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queries.c
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queries.c
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/*
This file is part of tgl-library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Copyright Vitaly Valtman 2013-2014
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _FILE_OFFSET_BITS 64
#include <string.h>
#include <memory.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/utsname.h>
#include "include.h"
#include "mtproto-client.h"
#include "queries.h"
#include "tree.h"
#include "mtproto-common.h"
//#include "telegram.h"
#include "loop.h"
#include "structures.h"
//#include "interface.h"
//#include "net.h"
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/aes.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
#include "no-preview.h"
#include "binlog.h"
#include "updates.h"
#include "auto.h"
#include "tgl.h"
#ifdef EVENT_V2
#include <event2/event.h>
#else
#include <event.h>
#include "event-old.h"
#endif
#define sha1 SHA1
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
//int want_dc_num;
char *get_downloads_directory (void);
//extern int offline_mode;
//long long cur_uploading_bytes;
//long long cur_uploaded_bytes;
//long long cur_downloading_bytes;
//long long cur_downloaded_bytes;
//extern int binlog_enabled;
//extern int sync_from_start;
//static int queries_num;
static void out_peer_id (tgl_peer_id_t id);
#define QUERY_TIMEOUT 6.0
#define memcmp8(a,b) memcmp ((a), (b), 8)
DEFINE_TREE (query, struct query *, memcmp8, 0) ;
static struct tree_query *queries_tree;
struct query *tglq_query_get (long long id) {
return tree_lookup_query (queries_tree, (void *)&id);
}
static int alarm_query (struct query *q) {
assert (q);
vlogprintf (E_DEBUG - 1, "Alarm query %lld\n", q->msg_id);
//q->ev.timeout = get_double_time () + QUERY_TIMEOUT;
//insert_event_timer (&q->ev);
static struct timeval ptimeout = { QUERY_TIMEOUT, 0};
event_add (q->ev, &ptimeout);
/*if (q->session->c->out_bytes >= 100000) {
return 0;
}*/
if (q->session->session_id == q->session_id) {
clear_packet ();
out_int (CODE_msg_container);
out_int (1);
out_long (q->msg_id);
out_int (q->seq_no);
out_int (4 * q->data_len);
out_ints (q->data, q->data_len);
tglmp_encrypt_send_message (q->session->c, packet_buffer, packet_ptr - packet_buffer, q->flags & QUERY_FORCE_SEND);
} else {
q->flags &= ~QUERY_ACK_RECEIVED;
if (tree_lookup_query (queries_tree, q)) {
queries_tree = tree_delete_query (queries_tree, q);
}
q->msg_id = tglmp_encrypt_send_message (q->session->c, q->data, q->data_len, (q->flags & QUERY_FORCE_SEND) | 1);
queries_tree = tree_insert_query (queries_tree, q, lrand48 ());
q->session_id = q->session->session_id;
if (!(q->session->dc->flags & 4) && !(q->flags & QUERY_FORCE_SEND)) {
q->session_id = 0;
}
}
return 0;
}
void tglq_query_restart (long long id) {
struct query *q = tglq_query_get (id);
if (q) {
event_del (q->ev);
alarm_query (q);
}
}
static void alarm_query_gateway (evutil_socket_t fd, short what, void *arg) {
alarm_query (arg);
}
struct query *tglq_send_query_ex (struct tgl_dc *DC, int ints, void *data, struct query_methods *methods, void *extra, void *callback, void *callback_extra, int flags) {
assert (DC);
assert (DC->auth_key_id);
if (!DC->sessions[0]) {
tglmp_dc_create_session (DC);
}
vlogprintf (E_DEBUG, "Sending query of size %d to DC (%s:%d)\n", 4 * ints, DC->ip, DC->port);
