diff options
author | John Crispin <blogic@openwrt.org> | 2007-06-02 23:17:43 +0000 |
---|---|---|
committer | John Crispin <blogic@openwrt.org> | 2007-06-02 23:17:43 +0000 |
commit | 2b5b9c914effa674a811c96e4bd79e2d737022cc (patch) | |
tree | 855df2373eccb8c4cf99fa780bbf5ec7edbb5d31 /target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c | |
parent | 7c6f7b805a57b60852eeffdf2c611327ab3b90d3 (diff) | |
download | upstream-2b5b9c914effa674a811c96e4bd79e2d737022cc.tar.gz upstream-2b5b9c914effa674a811c96e4bd79e2d737022cc.tar.bz2 upstream-2b5b9c914effa674a811c96e4bd79e2d737022cc.zip |
the etrax bootloader tools source was added on initial merge, it is now sitting on the acme site, source should not be in this folder
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7465 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c')
-rw-r--r-- | target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c b/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c deleted file mode 100644 index f3c79b2722..0000000000 --- a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/pcap-nit.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996 - * 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: /usr/local/cvs/linux/tools/build/e100boot/libpcap-0.4/pcap-nit.c,v 1.1 1999/08/26 10:05:24 johana Exp $ (LBL)"; -#endif - -#include <sys/types.h> -#include <sys/time.h> -#include <sys/timeb.h> -#include <sys/file.h> -#include <sys/ioctl.h> -#include <sys/socket.h> - -#include <net/if.h> -#include <net/nit.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 <ctype.h> -#include <errno.h> -#include <stdio.h> - -#include "pcap-int.h" - -#include "gnuc.h" -#ifdef HAVE_OS_PROTO_H -#include "os-proto.h" -#endif - -/* - * The chunk size for NIT. This is the amount of buffering - * done for read calls. - */ -#define CHUNKSIZE (2*1024) - -/* - * The total buffer space used by NIT. - */ -#define BUFSPACE (4*CHUNKSIZE) - -/* Forwards */ -static int nit_setflags(int, int, int, char *); - -int -pcap_stats(pcap_t *p, struct pcap_stat *ps) -{ - - *ps = p->md.stat; - return (0); -} - -int -pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user) -{ - register int cc, n; - register struct bpf_insn *fcode = p->fcode.bf_insns; - register u_char *bp, *cp, *ep; - register struct nit_hdr *nh; - register int caplen; - - cc = p->cc; - if (cc == 0) { - cc = read(p->fd, (char *)p->buffer, p->bufsize); - if (cc < 0) { - if (errno == EWOULDBLOCK) - return (0); - sprintf(p->errbuf, "pcap_read: %s", - pcap_strerror(errno)); - return (-1); - } - bp = p->buffer; - } else - bp = p->bp; - - /* - * Loop through each packet. The increment expression - * rounds up to the next int boundary past the end of - * the previous packet. - */ - n = 0; - ep = bp + cc; - while (bp < ep) { - nh = (struct nit_hdr *)bp; - cp = bp + sizeof(*nh); - - switch (nh->nh_state) { - - case NIT_CATCH: - break; - - case NIT_NOMBUF: - case NIT_NOCLUSTER: - case NIT_NOSPACE: - p->md.stat.ps_drop = nh->nh_dropped; - continue; - - case NIT_SEQNO: - continue; - - default: - sprintf(p->errbuf, "bad nit state %d", nh->nh_state); - return (-1); - } - ++p->md.stat.ps_recv; - bp += ((sizeof(struct nit_hdr) + nh->nh_datalen + - sizeof(int) - 1) & ~(sizeof(int) - 1)); - - caplen = nh->nh_wirelen; - if (caplen > p->snapshot) - caplen = p->snapshot; - if (bpf_filter(fcode, cp, nh->nh_wirelen, caplen)) { - struct pcap_pkthdr h; - h.ts = nh->nh_timestamp; - h.len = nh->nh_wirelen; - h.caplen = caplen; - (*callback)(user, &h, cp); - if (++n >= cnt && cnt >= 0) { - p->cc = ep - bp; - p->bp = bp; - return (n); - } - } - } - p->cc = 0; - return (n); -} - -static int -nit_setflags(int fd, int promisc, int to_ms, char *ebuf) -{ - struct nit_ioc nioc; - - bzero((char *)&nioc, sizeof(nioc)); - nioc.nioc_bufspace = BUFSPACE; - nioc.nioc_chunksize = CHUNKSIZE; - nioc.nioc_typetomatch = NT_ALLTYPES; - nioc.nioc_snaplen = p->snapshot; - nioc.nioc_bufalign = sizeof(int); - nioc.nioc_bufoffset = 0; - - if (to_ms != 0) { - nioc.nioc_flags |= NF_TIMEOUT; - nioc.nioc_timeout.tv_sec = to_ms / 1000; - nioc.nioc_timeout.tv_usec = (to_ms * 1000) % 1000000; - } - if (promisc) - nioc.nioc_flags |= NF_PROMISC; - - if (ioctl(fd, SIOCSNIT, &nioc) < 0) { - sprintf(ebuf, "SIOCSNIT: %s", pcap_strerror(errno)); - return (-1); - } - return (0); -} - -pcap_t * -pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf) -{ - int fd; - struct sockaddr_nit snit; - register pcap_t *p; - - p = (pcap_t *)malloc(sizeof(*p)); - if (p == NULL) { - strcpy(ebuf, pcap_strerror(errno)); - return (NULL); - } - - if (snaplen < 96) - /* - * NIT requires a snapshot length of at least 96. - */ - snaplen = 96; - - bzero(p, sizeof(*p)); - p->fd = fd = socket(AF_NIT, SOCK_RAW, NITPROTO_RAW); - if (fd < 0) { - sprintf(ebuf, "socket: %s", pcap_strerror(errno)); - goto bad; - } - snit.snit_family = AF_NIT; - (void)strncpy(snit.snit_ifname, device, NITIFSIZ); - - if (bind(fd, (struct sockaddr *)&snit, sizeof(snit))) { - sprintf(ebuf, "bind: %s: %s", snit.snit_ifname, - pcap_strerror(errno)); - goto bad; - } - p->snapshot = snaplen; - nit_setflags(p->fd, promisc, to_ms, ebuf); - - /* - * NIT supports only ethernets. - */ - p->linktype = DLT_EN10MB; - - p->bufsize = BUFSPACE; - p->buffer = (u_char *)malloc(p->bufsize); - if (p->buffer == NULL) { - strcpy(ebuf, pcap_strerror(errno)); - goto bad; - } - return (p); - bad: - if (fd >= 0) - close(fd); - free(p); - return (NULL); -} - -int -pcap_setfilter(pcap_t *p, struct bpf_program *fp) -{ - - p->fcode = *fp; - return (0); -} |