-/*
- * $Id: cnid_open.c,v 1.2 2001-06-29 14:14:46 rufustfirefly Exp $
+/*
+ * $Id: cnid_open.c,v 1.34 2002-01-21 04:48:14 jmarcus Exp $
*
* Copyright (c) 1999. Adrian Sun (asun@zoology.washington.edu)
* All Rights Reserved. See COPYRIGHT.
* 1 -- parent of root directory (handled by afpd)
* 2 -- root directory (handled by afpd)
*
- * so, CNID_START begins at 3.
+ * CNIDs 4-16 are reserved according to page 31 of the AFP 3.0 spec so,
+ * CNID_START begins at 17.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
+#ifdef CNID_DB
+#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#endif /* HAVE_FCNTL_H */
#include <sys/param.h>
#include <sys/stat.h>
-#include <syslog.h>
+#include <atalk/logger.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif /* HAVE_SYS_TIME_H */
#include <db.h>
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif /* ! MIN */
-#define ROOTINFO "RootInfo"
-#define ROOTINFO_LEN 8
-
-#define DBHOME ".AppleDB"
-#define DBCNID "cnid.db"
-#define DBDEVINO "devino.db"
-#define DBDIDNAME "didname.db" /* did/full name mapping */
-#define DBSHORTNAME "shortname.db" /* did/8+3 mapping */
-#define DBMACNAME "macname.db" /* did/31 mapping */
-#define DBLONGNAME "longname.db" /* did/unicode mapping */
-#define DBLOCKFILE "/cnid.lock"
+#define DBHOME ".AppleDB"
+#define DBCNID "cnid.db"
+#define DBDEVINO "devino.db"
+#define DBDIDNAME "didname.db" /* did/full name mapping */
+#define DBSHORTNAME "shortname.db" /* did/8+3 mapping */
+#define DBMACNAME "macname.db" /* did/31 mapping */
+#define DBLONGNAME "longname.db" /* did/unicode mapping */
+#define DBLOCKFILE "cnid.lock"
+#define DBRECOVERFILE "cnid.dbrecover"
+#define DBCLOSEFILE "cnid.close"
#define DBHOMELEN 8
#define DBLEN 10
#define DBVERSION1 0x00000001U
#define DBVERSION DBVERSION1
+#if DB_VERSION_MINOR > 1
+#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
+DB_INIT_LOG | DB_INIT_TXN)
+#else /* DB_VERSION_MINOR < 1 */
+/*#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
+DB_INIT_LOG | DB_INIT_TXN | DB_TXN_NOSYNC)*/
#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
-DB_INIT_LOG | DB_INIT_TXN | DB_TXN_NOSYNC | DB_RECOVER)
+DB_INIT_LOG | DB_INIT_TXN)
+#endif /* DB_VERSION_MINOR */
+
+/* Let's try and use the youngest lock detector if present.
+ * If we can't do that, then let DB3 use its default deadlock detector. */
+#if defined DB_LOCK_YOUNGEST
+#define DEAD_LOCK_DETECT DB_LOCK_YOUNGEST
+#else /* DB_LOCK_YOUNGEST */
+#define DEAD_LOCK_DETECT DB_LOCK_DEFAULT
+#endif /* DB_LOCK_YOUNGEST */
-#define MAXITER 0xFFFF /* maximum number of simultaneously open CNID
- * databases. */
+#define MAXITER 0xFFFF /* maximum number of simultaneously open CNID
+* databases. */
/* the first compare that's always done. */
static __inline__ int compare_did(const DBT *a, const DBT *b)
{
- u_int32_t dida, didb;
+ u_int32_t dida, didb;
- memcpy(&dida, a->data, sizeof(dida));
- memcpy(&didb, b->data, sizeof(didb));
- return dida - didb;
+ memcpy(&dida, a->data, sizeof(dida));
+ memcpy(&didb, b->data, sizeof(didb));
+ return dida - didb;
}
/* sort did's and then names. this is for unix paths.
