packetdata.flags = SILC_PACKET_FLAG_PRIVMSG_KEY;
packetdata.type = SILC_PACKET_PRIVATE_MESSAGE;
packetdata.src_id = conn->local_id_data;
- packetdata.src_id_len = SILC_ID_CLIENT_LEN;
+ packetdata.src_id_len = silc_id_get_len(conn->local_id, SILC_ID_CLIENT);
packetdata.src_id_type = SILC_ID_CLIENT;
packetdata.dst_id = silc_id_id2str(client_entry->id, SILC_ID_CLIENT);
- packetdata.dst_id_len = SILC_ID_CLIENT_LEN;
+ packetdata.dst_id_len = silc_id_get_len(client_entry->id, SILC_ID_CLIENT);
packetdata.dst_id_type = SILC_ID_CLIENT;
packetdata.truelen = buffer->len + SILC_PACKET_HEADER_LEN +
packetdata.src_id_len + packetdata.dst_id_len;
sock->outbuf->data, sock->outbuf->len);
/* Now actually send the packet */
- silc_client_packet_send_real(client, sock, force_send, FALSE);
+ silc_client_packet_send_real(client, sock, force_send);
silc_free(packetdata.dst_id);
out:
{
SilcPacketContext *packet = (SilcPacketContext *)context;
+ if (!clients) {
+ silc_packet_context_free(packet);
+ return;
+ }
+
silc_client_private_message(client, conn->sock, packet);
silc_packet_context_free(packet);
}
SilcIDCacheEntry id_cache;
SilcClientID *remote_id = NULL;
SilcClientEntry remote_client;
+ SilcMessageFlags flags;
if (packet->src_id_type != SILC_ID_CLIENT)
goto out;
goto out;
/* Check whether we know this client already */
- if (!silc_idcache_find_by_id_one(conn->client_cache, remote_id,
- SILC_ID_CLIENT, &id_cache)) {
+ if (!silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)remote_id,
+ NULL, NULL,
+ silc_hash_client_id_compare, NULL,
+ &id_cache)) {
/* Resolve the client info */
silc_client_get_client_by_id_resolve(client, conn, remote_id,
silc_client_private_message_cb,
/* Parse the payload and decrypt it also if private message key is set */
payload = silc_private_message_payload_parse(packet->buffer,
- remote_client->send_key);
+ remote_client->receive_key);
if (!payload) {
silc_free(remote_id);
return;
}
+ flags = silc_private_message_get_flags(payload);
+
/* Pass the private message to application */
- client->ops->private_message(client, conn, remote_client,
- silc_private_message_get_flags(payload),
+ client->ops->private_message(client, conn, remote_client, flags,
silc_private_message_get_message(payload,
NULL));
/* See if we are away (gone). If we are away we will reply to the
sender with the set away message. */
- if (conn->away && conn->away->away) {
+ if (conn->away && conn->away->away && !(flags & SILC_MESSAGE_FLAG_NOREPLY)) {
/* If it's me, ignore */
- if (!SILC_ID_CLIENT_COMPARE(remote_id, conn->local_id))
+ if (SILC_ID_CLIENT_COMPARE(remote_id, conn->local_id))
goto out;
/* Send the away message */
silc_client_send_private_message(client, conn, remote_client,
- SILC_MESSAGE_FLAG_AUTOREPLY,
+ SILC_MESSAGE_FLAG_AUTOREPLY |
+ SILC_MESSAGE_FLAG_NOREPLY,
conn->away->away,
strlen(conn->away->away), TRUE);
}
/* Now take the key in use */
if (!silc_client_add_private_message_key(client, conn, clients[0],
- cipher, key, key_len, FALSE))
+ cipher, key, key_len, FALSE, TRUE))
goto out;
/* Print some info for application */
- client->ops->say(client, conn,
+ client->ops->say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
"Received private message key from %s%s%s %s%s%s",
clients[0]->nickname,
clients[0]->server ? "@" : "",
requirements of the SILC protocol are met. The API, however, allows
to allocate any cipher.
+ If `responder' is TRUE then the sending and receiving keys will be
+ set according the client being the receiver of the private key. If
+ FALSE the client is being the sender (or negotiator) of the private
+ key.
