2 * $Id: volume.c,v 1.45 2003-01-08 15:01:37 didg 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, "$v")) {
221 memset(&ad, 0, sizeof(ad));
222 if (ad_open(path, ADFLAGS_HF, O_RDONLY, 0, &ad) < 0)
225 if ((len = MIN(ad_getentrylen(&ad, ADEID_NAME), destlen)) > 0) {
226 memcpy(dest, ad_entry(&ad, ADEID_NAME), len);
227 ad_close(&ad, ADFLAGS_HF);
231 ad_close(&ad, ADFLAGS_HF);
232 no_volname: /* simple basename */
233 if ((q = strrchr(path, '/')) == NULL)
235 else if (*(q + 1) != '\0')
239 } else if (is_var(p, "$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 val = strchr(tmp, ':');
302 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
304 if (optionok(tmp, "allow:", val)) {
305 if (options[VOLOPT_ALLOW].c_value)
306 free(options[VOLOPT_ALLOW].c_value);
307 options[VOLOPT_ALLOW].c_value = strdup(val + 1);
309 } else if (optionok(tmp, "deny:", val)) {
310 if (options[VOLOPT_DENY].c_value)
311 free(options[VOLOPT_DENY].c_value);
312 options[VOLOPT_DENY].c_value = strdup(val + 1);
314 } else if (optionok(tmp, "rwlist:", val)) {
315 if (options[VOLOPT_RWLIST].c_value)
316 free(options[VOLOPT_RWLIST].c_value);
317 options[VOLOPT_RWLIST].c_value = strdup(val + 1);
319 } else if (optionok(tmp, "rolist:", val)) {
320 if (options[VOLOPT_ROLIST].c_value)
321 free(options[VOLOPT_ROLIST].c_value);
322 options[VOLOPT_ROLIST].c_value = strdup(val + 1);
324 } else if (optionok(tmp, "codepage:", val)) {
325 if (options[VOLOPT_CODEPAGE].c_value)
326 free(options[VOLOPT_CODEPAGE].c_value);
327 options[VOLOPT_CODEPAGE].c_value = get_codepage_path(nlspath, val + 1);
329 } else if (optionok(tmp, "veto:", val)) {
330 if (options[VOLOPT_VETO].c_value)
331 free(options[VOLOPT_VETO].c_value);
332 options[VOLOPT_VETO].c_value = strdup(val + 1);
334 } else if (optionok(tmp, "casefold:", val)) {
335 if (strcasecmp(val + 1, "tolower") == 0)
336 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
337 else if (strcasecmp(val + 1, "toupper") == 0)
338 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
339 else if (strcasecmp(val + 1, "xlatelower") == 0)
340 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
341 else if (strcasecmp(val + 1, "xlateupper") == 0)
342 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
344 } else if (optionok(tmp, "options:", val)) {
347 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
351 if (strcasecmp(p, "prodos") == 0)
352 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
353 else if (strcasecmp(p, "mswindows") == 0) {
354 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS;
355 if (!options[VOLOPT_CODEPAGE].c_value)
356 options[VOLOPT_CODEPAGE].c_value =
357 get_codepage_path(nlspath, MSWINDOWS_CODEPAGE);
359 } else if (strcasecmp(p, "crlf") == 0)
360 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
361 else if (strcasecmp(p, "noadouble") == 0)
362 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
363 else if (strcasecmp(p, "ro") == 0)
364 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
365 else if (strcasecmp(p, "nohex") == 0)
366 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
367 else if (strcasecmp(p, "usedots") == 0)
368 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
369 else if (strcasecmp(p, "limitsize") == 0)
370 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
371 /* support for either "dropbox" or "dropkludge" */
372 else if (strcasecmp(p, "dropbox") == 0)
373 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
374 else if (strcasecmp(p, "dropkludge") == 0)
375 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
376 else if (strcasecmp(p, "nofileid") == 0)
377 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
378 else if (strcasecmp(p, "utf8") == 0)
379 options[VOLOPT_FLAGS].i_value |= AFPVOL_UTF8;
381 p = strtok(NULL, ",");
385 } else if (optionok(tmp, "dbpath:", val)) {
386 char t[MAXPATHLEN + 1];
