auto import from //depot/cupcake/@135843
diff --git a/print-krb.c b/print-krb.c
new file mode 100644
index 0000000..d6c8e14
--- /dev/null
+++ b/print-krb.c
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Initial contribution from John Hawkinson (jhawk@mit.edu).
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-krb.c,v 1.23 2003/11/16 09:36:26 guy Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+static const u_char *c_print(register const u_char *, register const u_char *);
+static const u_char *krb4_print_hdr(const u_char *);
+static void krb4_print(const u_char *);
+
+#define AUTH_MSG_KDC_REQUEST 1<<1
+#define AUTH_MSG_KDC_REPLY 2<<1
+#define AUTH_MSG_APPL_REQUEST 3<<1
+#define AUTH_MSG_APPL_REQUEST_MUTUAL 4<<1
+#define AUTH_MSG_ERR_REPLY 5<<1
+#define AUTH_MSG_PRIVATE 6<<1
+#define AUTH_MSG_SAFE 7<<1
+#define AUTH_MSG_APPL_ERR 8<<1
+#define AUTH_MSG_DIE 63<<1
+
+#define KERB_ERR_OK 0
+#define KERB_ERR_NAME_EXP 1
+#define KERB_ERR_SERVICE_EXP 2
+#define KERB_ERR_AUTH_EXP 3
+#define KERB_ERR_PKT_VER 4
+#define KERB_ERR_NAME_MAST_KEY_VER 5
+#define KERB_ERR_SERV_MAST_KEY_VER 6
+#define KERB_ERR_BYTE_ORDER 7
+#define KERB_ERR_PRINCIPAL_UNKNOWN 8
+#define KERB_ERR_PRINCIPAL_NOT_UNIQUE 9
+#define KERB_ERR_NULL_KEY 10
+
+struct krb {
+ u_int8_t pvno; /* Protocol Version */
+ u_int8_t type; /* Type+B */
+};
+
+static char tstr[] = " [|kerberos]";
+
+static struct tok type2str[] = {
+ { AUTH_MSG_KDC_REQUEST, "KDC_REQUEST" },
+ { AUTH_MSG_KDC_REPLY, "KDC_REPLY" },
+ { AUTH_MSG_APPL_REQUEST, "APPL_REQUEST" },
+ { AUTH_MSG_APPL_REQUEST_MUTUAL, "APPL_REQUEST_MUTUAL" },
+ { AUTH_MSG_ERR_REPLY, "ERR_REPLY" },
+ { AUTH_MSG_PRIVATE, "PRIVATE" },
+ { AUTH_MSG_SAFE, "SAFE" },
+ { AUTH_MSG_APPL_ERR, "APPL_ERR" },
+ { AUTH_MSG_DIE, "DIE" },
+ { 0, NULL }
+};
+
+static struct tok kerr2str[] = {
+ { KERB_ERR_OK, "OK" },
+ { KERB_ERR_NAME_EXP, "NAME_EXP" },
+ { KERB_ERR_SERVICE_EXP, "SERVICE_EXP" },
+ { KERB_ERR_AUTH_EXP, "AUTH_EXP" },
+ { KERB_ERR_PKT_VER, "PKT_VER" },
+ { KERB_ERR_NAME_MAST_KEY_VER, "NAME_MAST_KEY_VER" },
+ { KERB_ERR_SERV_MAST_KEY_VER, "SERV_MAST_KEY_VER" },
+ { KERB_ERR_BYTE_ORDER, "BYTE_ORDER" },
+ { KERB_ERR_PRINCIPAL_UNKNOWN, "PRINCIPAL_UNKNOWN" },
+ { KERB_ERR_PRINCIPAL_NOT_UNIQUE,"PRINCIPAL_NOT_UNIQUE" },
+ { KERB_ERR_NULL_KEY, "NULL_KEY"},
+ { 0, NULL}
+};
+
+static const u_char *
+c_print(register const u_char *s, register const u_char *ep)
+{
+ register u_char c;
+ register int flag;
+
+ flag = 1;
+ while (s < ep) {
+ c = *s++;
+ if (c == '\0') {
