2 * $Id: volume.c,v 1.51.2.7.2.33.2.15 2008-11-25 15:16:33 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_CACHE, "CACHEID"}, /* Use adouble v2 CNID caching, default don't use it */
178 static const _vol_opt_name vol_opt_casefold[] = {
179 {AFPVOL_MTOUUPPER, "MTOULOWER"},
180 {AFPVOL_MTOULOWER, "MTOULOWER"},
181 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
182 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
186 static void handle_special_folders (const struct vol *);
187 static int savevoloptions (const struct vol *);
189 static void volfree(struct vol_option *options,
190 const struct vol_option *save)
195 for (i = 0; i < VOLOPT_MAX; i++) {
196 if (options[i].c_value && (options[i].c_value != save[i].c_value))
197 free(options[i].c_value);
200 for (i = 0; i < VOLOPT_MAX; i++) {
201 if (options[i].c_value)
202 free(options[i].c_value);
208 /* handle variable substitutions. here's what we understand:
209 * $b -> basename of path
210 * $c -> client ip/appletalk address
211 * $d -> volume pathname on server
212 * $f -> full name (whatever's in the gecos field)
215 * $i -> client ip/appletalk address without port
216 * $s -> server name (hostname if it doesn't exist)
217 * $u -> username (guest is usually nobody)
218 * $v -> volume name or basename if null
219 * $z -> zone (may not exist)
224 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
226 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
227 char *src, struct passwd *pwd, char *path, char *volname)
237 dest = calloc(destlen +1, 1);
243 strlcpy(dest, src, destlen +1);
244 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
247 /* first part of the path. just forward to the next variable. */
248 len = MIN((size_t)(p - src), destlen);
254 while (p && destlen > 0) {
255 /* now figure out what the variable is */
257 if (is_var(p, "$b")) {
259 if ((q = strrchr(path, '/')) == NULL)
261 else if (*(q + 1) != '\0')
264 } else if (is_var(p, "$c")) {
265 if (obj->proto == AFPPROTO_ASP) {
266 ASP asp = obj->handle;
268 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
269 asp->asp_sat.sat_addr.s_node);
273 } else if (obj->proto == AFPPROTO_DSI) {
274 DSI *dsi = obj->handle;
276 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
277 ntohs(dsi->client.sin_port));
281 } else if (is_var(p, "$d")) {
283 } else if (is_var(p, "$f")) {
284 if ((q = strchr(pwd->pw_gecos, ',')))
287 } else if (is_var(p, "$g")) {
288 struct group *grp = getgrgid(pwd->pw_gid);
291 } else if (is_var(p, "$h")) {
292 q = obj->options.hostname;
293 } else if (is_var(p, "$i")) {
294 if (obj->proto == AFPPROTO_ASP) {
295 ASP asp = obj->handle;
297 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
301 } else if (obj->proto == AFPPROTO_DSI) {
302 DSI *dsi = obj->handle;
304 q = inet_ntoa(dsi->client.sin_addr);
306 } else if (is_var(p, "$s")) {
309 else if (obj->options.server) {
310 q = obj->options.server;
312 q = obj->options.hostname;
313 } else if (is_var(p, "$u")) {
315 } else if (is_var(p, "$v")) {
320 if ((q = strrchr(path, '/')) == NULL)
322 else if (*(q + 1) != '\0')
325 } else if (is_var(p, "$z")) {
327 } else if (is_var(p, "$$")) {
332 /* copy the stuff over. if we don't understand something that we
333 * should, just skip it over. */
335 len = MIN(p == q ? 2 : strlen(q), destlen);
336 strncpy(dest, q, len);
341 /* stuff up to next $ */
343 p = strchr(src, '$');
344 len = p ? MIN((size_t)(p - src), destlen) : destlen;
346 strncpy(dest, src, len);
354 /* to make sure that val is valid, make sure to select an opt that
356 static int optionok(const char *buf, const char *opt, const char *val)
358 if (!strstr(buf,opt))
366 /* -------------------- */
367 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
369 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
370 free(options[opt].c_value);
371 options[opt].c_value = strdup(val + 1);
374 /* ------------------------------------------
375 handle all the options. tmp can't be NULL. */
376 static void volset(struct vol_option *options, struct vol_option *save,
377 char *volname, int vlen,
382 val = strchr(tmp, ':');
384 /* we'll assume it's a volume name. */
385 strncpy(volname, tmp, vlen);
390 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
392 if (optionok(tmp, "allow:", val)) {
393 setoption(options, save, VOLOPT_ALLOW, val);
395 } else if (optionok(tmp, "deny:", val)) {
396 setoption(options, save, VOLOPT_DENY, val);
398 } else if (optionok(tmp, "rwlist:", val)) {
399 setoption(options, save, VOLOPT_RWLIST, val);
401 } else if (optionok(tmp, "rolist:", val)) {
402 setoption(options, save, VOLOPT_ROLIST, val);
404 } else if (optionok(tmp, "codepage:", val)) {
405 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
406 /* Make sure we don't screw anything */
408 } else if (optionok(tmp, "volcharset:", val)) {
409 setoption(options, save, VOLOPT_ENCODING, val);
