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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 2013-2015
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _FILE_OFFSET_BITS 64
#include <errno.h>
#include <string.h>
#include <memory.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifndef WIN32
#include <sys/utsname.h>
#endif
#include "mtproto-client.h"
#include "queries.h"
#include "tree.h"
#include "mtproto-common.h"
//#include "telegram.h"
#include "tgl-structures.h"
//#include "interface.h"
//#include "net.h"
#include "crypto/bn.h"
#include "crypto/rand.h"
#include "crypto/aes.h"
#include "crypto/sha.h"
#include "crypto/md5.h"
#include "no-preview.h"
#include "tgl-binlog.h"
#include "updates.h"
#include "auto.h"
#include "auto/auto-types.h"
#include "auto/auto-skip.h"
#include "auto/auto-free-ds.h"
#include "auto/auto-fetch-ds.h"
#include "auto/auto-print-ds.h"
#include "tgl.h"
#include "tg-mime-types.h"
#include "mtproto-utils.h"
#include "tgl-methods-in.h"
#include "tgl-queries.h"
#ifndef EPROTO
// BSD doesn't define EPROTO, even though it is POSIX:
// https://lists.freebsd.org/pipermail/freebsd-standards/2003-June/000124.html
#define EPROTO EIO
#endif
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
static void out_peer_id (struct tgl_state *TLS, tgl_peer_id_t id);
static struct query_methods send_msgs_methods;
struct messages_send_extra {
int multi;
int count;
tgl_message_id_t id;
tgl_message_id_t *list;
};
#define QUERY_TIMEOUT 6.0
struct send_file {
int fd;
long long size;
long long offset;
int part_num;
int part_size;
long long id;
long long thumb_id;
tgl_peer_id_t to_id;
int flags;
char *file_name;
int encr;
//int avatar;
tgl_peer_id_t avatar;
int reply;
unsigned char *iv;
unsigned char *init_iv;
unsigned char *key;
int w;
int h;
int duration;
char *caption;
int channel;
};
#define memcmp8(a,b) memcmp ((a), (b), 8)
DEFINE_TREE (query, struct query *, memcmp8, 0) ;
static int mystreq1 (const char *a, const char *b, int l) {
if ((int)strlen (a) != l) { return 1; }
return memcmp (a, b, l);
}
/* {{{ COMMON */
struct query *tglq_query_get (struct tgl_state *TLS, long long id) {
return tree_lookup_query (TLS->queries_tree, (void *)&id);
}
static int alarm_query (struct tgl_state *TLS, struct query *q) {
assert (q);
vlogprintf (E_DEBUG - 2, "Alarm query %" INT64_PRINTF_MODIFIER "d (type '%s')\n", q->msg_id, q->methods->name);
TLS->timer_methods->insert (q->ev, q->methods->timeout ? q->methods->timeout : QUERY_TIMEOUT);
if (q->session && q->session_id && q->DC && q->DC->sessions[0] == q->session && 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 (TLS, q->session->c, packet_buffer, packet_ptr - packet_buffer, q->flags & QUERY_FORCE_SEND);
} else {
q->flags &= ~QUERY_ACK_RECEIVED;
if (tree_lookup_query (TLS->queries_tree, q)) {
TLS->queries_tree = tree_delete_query (TLS->queries_tree, q);
}
q->session = q->DC->sessions[0];
long long old_id = q->msg_id;
q->msg_id = tglmp_encrypt_send_message (TLS, q->session->c, q->data, q->data_len, (q->flags & QUERY_FORCE_SEND) | 1);
vlogprintf (E_NOTICE, "Resent query #%" INT64_PRINTF_MODIFIER "d as #%" INT64_PRINTF_MODIFIER "d of size %d to DC %d\n", old_id, q->msg_id, 4 * q->data_len, q->DC->id);
