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-rw-r--r--source4/smbd/server.c149
1 files changed, 97 insertions, 52 deletions
diff --git a/source4/smbd/server.c b/source4/smbd/server.c
index b8545b89c72..4242fe6b7c7 100644
--- a/source4/smbd/server.c
+++ b/source4/smbd/server.c
@@ -1,4 +1,4 @@
-/*
+/*
Unix SMB/CIFS implementation.
Main SMB server routines
@@ -7,17 +7,17 @@
Copyright (C) Martin Pool 2002
Copyright (C) Jelmer Vernooij 2002
Copyright (C) James J Myers 2003 <myersjj@samba.org>
-
+
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/>.
*/
@@ -75,7 +75,7 @@ static void recursive_delete(const char *path)
continue;
}
if (unlink(fname) != 0) {
- DEBUG(0,("Unabled to delete '%s' - %s\n",
+ DEBUG(0,("Unabled to delete '%s' - %s\n",
fname, strerror(errno)));
smb_panic("unable to cleanup tmp files");
}
@@ -89,7 +89,7 @@ static void recursive_delete(const char *path)
TDB_CLEAR_IF_FIRST. Unfortunately TDB_CLEAR_IF_FIRST is not
efficient on unix systems due to the lack of scaling of the byte
range locking system. So instead of putting the burden on tdb to
- cleanup tmp files, this function deletes them.
+ cleanup tmp files, this function deletes them.
*/
static void cleanup_tmp_files(struct loadparm_context *lp_ctx)
{
@@ -143,7 +143,8 @@ static void setup_signals(void)
#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. */
+ * these signals masked, we will have problems,
+ * as we won't receive them. */
BlockSignals(false, SIGHUP);
BlockSignals(false, SIGTERM);
@@ -154,16 +155,20 @@ static void setup_signals(void)
/*
handle io on stdin
*/
-static void server_stdin_handler(struct tevent_context *event_ctx, struct tevent_fd *fde,
- uint16_t flags, void *private_data)
+static void server_stdin_handler(struct tevent_context *event_ctx,
+ struct tevent_fd *fde,
+ uint16_t flags,
+ void *private_data)
{
const char *binary_name = (const char *)private_data;
uint8_t c;
if (read(0, &c, 1) == 0) {
- DEBUG(0,("%s: EOF on stdin - PID %d terminating\n", binary_name, (int)getpid()));
+ DEBUG(0,("%s: EOF on stdin - PID %d terminating\n",
+ binary_name, (int)getpid()));
#if HAVE_GETPGRP
if (getpgrp() == getpid()) {
- DEBUG(0,("Sending SIGTERM from pid %d\n", (int)getpid()));
+ DEBUG(0,("Sending SIGTERM from pid %d\n",
+ (int)getpid()));
kill(-getpgrp(), SIGTERM);
}
#endif
@@ -174,13 +179,17 @@ static void server_stdin_handler(struct tevent_context *event_ctx, struct tevent
/*
die if the user selected maximum runtime is exceeded
*/
-_NORETURN_ static void max_runtime_handler(struct tevent_context *ev,
- struct tevent_timer *te,
+_NORETURN_ static void max_runtime_handler(struct tevent_context *ev,
+ struct tevent_timer *te,
struct timeval t, void *private_data)
{
const char *binary_name = (const char *)private_data;
- DEBUG(0,("%s: maximum runtime exceeded - terminating PID %d at %llu, current ts: %llu\n",
- binary_name, (int)getpid(), (unsigned long long)t.tv_sec, (unsigned long long) time(NULL)));
+ DEBUG(0,("%s: maximum runtime exceeded - "
+ "terminating PID %d at %llu, current ts: %llu\n",
+ binary_name,
+ (int)getpid(),
+ (unsigned long long)t.tv_sec,
+ (unsigned long long)time(NULL)));
exit(0);
}
@@ -193,7 +202,11 @@ static void prime_ldb_databases(struct tevent_context *event_ctx)
TALLOC_CTX *db_context;
db_context = talloc_new(event_ctx);
- samdb_connect(db_context, event_ctx, cmdline_lp_ctx, system_session(cmdline_lp_ctx), 0);
+ samdb_connect(db_context,
+ event_ctx,
+ cmdline_lp_ctx,
+ system_session(cmdline_lp_ctx),
+ 0);
privilege_connect(db_context, cmdline_lp_ctx);
/* we deliberately leave these open, which allows them to be
@@ -204,7 +217,7 @@ static void prime_ldb_databases(struct tevent_context *event_ctx)
/*
called when a fatal condition occurs in a child task
*/
-static NTSTATUS samba_terminate(struct irpc_message *msg,
+static NTSTATUS samba_terminate(struct irpc_message *msg,
struct samba_terminate *r)
{
DEBUG(0,("samba_terminate of %d: %s\n",
@@ -215,7 +228,7 @@ static NTSTATUS samba_terminate(struct irpc_message *msg,
/*
setup messaging for the top level samba (parent) task
*/
-static NTSTATUS setup_parent_messaging(struct tevent_context *event_ctx,
+static NTSTATUS setup_parent_messaging(struct tevent_context *event_ctx,
struct loadparm_context *lp_ctx)
{
struct imessaging_context *msg;
@@ -277,7 +290,9 @@ static void show_build(void)
printf("Paths:\n");
for (i=0; config_options[i].name; i++) {
- printf(" %s: %s\n", config_options[i].name, config_options[i].value);
+ printf(" %s: %s\n",
+ config_options[i].name,
+ config_options[i].value);
}
exit(0);
@@ -292,7 +307,9 @@ static int event_ctx_destructor(struct tevent_context *event_ctx)
/*
main server.
