BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question)
{
struct name_record *namerec = NULL;
struct in_addr dns_ip;
unstring qname;
pull_ascii_nstring(qname, sizeof(qname), question->name);
DEBUG(3,("DNS search for %s - ", nmb_namestr(question)));
/* Unblock TERM signal so we can be killed in DNS lookup. */
BlockSignals(False, SIGTERM);
dns_ip.s_addr = interpret_addr(qname);
/* Re-block TERM signal. */
BlockSignals(True, SIGTERM);
namerec = add_dns_result(question, dns_ip);
if(namerec == NULL) {
send_wins_name_query_response(NAM_ERR, p, NULL);
} else {
send_wins_name_query_response(0, p, namerec);
}
return False;
}
/* see man pthread_exit(3) */
void gtthread_exit(void *retval){
dlink_t* temp_link;
dlink_t* temp_link2;
BlockSignals();
temp_link = schedule_queue->running;
schedule_queue->running->thread_block->returnval = retval;
temp_link->thread_block->exited = 1;
if(schedule_queue->running != schedule_queue->begin){
temp_link2 = FindNode(schedule_queue,schedule_queue->running->thread_block->parent_threadid);
if(temp_link2 == NULL){
fprintf(stderr,"gtthread_exit() error: no parent found");
}
else{
temp_link2->thread_block->child_count--;
UnblockSignals();
raise(SIGVTALRM);
}
}
else{
temp_link->thread_block->exited = 0;
schedule_queue->main_exited = 1;
while(schedule_queue->running->thread_block->child_count!=0){
UnblockSignals();
raise(SIGVTALRM);
BlockSignals();
}
//exit(*(int*)retval);
}
/*while(temp_link->thread_block->child_count!=0){
UnblockSignals();
raise(SIGVTALRM);
BlockSignals();
}
if(schedule_queue->running == schedule_queue->begin){
exit(0);
}
else{
temp_link2 = FindNode(schedule_queue,schedule_queue->running->thread_block->parent_threadid);
if(temp_link2 == NULL){
fprintf(stderr,"Error: no parent found");
}
else{
temp_link2->thread_block->child_count--;
temp_link->thread_block->exited = 1;
UnblockSignals();
raise(SIGVTALRM);
}
}*/
}
static void sig_hup(int sig)
{
BlockSignals( True, SIGHUP );
DEBUG( 0, ( "Got SIGHUP dumping debug info.\n" ) );
write_browse_list( 0, True );
dump_all_namelists();
reload_after_sighup = True;
BlockSignals(False,SIGHUP);
} /* sig_hup */
int MyHttpd::Start(const RunOptions& options)
{
ConfigReader cr;
if (!LoadConfig(cr,options.configFile))
{
AppLog(Logger::ERROR,"MyHttpd exiting due to problem loading configuration");
return 0;
}
sAppLog.SetLogLevel((options.debugLog) ? Logger::DEBUG : Logger::INFO);
BlockSignals();
RequestQueue &requestQueue=RequestQueue::GetInstance();
requestQueue.AddWorker(mNrRequestWorkers);
AddConnectionWorker(mNrConnectionWorkers);
AllowSignals();
signal(SIGINT,handlerInt);
StartSites(cr);
mKeepRunning=true;
while (mKeepRunning)
{
usleep(1000);
}
AppLog(Logger::INFO,"MyHttpd shutting down");
Stop();
return 0;
}
errno_t krb5_install_sigterm_handler(struct tevent_context *ev,
struct krb5_ctx *krb5_ctx)
{
const char *krb5_realm;
char *sig_realm;
struct tevent_signal *sige;
BlockSignals(false, SIGTERM);
krb5_realm = dp_opt_get_cstring(krb5_ctx->opts, KRB5_REALM);
if (krb5_realm == NULL) {
DEBUG(1, ("Missing krb5_realm option!\n"));
return EINVAL;
}
sig_realm = talloc_strdup(krb5_ctx, krb5_realm);
if (sig_realm == NULL) {
DEBUG(1, ("talloc_strdup failed!\n"));
return ENOMEM;
}
sige = tevent_add_signal(ev, krb5_ctx, SIGTERM, SA_SIGINFO, krb5_finalize,
sig_realm);
if (sige == NULL) {
DEBUG(1, ("tevent_add_signal failed.\n"));
talloc_free(sig_realm);
return ENOMEM;
}
talloc_steal(sige, sig_realm);
return EOK;
}
/*
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
}
/* see man pthread_join(3) */
int gtthread_join(gtthread_t thread, void **status){
gtid_t thread_id;
dlink_t* temp_dlink;
thread_id = thread.threadid;
BlockSignals();
temp_dlink = FindNode(schedule_queue,thread_id);
if(temp_dlink == NULL){
return -1;
}
else if(temp_dlink == schedule_queue->begin)
{
while(schedule_queue->main_exited==0){
UnblockSignals();
gtthread_yield();
BlockSignals();
}
if(temp_dlink->thread_block->cancelled==1){
*status = (void*)(int)-1;
}
else if(status!=NULL){
*status = temp_dlink->thread_block->returnval;
}
UnblockSignals();
return 0;
}
else{
while(!(temp_dlink->thread_block->exited || temp_dlink->thread_block->finished|| temp_dlink->thread_block->cancelled)){
UnblockSignals();
gtthread_yield();
BlockSignals();
}
if(temp_dlink->thread_block->cancelled==1){
if(status!=NULL){
*status = (void*)(int)-1;
}
}
else if(status!=NULL){
*status = temp_dlink->thread_block->returnval;
}
UnblockSignals();
return 0;
}
}
/* see man pthread_self(3) */
gtthread_t gtthread_self(void){
struct itimerval *timer;
gtthread_t return_thread;
BlockSignals();
return_thread = *(schedule_queue->running->thread_block);
UnblockSignals();
return return_thread;
}
void sync_browse_lists(struct work_record *work,
char *name, int nm_type,
struct in_addr ip, bool local, bool servers)
{
struct sync_record *s;
