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Annotation of 43BSDReno/kerberosIV/make_keypair/make_keypair.c, revision 1.1

1.1     ! root        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
        !            19: static char sccsid[] = "@(#)make_keypair.c     1.5 (Berkeley) 6/25/90";
        !            20: #endif /* not lint */
        !            21: 
        !            22: #include <sys/types.h>
        !            23: #include <sys/file.h>
        !            24: #include <netinet/in.h>
        !            25: #include <stdio.h>
        !            26: #include <netdb.h>
        !            27: #include <kerberosIV/des.h>
        !            28: #include <kerberosIV/krb.h>
        !            29: #include "pathnames.h"
        !            30: #include "register_proto.h"
        !            31: 
        !            32: extern void random_key(), herror();
        !            33: void make_key(), usage();
        !            34: 
        !            35: main(argc, argv)
        !            36:        int     argc;
        !            37:        char    **argv;
        !            38: {
        !            39:        struct hostent  *hp;
        !            40:        char            *addr;
        !            41:        int             i;
        !            42:        struct sockaddr_in      sin;
        !            43: 
        !            44:        if (argc != 2) {
        !            45:                usage(argv[0]);
        !            46:                exit(1);
        !            47:        }
        !            48: 
        !            49:        if ((hp = gethostbyname(argv[1])) == NULL) {
        !            50:                herror(argv[1]);
        !            51:                exit(1);
        !            52:        }
        !            53: 
        !            54:        for (i = 0; addr = hp->h_addr_list[i]; i++) {
        !            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");
        !            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");
        !            66:        printf("Another copy of each key should be put on the named\n");
        !            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");
        !            70:        (void)fflush(stdout);
        !            71:        exit(0);
        !            72: }
        !            73: 
        !            74: void
        !            75: make_key(addr)
        !            76:        struct in_addr  addr;
        !            77: {
        !            78:        struct keyfile_data     kfile;
        !            79:        char            namebuf[255];
        !            80:        int             fd;
        !            81: 
        !            82:        (void)sprintf(namebuf, ".%s%s",
        !            83:                CLIENT_KEYFILE,
        !            84:                inet_ntoa(addr));
        !            85:        fd = open(namebuf, O_WRONLY|O_CREAT, 0600);
        !            86:        if (fd < 0) {
        !            87:                perror("open");
        !            88:                exit(1);
        !            89:        }
        !            90:        random_key(kfile.kf_key);
        !            91:        printf("writing to file -> %s ...", namebuf);
        !            92:        if (write(fd, &kfile, sizeof(kfile)) != sizeof(kfile)) {
        !            93:                fprintf(stderr, "error writing file %s\n", namebuf);
        !            94:        }
        !            95:        printf("done.\n");
        !            96:        (void)close(fd);
        !            97:        return;
        !            98: }
        !            99: 
        !           100: void
        !           101: usage(name)
        !           102:        char    *name;
        !           103: {
        !           104:        fprintf(stderr, "usage: %s host\n", name);
        !           105: }

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