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Set req->agent to "-" if it is NULL, as do other major HTTP servers.

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This avoids passing a NULL value to a format string when writing a log
entry.
This commit is contained in:
Frederic Cambus 2019-06-09 21:16:28 +02:00 committed by Joris Vink
parent d4f4e007e0
commit bae117b68c
1 changed files with 3 additions and 0 deletions
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3
src/accesslog.c
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@ -102,6 +102,9 @@ kore_accesslog(struct http_request *req)
else
referer = "-";
if (req->agent == NULL)
req->agent = "-";
cn = "-";
#if !defined(KORE_NO_TLS)
if (req->owner->cert != NULL) {