--- /dev/null
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 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: /tcpdump/master/tcpdump/Attic/print-lcp.c,v 1.1 1999-11-21 03:54:24 assar Exp $ (LBL)";
+#endif
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+#if __STDC__
+struct mbuf;
+struct rtentry;
+#endif
+#include <net/if.h>
+
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h" /* must come after interface.h */
+#include "ppp.h"
+
+/* Codes */
+enum {
+ LCP_CONFREQ = 1,
+ LCP_CONFACK = 2,
+ LCP_CONFNAK = 3,
+ LCP_CONFREJ = 4,
+ LCP_TERMREQ = 5,
+ LCP_TERMACK = 6,
+ LCP_CODEREJ = 7,
+ LCP_PROTREJ = 8,
+ LCP_ECHOREQ = 9,
+ LCP_ECHOREP = 10,
+ LCP_DISCARD = 11
+};
+
+static struct tok lcpcode2str[] = {
+ { LCP_CONFREQ, "ConfReq" },
+ { LCP_CONFACK, "ConfAck" },
+ { LCP_CONFNAK, "ConfNak" },
+ { LCP_CONFREJ, "ConfRej" },
+ { LCP_TERMREQ, "TermReq" },
+ { LCP_TERMACK, "TermAck" },
+ { LCP_CODEREJ, "CodeRej" },
+ { LCP_PROTREJ, "ProtRej" },
+ { LCP_ECHOREQ, "EchoReq" },
+ { LCP_ECHOREP, "EchoRep" },
+ { LCP_DISCARD, "Discard" },
+ { 0, NULL }
+};
+
+
+enum {
+ LCP_RESERVED = 0,
+ LCP_MRU = 1,
+ LCP_ASYNCMAP = 2,
+ LCP_AUTHPROTO = 3,
+ LCP_QUALPROTO = 4,
+ LCP_MAGICNUM = 5,
+ LCP_PCOMP = 7,
+ LCP_ACFCOMP = 8,
+ LCP_CALLBACK = 13
+};
+
+static struct tok lcpoption2str[] = {
+ { LCP_RESERVED, "reserved"},
+ { LCP_MRU, "mru"},
+ { LCP_ASYNCMAP, "asyncmap"},
+ { LCP_AUTHPROTO, "auth"},
+ { LCP_QUALPROTO, "qual"},
+ { LCP_MAGICNUM, "magic"},
+ { LCP_PCOMP, "pcomp"},
+ { LCP_ACFCOMP, "acfcomp"},
+ { LCP_CALLBACK, "callback"},
+ { 0, NULL }
+};
+
+static struct tok lcpauth2str[] = {
+ {0xc023, "PAP"},
+ {0xc223, "CHAP"},
+ { 0, NULL }
+};
+
+static struct tok lcpqual2str[] = {
+ {0xc025, "LQR"},
+ { 0, NULL }
+};
+
+static struct tok lcpchap2str[] = {
+ {0x05, "MD5"},
+ {0x80, "MS"},
+ { 0, NULL }
+};
+
+void
+lcp_print(register const u_char *bp, u_int length, u_int caplen)
+{
+ u_short lcp_code, lcp_id, lcp_length;
+ const u_char *lcp_data;
+
+ lcp_data = bp+4;
+
+ if (snapend < lcp_data) {
+ printf(" [LCP|]");
+ return;
+ }
+
+ lcp_code = bp[0];
+ lcp_id = bp[1];
+ lcp_length = EXTRACT_16BITS(bp+2);
+
+ printf("LCP %s id=0x%x", tok2str(lcpcode2str, "LCP-#%d", lcp_code), lcp_id);
+
+ switch(lcp_code) {
+ case LCP_CONFREQ:
+ case LCP_CONFACK:
+ case LCP_CONFNAK:
+ case LCP_CONFREJ:
+ /* Print Options */
+ {
+ u_char lcpopt_type, lcpopt_length;
+ const u_char *p=lcp_data;
+ while (p+2 < lcp_data+lcp_length && p+2 < snapend) {
+ lcpopt_type = p[0];
+ lcpopt_length = p[1];
+ p+=2;
+ printf(" <%s ",tok2str(lcpoption2str, "option-#%d", lcpopt_type), lcpopt_length);
+ if (lcpopt_length)
+ switch (lcpopt_type) {
+ case LCP_MRU:
+ if (snapend < p+2) return;
+ printf("%d",ntohs(*(u_short*)p));
+ if (lcpopt_length != 4) printf(" len=%d!",lcpopt_length);
+ break;
+ case LCP_AUTHPROTO:
+ if (snapend < p+2) return;
+ printf("%s",tok2str(lcpauth2str, "AUTH-%#x", ntohs(*(u_short*)p)));
+ if (lcpopt_length < 4) printf(" len=%d!",lcpopt_length);
+ if (lcpopt_length >= 5 && p < snapend)
+ printf(" %s",tok2str(lcpchap2str, "%#x", p[0]));
