X-Git-Url: http://git.samba.org/samba.git/?p=tprouty%2Fsamba.git;a=blobdiff_plain;f=source%2Fnsswitch%2Fwinbindd_cm.c;h=269dab0389b976eb52db0e59ac5b8996a3114c48;hp=1aab918f69b01013eb9b5b4029598cb4111fc9d1;hb=b0132e94fc5fef936aa766fb99a306b3628e9f07;hpb=7385a076f8fd351472d37d9363304948e88f9f99
diff --git a/source/nsswitch/winbindd_cm.c b/source/nsswitch/winbindd_cm.c
index 1aab918f69..269dab0389 100644
--- a/source/nsswitch/winbindd_cm.c
+++ b/source/nsswitch/winbindd_cm.c
@@ -7,10 +7,11 @@
Copyright (C) Andrew Bartlett 2002
Copyright (C) Gerald (Jerry) Carter 2003-2005.
Copyright (C) Volker Lendecke 2004-2005
+ Copyright (C) Jeremy Allison 2006
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 2 of the License, or
+ 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,
@@ -19,8 +20,7 @@
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see .
*/
/*
@@ -64,24 +64,208 @@
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-static NTSTATUS init_dc_connection(struct winbindd_domain *domain);
+struct dc_name_ip {
+ fstring name;
+ struct in_addr ip;
+};
+
+extern struct winbindd_methods reconnect_methods;
+extern BOOL override_logfile;
+
+static NTSTATUS init_dc_connection_network(struct winbindd_domain *domain);
+static void set_dc_type_and_flags( struct winbindd_domain *domain );
+static BOOL get_dcs(TALLOC_CTX *mem_ctx, const struct winbindd_domain *domain,
+ struct dc_name_ip **dcs, int *num_dcs);
+
+/****************************************************************
+ Child failed to find DC's. Reschedule check.
+****************************************************************/
+
+static void msg_failed_to_go_online(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+ struct winbindd_domain *domain;
+ const char *domainname = (const char *)data->data;
+
+ if (data->data == NULL || data->length == 0) {
+ return;
+ }
+
+ DEBUG(5,("msg_fail_to_go_online: received for domain %s.\n", domainname));
+
+ for (domain = domain_list(); domain; domain = domain->next) {
+ if (domain->internal) {
+ continue;
+ }
+
+ if (strequal(domain->name, domainname)) {
+ if (domain->online) {
+ /* We're already online, ignore. */
+ DEBUG(5,("msg_fail_to_go_online: domain %s "
+ "already online.\n", domainname));
+ continue;
+ }
+
+ /* Reschedule the online check. */
+ set_domain_offline(domain);
+ break;
+ }
+ }
+}
+
+/****************************************************************
+ Actually cause a reconnect from a message.
+****************************************************************/
+
+static void msg_try_to_go_online(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+ struct winbindd_domain *domain;
+ const char *domainname = (const char *)data->data;
+
+ if (data->data == NULL || data->length == 0) {
+ return;
+ }
+
+ DEBUG(5,("msg_try_to_go_online: received for domain %s.\n", domainname));
+
+ for (domain = domain_list(); domain; domain = domain->next) {
+ if (domain->internal) {
+ continue;
+ }
+
+ if (strequal(domain->name, domainname)) {
+
+ if (domain->online) {
+ /* We're already online, ignore. */
+ DEBUG(5,("msg_try_to_go_online: domain %s "
+ "already online.\n", domainname));
+ continue;
+ }
+
+ /* This call takes care of setting the online
+ flag to true if we connected, or re-adding
+ the offline handler if false. Bypasses online
+ check so always does network calls. */
+
+ init_dc_connection_network(domain);
+ break;
+ }
+ }
+}
+
+/****************************************************************
+ Fork a child to try and contact a DC. Do this as contacting a
+ DC requires blocking lookups and we don't want to block our
+ parent.
+****************************************************************/
+
+static BOOL fork_child_dc_connect(struct winbindd_domain *domain)
+{
+ struct dc_name_ip *dcs = NULL;
+ int num_dcs = 0;
+ TALLOC_CTX *mem_ctx = NULL;
+ pid_t child_pid;
+ pid_t parent_pid = sys_getpid();
+
+ /* Stop zombies */
+ CatchChild();
+
+ child_pid = sys_fork();
+
+ if (child_pid == -1) {
+ DEBUG(0, ("fork_child_dc_connect: Could not fork: %s\n", strerror(errno)));
+ return False;
+ }
+
+ if (child_pid != 0) {
+ /* Parent */
+ messaging_register(winbind_messaging_context(), NULL,
+ MSG_WINBIND_TRY_TO_GO_ONLINE,
+ msg_try_to_go_online);
+ messaging_register(winbind_messaging_context(), NULL,
+ MSG_WINBIND_FAILED_TO_GO_ONLINE,
+ msg_failed_to_go_online);
+ return True;
+ }
+
+ /* Child. */
+
+ /* Leave messages blocked - we will never process one. */
+
+ /* tdb needs special fork handling */
+ if (tdb_reopen_all(1) == -1) {
+ DEBUG(0,("tdb_reopen_all failed.\n"));
+ _exit(0);
+ }
+
+ close_conns_after_fork();
+
+ if (!override_logfile) {
+ pstring logfile;
+ pstr_sprintf(logfile, "%s/log.winbindd-dc-connect", dyn_LOGFILEBASE);
+ lp_set_logfile(logfile);
+ reopen_logs();
+ }
+
+ mem_ctx = talloc_init("fork_child_dc_connect");
+ if (!mem_ctx) {
+ DEBUG(0,("talloc_init failed.\n"));
+ _exit(0);
+ }
+
+ if ((!get_dcs(mem_ctx, domain, &dcs, &num_dcs)) || (num_dcs == 0)) {
+ /* Still offline ? Can't find DC's. */
+ messaging_send_buf(winbind_messaging_context(),
+ pid_to_procid(parent_pid),
+ MSG_WINBIND_FAILED_TO_GO_ONLINE,
+ (uint8 *)domain->name,
+ strlen(domain->name)+1);
+ _exit(0);
+ }
+
+ /* We got a DC. Send a message to our parent to get it to
+ try and do the same. */
+
+ messaging_send_buf(winbind_messaging_context(),
+ pid_to_procid(parent_pid),
+ MSG_WINBIND_TRY_TO_GO_ONLINE,
+ (uint8 *)domain->name,
+ strlen(domain->name)+1);
+ _exit(0);
+}
/****************************************************************
Handler triggered if we're offline to try and detect a DC.
