pidgin/pidgin

Create a glibcompat.h to define G_GNUC_(BEGIN,END)_IGNORE_DEPRECATIONS which was added in 2.32.0 but we only require 2.16.0
release-2.x.y
2019-11-11, Gary Kramlich
dc5e8cca7434
Create a glibcompat.h to define G_GNUC_(BEGIN,END)_IGNORE_DEPRECATIONS which was added in 2.32.0 but we only require 2.16.0
/*
* (C) Copyright 2001-2011 Wojtek Kaniewski <wojtekka@irc.pl>
* Robert J. Woźny <speedy@ziew.org>
* Arkadiusz Miśkiewicz <arekm@pld-linux.org>
* Tomasz Chiliński <chilek@chilan.com>
* Adam Wysocki <gophi@ekg.chmurka.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License Version
* 2.1 as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
* USA.
*/
/**
* \file handlers.c
*
* \brief Funkcje obsługi przychodzących pakietów
*/
#include <ctype.h>
#include "fileio.h"
#include "network.h"
#include "strman.h"
#include "libgadu.h"
#include "resolver.h"
#include "session.h"
#include "protocol.h"
#include "encoding.h"
#include "message.h"
#include "internal.h"
#include "deflate.h"
#include "tvbuff.h"
#include "protobuf.h"
#include "packets.pb-c.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* Ograniczenie długości listy kontaktów
* z pakietów GG_USERLIST_REPLY do 10MB. */
#define GG_USERLIST_REPLY_MAX_LENGTH 10485760
/**
* \internal Struktura opisująca funkcję obsługi pakietu.
*/
typedef struct {
/* Typ pakietu */
uint32_t type;
/* Stan w którym pakiet jest obsługiwany */
enum gg_state_t state;
/* Minimalny rozmiar danych pakietu */
size_t min_length;
/* Funkcja obsługująca pakiet. Patrz gg_session_handle_packet(). */
int (*handler)(struct gg_session *, uint32_t, const char *, size_t, struct gg_event *);
} gg_packet_handler_t;
static int gg_ack_110(struct gg_session *gs, GG110Ack__Type type, uint32_t seq, struct gg_event *ge)
{
GG110Ack msg = GG110_ACK__INIT;
msg.type = type;
msg.seq = seq;
if (!GG_PROTOBUF_SEND(gs, ge, GG_ACK110, gg110_ack, msg))
return -1;
return 0;
}
static void gg_sync_time(struct gg_session *gs, time_t server_time)
{
time_t local_time = time(NULL);
int time_diff = server_time - local_time;
if (gs->private_data->time_diff == time_diff)
return;
gs->private_data->time_diff = time_diff;
gg_debug_session(gs, GG_DEBUG_MISC | GG_DEBUG_VERBOSE,
"// time synchronized (diff = %d)\n", time_diff);
}
static int gg_session_handle_welcome_110(struct gg_session *gs, uint32_t seed,
struct gg_event *ge)
{
GG105Login msg = GG105_LOGIN__INIT;
char client_str[1000];
uint8_t hash[64];
const char *client_name = GG11_VERSION;
const char *client_version = GG_DEFAULT_CLIENT_VERSION_110;
const char *client_target = GG11_TARGET;
uint8_t dummy4[4] = {0, 0, 0, 0};
if (gs->hash_type != GG_LOGIN_HASH_SHA1) {
gg_debug_session(gs, GG_DEBUG_ERROR, "// Unsupported hash type "
"for this protocol version\n");
gg_connection_failure(gs, ge, GG_FAILURE_INTERNAL);
return -1;
}
if (gg_login_hash_sha1_2(gs->password, seed, hash) == -1) {
gg_debug_session(gs, GG_DEBUG_ERROR, "// gg_watch_fd() "
"gg_login_hash_sha1_2() failed, "
"probably out of memory\n");
gg_connection_failure(gs, ge, GG_FAILURE_INTERNAL);
return -1;
}
if (gs->client_version != NULL && !isdigit(gs->client_version[0])) {
client_name = "";
client_target = "";
}
if (gs->client_version != NULL)
client_version = gs->client_version;
snprintf(client_str, sizeof(client_str), "%s%s%s",
client_name, client_version, client_target);
client_str[sizeof(client_str) - 1] = '\0';
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() "
"sending GG_LOGIN105 packet\n");
msg.lang = GG8_LANG;
gg_protobuf_set_uin(&msg.uin, gs->uin, NULL);
msg.hash.len = 20;
msg.hash.data = hash;
msg.client = client_str;
/* flagi gg8 są różne od tych dla gg11 */
msg.initial_status = gs->initial_status ?
(gs->initial_status & 0xFF) : GG_STATUS_AVAIL;
if (gs->initial_descr != NULL) {
msg.initial_descr = gs->initial_descr;
}
/* GG11.0
msg.supported_features = "avatar,StatusComments,gg_account_sdp,"
"edisc,bot,fanpage,pubdir,botCaps"; */
/* GG11.2 */
msg.supported_features = "avatar,StatusComments,ggaccount,edisc,"
"music_shared,bot,fanpage,pubdir,botCaps,gifts,Gift";
msg.dummy4.len = sizeof(dummy4);
msg.dummy4.data = dummy4;
msg.has_dummy7 = 1;
msg.has_dummy8 = 1;
msg.has_dummy10 = 1;
if (!GG_PROTOBUF_SEND(gs, ge, GG_LOGIN105, gg105_login, msg))
return -1;
gs->state = GG_STATE_READING_REPLY;
gs->check = GG_CHECK_READ;
return 0;
}
static int gg_session_handle_login110_ok(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110LoginOK *msg = gg110_login_ok__unpack(NULL, len, (uint8_t*)ptr);
if (!GG_PROTOBUF_VALID(gs, "GG110LoginOK", msg))
return -1;
gg_protobuf_expected(gs, "GG110LoginOK.dummy1", msg->dummy1, 1);
gg_sync_time(gs, msg->server_time);
gg_debug_session(gs, GG_DEBUG_MISC, "// login110_ok: "
"uin=%u, dummyhash=%s\n", msg->uin, msg->dummyhash);
gg110_login_ok__free_unpacked(msg, NULL);
ge->type = GG_EVENT_CONN_SUCCESS;
gs->state = GG_STATE_CONNECTED;
gs->check = GG_CHECK_READ;
gs->timeout = -1;
gs->status = (gs->initial_status) ? gs->initial_status : GG_STATUS_AVAIL;
#if 0
free(gs->status_descr);
gs->status_descr = gs->initial_descr;
#else
free(gs->initial_descr);
#endif
gs->initial_descr = NULL;
return 0;
}
/**
* \internal Obsługuje pakiet GG_WELCOME.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_welcome(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_welcome *w;
int ret;
uint8_t hash_buf[64];
uint32_t local_ip;
struct sockaddr_in sin;
socklen_t sin_len = sizeof(sin);
uint32_t seed;
struct gg_login80 l80;
const char *client_name, *version, *descr;
uint32_t client_name_len, version_len, descr_len;
if (len < sizeof(struct gg_welcome)) {
ge->type = GG_EVENT_CONN_FAILED;
ge->event.failure = GG_FAILURE_INVALID;
gs->state = GG_STATE_IDLE;
gg_close(gs);
return 0;
}
w = (const struct gg_welcome*) ptr;
seed = gg_fix32(w->key);
if (gs->protocol_version >= GG_PROTOCOL_VERSION_110)
return gg_session_handle_welcome_110(gs, seed, ge);
memset(hash_buf, 0, sizeof(hash_buf));
switch (gs->hash_type) {
case GG_LOGIN_HASH_GG32:
{
uint32_t hash;
hash = gg_fix32(gg_login_hash((unsigned char*) gs->password, seed));
gg_debug_session(gs, GG_DEBUG_DUMP, "// gg_watch_fd() "
"challenge %.4x --> GG32 hash %.8x\n",
seed, hash);
memcpy(hash_buf, &hash, sizeof(hash));
break;
}
case GG_LOGIN_HASH_SHA1:
{
#ifndef GG_DEBUG_DISABLE
char tmp[41];
int i;
#endif
if (gg_login_hash_sha1_2(gs->password, seed, hash_buf) == -1) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_watch_fd() gg_login_hash_sha1_2()"
" failed, probably out of memory\n");
gg_close(gs);
ge->type = GG_EVENT_CONN_FAILED;
ge->event.failure = GG_FAILURE_INTERNAL;
gs->state = GG_STATE_IDLE;
return -1;
}
#ifndef GG_DEBUG_DISABLE
for (i = 0; i < 40; i += 2)
snprintf(tmp + i, sizeof(tmp) - i, "%02x", hash_buf[i / 2]);
gg_debug_session(gs, GG_DEBUG_DUMP, "// gg_watch_fd() "
"challenge %.4x --> SHA1 hash: %s\n",
seed, tmp);
#endif
break;
}
default:
break;
}
#if 0
if (gs->password != NULL && (gs->flags & (1 << GG_SESSION_FLAG_CLEAR_PASSWORD))) {
memset(gs->password, 0, strlen(gs->password));
free(gs->password);
gs->password = NULL;
}
#endif
if (!getsockname(gs->fd, (struct sockaddr*) &sin, &sin_len)) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() "
"detected address to %s\n", inet_ntoa(sin.sin_addr));
local_ip = sin.sin_addr.s_addr;
} else {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() unable to detect address\n");
local_ip = 0;
}
if (gs->external_addr == 0)
gs->external_addr = local_ip;
memset(&l80, 0, sizeof(l80));
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() sending GG_LOGIN80 packet\n");
l80.uin = gg_fix32(gs->uin);
memcpy(l80.language, GG8_LANG, sizeof(l80.language));
l80.hash_type = gs->hash_type;
memcpy(l80.hash, hash_buf, sizeof(l80.hash));
l80.status = gg_fix32(gs->initial_status ? gs->initial_status : GG_STATUS_AVAIL);
l80.flags = gg_fix32(gs->status_flags);
l80.features = gg_fix32(gs->protocol_features);
l80.image_size = gs->image_size;
l80.dunno2 = 0x64;
if (gs->client_version != NULL && !isdigit(gs->client_version[0])) {
client_name = "";
client_name_len = 0;
} else {
client_name = GG8_VERSION;
client_name_len = strlen(GG8_VERSION);
}
version = (gs->client_version != NULL) ? gs->client_version : GG_DEFAULT_CLIENT_VERSION_100;
version_len = gg_fix32(client_name_len + strlen(version));
descr = (gs->initial_descr != NULL) ? gs->initial_descr : "";
descr_len = (gs->initial_descr != NULL) ? gg_fix32(strlen(gs->initial_descr)) : 0;
ret = gg_send_packet(gs,
GG_LOGIN80,
&l80, sizeof(l80),
&version_len, sizeof(version_len),
client_name, client_name_len,
version, strlen(version),
&descr_len, sizeof(descr_len),
descr, strlen(descr),
NULL);
if (ret == -1) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() "
"sending packet failed. (errno=%d, %s)\n",
errno, strerror(errno));
gg_close(gs);
ge->type = GG_EVENT_CONN_FAILED;
ge->event.failure = GG_FAILURE_WRITING;
gs->state = GG_STATE_IDLE;
return -1;
}
gs->state = GG_STATE_READING_REPLY;
gs->check = GG_CHECK_READ;
return 0;
}
/**
* \internal Obsługuje pakiet GG_LOGIN_OK.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_login_ok(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() login succeded\n");
ge->type = GG_EVENT_CONN_SUCCESS;
gs->state = GG_STATE_CONNECTED;
gs->check = GG_CHECK_READ;
gs->timeout = -1;
gs->status = (gs->initial_status) ? gs->initial_status : GG_STATUS_AVAIL;
#if 0
free(gs->status_descr);
gs->status_descr = gs->initial_descr;
#else
free(gs->initial_descr);
#endif
gs->initial_descr = NULL;
return 0;
}
/**
* \internal Obsługuje pakiet GG_LOGIN_FAILED.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_login_failed(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
if (type != GG_DISCONNECTING)
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() login failed\n");
else
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd() too many incorrect password attempts\n");
ge->type = GG_EVENT_CONN_FAILED;
ge->event.failure = (type != GG_DISCONNECTING) ? GG_FAILURE_PASSWORD : GG_FAILURE_INTRUDER;
gs->state = GG_STATE_IDLE;
gg_close(gs);
errno = EACCES;
return 0;
}
/**
* \internal Obsługuje pakiet GG_SEND_MSG_ACK.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_send_msg_ack(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
struct gg_session_private *p = gs->private_data;
const struct gg_send_msg_ack *s = (const struct gg_send_msg_ack*) ptr;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a message ack\n");
ge->type = GG_EVENT_ACK;
ge->event.ack.status = gg_fix32(s->status);
ge->event.ack.recipient = gg_fix32(s->recipient);
ge->event.ack.seq = gg_fix32(s->seq);
if (ge->event.ack.seq == 0 && p->imgout_waiting_ack > 0)
p->imgout_waiting_ack--;
gg_image_sendout(gs);
return 0;
}
/**
* \internal Obsługuje pakiet GG_SEND_MSG_ACK110.