387 if (options[VOLOPT_DBPATH].c_value)
388 free(options[VOLOPT_DBPATH].c_value);
390 volxlate(obj, t, MAXPATHLEN, val, pwd, NULL);
391 options[VOLOPT_DBPATH].c_value = strdup(t + 1);
393 } else if (optionok(tmp, "umask:", val)) {
394 options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
395 } else if (optionok(tmp, "mapchars:",val)) {
396 if (options[VOLOPT_MAPCHARS].c_value)
397 free(options[VOLOPT_MAPCHARS].c_value);
398 options[VOLOPT_MAPCHARS].c_value = strdup(val + 1);
400 } else if (optionok(tmp, "password:", val)) {
401 if (options[VOLOPT_PASSWORD].c_value)
402 free(options[VOLOPT_PASSWORD].c_value);
403 options[VOLOPT_PASSWORD].c_value = strdup(val + 1);
407 /* this code allows forced uid/gid per volume settings */
408 } else if (optionok(tmp, "forceuid:", val)) {
409 if (options[VOLOPT_FORCEUID].c_value)
410 free(options[VOLOPT_FORCEUID].c_value);
411 options[VOLOPT_FORCEUID].c_value = strdup(val + 1);
412 } else if (optionok(tmp, "forcegid:", val)) {
413 if (options[VOLOPT_FORCEGID].c_value)
414 free(options[VOLOPT_FORCEGID].c_value);
415 options[VOLOPT_FORCEGID].c_value = strdup(val + 1);
417 #endif /* FORCE_UIDGID */
420 /* ignore unknown options */
421 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
424 /* we'll assume it's a volume name. */
425 strncpy(volname, tmp, vlen);
429 static int creatvol(const char *path, char *name, struct vol_option *options)
434 if ( name == NULL || *name == '\0' ) {
435 if ((name = strrchr( path, '/' )) == NULL) {
436 return -1; /* Obviously not a fully qualified path */
439 /* if you wish to share /, you need to specify a name. */
444 for ( volume = volumes; volume; volume = volume->v_next ) {
445 if ( strcasecmp( volume->v_name, name ) == 0 ) {
446 return -1; /* Won't be able to access it, anyway... */
450 vlen = strlen( name );
451 if ( vlen > AFPVOL_NAMELEN ) {
452 vlen = AFPVOL_NAMELEN;
453 name[AFPVOL_NAMELEN] = '\0';
457 (struct vol *)calloc(1, sizeof( struct vol ))) == NULL ) {
458 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
461 if (( volume->v_name =
462 (char *)malloc( vlen + 1 )) == NULL ) {
463 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
467 if (( volume->v_path =
468 (char *)malloc( strlen( path ) + 1 )) == NULL ) {
469 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
470 free(volume->v_name);
475 strcpy( volume->v_name, name);
476 strcpy( volume->v_path, path );
480 #endif /* __svr4__ */
481 volume->v_vid = lastvid++;
482 volume->v_lastdid = 17;
486 /* should we casefold? */
487 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
489 /* shift in some flags */
490 volume->v_flags = options[VOLOPT_FLAGS].i_value;
492 /* read in the code pages */
493 if (options[VOLOPT_CODEPAGE].c_value)
494 codepage_read(volume, options[VOLOPT_CODEPAGE].c_value);
496 if (options[VOLOPT_PASSWORD].c_value)
497 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
499 if (options[VOLOPT_VETO].c_value)
500 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
503 if (options[VOLOPT_DBPATH].c_value)
504 volume->v_dbpath = strdup(options[VOLOPT_DBPATH].c_value);
507 if (options[VOLOPT_UMASK].i_value)
508 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
512 if (options[VOLOPT_FORCEUID].c_value) {
513 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
515 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
518 if (options[VOLOPT_FORCEGID].c_value) {
519 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
521 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
524 #endif /* FORCE_UIDGID */
528 volume->v_next = volumes;
533 static char *myfgets( buf, size, fp )
542 while ((( c = getc( fp )) != EOF ) && ( size > 0 )) {
543 if ( c == '\n' || c == '\r' ) {
561 /* check access list. this function wants something of the following
563 * @group,name,name2,@group2,name3
565 * a NULL argument allows everybody to have access.
