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authorTheo de Raadt <deraadt@cvs.openbsd.org>2006-08-18 09:13:27 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2006-08-18 09:13:27 +0000
commitf3844d4b1ca1b63f603efbe4be5265dc8e340603 (patch)
treee8bb91defdee7806b309b345339f22aa72bec9fb
parent8524fe5ab3680d0c5e67654b5c0ba7666b428c86 (diff)
make signal handler termination path shorter; risky code pointed out by
mark dowd; ok djm markus
-rw-r--r--usr.bin/ssh/log.c14
-rw-r--r--usr.bin/ssh/log.h3
-rw-r--r--usr.bin/ssh/sshd.c6
3 files changed, 17 insertions, 6 deletions
diff --git a/usr.bin/ssh/log.c b/usr.bin/ssh/log.c
index 7f0988da3f5..653875ddc25 100644
--- a/usr.bin/ssh/log.c
+++ b/usr.bin/ssh/log.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: log.c,v 1.38 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: log.c,v 1.39 2006/08/18 09:13:25 deraadt Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -127,6 +127,18 @@ error(const char *fmt,...)
va_end(args);
}
+void
+sigdie(const char *fmt,...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ do_log(SYSLOG_LEVEL_FATAL, fmt, args);
+ va_end(args);
+ _exit(1);
+}
+
+
/* Log this message (information that usually should go to the log). */
void
diff --git a/usr.bin/ssh/log.h b/usr.bin/ssh/log.h
index c72da8ece85..f9491d1793c 100644
--- a/usr.bin/ssh/log.h
+++ b/usr.bin/ssh/log.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: log.h,v 1.14 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: log.h,v 1.15 2006/08/18 09:13:25 deraadt Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -50,6 +50,7 @@ LogLevel log_level_number(char *);
void fatal(const char *, ...) __dead __attribute__((format(printf, 1, 2)));
void error(const char *, ...) __attribute__((format(printf, 1, 2)));
+void sigdie(const char *, ...) __attribute__((format(printf, 1, 2)));
void logit(const char *, ...) __attribute__((format(printf, 1, 2)));
void verbose(const char *, ...) __attribute__((format(printf, 1, 2)));
void debug(const char *, ...) __attribute__((format(printf, 1, 2)));
diff --git a/usr.bin/ssh/sshd.c b/usr.bin/ssh/sshd.c
index a8aa13ea582..043b502381e 100644
--- a/usr.bin/ssh/sshd.c
+++ b/usr.bin/ssh/sshd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshd.c,v 1.345 2006/08/16 11:47:15 djm Exp $ */
+/* $OpenBSD: sshd.c,v 1.346 2006/08/18 09:13:26 deraadt Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -331,13 +331,11 @@ main_sigchld_handler(int sig)
static void
grace_alarm_handler(int sig)
{
- /* XXX no idea how fix this signal handler */
-
if (use_privsep && pmonitor != NULL && pmonitor->m_pid > 0)
kill(pmonitor->m_pid, SIGALRM);
/* Log error and exit. */
- fatal("Timeout before authentication for %s", get_remote_ipaddr());
+ sigdie("Timeout before authentication for %s", get_remote_ipaddr());
}
/*