s4:heimdal: import lorikeet-heimdal-202201172009 (commit 5a0b45cd723628b3690ea848548b...
[samba.git] / source4 / heimdal / kadmin / init.c
diff --git a/source4/heimdal/kadmin/init.c b/source4/heimdal/kadmin/init.c
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+/*
+ * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. 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 "kadmin_locl.h"
+#include "kadmin-commands.h"
+#include <kadm5/private.h>
+
+#define CRE_DUP_OK     1
+
+static kadm5_ret_t
+create_random_entry(krb5_principal princ,
+                   unsigned max_life,
+                   unsigned max_rlife,
+                   uint32_t attributes,
+                   unsigned flags)
+{
+    kadm5_principal_ent_rec ent;
+    kadm5_ret_t ret;
+    int mask = 0;
+    krb5_keyblock *keys;
+    int n_keys, i;
+    char *name;
+
+    ret = krb5_unparse_name(context, princ, &name);
+    if (ret) {
+       krb5_warn(context, ret, "failed to unparse principal name");
+       return ret;
+    }
+
+    memset(&ent, 0, sizeof(ent));
+    ent.principal = princ;
+    mask |= KADM5_PRINCIPAL;
+    if (max_life) {
+       ent.max_life = max_life;
+       mask |= KADM5_MAX_LIFE;
+    }
+    if (max_rlife) {
+       ent.max_renewable_life = max_rlife;
+       mask |= KADM5_MAX_RLIFE;
+    }
+    ent.attributes |= attributes | KRB5_KDB_DISALLOW_ALL_TIX;
+    mask |= KADM5_ATTRIBUTES | KADM5_KEY_DATA;
+
+    /* Create the entry with no keys or password */
+    ret = kadm5_s_create_principal_with_key(kadm_handle, &ent, mask);
+    if(ret) {
+       if (ret == KADM5_DUP && (flags & CRE_DUP_OK))
+           goto out;
+       krb5_warn(context, ret, "create_random_entry(%s): create failed",
+                 name);
+       goto out;
+    }
+
+    /* Replace the string2key based keys with real random bytes */
+    ret = kadm5_randkey_principal(kadm_handle, princ, &keys, &n_keys);
+    if(ret) {
+       krb5_warn(context, ret, "create_random_entry(%s): randkey failed",
+                 name);
+       goto out;
+    }
+    for(i = 0; i < n_keys; i++)
+       krb5_free_keyblock_contents(context, &keys[i]);
+    free(keys);
+    ret = kadm5_get_principal(kadm_handle, princ, &ent,
+                             KADM5_PRINCIPAL | KADM5_ATTRIBUTES);
+    if(ret) {
+       krb5_warn(context, ret, "create_random_entry(%s): "
+                 "unable to get principal", name);
+       goto out;
+    }
+    ent.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
+    ent.kvno = 1;
+    ret = kadm5_modify_principal(kadm_handle, &ent,
+                                KADM5_ATTRIBUTES|KADM5_KVNO);
+    kadm5_free_principal_ent (kadm_handle, &ent);
+    if(ret) {
+       krb5_warn(context, ret, "create_random_entry(%s): "
+                 "unable to modify principal", name);
+       goto out;
+    }
+ out:
+    free(name);
+    return ret;
+}
+
+extern int local_flag;
+
+int
+init(struct init_options *opt, int argc, char **argv)
+{
+    kadm5_ret_t ret;
+    int i;
+    HDB *db;
+    krb5_deltat max_life = 0, max_rlife = 0;
+
+    if (!local_flag) {
+       krb5_warnx(context, "init is only available in local (-l) mode");
+       return 0;
+    }
+
+    if (opt->realm_max_ticket_life_string) {
+       if (str2deltat (opt->realm_max_ticket_life_string, &max_life) != 0) {
+           krb5_warnx (context, "unable to parse \"%s\"",
+                       opt->realm_max_ticket_life_string);
+           return 0;
+       }
+    }
+    if (opt->realm_max_renewable_life_string) {
+       if (str2deltat (opt->realm_max_renewable_life_string, &max_rlife) != 0) {
+           krb5_warnx (context, "unable to parse \"%s\"",
+                       opt->realm_max_renewable_life_string);
+           return 0;
+       }
+    }
+
+    db = _kadm5_s_get_db(kadm_handle);
+
+    ret = db->hdb_open(context, db, O_RDWR | O_CREAT, 0600);
+    if(ret){
+       krb5_warn(context, ret, "hdb_open");
+       return 0;
+    }
+    ret = kadm5_log_reinit(kadm_handle, 0);
+    if (ret)
+        krb5_err(context, 1, ret, "Failed iprop log initialization");
+    kadm5_log_end(kadm_handle);
+    db->hdb_close(context, db);
+    for(i = 0; i < argc; i++){
+       krb5_principal princ;
+       const char *realm = argv[i];
+
+       if (opt->realm_max_ticket_life_string == NULL) {
+           max_life = 0;
+           if(edit_deltat ("Realm max ticket life", &max_life, NULL, 0)) {
+               return 0;
+           }
+       }
+       if (opt->realm_max_renewable_life_string == NULL) {
+           max_rlife = 0;
+           if(edit_deltat("Realm max renewable ticket life", &max_rlife,
+                          NULL, 0)) {
+               return 0;
+           }
+       }
+
+       /* Create `krbtgt/REALM' */
+       ret = krb5_make_principal(context, &princ, realm,
+                                 KRB5_TGS_NAME, realm, NULL);
+       if(ret)
+           return 0;
+
+       create_random_entry(princ, max_life, max_rlife, 0, 0);
+       krb5_free_principal(context, princ);
+
+       if (opt->bare_flag)
+           continue;
+
+       /* Create `kadmin/changepw' */
+       krb5_make_principal(context, &princ, realm,
+                           "kadmin", "changepw", NULL);
+       /*
+        * The Windows XP (at least) password changing protocol
+        * request the `kadmin/changepw' ticket with `renewable_ok,
+        * renewable, forwardable' and so fails if we disallow
+        * forwardable here.
