2 * $Id: volume.c,v 1.57 2003-09-03 21:25:38 samnoble 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 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;
382 else if (strcasecmp(p, "utf8") == 0)
383 options[VOLOPT_FLAGS].i_value |= AFPVOL_UTF8;
384 else if (strcasecmp(p, "upriv") == 0)
385 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
387 p = strtok(NULL, ",");
391 } else if (optionok(tmp, "dbpath:", val)) {
392 char t[MAXPATHLEN + 1];
393 if (options[VOLOPT_DBPATH].c_value)
394 free(options[VOLOPT_DBPATH].c_value);
396 volxlate(obj, t, MAXPATHLEN, val, pwd, NULL);
397 options[VOLOPT_DBPATH].c_value = strdup(t + 1);
399 } else if (optionok(tmp, "umask:", val)) {
400 options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
401 } else if (optionok(tmp, "mapchars:",val)) {
402 if (options[VOLOPT_MAPCHARS].c_value)
403 free(options[VOLOPT_MAPCHARS].c_value);
404 options[VOLOPT_MAPCHARS].c_value = strdup(val + 1);
406 } else if (optionok(tmp, "password:", val)) {
407 if (options[VOLOPT_PASSWORD].c_value)
408 free(options[VOLOPT_PASSWORD].c_value);
409 options[VOLOPT_PASSWORD].c_value = strdup(val + 1);
413 /* this code allows forced uid/gid per volume settings */
414 } else if (optionok(tmp, "forceuid:", val)) {
415 if (options[VOLOPT_FORCEUID].c_value)
416 free(options[VOLOPT_FORCEUID].c_value);
417 options[VOLOPT_FORCEUID].c_value = strdup(val + 1);
418 } else if (optionok(tmp, "forcegid:", val)) {
419 if (options[VOLOPT_FORCEGID].c_value)
420 free(options[VOLOPT_FORCEGID].c_value);
421 options[VOLOPT_FORCEGID].c_value = strdup(val + 1);
423 #endif /* FORCE_UIDGID */
426 /* ignore unknown options */
427 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
432 static int creatvol(const char *path, char *name, struct vol_option *options)
437 if ( name == NULL || *name == '\0' ) {
438 if ((name = strrchr( path, '/' )) == NULL) {
439 return -1; /* Obviously not a fully qualified path */
442 /* if you wish to share /, you need to specify a name. */
447 for ( volume = volumes; volume; volume = volume->v_next ) {
448 if ( strcasecmp( volume->v_name, name ) == 0 ) {
449 return -1; /* Won't be able to access it, anyway... */
453 vlen = strlen( name );
454 if ( vlen > AFPVOL_NAMELEN ) {
455 vlen = AFPVOL_NAMELEN;
456 name[AFPVOL_NAMELEN] = '\0';
460 (struct vol *)calloc(1, sizeof( struct vol ))) == NULL ) {
461 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
464 if (( volume->v_name =
465 (char *)malloc( vlen + 1 )) == NULL ) {
466 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
470 if (( volume->v_path =
471 (char *)malloc( strlen( path ) + 1 )) == NULL ) {
472 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
473 free(volume->v_name);
478 strcpy( volume->v_name, name);
479 strcpy( volume->v_path, path );
483 #endif /* __svr4__ */
484 volume->v_vid = lastvid++;
485 volume->v_lastdid = 17;
489 /* should we casefold? */
490 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
492 /* shift in some flags */
493 volume->v_flags = options[VOLOPT_FLAGS].i_value;
495 /* read in the code pages */
496 if (options[VOLOPT_CODEPAGE].c_value)
497 codepage_read(volume, options[VOLOPT_CODEPAGE].c_value);
499 if (options[VOLOPT_PASSWORD].c_value)
500 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
502 if (options[VOLOPT_VETO].c_value)
503 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
506 if (options[VOLOPT_DBPATH].c_value)
507 volume->v_dbpath = strdup(options[VOLOPT_DBPATH].c_value);
510 if (options[VOLOPT_UMASK].i_value)
511 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
515 if (options[VOLOPT_FORCEUID].c_value) {
516 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
518 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
521 if (options[VOLOPT_FORCEGID].c_value) {
522 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
524 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
527 #endif /* FORCE_UIDGID */
531 volume->v_next = volumes;
536 static char *myfgets( buf, size, fp )
545 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
546 if ( c == '\n' || c == '\r' ) {
564 /* check access list. this function wants something of the following
566 * @group,name,name2,@group2,name3
568 * a NULL argument allows everybody to have access.