*/
static int gg_session_handle_send_msg_ack_110(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
struct gg_session_private *p = gs->private_data;
GG110MessageAck *msg = gg110_message_ack__unpack(NULL, len, (uint8_t*)ptr);
size_t i;
if (!GG_PROTOBUF_VALID(gs, "GG110MessageAck", msg))
return -1;
if (msg->dummy1 == 0x4000) {
/* zaobserwowane w EKG rev2856, po wywołaniu check_conn, czyli
* gg_image_request(sess, uin, 0, time(NULL));
*/
gg_debug_session(gs, GG_DEBUG_MISC | GG_DEBUG_WARNING,
"// gg_session_handle_send_msg_ack_110() magic dummy1 "
"value 0x4000\n");
} else if (msg->dummy1 != 0) {
gg_debug_session(gs, GG_DEBUG_MISC | GG_DEBUG_WARNING,
"// gg_session_handle_send_msg_ack_110() unknown dummy1 "
"value: %x\n", msg->dummy1);
}
gg_debug_session(gs, GG_DEBUG_VERBOSE,
"// gg_session_handle_send_msg_ack_110() "
"%s=%016" PRIx64 " %s=%016" PRIx64 "\n",
msg->has_msg_id ? "msg_id" : "0", msg->msg_id,
msg->has_conv_id ? "conv_id" : "0", msg->conv_id);
for (i = 0; i < msg->n_links; i++) {
GG110MessageAckLink *link = msg->links[i];
if (!GG_PROTOBUF_VALID(gs, "GG110MessageAckLink", link))
continue;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_send_msg_ack_110() "
"got link (id=%" PRIx64 ") \"%s\"\n", link->id, link->url);
}
ge->type = GG_EVENT_ACK110;
ge->event.ack110.msg_type = msg->msg_type;
ge->event.ack110.seq = msg->seq;
ge->event.ack110.time = msg->time;
gg_compat_message_ack(gs, msg->seq);
gg110_message_ack__free_unpacked(msg, NULL);
if (msg->seq == 0 && p->imgout_waiting_ack > 0)
p->imgout_waiting_ack--;
gg_image_sendout(gs);
return 0;
}
/**
* \internal Obsługuje pakiet GG_PONG.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_pong(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a pong\n");
ge->type = GG_EVENT_PONG;
gs->last_pong = time(NULL);
return 0;
}
/**
* \internal Obsługuje pakiet GG_DISCONNECTING.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_disconnecting(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received disconnection warning\n");
ge->type = GG_EVENT_DISCONNECT;
return 0;
}
/**
* \internal Obsługuje pakiet GG_DISCONNECT_ACK.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_disconnect_ack(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received logoff acknowledge\n");
ge->type = GG_EVENT_DISCONNECT_ACK;
return 0;
}
/**
* \internal Obsługuje pakiety GG_XML_EVENT i GG_XML_ACTION.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_xml_event(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received XML event\n");
ge->type = GG_EVENT_XML_EVENT;
ge->event.xml_event.data = malloc(len + 1);
if (ge->event.xml_event.data == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
memcpy(ge->event.xml_event.data, ptr, len);
ge->event.xml_event.data[len] = 0;
return 0;
}
static int gg_session_handle_event_110(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110Event *msg = gg110_event__unpack(NULL, len, (uint8_t*)ptr);
int succ = 1;
if (!GG_PROTOBUF_VALID(gs, "GG110Event", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_session_handle_event_110: "
"received GG11 event (type=%d, id=%" PRIx64 ")\n", msg->type, msg->id);
if (msg->type == GG110_EVENT__TYPE__XML) {
ge->type = GG_EVENT_XML_EVENT;
ge->event.xml_event.data = strdup(msg->data);
succ = succ && (ge->event.xml_event.data != NULL);
} else if (msg->type == GG110_EVENT__TYPE__JSON) {
ge->type = GG_EVENT_JSON_EVENT;
ge->event.json_event.data = strdup(msg->data);
succ = succ && (ge->event.json_event.data != NULL);
ge->event.json_event.type = strdup(msg->subtype);
succ = succ && (ge->event.json_event.type != NULL);
} else {
gg_debug_session(gs, GG_DEBUG_WARNING,
"// gg_session_handle_event_110: "
"unsupported GG11 event type: %d\n", msg->type);
succ = 0;
}
if (gg_ack_110(gs, GG110_ACK__TYPE__MPA, msg->seq, ge) != 0) {
succ = 0;
}
gg110_event__free_unpacked(msg, NULL);
return succ ? 0 : -1;
}
/**
* \internal Obsługuje pakiet GG_PUBDIR50_REPLY.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_pubdir50_reply(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received pubdir/search reply\n");
return gg_pubdir50_handle_reply_sess(gs, ge, ptr, len);
}
/**
* \internal Obsługuje pakiet GG_USERLIST_REPLY.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_userlist_reply(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
char reply_type;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received userlist reply\n");
reply_type = ptr[0];
/* jeśli odpowiedź na eksport, wywołaj zdarzenie tylko
* gdy otrzymano wszystkie odpowiedzi */
if (reply_type == GG_USERLIST_PUT_REPLY || reply_type == GG_USERLIST_PUT_MORE_REPLY) {
if (--gs->userlist_blocks)
return 0;
reply_type = GG_USERLIST_PUT_REPLY;
}
if (len > 1) {
unsigned int reply_len = (gs->userlist_reply != NULL) ? strlen(gs->userlist_reply) : 0;
char *tmp;
gg_debug_session(gs, GG_DEBUG_MISC, "userlist_reply=%p, len=%"
GG_SIZE_FMT "\n", gs->userlist_reply, len);
if (reply_len + len > GG_USERLIST_REPLY_MAX_LENGTH) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_userlist_reply() "
"too many userlist replies\n");
return -1;
}
tmp = realloc(gs->userlist_reply, reply_len + len);
if (tmp == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
gs->userlist_reply = tmp;
memcpy(gs->userlist_reply + reply_len, ptr + 1, len - 1);
gs->userlist_reply[reply_len + len - 1] = 0;
}
if (reply_type == GG_USERLIST_GET_MORE_REPLY)
return 0;
ge->type = GG_EVENT_USERLIST;
ge->event.userlist.type = reply_type;
ge->event.userlist.reply = gs->userlist_reply;
gs->userlist_reply = NULL;
return 0;
}
/**
* \internal Obsługuje pakiet GG_DCC7_ID_REPLY.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_dcc7_id_reply(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received dcc7 id packet\n");
return gg_dcc7_handle_id(gs, ge, ptr, len);
}
/**
* \internal Obsługuje pakiet GG_DCC7_ACCEPT.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_dcc7_accept(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received dcc7 accept\n");
return gg_dcc7_handle_accept(gs, ge, ptr, len);
}
/**
* \internal Obsługuje pakiet GG_DCC7_NEW.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_dcc7_new(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received dcc7 request\n");
return gg_dcc7_handle_new(gs, ge, ptr, len);
}
/**
* \internal Obsługuje pakiet GG_DCC7_REJECT.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_dcc7_reject(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received dcc7 reject\n");
return gg_dcc7_handle_reject(gs, ge, ptr, len);
}
/**
* \internal Obsługuje pakiet GG_DCC7_INFO.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_dcc7_info(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received dcc7 info\n");
return gg_dcc7_handle_info(gs, ge, ptr, len);
}
/**
* \internal Analizuje przychodzący pakiet z obrazkiem.