TLS->queries_tree = tree_insert_query (TLS->queries_tree, q, rand ());
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_regen_query (struct tgl_state *TLS, long long id) {
struct query *q = tglq_query_get (TLS, id);
if (!q) { return; }
q->flags &= ~QUERY_ACK_RECEIVED;
if (!(q->session && q->session_id && q->DC && q->DC->sessions[0] == q->session && q->session->session_id == q->session_id)) {
q->session_id = 0;
} else {
if (!(q->session->dc->flags & 4) && !(q->flags & QUERY_FORCE_SEND)) {
q->session_id = 0;
}
}
vlogprintf (E_NOTICE, "regen query %" INT64_PRINTF_MODIFIER "d\n", id);
TLS->timer_methods->insert (q->ev, 0.001);
}
struct regen_tmp_struct {
struct tgl_state *TLS;
struct tgl_dc *DC;
struct tgl_session *S;
};
void tglq_regen_query_from_old_session (struct query *q, void *ex) {
struct regen_tmp_struct *T = ex;
struct tgl_state *TLS = T->TLS;
if (q->DC == T->DC) {
if (!q->session || q->session_id != T->S->session_id || q->session != T->S) {
q->session_id = 0;
vlogprintf (E_NOTICE, "regen query from old session %" INT64_PRINTF_MODIFIER "d\n", q->msg_id);
TLS->timer_methods->insert (q->ev, q->methods->timeout ? 0.001 : 0.1);
}
}
}
void tglq_regen_queries_from_old_session (struct tgl_state *TLS, struct tgl_dc *DC, struct tgl_session *S) {
struct regen_tmp_struct T;
T.TLS = TLS;
T.DC = DC;
T.S = S;
tree_act_ex_query (TLS->queries_tree, tglq_regen_query_from_old_session, &T);
}
void tglq_query_restart (struct tgl_state *TLS, long long id) {
struct query *q = tglq_query_get (TLS, id);
if (q) {
vlogprintf (E_NOTICE, "restarting query %" INT64_PRINTF_MODIFIER "d\n", id);
TLS->timer_methods->remove (q->ev);
alarm_query (TLS, q);
}
}
static void alarm_query_gateway (struct tgl_state *TLS, void *arg) {
alarm_query (TLS, arg);
}
struct query *tglq_send_query_ex (struct tgl_state *TLS, 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 (TLS, DC);
}
vlogprintf (E_DEBUG, "Sending query of size %d to DC %d\n", 4 * ints, DC->id);
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 (TLS, 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 %" INT64_PRINTF_MODIFIER "d %p\n", q->msg_id, q);
vlogprintf (E_NOTICE, "Sent query #%" INT64_PRINTF_MODIFIER "d of size %d to DC %d\n", q->msg_id, 4 * ints, DC->id);
q->methods = methods;
q->type = methods->type;
q->DC = DC;
q->flags = flags & QUERY_FORCE_SEND;
if (TLS->queries_tree) {
vlogprintf (E_DEBUG + 2, "%" INT64_PRINTF_MODIFIER "d %" INT64_PRINTF_MODIFIER "d\n", q->msg_id, TLS->queries_tree->x->msg_id);
}
TLS->queries_tree = tree_insert_query (TLS->queries_tree, q, rand ());
q->ev = TLS->timer_methods->alloc (TLS, alarm_query_gateway, q);
TLS->timer_methods->insert (q->ev, q->methods->timeout ? q->methods->timeout : QUERY_TIMEOUT);
q->extra = extra;
q->callback = callback;
q->callback_extra = callback_extra;
TLS->active_queries ++;
return q;
}
struct query *tglq_send_query (struct tgl_state *TLS, struct tgl_dc *DC, int ints, void *data, struct query_methods *methods, void *extra, void *callback, void *callback_extra) {
return tglq_send_query_ex (TLS, DC, ints, data, methods, extra, callback, callback_extra, 0);
