/*******************************************************************
report a fault
********************************************************************/
static void fault_report(int sig)
{
static int counter;
if (counter)
abort();
counter++;
LOG(log_severe, logtype_default, "===============================================================");
LOG(log_severe, logtype_default, "INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)getpid(),VERSION);
LOG(log_severe, logtype_default, "===============================================================");
netatalk_panic("internal error");
if (cont_fn) {
cont_fn(NULL);
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST SIG_DFL);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST SIG_DFL);
#endif
return; /* this should cause a core dump */
}
abort();
}
/*******************************************************************
report a fault
********************************************************************/
static void fault_report(int sig)
{
static int counter;
if (counter) _exit(1);
counter++;
DEBUGSEP(0);
DEBUG(0,("INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)sys_getpid(),SAMBA_VERSION_STRING));
DEBUG(0,("\nPlease read the Trouble-Shooting section of the Samba3-HOWTO\n"));
DEBUG(0,("\nFrom: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf\n"));
DEBUGSEP(0);
smb_panic("internal error");
if (cont_fn) {
cont_fn(NULL);
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST SIG_DFL);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST SIG_DFL);
#endif
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
return; /* this should cause a core dump */
}
exit(1);
}
/*******************************************************************
report a fault
********************************************************************/
static void fault_report(int sig)
{
static int counter;
if (counter) _exit(1);
counter++;
DEBUG(0,("===============================================================\n"));
DEBUG(0,("INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)sys_getpid(),VERSION));
DEBUG(0,("\nPlease read the file BUGS.txt in the distribution\n"));
DEBUG(0,("===============================================================\n"));
smb_panic("internal error");
if (cont_fn) {
cont_fn(NULL);
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST SIG_DFL);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST SIG_DFL);
#endif
return; /* this should cause a core dump */
}
exit(1);
}
BOOL
do_file_lock (int fd, int waitsecs, int type)
{
SMB_STRUCT_FLOCK lock;
int ret;
gotalarm = 0;
CatchSignal (SIGALRM, SIGNAL_CAST gotalarm_sig);
lock.l_type = type;
lock.l_whence = SEEK_SET;
lock.l_start = 0;
lock.l_len = 1;
lock.l_pid = 0;
alarm (waitsecs);
ret = fcntl (fd, SMB_F_SETLKW, &lock);
alarm (0);
CatchSignal (SIGALRM, SIGNAL_CAST SIG_DFL);
if (gotalarm)
{
DEBUG (0, ("do_file_lock: failed to %s file.\n", type == F_UNLCK ? "unlock" : "lock"));
return False;
}
return (ret == 0);
}
/***************************************************************************
create a child process to handle DNS lookups
****************************************************************************/
void start_async_dns(void)
{
int fd1[2], fd2[2];
CatchChild();
if (pipe(fd1) || pipe(fd2)) {
DEBUG(0,("can't create asyncdns pipes\n"));
return;
}
child_pid = sys_fork();
if (child_pid) {
fd_in = fd1[0];
fd_out = fd2[1];
close(fd1[1]);
close(fd2[0]);
DEBUG(0,("started asyncdns process %d\n", (int)child_pid));
return;
}
fd_in = fd2[0];
fd_out = fd1[1];
CatchSignal(SIGUSR2, SIG_IGN);
CatchSignal(SIGUSR1, SIG_IGN);
