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structures.c
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/*
This file is part of telegram-client.
Telegram-client 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, either version 2 of the License, or
(at your option) any later version.
Telegram-client 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this telegram-client. If not, see <http://www.gnu.org/licenses/>.
Copyright Vitaly Valtman 2013
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <string.h>
#include "structures.h"
#include "mtproto-common.h"
#include "telegram.h"
#include "tree.h"
#include "loop.h"
#include <openssl/aes.h>
#include <openssl/sha.h>
#include "queries.h"
#include "binlog.h"
#define sha1 SHA1
static int id_cmp (struct message *M1, struct message *M2);
#define peer_cmp(a,b) (cmp_peer_id (a->id, b->id))
#define peer_cmp_name(a,b) (strcmp (a->print_name, b->print_name))
DEFINE_TREE(peer,peer_t *,peer_cmp,0)
DEFINE_TREE(peer_by_name,peer_t *,peer_cmp_name,0)
DEFINE_TREE(message,struct message *,id_cmp,0)
struct message message_list = {
.next_use = &message_list,
.prev_use = &message_list
};
struct tree_peer *peer_tree;
struct tree_peer_by_name *peer_by_name_tree;
struct tree_message *message_tree;
struct tree_message *message_unsent_tree;
int users_allocated;
int chats_allocated;
int messages_allocated;
int peer_num;
int encr_chats_allocated;
int geo_chats_allocated;
int our_id;
int verbosity;
peer_t *Peers[MAX_PEER_NUM];
extern int binlog_enabled;
void fetch_skip_photo (void);
#define code_assert(x) if (!(x)) { logprintf ("Can not parse at line %d\n", __LINE__); assert (0); return -1; }
#define code_try(x) if ((x) == -1) { return -1; }
/*
*
* Fetch simple structures (immediate fetch into buffer)
*
*/
int fetch_file_location (struct file_location *loc) {
int x = fetch_int ();
code_assert (x == CODE_file_location_unavailable || x == CODE_file_location);
if (x == CODE_file_location_unavailable) {
loc->dc = -1;
loc->volume = fetch_long ();
loc->local_id = fetch_int ();
loc->secret = fetch_long ();
} else {
loc->dc = fetch_int ();
loc->volume = fetch_long ();
loc->local_id = fetch_int ();
loc->secret = fetch_long ();
}
return 0;
}
int fetch_user_status (struct user_status *S) {
unsigned x = fetch_int ();
code_assert (x == CODE_user_status_empty || x == CODE_user_status_online || x == CODE_user_status_offline);
switch (x) {
case CODE_user_status_empty:
S->online = 0;
S->when = 0;
break;
case CODE_user_status_online:
S->online = 1;
S->when = fetch_int ();
break;
case CODE_user_status_offline:
S->online = -1;
S->when = fetch_int ();
break;
default:
assert (0);
}
return 0;
}
/*
*
* Skip simple structures
*
*/
int fetch_skip_file_location (void) {
int x = fetch_int ();
code_assert (x == CODE_file_location_unavailable || x == CODE_file_location);
if (x == CODE_file_location_unavailable) {
in_ptr += 5;
} else {
in_ptr += 6;
}
return 0;
}
int fetch_skip_user_status (void) {
unsigned x = fetch_int ();
code_assert (x == CODE_user_status_empty || x == CODE_user_status_online || x == CODE_user_status_offline);