static int counter;
START_PROFILE(sync_browse_lists);
/* Check we're not trying to sync with ourselves. This can
happen if we are a domain *and* a local master browser. */
if (ismyip_v4(ip)) {
done:
END_PROFILE(sync_browse_lists);
return;
}
s = SMB_MALLOC_P(struct sync_record);
if (!s) goto done;
ZERO_STRUCTP(s);
unstrcpy(s->workgroup, work->work_group);
unstrcpy(s->server, name);
s->ip = ip;
if (asprintf(&s->fname, "%s/sync.%d", lp_lockdir(), counter++) < 0) {
SAFE_FREE(s);
goto done;
}
/* Safe to use as 0 means no size change. */
all_string_sub(s->fname,"//", "/", 0);
DLIST_ADD(syncs, s);
/* the parent forks and returns, leaving the child to do the
actual sync and call END_PROFILE*/
CatchChild();
if ((s->pid = sys_fork())) return;
BlockSignals( False, SIGTERM );
DEBUG(2,("Initiating browse sync for %s to %s(%s)\n",
work->work_group, name, inet_ntoa(ip)));
fp = x_fopen(s->fname,O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (!fp) {
END_PROFILE(sync_browse_lists);
_exit(1);
}
sync_child(name, nm_type, work->work_group, ip, local, servers,
s->fname);
x_fclose(fp);
END_PROFILE(sync_browse_lists);
_exit(0);
}
int gtthread_mutex_lock(gtthread_mutex_t *mutex){
BlockSignals();
if(schedule_queue == NULL){
fprintf(stderr,"\ngtthread_mutex_lock() Error: Did not initialize gtthread library with gtthread_init()\n");
UnblockSignals();
return -1;
}
else{
while(mutex->threadid != -1){
UnblockSignals();
raise(SIGVTALRM);
BlockSignals();
}
mutex->threadid = schedule_queue->running->thread_block->threadid;
UnblockSignals();
return 0;
}
}
static BOOL linux_oplock_receive_message(fd_set *fds, char *buffer, int buffer_len)
{
int fd;
struct files_struct *fsp;
BlockSignals(True, RT_SIGNAL_LEASE);
fd = fd_pending_array[0];
fsp = file_find_fd(fd);
fd_pending_array[0] = (SIG_ATOMIC_T)-1;
if (signals_received > 1)
memmove((void *)&fd_pending_array[0], (void *)&fd_pending_array[1],
sizeof(SIG_ATOMIC_T)*(signals_received-1));
signals_received--;
/* now we can receive more signals */
BlockSignals(False, RT_SIGNAL_LEASE);
if (fsp == NULL) {
DEBUG(0,("Invalid file descriptor %d in kernel oplock break!\n", (int)fd));
return False;
}
DEBUG(3,("linux_oplock_receive_message: kernel oplock break request received for \
dev = %x, inode = %.0f fd = %d, fileid = %lu \n", (unsigned int)fsp->dev, (double)fsp->inode,
fd, fsp->file_id));
/*
* Create a kernel oplock break message.
*/
/* Setup the message header */
SIVAL(buffer,OPBRK_CMD_LEN_OFFSET,KERNEL_OPLOCK_BREAK_MSG_LEN);
SSVAL(buffer,OPBRK_CMD_PORT_OFFSET,0);
buffer += OPBRK_CMD_HEADER_LEN;
SSVAL(buffer,OPBRK_MESSAGE_CMD_OFFSET,KERNEL_OPLOCK_BREAK_CMD);
memcpy(buffer + KERNEL_OPLOCK_BREAK_DEV_OFFSET, (char *)&fsp->dev, sizeof(fsp->dev));
memcpy(buffer + KERNEL_OPLOCK_BREAK_INODE_OFFSET, (char *)&fsp->inode, sizeof(fsp->inode));
memcpy(buffer + KERNEL_OPLOCK_BREAK_FILEID_OFFSET, (char *)&fsp->file_id, sizeof(fsp->file_id));
return True;
}
/*
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);
}
/***************************************************************************
we use this when we can't do async DNS lookups
****************************************************************************/
BOOL queue_dns_query(struct packet_struct *p,struct nmb_name *question,
struct name_record **n)
{
char *qname = question->name;
struct in_addr dns_ip;
DEBUG(3,("DNS search for %s - ", nmb_namestr(question)));
/* Unblock TERM signal so we can be killed in DNS lookup. */
BlockSignals(False, SIGTERM);
dns_ip.s_addr = interpret_addr(qname);
/* Re-block TERM signal. */
BlockSignals(True, SIGTERM);
*n = add_dns_result(question, dns_ip);
if(*n == NULL)
send_wins_name_query_response(NAM_ERR, p, NULL);
else
send_wins_name_query_response(0, p, *n);
return False;
}
NET_API_STATUS libnetapi_net_init(struct libnetapi_ctx **context)
{
NET_API_STATUS status;
struct libnetapi_ctx *ctx = NULL;
char *krb5_cc_env = NULL;
TALLOC_CTX *frame = talloc_stackframe();
ctx = talloc_zero(frame, struct libnetapi_ctx);
if (!ctx) {
TALLOC_FREE(frame);
return W_ERROR_V(WERR_NOMEM);
}
BlockSignals(True, SIGPIPE);
krb5_cc_env = getenv(KRB5_ENV_CCNAME);
if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
ctx->krb5_cc_env = talloc_strdup(ctx, "MEMORY:libnetapi");
setenv(KRB5_ENV_CCNAME, ctx->krb5_cc_env, 1);
}
if (getenv("USER")) {
ctx->username = talloc_strdup(ctx, getenv("USER"));
} else {
ctx->username = talloc_strdup(ctx, "");
}
if (!ctx->username) {
TALLOC_FREE(frame);
fprintf(stderr, "libnetapi_init: out of memory\n");
return W_ERROR_V(WERR_NOMEM);
}
status = libnetapi_init_private_context(ctx);
if (status != 0) {
TALLOC_FREE(frame);
return status;
}
libnetapi_initialized = true;
talloc_steal(NULL, ctx);
*context = stat_ctx = ctx;
TALLOC_FREE(frame);
return NET_API_STATUS_SUCCESS;
}
void HALdisplayDriver ()
{
do
{
BlockSignals ();
