+/*
+
+ silc-core.c
+
+ Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+
+ Copyright (C) 2001 Pekka Riikonen
+
+ 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 2 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.
+
+*/
+
#include "module.h"
#include "chat-protocols.h"
+#include "args.h"
#include "chatnets.h"
#include "servers-setup.h"
#include "silc-queries.h"
#include "silc-nicklist.h"
#include "version_internal.h"
+#include "version.h"
#include "signals.h"
#include "levels.h"
#include "settings.h"
#include "fe-common/core/printtext.h"
#include "fe-common/core/fe-channels.h"
+#include "fe-common/core/keyboard.h"
+#include "fe-common/silc/module-formats.h"
-#define SILC_CLIENT_PUBLIC_KEY_NAME "public_key.pub"
-#define SILC_CLIENT_PRIVATE_KEY_NAME "private_key.prv"
-
-#define SILC_CLIENT_DEF_PKCS "rsa"
-#define SILC_CLIENT_DEF_PKCS_LEN 1024
-
-SilcClient silc_client;
-const char *silc_version_string = SILC_PROTOCOL_VERSION_STRING;
+/* Command line option variables */
+static bool opt_create_keypair = FALSE;
+static bool opt_debug = FALSE;
+static char *opt_pkcs = NULL;
+static char *opt_keyfile = NULL;
+static int opt_bits = 0;
static int idletag;
+SilcClient silc_client = NULL;
+SilcClientConfig silc_config = NULL;
extern SilcClientOperations ops;
+extern int silc_debug;
+#ifdef SILC_SIM
+/* SIM (SILC Module) table */
+SilcSimContext **sims = NULL;
+uint32 sims_count = 0;
+#endif
+
+static void silc_say(SilcClient client, SilcClientConnection conn,
+ char *msg, ...);
+static void
+silc_channel_message(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry sender, SilcChannelEntry channel,
+ SilcMessageFlags flags, char *msg);
+static void
+silc_private_message(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry sender, SilcMessageFlags flags,
+ char *msg);
+static void silc_notify(SilcClient client, SilcClientConnection conn,
+ SilcNotifyType type, ...);
+static void
+silc_connect(SilcClient client, SilcClientConnection conn, int success);
+static void
+silc_disconnect(SilcClient client, SilcClientConnection conn);
+static void
+silc_command(SilcClient client, SilcClientConnection conn,
+ SilcClientCommandContext cmd_context, int success,
+ SilcCommand command);
+static void
+silc_command_reply(SilcClient client, SilcClientConnection conn,
+ SilcCommandPayload cmd_payload, int success,
+ SilcCommand command, SilcCommandStatus status, ...);
+static void
+silc_verify_public_key_internal(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ uint32 pk_len, SilcSKEPKType pk_type,
+ SilcVerifyPublicKey completion, void *context);
+static void
+silc_verify_public_key(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ uint32 pk_len, SilcSKEPKType pk_type,
+ SilcVerifyPublicKey completion, void *context);
+static void silc_ask_passphrase(SilcClient client, SilcClientConnection conn,
+ SilcAskPassphrase completion, void *context);
+static int
+silc_get_auth_method(SilcClient client, SilcClientConnection conn,
+ char *hostname, uint16 port,
+ SilcProtocolAuthMeth *auth_meth,
+ unsigned char **auth_data,
+ uint32 *auth_data_len);
+static void
+silc_failure(SilcClient client, SilcClientConnection conn,
+ SilcProtocol protocol, void *failure);
+static int
+silc_key_agreement(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry client_entry, char *hostname,
+ int port,
+ SilcKeyAgreementCallback *completion,
+ void **context);
static void silc_say(SilcClient client, SilcClientConnection conn,
char *msg, ...)
{
- SILC_SERVER_REC *server;
- va_list va;
- char *str;
+ SILC_SERVER_REC *server;
+ va_list va;
+ char *str;
+
+ server = conn == NULL ? NULL : conn->context;
+
+ va_start(va, msg);
+ str = g_strdup_vprintf(msg, va);
+ printtext(server, NULL, MSGLEVEL_CRAP, "%s", str);
+ g_free(str);
+ va_end(va);
+}
- server = conn == NULL ? NULL : conn->context;
+static void silc_say_error(char *msg, ...)
+{
+ va_list va;
+ char *str;
- va_start(va, msg);
- str = g_strdup_vprintf(msg, va);
- printtext(server, "#silc", MSGLEVEL_CRAP, "%s", str);
- g_free(str);
- va_end(va);
+ va_start(va, msg);
+ str = g_strdup_vprintf(msg, va);
+ printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "%s", str);
+
+ g_free(str);
+ va_end(va);
}
-static void silc_channel_message(SilcClient c, SilcClientConnection conn,
- SilcClientEntry client,
- SilcChannelEntry channel, char *msg)
+/* Message for a channel. The `sender' is the nickname of the sender
+ received in the packet. The `channel_name' is the name of the channel. */
+
+static void
+silc_channel_message(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry sender, SilcChannelEntry channel,
+ SilcMessageFlags flags, char *msg)
{
- SILC_SERVER_REC *server;
- SILC_NICK_REC *nick;
- SILC_CHANNEL_REC *chanrec;
-
- server = conn == NULL ? NULL : conn->context;
- chanrec = silc_channel_find_entry(server, channel);
-
- nick = client == NULL ? NULL : silc_nicklist_find(chanrec, client);
- signal_emit("message public", 6, server, msg,
- nick == NULL ? "(unknown)" : nick->nick,
- nick == NULL ? NULL : nick->host,
- chanrec->name, nick);
+ SILC_SERVER_REC *server;
+ SILC_NICK_REC *nick;
+ SILC_CHANNEL_REC *chanrec;
+
+ server = conn == NULL ? NULL : conn->context;
+ chanrec = silc_channel_find_entry(server, channel);
+
+ nick = silc_nicklist_find(chanrec, sender);
+
+ if (flags & SILC_MESSAGE_FLAG_ACTION)
+ ;
+ else if (flags & SILC_MESSAGE_FLAG_NOTICE)
+ ;
+ else
+ signal_emit("message public", 6, server, msg,
+ nick == NULL ? "[<unknown>]" : nick->nick,
+ nick == NULL ? NULL : nick->host,
+ chanrec->name, nick);
}
-static void silc_private_message(SilcClient c, SilcClientConnection conn,
- SilcClientEntry client, char *msg)
-{
- SILC_SERVER_REC *server;
+/* Private message to the client. The `sender' is the nickname of the
+ sender received in the packet. */
- server = conn == NULL ? NULL : conn->context;
- signal_emit("message private", 4, server, msg,
- client == NULL ? "(unknown)" : client->nickname,
- client == NULL ? NULL : client->username);
+static void
+silc_private_message(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry sender, SilcMessageFlags flags,
+ char *msg)
+{
+ SILC_SERVER_REC *server;
+
+ server = conn == NULL ? NULL : conn->context;
+ signal_emit("message private", 4, server, msg,
+ sender->nickname ? sender->nickname : "[<unknown>]",
+ sender->username ? sender->username : NULL);
}
+/* Notify message to the client. The notify arguments are sent in the
+ same order as servers sends them. The arguments are same as received
+ from the server except for ID's. If ID is received application receives
+ the corresponding entry to the ID. For example, if Client ID is received
+ application receives SilcClientEntry. Also, if the notify type is
+ for channel the channel entry is sent to application (even if server
+ does not send it). */
+
typedef struct {
- int type;
- const char *name;
+ int type;
+ const char *name;
} NOTIFY_REC;
#define MAX_NOTIFY (sizeof(notifies)/sizeof(notifies[0]))
static NOTIFY_REC notifies[] = {
- { SILC_NOTIFY_TYPE_NONE, NULL },
- { SILC_NOTIFY_TYPE_INVITE, "invite" },
- { SILC_NOTIFY_TYPE_JOIN, "join" },
- { SILC_NOTIFY_TYPE_LEAVE, "leave" },
- { SILC_NOTIFY_TYPE_SIGNOFF, "signoff" },
- { SILC_NOTIFY_TYPE_TOPIC_SET, "topic" },
- { SILC_NOTIFY_TYPE_NICK_CHANGE, "nick" },
- { SILC_NOTIFY_TYPE_CMODE_CHANGE, "cmode" },
- { SILC_NOTIFY_TYPE_CUMODE_CHANGE, "cumode" },
- { SILC_NOTIFY_TYPE_MOTD, "motd" }
+ { SILC_NOTIFY_TYPE_NONE, NULL },
+ { SILC_NOTIFY_TYPE_INVITE, "invite" },
+ { SILC_NOTIFY_TYPE_JOIN, "join" },
+ { SILC_NOTIFY_TYPE_LEAVE, "leave" },
+ { SILC_NOTIFY_TYPE_SIGNOFF, "signoff" },
+ { SILC_NOTIFY_TYPE_TOPIC_SET, "topic" },
+ { SILC_NOTIFY_TYPE_NICK_CHANGE, "nick" },
+ { SILC_NOTIFY_TYPE_CMODE_CHANGE, "cmode" },
+ { SILC_NOTIFY_TYPE_CUMODE_CHANGE, "cumode" },
+ { SILC_NOTIFY_TYPE_MOTD, "motd" },
+ { SILC_NOTIFY_TYPE_CHANNEL_CHANGE, "channel_change" },
+ { SILC_NOTIFY_TYPE_SERVER_SIGNOFF, "server_signoff" },
+ { SILC_NOTIFY_TYPE_KICKED, "kick" },
+ { SILC_NOTIFY_TYPE_KILLED, "kill" },
+ { SILC_NOTIFY_TYPE_UMODE_CHANGE, "umode" },
+ { SILC_NOTIFY_TYPE_BAN, "ban" },
};
static void silc_notify(SilcClient client, SilcClientConnection conn,
- SilcNotifyType type, ...)