****************************************************************/
-static void check_domain_online_handler(struct timed_event *te,
+static void check_domain_online_handler(struct event_context *ctx,
+ struct timed_event *te,
const struct timeval *now,
void *private_data)
{
struct winbindd_domain *domain =
(struct winbindd_domain *)private_data;
- DEBUG(10,("check_domain_online_handler: called for domain %s\n",
- domain->name ));
+ DEBUG(10,("check_domain_online_handler: called for domain "
+ "%s (online = %s)\n", domain->name,
+ domain->online ? "True" : "False" ));
+
+ TALLOC_FREE(domain->check_online_event);
+
+ /* Are we still in "startup" mode ? */
- if (domain->check_online_event) {
- TALLOC_FREE(domain->check_online_event);
+ if (domain->startup && (now->tv_sec > domain->startup_time + 30)) {
+ /* No longer in "startup" mode. */
+ DEBUG(10,("check_domain_online_handler: domain %s no longer in 'startup' mode.\n",
+ domain->name ));
+ domain->startup = False;
}
/* We've been told to stay offline, so stay
@@ -93,10 +277,26 @@ static void check_domain_online_handler(struct timed_event *te,
return;
}
- /* This call takes care of setting the online
- flag to true if we connected, or re-adding
- the offline handler if false. */
- init_dc_connection(domain);
+ /* Fork a child to test if it can contact a DC.
+ If it can then send ourselves a message to
+ cause a reconnect. */
+
+ fork_child_dc_connect(domain);
+}
+
+/****************************************************************
+ If we're still offline setup the timeout check.
+****************************************************************/
+
+static void calc_new_online_timeout_check(struct winbindd_domain *domain)
+{
+ int wbc = lp_winbind_cache_time();
+
+ if (domain->startup) {
+ domain->check_online_timeout = 10;
+ } else if (domain->check_online_timeout < wbc) {
+ domain->check_online_timeout = wbc;
+ }
}
/****************************************************************
@@ -109,12 +309,21 @@ void set_domain_offline(struct winbindd_domain *domain)
DEBUG(10,("set_domain_offline: called for domain %s\n",
domain->name ));
- if (domain->check_online_event) {
- TALLOC_FREE(domain->check_online_event);
+ TALLOC_FREE(domain->check_online_event);
+
+ if (domain->internal) {
+ DEBUG(3,("set_domain_offline: domain %s is internal - logic error.\n",
+ domain->name ));
+ return;
}
domain->online = False;
+ /* Offline domains are always initialized. They're
+ re-initialized when they go back online. */
+
+ domain->initialized = True;
+
/* We only add the timeout handler that checks and
allows us to go back online when we've not
been told to remain offline. */
@@ -125,37 +334,174 @@ void set_domain_offline(struct winbindd_domain *domain)
return;
}
- domain->check_online_event = add_timed_event( NULL,
- timeval_current_ofs(lp_winbind_cache_time(), 0),
+ /* If we're in statup mode, check again in 10 seconds, not in
+ lp_winbind_cache_time() seconds (which is 5 mins by default). */
+
+ calc_new_online_timeout_check(domain);
+
+ domain->check_online_event = event_add_timed(winbind_event_context(),
+ NULL,
+ timeval_current_ofs(domain->check_online_timeout,0),
"check_domain_online_handler",
check_domain_online_handler,
domain);
/* The above *has* to succeed for winbindd to work. */
if (!domain->check_online_event) {
- smb_panic("set_domain_offline: failed to add online handler.\n");
+ smb_panic("set_domain_offline: failed to add online handler");
}
DEBUG(10,("set_domain_offline: added event handler for domain %s\n",
domain->name ));
+
+ /* Send an offline message to the idmap child when our
+ primary domain goes offline */
+
+ if ( domain->primary ) {
+ struct winbindd_child *idmap = idmap_child();
+
+ if ( idmap->pid != 0 ) {
+ messaging_send_buf(winbind_messaging_context(),
+ pid_to_procid(idmap->pid),
+ MSG_WINBIND_OFFLINE,
+ (uint8 *)domain->name,
+ strlen(domain->name)+1);
+ }
+ }
+
+ return;
}
/****************************************************************
Set domain online - if allowed.
