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Necessary fixes for pfs

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Vysheng 2014-09-29 20:10:54 +04:00
parent 0346b6036f
commit 75b0f3d223
1 changed files with 22 additions and 1 deletions
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23
mtproto-client.c
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@ -284,6 +284,13 @@ static int process_respq_answer (struct connection *c, char *packet, int len, in
unsigned long long what;
unsigned p1, p2;
int i;
long long packet_auth_key_id = *(long long *)packet;
if (packet_auth_key_id) {
assert (temp_key);
vlogprintf (E_WARNING, "received packet during creation of temp auth key. Probably answer on old query. Drop\n");
return 0;
}
vlogprintf (E_DEBUG, "process_respq_answer(), len=%d, op=0x%08x\n", len, *(int *)(packet + 20));
assert (len >= 76);
assert (!*(long long *) packet);
@ -552,6 +559,12 @@ static int process_dh_answer (struct connection *c, char *packet, int len, int t
//if (len < 116) {
// vlogprintf (E_ERROR, "%u * %u = %llu", p1, p2, what);
//}
long long packet_auth_key_id = *(long long *)packet;
if (packet_auth_key_id) {
assert (temp_key);
vlogprintf (E_WARNING, "received packet during creation of temp auth key. Probably answer on old query. Drop\n");
return 0;
}
assert (len >= 116);
assert (!*(long long *) packet);
assert (*(int *) (packet + 16) == len - 20);
@ -660,6 +673,13 @@ static void mpc_on_get_config (void *extra, int success);
static int process_auth_complete (struct connection *c UU, char *packet, int len, int temp_key) {
struct tgl_dc *D = tgl_state.net_methods->get_dc (c);
vlogprintf (E_DEBUG - 1, "process_dh_answer(), len=%d\n", len);
long long packet_auth_key_id = *(long long *)packet;
if (packet_auth_key_id) {
assert (temp_key);
vlogprintf (E_WARNING, "received packet during creation of temp auth key. Probably answer on old query. Drop\n");
return 0;
}
assert (len == 72);
assert (!*(long long *) packet);
assert (*(int *) (packet + 16) == len - 20);
@ -1058,8 +1078,9 @@ static int process_rpc_message (struct connection *c UU, struct encrypted_messag
assert (len >= MINSZ && (len & 15) == (UNENCSZ & 15));
struct tgl_dc *DC = tgl_state.net_methods->get_dc (c);
if (enc->auth_key_id != DC->temp_auth_key_id && enc->auth_key_id != DC->auth_key_id) {
vlogprintf (E_ERROR, "received msg from dc %d with auth_key_id %lld (perm_auth_key_id %lld temp_auth_key_id %lld)\n",
vlogprintf (E_WARNING, "received msg from dc %d with auth_key_id %lld (perm_auth_key_id %lld temp_auth_key_id %lld). Dropping\n",
DC->id, enc->auth_key_id, DC->auth_key_id, DC->temp_auth_key_id);
return 0;
}
if (enc->auth_key_id == DC->temp_auth_key_id) {
assert (enc->auth_key_id == DC->temp_auth_key_id);