struct query *q = talloc0 (sizeof (*q));
q->data_len = ints;
q->data = talloc (4 * ints);
memcpy (q->data, data, 4 * ints);
q->msg_id = tglmp_encrypt_send_message (DC->sessions[0]->c, data, ints, 1 | (flags & QUERY_FORCE_SEND));
q->session = DC->sessions[0];
q->seq_no = q->session->seq_no - 1;
q->session_id = q->session->session_id;
if (!(DC->flags & 4) && !(flags & QUERY_FORCE_SEND)) {
q->session_id = 0;
}
vlogprintf (E_DEBUG, "Msg_id is %lld %p\n", q->msg_id, q);
q->methods = methods;
q->type = methods->type;
q->DC = DC;
q->flags = flags & QUERY_FORCE_SEND;
if (queries_tree) {
vlogprintf (E_DEBUG + 2, "%lld %lld\n", q->msg_id, queries_tree->x->msg_id);
}
queries_tree = tree_insert_query (queries_tree, q, lrand48 ());
//q->ev.alarm = (void *)alarm_query;
//q->ev.timeout = get_double_time () + QUERY_TIMEOUT;
//q->ev.self = (void *)q;
//insert_event_timer (&q->ev);
q->ev = evtimer_new (tgl_state.ev_base, alarm_query_gateway, q);
static struct timeval ptimeout = { QUERY_TIMEOUT, 0};
event_add (q->ev, &ptimeout);
q->extra = extra;
q->callback = callback;
q->callback_extra = callback_extra;
tgl_state.active_queries ++;
return q;
}
struct query *tglq_send_query (struct tgl_dc *DC, int ints, void *data, struct query_methods *methods, void *extra, void *callback, void *callback_extra) {
return tglq_send_query_ex (DC, ints, data, methods, extra, callback, callback_extra, 0);
}
static int fail_on_error (struct query *q UU, int error_code UU, int l UU, char *error UU) {
fprintf (stderr, "error #%d: %.*s\n", error_code, l, error);
assert (0);
return 0;
}
void tglq_query_ack (long long id) {
struct query *q = tglq_query_get (id);
if (q && !(q->flags & QUERY_ACK_RECEIVED)) {
assert (q->msg_id == id);
q->flags |= QUERY_ACK_RECEIVED;
event_del (q->ev);
}
}
void tglq_query_error (long long id) {
assert (fetch_int () == CODE_rpc_error);
int error_code = fetch_int ();
int error_len = prefetch_strlen ();
char *error = fetch_str (error_len);
vlogprintf (E_WARNING, "error for query #%lld: #%d :%.*s\n", id, error_code, error_len, error);
struct query *q = tglq_query_get (id);
if (!q) {
vlogprintf (E_WARNING, "No such query\n");
} else {
if (!(q->flags & QUERY_ACK_RECEIVED)) {
event_del (q->ev);
}
queries_tree = tree_delete_query (queries_tree, q);
int res = 0;
if (q->methods && q->methods->on_error && error_code != 500) {
res = q->methods->on_error (q, error_code, error_len, error);
} else {
if (error_code == 420 || error_code == 500) {
int wait;
if (error_code == 420) {
if (strncmp (error, "FLOOD_WAIT_", 11)) {
vlogprintf (E_ERROR, "error = '%s'\n", error);
wait = 10;
} else {
wait = atoll (error + 11);
}
} else {
wait = 10;
}
q->flags &= ~QUERY_ACK_RECEIVED;
static struct timeval ptimeout;
ptimeout.tv_sec = wait;
event_add (q->ev, &ptimeout);
q->session_id = 0;
res = 1;
}
}
if (res <= 0) {
tfree (q->data, q->data_len * 4);
event_free (q->ev);
tfree (q, sizeof (*q));
}
}
tgl_state.active_queries --;
}
#define MAX_PACKED_SIZE (1 << 24)
static int packed_buffer[MAX_PACKED_SIZE / 4];
void tglq_query_result (long long id UU) {
vlogprintf (E_DEBUG, "result for query #%lld. Size %ld bytes\n", id, (long)4 * (in_end - in_ptr));
/*if (verbosity >= 4) {
logprintf ( "result: ");
hexdump_in ();
}*/
int op = prefetch_int ();
int *end = 0;
int *eend = 0;
if (op == CODE_gzip_packed) {
fetch_int ();
int l = prefetch_strlen ();
