2 * $Id: volume.c,v 1.51.2.7.2.17 2004-01-14 23:15:19 lenneis Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
22 #endif /* HAVE_FCNTL_H */
29 #else /* STDC_HEADERS */
33 #endif /* HAVE_STRCHR */
34 char *strchr (), *strrchr ();
36 #define memcpy(d,s,n) bcopy ((s), (d), (n))
37 #define memmove(d,s,n) bcopy ((s), (d), (n))
38 #endif /* ! HAVE_MEMCPY */
39 #endif /* STDC_HEADERS */
41 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <arpa/inet.h>
47 #include <netatalk/endian.h>
48 #include <atalk/asp.h>
49 #include <atalk/dsi.h>
50 #include <atalk/adouble.h>
51 #include <atalk/afp.h>
52 #include <atalk/util.h>
53 #include <atalk/logger.h>
55 #include <atalk/cnid.h>
59 #include "directory.h"
64 extern int afprun(int root, char *cmd, int *outfd);
67 #define MIN(a, b) ((a) < (b) ? (a) : (b))
70 #ifndef NO_LARGE_VOL_SUPPORT
71 #if BYTE_ORDER == BIG_ENDIAN
74 #else /* BYTE_ORDER == BIG_ENDIAN */
75 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
76 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
77 #define ntoh64(x) (hton64(x))
78 #endif /* BYTE_ORDER == BIG_ENDIAN */
79 #endif /* ! NO_LARGE_VOL_SUPPORT */
81 static struct vol *Volumes = NULL;
82 static u_int16_t lastvid = 0;
83 static char *Trash = "\02\024Network Trash Folder";
85 static struct extmap *Extmap = NULL, *Defextmap = NULL;
86 static int Extmap_cnt;
87 static void free_extmap(void);
89 #define VOLOPT_ALLOW 0 /* user allow list */
90 #define VOLOPT_DENY 1 /* user deny list */
91 #define VOLOPT_RWLIST 2 /* user rw list */
92 #define VOLOPT_ROLIST 3 /* user ro list */
93 #define VOLOPT_PASSWORD 4 /* volume password */
94 #define VOLOPT_CASEFOLD 5 /* character case mangling */
95 #define VOLOPT_FLAGS 6 /* various flags */
96 #define VOLOPT_DBPATH 7 /* path to database */
97 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
98 m and u can be double-byte hex
103 !u -> make u illegal always
104 ~u -> make u illegal only as the first
105 part of a double-byte character.
107 #define VOLOPT_VETO 10 /* list of veto filespec */
108 #define VOLOPT_PREEXEC 11 /* preexec command */
109 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
111 #define VOLOPT_POSTEXEC 13 /* postexec command */
112 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
114 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
115 #define VOLOPT_MACCHARSET 16
116 #define VOLOPT_CNIDSCHEME 17
117 #define VOLOPT_ADOUBLE 18 /* adouble version */
122 #define VOLOPT_FORCEUID 19 /* force uid for username x */
123 #define VOLOPT_FORCEGID 20 /* force gid for group x */
124 #define VOLOPT_UMASK 21
126 #define VOLOPT_UMASK 19
127 #endif /* FORCE_UIDGID */
129 #define VOLOPT_MAX (VOLOPT_UMASK +1)
131 #define VOLOPT_NUM (VOLOPT_MAX + 1)
134 #define VOLOPT_DEFAULT ":DEFAULT:"
135 #define VOLOPT_DEFAULT_LEN 9
141 typedef struct _special_folder {
148 static const _special_folder special_folders[] = {
149 {"Network Trash Folder", 1, 0777, 1},
150 {"Temporary Items", 1, 0777, 1},
152 {"TheFindByContentFolder", 0, 0, 1},
153 {"TheVolumeSettingsFolder", 0, 0, 1},
157 static void handle_special_folders (const struct vol *);
159 static __inline__ void volfree(struct vol_option *options,
160 const struct vol_option *save)
165 for (i = 0; i < VOLOPT_MAX; i++) {
166 if (options[i].c_value && (options[i].c_value != save[i].c_value))
167 free(options[i].c_value);
170 for (i = 0; i < VOLOPT_MAX; i++) {
171 if (options[i].c_value)
172 free(options[i].c_value);
178 /* handle variable substitutions. here's what we understand:
179 * $b -> basename of path
180 * $c -> client ip/appletalk address
181 * $d -> volume pathname on server
182 * $f -> full name (whatever's in the gecos field)
185 * $i -> client ip/appletalk address without port
186 * $s -> server name (hostname if it doesn't exist)
187 * $u -> username (guest is usually nobody)
188 * $v -> volume name (ADEID_NAME or basename if ADEID_NAME is empty)
189 * $z -> zone (may not exist)
192 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
194 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
195 char *src, struct passwd *pwd, char *path)
205 dest = calloc(destlen +1, 1);
211 strncpy(dest, src, destlen);
212 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
215 /* first part of the path. just forward to the next variable. */
216 len = MIN(p - src, destlen);
222 while (p && destlen > 0) {
223 /* now figure out what the variable is */
225 if (is_var(p, "$b")) {
227 if ((q = strrchr(path, '/')) == NULL)
229 else if (*(q + 1) != '\0')
232 } else if (is_var(p, "$c")) {
233 if (obj->proto == AFPPROTO_ASP) {
234 ASP asp = obj->handle;
236 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
237 asp->asp_sat.sat_addr.s_node);
241 } else if (obj->proto == AFPPROTO_DSI) {
242 DSI *dsi = obj->handle;
244 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
245 ntohs(dsi->client.sin_port));
249 } else if (is_var(p, "$d")) {
251 } else if (is_var(p, "$f")) {
252 if ((q = strchr(pwd->pw_gecos, ',')))
255 } else if (is_var(p, "$g")) {
256 struct group *grp = getgrgid(pwd->pw_gid);
259 } else if (is_var(p, "$h")) {
260 q = obj->options.hostname;
261 } else if (is_var(p, "$i")) {
262 if (obj->proto == AFPPROTO_ASP) {
263 ASP asp = obj->handle;
