2
* $Id: volume.c,v 1.36.2.7 2003/11/18 21:49:41 bfernhomberg Exp $
4
* Copyright (c) 1990,1993 Regents of The University of Michigan.
5
* All Rights Reserved. See COPYRIGHT.
10
#endif /* HAVE_CONFIG_H */
13
#include <atalk/logger.h>
14
#include <sys/types.h>
16
#include <sys/param.h>
17
#include <sys/socket.h>
18
#include <netinet/in.h>
19
#include <arpa/inet.h>
20
#include <netatalk/endian.h>
21
#include <atalk/asp.h>
22
#include <atalk/dsi.h>
23
#include <atalk/adouble.h>
24
#include <atalk/afp.h>
25
#include <atalk/util.h>
27
#include <atalk/cnid.h>
32
#endif /* HAVE_FCNTL_H */
40
#else /* STDC_HEADERS */
44
#endif /* HAVE_STRCHR */
45
char *strchr (), *strrchr ();
47
#define memcpy(d,s,n) bcopy ((s), (d), (n))
48
#define memmove(d,s,n) bcopy ((s), (d), (n))
49
#endif /* ! HAVE_MEMCPY */
50
#endif /* STDC_HEADERS */
57
#include "directory.h"
64
#define MIN(a, b) ((a) < (b) ? (a) : (b))
67
#ifndef NO_LARGE_VOL_SUPPORT
68
#if BYTE_ORDER == BIG_ENDIAN
71
#else /* BYTE_ORDER == BIG_ENDIAN */
72
#define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
73
(u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
74
#define ntoh64(x) (hton64(x))
75
#endif /* BYTE_ORDER == BIG_ENDIAN */
76
#endif /* ! NO_LARGE_VOL_SUPPORT */
78
static struct vol *volumes = NULL;
79
static int lastvid = 0;
81
static char *Trash = "\02\024Network Trash Folder";
83
static struct extmap *extmap = NULL, *defextmap = NULL;
84
static int extmap_cnt;
86
#define VOLOPT_ALLOW 0 /* user allow list */
87
#define VOLOPT_DENY 1 /* user deny list */
88
#define VOLOPT_RWLIST 2 /* user rw list */
89
#define VOLOPT_ROLIST 3 /* user ro list */
90
#define VOLOPT_CODEPAGE 4 /* codepage */
91
#define VOLOPT_PASSWORD 5 /* volume password */
92
#define VOLOPT_CASEFOLD 6 /* character case mangling */
93
#define VOLOPT_FLAGS 7 /* various flags */
94
#define VOLOPT_DBPATH 8 /* path to database */
95
#define VOLOPT_MAPCHARS 9 /* does mtou and utom mappings. syntax:
96
m and u can be double-byte hex
101
!u -> make u illegal always
102
~u -> make u illegal only as the first
103
part of a double-byte character.
105
#define VOLOPT_VETO 10 /* list of veto filespec */
111
#define VOLOPT_FORCEUID 11 /* force uid for username x */
112
#define VOLOPT_FORCEGID 12 /* force gid for group x */
113
#define VOLOPT_UMASK 13
114
#define VOLOPT_MAX 13
115
#else /* normally, there are only 9 possible options */
116
#define VOLOPT_UMASK 11
117
#define VOLOPT_MAX 11
118
#endif /* FORCE_UIDGID */
120
#define VOLOPT_NUM (VOLOPT_MAX + 1)
123
#define VOLOPT_DEFAULT ":DEFAULT:"
124
#define VOLOPT_DEFAULT_LEN 9
130
static __inline__ void volfree(struct vol_option *options,
131
const struct vol_option *save)
136
for (i = 0; i < VOLOPT_MAX; i++) {
137
if (options[i].c_value && (options[i].c_value != save[i].c_value))
138
free(options[i].c_value);
141
for (i = 0; i < VOLOPT_MAX; i++) {
142
if (options[i].c_value)
143
free(options[i].c_value);
149
/* handle variable substitutions. here's what we understand:
150
* $c -> client ip/appletalk address
151
* $f -> full name (whatever's in the gecos field)
154
* $s -> server name (hostname if it doesn't exist)
155
* $u -> username (guest is usually nobody)
156
* $v -> volume name (ADEID_NAME or basename)
157
* $z -> zone (may not exist)
160
#define is_var(a, b) (strncmp((a), (b), 2) == 0)
161
static void volxlate(AFPObj *obj, char *dest, int destlen,
162
char *src, struct passwd *pwd, char *path)
167
strncpy(dest, src, destlen);
168
if ((p = strchr(src, '$')) == NULL) /* nothing to do */
171
/* first part of the path. just forward to the next variable. */
172
len = MIN(p - src, destlen);
178
while (p && destlen > 0) {
179
/* now figure out what the variable is */
181
if (is_var(p, "$c")) {
182
if (obj->proto == AFPPROTO_ASP) {
183
ASP asp = obj->handle;
185
len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
186
asp->asp_sat.sat_addr.s_node);
190
} else if (obj->proto == AFPPROTO_DSI) {
191
DSI *dsi = obj->handle;
193
len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
194
ntohs(dsi->client.sin_port));
198
} else if (is_var(p, "$f")) {
199
if ((q = strchr(pwd->pw_gecos, ',')))
202
} else if (is_var(p, "$g")) {
203
struct group *grp = getgrgid(pwd->pw_gid);
206
} else if (is_var(p, "$h")) {
207
q = obj->options.hostname;
208
} else if (is_var(p, "$s")) {
211
else if (obj->options.server) {
212
q = obj->options.server;
214