}
static int fail_on_error (struct tgl_state *TLS, struct query *q, int error_code, int l, const char *error) {
vlogprintf (E_ERROR, "error #%d: %.*s\n", error_code, l, error);
assert (0);
return 0;
}
void tglq_query_ack (struct tgl_state *TLS, long long id) {
struct query *q = tglq_query_get (TLS, id);
if (q && !(q->flags & QUERY_ACK_RECEIVED)) {
assert (q->msg_id == id);
q->flags |= QUERY_ACK_RECEIVED;
TLS->timer_methods->remove (q->ev);
}
}
void tglq_query_delete (struct tgl_state *TLS, long long id) {
struct query *q = tglq_query_get (TLS, id);
if (!q) {
return;
}
if (!(q->flags & QUERY_ACK_RECEIVED)) {
TLS->timer_methods->remove (q->ev);
}
TLS->queries_tree = tree_delete_query (TLS->queries_tree, q);
tfree (q->data, q->data_len * 4);
TLS->timer_methods->free (q->ev);
TLS->active_queries --;
}
static void resend_query_cb (struct tgl_state *TLS, void *_q, int success);
void tglq_free_query (struct query *q, void *extra) {
struct tgl_state *TLS = extra;
if (!(q->flags & QUERY_ACK_RECEIVED)) {
TLS->timer_methods->remove (q->ev);
}
tfree (q->data, q->data_len * 4);
TLS->timer_methods->free (q->ev);
}
void tglq_query_free_all (struct tgl_state *TLS) {
tree_act_ex_query (TLS->queries_tree, tglq_free_query, TLS);
TLS->queries_tree = tree_clear_query (TLS->queries_tree);
}
int tglq_query_error (struct tgl_state *TLS, 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);
struct query *q = tglq_query_get (TLS, id);
if (!q) {
vlogprintf (E_WARNING, "error for query ?! #%" INT64_PRINTF_MODIFIER "d: #%d :%.*s\n", id, error_code, error_len, error);
vlogprintf (E_WARNING, "No such query\n");
} else {
if (!(q->flags & QUERY_ACK_RECEIVED)) {
TLS->timer_methods->remove (q->ev);
}
int res = 0;
int error_handled = 0;
switch (error_code) {
case 303:
// migrate
{
int offset = -1;
if (error_len >= 15 && !memcmp (error, "PHONE_MIGRATE_", 14)) {
offset = 14;
}
if (error_len >= 17 && !memcmp (error, "NETWORK_MIGRATE_", 16)) {
offset = 16;
}
if (error_len >= 14 && !memcmp (error, "USER_MIGRATE_", 13)) {
offset = 13;
}
if (offset >= 0) {
int i = 0;
while (offset < error_len && error[offset] >= '0' && error[offset] <= '9') {
i = i * 10 + error[offset] - '0';
offset ++;
}
if (i > 0 && i < TGL_MAX_DC_NUM) {
bl_do_set_working_dc (TLS, i);
q->flags &= ~QUERY_ACK_RECEIVED;
//q->session_id = 0;
//struct tgl_dc *DC = q->DC;
//if (!(DC->flags & 4) && !(q->flags & QUERY_FORCE_SEND)) {
q->session_id = 0;
//}
q->DC = TLS->DC_working;
TLS->timer_methods->insert (q->ev, 0);
error_handled = 1;
res = 1;
}
}
}
break;
case 400:
// nothing to handle
// bad user input probably
break;
case 401:
if (!mystreq1 ("SESSION_PASSWORD_NEEDED", error, error_len)) {
if (!(TLS->locks & TGL_LOCK_PASSWORD)) {
TLS->locks |= TGL_LOCK_PASSWORD;
tgl_do_check_password (TLS, resend_query_cb, q);
}
res = 1;
error_handled = 1;
}
break;
case 403:
// privacy violation
break;
case 404:
// not found
break;
case 420:
// flood
case 500:
// internal error
default:
// anything else. Treated as internal error
{
// Do not auto-resend the same packet, it has already been answered. Retry at a higher level.
// Most errors won't be fixed by endless repeats either.
