sudo: do not send domain name with username

This caused troubles with subdomain users and it is not really
necessary. This patch does not change the protocol itself, that
should be done on the earliest possible occasion.

Part of https://fedorahosted.org/sssd/ticket/1616

5 files changed, 11 insertions, 22 deletions

diff --git a/src/responder/sudo/sudosrv_cmd.c b/src/responder/sudo/sudosrv_cmd.c
index d0c578157..0aed691b2 100644
--- a/src/responder/sudo/sudosrv_cmd.c
+++ b/src/responder/sudo/sudosrv_cmd.c
@@ -84,7 +84,7 @@ static errno_t sudosrv_cmd_send_error(TALLOC_CTX *mem_ctx,
         return EFAULT;
     }
 
-    ret = sudosrv_build_response(mem_ctx, error, NULL, 0, NULL,
+    ret = sudosrv_build_response(mem_ctx, error, 0, NULL,
                                  &response_body, &response_len);
     if (ret != EOK) {
         return ret;
@@ -117,7 +117,7 @@ errno_t sudosrv_cmd_done(struct sudo_cmd_ctx *cmd_ctx, int ret)
 
         /* send result */
         ret = sudosrv_build_response(cmd_ctx, SSS_SUDO_ERROR_OK,
-                                     cmd_ctx->domain->name, num_rules, rules,
+                                     num_rules, rules,
                                      &response_body, &response_len);
         if (ret != EOK) {
             return EFAULT;
diff --git a/src/responder/sudo/sudosrv_private.h b/src/responder/sudo/sudosrv_private.h
index b80594075..c9eae57b8 100644
--- a/src/responder/sudo/sudosrv_private.h
+++ b/src/responder/sudo/sudosrv_private.h
@@ -103,7 +103,6 @@ errno_t sudosrv_parse_query_recv(TALLOC_CTX *mem_ctx,
 
 errno_t sudosrv_build_response(TALLOC_CTX *mem_ctx,
                                uint32_t error,
-                               const char *domain,
                                int rules_num,
                                struct sysdb_attrs **rules,
                                uint8_t **_response_body,
diff --git a/src/responder/sudo/sudosrv_query.c b/src/responder/sudo/sudosrv_query.c
index d76ecbb9d..998b60235 100644
--- a/src/responder/sudo/sudosrv_query.c
+++ b/src/responder/sudo/sudosrv_query.c
@@ -188,7 +188,6 @@ done:
  */
 errno_t sudosrv_build_response(TALLOC_CTX *mem_ctx,
                                uint32_t error,
-                               const char *domain,
                                int rules_num,
                                struct sysdb_attrs **rules,
                                uint8_t **_response_body,
@@ -217,8 +216,9 @@ errno_t sudosrv_build_response(TALLOC_CTX *mem_ctx,
         goto done;
     }
 
-    /* domain name */
-    ret = sudosrv_response_append_string(tmp_ctx, domain, strlen(domain) + 1,
+    /* domain name - deprecated
+     * TODO: when possible change the protocol */
+    ret = sudosrv_response_append_string(tmp_ctx, "\0", 1,
                                          &response_body, &response_len);
     if (ret != EOK) {
         goto fail;
diff --git a/src/sss_client/sudo/sss_sudo.c b/src/sss_client/sudo/sss_sudo.c
index e2bb3e00d..92f575411 100644
--- a/src/sss_client/sudo/sss_sudo.c
+++ b/src/sss_client/sudo/sss_sudo.c
@@ -100,23 +100,10 @@ int sss_sudo_send_recv(uid_t uid,
         return EINVAL;
     }
 
-    if (domainname != NULL) {
-        ret = asprintf(&fullname, "%s@%s", username, domainname);
-        if (ret == -1) {
-            return ENOMEM;
-        }
-    } else {
-        fullname = strdup(username);
-        if (fullname == NULL) {
-            return ENOMEM;
-        }
-    }
-
     /* send query and receive response */
 
-    ret = sss_sudo_send_recv_generic(SSS_SUDO_GET_SUDORULES, uid, fullname,
+    ret = sss_sudo_send_recv_generic(SSS_SUDO_GET_SUDORULES, uid, username,
                                      _error, NULL, _result);
-    free(fullname);
     return ret;
 }
 
diff --git a/src/sss_client/sudo/sss_sudo_response.c b/src/sss_client/sudo/sss_sudo_response.c
index 471d42ed4..7d4bcc5d2 100644
--- a/src/sss_client/sudo/sss_sudo_response.c
+++ b/src/sss_client/sudo/sss_sudo_response.c
@@ -67,14 +67,17 @@ int sss_sudo_parse_response(const char *message,
         return ret;
     }
 
-    /* domain name */
+    /* domain name - deprecated
+     * it won't be used, but we will read it anyway to ease parsing
+     * TODO: when possible change the protocol */
     ret = sss_sudo_parse_string(message, message_len, &cursor, &domainname);
     if (ret != EOK) {
         return ret;
     }
 
+    free(domainname);
     if (_domainname != NULL) {
-        *_domainname = domainname;
+        *_domainname = NULL;
     }
 
     /* result */