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-rw-r--r--source3/include/proto.h4
-rw-r--r--source3/smbd/notify.c83
-rw-r--r--source3/smbd/nttrans.c3
3 files changed, 32 insertions, 58 deletions
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 482027e8dc..96ed71657d 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -7973,11 +7973,11 @@ void reply_negprot(struct smb_request *req);
/* The following definitions come from smbd/notify.c */
void change_notify_reply(connection_struct *conn,
- const uint8 *request_buf, uint32 max_param,
+ struct smb_request *req, uint32 max_param,
struct notify_change_buf *notify_buf);
NTSTATUS change_notify_create(struct files_struct *fsp, uint32 filter,
bool recursive);
-NTSTATUS change_notify_add_request(const struct smb_request *req,
+NTSTATUS change_notify_add_request(struct smb_request *req,
uint32 max_param,
uint32 filter, bool recursive,
struct files_struct *fsp);
diff --git a/source3/smbd/notify.c b/source3/smbd/notify.c
index b2d0f20f89..5a517654bf 100644
--- a/source3/smbd/notify.c
+++ b/source3/smbd/notify.c
@@ -24,7 +24,7 @@
struct notify_change_request {
struct notify_change_request *prev, *next;
struct files_struct *fsp; /* backpointer for cancel by mid */
- uint8 request_buf[smb_size];
+ struct smb_request *req;
uint32 filter;
uint32 max_param;
struct notify_mid_map *mid_map;
@@ -133,40 +133,33 @@ static bool notify_marshall_changes(int num_changes,
*****************************************************************************/
static void change_notify_reply_packet(connection_struct *conn,
- const uint8 *request_buf,
+ struct smb_request *req,
NTSTATUS error_code)
{
- char outbuf[smb_size+38];
+ reply_outbuf(req, 18, 0);
- memset(outbuf, '\0', sizeof(outbuf));
- construct_reply_common((char *)request_buf, outbuf);
-
- ERROR_NT(error_code);
-
- /*
- * Seems NT needs a transact command with an error code
- * in it. This is a longer packet than a simple error.
- */
- srv_set_message(outbuf,18,0,False);
+ if (!NT_STATUS_IS_OK(error_code)) {
+ error_packet_set((char *)req->outbuf, 0, 0, error_code,
+ __LINE__,__FILE__);
+ }
- show_msg(outbuf);
- if (!srv_send_smb(smbd_server_fd(),
- outbuf,
- IS_CONN_ENCRYPTED(conn)))
+ show_msg((char *)req->outbuf);
+ if (!srv_send_smb(smbd_server_fd(), (char *)req->outbuf,
+ req->encrypted)) {
exit_server_cleanly("change_notify_reply_packet: srv_send_smb "
"failed.");
+ }
+ TALLOC_FREE(req->outbuf);
}
void change_notify_reply(connection_struct *conn,
- const uint8 *request_buf, uint32 max_param,
+ struct smb_request *req, uint32 max_param,
struct notify_change_buf *notify_buf)
{
prs_struct ps;
- struct smb_request *req = NULL;
- uint8 tmp_request[smb_size];
if (notify_buf->num_changes == -1) {
- change_notify_reply_packet(conn, request_buf, NT_STATUS_OK);
+ change_notify_reply_packet(conn, req, NT_STATUS_OK);
notify_buf->num_changes = 0;
return;
}
@@ -179,32 +172,14 @@ void change_notify_reply(connection_struct *conn,
* We exceed what the client is willing to accept. Send
* nothing.
