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/*
* This file is part of telepathy-idle
*
* Copyright (C) 2006-2007 Collabora Limited
* Copyright (C) 2006-2007 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "idle-ctcp.h"
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static const gchar *_ctcp_send(const gchar *send_cmd, const gchar *target, const gchar *ctcp, IdleConnection *conn) {
gchar buf[IRC_MSG_MAXLEN + 1] = {'\0'};
int out_index = snprintf(buf, IRC_MSG_MAXLEN, "%s %s :\001", send_cmd, target);
const gchar *iter;
for (iter = ctcp; *iter != '\0'; iter++) {
switch (*iter) {
case '\r':
case '\n':
case '\001':
if ((out_index + 4) < IRC_MSG_MAXLEN) {
snprintf(buf + out_index, 5, "\\%03o", (unsigned int) *iter);
out_index += 4;
} else {
goto out;
}
break;
case '\\':
if ((out_index + 2) < IRC_MSG_MAXLEN) {
buf[out_index++] = '\\';
buf[out_index++] = '\\';
} else {
goto out;
}
break;
default:
buf[out_index++] = *iter;
}
if (out_index >= (IRC_MSG_MAXLEN - 1)) {
iter++;
break;
}
}
out:
buf[out_index++] = '\001';
buf[out_index++] = '\000';
idle_connection_send(conn, buf);
if (*iter == '\0')
return NULL;
else
return iter;
}
const gchar *idle_ctcp_privmsg(const gchar *target, const gchar *ctcp, IdleConnection *conn) {
return _ctcp_send("PRIVMSG", target, ctcp, conn);
}
const gchar *idle_ctcp_notice(const gchar *target, const gchar *ctcp, IdleConnection *conn) {
return _ctcp_send("NOTICE", target, ctcp, conn);
}
gchar *idle_ctcp_kill_blingbling(const gchar *msg) {
gchar *killed, *killed_iter;
if (msg == NULL)
return NULL;
killed = g_malloc0(strlen(msg) + 1);
killed_iter = killed;
for (const gchar *iter = msg; *iter != '\0';) {
switch (*iter) {
case '\x03': /* ^C */
iter++;
while (isdigit(*iter))
iter++;
if (*iter == ',') {
iter++;
while (isdigit(*iter))
iter++;
}
break;
case '\x02':
case '\x0f':
case '\x11':
case '\x12':
case '\x16':
case '\x1d':
case '\x1f':
iter++;
break;
default:
*killed_iter++ = *iter++;
}
}
return killed;
}
gchar **idle_ctcp_decode(const gchar *msg) {
GPtrArray *tokens;
gchar cur_token[IRC_MSG_MAXLEN] = {'\0'};
gchar *cur_iter = cur_token;
gchar **ret;
const gchar *iter;
gboolean string = FALSE;
if (!msg || (msg[0] != '\001') || !msg[1] || (msg[1] == '\001'))
return NULL;
tokens = g_ptr_array_new();
iter = msg + 1;
while (*iter != '\0') {
switch (*iter) {
case '\\':
if (isdigit(iter[1])) {
gchar *endptr = NULL;
gchar escaped_char = (gchar) strtol(iter + 1, &endptr, 8);
if (endptr != (iter + 1)) {
*cur_iter++ = escaped_char;
iter = endptr;
} else {
iter++;
}
} else {
*cur_iter++ = iter[1];
iter += 2;
}
break;
case ' ':
if (string) {
*cur_iter++ = ' ';
} else {
if (cur_token[0] != '\0') {
g_ptr_array_add(tokens, g_strdup(cur_token));
memset(cur_token, '\0', IRC_MSG_MAXLEN);
cur_iter = cur_token;
}
}
iter++;
break;
case '"':
if (cur_token[0] != '\0') {
g_ptr_array_add(tokens, g_strdup(cur_token));
memset(cur_token, 0, IRC_MSG_MAXLEN);
cur_iter = cur_token;
}
string ^= TRUE;
iter++;
break;
case '\001':
iter++;
break;
default:
*cur_iter++ = *iter++;
break;
}
}
if (cur_token[0] != '\0')
g_ptr_array_add(tokens, g_strdup(cur_token));
g_ptr_array_add(tokens, NULL);
ret = (gchar **) tokens->pdata;
g_ptr_array_free(tokens, FALSE);
return ret;
}
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