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-rw-r--r--source4/heimdal/lib/hdb/hdb-protos.h6
-rw-r--r--source4/heimdal/lib/hdb/hdb.c5
-rw-r--r--source4/heimdal/lib/hdb/keytab.c276
-rw-r--r--source4/heimdal/lib/krb5/krb5.h3
4 files changed, 289 insertions, 1 deletions
diff --git a/source4/heimdal/lib/hdb/hdb-protos.h b/source4/heimdal/lib/hdb/hdb-protos.h
index c221175e41..67e19f7e4a 100644
--- a/source4/heimdal/lib/hdb/hdb-protos.h
+++ b/source4/heimdal/lib/hdb/hdb-protos.h
@@ -491,6 +491,12 @@ hdb_ldapi_create (
const char */*arg*/);
krb5_error_code
+hdb_ldb_create (
+ krb5_context /*context*/,
+ HDB ** /*db*/,
+ const char */*arg*/);
+
+krb5_error_code
hdb_list_builtin (
krb5_context /*context*/,
char **/*list*/);
diff --git a/source4/heimdal/lib/hdb/hdb.c b/source4/heimdal/lib/hdb/hdb.c
index 5631d05332..406a50ecbd 100644
--- a/source4/heimdal/lib/hdb/hdb.c
+++ b/source4/heimdal/lib/hdb/hdb.c
@@ -55,6 +55,9 @@ static struct hdb_method methods[] = {
{"ldap:", hdb_ldap_create},
{"ldapi:", hdb_ldapi_create},
#endif
+#ifdef _SAMBA_BUILD_
+ {"ldb:", hdb_ldb_create},
+#endif
{NULL, NULL}
};
@@ -395,6 +398,6 @@ hdb_create(krb5_context context, HDB **db, const char *filename)
h = find_dynamic_method (context, filename, &residual);
#endif
if (h == NULL)
- krb5_errx(context, 1, "No database support! (hdb_create)");
+ krb5_errx(context, 1, "No database support! (hdb_create(%s))", filename);
return (*h->create)(context, db, residual);
}
diff --git a/source4/heimdal/lib/hdb/keytab.c b/source4/heimdal/lib/hdb/keytab.c
new file mode 100644
index 0000000000..21ee2f4274
--- /dev/null
+++ b/source4/heimdal/lib/hdb/keytab.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 1999 - 2002 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 "hdb_locl.h"
+
+/* keytab backend for HDB databases */
+
+RCSID("$Id: keytab.c,v 1.8 2005/12/12 12:35:36 lha Exp $");
+
+struct hdb_data {
+ char *dbname;
+ char *mkey;
+};
+
+/*
+ * the format for HDB keytabs is:
+ * HDB:[database:file:mkey]
+ */
+
+static krb5_error_code
+hdb_resolve(krb5_context context, const char *name, krb5_keytab id)
+{
+ struct hdb_data *d;
+ const char *db, *mkey;
+
+ d = malloc(sizeof(*d));
+ if(d == NULL) {
+ krb5_set_error_string(context, "malloc: out of memory");
+ return ENOMEM;
+ }
+ db = name;
+ mkey = strrchr(name, ':');
+ if(mkey == NULL || mkey[1] == '\0') {
+ if(*name == '\0')
+ d->dbname = NULL;
+ else {
+ d->dbname = strdup(name);
+ if(d->dbname == NULL) {
+ free(d);
+ krb5_set_error_string(context, "malloc: out of memory");
+ return ENOMEM;
+ }
+ }
+ d->mkey = NULL;
+ } else {
+ if((mkey - db) == 0) {
+ d->dbname = NULL;
+ } else {
+ d->dbname = malloc(mkey - db);
+ if(d->dbname == NULL) {
+ free(d);
+ krb5_set_error_string(context, "malloc: out of memory");
+ return ENOMEM;
+ }
+ memmove(d->dbname, db, mkey - db);
+ d->dbname[mkey - db] = '\0';
+ }
+ d->mkey = strdup(mkey + 1);
+ if(d->mkey == NULL) {
+ free(d->dbname);
+ free(d);
+ krb5_set_error_string(context, "malloc: out of memory");
+ return ENOMEM;
+ }
+ }
+ id->data = d;
+ return 0;
+}
+
+static krb5_error_code
+hdb_close(krb5_context context, krb5_keytab id)
+{
+ struct hdb_data *d = id->data;
+
+ free(d->dbname);
+ free(d->mkey);
+ free(d);
+ return 0;
+}
+
+static krb5_error_code
+hdb_get_name(krb5_context context,
+ krb5_keytab id,
+ char *name,
+ size_t namesize)
+{
+ struct hdb_data *d = id->data;
+
+ snprintf(name, namesize, "%s%s%s",
+ d->dbname ? d->dbname : "",
+ (d->dbname || d->mkey) ? ":" : "",
+ d->mkey ? d->mkey : "");
+ return 0;
+}
+
+static void
+set_config (krb5_context context,
+ const krb5_config_binding *binding,
+ const char **dbname,
+ const char **mkey)
+{
+ *dbname = krb5_config_get_string(context, binding, "dbname", NULL);
+ *mkey = krb5_config_get_string(context, binding, "mkey_file", NULL);
+}
+
+/*
+ * try to figure out the database (`dbname') and master-key (`mkey')
+ * that should be used for `principal'.