566 * we return three things:
568 * 0: list exists, but name isn't in it
571 static int accessvol(args, name)
575 char buf[MAXPATHLEN + 1], *p;
581 strncpy(buf, args, sizeof(buf));
582 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
586 if (*p == '@') { /* it's a group */
587 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
589 } else if (strcmp(p, name) == 0) /* it's a user name */
591 p = strtok(NULL, ",");
597 static void setextmap( ext, type, creator, user)
598 char *ext, *type, *creator;
604 if (extmap == NULL) {
605 if (( extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
606 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
611 for ( em = extmap, cnt = 0; em->em_ext; em++, cnt++) {
612 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
617 if ( em->em_ext == NULL ) {
618 if (!(extmap = realloc( extmap, sizeof( struct extmap ) * (cnt +2))) ) {
619 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
622 (extmap +cnt +1)->em_ext = NULL;
624 } else if ( !user ) {
630 if (!(em->em_ext = strdup( ext))) {
631 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
635 if ( *type == '\0' ) {
636 memcpy(em->em_type, "????", sizeof( em->em_type ));
638 memcpy(em->em_type, type, sizeof( em->em_type ));
640 if ( *creator == '\0' ) {
641 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
643 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
647 /* -------------------------- */
648 static int extmap_cmp(const void *map1, const void *map2)
650 const struct extmap *em1 = map1;
651 const struct extmap *em2 = map2;
652 return strdiacasecmp(em1->em_ext, em2->em_ext);
655 static void sortextmap( void)
660 if ((em = extmap) == NULL) {
668 qsort(extmap, extmap_cnt, sizeof(struct extmap), extmap_cmp);
675 * Read a volume configuration file and add the volumes contained within to
676 * the global volume list. If p2 is non-NULL, the file that is opened is
679 * Lines that begin with # and blank lines are ignored.
680 * Volume lines are of the form:
681 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
682 * [codepage:<file>] [casefold:<num>]
683 * <extension> TYPE [CREATOR]
685 static int readvolfile(obj, p1, p2, user, pwent)
689 struct passwd *pwent;
692 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
693 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
694 type[ 5 ], creator[ 5 ];
697 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
709 if (( fp = fopen( path, "r" )) == NULL ) {
713 memset(save_options, 0, sizeof(save_options));
714 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
715 initline( strlen( buf ), buf );
716 parseline( sizeof( path ) - 1, path );
723 /* change the default options for this file */
724 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
726 for (i = 0; i < VOLOPT_NUM; i++) {
727 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
728 path + VOLOPT_DEFAULT_LEN) < 0)
730 volset(save_options, tmp, sizeof(tmp) - 1,
731 obj->options.nlspath, path + VOLOPT_DEFAULT_LEN,
738 if (( p = strchr( path, '/' )) != NULL ) {
746 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
749 strcpy( tmp, pw->pw_dir );
750 if ( p != NULL && *p != '\0' ) {
754 /* Tag a user's home directory with their umask. Note, this will
755 * be overwritten if the user actually specifies a umask: option
756 * for a '~' volume. */
757 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
761 /* send path through variable substitution */
762 if (*path != '~') /* need to copy path to tmp */
765 pwent = getpwnam(obj->username);
766 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL);
768 /* this is sort of braindead. basically, i want to be
769 * able to specify things in any order, but i don't want to
770 * re-write everything.
772 * currently we have 11 options:
780 * options:prodos,crlf,noadouble,ro
783 * namemask:x,y,!z (not implemented yet)
785 memcpy(options, save_options, sizeof(options));
788 /* read in up to 11 possible options */
789 for (i = 0; i < VOLOPT_NUM; i++) {
790 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
793 volset(options, volname, sizeof(volname) - 1,
794 obj->options.nlspath, tmp, obj, pwent);
797 /* check allow/deny lists:
798 allow -> either no list (-1), or in list (1)
799 deny -> either no list (-1), or not in list (0) */
800 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
801 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
803 /* handle read-only behaviour. semantics:
804 * 1) neither the rolist nor the rwlist exist -> rw
805 * 2) rolist exists -> ro if user is in it.
