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Diffstat (limited to 'crypto/heimdal/lib/hdb/ndbm.c')
-rw-r--r--crypto/heimdal/lib/hdb/ndbm.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/crypto/heimdal/lib/hdb/ndbm.c b/crypto/heimdal/lib/hdb/ndbm.c
deleted file mode 100644
index 79ca978e74bb5..0000000000000
--- a/crypto/heimdal/lib/hdb/ndbm.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * Copyright (c) 1997, 1998, 1999 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"
-
-RCSID("$Id: ndbm.c,v 1.26 1999/12/02 17:05:05 joda Exp $");
-
-#ifdef HAVE_NDBM_H
-
-struct ndbm_db {
- DBM *db;
- int lock_fd;
-};
-
-static krb5_error_code
-NDBM_destroy(krb5_context context, HDB *db)
-{
- krb5_error_code ret;
-
- ret = hdb_clear_master_key (context, db);
- free(db->name);
- free(db);
- return 0;
-}
-
-static krb5_error_code
-NDBM_lock(krb5_context context, HDB *db, int operation)
-{
- struct ndbm_db *d = db->db;
- return hdb_lock(d->lock_fd, operation);
-}
-
-static krb5_error_code
-NDBM_unlock(krb5_context context, HDB *db)
-{
- struct ndbm_db *d = db->db;
- return hdb_unlock(d->lock_fd);
-}
-
-static krb5_error_code
-NDBM_seq(krb5_context context, HDB *db,
- unsigned flags, hdb_entry *entry, int first)
-
-{
- struct ndbm_db *d = (struct ndbm_db *)db->db;
- datum key, value;
- krb5_data key_data, data;
- krb5_error_code ret;
-
- if(first)
- key = dbm_firstkey(d->db);
- else
- key = dbm_nextkey(d->db);
- if(key.dptr == NULL)
- return HDB_ERR_NOENTRY;
- key_data.data = key.dptr;
- key_data.length = key.dsize;
- ret = db->lock(context, db, HDB_RLOCK);
- if(ret) return ret;
- value = dbm_fetch(d->db, key);
- db->unlock(context, db);
- data.data = value.dptr;
- data.length = value.dsize;
- if(hdb_value2entry(context, &data, entry))
- return NDBM_seq(context, db, flags, entry, 0);
- if (db->master_key_set && (flags & HDB_F_DECRYPT))
- hdb_unseal_keys (db, entry);
- if (entry->principal == NULL) {
- entry->principal = malloc (sizeof(*entry->principal));
- hdb_key2principal (context, &key_data, entry->principal);
- }
- return 0;
-}
-
-
-static krb5_error_code
-NDBM_firstkey(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
-{
- return NDBM_seq(context, db, flags, entry, 1);
-}
-
-
-static krb5_error_code
-NDBM_nextkey(krb5_context context, HDB *db, unsigned flags, hdb_entry *entry)
-{
- return NDBM_seq(context, db, flags, entry, 0);
-}
-
-static krb5_error_code
-NDBM_rename(krb5_context context, HDB *db, const char *new_name)
-{
- /* XXX this function will break */
- struct ndbm_db *d = db->db;
-
- int ret;
- char *old_dir, *old_pag, *new_dir, *new_pag;
- char *new_lock;
- int lock_fd;
-
- /* lock old and new databases */
- ret = db->lock(context, db, HDB_WLOCK);
- if(ret) return ret;
- asprintf(&new_lock, "%s.lock", new_name);
- lock_fd = open(new_lock, O_RDWR | O_CREAT, 0600);
- free(new_lock);
- if(lock_fd < 0) {
- ret = errno;
- db->unlock(context, db);
- return ret;
- }
- ret = hdb_lock(lock_fd, HDB_WLOCK);
- if(ret) {
- db->unlock(context, db);
- close(lock_fd);
- return ret;
- }
-
- asprintf(&old_dir, "%s.dir", db->name);
- asprintf(&old_pag, "%s.pag", db->name);
- asprintf(&new_dir, "%s.dir", new_name);
- asprintf(&new_pag, "%s.pag", new_name);
-
- ret = rename(old_dir, new_dir) || rename(old_pag, new_pag);
- free(old_dir);
- free(old_pag);
- free(new_dir);
