/* flasher for HomeMatic-devices supporting OTA updates
*
- * Copyright (c) 2014 Michael Gernoth <michael@gernoth.net>
+ * Copyright (c) 2014-15 Michael Gernoth <michael@gernoth.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
uint32_t hmid = 0;
uint32_t my_hmid = 0;
-char key[16] = {0};
-uint32_t kNo = 0;
+uint8_t key[16] = {0};
+int32_t kNo = -1;
/* Maximum payloadlen supported by IO */
uint32_t max_payloadlen = NORMAL_MAX_PAYLOAD;
rdata->version |= v;
}
break;
+ case 'E':
+ {
+ if (!strncmp((char*)buf, "ERR:CCA", 7)) {
+ fprintf(stderr, "CCA didn't complete, too much traffic\n");
+ }
+ break;
+ }
default:
fprintf(stderr, "Unknown response from CUL: %s", buf);
return 0;
}
if (msg[CTL] & 0x20) {
- int cnt = 3;
+ int cnt = 5;
int pfd;
do {
errno = 0;
}
}
if (rdata->message_type == MESSAGE_TYPE_E) {
- break;
+ if (rdata->message[TYPE] == 0x02) {
+ if (rdata->message[PAYLOAD] == 0x04) {
+ int32_t req_kNo;
+ uint8_t challenge[6];
+ uint8_t respbuf[16];
+ uint8_t *resp;
+
+ req_kNo = rdata->message[rdata->message[LEN]] / 2;
+ memcpy(challenge, &(rdata->message[PAYLOAD+1]), 6);
+
+ if (req_kNo != kNo) {
+ fprintf(stderr, "AES request for unknown key %d!\n", req_kNo);
+ } else {
+ resp = hm_sign(key, challenge, msg, NULL, respbuf);
+ if (resp) {
+ uint8_t rbuf[64];
+
+ memset(rbuf, 0, sizeof(rbuf));
+ rbuf[MSGID] = rdata->message[MSGID];
+ rbuf[CTL] = rdata->message[CTL];
+ rbuf[TYPE] = 0x03;
+ SET_SRC(rbuf, DST(rdata->message));
+ SET_DST(rbuf, SRC(rdata->message));
+ memcpy(&(rbuf[PAYLOAD]), resp, 16);
+ SET_LEN_FROM_PAYLOADLEN(rbuf, 16);
+
+ return send_hm_message(dev, rdata, rbuf);
+ }
+ }
+ } else if (rdata->message[PAYLOAD] >= 0x80 && rdata->message[PAYLOAD] <= 0x8f) {
+ fprintf(stderr, "NACK\n");
+ } else { /* ACK or ACKinfo */
+ break;
+ }
+ } else {
+ fprintf(stderr, "Unexpected message received: ");
+ for (i = 0; i < rdata->message[LEN]; i++) {
+ fprintf(stderr, "%02x", rdata->message[i+1]);
+ }
+ fprintf(stderr, "\n");
+ }
}
} while(cnt--);
fprintf(stderr, "Syntax: %s parameters options\n\n", prog);
fprintf(stderr, "Mandatory parameters:\n");
fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n");
- fprintf(stderr, "\t-s SERIAL\tserial of device to flash\n");
+ fprintf(stderr, "\t-s SERIAL\tserial of device to flash (optional when using -D)\n");
fprintf(stderr, "\nOptional parameters:\n");
fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n");
fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n");
fprintf(stderr, "\t-D\t\tHMID of device (3 hex-bytes, no prefix, e.g. 123456)\n");
fprintf(stderr, "\t-K\t\tKNO:KEY AES key-number and key (hex) separated by colon (Fhem hmKey attribute)\n");
- fprintf(stderr, "\t\t\tAES is currently not supported when using a culfw-device!\n");
}
int main(int argc, char **argv)
}
}
- if (!fw_file || !serial) {
+ if (!fw_file || (!serial && !hmid)) {
flash_ota_syntax(argv[0]);
exit(EXIT_FAILURE);
}
memset(&dev, 0, sizeof(struct ota_dev));
if (culfw_dev) {
- if (kNo) {
- fprintf(stderr, "\nAES currently not supported with culfw-device!\n");
- flash_ota_syntax(argv[0]);
- exit(EXIT_FAILURE);
- }
-
printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps);
dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata);
if (!dev.culfw) {
my_hmid = new_hmid;
}
- if (kNo) {
+ if (kNo > 0) {
printf("Setting AES-key\n");
memset(out, 0, sizeof(out));
if (hmid && my_hmid) {
printf("Sending device with hmid %06x to bootloader\n", hmid);
- out[MSGID] = msgid++;
out[CTL] = 0x30;
out[TYPE] = 0x11;
SET_SRC(out, my_hmid);
cnt = 3;
do {
+ out[MSGID] = msgid++;
if (send_hm_message(&dev, &rdata, out)) {
break;
}
}
}
- printf("Waiting for device with serial %s\n", serial);
+ if (serial) {
+ printf("Waiting for device with serial %s\n", serial);
+ } else {
+ printf("Waiting for device with HMID %06x\n", hmid);
+ }
while (1) {
errno = 0;
(rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
(DST(rdata.message) == 0x000000) && /* Broadcast */
(rdata.message[PAYLOAD] == 0x00)) { /* FUP? */
- if (!strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
+ if (serial && !strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
hmid = SRC(rdata.message);
break;
+ } else if (!serial && SRC(rdata.message) == hmid) {
+ serial = (char*)&(rdata.message[0x0b]);
+ break;
}
}
}
- printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", serial, hmid);
+ printf("Device with serial %s (HMID: %06x) entered firmware-update-mode\n", serial, hmid);
if (dev.type == DEVICE_TYPE_HMCFGUSB) {
printf("Adding HMID\n");
projects / hmcfgusb / blobdiff