if (messageFromHALos)
{
messageFromHALos = 0;
GetMessageFromHALos ();
ProcessIORequest ();
SendMessageToHALos ();
}
UnblockSignals ();
} while (1);
return;
}
/* see man pthread_cancel(3); but deferred cancelation does not need to be
* implemented; all threads are canceled immediately */
int gtthread_cancel(gtthread_t thread){
dlink_t* temp_link;
temp_link = FindNode(schedule_queue,thread.threadid);
BlockSignals();
//No thread found, return
if(temp_link == NULL){
UnblockSignals();
return -1;
}
else if(temp_link->thread_block->cancelled == 1 || temp_link->thread_block->exited == 1 || temp_link->thread_block->finished == 1){
UnblockSignals();
return -1;
}
//Else if thread was main, exit
else if(temp_link == schedule_queue->begin){
if(schedule_queue->main_exited == 1){
UnblockSignals();
return -1;
}
else{
schedule_queue->main_exited = 1;
temp_link->thread_block->cancelled =1;
UnblockSignals();
}
}
//Else if thread was running
else if(temp_link == schedule_queue->running){
temp_link->thread_block->cancelled =1;
UnblockSignals();
raise(SIGVTALRM);
}
//Else some other thread
else{
temp_link->thread_block->cancelled =1;
UnblockSignals();
return 0;
}
return -1;
}
string GetCommandLine ()
{
string commandLine;
do
{
BlockSignals ();
cout << "HALshell> ";
getline (cin, commandLine);
if (cullProcess)
{
cullProcess = 0;
cin.clear ();
cout << endl;
}
UnblockSignals ();
} while (commandLine.length () == 0);
return commandLine;
}
int gtthread_mutex_unlock(gtthread_mutex_t *mutex){
BlockSignals();
if(schedule_queue == NULL){
fprintf(stderr,"\ngtthread_mutex_lock() Error: Did not initialize gtthread library with gtthread_init()\n");
UnblockSignals();
return -1;
}
else if(mutex->threadid == -1){
UnblockSignals();
return 0;
}
else if(schedule_queue->running->thread_block->threadid == mutex->threadid){
mutex->threadid = -1;
UnblockSignals();
return 0;
}
else{
fprintf(stderr,"\ngtthread_mutex_unlock() Error: Unlock by a different thread not permitted\n");
return -1;
}
}
void WrapperFunction(void*(*start_routine)(void *), void* arg){
void *returnval;
dlink_t* temp_dlink;
returnval = start_routine(arg);
BlockSignals();
//Need to fire a new thread
schedule_queue->running->thread_block->finished =1;
schedule_queue->running->thread_block->returnval = returnval;
temp_dlink = FindNode(schedule_queue,schedule_queue->running->thread_block->parent_threadid);
if(temp_dlink == NULL){
fprintf(stderr,"gtthread_exit() error: no parent found");
exit(1);
}
else{
temp_dlink->thread_block->child_count--;
UnblockSignals();
raise(SIGVTALRM);
}
}
/**************************************************************************** **
catch a sigterm
**************************************************************************** */
static void sig_term(int sig)
{
BlockSignals(True,SIGTERM);
DEBUG(0,("Got SIGTERM: going down...\n"));
/* Write out wins.dat file if samba is a WINS server */
wins_write_database(False);
/* Remove all SELF registered names. */
release_my_names();
/* Announce all server entries as 0 time-to-live, 0 type. */
announce_my_servers_removed();
/* If there was an async dns child - kill it. */
kill_async_dns_child();
exit(0);
} /* sig_term */
/* see man pthread_create(3); the attr parameter is omitted, and this should
* behave as if attr was NULL (i.e., default attributes) */
int gtthread_create(gtthread_t *thread,
void *(*start_routine)(void *),
void *arg){
struct itimerval* timer;
gtid_t parent_id;
dlink_t* thread_dlink;
THREAD_COUNT++;
//Allocate memory for a link
thread_dlink = (dlink_t*)malloc(sizeof(dlink_t));
if(thread_dlink == NULL){
return -1;
}
//Stop Timer
BlockSignals();
parent_id = schedule_queue->running->thread_block->threadid;
schedule_queue->running->thread_block->child_count++;
UnblockSignals();
//Initialize the link
if(InitLink(thread_dlink,thread,THREAD_COUNT,parent_id)==-1){
return -1;
}
//Make Thread Context
if(getcontext(&(thread->thread_context))==-1){
return -1;
}
thread->thread_context.uc_stack.ss_sp = (char*)malloc(sizeof(char)*20*MB);
thread->thread_context.uc_stack.ss_size = sizeof(char)*20*MB;
if(getcontext(thread->thread_context.uc_link)==-1){
return -1;
}
makecontext(&(thread->thread_context),WrapperFunction, 2, start_routine,arg);
//Add Link to Queue
return(PushBack_Queue(thread_dlink,schedule_queue));
}
void Wait ()
{
do
{
BlockSignals ();
if (cullProcess)
{
cullProcess = 0;
SendCommandLine ("cull");
cin.clear ();
cout << endl;
}
else if (commandHandled)
{
commandHandled = 0;
break;
}
UnblockSignals ();
} while (1);
return;
}
static BOOL open_sockets(BOOL isdaemon, int port)
{
/*
* The sockets opened here will be used to receive broadcast
* packets *only*. Interface specific sockets are opened in
* make_subnet() in namedbsubnet.c. Thus we bind to the
* address "0.0.0.0". The parameter 'socket address' is
* now deprecated.