410 } else if (optionok(tmp, "maccharset:", val)) {
411 setoption(options, save, VOLOPT_MACCHARSET, val);
412 } else if (optionok(tmp, "veto:", val)) {
413 setoption(options, save, VOLOPT_VETO, val);
414 } else if (optionok(tmp, "cnidscheme:", val)) {
415 setoption(options, save, VOLOPT_CNIDSCHEME, val);
416 } else if (optionok(tmp, "casefold:", val)) {
417 if (strcasecmp(val + 1, "tolower") == 0)
418 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
419 else if (strcasecmp(val + 1, "toupper") == 0)
420 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
421 else if (strcasecmp(val + 1, "xlatelower") == 0)
422 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
423 else if (strcasecmp(val + 1, "xlateupper") == 0)
424 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
425 } else if (optionok(tmp, "adouble:", val)) {
426 if (strcasecmp(val + 1, "v1") == 0)
427 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
428 #if AD_VERSION == AD_VERSION2
429 else if (strcasecmp(val + 1, "v2") == 0)
430 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
431 else if (strcasecmp(val + 1, "osx") == 0)
432 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
434 } else if (optionok(tmp, "options:", val)) {
437 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
441 if (strcasecmp(p, "prodos") == 0)
442 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
443 else if (strcasecmp(p, "mswindows") == 0) {
444 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
445 } else if (strcasecmp(p, "crlf") == 0)
446 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
447 else if (strcasecmp(p, "noadouble") == 0)
448 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
449 else if (strcasecmp(p, "ro") == 0)
450 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
451 else if (strcasecmp(p, "nohex") == 0)
452 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
453 else if (strcasecmp(p, "usedots") == 0)
454 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
455 else if (strcasecmp(p, "invisibledots") == 0)
456 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
457 else if (strcasecmp(p, "limitsize") == 0)
458 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
459 /* support for either "dropbox" or "dropkludge" */
460 else if (strcasecmp(p, "dropbox") == 0)
461 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
462 else if (strcasecmp(p, "dropkludge") == 0)
463 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
464 else if (strcasecmp(p, "nofileid") == 0)
465 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
466 else if (strcasecmp(p, "nostat") == 0)
467 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
468 else if (strcasecmp(p, "preexec_close") == 0)
469 options[VOLOPT_PREEXEC].i_value = 1;
470 else if (strcasecmp(p, "root_preexec_close") == 0)
471 options[VOLOPT_ROOTPREEXEC].i_value = 1;
472 else if (strcasecmp(p, "upriv") == 0)
473 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
474 else if (strcasecmp(p, "nodev") == 0)
475 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
476 else if (strcasecmp(p, "cachecnid") == 0)
477 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
479 p = strtok(NULL, ",");
482 } else if (optionok(tmp, "dbpath:", val)) {
483 setoption(options, save, VOLOPT_DBPATH, val);
485 } else if (optionok(tmp, "umask:", val)) {
486 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
487 } else if (optionok(tmp, "perm:", val)) {
488 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
489 } else if (optionok(tmp, "mapchars:",val)) {
490 setoption(options, save, VOLOPT_MAPCHARS, val);
492 } else if (optionok(tmp, "password:", val)) {
493 setoption(options, save, VOLOPT_PASSWORD, val);
497 /* this code allows forced uid/gid per volume settings */
498 } else if (optionok(tmp, "forceuid:", val)) {
499 setoption(options, save, VOLOPT_FORCEUID, val);
500 } else if (optionok(tmp, "forcegid:", val)) {
501 setoption(options, save, VOLOPT_FORCEGID, val);
503 #endif /* FORCE_UIDGID */
504 } else if (optionok(tmp, "root_preexec:", val)) {
505 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
507 } else if (optionok(tmp, "preexec:", val)) {
508 setoption(options, save, VOLOPT_PREEXEC, val);
510 } else if (optionok(tmp, "root_postexec:", val)) {
511 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
513 } else if (optionok(tmp, "postexec:", val)) {
514 setoption(options, save, VOLOPT_POSTEXEC, val);
517 /* ignore unknown options */
518 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
523 /* ----------------- */
524 static void showvol(const ucs2_t *name)
527 for ( volume = Volumes; volume; volume = volume->v_next ) {
528 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
536 * FIXME should be define elsewhere
538 static int validupath_adouble(const struct vol *vol, const char *name)
540 return (vol->v_flags & AFPVOL_USEDOTS) ?
