diff options
Diffstat (limited to 'source4/nsswitch/winbindd_ads.c')
| -rw-r--r-- | source4/nsswitch/winbindd_ads.c | 837 |
1 files changed, 837 insertions, 0 deletions
diff --git a/source4/nsswitch/winbindd_ads.c b/source4/nsswitch/winbindd_ads.c new file mode 100644 index 0000000000..de3757aa44 --- /dev/null +++ b/source4/nsswitch/winbindd_ads.c @@ -0,0 +1,837 @@ +/* + Unix SMB/CIFS implementation. + + Winbind ADS backend functions + + Copyright (C) Andrew Tridgell 2001 + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "winbindd.h" + +#ifdef HAVE_ADS + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_WINBIND + +/* the realm of our primary LDAP server */ +static char *primary_realm; + + +/* + return our ads connections structure for a domain. We keep the connection + open to make things faster +*/ +static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain) +{ + ADS_STRUCT *ads; + ADS_STATUS status; + + if (domain->private) { + return (ADS_STRUCT *)domain->private; + } + + /* we don't want this to affect the users ccache */ + setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1); + + ads = ads_init(domain->alt_name, domain->name, NULL); + if (!ads) { + DEBUG(1,("ads_init for domain %s failed\n", domain->name)); + return NULL; + } + + /* the machine acct password might have change - fetch it every time */ + SAFE_FREE(ads->auth.password); + ads->auth.password = secrets_fetch_machine_password(); + + if (primary_realm) { + SAFE_FREE(ads->auth.realm); + ads->auth.realm = strdup(primary_realm); + } + + status = ads_connect(ads); + if (!ADS_ERR_OK(status) || !ads->config.realm) { + extern struct winbindd_methods msrpc_methods; + DEBUG(1,("ads_connect for domain %s failed: %s\n", + domain->name, ads_errstr(status))); + ads_destroy(&ads); + + /* if we get ECONNREFUSED then it might be a NT4 + server, fall back to MSRPC */ + if (status.error_type == ADS_ERROR_SYSTEM && + status.err.rc == ECONNREFUSED) { + DEBUG(1,("Trying MSRPC methods\n")); + domain->methods = &msrpc_methods; + } + return NULL; + } + + /* remember our primary realm for trusted domain support */ + if (!primary_realm) { + primary_realm = strdup(ads->config.realm); + } + + domain->private = (void *)ads; + return ads; +} + + +/* Query display info for a realm. This is the basic user list fn */ +static NTSTATUS query_user_list(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + uint32 *num_entries, + WINBIND_USERINFO **info) +{ + ADS_STRUCT *ads = NULL; + const char *attrs[] = {"userPrincipalName", + "sAMAccountName", + "name", "objectSid", "primaryGroupID", + "sAMAccountType", NULL}; + int i, count; + ADS_STATUS rc; + void *res = NULL; + void *msg = NULL; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + + *num_entries = 0; + + DEBUG(3,("ads: query_user_list\n")); + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs); + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc))); + goto done; + } + + count = ads_count_replies(ads, res); + if (count == 0) { + DEBUG(1,("query_user_list: No users found\n")); + goto done; + } + + (*info) = talloc_zero(mem_ctx, count * sizeof(**info)); + if (!*info) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + i = 0; + + for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) { + char *name, *gecos; + DOM_SID sid; + DOM_SID *sid2; + DOM_SID *group_sid; + uint32 group; + uint32 atype; + + if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype) || + ads_atype_map(atype) != SID_NAME_USER) { + DEBUG(1,("Not a user account? atype=0x%x\n", atype)); + continue; + } + + name = ads_pull_username(ads, mem_ctx, msg); + gecos = ads_pull_string(ads, mem_ctx, msg, "name"); + if (!ads_pull_sid(ads, msg, "objectSid", &sid)) { + DEBUG(1,("No sid for %s !?\n", name)); + continue; + } + if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group)) { + DEBUG(1,("No primary group for %s !?