*/
if ( isdaemon )
ClientNMB = open_socket_in(SOCK_DGRAM, port,
0, interpret_addr(lp_socket_address()),
True);
else
ClientNMB = 0;
ClientDGRAM = open_socket_in(SOCK_DGRAM, DGRAM_PORT,
3, interpret_addr(lp_socket_address()),
True);
if ( ClientNMB == -1 )
return( False );
#ifndef _XBOX
/* we are never interested in SIGPIPE */
BlockSignals(True,SIGPIPE);
#endif
set_socket_options( ClientNMB, "SO_BROADCAST" );
set_socket_options( ClientDGRAM, "SO_BROADCAST" );
/* Ensure we're non-blocking. */
set_blocking( ClientNMB, False);
set_blocking( ClientDGRAM, False);
DEBUG( 3, ( "open_sockets: Broadcast sockets opened.\n" ) );
return( True );
}
NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context)
{
NET_API_STATUS ret;
TALLOC_CTX *frame;
if (stat_ctx && libnetapi_initialized) {
*context = stat_ctx;
return NET_API_STATUS_SUCCESS;
}
#if 0
talloc_enable_leak_report();
#endif
frame = talloc_stackframe();
/* Case tables must be loaded before any string comparisons occour */
load_case_tables_library();
/* When libnetapi is invoked from an application, it does not
* want to be swamped with level 10 debug messages, even if
* this has been set for the server in smb.conf */
lp_set_cmdline("log level", "0");
setup_logging("libnetapi", DEBUG_STDERR);
if (!lp_load(get_dyn_CONFIGFILE(), true, false, false, true)) {
TALLOC_FREE(frame);
fprintf(stderr, "error loading %s\n", get_dyn_CONFIGFILE() );
return W_ERROR_V(WERR_GENERAL_FAILURE);
}
init_names();
load_interfaces();
reopen_logs();
BlockSignals(True, SIGPIPE);
ret = libnetapi_net_init(context);
TALLOC_FREE(frame);
return ret;
}
static bool open_sockets(bool isdaemon, int port)
{
struct sockaddr_storage ss;
const char *sock_addr = lp_socket_address();
/*
* The sockets opened here will be used to receive broadcast
* packets *only*. Interface specific sockets are opened in
* make_subnet() in namedbsubnet.c. Thus we bind to the
* address "0.0.0.0". The parameter 'socket address' is
* now deprecated.
*/
if (!interpret_string_addr(&ss, sock_addr,
AI_NUMERICHOST|AI_PASSIVE)) {
DEBUG(0,("open_sockets: unable to get socket address "
"from string %s", sock_addr));
return false;
}
if (ss.ss_family != AF_INET) {
DEBUG(0,("open_sockets: unable to use IPv6 socket"
"%s in nmbd\n",
sock_addr));
return false;
}
if (isdaemon) {
ClientNMB = open_socket_in(SOCK_DGRAM, port,
0, &ss,
true);
} else {
ClientNMB = 0;
}
if (ClientNMB == -1) {
return false;
}
ClientDGRAM = open_socket_in(SOCK_DGRAM, DGRAM_PORT,
3, &ss,
true);
if (ClientDGRAM == -1) {
if (ClientNMB != 0) {
close(ClientNMB);
}
return false;
}
/* we are never interested in SIGPIPE */
BlockSignals(True,SIGPIPE);
set_socket_options( ClientNMB, "SO_BROADCAST" );
set_socket_options( ClientDGRAM, "SO_BROADCAST" );
/* Ensure we're non-blocking. */
set_blocking( ClientNMB, False);
set_blocking( ClientDGRAM, False);
DEBUG( 3, ( "open_sockets: Broadcast sockets opened.\n" ) );
return( True );
}
/*
connect to a share - used when a tree_connect operation comes
in. For a disk based backend we needs to ensure that the base
directory exists (tho it doesn't need to be accessible by the user,
that comes later)
*/
static NTSTATUS pvfs_connect(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_tcon* tcon)
{
struct pvfs_state *pvfs;
struct stat st;
char *base_directory;
NTSTATUS status;
const char *sharename;
switch (tcon->generic.level) {
case RAW_TCON_TCON:
sharename = tcon->tcon.in.service;
break;
case RAW_TCON_TCONX:
sharename = tcon->tconx.in.path;
break;
case RAW_TCON_SMB2:
sharename = tcon->smb2.in.path;
break;
default:
return NT_STATUS_INVALID_LEVEL;
}
if (strncmp(sharename, "\\\\", 2) == 0) {
char *p = strchr(sharename+2, '\\');
if (p) {
sharename = p + 1;
}
}
/*
* TODO: call this from ntvfs_posix_init()
* but currently we don't have a lp_ctx there
*/
status = pvfs_acl_init();
NT_STATUS_NOT_OK_RETURN(status);
pvfs = talloc_zero(ntvfs, struct pvfs_state);
NT_STATUS_HAVE_NO_MEMORY(pvfs);
/* for simplicity of path construction, remove any trailing slash now */
base_directory = talloc_strdup(pvfs, share_string_option(ntvfs->ctx->config, SHARE_PATH, ""));
NT_STATUS_HAVE_NO_MEMORY(base_directory);
if (strcmp(base_directory, "/") != 0) {
trim_string(base_directory, NULL, "/");
}
pvfs->ntvfs = ntvfs;
pvfs->base_directory = base_directory;
/* the directory must exist. Note that we deliberately don't
check that it is readable */
if (stat(pvfs->base_directory, &st) != 0 || !S_ISDIR(st.st_mode)) {
DEBUG(0,("pvfs_connect: '%s' is not a directory, when connecting to [%s]\n",
pvfs->base_directory, sharename));
return NT_STATUS_BAD_NETWORK_NAME;
}
ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
if (tcon->generic.level == RAW_TCON_TCONX) {
tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
}
ntvfs->private_data = pvfs;
pvfs->brl_context = brlock_init(pvfs,
pvfs->ntvfs->ctx->server_id,
pvfs->ntvfs->ctx->lp_ctx,
pvfs->ntvfs->ctx->msg_ctx);
if (pvfs->brl_context == NULL) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
pvfs->odb_context = odb_init(pvfs, pvfs->ntvfs->ctx);
if (pvfs->odb_context == NULL) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
/* allow this to be NULL - we just disable change notify */
pvfs->notify_context = notify_init(pvfs,
