#ifdef HAVE_ADS
+/* the realm of our primary LDAP server */
+static char *primary_realm;
+
+
+/*
+ a wrapper around ldap_search_s that retries depending on the error code
+ this is supposed to catch dropped connections and auto-reconnect
+*/
+int ads_do_search_retry(ADS_STRUCT *ads, const char *bind_path, int scope,
+ const char *exp,
+ const char **attrs, void **res)
+{
+ int rc = -1;
+ ADS_RETURN_CODE rc2;
+ int count = 3;
+
+ if (!ads->ld &&
+ time(NULL) - ads->last_attempt < ADS_RECONNECT_TIME) {
+ return LDAP_SERVER_DOWN;
+ }
+
+ while (count--) {
+ rc = ads_do_search(ads, bind_path, scope, exp, attrs, res);
+ if (rc == 0) {
+ DEBUG(5,("Search for %s gave %d replies\n",
+ exp, ads_count_replies(ads, *res)));
+ return rc;
+ }
+
+ if (*res) ads_msgfree(ads, *res);
+ *res = NULL;
+ DEBUG(1,("Reopening ads connection after error %s\n", ads_errstr(rc)));
+ if (ads->ld) {
+ /* we should unbind here, but that seems to trigger openldap bugs :(
+ ldap_unbind(ads->ld);
+ */
+ }
+ ads->ld = NULL;
+ rc2 = ads_connect(ads);
+ if (rc2.rc) {
+ DEBUG(1,("ads_search_retry: failed to reconnect:\n"));
+ if(rc2.error_type)
+ ads_display_status("", rc2.rc, rc2.minor_status);
+ else
+ DEBUG(1,("LDAP error: %s\n", ads_errstr(rc2.rc)));
+
+ ads_destroy(&ads);
+ return rc2.rc;
+ }
+ }
+ DEBUG(1,("ads reopen failed after error %s\n", ads_errstr(rc)));
+ return rc;
+}
+
+
+int ads_search_retry(ADS_STRUCT *ads, void **res,
+ const char *exp,
+ const char **attrs)
+{
+ return ads_do_search_retry(ads, ads->bind_path, LDAP_SCOPE_SUBTREE,
+ exp, attrs, res);
+}
+
+int ads_search_retry_dn(ADS_STRUCT *ads, void **res,
+ const char *dn,
+ const char **attrs)
+{
+ return ads_do_search_retry(ads, dn, LDAP_SCOPE_BASE,
+ "(objectclass=*)", attrs, res);
+}
/*
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_RETURN_CODE rc;
+ char *ccache;
+ struct in_addr server_ip;
if (domain->private) {
return (ADS_STRUCT *)domain->private;
}
- ads = ads_init(NULL, NULL, NULL);
+ /* we don't want this to affect the users ccache */
+ ccache = lock_path("winbindd_ccache");
+ SETENV("KRB5CCNAME", ccache, 1);
+ unlink(ccache);
+
+ if (!resolve_name(domain->name, &server_ip, 0x1b)) {
+ DEBUG(1,("Can't find PDC for domain %s\n", domain->name));
+ return NULL;
+ }
+
+ ads = ads_init(primary_realm, inet_ntoa(server_ip), NULL, 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->password);
+ ads->password = secrets_fetch_machine_password();
+
rc = ads_connect(ads);
- if (rc) {
- DEBUG(1,("ads_connect for domain %s failed: %s\n", domain->name, ads_errstr(rc)));
+ if (rc.rc) {
+ DEBUG(1,("ads_connect for domain %s failed:\n", domain->name));
+ if(rc.error_type)
+ ads_display_status("", rc.rc, rc.minor_status);
+ else
+ DEBUG(1,("LDAP error: %s\n", ads_errstr(rc.rc)));
+
ads_destroy(&ads);
return NULL;
}
+ /* remember our primary realm for trusted domain support */
+ if (!primary_realm) {
+ primary_realm = strdup(ads->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 *start_ndx, uint32 *num_entries,
+ uint32 *num_entries,
WINBIND_USERINFO **info)
{
ADS_STRUCT *ads = NULL;
const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
- "userAccountControl", NULL};
+ "sAMAccountType", NULL};
int rc, i, count;
void *res = NULL;