541 strcasecmp(name,".AppleDB") &&
542 strcasecmp(name,".AppleDouble") &&
543 strcasecmp(name,".AppleDesktop") &&
544 strcasecmp(name,".Parent")
548 /* ----------------- */
549 static int validupath_osx(const struct vol *vol _U_, const char *name)
551 return strncasecmp(name,".Apple", 6) && strncasecmp(name,"._", 2);
554 /* ---------------- */
555 static void initvoladouble(struct vol *vol)
557 if (vol->v_adouble == AD_VERSION2_OSX) {
558 vol->validupath = validupath_osx;
559 vol->ad_path = ad_path_osx;
562 vol->validupath = validupath_adouble;
563 vol->ad_path = ad_path;
567 /* ------------------------------- */
568 static int creatvol(AFPObj *obj, struct passwd *pwd,
569 char *path, char *name,
570 struct vol_option *options,
571 const int user /* user defined volume */
579 if ( name == NULL || *name == '\0' ) {
580 if ((name = strrchr( path, '/' )) == NULL) {
581 return -1; /* Obviously not a fully qualified path */
584 /* if you wish to share /, you need to specify a name. */
589 vlen = strlen( name );
590 if ( vlen > AFPVOL_NAMELEN ) {
591 vlen = AFPVOL_NAMELEN;
592 name[AFPVOL_NAMELEN] = '\0';
595 /* convert name to UCS2 first */
596 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
599 for ( volume = Volumes; volume; volume = volume->v_next ) {
600 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
601 if (volume->v_deleted) {
605 return -1; /* Won't be able to access it, anyway... */
611 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
612 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
615 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
616 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
620 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
621 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
622 free(volume->v_name);
626 volume->v_hide = hide;
627 strcpy( volume->v_path, path );
631 #endif /* __svr4__ */
632 /* os X start at 1 and use network order ie. 1 2 3 */
633 volume->v_vid = ++lastvid;
634 volume->v_vid = htons(volume->v_vid);
638 /* should we casefold? */
639 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
641 /* shift in some flags */
642 volume->v_flags = options[VOLOPT_FLAGS].i_value;
644 volume->v_ad_options = 0;
645 if ((volume->v_flags & AFPVOL_NODEV))
646 volume->v_ad_options |= ADVOL_NODEV;
647 if ((volume->v_flags & AFPVOL_CACHE))
648 volume->v_ad_options |= ADVOL_CACHE;
649 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
650 volume->v_ad_options |= ADVOL_UNIXPRIV;
651 if ((volume->v_flags & AFPVOL_INV_DOTS))
652 volume->v_ad_options |= ADVOL_INVDOTS;
654 if (options[VOLOPT_PASSWORD].c_value)
655 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
657 if (options[VOLOPT_VETO].c_value)
658 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
660 if (options[VOLOPT_ENCODING].c_value)
661 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
663 if (options[VOLOPT_MACCHARSET].c_value)
664 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
666 if (options[VOLOPT_DBPATH].c_value)
667 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
669 if (options[VOLOPT_CNIDSCHEME].c_value)
670 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
672 if (options[VOLOPT_UMASK].i_value)
673 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
675 if (options[VOLOPT_DFLTPERM].i_value)
676 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
678 if (options[VOLOPT_ADOUBLE].i_value)
679 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
681 volume->v_adouble = AD_VERSION;
683 if (options[VOLOPT_FORCEUID].c_value) {
684 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
686 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
689 if (options[VOLOPT_FORCEGID].c_value) {
690 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
692 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
696 if (options[VOLOPT_PREEXEC].c_value)
697 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
698 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
700 if (options[VOLOPT_POSTEXEC].c_value)
701 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
703 if (options[VOLOPT_ROOTPREEXEC].c_value)
704 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
705 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
707 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
708 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
712 initvoladouble(volume);
713 volume->v_next = Volumes;
718 /* ---------------- */
719 static char *myfgets( buf, size, fp )
728 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
729 if ( c == '\n' || c == '\r' ) {
747 /* check access list. this function wants something of the following
749 * @group,name,name2,@group2,name3
751 * a NULL argument allows everybody to have access.
752 * we return three things:
754 * 0: list exists, but name isn't in it
758 #ifndef NO_REAL_USER_NAME
759 /* authentication is case insensitive
760 * FIXME should we do the same with group name?
