2 * $Id: volume.c,v 1.51.2.7.2.33.2.18 2009-01-26 15:06:31 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"
57 extern int afprun(int root, char *cmd, int *outfd);
60 #define MIN(a, b) ((a) < (b) ? (a) : (b))
63 #ifndef NO_LARGE_VOL_SUPPORT
64 #if BYTE_ORDER == BIG_ENDIAN
67 #else /* BYTE_ORDER == BIG_ENDIAN */
68 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
69 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
70 #define ntoh64(x) (hton64(x))
71 #endif /* BYTE_ORDER == BIG_ENDIAN */
72 #endif /* ! NO_LARGE_VOL_SUPPORT */
74 static struct vol *Volumes = NULL;
75 static u_int16_t lastvid = 0;
76 static char *Trash = "\02\024Network Trash Folder";
78 static struct extmap *Extmap = NULL, *Defextmap = NULL;
79 static int Extmap_cnt;
80 static void free_extmap(void);
82 #define VOLOPT_ALLOW 0 /* user allow list */
83 #define VOLOPT_DENY 1 /* user deny list */
84 #define VOLOPT_RWLIST 2 /* user rw list */
85 #define VOLOPT_ROLIST 3 /* user ro list */
86 #define VOLOPT_PASSWORD 4 /* volume password */
87 #define VOLOPT_CASEFOLD 5 /* character case mangling */
88 #define VOLOPT_FLAGS 6 /* various flags */
89 #define VOLOPT_DBPATH 7 /* path to database */
90 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
91 m and u can be double-byte hex
96 !u -> make u illegal always
97 ~u -> make u illegal only as the first
98 part of a double-byte character.
100 #define VOLOPT_VETO 10 /* list of veto filespec */
101 #define VOLOPT_PREEXEC 11 /* preexec command */
102 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
104 #define VOLOPT_POSTEXEC 13 /* postexec command */
105 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
107 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
108 #define VOLOPT_MACCHARSET 16
109 #define VOLOPT_CNIDSCHEME 17
110 #define VOLOPT_ADOUBLE 18 /* adouble version */
115 #define VOLOPT_FORCEUID 19 /* force uid for username x */
116 #define VOLOPT_FORCEGID 20 /* force gid for group x */
117 #define VOLOPT_UMASK 21
118 #define VOLOPT_DFLTPERM 22
120 #define VOLOPT_UMASK 19
121 #define VOLOPT_DFLTPERM 20
122 #endif /* FORCE_UIDGID */
124 #define VOLOPT_MAX (VOLOPT_DFLTPERM +1)
126 #define VOLOPT_NUM (VOLOPT_MAX + 1)
129 #define VOLOPT_DEFAULT ":DEFAULT:"
130 #define VOLOPT_DEFAULT_LEN 9
136 typedef struct _special_folder {
143 static const _special_folder special_folders[] = {
144 {"Network Trash Folder", 1, 0777, 1},
145 {"Temporary Items", 1, 0777, 1},
146 {".AppleDesktop", 1, 0777, 0},
148 {"TheFindByContentFolder", 0, 0, 1},
149 {"TheVolumeSettingsFolder", 0, 0, 1},
153 typedef struct _volopt_name {
154 const u_int32_t option;
158 static const _vol_opt_name vol_opt_names[] = {
159 {AFPVOL_A2VOL, "PRODOS"}, /* prodos volume */
160 {AFPVOL_CRLF, "CRLF"}, /* cr/lf translation */
161 {AFPVOL_NOADOUBLE, "NOADOUBLE"}, /* don't create .AppleDouble by default */
162 {AFPVOL_RO, "READONLY"}, /* read-only volume */
163 {AFPVOL_MSWINDOWS, "MSWINDOWS"}, /* deal with ms-windows yuckiness. this is going away. */
164 {AFPVOL_NOHEX, "NOHEX"}, /* don't do :hex translation */
165 {AFPVOL_USEDOTS, "USEDOTS"}, /* use real dots */
166 {AFPVOL_LIMITSIZE, "LIMITSIZE"}, /* limit size for older macs */
167 {AFPVOL_MAPASCII, "MAPASCII"}, /* map the ascii range as well */
168 {AFPVOL_DROPBOX, "DROPBOX"}, /* dropkludge dropbox support */
169 {AFPVOL_NOFILEID, "NOFILEID"}, /* don't advertise createid resolveid and deleteid calls */
170 {AFPVOL_NOSTAT, "NOSTAT"}, /* advertise the volume even if we can't stat() it
171 * maybe because it will be mounted later in preexec */
172 {AFPVOL_UNIX_PRIV, "UNIXPRIV"}, /* support unix privileges */
173 {AFPVOL_NODEV, "NODEV"}, /* always use 0 for device number in cnid calls */
174 {AFPVOL_EILSEQ, "ILLEGALSEQ"}, /* encode illegal sequence */
175 {AFPVOL_CACHE, "CACHEID"}, /* Use adouble v2 CNID caching, default don't use it */
179 static const _vol_opt_name vol_opt_casefold[] = {
180 {AFPVOL_MTOUUPPER, "MTOULOWER"},
181 {AFPVOL_MTOULOWER, "MTOULOWER"},
182 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
183 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
187 static void handle_special_folders (const struct vol *);
188 static int savevoloptions (const struct vol *);
190 static void volfree(struct vol_option *options,
191 const struct vol_option *save)
196 for (i = 0; i < VOLOPT_MAX; i++) {
197 if (options[i].c_value && (options[i].c_value != save[i].c_value))
198 free(options[i].c_value);
201 for (i = 0; i < VOLOPT_MAX; i++) {
202 if (options[i].c_value)
203 free(options[i].c_value);
209 /* handle variable substitutions. here's what we understand:
210 * $b -> basename of path
211 * $c -> client ip/appletalk address
212 * $d -> volume pathname on server
213 * $f -> full name (whatever's in the gecos field)
216 * $i -> client ip/appletalk address without port
217 * $s -> server name (hostname if it doesn't exist)
218 * $u -> username (guest is usually nobody)
219 * $v -> volume name or basename if null
220 * $z -> zone (may not exist)
225 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
227 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
228 char *src, struct passwd *pwd, char *path, char *volname)
238 dest = calloc(destlen +1, 1);
244 strlcpy(dest, src, destlen +1);
245 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
248 /* first part of the path. just forward to the next variable. */
249 len = MIN((size_t)(p - src), destlen);
255 while (p && destlen > 0) {
256 /* now figure out what the variable is */
258 if (is_var(p, "$b")) {
260 if ((q = strrchr(path, '/')) == NULL)
262 else if (*(q + 1) != '\0')
265 } else if (is_var(p, "$c")) {
266 if (obj->proto == AFPPROTO_ASP) {
267 ASP asp = obj->handle;
269 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
270 asp->asp_sat.sat_addr.s_node);
274 } else if (obj->proto == AFPPROTO_DSI) {
275 DSI *dsi = obj->handle;
277 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
278 ntohs(dsi->client.sin_port));
282 } else if (is_var(p, "$d")) {
284 } else if (is_var(p, "$f")) {
285 if ((q = strchr(pwd->pw_gecos, ',')))
288 } else if (is_var(p, "$g")) {