*/
- change_notify_reply_packet(conn, request_buf, NT_STATUS_OK);
- goto done;
- }
-
- if (!(req = talloc(talloc_tos(), struct smb_request))) {
- change_notify_reply_packet(conn, request_buf, NT_STATUS_NO_MEMORY);
+ change_notify_reply_packet(conn, req, NT_STATUS_OK);
goto done;
}
- memcpy(tmp_request, request_buf, smb_size);
-
- /*
- * We're only interested in the header fields here
- */
-
- smb_setlen((char *)tmp_request, smb_size);
- SCVAL(tmp_request, smb_wct, 0);
-
- init_smb_request(req, tmp_request,0, conn->encrypted_tid);
- req->inbuf = tmp_request;
-
send_nt_replies(conn, req, NT_STATUS_OK, prs_data_p(&ps),
prs_offset(&ps), NULL, 0);
done:
- TALLOC_FREE(req);
prs_mem_free(&ps);
TALLOC_FREE(notify_buf->changes);
@@ -252,7 +227,7 @@ NTSTATUS change_notify_create(struct files_struct *fsp, uint32 filter,
return status;
}
-NTSTATUS change_notify_add_request(const struct smb_request *req,
+NTSTATUS change_notify_add_request(struct smb_request *req,
uint32 max_param,
uint32 filter, bool recursive,
struct files_struct *fsp)
@@ -263,16 +238,16 @@ NTSTATUS change_notify_add_request(const struct smb_request *req,
DEBUG(10, ("change_notify_add_request: Adding request for %s: "
"max_param = %d\n", fsp->fsp_name, (int)max_param));
- if (!(request = SMB_MALLOC_P(struct notify_change_request))
- || !(map = SMB_MALLOC_P(struct notify_mid_map))) {
- SAFE_FREE(request);
+ if (!(request = talloc(NULL, struct notify_change_request))
+ || !(map = talloc(request, struct notify_mid_map))) {
+ TALLOC_FREE(request);
return NT_STATUS_NO_MEMORY;
}
request->mid_map = map;
map->req = request;
- memcpy(request->request_buf, req->inbuf, sizeof(request->request_buf));
+ request->req = talloc_move(request, &req);
request->max_param = max_param;
request->filter = filter;
request->fsp = fsp;
@@ -281,11 +256,11 @@ NTSTATUS change_notify_add_request(const struct smb_request *req,
DLIST_ADD_END(fsp->notify->requests, request,
struct notify_change_request *);
- map->mid = SVAL(req->inbuf, smb_mid);
+ map->mid = request->req->mid;
DLIST_ADD(notify_changes_by_mid, map);
/* Push the MID of this packet on the signing queue. */
- srv_defer_sign_response(SVAL(req->inbuf,smb_mid));
+ srv_defer_sign_response(request->req->mid);
return NT_STATUS_OK;
}
@@ -315,9 +290,7 @@ static void change_notify_remove_request(struct notify_change_request *remove_re
DLIST_REMOVE(fsp->notify->requests, req);
DLIST_REMOVE(notify_changes_by_mid, req->mid_map);
- SAFE_FREE(req->mid_map);
- TALLOC_FREE(req->backend_data);
- SAFE_FREE(req);
+ TALLOC_FREE(req);
}
/****************************************************************************
@@ -338,8 +311,8 @@ void remove_pending_change_notify_requests_by_mid(uint16 mid)
return;
}
- change_notify_reply_packet(map->req->fsp->conn,
- map->req->request_buf, NT_STATUS_CANCELLED);
+ change_notify_reply_packet(map->req->fsp->conn, map->req->req,
+ NT_STATUS_CANCELLED);
change_notify_remove_request(map->req);
}
@@ -355,8 +328,8 @@ void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
}
while (fsp->notify->requests != NULL) {
- change_notify_reply_packet(fsp->conn,
- fsp->notify->requests->request_buf, status);
+ change_notify_reply_packet(
+ fsp->conn, fsp->notify->requests->req, status);
change_notify_remove_request(fsp->notify->requests);
}
}
@@ -450,7 +423,7 @@ static void notify_fsp(files_struct *fsp, uint32 action, const char *name)
*/
change_notify_reply(fsp->conn,
- fsp->notify->requests->request_buf,
+ fsp->notify->requests->req,
fsp->notify->requests->max_param,
fsp->notify);
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 50a3aea856..565f2cbb5f 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -1443,7 +1443,8 @@ static void call_nt_transact_notify_change(connection_struct *conn,
* here.
*/
- change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
+ change_notify_reply(fsp->conn, req, max_param_count,
+ fsp->notify);
/*
* change_notify_reply() above has independently sent its
generated by cgit (git 2.34.1) at 2024-11-23 18:57:41 +0000