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/*
* logging This module handles the logging of requests.
*
* TODO: Merge the two "XXX_log() calls.
*
* Authors: Donald J. Becker, <becker@super.org>
* Rick Sladkey, <jrs@world.std.com>
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Olaf Kirch, <okir@monad.swb.de>
*
* This software maybe be used for any purpose provided
* the above copyright notice is retained. It is supplied
* as is, with no warranty expressed or implied.
*/
#include "nfsd.h"
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#else
#define LOG_FILE "/var/tmp/%s.log"
#endif
static int logging = 0; /* enable/disable DEBUG logs */
static int dbg_mask = D_GENERAL; /* What will be logged */
static char log_name[256]; /* name of this program */
static FILE *log_fp = (FILE *)NULL; /* fp for the log file */
void
log_open(char *progname, int foreground)
{
#ifdef HAVE_SYSLOG_H
openlog(progname, LOG_PID | LOG_NDELAY, LOG_DAEMON );
if (foreground)
log_fp = stderr;
#else
if (foreground) {
log_fp = stderr;
} else {
char path[1024];
sprintf(path, LOG_FILE, progname);
logfile = path;
if ((log_fp = fopen(path, "a")) == NULL)
return;
}
#endif
if (log_fp != NULL)
setbuf(log_fp, (char *) NULL);
sprintf(log_name, "%s[%d]", progname, getpid());
}
void
background_logging(void)
{
if (log_fp == stderr)
log_fp = NULL;
}
void
toggle_logging(int sig)
{
(void) signal(sig, toggle_logging);
Dprintf(D_GENERAL, "turned off logging\n");
logging = 1 - logging;
Dprintf(D_GENERAL, "turned on logging\n");
}
void
enable_logging(char *kind)
{
if ('a' == *kind && !strcmp(kind, "auth"))
dbg_mask |= D_AUTH;
else if ('a' == *kind && !strcmp(kind, "all"))
dbg_mask |= D_ALL;
else if ('c' == *kind && !strcmp(kind, "call"))
dbg_mask |= D_CALL;
else if ('f' == *kind && !strcmp(kind, "fhcache"))
dbg_mask |= D_FHCACHE;
else if ('f' == *kind && !strcmp(kind, "fhtrace"))
dbg_mask |= D_FHTRACE;
else if ('r' == *kind && !strcmp(kind, "rmtab"))
dbg_mask |= D_RMTAB;
else if ('s' == *kind && !strcmp(kind, "stale"))
dbg_mask |= D_AUTH | D_CALL | D_FHCACHE | D_FHTRACE;
else if ('u' == *kind && !strcmp(kind, "ugid"))
dbg_mask |= D_UGID;
else
fprintf (stderr, "Invalid debug facility: %s\n", kind);
logging = 1;
}
int
logging_enabled(int level)
{
return (logging && (level & dbg_mask));
}
/* Write something to the system logfile. */
void
Dprintf(int kind, const char *fmt, ...)
{
char buff[1024];
va_list args;
time_t now;
struct tm *tm;
if (!(kind & (L_FATAL | L_ERROR | L_WARNING | L_NOTICE))
&& !(logging && (kind & dbg_mask)))
return;
va_start(args, fmt);
#ifdef HAVE_VPRINTF
vsprintf(buff, fmt, args);
#else
/* Figure out how to use _doprnt here. */
#endif
va_end(args);
#ifdef HAVE_SYSLOG_H
if (kind & (L_FATAL | L_ERROR)) {
(void) syslog(LOG_ERR, "%s", buff);
} else if (kind & L_WARNING) {
(void) syslog(LOG_WARNING, "%s", buff);
} else if (kind & L_NOTICE) {
(void) syslog(LOG_NOTICE, "%s", buff);
} else if (log_fp == NULL) {
(void) syslog(LOG_DEBUG, "%s", buff);
}
#endif
if (log_fp != (FILE *) NULL) {
(void) time(&now);
tm = localtime(&now);
fprintf(log_fp, "%s %02d/%02d/%02d %02d:%02d %s",
log_name, tm->tm_mon + 1, tm->tm_mday, tm->tm_year,
tm->tm_hour, tm->tm_min, buff);
}
if (kind & L_FATAL)
exit(1);
}
/* Log an incoming call. */
void
log_call(struct svc_req *rqstp, char *xname, char *arg)
{
char buff[1024];
register char *sp;
int i;
if (!logging || !(dbg_mask & D_CALL))
return;
sp = buff;
sprintf(sp, "%s [%d ", xname, rqstp->rq_cred.oa_flavor);
sp += strlen(sp);
if (rqstp->rq_cred.oa_flavor == AUTH_UNIX) {
struct authunix_parms *unix_cred;
struct tm *tm;
unix_cred = (struct authunix_parms *) rqstp->rq_clntcred;
tm = localtime(&unix_cred->aup_time);
sprintf(sp, "%d/%d/%d %02d:%02d:%02d %s %d.%d",
tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
unix_cred->aup_machname,
unix_cred->aup_uid,
unix_cred->aup_gid);
sp += strlen(sp);
if ((int) unix_cred->aup_len > 0) {
sprintf(sp, "+%d", unix_cred->aup_gids[0]);
sp += strlen(sp);
for (i = 1; i < unix_cred->aup_len; i++) {
sprintf(sp, ",%d", unix_cred->aup_gids[i]);
sp += strlen(sp);
}
}
}
Dprintf(D_CALL, "%s]\n", buff);
if (arg && *arg)
Dprintf(D_CALL, "\t%s\n", arg);
}
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