2 * $Id: volume.c,v 1.68 2006-09-29 09:39:16 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
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, "CACHEID"}, /* Use adouble v2 CNID caching, default don't use it */
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;
439 else if (strcasecmp(val + 1, "sfm") == 0)
440 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
442 } else if (optionok(tmp, "options:", val)) {
445 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
449 if (strcasecmp(p, "prodos") == 0)
450 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
451 else if (strcasecmp(p, "mswindows") == 0) {
452 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
453 } else if (strcasecmp(p, "crlf") == 0)
454 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
455 else if (strcasecmp(p, "noadouble") == 0)
456 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
457 else if (strcasecmp(p, "ro") == 0)
458 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
459 else if (strcasecmp(p, "nohex") == 0)
460 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
461 else if (strcasecmp(p, "usedots") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
463 else if (strcasecmp(p, "invisibledots") == 0)
464 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
465 else if (strcasecmp(p, "limitsize") == 0)
466 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
467 /* support for either "dropbox" or "dropkludge" */
468 else if (strcasecmp(p, "dropbox") == 0)
469 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
470 else if (strcasecmp(p, "dropkludge") == 0)
471 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
472 else if (strcasecmp(p, "nofileid") == 0)
473 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
474 else if (strcasecmp(p, "nostat") == 0)
475 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
476 else if (strcasecmp(p, "preexec_close") == 0)
477 options[VOLOPT_PREEXEC].i_value = 1;
478 else if (strcasecmp(p, "root_preexec_close") == 0)
479 options[VOLOPT_ROOTPREEXEC].i_value = 1;
480 else if (strcasecmp(p, "upriv") == 0)
481 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
482 else if (strcasecmp(p, "nodev") == 0)
483 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
484 else if (strcasecmp(p, "caseinsensitive") == 0)
485 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
486 else if (strcasecmp(p, "illegalseq") == 0)
487 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
488 else if (strcasecmp(p, "cachecnid") == 0)
489 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
491 p = strtok(NULL, ",");
494 } else if (optionok(tmp, "dbpath:", val)) {
495 setoption(options, save, VOLOPT_DBPATH, val);
497 } else if (optionok(tmp, "umask:", val)) {
498 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
499 } else if (optionok(tmp, "perm:", val)) {
500 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
501 } else if (optionok(tmp, "mapchars:",val)) {
502 setoption(options, save, VOLOPT_MAPCHARS, val);
504 } else if (optionok(tmp, "password:", val)) {
505 setoption(options, save, VOLOPT_PASSWORD, val);
509 /* this code allows forced uid/gid per volume settings */
510 } else if (optionok(tmp, "forceuid:", val)) {
511 setoption(options, save, VOLOPT_FORCEUID, val);
512 } else if (optionok(tmp, "forcegid:", val)) {
513 setoption(options, save, VOLOPT_FORCEGID, val);
515 #endif /* FORCE_UIDGID */
516 } else if (optionok(tmp, "root_preexec:", val)) {
517 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
519 } else if (optionok(tmp, "preexec:", val)) {
520 setoption(options, save, VOLOPT_PREEXEC, val);
522 } else if (optionok(tmp, "root_postexec:", val)) {
523 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
525 } else if (optionok(tmp, "postexec:", val)) {
526 setoption(options, save, VOLOPT_POSTEXEC, val);
529 /* ignore unknown options */
530 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
535 /* ----------------- */
536 static void showvol(const ucs2_t *name)
539 for ( volume = Volumes; volume; volume = volume->v_next ) {
540 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
547 /* ------------------------------- */
548 static int creatvol(AFPObj *obj, struct passwd *pwd,
549 char *path, char *name,
550 struct vol_option *options,
551 const int user /* user defined volume */
559 if ( name == NULL || *name == '\0' ) {
560 if ((name = strrchr( path, '/' )) == NULL) {
561 return -1; /* Obviously not a fully qualified path */
564 /* if you wish to share /, you need to specify a name. */
569 vlen = strlen( name );
570 if ( vlen > AFPVOL_NAMELEN ) {
571 vlen = AFPVOL_NAMELEN;
572 name[AFPVOL_NAMELEN] = '\0';
575 /* convert name to UCS2 first */
576 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
579 for ( volume = Volumes; volume; volume = volume->v_next ) {
580 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
581 if (volume->v_deleted) {
582 volume->v_new = hide = 1;
585 return -1; /* Won't be able to access it, anyway... */
591 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
592 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
595 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
596 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
600 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
601 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
602 free(volume->v_name);
606 volume->v_hide = hide;
607 strcpy( volume->v_path, path );
