diff options
Diffstat (limited to 'source4/kdc/sdb_to_hdb.c')
| -rw-r--r-- | source4/kdc/sdb_to_hdb.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/source4/kdc/sdb_to_hdb.c b/source4/kdc/sdb_to_hdb.c new file mode 100644 index 0000000..06e20ae --- /dev/null +++ b/source4/kdc/sdb_to_hdb.c @@ -0,0 +1,323 @@ +/* + Unix SMB/CIFS implementation. + + Database Glue between Samba and the KDC + + Copyright (C) Guenther Deschner <gd@samba.org> 2014 + Copyright (C) Andreas Schneider <asn@samba.org> 2014 + + 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/>. +*/ + +#include "includes.h" +#include <hdb.h> +#include "sdb.h" +#include "sdb_hdb.h" +#include "lib/krb5_wrap/krb5_samba.h" +#include "librpc/gen_ndr/security.h" +#include "kdc/samba_kdc.h" + +static void sdb_flags_to_hdb_flags(const struct SDBFlags *s, + HDBFlags *h) +{ + SMB_ASSERT(sizeof(struct SDBFlags) == sizeof(HDBFlags)); + + h->initial = s->initial; + h->forwardable = s->forwardable; + h->proxiable = s->proxiable; + h->renewable = s->renewable; + h->postdate = s->postdate; + h->server = s->server; + h->client = s->client; + h->invalid = s->invalid; + h->require_preauth = s->require_preauth; + h->change_pw = s->change_pw; + h->require_hwauth = s->require_hwauth; + h->ok_as_delegate = s->ok_as_delegate; + h->user_to_user = s->user_to_user; + h->immutable = s->immutable; + h->trusted_for_delegation = s->trusted_for_delegation; + h->allow_kerberos4 = s->allow_kerberos4; + h->allow_digest = s->allow_digest; + h->locked_out = s->locked_out; + h->require_pwchange = s->require_pwchange; + h->materialize = s->materialize; + h->virtual_keys = s->virtual_keys; + h->virtual = s->virtual; + h->synthetic = s->synthetic; + h->no_auth_data_reqd = s->no_auth_data_reqd; + h->_unused24 = s->_unused24; + h->_unused25 = s->_unused25; + h->_unused26 = s->_unused26; + h->_unused27 = s->_unused27; + h->_unused28 = s->_unused28; + h->_unused29 = s->_unused29; + h->force_canonicalize = s->force_canonicalize; + h->do_not_store = s->do_not_store; +} + +static int sdb_salt_to_Salt(const struct sdb_salt *s, Salt *h) +{ + int ret; + + h->type = s->type; + ret = smb_krb5_copy_data_contents(&h->salt, s->salt.data, s->salt.length); + if (ret != 0) { + free_Salt(h); + return ENOMEM; + } + h->opaque = NULL; + + return 0; +} + +static int sdb_key_to_Key(const struct sdb_key *s, Key *h) +{ + int rc; + + ZERO_STRUCTP(h); + + h->key.keytype = s->key.keytype; + rc = smb_krb5_copy_data_contents(&h->key.keyvalue, + s->key.keyvalue.data, + s->key.keyvalue.length); + if (rc != 0) { + goto error_nomem; + } + + if (s->salt != NULL) { + h->salt = malloc(sizeof(Salt)); + if (h->salt == NULL) { + goto error_nomem; + } + + rc = sdb_salt_to_Salt(s->salt, + h->salt); + if (rc != 0) { + goto error_nomem; + } + } else { + h->salt = NULL; + } + + return 0; + +error_nomem: + free_Key(h); + return ENOMEM; +} + +static int sdb_keys_to_Keys(const struct sdb_keys *s, Keys *h) +{ + int ret, i; + + h->len = s->len; + if (s->val != NULL) { + h->val = malloc(h->len * sizeof(Key)); + if (h->val == NULL) { + return ENOMEM; + } + for (i = 0; i < h->len; i++) { + ret = sdb_key_to_Key(&s->val[i], + &h->val[i]); + if (ret != 0) { + free_Keys(h); + return ENOMEM; + } + } + } else { + h->val = NULL; + } + + return 0; +} + +static int