q = obj->options.hostname;
215
} else if (is_var(p, "$u")) {
217
} else if (is_var(p, "$v")) {
221
memset(&ad, 0, sizeof(ad));
222
if (ad_open(path, ADFLAGS_HF, O_RDONLY, 0, &ad) < 0)
225
if ((len = MIN(ad_getentrylen(&ad, ADEID_NAME), destlen)) > 0) {
226
memcpy(dest, ad_entry(&ad, ADEID_NAME), len);
227
ad_close(&ad, ADFLAGS_HF);
231
ad_close(&ad, ADFLAGS_HF);
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no_volname: /* simple basename */
233
if ((q = strrchr(path, '/')) == NULL)
235
else if (*(q + 1) != '\0')
239
} else if (is_var(p, "$z")) {
241
} else if (is_var(p, "$$")) {
246
/* copy the stuff over. if we don't understand something that we
247
* should, just skip it over. */
249
len = MIN(p == q ? 2 : strlen(q), destlen);
250
strncpy(dest, q, len);
255
/* stuff up to next $ */
257
p = strchr(src, '$');
258
len = p ? MIN(p - src, destlen) : destlen;
260
strncpy(dest, src, len);
267
/* to make sure that val is valid, make sure to select an opt that
269
#define optionok(buf,opt,val) (strstr((buf),(opt)) && ((val)[1] != '\0'))
271
static __inline__ char *get_codepage_path(const char *path, const char *name)
277
page = (char *) malloc((len = strlen(path)) + strlen(name) + 2);
280
if (path[len - 1] != '/') /* add a / */
288
/* debug: show which codepage directory we are using */
289
LOG(log_debug, logtype_afpd, "using codepage directory: %s", page);
294
/* handle all the options. tmp can't be NULL. */
295
static void volset(struct vol_option *options, char *volname, int vlen,
296
const char *nlspath, const char *tmp, AFPObj *obj,
301
LOG(log_debug, logtype_afpd, "Parsing volset %s", tmp);
303
val = strchr(tmp, ':');
305
/* we'll assume it's a volume name. */
306
strncpy(volname, tmp, vlen);
308
} else if (optionok(tmp, "allow:", val)) {
309
if (options[VOLOPT_ALLOW].c_value)
310
free(options[VOLOPT_ALLOW].c_value);
311
options[VOLOPT_ALLOW].c_value = strdup(val + 1);
313
} else if (optionok(tmp, "deny:", val)) {
314
if (options[VOLOPT_DENY].c_value)
315
free(options[VOLOPT_DENY].c_value);
316
options[VOLOPT_DENY].c_value = strdup(val + 1);
318
} else if (optionok(tmp, "rwlist:", val)) {
319
if (options[VOLOPT_RWLIST].c_value)
320
free(options[VOLOPT_RWLIST].c_value);
321
options[VOLOPT_RWLIST].c_value = strdup(val + 1);
323
} else if (optionok(tmp, "rolist:", val)) {
324
if (options[VOLOPT_ROLIST].c_value)
325
free(options[VOLOPT_ROLIST].c_value);
326
options[VOLOPT_ROLIST].c_value = strdup(val + 1);
328
} else if (optionok(tmp, "codepage:", val)) {
329
if (options[VOLOPT_CODEPAGE].c_value)
330
free(options[VOLOPT_CODEPAGE].c_value);
331
options[VOLOPT_CODEPAGE].c_value = get_codepage_path(nlspath, val + 1);
333
} else if (optionok(tmp, "veto:", val)) {
334
if (options[VOLOPT_VETO].c_value)
335
free(options[VOLOPT_VETO].c_value);
336
options[VOLOPT_VETO].c_value = strdup(val + 1);
338
} else if (optionok(tmp, "casefold:", val)) {
339
if (strcasecmp(val + 1, "tolower") == 0)
340
options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
341
else if (strcasecmp(val + 1, "toupper") == 0)
342
options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
343
else if (strcasecmp(val + 1, "xlatelower") == 0)
344
options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
345
else if (strcasecmp(val + 1, "xlateupper") == 0)
346
options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
348
} else if (optionok(tmp, "options:", val)) {
351
if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
355
if (strcasecmp(p, "prodos") == 0)
356
options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
357
else if (strcasecmp(p, "mswindows") == 0) {
358
options[VOLOPT_FLAGS].i_value |= (AFPVOL_MSWINDOWS | AFPVOL_USEDOTS);
359
if (!options[VOLOPT_CODEPAGE].c_value)
360
options[VOLOPT_CODEPAGE].c_value =
361
get_codepage_path(nlspath, MSWINDOWS_CODEPAGE);
363
} else if (strcasecmp(p, "crlf") == 0)
364
options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
365
else if (strcasecmp(p, "noadouble") == 0)
366
options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
367
else if (strcasecmp(p, "ro") == 0)
368
options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
369
else if (strcasecmp(p, "nohex") == 0)
370
options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
371
else if (strcasecmp(p, "usedots") == 0)
372
options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
373
else if (strcasecmp(p, "limitsize") == 0)