+        */
+       create_random_entry(princ, 5*60, 5*60,
+                           KRB5_KDB_DISALLOW_TGT_BASED|
+                           KRB5_KDB_PWCHANGE_SERVICE|
+                           KRB5_KDB_DISALLOW_POSTDATED|
+                           KRB5_KDB_DISALLOW_RENEWABLE|
+                           KRB5_KDB_DISALLOW_PROXIABLE|
+                           KRB5_KDB_REQUIRES_PRE_AUTH,
+                           0);
+       krb5_free_principal(context, princ);
+
+       /* Create `kadmin/admin' */
+       krb5_make_principal(context, &princ, realm,
+                           "kadmin", "admin", NULL);
+       create_random_entry(princ, 60*60, 60*60, KRB5_KDB_REQUIRES_PRE_AUTH, 0);
+       krb5_free_principal(context, princ);
+
+       /* Create `changepw/kerberos' (for v4 compat) */
+       krb5_make_principal(context, &princ, realm,
+                           "changepw", "kerberos", NULL);
+       create_random_entry(princ, 60*60, 60*60,
+                           KRB5_KDB_DISALLOW_TGT_BASED|
+                           KRB5_KDB_PWCHANGE_SERVICE, 0);
+
+       krb5_free_principal(context, princ);
+
+       /* Create `kadmin/hprop' for database propagation */
+       krb5_make_principal(context, &princ, realm,
+                           "kadmin", "hprop", NULL);
+       create_random_entry(princ, 60*60, 60*60,
+                           KRB5_KDB_REQUIRES_PRE_AUTH|
+                           KRB5_KDB_DISALLOW_TGT_BASED, 0);
+       krb5_free_principal(context, princ);
+
+       /* Create `WELLKNOWN/ANONYMOUS' for anonymous as-req */
+       krb5_make_principal(context, &princ, realm,
+                           KRB5_WELLKNOWN_NAME, KRB5_ANON_NAME, NULL);
+       create_random_entry(princ, 60*60, 60*60,
+                           KRB5_KDB_REQUIRES_PRE_AUTH, 0);
+       krb5_free_principal(context, princ);
+
+       /* Create `WELLKNOWN/FEDERATED' for GSS preauth */
+       krb5_make_principal(context, &princ, realm,
+                           KRB5_WELLKNOWN_NAME, KRB5_FEDERATED_NAME, NULL);
+       create_random_entry(princ, 60*60, 60*60,
+                           KRB5_KDB_REQUIRES_PRE_AUTH, 0);
+       krb5_free_principal(context, princ);
+
+       /* Create `WELLKNONW/org.h5l.fast-cookie@WELLKNOWN:ORG.H5L' for FAST cookie */
+       krb5_make_principal(context, &princ, KRB5_WELLKNOWN_ORG_H5L_REALM,
+                           KRB5_WELLKNOWN_NAME, "org.h5l.fast-cookie", NULL);
+       create_random_entry(princ, 60*60, 60*60,
+                           KRB5_KDB_REQUIRES_PRE_AUTH|
+                           KRB5_KDB_DISALLOW_TGT_BASED|
+                           KRB5_KDB_DISALLOW_ALL_TIX, CRE_DUP_OK);
+       krb5_free_principal(context, princ);
+
+       /* Create `default' */
+       {
+           kadm5_principal_ent_rec ent;
+           int mask = 0;
+
+           memset (&ent, 0, sizeof(ent));
+           mask |= KADM5_PRINCIPAL;
+           krb5_make_principal(context, &ent.principal, realm,
+                               "default", NULL);
+           mask |= KADM5_MAX_LIFE;
+           ent.max_life = 24 * 60 * 60;
+           mask |= KADM5_MAX_RLIFE;
+           ent.max_renewable_life = 7 * ent.max_life;
+           ent.attributes = KRB5_KDB_DISALLOW_ALL_TIX;
+           mask |= KADM5_ATTRIBUTES;
+
+           ret = kadm5_create_principal(kadm_handle, &ent, mask, "");
+           if (ret)
+               krb5_err (context, 1, ret, "kadm5_create_principal");
+
+           krb5_free_principal(context, ent.principal);
+       }
+    }
+    return 0;
+}