diff options
Diffstat (limited to 'source3/passdb/pdb_ldap.c')
| -rw-r--r-- | source3/passdb/pdb_ldap.c | 6859 |
1 files changed, 6859 insertions, 0 deletions
diff --git a/source3/passdb/pdb_ldap.c b/source3/passdb/pdb_ldap.c new file mode 100644 index 0000000..93da28b --- /dev/null +++ b/source3/passdb/pdb_ldap.c @@ -0,0 +1,6859 @@ +/* + Unix SMB/CIFS implementation. + LDAP protocol helper functions for SAMBA + Copyright (C) Jean François Micouleau 1998 + Copyright (C) Gerald Carter 2001-2003 + Copyright (C) Shahms King 2001 + Copyright (C) Andrew Bartlett 2002-2003 + Copyright (C) Stefan (metze) Metzmacher 2002-2003 + Copyright (C) Simo Sorce 2006 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + +*/ + +/* TODO: +* persistent connections: if using NSS LDAP, many connections are made +* however, using only one within Samba would be nice +* +* Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK +* +* Other LDAP based login attributes: accountExpires, etc. +* (should be the domain of Samba proper, but the sam_password/struct samu +* structures don't have fields for some of these attributes) +* +* SSL is done, but can't get the certificate based authentication to work +* against on my test platform (Linux 2.4, OpenLDAP 2.x) +*/ + +/* NOTE: this will NOT work against an Active Directory server +* due to the fact that the two password fields cannot be retrieved +* from a server; recommend using security = domain in this situation +* and/or winbind +*/ + +#include "includes.h" +#include "passdb.h" +#include "../libcli/auth/libcli_auth.h" +#include "secrets.h" +#include "idmap_cache.h" +#include "../libcli/security/security.h" +#include "../lib/util/util_pw.h" +#include "lib/winbind_util.h" +#include "librpc/gen_ndr/idmap.h" +#include "lib/param/loadparm.h" +#include "lib/util_sid_passdb.h" +#include "lib/util/smb_strtox.h" +#include "lib/util/string_wrappers.h" +#include "source3/lib/substitute.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_PASSDB + +#include <lber.h> +#include <ldap.h> + + +#include "smbldap.h" +#include "passdb/pdb_ldap.h" +#include "passdb/pdb_nds.h" +#include "passdb/pdb_ldap_util.h" +#include "passdb/pdb_ldap_schema.h" + +/********************************************************************** + Simple helper function to make stuff better readable + **********************************************************************/ + +LDAP *priv2ld(struct ldapsam_privates *priv) +{ + return smbldap_get_ldap(priv->smbldap_state); +} + +/********************************************************************** + Get the attribute name given a user schame version. + **********************************************************************/ + +static const char* get_userattr_key2string( int schema_ver, int key ) +{ + switch ( schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + return get_attr_key2string( attrib_map_v30, key ); + + default: + DEBUG(0,("get_userattr_key2string: unknown schema version specified\n")); + break; + } + return NULL; +} + +/********************************************************************** + Return the list of attribute names given a user schema version. +**********************************************************************/ + +const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver ) +{ + switch ( schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + return get_attr_list( mem_ctx, attrib_map_v30 ); + default: + DEBUG(0,("get_userattr_list: unknown schema version specified!\n")); + break; + } + + return NULL; +} + +/************************************************************************** + Return the list of attribute names to delete given a user schema version. +**************************************************************************/ + +static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx, + int schema_ver ) +{ + switch ( schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + return get_attr_list( mem_ctx, + attrib_map_to_delete_v30 ); + default: + DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n")); + break; + } + + return NULL; +} + + +/******************************************************************* + Generate the LDAP search filter for the objectclass based on the + version of the schema we are using. +******************************************************************/ + +static const char* get_objclass_filter( int schema_ver ) +{ + fstring objclass_filter; + char *result; + + switch( schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT ); + break; + default: + DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n")); + objclass_filter[0] = '\0'; + break; + } + + result = talloc_strdup(talloc_tos(), objclass_filter); + SMB_ASSERT(result != NULL); + return result; +} + +/***************************************************************** + Scan a sequence number off OpenLDAP's syncrepl contextCSN +******************************************************************/ + +static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; + LDAPMessage *msg = NULL; + LDAPMessage *entry = NULL; + TALLOC_CTX *mem_ctx; + char **values = NULL; + int rc, num_result, num_values, rid; + char *suffix = NULL; + char *tok; + const char *p; + const char **attrs; + + /* Unfortunatly there is no proper way to detect syncrepl-support in + * smbldap_connect_system(). The syncrepl OIDs are submitted for publication + * but do not show up in the root-DSE yet. Neither we can query the + * subschema-context for the syncProviderSubentry or syncConsumerSubentry + * objectclass. Currently we require lp_ldap_suffix() to show up as + * namingContext. - Guenther + */ + + if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) { + return ntstatus; + } + + if (!seq_num) { + DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n")); + return ntstatus; + } + + if (!smbldap_has_naming_context( + smbldap_get_ldap(ldap_state->smbldap_state), + lp_ldap_suffix())) { + DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s " + "as top-level namingContext\n", lp_ldap_suffix())); + return ntstatus; + } + + mem_ctx = talloc_init("ldapsam_get_seq_num"); + + if (mem_ctx == NULL) + return NT_STATUS_NO_MEMORY; + + if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) { + ntstatus = NT_STATUS_NO_MEMORY; + goto done; + } + + /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */ + rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1); + if (rid > 0) { + + /* consumer syncreplCookie: */ + /* csn=20050126161620Z#0000001#00#00000 */ + attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie"); + attrs[1] = NULL; + suffix = talloc_asprintf(mem_ctx, + "cn=syncrepl%d,%s", rid, lp_ldap_suffix()); + if (!suffix) { + ntstatus = NT_STATUS_NO_MEMORY; + goto done; + } + } else { + + /* provider contextCSN */ + /* 20050126161620Z#000009#00#000000 */ + attrs[0] = talloc_strdup(mem_ctx, "contextCSN"); + attrs[1] = NULL; + suffix = talloc_asprintf(mem_ctx, + "cn=ldapsync,%s", lp_ldap_suffix()); + + if (!suffix) { + ntstatus = NT_STATUS_NO_MEMORY; + goto done; + } + } + + rc = smbldap_search(ldap_state->smbldap_state, suffix, + LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg); + + if (rc != LDAP_SUCCESS) { + goto done; + } + + num_result = ldap_count_entries( + smbldap_get_ldap(ldap_state->smbldap_state), msg); + if (num_result != 1) { + DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result)); + goto done; + } + + entry = ldap_first_entry( + smbldap_get_ldap(ldap_state->smbldap_state), msg); + if (entry == NULL) { + DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n")); + goto done; + } + + values = ldap_get_values( + smbldap_get_ldap(ldap_state->smbldap_state), entry, attrs[0]); + if (values == NULL) { + DEBUG(3,("ldapsam_get_seq_num: no values\n")); + goto done; + } + + num_values = ldap_count_values(values); + if (num_values == 0) { + DEBUG(3,("ldapsam_get_seq_num: not a single value\n")); + goto done; + } + + p = values[0]; + if (!next_token_talloc(mem_ctx, &p, &tok, "#")) { + DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n")); + goto done; + } + + p = tok; + if (!strncmp(p, "csn=", strlen("csn="))) + p += strlen("csn="); + + DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p)); + + *seq_num = generalized_to_unix_time(p); + + /* very basic sanity check */ + if (*seq_num <= 0) { + DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n", + (int)*seq_num)); + goto done; + } + + ntstatus = NT_STATUS_OK; + + done: + if (values != NULL) + ldap_value_free(values); + if (msg != NULL) + ldap_msgfree(msg); + if (mem_ctx) + talloc_destroy(mem_ctx); + + return ntstatus; +} + +/******************************************************************* + Run the search by name. +******************************************************************/ + +int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state, + const char *user, + LDAPMessage ** result, + const char **attr) +{ + char *filter = NULL; + char *escape_user = escape_ldap_string(talloc_tos(), user); + int ret = -1; + + if (!escape_user) { + return LDAP_NO_MEMORY; + } + + /* + * in the filter expression, replace %u with the real name + * so in ldap filter, %u MUST exist :-) + */ + filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)", + get_objclass_filter(ldap_state->schema_ver)); + if (!filter) { + TALLOC_FREE(escape_user); + return LDAP_NO_MEMORY; + } + /* + * have to use this here because $ is filtered out + * in string_sub + */ + + filter = talloc_all_string_sub(talloc_tos(), + filter, "%u", escape_user); + TALLOC_FREE(escape_user); + if (!filter) { + return LDAP_NO_MEMORY; + } + + ret = smbldap_search_suffix(ldap_state->smbldap_state, + filter, attr, result); + TALLOC_FREE(filter); + return ret; +} + +/******************************************************************* + Run the search by SID. +******************************************************************/ + +static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state, + const struct dom_sid *sid, LDAPMessage ** result, + const char **attr) +{ + char *filter = NULL; + int rc; + struct dom_sid_buf sid_string; + + filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)", + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_SID), + dom_sid_str_buf(sid, &sid_string), + get_objclass_filter(ldap_state->schema_ver)); + if (!filter) { + return LDAP_NO_MEMORY; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, + filter, attr, result); + + TALLOC_FREE(filter); + return rc; +} + +/******************************************************************* + Delete complete object or objectclass and attrs from + object found in search_result depending on lp_ldap_delete_dn +******************************************************************/ + +static int ldapsam_delete_entry(struct ldapsam_privates *priv, + TALLOC_CTX *mem_ctx, + LDAPMessage *entry, + const char *objectclass, + const char **attrs) +{ + LDAPMod **mods = NULL; + char *name; + const char *dn; + BerElement *ptr = NULL; + + dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry); + if (dn == NULL) { + return LDAP_NO_MEMORY; + } + + if (lp_ldap_delete_dn()) { + return smbldap_delete(priv->smbldap_state, dn); + } + + /* Ok, delete only the SAM attributes */ + + for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr); + name != NULL; + name = ldap_next_attribute(priv2ld(priv), entry, ptr)) { + const char **attrib; + + /* We are only allowed to delete the attributes that + really exist. */ + + for (attrib = attrs; *attrib != NULL; attrib++) { + if (strequal(*attrib, name)) { + DEBUG(10, ("ldapsam_delete_entry: deleting " + "attribute %s\n", name)); + smbldap_set_mod(&mods, LDAP_MOD_DELETE, name, + NULL); + } + } + ldap_memfree(name); + } + + if (ptr != NULL) { + ber_free(ptr, 0); + } + + smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass); + smbldap_talloc_autofree_ldapmod(mem_ctx, mods); + + return smbldap_modify(priv->smbldap_state, dn, mods); +} + +static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry) +{ + char *temp; + struct tm tm; + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_MOD_TIMESTAMP), + talloc_tos()); + if (!temp) { + return (time_t) 0; + } + + if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) { + DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n", + (char*)temp)); + TALLOC_FREE(temp); + return (time_t) 0; + } + TALLOC_FREE(temp); + tzset(); + return timegm(&tm); +} + +/********************************************************************** + Initialize struct samu from an LDAP query. + (Based on init_sam_from_buffer in pdb_tdb.c) +*********************************************************************/ + +static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state, + struct samu * sampass, + LDAPMessage * entry) +{ + time_t logon_time, + logoff_time, + kickoff_time, + pass_last_set_time, + pass_can_change_time, + ldap_entry_time, + bad_password_time; + char *username = NULL, + *domain = NULL, + *nt_username = NULL, + *fullname = NULL, + *homedir = NULL, + *dir_drive = NULL, + *logon_script = NULL, + *profile_path = NULL, + *acct_desc = NULL, + *workstations = NULL, + *munged_dial = NULL; + uint32_t user_rid; + uint8_t smblmpwd[LM_HASH_LEN], + smbntpwd[NT_HASH_LEN]; + bool use_samba_attrs = True; + uint16_t logon_divs; + uint16_t bad_password_count = 0, + logon_count = 0; + uint32_t hours_len; + uint8_t hours[MAX_HOURS_LEN]; + char *temp = NULL; + struct login_cache cache_entry; + uint32_t pwHistLen; + bool expand_explicit = lp_passdb_expand_explicit(); + bool ret = false; + TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap"); + + if (!ctx) { + return false; + } + if (sampass == NULL || ldap_state == NULL || entry == NULL) { + DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n")); + goto fn_exit; + } + + if (priv2ld(ldap_state) == NULL) { + DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->" + "ldap_struct is NULL!\n")); + goto fn_exit; + } + + if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state), + entry, + "uid", + ctx))) { + DEBUG(1, ("init_sam_from_ldap: No uid attribute found for " + "this user!\n")); + goto fn_exit; + } + + DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username)); + + nt_username = talloc_strdup(ctx, username); + if (!nt_username) { + goto fn_exit; + } + + domain = talloc_strdup(ctx, ldap_state->domain_name); + if (!domain) { + goto fn_exit; + } + + pdb_set_username(sampass, username, PDB_SET); + + pdb_set_domain(sampass, domain, PDB_DEFAULT); + pdb_set_nt_username(sampass, nt_username, PDB_SET); + + /* deal with different attributes between the schema first */ + + if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) { + if ((temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_SID), + ctx))!=NULL) { + pdb_set_user_sid_from_string(sampass, temp, PDB_SET); + } + } else { + if ((temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_RID), + ctx))!=NULL) { + user_rid = (uint32_t)atol(temp); + pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + } + } + + if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) { + DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n", + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_SID), + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_RID), + username)); + return False; + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_PWD_LAST_SET), + ctx); + if (temp) { + pass_last_set_time = (time_t) atol(temp); + pdb_set_pass_last_set_time(sampass, + pass_last_set_time, PDB_SET); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGON_TIME), + ctx); + if (temp) { + logon_time = (time_t) atol(temp); + pdb_set_logon_time(sampass, logon_time, PDB_SET); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGOFF_TIME), + ctx); + if (temp) { + logoff_time = (time_t) atol(temp); + pdb_set_logoff_time(sampass, logoff_time, PDB_SET); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_KICKOFF_TIME), + ctx); + if (temp) { + kickoff_time = (time_t) atol(temp); + pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_PWD_CAN_CHANGE), + ctx); + if (temp) { + pass_can_change_time = (time_t) atol(temp); + pdb_set_pass_can_change_time(sampass, + pass_can_change_time, PDB_SET); + } + + /* recommend that 'gecos' and 'displayName' should refer to the same + * attribute OID. userFullName depreciated, only used by Samba + * primary rules of LDAP: don't make a new attribute when one is already defined + * that fits your needs; using cn then displayName rather than 'userFullName' + */ + + fullname = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_DISPLAY_NAME), + ctx); + if (fullname) { + pdb_set_fullname(sampass, fullname, PDB_SET); + } else { + fullname = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_CN), + ctx); + if (fullname) { + pdb_set_fullname(sampass, fullname, PDB_SET); + } + } + + dir_drive = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_HOME_DRIVE), + ctx); + if (dir_drive) { + pdb_set_dir_drive(sampass, dir_drive, PDB_SET); + } else { + pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT ); + } + + homedir = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_HOME_PATH), + ctx); + if (homedir) { + if (expand_explicit) { + homedir = talloc_sub_basic(ctx, + username, + domain, + homedir); + if (!homedir) { + goto fn_exit; + } + } + pdb_set_homedir(sampass, homedir, PDB_SET); + } else { + pdb_set_homedir(sampass, + talloc_sub_basic(ctx, username, domain, + lp_logon_home()), + PDB_DEFAULT); + } + + logon_script = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGON_SCRIPT), + ctx); + if (logon_script) { + if (expand_explicit) { + logon_script = talloc_sub_basic(ctx, + username, + domain, + logon_script); + if (!logon_script) { + goto fn_exit; + } + } + pdb_set_logon_script(sampass, logon_script, PDB_SET); + } else { + pdb_set_logon_script(sampass, + talloc_sub_basic(ctx, username, domain, + lp_logon_script()), + PDB_DEFAULT ); + } + + profile_path = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_PROFILE_PATH), + ctx); + if (profile_path) { + if (expand_explicit) { + profile_path = talloc_sub_basic(ctx, + username, + domain, + profile_path); + if (!profile_path) { + goto fn_exit; + } + } + pdb_set_profile_path(sampass, profile_path, PDB_SET); + } else { + pdb_set_profile_path(sampass, + talloc_sub_basic(ctx, username, domain, + lp_logon_path()), + PDB_DEFAULT ); + } + + acct_desc = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_DESC), + ctx); + if (acct_desc) { + pdb_set_acct_desc(sampass, acct_desc, PDB_SET); + } + + workstations = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_WKS), + ctx); + if (workstations) { + pdb_set_workstations(sampass, workstations, PDB_SET); + } + + munged_dial = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_MUNGED_DIAL), + ctx); + if (munged_dial) { + pdb_set_munged_dial(sampass, munged_dial, PDB_SET); + } + + /* FIXME: hours stuff should be cleaner */ + + logon_divs = 168; + hours_len = 21; + memset(hours, 0xff, hours_len); + + if (ldap_state->is_nds_ldap) { + char *user_dn; + size_t pwd_len; + char clear_text_pw[512]; + + /* Make call to Novell eDirectory ldap extension to get clear text password. + NOTE: This will only work if we have an SSL connection to eDirectory. */ + user_dn = smbldap_talloc_dn( + ctx, smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (user_dn != NULL) { + DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn)); + + pwd_len = sizeof(clear_text_pw); + if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) { + nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd); + if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) { + TALLOC_FREE(user_dn); + return False; + } + ZERO_STRUCT(smblmpwd); + if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) { + TALLOC_FREE(user_dn); + return False; + } + ZERO_STRUCT(smbntpwd); + use_samba_attrs = False; + } + + TALLOC_FREE(user_dn); + + } else { + DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username)); + } + } + + if (use_samba_attrs) { + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LMPW), + ctx); + if (temp) { + pdb_gethexpwd(temp, smblmpwd); + memset((char *)temp, '\0', strlen(temp)+1); + if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) { + goto fn_exit; + } + ZERO_STRUCT(smblmpwd); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_NTPW), + ctx); + if (temp) { + pdb_gethexpwd(temp, smbntpwd); + memset((char *)temp, '\0', strlen(temp)+1); + if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) { + goto fn_exit; + } + ZERO_STRUCT(smbntpwd); + } + } + + pwHistLen = 0; + + pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen); + if (pwHistLen > 0){ + uint8_t *pwhist = NULL; + int i; + char *history_string = talloc_array(ctx, char, + MAX_PW_HISTORY_LEN*64); + + if (!history_string) { + goto fn_exit; + } + + pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN); + + pwhist = talloc_zero_array(ctx, uint8_t, + pwHistLen * PW_HISTORY_ENTRY_LEN); + if (pwhist == NULL) { + DEBUG(0, ("init_sam_from_ldap: talloc failed!