1/*
2    Copyright (c) 2004 Didier Gautheron
3    Copyright (c) 2009 Frank Lahm
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19*/
20#ifdef HAVE_CONFIG_H
21#include "config.h"
22#endif /* HAVE_CONFIG_H */
23
24#include <sys/types.h>
25#include <sys/stat.h>
26#include <unistd.h>
27#include <string.h>
28#include <stdio.h>
29#include <stdlib.h>
30#include <libgen.h>
31
32#include <atalk/afp.h>
33#include <atalk/adouble.h>
34#include <atalk/ea.h>
35#include <atalk/acl.h>
36#include <atalk/logger.h>
37#include <atalk/util.h>
38#include <atalk/volume.h>
39#include <atalk/vfs.h>
40#include <atalk/directory.h>
41#include <atalk/unix.h>
42#include <atalk/errchk.h>
43#include <atalk/bstrlib.h>
44#include <atalk/bstradd.h>
45#include <atalk/compat.h>
46
47struct perm {
48    uid_t uid;
49    gid_t gid;
50};
51
52typedef int (*rf_loop)(const struct vol *, struct dirent *, char *, void *, int);
53
54/* ----------------------------- */
55static int
56for_each_adouble(const char *from, const char *name, rf_loop fn, const struct vol *vol, void *data, int flag)
57{
58    char            buf[ MAXPATHLEN + 1];
59    char            *m;
60    DIR             *dp;
61    struct dirent   *de;
62    int             ret;
63
64
65    if (NULL == ( dp = opendir( name)) ) {
66        if (!flag) {
67            LOG(log_error, logtype_afpd, "%s: opendir %s: %s", from, fullpathname(name),strerror(errno) );
68            return -1;
69        }
70        return 0;
71    }
72    strlcpy( buf, name, sizeof(buf));
73    strlcat( buf, "/", sizeof(buf) );
74    m = strchr( buf, '\0' );
75    ret = 0;
76    while ((de = readdir(dp))) {
77        if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
78                continue;
79        }
80
81        strlcat(buf, de->d_name, sizeof(buf));
82        if (fn && (ret = fn(vol, de, buf, data, flag))) {
83           closedir(dp);
84           return ret;
85        }
86        *m = 0;
87    }
88    closedir(dp);
89    return ret;
90}
91
92static int netatalk_name(const char *name)
93{
94    return strcmp(name,".AppleDB") && strcmp(name,".AppleDesktop");
95}
96
97/*******************************************************************************
98 * classic adouble format
99 *******************************************************************************/
100
101static int validupath_adouble(VFS_FUNC_ARGS_VALIDUPATH)
102{
103    if (name[0] != '.')
104        return 1;
105
106    return netatalk_name(name) && strcmp(name,".AppleDouble") && strcasecmp(name,".Parent");
107}
108
109/* ----------------- */
110static int RF_chown_adouble(VFS_FUNC_ARGS_CHOWN)
111{
112    struct stat st;
113    const char *ad_p;
114
115    ad_p = vol->ad_path(path, ADFLAGS_HF );
116
117    if ( stat( ad_p, &st ) < 0 )
118        return 0; /* ignore */
119
120    return chown( ad_p, uid, gid );
121}
122
123/* ----------------- */
124static int RF_renamedir_adouble(VFS_FUNC_ARGS_RENAMEDIR)
125{
126    return 0;
127}
128
129/* ----------------- */
130static int deletecurdir_adouble_loop(const struct vol *vol, struct dirent *de, char *name, void *data _U_, int flag _U_)
131{
132    struct stat st;
133    int         err;
134
135    /* bail if the file exists in the current directory.
