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| author | Toomas Soome <tsoome@me.com> | 2017-02-15 22:50:28 +0200 |
|---|---|---|
| committer | Dan McDonald <danmcd@omniti.com> | 2017-04-10 10:04:28 -0400 |
| commit | a04cabea38af23dd1a0e76c56ca44260af2285e4 (patch) | |
| tree | 11f7869ddd8f97104032631feb602ede1a7379ae | |
| parent | 471a88e499c660844f4590487ce7c4d5a7090294 (diff) | |
| download | illumos-joyent-a04cabea38af23dd1a0e76c56ca44260af2285e4.tar.gz | |
8031 libwrap: variables might be clobbered by longjmp
Reviewed by: Marcel Telka <marcel@telka.sk>
Reviewed by: Yuri Pankov <yuri.pankov@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
| -rw-r--r-- | usr/src/lib/libwrap/rfc931.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/usr/src/lib/libwrap/rfc931.c b/usr/src/lib/libwrap/rfc931.c index c8eb66cf9f..495cb55dfa 100644 --- a/usr/src/lib/libwrap/rfc931.c +++ b/usr/src/lib/libwrap/rfc931.c @@ -3,8 +3,6 @@ * Use is subject to license terms. */ -#pragma ident "%Z%%M% %I% %E% SMI" - /* * rfc931() speaks a common subset of the RFC 931, AUTH, TAP, IDENT and RFC * 1413 protocols. It queries an RFC 931 etc. compatible daemon on a remote @@ -16,10 +14,6 @@ * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. */ -#ifndef lint -static char sccsid[] = "@(#) rfc931.c 1.10 95/01/02 16:11:34"; -#endif - /* System libraries. */ #include <stdio.h> @@ -88,9 +82,9 @@ char *dest; char user[256]; /* XXX */ char buffer[512]; /* XXX */ char *cp; - char *result = unknown; + char *volatile result = unknown; FILE *fp; - unsigned saved_timeout = 0; + volatile unsigned saved_timeout = 0; struct sigaction nact, oact; /* @@ -104,7 +98,7 @@ char *dest; */ if ((fp = fsocket(SGFAM(rmt_sin), SOCK_STREAM, 0)) != 0) { - setbuf(fp, (char *) 0); + setbuf(fp, NULL); /* * Set up a timer so we won't get stuck while waiting for the server. |