*
* \param e Struktura zdarzenia
* \param p Bufor z danymi
* \param len Długość bufora
* \param sess Struktura sesji
* \param sender Numer nadawcy
* \param type Typ pakietu (NIE typ GG_MSG_OPTION_IMAGE_*)
*/
static void gg_image_queue_parse(struct gg_event *e, const char *p,
unsigned int len, struct gg_session *sess, uin_t sender,
uint32_t type)
{
const struct gg_msg_image_reply *i = (const void*) p;
struct gg_image_queue *q, *qq;
gg_debug_session(sess, GG_DEBUG_VERBOSE,
"// gg_image_queue_parse(%p, %p, %d, %p, %u, %d)\n",
e, p, len, sess, sender, type);
if (!p || !sess || !e) {
errno = EFAULT;
return;
}
if (i->flag == GG_MSG_OPTION_IMAGE_REQUEST) {
e->type = GG_EVENT_IMAGE_REQUEST;
e->event.image_request.sender = sender;
e->event.image_reply.size = i->size;
e->event.image_request.crc32 = i->crc32;
return;
}
/* znajdź dany obrazek w kolejce danej sesji */
for (qq = sess->images, q = NULL; qq; qq = qq->next) {
if (sender == qq->sender && i->size == qq->size && i->crc32 == qq->crc32) {
q = qq;
break;
}
}
if (!q) {
gg_debug_session(sess, GG_DEBUG_WARNING,
"// gg_image_queue_parse() unknown image from %d, "
"size=%d, crc32=%.8x\n", sender, i->size, i->crc32);
return;
}
if (q->packet_type == 0)
q->packet_type = type;
if (q->packet_type != type)
return;
if (i->flag == GG_MSG_OPTION_IMAGE_REPLY) {
q->done = 0;
len -= sizeof(struct gg_msg_image_reply);
p += sizeof(struct gg_msg_image_reply);
if (memchr(p, 0, len) == NULL) {
gg_debug_session(sess, GG_DEBUG_ERROR,
"// gg_image_queue_parse() malformed packet "
"from %d, unlimited filename\n", sender);
return;
}
if (!(q->filename = strdup(p))) {
gg_debug_session(sess, GG_DEBUG_ERROR, "// gg_image_queue_parse() out of memory\n");
return;
}
len -= strlen(p) + 1;
p += strlen(p) + 1;
} else if (i->flag == GG_MSG_OPTION_IMAGE_REPLY_MORE) {
len -= sizeof(struct gg_msg_image_reply);
p += sizeof(struct gg_msg_image_reply);
} else {
gg_debug_session(sess, GG_DEBUG_WARNING, "// gg_image_queue_parse() unexpected flag\n");
return;
}
if (q->done + len > q->size) {
gg_debug_session(sess, GG_DEBUG_ERROR, "// gg_image_queue_parse() got too much\n");
len = q->size - q->done;
}
memcpy(q->image + q->done, p, len);
q->done += len;
gg_debug_session(sess, GG_DEBUG_VERBOSE,
"// gg_image_queue_parse() got image part (done: %d of %d)\n",
q->done, q->size);
/* jeśli skończono odbierać obrazek, wygeneruj zdarzenie */
if (q->done >= q->size) {
gg_debug_session(sess, GG_DEBUG_VERBOSE,
"// gg_image_queue_parse() image ready\n");
e->type = GG_EVENT_IMAGE_REPLY;
e->event.image_reply.sender = sender;
e->event.image_reply.size = q->size;
e->event.image_reply.crc32 = q->crc32;
e->event.image_reply.filename = q->filename;
e->event.image_reply.image = q->image;
gg_image_queue_remove(sess, q, 0);
free(q);
}
}
/**
* \internal Analizuje informacje rozszerzone wiadomości.
*
* \param sess Struktura sesji.
* \param e Struktura zdarzenia.
* \param sender Numer nadawcy.
* \param p Wskaźnik na dane rozszerzone.
* \param packet_end Wskaźnik na koniec pakietu.
* \param packet_type Typ pakietu, w którym otrzymaliśmy wiadomość.
*
* \return 0 jeśli się powiodło, -1 jeśli wiadomość obsłużono i wynik ma
* zostać przekazany aplikacji, -2 jeśli wystąpił błąd ogólny, -3 jeśli
* wiadomość jest niepoprawna.
*/
static int gg_handle_recv_msg_options(struct gg_session *sess,
struct gg_event *e, uin_t sender, const char *p, const char *packet_end,
uint32_t packet_type)
{
while (p < packet_end) {
switch (*p) {
case GG_MSG_OPTION_CONFERENCE:
{
const struct gg_msg_recipients *m = (const void*) p;
uint32_t i, count;
p += sizeof(*m);
if (p > packet_end) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" packet out of bounds (1)\n");
goto malformed;
}
count = gg_fix32(m->count);
if (p + count * sizeof(uin_t) > packet_end ||
p + count * sizeof(uin_t) < p ||
count > 0xffff)
{
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" packet out of bounds (1.5)\n");
goto malformed;
}
if (e->event.msg.recipients != NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" e->event.msg.recipients already exist\n");
goto malformed;
}
e->event.msg.recipients = malloc(count * sizeof(uin_t));
if (e->event.msg.recipients == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" not enough memory for recipients data\n");
goto fail;
}
memcpy(e->event.msg.recipients, p, count * sizeof(uin_t));
p += count * sizeof(uin_t);
for (i = 0; i < count; i++)
e->event.msg.recipients[i] = gg_fix32(e->event.msg.recipients[i]);
e->event.msg.recipients_count = count;
break;
}
case GG_MSG_OPTION_ATTRIBUTES:
{
uint16_t len;
char *buf;
if (p + 3 > packet_end) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" packet out of bounds (2)\n");
goto malformed;
}
memcpy(&len, p + 1, sizeof(uint16_t));
len = gg_fix16(len);
if (e->event.msg.formats != NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" e->event.msg.formats already exist\n");
goto malformed;
}
buf = malloc(len);
if (buf == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" not enough memory for richtext data\n");
goto fail;
}
p += 3;
if (p + len > packet_end) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" packet out of bounds (3)\n");
free(buf);
goto malformed;
}
memcpy(buf, p, len);
e->event.msg.formats = buf;
e->event.msg.formats_length = len;
p += len;
break;
}
case GG_MSG_OPTION_IMAGE_REQUEST:
{
const struct gg_msg_image_request *i = (const void*) p;
if (p + sizeof(*i) > packet_end) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg() "
"packet out of bounds (3)\n");
goto malformed;
}
if (e->event.msg.formats != NULL || e->event.msg.recipients != NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options()"
" mixed options (1)\n");
goto malformed;
}
e->event.image_request.sender = sender;
e->event.image_request.size = gg_fix32(i->size);
e->event.image_request.crc32 = gg_fix32(i->crc32);
e->type = GG_EVENT_IMAGE_REQUEST;
goto handled;
}
case GG_MSG_OPTION_IMAGE_REPLY:
case GG_MSG_OPTION_IMAGE_REPLY_MORE:
{
struct gg_msg_image_reply *rep = (void*) p;
if (e->event.msg.formats != NULL || e->event.msg.recipients != NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg_options() "
"mixed options (2)\n");
goto malformed;
}
if (p + sizeof(struct gg_msg_image_reply) == packet_end) {
/* pusta odpowiedź - klient po drugiej stronie nie ma żądanego obrazka */
e->type = GG_EVENT_IMAGE_REPLY;
e->event.image_reply.sender = sender;
e->event.image_reply.size = 0;
e->event.image_reply.crc32 = gg_fix32(rep->crc32);
e->event.image_reply.filename = NULL;
e->event.image_reply.image = NULL;
goto handled;
} else if (p + sizeof(struct gg_msg_image_reply) + 1 > packet_end) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg() "
"packet out of bounds (4)\n");
goto malformed;
}
rep->size = gg_fix32(rep->size);
rep->crc32 = gg_fix32(rep->crc32);
gg_image_queue_parse(e, p, (unsigned int)(packet_end - p), sess, sender, packet_type);
goto handled;
}
default:
{
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg() "
"unknown payload 0x%.2x\n", *p);
p = packet_end;
}
}
}
return 0;
handled:
return -1;
fail:
return -2;
malformed:
return -3;
}
/**
* \internal Wysyła potwierdzenie odebrania wiadomości.
*
* \param gs Struktura sesji
* \param seq Numer sekwencyjny odebranej wiadomości
*
* \return 0 jeśli się powiodło, -1 jeśli wystąpił błąd
*/
static int gg_session_send_msg_ack(struct gg_session *gs, uint32_t seq)
{
struct gg_recv_msg_ack pkt;
gg_debug_session(gs, GG_DEBUG_FUNCTION, "** gg_session_send_msg_ack(%p);\n", gs);
if ((gs->protocol_features & GG_FEATURE_MSG_ACK) == 0)
return 0;
/* Kiedyś zdawało nam się, że mamy wysyłać liczbę odebranych
* wiadomości, ale okazało się, że numer sekwencyjny. */
gs->recv_msg_count++;
pkt.seq = gg_fix32(seq);
return gg_send_packet(gs, GG_RECV_MSG_ACK, &pkt, sizeof(pkt), NULL);
}
/**
* \internal Obsługuje pakiet GG_RECV_MSG.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_recv_msg(struct gg_session *sess, uint32_t type,
const char *packet, size_t length, struct gg_event *e)
{
const struct gg_recv_msg *r = (const struct gg_recv_msg*) packet;
const char *payload = packet + sizeof(struct gg_recv_msg);
const char *payload_end = packet + length;
size_t len;
gg_debug_session(sess, GG_DEBUG_FUNCTION, "** gg_handle_recv_msg(%p, %"
GG_SIZE_FMT ", %p);\n", packet, length, e);
if (sess == NULL)
goto fail;
if ((r->seq == 0) && (r->msgclass == 0)) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_handle_recv_msg() oops, silently ignoring the bait\n");
goto malformed;
}
/* jednobajtowa wiadomość o treści \x02 to żądanie połączenia DCC */
if (*payload == GG_MSG_CALLBACK && payload == payload_end - 1) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_handle_recv_msg() received ctcp packet\n");
length = 1;
} else {
const char *options;
options = memchr(payload, 0, (size_t) (payload_end - payload));
if (options == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg() malformed packet, "
"message out of bounds (0)\n");
goto malformed;
}
length = (size_t) (options - payload);
switch (gg_handle_recv_msg_options(sess, e, gg_fix32(r->sender), options + 1, payload_end, type)) {
case -1: /* handled */
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
case -2: /* failed */
goto fail;
case -3: /* malformed */
goto malformed;
}
}
e->type = GG_EVENT_MSG;
e->event.msg.msgclass = gg_fix32(r->msgclass);
e->event.msg.sender = gg_fix32(r->sender);
e->event.msg.time = gg_fix32(r->time);
e->event.msg.seq = gg_fix32(r->seq);
e->event.msg.message = (unsigned char*)gg_encoding_convert(payload,
GG_ENCODING_CP1250, sess->encoding, length, -1);
if (e->event.msg.message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_session_handle_recv_msg() out of memory\n");
