2 * $Id: volume.c,v 1.62 2005-06-02 12:32:18 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
26 #else /* STDC_HEADERS */
30 #endif /* HAVE_STRCHR */
31 char *strchr (), *strrchr ();
33 #define memcpy(d,s,n) bcopy ((s), (d), (n))
34 #define memmove(d,s,n) bcopy ((s), (d), (n))
35 #endif /* ! HAVE_MEMCPY */
36 #endif /* STDC_HEADERS */
37 #include <sys/param.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
41 #include <atalk/asp.h>
42 #include <atalk/dsi.h>
43 #include <atalk/adouble.h>
44 #include <atalk/afp.h>
45 #include <atalk/util.h>
46 #include <atalk/logger.h>
48 #include <atalk/cnid.h>
52 #include "directory.h"
58 extern int afprun(int root, char *cmd, int *outfd);
61 #define MIN(a, b) ((a) < (b) ? (a) : (b))
64 #ifndef NO_LARGE_VOL_SUPPORT
65 #if BYTE_ORDER == BIG_ENDIAN
68 #else /* BYTE_ORDER == BIG_ENDIAN */
69 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
70 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
71 #define ntoh64(x) (hton64(x))
72 #endif /* BYTE_ORDER == BIG_ENDIAN */
73 #endif /* ! NO_LARGE_VOL_SUPPORT */
75 static struct vol *Volumes = NULL;
76 static u_int16_t lastvid = 0;
77 static char *Trash = "\02\024Network Trash Folder";
79 static struct extmap *Extmap = NULL, *Defextmap = NULL;
80 static int Extmap_cnt;
81 static void free_extmap(void);
83 #define VOLOPT_ALLOW 0 /* user allow list */
84 #define VOLOPT_DENY 1 /* user deny list */
85 #define VOLOPT_RWLIST 2 /* user rw list */
86 #define VOLOPT_ROLIST 3 /* user ro list */
87 #define VOLOPT_PASSWORD 4 /* volume password */
88 #define VOLOPT_CASEFOLD 5 /* character case mangling */
89 #define VOLOPT_FLAGS 6 /* various flags */
90 #define VOLOPT_DBPATH 7 /* path to database */
91 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
92 m and u can be double-byte hex
97 !u -> make u illegal always
98 ~u -> make u illegal only as the first
99 part of a double-byte character.
101 #define VOLOPT_VETO 10 /* list of veto filespec */
102 #define VOLOPT_PREEXEC 11 /* preexec command */
103 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
105 #define VOLOPT_POSTEXEC 13 /* postexec command */
106 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
108 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
109 #define VOLOPT_MACCHARSET 16
110 #define VOLOPT_CNIDSCHEME 17
111 #define VOLOPT_ADOUBLE 18 /* adouble version */
116 #define VOLOPT_FORCEUID 19 /* force uid for username x */
117 #define VOLOPT_FORCEGID 20 /* force gid for group x */
118 #define VOLOPT_UMASK 21
119 #define VOLOPT_DFLTPERM 22
121 #define VOLOPT_UMASK 19
122 #define VOLOPT_DFLTPERM 20
123 #endif /* FORCE_UIDGID */
125 #define VOLOPT_MAX (VOLOPT_DFLTPERM +1)
127 #define VOLOPT_NUM (VOLOPT_MAX + 1)
130 #define VOLOPT_DEFAULT ":DEFAULT:"
131 #define VOLOPT_DEFAULT_LEN 9
137 typedef struct _special_folder {
144 static const _special_folder special_folders[] = {
145 {"Network Trash Folder", 1, 0777, 1},
146 {"Temporary Items", 1, 0777, 1},
147 {".AppleDesktop", 1, 0777, 0},
149 {"TheFindByContentFolder", 0, 0, 1},
150 {"TheVolumeSettingsFolder", 0, 0, 1},
154 typedef struct _volopt_name {
155 const u_int32_t option;
159 static const _vol_opt_name vol_opt_names[] = {
160 {AFPVOL_A2VOL, "PRODOS"}, /* prodos volume */
161 {AFPVOL_CRLF, "CRLF"}, /* cr/lf translation */
162 {AFPVOL_NOADOUBLE, "NOADOUBLE"}, /* don't create .AppleDouble by default */
163 {AFPVOL_RO, "READONLY"}, /* read-only volume */
164 {AFPVOL_MSWINDOWS, "MSWINDOWS"}, /* deal with ms-windows yuckiness. this is going away. */
165 {AFPVOL_NOHEX, "NOHEX"}, /* don't do :hex translation */
166 {AFPVOL_USEDOTS, "USEDOTS"}, /* use real dots */
167 {AFPVOL_LIMITSIZE, "LIMITSIZE"}, /* limit size for older macs */
168 {AFPVOL_MAPASCII, "MAPASCII"}, /* map the ascii range as well */
169 {AFPVOL_DROPBOX, "DROPBOX"}, /* dropkludge dropbox support */
170 {AFPVOL_NOFILEID, "NOFILEID"}, /* don't advertise createid resolveid and deleteid calls */
171 {AFPVOL_NOSTAT, "NOSTAT"}, /* advertise the volume even if we can't stat() it
172 * maybe because it will be mounted later in preexec */
173 {AFPVOL_UNIX_PRIV, "UNIXPRIV"}, /* support unix privileges */
174 {AFPVOL_NODEV, "NODEV"}, /* always use 0 for device number in cnid calls */
175 {AFPVOL_CASEINSEN, "CASEINSENSITIVE"}, /* volume is case insensitive */
176 {AFPVOL_EILSEQ, "ILLEGALSEQ"}, /* encode illegal sequence */
177 {AFPVOL_CACHE, "CACHE ID"}, /* encode illegal sequence */
181 static const _vol_opt_name vol_opt_casefold[] = {
182 {AFPVOL_MTOUUPPER, "MTOULOWER"},
183 {AFPVOL_MTOULOWER, "MTOULOWER"},
184 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
185 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
189 static void handle_special_folders (const struct vol *);
190 static int savevoloptions (const struct vol *);
191 static void deletevol(struct vol *vol);
193 static __inline__ void volfree(struct vol_option *options,
194 const struct vol_option *save)
199 for (i = 0; i < VOLOPT_MAX; i++) {
200 if (options[i].c_value && (options[i].c_value != save[i].c_value))
201 free(options[i].c_value);
204 for (i = 0; i < VOLOPT_MAX; i++) {
205 if (options[i].c_value)
206 free(options[i].c_value);
212 /* handle variable substitutions. here's what we understand:
213 * $b -> basename of path
214 * $c -> client ip/appletalk address
215 * $d -> volume pathname on server
216 * $f -> full name (whatever's in the gecos field)
219 * $i -> client ip/appletalk address without port
220 * $s -> server name (hostname if it doesn't exist)
221 * $u -> username (guest is usually nobody)
222 * $v -> volume name or basename if null
223 * $z -> zone (may not exist)
228 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
230 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
231 char *src, struct passwd *pwd, char *path, char *volname)
241 dest = calloc(destlen +1, 1);
247 strlcpy(dest, src, destlen +1);
248 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
251 /* first part of the path. just forward to the next variable. */
252 len = MIN((size_t)(p - src), destlen);
258 while (p && destlen > 0) {