CatchSignal(SIGHUP, SIG_IGN);
CatchSignal(SIGTERM, SIGNAL_CAST sig_term );
asyncdns_process();
}
static int tdb_chainlock_with_timeout_internal( TDB_CONTEXT *tdb, TDB_DATA key, unsigned int timeout, int rw_type)
{
/* Allow tdb_chainlock to be interrupted by an alarm. */
int ret;
gotalarm = 0;
if (timeout) {
CatchSignal(SIGALRM, gotalarm_sig);
tdb_setalarm_sigptr(tdb, &gotalarm);
alarm(timeout);
}
if (rw_type == F_RDLCK)
ret = tdb_chainlock_read(tdb, key);
else
ret = tdb_chainlock(tdb, key);
if (timeout) {
alarm(0);
tdb_setalarm_sigptr(tdb, NULL);
CatchSignal(SIGALRM, SIG_IGN);
if (gotalarm && (ret != 0)) {
DEBUG(0,("tdb_chainlock_with_timeout_internal: alarm (%u) timed out for key %s in tdb %s\n",
timeout, key.dptr, tdb_name(tdb)));
/* TODO: If we time out waiting for a lock, it might
* be nice to use F_GETLK to get the pid of the
* process currently holding the lock and print that
* as part of the debugging message. -- mbp */
return -1;
}
}
return ret == 0 ? 0 : -1;
}
static bool do_file_lock(int fd, int waitsecs, int type)
{
SMB_STRUCT_FLOCK lock;
int ret;
void (*oldsig_handler)(int);
gotalarm = 0;
oldsig_handler = CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
lock.l_type = type;
lock.l_whence = SEEK_SET;
lock.l_start = 0;
lock.l_len = 1;
lock.l_pid = 0;
alarm(waitsecs);
/* Note we must *NOT* use sys_fcntl here ! JRA */
ret = fcntl(fd, SMB_F_SETLKW, &lock);
alarm(0);
CatchSignal(SIGALRM, SIGNAL_CAST oldsig_handler);
if (gotalarm && ret == -1) {
DEBUG(0, ("do_file_lock: failed to %s file.\n",
type == F_UNLCK ? "unlock" : "lock"));
return False;
}
return (ret == 0);
}
/*
setup signal masks
*/
static void setup_signals(void)
{
/* we are never interested in SIGPIPE */
BlockSignals(true,SIGPIPE);
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(true,SIGFPE);
#endif
/* We are no longer interested in USR1 */
BlockSignals(true, SIGUSR1);
#if defined(SIGUSR2)
/* We are no longer interested in USR2 */
BlockSignals(true,SIGUSR2);
#endif
/* POSIX demands that signals are inherited. If the invoking process has
* these signals masked, we will have problems, as we won't receive them. */
BlockSignals(false, SIGHUP);
BlockSignals(false, SIGTERM);
CatchSignal(SIGHUP, sig_hup);
CatchSignal(SIGTERM, sig_term);
}
/*
setup signal masks
*/
static void setup_signals(void)
{
/* we are never interested in SIGPIPE */
BlockSignals(true, SIGPIPE);
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(true, SIGFPE);
#endif
/* We are no longer interested in USR1 */
BlockSignals(true, SIGUSR1);
/* We are no longer interested in SIGINT except for monitor */
BlockSignals(true, SIGINT);
#if defined(SIGUSR2)
/* We are no longer interested in USR2 */
BlockSignals(true, SIGUSR2);
#endif
/* POSIX demands that signals are inherited. If the invoking process has
* these signals masked, we will have problems, as we won't receive them. */
BlockSignals(false, SIGHUP);
BlockSignals(false, SIGTERM);
#ifndef HAVE_PRCTL
/* If prctl is not defined on the system, try to handle
* some common termination signals gracefully */
CatchSignal(SIGSEGV, sig_segv_abrt);
CatchSignal(SIGABRT, sig_segv_abrt);
#endif
}
static http_t *cups_connect(TALLOC_CTX *frame)
{
http_t *http = NULL;
char *server = NULL, *p = NULL;
int port;
int timeout = lp_cups_connection_timeout();
size_t size;
if (lp_cups_server(talloc_tos()) != NULL && strlen(lp_cups_server(talloc_tos())) > 0) {
if (!push_utf8_talloc(frame, &server, lp_cups_server(talloc_tos()), &size)) {
return NULL;
}
} else {
server = talloc_strdup(frame,cupsServer());
}
if (!server) {
return NULL;
}
p = strchr(server, ':');
