diff options
Diffstat (limited to 'misc/syslog.c')
| -rw-r--r-- | misc/syslog.c | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/misc/syslog.c b/misc/syslog.c index bcac6c7..3a39c43 100644 --- a/misc/syslog.c +++ b/misc/syslog.c @@ -56,6 +56,7 @@ static char sccsid[] = "@(#)syslog.c 8.4 (Berkeley) 3/18/94"; #include <varargs.h> #endif +static int LogType = SOCK_DGRAM; /* type of socket connection */ static int LogFile = -1; /* fd for log */ static int connected; /* have done connect */ static int LogStat = 0; /* status bits, set by openlog() */ @@ -163,8 +164,15 @@ vsyslog(pri, fmt, ap) /* Get connected, output the message to the local logger. */ if (!connected) openlog(LogTag, LogStat | LOG_NDELAY, 0); + + /* If we have a SOCK_STREAM connection, also send ASCII NUL as + a record terminator. */ + if (LogType == SOCK_STREAM) + ++bufsize; + if (__send(LogFile, buf, bufsize, 0) < 0) { + closelog (); /* attempt re-open next time */ /* * Output the message to the console; don't worry about blocking, * if console blocks everything will. Make sure the error reported @@ -194,23 +202,36 @@ openlog(ident, logstat, logfac) if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0) LogFacility = logfac; - if (LogFile == -1) { - SyslogAddr.sa_family = AF_UNIX; - (void)strncpy(SyslogAddr.sa_data, _PATH_LOG, - sizeof(SyslogAddr.sa_data)); - if (LogStat & LOG_NDELAY) { - if ((LogFile = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) - return; - (void)fcntl(LogFile, F_SETFD, 1); + while (1) { + if (LogFile == -1) { + SyslogAddr.sa_family = AF_UNIX; + (void)strncpy(SyslogAddr.sa_data, _PATH_LOG, + sizeof(SyslogAddr.sa_data)); + if (LogStat & LOG_NDELAY) { + if ((LogFile = socket(AF_UNIX, LogType, 0)) + == -1) + return; + (void)fcntl(LogFile, F_SETFD, 1); + } } + if (LogFile != -1 && !connected) + if (__connect(LogFile, &SyslogAddr, sizeof(SyslogAddr)) + == -1) + { + int saved_errno = errno; + (void)close(LogFile); + LogFile = -1; + if (LogType == SOCK_DGRAM + && saved_errno == EPROTOTYPE) + { + /* retry with next SOCK_STREAM: */ + LogType = SOCK_STREAM; + continue; + } + } else + connected = 1; + break; } - if (LogFile != -1 && !connected) - if (__connect(LogFile, &SyslogAddr, sizeof(SyslogAddr)) == -1) - { - (void)close(LogFile); - LogFile = -1; - } else - connected = 1; } void |