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authorcy <cy@FreeBSD.org>2013-07-19 05:41:57 +0000
committercy <cy@FreeBSD.org>2013-07-19 05:41:57 +0000
commit672af8808c0e7c15f330b401482f9271c2eb3fa6 (patch)
tree225b5acf68c01bc6a260b386c2b2dbf4fa2839e3 /contrib/ipfilter/lib/ipft_pc.c
parent71e82d94e82560b20789833f60056506de34de8b (diff)
downloadFreeBSD-src-672af8808c0e7c15f330b401482f9271c2eb3fa6.zip
FreeBSD-src-672af8808c0e7c15f330b401482f9271c2eb3fa6.tar.gz
As per the developers handbook (5.3.1 step 1), prepare the vendor trees for
import of new ipfilter vendor sources by flattening them. To keep the tags consistent with dist, the tags are also flattened. Approved by: glebius (Mentor)
Diffstat (limited to 'contrib/ipfilter/lib/ipft_pc.c')
-rw-r--r--contrib/ipfilter/lib/ipft_pc.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/contrib/ipfilter/lib/ipft_pc.c b/contrib/ipfilter/lib/ipft_pc.c
deleted file mode 100644
index fbfe6b0..0000000
--- a/contrib/ipfilter/lib/ipft_pc.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * Copyright (C) 2000-2005 by Darren Reed.
- *
- * See the IPFILTER.LICENCE file for details on licencing.
- *
- * $Id: ipft_pc.c,v 1.10.2.2 2006/06/16 17:21:03 darrenr Exp $
- */
-#include "ipf.h"
-#include "pcap-ipf.h"
-#include "bpf-ipf.h"
-#include "ipt.h"
-
-#if !defined(lint)
-static const char rcsid[] = "@(#)$Id: ipft_pc.c,v 1.10.2.2 2006/06/16 17:21:03 darrenr Exp $";
-#endif
-
-struct llc {
- int lc_type;
- int lc_sz; /* LLC header length */
- int lc_to; /* LLC Type offset */
- int lc_tl; /* LLC Type length */
-};
-
-/*
- * While many of these maybe the same, some do have different header formats
- * which make this useful.
- */
-
-static struct llc llcs[] = {
- { DLT_NULL, 0, 0, 0 },
- { DLT_EN10MB, 14, 12, 2 },
- { DLT_EN3MB, 0, 0, 0 },
- { DLT_AX25, 0, 0, 0 },
- { DLT_PRONET, 0, 0, 0 },
- { DLT_CHAOS, 0, 0, 0 },
- { DLT_IEEE802, 0, 0, 0 },
- { DLT_ARCNET, 0, 0, 0 },
- { DLT_SLIP, 0, 0, 0 },
- { DLT_PPP, 0, 0, 0 },
- { DLT_FDDI, 0, 0, 0 },
-#ifdef DLT_ATMRFC1483
- { DLT_ATMRFC1483, 0, 0, 0 },
-#endif
- { DLT_RAW, 0, 0, 0 },
-#ifdef DLT_ENC
- { DLT_ENC, 0, 0, 0 },
-#endif
-#ifdef DLT_SLIP_BSDOS
- { DLT_SLIP_BSDOS, 0, 0, 0 },
-#endif
-#ifdef DLT_PPP_BSDOS
- { DLT_PPP_BSDOS, 0, 0, 0 },
-#endif
-#ifdef DLT_HIPPI
- { DLT_HIPPI, 0, 0, 0 },
-#endif
-#ifdef DLT_HDLC
- { DLT_HDLC, 0, 0, 0 },
-#endif
-#ifdef DLT_PPP_SERIAL
- { DLT_PPP_SERIAL, 4, 4, 0 },
-#endif
-#ifdef DLT_PPP_ETHER
- { DLT_PPP_ETHER, 8, 8, 0 },
-#endif
-#ifdef DLT_ECONET
- { DLT_ECONET, 0, 0, 0 },
-#endif
- { -1, -1, -1, -1 }
-};
-
-static int pcap_open __P((char *));
-static int pcap_close __P((void));
-static int pcap_readip __P((char *, int, char **, int *));
-static void swap_hdr __P((pcaphdr_t *));
-static int pcap_read_rec __P((struct pcap_pkthdr *));
-
-static int pfd = -1, swapped = 0;
-static struct llc *llcp = NULL;
-
-struct ipread pcap = { pcap_open, pcap_close, pcap_readip, 0 };
-
-#define SWAPLONG(y) \
- ((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff))
-#define SWAPSHORT(y) \
- ( (((y)&0xff)<<8) | (((y)&0xff00)>>8) )
-
-static void swap_hdr(p)
-pcaphdr_t *p;
-{