289 struct group *grp = getgrgid(pwd->pw_gid);
292 } else if (is_var(p, "$h")) {
293 q = obj->options.hostname;
294 } else if (is_var(p, "$i")) {
295 if (obj->proto == AFPPROTO_ASP) {
296 ASP asp = obj->handle;
298 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
302 } else if (obj->proto == AFPPROTO_DSI) {
303 DSI *dsi = obj->handle;
305 q = inet_ntoa(dsi->client.sin_addr);
307 } else if (is_var(p, "$s")) {
310 else if (obj->options.server) {
311 q = obj->options.server;
313 q = obj->options.hostname;
314 } else if (is_var(p, "$u")) {
316 } else if (is_var(p, "$v")) {
321 if ((q = strrchr(path, '/')) == NULL)
323 else if (*(q + 1) != '\0')
326 } else if (is_var(p, "$z")) {
328 } else if (is_var(p, "$$")) {
333 /* copy the stuff over. if we don't understand something that we
334 * should, just skip it over. */
336 len = MIN(p == q ? 2 : strlen(q), destlen);
337 strncpy(dest, q, len);
342 /* stuff up to next $ */
344 p = strchr(src, '$');
345 len = p ? MIN((size_t)(p - src), destlen) : destlen;
347 strncpy(dest, src, len);
355 /* to make sure that val is valid, make sure to select an opt that
357 static int optionok(const char *buf, const char *opt, const char *val)
359 if (!strstr(buf,opt))
367 /* -------------------- */
368 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
370 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
371 free(options[opt].c_value);
372 options[opt].c_value = strdup(val + 1);
375 /* ------------------------------------------
376 handle all the options. tmp can't be NULL. */
377 static void volset(struct vol_option *options, struct vol_option *save,
378 char *volname, int vlen,
383 val = strchr(tmp, ':');
385 /* we'll assume it's a volume name. */
386 strncpy(volname, tmp, vlen);
391 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
393 if (optionok(tmp, "allow:", val)) {
394 setoption(options, save, VOLOPT_ALLOW, val);
396 } else if (optionok(tmp, "deny:", val)) {
397 setoption(options, save, VOLOPT_DENY, val);
399 } else if (optionok(tmp, "rwlist:", val)) {
400 setoption(options, save, VOLOPT_RWLIST, val);
402 } else if (optionok(tmp, "rolist:", val)) {
403 setoption(options, save, VOLOPT_ROLIST, val);
405 } else if (optionok(tmp, "codepage:", val)) {
406 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
407 /* Make sure we don't screw anything */
409 } else if (optionok(tmp, "volcharset:", val)) {
410 setoption(options, save, VOLOPT_ENCODING, val);
411 } else if (optionok(tmp, "maccharset:", val)) {
412 setoption(options, save, VOLOPT_MACCHARSET, val);
413 } else if (optionok(tmp, "veto:", val)) {
414 setoption(options, save, VOLOPT_VETO, val);
415 } else if (optionok(tmp, "cnidscheme:", val)) {
416 setoption(options, save, VOLOPT_CNIDSCHEME, val);
417 } else if (optionok(tmp, "casefold:", val)) {
418 if (strcasecmp(val + 1, "tolower") == 0)
419 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
420 else if (strcasecmp(val + 1, "toupper") == 0)
421 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
422 else if (strcasecmp(val + 1, "xlatelower") == 0)
423 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
424 else if (strcasecmp(val + 1, "xlateupper") == 0)
425 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
426 } else if (optionok(tmp, "adouble:", val)) {
427 if (strcasecmp(val + 1, "v1") == 0)
428 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
429 #if AD_VERSION == AD_VERSION2
430 else if (strcasecmp(val + 1, "v2") == 0)
431 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
432 else if (strcasecmp(val + 1, "osx") == 0)
433 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
435 } else if (optionok(tmp, "options:", val)) {
438 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
442 if (strcasecmp(p, "prodos") == 0)
443 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
444 else if (strcasecmp(p, "mswindows") == 0) {
445 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
446 } else if (strcasecmp(p, "crlf") == 0)
447 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
448 else if (strcasecmp(p, "noadouble") == 0)
449 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
450 else if (strcasecmp(p, "ro") == 0)
451 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
452 else if (strcasecmp(p, "nohex") == 0)
453 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
454 else if (strcasecmp(p, "usedots") == 0)
455 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
456 else if (strcasecmp(p, "invisibledots") == 0)
457 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
458 else if (strcasecmp(p, "limitsize") == 0)
459 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
460 /* support for either "dropbox" or "dropkludge" */
461 else if (strcasecmp(p, "dropbox") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
463 else if (strcasecmp(p, "dropkludge") == 0)
464 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
465 else if (strcasecmp(p, "nofileid") == 0)
466 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
467 else if (strcasecmp(p, "nostat") == 0)
468 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
469 else if (strcasecmp(p, "preexec_close") == 0)
470 options[VOLOPT_PREEXEC].i_value = 1;
471 else if (strcasecmp(p, "root_preexec_close") == 0)
472 options[VOLOPT_ROOTPREEXEC].i_value = 1;
473 else if (strcasecmp(p, "upriv") == 0)
474 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
475 else if (strcasecmp(p, "nodev") == 0)
476 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
477 else if (strcasecmp(p, "illegalseq") == 0)
478 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
479 else if (strcasecmp(p, "cachecnid") == 0)
480 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
482 p = strtok(NULL, ",");
485 } else if (optionok(tmp, "dbpath:", val)) {
486 setoption(options, save, VOLOPT_DBPATH, val);
488 } else if (optionok(tmp, "umask:", val)) {
489 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
490 } else if (optionok(tmp, "perm:", val)) {
491 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
492 } else if (optionok(tmp, "mapchars:",val)) {