if (x != CODE_user_status_empty) {
fetch_int ();
}
return 0;
}
char *create_print_name (peer_id_t id, const char *a1, const char *a2, const char *a3, const char *a4) {
const char *d[4];
d[0] = a1; d[1] = a2; d[2] = a3; d[3] = a4;
static char buf[10000];
buf[0] = 0;
int i;
int p = 0;
for (i = 0; i < 4; i++) {
if (d[i] && strlen (d[i])) {
p += tsnprintf (buf + p, 9999 - p, "%s%s", p ? "_" : "", d[i]);
assert (p < 9990);
}
}
char *s = buf;
while (*s) {
if (*s == ' ') { *s = '_'; }
s++;
}
s = buf;
int fl = strlen (s);
int cc = 0;
while (1) {
peer_t *P = peer_lookup_name (s);
if (!P || !cmp_peer_id (P->id, id)) {
break;
}
cc ++;
assert (cc <= 9999);
tsnprintf (s + fl, 9999 - fl, "#%d", cc);
}
return tstrdup (s);
}
/*
*
* Fetch with log event
*
*/
long long fetch_user_photo (struct user *U) {
unsigned x = fetch_int ();
code_assert (x == CODE_user_profile_photo || x == CODE_user_profile_photo_old || x == CODE_user_profile_photo_empty);
if (x == CODE_user_profile_photo_empty) {
bl_do_set_user_profile_photo (U, 0, 0, 0);
return 0;
}
long long photo_id = 1;
if (x == CODE_user_profile_photo) {
photo_id = fetch_long ();
}
struct file_location big;
struct file_location small;
code_try (fetch_file_location (&small));
code_try (fetch_file_location (&big));
bl_do_set_user_profile_photo (U, photo_id, &big, &small);
return 0;
}
int fetch_user (struct user *U) {
unsigned x = fetch_int ();
code_assert (x == CODE_user_empty || x == CODE_user_self || x == CODE_user_contact || x == CODE_user_request || x == CODE_user_foreign || x == CODE_user_deleted);
U->id = MK_USER (fetch_int ());
if (x == CODE_user_empty) {
return 0;
}
if (x == CODE_user_self) {
assert (!our_id || (our_id == get_peer_id (U->id)));
if (!our_id) {
bl_do_set_our_id (get_peer_id (U->id));
write_auth_file ();
}
}
int new = 0;
if (!(U->flags & FLAG_CREATED)) {
new = 1;
}
if (new) {
int l1 = prefetch_strlen ();
code_assert (l1 >= 0);
char *s1 = fetch_str (l1);
int l2 = prefetch_strlen ();
code_assert (l2 >= 0);
char *s2 = fetch_str (l2);
if (x == CODE_user_deleted && !(U->flags & FLAG_DELETED)) {
bl_do_new_user (get_peer_id (U->id), s1, l1, s2, l2, 0, 0, 0, 0);
bl_do_user_delete (U);
}
if (x != CODE_user_deleted) {
long long access_token = 0;
if (x != CODE_user_self) {
access_token = fetch_long ();
}
int phone_len = 0;
char *phone = 0;
if (x != CODE_user_foreign) {
phone_len = prefetch_strlen ();
code_assert (phone_len >= 0);
phone = fetch_str (phone_len);
}
bl_do_new_user (get_peer_id (U->id), s1, l1, s2, l2, access_token, phone, phone_len, x == CODE_user_contact);
if (fetch_user_photo (U) < 0) { return -1; }
if (fetch_user_status (&U->status) < 0) { return -1; }
if (x == CODE_user_self) {
fetch_bool ();
}
}
} else {
int l1 = prefetch_strlen ();
char *s1 = fetch_str (l1);
int l2 = prefetch_strlen ();
char *s2 = fetch_str (l2);
bl_do_set_user_name (U, s1, l1, s2, l2);
if (x == CODE_user_deleted && !(U->flags & FLAG_DELETED)) {
bl_do_user_delete (U);
}
if (x != CODE_user_deleted) {
if (x != CODE_user_self) {
bl_do_set_user_access_token (U, fetch_long ());
}
if (x != CODE_user_foreign) {
int l = prefetch_strlen ();
