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-rw-r--r--third_party/heimdal/lib/kadm5/ent_setup.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/kadm5/ent_setup.c b/third_party/heimdal/lib/kadm5/ent_setup.c
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+++ b/third_party/heimdal/lib/kadm5/ent_setup.c
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+/*
+ * Copyright (c) 1997 - 2000 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 "kadm5_locl.h"
+
+RCSID("$Id$");
+
+#define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0)
+#define set_null(X) do { if((X) != NULL) free((X)); (X) = NULL; } while (0)
+
+static void
+attr_to_flags(unsigned attr, HDBFlags *flags)
+{
+ flags->postdate = !(attr & KRB5_KDB_DISALLOW_POSTDATED);
+ flags->forwardable = !(attr & KRB5_KDB_DISALLOW_FORWARDABLE);
+ flags->initial = !!(attr & KRB5_KDB_DISALLOW_TGT_BASED);
+ flags->renewable = !(attr & KRB5_KDB_DISALLOW_RENEWABLE);
+ flags->proxiable = !(attr & KRB5_KDB_DISALLOW_PROXIABLE);
+ /* DUP_SKEY */
+ flags->invalid = !!(attr & KRB5_KDB_DISALLOW_ALL_TIX);
+ flags->require_preauth = !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH);
+ flags->require_pwchange = !!(attr & KRB5_KDB_REQUIRES_PWCHANGE);
+ /* HW_AUTH */
+ flags->server = !(attr & KRB5_KDB_DISALLOW_SVR);
+ flags->change_pw = !!(attr & KRB5_KDB_PWCHANGE_SERVICE);
+ flags->client = !(attr & KRB5_KDB_DISALLOW_CLIENT);
+ flags->ok_as_delegate = !!(attr & KRB5_KDB_OK_AS_DELEGATE);
+ flags->trusted_for_delegation = !!(attr & KRB5_KDB_TRUSTED_FOR_DELEGATION);
+ flags->allow_kerberos4 = !!(attr & KRB5_KDB_ALLOW_KERBEROS4);
+ flags->allow_digest = !!(attr & KRB5_KDB_ALLOW_DIGEST);
+ flags->materialize = !!(attr & KRB5_KDB_MATERIALIZE);
+ flags->virtual_keys = !!(attr & KRB5_KDB_VIRTUAL_KEYS);
+ flags->virtual = !!(attr & KRB5_KDB_VIRTUAL);
+ flags->no_auth_data_reqd = !!(attr & KRB5_KDB_NO_AUTH_DATA_REQUIRED);
+}
+
+/*
+ * Modify the `ent' according to `tl_data'.
+ */
+
+static kadm5_ret_t
+perform_tl_data(krb5_context context,
+ HDB *db,
+ hdb_entry *ent,
+ const krb5_tl_data *tl_data)
+{
+ kadm5_ret_t ret = 0;
+
+ if (tl_data->tl_data_type == KRB5_TL_PASSWORD) {
+ heim_utf8_string pw = tl_data->tl_data_contents;
+
+ if (pw[tl_data->tl_data_length] != '\0')
+ return KADM5_BAD_TL_TYPE;
+
+ ret = hdb_entry_set_password(context, db, ent, pw);
+
+ } else if (tl_data->tl_data_type == KRB5_TL_LAST_PWD_CHANGE) {
+ unsigned long t;
+ unsigned char *s;
+
+ if (tl_data->tl_data_length != 4)
+ return KADM5_BAD_TL_TYPE;
+
+ s = tl_data->tl_data_contents;
+
+ (void) _krb5_get_int(s, &t, tl_data->tl_data_length);
+ ret = hdb_entry_set_pw_change_time(context, ent, t);
+
+ } else if (tl_data->tl_data_type == KRB5_TL_KEY_ROTATION) {
+ HDB_Ext_KeyRotation *prev_kr = 0;
+ HDB_extension *prev_ext;
+ HDB_extension ext;
+
+ ext.mandatory = 0;
+ ext.data.element = choice_HDB_extension_data_key_rotation;
+ prev_ext = hdb_find_extension(ent, ext.data.element);
+ if (prev_ext)
+ prev_kr = &prev_ext->data.u.key_rotation;
+ ret = decode_HDB_Ext_KeyRotation(tl_data->tl_data_contents,
+ tl_data->tl_data_length,
+ &ext.data.u.key_rotation, NULL);
+ if (ret == 0)
+ ret = hdb_validate_key_rotations(context, prev_kr,
+ &ext.data.u.key_rotation);
+ if (ret == 0)
+ ret = hdb_replace_extension(context, ent, &ext);
+ free_HDB_extension(&ext);
+ } else if (tl_data->tl_data_type == KRB5_TL_EXTENSION) {
+ HDB_extension ext;
+
+ ret = decode_HDB_extension(tl_data->tl_data_contents,
+ tl_data->tl_data_length,
+ &ext,
+ NULL);
+ if (ret)
+ return KADM5_BAD_TL_TYPE;
+
+ if (ext.data.element == choice_HDB_extension_data_key_rotation) {