\n")); + goto fn_exit; + } + + if (smbldap_get_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_PWD_HISTORY), + history_string, + MAX_PW_HISTORY_LEN*64)) { + bool hex_failed = false; + for (i = 0; i < pwHistLen; i++){ + /* Get the 16 byte salt. */ + if (!pdb_gethexpwd(&history_string[i*64], + &pwhist[i*PW_HISTORY_ENTRY_LEN])) { + hex_failed = true; + break; + } + /* Get the 16 byte MD5 hash of salt+passwd. */ + if (!pdb_gethexpwd(&history_string[(i*64)+32], + &pwhist[(i*PW_HISTORY_ENTRY_LEN)+ + PW_HISTORY_SALT_LEN])) { + hex_failed = True; + break; + } + } + if (hex_failed) { + DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n", + username)); + memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN); + } + } + if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){ + goto fn_exit; + } + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_ACB_INFO), + ctx); + if (temp) { + uint32_t acct_ctrl = 0; + acct_ctrl = pdb_decode_acct_ctrl(temp); + + if (acct_ctrl == 0) { + acct_ctrl |= ACB_NORMAL; + } + + pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET); + } + + pdb_set_hours_len(sampass, hours_len, PDB_SET); + pdb_set_logon_divs(sampass, logon_divs, PDB_SET); + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_BAD_PASSWORD_COUNT), + ctx); + if (temp) { + bad_password_count = (uint32_t) atol(temp); + pdb_set_bad_password_count(sampass, + bad_password_count, PDB_SET); + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_BAD_PASSWORD_TIME), + ctx); + if (temp) { + bad_password_time = (time_t) atol(temp); + pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET); + } + + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGON_COUNT), + ctx); + if (temp) { + logon_count = (uint32_t) atol(temp); + pdb_set_logon_count(sampass, logon_count, PDB_SET); + } + + /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */ + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGON_HOURS), + ctx); + if (temp) { + pdb_gethexhours(temp, hours); + memset((char *)temp, '\0', strlen(temp) +1); + pdb_set_hours(sampass, hours, hours_len, PDB_SET); + ZERO_STRUCT(hours); + } + + if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { + struct passwd unix_pw; + bool have_uid = false; + bool have_gid = false; + struct dom_sid mapped_gsid; + const struct dom_sid *primary_gsid; + struct unixid id; + int error = 0; + + ZERO_STRUCT(unix_pw); + + unix_pw.pw_name = username; + unix_pw.pw_passwd = discard_const_p(char, "x"); + + temp = smbldap_talloc_single_attribute( + priv2ld(ldap_state), + entry, + "uidNumber", + ctx); + if (temp) { + /* We've got a uid, feed the cache */ + unix_pw.pw_uid = smb_strtoul(temp, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + DBG_ERR("Failed to convert UID\n"); + goto fn_exit; + } + have_uid = true; + } + temp = smbldap_talloc_single_attribute( + priv2ld(ldap_state), + entry, + "gidNumber", + ctx); + if (temp) { + /* We've got a uid, feed the cache */ + unix_pw.pw_gid = smb_strtoul(temp, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + DBG_ERR("Failed to convert GID\n"); + goto fn_exit; + } + have_gid = true; + } + unix_pw.pw_gecos = smbldap_talloc_single_attribute( + priv2ld(ldap_state), + entry, + "gecos", + ctx); + if (unix_pw.pw_gecos == NULL) { + unix_pw.pw_gecos = fullname; + } + unix_pw.pw_dir = smbldap_talloc_single_attribute( + priv2ld(ldap_state), + entry, + "homeDirectory", + ctx); + if (unix_pw.pw_dir == NULL) { + unix_pw.pw_dir = discard_const_p(char, ""); + } + unix_pw.pw_shell = smbldap_talloc_single_attribute( + priv2ld(ldap_state), + entry, + "loginShell", + ctx); + if (unix_pw.pw_shell == NULL) { + unix_pw.pw_shell = discard_const_p(char, ""); + } + + if (have_uid && have_gid) { + sampass->unix_pw = tcopy_passwd(sampass, &unix_pw); + } else { + sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name); + } + + if (sampass->unix_pw == NULL) { + DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n", + pdb_get_username(sampass))); + goto fn_exit; + } + + id.id = sampass->unix_pw->pw_uid; + id.type = ID_TYPE_UID; + + idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id); + + gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid); + primary_gsid = pdb_get_group_sid(sampass); + if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) { + id.id = sampass->unix_pw->pw_gid; + id.type = ID_TYPE_GID; + + idmap_cache_set_sid2unixid(primary_gsid, &id); + } + } + + /* check the timestamp of the cache vs ldap entry */ + if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state, + entry))) { + ret = true; + goto fn_exit; + } + + /* see if we have newer updates */ + if (!login_cache_read(sampass, &cache_entry)) { + DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n", + (unsigned int)pdb_get_bad_password_count(sampass), + (unsigned int)pdb_get_bad_password_time(sampass))); + ret = true; + goto fn_exit; + } + + DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n", + (unsigned int)ldap_entry_time, + (unsigned int)cache_entry.entry_timestamp, + (unsigned int)cache_entry.bad_password_time)); + + if (ldap_entry_time > cache_entry.entry_timestamp) { + /* cache is older than directory , so + we need to delete the entry but allow the + fields to be written out */ + login_cache_delentry(sampass); + } else { + /* read cache in */ + pdb_set_acct_ctrl(sampass, + pdb_get_acct_ctrl(sampass) | + (cache_entry.acct_ctrl & ACB_AUTOLOCK), + PDB_SET); + pdb_set_bad_password_count(sampass, + cache_entry.bad_password_count, + PDB_SET); + pdb_set_bad_password_time(sampass, + cache_entry.bad_password_time, + PDB_SET); + } + + ret = true; + + fn_exit: + + TALLOC_FREE(ctx); + return ret; +} + +/********************************************************************** + Initialize the ldap db from a struct samu. Called on update. + (Based on init_buffer_from_sam in pdb_tdb.c) +*********************************************************************/ + +static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state, + LDAPMessage *existing, + LDAPMod *** mods, struct samu * sampass, + bool (*need_update)(const struct samu *, + enum pdb_elements)) +{ + char *temp = NULL; + + if (mods == NULL || sampass == NULL) { + DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n")); + return False; + } + + *mods = NULL; + + /* + * took out adding "objectclass: sambaAccount" + * do this on a per-mod basis + */ + if (need_update(sampass, PDB_USERNAME)) { + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + "uid", pdb_get_username(sampass)); + if (ldap_state->is_nds_ldap) { + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + "cn", pdb_get_username(sampass)); + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + "sn", pdb_get_username(sampass)); + } + } + + DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass))); + + /* only update the RID if we actually need to */ + if (need_update(sampass, PDB_USERSID)) { + struct dom_sid_buf sid_str; + const struct dom_sid *user_sid = pdb_get_user_sid(sampass); + + switch ( ldap_state->schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), + dom_sid_str_buf(user_sid, &sid_str)); + break; + + default: + DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n")); + break; + } + } + + /* we don't need to store the primary group RID - so leaving it + 'free' to hang off the unix primary group makes life easier */ + + if (need_update(sampass, PDB_GROUPSID)) { + struct dom_sid_buf sid_str; + const struct dom_sid *group_sid = pdb_get_group_sid(sampass); + + switch ( ldap_state->schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_PRIMARY_GROUP_SID), + dom_sid_str_buf(group_sid, &sid_str)); + break; + + default: + DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n")); + break; + } + + } + + /* displayName, cn, and gecos should all be the same + * most easily accomplished by giving them the same OID + * gecos isn't set here b/c it should be handled by the + * add-user script + * We change displayName only and fall back to cn if + * it does not exist. + */ + + if (need_update(sampass, PDB_FULLNAME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), + pdb_get_fullname(sampass)); + + if (need_update(sampass, PDB_ACCTDESC)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), + pdb_get_acct_desc(sampass)); + + if (need_update(sampass, PDB_WORKSTATIONS)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), + pdb_get_workstations(sampass)); + + if (need_update(sampass, PDB_MUNGEDDIAL)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), + pdb_get_munged_dial(sampass)); + + if (need_update(sampass, PDB_SMBHOME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), + pdb_get_homedir(sampass)); + + if (need_update(sampass, PDB_DRIVE)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), + pdb_get_dir_drive(sampass)); + + if (need_update(sampass, PDB_LOGONSCRIPT)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), + pdb_get_logon_script(sampass)); + + if (need_update(sampass, PDB_PROFILE)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), + pdb_get_profile_path(sampass)); + + if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) { + return false; + } + if (need_update(sampass, PDB_LOGONTIME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp); + SAFE_FREE(temp); + + if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) { + return false; + } + if (need_update(sampass, PDB_LOGOFFTIME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp); + SAFE_FREE(temp); + + if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) { + return false; + } + if (need_update(sampass, PDB_KICKOFFTIME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp); + SAFE_FREE(temp); + + if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) { + return false; + } + if (need_update(sampass, PDB_CANCHANGETIME)) + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp); + SAFE_FREE(temp); + + if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) + || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) { + + if (need_update(sampass, PDB_LMPASSWD)) { + const uchar *lm_pw = pdb_get_lanman_passwd(sampass); + if (lm_pw) { + char pwstr[34]; + pdb_sethexpwd(pwstr, lm_pw, + pdb_get_acct_ctrl(sampass)); + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), + pwstr); + } else { + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), + NULL); + } + } + if (need_update(sampass, PDB_NTPASSWD)) { + const uchar *nt_pw = pdb_get_nt_passwd(sampass); + if (nt_pw) { + char pwstr[34]; + pdb_sethexpwd(pwstr, nt_pw, + pdb_get_acct_ctrl(sampass)); + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), + pwstr); + } else { + smbldap_make_mod( + smbldap_get_ldap( + ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), + NULL); + } + } + + if (need_update(sampass, PDB_PWHISTORY)) { + char *pwstr = NULL; + uint32_t pwHistLen = 0; + pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen); + + pwstr = SMB_MALLOC_ARRAY(char, 1024); + if (!pwstr) { + return false; + } + if (pwHistLen == 0) { + /* Remove any password history from the LDAP store. */ + memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */ + pwstr[64] = '\0'; + } else { + int i; + uint32_t currHistLen = 0; + const uint8_t *pwhist = pdb_get_pw_history(sampass, &currHistLen); + if (pwhist != NULL) { + /* We can only store (1024-1/64 password history entries. */ + pwHistLen = MIN(pwHistLen, ((1024-1)/64)); + for (i=0; i< pwHistLen && i < currHistLen; i++) { + /* Store the salt. */ + pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0); + /* Followed by the md5 hash of salt + md4 hash */ + pdb_sethexpwd(&pwstr[(i*64)+32], + &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0); + DEBUG(100, ("pwstr=%s\n", pwstr)); + } + } + } + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), + pwstr); + SAFE_FREE(pwstr); + } + + if (need_update(sampass, PDB_PASSLASTSET)) { + if (asprintf(&temp, "%li", + (long int)pdb_get_pass_last_set_time(sampass)) < 0) { + return false; + } + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), + temp); + SAFE_FREE(temp); + } + } + + if (need_update(sampass, PDB_HOURS)) { + const uint8_t *hours = pdb_get_hours(sampass); + if (hours) { + char hourstr[44]; + pdb_sethexhours(hourstr, hours); + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, + mods, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_LOGON_HOURS), + hourstr); + } + } + + if (need_update(sampass, PDB_ACCTCTRL)) + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), + pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN)); + + /* password lockout cache: + - If we are now autolocking or clearing, we write to ldap + - If we are clearing, we delete the cache entry + - If the count is > 0, we update the cache + + This even means when autolocking, we cache, just in case the + update doesn't work, and we have to cache the autolock flag */ + + if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* && + need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ { + uint16_t badcount = pdb_get_bad_password_count(sampass); + time_t badtime = pdb_get_bad_password_time(sampass); + uint32_t pol; + pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol); + + DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n", + (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime)); + + if ((badcount >= pol) || (badcount == 0)) { + DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n", + (unsigned int)badcount, (unsigned int)badtime)); + if (asprintf(&temp, "%li", (long)badcount) < 0) { + return false; + } + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string( + ldap_state->schema_ver, + LDAP_ATTR_BAD_PASSWORD_COUNT), + temp); + SAFE_FREE(temp); + + if (asprintf(&temp, "%li", (long int)badtime) < 0) { + return false; + } + smbldap_make_mod( + smbldap_get_ldap(ldap_state->smbldap_state), + existing, mods, + get_userattr_key2string( + ldap_state->schema_ver, + LDAP_ATTR_BAD_PASSWORD_TIME), + temp); + SAFE_FREE(temp); + } + if (badcount == 0) { + DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass))); + login_cache_delentry(sampass); + } else { + struct login_cache cache_entry; + + cache_entry.entry_timestamp = time(NULL); + cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass); + cache_entry.bad_password_count = badcount; + cache_entry.bad_password_time = badtime; + + DEBUG(7, ("Updating bad password count and time in login cache\n")); + login_cache_write(sampass, &cache_entry); + } + } + + return True; +} + +/********************************************************************** + End enumeration of the LDAP password list. +*********************************************************************/ + +static void ldapsam_endsampwent(struct pdb_methods *my_methods) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + if (ldap_state->result) { + ldap_msgfree(ldap_state->result); + ldap_state->result = NULL; + } +} + +static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list, + const char *new_attr) +{ + int i; + + if (new_attr == NULL) { + return; + } + + for (i=0; (*attr_list)[i] != NULL; i++) { + ; + } + + (*attr_list) = talloc_realloc(mem_ctx, (*attr_list), + const char *, i+2); + SMB_ASSERT((*attr_list) != NULL); + (*attr_list)[i] = talloc_strdup((*attr_list), new_attr); + (*attr_list)[i+1] = NULL; +} + +static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx, + const char ***attr_list) +{ + append_attr(mem_ctx, attr_list, "uidNumber"); + append_attr(mem_ctx, attr_list, "gidNumber"); + append_attr(mem_ctx, attr_list, "homeDirectory"); + append_attr(mem_ctx, attr_list, "loginShell"); + append_attr(mem_ctx, attr_list, "gecos"); +} + +/********************************************************************** +Get struct samu entry from LDAP by username. +*********************************************************************/ + +static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname) +{ + NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + const char ** attr_list; + int rc; + + attr_list = get_userattr_list( user, ldap_state->schema_ver ); + append_attr(user, &attr_list, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_MOD_TIMESTAMP)); + ldapsam_add_unix_attributes(user, &attr_list); + rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, + attr_list); + TALLOC_FREE( attr_list ); + + if ( rc != LDAP_SUCCESS ) + return NT_STATUS_NO_SUCH_USER; + + count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (count < 1) { + DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } else if (count > 1) { + DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + if (entry) { + if (!init_sam_from_ldap(ldap_state, user, entry)) { + DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } + pdb_set_backend_private_data(user, result, NULL, + my_methods, PDB_CHANGED); + smbldap_talloc_autofree_ldapmsg(user, result); + ret = NT_STATUS_OK; + } else { + ldap_msgfree(result); + } + return ret; +} + +static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state, + const struct dom_sid *sid, LDAPMessage **result) +{ + int rc = -1; + const char ** attr_list; + + switch ( ldap_state->schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: { + TALLOC_CTX *tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + return LDAP_NO_MEMORY; + } + + attr_list = get_userattr_list(tmp_ctx, + ldap_state->schema_ver); + append_attr(tmp_ctx, &attr_list, + get_userattr_key2string( + ldap_state->schema_ver, + LDAP_ATTR_MOD_TIMESTAMP)); + ldapsam_add_unix_attributes(tmp_ctx, &attr_list); + rc = ldapsam_search_suffix_by_sid(ldap_state, sid, + result, attr_list); + TALLOC_FREE(tmp_ctx); + + if ( rc != LDAP_SUCCESS ) + return rc; + break; + } + + default: + DEBUG(0,("Invalid schema version specified\n")); + break; + } + return rc; +} + +/********************************************************************** + Get struct samu entry from LDAP by SID. +*********************************************************************/ + +static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + int rc; + + rc = ldapsam_get_ldap_user_by_sid(ldap_state, + sid, &result); + if (rc != LDAP_SUCCESS) + return NT_STATUS_NO_SUCH_USER; + + count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (count < 1) { + struct dom_sid_buf buf; + DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] " + "count=%d\n", + dom_sid_str_buf(sid, &buf), + count)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } else if (count > 1) { + struct dom_sid_buf buf; + DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID " + "[%s]. Failing. count=%d\n", + dom_sid_str_buf(sid, &buf), + count)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + if (!entry) { + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } + + if (!init_sam_from_ldap(ldap_state, user, entry)) { + DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n")); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_USER; + } + + pdb_set_backend_private_data(user, result, NULL, + my_methods, PDB_CHANGED); + smbldap_talloc_autofree_ldapmsg(user, result); + return NT_STATUS_OK; +} + +/******************************************************************** + Do the actual modification - also change a plaintext passord if + it it set. +**********************************************************************/ + +static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods, + struct samu *newpwd, char *dn, + LDAPMod **mods, int ldap_op, + bool (*need_update)(const struct samu *, enum pdb_elements)) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + int rc; + + if (!newpwd || !dn) { + return NT_STATUS_INVALID_PARAMETER; + } + + if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) && + (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) && + need_update(newpwd, PDB_PLAINTEXT_PW) && + (pdb_get_plaintext_passwd(newpwd)!