493 setoption(options, save, VOLOPT_MAPCHARS, val);
495 } else if (optionok(tmp, "password:", val)) {
496 setoption(options, save, VOLOPT_PASSWORD, val);
500 /* this code allows forced uid/gid per volume settings */
501 } else if (optionok(tmp, "forceuid:", val)) {
502 setoption(options, save, VOLOPT_FORCEUID, val);
503 } else if (optionok(tmp, "forcegid:", val)) {
504 setoption(options, save, VOLOPT_FORCEGID, val);
506 #endif /* FORCE_UIDGID */
507 } else if (optionok(tmp, "root_preexec:", val)) {
508 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
510 } else if (optionok(tmp, "preexec:", val)) {
511 setoption(options, save, VOLOPT_PREEXEC, val);
513 } else if (optionok(tmp, "root_postexec:", val)) {
514 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
516 } else if (optionok(tmp, "postexec:", val)) {
517 setoption(options, save, VOLOPT_POSTEXEC, val);
520 /* ignore unknown options */
521 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
526 /* ----------------- */
527 static void showvol(const ucs2_t *name)
530 for ( volume = Volumes; volume; volume = volume->v_next ) {
531 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
539 * FIXME should be define elsewhere
541 static int validupath_adouble(const struct vol *vol, const char *name)
543 return (vol->v_flags & AFPVOL_USEDOTS) ?
544 strcasecmp(name,".AppleDB") &&
545 strcasecmp(name,".AppleDouble") &&
546 strcasecmp(name,".AppleDesktop") &&
547 strcasecmp(name,".Parent")
551 /* ----------------- */
552 static int validupath_osx(const struct vol *vol _U_, const char *name)
554 return strncasecmp(name,".Apple", 6) && strncasecmp(name,"._", 2);
557 /* ---------------- */
558 static void initvoladouble(struct vol *vol)
560 if (vol->v_adouble == AD_VERSION2_OSX) {
561 vol->validupath = validupath_osx;
562 vol->ad_path = ad_path_osx;
565 vol->validupath = validupath_adouble;
566 vol->ad_path = ad_path;
570 /* ------------------------------- */
571 static int creatvol(AFPObj *obj, struct passwd *pwd,
572 char *path, char *name,
573 struct vol_option *options,
574 const int user /* user defined volume */
582 if ( name == NULL || *name == '\0' ) {
583 if ((name = strrchr( path, '/' )) == NULL) {
584 return -1; /* Obviously not a fully qualified path */
587 /* if you wish to share /, you need to specify a name. */
592 vlen = strlen( name );
593 if ( vlen > AFPVOL_NAMELEN ) {
594 vlen = AFPVOL_NAMELEN;
595 name[AFPVOL_NAMELEN] = '\0';
598 /* convert name to UCS2 first */
599 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
602 for ( volume = Volumes; volume; volume = volume->v_next ) {
603 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
604 if (volume->v_deleted) {
608 return -1; /* Won't be able to access it, anyway... */
614 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
615 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
618 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
619 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
623 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
624 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
625 free(volume->v_name);
629 volume->v_hide = hide;
630 strcpy( volume->v_path, path );
634 #endif /* __svr4__ */
635 /* os X start at 1 and use network order ie. 1 2 3 */
636 volume->v_vid = ++lastvid;
637 volume->v_vid = htons(volume->v_vid);
641 /* should we casefold? */
642 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
644 /* shift in some flags */
645 volume->v_flags = options[VOLOPT_FLAGS].i_value;
647 volume->v_ad_options = 0;
648 if ((volume->v_flags & AFPVOL_NODEV))
649 volume->v_ad_options |= ADVOL_NODEV;
650 if ((volume->v_flags & AFPVOL_CACHE))
651 volume->v_ad_options |= ADVOL_CACHE;
652 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
653 volume->v_ad_options |= ADVOL_UNIXPRIV;
654 if ((volume->v_flags & AFPVOL_INV_DOTS))
655 volume->v_ad_options |= ADVOL_INVDOTS;
657 if (options[VOLOPT_PASSWORD].c_value)
658 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
660 if (options[VOLOPT_VETO].c_value)
661 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
663 if (options[VOLOPT_ENCODING].c_value)
664 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
666 if (options[VOLOPT_MACCHARSET].c_value)
667 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
669 if (options[VOLOPT_DBPATH].c_value)
670 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
672 if (options[VOLOPT_CNIDSCHEME].c_value)
673 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
675 if (options[VOLOPT_UMASK].i_value)
676 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
678 if (options[VOLOPT_DFLTPERM].i_value)
679 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
681 if (options[VOLOPT_ADOUBLE].i_value)
682 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
684 volume->v_adouble = AD_VERSION;
686 if (options[VOLOPT_FORCEUID].c_value) {
687 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
689 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
692 if (options[VOLOPT_FORCEGID].c_value) {
693 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
695 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
699 if (options[VOLOPT_PREEXEC].c_value)
700 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
701 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
703 if (options[VOLOPT_POSTEXEC].c_value)
704 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
706 if (options[VOLOPT_ROOTPREEXEC].c_value)
707 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
708 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
710 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
711 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
715 initvoladouble(volume);
716 volume->v_next = Volumes;
721 /* ---------------- */
722 static char *myfgets( buf, size, fp )
731 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
732 if ( c == '\n' || c == '\r' ) {
750 /* check access list. this function wants something of the following
752 * @group,name,name2,@group2,name3
754 * a NULL argument allows everybody to have access.