265 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
269 } else if (obj->proto == AFPPROTO_DSI) {
270 DSI *dsi = obj->handle;
272 q = inet_ntoa(dsi->client.sin_addr);
274 } else if (is_var(p, "$s")) {
277 else if (obj->options.server) {
278 q = obj->options.server;
280 q = obj->options.hostname;
281 } else if (is_var(p, "$u")) {
283 } else if (is_var(p, "$v")) {
288 if (ad_open(path, ADFLAGS_HF, O_RDONLY, 0, &ad) < 0)
291 if ((len = MIN(ad_getentrylen(&ad, ADEID_NAME), destlen)) > 0) {
292 memcpy(dest, ad_entry(&ad, ADEID_NAME), len);
293 ad_close(&ad, ADFLAGS_HF);
297 ad_close(&ad, ADFLAGS_HF);
298 no_volname: /* simple basename */
299 if ((q = strrchr(path, '/')) == NULL)
301 else if (*(q + 1) != '\0')
305 } else if (is_var(p, "$z")) {
307 } else if (is_var(p, "$$")) {
312 /* copy the stuff over. if we don't understand something that we
313 * should, just skip it over. */
315 len = MIN(p == q ? 2 : strlen(q), destlen);
316 strncpy(dest, q, len);
321 /* stuff up to next $ */
323 p = strchr(src, '$');
324 len = p ? MIN(p - src, destlen) : destlen;
326 strncpy(dest, src, len);
334 /* to make sure that val is valid, make sure to select an opt that
336 static int optionok(const char *buf, const char *opt, const char *val)
338 if (!strstr(buf,opt))
346 /* -------------------- */
347 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
349 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
350 free(options[opt].c_value);
351 options[opt].c_value = strdup(val + 1);
354 /* ------------------------------------------
355 handle all the options. tmp can't be NULL. */
356 static void volset(struct vol_option *options, struct vol_option *save,
357 char *volname, int vlen,
362 val = strchr(tmp, ':');
364 /* we'll assume it's a volume name. */
365 strncpy(volname, tmp, vlen);
370 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
372 if (optionok(tmp, "allow:", val)) {
373 setoption(options, save, VOLOPT_ALLOW, val);
375 } else if (optionok(tmp, "deny:", val)) {
376 setoption(options, save, VOLOPT_DENY, val);
378 } else if (optionok(tmp, "rwlist:", val)) {
379 setoption(options, save, VOLOPT_RWLIST, val);
381 } else if (optionok(tmp, "rolist:", val)) {
382 setoption(options, save, VOLOPT_ROLIST, val);
384 } else if (optionok(tmp, "codepage:", val)) {
385 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
386 /* Make sure we don't screw anything */
388 } else if (optionok(tmp, "volcharset:", val)) {
389 setoption(options, save, VOLOPT_ENCODING, val);
390 } else if (optionok(tmp, "maccharset:", val)) {
391 setoption(options, save, VOLOPT_MACCHARSET, val);
392 } else if (optionok(tmp, "veto:", val)) {
393 setoption(options, save, VOLOPT_VETO, val);
394 } else if (optionok(tmp, "cnidscheme:", val)) {
395 setoption(options, save, VOLOPT_CNIDSCHEME, val);
396 } else if (optionok(tmp, "casefold:", val)) {
397 if (strcasecmp(val + 1, "tolower") == 0)
398 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
399 else if (strcasecmp(val + 1, "toupper") == 0)
400 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
401 else if (strcasecmp(val + 1, "xlatelower") == 0)
402 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
403 else if (strcasecmp(val + 1, "xlateupper") == 0)
404 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
405 } else if (optionok(tmp, "adouble:", val)) {
406 if (strcasecmp(val + 1, "v1") == 0)
407 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
408 #if AD_VERSION == AD_VERSION2
409 else if (strcasecmp(val + 1, "v2") == 0)
410 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
412 } else if (optionok(tmp, "options:", val)) {
415 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
419 if (strcasecmp(p, "prodos") == 0)
420 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
421 else if (strcasecmp(p, "mswindows") == 0) {
422 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS;
423 } else if (strcasecmp(p, "crlf") == 0)
424 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
425 else if (strcasecmp(p, "noadouble") == 0)
426 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
427 else if (strcasecmp(p, "ro") == 0)
428 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
429 else if (strcasecmp(p, "nohex") == 0)
430 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
431 else if (strcasecmp(p, "usedots") == 0)
432 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
433 else if (strcasecmp(p, "limitsize") == 0)
434 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
435 /* support for either "dropbox" or "dropkludge" */
436 else if (strcasecmp(p, "dropbox") == 0)
437 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
438 else if (strcasecmp(p, "dropkludge") == 0)
439 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
440 else if (strcasecmp(p, "nofileid") == 0)
441 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
442 else if (strcasecmp(p, "nostat") == 0)
443 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
444 else if (strcasecmp(p, "preexec_close") == 0)
445 options[VOLOPT_PREEXEC].i_value = 1;
446 else if (strcasecmp(p, "root_preexec_close") == 0)
447 options[VOLOPT_ROOTPREEXEC].i_value = 1;
448 else if (strcasecmp(p, "upriv") == 0)
449 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
