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-rw-r--r--source4/nbt_server/dgram/netlogon.c18
-rw-r--r--source4/nbt_server/dgram/ntlogon.c6
-rw-r--r--source4/nbt_server/interfaces.c32
-rw-r--r--source4/nbt_server/irpc.c2
-rw-r--r--source4/nbt_server/wins/winswack.c8
5 files changed, 44 insertions, 22 deletions
diff --git a/source4/nbt_server/dgram/netlogon.c b/source4/nbt_server/dgram/netlogon.c
index 632f987c37..c50c0ba1c0 100644
--- a/source4/nbt_server/dgram/netlogon.c
+++ b/source4/nbt_server/dgram/netlogon.c
@@ -33,11 +33,13 @@
reply to a GETDC request
*/
static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
+ struct nbtd_interface *iface,
struct nbt_dgram_packet *packet,
const struct socket_address *src,
struct nbt_netlogon_packet *netlogon)
{
struct nbt_name *name = &packet->data.msg.dest_name;
+ struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, False);
struct nbt_netlogon_packet reply;
struct nbt_netlogon_response_from_pdc *pdc;
const char *ref_attrs[] = {"nETBIOSName", NULL};
@@ -80,7 +82,7 @@ static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
packet->data.msg.dest_name.type = 0;
- dgram_mailslot_netlogon_reply(dgmslot->dgmsock,
+ dgram_mailslot_netlogon_reply(reply_iface->dgmsock,
packet,
netlogon->req.pdc.mailslot_name,
&reply);
@@ -90,12 +92,14 @@ static void nbtd_netlogon_getdc(struct dgram_mailslot_handler *dgmslot,
/*
reply to a ADS style GETDC request
*/
-static void nbtd_netlogon_getdc2(struct dgram_mailslot_handler *dgmslot,
+static void nbtd_netlogon_getdc2(struct dgram_mailslot_handler *dgmslot,
+ struct nbtd_interface *iface,
struct nbt_dgram_packet *packet,
const struct socket_address *src,
struct nbt_netlogon_packet *netlogon)
{
struct nbt_name *name = &packet->data.msg.dest_name;
+ struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, False);
struct nbt_netlogon_packet reply;
struct nbt_netlogon_response_from_pdc2 *pdc;
struct ldb_context *samctx;
@@ -104,7 +108,7 @@ static void nbtd_netlogon_getdc2(struct dgram_mailslot_handler *dgmslot,
struct ldb_message **ref_res, **dom_res;
int ret;
const char **services = lp_server_services();
- struct socket_address *my_ip = socket_get_my_addr(dgmslot->dgmsock->sock, packet);
+ const char *my_ip = reply_iface->ip_address;
if (!my_ip) {
DEBUG(0, ("Could not obtain own IP address for datagram socket\n"));
return;
@@ -188,14 +192,14 @@ static void nbtd_netlogon_getdc2(struct dgram_mailslot_handler *dgmslot,
pdc->site_name2 = "Default-First-Site-Name";
pdc->unknown = 0x10; /* what is this? */
pdc->unknown2 = 2; /* and this ... */
- pdc->pdc_ip = my_ip->addr;
+ pdc->pdc_ip = my_ip;
pdc->nt_version = 13;
pdc->lmnt_token = 0xFFFF;
pdc->lm20_token = 0xFFFF;
packet->data.msg.dest_name.type = 0;
- dgram_mailslot_netlogon_reply(dgmslot->dgmsock,
+ dgram_mailslot_netlogon_reply(reply_iface->dgmsock,
packet,
netlogon->req.pdc2.mailslot_name,
&reply);
@@ -235,10 +239,10 @@ void nbtd_mailslot_netlogon_handler(struct dgram_mailslot_handler *dgmslot,
switch (netlogon->command) {
case NETLOGON_QUERY_FOR_PDC:
- nbtd_netlogon_getdc(dgmslot, packet, src, netlogon);
+ nbtd_netlogon_getdc(dgmslot, iface, packet, src, netlogon);
break;
case NETLOGON_QUERY_FOR_PDC2:
- nbtd_netlogon_getdc2(dgmslot, packet, src, netlogon);
+ nbtd_netlogon_getdc2(dgmslot, iface, packet, src, netlogon);
break;
default:
DEBUG(2,("unknown netlogon op %d from %s:%d\n",
diff --git a/source4/nbt_server/dgram/ntlogon.c b/source4/nbt_server/dgram/ntlogon.c
index 165a9f461a..15bf903844 100644
--- a/source4/nbt_server/dgram/ntlogon.c
+++ b/source4/nbt_server/dgram/ntlogon.c
@@ -29,11 +29,13 @@
reply to a SAM LOGON request
*/
static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot,
+ struct nbtd_interface *iface,
struct nbt_dgram_packet *packet,
const struct socket_address *src,
struct nbt_ntlogon_packet *ntlogon)
{
struct nbt_name *name = &packet->data.msg.dest_name;
+ struct nbtd_interface *reply_iface = nbtd_find_reply_iface(iface, src->addr, False);
struct nbt_ntlogon_packet reply;
struct nbt_ntlogon_sam_logon_reply *logon;
@@ -56,7 +58,7 @@ static void nbtd_ntlogon_sam_logon(struct dgram_mailslot_handler *dgmslot,
packet->data.msg.dest_name.type = 0;
- dgram_mailslot_ntlogon_reply(dgmslot->dgmsock,
+ dgram_mailslot_ntlogon_reply(reply_iface->dgmsock,
packet,
ntlogon->req.logon.mailslot_name,
&reply);
@@ -97,7 +99,7 @@ void nbtd_mailslot_ntlogon_handler(struct dgram_mailslot_handler *dgmslot,
switch (ntlogon->command) {
case NTLOGON_SAM_LOGON:
- nbtd_ntlogon_sam_logon(dgmslot, packet, src, ntlogon);
