--- sourceforge.net/trunk/rdesktop/licence.c 2002/10/06 13:57:39 214 +++ sourceforge.net/trunk/rdesktop/licence.c 2003/04/16 13:04:15 367 @@ -19,7 +19,12 @@ */ #include "rdesktop.h" + +#ifdef WITH_OPENSSL +#include +#else #include "crypto/rc4.h" +#endif extern char username[16]; extern char hostname[16]; @@ -54,7 +59,6 @@ strncpy((char *) (hwid + 4), hostname, LICENCE_HWID_SIZE - 4); } -#ifdef SAVE_LICENCE /* Present an existing licence to the server */ static void licence_present(uint8 * client_random, uint8 * rsa_data, @@ -68,7 +72,8 @@ s = sec_init(sec_flags, length + 4); - out_uint16_le(s, LICENCE_TAG_PRESENT); + out_uint8(s, LICENCE_TAG_PRESENT); + out_uint8(s, 2); /* version */ out_uint16_le(s, length); out_uint32_le(s, 1); @@ -94,7 +99,6 @@ s_mark_end(s); sec_send(s, sec_flags); } -#endif /* Send a licence request packet */ static void @@ -108,7 +112,8 @@ s = sec_init(sec_flags, length + 2); - out_uint16_le(s, LICENCE_TAG_REQUEST); + out_uint8(s, LICENCE_TAG_REQUEST); + out_uint8(s, 2); /* version */ out_uint16_le(s, length); out_uint32_le(s, 1); @@ -121,12 +126,12 @@ out_uint8p(s, rsa_data, SEC_MODULUS_SIZE); out_uint8s(s, SEC_PADDING_SIZE); - out_uint16(s, LICENCE_TAG_USER); - out_uint16(s, userlen); + out_uint16_le(s, LICENCE_TAG_USER); + out_uint16_le(s, userlen); out_uint8p(s, user, userlen); - out_uint16(s, LICENCE_TAG_HOST); - out_uint16(s, hostlen); + out_uint16_le(s, LICENCE_TAG_HOST); + out_uint16_le(s, hostlen); out_uint8p(s, host, hostlen); s_mark_end(s); @@ -139,13 +144,11 @@ { uint8 null_data[SEC_MODULUS_SIZE]; uint8 *server_random; -#ifdef SAVE_LICENCE uint8 signature[LICENCE_SIGNATURE_SIZE]; uint8 hwid[LICENCE_HWID_SIZE]; uint8 *licence_data; int licence_size; RC4_KEY crypt_key; -#endif /* Retrieve the server random from the incoming packet */ in_uint8p(s, server_random, SEC_RANDOM_SIZE); @@ -155,9 +158,8 @@ memset(null_data, 0, sizeof(null_data)); licence_generate_keys(null_data, server_random, null_data); -#ifdef SAVE_LICENCE licence_size = load_licence(&licence_data); - if (licence_size != -1) + if (licence_size > 0) { /* Generate a signature for the HWID buffer */ licence_generate_hwid(hwid); @@ -171,7 +173,6 @@ xfree(licence_data); return; } -#endif licence_send_request(null_data, null_data, username, hostname); } @@ -186,7 +187,8 @@ s = sec_init(sec_flags, length + 2); - out_uint16_le(s, LICENCE_TAG_AUTHRESP); + out_uint8(s, LICENCE_TAG_AUTHRESP); + out_uint8(s, 2); /* version */ out_uint16_le(s, length); out_uint16_le(s, 1); @@ -263,6 +265,7 @@ RC4_KEY crypt_key; uint32 length; uint16 check; + int i; in_uint8s(s, 2); /* 3d 45 - unknown */ in_uint16_le(s, length); @@ -278,19 +281,30 @@ licence_issued = True; -#ifdef SAVE_LICENCE - save_licence(s->p, length - 2); -#endif + in_uint8s(s, 2); /* pad */ + + /* advance to fourth string */ + length = 0; + for (i = 0; i < 4; i++) + { + in_uint8s(s, length); + in_uint32_le(s, length); + if (!s_check_rem(s, length)) + return; + } + + licence_issued = True; + save_licence(s->p, length); } /* Process a licence packet */ void licence_process(STREAM s) { - uint16 tag; + uint8 tag; - in_uint16_le(s, tag); - in_uint8s(s, 2); /* length */ + in_uint8(s, tag); + in_uint8s(s, 3); /* version, length */ switch (tag) { @@ -307,8 +321,6 @@ break; case LICENCE_TAG_REISSUE: - break; - case LICENCE_TAG_RESULT: break;