450 else if (strcasecmp(p, "nodev") == 0)
451 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
453 p = strtok(NULL, ",");
456 } else if (optionok(tmp, "dbpath:", val)) {
457 setoption(options, save, VOLOPT_DBPATH, val);
459 } else if (optionok(tmp, "umask:", val)) {
460 options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
461 } else if (optionok(tmp, "mapchars:",val)) {
462 setoption(options, save, VOLOPT_MAPCHARS, val);
464 } else if (optionok(tmp, "password:", val)) {
465 setoption(options, save, VOLOPT_PASSWORD, val);
469 /* this code allows forced uid/gid per volume settings */
470 } else if (optionok(tmp, "forceuid:", val)) {
471 setoption(options, save, VOLOPT_FORCEUID, val);
472 } else if (optionok(tmp, "forcegid:", val)) {
473 setoption(options, save, VOLOPT_FORCEGID, val);
475 #endif /* FORCE_UIDGID */
476 } else if (optionok(tmp, "root_preexec:", val)) {
477 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
479 } else if (optionok(tmp, "preexec:", val)) {
480 setoption(options, save, VOLOPT_PREEXEC, val);
482 } else if (optionok(tmp, "root_postexec:", val)) {
483 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
485 } else if (optionok(tmp, "postexec:", val)) {
486 setoption(options, save, VOLOPT_POSTEXEC, val);
489 /* ignore unknown options */
490 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
495 /* ----------------- */
496 static void showvol(const ucs2_t *name)
499 for ( volume = Volumes; volume; volume = volume->v_next ) {
500 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
507 /* ------------------------------- */
508 static int creatvol(AFPObj *obj, struct passwd *pwd,
509 char *path, char *name,
510 struct vol_option *options,
511 const int user /* user defined volume */
519 if ( name == NULL || *name == '\0' ) {
520 if ((name = strrchr( path, '/' )) == NULL) {
521 return -1; /* Obviously not a fully qualified path */
524 /* if you wish to share /, you need to specify a name. */
529 vlen = strlen( name );
530 if ( vlen > AFPVOL_NAMELEN ) {
531 vlen = AFPVOL_NAMELEN;
532 name[AFPVOL_NAMELEN] = '\0';
535 /* convert name to UCS2 first */
536 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
539 for ( volume = Volumes; volume; volume = volume->v_next ) {
540 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
541 if (volume->v_deleted) {
545 return -1; /* Won't be able to access it, anyway... */
551 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
552 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
555 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
556 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
560 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
561 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
562 free(volume->v_name);
566 volume->v_hide = hide;
567 strcpy( volume->v_path, path );
571 #endif /* __svr4__ */
572 /* os X start at 1 and use network order ie. 1 2 3 */
573 volume->v_vid = ++lastvid;
574 volume->v_vid = htons(volume->v_vid);
578 /* should we casefold? */
579 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
581 /* shift in some flags */
582 volume->v_flags = options[VOLOPT_FLAGS].i_value;
584 if (options[VOLOPT_PASSWORD].c_value)
585 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
587 if (options[VOLOPT_VETO].c_value)
588 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
590 if (options[VOLOPT_ENCODING].c_value)
591 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
593 if (options[VOLOPT_MACCHARSET].c_value)
594 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
596 if (options[VOLOPT_DBPATH].c_value)
597 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path);
599 if (options[VOLOPT_CNIDSCHEME].c_value)
600 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
602 if (options[VOLOPT_UMASK].i_value)
603 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
605 if (options[VOLOPT_ADOUBLE].i_value)
606 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
608 volume->v_adouble = AD_VERSION;
610 if (options[VOLOPT_FORCEUID].c_value) {
611 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
613 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
616 if (options[VOLOPT_FORCEGID].c_value) {
617 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
619 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
623 if (options[VOLOPT_PREEXEC].c_value)
624 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path);
625 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
627 if (options[VOLOPT_POSTEXEC].c_value)
628 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path);
630 if (options[VOLOPT_ROOTPREEXEC].c_value)
631 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path);
632 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
634 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
635 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path);
639 volume->v_next = Volumes;
644 /* ---------------- */
645 static char *myfgets( buf, size, fp )
654 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
655 if ( c == '\n' || c == '\r' ) {
673 /* check access list. this function wants something of the following
675 * @group,name,name2,@group2,name3
677 * a NULL argument allows everybody to have access.
