- nonce payload added

- tested
This commit is contained in:
Martin Willi 2005-11-15 15:26:27 +00:00
parent 2dcb14b0ae
commit e23b3bae41
7 changed files with 130 additions and 12 deletions

View File

@ -304,7 +304,7 @@ static status_t parse_uint15(private_parser_t *this, int rule_number, u_int16_t
/* caller interested in result ? */
if (output_pos != NULL)
{
*output_pos = ntohs(*((u_int16_t*)this->byte_pos)) & 0xEFFF;
*output_pos = ntohs(*((u_int16_t*)this->byte_pos)) & ~0x8000;
this->logger->log(this->logger, RAW, " => %d", *output_pos);
}
this->byte_pos += 2;
@ -507,8 +507,6 @@ static status_t parse_chunk(private_parser_t *this, int rule_number, chunk_t *ou
return OUT_OF_RES;
}
memcpy(output_pos->ptr, this->byte_pos, length);
this->logger->log_bytes(this->logger, RAW, " =>", output_pos->ptr, length);
}
this->byte_pos += length;
@ -712,16 +710,12 @@ static status_t parse_payload(private_parser_t *this, payload_type_t payload_typ
}
case ATTRIBUTE_LENGTH_OR_VALUE:
{
this->logger->log_bytes(this->logger, RAW, "ATTRIBUTE_LENGTH_OR_VALUE", this->byte_pos, 2);
if (this->parse_uint16(this, rule_number, output + rule->offset) != SUCCESS)
{
pld->destroy(pld);
return PARSE_ERROR;
}
attribute_length = *(u_int16_t*)(output + rule->offset);
this->logger->log_bytes(this->logger, RAW, "ATTRIBUTE_LENGTH_OR_VALUE", output + rule->offset, 2);
break;
}
case ATTRIBUTE_VALUE:
@ -736,6 +730,16 @@ static status_t parse_payload(private_parser_t *this, payload_type_t payload_typ
}
break;
}
case NONCE_DATA:
{
size_t nonce_length = payload_length - 4;
if (this->parse_chunk(this, rule_number, output + rule->offset, nonce_length) != SUCCESS)
{
pld->destroy(pld);
return PARSE_ERROR;
}
break;
}
default:
{
this->logger->log(this->logger, ERROR, " no rule to parse rule %d %s (%d)", rule_number, mapping_find(encoding_type_t_mappings, rule->type), rule->type);

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@ -47,6 +47,7 @@ mapping_t encoding_type_t_mappings[] = {
{ATTRIBUTE_TYPE, "ATTRIBUTE_TYPE"},
{ATTRIBUTE_LENGTH_OR_VALUE, "ATTRIBUTE_LENGTH_OR_VALUE"},
{ATTRIBUTE_VALUE, "ATTRIBUTE_VALUE"},
{NONCE_DATA, "NONCE_DATA"},
{MAPPING_END, NULL}
};

View File

@ -296,7 +296,17 @@ enum encoding_type_e{
*
* When parsing SPI_SIZE bytes are read and written into the chunk pointing to.
*/
ATTRIBUTE_VALUE
ATTRIBUTE_VALUE,
/**
* Representating a Nonce Data field
*
* When generating the content of the chunkt pointing to
* is written.
*
* When parsing (Payload Length - 4) bytes are read and written into the chunk pointing to.
*/
NONCE_DATA
};
/**

View File

@ -97,7 +97,7 @@ encoding_rule_t nonce_payload_encodings[] = {
/* Length of the whole nonce payload*/
{ PAYLOAD_LENGTH, offsetof(private_nonce_payload_t, payload_length) },
/* some nonce bytes, lenth is defined in PAYLOAD_LENGTH */
{ NONCE, offsetof(private_nonce_payload_t, nonce) }
{ NONCE_DATA, offsetof(private_nonce_payload_t, nonce) }
};
/**

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@ -26,6 +26,7 @@
#include "ike_header.h"
#include "sa_payload.h"
#include "nonce_payload.h"
@ -76,6 +77,8 @@ payload_t *payload_create(payload_type_t type)
return (payload_t*)transform_substructure_create();
case TRANSFORM_ATTRIBUTE:
return (payload_t*)transform_attribute_create();
case NONCE:
return (payload_t*)nonce_payload_create();
default:
return NULL;
}