* i.e., did/unixname lookups. */
+#if DB_VERSION_MINOR > 1
+static int compare_unix(DB *db, const DBT *a, const DBT *b)
+#else /* DB_VERSION_MINOR < 1 */
static int compare_unix(const DBT *a, const DBT *b)
+#endif /* DB_VERSION_MINOR */
{
- u_int8_t *sa, *sb;
- int len, ret;
-
- /* sort by did */
- if (ret = compare_did(a, b))
- return ret;
-
- sa = a->data + 4; /* shift past did */
- sb = b->data + 4;
- for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
- if (ret = (*sa - *sb))
- return ret; /* sort by lexical ordering */
- return a->size - b->size; /* sort by length */
+ u_int8_t *sa, *sb;
+ int len, ret;
+
+ /* sort by did */
+ if ((ret = compare_did(a, b)))
+ return ret;
+
+ sa = (u_int8_t *) a->data + 4; /* shift past did */
+ sb = (u_int8_t *) b->data + 4;
+ for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
+ if ((ret = (*sa - *sb)))
+ return ret; /* sort by lexical ordering */
+
+ return a->size - b->size; /* sort by length */
}
/* sort did's and then names. this is for macified paths (i.e.,
* did/macname, and did/shortname. i think did/longname needs a
* unicode table to work. also, we can't use strdiacasecmp as that
* returns a match if a < b. */
-static int compare_mac(const DBT *a, const DBT *b)
+#if DB_VERSION_MINOR > 1
+static int compare_mac(DB *db, const DBT *a, const DBT *b)
+#else /* DB_VERSION_MINOR < 1 */
+static int compare_mac(const DBT *a, const DBT *b)
+#endif /* DB_VERSION_MINOR */
{
- u_int8_t *sa, *sb;
- int len, ret;
-
- /* sort by did */
- if (ret = compare_did(a, b))
- return ret;
-
- sa = a->data + 4;
- sb = b->data + 4;
- for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
- if (ret = (_diacasemap[*sa] - _diacasemap[*sb]))
- return ret; /* sort by lexical ordering */
- return a->size - b->size; /* sort by length */
+ u_int8_t *sa, *sb;
+ int len, ret;
+
+ /* sort by did */
+ if ((ret = compare_did(a, b)))
+ return ret;
+
+ sa = (u_int8_t *) a->data + 4;
+ sb = (u_int8_t *) b->data + 4;
+ for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
+ if ((ret = (_diacasemap[*sa] - _diacasemap[*sb])))
+ return ret; /* sort by lexical ordering */
+
+ return a->size - b->size; /* sort by length */
}
/* for unicode names -- right now it's the same as compare_mac. */
-#define compare_unicode(a, b) compare_mac((a), (b))
-
-void *cnid_open(const char *dir)
+#if DB_VERSION_MINOR > 1
+static int compare_unicode(DB *db, const DBT *a, const DBT *b)
+#else /* DB_VERSION_MINOR < 1 */
+static int compare_unicode(const DBT *a, const DBT *b)
+#endif /* DB_VERSION_MINOR */
{
- struct stat st;
- struct flock lock;
- char path[MAXPATHLEN + 1];
- CNID_private *db;
- DB_INFO dbi;
- DBT key, data;
- int open_flag, len;
-
- if (!dir)
- return NULL;
+#if DB_VERSION_MINOR > 1
+ return compare_mac(db,a,b);
+#else /* DB_VERSION_MINOR < 1 */
+ return compare_mac(a,b);
+#endif /* DB_VERSION_MINOR */
+}
- /* this checks both RootInfo and .AppleDB */
- if ((len = strlen(dir)) > (MAXPATHLEN - DBLEN - 1)) {
- syslog(LOG_ERR, "cnid_open: path too large");
- return NULL;
- }
-
- if ((db = (CNID_private *) calloc(1, sizeof(CNID_private))) == NULL) {