762 #define access_strcmp strcasecmp
765 #define access_strcmp strcmp
769 static int accessvol(args, name)
773 char buf[MAXPATHLEN + 1], *p;
779 strlcpy(buf, args, sizeof(buf));
780 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
784 if (*p == '@') { /* it's a group */
785 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
787 } else if (access_strcmp(p, name) == 0) /* it's a user name */
789 p = strtok(NULL, ",");
795 static void setextmap( ext, type, creator, user)
796 char *ext, *type, *creator;
802 if (Extmap == NULL) {
803 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
804 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
809 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
810 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
815 if ( em->em_ext == NULL ) {
816 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
817 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
820 (Extmap +cnt +1)->em_ext = NULL;
822 } else if ( !user ) {
828 if (!(em->em_ext = strdup( ext))) {
829 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
833 if ( *type == '\0' ) {
834 memcpy(em->em_type, "????", sizeof( em->em_type ));
836 memcpy(em->em_type, type, sizeof( em->em_type ));
838 if ( *creator == '\0' ) {
839 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
841 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
845 /* -------------------------- */
846 static int extmap_cmp(const void *map1, const void *map2)
848 const struct extmap *em1 = map1;
849 const struct extmap *em2 = map2;
850 return strdiacasecmp(em1->em_ext, em2->em_ext);
853 static void sortextmap( void)
858 if ((em = Extmap) == NULL) {
866 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
867 if (*Extmap->em_ext == 0) {
868 /* the first line is really "." the default entry,
869 * we remove the leading '.' in setextmap
876 /* ----------------------
878 static void free_extmap( void)
883 for ( em = Extmap; em->em_ext; em++) {
893 /* ----------------------
895 static int volfile_changed(struct afp_volume_name *p)
905 if (!stat( name, &st) && st.st_mtime > p->mtime) {
906 p->mtime = st.st_mtime;
912 /* ----------------------
913 * Read a volume configuration file and add the volumes contained within to
914 * the global volume list. If p2 is non-NULL, the file that is opened is
917 * Lines that begin with # and blank lines are ignored.
918 * Volume lines are of the form:
919 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
920 * [codepage:<file>] [casefold:<num>]
921 * <extension> TYPE [CREATOR]
923 static int readvolfile(obj, p1, p2, user, pwent)
925 struct afp_volume_name *p1;
928 struct passwd *pwent;
931 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
932 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
933 type[ 5 ], creator[ 5 ];
936 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
944 strcpy( path, p1->name );
951 p1->full_name = strdup(path);
954 if (NULL == ( fp = fopen( path, "r" )) ) {
958 if (fd != -1 && !fstat( fd, &st) ) {
959 p1->mtime = st.st_mtime;
962 memset(save_options, 0, sizeof(save_options));
963 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
964 initline( strlen( buf ), buf );
965 parseline( sizeof( path ) - 1, path );
972 /* change the default options for this file */
973 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
975 for (i = 0; i < VOLOPT_NUM; i++) {
976 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
977 path + VOLOPT_DEFAULT_LEN) < 0)
979 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
980 path + VOLOPT_DEFAULT_LEN);
986 if (( p = strchr( path, '/' )) != NULL ) {
994 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
997 strcpy( tmp, pw->pw_dir );
998 if ( p != NULL && *p != '\0' ) {
1002 /* Tag a user's home directory with their umask. Note, this will
1003 * be overwritten if the user actually specifies a umask: option
1004 * for a '~' volume. */
1005 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
1009 /* send path through variable substitution */
1010 if (*path != '~') /* need to copy path to tmp */
1013 pwent = getpwnam(obj->username);
1014 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1016 /* this is sort of braindead. basically, i want to be
1017 * able to specify things in any order, but i don't want to
1018 * re-write everything.
1020 * currently we have options:
1028 * options:prodos,crlf,noadouble,ro...
1033 * namemask:x,y,!z (not implemented yet)
1035 memcpy(options, save_options, sizeof(options));
1038 /* read in up to VOLOP_NUM possible options */
1039 for (i = 0; i < VOLOPT_NUM; i++) {
1040 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1043 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1046 /* check allow/deny lists:
1047 allow -> either no list (-1), or in list (1)
1048 deny -> either no list (-1), or not in list (0) */
1049 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1050 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1052 /* handle read-only behaviour. semantics:
1053 * 1) neither the rolist nor the rwlist exist -> rw
1054 * 2) rolist exists -> ro if user is in it.