if (p) {
port = atoi(p+1);
*p = '\0';
} else {
port = ippPort();
}
DEBUG(10, ("connecting to cups server %s:%d\n",
server, port));
gotalarm = 0;
if (timeout) {
CatchSignal(SIGALRM, gotalarm_sig);
alarm(timeout);
}
#ifdef HAVE_HTTPCONNECTENCRYPT
http = httpConnectEncrypt(server, port, lp_cups_encrypt());
#else
http = httpConnect(server, port);
#endif
CatchSignal(SIGALRM, SIG_IGN);
alarm(0);
if (http == NULL) {
DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n",
server, port, strerror(errno)));
}
return http;
}
/*******************************************************************
setup our fault handlers
********************************************************************/
void fault_setup(void (*fn)(void *))
{
cont_fn = fn;
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST sig_fault);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST sig_fault);
#endif
}
void ZSList::WorldShutDown(uint32 time, uint32 interval)
{
if( time > 0 ) {
SendEmoteMessage(0,0,0,15,"<SYSTEMWIDE MESSAGE>:SYSTEM MSG:World coming down in %i seconds, everyone log out before this time.",time);
time *= 1000;
interval *= 1000;
if(interval < 5000) { interval = 5000; }
shutdowntimer->SetTimer(time);
reminder->SetTimer(interval-1000);
reminder->SetAtTrigger(interval);
shutdowntimer->Start();
reminder->Start();
}
else {
SendEmoteMessage(0,0,0,15,"<SYSTEMWIDE MESSAGE>:SYSTEM MSG:World coming down, everyone log out now.");
ServerPacket* pack = new ServerPacket;
pack->opcode = ServerOP_ShutdownAll;
pack->size=0;
SendPacket(pack);
safe_delete(pack);
Process();
CatchSignal(2);
}
}
void dump_core(void)
{
/* Note that even if core dumping has been disabled, we still set up
* the core path. This is to handle the case where core dumping is
* turned on in smb.conf and the relevant daemon is not restarted.
*/
if (!lp_enable_core_files()) {
DEBUG(0, ("Exiting on internal error (core file administratively disabled\n"));
exit(1);
}
if (*corepath != '\0') {
/* The chdir might fail if we dump core before we finish
* processing the config file.
*/
if (chdir(corepath) != 0) {
DEBUG(0, ("unable to change to %s", corepath));
DEBUGADD(0, ("refusing to dump core\n"));
exit(1);
}
DEBUG(0,("dumping core in %s\n", corepath));
}
umask(~(0700));
dbgflush();
/* Ensure we don't have a signal handler for abort. */
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
abort();
}
/**
Something really nasty happened - panic !
**/
_PUBLIC_ _NORETURN_ void smb_panic(const char *why)
{
int result;
if (panic_action && *panic_action) {
char pidstr[20];
char cmdstring[200];
safe_strcpy(cmdstring, panic_action, sizeof(cmdstring));
snprintf(pidstr, sizeof(pidstr), "%u", getpid());
all_string_sub(cmdstring, "%PID%", pidstr, sizeof(cmdstring));
if (progname) {
all_string_sub(cmdstring, "%PROG%", progname, sizeof(cmdstring));
}
DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmdstring));
result = system(cmdstring);
if (result == -1)
DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
strerror(errno)));
else
DEBUG(0, ("smb_panic(): action returned status %d\n",
WEXITSTATUS(result)));
}
DEBUG(0,("PANIC: %s\n", why));
call_backtrace();
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
abort();
}
void AddEQEMuError(eEQEMuError iError, bool iExitNow) {
if (!iError)
return;
if (!EQEMuErrorList) {
EQEMuErrorList = new LinkedList<char*>;
MEQEMuErrorList = new Mutex;
}
LockMutex lock(MEQEMuErrorList);
LinkedListIterator<char*> iterator(*EQEMuErrorList);
iterator.Reset();
while (iterator.MoreElements()) {
if (iterator.GetData()[0] == 1) {
//Umm... this gets a big WTF...