pvfs->ntvfs->ctx->server_id,
pvfs->ntvfs->ctx->msg_ctx,
pvfs->ntvfs->ctx->lp_ctx,
pvfs->ntvfs->ctx->event_ctx,
pvfs->ntvfs->ctx->config);
pvfs->wbc_ctx = wbc_init(pvfs,
pvfs->ntvfs->ctx->msg_ctx,
pvfs->ntvfs->ctx->event_ctx);
if (pvfs->wbc_ctx == NULL) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
/* allocate the search handle -> ptr tree */
pvfs->search.idtree = idr_init(pvfs);
NT_STATUS_HAVE_NO_MEMORY(pvfs->search.idtree);
status = pvfs_mangle_init(pvfs);
NT_STATUS_NOT_OK_RETURN(status);
pvfs_setup_options(pvfs);
talloc_set_destructor(pvfs, pvfs_state_destructor);
#ifdef SIGXFSZ
/* who had the stupid idea to generate a signal on a large
file write instead of just failing it!? */
BlockSignals(true, SIGXFSZ);
#endif
return NT_STATUS_OK;
}
int main(int argc,const char *argv[])
{
/* shall I run as a daemon */
bool is_daemon = false;
bool interactive = false;
bool Fork = true;
bool no_process_group = false;
bool log_stdout = false;
char *ports = NULL;
char *profile_level = NULL;
int opt;
poptContext pc;
bool print_build_options = False;
enum {
OPT_DAEMON = 1000,
OPT_INTERACTIVE,
OPT_FORK,
OPT_NO_PROCESS_GROUP,
OPT_LOG_STDOUT
};
struct poptOption long_options[] = {
POPT_AUTOHELP
{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)" },
{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)"},
{"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools, etc.)" },
{"no-process-group", '\0', POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
{"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
{"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
{"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
POPT_COMMON_SAMBA
POPT_COMMON_DYNCONFIG
POPT_TABLEEND
};
struct smbd_parent_context *parent = NULL;
TALLOC_CTX *frame;
NTSTATUS status;
uint64_t unique_id;
struct tevent_context *ev_ctx;
struct messaging_context *msg_ctx;
/*
* Do this before any other talloc operation
*/
talloc_enable_null_tracking();
frame = talloc_stackframe();
setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
load_case_tables();
smbd_init_globals();
TimeInit();
#ifdef HAVE_SET_AUTH_PARAMETERS
set_auth_parameters(argc,argv);
#endif
pc = poptGetContext("smbd", argc, argv, long_options, 0);
while((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_DAEMON:
is_daemon = true;
break;
case OPT_INTERACTIVE:
interactive = true;
break;
case OPT_FORK:
Fork = false;
break;
case OPT_NO_PROCESS_GROUP:
no_process_group = true;
break;
case OPT_LOG_STDOUT:
log_stdout = true;
break;
case 'b':
print_build_options = True;
break;
default:
d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
poptBadOption(pc, 0), poptStrerror(opt));
poptPrintUsage(pc, stderr, 0);
exit(1);
}
}
poptFreeContext(pc);
if (interactive) {
Fork = False;
log_stdout = True;
}
if (log_stdout) {
setup_logging(argv[0], DEBUG_STDOUT);
} else {
setup_logging(argv[0], DEBUG_FILE);
}
if (print_build_options) {
build_options(True); /* Display output to screen as well as debug */
exit(0);
}
#ifdef HAVE_SETLUID
/* needed for SecureWare on SCO */
setluid(0);
#endif
set_remote_machine_name("smbd", False);
if (interactive && (DEBUGLEVEL >= 9)) {
talloc_enable_leak_report();
}
if (log_stdout && Fork) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
/* we want to re-seed early to prevent time delays causing
client problems at a later date. (tridge) */
generate_random_buffer(NULL, 0);
/* get initial effective uid and gid */
sec_init();
/* make absolutely sure we run as root - to handle cases where people
are crazy enough to have it setuid */
gain_root_privilege();
gain_root_group_privilege();
fault_setup();
dump_core_setup("smbd", lp_logfile());
/* we are never interested in SIGPIPE */
BlockSignals(True,SIGPIPE);
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(True,SIGFPE);
#endif
#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 recieve them. */
BlockSignals(False, SIGHUP);
BlockSignals(False, SIGUSR1);
BlockSignals(False, SIGTERM);
/* Ensure we leave no zombies until we
* correctly set up child handling below. */
CatchChild();
/* we want total control over the permissions on created files,
so set our umask to 0 */
umask(0);
reopen_logs();
DEBUG(0,("smbd version %s started.\n", samba_version_string()));
DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
(int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
/* Output the build options to the debug log */
build_options(False);
if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
exit(1);
}
if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
exit(1);
}
/* Init the security context and global current_user */
init_sec_ctx();
/*
* Initialize the event context. The event context needs to be
* initialized before the messaging context, cause the messaging
* context holds an event context.
* FIXME: This should be s3_tevent_context_init()
*/
ev_ctx = server_event_context();
if (ev_ctx == NULL) {
exit(1);
}
/*
* Init the messaging context
* FIXME: This should only call messaging_init()
*/
msg_ctx = server_messaging_context();
if (msg_ctx == NULL) {
exit(1);
}
/*
* Reloading of the printers will not work here as we don't have a
* server info and rpc services set up. It will be called later.
