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-rw-r--r--source3/passdb/pdb_ldap.c6822
1 files changed, 6822 insertions, 0 deletions
diff --git a/source3/passdb/pdb_ldap.c b/source3/passdb/pdb_ldap.c
new file mode 100644
index 0000000..ed5c3e9
--- /dev/null
+++ b/source3/passdb/pdb_ldap.c
@@ -0,0 +1,6822 @@
+/*
+ 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 schema 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;
+
+ /* Unfortunately 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 password 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="LDAP_OBJ_POSIXGROUP")"
+ "(objectClass="LDAP_OBJ_GROUPMAP")"
+ "(sambaSID=%s))",
+ 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_strdup(mem_ctx, "(&(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")(|");
+
+ 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="LDAP_OBJ_SAMBASAMACCOUNT")(uid=%s))",
+ 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="LDAP_OBJ_POSIXGROUP")(|(memberUid=%s)(gidNumber=%u)))",
+ 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="LDAP_OBJ_POSIXGROUP")(gidNumber=%u))",
+ (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="LDAP_OBJ_GROUPMAP")"
+ "(sambaSid=%s)(gidNumber=%u)"
+ "(sambaGroupType=%d))",
+ 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="LDAP_OBJ_GROUPMAP")("LDAP_ATTRIBUTE_SID"=%s))",
+ 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;
+ const char *filter = NULL;
+ int rc;
+ const char **attr_list;
+
+ filter = "(objectclass="LDAP_OBJ_GROUPMAP")";
+ 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;
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ 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="LDAP_OBJ_GROUPMAP")(sambaGroupType=%d)(|",
+ 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;
+ const 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 = "(objectClass="LDAP_OBJ_DOMINFO")";
+ rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
+ LDAP_SCOPE_BASE, filter, attrs, 0,
+ &result);
+ 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="LDAP_OBJ_SAMBASAMACCOUNT")(|%s))"),
+ 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="LDAP_OBJ_GROUPMAP")(|%s))",
+ 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\n",
+ 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\n",
+ 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\n",
+ 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\n", 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\n",
+ 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\n",
+ 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="LDAP_OBJ_GROUPMAP")"
+ "(sambaGroupType=%d)(sambaSID=%s*))",
+ 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="LDAP_OBJ_GROUPMAP")(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")))",
+ dom_sid_str_buf(sid, &buf));
+ 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="LDAP_OBJ_POSIXACCOUNT")"
+ "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
+ (unsigned int)uid);
+ 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="LDAP_OBJ_GROUPMAP"))",
+ (unsigned int)gid);
+ 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="LDAP_OBJ_POSIXACCOUNT"))",
+ username);
+ 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="LDAP_OBJ_POSIXACCOUNT")"
+ "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
+ pdb_get_username(sam_acct));
+ 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;
+ const 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="LDAP_OBJ_POSIXGROUP"))",
+ groupname);
+ 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="LDAP_OBJ_POSIXGROUP")"
+ "(objectClass="LDAP_OBJ_GROUPMAP"))",
+ dom_sid_str_buf(&group_sid, &buf));
+ 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="LDAP_OBJ_POSIXACCOUNT")"
+ "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
+ gidstr);
+
+ 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)\n", member_rid, group_rid));
+ break;
+ case LDAP_MOD_DELETE:
+ DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)\n", 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="LDAP_OBJ_POSIXACCOUNT")"
+ "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
+ dom_sid_str_buf(&member_sid, &buf));
+ 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="LDAP_OBJ_POSIXGROUP")"
+ "(objectClass="LDAP_OBJ_GROUPMAP"))",
+ dom_sid_str_buf(&group_sid, &buf));
+
+ /* 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="LDAP_OBJ_POSIXACCOUNT")"
+ "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
+ escape_username);
+
+ 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="LDAP_OBJ_TRUSTDOM_PASSWORD")(sambaDomainName=%s))",
+ 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;
+ const 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 = "(objectClass="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 */
+}
+
+/*********************************************************************
+ Initialise 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);
+ BURN_FREE_STR(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;
+}