// if (*((uint32*) iterator.GetData()[1]) == iError)
//not sure whats going on, using a character as a pointer....
if (*((eEQEMuError*) &(iterator.GetData()[1])) == iError)
return;
}
iterator.Advance();
}
char* tmp = new char[6];
tmp[0] = 1;
tmp[5] = 0;
*((uint32*) &tmp[1]) = iError;
EQEMuErrorList->Append(tmp);
if (iExitNow)
CatchSignal(2);
}
/**
setup our fault handlers
**/
_PUBLIC_ void fault_setup(const char *pname)
{
if (progname == NULL) {
progname = pname;
}
#ifdef SIGSEGV
CatchSignal(SIGSEGV,SIGNAL_CAST sig_fault);
#endif
#ifdef SIGBUS
CatchSignal(SIGBUS,SIGNAL_CAST sig_fault);
#endif
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST sig_fault);
#endif
#ifdef SIGFPE
CatchSignal(SIGFPE,SIGNAL_CAST sig_fault);
#endif
}
void dump_core(void)
{
static bool called;
if (called) {
DEBUG(0, ("dump_core() called recursive\n"));
exit(1);
}
called = true;
/* Note that even if core dumping has been disabled, we still set up
* the core path. This is to handle the case where core dumping is
* turned on in smb.conf and the relevant daemon is not restarted.
*/
if (!lp_enable_core_files()) {
DEBUG(0, ("Exiting on internal error (core file administratively disabled)\n"));
exit(1);
}
#if DUMP_CORE
/* If we're running as non root we might not be able to dump the core
* file to the corepath. There must not be an unbecome_root() before
* we call abort(). */
if (geteuid() != 0) {
become_root();
}
if (*corepath != '\0') {
/* The chdir might fail if we dump core before we finish
* processing the config file.
*/
if (chdir(corepath) != 0) {
DEBUG(0, ("unable to change to %s\n", corepath));
DEBUGADD(0, ("refusing to dump core\n"));
exit(1);
}
DEBUG(0,("dumping core in %s\n", corepath));
}
umask(~(0700));
dbgflush();
/* Ensure we don't have a signal handler for abort. */
#ifdef SIGABRT
CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
#endif
abort();
#else /* DUMP_CORE */
exit(1);
#endif /* DUMP_CORE */
}
/* ************************************************************************** **
* catch a sigusr2 - decrease the debug log level.
* ************************************************************************** **
*/
void sig_usr2( int sig )
{
DEBUGLEVEL--;
if( DEBUGLEVEL < 0 )
DEBUGLEVEL = 0;
DEBUG( 0, ( "Got SIGUSR2; set debug level to %d.\n", DEBUGLEVEL ) );
#if !defined(HAVE_SIGACTION)
CatchSignal( SIGUSR2, SIGNAL_CAST sig_usr2 );
#endif
} /* sig_usr2 */
// ---------------------------------------------------------------------------
// void OnSignalProc(int s)
//
// handle signal, if signal SIGTERM is received.
// the main process should be shutdown.
// ---------------------------------------------------------------------------
//
void OnSignalProc(int s) {
const char *funcName = "OnSignalProc";
LOG(LL_ERROR, "%s::Catch signal :%d", funcName, s);
if (s == SIGUSR1) {
LOG(LL_ERROR, "%s::signal :%d", funcName, s);
} else {
LOG(LL_ERROR, "%s::Catch signal :%d, exit!!!", funcName, s);
gIsStoped = true;
exit(0);
}
CatchSignal();
}
static void sig_cld_leave_status(int signum)
{
/*
* Turns out it's *really* important not to
* restore the signal handler here if we have real POSIX
* signal handling. If we do, then we get the signal re-delivered
* immediately - hey presto - instant loop ! JRA.
*/
#if !defined(HAVE_SIGACTION)
CatchSignal(SIGCLD, sig_cld_leave_status);
#endif
}
static void winbind_msg_validate_cache(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
DATA_BLOB *data)
{
uint8 ret;
pid_t child_pid;
NTSTATUS status;
DEBUG(10, ("winbindd_msg_validate_cache: got validate-cache "
"message.\n"));
/*
* call the validation code from a child:
* so we don't block the main winbindd and the validation
* code can safely use fork/waitpid...
