GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/skeyinfo/skeyinfo.c Lines: 0 35 0.0 %
Date: 2017-11-13 Branches: 0 28 0.0 %

Line Branch Exec Source
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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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}