diff options
Diffstat (limited to 'source3/passdb/pdb_samba_dsdb.c')
| -rw-r--r-- | source3/passdb/pdb_samba_dsdb.c | 2303 |
1 files changed, 2303 insertions, 0 deletions
diff --git a/source3/passdb/pdb_samba_dsdb.c b/source3/passdb/pdb_samba_dsdb.c new file mode 100644 index 0000000000..2552fb9125 --- /dev/null +++ b/source3/passdb/pdb_samba_dsdb.c @@ -0,0 +1,2303 @@ +/* + Unix SMB/CIFS implementation. + pdb glue module for direct access to the dsdb via LDB APIs + Copyright (C) Volker Lendecke 2009-2011 + Copyright (C) Andrew Bartlett 2010-2012 + Copyright (C) Matthias Dieter Wallnöfer 2009 + + 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/>. +*/ + +/* This module, is a port of Volker's pdb_ads to ldb and DSDB APIs */ + +#include "includes.h" +#include "source3/include/passdb.h" +#include "source4/dsdb/samdb/samdb.h" +#include "ldb_errors.h" +#include "libcli/security/dom_sid.h" +#include "source4/winbind/idmap.h" +#include "librpc/gen_ndr/ndr_security.h" +#include "libds/common/flag_mapping.h" +#include "source4/lib/events/events.h" +#include "source4/auth/session.h" +#include "source4/auth/system_session_proto.h" +#include "lib/param/param.h" +#include "source4/dsdb/common/util.h" +#include "source3/include/secrets.h" + +struct pdb_samba_dsdb_state { + struct tevent_context *ev; + struct ldb_context *ldb; + struct idmap_context *idmap_ctx; + struct loadparm_context *lp_ctx; +}; + +static NTSTATUS pdb_samba_dsdb_getsampwsid(struct pdb_methods *m, + struct samu *sam_acct, + const struct dom_sid *sid); +static NTSTATUS pdb_samba_dsdb_getsamupriv(struct pdb_samba_dsdb_state *state, + const char *filter, + TALLOC_CTX *mem_ctx, + struct ldb_message **pmsg); +static bool pdb_samba_dsdb_sid_to_id(struct pdb_methods *m, const struct dom_sid *sid, + struct unixid *id); + +static bool pdb_samba_dsdb_pull_time(struct ldb_message *msg, const char *attr, + time_t *ptime) +{ + uint64_t tmp; + if (! ldb_msg_find_element(msg, attr)) { + return false; + } + tmp = ldb_msg_find_attr_as_uint64(msg, attr, 0); + *ptime = nt_time_to_unix(tmp); + return true; +} + +static struct pdb_domain_info *pdb_samba_dsdb_get_domain_info( + struct pdb_methods *m, TALLOC_CTX *mem_ctx) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct pdb_domain_info *info; + struct dom_sid *domain_sid; + struct ldb_dn *forest_dn, *domain_dn; + struct ldb_result *dom_res = NULL; + const char *dom_attrs[] = { + "objectSid", + "objectGUID", + "fSMORoleOwner", + NULL + }; + char *p; + int ret; + + info = talloc(mem_ctx, struct pdb_domain_info); + if (info == NULL) { + return NULL; + } + + domain_dn = ldb_get_default_basedn(state->ldb); + + ret = ldb_search(state->ldb, info, &dom_res, + domain_dn, LDB_SCOPE_BASE, dom_attrs, NULL); + if (ret != LDB_SUCCESS) { + goto fail; + } + if (dom_res->count != 1) { + goto fail; + } + + info->guid = samdb_result_guid(dom_res->msgs[0], "objectGUID"); + + domain_sid = samdb_result_dom_sid(state, dom_res->msgs[0], "objectSid"); + if (!domain_sid) { + goto fail; + } + info->sid = *domain_sid; + + TALLOC_FREE(dom_res); + + info->name = talloc_strdup(info, lpcfg_sam_name(state->lp_ctx)); + info->dns_domain = ldb_dn_canonical_string(info, domain_dn); + + if (!info->dns_domain) { + goto fail; + } + p = strchr(info->dns_domain, '/'); + if (p) { + *p = '\0'; + } + + forest_dn = ldb_get_root_basedn(state->ldb); + if (!forest_dn) { + goto fail; + } + + info->dns_forest = ldb_dn_canonical_string(info, forest_dn); + if (!info->dns_forest) { + goto fail; + } + p = strchr(info->dns_forest, '/'); + if (p) { + *p = '\0'; + } + + return info; + +fail: + TALLOC_FREE(dom_res); + TALLOC_FREE(info); + return NULL; +} + +static struct ldb_message *pdb_samba_dsdb_get_samu_private( + struct pdb_methods *m, struct samu *sam) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_message *msg; + char *sidstr, *filter; + NTSTATUS status; + + msg = (struct ldb_message *) + pdb_get_backend_private_data(sam, m); + + if (msg != NULL) { + return talloc_get_type_abort(msg, struct ldb_message); + } + + sidstr = dom_sid_string(talloc_tos(), pdb_get_user_sid(sam)); + if (sidstr == NULL) { + return NULL; + } + + filter = talloc_asprintf( + talloc_tos(), "(&(objectsid=%s)(objectclass=user))", sidstr); + TALLOC_FREE(sidstr); + if (filter == NULL) { + return NULL; + } + + status = pdb_samba_dsdb_getsamupriv(state, filter, sam, &msg); + TALLOC_FREE(filter); + if (!NT_STATUS_IS_OK(status)) { + return NULL; + } + + return msg; +} + +static NTSTATUS pdb_samba_dsdb_init_sam_from_priv(struct pdb_methods *m, + struct samu *sam, + struct ldb_message *msg) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + TALLOC_CTX *frame = talloc_stackframe(); + NTSTATUS status = NT_STATUS_INTERNAL_DB_CORRUPTION; + const char *str; + time_t tmp_time; + struct dom_sid *sid, group_sid; + uint64_t n; + const DATA_BLOB *blob; + + str = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL); + if (str == NULL) { + DEBUG(10, ("no samAccountName\n")); + goto fail; + } + pdb_set_username(sam, str, PDB_SET); + + if (pdb_samba_dsdb_pull_time(msg, "lastLogon", &tmp_time)) { + pdb_set_logon_time(sam, tmp_time, PDB_SET); + } + if (pdb_samba_dsdb_pull_time(msg, "lastLogoff", &tmp_time)) { + pdb_set_logoff_time(sam, tmp_time, PDB_SET); + } + if (pdb_samba_dsdb_pull_time(msg, "pwdLastSet", &tmp_time)) { + pdb_set_pass_last_set_time(sam, tmp_time, PDB_SET); + } + if (pdb_samba_dsdb_pull_time(msg, "accountExpires", &tmp_time)) { + pdb_set_kickoff_time(sam, tmp_time, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "displayName", + NULL); + if (str != NULL) { + pdb_set_fullname(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "homeDirectory", + NULL); + if (str != NULL) { + pdb_set_homedir(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "homeDrive", NULL); + if (str != NULL) { + pdb_set_dir_drive(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "scriptPath", NULL); + if (str != NULL) { + pdb_set_logon_script(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "profilePath", + NULL); + if (str != NULL) { + pdb_set_profile_path(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "comment", + NULL); + if (str != NULL) { + pdb_set_comment(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "description", + NULL); + if (str != NULL) { + pdb_set_acct_desc(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "userWorkstations", + NULL); + if (str != NULL) { + pdb_set_workstations(sam, str, PDB_SET); + } + + str = ldb_msg_find_attr_as_string(msg, "userParameters", + NULL); + if (str != NULL) { + pdb_set_munged_dial(sam, str, PDB_SET); + } + + sid = samdb_result_dom_sid(talloc_tos(), msg, "objectSid"); + if (!sid) { + DEBUG(10, ("Could not pull SID\n")); + goto fail; + } + pdb_set_user_sid(sam, sid, PDB_SET); + + n = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0); + if (n == 0) { + DEBUG(10, ("Could not pull userAccountControl\n")); + goto fail; + } + pdb_set_acct_ctrl(sam, ds_uf2acb(n), PDB_SET); + + blob = ldb_msg_find_ldb_val(msg, "unicodePwd"); + if (blob) { + if (blob->length != NT_HASH_LEN) { + DEBUG(0, ("Got NT hash of length %d, expected %d\n", + (int)blob->length, NT_HASH_LEN)); + goto fail; + } + pdb_set_nt_passwd(sam, blob->data, PDB_SET); + } + + blob = ldb_msg_find_ldb_val(msg, "dBCSPwd"); + if (blob) { + if (blob->length != LM_HASH_LEN) { + DEBUG(0, ("Got LM hash of length %d, expected %d\n", + (int)blob->length, LM_HASH_LEN)); + goto fail; + } + pdb_set_lanman_passwd(sam, blob->data, PDB_SET); + } + + n = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", 0); + if (n == 0) { + DEBUG(10, ("Could not pull