2 Copyright (c) 2009 Frank Lahm <franklahm@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
17 #endif /* HAVE_CONFIG_H */
21 #include <sys/types.h>
29 #include <atalk/adouble.h>
30 #include <atalk/unicode.h>
31 #include <atalk/netatalk_conf.h>
32 #include <atalk/cnid_dbd_private.h>
33 #include <atalk/volume.h>
35 #include <atalk/util.h>
36 #include <atalk/acl.h>
37 #include <atalk/compat.h>
44 /* Some defines to ease code parsing */
45 #define ADDIR_OK (addir_ok == 0)
46 #define ADFILE_OK (adfile_ok == 0)
49 static struct vol *myvol;
50 static char cwdbuf[MAXPATHLEN+1];
52 static DBD *dbd_rebuild;
53 static dbd_flags_t dbd_flags;
54 static char stamp[CNID_DEV_LEN];
55 static char *netatalk_dirs[] = {
60 static char *special_dirs[] = {
64 static struct cnid_dbd_rqst rqst;
65 static struct cnid_dbd_rply rply;
67 static char pname[MAXPATHLEN] = "../";
70 Taken form afpd/desktop.c
72 static char *utompath(char *upath)
74 static char mpath[ MAXPATHLEN + 2]; /* for convert_charset dest_len parameter +2 */
76 uint16_t flags = CONV_IGNORE | CONV_UNESCAPEHEX;
84 outlen = strlen(upath);
86 if ((myvol->v_casefold & AFPVOL_UTOMUPPER))
87 flags |= CONV_TOUPPER;
88 else if ((myvol->v_casefold & AFPVOL_UTOMLOWER))
89 flags |= CONV_TOLOWER;
91 if ((myvol->v_flags & AFPVOL_EILSEQ)) {
92 flags |= CONV__EILSEQ;
95 /* convert charsets */
96 if ((size_t)-1 == ( outlen = convert_charset(myvol->v_volcharset,
99 u, outlen, mpath, MAXPATHLEN, &flags)) ) {
100 dbd_log( LOGSTD, "Conversion from %s to %s for %s failed.",
101 myvol->v_volcodepage, myvol->v_maccodepage, u);
109 Taken form afpd/desktop.c
111 static char *mtoupath(char *mpath)
113 static char upath[ MAXPATHLEN + 2]; /* for convert_charset dest_len parameter +2 */
122 if ( *mpath == '\0' ) {
126 /* set conversion flags */
127 if (!(myvol->v_flags & AFPVOL_NOHEX))
128 flags |= CONV_ESCAPEHEX;
129 if (!(myvol->v_flags & AFPVOL_USEDOTS))
130 flags |= CONV_ESCAPEDOTS;
132 if ((myvol->v_casefold & AFPVOL_MTOUUPPER))
133 flags |= CONV_TOUPPER;
134 else if ((myvol->v_casefold & AFPVOL_MTOULOWER))
135 flags |= CONV_TOLOWER;
137 if ((myvol->v_flags & AFPVOL_EILSEQ)) {
138 flags |= CONV__EILSEQ;
147 if ((size_t)-1 == (outlen = convert_charset(CH_UTF8_MAC,
150 m, inplen, u, outlen, &flags)) ) {
151 dbd_log( LOGSTD, "conversion from UTF8-MAC to %s for %s failed.",
152 myvol->v_volcodepage, mpath);
160 Check for wrong encoding e.g. "." at the beginning is not CAP encoded (:2e) although volume is default !AFPVOL_USEDOTS.
161 We do it by roundtripiping from volcharset to UTF8-MAC and back and then compare the result.
163 static int check_name_encoding(char *uname)
167 roundtripped = mtoupath(utompath(uname));
169 dbd_log( LOGSTD, "Error checking encoding for '%s/%s'", cwdbuf, uname);
173 if ( STRCMP(uname, !=, roundtripped)) {
174 dbd_log( LOGSTD, "Bad encoding for '%s/%s'", cwdbuf, uname);
182 Check for netatalk special folders e.g. ".AppleDB" or ".AppleDesktop"
183 Returns pointer to name or NULL.
185 static const char *check_netatalk_dirs(const char *name)
189 for (c=0; netatalk_dirs[c]; c++) {
190 if ((strcmp(name, netatalk_dirs[c])) == 0)
191 return netatalk_dirs[c];