136     * note: this will not fail with dangling symlinks */
137
138    if (lstat(de->d_name, &st) == 0)
139        return AFPERR_DIRNEMPT;
140
141    if ((err = netatalk_unlink(name)))
142        return err;
143
144    return 0;
145}
146
147static int RF_deletecurdir_adouble(VFS_FUNC_ARGS_DELETECURDIR)
148{
149    int err;
150
151    /* delete stray .AppleDouble files. this happens to get .Parent files
152       as well. */
153    if ((err = for_each_adouble("deletecurdir", ".AppleDouble", deletecurdir_adouble_loop, vol, NULL, 1)))
154        return err;
155    return netatalk_rmdir(-1, ".AppleDouble" );
156}
157
158/* ----------------- */
159static int adouble_setfilmode(const struct vol *vol, const char *name, mode_t mode, struct stat *st)
160{
161    return setfilmode(vol, name, ad_hf_mode(mode), st);
162}
163
164static int RF_setfilmode_adouble(VFS_FUNC_ARGS_SETFILEMODE)
165{
166    return adouble_setfilmode(vol, vol->ad_path(name, ADFLAGS_HF ), mode, st);
167}
168
169/* ----------------- */
170static int RF_setdirunixmode_adouble(VFS_FUNC_ARGS_SETDIRUNIXMODE)
171{
172    const char *adouble = vol->ad_path(name, ADFLAGS_DIR );
173
174    if (dir_rx_set(mode)) {
175        if (chmod_acl(ad_dir(adouble), (DIRBITS | mode) & ~vol->v_umask) < 0 )
176            return -1;
177    }
178
179    if (adouble_setfilmode(vol, vol->ad_path(name, ADFLAGS_DIR ), mode, st) < 0)
180        return -1;
181
182    if (!dir_rx_set(mode)) {
183        if (chmod_acl(ad_dir(adouble), (DIRBITS | mode) & ~vol->v_umask) < 0 )
184            return  -1 ;
185    }
186    return 0;
187}
188
189/* ----------------- */
190static int setdirmode_adouble_loop(const struct vol *vol, struct dirent *de _U_, char *name, void *data, int flag)
191{
192    mode_t hf_mode = *(mode_t *)data;
193    struct stat st;
194
195    if (ostat(name, &st, vol_syml_opt(vol)) < 0 ) {
196        if (flag)
197            return 0;
198        LOG(log_error, logtype_afpd, "setdirmode: stat %s: %s", name, strerror(errno) );
199    }
200    else if (!S_ISDIR(st.st_mode)) {
201        if (setfilmode(vol, name, hf_mode, &st) < 0) {
202               /* FIXME what do we do then? */
203        }
204    }
205    return 0;
206}
207
208static int RF_setdirmode_adouble(VFS_FUNC_ARGS_SETDIRMODE)
209{
210    mode_t hf_mode = ad_hf_mode(mode);
211    const char  *adouble = vol->ad_path(name, ADFLAGS_DIR );
212    const char  *adouble_p = ad_dir(adouble);
213
214    if (dir_rx_set(mode)) {
215        if (chmod_acl(ad_dir(adouble), (DIRBITS | mode) & ~vol->v_umask) < 0)
216            return -1;
217    }
218
219    if (for_each_adouble("setdirmode", adouble_p, setdirmode_adouble_loop, vol, &hf_mode, 0))
220        return -1;
221
222    if (!dir_rx_set(mode)) {
223        if (chmod_acl(ad_dir(adouble), (DIRBITS | mode) & ~vol->v_umask) < 0)
224            return  -1 ;
225    }
226    return 0;
227}
228
229static int RF_setdirowner_adouble(VFS_FUNC_ARGS_SETDIROWNER)
230{
231    if (lchown(".AppleDouble", uid, gid) < 0 && errno != EPERM ) {
232        LOG(log_debug, logtype_afpd, "setdirowner: chown %d/%d %s: %s",
233            uid, gid,fullpathname(".AppleDouble"), strerror(errno));
234    }
235    return 0;
236}
237
238/* ----------------- */
239static int RF_deletefile_adouble(VFS_FUNC_ARGS_DELETEFILE)
240{
241	return netatalk_unlinkat(dirfd, vol->ad_path(file, ADFLAGS_HF));
242}
243
244/* ----------------- */
245static int RF_renamefile_adouble(VFS_FUNC_ARGS_RENAMEFILE)
246{
247    char  adsrc[ MAXPATHLEN + 1];
248    int   err = 0;
249
250    strcpy( adsrc, vol->ad_path(src, 0 ));
251    if (unix_rename(dirfd, adsrc, -1, vol->ad_path(dst, 0 )) < 0) {
252        struct stat st;
253
254        err = errno;
255        if (errno == ENOENT) {
256	        struct adouble    ad;
257
258            if (ostatat(dirfd, adsrc, &st, vol_syml_opt(vol))) /* source has no ressource fork, */
259                return 0;
260
261            /* We are here  because :
262             * -there's no dest folder.