+
It is not necessary to set key for normal private message usage. If the
key is not set then the private messages are encrypted using normal
session keys. Setting the private key, however, increases the security.
char *cipher,
unsigned char *key,
uint32 key_len,
- int generate_key)
+ bool generate_key,
+ bool responder)
{
unsigned char private_key[32];
uint32 len;
return FALSE;
if (!cipher)
- cipher = "aes-256-cbc";
+ cipher = SILC_DEFAULT_CIPHER;
/* Check the requested cipher */
if (!silc_cipher_is_supported(cipher))
silc_cipher_alloc(cipher, &client_entry->receive_key);
/* Set the keys */
- silc_cipher_set_key(client_entry->send_key, keymat->send_enc_key,
- keymat->enc_key_len);
- silc_cipher_set_iv(client_entry->send_key, keymat->send_iv);
- silc_cipher_set_key(client_entry->receive_key, keymat->receive_enc_key,
- keymat->enc_key_len);
- silc_cipher_set_iv(client_entry->receive_key, keymat->receive_iv);
+ if (responder == TRUE) {
+ silc_cipher_set_key(client_entry->send_key, keymat->receive_enc_key,
+ keymat->enc_key_len);
+ silc_cipher_set_iv(client_entry->send_key, keymat->receive_iv);
+ silc_cipher_set_key(client_entry->receive_key, keymat->send_enc_key,
+ keymat->enc_key_len);
+ silc_cipher_set_iv(client_entry->receive_key, keymat->send_iv);
+ } else {
+ silc_cipher_set_key(client_entry->send_key, keymat->send_enc_key,
+ keymat->enc_key_len);
+ silc_cipher_set_iv(client_entry->send_key, keymat->send_iv);
+ silc_cipher_set_key(client_entry->receive_key, keymat->receive_enc_key,
+ keymat->enc_key_len);
+ silc_cipher_set_iv(client_entry->receive_key, keymat->receive_iv);
+ }
/* Free the key material */
silc_ske_free_key_material(keymat);
SilcClientConnection conn,
SilcClientEntry client_entry,
char *cipher,
- SilcSKEKeyMaterial *key)
+ SilcSKEKeyMaterial *key,
+ bool responder)
{
assert(client_entry);
return FALSE;
if (!cipher)
- cipher = "aes-256-cbc";
+ cipher = SILC_DEFAULT_CIPHER;
/* Check the requested cipher */
if (!silc_cipher_is_supported(cipher))
silc_cipher_alloc(cipher, &client_entry->receive_key);
/* Set the keys */
- silc_cipher_set_key(client_entry->send_key, key->send_enc_key,
- key->enc_key_len);
- silc_cipher_set_iv(client_entry->send_key, key->send_iv);
- silc_cipher_set_key(client_entry->receive_key, key->receive_enc_key,
- key->enc_key_len);
- silc_cipher_set_iv(client_entry->receive_key, key->receive_iv);
+ if (responder == TRUE) {
+ silc_cipher_set_key(client_entry->send_key, key->receive_enc_key,
+ key->enc_key_len);
+ silc_cipher_set_iv(client_entry->send_key, key->receive_iv);
+ silc_cipher_set_key(client_entry->receive_key, key->send_enc_key,
+ key->enc_key_len);
+ silc_cipher_set_iv(client_entry->receive_key, key->send_iv);
+ } else {
+ silc_cipher_set_key(client_entry->send_key, key->send_enc_key,
+ key->enc_key_len);
+ silc_cipher_set_iv(client_entry->send_key, key->send_iv);
+ silc_cipher_set_key(client_entry->receive_key, key->receive_enc_key,
+ key->enc_key_len);
+ silc_cipher_set_iv(client_entry->receive_key, key->receive_iv);
+ }
return TRUE;
}
SilcIDCacheList list;
SilcClientEntry entry;
- if (!silc_idcache_find_by_id(conn->client_cache, SILC_ID_CACHE_ANY,
- SILC_ID_CLIENT, &list))
+ if (!silc_idcache_get_all(conn->client_cache, &list))
return NULL;
if (!silc_idcache_list_count(list)) {
{
silc_free(keys);
}
+
+/* Sets away `message'. The away message may be set when the client's
+ mode is changed to SILC_UMODE_GONE and the client whishes to reply
+ to anyone who sends private message. The `message' will be sent
+ automatically back to the the client who send private message. If
+ away message is already set this replaces the old message with the
+ new one. If `message' is NULL the old away message is removed.
+ The sender may freely free the memory of the `message'. */
+
+void silc_client_set_away_message(SilcClient client,
+ SilcClientConnection conn,
+ char *message)
+{
+ if (!message && conn->away) {
+ silc_free(conn->away->away);
+ silc_free(conn->away);
+ conn->away = NULL;
+ }
+
+ if (message) {
+ if (!conn->away)
+ conn->away = silc_calloc(1, sizeof(*conn->away));
+ if (conn->away->away)
+ silc_free(conn->away->away);
+ conn->away->away = strdup(message);
+ }
+}
projects / silc.git / blobdiff