/*
* Decrypt NOTICE messages (and forward DH1080 key-exchange)
*/
void decrypt_notice(SERVER_REC * server, char *msg, char *nick, char *address,
char *target)
{
GString *decrypted;
char *DH1024warn;
if (strncmp(msg, "DH1024_", 7) == 0) {
DH1024warn =
"\002FiSH:\002 Received \002old DH1024\002 public key from you! Please update to latest version: https://github.com/falsovsky/FiSH-irssi";
signal_stop();
irc_send_cmdv((IRC_SERVER_REC *) server, "NOTICE %s :%s\n",
nick, DH1024warn);
signal_emit("message irc own_notice", 3, server, DH1024warn,
nick);
return;
}
if (strncmp(msg, "DH1080_", 7) == 0) {
DH1080_received(server, msg, nick, address, target);
return;
}
#ifdef FiSH_DECRYPT_ZNC_LOGS
if (IsZNCtimestamp(msg))
msg += 11;
#endif
decrypted = g_string_new("");
if (FiSH_decrypt(server, msg, ischannel(*target) ? target : nick, decrypted)) {
signal_continue(5, server, decrypted->str, nick, address, target);
ZeroMemory(decrypted->str, decrypted->len);
}
g_string_free(decrypted, TRUE);
}
void raw_handler(SERVER_REC *server, char *data)
{
char channel[CONTACT_SIZE], *ptr, *ptr_bak;
int len;
if (IsNULLorEmpty(data)) return;
ptr=strchr(data, ' '); // point to command
if (ptr==NULL) return;
ptr++;
if (strncmp(ptr, "332 ", 4)!=0) return; // 332 = TOPIC
ptr_bak=ptr;
ptr=strchr(ptr, '#'); // point to #channel
if (ptr==NULL) {
ptr=strchr(ptr_bak, '&'); // point to &channel
if (ptr==NULL) {
ptr=strchr(ptr_bak, '!'); // point to !channel
if (ptr==NULL) return;
}
}
len=strchr(ptr, ' ')-ptr;
if (len >= CONTACT_SIZE-2) return; // channel string too long, something went wrong
strncpy(channel, ptr, len);
channel[len]='\0';
ptr=strchr(ptr, ':'); // point to topic msg start
if (ptr==NULL) return;
ptr++;
FiSH_decrypt(server, ptr, ptr, channel);
}
void decrypt_action(SERVER_REC * server, char *msg, char *nick, char *address,
char *target)
{
if (target == NULL)
return;
FiSH_decrypt(server, msg, msg, ischannel(*target) ? target : nick);
}
void decrypt_topic(SERVER_REC * server, char *channel, char *topic, char *nick,
char *address)
{
GString *decrypted;
decrypted = g_string_new("");
if (FiSH_decrypt(server, topic, channel, decrypted)) {
signal_continue(5, server, channel, decrypted->str, nick, address);
ZeroMemory(decrypted->str, decrypted->len);
}
g_string_free(decrypted, TRUE);
}
void decrypt_changed_topic(CHANNEL_REC * chan_rec)
{
GString *decrypted;
decrypted = g_string_new("");
if (FiSH_decrypt(chan_rec->server, chan_rec->topic,
chan_rec->name, decrypted)) {
g_free_not_null(chan_rec->topic);
chan_rec->topic = g_strdup(decrypted->str);
signal_continue(1, chan_rec);
ZeroMemory(decrypted->str, decrypted->len);
}
g_string_free(decrypted, TRUE);
}
void decrypt_action(SERVER_REC * server, char *msg, char *nick, char *address,
char *target)
{
GString *decrypted;
if (target == NULL)
return;
decrypted = g_string_new("");
if (FiSH_decrypt(server, msg, ischannel(*target) ? target : nick, decrypted)) {
signal_continue(5, server, decrypted->str, nick, address, target);
ZeroMemory(decrypted->str, decrypted->len);
}
g_string_free(decrypted, TRUE);
}
void decrypt_msg(SERVER_REC *server, char *msg, const char *nick, const char *address, const char *target)
{
const char *contactPtr, *msg_bak=msg;
char contactName[CONTACT_SIZE]="";
if (msg==NULL || target==NULL || nick==NULL) return;
#ifdef FiSH_DECRYPT_ZNC_LOGS
if (IsZNCtimestamp(msg)) msg += 11;
#endif
//channel?
if (ischannel(*target)) contactPtr=target;
else if (strcmp(nick, "-psyBNC")==0) { // psyBNC log message found // <-psyBNC> Nw~Thu Mar 29 15:02:45 :([email protected]) +OK e3454451hbadA0
msg=strstr(msg, " :(")+3; // points to nick!ident@host in psybnc log
if (msg==(char *)3) return;
ExtractRnick(contactName, msg);
msg=strchr(msg, ' ')+1;
if (msg==(char *)1) return;
contactPtr = contactName;
} else if (strcmp(nick, "-sBNC")==0) { // sBNC log message found (PRIVMSG) // <-sBNC> Sun Sep 1 13:37:00 2007 someone ([email protected]): +OK Mp1p8.qYxFN1
if ((msg=strstr(msg, " ("))==NULL) return;
else msg--; // points to the last char of the nick
while (*msg!='\0' && *msg!=' ' && msg > msg_bak) msg--;
if (*msg==' ') msg++; // now points to the first char of the nick
else return;
ExtractRnick(contactName, msg);
if ((msg=strstr(msg, "): "))==NULL) return; // find metadata end
msg += 3; // now points to encrypted message
contactPtr = contactName;
} else contactPtr=nick;
if (FiSH_decrypt(server, msg, msg, contactPtr)) {
if (strncmp(msg_bak, "\001ACTION ", 8)==0) {
// ACTION message found
signal_stop();
signal_emit("message irc action", 5, server, msg_bak+8, nick, address, target);
}
}
}
void raw_handler(SERVER_REC * server, char *data)
{
GString *decrypted;
char channel[CONTACT_SIZE], *ptr, *ptr_bak;
int len;
if (IsNULLorEmpty(data))
return;
ptr = strchr(data, ' '); // point to command
if (ptr == NULL)
return;
ptr++;
if (strncmp(ptr, "332 ", 4) != 0)
return; // 332 = TOPIC
ptr_bak = ptr;
ptr = strchr(ptr, '#'); // point to #channel
if (ptr == NULL) {
ptr = strchr(ptr_bak, '&'); // point to &channel
if (ptr == NULL) {
ptr = strchr(ptr_bak, '!'); // point to !channel
if (ptr == NULL)
return;
}
}
len = strchr(ptr, ' ') - ptr;
if (len >= CONTACT_SIZE - 2)
return; // channel string too long, something went wrong
strncpy(channel, ptr, len);
channel[len] = '\0';
ptr = strchr(ptr, ':'); // point to topic msg start
if (ptr == NULL)
return;
ptr++;
decrypted = g_string_new("");
if (FiSH_decrypt(server, ptr, channel, decrypted)) {
g_string_prepend_len(decrypted, data, strlen(data) - strlen(ptr));
signal_continue(2, server, decrypted->str);
ZeroMemory(decrypted->str, decrypted->len);
}
g_string_free(decrypted, TRUE);
}
void decrypt_changed_topic(CHANNEL_REC *chan_rec)
{
FiSH_decrypt(NULL, chan_rec->topic, chan_rec->topic, chan_rec->name);
}
void decrypt_topic(SERVER_REC *server, char *channel, char *topic, char *nick, char *address)
{
FiSH_decrypt(server, topic, topic, channel);
}