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# credssp.cnf
# Credential Security Support Provider (CredSSP) conformance file
#.PDU
TSRequest
#.FN_PARS TSRequest/version VAL_PTR = &credssp_ver
#.FN_BODY TSRequest/authInfo VAL_PTR = &auth_tvb
tvbuff_t *auth_tvb = NULL;
tvbuff_t *decr_tvb = NULL;
gssapi_encrypt_info_t gssapi_encrypt;
%(DEFAULT_BODY)s
memset(&gssapi_encrypt, 0, sizeof(gssapi_encrypt));
gssapi_encrypt.decrypt_gssapi_tvb=DECRYPT_GSSAPI_NORMAL;
call_dissector_with_data(gssapi_wrap_handle, auth_tvb, actx->pinfo, tree, &gssapi_encrypt);
decr_tvb = gssapi_encrypt.gssapi_decrypted_tvb;
if(decr_tvb != NULL)
dissect_credssp_TSCredentials(false, decr_tvb, 0, actx, tree, hf_credssp_TSCredentials);
#.FN_BODY TSRequest/pubKeyAuth VAL_PTR = &auth_tvb
tvbuff_t *auth_tvb = NULL;
tvbuff_t *decr_tvb = NULL;
gssapi_encrypt_info_t gssapi_encrypt;
%(DEFAULT_BODY)s
memset(&gssapi_encrypt, 0, sizeof(gssapi_encrypt));
gssapi_encrypt.decrypt_gssapi_tvb=DECRYPT_GSSAPI_NORMAL;
call_dissector_with_data(gssapi_wrap_handle, auth_tvb, actx->pinfo, tree, &gssapi_encrypt);
decr_tvb = gssapi_encrypt.gssapi_decrypted_tvb;
if(decr_tvb != NULL)
proto_tree_add_item(tree, hf_credssp_decr_PublicKeyAuth, decr_tvb, 0, -1, ENC_NA);
#.FN_BODY TSRequest/errorCode
if (credssp_ver < 3) {
return 0;
}
%(DEFAULT_BODY)s
#.FN_BODY TSRequest/clientNonce
if (credssp_ver < 5) {
return 0;
}
%(DEFAULT_BODY)s
#.FN_PARS TSCredentials/credType VAL_PTR = &creds_type
#.FN_PARS TSCredentials/credentials VAL_PTR = &creds_tvb
#.FN_BODY TSCredentials/credentials
tvbuff_t *creds_tvb = NULL;
%(DEFAULT_BODY)s
switch(creds_type) {
case TS_PASSWORD_CREDS:
dissect_credssp_TSPasswordCreds(false, creds_tvb, 0, actx, tree, hf_credssp_TSPasswordCreds);
break;
case TS_SMARTCARD_CREDS:
dissect_credssp_TSSmartCardCreds(false, creds_tvb, 0, actx, tree, hf_credssp_TSSmartCardCreds);
break;
case TS_REMOTEGUARD_CREDS:
dissect_credssp_TSRemoteGuardCreds(false, creds_tvb, 0, actx, tree, hf_credssp_TSRemoteGuardCreds);
break;
}
#.FN_PARS NegoData/_item/negoToken VAL_PTR = &token_tvb
#.FN_BODY NegoData/_item/negoToken
tvbuff_t *token_tvb = NULL;
%(DEFAULT_BODY)s
if(token_tvb != NULL)
call_dissector(gssapi_handle, token_tvb, actx->pinfo, tree);
#.TYPE_ATTR
TSRemoteGuardPackageCred/packageName TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
#.FN_BODY TSRemoteGuardPackageCred/packageName VAL_PTR = &pname
tvbuff_t *pname = NULL;
offset = dissect_ber_octet_string(implicit_tag, actx, NULL, tvb, offset, hf_index, &pname);
if(pname != NULL) {
int nlen = tvb_captured_length(pname);
if (nlen == sizeof(kerberos_pname) && memcmp(tvb_get_ptr(pname, 0, nlen), kerberos_pname, nlen) == 0) {
credssp_TS_RGC_package = TS_RGC_KERBEROS;
} else if (nlen == sizeof(ntlm_pname) && memcmp(tvb_get_ptr(pname, 0, nlen), ntlm_pname, nlen) == 0) {
credssp_TS_RGC_package = TS_RGC_NTLM;
}
proto_tree_add_item(tree, hf_index, pname, 0, -1, ENC_UTF_16|ENC_LITTLE_ENDIAN);
}
#.FN_BODY TSRemoteGuardPackageCred/credBuffer VAL_PTR = &creds
tvbuff_t *creds= NULL;
proto_tree *subtree;
%(DEFAULT_BODY)s
if (!creds)
return offset;
switch(credssp_TS_RGC_package) {
case TS_RGC_KERBEROS:
subtree = proto_item_add_subtree(actx->created_item, ett_credssp_RGC_CredBuffer);
dissect_kerberos_KERB_TICKET_LOGON(creds, 0, actx, subtree);
break;
case TS_RGC_NTLM:
subtree = proto_item_add_subtree(actx->created_item, ett_credssp_RGC_CredBuffer);
dissect_ntlmssp_NTLM_REMOTE_SUPPLEMENTAL_CREDENTIAL(creds, 0, subtree);
break;
}
#.END
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