755 * we return three things:
757 * 0: list exists, but name isn't in it
761 #ifndef NO_REAL_USER_NAME
762 /* authentication is case insensitive
763 * FIXME should we do the same with group name?
765 #define access_strcmp strcasecmp
768 #define access_strcmp strcmp
772 static int accessvol(args, name)
776 char buf[MAXPATHLEN + 1], *p;
782 strlcpy(buf, args, sizeof(buf));
783 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
787 if (*p == '@') { /* it's a group */
788 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
790 } else if (access_strcmp(p, name) == 0) /* it's a user name */
792 p = strtok(NULL, ",");
798 static void setextmap( ext, type, creator, user)
799 char *ext, *type, *creator;
805 if (Extmap == NULL) {
806 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
807 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
812 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
813 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
818 if ( em->em_ext == NULL ) {
819 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
820 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
823 (Extmap +cnt +1)->em_ext = NULL;
825 } else if ( !user ) {
831 if (!(em->em_ext = strdup( ext))) {
832 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
836 if ( *type == '\0' ) {
837 memcpy(em->em_type, "????", sizeof( em->em_type ));
839 memcpy(em->em_type, type, sizeof( em->em_type ));
841 if ( *creator == '\0' ) {
842 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
844 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
848 /* -------------------------- */
849 static int extmap_cmp(const void *map1, const void *map2)
851 const struct extmap *em1 = map1;
852 const struct extmap *em2 = map2;
853 return strdiacasecmp(em1->em_ext, em2->em_ext);
856 static void sortextmap( void)
861 if ((em = Extmap) == NULL) {
869 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
870 if (*Extmap->em_ext == 0) {
871 /* the first line is really "." the default entry,
872 * we remove the leading '.' in setextmap
879 /* ----------------------
881 static void free_extmap( void)
886 for ( em = Extmap; em->em_ext; em++) {
896 /* ----------------------
898 static int volfile_changed(struct afp_volume_name *p)
908 if (!stat( name, &st) && st.st_mtime > p->mtime) {
909 p->mtime = st.st_mtime;
915 /* ----------------------
916 * Read a volume configuration file and add the volumes contained within to
917 * the global volume list. If p2 is non-NULL, the file that is opened is
920 * Lines that begin with # and blank lines are ignored.
921 * Volume lines are of the form:
922 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
923 * [codepage:<file>] [casefold:<num>]
924 * <extension> TYPE [CREATOR]
926 static int readvolfile(obj, p1, p2, user, pwent)
928 struct afp_volume_name *p1;
931 struct passwd *pwent;
934 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
935 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
936 type[ 5 ], creator[ 5 ];
939 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
947 strcpy( path, p1->name );
954 p1->full_name = strdup(path);
957 if (NULL == ( fp = fopen( path, "r" )) ) {
961 if (fd != -1 && !fstat( fd, &st) ) {
962 p1->mtime = st.st_mtime;
965 memset(save_options, 0, sizeof(save_options));
966 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
967 initline( strlen( buf ), buf );
968 parseline( sizeof( path ) - 1, path );
975 /* change the default options for this file */
976 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
978 for (i = 0; i < VOLOPT_NUM; i++) {
979 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
980 path + VOLOPT_DEFAULT_LEN) < 0)
982 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
983 path + VOLOPT_DEFAULT_LEN);
989 if (( p = strchr( path, '/' )) != NULL ) {
997 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1000 strcpy( tmp, pw->pw_dir );
1001 if ( p != NULL && *p != '\0' ) {
1005 /* Tag a user's home directory with their umask. Note, this will
1006 * be overwritten if the user actually specifies a umask: option
1007 * for a '~' volume. */
1008 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
1012 /* send path through variable substitution */
1013 if (*path != '~') /* need to copy path to tmp */
1016 pwent = getpwnam(obj->username);
1017 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1019 /* this is sort of braindead. basically, i want to be
1020 * able to specify things in any order, but i don't want to
1021 * re-write everything.
1023 * currently we have options:
1031 * options:prodos,crlf,noadouble,ro...
1036 * namemask:x,y,!z (not implemented yet)
1038 memcpy(options, save_options, sizeof(options));
1041 /* read in up to VOLOP_NUM possible options */
1042 for (i = 0; i < VOLOPT_NUM; i++) {
1043 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1046 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1049 /* check allow/deny lists:
1050 allow -> either no list (-1), or in list (1)
1051 deny -> either no list (-1), or not in list (0) */
1052 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1053 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1055 /* handle read-only behaviour. semantics:
1056 * 1) neither the rolist nor the rwlist exist -> rw
1057 * 2) rolist exists -> ro if user is in it.