197 Check for special names
198 Returns pointer to name or NULL.
200 static const char *check_special_dirs(const char *name)
204 for (c=0; special_dirs[c]; c++) {
205 if ((strcmp(name, special_dirs[c])) == 0)
206 return special_dirs[c];
212 Check for .AppleDouble file, create if missing
214 static int check_adfile(const char *fname, const struct stat *st)
217 int adflags = ADFLAGS_HF;
221 if (myvol->v_adouble == AD_VERSION_EA)
224 if (dbd_flags & DBD_FLAGS_CLEANUP)
227 if (S_ISREG(st->st_mode))
228 adflags |= ADFLAGS_DIR;
230 adname = myvol->ad_path(fname, adflags);
232 if ((ret = access( adname, F_OK)) != 0) {
233 if (errno != ENOENT) {
234 dbd_log(LOGSTD, "Access error for ad-file '%s/%s': %s",
235 cwdbuf, adname, strerror(errno));
238 /* Missing. Log and create it */
239 dbd_log(LOGSTD, "Missing AppleDouble file '%s/%s'", cwdbuf, adname);
241 if (dbd_flags & DBD_FLAGS_SCAN)
242 /* Scan only requested, dont change anything */
248 if ((ret = ad_open(&ad, fname, adflags | ADFLAGS_CREATE | ADFLAGS_RDWR, 0666)) != 0) {
249 dbd_log( LOGSTD, "Error creating AppleDouble file '%s/%s': %s",
250 cwdbuf, adname, strerror(errno));
255 /* Set name in ad-file */
256 ad_setname(&ad, utompath((char *)fname));
258 ad_close(&ad, ADFLAGS_HF);
260 chown(adname, st->st_uid, st->st_gid);
261 /* FIXME: should we inherit mode too here ? */
263 chmod(adname, st->st_mode);
267 if (ad_open(&ad, fname, adflags | ADFLAGS_RDONLY) != 0) {
268 dbd_log( LOGSTD, "Error opening AppleDouble file for '%s/%s'", cwdbuf, fname);
271 ad_close(&ad, ADFLAGS_HF);
277 Remove all files with file::EA* from adouble dir
279 static void remove_eafiles(const char *name, struct ea *ea)
283 char eaname[MAXPATHLEN];
285 strlcpy(eaname, name, sizeof(eaname));
286 if (strlcat(eaname, "::EA", sizeof(eaname)) >= sizeof(eaname)) {
287 dbd_log(LOGSTD, "name too long: '%s/%s/%s'", cwdbuf, ADv2_DIRNAME, name);
291 if ((chdir(ADv2_DIRNAME)) != 0) {
292 dbd_log(LOGSTD, "Couldn't chdir to '%s/%s': %s",
293 cwdbuf, ADv2_DIRNAME, strerror(errno));
297 if ((dp = opendir(".")) == NULL) {
298 dbd_log(LOGSTD, "Couldn't open the directory '%s/%s': %s",
299 cwdbuf, ADv2_DIRNAME, strerror(errno));
303 while ((ep = readdir(dp))) {
304 if (strstr(ep->d_name, eaname) != NULL) {
305 dbd_log(LOGSTD, "Removing EA file: '%s/%s/%s'",
306 cwdbuf, ADv2_DIRNAME, ep->d_name);
307 if ((unlink(ep->d_name)) != 0) {
308 dbd_log(LOGSTD, "Error unlinking EA file '%s/%s/%s': %s",
309 cwdbuf, ADv2_DIRNAME, ep->d_name, strerror(errno));
317 if ((chdir("..")) != 0) {
318 dbd_log(LOGSTD, "Couldn't chdir to '%s': %s", cwdbuf, strerror(errno));
319 /* we can't proceed */
320 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
325 Check Extended Attributes files
327 static int check_eafiles(const char *fname)
329 unsigned int count = 0;
