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) {
222 if (!(dbd_flags & DBD_FLAGS_V2TOEA))
224 if (ad_convert(fname, st, myvol) != 0) {
229 dbd_log(LOGSTD, "Conversion error for \"%s/%s\": %s", cwdbuf, fname, strerror(errno));
236 if (dbd_flags & DBD_FLAGS_CLEANUP)
239 if (S_ISDIR(st->st_mode))
240 adflags |= ADFLAGS_DIR;
242 adname = myvol->ad_path(fname, adflags);
244 if ((ret = access( adname, F_OK)) != 0) {
245 if (errno != ENOENT) {
246 dbd_log(LOGSTD, "Access error for ad-file '%s/%s': %s",
247 cwdbuf, adname, strerror(errno));
250 /* Missing. Log and create it */
251 dbd_log(LOGSTD, "Missing AppleDouble file '%s/%s'", cwdbuf, adname);
253 if (dbd_flags & DBD_FLAGS_SCAN)
254 /* Scan only requested, dont change anything */
260 if ((ret = ad_open(&ad, fname, adflags | ADFLAGS_CREATE | ADFLAGS_RDWR, 0666)) != 0) {
261 dbd_log( LOGSTD, "Error creating AppleDouble file '%s/%s': %s",
262 cwdbuf, adname, strerror(errno));
267 /* Set name in ad-file */
268 ad_setname(&ad, utompath((char *)fname));
270 ad_close(&ad, ADFLAGS_HF);
272 chown(adname, st->st_uid, st->st_gid);
273 /* FIXME: should we inherit mode too here ? */
275 chmod(adname, st->st_mode);
279 if (ad_open(&ad, fname, adflags | ADFLAGS_RDONLY) != 0) {
280 dbd_log( LOGSTD, "Error opening AppleDouble file for '%s/%s'", cwdbuf, fname);
283 ad_close(&ad, ADFLAGS_HF);
289 Remove all files with file::EA* from adouble dir
291 static void remove_eafiles(const char *name, struct ea *ea)
295 char eaname[MAXPATHLEN];
297 strlcpy(eaname, name, sizeof(eaname));
298 if (strlcat(eaname, "::EA", sizeof(eaname)) >= sizeof(eaname)) {
299 dbd_log(LOGSTD, "name too long: '%s/%s/%s'", cwdbuf, ADv2_DIRNAME, name);
303 if ((chdir(ADv2_DIRNAME)) != 0) {
304 dbd_log(LOGSTD, "Couldn't chdir to '%s/%s': %s",
305 cwdbuf, ADv2_DIRNAME, strerror(errno));
309 if ((dp = opendir(".")) == NULL) {
310 dbd_log(LOGSTD, "Couldn't open the directory '%s/%s': %s",
311 cwdbuf, ADv2_DIRNAME, strerror(errno));
315 while ((ep = readdir(dp))) {
316 if (strstr(ep->d_name, eaname) != NULL) {
317 dbd_log(LOGSTD, "Removing EA file: '%s/%s/%s'",
318 cwdbuf, ADv2_DIRNAME, ep->d_name);
319 if ((unlink(ep->d_name)) != 0) {
320 dbd_log(LOGSTD, "Error unlinking EA file '%s/%s/%s': %s",
321 cwdbuf, ADv2_DIRNAME, ep->d_name, strerror(errno));
329 if ((chdir("..")) != 0) {
330 dbd_log(LOGSTD, "Couldn't chdir to '%s': %s", cwdbuf, strerror(errno));
331 /* we can't proceed */
332 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
337 Check Extended Attributes files
339 static int check_eafiles(const char *fname)
341 unsigned int count = 0;
347 if ((ret = ea_open(myvol, fname, EA_RDWR, &ea)) != 0) {
350 dbd_log(LOGSTD, "Error calling ea_open for file: %s/%s, removing EA files", cwdbuf, fname);