611 #endif /* __svr4__ */
612 /* os X start at 1 and use network order ie. 1 2 3 */
613 volume->v_vid = ++lastvid;
614 volume->v_vid = htons(volume->v_vid);
618 /* should we casefold? */
619 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
621 /* shift in some flags */
622 volume->v_flags = options[VOLOPT_FLAGS].i_value;
624 volume->v_ad_options = 0;
625 if ((volume->v_flags & AFPVOL_NODEV))
626 volume->v_ad_options |= ADVOL_NODEV;
627 if ((volume->v_flags & AFPVOL_CACHE))
628 volume->v_ad_options |= ADVOL_CACHE;
629 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
630 volume->v_ad_options |= ADVOL_UNIXPRIV;
631 if ((volume->v_flags & AFPVOL_INV_DOTS))
632 volume->v_ad_options |= ADVOL_INVDOTS;
634 if (options[VOLOPT_PASSWORD].c_value)
635 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
637 if (options[VOLOPT_VETO].c_value)
638 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
640 if (options[VOLOPT_ENCODING].c_value)
641 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
643 if (options[VOLOPT_MACCHARSET].c_value)
644 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
646 if (options[VOLOPT_DBPATH].c_value)
647 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
649 if (options[VOLOPT_CNIDSCHEME].c_value)
650 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
652 if (options[VOLOPT_UMASK].i_value)
653 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
655 if (options[VOLOPT_DFLTPERM].i_value)
656 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
658 if (options[VOLOPT_ADOUBLE].i_value)
659 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
661 volume->v_adouble = AD_VERSION;
665 if (options[VOLOPT_FORCEUID].c_value) {
666 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
668 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
671 if (options[VOLOPT_FORCEGID].c_value) {
672 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
674 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
678 if (options[VOLOPT_PREEXEC].c_value)
679 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
680 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
682 if (options[VOLOPT_POSTEXEC].c_value)
683 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
685 if (options[VOLOPT_ROOTPREEXEC].c_value)
686 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
687 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
689 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
690 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
694 volume->v_next = Volumes;
699 /* ---------------- */
700 static char *myfgets( buf, size, fp )
709 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
710 if ( c == '\n' || c == '\r' ) {
728 /* check access list. this function wants something of the following
730 * @group,name,name2,@group2,name3
732 * a NULL argument allows everybody to have access.
733 * we return three things:
735 * 0: list exists, but name isn't in it
739 #ifndef NO_REAL_USER_NAME
740 /* authentication is case insensitive
741 * FIXME should we do the same with group name?
743 #define access_strcmp strcasecmp
746 #define access_strcmp strcmp
750 static int accessvol(args, name)
754 char buf[MAXPATHLEN + 1], *p;
760 strlcpy(buf, args, sizeof(buf));
761 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
765 if (*p == '@') { /* it's a group */
766 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
768 } else if (access_strcmp(p, name) == 0) /* it's a user name */
770 p = strtok(NULL, ",");
776 static void setextmap( ext, type, creator, user)
777 char *ext, *type, *creator;
783 if (Extmap == NULL) {
784 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
785 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
790 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
791 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
796 if ( em->em_ext == NULL ) {
797 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
798 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
801 (Extmap +cnt +1)->em_ext = NULL;
803 } else if ( !user ) {
809 if (!(em->em_ext = strdup( ext))) {
810 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
814 if ( *type == '\0' ) {
815 memcpy(em->em_type, "????", sizeof( em->em_type ));
817 memcpy(em->em_type, type, sizeof( em->em_type ));
819 if ( *creator == '\0' ) {
820 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
822 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
826 /* -------------------------- */
827 static int extmap_cmp(const void *map1, const void *map2)
829 const struct extmap *em1 = map1;
830 const struct extmap *em2 = map2;
831 return strdiacasecmp(em1->em_ext, em2->em_ext);
834 static void sortextmap( void)
839 if ((em = Extmap) == NULL) {
847 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
848 if (*Extmap->em_ext == 0) {
849 /* the first line is really "." the default entry,
850 * we remove the leading '.' in setextmap
857 /* ----------------------
859 static void free_extmap( void)
864 for ( em = Extmap; em->em_ext; em++) {
874 /* ----------------------
876 static int volfile_changed(struct afp_volume_name *p)
886 if (!stat( name, &st) && st.st_mtime > p->mtime) {
887 p->mtime = st.st_mtime;
893 /* ----------------------
894 * Read a volume configuration file and add the volumes contained within to
895 * the global volume list. If p2 is non-NULL, the file that is opened is
898 * Lines that begin with # and blank lines are ignored.