+ SilcNotifyType type, ...)
{
- SILC_SERVER_REC *server;
- va_list va;
-
- server = conn == NULL ? NULL : conn->context;
- va_start(va, type);
-
- if (type == SILC_NOTIFY_TYPE_NONE) {
- /* some generic notice from server */
- printtext(server, NULL, MSGLEVEL_CRAP, "%s",
- (char *) va_arg(va, char *));
- } else if (type < MAX_NOTIFY) {
- /* send signal about the notify event */
- char signal[50];
-
- g_snprintf(signal, sizeof(signal), "silc event %s",
- notifies[type].name);
- signal_emit(signal, 2, server, va);
- } else {
- /* unknown notify */
- printtext(server, NULL, MSGLEVEL_CRAP,
- "Unknown notify %d", type);
- }
- va_end(va);
+ SILC_SERVER_REC *server;
+ va_list va;
+
+ server = conn == NULL ? NULL : conn->context;
+ va_start(va, type);
+
+ if (type == SILC_NOTIFY_TYPE_NONE) {
+ /* Some generic notice from server */
+ printtext(server, NULL, MSGLEVEL_CRAP, "%s", (char *)va_arg(va, char *));
+ } else if (type < MAX_NOTIFY) {
+ /* Send signal about the notify event */
+ char signal[50];
+ g_snprintf(signal, sizeof(signal), "silc event %s", notifies[type].name);
+ signal_emit(signal, 2, server, va);
+ } else {
+ /* Unknown notify */
+ printtext(server, NULL, MSGLEVEL_CRAP, "Unknown notify type %d", type);
+ }
+
+ va_end(va);
}
-static void silc_connect(SilcClient client, SilcClientConnection conn, int success)
-{
- SILC_SERVER_REC *server = conn->context;
+/* Called to indicate that connection was either successfully established
+ or connecting failed. This is also the first time application receives
+ the SilcClientConnection objecet which it should save somewhere. */
- if (success) {
- server->connected = TRUE;
- signal_emit("event connected", 1, server);
- } else {
- server->connection_lost = TRUE;
- server->conn->context = NULL;
- server_disconnect(SERVER(server));
- }
+static void
+silc_connect(SilcClient client, SilcClientConnection conn, int success)
+{
+ SILC_SERVER_REC *server = conn->context;
+
+ if (success) {
+ server->connected = TRUE;
+ signal_emit("event connected", 1, server);
+ } else {
+ server->connection_lost = TRUE;
+ server->conn->context = NULL;
+ server_disconnect(SERVER(server));
+ }
}
-static void silc_disconnect(SilcClient client, SilcClientConnection conn)
+/* Called to indicate that connection was disconnected to the server. */
+
+static void
+silc_disconnect(SilcClient client, SilcClientConnection conn)
{
- SILC_SERVER_REC *server = conn->context;
+ SILC_SERVER_REC *server = conn->context;
- server->conn->context = NULL;
- server->conn = NULL;
- server->connection_lost = TRUE;
- server_disconnect(SERVER(server));
+ server->conn->context = NULL;
+ server->conn = NULL;
+ server->connection_lost = TRUE;
+ server_disconnect(SERVER(server));
}
-static void silc_command(SilcClient client, SilcClientConnection conn,
- SilcClientCommandContext cmd_context, int success,
- SilcCommand command)
+/* Command handler. This function is called always in the command function.
+ If error occurs it will be called as well. `conn' is the associated
+ client connection. `cmd_context' is the command context that was
+ originally sent to the command. `success' is FALSE if error occured
+ during command. `command' is the command being processed. It must be
+ noted that this is not reply from server. This is merely called just
+ after application has called the command. Just to tell application
+ that the command really was processed. */
+
+static void
+silc_command(SilcClient client, SilcClientConnection conn,
+ SilcClientCommandContext cmd_context, int success,
+ SilcCommand command)
{
}
-static void silc_command_reply(SilcClient client, SilcClientConnection conn,
- SilcCommandPayload cmd_payload, int success,
- SilcCommand command,
- SilcCommandStatus status, ...)
+/* Client info resolving callback when JOIN command reply is received.