335 if ((ret = ea_open(myvol, fname, EA_RDWR, &ea)) != 0) {
338 dbd_log(LOGSTD, "Error calling ea_open for file: %s/%s, removing EA files", cwdbuf, fname);
339 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
340 remove_eafiles(fname, &ea);
345 while (count < ea.ea_count) {
346 dbd_log(LOGDEBUG, "EA: %s", (*ea.ea_entries)[count].ea_name);
349 eaname = ea_path(&ea, (*ea.ea_entries)[count].ea_name, 0);
351 if (lstat(eaname, &st) != 0) {
353 dbd_log(LOGSTD, "Missing EA: %s/%s", cwdbuf, eaname);
355 dbd_log(LOGSTD, "Bogus EA: %s/%s", cwdbuf, eaname);
357 } else if (st.st_size != (*ea.ea_entries)[count].ea_size) {
358 dbd_log(LOGSTD, "Bogus EA: %s/%s, removing it...", cwdbuf, eaname);
360 if ((unlink(eaname)) != 0)
361 dbd_log(LOGSTD, "Error removing EA file '%s/%s': %s",
362 cwdbuf, eaname, strerror(errno));
366 /* Be CAREFUL here! This should do what ea_delentry does. ea_close relies on it !*/
367 free((*ea.ea_entries)[count].ea_name);
368 (*ea.ea_entries)[count].ea_name = NULL;
379 Check for .AppleDouble folder and .Parent, create if missing
381 static int check_addir(int volroot)
383 int addir_ok, adpar_ok;
388 if (dbd_flags & DBD_FLAGS_CLEANUP)
391 if (myvol->v_adouble == AD_VERSION_EA)
394 /* Check for ad-dir */
395 if ( (addir_ok = access(ADv2_DIRNAME, F_OK)) != 0) {
396 if (errno != ENOENT) {
397 dbd_log(LOGSTD, "Access error in directory %s: %s", cwdbuf, strerror(errno));
400 dbd_log(LOGSTD, "Missing %s for '%s'", ADv2_DIRNAME, cwdbuf);
403 /* Check for ".Parent" */
404 if ( (adpar_ok = access(myvol->ad_path(".", ADFLAGS_DIR), F_OK)) != 0) {
405 if (errno != ENOENT) {
406 dbd_log(LOGSTD, "Access error on '%s/%s': %s",
407 cwdbuf, myvol->ad_path(".", ADFLAGS_DIR), strerror(errno));
410 dbd_log(LOGSTD, "Missing .AppleDouble/.Parent for '%s'", cwdbuf);
413 /* Is one missing ? */
414 if ((addir_ok != 0) || (adpar_ok != 0)) {
415 /* Yes, but are we only scanning ? */
416 if (dbd_flags & DBD_FLAGS_SCAN) {
417 /* Yes: missing .Parent is not a problem, but missing ad-dir
418 causes later checking of ad-files to fail. So we have to return appropiately */
421 else /* (adpar_ok != 0) */
425 /* Create ad dir and set name */
428 if (ad_open(&ad, ".", ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) != 0) {
429 dbd_log( LOGSTD, "Error creating AppleDouble dir in %s: %s", cwdbuf, strerror(errno));
433 /* Get basename of cwd from cwdbuf */
434 mname = utompath(strrchr(cwdbuf, '/') + 1);
436 /* Update name in ad file */
437 ad_setname(&ad, mname);
439 ad_close(&ad, ADFLAGS_HF);
441 /* Inherit owner/group from "." to ".AppleDouble" and ".Parent" */
442 if ((lstat(".", &st)) != 0) {
443 dbd_log( LOGSTD, "Couldnt stat %s: %s", cwdbuf, strerror(errno));
446 chown(ADv2_DIRNAME, st.st_uid, st.st_gid);
447 chown(myvol->ad_path(".", ADFLAGS_DIR), st.st_uid, st.st_gid);
