#include "clientincludes.h"
+static bool
+silc_verify_public_key_internal(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ SilcUInt32 pk_len, SilcSKEPKType pk_type)
+{
+ 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");
+
+ if (pk_type != SILC_SKE_PK_TYPE_SILC) {
+ silc_say(client, conn, "We don't support %s public key type %d",
+ entity, pk_type);
+ return FALSE;
+ }
+
+ pw = getpwuid(getuid());
+ if (!pw)
+ return FALSE;
+
+ 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);
+
+ /* Check whether this key already exists */
+ if (stat(filename, &st) < 0) {
+
+ 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);
+
+ /* Ask user to verify the key and save it */
+ if (silc_client_ask_yes_no(client,
+ "Would you like to accept the key (y/n)? "))
+ {
+ /* Save the key for future checking */
+ silc_pkcs_save_public_key_data(filename, pk, pk_len,
+ SILC_PKCS_FILE_PEM);
+ silc_free(fingerprint);
+ return TRUE;
+ }
+ } else {
+ /* The key already exists, verify it. */
+ SilcPublicKey public_key;
+ unsigned char *encpk;
+ SilcUInt32 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);
+ if (silc_client_ask_yes_no(client,
+ "Would you like to accept the key anyway (y/n)? "))
+ {
+ /* Save the key for future checking */
+ unlink(filename);
+ silc_pkcs_save_public_key_data(filename, pk, pk_len,
+ SILC_PKCS_FILE_PEM);
+ silc_free(fingerprint);
+ return TRUE;
+ }
+
+ silc_free(fingerprint);
+ return FALSE;
+ }
+
+ /* 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);
+ if (silc_client_ask_yes_no(client,
+ "Would you like to accept the key anyway (y/n)? "))
+ {
+ /* Save the key for future checking */
+ unlink(filename);
+ silc_pkcs_save_public_key_data(filename, pk, pk_len,
+ SILC_PKCS_FILE_PEM);
+ silc_free(fingerprint);
+ return TRUE;
+ }
+
+ silc_free(fingerprint);
+ return FALSE;
+ }
+
+ 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 */
+ if (silc_client_ask_yes_no(client,
+ "Would you like to accept the key anyway (y/n)? "))
+ {
+ /* Save the key for future checking */
+ unlink(filename);
+ silc_pkcs_save_public_key_data(filename, pk, pk_len,
+ SILC_PKCS_FILE_PEM);
+ silc_free(fingerprint);
+ return TRUE;
+ }
+
+ silc_say(client, conn, "Will not accept the %s key", entity);
+ silc_free(fingerprint);
+ return FALSE;
+ }
+
+ /* Local copy matched */
+ silc_free(fingerprint);
+ return TRUE;
+ }
+
+ silc_say(client, conn, "Will not accept the %s key", entity);
+ silc_free(fingerprint);
+ return FALSE;
+}
+
+void silc_say(SilcClient client, SilcClientConnection conn,
+ char *msg, ...)
+{
+ va_list vp;
+ char message[2048];
+ SilcClientInternal app = (SilcClientInternal)client->application;
+
+ memset(message, 0, sizeof(message));
+ strncat(message, "\n*** ", 5);
+
+ va_start(vp, msg);
+ vsprintf(message + 5, msg, vp);
+ va_end(vp);
+
+ /* Print the message */
+ silc_print_to_window(app->screen->output_win[0], message);
+}
+
/* Prints a message with three star (*) sign before the actual message
on the current output window. This is used to print command outputs
and error messages. */
-void silc_say(SilcClient client, SilcClientConnection conn,
- char *msg, ...)
+void silc_op_say(SilcClient client, SilcClientConnection conn,
+ SilcClientMessageType type, char *msg, ...)