*/
child_pid = sys_fork();
if (child_pid == -1) {
DEBUG(1, ("winbind_msg_validate_cache: Could not fork: %s\n",
strerror(errno)));
return;
}
if (child_pid != 0) {
/* parent */
DEBUG(5, ("winbind_msg_validate_cache: child created with "
"pid %d.\n", (int)child_pid));
return;
}
/* child */
status = winbindd_reinit_after_fork(NULL, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("winbindd_reinit_after_fork failed: %s\n",
nt_errstr(status)));
_exit(0);
}
/* install default SIGCHLD handler: validation code uses fork/waitpid */
CatchSignal(SIGCHLD, SIG_DFL);
ret = (uint8)winbindd_validate_cache_nobackup();
DEBUG(10, ("winbindd_msg_validata_cache: got return value %d\n", ret));
messaging_send_buf(msg_ctx, server_id, MSG_WINBIND_VALIDATE_CACHE, &ret,
(size_t)1);
_exit(0);
}
void AddEQEMuError(char* iError, bool iExitNow) {
if (!iError)
return;
if (!EQEMuErrorList) {
EQEMuErrorList = new LinkedList<char*>;
MEQEMuErrorList = new Mutex;
}
LockMutex lock(MEQEMuErrorList);
char* tmp = strcpy(new char[strlen(iError) + 1], iError);
EQEMuErrorList->Append(tmp);
if (iExitNow)
CatchSignal(2);
}
/* ************************************************************************** **
* catch a sigusr1 - increase the debug log level.
* ************************************************************************** **
*/
void sig_usr1( int sig )
{
DEBUGLEVEL++;
if( DEBUGLEVEL > 10 )
DEBUGLEVEL = 10;
DEBUG( 0, ( "Got SIGUSR1; set debug level to %d.\n", DEBUGLEVEL ) );
#if !defined(HAVE_SIGACTION)
CatchSignal( SIGUSR1, SIGNAL_CAST sig_usr1 );
#endif
} /* sig_usr1 */
static void sig_cld(int signum)
{
while (sys_waitpid((pid_t)-1,(int *)NULL, WNOHANG) > 0)
;
/*
* Turns out it's *really* important not to
* restore the signal handler here if we have real POSIX
* signal handling. If we do, then we get the signal re-delivered
* immediately - hey presto - instant loop ! JRA.
*/
#if !defined(HAVE_SIGACTION)
CatchSignal(SIGCLD, sig_cld);
#endif
}
BOOL message_init(void)
{
if (tdb) return True;
tdb = tdb_open_log(lock_path("messages.tdb"),
0, TDB_CLEAR_IF_FIRST|TDB_DEFAULT,
O_RDWR|O_CREAT,0600);
if (!tdb) {
DEBUG(0,("ERROR: Failed to initialise messages database\n"));
return False;
}
CatchSignal(SIGUSR1, SIGNAL_CAST sig_usr1);
message_register(MSG_PING, ping_message);
message_register(MSG_REQ_DEBUGLEVEL, debuglevel_message);
return True;
}
void ZSList::Process() {
if(shutdowntimer && shutdowntimer->Check()){
_log(WORLD__ZONELIST, "Shutdown timer has expired. Telling all zones to shut down and exiting. (fake sigint)");
ServerPacket* pack2 = new ServerPacket;
pack2->opcode = ServerOP_ShutdownAll;
pack2->size=0;
SendPacket(pack2);
safe_delete(pack2);
Process();
CatchSignal(2);
}
if(reminder && reminder->Check()){
SendEmoteMessage(0,0,0,15,"<SYSTEMWIDE MESSAGE>:SYSTEM MSG:World coming down, everyone log out now. World will shut down in %i seconds...",shutdowntimer->GetRemainingTime()/1000);
}
LinkedListIterator<ZoneServer*> iterator(list);
iterator.Reset();
while(iterator.MoreElements()) {
if (!iterator.GetData()->Process()) {
ZoneServer* zs = iterator.GetData();
struct in_addr in;
in.s_addr = zs->GetIP();
_log(WORLD__ZONELIST,"Removing zoneserver #%d at %s:%d",zs->GetID(),zs->GetCAddress(),zs->GetCPort());
