version 1.1.2.1, 2009/12/18 14:12:24
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version 1.1.2.4, 2009/12/28 13:25:04
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#include "global.h" |
#include "global.h" |
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#include "get1steth.h" |
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int main() | char szIface[MAX_STR]; |
| int Verbose; |
| extern char compiled[], compiledby[], compilehost[]; |
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| static void Usage() |
{ |
{ |
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printf("-= GET_FIRST_ETHERNET =- Get First Ethernet Interface tool\n" |
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"=== %s === %s@%s ===\n\n" |
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"Syntax: get1steth [option] [custom_first_interface]\n\n" |
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"\t-v\t\tVerbose (more -v more verbosity)\n" |
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"\t-g\t\tOnly get first interface, print and exit ...\n" |
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"\n", compiled, compiledby, compilehost); |
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} |
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// ------------------------------- |
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int main(int argc, char **argv) |
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{ |
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char ch, GetOnly = 0; |
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struct ifaddrs *ifa, *ifp; |
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struct sockaddr_dl *sdl; |
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struct sockaddr_in *sin; |
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struct ifreq ifr; |
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struct vlanreq vlr; |
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struct ifaliasreq ifra; |
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int s; |
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while ((ch = getopt(argc, argv, "hvg")) != -1) |
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switch (ch) { |
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case 'g': |
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GetOnly = 1; |
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break; |
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case 'v': |
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Verbose++; |
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break; |
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case 'h': |
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default: |
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Usage(); |
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return 1; |
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} |
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argc -= optind; |
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argv += optind; |
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openlog("get1steth", LOG_CONS | LOG_PERROR, LOG_CONSOLE | LOG_USER); |
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if (argc) { |
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strlcpy(szIface, *argv, MAX_STR); |
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VERB(1) syslog(LOG_NOTICE, "Info:: Get CUSTOM first interface %s\n", szIface); |
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} else { |
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getifaddrs(&ifa); |
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for (ifp = ifa; ifp; ifp = ifp->ifa_next) { |
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if (PF_LINK == ifp->ifa_addr->sa_family && |
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IFT_ETHER == ((struct sockaddr_dl*) ifp->ifa_addr)->sdl_type) { |
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strlcpy(szIface, ifp->ifa_name, MAX_STR); |
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sdl = (struct sockaddr_dl*) ifp->ifa_addr; |
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VERB(2) syslog(LOG_NOTICE, "Info:: Get first interface=%s MAC=%s\n", szIface, |
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ether_ntoa((struct ether_addr*) LLADDR(sdl))); |
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break; |
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} |
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} |
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freeifaddrs(ifa); |
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} |
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if (GetOnly) { |
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printf("%s\n", szIface); |
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closelog(); |
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return 0; |
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} |
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// create vlan |
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memset(&ifr, 0, sizeof ifr); |
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strlcpy(vlr.vlr_parent, szIface, IFNAMSIZ); |
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vlr.vlr_tag = MGMT_VTAG; |
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strlcpy(ifr.ifr_name, MGMT_IFACE, IFNAMSIZ); |
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ifr.ifr_data = (void *) &vlr; |
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s = socket(PF_INET, SOCK_STREAM, 0); |
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if (-1 == s) { |
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syslog(LOG_ERR, "Error:: socket(LOCAL) #%d - %s\n", errno, strerror(errno)); |
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return 2; |
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} |
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if (ioctl(s, SIOCIFCREATE2, &ifr) == -1 && errno != EEXIST) { |
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syslog(LOG_ERR, "Error:: Create interface=%s ioctl(SIOCIFCREATE2) #%d - %s\n", |
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MGMT_IFACE, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} else |
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VERB(2) syslog(LOG_NOTICE, "Info:: Created interface=%s\n", MGMT_IFACE); |
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// rename iface |
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ifr.ifr_data = MGMT_NAME; |
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if (errno != EEXIST && ioctl(s, SIOCSIFNAME, &ifr) == -1) { |
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syslog(LOG_ERR, "Error:: Managment interface=%s ioctl(SIOCSIFNAME) #%d - %s\n", |
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MGMT_NAME, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} else |
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VERB(2) syslog(LOG_NOTICE, "Info:: Managment interface=%s\n", MGMT_NAME); |
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// assign address & up |
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memset(&ifra, 0, sizeof ifra); |
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strlcpy(ifra.ifra_name, MGMT_NAME, IFNAMSIZ); |
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sin = (struct sockaddr_in*) &ifra.ifra_addr; |
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sin->sin_len = sizeof ifra.ifra_addr; |
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sin->sin_family = AF_INET; |
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sin->sin_addr.s_addr = inet_addr(MGMT_ADDR); |
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sin = (struct sockaddr_in*) &ifra.ifra_mask; |
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sin->sin_len = sizeof ifra.ifra_mask; |
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sin->sin_family = AF_INET; |
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sin->sin_addr.s_addr = inet_addr(MGMT_MASK); |
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if (ioctl(s, SIOCAIFADDR, &ifra) == -1) { |
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syslog(LOG_ERR, "Error:: IP %s ioctl(SIOCAIFADDR) #%d - %s\n", |
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MGMT_ADDR, errno, strerror(errno)); |
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close(s); |
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return 2; |
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} else |
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VERB(2) syslog(LOG_NOTICE, "Info:: IP %s\n", MGMT_ADDR); |
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close(s); |
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closelog(); |
return 0; |
return 0; |
} |
} |