899 * Volume lines are of the form:
900 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
901 * [codepage:<file>] [casefold:<num>]
902 * <extension> TYPE [CREATOR]
904 static int readvolfile(obj, p1, p2, user, pwent)
906 struct afp_volume_name *p1;
909 struct passwd *pwent;
912 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
913 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
914 type[ 5 ], creator[ 5 ];
917 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
925 strcpy( path, p1->name );
932 p1->full_name = strdup(path);
935 if (NULL == ( fp = fopen( path, "r" )) ) {
939 if (fd != -1 && !fstat( fd, &st) ) {
940 p1->mtime = st.st_mtime;
943 memset(save_options, 0, sizeof(save_options));
944 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
945 initline( strlen( buf ), buf );
946 parseline( sizeof( path ) - 1, path );
953 /* change the default options for this file */
954 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
956 for (i = 0; i < VOLOPT_NUM; i++) {
957 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
958 path + VOLOPT_DEFAULT_LEN) < 0)
960 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
961 path + VOLOPT_DEFAULT_LEN);
967 if (( p = strchr( path, '/' )) != NULL ) {
975 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
978 strcpy( tmp, pw->pw_dir );
979 if ( p != NULL && *p != '\0' ) {
983 /* Tag a user's home directory with their umask. Note, this will
984 * be overwritten if the user actually specifies a umask: option
985 * for a '~' volume. */
986 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
990 /* send path through variable substitution */
991 if (*path != '~') /* need to copy path to tmp */
994 pwent = getpwnam(obj->username);
995 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
997 /* this is sort of braindead. basically, i want to be
998 * able to specify things in any order, but i don't want to
999 * re-write everything.
1001 * currently we have options:
1009 * options:prodos,crlf,noadouble,ro...
1014 * namemask:x,y,!z (not implemented yet)
1016 memcpy(options, save_options, sizeof(options));
1019 /* read in up to VOLOP_NUM possible options */
1020 for (i = 0; i < VOLOPT_NUM; i++) {
1021 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1024 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1027 /* check allow/deny lists:
1028 allow -> either no list (-1), or in list (1)
1029 deny -> either no list (-1), or not in list (0) */
1030 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1031 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1033 /* handle read-only behaviour. semantics:
1034 * 1) neither the rolist nor the rwlist exist -> rw
1035 * 2) rolist exists -> ro if user is in it.
1036 * 3) rwlist exists -> ro unless user is in it. */
1037 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1038 ((accessvol(options[VOLOPT_ROLIST].c_value,
1039 obj->username) == 1) ||
1040 !accessvol(options[VOLOPT_RWLIST].c_value,
1042 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1044 /* do variable substitution for volname */
1045 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1046 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1048 volfree(options, save_options);
1052 parseline( sizeof( type ) - 1, type );
1053 parseline( sizeof( creator ) - 1, creator );
1054 setextmap( path, type, creator, user);
1061 volfree(save_options, NULL);
1063 if ( fclose( fp ) != 0 ) {
1064 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1070 /* ------------------------------- */
1071 static void volume_free(struct vol *vol)
1076 free(vol->v_password);
1078 free(vol->v_volcodepage);
1079 free(vol->v_maccodepage);
1080 free(vol->v_cnidscheme);
1081 free(vol->v_dbpath);
1084 free(vol->v_forceuid);
1085 free(vol->v_forcegid);
1086 #endif /* FORCE_UIDGID */
1089 /* ------------------------------- */
1090 static void free_volumes(void )
1093 struct vol *nvol, *ovol;
1095 for ( vol = Volumes; vol; vol = vol->v_next ) {
1096 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1103 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1106 if (vol->v_name == NULL) {
1107 if (Volumes == vol) {
1112 ovol->v_next = nvol;
1122 /* ------------------------------- */
1123 static void volume_unlink(struct vol *volume)
1125 struct vol *vol, *ovol, *nvol;
1127 if (volume == Volumes) {
1128 Volumes = Volumes->v_next;
1131 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1134 if (vol == volume) {
1135 ovol->v_next = nvol;
1144 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1146 u_int32_t *bfree, *btotal, *bsize;
1147 VolSpace *xbfree, *xbtotal;
1151 #ifndef NO_QUOTA_SUPPORT
1152 VolSpace qfree, qtotal;
1155 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1156 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1157 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1158 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1159 ? 0x7fffffffL : 0xffffffffL);
1162 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1163 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1164 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1165 goto getvolspace_done;
1170 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1171 bsize)) != AFP_OK ) {
1175 #define min(a,b) ((a)<(b)?(a):(b))
1176 #ifndef NO_QUOTA_SUPPORT
1177 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1178 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1179 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1180 *xbfree = min(*xbfree, qfree);
