/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioccom.h>
#include <sys/corectl.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include <fcntl.h>
#include <wait.h>
#include <signal.h>
#include <atomic.h>
#include <libscf.h>
#include <limits.h>
#include <priv_utils.h>
#include <door.h>
#include <errno.h>
#include <pthread.h>
#include <time.h>
#include <libscf.h>
#include <zone.h>
#include <libgen.h>
#include <pwd.h>
#include <grp.h>
#include <smbsrv/smb_door.h>
#include <smbsrv/smb_ioctl.h>
#include <smbsrv/string.h>
#include <smbsrv/libsmb.h>
#include <smbsrv/libsmbns.h>
#include <smbsrv/libmlsvc.h>
#include "smbd.h"
#define SECSPERMIN 60
#define SMBD_ONLINE_WAIT_INTERVAL 10
#define SMBD_REFRESH_INTERVAL 10
#define SMB_DBDIR "/var/smb"
static int smbd_daemonize_init(void);
static void smbd_daemonize_fini(int, int);
static int smb_init_daemon_priv(int, uid_t, gid_t);
static int smbd_kernel_bind(void);
static void smbd_kernel_unbind(void);
static int smbd_already_running(void);
static int smbd_service_init(void);
static void smbd_service_fini(void);
static int smbd_setup_options(int argc, char *argv[]);
static void smbd_usage(FILE *fp);
static int32_t smbd_gmtoff(void);
static void smbd_localtime_init(void);
static void *smbd_localtime_monitor(void *arg);
static void smbd_dyndns_init(void);
static void smbd_load_shares(void);
static void *smbd_share_loader(void *);
static void smbd_refresh_handler(void);
static int smbd_kernel_start(void);
smbd_t smbd;
/*
* Use SMF error codes only on return or exit.
*/
int
main(int argc, char *argv[])
{
sigset_t set;
uid_t uid;
int pfd = -1;
int sigval;
struct rlimit rl;
int orig_limit;
#ifdef FKSMBD
fksmbd_init();
#endif
smbd.s_pname = basename(argv[0]);
openlog(smbd.s_pname, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
if (smbd_setup_options(argc, argv) != 0)
return (SMF_EXIT_ERR_FATAL);
if ((uid = getuid()) != smbd.s_uid) {
#ifdef FKSMBD
/* Can't manipulate privileges in daemonize. */
if (smbd.s_fg == 0) {
smbd.s_fg = 1;
smbd_report("user %d (forced -f)", uid);
}
#else /* FKSMBD */
smbd_report("user %d: %s", uid, strerror(EPERM));
return (SMF_EXIT_ERR_FATAL);
#endif /* FKSMBD */
}
if (is_system_labeled()) {
smbd_report("Trusted Extensions not supported");
return (SMF_EXIT_ERR_FATAL);
}
if (smbd_already_running())
return (SMF_EXIT_OK);
/*
* Raise the file descriptor limit to accommodate simultaneous user
* authentications/file access.
*/
if ((getrlimit(RLIMIT_NOFILE, &rl) == 0) &&
(rl.rlim_cur < rl.rlim_max)) {
orig_limit = rl.rlim_cur;
rl.rlim_cur = rl.rlim_max;
if (setrlimit(RLIMIT_NOFILE, &rl) != 0)
smbd_report("Failed to raise file descriptor limit"
" from %d to %d", orig_limit, rl.rlim_cur);
}
/*
* Block async signals in all threads.
*/
(void) sigemptyset(&set);
(void) sigaddset(&set, SIGHUP);
(void) sigaddset(&set, SIGINT);
(void) sigaddset(&set, SIGQUIT);
(void) sigaddset(&set, SIGPIPE);
(void) sigaddset(&set, SIGTERM);
(void) sigaddset(&set, SIGUSR1);
(void) sigaddset(&set, SIGUSR2);
(void) sigprocmask(SIG_SETMASK, &set, NULL);
if (smbd.s_fg) {
if (smbd_service_init() != 0) {
smbd_report("service initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
} else {
/*
* "pfd" is a pipe descriptor -- any fatal errors
* during subsequent initialization of the child
* process should be written to this pipe and the
* parent will report this error as the exit status.
