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Merge branch 'mannol1-master'

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irungentoo 2014-05-31 15:36:37 -04:00
commit 9684339ab9
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5 changed files with 115 additions and 160 deletions
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81
toxav/msi.c
View File

@ -27,6 +27,7 @@
#endif /* HAVE_CONFIG_H */
#include "../toxcore/logger.h"
#include "../toxcore/util.h"
#include "msi.h"
#include "event.h"
@ -37,8 +38,6 @@
#include <string.h>
#include <stdlib.h>
#define inline__ inline __attribute__((always_inline))
#define same(x, y) strcmp((const char*) x, (const char*) y) == 0
#define MSI_MAXMSG_SIZE 1024
@ -222,76 +221,80 @@ static inline__ const uint8_t *stringify_response ( MSIResponse response )
int parse_raw_data ( MSIMessage *msg, const uint8_t *data, uint16_t length )
{
#define ON_HEADER(iterator, header, descriptor, size_const) \
( memcmp(iterator, descriptor, size_const) == 0){ /* Okay */ \
iterator += size_const; /* Set iterator at begining of value part */ \
if ( *iterator != value_byte ) { assert(0); return -1; }\
iterator ++;\
uint16_t _value_size = (uint16_t) *(iterator ) << 8 | \
(uint16_t) *(iterator + 1); \
header.header_value = calloc(sizeof(uint8_t), _value_size); \
header.size = _value_size; \
memcpy(header.header_value, iterator + 2, _value_size);\
iterator = iterator + 2 + _value_size; /* set iterator at new header or end_byte */ }
#define ON_HEADER(iterator, size_con, header, descriptor, type_size_const) \
( memcmp(iterator, descriptor, type_size_const) == 0){ /* Okay */ \
iterator += type_size_const; /* Set iterator at begining of value part */ \
if ( *iterator != value_byte || size_con <= type_size_const) { return -1; } size_con -= type_size_const; \
iterator ++; if(size_con <= 3) {return -1;} size_con -= 3; \
uint16_t _value_size; memcpy(&_value_size, iterator, sizeof(_value_size)); _value_size = ntohs(_value_size);\
if(size_con < _value_size) { return -1; } size_con -= _value_size; \
header.header_value = calloc(sizeof(uint8_t), _value_size); \
header.size = _value_size; \
memcpy(header.header_value, iterator + 2, _value_size);\
iterator = iterator + 2 + _value_size; /* set iterator at new header or end_byte */ }
if ( msg == NULL ) {
LOGGER_ERROR("Could not parse message: no storage!");
return -1;
}
if ( data[length - 1] ) /* End byte must have value 0 */
return -1;
const uint8_t *_it = data;
uint16_t size_max = length;
while ( *_it ) {/* until end_byte is hit */
uint16_t itedlen = (_it - data) + 2;
if ( *_it == field_byte && itedlen < length ) {
uint16_t _size = ( uint16_t ) * ( _it + 1 ) << 8 |
( uint16_t ) * ( _it + 2 );
uint16_t _size;
memcpy(&_size, _it + 1, sizeof(_size));
_size = ntohs(_size);
if ( itedlen + _size > length ) return -1;
_it += 3; /* place it at the field value beginning */
size_max -= 3;
switch ( _size ) { /* Compare the size of the hardcoded values ( vary fast and convenient ) */
case 4: { /* INFO header */
if ON_HEADER ( _it, msg->info, INFO_FIELD, 4 )
if ON_HEADER ( _it, size_max, msg->info, INFO_FIELD, 4 )
}
break;
case 5: { /* NONCE header */
if ON_HEADER ( _it, msg->nonce, NONCE_FIELD, 5 )
if ON_HEADER ( _it, size_max, msg->nonce, NONCE_FIELD, 5 )
}
break;
case 6: { /* Reason header */
if ON_HEADER ( _it, msg->reason, REASON_FIELD, 6 )
if ON_HEADER ( _it, size_max, msg->reason, REASON_FIELD, 6 )
}
break;
case 7: { /* Version, Request, Call-id headers */
if ON_HEADER ( _it, msg->version, VERSION_FIELD, 7 )
else if ON_HEADER ( _it, msg->request, REQUEST_FIELD, 7 )
else if ON_HEADER ( _it, msg->callid, CALLID_FIELD, 7 )
}
if ON_HEADER ( _it, size_max, msg->version, VERSION_FIELD, 7 )
else if ON_HEADER ( _it, size_max, msg->request, REQUEST_FIELD, 7 )
else if ON_HEADER ( _it, size_max, msg->callid, CALLID_FIELD, 7 )
}
break;
case 8: { /* Response header */
if ON_HEADER ( _it, msg->response, RESPONSE_FIELD, 8 )
if ON_HEADER ( _it, size_max, msg->response, RESPONSE_FIELD, 8 )
}
break;
case 9: { /* Call-type header */
if ON_HEADER ( _it, msg->calltype, CALLTYPE_FIELD, 9 )
if ON_HEADER ( _it, size_max, msg->calltype, CALLTYPE_FIELD, 9 )
}
break;
case 10: { /* Crypto-key headers */
if ON_HEADER ( _it, msg->cryptokey, CRYPTOKEY_FIELD, 10 )
if ON_HEADER ( _it, size_max, msg->cryptokey, CRYPTOKEY_FIELD, 10 )
}
break;
@ -509,24 +512,22 @@ uint8_t *append_header_to_string (
_total += _i;
/* Now set the length of the field byte */
*_getback_byte = ( uint8_t ) _i >> 8;
_getback_byte++;
*_getback_byte = ( uint8_t ) _i;
uint16_t _convert;
_convert = htons(_i);
memcpy(_getback_byte, &_convert, sizeof(_convert));
/* for value part do it regulary */
*dest = value_byte;
dest++;
*dest = ( uint8_t ) value_len >> 8;
dest++;
*dest = ( uint8_t ) value_len;
dest++;
_convert = htons(value_len);
memcpy(dest, &_convert, sizeof(_convert));
dest+=2;
for ( _i = value_len; _i; --_i ) {
*dest = *_hvit;