569 * we return three things:
571 * 0: list exists, but name isn't in it
574 static int accessvol(args, name)
578 char buf[MAXPATHLEN + 1], *p;
584 strncpy(buf, args, sizeof(buf));
585 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
589 if (*p == '@') { /* it's a group */
590 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
592 } else if (strcmp(p, name) == 0) /* it's a user name */
594 p = strtok(NULL, ",");
600 static void setextmap( ext, type, creator, user)
601 char *ext, *type, *creator;
607 if (extmap == NULL) {
608 if (( extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
609 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
614 for ( em = extmap, cnt = 0; em->em_ext; em++, cnt++) {
615 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
620 if ( em->em_ext == NULL ) {
621 if (!(extmap = realloc( extmap, sizeof( struct extmap ) * (cnt +2))) ) {
622 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
625 (extmap +cnt +1)->em_ext = NULL;
627 } else if ( !user ) {
633 if (!(em->em_ext = strdup( ext))) {
634 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
638 if ( *type == '\0' ) {
639 memcpy(em->em_type, "????", sizeof( em->em_type ));
641 memcpy(em->em_type, type, sizeof( em->em_type ));
643 if ( *creator == '\0' ) {
644 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
646 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
650 /* -------------------------- */
651 static int extmap_cmp(const void *map1, const void *map2)
653 const struct extmap *em1 = map1;
654 const struct extmap *em2 = map2;
655 return strdiacasecmp(em1->em_ext, em2->em_ext);
658 static void sortextmap( void)
663 if ((em = extmap) == NULL) {
671 qsort(extmap, extmap_cnt, sizeof(struct extmap), extmap_cmp);
678 * Read a volume configuration file and add the volumes contained within to
679 * the global volume list. If p2 is non-NULL, the file that is opened is
682 * Lines that begin with # and blank lines are ignored.
683 * Volume lines are of the form:
684 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
685 * [codepage:<file>] [casefold:<num>]
686 * <extension> TYPE [CREATOR]
688 static int readvolfile(obj, p1, p2, user, pwent)
692 struct passwd *pwent;
695 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
696 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
697 type[ 5 ], creator[ 5 ];
700 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
712 if (NULL == ( fp = fopen( path, "r" )) ) {
716 memset(save_options, 0, sizeof(save_options));
717 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
718 initline( strlen( buf ), buf );
719 parseline( sizeof( path ) - 1, path );
726 /* change the default options for this file */
727 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
729 for (i = 0; i < VOLOPT_NUM; i++) {
730 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
731 path + VOLOPT_DEFAULT_LEN) < 0)
733 volset(save_options, tmp, sizeof(tmp) - 1,
734 obj->options.nlspath, path + VOLOPT_DEFAULT_LEN,
741 if (( p = strchr( path, '/' )) != NULL ) {
749 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
752 strcpy( tmp, pw->pw_dir );
753 if ( p != NULL && *p != '\0' ) {
757 /* Tag a user's home directory with their umask. Note, this will
758 * be overwritten if the user actually specifies a umask: option
759 * for a '~' volume. */
760 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
764 /* send path through variable substitution */
765 if (*path != '~') /* need to copy path to tmp */
768 pwent = getpwnam(obj->username);
769 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL);
771 /* this is sort of braindead. basically, i want to be
772 * able to specify things in any order, but i don't want to
773 * re-write everything.