+ break;
+ case LCP_QUALPROTO:
+ if (snapend < p+2) return;
+ printf("%s",tok2str(lcpqual2str, "QUAL-%#x", ntohs(*(u_short*)p)));
+ if (lcpopt_length < 4) printf(" len=%d!",lcpopt_length);
+ /* Print data field of auth? */
+ break;
+ case LCP_ASYNCMAP:
+ case LCP_MAGICNUM:
+ if (snapend < p+4) return;
+ printf("%#x",ntohl(*(u_long*)p));
+ if (lcpopt_length != 6) printf(" len=%d!",lcpopt_length);
+ break;
+ case LCP_PCOMP:
+ case LCP_ACFCOMP:
+ case LCP_RESERVED:
+ if (lcpopt_length != 2) printf(" len=%d!",lcpopt_length);
+ break;
+ default:
+ if (lcpopt_length != 2) printf(" len=%d",lcpopt_length);
+ break;
+ }
+ printf(">");
+ p+=lcpopt_length-2;
+ }
+ }
+ break;
+ case LCP_ECHOREQ:
+ case LCP_ECHOREP:
+ case LCP_DISCARD:
+ if (snapend < lcp_data+4) return;
+ printf(" magic=%#x", ntohl(*(u_long *) lcp_data));
+ lcp_data +=4;
+ break;
+ case LCP_PROTREJ:
+ if (snapend < lcp_data+2) return;
+ printf(" prot=%s", tok2str(ppptype2str, "PROT-%#x", ntohs(*(u_short *) lcp_data)));
+ /* TODO print rejected packet too ? */
+ break;
+ case LCP_CODEREJ:
+ if (snapend < lcp_data+4) return;
+ printf(" ");
+ /* XXX What's caplen? (lcp_print doesn't use it so it doesn't matter here) */
+ lcp_print(lcp_data, (lcp_length+lcp_data > snapend ? snapend-lcp_data : lcp_length), 0);
+ break;
+ case LCP_TERMREQ:
+ case LCP_TERMACK:
+ break;
+ default:
+ break;
+ }
+
+ return;
+}
--- /dev/null
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 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: /tcpdump/master/tcpdump/print-pppoe.c,v 1.1 1999-11-21 03:54:24 assar Exp $ (LBL)";
+#endif
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+#if __STDC__
+struct mbuf;
+struct rtentry;
+#endif
+#include <net/if.h>
+
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+
+#ifdef HAVE_MEMORY_H
+#include <memory.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "ppp.h"
+#include "ethertype.h"
+#include "extract.h" /* must come after interface.h */
+
+/* Codes */
+enum {
+ PPPOE_PADI = 0x09,
+ PPPOE_PADO = 0x07,
+ PPPOE_PADR = 0x19,
+ PPPOE_PADS = 0x65,
+ PPPOE_PADT = 0xa7
+};
+
+static struct tok pppoecode2str[] = {
+ { PPPOE_PADI, "PADI"},
+ { PPPOE_PADO, "PADO"},
+ { PPPOE_PADR, "PADR"},
+ { PPPOE_PADS, "PADS"},
+ { PPPOE_PADT, "PADT"},
+ { 0, ""}, /* PPP Data */
+ { 0, NULL }
+};
+
+/* Tags */
+enum {
+ PPPOE_EOL = 0,
+ PPPOE_SERVICE_NAME = 0x0101,
+ PPPOE_AC_NAME = 0x0102,
+ PPPOE_HOST_UNIQ = 0x0103,
+ PPPOE_AC_COOKIE = 0x0104,
+ PPPOE_VENDOR = 0x0105,
+ PPPOE_RELAY_SID = 0x0110,
+ PPPOE_SERVICE_NAME_ERROR = 0x0201,
+ PPPOE_AC_SYSTEM_ERROR = 0x0202,
+ PPPOE_GENERIC_ERROR = 0x0203,
+};
+
+static struct tok pppoetag2str[] = {
+ { PPPOE_EOL, "EOL"},
+ { PPPOE_SERVICE_NAME, "Service-Name" },
+ { PPPOE_AC_NAME, "AC-Name" },
+ { PPPOE_HOST_UNIQ, "Host-Uniq" },
+ { PPPOE_AC_COOKIE, "AC-Cookie" },
+ { PPPOE_VENDOR, "Vendor-Specific" },
+ { PPPOE_RELAY_SID, "Relay-Session-ID" },
+ { PPPOE_SERVICE_NAME_ERROR, "Service-Name-Error" },
+ { PPPOE_AC_SYSTEM_ERROR, "AC-System-Error" },
+ { PPPOE_GENERIC_ERROR, "Generic-Error" },