{
va_list vp;
char message[2048];
received in the packet. The `channel_name' is the name of the channel. */
void silc_channel_message(SilcClient client, SilcClientConnection conn,
- SilcClientEntry sender, SilcChannelEntry channel
- , char *msg)
+ SilcClientEntry sender, SilcChannelEntry channel,
+ SilcMessageFlags flags, char *msg)
{
/* Message from client */
if (conn && !strcmp(conn->current_channel->channel_name,
channel->channel_name))
- silc_print(client, "<%s> %s", sender ? sender->nickname : "[<unknown>]",
- msg);
+ if (flags & SILC_MESSAGE_FLAG_ACTION)
+ silc_print(client, "* %s %s", sender ? sender->nickname : "[<unknown>]",
+ msg);
+ else if (flags & SILC_MESSAGE_FLAG_NOTICE)
+ silc_print(client, "- %s %s", sender ? sender->nickname : "[<unknown>]",
+ msg);
+ else
+ silc_print(client, "<%s> %s", sender ? sender->nickname : "[<unknown>]",
+ msg);
else
- silc_print(client, "<%s:%s> %s", sender ? sender->nickname : "[<unknown>]",
- channel->channel_name, msg);
+ if (flags & SILC_MESSAGE_FLAG_ACTION)
+ silc_print(client, "* %s:%s %s", sender ? sender->nickname :
+ "[<unknown>]",
+ channel->channel_name, msg);
+ else if (flags & SILC_MESSAGE_FLAG_NOTICE)
+ silc_print(client, "- %s:%s %s", sender ? sender->nickname :
+ "[<unknown>]",
+ channel->channel_name, msg);
+ else
+ silc_print(client, "<%s:%s> %s", sender ? sender->nickname :
+ "[<unknown>]",
+ channel->channel_name, msg);
}
/* Private message to the client. The `sender' is the nickname of the
sender received in the packet. */
void silc_private_message(SilcClient client, SilcClientConnection conn,
- SilcClientEntry sender, char *msg)
+ SilcClientEntry sender, SilcMessageFlags flags,
+ char *msg)
{
silc_print(client, "*%s* %s", sender->nickname, msg);
}
char message[4096];
SilcClientEntry client_entry, client_entry2;
SilcChannelEntry channel_entry;
- char *tmp;
- unsigned int tmp_int;
+ char *tmp = NULL;
+ SilcUInt32 tmp_int;
va_start(vp, type);
break;
case SILC_NOTIFY_TYPE_INVITE:
+ (void)va_arg(vp, SilcChannelEntry);
+ tmp = va_arg(vp, char *);
client_entry = va_arg(vp, SilcClientEntry);
- channel_entry = va_arg(vp, SilcChannelEntry);
snprintf(message, sizeof(message), "%s invites you to channel %s",
- client_entry->nickname, channel_entry->channel_name);
+ client_entry->nickname, tmp);
break;
case SILC_NOTIFY_TYPE_JOIN:
snprintf(message, sizeof(message), "%s (%s) has joined channel %s",
client_entry->nickname, client_entry->username,
channel_entry->channel_name);
+ if (client_entry == conn->local_entry) {
+ SilcChannelUser chu;
+
+ silc_list_start(channel_entry->clients);
+ while ((chu = silc_list_get(channel_entry->clients)) != SILC_LIST_END) {
+ if (chu->client == client_entry) {
+ if (app->screen->bottom_line->mode)
+ silc_free(app->screen->bottom_line->mode);
+ app->screen->bottom_line->mode = silc_client_chumode_char(chu->mode);
+ silc_screen_print_bottom_line(app->screen, 0);
+ break;
+ }
+ }
+ }
break;
case SILC_NOTIFY_TYPE_LEAVE:
case SILC_NOTIFY_TYPE_SIGNOFF:
client_entry = va_arg(vp, SilcClientEntry);
+ tmp = va_arg(vp, char *);
if (client_entry->server)
- snprintf(message, sizeof(message), "Signoff: %s@%s",
- client_entry->nickname, client_entry->server);
+ snprintf(message, sizeof(message), "Signoff: %s@%s %s%s%s",
+ client_entry->nickname, client_entry->server,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
else
- snprintf(message, sizeof(message), "Signoff: %s",
- client_entry->nickname);
+ snprintf(message, sizeof(message), "Signoff: %s %s%s%s",
+ client_entry->nickname,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
break;
case SILC_NOTIFY_TYPE_TOPIC_SET:
case SILC_NOTIFY_TYPE_CMODE_CHANGE:
client_entry = va_arg(vp, SilcClientEntry);
- tmp = silc_client_chmode(va_arg(vp, unsigned int));
+ tmp_int = va_arg(vp, SilcUInt32);
+ (void)va_arg(vp, char *);
+ (void)va_arg(vp, char *);