678 * we return three things:
680 * 0: list exists, but name isn't in it
684 #ifndef NO_REAL_USER_NAME
685 /* authentication is case insensitive
686 * FIXME should we do the same with group name?
688 #define access_strcmp strcasecmp
691 #define access_strcmp strcmp
695 static int accessvol(args, name)
699 char buf[MAXPATHLEN + 1], *p;
705 strncpy(buf, args, sizeof(buf));
706 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
710 if (*p == '@') { /* it's a group */
711 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
713 } else if (access_strcmp(p, name) == 0) /* it's a user name */
715 p = strtok(NULL, ",");
721 static void setextmap( ext, type, creator, user)
722 char *ext, *type, *creator;
728 if (Extmap == NULL) {
729 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
730 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
735 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
736 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
741 if ( em->em_ext == NULL ) {
742 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
743 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
746 (Extmap +cnt +1)->em_ext = NULL;
748 } else if ( !user ) {
754 if (!(em->em_ext = strdup( ext))) {
755 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
759 if ( *type == '\0' ) {
760 memcpy(em->em_type, "????", sizeof( em->em_type ));
762 memcpy(em->em_type, type, sizeof( em->em_type ));
764 if ( *creator == '\0' ) {
765 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
767 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
771 /* -------------------------- */
772 static int extmap_cmp(const void *map1, const void *map2)
774 const struct extmap *em1 = map1;
775 const struct extmap *em2 = map2;
776 return strdiacasecmp(em1->em_ext, em2->em_ext);
779 static void sortextmap( void)
784 if ((em = Extmap) == NULL) {
792 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
797 /* ----------------------
799 static void free_extmap( void)
804 for ( em = Extmap; em->em_ext; em++) {
814 /* ----------------------
816 static int volfile_changed(struct afp_volume_name *p)
826 if (!stat( name, &st) && st.st_mtime > p->mtime) {
827 p->mtime = st.st_mtime;
833 /* ----------------------
834 * Read a volume configuration file and add the volumes contained within to
835 * the global volume list. If p2 is non-NULL, the file that is opened is
838 * Lines that begin with # and blank lines are ignored.
839 * Volume lines are of the form:
840 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
841 * [codepage:<file>] [casefold:<num>]
842 * <extension> TYPE [CREATOR]
844 static int readvolfile(obj, p1, p2, user, pwent)
846 struct afp_volume_name *p1;
849 struct passwd *pwent;
852 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
853 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
854 type[ 5 ], creator[ 5 ];
857 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
865 strcpy( path, p1->name );
872 p1->full_name = strdup(path);
875 if (NULL == ( fp = fopen( path, "r" )) ) {
879 if (fd != -1 && !fstat( fd, &st) ) {
880 p1->mtime = st.st_mtime;
883 memset(save_options, 0, sizeof(save_options));
884 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
885 initline( strlen( buf ), buf );
886 parseline( sizeof( path ) - 1, path );
893 /* change the default options for this file */
894 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
896 for (i = 0; i < VOLOPT_NUM; i++) {
897 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
898 path + VOLOPT_DEFAULT_LEN) < 0)
900 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
901 path + VOLOPT_DEFAULT_LEN);
907 if (( p = strchr( path, '/' )) != NULL ) {
915 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
918 strcpy( tmp, pw->pw_dir );
919 if ( p != NULL && *p != '\0' ) {
923 /* Tag a user's home directory with their umask. Note, this will
924 * be overwritten if the user actually specifies a umask: option
925 * for a '~' volume. */
926 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
930 /* send path through variable substitution */
931 if (*path != '~') /* need to copy path to tmp */
934 pwent = getpwnam(obj->username);
935 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL);
937 /* this is sort of braindead. basically, i want to be
938 * able to specify things in any order, but i don't want to
939 * re-write everything.
941 * currently we have options:
949 * options:prodos,crlf,noadouble,ro...
954 * namemask:x,y,!z (not implemented yet)
956 memcpy(options, save_options, sizeof(options));
959 /* read in up to VOLOP_NUM possible options */
960 for (i = 0; i < VOLOPT_NUM; i++) {
961 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
964 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
967 /* check allow/deny lists:
968 allow -> either no list (-1), or in list (1)
969 deny -> either no list (-1), or not in list (0) */
970 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
971 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
973 /* handle read-only behaviour. semantics:
974 * 1) neither the rolist nor the rwlist exist -> rw
975 * 2) rolist exists -> ro if user is in it.
