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authorfenner <fenner@FreeBSD.org>2001-04-03 07:50:46 +0000
committerfenner <fenner@FreeBSD.org>2001-04-03 07:50:46 +0000
commit2877f5b6133ecd5a0574b61880855776ec518278 (patch)
tree133b57ac128ee361805e9c2bedbcb790324dac62 /contrib/tcpdump/print-bootp.c
parentf7d9a5e270bfcbb075a637a52416185441d33d8d (diff)
downloadFreeBSD-src-2877f5b6133ecd5a0574b61880855776ec518278.zip
FreeBSD-src-2877f5b6133ecd5a0574b61880855776ec518278.tar.gz
Merge tcpdump 3.6.2
Diffstat (limited to 'contrib/tcpdump/print-bootp.c')
-rw-r--r--contrib/tcpdump/print-bootp.c101
1 files changed, 83 insertions, 18 deletions
diff --git a/contrib/tcpdump/print-bootp.c b/contrib/tcpdump/print-bootp.c
index 7e15815..4005398 100644
--- a/contrib/tcpdump/print-bootp.c
+++ b/contrib/tcpdump/print-bootp.c
@@ -24,7 +24,7 @@
*/
#ifndef lint
static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.48 1999/11/21 09:36:49 fenner Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.56 2000/12/04 00:00:08 fenner Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@@ -35,24 +35,19 @@ static const char rcsid[] =
#include <sys/time.h>
#include <sys/socket.h>
-#if __STDC__
struct mbuf;
struct rtentry;
-#endif
-#include <net/if.h>
#include <netinet/in.h>
-#include <net/ethernet.h>
#include <ctype.h>
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
#include <stdio.h>
#include <string.h>
#include "interface.h"
#include "addrtoname.h"
+#include "extract.h"
+#include "ether.h"
#include "bootp.h"
static void rfc1048_print(const u_char *, u_int);
@@ -181,7 +176,7 @@ bootp_print(register const u_char *cp, u_int length,
else {
u_int32_t ul;
- memcpy((char *)&ul, (char *)bp->bp_vend, sizeof(ul));
+ ul = EXTRACT_32BITS(&bp->bp_vend);
if (ul != 0)
printf("vend-#0x%x", ul);
}
@@ -196,7 +191,7 @@ static struct tok tag2str[] = {
/* RFC1048 tags */
{ TAG_PAD, " PAD" },
{ TAG_SUBNET_MASK, "iSM" }, /* subnet mask (RFC950) */
- { TAG_TIME_OFFSET, "lTZ" }, /* seconds from UTC */
+ { TAG_TIME_OFFSET, "LTZ" }, /* seconds from UTC */
{ TAG_GATEWAY, "iDG" }, /* default gateway */
{ TAG_TIME_SERVER, "iTS" }, /* time servers (RFC868) */
{ TAG_NAME_SERVER, "iIEN" }, /* IEN name servers (IEN116) */
@@ -271,7 +266,46 @@ static struct tok tag2str[] = {
{ TAG_RENEWAL_TIME, "lRN" },
{ TAG_REBIND_TIME, "lRB" },
{ TAG_VENDOR_CLASS, "bVC" },
- { TAG_CLIENT_ID, "bCID" },
+ { TAG_CLIENT_ID, "xCID" },
+/* RFC 2485 */
+ { TAG_OPEN_GROUP_UAP, "aUAP" },
+/* RFC 2563 */
+ { TAG_DISABLE_AUTOCONF, "BNOAUTO" },
+/* RFC 2610 */
+ { TAG_SLP_DA, "bSLP-DA" }, /*"b" is a little wrong */
+ { TAG_SLP_SCOPE, "bSLP-SCOPE" }, /*"b" is a little wrong */
+/* RFC 2937 */
+ { TAG_NS_SEARCH, "sNSSEARCH" }, /* XXX 's' */
+/* RFC 3011 */
+ { TAG_IP4_SUBNET_SELECT, "iSUBNET" },
+/* ftp://ftp.isi.edu/.../assignments/bootp-dhcp-extensions */
+ { TAG_USER_CLASS, "aCLASS" },
+ { TAG_SLP_NAMING_AUTH, "aSLP-NA" },
+ { TAG_CLIENT_FQDN, "bFQDN" }, /* XXX 'b' */
+ { TAG_AGENT_CIRCUIT, "bACKT" },
+ { TAG_AGENT_REMOTE, "bARMT" },