channel_entry = va_arg(vp, SilcChannelEntry);
- if (tmp)
- snprintf(message, sizeof(message), "%s changed channel mode to +%s",
- client_entry->nickname, tmp);
- else
- snprintf(message, sizeof(message), "%s removed all channel modes",
- client_entry->nickname);
+
+ tmp = silc_client_chmode(tmp_int,
+ channel_entry->channel_key->cipher->name,
+ channel_entry->hmac->hmac->name);
+
+ if (tmp) {
+ if (client_entry) {
+ snprintf(message, sizeof(message), "%s changed channel mode to +%s",
+ client_entry->nickname, tmp);
+ } else {
+ snprintf(message, sizeof(message),
+ "channel mode was changed to +%s (forced by router)",
+ tmp);
+ }
+ } else {
+ if (client_entry) {
+ snprintf(message, sizeof(message), "%s removed all channel modes",
+ client_entry->nickname);
+ } else {
+ snprintf(message, sizeof(message),
+ "Removed all channel modes (forced by router)");
+ }
+ }
+
if (app->screen->bottom_line->channel_mode)
silc_free(app->screen->bottom_line->channel_mode);
app->screen->bottom_line->channel_mode = tmp;
case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
client_entry = va_arg(vp, SilcClientEntry);
- tmp_int = va_arg(vp, unsigned int);
+ tmp_int = va_arg(vp, SilcUInt32);
tmp = silc_client_chumode(tmp_int);
client_entry2 = va_arg(vp, SilcClientEntry);
channel_entry = va_arg(vp, SilcChannelEntry);
return;
case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
+ return;
break;
+ case SILC_NOTIFY_TYPE_KICKED:
+ client_entry = va_arg(vp, SilcClientEntry);
+ tmp = va_arg(vp, char *);
+ channel_entry = va_arg(vp, SilcChannelEntry);
+
+ if (client_entry == conn->local_entry) {
+ snprintf(message, sizeof(message),
+ "You have been kicked off channel %s %s%s%s",
+ conn->current_channel->channel_name,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ } else {
+ snprintf(message, sizeof(message),
+ "%s%s%s has been kicked off channel %s %s%s%s",
+ client_entry->nickname,
+ client_entry->server ? "@" : "",
+ client_entry->server ? client_entry->server : "",
+ conn->current_channel->channel_name,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ }
+ break;
+
+ case SILC_NOTIFY_TYPE_KILLED:
+ client_entry = va_arg(vp, SilcClientEntry);
+ tmp = va_arg(vp, char *);
+ channel_entry = va_arg(vp, SilcChannelEntry);
+
+ if (client_entry == conn->local_entry) {
+ snprintf(message, sizeof(message),
+ "You have been killed from the SILC Network %s%s%s",
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ } else {
+ snprintf(message, sizeof(message),
+ "%s%s%s has been killed from the SILC Network %s%s%s",
+ client_entry->nickname,
+ client_entry->server ? "@" : "",
+ client_entry->server ? client_entry->server : "",
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ }
+ break;
+
+ case SILC_NOTIFY_TYPE_SERVER_SIGNOFF:
+ {
+ SilcClientEntry *clients;
+ SilcUInt32 clients_count;
+ int i;
+
+ (void)va_arg(vp, void *);
+ clients = va_arg(vp, SilcClientEntry *);
+ clients_count = va_arg(vp, SilcUInt32);
+
+ for (i = 0; i < clients_count; i++) {
+ if (clients[i]->server)
+ snprintf(message, sizeof(message), "Server signoff: %s@%s %s%s%s",
+ clients[i]->nickname, clients[i]->server,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ else
+ snprintf(message, sizeof(message), "Server signoff: %s %s%s%s",
+ clients[i]->nickname,
+ tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
+ silc_print(client, "*** %s", message);
+ memset(message, 0, sizeof(message));
+ }
+ return;
+ }
+
default:
break;
}
switch(command)
{
+
case SILC_COMMAND_QUIT:
app->screen->bottom_line->channel = NULL;
silc_screen_print_bottom_line(app->screen, 0);
break;
case SILC_COMMAND_LEAVE:
-#if 0
- if (!strncmp(conn->current_channel->channel_name, name, strlen(name))) {
- app->screen->bottom_line->channel = NULL;
- silc_screen_print_bottom_line(app->screen, 0);
- }
-#endif
