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;
63 /* ---------------------------- */
64 struct _cnid_db *cnid_tdb_open(struct cnid_open_args *args)
68 struct _cnid_tdb_private *db;
70 char path[MAXPATHLEN + 1];
72 int hash_size = 131071;
76 /* note: dir and path are not used for in memory db */
80 if ((len = strlen(args->dir)) > (MAXPATHLEN - DBLEN - 1)) {
81 LOG(log_error, logtype_default, "tdb_open: Pathname too large: %s", args->dir);
85 if ((cdb = cnid_tdb_new(args->dir)) == NULL) {
86 LOG(log_error, logtype_default, "tdb_open: Unable to allocate memory for tdb");
90 strcpy(path, args->dir);
91 if (path[len - 1] != '/') {
96 strcpy(path + len, DBHOME);
97 if (!(args->flags & CNID_FLAG_MEMORY)) {
98 if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777 & ~args->mask) < 0)) {
99 LOG(log_error, logtype_default, "tdb_open: DBHOME mkdir failed for %s", path);
105 tdb_flags = TDB_INTERNAL;
109 db = (struct _cnid_tdb_private *)cdb->_private;
111 path[len + DBHOMELEN] = '\0';
112 strcat(path, DBCNID);
114 db->tdb_cnid = tdb_open(path, hash_size, tdb_flags , O_RDWR | O_CREAT, 0666 & ~args->mask);
116 LOG(log_error, logtype_default, "tdb_open: unable to open tdb", path);
120 db->tdb_didname = db->tdb_cnid;
121 db->tdb_devino = db->tdb_cnid;
123 /* Check for version. This way we can update the database if we need
124 * to change the format in any way. */
125 memset(&key, 0, sizeof(key));
126 memset(&data, 0, sizeof(data));
127 key.dptr = DBVERSION_KEY;
128 key.dsize = DBVERSION_KEYLEN;
130 data = tdb_fetch(db->tdb_didname, key);
132 u_int32_t version = htonl(DBVERSION);
134 data.dptr = (char *)&version;
135 data.dsize = sizeof(version);
136 if (tdb_store(db->tdb_didname, key, data, TDB_REPLACE)) {
137 LOG(log_error, logtype_default, "tdb_open: Error putting new version");
155 struct _cnid_module cnid_tdb_module = {
159 CNID_FLAG_SETUID | CNID_FLAG_BLOCK