454 Check if file cotains "::EA" and if it does check if its correspondig data fork exists.
456 0 = name is not an EA file
457 1 = name is an EA file and no problem was found
458 -1 = name is an EA file and data fork is gone
460 static int check_eafile_in_adouble(const char *name)
463 char *namep, *namedup = NULL;
465 /* Check if this is an AFPVOL_EA_AD vol */
466 if (myvol->v_vfs_ea == AFPVOL_EA_AD) {
467 /* Does the filename contain "::EA" ? */
468 namedup = strdup(name);
469 if ((namep = strstr(namedup, "::EA")) == NULL) {
473 /* File contains "::EA" so it's an EA file. Check for data file */
475 /* Get string before "::EA" from EA filename */
477 strlcpy(pname + 3, namedup, sizeof(pname)); /* Prepends "../" */
479 if ((access( pname, F_OK)) == 0) {
484 if (errno != ENOENT) {
485 dbd_log(LOGSTD, "Access error for file '%s/%s': %s",
486 cwdbuf, name, strerror(errno));
490 /* Orphaned EA file*/
491 dbd_log(LOGSTD, "Orphaned Extended Attribute file '%s/%s/%s'",
492 cwdbuf, ADv2_DIRNAME, name);
494 if (dbd_flags & DBD_FLAGS_SCAN)
495 /* Scan only requested, dont change anything */
498 if ((unlink(name)) != 0) {
499 dbd_log(LOGSTD, "Error unlinking orphaned Extended Attribute file '%s/%s/%s'",
500 cwdbuf, ADv2_DIRNAME, name);
504 } /* if AFPVOL_EA_AD */
514 Check files and dirs inside .AppleDouble folder:
515 - remove orphaned files
518 static int read_addir(void)
524 if (myvol->v_adouble == AD_VERSION_EA)
527 if ((chdir(ADv2_DIRNAME)) != 0) {
528 dbd_log(LOGSTD, "Couldn't chdir to '%s/%s': %s",
529 cwdbuf, ADv2_DIRNAME, strerror(errno));
533 if ((dp = opendir(".")) == NULL) {
534 dbd_log(LOGSTD, "Couldn't open the directory '%s/%s': %s",
535 cwdbuf, ADv2_DIRNAME, strerror(errno));
539 while ((ep = readdir(dp))) {
540 /* Check if its "." or ".." */
541 if (DIR_DOT_OR_DOTDOT(ep->d_name))
545 if (STRCMP(ep->d_name, ==, ".Parent"))
548 if ((lstat(ep->d_name, &st)) < 0) {
549 dbd_log( LOGSTD, "Lost file or dir while enumeratin dir '%s/%s/%s', probably removed: %s",
550 cwdbuf, ADv2_DIRNAME, ep->d_name, strerror(errno));
555 if (S_ISDIR(st.st_mode)) {
556 dbd_log( LOGSTD, "Unexpected directory '%s' in AppleDouble dir '%s/%s'",
557 ep->d_name, cwdbuf, ADv2_DIRNAME);
561 /* Check if for orphaned and corrupt Extended Attributes file */
562 if (check_eafile_in_adouble(ep->d_name) != 0)
565 /* Check for data file */
566 strcpy(pname + 3, ep->d_name);
567 if ((access( pname, F_OK)) != 0) {
568 if (errno != ENOENT) {
569 dbd_log(LOGSTD, "Access error for file '%s/%s': %s",
570 cwdbuf, pname, strerror(errno));
573 /* Orphaned ad-file*/
574 dbd_log(LOGSTD, "Orphaned AppleDoube file '%s/%s/%s'",
575 cwdbuf, ADv2_DIRNAME, ep->d_name);
577 if (dbd_flags & DBD_FLAGS_SCAN)
578 /* Scan only requested, dont change anything */
581 if ((unlink(ep->d_name)) != 0) {
582 dbd_log(LOGSTD, "Error unlinking orphaned AppleDoube file '%s/%s/%s'",
583 cwdbuf, ADv2_DIRNAME, ep->d_name);
589 if ((chdir("..")) != 0) {
590 dbd_log(LOGSTD, "Couldn't chdir back to '%s' from AppleDouble dir: %s",
591 cwdbuf, strerror(errno));
