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authorgreen <green@FreeBSD.org>2001-05-04 03:57:05 +0000
committergreen <green@FreeBSD.org>2001-05-04 03:57:05 +0000
commit8acd87ac472a182ef2d717212f2c0faba81143a5 (patch)
tree8070a266de2673f242df1ac3c19ad277bbd7e0f6 /crypto/openssh/log.c
parent5bcde1229c897d3a1ecba9ae48d888c773877ad9 (diff)
downloadFreeBSD-src-8acd87ac472a182ef2d717212f2c0faba81143a5.zip
FreeBSD-src-8acd87ac472a182ef2d717212f2c0faba81143a5.tar.gz
Say "hi" to the latest in the OpenSSH series, version 2.9!
Happy birthday to: rwatson
Diffstat (limited to 'crypto/openssh/log.c')
-rw-r--r--crypto/openssh/log.c255
1 files changed, 198 insertions, 57 deletions
diff --git a/crypto/openssh/log.c b/crypto/openssh/log.c
index ce89c59..34b4eb9 100644
--- a/crypto/openssh/log.c
+++ b/crypto/openssh/log.c
@@ -10,8 +10,6 @@
* called by a name other than "ssh" or "Secure Shell".
*/
/*
- * Shared versions of debug(), log(), etc.
- *
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -36,11 +34,78 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: log.c,v 1.11 2000/09/30 16:27:43 markus Exp $");
+RCSID("$OpenBSD: log.c,v 1.17 2001/03/04 17:42:28 millert Exp $");
-#include "ssh.h"
+#include "log.h"
#include "xmalloc.h"
+#include <syslog.h>
+
+static LogLevel log_level = SYSLOG_LEVEL_INFO;
+static int log_on_stderr = 1;
+static int log_facility = LOG_AUTH;
+static char *argv0;
+
+extern char *__progname;
+
+/* textual representation of log-facilities/levels */
+
+static struct {
+ const char *name;
+ SyslogFacility val;
+} log_facilities[] = {
+ { "DAEMON", SYSLOG_FACILITY_DAEMON },
+ { "USER", SYSLOG_FACILITY_USER },
+ { "AUTH", SYSLOG_FACILITY_AUTH },
+ { "LOCAL0", SYSLOG_FACILITY_LOCAL0 },
+ { "LOCAL1", SYSLOG_FACILITY_LOCAL1 },
+ { "LOCAL2", SYSLOG_FACILITY_LOCAL2 },
+ { "LOCAL3", SYSLOG_FACILITY_LOCAL3 },
+ { "LOCAL4", SYSLOG_FACILITY_LOCAL4 },
+ { "LOCAL5", SYSLOG_FACILITY_LOCAL5 },
+ { "LOCAL6", SYSLOG_FACILITY_LOCAL6 },
+ { "LOCAL7", SYSLOG_FACILITY_LOCAL7 },
+ { NULL, 0 }
+};
+
+static struct {
+ const char *name;
+ LogLevel val;
+} log_levels[] =
+{
+ { "QUIET", SYSLOG_LEVEL_QUIET },
+ { "FATAL", SYSLOG_LEVEL_FATAL },
+ { "ERROR", SYSLOG_LEVEL_ERROR },
+ { "INFO", SYSLOG_LEVEL_INFO },
+ { "VERBOSE", SYSLOG_LEVEL_VERBOSE },
+ { "DEBUG", SYSLOG_LEVEL_DEBUG1 },
+ { "DEBUG1", SYSLOG_LEVEL_DEBUG1 },
+ { "DEBUG2", SYSLOG_LEVEL_DEBUG2 },
+ { "DEBUG3", SYSLOG_LEVEL_DEBUG3 },
+ { NULL, 0 }
+};
+
+SyslogFacility
+log_facility_number(char *name)
+{
+ int i;
+ if (name != NULL)
+ for (i = 0; log_facilities[i].name; i++)