*/
pfd = smbd_daemonize_init();
if (smbd_service_init() != 0) {
smbd_report("daemon initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
smbd_daemonize_fini(pfd, SMF_EXIT_OK);
}
while (!smbd.s_shutting_down) {
sigval = sigwait(&set);
switch (sigval) {
case -1:
syslog(LOG_DEBUG, "sigwait failed: %s",
strerror(errno));
break;
case SIGPIPE:
break;
case SIGHUP:
syslog(LOG_DEBUG, "refresh requested");
smbd_refresh_handler();
break;
case SIGUSR1:
syslog(LOG_DEBUG, "SIGUSR1 ignored");
break;
default:
/*
* Typically SIGINT or SIGTERM.
*/
smbd.s_shutting_down = B_TRUE;
break;
}
}
/*
* Allow termination signals while shutting down.
*/
(void) sigemptyset(&set);
if (smbd.s_fg) {
(void) sigaddset(&set, SIGHUP);
(void) sigaddset(&set, SIGINT);
}
(void) sigaddset(&set, SIGTERM);
(void) sigprocmask(SIG_UNBLOCK, &set, NULL);
smbd_service_fini();
return ((smbd.s_fatal_error) ? SMF_EXIT_ERR_FATAL : SMF_EXIT_OK);
}
/*
* This function will fork off a child process,
* from which only the child will return.
*
* Use SMF error codes only on exit.
*/
static int
smbd_daemonize_init(void)
{
int status, pfds[2];
sigset_t set, oset;
pid_t pid;
int rc;
/*
* Reset privileges to the minimum set required. We continue
* to run as root to create and access files in /var.
*/
rc = smb_init_daemon_priv(PU_RESETGROUPS, smbd.s_uid, smbd.s_gid);
if (rc != 0) {
smbd_report("insufficient privileges");
exit(SMF_EXIT_ERR_FATAL);
}
/*
* Block all signals prior to the fork and leave them blocked in the
* parent so we don't get in a situation where the parent gets SIGINT
* and returns non-zero exit status and the child is actually running.
* In the child, restore the signal mask once we've done our setsid().
*/
(void) sigfillset(&set);
(void) sigdelset(&set, SIGABRT);
(void) sigprocmask(SIG_BLOCK, &set, &oset);
if (pipe(pfds) == -1) {
smbd_report("unable to create pipe");
exit(SMF_EXIT_ERR_FATAL);
}
closelog();
if ((pid = fork()) == -1) {
openlog(smbd.s_pname, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
smbd_report("unable to fork");
closelog();
exit(SMF_EXIT_ERR_FATAL);
}
/*
* If we're the parent process, wait for either the child to send us
* the appropriate exit status over the pipe or for the read to fail
* (presumably with 0 for EOF if our child terminated abnormally).
* If the read fails, exit with either the child's exit status if it
* exited or with SMF_EXIT_ERR_FATAL if it died from a fatal signal.
*/
if (pid != 0) {
(void) close(pfds[1]);
if (read(pfds[0], &status, sizeof (status)) == sizeof (status))
_exit(status);
if (waitpid(pid, &status, 0) == pid && WIFEXITED(status))
_exit(WEXITSTATUS(status));
_exit(SMF_EXIT_ERR_FATAL);
}
openlog(smbd.s_pname, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
(void) setsid();
(void) sigprocmask(SIG_SETMASK, &oset, NULL);
(void) chdir("/");
(void) umask(022);
(void) close(pfds[0]);
return (pfds[1]);
}
/*
* This function is based on __init_daemon_priv() and replaces
* __init_daemon_priv() since we want smbd to have all privileges so that it
* can execute map/unmap commands with all privileges during share
* connection/disconnection. Unused privileges are disabled until command
* execution. The permitted and the limit set contains all privileges. The
* inheritable set contains no privileges.
*/
static const char root_cp[] = "/core.%f.%t";
static const char daemon_cp[] = "/var/tmp/core.%f.%t";
static int
smb_init_daemon_priv(int flags, uid_t uid, gid_t gid)
{
priv_set_t *perm = NULL;
int ret = -1;
char buf[1024];
/*
* This is not a significant failure: it allows us to start programs
* with sufficient privileges and with the proper uid. We don't
* care enough about the extra groups in that case.
