lib-http: http-url - Improve error messages by showing which character is unexpected.

diff --git a/src/lib-http/http-url.c b/src/lib-http/http-url.c
index 229a58a0b3b7feb3306a7f456484d05d0b7dc8b5..4a9e3a85bef11c55e0f55e24b89930003b1741aa 100644 (file)
--- a/src/lib-http/http-url.c
+++ b/src/lib-http/http-url.c
@@ -464,9 +464,16 @@ int http_url_request_target_parse(const char *request_target,
                        return -1;
                }
 
-               if (parser->cur != parser->end || auth.enc_userinfo != NULL) {
+               if (parser->cur != parser->end) {
+                       *error_r = t_strdup_printf(
+                               "Invalid Host header: "
+                               "Contains invalid character %s",
+                               uri_char_sanitize(*parser->cur));
+                       return -1;
+               }
+               if (auth.enc_userinfo != NULL) {
                        *error_r = "Invalid Host header: "
-                                  "Contains invalid character";
+                               "Contains inappropriate 'userinfo@' part";
                        return -1;
                }