374
options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
375
/* support for either "dropbox" or "dropkludge" */
376
else if (strcasecmp(p, "dropbox") == 0)
377
options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
378
else if (strcasecmp(p, "dropkludge") == 0)
379
options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
380
else if (strcasecmp(p, "nofileid") == 0)
381
options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
383
p = strtok(NULL, ",");
387
} else if (optionok(tmp, "dbpath:", val)) {
388
char t[MAXPATHLEN + 1];
389
if (options[VOLOPT_DBPATH].c_value)
390
free(options[VOLOPT_DBPATH].c_value);
392
volxlate(obj, t, MAXPATHLEN, val, pwd, NULL);
393
options[VOLOPT_DBPATH].c_value = strdup(t + 1);
395
} else if (optionok(tmp, "umask:", val)) {
396
options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
397
} else if (optionok(tmp, "mapchars:",val)) {
398
if (options[VOLOPT_MAPCHARS].c_value)
399
free(options[VOLOPT_MAPCHARS].c_value);
400
options[VOLOPT_MAPCHARS].c_value = strdup(val + 1);
402
} else if (optionok(tmp, "password:", val)) {
403
if (options[VOLOPT_PASSWORD].c_value)
404
free(options[VOLOPT_PASSWORD].c_value);
405
options[VOLOPT_PASSWORD].c_value = strdup(val + 1);
409
/* this code allows forced uid/gid per volume settings */
410
} else if (optionok(tmp, "forceuid:", val)) {
411
if (options[VOLOPT_FORCEUID].c_value)
412
free(options[VOLOPT_FORCEUID].c_value);
413
options[VOLOPT_FORCEUID].c_value = strdup(val + 1);
414
} else if (optionok(tmp, "forcegid:", val)) {
415
if (options[VOLOPT_FORCEGID].c_value)
416
free(options[VOLOPT_FORCEGID].c_value);
417
options[VOLOPT_FORCEGID].c_value = strdup(val + 1);
419
#endif /* FORCE_UIDGID */
422
/* ignore unknown options */
423
LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
428
static int creatvol(const char *path, char *name, struct vol_option *options)
433
if ( name == NULL || *name == '\0' ) {
434
if ((name = strrchr( path, '/' )) == NULL) {
435
return -1; /* Obviously not a fully qualified path */
438
/* if you wish to share /, you need to specify a name. */
443
for ( volume = volumes; volume; volume = volume->v_next ) {
444
if ( strcasecmp( volume->v_name, name ) == 0 ) {
445
return -1; /* Won't be able to access it, anyway... */
449
vlen = strlen( name );
450
if ( vlen > AFPVOL_NAMELEN ) {
451
vlen = AFPVOL_NAMELEN;
452
name[AFPVOL_NAMELEN] = '\0';
456
(struct vol *)calloc(1, sizeof( struct vol ))) == NULL ) {
457
LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
460
if (( volume->v_name =
461
(char *)malloc( vlen + 1 )) == NULL ) {
462
LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
466
if (( volume->v_path =
467
(char *)malloc( strlen( path ) + 1 )) == NULL ) {
468
LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
469
free(volume->v_name);
474
strcpy( volume->v_name, name);
475
strcpy( volume->v_path, path );
479
#endif /* __svr4__ */
480
volume->v_vid = lastvid++;
481
volume->v_lastdid = 17;
485
/* should we casefold? */
486
volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
488
/* shift in some flags */
489
volume->v_flags = options[VOLOPT_FLAGS].i_value;
491
/* read in the code pages */
492
if (options[VOLOPT_CODEPAGE].c_value)
493
codepage_read(volume, options[VOLOPT_CODEPAGE].c_value);
495
if (options[VOLOPT_PASSWORD].c_value)
496
volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
498
if (options[VOLOPT_VETO].c_value)
499
volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
502
if (options[VOLOPT_DBPATH].c_value)
503
volume->v_dbpath = strdup(options[VOLOPT_DBPATH].c_value);
506
if (options[VOLOPT_UMASK].i_value)
507
volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
511
if (options[VOLOPT_FORCEUID].c_value) {
512
volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
514
volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
517
if (options[VOLOPT_FORCEGID].c_value) {
518
volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
520
volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
523
#endif /* FORCE_UIDGID */
527
volume->v_next = volumes;
532
static char *myfgets( buf, size, fp )
541
while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
542
if ( c == '\n' || c == '\r' ) {
560
/* check access list. this function wants something of the following
562
* @group,name,name2,@group2,name3
564
* a NULL argument allows everybody to have access.