+ This will cache all users on the channel. */
+
+void silc_client_join_get_users(SilcClient client,
+ SilcClientConnection conn,
+ SilcClientEntry *clients,
+ uint32 clients_count,
+ void *context)
{
- SILC_SERVER_REC *server = conn->context;
- SILC_CHANNEL_REC *chanrec;
- va_list va;
-
- va_start(va, status);
-
- /*g_snprintf(signal, sizeof(signal), "silc command reply %s",
- silc_commands[type]);
- signal_emit(signal, 2, server, va);*/
-
- switch(command) {
- case SILC_COMMAND_JOIN: {
- char *channel, *mode;
-
- channel = va_arg(va, char *);
- (void)va_arg(va, SilcChannelEntry);
- mode = silc_client_chmode(va_arg(va, unsigned int));
-
- chanrec = silc_channel_find(server, channel);
- if (chanrec != NULL && !success)
- channel_destroy(CHANNEL(chanrec));
- else if (chanrec == NULL && success)
- chanrec = silc_channel_create(server, channel, TRUE);
-
- g_free_not_null(chanrec->mode);
- chanrec->mode = g_strdup(mode == NULL ? "" : mode);
- signal_emit("channel mode changed", 1, chanrec);
- break;
- }
- case SILC_COMMAND_NICK: {
- SilcClientEntry client = va_arg(va, SilcClientEntry);
- char *old;
-
- old = g_strdup(server->nick);
- server_change_nick(SERVER(server), client->nickname);
- nicklist_rename_unique(SERVER(server),
- server->conn->local_entry, server->nick,
- client, client->nickname);
-
- signal_emit("message own_nick", 4,
- server, server->nick, old, "");
- g_free(old);
- break;
+ SilcChannelEntry channel = (SilcChannelEntry)context;
+ SilcChannelUser chu;
+ SILC_SERVER_REC *server = conn->context;
+ SILC_CHANNEL_REC *chanrec;
+ SilcClientEntry founder = NULL;
+ NICK_REC *ownnick;
+
+ if (!clients)
+ return;
+
+ chanrec = silc_channel_find(server, channel->channel_name);
+ if (chanrec == NULL)
+ return;
+
+ silc_list_start(channel->clients);
+ while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
+ if (chu->mode & SILC_CHANNEL_UMODE_CHANFO)
+ founder = chu->client;
+ silc_nicklist_insert(chanrec, chu, FALSE);
+ }
+
+ ownnick = NICK(silc_nicklist_find(chanrec, conn->local_entry));
+ nicklist_set_own(CHANNEL(chanrec), ownnick);
+ signal_emit("channel joined", 1, chanrec);
+
+ if (chanrec->topic)
+ printformat_module("fe-common/silc", server, channel->channel_name,
+ MSGLEVEL_CRAP, SILCTXT_CHANNEL_TOPIC,
+ channel->channel_name, chanrec->topic);
+
+ fe_channels_nicklist(CHANNEL(chanrec), CHANNEL_NICKLIST_FLAG_ALL);
+
+ if (founder) {
+ if (founder == conn->local_entry)
+ printformat_module("fe-common/silc",
+ server, channel->channel_name, MSGLEVEL_CRAP,
+ SILCTXT_CHANNEL_FOUNDER_YOU,
+ channel->channel_name);
+ else
+ printformat_module("fe-common/silc",
+ server, channel->channel_name, MSGLEVEL_CRAP,
+ SILCTXT_CHANNEL_FOUNDER,
+ channel->channel_name, founder->nickname);
+ }
+}
+
+/* Command reply handler. This function is called always in the command reply
+ function. If error occurs it will be called as well. Normal scenario
+ is that it will be called after the received command data has been parsed
+ and processed. The function is used to pass the received command data to
+ the application.
+
+ `conn' is the associated client connection. `cmd_payload' is the command
+ payload data received from server and it can be ignored. It is provided
+ if the application would like to re-parse the received command data,
+ however, it must be noted that the data is parsed already by the library
+ thus the payload can be ignored. `success' is FALSE if error occured.
+ In this case arguments are not sent to the application. `command' is the
+ command reply being processed. The function has variable argument list
+ and each command defines the number and type of arguments it passes to the
+ application (on error they are not sent). */
+
+static void
+silc_command_reply(SilcClient client, SilcClientConnection conn,
+ SilcCommandPayload cmd_payload, int success,
+ SilcCommand command, SilcCommandStatus status, ...)
+
+{
+ SILC_SERVER_REC *server = conn->context;
+ SILC_CHANNEL_REC *chanrec;
+ va_list vp;
+
+ va_start(vp, status);
+
+ switch(command) {
+ case SILC_COMMAND_WHOIS:
+ {
+ char buf[1024], *nickname, *username, *realname;
+ int len;
+ uint32 idle, mode;
+ SilcBuffer channels;
+
+ /* XXX should use irssi routines */
+
+ if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
+ status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+ char *tmp;
+ tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
+ 3, NULL);
+ if (tmp)
+ client->ops->say(client, conn, "%s: %s", tmp,
+ silc_client_command_status_message(status));
+ else
+ client->ops->say(client, conn, "%s",
+ silc_client_command_status_message(status));
+ break;
+ }
+
+ if (!success)
+ return;
+
+ (void)va_arg(vp, SilcClientEntry);
+ nickname = va_arg(vp, char *);
+ username = va_arg(vp, char *);
+ realname = va_arg(vp, char *);
+ channels = va_arg(vp, SilcBuffer);
+ mode = va_arg(vp, uint32);
+ idle = va_arg(vp, uint32);
+
+ memset(buf, 0, sizeof(buf));
+
+ if (nickname) {
+ len = strlen(nickname);
+ strncat(buf, nickname, len);
+ strncat(buf, " is ", 4);
+ }
+
+ if (username) {
+ strncat(buf, username, strlen(username));
+ }
+
+ if (realname) {
+ strncat(buf, " (", 2);
+ strncat(buf, realname, strlen(realname));
+ strncat(buf, ")", 1);
+ }
+
+ client->ops->say(client, conn, "%s", buf);
+
+ if (channels) {
+ SilcDList list = silc_channel_payload_parse_list(channels);
+ if (list) {
+ SilcChannelPayload entry;
+
+ memset(buf, 0, sizeof(buf));
+ strcat(buf, "on channels: ");
+
+ silc_dlist_start(list);
+ while ((entry = silc_dlist_get(list)) != SILC_LIST_END) {
+ char *m = silc_client_chumode_char(silc_channel_get_mode(entry));
+ uint32 name_len;
+ char *name = silc_channel_get_name(entry, &name_len);
+
+ if (m)
+ strncat(buf, m, strlen(m));
+ strncat(buf, name, name_len);
+ strncat(buf, " ", 1);
+ silc_free(m);
+ }
+
+ client->ops->say(client, conn, "%s", buf);
+ silc_channel_payload_list_free(list);
}
- case SILC_COMMAND_USERS: {
- SilcChannelEntry channel;
- SilcChannelUser user;
- NICK_REC *ownnick;
-
- channel = va_arg(va, SilcChannelEntry);
- chanrec = silc_channel_find_entry(server, channel);
- if (chanrec == NULL)
- break;
-
- silc_list_start(channel->clients);
- while ((user = silc_list_get(channel->clients)) != NULL)
- silc_nicklist_insert(chanrec, user, FALSE);
-
- ownnick = NICK(silc_nicklist_find(chanrec, conn->local_entry));
- nicklist_set_own(CHANNEL(chanrec), ownnick);
- signal_emit("channel joined", 1, chanrec);
- fe_channels_nicklist(CHANNEL(chanrec),
- CHANNEL_NICKLIST_FLAG_ALL);
- break;
+ }
+
+ if (mode) {
+ if ((mode & SILC_UMODE_SERVER_OPERATOR) ||
+ (mode & SILC_UMODE_ROUTER_OPERATOR))
+ client->ops->say(client, conn, "%s is %s", nickname,
+ (mode & SILC_UMODE_SERVER_OPERATOR) ?
+ "Server Operator" :
+ (mode & SILC_UMODE_ROUTER_OPERATOR) ?
