NSS: Move output name formatting to utils

Move NSS nss_get_name_from_msg and the core of sized_output_name to the
utils to make them available to provider and other responders.

Reviewed-by: Pavel Březina <pbrezina@redhat.com>

2 files changed, 76 insertions, 0 deletions

diff --git a/src/util/usertools.c b/src/util/usertools.c
index 7b87c567a..5dfe6d776 100644
--- a/src/util/usertools.c
+++ b/src/util/usertools.c
@@ -816,3 +816,70 @@ done:
     talloc_free(tmp_ctx);
     return outname;
 }
+
+const char *
+sss_get_name_from_msg(struct sss_domain_info *domain,
+                      struct ldb_message *msg)
+{
+    const char *name;
+
+    /* If domain has a view associated we return overridden name
+     * if possible. */
+    if (DOM_HAS_VIEWS(domain)) {
+        name = ldb_msg_find_attr_as_string(msg, OVERRIDE_PREFIX SYSDB_NAME,
+                                           NULL);
+        if (name != NULL) {
+            return name;
+        }
+    }
+
+    /* Otherwise we try to return name override from
+     * Default Truest View for trusted users. */
+    name = ldb_msg_find_attr_as_string(msg, SYSDB_DEFAULT_OVERRIDE_NAME, NULL);
+    if (name != NULL) {
+        return name;
+    }
+
+    /* If no override is found we return the original name. */
+    return ldb_msg_find_attr_as_string(msg, SYSDB_NAME, NULL);
+}
+
+int sss_output_fqname(TALLOC_CTX *mem_ctx,
+                      struct sss_domain_info *domain,
+                      const char *name,
+                      char override_space,
+                      char **_output_name)
+{
+    TALLOC_CTX *tmp_ctx = NULL;
+    errno_t ret;
+    char *output_name;
+
+    tmp_ctx = talloc_new(NULL);
+    if (tmp_ctx == NULL) {
+        ret = ENOMEM;
+        goto done;
+    }
+
+    output_name = sss_output_name(tmp_ctx, name, domain->case_preserve,
+                                  override_space);
+    if (output_name == NULL) {
+        ret = EIO;
+        goto done;
+    }
+
+    if (domain->fqnames) {
+        output_name = sss_tc_fqname(tmp_ctx, domain->names,
+                                    domain, output_name);
+        if (output_name == NULL) {
+            DEBUG(SSSDBG_CRIT_FAILURE, "sss_tc_fqname failed\n");
+            ret = EIO;
+            goto done;
+        }
+    }
+
+    *_output_name = talloc_steal(mem_ctx, output_name);
+    ret = EOK;
+done:
+    talloc_zfree(tmp_ctx);
+    return ret;
+}
diff --git a/src/util/util.h b/src/util/util.h
index 4ef13ced4..5ba4c36ca 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -304,6 +304,15 @@ char *sss_output_name(TALLOC_CTX *mem_ctx,
                       bool case_sensitive,
                       const char replace_space);
 
+int sss_output_fqname(TALLOC_CTX *mem_ctx,
+                      struct sss_domain_info *domain,
+                      const char *name,
+                      char override_space,
+                      char **_output_name);
+
+const char *sss_get_name_from_msg(struct sss_domain_info *domain,
+                                  struct ldb_message *msg);
+
 /* from backup-file.c */
 int backup_file(const char *src, int dbglvl);