259 /* now figure out what the variable is */
261 if (is_var(p, "$b")) {
263 if ((q = strrchr(path, '/')) == NULL)
265 else if (*(q + 1) != '\0')
268 } else if (is_var(p, "$c")) {
269 if (obj->proto == AFPPROTO_ASP) {
270 ASP asp = obj->handle;
272 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
273 asp->asp_sat.sat_addr.s_node);
277 } else if (obj->proto == AFPPROTO_DSI) {
278 DSI *dsi = obj->handle;
280 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
281 ntohs(dsi->client.sin_port));
285 } else if (is_var(p, "$d")) {
287 } else if (is_var(p, "$f")) {
288 if ((q = strchr(pwd->pw_gecos, ',')))
291 } else if (is_var(p, "$g")) {
292 struct group *grp = getgrgid(pwd->pw_gid);
295 } else if (is_var(p, "$h")) {
296 q = obj->options.hostname;
297 } else if (is_var(p, "$i")) {
298 if (obj->proto == AFPPROTO_ASP) {
299 ASP asp = obj->handle;
301 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
305 } else if (obj->proto == AFPPROTO_DSI) {
306 DSI *dsi = obj->handle;
308 q = inet_ntoa(dsi->client.sin_addr);
310 } else if (is_var(p, "$s")) {
313 else if (obj->options.server) {
314 q = obj->options.server;
316 q = obj->options.hostname;
317 } else if (is_var(p, "$u")) {
319 } else if (is_var(p, "$v")) {
324 if ((q = strrchr(path, '/')) == NULL)
326 else if (*(q + 1) != '\0')
329 } else if (is_var(p, "$z")) {
331 } else if (is_var(p, "$$")) {
336 /* copy the stuff over. if we don't understand something that we
337 * should, just skip it over. */
339 len = MIN(p == q ? 2 : strlen(q), destlen);
340 strncpy(dest, q, len);
345 /* stuff up to next $ */
347 p = strchr(src, '$');
348 len = p ? MIN((size_t)(p - src), destlen) : destlen;
350 strncpy(dest, src, len);
358 /* to make sure that val is valid, make sure to select an opt that
360 static int optionok(const char *buf, const char *opt, const char *val)
362 if (!strstr(buf,opt))
370 /* -------------------- */
371 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
373 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
374 free(options[opt].c_value);
375 options[opt].c_value = strdup(val + 1);
378 /* ------------------------------------------
379 handle all the options. tmp can't be NULL. */
380 static void volset(struct vol_option *options, struct vol_option *save,
381 char *volname, int vlen,
386 val = strchr(tmp, ':');
388 /* we'll assume it's a volume name. */
389 strncpy(volname, tmp, vlen);
394 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
396 if (optionok(tmp, "allow:", val)) {
397 setoption(options, save, VOLOPT_ALLOW, val);
399 } else if (optionok(tmp, "deny:", val)) {
400 setoption(options, save, VOLOPT_DENY, val);
402 } else if (optionok(tmp, "rwlist:", val)) {
403 setoption(options, save, VOLOPT_RWLIST, val);
405 } else if (optionok(tmp, "rolist:", val)) {
406 setoption(options, save, VOLOPT_ROLIST, val);
408 } else if (optionok(tmp, "codepage:", val)) {
409 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
410 /* Make sure we don't screw anything */
412 } else if (optionok(tmp, "volcharset:", val)) {
413 setoption(options, save, VOLOPT_ENCODING, val);
414 } else if (optionok(tmp, "maccharset:", val)) {
415 setoption(options, save, VOLOPT_MACCHARSET, val);
416 } else if (optionok(tmp, "veto:", val)) {
417 setoption(options, save, VOLOPT_VETO, val);
418 } else if (optionok(tmp, "cnidscheme:", val)) {
419 setoption(options, save, VOLOPT_CNIDSCHEME, val);
420 } else if (optionok(tmp, "casefold:", val)) {
421 if (strcasecmp(val + 1, "tolower") == 0)
422 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
423 else if (strcasecmp(val + 1, "toupper") == 0)
424 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
425 else if (strcasecmp(val + 1, "xlatelower") == 0)
426 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
427 else if (strcasecmp(val + 1, "xlateupper") == 0)
428 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
429 } else if (optionok(tmp, "adouble:", val)) {
430 if (strcasecmp(val + 1, "v1") == 0)
431 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
432 #if AD_VERSION == AD_VERSION2
433 else if (strcasecmp(val + 1, "v2") == 0)
434 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
435 else if (strcasecmp(val + 1, "osx") == 0)
436 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
437 else if (strcasecmp(val + 1, "ads") == 0)
438 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_ADS;
440 } else if (optionok(tmp, "options:", val)) {
443 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
447 if (strcasecmp(p, "prodos") == 0)
448 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
449 else if (strcasecmp(p, "mswindows") == 0) {
450 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
451 } else if (strcasecmp(p, "crlf") == 0)
452 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
453 else if (strcasecmp(p, "noadouble") == 0)
454 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
455 else if (strcasecmp(p, "ro") == 0)
456 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
457 else if (strcasecmp(p, "nohex") == 0)
458 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
459 else if (strcasecmp(p, "usedots") == 0)
460 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
461 else if (strcasecmp(p, "limitsize") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
463 /* support for either "dropbox" or "dropkludge" */
464 else if (strcasecmp(p, "dropbox") == 0)
465 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
466 else if (strcasecmp(p, "dropkludge") == 0)
467 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
468 else if (strcasecmp(p, "nofileid") == 0)
469 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
470 else if (strcasecmp(p, "nostat") == 0)
471 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
472 else if (strcasecmp(p, "preexec_close") == 0)
473 options[VOLOPT_PREEXEC].i_value = 1;
474 else if (strcasecmp(p, "root_preexec_close") == 0)
475 options[VOLOPT_ROOTPREEXEC].i_value = 1;
476 else if (strcasecmp(p, "upriv") == 0)
477 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
