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-rw-r--r--source4/nbt_server/wins/winsclient.c82
1 files changed, 48 insertions, 34 deletions
diff --git a/source4/nbt_server/wins/winsclient.c b/source4/nbt_server/wins/winsclient.c
index 0c513d1ae0..d406a10002 100644
--- a/source4/nbt_server/wins/winsclient.c
+++ b/source4/nbt_server/wins/winsclient.c
@@ -172,19 +172,23 @@ static void nbtd_wins_refresh(struct tevent_context *ev, struct tevent_timer *te
tevent_req_set_callback(subreq, nbtd_wins_refresh_handler, state);
}
+struct nbtd_wins_register_state {
+ struct nbtd_iface_name *iname;
+ struct nbt_name_register_wins io;
+};
/*
called when a wins name register has completed
*/
-static void nbtd_wins_register_handler(struct composite_context *c)
+static void nbtd_wins_register_handler(struct composite_context *subreq)
{
NTSTATUS status;
- struct nbt_name_register_wins io;
- struct nbtd_iface_name *iname = talloc_get_type(c->async.private_data,
- struct nbtd_iface_name);
- TALLOC_CTX *tmp_ctx = talloc_new(iname);
+ struct nbtd_wins_register_state *state =
+ talloc_get_type_abort(subreq->async.private_data,
+ struct nbtd_wins_register_state);
+ struct nbtd_iface_name *iname = state->iname;
- status = nbt_name_register_wins_recv(c, tmp_ctx, &io);
+ status = nbt_name_register_wins_recv(subreq, state, &state->io);
if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
/* none of the WINS servers responded - try again
periodically */
@@ -194,23 +198,24 @@ static void nbtd_wins_register_handler(struct composite_context *c)
timeval_current_ofs(wins_retry_time, 0),
nbtd_wins_register_retry,
iname);
- talloc_free(tmp_ctx);
+ talloc_free(state);
return;
}
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1,("Name register failure with WINS for %s - %s\n",
- nbt_name_string(tmp_ctx, &iname->name), nt_errstr(status)));
- talloc_free(tmp_ctx);
+ nbt_name_string(state, &iname->name), nt_errstr(status)));
+ talloc_free(state);
return;
}
- if (io.out.rcode != 0) {
+ if (state->io.out.rcode != 0) {
DEBUG(1,("WINS server %s rejected name register of %s - %s\n",
- io.out.wins_server, nbt_name_string(tmp_ctx, &iname->name),
- nt_errstr(nbt_rcode_to_ntstatus(io.out.rcode))));
+ state->io.out.wins_server,
+ nbt_name_string(state, &iname->name),
+ nt_errstr(nbt_rcode_to_ntstatus(state->io.out.rcode))));
iname->nb_flags |= NBT_NM_CONFLICT;
- talloc_free(tmp_ctx);
+ talloc_free(state);
return;
}
@@ -221,17 +226,18 @@ static void nbtd_wins_register_handler(struct composite_context *c)
* talloc_free() would generate a warning,
* so steal it into the tmp context
*/
- talloc_steal(tmp_ctx, iname->wins_server);
+ talloc_steal(state, iname->wins_server);
}
- iname->wins_server = talloc_steal(iname, io.out.wins_server);
+ iname->wins_server = talloc_move(iname, &state->io.out.wins_server);
iname->registration_time = timeval_current();
- nbtd_wins_start_refresh_timer(iname);
DEBUG(3,("Registered %s with WINS server %s\n",
- nbt_name_string(tmp_ctx, &iname->name), iname->wins_server));
+ nbt_name_string(state, &iname->name), iname->wins_server));
+
+ talloc_free(state);
- talloc_free(tmp_ctx);
+ nbtd_wins_start_refresh_timer(iname);
}
/*
@@ -240,28 +246,36 @@ static void nbtd_wins_register_handler(struct composite_context *c)
void nbtd_winsclient_register(struct nbtd_iface_name *iname)
{
struct nbtd_interface *iface = iname->iface;
- struct nbt_name_register_wins io;
- struct composite_context *c;
+ struct nbt_name_socket *nbtsock = wins_socket(iface);
+ struct nbtd_wins_register_state *state;
+ struct composite_context *subreq;
+
+ state = talloc_zero(iname, struct nbtd_wins_register_state);
+ if (state == NULL) {
+ return;
+ }
+
+ state->iname = iname;
/* setup a wins name register request */
- io.in.name = iname->name;
- io.in.wins_port = lpcfg_nbt_port(iname->iface->nbtsrv->task->lp_ctx);
- io.in.wins_servers = lpcfg_wins_server_list(iname->iface->nbtsrv->task->lp_ctx);
- io.in.addresses = nbtd_address_list(iface, iname);
- io.in.nb_flags = iname->nb_flags;
- io.in.ttl = iname->ttl;
-
- if (!io.in.addresses) {
+ state->io.in.name = iname->name;
+ state->io.in.wins_port = lpcfg_nbt_port(iface->nbtsrv->task->lp_ctx);
+ state->io.in.wins_servers = lpcfg_wins_server_list(iface->nbtsrv->task->lp_ctx);
+ state->io.in.addresses = nbtd_address_list(iface, state);
+ state->io.in.nb_flags = iname->nb_flags;
+ state->io.in.ttl = iname->ttl;
+
+ if (state->io.in.addresses == NULL) {
+ talloc_free(state);
return;
}
- c = nbt_name_register_wins_send(wins_socket(iface), &io);
- if (c == NULL) {
- talloc_free(io.in.addresses);
+ subreq = nbt_name_register_wins_send(nbtsock, &state->io);
+ if (subreq == NULL) {
+ talloc_free(state);
return;
}
- talloc_steal(c, io.in.addresses);
- c->async.fn = nbtd_wins_register_handler;
- c->async.private_data = iname;
+ subreq->async.fn = nbtd_wins_register_handler;
+ subreq->async.private_data = state;
}