setting an AES encryption key (Y) needs a length-byte

[hmcfgusb] / hmland.c

diff --git a/hmland.c b/hmland.c
index 15b46ab7a5c4b0dbfd2404a55fd2f14b393c95ea..0ec09a7d792ad033170b119177f2222a6484afc5 100644 (file)
--- a/hmland.c
+++ b/hmland.c
@@ -55,7 +55,6 @@ static int verbose = 0;
 #define        FLAG_COMMA_AFTER        (1<<3)
 #define        FLAG_NL                 (1<<4)
 #define        FLAG_IGNORE_COMMAS      (1<<5)
-#define        FLAG_PERIODIC_WAKEUP    (1<<6)
 
 #define CHECK_SPACE(x)         if ((*outpos + x) > outend) { fprintf(stderr, "Not enough space!\n"); return 0; }
 #define CHECK_AVAIL(x)         if ((*inpos + x) > inend) { fprintf(stderr, "Not enough input available!\n"); return 0; }
@@ -308,6 +307,10 @@ static int hmlan_parse_in(int fd, void *data)
                                        parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
                                        parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_LENGTH_BYTE);
                                        break;
+                               case 'Y':
+                                       parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
+                                       parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), 0);
+                                       parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_LENGTH_BYTE);
                                default:
                                        parse_part_in(&inpos, (last-(inpos-instart)), &outpos, (sizeof(out)-(outpos-out)), FLAG_IGNORE_COMMAS);
                                        break;
@@ -329,7 +332,6 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
 {
        struct hmcfgusb_dev *dev;
        uint8_t out[0x40]; //FIXME!!!
-       int poll_timeout = 3600;
        int quit = 0;
 
        hmcfgusb_set_debug(debug);
@@ -354,17 +356,15 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
                }
        }
 
-       if (flags & FLAG_PERIODIC_WAKEUP)
-               poll_timeout = 1;
-
        memset(out, 0, sizeof(out));
        out[0] = 'K';
+       hmcfgusb_send_null_frame(dev);
        hmcfgusb_send(dev, out, sizeof(out), 1);
 
        while(!quit) {
                int fd;
 
-               fd = hmcfgusb_poll(dev, poll_timeout);
+               fd = hmcfgusb_poll(dev, 1);     /* Wakeup device/bus at least once a second */
                if (fd >= 0) {
                        if (fd == master_socket) {
                                int client;
@@ -558,7 +558,7 @@ static int socket_server(char *iface, int port, int flags)
                                        (client_addr & 0x0000ff00) >> 8,
                                        (client_addr & 0x000000ff));
                }
-
+               sleep(1);
        }
 
        return EXIT_SUCCESS;
@@ -583,7 +583,6 @@ void hmlan_syntax(char *prog)
        fprintf(stderr, "\t-l ip\tlisten on given IP address only (for example 127.0.0.1)\n");
        fprintf(stderr, "\t-P\tcreate PID file " PID_FILE " in daemon mode\n");
        fprintf(stderr, "\t-p n\tlisten on port n (default 1000)\n");
-       fprintf(stderr, "\t-R\twakeup the device (and USB-bus) every second (fix for e.g. Raspberry Pi)\n");
        fprintf(stderr, "\t-v\tverbose mode\n");
 
 }
@@ -620,7 +619,7 @@ int main(int argc, char **argv)
                                }
                                break;
                        case 'R':
-                               flags |= FLAG_PERIODIC_WAKEUP;
+                               fprintf(stderr, "-R is no longer needed (1s wakeup is default)\n");
                                break;
                        case 'l':
                                iface = optarg;