goto fail;
}
len = gg_message_text_to_html(NULL, (char*)e->event.msg.message,
sess->encoding, e->event.msg.formats,
e->event.msg.formats_length);
e->event.msg.xhtml_message = malloc(len + 1);
if (e->event.msg.xhtml_message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_session_handle_recv_msg() out of memory\n");
goto fail;
}
gg_message_text_to_html(e->event.msg.xhtml_message,
(char*)e->event.msg.message, sess->encoding,
e->event.msg.formats, e->event.msg.formats_length);
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
fail:
free(e->event.msg.message);
free(e->event.msg.xhtml_message);
free(e->event.msg.recipients);
free(e->event.msg.formats);
return -1;
malformed:
e->type = GG_EVENT_NONE;
free(e->event.msg.message);
free(e->event.msg.xhtml_message);
free(e->event.msg.recipients);
free(e->event.msg.formats);
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
}
/**
* \internal Obsługuje pakiet GG_RECV_MSG80.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_recv_msg_80(struct gg_session *sess, uint32_t type,
const char *packet, size_t length, struct gg_event *e)
{
const struct gg_recv_msg80 *r = (const struct gg_recv_msg80*) packet;
uint32_t offset_plain;
uint32_t offset_attr;
gg_debug_session(sess, GG_DEBUG_FUNCTION,
"** gg_handle_recv_msg80(%p, %" GG_SIZE_FMT ", %p);\n",
packet, length, e);
if (sess == NULL)
goto fail;
if (r->seq == 0 && r->msgclass == 0) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_handle_recv_msg80() oops, silently ignoring the bait\n");
goto malformed;
}
offset_plain = gg_fix32(r->offset_plain);
offset_attr = gg_fix32(r->offset_attr);
if (offset_plain < sizeof(struct gg_recv_msg80) || offset_plain >= length) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg80() malformed packet, "
"message out of bounds (0)\n");
goto malformed;
}
if (offset_attr < sizeof(struct gg_recv_msg80) || offset_attr > length) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg80() malformed packet, "
"attr out of bounds (1)\n");
offset_attr = 0; /* nie parsuj attr. */
}
/* Normalna sytuacja, więc nie podpada pod powyższy warunek. */
if (offset_attr == length)
offset_attr = 0;
if (memchr(packet + offset_plain, 0, length - offset_plain) == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg80() malformed packet, "
"message out of bounds (2)\n");
goto malformed;
}
if (offset_plain > sizeof(struct gg_recv_msg80) && memchr(packet +
sizeof(struct gg_recv_msg80), 0, offset_plain -
sizeof(struct gg_recv_msg80)) == NULL)
{
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_handle_recv_msg80() malformed packet, "
"message out of bounds (3)\n");
goto malformed;
}
e->type = (type != GG_RECV_OWN_MSG) ? GG_EVENT_MSG : GG_EVENT_MULTILOGON_MSG;
e->event.msg.msgclass = gg_fix32(r->msgclass);
e->event.msg.sender = gg_fix32(r->sender);
e->event.msg.time = gg_fix32(r->time);
e->event.msg.seq = gg_fix32(r->seq);
if (offset_attr != 0) {
switch (gg_handle_recv_msg_options(sess, e, gg_fix32(r->sender),
packet + offset_attr, packet + length, type))
{
case -1: /* handled */
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
case -2: /* failed */
goto fail;
case -3: /* malformed */
goto malformed;
}
}
if (sess->encoding == GG_ENCODING_CP1250) {
e->event.msg.message = (unsigned char*) strdup(packet + offset_plain);
if (e->event.msg.message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_session_handle_recv_msg_80() out of memory\n");
goto fail;
}
} else {
if (offset_plain > sizeof(struct gg_recv_msg80)) {
size_t len, fmt_len;
len = gg_message_html_to_text(NULL, NULL, &fmt_len,
packet + sizeof(struct gg_recv_msg80),
GG_ENCODING_UTF8);
e->event.msg.message = malloc(len + 1);
if (e->event.msg.message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_session_handle_recv_msg_80() "
"out of memory\n");
goto fail;
}
free(e->event.msg.formats);
e->event.msg.formats_length = fmt_len;
e->event.msg.formats = malloc(fmt_len);
if (e->event.msg.formats == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_session_handle_recv_msg_80() "
"out of memory\n");
goto fail;
}
gg_message_html_to_text((char*)e->event.msg.message,
e->event.msg.formats, NULL,
packet + sizeof(struct gg_recv_msg80),
GG_ENCODING_UTF8);
} else {
e->event.msg.message = (unsigned char*)gg_encoding_convert(
packet + offset_plain, GG_ENCODING_CP1250,
sess->encoding, -1, -1);
if (e->event.msg.message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC,
"// gg_session_handle_recv_msg_80() "
"out of memory\n");
goto fail;
}
}
}
if (offset_plain > sizeof(struct gg_recv_msg80)) {
e->event.msg.xhtml_message = gg_encoding_convert(
packet + sizeof(struct gg_recv_msg80), GG_ENCODING_UTF8,
sess->encoding, -1, -1);
if (e->event.msg.xhtml_message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_session_handle_recv_msg_80() out of memory\n");
goto fail;
}
} else {
size_t len;
len = gg_message_text_to_html(NULL,
(char*)e->event.msg.message, sess->encoding,
e->event.msg.formats, e->event.msg.formats_length);
e->event.msg.xhtml_message = malloc(len + 1);
if (e->event.msg.xhtml_message == NULL) {
gg_debug_session(sess, GG_DEBUG_MISC, "// gg_session_handle_recv_msg_80() out of memory\n");
goto fail;
}
gg_message_text_to_html(e->event.msg.xhtml_message,
(char*)e->event.msg.message, sess->encoding,
e->event.msg.formats, e->event.msg.formats_length);
}
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
fail:
free(e->event.msg.message);
free(e->event.msg.xhtml_message);
free(e->event.msg.recipients);
free(e->event.msg.formats);
return -1;
malformed:
e->type = GG_EVENT_NONE;
free(e->event.msg.message);
free(e->event.msg.xhtml_message);
free(e->event.msg.recipients);
free(e->event.msg.formats);
gg_session_send_msg_ack(sess, gg_fix32(r->seq));
return 0;
}
static int gg_session_handle_recv_msg_110(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110RecvMessage *msg = gg110_recv_message__unpack(NULL, len, (uint8_t*)ptr);
uint8_t ack_type;
uin_t sender = 0;
uint32_t seq;
int succ = 1;
struct gg_event_msg *ev = &ge->event.msg;
gg_debug_session(gs, GG_DEBUG_FUNCTION,
"** gg_session_handle_recv_msg_110(%p, %" GG_SIZE_FMT
", %p);\n", ptr, len, ge);
if (!GG_PROTOBUF_VALID(gs, "GG110RecvMessage", msg))
return -1;
seq = msg->seq;
if (type == GG_CHAT_RECV_MSG || type == GG_CHAT_RECV_OWN_MSG)
ack_type = GG110_ACK__TYPE__CHAT;
else
ack_type = GG110_ACK__TYPE__MSG;
if (msg->has_msg_id || msg->has_conv_id) {
msg->msg_id = msg->has_msg_id ? msg->msg_id : 0;
msg->conv_id = msg->has_conv_id ? msg->conv_id : 0;
gg_debug_session(gs, GG_DEBUG_VERBOSE,
"// gg_session_handle_recv_msg_110() "
"msg_id=%016" PRIx64 " conv_id=%016" PRIx64 "\n",
msg->msg_id, msg->conv_id);
}
if (msg->has_sender)
sender = gg_protobuf_get_uin(msg->sender);
else if (type == GG_CHAT_RECV_OWN_MSG)
sender = gs->uin;
if (msg->has_data && msg->msg_plain[0] == '\0') {
if (msg->data.len < sizeof(struct gg_msg_image_reply)) {
gg_debug_session(gs, GG_DEBUG_ERROR,
"// gg_session_handle_recv_msg_110() "
"packet too small (%" GG_SIZE_FMT " < %"
GG_SIZE_FMT ")\n", msg->data.len,
sizeof(struct gg_msg_image_reply));
} else {
gg_image_queue_parse(ge, (char *)msg->data.data,
msg->data.len, gs, sender, type);
}
gg110_recv_message__free_unpacked(msg, NULL);
return gg_ack_110(gs, GG110_ACK__TYPE__MSG, seq, ge);
}
if (type == GG_RECV_OWN_MSG110 || type == GG_CHAT_RECV_OWN_MSG)
ge->type = GG_EVENT_MULTILOGON_MSG;
else
ge->type = GG_EVENT_MSG;
ev->msgclass = GG_CLASS_CHAT;
ev->seq = seq;
ev->sender = sender;
ev->flags = msg->flags;
ev->seq = seq;
ev->time = msg->time;
if (abs(msg->time - gg_server_time(gs)) > 2)
ev->msgclass |= GG_CLASS_QUEUED;
ev->message = NULL;
if (msg->msg_plain[0] != '\0') {
ev->message = (unsigned char*)gg_encoding_convert(
msg->msg_plain, GG_ENCODING_UTF8, gs->encoding, -1, -1);
succ = succ && (ev->message != NULL);
}
ev->xhtml_message = NULL;
if (msg->msg_xhtml != NULL) {
ev->xhtml_message = gg_encoding_convert(
msg->msg_xhtml, GG_ENCODING_UTF8, gs->encoding, -1, -1);
succ = succ && (ev->xhtml_message != NULL);
}
/* wiadomości wysłane z mobilnego gg nie posiadają wersji xhtml */
if (ev->message == NULL && ev->xhtml_message == NULL) {
ev->message = (unsigned char*)strdup("");
succ = succ && (ev->message != NULL);
} else if (ev->message == NULL) {
ev->message = (unsigned char*)gg_message_html_to_text_110(
ev->xhtml_message);
succ = succ && (ev->message != NULL);
} else if (ev->xhtml_message == NULL) {
ev->xhtml_message = gg_message_text_to_html_110(
(char*)ev->message, -1);
succ = succ && (ev->xhtml_message != NULL);
}
/* otrzymywane tylko od gg <= 10.5 */
ev->formats = NULL;
ev->formats_length = 0;
if (msg->has_data && succ) {
ev->formats_length = msg->data.len;
ev->formats = malloc(msg->data.len);
if (ev->formats == NULL)
succ = 0;
else
memcpy(ev->formats, msg->data.data, msg->data.len);
}
if (msg->has_chat_id && succ) {
gg_chat_list_t *chat;
ev->chat_id = msg->chat_id;
chat = gg_chat_find(gs, msg->chat_id);
if (chat) {
size_t rcpt_size = chat->participants_count *
sizeof(uin_t);
ev->recipients = malloc(rcpt_size);
ev->recipients_count = chat->participants_count;
if (ev->recipients == NULL)
succ = 0;
else {
memcpy(ev->recipients, chat->participants,
rcpt_size);
}
}
}
gg110_recv_message__free_unpacked(msg, NULL);
if (gg_ack_110(gs, ack_type, seq, ge) != 0)
succ = 0;
if (succ)
return 0;
else {
free(ev->message);
free(ev->xhtml_message);
free(ev->formats);
free(ev->recipients);
return -1;
}
}
/**
* \internal Obsługuje pakiet GG_STATUS.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_status(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_status *s = (const void*) ptr;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a status change\n");
