mirror of
https://github.com/samba-team/samba.git
synced 2024-12-22 13:34:15 +03:00
5e54558c6d
(This used to be commit b0132e94fc
)
132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
Samba module with developer tools
|
|
Copyright (C) Andrew Tridgell 2001
|
|
Copyright (C) Jelmer Vernooij 2002
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
static struct {
|
|
char from;
|
|
const char *to;
|
|
int len;
|
|
} weird_table[] = {
|
|
{'q', "^q^", 3},
|
|
{'Q', "^Q^", 3},
|
|
{0, NULL}
|
|
};
|
|
|
|
static size_t weird_pull(void *cd, const char **inbuf, size_t *inbytesleft,
|
|
char **outbuf, size_t *outbytesleft)
|
|
{
|
|
while (*inbytesleft >= 1 && *outbytesleft >= 2) {
|
|
int i;
|
|
int done = 0;
|
|
for (i=0;weird_table[i].from;i++) {
|
|
if (strncmp((*inbuf),
|
|
weird_table[i].to,
|
|
weird_table[i].len) == 0) {
|
|
if (*inbytesleft < weird_table[i].len) {
|
|
DEBUG(0,("ERROR: truncated weird string\n"));
|
|
/* smb_panic("weird_pull"); */
|
|
|
|
} else {
|
|
(*outbuf)[0] = weird_table[i].from;
|
|
(*outbuf)[1] = 0;
|
|
(*inbytesleft) -= weird_table[i].len;
|
|
(*outbytesleft) -= 2;
|
|
(*inbuf) += weird_table[i].len;
|
|
(*outbuf) += 2;
|
|
done = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (done) continue;
|
|
(*outbuf)[0] = (*inbuf)[0];
|
|
(*outbuf)[1] = 0;
|
|
(*inbytesleft) -= 1;
|
|
(*outbytesleft) -= 2;
|
|
(*inbuf) += 1;
|
|
(*outbuf) += 2;
|
|
}
|
|
|
|
if (*inbytesleft > 0) {
|
|
errno = E2BIG;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static size_t weird_push(void *cd, const char **inbuf, size_t *inbytesleft,
|
|
char **outbuf, size_t *outbytesleft)
|
|
{
|
|
int ir_count=0;
|
|
|
|
while (*inbytesleft >= 2 && *outbytesleft >= 1) {
|
|
int i;
|
|
int done=0;
|
|
for (i=0;weird_table[i].from;i++) {
|
|
if ((*inbuf)[0] == weird_table[i].from &&
|
|
(*inbuf)[1] == 0) {
|
|
if (*outbytesleft < weird_table[i].len) {
|
|
DEBUG(0,("No room for weird character\n"));
|
|
/* smb_panic("weird_push"); */
|
|
} else {
|
|
memcpy(*outbuf, weird_table[i].to,
|
|
weird_table[i].len);
|
|
(*inbytesleft) -= 2;
|
|
(*outbytesleft) -= weird_table[i].len;
|
|
(*inbuf) += 2;
|
|
(*outbuf) += weird_table[i].len;
|
|
done = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (done) continue;
|
|
|
|
(*outbuf)[0] = (*inbuf)[0];
|
|
if ((*inbuf)[1]) ir_count++;
|
|
(*inbytesleft) -= 2;
|
|
(*outbytesleft) -= 1;
|
|
(*inbuf) += 2;
|
|
(*outbuf) += 1;
|
|
}
|
|
|
|
if (*inbytesleft == 1) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
if (*inbytesleft > 1) {
|
|
errno = E2BIG;
|
|
return -1;
|
|
}
|
|
|
|
return ir_count;
|
|
}
|
|
|
|
struct charset_functions weird_functions = {"WEIRD", weird_pull, weird_push};
|
|
|
|
NTSTATUS charset_weird_init(void);
|
|
NTSTATUS charset_weird_init(void)
|
|
{
|
|
return smb_register_charset(&weird_functions);
|
|
}
|