/*****************************************************************
**
** @(#) zkt-ls.c (c) Jan 2010 Holger Zuleger hznet.de
**
** Secure DNS zone key tool
** A command to list dnssec keys
**
** Copyright (c) 2005 - 2010, Holger Zuleger HZnet. All rights reserved.
**
** This software is open source.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** Redistributions of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
**
** Redistributions in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
**
** Neither the name of Holger Zuleger HZnet nor the names of its contributors may
** be used to endorse or promote products derived from this software without
** specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
**
*****************************************************************/
# include <stdio.h>
# include <stdlib.h> /* abort(), exit(), ... */
# include <string.h>
# include <dirent.h>
# include <assert.h>
# include <unistd.h>
# include <ctype.h>
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
# include "config_zkt.h"
#if defined(HAVE_GETOPT_LONG) && HAVE_GETOPT_LONG
# include <getopt.h>
#endif
# include "debug.h"
# include "misc.h"
# include "strlist.h"
# include "zconf.h"
# include "dki.h"
# include "tcap.h"
# include "zkt.h"
extern int optopt;
extern int opterr;
extern int optind;
extern char *optarg;
const char *progname;
char *labellist = NULL;
int headerflag = 1;
int ageflag = 0;
int lifetime = 0;
int lifetimeflag = 0;
int timeflag = 1;
int exptimeflag = 0;
int pathflag = 0;
int kskflag = 1;
int zskflag = 1;
int ljustflag = 0;
int subdomain_before_parent = 1;
static int dirflag = 0;
static int recflag = RECURSIVE;
static int trustedkeyflag = 0;
static const char *view = "";
static const char *term = NULL;
#if defined(COLOR_MODE) && COLOR_MODE
# define short_options ":HKTV:afC::c:O:dhkLl:prstez"
#else
# define short_options ":HKTV:af:c:O:dhkLl:prstez"
#endif
#if defined(HAVE_GETOPT_LONG) && HAVE_GETOPT_LONG
static struct option long_options[] = {
{"list-dnskeys", no_argument, NULL, 'K'},
{"list-trustedkeys", no_argument, NULL, 'T'},
{"ksk", no_argument, NULL, 'k'},
{"zsk", no_argument, NULL, 'z'},
{"age", no_argument, NULL, 'a'},
{"lifetime", no_argument, NULL, 'f'},
{"time", no_argument, NULL, 't'},
{"expire", no_argument, NULL, 'e'},
{"recursive", no_argument, NULL, 'r'},
{"leftjust", no_argument, NULL, 'L'},
{"label-list", no_argument, NULL, 'l'},
{"path", no_argument, NULL, 'p'},
{"sort", no_argument, NULL, 's'},
{"subdomain", no_argument, NULL, 's'},
{"nohead", no_argument, NULL, 'h'},
{"directory", no_argument, NULL, 'd'},
#if defined(COLOR_MODE) && COLOR_MODE
{"color", optional_argument, NULL, 'C'},
#endif
{"config", required_argument, NULL, 'c'},
{"option", required_argument, NULL, 'O'},
{"config-option", required_argument, NULL, 'O'},
{"view", required_argument, NULL, 'V' },
{"help", no_argument, NULL, 'H'},
{0, 0, 0, 0}
};
#endif
static int parsedirectory (const char *dir, dki_t **listp, int sub_before);
static void parsefile (const char *file, dki_t **listp, int sub_before);
static void usage (char *mesg, zconf_t *cp);
static void setglobalflags (zconf_t *config)
{
recflag = config->recursive;
ageflag = config->printage;
timeflag = config->printtime;
ljustflag = config->ljust;
term = config->colorterm;
if ( term && *term == '\0' )
term = getenv ("TERM");
}
int main (int argc, char *argv[])
{
dki_t *data = NULL;
int c;
int opt_index;
int action;
const char *file;
const char *defconfname = NULL;
char *p;
char str[254+1];
zconf_t *config;
progname = *argv;
if ( (p = strrchr (progname, '/')) )
progname = ++p;
view = getnameappendix (progname, "zkt-ls");
defconfname = getdefconfname (view);
config = loadconfig ("", (zconf_t *)NULL); /* load built in config */
if ( fileexist (defconfname) ) /* load default config file */
