diff options
Diffstat (limited to 'libpcap/pcap-snoop.c')
| -rw-r--r-- | libpcap/pcap-snoop.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/libpcap/pcap-snoop.c b/libpcap/pcap-snoop.c deleted file mode 100644 index 2476f42..0000000 --- a/libpcap/pcap-snoop.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Copyright (c) 1993, 1994, 1995, 1996, 1997 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the University of California, - * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of - * the University nor the names of its contributors may be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ -#ifndef lint -static const char rcsid[] = - "@(#) $Header: /cvsroot/ipacct/ipacct/libpcap/Attic/pcap-snoop.c,v 1.1 2001/05/31 13:40:53 gray Exp $ (LBL)"; -#endif - -#if defined(HAVE_CONFIG_H) -# include <config.h> -#endif - -#include <sys/param.h> -#include <sys/file.h> -#include <sys/ioctl.h> -#include <sys/socket.h> -#include <sys/time.h> - -#include <net/raw.h> -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <netinet/if_ether.h> -#include <netinet/ip_var.h> -#include <netinet/udp.h> -#include <netinet/udp_var.h> -#include <netinet/tcp.h> -#include <netinet/tcpip.h> - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <pcap-int.h> - -#include <gnuc.h> -#ifdef HAVE_OS_PROTO_H -#include <os-proto.h> -#endif - -int -pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user) -{ - int cc; - register struct snoopheader *sh; - register int datalen; - register int caplen; - register u_char *cp; - -again: - cc = read(p->fd, (char *)p->buffer, p->bufsize); - if (cc < 0) { - /* Don't choke when we get ptraced */ - switch (errno) { - - case EINTR: - goto again; - - case EWOULDBLOCK: - return (0); /* XXX */ - } - sprintf(p->errbuf, "read: %s", pcap_strerror(errno)); - return (-1); - } - sh = (struct snoopheader *)p->buffer; - datalen = sh->snoop_packetlen; - caplen = (datalen < p->snapshot) ? datalen : p->snapshot; - cp = (u_char *)(sh + 1) + p->offset; /* XXX */ - - if (p->fcode.bf_insns == NULL || - bpf_filter(p->fcode.bf_insns, cp, datalen, caplen)) { - struct pcap_pkthdr h; - ++p->md.stat.ps_recv; - h.ts = sh->snoop_timestamp; - h.len = datalen; - h.caplen = caplen; - (*callback)(user, &h, cp); - return (1); - } - return (0); -} - -int -pcap_stats(pcap_t *p, struct pcap_stat *ps) -{ - register struct rawstats *rs; - struct rawstats rawstats; - - rs = &rawstats; - bzero((char *)rs, sizeof(*rs)); - if (ioctl(p->fd, SIOCRAWSTATS, (char *)rs) < 0) { - sprintf(p->errbuf, "SIOCRAWSTATS: %s", pcap_strerror(errno)); - return (-1); - } - - p->md.stat.ps_drop = - rs->rs_snoop.ss_ifdrops + rs->rs_snoop.ss_sbdrops + - rs->rs_drain.ds_ifdrops + rs->rs_drain.ds_sbdrops; - - *ps = p->md.stat; - return (0); -} - -/* XXX can't disable promiscuous */ -pcap_t * -pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf) -{ - int fd; - struct sockaddr_raw sr; - struct snoopfilter sf; - u_int v; - pcap_t *p; - - p = (pcap_t *)malloc(sizeof(*p)); - if (p == NULL) { - sprintf(ebuf, "malloc: %s", pcap_strerror(errno)); - return (NULL); - } - bzero((char *)p, sizeof(*p)); - fd = socket(PF_RAW, SOCK_RAW, RAWPROTO_SNOOP); - if (fd < 0) { - sprintf(ebuf, "snoop socket: %s", pcap_strerror(errno)); - goto bad; - } - p->fd = fd; - bzero((char *)&sr, sizeof(sr)); - sr.sr_family = AF_RAW; - (void)strncpy(sr.sr_ifname, device, sizeof(sr.sr_ifname)); - if (bind(fd, (struct sockaddr *)&sr, sizeof(sr))) { - sprintf(ebuf, "snoop bind: %s", pcap_strerror(errno)); - goto bad; - } - bzero((char *)&sf, sizeof(sf)); - if (ioctl(fd, SIOCADDSNOOP, &sf) < 0) { - sprintf(ebuf, "SIOCADDSNOOP: %s", pcap_strerror(errno)); - goto bad; - } - v = 64 * 1024; - (void)setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (char *)&v, sizeof(v)); - if (ioctl(fd, SIOCSNOOPLEN, &snaplen) < 0) { - sprintf(ebuf, "SIOCSNOOPLEN: %s", pcap_strerror(errno)); - goto bad; - } - p->snapshot = snaplen; - v = 1; - if (ioctl(fd, SIOCSNOOPING, &v) < 0) { - sprintf(ebuf, "SIOCSNOOPING: %s", pcap_strerror(errno)); - goto bad; - } - /* - * XXX hack - map device name to link layer type - */ - if (strncmp("et", device, 2) == 0 || /* Challenge 10 Mbit */ - strncmp("ec", device, 2) == 0 || /* Indigo/Indy 10 Mbit, - O2 10/100 */ - strncmp("ef", device, 2) == 0 || /* O200/2000 10/100 Mbit */ - strncmp("gfe", device, 3) == 0 || /* GIO 100 Mbit */ - strncmp("fxp", device, 3) == 0 || /* Challenge VME Enet */ - strncmp("ep", device, 2) == 0 || /* Challenge 8x10 Mbit EPLEX */ - strncmp("vfe", device, 3) == 0 || /* Challenge VME 100Mbit */ - strncmp("fa", device, 2) == 0 || - strncmp("qaa", device, 3) == 0) { - p->linktype = DLT_EN10MB; - p->offset = RAW_HDRPAD(sizeof(struct ether_header)); - } else if (strncmp("ipg", device, 3) == 0 || - strncmp("rns", device, 3) == 0 || /* O2/200/2000 FDDI */ - strncmp("xpi", device, 3) == 0) { - p->linktype = DLT_FDDI; - p->offset = 3; /* XXX yeah? */ - } else if (strncmp("ppp", device, 3) == 0) { - p->linktype = DLT_RAW; - } else if (strncmp("lo", device, 2) == 0) { - p->linktype = DLT_NULL; - } else { - sprintf(ebuf, "snoop: unknown physical layer type"); - goto bad; - } - - p->bufsize = 4096; /* XXX */ - p->buffer = (u_char *)malloc(p->bufsize); - if (p->buffer == NULL) { - sprintf(ebuf, "malloc: %s", pcap_strerror(errno)); - goto bad; - } - - return (p); - bad: - (void)close(fd); - free(p); - return (NULL); -} - -int -pcap_setfilter(pcap_t *p, struct bpf_program *fp) -{ - - p->fcode = *fp; - return (0); -} |