source: branches/samba-3.3.x/source/web/startstop.c

/* 
   Unix SMB/CIFS implementation.
   start/stop nmbd and smbd
   Copyright (C) Andrew Tridgell 1998
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"

#ifdef __OS2__
        /* fork() in klibc on OS/2 ends all children when parent 
           is closed, therefore we use spawn() */
#include "process.h"
#define SWAT_HELPER(WHAT, WHO) \
        asprintf(&binfile, "%s/swathelp.cmd", getcwd(NULL, _MAX_PATH)); \
        int rc; \
        rc=spawnl(P_NOWAIT, binfile, binfile, #WHAT, #WHO, NULL);
#endif

#include "web/swat_proto.h"
#include "dynconfig.h"


/** Startup smbd from web interface. */
void start_smbd(void)
{
        char *binfile = NULL;

        if (geteuid() != 0) {
                 return;
        }
#ifdef __OS2__
        /* fork() in klibc on OS/2 ends all children when parent 
           is closed, therefore we use spawn() */
        SWAT_HELPER(start, smbd)       
#else                      
        if (fork()) {
                return;
        }

        if (asprintf(&binfile, "%s/smbd", get_dyn_SBINDIR()) > 0) {
                become_daemon(true, false);
                execl(binfile, binfile, "-D", NULL);
        }
        exit(0);
#endif
}

/* startup nmbd */
void start_nmbd(void)
{
        char *binfile = NULL;

        if (geteuid() != 0) {
                return;
        }
#ifdef __OS2__
        /* fork() in klibc on OS/2 ends all children when parent 
           is closed, therefore we use spawn() */
        SWAT_HELPER(start, nmbd)
#else   
        if (fork()) {
                return;
        }

        if (asprintf(&binfile, "%s/nmbd", get_dyn_SBINDIR()) > 0) {
                become_daemon(true, false);
                execl(binfile, binfile, "-D", NULL);
        }
        exit(0);
#endif
}

/** Startup winbindd from web interface. */
void start_winbindd(void)
{
        char *binfile = NULL;

        if (geteuid() != 0) {
                return;
        }
#ifdef __OS2__
        /* fork() in klibc on OS/2 ends all children when parent 
           is closed, therefore we use spawn() */
        SWAT_HELPER(start, winbindd)
#else   
        if (fork()) {
                return;
        }

        if (asprintf(&binfile, "%s/winbindd", get_dyn_SBINDIR()) > 0) {
                become_daemon(true, false);
                execl(binfile, binfile, NULL);
        }
        exit(0);
#endif
}


/* stop smbd */
void stop_smbd(void)
{
        pid_t pid = pidfile_pid("smbd");
        if (geteuid() != 0) return;

#ifdef __OS2__  /* we do it a bit nicer */
        if (smbd_running()) {
                char *binfile = NULL;
                SWAT_HELPER(stop, smbd)
        }
#else
        if (pid <= 0) return;

        kill(pid, SIGTERM);
#endif
}
/* stop nmbd */
void stop_nmbd(void)
{
        pid_t pid = pidfile_pid("nmbd");
        if (geteuid() != 0) return;

#ifdef __OS2__  /* we do it a bit nicer */
        if (nmbd_running()) {
                char *binfile = NULL;
                SWAT_HELPER(stop, nmbd)
        }
#else
        if (pid <= 0) return;

        kill(pid, SIGTERM);
#endif
}

#ifdef WITH_WINBIND
/* stop winbindd */
void stop_winbindd(void)
{
        pid_t pid = pidfile_pid("winbindd");

        if (geteuid() != 0) return;

#ifdef __OS2__  /* we do it a bit nicer */
        if (winbindd_running()) {
                char *binfile = NULL;
                SWAT_HELPER(stop, winbindd)
        }
#else
        if (pid <= 0) return;

        kill(pid, SIGTERM);
#endif
}
#endif
/* kill a specified process */
void kill_pid(struct server_id pid)
{
        if (geteuid() != 0) return;

        if (procid_to_pid(&pid) <= 0) return;

        kill(procid_to_pid(&pid), SIGTERM);
}