592 /* This really is EOT! */
593 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
602 Check CNID for a file/dir, both from db and from ad-file.
603 For detailed specs see intro.
605 @return Correct CNID of object or CNID_INVALID (ie 0) on error
607 static cnid_t check_cnid(const char *name, cnid_t did, struct stat *st, int adfile_ok)
609 int ret, adflags = ADFLAGS_HF;
610 cnid_t db_cnid, ad_cnid;
613 adflags = ADFLAGS_HF | (S_ISDIR(st->st_mode) ? ADFLAGS_DIR : 0);
615 /* Force checkout every X items */
616 static int cnidcount = 0;
618 if (cnidcount > 10000) {
620 if (dbif_txn_checkpoint(dbd, 0, 0, 0) < 0) {
621 dbd_log(LOGSTD, "Error checkpointing!");
626 /* Get CNID from ad-file */
630 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
632 if (dbd_flags & DBD_FLAGS_CLEANUP)
635 if (myvol->v_adouble != AD_VERSION_EA) {
636 dbd_log( LOGSTD, "Error opening AppleDouble file for '%s/%s': %s", cwdbuf, name, strerror(errno));
639 dbd_log( LOGDEBUG, "File without meta EA: \"%s/%s\"", cwdbuf, name);
643 if (dbd_flags & DBD_FLAGS_FORCE) {
644 ad_cnid = ad_forcegetid(&ad);
645 /* This ensures the changed stamp is written */
646 ad_setid( &ad, st->st_dev, st->st_ino, ad_cnid, did, stamp);
649 ad_cnid = ad_getid(&ad, st->st_dev, st->st_ino, 0, stamp);
652 dbd_log( LOGSTD, "Bad CNID in adouble file of '%s/%s'", cwdbuf, name);
654 dbd_log( LOGDEBUG, "CNID from .AppleDouble file for '%s/%s': %u", cwdbuf, name, ntohl(ad_cnid));
655 ad_close(&ad, ADFLAGS_HF);
659 /* Get CNID from database */
661 /* Prepare request data */
662 memset(&rqst, 0, sizeof(struct cnid_dbd_rqst));
663 memset(&rply, 0, sizeof(struct cnid_dbd_rply));
666 if ( ! (myvol->v_flags & AFPVOL_NODEV))
667 rqst.dev = st->st_dev;
668 rqst.ino = st->st_ino;
669 rqst.type = S_ISDIR(st->st_mode)?1:0;
670 rqst.name = (char *)name;
671 rqst.namelen = strlen(name);
673 /* Query the database */
674 ret = dbd_lookup(dbd, &rqst, &rply, (dbd_flags & DBD_FLAGS_SCAN) ? 1 : 0);
675 if (dbif_txn_close(dbd, ret) != 0)
677 if (rply.result == CNID_DBD_RES_OK) {
679 } else if (rply.result == CNID_DBD_RES_NOTFOUND) {
680 if ( ! (dbd_flags & DBD_FLAGS_FORCE))
681 dbd_log( LOGSTD, "No CNID for '%s/%s' in database", cwdbuf, name);
684 dbd_log( LOGSTD, "Fatal error resolving '%s/%s'", cwdbuf, name);
688 /* Compare results from both CNID searches */
689 if (ad_cnid && db_cnid && (ad_cnid == db_cnid)) {
690 /* Everything is fine */
692 } else if (ad_cnid && db_cnid && (ad_cnid != db_cnid)) {
693 /* Mismatch, overwrite ad file with value from db */
694 dbd_log( LOGSTD, "CNID mismatch for '%s/%s', db: %u, ad-file: %u", cwdbuf, name, ntohl(db_cnid), ntohl(ad_cnid));
695 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
696 dbd_log(LOGSTD, "Updating AppleDouble file for '%s/%s' with CNID: %u from database",
697 cwdbuf, name, ntohl(db_cnid));
699 if (ad_open(&ad, name, adflags | ADFLAGS_HF | ADFLAGS_RDWR) != 0) {
700 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
701 cwdbuf, name, strerror(errno));
704 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
706 ad_close(&ad, ADFLAGS_HF);
709 } else if (ad_cnid && (db_cnid == 0)) {
710 /* in ad-file but not in db */
711 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
712 /* Ensure the cnid from the ad-file is not already occupied by another file */
713 dbd_log(LOGDEBUG, "Checking whether CNID %u from ad-file is occupied",
717 ret = dbd_resolve(dbd, &rqst, &rply);
718 if (rply.result == CNID_DBD_RES_OK) {
719 /* Occupied! Choose another, update ad-file */
720 ret = dbd_add(dbd, &rqst, &rply, 1);
721 if (dbif_txn_close(dbd, ret) != 0)
724 dbd_log(LOGSTD, "New CNID for '%s/%s': %u", cwdbuf, name, ntohl(db_cnid));
726 if (ADFILE_OK && ( ! (dbd_flags & DBD_FLAGS_SCAN))) {
727 dbd_log(LOGSTD, "Writing CNID data for '%s/%s' to AppleDouble file",
728 cwdbuf, name, ntohl(db_cnid));
730 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
731 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
732 cwdbuf, name, strerror(errno));
735 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
737 ad_close(&ad, ADFLAGS_HF);
742 dbd_log(LOGDEBUG, "CNID rebuild add '%s/%s' with CNID from ad-file %u",
743 cwdbuf, name, ntohl(ad_cnid));
745 ret = dbd_rebuild_add(dbd, &rqst, &rply);
746 if (dbif_txn_close(dbd, ret) != 0)
750 } else if ((db_cnid == 0) && (ad_cnid == 0)) {
751 /* No CNID at all, we clearly have to allocate a fresh one... */
752 /* Note: the next test will use this new CNID too! */
753 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
755 ret = dbd_add(dbd, &rqst, &rply, 1);
756 if (dbif_txn_close(dbd, ret) != 0)
759 dbd_log(LOGSTD, "New CNID for '%s/%s': %u", cwdbuf, name, ntohl(db_cnid));
763 if ((ad_cnid == 0) && db_cnid) {
764 /* in db but zeroID in ad-file, write it to ad-file */
765 if (ADFILE_OK && ! (dbd_flags & DBD_FLAGS_SCAN)) {
766 dbd_log(LOGSTD, "Writing CNID data for '%s/%s' to AppleDouble file",
767 cwdbuf, name, ntohl(db_cnid));
769 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
770 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
771 cwdbuf, name, strerror(errno));
774 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
776 ad_close(&ad, ADFLAGS_HF);