=NULL)) { + BerElement *ber; + struct berval *bv; + char *retoid = NULL; + struct berval *retdata = NULL; + char *utf8_password; + char *utf8_dn; + size_t converted_size; + int ret; + + if (!ldap_state->is_nds_ldap) { + + if (!smbldap_has_extension( + smbldap_get_ldap( + ldap_state->smbldap_state), + LDAP_EXOP_MODIFY_PASSWD)) { + DEBUG(2, ("ldap password change requested, but LDAP " + "server does not support it -- ignoring\n")); + return NT_STATUS_OK; + } + } + + if (!push_utf8_talloc(talloc_tos(), &utf8_password, + pdb_get_plaintext_passwd(newpwd), + &converted_size)) + { + return NT_STATUS_NO_MEMORY; + } + + if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) { + TALLOC_FREE(utf8_password); + return NT_STATUS_NO_MEMORY; + } + + if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) { + DEBUG(0,("ber_alloc_t returns NULL\n")); + TALLOC_FREE(utf8_password); + TALLOC_FREE(utf8_dn); + return NT_STATUS_UNSUCCESSFUL; + } + + if ((ber_printf (ber, "{") < 0) || + (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, + utf8_dn) < 0)) { + DEBUG(0,("ldapsam_modify_entry: ber_printf returns a " + "value <0\n")); + ber_free(ber,1); + TALLOC_FREE(utf8_dn); + TALLOC_FREE(utf8_password); + return NT_STATUS_UNSUCCESSFUL; + } + + if ((utf8_password != NULL) && (*utf8_password != '\0')) { + ret = ber_printf(ber, "ts}", + LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, + utf8_password); + } else { + ret = ber_printf(ber, "}"); + } + + if (ret < 0) { + DEBUG(0,("ldapsam_modify_entry: ber_printf returns a " + "value <0\n")); + ber_free(ber,1); + TALLOC_FREE(utf8_dn); + TALLOC_FREE(utf8_password); + return NT_STATUS_UNSUCCESSFUL; + } + + if ((rc = ber_flatten (ber, &bv))<0) { + DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n")); + ber_free(ber,1); + TALLOC_FREE(utf8_dn); + TALLOC_FREE(utf8_password); + return NT_STATUS_UNSUCCESSFUL; + } + + TALLOC_FREE(utf8_dn); + TALLOC_FREE(utf8_password); + ber_free(ber, 1); + + if (!ldap_state->is_nds_ldap) { + rc = smbldap_extended_operation(ldap_state->smbldap_state, + LDAP_EXOP_MODIFY_PASSWD, + bv, NULL, NULL, &retoid, + &retdata); + } else { + rc = pdb_nds_set_password(ldap_state->smbldap_state, dn, + pdb_get_plaintext_passwd(newpwd)); + } + if (rc != LDAP_SUCCESS) { + char *ld_error = NULL; + + if (rc == LDAP_OBJECT_CLASS_VIOLATION) { + DEBUG(3, ("Could not set userPassword " + "attribute due to an objectClass " + "violation -- ignoring\n")); + ber_bvfree(bv); + return NT_STATUS_OK; + } + + ldap_get_option( + smbldap_get_ldap(ldap_state->smbldap_state), + LDAP_OPT_ERROR_STRING, + &ld_error); + DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n", + pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown")); + SAFE_FREE(ld_error); + ber_bvfree(bv); +#if defined(LDAP_CONSTRAINT_VIOLATION) + if (rc == LDAP_CONSTRAINT_VIOLATION) + return NT_STATUS_PASSWORD_RESTRICTION; +#endif + return NT_STATUS_UNSUCCESSFUL; + } else { + DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd))); +#ifdef DEBUG_PASSWORD + DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd))); +#endif + if (retdata) + ber_bvfree(retdata); + if (retoid) + ldap_memfree(retoid); + } + ber_bvfree(bv); + } + + if (!mods) { + DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n")); + /* may be password change below however */ + } else { + switch(ldap_op) { + case LDAP_MOD_ADD: + if (ldap_state->is_nds_ldap) { + smbldap_set_mod(&mods, LDAP_MOD_ADD, + "objectclass", + "inetOrgPerson"); + } else { + smbldap_set_mod(&mods, LDAP_MOD_ADD, + "objectclass", + LDAP_OBJ_ACCOUNT); + } + rc = smbldap_add(ldap_state->smbldap_state, + dn, mods); + break; + case LDAP_MOD_REPLACE: + rc = smbldap_modify(ldap_state->smbldap_state, + dn ,mods); + break; + default: + DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n", + ldap_op)); + return NT_STATUS_INVALID_PARAMETER; + } + + if (rc!=LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + } + + return NT_STATUS_OK; +} + +/********************************************************************** + Delete entry from LDAP for username. +*********************************************************************/ + +static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, + struct samu * sam_acct) +{ + struct ldapsam_privates *priv = + (struct ldapsam_privates *)my_methods->private_data; + const char *sname; + int rc; + LDAPMessage *msg, *entry; + NTSTATUS result = NT_STATUS_NO_MEMORY; + const char **attr_list; + TALLOC_CTX *mem_ctx; + + if (!sam_acct) { + DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + sname = pdb_get_username(sam_acct); + + DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from " + "LDAP.\n", sname)); + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + goto done; + } + + attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver ); + if (attr_list == NULL) { + goto done; + } + + rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list); + + if ((rc != LDAP_SUCCESS) || + (ldap_count_entries(priv2ld(priv), msg) != 1) || + ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) { + DEBUG(5, ("Could not find user %s\n", sname)); + result = NT_STATUS_NO_SUCH_USER; + goto done; + } + + rc = ldapsam_delete_entry( + priv, mem_ctx, entry, + priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ? + LDAP_OBJ_SAMBASAMACCOUNT : 0, + attr_list); + + result = (rc == LDAP_SUCCESS) ? + NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; + + done: + TALLOC_FREE(mem_ctx); + return result; +} + +/********************************************************************** + Update struct samu. +*********************************************************************/ + +static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd) +{ + NTSTATUS ret; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + int rc = 0; + char *dn; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + LDAPMod **mods = NULL; + const char **attr_list; + + result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods); + if (!result) { + attr_list = get_userattr_list(NULL, ldap_state->schema_ver); + if (pdb_get_username(newpwd) == NULL) { + return NT_STATUS_INVALID_PARAMETER; + } + rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list ); + TALLOC_FREE( attr_list ); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + pdb_set_backend_private_data(newpwd, result, NULL, + my_methods, PDB_CHANGED); + smbldap_talloc_autofree_ldapmsg(newpwd, result); + } + + if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result) == 0) { + DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + dn = smbldap_talloc_dn(talloc_tos(), + smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (!dn) { + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn)); + + if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd, + pdb_element_is_changed)) { + DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n")); + TALLOC_FREE(dn); + if (mods != NULL) + ldap_mods_free(mods,True); + return NT_STATUS_UNSUCCESSFUL; + } + + if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY) + && (mods == NULL)) { + DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n", + pdb_get_username(newpwd))); + TALLOC_FREE(dn); + return NT_STATUS_OK; + } + + ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed); + + if (mods != NULL) { + ldap_mods_free(mods,True); + } + + TALLOC_FREE(dn); + + /* + * We need to set the backend private data to NULL here. For example + * setuserinfo level 25 does a pdb_update_sam_account twice on the + * same one, and with the explicit delete / add logic for attribute + * values the second time we would use the wrong "old" value which + * does not exist in LDAP anymore. Thus the LDAP server would refuse + * the update. + * The existing LDAPMessage is still being auto-freed by the + * destructor. + */ + pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods, + PDB_CHANGED); + + if (!NT_STATUS_IS_OK(ret)) { + return ret; + } + + DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n", + pdb_get_username(newpwd))); + return NT_STATUS_OK; +} + +/*************************************************************************** + Renames a struct samu + - The "rename user script" has full responsibility for changing everything +***************************************************************************/ + +static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, + uint32_t group_rid, + uint32_t member_rid); + +static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods, + TALLOC_CTX *mem_ctx, + struct samu *user, + struct dom_sid **pp_sids, + gid_t **pp_gids, + uint32_t *p_num_groups); + +static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods, + struct samu *old_acct, + const char *newname) +{ + const struct loadparm_substitution *lp_sub = + loadparm_s3_global_substitution(); + const char *oldname; + int rc; + char *rename_script = NULL; + fstring oldname_lower, newname_lower; + + if (!old_acct) { + DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n")); + return NT_STATUS_INVALID_PARAMETER; + } + if (!newname) { + DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n")); + return NT_STATUS_INVALID_PARAMETER; + } + + oldname = pdb_get_username(old_acct); + + /* rename the posix user */ + rename_script = lp_rename_user_script(talloc_tos(), lp_sub); + if (rename_script == NULL) { + return NT_STATUS_NO_MEMORY; + } + + if (!(*rename_script)) { + TALLOC_FREE(rename_script); + return NT_STATUS_ACCESS_DENIED; + } + + DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n", + oldname, newname)); + + /* We have to allow the account name to end with a '$'. + Also, follow the semantics in _samr_create_user() and lower case the + posix name but preserve the case in passdb */ + + fstrcpy( oldname_lower, oldname ); + if (!strlower_m( oldname_lower )) { + return NT_STATUS_INVALID_PARAMETER; + } + fstrcpy( newname_lower, newname ); + if (!strlower_m( newname_lower )) { + return NT_STATUS_INVALID_PARAMETER; + } + + rename_script = realloc_string_sub2(rename_script, + "%unew", + newname_lower, + true, + true); + if (!rename_script) { + return NT_STATUS_NO_MEMORY; + } + rename_script = realloc_string_sub2(rename_script, + "%uold", + oldname_lower, + true, + true); + rc = smbrun(rename_script, NULL, NULL); + + DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n", + rename_script, rc)); + + TALLOC_FREE(rename_script); + + if (rc == 0) { + smb_nscd_flush_user_cache(); + } + + if (rc) + return NT_STATUS_UNSUCCESSFUL; + + return NT_STATUS_OK; +} + +/********************************************************************** + Add struct samu to LDAP. +*********************************************************************/ + +static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + int rc; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + LDAPMod **mods = NULL; + int ldap_op = LDAP_MOD_REPLACE; + uint32_t num_result; + const char **attr_list; + char *escape_user = NULL; + const char *username = pdb_get_username(newpwd); + const struct dom_sid *sid = pdb_get_user_sid(newpwd); + char *filter = NULL; + char *dn = NULL; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account"); + + if (!ctx) { + return NT_STATUS_NO_MEMORY; + } + + if (!username || !*username) { + DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n")); + status = NT_STATUS_INVALID_PARAMETER; + goto fn_exit; + } + + /* free this list after the second search or in case we exit on failure */ + attr_list = get_userattr_list(ctx, ldap_state->schema_ver); + + rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list); + + if (rc != LDAP_SUCCESS) { + goto fn_exit; + } + + if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result) != 0) { + DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n", + username)); + goto fn_exit; + } + ldap_msgfree(result); + result = NULL; + + if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) { + rc = ldapsam_get_ldap_user_by_sid(ldap_state, + sid, &result); + if (rc == LDAP_SUCCESS) { + if (ldap_count_entries( + smbldap_get_ldap( + ldap_state->smbldap_state), + result) != 0) { + struct dom_sid_buf buf; + DEBUG(0,("ldapsam_add_sam_account: SID '%s' " + "already in the base, with samba " + "attributes\n", + dom_sid_str_buf(sid, &buf))); + goto fn_exit; + } + ldap_msgfree(result); + result = NULL; + } + } + + /* does the entry already exist but without a samba attributes? + we need to return the samba attributes here */ + + escape_user = escape_ldap_string(talloc_tos(), username); + filter = talloc_strdup(attr_list, "(uid=%u)"); + if (!filter) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user); + TALLOC_FREE(escape_user); + if (!filter) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, + filter, attr_list, &result); + if ( rc != LDAP_SUCCESS ) { + goto fn_exit; + } + + num_result = ldap_count_entries( + smbldap_get_ldap(ldap_state->smbldap_state), result); + + if (num_result > 1) { + DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n")); + goto fn_exit; + } + + /* Check if we need to update an existing entry */ + if (num_result == 1) { + DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n")); + ldap_op = LDAP_MOD_REPLACE; + entry = ldap_first_entry( + smbldap_get_ldap(ldap_state->smbldap_state), result); + dn = smbldap_talloc_dn( + ctx, smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (!dn) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + + } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) { + + struct dom_sid_buf buf; + + /* There might be a SID for this account already - say an idmap entry */ + + filter = talloc_asprintf(ctx, + "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))", + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_SID), + dom_sid_str_buf(sid, &buf), + LDAP_OBJ_IDMAP_ENTRY, + LDAP_OBJ_SID_ENTRY); + if (!filter) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + + /* free old result before doing a new search */ + if (result != NULL) { + ldap_msgfree(result); + result = NULL; + } + rc = smbldap_search_suffix(ldap_state->smbldap_state, + filter, attr_list, &result); + + if ( rc != LDAP_SUCCESS ) { + goto fn_exit; + } + + num_result = ldap_count_entries( + smbldap_get_ldap(ldap_state->smbldap_state), result); + + if (num_result > 1) { + DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n")); + goto fn_exit; + } + + /* Check if we need to update an existing entry */ + if (num_result == 1) { + + DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n")); + ldap_op = LDAP_MOD_REPLACE; + entry = ldap_first_entry ( + smbldap_get_ldap(ldap_state->smbldap_state), + result); + dn = smbldap_talloc_dn ( + ctx, + smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (!dn) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + } + } + + if (num_result == 0) { + char *escape_username; + /* Check if we need to add an entry */ + DEBUG(3,("ldapsam_add_sam_account: Adding new user\n")); + ldap_op = LDAP_MOD_ADD; + + escape_username = escape_rdn_val_string_alloc(username); + if (!escape_username) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + + if (username[strlen(username)-1] == '$') { + dn = talloc_asprintf(ctx, + "uid=%s,%s", + escape_username, + lp_ldap_machine_suffix(talloc_tos())); + } else { + dn = talloc_asprintf(ctx, + "uid=%s,%s", + escape_username, + lp_ldap_user_suffix(talloc_tos())); + } + + SAFE_FREE(escape_username); + if (!dn) { + status = NT_STATUS_NO_MEMORY; + goto fn_exit; + } + } + + if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd, + pdb_element_is_set_or_changed)) { + DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n")); + if (mods != NULL) { + ldap_mods_free(mods, true); + } + goto fn_exit; + } + + if (mods == NULL) { + DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd))); + goto fn_exit; + } + switch ( ldap_state->schema_ver ) { + case SCHEMAVER_SAMBASAMACCOUNT: + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT); + break; + default: + DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n")); + break; + } + + status = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n", + pdb_get_username(newpwd),dn)); + ldap_mods_free(mods, true); + goto fn_exit; + } + + DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd))); + ldap_mods_free(mods, true); + + status = NT_STATUS_OK; + + fn_exit: + + TALLOC_FREE(ctx); + if (result) { + ldap_msgfree(result); + } + return status; +} + +/********************************************************************** + *********************************************************************/ + +static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state, + const char *filter, + LDAPMessage ** result) +{ + int scope = LDAP_SCOPE_SUBTREE; + int rc; + const char **attr_list; + + attr_list = get_attr_list(NULL, groupmap_attr_list); + rc = smbldap_search(ldap_state->smbldap_state, + lp_ldap_suffix(), scope, + filter, attr_list, 0, result); + TALLOC_FREE(attr_list); + + return rc; +} + +/********************************************************************** + *********************************************************************/ + +static bool init_group_from_ldap(struct ldapsam_privates *ldap_state, + GROUP_MAP *map, LDAPMessage *entry) +{ + char *temp = NULL; + TALLOC_CTX *ctx = talloc_init("init_group_from_ldap"); + + if (ldap_state == NULL || map == NULL || entry == NULL || + smbldap_get_ldap(ldap_state->smbldap_state) == NULL) { + DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n")); + TALLOC_FREE(ctx); + return false; + } + + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_GIDNUMBER), + ctx); + if (!temp) { + DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", + get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER))); + TALLOC_FREE(ctx); + return false; + } + DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp)); + + map->gid = (gid_t)atol(temp); + + TALLOC_FREE(temp); + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_GROUP_SID), + ctx); + if (!temp) { + DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", + get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID))); + TALLOC_FREE(ctx); + return false; + } + + if (!string_to_sid(&map->sid, temp)) { + DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp)); + TALLOC_FREE(ctx); + return false; + } + + TALLOC_FREE(temp); + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_GROUP_TYPE), + ctx); + if (!temp) { + DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", + get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE))); + TALLOC_FREE(ctx); + return false; + } + map->sid_name_use = (enum lsa_SidType)atol(temp); + + if ((map->sid_name_use < SID_NAME_USER) || + (map->sid_name_use > SID_NAME_UNKNOWN)) { + DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use)); + TALLOC_FREE(ctx); + return false; + } + + TALLOC_FREE(temp); + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_DISPLAY_NAME), + ctx); + if (!temp) { + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_CN), + ctx); + if (!temp) { + DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \ +for gidNumber(%lu)\n",(unsigned long)map->gid)); + TALLOC_FREE(ctx); + return false; + } + } + map->nt_name = talloc_strdup(map, temp); + if (!map->nt_name) { + TALLOC_FREE(ctx); + return false; + } + + TALLOC_FREE(temp); + temp = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_DESC), + ctx); + if (!temp) { + temp = talloc_strdup(ctx, ""); + if (!temp) { + TALLOC_FREE(ctx); + return false; + } + } + map->comment = talloc_strdup(map, temp); + if (!map->comment) { + TALLOC_FREE(ctx); + return