primaryGroupID\n")); + goto fail; + } + sid_compose(&group_sid, samdb_domain_sid(state->ldb), n); + pdb_set_group_sid(sam, &group_sid, PDB_SET); + + status = NT_STATUS_OK; +fail: + TALLOC_FREE(frame); + return status; +} + +static bool pdb_samba_dsdb_add_time(struct ldb_message *msg, + const char *attrib, time_t t) +{ + uint64_t nt_time; + + unix_to_nt_time(&nt_time, t); + + return ldb_msg_add_fmt(msg, attrib, "%llu", (unsigned long long) nt_time); +} + +static int pdb_samba_dsdb_replace_by_sam(struct pdb_samba_dsdb_state *state, + bool (*need_update)(const struct samu *, + enum pdb_elements), + struct ldb_dn *dn, + struct samu *sam) +{ + TALLOC_CTX *frame = talloc_stackframe(); + int ret = LDB_SUCCESS; + const char *pw; + struct ldb_message *msg; + struct ldb_request *req; + uint32_t dsdb_flags = 0; + /* TODO: All fields :-) */ + + msg = ldb_msg_new(frame); + if (!msg) { + return false; + } + + msg->dn = dn; + + /* build modify request */ + ret = ldb_build_mod_req(&req, state->ldb, frame, msg, NULL, NULL, + ldb_op_default_callback, + NULL); + if (ret != LDB_SUCCESS) { + talloc_free(frame); + return ret; + } + + /* If we set a plaintext password, the system will + * force the pwdLastSet to now() */ + if (need_update(sam, PDB_PASSLASTSET)) { + dsdb_flags = DSDB_PASSWORD_BYPASS_LAST_SET; + + ret |= pdb_samba_dsdb_add_time(msg, "pwdLastSet", + pdb_get_pass_last_set_time(sam)); + } + + pw = pdb_get_plaintext_passwd(sam); + if (need_update(sam, PDB_PLAINTEXT_PW)) { + struct ldb_val pw_utf16; + if (pw == NULL) { + talloc_free(frame); + return LDB_ERR_OPERATIONS_ERROR; + } + + if (!convert_string_talloc(msg, + CH_UNIX, CH_UTF16, + pw, strlen(pw), + (void *)&pw_utf16.data, + &pw_utf16.length)) { + return LDB_ERR_OPERATIONS_ERROR; + } + ret |= ldb_msg_add_value(msg, "clearTextPassword", &pw_utf16, NULL); + } else { + bool changed_lm_pw = false; + bool changed_nt_pw = false; + bool changed_history = false; + if (need_update(sam, PDB_LMPASSWD)) { + struct ldb_val val; + val.data = pdb_get_lanman_passwd(sam); + if (!val.data) { + samdb_msg_add_delete(state->ldb, msg, msg, + "dBCSPwd"); + } else { + val.length = LM_HASH_LEN; + ret |= ldb_msg_add_value(msg, "dBCSPwd", &val, NULL); + } + changed_lm_pw = true; + } + if (need_update(sam, PDB_NTPASSWD)) { + struct ldb_val val; + val.data = pdb_get_nt_passwd(sam); + if (!val.data) { + samdb_msg_add_delete(state->ldb, msg, msg, + "unicodePwd"); + } else { + val.length = NT_HASH_LEN; + ret |= ldb_msg_add_value(msg, "unicodePwd", &val, NULL); + } + changed_nt_pw = true; + } + + /* Try to ensure we don't get out of sync */ + if (changed_lm_pw && !changed_nt_pw) { + samdb_msg_add_delete(state->ldb, msg, msg, + "unicodePwd"); + } else if (changed_nt_pw && !changed_lm_pw) { + samdb_msg_add_delete(state->ldb, msg, msg, + "dBCSPwd"); + } + if (changed_lm_pw || changed_nt_pw) { + samdb_msg_add_delete(state->ldb, msg, msg, + "supplementalCredentials"); + + } + + if (need_update(sam, PDB_PWHISTORY)) { + uint32_t current_hist_len; + const uint8_t *history = pdb_get_pw_history(sam, ¤t_hist_len); + + bool invalid_history = false; + struct samr_Password *history_hashes = talloc_array(talloc_tos(), struct samr_Password, + current_hist_len); + if (!history) { + invalid_history = true; + } else { + unsigned int i; + static const uint8_t zeros[16]; + /* Parse the history into the correct format */ + for (i = 0; i < current_hist_len; i++) { + if (memcmp(&history[i*PW_HISTORY_ENTRY_LEN], zeros, 16) != 0) { + /* If the history is in the old format, with a salted hash, then we can't migrate it to AD format */ + invalid_history = true; + break; + } + /* Copy out the 2nd 16 bytes of the 32 byte password history, containing the NT hash */ + memcpy(history_hashes[i].hash, + &history[(i*PW_HISTORY_ENTRY_LEN) + PW_HISTORY_SALT_LEN], + sizeof(history_hashes[i].hash)); + } + } + if (invalid_history) { + ret |= samdb_msg_add_delete(state->ldb, msg, msg, + "ntPwdHistory"); + + ret |= samdb_msg_add_delete(state->ldb, msg, msg, + "lmPwdHistory"); + } else { + ret |= samdb_msg_add_hashes(state->ldb, msg, msg, + "ntPwdHistory", + history_hashes, + current_hist_len); + } + changed_history = true; + } + if (changed_lm_pw || changed_nt_pw || changed_history) { + /* These attributes can only be modified directly by using a special control */ + dsdb_flags = DSDB_BYPASS_PASSWORD_HASH; + } + } + + /* PDB_USERSID is only allowed on ADD, handled in caller */ + if (need_update(sam, PDB_GROUPSID)) { + const struct dom_sid *sid = pdb_get_group_sid(sam); + uint32_t rid; + NTSTATUS status = dom_sid_split_rid(NULL, sid, NULL, &rid); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(frame); + return LDB_ERR_OPERATIONS_ERROR; + } + if (!dom_sid_in_domain(samdb_domain_sid(state->ldb), sid)) { + talloc_free(frame); + return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX; + } + ret |= samdb_msg_add_uint(state->ldb, msg, msg, "primaryGroupID", rid); + } + if (need_update(sam, PDB_FULLNAME)) { + ret |= ldb_msg_add_string(msg, "displayName", pdb_get_fullname(sam)); + } + + if (need_update(sam, PDB_SMBHOME)) { + ret |= ldb_msg_add_string(msg, "homeDirectory", + pdb_get_homedir(sam)); + } + + if (need_update(sam, PDB_PROFILE)) { + ret |= ldb_msg_add_string(msg, "profilePath", + pdb_get_profile_path(sam)); + } + + if (need_update(sam, PDB_DRIVE)) { + ret |= ldb_msg_add_string(msg, "homeDrive", + pdb_get_dir_drive(sam)); + } + + if (need_update(sam, PDB_LOGONSCRIPT)) { + ret |= ldb_msg_add_string(msg, "scriptPath", + pdb_get_logon_script(sam)); + } + + if (need_update(sam, PDB_KICKOFFTIME)) { + ret |= pdb_samba_dsdb_add_time(msg, "accountExpires", + pdb_get_kickoff_time(sam)); + } + + if (need_update(sam, PDB_LOGONTIME)) { + ret |= pdb_samba_dsdb_add_time(msg, "lastLogon", + pdb_get_logon_time(sam)); + } + + if (need_update(sam, PDB_LOGOFFTIME)) { + ret |= pdb_samba_dsdb_add_time(msg, "lastLogoff", + pdb_get_logoff_time(sam)); + } + + if (need_update(sam, PDB_USERNAME)) { + ret |= ldb_msg_add_string(msg, "samAccountName", + pdb_get_username(sam)); + } + + if (need_update(sam, PDB_HOURSLEN) || need_update(sam, PDB_HOURS)) { + struct ldb_val hours = data_blob_const(pdb_get_hours(sam), pdb_get_hours_len(sam)); + ret |= ldb_msg_add_value(msg, "logonHours", + &hours, NULL); + } + + if (need_update(sam, PDB_ACCTCTRL)) { + ret |= samdb_msg_add_acct_flags(state->ldb, msg, msg, + "userAccountControl", pdb_get_acct_ctrl(sam)); + } + + if (need_update(sam, PDB_COMMENT)) { + ret |= ldb_msg_add_string(msg, "comment", + pdb_get_comment(sam)); + } + + if (need_update(sam, PDB_ACCTDESC)) { + ret |= ldb_msg_add_string(msg, "description", + pdb_get_acct_desc(sam)); + } + + if (need_update(sam, PDB_WORKSTATIONS)) { + ret |= ldb_msg_add_string(msg, "userWorkstations", + pdb_get_workstations(sam)); + } + + /* This will need work, it is actually a UTF8 'string' with internal NULLs, to handle TS parameters */ + if (need_update(sam, PDB_MUNGEDDIAL)) { + ret |= ldb_msg_add_string(msg, "userParameters", + pdb_get_munged_dial(sam)); + } + + if (need_update(sam, PDB_COUNTRY_CODE)) { + ret |= ldb_msg_add_fmt(msg, "countryCode", + "%i", (int)pdb_get_country_code(sam)); + } + + if (need_update(sam, PDB_CODE_PAGE)) { + ret |= ldb_msg_add_fmt(msg, "codePage", + "%i", (int)pdb_get_code_page(sam)); + } + + /* Not yet handled here or not meaningful for modifies on a Samba_Dsdb backend: + PDB_BAD_PASSWORD_TIME, + PDB_CANCHANGETIME, - these are calculated per policy, not stored + PDB_DOMAIN, + PDB_NTUSERNAME, - this makes no sense, and never really did + PDB_LOGONDIVS, + PDB_USERSID, - Handled in