+ /* We won't talk anymore on this channel */
+ silc_say(client, conn, "You have left channel %s",
+ conn->current_channel->channel_name);
break;
}
}
+/* We've resolved all clients we don't know about, now just print the
+ users from the channel on the screen. */
+
+void silc_client_show_users(SilcClient client,
+ SilcClientConnection conn,
+ SilcClientEntry *clients,
+ SilcUInt32 clients_count,
+ void *context)
+{
+ SilcChannelEntry channel = (SilcChannelEntry)context;
+ SilcChannelUser chu;
+ int k = 0, len1 = 0, len2 = 0;
+ char *name_list = NULL;
+
+ if (!clients)
+ return;
+
+ silc_list_start(channel->clients);
+ while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
+ char *m, *n = chu->client->nickname;
+ if (!n)
+ continue;
+
+ len2 = strlen(n);
+ len1 += len2;
+
+ name_list = silc_realloc(name_list, sizeof(*name_list) * (len1 + 3));
+
+ m = silc_client_chumode_char(chu->mode);
+ if (m) {
+ memcpy(name_list + (len1 - len2), m, strlen(m));
+ len1 += strlen(m);
+ silc_free(m);
+ }
+
+ memcpy(name_list + (len1 - len2), n, len2);
+ name_list[len1] = 0;
+
+ if (k == silc_list_count(channel->clients) - 1)
+ break;
+ memcpy(name_list + len1, " ", 1);
+ len1++;
+ k++;
+ }
+
+ silc_say(client, conn, "Users on %s: %s", channel->channel_name,
+ name_list);
+ silc_free(name_list);
+}
+
/* 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
SilcChannelUser chu;
va_list vp;
- if (!success)
- return;
-
va_start(vp, status);
switch(command)
{
+ case SILC_COMMAND_WHOIS:
+ {
+ char buf[1024], *nickname, *username, *realname;
+ int len;
+ SilcUInt32 idle, mode;
+ SilcBuffer channels;
+
+ 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)
+ silc_say(client, conn, "%s: %s", tmp,
+ silc_client_command_status_message(status));
+ else
+ silc_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, SilcUInt32);
+ idle = va_arg(vp, SilcUInt32);
+
+ 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);
+ }
+
+ silc_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));
+ SilcUInt32 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);
+ }
+
+ silc_say(client, conn, "%s", buf);
+ silc_channel_payload_list_free(list);
+ }
+ }
+
+ if (mode) {
+ if ((mode & SILC_UMODE_SERVER_OPERATOR) ||
+ (mode & SILC_UMODE_ROUTER_OPERATOR))
+ silc_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)
+ silc_say(client, conn, "%s is gone", nickname);
+ }
+
+ if (idle && nickname)
+ silc_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;
+
+ 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)
+ silc_say(client, conn, "%s: %s", tmp,
+ silc_client_command_status_message(status));
+ else
+ silc_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);
+ }
+
+ silc_say(client, conn, "%s", buf);
+ }
+ break;
+
+ case SILC_COMMAND_INVITE:
+ {
+ SilcChannelEntry channel;
+ char *invite_list;
+
+ if (!success)
+ return;
+
+ 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:
{
- unsigned int mode;
+ SilcUInt32 mode;
+ char *topic;
+ SilcBuffer client_id_list;
+ SilcUInt32 list_count;
+ SilcChannelEntry channel;
+
+ if (!success)
+ return;
app->screen->bottom_line->channel = va_arg(vp, char *);
- (void)va_arg(vp, void *);
- mode = va_arg(vp, unsigned int);
- app->screen->bottom_line->channel_mode = silc_client_chmode(mode);
+ channel = va_arg(vp, SilcChannelEntry);
+ mode = va_arg(vp, SilcUInt32);
+ (void)va_arg(vp, SilcUInt32);
+ (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, SilcUInt32);
+ client_id_list = va_arg(vp, SilcBuffer);
+
+ if (topic)
+ silc_say(client, conn, "Topic for %s: %s",
+ app->screen->bottom_line->channel, topic);
+
+ app->screen->bottom_line->channel_mode =
+ silc_client_chmode(mode,
+ channel->channel_key->cipher->name,
+ channel->hmac->hmac->name);
silc_screen_print_bottom_line(app->screen, 0);
+
+ /* Resolve the client information */
+ silc_client_get_clients_by_list(client, conn, list_count,