565
* we return three things:
567
* 0: list exists, but name isn't in it
570
static int accessvol(args, name)
574
char buf[MAXPATHLEN + 1], *p;
580
strncpy(buf, args, sizeof(buf));
581
if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
585
if (*p == '@') { /* it's a group */
586
if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
588
} else if (strcmp(p, name) == 0) /* it's a user name */
590
p = strtok(NULL, ",");
596
static void setextmap( ext, type, creator, user)
597
char *ext, *type, *creator;
603
if (extmap == NULL) {
604
if (( extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
605
LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
610
for ( em = extmap, cnt = 0; em->em_ext; em++, cnt++) {
611
if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
616
if ( em->em_ext == NULL ) {
617
if (!(extmap = realloc( extmap, sizeof( struct extmap ) * (cnt +2))) ) {
618
LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
621
(extmap +cnt +1)->em_ext = NULL;
623
} else if ( !user ) {
629
if (!(em->em_ext = strdup( ext))) {
630
LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
634
if ( *type == '\0' ) {
635
memcpy(em->em_type, "????", sizeof( em->em_type ));
637
memcpy(em->em_type, type, sizeof( em->em_type ));
639
if ( *creator == '\0' ) {
640
memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
642
memcpy(em->em_creator, creator, sizeof( em->em_creator ));
646
/* -------------------------- */
647
static int extmap_cmp(const void *map1, const void *map2)
649
const struct extmap *em1 = map1;
650
const struct extmap *em2 = map2;
651
return strdiacasecmp(em1->em_ext, em2->em_ext);
654
static void sortextmap( void)
659
if ((em = extmap) == NULL) {
667
qsort(extmap, extmap_cnt, sizeof(struct extmap), extmap_cmp);
674
* Read a volume configuration file and add the volumes contained within to
675
* the global volume list. If p2 is non-NULL, the file that is opened is
678
* Lines that begin with # and blank lines are ignored.
679
* Volume lines are of the form:
680
* <unix path> [<volume name>] [allow:<user>,<@group>,...] \
681
* [codepage:<file>] [casefold:<num>]
682
* <extension> TYPE [CREATOR]
684
static int readvolfile(obj, p1, p2, user, pwent)
688
struct passwd *pwent;
691
char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
692
volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
693
type[ 5 ], creator[ 5 ];
696
struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
708
if (NULL == ( fp = fopen( path, "r" )) ) {
712
memset(save_options, 0, sizeof(save_options));
713
while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
714
initline( strlen( buf ), buf );
715
parseline( sizeof( path ) - 1, path );
722
/* change the default options for this file */
723
if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
725
for (i = 0; i < VOLOPT_NUM; i++) {
726
if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
727
path + VOLOPT_DEFAULT_LEN) < 0)
729
volset(save_options, tmp, sizeof(tmp) - 1,
730
obj->options.nlspath, path + VOLOPT_DEFAULT_LEN,
737
if (( p = strchr( path, '/' )) != NULL ) {
745
if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
748
strcpy( tmp, pw->pw_dir );
749
if ( p != NULL && *p != '\0' ) {
753
/* Tag a user's home directory with their umask. Note, this will
754
* be overwritten if the user actually specifies a umask: option
755
* for a '~' volume. */
756
save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
760
/* send path through variable substitution */
761
if (*path != '~') /* need to copy path to tmp */
764
pwent = getpwnam(obj->username);
765
volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL);
767
/* this is sort of braindead. basically, i want to be
768
* able to specify things in any order, but i don't want to
769
* re-write everything.
