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r23728: First part of bugfix for #4763. Limit notify responses

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to client max buf size.
Jeremy.
(This used to be commit 6113f56919)
This commit is contained in:
Jeremy Allison 2007-07-05 18:28:18 +00:00 committed by Gerald (Jerry) Carter
parent 8724dfe551
commit 35d09869ed
1 changed files with 12 additions and 0 deletions
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12
source3/smbd/notify.c
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@ -22,6 +22,9 @@
#include "includes.h"
/* Max size we can send to client in a notify response. */
extern int max_send;
struct notify_change_request {
struct notify_change_request *prev, *next;
struct files_struct *fsp; /* backpointer for cancel by mid */
@ -147,6 +150,15 @@ void change_notify_reply(const char *request_buf,
buflen = smb_size+38+prs_offset(&ps) + 4 /* padding */;
if (buflen > max_send) {
/*
* We exceed what the client is willing to accept. Send
* nothing.
*/
change_notify_reply_packet(request_buf, NT_STATUS_OK);
goto done;
}
if (!(outbuf = SMB_MALLOC_ARRAY(char, buflen))) {
change_notify_reply_packet(request_buf, NT_STATUS_NO_MEMORY);
goto done;