****************************************************************/
-void set_domain_online(struct winbindd_domain *domain)
+static void set_domain_online(struct winbindd_domain *domain)
{
+ struct timeval now;
+
DEBUG(10,("set_domain_online: called for domain %s\n",
domain->name ));
+ if (domain->internal) {
+ DEBUG(3,("set_domain_online: domain %s is internal - logic error.\n",
+ domain->name ));
+ return;
+ }
+
if (get_global_winbindd_state_offline()) {
DEBUG(10,("set_domain_online: domain %s remaining globally offline\n",
domain->name ));
return;
}
+ /* If we are waiting to get a krb5 ticket, trigger immediately. */
+ GetTimeOfDay(&now);
+ set_event_dispatch_time(winbind_event_context(),
+ "krb5_ticket_gain_handler", now);
+
+ /* Ok, we're out of any startup mode now... */
+ domain->startup = False;
+
+ if (domain->online == False) {
+ /* We were offline - now we're online. We default to
+ using the MS-RPC backend if we started offline,
+ and if we're going online for the first time we
+ should really re-initialize the backends and the
+ checks to see if we're talking to an AD or NT domain.
+ */
+
+ domain->initialized = False;
+
+ /* 'reconnect_methods' is the MS-RPC backend. */
+ if (domain->backend == &reconnect_methods) {
+ domain->backend = NULL;
+ }
+ }
+
+ /* Ensure we have no online timeout checks. */
+ domain->check_online_timeout = 0;
+ TALLOC_FREE(domain->check_online_event);
+
+ /* Ensure we ignore any pending child messages. */
+ messaging_deregister(winbind_messaging_context(),
+ MSG_WINBIND_TRY_TO_GO_ONLINE, NULL);
+ messaging_deregister(winbind_messaging_context(),
+ MSG_WINBIND_FAILED_TO_GO_ONLINE, NULL);
+
domain->online = True;
+
+ /* Send an online message to the idmap child when our
+ primary domain comes online */
+
+ if ( domain->primary ) {
+ struct winbindd_child *idmap = idmap_child();
+
+ if ( idmap->pid != 0 ) {
+ messaging_send_buf(winbind_messaging_context(),
+ pid_to_procid(idmap->pid),
+ MSG_WINBIND_ONLINE,
+ (uint8 *)domain->name,
+ strlen(domain->name)+1);
+ }
+ }
+
+ return;
+}
+
+/****************************************************************
+ Requested to set a domain online.
+****************************************************************/
+
+void set_domain_online_request(struct winbindd_domain *domain)
+{
+ struct timeval tev;
+
+ DEBUG(10,("set_domain_online_request: called for domain %s\n",
+ domain->name ));
+
+ if (get_global_winbindd_state_offline()) {
+ DEBUG(10,("set_domain_online_request: domain %s remaining globally offline\n",
+ domain->name ));
+ return;
+ }
+
+ /* We've been told it's safe to go online and
+ try and connect to a DC. But I don't believe it
+ because network manager seems to lie.
+ Wait at least 5 seconds. Heuristics suck... */
+
+ if (!domain->check_online_event) {
+ /* If we've come from being globally offline we
+ don't have a check online event handler set.
+ We need to add one now we're trying to go
+ back online. */
+
+ DEBUG(10,("set_domain_online_request: domain %s was globally offline.\n",
+ domain->name ));
+
+ domain->check_online_event = event_add_timed(winbind_event_context(),
+ NULL,
+ timeval_current_ofs(5, 0),
+ "check_domain_online_handler",
+ check_domain_online_handler,
+ domain);
+
+ /* The above *has* to succeed for winbindd to work. */
+ if (!domain->check_online_event) {
+ smb_panic("set_domain_online_request: failed to add online handler");
+ }
+ }
+
+ GetTimeOfDay(&tev);
+
+ /* Go into "startup" mode again. */
+ domain->startup_time = tev.tv_sec;
+ domain->startup = True;
+
+ tev.tv_sec += 5;
+
+ set_event_dispatch_time(winbind_event_context(), "check_domain_online_handler", tev);
}
/****************************************************************
@@ -169,10 +515,10 @@ void winbind_add_failed_connection_entry(const struct winbindd_domain *domain,
add_failed_connection_entry(domain->name, server, result);
/* If this was the saf name for the last thing we talked to,
remove it. */
- saf_delete(domain->name, server);
+ saf_delete(domain->name);
if (*domain->alt_name) {
add_failed_connection_entry(domain->alt_name, server, result);
- saf_delete(domain->alt_name, server);
+ saf_delete(domain->alt_name);
}
}
@@ -215,8 +561,9 @@ static BOOL get_dc_name_via_netlogon(const struct winbindd_domain *domain,
struct winbindd_domain *our_domain = NULL;
struct rpc_pipe_client *netlogon_pipe = NULL;
NTSTATUS result;
+ WERROR werr;
TALLOC_CTX *mem_ctx;
-
+ unsigned int orig_timeout;
fstring tmp;
char *p;
@@ -239,21 +586,30 @@ static BOOL get_dc_name_via_netlogon(const struct winbindd_domain *domain,
result = cm_connect_netlogon(our_domain, &netlogon_pipe);
if (!NT_STATUS_IS_OK(result)) {
+ talloc_destroy(mem_ctx);
return False;
}
- result = rpccli_netlogon_getdcname(netlogon_pipe, mem_ctx, our_domain->dcname,
- domain->name, tmp);
+ /* This call can take a long time - allow the server to time out.