char *s = fetch_str (l);
int total_out = tgl_inflate (s, l, packed_buffer, MAX_PACKED_SIZE);
vlogprintf (E_DEBUG, "inflated %d bytes\n", total_out);
end = in_ptr;
eend = in_end;
//assert (total_out % 4 == 0);
in_ptr = packed_buffer;
in_end = in_ptr + total_out / 4;
/*if (verbosity >= 4) {
logprintf ( "Unzipped data: ");
hexdump_in ();
}*/
}
struct query *q = tglq_query_get (id);
if (!q) {
//if (verbosity) {
// logprintf ( "No such query\n");
//}
vlogprintf (E_WARNING, "No such query\n");
in_ptr = in_end;
} else {
if (!(q->flags & QUERY_ACK_RECEIVED)) {
event_del (q->ev);
}
queries_tree = tree_delete_query (queries_tree, q);
if (q->methods && q->methods->on_answer) {
if (q->type) {
int *save = in_ptr;
vlogprintf (E_DEBUG, "in_ptr = %p, end_ptr = %p\n", in_ptr, in_end);
if (skip_type_any (q->type) < 0) {
vlogprintf (E_ERROR, "Skipped %ld int out of %ld (type %s)\n", (long)(in_ptr - save), (long)(in_end - save), q->type->type->id);
assert (0);
}
assert (in_ptr == in_end);
in_ptr = save;
}
q->methods->on_answer (q);
assert (in_ptr == in_end);
}
tfree (q->data, 4 * q->data_len);
event_free (q->ev);
tfree (q, sizeof (*q));
}
if (end) {
in_ptr = end;
in_end = eend;
}
tgl_state.active_queries --;
}
//int max_chat_size;
//int max_bcast_size;
//int want_dc_num;
//int new_dc_num;
//extern struct tgl_dc *DC_list[];
//extern struct tgl_dc *tgl_state.DC_working;
static void out_random (int n) {
assert (n <= 32);
static char buf[32];
tglt_secure_random (buf, n);
out_cstring (buf, n);
}
int allow_send_linux_version;
void tgl_do_insert_header (void) {
out_int (CODE_invoke_with_layer17);
out_int (CODE_init_connection);
out_int (TG_APP_ID);
if (allow_send_linux_version) {
struct utsname st;
uname (&st);
out_string (st.machine);
static char buf[4096];
tsnprintf (buf, sizeof (buf), "%.999s %.999s %.999s\n", st.sysname, st.release, st.version);
out_string (buf);
out_string (TGL_VERSION " (build " TGL_BUILD ")");
out_string ("En");
} else {
out_string ("x86");
out_string ("Linux");
out_string (TGL_VERSION);
out_string ("en");
}
}
/* {{{ Get config */
static void fetch_dc_option (void) {
assert (fetch_int () == CODE_dc_option);
int id = fetch_int ();
int l1 = prefetch_strlen ();
char *name = fetch_str (l1);
int l2 = prefetch_strlen ();
char *ip = fetch_str (l2);
int port = fetch_int ();
vlogprintf (E_DEBUG, "id = %d, name = %.*s ip = %.*s port = %d\n", id, l1, name, l2, ip, port);
bl_do_dc_option (id, l1, name, l2, ip, port);
}
static int help_get_config_on_answer (struct query *q UU) {
unsigned op = fetch_int ();
assert (op == CODE_config || op == CODE_config_old);
fetch_int ();
unsigned test_mode = fetch_int ();
assert (test_mode == CODE_bool_true || test_mode == CODE_bool_false);
assert (test_mode == CODE_bool_false || test_mode == CODE_bool_true);
int this_dc = fetch_int ();
vlogprintf (E_DEBUG, "this_dc = %d\n", this_dc);
assert (fetch_int () == CODE_vector);
int n = fetch_int ();
assert (n <= 10);
int i;
for (i = 0; i < n; i++) {
fetch_dc_option ();
}
int max_chat_size = fetch_int ();
int max_bcast_size = 0;
if (op == CODE_config) {
max_bcast_size = fetch_int ();
}
vlogprintf (E_DEBUG, "chat_size = %d, bcast_size = %d\n", max_chat_size, max_bcast_size);
if (q->callback) {
((void (*)(void *, int))(q->callback))(q->callback_extra, 1);
}
return 0;
}
static struct query_methods help_get_config_methods = {
.on_answer = help_get_config_on_answer,
