diff options
Diffstat (limited to 'crypto/openssh/log.c')
-rw-r--r-- | crypto/openssh/log.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/crypto/openssh/log.c b/crypto/openssh/log.c index d69154a..32e1d2e 100644 --- a/crypto/openssh/log.c +++ b/crypto/openssh/log.c @@ -1,4 +1,4 @@ -/* $OpenBSD: log.c,v 1.43 2012/09/06 04:37:39 dtucker Exp $ */ +/* $OpenBSD: log.c,v 1.45 2013/05/16 09:08:41 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -38,6 +38,7 @@ #include <sys/types.h> +#include <fcntl.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> @@ -54,6 +55,7 @@ static LogLevel log_level = SYSLOG_LEVEL_INFO; static int log_on_stderr = 1; +static int log_stderr_fd = STDERR_FILENO; static int log_facility = LOG_AUTH; static char *argv0; static log_handler_fn *log_handler; @@ -344,6 +346,20 @@ log_is_on_stderr(void) return log_on_stderr; } +/* redirect what would usually get written to stderr to specified file */ +void +log_redirect_stderr_to(const char *logfile) +{ + int fd; + + if ((fd = open(logfile, O_WRONLY|O_CREAT|O_APPEND, 0600)) == -1) { + fprintf(stderr, "Couldn't open logfile %s: %s\n", logfile, + strerror(errno)); + exit(1); + } + log_stderr_fd = fd; +} + #define MSGBUFSIZ 1024 void @@ -429,7 +445,7 @@ do_log(LogLevel level, const char *fmt, va_list args) log_handler = tmp_handler; } else if (log_on_stderr) { snprintf(msgbuf, sizeof msgbuf, "%s\r\n", fmtbuf); - write(STDERR_FILENO, msgbuf, strlen(msgbuf)); + (void)write(log_stderr_fd, msgbuf, strlen(msgbuf)); } else { #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) openlog_r(argv0 ? argv0 : __progname, LOG_PID, log_facility, &sdata); |