char *s = fetch_str (l);
bl_do_set_user_phone (U, s, l);
}
if (fetch_user_photo (U) < 0) { return -1; }
fetch_user_status (&U->status);
if (x == CODE_user_self) {
fetch_bool ();
}
if (x == CODE_user_contact) {
bl_do_set_user_friend (U, 1);
} else {
bl_do_set_user_friend (U, 0);
}
}
}
return 0;
}
void fetch_encrypted_chat (struct secret_chat *U) {
unsigned x = fetch_int ();
assert (x == CODE_encrypted_chat_empty || x == CODE_encrypted_chat_waiting || x == CODE_encrypted_chat_requested || x == CODE_encrypted_chat || x == CODE_encrypted_chat_discarded);
U->id = MK_ENCR_CHAT (fetch_int ());
if (x == CODE_encrypted_chat_empty) {
return;
}
int new = !(U->flags & FLAG_CREATED);
if (x == CODE_encrypted_chat_discarded) {
if (new) {
logprintf ("Unknown chat in deleted state. May be we forgot something...\n");
return;
}
bl_do_encr_chat_delete (U);
write_secret_chat_file ();
return;
}
static char g_key[256];
static char nonce[256];
if (new) {
long long access_hash = fetch_long ();
int date = fetch_int ();
int admin_id = fetch_int ();
int user_id = fetch_int () + admin_id - our_id;
if (x == CODE_encrypted_chat_waiting) {
logprintf ("Unknown chat in waiting state. May be we forgot something...\n");
return;
}
if (x == CODE_encrypted_chat_requested || x == CODE_encrypted_chat) {
memset (g_key, 0, sizeof (g_key));
memset (nonce, 0, sizeof (nonce));
}
int l = prefetch_strlen ();
char *s = fetch_str (l);
if (l != 256) { logprintf ("l = %d\n", l); }
if (l < 256) {
memcpy (g_key + 256 - l, s, l);
} else {
memcpy (g_key, s + (l - 256), 256);
}
/*l = prefetch_strlen ();
s = fetch_str (l);
if (l != 256) { logprintf ("l = %d\n", l); }
if (l < 256) {
memcpy (nonce + 256 - l, s, l);
} else {
memcpy (nonce, s + (l - 256), 256);
}*/
if (x == CODE_encrypted_chat) {
fetch_long (); // fingerprint
}
if (x == CODE_encrypted_chat) {
logprintf ("Unknown chat in ok state. May be we forgot something...\n");
return;
}
bl_do_encr_chat_requested (U, access_hash, date, admin_id, user_id, (void *)g_key, (void *)nonce);
write_secret_chat_file ();
} else {
bl_do_set_encr_chat_access_hash (U, fetch_long ());
bl_do_set_encr_chat_date (U, fetch_int ());
if (fetch_int () != U->admin_id) {
logprintf ("Changed admin in secret chat. WTF?\n");
return;
}
if (U->user_id != U->admin_id + fetch_int () - our_id) {
logprintf ("Changed partner in secret chat. WTF?\n");
return;
}
if (x == CODE_encrypted_chat_waiting) {
bl_do_set_encr_chat_state (U, sc_waiting);
write_secret_chat_file ();
return; // We needed only access hash from here
}
if (x == CODE_encrypted_chat_requested || x == CODE_encrypted_chat) {
memset (g_key, 0, sizeof (g_key));
memset (nonce, 0, sizeof (nonce));
}
int l = prefetch_strlen ();
char *s = fetch_str (l);
if (l != 256) { logprintf ("l = %d\n", l); }
if (l < 256) {
memcpy (g_key + 256 - l, s, l);
} else {
memcpy (g_key, s + (l - 256), 256);
}
/*l = prefetch_strlen ();
s = fetch_str (l);
if (l != 256) { logprintf ("l = %d\n", l); }
if (l < 256) {
memcpy (nonce + 256 - l, s, l);
} else {
memcpy (nonce, s + (l - 256), 256);
}*/
if (x == CODE_encrypted_chat_requested) {
return; // Duplicate?