1055 * 3) rwlist exists -> ro unless user is in it. */
1056 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1057 ((accessvol(options[VOLOPT_ROLIST].c_value,
1058 obj->username) == 1) ||
1059 !accessvol(options[VOLOPT_RWLIST].c_value,
1061 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1063 /* do variable substitution for volname */
1064 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1065 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1067 volfree(options, save_options);
1071 parseline( sizeof( type ) - 1, type );
1072 parseline( sizeof( creator ) - 1, creator );
1073 setextmap( path, type, creator, user);
1080 volfree(save_options, NULL);
1082 if ( fclose( fp ) != 0 ) {
1083 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1089 /* ------------------------------- */
1090 static void volume_free(struct vol *vol)
1095 free(vol->v_password);
1097 free(vol->v_volcodepage);
1098 free(vol->v_maccodepage);
1099 free(vol->v_cnidscheme);
1100 free(vol->v_dbpath);
1103 free(vol->v_forceuid);
1104 free(vol->v_forcegid);
1105 #endif /* FORCE_UIDGID */
1108 /* ------------------------------- */
1109 static void free_volumes(void )
1112 struct vol *nvol, *ovol;
1114 for ( vol = Volumes; vol; vol = vol->v_next ) {
1115 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1122 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1125 if (vol->v_name == NULL) {
1126 if (Volumes == vol) {
1131 ovol->v_next = nvol;
1141 /* ------------------------------- */
1142 static void volume_unlink(struct vol *volume)
1144 struct vol *vol, *ovol, *nvol;
1146 if (volume == Volumes) {
1147 Volumes = Volumes->v_next;
1150 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1153 if (vol == volume) {
1154 ovol->v_next = nvol;
1163 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1165 u_int32_t *bfree, *btotal, *bsize;
1166 VolSpace *xbfree, *xbtotal;
1170 #ifndef NO_QUOTA_SUPPORT
1171 VolSpace qfree, qtotal;
1174 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1175 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1176 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1177 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1178 ? 0x7fffffffL : 0xffffffffL);
1181 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1182 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1183 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1184 goto getvolspace_done;
1189 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1190 bsize)) != AFP_OK ) {
1194 #define min(a,b) ((a)<(b)?(a):(b))
1195 #ifndef NO_QUOTA_SUPPORT
1196 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1197 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1198 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1199 *xbfree = min(*xbfree, qfree);
1200 *xbtotal = min( *xbtotal, qtotal);
1201 goto getvolspace_done;
1205 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1208 *bfree = min( *xbfree, maxsize);
1209 *btotal = min( *xbtotal, maxsize);
1213 /* -----------------------
1214 * set volume creation date
1215 * avoid duplicate, well at least it tries
1217 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1220 struct vol *vol = Volumes;
1222 for ( volume = Volumes; volume; volume = volume->v_next ) {
1223 if (volume->v_vid == id) {
1226 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1228 volume = Volumes; /* restart */
1231 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1232 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1235 /* ----------------------- */
1236 static int getvolparams( bitmap, vol, st, buf, buflen )
1244 int bit = 0, isad = 1;
1247 u_int32_t bfree, btotal, bsize;
1248 VolSpace xbfree, xbtotal; /* extended bytes */
1249 char *data, *nameoff = NULL;
1252 /* courtesy of jallison@whistle.com:
1253 * For MacOS8.x support we need to create the
1254 * .Parent file here if it doesn't exist. */
1256 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1257 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1258 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1261 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1263 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1264 slash = strrchr( vol->v_path, '/' );
1268 slash = vol->v_path;
1269 if (ad_getentryoff(&ad, ADEID_NAME)) {
1270 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1271 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1272 ad_getentrylen( &ad, ADEID_NAME ));
1274 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1275 ad_flush(&ad, ADFLAGS_HF);
1278 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1279 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1281 vol->v_ctime = aint;
1284 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1285 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1286 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1287 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1290 ad_close( &ad, ADFLAGS_HF );
1292 return( AFPERR_PARAM );
1297 while ( bitmap != 0 ) {
1298 while (( bitmap & 1 ) == 0 ) {
1306 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1307 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1308 ashort = VOLPBIT_ATTR_FILEID;
1310 /* check for read-only.
