Fixed handling of conflicting wildcard server names.

With previous code wildcard names were added to hash even if conflict
was detected.  This resulted in identical names in hash and segfault
later in ngx_hash_wildcard_init().

1 files changed, 13 insertions, 11 deletions

diff --git a/src/core/ngx_hash.c b/src/core/ngx_hash.c
index 7d04f7484..b53294502 100644
--- a/src/core/ngx_hash.c
+++ b/src/core/ngx_hash.c
@@ -924,17 +924,6 @@ wildcard:
     }
 
 
-    hk = ngx_array_push(hwc);
-    if (hk == NULL) {
-        return NGX_ERROR;
-    }
-
-    hk->key.len = last - 1;
-    hk->key.data = p;
-    hk->key_hash = 0;
-    hk->value = value;
-
-
     /* check conflicts in wildcard hash */
 
     name = keys->elts;
@@ -972,5 +961,18 @@ wildcard:
 
     ngx_memcpy(name->data, key->data + skip, name->len);
 
+
+    /* add to wildcard hash */
+
+    hk = ngx_array_push(hwc);
+    if (hk == NULL) {
+        return NGX_ERROR;
+    }
+
+    hk->key.len = last - 1;
+    hk->key.data = p;
+    hk->key_hash = 0;
+    hk->value = value;
+
     return NGX_OK;
 }