if (strncmp (error, "FLOOD_WAIT_", 11) == 0) {
//wait = atoll (error + 11);
} else if (error_code == 420) {
vlogprintf (E_ERROR, "non-standard wait = '%s'\n", error);
} else {
//non-floodwait error
}
q->flags &= ~QUERY_ACK_RECEIVED;
struct tgl_dc *DC = q->DC;
if (!(DC->flags & 4) && !(q->flags & QUERY_FORCE_SEND)) {
q->session_id = 0;
}
error_handled = 0;
res = 0;
}
break;
}
if (error_handled) {
vlogprintf (E_DEBUG - 2, "error for query #%" INT64_PRINTF_MODIFIER "d: #%d %.*s (HANDLED)\n", id, error_code, error_len, error);
} else {
vlogprintf (E_WARNING, "error for query '%s' #%" INT64_PRINTF_MODIFIER "d: #%d %.*s\n", q->methods->name, id, error_code, error_len, error);
if (q->methods && q->methods->on_error) {
res = q->methods->on_error (TLS, q, error_code, error_len, error);
}
}
if (res <= 0) {
TLS->queries_tree = tree_delete_query (TLS->queries_tree, q);
tfree (q->data, q->data_len * 4);
TLS->timer_methods->free (q->ev);
}
if (res == -11) {
TLS->active_queries --;
return -1;
}
}
TLS->active_queries --;
return 0;
}
#define MAX_PACKED_SIZE (1 << 24)
static int packed_buffer[MAX_PACKED_SIZE / 4];
int tglq_query_result (struct tgl_state *TLS, long long id) {
vlogprintf (E_DEBUG, "result for query #%" INT64_PRINTF_MODIFIER "d. Size %ld bytes\n", id, (long)4 * (in_end - in_ptr));
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;
in_ptr = packed_buffer;
in_end = in_ptr + total_out / 4;
}
struct query *q = tglq_query_get (TLS, id);
if (!q) {
vlogprintf (E_WARNING, "No such query\n");
in_ptr = in_end;
} else {
if (!(q->flags & QUERY_ACK_RECEIVED)) {
TLS->timer_methods->remove (q->ev);
}
TLS->queries_tree = tree_delete_query (TLS->queries_tree, q);
if (q->methods && q->methods->on_answer) {
assert (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) (query type %s)\n", (long)(in_ptr - save), (long)(in_end - save), q->type->type->id, q->methods->name);
vlogprintf (E_ERROR, "0x%08x 0x%08x 0x%08x 0x%08x\n", *(save - 1), *(save), *(save + 1), *(save + 2));
assert (0);
}
assert (in_ptr == in_end);
in_ptr = save;
void *DS = fetch_ds_type_any (q->type);
assert (DS);
q->methods->on_answer (TLS, q, DS);
free_ds_type_any (DS, q->type);
assert (in_ptr == in_end);
}
tfree (q->data, 4 * q->data_len);
TLS->timer_methods->free (q->ev);
tfree (q, sizeof (*q));
}
if (end) {
in_ptr = end;
in_end = eend;
}
TLS->active_queries --;
return 0;
}
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 (struct tgl_state *TLS) {
out_int (CODE_invoke_with_layer);
out_int (TGL_SCHEME_LAYER);
out_int (CODE_init_connection);
out_int (TLS->app_id);
#ifndef WIN32
if (allow_send_linux_version) {
struct utsname st;
uname (&st);
out_string (st.machine);
static char buf[4096];
tsnprintf (buf, sizeof (buf) - 1, "%.999s %.999s %.999s", st.sysname, st.release, st.version);
out_string (buf);
tsnprintf (buf, sizeof (buf) - 1, "%s (TGL %s)", TLS->app_version, TGL_VERSION);
out_string (buf);
out_string ("En");
} else {
out_string ("x86");
out_string ("Linux");
static char buf[4096];
tsnprintf (buf, sizeof (buf) - 1, "%s (TGL %s)", TLS->app_version, TGL_VERSION);
out_string (buf);
out_string ("en");
}
#else
out_string ("x86");
out_string ("Windows");
static char buf[4096];
tsnprintf (buf, sizeof (buf) - 1, "%s (TGL %s)", TLS->app_version, TGL_VERSION);
out_string (buf);
out_string ("en");
#endif
}
void tgl_set_query_error (struct tgl_state *TLS, int error_code, const char *format, ...) __attribute__ ((format (printf, 3, 4)));