1058 * 3) rwlist exists -> ro unless user is in it. */
1059 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1060 ((accessvol(options[VOLOPT_ROLIST].c_value,
1061 obj->username) == 1) ||
1062 !accessvol(options[VOLOPT_RWLIST].c_value,
1064 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1066 /* do variable substitution for volname */
1067 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1068 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1070 volfree(options, save_options);
1074 parseline( sizeof( type ) - 1, type );
1075 parseline( sizeof( creator ) - 1, creator );
1076 setextmap( path, type, creator, user);
1083 volfree(save_options, NULL);
1085 if ( fclose( fp ) != 0 ) {
1086 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1092 /* ------------------------------- */
1093 static void volume_free(struct vol *vol)
1098 free(vol->v_password);
1100 free(vol->v_volcodepage);
1101 free(vol->v_maccodepage);
1102 free(vol->v_cnidscheme);
1103 free(vol->v_dbpath);
1106 free(vol->v_forceuid);
1107 free(vol->v_forcegid);
1108 #endif /* FORCE_UIDGID */
1111 /* ------------------------------- */
1112 static void free_volumes(void )
1115 struct vol *nvol, *ovol;
1117 for ( vol = Volumes; vol; vol = vol->v_next ) {
1118 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1125 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1128 if (vol->v_name == NULL) {
1129 if (Volumes == vol) {
1134 ovol->v_next = nvol;
1144 /* ------------------------------- */
1145 static void volume_unlink(struct vol *volume)
1147 struct vol *vol, *ovol, *nvol;
1149 if (volume == Volumes) {
1150 Volumes = Volumes->v_next;
1153 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1156 if (vol == volume) {
1157 ovol->v_next = nvol;
1166 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1168 u_int32_t *bfree, *btotal, *bsize;
1169 VolSpace *xbfree, *xbtotal;
1173 #ifndef NO_QUOTA_SUPPORT
1174 VolSpace qfree, qtotal;
1177 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1178 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1179 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1180 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1181 ? 0x7fffffffL : 0xffffffffL);
1184 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1185 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1186 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1187 goto getvolspace_done;
1192 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1193 bsize)) != AFP_OK ) {
1197 #define min(a,b) ((a)<(b)?(a):(b))
1198 #ifndef NO_QUOTA_SUPPORT
1199 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1200 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1201 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1202 *xbfree = min(*xbfree, qfree);
1203 *xbtotal = min( *xbtotal, qtotal);
1204 goto getvolspace_done;
1208 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1211 *bfree = min( *xbfree, maxsize);
1212 *btotal = min( *xbtotal, maxsize);
1216 /* -----------------------
1217 * set volume creation date
1218 * avoid duplicate, well at least it tries
1220 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1223 struct vol *vol = Volumes;
1225 for ( volume = Volumes; volume; volume = volume->v_next ) {
1226 if (volume->v_vid == id) {
1229 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1231 volume = Volumes; /* restart */
1234 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1235 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1238 /* ----------------------- */
1239 static int getvolparams( bitmap, vol, st, buf, buflen )
1247 int bit = 0, isad = 1;
1250 u_int32_t bfree, btotal, bsize;
1251 VolSpace xbfree, xbtotal; /* extended bytes */
1252 char *data, *nameoff = NULL;
1255 /* courtesy of jallison@whistle.com:
1256 * For MacOS8.x support we need to create the
1257 * .Parent file here if it doesn't exist. */
1259 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1260 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1261 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1264 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1266 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1267 slash = strrchr( vol->v_path, '/' );
1271 slash = vol->v_path;
1272 if (ad_getentryoff(&ad, ADEID_NAME)) {
1273 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1274 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1275 ad_getentrylen( &ad, ADEID_NAME ));
1277 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1278 ad_flush(&ad, ADFLAGS_HF);
1281 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1282 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1284 vol->v_ctime = aint;
1287 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1288 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1289 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1290 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1293 ad_close( &ad, ADFLAGS_HF );
1295 return( AFPERR_PARAM );
1300 while ( bitmap != 0 ) {
1301 while (( bitmap & 1 ) == 0 ) {
1309 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1310 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1311 ashort = VOLPBIT_ATTR_FILEID;
1313 /* check for read-only.
1314 * NOTE: we don't actually set the read-only flag unless
1315 * it's passed in that way as it's possible to mount
1316 * a read-write filesystem under a read-only one. */
1317 if ((vol->v_flags & AFPVOL_RO) ||
1318 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1319 ashort |= VOLPBIT_ATTR_RO;
1321 ashort |= VOLPBIT_ATTR_CATSEARCH;
1322 if (afp_version >= 30) {
1323 ashort |= VOLPBIT_ATTR_UTF8;
1324 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1325 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1327 ashort = htons(ashort);
1328 memcpy(data, &ashort, sizeof( ashort ));
1329 data += sizeof( ashort );
1333 ashort = htons( AFPVOLSIG_DEFAULT );
1334 memcpy(data, &ashort, sizeof( ashort ));
1335 data += sizeof( ashort );
1338 case VOLPBIT_CDATE :
1339 aint = vol->v_ctime;
1340 memcpy(data, &aint, sizeof( aint ));
1341 data += sizeof( aint );
1344 case VOLPBIT_MDATE :
1345 if ( st->st_mtime > vol->v_mtime ) {
1346 vol->v_mtime = st->st_mtime;
1348 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1349 memcpy(data, &aint, sizeof( aint ));
1350 data += sizeof( aint );
1353 case VOLPBIT_BDATE :
1354 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1355 aint = AD_DATE_START;
1356 memcpy(data, &aint, sizeof( aint ));
1357 data += sizeof( aint );
1361 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1362 data += sizeof( vol->v_vid );
1365 case VOLPBIT_BFREE :
1366 bfree = htonl( bfree );
1367 memcpy(data, &bfree, sizeof( bfree ));
1368 data += sizeof( bfree );
1371 case VOLPBIT_BTOTAL :
1372 btotal = htonl( btotal );
1373 memcpy(data, &btotal, sizeof( btotal ));
1374 data += sizeof( btotal );
1377 #ifndef NO_LARGE_VOL_SUPPORT
1378 case VOLPBIT_XBFREE :
1379 xbfree = hton64( xbfree );
1380 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1381 bcopy(&xbfree, data, sizeof(xbfree));
1382 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1383 memcpy(data, &xbfree, sizeof( xbfree ));
1384 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1385 data += sizeof( xbfree );
1388 case VOLPBIT_XBTOTAL :
1389 xbtotal = hton64( xbtotal );
1390 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1391 bcopy(&xbtotal, data, sizeof(xbtotal));
1392 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1393 memcpy(data, &xbtotal, sizeof( xbtotal ));
1394 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1395 data += sizeof( xbfree );
1397 #endif /* ! NO_LARGE_VOL_SUPPORT */
1401 data += sizeof( u_int16_t );
1404 case VOLPBIT_BSIZE: /* block size */
1405 bsize = htonl(bsize);
1406 memcpy(data, &bsize, sizeof(bsize));
1407 data += sizeof(bsize);
1412 ad_close( &ad, ADFLAGS_HF );
1414 return( AFPERR_BITMAP );
1420 ashort = htons( data - buf );
1421 memcpy(nameoff, &ashort, sizeof( ashort ));