ge->type = GG_EVENT_STATUS;
ge->event.status.uin = gg_fix32(s->uin);
ge->event.status.status = gg_fix32(s->status);
ge->event.status.descr = NULL;
if (len > sizeof(*s)) {
ge->event.status.descr = gg_encoding_convert(ptr + sizeof(*s),
GG_ENCODING_CP1250, gs->encoding, len - sizeof(*s), -1);
if (ge->event.status.descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
}
return 0;
}
/**
* \internal Obsługuje pakiety GG_STATUS60, GG_STATUS77 i GG_STATUS80BETA.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_status_60_77_80beta(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_status60 *s60 = (const void*) ptr;
const struct gg_status77 *s77 = (const void*) ptr;
size_t struct_len;
uint32_t uin;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a status change\n");
ge->type = GG_EVENT_STATUS60;
ge->event.status60.descr = NULL;
ge->event.status60.time = 0;
if (type == GG_STATUS60) {
uin = gg_fix32(s60->uin);
ge->event.status60.status = s60->status;
ge->event.status60.remote_ip = s60->remote_ip;
ge->event.status60.remote_port = gg_fix16(s60->remote_port);
ge->event.status60.version = s60->version;
ge->event.status60.image_size = s60->image_size;
struct_len = sizeof(*s60);
} else {
uin = gg_fix32(s77->uin);
ge->event.status60.status = s77->status;
ge->event.status60.remote_ip = s77->remote_ip;
ge->event.status60.remote_port = gg_fix16(s77->remote_port);
ge->event.status60.version = s77->version;
ge->event.status60.image_size = s77->image_size;
struct_len = sizeof(*s77);
}
ge->event.status60.uin = uin & 0x00ffffff;
if (uin & 0x40000000)
ge->event.status60.version |= GG_HAS_AUDIO_MASK;
if (uin & 0x20000000)
ge->event.status60.version |= GG_HAS_AUDIO7_MASK;
if (uin & 0x08000000)
ge->event.status60.version |= GG_ERA_OMNIX_MASK;
if (len > struct_len) {
size_t descr_len;
descr_len = len - struct_len;
ge->event.status60.descr = gg_encoding_convert(ptr + struct_len,
(type == GG_STATUS80BETA) ? GG_ENCODING_UTF8 : GG_ENCODING_CP1250,
gs->encoding, descr_len, -1);
if (ge->event.status60.descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
if (descr_len > 4 && ptr[len - 5] == 0) {
uint32_t t;
memcpy(&t, ptr + len - 4, sizeof(uint32_t));
ge->event.status60.time = gg_fix32(t);
}
}
return 0;
}
/**
* \internal Obsługuje pakiet GG_NOTIFY_REPLY.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_notify_reply(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_notify_reply *n = (const void*) ptr;
char *descr;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
if (gg_fix32(n->status) == GG_STATUS_BUSY_DESCR ||
gg_fix32(n->status) == GG_STATUS_NOT_AVAIL_DESCR ||
gg_fix32(n->status) == GG_STATUS_AVAIL_DESCR)
{
size_t descr_len;
ge->type = GG_EVENT_NOTIFY_DESCR;
if (!(ge->event.notify_descr.notify = (void*) malloc(sizeof(*n) * 2))) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
ge->event.notify_descr.notify[1].uin = 0;
memcpy(ge->event.notify_descr.notify, ptr, sizeof(*n));
ge->event.notify_descr.notify[0].uin = gg_fix32(ge->event.notify_descr.notify[0].uin);
ge->event.notify_descr.notify[0].status = gg_fix32(ge->event.notify_descr.notify[0].status);
ge->event.notify_descr.notify[0].remote_port = gg_fix16(ge->event.notify_descr.notify[0].remote_port);
ge->event.notify_descr.notify[0].version = gg_fix32(ge->event.notify_descr.notify[0].version);
descr_len = len - sizeof(*n);
descr = gg_encoding_convert(ptr + sizeof(*n), GG_ENCODING_CP1250, gs->encoding, descr_len, -1);
if (descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
ge->event.notify_descr.descr = descr;
} else {
unsigned int i, count;
ge->type = GG_EVENT_NOTIFY;
if (!(ge->event.notify = (void*) malloc(len + 2 * sizeof(*n)))) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
memcpy(ge->event.notify, ptr, len);
count = len / sizeof(*n);
ge->event.notify[count].uin = 0;
for (i = 0; i < count; i++) {
ge->event.notify[i].uin = gg_fix32(ge->event.notify[i].uin);
ge->event.notify[i].status = gg_fix32(ge->event.notify[i].status);
ge->event.notify[i].remote_port = gg_fix16(ge->event.notify[i].remote_port);
ge->event.notify[i].version = gg_fix32(ge->event.notify[i].version);
}
}
return 0;
}
/**
* \internal Obsługuje pakiet GG_STATUS80.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_status_80(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_notify_reply80 *n = (const void*) ptr;
size_t descr_len;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a status change\n");
ge->type = GG_EVENT_STATUS60;
ge->event.status60.uin = gg_fix32(n->uin);
ge->event.status60.status = gg_fix32(n->status);
ge->event.status60.remote_ip = n->remote_ip;
ge->event.status60.remote_port = gg_fix16(n->remote_port);
ge->event.status60.version = 0;
ge->event.status60.image_size = n->image_size;
ge->event.status60.descr = NULL;
ge->event.status60.time = 0;
descr_len = gg_fix32(n->descr_len);
if (descr_len != 0 && sizeof(struct gg_notify_reply80) + descr_len <= len) {
ge->event.status60.descr = gg_encoding_convert(
(const char*) n + sizeof(struct gg_notify_reply80),
GG_ENCODING_UTF8, gs->encoding, descr_len, -1);
if (ge->event.status60.descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
/* XXX czas */
}
return 0;
}
/**
* \internal Obsługuje pakiet GG_NOTIFY_REPLY80.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_notify_reply_80(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_notify_reply80 *n = (const void*) ptr;
unsigned int length = len, i = 0;
/* TODO: najpierw przeanalizować strukturę i określić
* liczbę rekordów, żeby obyć się bez realloc()
*/
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
ge->type = GG_EVENT_NOTIFY60;
ge->event.notify60 = malloc(sizeof(*ge->event.notify60));
if (!ge->event.notify60) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
ge->event.notify60[0].uin = 0;
while (length >= sizeof(struct gg_notify_reply80)) {
uin_t uin = gg_fix32(n->uin);
int descr_len;
void *tmp;
ge->event.notify60[i].uin = uin;
ge->event.notify60[i].status = gg_fix32(n->status);
ge->event.notify60[i].remote_ip = n->remote_ip;
ge->event.notify60[i].remote_port = gg_fix16(n->remote_port);
ge->event.notify60[i].version = 0;
ge->event.notify60[i].image_size = n->image_size;
ge->event.notify60[i].descr = NULL;
ge->event.notify60[i].time = 0;
descr_len = gg_fix32(n->descr_len);
if (descr_len != 0) {
if (sizeof(struct gg_notify_reply80) + descr_len <= length) {
ge->event.notify60[i].descr = gg_encoding_convert(
(const char*) n + sizeof(struct gg_notify_reply80),
GG_ENCODING_UTF8, gs->encoding, descr_len, -1);
if (ge->event.notify60[i].descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_watch_fd_connected() "
"out of memory\n");
return -1;
}
/* XXX czas */
length -= sizeof(struct gg_notify_reply80) + descr_len;
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply80) + descr_len);
} else {
length = 0;
}
} else {
length -= sizeof(struct gg_notify_reply80);
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply80));
}
if (!(tmp = realloc(ge->event.notify60, (i + 2) * sizeof(*ge->event.notify60)))) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
free(ge->event.notify60);
return -1;
}
ge->event.notify60 = tmp;
ge->event.notify60[++i].uin = 0;
}
return 0;
}
/**
* \internal Obsługuje pakiety GG_NOTIFY_REPLY77 i GG_NOTIFY_REPLY80BETA.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_notify_reply_77_80beta(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_notify_reply77 *n = (const void*) ptr;
unsigned int length = len, i = 0;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
ge->type = GG_EVENT_NOTIFY60;
ge->event.notify60 = malloc(sizeof(*ge->event.notify60));
if (ge->event.notify60 == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
ge->event.notify60[0].uin = 0;
while (length >= sizeof(struct gg_notify_reply77)) {
uin_t uin = gg_fix32(n->uin);
void *tmp;
ge->event.notify60[i].uin = uin & 0x00ffffff;
ge->event.notify60[i].status = n->status;
ge->event.notify60[i].remote_ip = n->remote_ip;
ge->event.notify60[i].remote_port = gg_fix16(n->remote_port);
ge->event.notify60[i].version = n->version;
ge->event.notify60[i].image_size = n->image_size;
ge->event.notify60[i].descr = NULL;
ge->event.notify60[i].time = 0;
if (uin & 0x40000000)
ge->event.notify60[i].version |= GG_HAS_AUDIO_MASK;
if (uin & 0x20000000)
ge->event.notify60[i].version |= GG_HAS_AUDIO7_MASK;
if (uin & 0x08000000)
ge->event.notify60[i].version |= GG_ERA_OMNIX_MASK;
if (GG_S_D(n->status)) {
unsigned char descr_len = *((const char*) n + sizeof(struct gg_notify_reply77));
if (sizeof(struct gg_notify_reply77) + descr_len <= length) {
ge->event.notify60[i].descr = gg_encoding_convert(
(const char*) n + sizeof(struct gg_notify_reply77) + 1,
(type == GG_NOTIFY_REPLY80BETA) ? GG_ENCODING_UTF8 : GG_ENCODING_CP1250,
gs->encoding, descr_len, -1);
if (ge->event.notify60[i].descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_watch_fd_connected() "
"out of memory\n");
return -1;
}
/* XXX czas */
length -= sizeof(struct gg_notify_reply77) + descr_len + 1;
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply77) + descr_len + 1);
} else {
length = 0;
}
} else {
length -= sizeof(struct gg_notify_reply77);
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply77));
}
if (!(tmp = realloc(ge->event.notify60, (i + 2) * sizeof(*ge->event.notify60)))) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
free(ge->event.notify60);
return -1;
}
ge->event.notify60 = tmp;
ge->event.notify60[++i].uin = 0;
}
return 0;
}
/**
* \internal Obsługuje pakiet GG_NOTIFY_REPLY60.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_notify_reply_60(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_notify_reply60 *n = (const void*) ptr;
