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Code Issues Releases Wiki Activity

ntlm_wb: Fixed buffer size not being large enough for NTLMv2 sessions

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Bug: http://curl.haxx.se/mail/lib-2014-07/0103.html
Reported-by: David Woodhouse
This commit is contained in:
Steve Holme 2014-07-12 14:56:47 +01:00
parent 8a120710cc
commit aaaf9e50ec
1 changed files with 5 additions and 3 deletions
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8
lib/curl_ntlm_wb.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -43,6 +43,7 @@
#include "urldata.h" #include "urldata.h"
#include "sendf.h" #include "sendf.h"
#include "select.h" #include "select.h"
#include "curl_ntlm_msgs.h"
#include "curl_ntlm_wb.h" #include "curl_ntlm_wb.h"
#include "url.h" #include "url.h"
#include "strerror.h" #include "strerror.h"
@ -227,9 +228,10 @@ static CURLcode ntlm_wb_response(struct connectdata *conn,
const char *input, curlntlm state) const char *input, curlntlm state)
{ {
ssize_t size; ssize_t size;
char buf[200]; /* enough, type 1, 3 message length is less then 200 */ char buf[NTLM_BUFSIZE];
char *tmpbuf = buf; char *tmpbuf = buf;
size_t len_in = strlen(input), len_out = sizeof(buf); size_t len_in = strlen(input);
size_t len_out = sizeof(buf);
while(len_in > 0) { while(len_in > 0) {
ssize_t written = swrite(conn->ntlm_auth_hlpr_socket, input, len_in); ssize_t written = swrite(conn->ntlm_auth_hlpr_socket, input, len_in);