1181 *xbtotal = min( *xbtotal, qtotal);
1182 goto getvolspace_done;
1186 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1189 *bfree = min( *xbfree, maxsize);
1190 *btotal = min( *xbtotal, maxsize);
1194 /* -----------------------
1195 * set volume creation date
1196 * avoid duplicate, well at least it tries
1198 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1201 struct vol *vol = Volumes;
1203 for ( volume = Volumes; volume; volume = volume->v_next ) {
1204 if (volume->v_vid == id) {
1207 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1209 volume = Volumes; /* restart */
1212 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1213 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1216 /* ----------------------- */
1217 static int getvolparams( bitmap, vol, st, buf, buflen )
1225 int bit = 0, isad = 1;
1228 u_int32_t bfree, btotal, bsize;
1229 VolSpace xbfree, xbtotal; /* extended bytes */
1230 char *data, *nameoff = NULL;
1233 /* courtesy of jallison@whistle.com:
1234 * For MacOS8.x support we need to create the
1235 * .Parent file here if it doesn't exist. */
1237 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1238 if ( ad_open_metadata( vol->v_path, vol_noadouble(vol) | ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1240 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1242 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1243 slash = strrchr( vol->v_path, '/' );
1247 slash = vol->v_path;
1248 if (ad_getentryoff(&ad, ADEID_NAME)) {
1249 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1250 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1251 ad_getentrylen( &ad, ADEID_NAME ));
1253 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1257 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1258 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1260 vol->v_ctime = aint;
1263 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1264 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1265 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1266 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1269 ad_close( &ad, ADFLAGS_HF );
1271 return( AFPERR_PARAM );
1276 while ( bitmap != 0 ) {
1277 while (( bitmap & 1 ) == 0 ) {
1285 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1286 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1287 ashort = VOLPBIT_ATTR_FILEID;
1289 /* check for read-only.
1290 * NOTE: we don't actually set the read-only flag unless
1291 * it's passed in that way as it's possible to mount
1292 * a read-write filesystem under a read-only one. */
1293 if ((vol->v_flags & AFPVOL_RO) ||
1294 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1295 ashort |= VOLPBIT_ATTR_RO;
1297 ashort |= VOLPBIT_ATTR_CATSEARCH;
1298 if (afp_version >= 30) {
1299 ashort |= VOLPBIT_ATTR_UTF8;
1300 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1301 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1303 ashort = htons(ashort);
1304 memcpy(data, &ashort, sizeof( ashort ));
1305 data += sizeof( ashort );
1309 ashort = htons( AFPVOLSIG_DEFAULT );
1310 memcpy(data, &ashort, sizeof( ashort ));
1311 data += sizeof( ashort );
1314 case VOLPBIT_CDATE :
1315 aint = vol->v_ctime;
1316 memcpy(data, &aint, sizeof( aint ));
1317 data += sizeof( aint );
1320 case VOLPBIT_MDATE :
1321 if ( st->st_mtime > vol->v_mtime ) {
1322 vol->v_mtime = st->st_mtime;
1324 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1325 memcpy(data, &aint, sizeof( aint ));
1326 data += sizeof( aint );
1329 case VOLPBIT_BDATE :
1330 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1331 aint = AD_DATE_START;
1332 memcpy(data, &aint, sizeof( aint ));
1333 data += sizeof( aint );
1337 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1338 data += sizeof( vol->v_vid );
1341 case VOLPBIT_BFREE :
1342 bfree = htonl( bfree );
1343 memcpy(data, &bfree, sizeof( bfree ));
1344 data += sizeof( bfree );
1347 case VOLPBIT_BTOTAL :
1348 btotal = htonl( btotal );
1349 memcpy(data, &btotal, sizeof( btotal ));
1350 data += sizeof( btotal );
1353 #ifndef NO_LARGE_VOL_SUPPORT
1354 case VOLPBIT_XBFREE :
1355 xbfree = hton64( xbfree );
1356 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1357 bcopy(&xbfree, data, sizeof(xbfree));
1358 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1359 memcpy(data, &xbfree, sizeof( xbfree ));
1360 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1361 data += sizeof( xbfree );
1364 case VOLPBIT_XBTOTAL :
1365 xbtotal = hton64( xbtotal );
1366 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1367 bcopy(&xbtotal, data, sizeof(xbtotal));
1368 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1369 memcpy(data, &xbtotal, sizeof( xbtotal ));
1370 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1371 data += sizeof( xbfree );
1373 #endif /* ! NO_LARGE_VOL_SUPPORT */
1377 data += sizeof( u_int16_t );
1380 case VOLPBIT_BSIZE: /* block size */
1381 bsize = htonl(bsize);
1382 memcpy(data, &bsize, sizeof(bsize));
1383 data += sizeof(bsize);
1388 ad_close( &ad, ADFLAGS_HF );
1390 return( AFPERR_BITMAP );
1396 ashort = htons( data - buf );
1397 memcpy(nameoff, &ashort, sizeof( ashort ));
1398 /* name is always in mac charset, FIXME mangle if length > 27 char */
1399 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1409 ad_close_metadata( &ad);
1411 *buflen = data - buf;
1415 /* ------------------------- */