806 * 3) rwlist exists -> ro unless user is in it. */
807 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
808 ((accessvol(options[VOLOPT_ROLIST].c_value,
809 obj->username) == 1) ||
810 !accessvol(options[VOLOPT_RWLIST].c_value,
812 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
814 /* do variable substitution */
815 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path);
816 creatvol(path, tmp, options);
818 volfree(options, save_options);
822 parseline( sizeof( type ) - 1, type );
823 parseline( sizeof( creator ) - 1, creator );
824 setextmap( path, type, creator, user);
831 volfree(save_options, NULL);
833 if ( fclose( fp ) != 0 ) {
834 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
840 static void load_volumes(AFPObj *obj)
842 struct passwd *pwent = getpwnam(obj->username);
844 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
845 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent);
848 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
849 readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent);
852 * Read user's AppleVolumes or .AppleVolumes file
853 * If neither are readable, read the default volumes file. if
854 * that doesn't work, create a user share.
856 if ( 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 readvolfile(obj, pwent->pw_dir, ".applevolumes", 1, pwent) < 0 &&
860 obj->options.defaultvol != NULL ) {
861 if (readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent) < 0)
862 creatvol(pwent->pw_dir, NULL, NULL);
865 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
866 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent );
870 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
872 u_int32_t *bfree, *btotal, *bsize;
873 VolSpace *xbfree, *xbtotal;
877 #ifndef NO_QUOTA_SUPPORT
878 VolSpace qfree, qtotal;
879 #endif /* ! NO_QUOTA_SUPPORT */
881 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
882 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
883 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
884 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
885 ? 0x7fffffffL : 0xffffffffL);
888 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
889 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
890 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
891 goto getvolspace_done;
896 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
897 bsize)) != AFP_OK ) {
901 #define min(a,b) ((a)<(b)?(a):(b))
902 #ifndef NO_QUOTA_SUPPORT
903 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
904 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
905 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
906 *xbfree = min(*xbfree, qfree);
907 *xbtotal = min( *xbtotal, qtotal);
908 goto getvolspace_done;
911 #endif /* ! NO_QUOTA_SUPPORT */
912 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
915 *bfree = min( *xbfree, maxsize);
916 *btotal = min( *xbtotal, maxsize);
920 static int getvolparams( bitmap, vol, st, buf, buflen )
928 int bit = 0, isad = 1;
931 u_int32_t bfree, btotal, bsize;
932 VolSpace xbfree, xbtotal; /* extended bytes */
933 char *data, *nameoff = NULL;
936 /* courtesy of jallison@whistle.com:
937 * For MacOS8.x support we need to create the
938 * .Parent file here if it doesn't exist. */
940 memset(&ad, 0, sizeof(ad));
941 if ( ad_open( vol->v_path, vol_noadouble(vol) |
942 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
946 } else if (ad_getoflags( &ad, ADFLAGS_HF ) & O_CREAT) {
947 slash = strrchr( vol->v_path, '/' );
953 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
954 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
955 ad_getentrylen( &ad, ADEID_NAME ));
956 ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st->st_mtime);
957 ad_flush(&ad, ADFLAGS_HF);
960 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
961 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
962 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
963 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
966 ad_close( &ad, ADFLAGS_HF );
968 return( AFPERR_PARAM );
973 while ( bitmap != 0 ) {
974 while (( bitmap & 1 ) == 0 ) {
983 if (0 == (vol->v_flags & AFPVOL_NOFILEID)) {
984 ashort = VOLPBIT_ATTR_FILEID;
987 /* check for read-only.
