/* SYNTAX: UPGRADE [<irssi binary path>] */
static void cmd_upgrade(const char *data)
{
CONFIG_REC *session;
char *session_file, *str;
char *binary;
if (*data == '\0')
data = irssi_binary;
if ((binary = g_find_program_in_path(data)) == NULL)
cmd_return_error(CMDERR_PROGRAM_NOT_FOUND);
/* save the session */
session_file = g_strdup_printf("%s/session", get_irssi_dir());
session = config_open(session_file, 0600);
unlink(session_file);
signal_emit("session save", 1, session);
config_write(session, NULL, -1);
config_close(session);
/* data may contain some other program as well, like
/UPGRADE /usr/bin/screen irssi */
str = g_strdup_printf("%s --noconnect --session=%s --home=%s --config=%s",
binary, session_file, get_irssi_dir(), get_irssi_config());
g_free(binary);
g_free(session_file);
session_args = g_strsplit(str, " ", -1);
g_free(str);
signal_emit("gui exit", 0);
}
void get_ini_password_hash(int password_size, char* password) {
strcpy(iniPath, get_irssi_config()); // path to irssi config file
strcpy(strrchr(iniPath, '/'), blow_ini);
getIniValue("FiSH", "ini_password_Hash", "0", password,
password_size, iniPath);
}
/* SYNTAX: RELOAD [<file>] */
static void cmd_reload(const char *data)
{
const char *fname;
fname = *data == '\0' ? get_irssi_config() : data;
if (settings_reread(fname)) {
printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
TXT_CONFIG_RELOADED, fname);
}
}
static CONFIG_REC *parse_configfile(const char *fname)
{
CONFIG_REC *config;
struct stat statbuf;
const char *path;
char *str;
if (fname == NULL)
fname = get_irssi_config();
if (stat(fname, &statbuf) == 0)
path = fname;
else {
/* user configuration file not found, use the default one
from sysconfdir */
path = SYSCONFDIR"/"IRSSI_GLOBAL_CONFIG;
if (stat(path, &statbuf) != 0) {
/* no configuration file in sysconfdir ..
use the build-in configuration */
path = NULL;
}
}
config = config_open(path, -1);
if (config == NULL) {
str = g_strdup_printf("Error opening configuration file %s: %s",
path, g_strerror(errno));
signal_emit("gui dialog", 2, "error", str);
g_free(str);
config = config_open(NULL, -1);
}
if (config->fname != NULL)
config_parse(config);
else
config_parse_data(config, default_config, "internal");
config_change_file_name(config, fname, 0660);
irssi_config_save_state(fname);
return config;
}
BOOL DH1080_Init()
{
unsigned char raw_buf[256], iniHash[33];
FILE *hRnd;
hRnd = fopen("/dev/urandom", "rb"); // don't use /dev/random, it's a blocking device
if(!hRnd) return FALSE;
// #*#*#*#*#* RNG START #*#*#*#*#*
if(fread(raw_buf, 1, sizeof(raw_buf), hRnd) < 128) /* At least 128 bytes of seeding */
{
ZeroMemory(raw_buf, sizeof(raw_buf));
fclose(hRnd);
return FALSE;
}
fclose(hRnd);
sha_file(iniPath, (char *)iniHash);
memXOR((char *)raw_buf+128, (char *)iniHash, 32);
sha_file((char *)get_irssi_config(), (char *)iniHash);
memXOR((char *)raw_buf+128, (char *)iniHash, 32);
ZeroMemory(iniHash, sizeof(iniHash));
// first 128 byte in raw_buf: output from /dev/urandom
// last 32 byte in raw_buf: SHA-256 digest from blow.ini and irssi.conf
/* Seed and initialize ISAAC */
memcpy(csprng.randrsl, raw_buf, sizeof(raw_buf));
randinit(&csprng, TRUE);
/* RNG END */
initb64();
mpz_init(b_prime1080);
mpz_import(b_prime1080, DH1080_PRIME_BYTES, 1, 1, 0, 0, prime1080);
return TRUE;
}
void fish_init(void)
{
char iniPasswordHash[50], SHA256digest[35], B64digest[50], *iniPass_ptr;
int i;
strcpy(iniPath, get_irssi_config()); // path to irssi config file
strcpy(tempPath, iniPath);
strcpy(strrchr(iniPath, '/'), blow_ini);
strcpy(strrchr(tempPath, '/'), "/temp_FiSH.$$$");
if (DH1080_Init()==FALSE) return;
GetPrivateProfileString("FiSH", "ini_password_Hash", "0", iniPasswordHash, sizeof(iniPasswordHash), iniPath);