unsigned int length = len, i = 0;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received a notify reply\n");
ge->type = GG_EVENT_NOTIFY60;
ge->event.notify60 = malloc(sizeof(*ge->event.notify60));
if (ge->event.notify60 == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
return -1;
}
ge->event.notify60[0].uin = 0;
while (length >= sizeof(struct gg_notify_reply60)) {
uin_t uin = gg_fix32(n->uin);
void *tmp;
ge->event.notify60[i].uin = uin & 0x00ffffff;
ge->event.notify60[i].status = n->status;
ge->event.notify60[i].remote_ip = n->remote_ip;
ge->event.notify60[i].remote_port = gg_fix16(n->remote_port);
ge->event.notify60[i].version = n->version;
ge->event.notify60[i].image_size = n->image_size;
ge->event.notify60[i].descr = NULL;
ge->event.notify60[i].time = 0;
if (uin & 0x40000000)
ge->event.notify60[i].version |= GG_HAS_AUDIO_MASK;
if (uin & 0x08000000)
ge->event.notify60[i].version |= GG_ERA_OMNIX_MASK;
if (GG_S_D(n->status)) {
unsigned char descr_len = *((const char*) n + sizeof(struct gg_notify_reply60));
if (sizeof(struct gg_notify_reply60) + descr_len <= length) {
char *descr;
descr = gg_encoding_convert((const char*) n +
sizeof(struct gg_notify_reply60) + 1,
GG_ENCODING_CP1250, gs->encoding,
descr_len, -1);
if (descr == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_watch_fd_connected() "
"out of memory\n");
return -1;
}
ge->event.notify60[i].descr = descr;
/* XXX czas */
length -= sizeof(struct gg_notify_reply60) + descr_len + 1;
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply60) + descr_len + 1);
} else {
length = 0;
}
} else {
length -= sizeof(struct gg_notify_reply60);
n = (const void*) ((const char*) n + sizeof(struct gg_notify_reply60));
}
if (!(tmp = realloc(ge->event.notify60, (i + 2) * sizeof(*ge->event.notify60)))) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() out of memory\n");
free(ge->event.notify60);
return -1;
}
ge->event.notify60 = tmp;
ge->event.notify60[++i].uin = 0;
}
return 0;
}
/**
* \internal Obsługuje pakiet GG_USER_DATA.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_user_data(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
struct gg_user_data d;
const char *p = (const char*) ptr;
const char *packet_end = (const char*) ptr + len;
struct gg_event_user_data_user *users;
unsigned int i, j;
int res = 0;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received user data\n");
ge->event.user_data.user_count = 0;
ge->event.user_data.users = NULL;
if (ptr + sizeof(d) > packet_end)
goto malformed;
memcpy(&d, p, sizeof(d));
p += sizeof(d);
d.type = gg_fix32(d.type);
d.user_count = gg_fix32(d.user_count);
if (d.user_count > 0xffff) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_session_handle_user_data() malformed packet (1)\n");
goto malformed;
}
if (d.user_count > 0) {
users = calloc(d.user_count, sizeof(struct gg_event_user_data_user));
if (users == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() out of memory"
" (%d*%" GG_SIZE_FMT ")\n", d.user_count,
sizeof(struct gg_event_user_data_user));
goto fail;
}
} else {
users = NULL;
}
ge->type = GG_EVENT_USER_DATA;
ge->event.user_data.type = d.type;
ge->event.user_data.user_count = d.user_count;
ge->event.user_data.users = users;
gg_debug_session(gs, GG_DEBUG_DUMP, "type=%d, count=%d\n", d.type, d.user_count);
for (i = 0; i < d.user_count; i++) {
struct gg_user_data_user u;
struct gg_event_user_data_attr *attrs;
if (p + sizeof(u) > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_session_handle_user_data() malformed packet (2)\n");
goto malformed;
}
memcpy(&u, p, sizeof(u));
p += sizeof(u);
u.uin = gg_fix32(u.uin);
u.attr_count = gg_fix32(u.attr_count);
if (u.attr_count > 0xffff) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_session_handle_user_data() malformed packet (2)\n");
goto malformed;
}
if (u.attr_count > 0) {
attrs = calloc(u.attr_count, sizeof(struct gg_event_user_data_attr));
if (attrs == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"out of memory (%d*%" GG_SIZE_FMT
")\n", u.attr_count,
sizeof(struct gg_event_user_data_attr));
goto fail;
}
} else {
attrs = NULL;
}
users[i].uin = u.uin;
users[i].attr_count = u.attr_count;
users[i].attrs = attrs;
gg_debug_session(gs, GG_DEBUG_DUMP, " uin=%d, count=%d\n", u.uin, u.attr_count);
for (j = 0; j < u.attr_count; j++) {
uint32_t key_size;
uint32_t attr_type;
uint32_t value_size;
char *key;
char *value;
if (p + sizeof(key_size) > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data()"
"malformed packet (3)\n");
goto malformed;
}
memcpy(&key_size, p, sizeof(key_size));
p += sizeof(key_size);
key_size = gg_fix32(key_size);
if (key_size > 0xffff || p + key_size > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"malformed packet (3)\n");
goto malformed;
}
key = malloc(key_size + 1);
if (key == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"out of memory (%d)\n", key_size + 1);
goto fail;
}
memcpy(key, p, key_size);
p += key_size;
key[key_size] = 0;
attrs[j].key = key;
if (p + sizeof(attr_type) + sizeof(value_size) > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"malformed packet (4)\n");
goto malformed;
}
memcpy(&attr_type, p, sizeof(attr_type));
p += sizeof(attr_type);
memcpy(&value_size, p, sizeof(value_size));
p += sizeof(value_size);
attrs[j].type = gg_fix32(attr_type);
value_size = gg_fix32(value_size);
if (value_size > 0xffff || p + value_size > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"malformed packet (5)\n");
goto malformed;
}
value = malloc(value_size + 1);
if (value == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_user_data() "
"out of memory (%d)\n", value_size + 1);
goto fail;
}
memcpy(value, p, value_size);
p += value_size;
value[value_size] = 0;
attrs[j].value = value;
gg_debug_session(gs, GG_DEBUG_DUMP, " key=\"%s\", "
"type=%d, value=\"%s\"\n", key, attr_type, value);
}
}
return 0;
fail:
res = -1;
malformed:
ge->type = GG_EVENT_NONE;
for (i = 0; i < ge->event.user_data.user_count; i++) {
for (j = 0; j < ge->event.user_data.users[i].attr_count; j++) {
free(ge->event.user_data.users[i].attrs[j].key);
free(ge->event.user_data.users[i].attrs[j].value);
}
free(ge->event.user_data.users[i].attrs);
}
free(ge->event.user_data.users);
return res;
}
/**
* \internal Obsługuje pakiet GG_TYPING_NOTIFICATION.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_typing_notification(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_typing_notification *n = (const void*) ptr;
uin_t uin;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received typing notification\n");
memcpy(&uin, &n->uin, sizeof(uin_t));
ge->type = GG_EVENT_TYPING_NOTIFICATION;
ge->event.typing_notification.uin = gg_fix32(uin);
ge->event.typing_notification.length = gg_fix16(n->length);
return 0;
}
/**
* \internal Obsługuje pakiet GG_MULTILOGON_INFO.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_multilogon_info(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const char *packet_end = (const char*) ptr + len;
const struct gg_multilogon_info *info = (const struct gg_multilogon_info*) ptr;
const char *p = (const char*) ptr + sizeof(*info);
struct gg_multilogon_session *sessions = NULL;
size_t count;
size_t i;
int res = 0;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received multilogon info\n");
count = gg_fix32(info->count);
if (count > 0xffff) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_handle_multilogon_info() malformed packet (1)\n");
goto malformed;
}
sessions = calloc(count, sizeof(struct gg_multilogon_session));
if (sessions == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// "
"gg_handle_multilogon_info() out of memory (%"
GG_SIZE_FMT "*%" GG_SIZE_FMT ")\n",
count, sizeof(struct gg_multilogon_session));
return -1;
}
ge->type = GG_EVENT_MULTILOGON_INFO;
ge->event.multilogon_info.count = count;
ge->event.multilogon_info.sessions = sessions;
for (i = 0; i < count; i++) {
struct gg_multilogon_info_item item;
size_t name_size;
if (p + sizeof(item) > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_handle_multilogon_info() malformed packet (2)\n");
goto malformed;
}
memcpy(&item, p, sizeof(item));
sessions[i].id = item.conn_id;
sessions[i].remote_addr = item.addr;
sessions[i].status_flags = gg_fix32(item.flags);
sessions[i].protocol_features = gg_fix32(item.features);
sessions[i].logon_time = gg_fix32(item.logon_time);
p += sizeof(item);
name_size = gg_fix32(item.name_size);
if (name_size > 0xffff || p + name_size > packet_end) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_handle_multilogon_info() malformed packet (3)\n");
goto malformed;
}
sessions[i].name = malloc(name_size + 1);
if (sessions[i].name == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_handle_multilogon_info() out of "
"memory (%" GG_SIZE_FMT ")\n", name_size);
goto fail;
}
memcpy(sessions[i].name, p, name_size);
sessions[i].name[name_size] = 0;
p += name_size;
}
return 0;
fail:
res = -1;
malformed:
ge->type = GG_EVENT_NONE;
for (i = 0; (int) i < ge->event.multilogon_info.count; i++)
free(ge->event.multilogon_info.sessions[i].name);
free(ge->event.multilogon_info.sessions);
return res;
}
/**
* \internal Obsługuje pakiet GG_USERLIST100_VERSION.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_userlist_100_version(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_userlist100_version *version = (const struct gg_userlist100_version*) ptr;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received userlist 100 version\n");
ge->type = GG_EVENT_USERLIST100_VERSION;
ge->event.userlist100_version.version = gg_fix32(version->version);
return 0;
}
/**
* \internal Obsługuje pakiet GG_USERLIST100_REPLY.