pdb_samba_dsdb_add_sam_account() + PDB_FIELDS_PRESENT, + PDB_BAD_PASSWORD_COUNT, + PDB_LOGON_COUNT, + PDB_UNKNOWN6, + PDB_BACKEND_PRIVATE_DATA, + + */ + if (ret != LDB_SUCCESS) { + talloc_free(frame); + return LDB_ERR_OPERATIONS_ERROR; + } + + if (msg->num_elements == 0) { + talloc_free(frame); + /* Nothing to do, just return success */ + return LDB_SUCCESS; + } + + ret = dsdb_replace(state->ldb, msg, dsdb_flags); + + if (ret != LDB_SUCCESS) { + DEBUG(0,("Failed to modify account record %s to set user attributes: %s\n", + ldb_dn_get_linearized(msg->dn), + ldb_errstring(state->ldb))); + } + + talloc_free(frame); + return ret; +} + +static NTSTATUS pdb_samba_dsdb_getsamupriv(struct pdb_samba_dsdb_state *state, + const char *filter, + TALLOC_CTX *mem_ctx, + struct ldb_message **msg) +{ + const char * attrs[] = { + "lastLogon", "lastLogoff", "pwdLastSet", "accountExpires", + "sAMAccountName", "displayName", "homeDirectory", + "homeDrive", "scriptPath", "profilePath", "description", + "userWorkstations", "comment", "userParameters", "objectSid", + "primaryGroupID", "userAccountControl", "logonHours", + "badPwdCount", "logonCount", "countryCode", "codePage", + "unicodePwd", "dBCSPwd", NULL }; + + int rc = dsdb_search_one(state->ldb, mem_ctx, msg, ldb_get_default_basedn(state->ldb), LDB_SCOPE_SUBTREE, attrs, 0, "%s", filter); + if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldap_search failed %s\n", + ldb_errstring(state->ldb))); + return NT_STATUS_LDAP(rc); + } + + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_getsampwfilter(struct pdb_methods *m, + struct pdb_samba_dsdb_state *state, + struct samu *sam_acct, + const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(4, 5) +{ + struct ldb_message *priv; + NTSTATUS status; + va_list ap; + char *expression = NULL; + TALLOC_CTX *tmp_ctx = talloc_new(state); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + va_start(ap, exp_fmt); + expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap); + va_end(ap); + + if (!expression) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + status = pdb_samba_dsdb_getsamupriv(state, expression, sam_acct, &priv); + talloc_free(tmp_ctx); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("pdb_samba_dsdb_getsamupriv failed: %s\n", + nt_errstr(status))); + return status; + } + + status = pdb_samba_dsdb_init_sam_from_priv(m, sam_acct, priv); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("pdb_samba_dsdb_init_sam_from_priv failed: %s\n", + nt_errstr(status))); + TALLOC_FREE(priv); + return status; + } + + pdb_set_backend_private_data(sam_acct, priv, NULL, m, PDB_SET); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_getsampwnam(struct pdb_methods *m, + struct samu *sam_acct, + const char *username) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + + return pdb_samba_dsdb_getsampwfilter(m, state, sam_acct, + "(&(samaccountname=%s)(objectclass=user))", + username); +} + +static NTSTATUS pdb_samba_dsdb_getsampwsid(struct pdb_methods *m, + struct samu *sam_acct, + const struct dom_sid *sid) +{ + NTSTATUS status; + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + char *sidstr; + + sidstr = dom_sid_string(talloc_tos(), sid); + NT_STATUS_HAVE_NO_MEMORY(sidstr); + + status = pdb_samba_dsdb_getsampwfilter(m, state, sam_acct, + "(&(objectsid=%s)(objectclass=user))", + sidstr); + talloc_free(sidstr); + return status; +} + +static NTSTATUS pdb_samba_dsdb_create_user(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + const char *name, uint32 acct_flags, + uint32 *rid) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct dom_sid *sid; + struct ldb_dn *dn; + NTSTATUS status; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + /* Internally this uses transactions to ensure all the steps + * happen or fail as one */ + status = dsdb_add_user(state->ldb, tmp_ctx, name, acct_flags, NULL, + &sid, &dn); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + sid_peek_rid(sid, rid); + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_delete_user(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + struct samu *sam) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_dn *dn; + int rc; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + dn = ldb_dn_new_fmt(tmp_ctx, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, pdb_get_user_sid(sam))); + if (!dn || !ldb_dn_validate(dn)) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + rc = ldb_delete(state->ldb, dn); + + if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldb_delete for %s failed: %s\n", ldb_dn_get_linearized(dn), + ldb_errstring(state->ldb))); + talloc_free(tmp_ctx); + return NT_STATUS_LDAP(rc); + } + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +/* This interface takes a fully populated struct samu and places it in + * the database. This is not implemented at this time as we need to + * be careful around the creation of arbitary SIDs (ie, we must ensrue + * they are not left in a RID pool */ +static NTSTATUS pdb_samba_dsdb_add_sam_account(struct pdb_methods *m, + struct samu *sampass) +{ + int ret; + NTSTATUS status; + struct ldb_dn *dn; + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + uint32_t acb_flags = pdb_get_acct_ctrl(sampass); + const char *username = pdb_get_username(sampass); + const struct dom_sid *user_sid = pdb_get_user_sid(sampass); + TALLOC_CTX *tframe = talloc_stackframe(); + + acb_flags &= (ACB_NORMAL|ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST); + + ret = ldb_transaction_start(state->ldb); + if (ret != LDB_SUCCESS) { + talloc_free(tframe); + return NT_STATUS_LOCK_NOT_GRANTED; + } + + status = dsdb_add_user(state->ldb, talloc_tos(), username, + acb_flags, user_sid, NULL, &dn); + if (!NT_STATUS_IS_OK(status)) { + ldb_transaction_cancel(state->ldb); + talloc_free(tframe); + return status; + } + + ret = pdb_samba_dsdb_replace_by_sam(state, pdb_element_is_set_or_changed, + dn, sampass); + if (ret != LDB_SUCCESS) { + ldb_transaction_cancel(state->ldb); + talloc_free(tframe); + return dsdb_ldb_err_to_ntstatus(ret); + } + + ret = ldb_transaction_commit(state->ldb); + if (ret != LDB_SUCCESS) { + DEBUG(0,("Failed to commit transaction to add and modify account record %s: %s\n", + ldb_dn_get_linearized(dn), + ldb_errstring(state->ldb))); + talloc_free(tframe); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + talloc_free(tframe); + return NT_STATUS_OK; +} + +/* + * Update the Samba_Dsdb LDB with the changes from a struct samu. + * + * This takes care not to update elements that have not been changed + * by the caller + */ +static NTSTATUS pdb_samba_dsdb_update_sam_account(struct pdb_methods *m, + struct samu *sam) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_message *msg = pdb_samba_dsdb_get_samu_private( + m, sam); + int ret; + + ret = pdb_samba_dsdb_replace_by_sam(state, pdb_element_is_changed, msg->dn, + sam); + return dsdb_ldb_err_to_ntstatus(ret); +} + +static NTSTATUS pdb_samba_dsdb_delete_sam_account(struct pdb_methods *m, + struct samu *username) +{ + NTSTATUS status; + TALLOC_CTX *tmp_ctx = talloc_new(NULL); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + status = pdb_samba_dsdb_delete_user(m, tmp_ctx, username); + talloc_free(tmp_ctx); + return status; +} + +static NTSTATUS pdb_samba_dsdb_rename_sam_account(struct pdb_methods *m, + struct samu *oldname, + const char *newname) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +/* This is not implemented, as this module is exptected to be used + * with auth_samba_dsdb, and this is responible for login counters etc + * + */ +static NTSTATUS pdb_samba_dsdb_update_login_attempts(struct pdb_methods *m, + struct samu *sam_acct, + bool success) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_getgrfilter(struct pdb_methods *m, GROUP_MAP *map, + const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(4, 5) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + const char *attrs[] = { "objectSid", "description", "samAccountName", "groupType", + NULL }; + struct ldb_message *msg; + va_list ap; + char *expression = NULL; + struct dom_sid *sid; + const char *str; + int rc; + struct id_map id_map; + struct id_map *id_maps[2]; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + va_start(ap, exp_fmt); + expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap); + va_end(ap); + + if (!expression) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + rc = dsdb_search_one(state->ldb, tmp_ctx, &msg, ldb_get_default_basedn(state->ldb), LDB_SCOPE_SUBTREE, attrs, 0, "%s", expression); + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_SUCH_GROUP; + } else if (rc != LDB_SUCCESS) { + talloc_free(tmp_ctx); + DEBUG(10, ("dsdb_search_one failed %s\n", + ldb_errstring(state->ldb))); + return NT_STATUS_LDAP(rc); + } + + sid = samdb_result_dom_sid(tmp_ctx, msg, "objectSid"); + if (!sid) { + talloc_free(tmp_ctx); + DEBUG(10, ("Could not pull SID\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + map->sid = *sid; + + if (samdb_find_attribute(state->ldb, msg, "objectClass", "group")) { + NTSTATUS status; + uint32_t grouptype = ldb_msg_find_attr_as_uint(msg, "groupType", 0); + switch (grouptype) { + case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP: + case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP: + map->sid_name_use = SID_NAME_ALIAS; + break; + case GTYPE_SECURITY_GLOBAL_GROUP: + map->sid_name_use = SID_NAME_DOM_GRP; + break; + default: + talloc_free(tmp_ctx); + DEBUG(10, ("Could not pull groupType\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + map->sid_name_use = SID_NAME_DOM_GRP; + + ZERO_STRUCT(id_map); + id_map.sid = sid; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_sids_to_xids(state->idmap_ctx, tmp_ctx, id_maps); + talloc_free(tmp_ctx); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + if (id_map.xid.type == ID_TYPE_GID || id_map.xid.type == ID_TYPE_BOTH) { + map->gid = id_map.xid.id; + } else { + DEBUG(1, (__location__ "Did not get GUID when mapping SID for %s", expression)); + talloc_free(tmp_ctx); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + } else if (samdb_find_attribute(state->ldb, msg, "objectClass", "user")) { + DEBUG(1, (__location__ "Got SID_NAME_USER when searching for a group with %s", expression)); + talloc_free(tmp_ctx); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + str = ldb_msg_find_attr_as_string(msg, "samAccountName", + NULL); + if (str == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + map->nt_name = talloc_strdup(map, str); + if (!map->nt_name) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + str = ldb_msg_find_attr_as_string(msg, "description", + NULL); + if (str != NULL) { + map->comment = talloc_strdup(map, str); + } else { + map->comment = talloc_strdup(map, ""); + } + if (!map->comment) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_getgrsid(struct pdb_methods *m, GROUP_MAP *map, + struct dom_sid sid) +{ + char *filter; + NTSTATUS status; + + filter = talloc_asprintf(talloc_tos(), + "(&(objectsid=%s)(objectclass=group))", + sid_string_talloc(talloc_tos(), &sid)); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + status = pdb_samba_dsdb_getgrfilter(m, map, filter); + TALLOC_FREE(filter); + return status; +} + +static NTSTATUS pdb_samba_dsdb_getgrgid(struct pdb_methods *m, GROUP_MAP *map, + gid_t gid) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + NTSTATUS status; + struct id_map id_map; + struct id_map *id_maps[2]; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + id_map.xid.id = gid; + id_map.xid.type = ID_TYPE_GID; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_xids_to_sids(state->idmap_ctx, tmp_ctx, id_maps); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + status = pdb_samba_dsdb_getgrsid(m, map, *id_map.sid); + talloc_free(tmp_ctx); + return status; +} + +static NTSTATUS pdb_samba_dsdb_getgrnam(struct pdb_methods *m, GROUP_MAP *map, + const char *name) +{ + char *filter; + NTSTATUS status; + + filter = talloc_asprintf(talloc_tos(), + "(&(samaccountname=%s)(objectclass=group))", + name); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + status = pdb_samba_dsdb_getgrfilter(m, map, filter); + TALLOC_FREE(filter); + return status; +} + +static NTSTATUS pdb_samba_dsdb_create_dom_group(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, const char *name, + uint32 *rid) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + NTSTATUS status; + struct dom_sid *sid; + struct ldb_dn *dn; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + status = dsdb_add_domain_group(state->ldb, tmp_ctx, name, &sid, &dn); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + + sid_peek_rid(sid, rid); + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_delete_dom_group(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, uint32 rid) +{ + const char *attrs[] = { NULL }; + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct dom_sid sid; + struct ldb_message *msg; + struct ldb_dn *dn; + int rc; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + sid_compose(&sid, samdb_domain_sid(state->ldb), rid); + + if (ldb_transaction_start(state->ldb) != LDB_SUCCESS) { + DEBUG(0, ("Unable to start transaction in pdb_samba_dsdb_delete_dom_group()\n")); + return NT_STATUS_INTERNAL_ERROR; + } + + dn = ldb_dn_new_fmt(tmp_ctx, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, &sid)); + if (!dn || !ldb_dn_validate(dn)) { + talloc_free(tmp_ctx); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_NO_MEMORY; + } + rc = dsdb_search_one(state->ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE, attrs, 0, "objectclass=group"); + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_NO_SUCH_GROUP; + } + rc = ldb_delete(state->ldb, dn); + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_NO_SUCH_GROUP; + } else if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldb_delete failed %s\n", + ldb_errstring(state->ldb))); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_LDAP(rc); + } + + if (ldb_transaction_commit(state->ldb) != LDB_SUCCESS) { + DEBUG(0, ("Unable to commit transaction in pdb_samba_dsdb_delete_dom_group()\n")); + return NT_STATUS_INTERNAL_ERROR; + } + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_add_group_mapping_entry(struct pdb_methods *m, + GROUP_MAP *map) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_update_group_mapping_entry(struct pdb_methods *m, + GROUP_MAP *map) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_delete_group_mapping_entry(struct pdb_methods *m, + struct dom_sid sid) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_enum_group_mapping(struct pdb_methods *m, + const struct dom_sid *sid, + enum lsa_SidType sid_name_use, + GROUP_MAP ***pp_rmap, + size_t *p_num_entries, + bool unix_only) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_enum_group_members(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + const struct dom_sid *group, + uint32_t **pmembers, + size_t *pnum_members) +{ + unsigned int i, num_sids, num_members; + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct dom_sid *members_as_sids; + struct dom_sid *dom_sid; + uint32_t *members; + struct ldb_dn *dn; + NTSTATUS status; + + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + dn = ldb_dn_new_fmt(tmp_ctx, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, group)); + if (!dn || !ldb_dn_validate(dn)) { + return NT_STATUS_NO_MEMORY; + } + + status = dsdb_enum_group_mem(state->ldb, tmp_ctx, dn, &members_as_sids, &num_sids); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + status = dom_sid_split_rid(tmp_ctx, group, &dom_sid, NULL); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + + *pmembers = members = talloc_array(mem_ctx, uint32_t, num_sids); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(*pmembers, tmp_ctx); + num_members = 0; + + for (i = 0; i < num_sids; i++) { + if (!dom_sid_in_domain(dom_sid, &members_as_sids[i])) { + continue; + } + status = dom_sid_split_rid(NULL, &members_as_sids[i], + NULL, &members[num_members]); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + num_members++; + } + *pnum_members = num_members; + return NT_STATUS_OK; +} + +/* Just convert the primary group SID into a group */ +static NTSTATUS fake_enum_group_memberships(struct pdb_samba_dsdb_state *state, + TALLOC_CTX *mem_ctx, + struct samu *user, + struct dom_sid **pp_sids, + gid_t **pp_gids, + uint32_t *p_num_groups) +{ + NTSTATUS status; + size_t num_groups = 0; + struct dom_sid *group_sids; + gid_t *gids; + TALLOC_CTX *tmp_ctx; + + tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + if (user->group_sid) { + struct id_map *id_maps[2]; + struct id_map id_map; + + num_groups = 1; + + group_sids = talloc_array(tmp_ctx, struct dom_sid, num_groups); + if (group_sids == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + gids = talloc_array(tmp_ctx, gid_t, num_groups); + if (gids == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + group_sids[0] = *user->group_sid; + + ZERO_STRUCT(id_map); + id_map.sid = &group_sids[0]; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_sids_to_xids(state->idmap_ctx, tmp_ctx, id_maps); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + if (id_map.xid.type == ID_TYPE_GID || id_map.xid.type == ID_TYPE_BOTH) { + gids[0] = id_map.xid.id; + } else { + DEBUG(1, (__location__ + "Group %s, of which %s is a member, could not be converted to a GID\n", + dom_sid_string(tmp_ctx, &group_sids[0]), + dom_sid_string(tmp_ctx, &user->user_sid))); + talloc_free(tmp_ctx); + /* We must error out, otherwise a user might + * avoid a DENY acl based on a group they + * missed out on */ + return NT_STATUS_NO_SUCH_GROUP; + } + } + + *pp_sids = talloc_steal(mem_ctx, group_sids); + *pp_gids = talloc_steal(mem_ctx, gids); + *p_num_groups = num_groups; + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_enum_group_memberships(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + struct samu *user, + struct dom_sid **pp_sids, + gid_t **pp_gids, + uint32_t *p_num_groups) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_message *msg = pdb_samba_dsdb_get_samu_private( + m, user); + const char *attrs[] = { "tokenGroups", NULL}; + struct ldb_message *tokengroups_msg; + struct ldb_message_element *tokengroups; + int i, rc; + NTSTATUS status; + unsigned int count = 0; + size_t num_groups; + struct dom_sid *group_sids; + gid_t *gids; + TALLOC_CTX *tmp_ctx; + + if (msg == NULL) { + /* Fake up some things here */ + return fake_enum_group_memberships(state, + mem_ctx, + user, pp_sids, + pp_gids, p_num_groups); + } + + tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + rc = dsdb_search_one(state->ldb, tmp_ctx, &tokengroups_msg, msg->dn, LDB_SCOPE_BASE, attrs, 0, NULL); + + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_SUCH_USER; + } else if (rc != LDB_SUCCESS) { + DEBUG(10, ("dsdb_search_one failed %s\n", + ldb_errstring(state->ldb))); + talloc_free(tmp_ctx); + return NT_STATUS_LDAP(rc); + } + + tokengroups = ldb_msg_find_element(tokengroups_msg, "tokenGroups"); + + if (tokengroups) { + count = tokengroups->num_values; + } + + group_sids = talloc_array(tmp_ctx, struct dom_sid, count); + if (group_sids == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + gids = talloc_array(tmp_ctx, gid_t, count); + if (gids == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + num_groups = 0; + + for (i=0; i<count; i++) { + struct id_map *id_maps[2]; + struct id_map id_map; + struct ldb_val *v = &tokengroups->values[i]; + enum ndr_err_code ndr_err + = ndr_pull_struct_blob(v, group_sids, &group_sids[num_groups], + (ndr_pull_flags_fn_t)ndr_pull_dom_sid); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + talloc_free(tmp_ctx); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + ZERO_STRUCT(id_map); + id_map.sid = &group_sids[num_groups]; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_sids_to_xids(state->idmap_ctx, tmp_ctx, id_maps); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + if (id_map.xid.type == ID_TYPE_GID || id_map.xid.type == ID_TYPE_BOTH) { + gids[num_groups] = id_map.xid.id; + } else { + DEBUG(1, (__location__ + "Group %s, of which %s is a member, could not be converted to a GID\n", + dom_sid_string(tmp_ctx, &group_sids[num_groups]), + ldb_dn_get_linearized(msg->dn))); + talloc_free(tmp_ctx); + /* We must error out, otherwise a user might + * avoid a DENY acl based on a group they + * missed out on */ + return NT_STATUS_NO_SUCH_GROUP; + } + + num_groups += 1; + if (num_groups == count) { + break; + } + } + + *pp_sids = talloc_steal(mem_ctx, group_sids); + *pp_gids = talloc_steal(mem_ctx, gids); + *p_num_groups = num_groups; + talloc_free(tmp_ctx); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_set_unix_primary_group(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + struct samu *user) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_mod_groupmem_by_sid(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + const struct dom_sid *groupsid, + const struct dom_sid *membersid, + int mod_op) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_message *msg; + int ret; + struct ldb_message_element *el; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + msg = ldb_msg_new(tmp_ctx); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(msg, tmp_ctx); + + msg->dn = ldb_dn_new_fmt(msg, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, groupsid)); + if (!msg->dn || !ldb_dn_validate(msg->dn)) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + ret = ldb_msg_add_fmt(msg, "member", "<SID=%s>", dom_sid_string(tmp_ctx, membersid)); + if (ret != LDB_SUCCESS) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + el = ldb_msg_find_element(msg, "member"); + el->flags = mod_op; + + /* No need for transactions here, the ldb auto-transaction + * code will handle things for the single operation */ + ret = ldb_modify(state->ldb, msg); + talloc_free(tmp_ctx); + if (ret != LDB_SUCCESS) { + DEBUG(10, ("ldb_modify failed: %s\n", + ldb_errstring(state->ldb))); + if (ret == LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS) { + return NT_STATUS_MEMBER_IN_GROUP; + } + if (ret == LDB_ERR_NO_SUCH_ATTRIBUTE) { + return NT_STATUS_MEMBER_NOT_IN_GROUP; + } + return NT_STATUS_LDAP(ret); + } + + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_mod_groupmem(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + uint32 grouprid, uint32 memberrid, + int mod_op) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + const struct dom_sid *dom_sid, *groupsid, *membersid; + NTSTATUS status; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + dom_sid = samdb_domain_sid(state->ldb); + + groupsid = dom_sid_add_rid(tmp_ctx, dom_sid, grouprid); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(groupsid, tmp_ctx); + membersid = dom_sid_add_rid(tmp_ctx, dom_sid, memberrid); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(membersid, tmp_ctx); + status = pdb_samba_dsdb_mod_groupmem_by_sid(m, tmp_ctx, groupsid, membersid, mod_op); + talloc_free(tmp_ctx); + return status; +} + +static NTSTATUS pdb_samba_dsdb_add_groupmem(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + uint32 group_rid, uint32 member_rid) +{ + return pdb_samba_dsdb_mod_groupmem(m, mem_ctx, group_rid, member_rid, + LDB_FLAG_MOD_ADD); +} + +static NTSTATUS pdb_samba_dsdb_del_groupmem(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + uint32 group_rid, uint32 member_rid) +{ + return pdb_samba_dsdb_mod_groupmem(m, mem_ctx, group_rid, member_rid, + LDB_FLAG_MOD_DELETE); +} + +static NTSTATUS pdb_samba_dsdb_create_alias(struct pdb_methods *m, + const char *name, uint32 *rid) +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct dom_sid *sid; + + struct ldb_dn *dn; + NTSTATUS status; + + /* Internally this uses transactions to ensure all the steps + * happen or fail as one */ + status = dsdb_add_domain_alias(state->ldb, frame, name, &sid, &dn); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(frame); + } + + sid_peek_rid(sid, rid); + TALLOC_FREE(frame); + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_delete_alias(struct pdb_methods *m, + const struct dom_sid *sid) +{ + const char *attrs[] = { NULL }; + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_message *msg; + struct ldb_dn *dn; + int rc; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + dn = ldb_dn_new_fmt(tmp_ctx, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, sid)); + if (!dn || !ldb_dn_validate(dn)) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + if (ldb_transaction_start(state->ldb) != LDB_SUCCESS) { + DEBUG(0, ("Failed to start transaction in dsdb_add_domain_alias(): %s\n", ldb_errstring(state->ldb))); + return NT_STATUS_INTERNAL_ERROR; + } + + rc = dsdb_search_one(state->ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE, attrs, 0, "(objectclass=group)" + "(|(grouptype=%d)(grouptype=%d)))", + GTYPE_SECURITY_BUILTIN_LOCAL_GROUP, + GTYPE_SECURITY_DOMAIN_LOCAL_GROUP); + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_NO_SUCH_ALIAS; + } + rc = ldb_delete(state->ldb, dn); + if (rc == LDB_ERR_NO_SUCH_OBJECT) { + talloc_free(tmp_ctx); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_NO_SUCH_ALIAS; + } else if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldb_delete failed %s\n", + ldb_errstring(state->ldb))); + ldb_transaction_cancel(state->ldb); + return NT_STATUS_LDAP(rc); + } + + if (ldb_transaction_commit(state->ldb) != LDB_SUCCESS) { + DEBUG(0, ("Failed to commit transaction in pdb_samba_dsdb_delete_alias(): %s\n", + ldb_errstring(state->ldb))); + return NT_STATUS_INTERNAL_ERROR; + } + + return NT_STATUS_OK; +} + +#if 0 +static NTSTATUS pdb_samba_dsdb_set_aliasinfo(struct pdb_methods *m, + const struct dom_sid *sid, + struct acct_info *info) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct tldap_context *ld; + const char *attrs[3] = { "objectSid", "description", + "samAccountName" }; + struct ldb_message **msg; + char *sidstr, *dn; + int rc; + struct tldap_mod *mods; + int num_mods; + bool ok; + + ld = pdb_samba_dsdb_ld(state); + if (ld == NULL) { + return NT_STATUS_LDAP(TLDAP_SERVER_DOWN); + } + + sidstr = sid_binstring(talloc_tos(), sid); + NT_STATUS_HAVE_NO_MEMORY(sidstr); + + rc = pdb_samba_dsdb_search_fmt(state, state->domaindn, TLDAP_SCOPE_SUB, + attrs, ARRAY_SIZE(attrs), 0, talloc_tos(), + &msg, "(&(objectSid=%s)(objectclass=group)" + "(|(grouptype=%d)(grouptype=%d)))", + sidstr, GTYPE_SECURITY_BUILTIN_LOCAL_GROUP, + GTYPE_SECURITY_DOMAIN_LOCAL_GROUP); + TALLOC_FREE(sidstr) + if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldap_search failed %s\n", + ldb_errstring(state->ldb))); + return NT_STATUS_LDAP(rc); + } + switch talloc_array_length(msg) { + case 0: + return NT_STATUS_NO_SUCH_ALIAS; + case 1: + break; + default: + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + if (!tldap_entry_dn(msg[0], &dn)) { + TALLOC_FREE(msg); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + mods = NULL; + num_mods = 0; + ok = true; + + ok &= tldap_make_mod_fmt( + msg[0], msg, &num_mods, &mods, "description", + "%s", info->acct_desc); + ok &= tldap_make_mod_fmt( + msg[0], msg, &num_mods, &mods, "samAccountName", + "%s", info->acct_name); + if (!ok) { + TALLOC_FREE(msg); + return NT_STATUS_NO_MEMORY; + } + if (num_mods == 0) { + /* no change */ + TALLOC_FREE(msg); + return NT_STATUS_OK; + } + + rc = tldap_modify(ld, dn, num_mods, mods, NULL, 0, NULL, 0); + TALLOC_FREE(msg); + if (rc != LDB_SUCCESS) { + DEBUG(10, ("ldap_modify failed: %s\n", + ldb_errstring(state->ldb))); + return NT_STATUS_LDAP(rc); + } + return NT_STATUS_OK; +} +#endif +static NTSTATUS pdb_samba_dsdb_add_aliasmem(struct pdb_methods *m, + const struct dom_sid *alias, + const struct dom_sid *member) +{ + NTSTATUS status; + TALLOC_CTX *frame = talloc_stackframe(); + status = pdb_samba_dsdb_mod_groupmem_by_sid(m, frame, alias, member, LDB_FLAG_MOD_ADD); + talloc_free(frame); + return status; +} + +static NTSTATUS pdb_samba_dsdb_del_aliasmem(struct pdb_methods *m, + const struct dom_sid *alias, + const struct dom_sid *member) +{ + NTSTATUS status; + TALLOC_CTX *frame = talloc_stackframe(); + status = pdb_samba_dsdb_mod_groupmem_by_sid(m, frame, alias, member, LDB_FLAG_MOD_DELETE); + talloc_free(frame); + return status; +} + +static NTSTATUS pdb_samba_dsdb_enum_aliasmem(struct pdb_methods *m, + const struct dom_sid *alias, + TALLOC_CTX *mem_ctx, + struct dom_sid **pmembers, + size_t *pnum_members) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct ldb_dn *dn; + unsigned int num_members; + NTSTATUS status; + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + dn = ldb_dn_new_fmt(tmp_ctx, state->ldb, "<SID=%s>", dom_sid_string(tmp_ctx, alias)); + if (!dn || !ldb_dn_validate(dn)) { + return NT_STATUS_NO_MEMORY; + } + + status = dsdb_enum_group_mem(state->ldb, mem_ctx, dn, pmembers, &num_members); + *pnum_members = num_members; + if (NT_STATUS_IS_OK(status)) { + talloc_steal(mem_ctx, pmembers); + } + talloc_free(tmp_ctx); + return status; +} + +static NTSTATUS pdb_samba_dsdb_enum_alias_memberships(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + const struct dom_sid *domain_sid, + const struct dom_sid *members, + size_t num_members, + uint32_t **palias_rids, + size_t *pnum_alias_rids) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + uint32_t *alias_rids = NULL; + size_t num_alias_rids = 0; + int i; + struct dom_sid *groupSIDs = NULL; + unsigned int num_groupSIDs = 0; + char *filter; + NTSTATUS status; + const char *sid_string; + const char *sid_dn; + DATA_BLOB sid_blob; + + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + /* + * TODO: Get the filter right so that we only get the aliases from + * either the SAM or BUILTIN + */ + + filter = talloc_asprintf(tmp_ctx, "(&(objectClass=group)(groupType:1.2.840.113556.1.4.803:=%u))", + GROUP_TYPE_BUILTIN_LOCAL_GROUP); + if (filter == NULL) { + return NT_STATUS_NO_MEMORY; + } + + for (i = 0; i < num_members; i++) { + sid_string = dom_sid_string(tmp_ctx, &members[i]); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sid_string, tmp_ctx); + + sid_dn = talloc_asprintf(tmp_ctx, "<SID=%s>", sid_string); + NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sid_dn, tmp_ctx); + + sid_blob = data_blob_string_const(sid_dn); + + status = dsdb_expand_nested_groups(state->ldb, &sid_blob, true, filter, + tmp_ctx, &groupSIDs, &num_groupSIDs); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return status; + } + } + + alias_rids = talloc_array(mem_ctx, uint32_t, num_groupSIDs); + if (alias_rids == NULL) { + talloc_free(tmp_ctx); + return