351 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
352 remove_eafiles(fname, &ea);
357 while (count < ea.ea_count) {
358 dbd_log(LOGDEBUG, "EA: %s", (*ea.ea_entries)[count].ea_name);
361 eaname = ea_path(&ea, (*ea.ea_entries)[count].ea_name, 0);
363 if (lstat(eaname, &st) != 0) {
365 dbd_log(LOGSTD, "Missing EA: %s/%s", cwdbuf, eaname);
367 dbd_log(LOGSTD, "Bogus EA: %s/%s", cwdbuf, eaname);
369 } else if (st.st_size != (*ea.ea_entries)[count].ea_size) {
370 dbd_log(LOGSTD, "Bogus EA: %s/%s, removing it...", cwdbuf, eaname);
372 if ((unlink(eaname)) != 0)
373 dbd_log(LOGSTD, "Error removing EA file '%s/%s': %s",
374 cwdbuf, eaname, strerror(errno));
378 /* Be CAREFUL here! This should do what ea_delentry does. ea_close relies on it !*/
379 free((*ea.ea_entries)[count].ea_name);
380 (*ea.ea_entries)[count].ea_name = NULL;
391 Check for .AppleDouble folder and .Parent, create if missing
393 static int check_addir(int volroot)
395 int addir_ok, adpar_ok;
400 if (dbd_flags & DBD_FLAGS_CLEANUP)
403 if (myvol->v_adouble == AD_VERSION_EA)
406 /* Check for ad-dir */
407 if ( (addir_ok = access(ADv2_DIRNAME, F_OK)) != 0) {
408 if (errno != ENOENT) {
409 dbd_log(LOGSTD, "Access error in directory %s: %s", cwdbuf, strerror(errno));
412 dbd_log(LOGSTD, "Missing %s for '%s'", ADv2_DIRNAME, cwdbuf);
415 /* Check for ".Parent" */
416 if ( (adpar_ok = access(myvol->ad_path(".", ADFLAGS_DIR), F_OK)) != 0) {
417 if (errno != ENOENT) {
418 dbd_log(LOGSTD, "Access error on '%s/%s': %s",
419 cwdbuf, myvol->ad_path(".", ADFLAGS_DIR), strerror(errno));
422 dbd_log(LOGSTD, "Missing .AppleDouble/.Parent for '%s'", cwdbuf);
425 /* Is one missing ? */
426 if ((addir_ok != 0) || (adpar_ok != 0)) {
427 /* Yes, but are we only scanning ? */
428 if (dbd_flags & DBD_FLAGS_SCAN) {
429 /* Yes: missing .Parent is not a problem, but missing ad-dir
430 causes later checking of ad-files to fail. So we have to return appropiately */
433 else /* (adpar_ok != 0) */
437 /* Create ad dir and set name */
440 if (ad_open(&ad, ".", ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_CREATE | ADFLAGS_RDWR, 0777) != 0) {
441 dbd_log( LOGSTD, "Error creating AppleDouble dir in %s: %s", cwdbuf, strerror(errno));
445 /* Get basename of cwd from cwdbuf */
446 mname = utompath(strrchr(cwdbuf, '/') + 1);
448 /* Update name in ad file */
449 ad_setname(&ad, mname);
451 ad_close(&ad, ADFLAGS_HF);
453 /* Inherit owner/group from "." to ".AppleDouble" and ".Parent" */
454 if ((lstat(".", &st)) != 0) {
455 dbd_log( LOGSTD, "Couldnt stat %s: %s", cwdbuf, strerror(errno));
458 chown(ADv2_DIRNAME, st.st_uid, st.st_gid);
459 chown(myvol->ad_path(".", ADFLAGS_DIR), st.st_uid, st.st_gid);
