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From ef6d1aaaa416bca3318e2961269620db7720a55b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C5=BDidek?= <mzidek@redhat.com>
Date: Tue, 11 Apr 2017 19:56:37 +0200
Subject: [PATCH 117/118] SDAP: Fix handling of search bases

We were rewriting the sdap_domain's search bases for only the first
sdap_domain in the list, which does not work for subdomains.

Also when search bases were already initialized in sdap_domain_subdom_add,
we should only rewrite them when they were explicitly set in sssd.conf.

Resolves:
https://pagure.io/SSSD/sssd/issue/3351

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
(cherry picked from commit 4c49edbd8df651b1737c59459637962c117212c6)
---
 src/providers/ad/ad_common.c              | 39 +++++++++++++++++++++----------
 src/providers/ad/ad_common.h              |  3 ++-
 src/providers/ipa/ipa_subdomains_server.c |  2 +-
 src/providers/ldap/ldap_options.c         |  2 --
 4 files changed, 30 insertions(+), 16 deletions(-)

diff --git a/src/providers/ad/ad_common.c b/src/providers/ad/ad_common.c
index f893b748a2ddcff1eab6e8d919d2aa950b825446..1a9d8dc0bfdf18e76e3c97a7ac7e297c4d24fd44 100644
--- a/src/providers/ad/ad_common.c
+++ b/src/providers/ad/ad_common.c
@@ -29,7 +29,8 @@ struct ad_server_data {
     bool gc;
 };
 
-errno_t ad_set_search_bases(struct sdap_options *id_opts);
+errno_t ad_set_search_bases(struct sdap_options *id_opts,
+                            struct sdap_domain *sdap);
 static errno_t ad_set_sdap_options(struct ad_options *ad_opts,
                                    struct sdap_options *id_opts);
 
@@ -1074,7 +1075,7 @@ ad_get_id_options(struct ad_options *ad_opts,
     }
 
     /* Set up search bases if they were assigned explicitly */
-    ret = ad_set_search_bases(id_opts);
+    ret = ad_set_search_bases(id_opts, NULL);
     if (ret != EOK) {
         talloc_free(id_opts);
         return ret;
@@ -1116,11 +1117,14 @@ ad_get_autofs_options(struct ad_options *ad_opts,
 }
 
 errno_t
-ad_set_search_bases(struct sdap_options *id_opts)
+ad_set_search_bases(struct sdap_options *id_opts,
+                    struct sdap_domain *sdom)
 {
     errno_t ret;
-    char *default_search_base;
+    char *default_search_base = NULL;
     size_t o;
+    struct sdap_domain *sdap_dom;
+    bool has_default;
     const int search_base_options[] = { SDAP_USER_SEARCH_BASE,
                                         SDAP_GROUP_SEARCH_BASE,
                                         SDAP_NETGROUP_SEARCH_BASE,
@@ -1132,10 +1136,21 @@ ad_set_search_bases(struct sdap_options *id_opts)
      * been specifically overridden.
      */
 
-    default_search_base =
-            dp_opt_get_string(id_opts->basic, SDAP_SEARCH_BASE);
+    if (sdom != NULL) {
+        sdap_dom = sdom;
+    } else {
+        /* If no specific sdom was given, use the first in the list. */
+        sdap_dom = id_opts->sdom;
+    }
 
-    if (default_search_base) {
+    has_default = sdap_dom->search_bases != NULL;
+
+    if (has_default == false) {
+        default_search_base =
+                dp_opt_get_string(id_opts->basic, SDAP_SEARCH_BASE);
+    }
+
+    if (default_search_base && has_default == false) {
         /* set search bases if they are not */
         for (o = 0; search_base_options[o] != -1; o++) {
             if (NULL == dp_opt_get_string(id_opts->basic,
@@ -1162,31 +1177,31 @@ ad_set_search_bases(struct sdap_options *id_opts)
     /* Default search */
     ret = sdap_parse_search_base(id_opts, id_opts->basic,
                                  SDAP_SEARCH_BASE,
-                                 &id_opts->sdom->search_bases);
+                                 &sdap_dom->search_bases);
     if (ret != EOK && ret != ENOENT) goto done;
 