+ 35 seconds should do it. */
+
+ orig_timeout = cli_set_timeout(netlogon_pipe->cli, 35000);
+
+ werr = rpccli_netlogon_getanydcname(netlogon_pipe, mem_ctx, our_domain->dcname,
+ domain->name, tmp);
+
+ /* And restore our original timeout. */
+ cli_set_timeout(netlogon_pipe->cli, orig_timeout);
talloc_destroy(mem_ctx);
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("rpccli_netlogon_getdcname failed: %s\n",
- nt_errstr(result)));
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(10, ("rpccli_netlogon_getanydcname failed: %s\n",
+ dos_errstr(werr)));
return False;
}
- /* cli_netlogon_getdcname gives us a name with \\ */
+ /* cli_netlogon_getanydcname gives us a name with \\ */
p = tmp;
if (*p == '\\') {
p+=1;
@@ -264,7 +620,7 @@ static BOOL get_dc_name_via_netlogon(const struct winbindd_domain *domain,
fstrcpy(dcname, p);
- DEBUG(10, ("rpccli_netlogon_getdcname returned %s\n", dcname));
+ DEBUG(10, ("rpccli_netlogon_getanydcname returned %s\n", dcname));
if (!resolve_name(dcname, dc_ip, 0x20)) {
return False;
@@ -296,6 +652,9 @@ static NTSTATUS cm_prepare_connection(const struct winbindd_domain *domain,
struct sockaddr_in *peeraddr_in = (struct sockaddr_in *)&peeraddr;
+ DEBUG(10,("cm_prepare_connection: connecting to DC %s for domain %s\n",
+ controller, domain->name ));
+
machine_password = secrets_fetch_machine_password(lp_workgroup(), NULL,
NULL);
@@ -524,11 +883,6 @@ static NTSTATUS cm_prepare_connection(const struct winbindd_domain *domain,
return result;
}
-struct dc_name_ip {
- fstring name;
- struct in_addr ip;
-};
-
static BOOL add_one_dc_unique(TALLOC_CTX *mem_ctx, const char *domain_name,
const char *dcname, struct in_addr ip,
struct dc_name_ip **dcs, int *num)
@@ -555,8 +909,10 @@ static BOOL add_sockaddr_to_array(TALLOC_CTX *mem_ctx,
{
*addrs = TALLOC_REALLOC_ARRAY(mem_ctx, *addrs, struct sockaddr_in, (*num)+1);
- if (*addrs == NULL)
+ if (*addrs == NULL) {
+ *num = 0;
return False;
+ }
(*addrs)[*num].sin_family = PF_INET;
putip((char *)&((*addrs)[*num].sin_addr), (char *)&ip);
@@ -618,7 +974,8 @@ static BOOL send_getdc_request(struct in_addr dc_ip,
SSVAL(p, 6, 0xffff);
p+=8;
- return cli_send_mailslot(False, "\\MAILSLOT\\NET\\NTLOGON", 0,
+ return cli_send_mailslot(winbind_messaging_context(),
+ False, "\\MAILSLOT\\NET\\NTLOGON", 0,
outbuf, PTR_DIFF(p, outbuf),
global_myname(), 0, domain_name, 0x1c,
dc_ip);
@@ -696,8 +1053,7 @@ static BOOL receive_getdc_response(struct in_addr dc_ip,
convert an ip to a name
*******************************************************************/
-static BOOL dcip_to_name( const char *domainname, const char *realm,
- const DOM_SID *sid, struct in_addr ip, fstring name )
+static BOOL dcip_to_name(const struct winbindd_domain *domain, struct in_addr ip, fstring name )
{
struct ip_service ip_list;
@@ -711,28 +1067,34 @@ static BOOL dcip_to_name( const char *domainname, const char *realm,
if (lp_security() == SEC_ADS) {
ADS_STRUCT *ads;
- ads = ads_init(realm, domainname, NULL);
+ ads = ads_init(domain->alt_name, domain->name, NULL);
ads->auth.flags |= ADS_AUTH_NO_BIND;
if (ads_try_connect( ads, inet_ntoa(ip) ) ) {
- char *sitename = sitename_fetch();
/* We got a cldap packet. */
fstrcpy(name, ads->config.ldap_server_name);
namecache_store(name, 0x20, 1, &ip_list);
DEBUG(10,("dcip_to_name: flags = 0x%x\n", (unsigned int)ads->config.flags));
-#ifdef HAVE_KRB5
- if ((ads->config.flags & ADS_KDC) && ads_sitename_match(ads)) {
+
+ if (domain->primary && (ads->config.flags & ADS_KDC) && ads_closest_dc(ads)) {
+ char *sitename = sitename_fetch(ads->config.realm);
+
/* We're going to use this KDC for this realm/domain.
