2 Unix SMB/CIFS implementation.
4 Some Helpful wrappers on LDAP
6 Copyright (C) Andrew Tridgell 2001
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 a wrapper around ldap_search_s that retries depending on the error code
28 this is supposed to catch dropped connections and auto-reconnect
30 static ADS_STATUS ads_do_search_retry_internal(ADS_STRUCT *ads, const char *bind_path, int scope,
32 const char **attrs, void *args, void **res)
34 ADS_STATUS status = ADS_SUCCESS;
41 time(NULL) - ads->last_attempt < ADS_RECONNECT_TIME) {
42 return ADS_ERROR(LDAP_SERVER_DOWN);
45 bp = SMB_STRDUP(bind_path);
48 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
52 status = ads_do_search_all_args(ads, bp, scope, expr, attrs, args, res);
53 if (ADS_ERR_OK(status)) {
54 DEBUG(5,("Search for %s gave %d replies\n",
55 expr, ads_count_replies(ads, *res)));
63 ads_msgfree(ads, *res);
66 DEBUG(3,("Reopening ads connection to realm '%s' after error %s\n",
67 ads->config.realm, ads_errstr(status)));
74 status = ads_connect(ads);
76 if (!ADS_ERR_OK(status)) {
77 DEBUG(1,("ads_search_retry: failed to reconnect (%s)\n",
85 status = ads_do_search_all_args(ads, bp, scope, expr, attrs, args, res);
86 if (ADS_ERR_OK(status)) {
87 DEBUG(5,("Search for %s gave %d replies\n",
88 expr, ads_count_replies(ads, *res)));
95 if (!ADS_ERR_OK(status))
96 DEBUG(1,("ads reopen failed after error %s\n",
102 ADS_STATUS ads_do_search_retry(ADS_STRUCT *ads, const char *bind_path, int scope,
104 const char **attrs, void **res)
106 return ads_do_search_retry_internal(ads, bind_path, scope, expr, attrs, NULL, res);
109 ADS_STATUS ads_do_search_retry_args(ADS_STRUCT *ads, const char *bind_path, int scope,
111 const char **attrs, void *args, void **res)
113 return ads_do_search_retry_internal(ads, bind_path, scope, expr, attrs, args, res);
117 ADS_STATUS ads_search_retry(ADS_STRUCT *ads, void **res,
121 return ads_do_search_retry(ads, ads->config.bind_path, LDAP_SCOPE_SUBTREE,
125 ADS_STATUS ads_search_retry_dn(ADS_STRUCT *ads, void **res,
129 return ads_do_search_retry(ads, dn, LDAP_SCOPE_BASE,
130 "(objectclass=*)", attrs, res);
133 ADS_STATUS ads_search_retry_extended_dn(ADS_STRUCT *ads, void **res,
136 enum ads_extended_dn_flags flags)
140 args.control = ADS_EXTENDED_DN_OID;
142 args.critical = True;
144 return ads_do_search_retry_args(ads, dn, LDAP_SCOPE_BASE,
145 "(objectclass=*)", attrs, &args, res);
148 ADS_STATUS ads_search_retry_sid(ADS_STRUCT *ads, void **res,
152 char *dn, *sid_string;
155 sid_string = sid_binstring_hex(sid);
156 if (sid_string == NULL) {
157 return ADS_ERROR(LDAP_NO_MEMORY);
160 if (!asprintf(&dn, "<SID=%s>", sid_string)) {
161 SAFE_FREE(sid_string);
162 return ADS_ERROR(LDAP_NO_MEMORY);
165 status = ads_do_search_retry(ads, dn, LDAP_SCOPE_BASE,
166 "(objectclass=*)", attrs, res);
168 SAFE_FREE(sid_string);