1416 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1421 if ( stat( vol->v_path, &st ) < 0 ) {
1423 return( AFPERR_PARAM );
1425 /* save the volume device number */
1426 vol->v_dev = st.st_dev;
1428 buflen = *rbuflen - sizeof( bitmap );
1429 if (( ret = getvolparams( bitmap, vol, &st,
1430 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1434 *rbuflen = buflen + sizeof( bitmap );
1435 bitmap = htons( bitmap );
1436 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1441 /* ------------------------------- */
1442 void load_volumes(AFPObj *obj)
1444 struct passwd *pwent;
1449 /* check files date */
1450 if (obj->options.defaultvol.loaded) {
1451 changed = volfile_changed(&obj->options.defaultvol);
1453 if (obj->options.systemvol.loaded) {
1454 changed |= volfile_changed(&obj->options.systemvol);
1456 if (obj->options.uservol.loaded) {
1457 changed |= volfile_changed(&obj->options.uservol);
1466 pwent = getpwnam(obj->username);
1467 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1468 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1471 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1472 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1475 * Read user's AppleVolumes or .AppleVolumes file
1476 * If neither are readable, read the default volumes file. if
1477 * that doesn't work, create a user share.
1479 if (obj->options.uservol.name) {
1480 free(obj->options.uservol.name);
1482 obj->options.uservol.name = strdup(pwent->pw_dir);
1483 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1484 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1485 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1486 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1487 obj->options.defaultvol.name != NULL ) {
1488 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1489 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1492 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1493 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1496 if ( obj->options.closevol ) {
1499 for ( vol = Volumes; vol; vol = vol->v_next ) {
1500 if (vol->v_deleted && !vol->v_new ) {
1509 /* ------------------------------- */
1510 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1512 char *ibuf _U_, *rbuf;
1513 int ibuflen _U_, *rbuflen;
1526 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1527 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1530 if ( stat( volume->v_path, &st ) < 0 ) {
1531 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1532 volume->v_path, strerror(errno) );
1533 continue; /* can't access directory */
1535 if (!S_ISDIR(st.st_mode)) {
1536 continue; /* not a dir */
1538 accessmode(volume->v_path, &ma, NULL, &st);
1539 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1540 continue; /* no r-x access */
1543 if (volume->v_hide) {
1544 continue; /* config file changed but the volume was mounted */
1546 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1547 &namebuf, volume->v_name);
1548 if (len == (size_t)-1)
1551 /* set password bit if there's a volume password */
1552 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1554 /* Apple 2 clients running ProDOS-8 expect one volume to have
1555 bit 0 of this byte set. They will not recognize anything
1556 on the server unless this is the case. I have not
1557 completely worked this out, but it's related to booting
1558 from the server. Support for that function is a ways
1559 off.. <shirsch@ibm.net> */
1560 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1561 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1563 memcpy(data, namebuf, len );
1569 *rbuflen = data - rbuf;
1571 if ( gettimeofday( &tv, 0 ) < 0 ) {
1572 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1574 return AFPERR_PARAM;
1576 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1577 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1578 data += sizeof( u_int32_t);
1583 /* -------------------------
1584 * we are the user here
1586 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1589 int ibuflen _U_, *rbuflen;
1599 char path[ MAXPATHLEN + 1];
1604 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1605 bitmap = ntohs( bitmap );
1606 ibuf += sizeof( bitmap );
1607 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1609 return AFPERR_BITMAP;
1612 len = (unsigned char)*ibuf++;
1613 volname = obj->oldtmp;
1614 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1615 ibuf, len, volname, sizeof(obj->oldtmp));
1618 return AFPERR_PARAM;
1622 if ((len + 1) & 1) /* pad to an even boundary */
1627 for ( volume = Volumes; volume; volume = volume->v_next ) {
1628 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1633 if ( volume == NULL ) {
1635 return AFPERR_PARAM;
1638 /* check for a volume password */
1639 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1641 return AFPERR_ACCESS;
1644 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1645 /* the volume is already open */
1647 set_uidgid ( volume );
1649 return stat_vol(bitmap, volume, rbuf, rbuflen);
1652 /* initialize volume variables
1655 if (afp_version >= 30) {
1656 volume->max_filename = 255;
1659 volume->max_filename = MACFILELEN;
1662 volume->v_dir = volume->v_root = NULL;
1663 volume->v_hash = NULL;
1665 volume->v_flags |= AFPVOL_OPEN;
1666 volume->v_cdb = NULL;
1668 if (volume->v_root_preexec) {
1669 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1670 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1677 set_uidgid ( volume );
