diff options
Diffstat (limited to 'source/auth/ntlmssp/ntlmssp_sign.c')
-rw-r--r-- | source/auth/ntlmssp/ntlmssp_sign.c | 94 |
1 files changed, 48 insertions, 46 deletions
diff --git a/source/auth/ntlmssp/ntlmssp_sign.c b/source/auth/ntlmssp/ntlmssp_sign.c index a47a0f334aa..29204b34600 100644 --- a/source/auth/ntlmssp/ntlmssp_sign.c +++ b/source/auth/ntlmssp/ntlmssp_sign.c @@ -78,16 +78,16 @@ static NTSTATUS ntlmssp_make_packet_signature(struct ntlmssp_state *ntlmssp_stat switch (direction) { case NTLMSSP_SEND: - SIVAL(seq_num, 0, ntlmssp_state->ntlm2_send_seq_num); - ntlmssp_state->ntlm2_send_seq_num++; - hmac_md5_init_limK_to_64(ntlmssp_state->send_sign_key.data, - ntlmssp_state->send_sign_key.length, &ctx); + SIVAL(seq_num, 0, ntlmssp_state->ntlm2.send_seq_num); + ntlmssp_state->ntlm2.send_seq_num++; + hmac_md5_init_limK_to_64(ntlmssp_state->ntlm2.send_sign_key.data, + ntlmssp_state->ntlm2.send_sign_key.length, &ctx); break; case NTLMSSP_RECEIVE: - SIVAL(seq_num, 0, ntlmssp_state->ntlm2_recv_seq_num); - ntlmssp_state->ntlm2_recv_seq_num++; - hmac_md5_init_limK_to_64(ntlmssp_state->recv_sign_key.data, - ntlmssp_state->recv_sign_key.length, &ctx); + SIVAL(seq_num, 0, ntlmssp_state->ntlm2.recv_seq_num); + ntlmssp_state->ntlm2.recv_seq_num++; + hmac_md5_init_limK_to_64(ntlmssp_state->ntlm2.recv_sign_key.data, + ntlmssp_state->ntlm2.recv_sign_key.length, &ctx); break; } hmac_md5_update(seq_num, sizeof(seq_num), &ctx); @@ -97,10 +97,10 @@ static NTSTATUS ntlmssp_make_packet_signature(struct ntlmssp_state *ntlmssp_stat if (encrypt_sig && ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) { switch (direction) { case NTLMSSP_SEND: - arcfour_crypt_sbox(ntlmssp_state->send_seal_hash, digest, 8); + arcfour_crypt_sbox(ntlmssp_state->ntlm2.send_seal_arcfour_state, digest, 8); break; case NTLMSSP_RECEIVE: - arcfour_crypt_sbox(ntlmssp_state->recv_seal_hash, digest, 8); + arcfour_crypt_sbox(ntlmssp_state->ntlm2.recv_seal_arcfour_state, digest, 8); break; } } @@ -112,12 +112,12 @@ static NTSTATUS ntlmssp_make_packet_signature(struct ntlmssp_state *ntlmssp_stat } else { uint32_t crc; crc = crc32_calc_buffer(data, length); - if (!msrpc_gen(sig_mem_ctx, sig, "dddd", NTLMSSP_SIGN_VERSION, 0, crc, ntlmssp_state->ntlm_seq_num)) { + if (!msrpc_gen(sig_mem_ctx, sig, "dddd", NTLMSSP_SIGN_VERSION, 0, crc, ntlmssp_state->ntlm.seq_num)) { return NT_STATUS_NO_MEMORY; } - ntlmssp_state->ntlm_seq_num++; + ntlmssp_state->ntlm.seq_num++; - arcfour_crypt_sbox(ntlmssp_state->ntlmssp_hash, sig->data+4, sig->length-4); + arcfour_crypt_sbox(ntlmssp_state->ntlm.arcfour_state, sig->data+4, sig->length-4); } dump_data_pw("calculated ntlmssp signature\n", sig->data, sig->length); return NT_STATUS_OK; @@ -252,14 +252,14 @@ NTSTATUS gensec_ntlmssp_seal_packet(struct gensec_security *gensec_security, data, length, whole_pdu, pdu_length, NTLMSSP_SEND, sig, False); - arcfour_crypt_sbox(ntlmssp_state->send_seal_hash, data, length); + arcfour_crypt_sbox(ntlmssp_state->ntlm2.send_seal_arcfour_state, data, length); if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) { - arcfour_crypt_sbox(ntlmssp_state->send_seal_hash, sig->data+4, 