X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=plugins%2Fcheck_dhcp.c;h=a3e0c53c58198aa60d19a628d7b5d63e9c5adcf8;hb=d4c0948266f261525e12c58d58e0fc68987a9818;hp=f668a8806029a5b4b0c557a786d97ef70dd1fd2b;hpb=7bd302bd788d07391ca1c9d284bf443438fd4cfd;p=nagiosplug.git diff --git a/plugins/check_dhcp.c b/plugins/check_dhcp.c index f668a88..a3e0c53 100644 --- a/plugins/check_dhcp.c +++ b/plugins/check_dhcp.c @@ -22,8 +22,15 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * +* $Id$ +* *****************************************************************************/ +const char *progname = "check_dhcp"; +const char *revision = "$Revision$"; +const char *copyright = "2001-2004"; +const char *email = "nagiosplug-devel@lists.sourceforge.net"; + #include "common.h" #include "netutils.h" #include "utils.h" @@ -94,8 +101,6 @@ long mac_addr_dlpi( const char *, int, u_char *); #endif -const char *progname = "check_dhcp"; - #define HAVE_GETOPT_H @@ -238,12 +243,13 @@ int main(int argc, char **argv){ int dhcp_socket; int result; + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + if(process_arguments(argc,argv)!=OK){ - /*usage("Invalid command arguments supplied\n");*/ - printf("Invalid command arguments supplied\n"); - exit(STATE_UNKNOWN); - } - + usage4 (_("Could not parse arguments")); + } /* create socket for DHCP communications */ dhcp_socket=create_dhcp_socket(); @@ -284,17 +290,14 @@ int get_hardware_address(int sock,char *interface_name){ /* try and grab hardware address of requested interface */ if(ioctl(sock,SIOCGIFHWADDR,&ifr)<0){ - printf("Error: Could not get hardware address of interface '%s'\n",interface_name); + printf(_("Error: Could not get hardware address of interface '%s'\n"),interface_name); exit(STATE_UNKNOWN); } memcpy(&client_hardware_address[0],&ifr.ifr_hwaddr.sa_data,6); #elif defined(__bsd__) - - /* Code from getmac.c posted at http://lists.freebsd.org/pipermail/freebsd-hackers/2004-June/007415.html - * by Alecs King based on Unix Network programming Ch 17 - */ + /* King 2004 see ACKNOWLEDGEMENTS */ int mib[6], len; char *buf; @@ -309,22 +312,22 @@ int get_hardware_address(int sock,char *interface_name){ mib[4] = NET_RT_IFLIST; if ((mib[5] = if_nametoindex(interface_name)) == 0) { - printf("Error: if_nametoindex error - %s.\n", strerror(errno)); + printf(_("Error: if_nametoindex error - %s.\n"), strerror(errno)); exit(STATE_UNKNOWN); } if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { - printf("Error: Couldn't get hardware address from %s. sysctl 1 error - %s.\n", interface_name, strerror(errno)); + printf(_("Error: Couldn't get hardware address from %s. sysctl 1 error - %s.\n"), interface_name, strerror(errno)); exit(STATE_UNKNOWN); } if ((buf = malloc(len)) == NULL) { - printf("Error: Couldn't get hardware address from interface %s. malloc error - %s.\n", interface_name, strerror(errno)); + printf(_("Error: Couldn't get hardware address from interface %s. malloc error - %s.\n"), interface_name, strerror(errno)); exit(4); } if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) { - printf("Error: Couldn't get hardware address from %s. sysctl 2 error - %s.\n", interface_name, strerror(errno)); + printf(_("Error: Couldn't get hardware address from %s. sysctl 2 error - %s.