false; + } + + if (lp_parm_bool(-1, "ldapsam", "trusted", false)) { + struct unixid id; + id.id = map->gid; + id.type = ID_TYPE_GID; + + idmap_cache_set_sid2unixid(&map->sid, &id); + } + + TALLOC_FREE(ctx); + return true; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods, + const char *filter, + GROUP_MAP *map) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + + if (ldapsam_search_one_group(ldap_state, filter, &result) + != LDAP_SUCCESS) { + return NT_STATUS_NO_SUCH_GROUP; + } + + count = ldap_count_entries(priv2ld(ldap_state), result); + + if (count < 1) { + DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was " + "%s\n", filter)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_GROUP; + } + + if (count > 1) { + DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: " + "count=%d\n", filter, count)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_GROUP; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + + if (!entry) { + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!init_group_from_ldap(ldap_state, map, entry)) { + DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for " + "group filter %s\n", filter)); + ldap_msgfree(result); + return NT_STATUS_NO_SUCH_GROUP; + } + + ldap_msgfree(result); + return NT_STATUS_OK; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map, + struct dom_sid sid) +{ + char *filter = NULL; + NTSTATUS status; + struct dom_sid_buf tmp; + + if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))", + LDAP_OBJ_GROUPMAP, + get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), + dom_sid_str_buf(&sid, &tmp)) < 0) { + return NT_STATUS_NO_MEMORY; + } + + status = ldapsam_getgroup(methods, filter, map); + SAFE_FREE(filter); + return status; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map, + gid_t gid) +{ + char *filter = NULL; + NTSTATUS status; + + if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))", + LDAP_OBJ_GROUPMAP, + get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), + (unsigned long)gid) < 0) { + return NT_STATUS_NO_MEMORY; + } + + status = ldapsam_getgroup(methods, filter, map); + SAFE_FREE(filter); + return status; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, + const char *name) +{ + char *filter = NULL; + char *escape_name = escape_ldap_string(talloc_tos(), name); + NTSTATUS status; + + if (!escape_name) { + return NT_STATUS_NO_MEMORY; + } + + if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))", + LDAP_OBJ_GROUPMAP, + get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name, + get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), + escape_name) < 0) { + TALLOC_FREE(escape_name); + return NT_STATUS_NO_MEMORY; + } + + TALLOC_FREE(escape_name); + status = ldapsam_getgroup(methods, filter, map); + SAFE_FREE(filter); + return status; +} + +static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct, + LDAPMessage *entry, + const struct dom_sid *domain_sid, + uint32_t *rid) +{ + fstring str; + struct dom_sid sid; + + if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID", + str, sizeof(str)-1)) { + DEBUG(10, ("Could not find sambaSID attribute\n")); + return False; + } + + if (!string_to_sid(&sid, str)) { + DEBUG(10, ("Could not convert string %s to sid\n", str)); + return False; + } + + if (dom_sid_compare_domain(&sid, domain_sid) != 0) { + struct dom_sid_buf buf; + DEBUG(10, ("SID %s is not in expected domain %s\n", + str, + dom_sid_str_buf(domain_sid, &buf))); + return False; + } + + if (!sid_peek_rid(&sid, rid)) { + DEBUG(10, ("Could not peek into RID\n")); + return False; + } + + return True; +} + +static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods, + TALLOC_CTX *mem_ctx, + const struct dom_sid *group, + uint32_t **pp_member_rids, + size_t *p_num_members) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + struct smbldap_state *conn = ldap_state->smbldap_state; + const char *id_attrs[] = { "memberUid", "gidNumber", NULL }; + const char *sid_attrs[] = { "sambaSID", NULL }; + NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; + LDAPMessage *result = NULL; + LDAPMessage *entry; + char *filter; + char **values = NULL; + char **memberuid; + char *gidstr; + int rc, count; + struct dom_sid_buf buf; + + *pp_member_rids = NULL; + *p_num_members = 0; + + filter = talloc_asprintf(mem_ctx, + "(&(objectClass=%s)" + "(objectClass=%s)" + "(sambaSID=%s))", + LDAP_OBJ_POSIXGROUP, + LDAP_OBJ_GROUPMAP, + dom_sid_str_buf(group, &buf)); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search(conn, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, id_attrs, 0, + &result); + + if (rc != LDAP_SUCCESS) + goto done; + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + count = ldap_count_entries(smbldap_get_ldap(conn), result); + + if (count > 1) { + DEBUG(1, ("Found more than one groupmap entry for %s\n", + dom_sid_str_buf(group, &buf))); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + if (count == 0) { + ret = NT_STATUS_NO_SUCH_GROUP; + goto done; + } + + entry = ldap_first_entry(smbldap_get_ldap(conn), result); + if (entry == NULL) + goto done; + + gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx); + if (!gidstr) { + DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n")); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + values = ldap_get_values(smbldap_get_ldap(conn), entry, "memberUid"); + + if ((values != NULL) && (values[0] != NULL)) { + + filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + for (memberuid = values; *memberuid != NULL; memberuid += 1) { + char *escape_memberuid; + + escape_memberuid = escape_ldap_string(talloc_tos(), + *memberuid); + if (escape_memberuid == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid); + TALLOC_FREE(escape_memberuid); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + } + + filter = talloc_asprintf_append_buffer(filter, "))"); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search(conn, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0, + &result); + + if (rc != LDAP_SUCCESS) + goto done; + + count = ldap_count_entries(smbldap_get_ldap(conn), result); + DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count)); + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + for (entry = ldap_first_entry(smbldap_get_ldap(conn), result); + entry != NULL; + entry = ldap_next_entry(smbldap_get_ldap(conn), entry)) + { + char *sidstr; + struct dom_sid sid; + uint32_t rid; + + sidstr = smbldap_talloc_single_attribute( + smbldap_get_ldap(conn), entry, "sambaSID", + mem_ctx); + if (!sidstr) { + DEBUG(0, ("Severe DB error, %s can't miss the sambaSID" + "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT)); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + if (!string_to_sid(&sid, sidstr)) + goto done; + + if (!sid_check_is_in_our_sam(&sid)) { + DEBUG(0, ("Inconsistent SAM -- group member uid not " + "in our domain\n")); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + sid_peek_rid(&sid, &rid); + + if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids, + p_num_members)) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + } + } + + filter = talloc_asprintf(mem_ctx, + "(&(objectClass=%s)" + "(gidNumber=%s))", + LDAP_OBJ_SAMBASAMACCOUNT, + gidstr); + + rc = smbldap_search(conn, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0, + &result); + + if (rc != LDAP_SUCCESS) + goto done; + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + for (entry = ldap_first_entry(smbldap_get_ldap(conn), result); + entry != NULL; + entry = ldap_next_entry(smbldap_get_ldap(conn), entry)) + { + uint32_t rid; + + if (!ldapsam_extract_rid_from_entry(smbldap_get_ldap(conn), + entry, + get_global_sam_sid(), + &rid)) { + DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT)); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids, + p_num_members)) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + } + + ret = NT_STATUS_OK; + + done: + + if (values) + ldap_value_free(values); + + return ret; +} + +static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods, + TALLOC_CTX *mem_ctx, + struct samu *user, + struct dom_sid **pp_sids, + gid_t **pp_gids, + uint32_t *p_num_groups) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + struct smbldap_state *conn = ldap_state->smbldap_state; + char *filter; + const char *attrs[] = { "gidNumber", "sambaSID", NULL }; + char *escape_name; + int rc, count; + LDAPMessage *result = NULL; + LDAPMessage *entry; + NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; + uint32_t num_sids; + uint32_t num_gids; + char *gidstr; + gid_t primary_gid = -1; + int error = 0; + + *pp_sids = NULL; + num_sids = 0; + + if (pdb_get_username(user) == NULL) { + return NT_STATUS_INVALID_PARAMETER; + } + + escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user)); + if (escape_name == NULL) + return NT_STATUS_NO_MEMORY; + + if (user->unix_pw) { + primary_gid = user->unix_pw->pw_gid; + } else { + /* retrieve the users primary gid */ + filter = talloc_asprintf(mem_ctx, + "(&(objectClass=%s)(uid=%s))", + LDAP_OBJ_SAMBASAMACCOUNT, + escape_name); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search(conn, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); + + if (rc != LDAP_SUCCESS) + goto done; + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + count = ldap_count_entries(priv2ld(ldap_state), result); + + switch (count) { + case 0: + DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user))); + ret = NT_STATUS_NO_SUCH_USER; + goto done; + case 1: + entry = ldap_first_entry(priv2ld(ldap_state), result); + + gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx); + if (!gidstr) { + DEBUG (1, ("Unable to find the member's gid!\n")); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + primary_gid = smb_strtoul(gidstr, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + DBG_ERR("Failed to convert GID\n"); + goto done; + } + break; + default: + DEBUG(1, ("found more than one account with the same user name ?!\n")); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + } + + filter = talloc_asprintf(mem_ctx, + "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))", + LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid); + if (filter == NULL) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search(conn, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); + + if (rc != LDAP_SUCCESS) + goto done; + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + num_gids = 0; + *pp_gids = NULL; + + num_sids = 0; + *pp_sids = NULL; + + /* We need to add the primary group as the first gid/sid */ + + if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + + /* This sid will be replaced later */ + + ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, + &num_sids); + if (!NT_STATUS_IS_OK(ret)) { + goto done; + } + + for (entry = ldap_first_entry(smbldap_get_ldap(conn), result); + entry != NULL; + entry = ldap_next_entry(smbldap_get_ldap(conn), entry)) + { + fstring str; + struct dom_sid sid; + gid_t gid; + + if (!smbldap_get_single_attribute(smbldap_get_ldap(conn), + entry, "sambaSID", + str, sizeof(str)-1)) + continue; + + if (!string_to_sid(&sid, str)) + goto done; + + if (!smbldap_get_single_attribute(smbldap_get_ldap(conn), + entry, "gidNumber", + str, sizeof(str)-1)) + continue; + + gid = smb_strtoul(str, NULL, 10, &error, SMB_STR_FULL_STR_CONV); + + if (error != 0) { + goto done; + } + + if (gid == primary_gid) { + sid_copy(&(*pp_sids)[0], &sid); + } else { + if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids, + &num_gids)) { + ret = NT_STATUS_NO_MEMORY; + goto done; + } + ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids, + &num_sids); + if (!NT_STATUS_IS_OK(ret)) { + goto done; + } + } + } + + if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) { + DEBUG(3, ("primary group of [%s] not found\n", + pdb_get_username(user))); + ret = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + *p_num_groups = num_sids; + + ret = NT_STATUS_OK; + + done: + + TALLOC_FREE(escape_name); + return ret; +} + +/********************************************************************** + * Augment a posixGroup object with a sambaGroupMapping domgroup + *********************************************************************/ + +static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx, + struct ldapsam_privates *ldap_state, + GROUP_MAP *map) +{ + const char *filter, *dn; + LDAPMessage *msg, *entry; + LDAPMod **mods; + struct dom_sid_buf buf; + int rc; + + filter = talloc_asprintf(mem_ctx, + "(&(objectClass=%s)(gidNumber=%u))", + LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, + get_attr_list(mem_ctx, groupmap_attr_list), + &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + + if ((rc != LDAP_SUCCESS) || + (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + msg) != 1) || + ((entry = ldap_first_entry( + smbldap_get_ldap(ldap_state->smbldap_state), + msg)) == NULL)) { + return NT_STATUS_NO_SUCH_GROUP; + } + + dn = smbldap_talloc_dn(mem_ctx, + smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (dn == NULL) { + return NT_STATUS_NO_MEMORY; + } + + mods = NULL; + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", + LDAP_OBJ_GROUPMAP); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "sambaSid", + dom_sid_str_buf(&map->sid, &buf)); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "sambaGroupType", + talloc_asprintf(mem_ctx, "%d", map->sid_name_use)); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "displayName", + map->nt_name); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "description", + map->comment); + smbldap_talloc_autofree_ldapmod(mem_ctx, mods); + + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_ACCESS_DENIED; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods, + GROUP_MAP *map) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *msg = NULL; + LDAPMod **mods = NULL; + const char *attrs[] = { NULL }; + char *filter; + + char *dn; + TALLOC_CTX *mem_ctx; + NTSTATUS result; + + struct dom_sid sid; + struct dom_sid_buf buf; + struct unixid id; + + int rc; + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + return NT_STATUS_NO_MEMORY; + } + + filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)", + dom_sid_str_buf(&map->sid, &buf)); + if (filter == NULL) { + result = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + + if ((rc == LDAP_SUCCESS) && + (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + msg) > 0)) { + + DEBUG(3, ("SID %s already present in LDAP, refusing to add " + "group mapping entry\n", + dom_sid_str_buf(&map->sid, &buf))); + result = NT_STATUS_GROUP_EXISTS; + goto done; + } + + switch (map->sid_name_use) { + + case SID_NAME_DOM_GRP: + /* To map a domain group we need to have a posix group + to attach to. */ + result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map); + goto done; + break; + + case SID_NAME_ALIAS: + if (!sid_check_is_in_our_sam(&map->sid) + && !sid_check_is_in_builtin(&map->sid) ) + { + DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n", + dom_sid_str_buf(&map->sid, &buf))); + result = NT_STATUS_INVALID_PARAMETER; + goto done; + } + break; + + default: + DEBUG(3, ("Got invalid use '%s' for mapping\n", + sid_type_lookup(map->sid_name_use))); + result = NT_STATUS_INVALID_PARAMETER; + goto done; + } + + /* Domain groups have been mapped in a separate routine, we have to + * create an alias now */ + + if (map->gid == -1) { + DEBUG(10, ("Refusing to map gid==-1\n")); + result = NT_STATUS_INVALID_PARAMETER; + goto done; + } + + id.id = map->gid; + id.type = ID_TYPE_GID; + + if (pdb_id_to_sid(&id, &sid)) { + DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to " + "add\n", + (unsigned int)map->gid, + dom_sid_str_buf(&sid, &buf))); + result = NT_STATUS_GROUP_EXISTS; + goto done; + } + + /* Ok, enough checks done. It's still racy to go ahead now, but that's + * the best we can get out of LDAP. */ + + dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s", + dom_sid_str_buf(&map->sid, &buf), + lp_ldap_group_suffix(talloc_tos())); + if (dn == NULL) { + result = NT_STATUS_NO_MEMORY; + goto done; + } + + mods = NULL; + + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "objectClass", LDAP_OBJ_SID_ENTRY); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "objectClass", LDAP_OBJ_GROUPMAP); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "sambaSid", + dom_sid_str_buf(&map->sid, &buf)); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "sambaGroupType", + talloc_asprintf(mem_ctx, "%d", map->sid_name_use)); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "displayName", + map->nt_name); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "description", + map->comment); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL, + &mods, "gidNumber", + talloc_asprintf(mem_ctx, "%u", + (unsigned int)map->gid)); + smbldap_talloc_autofree_ldapmod(mem_ctx, mods); + + rc = smbldap_add(ldap_state->smbldap_state, dn, mods); + + result = (rc == LDAP_SUCCESS) ? + NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; + + done: + TALLOC_FREE(mem_ctx); + return result; +} + +/********************************************************************** + * Update a group mapping entry. We're quite strict about what can be changed: + * Only the description and displayname may be changed. It simply does not + * make any sense to change the SID, gid or the type in a mapping. + *********************************************************************/ + +static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods, + GROUP_MAP *map) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + int rc; + const char *filter, *dn; + LDAPMessage *msg = NULL; + LDAPMessage *entry = NULL; + LDAPMod **mods = NULL; + TALLOC_CTX *mem_ctx; + NTSTATUS result; + struct dom_sid_buf buf; + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + return NT_STATUS_NO_MEMORY; + } + + /* Make 100% sure that sid, gid and type are not changed by looking up + * exactly the values we're given in LDAP. */ + + filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)" + "(sambaSid=%s)(gidNumber=%u)" + "(sambaGroupType=%d))", + LDAP_OBJ_GROUPMAP, + dom_sid_str_buf(&map->sid, &buf), + (unsigned int)map->gid, map->sid_name_use); + if (filter == NULL) { + result = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, + get_attr_list(mem_ctx, groupmap_attr_list), + &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + + if ((rc != LDAP_SUCCESS) || + (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + msg) != 1) || + ((entry = ldap_first_entry( + smbldap_get_ldap(ldap_state->smbldap_state), + msg)) == NULL)) { + result = NT_STATUS_NO_SUCH_GROUP; + goto done; + } + + dn = smbldap_talloc_dn( + mem_ctx, smbldap_get_ldap(ldap_state->smbldap_state), entry); + + if (dn == NULL) { + result = NT_STATUS_NO_MEMORY; + goto done; + } + + mods = NULL; + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "displayName", map->nt_name); + smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry, + &mods, "description", map->comment); + smbldap_talloc_autofree_ldapmod(mem_ctx, mods); + + if (mods == NULL) { + DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: " + "nothing to do\n")); + result = NT_STATUS_OK; + goto done; + } + + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + + if (rc != LDAP_SUCCESS) { + result = NT_STATUS_ACCESS_DENIED; + goto done; + } + + DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified " + "group %lu in LDAP\n", (unsigned long)map->gid)); + + result = NT_STATUS_OK; + + done: + TALLOC_FREE(mem_ctx); + return result; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods, + struct dom_sid sid) +{ + struct ldapsam_privates *priv = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *msg, *entry; + int rc; + NTSTATUS result; + TALLOC_CTX *mem_ctx; + char *filter; + struct dom_sid_buf buf; + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + return NT_STATUS_NO_MEMORY; + } + + filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))", + LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, + dom_sid_str_buf(&sid, &buf)); + if (filter == NULL) { + result = NT_STATUS_NO_MEMORY; + goto done; + } + rc = smbldap_search_suffix(priv->smbldap_state, filter, + get_attr_list(mem_ctx, groupmap_attr_list), + &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + + if ((rc != LDAP_SUCCESS) || + (ldap_count_entries(priv2ld(priv), msg) != 1) || + ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) { + result = NT_STATUS_NO_SUCH_GROUP; + goto done; + } + + rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP, + get_attr_list(mem_ctx, + groupmap_attr_list_to_delete)); + + if ((rc == LDAP_NAMING_VIOLATION) || + (rc == LDAP_NOT_ALLOWED_ON_RDN) || + (rc == LDAP_OBJECT_CLASS_VIOLATION)) { + const char *attrs[] = { "sambaGroupType", "description", + "displayName", "sambaSIDList", + NULL }; + + /* Second try. Don't delete the sambaSID attribute, this is + for "old" entries that are tacked on a winbind + sambaIdmapEntry. */ + + rc = ldapsam_delete_entry(priv, mem_ctx, entry, + LDAP_OBJ_GROUPMAP, attrs); + } + + if ((rc == LDAP_NAMING_VIOLATION) || + (rc == LDAP_NOT_ALLOWED_ON_RDN) || + (rc == LDAP_OBJECT_CLASS_VIOLATION)) { + const char *attrs[] = { "sambaGroupType", "description", + "displayName", "sambaSIDList", + "gidNumber", NULL }; + + /* Third try. This is a post-3.0.21 alias (containing only + * sambaSidEntry and sambaGroupMapping classes), we also have + * to delete the gidNumber attribute, only the sambaSidEntry + * remains */ + + rc = ldapsam_delete_entry(priv, mem_ctx, entry, + LDAP_OBJ_GROUPMAP, attrs); + } + + result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; + + done: + TALLOC_FREE(mem_ctx); + return result; + } + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, + bool update) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)my_methods->private_data; + char *filter = NULL; + int rc; + const char **attr_list; + + filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP); + if (!filter) { + return NT_STATUS_NO_MEMORY; + } + attr_list = get_attr_list( NULL, groupmap_attr_list ); + rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, + attr_list, 0, &ldap_state->result); + TALLOC_FREE(attr_list); + + if (rc != LDAP_SUCCESS) { + DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", + ldap_err2string(rc))); + DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", + lp_ldap_suffix(), filter)); + ldap_msgfree(ldap_state->result); + ldap_state->result = NULL; + TALLOC_FREE(filter); + return NT_STATUS_UNSUCCESSFUL; + } + + TALLOC_FREE(filter); + + DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n", + ldap_count_entries( + smbldap_get_ldap(ldap_state->smbldap_state), + ldap_state->result))); + + ldap_state->entry = + ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + ldap_state->result); + ldap_state->index = 0; + + return NT_STATUS_OK; +} + +/********************************************************************** + *********************************************************************/ + +static void ldapsam_endsamgrent(struct pdb_methods *my_methods) +{ + ldapsam_endsampwent(my_methods); +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods, + GROUP_MAP *map) +{ + NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)my_methods->private_data; + bool bret = False; + + while (!bret) { + if (!ldap_state->entry) + return ret; + + ldap_state->index++; + bret = init_group_from_ldap(ldap_state, map, + ldap_state->entry); + + ldap_state->entry = ldap_next_entry( + smbldap_get_ldap(ldap_state->smbldap_state), + ldap_state->entry); + } + + return NT_STATUS_OK; +} + +/********************************************************************** + *********************************************************************/ + +static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods, + const struct dom_sid *domsid, enum lsa_SidType sid_name_use, + GROUP_MAP ***pp_rmap, + size_t *p_num_entries, + bool unix_only) +{ + GROUP_MAP *map = NULL; + size_t entries = 0; + + *p_num_entries = 0; + *pp_rmap = NULL; + + if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) { + DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open " + "passdb\n")); + return NT_STATUS_ACCESS_DENIED; + } + + while (true) { + + map = talloc_zero(NULL, GROUP_MAP); + if (!map) { + return NT_STATUS_NO_MEMORY; + } + + if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) { + TALLOC_FREE(map); + break; + } + + if (sid_name_use != SID_NAME_UNKNOWN && + sid_name_use != map->sid_name_use) { + DEBUG(11,("ldapsam_enum_group_mapping: group %s is " + "not of the requested type\n", + map->nt_name)); + continue; + } + if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) { + DEBUG(11,("ldapsam_enum_group_mapping: group %s is " + "non mapped\n", map->nt_name)); + continue; + } + + *pp_rmap = talloc_realloc(NULL, *pp_rmap, + GROUP_MAP *, entries + 1); + if (!(*pp_rmap)) { + DEBUG(0,("ldapsam_enum_group_mapping: Unable to " + "enlarge group map!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map); + + entries += 1; + } + + ldapsam_endsamgrent(methods); + + *p_num_entries = entries; + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods, + const struct dom_sid *alias, + const struct dom_sid *member, + int modop) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + char *dn = NULL; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + LDAPMod **mods = NULL; + int rc; + enum lsa_SidType type = SID_NAME_USE_NONE; + struct dom_sid_buf tmp; + + char *filter = NULL; + + if (sid_check_is_in_builtin(alias)) { + type = SID_NAME_ALIAS; + } + + if (sid_check_is_in_our_sam(alias)) { + type = SID_NAME_ALIAS; + } + + if (type == SID_NAME_USE_NONE) { + struct dom_sid_buf buf; + DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n", + dom_sid_str_buf(alias, &buf))); + return NT_STATUS_NO_SUCH_ALIAS; + } + + if (asprintf(&filter, + "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))", + LDAP_OBJ_GROUPMAP, + dom_sid_str_buf(alias, &tmp), + type) < 0) { + return NT_STATUS_NO_MEMORY; + } + + if (ldapsam_search_one_group(ldap_state, filter, + &result) != LDAP_SUCCESS) { + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (count < 1) { + DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n")); + ldap_msgfree(result); + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + if (count > 1) { + DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for " + "filter %s: count=%d\n", filter, count)); + ldap_msgfree(result); + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + SAFE_FREE(filter); + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (!entry) { + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + dn = smbldap_talloc_dn(talloc_tos(), + smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (!dn) { + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + smbldap_set_mod(&mods, modop, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_SID_LIST), + dom_sid_str_buf(member, &tmp)); + + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + + ldap_mods_free(mods, True); + ldap_msgfree(result); + TALLOC_FREE(dn); + + if (rc == LDAP_TYPE_OR_VALUE_EXISTS) { + return NT_STATUS_MEMBER_IN_ALIAS; + } + + if (rc == LDAP_NO_SUCH_ATTRIBUTE) { + return NT_STATUS_MEMBER_NOT_IN_ALIAS; + } + + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods, + const struct dom_sid *alias, + const struct dom_sid *member) +{ + return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD); +} + +static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods, + const struct dom_sid *alias, + const struct dom_sid *member) +{ + return ldapsam_modify_aliasmem(methods, alias, member, + LDAP_MOD_DELETE); +} + +static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods, + const struct dom_sid *alias, + TALLOC_CTX *mem_ctx, + struct dom_sid **pp_members, + size_t *p_num_members) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + char **values = NULL; + int i; + char *filter = NULL; + uint32_t num_members = 0; + enum lsa_SidType type = SID_NAME_USE_NONE; + struct dom_sid_buf tmp; + + *pp_members = NULL; + *p_num_members = 0; + + if (sid_check_is_in_builtin(alias)) { + type = SID_NAME_ALIAS; + } + + if (sid_check_is_in_our_sam(alias)) { + type = SID_NAME_ALIAS; + } + + if (type == SID_NAME_USE_NONE) { + DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n", + dom_sid_str_buf(alias, &tmp))); + return NT_STATUS_NO_SUCH_ALIAS; + } + + if (asprintf(&filter, + "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))", + LDAP_OBJ_GROUPMAP, + dom_sid_str_buf(alias, &tmp), + type) < 0) { + return NT_STATUS_NO_MEMORY; + } + + if (ldapsam_search_one_group(ldap_state, filter, + &result) != LDAP_SUCCESS) { + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (count < 1) { + DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n")); + ldap_msgfree(result); + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + if (count > 1) { + DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for " + "filter %s: count=%d\n", filter, count)); + ldap_msgfree(result); + SAFE_FREE(filter); + return NT_STATUS_NO_SUCH_ALIAS; + } + + SAFE_FREE(filter); + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + + if (!entry) { + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + values = ldap_get_values(smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string(groupmap_attr_list, + LDAP_ATTR_SID_LIST)); + + if (values == NULL) { + ldap_msgfree(result); + return NT_STATUS_OK; + } + + count = ldap_count_values(values); + + for (i=0; i<count; i++) { + struct dom_sid member; + NTSTATUS status; + + if (!string_to_sid(&member, values[i])) + continue; + + status = add_sid_to_array(mem_ctx, &member, pp_members, + &num_members); + if (!NT_STATUS_IS_OK(status)) { + ldap_value_free(values); + ldap_msgfree(result); + return status; + } + } + + *p_num_members = num_members; + ldap_value_free(values); + ldap_msgfree(result); + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods, + TALLOC_CTX *mem_ctx, + const struct dom_sid *domain_sid, + const struct dom_sid *members, + size_t num_members, + uint32_t **pp_alias_rids, + size_t *p_num_alias_rids) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAP *ldap_struct; + + const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL }; + + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int i; + int rc; + char *filter; + enum lsa_SidType type = SID_NAME_USE_NONE; + bool is_builtin = false; + bool sid_added = false; + + *pp_alias_rids = NULL; + *p_num_alias_rids = 0; + + if (sid_check_is_builtin(domain_sid)) { + is_builtin = true; + type = SID_NAME_ALIAS; + } + + if (sid_check_is_our_sam(domain_sid)) { + type = SID_NAME_ALIAS; + } + + if (type == SID_NAME_USE_NONE) { + struct dom_sid_buf buf; + DEBUG(5, ("SID %s is neither builtin nor domain!\n", + dom_sid_str_buf(domain_sid, &buf))); + return NT_STATUS_UNSUCCESSFUL; + } + + if (num_members == 0) { + return NT_STATUS_OK; + } + + filter = talloc_asprintf(mem_ctx, + "(&(objectclass=%s)(sambaGroupType=%d)(|", + LDAP_OBJ_GROUPMAP, type); + + for (i=0; i<num_members; i++) { + struct dom_sid_buf buf; + filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)", + filter, + dom_sid_str_buf(&members[i], &buf)); + } + + filter = talloc_asprintf(mem_ctx, "%s))", filter); + + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + if (is_builtin && + ldap_state->search_cache.filter && + strcmp(ldap_state->search_cache.filter, filter) == 0) { + filter = talloc_move(filter, &ldap_state->search_cache.filter); + result = ldap_state->search_cache.result; + ldap_state->search_cache.result = NULL; + } else { + rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(filter, result); + } + + ldap_struct = smbldap_get_ldap(ldap_state->smbldap_state); + + for (entry = ldap_first_entry(ldap_struct, result); + entry != NULL; + entry = ldap_next_entry(ldap_struct, entry)) + { + fstring sid_str; + struct dom_sid sid; + uint32_t rid; + + if (!smbldap_get_single_attribute(ldap_struct, entry, + LDAP_ATTRIBUTE_SID, + sid_str, + sizeof(sid_str)-1)) + continue; + + if (!string_to_sid(&sid, sid_str)) + continue; + + if (!sid_peek_check_rid(domain_sid, &sid, &rid)) + continue; + + sid_added = true; + + if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids, + p_num_alias_rids)) { + return NT_STATUS_NO_MEMORY; + } + } + + if (!is_builtin && !sid_added) { + TALLOC_FREE(ldap_state->search_cache.filter); + /* + * Note: result is a talloc child of filter because of the + * smbldap_talloc_autofree_ldapmsg() usage + */ + ldap_state->search_cache.filter = talloc_move(ldap_state, &filter); + ldap_state->search_cache.result = result; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods, + enum pdb_policy_type type, + uint32_t value) +{ + NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; + int rc; + LDAPMod **mods = NULL; + fstring value_string; + const char *policy_attr = NULL; + + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + + DEBUG(10,("ldapsam_set_account_policy_in_ldap\n")); + + if (!ldap_state->domain_dn) { + return NT_STATUS_INVALID_PARAMETER; + } + + policy_attr = get_account_policy_attr(type); + if (policy_attr == NULL) { + DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid " + "policy\n")); + return ntstatus; + } + + slprintf(value_string, sizeof(value_string) - 1, "%i", value); + + smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string); + + rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn, + mods); + + ldap_mods_free(mods, True); + + if (rc != LDAP_SUCCESS) { + return ntstatus; + } + + if (!cache_account_policy_set(type, value)) { + DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to " + "update local tdb cache\n")); + return ntstatus; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods, + enum pdb_policy_type type, + uint32_t value) +{ + return ldapsam_set_account_policy_in_ldap(methods, type, + value); +} + +static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods, + enum pdb_policy_type type, + uint32_t *value) +{ + NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int count; + int rc; + char **vals = NULL; + char *filter; + const char *policy_attr = NULL; + + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + + const char *attrs[2]; + + DEBUG(10,("ldapsam_get_account_policy_from_ldap\n")); + + if (!ldap_state->domain_dn) { + return NT_STATUS_INVALID_PARAMETER; + } + + policy_attr = get_account_policy_attr(type); + if (!policy_attr) { + DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid " + "policy index: %d\n", type)); + return ntstatus; + } + + attrs[0] = policy_attr; + attrs[1] = NULL; + + filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn, + LDAP_SCOPE_BASE, filter, attrs, 0, + &result); + TALLOC_FREE(filter); + if (rc != LDAP_SUCCESS) { + return ntstatus; + } + + count = ldap_count_entries(priv2ld(ldap_state), result); + if (count < 1) { + goto out; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (entry == NULL) { + goto out; + } + + vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr); + if (vals == NULL) { + goto out; + } + + *value = (uint32_t)atol(vals[0]); + + ntstatus = NT_STATUS_OK; + +out: + if (vals) + ldap_value_free(vals); + ldap_msgfree(result); + + return ntstatus; +} + +/* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache + + - if user hasn't decided to use account policies inside LDAP just reuse the + old tdb values + + - if there is a valid cache entry, return that + - if there is an LDAP entry, update cache and return + - otherwise set to default, update cache and return + + Guenther +*/ +static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods, + enum pdb_policy_type type, + uint32_t *value) +{ + NTSTATUS ntstatus; + + if (cache_account_policy_get(type, value)) { + DEBUG(11,("ldapsam_get_account_policy: got valid value from " + "cache\n")); + return NT_STATUS_OK; + } + + ntstatus = ldapsam_get_account_policy_from_ldap(methods, type, + value); + if (NT_STATUS_IS_OK(ntstatus)) { + goto update_cache; + } + + DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from " + "ldap\n")); + +#if 0 + /* should we automagically migrate old tdb value here ? */ + if (account_policy_get(type, value)) + goto update_ldap; + + DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying " + "default\n", type)); +#endif + + if (!account_policy_get_default(type, value)) { + return ntstatus; + } + +/* update_ldap: */ + + ntstatus = ldapsam_set_account_policy(methods, type, *value); + if (!NT_STATUS_IS_OK(ntstatus)) { + return ntstatus; + } + + update_cache: + + if (!cache_account_policy_set(type, *value)) { + DEBUG(0,("ldapsam_get_account_policy: failed to update local " + "tdb as a cache\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods, + const struct dom_sid *domain_sid, + int num_rids, + uint32_t *rids, + const char **names, + enum lsa_SidType *attrs) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *msg = NULL; + LDAPMessage *entry; + char *allsids = NULL; + size_t i, num_mapped; + int rc; + NTSTATUS result = NT_STATUS_NO_MEMORY; + TALLOC_CTX *mem_ctx; + LDAP *ld; + bool is_builtin; + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + goto done; + } + + if (!sid_check_is_builtin(domain_sid) && + !sid_check_is_our_sam(domain_sid)) { + result = NT_STATUS_INVALID_PARAMETER; + goto done; + } + + if (num_rids == 0) { + result = NT_STATUS_NONE_MAPPED; + goto done; + } + + for (i=0; i<num_rids; i++) + attrs[i] = SID_NAME_UNKNOWN; + + allsids = talloc_strdup(mem_ctx, ""); + if (allsids == NULL) { + goto done; + } + + for (i=0; i<num_rids; i++) { + struct dom_sid sid; + struct dom_sid_buf buf; + sid_compose(&sid, domain_sid, rids[i]); + allsids = talloc_asprintf_append_buffer( + allsids, + "(sambaSid=%s)", + dom_sid_str_buf(&sid, &buf)); + if (allsids == NULL) { + goto done; + } + } + + /* First look for users */ + + { + char *filter; + const char *ldap_attrs[] = { "uid", "sambaSid", NULL }; + + filter = talloc_asprintf( + mem_ctx, ("(&(objectClass=%s)(|%s))"), + LDAP_OBJ_SAMBASAMACCOUNT, allsids); + + if (filter == NULL) { + goto done; + } + + rc = smbldap_search(ldap_state->smbldap_state, + lp_ldap_user_suffix(talloc_tos()), + LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0, + &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + } + + if (rc != LDAP_SUCCESS) + goto done; + + ld = smbldap_get_ldap(ldap_state->smbldap_state); + num_mapped = 0; + + for (entry = ldap_first_entry(ld, msg); + entry != NULL; + entry = ldap_next_entry(ld, entry)) { + uint32_t rid; + int rid_index; + const char *name; + + if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid, + &rid)) { + DEBUG(2, ("Could not find sid from ldap entry\n")); + continue; + } + + name = smbldap_talloc_single_attribute(ld, entry, "uid", + names); + if (name == NULL) { + DEBUG(2, ("Could not retrieve uid attribute\n")); + continue; + } + + for (rid_index = 0; rid_index < num_rids; rid_index++) { + if (rid == rids[rid_index]) + break; + } + + if (rid_index == num_rids) { + DEBUG(2, ("Got a RID not asked for: %d\n", rid)); + continue; + } + + attrs[rid_index] = SID_NAME_USER; + names[rid_index] = name; + num_mapped += 1; + } + + if (num_mapped == num_rids) { + /* No need to look for groups anymore -- we're done */ + result = NT_STATUS_OK; + goto done; + } + + /* Same game for groups */ + + { + char *filter; + const char *ldap_attrs[] = { "cn", "displayName", "sambaSid", + "sambaGroupType", NULL }; + + filter = talloc_asprintf( + mem_ctx, "(&(objectClass=%s)(|%s))", + LDAP_OBJ_GROUPMAP, allsids); + if (filter == NULL) { + goto done; + } + + rc = smbldap_search(ldap_state->smbldap_state, + lp_ldap_suffix(), + LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0, + &msg); + smbldap_talloc_autofree_ldapmsg(mem_ctx, msg); + } + + if (rc != LDAP_SUCCESS) + goto done; + + /* ldap_struct might have changed due to a reconnect */ + + ld = smbldap_get_ldap(ldap_state->smbldap_state); + + /* For consistency checks, we already checked we're only domain or builtin */ + + is_builtin = sid_check_is_builtin(domain_sid); + + for (entry = ldap_first_entry(ld, msg); + entry != NULL; + entry = ldap_next_entry(ld, entry)) + { + uint32_t rid; + int rid_index; + const