976 * 3) rwlist exists -> ro unless user is in it. */
977 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
978 ((accessvol(options[VOLOPT_ROLIST].c_value,
979 obj->username) == 1) ||
980 !accessvol(options[VOLOPT_RWLIST].c_value,
982 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
984 /* do variable substitution for volname */
985 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path);
986 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
988 volfree(options, save_options);
992 parseline( sizeof( type ) - 1, type );
993 parseline( sizeof( creator ) - 1, creator );
994 setextmap( path, type, creator, user);
1001 volfree(save_options, NULL);
1003 if ( fclose( fp ) != 0 ) {
1004 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1010 /* ------------------------------- */
1011 static void volume_free(struct vol *vol)
1016 free(vol->v_password);
1018 free(vol->v_volcodepage);
1019 free(vol->v_maccodepage);
1020 free(vol->v_cnidscheme);
1021 free(vol->v_dbpath);
1024 free(vol->v_forceuid);
1025 free(vol->v_forcegid);
1026 #endif /* FORCE_UIDGID */
1029 /* ------------------------------- */
1030 static void free_volumes(void )
1033 struct vol *nvol, *ovol;
1035 for ( vol = Volumes; vol; vol = vol->v_next ) {
1036 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1043 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1046 if (vol->v_name == NULL) {
1047 if (Volumes == vol) {
1052 ovol->v_next = nvol;
1062 /* ------------------------------- */
1063 static void volume_unlink(struct vol *volume)
1065 struct vol *vol, *ovol, *nvol;
1067 if (volume == Volumes) {
1068 Volumes = Volumes->v_next;
1071 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1074 if (vol == volume) {
1075 ovol->v_next = nvol;
1084 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1086 u_int32_t *bfree, *btotal, *bsize;
1087 VolSpace *xbfree, *xbtotal;
1091 #ifndef NO_QUOTA_SUPPORT
1092 VolSpace qfree, qtotal;
1095 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1096 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1097 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1098 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1099 ? 0x7fffffffL : 0xffffffffL);
1102 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1103 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1104 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1105 goto getvolspace_done;
1110 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1111 bsize)) != AFP_OK ) {
1115 #define min(a,b) ((a)<(b)?(a):(b))
1116 #ifndef NO_QUOTA_SUPPORT
1117 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1118 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1119 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1120 *xbfree = min(*xbfree, qfree);
1121 *xbtotal = min( *xbtotal, qtotal);
1122 goto getvolspace_done;
1126 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1129 *bfree = min( *xbfree, maxsize);
1130 *btotal = min( *xbtotal, maxsize);
1134 /* -----------------------
1135 * set volume creation date
1136 * avoid duplicate, well at least it tries
1138 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1141 struct vol *vol = Volumes;
1143 for ( volume = Volumes; volume; volume = volume->v_next ) {
1144 if (volume->v_vid == id) {
1147 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1149 volume = Volumes; /* restart */
1152 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1153 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1156 /* ----------------------- */
1157 static int getvolparams( bitmap, vol, st, buf, buflen )
1165 int bit = 0, isad = 1;
1168 u_int32_t bfree, btotal, bsize;
1169 VolSpace xbfree, xbtotal; /* extended bytes */
1170 char *data, *nameoff = NULL;
1173 /* courtesy of jallison@whistle.com:
1174 * For MacOS8.x support we need to create the
1175 * .Parent file here if it doesn't exist. */
1177 ad_init(&ad, vol->v_adouble);
1178 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1179 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1182 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1184 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1185 slash = strrchr( vol->v_path, '/' );
1189 slash = vol->v_path;
1191 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1192 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1193 ad_getentrylen( &ad, ADEID_NAME ));
1194 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1195 ad_flush(&ad, ADFLAGS_HF);
1198 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1199 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1201 vol->v_ctime = aint;
1204 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1205 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1206 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1207 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1210 ad_close( &ad, ADFLAGS_HF );
1212 return( AFPERR_PARAM );
1217 while ( bitmap != 0 ) {
1218 while (( bitmap & 1 ) == 0 ) {
1226 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1227 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1228 ashort = VOLPBIT_ATTR_FILEID;
1230 /* check for read-only.
1231 * NOTE: we don't actually set the read-only flag unless
1232 * it's passed in that way as it's possible to mount
1233 * a read-write filesystem under a read-only one. */
1234 if ((vol->v_flags & AFPVOL_RO) ||
1235 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1236 ashort |= VOLPBIT_ATTR_RO;
1238 ashort |= VOLPBIT_ATTR_CATSEARCH;
1239 if (afp_version >= 30) {
1240 ashort |= VOLPBIT_ATTR_UTF8;
1241 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1242 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1244 ashort = htons(ashort);
1245 memcpy(data, &ashort, sizeof( ashort ));
1246 data += sizeof( ashort );
1250 ashort = htons( AFPVOLSIG_DEFAULT );
1251 memcpy(data, &ashort, sizeof( ashort ));
1252 data += sizeof( ashort );
1255 case VOLPBIT_CDATE :
1256 aint = vol->v_ctime;
1257 memcpy(data, &aint, sizeof( aint ));
1258 data += sizeof( aint );
1261 case VOLPBIT_MDATE :
1262 if ( st->st_mtime > vol->v_mtime ) {