}
bl_do_encr_chat_accepted (U, (void *)g_key, (void *)nonce, fetch_long ());
}
write_secret_chat_file ();
}
void fetch_notify_settings (void);
void fetch_user_full (struct user *U) {
assert (fetch_int () == CODE_user_full);
fetch_alloc_user ();
unsigned x;
assert (fetch_int () == (int)CODE_contacts_link);
x = fetch_int ();
assert (x == CODE_contacts_my_link_empty || x == CODE_contacts_my_link_requested || x == CODE_contacts_my_link_contact);
if (x == CODE_contacts_my_link_requested) {
fetch_bool ();
}
x = fetch_int ();
assert (x == CODE_contacts_foreign_link_unknown || x == CODE_contacts_foreign_link_requested || x == CODE_contacts_foreign_link_mutual);
if (x == CODE_contacts_foreign_link_requested) {
fetch_bool ();
}
fetch_alloc_user ();
int *start = in_ptr;
fetch_skip_photo ();
bl_do_set_user_full_photo (U, start, 4 * (in_ptr - start));
fetch_notify_settings ();
bl_do_set_user_blocked (U, fetch_bool ());
int l1 = prefetch_strlen ();
char *s1 = fetch_str (l1);
int l2 = prefetch_strlen ();
char *s2 = fetch_str (l2);
bl_do_set_user_real_name (U, s1, l1, s2, l2);
}
void fetch_chat (struct chat *C) {
unsigned x = fetch_int ();
assert (x == CODE_chat_empty || x == CODE_chat || x == CODE_chat_forbidden);
C->id = MK_CHAT (fetch_int ());
if (x == CODE_chat_empty) {
return;
}
int new = !(C->flags & FLAG_CREATED);
if (new) {
int y = 0;
if (x == CODE_chat_forbidden) {
y |= FLAG_FORBIDDEN;
}
int l = prefetch_strlen ();
char *s = fetch_str (l);
struct file_location small;
struct file_location big;
memset (&small, 0, sizeof (small));
memset (&big, 0, sizeof (big));
int users_num = -1;
int date = 0;
int version = -1;
if (x == CODE_chat) {
unsigned z = fetch_int ();
if (z == CODE_chat_photo_empty) {
small.dc = -2;
big.dc = -2;
} else {
assert (z == CODE_chat_photo);
fetch_file_location (&small);
fetch_file_location (&big);
}
users_num = fetch_int ();
date = fetch_int ();
if (fetch_bool ()) {
y |= FLAG_CHAT_IN_CHAT;
}
version = fetch_int ();
} else {
small.dc = -2;
big.dc = -2;
users_num = -1;
date = fetch_int ();
version = -1;
}
bl_do_create_chat (C, y, s, l, users_num, date, version, &big, &small);
} else {
if (x == CODE_chat_forbidden) {
bl_do_chat_forbid (C, 1);
} else {
bl_do_chat_forbid (C, 0);
}
int l = prefetch_strlen ();
char *s = fetch_str (l);
bl_do_set_chat_title (C, s, l);
struct file_location small;
struct file_location big;
memset (&small, 0, sizeof (small));
memset (&big, 0, sizeof (big));
if (x == CODE_chat) {
unsigned y = fetch_int ();
if (y == CODE_chat_photo_empty) {
small.dc = -2;
big.dc = -2;
} else {
assert (y == CODE_chat_photo);
fetch_file_location (&small);
fetch_file_location (&big);
}
bl_do_set_chat_photo (C, &big, &small);
int users_num = fetch_int ();
bl_do_set_chat_date (C, fetch_int ());
bl_do_set_chat_set_in_chat (C, fetch_bool ());
bl_do_set_chat_version (C, users_num, fetch_int ());
} else {
bl_do_set_chat_date (C, fetch_int ());
}
}
}
void fetch_notify_settings (void) {
unsigned x = fetch_int ();
assert (x == CODE_peer_notify_settings || x == CODE_peer_notify_settings_empty || x == CODE_peer_notify_settings_old);
if (x == CODE_peer_notify_settings_old) {
fetch_int (); // mute_until
int l = prefetch_strlen ();
fetch_str (l);
fetch_bool (); // show_previews
fetch_int (); // peer notify events
}
if (x == CODE_peer_notify_settings) {
fetch_int (); // mute_until
int l = prefetch_strlen ();
fetch_str (l);