478 else if (strcasecmp(p, "nodev") == 0)
479 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
480 else if (strcasecmp(p, "caseinsensitive") == 0)
481 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
482 else if (strcasecmp(p, "illegalseq") == 0)
483 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
484 else if (strcasecmp(p, "cachecnid") == 0)
485 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
487 p = strtok(NULL, ",");
490 } else if (optionok(tmp, "dbpath:", val)) {
491 setoption(options, save, VOLOPT_DBPATH, val);
493 } else if (optionok(tmp, "umask:", val)) {
494 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
495 } else if (optionok(tmp, "perm:", val)) {
496 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
497 } else if (optionok(tmp, "mapchars:",val)) {
498 setoption(options, save, VOLOPT_MAPCHARS, val);
500 } else if (optionok(tmp, "password:", val)) {
501 setoption(options, save, VOLOPT_PASSWORD, val);
505 /* this code allows forced uid/gid per volume settings */
506 } else if (optionok(tmp, "forceuid:", val)) {
507 setoption(options, save, VOLOPT_FORCEUID, val);
508 } else if (optionok(tmp, "forcegid:", val)) {
509 setoption(options, save, VOLOPT_FORCEGID, val);
511 #endif /* FORCE_UIDGID */
512 } else if (optionok(tmp, "root_preexec:", val)) {
513 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
515 } else if (optionok(tmp, "preexec:", val)) {
516 setoption(options, save, VOLOPT_PREEXEC, val);
518 } else if (optionok(tmp, "root_postexec:", val)) {
519 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
521 } else if (optionok(tmp, "postexec:", val)) {
522 setoption(options, save, VOLOPT_POSTEXEC, val);
525 /* ignore unknown options */
526 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
531 /* ----------------- */
532 static void showvol(const ucs2_t *name)
535 for ( volume = Volumes; volume; volume = volume->v_next ) {
536 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
543 /* ------------------------------- */
544 static int creatvol(AFPObj *obj, struct passwd *pwd,
545 char *path, char *name,
546 struct vol_option *options,
547 const int user /* user defined volume */
555 if ( name == NULL || *name == '\0' ) {
556 if ((name = strrchr( path, '/' )) == NULL) {
557 return -1; /* Obviously not a fully qualified path */
560 /* if you wish to share /, you need to specify a name. */
565 vlen = strlen( name );
566 if ( vlen > AFPVOL_NAMELEN ) {
567 vlen = AFPVOL_NAMELEN;
568 name[AFPVOL_NAMELEN] = '\0';
571 /* convert name to UCS2 first */
572 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
575 for ( volume = Volumes; volume; volume = volume->v_next ) {
576 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
577 if (volume->v_deleted) {
578 volume->v_new = hide = 1;
581 return -1; /* Won't be able to access it, anyway... */
587 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
588 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
591 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
592 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
596 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
597 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
598 free(volume->v_name);
602 volume->v_hide = hide;
603 strcpy( volume->v_path, path );
607 #endif /* __svr4__ */
608 /* os X start at 1 and use network order ie. 1 2 3 */
609 volume->v_vid = ++lastvid;
610 volume->v_vid = htons(volume->v_vid);
614 /* should we casefold? */
615 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
617 /* shift in some flags */
618 volume->v_flags = options[VOLOPT_FLAGS].i_value;
620 volume->v_ad_options = 0;
621 if ((volume->v_flags & AFPVOL_NODEV))
622 volume->v_ad_options |= ADVOL_NODEV;
623 if ((volume->v_flags & AFPVOL_CACHE))
624 volume->v_ad_options |= ADVOL_CACHE;
625 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
626 volume->v_ad_options |= ADVOL_UNIXPRIV;
628 if (options[VOLOPT_PASSWORD].c_value)
629 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
631 if (options[VOLOPT_VETO].c_value)
632 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
634 if (options[VOLOPT_ENCODING].c_value)
635 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
637 if (options[VOLOPT_MACCHARSET].c_value)
638 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
640 if (options[VOLOPT_DBPATH].c_value)
641 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
643 if (options[VOLOPT_CNIDSCHEME].c_value)
644 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
646 if (options[VOLOPT_UMASK].i_value)
647 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
649 if (options[VOLOPT_DFLTPERM].i_value)
650 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
652 if (options[VOLOPT_ADOUBLE].i_value)
653 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
655 volume->v_adouble = AD_VERSION;
659 if (options[VOLOPT_FORCEUID].c_value) {
660 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
662 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
665 if (options[VOLOPT_FORCEGID].c_value) {
666 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
668 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
672 if (options[VOLOPT_PREEXEC].c_value)
673 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
674 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
676 if (options[VOLOPT_POSTEXEC].c_value)
677 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
679 if (options[VOLOPT_ROOTPREEXEC].c_value)
680 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
681 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
683 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
684 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
688 volume->v_next = Volumes;
693 /* ---------------- */
694 static char *myfgets( buf, size, fp )
703 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
704 if ( c == '\n' || c == '\r' ) {
722 /* check access list. this function wants something of the following
724 * @group,name,name2,@group2,name3
726 * a NULL argument allows everybody to have access.