988 * NOTE: we don't actually set the read-only flag unless
989 * it's passed in that way as it's possible to mount
990 * a read-write filesystem under a read-only one. */
991 if ((vol->v_flags & AFPVOL_RO) ||
992 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
993 ashort |= VOLPBIT_ATTR_RO;
995 ashort |= VOLPBIT_ATTR_CATSEARCH;
996 if (afp_version >= 30) {
997 ashort |= VOLPBIT_ATTR_UTF8;
999 ashort = htons(ashort);
1000 memcpy(data, &ashort, sizeof( ashort ));
1001 data += sizeof( ashort );
1005 ashort = htons( AFPVOLSIG_DEFAULT );
1006 memcpy(data, &ashort, sizeof( ashort ));
1007 data += sizeof( ashort );
1010 case VOLPBIT_CDATE :
1011 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1012 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1013 memcpy(data, &aint, sizeof( aint ));
1014 data += sizeof( aint );
1017 case VOLPBIT_MDATE :
1018 if ( st->st_mtime > vol->v_time ) {
1019 vol->v_time = st->st_mtime;
1020 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1022 aint = AD_DATE_FROM_UNIX(vol->v_time);
1024 memcpy(data, &aint, sizeof( aint ));
1025 data += sizeof( aint );
1028 case VOLPBIT_BDATE :
1029 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1030 aint = AD_DATE_START;
1031 memcpy(data, &aint, sizeof( aint ));
1032 data += sizeof( aint );
1036 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1037 data += sizeof( vol->v_vid );
1040 case VOLPBIT_BFREE :
1041 bfree = htonl( bfree );
1042 memcpy(data, &bfree, sizeof( bfree ));
1043 data += sizeof( bfree );
1046 case VOLPBIT_BTOTAL :
1047 btotal = htonl( btotal );
1048 memcpy(data, &btotal, sizeof( btotal ));
1049 data += sizeof( btotal );
1052 #ifndef NO_LARGE_VOL_SUPPORT
1053 case VOLPBIT_XBFREE :
1054 xbfree = hton64( xbfree );
1055 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1056 bcopy(&xbfree, data, sizeof(xbfree));
1057 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1058 memcpy(data, &xbfree, sizeof( xbfree ));
1059 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1060 data += sizeof( xbfree );
1063 case VOLPBIT_XBTOTAL :
1064 xbtotal = hton64( xbtotal );
1065 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1066 bcopy(&xbtotal, data, sizeof(xbtotal));
1067 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1068 memcpy(data, &xbtotal, sizeof( xbtotal ));
1069 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1070 data += sizeof( xbfree );
1072 #endif /* ! NO_LARGE_VOL_SUPPORT */
1076 data += sizeof( u_int16_t );
1079 case VOLPBIT_BSIZE: /* block size */
1080 bsize = htonl(bsize);
1081 memcpy(data, &bsize, sizeof(bsize));
1082 data += sizeof(bsize);
1087 ad_close( &ad, ADFLAGS_HF );
1089 return( AFPERR_BITMAP );
1095 ashort = htons( data - buf );
1096 memcpy(nameoff, &ashort, sizeof( ashort ));
1097 aint = strlen( vol->v_name );
1099 memcpy(data, vol->v_name, aint );
1103 ad_close( &ad, ADFLAGS_HF );
1105 *buflen = data - buf;
1111 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1114 int ibuflen, *rbuflen;
1127 for ( vcnt = 0, volume = volumes; volume; volume = volume->v_next ) {
1128 if ( stat( volume->v_path, &st ) < 0 ) {
1129 LOG(log_info, logtype_afpd, "afp_getsrvrparms: stat %s: %s",
1130 volume->v_path, strerror(errno) );
1131 continue; /* can't access directory */
1133 if (!S_ISDIR(st.st_mode)) {
1134 continue; /* not a dir */
1137 /* set password bit if there's a volume password */
1138 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1140 /* Apple 2 clients running ProDOS-8 expect one volume to have
1141 bit 0 of this byte set. They will not recognize anything
1142 on the server unless this is the case. I have not
1143 completely worked this out, but it's related to booting
1144 from the server. Support for that function is a ways
1145 off.. <shirsch@ibm.net> */
1146 *data++ |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1147 len = strlen( volume->v_name );
1149 memcpy(data, volume->v_name, len );
1154 *rbuflen = data - rbuf;
1156 if ( gettimeofday( &tv, 0 ) < 0 ) {
1157 LOG(log_error, logtype_afpd, "afp_getsrvrparms: gettimeofday: %s", strerror(errno) );