771
* currently we have 11 options:
779
* options:prodos,crlf,noadouble,ro
782
* namemask:x,y,!z (not implemented yet)
784
memcpy(options, save_options, sizeof(options));
787
/* read in up to 11 possible options */
788
for (i = 0; i < VOLOPT_NUM; i++) {
789
if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
792
volset(options, volname, sizeof(volname) - 1,
793
obj->options.nlspath, tmp, obj, pwent);
796
/* check allow/deny lists:
797
allow -> either no list (-1), or in list (1)
798
deny -> either no list (-1), or not in list (0) */
799
if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
800
(accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
802
/* handle read-only behaviour. semantics:
803
* 1) neither the rolist nor the rwlist exist -> rw
804
* 2) rolist exists -> ro if user is in it.
805
* 3) rwlist exists -> ro unless user is in it. */
806
if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
807
((accessvol(options[VOLOPT_ROLIST].c_value,
808
obj->username) == 1) ||
809
!accessvol(options[VOLOPT_RWLIST].c_value,
811
options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
813
/* do variable substitution */
814
volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path);
815
creatvol(path, tmp, options);
817
volfree(options, save_options);
821
parseline( sizeof( type ) - 1, type );
822
parseline( sizeof( creator ) - 1, creator );
823
setextmap( path, type, creator, user);
830
volfree(save_options, NULL);
832
if ( fclose( fp ) != 0 ) {
833
LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
839
static void load_volumes(AFPObj *obj)
841
struct passwd *pwent = getpwnam(obj->username);
843
if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
844
readvolfile(obj, obj->options.systemvol, NULL, 0, pwent);
847
if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
848
readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent);
851
* Read user's AppleVolumes or .AppleVolumes file
852
* If neither are readable, read the default volumes file. if
853
* that doesn't work, create a user share.
855
if ( readvolfile(obj, pwent->pw_dir, "AppleVolumes", 1, pwent) < 0 &&
856
readvolfile(obj, pwent->pw_dir, ".AppleVolumes", 1, pwent) < 0 &&
857
readvolfile(obj, pwent->pw_dir, "applevolumes", 1, pwent) < 0 &&
858
readvolfile(obj, pwent->pw_dir, ".applevolumes", 1, pwent) < 0 &&
859
obj->options.defaultvol != NULL ) {
860
if (readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent) < 0)
861
creatvol(pwent->pw_dir, NULL, NULL);
864
if ( obj->options.flags & OPTION_USERVOLFIRST ) {
865
readvolfile(obj, obj->options.systemvol, NULL, 0, pwent );
869
static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
871
u_int32_t *bfree, *btotal, *bsize;
872
VolSpace *xbfree, *xbtotal;
876
#ifndef NO_QUOTA_SUPPORT
877
VolSpace qfree, qtotal;
878
#endif /* ! NO_QUOTA_SUPPORT */
880
spaceflag = AFPVOL_GVSMASK & vol->v_flags;
881
/* report up to 2GB if afp version is < 2.2 (4GB if not) */
882
maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
883
(((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
884
? 0x7fffffffL : 0xffffffffL);
887
if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
888
if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
889
vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
890
goto getvolspace_done;
895
if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
896
bsize)) != AFP_OK ) {
900
#define min(a,b) ((a)<(b)?(a):(b))
901
#ifndef NO_QUOTA_SUPPORT
902
if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
903
if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
904
vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
905
*xbfree = min(*xbfree, qfree);
906
*xbtotal = min( *xbtotal, qtotal);
907
goto getvolspace_done;
910
#endif /* ! NO_QUOTA_SUPPORT */
911
vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
914
*bfree = min( *xbfree, maxsize);
915
*btotal = min( *xbtotal, maxsize);
919
static int getvolparams( bitmap, vol, st, buf, buflen )
927
int bit = 0, isad = 1;
930
u_int32_t bfree, btotal, bsize;
931
VolSpace xbfree, xbtotal; /* extended bytes */
932
char *data, *nameoff = NULL;
935
/* courtesy of jallison@whistle.com:
936
* For MacOS8.x support we need to create the
937
* .Parent file here if it doesn't exist. */
939
memset(&ad, 0, sizeof(ad));
940
if ( ad_open( vol->v_path, vol_noadouble(vol) |
941
ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
945
} else if (ad_getoflags( &ad, ADFLAGS_HF ) & O_CREAT) {
946
slash = strrchr( vol->v_path, '/' );
952
ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
953
memcpy(ad_entry( &ad, ADEID_NAME ), slash,
954
ad_getentrylen( &ad, ADEID_NAME ));
955
ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st->st_mtime);
956
ad_flush(&ad, ADFLAGS_HF);
959
if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
960
(1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
961
(1<<VOLPBIT_BSIZE)) ) != 0 ) {
962
if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
965
ad_close( &ad, ADFLAGS_HF );
967
return( AFPERR_PARAM );
972
while ( bitmap != 0 ) {
973
while (( bitmap & 1 ) == 0 ) {
982
if (0 == (vol->v_flags & AFPVOL_NOFILEID)) {
983
ashort = VOLPBIT_ATTR_FILEID;
986
/* check for read-only.