void tgl_set_query_error (struct tgl_state *TLS, int error_code, const char *format, ...) {
static char s[1001];
va_list ap;
va_start (ap, format);
vsnprintf (s, 1000, format, ap);
va_end (ap);
if (TLS->error) {
tfree_str (TLS->error);
}
TLS->error = tstrdup (s);
TLS->error_code = error_code;
}
/* }}} */
/* {{{ Default on error */
static int q_void_on_error (struct tgl_state *TLS, struct query *q, int error_code, int error_len, const char *error) {
tgl_set_query_error (TLS, EPROTO, "RPC_CALL_FAIL %d: %.*s", error_code, error_len, error);
if (q->callback) {
((void (*)(struct tgl_state *,void *, int))(q->callback))(TLS, q->callback_extra, 0);
}
return 0;
}
static int q_ptr_on_error (struct tgl_state *TLS, struct query *q, int error_code, int error_len, const char *error) {
tgl_set_query_error (TLS, EPROTO, "RPC_CALL_FAIL %d: %.*s", error_code, error_len, error);
if (q->callback) {
((void (*)(struct tgl_state *,void *, int, void *))(q->callback))(TLS, q->callback_extra, 0, NULL);
}
return 0;
}
static int q_list_on_error (struct tgl_state *TLS, struct query *q, int error_code, int error_len, const char *error) {
tgl_set_query_error (TLS, EPROTO, "RPC_CALL_FAIL %d: %.*s", error_code, error_len, error);
if (q->callback) {
((void (*)(struct tgl_state *,void *, int, int, void *))(q->callback))(TLS, q->callback_extra, 0, 0, NULL);
}
return 0;
}
/* }}} */
#include "queries-encrypted.c"
static void increase_ent (int *ent_size, int **ent, int s) {
*ent = trealloc (*ent, (*ent_size) * 4, (*ent_size) * 4 + 4 * s);
(*ent_size) +=s;
}
int utf8_len (const char *s, int len) {
int i;
int r = 0;
for (i = 0; i < len; i++) {
if ((s[i] & 0xc0) != 0x80) {
r ++;
}
}
return r;
}
static inline char ascii_char_norm (char c) {
return (c >= 0x41 && c <= 0x5A) ? c + 32 : c;
}
static int ascii_cmp_nocase (const char *what, const char *with, size_t num) {
size_t i;
for (i = 0; i < num; i ++) {
if (ascii_char_norm (what[i]) != ascii_char_norm (with[i])) {
return 1;
}
}
return 0;
}
static char *process_html_text (struct tgl_state *TLS, const char *text, int text_len, int *ent_size, int **ent) {
char *new_text = talloc (2 * text_len + 1);
int stpos[100];
int sttype[100];
int stp = 0;
int p;
int cur_p = 0;
*ent = talloc (8);
*ent_size = 2;
(*ent)[0] = CODE_vector;
(*ent)[1] = 0;
int total = 0;
for (p = 0; p < text_len; p++) {
assert (cur_p <= 2 * text_len);
if (text[p] == '<') {
if (stp == 99) {
tgl_set_query_error (TLS, EINVAL, "Too nested tags...");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
int old_p = *ent_size;
if (text_len - p >= 3 && !ascii_cmp_nocase (text + p, "<b>", 3)) {
increase_ent (ent_size, ent, 3);
total ++;
(*ent)[old_p] = CODE_message_entity_bold;
(*ent)[old_p + 1] = utf8_len (new_text, cur_p);
stpos[stp] = old_p + 2;
sttype[stp] = 0;
stp ++;
p += 2;
continue;
}
if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, "</b>", 4)) {
if (stp == 0 || sttype[stp - 1] != 0) {
tgl_set_query_error (TLS, EINVAL, "Invalid tag nest");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
(*ent)[stpos[stp - 1]] = utf8_len (new_text, cur_p) - (*ent)[stpos[stp - 1] - 1];
stp --;
p += 3;
continue;
}
if (text_len - p >= 3 && !ascii_cmp_nocase (text + p, "<i>", 3)) {
increase_ent (ent_size, ent, 3);
total ++;
(*ent)[old_p] = CODE_message_entity_italic;
(*ent)[old_p + 1] = utf8_len (new_text, cur_p);
stpos[stp] = old_p + 2;
sttype[stp] = 1;
stp ++;
p += 2;
continue;
}
if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, "</i>", 4)) {