263             * -there's no .AppleDouble in the dest folder.
264             * if we use the struct adouble passed in parameter it will not
265             * create .AppleDouble if the file is already opened, so we
266             * use a diff one, it's not a pb,ie it's not the same file, yet.
267             */
268            ad_init(&ad, vol);
269            if (ad_open(&ad, dst, ADFLAGS_HF | ADFLAGS_RDWR | ADFLAGS_CREATE, 0666) == 0) {
270            	ad_close(&ad, ADFLAGS_HF);
271    	        if (!unix_rename(dirfd, adsrc, -1, vol->ad_path(dst, 0 )) )
272                   err = 0;
273                else
274                   err = errno;
275            }
276            else { /* it's something else, bail out */
277	            err = errno;
278	        }
279	    }
280	}
281	if (err) {
282		errno = err;
283		return -1;
284	}
285	return 0;
286}
287
288static int RF_copyfile_adouble(VFS_FUNC_ARGS_COPYFILE)
289/* const struct vol *vol, int sfd, const char *src, const char *dst */
290{
291    EC_INIT;
292    bstring s = NULL, d = NULL;
293    char *dup1 = NULL;
294    char *dup2 = NULL;
295    char *dup3 = NULL;
296    char *dup4 = NULL;
297    const char *name = NULL;
298    const char *dir = NULL;
299
300    struct stat st;
301    EC_ZERO(stat(dst, &st));
302
303    if (S_ISDIR(st.st_mode)) {
304        /* build src path to AppleDouble file*/
305        EC_NULL(s = bfromcstr(src));
306        EC_ZERO(bcatcstr(s, "/.AppleDouble/.Parent"));
307
308        /* build dst path to AppleDouble file*/
309        EC_NULL(d = bfromcstr(dst));
310        EC_ZERO(bcatcstr(d, "/.AppleDouble/.Parent"));
311    } else {
312        /* get basename */
313
314        /* build src path to AppleDouble file*/
315        EC_NULL(dup1 = strdup(src));
316        EC_NULL(name = basename(strdup(dup1)));
317
318        EC_NULL(dup2 = strdup(src));
319        EC_NULL(dir = dirname(dup2));
320        EC_NULL(s = bfromcstr(dir));
321        EC_ZERO(bcatcstr(s, "/.AppleDouble/"));
322        EC_ZERO(bcatcstr(s, name));
323
324        /* build dst path to AppleDouble file*/
325        EC_NULL(dup4 = strdup(dst));
326        EC_NULL(name = basename(strdup(dup4)));
327
328        EC_NULL(dup3 = strdup(dst));
329        EC_NULL(dir = dirname(dup3));
330        EC_NULL(d = bfromcstr(dir));
331        EC_ZERO(bcatcstr(d, "/.AppleDouble/"));
332        EC_ZERO(bcatcstr(d, name));
333    }
334
335    /* ignore errors */
336    if (copy_file(sfd, cfrombstr(s), cfrombstr(d), 0666) != 0)
337        if (errno != ENOENT)
338            EC_FAIL;
339
340EC_CLEANUP:
341    bdestroy(s);
342    bdestroy(d);
343    if (dup1) free(dup1);
344    if (dup2) free(dup2);
345    if (dup3) free(dup3);
346    if (dup4) free(dup4);
347
348    EC_EXIT;
349}
350
351#ifdef HAVE_SOLARIS_ACLS
352static int RF_solaris_acl(VFS_FUNC_ARGS_ACL)
353{
354    static char buf[ MAXPATHLEN + 1];
355    struct stat st;
356    int len;
357
358    if ((stat(path, &st)) != 0) {
359        if (errno == ENOENT)
360            return AFP_OK;
361        return AFPERR_MISC;
362    }
363    if (!S_ISDIR(st.st_mode)) {
364        /* set ACL on ressource fork */
365        if ((acl(vol->ad_path(path, ADFLAGS_HF), cmd, count, aces)) != 0)
366            return AFPERR_MISC;
367    }
368    return AFP_OK;
369}
370