+ if (strcasecmp(log_facilities[i].name, name) == 0)
+ return log_facilities[i].val;
+ return (SyslogFacility) - 1;
+}
+
+LogLevel
+log_level_number(char *name)
+{
+ int i;
+ if (name != NULL)
+ for (i = 0; log_levels[i].name; i++)
+ if (strcasecmp(log_levels[i].name, name) == 0)
+ return log_levels[i].val;
+ return (LogLevel) - 1;
+}
/* Fatal messages. This function never returns. */
void
@@ -154,8 +219,8 @@ fatal_remove_cleanup(void (*proc) (void *context), void *context)
return;
}
}
- fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx\n",
- (unsigned long) proc, (unsigned long) context);
+ fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx",
+ (u_long) proc, (u_long) context);
}
/* Cleanup and exit */
@@ -172,67 +237,143 @@ fatal_cleanup(void)
for (cu = fatal_cleanups; cu; cu = next_cu) {
next_cu = cu->next;
debug("Calling cleanup 0x%lx(0x%lx)",
- (unsigned long) cu->proc, (unsigned long) cu->context);
+ (u_long) cu->proc, (u_long) cu->context);
(*cu->proc) (cu->context);
}
exit(255);
}
-/* textual representation of log-facilities/levels */
-static struct {
- const char *name;
- SyslogFacility val;
-} log_facilities[] = {
- { "DAEMON", SYSLOG_FACILITY_DAEMON },
- { "USER", SYSLOG_FACILITY_USER },
- { "AUTH", SYSLOG_FACILITY_AUTH },
- { "LOCAL0", SYSLOG_FACILITY_LOCAL0 },
- { "LOCAL1", SYSLOG_FACILITY_LOCAL1 },
- { "LOCAL2", SYSLOG_FACILITY_LOCAL2 },
- { "LOCAL3", SYSLOG_FACILITY_LOCAL3 },
- { "LOCAL4", SYSLOG_FACILITY_LOCAL4 },
- { "LOCAL5", SYSLOG_FACILITY_LOCAL5 },
- { "LOCAL6", SYSLOG_FACILITY_LOCAL6 },
- { "LOCAL7", SYSLOG_FACILITY_LOCAL7 },
- { NULL, 0 }
-};
+/*
+ * Initialize the log.
+ */
-static struct {
- const char *name;
- LogLevel val;
-} log_levels[] =
+void
+log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr)
{
- { "QUIET", SYSLOG_LEVEL_QUIET },
- { "FATAL", SYSLOG_LEVEL_FATAL },
- { "ERROR", SYSLOG_LEVEL_ERROR },
- { "INFO", SYSLOG_LEVEL_INFO },
- { "VERBOSE", SYSLOG_LEVEL_VERBOSE },
- { "DEBUG", SYSLOG_LEVEL_DEBUG1 },
- { "DEBUG1", SYSLOG_LEVEL_DEBUG1 },
- { "DEBUG2", SYSLOG_LEVEL_DEBUG2 },
- { "DEBUG3", SYSLOG_LEVEL_DEBUG3 },
- { NULL, 0 }
-};
+ argv0 = av0;
-SyslogFacility
-log_facility_number(char *name)
-{
- int i;
- if (name != NULL)
- for (i = 0; log_facilities[i].name; i++)
- if (strcasecmp(log_facilities[i].name, name) == 0)
- return log_facilities[i].val;
- return (SyslogFacility) - 1;
+ switch (level) {
+ case SYSLOG_LEVEL_QUIET:
+ case SYSLOG_LEVEL_FATAL:
+ case SYSLOG_LEVEL_ERROR:
+ case SYSLOG_LEVEL_INFO:
+ case SYSLOG_LEVEL_VERBOSE:
+ case SYSLOG_LEVEL_DEBUG1:
+ case SYSLOG_LEVEL_DEBUG2:
