diff options
Diffstat (limited to 'mactelnet.c')
| -rw-r--r-- | mactelnet.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mactelnet.c b/mactelnet.c index 7f60712..387ecb6 100644 --- a/mactelnet.c +++ b/mactelnet.c @@ -257,7 +257,7 @@ int findInterface() { /* Initialize receiving socket on the device chosen */ myip.sin_port = htons(sourceport); - /* Bind to udp port */ + /* Initialize socket and bind to udp port */ if ((testsocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { continue; } @@ -270,12 +270,16 @@ int findInterface() { continue; } + /* Find the mac address for the current device */ if (getDeviceMAC(testsocket, devicename, srcmac) < 0) { close(testsocket); continue; } + /* Set the global socket handle for sendUDP() */ sendSocket = testsocket; + + /* Send a SESSIONSTART message with the current device */ initPacket(&data, MT_PTYPE_SESSIONSTART, srcmac, dstmac, sessionkey, 0); sendUDP(&data); @@ -286,12 +290,14 @@ int findInterface() { FD_SET(insockfd, &read_fds); select(insockfd + 1, &read_fds, NULL, NULL, &timeout); if (FD_ISSET(insockfd, &read_fds)) { + /* We got a response, this is the correct device to use */ return 1; } close(testsocket); } + /* We didn't find anything */ return 0; } |