8); + arcfour_crypt_sbox(ntlmssp_state->ntlm2.send_seal_arcfour_state, sig->data+4, 8); } } else { uint32_t crc; crc = crc32_calc_buffer(data, length); - if (!msrpc_gen(sig_mem_ctx, sig, "dddd", NTLMSSP_SIGN_VERSION, 0, crc, ntlmssp_state->ntlm_seq_num)) { + if (!msrpc_gen(sig_mem_ctx, sig, "dddd", NTLMSSP_SIGN_VERSION, 0, crc, ntlmssp_state->ntlm.seq_num)) { return NT_STATUS_NO_MEMORY; } @@ -269,10 +269,10 @@ NTSTATUS gensec_ntlmssp_seal_packet(struct gensec_security *gensec_security, constant, but is is rather updated with each iteration */ - arcfour_crypt_sbox(ntlmssp_state->ntlmssp_hash, data, length); - arcfour_crypt_sbox(ntlmssp_state->ntlmssp_hash, sig->data+4, sig->length-4); + arcfour_crypt_sbox(ntlmssp_state->ntlm.arcfour_state, data, length); + arcfour_crypt_sbox(ntlmssp_state->ntlm.arcfour_state, sig->data+4, sig->length-4); /* increment counter on send */ - ntlmssp_state->ntlm_seq_num++; + ntlmssp_state->ntlm.seq_num++; nt_status = NT_STATUS_OK; } dump_data_pw("ntlmssp signature\n", sig->data, sig->length); @@ -307,7 +307,7 @@ NTSTATUS gensec_ntlmssp_unseal_packet(struct gensec_security *gensec_security, dump_data_pw("ntlmssp sealed data\n", data, length); if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) { - arcfour_crypt_sbox(ntlmssp_state->recv_seal_hash, data, length); + arcfour_crypt_sbox(ntlmssp_state->ntlm2.recv_seal_arcfour_state, data, length); nt_status = ntlmssp_make_packet_signature(ntlmssp_state, sig_mem_ctx, data, length, @@ -333,7 +333,7 @@ NTSTATUS gensec_ntlmssp_unseal_packet(struct gensec_security *gensec_security, dump_data_pw("ntlmssp clear data\n", data, length); return NT_STATUS_OK; } else { - arcfour_crypt_sbox(ntlmssp_state->ntlmssp_hash, data, length); + arcfour_crypt_sbox(ntlmssp_state->ntlm.arcfour_state, data, length); dump_data_pw("ntlmssp clear data\n", data, length); return gensec_ntlmssp_check_packet(gensec_security, sig_mem_ctx, data, length, whole_pdu, pdu_length, sig); } @@ -383,10 +383,10 @@ NTSTATUS ntlmssp_sign_init(struct ntlmssp_state *ntlmssp_state) return NT_STATUS_INTERNAL_ERROR; } - ntlmssp_state->send_seal_hash = talloc(ntlmssp_state, struct arcfour_state); - NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->send_seal_hash); - ntlmssp_state->recv_seal_hash = talloc(ntlmssp_state, struct arcfour_state); - NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->recv_seal_hash); + ntlmssp_state->ntlm2.send_seal_arcfour_state = talloc(ntlmssp_state, struct arcfour_state); + NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->ntlm2.send_seal_arcfour_state); + ntlmssp_state->ntlm2.recv_seal_arcfour_state = talloc(ntlmssp_state, struct arcfour_state); + NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->ntlm2.send_seal_arcfour_state); /** Weaken NTLMSSP keys to cope with down-level