1311 * NOTE: we don't actually set the read-only flag unless
1312 * it's passed in that way as it's possible to mount
1313 * a read-write filesystem under a read-only one. */
1314 if ((vol->v_flags & AFPVOL_RO) ||
1315 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1316 ashort |= VOLPBIT_ATTR_RO;
1318 ashort |= VOLPBIT_ATTR_CATSEARCH;
1319 if (afp_version >= 30) {
1320 ashort |= VOLPBIT_ATTR_UTF8;
1321 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1322 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1324 ashort = htons(ashort);
1325 memcpy(data, &ashort, sizeof( ashort ));
1326 data += sizeof( ashort );
1330 ashort = htons( AFPVOLSIG_DEFAULT );
1331 memcpy(data, &ashort, sizeof( ashort ));
1332 data += sizeof( ashort );
1335 case VOLPBIT_CDATE :
1336 aint = vol->v_ctime;
1337 memcpy(data, &aint, sizeof( aint ));
1338 data += sizeof( aint );
1341 case VOLPBIT_MDATE :
1342 if ( st->st_mtime > vol->v_mtime ) {
1343 vol->v_mtime = st->st_mtime;
1345 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1346 memcpy(data, &aint, sizeof( aint ));
1347 data += sizeof( aint );
1350 case VOLPBIT_BDATE :
1351 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1352 aint = AD_DATE_START;
1353 memcpy(data, &aint, sizeof( aint ));
1354 data += sizeof( aint );
1358 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1359 data += sizeof( vol->v_vid );
1362 case VOLPBIT_BFREE :
1363 bfree = htonl( bfree );
1364 memcpy(data, &bfree, sizeof( bfree ));
1365 data += sizeof( bfree );
1368 case VOLPBIT_BTOTAL :
1369 btotal = htonl( btotal );
1370 memcpy(data, &btotal, sizeof( btotal ));
1371 data += sizeof( btotal );
1374 #ifndef NO_LARGE_VOL_SUPPORT
1375 case VOLPBIT_XBFREE :
1376 xbfree = hton64( xbfree );
1377 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1378 bcopy(&xbfree, data, sizeof(xbfree));
1379 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1380 memcpy(data, &xbfree, sizeof( xbfree ));
1381 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1382 data += sizeof( xbfree );
1385 case VOLPBIT_XBTOTAL :
1386 xbtotal = hton64( xbtotal );
1387 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1388 bcopy(&xbtotal, data, sizeof(xbtotal));
1389 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1390 memcpy(data, &xbtotal, sizeof( xbtotal ));
1391 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1392 data += sizeof( xbfree );
1394 #endif /* ! NO_LARGE_VOL_SUPPORT */
1398 data += sizeof( u_int16_t );
1401 case VOLPBIT_BSIZE: /* block size */
1402 bsize = htonl(bsize);
1403 memcpy(data, &bsize, sizeof(bsize));
1404 data += sizeof(bsize);
1409 ad_close( &ad, ADFLAGS_HF );
1411 return( AFPERR_BITMAP );
1417 ashort = htons( data - buf );
1418 memcpy(nameoff, &ashort, sizeof( ashort ));
1419 /* name is always in mac charset, FIXME mangle if length > 27 char */
1420 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1430 ad_close( &ad, ADFLAGS_HF );
1432 *buflen = data - buf;
1436 /* ------------------------- */
1437 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1442 if ( stat( vol->v_path, &st ) < 0 ) {
1444 return( AFPERR_PARAM );
1446 /* save the volume device number */
1447 vol->v_dev = st.st_dev;
1449 buflen = *rbuflen - sizeof( bitmap );
1450 if (( ret = getvolparams( bitmap, vol, &st,
1451 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1455 *rbuflen = buflen + sizeof( bitmap );
1456 bitmap = htons( bitmap );
1457 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1462 /* ------------------------------- */
1463 void load_volumes(AFPObj *obj)
1465 struct passwd *pwent;
1470 /* check files date */
1471 if (obj->options.defaultvol.loaded) {
1472 changed = volfile_changed(&obj->options.defaultvol);
1474 if (obj->options.systemvol.loaded) {
1475 changed |= volfile_changed(&obj->options.systemvol);
1477 if (obj->options.uservol.loaded) {
1478 changed |= volfile_changed(&obj->options.uservol);
1487 pwent = getpwnam(obj->username);
1488 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1489 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1492 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1493 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1496 * Read user's AppleVolumes or .AppleVolumes file
1497 * If neither are readable, read the default volumes file. if
1498 * that doesn't work, create a user share.