785 This is called recursively for all dirs.
786 volroot=1 means we're in the volume root dir, 0 means we aren't.
787 We use this when checking for netatalk private folders like .AppleDB.
788 did is our parents CNID.
790 static int dbd_readdir(int volroot, cnid_t did)
792 int cwd, ret = 0, adfile_ok, addir_ok, encoding_ok;
797 static struct stat st; /* Save some stack space */
799 /* Check again for .AppleDouble folder, check_adfile also checks/creates it */
800 if ((addir_ok = check_addir(volroot)) != 0)
801 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
802 /* Fatal on rebuild run, continue if only scanning ! */
805 /* Check AppleDouble files in AppleDouble folder, but only if it exists or could be created */
806 if (myvol->v_adouble == AD_VERSION2 && ADDIR_OK)
807 if ((read_addir()) != 0)
808 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
809 /* Fatal on rebuild run, continue if only scanning ! */
812 if ((dp = opendir (".")) == NULL) {
813 dbd_log(LOGSTD, "Couldn't open the directory: %s",strerror(errno));
817 while ((ep = readdir (dp))) {
818 /* Check if we got a termination signal */
820 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
822 /* Check if its "." or ".." */
823 if (DIR_DOT_OR_DOTDOT(ep->d_name))
826 /* Check for netatalk special folders e.g. ".AppleDB" or ".AppleDesktop" */
827 if ((name = check_netatalk_dirs(ep->d_name)) != NULL) {
829 dbd_log(LOGSTD, "Nested %s in %s", name, cwdbuf);
833 /* Check for special folders in volume root e.g. ".zfs" */
835 if ((name = check_special_dirs(ep->d_name)) != NULL) {
836 dbd_log(LOGSTD, "Ignoring special dir \"%s\"", name);
841 /* Skip .AppleDouble dir in this loop */
842 if (STRCMP(ep->d_name, == , ADv2_DIRNAME))
845 if ((ret = lstat(ep->d_name, &st)) < 0) {
846 dbd_log( LOGSTD, "Lost file while reading dir '%s/%s', probably removed: %s",
847 cwdbuf, ep->d_name, strerror(errno));
851 switch (st.st_mode & S_IFMT) {
856 dbd_log(LOGDEBUG, "Ignoring symlink %s/%s", cwdbuf, ep->d_name);
859 dbd_log(LOGSTD, "Bad filetype: %s/%s", cwdbuf, ep->d_name);
860 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
861 if ((unlink(ep->d_name)) != 0) {
862 dbd_log(LOGSTD, "Error removing: %s/%s: %s", cwdbuf, ep->d_name, strerror(errno));
868 /**************************************************************************
870 **************************************************************************/
871 static unsigned long long statcount = 0;
878 if ((statcount % 10000) == 0) {
879 if (dbd_flags & DBD_FLAGS_STATS)
880 dbd_log(LOGSTD, "Scanned: %10llu, time: %10llu s",
881 statcount, (unsigned long long)(time(NULL) - t));
884 /**************************************************************************
886 **************************************************************************/
889 if ( -1 == (encoding_ok = check_name_encoding(ep->d_name)) ) {
890 /* If its a file: skipp all other tests now ! */
891 /* For dirs we could try to get a CNID for it and recurse, but currently I prefer not to */
895 /* Check for appledouble file, create if missing, but only if we have addir */
898 adfile_ok = check_adfile(ep->d_name, &st);
902 cnid = check_cnid(ep->d_name, did, &st, adfile_ok);
904 /* Now add this object to our rebuild dbd */
905 if (cnid && dbd_rebuild) {
906 static uint count = 0;
907 rqst.cnid = rply.cnid;
