capmt: add the preliminary AES support
This commit is contained in:
Jaroslav Kysela
parent
6c8908cb87
commit
d1c62eead3
1 changed files with 51 additions and 20 deletions
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@ -72,22 +72,24 @@ typedef struct dmx_filter {
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uint8_t mode[DMX_FILTER_SIZE];
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} dmx_filter_t;
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#define CA_SET_DESCR 0x40106f86
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#define CA_SET_DESCR_X 0x866f1040
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#define CA_SET_PID 0x40086f87
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#define CA_SET_PID_X 0x876f0840
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#define DMX_STOP 0x00006f2a
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#define DMX_STOP_X 0x2a6f0000
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#define DMX_SET_FILTER 0x403c6f2b
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#define DMX_SET_FILTER_X 0x2b6f3c40
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#define CA_SET_DESCR 0x40106f86
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#define CA_SET_DESCR_X 0x866f1040
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#define CA_SET_DESCR_AES 0x40106f87
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#define CA_SET_DESCR_AES_X 0x876f1040
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#define CA_SET_PID 0x40086f87
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#define CA_SET_PID_X 0x876f0840
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#define DMX_STOP 0x00006f2a
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#define DMX_STOP_X 0x2a6f0000
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#define DMX_SET_FILTER 0x403c6f2b
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#define DMX_SET_FILTER_X 0x2b6f3c40
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// ca_pmt_list_management values:
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#define CAPMT_LIST_MORE 0x00 // append a 'MORE' CAPMT object the list and start receiving the next object
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#define CAPMT_LIST_FIRST 0x01 // clear the list when a 'FIRST' CAPMT object is received, and start receiving the next object
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#define CAPMT_LIST_LAST 0x02 // append a 'LAST' CAPMT object to the list and start working with the list
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#define CAPMT_LIST_ONLY 0x03 // clear the list when an 'ONLY' CAPMT object is received, and start working with the object
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#define CAPMT_LIST_ADD 0x04 // append an 'ADD' CAPMT object to the current list and start working with the updated list
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#define CAPMT_LIST_UPDATE 0x05 // replace an entry in the list with an 'UPDATE' CAPMT object, and start working with the updated list
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#define CAPMT_LIST_MORE 0x00 // append a 'MORE' CAPMT object the list and start receiving the next object
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#define CAPMT_LIST_FIRST 0x01 // clear the list when a 'FIRST' CAPMT object is received, and start receiving the next object
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#define CAPMT_LIST_LAST 0x02 // append a 'LAST' CAPMT object to the list and start working with the list
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#define CAPMT_LIST_ONLY 0x03 // clear the list when an 'ONLY' CAPMT object is received, and start working with the object
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#define CAPMT_LIST_ADD 0x04 // append an 'ADD' CAPMT object to the current list and start working with the updated list
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#define CAPMT_LIST_UPDATE 0x05 // replace an entry in the list with an 'UPDATE' CAPMT object, and start working with the updated list
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// ca_pmt_cmd_id values:
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#define CAPMT_CMD_OK_DESCRAMBLING 0x01 // start descrambling the service in this CAPMT object as soon as the list of CAPMT objects is complete
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@ -947,7 +949,7 @@ capmt_ecm_reset(th_descrambler_t *th)
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static void
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capmt_process_key(capmt_t *capmt, uint8_t adapter, uint16_t seq,
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const uint8_t *even, const uint8_t *odd,
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int type, const uint8_t *even, const uint8_t *odd,
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int ok)
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{
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mpegts_service_t *t;
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@ -972,7 +974,7 @@ capmt_process_key(capmt_t *capmt, uint8_t adapter, uint16_t seq,
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if (adapter != ct->ct_adapter)
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continue;
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descrambler_keys((th_descrambler_t *)ct, DESCRAMBLER_DES, even, odd);
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descrambler_keys((th_descrambler_t *)ct, type, even, odd);
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}
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pthread_mutex_unlock(&capmt->capmt_mutex);
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}
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@ -989,6 +991,7 @@ capmt_msg_size(capmt_t *capmt, sbuf_t *sb, int offset)
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if (!sb->sb_bswap && !sb->sb_err) {
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if (cmd == CA_SET_PID_X ||
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cmd == CA_SET_DESCR_X ||
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cmd == CA_SET_DESCR_AES_X ||
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cmd == DMX_SET_FILTER_X ||
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cmd == DMX_STOP_X) {
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sb->sb_bswap = 1;
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@ -1000,6 +1003,8 @@ capmt_msg_size(capmt_t *capmt, sbuf_t *sb, int offset)
