2 * $Id: volume.c,v 1.35 2002-09-29 18:44:16 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)
300 val = strchr(tmp, ':');
301 if (optionok(tmp, "allow:", val)) {
302 if (options[VOLOPT_ALLOW].c_value)
303 free(options[VOLOPT_ALLOW].c_value);
304 options[VOLOPT_ALLOW].c_value = strdup(val + 1);
306 } else if (optionok(tmp, "deny:", val)) {
307 if (options[VOLOPT_DENY].c_value)
308 free(options[VOLOPT_DENY].c_value);
309 options[VOLOPT_DENY].c_value = strdup(val + 1);
311 } else if (optionok(tmp, "rwlist:", val)) {
312 if (options[VOLOPT_RWLIST].c_value)
313 free(options[VOLOPT_RWLIST].c_value);
314 options[VOLOPT_RWLIST].c_value = strdup(val + 1);
316 } else if (optionok(tmp, "rolist:", val)) {
317 if (options[VOLOPT_ROLIST].c_value)
318 free(options[VOLOPT_ROLIST].c_value);
319 options[VOLOPT_ROLIST].c_value = strdup(val + 1);
321 } else if (optionok(tmp, "codepage:", val)) {
322 if (options[VOLOPT_CODEPAGE].c_value)
323 free(options[VOLOPT_CODEPAGE].c_value);
324 options[VOLOPT_CODEPAGE].c_value = get_codepage_path(nlspath, val + 1);
326 } else if (optionok(tmp, "veto:", val)) {
327 if (options[VOLOPT_VETO].c_value)
328 free(options[VOLOPT_VETO].c_value);
329 options[VOLOPT_VETO].c_value = strdup(val + 1);
331 } else if (optionok(tmp, "casefold:", val)) {
332 if (strcasecmp(val + 1, "tolower") == 0)
333 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
334 else if (strcasecmp(val + 1, "toupper") == 0)
335 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
336 else if (strcasecmp(val + 1, "xlatelower") == 0)
337 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
338 else if (strcasecmp(val + 1, "xlateupper") == 0)
339 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
341 } else if (optionok(tmp, "options:", val)) {
344 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
348 if (strcasecmp(p, "prodos") == 0)
349 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
350 else if (strcasecmp(p, "mswindows") == 0) {
351 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS;
352 if (!options[VOLOPT_CODEPAGE].c_value)
353 options[VOLOPT_CODEPAGE].c_value =
354 get_codepage_path(nlspath, MSWINDOWS_CODEPAGE);
356 } else if (strcasecmp(p, "crlf") == 0)
357 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
358 else if (strcasecmp(p, "noadouble") == 0)
359 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
360 else if (strcasecmp(p, "ro") == 0)
361 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
362 else if (strcasecmp(p, "nohex") == 0)
363 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
364 else if (strcasecmp(p, "usedots") == 0)
365 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
366 else if (strcasecmp(p, "limitsize") == 0)
367 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
368 /* support for either "dropbox" or "dropkludge" */
369 else if (strcasecmp(p, "dropbox") == 0)
370 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
371 else if (strcasecmp(p, "dropkludge") == 0)
372 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
373 else if (strcasecmp(p, "nofileid") == 0)
374 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
376 p = strtok(NULL, ",");
380 } else if (optionok(tmp, "dbpath:", val)) {
381 if (options[VOLOPT_DBPATH].c_value)
382 free(options[VOLOPT_DBPATH].c_value);
384 options[VOLOPT_DBPATH].c_value = strdup(val + 1);
386 } else if (optionok(tmp, "umask:", val)) {
387 options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
388 } else if (optionok(tmp, "mapchars:",val)) {
