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/* $OpenBSD: skeyinfo.c,v 1.15 2015/11/01 14:02:37 tim Exp $ */ |
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/* |
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* Copyright (c) 1997, 2001, 2002 Todd C. Miller <Todd.Miller@courtesan.com> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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* |
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* Sponsored in part by the Defense Advanced Research Projects |
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* Agency (DARPA) and Air Force Research Laboratory, Air Force |
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* Materiel Command, USAF, under agreement number F39502-99-1-0512. |
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*/ |
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#include <err.h> |
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#include <limits.h> |
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#include <paths.h> |
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#include <pwd.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <skey.h> |
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extern char *__progname; |
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void usage(void); |
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int |
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main(int argc, char **argv) |
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{ |
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struct passwd *pw; |
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struct skey key; |
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char *name = NULL; |
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int error, ch, verbose = 0; |
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if (pledge("stdio rpath wpath flock getpw cpath", NULL) == -1) |
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err(1, "pledge"); |
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while ((ch = getopt(argc, argv, "v")) != -1) |
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switch(ch) { |
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case 'v': |
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verbose = 1; |
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break; |
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default: |
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usage(); |
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} |
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argc -= optind; |
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argv += optind; |
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if (argc == 1) |
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name = argv[0]; |
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else if (argc > 1) |
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usage(); |
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if (name && getuid() != 0) |
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errx(1, "only root may specify an alternate user"); |
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if (name) { |
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if ((pw = getpwnam(name)) == NULL) |
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errx(1, "no passwd entry for %s", name); |
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} else { |
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if ((pw = getpwuid(getuid())) == NULL) |
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errx(1, "no passwd entry for uid %u", getuid()); |
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} |
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if ((name = strdup(pw->pw_name)) == NULL) |
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err(1, "cannot allocate memory"); |
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sevenbit(name); |
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error = skeylookup(&key, name); |
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switch (error) { |
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case 0: /* Success! */ |
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if (verbose) |
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(void)printf("otp-%s ", skey_get_algorithm()); |
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(void)printf("%d %s\n", key.n - 1, key.seed); |
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break; |
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case -1: /* File error */ |
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err(1, "cannot open %s/%s", _PATH_SKEYDIR, name); |
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break; |
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case 1: /* Unknown user */ |
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errx(1, "%s is not listed in %s", name, _PATH_SKEYDIR); |
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break; |
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} |
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(void)fclose(key.keyfile); |
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exit(error ? 1 : 0); |
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} |
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void |
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usage(void) |
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{ |
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(void)fprintf(stderr, "usage: %s [-v] [user]\n", __progname); |
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exit(1); |
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} |