X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7de355927bb4dac90db045d52a69bf95c841b807..3ea7a6988e7a038e1b0604a56c828b929c60d0d5:/print-tftp.c

diff --git a/print-tftp.c b/print-tftp.c
index 62e2c998..2808bcc1 100644
--- a/print-tftp.c
+++ b/print-tftp.c
@@ -21,11 +21,6 @@
  * Format and print trivial file transfer protocol packets.
  */
 
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-tftp.c,v 1.39 2008-04-11 16:47:38 gianluca Exp $ (LBL)";
-#endif
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -42,7 +37,50 @@ static const char rcsid[] _U_ =
 #include "interface.h"
 #include "addrtoname.h"
 #include "extract.h"
-#include "tftp.h"
+
+/*
+ * Trivial File Transfer Protocol (IEN-133)
+ */
+#define	SEGSIZE		512		/* data segment size */
+
+/*
+ * Packet types.
+ */
+#define	RRQ	01			/* read request */
+#define	WRQ	02			/* write request */
+#define	DATA	03			/* data packet */
+#define	ACK	04			/* acknowledgement */
+#define	TFTP_ERROR	05			/* error code */
+#define OACK	06			/* option acknowledgement */
+
+struct	tftphdr {
+	unsigned short	th_opcode;		/* packet type */
+	union {
+		unsigned short	tu_block;	/* block # */
+		unsigned short	tu_code;	/* error code */
+		char	tu_stuff[1];	/* request packet stuff */
+	} th_u;
+	char	th_data[1];		/* data or error string */
+};
+
+#define	th_block	th_u.tu_block
+#define	th_code		th_u.tu_code
+#define	th_stuff	th_u.tu_stuff
+#define	th_msg		th_data
+
+/*
+ * Error codes.
+ */
+#define	EUNDEF		0		/* not defined */
+#define	ENOTFOUND	1		/* file not found */
+#define	EACCESS		2		/* access violation */
+#define	ENOSPACE	3		/* disk full or allocation exceeded */
+#define	EBADOP		4		/* illegal TFTP operation */
+#define	EBADID		5		/* unknown transfer ID */
+#define	EEXISTS		6		/* file already exists */
+#define	ENOUSER		7		/* no such user */
+
+static const char tstr[] = " [|tftp]";
 
 /* op code to string mapping */
 static const struct tok op2str[] = {
@@ -78,7 +116,6 @@ tftp_print(register const u_char *bp, u_int length)
 	register const char *cp;
 	register const u_char *p;
 	register int opcode, i;
-	static char tstr[] = " [|tftp]";
 
 	tp = (const struct tftphdr *)bp;
 
@@ -118,7 +155,7 @@ tftp_print(register const u_char *bp, u_int length)
 				fn_print(p, snapend);
 			}
 		}
-		
+
 		if (i)
 			goto trunc;
 		break;