908 ret = dbd_rebuild_add(dbd_rebuild, &rqst, &rply);
909 if (dbif_txn_close(dbd_rebuild, ret) != 0)
911 if (rply.result != CNID_DBD_RES_OK) {
912 dbd_log( LOGSTD, "Fatal error adding CNID: %u for '%s/%s' to in-memory rebuild-db",
913 cnid, cwdbuf, ep->d_name);
917 if (count == 10000) {
918 if (dbif_txn_checkpoint(dbd_rebuild, 0, 0, 0) < 0) {
919 dbd_log(LOGSTD, "Error checkpointing!");
928 if (myvol->v_vfs_ea == AFPVOL_EA_AD)
929 check_eafiles(ep->d_name);
931 /**************************************************************************
933 **************************************************************************/
934 if (S_ISDIR(st.st_mode) && (cnid || nocniddb)) { /* If we have no cnid for it we cant recur */
936 strcat(cwdbuf, ep->d_name);
937 dbd_log( LOGDEBUG, "Entering directory: %s", cwdbuf);
938 if (-1 == (cwd = open(".", O_RDONLY))) {
939 dbd_log( LOGSTD, "Cant open directory '%s': %s", cwdbuf, strerror(errno));
942 if (0 != chdir(ep->d_name)) {
943 dbd_log( LOGSTD, "Cant chdir to directory '%s': %s", cwdbuf, strerror(errno));
948 ret = dbd_readdir(0, cnid);
952 *(strrchr(cwdbuf, '/')) = 0;
959 Use results of previous checks
966 static int scanvol(struct vol *vol, dbd_flags_t flags)
968 /* Make this stuff accessible from all funcs easily */
972 /* Run with umask 0 */
975 strcpy(cwdbuf, myvol->v_path);
976 chdir(myvol->v_path);
978 /* Start recursion */
979 if (dbd_readdir(1, htonl(2)) < 0) /* 2 = volumeroot CNID */
986 Remove all CNIDs from dbd that are not in dbd_rebuild
988 static void delete_orphaned_cnids(DBD *dbd, DBD *dbd_rebuild, dbd_flags_t flags)
990 int ret = 0, deleted = 0;
991 cnid_t dbd_cnid = 0, rebuild_cnid = 0;
992 struct cnid_dbd_rqst rqst;
993 struct cnid_dbd_rply rply;
995 /* jump over rootinfo key */
996 if ( dbif_idwalk(dbd, &dbd_cnid, 0) != 1)
998 if ( dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0) != 1)
1001 /* Get first id from dbd_rebuild */
1002 if ((dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0)) == -1)
1005 /* Start main loop through dbd: get CNID from dbd */
1006 while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) {
1007 /* Check if we got a termination signal */
1009 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
1011 if (deleted > 1000) {
1013 if (dbif_txn_checkpoint(dbd, 0, 0, 0) < 0) {
1014 dbd_log(LOGSTD, "Error checkpointing!");
1019 /* This should be the normal case: CNID is in both dbs */
1020 if (dbd_cnid == rebuild_cnid) {
1021 /* Get next CNID from rebuild db */
1022 if ((ret = dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0)) == -1) {
1025 } else if (ret == 0) {
1026 /* end of rebuild_cnid, delete all remaining CNIDs from dbd */
1027 while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) {
1028 dbd_log(LOGSTD, "Orphaned CNID in database: %u", dbd_cnid);
1029 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
1030 rqst.cnid = htonl(dbd_cnid);
1031 if ((ret = dbd_delete(dbd, &rqst, &rply, DBIF_CNID)) == -1) {
1032 dbd_log(LOGSTD, "Error deleting CNID %u", dbd_cnid);
1033 (void)dbif_txn_abort(dbd);
1037 if (dbif_txn_close(dbd, ret) != 0)
1041 /* Check if we got a termination signal */
1043 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
1047 /* Normal case (ret=1): continue while loop */
1051 if (dbd_cnid < rebuild_cnid) {
1052 /* CNID is orphaned -> delete */
