[moira.git] / update / smskey.c

/* $Header$ */

/*  (c) Copyright 1988 by the Massachusetts Institute of Technology. */
/*  For copying and distribution information, please see the file */
/*  <mit-copyright.h>. */


#include <mit-copyright.h>
#include <stdio.h>
#include <sys/file.h>
#include <des.h>
int debug=0;			/* goddamn des library breakage */
char string[] = "sms\0\0Athena\0\1";
char srvtab[] = "/etc/srvtab";
char insecure[] =
    "\7\7\7This program MUST be run on the console, for security reasons.\n";

main(argc,argv)
    int argc;
    char **argv;
{
    int fd;
    C_Block key;
    char *tty, *ttyname();
    tty = ttyname(0);
    if (!tty || strcmp(tty, "/dev/console")) {
	fprintf(stderr, insecure);
	exit(1);
    }
    fd = open(srvtab, O_WRONLY|O_APPEND, 0);
    if (!fd) {
	perror(srvtab);
	exit(1);
    }
    if (sizeof(string)-1 != 13) {
	fprintf(stderr, "string size bad\n");
	exit(1);
    }
    des_read_password(key, "Enter SMS update password: ", 0);
    write(fd, string, sizeof(string)-1);
    write(fd, key, sizeof(C_Block));
    if (fsync(fd))
	perror(srvtab);
    close(fd);
    printf("\nKey written.\n");
}
Commit	Line	Data
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	}