diff options
author | jdp <jdp@FreeBSD.org> | 1997-03-20 16:28:27 +0000 |
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committer | jdp <jdp@FreeBSD.org> | 1997-03-20 16:28:27 +0000 |
commit | a8649427262d646ff09a8308f1b50555d352fabc (patch) | |
tree | d1bfbf7bf8ad8647d4f3fc4a4f9774273fb047cc /lib | |
parent | 36c0c947215632ac074ea27ae53b79364b972572 (diff) | |
download | FreeBSD-src-a8649427262d646ff09a8308f1b50555d352fabc.zip FreeBSD-src-a8649427262d646ff09a8308f1b50555d352fabc.tar.gz |
Add backward compatibility so that static executables built on
modern FreeBSD systems will syslog properly on older systems that
still name the logging socket "/dev/log". This includes pre-2.2
versions of FreeBSD as well as BSD/OS systems. If the connect to
"/var/run/log" fails, the function now tries to connect to
"/dev/log" as a fallback.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libc/gen/syslog.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/lib/libc/gen/syslog.c b/lib/libc/gen/syslog.c index b1160c4..0eb721e 100644 --- a/lib/libc/gen/syslog.c +++ b/lib/libc/gen/syslog.c @@ -36,7 +36,7 @@ static char sccsid[] = "@(#)syslog.c 8.5 (Berkeley) 4/29/95"; */ static const char rcsid[] = - "$Id: syslog.c,v 1.11 1997/02/22 14:58:18 peter Exp $"; + "$Id: syslog.c,v 1.12 1997/03/11 11:52:33 peter Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -273,9 +273,6 @@ vsyslog(pri, fmt, ap) (void)close(fd); } } - -static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ - static void disconnectlog() { @@ -294,20 +291,36 @@ disconnectlog() static void connectlog() { + struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ + if (LogFile == -1) { - SyslogAddr.sa_family = AF_UNIX; - (void)strncpy(SyslogAddr.sa_data, _PATH_LOG, - sizeof(SyslogAddr.sa_data)); if ((LogFile = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) return; (void)fcntl(LogFile, F_SETFD, 1); } if (LogFile != -1 && !connected) { - if (connect(LogFile, &SyslogAddr, sizeof(SyslogAddr)) == -1) { + SyslogAddr.sa_len = sizeof(SyslogAddr); + SyslogAddr.sa_family = AF_UNIX; + (void)strncpy(SyslogAddr.sa_data, _PATH_LOG, + sizeof(SyslogAddr.sa_data)); + connected = connect(LogFile, &SyslogAddr, + sizeof(SyslogAddr)) != -1; + + if (!connected) { + /* + * Try the old "/dev/log" path, for backward + * compatibility. + */ + (void)strncpy(SyslogAddr.sa_data, _PATH_OLDLOG, + sizeof(SyslogAddr.sa_data)); + connected = connect(LogFile, &SyslogAddr, + sizeof(SyslogAddr)) != -1; + } + + if (!connected) { (void)close(LogFile); LogFile = -1; - } else - connected = 1; + } } } |