clients, servers and export restrictions. @@ -408,11 +408,11 @@ NTSTATUS ntlmssp_sign_init(struct ntlmssp_state *ntlmssp_state) /* SEND */ calc_ntlmv2_key(ntlmssp_state, - &ntlmssp_state->send_sign_key, + &ntlmssp_state->ntlm2.send_sign_key, ntlmssp_state->session_key, send_sign_const); dump_data_pw("NTLMSSP send sign key:\n", - ntlmssp_state->send_sign_key.data, - ntlmssp_state->send_sign_key.length); + ntlmssp_state->ntlm2.send_sign_key.data, + ntlmssp_state->ntlm2.send_sign_key.length); calc_ntlmv2_key(ntlmssp_state, &send_seal_key, @@ -421,20 +421,20 @@ NTSTATUS ntlmssp_sign_init(struct ntlmssp_state *ntlmssp_state) send_seal_key.data, send_seal_key.length); - arcfour_init(ntlmssp_state->send_seal_hash, + arcfour_init(ntlmssp_state->ntlm2.send_seal_arcfour_state, &send_seal_key); dump_data_pw("NTLMSSP send sesl hash:\n", - ntlmssp_state->send_seal_hash->sbox, - sizeof(ntlmssp_state->send_seal_hash->sbox)); + ntlmssp_state->ntlm2.send_seal_arcfour_state->sbox, + sizeof(ntlmssp_state->ntlm2.send_seal_arcfour_state->sbox)); /* RECV */ calc_ntlmv2_key(ntlmssp_state, - &ntlmssp_state->recv_sign_key, + &ntlmssp_state->ntlm2.recv_sign_key, ntlmssp_state->session_key, recv_sign_const); dump_data_pw("NTLMSSP recv sign key:\n", - ntlmssp_state->recv_sign_key.data, - ntlmssp_state->recv_sign_key.length); + ntlmssp_state->ntlm2.recv_sign_key.data, + ntlmssp_state->ntlm2.recv_sign_key.length); calc_ntlmv2_key(ntlmssp_state, &recv_seal_key, @@ -442,27 +442,29 @@ NTSTATUS ntlmssp_sign_init(struct ntlmssp_state *ntlmssp_state) dump_data_pw("NTLMSSP recv seal key:\n", recv_seal_key.data, recv_seal_key.length); - arcfour_init(ntlmssp_state->recv_seal_hash, + arcfour_init(ntlmssp_state->ntlm2.recv_seal_arcfour_state, &recv_seal_key); dump_data_pw("NTLMSSP receive seal hash:\n", - ntlmssp_state->recv_seal_hash->sbox, - sizeof(ntlmssp_state->recv_seal_hash->sbox)); + ntlmssp_state->ntlm2.recv_seal_arcfour_state->sbox, + sizeof(ntlmssp_state->ntlm2.recv_seal_arcfour_state->sbox)); + + ntlmssp_state->ntlm2.send_seq_num = 0; + ntlmssp_state->ntlm2.recv_seq_num = 0; + } else { DEBUG(5, ("NTLMSSP Sign/Seal - using NTLM1\n")); - ntlmssp_state->ntlmssp_hash = talloc(ntlmssp_state, struct arcfour_state); - NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->ntlmssp_hash); + ntlmssp_state->ntlm.arcfour_state = talloc(ntlmssp_state, struct arcfour_state); + NT_STATUS_HAVE_NO_MEMORY(ntlmssp_state->ntlm.arcfour_state); - arcfour_init(ntlmssp_state->ntlmssp_hash, + arcfour_init(ntlmssp_state->ntlm.arcfour_state, &ntlmssp_state->session_key); - dump_data_pw("NTLMSSP hash:\n", ntlmssp_state->ntlmssp_hash->sbox, - sizeof(ntlmssp_state->ntlmssp_hash->sbox)); - } + dump_data_pw("NTLMSSP hash:\n", ntlmssp_state->ntlm.arcfour_state->sbox, + sizeof(ntlmssp_state->ntlm.arcfour_state->sbox)); - ntlmssp_state->ntlm_seq_num = 0; - ntlmssp_state->ntlm2_send_seq_num = 0; - ntlmssp_state->ntlm2_recv_seq_num = 0; + ntlmssp_state->ntlm.seq_num = 0; + } return NT_STATUS_OK; } |