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https://github.com/samba-team/samba.git
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8afc271e2a
The two files were very similar already, the only change required was to adopt the s3 module registration fucntion name. (NTSTATUS wasn't used as the charset code does not otherwise use that type). Andrew Bartlett Signed-off-by: Andrew Tridgell <tridge@samba.org>
134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba module with developer tools
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Jelmer Vernooij 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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static struct {
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char from;
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char *to;
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int len;
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} weird_table[] = {
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{'q', "^q^", 3},
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{'Q', "^Q^", 3},
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{0, NULL}
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};
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static size_t weird_pull(void *cd, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft)
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{
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while (*inbytesleft >= 1 && *outbytesleft >= 2) {
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int i;
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int done = 0;
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for (i=0;weird_table[i].from;i++) {
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if (strncmp((*inbuf),
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weird_table[i].to,
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weird_table[i].len) == 0) {
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if (*inbytesleft < weird_table[i].len) {
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DEBUG(0,("ERROR: truncated weird string\n"));
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/* smb_panic("weird_pull"); */
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} else {
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(*outbuf)[0] = weird_table[i].from;
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(*outbuf)[1] = 0;
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(*inbytesleft) -= weird_table[i].len;
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(*outbytesleft) -= 2;
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(*inbuf) += weird_table[i].len;
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(*outbuf) += 2;
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done = 1;
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break;
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}
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}
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}
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if (done) continue;
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(*outbuf)[0] = (*inbuf)[0];
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(*outbuf)[1] = 0;
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(*inbytesleft) -= 1;
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(*outbytesleft) -= 2;
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(*inbuf) += 1;
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(*outbuf) += 2;
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}
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if (*inbytesleft > 0) {
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errno = E2BIG;
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return -1;
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}
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return 0;
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}
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static size_t weird_push(void *cd, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft)
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{
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int ir_count=0;
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while (*inbytesleft >= 2 && *outbytesleft >= 1) {
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int i;
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int done=0;
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for (i=0;weird_table[i].from;i++) {
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if ((*inbuf)[0] == weird_table[i].from &&
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(*inbuf)[1] == 0) {
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if (*outbytesleft < weird_table[i].len) {
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DEBUG(0,("No room for weird character\n"));
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/* smb_panic("weird_push"); */
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} else {
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memcpy(*outbuf, weird_table[i].to,
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weird_table[i].len);
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(*inbytesleft) -= 2;
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(*outbytesleft) -= weird_table[i].len;
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(*inbuf) += 2;
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(*outbuf) += weird_table[i].len;
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done = 1;
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break;
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}
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}
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}
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if (done) continue;
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(*outbuf)[0] = (*inbuf)[0];
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if ((*inbuf)[1]) ir_count++;
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(*inbytesleft) -= 2;
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(*outbytesleft) -= 1;
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(*inbuf) += 2;
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(*outbuf) += 1;
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}
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if (*inbytesleft == 1) {
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errno = EINVAL;
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return -1;
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}
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if (*inbytesleft > 1) {
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errno = E2BIG;
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return -1;
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}
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return ir_count;
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}
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struct charset_functions weird_functions = {"WEIRD", weird_pull, weird_push};
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NTSTATUS charset_weird_init(void)
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{
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if (!smb_register_charset(&weird_functions)) {
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return NT_STATUS_INTERNAL_ERROR;
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}
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return NT_STATUS_OK;
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}
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