.type = TYPE_TO_PARAM(config)
};
void tgl_do_help_get_config (void (*callback)(void *, int), void *callback_extra) {
clear_packet ();
tgl_do_insert_header ();
out_int (CODE_help_get_config);
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &help_get_config_methods, 0, callback, callback_extra);
}
void tgl_do_help_get_config_dc (struct tgl_dc *D, void (*callback)(void *, int), void *callback_extra) {
clear_packet ();
tgl_do_insert_header ();
out_int (CODE_help_get_config);
tglq_send_query_ex (D, packet_ptr - packet_buffer, packet_buffer, &help_get_config_methods, 0, callback, callback_extra, 2);
}
/* }}} */
/* {{{ Send code */
static int send_code_on_answer (struct query *q UU) {
static char *phone_code_hash;
assert (fetch_int () == (int)CODE_auth_sent_code);
int registered = fetch_bool ();
int l = prefetch_strlen ();
char *s = fetch_str (l);
if (phone_code_hash) {
tfree_str (phone_code_hash);
}
phone_code_hash = tstrndup (s, l);
fetch_int ();
fetch_bool ();
tfree_str (q->extra);
if (q->callback) {
((void (*)(void *, int, int, const char *))(q->callback)) (q->callback_extra, 1, registered, phone_code_hash);
}
return 0;
}
static int send_code_on_error (struct query *q UU, int error_code, int l, char *error) {
int s = strlen ("PHONE_MIGRATE_");
int s2 = strlen ("NETWORK_MIGRATE_");
int want_dc_num = 0;
if (l >= s && !memcmp (error, "PHONE_MIGRATE_", s)) {
int i = error[s] - '0';
want_dc_num = i;
} else if (l >= s2 && !memcmp (error, "NETWORK_MIGRATE_", s2)) {
int i = error[s2] - '0';
want_dc_num = i;
} else {
vlogprintf (E_ERROR, "error_code = %d, error = %.*s\n", error_code, l, error);
assert (0);
}
bl_do_set_working_dc (want_dc_num);
//if (q->callback) {
// ((void (*)(void *, int, int, const char *))(q->callback)) (q->callback_extra, 0, 0, 0);
//}
assert (tgl_state.DC_working->id == want_dc_num);
tgl_do_send_code (q->extra, q->callback, q->callback_extra);
tfree_str (q->extra);
return 0;
}
static struct query_methods send_code_methods = {
.on_answer = send_code_on_answer,
.on_error = send_code_on_error,
.type = TYPE_TO_PARAM(auth_sent_code)
};
//char *suser;
//extern int dc_working_num;
void tgl_do_send_code (const char *user, void (*callback)(void *callback_extra, int success, int registered, const char *hash), void *callback_extra) {
vlogprintf (E_DEBUG, "sending code to dc %d\n", tgl_state.dc_working_num);
//suser = tstrdup (user);
clear_packet ();
tgl_do_insert_header ();
out_int (CODE_auth_send_code);
out_string (user);
out_int (0);
out_int (TG_APP_ID);
out_string (TG_APP_HASH);
out_string ("en");
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &send_code_methods, tstrdup (user), callback, callback_extra);
}
static int phone_call_on_answer (struct query *q UU) {
fetch_bool ();
if (q->callback) {
((void (*)(void *, int))(q->callback))(q->callback_extra, 1);
}
return 0;
}
static struct query_methods phone_call_methods = {
.on_answer = phone_call_on_answer,
.type = TYPE_TO_PARAM(bool)
};
void tgl_do_phone_call (const char *user, const char *hash,void (*callback)(void *callback_extra, int success), void *callback_extra) {
vlogprintf (E_DEBUG, "calling user\n");
//suser = tstrdup (user);
//want_dc_num = 0;
clear_packet ();
tgl_do_insert_header ();
out_int (CODE_auth_send_call);
out_string (user);
out_string (hash);
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &phone_call_methods, 0, callback, callback_extra);