+ case SYSLOG_LEVEL_DEBUG3:
+ log_level = level;
+ break;
+ default:
+ fprintf(stderr, "Unrecognized internal syslog level code %d\n",
+ (int) level);
+ exit(1);
+ }
+
+ log_on_stderr = on_stderr;
+ if (on_stderr)
+ return;
+
+ switch (facility) {
+ case SYSLOG_FACILITY_DAEMON:
+ log_facility = LOG_DAEMON;
+ break;
+ case SYSLOG_FACILITY_USER:
+ log_facility = LOG_USER;
+ break;
+ case SYSLOG_FACILITY_AUTH:
+ log_facility = LOG_AUTH;
+ break;
+ case SYSLOG_FACILITY_LOCAL0:
+ log_facility = LOG_LOCAL0;
+ break;
+ case SYSLOG_FACILITY_LOCAL1:
+ log_facility = LOG_LOCAL1;
+ break;
+ case SYSLOG_FACILITY_LOCAL2:
+ log_facility = LOG_LOCAL2;
+ break;
+ case SYSLOG_FACILITY_LOCAL3:
+ log_facility = LOG_LOCAL3;
+ break;
+ case SYSLOG_FACILITY_LOCAL4:
+ log_facility = LOG_LOCAL4;
+ break;
+ case SYSLOG_FACILITY_LOCAL5:
+ log_facility = LOG_LOCAL5;
+ break;
+ case SYSLOG_FACILITY_LOCAL6:
+ log_facility = LOG_LOCAL6;
+ break;
+ case SYSLOG_FACILITY_LOCAL7:
+ log_facility = LOG_LOCAL7;
+ break;
+ default:
+ fprintf(stderr,
+ "Unrecognized internal syslog facility code %d\n",
+ (int) facility);
+ exit(1);
+ }
}
-LogLevel
-log_level_number(char *name)
+#define MSGBUFSIZ 1024
+
+void
+do_log(LogLevel level, const char *fmt, va_list args)
{
- int i;
- if (name != NULL)
- for (i = 0; log_levels[i].name; i++)
- if (strcasecmp(log_levels[i].name, name) == 0)
- return log_levels[i].val;
- return (LogLevel) - 1;
+ char msgbuf[MSGBUFSIZ];
+ char fmtbuf[MSGBUFSIZ];
+ char *txt = NULL;
+ int pri = LOG_INFO;
+
+ if (level > log_level)
+ return;
+
+ switch (level) {
+ case SYSLOG_LEVEL_FATAL:
+ if (!log_on_stderr)
+ txt = "fatal";
+ pri = LOG_CRIT;
+ break;
+ case SYSLOG_LEVEL_ERROR:
+ if (!log_on_stderr)
+ txt = "error";
+ pri = LOG_ERR;
+ break;
+ case SYSLOG_LEVEL_INFO:
+ pri = LOG_INFO;
+ break;
+ case SYSLOG_LEVEL_VERBOSE:
+ pri = LOG_INFO;
+ break;
+ case SYSLOG_LEVEL_DEBUG1:
+ txt = "debug1";
+ pri = LOG_DEBUG;
+ break;
+ case SYSLOG_LEVEL_DEBUG2:
+ txt = "debug2";
+ pri = LOG_DEBUG;
+ break;
+ case SYSLOG_LEVEL_DEBUG3:
+ txt = "debug3";
+ pri = LOG_DEBUG;
+ break;
+ default:
+ txt = "internal error";
+ pri = LOG_ERR;
+ break;
+ }
+ if (txt != NULL) {
+ snprintf(fmtbuf, sizeof(fmtbuf), "%s: %s", txt, fmt);
+ vsnprintf(msgbuf, sizeof(msgbuf), fmtbuf, args);
+ } else {
+ vsnprintf(msgbuf, sizeof(msgbuf), fmt, args);
+ }
+ if (log_on_stderr) {
+ fprintf(stderr, "%s\r\n", msgbuf);
+ } else {
+ openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
+ syslog(pri, "%.500s", msgbuf);
+ closelog();
+ }
}
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