\n"), interface_name, strerror(errno)); exit(STATE_UNKNOWN); } @@ -332,20 +335,11 @@ int get_hardware_address(int sock,char *interface_name){ sdl = (struct sockaddr_dl *)(ifm + 1); ptr = (unsigned char *)LLADDR(sdl); memcpy(&client_hardware_address[0], ptr, 6) ; + /* King 2004 */ #elif defined(__sun__) || defined(__solaris__) - /* - * Lifted from - * - * mac_addr_dlpi.c - * - * Copyright @2000, 2003 Martin Kompf, martin@kompf.de - * - * Return the MAC (ie, ethernet hardware) address by using the dlpi api. - * - */ - + /* Kompf 2000-2003 see ACKNOWLEDGEMENTS */ long stat; char dev[20] = "/dev/"; char *p; @@ -358,39 +352,35 @@ int get_hardware_address(int sock,char *interface_name){ *p = '\0' ; strncat(dev, interface_name, 6) ; } else { - printf("Error: can't find unit number in interface_name (%s) - expecting TypeNumber eg lnc0.\n", interface_name); + printf(_("Error: can't find unit number in interface_name (%s) - expecting TypeNumber eg lnc0.\n"), interface_name); exit(STATE_UNKNOWN); } stat = mac_addr_dlpi(dev, unit, client_hardware_address); if (stat != 0) { - printf("Error: can't read MAC address from DLPI streams interface for device %s unit %d.\n", dev, unit); + printf(_("Error: can't read MAC address from DLPI streams interface for device %s unit %d.\n"), dev, unit); exit(STATE_UNKNOWN); } #elif defined(__hpux__) - /* Martin Kompf again - * - * Nagios plugins thank you sincerely - */ - long stat; char dev[20] = "/dev/dlpi" ; int unit = 0; stat = mac_addr_dlpi(dev, unit, client_hardware_address); if (stat != 0) { - printf("Error: can't read MAC address from DLPI streams interface for device %s unit %d.\n", dev, unit); + printf(_("Error: can't read MAC address from DLPI streams interface for device %s unit %d.\n"), dev, unit); exit(STATE_UNKNOWN); } + /* Kompf 2000-2003 */ #else - printf("Error: can't get MAC address for this architecture.\n"); + printf(_("Error: can't get MAC address for this architecture.\n")); exit(STATE_UNKNOWN); #endif if (verbose) { - printf( "Hardware address: "); + printf(_("Hardware address: ")); for (i=0; i<6; ++i) printf("%2.2x", client_hardware_address[i]); printf( "\n"); @@ -465,7 +455,7 @@ int send_dhcp_discover(int sock){ if (verbose) { - printf("DHCPDISCOVER to %s port %d\n",inet_ntoa(sockaddr_broadcast.sin_addr),ntohs(sockaddr_broadcast.sin_port)); + printf(_("DHCPDISCOVER to %s port %d\n"),inet_ntoa(sockaddr_broadcast.sin_addr),ntohs(sockaddr_broadcast.sin_port)); printf("DHCPDISCOVER XID: %lu (0x%X)\n",ntohl(discover_packet.xid),ntohl(discover_packet.xid)); printf("DHCDISCOVER ciaddr: %s\n",inet_ntoa(discover_packet.ciaddr)); printf("DHCDISCOVER yiaddr: %s\n",inet_ntoa(discover_packet.yiaddr)); @@ -516,26 +506,26 @@ int get_dhcp_offer(int sock){ if(result!=OK){ if (verbose) - printf("Result=ERROR\n"); + printf(_("Result=ERROR\n")); continue; } else{ if (verbose) - printf("Result=OK\n"); + printf(_("Result=OK\n")); responses++; } if (verbose) { - printf("DHCPOFFER from IP address %s\n",inet_ntoa(source.sin_addr)); + printf(_("DHCPOFFER from IP address %s\n"),inet_ntoa(source.sin_addr)); printf("DHCPOFFER XID: %lu (0x%X)\n",ntohl(offer_packet.xid),ntohl(offer_packet.xid)); } /* check packet xid to see if its the same as the one we used in the discover packet */ if(ntohl(offer_packet.xid)!=packet_xid){ if (verbose) - printf("DHCPOFFER XID (%lu) did not match DHCPDISCOVER XID (%lu) - ignoring packet\n",ntohl(offer_packet.xid),packet_xid); + printf(_("DHCPOFFER XID (%lu) did not match DHCPDISCOVER XID (%lu) - ignoring packet\n"),ntohl(offer_packet.xid),packet_xid); continue; } @@ -557,7 +547,7 @@ int get_dhcp_offer(int sock){ if(result==ERROR){ if (verbose) - printf("DHCPOFFER hardware address did not match our own - ignoring packet\n"); + printf(_("DHCPOFFER hardware address did not match our own - ignoring packet\n")); continue; } @@ -575,8 +565,8 @@ int get_dhcp_offer(int sock){ } if (verbose) { - printf("Total responses seen on the wire: %d\n",responses); - printf("Valid responses for this machine: %d\n",valid_responses); + printf(_("Total responses seen on the wire: %d\n"),responses); + printf(_("Valid responses for this machine: %d\n"),valid_responses); } return OK; @@ -592,7 +582,7 @@ int send_dhcp_packet(void *buffer, int buffer_size, int sock, struct sockaddr_in result=sendto(sock,(char *)buffer,buffer_size,0,(struct sockaddr *)dest,sizeof(*dest)); if (verbose) - printf("send_dhcp_packet result: %d\n",result); + printf(_("send_dhcp_packet result: %d\n"),result); if(result<0) return ERROR; @@ -621,7 +611,7 @@ int receive_dhcp_packet(void *buffer, int buffer_size, int sock, int timeout, st /* make sure some data has arrived */ if(!FD_ISSET(sock,&readfds)){ if (verbose) - printf("No (more) data received\n"); + printf(_("No (more) data received\n")); return ERROR; } @@ -640,15 +630,15 @@ int receive_dhcp_packet(void *buffer, int buffer_size, int sock, int timeout, st if(recv_result==-1){ if (verbose) { - printf("recvfrom() failed, "); + printf(_("recvfrom() failed, ")); printf("errno: (%d) -> %s\n",errno,strerror(errno)); } return ERROR; } else{ if (verbose) { - printf("receive_dhcp_packet() result: %d\n",recv_result); - printf("receive_dhcp_packet() source: %s\n",inet_ntoa(source_address.sin_addr)); + printf(_("receive_dhcp_packet() result: %d\n"),recv_result); + printf(_("receive_dhcp_packet() source: %s\n"),inet_ntoa(source_address.sin_addr)); } memcpy(address,&source_address,sizeof(source_address)); @@ -660,7 +650,6 @@ int receive_dhcp_packet(void *buffer, int buffer_size, int sock, int timeout, st } - /* creates a socket for DHCP communication */ int create_dhcp_socket(void){ struct sockaddr_in myname; @@ -678,7 +667,7 @@ int create_dhcp_socket(void){ /* create a socket for DHCP communications */ sock=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP); if(sock<0){ - printf("Error: Could not create socket!\n"); + printf(_("Error: Could not create socket!\n")); exit(STATE_UNKNOWN); } @@ -688,13 +677,13 @@ int create_dhcp_socket(void){ /* set the reuse address flag so we don't get errors when restarting */ flag=1; if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(char *)&flag,sizeof(flag))<0){ - printf("Error: Could not set reuse address option on DHCP socket!\n"); + printf(_("Error: Could not set reuse address option on DHCP socket!\n")); exit(STATE_UNKNOWN); } /* set the broadcast option - we need this to listen to DHCP broadcast messages */ if(setsockopt(sock,SOL_SOCKET,SO_BROADCAST,(char *)&flag,sizeof flag)<0){ - printf("Error: Could not set broadcast option on DHCP socket!\n"); + printf(_("Error: Could not set broadcast option on DHCP socket!\n")); exit(STATE_UNKNOWN); } @@ -702,7 +691,7 @@ int create_dhcp_socket(void){ #if defined(__linux__) strncpy(interface.ifr_ifrn.ifrn_name,network_interface_name,IFNAMSIZ); if(setsockopt(sock,SOL_SOCKET,SO_BINDTODEVICE,(char *)&interface,sizeof(interface))<0){ - printf("Error: Could not bind socket to interface %s. Check your privileges...\n",network_interface_name); + printf(_("Error: Could not bind socket to interface %s. Check your privileges...\n"),network_interface_name); exit(STATE_UNKNOWN); } @@ -712,7 +701,7 @@ int create_dhcp_socket(void){ /* bind the socket */ if(bind(sock,(struct sockaddr *)&myname,sizeof(myname))<0){ - printf("Error: Could not bind to DHCP socket (port %d)! Check your privileges...\n",DHCP_CLIENT_PORT); + printf(_("Error: Could not bind to DHCP socket (port %d)! Check your privileges...