1680 if (volume->v_preexec) {
1681 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1682 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1688 if ( stat( volume->v_path, &st ) < 0 ) {
1693 if ( chdir( volume->v_path ) < 0 ) {
1698 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1699 volume->v_name, namelen, &vol_mname);
1700 if ( !vol_mname || len <= 0) {
1705 if ( NULL == getcwd(path, MAXPATHLEN)) {
1706 /* shouldn't be fatal but it will fail later */
1707 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1712 if ((vol_uname = strrchr(path, '/')) == NULL)
1714 else if (*(vol_uname + 1) != '\0')
1717 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1719 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1725 dir->d_did = DIRDID_ROOT;
1726 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1727 dir->d_m_name_ucs2 = strdup_w(volume->v_name);
1728 volume->v_dir = volume->v_root = dir;
1729 volume->v_hash = dirhash();
1731 curdir = volume->v_dir;
1732 if (volume->v_cnidscheme == NULL) {
1733 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1734 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1737 if (volume->v_dbpath)
1738 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1740 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1741 if (volume->v_cdb == NULL) {
1742 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1743 volume->v_path, volume->v_cnidscheme);
1750 if (!volume->v_volcodepage)
1751 volume->v_volcodepage = strdup("UTF8");
1753 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1754 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1759 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1760 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1763 if (!volume->v_maccodepage)
1764 volume->v_maccodepage = strdup(obj->options.maccodepage);
1766 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1767 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1772 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1773 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1778 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1779 if (ret == AFP_OK) {
1781 if (!(volume->v_flags & AFPVOL_RO)) {
1782 handle_special_folders( volume );
1783 savevoloptions( volume);
1787 * If you mount a volume twice, the second time the trash appears on
1788 * the desk-top. That's because the Mac remembers the DID for the
1789 * trash (even for volumes in different zones, on different servers).
1790 * Just so this works better, we prime the DID cache with the trash,
1791 * fixing the trash at DID 17.
1792 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1794 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1796 /* FIXME find db time stamp */
1797 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1798 LOG (log_error, logtype_afpd,
1799 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1807 cname( volume, volume->v_dir, &p );
1813 if (volume->v_dir) {
1814 hash_free( volume->v_hash);
1815 dirfree( volume->v_dir );
1816 volume->v_dir = volume->v_root = NULL;
1819 volume->v_flags &= ~AFPVOL_OPEN;
1820 if (volume->v_cdb != NULL) {
1821 cnid_close(volume->v_cdb);
1822 volume->v_cdb = NULL;
1828 /* ------------------------- */
1829 static void closevol(struct vol *vol)
1834 hash_free( vol->v_hash);
1835 dirfree( vol->v_root );
1837 if (vol->v_cdb != NULL) {
1838 cnid_close(vol->v_cdb);
1842 if (vol->v_postexec) {
1843 afprun(0, vol->v_postexec, NULL);
1845 if (vol->v_root_postexec) {
1846 afprun(1, vol->v_root_postexec, NULL);
1850 /* ------------------------- */
1851 void close_all_vol(void)
1855 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1856 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1857 ovol->v_flags &= ~AFPVOL_OPEN;
1863 /* ------------------------- */
1864 static void deletevol(struct vol *vol)
1868 vol->v_flags &= ~AFPVOL_OPEN;
1869 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1870 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1874 if ( ovol != NULL ) {
1875 /* Even if chdir fails, we can't say afp_closevol fails. */
1876 if ( chdir( ovol->v_path ) == 0 ) {
1877 curdir = ovol->v_dir;
1882 if (vol->v_deleted) {
1883 showvol(vol->v_name);
1890 /* ------------------------- */
1891 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1893 char *ibuf, *rbuf _U_;
1894 int ibuflen _U_, *rbuflen;
1901 memcpy(&vid, ibuf, sizeof( vid ));
1902 if (NULL == ( vol = getvolbyvid( vid )) ) {
1903 return( AFPERR_PARAM );
1911 /* ------------------------- */
1912 struct vol *getvolbyvid(const u_int16_t vid )
1916 for ( vol = Volumes; vol; vol = vol->v_next ) {
1917 if ( vid == vol->v_vid ) {
1921 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1927 #endif /* FORCE_UIDGID */
1932 /* ------------------------ */
1933 static int ext_cmp_key(const void *key, const void *obj)
1935 const char *p = key;
1936 const struct extmap *em = obj;
1937 return strdiacasecmp(p, em->em_ext);
1939 struct extmap *getextmap(const char *path)
1944 if (NULL == ( p = strrchr( path, '.' )) ) {
1945 return( Defextmap );
1948 if (!*p || !Extmap_cnt) {
1949 return( Defextmap );
1951 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1955 return( Defextmap );
1959 /* ------------------------- */
1960 struct extmap *getdefextmap(void)
1962 return( Defextmap );
1965 /* --------------------------
1966 poll if a volume is changed by other processes.