- syslog(LOG_ERR, "cnid_open: unable to allocate memory");
- return NULL;
- }
- db->magic = CNID_DB_MAGIC;
-
- strcpy(path, dir);
- if (path[len - 1] != '/') {
+static int have_lock = 0;
+
+void *cnid_open(const char *dir) {
+ struct stat st, rsb, csb;
+ struct flock lock;
+ char path[MAXPATHLEN + 1];
+ char recover_file[MAXPATHLEN + 1];
+ CNID_private *db;
+ DBT key, data;
+ DB_TXN *tid;
+ u_int32_t DBEXTRAS = 0;
+ int open_flag, len;
+ int rc, rfd = -1;
+
+ if (!dir) {
+ return NULL;
+ }
+
+ /* this checks .AppleDB */
+ if ((len = strlen(dir)) > (MAXPATHLEN - DBLEN - 1)) {
+ LOG(log_error, logtype_default, "cnid_open: Pathname too large: %s", dir);
+ return NULL;
+ }
+
+ if ((db = (CNID_private *)calloc(1, sizeof(CNID_private))) == NULL) {
+ LOG(log_error, logtype_default, "cnid_open: Unable to allocate memory for database");
+ return NULL;
+ }
+
+ db->magic = CNID_DB_MAGIC;
+
+ strcpy(path, dir);
+ if (path[len - 1] != '/') {
+ strcat(path, "/");
+ len++;
+ }
+
+ lock.l_type = F_WRLCK;
+ lock.l_whence = SEEK_SET;
+
+ strcpy(path + len, DBHOME);
+ if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777) < 0)) {
+ LOG(log_error, logtype_default, "cnid_open: DBHOME mkdir failed for %s", path);
+ goto fail_adouble;
+ }
+
+ /* Make sure cnid.lock goes in .AppleDB. */
strcat(path, "/");
len++;
- }
-
- lock.l_type = F_WRLCK;
- lock.l_whence = SEEK_SET;
-
- /* we create and initialize RootInfo if it doesn't exist. */
- strcat(path, ROOTINFO);
- if (ad_open(path, ADFLAGS_HF, O_RDWR, 0666, &db->rootinfo) < 0) {
- cnid_t id;
-
- /* see if we can open it read-only. if it's read-only, we can't
- * add CNIDs. */
- memset(&db->rootinfo, 0, sizeof(db->rootinfo));
- if (ad_open(path, ADFLAGS_HF, O_RDONLY, 0666, &db->rootinfo) == 0) {
- db->flags = CNIDFLAG_ROOTINFO_RO;
- syslog(LOG_INFO, "cnid_open: read-only RootInfo");
- goto mkdir_appledb;
- }
-
- /* create the file */
- memset(&db->rootinfo, 0, sizeof(db->rootinfo));
- if (ad_open(path, ADFLAGS_HF, O_CREAT | O_RDWR, 0666,
- &db->rootinfo) < 0) {
- syslog(LOG_ERR, "cnid_open: ad_open(RootInfo)");
- goto fail_db;
- }
-
- /* lock the RootInfo file. this and cnid_add are the only places
- * that should fiddle with RootInfo. */
- lock.l_start = ad_getentryoff(&db->rootinfo, ADEID_DID);
- lock.l_len = ad_getentrylen(&db->rootinfo, ADEID_DID);
- if (fcntl(ad_hfileno(&db->rootinfo), F_SETLKW, &lock) < 0) {
- syslog(LOG_ERR, "cnid_open: can't establish lock: %m");
- goto fail_adouble;
- }
-
- /* store the beginning CNID */
- id = htonl(CNID_START);
- memcpy(ad_entry(&db->rootinfo, ADEID_DID), &id, sizeof(id));
- ad_flush(&db->rootinfo, ADFLAGS_HF);
-
- /* unlock it */
- lock.l_type = F_UNLCK;
- fcntl(ad_hfileno(&db->rootinfo), F_SETLK, &lock);
- lock.l_type = F_WRLCK;
- }
-
-mkdir_appledb:
- strcpy(path + len, DBHOME);
- if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777) < 0)) {
- syslog(LOG_ERR, "cnid_open: mkdir failed");
- goto fail_adouble;
- }
-
- /* search for a byte lock. this allows us to cleanup the log files
- * at cnid_close() in a clean fashion.