987
* NOTE: we don't actually set the read-only flag unless
988
* it's passed in that way as it's possible to mount
989
* a read-write filesystem under a read-only one. */
990
if ((vol->v_flags & AFPVOL_RO) ||
991
((utime(vol->v_path, NULL) < 0) && (errno == EROFS)))
992
ashort |= VOLPBIT_ATTR_RO;
993
ashort |= VOLPBIT_ATTR_CATSEARCH;
994
ashort = htons(ashort);
995
memcpy(data, &ashort, sizeof( ashort ));
996
data += sizeof( ashort );
1000
ashort = htons( AFPVOLSIG_DEFAULT );
1001
memcpy(data, &ashort, sizeof( ashort ));
1002
data += sizeof( ashort );
1005
case VOLPBIT_CDATE :
1006
if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1007
aint = AD_DATE_FROM_UNIX(st->st_mtime);
1008
memcpy(data, &aint, sizeof( aint ));
1009
data += sizeof( aint );
1012
case VOLPBIT_MDATE :
1013
if ( st->st_mtime > vol->v_time ) {
1014
vol->v_time = st->st_mtime;
1015
aint = AD_DATE_FROM_UNIX(st->st_mtime);
1017
aint = AD_DATE_FROM_UNIX(vol->v_time);
1019
memcpy(data, &aint, sizeof( aint ));
1020
data += sizeof( aint );
1023
case VOLPBIT_BDATE :
1024
if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1025
aint = AD_DATE_START;
1026
memcpy(data, &aint, sizeof( aint ));
1027
data += sizeof( aint );
1031
memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1032
data += sizeof( vol->v_vid );
1035
case VOLPBIT_BFREE :
1036
bfree = htonl( bfree );
1037
memcpy(data, &bfree, sizeof( bfree ));
1038
data += sizeof( bfree );
1041
case VOLPBIT_BTOTAL :
1042
btotal = htonl( btotal );
1043
memcpy(data, &btotal, sizeof( btotal ));
1044
data += sizeof( btotal );
1047
#ifndef NO_LARGE_VOL_SUPPORT
1048
case VOLPBIT_XBFREE :
1049
xbfree = hton64( xbfree );
1050
#if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1051
bcopy(&xbfree, data, sizeof(xbfree));
1052
#else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1053
memcpy(data, &xbfree, sizeof( xbfree ));
1054
#endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1055
data += sizeof( xbfree );
1058
case VOLPBIT_XBTOTAL :
1059
xbtotal = hton64( xbtotal );
1060
#if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1061
bcopy(&xbtotal, data, sizeof(xbtotal));
1062
#else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1063
memcpy(data, &xbtotal, sizeof( xbtotal ));
1064
#endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1065
data += sizeof( xbfree );
1067
#endif /* ! NO_LARGE_VOL_SUPPORT */
1071
data += sizeof( u_int16_t );
1074
case VOLPBIT_BSIZE: /* block size */
1075
bsize = htonl(bsize);
1076
memcpy(data, &bsize, sizeof(bsize));
1077
data += sizeof(bsize);
1082
ad_close( &ad, ADFLAGS_HF );
1084
return( AFPERR_BITMAP );
1090
ashort = htons( data - buf );
1091
memcpy(nameoff, &ashort, sizeof( ashort ));
1092
aint = strlen( vol->v_name );
1094
memcpy(data, vol->v_name, aint );
1098
ad_close( &ad, ADFLAGS_HF );
1100
*buflen = data - buf;
1106
int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1109
int ibuflen, *rbuflen;
1122
for ( vcnt = 0, volume = volumes; volume; volume = volume->v_next ) {
1123
if ( stat( volume->v_path, &st ) < 0 ) {
1124
LOG(log_info, logtype_afpd, "afp_getsrvrparms: stat %s: %s",
1125
volume->v_path, strerror(errno) );
1126
continue; /* can't access directory */
1128
if (!S_ISDIR(st.st_mode)) {
1129
continue; /* not a dir */
1132
/* set password bit if there's a volume password */
1133
*data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1135
/* Apple 2 clients running ProDOS-8 expect one volume to have
1136
bit 0 of this byte set. They will not recognize anything
1137
on the server unless this is the case. I have not
1138
completely worked this out, but it's related to booting
1139
from the server. Support for that function is a ways
1140
off.. <shirsch@ibm.net> */
1141
*data++ |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1142
len = strlen( volume->v_name );
1144
memcpy(data, volume->v_name, len );
1149
*rbuflen = data - rbuf;
1151
if ( gettimeofday( &tv, 0 ) < 0 ) {
1152