1263 vol->v_mtime = st->st_mtime;
1265 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1266 memcpy(data, &aint, sizeof( aint ));
1267 data += sizeof( aint );
1270 case VOLPBIT_BDATE :
1271 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1272 aint = AD_DATE_START;
1273 memcpy(data, &aint, sizeof( aint ));
1274 data += sizeof( aint );
1278 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1279 data += sizeof( vol->v_vid );
1282 case VOLPBIT_BFREE :
1283 bfree = htonl( bfree );
1284 memcpy(data, &bfree, sizeof( bfree ));
1285 data += sizeof( bfree );
1288 case VOLPBIT_BTOTAL :
1289 btotal = htonl( btotal );
1290 memcpy(data, &btotal, sizeof( btotal ));
1291 data += sizeof( btotal );
1294 #ifndef NO_LARGE_VOL_SUPPORT
1295 case VOLPBIT_XBFREE :
1296 xbfree = hton64( xbfree );
1297 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1298 bcopy(&xbfree, data, sizeof(xbfree));
1299 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1300 memcpy(data, &xbfree, sizeof( xbfree ));
1301 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1302 data += sizeof( xbfree );
1305 case VOLPBIT_XBTOTAL :
1306 xbtotal = hton64( xbtotal );
1307 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1308 bcopy(&xbtotal, data, sizeof(xbtotal));
1309 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1310 memcpy(data, &xbtotal, sizeof( xbtotal ));
1311 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1312 data += sizeof( xbfree );
1314 #endif /* ! NO_LARGE_VOL_SUPPORT */
1318 data += sizeof( u_int16_t );
1321 case VOLPBIT_BSIZE: /* block size */
1322 bsize = htonl(bsize);
1323 memcpy(data, &bsize, sizeof(bsize));
1324 data += sizeof(bsize);
1329 ad_close( &ad, ADFLAGS_HF );
1331 return( AFPERR_BITMAP );
1337 ashort = htons( data - buf );
1338 memcpy(nameoff, &ashort, sizeof( ashort ));
1339 aint = ucs2_to_charset( (utf8_encoding()?CH_UTF8_MAC:vol->v_maccharset), vol->v_name, data+1, 255);
1349 ad_close( &ad, ADFLAGS_HF );
1351 *buflen = data - buf;
1355 /* ------------------------- */
1356 int static stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1361 if ( stat( vol->v_path, &st ) < 0 ) {
1363 return( AFPERR_PARAM );
1365 /* save the volume device number */
1366 vol->v_dev = st.st_dev;
1368 buflen = *rbuflen - sizeof( bitmap );
1369 if (( ret = getvolparams( bitmap, vol, &st,
1370 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1374 *rbuflen = buflen + sizeof( bitmap );
1375 bitmap = htons( bitmap );
1376 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1381 /* ------------------------------- */
1382 void load_volumes(AFPObj *obj)
1384 struct passwd *pwent;
1389 /* check files date */
1390 if (obj->options.defaultvol.loaded) {
1391 changed = volfile_changed(&obj->options.defaultvol);
1393 if (obj->options.systemvol.loaded) {
1394 changed |= volfile_changed(&obj->options.systemvol);
1396 if (obj->options.uservol.loaded) {
1397 changed |= volfile_changed(&obj->options.uservol);
1406 pwent = getpwnam(obj->username);
1407 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1408 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1411 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1412 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1415 * Read user's AppleVolumes or .AppleVolumes file
1416 * If neither are readable, read the default volumes file. if
1417 * that doesn't work, create a user share.
1419 if (obj->options.uservol.name) {
1420 free(obj->options.uservol.name);
1422 obj->options.uservol.name = strdup(pwent->pw_dir);
1423 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1424 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1425 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1426 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1427 obj->options.defaultvol.name != NULL ) {
1428 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1429 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1432 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1433 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1437 /* ------------------------------- */
1438 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1441 int ibuflen, *rbuflen;
1453 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1454 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1455 if ( stat( volume->v_path, &st ) < 0 ) {
1456 LOG(log_info, logtype_afpd, "afp_getsrvrparms: stat %s: %s",
1457 volume->v_path, strerror(errno) );
1458 continue; /* can't access directory */
1460 if (!S_ISDIR(st.st_mode)) {
1461 continue; /* not a dir */
1464 if (volume->v_hide) {
1465 continue; /* config file changed but the volume was mounted */
1467 /* set password bit if there's a volume password */
1468 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1470 /* Apple 2 clients running ProDOS-8 expect one volume to have
1471 bit 0 of this byte set. They will not recognize anything
1472 on the server unless this is the case. I have not
1473 completely worked this out, but it's related to booting
1474 from the server. Support for that function is a ways
1475 off.. <shirsch@ibm.net> */
1476 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1477 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1479 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1480 &namebuf, volume->v_name);
1484 memcpy(data, namebuf, len );
1490 *rbuflen = data - rbuf;
1492 if ( gettimeofday( &tv, 0 ) < 0 ) {
1493 LOG(log_error, logtype_afpd, "afp_getsrvrparms: gettimeofday: %s", strerror(errno) );
1495 return AFPERR_PARAM;
1497 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1498 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1499 data += sizeof( u_int32_t);
1504 /* -------------------------
1505 * we are the user here
1507 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1510 int ibuflen, *rbuflen;
1524 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1525 bitmap = ntohs( bitmap );
1526 ibuf += sizeof( bitmap );
1527 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1529 return AFPERR_BITMAP;
1532 len = (unsigned char)*ibuf++;
1533 volname = obj->oldtmp;