+ { TAG_AGENT_MASK, "bAMSK" },
+ { TAG_TZ_STRING, "aTZSTR" },
+ { TAG_FQDN_OPTION, "bFQDNS" }, /* XXX 'b' */
+ { TAG_AUTH, "bAUTH" }, /* XXX 'b' */
+ { TAG_VINES_SERVERS, "iVINES" },
+ { TAG_SERVER_RANK, "sRANK" },
+ { TAG_CLIENT_ARCH, "sARCH" },
+ { TAG_CLIENT_NDI, "bNDI" }, /* XXX 'b' */
+ { TAG_CLIENT_GUID, "bGUID" }, /* XXX 'b' */
+ { TAG_LDAP_URL, "aLDAP" },
+ { TAG_6OVER4, "i6o4" },
+ { TAG_PRINTER_NAME, "aPRTR" },
+ { TAG_MDHCP_SERVER, "bMDHCP" }, /* XXX 'b' */
+ { TAG_IPX_COMPAT, "bIPX" }, /* XXX 'b' */
+ { TAG_NETINFO_PARENT, "iNI" },
+ { TAG_NETINFO_PARENT_TAG, "aNITAG" },
+ { TAG_URL, "aURL" },
+ { TAG_FAILOVER, "bFAIL" }, /* XXX 'b' */
+ { 0, NULL }
+};
+/* 2-byte extended tags */
+static struct tok xtag2str[] = {
{ 0, NULL }
};
@@ -298,7 +332,16 @@ rfc1048_print(register const u_char *bp, register u_int length)
continue;
if (tag == TAG_END)
return;
- cp = tok2str(tag2str, "?T%d", tag);
+ if (tag == TAG_EXTENDED_OPTION) {
+ TCHECK2(*(bp + 1), 2);
+ tag = EXTRACT_16BITS(bp + 1);
+ /* XXX we don't know yet if the IANA will
+ * preclude overlap of 1-byte and 2-byte spaces.
+ * If not, we need to offset tag after this step.
+ */
+ cp = tok2str(xtag2str, "?xT%d", tag);
+ } else
+ cp = tok2str(tag2str, "?T%d", tag);
c = *cp++;
printf(" %s:", cp);
@@ -333,7 +376,21 @@ rfc1048_print(register const u_char *bp, register u_int length)
first = 1;
while (len-- > 0) {
c = *bp++;
- cp = tok2str(tag2str, "?%d", c);
+ cp = tok2str(tag2str, "?T%d", c);
+ if (!first)
+ putchar('+');
+ printf("%s", cp + 1);
+ first = 0;
+ }
+ continue;
+ }
+ if (tag == TAG_EXTENDED_REQUEST) {
+ first = 1;
+ while (len > 1) {
+ len -= 2;
+ c = EXTRACT_16BITS(bp);
+ bp += 2;
+ cp = tok2str(xtag2str, "?xT%d", c);
if (!first)
putchar('+');
printf("%s", cp + 1);
@@ -367,13 +424,17 @@ rfc1048_print(register const u_char *bp, register u_int length)
case 'i':
case 'l':
+ case 'L':
/* ip addresses/32-bit words */
while (size >= sizeof(ul)) {
if (!first)
putchar(',');
- memcpy((char *)&ul, (char *)bp, sizeof(ul));
- if (c == 'i')
+ ul = EXTRACT_32BITS(bp);
+ if (c == 'i') {
+ ul = htonl(ul);
printf("%s", ipaddr_string(&ul));
+ } else if (c == 'L')
+ printf("%d", ul);
else
printf("%u", ul);
bp += sizeof(ul);
@@ -403,7 +464,7 @@ rfc1048_print(register const u_char *bp, register u_int length)
while (size >= sizeof(us)) {
if (!first)
putchar(',');
- memcpy((char *)&us, (char *)bp, sizeof(us));
+ us = EXTRACT_16BITS(bp);
printf("%d", us);
bp += sizeof(us);
size -= sizeof(us);
@@ -434,12 +495,13 @@ rfc1048_print(register const u_char *bp, register u_int length)
break;
case 'b':
+ case 'x':
default:
/* Bytes */
while (size > 0) {
if (!first)
- putchar('.');
- printf("%d", *bp);
+ putchar (c == 'x' ? ':' : '.');
+ printf (c == 'x' ? "%02x" : "%d", *bp);
++bp;
--size;
first = 0;
@@ -450,6 +512,9 @@ rfc1048_print(register const u_char *bp, register u_int length)
if (size)
printf("[len %d]", len);
}
+ return;
+trunc:
+ printf("|[rfc1048]");
}
static void
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