/*
- Unix SMB/Netbios implementation.
+ 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
#ifdef HAVE_ADS
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
/*
return our ads connections structure for a domain. We keep the connection
static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
{
ADS_STRUCT *ads;
- int rc;
+ ADS_STATUS status;
if (domain->private) {
return (ADS_STRUCT *)domain->private;
}
- ads = ads_init(NULL, NULL, NULL);
+ /* 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;
}
- rc = ads_connect(ads);
- if (rc) {
- DEBUG(1,("ads_connect for domain %s failed: %s\n", domain->name, ads_errstr(rc)));
+ /* the machine acct password might have change - fetch it every time */
+ SAFE_FREE(ads->auth.password);
+ ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
+
+ SAFE_FREE(ads->auth.realm);
+ ads->auth.realm = strdup(lp_realm());
+
+ status = ads_connect(ads);
+ if (!ADS_ERR_OK(status) || !ads->config.realm) {
+ extern struct winbindd_methods msrpc_methods, cache_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"));
+ if (domain->methods == &cache_methods) {
+ domain->backend = &msrpc_methods;
+ } else {
+ domain->methods = &msrpc_methods;
+ }
+ }
return NULL;
}
return ads;
}
-/* useful utility */
-static void sid_from_rid(struct winbindd_domain *domain, uint32 rid, DOM_SID *sid)
-{
- sid_copy(sid, &domain->sid);
- sid_append_rid(sid, rid);
-}
-
-/* turn a sAMAccountType into a SID_NAME_USE */
-static enum SID_NAME_USE ads_atype_map(uint32 atype)
-{
- switch (atype & 0xF0000000) {
- case ATYPE_GROUP:
- return SID_NAME_DOM_GRP;
- case ATYPE_USER:
- return SID_NAME_USER;
- default:
- DEBUG(1,("hmm, need to map account type 0x%x\n", atype));
- }
- return SID_NAME_UNKNOWN;
-}
/* 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 *start_ndx, uint32 *num_entries,
+ uint32 *num_entries,
WINBIND_USERINFO **info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
- "userAccountControl", NULL};
- int rc, i, count;
+ 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"));
- if ((*start_ndx) != 0) {
- DEBUG(1,("ads backend start_ndx not implemented!\n"));
- status = NT_STATUS_NOT_IMPLEMENTED;
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
goto done;
}
- ads = ads_cached_connection(domain);
- if (!ads) goto done;
-
- rc = ads_search(ads, &res, "(objectclass=user)", attrs);
- if (rc) {
+ rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
+ if (!ADS_ERR_OK(rc) || !res) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
goto done;
}
goto done;
}
- (*info) = talloc(mem_ctx, count * sizeof(**info));
+ (*info) = talloc_zero(mem_ctx, count * sizeof(**info));
if (!*info) {
status = NT_STATUS_NO_MEMORY;
goto done;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
char *name, *gecos;
DOM_SID sid;
- uint32 rid, group;
- uint32 account_control;
-
- if (!ads_pull_uint32(ads, msg, "userAccountControl",
- &account_control) ||
- !(account_control & UF_NORMAL_ACCOUNT)) continue;
+ 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_string(ads, mem_ctx, msg, "sAMAccountName");
+ 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_rid(&sid, &rid)) {
- DEBUG(1,("No rid 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_rid = rid;
- (*info)[i].group_rid = group;
+ (*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);
- if (msg) ads_msgfree(ads, msg);
+ 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 *start_ndx, uint32 *num_entries,
+ uint32 *num_entries,
struct acct_info **info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"sAMAccountName", "name", "objectSid",
+ const char *attrs[] = {"userPrincipalName", "sAMAccountName",
+ "name", "objectSid",
"sAMAccountType", NULL};
- int rc, i, count;
+ 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"));
- if ((*start_ndx) != 0) {
- DEBUG(1,("ads backend start_ndx not implemented\n"));
- status = NT_STATUS_NOT_IMPLEMENTED;