- *
- * NOTE: this won't work if multiple volumes for the same user refer
- * to the same directory. */
- strcat(path, DBLOCKFILE);
- if ((db->lockfd = open(path, O_RDWR | O_CREAT, 0666)) > -1) {
- lock.l_start = 0;
- lock.l_len = 1;
- while (fcntl(db->lockfd, F_SETLK, &lock) < 0) {
- if (++lock.l_start > MAXITER) {
- syslog(LOG_INFO, "cnid_open: can't establish logfile cleanup lock.");
- close(db->lockfd);
- db->lockfd = -1;
- break;
- }
- }
- }
-
- path[len + DBHOMELEN] = '\0';
- open_flag = DB_CREATE;
- /* try a full-blown transactional environment */
- if (db_appinit(path, NULL, &db->dbenv, DBOPTIONS)) {
-
- /* try with a shared memory pool */
- memset(&db->dbenv, 0, sizeof(db->dbenv));
- if (db_appinit(path, NULL, &db->dbenv, DB_INIT_MPOOL)) {
-
- /* try without any options. */
- memset(&db->dbenv, 0, sizeof(db->dbenv));
- if (db_appinit(path, NULL, &db->dbenv, 0)) {
- syslog(LOG_ERR, "cnid_open: db_appinit failed");
- goto fail_lock;
- }
- }
- db->flags |= CNIDFLAG_DB_RO;
- open_flag = DB_RDONLY;
- syslog(LOG_INFO, "cnid_open: read-only CNID database");
- }
-
- memset(&dbi, 0, sizeof(dbi));
-
- /* did/name reverse mapping. we use a btree for this one. */
- dbi.bt_compare = compare_unix;
- if (db_open(DBDIDNAME, DB_BTREE, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_didname)) {
- goto fail_appinit;
- }
-
- /* check for version. this way we can update the database if we need
- to change the format in any way. */
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- key.data = DBVERSION_KEY;
- key.len = DBVERSION_KEY_LEN;
- while (errno = db->db_didname->get(db->db_didname, NULL, &key, &data, 0)) {
- switch (errno) {
- case EAGAIN:
- continue;
-
- case DB_NOTFOUND:
- u_int32_t version = htonl(DBVERSION);
-
- data.data = &version;
- data.len = sizeof(version);
+
+ strcpy(db->close_file, path);
+ strcat(db->close_file, DBCLOSEFILE);
+
+ /* Check to make sure that a client isn't in the process of closing
+ * the database environment. To do this, select on the close file. */
+ while(stat(db->close_file, &csb) == 0) {
+ struct timeval ct;
+ ct.tv_sec = 1;
+ ct.tv_usec = 0;
+ (void)select(0, NULL, NULL, NULL, &ct);
+ }
+
+ strcpy(recover_file, path);
+ strcat(recover_file, DBRECOVERFILE);
+
+ /* Search for a byte lock. This allows us to cleanup the log files
+ * at cnid_close() in a clean fashion.
+ *
+ * NOTE: This won't work if multiple volumes for the same user refer
+ * to the sahe directory. */
+ strcat(path, DBLOCKFILE);
+ if ((db->lockfd = open(path, O_RDWR | O_CREAT, 0666)) > -1) {
+ lock.l_start = 0;
+ lock.l_len = 1;
+ while (fcntl(db->lockfd, F_SETLK, &lock) < 0) {
+ if (++lock.l_start > MAXITER) {
+ LOG(log_error, logtype_default, "cnid_open: Cannot establish logfile cleanup for database environment %s lock (lock failed)", path);
+ close(db->lockfd);
+ db->lockfd = -1;
+ break;
+ }
+ }
+ }
+ else {
+ LOG(log_error, logtype_default, "cnid_open: Cannot establish logfile cleanup lock for database environment %s (open() failed)", path);
+ }
+
+ /* Create a file to represent database recovery. While this file
+ * exists, the database is being recovered, and all other clients will
+ * select until recovery is complete, and this file goes away. */
+ if (!have_lock && db->lockfd > -1 && lock.l_start == 0) {
+ if (stat(recover_file, &rsb) == 0) {
+ (void)remove(recover_file);
+ }
+ if ((rfd = open(recover_file, O_RDWR | O_CREAT, 0666)) > -1) {
+ DBEXTRAS |= DB_RECOVER;
+ have_lock = 1;
+ }
+ }
+ else if (!have_lock) {
+ while (stat(recover_file, &rsb) == 0) {
+ struct timeval rt;
+ rt.tv_sec = 1;
+ rt.tv_usec = 0;
+ (void)select(0, NULL, NULL, NULL, &rt);
+ }
+ }
+
+ path[len + DBHOMELEN] = '\0';
+ open_flag = DB_CREATE;
+
+ /* We need to be able to open the database environment with full
+ * transaction, logging, and locking support if we ever hope to
+ * be a true multi-acess file server. */
+ if ((rc = db_env_create(&db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: db_env_create: %s", db_strerror(rc));
+ goto fail_lock;
+ }
+
+ /* Setup internal deadlock detection. */
+ if ((rc = db->dbenv->set_lk_detect(db->dbenv, DEAD_LOCK_DETECT)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: set_lk_detect: %s", db_strerror(rc));
+ goto fail_lock;
+ }
+
+#if DB_VERSION_MINOR > 1
+#if 0
+ /* Take care of setting the DB_TXN_NOSYNC flag in db3 > 3.1.x. */
+ if ((rc = db->dbenv->set_flags(db->dbenv, DB_TXN_NOSYNC, 1)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: set_flags: %s", db_strerror(rc));
+ goto fail_lock;
+ }
+#endif