371static int RF_solaris_remove_acl(VFS_FUNC_ARGS_REMOVE_ACL)
372{
373    int ret;
374    static char buf[ MAXPATHLEN + 1];
375    int len;
376
377    if (dir)
378        return AFP_OK;
379
380    /* remove ACL from ressource fork */
381    if ((ret = remove_acl_vfs(vol->ad_path(path, ADFLAGS_HF))) != AFP_OK) {
382        if (errno == ENOENT)
383            return AFP_OK;
384        return ret;
385    }
386
387    return AFP_OK;
388}
389#endif
390
391#ifdef HAVE_POSIX_ACLS
392static int RF_posix_acl(VFS_FUNC_ARGS_ACL)
393{
394    EC_INIT;
395    struct stat st;
396
397    if (stat(path, &st) == -1)
398        EC_FAIL;
399
400    if (!S_ISDIR(st.st_mode)) {
401        /* set ACL on ressource fork */
402        EC_ZERO_ERR( acl_set_file(vol->ad_path(path, ADFLAGS_HF), type, acl), AFPERR_MISC );
403    }
404
405EC_CLEANUP:
406    if (errno == ENOENT)
407        EC_STATUS(AFP_OK);
408    EC_EXIT;
409}
410
411static int RF_posix_remove_acl(VFS_FUNC_ARGS_REMOVE_ACL)
412{
413    EC_INIT;
414
415    if (dir)
416        EC_EXIT_STATUS(AFP_OK);
417
418    /* remove ACL from ressource fork */
419    EC_ZERO_ERR( remove_acl_vfs(vol->ad_path(path, ADFLAGS_HF)), AFPERR_MISC );
420
421EC_CLEANUP:
422    if (errno == ENOENT)
423        EC_STATUS(AFP_OK);
424    EC_EXIT;
425}
426#endif
427
428/*************************************************************************
429 * EA adouble format
430 ************************************************************************/
431static int validupath_ea(VFS_FUNC_ARGS_VALIDUPATH)
432{
433    if (name[0] != '.')
434        return 1;
435
436#ifndef HAVE_EAFD
437    if (name[1] == '_')
438        return ad_valid_header_osx(name);
439#endif
440    return netatalk_name(name);
441}
442
443/* ----------------- */
444static int RF_chown_ea(VFS_FUNC_ARGS_CHOWN)
445{
446#ifndef HAVE_EAFD
447    return chown(vol->ad_path(path, ADFLAGS_HF ), uid, gid);
448#endif
449    return 0;
450}
451
452/* ---------------- */
453static int RF_renamedir_ea(VFS_FUNC_ARGS_RENAMEDIR)
454{
455    return 0;
456}
457
458/* Returns 1 if the entry is NOT an ._ file */
459static int deletecurdir_ea_osx_chkifempty_loop(const struct vol *vol, struct dirent *de, char *name, void *data _U_, int flag _U_)
460{
461    if (de->d_name[0] != '.' || de->d_name[0] == '_')
462        return 1;
463
464    return 0;
465}
466
467static int deletecurdir_ea_osx_loop(const struct vol *vol, struct dirent *de, char *name, void *data _U_, int flag _U_)
468{
469    int ret;
470    struct stat sb;
471
472    if (strncmp(name, "._", strlen("._")) == 0) {
473        if (lstat(name, &sb) != 0)
474            return -1;
475        if (S_ISREG(sb.st_mode))
476            if ((ret = netatalk_unlink(name)) != 0)
477                return ret;
478    }
479
480    return 0;
481}
482
483/* ---------------- */
484static int RF_deletecurdir_ea(VFS_FUNC_ARGS_DELETECURDIR)
485{
486#ifndef HAVE_EAFD
487    int err;
488    /* delete stray ._AppleDouble files */
489    if ((err = for_each_adouble("deletecurdir_ea_osx", ".",
490                                deletecurdir_ea_osx_loop,
491                                vol, NULL, 0)) != 0)
492        return err;
493
494#endif
495    return 0;
496}
497
498/* ---------------- */
499static int RF_setdirunixmode_ea(VFS_FUNC_ARGS_SETDIRUNIXMODE)
500{
501#ifndef HAVE_EAFD