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
goto done;
}
- ads = ads_cached_connection(domain);
- if (!ads) goto done;
-
- rc = ads_search(ads, &res, "(objectclass=group)", attrs);
- if (rc) {
- DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
+ rc = ads_search_retry(ads, &res, "(objectCategory=group)", attrs);
+ if (!ADS_ERR_OK(rc) || !res) {
+ 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,("query_user_list: No users found\n"));
+ DEBUG(1,("enum_dom_groups: No groups found\n"));
goto done;
}
- (*info) = talloc(mem_ctx, count * sizeof(**info));
+ (*info) = talloc_zero(mem_ctx, count * sizeof(**info));
if (!*info) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
i = 0;
+
+ group_flags = ATYPE_GLOBAL_GROUP;
+
+ /* only grab domain local groups for our domain */
+ if ( domain->native_mode && strequal(lp_realm(), domain->alt_name) )
+ group_flags |= ATYPE_LOCAL_GROUP;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
char *name, *gecos;
uint32 rid;
uint32 account_type;
- if (!ads_pull_uint32(ads, msg, "sAMAccountType",
- &account_type) ||
- !(account_type & ATYPE_GROUP)) continue;
-
- name = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
+ 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_rid(&sid, &rid)) {
+ if (!sid_peek_check_rid(&domain->sid, &sid, &rid)) {
DEBUG(1,("No rid for %s !?\n", name));
continue;
}
status = NT_STATUS_OK;
+ DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries)));
+
done:
- if (res) ads_msgfree(ads, res);
- if (msg) ads_msgfree(ads, msg);
+ 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
+ * local 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 = NULL;
- const char *attrs[] = {"objectSid", "sAMAccountType", NULL};
- int rc, count;
- void *res = NULL;
- char *exp;
- uint32 t;
- fstring name2, dom2;
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
-
- /* sigh. Need to fix interface to give us a raw name */
- if (!parse_domain_user(name, dom2, name2)) {
- goto done;
- }
+ ADS_STRUCT *ads;
DEBUG(3,("ads: name_to_sid\n"));
ads = ads_cached_connection(domain);
- if (!ads) goto done;
-
- asprintf(&exp, "(sAMAccountName=%s)", name2);
- rc = ads_search(ads, &res, exp, attrs);
- free(exp);
- if (rc) {
- DEBUG(1,("name_to_sid ads_search: %s\n", ads_errstr(rc)));
- goto done;
- }
-
- count = ads_count_replies(ads, res);
- if (count != 1) {
- DEBUG(1,("name_to_sid: %s not found\n", name));
- goto done;
- }
-
- if (!ads_pull_sid(ads, res, "objectSid", sid)) {
- DEBUG(1,("No sid for %s !?\n", name));
- goto done;
- }
-
- if (!ads_pull_uint32(ads, res, "sAMAccountType", &t)) {
- DEBUG(1,("No sAMAccountType for %s !?\n", name));
- goto done;
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ return NT_STATUS_UNSUCCESSFUL;
}
- *type = ads_atype_map(t);
-
- status = NT_STATUS_OK;
-
-done:
- if (res) ads_msgfree(ads, res);
-
- return status;
+ return ads_name_to_sid(ads, name, sid, type);
}
/* convert a sid to a user or group name */
enum SID_NAME_USE *type)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"sAMAccountName", "sAMAccountType", NULL};
- int rc;
- void *msg = NULL;
- char *exp;
- char *sidstr;
- uint32 atype;
- char *s;
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
-
DEBUG(3,("ads: sid_to_name\n"));
ads = ads_cached_connection(domain);
- if (!ads) goto done;
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ return NT_STATUS_UNSUCCESSFUL;
+ }
- sidstr = ads_sid_binstring(sid);
- asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
- free(exp);
- free(sidstr);
- if (rc) {
- DEBUG(1,("sid_to_name ads_search: %s\n", ads_errstr(rc)));
- goto done;
+ 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 *ldap_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);
+
+ DEBUG(3,("ads: dn_lookup\n"));
+
+ if (!escaped_dn) {
+ return False;
}
- if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype)) {
- goto done;