}
/* }}} */
/* {{{ Check phone */
/*int check_phone_result;
int cr_f (void) {
return check_phone_result >= 0;
}
int check_phone_on_answer (struct query *q UU) {
assert (fetch_int () == (int)CODE_auth_checked_phone);
check_phone_result = fetch_bool ();
fetch_bool ();
return 0;
}
int check_phone_on_error (struct query *q UU, int error_code, int l, char *error) {
int s = strlen ("PHONE_MIGRATE_");
int s2 = strlen ("NETWORK_MIGRATE_");
if (l >= s && !memcmp (error, "PHONE_MIGRATE_", s)) {
int i = error[s] - '0';
assert (DC_list[i]);
dc_working_num = i;
tgl_state.DC_working = DC_list[i];
write_auth_file ();
bl_do_set_working_dc (i);
check_phone_result = 1;
} else if (l >= s2 && !memcmp (error, "NETWORK_MIGRATE_", s2)) {
int i = error[s2] - '0';
assert (DC_list[i]);
dc_working_num = i;
bl_do_set_working_dc (i);
tgl_state.DC_working = DC_list[i];
write_auth_file ();
check_phone_result = 1;
} else {
logprintf ( "error_code = %d, error = %.*s\n", error_code, l, error);
assert (0);
}
return 0;
}
struct query_methods check_phone_methods = {
.on_answer = check_phone_on_answer,
.on_error = check_phone_on_error,
.type = TYPE_TO_PARAM(auth_checked_phone)
};
int tgl_do_auth_check_phone (const char *user) {
suser = tstrdup (user);
clear_packet ();
out_int (CODE_auth_check_phone);
out_string (user);
check_phone_result = -1;
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &check_phone_methods, 0);
net_loop (0, cr_f);
check_phone_result = -1;
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &check_phone_methods, 0);
net_loop (0, cr_f);
return check_phone_result;
}*/
/* }}} */
/* {{{ Nearest DC */
/*int nearest_dc_num;
int nr_f (void) {
return nearest_dc_num >= 0;
}
int nearest_dc_on_answer (struct query *q UU) {
assert (fetch_int () == (int)CODE_nearest_dc);
char *country = fetch_str_dup ();
if (verbosity > 0) {
logprintf ("Server thinks that you are in %s\n", country);
}
fetch_int (); // this_dc
nearest_dc_num = fetch_int ();
assert (nearest_dc_num >= 0);
return 0;
}
struct query_methods nearest_dc_methods = {
.on_answer = nearest_dc_on_answer,
.on_error = fail_on_error,
.type = TYPE_TO_PARAM(nearest_dc)
};
int tgl_do_get_nearest_dc (void) {
clear_packet ();
out_int (CODE_help_get_nearest_dc);
nearest_dc_num = -1;
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &nearest_dc_methods, 0);
net_loop (0, nr_f);
return nearest_dc_num;
}*/
/* }}} */
/* {{{ Sign in / Sign up */
static int sign_in_on_answer (struct query *q UU) {
assert (fetch_int () == (int)CODE_auth_authorization);
int expires = fetch_int ();
vlogprintf (E_DEBUG, "Expires in %d\n", expires);
struct tgl_user *U = tglf_fetch_alloc_user ();
tgl_state.DC_working->has_auth = 1;
bl_do_dc_signed (tgl_state.DC_working->id);
if (q->callback) {
((void (*)(void *, int, struct tgl_user *))q->callback) (q->callback_extra, 1, U);
}
return 0;
}
static struct query_methods sign_in_methods = {
.on_answer = sign_in_on_answer,
.type = TYPE_TO_PARAM(auth_authorization)
};
int tgl_do_send_code_result (const char *user, const char *hash, const char *code, void (*callback)(void *callback_extra, int success, struct tgl_user *Self), void *callback_extra) {
clear_packet ();
out_int (CODE_auth_sign_in);
out_string (user);
out_string (hash);
out_string (code);
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &sign_in_methods, 0, callback, callback_extra);
return 0;
}