+ { 0, NULL}
+};
+
+#define PPPOE_HDRLEN 6
+
+void
+pppoe_print(register const u_char *bp, u_int length, u_int caplen)
+{
+ register const struct ether_header *eh;
+ register u_short pppoe_ver, pppoe_type, pppoe_code, pppoe_sessionid, pppoe_length;
+ const u_char *pppoe_packet, *pppoe_payload;
+
+ eh = (struct ether_header *)packetp;
+ pppoe_packet = packetp+sizeof(struct ether_header);
+ if (pppoe_packet > snapend) {
+ printf("[|pppoe]");
+ return;
+ }
+
+ pppoe_ver = (pppoe_packet[0]&0xF0)>>4;
+ pppoe_type = (pppoe_packet[0]&0x0F);
+ pppoe_code = (pppoe_packet[1]);
+ pppoe_sessionid = (EXTRACT_16BITS(pppoe_packet+2));
+ pppoe_length = (EXTRACT_16BITS(pppoe_packet+4));
+ pppoe_payload = pppoe_packet+6;
+
+ if (snapend < pppoe_payload) {
+ printf(" truncated PPPoE");
+ return;
+ }
+
+ if (pppoe_ver != 1) {
+ printf(" [ver %d]",pppoe_ver);
+ }
+ if (pppoe_type != 1) {
+ printf(" [type %d]",pppoe_type);
+ }
+
+ printf("PPPoE %s", tok2str(pppoecode2str, "PAD-%x", pppoe_code));
+ if (pppoe_code == PPPOE_PADI && pppoe_length > 1484-PPPOE_HDRLEN) {
+ printf(" [len %d!]",pppoe_length);
+ }
+ if (pppoe_sessionid) {
+ printf(" [ses 0x%x]",pppoe_sessionid);
+ }
+
+ if (pppoe_payload + pppoe_length < snapend) {
+ /*
+ printf(" [length %d (%d extra bytes)]", pppoe_length, snapend-pppoe_payload-pppoe_length);
+ {
+ const u_char *x = pppoe_payload+pppoe_length;
+ default_print(x, snapend - x);
+ }
+ */
+ snapend = pppoe_payload+pppoe_length;
+ }
+
+
+ if (pppoe_code) {
+ /* PPP session packets don't contain tags */
+ u_short tag_type = -1, tag_len;
+ const u_char *p = pppoe_payload;
+
+ /* loop invariant:
+ p points to next tag,
+ tag_type is previous tag or -1 for first iteration
+ */
+ while (tag_type &&
+ p+4 < pppoe_payload + length &&
+ p+4 < snapend) {
+ tag_type = EXTRACT_16BITS(p);
+ tag_len = EXTRACT_16BITS(p+2);
+ p += 4;
+ /* p points to tag_value */
+
+ if (tag_len) {
+ int isascii = 1;
+ const u_char *v = p;
+
+ for (v=p; v<p+tag_len; v++)
+ if (*v >= 127 || *v < 32) {
+ isascii = 0;
+ break;
+ }
+
+ /* TODO print UTF8 decoded text */
+ if (isascii)
+ printf(" [%s \"%*.*s\"]",
+ tok2str(pppoetag2str, "TAG-0x%x", tag_type),
+ tag_len < 80 ? tag_len : 80,
+ tag_len < 80 ? tag_len : 80,
+ p
+ );
+ else
+ printf(" [%s UTF8]", tok2str(pppoetag2str, "TAG-0x%x", tag_type));
+ } else
+ printf(" [%s]", tok2str(pppoetag2str, "TAG-0x%x", tag_type));
+
+ p += tag_len;
+ /* p points to next tag */
+ }
+ } else {
+ u_short ptype;
+ if (pppoe_payload[0] & 0x1) {
+ ptype = pppoe_payload[0];
+ pppoe_payload +=1;
+ pppoe_length -=1;
+ } else if (pppoe_payload[1] & 0x1) {
+ ptype = ntohs(*(u_short *)pppoe_payload);
+ pppoe_payload +=2;
+ pppoe_length -=2;
+ } else {
+ printf(" Invalid PPP protocol ID: %x %x", pppoe_payload[0],pppoe_payload[1]);
+ return;
+ }
+ printf(" ");
+ if (ptype == PPP_IP)
+ ip_print(pppoe_payload, pppoe_length);
+ else if (ptype == PPP_LCP)
+ lcp_print(pppoe_payload, pppoe_length);
+ else
+ printf("%s ", tok2str(ppptype2str, "proto-0x%x", ptype));
+ }
+ return;
+}
projects / tcpdump / commitdiff