zs->LSShutDownUpdate(zs->GetZoneID());
if (holdzones){
_log(WORLD__ZONELIST,"Hold Zones mode is ON - rebooting lost zone");
if(!zs->IsStaticZone())
RebootZone(inet_ntoa(in),zs->GetCPort(),zs->GetCAddress(),zs->GetID());
else
RebootZone(inet_ntoa(in),zs->GetCPort(),zs->GetCAddress(),zs->GetID(),database.GetZoneID(zs->GetZoneName()));
}
iterator.RemoveCurrent();
numzones--;
}
else {
iterator.Advance();
}
}
}
BOOL message_init(void)
{
if (tdb) return True;
tdb = tdb_open_log(lock_path("messages.tdb"),
0, TDB_CLEAR_IF_FIRST|TDB_DEFAULT,
O_RDWR|O_CREAT,0600);
if (!tdb) {
DEBUG(0,("ERROR: Failed to initialise messages database\n"));
return False;
}
CatchSignal(SIGUSR1, SIGNAL_CAST sig_usr1);
message_register(MSG_PING, ping_message);
/* Register some debugging related messages */
register_msg_pool_usage();
register_dmalloc_msgs();
return True;
}
int main(int argc, const char ** argv)
{
int i;
const char ** dd_args;
struct tevent_context *ev;
poptContext pctx;
struct poptOption poptions[] = {
/* POPT_AUTOHELP */
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, cifsddHelpOptions,
0, "Help options:", NULL },
POPT_COMMON_SAMBA
POPT_COMMON_CONNECTION
POPT_COMMON_CREDENTIALS
POPT_COMMON_VERSION
{ NULL }
};
/* Block sizes. */
set_arg_val("bs", (uint64_t)4096);
set_arg_val("ibs", (uint64_t)4096);
set_arg_val("obs", (uint64_t)4096);
/* Block counts. */
set_arg_val("count", (uint64_t)-1);
set_arg_val("seek", (uint64_t)0);
set_arg_val("seek", (uint64_t)0);
/* Files. */
set_arg_val("if", NULL);
set_arg_val("of", NULL);
/* Options. */
set_arg_val("direct", false);
set_arg_val("sync", false);
set_arg_val("oplock", false);
pctx = poptGetContext(PROGNAME, argc, argv, poptions, 0);
while ((i = poptGetNextOpt(pctx)) != -1) {
;
}
for (dd_args = poptGetArgs(pctx); dd_args && *dd_args; ++dd_args) {
if (!set_arg_argv(*dd_args)) {
fprintf(stderr, "%s: invalid option: %s\n",
PROGNAME, *dd_args);
exit(SYNTAX_EXIT_CODE);
}
/* "bs" has the side-effect of setting "ibs" and "obs". */
if (strncmp(*dd_args, "bs=", 3) == 0) {
uint64_t bs = check_arg_numeric("bs");
set_arg_val("ibs", bs);
set_arg_val("obs", bs);
}
}
ev = s4_event_context_init(talloc_autofree_context());
gensec_init(cmdline_lp_ctx);
dump_args();
if (check_arg_numeric("ibs") == 0 || check_arg_numeric("ibs") == 0) {
fprintf(stderr, "%s: block sizes must be greater that zero\n",
PROGNAME);
exit(SYNTAX_EXIT_CODE);
}
if (check_arg_pathname("if") == NULL) {
fprintf(stderr, "%s: missing input filename\n", PROGNAME);
exit(SYNTAX_EXIT_CODE);
}
if (check_arg_pathname("of") == NULL) {
fprintf(stderr, "%s: missing output filename\n", PROGNAME);
exit(SYNTAX_EXIT_CODE);
}
CatchSignal(SIGINT, dd_handle_signal);
CatchSignal(SIGUSR1, dd_handle_signal);
return(copy_files(ev, cmdline_lp_ctx));
}
int pam_sm_authenticate(pam_handle_t *pamh, int flags,
int argc, const char **argv)
{
unsigned int ctrl;
int retval, *ret_data = NULL;
struct samu *sampass = NULL;
const char *name;
void (*oldsig_handler)(int) = NULL;
bool found;
/* Points to memory managed by the PAM library. Do not free. */
char *p = NULL;
/* Samba initialization. */
load_case_tables();
lp_set_in_client(True);
ctrl = set_ctrl(pamh, flags, argc, argv);
/* Get a few bytes so we can pass our return value to
pam_sm_setcred(). */
