rgw: fix SignatureDoesNotMatch when extra headers

Headers start with 'x-amz' but not 'x-amz-', should not be in the list of CanonicalHeaders.

Signed-off-by: rui ma <[email protected]>

Author: RickyMaRui

src/rgw/rgw_common.cc

@@ -385,13 +385,13 @@ struct str_len {
 
 #define STR_LEN_ENTRY(s) { s, sizeof(s) - 1 }
 
-struct str_len meta_prefixes[] = { STR_LEN_ENTRY("HTTP_X_AMZ"),
-                                   STR_LEN_ENTRY("HTTP_X_GOOG"),
-                                   STR_LEN_ENTRY("HTTP_X_DHO"),
-                                   STR_LEN_ENTRY("HTTP_X_RGW"),
-                                   STR_LEN_ENTRY("HTTP_X_OBJECT"),
-                                   STR_LEN_ENTRY("HTTP_X_CONTAINER"),
-                                   STR_LEN_ENTRY("HTTP_X_ACCOUNT"),
+struct str_len meta_prefixes[] = { STR_LEN_ENTRY("HTTP_X_AMZ_"),
+                                   STR_LEN_ENTRY("HTTP_X_GOOG_"),
+                                   STR_LEN_ENTRY("HTTP_X_DHO_"),
+                                   STR_LEN_ENTRY("HTTP_X_RGW_"),
+                                   STR_LEN_ENTRY("HTTP_X_OBJECT_"),
+                                   STR_LEN_ENTRY("HTTP_X_CONTAINER_"),
+                                   STR_LEN_ENTRY("HTTP_X_ACCOUNT_"),
                                    {NULL, 0} };
 
 void req_info::init_meta_info(const DoutPrefixProvider *dpp, bool *found_bad_meta)
@@ -411,7 +411,7 @@ void req_info::init_meta_info(const DoutPrefixProvider *dpp, bool *found_bad_met
         const char *name = p+len; /* skip the prefix */
         int name_len = header_name.size() - len;
 
-        if (found_bad_meta && strncmp(name, "_META_", name_len) == 0)
+        if (found_bad_meta && strncmp(name, "META_", name_len) == 0)
           *found_bad_meta = true;
 
         char name_low[meta_prefixes[0].len + name_len + 1];