2 * Copyright (c) 1999. Adrian Sun (asun@zoology.washington.edu)
3 * All Rights Reserved. See COPYRIGHT.
10 #ifdef CNID_BACKEND_TDB
11 #include <sys/param.h>
14 #include <atalk/logger.h>
16 #define DBHOME ".AppleDB"
17 #define DBHOMELEN 9 /* strlen(DBHOME) +1 for / */
19 #define DBCNID "cnid2.tdb"
21 #define DBVERSION_KEY "\0\0\0\0Version"
22 #define DBVERSION_KEYLEN (sizeof(DBVERSION_KEY))
23 #define DBVERSION2 0x00000002U
24 #define DBVERSION DBVERSION2
26 static struct _cnid_db *cnid_tdb_new(const char *volpath)
29 struct _cnid_tdb_private *priv;
31 if ((cdb = (struct _cnid_db *) calloc(1, sizeof(struct _cnid_db))) == NULL)
34 if ((cdb->volpath = strdup(volpath)) == NULL) {
39 if ((cdb->_private = calloc(1, sizeof(struct _cnid_tdb_private))) == NULL) {
45 /* Set up private state */
46 priv = (struct _cnid_tdb_private *) (cdb->_private);
48 /* Set up standard fields */
49 cdb->flags = CNID_FLAG_PERSISTENT;
51 cdb->cnid_add = cnid_tdb_add;
52 cdb->cnid_delete = cnid_tdb_delete;
53 cdb->cnid_get = cnid_tdb_get;
54 cdb->cnid_lookup = cnid_tdb_lookup;
55 cdb->cnid_nextid = NULL; /*cnid_tdb_nextid;*/
56 cdb->cnid_resolve = cnid_tdb_resolve;
57 cdb->cnid_update = cnid_tdb_update;
58 cdb->cnid_close = cnid_tdb_close;
59 cdb->cnid_wipe = NULL;
64 /* ---------------------------- */
65 struct _cnid_db *cnid_tdb_open(struct cnid_open_args *args)
69 struct _cnid_tdb_private *db;
71 char path[MAXPATHLEN + 1];
73 int hash_size = 131071;
77 /* note: dir and path are not used for in memory db */
81 if ((len = strlen(args->dir)) > (MAXPATHLEN - DBLEN - 1)) {
82 LOG(log_error, logtype_default, "tdb_open: Pathname too large: %s", args->dir);
86 if ((cdb = cnid_tdb_new(args->dir)) == NULL) {
87 LOG(log_error, logtype_default, "tdb_open: Unable to allocate memory for tdb");
91 strcpy(path, args->dir);
92 if (path[len - 1] != '/') {
97 strcpy(path + len, DBHOME);
98 if (!(args->flags & CNID_FLAG_MEMORY)) {
99 if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777 & ~args->mask) < 0)) {
100 LOG(log_error, logtype_default, "tdb_open: DBHOME mkdir failed for %s", path);
106 tdb_flags = TDB_INTERNAL;
110 db = (struct _cnid_tdb_private *)cdb->_private;
112 path[len + DBHOMELEN] = '\0';
113 strcat(path, DBCNID);
115 db->tdb_cnid = tdb_open(path, hash_size, tdb_flags , O_RDWR | O_CREAT, 0666 & ~args->mask);
117 LOG(log_error, logtype_default, "tdb_open: unable to open tdb", path);
121 db->tdb_didname = db->tdb_cnid;
122 db->tdb_devino = db->tdb_cnid;
124 /* Check for version. This way we can update the database if we need
125 * to change the format in any way. */
126 memset(&key, 0, sizeof(key));
127 memset(&data, 0, sizeof(data));
128 key.dptr = DBVERSION_KEY;
129 key.dsize = DBVERSION_KEYLEN;
131 data = tdb_fetch(db->tdb_didname, key);
133 uint32_t version = htonl(DBVERSION);
135 data.dptr = (char *)&version;
136 data.dsize = sizeof(version);
137 if (tdb_store(db->tdb_didname, key, data, TDB_REPLACE)) {
138 LOG(log_error, logtype_default, "tdb_open: Error putting new version");
156 struct _cnid_module cnid_tdb_module = {
160 CNID_FLAG_SETUID | CNID_FLAG_BLOCK