+ client_id_list,
+ silc_client_show_users, channel);
}
break;
{
SilcClientEntry entry;
+ if (!success)
+ return;
+
entry = va_arg(vp, SilcClientEntry);
silc_say(client, conn, "Your current nickname is %s", entry->nickname);
app->screen->bottom_line->nickname = entry->nickname;
}
break;
+ case SILC_COMMAND_LIST:
+ {
+ char *topic, *name;
+ int usercount;
+ unsigned char buf[256], tmp[16];
+ int i, len;
+
+ if (!success)
+ return;
+
+ (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:
+ {
+ SilcUInt32 mode;
+
+ if (!success)
+ return;
+
+ mode = va_arg(vp, SilcUInt32);
+
+ if (!mode && app->screen->bottom_line->umode) {
+ silc_free(app->screen->bottom_line->umode);
+ app->screen->bottom_line->umode = NULL;
+ }
+
+ if (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");;
+ }
+
+ if (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);
+ }
+ break;
+
+ case SILC_COMMAND_OPER:
+ 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);
+ }
+ break;
+
+ case SILC_COMMAND_SILCOPER:
+ 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);
+ }
+ break;
+
case SILC_COMMAND_USERS:
- silc_list_start(conn->current_channel->clients);
- while ((chu = silc_list_get(conn->current_channel->clients))
- != SILC_LIST_END) {
- if (chu->client == conn->local_entry) {
- if (app->screen->bottom_line->mode)
- silc_free(app->screen->bottom_line->mode);
- app->screen->bottom_line->mode =
- silc_client_chumode_char(chu->mode);
- silc_screen_print_bottom_line(app->screen, 0);
- break;
+ {
+ SilcChannelEntry channel;
+ 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 (chu->client == conn->local_entry) {
+ /* Update status line */
+ if (app->screen->bottom_line->mode)
+ silc_free(app->screen->bottom_line->mode);
+ app->screen->bottom_line->mode =
+ silc_client_chumode_char(chu->mode);
+ silc_screen_print_bottom_line(app->screen, 0);
+ }
+
+ 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, " ");
+ }
+
+ 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;
+
+ 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;
+ SilcUInt32 pk_len;
+
+ id_type = va_arg(vp, SilcUInt32);
+ 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);
+ }
+
+ silc_free(pk);
}
+
+ case SILC_COMMAND_TOPIC:
+ {
+ SilcChannelEntry channel;
+ char *topic;
+
+ if (!success)
+ return;
+
+ channel = va_arg(vp, SilcChannelEntry);
+ topic = va_arg(vp, char *);
+
+ if (topic)
+ silc_say(client, conn,
+ "Topic on channel %s: %s", channel->channel_name,
+ topic);
+ }
+ break;
+
+ default:
+ break;
}
}
/* Asks passphrase from user on the input line. */
-unsigned char *silc_ask_passphrase(SilcClient client,
- SilcClientConnection conn)
+void silc_ask_passphrase(SilcClient client, SilcClientConnection conn,
+ SilcAskPassphrase completion, void *context)
{
SilcClientInternal app = (SilcClientInternal)conn->client->application;
char pass1[256], pass2[256];
- char *ret;
int try = 3;
while(try) {
try--;
}
- ret = silc_calloc(strlen(pass1), sizeof(char));
- memcpy(ret, pass1, strlen(pass1));
-
- memset(pass1, 0, sizeof(pass1));
- memset(pass2, 0, sizeof(pass2));
-
wattroff(app->screen->input_win, A_INVIS);
silc_screen_input_reset(app->screen);
- return ret;
+ /* Deliver the passphrase to the library */
+ completion(pass1, strlen(pass1), context);
+
+ memset(pass1, 0, sizeof(pass1));
+ memset(pass2, 0, sizeof(pass2));
}
-/* Verifies received public key. If user decides to trust the key it is
- saved as trusted server key for later use. If user does not trust the
- key this returns FALSE. */
+/* 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. */
-int silc_verify_server_key(SilcClient client,
- SilcClientConnection conn,
- unsigned char *pk, unsigned int pk_len,
- SilcSKEPKType pk_type)
+void silc_verify_public_key(SilcClient client, SilcClientConnection conn,