If we are using sites, then force the krb5 libs
to use this KDC. */
- create_local_private_krb5_conf_for_domain(realm,
- domainname,
+ create_local_private_krb5_conf_for_domain(domain->alt_name,
+ domain->name,
+ sitename,
ip);
+
+ SAFE_FREE(sitename);
+ /* Ensure we contact this DC also. */
+ saf_store( domain->name, name);
+ saf_store( domain->alt_name, name);
}
-#endif
- SAFE_FREE(sitename);
+
ads_destroy( &ads );
return True;
}
@@ -743,11 +1105,11 @@ static BOOL dcip_to_name( const char *domainname, const char *realm,
/* try GETDC requests next */
- if (send_getdc_request(ip, domainname, sid)) {
+ if (send_getdc_request(ip, domain->name, &domain->sid)) {
int i;
smb_msleep(100);
for (i=0; i<5; i++) {
- if (receive_getdc_response(ip, domainname, name)) {
+ if (receive_getdc_response(ip, domain->name, name)) {
namecache_store(name, 0x20, 1, &ip_list);
return True;
}
@@ -757,7 +1119,7 @@ static BOOL dcip_to_name( const char *domainname, const char *realm,
/* try node status request */
- if ( name_status_find(domainname, 0x1c, 0x20, ip, name) ) {
+ if ( name_status_find(domain->name, 0x1c, 0x20, ip, name) ) {
namecache_store(name, 0x20, 1, &ip_list);
return True;
}
@@ -791,8 +1153,9 @@ static BOOL get_dcs(TALLOC_CTX *mem_ctx, const struct winbindd_domain *domain,
return True;
}
-#ifdef WITH_ADS
if (sec == SEC_ADS) {
+ char *sitename = NULL;
+
/* We need to make sure we know the local site before
doing any DNS queries, as this will restrict the
get_sorted_dc_list() call below to only fetching
@@ -801,18 +1164,39 @@ static BOOL get_dcs(TALLOC_CTX *mem_ctx, const struct winbindd_domain *domain,
/* Find any DC to get the site record.
We deliberately don't care about the
return here. */
- get_dc_name(domain->name, lp_realm(), dcname, &ip);
- }
-#endif
- /* try standard netbios queries first */
+ get_dc_name(domain->name, domain->alt_name, dcname, &ip);
- get_sorted_dc_list(domain->name, &ip_list, &iplist_size, False);
+ sitename = sitename_fetch(domain->alt_name);
+ if (sitename) {
- /* check for security = ads and use DNS if we can */
+ /* Do the site-specific AD dns lookup first. */
+ get_sorted_dc_list(domain->alt_name, sitename, &ip_list, &iplist_size, True);
- if ( iplist_size==0 && sec == SEC_ADS )
- get_sorted_dc_list(domain->alt_name, &ip_list, &iplist_size, True);
+ for ( i=0; iname, inet_ntoa(ip_list[i].ip),
+ ip_list[i].ip, dcs, num_dcs);
+ }
+
+ SAFE_FREE(ip_list);
+ SAFE_FREE(sitename);
+ iplist_size = 0;
+ }
+
+ /* Now we add DCs from the main AD dns lookup. */
+ get_sorted_dc_list(domain->alt_name, NULL, &ip_list, &iplist_size, True);
+
+ for ( i=0; iname, inet_ntoa(ip_list[i].ip),
+ ip_list[i].ip, dcs, num_dcs);
+ }
+ }
+
+ /* try standard netbios queries if no ADS */
+
+ if (iplist_size==0) {
+ get_sorted_dc_list(domain->name, NULL, &ip_list, &iplist_size, False);
+ }
/* FIXME!! this is where we should re-insert the GETDC requests --jerry */
@@ -851,15 +1235,23 @@ static BOOL find_new_dc(TALLOC_CTX *mem_ctx,
for (i=0; iname, inet_ntoa(dcs[i].ip), strerror(errno) ));
winbind_add_failed_connection_entry(domain,
dcs[i].name, NT_STATUS_UNSUCCESSFUL);
}
@@ -887,8 +1282,7 @@ static BOOL find_new_dc(TALLOC_CTX *mem_ctx,
}
/* Try to figure out the name */
- if (dcip_to_name( domain->name, domain->alt_name, &domain->sid,
- addr->sin_addr, dcname )) {
+ if (dcip_to_name( domain, addr->sin_addr, dcname )) {
return True;
}
@@ -921,14 +1315,16 @@ static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
if ( saf_servername && NT_STATUS_IS_OK(check_negative_conn_cache( domain->name, saf_servername))) {
+ DEBUG(10,("cm_open_connection: saf_servername is '%s' for domain %s\n",
+ saf_servername, domain->name ));
+
/* convert an ip address to a name */
if ( is_ipaddress( saf_servername ) ) {
fstring saf_name;
struct in_addr ip;
ip = *interpret_addr2( saf_servername );
- if (dcip_to_name( domain->name, domain->alt_name,
- &domain->sid, ip, saf_name )) {
+ if (dcip_to_name( domain, ip, saf_name )) {
fstrcpy( domain->dcname, saf_name );
} else {
winbind_add_failed_connection_entry(
@@ -949,7 +1345,10 @@ static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
- if ((strlen(domain->dcname) > 0)
+ DEBUG(10,("cm_open_connection: dcname is '%s' for domain %s\n",
+ domain->dcname, domain->name ));
+
+ if (*domain->dcname
&& NT_STATUS_IS_OK(check_negative_conn_cache( domain->name, domain->dcname))
&& (resolve_name(domain->dcname, &domain->dcaddr.sin_addr, 0x20)))
{
@@ -957,8 +1356,16 @@ static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
int num_addrs = 0;
int dummy = 0;
- add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 445, &addrs, &num_addrs);
- add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 139, &addrs, &num_addrs);
+ if (!add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 445, &addrs, &num_addrs)) {
+ set_domain_offline(domain);
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+ if (!add_sockaddr_to_array(mem_ctx, domain->dcaddr.sin_addr, 139, &addrs, &num_addrs)) {
+ set_domain_offline(domain);
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
/* 5 second timeout. */
if (!open_any_socket_out(addrs, num_addrs, 5000, &dummy, &fd)) {
@@ -1068,37 +1475,171 @@ void close_conns_after_fork(void)
static BOOL connection_ok(struct winbindd_domain *domain)
{
if (domain->conn.cli == NULL) {
- DEBUG(8, ("Connection to %s for domain %s has NULL "
+ DEBUG(8, ("connection_ok: Connection to %s for domain %s has NULL "
"cli!\n", domain->dcname, domain->name));
return False;
}
if (!domain->conn.cli->initialised) {
- DEBUG(3, ("Connection to %s for domain %s was never "
+ DEBUG(3, ("connection_ok: Connection to %s for domain %s was never "
"initialised!\n", domain->dcname, domain->name));
return False;
}
if (domain->conn.cli->fd == -1) {
- DEBUG(3, ("Connection to %s for domain %s has died or was "
+ DEBUG(3, ("connection_ok: Connection to %s for domain %s has died or was "
"never started (fd == -1)\n",
domain->dcname, domain->name));
return False;
}
+ if (domain->online == False) {
+ DEBUG(3, ("connection_ok: Domain %s is offline\n", domain->name));
+ return False;
+ }
+
return True;
}
-
-/* Initialize a new connection up to the RPC BIND. */
-static NTSTATUS init_dc_connection(struct winbindd_domain *domain)
+/* Initialize a new connection up to the RPC BIND.