\n"),DHCP_CLIENT_PORT); exit(STATE_UNKNOWN); } @@ -720,9 +709,6 @@ int create_dhcp_socket(void){ } - - - /* closes DHCP socket */ int close_dhcp_socket(int sock){ @@ -732,8 +718,6 @@ int close_dhcp_socket(int sock){ } - - /* adds a requested server address to list in memory */ int add_requested_server(struct in_addr server_address){ requested_server *new_server; @@ -750,7 +734,7 @@ int add_requested_server(struct in_addr server_address){ requested_servers++; if (verbose) - printf("Requested server address: %s\n",inet_ntoa(new_server->server_address)); + printf(_("Requested server address: %s\n"),inet_ntoa(new_server->server_address)); return OK; } @@ -786,12 +770,21 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){ printf("Option: %d (0x%02X)\n",option_type,option_length); /* get option data */ - if(option_type==DHCP_OPTION_LEASE_TIME) - dhcp_lease_time=ntohl(*((u_int32_t *)&offer_packet->options[x])); - if(option_type==DHCP_OPTION_RENEWAL_TIME) - dhcp_renewal_time=ntohl(*((u_int32_t *)&offer_packet->options[x])); - if(option_type==DHCP_OPTION_REBINDING_TIME) - dhcp_rebinding_time=ntohl(*((u_int32_t *)&offer_packet->options[x])); + if(option_type==DHCP_OPTION_LEASE_TIME) { + memcpy(&dhcp_lease_time, &offer_packet->options[x], + sizeof(dhcp_lease_time)); + dhcp_lease_time = ntohl(dhcp_lease_time); + } + if(option_type==DHCP_OPTION_RENEWAL_TIME) { + memcpy(&dhcp_renewal_time, &offer_packet->options[x], + sizeof(dhcp_renewal_time)); + dhcp_renewal_time = ntohl(dhcp_renewal_time); + } + if(option_type==DHCP_OPTION_REBINDING_TIME) { + memcpy(&dhcp_rebinding_time, &offer_packet->options[x], + sizeof(dhcp_rebinding_time)); + dhcp_rebinding_time = ntohl(dhcp_rebinding_time); + } /* skip option data we're ignoring */ else @@ -800,16 +793,16 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){ if (verbose) { if(dhcp_lease_time==DHCP_INFINITE_TIME) - printf("Lease Time: Infinite\n"); + printf(_("Lease Time: Infinite\n")); else - printf("Lease Time: %lu seconds\n",(unsigned long)dhcp_lease_time); + printf(_("Lease Time: %lu seconds\n"),(unsigned long)dhcp_lease_time); if(dhcp_renewal_time==DHCP_INFINITE_TIME) - printf("Renewal Time: Infinite\n"); + printf(_("Renewal Time: Infinite\n")); else - printf("Renewal Time: %lu seconds\n",(unsigned long)dhcp_renewal_time); + printf(_("Renewal Time: %lu seconds\n"),(unsigned long)dhcp_renewal_time); if(dhcp_rebinding_time==DHCP_INFINITE_TIME) - printf("Rebinding Time: Infinite\n"); - printf("Rebinding Time: %lu seconds\n",(unsigned long)dhcp_rebinding_time); + printf(_("Rebinding Time: Infinite\n")); + printf(_("Rebinding Time: %lu seconds\n"),(unsigned long)dhcp_rebinding_time); } new_offer=(dhcp_offer *)malloc(sizeof(dhcp_offer)); @@ -817,7 +810,6 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){ if(new_offer==NULL) return ERROR; - new_offer->server_address=source; new_offer->offered_address=offer_packet->yiaddr; new_offer->lease_time=dhcp_lease_time; @@ -826,8 +818,8 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){ if (verbose) { - printf("Added offer from server @ %s",inet_ntoa(new_offer->server_address)); - printf(" of IP address %s\n",inet_ntoa(new_offer->offered_address)); + printf(_("Added offer from server @ %s"),inet_ntoa(new_offer->server_address)); + printf(_(" of IP address %s\n"),inet_ntoa(new_offer->offered_address)); } /* add new offer to head of list */ @@ -838,8 +830,6 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){ } - - /* frees memory allocated to DHCP OFFER list */ int free_dhcp_offer_list(void){ dhcp_offer *this_offer; @@ -854,8 +844,6 @@ int