389 if (options[VOLOPT_MAPCHARS].c_value)
390 free(options[VOLOPT_MAPCHARS].c_value);
391 options[VOLOPT_MAPCHARS].c_value = strdup(val + 1);
393 } else if (optionok(tmp, "password:", val)) {
394 if (options[VOLOPT_PASSWORD].c_value)
395 free(options[VOLOPT_PASSWORD].c_value);
396 options[VOLOPT_PASSWORD].c_value = strdup(val + 1);
400 /* this code allows forced uid/gid per volume settings */
401 } else if (optionok(tmp, "forceuid:", val)) {
402 if (options[VOLOPT_FORCEUID].c_value)
403 free(options[VOLOPT_FORCEUID].c_value);
404 options[VOLOPT_FORCEUID].c_value = strdup(val + 1);
405 } else if (optionok(tmp, "forcegid:", val)) {
406 if (options[VOLOPT_FORCEGID].c_value)
407 free(options[VOLOPT_FORCEGID].c_value);
408 options[VOLOPT_FORCEGID].c_value = strdup(val + 1);
410 #endif /* FORCE_UIDGID */
413 /* ignore unknown options */
414 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
417 /* we'll assume it's a volume name. */
418 strncpy(volname, tmp, vlen);
422 static int creatvol(const char *path, char *name, struct vol_option *options)
427 if ( name == NULL || *name == '\0' ) {
428 if ((name = strrchr( path, '/' )) == NULL) {
429 return -1; /* Obviously not a fully qualified path */
432 /* if you wish to share /, you need to specify a name. */
437 for ( volume = volumes; volume; volume = volume->v_next ) {
438 if ( strcasecmp( volume->v_name, name ) == 0 ) {
439 return -1; /* Won't be able to access it, anyway... */
443 vlen = strlen( name );
444 if ( vlen > AFPVOL_NAMELEN ) {
445 vlen = AFPVOL_NAMELEN;
446 name[AFPVOL_NAMELEN] = '\0';
450 (struct vol *)calloc(1, sizeof( struct vol ))) == NULL ) {
451 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
454 if (( volume->v_name =
455 (char *)malloc( vlen + 1 )) == NULL ) {
456 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
460 if (( volume->v_path =
461 (char *)malloc( strlen( path ) + 1 )) == NULL ) {
462 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
463 free(volume->v_name);
468 strcpy( volume->v_name, name);
469 strcpy( volume->v_path, path );
473 #endif /* __svr4__ */
474 volume->v_vid = lastvid++;
475 volume->v_lastdid = 17;
479 /* should we casefold? */
480 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
482 /* shift in some flags */
483 volume->v_flags = options[VOLOPT_FLAGS].i_value;
485 /* read in the code pages */
486 if (options[VOLOPT_CODEPAGE].c_value)
487 codepage_read(volume, options[VOLOPT_CODEPAGE].c_value);
489 if (options[VOLOPT_PASSWORD].c_value)
490 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
492 if (options[VOLOPT_VETO].c_value)
493 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
496 if (options[VOLOPT_DBPATH].c_value)
497 volume->v_dbpath = strdup(options[VOLOPT_DBPATH].c_value);
500 if (options[VOLOPT_UMASK].i_value)
501 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
505 if (options[VOLOPT_FORCEUID].c_value) {
506 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
508 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
511 if (options[VOLOPT_FORCEGID].c_value) {
512 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
514 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
517 #endif /* FORCE_UIDGID */
521 volume->v_next = volumes;
526 static char *myfgets( buf, size, fp )
535 while ((( c = getc( fp )) != EOF ) && ( size > 0 )) {
536 if ( c == '\n' || c == '\r' ) {
554 /* check access list. this function wants something of the following
556 * @group,name,name2,@group2,name3
558 * a NULL argument allows everybody to have access.