+ Bypass online status check so always does network calls. */
+
+static NTSTATUS init_dc_connection_network(struct winbindd_domain *domain)
{
- if (connection_ok(domain))
+ NTSTATUS result;
+
+ /* Internal connections never use the network. */
+ if (domain->internal) {
+ domain->initialized = True;
+ return NT_STATUS_OK;
+ }
+
+ if (connection_ok(domain)) {
+ if (!domain->initialized) {
+ set_dc_type_and_flags(domain);
+ }
return NT_STATUS_OK;
+ }
invalidate_cm_connection(&domain->conn);
- return cm_open_connection(domain, &domain->conn);
+ result = cm_open_connection(domain, &domain->conn);
+
+ if (NT_STATUS_IS_OK(result) && !domain->initialized) {
+ set_dc_type_and_flags(domain);
+ }
+
+ return result;
+}
+
+NTSTATUS init_dc_connection(struct winbindd_domain *domain)
+{
+ if (domain->initialized && !domain->online) {
+ /* We check for online status elsewhere. */
+ return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
+ }
+
+ return init_dc_connection_network(domain);
+}
+
+/******************************************************************************
+ Set the trust flags (direction and forest location) for a domain
+******************************************************************************/
+
+static BOOL set_dc_type_and_flags_trustinfo( struct winbindd_domain *domain )
+{
+ struct winbindd_domain *our_domain;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ struct ds_domain_trust *domains = NULL;
+ int count = 0;
+ int i;
+ uint32 flags = (DS_DOMAIN_IN_FOREST |
+ DS_DOMAIN_DIRECT_OUTBOUND |
+ DS_DOMAIN_DIRECT_INBOUND);
+ struct rpc_pipe_client *cli;
+ TALLOC_CTX *mem_ctx = NULL;
+
+ DEBUG(5, ("set_dc_type_and_flags_trustinfo: domain %s\n", domain->name ));
+
+ /* Our primary domain doesn't need to worry about trust flags.
+ Force it to go through the network setup */
+ if ( domain->primary ) {
+ return False;
+ }
+
+ our_domain = find_our_domain();
+
+ if ( !connection_ok(our_domain) ) {
+ DEBUG(3,("set_dc_type_and_flags_trustinfo: No connection to our domain!\n"));
+ return False;
+ }
+
+ /* This won't work unless our domain is AD */
+
+ if ( !our_domain->active_directory ) {
+ return False;
+ }
+
+ /* Use DsEnumerateDomainTrusts to get us the trust direction
+ and type */
+
+ result = cm_connect_netlogon(our_domain, &cli);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(5, ("set_dc_type_and_flags_trustinfo: Could not open "
+ "a connection to %s for PIPE_NETLOGON (%s)\n",
+ domain->name, nt_errstr(result)));
+ return False;
+ }
+
+ if ( (mem_ctx = talloc_init("set_dc_type_and_flags_trustinfo")) == NULL ) {
+ DEBUG(0,("set_dc_type_and_flags_trustinfo: talloc_init() failed!\n"));
+ return False;
+ }
+
+ result = rpccli_ds_enum_domain_trusts(cli, mem_ctx,
+ cli->cli->desthost,
+ flags, &domains,
+ (unsigned int *)&count);
+
+ /* Now find the domain name and get the flags */
+
+ for ( i=0; iname, domains[i].netbios_domain ) ) {
+ domain->domain_flags = domains[i].flags;
+ domain->domain_type = domains[i].trust_type;
+ domain->domain_trust_attribs = domains[i].trust_attributes;
+
+ if ( domain->domain_type == DS_DOMAIN_TRUST_TYPE_UPLEVEL )
+ domain->active_directory = True;
+
+ /* This flag is only set if the domain is *our*
+ primary domain and the primary domain is in
+ native mode */
+
+ domain->native_mode = (domain->domain_flags & DS_DOMAIN_NATIVE_MODE);
+
+ DEBUG(5, ("set_dc_type_and_flags_trustinfo: domain %s is %sin "
+ "native mode.\n", domain->name,
+ domain->native_mode ? "" : "NOT "));
+
+ DEBUG(5,("set_dc_type_and_flags_trustinfo: domain %s is %s"
+ "running active directory.\n", domain->name,
+ domain->active_directory ? "" : "NOT "));
+
+
+ domain->initialized = True;
+
+ if ( !winbindd_can_contact_domain( domain) )
+ domain->internal = True;
+
+ break;
+ }
+ }
+
+ talloc_destroy( mem_ctx );
+
+ return domain->initialized;
}
/******************************************************************************
@@ -1109,7 +1650,7 @@ static NTSTATUS init_dc_connection(struct winbindd_domain *domain)
is native mode.
