diff options
Diffstat (limited to 'crypto/openssh/log-server.c')
| -rw-r--r-- | crypto/openssh/log-server.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/crypto/openssh/log-server.c b/crypto/openssh/log-server.c new file mode 100644 index 0000000..de3d5cf --- /dev/null +++ b/crypto/openssh/log-server.c @@ -0,0 +1,173 @@ +/* + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * Server-side versions of debug(), log(), etc. These normally send the output + * to the system log. + * + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + * + * + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "includes.h" +RCSID("$OpenBSD: log-server.c,v 1.17 2000/09/12 20:53:10 markus Exp $"); + +#include <syslog.h> +#include "packet.h" +#include "xmalloc.h" +#include "ssh.h" + +static LogLevel log_level = SYSLOG_LEVEL_INFO; +static int log_on_stderr = 0; +static int log_facility = LOG_AUTH; + +/* Initialize the log. + * av0 program name (should be argv[0]) + * on_stderr print also on stderr + * level logging level + */ + +void +log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr) +{ + switch (level) { + case SYSLOG_LEVEL_QUIET: + case SYSLOG_LEVEL_ERROR: + case SYSLOG_LEVEL_FATAL: + 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); + } + 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); + } + log_on_stderr = on_stderr; +} + +#define MSGBUFSIZ 1024 + +void +do_log(LogLevel level, const char *fmt, va_list args) +{ + char msgbuf[MSGBUFSIZ]; + char fmtbuf[MSGBUFSIZ]; + char *txt = NULL; + int pri = LOG_INFO; + extern char *__progname; + + if (level > log_level) + return; + switch (level) { + case SYSLOG_LEVEL_ERROR: + txt = "error"; + pri = LOG_ERR; + break; + case SYSLOG_LEVEL_FATAL: + txt = "fatal"; + pri = LOG_ERR; + break; + case SYSLOG_LEVEL_INFO: + 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\n", msgbuf); + } else { + openlog(__progname, LOG_PID, log_facility); + syslog(pri, "%.500s", msgbuf); + closelog(); + } +} |