*/
if (flags & PU_RESETGROUPS)
(void) setgroups(0, NULL);
if (gid != (gid_t)-1 && setgid(gid) != 0)
goto end;
perm = priv_allocset();
if (perm == NULL)
goto end;
/* E = P */
(void) getppriv(PRIV_PERMITTED, perm);
(void) setppriv(PRIV_SET, PRIV_EFFECTIVE, perm);
/* Now reset suid and euid */
if (uid != (uid_t)-1 && setreuid(uid, uid) != 0)
goto end;
/* I = 0 */
priv_emptyset(perm);
ret = setppriv(PRIV_SET, PRIV_INHERITABLE, perm);
end:
priv_freeset(perm);
if (core_get_process_path(buf, sizeof (buf), getpid()) == 0 &&
strcmp(buf, "core") == 0) {
if ((uid == (uid_t)-1 ? geteuid() : uid) == 0) {
(void) core_set_process_path(root_cp, sizeof (root_cp),
getpid());
} else {
(void) core_set_process_path(daemon_cp,
sizeof (daemon_cp), getpid());
}
}
(void) setpflags(__PROC_PROTECT, 0);
return (ret);
}
/*
* Most privileges, except the ones that are required for smbd, are turn off
* in the effective set. They will be turn on when needed for command
* execution during share connection/disconnection.
*/
static void
smbd_daemonize_fini(int fd, int exit_status)
{
priv_set_t *pset;
/*
* Now that we're running, if a pipe fd was specified, write an exit
* status to it to indicate that our parent process can safely detach.
* Then proceed to loading the remaining non-built-in modules.
*/
if (fd >= 0)
(void) write(fd, &exit_status, sizeof (exit_status));
(void) close(fd);
pset = priv_allocset();
if (pset == NULL)
return;
priv_basicset(pset);
/* list of privileges for smbd */
(void) priv_addset(pset, PRIV_NET_MAC_AWARE);
(void) priv_addset(pset, PRIV_NET_PRIVADDR);
(void) priv_addset(pset, PRIV_PROC_AUDIT);
(void) priv_addset(pset, PRIV_SYS_DEVICES);
(void) priv_addset(pset, PRIV_SYS_SMB);
(void) priv_addset(pset, PRIV_SYS_MOUNT);
priv_inverse(pset);
/* turn off unneeded privileges */
(void) setppriv(PRIV_OFF, PRIV_EFFECTIVE, pset);
priv_freeset(pset);
/* reenable core dumps */
__fini_daemon_priv(NULL);
}
/*
* smbd_service_init
*/
static int
smbd_service_init(void)
{
static struct dir {
char *name;
int perm;
} dir[] = {
{ SMB_DBDIR, 0700 },
{ SMB_CVOL, 0755 },
{ SMB_SYSROOT, 0755 },
{ SMB_SYSTEM32, 0755 },
{ SMB_VSS, 0755 },
{ SMB_PIPE_DIR, 0755 },
{ "/var/smb/lipc", 0755 },
};
int rc, i;
smbd.s_pid = getpid();
/*
* Stop for a debugger attach here, which is after the
* fork() etc. in smb_daemonize_init()
*/
if (smbd.s_dbg_stop) {
smbd_report("pid %d stop for debugger attach", smbd.s_pid);
(void) kill(smbd.s_pid, SIGSTOP);
}
smbd_report("smbd starting, pid %d", smbd.s_pid);
for (i = 0; i < sizeof (dir)/sizeof (dir[0]); ++i) {
if ((mkdir(dir[i].name, dir[i].perm) < 0) &&
(errno != EEXIST)) {
smbd_report("mkdir %s: %s", dir[i].name,
strerror(errno));
return (-1);
}
}
/*
* This environment variable tells mech_krb5 to give us
* MS-compatible behavior.