*
* Patrz gg_packet_handler_t
*/
static int gg_session_handle_userlist_100_reply(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_userlist100_reply *reply = (const struct gg_userlist100_reply*) ptr;
char *data = NULL;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() received userlist 100 reply\n");
if (len > sizeof(*reply)) {
data = gg_inflate((const unsigned char*) ptr + sizeof(*reply), len - sizeof(*reply));
if (data == NULL) {
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_handle_userlist_100_reply() gg_inflate() failed\n");
return -1;
}
}
ge->type = GG_EVENT_USERLIST100_REPLY;
ge->event.userlist100_reply.type = reply->type;
ge->event.userlist100_reply.version = gg_fix32(reply->version);
ge->event.userlist100_reply.format_type = reply->format_type;
ge->event.userlist100_reply.reply = data;
return 0;
}
static int gg_session_handle_imtoken(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110Imtoken *msg = gg110_imtoken__unpack(NULL, len, (uint8_t*)ptr);
char *imtoken = NULL;
int succ = 1;
if (!GG_PROTOBUF_VALID(gs, "GG110Imtoken", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() "
"received imtoken\n");
if (msg->imtoken[0] != '\0') {
imtoken = strdup(msg->imtoken);
succ = succ && (imtoken != NULL);
}
gg110_imtoken__free_unpacked(msg, NULL);
ge->type = GG_EVENT_IMTOKEN;
ge->event.imtoken.imtoken = imtoken;
return succ ? 0 : -1;
}
static int gg_session_handle_pong_110(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110Pong *msg = gg110_pong__unpack(NULL, len, (uint8_t*)ptr);
if (!GG_PROTOBUF_VALID(gs, "GG110Pong", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_watch_fd_connected() "
"received pong110\n");
ge->type = GG_EVENT_PONG110;
ge->event.pong110.time = msg->server_time;
gg_sync_time(gs, msg->server_time);
gg110_pong__free_unpacked(msg, NULL);
return 0;
}
static int gg_session_handle_chat_info(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_tvbuff_t *tvb;
uint32_t i;
uint64_t id;
uint32_t version;
uint32_t dummy1;
uint32_t participants_count;
uin_t *participants = NULL;
tvb = gg_tvbuff_new(ptr, len);
id = gg_tvbuff_read_uint64(tvb);
gg_tvbuff_expected_uint32(tvb, 0); /* unknown */
version = gg_tvbuff_read_uint32(tvb);
dummy1 = gg_tvbuff_read_uint32(tvb);
if (gg_tvbuff_is_valid(tvb) && dummy1 == 1) {
uint32_t name_length;
name_length = gg_tvbuff_read_uint32(tvb);
gg_tvbuff_skip(tvb, name_length);
gg_tvbuff_expected_uint32(tvb, 0); /* unknown */
gg_tvbuff_expected_uint32(tvb, 2); /* unknown */
}
participants_count = gg_tvbuff_read_uint32(tvb);
if (id == 0 && participants_count > 0) {
gg_debug_session(gs, GG_DEBUG_MISC | GG_DEBUG_WARNING,
"// gg_session_handle_chat_info() terminating packet "
"shouldn't contain participants\n");
participants_count = 0;
}
if (participants_count > 0) {
participants = malloc(sizeof(uin_t) * participants_count);
if (participants == NULL) {
gg_tvbuff_close(tvb);
return -1;
}
}
for (i = 0; i < participants_count && gg_tvbuff_is_valid(tvb); i++) {
participants[i] = gg_tvbuff_read_uint32(tvb);
gg_tvbuff_read_uint32(tvb); /* 0x1e lub 0x18 */
}
if (!gg_tvbuff_close(tvb)) {
free(participants);
return -1;
}
if (id == 0) {
ge->type = GG_EVENT_CHAT_INFO_GOT_ALL;
return 0;
}
if (0 != gg_chat_update(gs, id, version, participants,
participants_count))
{
free(participants);
return -1;
}
ge->type = GG_EVENT_CHAT_INFO;
ge->event.chat_info.id = id;
ge->event.chat_info.version = version;
ge->event.chat_info.participants_count = participants_count;
ge->event.chat_info.participants = participants;
return 0;
}
static int gg_session_handle_chat_info_update(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
GG110ChatInfoUpdate *msg = gg110_chat_info_update__unpack(NULL, len, (uint8_t*)ptr);
gg_chat_list_t *chat;
uin_t participant;
if (!GG_PROTOBUF_VALID(gs, "GG110ChatInfoUpdate", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_VERBOSE,
"// gg_session_handle_chat_info_update() "
"msg_id=%016" PRIx64 " conv_id=%016" PRIx64 "\n",
msg->msg_id, msg->conv_id);
ge->type = GG_EVENT_CHAT_INFO_UPDATE;
ge->event.chat_info_update.id = msg->chat_id;
ge->event.chat_info_update.type = msg->update_type;
ge->event.chat_info_update.participant = participant = gg_protobuf_get_uin(msg->participant);
ge->event.chat_info_update.inviter = gg_protobuf_get_uin(msg->inviter);
ge->event.chat_info_update.version = msg->version;
ge->event.chat_info_update.time = msg->time;
chat = gg_chat_find(gs, msg->chat_id);
if (!chat) {
gg110_chat_info_update__free_unpacked(msg, NULL);
return 0;
}
chat->version = msg->version;
if (msg->update_type == GG_CHAT_INFO_UPDATE_ENTERED) {
uin_t *old_part = chat->participants;
chat->participants = realloc(chat->participants,
sizeof(uin_t) * chat->participants_count);
if (chat->participants == NULL) {
chat->participants = old_part;
gg_debug_session(gs, GG_DEBUG_ERROR,
"// gg_session_handle_chat_info_update() "
"out of memory (count=%u)\n",
chat->participants_count);
return -1;
}
chat->participants_count++;
chat->participants[chat->participants_count - 1] = participant;
} else if (msg->update_type == GG_CHAT_INFO_UPDATE_EXITED) {
uint32_t idx;
for (idx = 0; idx < chat->participants_count; idx++)
if (chat->participants[idx] == participant)
break;
if (chat->participants_count > 1 &&
idx < chat->participants_count)
chat->participants[idx] = chat->participants[chat->participants_count - 1];
if (idx < chat->participants_count) {
chat->participants_count--;
if (chat->participants_count == 0) {
free(chat->participants);
chat->participants = NULL;
} else {
chat->participants = realloc(chat->participants,
sizeof(uin_t)*chat->participants_count);
}
}
}
gg110_chat_info_update__free_unpacked(msg, NULL);
return 0;
}
static int gg_session_handle_chat_created(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_chat_created *p = (const struct gg_chat_created *)ptr;
if (0 != gg_chat_update(gs, gg_fix64(p->id), 0, &gs->uin, 1))
return -1;
ge->type = GG_EVENT_CHAT_CREATED;
ge->event.chat_created.id = gg_fix64(p->id);
ge->event.chat_created.seq = gg_fix32(p->seq);
return 0;
}
static int gg_session_handle_chat_invite_ack(struct gg_session *gs,
uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_chat_invite_ack *p =
(const struct gg_chat_invite_ack *)ptr;
ge->type = GG_EVENT_CHAT_INVITE_ACK;
ge->event.chat_invite_ack.id = gg_fix64(p->id);
ge->event.chat_invite_ack.seq = gg_fix32(p->seq);
return 0;
}
static int gg_session_handle_chat_left(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
const struct gg_chat_left *p = (const struct gg_chat_left *)ptr;
ge->type = GG_EVENT_CHAT_INFO_UPDATE;
ge->event.chat_info_update.id = gg_fix64(p->id);
ge->event.chat_info_update.type = GG_CHAT_INFO_UPDATE_EXITED;
/* Właściwie, to nie wiadomo, czy to jest "osoba wychodząca", czy
* "osoba wyrzucająca nas" z konferencji. */
ge->event.chat_info_update.participant = gg_fix32(p->uin);
ge->event.chat_info_update.inviter = gg_fix32(p->uin);
ge->event.chat_info_update.version = 0;
ge->event.chat_info_update.time = time(NULL);
return 0;
}
static int gg_session_handle_options(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110Options *msg = gg110_options__unpack(NULL, len, (uint8_t*)ptr);
size_t i;
if (!GG_PROTOBUF_VALID(gs, "GG110Options", msg))
return -1;
gg_protobuf_expected(gs, "GG110Options.dummy1", msg->dummy1, 0);
for (i = 0; i < msg->n_options; i++) {
ProtobufKVP *kvp = msg->options[i];
if (!GG_PROTOBUF_VALID(gs, "ProtobufKVP", kvp))
continue;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_options[%s] = \"%s\"\n",
kvp->key, kvp->value);
}
gg110_options__free_unpacked(msg, NULL);
return 0;
}
static int gg_session_handle_access_info(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110AccessInfo *msg = gg110_access_info__unpack(NULL, len, (uint8_t*)ptr);
if (!GG_PROTOBUF_VALID(gs, "GG110AccessInfo", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_access_info: dummy[%02x, %02x], "
"last[message=%u, file_transfer=%u, conference_ch=%u]\n",
msg->dummy1, msg->dummy2, msg->last_message,
msg->last_file_transfer, msg->last_conference_ch);
gg110_access_info__free_unpacked(msg, NULL);
return 0;
}
/* ten pakiet jest odbierany tylko, jeżeli przy logowaniu użyliśmy identyfikatora typu 0x01 */
static int gg_session_handle_uin_info(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
gg_tvbuff_t *tvb;
char *uin1 = NULL, *uin2 = NULL;
tvb = gg_tvbuff_new(ptr, len);
gg_tvbuff_expected_uint32(tvb, 1); /* unknown */
gg_tvbuff_expected_uint32(tvb, 2); /* unknown */
/* podstawowy identyfikator (numer GG) */
gg_tvbuff_expected_uint8(tvb, 0);
gg_tvbuff_read_str_dup(tvb, &uin1);
/* identyfikator użyty przy logowaniu (numer GG lub email) */
gg_tvbuff_expected_uint8(tvb, 1);
gg_tvbuff_read_str_dup(tvb, &uin2);
if (!gg_tvbuff_close(tvb)) {
free(uin1);
free(uin2);
return -1;
}
gg_debug_session(gs, GG_DEBUG_MISC, "// gg_session_handle_uin_info: "
"uin1=\"%s\", uin2=\"%s\"\n", uin1, uin2);
free(uin1);
free(uin2);
return 0;
}
static int gg_session_handle_transfer_info(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG112TransferInfo *msg = gg112_transfer_info__unpack(NULL, len, (uint8_t*)ptr);
int succ = 1;
size_t i;
uin_t peer = 0, sender = 0;
if (!GG_PROTOBUF_VALID(gs, "GG112TransferInfo", msg))
return -1;
/* see packets.proto */
if (msg->dummy1 != 5 && msg->dummy1 != 6) {