- p->pc_v_maj = SWAPSHORT(p->pc_v_maj);
- p->pc_v_min = SWAPSHORT(p->pc_v_min);
- p->pc_zone = SWAPLONG(p->pc_zone);
- p->pc_sigfigs = SWAPLONG(p->pc_sigfigs);
- p->pc_slen = SWAPLONG(p->pc_slen);
- p->pc_type = SWAPLONG(p->pc_type);
-}
-
-static int pcap_open(fname)
-char *fname;
-{
- pcaphdr_t ph;
- int fd, i;
-
- if (pfd != -1)
- return pfd;
-
- if (!strcmp(fname, "-"))
- fd = 0;
- else if ((fd = open(fname, O_RDONLY)) == -1)
- return -1;
-
- if (read(fd, (char *)&ph, sizeof(ph)) != sizeof(ph))
- return -2;
-
- if (ph.pc_id != TCPDUMP_MAGIC) {
- if (SWAPLONG(ph.pc_id) != TCPDUMP_MAGIC) {
- (void) close(fd);
- return -2;
- }
- swapped = 1;
- swap_hdr(&ph);
- }
-
- if (ph.pc_v_maj != PCAP_VERSION_MAJ) {
- (void) close(fd);
- return -2;
- }
-
- for (i = 0; llcs[i].lc_type != -1; i++)
- if (llcs[i].lc_type == ph.pc_type) {
- llcp = llcs + i;
- break;
- }
-
- if (llcp == NULL) {
- (void) close(fd);
- return -2;
- }
-
- pfd = fd;
- printf("opened pcap file %s:\n", fname);
- printf("\tid: %08x version: %d.%d type: %d snap %d\n",
- ph.pc_id, ph.pc_v_maj, ph.pc_v_min, ph.pc_type, ph.pc_slen);
-
- return fd;
-}
-
-
-static int pcap_close()
-{
- return close(pfd);
-}
-
-
-/*
- * read in the header (and validate) which should be the first record
- * in a pcap file.
- */
-static int pcap_read_rec(rec)
-struct pcap_pkthdr *rec;
-{
- int n, p, i;
- char *s;
-
- s = (char *)rec;
- n = sizeof(*rec);
-
- while (n > 0) {
- i = read(pfd, (char *)rec, sizeof(*rec));
- if (i <= 0)
- return -2;
- s += i;
- n -= i;
- }
-
- if (swapped) {
- rec->ph_clen = SWAPLONG(rec->ph_clen);
- rec->ph_len = SWAPLONG(rec->ph_len);
- rec->ph_ts.tv_sec = SWAPLONG(rec->ph_ts.tv_sec);
- rec->ph_ts.tv_usec = SWAPLONG(rec->ph_ts.tv_usec);
- }
- p = rec->ph_clen;
- n = MIN(p, rec->ph_len);
- if (!n || n < 0)
- return -3;
-
- if (p < 0 || p > 65536)
- return -4;
- return p;
-}
-
-
-#ifdef notyet
-/*
- * read an entire pcap packet record. only the data part is copied into
- * the available buffer, with the number of bytes copied returned.
- */
-static int pcap_read(buf, cnt)
-char *buf;
-int cnt;
-{
- struct pcap_pkthdr rec;
- static char *bufp = NULL;
- int i, n;
-
- if ((i = pcap_read_rec(&rec)) <= 0)
- return i;
-
- if (!bufp)
- bufp = malloc(i);
- else
- bufp = realloc(bufp, i);
-
- if (read(pfd, bufp, i) != i)
- return -2;
-
- n = MIN(i, cnt);
- bcopy(bufp, buf, n);
- return n;
-}
-#endif
-
-
-/*
- * return only an IP packet read into buf
- */
-static int pcap_readip(buf, cnt, ifn, dir)
-char *buf, **ifn;
-int cnt, *dir;
-{
- static char *bufp = NULL;
- struct pcap_pkthdr rec;
- struct llc *l;
- char *s, ty[4];
- int i, j, n;
-
- l = llcp;
-
- /* do { */
- if ((i = pcap_read_rec(&rec)) <= 0)
- return i;
-
- if (!bufp)
- bufp = malloc(i);
- else
- bufp = realloc(bufp, i);
- s = bufp;
-
- for (j = i, n = 0; j > 0; ) {
- n = read(pfd, s, j);
- if (n <= 0)
- return -2;
- j -= n;
- s += n;
- }
- s = bufp;
-
- i -= l->lc_sz;
- s += l->lc_to;
- bcopy(s, ty, l->lc_tl);
- s += l->lc_tl;
- /* } while (ty[0] != 0x8 && ty[1] != 0); */
- n = MIN(i, cnt);
- bcopy(s, buf, n);
- return n;
-}
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