559 * we return three things:
561 * 0: list exists, but name isn't in it
564 static int accessvol(args, name)
568 char buf[MAXPATHLEN + 1], *p;
574 strncpy(buf, args, sizeof(buf));
575 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
579 if (*p == '@') { /* it's a group */
580 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
582 } else if (strcmp(p, name) == 0) /* it's a user name */
584 p = strtok(NULL, ",");
590 static void setextmap( ext, type, creator, user)
591 char *ext, *type, *creator;
597 if (extmap == NULL) {
598 if (( extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
599 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
605 for ( em = extmap, cnt = 0; em->em_ext; em++, cnt++) {
606 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
611 if ( em->em_ext == NULL ) {
612 if (!(extmap = realloc( extmap, sizeof( struct extmap ) * (cnt +2))) ) {
613 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
616 (extmap +cnt +1)->em_ext = NULL;
618 } else if ( !user ) {
624 if (!(em->em_ext = strdup( ext))) {
625 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
629 if ( *type == '\0' ) {
630 memcpy(em->em_type, "????", sizeof( em->em_type ));
632 memcpy(em->em_type, type, sizeof( em->em_type ));
634 if ( *creator == '\0' ) {
635 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
637 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
645 /* -------------------------- */
646 static int extmap_cmp(const void *map1, const void *map2)
648 const struct extmap *em1 = map1;
649 const struct extmap *em2 = map2;
650 return strdiacasecmp(em1->em_ext, em2->em_ext);
653 static void sortextmap( void)
657 if ((em = extmap) == NULL) {
666 qsort(extmap, extmap_cnt, sizeof(struct extmap), extmap_cmp);
672 * Read a volume configuration file and add the volumes contained within to
673 * the global volume list. If p2 is non-NULL, the file that is opened is
676 * Lines that begin with # and blank lines are ignored.
677 * Volume lines are of the form:
678 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
679 * [codepage:<file>] [casefold:<num>]
680 * <extension> TYPE [CREATOR]
682 static int readvolfile(obj, p1, p2, user, pwent)
686 struct passwd *pwent;
689 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
690 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
691 type[ 5 ], creator[ 5 ];
694 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
706 if (( fp = fopen( path, "r" )) == NULL ) {
710 memset(save_options, 0, sizeof(save_options));
711 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
712 initline( strlen( buf ), buf );
713 parseline( sizeof( path ) - 1, path );
720 /* change the default options for this file */
721 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
723 for (i = 0; i < VOLOPT_NUM; i++) {
724 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
725 path + VOLOPT_DEFAULT_LEN) < 0)
727 volset(save_options, tmp, sizeof(tmp) - 1,
728 obj->options.nlspath, path + VOLOPT_DEFAULT_LEN);
734 if (( p = strchr( path, '/' )) != NULL ) {
742 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
745 strcpy( tmp, pw->pw_dir );
746 if ( p != NULL && *p != '\0' ) {
750 /* Tag a user's home directory with their umask. Note, this will
751 * be overwritten if the user actually specifies a umask: option
752 * for a '~' volume. */
753 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
757 /* send path through variable substitution */
758 if (*path != '~') /* need to copy path to tmp */
761 pwent = getpwnam(obj->username);
762 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL);
764 /* this is sort of braindead. basically, i want to be
765 * able to specify things in any order, but i don't want to
766 * re-write everything.
768 * currently we have 11 options:
776 * options:prodos,crlf,noadouble,ro
779 * namemask:x,y,!z (not implemented yet)
781 memcpy(options, save_options, sizeof(options));
784 /* read in up to 11 possible options */
785 for (i = 0; i < VOLOPT_NUM; i++) {
786 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
789 volset(options, volname, sizeof(volname) - 1,
790 obj->options.nlspath, tmp);
793 /* check allow/deny lists:
794 allow -> either no list (-1), or in list (1)
795 deny -> either no list (-1), or not in list (0) */
796 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
797 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
799 /* handle read-only behaviour. semantics:
800 * 1) neither the rolist nor the rwlist exist -> rw
801 * 2) rolist exists -> ro if user is in it.
802 * 3) rwlist exists -> ro unless user is in it. */
803 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
804 ((accessvol(options[VOLOPT_ROLIST].c_value,
805 obj->username) == 1) ||
806 !accessvol(options[VOLOPT_RWLIST].c_value,
808 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
810 /* do variable substitution */
811 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path);
812 creatvol(path, tmp, options);
814 volfree(options, save_options);
818 parseline( sizeof( type ) - 1, type );
819 parseline( sizeof( creator ) - 1, creator );
820 setextmap( path, type, creator, user);
827 volfree(save_options, NULL);
829 if ( fclose( fp ) != 0 ) {
830 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
836 static void load_volumes(AFPObj *obj)
838 struct passwd *pwent = getpwnam(obj->username);
840 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
841 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent);
844 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
845 readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent);
848 * Read user's AppleVolumes or .AppleVolumes file
849 * If neither are readable, read the default volumes file. if
850 * that doesn't work, create a user share.