775 * currently we have 11 options:
783 * options:prodos,crlf,noadouble,ro
786 * namemask:x,y,!z (not implemented yet)
788 memcpy(options, save_options, sizeof(options));
791 /* read in up to 11 possible options */
792 for (i = 0; i < VOLOPT_NUM; i++) {
793 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
796 volset(options, volname, sizeof(volname) - 1,
797 obj->options.nlspath, tmp, obj, pwent);
800 /* check allow/deny lists:
801 allow -> either no list (-1), or in list (1)
802 deny -> either no list (-1), or not in list (0) */
803 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
804 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
806 /* handle read-only behaviour. semantics:
807 * 1) neither the rolist nor the rwlist exist -> rw
808 * 2) rolist exists -> ro if user is in it.
809 * 3) rwlist exists -> ro unless user is in it. */
810 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
811 ((accessvol(options[VOLOPT_ROLIST].c_value,
812 obj->username) == 1) ||
813 !accessvol(options[VOLOPT_RWLIST].c_value,
815 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
817 /* do variable substitution */
818 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path);
819 creatvol(path, tmp, options);
821 volfree(options, save_options);
825 parseline( sizeof( type ) - 1, type );
826 parseline( sizeof( creator ) - 1, creator );
827 setextmap( path, type, creator, user);
834 volfree(save_options, NULL);
836 if ( fclose( fp ) != 0 ) {
837 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
843 static void load_volumes(AFPObj *obj)
845 struct passwd *pwent = getpwnam(obj->username);
847 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
848 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent);
851 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
852 readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent);
855 * Read user's AppleVolumes or .AppleVolumes file
856 * If neither are readable, read the default volumes file. if
857 * that doesn't work, create a user share.
859 if ( readvolfile(obj, pwent->pw_dir, "AppleVolumes", 1, pwent) < 0 &&
860 readvolfile(obj, pwent->pw_dir, ".AppleVolumes", 1, pwent) < 0 &&
861 readvolfile(obj, pwent->pw_dir, "applevolumes", 1, pwent) < 0 &&
862 readvolfile(obj, pwent->pw_dir, ".applevolumes", 1, pwent) < 0 &&
863 obj->options.defaultvol != NULL ) {
864 if (readvolfile(obj, obj->options.defaultvol, NULL, 1, pwent) < 0)
865 creatvol(pwent->pw_dir, NULL, NULL);
868 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
869 readvolfile(obj, obj->options.systemvol, NULL, 0, pwent );
873 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
875 u_int32_t *bfree, *btotal, *bsize;
876 VolSpace *xbfree, *xbtotal;
880 #ifndef NO_QUOTA_SUPPORT
881 VolSpace qfree, qtotal;
882 #endif /* ! NO_QUOTA_SUPPORT */
884 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
885 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
886 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
887 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
888 ? 0x7fffffffL : 0xffffffffL);
891 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
892 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
893 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
894 goto getvolspace_done;
899 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
900 bsize)) != AFP_OK ) {
904 #define min(a,b) ((a)<(b)?(a):(b))
905 #ifndef NO_QUOTA_SUPPORT
906 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
907 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
908 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
909 *xbfree = min(*xbfree, qfree);
910 *xbtotal = min( *xbtotal, qtotal);
911 goto getvolspace_done;
914 #endif /* ! NO_QUOTA_SUPPORT */
915 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
918 *bfree = min( *xbfree, maxsize);
919 *btotal = min( *xbtotal, maxsize);
923 static int getvolparams( bitmap, vol, st, buf, buflen )
931 int bit = 0, isad = 1;
934 u_int32_t bfree, btotal, bsize;
935 VolSpace xbfree, xbtotal; /* extended bytes */
936 char *data, *nameoff = NULL;
939 /* courtesy of jallison@whistle.com:
940 * For MacOS8.x support we need to create the
941 * .Parent file here if it doesn't exist. */
943 memset(&ad, 0, sizeof(ad));
944 if ( ad_open( vol->v_path, vol_noadouble(vol) |
945 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
949 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
950 slash = strrchr( vol->v_path, '/' );
956 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
957 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
958 ad_getentrylen( &ad, ADEID_NAME ));
959 ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st->st_mtime);
960 ad_flush(&ad, ADFLAGS_HF);
963 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
964 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
965 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
966 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
969 ad_close( &ad, ADFLAGS_HF );
971 return( AFPERR_PARAM );
976 while ( bitmap != 0 ) {
977 while (( bitmap & 1 ) == 0 ) {
986 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_db != NULL) {
987 ashort = VOLPBIT_ATTR_FILEID;
990 /* check for read-only.