727 * we return three things:
729 * 0: list exists, but name isn't in it
733 #ifndef NO_REAL_USER_NAME
734 /* authentication is case insensitive
735 * FIXME should we do the same with group name?
737 #define access_strcmp strcasecmp
740 #define access_strcmp strcmp
744 static int accessvol(args, name)
748 char buf[MAXPATHLEN + 1], *p;
754 strlcpy(buf, args, sizeof(buf));
755 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
759 if (*p == '@') { /* it's a group */
760 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
762 } else if (access_strcmp(p, name) == 0) /* it's a user name */
764 p = strtok(NULL, ",");
770 static void setextmap( ext, type, creator, user)
771 char *ext, *type, *creator;
777 if (Extmap == NULL) {
778 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
779 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
784 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
785 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
790 if ( em->em_ext == NULL ) {
791 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
792 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
795 (Extmap +cnt +1)->em_ext = NULL;
797 } else if ( !user ) {
803 if (!(em->em_ext = strdup( ext))) {
804 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
808 if ( *type == '\0' ) {
809 memcpy(em->em_type, "????", sizeof( em->em_type ));
811 memcpy(em->em_type, type, sizeof( em->em_type ));
813 if ( *creator == '\0' ) {
814 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
816 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
820 /* -------------------------- */
821 static int extmap_cmp(const void *map1, const void *map2)
823 const struct extmap *em1 = map1;
824 const struct extmap *em2 = map2;
825 return strdiacasecmp(em1->em_ext, em2->em_ext);
828 static void sortextmap( void)
833 if ((em = Extmap) == NULL) {
841 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
842 if (*Extmap->em_ext == 0) {
843 /* the first line is really "." the default entry,
844 * we remove the leading '.' in setextmap
851 /* ----------------------
853 static void free_extmap( void)
858 for ( em = Extmap; em->em_ext; em++) {
868 /* ----------------------
870 static int volfile_changed(struct afp_volume_name *p)
880 if (!stat( name, &st) && st.st_mtime > p->mtime) {
881 p->mtime = st.st_mtime;
887 /* ----------------------
888 * Read a volume configuration file and add the volumes contained within to
889 * the global volume list. If p2 is non-NULL, the file that is opened is
892 * Lines that begin with # and blank lines are ignored.
893 * Volume lines are of the form:
894 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
895 * [codepage:<file>] [casefold:<num>]
896 * <extension> TYPE [CREATOR]
898 static int readvolfile(obj, p1, p2, user, pwent)
900 struct afp_volume_name *p1;
903 struct passwd *pwent;
906 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
907 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
908 type[ 5 ], creator[ 5 ];
911 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
919 strcpy( path, p1->name );
926 p1->full_name = strdup(path);
929 if (NULL == ( fp = fopen( path, "r" )) ) {
933 if (fd != -1 && !fstat( fd, &st) ) {
934 p1->mtime = st.st_mtime;
937 memset(save_options, 0, sizeof(save_options));
938 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
939 initline( strlen( buf ), buf );
940 parseline( sizeof( path ) - 1, path );
947 /* change the default options for this file */
948 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
950 for (i = 0; i < VOLOPT_NUM; i++) {
951 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
952 path + VOLOPT_DEFAULT_LEN) < 0)
954 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
955 path + VOLOPT_DEFAULT_LEN);
961 if (( p = strchr( path, '/' )) != NULL ) {
969 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
972 strcpy( tmp, pw->pw_dir );
973 if ( p != NULL && *p != '\0' ) {
977 /* Tag a user's home directory with their umask. Note, this will
978 * be overwritten if the user actually specifies a umask: option
979 * for a '~' volume. */
980 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
984 /* send path through variable substitution */
985 if (*path != '~') /* need to copy path to tmp */
988 pwent = getpwnam(obj->username);
989 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
991 /* this is sort of braindead. basically, i want to be
992 * able to specify things in any order, but i don't want to
993 * re-write everything.
995 * currently we have options:
1003 * options:prodos,crlf,noadouble,ro...
1008 * namemask:x,y,!z (not implemented yet)
1010 memcpy(options, save_options, sizeof(options));
1013 /* read in up to VOLOP_NUM possible options */
1014 for (i = 0; i < VOLOPT_NUM; i++) {
1015 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1018 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1021 /* check allow/deny lists:
1022 allow -> either no list (-1), or in list (1)
1023 deny -> either no list (-1), or not in list (0) */
1024 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1025 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1027 /* handle read-only behaviour. semantics:
1028 * 1) neither the rolist nor the rwlist exist -> rw
1029 * 2) rolist exists -> ro if user is in it.