char *attr; + enum lsa_SidType type; + const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry); + + attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType", + mem_ctx); + if (attr == NULL) { + DEBUG(2, ("Could not extract type from ldap entry %s\n", + dn)); + continue; + } + + type = (enum lsa_SidType)atol(attr); + + /* Consistency checks */ + if ((is_builtin && (type != SID_NAME_ALIAS)) || + (!is_builtin && ((type != SID_NAME_ALIAS) && + (type != SID_NAME_DOM_GRP)))) { + DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn)); + } + + if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid, + &rid)) { + DEBUG(2, ("Could not find sid from ldap entry %s\n", dn)); + continue; + } + + attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names); + + if (attr == NULL) { + DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n", + dn)); + attr = smbldap_talloc_single_attribute(ld, entry, "cn", names); + } + + if (attr == NULL) { + DEBUG(2, ("Could not retrieve naming attribute from %s\n", + dn)); + continue; + } + + for (rid_index = 0; rid_index < num_rids; rid_index++) { + if (rid == rids[rid_index]) + break; + } + + if (rid_index == num_rids) { + DEBUG(2, ("Got a RID not asked for: %d\n", rid)); + continue; + } + + attrs[rid_index] = type; + names[rid_index] = attr; + num_mapped += 1; + } + + result = NT_STATUS_NONE_MAPPED; + + if (num_mapped > 0) + result = (num_mapped == num_rids) ? + NT_STATUS_OK : STATUS_SOME_UNMAPPED; + done: + TALLOC_FREE(mem_ctx); + return result; +} + +static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username) +{ + char *filter = NULL; + char *escaped = NULL; + char *result = NULL; + + if (asprintf(&filter, "(&%s(objectclass=%s))", + "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) { + goto done; + } + + escaped = escape_ldap_string(talloc_tos(), username); + if (escaped == NULL) goto done; + + result = talloc_string_sub(mem_ctx, filter, "%u", username); + + done: + SAFE_FREE(filter); + TALLOC_FREE(escaped); + + return result; +} + +static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...) +{ + int i, num = 0; + va_list ap; + const char **result; + + va_start(ap, mem_ctx); + while (va_arg(ap, const char *) != NULL) + num += 1; + va_end(ap); + + if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) { + return NULL; + } + + va_start(ap, mem_ctx); + for (i=0; i<num; i++) { + result[i] = talloc_strdup(result, va_arg(ap, const char*)); + if (result[i] == NULL) { + talloc_free(result); + va_end(ap); + return NULL; + } + } + va_end(ap); + + result[num] = NULL; + return result; +} + +struct ldap_search_state { + struct smbldap_state *connection; + + uint32_t acct_flags; + uint16_t group_type; + + const char *base; + int scope; + const char *filter; + const char **attrs; + int attrsonly; + void *pagedresults_cookie; + + LDAPMessage *entries, *current_entry; + bool (*ldap2displayentry)(struct ldap_search_state *state, + TALLOC_CTX *mem_ctx, + LDAP *ld, LDAPMessage *entry, + struct samr_displayentry *result); +}; + +static bool ldapsam_search_firstpage(struct pdb_search *search) +{ + struct ldap_search_state *state = + (struct ldap_search_state *)search->private_data; + LDAP *ld; + int rc = LDAP_OPERATIONS_ERROR; + + state->entries = NULL; + + if (smbldap_get_paged_results(state->connection)) { + rc = smbldap_search_paged(state->connection, state->base, + state->scope, state->filter, + state->attrs, state->attrsonly, + lp_ldap_page_size(), &state->entries, + &state->pagedresults_cookie); + } + + if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) { + + if (state->entries != NULL) { + /* Left over from unsuccessful paged attempt */ + ldap_msgfree(state->entries); + state->entries = NULL; + } + + rc = smbldap_search(state->connection, state->base, + state->scope, state->filter, state->attrs, + state->attrsonly, &state->entries); + + if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) + return False; + + /* Ok, the server was lying. It told us it could do paged + * searches when it could not. */ + smbldap_set_paged_results(state->connection, false); + } + + ld = smbldap_get_ldap(state->connection); + if ( ld == NULL) { + DEBUG(5, ("Don't have an LDAP connection right after a " + "search\n")); + return False; + } + state->current_entry = ldap_first_entry(ld, state->entries); + + return True; +} + +static bool ldapsam_search_nextpage(struct pdb_search *search) +{ + struct ldap_search_state *state = + (struct ldap_search_state *)search->private_data; + int rc; + + if (!smbldap_get_paged_results(state->connection)) { + /* There is no next page when there are no paged results */ + return False; + } + + rc = smbldap_search_paged(state->connection, state->base, + state->scope, state->filter, state->attrs, + state->attrsonly, lp_ldap_page_size(), + &state->entries, + &state->pagedresults_cookie); + + if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) + return False; + + state->current_entry = ldap_first_entry( + smbldap_get_ldap(state->connection), state->entries); + + if (state->current_entry == NULL) { + ldap_msgfree(state->entries); + state->entries = NULL; + return false; + } + + return True; +} + +static bool ldapsam_search_next_entry(struct pdb_search *search, + struct samr_displayentry *entry) +{ + struct ldap_search_state *state = + (struct ldap_search_state *)search->private_data; + bool result; + + retry: + if ((state->entries == NULL) && (state->pagedresults_cookie == NULL)) + return False; + + if ((state->entries == NULL) && + !ldapsam_search_nextpage(search)) + return False; + + if (state->current_entry == NULL) { + return false; + } + + result = state->ldap2displayentry(state, search, + smbldap_get_ldap(state->connection), + state->current_entry, entry); + + if (!result) { + char *dn; + dn = ldap_get_dn(smbldap_get_ldap(state->connection), + state->current_entry); + DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>")); + if (dn != NULL) ldap_memfree(dn); + } + + state->current_entry = ldap_next_entry( + smbldap_get_ldap(state->connection), state->current_entry); + + if (state->current_entry == NULL) { + ldap_msgfree(state->entries); + state->entries = NULL; + } + + if (!result) goto retry; + + return True; +} + +static void ldapsam_search_end(struct pdb_search *search) +{ + struct ldap_search_state *state = + (struct ldap_search_state *)search->private_data; + int rc; + + if (state->pagedresults_cookie == NULL) + return; + + if (state->entries != NULL) + ldap_msgfree(state->entries); + + state->entries = NULL; + state->current_entry = NULL; + + if (!smbldap_get_paged_results(state->connection)) { + return; + } + + /* Tell the LDAP server we're not interested in the rest anymore. */ + + rc = smbldap_search_paged(state->connection, state->base, state->scope, + state->filter, state->attrs, + state->attrsonly, 0, &state->entries, + &state->pagedresults_cookie); + + if (rc != LDAP_SUCCESS) + DEBUG(5, ("Could not end search properly\n")); + + return; +} + +static bool ldapuser2displayentry(struct ldap_search_state *state, + TALLOC_CTX *mem_ctx, + LDAP *ld, LDAPMessage *entry, + struct samr_displayentry *result) +{ + char **vals; + size_t converted_size; + struct dom_sid sid; + uint32_t acct_flags; + + vals = ldap_get_values(ld, entry, "sambaAcctFlags"); + if ((vals == NULL) || (vals[0] == NULL)) { + acct_flags = ACB_NORMAL; + } else { + acct_flags = pdb_decode_acct_ctrl(vals[0]); + ldap_value_free(vals); + } + + if ((state->acct_flags != 0) && + ((state->acct_flags & acct_flags) == 0)) + return False; + + result->acct_flags = acct_flags; + result->account_name = ""; + result->fullname = ""; + result->description = ""; + + vals = ldap_get_values(ld, entry, "uid"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(5, ("\"uid\" not found\n")); + return False; + } + if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, &result->account_name), + vals[0], &converted_size)) + { + DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s", + strerror(errno))); + } + + ldap_value_free(vals); + + vals = ldap_get_values(ld, entry, "displayName"); + if ((vals == NULL) || (vals[0] == NULL)) + DEBUG(8, ("\"displayName\" not found\n")); + else if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, &result->fullname), + vals[0], &converted_size)) + { + DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s", + strerror(errno))); + } + + ldap_value_free(vals); + + vals = ldap_get_values(ld, entry, "description"); + if ((vals == NULL) || (vals[0] == NULL)) + DEBUG(8, ("\"description\" not found\n")); + else if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, &result->description), + vals[0], &converted_size)) + { + DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s", + strerror(errno))); + } + + ldap_value_free(vals); + + if ((result->account_name == NULL) || + (result->fullname == NULL) || + (result->description == NULL)) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + vals = ldap_get_values(ld, entry, "sambaSid"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(0, ("\"objectSid\" not found\n")); + return False; + } + + if (!string_to_sid(&sid, vals[0])) { + DEBUG(0, ("Could not convert %s to SID\n", vals[0])); + ldap_value_free(vals); + return False; + } + ldap_value_free(vals); + + if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) { + struct dom_sid_buf buf; + DEBUG(0, ("sid %s does not belong to our domain\n", + dom_sid_str_buf(&sid, &buf))); + return False; + } + + return True; +} + + +static bool ldapsam_search_users(struct pdb_methods *methods, + struct pdb_search *search, + uint32_t acct_flags) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + struct ldap_search_state *state; + + state = talloc(search, struct ldap_search_state); + if (state == NULL) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + state->connection = ldap_state->smbldap_state; + + if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0)) + state->base = lp_ldap_user_suffix(talloc_tos()); + else if ((acct_flags != 0) && + ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0)) + state->base = lp_ldap_machine_suffix(talloc_tos()); + else + state->base = lp_ldap_suffix(); + + state->acct_flags = acct_flags; + state->base = talloc_strdup(search, state->base); + state->scope = LDAP_SCOPE_SUBTREE; + state->filter = get_ldap_filter(search, "*"); + state->attrs = talloc_attrs(search, "uid", "sambaSid", + "displayName", "description", + "sambaAcctFlags", NULL); + state->attrsonly = 0; + state->pagedresults_cookie = NULL; + state->entries = NULL; + state->ldap2displayentry = ldapuser2displayentry; + + if ((state->filter == NULL) || (state->attrs == NULL)) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + search->private_data = state; + search->next_entry = ldapsam_search_next_entry; + search->search_end = ldapsam_search_end; + + return ldapsam_search_firstpage(search); +} + +static bool ldapgroup2displayentry(struct ldap_search_state *state, + TALLOC_CTX *mem_ctx, + LDAP *ld, LDAPMessage *entry, + struct samr_displayentry *result) +{ + char **vals; + size_t converted_size; + struct dom_sid sid; + uint16_t group_type; + + result->account_name = ""; + result->fullname = ""; + result->description = ""; + + + vals = ldap_get_values(ld, entry, "sambaGroupType"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(5, ("\"sambaGroupType\" not found\n")); + if (vals != NULL) { + ldap_value_free(vals); + } + return False; + } + + group_type = atoi(vals[0]); + + if ((state->group_type != 0) && + ((state->group_type != group_type))) { + ldap_value_free(vals); + return False; + } + + ldap_value_free(vals); + + /* display name is the NT group name */ + + vals = ldap_get_values(ld, entry, "displayName"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(8, ("\"displayName\" not found\n")); + + /* fallback to the 'cn' attribute */ + vals = ldap_get_values(ld, entry, "cn"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(5, ("\"cn\" not found\n")); + return False; + } + if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, + &result->account_name), + vals[0], &converted_size)) + { + DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc " + "failed: %s", strerror(errno))); + } + } + else if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, + &result->account_name), + vals[0], &converted_size)) + { + DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s", + strerror(errno))); + } + + ldap_value_free(vals); + + vals = ldap_get_values(ld, entry, "description"); + if ((vals == NULL) || (vals[0] == NULL)) + DEBUG(8, ("\"description\" not found\n")); + else if (!pull_utf8_talloc(mem_ctx, + discard_const_p(char *, &result->description), + vals[0], &converted_size)) + { + DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s", + strerror(errno))); + } + ldap_value_free(vals); + + if ((result->account_name == NULL) || + (result->fullname == NULL) || + (result->description == NULL)) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + vals = ldap_get_values(ld, entry, "sambaSid"); + if ((vals == NULL) || (vals[0] == NULL)) { + DEBUG(0, ("\"objectSid\" not found\n")); + if (vals != NULL) { + ldap_value_free(vals); + } + return False; + } + + if (!string_to_sid(&sid, vals[0])) { + DEBUG(0, ("Could not convert %s to SID\n", vals[0])); + return False; + } + + ldap_value_free(vals); + + switch (group_type) { + case SID_NAME_DOM_GRP: + case SID_NAME_ALIAS: + + if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid) + && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid)) + { + struct dom_sid_buf buf; + DEBUG(0, ("%s is not in our domain\n", + dom_sid_str_buf(&sid, &buf))); + return False; + } + break; + + default: + DEBUG(0,("unknown group type: %d\n", group_type)); + return False; + } + + result->acct_flags = 0; + + return True; +} + +static bool ldapsam_search_grouptype(struct pdb_methods *methods, + struct pdb_search *search, + const struct dom_sid *sid, + enum lsa_SidType type) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + struct ldap_search_state *state; + struct dom_sid_buf tmp; + + state = talloc(search, struct ldap_search_state); + if (state == NULL) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + state->connection = ldap_state->smbldap_state; + + state->base = lp_ldap_suffix(); + state->connection = ldap_state->smbldap_state; + state->scope = LDAP_SCOPE_SUBTREE; + state->filter = talloc_asprintf(search, "(&(objectclass=%s)" + "(sambaGroupType=%d)(sambaSID=%s*))", + LDAP_OBJ_GROUPMAP, + type, + dom_sid_str_buf(sid, &tmp)); + state->attrs = talloc_attrs(search, "cn", "sambaSid", + "displayName", "description", + "sambaGroupType", NULL); + state->attrsonly = 0; + state->pagedresults_cookie = NULL; + state->entries = NULL; + state->group_type = type; + state->ldap2displayentry = ldapgroup2displayentry; + + if ((state->filter == NULL) || (state->attrs == NULL)) { + DEBUG(0, ("talloc failed\n")); + return False; + } + + search->private_data = state; + search->next_entry = ldapsam_search_next_entry; + search->search_end = ldapsam_search_end; + + return ldapsam_search_firstpage(search); +} + +static bool ldapsam_search_groups(struct pdb_methods *methods, + struct pdb_search *search) +{ + return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP); +} + +static bool ldapsam_search_aliases(struct pdb_methods *methods, + struct pdb_search *search, + const struct dom_sid *sid) +{ + return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS); +} + +static uint32_t ldapsam_capabilities(struct pdb_methods *methods) +{ + return PDB_CAP_STORE_RIDS; +} + +static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv, + uint32_t *rid) +{ + struct smbldap_state *smbldap_state = priv->smbldap_state; + + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + LDAPMod **mods = NULL; + NTSTATUS status; + char *value; + int rc; + uint32_t nextRid = 0; + const char *dn; + uint32_t tmp; + int error = 0; + + TALLOC_CTX *mem_ctx; + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + return NT_STATUS_NO_MEMORY; + } + + status = smbldap_search_domain_info(smbldap_state, &result, + get_global_sam_name(), False); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("Could not get domain info: %s\n", + nt_errstr(status))); + goto done; + } + + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + entry = ldap_first_entry(priv2ld(priv), result); + if (entry == NULL) { + DEBUG(0, ("Could not get domain info entry\n")); + status = NT_STATUS_INTERNAL_DB_CORRUPTION; + goto done; + } + + /* Find the largest of the three attributes "sambaNextRid", + "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the + concept of differentiating between user and group rids, and will + use only "sambaNextRid" in the future. But for compatibility + reasons I look if others have chosen different strategies -- VL */ + + value = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaNextRid", mem_ctx); + if (value != NULL) { + tmp = (uint32_t)smb_strtoul(value, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + goto done; + } + + nextRid = MAX(nextRid, tmp); + } + + value = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaNextUserRid", mem_ctx); + if (value != NULL) { + tmp = (uint32_t)smb_strtoul(value, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + goto done; + } + + nextRid = MAX(nextRid, tmp); + } + + value = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaNextGroupRid", mem_ctx); + if (value != NULL) { + tmp = (uint32_t)smb_strtoul(value, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + goto done; + } + + nextRid = MAX(nextRid, tmp); + } + + if (nextRid == 0) { + nextRid = BASE_RID-1; + } + + nextRid += 1; + + smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid", + talloc_asprintf(mem_ctx, "%d", nextRid)); + smbldap_talloc_autofree_ldapmod(mem_ctx, mods); + + if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = smbldap_modify(smbldap_state, dn, mods); + + /* ACCESS_DENIED is used as a placeholder for "the modify failed, + * please retry" */ + + status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; + + done: + if (NT_STATUS_IS_OK(status)) { + *rid = nextRid; + } + + TALLOC_FREE(mem_ctx); + return status; +} + +static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid) +{ + int i; + + for (i=0; i<10; i++) { + NTSTATUS result = ldapsam_get_new_rid( + (struct ldapsam_privates *)methods->private_data, rid); + if (NT_STATUS_IS_OK(result)) { + return result; + } + + if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) { + return result; + } + + /* The ldap update failed (maybe a race condition), retry */ + } + + /* Tried 10 times, fail. */ + return NT_STATUS_ACCESS_DENIED; +} + +static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid) +{ + NTSTATUS result = ldapsam_new_rid_internal(methods, rid); + return NT_STATUS_IS_OK(result) ? True : False; +} + +static bool ldapsam_sid_to_id(struct pdb_methods *methods, + const struct dom_sid *sid, + struct unixid *id) +{ + struct ldapsam_privates *priv = + (struct ldapsam_privates *)methods->private_data; + char *filter; + int error = 0; + struct dom_sid_buf buf; + const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber", + NULL }; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + bool ret = False; + char *value; + int rc; + + TALLOC_CTX *mem_ctx; + + ret = pdb_sid_to_id_unix_users_and_groups(sid, id); + if (ret == true) { + return true; + } + + mem_ctx = talloc_new(NULL); + if (mem_ctx == NULL) { + DEBUG(0, ("talloc_new failed\n")); + return False; + } + + filter = talloc_asprintf(mem_ctx, + "(&(sambaSid=%s)" + "(|(objectClass=%s)(objectClass=%s)))", + dom_sid_str_buf(sid, &buf), + LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT); + if (filter == NULL) { + DEBUG(5, ("talloc_asprintf failed\n")); + goto done; + } + + rc = smbldap_search_suffix(priv->smbldap_state, filter, + attrs, &result); + if (rc != LDAP_SUCCESS) { + goto done; + } + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + if (ldap_count_entries(priv2ld(priv), result) != 1) { + DEBUG(10, ("Got %d entries, expected one\n", + ldap_count_entries(priv2ld(priv), result))); + goto