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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../tcp_wrappers/0021-tcp_wrappers-7.6-restore-sigalarm.patch
# Copyright (C) 2011 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
diff -ruN tcp_wrappers_7.6.orig/rfc931.c tcp_wrappers_7.6/rfc931.c
--- tcp_wrappers_7.6.orig/rfc931.c 2004-08-29 18:40:08.000000000 +0200
+++ tcp_wrappers_7.6/rfc931.c 2004-08-29 18:40:02.000000000 +0200
@@ -92,6 +92,8 @@
char *cp;
char *result = unknown;
FILE *fp;
+ unsigned saved_timeout;
+ struct sigaction nact, oact;
#ifdef INET6
/* address family must be the same */
@@ -134,7 +136,12 @@
*/
if (setjmp(timebuf) == 0) {
- signal(SIGALRM, timeout);
+ /* Save SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */
+ saved_timeout = alarm(0);
+ nact.sa_handler = timeout;
+ nact.sa_flags = 0;
+ (void) sigemptyset(&nact.sa_mask);
+ (void) sigaction(SIGALRM, &nact, &oact);
alarm(rfc931_timeout);
/*
@@ -223,6 +230,10 @@
}
alarm(0);
}
+ /* Restore SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */
+ (void) sigaction(SIGALRM, &oact, NULL);
+ if (saved_timeout > 0)
+ alarm(saved_timeout);
fclose(fp);
}
STRN_CPY(dest, result, STRING_LENGTH);