991 * NOTE: we don't actually set the read-only flag unless
992 * it's passed in that way as it's possible to mount
993 * a read-write filesystem under a read-only one. */
994 if ((vol->v_flags & AFPVOL_RO) ||
995 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
996 ashort |= VOLPBIT_ATTR_RO;
998 ashort |= VOLPBIT_ATTR_CATSEARCH;
999 if (afp_version >= 30) {
1000 ashort |= VOLPBIT_ATTR_UTF8;
1001 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1002 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1004 ashort = htons(ashort);
1005 memcpy(data, &ashort, sizeof( ashort ));
1006 data += sizeof( ashort );
1010 ashort = htons( AFPVOLSIG_DEFAULT );
1011 memcpy(data, &ashort, sizeof( ashort ));
1012 data += sizeof( ashort );
1015 case VOLPBIT_CDATE :
1016 if (!isad || (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0))
1017 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1018 memcpy(data, &aint, sizeof( aint ));
1019 data += sizeof( aint );
1022 case VOLPBIT_MDATE :
1023 if ( st->st_mtime > vol->v_time ) {
1024 vol->v_time = st->st_mtime;
1025 aint = AD_DATE_FROM_UNIX(st->st_mtime);
1027 aint = AD_DATE_FROM_UNIX(vol->v_time);
1029 memcpy(data, &aint, sizeof( aint ));
1030 data += sizeof( aint );
1033 case VOLPBIT_BDATE :
1034 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1035 aint = AD_DATE_START;
1036 memcpy(data, &aint, sizeof( aint ));
1037 data += sizeof( aint );
1041 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1042 data += sizeof( vol->v_vid );
1045 case VOLPBIT_BFREE :
1046 bfree = htonl( bfree );
1047 memcpy(data, &bfree, sizeof( bfree ));
1048 data += sizeof( bfree );
1051 case VOLPBIT_BTOTAL :
1052 btotal = htonl( btotal );
1053 memcpy(data, &btotal, sizeof( btotal ));
1054 data += sizeof( btotal );
1057 #ifndef NO_LARGE_VOL_SUPPORT
1058 case VOLPBIT_XBFREE :
1059 xbfree = hton64( xbfree );
1060 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1061 bcopy(&xbfree, data, sizeof(xbfree));
1062 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1063 memcpy(data, &xbfree, sizeof( xbfree ));
1064 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1065 data += sizeof( xbfree );
1068 case VOLPBIT_XBTOTAL :
1069 xbtotal = hton64( xbtotal );
1070 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1071 bcopy(&xbtotal, data, sizeof(xbtotal));
1072 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1073 memcpy(data, &xbtotal, sizeof( xbtotal ));
1074 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1075 data += sizeof( xbfree );
1077 #endif /* ! NO_LARGE_VOL_SUPPORT */
1081 data += sizeof( u_int16_t );
1084 case VOLPBIT_BSIZE: /* block size */
1085 bsize = htonl(bsize);
1086 memcpy(data, &bsize, sizeof(bsize));
1087 data += sizeof(bsize);
1092 ad_close( &ad, ADFLAGS_HF );
1094 return( AFPERR_BITMAP );
1100 ashort = htons( data - buf );
1101 memcpy(nameoff, &ashort, sizeof( ashort ));
1102 aint = strlen( vol->v_name );
1104 memcpy(data, vol->v_name, aint );
1108 ad_close( &ad, ADFLAGS_HF );
1110 *buflen = data - buf;
1116 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1119 int ibuflen, *rbuflen;
1132 for ( vcnt = 0, volume = volumes; volume; volume = volume->v_next ) {
1133 if ( stat( volume->v_path, &st ) < 0 ) {
