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Clear socks auth fields before free

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This commit is contained in:
Nick Mathewson 2011-08-05 19:07:33 -04:00
parent e511a3a4dd
commit 413574ad38
3 changed files with 24 additions and 6 deletions
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6
src/or/buffers.c
View file

@ -1532,8 +1532,14 @@ socks_request_free(socks_request_t *req)
{
if (!req)
return;
if (req->username) {
memset(req->username, 0x10, req->usernamelen);
tor_free(req->username);
}
if (req->password) {
memset(req->password, 0x04, req->passwordlen);
tor_free(req->password);
}
memset(req, 0xCC, sizeof(socks_request_t));
tor_free(req);
}

6
src/or/circuitlist.c
View file

@ -552,8 +552,14 @@ circuit_free(circuit_t *circ)
rend_data_free(ocirc->rend_data);
tor_free(ocirc->dest_address);
if (ocirc->socks_username) {
memset(ocirc->socks_username, 0x12, ocirc->socks_username_len);
tor_free(ocirc->socks_username);
}
if (ocirc->socks_password) {
memset(ocirc->socks_password, 0x06, ocirc->socks_password_len);
tor_free(ocirc->socks_password);
}
} else {
or_circuit_t *ocirc = TO_OR_CIRCUIT(circ);
/* Remember cell statistics for this circuit before deallocating. */

6
src/or/connection_edge.c
View file

@ -3569,8 +3569,14 @@ circuit_clear_isolation(origin_circuit_t *circ)
tor_free(circ->dest_address);
circ->session_group = -1;
circ->nym_epoch = 0;
if (circ->socks_username) {
memset(circ->socks_username, 0x11, circ->socks_username_len);
tor_free(circ->socks_username);
}
if (circ->socks_password) {
memset(circ->socks_password, 0x05, circ->socks_password_len);
tor_free(circ->socks_password);
}
circ->socks_username_len = circ->socks_password_len = 0;
}