X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=lib%2Fsilccore%2Fsilcid.c;h=1d6b59b9fafdbe09e8f7885b0c606e7d0705cf6e;hp=ad0bf94b76ecc3df13e71514c7fd2a20530a18cf;hb=0f0340b9fbce9704cc7171f8f0104ce9103d2de6;hpb=d60003d3019371d4ce834a6cbfbf41c257f5a5f7 diff --git a/lib/silccore/silcid.c b/lib/silccore/silcid.c index ad0bf94b..1d6b59b9 100644 --- a/lib/silccore/silcid.c +++ b/lib/silccore/silcid.c @@ -9,7 +9,7 @@ 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; version 2 of the License. - + 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 @@ -64,7 +64,7 @@ SilcIDPayload silc_id_payload_parse(const unsigned char *payload, silc_buffer_pull(&buffer, 4); - if (newp->len > buffer.len || newp->len > SILC_PACKET_MAX_ID_LEN) + if (newp->len > silc_buffer_len(&buffer) || newp->len > SILC_PACKET_MAX_ID_LEN) goto err; ret = silc_buffer_unformat(&buffer, @@ -108,7 +108,7 @@ void *silc_id_payload_parse_id(const unsigned char *data, SilcUInt32 len, silc_buffer_pull(&buffer, 4); - if (idlen > buffer.len || idlen > SILC_PACKET_MAX_ID_LEN) + if (idlen > silc_buffer_len(&buffer) || idlen > SILC_PACKET_MAX_ID_LEN) goto err; ret = silc_buffer_unformat(&buffer, @@ -205,7 +205,8 @@ SilcUInt32 silc_id_payload_get_len(SilcIDPayload payload) /* Converts ID to string. */ -unsigned char *silc_id_id2str(const void *id, SilcIdType type) +unsigned char *silc_id_id2str(const void *id, SilcIdType type, + SilcUInt32 *ret_id_len) { unsigned char *ret_id; SilcServerID *server_id; @@ -213,6 +214,9 @@ unsigned char *silc_id_id2str(const void *id, SilcIdType type) SilcChannelID *channel_id; SilcUInt32 id_len = silc_id_get_len(id, type); + if (ret_id_len) + *ret_id_len = id_len; + if (id_len > SILC_PACKET_MAX_ID_LEN) return NULL; @@ -234,7 +238,7 @@ unsigned char *silc_id_id2str(const void *id, SilcIdType type) return NULL; memcpy(ret_id, client_id->ip.data, client_id->ip.data_len); ret_id[client_id->ip.data_len] = client_id->rnd; - memcpy(&ret_id[client_id->ip.data_len + 1], client_id->hash, + memcpy(&ret_id[client_id->ip.data_len + 1], client_id->hash, CLIENTID_HASH_LEN); return ret_id; break; @@ -255,74 +259,65 @@ unsigned char *silc_id_id2str(const void *id, SilcIdType type) /* Converts string to a ID */ -void *silc_id_str2id(const unsigned char *id, SilcUInt32 id_len, - SilcIdType type) +bool silc_id_str2id(const unsigned char *id, SilcUInt32 id_len, + SilcIdType type, void *ret_id) { if (id_len > SILC_PACKET_MAX_ID_LEN) - return NULL; + return FALSE; switch(type) { case SILC_ID_SERVER: { - SilcServerID *server_id; + SilcServerID *server_id = ret_id; if (id_len != ID_SERVER_LEN_PART + 4 && id_len != ID_SERVER_LEN_PART + 16) - return NULL; + return FALSE; - server_id = silc_calloc(1, sizeof(*server_id)); - if (!server_id) - return NULL; 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[server_id->ip.data_len]); SILC_GET16_MSB(server_id->rnd, &id[server_id->ip.data_len + 2]); - return server_id; + return TRUE; } break; case SILC_ID_CLIENT: { - SilcClientID *client_id; + SilcClientID *client_id = ret_id; if (id_len != ID_CLIENT_LEN_PART + 4 && id_len != ID_CLIENT_LEN_PART + 16) - return NULL; + return FALSE; - client_id = silc_calloc(1, sizeof(*client_id)); - if (!client_id) - return NULL; 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[client_id->ip.data_len]; - memcpy(client_id->hash, &id[client_id->ip.data_len + 1], + memcpy(client_id->hash, &id[client_id->ip.data_len + 1], CLIENTID_HASH_LEN); - return client_id; + return TRUE; } break; case SILC_ID_CHANNEL: { - SilcChannelID *channel_id; + SilcChannelID *channel_id = ret_id; if (id_len != ID_CHANNEL_LEN_PART + 4 && id_len != ID_CHANNEL_LEN_PART + 16) - return NULL; + return FALSE; - channel_id = silc_calloc(1, sizeof(*channel_id)); - if (!channel_id) - return NULL; 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[channel_id->ip.data_len]); SILC_GET16_MSB(channel_id->rnd, &id[channel_id->ip.data_len + 2]); - return channel_id; + return TRUE; } break; } - return NULL; + return FALSE; } /* Returns length of the ID */