1*b819cea2SGordon Ross /*
2*b819cea2SGordon Ross * This file and its contents are supplied under the terms of the
3*b819cea2SGordon Ross * Common Development and Distribution License ("CDDL"), version 1.0.
4*b819cea2SGordon Ross * You may only use this file in accordance with the terms of version
5*b819cea2SGordon Ross * 1.0 of the CDDL.
6*b819cea2SGordon Ross *
7*b819cea2SGordon Ross * A full copy of the text of the CDDL should have accompanied this
8*b819cea2SGordon Ross * source. A copy of the CDDL is also available via the Internet at
9*b819cea2SGordon Ross * http://www.illumos.org/license/CDDL.
10*b819cea2SGordon Ross */
11*b819cea2SGordon Ross
12*b819cea2SGordon Ross /*
13*b819cea2SGordon Ross * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
14*b819cea2SGordon Ross */
15*b819cea2SGordon Ross
16*b819cea2SGordon Ross #include <stdio.h>
17*b819cea2SGordon Ross #include <stdarg.h>
18*b819cea2SGordon Ross #include <errno.h>
19*b819cea2SGordon Ross #include <string.h>
20*b819cea2SGordon Ross #include <syslog.h>
21*b819cea2SGordon Ross
22*b819cea2SGordon Ross #include <smbsrv/smbinfo.h>
23*b819cea2SGordon Ross #include <smbsrv/smb_ioctl.h>
24*b819cea2SGordon Ross #include "smbd.h"
25*b819cea2SGordon Ross
26*b819cea2SGordon Ross #define CBUFSIZ 26 /* ctime(3c) */
27*b819cea2SGordon Ross
28*b819cea2SGordon Ross static const char *pri_name[LOG_DEBUG+1] = {
29*b819cea2SGordon Ross "emerg", "alert", "crit", "err", "warning", "notice", "info", "debug"
30*b819cea2SGordon Ross };
31*b819cea2SGordon Ross
32*b819cea2SGordon Ross static void
smb_svc_log(int pri,const char * fmt,va_list ap)33*b819cea2SGordon Ross smb_svc_log(int pri, const char *fmt, va_list ap)
34*b819cea2SGordon Ross {
35*b819cea2SGordon Ross static time_t prev_ts;
36*b819cea2SGordon Ross char fbuf[SMBD_LOG_MSGSIZE];
37*b819cea2SGordon Ross char cbuf[CBUFSIZ];
38*b819cea2SGordon Ross char *newfmt;
39*b819cea2SGordon Ross time_t ts;
40*b819cea2SGordon Ross int save_errno = errno;
41*b819cea2SGordon Ross
42*b819cea2SGordon Ross pri &= LOG_PRIMASK;
43*b819cea2SGordon Ross if (smbd.s_debug == 0 && pri == LOG_DEBUG)
44*b819cea2SGordon Ross return;
45*b819cea2SGordon Ross
46*b819cea2SGordon Ross ts = time(NULL);
47*b819cea2SGordon Ross if (prev_ts != ts) {
48*b819cea2SGordon Ross prev_ts = ts;
49*b819cea2SGordon Ross /* NB: cbuf has \n */
50*b819cea2SGordon Ross (void) fprintf(stdout, "@ %s",
51*b819cea2SGordon Ross ctime_r(&ts, cbuf, sizeof (cbuf)));
52*b819cea2SGordon Ross }
53*b819cea2SGordon Ross
54*b819cea2SGordon Ross newfmt = smb_syslog_fmt_m(fbuf, sizeof (fbuf), fmt, save_errno);
55*b819cea2SGordon Ross
56*b819cea2SGordon Ross flockfile(stdout);
57*b819cea2SGordon Ross (void) fprintf(stdout, "smbd.%s: ", pri_name[pri]);
58*b819cea2SGordon Ross /* LINTED E_SEC_PRINTF_VAR_FMT */
59*b819cea2SGordon Ross (void) vfprintf(stdout, newfmt, ap);
60*b819cea2SGordon Ross (void) fprintf(stdout, "\n");
61*b819cea2SGordon Ross funlockfile(stdout);
62*b819cea2SGordon Ross
63*b819cea2SGordon Ross (void) fflush(stdout);
64*b819cea2SGordon Ross }
65*b819cea2SGordon Ross
66*b819cea2SGordon Ross /*
67*b819cea2SGordon Ross * Provide a replacement for libsmb:smb_vsyslog() that prints messages
68*b819cea2SGordon Ross * both to the normal sysloc(3c), and to stdout, which ends up in:
69*b819cea2SGordon Ross * /var/svc/log/network-smb-server:default.log
70*b819cea2SGordon Ross * It's much easier to follow debug messages in the service log.
71*b819cea2SGordon Ross */
72*b819cea2SGordon Ross void
smb_vsyslog(int pri,const char * fmt,va_list ap)73*b819cea2SGordon Ross smb_vsyslog(int pri, const char *fmt, va_list ap)
74*b819cea2SGordon Ross {
75*b819cea2SGordon Ross va_list tap;
76*b819cea2SGordon Ross
77*b819cea2SGordon Ross va_copy(tap, ap);
78*b819cea2SGordon Ross smb_svc_log(pri, fmt, tap);
79*b819cea2SGordon Ross va_end(tap);
80*b819cea2SGordon Ross
81*b819cea2SGordon Ross vsyslog(pri, fmt, ap);
82*b819cea2SGordon Ross }
83*b819cea2SGordon Ross
84*b819cea2SGordon Ross /*
85*b819cea2SGordon Ross * An override for libsmb:smb_trace(). As the comment there says:
86*b819cea2SGordon Ross *
87*b819cea2SGordon Ross * This function is designed to be used with dtrace, i.e. see:
88*b819cea2SGordon Ross * usr/src/cmd/smbsrv/dtrace/smbd-all.d
89*b819cea2SGordon Ross *
90*b819cea2SGordon Ross * Outside of dtrace, the messages passed to this function usually
91*b819cea2SGordon Ross * lack sufficient context to be useful, so don't log them.
92*b819cea2SGordon Ross * However, if you insist, set debug >= 3 and this will log them.
93*b819cea2SGordon Ross */
94*b819cea2SGordon Ross void
smb_trace(const char * s)95*b819cea2SGordon Ross smb_trace(const char *s)
96*b819cea2SGordon Ross {
97*b819cea2SGordon Ross if (smbd.s_debug >= 3)
98*b819cea2SGordon Ross (void) fprintf(stdout, "smbd.trace: %s\n", s);
99*b819cea2SGordon Ross }
100