*/
(void) putenv("MS_INTEROP=1");
if ((rc = smb_ccache_init(SMB_VARRUN_DIR, SMB_CCACHE_FILE)) != 0) {
if (rc == -1)
smbd_report("mkdir %s: %s", SMB_VARRUN_DIR,
strerror(errno));
else
smbd_report("unable to set KRB5CCNAME");
return (-1);
}
#ifndef FKSMBD
/* Upgrade SMF settings, if necessary. */
smb_config_upgrade();
#endif
smb_codepage_init();
rc = smbd_cups_init();
if (smb_config_getbool(SMB_CI_PRINT_ENABLE))
smbd_report("print service %savailable", (rc == 0) ? "" : "un");
if (smbd_nicmon_start(SMBD_DEFAULT_INSTANCE_FMRI) != 0)
smbd_report("NIC monitor failed to start");
smbd_dyndns_init();
smb_ipc_init();
if (smb_config_getbool(SMB_CI_NETBIOS_ENABLE) == 0)
smbd_report("NetBIOS services disabled");
else if (smb_netbios_start() != 0)
smbd_report("NetBIOS services failed to start");
else
smbd_report("NetBIOS services started");
smbd.s_secmode = smb_config_get_secmode();
if ((rc = smb_domain_init(smbd.s_secmode)) != 0) {
if (rc == SMB_DOMAIN_NOMACHINE_SID) {
smbd_report(
"no machine SID: check idmap configuration");
return (-1);
}
}
if (smbd_dc_monitor_init() != 0)
smbd_report("DC monitor initialization failed %s",
strerror(errno));
if (smbd_pipesvc_start() != 0) {
smbd_report("pipesvc initialization failed");
return (-1);
}
if (smbd_authsvc_start() != 0) {
smbd_report("authsvc initialization failed");
return (-1);
}
smbd.s_door_srv = smbd_door_start();
if (smbd.s_door_srv < 0) {
smbd_report("door initialization failed %s", strerror(errno));
return (-1);
}
dyndns_update_zones();
smbd_localtime_init();
(void) smb_lgrp_start();
smb_pwd_init(B_TRUE);
if (smb_shr_start() != 0) {
smbd_report("share initialization failed: %s", strerror(errno));
return (-1);
}
smbd.s_door_lmshr = smbd_share_start();
if (smbd.s_door_lmshr < 0)
smbd_report("share initialization failed");
/* Open the driver, load the kernel config. */
if (smbd_kernel_bind() != 0) {
return (-1);
}
smbd_load_shares();
smbd_load_printers();
smbd_spool_start();
smbd.s_initialized = B_TRUE;
smbd_report("service initialized");
return (0);
}
/*
* Shutdown smbd and smbsrv kernel services.
*
* Called only by the main thread.
*/
static void
smbd_service_fini(void)
{
smbd.s_shutting_down = B_TRUE;
smbd_report("service shutting down");
smb_kmod_stop();
smb_logon_abort();
smb_lgrp_stop();
smbd_pipesvc_stop();
smbd_door_stop();
smbd_authsvc_stop();
smbd_spool_stop();
smbd_kernel_unbind();
smbd_share_stop();
smb_shr_stop();
dyndns_stop();
smbd_nicmon_stop();
smb_ccache_remove(SMB_CCACHE_PATH);
smb_pwd_fini();
smb_domain_fini();
mlsvc_fini();
smb_netbios_stop();
smbd_cups_fini();
smbd.s_initialized = B_FALSE;
smbd_report("service terminated");
closelog();
}
/*
* Called when SMF sends us a SIGHUP. Update the smbd configuration
* from SMF and check for changes that require service reconfiguration.
*/
static void
smbd_refresh_handler()
{
int new_debug;
if (smbd.s_shutting_down)
return;
smbd.s_refreshes++;
new_debug = smb_config_get_debug();
if (smbd.s_debug || new_debug)
smbd_report("debug=%d", new_debug);
smbd.s_debug = new_debug;
smbd_spool_stop();
smbd_dc_monitor_refresh();
smb_ccache_remove(SMB_CCACHE_PATH);
/*
* Clear the DNS zones for the existing interfaces
* before updating the NIC interface list.
*/
dyndns_clear_zones();
if (smbd_nicmon_refresh() != 0)
smbd_report("NIC monitor refresh failed");
smb_netbios_name_reconfig();
smb_browser_reconfig();
dyndns_update_zones();
/* This reloads the in-kernel config. */
(void) smbd_kernel_bind();
smbd_load_shares();
smbd_load_printers();
smbd_spool_start();
}
void
smbd_set_secmode(int secmode)
{
switch (secmode) {
case SMB_SECMODE_WORKGRP:
case SMB_SECMODE_DOMAIN:
(void) smb_config_set_secmode(secmode);
smbd.s_secmode = secmode;
break;
default:
syslog(LOG_ERR, "invalid security mode: %d", secmode);
syslog(LOG_ERR, "entering maintenance mode");
(void) smb_smf_maintenance_mode();
}
}
/*
* The service is online if initialization is complete and shutdown
* has not begun.