+ "SILC Operator" : "[Unknown mode]");
+
+ if (mode & SILC_UMODE_GONE)
+ client->ops->say(client, conn, "%s is gone", nickname);
+ }
+
+ if (idle && nickname)
+ client->ops->say(client, conn, "%s has been idle %d %s",
+ nickname,
+ idle > 60 ? (idle / 60) : idle,
+ idle > 60 ? "minutes" : "seconds");
+ }
+ break;
+
+ case SILC_COMMAND_WHOWAS:
+ {
+ char buf[1024], *nickname, *username, *realname;
+ int len;
+
+ /* XXX should use irssi routines */
+
+ if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
+ status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+ char *tmp;
+ tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
+ 3, NULL);
+ if (tmp)
+ client->ops->say(client, conn, "%s: %s", tmp,
+ silc_client_command_status_message(status));
+ else
+ client->ops->say(client, conn, "%s",
+ silc_client_command_status_message(status));
+ break;
+ }
+
+ if (!success)
+ return;
+
+ (void)va_arg(vp, SilcClientEntry);
+ nickname = va_arg(vp, char *);
+ username = va_arg(vp, char *);
+ realname = va_arg(vp, char *);
+
+ memset(buf, 0, sizeof(buf));
+
+ if (nickname) {
+ len = strlen(nickname);
+ strncat(buf, nickname, len);
+ strncat(buf, " was ", 5);
+ }
+
+ if (username) {
+ strncat(buf, username, strlen(nickname));
+ }
+
+ if (realname) {
+ strncat(buf, " (", 2);
+ strncat(buf, realname, strlen(realname));
+ strncat(buf, ")", 1);
+ }
+
+ client->ops->say(client, conn, "%s", buf);
+ }
+ break;
+
+ case SILC_COMMAND_INVITE:
+ {
+ SilcChannelEntry channel;
+ char *invite_list;
+
+ if (!success)
+ return;
+
+ /* XXX should use irssi routines */
+
+ channel = va_arg(vp, SilcChannelEntry);
+ invite_list = va_arg(vp, char *);
+
+ if (invite_list)
+ silc_say(client, conn, "%s invite list: %s", channel->channel_name,
+ invite_list);
+ else
+ silc_say(client, conn, "%s invite list not set",
+ channel->channel_name);
+ }
+ break;
+
+ case SILC_COMMAND_JOIN:
+ {
+ char *channel, *mode, *topic;
+ uint32 modei;
+ SilcChannelEntry channel_entry;
+ SilcBuffer client_id_list;
+ uint32 list_count;
+
+ channel = va_arg(vp, char *);
+ channel_entry = va_arg(vp, SilcChannelEntry);
+ modei = va_arg(vp, uint32);
+ (void)va_arg(vp, uint32);
+ (void)va_arg(vp, unsigned char *);
+ (void)va_arg(vp, unsigned char *);
+ (void)va_arg(vp, unsigned char *);
+ topic = va_arg(vp, char *);
+ (void)va_arg(vp, unsigned char *);
+ list_count = va_arg(vp, uint32);
+ client_id_list = va_arg(vp, SilcBuffer);
+
+ if (!success)
+ return;
+
+ chanrec = silc_channel_find(server, channel);
+ if (chanrec != NULL && !success)
+ channel_destroy(CHANNEL(chanrec));
+ else if (chanrec == NULL && success)
+ chanrec = silc_channel_create(server, channel, TRUE);
+
+ if (topic) {
+ g_free_not_null(chanrec->topic);
+ chanrec->topic = *topic == '\0' ? NULL : g_strdup(topic);
+ signal_emit("channel topic changed", 1, chanrec);
+ }
+
+ mode = silc_client_chmode(modei, channel_entry);
+ g_free_not_null(chanrec->mode);
+ chanrec->mode = g_strdup(mode == NULL ? "" : mode);
+ signal_emit("channel mode changed", 1, chanrec);
+
+ /* Resolve the client information */
+ silc_client_get_clients_by_list(client, conn, list_count, client_id_list,
+ silc_client_join_get_users,
+ channel_entry);
+ break;
+ }
+
+ case SILC_COMMAND_NICK:
+ {
+ SilcClientEntry client = va_arg(vp, SilcClientEntry);
+ char *old;
+
+ if (!success)
+ return;
+
+ old = g_strdup(server->nick);
+ server_change_nick(SERVER(server), client->nickname);
+ nicklist_rename_unique(SERVER(server),
+ server->conn->local_entry, server->nick,
+ client, client->nickname);
+
+ signal_emit("message own_nick", 4, server, server->nick, old, "");
+ g_free(old);
+ break;
+ }
+
+ case SILC_COMMAND_LIST:
+ {
+ char *topic, *name;
+ int usercount;
+ unsigned char buf[256], tmp[16];
+ int i, len;
+
+ if (!success)
+ return;
+
+ /* XXX should use irssi routines */
+
+ (void)va_arg(vp, SilcChannelEntry);
+ name = va_arg(vp, char *);
+ topic = va_arg(vp, char *);
+ usercount = va_arg(vp, int);
+
+ if (status == SILC_STATUS_LIST_START ||
+ status == SILC_STATUS_OK)
+ silc_say(client, conn,
+ " Channel Users Topic");
+
+ memset(buf, 0, sizeof(buf));
+ strncat(buf, " ", 2);
+ len = strlen(name);
+ strncat(buf, name, len > 40 ? 40 : len);
+ if (len < 40)
+ for (i = 0; i < 40 - len; i++)
+ strcat(buf, " ");
+ strcat(buf, " ");
+
+ memset(tmp, 0, sizeof(tmp));
+ if (usercount) {
+ snprintf(tmp, sizeof(tmp), "%d", usercount);
+ strcat(buf, tmp);
+ }
+ len = strlen(tmp);
+ if (len < 10)
+ for (i = 0; i < 10 - len; i++)
+ strcat(buf, " ");
+ strcat(buf, " ");
+
+ if (topic) {
+ len = strlen(topic);
+ strncat(buf, topic, len);
+ }
+
+ silc_say(client, conn, "%s", buf);
+ }
+ break;
+
+ case SILC_COMMAND_UMODE:
+ {
+ uint32 mode;
+
+ if (!success)
+ return;
+
+ mode = va_arg(vp, uint32);
+
+ /* XXX todo */
+ }
+ break;
+
+ case SILC_COMMAND_OPER:
+#if 0
+ if (status == SILC_STATUS_OK) {
+ conn->local_entry->mode |= SILC_UMODE_SERVER_OPERATOR;
+ if (app->screen->bottom_line->umode)
+ silc_free(app->screen->bottom_line->umode);
+ app->screen->bottom_line->umode = strdup("Server Operator");;
+ silc_screen_print_bottom_line(app->screen, 0);
+ }
+#endif
+ break;
+
+ case SILC_COMMAND_SILCOPER:
+#if 0
+ if (status == SILC_STATUS_OK) {
+ conn->local_entry->mode |= SILC_UMODE_ROUTER_OPERATOR;
+ if (app->screen->bottom_line->umode)
