/*
- $Id: cmd_dbd.c,v 1.7 2009-09-14 01:24:40 didg Exp $
+ $Id: cmd_dbd.c,v 1.15 2009-11-25 14:59:15 franklahm Exp $
Copyright (c) 2009 Frank Lahm <franklahm@gmail.com>
#define LOCKFILENAME "lock"
#define DBOPTIONS (DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN)
-static DBD *dbd;
-
+int nocniddb = 0; /* Dont open CNID database, only scan filesystem */
volatile sig_atomic_t alarmed;
+
+static DBD *dbd;
static int verbose; /* Logging flag */
static int exclusive; /* Exclusive volume access */
static struct db_param db_param = {
return;
}
-void set_signal(void)
+static void set_signal(void)
{
struct sigaction sv;
}
}
-int get_lock(const char *dbpath)
+static int get_lock(const char *dbpath)
{
int lockfd;
char lockpath[PATH_MAX];
return lockfd;
}
-void free_lock(int lockfd)
+static void free_lock(int lockfd)
{
struct flock lock;
close(lockfd);
}
-static void usage ()
+static void usage (void)
{
- printf("Usage: dbd [-e|-v|-x|-u] -d [-i] | -s | -r [-f] <path to netatalk volume>\n"
+ printf("Usage: dbd [-e|-v|-x] -d [-i] | -s [-n]| -r [-f] | -u <path to netatalk volume>\n"
"dbd can dump, scan, reindex and rebuild Netatalk dbd CNID databases.\n"
"dbd must be run with appropiate permissions i.e. as root.\n\n"
"Main commands are:\n"
" 5. Check for directories inside AppleDouble directories\n"
" 6. Check name encoding by roundtripping, log on error\n"
" 7. Check for orphaned CNIDs in database (requires -e)\n"
+ " 8. Open and close adouble files\n"
+ " Option: -n Don't open CNID database, skip CNID checks\n"
" -r Rebuild volume:\n"
" 1. Sync CNIDSs in database with volume\n"
" 2. Make sure .AppleDouble dir exist, create if missing\n"
" 5. Check for directories inside AppleDouble directories\n"
" 6. Check name encoding by roundtripping, log on error\n"
" 7. Check for orphaned CNIDs in database (requires -e)\n"
+ " 8. Open and close adouble files\n"
" Option: -f wipe database and rebuild from IDs stored in AppleDouble files,\n"
- " only available for volumes with 'cachecnid' option. Implies -e.\n"
+ " only available for volumes without 'nocnidcache' option. Implies -e.\n"
" -u Prepare upgrade:\n"
" Before installing an upgraded version of Netatalk that is linked against\n"
" a newer BerkeleyDB lib, run `dbd -u ...` from the OLD Netatalk pior to\n"
" -x rebuild indexes (just for completeness, mostly useless!)\n"
" -v verbose\n\n"
"WARNING:\n"
- "If you want/need to run an -r -f rebuild after adding 'cachecnid' to a volume configuration,\n"
- "you must run a rebuild with -r alone at first in order to sync all existing CNIDs from the db\n"
- "to the AppleDouble files!\n"
+ "For -r -f restore of the CNID database from the adouble files, the CNID must of course\n"
+ "be synched to them files first with a plain -r rebuild !\n"
);
}
exit(EXIT_FAILURE);
}
- while ((c = getopt(argc, argv, ":dsruvxife")) != -1) {
+ while ((c = getopt(argc, argv, ":dsnruvxife")) != -1) {
switch(c) {
case 'd':
dump = 1;
scan = 1;
flags |= DBD_FLAGS_SCAN;
break;
+ case 'n':
+ nocniddb = 1;
+ break;
case 'r':
rebuild = 1;
break;
/* Load .volinfo file */
if (loadvolinfo(volpath, &volinfo) == -1) {
- dbd_log( LOGSTD, "Unkown volume options!");
+ dbd_log( LOGSTD, "Not a Netatalk volume at '%s', no .volinfo file at '%s/.AppleDesktop/.volinfo' or unknown volume options", volpath, volpath);
exit(EXIT_FAILURE);
}
if (vol_load_charsets(&volinfo) == -1) {
strncpy(dbpath, volinfo.v_dbpath, PATH_MAX - 9 - 1);
strcat(dbpath, "/.AppleDB");
+ /* Check or create dbpath */
+ int dbdirfd = open(dbpath, O_RDONLY);
+ if (dbdirfd == -1 && errno == ENOENT) {
+ if (errno == ENOENT) {
+ if ((mkdir(dbpath, 0755)) != 0) {
+ dbd_log( LOGSTD, "Can't create .AppleDB for \"%s\": %s", dbpath, strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ dbd_log( LOGSTD, "Somethings wrong with .AppleDB for \"%s\", giving up: %s", dbpath, strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ close(dbdirfd);
+ }
+
/*
Before we do anything else, check if there is an instance of cnid_dbd
running already and silently exit if yes.
/*
Lets start with the BerkeleyDB stuff
*/
- if ((dbd = dbif_init(dbpath, "cnid2.db")) == NULL)
- goto exit_failure;
-
- if (dbif_env_open(dbd, &db_param, exclusive ? (DBOPTIONS | DB_RECOVER) : DBOPTIONS) < 0) {
- dbd_log( LOGSTD, "error opening database!");
- goto exit_failure;
- }
+ if ( ! nocniddb) {
+ if ((dbd = dbif_init(dbpath, "cnid2.db")) == NULL)
+ goto exit_failure;
+
+ if (dbif_env_open(dbd, &db_param, exclusive ? (DBOPTIONS | DB_RECOVER) : DBOPTIONS) < 0) {
+ dbd_log( LOGSTD, "error opening database!");
+ goto exit_failure;
+ }
- if (exclusive)
- dbd_log( LOGDEBUG, "Finished recovery.");
+ if (exclusive)
+ dbd_log( LOGDEBUG, "Finished recovery.");
- if (dbif_open(dbd, &db_param, rebuildindexes) < 0) {
- dbif_close(dbd);
- goto exit_failure;
- }
+ if (dbif_open(dbd, &db_param, rebuildindexes) < 0) {
+ dbif_close(dbd);
+ goto exit_failure;
+ }
- if (dbd_stamp(dbd) < 0) {
- dbif_close(dbd);
- goto exit_failure;
+ if (dbd_stamp(dbd) < 0) {
+ dbif_close(dbd);
+ goto exit_failure;
+ }
}
- if (dump) {
+ /* Now execute given command scan|rebuild|dump */
+ if (dump && ! nocniddb) {
if (dbif_dump(dbd, dumpindexes) < 0) {
dbd_log( LOGSTD, "Error dumping database");
}
- } else if (rebuild || scan) {
+ } else if ((rebuild && ! nocniddb) || (scan && nocniddb)) {
if (cmd_dbd_scanvol(dbd, &volinfo, flags) < 0) {
dbd_log( LOGSTD, "Error repairing database.");
}
}
- if (dbif_close(dbd) < 0) {
+ /* Cleanup */
+ if (! nocniddb && dbif_close(dbd) < 0) {
dbd_log( LOGSTD, "Error closing database");
goto exit_failure;
}