\n", name)); + continue; + } + + sid2 = talloc(mem_ctx, sizeof(*sid2)); + if (!sid2) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + sid_copy(sid2, &sid); + + group_sid = rid_to_talloced_sid(domain, mem_ctx, group); + + (*info)[i].acct_name = name; + (*info)[i].full_name = gecos; + (*info)[i].user_sid = sid2; + (*info)[i].group_sid = group_sid; + i++; + } + + (*num_entries) = i; + status = NT_STATUS_OK; + + DEBUG(3,("ads query_user_list gave %d entries\n", (*num_entries))); + +done: + if (res) ads_msgfree(ads, res); + + return status; +} + +/* list all domain groups */ +static NTSTATUS enum_dom_groups(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + uint32 *num_entries, + struct acct_info **info) +{ + ADS_STRUCT *ads = NULL; + const char *attrs[] = {"userPrincipalName", "sAMAccountName", + "name", "objectSid", + "sAMAccountType", NULL}; + int i, count; + ADS_STATUS rc; + void *res = NULL; + void *msg = NULL; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + uint32 group_flags; + + *num_entries = 0; + + DEBUG(3,("ads: enum_dom_groups\n")); + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + rc = ads_search_retry(ads, &res, "(objectCategory=group)", attrs); + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc))); + goto done; + } + + count = ads_count_replies(ads, res); + if (count == 0) { + DEBUG(1,("enum_dom_groups: No groups found\n")); + goto done; + } + + (*info) = talloc_zero(mem_ctx, count * sizeof(**info)); + if (!*info) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + i = 0; + + group_flags = ATYPE_GLOBAL_GROUP; + if ( domain->native_mode ) + group_flags |= ATYPE_LOCAL_GROUP; + + for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) { + char *name, *gecos; + DOM_SID sid; + uint32 rid; + uint32 account_type; + + if (!ads_pull_uint32(ads, msg, "sAMAccountType", &account_type) || !(account_type & group_flags) ) + continue; + + name = ads_pull_username(ads, mem_ctx, msg); + gecos = ads_pull_string(ads, mem_ctx, msg, "name"); + if (!ads_pull_sid(ads, msg, "objectSid", &sid)) { + DEBUG(1,("No sid for %s !?\n", name)); + continue; + } + + if (!sid_peek_check_rid(&domain->sid, &sid, &rid)) { + DEBUG(1,("No rid for %s !?\n", name)); + continue; + } + + fstrcpy((*info)[i].acct_name, name); + fstrcpy((*info)[i].acct_desc, gecos); + (*info)[i].rid = rid; + i++; + } + + (*num_entries) = i; + + status = NT_STATUS_OK; + + DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries))); + +done: + if (res) ads_msgfree(ads, res); + + return status; +} + +/* list all domain local groups */ +static NTSTATUS enum_local_groups(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + uint32 *num_entries, + struct acct_info **info) +{ + /* + * This is a stub function only as we returned the domain + * ocal groups in enum_dom_groups() if the domain->native field + * was true. This is a simple performance optimization when + * using LDAP. + * + * if we ever need to enumerate domain local groups separately, + * then this the optimization in enum_dom_groups() will need + * to be split out + */ + *num_entries = 0; + + return NT_STATUS_OK; +} + +/* convert a single name to a sid in a domain */ +static NTSTATUS name_to_sid(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const char *name, + DOM_SID *sid, + enum SID_NAME_USE *type) +{ + ADS_STRUCT *ads; + + DEBUG(3,("ads: name_to_sid\n")); + + ads = ads_cached_connection(domain); + if (!ads) + return NT_STATUS_UNSUCCESSFUL; + + return ads_name_to_sid(ads, name, sid, type); +} + +/* convert a sid to a user or group name */ +static NTSTATUS sid_to_name(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + DOM_SID *sid, + char **name, + enum SID_NAME_USE *type) +{ + ADS_STRUCT *ads = NULL; + DEBUG(3,("ads: sid_to_name\n")); + ads = ads_cached_connection(domain); + if (!ads) + return NT_STATUS_UNSUCCESSFUL; + + return ads_sid_to_name(ads, mem_ctx, sid, name, type); +} + + +/* convert a DN to a name, SID and name type + this might become a major speed bottleneck if groups have + lots of users, in which case we could cache the results +*/ +static BOOL dn_lookup(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, + const char *dn, + char **name, uint32 *name_type, DOM_SID *sid) +{ + char *exp; + void *res = NULL; + const char *attrs[] = {"userPrincipalName", "sAMAccountName", + "objectSid", "sAMAccountType", NULL}; + ADS_STATUS rc; + uint32 atype; + char *escaped_dn = escape_ldap_string_alloc(dn); + + if (!escaped_dn) { + return False; + } + + asprintf(&exp, "(distinguishedName=%s)", dn); + rc = ads_search_retry(ads, &res, exp, attrs); + SAFE_FREE(exp); + SAFE_FREE(escaped_dn); + + if (!ADS_ERR_OK(rc)) { + goto failed; + } + + (*name) = ads_pull_username(ads, mem_ctx, res); + + if (!ads_pull_uint32(ads, res, "sAMAccountType", &atype)) { + goto failed; + } + (*name_type) = ads_atype_map(atype); + + if (!ads_pull_sid(ads, res, "objectSid", sid)) { + goto failed; + } + + if (res) ads_msgfree(ads, res); + return True; + +failed: + if (res) ads_msgfree(ads, res); + return False; +} + +/* Lookup user information from a rid */ +static NTSTATUS query_user(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + DOM_SID *sid, + WINBIND_USERINFO *info) +{ + ADS_STRUCT *ads = NULL; + const char *attrs[] = {"userPrincipalName", + "sAMAccountName", + "name", + "primaryGroupID", NULL}; + ADS_STATUS rc; + int count; + void *msg = NULL; + char *exp; + char *sidstr; + uint32 group_rid; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + DOM_SID *sid2; + fstring sid_string; + + DEBUG(3,("ads: query_user\n")); + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + sidstr = sid_binstring(sid); + asprintf(&exp, "(objectSid=%s)", sidstr); + rc = ads_search_retry(ads, &msg, exp, attrs); + free(exp); + free(sidstr); + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("query_user(sid=%s) ads_search: %s\n", sid_to_string(sid_string, sid), ads_errstr(rc))); + goto done; + } + + count = ads_count_replies(ads, msg); + if (count != 1) { + DEBUG(1,("query_user(sid=%s): Not found\n", sid_to_string(sid_string, sid))); + goto done; + } + + info->acct_name = ads_pull_username(ads, mem_ctx, msg); + info->full_name = ads_pull_string(ads, mem_ctx, msg, "name"); + + if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) { + DEBUG(1,("No primary group for %s !?\n", sid_to_string(sid_string, sid))); + goto done; + } + + sid2 = talloc(mem_ctx, sizeof(*sid2)); + if (!sid2) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + sid_copy(sid2, sid); + + info->user_sid = sid2; + + info->group_sid = rid_to_talloced_sid(domain, mem_ctx, group_rid); + + status = NT_STATUS_OK; + + DEBUG(3,("ads query_user gave %s\n", info->acct_name)); +done: + if (msg) ads_msgfree(ads, msg); + + return status; +} + +/* Lookup groups a user is a member of - alternate method, for when + tokenGroups are not available. */ +static NTSTATUS lookup_usergroups_alt(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const char *user_dn, + DOM_SID *primary_group, + uint32 *num_groups, DOM_SID ***user_gids) +{ + ADS_STATUS rc; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + int count; + void *res = NULL; + void *msg = NULL; + char *exp; + ADS_STRUCT *ads; + const char *group_attrs[] = {"objectSid", NULL}; + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + /* buggy server, no tokenGroups. Instead lookup what groups this user + is a member of by DN search on member*/ + if (asprintf(&exp, "(&(member=%s)(objectClass=group))", user_dn) == -1) { + DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn)); + return NT_STATUS_NO_MEMORY; + } + + rc = ads_search_retry(ads, &res, exp, group_attrs); + free(exp); + + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc))); + return ads_ntstatus(rc); + } + + count = ads_count_replies(ads, res); + if (count == 0) { + DEBUG(5,("lookup_usergroups: No supp groups found\n")); + + status = ads_ntstatus(rc); + goto done; + } + + (*user_gids) = talloc_zero(mem_ctx, sizeof(**user_gids) * (count + 1)); + (*user_gids)[0] = primary_group; + + *num_groups = 1; + + for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) { + DOM_SID group_sid; + + if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) { + DEBUG(1,("No sid for this group ?!?