+ silc_free(app->screen->bottom_line->umode);
+ app->screen->bottom_line->umode = strdup("SILC Operator");;
+ silc_screen_print_bottom_line(app->screen, 0);
+ }
+#endif
+ break;
+
+ case SILC_COMMAND_USERS:
+ {
+ SilcChannelEntry channel;
+ SilcChannelUser chu;
+ int line_len;
+ char *line;
+
+ if (!success)
+ return;
+
+ channel = va_arg(vp, SilcChannelEntry);
+
+ /* There are two ways to do this, either parse the list (that
+ the command_reply sends (just take it with va_arg()) or just
+ traverse the channel's client list. I'll do the latter. See
+ JOIN command reply for example for the list. */
+
+ silc_say(client, conn, "Users on %s", channel->channel_name);
+
+ line = silc_calloc(1024, sizeof(*line));
+ line_len = 1024;
+ silc_list_start(channel->clients);
+ while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
+ SilcClientEntry e = chu->client;
+ int i, len1;
+ char *m, tmp[80];
+
+ memset(line, 0, line_len);
+
+ if (strlen(e->nickname) + strlen(e->server) + 100 > line_len) {
+ silc_free(line);
+ line_len += strlen(e->nickname) + strlen(e->server) + 100;
+ line = silc_calloc(line_len, sizeof(*line));
}
+
+ memset(tmp, 0, sizeof(tmp));
+ m = silc_client_chumode_char(chu->mode);
+
+ strncat(line, " ", 1);
+ strncat(line, e->nickname, strlen(e->nickname));
+ strncat(line, e->server ? "@" : "", 1);
+
+ len1 = 0;
+ if (e->server)
+ len1 = strlen(e->server);
+ strncat(line, e->server ? e->server : "", len1 > 30 ? 30 : len1);
+
+ len1 = strlen(line);
+ if (len1 >= 30) {
+ memset(&line[29], 0, len1 - 29);
+ } else {
+ for (i = 0; i < 30 - len1 - 1; i++)
+ strcat(line, " ");
}
-
- va_end(va);
+
+ if (e->mode & SILC_UMODE_GONE)
+ strcat(line, " G");
+ else
+ strcat(line, " H");
+ strcat(tmp, m ? m : "");
+ strncat(line, tmp, strlen(tmp));
+
+ if (strlen(tmp) < 5)
+ for (i = 0; i < 5 - strlen(tmp); i++)
+ strcat(line, " ");
+
+ strcat(line, e->username ? e->username : "");
+
+ silc_say(client, conn, "%s", line);
+
+ if (m)
+ silc_free(m);
+ }
+
+ silc_free(line);
+ }
+ break;
+
+ case SILC_COMMAND_BAN:
+ {
+ SilcChannelEntry channel;
+ char *ban_list;
+
+ if (!success)
+ return;
+
+ /* XXX should use irssi routines */
+
+ channel = va_arg(vp, SilcChannelEntry);
+ ban_list = va_arg(vp, char *);
+
+ if (ban_list)
+ silc_say(client, conn, "%s ban list: %s", channel->channel_name,
+ ban_list);
+ else
+ silc_say(client, conn, "%s ban list not set", channel->channel_name);
+ }
+ break;
+
+ case SILC_COMMAND_GETKEY:
+ {
+ SilcIdType id_type;
+ void *entry;
+ SilcPublicKey public_key;
+ unsigned char *pk;
+ uint32 pk_len;
+
+ id_type = va_arg(vp, uint32);
+ entry = va_arg(vp, void *);
+ public_key = va_arg(vp, SilcPublicKey);
+
+ pk = silc_pkcs_public_key_encode(public_key, &pk_len);
+
+ if (id_type == SILC_ID_CLIENT) {
+ silc_verify_public_key_internal(client, conn, SILC_SOCKET_TYPE_CLIENT,
+ pk, pk_len, SILC_SKE_PK_TYPE_SILC,
+ NULL, NULL);
+ }
+
+ silc_free(pk);
+ }
+
+ case SILC_COMMAND_TOPIC:
+ {
+ SilcChannelEntry channel;
+ char *topic;
+
+ if (!success)
+ return;
+
+ channel = va_arg(vp, SilcChannelEntry);
+ topic = va_arg(vp, char *);
+
+ /* XXX should use irssi routines */
+
+ if (topic)
+ silc_say(client, conn,
+ "Topic on channel %s: %s", channel->channel_name,
+ topic);
+ }
+ break;
+ }
+
+ va_end(vp);
}
-static int silc_verify_server_key(SilcClient client, SilcClientConnection conn,
- unsigned char *pk, unsigned int pk_len,
- SilcSKEPKType pk_type)
-{
- return TRUE;
-}
+/* Internal routine to verify public key. If the `completion' is provided
+ it will be called to indicate whether public was verified or not. */
-static unsigned char *silc_ask_passphrase(SilcClient client,
- SilcClientConnection conn)
+typedef struct {
+ SilcClient client;
+ SilcClientConnection conn;
+ char *filename;
+ char *entity;
+ unsigned char *pk;
+ uint32 pk_len;
+ SilcSKEPKType pk_type;
+ SilcVerifyPublicKey completion;
+ void *context;
+} *PublicKeyVerify;
+
+static void verify_public_key_completion(const char *line, void *context)
{
- return NULL;
+ PublicKeyVerify verify = (PublicKeyVerify)context;
+
+ if (line[0] == 'Y' || line[0] == 'y') {
+ /* Call the completion */
+ if (verify->completion)
+ verify->completion(TRUE, verify->context);
+
+ /* Save the key for future checking */
+ silc_pkcs_save_public_key_data(verify->filename, verify->pk,
+ verify->pk_len, SILC_PKCS_FILE_PEM);
+ } else {
+ /* Call the completion */
+ if (verify->completion)
+ verify->completion(FALSE, verify->context);
+
+ silc_say(verify->client,
+ verify->conn, "Will not accept the %s key", verify->entity);
+ }
+
+ silc_free(verify->filename);
+ silc_free(verify->entity);
+ silc_free(verify);
}
-static int silc_get_auth_method(SilcClient client, SilcClientConnection conn,
- char *hostname, unsigned short port,
- SilcProtocolAuthMeth *auth_meth,
- unsigned char **auth_data,
- unsigned int *auth_data_len)
+static void
+silc_verify_public_key_internal(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ uint32 pk_len, SilcSKEPKType pk_type,
+ SilcVerifyPublicKey completion, void *context)
{
- return FALSE;
+ int i;
+ char file[256], filename[256], *fingerprint;
+ struct passwd *pw;
+ struct stat st;
+ char *entity = ((conn_type == SILC_SOCKET_TYPE_SERVER ||
+ conn_type == SILC_SOCKET_TYPE_ROUTER) ?