+ flag = 0;
+ break;
+ }
+ if (!isascii(c)) {
+ c = toascii(c);
+ putchar('M');
+ putchar('-');
+ }
+ if (!isprint(c)) {
+ c ^= 0x40; /* DEL to ?, others to alpha */
+ putchar('^');
+ }
+ putchar(c);
+ }
+ if (flag)
+ return NULL;
+ return (s);
+}
+
+static const u_char *
+krb4_print_hdr(const u_char *cp)
+{
+ cp += 2;
+
+#define PRINT if ((cp = c_print(cp, snapend)) == NULL) goto trunc
+
+ PRINT;
+ putchar('.');
+ PRINT;
+ putchar('@');
+ PRINT;
+ return (cp);
+
+trunc:
+ fputs(tstr, stdout);
+ return (NULL);
+
+#undef PRINT
+}
+
+static void
+krb4_print(const u_char *cp)
+{
+ register const struct krb *kp;
+ u_char type;
+ u_short len;
+
+#define PRINT if ((cp = c_print(cp, snapend)) == NULL) goto trunc
+/* True if struct krb is little endian */
+#define IS_LENDIAN(kp) (((kp)->type & 0x01) != 0)
+#define KTOHSP(kp, cp) (IS_LENDIAN(kp) ? EXTRACT_LE_16BITS(cp) : EXTRACT_16BITS(cp))
+
+ kp = (struct krb *)cp;
+
+ if ((&kp->type) >= snapend) {
+ fputs(tstr, stdout);
+ return;
+ }
+
+ type = kp->type & (0xFF << 1);
+
+ printf(" %s %s: ",
+ IS_LENDIAN(kp) ? "le" : "be", tok2str(type2str, NULL, type));
+
+ switch (type) {
+
+ case AUTH_MSG_KDC_REQUEST:
+ if ((cp = krb4_print_hdr(cp)) == NULL)
+ return;
+ cp += 4; /* ctime */
+ TCHECK(*cp);
+ printf(" %dmin ", *cp++ * 5);
+ PRINT;
+ putchar('.');
+ PRINT;
+ break;
+
+ case AUTH_MSG_APPL_REQUEST:
+ cp += 2;
+ TCHECK(*cp);
+ printf("v%d ", *cp++);
+ PRINT;
+ TCHECK(*cp);
+ printf(" (%d)", *cp++);
+ TCHECK(*cp);
+ printf(" (%d)", *cp);
+ break;
+
+ case AUTH_MSG_KDC_REPLY:
+ if ((cp = krb4_print_hdr(cp)) == NULL)
+ return;
+ cp += 10; /* timestamp + n + exp + kvno */
+ TCHECK2(*cp, sizeof(short));
+ len = KTOHSP(kp, cp);
+ printf(" (%d)", len);
+ break;
+
+ case AUTH_MSG_ERR_REPLY:
+ if ((cp = krb4_print_hdr(cp)) == NULL)
+ return;
+ cp += 4; /* timestamp */
+ TCHECK2(*cp, sizeof(short));
+ printf(" %s ", tok2str(kerr2str, NULL, KTOHSP(kp, cp)));
+ cp += 4;
+ PRINT;
+ break;
+
+ default:
+ fputs("(unknown)", stdout);
+ break;
+ }
+
+ return;
+trunc:
+ fputs(tstr, stdout);
+}
+
+void
+krb_print(const u_char *dat)
+{
+ register const struct krb *kp;
+
+ kp = (struct krb *)dat;
+
+ if (dat >= snapend) {
+ fputs(tstr, stdout);
+ return;
+ }
+
+ switch (kp->pvno) {
+
+ case 1:
+ case 2:
+ case 3:
+ printf(" v%d", kp->pvno);
+ break;
+
+ case 4:
+ printf(" v%d", kp->pvno);
+ krb4_print((const u_char *)kp);
+ break;
+
+ case 106:
+ case 107:
+ fputs(" v5", stdout);
+ /* Decode ASN.1 here "someday" */
+ break;
+ }
+ return;
+}