config = loadconfig (defconfname, config);
if ( config == NULL )
fatal ("Out of memory\n");
setglobalflags (config);
opterr = 0;
opt_index = 0;
action = 0;
#if defined(HAVE_GETOPT_LONG) && HAVE_GETOPT_LONG
while ( (c = getopt_long (argc, argv, short_options, long_options, &opt_index)) != -1 )
#else
while ( (c = getopt (argc, argv, short_options)) != -1 )
#endif
{
switch ( c )
{
#if defined(COLOR_MODE) && COLOR_MODE
case 'C': /* color mode on; optional with terminal name */
if ( optarg )
term = optarg;
else
term = getenv ("TERM");
break;
#endif
case 'T':
trustedkeyflag = 1;
subdomain_before_parent = 0;
zskflag = pathflag = 0;
/* fall through */
case 'H':
case 'K':
case 'Z':
action = c;
break;
case 'a': /* age */
ageflag = !ageflag;
break;
case 'f': /* key lifetime */
lifetimeflag = !lifetimeflag;
break;
case 'V': /* view name */
view = optarg;
defconfname = getdefconfname (view);
if ( fileexist (defconfname) ) /* load default config file */
config = loadconfig (defconfname, config);
if ( config == NULL )
fatal ("Out of memory\n");
setglobalflags (config);
break;
case 'c':
config = loadconfig (optarg, config);
setglobalflags (config);
checkconfig (config);
break;
case 'O': /* read option from commandline */
config = loadconfig_fromstr (optarg, config);
setglobalflags (config);
checkconfig (config);
break;
case 'd': /* ignore directory arg */
dirflag = 1;
break;
case 'h': /* print no headline */
headerflag = 0;
break;
case 'k': /* ksk only */
zskflag = 0;
break;
case 'L': /* ljust */
ljustflag = !ljustflag;
break;
case 'l': /* label list */
labellist = prepstrlist (optarg, LISTDELIM);
if ( labellist == NULL )
fatal ("Out of memory\n");
break;
case 'p': /* print path */
pathflag = 1;
break;
case 'r': /* switch recursive flag */
recflag = !recflag;
break;
case 's': /* switch subdomain sorting flag */
subdomain_before_parent = !subdomain_before_parent;
break;
case 't': /* time */
timeflag = !timeflag;
break;
case 'e': /* expire time */
exptimeflag = !exptimeflag;
break;
case 'z': /* zsk only */
kskflag = 0;
break;
case ':':
snprintf (str, sizeof(str), "option \"-%c\" requires an argument.\n",
optopt);
usage (str, config);
break;
case '?':
if ( isprint (optopt) )
snprintf (str, sizeof(str), "Unknown option \"-%c\".\n",
optopt);
else
snprintf (str, sizeof (str), "Unknown option char \\x%x.\n",
optopt);
usage (str, config);
break;
default:
abort();
}
}
if ( kskflag == 0 && zskflag == 0 )
kskflag = zskflag = 1;
tc_init (stdout, term);
c = optind;
do {
if ( c >= argc ) /* no args left */
file = config->zonedir; /* use default directory */
else
file = argv[c++];
if ( is_directory (file) )
parsedirectory (file, &data, subdomain_before_parent);
else
parsefile (file, &data, subdomain_before_parent);
} while ( c < argc ); /* for all arguments */
switch ( action )
{
case 'H':
usage ("", config);
case 'K':
zkt_list_dnskeys (data);
break;
case 'T':
zkt_list_trustedkeys (data);
break;
default:
zkt_list_keys (data);
}
tc_end (stdout, term);
return 0;
}
# define sopt_usage(mesg, value) fprintf (stderr, mesg, value)
#if defined(HAVE_GETOPT_LONG) && HAVE_GETOPT_LONG
# define lopt_usage(mesg, value) fprintf (stderr, mesg, value)
# define loptstr(lstr, sstr) lstr
#else
# define lopt_usage(mesg, value)
# define loptstr(lstr, sstr) sstr
#endif
static void usage (char *mesg, zconf_t *cp)
{
fprintf (stderr, "Secure DNS Zone Key Tool %s\n", ZKT_VERSION);
fprintf (stderr, "\n");
fprintf (stderr, "List keys in current or given directory (-r for recursive mode)\n");
sopt_usage ("\tusage: %s [-adefhkLprtzC] [-c config] [file|dir ...]\n", progname);
fprintf (stderr, "\n");
fprintf (stderr, "List public part of keys in DNSKEY RR format\n");
sopt_usage ("\tusage: %s -K [-dhkrz] [-c config] [file|dir ...]\n", progname);