1968 int pollvoltime(obj)
1975 if (!(afp_version > 21 && obj->options.server_notif))
1978 if ( gettimeofday( &tv, 0 ) < 0 )
1981 for ( vol = Volumes; vol; vol = vol->v_next ) {
1982 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1983 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1984 vol->v_mtime = st.st_mtime;
1985 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1994 /* ------------------------- */
1995 void setvoltime(obj, vol )
2001 /* just looking at vol->v_mtime is broken seriously since updates
2002 * from other users afpd processes never are seen.
2003 * This is not the most elegant solution (a shared memory between
2004 * the afpd processes would come closer)
2007 if ( gettimeofday( &tv, 0 ) < 0 ) {
2008 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2011 if( utime( vol->v_path, NULL ) < 0 ) {
2012 /* write of time failed ... probably a read only filesys,
2013 * where no other users can interfere, so there's no issue here
2017 /* a little granularity */
2018 if (vol->v_mtime < tv.tv_sec) {
2019 vol->v_mtime = tv.tv_sec;
2020 /* or finder doesn't update free space */
2021 if (afp_version > 21 && obj->options.server_notif) {
2022 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2027 /* ------------------------- */
2028 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2031 int ibuflen _U_, *rbuflen;
2034 u_int16_t vid, bitmap;
2037 memcpy(&vid, ibuf, sizeof( vid ));
2038 ibuf += sizeof( vid );
2039 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2040 bitmap = ntohs( bitmap );
2042 if (NULL == ( vol = getvolbyvid( vid )) ) {
2044 return( AFPERR_PARAM );
2047 return stat_vol(bitmap, vol, rbuf, rbuflen);
2050 /* ------------------------- */
2051 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2053 char *ibuf, *rbuf _U_;
2054 int ibuflen _U_, *rbuflen;
2058 u_int16_t vid, bitmap;
2064 memcpy(&vid, ibuf, sizeof( vid ));
2065 ibuf += sizeof( vid );
2066 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2067 bitmap = ntohs( bitmap );
2068 ibuf += sizeof(bitmap);
2070 if (( vol = getvolbyvid( vid )) == NULL ) {
2071 return( AFPERR_PARAM );
2074 if ((vol->v_flags & AFPVOL_RO))
2075 return AFPERR_VLOCK;
2077 /* we can only set the backup date. */
2078 if (bitmap != (1 << VOLPBIT_BDATE))
2079 return AFPERR_BITMAP;
2081 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2082 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2085 return AFPERR_VLOCK;
2087 return AFPERR_ACCESS;
2090 memcpy(&aint, ibuf, sizeof(aint));
2091 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2093 ad_close(&ad, ADFLAGS_HF);
2097 /* ------------------------- */
2098 int wincheck(const struct vol *vol, const char *path)
2102 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2105 /* empty paths are not allowed */
2106 if ((len = strlen(path)) == 0)
2109 /* leading or trailing whitespaces are not allowed, carriage returns
2110 * and probably other whitespace is okay, tabs are not allowed
2112 if ((path[0] == ' ') || (path[len-1] == ' '))
2115 /* certain characters are not allowed */
2116 if (strpbrk(path, MSWINDOWS_BADCHARS))
2119 /* everything else is okay */
2125 * precreate a folder
2126 * this is only intended for folders in the volume root
2127 * It will *not* work if the folder name contains extended characters
2129 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2138 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2140 LOG(log_error, logtype_afpd,"malloc failed");
2144 q=strdup(folder->name);
2146 LOG(log_error, logtype_afpd,"malloc failed");
2150 strcpy(p, vol->v_path);
2155 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2157 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2163 if ( (ret = stat( p, &st )) < 0 ) {
2164 if (folder->precreate) {
2165 if (ad_mkdir(p, folder->mode)) {
2166 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2175 if ( !ret && folder->hide) {