1134 LOG(log_info, logtype_afpd, "afp_getsrvrparms: stat %s: %s",
1135 volume->v_path, strerror(errno) );
1136 continue; /* can't access directory */
1138 if (!S_ISDIR(st.st_mode)) {
1139 continue; /* not a dir */
1142 /* set password bit if there's a volume password */
1143 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1145 /* Apple 2 clients running ProDOS-8 expect one volume to have
1146 bit 0 of this byte set. They will not recognize anything
1147 on the server unless this is the case. I have not
1148 completely worked this out, but it's related to booting
1149 from the server. Support for that function is a ways
1150 off.. <shirsch@ibm.net> */
1151 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1152 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1153 len = strlen( volume->v_name );
1155 memcpy(data, volume->v_name, len );
1160 *rbuflen = data - rbuf;
1162 if ( gettimeofday( &tv, 0 ) < 0 ) {
1163 LOG(log_error, logtype_afpd, "afp_getsrvrparms: gettimeofday: %s", strerror(errno) );
1165 return AFPERR_PARAM;
1167 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1168 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1169 data += sizeof( u_int32_t);
1174 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1177 int ibuflen, *rbuflen;
1185 #endif /* CNID_DB */
1188 int len, ret, buflen;
1192 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1193 bitmap = ntohs( bitmap );
1194 ibuf += sizeof( bitmap );
1195 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1196 ret = AFPERR_BITMAP;
1200 len = (unsigned char)*ibuf++;
1201 volname = obj->oldtmp;
1202 memcpy(volname, ibuf, len );
1203 *(volname + len) = '\0';
1205 if ((len + 1) & 1) /* pad to an even boundary */
1211 for ( volume = volumes; volume; volume = volume->v_next ) {
1212 if ( strcasecmp( volname, volume->v_name ) == 0 ) {
1217 if ( volume == NULL ) {
1222 /* check for a volume password */
1223 if (volume->v_password &&
1224 strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1225 ret = AFPERR_ACCESS;
1230 if (afp_version >= 30) {
1231 volume->max_filename = 255;
1234 volume->max_filename = MACFILELEN;
1236 if (( volume->v_flags & AFPVOL_OPEN ) == 0 ) {
1237 /* FIXME unix name != mac name */
1238 if ((dir = dirnew(volume->v_name, volume->v_name) ) == NULL) {
1239 LOG(log_error, logtype_afpd, "afp_openvol: malloc: %s", strerror(errno) );
1243 dir->d_did = DIRDID_ROOT;
1244 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1245 volume->v_dir = volume->v_root = dir;
1246 volume->v_flags |= AFPVOL_OPEN;
1248 volume->v_db = NULL;
1256 set_uidgid ( volume );
1257 #endif /* FORCE_UIDGID */
1259 if ( stat( volume->v_path, &st ) < 0 ) {
1264 if ( chdir( volume->v_path ) < 0 ) {
1268 curdir = volume->v_dir;
1272 if (volume->v_dbpath)
1273 volume->v_db = cnid_open (volume->v_dbpath, volume->v_umask);
1274 if (volume->v_db == NULL)
1275 volume->v_db = cnid_open (volume->v_path, volume->v_umask);
1276 if (volume->v_db == NULL) {
1278 * - mount the volume readonly
1280 * - read/write with other scheme
1284 #endif /* CNID_DB */
1286 buflen = *rbuflen - sizeof( bitmap );
1287 if (( ret = getvolparams( bitmap, volume, &st,
1288 rbuf + sizeof(bitmap), &buflen )) != AFP_OK ) {
1292 volume->v_utf8toucs2 = (iconv_t)(-1);
