hmsniff: more compact output by default
authorMichael Gernoth <michael@gernoth.net>
Fri, 31 Jul 2015 22:32:39 +0000 (00:32 +0200)
committerMichael Gernoth <michael@gernoth.net>
Fri, 31 Jul 2015 22:32:39 +0000 (00:32 +0200)
old output-format can be enabled with -v

hmsniff.c

index 1f5d889a0fff7f7874f07ab54317beb847336a72..70e2412a71d7d534396c01ad8a9e2d1f1fc472ee 100644 (file)
--- a/hmsniff.c
+++ b/hmsniff.c
@@ -1,6 +1,6 @@
 /* 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
@@ -29,6 +29,7 @@
 #include <strings.h>
 #include <poll.h>
 #include <errno.h>
+#include <time.h>
 #include <sys/time.h>
 #include <libusb-1.0/libusb.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:
@@ -47,13 +50,20 @@ char *hm_message_types(uint8_t type)
                        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";
@@ -82,6 +92,9 @@ char *hm_message_types(uint8_t type)
                case 0x58:
                        return "Climate event";
                        break;
+               case 0x5a:
+                       return "Thermal control";
+                       break;
                case 0x70:
                        return "Weather event";
                        break;
@@ -96,43 +109,59 @@ static void dissect_hm(uint8_t *buf, int len)
        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("\tMessage: ");
-       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 {
@@ -169,11 +198,40 @@ static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *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);
 
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