From b0e65d3c52e7b1e167924b105eb61c87580dffe1 Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Mon, 22 Sep 2014 18:37:44 +0200
Subject: [PATCH 7/8] sysdb: sysdb_apply_default_override

---
 src/db/sysdb.h       |  4 ++++
 src/db/sysdb_views.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/src/db/sysdb.h b/src/db/sysdb.h
index 1c70288..f36892a 100644
--- a/src/db/sysdb.h
+++ b/src/db/sysdb.h
@@ -423,6 +423,10 @@ errno_t sysdb_get_view_name(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
 errno_t sysdb_store_override(struct sysdb_ctx *sysdb, const char *view_name,
                              struct sysdb_attrs *attrs, struct ldb_dn *obj_dn);
 
+errno_t sysdb_apply_default_override(struct sysdb_ctx *sysdb,
+                                     struct sysdb_attrs *override_attrs,
+                                     struct ldb_dn *obj_dn);
+
 /* Sysdb initialization.
  * call this function *only* once to initialize the database and get
  * the sysdb ctx */
diff --git a/src/db/sysdb_views.c b/src/db/sysdb_views.c
index 46f7f91..999bc66 100644
--- a/src/db/sysdb_views.c
+++ b/src/db/sysdb_views.c
@@ -377,3 +377,70 @@ done:
     talloc_zfree(tmp_ctx);
     return ret;
 }
+
+errno_t sysdb_apply_default_override(struct sysdb_ctx *sysdb,
+                                     struct sysdb_attrs *override_attrs,
+                                     struct ldb_dn *obj_dn)
+{
+    int ret;
+    TALLOC_CTX *tmp_ctx;
+    struct sysdb_attrs *attrs;
+    size_t c;
+    struct ldb_message_element *el = NULL;
+    const char *allowed_attrs[] = { SYSDB_UIDNUM,
+                                    SYSDB_GIDNUM,
+                                    SYSDB_GECOS,
+                                    SYSDB_HOMEDIR,
+                                    SYSDB_SHELL,
+                                    SYSDB_NAME,
+                                    NULL };
+    bool override_attrs_found = false;
+
+    tmp_ctx = talloc_new(NULL);
+    if (tmp_ctx == NULL) {
+        DEBUG(SSSDBG_OP_FAILURE, "talloc_new failed.\n");
+        return ENOMEM;
+    }
+
+    attrs = sysdb_new_attrs(tmp_ctx);
+    if (attrs == NULL) {
+        DEBUG(SSSDBG_OP_FAILURE, "sysdb_new_attrs failed.\n");
+        ret = ENOMEM;
+        goto done;
+    }
+
+    for (c = 0; allowed_attrs[c] != NULL; c++) {
+        ret = sysdb_attrs_get_el_ext(override_attrs, allowed_attrs[c], false,
+                                     &el);
+        if (ret == EOK) {
+            override_attrs_found = true;
+            ret = sysdb_attrs_add_val(attrs,  allowed_attrs[c], &el->values[0]);
+            if (ret != EOK) {
+                DEBUG(SSSDBG_OP_FAILURE, "sysdb_attrs_add_val failed.\n");
+                goto done;
+            }
+            DEBUG(SSSDBG_TRACE_ALL, "Override [%s] with [%.*s] for [%s].\n",
+                                    allowed_attrs[c],
+                                    el->values[0].length,
+                                    el->values[0].data,
+                                    ldb_dn_get_linearized(obj_dn));
+        } else if (ret != ENOENT) {
+            DEBUG(SSSDBG_OP_FAILURE, "sysdb_attrs_get_el_ext failed.\n");
+            goto done;
+        }
+    }
+
+    if (override_attrs_found) {
+        ret = sysdb_set_entry_attr(sysdb, obj_dn, attrs, SYSDB_MOD_REP);
+        if (ret != EOK) {
+            DEBUG(SSSDBG_OP_FAILURE, "sysdb_set_entry_attr failed.\n");
+            goto done;
+        }
+    }
+
+    ret = EOK;
+
+done:
+    talloc_free(tmp_ctx);
+    return ret;
+}
-- 
1.8.3.1