fetch_bool (); // show_previews
fetch_int (); // events_mask
}
}
void fetch_chat_full (struct chat *C) {
unsigned x = fetch_int ();
assert (x == CODE_messages_chat_full);
assert (fetch_int () == CODE_chat_full);
C->id = MK_CHAT (fetch_int ());
//C->flags &= ~(FLAG_DELETED | FLAG_FORBIDDEN | FLAG_CHAT_IN_CHAT);
//C->flags |= FLAG_CREATED;
x = fetch_int ();
int version = 0;
struct chat_user *users = 0;
int users_num = 0;
int admin_id = 0;
if (x == CODE_chat_participants) {
assert (fetch_int () == get_peer_id (C->id));
admin_id = fetch_int ();
assert (fetch_int () == CODE_vector);
users_num = fetch_int ();
users = talloc (sizeof (struct chat_user) * users_num);
int i;
for (i = 0; i < users_num; i++) {
assert (fetch_int () == (int)CODE_chat_participant);
users[i].user_id = fetch_int ();
users[i].inviter_id = fetch_int ();
users[i].date = fetch_int ();
}
version = fetch_int ();
}
int *start = in_ptr;
fetch_skip_photo ();
int *end = in_ptr;
fetch_notify_settings ();
int n, i;
assert (fetch_int () == CODE_vector);
n = fetch_int ();
for (i = 0; i < n; i++) {
fetch_alloc_chat ();
}
assert (fetch_int () == CODE_vector);
n = fetch_int ();
for (i = 0; i < n; i++) {
fetch_alloc_user ();
}
if (admin_id) {
bl_do_set_chat_admin (C, admin_id);
}
if (version > 0) {
bl_do_set_chat_participants (C, version, users_num, users);
tfree (users, sizeof (struct chat_user) * users_num);
}
bl_do_set_chat_full_photo (C, start, 4 * (end - start));
}
void fetch_photo_size (struct photo_size *S) {
memset (S, 0, sizeof (*S));
unsigned x = fetch_int ();
assert (x == CODE_photo_size || x == CODE_photo_cached_size || x == CODE_photo_size_empty);
S->type = fetch_str_dup ();
if (x != CODE_photo_size_empty) {
fetch_file_location (&S->loc);
S->w = fetch_int ();
S->h = fetch_int ();
if (x == CODE_photo_size) {
S->size = fetch_int ();
} else {
S->size = prefetch_strlen ();
// S->data = talloc (S->size);
fetch_str (S->size);
// memcpy (S->data, fetch_str (S->size), S->size);
}
}
}
void fetch_skip_photo_size (void) {
unsigned x = fetch_int ();
assert (x == CODE_photo_size || x == CODE_photo_cached_size || x == CODE_photo_size_empty);
int l = prefetch_strlen ();
fetch_str (l); // type
if (x != CODE_photo_size_empty) {
fetch_skip_file_location ();
in_ptr += 2; // w, h
if (x == CODE_photo_size) {
in_ptr ++;
} else {
l = prefetch_strlen ();
fetch_str (l);
}
}
}
void fetch_geo (struct geo *G) {
unsigned x = fetch_int ();
if (x == CODE_geo_point) {
G->longitude = fetch_double ();
G->latitude = fetch_double ();
} else {
assert (x == CODE_geo_point_empty);
G->longitude = 0;
G->latitude = 0;
}
}
void fetch_skip_geo (void) {
unsigned x = fetch_int ();
assert (x == CODE_geo_point || x == CODE_geo_point_empty);
if (x == CODE_geo_point) {
in_ptr += 4;
}
}
void fetch_photo (struct photo *P) {
memset (P, 0, sizeof (*P));
unsigned x = fetch_int ();
assert (x == CODE_photo_empty || x == CODE_photo);
P->id = fetch_long ();
if (x == CODE_photo_empty) { return; }
P->access_hash = fetch_long ();
P->user_id = fetch_int ();
P->date = fetch_int ();
P->caption = fetch_str_dup ();
fetch_geo (&P->geo);
assert (fetch_int () == CODE_vector);
P->sizes_num = fetch_int ();
P->sizes = talloc (sizeof (struct photo_size) * P->sizes_num);
int i;
for (i = 0; i < P->sizes_num; i++) {
fetch_photo_size (&P->sizes[i]);
}
}
void fetch_skip_photo (void) {
unsigned x = fetch_int ();
