rgw:the arguments 'domain' should not be assigned when return false

    Hostnames: [B.A]
    Inputs: [X.BB.A]
    Return: [false]
    Output: [B.A] it is wrong.

Fixes: #12629
Signed-off-by: Ruifeng Yang <149233652@qq.com>
(cherry picked from commit 9420d24c21b4e06d62f356637599c6ec8e7e3e4d)

diff --git a/src/rgw/rgw_rest.cc b/src/rgw/rgw_rest.cc
index d385d6233c72254295f5cb50c7e9b904d9745378..00267b38e1c7304bb39d76398b4b454ff03f971f 100644 (file)
--- a/src/rgw/rgw_rest.cc
+++ b/src/rgw/rgw_rest.cc
@@ -230,8 +230,8 @@ static bool rgw_find_host_in_domains(const string& host, string *domain, string
     if (!str_ends_with(host, *iter, &pos))
       continue;
 
-    *domain = host.substr(pos);
     if (pos == 0) {
+      *domain = host;
       subdomain->clear();
     } else {
       if (host[pos - 1] != '.') {