466 Check if file cotains "::EA" and if it does check if its correspondig data fork exists.
468 0 = name is not an EA file
469 1 = name is an EA file and no problem was found
470 -1 = name is an EA file and data fork is gone
472 static int check_eafile_in_adouble(const char *name)
475 char *namep, *namedup = NULL;
477 /* Check if this is an AFPVOL_EA_AD vol */
478 if (myvol->v_vfs_ea == AFPVOL_EA_AD) {
479 /* Does the filename contain "::EA" ? */
480 namedup = strdup(name);
481 if ((namep = strstr(namedup, "::EA")) == NULL) {
485 /* File contains "::EA" so it's an EA file. Check for data file */
487 /* Get string before "::EA" from EA filename */
489 strlcpy(pname + 3, namedup, sizeof(pname)); /* Prepends "../" */
491 if ((access( pname, F_OK)) == 0) {
496 if (errno != ENOENT) {
497 dbd_log(LOGSTD, "Access error for file '%s/%s': %s",
498 cwdbuf, name, strerror(errno));
502 /* Orphaned EA file*/
503 dbd_log(LOGSTD, "Orphaned Extended Attribute file '%s/%s/%s'",
504 cwdbuf, ADv2_DIRNAME, name);
506 if (dbd_flags & DBD_FLAGS_SCAN)
507 /* Scan only requested, dont change anything */
510 if ((unlink(name)) != 0) {
511 dbd_log(LOGSTD, "Error unlinking orphaned Extended Attribute file '%s/%s/%s'",
512 cwdbuf, ADv2_DIRNAME, name);
516 } /* if AFPVOL_EA_AD */
526 Check files and dirs inside .AppleDouble folder:
527 - remove orphaned files
530 static int read_addir(void)
536 if ((chdir(ADv2_DIRNAME)) != 0) {
537 if (myvol->v_adouble == AD_VERSION_EA) {
540 dbd_log(LOGSTD, "Couldn't chdir to '%s/%s': %s",
541 cwdbuf, ADv2_DIRNAME, strerror(errno));
545 if ((dp = opendir(".")) == NULL) {
546 dbd_log(LOGSTD, "Couldn't open the directory '%s/%s': %s",
547 cwdbuf, ADv2_DIRNAME, strerror(errno));
551 while ((ep = readdir(dp))) {
552 /* Check if its "." or ".." */
553 if (DIR_DOT_OR_DOTDOT(ep->d_name))
557 if (STRCMP(ep->d_name, ==, ".Parent"))
560 if ((lstat(ep->d_name, &st)) < 0) {
561 dbd_log( LOGSTD, "Lost file or dir while enumeratin dir '%s/%s/%s', probably removed: %s",
562 cwdbuf, ADv2_DIRNAME, ep->d_name, strerror(errno));
567 if (S_ISDIR(st.st_mode)) {
568 dbd_log( LOGSTD, "Unexpected directory '%s' in AppleDouble dir '%s/%s'",
569 ep->d_name, cwdbuf, ADv2_DIRNAME);
573 /* Check if for orphaned and corrupt Extended Attributes file */
574 if (check_eafile_in_adouble(ep->d_name) != 0)
577 /* Check for data file */
578 strcpy(pname + 3, ep->d_name);
579 if ((access( pname, F_OK)) != 0) {
580 if (errno != ENOENT) {
581 dbd_log(LOGSTD, "Access error for file '%s/%s': %s",
582 cwdbuf, pname, strerror(errno));
585 /* Orphaned ad-file*/
586 dbd_log(LOGSTD, "Orphaned AppleDoube file '%s/%s/%s'",
587 cwdbuf, ADv2_DIRNAME, ep->d_name);
589 if (dbd_flags & DBD_FLAGS_SCAN)
590 /* Scan only requested, dont change anything */
593 if ((unlink(ep->d_name)) != 0) {
594 dbd_log(LOGSTD, "Error unlinking orphaned AppleDoube file '%s/%s/%s'",
595 cwdbuf, ADv2_DIRNAME, ep->d_name);
601 if ((chdir("..")) != 0) {
602 dbd_log(LOGSTD, "Couldn't chdir back to '%s' from AppleDouble dir: %s",
603 cwdbuf, strerror(errno));