1534 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1535 ibuf, len, volname, sizeof(obj->oldtmp));
1538 return AFPERR_PARAM;
1542 if ((len + 1) & 1) /* pad to an even boundary */
1547 for ( volume = Volumes; volume; volume = volume->v_next ) {
1548 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1553 if ( volume == NULL ) {
1555 return AFPERR_PARAM;
1558 /* check for a volume password */
1559 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1561 return AFPERR_ACCESS;
1564 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1565 /* the volume is already open */
1567 set_uidgid ( volume );
1569 return stat_vol(bitmap, volume, rbuf, rbuflen);
1572 /* initialize volume variables
1575 if (afp_version >= 30) {
1576 volume->max_filename = 255;
1579 volume->max_filename = MACFILELEN;
1582 volume->v_dir = volume->v_root = NULL;
1584 /* FIXME unix name != mac name */
1586 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1587 volume->v_name, namelen, &vol_mname);
1588 if ( !vol_mname || len <= 0) {
1593 len = convert_string_allocate( CH_UCS2 , volume->v_volcharset, volume->v_name, namelen, &vol_uname);
1595 if ( !vol_uname || len <= 0) {
1601 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1604 LOG(log_error, logtype_afpd, "afp_openvol: malloc: %s", strerror(errno) );
1611 dir->d_did = DIRDID_ROOT;
1612 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1613 volume->v_dir = volume->v_root = dir;
1614 volume->v_flags |= AFPVOL_OPEN;
1615 volume->v_cdb = NULL;
1617 if (volume->v_root_preexec) {
1618 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1619 LOG(log_error, logtype_afpd, "afp_openvol: root preexec : %d", ret );
1626 set_uidgid ( volume );
1629 if (volume->v_preexec) {
1630 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1631 LOG(log_error, logtype_afpd, "afp_openvol: preexec : %d", ret );
1637 if ( stat( volume->v_path, &st ) < 0 ) {
1642 if ( chdir( volume->v_path ) < 0 ) {
1646 curdir = volume->v_dir;
1647 if (volume->v_cnidscheme == NULL) {
1648 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1649 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1652 if (volume->v_dbpath)
1653 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1655 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1656 if (volume->v_cdb == NULL) {
1657 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1658 volume->v_path, volume->v_cnidscheme);
1665 if (!volume->v_volcodepage)
1666 volume->v_volcodepage = strdup("UTF8");
1668 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1669 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1674 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1675 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1678 if (!volume->v_maccodepage)
1679 volume->v_maccodepage = strdup(obj->options.maccodepage);
1681 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1682 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1687 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1688 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1693 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1694 if (ret == AFP_OK) {
1696 handle_special_folders( volume );
1699 * If you mount a volume twice, the second time the trash appears on
1700 * the desk-top. That's because the Mac remembers the DID for the
1701 * trash (even for volumes in different zones, on different servers).
1702 * Just so this works better, we prime the DID cache with the trash,
1703 * fixing the trash at DID 17.
1704 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1706 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1708 /* FIXME find db time stamp */
1709 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1710 LOG (log_error, logtype_afpd, "Fatal error: Unable to get stamp value from CNID backend");
1716 cname( volume, volume->v_dir, &p );
1722 if (volume->v_dir) {
1723 dirfree( volume->v_dir );
1724 volume->v_dir = volume->v_root = NULL;
1727 volume->v_flags &= ~AFPVOL_OPEN;
1728 if (volume->v_cdb != NULL) {
1729 cnid_close(volume->v_cdb);
1730 volume->v_cdb = NULL;
1736 /* ------------------------- */
1737 static void closevol(struct vol *vol)
1742 dirfree( vol->v_root );
1744 if (vol->v_cdb != NULL) {
1745 cnid_close(vol->v_cdb);
1749 if (vol->v_postexec) {
1750 afprun(0, vol->v_postexec, NULL);
1752 if (vol->v_root_postexec) {
1753 afprun(1, vol->v_root_postexec, NULL);
1757 /* ------------------------- */
1758 void close_all_vol(void)
1762 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1763 if ( ovol->v_flags & AFPVOL_OPEN ) {
1764 ovol->v_flags &= ~AFPVOL_OPEN;
1770 /* ------------------------- */
1771 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1774 int ibuflen, *rbuflen;
1776 struct vol *vol, *ovol;
1781 memcpy(&vid, ibuf, sizeof( vid ));
1782 if (NULL == ( vol = getvolbyvid( vid )) ) {
1783 return( AFPERR_PARAM );
1786 vol->v_flags &= ~AFPVOL_OPEN;
1787 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1788 if ( ovol->v_flags & AFPVOL_OPEN ) {
1792 if ( ovol != NULL ) {
1793 /* Even if chdir fails, we can't say afp_closevol fails. */
1794 if ( chdir( ovol->v_path ) == 0 ) {
1795 curdir = ovol->v_dir;
1800 if (vol->v_deleted) {
1801 showvol(vol->v_name);
1809 /* ------------------------- */
1810 struct vol *getvolbyvid(const u_int16_t vid )
1814 for ( vol = Volumes; vol; vol = vol->v_next ) {
1815 if ( vid == vol->v_vid ) {
1819 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1825 #endif /* FORCE_UIDGID */
1830 /* ------------------------ */
1831 static int ext_cmp_key(const void *key, const void *obj)
1833 const char *p = key;
1834 const struct extmap *em = obj;
1835 return strdiacasecmp(p, em->em_ext);
1837 struct extmap *getextmap(const char *path)
1842 if (NULL == ( p = strrchr( path, '.' )) ) {
1843 return( Defextmap );
1846 if (!*p || !Extmap_cnt) {
1847 return( Defextmap );
1849 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1853 return( Defextmap );
1857 /* ------------------------- */
1858 struct extmap *getdefextmap(void)
1860 return( Defextmap );
1863 /* --------------------------
1864 poll if a volume is changed by other processes.