2177 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2178 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2179 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2184 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2185 if (ad_getentryoff(&ad, ADEID_NAME)) {
2186 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2187 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2188 ad_getentrylen( &ad, ADEID_NAME ));
2192 ad_getattr(&ad, &attr);
2193 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2194 ad_setattr(&ad, attr);
2196 /* do the same with the finder info */
2197 if (ad_entry(&ad, ADEID_FINDERI)) {
2198 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2199 attr |= htons(FINDERINFO_INVISIBLE);
2200 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2204 ad_close( &ad, ADFLAGS_HF );
2211 static void handle_special_folders (const struct vol * vol)
2213 const _special_folder *p = &special_folders[0];
2215 if ((vol->v_flags & AFPVOL_RO))
2218 for (; p->name != NULL; p++) {
2219 create_special_folder (vol, p);
2224 * Save the volume options to a file, used by
2226 * Writing the file everytime a volume is opened is
2227 * unnecessary, but it shouldn't hurt much.
2229 static int savevoloptions (const struct vol *vol)
2232 char item[MAXPATHLEN];
2236 const _vol_opt_name *op = &vol_opt_names[0];
2237 const _vol_opt_name *cf = &vol_opt_casefold[0];
2239 strlcpy (item, vol->v_path, sizeof(item));
2240 strlcat (item, "/.AppleDesktop/", sizeof(item));
2241 strlcat (item, VOLINFOFILE, sizeof(item));
2243 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2244 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2248 /* try to get a lock */
2250 lock.l_whence = SEEK_SET;
2252 lock.l_type = F_WRLCK;
2254 if (fcntl(fd, F_SETLK, &lock) < 0) {
2255 if (errno == EACCES || errno == EAGAIN) {
2256 /* ignore, other process already writing the file */
2259 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2264 /* write volume options */
2265 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2266 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2267 strlcat(buf, item, sizeof(buf));
2269 switch (vol->v_adouble) {
2271 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2274 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2276 case AD_VERSION2_OSX:
2277 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2279 case AD_VERSION1_ADS:
2280 strlcat(buf, "ADOUBLE_VER:ads\n", sizeof(buf));
2282 case AD_VERSION1_SFM:
2283 strlcat(buf, "ADOUBLE_VER:sfm\n", sizeof(buf));
2287 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2288 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2289 strlcat(buf, "\n", sizeof(buf));
2291 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2292 strlcat(buf, Cnid_srv, sizeof(buf));
2293 strlcat(buf, "\n", sizeof(buf));
2295 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2296 strlcat(buf, item, sizeof(buf));
2298 strcpy(item, "CNID_DBPATH:");
2300 strlcat(item, vol->v_dbpath, sizeof(item));
2302 strlcat(item, vol->v_path, sizeof(item));
2303 strlcat(item, "\n", sizeof(item));
2304 strlcat(buf, item, sizeof(buf));
2307 strcpy(item, "VOLUME_OPTS:");
2308 for (;op->name; op++) {
2309 if ( (vol->v_flags & op->option) ) {
2310 strlcat(item, op->name, sizeof(item));
2311 strlcat(item, " ", sizeof(item));
2314 strlcat(item, "\n", sizeof(item));
2315 strlcat(buf, item, sizeof(buf));
2317 /* casefold flags */
2318 strcpy(item, "VOLCASEFOLD:");
2319 for (;cf->name; cf++) {
2320 if ( (vol->v_casefold & cf->option) ) {
2321 strlcat(item, cf->name, sizeof(item));
2322 strlcat(item, " ", sizeof(item));
2325 strlcat(item, "\n", sizeof(item));
2326 strlcat(buf, item, sizeof(buf));
2328 if (strlen(buf) >= sizeof(buf)-1)
2329 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2332 if (write( fd, buf, strlen(buf)) < 0) {
2333 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2336 ftruncate(fd, strlen(buf));
2339 lock.l_type = F_UNLCK;
2340 fcntl(fd, F_SETLK, &lock);