+ nbtd_ntlogon_sam_logon(dgmslot, iface, packet, src, ntlogon);
break;
default:
DEBUG(2,("unknown ntlogon op %d from %s:%d\n",
diff --git a/source4/nbt_server/interfaces.c b/source4/nbt_server/interfaces.c
index e51cd5c6f3..1cfe79bb9f 100644
--- a/source4/nbt_server/interfaces.c
+++ b/source4/nbt_server/interfaces.c
@@ -193,7 +193,6 @@ static NTSTATUS nbtd_add_socket(struct nbtd_server *nbtsrv,
return NT_STATUS_OK;
}
-
/*
setup a socket for talking to our WINS servers
*/
@@ -312,22 +311,39 @@ const char **nbtd_address_list(struct nbtd_interface *iface, TALLOC_CTX *mem_ctx
/*
find the interface to use for sending a outgoing request
*/
-struct nbtd_interface *nbtd_find_interface(struct nbtd_server *nbtd_server,
- const char *address)
+struct nbtd_interface *nbtd_find_request_iface(struct nbtd_server *nbtd_server,
+ const char *address, BOOL allow_bcast_iface)
{
- struct nbtd_interface *iface;
+ struct nbtd_interface *cur;
+
/* try to find a exact match */
- for (iface=nbtd_server->interfaces;iface;iface=iface->next) {
- if (iface_same_net(address, iface->ip_address, iface->netmask)) {
- return iface;
+ for (cur=nbtd_server->interfaces;cur;cur=cur->next) {
+ if (iface_same_net(address, cur->ip_address, cur->netmask)) {
+ return cur;
}
}
/* no exact match, if we have the broadcast interface, use that */
- if (nbtd_server->bcast_interface) {
+ if (allow_bcast_iface && nbtd_server->bcast_interface) {
return nbtd_server->bcast_interface;
}
/* fallback to first interface */
return nbtd_server->interfaces;
}
+
+/*
+ * find the interface to use for sending a outgoing reply
+ */
+struct nbtd_interface *nbtd_find_reply_iface(struct nbtd_interface *iface,
+ const char *address, BOOL allow_bcast_iface)
+{
+ struct nbtd_server *nbtd_server = iface->nbtsrv;
+
+ /* first try to use the given interfacel when it's not the broadcast one */
+ if (iface != nbtd_server->bcast_interface) {
+ return iface;
+ }
+
+ return nbtd_find_request_iface(nbtd_server, address, allow_bcast_iface);
+}
diff --git a/source4/nbt_server/irpc.c b/source4/nbt_server/irpc.c
index 3f82bbd757..04bbcf8285 100644
--- a/source4/nbt_server/irpc.c
+++ b/source4/nbt_server/irpc.c
@@ -120,7 +120,7 @@ static NTSTATUS nbtd_getdcname(struct irpc_message *msg,
{
struct nbtd_server *server =
talloc_get_type(msg->private, struct nbtd_server);
- struct nbtd_interface *iface = nbtd_find_interface(server, req->in.ip_address);
+ struct nbtd_interface *iface = nbtd_find_request_iface(server, req->in.ip_address, True);
struct getdc_state *s;
struct nbt_ntlogon_packet p;
struct nbt_ntlogon_sam_logon *r;
diff --git a/source4/nbt_server/wins/winswack.c b/source4/nbt_server/wins/winswack.c
index 2da73fa9cf..3bdf682459 100644
--- a/source4/nbt_server/wins/winswack.c
+++ b/source4/nbt_server/wins/winswack.c
@@ -49,7 +49,7 @@ static void wins_challenge_handler(struct nbt_name_request *req)
state->query.in.dest_addr = state->io->in.addresses[state->current_address];
- iface = nbtd_find_interface(state->io->in.nbtd_server, state->query.in.dest_addr);
+ iface = nbtd_find_request_iface(state->io->in.nbtd_server, state->query.in.dest_addr, True);
if (!iface) {
composite_error(ctx, NT_STATUS_INTERNAL_ERROR);
return;
@@ -111,7 +111,7 @@ struct composite_context *wins_challenge_send(TALLOC_CTX *mem_ctx, struct wins_c
state->query.in.retries = 2;
ZERO_STRUCT(state->query.out);
- iface = nbtd_find_interface(state->io->in.nbtd_server, state->query.in.dest_addr);
+ iface = nbtd_find_request_iface(state->io->in.nbtd_server, state->query.in.dest_addr, True);
if (!iface) {
goto failed;
}
@@ -165,7 +165,7 @@ static void wins_release_demand_handler(struct nbt_name_request *req)
state->release.in.timeout = (state->addresses_left > 1 ? 2 : 1);
state->release.in.retries = (state->addresses_left > 1 ? 0 : 2);
- iface = nbtd_find_interface(state->io->in.nbtd_server, state->release.in.dest_addr);
+ iface = nbtd_find_request_iface(state->io->in.nbtd_server, state->release.in.dest_addr, True);
if (!iface) {
composite_error(ctx, NT_STATUS_INTERNAL_ERROR);
return;
@@ -226,7 +226,7 @@ static struct composite_context *wins_release_demand_send(TALLOC_CTX *mem_ctx, s
state->release.in.retries = (state->addresses_left > 1 ? 0 : 2);
ZERO_STRUCT(state->release.out);
- iface = nbtd_find_interface(state->io->in.nbtd_server, state->release.in.dest_addr);
+ iface = nbtd_find_request_iface(state->io->in.nbtd_server, state->release.in.dest_addr, True);
if (!iface) {
goto failed;
}
generated by cgit (git 2.34.1) at 2024-11-22 23:04:12 +0000