int tgl_do_send_code_result_auth (const char *user, const char *hash, const char *code, const char *first_name, const char *last_name, void (*callback)(void *callback_extra, int success, struct tgl_user *Self), void *callback_extra) {
clear_packet ();
out_int (CODE_auth_sign_up);
out_string (user);
out_string (hash);
out_string (code);
out_string (first_name);
out_string (last_name);
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &sign_in_methods, 0, callback, callback_extra);
return 0;
}
/* }}} */
/* {{{ Get contacts */
static int get_contacts_on_answer (struct query *q UU) {
int i;
assert (fetch_int () == (int)CODE_contacts_contacts);
assert (fetch_int () == CODE_vector);
int n = fetch_int ();
for (i = 0; i < n; i++) {
assert (fetch_int () == (int)CODE_contact);
fetch_int (); // id
fetch_int (); // mutual
}
assert (fetch_int () == CODE_vector);
n = fetch_int ();
struct tgl_user **list = talloc (sizeof (void *) * n);
for (i = 0; i < n; i++) {
list[i] = tglf_fetch_alloc_user ();
}
if (q->callback) {
((void (*)(void *, int, int, struct tgl_user **))q->callback) (q->callback_extra, 1, n, list);
}
tfree (list, sizeof (void *) * n);
/* for (i = 0; i < n; i++) {
struct tgl_user *U = tglf_fetch_alloc_user ();
print_start ();
push_color (COLOR_YELLOW);
printf ("User #%d: ", tgl_get_peer_id (U->id));
print_user_name (U->id, (tgl_peer_t *)U);
push_color (COLOR_GREEN);
printf (" (");
printf ("%s", U->print_name);
if (U->phone) {
printf (" ");
printf ("%s", U->phone);
}
printf (") ");
pop_color ();
if (U->status.online > 0) {
printf ("online\n");
} else {
if (U->status.online < 0) {
printf ("offline. Was online ");
print_date_full (U->status.when);
} else {
printf ("offline permanent");
}
printf ("\n");
}
pop_color ();
print_end ();
}*/
return 0;
}
static struct query_methods get_contacts_methods = {
.on_answer = get_contacts_on_answer,
.type = TYPE_TO_PARAM(contacts_contacts)
};
void tgl_do_update_contact_list (void (*callback) (void *callback_extra, int success, int size, struct tgl_user *contacts[]), void *callback_extra) {
clear_packet ();
out_int (CODE_contacts_get_contacts);
out_string ("");
tglq_send_query (tgl_state.DC_working, packet_ptr - packet_buffer, packet_buffer, &get_contacts_methods, 0, callback, callback_extra);
}
/* }}} */
/* {{{ Encrypt decrypted */
static int *encr_extra;
static int *encr_ptr;
static int *encr_end;
static char *encrypt_decrypted_message (struct tgl_secret_chat *E) {
static int msg_key[4];
static unsigned char sha1a_buffer[20];
static unsigned char sha1b_buffer[20];
static unsigned char sha1c_buffer[20];
static unsigned char sha1d_buffer[20];
int x = *(encr_ptr);
assert (x >= 0 && !(x & 3));
sha1 ((void *)encr_ptr, 4 + x, sha1a_buffer);
memcpy (msg_key, sha1a_buffer + 4, 16);
static unsigned char buf[64];
memcpy (buf, msg_key, 16);
memcpy (buf + 16, E->key, 32);
sha1 (buf, 48, sha1a_buffer);
memcpy (buf, E->key + 8, 16);
memcpy (buf + 16, msg_key, 16);
memcpy (buf + 32, E->key + 12, 16);
sha1 (buf, 48, sha1b_buffer);
memcpy (buf, E->key + 16, 32);
memcpy (buf + 32, msg_key, 16);
sha1 (buf, 48, sha1c_buffer);
memcpy (buf, msg_key, 16);
memcpy (buf + 16, E->key + 24, 32);
sha1 (buf, 48, sha1d_buffer);
static unsigned char key[32];
memcpy (key, sha1a_buffer + 0, 8);
memcpy (key + 8, sha1b_buffer + 8, 12);
memcpy (key + 20, sha1c_buffer + 4, 12);
static unsigned char iv[32];
memcpy (iv, sha1a_buffer + 8, 12);