1159 return AFPERR_PARAM;
1161 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1162 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1163 data += sizeof( u_int32_t);
1168 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1171 int ibuflen, *rbuflen;
1177 #endif /* CNID_DB */
1180 int len, ret, buflen;
1184 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1185 bitmap = ntohs( bitmap );
1186 ibuf += sizeof( bitmap );
1187 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1188 ret = AFPERR_BITMAP;
1192 len = (unsigned char)*ibuf++;
1193 volname = obj->oldtmp;
1194 memcpy(volname, ibuf, len );
1195 *(volname + len) = '\0';
1197 if ((len + 1) & 1) /* pad to an even boundary */
1203 for ( volume = volumes; volume; volume = volume->v_next ) {
1204 if ( strcasecmp( volname, volume->v_name ) == 0 ) {
1209 if ( volume == NULL ) {
1214 /* check for a volume password */
1215 if (volume->v_password &&
1216 strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1217 ret = AFPERR_ACCESS;
1222 if (afp_version >= 30) {
1223 volume->max_filename = 255;
1226 volume->max_filename = MACFILELEN;
1228 if (( volume->v_flags & AFPVOL_OPEN ) == 0 ) {
1229 /* FIXME unix name != mac name */
1230 if ((dir = dirnew(volume->v_name, volume->v_name) ) == NULL) {
1231 LOG(log_error, logtype_afpd, "afp_openvol: malloc: %s", strerror(errno) );
1235 dir->d_did = DIRDID_ROOT;
1236 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1237 volume->v_dir = volume->v_root = dir;
1238 volume->v_flags |= AFPVOL_OPEN;
1241 set_uidgid ( volume );
1242 #endif /* FORCE_UIDGID */
1244 if ( stat( volume->v_path, &st ) < 0 ) {
1249 buflen = *rbuflen - sizeof( bitmap );
1250 if (( ret = getvolparams( bitmap, volume, &st,
1251 rbuf + sizeof(bitmap), &buflen )) != AFP_OK ) {
1254 *rbuflen = buflen + sizeof( bitmap );
1255 bitmap = htons( bitmap );
1256 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1258 if ( chdir( volume->v_path ) < 0 ) {
1262 curdir = volume->v_dir;
1265 if (volume->v_dbpath)
1266 volume->v_db = cnid_open (volume->v_dbpath, volume->v_umask);
1267 if (volume->v_db == NULL)
1268 volume->v_db = cnid_open (volume->v_path, volume->v_umask);
1269 #endif /* CNID_DB */
1273 * If you mount a volume twice, the second time the trash appears on
1274 * the desk-top. That's because the Mac remembers the DID for the
1275 * trash (even for volumes in different zones, on different servers).
1276 * Just so this works better, we prime the DID cache with the trash,
1277 * fixing the trash at DID 17.
1280 cname( volume, volume->v_dir, &p );
1281 #endif /* CNID_DB */
1290 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1293 int ibuflen, *rbuflen;
1295 struct vol *vol, *ovol;
1300 memcpy(&vid, ibuf, sizeof( vid ));
1301 if (( vol = getvolbyvid( vid )) == NULL ) {
1302 return( AFPERR_PARAM );
1305 vol->v_flags &= ~AFPVOL_OPEN;
1306 for ( ovol = volumes; ovol; ovol = ovol->v_next ) {
1307 if ( ovol->v_flags & AFPVOL_OPEN ) {
1311 if ( ovol != NULL ) {
1312 /* Even if chdir fails, we can't say afp_closevol fails. */
1313 if ( chdir( ovol->v_path ) == 0 ) {
1314 curdir = ovol->v_dir;
1317 dirfree( vol->v_root );
1320 cnid_close(vol->v_db);
1322 #endif /* CNID_DB */
1326 struct vol *getvolbyvid(const u_int16_t vid )
1330 for ( vol = volumes; vol; vol = vol->v_next ) {
1331 if ( vid == vol->v_vid ) {
1335 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1341 #endif /* FORCE_UIDGID */
1346 /* ------------------------ */
1347 static int ext_cmp_key(const void *key, const void *obj)
1349 const char *p = key;
1350 const struct extmap *em = obj;
1351 return strdiacasecmp(p, em->em_ext);
1353 struct extmap *getextmap(const char *path)
1358 if (( p = strrchr( path, '.' )) == NULL ) {
1359 return( defextmap );
1362 if (!*p || !extmap_cnt) {
1363 return( defextmap );
1365 em = bsearch(p, extmap, extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1369 return( defextmap );
1373 struct extmap *getdefextmap(void)
1375 return( defextmap );
1379 poll if a volume is changed by other processes.