if (stp == 0 || sttype[stp - 1] != 1) {
tgl_set_query_error (TLS, EINVAL, "Invalid tag nest");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
(*ent)[stpos[stp - 1]] = utf8_len (new_text, cur_p) - (*ent)[stpos[stp - 1] - 1];
stp --;
p += 3;
continue;
}
if (text_len - p >= 6 && !ascii_cmp_nocase (text + p, "<code>", 6)) {
increase_ent (ent_size, ent, 3);
total ++;
(*ent)[old_p] = CODE_message_entity_code;
(*ent)[old_p + 1] = utf8_len (new_text, cur_p);
stpos[stp] = old_p + 2;
sttype[stp] = 2;
stp ++;
p += 5;
continue;
}
if (text_len - p >= 7 && !ascii_cmp_nocase (text + p, "</code>", 7)) {
if (stp == 0 || sttype[stp - 1] != 2) {
tgl_set_query_error (TLS, EINVAL, "Invalid tag nest");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
(*ent)[stpos[stp - 1]] = utf8_len (new_text, cur_p) - (*ent)[stpos[stp - 1] - 1];
stp --;
p += 6;
continue;
}
if (text_len - p >= 9 && !ascii_cmp_nocase (text + p, "<a href=\"", 9)) {
int pp = p + 9;
while (pp < text_len && text[pp] != '"') {
pp ++;
}
if (pp == text_len || pp == text_len - 1) {
tgl_set_query_error (TLS, EINVAL, "<a> tag did not close");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
int len = pp - p - 9;
assert (len >= 0);
if (len >= 250) {
tgl_set_query_error (TLS, EINVAL, "too long link");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
increase_ent (ent_size, ent, 3 + (len + 1 + ((-len-1) & 3)) / 4);
total ++;
(*ent)[old_p] = CODE_message_entity_text_url;
(*ent)[old_p + 1] = utf8_len (new_text, cur_p);
stpos[stp] = old_p + 2;
sttype[stp] = 3;
stp ++;
unsigned char *r = (void *)((*ent) + old_p + 3);
r[0] = len;
memcpy (r + 1, text + p + 9, len);
memset (r + 1 + len, 0, (-len-1) & 3);
while (pp < text_len && text[pp] != '>') {
pp ++;
}
p = pp;
continue;
}
if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, "</a>", 4)) {
if (stp == 0 || sttype[stp - 1] != 3) {
tgl_set_query_error (TLS, EINVAL, "Invalid tag nest");
tfree (new_text, 2 * text_len + 1);
return NULL;
}
(*ent)[stpos[stp - 1]] = utf8_len (new_text, cur_p) - (*ent)[stpos[stp - 1] - 1];
stp --;
p += 3;
continue;
}
if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, "<br>", 4)) {
new_text[cur_p ++] = '\n';
p += 3;
continue;
}
tgl_set_query_error (TLS, EINVAL, "Unknown tag");
tfree (new_text, 2 * text_len + 1);
return NULL;
} else if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, ">", 4)) {
p += 3;
new_text[cur_p ++] = '>';
} else if (text_len - p >= 4 && !ascii_cmp_nocase (text + p, "<", 4)) {
p += 3;
new_text[cur_p ++] = '<';
} else if (text_len - p >= 5 && !ascii_cmp_nocase (text + p, "&", 5)) {
p += 4;
new_text[cur_p ++] = '&';
} else if (text_len - p >= 6 && !ascii_cmp_nocase (text + p, """, 6)) {
p += 5;
new_text[cur_p ++] = '"';
} else if (text_len - p >= 6 && !ascii_cmp_nocase (text + p, " ", 6)) {
p += 5;
new_text[cur_p ++] = 0xc2;
new_text[cur_p ++] = 0xa0;
} else if (text_len - p >= 3 && text[p] == '&' && text[p + 1] == '#') {
p += 2;
int num = 0;
int ok = 0;
while (p < text_len) {
if (text[p] >= '0' && text[p] <= '9') {
num = num * 10 + text[p] - '0';
if (num >= 127) {
tgl_set_query_error (TLS, EINVAL, "Too big number in &-sequence");
tfree (new_text, text_len + 1);
return NULL;
}
p ++;
} else if (text[p] == ';') {
new_text[cur_p ++] = num;
ok = 1;
break;
} else {
tgl_set_query_error (TLS, EINVAL, "Bad &-sequence");
tfree (new_text, text_len + 1);
return NULL;
}
}
if (ok) { continue; }
