diff options
| author |   brian <brian@openbsd.org> | 1998-03-05 22:13:10 +0000 |
|---|---|---|
| committer | brian <brian@openbsd.org> | 1998-03-05 22:13:10 +0000 |
| commit | cc3ccefc0b3771a7a6a0c12758912f9156920154 (patch) | |
| tree | 1e9938faae56959f080ab4d65575117e38821a2e /lib/libc/gen/syslog.c | |
| parent | add OpenBSD tag (diff) | |
| download | wireguard-openbsd-cc3ccefc0b3771a7a6a0c12758912f9156920154.tar.xz wireguard-openbsd-cc3ccefc0b3771a7a6a0c12758912f9156920154.zip | |
Initialise sockaddr::sa_len (stopping a pretty nasty
stack scribble). Also, SyslogAddr is a sockaddr_un,
not a sockaddr.
Diffstat (limited to 'lib/libc/gen/syslog.c')
| -rw-r--r-- | lib/libc/gen/syslog.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/libc/gen/syslog.c b/lib/libc/gen/syslog.c index 27af209ff36..85710809776 100644 --- a/lib/libc/gen/syslog.c +++ b/lib/libc/gen/syslog.c @@ -32,13 +32,14 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: syslog.c,v 1.4 1997/07/25 20:30:04 mickey Exp $"; +static char rcsid[] = "$OpenBSD: syslog.c,v 1.5 1998/03/05 22:13:10 brian Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> #include <sys/socket.h> #include <sys/syslog.h> #include <sys/uio.h> +#include <sys/un.h> #include <netdb.h> #include <errno.h> @@ -235,7 +236,7 @@ vsyslog(pri, fmt, ap) } } -static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ +static struct sockaddr_un SyslogAddr; /* AF_UNIX address of local logger */ void openlog(ident, logstat, logfac) @@ -249,9 +250,11 @@ openlog(ident, logstat, logfac) LogFacility = logfac; if (LogFile == -1) { - SyslogAddr.sa_family = AF_UNIX; - (void)strncpy(SyslogAddr.sa_data, _PATH_LOG, - sizeof(SyslogAddr.sa_data)); + memset(&SyslogAddr, '\0', sizeof(SyslogAddr)); + SyslogAddr.sun_len = sizeof(SyslogAddr); + SyslogAddr.sun_family = AF_UNIX; + (void)strncpy(SyslogAddr.sun_path, _PATH_LOG, + sizeof(SyslogAddr.sun_path)); if (LogStat & LOG_NDELAY) { if ((LogFile = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) return; @@ -259,7 +262,8 @@ openlog(ident, logstat, logfac) } } if (LogFile != -1 && !connected) - if (connect(LogFile, &SyslogAddr, sizeof(SyslogAddr)) == -1) { + if (connect(LogFile, (struct sockaddr *)&SyslogAddr, + sizeof(SyslogAddr)) == -1) { (void)close(LogFile); LogFile = -1; } else |