memcpy (iv + 12, sha1b_buffer + 0, 8);
memcpy (iv + 20, sha1c_buffer + 16, 4);
memcpy (iv + 24, sha1d_buffer + 0, 8);
AES_KEY aes_key;
AES_set_encrypt_key (key, 256, &aes_key);
AES_ige_encrypt ((void *)encr_ptr, (void *)encr_ptr, 4 * (encr_end - encr_ptr), &aes_key, iv, 1);
memset (&aes_key, 0, sizeof (aes_key));
return (void *)msg_key;
}
static void encr_start (void) {
encr_extra = packet_ptr;
packet_ptr += 1; // str len
packet_ptr += 2; // fingerprint
packet_ptr += 4; // msg_key
packet_ptr += 1; // len
}
static void encr_finish (struct tgl_secret_chat *E) {
int l = packet_ptr - (encr_extra + 8);
while (((packet_ptr - encr_extra) - 3) & 3) {
int t;
tglt_secure_random (&t, 4);
out_int (t);
}
*encr_extra = ((packet_ptr - encr_extra) - 1) * 4 * 256 + 0xfe;
encr_extra ++;
*(long long *)encr_extra = E->key_fingerprint;
encr_extra += 2;
encr_extra[4] = l * 4;
encr_ptr = encr_extra + 4;
encr_end = packet_ptr;
memcpy (encr_extra, encrypt_decrypted_message (E), 16);
}
/* }}} */
void tgl_do_send_encr_chat_layer (struct tgl_secret_chat *E) {
long long t;
tglt_secure_random (&t, 8);
int action[2];
action[0] = CODE_decrypted_message_action_notify_layer;
action[1] = TGL_ENCRYPTED_LAYER;
bl_do_send_message_action_encr (t, tgl_state.our_id, tgl_get_peer_type (E->id), tgl_get_peer_id (E->id), time (0), 2, action);
struct tgl_message *M = tgl_message_get (t);
assert (M);
assert (M->action.type == tgl_message_action_notify_layer);
tgl_do_send_msg (M, 0, 0);
//print_message (M);
}
void tgl_do_set_encr_chat_ttl (struct tgl_secret_chat *E, int ttl, void (*callback)(void *callback_extra, int success, struct tgl_message *M), void *callback_extra) {
long long t;
tglt_secure_random (&t, 8);
int action[2];
action[0] = CODE_decrypted_message_action_set_message_t_t_l;
action[1] = ttl;
bl_do_send_message_action_encr (t, tgl_state.our_id, tgl_get_peer_type (E->id), tgl_get_peer_id (E->id), time (0), 2, action);
struct tgl_message *M = tgl_message_get (t);
assert (M);
assert (M->action.type == tgl_message_action_set_message_ttl);
tgl_do_send_msg (M, callback, callback_extra);
//print_message (M);
}
/* {{{ Seng msg (plain text) */
static int msg_send_encr_on_answer (struct query *q UU) {
assert (fetch_int () == CODE_messages_sent_encrypted_message);
struct tgl_message *M = q->extra;
//M->date = fetch_int ();
fetch_int ();
if (M->flags & FLAG_PENDING) {
bl_do_set_message_sent (M);
bl_do_msg_update (M->id);
}
if (q->callback) {
((void (*)(void *, int, struct tgl_message *))q->callback) (q->callback_extra, 1, M);
}
return 0;
}
static int msg_send_on_answer (struct query *q UU) {
unsigned x = fetch_int ();
assert (x == CODE_messages_sent_message || x == CODE_messages_sent_message_link);
int id = fetch_int (); // id
long long y = *(long long *)q->extra;
tfree (q->extra, 8);
struct tgl_message *M = tgl_message_get (y);
if (M && M->id != id) {
bl_do_set_msg_id (M, id);
}
int date = fetch_int ();
int pts = fetch_int ();
//tglu_fetch_seq ();
//bl_do_
int seq = fetch_int ();
if (seq == tgl_state.seq + 1 && !(tgl_state.locks & TGL_LOCK_DIFF)) {
bl_do_set_date (date);
bl_do_set_pts (pts);
bl_do_msg_seq_update (id);
} else {
if (seq > tgl_state.seq + 1) {
vlogprintf (E_NOTICE, "Hole in seq\n");
tgl_do_get_difference (0, 0, 0);
}
}
if (x == CODE_messages_sent_message_link) {
assert (skip_type_any (TYPE_TO_PARAM_1 (vector, TYPE_TO_PARAM (contacts_link))) >= 0);
