2
Unix SMB/CIFS implementation.
3
server specific string routines
4
Copyright (C) Andrew Tridgell 2001
5
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 3 of the License, or
10
(at your option) any later version.
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
GNU General Public License for more details.
17
You should have received a copy of the GNU General Public License
18
along with this program. If not, see <http://www.gnu.org/licenses/>.
22
#include "smbd/globals.h"
24
/* Make sure we can't write a string past the end of the buffer */
26
size_t srvstr_push_fn(const char *function, unsigned int line,
27
const char *base_ptr, uint16 smb_flags2, void *dest,
28
const char *src, int dest_len, int flags)
34
/* 'normal' push into size-specified buffer */
35
return push_string_fn(function, line, base_ptr, smb_flags2, dest, src,
39
/*******************************************************************
40
Add a string to the end of a smb_buf, adjusting bcc and smb_len.
41
Return the bytes added
42
********************************************************************/
44
ssize_t message_push_string(uint8 **outbuf, const char *str, int flags)
46
size_t buf_size = smb_len(*outbuf) + 4;
52
* We need to over-allocate, now knowing what srvstr_push will
53
* actually use. This is very generous by incorporating potential
54
* padding, the terminating 0 and at most 4 chars per UTF-16 code
57
grow_size = (strlen(str) + 2) * 4;
59
if (!(tmp = TALLOC_REALLOC_ARRAY(NULL, *outbuf, uint8,
60
buf_size + grow_size))) {
61
DEBUG(0, ("talloc failed\n"));
65
result = srvstr_push((char *)tmp, SVAL(tmp, smb_flg2),
66
tmp + buf_size, str, grow_size, flags);
68
if (result == (size_t)-1) {
69
DEBUG(0, ("srvstr_push failed\n"));
72
set_message_bcc((char *)tmp, smb_buflen(tmp) + result);