diff options
Diffstat (limited to 'util/idiscover.c')
| -rw-r--r-- | util/idiscover.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/util/idiscover.c b/util/idiscover.c index 6dd0225..567cf05 100644 --- a/util/idiscover.c +++ b/util/idiscover.c @@ -17,6 +17,7 @@ * 09/20/07 Andy Cress - fixed send/receive thread order * 07/15/08 Andy Cress - added -r for ping repeats * 11/21/08 Andy Cress - detect eth intf and broadcast ip addr + * 01/04/16 Andy Cress - v1.11, allow 0 if fBroadcastOk (-a) */ /*M* Copyright (c) 2006, Intel Corporation @@ -157,7 +158,7 @@ int GetFirstIP(uchar *ipaddr, uchar *macadr, char *ipname, char fdb); /*ilan.c*/ /* * Global variables */ -static char * progver = "1.10"; +static char * progver = "1.11"; static char * progname = "idiscover"; static char fdebug = 0; static char fping = 1; @@ -504,7 +505,7 @@ int sock_init( char *_interface, char *_startIP, char *_endIP) strcpy(ifr.ifr_name, devname); ifr.ifr_addr.sa_family = AF_INET; if (ioctl(g_sockfd, SIOCGIFADDR, &ifr) >= 0) { - /* valid IP address, so active interface, use it */ + /* valid IP address, so active interface, use it */ temp_sockaddr = *((struct sockaddr_in *)&ifr.ifr_addr); memcpy(&_srcaddr.sin_addr.s_addr, &temp_sockaddr.sin_addr.s_addr, sizeof(_srcaddr.sin_addr.s_addr)); @@ -575,14 +576,15 @@ int sock_init( char *_interface, char *_startIP, char *_endIP) if (rv ) { _startAddr.s_addr = ntohl(_startAddr.s_addr); if (fdebug) show_ip(_startAddr.s_addr); - pb = (unsigned char*)&_startAddr.s_addr; - if (pb[0] < 1) + pb = (unsigned char*)&_startAddr.s_addr; + if (!fBroadcastOk && (pb[0] < 1) ) printerr("Malformed begin IP: %s\n", _startIP); else if (!fBroadcastOk && (pb[0] >254) ) printerr("Malformed begin IP: %s\n", _startIP); else if (fBroadcastOk) { - val = pb[0] & 0x0f; - if (val == 0x0f) rv = 0; + val = pb[0] & 0x0f; + if (val == 0x0f) rv = 0; + else if (val == 0x00) rv = 0; else printerr("Malformed begin broadcast IP: %s\n", _startIP); } else rv = 0; } else { @@ -594,8 +596,8 @@ int sock_init( char *_interface, char *_startIP, char *_endIP) if (rv ) { _endAddr.s_addr = ntohl(_endAddr.s_addr); if (fdebug) show_ip(_endAddr.s_addr); - pb = (unsigned char*)&_endAddr.s_addr; - if (pb[0] < 1) + pb = (unsigned char*)&_endAddr.s_addr; + if (!fBroadcastOk && (pb[0] < 1) ) printerr("Malformed end IP: %s\n", _endIP); else if (!fBroadcastOk && (pb[0] >254) ) printerr("Malformed end IP: %s\n", _endIP); |