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