ret_data = SMB_MALLOC_P(int);
/* we need to do this before we call AUTH_RETURN */
/* Getting into places that might use LDAP -- protect the app
from a SIGPIPE it's not expecting */
oldsig_handler = CatchSignal(SIGPIPE, SIGNAL_CAST SIG_IGN);
/* get the username */
retval = pam_get_user( pamh, &name, "Username: "******"auth: could not identify user");
}
AUTH_RETURN;
}
if (on( SMB_DEBUG, ctrl )) {
_log_err(pamh, LOG_DEBUG, "username [%s] obtained", name );
}
if (geteuid() != 0) {
_log_err(pamh, LOG_DEBUG, "Cannot access samba password database, not running as root.");
retval = PAM_AUTHINFO_UNAVAIL;
AUTH_RETURN;
}
if (!initialize_password_db(True, NULL)) {
_log_err(pamh, LOG_ALERT, "Cannot access samba password database" );
retval = PAM_AUTHINFO_UNAVAIL;
AUTH_RETURN;
}
sampass = samu_new( NULL );
if (!sampass) {
_log_err(pamh, LOG_ALERT, "Cannot talloc a samu struct" );
retval = nt_status_to_pam(NT_STATUS_NO_MEMORY);
AUTH_RETURN;
}
found = pdb_getsampwnam( sampass, name );
if (on( SMB_MIGRATE, ctrl )) {
retval = _smb_add_user(pamh, ctrl, name, sampass, found);
TALLOC_FREE(sampass);
AUTH_RETURN;
}
if (!found) {
_log_err(pamh, LOG_ALERT, "Failed to find entry for user %s.", name);
retval = PAM_USER_UNKNOWN;
TALLOC_FREE(sampass);
sampass = NULL;
AUTH_RETURN;
}
/* if this user does not have a password... */
if (_smb_blankpasswd( ctrl, sampass )) {
TALLOC_FREE(sampass);
retval = PAM_SUCCESS;
AUTH_RETURN;
}
/* get this user's authentication token */
retval = _smb_read_password(pamh, ctrl, NULL, "Password: "******"auth: no password provided for [%s]", name);
TALLOC_FREE(sampass);
AUTH_RETURN;
}
/* verify the password of this user */
retval = _smb_verify_password( pamh, sampass, p, ctrl );
TALLOC_FREE(sampass);
p = NULL;
AUTH_RETURN;
}
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
int i; /* Looping var */
int copies; /* Number of copies */
int port; /* Port number */
char uri[1024], /* URI */
*sep, /* Pointer to separator */
*password; /* Password */
const char *username, /* Username */
*server, /* Server name */
*printer; /* Printer name */
const char *workgroup; /* Workgroup */
FILE *fp; /* File to print */
int status=0; /* Status of LPD job */
struct cli_state *cli; /* SMB interface */
char null_str[1];
int tries = 0;
const char *dev_uri;
null_str[0] = '\0';
/* we expect the URI in argv[0]. Detect the case where it is in argv[1] and cope */
if (argc > 2 && strncmp(argv[0],"smb://", 6) && !strncmp(argv[1],"smb://", 6)) {
argv++;
argc--;
}
if (argc == 1)
{
/*
* NEW! In CUPS 1.1 the backends are run with no arguments to list the
* available devices. These can be devices served by this backend
* or any other backends (i.e. you can have an SNMP backend that
* is only used to enumerate the available network printers... :)
*/
list_devices();
return (0);
}
if (argc < 6 || argc > 7)
{
fprintf(stderr, "Usage: %s [DEVICE_URI] job-id user title copies options [file]\n",
argv[0]);
fputs(" The DEVICE_URI environment variable can also contain the\n", stderr);
fputs(" destination printer:\n", stderr);
fputs("\n", stderr);
fputs(" smb://[username:password@][workgroup/]server[:port]/printer\n", stderr);
return (1);
}
/*
* If we have 7 arguments, print the file named on the command-line.
