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📁 ..
📄 Makefile.am(3.01 KB)
📄 Makefile.in(52.65 KB)
📄 announce.c(12.52 KB)
📄 config.c(7.98 KB)
📄 connect.c(22.43 KB)
📄 default_config.c(8.69 KB)
📄 digest-service.c(7.25 KB)
📄 digest.c(38.97 KB)
📄 headers.h(3.02 KB)
📄 hprop.8(4.11 KB)
📄 hprop.c(12.22 KB)
📄 hprop.h(2.38 KB)
📄 hpropd.8(2.75 KB)
📄 hpropd.c(7.85 KB)
📄 kdc-private.h(5.05 KB)
📄 kdc-protos.h(2.25 KB)
📄 kdc-replay.c(5.68 KB)
📄 kdc.8(8.06 KB)
📄 kdc.h(3.5 KB)
📄 kdc_locl.h(2.57 KB)
📄 kerberos5.c(50.14 KB)
📄 krb5tgs.c(60.83 KB)
📄 kstash.8(3.03 KB)
📄 kstash.c(4.92 KB)
📄 kx509.c(11.88 KB)
📄 log.c(3.1 KB)
📄 main.c(4.47 KB)
📄 misc.c(4.93 KB)
📄 mit_dump.c(11.96 KB)
📄 pkinit.c(48.43 KB)
📄 process.c(7.16 KB)
📄 rx.h(2.41 KB)
📄 set_dbinfo.c(3.36 KB)
📄 string2key.8(2.75 KB)
📄 string2key.c(5.32 KB)
📄 version-script.map(425 B)
📄 windc.c(3.66 KB)
📄 windc_plugin.h(3.18 KB)

Editing: kstash.c

/*
 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "headers.h"

krb5_context context;

static char *keyfile;
static int convert_flag;
static int help_flag;
static int version_flag;

static int master_key_fd = -1;
static int random_key_flag;

static const char *enctype_str = "des3-cbc-sha1";

static struct getargs args[] = {
    { "enctype", 'e', arg_string, rk_UNCONST(&enctype_str), "encryption type",
	NULL },
    { "key-file", 'k', arg_string, &keyfile, "master key file", "file" },
    { "convert-file", 0, arg_flag, &convert_flag,
      "just convert keyfile to new format", NULL },
    { "master-key-fd", 0, arg_integer, &master_key_fd,
      "filedescriptor to read passphrase from", "fd" },
    { "random-key", 0, arg_flag, &random_key_flag,
	"generate a random master key", NULL },
    { "help", 'h', arg_flag, &help_flag, NULL, NULL },
    { "version", 0, arg_flag, &version_flag, NULL, NULL }
};

int num_args = sizeof(args) / sizeof(args[0]);

int
main(int argc, char **argv)
{
    char buf[1024];
    krb5_error_code ret;

krb5_enctype enctype;

hdb_master_key mkey;

krb5_program_setup(&context, argc, argv, args, num_args, NULL);

if(help_flag)
	krb5_std_usage(0, args, num_args);
    if(version_flag){
	print_version(NULL);
	exit(0);
    }

if (master_key_fd != -1 && random_key_flag)
	krb5_errx(context, 1, "random-key and master-key-fd "
		  "is mutual exclusive");

if (keyfile == NULL)
	asprintf(&keyfile, "%s/m-key", hdb_db_dir(context));

ret = krb5_string_to_enctype(context, enctype_str, &enctype);
    if(ret)
	krb5_err(context, 1, ret, "krb5_string_to_enctype");

ret = hdb_read_master_key(context, keyfile, &mkey);
    if(ret && ret != ENOENT)
	krb5_err(context, 1, ret, "reading master key from %s", keyfile);

if (convert_flag) {
	if (ret)
	    krb5_err(context, 1, ret, "reading master key from %s", keyfile);
    } else {
	krb5_keyblock key;
	krb5_salt salt;
	salt.salttype = KRB5_PW_SALT;
	/* XXX better value? */
	salt.saltvalue.data = NULL;
	salt.saltvalue.length = 0;
	if (random_key_flag) {
	    ret = krb5_generate_random_keyblock(context, enctype, &key);
	    if (ret)
		krb5_err(context, 1, ret, "krb5_generate_random_keyblock");

} else {
	    if(master_key_fd != -1) {
		ssize_t n;
		n = read(master_key_fd, buf, sizeof(buf));
		if(n <= 0)
		    krb5_err(context, 1, errno, "failed to read passphrase");
		buf[n] = '\0';
		buf[strcspn(buf, "\r\n")] = '\0';

} else {
		if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Master key: ", 1))
		    exit(1);
	    }
	    krb5_string_to_key_salt(context, enctype, buf, salt, &key);
	}
	ret = hdb_add_master_key(context, &key, &mkey);

krb5_free_keyblock_contents(context, &key);

}

{
	char *new, *old;
	asprintf(&old, "%s.old", keyfile);
	asprintf(&new, "%s.new", keyfile);
	if(unlink(new) < 0 && errno != ENOENT) {
	    ret = errno;
	    goto out;
	}
	krb5_warnx(context, "writing key to `%s'", keyfile);
	ret = hdb_write_master_key(context, new, mkey);
	if(ret)
	    unlink(new);
	else {
#ifndef NO_POSIX_LINKS
	    unlink(old);
	    if(link(keyfile, old) < 0 && errno != ENOENT) {
		ret = errno;
		unlink(new);
	    } else {
#endif
		if(rename(new, keyfile) < 0) {
		    ret = errno;
		}
#ifndef NO_POSIX_LINKS
	    }
#endif
	}
    out:
	free(old);
	free(new);
	if(ret)
	    krb5_warn(context, errno, "writing master key file");
    }

hdb_free_master_key(context, mkey);

exit(ret != 0);
}

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Editing: kstash.c

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