1293 volume->v_ucs2toutf8 = (iconv_t)(-1);
1294 volume->v_mactoutf8 = (iconv_t)(-1);
1295 volume->v_ucs2tomac = (iconv_t)(-1);
1297 if (vol_utf8(volume)) {
1298 if ((iconv_t)(-1) == (volume->v_utf8toucs2 = iconv_open("UCS-2LE", "UTF-8"))) {
1299 LOG(log_error, logtype_afpd, "openvol: no UTF8 to UCS-2LE");
1302 if ((iconv_t)(-1) == (volume->v_ucs2toutf8 = iconv_open("UTF-8", "UCS-2LE"))) {
1303 LOG(log_error, logtype_afpd, "openvol: no UCS-2LE to UTF-8");
1304 goto openvol_err_iconv;
1306 if ((iconv_t)(-1) == (volume->v_mactoutf8 = iconv_open("UTF-8", "MAC"))) {
1307 LOG(log_error, logtype_afpd, "openvol: no MAC to UTF-8");
1308 goto openvol_err_iconv;
1310 if ((iconv_t)(-1) == (volume->v_ucs2tomac = iconv_open("MAC", "UCS-2LE"))) {
1311 LOG(log_error, logtype_afpd, "openvol: no UCS-2LE to MAC");
1312 goto openvol_err_iconv;
1316 *rbuflen = buflen + sizeof( bitmap );
1317 bitmap = htons( bitmap );
1318 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1322 * If you mount a volume twice, the second time the trash appears on
1323 * the desk-top. That's because the Mac remembers the DID for the
1324 * trash (even for volumes in different zones, on different servers).
1325 * Just so this works better, we prime the DID cache with the trash,
1326 * fixing the trash at DID 17.
1329 cname( volume, volume->v_dir, &p );
1330 #endif /* CNID_DB */
1335 if (volume->v_utf8toucs2 != (iconv_t)(-1))
1336 iconv_close(volume->v_utf8toucs2);
1337 if (volume->v_ucs2toutf8 != (iconv_t)(-1))
1338 iconv_close(volume->v_ucs2toutf8);
1339 if (volume->v_mactoutf8 != (iconv_t)(-1))
1340 iconv_close(volume->v_mactoutf8);
1341 if (volume->v_ucs2tomac != (iconv_t)(-1))
1342 iconv_close(volume->v_ucs2tomac);
1346 if (opened && volume->v_db != NULL) {
1347 cnid_close(volume->v_db);
1348 volume->v_db = NULL;
1355 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1358 int ibuflen, *rbuflen;
1360 struct vol *vol, *ovol;
1365 memcpy(&vid, ibuf, sizeof( vid ));
1366 if (NULL == ( vol = getvolbyvid( vid )) ) {
1367 return( AFPERR_PARAM );
1370 vol->v_flags &= ~AFPVOL_OPEN;
1371 for ( ovol = volumes; ovol; ovol = ovol->v_next ) {
1372 if ( ovol->v_flags & AFPVOL_OPEN ) {
1376 if ( ovol != NULL ) {
1377 /* Even if chdir fails, we can't say afp_closevol fails. */
1378 if ( chdir( ovol->v_path ) == 0 ) {
1379 curdir = ovol->v_dir;
1382 dirfree( vol->v_root );
1385 cnid_close(vol->v_db);
1387 #endif /* CNID_DB */
1391 struct vol *getvolbyvid(const u_int16_t vid )
1395 for ( vol = volumes; vol; vol = vol->v_next ) {
1396 if ( vid == vol->v_vid ) {
1400 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1406 #endif /* FORCE_UIDGID */
1411 /* ------------------------ */
1412 static int ext_cmp_key(const void *key, const void *obj)
1414 const char *p = key;
1415 const struct extmap *em = obj;
1416 return strdiacasecmp(p, em->em_ext);
1418 struct extmap *getextmap(const char *path)
1423 if (NULL == ( p = strrchr( path, '.' )) ) {
1424 return( defextmap );
1427 if (!*p || !extmap_cnt) {
1428 return( defextmap );
1430 em = bsearch(p, extmap, extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1434 return( defextmap );
1438 struct extmap *getdefextmap(void)
1440 return( defextmap );
1444 poll if a volume is changed by other processes.
