From: Joe Orton <jorton@apache.org>
Date: Mon, 9 Jan 2023 12:01:56 +0000 (+0000)
Subject: * modules/dav/main/util.c (dav_process_if_header): Fix error
X-Git-Tag: 2.5.0-alpha2-ci-test-only~162
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b00b92bb9d1497414abf6ca1b679bcc8ad32a443;p=thirdparty%2Fapache%2Fhttpd.git

* modules/dav/main/util.c (dav_process_if_header): Fix error
  path for "Not" prefix parsing.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1906487 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/modules/dav/main/util.c b/modules/dav/main/util.c
index 1ae5914027c..3f7822fc931 100644
--- a/modules/dav/main/util.c
+++ b/modules/dav/main/util.c
@@ -801,8 +801,14 @@ static dav_error * dav_process_if_header(request_rec *r, dav_if_header **p_ih)
                                                  "for the same state.");
                         }
                         condition = DAV_IF_COND_NOT;
+                        list += 2;
+                    }
+                    else {
+                        return dav_new_error(r->pool, HTTP_BAD_REQUEST,
+                                             DAV_ERR_IF_UNK_CHAR, 0,
+                                             "Invalid \"If:\" header: "
+                                             "Unexpected character in List");
                     }
-                    list += 2;
                     break;
 
                 case ' ':