}
/*if (x == CODE_messages_sent_message_link) {
assert (fetch_int () == CODE_vector);
int n = fetch_int ();
int i;
unsigned a, b;
for (i = 0; i < n; i++) {
assert (fetch_int () == (int)CODE_contacts_link);
a = fetch_int ();
assert (a == CODE_contacts_my_link_empty || a == CODE_contacts_my_link_requested || a == CODE_contacts_my_link_contact);
if (a == CODE_contacts_my_link_requested) {
fetch_bool ();
}
b = fetch_int ();
assert (b == CODE_contacts_foreign_link_unknown || b == CODE_contacts_foreign_link_requested || b == CODE_contacts_foreign_link_mutual);
if (b == CODE_contacts_foreign_link_requested) {
fetch_bool ();
}
struct tgl_user *U = tglf_fetch_alloc_user ();
U->flags &= ~(FLAG_USER_IN_CONTACT | FLAG_USER_OUT_CONTACT);
if (a == CODE_contacts_my_link_contact) {
U->flags |= FLAG_USER_IN_CONTACT;
}
U->flags &= ~(FLAG_USER_IN_CONTACT | FLAG_USER_OUT_CONTACT);
if (b == CODE_contacts_foreign_link_mutual) {
U->flags |= FLAG_USER_IN_CONTACT | FLAG_USER_OUT_CONTACT;
}
if (b == CODE_contacts_foreign_link_requested) {
U->flags |= FLAG_USER_OUT_CONTACT;
}
print_start ();
push_color (COLOR_YELLOW);
printf ("Link with user ");
print_user_name (U->id, (void *)U);
printf (" changed\n");
pop_color ();
print_end ();
}
}*/
if (M->flags & FLAG_PENDING) {
bl_do_set_message_sent (M);
}
if (q->callback) {
((void (*)(void *, int, struct tgl_message *))q->callback) (q->callback_extra, 1, M);
}
return 0;
}
static int msg_send_on_error (struct query *q, int error_code, int error_len, char *error) {
//vlogprintf (E_WARNING, "error for query #%lld: #%d :%.*s\n", q->msg_id, error_code, error_len, error);
if (error_code == 420) {
assert (!strncmp (error, "FLOOD_WAIT_", 11));
int wait = atoll (error + 11);
q->flags &= ~QUERY_ACK_RECEIVED;
static struct timeval ptimeout;
ptimeout.tv_sec = wait;
event_add (q->ev, &ptimeout);
q->session_id = 0;
return 1;
}
long long x = *(long long *)q->extra;
tfree (q->extra, 8);
struct tgl_message *M = tgl_message_get (x);
if (q->callback) {
((void (*)(void *, int, struct tgl_message *))q->callback) (q->callback_extra, 0, M);
}
if (M) {
bl_do_delete_msg (M);
}
return 0;
}
static struct query_methods msg_send_methods = {
.on_answer = msg_send_on_answer,
.on_error = msg_send_on_error,
.type = TYPE_TO_PARAM(messages_sent_message)
};
static struct query_methods msg_send_encr_methods = {
.on_answer = msg_send_encr_on_answer,
.type = TYPE_TO_PARAM(messages_sent_encrypted_message)
};
//int out_message_num;
void tgl_do_send_encr_msg_action (struct tgl_message *M, void (*callback)(void *callback_extra, int success, struct tgl_message *M), void *callback_extra) {
tgl_peer_t *P = tgl_peer_get (M->to_id);
if (!P || P->encr_chat.state != sc_ok) {
vlogprintf (E_WARNING, "Unknown encrypted chat\n");
if (callback) {
((void (*)(void *, int, struct tgl_message *))callback) (callback_extra, 0, M);
}
return;
}
clear_packet ();
out_int (CODE_messages_send_encrypted_service);
out_int (CODE_input_encrypted_chat);
out_int (tgl_get_peer_id (M->to_id));
out_long (P->encr_chat.access_hash);
out_long (M->id);
encr_start ();
if (P->encr_chat.layer <= 16) {
out_int (CODE_decrypted_message_service_l16);
} else {
out_int (CODE_decrypted_message_service);
out_int (2 * P->encr_chat.in_seq_no + (P->encr_chat.admin_id != tgl_state.our_id));
out_int (2 * P->encr_chat.out_seq_no + (P->encr_chat.admin_id == tgl_state.our_id));
}
out_long (M->id);