+#endif /* DB_VERSION_MINOR > 1 */
+
+ /* Open the database environment. */
+ if ((rc = db->dbenv->open(db->dbenv, path, DBOPTIONS | DBEXTRAS, 0666)) != 0) {
+ if (rc == DB_RUNRECOVERY) {
+ /* This is the mother of all errors. We _must_ fail here. */
+ LOG(log_error, logtype_default, "cnid_open: CATASTROPHIC ERROR opening database environment %s. Run db_recovery -c immediately", path);
+ goto fail_lock;
+ }
+
+ /* We can't get a full transactional environment, so multi-access
+ * is out of the question. Let's assume a read-only environment,
+ * and try to at least get a shared memory pool. */
+ if ((rc = db->dbenv->open(db->dbenv, path, DB_INIT_MPOOL, 0666)) != 0) {
+ /* Nope, not a MPOOL, either. Last-ditch effort: we'll try to
+ * open the environment with no flags. */
+ if ((rc = db->dbenv->open(db->dbenv, path, 0, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: dbenv->open of %s failed: %s",
+ path, db_strerror(rc));
+ goto fail_lock;
+ }
+ }
+ db->flags |= CNIDFLAG_DB_RO;
+ open_flag = DB_RDONLY;
+ LOG(log_info, logtype_default, "cnid_open: Obtained read-only database environment %s", path);
+ }
+
+ /* If we have the recovery lock, close the file, remove it, so other
+ * clients can proceed opening the DB environment. */
+ if (rfd > -1) {
+ (void)remove(recover_file);
+ switch(errno) {
+ case 0:
+ case ENOENT:
+ break;
+ default:
+ LOG(log_error, logtype_default, "cnid_open: Unable to remove %s: %s",
+ recover_file, strerror(errno));
+ }
+ close(rfd);
+ rfd = -1;
+ }
+
+ /* did/name reverse mapping. We use a BTree for this one. */
+ if ((rc = db_create(&db->db_didname, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create did/name database: %s",
+ db_strerror(rc));
+ goto fail_appinit;
+ }
+
+ /*db->db_didname->set_bt_compare(db->db_didname, &compare_unix);*/
+ if ((rc = db->db_didname->open(db->db_didname, DBDIDNAME, NULL,
+ DB_HASH, open_flag, 0666))) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open did/name database: %s",
+ db_strerror(rc));
+ goto fail_appinit;
+ }
+
+ /* Check for version. This way we can update the database if we need
+ * to change the format in any way. */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = DBVERSION_KEY;
+ key.size = DBVERSION_KEYLEN;
+
dbversion_retry:
- if (db->db_didname->put(db->db_didname, NULL, &key, &data,
- DB_NOOVERWRITE))
- if (errno == EAGAIN)
- goto dbversion_retry;
- break;
- default:
- /* uh oh. something bad happened. bail. */
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
- }
-
- /* XXX: in the future, we might check for version number here. */
+ if ((rc = txn_begin(db->dbenv, NULL, &tid, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: txn_begin: failed to check db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ while ((rc = db->db_didname->get(db->db_didname, tid, &key, &data, DB_RMW))) {
+ int ret;
+ switch (rc) {
+ case DB_LOCK_DEADLOCK:
+ if ((ret = txn_abort(tid)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: txn_abort: %s", db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ goto dbversion_retry;
+ case DB_NOTFOUND:
+ {
+ u_int32_t version = htonl(DBVERSION);
+
+ data.data = &version;
+ data.size = sizeof(version);
+ }
+
+ if ((ret = db->db_didname->put(db->db_didname, tid, &key, &data,
+ DB_NOOVERWRITE))) {
+ if (ret == DB_LOCK_DEADLOCK) {
+ if ((ret = txn_abort(tid)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: txn_abort: %s",
+ db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ goto dbversion_retry;
+ }
+ else if (ret == DB_RUNRECOVERY) {
+ /* At this point, we don't care if the transaction aborts
+ * successfully or not. */
+ txn_abort(tid);
+ LOG(log_error, logtype_default, "cnid_open: Error putting new version: %s",
+ db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ }
+ break; /* while loop */
+ default:
+ txn_abort(tid);
+ LOG(log_error, logtype_default, "cnid_open: Failed to check db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ }
+
+ if ((rc = txn_commit(tid, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to commit db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ /* TODO In the future we might check for version number here. */
#if 0
- memcpy(&version, data.data, sizeof(version));
- if (version != htonl(DBVERSION)) {
- /* fix up stuff */
- }
+ memcpy(&version, data.data, sizeof(version));
+ if (version != ntohl(DBVERSION)) {
+ /* Do stuff here. */
+ }
#endif /* 0 */
- /* did/macname mapping. btree this one. */
- dbi.bt_compare = compare_mac;