+ "server" : "client");
+ PublicKeyVerify verify;
+
+ if (pk_type != SILC_SKE_PK_TYPE_SILC) {
+ silc_say(client, conn, "We don't support %s public key type %d",
+ entity, pk_type);
+ if (completion)
+ completion(FALSE, context);
+ return;
+ }
+
+ pw = getpwuid(getuid());
+ if (!pw) {
+ if (completion)
+ completion(FALSE, context);
+ return;
+ }
+
+ memset(filename, 0, sizeof(filename));
+ memset(file, 0, sizeof(file));
+
+ if (conn_type == SILC_SOCKET_TYPE_SERVER ||
+ conn_type == SILC_SOCKET_TYPE_ROUTER) {
+ snprintf(file, sizeof(file) - 1, "%skey_%s_%d.pub", entity,
+ conn->sock->hostname, conn->sock->port);
+ snprintf(filename, sizeof(filename) - 1, "%s/.silc/%skeys/%s",
+ pw->pw_dir, entity, file);
+ } else {
+ /* Replace all whitespaces with `_'. */
+ fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
+ for (i = 0; i < strlen(fingerprint); i++)
+ if (fingerprint[i] == ' ')
+ fingerprint[i] = '_';
+
+ snprintf(file, sizeof(file) - 1, "%skey_%s.pub", entity, fingerprint);
+ snprintf(filename, sizeof(filename) - 1, "%s/.silc/%skeys/%s",
+ pw->pw_dir, entity, file);
+ silc_free(fingerprint);
+ }
+
+ /* Take fingerprint of the public key */
+ fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
+
+ verify = silc_calloc(1, sizeof(*verify));
+ verify->client = client;
+ verify->conn = conn;
+ verify->filename = strdup(filename);
+ verify->entity = strdup(entity);
+ verify->pk = pk;
+ verify->pk_len = pk_len;
+ verify->pk_type = pk_type;
+ verify->completion = completion;
+ verify->context = context;
+
+ /* Check whether this key already exists */
+ if (stat(filename, &st) < 0) {
+ /* Key does not exist, ask user to verify the key and save it */
+
+ silc_say(client, conn, "Received %s public key", entity);
+ silc_say(client, conn, "Fingerprint for the %s key is", entity);
+ silc_say(client, conn, "%s", fingerprint);
+
+ keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
+ "Would you like to accept the key (y/n)? ", 0,
+ verify);
+ silc_free(fingerprint);
+ return;
+ } else {
+ /* The key already exists, verify it. */
+ SilcPublicKey public_key;
+ unsigned char *encpk;
+ uint32 encpk_len;
+
+ /* Load the key file */
+ if (!silc_pkcs_load_public_key(filename, &public_key,
+ SILC_PKCS_FILE_PEM))
+ if (!silc_pkcs_load_public_key(filename, &public_key,
+ SILC_PKCS_FILE_BIN)) {
+ silc_say(client, conn, "Received %s public key", entity);
+ silc_say(client, conn, "Fingerprint for the %s key is", entity);
+ silc_say(client, conn, "%s", fingerprint);
+ silc_say(client, conn, "Could not load your local copy of the %s key",
+ entity);
+ keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
+ "Would you like to accept the key "
+ "anyway (y/n)? ", 0,
+ verify);
+ silc_free(fingerprint);
+ return;
+ }
+
+ /* Encode the key data */
+ encpk = silc_pkcs_public_key_encode(public_key, &encpk_len);
+ if (!encpk) {
+ silc_say(client, conn, "Received %s public key", entity);
+ silc_say(client, conn, "Fingerprint for the %s key is", entity);
+ silc_say(client, conn, "%s", fingerprint);
+ silc_say(client, conn, "Your local copy of the %s key is malformed",
+ entity);
+ keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
+ "Would you like to accept the key "
+ "anyway (y/n)? ", 0,
+ verify);
+ silc_free(fingerprint);
+ return;
+ }
+
+ /* Compare the keys */
+ if (memcmp(encpk, pk, encpk_len)) {
+ silc_say(client, conn, "Received %s public key", entity);
+ silc_say(client, conn, "Fingerprint for the %s key is", entity);
+ silc_say(client, conn, "%s", fingerprint);
+ silc_say(client, conn, "%s key does not match with your local copy",
+ entity);
+ silc_say(client, conn,
+ "It is possible that the key has expired or changed");
+ silc_say(client, conn, "It is also possible that some one is performing "
+ "man-in-the-middle attack");
+
+ /* Ask user to verify the key and save it */
+ keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
+ "Would you like to accept the key "
+ "anyway (y/n)? ", 0,
+ verify);
+ silc_free(fingerprint);
+ return;
+ }
+
+ /* Local copy matched */
+ if (completion)
+ completion(TRUE, context);
+ silc_free(fingerprint);
+ }
}
-static void silc_failure(SilcClient client, SilcClientConnection conn,
- SilcProtocol protocol, void *failure)
-{
-}
+/* Verifies received public key. The `conn_type' indicates which entity
+ (server, client etc.) has sent the public key. If user decides to trust
+ the key may be saved as trusted public key for later use. The
+ `completion' must be called after the public key has been verified. */
-static int key_agreement(SilcClient client, SilcClientConnection conn,
- SilcClientEntry client_entry, char *hostname,
- int port)
+static void
+silc_verify_public_key(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ uint32 pk_len, SilcSKEPKType pk_type,
+ SilcVerifyPublicKey completion, void *context)
{
- return FALSE;
+ silc_verify_public_key_internal(client, conn, conn_type, pk,
+ pk_len, pk_type,
+ completion, context);
}
-SilcClientOperations ops = {
- silc_say,
- silc_channel_message,
- silc_private_message,
- silc_notify,
- silc_command,
- silc_command_reply,
- silc_connect,
- silc_disconnect,
- silc_get_auth_method,
- silc_verify_server_key,
- silc_ask_passphrase,
- silc_failure,
- key_agreement
-};
+/* Asks passphrase from user on the input line. */
-/* Loads public and private key from files. */
+typedef struct {
+ SilcAskPassphrase completion;
+ void *context;
+} *AskPassphrase;
-static void silc_client_create_key_pair(char *pkcs_name, int bits,
- char *identifier,
- SilcPublicKey *pub_key,
- SilcPrivateKey *prv_key)
+static void ask_passphrase_completion(const char *passphrase, void *context)
{
- SilcPKCS pkcs;
- SilcRng rng;
- unsigned char *key;
- unsigned int key_len;
-
- rng = silc_rng_alloc();
- silc_rng_init(rng);
- silc_rng_global_init(rng);
-
- silc_pkcs_alloc(pkcs_name, &pkcs);
- pkcs->pkcs->init(pkcs->context, bits, rng);
-
- /* Create public key */
- key = silc_pkcs_get_public_key(pkcs, &key_len);
- *pub_key = silc_pkcs_public_key_alloc(pkcs->pkcs->name, identifier,
- key, key_len);
-
- memset(key, 0, sizeof(key_len));
- silc_free(key);
-
- /* Create private key */
- key = silc_pkcs_get_private_key(pkcs, &key_len);
- *prv_key = silc_pkcs_private_key_alloc(pkcs->pkcs->name, key, key_len);
+ AskPassphrase p = (AskPassphrase)context;
+ p->completion((unsigned char *)passphrase,
+ passphrase ? strlen(passphrase) : 0, p->context);
+ silc_free(p);
+}
- memset(key, 0, sizeof(key_len));
- silc_free(key);
+static void silc_ask_passphrase(SilcClient client, SilcClientConnection conn,
+ SilcAskPassphrase completion, void *context)
+{
+ AskPassphrase p = silc_calloc(1, sizeof(*p));
+ p->completion = completion;
+ p->context = context;
- silc_rng_free(rng);
- silc_pkcs_free(pkcs);
+ keyboard_entry_redirect((SIGNAL_FUNC)ask_passphrase_completion,
+ "Passphrase: ", ENTRY_REDIRECT_FLAG_HIDDEN, p);
}
-static int read_keyfiles(SilcClient client, char *public_file,
- char *private_file)
+/* Find authentication method and authentication data by hostname and
+ port. The hostname may be IP address as well. The found authentication
+ method and authentication data is returned to `auth_meth', `auth_data'
+ and `auth_data_len'. The function returns TRUE if authentication method
+ is found and FALSE if not. `conn' may be NULL. */
+
+static int
+silc_get_auth_method(SilcClient client, SilcClientConnection conn,
+ char *hostname, uint16 port,
+ SilcProtocolAuthMeth *auth_meth,
+ unsigned char **auth_data,
+ uint32 *auth_data_len)
{
- struct stat statbuf;
- if (stat(public_file, &statbuf) != 0 ||
- stat(private_file, &statbuf) != 0)
- return FALSE;
+ /* XXX must resolve from configuration whether this connection has
+ any specific authentication data */
- if (!silc_pkcs_load_private_key(private_file, &client->private_key,
- SILC_PKCS_FILE_BIN) &&
- !silc_pkcs_load_private_key(private_file, &client->private_key,
- SILC_PKCS_FILE_PEM))
- return FALSE;
+ *auth_meth = SILC_AUTH_NONE;
+ *auth_data = NULL;
+ *auth_data_len = 0;
+
+ return TRUE;
+}
- if (!silc_pkcs_load_public_key(public_file, &client->public_key,
- SILC_PKCS_FILE_PEM) &&
- !silc_pkcs_load_public_key(public_file, &client->public_key,
- SILC_PKCS_FILE_BIN))
- return FALSE;
+/* Notifies application that failure packet was received. This is called
+ if there is some protocol active in the client. The `protocol' is the
+ protocol context. The `failure' is opaque pointer to the failure
+ indication. Note, that the `failure' is protocol dependant and application
+ must explicitly cast it to correct type. Usually `failure' is 32 bit
+ failure type (see protocol specs for all protocol failure types). */
- return TRUE;
+static void
+silc_failure(SilcClient client, SilcClientConnection conn,
+ SilcProtocol protocol, void *failure)
+{
+ if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_KEY_EXCHANGE) {
+ SilcSKEStatus status = (SilcSKEStatus)failure;
+
+ if (status == SILC_SKE_STATUS_BAD_VERSION)
+ silc_say_error("You are running incompatible client version (it may be "
+ "too old or too new)");
+ if (status == SILC_SKE_STATUS_UNSUPPORTED_PUBLIC_KEY)
+ silc_say_error("Server does not support your public key type");
+ if (status == SILC_SKE_STATUS_UNKNOWN_GROUP)
+ silc_say_error("Server does not support one of your proposed KE group");
+ if (status == SILC_SKE_STATUS_UNKNOWN_CIPHER)
+ silc_say_error("Server does not support one of your proposed cipher");
+ if (status == SILC_SKE_STATUS_UNKNOWN_PKCS)
+ silc_say_error("Server does not support one of your proposed PKCS");
+ if (status == SILC_SKE_STATUS_UNKNOWN_HASH_FUNCTION)
+ silc_say_error("Server does not support one of your proposed "
+ "hash function");
+ if (status == SILC_SKE_STATUS_UNKNOWN_HMAC)
+ silc_say_error("Server does not support one of your proposed HMAC");
+ if (status == SILC_SKE_STATUS_INCORRECT_SIGNATURE)
+ silc_say_error("Incorrect signature");
+ }
+
+ if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_CONNECTION_AUTH) {
+ uint32 err = (uint32)failure;
+
+ if (err == SILC_AUTH_FAILED)
+ silc_say(client, conn, "Authentication failed");
+ }
}
-static char *silc_create_identifier(SilcClient client)
+/* Asks whether the user would like to perform the key agreement protocol.