1053 dbd_log(LOGSTD, "One orphaned CNID in database: %u.", dbd_cnid);
1054 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
1055 rqst.cnid = htonl(dbd_cnid);
1056 if ((ret = dbd_delete(dbd, &rqst, &rply, DBIF_CNID)) == -1) {
1057 dbd_log(LOGSTD, "Error deleting CNID %u", dbd_cnid);
1058 (void)dbif_txn_abort(dbd);
1061 if (dbif_txn_close(dbd, ret) != 0)
1068 if (dbd_cnid > rebuild_cnid) {
1069 dbif_idwalk(dbd, NULL, 1); /* Close cursor */
1070 dbif_idwalk(dbd_rebuild, NULL, 1); /* Close cursor */
1071 (void)dbif_txn_close(dbd, 2);
1072 (void)dbif_txn_close(dbd_rebuild, 2);
1073 dbd_log(LOGSTD, "Ghost CNID: %u. This is fatal! Dumping rebuild db:\n", rebuild_cnid);
1074 dbif_dump(dbd_rebuild, 0);
1075 dbd_log(LOGSTD, "Send this dump and a `dbd -d ...` dump to the Netatalk Dev team!");
1078 } /* while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) */
1081 dbif_idwalk(dbd, NULL, 1); /* Close cursor */
1082 dbif_idwalk(dbd_rebuild, NULL, 1); /* Close cursor */
1086 static const char *get_tmpdb_path(void)
1088 pid_t pid = getpid();
1089 static char path[MAXPATHLEN];
1090 snprintf(path, MAXPATHLEN, "/tmp/tmpdb-dbd.%u", pid);
1091 if (mkdir(path, 0755) != 0)
1097 Main func called from cmd_dbd.c
1099 int cmd_dbd_scanvol(DBD *dbd_ref, struct vol *vol, dbd_flags_t flags)
1102 struct db_param db_param = { 0 };
1103 const char *tmpdb_path = NULL;
1105 /* Set cachesize for in-memory rebuild db */
1106 db_param.cachesize = 64 * 1024; /* 64 MB */
1107 db_param.maxlocks = DEFAULT_MAXLOCKS;
1108 db_param.maxlockobjs = DEFAULT_MAXLOCKOBJS;
1109 db_param.logfile_autoremove = 1;
1111 /* Make it accessible for all funcs */
1114 /* We only support unicode volumes ! */
1115 if (vol->v_volcharset != CH_UTF8) {
1116 dbd_log( LOGSTD, "Not a Unicode volume: %s, %u != %u", vol->v_volcodepage, vol->v_volcharset, CH_UTF8);
1120 /* Get volume stamp */
1121 dbd_getstamp(dbd, &rqst, &rply);
1122 if (rply.result != CNID_DBD_RES_OK) {
1126 memcpy(stamp, rply.name, CNID_DEV_LEN);
1128 /* temporary rebuild db, used with -re rebuild to delete unused CNIDs, not used with -f */
1129 if (! nocniddb && (flags & DBD_FLAGS_EXCL) && !(flags & DBD_FLAGS_FORCE)) {
1130 tmpdb_path = get_tmpdb_path();
1131 if (NULL == (dbd_rebuild = dbif_init(tmpdb_path, "cnid2.db"))) {
1136 if (dbif_env_open(dbd_rebuild,
1138 DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN) < 0) {
1139 dbd_log(LOGSTD, "error opening tmp database!");
1143 if (0 != (dbif_open(dbd_rebuild, NULL, 0))) {
1148 if (0 != (dbif_copy_rootinfokey(dbd, dbd_rebuild))) {
1154 if (setjmp(jmp) != 0) {
1155 ret = 0; /* Got signal, jump from dbd_readdir */
1160 if ((scanvol(vol, flags)) != 0) {
1167 if (dbif_txn_close(dbd, ret == 0 ? 1 : 0) != 0)
1170 if (dbif_txn_close(dbd_rebuild, ret == 0 ? 1 : 0) != 0)
1172 if ((ret == 0) && dbd_rebuild && (flags & DBD_FLAGS_EXCL) && !(flags & DBD_FLAGS_FORCE))
1173 /* We can only do this in exclusive mode, otherwise we might delete CNIDs added from
1174 other clients in between our pass 1 and 2 */
1175 delete_orphaned_cnids(dbd, dbd_rebuild, flags);
1179 dbd_log(LOGDEBUG, "Closing tmp db");
1180 dbif_close(dbd_rebuild);
1183 char cmd[8 + MAXPATHLEN];
1184 snprintf(cmd, 8 + MAXPATHLEN, "rm -f %s/*", tmpdb_path);
1185 dbd_log( LOGDEBUG, "Removing temp database '%s'", tmpdb_path);
1187 snprintf(cmd, 8 + MAXPATHLEN, "rmdir %s", tmpdb_path);