NT_STATUS_NO_MEMORY; + } + + for (i=0; i<num_groupSIDs; i++) { + if (sid_peek_check_rid(domain_sid, &groupSIDs[i], + &alias_rids[num_alias_rids])) { + num_alias_rids++;; + } + } + + *palias_rids = alias_rids; + *pnum_alias_rids = num_alias_rids; + return NT_STATUS_OK; +} + +static NTSTATUS pdb_samba_dsdb_lookup_rids(struct pdb_methods *m, + const struct dom_sid *domain_sid, + int num_rids, + uint32 *rids, + const char **names, + enum lsa_SidType *lsa_attrs) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + NTSTATUS status; + + TALLOC_CTX *tmp_ctx; + + if (num_rids == 0) { + return NT_STATUS_NONE_MAPPED; + } + + tmp_ctx = talloc_stackframe(); + NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); + + status = dsdb_lookup_rids(state->ldb, tmp_ctx, domain_sid, num_rids, rids, names, lsa_attrs); + talloc_free(tmp_ctx); + return status; +} + +static NTSTATUS pdb_samba_dsdb_lookup_names(struct pdb_methods *m, + const struct dom_sid *domain_sid, + int num_names, + const char **pp_names, + uint32 *rids, + enum lsa_SidType *attrs) +{ + return NT_STATUS_NOT_IMPLEMENTED; +} + +static NTSTATUS pdb_samba_dsdb_get_account_policy(struct pdb_methods *m, + enum pdb_policy_type type, + uint32_t *value) +{ + return account_policy_get(type, value) + ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS pdb_samba_dsdb_set_account_policy(struct pdb_methods *m, + enum pdb_policy_type type, + uint32_t value) +{ + return account_policy_set(type, value) + ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; +} + +static NTSTATUS pdb_samba_dsdb_get_seq_num(struct pdb_methods *m, + time_t *seq_num_out) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + uint64_t seq_num; + int ret = ldb_sequence_number(state->ldb, LDB_SEQ_HIGHEST_SEQ, &seq_num); + if (ret == LDB_SUCCESS) { + *seq_num_out = seq_num; + return NT_STATUS_OK; + } else { + return NT_STATUS_UNSUCCESSFUL; + } +} + +struct pdb_samba_dsdb_search_state { + uint32_t acct_flags; + struct samr_displayentry *entries; + uint32_t num_entries; + ssize_t array_size; + uint32_t current; +}; + +static bool pdb_samba_dsdb_next_entry(struct pdb_search *search, + struct samr_displayentry *entry) +{ + struct pdb_samba_dsdb_search_state *state = talloc_get_type_abort( + search->private_data, struct pdb_samba_dsdb_search_state); + + if (state->current == state->num_entries) { + return false; + } + + entry->idx = state->entries[state->current].idx; + entry->rid = state->entries[state->current].rid; + entry->acct_flags = state->entries[state->current].acct_flags; + + entry->account_name = talloc_strdup( + search, state->entries[state->current].account_name); + entry->fullname = talloc_strdup( + search, state->entries[state->current].fullname); + entry->description = talloc_strdup( + search, state->entries[state->current].description); + + state->current += 1; + return true; +} + +static void pdb_samba_dsdb_search_end(struct pdb_search *search) +{ + struct pdb_samba_dsdb_search_state *state = talloc_get_type_abort( + search->private_data, struct pdb_samba_dsdb_search_state); + talloc_free(state); +} + +static bool pdb_samba_dsdb_search_filter(struct pdb_methods *m, + struct pdb_search *search, + struct pdb_samba_dsdb_search_state **pstate, + const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(4, 5) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct pdb_samba_dsdb_search_state *sstate; + const char * attrs[] = { "objectSid", "sAMAccountName", "displayName", + "userAccountControl", "description", NULL }; + struct ldb_result *res; + int i, rc, num_users; + + va_list ap; + char *expression = NULL; + + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + if (!tmp_ctx) { + return false; + } + + va_start(ap, exp_fmt); + expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap); + va_end(ap); + + if (!expression) { + talloc_free(tmp_ctx); + return LDB_ERR_OPERATIONS_ERROR; + } + + sstate = talloc_zero(tmp_ctx, struct pdb_samba_dsdb_search_state); + if (sstate == NULL) { + talloc_free(tmp_ctx); + return false; + } + + rc = dsdb_search(state->ldb, tmp_ctx, &res, ldb_get_default_basedn(state->ldb), LDB_SCOPE_SUBTREE, attrs, 0, "%s", expression); + if (rc != LDB_SUCCESS) { + talloc_free(tmp_ctx); + DEBUG(10, ("dsdb_search failed: %s\n", + ldb_errstring(state->ldb))); + return false; + } + + num_users = res->count; + + sstate->entries = talloc_array(sstate, struct samr_displayentry, + num_users); + if (sstate->entries == NULL) { + talloc_free(tmp_ctx); + DEBUG(10, ("talloc failed\n")); + return false; + } + + sstate->num_entries = 0; + + for (i=0; i<num_users; i++) { + struct samr_displayentry *e; + struct dom_sid *sid; + + e = &sstate->entries[sstate->num_entries]; + + e->idx = sstate->num_entries; + sid = samdb_result_dom_sid(tmp_ctx, res->msgs[i], "objectSid"); + if (!sid) { + talloc_free(tmp_ctx); + DEBUG(10, ("Could not pull SID\n")); + return false; + } + sid_peek_rid(sid, &e->rid); + + e->acct_flags = samdb_result_acct_flags(state->ldb, tmp_ctx, + res->msgs[i], + ldb_get_default_basedn(state->ldb)); + e->account_name = ldb_msg_find_attr_as_string( + res->msgs[i], "samAccountName", NULL); + if (e->account_name == NULL) { + talloc_free(tmp_ctx); + return false; + } + e->fullname = ldb_msg_find_attr_as_string( + res->msgs[i], "displayName", ""); + e->description = ldb_msg_find_attr_as_string( + res->msgs[i], "description", ""); + + sstate->num_entries += 1; + if (sstate->num_entries >= num_users) { + break; + } + } + talloc_steal(sstate->entries, res->msgs); + search->private_data = talloc_steal(search, sstate); + search->next_entry = pdb_samba_dsdb_next_entry; + search->search_end = pdb_samba_dsdb_search_end; + *pstate = sstate; + talloc_free(tmp_ctx); + return true; +} + +static bool pdb_samba_dsdb_search_users(struct pdb_methods *m, + struct pdb_search *search, + uint32 acct_flags) +{ + struct pdb_samba_dsdb_search_state *sstate; + bool ret; + + ret = pdb_samba_dsdb_search_filter(m, search, &sstate, "(objectclass=user)"); + if (!ret) { + return false; + } + sstate->acct_flags = acct_flags; + return true; +} + +static bool pdb_samba_dsdb_search_groups(struct pdb_methods *m, + struct pdb_search *search) +{ + struct pdb_samba_dsdb_search_state *sstate; + bool ret; + + ret = pdb_samba_dsdb_search_filter(m, search, &sstate, + "(&(grouptype=%d)(objectclass=group))", + GTYPE_SECURITY_GLOBAL_GROUP); + if (!ret) { + return false; + } + sstate->acct_flags = 0; + return true; +} + +static bool pdb_samba_dsdb_search_aliases(struct pdb_methods *m, + struct pdb_search *search, + const struct dom_sid *sid) +{ + struct pdb_samba_dsdb_search_state *sstate; + bool ret; + + ret = pdb_samba_dsdb_search_filter(m, search, &sstate, + "(&(grouptype=%d)(objectclass=group))", + sid_check_is_builtin(sid) + ? GTYPE_SECURITY_BUILTIN_LOCAL_GROUP + : GTYPE_SECURITY_DOMAIN_LOCAL_GROUP); + if (!ret) { + return false; + } + sstate->acct_flags = 0; + return true; +} + +static bool pdb_samba_dsdb_uid_to_sid(struct pdb_methods *m, uid_t uid, + struct dom_sid *sid) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + NTSTATUS status; + struct id_map id_map; + struct id_map *id_maps[2]; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + if (!tmp_ctx) { + return false; + } + + id_map.xid.id = uid; + id_map.xid.type = ID_TYPE_UID; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_xids_to_sids(state->idmap_ctx, tmp_ctx, id_maps); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(tmp_ctx); + return false; + } + *sid = *id_map.sid; + talloc_free(tmp_ctx); + return true; +} + +static bool pdb_samba_dsdb_gid_to_sid(struct pdb_methods *m, gid_t gid, + struct dom_sid *sid) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + NTSTATUS status; + struct id_map id_map; + struct id_map *id_maps[2]; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + if (!tmp_ctx) { + return false; + } + + id_map.xid.id = gid; + id_map.xid.type = ID_TYPE_GID; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_xids_to_sids(state->idmap_ctx, tmp_ctx, id_maps); + if (!NT_STATUS_IS_OK(status)) { + return false; + } + *sid = *id_map.sid; + talloc_free(tmp_ctx); + return true; +} + +static bool pdb_samba_dsdb_sid_to_id(struct pdb_methods *m, const struct dom_sid *sid, + struct unixid *id) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + m->private_data, struct pdb_samba_dsdb_state); + struct id_map id_map; + struct id_map *id_maps[2]; + NTSTATUS status; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + if (!tmp_ctx) { + return false; + } + + ZERO_STRUCT(id_map); + id_map.sid = sid; + id_maps[0] = &id_map; + id_maps[1] = NULL; + + status = idmap_sids_to_xids(state->idmap_ctx, tmp_ctx, id_maps); + talloc_free(tmp_ctx); + if (!NT_STATUS_IS_OK(status)) { + return false; + } + if (id_map.xid.type != ID_TYPE_NOT_SPECIFIED) { + *id = id_map.xid; + return true; + } + return false; +} + +static uint32_t pdb_samba_dsdb_capabilities(struct pdb_methods *m) +{ + return PDB_CAP_STORE_RIDS | PDB_CAP_ADS; +} + +static bool pdb_samba_dsdb_new_rid(struct pdb_methods *m, uint32 *rid) +{ + return false; +} + +static bool pdb_samba_dsdb_get_trusteddom_pw(struct pdb_methods *m, + const char *domain, char** pwd, + struct dom_sid *sid, + time_t *pass_last_set_time) +{ + return false; +} + +static bool pdb_samba_dsdb_set_trusteddom_pw(struct pdb_methods *m, + const char* domain, const char* pwd, + const struct dom_sid *sid) +{ + return false; +} + +static bool pdb_samba_dsdb_del_trusteddom_pw(struct pdb_methods *m, + const char *domain) +{ + return false; +} + +static NTSTATUS pdb_samba_dsdb_enum_trusteddoms(struct pdb_methods *m, + TALLOC_CTX *mem_ctx, + uint32 *num_domains, + struct trustdom_info ***domains) +{ + *num_domains = 0; + *domains = NULL; + return NT_STATUS_OK; +} + +static void pdb_samba_dsdb_init_methods(struct pdb_methods *m) +{ + m->name = "samba_dsdb"; + m->get_domain_info = pdb_samba_dsdb_get_domain_info; + m->getsampwnam = pdb_samba_dsdb_getsampwnam; + m->getsampwsid = pdb_samba_dsdb_getsampwsid; + m->create_user = pdb_samba_dsdb_create_user; + m->delete_user = pdb_samba_dsdb_delete_user; + m->add_sam_account = pdb_samba_dsdb_add_sam_account; + m->update_sam_account = pdb_samba_dsdb_update_sam_account; + m->delete_sam_account = pdb_samba_dsdb_delete_sam_account; + m->rename_sam_account = pdb_samba_dsdb_rename_sam_account; + m->update_login_attempts = pdb_samba_dsdb_update_login_attempts; + m->getgrsid = pdb_samba_dsdb_getgrsid; + m->getgrgid = pdb_samba_dsdb_getgrgid; + m->getgrnam = pdb_samba_dsdb_getgrnam; + m->create_dom_group = pdb_samba_dsdb_create_dom_group; + m->delete_dom_group = pdb_samba_dsdb_delete_dom_group; + m->add_group_mapping_entry = pdb_samba_dsdb_add_group_mapping_entry; + m->update_group_mapping_entry = pdb_samba_dsdb_update_group_mapping_entry; + m->delete_group_mapping_entry = pdb_samba_dsdb_delete_group_mapping_entry; + m->enum_group_mapping = pdb_samba_dsdb_enum_group_mapping; + m->enum_group_members = pdb_samba_dsdb_enum_group_members; + m->enum_group_memberships = pdb_samba_dsdb_enum_group_memberships; + m->set_unix_primary_group = pdb_samba_dsdb_set_unix_primary_group; + m->add_groupmem = pdb_samba_dsdb_add_groupmem; + m->del_groupmem = pdb_samba_dsdb_del_groupmem; + m->create_alias = pdb_samba_dsdb_create_alias; + m->delete_alias = pdb_samba_dsdb_delete_alias; + m->get_aliasinfo = pdb_default_get_aliasinfo; + m->add_aliasmem = pdb_samba_dsdb_add_aliasmem; + m->del_aliasmem = pdb_samba_dsdb_del_aliasmem; + m->enum_aliasmem = pdb_samba_dsdb_enum_aliasmem; + m->enum_alias_memberships = pdb_samba_dsdb_enum_alias_memberships; + m->lookup_rids = pdb_samba_dsdb_lookup_rids; + m->lookup_names = pdb_samba_dsdb_lookup_names; + m->get_account_policy = pdb_samba_dsdb_get_account_policy; + m->set_account_policy = pdb_samba_dsdb_set_account_policy; + m->get_seq_num = pdb_samba_dsdb_get_seq_num; + m->search_users = pdb_samba_dsdb_search_users; + m->search_groups = pdb_samba_dsdb_search_groups; + m->search_aliases = pdb_samba_dsdb_search_aliases; + m->uid_to_sid = pdb_samba_dsdb_uid_to_sid; + m->gid_to_sid = pdb_samba_dsdb_gid_to_sid; + m->sid_to_id = pdb_samba_dsdb_sid_to_id; + m->capabilities = pdb_samba_dsdb_capabilities; + m->new_rid = pdb_samba_dsdb_new_rid; + m->get_trusteddom_pw = pdb_samba_dsdb_get_trusteddom_pw; + m->set_trusteddom_pw = pdb_samba_dsdb_set_trusteddom_pw; + m->del_trusteddom_pw = pdb_samba_dsdb_del_trusteddom_pw; + m->enum_trusteddoms = pdb_samba_dsdb_enum_trusteddoms; +} + +static void free_private_data(void **vp) +{ + struct pdb_samba_dsdb_state *state = talloc_get_type_abort( + *vp, struct pdb_samba_dsdb_state); + talloc_unlink(state, state->ldb); + return; +} + +static NTSTATUS pdb_samba_dsdb_init_secrets(struct pdb_methods *m) +{ + struct pdb_domain_info *dom_info; + bool ret; + + dom_info = pdb_samba_dsdb_get_domain_info(m, m); + if (!dom_info) { + return NT_STATUS_UNSUCCESSFUL; + } + + secrets_clear_domain_protection(dom_info->name); + ret = secrets_store_domain_sid(dom_info->name, + &dom_info->sid); + if (!ret) { + goto done; + } + ret = secrets_store_domain_guid(dom_info->name, + &dom_info->guid); + if (!ret) { + goto done; + } + ret = secrets_mark_domain_protected(dom_info->name); + if (!ret) { + goto done; + } + +done: + TALLOC_FREE(dom_info); + if (!ret) { + return NT_STATUS_UNSUCCESSFUL; + } + return NT_STATUS_OK; +} + +static NTSTATUS pdb_init_samba_dsdb(struct pdb_methods **pdb_method, + const char *location) +{ + struct pdb_methods *m; + struct pdb_samba_dsdb_state *state; + NTSTATUS status; + + if ( !NT_STATUS_IS_OK(status = make_pdb_method( &m )) ) { + return status; + } + + state = talloc_zero(m, struct pdb_samba_dsdb_state); + if (state == NULL) { + goto nomem; + } + m->private_data = state; + m->free_private_data = free_private_data; + pdb_samba_dsdb_init_methods(m); + + state->ev = s4_event_context_init(state); + if (!state->ev) { + DEBUG(0, ("s4_event_context_init failed\n")); + goto nomem; + } + + state->lp_ctx = loadparm_init_s3(state, loadparm_s3_helpers()); + if (state->lp_ctx == NULL) { + DEBUG(0, ("loadparm_init_s3 failed\n")); + goto nomem; + } + + if (location) { + state->ldb = samdb_connect_url(state, + state->ev, + state->lp_ctx, + system_session(state->lp_ctx), + 0, location); + } else { + state->ldb = samdb_connect(state, + state->ev, + state->lp_ctx, + system_session(state->lp_ctx), 0); + } + + if (!state->ldb) { + DEBUG(0, ("samdb_connect failed\n")); + status = NT_STATUS_INTERNAL_ERROR; + goto fail; + } + + state->idmap_ctx = idmap_init(state, state->ev, + state->lp_ctx); + if (!state->idmap_ctx) { + DEBUG(0, ("idmap failed\n")); + status = NT_STATUS_INTERNAL_ERROR; + goto fail; + } + + status = pdb_samba_dsdb_init_secrets(m); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("pdb_samba_dsdb_init_secrets failed!\n")); + goto fail; + } + + *pdb_method = m; + return NT_STATUS_OK; +nomem: + status = NT_STATUS_NO_MEMORY; +fail: + TALLOC_FREE(m); + return status; +} + +NTSTATUS pdb_samba_dsdb_init(void); +NTSTATUS pdb_samba_dsdb_init(void) +{ + NTSTATUS status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "samba_dsdb", + pdb_init_samba_dsdb); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + return smb_register_passdb(PASSDB_INTERFACE_VERSION, "samba4", + pdb_init_samba_dsdb); +} |