87
toxav/rtp.c
View File

@ -26,6 +26,7 @@
#endif /* HAVE_CONFIG_H */
#include "../toxcore/logger.h"
#include "../toxcore/util.h"
#include "rtp.h"
#include <assert.h>
@ -37,9 +38,6 @@
#define size_32 4
#define inline__ inline __attribute__((always_inline))
#define ADD_FLAG_VERSION(_h, _v) do { ( _h->flags ) &= 0x3F; ( _h->flags ) |= ( ( ( _v ) << 6 ) & 0xC0 ); } while(0)
#define ADD_FLAG_PADDING(_h, _v) do { if ( _v > 0 ) _v = 1; ( _h->flags ) &= 0xDF; ( _h->flags ) |= ( ( ( _v ) << 5 ) & 0x20 ); } while(0)
#define ADD_FLAG_EXTENSION(_h, _v) do { if ( _v > 0 ) _v = 1; ( _h->flags ) &= 0xEF;( _h->flags ) |= ( ( ( _v ) << 4 ) & 0x10 ); } while(0)
@ -55,89 +53,6 @@
#define GET_SETTING_PAYLOAD(_h) ((_h->marker_payloadt) & 0x7f)
/**
* @brief Converts 4 bytes to uint32_t
*
* @param dest Where to convert
* @param bytes What bytes
* @return void
*/
inline__ void bytes_to_U32(uint32_t *dest, const uint8_t *bytes)
{
*dest =
#ifdef WORDS_BIGENDIAN
( ( uint32_t ) * bytes ) |
( ( uint32_t ) * ( bytes + 1 ) << 8 ) |
( ( uint32_t ) * ( bytes + 2 ) << 16 ) |
( ( uint32_t ) * ( bytes + 3 ) << 24 ) ;
#else
( ( uint32_t ) * bytes << 24 ) |
( ( uint32_t ) * ( bytes + 1 ) << 16 ) |
( ( uint32_t ) * ( bytes + 2 ) << 8 ) |
( ( uint32_t ) * ( bytes + 3 ) ) ;
#endif
}
/**
* @brief Converts 2 bytes to uint16_t
*
* @param dest Where to convert
* @param bytes What bytes
* @return void
*/
inline__ void bytes_to_U16(uint16_t *dest, const uint8_t *bytes)
{
*dest =
#ifdef WORDS_BIGENDIAN
( ( uint16_t ) * bytes ) |
( ( uint16_t ) * ( bytes + 1 ) << 8 );
#else
( ( uint16_t ) * bytes << 8 ) |
( ( uint16_t ) * ( bytes + 1 ) );
#endif
}
/**
* @brief Convert uint32_t to byte string of size 4
*
* @param dest Where to convert
* @param value The value
* @return void
*/
inline__ void U32_to_bytes(uint8_t *dest, uint32_t value)
{
#ifdef WORDS_BIGENDIAN
*(dest) = ( value );
*(dest + 1) = ( value >> 8 );
*(dest + 2) = ( value >> 16 );
*(dest + 3) = ( value >> 24 );
#else
*(dest) = ( value >> 24 );
*(dest + 1) = ( value >> 16 );
*(dest + 2) = ( value >> 8 );
*(dest + 3) = ( value );
#endif
}
/**
* @brief Convert uint16_t to byte string of size 2
*
* @param dest Where to convert
* @param value The value
* @return void
*/
inline__ void U16_to_bytes(uint8_t *dest, uint16_t value)
{
#ifdef WORDS_BIGENDIAN
*(dest) = ( value );
*(dest + 1) = ( value >> 8 );
#else
*(dest) = ( value >> 8 );
*(dest + 1) = ( value );
#endif
}
/**
* @brief Checks if message came in late.
*