*/
if (!reload_services(NULL, -1, False)) {
exit(1);
}
/* ...NOTE... Log files are working from this point! */
DEBUG(3,("loaded services\n"));
init_structs();
#ifdef WITH_PROFILE
if (!profile_setup(msg_ctx, False)) {
DEBUG(0,("ERROR: failed to setup profiling\n"));
return -1;
}
if (profile_level != NULL) {
int pl = atoi(profile_level);
struct server_id src;
DEBUG(1, ("setting profiling level: %s\n",profile_level));
src.pid = getpid();
set_profile_level(pl, src);
}
#endif
if (!is_daemon && !is_a_socket(0)) {
if (!interactive)
DEBUG(0,("standard input is not a socket, assuming -D option\n"));
/*
* Setting is_daemon here prevents us from eventually calling
* the open_sockets_inetd()
*/
is_daemon = True;
}
if (is_daemon && !interactive) {
DEBUG( 3, ( "Becoming a daemon.\n" ) );
become_daemon(Fork, no_process_group, log_stdout);
}
generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
set_my_unique_id(unique_id);
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (interactive && !no_process_group)
setpgid( (pid_t)0, (pid_t)0);
#endif
if (!directory_exist(lp_lockdir()))
mkdir(lp_lockdir(), 0755);
if (is_daemon)
pidfile_create("smbd");
status = reinit_after_fork(msg_ctx,
ev_ctx,
procid_self(), false);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("reinit_after_fork() failed\n"));
exit(1);
}
smbd_server_conn->msg_ctx = msg_ctx;
smbd_setup_sig_term_handler();
smbd_setup_sig_hup_handler(ev_ctx,
msg_ctx);
/* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
if (smbd_memcache() == NULL) {
exit(1);
}
memcache_set_global(smbd_memcache());
/* Initialise the password backed before the global_sam_sid
to ensure that we fetch from ldap before we make a domain sid up */
if(!initialize_password_db(false, ev_ctx))
exit(1);
if (!secrets_init()) {
DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
exit(1);
}
if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
struct loadparm_context *lp_ctx = loadparm_init_s3(NULL, loadparm_s3_context());
if (!open_schannel_session_store(NULL, lp_ctx)) {
DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
exit(1);
}
TALLOC_FREE(lp_ctx);
}
if(!get_global_sam_sid()) {
DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
exit(1);
}
if (!sessionid_init()) {
exit(1);
}
if (!connections_init(True))
exit(1);
if (!locking_init())
exit(1);
if (!messaging_tdb_parent_init(ev_ctx)) {
exit(1);
}
if (!notify_internal_parent_init(ev_ctx)) {
exit(1);
}
if (!serverid_parent_init(ev_ctx)) {
exit(1);
}
if (!W_ERROR_IS_OK(registry_init_full()))
exit(1);
/* Open the share_info.tdb here, so we don't have to open
after the fork on every single connection. This is a small
performance improvment and reduces the total number of system
fds used. */
if (!share_info_db_init()) {
DEBUG(0,("ERROR: failed to load share info db.\n"));
exit(1);
}
status = init_system_info();
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
nt_errstr(status)));
return -1;
}
if (!init_guest_info()) {
DEBUG(0,("ERROR: failed to setup guest info.\n"));
return -1;
}
if (!file_init(smbd_server_conn)) {
DEBUG(0, ("ERROR: file_init failed\n"));
return -1;
}
/* This MUST be done before start_epmd() because otherwise
* start_epmd() forks and races against dcesrv_ep_setup() to
* call directory_create_or_exist() */
if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
DEBUG(0, ("Failed to create pipe directory %s - %s\n",
lp_ncalrpc_dir(), strerror(errno)));
return -1;
}
if (is_daemon && !interactive) {
if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
start_epmd(ev_ctx, msg_ctx);
}
}
if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
exit(1);
}
/* only start other daemons if we are running as a daemon
* -- bad things will happen if smbd is launched via inetd
* and we fork a copy of ourselves here */
if (is_daemon && !interactive) {
if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
start_lsasd(ev_ctx, msg_ctx);
}
if (!_lp_disable_spoolss() &&
(rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);
if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
exit(1);
}
}
} else if (!_lp_disable_spoolss() &&
(rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
exit(1);
}
}
if (!is_daemon) {
/* inetd mode */
TALLOC_FREE(frame);
/* Started from inetd. fd 0 is the socket. */
/* We will abort gracefully when the client or remote system
goes away */
smbd_server_conn->sock = dup(0);
/* close our standard file descriptors */
if (!debug_get_output_is_stdout()) {
close_low_fds(False); /* Don't close stderr */
}
#ifdef HAVE_ATEXIT
atexit(killkids);
#endif
/* Stop zombies */
smbd_setup_sig_chld_handler(ev_ctx);
smbd_process(ev_ctx, smbd_server_conn);
exit_server_cleanly(NULL);
return(0);
}
parent = talloc_zero(ev_ctx, struct smbd_parent_context);
if (!parent) {
exit_server("talloc(struct smbd_parent_context) failed");
}
parent->interactive = interactive;
if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
exit_server("open_sockets_smbd() failed");
/* do a printer update now that all messaging has been set up,
* before we allow clients to start connecting */
printing_subsystem_update(ev_ctx, msg_ctx, false);
TALLOC_FREE(frame);
/* make sure we always have a valid stackframe */
frame = talloc_stackframe();
smbd_parent_loop(ev_ctx, parent);
exit_server_cleanly(NULL);
TALLOC_FREE(frame);
return(0);
}
int main(int argc, const char *argv[])
{
static bool is_daemon;
static bool opt_interactive;
static bool Fork = true;
static bool no_process_group;
static bool log_stdout;
poptContext pc;
char *p_lmhosts = NULL;
int opt;
enum {
OPT_DAEMON = 1000,
OPT_INTERACTIVE,
OPT_FORK,
OPT_NO_PROCESS_GROUP,
OPT_LOG_STDOUT
};
struct poptOption long_options[] = {
POPT_AUTOHELP
{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon(default)" },
{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)" },
{"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools & etc)" },
{"no-process-group", 0, POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
{"hosts", 'H', POPT_ARG_STRING, &p_lmhosts, 0, "Load a netbios hosts file"},
{"port", 'p', POPT_ARG_INT, &global_nmb_port, 0, "Listen on the specified port" },
POPT_COMMON_SAMBA
{ NULL }
};
TALLOC_CTX *frame;
NTSTATUS status;
/*
* Do this before any other talloc operation
