1 files changed, 167 insertions, 0 deletions
diff --git a/usr.sbin/xntpd/authstuff/mkrandkeys.c b/usr.sbin/xntpd/authstuff/mkrandkeys.c
new file mode 100644
index 0000000..3bb987a
--- /dev/null
+++ b/usr.sbin/xntpd/authstuff/mkrandkeys.c
@@ -0,0 +1,167 @@
+/* mkrandkeys.c,v 3.1 1993/07/06 01:05:08 jbj Exp
+ * mkrandkeys - make a key file for xntpd with some quite random keys
+ */
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "ntp_stdlib.h"
+
+#define	STREQ(a, b)	(*(a) == *(b) && strcmp((a), (b)) == 0)
+
+char *progname;
+int debug;
+
+U_LONG keydata[2];
+
+int std = 1;		/* DES standard key format */
+u_char dokey[16] = { 0 };
+
+static	void	rand_data	P((U_LONG *));
+
+/*
+ * main - parse arguments and handle options
+ */
+void
+main(argc, argv)
+int argc;
+char *argv[];
+{
+	int c;
+	int i;
+	int j;
+	int errflg = 0;
+	int numkeys;
+	U_LONG tmp;
+	char *passwd;
+	extern int optind;
+	extern char *optarg;
+	extern char *getpass();
+
+	numkeys = 0;
+	progname = argv[0];
+	passwd = NULL;
+	while ((c = getopt_l(argc, argv, "dnp:s")) != EOF)
+		switch (c) {
+		case 'd':
+			++debug;
+			break;
+		case 'n':
+			std = 0;
+			break;
+		case 'p':
+			passwd = optarg;
+			break;
+		case 's':
+			std = 1;
+			break;
+		default:
+			errflg++;
+			break;
+		}
+
+	numkeys = 0;
+	for (; !errflg && optind < argc; optind++) {
+		c = atoi(argv[optind]);
+		if (c <= 0 || c > 15) {
+			(void) fprintf("%s: invalid key number `%s'\n",
+			    progname, argv[optind]);
+			exit(2);
+		}
+		dokey[c] = 1;
+		numkeys++;
+	}
+
+	if (errflg || numkeys == 0) {
+		(void) fprintf(stderr,
+		    "usage: %s [-ns] [-p seed] key# [key# ...]\n",
+		    progname);
+		exit(2);
+	}
+
+	while (passwd == 0 || *passwd == '\0') {
+		passwd = getpass("Seed: ");
+		if (*passwd == '\0') {
+			(void) fprintf(stderr,
+			    "better use a better seed than that\n");
+		}
+	}
+
+	keydata[0] = keydata[1] = 0;
+	for (i = 0; i < 8 && *passwd != '\0'; i++) {
+		keydata[i/4] |= ((((U_LONG)(*passwd))&0xff)<<(1+((3-(i%4))*8)));
+		passwd++;
+	}
+
+	for (i = 1; i <= 15; i++) {
+		if (dokey[i]) {
+			for (c = 0, tmp = 0; c < 32; c += 4)
+				tmp |= (i << c);
+			keydata[0] ^= tmp;
+			keydata[1] ^= tmp;
+			rand_data(keydata);
+			DESauth_parity(keydata);
+
+			if (std) {
+				(void)printf("%-2d S\t%08x%08x\n",
+				    i, keydata[0], keydata[1]);
+			} else {
+				for (j = 0; j < 2; j++) {
+					keydata[j]
+					    = ((keydata[j] & 0xfefefefe) >> 1)
+					    | ((keydata[j] & 0x01010101) << 7);
+				}
+				(void)printf("%-2d N\t%08x%08x\n",
+				    i, keydata[0], keydata[1]);
+			}
+		}
+	}
+	exit(0);
+}
+
+char *volatile_file[] = {
+	"/bin/echo",
+	"/bin/sh",
+	"/bin/cat",
+	"/bin/ls",
+	"/bin/stty",
+	"/bin/date",
+	"/bin/cat",
+	"/bin/cc",
+	"/etc/motd",
+	"/etc/utmp",
+	"/dev/kmem",
+	"/dev/null",
+	"",
+};
+
+#define NEXT(X) (0x1e1f2f2d*(X) + 0x361962e9)
+
+static void
+rand_data(data)
+	U_LONG *data;
+{
+	register i;
+	struct stat buf;
+	extern LONG time();
+	char ekeys[128], dkeys[128];
+
+	*data ^= 0x9662f394;
+	*(data+1) ^= 0x9f17c55f;
+	DESauth_subkeys(data, ekeys, dkeys);
+	*data ^= NEXT(getpid() + (getuid() << 16));
+	*(data+1) ^= NEXT(time((LONG *)0));
+	DESauth_des(data, ekeys);
+	for (i = 0; strlen(volatile_file[i]); i++) {
+		if (stat(volatile_file[i], &buf) == -1)
+			continue;
+		if (i & 1) {
+			*data ^= NEXT(buf.st_atime);
+			*(data+1) ^= NEXT(buf.st_mtime);
+		} else {
+			*data ^= NEXT(buf.st_mtime);
+			*(data+1) ^= NEXT(buf.st_atime);
+		}
+		DESauth_des(data, ekeys);
+	}
+}