502#endif
503    return 0;
504}
505
506static int RF_setfilmode_ea(VFS_FUNC_ARGS_SETFILEMODE)
507{
508#ifndef HAVE_EAFD
509    return adouble_setfilmode(vol, vol->ad_path(name, ADFLAGS_HF ), mode, st);
510#endif
511    return 0;
512}
513
514/* ---------------- */
515static int RF_setdirmode_ea(VFS_FUNC_ARGS_SETDIRMODE)
516{
517#ifndef HAVE_EAFD
518#endif
519    return 0;
520}
521
522/* ---------------- */
523static int RF_setdirowner_ea(VFS_FUNC_ARGS_SETDIROWNER)
524{
525#ifndef HAVE_EAFD
526#endif
527	return 0;
528}
529
530static int RF_deletefile_ea(VFS_FUNC_ARGS_DELETEFILE)
531{
532#ifndef HAVE_EAFD
533	return netatalk_unlinkat(dirfd, vol->ad_path(file, ADFLAGS_HF));
534#endif
535    return 0;
536}
537static int RF_copyfile_ea(VFS_FUNC_ARGS_COPYFILE)
538{
539#ifdef HAVE_EAFD
540    /* the EA VFS module does this all for us */
541    return 0;
542#endif
543
544    EC_INIT;
545    bstring s = NULL, d = NULL;
546    char *dup1 = NULL;
547    char *dup2 = NULL;
548    char *dup3 = NULL;
549    char *dup4 = NULL;
550    const char *name = NULL;
551    const char *dir = NULL;
552
553    /* get basename */
554
555    /* build src path to ._ file*/
556    EC_NULL(dup1 = strdup(src));
557    EC_NULL(name = basename(strdup(dup1)));
558
559    EC_NULL(dup2 = strdup(src));
560    EC_NULL(dir = dirname(dup2));
561    EC_NULL(s = bfromcstr(dir));
562    EC_ZERO(bcatcstr(s, "/._"));
563    EC_ZERO(bcatcstr(s, name));
564
565    /* build dst path to ._file*/
566    EC_NULL(dup4 = strdup(dst));
567    EC_NULL(name = basename(strdup(dup4)));
568
569    EC_NULL(dup3 = strdup(dst));
570    EC_NULL(dir = dirname(dup3));
571    EC_NULL(d = bfromcstr(dir));
572    EC_ZERO(bcatcstr(d, "/._"));
573    EC_ZERO(bcatcstr(d, name));
574
575    if (copy_file(sfd, cfrombstr(s), cfrombstr(d), 0666) != 0) {
576        switch (errno) {
577        case ENOENT:
578            break;
579        default:
580            LOG(log_error, logtype_afpd, "[VFS] copyfile(\"%s\" -> \"%s\"): %s",
581                cfrombstr(s), cfrombstr(d), strerror(errno));
582            EC_FAIL;
583
584        }
585    }
586
587EC_CLEANUP:
588    bdestroy(s);
589    bdestroy(d);
590    free(dup1);
591    free(dup2);
592    free(dup3);
593    free(dup4);
594    EC_EXIT;
595}
596
597/* ---------------- */
598static int RF_renamefile_ea(VFS_FUNC_ARGS_RENAMEFILE)
599{
600#ifndef HAVE_EAFD
601    char  adsrc[ MAXPATHLEN + 1];
602    int   err = 0;
603
604    strcpy( adsrc, vol->ad_path(src, 0 ));
605
606    if (unix_rename(dirfd, adsrc, -1, vol->ad_path(dst, 0 )) < 0) {
607        struct stat st;
608
609        err = errno;
610        if (errno == ENOENT && ostatat(dirfd, adsrc, &st, vol_syml_opt(vol))) /* source has no ressource fork, */
611            return 0;
612        errno = err;
613        return -1;
614    }
615    return 0;
616#endif
617    return 0;
618}
619
620/********************************************************************************************
621 * VFS chaining
622 ********************************************************************************************/
623
624/*
625 * Up until we really start stacking many VFS modules on top of one another or use
626 * dynamic module loading like we do for UAMs, up until then we just stack VFS modules
627 * via an fixed size array.