1030 * 3) rwlist exists -> ro unless user is in it. */
1031 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1032 ((accessvol(options[VOLOPT_ROLIST].c_value,
1033 obj->username) == 1) ||
1034 !accessvol(options[VOLOPT_RWLIST].c_value,
1036 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1038 /* do variable substitution for volname */
1039 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1040 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1042 volfree(options, save_options);
1046 parseline( sizeof( type ) - 1, type );
1047 parseline( sizeof( creator ) - 1, creator );
1048 setextmap( path, type, creator, user);
1055 volfree(save_options, NULL);
1057 if ( fclose( fp ) != 0 ) {
1058 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1064 /* ------------------------------- */
1065 static void volume_free(struct vol *vol)
1070 free(vol->v_password);
1072 free(vol->v_volcodepage);
1073 free(vol->v_maccodepage);
1074 free(vol->v_cnidscheme);
1075 free(vol->v_dbpath);
1078 free(vol->v_forceuid);
1079 free(vol->v_forcegid);
1080 #endif /* FORCE_UIDGID */
1083 /* ------------------------------- */
1084 static void free_volumes(void )
1087 struct vol *nvol, *ovol;
1089 for ( vol = Volumes; vol; vol = vol->v_next ) {
1090 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1097 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1100 if (vol->v_name == NULL) {
1101 if (Volumes == vol) {
1106 ovol->v_next = nvol;
1116 /* ------------------------------- */
1117 static void volume_unlink(struct vol *volume)
1119 struct vol *vol, *ovol, *nvol;
1121 if (volume == Volumes) {
1122 Volumes = Volumes->v_next;
1125 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1128 if (vol == volume) {
1129 ovol->v_next = nvol;
1138 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1140 u_int32_t *bfree, *btotal, *bsize;
1141 VolSpace *xbfree, *xbtotal;
1145 #ifndef NO_QUOTA_SUPPORT
1146 VolSpace qfree, qtotal;
1149 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1150 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1151 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1152 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1153 ? 0x7fffffffL : 0xffffffffL);
1156 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1157 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1158 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1159 goto getvolspace_done;
1164 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1165 bsize)) != AFP_OK ) {
1169 #define min(a,b) ((a)<(b)?(a):(b))
1170 #ifndef NO_QUOTA_SUPPORT
1171 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1172 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1173 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1174 *xbfree = min(*xbfree, qfree);
1175 *xbtotal = min( *xbtotal, qtotal);
1176 goto getvolspace_done;
1180 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1183 *bfree = min( *xbfree, maxsize);
1184 *btotal = min( *xbtotal, maxsize);
1188 /* -----------------------
1189 * set volume creation date
1190 * avoid duplicate, well at least it tries
1192 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1195 struct vol *vol = Volumes;
1197 for ( volume = Volumes; volume; volume = volume->v_next ) {
1198 if (volume->v_vid == id) {
1201 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1203 volume = Volumes; /* restart */
1206 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1207 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1210 /* ----------------------- */
1211 static int getvolparams( bitmap, vol, st, buf, buflen )
1219 int bit = 0, isad = 1;
1222 u_int32_t bfree, btotal, bsize;
1223 VolSpace xbfree, xbtotal; /* extended bytes */
1224 char *data, *nameoff = NULL;
1227 /* courtesy of jallison@whistle.com:
1228 * For MacOS8.x support we need to create the
1229 * .Parent file here if it doesn't exist. */
1231 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1232 if ( ad_open_metadata( vol->v_path, vol_noadouble(vol) | ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1234 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1236 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1237 slash = strrchr( vol->v_path, '/' );
1241 slash = vol->v_path;
1242 if (ad_getentryoff(&ad, ADEID_NAME)) {
1243 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1244 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1245 ad_getentrylen( &ad, ADEID_NAME ));
1247 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1248 ad_flush_metadata(&ad);
1251 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1252 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1254 vol->v_ctime = aint;
1257 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1258 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1259 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1260 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1263 ad_close( &ad, ADFLAGS_HF );
1265 return( AFPERR_PARAM );
1270 while ( bitmap != 0 ) {
1271 while (( bitmap & 1 ) == 0 ) {
1279 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1280 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1281 ashort = VOLPBIT_ATTR_FILEID;
1283 /* check for read-only.
1284 * NOTE: we don't actually set the read-only flag unless
1285 * it's passed in that way as it's possible to mount
1286 * a read-write filesystem under a read-only one. */
1287 if ((vol->v_flags & AFPVOL_RO) ||
1288 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1289 ashort |= VOLPBIT_ATTR_RO;
1291 ashort |= VOLPBIT_ATTR_CATSEARCH;
1292 if (afp_version >= 30) {
1293 ashort |= VOLPBIT_ATTR_UTF8;
1294 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1295 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1297 ashort = htons(ashort);
1298 memcpy(data, &ashort, sizeof( ashort ));
1299 data += sizeof( ashort );
1303 ashort = htons( AFPVOLSIG_DEFAULT );
1304 memcpy(data, &ashort, sizeof( ashort ));
1305 data += sizeof( ashort );
1308 case VOLPBIT_CDATE :
1309 aint = vol->v_ctime;
1310 memcpy(data, &aint, sizeof( aint ));
1311 data += sizeof( aint );
1314 case VOLPBIT_MDATE :
1315 if ( st->st_mtime > vol->v_mtime ) {
1316 vol->v_mtime = st->st_mtime;
1318 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1319 memcpy(data, &aint, sizeof( aint ));
1320 data += sizeof( aint );
1323 case VOLPBIT_BDATE :
1324 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1325 aint = AD_DATE_START;
1326 memcpy(data, &aint, sizeof( aint ));
1327 data += sizeof( aint );
1331 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1332 data += sizeof( vol->v_vid );
1335 case VOLPBIT_BFREE :
1336 bfree = htonl( bfree );
1337 memcpy(data, &bfree, sizeof( bfree ));
1338 data += sizeof( bfree );
1341 case VOLPBIT_BTOTAL :
1342 btotal = htonl( btotal );
1343 memcpy(data, &btotal, sizeof( btotal ));
1344 data += sizeof( btotal );
1347 #ifndef NO_LARGE_VOL_SUPPORT
1348 case VOLPBIT_XBFREE :
1349 xbfree = hton64( xbfree );
1350 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1351 bcopy(&xbfree, data, sizeof(xbfree));
1352 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1353 memcpy(data, &xbfree, sizeof( xbfree ));
1354 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1355 data += sizeof( xbfree );
1358 case VOLPBIT_XBTOTAL :
1359 xbtotal = hton64( xbtotal );
1360 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1361 bcopy(&xbtotal, data, sizeof(xbtotal));
1362 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1363 memcpy(data, &xbtotal, sizeof( xbtotal ));
1364 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1365 data += sizeof( xbfree );
1367 #endif /* ! NO_LARGE_VOL_SUPPORT */
1371 data += sizeof( u_int16_t );
1374 case VOLPBIT_BSIZE: /* block size */
1375 bsize = htonl(bsize);
1376 memcpy(data, &bsize, sizeof(bsize));
1377 data += sizeof(bsize);
1382 ad_close( &ad, ADFLAGS_HF );
1384 return( AFPERR_BITMAP );
1390 ashort = htons( data - buf );
1391 memcpy(nameoff, &ashort, sizeof( ashort ));