\n")); + continue; + } + + if (sid_equal(&group_sid, primary_group)) continue; + + (*user_gids)[*num_groups] = talloc(mem_ctx, sizeof(***user_gids)); + if (!(*user_gids)[*num_groups]) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + sid_copy((*user_gids)[*num_groups], &group_sid); + + (*num_groups)++; + + } + + status = NT_STATUS_OK; + + DEBUG(3,("ads lookup_usergroups (alt) for dn=%s\n", user_dn)); +done: + if (res) ads_msgfree(ads, res); + if (msg) ads_msgfree(ads, msg); + + return status; +} + +/* Lookup groups a user is a member of. */ +static NTSTATUS lookup_usergroups(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + DOM_SID *sid, + uint32 *num_groups, DOM_SID ***user_gids) +{ + ADS_STRUCT *ads = NULL; + const char *attrs[] = {"distinguishedName", NULL}; + const char *attrs2[] = {"tokenGroups", "primaryGroupID", NULL}; + ADS_STATUS rc; + int count; + void *msg = NULL; + char *exp; + char *user_dn; + DOM_SID *sids; + int i; + DOM_SID *primary_group; + uint32 primary_group_rid; + char *sidstr; + fstring sid_string; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + + DEBUG(3,("ads: lookup_usergroups\n")); + *num_groups = 0; + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + if (!(sidstr = sid_binstring(sid))) { + DEBUG(1,("lookup_usergroups(sid=%s) sid_binstring returned NULL\n", sid_to_string(sid_string, sid))); + status = NT_STATUS_NO_MEMORY; + goto done; + } + if (asprintf(&exp, "(objectSid=%s)", sidstr) == -1) { + free(sidstr); + DEBUG(1,("lookup_usergroups(sid=%s) asprintf failed!\n", sid_to_string(sid_string, sid))); + status = NT_STATUS_NO_MEMORY; + goto done; + } + + rc = ads_search_retry(ads, &msg, exp, attrs); + free(exp); + free(sidstr); + + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("lookup_usergroups(sid=%s) ads_search: %s\n", sid_to_string(sid_string, sid), ads_errstr(rc))); + goto done; + } + + user_dn = ads_pull_string(ads, mem_ctx, msg, "distinguishedName"); + if (!user_dn) { + DEBUG(1,("lookup_usergroups(sid=%s) ads_search did not return a a distinguishedName!\n", sid_to_string(sid_string, sid))); + if (msg) ads_msgfree(ads, msg); + goto done; + } + + if (msg) ads_msgfree(ads, msg); + + rc = ads_search_retry_dn(ads, &msg, user_dn, attrs2); + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: %s\n", sid_to_string(sid_string, sid), ads_errstr(rc))); + goto done; + } + + if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) { + DEBUG(1,("%s: No primary group for sid=%s !?\n", domain->name, sid_to_string(sid_string, sid))); + goto done; + } + + primary_group = rid_to_talloced_sid(domain, mem_ctx, primary_group_rid); + + count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids); + + if (msg) ads_msgfree(ads, msg); + + /* there must always be at least one group in the token, + unless we are talking to a buggy Win2k server */ + if (count == 0) { + return lookup_usergroups_alt(domain, mem_ctx, user_dn, + primary_group, + num_groups, user_gids); + } + + (*user_gids) = talloc_zero(mem_ctx, sizeof(**user_gids) * (count + 1)); + (*user_gids)[0] = primary_group; + + *num_groups = 1; + + for (i=0;i<count;i++) { + if (sid_equal(&sids[i], primary_group)) continue; + + (*user_gids)[*num_groups] = talloc(mem_ctx, sizeof(***user_gids)); + if (!(*user_gids)[*num_groups]) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + + sid_copy((*user_gids)[*num_groups], &sids[i]); + (*num_groups)++; + } + + status = NT_STATUS_OK; + DEBUG(3,("ads lookup_usergroups for sid=%s\n", sid_to_string(sid_string, sid))); +done: + return status; +} + +/* + find the members of a group, given a group rid and domain + */ +static NTSTATUS lookup_groupmem(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + DOM_SID *group_sid, uint32 *num_names, + DOM_SID ***sid_mem, char ***names, + uint32 **name_types) +{ + ADS_STATUS rc; + int count; + void *res=NULL; + ADS_STRUCT *ads = NULL; + char *exp; + NTSTATUS status = NT_STATUS_UNSUCCESSFUL; + char *sidstr; + const char *attrs[] = {"member", NULL}; + char **members; + int i, num_members; + fstring sid_string; + + *num_names = 0; + + ads = ads_cached_connection(domain); + if (!ads) goto done; + + sidstr = sid_binstring(group_sid); + + /* search for all members of the group */ + asprintf(&exp, "(objectSid=%s)",sidstr); + rc = ads_search_retry(ads, &res, exp, attrs); + free(exp); + free(sidstr); + + if (!ADS_ERR_OK(rc)) { + DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc))); + goto done; + } + + count = ads_count_replies(ads, res); + if (count == 0) { + status = NT_STATUS_OK; + goto done; + } + + members = ads_pull_strings(ads, mem_ctx, res, "member"); + if (!members) { + /* no members? ok ... */ + status = NT_STATUS_OK; + goto done; + } + + /* now we need to turn a list of members into rids, names and name types + the problem is that the members are in the form of distinguised names + */ + for (i=0;members[i];i++) /* noop */ ; + num_members = i; + + (*sid_mem) = talloc_zero(mem_ctx, sizeof(**sid_mem) * num_members); + (*name_types) = talloc_zero(mem_ctx, sizeof(**name_types) * num_members); + (*names) = talloc_zero(mem_ctx, sizeof(**names) * num_members); + + for (i=0;i<num_members;i++) { + uint32 name_type; + char *name; + DOM_SID sid; + + if (dn_lookup(ads, mem_ctx, members[i], &name, &name_type, &sid)) { + (*names)[*num_names] = name; + (*name_types)[*num_names] = name_type; + (*sid_mem)[*num_names] = talloc(mem_ctx, sizeof(***sid_mem)); + if (!(*sid_mem)[*num_names]) { + status = NT_STATUS_NO_MEMORY; + goto done; + } + sid_copy((*sid_mem)[*num_names], &sid); + (*num_names)++; + } + } + + status = NT_STATUS_OK; + DEBUG(3,("ads lookup_groupmem for sid=%s\n", sid_to_string(sid_string, group_sid))); +done: + if (res) ads_msgfree(ads, res); + + return status; +} + + +/* find the sequence number for a domain */ +static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq) +{ + ADS_STRUCT *ads = NULL; + ADS_STATUS rc; + + *seq = DOM_SEQUENCE_NONE; + + ads = ads_cached_connection(domain); + if (!ads) return NT_STATUS_UNSUCCESSFUL; + + rc = ads_USN(ads, seq); + if (!ADS_ERR_OK(rc)) { + /* its a dead connection */ + ads_destroy(&ads); + domain->private = NULL; + } + return ads_ntstatus(rc); +} + +/* get a list of trusted domains */ +static NTSTATUS trusted_domains(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + uint32 *num_domains, + char ***names, + char ***alt_names, + DOM_SID **dom_sids) +{ + ADS_STRUCT *ads; + ADS_STATUS rc; + + *num_domains = 0; + *names = NULL; + + ads = ads_cached_connection(domain); + if (!ads) return NT_STATUS_UNSUCCESSFUL; + + rc = ads_trusted_domains(ads, mem_ctx, num_domains, names, alt_names, dom_sids); + + return ads_ntstatus(rc); +} + +/* find the domain sid for a domain */ +static NTSTATUS domain_sid(struct winbindd_domain *domain, DOM_SID *sid) +{ + ADS_STRUCT *ads; + ADS_STATUS rc; + + ads = ads_cached_connection(domain); + if (!ads) return NT_STATUS_UNSUCCESSFUL; + + rc = ads_domain_sid(ads, sid); + + if (!ADS_ERR_OK(rc)) { + /* its a dead connection */ + ads_destroy(&ads); + domain->private = NULL; + } + + return ads_ntstatus(rc); +} + + +/* find alternate names list for the domain - for ADS this is the + netbios name */ +static NTSTATUS alternate_name(struct winbindd_domain *domain) +{ + ADS_STRUCT *ads; + ADS_STATUS rc; + TALLOC_CTX *ctx; + char *workgroup; + + ads = ads_cached_connection(domain); + if (!ads) return NT_STATUS_UNSUCCESSFUL; + + if (!(ctx = talloc_init("alternate_name"))) { + return NT_STATUS_NO_MEMORY; + } + + rc = ads_workgroup_name(ads, ctx, &workgroup); + + if (ADS_ERR_OK(rc)) { + fstrcpy(domain->name, workgroup); + fstrcpy(domain->alt_name, ads->config.realm); + strupper(domain->alt_name); + strupper(domain->name); + } + + talloc_destroy(ctx); + + return ads_ntstatus(rc); +} + +/* the ADS backend methods are exposed via this structure */ +struct winbindd_methods ads_methods = { + True, + query_user_list, + enum_dom_groups, + enum_local_groups, + name_to_sid, + sid_to_name, + query_user, + lookup_usergroups, + lookup_groupmem, + sequence_number, + trusted_domains, + domain_sid, + alternate_name +}; + +#endif |