From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 26 Feb 2021 14:00:51 +0000 (+0100)
Subject: tool_operate: check argc before accessing argv[1]
X-Git-Tag: curl-7_76_0~110
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=15bc86df3361bb890cdee9936c72b5f558b3d978;p=thirdparty%2Fcurl.git

tool_operate: check argc before accessing argv[1]

Follow-up to 09363500b
Reported-by: Emil Engler
Reviewed-by: Daniel Gustafsson
Closes #6668
---

diff --git a/src/tool_operate.c b/src/tool_operate.c
index e2b287269a..f36f3ce530 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -2574,7 +2574,7 @@ static CURLcode run_all_transfers(struct GlobalConfig *global,
 CURLcode operate(struct GlobalConfig *global, int argc, argv_item_t argv[])
 {
   CURLcode result = CURLE_OK;
-  char *first_arg = curlx_convert_tchar_to_UTF8(argv[1]);
+  char *first_arg = argc > 1 ? curlx_convert_tchar_to_UTF8(argv[1]) : NULL;
 
   /* Setup proper locale from environment */
 #ifdef HAVE_SETLOCALE