1446 int pollvoltime(obj)
1453 if (!(afp_version > 21 && obj->options.server_notif))
1456 if ( gettimeofday( &tv, 0 ) < 0 )
1459 for ( vol = volumes; vol; vol = vol->v_next ) {
1460 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_time + 30 < tv.tv_sec) {
1461 if ( !stat( vol->v_path, &st ) && vol->v_time != st.st_mtime ) {
1462 vol->v_time = st.st_mtime;
1463 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1472 void setvoltime(obj, vol )
1478 /* just looking at vol->v_time is broken seriously since updates
1479 * from other users afpd processes never are seen.
1480 * This is not the most elegant solution (a shared memory between
1481 * the afpd processes would come closer)
1484 if ( gettimeofday( &tv, 0 ) < 0 ) {
1485 LOG(log_error, logtype_afpd, "setvoltime: gettimeofday: %s", strerror(errno) );
1488 if( utime( vol->v_path, NULL ) < 0 ) {
1489 /* write of time failed ... probably a read only filesys,
1490 * where no other users can interfere, so there's no issue here
1494 /* a little granularity */
1495 if (vol->v_time < tv.tv_sec) {
1496 vol->v_time = tv.tv_sec;
1497 if (afp_version > 21 && obj->options.server_notif) {
1498 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1503 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1506 int ibuflen, *rbuflen;
1511 u_int16_t vid, bitmap;
1514 memcpy(&vid, ibuf, sizeof( vid ));
1515 ibuf += sizeof( vid );
1516 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1517 bitmap = ntohs( bitmap );
1519 if (NULL == ( vol = getvolbyvid( vid )) ) {
1521 return( AFPERR_PARAM );
1524 if ( stat( vol->v_path, &st ) < 0 ) {
1526 return( AFPERR_PARAM );
1529 buflen = *rbuflen - sizeof( bitmap );
1530 if (( ret = getvolparams( bitmap, vol, &st,
1531 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1535 *rbuflen = buflen + sizeof( bitmap );
1536 bitmap = htons( bitmap );
1537 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1541 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1544 int ibuflen, *rbuflen;
1548 u_int16_t vid, bitmap;
1554 memcpy(&vid, ibuf, sizeof( vid ));
1555 ibuf += sizeof( vid );
1556 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1557 bitmap = ntohs( bitmap );
1558 ibuf += sizeof(bitmap);
1560 if (( vol = getvolbyvid( vid )) == NULL ) {
1561 return( AFPERR_PARAM );
1564 if (vol->v_flags & AFPVOL_RO)
1565 return AFPERR_VLOCK;
1567 /* we can only set the backup date. */
1568 if (bitmap != (1 << VOLPBIT_BDATE))
1569 return AFPERR_BITMAP;
1571 memset(&ad, 0, sizeof(ad));
1572 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
1575 return AFPERR_VLOCK;
1577 return AFPERR_ACCESS;
1580 memcpy(&aint, ibuf, sizeof(aint));
1581 ad_setdate(&ad, AD_DATE_BACKUP, aint);
1582 ad_flush(&ad, ADFLAGS_HF);
1583 ad_close(&ad, ADFLAGS_HF);
1588 int wincheck(const struct vol *vol, const char *path)
1592 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
1595 /* empty paths are not allowed */
1596 if ((len = strlen(path)) == 0)
1599 /* leading or trailing whitespaces are not allowed, carriage returns
1600 * and probably other whitespace is okay, tabs are not allowed
1602 if ((path[0] == ' ') || (path[len-1] == ' '))
1605 /* certain characters are not allowed */
1606 if (strpbrk(path, MSWINDOWS_BADCHARS))
1609 /* everything else is okay */
1619 for ( vol = volumes; vol; vol = vol->v_next ) {
1620 if ( (vol->v_flags & AFPVOL_OPEN ) == 0 )
1623 cnid_close(vol->v_db);