******************************************************************************/
-void set_dc_type_and_flags( struct winbindd_domain *domain )
+static void set_dc_type_and_flags_connect( struct winbindd_domain *domain )
{
NTSTATUS result;
DS_DOMINFO_CTR ctr;
@@ -1119,40 +1660,30 @@ void set_dc_type_and_flags( struct winbindd_domain *domain )
char *domain_name = NULL;
char *dns_name = NULL;
- DOM_SID *dom_sid = NULL;
- int try_count = 0;
+ char *forest_name = NULL;
+ DOM_SID *dom_sid = NULL;
ZERO_STRUCT( ctr );
- domain->native_mode = False;
- domain->active_directory = False;
-
- if (domain->internal) {
- domain->initialized = True;
+ if (!connection_ok(domain)) {
return;
}
- try_again:
-
- result = init_dc_connection(domain);
- if (!NT_STATUS_IS_OK(result) || try_count > 2) {
- DEBUG(5, ("set_dc_type_and_flags: Could not open a connection "
- "to %s: (%s)\n", domain->name, nt_errstr(result)));
- domain->initialized = True;
- return;
- }
+ DEBUG(5, ("set_dc_type_and_flags_connect: domain %s\n", domain->name ));
cli = cli_rpc_pipe_open_noauth(domain->conn.cli, PI_LSARPC_DS,
&result);
if (cli == NULL) {
- DEBUG(5, ("set_dc_type_and_flags: Could not bind to "
+ DEBUG(5, ("set_dc_type_and_flags_connect: Could not bind to "
"PI_LSARPC_DS on domain %s: (%s)\n",
domain->name, nt_errstr(result)));
- domain->initialized = True;
- /* We want to detect network failures asap to try another dc. */
- try_count++;
- goto try_again;
+
+ /* if this is just a non-AD domain we need to continue
+ * identifying so that we can in the end return with
+ * domain->initialized = True - gd */
+
+ goto no_lsarpc_ds;
}
result = rpccli_ds_getprimarydominfo(cli, cli->cli->mem_ctx,
@@ -1161,27 +1692,34 @@ void set_dc_type_and_flags( struct winbindd_domain *domain )
cli_rpc_pipe_close(cli);
if (!NT_STATUS_IS_OK(result)) {
- domain->initialized = True;
+ DEBUG(5, ("set_dc_type_and_flags_connect: rpccli_ds_getprimarydominfo "
+ "on domain %s failed: (%s)\n",
+ domain->name, nt_errstr(result)));
return;
}
if ((ctr.basic->flags & DSROLE_PRIMARY_DS_RUNNING) &&
- !(ctr.basic->flags & DSROLE_PRIMARY_DS_MIXED_MODE) )
+ !(ctr.basic->flags & DSROLE_PRIMARY_DS_MIXED_MODE)) {
domain->native_mode = True;
+ } else {
+ domain->native_mode = False;
+ }
+no_lsarpc_ds:
cli = cli_rpc_pipe_open_noauth(domain->conn.cli, PI_LSARPC, &result);
if (cli == NULL) {
- domain->initialized = True;
- /* We want to detect network failures asap to try another dc. */
- try_count++;
- goto try_again;
+ DEBUG(5, ("set_dc_type_and_flags_connect: Could not bind to "
+ "PI_LSARPC on domain %s: (%s)\n",
+ domain->name, nt_errstr(result)));
+ cli_rpc_pipe_close(cli);
+ return;
}
mem_ctx = talloc_init("set_dc_type_and_flags on domain %s\n",
domain->name);
if (!mem_ctx) {
- DEBUG(1, ("set_dc_type_and_flags: talloc_init() failed\n"));
+ DEBUG(1, ("set_dc_type_and_flags_connect: talloc_init() failed\n"));
cli_rpc_pipe_close(cli);
return;
}
@@ -1194,23 +1732,27 @@ void set_dc_type_and_flags( struct winbindd_domain *domain )
to determine that the DC is active directory */
result = rpccli_lsa_query_info_policy2(cli, mem_ctx, &pol,
12, &domain_name,
- &dns_name, NULL,
+ &dns_name, &forest_name,
NULL, &dom_sid);
}
if (NT_STATUS_IS_OK(result)) {
+ domain->active_directory = True;
+
if (domain_name)
fstrcpy(domain->name, domain_name);
if (dns_name)
fstrcpy(domain->alt_name, dns_name);
+ if ( forest_name )
+ fstrcpy(domain->forest_name, forest_name);
+
if (dom_sid)
sid_copy(&domain->sid, dom_sid);
-
- domain->active_directory = True;
} else {
-
+ domain->active_directory = False;
+
result = rpccli_lsa_open_policy(cli, mem_ctx, True,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&pol);
@@ -1232,15 +1774,50 @@ void set_dc_type_and_flags( struct winbindd_domain *domain )
}
done:
+ DEBUG(5, ("set_dc_type_and_flags_connect: domain %s is %sin native mode.\n",
+ domain->name, domain->native_mode ? "" : "NOT "));
+
+ DEBUG(5,("set_dc_type_and_flags_connect: domain %s is %srunning active directory.\n",
+ domain->name, domain->active_directory ? "" : "NOT "));
+
cli_rpc_pipe_close(cli);
talloc_destroy(mem_ctx);
domain->initialized = True;
-
+}
+
+/**********************************************************************
+ Set the domain_flags (trust attributes, domain operating modes, etc...
