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Commit | Line | Data |
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546bc43b | 1 | /* $Header$ */ |
2 | ||
3 | /* (c) Copyright 1988 by the Massachusetts Institute of Technology. */ | |
4 | /* For copying and distribution information, please see the file */ | |
5 | /* <mit-copyright.h>. */ | |
6 | ||
7 | ||
8 | #include <mit-copyright.h> | |
7effed7d | 9 | #include <stdio.h> |
10 | #include <sys/file.h> | |
11 | #include <des.h> | |
12 | int debug=0; /* goddamn des library breakage */ | |
13 | char string[] = "sms\0\0Athena\0\1"; | |
14 | char srvtab[] = "/etc/srvtab"; | |
15 | char insecure[] = | |
16 | "\7\7\7This program MUST be run on the console, for security reasons.\n"; | |
17 | ||
18 | main(argc,argv) | |
19 | int argc; | |
20 | char **argv; | |
21 | { | |
22 | int fd; | |
23 | C_Block key; | |
24 | char *tty, *ttyname(); | |
25 | tty = ttyname(0); | |
26 | if (!tty || strcmp(tty, "/dev/console")) { | |
27 | fprintf(stderr, insecure); | |
28 | exit(1); | |
29 | } | |
30 | fd = open(srvtab, O_WRONLY|O_APPEND, 0); | |
31 | if (!fd) { | |
32 | perror(srvtab); | |
33 | exit(1); | |
34 | } | |
35 | if (sizeof(string)-1 != 13) { | |
36 | fprintf(stderr, "string size bad\n"); | |
37 | exit(1); | |
38 | } | |
39 | des_read_password(key, "Enter SMS update password: ", 0); | |
40 | write(fd, string, sizeof(string)-1); | |
41 | write(fd, key, sizeof(C_Block)); | |
42 | if (fsync(fd)) | |
43 | perror(srvtab); | |
44 | close(fd); | |
45 | printf("\nKey written.\n"); | |
46 | } |