free_dhcp_offer_list(void){ } - - /* frees memory allocated to requested server list */ int free_requested_server_list(void){ requested_server *this_server; @@ -898,8 +886,8 @@ int get_results(void){ /* see if the servers we wanted a response from talked to us or not */ if(!memcmp(&temp_offer->server_address,&temp_server->server_address,sizeof(temp_server->server_address))){ if (verbose) { - printf("DHCP Server Match: Offerer=%s",inet_ntoa(temp_offer->server_address)); - printf(" Requested=%s\n",inet_ntoa(temp_server->server_address)); + printf(_("DHCP Server Match: Offerer=%s"),inet_ntoa(temp_offer->server_address)); + printf(_(" Requested=%s\n"),inet_ntoa(temp_server->server_address)); } requested_responses++; } @@ -938,21 +926,21 @@ int get_results(void){ /* we didn't receive any DHCPOFFERs */ if(dhcp_offer_list==NULL){ - printf("No DHCPOFFERs were received.\n"); + printf(_("No DHCPOFFERs were received.\n")); return result; } - printf("Received %d DHCPOFFER(s)",valid_responses); + printf(_("Received %d DHCPOFFER(s)"),valid_responses); if(requested_servers>0) - printf(", %s%d of %d requested servers responded",((requested_responses0)?"only ":"",requested_responses,requested_servers); + printf(_(", %s%d of %d requested servers responded"),((requested_responses0)?"only ":"",requested_responses,requested_servers); if(request_specific_address==TRUE) - printf(", requested address (%s) was %soffered",inet_ntoa(requested_address),(received_requested_address==TRUE)?"":"not "); + printf(_(", requested address (%s) was %soffered"),inet_ntoa(requested_address),(received_requested_address==TRUE)?"":_("not ")); - printf(", max lease time = "); + printf(_(", max lease time = ")); if(max_lease_time==DHCP_INFINITE_TIME) - printf("Infinity"); + printf(_("Infinity")); else printf("%lu sec",(unsigned long)max_lease_time); @@ -962,57 +950,6 @@ int get_results(void){ } - - - - -/* print usage help */ -void print_help(void){ - - /*print_revision(progname,"$Revision$");*/ - - printf("Copyright (c) 2001-2004 Ethan Galstad (nagios@nagios.org)\n\n"); - printf("This plugin tests the availability of DHCP servers on a network.\n\n"); - - print_usage(); - - printf - ("\nOptions:\n" - " -s, --serverip=IPADDRESS\n" - " IP address of DHCP server that we must hear from\n" - " -r, --requestedip=IPADDRESS\n" - " IP address that should be offered by at least one DHCP server\n" - " -t, --timeout=INTEGER\n" - " Seconds to wait for DHCPOFFER before timeout occurs\n" - " -i, --interface=STRING\n" - " Interface to to use for listening (i.e. eth0)\n" - " -v, --verbose\n" - " Print extra information (command-line use only)\n" - " -h, --help\n" - " Print detailed help screen\n" - " -V, --version\n" - " Print version information\n\n" - ); - - /*support();*/ - - return; - } - - -/* prints usage information */ -void print_usage(void){ - - printf("Usage: %s [-s serverip] [-r requestedip] [-t timeout] [-i interface]\n",progname); - printf(" %s --help\n",progname); - printf(" %s --version\n",progname); - - return; - } - - - - /* process command-line arguments */ int process_arguments(int argc, char **argv){ int c; @@ -1120,23 +1057,19 @@ int call_getopt(int argc, char **argv){ break; case 'V': /* version */ - - /*print_revision(progname,"$Revision$");*/ + print_revision(progname,revision); exit(STATE_OK); case 'h': /* help */ - print_help(); exit(STATE_OK); case 'v': /* verbose */ - verbose=1; break; case '?': /* help */ - - /*usage("Invalid argument\n");*/ + usage2 (_("Unknown argument"), optarg); break; default: @@ -1148,7 +1081,6 @@ int call_getopt(int