1392 aint = ucs2_to_charset( (utf8_encoding()?CH_UTF8_MAC:vol->v_maccharset), vol->v_name, data+1, 255);
1402 ad_close_metadata( &ad);
1404 *buflen = data - buf;
1408 /* ------------------------- */
1409 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1414 if ( stat( vol->v_path, &st ) < 0 ) {
1416 return( AFPERR_PARAM );
1418 /* save the volume device number */
1419 vol->v_dev = st.st_dev;
1421 buflen = *rbuflen - sizeof( bitmap );
1422 if (( ret = getvolparams( bitmap, vol, &st,
1423 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1427 *rbuflen = buflen + sizeof( bitmap );
1428 bitmap = htons( bitmap );
1429 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1434 /* ------------------------------- */
1435 void load_volumes(AFPObj *obj)
1437 struct passwd *pwent;
1442 /* check files date */
1443 if (obj->options.defaultvol.loaded) {
1444 changed = volfile_changed(&obj->options.defaultvol);
1446 if (obj->options.systemvol.loaded) {
1447 changed |= volfile_changed(&obj->options.systemvol);
1449 if (obj->options.uservol.loaded) {
1450 changed |= volfile_changed(&obj->options.uservol);
1459 pwent = getpwnam(obj->username);
1460 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1461 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1464 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1465 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1468 * Read user's AppleVolumes or .AppleVolumes file
1469 * If neither are readable, read the default volumes file. if
1470 * that doesn't work, create a user share.
1472 if (obj->options.uservol.name) {
1473 free(obj->options.uservol.name);
1475 obj->options.uservol.name = strdup(pwent->pw_dir);
1476 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1477 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1478 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1479 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1480 obj->options.defaultvol.name != NULL ) {
1481 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1482 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1485 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1486 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1489 if ( obj->options.closevol ) {
1492 for ( vol = Volumes; vol; vol = vol->v_next ) {
1493 if (vol->v_deleted && !vol->v_new ) {
1502 /* ------------------------------- */
1503 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1505 char *ibuf _U_, *rbuf;
1506 int ibuflen _U_, *rbuflen;
1519 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1520 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1521 if ( stat( volume->v_path, &st ) < 0 ) {
1522 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1523 volume->v_path, strerror(errno) );
1524 continue; /* can't access directory */
1526 if (!S_ISDIR(st.st_mode)) {
1527 continue; /* not a dir */
1530 if (volume->v_hide) {
1531 continue; /* config file changed but the volume was mounted */
1533 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1534 &namebuf, volume->v_name);
1535 if (len == (size_t)-1)
1538 /* set password bit if there's a volume password */
1539 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1541 /* Apple 2 clients running ProDOS-8 expect one volume to have
1542 bit 0 of this byte set. They will not recognize anything
1543 on the server unless this is the case. I have not
1544 completely worked this out, but it's related to booting
1545 from the server. Support for that function is a ways
1546 off.. <shirsch@ibm.net> */
1547 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1548 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1550 memcpy(data, namebuf, len );
1556 *rbuflen = data - rbuf;
1558 if ( gettimeofday( &tv, 0 ) < 0 ) {
1559 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1561 return AFPERR_PARAM;
1563 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1564 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1565 data += sizeof( u_int32_t);
1570 /* -------------------------
1571 * we are the user here
1573 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1576 int ibuflen _U_, *rbuflen;
1586 char path[ MAXPATHLEN + 1];
1591 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1592 bitmap = ntohs( bitmap );
1593 ibuf += sizeof( bitmap );
1594 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1596 return AFPERR_BITMAP;
1599 len = (unsigned char)*ibuf++;
1600 volname = obj->oldtmp;
1601 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1602 ibuf, len, volname, sizeof(obj->oldtmp));
1605 return AFPERR_PARAM;
1609 if ((len + 1) & 1) /* pad to an even boundary */
1614 for ( volume = Volumes; volume; volume = volume->v_next ) {
1615 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1620 if ( volume == NULL ) {
1622 return AFPERR_PARAM;
1625 /* check for a volume password */
1626 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1628 return AFPERR_ACCESS;
1631 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1632 /* the volume is already open */
1634 set_uidgid ( volume );
1636 return stat_vol(bitmap, volume, rbuf, rbuflen);
1639 /* initialize volume variables
1642 if (afp_version >= 30) {
1643 volume->max_filename = 255;
1646 volume->max_filename = MACFILELEN;
1649 volume->v_dir = volume->v_root = NULL;
1650 volume->v_hash = NULL;
1652 volume->v_flags |= AFPVOL_OPEN;
1653 volume->v_cdb = NULL;
1655 if (volume->v_root_preexec) {
1656 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1657 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1664 set_uidgid ( volume );
1667 if (volume->v_preexec) {
1668 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1669 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1675 if ( stat( volume->v_path, &st ) < 0 ) {
1680 if ( chdir( volume->v_path ) < 0 ) {
1685 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1686 volume->v_name, namelen, &vol_mname);
1687 if ( !vol_mname || len <= 0) {
1692 if ( NULL == getcwd(path, MAXPATHLEN)) {
1693 /* shouldn't be fatal but it will fail later */
1694 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1699 if ((vol_uname = strrchr(path, '/')) == NULL)
1701 else if (*(vol_uname + 1) != '\0')
1704 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1706 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1712 dir->d_did = DIRDID_ROOT;
1713 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1714 dir->d_m_name_ucs2 = strdup_w(volume->v_name);
1715 volume->v_dir = volume->v_root = dir;
1716 volume->v_hash = dirhash();
1718 curdir = volume->v_dir;
1719 if (volume->v_cnidscheme == NULL) {
1720 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1721 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1724 if (volume->v_dbpath)
1725 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1727 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1728 if (volume->v_cdb == NULL) {
1729 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1730 volume->v_path, volume->v_cnidscheme);
1737 if (!volume->v_volcodepage)
1738 volume->v_volcodepage = strdup("UTF8");
1740 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1741 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1746 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1747 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1750 if (!volume->v_maccodepage)
1751 volume->v_maccodepage = strdup(obj->options.maccodepage);
1753 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1754 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1759 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1760 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1765 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1766 if (ret == AFP_OK) {
1768 if (!(volume->v_flags & AFPVOL_RO)) {
1769 handle_special_folders( volume );
1770 savevoloptions( volume);
1774 * If you mount a volume twice, the second time the trash appears on
1775 * the desk-top. That's because the Mac remembers the DID for the
1776 * trash (even for volumes in different zones, on different servers).
