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added IETF standard error handling method

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This commit is contained in:
Andreas Steffen
2011-12-11 09:41:40 +01:00
parent 54f53f9081
commit 6f04ccff5e
8 changed files with 111 additions and 184 deletions
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src/libimcv/plugins/imc_scanner/imc_scanner.c
+3 -39
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@@ -270,9 +270,8 @@ static TNC_Result receive_message(TNC_IMCID imc_id,
pa_tnc_msg_t *pa_tnc_msg;
pa_tnc_attr_t *attr;
imc_state_t *state;
enumerator_t *enumerator;
TNC_Result result;
bool fatal_error = FALSE;
bool fatal_error;
if (!imc_scanner)
{
@@ -296,43 +295,8 @@ static TNC_Result receive_message(TNC_IMCID imc_id,
return result;
}
/* analyze PA-TNC attributes */
enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
while (enumerator->enumerate(enumerator, &attr))
{
ietf_attr_pa_tnc_error_t *error_attr;
pa_tnc_error_code_t error_code;
chunk_t msg_info, attr_info;
u_int32_t offset;
if (attr->get_vendor_id(attr) != PEN_IETF &&
attr->get_type(attr) != IETF_ATTR_PA_TNC_ERROR)
{
continue;
}
error_attr = (ietf_attr_pa_tnc_error_t*)attr;
error_code = error_attr->get_error_code(error_attr);
msg_info = error_attr->get_msg_info(error_attr);
DBG1(DBG_IMC, "received PA-TNC error '%N' concerning message %#B",
pa_tnc_error_code_names, error_code, &msg_info);
switch (error_code)
{
case PA_ERROR_INVALID_PARAMETER:
offset = error_attr->get_offset(error_attr);
DBG1(DBG_IMC, " occurred at offset of %u bytes", offset);
break;
case PA_ERROR_ATTR_TYPE_NOT_SUPPORTED:
attr_info = error_attr->get_attr_info(error_attr);
DBG1(DBG_IMC, " unsupported attribute %#B", &attr_info);
break;
default:
break;
}
fatal_error = TRUE;
}
enumerator->destroy(enumerator);
/* preprocess any IETF standard error attributes */
fatal_error = pa_tnc_msg->process_ietf_std_errors(pa_tnc_msg);
pa_tnc_msg->destroy(pa_tnc_msg);
/* if no error occurred then always return the same response */