+/* HM-sniffer for HM-CFG-USB
+ *
+ * Copyright (c) 2013 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
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <strings.h>
+#include <poll.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <libusb-1.0/libusb.h>
+
+#include "hexdump.h"
+#include "hmcfgusb.h"
+
+/* See HMConfig.pm */
+char *hm_message_types(uint8_t type)
+{
+ switch(type) {
+ case 0x00:
+ return "Device Info";
+ break;
+ case 0x01:
+ return "Configuration";
+ break;
+ case 0x02:
+ return "Acknowledge";
+ break;
+ case 0x03:
+ return "AES";
+ break;
+ case 0x04:
+ return "AES-Key";
+ break;
+ case 0x10:
+ return "Information";
+ break;
+ case 0x11:
+ return "SET";
+ break;
+ case 0x12:
+ return "HAVE_DATA";
+ break;
+ case 0x3e:
+ return "Switch";
+ break;
+ case 0x3f:
+ return "Timestamp";
+ break;
+ case 0x40:
+ return "Remote";
+ break;
+ case 0x41:
+ return "Sensor";
+ break;
+ case 0x53:
+ return "Water sensor";
+ break;
+ case 0x58:
+ return "Climate event";
+ break;
+ case 0x70:
+ return "Weather event";
+ break;
+ default:
+ return "?";
+ break;
+ }
+}
+
+static void dissect_hm(uint8_t *buf, int len)
+{
+ int i;
+
+ 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("BCAST ");
+ 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");
+
+ printf("\n");
+
+}
+
+static void parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
+{
+ if (buf_len < 1)
+ return;
+
+ switch(buf[0]) {
+ case 'E':
+ dissect_hm(buf + 13, buf[13] + 1);
+ break;
+ case 'H':
+ case 'R':
+ case 'I':
+ break;
+ default:
+ hexdump(buf, buf_len, "Unknown> ");
+ break;
+ }
+}
+
+
+int main(int argc, char **argv)
+{
+ struct hmcfgusb_dev *dev;
+ int quit = 0;
+
+ hmcfgusb_set_debug(0);
+
+ dev = hmcfgusb_init(parse_hmcfgusb, NULL);
+ if (!dev) {
+ fprintf(stderr, "Can't initialize HM-CFG-USB!\n");
+ return EXIT_FAILURE;
+ }
+
+ hmcfgusb_send(dev, (unsigned char*)"A\00\00\00", 3, 1);
+
+ while(!quit) {
+ int fd;
+
+ fd = hmcfgusb_poll(dev, 3600);
+ if (fd >= 0) {
+ fprintf(stderr, "activity on unknown fd %d!\n", fd);
+ continue;
+ } else if (fd == -1) {
+ if (errno) {
+ perror("hmcfgusb_poll");
+ quit = 1;
+ }
+ }
+ }
+
+ hmcfgusb_close(dev);
+ return EXIT_SUCCESS;
+}
projects / hmcfgusb / commitdiff