1777 * Just so this works better, we prime the DID cache with the trash,
1778 * fixing the trash at DID 17.
1779 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1781 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1783 /* FIXME find db time stamp */
1784 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1785 LOG (log_error, logtype_afpd,
1786 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1794 cname( volume, volume->v_dir, &p );
1800 if (volume->v_dir) {
1801 hash_free( volume->v_hash);
1802 dirfree( volume->v_dir );
1803 volume->v_dir = volume->v_root = NULL;
1806 volume->v_flags &= ~AFPVOL_OPEN;
1807 if (volume->v_cdb != NULL) {
1808 cnid_close(volume->v_cdb);
1809 volume->v_cdb = NULL;
1815 /* ------------------------- */
1816 static void closevol(struct vol *vol)
1821 hash_free( vol->v_hash);
1822 dirfree( vol->v_root );
1824 if (vol->v_cdb != NULL) {
1825 cnid_close(vol->v_cdb);
1829 if (vol->v_postexec) {
1830 afprun(0, vol->v_postexec, NULL);
1832 if (vol->v_root_postexec) {
1833 afprun(1, vol->v_root_postexec, NULL);
1837 /* ------------------------- */
1838 void close_all_vol(void)
1842 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1843 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1844 ovol->v_flags &= ~AFPVOL_OPEN;
1850 /* ------------------------- */
1851 static void deletevol(struct vol *vol)
1855 vol->v_flags &= ~AFPVOL_OPEN;
1856 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1857 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1861 if ( ovol != NULL ) {
1862 /* Even if chdir fails, we can't say afp_closevol fails. */
1863 if ( chdir( ovol->v_path ) == 0 ) {
1864 curdir = ovol->v_dir;
1869 if (vol->v_deleted) {
1870 showvol(vol->v_name);
1877 /* ------------------------- */
1878 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1880 char *ibuf, *rbuf _U_;
1881 int ibuflen _U_, *rbuflen;
1888 memcpy(&vid, ibuf, sizeof( vid ));
1889 if (NULL == ( vol = getvolbyvid( vid )) ) {
1890 return( AFPERR_PARAM );
1898 /* ------------------------- */
1899 struct vol *getvolbyvid(const u_int16_t vid )
1903 for ( vol = Volumes; vol; vol = vol->v_next ) {
1904 if ( vid == vol->v_vid ) {
1908 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1914 #endif /* FORCE_UIDGID */
1919 /* ------------------------ */
1920 static int ext_cmp_key(const void *key, const void *obj)
1922 const char *p = key;
1923 const struct extmap *em = obj;
1924 return strdiacasecmp(p, em->em_ext);
1926 struct extmap *getextmap(const char *path)
1931 if (NULL == ( p = strrchr( path, '.' )) ) {
1932 return( Defextmap );
1935 if (!*p || !Extmap_cnt) {
1936 return( Defextmap );
1938 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1942 return( Defextmap );
1946 /* ------------------------- */
1947 struct extmap *getdefextmap(void)
1949 return( Defextmap );
1952 /* --------------------------
1953 poll if a volume is changed by other processes.
1955 int pollvoltime(obj)
1962 if (!(afp_version > 21 && obj->options.server_notif))
1965 if ( gettimeofday( &tv, 0 ) < 0 )
1968 for ( vol = Volumes; vol; vol = vol->v_next ) {
1969 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1970 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1971 vol->v_mtime = st.st_mtime;
1972 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1981 /* ------------------------- */
1982 void setvoltime(obj, vol )
1988 /* just looking at vol->v_mtime is broken seriously since updates
1989 * from other users afpd processes never are seen.