View File

@ -30,6 +30,7 @@
#include "../payloads/encodings.h"
#include "../payloads/ike_header.h"
#include "../payloads/sa_payload.h"
#include "../payloads/nonce_payload.h"
extern logger_manager_t *global_logger_manager;
@ -93,6 +94,7 @@ void test_parser_with_sa_payload(tester_t *tester)
sa_payload_t *sa_payload;
status_t status;
chunk_t sa_chunk;
linked_list_iterator_t *proposals, *transforms, *attributes;
u_int8_t sa_bytes[] = {
0x00,0x80,0x00,0x24, /* payload header*/
@ -100,9 +102,9 @@ void test_parser_with_sa_payload(tester_t *tester)
0x01,0x02,0x04,0x05,
0x01,0x02,0x03,0x04, /* spi */
0x00,0x00,0x00,0x14, /* transform */
0x02,0x00,0x00,0x03,
0x07,0x00,0x00,0x03,
0x80,0x01,0x00,0x05, /* attribute without length */
0x00,0x01,0x00,0x04, /* attribute with lenngth */
0x00,0x03,0x00,0x04, /* attribute with lenngth */
0x01,0x02,0x03,0x04
@ -123,6 +125,104 @@ void test_parser_with_sa_payload(tester_t *tester)
return;
}
sa_payload->create_proposal_substructure_iterator(sa_payload, &proposals, TRUE);
while (proposals->has_next(proposals))
{
proposal_substructure_t *proposal;
proposals->current(proposals, (void**)&proposal);
chunk_t spi;
u_int8_t spi_should[] = {0x01, 0x02, 0x03, 0x04};
tester->assert_true(tester,(proposal->get_proposal_number(proposal) == 1),"proposal number");
tester->assert_true(tester,(proposal->get_protocol_id(proposal) == 2),"proposal id");
spi = proposal->get_spi(proposal);
tester->assert_false(tester,(memcmp(&spi_should, spi.ptr, spi.len)),"proposal spi");
proposal->create_transform_substructure_iterator(proposal, &transforms, TRUE);
while(transforms->has_next(transforms))
{
transform_substructure_t *transform;
int loopi;
transforms->current(transforms, (void**)&transform);
tester->assert_true(tester,(transform->get_transform_type(transform) == 7),"transform type");
tester->assert_true(tester,(transform->get_transform_id(transform) == 3),"transform id");
transform->create_transform_attribute_iterator(transform, &attributes, TRUE);
loopi = 0;
while (attributes->has_next(attributes))
{
transform_attribute_t *attribute;
attributes->current(attributes, (void**)&attribute);
if (loopi == 0)
{
u_int8_t value[] = {0x05, 0x00};
chunk_t attribute_value;
tester->assert_true(tester,(attribute->get_attribute_type(attribute) == 1),"attribute 1 type");
attribute_value = attribute->get_value(attribute);
tester->assert_false(tester,(memcmp(&value, attribute_value.ptr, attribute_value.len)),"attribute 1 value");
}
if (loopi == 1)
{
u_int8_t value[] = {0x01, 0x02, 0x03, 0x04};
chunk_t attribute_value;
tester->assert_true(tester,(attribute->get_attribute_type(attribute) == 3),"attribute 2 type");
attribute_value = attribute->get_value(attribute);
tester->assert_false(tester,(memcmp(&value, attribute_value.ptr, attribute_value.len)),"attribute 2 value");
}
loopi++;
}
attributes->destroy(attributes);
}
transforms->destroy(transforms);
}
proposals->destroy(proposals);
sa_payload->destroy(sa_payload);
}
/*
* Described in Header
*/
void test_parser_with_nonce_payload(tester_t *tester)
{
parser_t *parser;
nonce_payload_t *nonce_payload;
status_t status;
chunk_t nonce_chunk, result;
u_int8_t nonce_bytes[] = {
0x00,0x00,0x00,0x14, /* payload header */
0x00,0x01,0x02,0x03, /* 16 Byte nonce */
0x04,0x05,0x06,0x07,
0x08,0x09,0x0A,0x2B,
0x0C,0x0D,0x0E,0x0F
};
nonce_chunk.ptr = nonce_bytes;
nonce_chunk.len = sizeof(nonce_bytes);
parser = parser_create(nonce_chunk);
tester->assert_true(tester,(parser != NULL), "parser create check");
status = parser->parse_payload(parser, NONCE, (payload_t**)&nonce_payload);
tester->assert_true(tester,(status == SUCCESS),"parse_payload call check");
tester->assert_true(tester,(parser->destroy(parser) == SUCCESS), "parser destroy call check");
if (status != SUCCESS)
{
return;
}
nonce_payload->get_nonce(nonce_payload, &result);
tester->assert_true(tester,(result.len == 16), "parsed nonce lenght");
tester->assert_false(tester,(memcmp(nonce_bytes + 4, result.ptr, result.len)), "parsed nonce data");
nonce_payload->destroy(nonce_payload);
}

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@ -29,6 +29,6 @@ void test_parser_with_header_payload(tester_t *tester);
void test_parser_with_sa_payload(tester_t *tester);
void test_parser_with_nonce_payload(tester_t *tester);
#endif /*PARSER_TEST_H_*/