604 /* This really is EOT! */
605 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
614 Check CNID for a file/dir, both from db and from ad-file.
615 For detailed specs see intro.
617 @return Correct CNID of object or CNID_INVALID (ie 0) on error
619 static cnid_t check_cnid(const char *name, cnid_t did, struct stat *st, int adfile_ok)
621 int ret, adflags = ADFLAGS_HF;
622 cnid_t db_cnid, ad_cnid;
625 adflags = ADFLAGS_HF | (S_ISDIR(st->st_mode) ? ADFLAGS_DIR : 0);
627 /* Force checkout every X items */
628 static int cnidcount = 0;
630 if (cnidcount > 10000) {
632 if (dbif_txn_checkpoint(dbd, 0, 0, 0) < 0) {
633 dbd_log(LOGSTD, "Error checkpointing!");
638 /* Get CNID from ad-file */
642 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
644 if (dbd_flags & DBD_FLAGS_CLEANUP)
647 if (myvol->v_adouble != AD_VERSION_EA) {
648 dbd_log( LOGSTD, "Error opening AppleDouble file for '%s/%s': %s", cwdbuf, name, strerror(errno));
651 dbd_log( LOGDEBUG, "File without meta EA: \"%s/%s\"", cwdbuf, name);
655 if (dbd_flags & DBD_FLAGS_FORCE) {
656 ad_cnid = ad_forcegetid(&ad);
657 /* This ensures the changed stamp is written */
658 ad_setid( &ad, st->st_dev, st->st_ino, ad_cnid, did, stamp);
661 ad_cnid = ad_getid(&ad, st->st_dev, st->st_ino, 0, stamp);
664 dbd_log( LOGSTD, "Bad CNID in adouble file of '%s/%s'", cwdbuf, name);
666 dbd_log( LOGDEBUG, "CNID from .AppleDouble file for '%s/%s': %u", cwdbuf, name, ntohl(ad_cnid));
667 ad_close(&ad, ADFLAGS_HF);
671 /* Get CNID from database */
673 /* Prepare request data */
674 memset(&rqst, 0, sizeof(struct cnid_dbd_rqst));
675 memset(&rply, 0, sizeof(struct cnid_dbd_rply));
678 if ( ! (myvol->v_flags & AFPVOL_NODEV))
679 rqst.dev = st->st_dev;
680 rqst.ino = st->st_ino;
681 rqst.type = S_ISDIR(st->st_mode)?1:0;
682 rqst.name = (char *)name;
683 rqst.namelen = strlen(name);
685 /* Query the database */
686 ret = dbd_lookup(dbd, &rqst, &rply, (dbd_flags & DBD_FLAGS_SCAN) ? 1 : 0);
687 if (dbif_txn_close(dbd, ret) != 0)
689 if (rply.result == CNID_DBD_RES_OK) {
691 } else if (rply.result == CNID_DBD_RES_NOTFOUND) {
692 if ( ! (dbd_flags & DBD_FLAGS_FORCE))
693 dbd_log( LOGSTD, "No CNID for '%s/%s' in database", cwdbuf, name);
696 dbd_log( LOGSTD, "Fatal error resolving '%s/%s'", cwdbuf, name);
700 /* Compare results from both CNID searches */
701 if (ad_cnid && db_cnid && (ad_cnid == db_cnid)) {
702 /* Everything is fine */
704 } else if (ad_cnid && db_cnid && (ad_cnid != db_cnid)) {
705 /* Mismatch, overwrite ad file with value from db */
706 dbd_log( LOGSTD, "CNID mismatch for '%s/%s', db: %u, ad-file: %u", cwdbuf, name, ntohl(db_cnid), ntohl(ad_cnid));
707 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
708 dbd_log(LOGSTD, "Updating AppleDouble file for '%s/%s' with CNID: %u from database",
709 cwdbuf, name, ntohl(db_cnid));
711 if (ad_open(&ad, name, adflags | ADFLAGS_HF | ADFLAGS_RDWR) != 0) {
712 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
713 cwdbuf, name, strerror(errno));
716 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
718 ad_close(&ad, ADFLAGS_HF);
721 } else if (ad_cnid && (db_cnid == 0)) {