1866 int pollvoltime(obj)
1873 if (!(afp_version > 21 && obj->options.server_notif))
1876 if ( gettimeofday( &tv, 0 ) < 0 )
1879 for ( vol = Volumes; vol; vol = vol->v_next ) {
1880 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1881 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1882 vol->v_mtime = st.st_mtime;
1883 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1892 /* ------------------------- */
1893 void setvoltime(obj, vol )
1899 /* just looking at vol->v_mtime is broken seriously since updates
1900 * from other users afpd processes never are seen.
1901 * This is not the most elegant solution (a shared memory between
1902 * the afpd processes would come closer)
1905 if ( gettimeofday( &tv, 0 ) < 0 ) {
1906 LOG(log_error, logtype_afpd, "setvoltime: gettimeofday: %s", strerror(errno) );
1909 if( utime( vol->v_path, NULL ) < 0 ) {
1910 /* write of time failed ... probably a read only filesys,
1911 * where no other users can interfere, so there's no issue here
1915 /* a little granularity */
1916 if (vol->v_mtime < tv.tv_sec) {
1917 vol->v_mtime = tv.tv_sec;
1919 /* if 0ed, we're sending too many */
1920 if (afp_version > 21 && obj->options.server_notif) {
1921 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1927 /* ------------------------- */
1928 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1931 int ibuflen, *rbuflen;
1934 u_int16_t vid, bitmap;
1937 memcpy(&vid, ibuf, sizeof( vid ));
1938 ibuf += sizeof( vid );
1939 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1940 bitmap = ntohs( bitmap );
1942 if (NULL == ( vol = getvolbyvid( vid )) ) {
1944 return( AFPERR_PARAM );
1947 return stat_vol(bitmap, vol, rbuf, rbuflen);
1950 /* ------------------------- */
1951 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
1954 int ibuflen, *rbuflen;
1958 u_int16_t vid, bitmap;
1964 memcpy(&vid, ibuf, sizeof( vid ));
1965 ibuf += sizeof( vid );
1966 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1967 bitmap = ntohs( bitmap );
1968 ibuf += sizeof(bitmap);
1970 if (( vol = getvolbyvid( vid )) == NULL ) {
1971 return( AFPERR_PARAM );
1974 if (vol->v_flags & AFPVOL_RO)
1975 return AFPERR_VLOCK;
1977 /* we can only set the backup date. */
1978 if (bitmap != (1 << VOLPBIT_BDATE))
1979 return AFPERR_BITMAP;
1981 ad_init(&ad, vol->v_adouble);
1982 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
1985 return AFPERR_VLOCK;
1987 return AFPERR_ACCESS;
1990 memcpy(&aint, ibuf, sizeof(aint));
1991 ad_setdate(&ad, AD_DATE_BACKUP, aint);
1992 ad_flush(&ad, ADFLAGS_HF);
1993 ad_close(&ad, ADFLAGS_HF);
1997 /* ------------------------- */
1998 int wincheck(const struct vol *vol, const char *path)
2002 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2005 /* empty paths are not allowed */
2006 if ((len = strlen(path)) == 0)
2009 /* leading or trailing whitespaces are not allowed, carriage returns
2010 * and probably other whitespace is okay, tabs are not allowed
2012 if ((path[0] == ' ') || (path[len-1] == ' '))
2015 /* certain characters are not allowed */
2016 if (strpbrk(path, MSWINDOWS_BADCHARS))
2019 /* everything else is okay */
2025 * precreate a folder
2026 * this is only intended for folders in the volume root
2027 * It will *not* work if the folder name contains extended characters
2029 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2038 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2040 LOG(log_error, logtype_afpd,"malloc failed");
2043 strcpy(p, vol->v_path);
2045 strcat(p, folder->name);
2047 if ( (ret = stat( p, &st )) < 0 ) {
2048 if (folder->precreate) {
2049 if (ad_mkdir(p, folder->mode)) {
2050 LOG(log_debug, logtype_afpd,"Creating '%s' failed", folder->name);
2058 if ( !ret && folder->hide) {
2060 ad_init(&ad, vol->v_adouble);
2061 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2062 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2066 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2067 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2068 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2069 ad_getentrylen( &ad, ADEID_NAME ));
2072 ad_getattr(&ad, &attr);
2073 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2074 ad_setattr(&ad, attr);
2076 ad_flush( &ad, ADFLAGS_HF );
2077 ad_close( &ad, ADFLAGS_HF );
2083 static void handle_special_folders (const struct vol * vol)
2085 const _special_folder *p = &special_folders[0];
2087 if (vol->v_flags & AFPVOL_RO)
2090 for (; p->name != NULL; p++) {
2091 create_special_folder (vol, p);