1422 /* name is always in mac charset, FIXME mangle if length > 27 char */
1423 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1433 ad_close( &ad, ADFLAGS_HF );
1435 *buflen = data - buf;
1439 /* ------------------------- */
1440 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1445 if ( stat( vol->v_path, &st ) < 0 ) {
1447 return( AFPERR_PARAM );
1449 /* save the volume device number */
1450 vol->v_dev = st.st_dev;
1452 buflen = *rbuflen - sizeof( bitmap );
1453 if (( ret = getvolparams( bitmap, vol, &st,
1454 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1458 *rbuflen = buflen + sizeof( bitmap );
1459 bitmap = htons( bitmap );
1460 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1465 /* ------------------------------- */
1466 void load_volumes(AFPObj *obj)
1468 struct passwd *pwent;
1473 /* check files date */
1474 if (obj->options.defaultvol.loaded) {
1475 changed = volfile_changed(&obj->options.defaultvol);
1477 if (obj->options.systemvol.loaded) {
1478 changed |= volfile_changed(&obj->options.systemvol);
1480 if (obj->options.uservol.loaded) {
1481 changed |= volfile_changed(&obj->options.uservol);
1490 pwent = getpwnam(obj->username);
1491 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1492 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1495 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1496 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1499 * Read user's AppleVolumes or .AppleVolumes file
1500 * If neither are readable, read the default volumes file. if
1501 * that doesn't work, create a user share.
1503 if (obj->options.uservol.name) {
1504 free(obj->options.uservol.name);
1506 obj->options.uservol.name = strdup(pwent->pw_dir);
1507 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1508 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1509 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1510 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1511 obj->options.defaultvol.name != NULL ) {
1512 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1513 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1516 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1517 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1521 /* ------------------------------- */
1522 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1524 char *ibuf _U_, *rbuf;
1525 int ibuflen _U_, *rbuflen;
1538 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1539 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1542 if ( stat( volume->v_path, &st ) < 0 ) {
1543 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1544 volume->v_path, strerror(errno) );
1545 continue; /* can't access directory */
1547 if (!S_ISDIR(st.st_mode)) {
1548 continue; /* not a dir */
1550 accessmode(volume->v_path, &ma, NULL, &st);
1551 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1552 continue; /* no r-x access */
1555 if (volume->v_hide) {
1556 continue; /* config file changed but the volume was mounted */
1558 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1559 &namebuf, volume->v_name);
1560 if (len == (size_t)-1)
1563 /* set password bit if there's a volume password */
1564 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1566 /* Apple 2 clients running ProDOS-8 expect one volume to have
1567 bit 0 of this byte set. They will not recognize anything
1568 on the server unless this is the case. I have not
1569 completely worked this out, but it's related to booting
1570 from the server. Support for that function is a ways
1571 off.. <shirsch@ibm.net> */
1572 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1573 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1575 memcpy(data, namebuf, len );
1581 *rbuflen = data - rbuf;
1583 if ( gettimeofday( &tv, 0 ) < 0 ) {
1584 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1586 return AFPERR_PARAM;
1588 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1589 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1590 data += sizeof( u_int32_t);
1595 /* -------------------------
1596 * we are the user here
1598 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1601 int ibuflen _U_, *rbuflen;
1611 char path[ MAXPATHLEN + 1];
1616 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1617 bitmap = ntohs( bitmap );
1618 ibuf += sizeof( bitmap );
1619 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1621 return AFPERR_BITMAP;
1624 len = (unsigned char)*ibuf++;
1625 volname = obj->oldtmp;
1626 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1627 ibuf, len, volname, sizeof(obj->oldtmp));
1630 return AFPERR_PARAM;
1634 if ((len + 1) & 1) /* pad to an even boundary */
1639 for ( volume = Volumes; volume; volume = volume->v_next ) {
1640 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1645 if ( volume == NULL ) {
1647 return AFPERR_PARAM;
1650 /* check for a volume password */
1651 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1653 return AFPERR_ACCESS;
1656 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1657 /* the volume is already open */
1659 set_uidgid ( volume );
1661 return stat_vol(bitmap, volume, rbuf, rbuflen);
1664 /* initialize volume variables
1667 if (afp_version >= 30) {
1668 volume->max_filename = 255;
1671 volume->max_filename = MACFILELEN;
1674 volume->v_dir = volume->v_root = NULL;
1676 volume->v_flags |= AFPVOL_OPEN;
1677 volume->v_cdb = NULL;
1679 if (volume->v_root_preexec) {
1680 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1681 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1688 set_uidgid ( volume );
1691 if (volume->v_preexec) {
1692 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1693 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1699 if ( stat( volume->v_path, &st ) < 0 ) {
1704 if ( chdir( volume->v_path ) < 0 ) {
1709 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1710 volume->v_name, namelen, &vol_mname);
1711 if ( !vol_mname || len <= 0) {
1716 if ( NULL == getcwd(path, MAXPATHLEN)) {
1717 /* shouldn't be fatal but it will fail later */
1718 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1723 if ((vol_uname = strrchr(path, '/')) == NULL)
1725 else if (*(vol_uname + 1) != '\0')
1728 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1730 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1736 dir->d_did = DIRDID_ROOT;
1737 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1738 volume->v_dir = volume->v_root = dir;
1740 curdir = volume->v_dir;
1741 if (volume->v_cnidscheme == NULL) {
1742 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1743 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1746 if (volume->v_dbpath)
1747 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1749 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1750 if (volume->v_cdb == NULL) {
1751 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1752 volume->v_path, volume->v_cnidscheme);
1759 if (!volume->v_volcodepage)
1760 volume->v_volcodepage = strdup("UTF8");
1762 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1763 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1768 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1769 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1772 if (!volume->v_maccodepage)
1773 volume->v_maccodepage = strdup(obj->options.maccodepage);
1775 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1776 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1781 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1782 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1787 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1788 if (ret == AFP_OK) {
1790 if (!(volume->v_flags & AFPVOL_RO)) {
1791 handle_special_folders( volume );
1792 savevoloptions( volume);
1796 * If you mount a volume twice, the second time the trash appears on
1797 * the desk-top. That's because the Mac remembers the DID for the
1798 * trash (even for volumes in different zones, on different servers).
