Make 0x01==SAFECOOKIE a macro, not a magic number

This commit is contained in:
Nick Mathewson 2013-08-01 13:21:52 -04:00
parent 4e868a9bc3
commit ba78a3c800

View File

@ -103,6 +103,9 @@ connection_ext_or_transition(or_connection_t *conn)
#define EXT_OR_PORT_AUTH_CLIENT_TO_SERVER_CONST \
"ExtORPort authentication client-to-server hash"
/* Code to indicate cookie authentication */
#define EXT_OR_AUTHTYPE_SAFECOOKIE 0x01
/** If true, we've set ext_or_auth_cookie to a secret code and stored
* it to disk. */
STATIC int ext_or_auth_cookie_is_set = 0;
@ -190,8 +193,10 @@ connection_ext_or_auth_neg_auth_type(connection_t *conn)
return -1;
log_debug(LD_GENERAL, "Client wants us to use %d auth type", authtype[0]);
if (authtype[0] != 1) /* '1' is the only auth type supported atm */
if (authtype[0] != EXT_OR_AUTHTYPE_SAFECOOKIE) {
/* '1' is the only auth type supported atm */
return -1;
}
conn->state = EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_NONCE;
return 1;
@ -638,12 +643,17 @@ int
connection_ext_or_start_auth(or_connection_t *or_conn)
{
connection_t *conn = TO_CONN(or_conn);
char authtypes[2] = "\x01\x00"; /* We only support authtype '1' for now. */
const uint8_t authtypes[] = {
/* We only support authtype '1' for now. */
EXT_OR_AUTHTYPE_SAFECOOKIE,
/* Marks the end of the list. */
0
};
log_debug(LD_GENERAL,
"ExtORPort authentication: Sending supported authentication types");
connection_write_to_buf(authtypes, sizeof(authtypes), conn);
connection_write_to_buf((const char *)authtypes, sizeof(authtypes), conn);
conn->state = EXT_OR_CONN_STATE_AUTH_WAIT_AUTH_TYPE;
return 0;