*/
-static int binary_smbd_main(const char *binary_name, int argc, const char *argv[])
+static int binary_smbd_main(const char *binary_name,
+ int argc,
+ const char *argv[])
{
bool opt_daemon = false;
bool opt_interactive = false;
@@ -320,11 +337,13 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
"Become a daemon (default)", NULL },
{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE,
"Run interactive (not a daemon)", NULL},
- {"model", 'M', POPT_ARG_STRING, NULL, OPT_PROCESS_MODEL,
+ {"model", 'M', POPT_ARG_STRING, NULL, OPT_PROCESS_MODEL,
"Select process model", "MODEL"},
- {"maximum-runtime",0, POPT_ARG_INT, &max_runtime, 0,
- "set maximum runtime of the server process, till autotermination", "seconds"},
- {"show-build", 'b', POPT_ARG_NONE, NULL, OPT_SHOW_BUILD, "show build info", NULL },
+ {"maximum-runtime",0, POPT_ARG_INT, &max_runtime, 0,
+ "set maximum runtime of the server process, "
+ "till autotermination", "seconds"},
+ {"show-build", 'b', POPT_ARG_NONE, NULL, OPT_SHOW_BUILD,
+ "show build info", NULL },
POPT_COMMON_SAMBA
POPT_COMMON_VERSION
{ NULL }
@@ -355,7 +374,8 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
if (opt_daemon && opt_interactive) {
fprintf(stderr,"\nERROR: "
- "Option -i|--interactive is not allowed together with -D|--daemon\n\n");
+ "Option -i|--interactive is "
+ "not allowed together with -D|--daemon\n\n");
poptPrintUsage(pc, stderr, 0);
return 1;
} else if (!opt_interactive) {
@@ -374,13 +394,22 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
so set our umask to 0 */
umask(0);
- DEBUG(0,("%s version %s started.\n", binary_name, SAMBA_VERSION_STRING));
- DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2017\n"));
-
- if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) {
- DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
- DEBUGADD(0,("sizeof(uint16_t) = %u, sizeof(uint32_t) %u, sizeof(uint64_t) = %u\n",
- (unsigned int)sizeof(uint16_t), (unsigned int)sizeof(uint32_t), (unsigned int)sizeof(uint64_t)));
+ DEBUG(0,("%s version %s started.\n",
+ binary_name,
+ SAMBA_VERSION_STRING));
+ DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team"
+ " 1992-2017\n"));
+
+ if (sizeof(uint16_t) < 2 ||
+ sizeof(uint32_t) < 4 ||
+ sizeof(uint64_t) < 8) {
+ DEBUG(0,("ERROR: Samba is not configured correctly "
+ "for the word size on your machine\n"));
+ DEBUGADD(0,("sizeof(uint16_t) = %u, sizeof(uint32_t) %u, "
+ "sizeof(uint64_t) = %u\n",
+ (unsigned int)sizeof(uint16_t),
+ (unsigned int)sizeof(uint32_t),
+ (unsigned int)sizeof(uint64_t)));
return 1;
}
@@ -398,19 +427,22 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
pidfile_create(lpcfg_pid_directory(cmdline_lp_ctx), binary_name);
if (lpcfg_server_role(cmdline_lp_ctx) == ROLE_ACTIVE_DIRECTORY_DC) {
- if (!open_schannel_session_store(talloc_autofree_context(), cmdline_lp_ctx)) {
- exit_daemon("Samba cannot open schannel store for secured NETLOGON operations.", EACCES);
+ if (!open_schannel_session_store(talloc_autofree_context(),
+ cmdline_lp_ctx)) {
+ exit_daemon("Samba cannot open schannel store "
+ "for secured NETLOGON operations.", EACCES);
}
}
/* make sure we won't go through nss_winbind */
if (!winbind_off()) {
- exit_daemon("Samba failed to disable recusive winbindd calls.", EACCES);
+ exit_daemon("Samba failed to disable recusive "
+ "winbindd calls.", EACCES);
}
gensec_init(); /* FIXME: */
- process_model_init(cmdline_lp_ctx);
+ process_model_init(cmdline_lp_ctx);
shared_init = load_samba_modules(NULL, "service");
@@ -418,7 +450,7 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
run_init_functions(shared_init);