852 if ( readvolfile(obj, pwent->pw_dir, "AppleVolumes", 1, pwent) < 0 &&
853 readvolfile(obj, pwent->pw_dir, ".AppleVolumes", 1, pwent) < 0 &&
854 readvolfile(obj, pwent->pw_dir, "applevolumes", 1, pwent) < 0 &&
855 readvolfile(obj, pwent->pw_dir, ".applevolumes", 1, pwent) < 0 &&
856 obj->options.defaultvol != NULL ) {
857 if (readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent) < 0)
858 creatvol(pwent->pw_dir, NULL, NULL);
861 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
862 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent );
866 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
868 u_int32_t *bfree, *btotal, *bsize;
869 VolSpace *xbfree, *xbtotal;
873 #ifndef NO_QUOTA_SUPPORT
874 VolSpace qfree, qtotal;
875 #endif /* ! NO_QUOTA_SUPPORT */
877 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
878 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
879 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
880 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
881 ? 0x7fffffffL : 0xffffffffL);
884 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
885 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
886 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
887 goto getvolspace_done;
892 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
893 bsize)) != AFP_OK ) {
897 #define min(a,b) ((a)<(b)?(a):(b))
898 #ifndef NO_QUOTA_SUPPORT
899 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
900 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
901 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
902 *xbfree = min(*xbfree, qfree);
903 *xbtotal = min( *xbtotal, qtotal);
904 goto getvolspace_done;
907 #endif /* ! NO_QUOTA_SUPPORT */
908 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
911 *bfree = min( *xbfree, maxsize);
912 *btotal = min( *xbtotal, maxsize);
916 static int getvolparams( bitmap, vol, st, buf, buflen )
924 int bit = 0, isad = 1;
927 u_int32_t bfree, btotal, bsize;
928 VolSpace xbfree, xbtotal; /* extended bytes */
929 char *data, *nameoff = NULL;
932 /* courtesy of jallison@whistle.com:
933 * For MacOS8.x support we need to create the
934 * .Parent file here if it doesn't exist. */
936 memset(&ad, 0, sizeof(ad));
937 if ( ad_open( vol->v_path, vol_noadouble(vol) |
938 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
942 } else if (ad_getoflags( &ad, ADFLAGS_HF ) & O_CREAT) {
943 slash = strrchr( vol->v_path, '/' );
949 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
950 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
951 ad_getentrylen( &ad, ADEID_NAME ));
952 ad_flush(&ad, ADFLAGS_HF);
955 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
956 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
957 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
958 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
961 ad_close( &ad, ADFLAGS_HF );
963 return( AFPERR_PARAM );
968 while ( bitmap != 0 ) {
969 while (( bitmap & 1 ) == 0 ) {
978 if (0 == (vol->v_flags & AFPVOL_NOFILEID)) {
979 ashort = VOLPBIT_ATTR_FILEID;
982 /* check for read-only.