*/
talloc_enable_null_tracking();
frame = talloc_stackframe();
setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
load_case_tables();
global_nmb_port = NMB_PORT;
pc = poptGetContext("nmbd", argc, argv, long_options, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_DAEMON:
is_daemon = true;
break;
case OPT_INTERACTIVE:
opt_interactive = true;
break;
case OPT_FORK:
Fork = false;
break;
case OPT_NO_PROCESS_GROUP:
no_process_group = true;
break;
case OPT_LOG_STDOUT:
log_stdout = true;
break;
default:
d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
poptBadOption(pc, 0), poptStrerror(opt));
poptPrintUsage(pc, stderr, 0);
exit(1);
}
};
poptFreeContext(pc);
global_in_nmbd = true;
StartupTime = time(NULL);
sys_srandom(time(NULL) ^ sys_getpid());
if (!override_logfile) {
char *lfile = NULL;
if (asprintf(&lfile, "%s/log.nmbd", get_dyn_LOGFILEBASE()) < 0) {
exit(1);
}
lp_set_logfile(lfile);
SAFE_FREE(lfile);
}
fault_setup();
dump_core_setup("nmbd", lp_logfile());
/* 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, SIGUSR1);
BlockSignals(False, SIGTERM);
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(True,SIGFPE);
#endif
/* We no longer use USR2... */
#if defined(SIGUSR2)
BlockSignals(True, SIGUSR2);
#endif
if ( opt_interactive ) {
Fork = False;
log_stdout = True;
}
if ( log_stdout && Fork ) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
if (log_stdout) {
setup_logging(argv[0], DEBUG_STDOUT);
} else {
setup_logging( argv[0], DEBUG_FILE);
}
reopen_logs();
DEBUG(0,("nmbd version %s started.\n", samba_version_string()));
DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
exit(1);
}
if (nmbd_messaging_context() == NULL) {
return 1;
}
if ( !reload_nmbd_services(False) )
return(-1);
if(!init_names())
return -1;
reload_nmbd_services( True );
if (strequal(lp_workgroup(),"*")) {
DEBUG(0,("ERROR: a workgroup name of * is no longer supported\n"));
exit(1);
}
set_samba_nb_type();
if (!is_daemon && !is_a_socket(0)) {
DEBUG(0,("standard input is not a socket, assuming -D option\n"));
is_daemon = True;
}
if (is_daemon && !opt_interactive) {
DEBUG( 2, ( "Becoming a daemon.\n" ) );
become_daemon(Fork, no_process_group, log_stdout);
}
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (opt_interactive && !no_process_group)
setpgid( (pid_t)0, (pid_t)0 );
#endif
if (nmbd_messaging_context() == NULL) {
return 1;
}
#ifndef SYNC_DNS
/* Setup the async dns. We do it here so it doesn't have all the other
stuff initialised and thus chewing memory and sockets */
if(lp_we_are_a_wins_server() && lp_dns_proxy()) {
start_async_dns();
}
#endif
if (!directory_exist(lp_lockdir())) {
mkdir(lp_lockdir(), 0755);
}
pidfile_create("nmbd");
status = reinit_after_fork(nmbd_messaging_context(),
nmbd_event_context(),
procid_self(), false);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("reinit_after_fork() failed\n"));
exit(1);
}
if (!nmbd_setup_sig_term_handler())
exit(1);
if (!nmbd_setup_sig_hup_handler())
exit(1);
/* get broadcast messages */
if (!serverid_register(procid_self(),
FLAG_MSG_GENERAL |
FLAG_MSG_NMBD |
FLAG_MSG_DBWRAP)) {
DEBUG(1, ("Could not register myself in serverid.tdb\n"));
exit(1);
}
messaging_register(nmbd_messaging_context(), NULL,
MSG_FORCE_ELECTION, nmbd_message_election);
#if 0
/* Until winsrepl is done. */
messaging_register(nmbd_messaging_context(), NULL,
MSG_WINS_NEW_ENTRY, nmbd_wins_new_entry);
#endif
messaging_register(nmbd_messaging_context(), NULL,
MSG_SHUTDOWN, nmbd_terminate);
messaging_register(nmbd_messaging_context(), NULL,
MSG_SMB_CONF_UPDATED, msg_reload_nmbd_services);
messaging_register(nmbd_messaging_context(), NULL,
MSG_SEND_PACKET, msg_nmbd_send_packet);
TimeInit();
DEBUG( 3, ( "Opening sockets %d\n", global_nmb_port ) );
if ( !open_sockets( is_daemon, global_nmb_port ) ) {
kill_async_dns_child();
return 1;
}
/* Determine all the IP addresses we have. */
load_interfaces();
/* Create an nmbd subnet record for each of the above. */
if( False == create_subnets() ) {
DEBUG(0,("ERROR: Failed when creating subnet lists. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* Load in any static local names. */
if (p_lmhosts) {
set_dyn_LMHOSTSFILE(p_lmhosts);
}
load_lmhosts_file(get_dyn_LMHOSTSFILE());
DEBUG(3,("Loaded hosts file %s\n", get_dyn_LMHOSTSFILE()));
/* If we are acting as a WINS server, initialise data structures. */
if( !initialise_wins() ) {
DEBUG( 0, ( "nmbd: Failed when initialising WINS server.\n" ) );
kill_async_dns_child();
exit(1);
}
/*
* Register nmbd primary workgroup and nmbd names on all
* the broadcast subnets, and on the WINS server (if specified).
* Also initiate the startup of our primary workgroup (start
* elections if we are setup as being able to be a local
* master browser.
*/
if( False == register_my_workgroup_and_names() ) {
DEBUG(0,("ERROR: Failed when creating my my workgroup. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
if (!initialize_nmbd_proxy_logon()) {
DEBUG(0,("ERROR: Failed setup nmbd_proxy_logon.\n"));
kill_async_dns_child();
exit(1);
}
if (!nmbd_init_packet_server()) {
kill_async_dns_child();
exit(1);
}
TALLOC_FREE(frame);
process();
kill_async_dns_child();
return(0);
}
/*
* Do some module- and library-wide intializations
*/
static void
SMBC_module_init(void * punused)
{
bool conf_loaded = False;
char *home = NULL;
TALLOC_CTX *frame = talloc_stackframe();
load_case_tables();
setup_logging("libsmbclient", True);
/* Here we would open the smb.conf file if needed ... */
lp_set_in_client(True);
home = getenv("HOME");
if (home) {
char *conf = NULL;
if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
if (lp_load(conf, True, False, False, True)) {
conf_loaded = True;
} else {
DEBUG(5, ("Could not load config file: %s\n",
conf));
}
SAFE_FREE(conf);
}
}
if (!conf_loaded) {
/*
* Well, if that failed, try the get_dyn_CONFIGFILE
* Which points to the standard locn, and if that
* fails, silently ignore it and use the internal
* defaults ...
*/
if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
DEBUG(5, ("Could not load config file: %s\n",
get_dyn_CONFIGFILE()));
} else if (home) {
char *conf;
/*
* We loaded the global config file. Now lets
* load user-specific modifications to the
* global config.