lopt_usage ("\tusage: %s --list-dnskeys [-dhkzr] [-c config] [file|dir ...]\n", progname);
fprintf (stderr, "\n");
fprintf (stderr, "List keys (output is suitable for trusted-keys section)\n");
sopt_usage ("\tusage: %s -T [-dhrz] [-c config] [file|dir ...]\n", progname);
lopt_usage ("\tusage: %s --list-trustedkeys [-dhzr] [-c config] [file|dir ...]\n", progname);
fprintf (stderr, "\n");
fprintf (stderr, "General options \n");
fprintf (stderr, "\t-c file%s", loptstr (", --config=file\n", ""));
fprintf (stderr, "\t\t read config from <file> instead of %s\n", CONFIG_FILE);
fprintf (stderr, "\t-O optstr%s", loptstr (", --config-option=\"optstr\"\n", ""));
fprintf (stderr, "\t\t read config options from commandline\n");
fprintf (stderr, "\t-h%s\t no headline or trusted-key section header/trailer in -T mode\n", loptstr (", --nohead", "\t"));
fprintf (stderr, "\t-d%s\t skip directory arguments\n", loptstr (", --directory", "\t"));
fprintf (stderr, "\t-L%s\t print the domain name left justified (default: %s)\n", loptstr (", --leftjust", "\t"), ljustflag ? "on": "off");
fprintf (stderr, "\t-l list%s", loptstr (", --label=\"list\"\n\t", ""));
fprintf (stderr, "\t\t print out only zone keys from the given domain list\n");
fprintf (stderr, "\t-C[term]%s", loptstr (", --color[=\"term\"]\n\t", ""));
fprintf (stderr, "\t\t turn color mode on \n");
fprintf (stderr, "\t-p%s\t show path of keyfile / create key in current directory\n", loptstr (", --path", "\t"));
fprintf (stderr, "\t-r%s\t recursive mode on/off (default: %s)\n", loptstr(", --recursive", "\t"), recflag ? "on": "off");
fprintf (stderr, "\t-s%s\t change sorting of subdomains\n", loptstr(", --subdomain", "\t"));
fprintf (stderr, "\t-a%s\t print age of key (default: %s)\n", loptstr (", --age", "\t"), ageflag ? "on": "off");
fprintf (stderr, "\t-t%s\t print key generation time (default: %s)\n", loptstr (", --time", "\t"),
timeflag ? "on": "off");
fprintf (stderr, "\t-e%s\t print key expiration time\n", loptstr (", --expire", "\t"));
fprintf (stderr, "\t-f%s\t print key lifetime\n", loptstr (", --lifetime", "\t"));
fprintf (stderr, "\t-k%s\t key signing keys only\n", loptstr (", --ksk", "\t"));
fprintf (stderr, "\t-z%s\t zone signing keys only\n", loptstr (", --zsk", "\t"));
if ( mesg && *mesg )
fprintf (stderr, "%s\n", mesg);
exit (1);
}
static int parsedirectory (const char *dir, dki_t **listp, int sub_before)
{
dki_t *dkp;
DIR *dirp;
struct dirent *dentp;
char path[MAX_PATHSIZE+1];
if ( dirflag )
return 0;
dbg_val ("directory: opendir(%s)\n", dir);
if ( (dirp = opendir (dir)) == NULL )
return 0;
while ( (dentp = readdir (dirp)) != NULL )
{
if ( is_dotfilename (dentp->d_name) )
continue;
dbg_val ("directory: check %s\n", dentp->d_name);
pathname (path, sizeof (path), dir, dentp->d_name, NULL);
if ( is_directory (path) && recflag )
{
dbg_val ("directory: recursive %s\n", path);
parsedirectory (path, listp, sub_before);
}
else if ( is_keyfilename (dentp->d_name) )
if ( (dkp = dki_read (dir, dentp->d_name)) )
{
// fprintf (stderr, "parsedir: tssearch (%d %s)\n", dkp, dkp->name);
#if defined (USE_TREE) && USE_TREE
dki_tadd (listp, dkp, sub_before);
#else
dki_add (listp, dkp);
#endif
}
}
closedir (dirp);
return 1;
}
static void parsefile (const char *file, dki_t **listp, int sub_before)
{
char path[MAX_PATHSIZE+1];
dki_t *dkp;
/* file arg contains path ? ... */
file = splitpath (path, sizeof (path), file); /* ... then split of */
if ( is_keyfilename (file) ) /* plain file name looks like DNS key file ? */
{
if ( (dkp = dki_read (path, file)) ) /* read DNS key file ... */
#if defined (USE_TREE) && USE_TREE
dki_tadd (listp, dkp, sub_before); /* ... and add to tree */
#else
dki_add (listp, dkp); /* ... and add to list */
#endif
else
error ("error parsing %s: (%s)\n", file, dki_geterrstr());
}
}