Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
- Copyright (C) 1997 - 2000 Pekka Riikonen
+ Copyright (C) 1997 - 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
/* $Id$ */
#include "silcincludes.h"
+#include "id.h"
+
+/* ID lengths (in bytes) without the IP address part */
+#define ID_SERVER_LEN_PART 4
+#define ID_CLIENT_LEN_PART CLIENTID_HASH_LEN + 1
+#define ID_CHANNEL_LEN_PART 4
/* Converts ID to string. */
SilcServerID *server_id;
SilcClientID *client_id;
SilcChannelID *channel_id;
+ uint32 id_len = silc_id_get_len(id, type);
switch(type) {
case SILC_ID_SERVER:
server_id = (SilcServerID *)id;
- ret_id = silc_calloc(8, sizeof(unsigned char));
- SILC_PUT32_MSB(server_id->ip.s_addr, ret_id);
+ ret_id = silc_calloc(id_len, sizeof(unsigned char));
+ memcpy(ret_id, server_id->ip.data, server_id->ip.data_len);
SILC_PUT16_MSB(server_id->port, &ret_id[4]);
SILC_PUT16_MSB(server_id->rnd, &ret_id[6]);
return ret_id;
break;
case SILC_ID_CLIENT:
client_id = (SilcClientID *)id;
- ret_id = silc_calloc(16, sizeof(unsigned char));
- SILC_PUT32_MSB(client_id->ip.s_addr, ret_id);
+ ret_id = silc_calloc(id_len, sizeof(unsigned char));
+ memcpy(ret_id, client_id->ip.data, client_id->ip.data_len);
ret_id[4] = client_id->rnd;
memcpy(&ret_id[5], client_id->hash, CLIENTID_HASH_LEN);
return ret_id;
break;
case SILC_ID_CHANNEL:
channel_id = (SilcChannelID *)id;
- ret_id = silc_calloc(8, sizeof(unsigned char));
- SILC_PUT32_MSB(channel_id->ip.s_addr, ret_id);
+ ret_id = silc_calloc(id_len, sizeof(unsigned char));
+ memcpy(ret_id, channel_id->ip.data, channel_id->ip.data_len);
SILC_PUT16_MSB(channel_id->port, &ret_id[4]);
SILC_PUT16_MSB(channel_id->rnd, &ret_id[6]);
return ret_id;
{
SilcServerID *server_id;
- if (id_len != SILC_ID_SERVER_LEN)
+ if (id_len != ID_SERVER_LEN_PART + 4 &&
+ id_len != ID_SERVER_LEN_PART + 16)
return NULL;
server_id = silc_calloc(1, sizeof(*server_id));
- SILC_GET32_MSB(server_id->ip.s_addr, id);
+ memcpy(server_id->ip.data, id, (id_len > ID_SERVER_LEN_PART + 4 ?
+ 16 : 4));
+ server_id->ip.data_len = (id_len > ID_SERVER_LEN_PART + 4 ? 16 : 4);
SILC_GET16_MSB(server_id->port, &id[4]);
SILC_GET16_MSB(server_id->rnd, &id[6]);
return server_id;
{
SilcClientID *client_id;
- if (id_len != SILC_ID_CLIENT_LEN)
+ if (id_len != ID_CLIENT_LEN_PART + 4 &&
+ id_len != ID_CLIENT_LEN_PART + 16)
return NULL;
client_id = silc_calloc(1, sizeof(*client_id));
- SILC_GET32_MSB(client_id->ip.s_addr, id);
+ memcpy(client_id->ip.data, id, (id_len > ID_CLIENT_LEN_PART + 4 ?
+ 16 : 4));
+ client_id->ip.data_len = (id_len > ID_CLIENT_LEN_PART + 4 ? 16 : 4);
client_id->rnd = id[4];
memcpy(client_id->hash, &id[5], CLIENTID_HASH_LEN);
return client_id;
{
SilcChannelID *channel_id;
- if (id_len != SILC_ID_CHANNEL_LEN)
+ if (id_len != ID_CHANNEL_LEN_PART + 4 &&
+ id_len != ID_CHANNEL_LEN_PART + 16)
return NULL;
channel_id = silc_calloc(1, sizeof(*channel_id));
- SILC_GET32_MSB(channel_id->ip.s_addr, id);
+ memcpy(channel_id->ip.data, id, (id_len > ID_CHANNEL_LEN_PART + 4 ?