*/
boolean_t
smbd_online(void)
{
return (smbd.s_initialized && !smbd.s_shutting_down);
}
/*
* Wait until the service is online. Provided for threads that
* should wait until the service has been fully initialized before
* they start performing operations.
*/
void
smbd_online_wait(const char *text)
{
while (!smbd_online())
(void) sleep(SMBD_ONLINE_WAIT_INTERVAL);
if (text != NULL) {
syslog(LOG_DEBUG, "%s: online", text);
(void) fprintf(stderr, "%s: online\n", text);
}
}
/*
* If the door has already been opened by another process (non-zero pid
* in target), we assume that another smbd is already running. If there
* is a race here, it will be caught later when smbsrv is opened because
* only one process is allowed to open the device at a time.
*/
static int
smbd_already_running(void)
{
door_info_t info;
char *door_name;
int door;
door_name = getenv("SMBD_DOOR_NAME");
if (door_name == NULL)
door_name = SMBD_DOOR_NAME;
if ((door = open(door_name, O_RDONLY)) < 0)
return (0);
if (door_info(door, &info) < 0)
return (0);
if (info.di_target > 0) {
smbd_report("already running: pid %ld\n", info.di_target);
(void) close(door);
return (1);
}
(void) close(door);
return (0);
}
/*
* smbd_kernel_bind
*
* If smbsrv is already bound, reload the configuration and update smbsrv.
* Otherwise, open the smbsrv device and start the kernel service.
*/
static int
smbd_kernel_bind(void)
{
smb_kmod_cfg_t cfg;
int rc;
if (smbd.s_kbound) {
smb_load_kconfig(&cfg);
smbd_get_authconf(&cfg);
rc = smb_kmod_setcfg(&cfg);
if (rc < 0)
smbd_report("kernel configuration update failed: %s",
strerror(rc));
return (rc);
}
if (smb_kmod_isbound())
smbd_kernel_unbind();
if ((rc = smb_kmod_bind()) == 0) {
rc = smbd_kernel_start();
if (rc != 0)
smb_kmod_unbind();
else
smbd.s_kbound = B_TRUE;
} else {
smbd_report("kernel bind error: %s", strerror(rc));
}
return (rc);
}
static int
smbd_kernel_start(void)
{
smb_kmod_cfg_t cfg;
int rc;
smb_load_kconfig(&cfg);
smbd_get_authconf(&cfg);
rc = smb_kmod_setcfg(&cfg);
if (rc != 0) {
smbd_report("kernel config ioctl error: %s", strerror(rc));
return (rc);
}
rc = smb_kmod_setgmtoff(smbd_gmtoff());
if (rc != 0) {
smbd_report("kernel gmtoff ioctl error: %s", strerror(rc));
return (rc);
}
rc = smb_kmod_start(smbd.s_door_opipe, smbd.s_door_lmshr,
smbd.s_door_srv);
if (rc != 0) {
smbd_report("kernel start ioctl error: %s", strerror(rc));
return (rc);
}
return (0);
}
/*
* smbd_kernel_unbind
*/
static void
smbd_kernel_unbind(void)
{
smb_kmod_unbind();
smbd.s_kbound = B_FALSE;
}
/*
* Create the Dynamic DNS publisher thread.
*/
static void
smbd_dyndns_init(void)
{
pthread_t tid;
pthread_attr_t attr;
int rc;
dyndns_start();
(void) pthread_attr_init(&attr);
(void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&tid, &attr, dyndns_publisher, NULL);
(void) pthread_attr_destroy(&attr);
if (rc != 0)
smbd_report("unable to start dyndns publisher: %s",
strerror(errno));
}
/*
* Launches a thread to populate the share cache by share information
* stored in sharemgr
*/
static void
smbd_load_shares(void)
{
pthread_t tid;
pthread_attr_t attr;
int rc;
(void) pthread_attr_init(&attr);
(void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&tid, &attr, smbd_share_loader, NULL);
(void) pthread_attr_destroy(&attr);
if (rc != 0)
smbd_report("unable to load disk shares: %s", strerror(errno));
}
static void *
smbd_share_loader(void *args)
{
(void) smb_shr_load(args);
return (NULL);
}
/*
* Initialization of the localtime thread.