LOG(log_error, logtype_afpd, "afp_getsrvrparms: gettimeofday: %s", strerror(errno) );
1154
return AFPERR_PARAM;
1156
tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1157
memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1158
data += sizeof( u_int32_t);
1163
int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1166
int ibuflen, *rbuflen;
1172
#endif /* CNID_DB */
1175
int len, ret, buflen;
1179
memcpy(&bitmap, ibuf, sizeof( bitmap ));
1180
bitmap = ntohs( bitmap );
1181
ibuf += sizeof( bitmap );
1182
if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1183
ret = AFPERR_BITMAP;
1187
len = (unsigned char)*ibuf++;
1188
volname = obj->oldtmp;
1189
memcpy(volname, ibuf, len );
1190
*(volname + len) = '\0';
1192
if ((len + 1) & 1) /* pad to an even boundary */
1198
for ( volume = volumes; volume; volume = volume->v_next ) {
1199
if ( strcasecmp( volname, volume->v_name ) == 0 ) {
1204
if ( volume == NULL ) {
1209
/* check for a volume password */
1210
if (volume->v_password &&
1211
strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1212
ret = AFPERR_ACCESS;
1216
if (( volume->v_flags & AFPVOL_OPEN ) == 0 ) {
1217
if ((dir = dirnew(strlen(volume->v_name) + 1)) == NULL) {
1218
LOG(log_error, logtype_afpd, "afp_openvol: malloc: %s", strerror(errno) );
1222
dir->d_did = DIRDID_ROOT;
1223
dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1224
strcpy( dir->d_name, volume->v_name );
1225
volume->v_dir = volume->v_root = dir;
1226
volume->v_flags |= AFPVOL_OPEN;
1229
set_uidgid ( volume );
1230
#endif /* FORCE_UIDGID */
1232
if ( stat( volume->v_path, &st ) < 0 ) {
1237
buflen = *rbuflen - sizeof( bitmap );
1238
if (( ret = getvolparams( bitmap, volume, &st,
1239
rbuf + sizeof(bitmap), &buflen )) != AFP_OK ) {
1242
*rbuflen = buflen + sizeof( bitmap );
1243
bitmap = htons( bitmap );
1244
memcpy(rbuf, &bitmap, sizeof( bitmap ));
1246
if ( chdir( volume->v_path ) < 0 ) {
1250
curdir = volume->v_dir;
1253
if (volume->v_dbpath)
1254
volume->v_db = cnid_open (volume->v_dbpath, volume->v_umask);
1255
if (volume->v_db == NULL)
1256
volume->v_db = cnid_open (volume->v_path, volume->v_umask);
1257
#endif /* CNID_DB */
1261
* If you mount a volume twice, the second time the trash appears on
1262
* the desk-top. That's because the Mac remembers the DID for the
1263
* trash (even for volumes in different zones, on different servers).
1264
* Just so this works better, we prime the DID cache with the trash,
1265
* fixing the trash at DID 17.
1268
cname( volume, volume->v_dir, &p );
1269
#endif /* CNID_DB */
1278
int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1281
int ibuflen, *rbuflen;
1283
struct vol *vol, *ovol;
1288
memcpy(&vid, ibuf, sizeof( vid ));
1289
if (NULL == ( vol = getvolbyvid( vid )) ) {
1290
return( AFPERR_PARAM );
1293
vol->v_flags &= ~AFPVOL_OPEN;
1294
for ( ovol = volumes; ovol; ovol = ovol->v_next ) {
1295
if ( ovol->v_flags & AFPVOL_OPEN ) {
1299
if ( ovol != NULL ) {
1300
/* Even if chdir fails, we can't say afp_closevol fails. */
1301
if ( chdir( ovol->v_path ) == 0 ) {
1302
curdir = ovol->v_dir;
1305
dirfree( vol->v_root );
1308
cnid_close(vol->v_db);
1310
#endif /* CNID_DB */
1314
struct vol *getvolbyvid(const u_int16_t vid )
1318
for ( vol = volumes; vol; vol = vol->v_next ) {
1319
if ( vid == vol->v_vid ) {
1323
if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1329
#endif /* FORCE_UIDGID */
1334
/* ------------------------ */
1335
static int ext_cmp_key(const void *key, const void *obj)
1337
const char *p = key;
1338
const struct extmap *em = obj;
1339
return strdiacasecmp(p, em->em_ext);
1341
struct extmap *getextmap(const char *path)
1346
if (NULL == ( p = strrchr( path, '.' )) ) {
1347
return( defextmap );
1350
if (!*p || !extmap_cnt) {
1351
return( defextmap );
1353
em = bsearch(p, extmap, extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1357
return( defextmap );
1361
struct extmap *getdefextmap(void)
1363
return( defextmap );
1367
poll if a volume is changed by other processes.