tgl_set_query_error (TLS, EINVAL, "Unterminated &-sequence");
tfree (new_text, text_len + 1);
return NULL;
} else {
new_text[cur_p ++] = text[p];
}
}
if (stp != 0) {
tgl_set_query_error (TLS, EINVAL, "Invalid tag nest");
tfree (new_text, text_len + 1);
return NULL;
}
(*ent)[1] = total;
char *n = talloc (cur_p + 1);
memcpy (n, new_text, cur_p);
n[cur_p] = 0;
tfree (new_text, 2 * text_len + 1);
return n;
}
/* {{{ Get config */
static void fetch_dc_option (struct tgl_state *TLS, struct tl_ds_dc_option *DS_DO) {
bl_do_dc_option (TLS, DS_LVAL (DS_DO->flags), DS_LVAL (DS_DO->id), NULL, 0, DS_STR (DS_DO->ip_address), DS_LVAL (DS_DO->port));
}
static int help_get_config_on_answer (struct tgl_state *TLS, struct query *q, void *DS) {
struct tl_ds_config *DS_C = DS;
int i;
for (i = 0; i < DS_LVAL (DS_C->dc_options->cnt); i++) {
fetch_dc_option (TLS, DS_C->dc_options->data[i]);
}
int max_chat_size = DS_LVAL (DS_C->chat_size_max);
int max_bcast_size = 0;//DS_LVAL (DS_C->broadcast_size_max);
vlogprintf (E_DEBUG, "chat_size = %d, bcast_size = %d\n", max_chat_size, max_bcast_size);
if (q->callback) {
((void (*)(struct tgl_state *,void *, int))(q->callback))(TLS, q->callback_extra, 1);
}
return 0;
}
static struct query_methods help_get_config_methods = {
.on_answer = help_get_config_on_answer,
.on_error = q_void_on_error,
.type = TYPE_TO_PARAM(config),
.name = "get config",
.timeout = 1
};
void tgl_do_help_get_config (struct tgl_state *TLS, void (*callback)(struct tgl_state *,void *, int), void *callback_extra) {
clear_packet ();
tgl_do_insert_header (TLS);
out_int (CODE_help_get_config);
tglq_send_query (TLS, TLS->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_state *TLS, struct tgl_dc *D, void (*callback)(struct tgl_state *, void *, int), void *callback_extra) {
clear_packet ();
tgl_do_insert_header (TLS);
out_int (CODE_help_get_config);
tglq_send_query_ex (TLS, 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 tgl_state *TLS, struct query *q, void *D) {
struct tl_ds_auth_sent_code *DS_ASC = D;
char *phone_code_hash = DS_STR_DUP (DS_ASC->phone_code_hash);
int registered = DS_BVAL (DS_ASC->phone_registered);;
if (q->callback) {
((void (*)(struct tgl_state *, void *, int, int, const char *))(q->callback)) (TLS, q->callback_extra, 1, registered, phone_code_hash);
}
tfree_str (phone_code_hash);
return 0;
}
static struct query_methods send_code_methods = {
.on_answer = send_code_on_answer,
.on_error = q_list_on_error,
.type = TYPE_TO_PARAM(auth_sent_code),
.name = "send code"
};
void tgl_do_send_code (struct tgl_state *TLS, const char *phone, int phone_len, void (*callback)(struct tgl_state *TLS, void *callback_extra, int success, int registered, const char *hash), void *callback_extra) {
vlogprintf (E_DEBUG, "sending code to dc %d\n", TLS->dc_working_num);
clear_packet ();
tgl_do_insert_header (TLS);
out_int (CODE_auth_send_code);
out_cstring (phone, phone_len);
out_int (0);
out_int (TLS->app_id);
out_string (TLS->app_hash);
out_string ("en");
tglq_send_query (TLS, TLS->DC_working, packet_ptr - packet_buffer, packet_buffer, &send_code_methods, NULL, callback, callback_extra);
}
static int phone_call_on_answer (struct tgl_state *TLS, struct query *q, void *D) {
if (q->callback) {
((void (*)(struct tgl_state *TLS, void *, int))(q->callback))(TLS, q->callback_extra, 1);
}
return 0;
}
static struct query_methods phone_call_methods = {
.on_answer = phone_call_on_answer,
.on_error = q_void_on_error,
.type = TYPE_TO_PARAM(bool),