722 /* in ad-file but not in db */
723 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
724 /* Ensure the cnid from the ad-file is not already occupied by another file */
725 dbd_log(LOGDEBUG, "Checking whether CNID %u from ad-file is occupied",
729 ret = dbd_resolve(dbd, &rqst, &rply);
730 if (rply.result == CNID_DBD_RES_OK) {
731 /* Occupied! Choose another, update ad-file */
732 ret = dbd_add(dbd, &rqst, &rply, 1);
733 if (dbif_txn_close(dbd, ret) != 0)
736 dbd_log(LOGSTD, "New CNID for '%s/%s': %u", cwdbuf, name, ntohl(db_cnid));
738 if (ADFILE_OK && ( ! (dbd_flags & DBD_FLAGS_SCAN))) {
739 dbd_log(LOGSTD, "Writing CNID data for '%s/%s' to AppleDouble file",
740 cwdbuf, name, ntohl(db_cnid));
742 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
743 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
744 cwdbuf, name, strerror(errno));
747 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
749 ad_close(&ad, ADFLAGS_HF);
754 dbd_log(LOGDEBUG, "CNID rebuild add '%s/%s' with CNID from ad-file %u",
755 cwdbuf, name, ntohl(ad_cnid));
757 ret = dbd_rebuild_add(dbd, &rqst, &rply);
758 if (dbif_txn_close(dbd, ret) != 0)
762 } else if ((db_cnid == 0) && (ad_cnid == 0)) {
763 /* No CNID at all, we clearly have to allocate a fresh one... */
764 /* Note: the next test will use this new CNID too! */
765 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
767 ret = dbd_add(dbd, &rqst, &rply, 1);
768 if (dbif_txn_close(dbd, ret) != 0)
771 dbd_log(LOGSTD, "New CNID for '%s/%s': %u", cwdbuf, name, ntohl(db_cnid));
775 if ((ad_cnid == 0) && db_cnid) {
776 /* in db but zeroID in ad-file, write it to ad-file */
777 if (ADFILE_OK && ! (dbd_flags & DBD_FLAGS_SCAN)) {
778 dbd_log(LOGSTD, "Writing CNID data for '%s/%s' to AppleDouble file",
779 cwdbuf, name, ntohl(db_cnid));
781 if (ad_open(&ad, name, adflags | ADFLAGS_RDWR) != 0) {
782 dbd_log(LOGSTD, "Error opening AppleDouble file for '%s/%s': %s",
783 cwdbuf, name, strerror(errno));
786 ad_setid( &ad, st->st_dev, st->st_ino, db_cnid, did, stamp);
788 ad_close(&ad, ADFLAGS_HF);
797 This is called recursively for all dirs.
798 volroot=1 means we're in the volume root dir, 0 means we aren't.
799 We use this when checking for netatalk private folders like .AppleDB.
800 did is our parents CNID.
802 static int dbd_readdir(int volroot, cnid_t did)
804 int cwd, ret = 0, adfile_ok, addir_ok, encoding_ok;
809 static struct stat st; /* Save some stack space */
811 /* Check again for .AppleDouble folder, check_adfile also checks/creates it */
812 if ((addir_ok = check_addir(volroot)) != 0)
813 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
814 /* Fatal on rebuild run, continue if only scanning ! */
817 /* Check AppleDouble files in AppleDouble folder, but only if it exists or could be created */
819 if ((read_addir()) != 0)
820 if ( ! (dbd_flags & DBD_FLAGS_SCAN))
821 /* Fatal on rebuild run, continue if only scanning ! */
824 if ((dp = opendir (".")) == NULL) {
825 dbd_log(LOGSTD, "Couldn't open the directory: %s",strerror(errno));
829 while ((ep = readdir (dp))) {
830 /* Check if we got a termination signal */