+ asprintf(&ldap_exp, "(distinguishedName=%s)", escaped_dn);
+ rc = ads_search_retry(ads, &res, ldap_exp, attrs);
+ SAFE_FREE(ldap_exp);
+ SAFE_FREE(escaped_dn);
+
+ if (!ADS_ERR_OK(rc) || !res) {
+ goto failed;
}
- s = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
- *name = talloc_asprintf(mem_ctx, "%s%s%s", domain->name, lp_winbind_separator(), s);
- *type = ads_atype_map(atype);
+ (*name) = ads_pull_username(ads, mem_ctx, res);
- status = NT_STATUS_OK;
-done:
- if (msg) ads_msgfree(ads, msg);
+ if (!ads_pull_uint32(ads, res, "sAMAccountType", &atype)) {
+ goto failed;
+ }
+ (*name_type) = ads_atype_map(atype);
- return status;
-}
+ 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,
- uint32 user_rid,
+ DOM_SID *sid,
WINBIND_USERINFO *info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
- "userAccountControl", NULL};
- int rc, count;
+ const char *attrs[] = {"userPrincipalName",
+ "sAMAccountName",
+ "name",
+ "primaryGroupID", NULL};
+ ADS_STATUS rc;
+ int count;
void *msg = NULL;
- char *exp;
- DOM_SID sid;
+ char *ldap_exp;
char *sidstr;
+ uint32 group_rid;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ DOM_SID *sid2;
+ fstring sid_string;
DEBUG(3,("ads: query_user\n"));
- sid_from_rid(domain, user_rid, &sid);
-
ads = ads_cached_connection(domain);
- if (!ads) goto done;
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
- sidstr = ads_sid_binstring(&sid);
- asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
- free(exp);
+ sidstr = sid_binstring(sid);
+ asprintf(&ldap_exp, "(objectSid=%s)", sidstr);
+ rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
+ free(ldap_exp);
free(sidstr);
- if (rc) {
- DEBUG(1,("query_user(rid=%d) ads_search: %s\n", user_rid, ads_errstr(rc)));
+ if (!ADS_ERR_OK(rc) || !msg) {
+ 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(rid=%d): Not found\n", user_rid));
+ DEBUG(1,("query_user(sid=%s): Not found\n", sid_to_string(sid_string, sid)));
goto done;
}
- info->acct_name = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
+ info->acct_name = ads_pull_username(ads, mem_ctx, msg);
info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
- if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
- DEBUG(1,("No sid for %d !?\n", user_rid));
+
+ 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;
}
- if (!ads_pull_uint32(ads, msg, "primaryGroupID", &info->group_rid)) {
- DEBUG(1,("No primary group for %d !?\n", user_rid));
+
+ sid2 = talloc(mem_ctx, sizeof(*sid2));
+ if (!sid2) {
+ status = NT_STATUS_NO_MEMORY;
goto done;
}
+ sid_copy(sid2, sid);
- if (!sid_peek_rid(&sid, &info->user_rid)) {
- DEBUG(1,("No rid for %d !?\n", user_rid));
+ 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 *ldap_exp;
+ ADS_STRUCT *ads;
+ const char *group_attrs[] = {"objectSid", NULL};
+
+ DEBUG(3,("ads: lookup_usergroups_alt\n"));
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
goto done;
}
+ /* buggy server, no tokenGroups. Instead lookup what groups this user
+ is a member of by DN search on member*/
+ if (asprintf(&ldap_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, ldap_exp, group_attrs);
+ free(ldap_exp);
+
+ if (!ADS_ERR_OK(rc) || !res) {
+ 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 (msg) ads_msgfree(ads, msg);
+ 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,
- uint32 user_rid,
- uint32 *num_groups, uint32 **user_gids)
+ 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};
- int rc, count;
+ ADS_STATUS rc;
+ int count;
void *msg = NULL;
- char *exp;
+ char *ldap_exp;
char *user_dn;
DOM_SID *sids;
int i;
- uint32 primary_group;
- DOM_SID sid;
+ 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;
-
- sid_from_rid(domain, user_rid, &sid);
+ *num_groups = 0;
ads = ads_cached_connection(domain);
- if (!ads) goto done;
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
- sidstr = ads_sid_binstring(&sid);
- asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
- free(exp);
+ 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(&ldap_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, ldap_exp, attrs);
+ free(ldap_exp);
free(sidstr);
- if (rc) {
- DEBUG(1,("lookup_usergroups(rid=%d) ads_search: %s\n", user_rid, ads_errstr(rc)));
+
+ if (!ADS_ERR_OK(rc) || !msg) {
+ 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;
+ }
- rc = ads_search_dn(ads, &msg, user_dn, attrs2);
- if (rc) {
- DEBUG(1,("lookup_usergroups(rid=%d) ads_search tokenGroups: %s\n", user_rid, ads_errstr(rc)));
+ if (msg)
+ ads_msgfree(ads, msg);
+
+ rc = ads_search_retry_dn(ads, &msg, user_dn, attrs2);
+ if (!ADS_ERR_OK(rc) || !msg) {
+ 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)) {
- DEBUG(1,("No primary group for rid=%d !?\n", user_rid));
+ 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;
}
- count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids) + 1;
- (*user_gids) = (uint32 *)talloc(mem_ctx, sizeof(uint32) * count);
- (*user_gids)[(*num_groups)++] = primary_group;
+ primary_group = rid_to_talloced_sid(domain, mem_ctx, primary_group_rid);
- for (i=1;i<count;i++) {
- uint32 rid;
- if (!sid_peek_rid(&sids[i-1], &rid)) continue;
- (*user_gids)[*num_groups] = 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:
- if (msg) ads_msgfree(ads, msg);
-
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,
- uint32 group_rid, uint32 *num_names,
- uint32 **rid_mem, char ***names,
+ DOM_SID *group_sid, uint32 *num_names,
+ DOM_SID ***sid_mem, char ***names,
uint32 **name_types)
{
- DOM_SID group_sid;
- char *sidstr;
- const char *attrs[] = {"sAMAccountName", "objectSid", "sAMAccountType", NULL};
- int rc, count;
- void *res=NULL, *msg=NULL;
+ ADS_STATUS rc;
+ int count;
+ void *res=NULL;
ADS_STRUCT *ads = NULL;
- char *exp;
+ char *ldap_exp;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *sidstr;
+ const char *attrs[] = {"member", NULL};
+ char **members;
+ int i, num_members;
+ fstring sid_string;
+
+ DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name, sid_string_static(group_sid)));
*num_names = 0;
ads = ads_cached_connection(domain);
- if (!ads) goto done;
-
- sid_from_rid(domain, group_rid, &group_sid);
- sidstr = ads_sid_binstring(&group_sid);
- /* search for all users who have that group sid as primary group or as member */
- asprintf(&exp, "(&(objectclass=user)(|(primaryGroupID=%d)(memberOf=%s)))",
- group_rid, sidstr);
- rc = ads_search(ads, &res, exp, attrs);
- free(exp);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
+
+ sidstr = sid_binstring(group_sid);
+
+ /* search for all members of the group */
+ asprintf(&ldap_exp, "(objectSid=%s)",sidstr);
+ rc = ads_search_retry(ads, &res, ldap_exp, attrs);
+ free(ldap_exp);
free(sidstr);
- if (rc) {
+
+ if (!ADS_ERR_OK(rc) || !res) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
goto done;
}
goto done;
}
- (*rid_mem) = talloc(mem_ctx, sizeof(uint32) * count);
- (*name_types) = talloc(mem_ctx, sizeof(uint32) * count);
- (*names) = talloc(mem_ctx, sizeof(char *) * count);
+ members = ads_pull_strings(ads, mem_ctx, res, "member");
+ if (!members) {
+ /* no members? ok ... */
+ status = NT_STATUS_OK;
+ goto done;
+ }
- for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
- uint32 atype, rid;
+ /* 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;
- (*names)[*num_names] = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
- if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype)) {
- continue;
+ 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)++;
}
- (*name_types)[*num_names] = ads_atype_map(atype);
- if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
- DEBUG(1,("No sid for %s !?\n", (*names)[*num_names]));
- continue;
- }
- if (!sid_peek_rid(&sid, &rid)) {
- DEBUG(1,("No rid for %s !?\n", (*names)[*num_names]));
- continue;
- }