sdb_event_to_Event(krb5_context context, + const struct sdb_event *s, Event *h) +{ + int ret; + + if (s->principal != NULL) { + ret = krb5_copy_principal(context, + s->principal, + &h->principal); + if (ret != 0) { + free_Event(h); + return ret; + } + } else { + h->principal = NULL; + } + h->time = s->time; + + return 0; +} + +int sdb_entry_to_hdb_entry(krb5_context context, + const struct sdb_entry *s, + hdb_entry *h) +{ + struct samba_kdc_entry *ske = s->skdc_entry; + unsigned int i; + int rc; + + ZERO_STRUCTP(h); + + rc = krb5_copy_principal(context, + s->principal, + &h->principal); + if (rc != 0) { + return rc; + } + + h->kvno = s->kvno; + + rc = sdb_keys_to_Keys(&s->keys, &h->keys); + if (rc != 0) { + goto error; + } + + rc = sdb_event_to_Event(context, + &s->created_by, + &h->created_by); + if (rc != 0) { + goto error; + } + + if (s->modified_by) { + h->modified_by = malloc(sizeof(Event)); + if (h->modified_by == NULL) { + rc = ENOMEM; + goto error; + } + + rc = sdb_event_to_Event(context, + s->modified_by, + h->modified_by); + if (rc != 0) { + goto error; + } + } else { + h->modified_by = NULL; + } + + if (s->valid_start != NULL) { + h->valid_start = malloc(sizeof(KerberosTime)); + if (h->valid_start == NULL) { + rc = ENOMEM; + goto error; + } + *h->valid_start = *s->valid_start; + } else { + h->valid_start = NULL; + } + + if (s->valid_end != NULL) { + h->valid_end = malloc(sizeof(KerberosTime)); + if (h->valid_end == NULL) { + rc = ENOMEM; + goto error; + } + *h->valid_end = *s->valid_end; + } else { + h->valid_end = NULL; + } + + if (s->pw_end != NULL) { + h->pw_end = malloc(sizeof(KerberosTime)); + if (h->pw_end == NULL) { + rc = ENOMEM; + goto error; + } + *h->pw_end = *s->pw_end; + } else { + h->pw_end = NULL; + } + + if (s->max_life != NULL) { + h->max_life = malloc(sizeof(unsigned int)); + if (h->max_life == NULL) { + rc = ENOMEM; + goto error; + } + *h->max_life = *s->max_life; + } else { + h->max_life = NULL; + } + + if (s->max_renew != NULL) { + h->max_renew = malloc(sizeof(unsigned int)); + if (h->max_renew == NULL) { + rc = ENOMEM; + goto error; + } + *h->max_renew = *s->max_renew; + } else { + h->max_renew = NULL; + } + + sdb_flags_to_hdb_flags(&s->flags, &h->flags); + + h->etypes = NULL; + if (s->etypes != NULL) { + h->etypes = malloc(sizeof(*h->etypes)); + if (h->etypes == NULL) { + rc = ENOMEM; + goto error; + } + + h->etypes->len = s->etypes->len; + + h->etypes->val = calloc(h->etypes->len, sizeof(int)); + if (h->etypes->val == NULL) { + rc = ENOMEM; + goto error; + } + + for (i = 0; i < h->etypes->len; i++) { + h->etypes->val[i] = s->etypes->val[i]; + } + } + + h->session_etypes = NULL; + if (s->session_etypes != NULL) { + h->session_etypes = malloc(sizeof(*h->session_etypes)); + if (h->session_etypes == NULL) { + rc = ENOMEM; + goto error; + } + + h->session_etypes->len = s->session_etypes->len; + + h->session_etypes->val = calloc(h->session_etypes->len, sizeof(*h->session_etypes->val)); + if (h->session_etypes->val == NULL) { + rc = ENOMEM; + goto error; + } + + for (i = 0; i < h->session_etypes->len; ++i) { + h->session_etypes->val[i] = s->session_etypes->val[i]; + } + } + + h->context = ske; + if (ske != NULL) { + ske->kdc_entry = h; + } + return 0; +error: + free_hdb_entry(h); + return rc; +} |