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#ifndef _GSM_04_80_H
#define _GSM_04_80_H
/* GSM TS 04.80 definitions (Supplementary Services Specification, Formats and Coding) */
/* Section 3.4 */
#define GSM0480_MTYPE_RELEASE_COMPLETE 0x2A
#define GSM0480_MTYPE_FACILITY 0x3A
#define GSM0480_MTYPE_REGISTER 0x3B
/* Section 3.5 */
#define GSM0480_IE_FACILITY 0x1C
#define GSM0480_IE_SS_VERSION 0x7F
/* Section 3.6.2 */
#define GSM0480_CTYPE_INVOKE 0xA1
#define GSM0480_CTYPE_RETURN_RESULT 0xA2
#define GSM0480_CTYPE_RETURN_ERROR 0xA3
#define GSM0480_CTYPE_REJECT 0xA4
/* Section 3.6.3 */
#define GSM0480_COMPIDTAG_INVOKE_ID 0x02
#define GSM0480_COMPIDTAG_LINKED_ID 0x80
/* Section 3.6.4 */
#define GSM0480_OPERATION_CODE 0x02
/* Section 3.6.5 */
#define GSM_0480_SEQUENCE_TAG 0x30
#define GSM_0480_SET_TAG 0x31
/* Section 3.6.6 */
#define GSM_0480_ERROR_CODE_TAG 0x02
/* Section 3.6.7 */
/* Table 3.13 */
#define GSM_0480_PROBLEM_CODE_TAG_GENERAL 0x80
#define GSM_0480_PROBLEM_CODE_TAG_INVOKE 0x81
#define GSM_0480_PROBLEM_CODE_TAG_RETURN_RESULT 0x82
#define GSM_0480_PROBLEM_CODE_TAG_RETURN_ERROR 0x83
/* Table 3.14 */
#define GSM_0480_GEN_PROB_CODE_UNRECOGNISED 0x00
#define GSM_0480_GEN_PROB_CODE_MISTYPED 0x01
#define GSM_0480_GEN_PROB_CODE_BAD_STRUCTURE 0x02
/* Table 3.15 */
#define GSM_0480_INVOKE_PROB_CODE_DUPLICATE_INVOKE_ID 0x00
#define GSM_0480_INVOKE_PROB_CODE_UNRECOGNISED_OPERATION 0x01
#define GSM_0480_INVOKE_PROB_CODE_MISTYPED_PARAMETER 0x02
#define GSM_0480_INVOKE_PROB_CODE_RESOURCE_LIMITATION 0x03
#define GSM_0480_INVOKE_PROB_CODE_INITIATING_RELEASE 0x04
#define GSM_0480_INVOKE_PROB_CODE_UNRECOGNISED_LINKED_ID 0x05
#define GSM_0480_INVOKE_PROB_CODE_UNEXPECTED_LINKED_RESPONSE 0x06
#define GSM_0480_INVOKE_PROB_CODE_UNEXPECTED_LINKED_OPERATION 0x07
/* Table 3.16 */
#define GSM_0480_RESULT_PROB_CODE_UNRECOGNISED_INVOKE_ID 0x00
#define GSM_0480_RESULT_PROB_CODE_RETURN_RESULT_UNEXPECTED 0x01
#define GSM_0480_RESULT_PROB_CODE_MISTYPED_PARAMETER 0x02
/* Table 3.17 */
#define GSM_0480_ERROR_PROB_CODE_UNRECOGNISED_INVOKE_ID 0x00
#define GSM_0480_ERROR_PROB_CODE_RETURN_ERROR_UNEXPECTED 0x01
#define GSM_0480_ERROR_PROB_CODE_UNRECOGNISED_ERROR 0x02
#define GSM_0480_ERROR_PROB_CODE_UNEXPECTED_ERROR 0x03
#define GSM_0480_ERROR_PROB_CODE_MISTYPED_PARAMETER 0x04
/* Section 4.5 */
#define GSM0480_OP_CODE_REGISTER_SS 0x0A
#define GSM0480_OP_CODE_ERASE_SS 0x0B
#define GSM0480_OP_CODE_ACTIVATE_SS 0x0C
#define GSM0480_OP_CODE_DEACTIVATE_SS 0x0D
#define GSM0480_OP_CODE_INTERROGATE_SS 0x0E
#define GSM0480_OP_CODE_NOTIFY_SS 0x10