+ This is called after we have received an key agreement packet or an
+ reply to our key agreement packet. This returns TRUE if the user wants
+ the library to perform the key agreement protocol and FALSE if it is not
+ desired (application may start it later by calling the function
+ silc_client_perform_key_agreement). */
+
+static int
+silc_key_agreement(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry client_entry, char *hostname,
+ int port,
+ SilcKeyAgreementCallback *completion,
+ void **context)
{
- char hostname[256], *email, *ret;
+ char host[256];
- if (gethostname(hostname, sizeof(hostname)) != 0)
- hostname[0] = '\0';
+ /* We will just display the info on the screen and return FALSE and user
+ will have to start the key agreement with a command. */
- email = g_strdup_printf("%s@%s", client->username, hostname);
- ret = silc_pkcs_encode_identifier(client->username, hostname,
- client->realname, email,
- NULL, NULL);
- g_free(email);
- return ret;
-}
+ if (hostname) {
+ memset(host, 0, sizeof(host));
+ snprintf(host, sizeof(host) - 1, "(%s on port %d)", hostname, port);
+ }
-static int load_keys(SilcClient client)
-{
- char *public_file, *private_file;
- char *identifier;
-
- public_file = g_strdup_printf("%s/.irssi/%s", g_get_home_dir(),
- SILC_CLIENT_PUBLIC_KEY_NAME);
- private_file = g_strdup_printf("%s/.irssi/%s", g_get_home_dir(),
- SILC_CLIENT_PRIVATE_KEY_NAME);
-
- if (!read_keyfiles(client, public_file, private_file)) {
- /* couldn't read key files, recreate them */
- identifier = silc_create_identifier(client);
- silc_client_create_key_pair(SILC_CLIENT_DEF_PKCS,
- SILC_CLIENT_DEF_PKCS_LEN,
- identifier,
- &client->public_key,
- &client->private_key);
- silc_free(identifier);
-
- silc_pkcs_save_public_key(public_file, client->public_key,
- SILC_PKCS_FILE_PEM);
- silc_pkcs_save_private_key(private_file, client->private_key,
- NULL, SILC_PKCS_FILE_BIN);
- }
+ silc_say(client, conn, "%s wants to perform key agreement %s",
+ client_entry->nickname, hostname ? host : "");
+
+ *completion = NULL;
+ *context = NULL;
- g_free(public_file);
- g_free(private_file);
- return TRUE;
+ return FALSE;
}
+/* SILC client operations */
+SilcClientOperations ops = {
+ silc_say,
+ silc_channel_message,
+ silc_private_message,
+ silc_notify,
+ silc_command,
+ silc_command_reply,
+ silc_connect,
+ silc_disconnect,
+ silc_get_auth_method,
+ silc_verify_public_key,
+ silc_ask_passphrase,
+ silc_failure,
+ silc_key_agreement,
+};
+
static int my_silc_scheduler(void)
{
- silc_schedule_one(0);
- return 1;
+ silc_schedule_one(0);
+ return 1;
}
static CHATNET_REC *create_chatnet(void)
{
- return g_malloc0(sizeof(CHATNET_REC));
+ return g_malloc0(sizeof(CHATNET_REC));
}
static SERVER_SETUP_REC *create_server_setup(void)
{
- return g_malloc0(sizeof(SERVER_SETUP_REC));
+ return g_malloc0(sizeof(SERVER_SETUP_REC));
}
static CHANNEL_SETUP_REC *create_channel_setup(void)
{
- return g_malloc0(sizeof(CHANNEL_SETUP_REC));
+ return g_malloc0(sizeof(CHANNEL_SETUP_REC));
}
static SERVER_CONNECT_REC *create_server_connect(void)
{
- return g_malloc0(sizeof(SILC_SERVER_CONNECT_REC));
+ return g_malloc0(sizeof(SILC_SERVER_CONNECT_REC));
}
-/* Command line option variables */
-void silc_core_init(void)
+/* Checks user information and saves them to the config file it they
+ do not exist there already. */
+
+static void silc_init_userinfo(void)
{
- CHAT_PROTOCOL_REC *rec;
+ const char *set, *nick, *user_name;
+ char *str;
+
+ /* check if nick/username/realname wasn't read from setup.. */
+ set = settings_get_str("real_name");
+ if (set == NULL || *set == '\0') {
+ str = g_getenv("SILCNAME");
+ if (!str)
+ str = g_getenv("IRCNAME");
+ settings_set_str("real_name",
+ str != NULL ? str : g_get_real_name());
+ }
+
+ /* username */
+ user_name = settings_get_str("user_name");
+ if (user_name == NULL || *user_name == '\0') {
+ str = g_getenv("SILCUSER");
+ if (!str)
+ str = g_getenv("IRCUSER");
+ settings_set_str("user_name",
+ str != NULL ? str : g_get_user_name());
+
+ user_name = settings_get_str("user_name");
+ }
+
+ /* nick */
+ nick = settings_get_str("nick");
+ if (nick == NULL || *nick == '\0') {
+ str = g_getenv("SILCNICK");
+ if (!str)
+ str = g_getenv("IRCNICK");
+ settings_set_str("nick", str != NULL ? str : user_name);
+
+ nick = settings_get_str("nick");
+ }
+
+ /* alternate nick */
+ set = settings_get_str("alternate_nick");
+ if (set == NULL || *set == '\0') {
+ if (strlen(nick) < 9)
+ str = g_strconcat(nick, "_", NULL);
+ else {
+ str = g_strdup(nick);
+ str[strlen(str)-1] = '_';
+ }
+ settings_set_str("alternate_nick", str);
+ g_free(str);
+ }
+
+ /* host name */
+ set = settings_get_str("hostname");
+ if (set == NULL || *set == '\0') {
+ str = g_getenv("SILCHOST");
+ if (!str)
+ str = g_getenv("IRCHOST");
+ if (str != NULL)
+ settings_set_str("hostname", str);
+ }
+}
- silc_client = silc_client_alloc(&ops, NULL);
- silc_client->username = g_strdup(settings_get_str("user_name"));
- silc_client->hostname = silc_net_localhost();
- silc_client->realname = g_strdup(settings_get_str("real_name"));
+/* Log callbacks */
- if (!load_keys(silc_client)) {
- idletag = -1;
- return;
- }
-
- silc_client_init(silc_client);
+static void silc_log_info(char *message)
+{
+ fprintf(stderr, "%s\n", message);
+}
- rec = g_new0(CHAT_PROTOCOL_REC, 1);
- rec->name = "SILC";
- rec->fullname = "Secure Internet Live Conferencing";
- rec->chatnet = "silcnet";
+static void silc_log_warning(char *message)
+{