if (strlen(iniPasswordHash) == 43) {
iniPass_ptr = getpass(" --> Please enter your blow.ini password: "******"\002FiSH:\002 Wrong blow.ini password entered, try again...");
printtext(NULL, NULL, MSGLEVEL_CRAP, "\002FiSH module NOT loaded.\002");
return;
}
printtext(NULL, NULL, MSGLEVEL_CRAP, "\002FiSH:\002 Correct blow.ini password entered, lets go!");
} else {
strcpy(iniKey, default_iniKey);
printtext(NULL, NULL, MSGLEVEL_CRAP, "\002FiSH:\002 Using default password to decrypt blow.ini... Try /setinipw to set a custom password.");
}
signal_add_first("server sendmsg", (SIGNAL_FUNC) encrypt_msg);
signal_add_first("message private", (SIGNAL_FUNC) decrypt_msg);
signal_add_first("message public", (SIGNAL_FUNC) decrypt_msg);
signal_add_first("message irc notice", (SIGNAL_FUNC) decrypt_notice);
signal_add_first("message irc action", (SIGNAL_FUNC) decrypt_action);
signal_add_first("message own_private", (SIGNAL_FUNC) format_msg);
signal_add_first("message own_public", (SIGNAL_FUNC) format_msg);
signal_add_first("channel topic changed", (SIGNAL_FUNC) decrypt_changed_topic);
signal_add_first("message topic", (SIGNAL_FUNC) decrypt_topic);
signal_add_first("server incoming", (SIGNAL_FUNC) raw_handler);
signal_add("query created", (SIGNAL_FUNC) do_auto_keyx);
signal_add("query nick changed", (SIGNAL_FUNC) query_nick_changed);
command_bind("topic+", NULL, (SIGNAL_FUNC) cmd_crypt_TOPIC);
command_bind("notice+", NULL, (SIGNAL_FUNC) cmd_crypt_notice);
command_bind("notfish", NULL, (SIGNAL_FUNC) cmd_crypt_notice);
command_bind("me+", NULL, (SIGNAL_FUNC) cmd_crypt_action);
command_bind("setkey", NULL, (SIGNAL_FUNC) cmd_setkey);
command_bind("delkey", NULL, (SIGNAL_FUNC) cmd_delkey);
command_bind("key", NULL, (SIGNAL_FUNC) cmd_key);
command_bind("showkey", NULL, (SIGNAL_FUNC) cmd_key);
command_bind("keyx", NULL, (SIGNAL_FUNC) cmd_keyx);
command_bind("setinipw", NULL, (SIGNAL_FUNC) cmd_setinipw);
command_bind("unsetinipw", NULL, (SIGNAL_FUNC) cmd_unsetinipw);
command_bind("fishhelp", NULL, (SIGNAL_FUNC) cmd_helpfish);
command_bind("helpfish", NULL, (SIGNAL_FUNC) cmd_helpfish);
printtext(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
"FiSH v1.00 - encryption module for irssi loaded! URL: https://github.com/falsovsky/FiSH-irssi\n"
"Try /helpfish or /fishhelp for a short command overview");
module_register("fish", "core");
}
// Input: priv_key = buffer of 200 bytes
// pub_key = buffer of 200 bytes
// Output: priv_key = Your private key
// pub_key = Your public key
int DH1080_gen(char *priv_key, char *pub_key)
{
unsigned char raw_buf[160], iniHash[33];
unsigned long seed;
int len, iRet;
big b_privkey, b_pubkey;
csprng myRNG;
FILE *hRnd;
priv_key[0]='0';
priv_key[1]='\0';
pub_key[0]='0';
pub_key[1]='\0';
hRnd = fopen("/dev/urandom", "r"); // don't use /dev/random, it's a blocking device
if(!hRnd) return 0;
b_privkey=mirvar(0);
b_pubkey=mirvar(0);
// #*#*#*#*#* RNG START #*#*#*#*#*
time((time_t *)&seed);
seed ^= (long)hRnd << 16;
if(fread(raw_buf, 1, sizeof(raw_buf), hRnd) < 32)
{
ZeroMemory(raw_buf, sizeof(raw_buf));
fclose(hRnd);
mirkill(b_privkey);
mirkill(b_pubkey);
return 0;
}
fclose(hRnd);
sha_file(iniPath, iniHash);
memXOR(raw_buf+128, iniHash, 32);
sha_file((unsigned char *)get_irssi_config(), iniHash);
memXOR(raw_buf+128, iniHash, 32);
ZeroMemory(iniHash, sizeof(iniHash));
// first 128 byte in raw_buf: output from /dev/urandom
// last 32 byte in raw_buf: SHA-256 digest from blow.ini and irssi.conf
seed *= (unsigned long)mip;
strong_init(&myRNG, sizeof(raw_buf), raw_buf, (unsigned int)seed);
strong_rng(&myRNG);
strong_bigdig(&myRNG, 1080, 2, b_privkey);
strong_kill(&myRNG);
seed=0;
