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Annotation of src/usr.bin/skeyinfo/skeyinfo.c, Revision 1.12

1.12    ! millert     1: /*     $OpenBSD: skeyinfo.c,v 1.11 2003/05/06 10:43:27 mpech Exp $     */
1.1       millert     2:
                      3: /*
1.10      millert     4:  * Copyright (c) 1997, 2001, 2002 Todd C. Miller <Todd.Miller@courtesan.com>
1.1       millert     5:  *
1.12    ! millert     6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
1.1       millert     9:  *
1.12    ! millert    10:  * THE SOFTWARE IS PROVIDED "AS IS" AND TODD C. MILLER DISCLAIMS ALL
        !            11:  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
        !            12:  * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL TODD C. MILLER BE LIABLE
        !            13:  * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
        !            15:  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
        !            16:  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       millert    17:  */
                     18:
                     19: #include <err.h>
1.10      millert    20: #include <limits.h>
                     21: #include <paths.h>
1.1       millert    22: #include <pwd.h>
                     23: #include <stdio.h>
1.10      millert    24: #include <stdlib.h>
1.1       millert    25: #include <string.h>
                     26: #include <unistd.h>
                     27: #include <skey.h>
                     28:
                     29: extern char *__progname;
                     30:
1.9       millert    31: void usage(void);
1.1       millert    32:
                     33: int
1.9       millert    34: main(int argc, char **argv)
1.1       millert    35: {
                     36:        struct passwd *pw;
1.10      millert    37:        struct skey key;
                     38:        char *name = NULL;
                     39:        int error, ch, verbose = 0;
                     40:
                     41:        while ((ch = getopt(argc, argv, "v")) != -1)
1.1       millert    42:                switch(ch) {
                     43:                case 'v':
                     44:                        verbose = 1;
                     45:                        break;
                     46:                default:
                     47:                        usage();
                     48:        }
                     49:        argc -= optind;
                     50:        argv += optind;
                     51:
                     52:        if (argc == 1)
                     53:                name = argv[0];
                     54:        else if (argc > 1)
                     55:                usage();
                     56:
                     57:        if (name && getuid() != 0)
                     58:                errx(1, "only root may specify an alternate user");
                     59:
                     60:        if (name) {
                     61:                if ((pw = getpwnam(name)) == NULL)
                     62:                        errx(1, "no passwd entry for %s", name);
                     63:        } else {
                     64:                if ((pw = getpwuid(getuid())) == NULL)
                     65:                        errx(1, "no passwd entry for uid %u", getuid());
                     66:        }
                     67:
                     68:        if ((name = strdup(pw->pw_name)) == NULL)
                     69:                err(1, "cannot allocate memory");
1.11      mpech      70:        sevenbit(name);
1.1       millert    71:
1.10      millert    72:        error = skeylookup(&key, name);
                     73:        switch (error) {
                     74:                case 0:         /* Success! */
                     75:                        if (verbose)
                     76:                                (void)printf("otp-%s ", skey_get_algorithm());
                     77:                        (void)printf("%d %s\n", key.n - 1, key.seed);
                     78:                        break;
                     79:                case -1:        /* File error */
                     80:                        err(1, "cannot open %s/%s", _PATH_SKEYDIR, name);
                     81:                        break;
                     82:                case 1:         /* Unknown user */
                     83:                        errx(1, "%s is not listed in %s", name, _PATH_SKEYDIR);
                     84:                        break;
1.1       millert    85:        }
1.10      millert    86:        (void)fclose(key.keyfile);
1.1       millert    87:
1.10      millert    88:        exit(error ? 1 : 0);
1.1       millert    89: }
                     90:
                     91: void
1.10      millert    92: usage()
1.1       millert    93: {
1.10      millert    94:        (void)fprintf(stderr, "usage: %s [-v] [user]\n", __progname);
1.1       millert    95:        exit(1);
                     96: }