/* HM-sniffer for HM-CFG-USB
*
- * Copyright (c) 2013 Michael Gernoth <michael@gernoth.net>
+ * Copyright (c) 2013-15 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
#include <strings.h>
#include <poll.h>
#include <errno.h>
+#include <time.h>
#include <sys/time.h>
#include <libusb-1.0/libusb.h>
+#include "version.h"
#include "hexdump.h"
#include "hmcfgusb.h"
+static int verbose = 0;
+
/* See HMConfig.pm */
-char *hm_message_types(uint8_t type)
+char *hm_message_types(uint8_t type, uint8_t subtype)
{
switch(type) {
case 0x00:
return "Configuration";
break;
case 0x02:
- return "Acknowledge";
+ if (subtype >= 0x80 && subtype <= 0x8f) {
+ return "NACK";
+ } else if (subtype == 0x01) {
+ return "ACKinfo";
+ } else if (subtype == 0x04) {
+ return "AESrequest";
+ }
+ return "ACK";
break;
case 0x03:
- return "AES";
+ return "AESreply";
break;
case 0x04:
- return "AES-Key";
+ return "AESkey";
break;
case 0x10:
return "Information";
case 0x58:
return "Climate event";
break;
+ case 0x5a:
+ return "Thermal control";
+ break;
case 0x70:
return "Weather event";
break;
struct timeval tv;
struct tm *tmp;
char ts[32];
+ static int count = 0;
int i;
gettimeofday(&tv, NULL);
tmp = localtime(&tv.tv_sec);
memset(ts, 0, sizeof(ts));
strftime(ts, sizeof(ts)-1, "%Y-%m-%d %H:%M:%S", tmp);
- printf("%s.%06ld: ", ts, tv.tv_usec);
- for (i = 0; i < len; i++) {
- printf("%02X", buf[i]);
- }
- printf("\n");
- printf("Packet information:\n");
- printf("\tLength: %u\n", buf[0]);
- printf("\tMessage ID: %u\n", buf[1]);
- printf("\tSender: %02x%02x%02x\n", buf[4], buf[5], buf[6]);
- printf("\tReceiver: %02x%02x%02x\n", buf[7], buf[8], buf[9]);
- printf("\tControl Byte: 0x%02x\n", buf[2]);
- printf("\t\tFlags: ");
- if (buf[2] & (1 << 0)) printf("WAKEUP ");
- if (buf[2] & (1 << 1)) printf("WAKEMEUP ");
- if (buf[2] & (1 << 2)) printf("CFG ");
- if (buf[2] & (1 << 3)) printf("? ");
- if (buf[2] & (1 << 4)) printf("BURST ");
- if (buf[2] & (1 << 5)) printf("BIDI ");
- if (buf[2] & (1 << 6)) printf("RPTED ");
- if (buf[2] & (1 << 7)) printf("RPTEN ");
- printf("\n");
- printf("\tMessage type: %s (0x%02x)\n", hm_message_types(buf[3]), buf[3]);
- printf("\tMesage: ");
- for (i = 10; i < len; i++) {
- printf("%02X", buf[i]);
- }
- printf("\n");
+ if (verbose) {
+ printf("%s.%06ld: ", ts, tv.tv_usec);
- printf("\n");
+ for (i = 0; i < len; i++) {
+ printf("%02X", buf[i]);
+ }
+ printf("\n");
+ printf("Packet information:\n");
+ printf("\tLength: %u\n", buf[0]);
+ printf("\tMessage ID: %u\n", buf[1]);
+ printf("\tSender: %02x%02x%02x\n", buf[4], buf[5], buf[6]);
+ printf("\tReceiver: %02x%02x%02x\n", buf[7], buf[8], buf[9]);
+ printf("\tControl Byte: 0x%02x\n", buf[2]);
+ printf("\t\tFlags: ");
+ if (buf[2] & (1 << 0)) printf("WAKEUP ");
+ if (buf[2] & (1 << 1)) printf("WAKEMEUP ");
+ if (buf[2] & (1 << 2)) printf("CFG ");
+ if (buf[2] & (1 << 3)) printf("? ");
+ if (buf[2] & (1 << 4)) printf("BURST ");
+ if (buf[2] & (1 << 5)) printf("BIDI ");
+ if (buf[2] & (1 << 6)) printf("RPTED ");
+ if (buf[2] & (1 << 7)) printf("RPTEN ");
+ printf("\n");
+ printf("\tMessage type: %s (0x%02x 0x%02x)\n", hm_message_types(buf[3], buf[10]), buf[3], buf[10]);
+ printf("\tMessage: ");
+ for (i = 10; i < len; i++) {
+ printf("%02X", buf[i]);
+ }
+ printf("\n");
+ printf("\n");
+ } else {
+ if (!(count++ % 20))
+ printf(" LL NR FL CM sender recvr payload\n");
+ printf("%s.%03ld: %02X %02X %02X %02X %02X%02X%02X %02X%02X%02X ",
+ ts, tv.tv_usec/1000,
+ buf[0], buf[1], buf[2], buf[3],
+ buf[4], buf[5], buf[6],
+ buf[7], buf[8], buf[9]);
+
+ for (i = 10; i < len; i++) {
+ printf("%02X", buf[i]);
+ }
+ printf("%s(%s)\n", (i>10)?" ":"", hm_message_types(buf[3], buf[10]));
+ }
}
struct recv_data {
return 1;
}
+void hmsniff_syntax(char *prog)
+{
+ fprintf(stderr, "Syntax: %s options\n\n", prog);
+ fprintf(stderr, "Possible options:\n");
+ fprintf(stderr, "\t-v\t\tverbose mode\n");
+ fprintf(stderr, "\t-V\t\tshow version (" VERSION ")\n");
+
+}
+
int main(int argc, char **argv)
{
struct hmcfgusb_dev *dev;
struct recv_data rdata;
int quit = 0;
+ int opt;
+
+ while((opt = getopt(argc, argv, "vV")) != -1) {
+ switch (opt) {
+ case 'v':
+ verbose = 1;
+ break;
+ case 'V':
+ printf("hmsniff " VERSION "\n");
+ printf("Copyright (c) 2013-15 Michael Gernoth\n\n");
+ exit(EXIT_SUCCESS);
+ case 'h':
+ case ':':
+ case '?':
+ default:
+ hmsniff_syntax(argv[0]);
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
hmcfgusb_set_debug(0);
}
printf("HM-CFG-USB opened!\n");
+ hmcfgusb_send_null_frame(dev, 1);
hmcfgusb_send(dev, (unsigned char*)"K", 1, 1);
while(!quit) {
rdata.wrong_hmid = 0;
hmcfgusb_send(dev, (unsigned char*)"K", 1, 1);
}
- fd = hmcfgusb_poll(dev, 10);
+ fd = hmcfgusb_poll(dev, 1000);
if (fd >= 0) {
fprintf(stderr, "activity on unknown fd %d!\n", fd);
continue;
} else if (fd == -1) {
if (errno) {
- perror("hmcfgusb_poll");
- break;
+ if (errno != ETIMEDOUT) {
+ perror("hmcfgusb_poll");
+ break;
+ } else {
+ /* periodically wakeup the device */
+ hmcfgusb_send_null_frame(dev, 1);
+ }
}
}
}
hmcfgusb_close(dev);
} while (!quit);
+ hmcfgusb_exit();
+
return EXIT_SUCCESS;
}
projects / hmcfgusb / blobdiff