// #*#*#*#*#* RNG END #*#*#*#*#*
powltr(2, b_privkey, b_prime1080, b_pubkey);
if(DH_verifyPubKey(b_pubkey))
{
len=big_to_bytes(sizeof(raw_buf), b_privkey, raw_buf, FALSE);
htob64(raw_buf, priv_key, len);
len=big_to_bytes(sizeof(raw_buf), b_pubkey, raw_buf, FALSE);
htob64(raw_buf, pub_key, len);
iRet=1;
}
else iRet=0;
ZeroMemory(raw_buf, sizeof(raw_buf));
mirkill(b_privkey);
mirkill(b_pubkey);
return iRet;
}
void fish_init(void)
{
char iniPasswordHash[50], B64digest[50];
strcpy(iniPath, get_irssi_config()); // path to irssi config file
strcpy(strrchr(iniPath, '/'), blow_ini);
if (DH1080_Init() == FALSE)
return;
getIniValue("FiSH", "ini_password_Hash", "0", iniPasswordHash,
sizeof(iniPasswordHash), iniPath);
if (strlen(iniPasswordHash) == 43) {
prompt_for_password(iniKey);
calculate_password_key_and_hash(iniKey, iniKey, B64digest);
if (strcmp(B64digest, iniPasswordHash) != 0) {
printtext(NULL, NULL, MSGLEVEL_CRAP,
"\002FiSH:\002 Wrong blow.ini password entered, try again...");
printtext(NULL, NULL, MSGLEVEL_CRAP,
"\002FiSH module NOT loaded.\002");
return;
}
printtext(NULL, NULL, MSGLEVEL_CRAP,
"\002FiSH:\002 Correct blow.ini password entered, lets go!");
} else {
strcpy(iniKey, default_iniKey);
printtext(NULL, NULL, MSGLEVEL_CRAP,
"\002FiSH:\002 Using default password to decrypt blow.ini... Try /setinipw to set a custom password.");
}
signal_add_first("server sendmsg", (SIGNAL_FUNC) encrypt_msg);
signal_add_first("message private", (SIGNAL_FUNC) decrypt_msg);
signal_add_first("message public", (SIGNAL_FUNC) decrypt_msg);
signal_add_first("message irc notice", (SIGNAL_FUNC) decrypt_notice);
signal_add_first("message irc action", (SIGNAL_FUNC) decrypt_action);
signal_add_first("message own_private", (SIGNAL_FUNC) format_msg);
signal_add_first("message own_public", (SIGNAL_FUNC) format_msg);
signal_add_first("channel topic changed",
(SIGNAL_FUNC) decrypt_changed_topic);
signal_add_first("message topic", (SIGNAL_FUNC) decrypt_topic);
signal_add_first("server incoming", (SIGNAL_FUNC) raw_handler);
signal_add("query created", (SIGNAL_FUNC) do_auto_keyx);
signal_add("query nick changed", (SIGNAL_FUNC) query_nick_changed);
command_bind("topic+", NULL, (SIGNAL_FUNC) cmd_crypt_topic);
command_bind("notice+", NULL, (SIGNAL_FUNC) cmd_crypt_notice);
command_bind("notfish", NULL, (SIGNAL_FUNC) cmd_crypt_notice);
command_bind("me+", NULL, (SIGNAL_FUNC) cmd_crypt_action);
command_bind("setkey", NULL, (SIGNAL_FUNC) cmd_setkey);
command_bind("delkey", NULL, (SIGNAL_FUNC) cmd_delkey);
command_bind("key", NULL, (SIGNAL_FUNC) cmd_key);
command_bind("showkey", NULL, (SIGNAL_FUNC) cmd_key);
command_bind("keyx", NULL, (SIGNAL_FUNC) cmd_keyx);
command_bind("setinipw", NULL, (SIGNAL_FUNC) cmd_setinipw);
command_bind("unsetinipw", NULL, (SIGNAL_FUNC) cmd_unsetinipw);
command_bind("fishhelp", NULL, (SIGNAL_FUNC) cmd_helpfish);
command_bind("helpfish", NULL, (SIGNAL_FUNC) cmd_helpfish);
settings_add_bool_module("fish", "FiSH", "process_outgoing", 1);
settings_add_bool_module("fish", "FiSH", "process_incoming", 1);
settings_add_bool_module("fish", "FiSH", "auto_keyxchange", 1);
settings_add_bool_module("fish", "FiSH", "nicktracker", 1);
settings_add_str_module("fish", "FiSH", "mark_broken_block",
" \002&\002");
settings_add_str_module("fish", "FiSH", "mark_encrypted", "");
settings_add_str_module("fish", "FiSH", "plain_prefix", "+p ");
settings_add_int_module("fish", "FiSH", "mark_position", 0);
printtext(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
"FiSH v1.00 - encryption module for irssi loaded! URL: https://github.com/falsovsky/FiSH-irssi\n"
"Try /helpfish or /fishhelp for a short command overview");
module_register("fish", "core");
}