+ HDB_extension *prev_ext = hdb_find_extension(ent,
+ ext.data.element);
+ HDB_Ext_KeyRotation *prev_kr = 0;
+
+ if (prev_ext)
+ prev_kr = &prev_ext->data.u.key_rotation;
+ ret = hdb_validate_key_rotations(context, prev_kr,
+ &ext.data.u.key_rotation);
+ }
+ if (ret)
+ ret = KADM5_BAD_TL_TYPE; /* XXX Need new error code */
+ if (ret == 0)
+ ret = hdb_replace_extension(context, ent, &ext);
+ free_HDB_extension(&ext);
+ } else if (tl_data->tl_data_type == KRB5_TL_ETYPES) {
+ if (!ent->etypes &&
+ (ent->etypes = calloc(1,
+ sizeof(ent->etypes[0]))) == NULL)
+ ret = krb5_enomem(context);
+ if (ent->etypes)
+ free_HDB_EncTypeList(ent->etypes);
+ if (ret == 0)
+ ret = decode_HDB_EncTypeList(tl_data->tl_data_contents,
+ tl_data->tl_data_length,
+ ent->etypes, NULL);
+ if (ret)
+ return KADM5_BAD_TL_TYPE;
+ } else if (tl_data->tl_data_type == KRB5_TL_ALIASES) {
+ return 0;
+ } else {
+ return KADM5_BAD_TL_TYPE;
+ }
+ return ret;
+}
+
+static void
+default_flags(hdb_entry *ent)
+{
+ ent->flags.client = 1;
+ ent->flags.server = 1;
+ ent->flags.forwardable = 1;
+ ent->flags.proxiable = 1;
+ ent->flags.renewable = 1;
+ ent->flags.postdate = 1;
+}
+
+
+/*
+ * Create the hdb entry `ent' based on data from `princ' with
+ * `princ_mask' specifying what fields to be gotten from there and
+ * `mask' specifying what fields we want filled in.
+ */
+
+kadm5_ret_t
+_kadm5_setup_entry(kadm5_server_context *context,
+ hdb_entry *ent,
+ uint32_t mask,
+ kadm5_principal_ent_t princ,
+ uint32_t princ_mask,
+ kadm5_principal_ent_t def,
+ uint32_t def_mask)
+{
+ if(mask & KADM5_PRINC_EXPIRE_TIME
+ && princ_mask & KADM5_PRINC_EXPIRE_TIME) {
+ if (princ->princ_expire_time)
+ set_value(ent->valid_end, princ->princ_expire_time);
+ else
+ set_null(ent->valid_end);
+ }
+ if(mask & KADM5_PW_EXPIRATION
+ && princ_mask & KADM5_PW_EXPIRATION) {
+ if (princ->pw_expiration)
+ set_value(ent->pw_end, princ->pw_expiration);
+ else
+ set_null(ent->pw_end);
+ }
+ if(mask & KADM5_ATTRIBUTES) {
+ if (princ_mask & KADM5_ATTRIBUTES) {
+ attr_to_flags(princ->attributes, &ent->flags);
+ } else if(def_mask & KADM5_ATTRIBUTES) {
+ attr_to_flags(def->attributes, &ent->flags);
+ ent->flags.invalid = 0;
+ } else {
+ default_flags(ent);
+ }
+ }
+
+ if(mask & KADM5_MAX_LIFE) {
+ if(princ_mask & KADM5_MAX_LIFE) {
+ if(princ->max_life)
+ set_value(ent->max_life, princ->max_life);
+ else
+ set_null(ent->max_life);
+ } else if(def_mask & KADM5_MAX_LIFE) {
+ if(def->max_life)
+ set_value(ent->max_life, def->max_life);
+ else
+ set_null(ent->max_life);
+ }
+ }
+ if(mask & KADM5_KVNO
+ && (princ_mask & KADM5_KVNO)) {
+ krb5_error_code ret;
+
+ ret = hdb_change_kvno(context->context, princ->kvno, ent);
+ if (ret && ret != HDB_ERR_KVNO_NOT_FOUND)
+ return ret;
+ ent->kvno = princ->kvno; /* force it */
+ }
+ if(mask & KADM5_MAX_RLIFE) {
+ if(princ_mask & KADM5_MAX_RLIFE) {
+ if(princ->max_renewable_life)
+ set_value(ent->max_renew, princ->max_renewable_life);
+ else
+ set_null(ent->max_renew);
+ } else if(def_mask & KADM5_MAX_RLIFE) {
+ if(def->max_renewable_life)
+ set_value(ent->max_renew, def->max_renewable_life);
+ else
+ set_null(ent->max_renew);
+ }
+ }
+ if(mask & KADM5_KEY_DATA
+ && princ_mask & KADM5_KEY_DATA) {
+ _kadm5_set_keys2(context, ent,
+ princ->n_key_data, princ->key_data);
+ }
+ if(mask & KADM5_TL_DATA) {
+ krb5_tl_data *tl;
+
+ for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next) {
+ kadm5_ret_t ret;
+ ret = perform_tl_data(context->context, context->db, ent, tl);
+ if (ret)
+ return ret;
+ }
+ }
+ if(mask & KADM5_FAIL_AUTH_COUNT) {
+ /* XXX */
+ }
+ return 0;
+}
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