1381 int pollvoltime(obj)
1388 if (!(afp_version > 21 && obj->options.server_notif))
1391 if ( gettimeofday( &tv, 0 ) < 0 )
1394 for ( vol = volumes; vol; vol = vol->v_next ) {
1395 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_time + 30 < tv.tv_sec) {
1396 if ( !stat( vol->v_path, &st ) && vol->v_time != st.st_mtime ) {
1397 vol->v_time = st.st_mtime;
1398 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1407 void setvoltime(obj, vol )
1413 /* just looking at vol->v_time is broken seriously since updates
1414 * from other users afpd processes never are seen.
1415 * This is not the most elegant solution (a shared memory between
1416 * the afpd processes would come closer)
1419 if ( gettimeofday( &tv, 0 ) < 0 ) {
1420 LOG(log_error, logtype_afpd, "setvoltime: gettimeofday: %s", strerror(errno) );
1423 if( utime( vol->v_path, NULL ) < 0 ) {
1424 /* write of time failed ... probably a read only filesys,
1425 * where no other users can interfere, so there's no issue here
1429 /* a little granularity */
1430 if (vol->v_time < tv.tv_sec) {
1431 vol->v_time = tv.tv_sec;
1432 if (afp_version > 21 && obj->options.server_notif) {
1433 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1438 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1441 int ibuflen, *rbuflen;
1446 u_int16_t vid, bitmap;
1449 memcpy(&vid, ibuf, sizeof( vid ));
1450 ibuf += sizeof( vid );
1451 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1452 bitmap = ntohs( bitmap );
1454 if (( vol = getvolbyvid( vid )) == NULL ) {
1456 return( AFPERR_PARAM );
1459 if ( stat( vol->v_path, &st ) < 0 ) {
1461 return( AFPERR_PARAM );
1464 buflen = *rbuflen - sizeof( bitmap );
1465 if (( ret = getvolparams( bitmap, vol, &st,
1466 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1470 *rbuflen = buflen + sizeof( bitmap );
1471 bitmap = htons( bitmap );
1472 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1476 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1479 int ibuflen, *rbuflen;
1483 u_int16_t vid, bitmap;
1489 memcpy(&vid, ibuf, sizeof( vid ));
1490 ibuf += sizeof( vid );
1491 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1492 bitmap = ntohs( bitmap );
1493 ibuf += sizeof(bitmap);
1495 if (( vol = getvolbyvid( vid )) == NULL ) {
1496 return( AFPERR_PARAM );
1499 if (vol->v_flags & AFPVOL_RO)
1500 return AFPERR_VLOCK;
1502 /* we can only set the backup date. */
1503 if (bitmap != VOLPBIT_BDATE)
1504 return AFPERR_BITMAP;
1506 memset(&ad, 0, sizeof(ad));
1507 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
1510 return AFPERR_VLOCK;
1512 return AFPERR_ACCESS;
1515 memcpy(&aint, ibuf, sizeof(aint));
1516 ad_setdate(&ad, AD_DATE_BACKUP, aint);
1517 ad_flush(&ad, ADFLAGS_HF);
1518 ad_close(&ad, ADFLAGS_HF);
1523 int wincheck(const struct vol *vol, const char *path)
1527 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
1530 /* empty paths are not allowed */
1531 if ((len = strlen(path)) == 0)
1534 /* leading or trailing whitespaces are not allowed, carriage returns
1535 * and probably other whitespace is okay, tabs are not allowed
1537 if ((path[0] == ' ') || (path[len-1] == ' '))
1540 /* certain characters are not allowed */
1541 if (strpbrk(path, MSWINDOWS_BADCHARS))
1544 /* everything else is okay */