+ fprintf(stderr, "%s\n", message);
+}
- rec->create_chatnet = create_chatnet;
- rec->create_server_setup = create_server_setup;
- rec->create_channel_setup = create_channel_setup;
- rec->create_server_connect = create_server_connect;
+static void silc_log_error(char *message)
+{
+ fprintf(stderr, "%s\n", message);
+}
- rec->server_connect = (SERVER_REC *(*) (SERVER_CONNECT_REC *))
- silc_server_connect;
- rec->channel_create =
- (CHANNEL_REC *(*) (SERVER_REC *, const char *, int))
- silc_channel_create;
- rec->query_create =
- (QUERY_REC *(*) (const char *, const char *, int))
- silc_query_create;
+/* Init SILC. Called from src/fe-text/silc.c */
- chat_protocol_register(rec);
- g_free(rec);
+void silc_core_init(void)
+{
+ static struct poptOption options[] = {
+ { "create-key-pair", 'C', POPT_ARG_NONE, &opt_create_keypair, 0,
+ "Create new public key pair", NULL },
+ { "pkcs", 0, POPT_ARG_STRING, &opt_pkcs, 0,
+ "Set the PKCS of the public key pair", "PKCS" },
+ { "bits", 0, POPT_ARG_INT, &opt_bits, 0,
+ "Set the length of the public key pair", "VALUE" },
+ { "show-key", 'S', POPT_ARG_STRING, &opt_keyfile, 0,
+ "Show the contents of the public key", "FILE" },
+ { "debug", 'd', POPT_ARG_NONE, &opt_debug, 0,
+ "Enable debugging", NULL },
+ { NULL, '\0', 0, NULL }
+ };
+
+ args_register(options);
+}
- silc_server_init();
- silc_channels_init();
- silc_queries_init();
+/* Finalize init. Called from src/fe-text/silc.c */
- idletag = g_timeout_add(100, (GSourceFunc) my_silc_scheduler, NULL);
+void silc_core_init_finish(void)
+{
+ CHAT_PROTOCOL_REC *rec;
+
+ if (opt_create_keypair == TRUE) {
+ /* Create new key pair and exit */
+ silc_cipher_register_default();
+ silc_pkcs_register_default();
+ silc_hash_register_default();
+ silc_hmac_register_default();
+ silc_client_create_key_pair(opt_pkcs, opt_bits,
+ NULL, NULL, NULL, NULL, NULL);
+ exit(0);
+ }
+
+ if (opt_keyfile) {
+ /* Dump the key */
+ silc_cipher_register_default();
+ silc_pkcs_register_default();
+ silc_hash_register_default();
+ silc_hmac_register_default();
+ silc_client_show_key(opt_keyfile);
+ exit(0);
+ }
+
+ silc_debug = opt_debug;
+ silc_log_set_callbacks(silc_log_info, silc_log_warning,
+ silc_log_error, NULL);
+
+ /* Do some irssi initializing */
+ settings_add_bool("server", "skip_motd", FALSE);
+ settings_add_str("server", "alternate_nick", NULL);
+ silc_init_userinfo();
+
+ /* Allocate SILC client */
+ silc_client = silc_client_alloc(&ops, NULL);
+
+ /* Load local config file */
+ silc_config = silc_client_config_alloc(SILC_CLIENT_HOME_CONFIG_FILE);
+
+ /* Get user information */
+ silc_client->username = g_strdup(settings_get_str("user_name"));
+ silc_client->hostname = silc_net_localhost();
+ silc_client->realname = g_strdup(settings_get_str("real_name"));
+
+ /* Register all configured ciphers, PKCS and hash functions. */
+ if (silc_config) {
+ silc_config->client = silc_client;
+ if (!silc_client_config_register_ciphers(silc_config))
+ silc_cipher_register_default();
+ if (!silc_client_config_register_pkcs(silc_config))
+ silc_pkcs_register_default();
+ if (!silc_client_config_register_hashfuncs(silc_config))
+ silc_hash_register_default();
+ if (!silc_client_config_register_hmacs(silc_config))
+ silc_hmac_register_default();
+ } else {
+ /* Register default ciphers, pkcs, hash funtions and hmacs. */
+ silc_cipher_register_default();
+ silc_pkcs_register_default();
+ silc_hash_register_default();
+ silc_hmac_register_default();
+ }
+
+ /* Check ~/.silc directory and public and private keys */
+ if (silc_client_check_silc_dir() == FALSE) {
+ idletag = -1;
+ return;
+ }
+
+ /* Load public and private key */
+ if (silc_client_load_keys(silc_client) == FALSE) {
+ idletag = -1;
+ return;
+ }
+
+ /* Initialize the SILC client */
+ if (!silc_client_init(silc_client)) {
+ idletag = -1;
+ return;
+ }
+
+ /* Register SILC to the irssi */
+ rec = g_new0(CHAT_PROTOCOL_REC, 1);
+ rec->name = "SILC";
+ rec->fullname = "Secure Internet Live Conferencing";
+ rec->chatnet = "silcnet";
+ rec->create_chatnet = create_chatnet;
+ rec->create_server_setup = create_server_setup;
+ rec->create_channel_setup = create_channel_setup;
+ rec->create_server_connect = create_server_connect;
+ rec->server_connect = (SERVER_REC *(*) (SERVER_CONNECT_REC *))
+ silc_server_connect;
+ rec->channel_create = (CHANNEL_REC *(*) (SERVER_REC *, const char *, int))
+ silc_channel_create;
+ rec->query_create = (QUERY_REC *(*) (const char *, const char *, int))
+ silc_query_create;
+
+ chat_protocol_register(rec);
+ g_free(rec);
+
+ silc_server_init();
+ silc_channels_init();
+ silc_queries_init();
+
+ idletag = g_timeout_add(50, (GSourceFunc) my_silc_scheduler, NULL);
}
+/* Deinit SILC. Called from src/fe-text/silc.c */
+
void silc_core_deinit(void)
{
- if (idletag != -1) {
- signal_emit("chat protocol deinit", 1,
- chat_protocol_find("SILC"));
-
- silc_server_deinit();
- silc_channels_deinit();
- silc_queries_deinit();
-
- chat_protocol_unregister("SILC");
-
- g_source_remove(idletag);
- }
-
- g_free(silc_client->username);
- g_free(silc_client->realname);
- silc_client_free(silc_client);
+ if (idletag != -1) {
+ signal_emit("chat protocol deinit", 1,
+ chat_protocol_find("SILC"));
+
+ silc_server_deinit();
+ silc_channels_deinit();
+ silc_queries_deinit();
+
+ chat_protocol_unregister("SILC");
+
+ g_source_remove(idletag);
+ }
+
+ g_free(silc_client->username);
+ g_free(silc_client->realname);
+ silc_client_free(silc_client);
}
projects / silc.git / blobdiff