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-rw-r--r--source3/libsmb/clidgram.c81
1 files changed, 50 insertions, 31 deletions
diff --git a/source3/libsmb/clidgram.c b/source3/libsmb/clidgram.c
index 243ffb8d81..c4a030934e 100644
--- a/source3/libsmb/clidgram.c
+++ b/source3/libsmb/clidgram.c
@@ -113,50 +113,45 @@ static const char *mailslot_name(TALLOC_CTX *mem_ctx, struct in_addr dc_ip)
NBT_MAILSLOT_GETDC, dc_ip.s_addr);
}
-bool send_getdc_request(TALLOC_CTX *mem_ctx,
- struct messaging_context *msg_ctx,
- const struct sockaddr_storage *dc_ss,
- const char *domain_name,
- const struct dom_sid *sid,
- uint32_t nt_version,
- int dgm_id)
+static bool prep_getdc_request(const struct sockaddr_storage *dc_ss,
+ const char *domain_name,
+ const struct dom_sid *sid,
+ uint32_t nt_version,
+ int dgm_id,
+ struct packet_struct *p)
{
+ TALLOC_CTX *frame = talloc_stackframe();
struct in_addr dc_ip;
- const char *my_acct_name = NULL;
- const char *my_mailslot = NULL;
+ const char *my_acct_name;
+ const char *my_mailslot;
struct nbt_netlogon_packet packet;
struct NETLOGON_SAM_LOGON_REQUEST *s;
enum ndr_err_code ndr_err;
- DATA_BLOB blob;
+ DATA_BLOB blob = data_blob_null;
struct dom_sid my_sid;
- struct packet_struct p;
- pid_t nmbd_pid;
-
- if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
- DEBUG(3, ("No nmbd found\n"));
- return False;
- }
+ bool ret = false;
if (dc_ss->ss_family != AF_INET) {
- return false;
+ goto fail;
}
ZERO_STRUCT(packet);
ZERO_STRUCT(my_sid);
- if (sid) {
+ if (sid != NULL) {
my_sid = *sid;
}
dc_ip = ((struct sockaddr_in *)dc_ss)->sin_addr;
- my_mailslot = mailslot_name(mem_ctx, dc_ip);
- if (!my_mailslot) {
- return false;
+
+ my_mailslot = mailslot_name(talloc_tos(), dc_ip);
+ if (my_mailslot == NULL) {
+ goto fail;
}
- my_acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
- if (!my_acct_name) {
- return false;
+ my_acct_name = talloc_asprintf(talloc_tos(), "%s$", global_myname());
+ if (my_acct_name == NULL) {
+ goto fail;
}
packet.command = LOGON_SAM_LOGON_REQUEST;
@@ -176,18 +171,42 @@ bool send_getdc_request(TALLOC_CTX *mem_ctx,
NDR_PRINT_DEBUG(nbt_netlogon_packet, &packet);
}
- ndr_err = ndr_push_struct_blob(&blob, mem_ctx, &packet,
+ ndr_err = ndr_push_struct_blob(&blob, talloc_tos(), &packet,
(ndr_push_flags_fn_t)ndr_push_nbt_netlogon_packet);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- return false;
+ goto fail;
}
- if (!cli_prep_mailslot(false, NBT_MAILSLOT_NTLOGON, 0,
- (char *)blob.data, blob.length,
- global_myname(), 0, domain_name, 0x1c,
- dc_ss, dgm_id, &p)) {
+ ret = cli_prep_mailslot(false, NBT_MAILSLOT_NTLOGON, 0,
+ (char *)blob.data, blob.length,
+ global_myname(), 0, domain_name, 0x1c,
+ dc_ss, dgm_id, p);
+fail:
+ TALLOC_FREE(frame);
+ return ret;
+}
+
+bool send_getdc_request(TALLOC_CTX *mem_ctx,
+ struct messaging_context *msg_ctx,
+ const struct sockaddr_storage *dc_ss,
+ const char *domain_name,
+ const struct dom_sid *sid,
+ uint32_t nt_version,
+ int dgm_id)
+{
+ struct packet_struct p;
+ pid_t nmbd_pid;
+
+ if ((nmbd_pid = pidfile_pid("nmbd")) == 0) {
+ DEBUG(3, ("No nmbd found\n"));
+ return False;
+ }
+
+ if (!prep_getdc_request(dc_ss, domain_name, sid, nt_version,
+ dgm_id, &p)) {
return false;
}
+
return NT_STATUS_IS_OK(messaging_send_buf(msg_ctx,
pid_to_procid(nmbd_pid),
MSG_SEND_PACKET,