1799 * Just so this works better, we prime the DID cache with the trash,
1800 * fixing the trash at DID 17.
1801 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1803 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1805 /* FIXME find db time stamp */
1806 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1807 LOG (log_error, logtype_afpd,
1808 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1816 cname( volume, volume->v_dir, &p );
1822 if (volume->v_dir) {
1823 dirfree( volume->v_dir );
1824 volume->v_dir = volume->v_root = NULL;
1827 volume->v_flags &= ~AFPVOL_OPEN;
1828 if (volume->v_cdb != NULL) {
1829 cnid_close(volume->v_cdb);
1830 volume->v_cdb = NULL;
1836 /* ------------------------- */
1837 static void closevol(struct vol *vol)
1842 dirfree( vol->v_root );
1844 if (vol->v_cdb != NULL) {
1845 cnid_close(vol->v_cdb);
1849 if (vol->v_postexec) {
1850 afprun(0, vol->v_postexec, NULL);
1852 if (vol->v_root_postexec) {
1853 afprun(1, vol->v_root_postexec, NULL);
1857 /* ------------------------- */
1858 void close_all_vol(void)
1862 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1863 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1864 ovol->v_flags &= ~AFPVOL_OPEN;
1870 /* ------------------------- */
1871 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1873 char *ibuf, *rbuf _U_;
1874 int ibuflen _U_, *rbuflen;
1876 struct vol *vol, *ovol;
1881 memcpy(&vid, ibuf, sizeof( vid ));
1882 if (NULL == ( vol = getvolbyvid( vid )) ) {
1883 return( AFPERR_PARAM );
1886 vol->v_flags &= ~AFPVOL_OPEN;
1887 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1888 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1892 if ( ovol != NULL ) {
1893 /* Even if chdir fails, we can't say afp_closevol fails. */
1894 if ( chdir( ovol->v_path ) == 0 ) {
1895 curdir = ovol->v_dir;
1900 if (vol->v_deleted) {
1901 showvol(vol->v_name);
1909 /* ------------------------- */
1910 struct vol *getvolbyvid(const u_int16_t vid )
1914 for ( vol = Volumes; vol; vol = vol->v_next ) {
1915 if ( vid == vol->v_vid ) {
1919 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1925 #endif /* FORCE_UIDGID */
1930 /* ------------------------ */
1931 static int ext_cmp_key(const void *key, const void *obj)
1933 const char *p = key;
1934 const struct extmap *em = obj;
1935 return strdiacasecmp(p, em->em_ext);
1937 struct extmap *getextmap(const char *path)
1942 if (NULL == ( p = strrchr( path, '.' )) ) {
1943 return( Defextmap );
1946 if (!*p || !Extmap_cnt) {
1947 return( Defextmap );
1949 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1953 return( Defextmap );
1957 /* ------------------------- */
1958 struct extmap *getdefextmap(void)
1960 return( Defextmap );
1963 /* --------------------------
1964 poll if a volume is changed by other processes.
1966 int pollvoltime(obj)
1973 if (!(afp_version > 21 && obj->options.server_notif))
1976 if ( gettimeofday( &tv, 0 ) < 0 )
1979 for ( vol = Volumes; vol; vol = vol->v_next ) {
1980 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1981 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1982 vol->v_mtime = st.st_mtime;
1983 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1992 /* ------------------------- */
1993 void setvoltime(obj, vol )
1999 /* just looking at vol->v_mtime is broken seriously since updates
2000 * from other users afpd processes never are seen.