- free(new_pag);
- hdb_unlock(lock_fd);
- db->unlock(context, db);
-
- if(ret) {
- close(lock_fd);
- return errno;
- }
-
- close(d->lock_fd);
- d->lock_fd = lock_fd;
-
- free(db->name);
- db->name = strdup(new_name);
- return 0;
-}
-
-static krb5_error_code
-NDBM__get(krb5_context context, HDB *db, krb5_data key, krb5_data *reply)
-{
- struct ndbm_db *d = (struct ndbm_db *)db->db;
- datum k, v;
- int code;
-
- k.dptr = key.data;
- k.dsize = key.length;
- code = db->lock(context, db, HDB_RLOCK);
- if(code)
- return code;
- v = dbm_fetch(d->db, k);
- db->unlock(context, db);
- if(v.dptr == NULL)
- return HDB_ERR_NOENTRY;
-
- krb5_data_copy(reply, v.dptr, v.dsize);
- return 0;
-}
-
-static krb5_error_code
-NDBM__put(krb5_context context, HDB *db, int replace,
- krb5_data key, krb5_data value)
-{
- struct ndbm_db *d = (struct ndbm_db *)db->db;
- datum k, v;
- int code;
-
- k.dptr = key.data;
- k.dsize = key.length;
- v.dptr = value.data;
- v.dsize = value.length;
-
- code = db->lock(context, db, HDB_WLOCK);
- if(code)
- return code;
- code = dbm_store(d->db, k, v, replace ? DBM_REPLACE : DBM_INSERT);
- db->unlock(context, db);
- if(code == 1)
- return HDB_ERR_EXISTS;
- if (code < 0)
- return code;
- return 0;
-}
-
-static krb5_error_code
-NDBM__del(krb5_context context, HDB *db, krb5_data key)
-{
- struct ndbm_db *d = (struct ndbm_db *)db->db;
- datum k;
- int code;
- krb5_error_code ret;
-
- k.dptr = key.data;
- k.dsize = key.length;
- ret = db->lock(context, db, HDB_WLOCK);
- if(ret) return ret;
- code = dbm_delete(d->db, k);
- db->unlock(context, db);
- if(code < 0)
- return errno;
- return 0;
-}
-
-static krb5_error_code
-NDBM_open(krb5_context context, HDB *db, int flags, mode_t mode)
-{
- krb5_error_code ret;
- struct ndbm_db *d = malloc(sizeof(*d));
- char *lock_file;
-
- if(d == NULL)
- return ENOMEM;
- asprintf(&lock_file, "%s.lock", (char*)db->name);
- if(lock_file == NULL) {
- free(d);
- return ENOMEM;
- }
- d->db = dbm_open((char*)db->name, flags, mode);
- if(d->db == NULL){
- free(d);
- free(lock_file);
- return errno;
- }
- d->lock_fd = open(lock_file, O_RDWR | O_CREAT, 0600);
- free(lock_file);
- if(d->lock_fd < 0){
- dbm_close(d->db);
- free(d);
- return errno;
- }
- db->db = d;
- if((flags & O_ACCMODE) == O_RDONLY)
- ret = hdb_check_db_format(context, db);
- else
- ret = hdb_init_db(context, db);
- if(ret == HDB_ERR_NOENTRY)
- return 0;
- return ret;
-}
-
-static krb5_error_code
-NDBM_close(krb5_context context, HDB *db)
-{
- struct ndbm_db *d = db->db;
- dbm_close(d->db);
- close(d->lock_fd);
- free(d);
- return 0;
-}
-
-krb5_error_code
-hdb_ndbm_create(krb5_context context, HDB **db,
- const char *filename)
-{
- *db = malloc(sizeof(**db));
- if (*db == NULL)
- return ENOMEM;
-
- (*db)->db = NULL;
- (*db)->name = strdup(filename);
- (*db)->master_key_set = 0;
- (*db)->openp = 0;
- (*db)->open = NDBM_open;
- (*db)->close = NDBM_close;
- (*db)->fetch = _hdb_fetch;
- (*db)->store = _hdb_store;
- (*db)->remove = _hdb_remove;
- (*db)->firstkey = NDBM_firstkey;
- (*db)->nextkey= NDBM_nextkey;
- (*db)->lock = NDBM_lock;
- (*db)->unlock = NDBM_unlock;
- (*db)->rename = NDBM_rename;
- (*db)->_get = NDBM__get;
- (*db)->_put = NDBM__put;
- (*db)->_del = NDBM__del;
- (*db)->destroy = NDBM_destroy;
- return 0;
-}
-
-
-#endif
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