- (*rid_mem)[*num_names] = rid;
- (*num_names)++;
}
status = NT_STATUS_OK;
+ DEBUG(3,("ads lookup_groupmem for sid=%s\n", sid_to_string(sid_string, group_sid)));
done:
- if (msg) ads_msgfree(ads, msg);
- if (res) ads_msgfree(ads, res);
+ 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;
+
+ DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
+
+ *seq = DOM_SEQUENCE_NONE;
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ rc = ads_USN(ads, seq);
+
+ if (!ADS_ERR_OK(rc)) {
+
+ /* its a dead connection ; don't destroy it
+ through since ads_USN() has already done
+ that indirectly */
+
+ 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)
+{
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ DS_DOMAIN_TRUSTS *domains = NULL;
+ int count = 0;
+ int i;
+ struct cli_state *cli = NULL;
+ /* i think we only need our forest and downlevel trusted domains */
+ uint32 flags = DS_DOMAIN_IN_FOREST | DS_DOMAIN_DIRECT_OUTBOUND;
+ char *contact_domain_name;
+
+ DEBUG(3,("ads: trusted_domains\n"));
+
+ *num_domains = 0;
+ *alt_names = NULL;
+ *names = NULL;
+ *dom_sids = NULL;
+
+ contact_domain_name = *domain->alt_name ? domain->alt_name : domain->name;
+ if ( !NT_STATUS_IS_OK(result = cm_fresh_connection(contact_domain_name, PI_NETLOGON, &cli)) ) {
+ DEBUG(5, ("trusted_domains: Could not open a connection to %s for PIPE_NETLOGON (%s)\n",
+ contact_domain_name, nt_errstr(result)));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if ( NT_STATUS_IS_OK(result) )
+ result = cli_ds_enum_domain_trusts( cli, mem_ctx, cli->desthost, flags, &domains, (unsigned int *)&count );
+
+ if ( NT_STATUS_IS_OK(result) && count) {
+
+ /* Allocate memory for trusted domain names and sids */
+
+ if ( !(*names = (char **)talloc(mem_ctx, sizeof(char *) * count)) ) {
+ DEBUG(0, ("trusted_domains: out of memory\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ if ( !(*alt_names = (char **)talloc(mem_ctx, sizeof(char *) * count)) ) {
+ DEBUG(0, ("trusted_domains: out of memory\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ if ( !(*dom_sids = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) * count)) ) {
+ DEBUG(0, ("trusted_domains: out of memory\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ /* Copy across names and sids */
+
+ for (i = 0; i < count; i++) {
+ fstring tmp;
+ fstring tmp2;
+
+ (*names)[i] = NULL;
+ (*alt_names)[i] = NULL;
+ ZERO_STRUCT( (*dom_sids)[i] );
+
+ if ( domains[i].netbios_ptr ) {
+ unistr2_to_ascii(tmp, &domains[i].netbios_domain, sizeof(tmp) - 1);
+ (*names)[i] = talloc_strdup(mem_ctx, tmp);
+ }
+
+ if ( domains[i].dns_ptr ) {
+ unistr2_to_ascii(tmp2, &domains[i].dns_domain, sizeof(tmp2) - 1);
+ (*alt_names)[i] = talloc_strdup(mem_ctx, tmp2);
+ }
+
+ /* sometimes we will get back a NULL SID from this call */
+
+ if ( domains[i].sid_ptr )
+ sid_copy(&(*dom_sids)[i], &domains[i].sid.sid);
+ }
+
+ *num_domains = count;
+ }
+
+done:
+
+ SAFE_FREE( domains );
+
+ /* remove connection; This is a special case to the \NETLOGON pipe */
+
+ if ( cli )
+ cli_shutdown( cli );
+
+ return result;
+}
+
+/* find the domain sid for a domain */
+static NTSTATUS domain_sid(struct winbindd_domain *domain, DOM_SID *sid)
+{
+ ADS_STRUCT *ads;
+ ADS_STATUS rc;
+
+ DEBUG(3,("ads: domain_sid\n"));
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ rc = ads_domain_sid(ads, sid);
+
+ if (!ADS_ERR_OK(rc)) {
+
+ /* its a dead connection; don't destroy it though
+ since that has already been done indirectly
+ by ads_domain_sid() */
+
+ 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;
+
+ DEBUG(3,("ads: alternate_name\n"));
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ 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_m(domain->alt_name);
+ strupper_m(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
+ lookup_groupmem,
+ sequence_number,
+ trusted_domains,
+ domain_sid,
+ alternate_name
};
#endif