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author	Volker Lendecke <vl@samba.org>	2015-02-13 14:06:29 +0100
committer	David Disseldorp <ddiss@samba.org>	2015-02-13 18:24:38 +0100
commit	8ca918f63a453378ef9c9da8e73f1a3554759260 (patch)
tree	50813fcaf9966104e691fbb1e611bd865f899f8e /python/examples
parent	37f7a177f01f4c327d7e7808d888e9eedc8ff575 (diff)
download	samba-8ca918f63a453378ef9c9da8e73f1a3554759260.tar.gz samba-8ca918f63a453378ef9c9da8e73f1a3554759260.tar.xz samba-8ca918f63a453378ef9c9da8e73f1a3554759260.zip

docs: Fix vfs_shadow_copy(8)

Found by Miguel Medalha <miguelmedalha@sapo.pt> Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org> Autobuild-User(master): David Disseldorp <ddiss@samba.org> Autobuild-Date(master): Fri Feb 13 18:24:38 CET 2015 on sn-devel-104

Diffstat (limited to 'python/examples')

0 files changed, 0 insertions, 0 deletions

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/** BEGIN COPYRIGHT BLOCK
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional permission under GPLv3 section 7:
 *
 * In the following paragraph, "GPL" means the GNU General Public
 * License, version 3 or any later version, and "Non-GPL Code" means
 * code that is governed neither by the GPL nor a license
 * compatible with the GPL.
 *
 * You may link the code of this Program with Non-GPL Code and convey
 * linked combinations including the two, provided that such Non-GPL
 * Code only links to the code of this Program through those well
 * defined interfaces identified in the file named EXCEPTION found in
 * the source code files (the "Approved Interfaces"). The files of
 * Non-GPL Code may instantiate templates or use macros or inline
 * functions from the Approved Interfaces without causing the resulting
 * work to be covered by the GPL. Only the copyright holders of this
 * Program may make changes or additions to the list of Approved
 * Interfaces.
 *
 * Authors:
 * Simo Sorce <ssorce@redhat.com>
 *
 * Copyright (C) 2007-2010 Red Hat, Inc.
 * All rights reserved.
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#include <dirsrv/slapi-plugin.h>
#include <lber.h>
#include <time.h>

#include <endian.h>

#include "ipapwd.h"
#include "util.h"
#include "ipa_krb5.h"

/* krbTicketFlags */
#define KTF_DISALLOW_POSTDATED        0x00000001
#define KTF_DISALLOW_FORWARDABLE      0x00000002
#define KTF_DISALLOW_TGT_BASED        0x00000004
#define KTF_DISALLOW_RENEWABLE        0x00000008
#define KTF_DISALLOW_PROXIABLE        0x00000010
#define KTF_DISALLOW_DUP_SKEY         0x00000020
#define KTF_DISALLOW_ALL_TIX          0x00000040
#define KTF_REQUIRES_PRE_AUTH         0x00000080
#define KTF_REQUIRES_HW_AUTH          0x00000100
#define KTF_REQUIRES_PWCHANGE         0x00000200
#define KTF_DISALLOW_SVR              0x00001000
#define KTF_PWCHANGE_SERVICE          0x00002000

/* ascii hex output of bytes in "in"
 * out len is 32 (preallocated)
 * in len is 16 */
static const char hexchars[] = "0123456789ABCDEF";
static void hexbuf(char *out, const uint8_t *in)
{
    int i;

    for (i = 0; i < 16; i++) {
        out[i*2] = hexchars[in[i] >> 4];
        out[i*2+1] = hexchars[in[i] & 0x0f];
    }
}

void ipapwd_keyset_free(struct ipapwd_keyset **pkset)
{
    struct ipapwd_keyset *kset = *pkset;
    int i;

    if (!kset) return;

    for (i = 0; i < kset->num_keys; i++) {
        free(kset->keys[i].key_data_contents[0]);
        free(kset->keys[i].key_data_contents[1]);
    }
    free(kset->keys);
    free(kset);
    *pkset = NULL;
}

static Slapi_Value **encrypt_encode_key(struct ipapwd_krbcfg *krbcfg,
                                        struct ipapwd_data *data,
                                        char **errMesg)
{
    krb5_context krbctx;
    char *krbPrincipalName = NULL;
    int kvno;
    struct berval *bval = NULL;
    Slapi_Value **svals = NULL;
    krb5_principal princ = NULL;
    krb5_error_code krberr;
    krb5_data pwd;
    struct ipapwd_keyset *kset = NULL;