832 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
834 /* Check if its "." or ".." */
835 if (DIR_DOT_OR_DOTDOT(ep->d_name))
838 /* Check for netatalk special folders e.g. ".AppleDB" or ".AppleDesktop" */
839 if ((name = check_netatalk_dirs(ep->d_name)) != NULL) {
841 dbd_log(LOGSTD, "Nested %s in %s", name, cwdbuf);
845 /* Check for special folders in volume root e.g. ".zfs" */
847 if ((name = check_special_dirs(ep->d_name)) != NULL) {
848 dbd_log(LOGSTD, "Ignoring special dir \"%s\"", name);
853 /* Skip .AppleDouble dir in this loop */
854 if (STRCMP(ep->d_name, == , ADv2_DIRNAME))
857 if ((ret = lstat(ep->d_name, &st)) < 0) {
858 dbd_log( LOGSTD, "Lost file while reading dir '%s/%s', probably removed: %s",
859 cwdbuf, ep->d_name, strerror(errno));
863 switch (st.st_mode & S_IFMT) {
868 dbd_log(LOGDEBUG, "Ignoring symlink %s/%s", cwdbuf, ep->d_name);
871 dbd_log(LOGSTD, "Bad filetype: %s/%s", cwdbuf, ep->d_name);
872 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
873 if ((unlink(ep->d_name)) != 0) {
874 dbd_log(LOGSTD, "Error removing: %s/%s: %s", cwdbuf, ep->d_name, strerror(errno));
880 /**************************************************************************
882 **************************************************************************/
883 static unsigned long long statcount = 0;
890 if ((statcount % 10000) == 0) {
891 if (dbd_flags & DBD_FLAGS_STATS)
892 dbd_log(LOGSTD, "Scanned: %10llu, time: %10llu s",
893 statcount, (unsigned long long)(time(NULL) - t));
896 /**************************************************************************
898 **************************************************************************/
901 if ( -1 == (encoding_ok = check_name_encoding(ep->d_name)) ) {
902 /* If its a file: skipp all other tests now ! */
903 /* For dirs we could try to get a CNID for it and recurse, but currently I prefer not to */
907 /* Check for appledouble file, create if missing, but only if we have addir */
910 adfile_ok = check_adfile(ep->d_name, &st);
914 cnid = check_cnid(ep->d_name, did, &st, adfile_ok);
916 /* Now add this object to our rebuild dbd */
917 if (cnid && dbd_rebuild) {
918 static uint count = 0;
919 rqst.cnid = rply.cnid;
920 ret = dbd_rebuild_add(dbd_rebuild, &rqst, &rply);
921 if (dbif_txn_close(dbd_rebuild, ret) != 0)
923 if (rply.result != CNID_DBD_RES_OK) {
924 dbd_log( LOGSTD, "Fatal error adding CNID: %u for '%s/%s' to in-memory rebuild-db",
925 cnid, cwdbuf, ep->d_name);
929 if (count == 10000) {
930 if (dbif_txn_checkpoint(dbd_rebuild, 0, 0, 0) < 0) {
931 dbd_log(LOGSTD, "Error checkpointing!");
940 if (myvol->v_vfs_ea == AFPVOL_EA_AD)
941 check_eafiles(ep->d_name);
943 /**************************************************************************
945 **************************************************************************/
946 if (S_ISDIR(st.st_mode) && (cnid || nocniddb)) { /* If we have no cnid for it we cant recur */
948 strcat(cwdbuf, ep->d_name);
949 dbd_log( LOGDEBUG, "Entering directory: %s", cwdbuf);
950 if (-1 == (cwd = open(".", O_RDONLY))) {
951 dbd_log( LOGSTD, "Cant open directory '%s': %s", cwdbuf, strerror(errno));