1369
int pollvoltime(obj)
1376
if (!(afp_version > 21 && obj->options.server_notif))
1379
if ( gettimeofday( &tv, 0 ) < 0 )
1382
for ( vol = volumes; vol; vol = vol->v_next ) {
1383
if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_time + 30 < tv.tv_sec) {
1384
if ( !stat( vol->v_path, &st ) && vol->v_time != st.st_mtime ) {
1385
vol->v_time = st.st_mtime;
1386
obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1394
void setvoltime(obj, vol )
1400
/* just looking at vol->v_time is broken seriously since updates
1401
* from other users afpd processes never are seen.
1402
* This is not the most elegant solution (a shared memory between
1403
* the afpd processes would come closer)
1406
if ( gettimeofday( &tv, 0 ) < 0 ) {
1407
LOG(log_error, logtype_afpd, "setvoltime: gettimeofday: %s", strerror(errno) );
1410
if( utime( vol->v_path, NULL ) < 0 ) {
1411
/* write of time failed ... probably a read only filesys,
1412
* where no other users can interfere, so there's no issue here
1416
/* a little granularity */
1417
if (vol->v_time < tv.tv_sec) {
1418
vol->v_time = tv.tv_sec;
1419
if (afp_version > 21 && obj->options.server_notif) {
1420
obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1425
int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1428
int ibuflen, *rbuflen;
1433
u_int16_t vid, bitmap;
1436
memcpy(&vid, ibuf, sizeof( vid ));
1437
ibuf += sizeof( vid );
1438
memcpy(&bitmap, ibuf, sizeof( bitmap ));
1439
bitmap = ntohs( bitmap );
1441
if (NULL == ( vol = getvolbyvid( vid )) ) {
1443
return( AFPERR_PARAM );
1446
if ( stat( vol->v_path, &st ) < 0 ) {
1448
return( AFPERR_PARAM );
1451
buflen = *rbuflen - sizeof( bitmap );
1452
if (( ret = getvolparams( bitmap, vol, &st,
1453
rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1457
*rbuflen = buflen + sizeof( bitmap );
1458
bitmap = htons( bitmap );
1459
memcpy(rbuf, &bitmap, sizeof( bitmap ));
1463
int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1466
int ibuflen, *rbuflen;
1470
u_int16_t vid, bitmap;
1476
memcpy(&vid, ibuf, sizeof( vid ));
1477
ibuf += sizeof( vid );
1478
memcpy(&bitmap, ibuf, sizeof( bitmap ));
1479
bitmap = ntohs( bitmap );
1480
ibuf += sizeof(bitmap);
1482
if (( vol = getvolbyvid( vid )) == NULL ) {
1483
return( AFPERR_PARAM );
1486
if (vol->v_flags & AFPVOL_RO)
1487
return AFPERR_VLOCK;
1489
/* we can only set the backup date. */
1490
if (bitmap != VOLPBIT_BDATE)
1491
return AFPERR_BITMAP;
1493
memset(&ad, 0, sizeof(ad));
1494
if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
1497
return AFPERR_VLOCK;
1499
return AFPERR_ACCESS;
1502
memcpy(&aint, ibuf, sizeof(aint));
1503
ad_setdate(&ad, AD_DATE_BACKUP, aint);
1504
ad_flush(&ad, ADFLAGS_HF);
1505
ad_close(&ad, ADFLAGS_HF);
1510
int wincheck(const struct vol *vol, const char *path)
1514
if (!(vol->v_flags & AFPVOL_MSWINDOWS))
1517
/* empty paths are not allowed */
1518
if ((len = strlen(path)) == 0)
1521
/* leading or trailing whitespaces are not allowed, carriage returns
1522
* and probably other whitespace is okay, tabs are not allowed
1524
if ((path[0] == ' ') || (path[len-1] == ' '))
1527
/* certain characters are not allowed */
1528
if (strpbrk(path, MSWINDOWS_BADCHARS))
1531
/* everything else is okay */
added
removed
etc/afpd/volume.c