done; + } + + entry = ldap_first_entry(priv2ld(priv), result); + + value = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaGroupType", mem_ctx); + + if (value != NULL) { + const char *gid_str; + /* It's a group */ + + gid_str = smbldap_talloc_single_attribute( + priv2ld(priv), entry, "gidNumber", mem_ctx); + if (gid_str == NULL) { + DEBUG(1, ("%s has sambaGroupType but no gidNumber\n", + smbldap_talloc_dn(mem_ctx, priv2ld(priv), + entry))); + goto done; + } + + id->id = smb_strtoul(gid_str, + NULL, + 10, + &error, + SMB_STR_STANDARD); + if (error != 0) { + goto done; + } + + id->type = ID_TYPE_GID; + ret = True; + goto done; + } + + /* It must be a user */ + + value = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "uidNumber", mem_ctx); + if (value == NULL) { + DEBUG(1, ("Could not find uidNumber in %s\n", + smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry))); + goto done; + } + + id->id = smb_strtoul(value, NULL, 10, &error, SMB_STR_STANDARD); + if (error != 0) { + goto done; + } + + id->type = ID_TYPE_UID; + ret = True; + done: + TALLOC_FREE(mem_ctx); + return ret; +} + +/** + * Find the SID for a uid. + * This is shortcut is only used if ldapsam:trusted is set to true. + */ +static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid, + struct dom_sid *sid) +{ + struct ldapsam_privates *priv = + (struct ldapsam_privates *)methods->private_data; + char *filter; + const char *attrs[] = { "sambaSID", NULL }; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + bool ret = false; + char *user_sid_string; + struct dom_sid user_sid; + int rc; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + + filter = talloc_asprintf(tmp_ctx, + "(&(uidNumber=%u)" + "(objectClass=%s)" + "(objectClass=%s))", + (unsigned int)uid, + LDAP_OBJ_POSIXACCOUNT, + LDAP_OBJ_SAMBASAMACCOUNT); + if (filter == NULL) { + DEBUG(3, ("talloc_asprintf failed\n")); + goto done; + } + + rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result); + if (rc != LDAP_SUCCESS) { + goto done; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + if (ldap_count_entries(priv2ld(priv), result) != 1) { + DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n", + ldap_count_entries(priv2ld(priv), result), + (unsigned int)uid)); + goto done; + } + + entry = ldap_first_entry(priv2ld(priv), result); + + user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaSID", tmp_ctx); + if (user_sid_string == NULL) { + DEBUG(1, ("Could not find sambaSID in object '%s'\n", + smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry))); + goto done; + } + + if (!string_to_sid(&user_sid, user_sid_string)) { + DEBUG(3, ("Error calling string_to_sid for sid '%s'\n", + user_sid_string)); + goto done; + } + + sid_copy(sid, &user_sid); + + ret = true; + + done: + TALLOC_FREE(tmp_ctx); + return ret; +} + +/** + * Find the SID for a gid. + * This is shortcut is only used if ldapsam:trusted is set to true. + */ +static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid, + struct dom_sid *sid) +{ + struct ldapsam_privates *priv = + (struct ldapsam_privates *)methods->private_data; + char *filter; + const char *attrs[] = { "sambaSID", NULL }; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + bool ret = false; + char *group_sid_string; + struct dom_sid group_sid; + int rc; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + + filter = talloc_asprintf(tmp_ctx, + "(&(gidNumber=%u)" + "(objectClass=%s))", + (unsigned int)gid, + LDAP_OBJ_GROUPMAP); + if (filter == NULL) { + DEBUG(3, ("talloc_asprintf failed\n")); + goto done; + } + + rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result); + if (rc != LDAP_SUCCESS) { + goto done; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + if (ldap_count_entries(priv2ld(priv), result) != 1) { + DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n", + ldap_count_entries(priv2ld(priv), result), + (unsigned int)gid)); + goto done; + } + + entry = ldap_first_entry(priv2ld(priv), result); + + group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry, + "sambaSID", tmp_ctx); + if (group_sid_string == NULL) { + DEBUG(1, ("Could not find sambaSID in object '%s'\n", + smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry))); + goto done; + } + + if (!string_to_sid(&group_sid, group_sid_string)) { + DEBUG(3, ("Error calling string_to_sid for sid '%s'\n", + group_sid_string)); + goto done; + } + + sid_copy(sid, &group_sid); + + ret = true; + + done: + TALLOC_FREE(tmp_ctx); + return ret; +} + +static bool ldapsam_id_to_sid(struct pdb_methods *methods, struct unixid *id, + struct dom_sid *sid) +{ + switch (id->type) { + case ID_TYPE_UID: + return ldapsam_uid_to_sid(methods, id->id, sid); + + case ID_TYPE_GID: + return ldapsam_gid_to_sid(methods, id->id, sid); + + default: + return false; + } +} + + +/* + * The following functions are called only if + * ldapsam:trusted and ldapsam:editposix are + * set to true + */ + +/* + * ldapsam_create_user creates a new + * posixAccount and sambaSamAccount object + * in the ldap users subtree + * + * The uid is allocated by winbindd. + */ + +static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, const char *name, + uint32_t acb_info, uint32_t *rid) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *entry = NULL; + LDAPMessage *result = NULL; + uint32_t num_result; + bool is_machine = False; + bool add_posix = False; + bool init_okay = False; + LDAPMod **mods = NULL; + struct samu *user; + char *filter; + char *username; + char *homedir; + char *gidstr; + char *uidstr; + char *shell; + const char *dn = NULL; + struct dom_sid group_sid; + struct dom_sid user_sid; + gid_t gid = -1; + uid_t uid = -1; + NTSTATUS ret; + int rc; + + if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') || + acb_info & ACB_WSTRUST || + acb_info & ACB_SVRTRUST || + acb_info & ACB_DOMTRUST) { + is_machine = True; + } + + username = escape_ldap_string(talloc_tos(), name); + filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))", + username, LDAP_OBJ_POSIXACCOUNT); + TALLOC_FREE(username); + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_create_user: ldap search failed!\n")); + return NT_STATUS_ACCESS_DENIED; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result > 1) { + DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name)); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + if (num_result == 1) { + char *tmp; + /* check if it is just a posix account. + * or if there is a sid attached to this entry + */ + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx); + if (tmp) { + DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name)); + return NT_STATUS_USER_EXISTS; + } + + /* it is just a posix account, retrieve the dn for later use */ + dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_create_user: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + } + + if (num_result == 0) { + add_posix = True; + } + + /* Create the basic samu structure and generate the mods for the ldap commit */ + if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) { + DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n")); + return ret; + } + + sid_compose(&user_sid, get_global_sam_sid(), *rid); + + user = samu_new(tmp_ctx); + if (!user) { + DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n")); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_username(user, name, PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + if (is_machine) { + if (acb_info & ACB_NORMAL) { + if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + } else { + if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + } + } else { + if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + } + + if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + init_okay = init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed); + + if (!init_okay) { + DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); + ldap_mods_free(mods, true); + return NT_STATUS_UNSUCCESSFUL; + } + + if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) { + DEBUG(1,("ldapsam_create_user: Unsupported schema version\n")); + } + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT); + + if (add_posix) { + char *escape_name; + + DEBUG(3,("ldapsam_create_user: Creating new posix user\n")); + + /* retrieve the Domain Users group gid */ + if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) || + !sid_to_gid(&group_sid, &gid)) { + DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n")); + ldap_mods_free(mods, true); + return NT_STATUS_INVALID_PRIMARY_GROUP; + } + + /* lets allocate a new userid for this user */ + if (!winbind_allocate_uid(&uid)) { + DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n")); + ldap_mods_free(mods, true); + return NT_STATUS_UNSUCCESSFUL; + } + + + if (is_machine) { + /* TODO: choose a more appropriate default for machines */ + homedir = talloc_sub_specified(tmp_ctx, + lp_template_homedir(), + "SMB_workstations_home", + NULL, + ldap_state->domain_name, + uid, + gid); + shell = talloc_strdup(tmp_ctx, "/bin/false"); + } else { + homedir = talloc_sub_specified(tmp_ctx, + lp_template_homedir(), + name, + NULL, + ldap_state->domain_name, + uid, + gid); + shell = talloc_sub_specified(tmp_ctx, + lp_template_shell(), + name, + NULL, + ldap_state->domain_name, + uid, + gid); + } + uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid); + gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid); + + escape_name = escape_rdn_val_string_alloc(name); + if (!escape_name) { + DEBUG (0, ("ldapsam_create_user: Out of memory!\n")); + ldap_mods_free(mods, true); + return NT_STATUS_NO_MEMORY; + } + + if (is_machine) { + dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos())); + } else { + dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos())); + } + + SAFE_FREE(escape_name); + + if (!homedir || !shell || !uidstr || !gidstr || !dn) { + DEBUG (0, ("ldapsam_create_user: Out of memory!\n")); + ldap_mods_free(mods, true); + return NT_STATUS_NO_MEMORY; + } + + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell); + } + + if (add_posix) { + rc = smbldap_add(ldap_state->smbldap_state, dn, mods); + } else { + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + } + + ldap_mods_free(mods, true); + + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn)); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name)); + + flush_pwnam_cache(); + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int num_result; + const char *dn; + char *filter; + int rc; + + DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct))); + + filter = talloc_asprintf(tmp_ctx, + "(&(uid=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + pdb_get_username(sam_acct), + LDAP_OBJ_POSIXACCOUNT, + LDAP_OBJ_SAMBASAMACCOUNT); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_delete_user: user search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result == 0) { + DEBUG(0,("ldapsam_delete_user: user not found!\n")); + return NT_STATUS_NO_SUCH_USER; + } + + if (num_result > 1) { + DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct))); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* it is just a posix account, retrieve the dn for later use */ + dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_delete_user: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + /* try to remove memberships first */ + { + NTSTATUS status; + struct dom_sid *sids = NULL; + gid_t *gids = NULL; + uint32_t num_groups = 0; + int i; + uint32_t user_rid = pdb_get_user_rid(sam_acct); + + status = ldapsam_enum_group_memberships(my_methods, + tmp_ctx, + sam_acct, + &sids, + &gids, + &num_groups); + if (!NT_STATUS_IS_OK(status)) { + goto delete_dn; + } + + for (i=0; i < num_groups; i++) { + + uint32_t group_rid; + + sid_peek_rid(&sids[i], &group_rid); + + ldapsam_del_groupmem(my_methods, + tmp_ctx, + group_rid, + user_rid); + } + } + + delete_dn: + + rc = smbldap_delete(ldap_state->smbldap_state, dn); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + + flush_pwnam_cache(); + + return NT_STATUS_OK; +} + +/* + * ldapsam_create_group creates a new + * posixGroup and sambaGroupMapping object + * in the ldap groups subtree + * + * The gid is allocated by winbindd. + */ + +static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, + const char *name, + uint32_t *rid) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + NTSTATUS ret; + LDAPMessage *entry = NULL; + LDAPMessage *result = NULL; + uint32_t num_result; + bool is_new_entry = False; + LDAPMod **mods = NULL; + char *filter; + char *groupname; + char *grouptype; + char *gidstr; + const char *dn = NULL; + struct dom_sid group_sid; + struct dom_sid_buf buf; + gid_t gid = -1; + int rc; + int error = 0; + + groupname = escape_ldap_string(talloc_tos(), name); + filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))", + groupname, LDAP_OBJ_POSIXGROUP); + TALLOC_FREE(groupname); + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_create_group: ldap search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result > 1) { + DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name)); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + if (num_result == 1) { + char *tmp; + /* check if it is just a posix group. + * or if there is a sid attached to this entry + */ + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx); + if (tmp) { + DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name)); + return NT_STATUS_GROUP_EXISTS; + } + + /* it is just a posix group, retrieve the gid and the dn for later use */ + tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); + if (!tmp) { + DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name)); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + gid = smb_strtoul(tmp, NULL, 10, &error, SMB_STR_STANDARD); + if (error != 0) { + DBG_ERR("Failed to convert gidNumber\n"); + return NT_STATUS_UNSUCCESSFUL; + } + + dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_create_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + } + + if (num_result == 0) { + is_new_entry = true; + } + + if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) { + DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n")); + return ret; + } + + sid_compose(&group_sid, get_global_sam_sid(), *rid); + + grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP); + + if (!grouptype) { + DEBUG(0,("ldapsam_create_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP); + smbldap_set_mod(&mods, + LDAP_MOD_ADD, + "sambaSid", + dom_sid_str_buf(&group_sid, &buf)); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name); + + if (is_new_entry) { + char *escape_name; + + DEBUG(3,("ldapsam_create_user: Creating new posix group\n")); + + /* lets allocate a new groupid for this group */ + if (!winbind_allocate_gid(&gid)) { + DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid); + + escape_name = escape_rdn_val_string_alloc(name); + if (!escape_name) { + DEBUG (0, ("ldapsam_create_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos())); + + SAFE_FREE(escape_name); + + if (!gidstr || !dn) { + DEBUG (0, ("ldapsam_create_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name); + smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr); + } + + smbldap_talloc_autofree_ldapmod(tmp_ctx, mods); + + if (is_new_entry) { + rc = smbldap_add(ldap_state->smbldap_state, dn, mods); +#if 0 + if (rc == LDAP_OBJECT_CLASS_VIOLATION) { + /* This call may fail with rfc2307bis schema */ + /* Retry adding a structural class */ + smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????"); + rc = smbldap_add(ldap_state->smbldap_state, dn, mods); + } +#endif + } else { + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + } + + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn)); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name)); + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + int num_result; + const char *dn; + char *gidstr; + char *filter; + struct dom_sid group_sid; + struct dom_sid_buf buf; + int rc; + + /* get the group sid */ + sid_compose(&group_sid, get_global_sam_sid(), rid); + + filter = talloc_asprintf(tmp_ctx, + "(&(sambaSID=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + dom_sid_str_buf(&group_sid, &buf), + LDAP_OBJ_POSIXGROUP, + LDAP_OBJ_GROUPMAP); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result == 0) { + DEBUG(1,("ldapsam_delete_dom_group: group not found!\n")); + return NT_STATUS_NO_SUCH_GROUP; + } + + if (num_result > 1) { + DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* here it is, retrieve the dn for later use */ + dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); + if (!gidstr) { + DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + /* check no user have this group marked as primary group */ + filter = talloc_asprintf(tmp_ctx, + "(&(gidNumber=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + gidstr, + LDAP_OBJ_POSIXACCOUNT, + LDAP_OBJ_SAMBASAMACCOUNT); + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result != 0) { + DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result)); + return NT_STATUS_MEMBERS_PRIMARY_GROUP; + } + + rc = smbldap_delete(ldap_state->smbldap_state, dn); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, + uint32_t group_rid, + uint32_t member_rid, + int modop) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *entry = NULL; + LDAPMessage *result = NULL; + uint32_t num_result; + LDAPMod **mods = NULL; + char *filter; + char *uidstr; + const char *dn = NULL; + struct dom_sid group_sid; + struct dom_sid member_sid; + struct dom_sid_buf buf; + int rc; + int error = 0; + + switch (modop) { + case LDAP_MOD_ADD: + DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid)); + break; + case LDAP_MOD_DELETE: + DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid)); + break; + default: + return NT_STATUS_UNSUCCESSFUL; + } + + /* get member sid */ + sid_compose(&member_sid, get_global_sam_sid(), member_rid); + + /* get the group sid */ + sid_compose(&group_sid, get_global_sam_sid(), group_rid); + + filter = talloc_asprintf(tmp_ctx, + "(&(sambaSID=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + dom_sid_str_buf(&member_sid, &buf), + LDAP_OBJ_POSIXACCOUNT, + LDAP_OBJ_SAMBASAMACCOUNT); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + /* get the member uid */ + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(1,("ldapsam_change_groupmem: member search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result == 0) { + DEBUG(1,("ldapsam_change_groupmem: member not found!\n")); + return NT_STATUS_NO_SUCH_MEMBER; + } + + if (num_result > 1) { + DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + if (modop == LDAP_MOD_DELETE) { + /* check if we are trying to remove the member from his primary group */ + char *gidstr; + gid_t user_gid, group_gid; + + gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); + if (!gidstr) { + DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + user_gid = smb_strtoul(gidstr, NULL, 10, &error, SMB_STR_STANDARD); + if (error != 0) { + DBG_ERR("Failed to convert user gid\n"); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!sid_to_gid(&group_sid, &group_gid)) { + DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + if (user_gid == group_gid) { + DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n")); + return NT_STATUS_MEMBERS_PRIMARY_GROUP; + } + } + + /* here it is, retrieve the uid for later use */ + uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx); + if (!uidstr) { + DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + filter = talloc_asprintf(tmp_ctx, + "(&(sambaSID=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + dom_sid_str_buf(&group_sid, &buf), + LDAP_OBJ_POSIXGROUP, + LDAP_OBJ_GROUPMAP); + + /* get the group */ + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(1,("ldapsam_change_groupmem: group search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(tmp_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result == 0) { + DEBUG(1,("ldapsam_change_groupmem: group not found!