1500 if (obj->options.uservol.name) {
1501 free(obj->options.uservol.name);
1503 obj->options.uservol.name = strdup(pwent->pw_dir);
1504 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1505 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1506 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1507 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1508 obj->options.defaultvol.name != NULL ) {
1509 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1510 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1513 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1514 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1518 /* ------------------------------- */
1519 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1521 char *ibuf _U_, *rbuf;
1522 int ibuflen _U_, *rbuflen;
1535 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1536 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1539 if ( stat( volume->v_path, &st ) < 0 ) {
1540 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1541 volume->v_path, strerror(errno) );
1542 continue; /* can't access directory */
1544 if (!S_ISDIR(st.st_mode)) {
1545 continue; /* not a dir */
1547 accessmode(volume->v_path, &ma, NULL, &st);
1548 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1549 continue; /* no r-x access */
1552 if (volume->v_hide) {
1553 continue; /* config file changed but the volume was mounted */
1555 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1556 &namebuf, volume->v_name);
1557 if (len == (size_t)-1)
1560 /* set password bit if there's a volume password */
1561 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1563 /* Apple 2 clients running ProDOS-8 expect one volume to have
1564 bit 0 of this byte set. They will not recognize anything
1565 on the server unless this is the case. I have not
1566 completely worked this out, but it's related to booting
1567 from the server. Support for that function is a ways
1568 off.. <shirsch@ibm.net> */
1569 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1570 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1572 memcpy(data, namebuf, len );
1578 *rbuflen = data - rbuf;
1580 if ( gettimeofday( &tv, 0 ) < 0 ) {
1581 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1583 return AFPERR_PARAM;
1585 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1586 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1587 data += sizeof( u_int32_t);
1592 /* -------------------------
1593 * we are the user here
1595 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1598 int ibuflen _U_, *rbuflen;
1608 char path[ MAXPATHLEN + 1];
1613 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1614 bitmap = ntohs( bitmap );
1615 ibuf += sizeof( bitmap );
1616 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1618 return AFPERR_BITMAP;
1621 len = (unsigned char)*ibuf++;
1622 volname = obj->oldtmp;
1623 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1624 ibuf, len, volname, sizeof(obj->oldtmp));
1627 return AFPERR_PARAM;
1631 if ((len + 1) & 1) /* pad to an even boundary */
1636 for ( volume = Volumes; volume; volume = volume->v_next ) {
1637 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1642 if ( volume == NULL ) {
1644 return AFPERR_PARAM;
1647 /* check for a volume password */
1648 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1650 return AFPERR_ACCESS;
1653 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1654 /* the volume is already open */
1656 set_uidgid ( volume );
1658 return stat_vol(bitmap, volume, rbuf, rbuflen);
1661 /* initialize volume variables
1664 if (afp_version >= 30) {
1665 volume->max_filename = 255;
1668 volume->max_filename = MACFILELEN;
1671 volume->v_dir = volume->v_root = NULL;
1673 volume->v_flags |= AFPVOL_OPEN;
1674 volume->v_cdb = NULL;
1676 if (volume->v_root_preexec) {
1677 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1678 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1685 set_uidgid ( volume );
1688 if (volume->v_preexec) {
1689 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1690 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1696 if ( stat( volume->v_path, &st ) < 0 ) {
1701 if ( chdir( volume->v_path ) < 0 ) {
1706 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1707 volume->v_name, namelen, &vol_mname);
1708 if ( !vol_mname || len <= 0) {
1713 if ( NULL == getcwd(path, MAXPATHLEN)) {
1714 /* shouldn't be fatal but it will fail later */
1715 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1720 if ((vol_uname = strrchr(path, '/')) == NULL)
1722 else if (*(vol_uname + 1) != '\0')
1725 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1727 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1733 dir->d_did = DIRDID_ROOT;
1734 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1735 volume->v_dir = volume->v_root = dir;
1737 curdir = volume->v_dir;
1738 if (volume->v_cnidscheme == NULL) {
1739 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1740 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1743 if (volume->v_dbpath)
1744 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1746 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1747 if (volume->v_cdb == NULL) {
1748 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1749 volume->v_path, volume->v_cnidscheme);
1756 if (!volume->v_volcodepage)
1757 volume->v_volcodepage = strdup("UTF8");
1759 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1760 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1765 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1766 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1769 if (!volume->v_maccodepage)
1770 volume->v_maccodepage = strdup(obj->options.maccodepage);
1772 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1773 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1778 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1779 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1784 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1785 if (ret == AFP_OK) {
1787 if (!(volume->v_flags & AFPVOL_RO)) {
1788 handle_special_folders( volume );
1789 savevoloptions( volume);
1793 * If you mount a volume twice, the second time the trash appears on
1794 * the desk-top. That's because the Mac remembers the DID for the
1795 * trash (even for volumes in different zones, on different servers).
1796 * Just so this works better, we prime the DID cache with the trash,
1797 * fixing the trash at DID 17.