void *msg = NULL;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- DEBUG(3,("ads: query_user_list\n"));
+ *num_entries = 0;
- if ((*start_ndx) != 0) {
- DEBUG(1,("ads backend start_ndx not implemented!\n"));
- status = NT_STATUS_NOT_IMPLEMENTED;
- goto done;
- }
+ DEBUG(3,("ads: query_user_list\n"));
ads = ads_cached_connection(domain);
if (!ads) goto done;
- rc = ads_search(ads, &res, "(objectclass=user)", attrs);
+ rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
if (rc) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
goto done;
char *name, *gecos;
DOM_SID sid;
uint32 rid, group;
- uint32 account_control;
+ uint32 atype;
- if (!ads_pull_uint32(ads, msg, "userAccountControl",
- &account_control) ||
- !(account_control & UF_NORMAL_ACCOUNT)) continue;
+ 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");
gecos = ads_pull_string(ads, mem_ctx, msg, "name");
(*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);
/* 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;
void *msg = NULL;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- DEBUG(3,("ads: enum_dom_groups\n"));
+ *num_entries = 0;
- if ((*start_ndx) != 0) {
- DEBUG(1,("ads backend start_ndx not implemented\n"));
- status = NT_STATUS_NOT_IMPLEMENTED;
- goto done;
- }
+ DEBUG(3,("ads: enum_dom_groups\n"));
ads = ads_cached_connection(domain);
if (!ads) goto done;
- rc = ads_search(ads, &res, "(objectclass=group)", attrs);
+ rc = ads_search_retry(ads, &res, "(objectCategory=group)", attrs);
if (rc) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
goto done;
status = NT_STATUS_OK;
+ DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries)));
+
done:
if (res) ads_msgfree(ads, res);
void *res = NULL;
char *exp;
uint32 t;
- fstring name2, dom2;
+ fstring name2, dom2, fullname2;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
/* sigh. Need to fix interface to give us a raw name */
- if (!parse_domain_user(name, dom2, name2)) {
+ fstrcpy(fullname2, name);
+ fstring_sub(fullname2, "\\", lp_winbind_separator());
+ if (!parse_domain_user(fullname2, dom2, name2)) {
goto done;
}
if (!ads) goto done;
asprintf(&exp, "(sAMAccountName=%s)", name2);
- rc = ads_search(ads, &res, exp, attrs);
+ rc = ads_search_retry(ads, &res, exp, attrs);
free(exp);
if (rc) {
DEBUG(1,("name_to_sid ads_search: %s\n", ads_errstr(rc)));
status = NT_STATUS_OK;
+ DEBUG(3,("ads name_to_sid mapped %s\n", name));
+
done:
if (res) ads_msgfree(ads, res);
ads = ads_cached_connection(domain);
if (!ads) goto done;
- sidstr = ads_sid_binstring(sid);
+ sidstr = sid_binstring(sid);
asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
+ rc = ads_search_retry(ads, &msg, exp, attrs);
free(exp);
free(sidstr);
if (rc) {
*type = ads_atype_map(atype);
status = NT_STATUS_OK;
+
+ DEBUG(3,("ads sid_to_name mapped %s\n", *name));
+
done:
if (msg) ads_msgfree(ads, msg);
WINBIND_USERINFO *info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
- "userAccountControl", NULL};
+ const char *attrs[] = {"sAMAccountName", "name", "objectSid",
+ "primaryGroupID", NULL};
int rc, count;
void *msg = NULL;
char *exp;
ads = ads_cached_connection(domain);
if (!ads) goto done;
- sidstr = ads_sid_binstring(&sid);
+ sidstr = sid_binstring(&sid);
asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
+ rc = ads_search_retry(ads, &msg, exp, attrs);
free(exp);
free(sidstr);
if (rc) {
status = NT_STATUS_OK;
+ DEBUG(3,("ads query_user gave %s\n", info->acct_name));
done:
if (msg) ads_msgfree(ads, msg);
char *sidstr;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ *num_groups = 0;
+
DEBUG(3,("ads: lookup_usergroups\n"));
(*num_groups) = 0;
ads = ads_cached_connection(domain);
if (!ads) goto done;
- sidstr = ads_sid_binstring(&sid);
+ sidstr = sid_binstring(&sid);
asprintf(&exp, "(objectSid=%s)", sidstr);
- rc = ads_search(ads, &msg, exp, attrs);
+ rc = ads_search_retry(ads, &msg, exp, attrs);
free(exp);
free(sidstr);
if (rc) {
if (msg) ads_msgfree(ads, msg);
- rc = ads_search_dn(ads, &msg, user_dn, attrs2);
+ rc = ads_search_retry_dn(ads, &msg, user_dn, attrs2);
if (rc) {
DEBUG(1,("lookup_usergroups(rid=%d) ads_search tokenGroups: %s\n", user_rid, 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));
+ DEBUG(1,("%s: No primary group for rid=%d !?\n", domain->name, user_rid));
goto done;
}
}
status = NT_STATUS_OK;
+ DEBUG(3,("ads lookup_usergroups for rid=%d\n", user_rid));
done:
if (msg) ads_msgfree(ads, msg);
if (!ads) goto done;
sid_from_rid(domain, group_rid, &group_sid);
- sidstr = ads_sid_binstring(&group_sid);
+ sidstr = 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)))",
+ asprintf(&exp, "(&(objectCategory=user)(|(primaryGroupID=%d)(memberOf=%s)))",
group_rid, sidstr);
- rc = ads_search(ads, &res, exp, attrs);
+ rc = ads_search_retry(ads, &res, exp, attrs);
free(exp);
free(sidstr);
if (rc) {
}
status = NT_STATUS_OK;
+ DEBUG(3,("ads lookup_groupmem for rid=%d\n", group_rid));
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;
+
+ *seq = DOM_SEQUENCE_NONE;
+
+ ads = ads_cached_connection(domain);
+ if (!ads) return NT_STATUS_UNSUCCESSFUL;
+
+ if (!ads_USN(ads, seq)) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* get a list of trusted domains */
+static NTSTATUS trusted_domains(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ uint32 *num_domains,
+ char ***names,
+ DOM_SID **dom_sids)
+{
+ ADS_STRUCT *ads = NULL;
+
+ *num_domains = 0;
+ *names = NULL;
+
+ ads = ads_cached_connection(domain);
+ if (!ads) return NT_STATUS_UNSUCCESSFUL;
+
+ if (!ads_trusted_domains(ads, mem_ctx, num_domains, names, dom_sids)) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/* find the domain sid for a domain */
+static NTSTATUS domain_sid(struct winbindd_domain *domain, DOM_SID *sid)
+{
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ const char *attrs[] = {"objectSid", NULL};
+ ADS_STRUCT *ads = NULL;
+ void *res;
+ int rc;
+
+ ads = ads_cached_connection(domain);
+ if (!ads) goto done;
+
+ rc = ads_do_search(ads, ads->bind_path, LDAP_SCOPE_BASE, "(objectclass=*)",
+ attrs, &res);
+ if (rc) goto done;
+ if (ads_pull_sid(ads, res, "objectSid", sid)) {
+ status = NT_STATUS_OK;
+ }
+ ads_msgfree(ads, res);
+
+done:
+ return status;
+}
+
/* the ADS backend methods are exposed via this structure */
struct winbindd_methods ads_methods = {
+ True,
query_user_list,
enum_dom_groups,
name_to_sid,
sid_to_name,
query_user,
lookup_usergroups,
- lookup_groupmem
+ lookup_groupmem,
+ sequence_number,
+ trusted_domains,
+ domain_sid
};
#endif