Cleanups.

[tcpdump] / print-bootp.c

diff --git a/print-bootp.c b/print-bootp.c
index 07c518e8a09b00b22284e4c81df031a85fc73e0e..fe798a0483da50311042ed48a93856a7a7f2272d 100644 (file)
--- a/print-bootp.c
+++ b/print-bootp.c
@@ -17,19 +17,19 @@
  * 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.
- *
- * Format and print bootp packets.
  */
 
+/* \summary: BOOTP and IPv4 DHCP printer */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <string.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 
@@ -212,8 +212,9 @@ struct bootp {
 #define        TAG_CLIENT_GUID         ((uint8_t)  97)
 #define        TAG_LDAP_URL            ((uint8_t)  95)
 #define        TAG_6OVER4              ((uint8_t)  96)
-#define        TAG_PRINTER_NAME        ((uint8_t) 100)
-#define        TAG_MDHCP_SERVER        ((uint8_t) 101)
+/* RFC 4833, TZ codes */
+#define        TAG_TZ_PCODE            ((uint8_t) 100)
+#define        TAG_TZ_TCODE            ((uint8_t) 101)
 #define        TAG_IPX_COMPAT          ((uint8_t) 110)
 #define        TAG_NETINFO_PARENT      ((uint8_t) 112)
 #define        TAG_NETINFO_PARENT_TAG  ((uint8_t) 113)
@@ -221,6 +222,7 @@ struct bootp {
 #define        TAG_FAILOVER            ((uint8_t) 115)
 #define        TAG_EXTENDED_REQUEST    ((uint8_t) 126)
 #define        TAG_EXTENDED_OPTION     ((uint8_t) 127)
+#define TAG_MUDURL              ((uint8_t) 161)
 
 /* DHCP Message types (values for TAG_DHCP_MESSAGE option) */
 #define DHCPDISCOVER   1
@@ -291,6 +293,7 @@ bootp_print(netdissect_options *ndo,
        ND_PRINT((ndo, "BOOTP/DHCP, %s",
                  tok2str(bootp_op_values, "unknown (0x%02x)", bp->bp_op)));
 
+       ND_TCHECK(bp->bp_hlen);
        if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) {
                ND_TCHECK2(bp->bp_chaddr[0], 6);
                ND_PRINT((ndo, " from %s", etheraddr_string(ndo, bp->bp_chaddr)));
@@ -353,7 +356,8 @@ bootp_print(netdissect_options *ndo,
        ND_TCHECK2(bp->bp_sname[0], 1);         /* check first char only */
        if (*bp->bp_sname) {
                ND_PRINT((ndo, "\n\t  sname \""));
-               if (fn_print(ndo, bp->bp_sname, ndo->ndo_snapend)) {
+               if (fn_printztn(ndo, bp->bp_sname, (u_int)sizeof bp->bp_sname,
+                   ndo->ndo_snapend)) {
                        ND_PRINT((ndo, "\""));
                        ND_PRINT((ndo, "%s", tstr + 1));
                        return;
@@ -363,7 +367,8 @@ bootp_print(netdissect_options *ndo,
        ND_TCHECK2(bp->bp_file[0], 1);          /* check first char only */
        if (*bp->bp_file) {
                ND_PRINT((ndo, "\n\t  file \""));
-               if (fn_print(ndo, bp->bp_file, ndo->ndo_snapend)) {
+               if (fn_printztn(ndo, bp->bp_file, (u_int)sizeof bp->bp_file,
+                   ndo->ndo_snapend)) {
                        ND_PRINT((ndo, "\""));
                        ND_PRINT((ndo, "%s", tstr + 1));
                        return;
@@ -519,13 +524,14 @@ static const struct tok tag2str[] = {
        { TAG_CLIENT_GUID,      "bGUID" },      /* XXX 'b' */
        { TAG_LDAP_URL,         "aLDAP" },
        { TAG_6OVER4,           "i6o4" },
-       { TAG_PRINTER_NAME,     "aPRTR" },
-       { TAG_MDHCP_SERVER,     "bMDHCP" },     /* XXX 'b' */
+       { TAG_TZ_PCODE,         "aPOSIX-TZ" },
+       { TAG_TZ_TCODE,         "aTZ-Name" },
        { TAG_IPX_COMPAT,       "bIPX" },       /* XXX 'b' */
        { TAG_NETINFO_PARENT,   "iNI" },
        { TAG_NETINFO_PARENT_TAG, "aNITAG" },
        { TAG_URL,              "aURL" },
        { TAG_FAILOVER,         "bFAIL" },      /* XXX 'b' */
+       { TAG_MUDURL,           "aMUD-URL" },
        { 0, NULL }
 };
 /* 2-byte extended tags */
@@ -996,7 +1002,7 @@ rfc1048_print(netdissect_options *ndo,
                                                break;
                                        }
                                        if (len < suboptlen) {
-                                               ND_PRINT((ndo, "ERROR: malformed option"));
+                                               ND_PRINT((ndo, "ERROR: invalid option"));
                                                bp += len;
                                                len = 0;
                                                break;