    krbctx = krbcfg->krbctx;

    svals = (Slapi_Value **)calloc(2, sizeof(Slapi_Value *));
    if (!svals) {
        LOG_OOM();
        return NULL;
    }

    kvno = ipapwd_get_cur_kvno(data->target);

    krbPrincipalName = slapi_entry_attr_get_charptr(data->target,
                                                    "krbPrincipalName");
    if (!krbPrincipalName) {
        *errMesg = "no krbPrincipalName present in this entry\n";
        LOG_FATAL("%s", *errMesg);
        goto enc_error;
    }

    krberr = krb5_parse_name(krbctx, krbPrincipalName, &princ);
    if (krberr) {
        LOG_FATAL("krb5_parse_name failed [%s]\n",
                  krb5_get_error_message(krbctx, krberr));
        goto enc_error;
    }

    pwd.data = (char *)data->password;
    pwd.length = strlen(data->password);

    kset = malloc(sizeof(struct ipapwd_keyset));
    if (!kset) {
        LOG_OOM();
        goto enc_error;
    }

    /* this encoding assumes all keys have the same kvno */
    /* major-vno = 1 and minor-vno = 1 */
    kset->major_vno = 1;
    kset->minor_vno = 1;
    /* increment kvno (will be 1 if this is a new entry) */
    kvno += 1;
    kset->mkvno = krbcfg->mkvno;

    krberr = ipa_krb5_generate_key_data(krbctx, princ,
                                        pwd, kvno, krbcfg->kmkey,
                                        krbcfg->num_pref_encsalts,
                                        krbcfg->pref_encsalts,
                                        &kset->num_keys, &kset->keys);
    if (krberr != 0) {
        LOG_FATAL("generating kerberos keys failed [%s]\n",
                  krb5_get_error_message(krbctx, krberr));
        goto enc_error;
    }

    krberr = ber_encode_krb5_key_data(kset->keys, kset->num_keys,
                                      kset->mkvno, &bval);
    if (krberr != 0) {
        LOG_FATAL("encoding krb5_key_data failed\n");
        goto enc_error;
    }

    svals[0] = slapi_value_new_berval(bval);
    if (!svals[0]) {
        LOG_FATAL("Converting berval to Slapi_Value\n");
        goto enc_error;
    }

    ipapwd_keyset_free(&kset);
    krb5_free_principal(krbctx, princ);
    slapi_ch_free_string(&krbPrincipalName);
    ber_bvfree(bval);
    return svals;

enc_error:
    *errMesg = "key encryption/encoding failed\n";
    if (kset) ipapwd_keyset_free(&kset);
    krb5_free_principal(krbctx, princ);
    slapi_ch_free_string(&krbPrincipalName);
    if (bval) ber_bvfree(bval);
    free(svals);
    return NULL;
}


#define KTF_DOS_CHARSET "CP850" /* same default as samba */
#define KTF_UTF8 "UTF-8"
#define KTF_UCS2 "UCS-2LE"

static const uint8_t parity_table[128] = {
      1,  2,  4,  7,  8, 11, 13, 14, 16, 19, 21, 22, 25, 26, 28, 31,
     32, 35, 37, 38, 41, 42, 44, 47, 49, 50, 52, 55, 56, 59, 61, 62,
     64, 67, 69, 70, 73, 74, 76, 79, 81, 82, 84, 87, 88, 91, 93, 94,
     97, 98,100,103,104,107,109,110,112,115,117,118,121,122,124,127,
    128,131,133,134,137,138,140,143,145,146,148,151,152,155,157,158,
    161,162,164,167,168,171,173,174,176,179,181,182,185,186,188,191,
    193,194,196,199,200,203,205,206,208,211,213,214,217,218,220,223,
    224,227,229,230,233,234,236,239,241,242,244,247,248,251,253,254
};

static void lm_shuffle(uint8_t *out, uint8_t *in)
{
    out[0] = parity_table[in[0]>>1];
    out[1] = parity_table[((in[0]<<6)|(in[1]>>2)) & 0x7F];
    out[2] = parity_table[((in[1]<<5)|(in[2]>>3)) & 0x7F];
    out[3] = parity_table[((in[2]<<4)|(in[3]>>4)) & 0x7F];
    out[4] = parity_table[((in[3]<<3)|(in[4]>>5)) & 0x7F];
    out[5] = parity_table[((in[4]<<2)|(in[5]>>6)) & 0x7F];


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