628 * All VFS funcs must return AFP_ERR codes. When a func in the chain returns an error
629 * this error code will be returned to the caller, BUT the chain in followed and all
630 * following funcs are called in order to give them a chance.
631 */
632
633/*
634 * Define most VFS funcs with macros as they all do the same.
635 * Only "ad_path" and "validupath" will NOT do stacking and only
636 * call the func from the first module.
637 */
638
639#define VFS_MFUNC(name, args, vars) \
640    static int vfs_ ## name(args) \
641    { \
642        int i = 0, ret = AFP_OK, err; \
643        while (vol->vfs_modules[i]) { \
644            if (vol->vfs_modules[i]->vfs_ ## name) { \
645                err = vol->vfs_modules[i]->vfs_ ## name (vars); \
646                if ((ret == AFP_OK) && (err != AFP_OK)) \
647                    ret = err; \
648            } \
649            i ++; \
650        } \
651        return ret; \
652    }
653
654VFS_MFUNC(chown, VFS_FUNC_ARGS_CHOWN, VFS_FUNC_VARS_CHOWN)
655VFS_MFUNC(renamedir, VFS_FUNC_ARGS_RENAMEDIR, VFS_FUNC_VARS_RENAMEDIR)
656VFS_MFUNC(deletecurdir, VFS_FUNC_ARGS_DELETECURDIR, VFS_FUNC_VARS_DELETECURDIR)
657VFS_MFUNC(setfilmode, VFS_FUNC_ARGS_SETFILEMODE, VFS_FUNC_VARS_SETFILEMODE)
658VFS_MFUNC(setdirmode, VFS_FUNC_ARGS_SETDIRMODE, VFS_FUNC_VARS_SETDIRMODE)
659VFS_MFUNC(setdirunixmode, VFS_FUNC_ARGS_SETDIRUNIXMODE, VFS_FUNC_VARS_SETDIRUNIXMODE)
660VFS_MFUNC(setdirowner, VFS_FUNC_ARGS_SETDIROWNER, VFS_FUNC_VARS_SETDIROWNER)
661VFS_MFUNC(deletefile, VFS_FUNC_ARGS_DELETEFILE, VFS_FUNC_VARS_DELETEFILE)
662VFS_MFUNC(renamefile, VFS_FUNC_ARGS_RENAMEFILE, VFS_FUNC_VARS_RENAMEFILE)
663VFS_MFUNC(copyfile, VFS_FUNC_ARGS_COPYFILE, VFS_FUNC_VARS_COPYFILE)
664#ifdef HAVE_ACLS
665VFS_MFUNC(acl, VFS_FUNC_ARGS_ACL, VFS_FUNC_VARS_ACL)
666VFS_MFUNC(remove_acl, VFS_FUNC_ARGS_REMOVE_ACL, VFS_FUNC_VARS_REMOVE_ACL)
667#endif
668VFS_MFUNC(ea_getsize, VFS_FUNC_ARGS_EA_GETSIZE, VFS_FUNC_VARS_EA_GETSIZE)
669VFS_MFUNC(ea_getcontent, VFS_FUNC_ARGS_EA_GETCONTENT, VFS_FUNC_VARS_EA_GETCONTENT)
670VFS_MFUNC(ea_list, VFS_FUNC_ARGS_EA_LIST, VFS_FUNC_VARS_EA_LIST)
671VFS_MFUNC(ea_set, VFS_FUNC_ARGS_EA_SET, VFS_FUNC_VARS_EA_SET)
672VFS_MFUNC(ea_remove, VFS_FUNC_ARGS_EA_REMOVE, VFS_FUNC_VARS_EA_REMOVE)
673
674static int vfs_validupath(VFS_FUNC_ARGS_VALIDUPATH)
675{
676    return vol->vfs_modules[0]->vfs_validupath(VFS_FUNC_VARS_VALIDUPATH);
677}
678
679/*
680 * These function pointers get called from the lib users via vol->vfs->func.