+ 16 : 4));
+ channel_id->ip.data_len = (id_len > ID_CHANNEL_LEN_PART + 4 ? 16 : 4);
SILC_GET16_MSB(channel_id->port, &id[4]);
SILC_GET16_MSB(channel_id->rnd, &id[6]);
return channel_id;
/* Returns length of the ID */
-uint32 silc_id_get_len(SilcIdType type)
+uint32 silc_id_get_len(void *id, SilcIdType type)
{
switch(type) {
case SILC_ID_SERVER:
- return SILC_ID_SERVER_LEN;
+ {
+ SilcServerID *server_id = (SilcServerID *)id;
+ return ID_SERVER_LEN_PART + server_id->ip.data_len;
+ }
break;
case SILC_ID_CLIENT:
- return SILC_ID_CLIENT_LEN;
+ {
+ SilcClientID *client_id = (SilcClientID *)id;
+ return ID_CLIENT_LEN_PART + client_id->ip.data_len;
+ }
break;
case SILC_ID_CHANNEL:
- return SILC_ID_CHANNEL_LEN;
+ {
+ SilcChannelID *channel_id = (SilcChannelID *)id;
+ return ID_CHANNEL_LEN_PART + channel_id->ip.data_len;
+ }
break;
}
void *silc_id_dup(void *id, SilcIdType type)
{
- int len = silc_id_get_len(type);
- void *new = silc_calloc(1, len);
- memcpy(new, id, len);
- return new;
+ switch(type) {
+ case SILC_ID_SERVER:
+ {
+ SilcServerID *server_id = (SilcServerID *)id, *new;
+ new = silc_calloc(1, sizeof(*server_id));
+ memcpy(&new->ip, &server_id->ip, sizeof(server_id->ip));
+ new->port = server_id->port;
+ new->rnd = server_id->rnd;
+ return new;
+ }
+ break;
+ case SILC_ID_CLIENT:
+ {
+ SilcClientID *client_id = (SilcClientID *)id, *new;
+ new = silc_calloc(1, sizeof(*client_id));
+ memcpy(&new->ip, &client_id->ip, sizeof(client_id->ip));
+ new->rnd = client_id->rnd;
+ memcpy(new->hash, client_id->hash, CLIENTID_HASH_LEN);
+ return new;
+ }
+ break;
+ case SILC_ID_CHANNEL:
+ {
+ SilcChannelID *channel_id = (SilcChannelID *)id, *new;
+ new = silc_calloc(1, sizeof(*channel_id));
+ memcpy(&new->ip, &channel_id->ip, sizeof(channel_id->ip));
+ new->port = channel_id->port;
+ new->rnd = channel_id->rnd;
+ return new;
+ }
+ break;
+ }
+
+ return NULL;
+}
+
+/* Returns TRUE if the `id2' is equal to `id1'. */
+
+bool silc_id_compare(void *id1, void *id2, SilcIdType type)
+{
+ switch(type) {
+ case SILC_ID_SERVER:
+ {
+ SilcServerID *server_id1 = (SilcServerID *)id1;
+ SilcServerID *server_id2 = (SilcServerID *)id2;
+ if (!memcmp(server_id1->ip.data, server_id2->ip.data,
+ server_id1->ip.data_len) &&
+ server_id1->port == server_id2->port &&
+ server_id1->rnd == server_id2->rnd)
+ return TRUE;
+ return FALSE;
+ }
+ break;
+ case SILC_ID_CLIENT:
+ {
+ SilcClientID *client_id1 = (SilcClientID *)id1;
+ SilcClientID *client_id2 = (SilcClientID *)id2;
+ if (!memcmp(client_id1->ip.data, client_id2->ip.data,
+ client_id1->ip.data_len) &&
+ client_id1->rnd == client_id2->rnd &&
+ !memcmp(client_id1->hash, client_id2->hash, CLIENTID_HASH_LEN))
+ return TRUE;
+ return FALSE;
+ }
+ break;
+ case SILC_ID_CHANNEL:
+ {
+ SilcChannelID *channel_id1 = (SilcChannelID *)id1;
+ SilcChannelID *channel_id2 = (SilcChannelID *)id2;
+ if (!memcmp(channel_id1->ip.data, channel_id2->ip.data,
+ channel_id1->ip.data_len) &&
+ channel_id1->port == channel_id2->port &&
+ channel_id1->rnd == channel_id2->rnd)
+ return TRUE;
+ return FALSE;
+ }
+ break;
+ }
+
+ return FALSE;
}