1990 * This is not the most elegant solution (a shared memory between
1991 * the afpd processes would come closer)
1994 if ( gettimeofday( &tv, 0 ) < 0 ) {
1995 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
1998 if( utime( vol->v_path, NULL ) < 0 ) {
1999 /* write of time failed ... probably a read only filesys,
2000 * where no other users can interfere, so there's no issue here
2004 /* a little granularity */
2005 if (vol->v_mtime < tv.tv_sec) {
2006 vol->v_mtime = tv.tv_sec;
2007 /* or finder doesn't update free space */
2008 if (afp_version > 21 && obj->options.server_notif) {
2009 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2014 /* ------------------------- */
2015 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2018 int ibuflen _U_, *rbuflen;
2021 u_int16_t vid, bitmap;
2024 memcpy(&vid, ibuf, sizeof( vid ));
2025 ibuf += sizeof( vid );
2026 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2027 bitmap = ntohs( bitmap );
2029 if (NULL == ( vol = getvolbyvid( vid )) ) {
2031 return( AFPERR_PARAM );
2034 return stat_vol(bitmap, vol, rbuf, rbuflen);
2037 /* ------------------------- */
2038 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2040 char *ibuf, *rbuf _U_;
2041 int ibuflen _U_, *rbuflen;
2045 u_int16_t vid, bitmap;
2051 memcpy(&vid, ibuf, sizeof( vid ));
2052 ibuf += sizeof( vid );
2053 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2054 bitmap = ntohs( bitmap );
2055 ibuf += sizeof(bitmap);
2057 if (( vol = getvolbyvid( vid )) == NULL ) {
2058 return( AFPERR_PARAM );
2061 if ((vol->v_flags & AFPVOL_RO))
2062 return AFPERR_VLOCK;
2064 /* we can only set the backup date. */
2065 if (bitmap != (1 << VOLPBIT_BDATE))
2066 return AFPERR_BITMAP;
2068 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2069 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2072 return AFPERR_VLOCK;
2074 return AFPERR_ACCESS;
2077 memcpy(&aint, ibuf, sizeof(aint));
2078 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2079 ad_flush(&ad, ADFLAGS_HF);
2080 ad_close(&ad, ADFLAGS_HF);
2084 /* ------------------------- */
2085 int wincheck(const struct vol *vol, const char *path)
2089 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2092 /* empty paths are not allowed */
2093 if ((len = strlen(path)) == 0)
2096 /* leading or trailing whitespaces are not allowed, carriage returns
2097 * and probably other whitespace is okay, tabs are not allowed
2099 if ((path[0] == ' ') || (path[len-1] == ' '))
2102 /* certain characters are not allowed */
2103 if (strpbrk(path, MSWINDOWS_BADCHARS))
2106 /* everything else is okay */
2112 * precreate a folder
2113 * this is only intended for folders in the volume root
2114 * It will *not* work if the folder name contains extended characters
2116 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2125 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2127 LOG(log_error, logtype_afpd,"malloc failed");
2131 q=strdup(folder->name);
2133 LOG(log_error, logtype_afpd,"malloc failed");
2137 strcpy(p, vol->v_path);
2142 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2144 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2150 if ( (ret = stat( p, &st )) < 0 ) {
2151 if (folder->precreate) {
2152 if (ad_mkdir(p, folder->mode)) {
2153 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2162 if ( !ret && folder->hide) {
2164 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2165 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2166 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2171 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2172 if (ad_getentryoff(&ad, ADEID_NAME)) {
2173 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2174 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2175 ad_getentrylen( &ad, ADEID_NAME ));
2179 ad_getattr(&ad, &attr);
2180 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2181 ad_setattr(&ad, attr);
2183 /* do the same with the finder info */
2184 if (ad_entry(&ad, ADEID_FINDERI)) {
2185 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2186 attr |= htons(FINDERINFO_INVISIBLE);
2187 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2190 ad_flush( &ad, ADFLAGS_HF );
2191 ad_close( &ad, ADFLAGS_HF );
2198 static void handle_special_folders (const struct vol * vol)
2200 const _special_folder *p = &special_folders[0];
2202 if ((vol->v_flags & AFPVOL_RO))
2205 for (; p->name != NULL; p++) {
2206 create_special_folder (vol, p);
2211 * Save the volume options to a file, used by
2213 * Writing the file everytime a volume is opened is
2214 * unnecessary, but it shouldn't hurt much.
2216 static int savevoloptions (const struct vol *vol)
2219 char item[MAXPATHLEN];
2223 const _vol_opt_name *op = &vol_opt_names[0];
2224 const _vol_opt_name *cf = &vol_opt_casefold[0];
2226 strlcpy (item, vol->v_path, sizeof(item));
2227 strlcat (item, "/.AppleDesktop/", sizeof(item));
2228 strlcat (item, VOLINFOFILE, sizeof(item));
2230 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2231 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2235 /* try to get a lock */
2237 lock.l_whence = SEEK_SET;
2239 lock.l_type = F_WRLCK;
2241 if (fcntl(fd, F_SETLK, &lock) < 0) {
2242 if (errno == EACCES || errno == EAGAIN) {
2243 /* ignore, other process already writing the file */
2246 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2251 /* write volume options */
2252 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2253 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2254 strlcat(buf, item, sizeof(buf));
2256 switch (vol->v_adouble) {
2258 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2261 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2263 case AD_VERSION2_OSX:
2264 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2266 case AD_VERSION1_ADS:
2267 strlcat(buf, "ADOUBLE_VER:ads\n", sizeof(buf));
2271 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2272 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2273 strlcat(buf, "\n", sizeof(buf));
2275 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2276 strlcat(buf, Cnid_srv, sizeof(buf));
2277 strlcat(buf, "\n", sizeof(buf));
2279 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2280 strlcat(buf, item, sizeof(buf));
2282 strcpy(item, "CNID_DBPATH:");
2284 strlcat(item, vol->v_dbpath, sizeof(item));
2286 strlcat(item, vol->v_path, sizeof(item));
2287 strlcat(item, "\n", sizeof(item));
2288 strlcat(buf, item, sizeof(buf));
2291 strcpy(item, "VOLUME_OPTS:");
2292 for (;op->name; op++) {
2293 if ( (vol->v_flags & op->option) ) {
2294 strlcat(item, op->name, sizeof(item));
2295 strlcat(item, " ", sizeof(item));
2298 strlcat(item, "\n", sizeof(item));
2299 strlcat(buf, item, sizeof(buf));
2301 /* casefold flags */
2302 strcpy(item, "VOLCASEFOLD:");
2303 for (;cf->name; cf++) {
2304 if ( (vol->v_casefold & cf->option) ) {
2305 strlcat(item, cf->name, sizeof(item));
2306 strlcat(item, " ", sizeof(item));
2309 strlcat(item, "\n", sizeof(item));
2310 strlcat(buf, item, sizeof(buf));
2312 if (strlen(buf) >= sizeof(buf)-1)
2313 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2316 if (write( fd, buf, strlen(buf)) < 0) {
2317 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2320 ftruncate(fd, strlen(buf));
2323 lock.l_type = F_UNLCK;
2324 fcntl(fd, F_SETLK, &lock);