+ SilcSocketType conn_type, unsigned char *pk,
+ SilcUInt32 pk_len, SilcSKEPKType pk_type,
+ SilcVerifyPublicKey completion, void *context)
{
- SilcSocketConnection sock = conn->sock;
- char filename[256];
- char file[256];
- char *hostname, *fingerprint;
- struct passwd *pw;
- struct stat st;
-
- hostname = sock->hostname ? sock->hostname : sock->ip;
-
- if (pk_type != SILC_SKE_PK_TYPE_SILC) {
- silc_say(client, conn, "We don't support server %s key type", hostname);
- return FALSE;
- }
-
- pw = getpwuid(getuid());
- if (!pw)
- return FALSE;
-
- memset(filename, 0, sizeof(filename));
- memset(file, 0, sizeof(file));
- snprintf(file, sizeof(file) - 1, "serverkey_%s_%d.pub", hostname,
- sock->port);
- snprintf(filename, sizeof(filename) - 1, "%s/.silc/serverkeys/%s",
- pw->pw_dir, file);
-
- /* Check wheter this key already exists */
- if (stat(filename, &st) < 0) {
-
- fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
- silc_say(client, conn, "Received server %s public key", hostname);
- silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
- silc_say(client, conn, "%s", fingerprint);
- silc_free(fingerprint);
-
- /* Ask user to verify the key and save it */
- if (silc_client_ask_yes_no(client,
- "Would you like to accept the key (y/n)? "))
- {
- /* Save the key for future checking */
- silc_pkcs_save_public_key_data(filename, pk, pk_len,
- SILC_PKCS_FILE_PEM);
- return TRUE;
- }
- } else {
- /* The key already exists, verify it. */
- SilcPublicKey public_key;
- unsigned char *encpk;
- unsigned int 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)) {
- fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
- silc_say(client, conn, "Received server %s public key", hostname);
- silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
- silc_say(client, conn, "%s", fingerprint);
- silc_free(fingerprint);
- silc_say(client, conn, "Could not load your local copy of the server %s key",
- hostname);
- if (silc_client_ask_yes_no(client,
- "Would you like to accept the key anyway (y/n)? "))
- {
- /* Save the key for future checking */
- unlink(filename);
- silc_pkcs_save_public_key_data(filename, pk, pk_len,
- SILC_PKCS_FILE_PEM);
- return TRUE;
- }
-
- return FALSE;
- }
-
- /* Encode the key data */
- encpk = silc_pkcs_public_key_encode(public_key, &encpk_len);
- if (!encpk) {
- fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
- silc_say(client, conn, "Received server %s public key", hostname);
- silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
- silc_say(client, conn, "%s", fingerprint);
- silc_free(fingerprint);
- silc_say(client, conn, "Your local copy of the server %s key is malformed",
- hostname);
- if (silc_client_ask_yes_no(client,
- "Would you like to accept the key anyway (y/n)? "))
- {
- /* Save the key for future checking */
- unlink(filename);
- silc_pkcs_save_public_key_data(filename, pk, pk_len,
- SILC_PKCS_FILE_PEM);
- return TRUE;
- }
-
- return FALSE;
- }
-
- if (memcmp(encpk, pk, encpk_len)) {
- fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
- silc_say(client, conn, "Received server %s public key", hostname);
- silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
- silc_say(client, conn, "%s", fingerprint);
- silc_free(fingerprint);
- silc_say(client, conn, "Server %s key does not match with your local copy",
- hostname);
- 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 */
- if (silc_client_ask_yes_no(client,
- "Would you like to accept the key anyway (y/n)? "))
- {
- /* Save the key for future checking */
- unlink(filename);
- silc_pkcs_save_public_key_data(filename, pk, pk_len,
- SILC_PKCS_FILE_PEM);
- return TRUE;
- }
-
- silc_say(client, conn, "Will not accept server %s key", hostname);
- return FALSE;
- }
-
- /* Local copy matched */
- return TRUE;
+ if (silc_verify_public_key_internal(client, conn, conn_type, pk,
