]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-tftp.c
Backout CHANGES update - wrong branch
[tcpdump] / print-tftp.c
index 17b34b57a4811c652302f84308b0e1956dc7eb00..dfd10dfee07af804d4917d031705e544d28c43f5 100644 (file)
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-tftp.c,v 1.31 1999-11-21 09:37:03 fenner Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-tftp.c,v 1.37.2.1 2007-09-14 01:03:12 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <sys/param.h>
-#include <sys/time.h>
-
-#include <netinet/in.h>
+#include <tcpdump-stdinc.h>
 
 #ifdef SEGSIZE
 #undef SEGSIZE                                 /* SINIX sucks */
 #endif
-#include <arpa/tftp.h>
 
-#include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 
 #include "interface.h"
 #include "addrtoname.h"
+#include "extract.h"
+#include "tftp.h"
 
 /* op code to string mapping */
 static struct tok op2str[] = {
@@ -54,6 +51,7 @@ static struct tok op2str[] = {
        { DATA,         "DATA" },       /* data packet */
        { ACK,          "ACK" },        /* acknowledgement */
        { ERROR,        "ERROR" },      /* error code */
+       { OACK,         "OACK" },       /* option acknowledgement */
        { 0,            NULL }
 };
 
@@ -89,7 +87,7 @@ tftp_print(register const u_char *bp, u_int length)
 
        /* Print tftp request type */
        TCHECK(tp->th_opcode);
-       opcode = ntohs(tp->th_opcode);
+       opcode = EXTRACT_16BITS(&tp->th_opcode);
        cp = tok2str(op2str, "tftp-#%d", opcode);
        printf(" %s", cp);
        /* Bail if bogus opcode */
@@ -100,6 +98,7 @@ tftp_print(register const u_char *bp, u_int length)
 
        case RRQ:
        case WRQ:
+       case OACK:
                /*
                 * XXX Not all arpa/tftp.h's specify th_stuff as any
                 * array; use address of th_block instead
@@ -109,9 +108,25 @@ tftp_print(register const u_char *bp, u_int length)
 #else
                p = (u_char *)&tp->th_block;
 #endif
-               fputs(" \"", stdout);
+               putchar(' ');
+               /* Print filename or first option */
+               if (opcode != OACK)
+                       putchar('"');
                i = fn_print(p, snapend);
-               putchar('"');
+               if (opcode != OACK)
+                       putchar('"');
+
+               /* Print the mode (RRQ and WRQ only) and any options */
+               while ((p = (const u_char *)strchr((const char *)p, '\0')) != NULL) {
+                       if (length <= (u_int)(p - (const u_char *)&tp->th_block))
+                               break;
+                       p++;
+                       if (*p != '\0') {
+                               putchar(' ');
+                               fn_print(p, snapend);
+                       }
+               }
+               
                if (i)
                        goto trunc;
                break;
@@ -119,14 +134,14 @@ tftp_print(register const u_char *bp, u_int length)
        case ACK:
        case DATA:
                TCHECK(tp->th_block);
-               printf(" block %d", ntohs(tp->th_block));
+               printf(" block %d", EXTRACT_16BITS(&tp->th_block));
                break;
 
        case ERROR:
                /* Print error code string */
                TCHECK(tp->th_code);
-               printf(" %s ", tok2str(err2str, "tftp-err-#%d \"",
-                                      ntohs(tp->th_code)));
+               printf(" %s \"", tok2str(err2str, "tftp-err-#%d \"",
+                                      EXTRACT_16BITS(&tp->th_code)));
                /* Print error message string */
                i = fn_print((const u_char *)tp->th_data, snapend);
                putchar('"');