argc, char **argv){ } - int validate_arguments(void){ return OK; @@ -1156,12 +1088,7 @@ int validate_arguments(void){ #if defined(__sun__) || defined(__solaris__) || defined(__hpux__) - -/* - * Copyright @2000, 2003 Martin Kompf, martin@kompf.de - * - * Nagios plugins thanks Martin for this code. - */ + /* Kompf 2000-2003 see ACKNOWLEDGEMENTS */ /* get a message from a stream; return type of message */ static int get_msg(int fd) @@ -1195,7 +1122,7 @@ static int check_ctrl(int prim) { dl_error_ack_t *err_ack = (dl_error_ack_t *)ctl_area; if(err_ack->dl_primitive != prim) { - printf("Error: DLPI stream API failed to get MAC in check_ctrl: %s.\n", strerror(errno)); + printf(_("Error: DLPI stream API failed to get MAC in check_ctrl: %s.\n"), strerror(errno)); exit(STATE_UNKNOWN); } return 0; @@ -1206,7 +1133,7 @@ static int put_ctrl(int fd, int len, int pri) { ctl.len = len; if(putmsg(fd, &ctl, 0, pri) < 0) { - printf("Error: DLPI stream API failed to get MAC in put_ctrl/putmsg(): %s.\n", strerror(errno)); + printf(_("Error: DLPI stream API failed to get MAC in put_ctrl/putmsg(): %s.\n"), strerror(errno)); exit(STATE_UNKNOWN); } return 0; @@ -1218,7 +1145,7 @@ static int put_both(int fd, int clen, int dlen, int pri) ctl.len = clen; dat.len = dlen; if(putmsg(fd, &ctl, &dat, pri) < 0) { - printf("Error: DLPI stream API failed to get MAC in put_both/putmsg().\n", strerror(errno)); + printf(_("Error: DLPI stream API failed to get MAC in put_both/putmsg().\n"), strerror(errno)); exit(STATE_UNKNOWN); } return 0; @@ -1229,7 +1156,7 @@ static int dl_open(const char *dev, int unit, int *fd) { dl_attach_req_t *attach_req = (dl_attach_req_t *)ctl_area; if((*fd = open(dev, O_RDWR)) == -1) { - printf("Error: DLPI stream API failed to get MAC in dl_attach_req/open(%s..): %s.\n", dev, strerror(errno)); + printf(_("Error: DLPI stream API failed to get MAC in dl_attach_req/open(%s..): %s.\n"), dev, strerror(errno)); exit(STATE_UNKNOWN); } attach_req->dl_primitive = DL_ATTACH_REQ; @@ -1253,7 +1180,7 @@ static int dl_bind(int fd, int sap, u_char *addr) put_ctrl(fd, sizeof(dl_bind_req_t), 0); get_msg(fd); if (GOT_ERR == check_ctrl(DL_BIND_ACK)) { - printf("Error: DLPI stream API failed to get MAC in dl_bind/check_ctrl(): %s.\n", strerror(errno)); + printf(_("Error: DLPI stream API failed to get MAC in dl_bind/check_ctrl(): %s.\n"), strerror(errno)); exit(STATE_UNKNOWN); } bcopy((u_char *)bind_ack + bind_ack->dl_addr_offset, addr, @@ -1288,5 +1215,47 @@ long mac_addr_dlpi( const char *dev, int unit, u_char *addr) { return -1; } + /* Kompf 2000-2003 */ + #endif + +/* print usage help */ +void print_help(void){ + + print_revision(progname,revision); + + printf("Copyright (c) 2001-2004 Ethan Galstad (nagios@nagios.org)\n\n"); + printf (COPYRIGHT, copyright, email); + + printf(_("This plugin tests the availability of DHCP servers on a network.\n\n")); + + print_usage(); + + printf(_("\ + -s, --serverip=IPADDRESS\n\ + IP address of DHCP server that we must hear from\n\ + -r, --requestedip=IPADDRESS\n\ + IP address that should be offered by at least one DHCP server\n\ + -t, --timeout=INTEGER\n\ + Seconds to wait for DHCPOFFER before timeout occurs\n\ + -i, --interface=STRING\n\ + Interface to to use for listening (i.e. eth0)\n\ + -v, --verbose\n\ + Print extra information (command-line use only)\n\ + -h, --help\n\ + Print detailed help screen\n\ + -V, --version\n\ + Print version information\n")); +} + + +void print_usage(void) +{ + printf("\ +Usage: %s [-s serverip] [-r requestedip] [-t timeout] [-i interface]\n\ + [-v]",progname); +} + + +