* Otherwise, print data from stdin...
*/
if (argc == 6)
{
/*
* Print from Copy stdin to a temporary file...
*/
fp = stdin;
copies = 1;
}
else if ((fp = fopen(argv[6], "rb")) == NULL)
{
perror("ERROR: Unable to open print file");
return (1);
}
else
copies = atoi(argv[4]);
/*
* Find the URI...
*/
dev_uri = getenv("DEVICE_URI");
if (dev_uri)
strncpy(uri, dev_uri, sizeof(uri) - 1);
else if (strncmp(argv[0], "smb://", 6) == 0)
strncpy(uri, argv[0], sizeof(uri) - 1);
else
{
fputs("ERROR: No device URI found in DEVICE_URI environment variable or argv[0] !\n", stderr);
return (1);
}
uri[sizeof(uri) - 1] = '\0';
/*
* Extract the destination from the URI...
*/
if ((sep = strrchr_m(uri, '@')) != NULL)
{
username = uri + 6;
*sep++ = '\0';
server = sep;
/*
* Extract password as needed...
*/
if ((password = strchr_m(username, ':')) != NULL)
*password++ = '\0';
else
password = null_str;
}
else
{
username = null_str;
password = null_str;
server = uri + 6;
}
if ((sep = strchr_m(server, '/')) == NULL)
{
fputs("ERROR: Bad URI - need printer name!\n", stderr);
return (1);
}
*sep++ = '\0';
printer = sep;
if ((sep = strchr_m(printer, '/')) != NULL)
{
/*
* Convert to smb://[username:password@]workgroup/server/printer...
*/
*sep++ = '\0';
workgroup = server;
server = printer;
printer = sep;
}
else
workgroup = NULL;
if ((sep = strrchr_m(server, ':')) != NULL)
{
*sep++ = '\0';
port=atoi(sep);
}
else
port=0;
/*
* Setup the SAMBA server state...
*/
setup_logging("smbspool", True);
in_client = True; /* Make sure that we tell lp_load we are */
load_case_tables();
if (!lp_load(dyn_CONFIGFILE, True, False, False, True))
{
fprintf(stderr, "ERROR: Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
return (1);
}
if (workgroup == NULL)
workgroup = lp_workgroup();
load_interfaces();
do
{
if ((cli = smb_connect(workgroup, server, port, printer, username, password, argv[2])) == NULL)
{
if (getenv("CLASS") == NULL)
{
fprintf(stderr, "ERROR: Unable to connect to CIFS host, will retry in 60 seconds...\n");
sleep (60); /* should just waiting and retrying fix authentication ??? */
tries++;
}
else
{
fprintf(stderr, "ERROR: Unable to connect to CIFS host, trying next printer...\n");
return (1);
}
}
}
while ((cli == NULL) && (tries < MAX_RETRY_CONNECT));
if (cli == NULL) {
fprintf(stderr, "ERROR: Unable to connect to CIFS host after (tried %d times)\n", tries);
return (1);
}
/*
* Now that we are connected to the server, ignore SIGTERM so that we
* can finish out any page data the driver sends (e.g. to eject the
* current page... Only ignore SIGTERM if we are printing data from
* stdin (otherwise you can't cancel raw jobs...)
*/
if (argc < 7)
CatchSignal(SIGTERM, SIG_IGN);
/*
* Queue the job...
*/
for (i = 0; i < copies; i ++)
if ((status = smb_print(cli, argv[3] /* title */, fp)) != 0)
break;
cli_shutdown(cli);
/*
* Return the queue status...
*/
return (status);
}