+***********************************************************************/
+
+static void set_dc_type_and_flags( struct winbindd_domain *domain )
+{
+ /* we always have to contact our primary domain */
+
+ if ( domain->primary ) {
+ DEBUG(10,("set_dc_type_and_flags: setting up flags for "
+ "primary domain\n"));
+ set_dc_type_and_flags_connect( domain );
+ return;
+ }
+
+ /* Use our DC to get the information if possible */
+
+ if ( !set_dc_type_and_flags_trustinfo( domain ) ) {
+ /* Otherwise, fallback to contacting the
+ domain directly */
+ set_dc_type_and_flags_connect( domain );
+ }
+
return;
}
+
+
+/**********************************************************************
+***********************************************************************/
+
static BOOL cm_get_schannel_dcinfo(struct winbindd_domain *domain,
struct dcinfo **ppdc)
{
@@ -1267,7 +1844,7 @@ NTSTATUS cm_connect_sam(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
struct rpc_pipe_client **cli, POLICY_HND *sam_handle)
{
struct winbindd_cm_conn *conn;
- NTSTATUS result;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring conn_pwd;
struct dcinfo *p_dcinfo;
@@ -1337,8 +1914,9 @@ NTSTATUS cm_connect_sam(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
/* Fall back to schannel if it's a W2K pre-SP1 box. */
if (!cm_get_schannel_dcinfo(domain, &p_dcinfo)) {
+ /* If this call fails - conn->cli can now be NULL ! */
DEBUG(10, ("cm_connect_sam: Could not get schannel auth info "
- "for domain %s, trying anon\n", conn->cli->domain));
+ "for domain %s, trying anon\n", domain->name));
goto anonymous;
}
conn->samr_pipe = cli_rpc_pipe_open_schannel_with_key
@@ -1410,7 +1988,7 @@ NTSTATUS cm_connect_lsa(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
struct rpc_pipe_client **cli, POLICY_HND *lsa_policy)
{
struct winbindd_cm_conn *conn;
- NTSTATUS result;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring conn_pwd;
struct dcinfo *p_dcinfo;
@@ -1469,8 +2047,9 @@ NTSTATUS cm_connect_lsa(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
/* Fall back to schannel if it's a W2K pre-SP1 box. */
if (!cm_get_schannel_dcinfo(domain, &p_dcinfo)) {
+ /* If this call fails - conn->cli can now be NULL ! */
DEBUG(10, ("cm_connect_lsa: Could not get schannel auth info "
- "for domain %s, trying anon\n", conn->cli->domain));
+ "for domain %s, trying anon\n", domain->name));
goto anonymous;
}
conn->lsa_pipe = cli_rpc_pipe_open_schannel_with_key
@@ -1513,7 +2092,7 @@ NTSTATUS cm_connect_lsa(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx,
done:
if (!NT_STATUS_IS_OK(result)) {
invalidate_cm_connection(conn);
- return NT_STATUS_UNSUCCESSFUL;
+ return result;
}
*cli = conn->lsa_pipe;
@@ -1552,7 +2131,7 @@ NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
return NT_STATUS_OK;
}
- if (!get_trust_pw(domain->name, mach_pwd, &sec_chan_type)) {
+ if (domain->primary && !get_trust_pw(domain->name, mach_pwd, &sec_chan_type)) {
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
@@ -1562,6 +2141,12 @@ NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
return result;
}
+ if ( !domain->primary ) {
+ /* Clear the schannel request bit and drop down */
+ neg_flags &= ~NETLOGON_NEG_SCHANNEL;
+ goto no_schannel;
+ }
+
if (lp_client_schannel() != False) {
neg_flags |= NETLOGON_NEG_SCHANNEL;
}
@@ -1606,8 +2191,15 @@ NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
return NT_STATUS_ACCESS_DENIED;
}
+ no_schannel:
if ((lp_client_schannel() == False) ||
((neg_flags & NETLOGON_NEG_SCHANNEL) == 0)) {
+
+ /*
+ * NetSamLogonEx only works for schannel
+ */
+ domain->can_do_samlogon_ex = False;
+
/* We're done - just keep the existing connection to NETLOGON
* open */
conn->netlogon_pipe = netlogon_pipe;
@@ -1639,6 +2231,11 @@ NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
return !NT_STATUS_IS_OK(result) ? result : NT_STATUS_PIPE_NOT_AVAILABLE;
}
+ /*
+ * Try NetSamLogonEx for AD domains
+ */
+ domain->can_do_samlogon_ex = domain->active_directory;
+
*cli = conn->netlogon_pipe;
return NT_STATUS_OK;
}