983 * NOTE: we don't actually set the read-only flag unless
984 * it's passed in that way as it's possible to mount
985 * a read-write filesystem under a read-only one. */
986 if ((vol->v_flags & AFPVOL_RO) ||
987 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS)))
988 ashort |= VOLPBIT_ATTR_RO;
989 #ifdef WITH_CATSEARCH
990 ashort |= VOLPBIT_ATTR_CATSEARCH;
992 ashort = htons(ashort);
993 memcpy(data, &ashort, sizeof( ashort ));
994 data += sizeof( ashort );
998 ashort = htons( AFPVOLSIG_DEFAULT );
999 memcpy(data, &ashort, sizeof( ashort ));
1000 data += sizeof( ashort );
1003 case VOLPBIT_CDATE :
1004 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1005 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1006 memcpy(data, &aint, sizeof( aint ));
1007 data += sizeof( aint );
1010 case VOLPBIT_MDATE :
1011 if ( st->st_mtime > vol->v_time ) {
1012 vol->v_time = st->st_mtime;
1013 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1015 aint = AD_DATE_FROM_UNIX(vol->v_time);
1017 memcpy(data, &aint, sizeof( aint ));
1018 data += sizeof( aint );
1021 case VOLPBIT_BDATE :
1022 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1023 aint = AD_DATE_START;
1024 memcpy(data, &aint, sizeof( aint ));
1025 data += sizeof( aint );
1029 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1030 data += sizeof( vol->v_vid );
1033 case VOLPBIT_BFREE :
1034 bfree = htonl( bfree );
1035 memcpy(data, &bfree, sizeof( bfree ));
1036 data += sizeof( bfree );
1039 case VOLPBIT_BTOTAL :
1040 btotal = htonl( btotal );
1041 memcpy(data, &btotal, sizeof( btotal ));
1042 data += sizeof( btotal );
1045 #ifndef NO_LARGE_VOL_SUPPORT
1046 case VOLPBIT_XBFREE :
1047 xbfree = hton64( xbfree );
1048 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1049 bcopy(&xbfree, data, sizeof(xbfree));
1050 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1051 memcpy(data, &xbfree, sizeof( xbfree ));
1052 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1053 data += sizeof( xbfree );
1056 case VOLPBIT_XBTOTAL :
1057 xbtotal = hton64( xbtotal );
1058 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1059 bcopy(&xbtotal, data, sizeof(xbtotal));
1060 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1061 memcpy(data, &xbtotal, sizeof( xbtotal ));
1062 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1063 data += sizeof( xbfree );
1065 #endif /* ! NO_LARGE_VOL_SUPPORT */
1069 data += sizeof( u_int16_t );
1072 case VOLPBIT_BSIZE: /* block size */
1073 bsize = htonl(bsize);
1074 memcpy(data, &bsize, sizeof(bsize));
1075 data += sizeof(bsize);
1080 ad_close( &ad, ADFLAGS_HF );
1082 return( AFPERR_BITMAP );
1088 ashort = htons( data - buf );
1089 memcpy(nameoff, &ashort, sizeof( ashort ));
1090 aint = strlen( vol->v_name );
1092 memcpy(data, vol->v_name, aint );
1096 ad_close( &ad, ADFLAGS_HF );
1098 *buflen = data - buf;
1104 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1107 int ibuflen, *rbuflen;
1120 for ( vcnt = 0, volume = volumes; volume; volume = volume->v_next ) {
1121 if ( stat( volume->v_path, &st ) < 0 ) {
1122 LOG(log_info, logtype_afpd, "afp_getsrvrparms: stat %s: %s",
1123 volume->v_path, strerror(errno) );
1124 continue; /* can't access directory */
1126 if (!S_ISDIR(st.st_mode)) {
1127 continue; /* not a dir */
1130 /* set password bit if there's a volume password */
1131 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1133 /* Apple 2 clients running ProDOS-8 expect one volume to have
1134 bit 0 of this byte set. They will not recognize anything
1135 on the server unless this is the case. I have not
1136 completely worked this out, but it's related to booting
1137 from the server. Support for that function is a ways
1138 off.. <shirsch@ibm.net> */
1139 *data++ |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1140 len = strlen( volume->v_name );
1142 memcpy(data, volume->v_name, len );
1147 *rbuflen = data - rbuf;
1149 if ( gettimeofday( &tv, 0 ) < 0 ) {