+ */
+
+static void
+find_db (krb5_context context,
+ const char **dbname,
+ const char **mkey,
+ krb5_const_principal principal)
+{
+ const krb5_config_binding *top_bind = NULL;
+ const krb5_config_binding *default_binding = NULL;
+ const krb5_config_binding *db;
+ krb5_realm *prealm = krb5_princ_realm(context, rk_UNCONST(principal));
+
+ *dbname = *mkey = NULL;
+
+ while ((db =
+ krb5_config_get_next(context,
+ NULL,
+ &top_bind,
+ krb5_config_list,
+ "kdc",
+ "database",
+ NULL)) != NULL) {
+ const char *p;
+
+ p = krb5_config_get_string (context, db, "realm", NULL);
+ if (p == NULL) {
+ if(default_binding) {
+ krb5_warnx(context, "WARNING: more than one realm-less "
+ "database specification");
+ krb5_warnx(context, "WARNING: using the first encountered");
+ } else
+ default_binding = db;
+ } else if (strcmp (*prealm, p) == 0) {
+ set_config (context, db, dbname, mkey);
+ break;
+ }
+ }
+ if (*dbname == NULL && default_binding != NULL)
+ set_config (context, default_binding, dbname, mkey);
+ if (*dbname == NULL)
+ *dbname = HDB_DEFAULT_DB;
+}
+
+/*
+ * find the keytab entry in `id' for `principal, kvno, enctype' and return
+ * it in `entry'. return 0 or an error code
+ */
+
+static krb5_error_code
+hdb_get_entry(krb5_context context,
+ krb5_keytab id,
+ krb5_const_principal principal,
+ krb5_kvno kvno,
+ krb5_enctype enctype,
+ krb5_keytab_entry *entry)
+{
+ hdb_entry_ex ent;
+ krb5_error_code ret;
+ struct hdb_data *d = id->data;
+ int i;
+ HDB *db;
+ const char *dbname = d->dbname;
+ const char *mkey = d->mkey;
+
+ if (dbname == NULL)
+ find_db (context, &dbname, &mkey, principal);
+
+ ret = hdb_create (context, &db, dbname);
+ if (ret)
+ return ret;
+ ret = hdb_set_master_keyfile (context, db, mkey);
+ if (ret) {
+ (*db->hdb_destroy)(context, db);
+ return ret;
+ }
+
+ ret = (*db->hdb_open)(context, db, O_RDONLY, 0);
+ if (ret) {
+ (*db->hdb_destroy)(context, db);
+ return ret;
+ }
+
+ ret = (*db->hdb_fetch)(context, db, HDB_F_DECRYPT, principal, HDB_ENT_TYPE_SERVER, &ent);
+
+ /* Shutdown the hdb on error */
+ if(ret == HDB_ERR_NOENTRY) {
+ (*db->hdb_close)(context, db);
+ (*db->hdb_destroy)(context, db);
+ return KRB5_KT_NOTFOUND;
+ } else if (ret) {
+ (*db->hdb_close)(context, db);
+ (*db->hdb_destroy)(context, db);
+ return ret;
+ }
+ if(kvno && ent.entry.kvno != kvno) {
+ /* The order here matters, we must free these in this order
+ * due to hdb-ldb and Samba4's talloc */
+ hdb_free_entry(context, &ent);
+ (*db->hdb_close)(context, db);
+ (*db->hdb_destroy)(context, db);
+ return KRB5_KT_NOTFOUND;
+ }
+ if(enctype == 0)
+ if(ent.entry.keys.len > 0)
+ enctype = ent.entry.keys.val[0].key.keytype;
+ ret = KRB5_KT_NOTFOUND;
+ for(i = 0; i < ent.entry.keys.len; i++) {
+ if(ent.entry.keys.val[i].key.keytype == enctype) {
+ krb5_copy_principal(context, principal, &entry->principal);
+ entry->vno = ent.entry.kvno;
+ krb5_copy_keyblock_contents(context,
+ &ent.entry.keys.val[i].key,
+ &entry->keyblock);
+ ret = 0;
+ break;
+ }
+ }
+ /* The order here matters, we must free these in this order
+ * due to hdb-ldb and Samba4's talloc */
+ hdb_free_entry(context, &ent);
+ (*db->hdb_close)(context, db);
+ (*db->hdb_destroy)(context, db);
+ return ret;
+}
+
+krb5_kt_ops hdb_kt_ops = {
+ "HDB",
+ hdb_resolve,
+ hdb_get_name,
+ hdb_close,
+ hdb_get_entry,
+ NULL, /* start_seq_get */
+ NULL, /* next_entry */
+ NULL, /* end_seq_get */
+ NULL, /* add */
+ NULL /* remove */
+};
diff --git a/source4/heimdal/lib/krb5/krb5.h b/source4/heimdal/lib/krb5/krb5.h
index adee4708e6..9814817600 100644
--- a/source4/heimdal/lib/krb5/krb5.h
+++ b/source4/heimdal/lib/krb5/krb5.h
@@ -451,6 +451,9 @@ typedef struct krb5_context_data {
int large_msg_size;
krb5_boolean fdns; /* Lookup hostnames to find full name, or send as-is */
struct send_and_recv *send_and_recv; /* Alternate functions for KDC communication */
+ void *mem_ctx; /* Some parts of Samba4 need a valid
+ memory context (under the event
+ context) to use */
} krb5_context_data;
enum {
generated by cgit (git 2.34.1) at 2024-11-24 20:19:06 +0000