talloc_free(shared_init);
-
+
/* the event context is the top level structure in smbd. Everything else
should hang off that */
event_ctx = s4_event_context_init(talloc_autofree_context());
@@ -443,7 +475,8 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
#endif
if (fstat(0, &st) != 0) {
- exit_daemon("Samba failed to set standard input handler", ENOTTY);
+ exit_daemon("Samba failed to set standard input handler",
+ ENOTTY);
}
if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) {
@@ -456,9 +489,10 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
}
if (max_runtime) {
- DEBUG(0,("%s PID %d was called with maxruntime %d - current ts %llu\n",
- binary_name, (int)getpid(),
- max_runtime, (unsigned long long) time(NULL)));
+ DEBUG(0,("%s PID %d was called with maxruntime %d - "
+ "current ts %llu\n",
+ binary_name, (int)getpid(),
+ max_runtime, (unsigned long long) time(NULL)));
tevent_add_timer(event_ctx, event_ctx,
timeval_current_ofs(max_runtime, 0),
max_runtime_handler,
@@ -466,29 +500,40 @@ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[
}
if (lpcfg_server_role(cmdline_lp_ctx) != ROLE_ACTIVE_DIRECTORY_DC
- && !lpcfg_parm_bool(cmdline_lp_ctx, NULL, "server role check", "inhibit", false)
- && !str_list_check_ci(lpcfg_server_services(cmdline_lp_ctx), "smb")
- && !str_list_check_ci(lpcfg_dcerpc_endpoint_servers(cmdline_lp_ctx), "remote")
- && !str_list_check_ci(lpcfg_dcerpc_endpoint_servers(cmdline_lp_ctx), "mapiproxy")) {
- DEBUG(0, ("At this time the 'samba' binary should only be used for either:\n"));
- DEBUGADD(0, ("'server role = active directory domain controller' or to access the ntvfs file server with 'server services = +smb' or the rpc proxy with 'dcerpc endpoint servers = remote'\n"));
- DEBUGADD(0, ("You should start smbd/nmbd/winbindd instead for domain member and standalone file server tasks\n"));
- exit_daemon("Samba detected misconfigured 'server role' and exited. Check logs for details", EINVAL);
+ && !lpcfg_parm_bool(cmdline_lp_ctx, NULL,
+ "server role check", "inhibit", false)
+ && !str_list_check_ci(lpcfg_server_services(cmdline_lp_ctx), "smb")
+ && !str_list_check_ci(lpcfg_dcerpc_endpoint_servers(cmdline_lp_ctx),
+ "remote")
+ && !str_list_check_ci(lpcfg_dcerpc_endpoint_servers(cmdline_lp_ctx),
+ "mapiproxy")) {
+ DEBUG(0, ("At this time the 'samba' binary should only be used "
+ "for either:\n"));
+ DEBUGADD(0, ("'server role = active directory domain "
+ "controller' or to access the ntvfs file server "
+ "with 'server services = +smb' or the rpc proxy "
+ "with 'dcerpc endpoint servers = remote'\n"));
+ DEBUGADD(0, ("You should start smbd/nmbd/winbindd instead for "
+ "domain member and standalone file server tasks\n"));
+ exit_daemon("Samba detected misconfigured 'server role' "
+ "and exited. Check logs for details", EINVAL);
};
prime_ldb_databases(event_ctx);
status = setup_parent_messaging(event_ctx, cmdline_lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
- exit_daemon("Samba failed to setup parent messaging", NT_STATUS_V(status));
+ exit_daemon("Samba failed to setup parent messaging",
+ NT_STATUS_V(status));
}
DEBUG(0,("%s: using '%s' process model\n", binary_name, model));
- status = server_service_startup(event_ctx, cmdline_lp_ctx, model,
+ status = server_service_startup(event_ctx, cmdline_lp_ctx, model,
lpcfg_server_services(cmdline_lp_ctx));
if (!NT_STATUS_IS_OK(status)) {
- exit_daemon("Samba failed to start services", NT_STATUS_V(status));
+ exit_daemon("Samba failed to start services",
+ NT_STATUS_V(status));
}
if (opt_daemon) {
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