Restconf mem leak

apps/restconf/restconf_err.c

@@ -128,6 +128,8 @@ restconf_not_acceptable(clixon_handle  h,
         goto done;
     retval = 0;
  done:
+    if (xerr)
+        xml_free(xerr);
     return retval;
 }
 

lib/src/clixon_netconf_lib.c

@@ -1202,20 +1202,24 @@ netconf_operation_not_supported_xml(cxobj **xret,
     int   retval =-1;
     cxobj *xerr;
     char  *encstr = NULL;
+    cxobj *x = NULL;
     
     if (xret == NULL){
         clixon_err(OE_NETCONF, EINVAL, "xret is NULL");
         goto done;      
     }
     if (*xret == NULL){
-        if ((*xret = xml_new("rpc-reply", NULL, CX_ELMNT)) == NULL)
+        if ((x = xml_new("rpc-reply", NULL, CX_ELMNT)) == NULL)
             goto done;
     }
-    else if (xml_name_set(*xret, "rpc-reply") < 0)
+    else {
+        x = *xret;
+        if (xml_name_set(x, "rpc-reply") < 0)
             goto done;
-    if (xml_add_attr(*xret, "xmlns", NETCONF_BASE_NAMESPACE, NULL, NULL) == NULL)
+    }
+    if (xml_add_attr(x, "xmlns", NETCONF_BASE_NAMESPACE, NULL, NULL) == NULL)
         goto done;
-    if ((xerr = xml_new("rpc-error", *xret, CX_ELMNT)) == NULL)
+    if ((xerr = xml_new("rpc-error", x, CX_ELMNT)) == NULL)
         goto done;
     if (clixon_xml_parse_va(YB_NONE, NULL, &xerr, NULL, "<error-type>%s</error-type>"
                             "<error-tag>operation-not-supported</error-tag>"
@@ -1229,8 +1233,13 @@ netconf_operation_not_supported_xml(cxobj **xret,
                                 encstr) < 0)
             goto done;
     }
+    if (x != *xret)
+        *xret = x;
+    x = NULL;
     retval = 0;
  done:
+    if (x && x != *xret)
+        xml_free(x);
     if (encstr)
         free(encstr);
     return retval;

lib/src/clixon_plugin.c

@@ -1533,7 +1533,6 @@ upgrade_callback_call(clixon_handle h,
 {
     int                 retval = -1;
     upgrade_callback_t *uc;
-    int                 nr = 0; /* How many callbacks */
     int                 ret;
     plugin_module_struct *ms = plugin_module_struct_get(h);
 
@@ -1564,7 +1563,6 @@ upgrade_callback_call(clixon_handle h,
                     }
                     goto fail;
                 }
-                nr++;
             }
             uc = NEXTQ(upgrade_callback_t *, uc);
         } while (uc != ms->ms_upgrade_callbacks);

lib/src/clixon_validate_minmax.c

@@ -912,7 +912,6 @@ xml_yang_validate_unique(cxobj  *xt,
     yang_stmt    *y;
     yang_stmt    *yprev = NULL;
     enum rfc_6020 keyw;
-    int           nr = 0;
     int           ret;
 
     while ((x = xml_child_each(xt, x, CX_ELMNT)) != NULL){
@@ -922,10 +921,8 @@ xml_yang_validate_unique(cxobj  *xt,
         if (keyw == Y_LIST || keyw == Y_LEAF_LIST){
             /* equal: just continue*/
             if (y == yprev){
-                nr++;
                 continue;
             }
-            nr=1;
             /* new list check */
             switch (keyw){
             case Y_LIST:

test/lib.sh

@@ -596,6 +596,7 @@ function start_restconf(){
     if [ $? -ne 0 ]; then
         err1 "expected 0" "$?"
     fi
+    RCPID=$!
 }
 
 # Stop restconf daemon before test
@@ -609,10 +610,12 @@ function stop_restconf_pre(){
 # 2) Dont use -u $WWWUSER since clixon_restconf may drop privileges.
 # 3) After fork, it seems to take some time before name is right
 function stop_restconf(){
-    sudo pkill -f clixon_restconf
     if [ $valgrindtest -eq 3 ]; then
+        sudo kill ${RCPID}
         sleep 1
         checkvalgrind
+    else
+        sudo pkill -f clixon_restconf
     fi
 }
 

test/mem.sh

@@ -13,7 +13,6 @@ function memonce(){
 
     valgrindfile=$(mktemp)
     echo "valgrindfile:$valgrindfile"
-
     clixon_backend=
     clixon_restconf=
     clixon_cli=
@@ -30,9 +29,10 @@ function memonce(){
             ;;
         'restconf')
             valgrindtest=3 # This means restconf valgrind test
+            sudo chown root $valgrindfile
+            sudo chmod 777  $valgrindfile
             : ${DEMWAIT:=15} # valgrind backend needs some time to get up
             clixon_restconf="/usr/bin/valgrind --num-callers=50 --leak-check=full --show-leak-kinds=all --suppressions=./valgrind-clixon.supp --track-fds=yes --trace-children=no  --child-silent-after-fork=yes --log-file=$valgrindfile clixon_restconf"
-
             ;;
         'cli')
             valgrindtest=1