     /* User search */
     ret = sdap_parse_search_base(id_opts, id_opts->basic,
                                  SDAP_USER_SEARCH_BASE,
-                                 &id_opts->sdom->user_search_bases);
+                                 &sdap_dom->user_search_bases);
     if (ret != EOK && ret != ENOENT) goto done;
 
     /* Group search base */
     ret = sdap_parse_search_base(id_opts, id_opts->basic,
                                  SDAP_GROUP_SEARCH_BASE,
-                                 &id_opts->sdom->group_search_bases);
+                                 &sdap_dom->group_search_bases);
     if (ret != EOK && ret != ENOENT) goto done;
 
     /* Netgroup search */
     ret = sdap_parse_search_base(id_opts, id_opts->basic,
                                  SDAP_NETGROUP_SEARCH_BASE,
-                                 &id_opts->sdom->netgroup_search_bases);
+                                 &sdap_dom->netgroup_search_bases);
     if (ret != EOK && ret != ENOENT) goto done;
 
     /* Service search */
     ret = sdap_parse_search_base(id_opts, id_opts->basic,
                                  SDAP_SERVICE_SEARCH_BASE,
-                                 &id_opts->sdom->service_search_bases);
+                                 &sdap_dom->service_search_bases);
     if (ret != EOK && ret != ENOENT) goto done;
 
     ret = EOK;
diff --git a/src/providers/ad/ad_common.h b/src/providers/ad/ad_common.h
index 2981550f6c390929501ec8942e861b16ea0a5cb0..ce33b37c75f45ae72adb268858cce34759b8b02f 100644
--- a/src/providers/ad/ad_common.h
+++ b/src/providers/ad/ad_common.h
@@ -130,7 +130,8 @@ struct ad_options *ad_create_1way_trust_options(TALLOC_CTX *mem_ctx,
                                                 const char *keytab,
                                                 const char *sasl_authid);
 
-errno_t ad_set_search_bases(struct sdap_options *id_opts);
+errno_t ad_set_search_bases(struct sdap_options *id_opts,
+                            struct sdap_domain *sdap);
 
 errno_t
 ad_failover_init(TALLOC_CTX *mem_ctx, struct be_ctx *ctx,
diff --git a/src/providers/ipa/ipa_subdomains_server.c b/src/providers/ipa/ipa_subdomains_server.c
index e8ee30392d84f84e30bcdaa3d2110ba130b1ad73..b02ea67af964a03e5466067cdb2b3ba4498120eb 100644
--- a/src/providers/ipa/ipa_subdomains_server.c
+++ b/src/providers/ipa/ipa_subdomains_server.c
@@ -332,7 +332,7 @@ ipa_ad_ctx_new(struct be_ctx *be_ctx,
         return EFAULT;
     }
 
-    ret = ad_set_search_bases(ad_options->id);
+    ret = ad_set_search_bases(ad_options->id, sdom);
     if (ret != EOK) {
         DEBUG(SSSDBG_OP_FAILURE, "Cannot initialize AD search bases\n");
         talloc_free(ad_options);
diff --git a/src/providers/ldap/ldap_options.c b/src/providers/ldap/ldap_options.c
index 15a2609f07506b6dd442b180651a7e25461976c0..eb4e177b456253ebdfa06ee52886a5dffe0d3351 100644
--- a/src/providers/ldap/ldap_options.c
+++ b/src/providers/ldap/ldap_options.c
@@ -581,8 +581,6 @@ errno_t sdap_parse_search_base(TALLOC_CTX *mem_ctx,
     char *unparsed_base;
     const char *old_filter = NULL;
 
-    *_search_bases = NULL;
-
     switch (class) {
     case SDAP_SEARCH_BASE:
         class_name = "DEFAULT";
-- 
2.9.3