- if (db_open(DBMACNAME, DB_BTREE, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_macname)) {
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
-
- /* did/shortname mapping */
- if (db_open(DBSHORTNAME, DB_BTREE, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_shortname)) {
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- goto fail_appinit;
- }
-
- /* did/longname mapping */
- dbi.bt_compare = compare_unicode;
- if (db_open(DBLONGNAME, DB_BTREE, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_longname)) {
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- goto fail_appinit;
- }
-
- /* dev/ino reverse mapping. we hash this one. */
- dbi.bt_compare = NULL;
- if (db_open(DBDEVINO, DB_HASH, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_devino)) {
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
- goto fail_appinit;
- }
-
- /* main cnid database. we hash this one as well. */
- if (db_open(DBCNID, DB_HASH, open_flag, 0666, &db->dbenv, &dbi,
- &db->db_cnid)) {
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
- db->db_devino->close(db->db_devino, 0);
- goto fail_appinit;
- }
- return db;
-
+#ifdef EXTENDED_DB
+ /* did/macname (31 character) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_macname, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create did/macname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_macname->set_bt_compare(db->db_macname, &compare_mac);
+ if ((rc = db->db_macname->open(db->db_macname, DBMACNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open did/macname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ /* did/shortname (DOS 8.3) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_shortname, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create did/shortname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_shortname->set_bt_compare(db->db_shortname, &compare_mac);
+ if ((rc = db->db_shortname->open(db->db_shortname, DBSHORTNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open did/shortname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ goto fail_appinit;
+ }
+
+ /* did/longname (Unicode) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_longname, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create did/longname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_longname->set_bt_compare(db->db_longname, &compare_unicode);
+ if ((rc = db->db_longname->open(db->db_longname, DBLONGNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open did/longname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ goto fail_appinit;
+ }
+#endif /* EXTENDED_DB */
+
+ /* dev/ino reverse mapping. Use a hash for this one. */
+ if ((rc = db_create(&db->db_devino, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create dev/ino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+#ifdef EXTENDED_DB
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
+#endif /* EXTENDED_DB */
+ goto fail_appinit;
+ }
+
+ if ((rc = db->db_devino->open(db->db_devino, DBDEVINO, NULL, DB_HASH, open_flag, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open devino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+#ifdef EXTENDED_DB
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
+#endif /* EXTENDED_DB */
+ goto fail_appinit;
+ }
+
+ /* Main CNID database. Use a hash for this one. */
+ if ((rc = db_create(&db->db_cnid, db->dbenv, 0)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to create cnid database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+#ifdef EXTENDED_DB
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
+#endif /* EXTENDED_DB */
+ db->db_devino->close(db->db_devino, 0);
+ goto fail_appinit;
+ }
+
+
+ if ((rc = db->db_cnid->open(db->db_cnid, DBCNID, NULL, DB_HASH, open_flag, 0666)) != 0) {
+ LOG(log_error, logtype_default, "cnid_open: Failed to open dev/ino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+#ifdef EXTENDED_DB
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
+#endif /* EXTENDED_DB */
+ goto fail_appinit;
+ }
+
+ return db;
+
fail_appinit:
- syslog(LOG_ERR, "cnid_open: db_open failed");
- db_appexit(&db->dbenv);
+ LOG(log_error, logtype_default, "cnid_open: Failed to setup CNID DB environment");
+ db->dbenv->close(db->dbenv, 0);
fail_lock:
- if (db->lockfd > -1)
- close(db->lockfd);
+ if (db->lockfd > -1) {
+ close(db->lockfd);
+ }
+ if (rfd > -1) {
+ (void)remove(recover_file);
+ close(rfd);
+ }
fail_adouble:
- ad_close(&db->rootinfo, ADFLAGS_HF);
fail_db:
- free(db);
- return NULL;
+ free(db);
+ return NULL;
}
+#endif /* CNID_DB */
+
+