954 if (0 != chdir(ep->d_name)) {
955 dbd_log( LOGSTD, "Cant chdir to directory '%s': %s", cwdbuf, strerror(errno));
960 ret = dbd_readdir(0, cnid);
964 *(strrchr(cwdbuf, '/')) = 0;
971 Use results of previous checks
973 if ((myvol->v_adouble == AD_VERSION_EA) && (dbd_flags & DBD_FLAGS_V2TOEA)) {
974 if (rmdir(ADv2_DIRNAME) != 0) {
979 dbd_log(LOGSTD, "Error removing adouble dir \"%s/%s\": %s", cwdbuf, ADv2_DIRNAME, strerror(errno));
988 static int scanvol(struct vol *vol, dbd_flags_t flags)
992 /* Make this stuff accessible from all funcs easily */
996 /* Run with umask 0 */
999 strcpy(cwdbuf, myvol->v_path);
1000 chdir(myvol->v_path);
1002 if ((myvol->v_adouble == AD_VERSION_EA) && (dbd_flags & DBD_FLAGS_V2TOEA)) {
1003 if (lstat(".", &st) != 0)
1005 if (ad_convert(".", &st, vol) != 0) {
1010 dbd_log(LOGSTD, "Conversion error for \"%s\": %s", myvol->v_path, strerror(errno));
1016 /* Start recursion */
1017 if (dbd_readdir(1, htonl(2)) < 0) /* 2 = volumeroot CNID */
1024 Remove all CNIDs from dbd that are not in dbd_rebuild
1026 static void delete_orphaned_cnids(DBD *dbd, DBD *dbd_rebuild, dbd_flags_t flags)
1028 int ret = 0, deleted = 0;
1029 cnid_t dbd_cnid = 0, rebuild_cnid = 0;
1030 struct cnid_dbd_rqst rqst;
1031 struct cnid_dbd_rply rply;
1033 /* jump over rootinfo key */
1034 if ( dbif_idwalk(dbd, &dbd_cnid, 0) != 1)
1036 if ( dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0) != 1)
1039 /* Get first id from dbd_rebuild */
1040 if ((dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0)) == -1)
1043 /* Start main loop through dbd: get CNID from dbd */
1044 while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) {
1045 /* Check if we got a termination signal */
1047 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
1049 if (deleted > 1000) {
1051 if (dbif_txn_checkpoint(dbd, 0, 0, 0) < 0) {
1052 dbd_log(LOGSTD, "Error checkpointing!");
1057 /* This should be the normal case: CNID is in both dbs */
1058 if (dbd_cnid == rebuild_cnid) {
1059 /* Get next CNID from rebuild db */
1060 if ((ret = dbif_idwalk(dbd_rebuild, &rebuild_cnid, 0)) == -1) {
1063 } else if (ret == 0) {
1064 /* end of rebuild_cnid, delete all remaining CNIDs from dbd */
1065 while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) {
1066 dbd_log(LOGSTD, "Orphaned CNID in database: %u", dbd_cnid);
1067 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
1068 rqst.cnid = htonl(dbd_cnid);
1069 if ((ret = dbd_delete(dbd, &rqst, &rply, DBIF_CNID)) == -1) {
1070 dbd_log(LOGSTD, "Error deleting CNID %u", dbd_cnid);
1071 (void)dbif_txn_abort(dbd);
1075 if (dbif_txn_close(dbd, ret) != 0)
1079 /* Check if we got a termination signal */
1081 longjmp(jmp, 1); /* this jumps back to cmd_dbd_scanvol() */
1085 /* Normal case (ret=1): continue while loop */
1089 if (dbd_cnid < rebuild_cnid) {
1090 /* CNID is orphaned -> delete */
1091 dbd_log(LOGSTD, "One orphaned CNID in database: %u.", dbd_cnid);
1092 if ( ! (dbd_flags & DBD_FLAGS_SCAN)) {
1093 rqst.cnid = htonl(dbd_cnid);
1094 if ((ret = dbd_delete(dbd, &rqst, &rply, DBIF_CNID)) == -1) {