assert (x == CODE_photo_empty || x == CODE_photo);
in_ptr += 2; // id
if (x == CODE_photo_empty) { return; }
in_ptr += 2 +1 + 1; // access_hash, user_id, date
int l = prefetch_strlen ();
fetch_str (l); // caption
fetch_skip_geo ();
assert (fetch_int () == CODE_vector);
int n = fetch_int ();
int i;
for (i = 0; i < n; i++) {
fetch_skip_photo_size ();
}
}
void fetch_video (struct video *V) {
memset (V, 0, sizeof (*V));
unsigned x = fetch_int ();
V->id = fetch_long ();
if (x == CODE_video_empty) { return; }
V->access_hash = fetch_long ();
V->user_id = fetch_int ();
V->date = fetch_int ();
V->caption = fetch_str_dup ();
V->duration = fetch_int ();
V->size = fetch_int ();
fetch_photo_size (&V->thumb);
V->dc_id = fetch_int ();
V->w = fetch_int ();
V->h = fetch_int ();
}
void fetch_skip_video (void) {
unsigned x = fetch_int ();
fetch_long ();
if (x == CODE_video_empty) { return; }
fetch_skip (4);
int l = prefetch_strlen ();
fetch_str (l);
fetch_skip (2);
fetch_skip_photo_size ();
fetch_skip (3);
}
void fetch_audio (struct audio *V) {
memset (V, 0, sizeof (*V));
unsigned x = fetch_int ();
V->id = fetch_long ();
if (x == CODE_audio_empty) { return; }
V->access_hash = fetch_long ();
V->user_id = fetch_int ();
V->date = fetch_int ();
V->duration = fetch_int ();
V->size = fetch_int ();
V->dc_id = fetch_int ();
}
void fetch_skip_audio (void) {
unsigned x = fetch_int ();
fetch_skip (2);
if (x == CODE_audio_empty) { return; }
fetch_skip (7);
}
void fetch_document (struct document *V) {
memset (V, 0, sizeof (*V));
unsigned x = fetch_int ();
V->id = fetch_long ();
if (x == CODE_document_empty) { return; }
V->access_hash = fetch_long ();
V->user_id = fetch_int ();
V->date = fetch_int ();
V->caption = fetch_str_dup ();
V->mime_type = fetch_str_dup ();
V->size = fetch_int ();
fetch_photo_size (&V->thumb);
V->dc_id = fetch_int ();
}
void fetch_skip_document (void) {
unsigned x = fetch_int ();
fetch_skip (2);
if (x == CODE_document_empty) { return; }
fetch_skip (4);
int l = prefetch_strlen ();
fetch_str (l);
l = prefetch_strlen ();
fetch_str (l);
fetch_skip (1);
fetch_skip_photo_size ();
fetch_skip (1);
}
void fetch_message_action (struct message_action *M) {
memset (M, 0, sizeof (*M));
unsigned x = fetch_int ();
M->type = x;
switch (x) {
case CODE_message_action_empty:
break;
case CODE_message_action_geo_chat_create:
{
int l = prefetch_strlen (); // title
char *s = fetch_str (l);
int l2 = prefetch_strlen (); // checkin
char *s2 = fetch_str (l2);
logprintf ("Message action: Created geochat %.*s in address %.*s\n", l, s, l2, s2);
}
break;
case CODE_message_action_geo_chat_checkin:
break;
case CODE_message_action_chat_create:
M->title = fetch_str_dup ();
assert (fetch_int () == (int)CODE_vector);
M->user_num = fetch_int ();
M->users = talloc (M->user_num * 4);
fetch_ints (M->users, M->user_num);
break;
case CODE_message_action_chat_edit_title:
M->new_title = fetch_str_dup ();
break;
case CODE_message_action_chat_edit_photo:
fetch_photo (&M->photo);
break;
case CODE_message_action_chat_delete_photo:
break;
case CODE_message_action_chat_add_user:
M->user = fetch_int ();
break;
case CODE_message_action_chat_delete_user:
M->user = fetch_int ();
break;
default:
assert (0);
}
}
void fetch_skip_message_action (void) {
unsigned x = fetch_int ();
int l;
switch (x) {
case CODE_message_action_empty:
break;
case CODE_message_action_geo_chat_create:
{
