diff options
Diffstat (limited to 'crypto/openssh/log.c')
-rw-r--r-- | crypto/openssh/log.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/crypto/openssh/log.c b/crypto/openssh/log.c index 4a8239b..ad5a10b 100644 --- a/crypto/openssh/log.c +++ b/crypto/openssh/log.c @@ -1,4 +1,4 @@ -/* $OpenBSD: log.c,v 1.41 2008/06/10 04:50:25 dtucker Exp $ */ +/* $OpenBSD: log.c,v 1.42 2011/06/17 21:44:30 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -56,6 +56,8 @@ static LogLevel log_level = SYSLOG_LEVEL_INFO; static int log_on_stderr = 1; static int log_facility = LOG_AUTH; static char *argv0; +static log_handler_fn *log_handler; +static void *log_handler_ctx; extern char *__progname; @@ -260,6 +262,9 @@ log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr) exit(1); } + log_handler = NULL; + log_handler_ctx = NULL; + log_on_stderr = on_stderr; if (on_stderr) return; @@ -327,6 +332,23 @@ log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr) #define MSGBUFSIZ 1024 void +set_log_handler(log_handler_fn *handler, void *ctx) +{ + log_handler = handler; + log_handler_ctx = ctx; +} + +void +do_log2(LogLevel level, const char *fmt,...) +{ + va_list args; + + va_start(args, fmt); + do_log(level, fmt, args); + va_end(args); +} + +void do_log(LogLevel level, const char *fmt, va_list args) { #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) @@ -337,6 +359,7 @@ do_log(LogLevel level, const char *fmt, va_list args) char *txt = NULL; int pri = LOG_INFO; int saved_errno = errno; + log_handler_fn *tmp_handler; if (level > log_level) return; @@ -375,7 +398,7 @@ do_log(LogLevel level, const char *fmt, va_list args) pri = LOG_ERR; break; } - if (txt != NULL) { + if (txt != NULL && log_handler == NULL) { snprintf(fmtbuf, sizeof(fmtbuf), "%s: %s", txt, fmt); vsnprintf(msgbuf, sizeof(msgbuf), fmtbuf, args); } else { @@ -383,7 +406,13 @@ do_log(LogLevel level, const char *fmt, va_list args) } strnvis(fmtbuf, msgbuf, sizeof(fmtbuf), log_on_stderr ? LOG_STDERR_VIS : LOG_SYSLOG_VIS); - if (log_on_stderr) { + if (log_handler != NULL) { + /* Avoid recursion */ + tmp_handler = log_handler; + log_handler = NULL; + tmp_handler(level, fmtbuf, log_handler_ctx); + log_handler = tmp_handler; + } else if (log_on_stderr) { snprintf(msgbuf, sizeof msgbuf, "%s\r\n", fmtbuf); write(STDERR_FILENO, msgbuf, strlen(msgbuf)); } else { |