*/
if (asprintf(&conf,
"%s/.smb/smb.conf.append",
home) > 0) {
if (!lp_load(conf, True, False, False, False)) {
DEBUG(10,
("Could not append config file: "
"%s\n",
conf));
}
SAFE_FREE(conf);
}
}
}
load_interfaces(); /* Load the list of interfaces ... */
reopen_logs(); /* Get logging working ... */
/*
* Block SIGPIPE (from lib/util_sock.c: write())
* It is not needed and should not stop execution
*/
BlockSignals(True, SIGPIPE);
/* Create the mutex we'll use to protect initialized_ctx_count */
if (SMB_THREAD_CREATE_MUTEX("initialized_ctx_count_mutex",
initialized_ctx_count_mutex) != 0) {
smb_panic("SMBC_module_init: "
"failed to create 'initialized_ctx_count' mutex");
}
TALLOC_FREE(frame);
}
/**************************************************************************** **
main program
**************************************************************************** */
int main(int argc, const char *argv[])
{
pstring logfile;
static BOOL opt_interactive;
poptContext pc;
static char *p_lmhosts = dyn_LMHOSTSFILE;
static BOOL no_process_group = False;
struct poptOption long_options[] = {
POPT_AUTOHELP
{"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon(default)" },
{"interactive", 'i', POPT_ARG_VAL, &opt_interactive, True, "Run interactive (not a daemon)" },
{"foreground", 'F', POPT_ARG_VAL, &Fork, False, "Run daemon in foreground (for daemontools & etc)" },
{"no-process-group", 0, POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
{"hosts", 'H', POPT_ARG_STRING, &p_lmhosts, 'H', "Load a netbios hosts file"},
{"port", 'p', POPT_ARG_INT, &global_nmb_port, NMB_PORT, "Listen on the specified port" },
POPT_COMMON_SAMBA
{ NULL }
};
load_case_tables();
global_nmb_port = NMB_PORT;
pc = poptGetContext("nmbd", argc, argv, long_options, 0);
while (poptGetNextOpt(pc) != -1) {};
poptFreeContext(pc);
global_in_nmbd = True;
StartupTime = time(NULL);
sys_srandom(time(NULL) ^ sys_getpid());
if (!override_logfile) {
slprintf(logfile, sizeof(logfile)-1, "%s/log.nmbd", dyn_LOGFILEBASE);
lp_set_logfile(logfile);
}
fault_setup((void (*)(void *))fault_continue );
dump_core_setup("nmbd");
/* 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, SIGUSR1);
BlockSignals(False, SIGTERM);
CatchSignal( SIGHUP, SIGNAL_CAST sig_hup );
CatchSignal( SIGTERM, SIGNAL_CAST sig_term );
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(True,SIGFPE);
#endif
/* We no longer use USR2... */
#if defined(SIGUSR2)
BlockSignals(True, SIGUSR2);
#endif
if ( opt_interactive ) {
Fork = False;
log_stdout = True;
}
if ( log_stdout && Fork ) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
setup_logging( argv[0], log_stdout );
reopen_logs();
DEBUG( 0, ( "Netbios nameserver version %s started.\n", SAMBA_VERSION_STRING) );
DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
if ( !reload_nmbd_services(False) )
return(-1);
if(!init_names())
return -1;
reload_nmbd_services( True );
if (strequal(lp_workgroup(),"*")) {
DEBUG(0,("ERROR: a workgroup name of * is no longer supported\n"));
exit(1);
}
set_samba_nb_type();
if (!is_daemon && !is_a_socket(0)) {
DEBUG(0,("standard input is not a socket, assuming -D option\n"));
is_daemon = True;
}
if (is_daemon && !opt_interactive) {
DEBUG( 2, ( "Becoming a daemon.\n" ) );
become_daemon(Fork, no_process_group);
}
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (opt_interactive && !no_process_group)
setpgid( (pid_t)0, (pid_t)0 );
#endif
#ifndef SYNC_DNS
/* Setup the async dns. We do it here so it doesn't have all the other
stuff initialised and thus chewing memory and sockets */
if(lp_we_are_a_wins_server() && lp_dns_proxy()) {
start_async_dns();
}
#endif
if (!directory_exist(lp_lockdir(), NULL)) {
mkdir(lp_lockdir(), 0755);
}
pidfile_create("nmbd");
message_init();
message_register(MSG_FORCE_ELECTION, nmbd_message_election, NULL);
#if 0
/* Until winsrepl is done. */
message_register(MSG_WINS_NEW_ENTRY, nmbd_wins_new_entry, NULL);
#endif
message_register(MSG_SHUTDOWN, nmbd_terminate, NULL);
message_register(MSG_SMB_CONF_UPDATED, msg_reload_nmbd_services, NULL);
message_register(MSG_SEND_PACKET, msg_nmbd_send_packet, NULL);
TimeInit();
DEBUG( 3, ( "Opening sockets %d\n", global_nmb_port ) );
if ( !open_sockets( is_daemon, global_nmb_port ) ) {
kill_async_dns_child();
return 1;
}
/* Determine all the IP addresses we have. */
load_interfaces();
/* Create an nmbd subnet record for each of the above. */
if( False == create_subnets() ) {
DEBUG(0,("ERROR: Failed when creating subnet lists. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* Load in any static local names. */
load_lmhosts_file(p_lmhosts);
DEBUG(3,("Loaded hosts file %s\n", p_lmhosts));
/* If we are acting as a WINS server, initialise data structures. */
if( !initialise_wins() ) {
DEBUG( 0, ( "nmbd: Failed when initialising WINS server.\n" ) );
kill_async_dns_child();
exit(1);
}
/*
* Register nmbd primary workgroup and nmbd names on all
* the broadcast subnets, and on the WINS server (if specified).
* Also initiate the startup of our primary workgroup (start
* elections if we are setup as being able to be a local
* master browser.
*/
if( False == register_my_workgroup_and_names() ) {
DEBUG(0,("ERROR: Failed when creating my my workgroup. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* We can only take signals in the select. */
BlockSignals( True, SIGTERM );
process();
if (dbf)
x_fclose(dbf);
kill_async_dns_child();
return(0);
}
