void read_secret_chat_file (void) {
if (binlog_enabled) { return; }
int fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
if (fd < 0) {
return;
}
int x[2];
if (read (fd, x, 8) < 8) {
close (fd); return;
}
if (x[0] != (int)SECRET_CHAT_FILE_MAGIC) { close (fd); return; }
int version = x[1];
assert (version >= 0);
int cc;
assert (read (fd, &cc, 4) == 4);
int i;
for (i = 0; i < cc; i++) {
peer_t *P = talloc0 (sizeof (*P));
struct secret_chat *E = &P->encr_chat;
int t;
assert (read (fd, &t, 4) == 4);
P->id = MK_ENCR_CHAT (t);
assert (read (fd, &P->flags, 4) == 4);
assert (read (fd, &t, 4) == 4);
assert (t > 0);
P->print_name = talloc (t + 1);
assert (read (fd, P->print_name, t) == t);
P->print_name[t] = 0;
peer_insert_name (P);
assert (read (fd, &E->state, 4) == 4);
assert (read (fd, &E->user_id, 4) == 4);
assert (read (fd, &E->admin_id, 4) == 4);
assert (read (fd, &E->ttl, 4) == 4);
assert (read (fd, &E->access_hash, 8) == 8);
if (E->state != sc_waiting) {
E->g_key = talloc (256);
assert (read (fd, E->g_key, 256) == 256);
E->nonce = talloc (256);
assert (read (fd, E->nonce, 256) == 256);
}
assert (read (fd, E->key, 256) == 256);
assert (read (fd, &E->key_fingerprint, 8) == 8);
insert_encrypted_chat (P);
}
if (version >= 1) {
assert (read (fd, &encr_root, 4) == 4);
if (encr_root) {
assert (read (fd, &encr_param_version, 4) == 4);
encr_prime = talloc (256);
assert (read (fd, encr_prime, 256) == 256);
}
}
close (fd);
}
void write_secret_chat_file (void) {
if (binlog_enabled) { return; }
int fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
if (fd < 0) {
return;
}
int x[2];
x[0] = SECRET_CHAT_FILE_MAGIC;
x[1] = 1;
assert (write (fd, x, 8) == 8);
int i;
int cc = 0;
for (i = 0; i < peer_num; i++) if (get_peer_type (Peers[i]->id) == PEER_ENCR_CHAT) {
if (Peers[i]->encr_chat.state != sc_none && Peers[i]->encr_chat.state != sc_deleted) {
cc ++;
}
}
assert (write (fd, &cc, 4) == 4);
for (i = 0; i < peer_num; i++) if (get_peer_type (Peers[i]->id) == PEER_ENCR_CHAT) {
if (Peers[i]->encr_chat.state != sc_none && Peers[i]->encr_chat.state != sc_deleted) {
int t = get_peer_id (Peers[i]->id);
assert (write (fd, &t, 4) == 4);
t = Peers[i]->flags;
assert (write (fd, &t, 4) == 4);
t = strlen (Peers[i]->print_name);
assert (write (fd, &t, 4) == 4);
assert (write (fd, Peers[i]->print_name, t) == t);
assert (write (fd, &Peers[i]->encr_chat.state, 4) == 4);
assert (write (fd, &Peers[i]->encr_chat.user_id, 4) == 4);
assert (write (fd, &Peers[i]->encr_chat.admin_id, 4) == 4);
assert (write (fd, &Peers[i]->encr_chat.ttl, 4) == 4);
assert (write (fd, &Peers[i]->encr_chat.access_hash, 8) == 8);
if (Peers[i]->encr_chat.state != sc_waiting) {
assert (write (fd, Peers[i]->encr_chat.g_key, 256) == 256);
}
if (Peers[i]->encr_chat.state != sc_waiting) {
assert (write (fd, Peers[i]->encr_chat.nonce, 256) == 256);
}
assert (write (fd, Peers[i]->encr_chat.key, 256) == 256);
assert (write (fd, &Peers[i]->encr_chat.key_fingerprint, 8) == 8);
}
}
assert (write (fd, &encr_root, 4) == 4);
if (encr_root) {
assert (write (fd, &encr_param_version, 4) == 4);
assert (write (fd, encr_prime, 256) == 256);
}
close (fd);
}
void read_secret_chat_file (void) {
if (binlog_enabled) { return; }
int secret_chat_fd = open (get_secret_chat_filename (), O_RDWR, 0600);
if (secret_chat_fd < 0) { return; }
//assert (secret_chat_fd >= 0);
int x;
if (read (secret_chat_fd, &x, 4) < 4) { close (secret_chat_fd); return; }
if (x != SECRET_CHAT_FILE_MAGIC) { close (secret_chat_fd); return; }
int v = 0;
assert (read (secret_chat_fd, &v, 4) == 4);
assert (v == 0 || v == 1 || v == 2); // version
assert (read (secret_chat_fd, &x, 4) == 4);
assert (x >= 0);
while (x --> 0) {
read_secret_chat (secret_chat_fd, v);
}
close (secret_chat_fd);
}
void write_secret_chat_file (void) {
if (binlog_enabled) { return; }
int secret_chat_fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
assert (secret_chat_fd >= 0);
int x = SECRET_CHAT_FILE_MAGIC;
assert (write (secret_chat_fd, &x, 4) == 4);
x = 2;
assert (write (secret_chat_fd, &x, 4) == 4); // version
assert (write (secret_chat_fd, &x, 4) == 4); // num
int y[2];
y[0] = secret_chat_fd;
y[1] = 0;
tgl_peer_iterator_ex (TLS, write_secret_chat, y);
lseek (secret_chat_fd, 8, SEEK_SET);
assert (write (secret_chat_fd, &y[1], 4) == 4);
close (secret_chat_fd);
}