+ pk_len, pk_type)) {
+ completion(TRUE, context);
+ return;
}
- silc_say(client, conn, "Will not accept server %s key", hostname);
- return FALSE;
+ completion(FALSE, context);
}
/* Find authentication method and authentication data by hostname and
is found and FALSE if not. `conn' may be NULL. */
int silc_get_auth_method(SilcClient client, SilcClientConnection conn,
- char *hostname, unsigned short port,
+ char *hostname, SilcUInt16 port,
SilcProtocolAuthMeth *auth_meth,
unsigned char **auth_data,
- unsigned int *auth_data_len)
+ SilcUInt32 *auth_data_len)
{
SilcClientInternal app = (SilcClientInternal)client->application;
- if (app->config->conns) {
+ if (app->config && app->config->conns) {
SilcClientConfigSectionConnection *conn = NULL;
/* Check if we find a match from user configured connections */
}
}
- return FALSE;
+ *auth_meth = SILC_AUTH_NONE;
+ *auth_data = NULL;
+ *auth_data_len = 0;
+
+ return TRUE;
}
/* Notifies application that failure packet was received. This is called
void silc_failure(SilcClient client, SilcClientConnection conn,
SilcProtocol protocol, void *failure)
{
- SilcClientInternal app = (SilcClientInternal)client->application;
+ if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_KEY_EXCHANGE) {
+ SilcSKEStatus status = (SilcSKEStatus)failure;
+
+ if (status == SILC_SKE_STATUS_BAD_VERSION)
+ silc_say(client, conn,
+ "You are running incompatible client version (it may be "
+ "too old or too new)");
+ if (status == SILC_SKE_STATUS_UNSUPPORTED_PUBLIC_KEY)
+ silc_say(client, conn, "Server does not support your public key type");
+ if (status == SILC_SKE_STATUS_UNKNOWN_GROUP)
+ silc_say(client, conn,
+ "Server does not support one of your proposed KE group");
+ if (status == SILC_SKE_STATUS_UNKNOWN_CIPHER)
+ silc_say(client, conn,
+ "Server does not support one of your proposed cipher");
+ if (status == SILC_SKE_STATUS_UNKNOWN_PKCS)
+ silc_say(client, conn,
+ "Server does not support one of your proposed PKCS");
+ if (status == SILC_SKE_STATUS_UNKNOWN_HASH_FUNCTION)
+ silc_say(client, conn,
+ "Server does not support one of your proposed hash function");
+ if (status == SILC_SKE_STATUS_UNKNOWN_HMAC)
+ silc_say(client, conn,
+ "Server does not support one of your proposed HMAC");
+ if (status == SILC_SKE_STATUS_INCORRECT_SIGNATURE)
+ silc_say(client, conn, "Incorrect signature");
+ }
+
+ if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_CONNECTION_AUTH) {
+ SilcUInt32 err = (SilcUInt32)failure;
+
+ if (err == SILC_AUTH_FAILED)
+ silc_say(client, conn, "Authentication failed");
+ }
+}
+
+/* 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). */
+
+int silc_key_agreement(SilcClient client, SilcClientConnection conn,
+ SilcClientEntry client_entry, char *hostname,
+ int port,
+ SilcKeyAgreementCallback *completion,
+ void **context)
+{
+ char host[256];
+ /* We will just display the info on the screen and return FALSE and user
+ will have to start the key agreement with a command. */
+
+ if (hostname) {
+ memset(host, 0, sizeof(host));
+ snprintf(host, sizeof(host) - 1, "(%s on port %d)", hostname, port);
+ }
+
+ silc_say(client, conn, "%s wants to perform key agreement %s",
+ client_entry->nickname, hostname ? host : "");
+
+ *completion = NULL;
+ *context = NULL;
+
+ return FALSE;
}
/* SILC client operations */
SilcClientOperations ops = {
- say: silc_say,
- channel_message: silc_channel_message,
- private_message: silc_private_message,
- notify: silc_notify,
- command: silc_command,
- command_reply: silc_command_reply,
- connect: silc_connect,
- disconnect: silc_disconnect,
- get_auth_method: silc_get_auth_method,
- verify_server_key: silc_verify_server_key,
- ask_passphrase: silc_ask_passphrase,
- failure: silc_failure,
+ silc_op_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,
};
projects / silc.git / blobdiff