#define GSM0480_OP_CODE_REGISTER_PASSWORD 0x11
#define GSM0480_OP_CODE_GET_PASSWORD 0x12
#define GSM0480_OP_CODE_PROCESS_USS_DATA 0x13
#define GSM0480_OP_CODE_FORWARD_CHECK_SS_IND 0x26
#define GSM0480_OP_CODE_PROCESS_USS_REQ 0x3B
#define GSM0480_OP_CODE_USS_REQUEST 0x3C
#define GSM0480_OP_CODE_USS_NOTIFY 0x3D
#define GSM0480_OP_CODE_FORWARD_CUG_INFO 0x78
#define GSM0480_OP_CODE_SPLIT_MPTY 0x79
#define GSM0480_OP_CODE_RETRIEVE_MPTY 0x7A
#define GSM0480_OP_CODE_HOLD_MPTY 0x7B
#define GSM0480_OP_CODE_BUILD_MPTY 0x7C
#define GSM0480_OP_CODE_FORWARD_CHARGE_ADVICE 0x7D
#define GSM0480_ERR_CODE_UNKNOWN_SUBSCRIBER 0x01
#define GSM0480_ERR_CODE_ILLEGAL_SUBSCRIBER 0x09
#define GSM0480_ERR_CODE_BEARER_SERVICE_NOT_PROVISIONED 0x0A
#define GSM0480_ERR_CODE_TELESERVICE_NOT_PROVISIONED 0x0B
#define GSM0480_ERR_CODE_ILLEGAL_EQUIPMENT 0x0C
#define GSM0480_ERR_CODE_CALL_BARRED 0x0D
#define GSM0480_ERR_CODE_ILLEGAL_SS_OPERATION 0x10
#define GSM0480_ERR_CODE_SS_ERROR_STATUS 0x11
#define GSM0480_ERR_CODE_SS_NOT_AVAILABLE 0x12
#define GSM0480_ERR_CODE_SS_SUBSCRIPTION_VIOLATION 0x13
#define GSM0480_ERR_CODE_SS_INCOMPATIBILITY 0x14
#define GSM0480_ERR_CODE_FACILITY_NOT_SUPPORTED 0x15
#define GSM0480_ERR_CODE_ABSENT_SUBSCRIBER 0x1B
#define GSM0480_ERR_CODE_SYSTEM_FAILURE 0x22
#define GSM0480_ERR_CODE_DATA_MISSING 0x23
#define GSM0480_ERR_CODE_UNEXPECTED_DATA_VALUE 0x24
#define GSM0480_ERR_CODE_PW_REGISTRATION_FAILURE 0x25
#define GSM0480_ERR_CODE_NEGATIVE_PW_CHECK 0x26
#define GSM0480_ERR_CODE_NUM_PW_ATTEMPTS_VIOLATION 0x2B
#define GSM0480_ERR_CODE_UNKNOWN_ALPHABET 0x47
#define GSM0480_ERR_CODE_USSD_BUSY 0x48
#define GSM0480_ERR_CODE_MAX_MPTY_PARTICIPANTS 0x7E
#define GSM0480_ERR_CODE_RESOURCES_NOT_AVAILABLE 0x7F
/* ASN.1 type-tags */
#define ASN1_BOOLEAN_TAG 0x01
#define ASN1_INTEGER_TAG 0x02
#define ASN1_BIT_STRING_TAG 0x03
#define ASN1_OCTET_STRING_TAG 0x04
#define ASN1_NULL_TYPE_TAG 0x05
#define ASN1_OBJECT_ID_TAG 0x06
#define ASN1_UTF8_STRING_TAG 0x0C
#define ASN1_PRINTABLE_STRING_TAG 0x13
#define ASN1_IA5_STRING_TAG 0x16
#define ASN1_UNICODE_STRING_TAG 0x1E
#include <openbsc/msgb.h>
#define MAX_LEN_USSD_STRING 31
struct ussd_request {
char text[MAX_LEN_USSD_STRING + 1];
u_int8_t transaction_id;
u_int8_t invoke_id;
};
int gsm0480_decode_ussd_request(const struct msgb *msg,
struct ussd_request *request);
int gsm0480_send_ussd_response(const struct msgb *in_msg, const char* response_text,
const struct ussd_request *req);
int gsm0480_send_ussd_reject(const struct msgb *msg,
const struct ussd_request *request);
#endif
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