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cba6c417 KF |
1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
16 | */ | |
17 | ||
18 | #ifndef lint | |
1c15e888 | 19 | static char sccsid[] = "@(#)make_keypair.c 1.5 (Berkeley) 6/25/90"; |
cba6c417 KF |
20 | #endif /* not lint */ |
21 | ||
e169eba2 | 22 | #include <sys/types.h> |
e2e2e576 KF |
23 | #include <sys/file.h> |
24 | #include <netinet/in.h> | |
e169eba2 KF |
25 | #include <stdio.h> |
26 | #include <netdb.h> | |
e2e2e576 KF |
27 | #include <kerberosIV/des.h> |
28 | #include <kerberosIV/krb.h> | |
a1d20505 | 29 | #include "pathnames.h" |
e169eba2 KF |
30 | #include "register_proto.h" |
31 | ||
e2e2e576 KF |
32 | extern void random_key(), herror(); |
33 | void make_key(), usage(); | |
34 | ||
e169eba2 | 35 | main(argc, argv) |
e2e2e576 KF |
36 | int argc; |
37 | char **argv; | |
e169eba2 | 38 | { |
e169eba2 KF |
39 | struct hostent *hp; |
40 | char *addr; | |
41 | int i; | |
42 | struct sockaddr_in sin; | |
43 | ||
e2e2e576 | 44 | if (argc != 2) { |
e169eba2 KF |
45 | usage(argv[0]); |
46 | exit(1); | |
47 | } | |
48 | ||
e2e2e576 KF |
49 | if ((hp = gethostbyname(argv[1])) == NULL) { |
50 | herror(argv[1]); | |
51 | exit(1); | |
52 | } | |
53 | ||
cba6c417 | 54 | for (i = 0; addr = hp->h_addr_list[i]; i++) { |
e169eba2 KF |
55 | addr = hp->h_addr_list[i]; |
56 | bcopy(addr, &sin.sin_addr, hp->h_length); | |
57 | ||
58 | printf("Making key for host %s (%s)\n", | |
59 | argv[1], inet_ntoa(sin.sin_addr)); | |
60 | make_key(sin.sin_addr); | |
61 | } | |
62 | printf("==========\n"); | |
a1d20505 KF |
63 | printf("One copy of the each key should be put in %s on the\n", |
64 | SERVER_KEYDIR); | |
65 | printf("Kerberos server machine (mode 600, owner root).\n"); | |
e169eba2 | 66 | printf("Another copy of each key should be put on the named\n"); |
a1d20505 KF |
67 | printf("client as %sXXX.XXX.XXX.XXX (same modes as above),\n", |
68 | CLIENT_KEYFILE); | |
69 | printf("where the X's refer to digits of the host's inet address.\n"); | |
e2e2e576 KF |
70 | (void)fflush(stdout); |
71 | exit(0); | |
e169eba2 KF |
72 | } |
73 | ||
e2e2e576 | 74 | void |
e169eba2 KF |
75 | make_key(addr) |
76 | struct in_addr addr; | |
77 | { | |
78 | struct keyfile_data kfile; | |
79 | char namebuf[255]; | |
80 | int fd; | |
81 | ||
e2e2e576 | 82 | (void)sprintf(namebuf, ".%s%s", |
cba6c417 KF |
83 | CLIENT_KEYFILE, |
84 | inet_ntoa(addr)); | |
e169eba2 | 85 | fd = open(namebuf, O_WRONLY|O_CREAT, 0600); |
cba6c417 | 86 | if (fd < 0) { |
e169eba2 KF |
87 | perror("open"); |
88 | exit(1); | |
89 | } | |
90 | random_key(kfile.kf_key); | |
cba6c417 KF |
91 | printf("writing to file -> %s ...", namebuf); |
92 | if (write(fd, &kfile, sizeof(kfile)) != sizeof(kfile)) { | |
e169eba2 KF |
93 | fprintf(stderr, "error writing file %s\n", namebuf); |
94 | } | |
cba6c417 | 95 | printf("done.\n"); |
e2e2e576 KF |
96 | (void)close(fd); |
97 | return; | |
e169eba2 | 98 | } |
e2e2e576 KF |
99 | |
100 | void | |
e169eba2 KF |
101 | usage(name) |
102 | char *name; | |
103 | { | |
104 | fprintf(stderr, "usage: %s host\n", name); | |
105 | } |