2001 * This is not the most elegant solution (a shared memory between
2002 * the afpd processes would come closer)
2005 if ( gettimeofday( &tv, 0 ) < 0 ) {
2006 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2009 if( utime( vol->v_path, NULL ) < 0 ) {
2010 /* write of time failed ... probably a read only filesys,
2011 * where no other users can interfere, so there's no issue here
2015 /* a little granularity */
2016 if (vol->v_mtime < tv.tv_sec) {
2017 vol->v_mtime = tv.tv_sec;
2018 /* or finder doesn't update free space */
2019 if (afp_version > 21 && obj->options.server_notif) {
2020 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2025 /* ------------------------- */
2026 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2029 int ibuflen _U_, *rbuflen;
2032 u_int16_t vid, bitmap;
2035 memcpy(&vid, ibuf, sizeof( vid ));
2036 ibuf += sizeof( vid );
2037 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2038 bitmap = ntohs( bitmap );
2040 if (NULL == ( vol = getvolbyvid( vid )) ) {
2042 return( AFPERR_PARAM );
2045 return stat_vol(bitmap, vol, rbuf, rbuflen);
2048 /* ------------------------- */
2049 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2051 char *ibuf, *rbuf _U_;
2052 int ibuflen _U_, *rbuflen;
2056 u_int16_t vid, bitmap;
2062 memcpy(&vid, ibuf, sizeof( vid ));
2063 ibuf += sizeof( vid );
2064 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2065 bitmap = ntohs( bitmap );
2066 ibuf += sizeof(bitmap);
2068 if (( vol = getvolbyvid( vid )) == NULL ) {
2069 return( AFPERR_PARAM );
2072 if ((vol->v_flags & AFPVOL_RO))
2073 return AFPERR_VLOCK;
2075 /* we can only set the backup date. */
2076 if (bitmap != (1 << VOLPBIT_BDATE))
2077 return AFPERR_BITMAP;
2079 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2080 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2083 return AFPERR_VLOCK;
2085 return AFPERR_ACCESS;
2088 memcpy(&aint, ibuf, sizeof(aint));
2089 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2090 ad_flush(&ad, ADFLAGS_HF);
2091 ad_close(&ad, ADFLAGS_HF);
2095 /* ------------------------- */
2096 int wincheck(const struct vol *vol, const char *path)
2100 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2103 /* empty paths are not allowed */
2104 if ((len = strlen(path)) == 0)
2107 /* leading or trailing whitespaces are not allowed, carriage returns
2108 * and probably other whitespace is okay, tabs are not allowed
2110 if ((path[0] == ' ') || (path[len-1] == ' '))
2113 /* certain characters are not allowed */
2114 if (strpbrk(path, MSWINDOWS_BADCHARS))
2117 /* everything else is okay */
2123 * precreate a folder
2124 * this is only intended for folders in the volume root
2125 * It will *not* work if the folder name contains extended characters
2127 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2136 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2138 LOG(log_error, logtype_afpd,"malloc failed");
2142 q=strdup(folder->name);
2144 LOG(log_error, logtype_afpd,"malloc failed");
2148 strcpy(p, vol->v_path);
2153 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2155 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2161 if ( (ret = stat( p, &st )) < 0 ) {
2162 if (folder->precreate) {
2163 if (ad_mkdir(p, folder->mode)) {
2164 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2173 if ( !ret && folder->hide) {
2175 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2176 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2177 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2182 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2183 if (ad_getentryoff(&ad, ADEID_NAME)) {
2184 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2185 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2186 ad_getentrylen( &ad, ADEID_NAME ));
2190 ad_getattr(&ad, &attr);
2191 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2192 ad_setattr(&ad, attr);
2194 /* do the same with the finder info */
2195 if (ad_entry(&ad, ADEID_FINDERI)) {
2196 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2197 attr |= htons(FINDERINFO_INVISIBLE);
2198 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2201 ad_flush( &ad, ADFLAGS_HF );
2202 ad_close( &ad, ADFLAGS_HF );
2209 static void handle_special_folders (const struct vol * vol)
2211 const _special_folder *p = &special_folders[0];
2213 if ((vol->v_flags & AFPVOL_RO))
2216 for (; p->name != NULL; p++) {
2217 create_special_folder (vol, p);
2222 * Save the volume options to a file, used by
2224 * Writing the file everytime a volume is opened is
2225 * unnecessary, but it shouldn't hurt much.
2227 static int savevoloptions (const struct vol *vol)
2230 char item[MAXPATHLEN];
2234 const _vol_opt_name *op = &vol_opt_names[0];
2235 const _vol_opt_name *cf = &vol_opt_casefold[0];
2237 strlcpy (item, vol->v_path, sizeof(item));
2238 strlcat (item, "/.AppleDesktop/", sizeof(item));
2239 strlcat (item, VOLINFOFILE, sizeof(item));
2241 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2242 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2246 /* try to get a lock */
2248 lock.l_whence = SEEK_SET;
2250 lock.l_type = F_WRLCK;
2252 if (fcntl(fd, F_SETLK, &lock) < 0) {
2253 if (errno == EACCES || errno == EAGAIN) {
2254 /* ignore, other process already writing the file */
2257 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2262 /* write volume options */
2263 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2264 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2265 strlcat(buf, item, sizeof(buf));
2267 switch (vol->v_adouble) {
2269 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2272 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2274 case AD_VERSION2_OSX:
2275 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2279 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2280 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2281 strlcat(buf, "\n", sizeof(buf));
2283 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2284 strlcat(buf, Cnid_srv, sizeof(buf));
2285 strlcat(buf, "\n", sizeof(buf));
2287 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2288 strlcat(buf, item, sizeof(buf));
2290 strcpy(item, "CNID_DBPATH:");
2292 strlcat(item, vol->v_dbpath, sizeof(item));
2294 strlcat(item, vol->v_path, sizeof(item));
2295 strlcat(item, "\n", sizeof(item));
2296 strlcat(buf, item, sizeof(buf));
2299 strcpy(item, "VOLUME_OPTS:");
2300 for (;op->name; op++) {
2301 if ( (vol->v_flags & op->option) ) {
2302 strlcat(item, op->name, sizeof(item));
2303 strlcat(item, " ", sizeof(item));
2306 strlcat(item, "\n", sizeof(item));
2307 strlcat(buf, item, sizeof(buf));
2309 /* casefold flags */
2310 strcpy(item, "VOLCASEFOLD:");
2311 for (;cf->name; cf++) {
2312 if ( (vol->v_casefold & cf->option) ) {
2313 strlcat(item, cf->name, sizeof(item));
2314 strlcat(item, " ", sizeof(item));
2317 strlcat(item, "\n", sizeof(item));
2318 strlcat(buf, item, sizeof(buf));
2320 if (strlen(buf) >= sizeof(buf)-1)
2321 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2324 if (write( fd, buf, strlen(buf)) < 0 || ftruncate(fd, strlen(buf)) < 0 ) {
2325 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2328 lock.l_type = F_UNLCK;
2329 fcntl(fd, F_SETLK, &lock);