1150 LOG(log_error, logtype_afpd, "afp_getsrvrparms: gettimeofday: %s", strerror(errno) );
1152 return AFPERR_PARAM;
1154 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1155 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1156 data += sizeof( u_int32_t);
1161 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1164 int ibuflen, *rbuflen;
1170 #endif /* CNID_DB */
1173 int len, ret, buflen;
1177 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1178 bitmap = ntohs( bitmap );
1179 ibuf += sizeof( bitmap );
1180 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1181 ret = AFPERR_BITMAP;
1185 len = (unsigned char)*ibuf++;
1186 volname = obj->oldtmp;
1187 memcpy(volname, ibuf, len );
1188 *(volname + len) = '\0';
1190 if ((len + 1) & 1) /* pad to an even boundary */
1196 for ( volume = volumes; volume; volume = volume->v_next ) {
1197 if ( strcasecmp( volname, volume->v_name ) == 0 ) {
1202 if ( volume == NULL ) {
1207 /* check for a volume password */
1208 if (volume->v_password &&
1209 strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1210 ret = AFPERR_ACCESS;
1214 if (( volume->v_flags & AFPVOL_OPEN ) == 0 ) {
1215 if ((dir = dirnew(strlen(volume->v_name) + 1)) == NULL) {
1216 LOG(log_error, logtype_afpd, "afp_openvol: malloc: %s", strerror(errno) );
1220 dir->d_did = DIRDID_ROOT;
1221 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1222 strcpy( dir->d_name, volume->v_name );
1223 volume->v_dir = volume->v_root = dir;
1224 volume->v_flags |= AFPVOL_OPEN;
1227 set_uidgid ( volume );
1228 #endif /* FORCE_UIDGID */
1230 if ( stat( volume->v_path, &st ) < 0 ) {
1235 buflen = *rbuflen - sizeof( bitmap );
1236 if (( ret = getvolparams( bitmap, volume, &st,
1237 rbuf + sizeof(bitmap), &buflen )) != AFP_OK ) {
1240 *rbuflen = buflen + sizeof( bitmap );
1241 bitmap = htons( bitmap );
1242 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1244 if ( chdir( volume->v_path ) < 0 ) {
1248 curdir = volume->v_dir;
1251 if (volume->v_dbpath)
1252 volume->v_db = cnid_open (volume->v_dbpath, volume->v_umask);
1253 if (volume->v_db == NULL)
1254 volume->v_db = cnid_open (volume->v_path, volume->v_umask);
1255 #endif /* CNID_DB */
1259 * If you mount a volume twice, the second time the trash appears on
1260 * the desk-top. That's because the Mac remembers the DID for the
1261 * trash (even for volumes in different zones, on different servers).
1262 * Just so this works better, we prime the DID cache with the trash,
1263 * fixing the trash at DID 17.
1266 cname( volume, volume->v_dir, &p );
1267 #endif /* CNID_DB */
1276 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1279 int ibuflen, *rbuflen;
1281 struct vol *vol, *ovol;
1286 memcpy(&vid, ibuf, sizeof( vid ));
1287 if (( vol = getvolbyvid( vid )) == NULL ) {
1288 return( AFPERR_PARAM );
1291 vol->v_flags &= ~AFPVOL_OPEN;
1292 for ( ovol = volumes; ovol; ovol = ovol->v_next ) {
1293 if ( ovol->v_flags & AFPVOL_OPEN ) {
1297 if ( ovol != NULL ) {
1298 /* Even if chdir fails, we can't say afp_closevol fails. */
1299 if ( chdir( ovol->v_path ) == 0 ) {
1300 curdir = ovol->v_dir;
1304 dirfree( vol->v_root );
1307 cnid_close(vol->v_db);
1309 #endif /* CNID_DB */
1313 struct vol *getvolbyvid(const u_int16_t vid )
1317 for ( vol = volumes; vol; vol = vol->v_next ) {
1318 if ( vid == vol->v_vid ) {
1322 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1328 #endif /* FORCE_UIDGID */
1333 /* ------------------------ */
1334 static int ext_cmp_key(const void *key, const void *obj)
1336 const char *p = key;
1337 const struct extmap *em = obj;
1338 return strdiacasecmp(p, em->em_ext);
1340 struct extmap *getextmap(const char *path)
1345 if (( p = strrchr( path, '.' )) == NULL ) {
1346 return( defextmap );
1349 if (!*p || !extmap_cnt) {
1350 return( defextmap );
1352 em = bsearch(p, extmap, extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1356 return( defextmap );
1360 struct extmap *getdefextmap(void)
1362 return( defextmap );
1366 poll if a volume is changed by other processes.
