Robert Schmidt
8107939f08
- all RAN code, CI code, configuration files, dockerfiles, in CSSL v1.0
- all deployment code (openshift, charts, ancillary files like shell
scripts), in MIT
- documentation in CC-BY-4.0
- exceptions might apply and are listed in NOTICE
- there is a new LICENSES folder with all licenses
- CONTRIBUTIONS.md has been updated accordingly
For automated changes based on OAI PL v1.1:
perl -i~ -0pe 's/\/\*.*Licensed to the OpenAirInterface.*openairinterface.org\n#?/\/*\n * SPDX-License-Identifier: LicenseRef-CSSL-1.0\n/s' **/*.{c,h,cpp}
perl -i~ -0pe 's/\/\*.*Licensed to the OpenAirInterface.*openairinterface.org\n#?/\/*\n * SPDX-License-Identifier: LicenseRef-CSSL-1.0\n/s' **/*.ts
perl -i~ -0pe 's/<!--.*Licensed to the OpenAirInterface.*openairinterface.org\n.*-->/<!-- SPDX-License-Identifier: LicenseRef-CSSL-1.0 -->/s' **/*.xml
The rest (cmake, files with missing license, cmake) manually.
134 lines
6.4 KiB
C
134 lines
6.4 KiB
C
/*
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* SPDX-License-Identifier: LicenseRef-CSSL-1.0
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*/
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#ifndef TLV_DECODER_H_
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#define TLV_DECODER_H_
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#include <arpa/inet.h> // ntohl, ntohs
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#include "nas_log.h"
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#ifndef NAS_DEBUG
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//# define NAS_DEBUG 1
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#endif
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#define DECODE_U8(bUFFER, vALUE, sIZE) \
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vALUE = *(uint8_t*)(bUFFER); \
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sIZE += sizeof(uint8_t)
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#define DECODE_U16(bUFFER, vALUE, sIZE) \
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vALUE = ntohs(*(uint16_t*)(bUFFER)); \
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sIZE += sizeof(uint16_t)
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#define DECODE_U24(bUFFER, vALUE, sIZE) \
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vALUE = ntohl(*(uint32_t*)(bUFFER)) >> 8; \
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sIZE += sizeof(uint8_t) + sizeof(uint16_t)
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#define DECODE_U32(bUFFER, vALUE, sIZE) \
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{ \
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uint32_t v; \
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memcpy(&v, bUFFER, sizeof(v)); \
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vALUE = ntohl(v); \
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} \
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sIZE += sizeof(uint32_t)
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#if (BYTE_ORDER == LITTLE_ENDIAN)
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# define DECODE_LENGTH_U16(bUFFER, vALUE, sIZE) \
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vALUE = ((*(bUFFER)) << 8) | (*((bUFFER) + 1)); \
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sIZE += sizeof(uint16_t)
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#else
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# define DECODE_LENGTH_U16(bUFFER, vALUE, sIZE) \
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vALUE = (*(bUFFER)) | (*((bUFFER) + 1) << 8); \
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sIZE += sizeof(uint16_t)
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#endif
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#define IES_DECODE_U8(bUFFER, dECODED, vALUE) \
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DECODE_U8(bUFFER + dECODED, vALUE, dECODED)
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#define IES_DECODE_U16(bUFFER, dECODED, vALUE) \
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do { \
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uint16_t val; \
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memcpy(&val, bUFFER + dECODED, sizeof(val)); \
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DECODE_U16(&val, vALUE, dECODED); \
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} while (0)
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#define IES_DECODE_U24(bUFFER, dECODED, vALUE) \
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DECODE_U24(bUFFER + dECODED, vALUE, dECODED)
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#define IES_DECODE_U32(bUFFER, dECODED, vALUE) \
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DECODE_U32(bUFFER + dECODED, vALUE, dECODED)
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typedef enum {
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TLV_DECODE_ERROR_OK = 0,
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TLV_DECODE_UNEXPECTED_IEI = -1,
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TLV_DECODE_MANDATORY_FIELD_NOT_PRESENT = -2,
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TLV_DECODE_VALUE_DOESNT_MATCH = -3,
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/* Fatal errors - received message should not be processed */
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TLV_DECODE_WRONG_MESSAGE_TYPE = -10,
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TLV_DECODE_PROTOCOL_NOT_SUPPORTED = -11,
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TLV_DECODE_BUFFER_TOO_SHORT = -12,
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TLV_DECODE_BUFFER_NULL = -13,
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TLV_DECODE_MAC_MISMATCH = -14,
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} tlv_decoder_error_code;
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/* Defines error code limit below which received message should be discarded
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* because it cannot be further processed */
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#define TLV_DECODE_FATAL_ERROR (TLV_DECODE_VALUE_DOESNT_MATCH)
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extern int errorCodeDecoder;
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#ifdef ENABLE_TESTS
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#define TLV_DEC_ERROR(...) fprintf(stderr, "TLV Decoder: " __VA_ARGS__)
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#else
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#define TLV_DEC_ERROR(...) // Do nothing
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#endif
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#define CHECK_PDU_POINTER_AND_LENGTH_DECODER(bUFFER, mINIMUMlENGTH, lENGTH) \
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do { \
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if ((bUFFER) == NULL) { \
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TLV_DEC_ERROR("(%s:%d) Got NULL pointer for the payload\n", __FILE__, __LINE__); \
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return TLV_DECODE_BUFFER_NULL; \
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} \
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if ((lENGTH) < (mINIMUMlENGTH)) { \
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TLV_DEC_ERROR("(%s:%d) Expecting at least %d bytes, got %u\n", __FILE__, __LINE__, (mINIMUMlENGTH), (lENGTH)); \
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return TLV_DECODE_BUFFER_TOO_SHORT; \
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} \
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} while (0)
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#define CHECK_LENGTH_DECODER(bUFFERlENGTH, lENGTH) \
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do { \
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if ((bUFFERlENGTH) < (lENGTH)) { \
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TLV_DEC_ERROR("(%s:%d) Buffer is too short, length (%u) is less than the required length (%u)\n", \
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__FILE__, \
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__LINE__, \
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(bUFFERlENGTH), \
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(lENGTH)); \
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return TLV_DECODE_BUFFER_TOO_SHORT; \
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} \
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} while (0)
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#define CHECK_MESSAGE_TYPE(mESSAGE_TYPE, BUFFER) \
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do { \
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if ((MESSAGE_TYPE) != (BUFFER)) { \
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TLV_DEC_ERROR("(%s:%d) Wrong message type: Got: %u, Expected: %u\n", __FILE__, __LINE__, (BUFFER), (MESSAGE_TYPE)); \
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return TLV_DECODE_WRONG_MESSAGE_TYPE; \
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} \
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} while (0)
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#define CHECK_IEI_DECODER(iEI, bUFFER) \
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do { \
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if ((iEI) != (bUFFER)) { \
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TLV_DEC_ERROR( \
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"IEI check failure: %s:%d: IEI is different than the one expected: " \
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"(Got: 0x%x, expecting: 0x%x)\n", \
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__FILE__, \
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__LINE__, \
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(bUFFER), \
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(iEI)); \
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return TLV_DECODE_UNEXPECTED_IEI; \
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} \
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} while (0)
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#endif /* define (TLV_DECODER_H_) */
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