gg_debug_session(gs, GG_DEBUG_MISC | GG_DEBUG_WARNING,
"// gg_session_handle_transfer_info: "
"unknown dummy1 value: %d\n", msg->dummy1);
}
if (GG_PROTOBUF_VALID(gs, "GG112TransferInfoUin", msg->peer)) {
gg_protobuf_expected(gs, "GG112TransferInfoUin.dummy1",
msg->peer->dummy1, 1);
peer = gg_protobuf_get_uin(msg->peer->uin);
}
if (GG_PROTOBUF_VALID(gs, "GG112TransferInfoUin", msg->sender)) {
gg_protobuf_expected(gs, "GG112TransferInfoUin.dummy1",
msg->sender->dummy1, 1);
sender = gg_protobuf_get_uin(msg->sender->uin);
}
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_transfer_info: dummy1=%#x, time=%u, "
"sender=%u, peer=%u, msg_id=%#016" PRIx64 ", "
"conv_id=%#016" PRIx64 "\n",
msg->dummy1, msg->time, sender, peer, msg->msg_id,
msg->conv_id);
for (i = 0; i < msg->n_data; i++) {
ProtobufKVP *kvp = msg->data[i];
if (!GG_PROTOBUF_VALID(gs, "ProtobufKVP", kvp))
continue;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_transfer_info[%s] = \"%s\"\n",
kvp->key, kvp->value);
}
if (msg->file && GG_PROTOBUF_VALID(gs, "GG112TransferInfoFile", msg->file)) {
GG112TransferInfoFile *file = msg->file;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_transfer_info file: "
"type=\"%s\", content_type=\"%s\", filename=\"%s\", "
"filesize=%u, msg_id=%#016" PRIx64 " url=\"%s\"\n",
file->type, file->content_type, file->filename,
file->filesize, file->msg_id, file->url);
}
succ = (gg_ack_110(gs, GG110_ACK__TYPE__TRANSFER_INFO,
msg->seq, ge) == 0);
gg112_transfer_info__free_unpacked(msg, NULL);
return succ ? 0 : -1;
}
static int gg_session_handle_magic_notification(struct gg_session *gs, uint32_t type,
const char *ptr, size_t len, struct gg_event *ge)
{
GG110MagicNotification *msg = gg110_magic_notification__unpack(NULL, len, (uint8_t*)ptr);
int succ = 1;
if (!GG_PROTOBUF_VALID(gs, "GG110MagicNotification", msg))
return -1;
gg_debug_session(gs, GG_DEBUG_MISC,
"// gg_session_handle_magic_notification \n");
gg_protobuf_expected(gs, "GG110MagicNotification.dummy1", msg->dummy1, 2);
gg_protobuf_expected(gs, "GG110MagicNotification.dummy2", msg->dummy2, 1);
gg_protobuf_expected(gs, "GG110MagicNotification.dummy3", msg->dummy3, 1);
succ = (gg_ack_110(gs, GG110_ACK__TYPE__MAGIC_NOTIFICATION, msg->seq, ge) == 0);
gg110_magic_notification__free_unpacked(msg, NULL);
return succ ? 0 : -1;
}
/**
* \internal Tablica obsługiwanych pakietów
*/
static const gg_packet_handler_t handlers[] =
{
/* style:maxlinelength:start-ignore */
{ GG_WELCOME, GG_STATE_READING_KEY, 0, gg_session_handle_welcome },
{ GG_LOGIN_OK, GG_STATE_READING_REPLY, 0, gg_session_handle_login_ok },
{ GG_LOGIN80_OK, GG_STATE_READING_REPLY, 0, gg_session_handle_login_ok },
{ GG_LOGIN110_OK, GG_STATE_READING_REPLY, 0, gg_session_handle_login110_ok },
{ GG_NEED_EMAIL, GG_STATE_READING_REPLY, 0, gg_session_handle_login_ok },
{ GG_LOGIN_FAILED, GG_STATE_READING_REPLY, 0, gg_session_handle_login_failed },
{ GG_LOGIN80_FAILED, GG_STATE_READING_REPLY, 0, gg_session_handle_login_failed },
{ GG_SEND_MSG_ACK, GG_STATE_CONNECTED, sizeof(struct gg_send_msg_ack), gg_session_handle_send_msg_ack },
{ GG_SEND_MSG_ACK110, GG_STATE_CONNECTED, 0, gg_session_handle_send_msg_ack_110 },
{ GG_PONG, GG_STATE_CONNECTED, 0, gg_session_handle_pong },
{ GG_DISCONNECTING, GG_STATE_CONNECTED, 0, gg_session_handle_disconnecting },
{ GG_DISCONNECT_ACK, GG_STATE_DISCONNECTING, 0, gg_session_handle_disconnect_ack },
{ GG_XML_EVENT, GG_STATE_CONNECTED, 0, gg_session_handle_xml_event },
{ GG_EVENT110, GG_STATE_CONNECTED, 0, gg_session_handle_event_110 },
{ GG_PUBDIR50_REPLY, GG_STATE_CONNECTED, 0, gg_session_handle_pubdir50_reply },
{ GG_USERLIST_REPLY, GG_STATE_CONNECTED, sizeof(char), gg_session_handle_userlist_reply },
{ GG_DCC7_ID_REPLY, GG_STATE_CONNECTED, sizeof(struct gg_dcc7_id_reply), gg_session_handle_dcc7_id_reply },
{ GG_DCC7_ACCEPT, GG_STATE_CONNECTED, sizeof(struct gg_dcc7_accept), gg_session_handle_dcc7_accept },
{ GG_DCC7_NEW, GG_STATE_CONNECTED, sizeof(struct gg_dcc7_new), gg_session_handle_dcc7_new },
{ GG_DCC7_REJECT, GG_STATE_CONNECTED, sizeof(struct gg_dcc7_reject), gg_session_handle_dcc7_reject },
{ GG_DCC7_INFO, GG_STATE_CONNECTED, sizeof(struct gg_dcc7_info), gg_session_handle_dcc7_info },
{ GG_RECV_MSG, GG_STATE_CONNECTED, sizeof(struct gg_recv_msg), gg_session_handle_recv_msg },
{ GG_RECV_MSG80, GG_STATE_CONNECTED, sizeof(struct gg_recv_msg80), gg_session_handle_recv_msg_80 },
{ GG_RECV_MSG110, GG_STATE_CONNECTED, 0, gg_session_handle_recv_msg_110 },
{ GG_RECV_OWN_MSG110, GG_STATE_CONNECTED, 0, gg_session_handle_recv_msg_110 },
{ GG_STATUS, GG_STATE_CONNECTED, sizeof(struct gg_status), gg_session_handle_status },
{ GG_STATUS60, GG_STATE_CONNECTED, sizeof(struct gg_status60), gg_session_handle_status_60_77_80beta },
{ GG_STATUS77, GG_STATE_CONNECTED, sizeof(struct gg_status77), gg_session_handle_status_60_77_80beta },
{ GG_STATUS80BETA, GG_STATE_CONNECTED, sizeof(struct gg_status77), gg_session_handle_status_60_77_80beta },
{ GG_STATUS80, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply80), gg_session_handle_status_80 },
{ GG_NOTIFY_REPLY, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply), gg_session_handle_notify_reply },
{ GG_NOTIFY_REPLY60, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply60), gg_session_handle_notify_reply_60 },
{ GG_NOTIFY_REPLY77, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply77), gg_session_handle_notify_reply_77_80beta },
{ GG_NOTIFY_REPLY80BETA, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply77), gg_session_handle_notify_reply_77_80beta },
{ GG_NOTIFY_REPLY80, GG_STATE_CONNECTED, sizeof(struct gg_notify_reply80), gg_session_handle_notify_reply_80 },
{ GG_USER_DATA, GG_STATE_CONNECTED, sizeof(struct gg_user_data), gg_session_handle_user_data },
{ GG_TYPING_NOTIFICATION, GG_STATE_CONNECTED, sizeof(struct gg_typing_notification), gg_session_handle_typing_notification },
{ GG_MULTILOGON_INFO, GG_STATE_CONNECTED, sizeof(struct gg_multilogon_info), gg_session_handle_multilogon_info },
{ GG_XML_ACTION, GG_STATE_CONNECTED, 0, gg_session_handle_xml_event },
{ GG_RECV_OWN_MSG, GG_STATE_CONNECTED, sizeof(struct gg_recv_msg80), gg_session_handle_recv_msg_80 },
{ GG_USERLIST100_VERSION, GG_STATE_CONNECTED, sizeof(struct gg_userlist100_version), gg_session_handle_userlist_100_version },
{ GG_USERLIST100_REPLY, GG_STATE_CONNECTED, sizeof(struct gg_userlist100_reply), gg_session_handle_userlist_100_reply },
{ GG_IMTOKEN, GG_STATE_CONNECTED, 0, gg_session_handle_imtoken },
{ GG_PONG110, GG_STATE_CONNECTED, 0, gg_session_handle_pong_110 },
{ GG_CHAT_INFO, GG_STATE_CONNECTED, 0, gg_session_handle_chat_info },
{ GG_CHAT_INFO_UPDATE, GG_STATE_CONNECTED, 0, gg_session_handle_chat_info_update },
{ GG_CHAT_CREATED, GG_STATE_CONNECTED, sizeof(struct gg_chat_created), gg_session_handle_chat_created },
{ GG_CHAT_INVITE_ACK, GG_STATE_CONNECTED, sizeof(struct gg_chat_invite_ack), gg_session_handle_chat_invite_ack },
{ GG_CHAT_RECV_MSG, GG_STATE_CONNECTED, 0, gg_session_handle_recv_msg_110 },
{ GG_CHAT_RECV_OWN_MSG, GG_STATE_CONNECTED, 0, gg_session_handle_recv_msg_110 },
{ GG_CHAT_LEFT, GG_STATE_CONNECTED, sizeof(struct gg_chat_left), gg_session_handle_chat_left },
{ GG_OPTIONS, GG_STATE_CONNECTED, 0, gg_session_handle_options },
{ GG_ACCESS_INFO, GG_STATE_CONNECTED, 0, gg_session_handle_access_info },
{ GG_UIN_INFO, GG_STATE_CONNECTED, 0, gg_session_handle_uin_info },
{ GG_TRANSFER_INFO, GG_STATE_CONNECTED, 0, gg_session_handle_transfer_info },
{ GG_MAGIC_NOTIFICATION, GG_STATE_CONNECTED, 0, gg_session_handle_magic_notification }
/* style:maxlinelength:end-ignore */
};
/**
* \internal Obsługuje przychodzący pakiet danych.
*
* \param gs Struktura sesji
* \param type Typ pakietu
* \param ptr Wskaźnik do bufora pakietu
* \param len Długość bufora pakietu
* \param[out] ge Struktura zdarzenia
*
* \return 0 jeśli się powiodło, -1 w przypadku błędu
*/
int gg_session_handle_packet(struct gg_session *gs, uint32_t type, const char *ptr, size_t len, struct gg_event *ge)
{
unsigned int i;
gg_debug_session(gs, GG_DEBUG_FUNCTION,
"// gg_session_handle_packet(%d, %p, %" GG_SIZE_FMT ")\n",
type, ptr, len);
gs->last_event = time(NULL);
#if 0
if ((gs->flags & (1 << GG_SESSION_FLAG_RAW_PACKET)) != 0) {
char *tmp;
tmp = malloc(len);
if (tmp == NULL) {
gg_debug_session(gs, GG_DEBUG_ERROR,
"// gg_session_handle_packet() out of memory "
"(%d bytes)\n", len);
return -1;
}
memcpy(tmp, ptr, len);
ge->type = GG_EVENT_RAW_PACKET;
ge->event.raw_packet.type = type;
ge->event.raw_packet.length = len;
ge->event.raw_packet.data = tmp;
return 0;
}
#endif
for (i = 0; i < sizeof(handlers) / sizeof(handlers[0]); i++) {
if (handlers[i].type != 0 && handlers[i].type != type)
continue;
if (handlers[i].state != 0 && handlers[i].state != (enum gg_state_t) gs->state) {
gg_debug_session(gs, GG_DEBUG_WARNING,
"// gg_session_handle_packet() packet 0x%02x "
"unexpected in state %d\n", type, gs->state);
continue;
}
if (len < handlers[i].min_length) {
gg_debug_session(gs, GG_DEBUG_ERROR,
"// gg_session_handle_packet() packet 0x%02x "
"too short (%" GG_SIZE_FMT " bytes)\n",
type, len);
continue;
}
return (*handlers[i].handler)(gs, type, ptr, len, ge);
}
gg_debug_session(gs, GG_DEBUG_WARNING, "// gg_session_handle_packet() "
"unhandled packet 0x%02x, len %" GG_SIZE_FMT ", state %d\n",
type, len, gs->state);
return 0;
}