1368 int pollvoltime(obj)
1375 if (!(afp_version > 21 && obj->options.server_notif))
1378 if ( gettimeofday( &tv, 0 ) < 0 )
1381 for ( vol = volumes; vol; vol = vol->v_next ) {
1382 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_time + 30 < tv.tv_sec) {
1383 if ( !stat( vol->v_path, &st ) && vol->v_time != st.st_mtime ) {
1384 vol->v_time = st.st_mtime;
1385 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1393 void setvoltime(obj, vol )
1399 /* just looking at vol->v_time is broken seriously since updates
1400 * from other users afpd processes never are seen.
1401 * This is not the most elegant solution (a shared memory between
1402 * the afpd processes would come closer)
1405 if ( gettimeofday( &tv, 0 ) < 0 ) {
1406 LOG(log_error, logtype_afpd, "setvoltime: gettimeofday: %s", strerror(errno) );
1409 if( utime( vol->v_path, NULL ) < 0 ) {
1410 /* write of time failed ... probably a read only filesys,
1411 * where no other users can interfere, so there's no issue here
1415 /* a little granularity */
1416 if (vol->v_time < tv.tv_sec) {
1417 vol->v_time = tv.tv_sec;
1418 if (afp_version > 21 && obj->options.server_notif) {
1419 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1424 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1427 int ibuflen, *rbuflen;
1432 u_int16_t vid, bitmap;
1435 memcpy(&vid, ibuf, sizeof( vid ));
1436 ibuf += sizeof( vid );
1437 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1438 bitmap = ntohs( bitmap );
1440 if (( vol = getvolbyvid( vid )) == NULL ) {
1442 return( AFPERR_PARAM );
1445 if ( stat( vol->v_path, &st ) < 0 ) {
1447 return( AFPERR_PARAM );
1450 buflen = *rbuflen - sizeof( bitmap );
1451 if (( ret = getvolparams( bitmap, vol, &st,
1452 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1456 *rbuflen = buflen + sizeof( bitmap );
1457 bitmap = htons( bitmap );
1458 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1462 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1465 int ibuflen, *rbuflen;
1469 u_int16_t vid, bitmap;
1475 memcpy(&vid, ibuf, sizeof( vid ));
1476 ibuf += sizeof( vid );
1477 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1478 bitmap = ntohs( bitmap );
1479 ibuf += sizeof(bitmap);
1481 if (( vol = getvolbyvid( vid )) == NULL ) {
1482 return( AFPERR_PARAM );
1485 if (vol->v_flags & AFPVOL_RO)
1486 return AFPERR_VLOCK;
1488 /* we can only set the backup date. */
1489 if (bitmap != VOLPBIT_BDATE)
1490 return AFPERR_BITMAP;
1492 memset(&ad, 0, sizeof(ad));
1493 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
1496 return AFPERR_VLOCK;
1498 return AFPERR_ACCESS;
1501 memcpy(&aint, ibuf, sizeof(aint));
1502 ad_setdate(&ad, AD_DATE_BACKUP, aint);
1503 ad_flush(&ad, ADFLAGS_HF);
1504 ad_close(&ad, ADFLAGS_HF);
1509 int wincheck(const struct vol *vol, const char *path)
1513 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
1516 /* empty paths are not allowed */
1517 if ((len = strlen(path)) == 0)
1520 /* leading or trailing whitespaces are not allowed, carriage returns
1521 * and probably other whitespace is okay, tabs are not allowed
1523 if ((path[0] == ' ') || (path[len-1] == ' '))
1526 /* certain characters are not allowed */
1527 if (strpbrk(path, MSWINDOWS_BADCHARS))
1530 /* everything else is okay */