l = prefetch_strlen ();
fetch_str (l);
l = prefetch_strlen ();
fetch_str (l);
}
break;
case CODE_message_action_geo_chat_checkin:
break;
case CODE_message_action_chat_create:
l = prefetch_strlen ();
fetch_str (l);
assert (fetch_int () == (int)CODE_vector);
l = fetch_int ();
fetch_skip (l);
break;
case CODE_message_action_chat_edit_title:
l = prefetch_strlen ();
fetch_str (l);
break;
case CODE_message_action_chat_edit_photo:
fetch_skip_photo ();
break;
case CODE_message_action_chat_delete_photo:
break;
case CODE_message_action_chat_add_user:
fetch_int ();
break;
case CODE_message_action_chat_delete_user:
fetch_int ();
break;
default:
assert (0);
}
}
void fetch_message_short (struct message *M) {
int new = !(M->flags & FLAG_CREATED);
if (new) {
int id = fetch_int ();
int from_id = fetch_int ();
int to_id = our_id;
int l = prefetch_strlen ();
char *s = fetch_str (l);
fetch_pts ();
int date = fetch_int ();
fetch_seq ();
bl_do_create_message_text (id, from_id, PEER_USER, to_id, date, l, s);
} else {
fetch_int (); // id
fetch_int (); // from_id
int l = prefetch_strlen ();
fetch_str (l); // text
fetch_pts ();
fetch_int ();
fetch_seq ();
}
}
void fetch_message_short_chat (struct message *M) {
int new = !(M->flags & FLAG_CREATED);
if (new) {
int id = fetch_int ();
int from_id = fetch_int ();
int to_id = fetch_int ();
int l = prefetch_strlen ();
char *s = fetch_str (l);
fetch_pts ();
int date = fetch_int ();
fetch_seq ();
bl_do_create_message_text (id, from_id, PEER_CHAT, to_id, date, l, s);
} else {
fetch_int (); // id
fetch_int (); // from_id
fetch_int (); // to_id
int l = prefetch_strlen ();
fetch_str (l); // text
fetch_pts ();
fetch_int ();
fetch_seq ();
}
}
void fetch_message_media (struct message_media *M) {
memset (M, 0, sizeof (*M));
M->type = fetch_int ();
switch (M->type) {
case CODE_message_media_empty:
break;
case CODE_message_media_photo:
fetch_photo (&M->photo);
break;
case CODE_message_media_video:
fetch_video (&M->video);
break;
case CODE_message_media_audio:
fetch_audio (&M->audio);
break;
case CODE_message_media_document:
fetch_document (&M->document);
break;
case CODE_message_media_geo:
fetch_geo (&M->geo);
break;
case CODE_message_media_contact:
M->phone = fetch_str_dup ();
M->first_name = fetch_str_dup ();
M->last_name = fetch_str_dup ();
M->user_id = fetch_int ();
break;
case CODE_message_media_unsupported:
M->data_size = prefetch_strlen ();
M->data = talloc (M->data_size);
memcpy (M->data, fetch_str (M->data_size), M->data_size);
break;
default:
logprintf ("type = 0x%08x\n", M->type);
assert (0);
}
}
void fetch_skip_message_media (void) {
unsigned x = fetch_int ();
switch (x) {
case CODE_message_media_empty:
break;
case CODE_message_media_photo:
fetch_skip_photo ();
break;
case CODE_message_media_video:
fetch_skip_video ();
break;
case CODE_message_media_audio:
fetch_skip_audio ();
break;
case CODE_message_media_document:
fetch_skip_document ();
break;
case CODE_message_media_geo:
fetch_skip_geo ();
break;
case CODE_message_media_contact:
{
int l;
l = prefetch_strlen ();
fetch_str (l);
l = prefetch_strlen ();
fetch_str (l);
l = prefetch_strlen ();
fetch_str (l);
fetch_int ();
}
break;
case CODE_message_media_unsupported:
{
int l = prefetch_strlen ();
fetch_str (l);
}
break;
default:
logprintf ("type = 0x%08x\n", x);
assert (0);
}
}
void fetch_skip_message_media_encrypted (void) {
unsigned x = fetch_int ();
int l;