From edf526c1769299f6bd1f30d58b866e5066f5f280 Mon Sep 17 00:00:00 2001 From: octo Date: Mon, 8 May 2006 15:11:27 +0000 Subject: [PATCH] Removed `trunk/src/libping/', since it's obsolete. --- src/libping/ping.c | 337 --------------------------------------------- 1 file changed, 337 deletions(-) delete mode 100644 src/libping/ping.c diff --git a/src/libping/ping.c b/src/libping/ping.c deleted file mode 100644 index 8c6f9d7e..00000000 --- a/src/libping/ping.c +++ /dev/null @@ -1,337 +0,0 @@ -/** - * PING module - * - * Copyright (C) 2001 Jeffrey Fulmer - * This file is part of LIBPING - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -#include -#include -#include -#include -#include -#include -#include - -#define MAXPACKET 65535 -#define PKTSIZE 64 -#define HDRLEN ICMP_MINLEN -#define DATALEN (PKTSIZE-HDRLEN) -#define MAXDATA (MAXPKT-HDRLEN-TIMLEN) -#define DEF_TIMEOUT 5 - -#include "private.h" - -void -JOEfreeprotoent( struct protoent *p ) -{ - char **a; - free( p->p_name ); - if( p->p_aliases != NULL ){ - for( a = p->p_aliases; *a != NULL; a++ ){ - free( *a ); - } - } - free( p ); -} - -void -JOEfreehostent( struct hostent *h ) -{ - char **p; - - free( h->h_name ); - if( h->h_aliases != NULL ){ - for( p = h->h_aliases; *p != NULL; ++p ) - free( *p ); - free( h->h_aliases ); - } - if( h->h_addr_list != NULL ){ - for( p = h->h_addr_list; *p != NULL; ++p ) - free( *p ); - free (h->h_addr_list); - } - free( h ); -} - -static int -in_checksum( u_short *buf, int len ) -{ - register long sum = 0; - u_short answer = 0; - - while( len > 1 ){ - sum += *buf++; - len -= 2; - } - - if( len == 1 ){ - *( u_char* )( &answer ) = *( u_char* )buf; - sum += answer; - } - sum = ( sum >> 16 ) + ( sum & 0xffff ); - sum += ( sum >> 16 ); - answer = ~sum; - - return ( answer ); - -} - -static int -send_ping( const char *host, struct sockaddr_in *taddr, struct ping_priv * datum ) -{ - int len; - int ss; - unsigned char buf[ HDRLEN + DATALEN ]; - - const int proto_buf_len = 1024; - char proto_buf[proto_buf_len]; - struct protoent *proto = NULL; - struct protoent proto_datum; - - struct hostent *hp = NULL; - struct hostent hent; - int herrno; - char hbf[9000]; -#if defined(_AIX) - char *aixbuf; - char *probuf; - int rc; -#endif/*_AIX*/ - - struct icmp *icp; - unsigned short last; - - len = HDRLEN + DATALEN; - -#if defined(__GLIBC__) - /* for systems using GNU libc */ - getprotobyname_r("icmp", &proto_datum, proto_buf, proto_buf_len, &proto); - if(( gethostbyname_r( host, &hent, hbf, sizeof(hbf), &hp, &herrno ) < 0 )){ - hp = NULL; - } -#elif defined(sun) - /* Solaris 5++ */ - proto = getprotobyname_r("icmp", &proto_datum, proto_buf, proto_buf_len); - hp = gethostbyname_r( host, &hent, hbf, sizeof(hbf), &herrno ); -#elif defined(_AIX) - aixbuf = (char*)xmalloc( 9000 ); - probuf = (char*)xmalloc( 9000 ); - rc = getprotobyname_r( "icmp", &proto, - ( struct protoent_data *)(probuf + sizeof( struct protoent))); - rc = gethostbyname_r ( host, (struct hostent *)aixbuf, - (struct hostent_data *)(aixbuf + sizeof(struct hostent))); - hp = (struct hostent*)aixbuf; -#elif ( defined(hpux) || defined(__osf__) ) - proto = getprotobyname( "icmp" ); - hp = gethostbyname( host ); - herrno = h_errno; -#else - /* simply hoping that get*byname is thread-safe */ - proto = getprotobyname( "icmp" ); - hp = gethostbyname( host ); - herrno = h_errno; -#endif/*OS SPECIFICS*/ - - if( proto == NULL ) { - return -1; - } - - if(hp != NULL ){ - memcpy( &taddr->sin_addr, hp->h_addr_list[0], sizeof( taddr->sin_addr )); - taddr->sin_port = 0; - taddr->sin_family = AF_INET; - } - else if( inet_aton( host, &taddr->sin_addr ) == 0 ){ - return -1; - } - - last = ntohl( taddr->sin_addr.s_addr ) & 0xFF; - if(( last == 0x00 ) || ( last == 0xFF )){ - return -1; - } - - if(( datum->sock = socket( AF_INET, SOCK_RAW, proto->p_proto )) < 0 ){ -#ifdef DEBUG - perror( "sock" ); -#endif/*DEBUG*/ - return -2; - } - - memset(buf, 0, sizeof(buf)); - icp = (struct icmp *)buf; - icp->icmp_type = ICMP_ECHO; - icp->icmp_code = 0; - icp->icmp_cksum = 0; - icp->icmp_id = getpid() & 0xFFFF; - icp->icmp_seq = icp->icmp_id; /* FIXME this is not nice.. */ - icp->icmp_cksum = in_checksum((u_short *)icp, len ); - - if(( ss = sendto( datum->sock, buf, sizeof( buf ), 0, - (struct sockaddr*)taddr, sizeof( *taddr ))) < 0 ){ -#ifdef DEBUG - perror( "sock" ); -#endif/*DEBUG*/ - return -2; - } - if( ss != len ){ -#ifdef DEBUG - perror( "malformed packet" ); -#endif/*DEBUG*/ - return -2; - } - -#if defined(_AIX) - free( aixbuf ); - free( probuf ); -#endif - /* JOEfreeprotoent( proto ); */ - /* JOEfreeprotoent( &proto_datum ); */ - /* JOEfreehostent( hp ); */ - /* JOEfreehostent( &hent ); */ - return 0; -} - -static int -recv_ping( struct sockaddr_in *taddr, struct ping_priv * datum ) -{ - int len; - socklen_t from; - int nf, cc; - unsigned char buf[ HDRLEN + DATALEN ]; - struct icmp *icp; - struct sockaddr_in faddr; - struct timeval to; - fd_set readset; - - to.tv_sec = datum->timo / 100000; - to.tv_usec = ( datum->timo - ( to.tv_sec * 100000 ) ) * 10; - - FD_ZERO( &readset ); - FD_SET( datum->sock, &readset ); - /* we use select to see if there is any activity - on the socket. If not, then we've requested an - unreachable network and we'll time out here. */ - if(( nf = select( datum->sock + 1, &readset, NULL, NULL, &to )) < 0 ){ - datum->rrt = -4; -#ifdef DEBUG - perror( "select" ); -#endif/*DEBUG*/ - return 0; - } - if( nf == 0 ){ - return -1; - } - - len = HDRLEN + DATALEN; - from = sizeof( faddr ); - - cc = recvfrom( datum->sock, buf, len, 0, (struct sockaddr*)&faddr, &from ); - if( cc < 0 ){ - datum->rrt = -4; -#ifdef DEBUG - perror( "recvfrom" ); -#endif/*DEBUG*/ - return 0; - } - - icp = (struct icmp *)(buf + HDRLEN + DATALEN ); - if( faddr.sin_addr.s_addr != taddr->sin_addr.s_addr ){ - return 1; - } - /***** - if( icp->icmp_id != ( getpid() & 0xFFFF )){ - printf( "id: %d\n", icp->icmp_id ); - return 1; - } - *****/ - return 0; -} - -int -myping( const char *hostname, int t , struct ping_priv * datum) -{ - int err; - int rrt; - struct sockaddr_in sa; - struct timeval mytime; - - datum->ident = getpid() & 0xFFFF; - - if( t == 0 ) datum->timo = 2; - else datum->timo = t; - - datum->rrt = 0; - - (void) gettimeofday( &mytime, (struct timezone *)NULL); - if(( err = send_ping( hostname, &sa, datum)) < 0 ){ - close( datum->sock ); - return err; - } - do { - rrt = elapsed_time( &mytime ); - if (datum->rrt < 0) - return 0; - datum->rrt = rrt; - if (datum->rrt > datum->timo * 1000 ) { - close( datum->sock ); - return 0; - } - } while( recv_ping( &sa, datum )); - close( datum->sock ); - - return 1; -} - -int -pinghost( const char *hostname ) -{ - struct ping_priv datum = ping_priv_default(); - return myping( hostname, 0, &datum ); -} - -int -pingthost( const char *hostname, int t ) -{ - struct ping_priv datum = ping_priv_default(); - return myping( hostname, t, &datum ); -} - -int -tpinghost( const char *hostname ) -{ - int ret; - struct ping_priv datum = ping_priv_default(); - - ret = myping( hostname, 0, &datum ); - if(ret > 0 ) - ret = datum.rrt; - return ret; -} - -int -tpingthost( const char *hostname, int t ) -{ - int ret; - struct ping_priv datum = ping_priv_default(); - - ret = myping( hostname, t, &datum ); - if(ret > 0 ) - ret = datum.rrt; - return ret; -} - -- 2.30.2