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Annotation of 43BSDReno/kerberosIV/kstash/kstash.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * $Source: /usr/src/kerberosIV/kstash/RCS/kstash.c,v $
                      3:  * $Author: kfall $
                      4:  *
                      5:  * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
                      6:  * of Technology 
                      7:  *
                      8:  * For copying and distribution information, please see the file
                      9:  * <mit-copyright.h>.
                     10:  *
                     11:  * Description.
                     12:  */
                     13: 
                     14: #ifndef        lint
                     15: static char rcsid_kstash_c[] =
                     16: "$Header: /usr/src/kerberosIV/kstash/RCS/kstash.c,v 4.1 90/06/25 21:33:13 kfall Exp $";
                     17: #endif lint
                     18: 
                     19: #include <mit-copyright.h>
                     20: 
                     21: #include <stdio.h>
                     22: #include <sys/types.h>
                     23: #include <sys/socket.h>
                     24: #include <netinet/in.h>
                     25: #include <netdb.h>
                     26: #include <signal.h>
                     27: #include <sgtty.h>
                     28: #include <sys/ioctl.h>
                     29: #include <sys/time.h>
                     30: #include <sys/file.h>
                     31: 
                     32: #include <des.h>
                     33: #include <krb.h>
                     34: #include <klog.h>
                     35: #include <prot.h>
                     36: #include <krb_db.h>
                     37: #include <kdc.h>
                     38: 
                     39: extern int errno;
                     40: 
                     41: /* change this later, but krblib_dbm needs it for now */
                     42: char   *progname;
                     43: 
                     44: static C_Block master_key;
                     45: static Key_schedule master_key_schedule;
                     46: static Principal s_name_data;  /* for services requested */
                     47: static unsigned char master_key_version;
                     48: int     debug;
                     49: static int more;
                     50: static int kfile;
                     51: static void clear_secrets();
                     52: 
                     53: main(argc, argv)
                     54:     int     argc;
                     55:     char  **argv;
                     56: {
                     57:     long    n;
                     58:     if (n = kerb_init()) {
                     59:        fprintf(stderr, "Kerberos db and cache init failed = %d\n", n);
                     60:        exit(1);
                     61:     }
                     62: 
                     63:     if (kdb_get_master_key (TRUE, master_key, master_key_schedule) != 0) {
                     64:       fprintf (stderr, "%s: Couldn't read master key.\n", argv[0]);
                     65:       fflush (stderr);
                     66:       clear_secrets();
                     67:       exit (-1);
                     68:     }
                     69: 
                     70:     if (kdb_verify_master_key (master_key, master_key_schedule, stderr) < 0) {
                     71:       clear_secrets();
                     72:       exit (-1);
                     73:     }
                     74: 
                     75:     kfile = open(MKEYFILE, O_TRUNC | O_RDWR | O_CREAT, 0600);
                     76:     if (kfile < 0) {
                     77:        clear_secrets();
                     78:        fprintf(stderr, "\n\07\07%s: Unable to open master key file\n",
                     79:                argv[0]);
                     80:        exit(1);
                     81:     }
                     82:     if (write(kfile, (char *) master_key, 8) < 0) {
                     83:        clear_secrets();
                     84:        fprintf(stderr, "\n%s: Write I/O error on master key file\n",
                     85:                argv[0]);
                     86:        exit(1);
                     87:     }
                     88:     (void) close(kfile);
                     89:     clear_secrets();
                     90: }
                     91: 
                     92: static void 
                     93: clear_secrets()
                     94: {
                     95:     bzero(master_key_schedule, sizeof(master_key_schedule));
                     96:     bzero(master_key, sizeof(master_key));
                     97: }

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