.name = "phone call"
};
void tgl_do_phone_call (struct tgl_state *TLS, const char *phone, int phone_len, const char *hash, int hash_len, void (*callback)(struct tgl_state *TLS, void *callback_extra, int success), void *callback_extra) {
vlogprintf (E_DEBUG, "calling user\n");
clear_packet ();
tgl_do_insert_header (TLS);
out_int (CODE_auth_send_call);
out_cstring (phone, phone_len);
out_cstring (hash, hash_len);
tglq_send_query (TLS, TLS->DC_working, packet_ptr - packet_buffer, packet_buffer, &phone_call_methods, NULL, callback, callback_extra);
}
/* }}} */
/* {{{ Sign in / Sign up */
static int sign_in_on_answer (struct tgl_state *TLS, struct query *q, void *D) {
struct tl_ds_auth_authorization *DS_AA = D;
//vlogprintf (E_DEBUG, "Expires in %d\n", DS_LVAL (DS_AA->expires));
struct tgl_user *U = tglf_fetch_alloc_user (TLS, DS_AA->user);
bl_do_dc_signed (TLS, TLS->DC_working->id);
if (q->callback) {
((void (*)(struct tgl_state *TLS, void *, int, struct tgl_user *))q->callback) (TLS, q->callback_extra, 1, U);
}
return 0;
}
static int sign_in_on_error (struct tgl_state *TLS, struct query *q, int error_code, int error_len, const char *error) {
tgl_set_query_error (TLS, EPROTO, "RPC_CALL_FAIL %d: %.*s", error_code, error_len, error);
if (q->callback) {
((void (*)(struct tgl_state *, void *, int, struct tgl_user *))q->callback) (TLS, q->callback_extra, 0, NULL);
}
return 0;
}
static struct query_methods sign_in_methods = {
.on_answer = sign_in_on_answer,
.on_error = sign_in_on_error,
.type = TYPE_TO_PARAM(auth_authorization),
.name = "sign in"
};
int tgl_do_send_code_result (struct tgl_state *TLS, const char *phone, int phone_len, const char *hash, int hash_len, const char *code, int code_len, void (*callback)(struct tgl_state *TLS, void *callback_extra, int success, struct tgl_user *Self), void *callback_extra) {
clear_packet ();
out_int (CODE_auth_sign_in);
out_cstring (phone, phone_len);
out_cstring (hash, hash_len);
out_cstring (code, code_len);
tglq_send_query (TLS, TLS->DC_working, packet_ptr - packet_buffer, packet_buffer, &sign_in_methods, 0, callback, callback_extra);
return 0;
}
int tgl_do_send_code_result_auth (struct tgl_state *TLS, const char *phone, int phone_len, const char *hash, int hash_len, const char *code, int code_len, const char *first_name, int first_name_len, const char *last_name, int last_name_len, void (*callback)(struct tgl_state *TLS, void *callback_extra, int success, struct tgl_user *Self), void *callback_extra) {
clear_packet ();
out_int (CODE_auth_sign_up);
out_cstring (phone, phone_len);
out_cstring (hash, hash_len);
out_cstring (code, code_len);
out_cstring (first_name, first_name_len);
out_cstring (last_name, last_name_len);
tglq_send_query (TLS, TLS->DC_working, packet_ptr - packet_buffer, packet_buffer, &sign_in_methods, 0, callback, callback_extra);
return 0;
}
int tgl_do_send_bot_auth (struct tgl_state *TLS, const char *code, int code_len, void (*callback)(struct tgl_state *TLS, void *callback_extra, int success, struct tgl_user *Self), void *callback_extra) {
clear_packet ();
out_int (CODE_auth_import_bot_authorization);
out_int (0);
out_int (TLS->app_id);
out_string (TLS->app_hash);
out_cstring (code, code_len);
tglq_send_query (TLS, TLS->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 tgl_state *TLS, struct query *q, void *D) {
struct tl_ds_contacts_contacts *DS_CC = D;
int n = DS_CC->users ? DS_LVAL (DS_CC->users->cnt) : 0;
int i;