34
toxcore/misc_tools.h
View File

@ -28,41 +28,7 @@
#include <stdint.h>
#include <string.h> /* for memcpy() */
/*********************Debugging Macros********************
* wiki.tox.im/index.php/Internal_functions_and_data_structures#Debugging
*********************************************************/
#ifdef DEBUG
#include <assert.h>
#include <stdio.h>
#include <string.h>
#define DEBUG_PRINT(str, ...) do { \
char msg[1000]; \
sprintf(msg, "%s(): line %d (file %s): %s%%c\n", __FUNCTION__, __LINE__, __FILE__, str); \
fprintf(stderr, msg, __VA_ARGS__); \
} while (0)
#define WARNING(...) do { \
fprintf(stderr, "warning in "); \
DEBUG_PRINT(__VA_ARGS__, ' '); \
} while (0)
#define INFO(...) do { \
DEBUG_PRINT(__VA_ARGS__, ' '); \
} while (0)
#undef ERROR
#define ERROR(exit_status, ...) do { \
fprintf(stderr, "error in "); \
DEBUG_PRINT(__VA_ARGS__, ' '); \
exit(exit_status); \
} while (0)
#else
#define WARNING(...)
#define INFO(...)
#undef ERROR
#define ERROR(...)
#endif // DEBUG
/************************Linked List***********************
* http://wiki.tox.im/index.php/Internal_functions_and_data_structures#Linked_List

58
toxcore/util.c
View File

@ -133,3 +133,61 @@ int load_state(load_state_callback_func load_state_callback, void *outer,
return length == 0 ? 0 : -1;
};
/* Converts 4 bytes to uint32_t */
inline__ void bytes_to_U32(uint32_t *dest, const uint8_t *bytes)
{
*dest =
#ifdef WORDS_BIGENDIAN
( ( uint32_t ) * bytes ) |
( ( uint32_t ) * ( bytes + 1 ) << 8 ) |
( ( uint32_t ) * ( bytes + 2 ) << 16 ) |
( ( uint32_t ) * ( bytes + 3 ) << 24 ) ;
#else
( ( uint32_t ) * bytes << 24 ) |
( ( uint32_t ) * ( bytes + 1 ) << 16 ) |
( ( uint32_t ) * ( bytes + 2 ) << 8 ) |
( ( uint32_t ) * ( bytes + 3 ) ) ;
#endif
}
/* Converts 2 bytes to uint16_t */
inline__ void bytes_to_U16(uint16_t *dest, const uint8_t *bytes)
{
*dest =
#ifdef WORDS_BIGENDIAN
( ( uint16_t ) * bytes ) |
( ( uint16_t ) * ( bytes + 1 ) << 8 );
#else
( ( uint16_t ) * bytes << 8 ) |
( ( uint16_t ) * ( bytes + 1 ) );
#endif
}
/* Convert uint32_t to byte string of size 4 */
inline__ void U32_to_bytes(uint8_t *dest, uint32_t value)
{
#ifdef WORDS_BIGENDIAN
*(dest) = ( value );
*(dest + 1) = ( value >> 8 );
*(dest + 2) = ( value >> 16 );
*(dest + 3) = ( value >> 24 );
#else
*(dest) = ( value >> 24 );
*(dest + 1) = ( value >> 16 );
*(dest + 2) = ( value >> 8 );
*(dest + 3) = ( value );
#endif
}
/* Convert uint16_t to byte string of size 2 */
inline__ void U16_to_bytes(uint8_t *dest, uint16_t value)
{
#ifdef WORDS_BIGENDIAN
*(dest) = ( value );
*(dest + 1) = ( value >> 8 );
#else
*(dest) = ( value >> 8 );
*(dest + 1) = ( value );
#endif
}

15
toxcore/util.h
View File

@ -28,6 +28,8 @@
#include <stdbool.h>
#include <stdint.h>
#define inline__ inline __attribute__((always_inline))
void unix_time_update();
uint64_t unix_time();
int is_timeout(uint64_t timestamp, uint64_t timeout);
@ -45,4 +47,17 @@ typedef int (*load_state_callback_func)(void *outer, uint8_t *data, uint32_t len
int load_state(load_state_callback_func load_state_callback, void *outer,
uint8_t *data, uint32_t length, uint16_t cookie_inner);
/* Converts 4 bytes to uint32_t */
void bytes_to_U32(uint32_t *dest, const uint8_t *bytes);
/* Converts 2 bytes to uint16_t */
void bytes_to_U16(uint16_t *dest, const uint8_t *bytes);
/* Convert uint32_t to byte string of size 4 */
void U32_to_bytes(uint8_t *dest, uint32_t value);
/* Convert uint16_t to byte string of size 2 */
void U16_to_bytes(uint8_t *dest, uint16_t value);
#endif /* __UTIL_H__ */