681 * These funcs are defined via the macros above.
682 */
683static struct vfs_ops vfs_master_funcs = {
684    vfs_validupath,
685    vfs_chown,
686    vfs_renamedir,
687    vfs_deletecurdir,
688    vfs_setfilmode,
689    vfs_setdirmode,
690    vfs_setdirunixmode,
691    vfs_setdirowner,
692    vfs_deletefile,
693    vfs_renamefile,
694    vfs_copyfile,
695#ifdef HAVE_ACLS
696    vfs_acl,
697    vfs_remove_acl,
698#endif
699    vfs_ea_getsize,
700    vfs_ea_getcontent,
701    vfs_ea_list,
702    vfs_ea_set,
703    vfs_ea_remove
704};
705
706/*
707 * Primary adouble modules: v2, ea
708 */
709
710static struct vfs_ops netatalk_adouble_v2 = {
711    /* vfs_validupath:    */ validupath_adouble,
712    /* vfs_chown:         */ RF_chown_adouble,
713    /* vfs_renamedir:     */ RF_renamedir_adouble,
714    /* vfs_deletecurdir:  */ RF_deletecurdir_adouble,
715    /* vfs_setfilmode:    */ RF_setfilmode_adouble,
716    /* vfs_setdirmode:    */ RF_setdirmode_adouble,
717    /* vfs_setdirunixmode:*/ RF_setdirunixmode_adouble,
718    /* vfs_setdirowner:   */ RF_setdirowner_adouble,
719    /* vfs_deletefile:    */ RF_deletefile_adouble,
720    /* vfs_renamefile:    */ RF_renamefile_adouble,
721    /* vfs_copyfile:      */ RF_copyfile_adouble,
722    NULL
723};
724
725static struct vfs_ops netatalk_adouble_ea = {
726    /* vfs_validupath:    */ validupath_ea,
727    /* vfs_chown:         */ RF_chown_ea,
728    /* vfs_renamedir:     */ RF_renamedir_ea,
729    /* vfs_deletecurdir:  */ RF_deletecurdir_ea,
730    /* vfs_setfilmode:    */ RF_setfilmode_ea,
731    /* vfs_setdirmode:    */ RF_setdirmode_ea,
732    /* vfs_setdirunixmode:*/ RF_setdirunixmode_ea,
733    /* vfs_setdirowner:   */ RF_setdirowner_ea,
734    /* vfs_deletefile:    */ RF_deletefile_ea,
735    /* vfs_renamefile:    */ RF_renamefile_ea,
736    /* vfs_copyfile:      */ RF_copyfile_ea,
737    NULL
738};
739
740/*
741 * Secondary vfs modules for Extended Attributes
742 */
743
744static struct vfs_ops netatalk_ea_adouble = {
745    /* vfs_validupath:    */ NULL,
746    /* vfs_chown:         */ ea_chown,
747    /* vfs_renamedir:     */ NULL, /* ok */
748    /* vfs_deletecurdir:  */ NULL, /* ok */
749    /* vfs_setfilmode:    */ ea_chmod_file,
750    /* vfs_setdirmode:    */ NULL, /* ok */
751    /* vfs_setdirunixmode:*/ ea_chmod_dir,
752    /* vfs_setdirowner:   */ NULL, /* ok */
753    /* vfs_deletefile:    */ ea_deletefile,
754    /* vfs_renamefile:    */ ea_renamefile,
755    /* vfs_copyfile       */ ea_copyfile,
756#ifdef HAVE_ACLS
757    /* vfs_acl:           */ NULL,
758    /* vfs_remove_acl     */ NULL,
759#endif
760    /* vfs_getsize        */ get_easize,
761    /* vfs_getcontent     */ get_eacontent,
762    /* vfs_list           */ list_eas,
763    /* vfs_set            */ set_ea,
764    /* vfs_remove         */ remove_ea
765};
766
767static struct vfs_ops netatalk_ea_sys = {
768    /* validupath:        */ NULL,
769    /* rf_chown:          */ NULL,
770    /* rf_renamedir:      */ NULL,
771    /* rf_deletecurdir:   */ NULL,
772    /* rf_setfilmode:     */ NULL,
773    /* rf_setdirmode:     */ NULL,