* Returns 0 on success, an error number if thread creation fails.
*/
static void
smbd_localtime_init(void)
{
pthread_attr_t attr;
int rc;
(void) pthread_attr_init(&attr);
(void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&smbd.s_localtime_tid, &attr,
smbd_localtime_monitor, NULL);
(void) pthread_attr_destroy(&attr);
if (rc != 0)
smbd_report("unable to monitor localtime: %s", strerror(errno));
}
/*
* Send local gmtoff to the kernel module one time at startup and each
* time it changes (up to twice a year).
* Local gmtoff is checked once every 15 minutes since some timezones
* are aligned on half and quarter hour boundaries.
*/
/*ARGSUSED*/
static void *
smbd_localtime_monitor(void *arg)
{
struct tm local_tm;
time_t secs;
int32_t gmtoff, last_gmtoff = -1;
int timeout;
int error;
smbd_online_wait("smbd_localtime_monitor");
for (;;) {
gmtoff = smbd_gmtoff();
if ((last_gmtoff != gmtoff) && smbd.s_kbound) {
error = smb_kmod_setgmtoff(gmtoff);
if (error != 0)
smbd_report("localtime set failed: %s",
strerror(error));
}
/*
* Align the next iteration on a fifteen minute boundary.
*/
secs = time(0);
(void) localtime_r(&secs, &local_tm);
timeout = ((15 - (local_tm.tm_min % 15)) * SECSPERMIN);
(void) sleep(timeout);
last_gmtoff = gmtoff;
}
/*NOTREACHED*/
return (NULL);
}
/*
* smbd_gmtoff
*
* Determine offset from GMT. If daylight saving time use altzone,
* otherwise use timezone.
*/
static int32_t
smbd_gmtoff(void)
{
time_t clock_val;
struct tm *atm;
int32_t gmtoff;
(void) time(&clock_val);
atm = localtime(&clock_val);
gmtoff = (atm->tm_isdst) ? altzone : timezone;
return (gmtoff);
}
/*
* Set up configuration options and parse the command line.
* This function will determine if we will run as a daemon
* or in the foreground.
*
* Failure to find a uid or gid results in using the default (0).
*/
static int
smbd_setup_options(int argc, char *argv[])
{
struct passwd *pwd;
struct group *grp;
int c;
if ((pwd = getpwnam("root")) != NULL)
smbd.s_uid = pwd->pw_uid;
if ((grp = getgrnam("sys")) != NULL)
smbd.s_gid = grp->gr_gid;
smbd.s_debug = smb_config_get_debug();
smbd.s_fg = smb_config_get_fg_flag();
while ((c = getopt(argc, argv, ":dfs")) != -1) {
switch (c) {
case 'd':
smbd.s_debug++;
break;
case 'f':
smbd.s_fg = 1;
break;
case 's':
smbd.s_dbg_stop = 1;
break;
case ':':
case '?':
default:
smbd_usage(stderr);
return (-1);
}
}
return (0);
}
static void
smbd_usage(FILE *fp)
{
static char *help[] = {
"-d enable debug messages"
"-f run program in foreground"
};
int i;
(void) fprintf(fp, "Usage: %s [-f]\n", smbd.s_pname);
for (i = 0; i < sizeof (help)/sizeof (help[0]); ++i)
(void) fprintf(fp, " %s\n", help[i]);
}
void
smbd_report(const char *fmt, ...)
{
char buf[128];
va_list ap;
if (fmt == NULL)
return;
va_start(ap, fmt);
(void) vsnprintf(buf, 128, fmt, ap);
va_end(ap);
(void) fprintf(stderr, "smbd: %s\n", buf);
}
/*
* Enable libumem debugging by default on DEBUG builds.
*/
#ifdef DEBUG
const char *
_umem_debug_init(void)
{
return ("default,verbose"); /* $UMEM_DEBUG setting */
}
const char *
_umem_logging_init(void)
{
return ("fail,contents"); /* $UMEM_LOGGING setting */
}
#endif