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return 4 + 8;
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else if (cmd == CA_SET_DESCR)
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return 4 + 16;
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else if (cmd == CA_SET_DESCR_AES)
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return 4 + 32;
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else if (oscam_new && cmd == DMX_SET_FILTER)
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return 4 + 2 + 60;
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else if (oscam_new && cmd == DMX_STOP)
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@ -1013,6 +1018,7 @@ capmt_msg_size(capmt_t *capmt, sbuf_t *sb, int offset)
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static void
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capmt_analyze_cmd(capmt_t *capmt, int adapter, sbuf_t *sb, int offset)
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{
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static uint8_t empty[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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uint32_t cmd;
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cmd = sbuf_peek_u32(sb, offset);
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@ -1041,25 +1047,49 @@ capmt_analyze_cmd(capmt_t *capmt, int adapter, sbuf_t *sb, int offset)
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} else if (cmd == CA_SET_DESCR) {
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static uint8_t empty[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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int32_t index = sbuf_peek_s32(sb, offset + 4);
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int32_t parity = sbuf_peek_s32(sb, offset + 8);
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uint8_t *cw = sbuf_peek (sb, offset + 12);
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ca_info_t *cai;
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tvhlog(LOG_DEBUG, "capmt", "CA_SET_DESCR adapter %d par %d idx %d %02x%02x%02x%02x%02x%02x%02x%02x", adapter, parity, index, cw[0], cw[1], cw[2], cw[3], cw[4], cw[5], cw[6], cw[7]);
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tvhlog(LOG_DEBUG, "capmt", "CA_SET_DESCR adapter %d par %d idx %d %02x%02x%02x%02x%02x%02x%02x%02x",
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adapter, parity, index, cw[0], cw[1], cw[2], cw[3], cw[4], cw[5], cw[6], cw[7]);
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if (index == -1) // skipping removal request
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return;
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if (adapter >= MAX_CA || index >= MAX_INDEX)
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return;
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cai = &capmt->capmt_adapters[adapter].ca_info[index];
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if (parity == 0) {
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capmt_process_key(capmt, adapter, cai->seq, cw, empty, 1);
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capmt_process_key(capmt, adapter, cai->seq, DESCRAMBLER_DES, cw, empty, 1);
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} else if (parity == 1) {
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capmt_process_key(capmt, adapter, cai->seq, empty, cw, 1);
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capmt_process_key(capmt, adapter, cai->seq, DESCRAMBLER_DES, empty, cw, 1);
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} else
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tvhlog(LOG_ERR, "capmt", "Invalid parity %d in CA_SET_DESCR for adapter%d", parity, adapter);
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} else if (cmd == CA_SET_DESCR_AES) {
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int32_t index = sbuf_peek_s32(sb, offset + 4);
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int32_t parity = sbuf_peek_s32(sb, offset + 8);
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uint8_t *cw = sbuf_peek (sb, offset + 12);
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ca_info_t *cai;
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tvhlog(LOG_DEBUG, "capmt", "CA_SET_DESCR_AES adapter %d par %d idx %d "
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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adapter, parity, index,
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cw[0], cw[1], cw[2], cw[3], cw[4], cw[5], cw[6], cw[7],
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cw[8], cw[9], cw[10], cw[11], cw[12], cw[13], cw[14], cw[15]);
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if (index == -1) // skipping removal request
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return;
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if (adapter >= MAX_CA || index >= MAX_INDEX)
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return;
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cai = &capmt->capmt_adapters[adapter].ca_info[index];
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if (parity == 0) {
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capmt_process_key(capmt, adapter, cai->seq, DESCRAMBLER_AES, cw, empty, 1);
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} else if (parity == 1) {
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capmt_process_key(capmt, adapter, cai->seq, DESCRAMBLER_AES, empty, cw, 1);
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} else
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tvhlog(LOG_ERR, "capmt", "Invalid parity %d in CA_SET_DESCR_AES for adapter%d", parity, adapter);
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} else if (cmd == DMX_SET_FILTER) {
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capmt_set_filter(capmt, adapter, sb, offset);
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@ -1317,6 +1347,7 @@ handle_ca0_wrapper(capmt_t *capmt)
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capmt_process_key(capmt, 0,
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buffer[0] | ((uint16_t)buffer[1] << 8),
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DESCRAMBLER_DES,
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buffer + 2, buffer + 10,
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ret == 18);
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}
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