\n")); + return NT_STATUS_NO_SUCH_GROUP; + } + + if (num_result > 1) { + DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* here it is, retrieve the dn for later use */ + dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + smbldap_set_mod(&mods, modop, "memberUid", uidstr); + + smbldap_talloc_autofree_ldapmod(tmp_ctx, mods); + + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + if (rc != LDAP_SUCCESS) { + if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) { + DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n")); + return NT_STATUS_MEMBER_IN_GROUP; + } + if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) { + DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n")); + return NT_STATUS_MEMBER_NOT_IN_GROUP; + } + return NT_STATUS_UNSUCCESSFUL; + } + + return NT_STATUS_OK; +} + +static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, + uint32_t group_rid, + uint32_t member_rid) +{ + return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD); +} +static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods, + TALLOC_CTX *tmp_ctx, + uint32_t group_rid, + uint32_t member_rid) +{ + return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE); +} + +static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods, + TALLOC_CTX *mem_ctx, + struct samu *sampass) +{ + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; + LDAPMessage *entry = NULL; + LDAPMessage *result = NULL; + uint32_t num_result; + LDAPMod **mods = NULL; + char *filter; + char *escape_username; + char *gidstr; + char *dn = NULL; + gid_t gid; + int rc; + + DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass))); + + if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) { + DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid); + if (!gidstr) { + DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + escape_username = escape_ldap_string(talloc_tos(), + pdb_get_username(sampass)); + if (escape_username== NULL) { + return NT_STATUS_NO_MEMORY; + } + + filter = talloc_asprintf(mem_ctx, + "(&(uid=%s)" + "(objectClass=%s)" + "(objectClass=%s))", + escape_username, + LDAP_OBJ_POSIXACCOUNT, + LDAP_OBJ_SAMBASAMACCOUNT); + + TALLOC_FREE(escape_username); + + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_set_primary_group: user search failed!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result == 0) { + DEBUG(0,("ldapsam_set_primary_group: user not found!\n")); + return NT_STATUS_NO_SUCH_USER; + } + + if (num_result > 1) { + DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass))); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + entry = ldap_first_entry(priv2ld(ldap_state), result); + if (!entry) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* retrieve the dn for later use */ + dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry); + if (!dn) { + DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n")); + return NT_STATUS_NO_MEMORY; + } + + /* remove the old one, and add the new one, this way we do not risk races */ + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr); + + if (mods == NULL) { + TALLOC_FREE(dn); + return NT_STATUS_OK; + } + + rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); + TALLOC_FREE(dn); + if (rc != LDAP_SUCCESS) { + DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n", + pdb_get_username(sampass), gidstr)); + return NT_STATUS_UNSUCCESSFUL; + } + + flush_pwnam_cache(); + + return NT_STATUS_OK; +} + + +/********************************************************************** + trusted domains functions + *********************************************************************/ + +static char *trusteddom_dn(struct ldapsam_privates *ldap_state, + const char *domain) +{ + return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain, + ldap_state->domain_dn); +} + +static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state, + TALLOC_CTX *mem_ctx, + const char *domain, LDAPMessage **entry) +{ + int rc; + char *filter; + int scope = LDAP_SCOPE_SUBTREE; + const char **attrs = NULL; /* NULL: get all attrs */ + int attrsonly = 0; /* 0: return values too */ + LDAPMessage *result = NULL; + char *trusted_dn; + uint32_t num_result; + + filter = talloc_asprintf(talloc_tos(), + "(&(objectClass=%s)(sambaDomainName=%s))", + LDAP_OBJ_TRUSTDOM_PASSWORD, domain); + + trusted_dn = trusteddom_dn(ldap_state, domain); + if (trusted_dn == NULL) { + return False; + } + rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope, + filter, attrs, attrsonly, &result); + + if (result != NULL) { + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + } + + if (rc == LDAP_NO_SUCH_OBJECT) { + *entry = NULL; + return True; + } + + if (rc != LDAP_SUCCESS) { + return False; + } + + num_result = ldap_count_entries(priv2ld(ldap_state), result); + + if (num_result > 1) { + DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one " + "%s object for domain '%s'?!\n", + LDAP_OBJ_TRUSTDOM_PASSWORD, domain)); + return False; + } + + if (num_result == 0) { + DEBUG(1, ("ldapsam_get_trusteddom_pw: no " + "%s object for domain %s.\n", + LDAP_OBJ_TRUSTDOM_PASSWORD, domain)); + *entry = NULL; + } else { + *entry = ldap_first_entry(priv2ld(ldap_state), result); + } + + return True; +} + +static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods, + const char *domain, + char** pwd, + struct dom_sid *sid, + time_t *pass_last_set_time) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *entry = NULL; + + DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain)); + + if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) || + (entry == NULL)) + { + return False; + } + + /* password */ + if (pwd != NULL) { + char *pwd_str; + pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state), + entry, "sambaClearTextPassword", talloc_tos()); + if (pwd_str == NULL) { + return False; + } + /* trusteddom_pw routines do not use talloc yet... */ + *pwd = SMB_STRDUP(pwd_str); + if (*pwd == NULL) { + return False; + } + } + + /* last change time */ + if (pass_last_set_time != NULL) { + char *time_str; + time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state), + entry, "sambaPwdLastSet", talloc_tos()); + if (time_str == NULL) { + return False; + } + *pass_last_set_time = (time_t)atol(time_str); + } + + /* domain sid */ + if (sid != NULL) { + char *sid_str; + struct dom_sid dom_sid; + sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state), + entry, "sambaSID", + talloc_tos()); + if (sid_str == NULL) { + return False; + } + if (!string_to_sid(&dom_sid, sid_str)) { + return False; + } + sid_copy(sid, &dom_sid); + } + + return True; +} + +static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods, + const char* domain, + const char* pwd, + const struct dom_sid *sid) +{ + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *entry = NULL; + LDAPMod **mods = NULL; + char *prev_pwd = NULL; + char *trusted_dn = NULL; + struct dom_sid_buf buf; + int rc; + + DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain)); + + /* + * get the current entry (if there is one) in order to put the + * current password into the previous password attribute + */ + if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) { + return False; + } + + mods = NULL; + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass", + LDAP_OBJ_TRUSTDOM_PASSWORD); + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName", + domain); + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID", + dom_sid_str_buf(sid, &buf)); + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet", + talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL))); + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, + "sambaClearTextPassword", pwd); + + if (entry != NULL) { + prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state), + entry, "sambaClearTextPassword", talloc_tos()); + if (prev_pwd != NULL) { + smbldap_make_mod(priv2ld(ldap_state), entry, &mods, + "sambaPreviousClearTextPassword", + prev_pwd); + } + } + + smbldap_talloc_autofree_ldapmod(talloc_tos(), mods); + + trusted_dn = trusteddom_dn(ldap_state, domain); + if (trusted_dn == NULL) { + return False; + } + if (entry == NULL) { + rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods); + } else { + rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods); + } + + if (rc != LDAP_SUCCESS) { + DEBUG(1, ("error writing trusted domain password!\n")); + return False; + } + + return True; +} + +static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods, + const char *domain) +{ + int rc; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + LDAPMessage *entry = NULL; + const char *trusted_dn; + + if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) { + return False; + } + + if (entry == NULL) { + DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: " + "%s\n", domain)); + return True; + } + + trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state), + entry); + if (trusted_dn == NULL) { + DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n")); + return False; + } + + rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn); + if (rc != LDAP_SUCCESS) { + return False; + } + + return True; +} + +static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods, + TALLOC_CTX *mem_ctx, + uint32_t *num_domains, + struct trustdom_info ***domains) +{ + int rc; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; + char *filter; + int scope = LDAP_SCOPE_SUBTREE; + const char *attrs[] = { "sambaDomainName", "sambaSID", NULL }; + int attrsonly = 0; /* 0: return values too */ + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + + filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", + LDAP_OBJ_TRUSTDOM_PASSWORD); + + rc = smbldap_search(ldap_state->smbldap_state, + ldap_state->domain_dn, + scope, + filter, + attrs, + attrsonly, + &result); + + if (result != NULL) { + smbldap_talloc_autofree_ldapmsg(mem_ctx, result); + } + + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + + *num_domains = 0; + if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) { + DEBUG(1, ("talloc failed\n")); + return NT_STATUS_NO_MEMORY; + } + + for (entry = ldap_first_entry(priv2ld(ldap_state), result); + entry != NULL; + entry = ldap_next_entry(priv2ld(ldap_state), entry)) + { + char *dom_name, *dom_sid_str; + struct trustdom_info *dom_info; + + dom_info = talloc(*domains, struct trustdom_info); + if (dom_info == NULL) { + DEBUG(1, ("talloc failed\n")); + return NT_STATUS_NO_MEMORY; + } + + dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state), + entry, + "sambaDomainName", + talloc_tos()); + if (dom_name == NULL) { + DEBUG(1, ("talloc failed\n")); + return NT_STATUS_NO_MEMORY; + } + dom_info->name = dom_name; + + dom_sid_str = smbldap_talloc_single_attribute( + priv2ld(ldap_state), entry, "sambaSID", + talloc_tos()); + if (dom_sid_str == NULL) { + DEBUG(1, ("talloc failed\n")); + return NT_STATUS_NO_MEMORY; + } + if (!string_to_sid(&dom_info->sid, dom_sid_str)) { + DEBUG(1, ("Error calling string_to_sid on SID %s\n", + dom_sid_str)); + return NT_STATUS_UNSUCCESSFUL; + } + + ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info, + domains, num_domains); + + if (*domains == NULL) { + DEBUG(1, ("talloc failed\n")); + return NT_STATUS_NO_MEMORY; + } + } + + DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains)); + return NT_STATUS_OK; +} + + +/********************************************************************** + Housekeeping + *********************************************************************/ + +static void free_private_data(void **vp) +{ + struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp; + + smbldap_free_struct(&(*ldap_state)->smbldap_state); + + if ((*ldap_state)->result != NULL) { + ldap_msgfree((*ldap_state)->result); + (*ldap_state)->result = NULL; + } + if ((*ldap_state)->domain_dn != NULL) { + SAFE_FREE((*ldap_state)->domain_dn); + } + + *ldap_state = NULL; + + /* No need to free any further, as it is talloc()ed */ +} + +/********************************************************************* + Intitalise the parts of the pdb_methods structure that are common to + all pdb_ldap modes +*********************************************************************/ + +static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct ldapsam_privates *ldap_state; + char *bind_dn = NULL; + char *bind_secret = NULL; + + if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) { + return nt_status; + } + + (*pdb_method)->name = "ldapsam"; + + (*pdb_method)->getsampwnam = ldapsam_getsampwnam; + (*pdb_method)->getsampwsid = ldapsam_getsampwsid; + (*pdb_method)->add_sam_account = ldapsam_add_sam_account; + (*pdb_method)->update_sam_account = ldapsam_update_sam_account; + (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account; + (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account; + + (*pdb_method)->getgrsid = ldapsam_getgrsid; + (*pdb_method)->getgrgid = ldapsam_getgrgid; + (*pdb_method)->getgrnam = ldapsam_getgrnam; + (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry; + (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry; + (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry; + (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping; + + (*pdb_method)->get_account_policy = ldapsam_get_account_policy; + (*pdb_method)->set_account_policy = ldapsam_set_account_policy; + + (*pdb_method)->get_seq_num = ldapsam_get_seq_num; + + (*pdb_method)->capabilities = ldapsam_capabilities; + (*pdb_method)->new_rid = ldapsam_new_rid; + + (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw; + (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw; + (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw; + (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms; + + /* TODO: Setup private data and free */ + + if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) { + DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n")); + return NT_STATUS_NO_MEMORY; + } + + if (!fetch_ldap_pw(&bind_dn, &bind_secret)) { + DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n")); + return NT_STATUS_NO_MEMORY; + } + + nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(), + location, false, bind_dn, bind_secret, + &ldap_state->smbldap_state); + memset(bind_secret, '\0', strlen(bind_secret)); + SAFE_FREE(bind_secret); + SAFE_FREE(bind_dn); + if ( !NT_STATUS_IS_OK(nt_status) ) { + return nt_status; + } + + if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) { + return NT_STATUS_NO_MEMORY; + } + + (*pdb_method)->private_data = ldap_state; + + (*pdb_method)->free_private_data = free_private_data; + + return NT_STATUS_OK; +} + +static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m) +{ + return true; +} + +/********************************************************************** + Initialise the normal mode for pdb_ldap + *********************************************************************/ + +NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method, + const char *location) +{ + NTSTATUS nt_status; + struct ldapsam_privates *ldap_state = NULL; + uint32_t alg_rid_base; + char *alg_rid_base_string = NULL; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + struct dom_sid ldap_domain_sid; + struct dom_sid secrets_domain_sid; + char *domain_sid_string = NULL; + char *dn = NULL; + char *uri = talloc_strdup( NULL, location ); + + trim_char( uri, '\"', '\"' ); + nt_status = pdb_init_ldapsam_common(pdb_method, uri); + + TALLOC_FREE(uri); + + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + + (*pdb_method)->name = "ldapsam"; + + (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem; + (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem; + (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem; + (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships; + (*pdb_method)->search_users = ldapsam_search_users; + (*pdb_method)->search_groups = ldapsam_search_groups; + (*pdb_method)->search_aliases = ldapsam_search_aliases; + (*pdb_method)->is_responsible_for_wellknown = + ldapsam_is_responsible_for_wellknown; + + if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { + (*pdb_method)->enum_group_members = ldapsam_enum_group_members; + (*pdb_method)->enum_group_memberships = + ldapsam_enum_group_memberships; + (*pdb_method)->lookup_rids = ldapsam_lookup_rids; + (*pdb_method)->sid_to_id = ldapsam_sid_to_id; + (*pdb_method)->id_to_sid = ldapsam_id_to_sid; + + if (lp_parm_bool(-1, "ldapsam", "editposix", False)) { + (*pdb_method)->create_user = ldapsam_create_user; + (*pdb_method)->delete_user = ldapsam_delete_user; + (*pdb_method)->create_dom_group = ldapsam_create_dom_group; + (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group; + (*pdb_method)->add_groupmem = ldapsam_add_groupmem; + (*pdb_method)->del_groupmem = ldapsam_del_groupmem; + (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group; + } + } + + ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data); + ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT; + + /* Try to setup the Domain Name, Domain SID, algorithmic rid base */ + + nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, + &result, + ldap_state->domain_name, True); + + if ( !NT_STATUS_IS_OK(nt_status) ) { + DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain " + "info, nor add one to the domain. " + "We cannot work reliably without it.\n")); + return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; + } + + /* Given that the above might fail, everything below this must be + * optional */ + + entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state), + result); + if (!entry) { + DEBUG(0, ("pdb_init_ldapsam: Could not get domain info " + "entry\n")); + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + dn = smbldap_talloc_dn(talloc_tos(), + smbldap_get_ldap(ldap_state->smbldap_state), + entry); + if (!dn) { + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + ldap_state->domain_dn = smb_xstrdup(dn); + TALLOC_FREE(dn); + + domain_sid_string = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_userattr_key2string(ldap_state->schema_ver, + LDAP_ATTR_USER_SID), + talloc_tos()); + + if (domain_sid_string) { + bool found_sid; + if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) { + DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be " + "read as a valid SID\n", domain_sid_string)); + ldap_msgfree(result); + TALLOC_FREE(domain_sid_string); + return NT_STATUS_INVALID_PARAMETER; + } + found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name, + &secrets_domain_sid); + if (!found_sid || !dom_sid_equal(&secrets_domain_sid, + &ldap_domain_sid)) { + struct dom_sid_buf buf1, buf2; + DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain " + "%s based on pdb_ldap results %s -> %s\n", + ldap_state->domain_name, + dom_sid_str_buf(&secrets_domain_sid, &buf1), + dom_sid_str_buf(&ldap_domain_sid, &buf2))); + + /* reset secrets.tdb sid */ + PDB_secrets_store_domain_sid(ldap_state->domain_name, + &ldap_domain_sid); + DEBUG(1, ("New global sam SID: %s\n", + dom_sid_str_buf(get_global_sam_sid(), + &buf1))); + } + sid_copy(&ldap_state->domain_sid, &ldap_domain_sid); + TALLOC_FREE(domain_sid_string); + } + + alg_rid_base_string = smbldap_talloc_single_attribute( + smbldap_get_ldap(ldap_state->smbldap_state), + entry, + get_attr_key2string( dominfo_attr_list, + LDAP_ATTR_ALGORITHMIC_RID_BASE ), + talloc_tos()); + if (alg_rid_base_string) { + alg_rid_base = (uint32_t)atol(alg_rid_base_string); + if (alg_rid_base != algorithmic_rid_base()) { + DEBUG(0, ("The value of 'algorithmic RID base' has " + "changed since the LDAP\n" + "database was initialised. Aborting. \n")); + ldap_msgfree(result); + TALLOC_FREE(alg_rid_base_string); + return NT_STATUS_UNSUCCESSFUL; + } + TALLOC_FREE(alg_rid_base_string); + } + ldap_msgfree(result); + + return NT_STATUS_OK; +} + +NTSTATUS pdb_ldapsam_init(TALLOC_CTX *ctx) +{ + NTSTATUS nt_status; + + nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, + "ldapsam", + pdb_ldapsam_init_common); + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + + /* Let pdb_nds register backends */ + pdb_nds_init(ctx); + + return NT_STATUS_OK; +} |