1095 dbd_log(LOGSTD, "Error deleting CNID %u", dbd_cnid);
1096 (void)dbif_txn_abort(dbd);
1099 if (dbif_txn_close(dbd, ret) != 0)
1106 if (dbd_cnid > rebuild_cnid) {
1107 dbif_idwalk(dbd, NULL, 1); /* Close cursor */
1108 dbif_idwalk(dbd_rebuild, NULL, 1); /* Close cursor */
1109 (void)dbif_txn_close(dbd, 2);
1110 (void)dbif_txn_close(dbd_rebuild, 2);
1111 dbd_log(LOGSTD, "Ghost CNID: %u. This is fatal! Dumping rebuild db:\n", rebuild_cnid);
1112 dbif_dump(dbd_rebuild, 0);
1113 dbd_log(LOGSTD, "Send this dump and a `dbd -d ...` dump to the Netatalk Dev team!");
1116 } /* while ((dbif_idwalk(dbd, &dbd_cnid, 0)) == 1) */
1119 dbif_idwalk(dbd, NULL, 1); /* Close cursor */
1120 dbif_idwalk(dbd_rebuild, NULL, 1); /* Close cursor */
1124 static const char *get_tmpdb_path(void)
1126 pid_t pid = getpid();
1127 static char path[MAXPATHLEN];
1128 snprintf(path, MAXPATHLEN, "/tmp/tmpdb-dbd.%u", pid);
1129 if (mkdir(path, 0755) != 0)
1135 Main func called from cmd_dbd.c
1137 int cmd_dbd_scanvol(DBD *dbd_ref, struct vol *vol, dbd_flags_t flags)
1140 struct db_param db_param = { 0 };
1141 const char *tmpdb_path = NULL;
1143 /* Set cachesize for in-memory rebuild db */
1144 db_param.cachesize = 64 * 1024; /* 64 MB */
1145 db_param.maxlocks = DEFAULT_MAXLOCKS;
1146 db_param.maxlockobjs = DEFAULT_MAXLOCKOBJS;
1147 db_param.logfile_autoremove = 1;
1149 /* Make it accessible for all funcs */
1152 /* We only support unicode volumes ! */
1153 if (vol->v_volcharset != CH_UTF8) {
1154 dbd_log( LOGSTD, "Not a Unicode volume: %s, %u != %u", vol->v_volcodepage, vol->v_volcharset, CH_UTF8);
1158 /* Get volume stamp */
1159 dbd_getstamp(dbd, &rqst, &rply);
1160 if (rply.result != CNID_DBD_RES_OK) {
1164 memcpy(stamp, rply.name, CNID_DEV_LEN);
1166 /* temporary rebuild db, used with -re rebuild to delete unused CNIDs, not used with -f */
1167 if (! nocniddb && (flags & DBD_FLAGS_EXCL) && !(flags & DBD_FLAGS_FORCE)) {
1168 tmpdb_path = get_tmpdb_path();
1169 if (NULL == (dbd_rebuild = dbif_init(tmpdb_path, "cnid2.db"))) {
1174 if (dbif_env_open(dbd_rebuild,
1176 DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN) < 0) {
1177 dbd_log(LOGSTD, "error opening tmp database!");
1181 if (0 != (dbif_open(dbd_rebuild, NULL, 0))) {
1186 if (0 != (dbif_copy_rootinfokey(dbd, dbd_rebuild))) {
1192 if (setjmp(jmp) != 0) {
1193 ret = 0; /* Got signal, jump from dbd_readdir */
1198 if ((scanvol(vol, flags)) != 0) {
1205 if (dbif_txn_close(dbd, ret == 0 ? 1 : 0) != 0)
1208 if (dbif_txn_close(dbd_rebuild, ret == 0 ? 1 : 0) != 0)
1210 if ((ret == 0) && dbd_rebuild && (flags & DBD_FLAGS_EXCL) && !(flags & DBD_FLAGS_FORCE))
1211 /* We can only do this in exclusive mode, otherwise we might delete CNIDs added from
1212 other clients in between our pass 1 and 2 */
1213 delete_orphaned_cnids(dbd, dbd_rebuild, flags);
1217 dbd_log(LOGDEBUG, "Closing tmp db");
1218 dbif_close(dbd_rebuild);
1221 char cmd[8 + MAXPATHLEN];
1222 snprintf(cmd, 8 + MAXPATHLEN, "rm -f %s/*", tmpdb_path);
1223 dbd_log( LOGDEBUG, "Removing temp database '%s'", tmpdb_path);
1225 snprintf(cmd, 8 + MAXPATHLEN, "rmdir %s", tmpdb_path);