774    /* rf_setdirunixmode: */ NULL,
775    /* rf_setdirowner:    */ NULL,
776    /* rf_deletefile:     */ NULL,
777    /* rf_renamefile:     */ NULL,
778    /* vfs_copyfile:      */ sys_ea_copyfile,
779#ifdef HAVE_ACLS
780    /* rf_acl:            */ NULL,
781    /* rf_remove_acl      */ NULL,
782#endif
783    /* ea_getsize         */ sys_get_easize,
784    /* ea_getcontent      */ sys_get_eacontent,
785    /* ea_list            */ sys_list_eas,
786    /* ea_set             */ sys_set_ea,
787    /* ea_remove          */ sys_remove_ea
788};
789
790/*
791 * Tertiary VFS modules for ACLs
792 */
793
794#ifdef HAVE_SOLARIS_ACLS
795static struct vfs_ops netatalk_solaris_acl_adouble = {
796    /* validupath:        */ NULL,
797    /* rf_chown:          */ NULL,
798    /* rf_renamedir:      */ NULL,
799    /* rf_deletecurdir:   */ NULL,
800    /* rf_setfilmode:     */ NULL,
801    /* rf_setdirmode:     */ NULL,
802    /* rf_setdirunixmode: */ NULL,
803    /* rf_setdirowner:    */ NULL,
804    /* rf_deletefile:     */ NULL,
805    /* rf_renamefile:     */ NULL,
806    /* vfs_copyfile       */ NULL,
807    /* rf_acl:            */ RF_solaris_acl,
808    /* rf_remove_acl      */ RF_solaris_remove_acl,
809    NULL
810};
811#endif
812
813#ifdef HAVE_POSIX_ACLS
814static struct vfs_ops netatalk_posix_acl_adouble = {
815    /* validupath:        */ NULL,
816    /* rf_chown:          */ NULL,
817    /* rf_renamedir:      */ NULL,
818    /* rf_deletecurdir:   */ NULL,
819    /* rf_setfilmode:     */ NULL,
820    /* rf_setdirmode:     */ NULL,
821    /* rf_setdirunixmode: */ NULL,
822    /* rf_setdirowner:    */ NULL,
823    /* rf_deletefile:     */ NULL,
824    /* rf_renamefile:     */ NULL,
825    /* vfs_copyfile       */ NULL,
826    /* rf_acl:            */ RF_posix_acl,
827    /* rf_remove_acl      */ RF_posix_remove_acl,
828    NULL
829};
830#endif
831
832/* ---------------- */
833void initvol_vfs(struct vol *vol)
834{
835    vol->vfs = &vfs_master_funcs;
836
837    /* Default adouble stuff */
838    if (vol->v_adouble == AD_VERSION2) {
839        vol->vfs_modules[0] = &netatalk_adouble_v2;
840        vol->ad_path = ad_path;
841    } else {
842        vol->vfs_modules[0] = &netatalk_adouble_ea;
843#ifdef HAVE_EAFD
844        vol->ad_path = ad_path_ea;
845#else
846        vol->ad_path = ad_path_osx;
847#endif
848    }
849
850    /* Extended Attributes */
851    if (vol->v_vfs_ea == AFPVOL_EA_SYS) {
852        LOG(log_debug, logtype_afpd, "initvol_vfs: enabling EA support with native EAs");
853        vol->vfs_modules[1] = &netatalk_ea_sys;
854    } else if (vol->v_vfs_ea == AFPVOL_EA_AD) {
855        LOG(log_debug, logtype_afpd, "initvol_vfs: enabling EA support with adouble files");
856        vol->vfs_modules[1] = &netatalk_ea_adouble;
857    } else {
858        LOG(log_debug, logtype_afpd, "initvol_vfs: volume without EA support");
859    }
860
861    /* ACLs */
862#ifdef HAVE_SOLARIS_ACLS
863    vol->vfs_modules[2] = &netatalk_solaris_acl_adouble;
864#endif
865#ifdef HAVE_POSIX_ACLS
866    vol->vfs_modules[2] = &netatalk_posix_acl_adouble;
867#endif
868
869}
870