1798 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1800 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1802 /* FIXME find db time stamp */
1803 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1804 LOG (log_error, logtype_afpd,
1805 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1813 cname( volume, volume->v_dir, &p );
1819 if (volume->v_dir) {
1820 dirfree( volume->v_dir );
1821 volume->v_dir = volume->v_root = NULL;
1824 volume->v_flags &= ~AFPVOL_OPEN;
1825 if (volume->v_cdb != NULL) {
1826 cnid_close(volume->v_cdb);
1827 volume->v_cdb = NULL;
1833 /* ------------------------- */
1834 static void closevol(struct vol *vol)
1839 dirfree( vol->v_root );
1841 if (vol->v_cdb != NULL) {
1842 cnid_close(vol->v_cdb);
1846 if (vol->v_postexec) {
1847 afprun(0, vol->v_postexec, NULL);
1849 if (vol->v_root_postexec) {
1850 afprun(1, vol->v_root_postexec, NULL);
1854 /* ------------------------- */
1855 void close_all_vol(void)
1859 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1860 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1861 ovol->v_flags &= ~AFPVOL_OPEN;
1867 /* ------------------------- */
1868 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1870 char *ibuf, *rbuf _U_;
1871 int ibuflen _U_, *rbuflen;
1873 struct vol *vol, *ovol;
1878 memcpy(&vid, ibuf, sizeof( vid ));
1879 if (NULL == ( vol = getvolbyvid( vid )) ) {
1880 return( AFPERR_PARAM );
1883 vol->v_flags &= ~AFPVOL_OPEN;
1884 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1885 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1889 if ( ovol != NULL ) {
1890 /* Even if chdir fails, we can't say afp_closevol fails. */
1891 if ( chdir( ovol->v_path ) == 0 ) {
1892 curdir = ovol->v_dir;
1897 if (vol->v_deleted) {
1898 showvol(vol->v_name);
1906 /* ------------------------- */
1907 struct vol *getvolbyvid(const u_int16_t vid )
1911 for ( vol = Volumes; vol; vol = vol->v_next ) {
1912 if ( vid == vol->v_vid ) {
1916 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1922 #endif /* FORCE_UIDGID */
1927 /* ------------------------ */
1928 static int ext_cmp_key(const void *key, const void *obj)
1930 const char *p = key;
1931 const struct extmap *em = obj;
1932 return strdiacasecmp(p, em->em_ext);
1934 struct extmap *getextmap(const char *path)
1939 if (NULL == ( p = strrchr( path, '.' )) ) {
1940 return( Defextmap );
1943 if (!*p || !Extmap_cnt) {
1944 return( Defextmap );
1946 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1950 return( Defextmap );
1954 /* ------------------------- */
1955 struct extmap *getdefextmap(void)
1957 return( Defextmap );
1960 /* --------------------------
1961 poll if a volume is changed by other processes.
1963 int pollvoltime(obj)
1970 if (!(afp_version > 21 && obj->options.server_notif))
1973 if ( gettimeofday( &tv, 0 ) < 0 )
1976 for ( vol = Volumes; vol; vol = vol->v_next ) {
1977 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1978 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1979 vol->v_mtime = st.st_mtime;
1980 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1989 /* ------------------------- */
1990 void setvoltime(obj, vol )
1996 /* just looking at vol->v_mtime is broken seriously since updates
1997 * from other users afpd processes never are seen.
1998 * This is not the most elegant solution (a shared memory between
1999 * the afpd processes would come closer)
2002 if ( gettimeofday( &tv, 0 ) < 0 ) {
2003 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2006 if( utime( vol->v_path, NULL ) < 0 ) {
2007 /* write of time failed ... probably a read only filesys,
2008 * where no other users can interfere, so there's no issue here
2012 /* a little granularity */
2013 if (vol->v_mtime < tv.tv_sec) {
2014 vol->v_mtime = tv.tv_sec;
2015 /* or finder doesn't update free space */
2016 if (afp_version > 21 && obj->options.server_notif) {
2017 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2022 /* ------------------------- */
2023 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2026 int ibuflen _U_, *rbuflen;
2029 u_int16_t vid, bitmap;
2032 memcpy(&vid, ibuf, sizeof( vid ));
2033 ibuf += sizeof( vid );
2034 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2035 bitmap = ntohs( bitmap );
2037 if (NULL == ( vol = getvolbyvid( vid )) ) {
2039 return( AFPERR_PARAM );
2042 return stat_vol(bitmap, vol, rbuf, rbuflen);
2045 /* ------------------------- */
2046 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2048 char *ibuf, *rbuf _U_;
2049 int ibuflen _U_, *rbuflen;
2053 u_int16_t vid, bitmap;
2059 memcpy(&vid, ibuf, sizeof( vid ));
2060 ibuf += sizeof( vid );
2061 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2062 bitmap = ntohs( bitmap );
2063 ibuf += sizeof(bitmap);
2065 if (( vol = getvolbyvid( vid )) == NULL ) {
2066 return( AFPERR_PARAM );
2069 if ((vol->v_flags & AFPVOL_RO))
2070 return AFPERR_VLOCK;
2072 /* we can only set the backup date. */
2073 if (bitmap != (1 << VOLPBIT_BDATE))
2074 return AFPERR_BITMAP;
2076 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2077 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2080 return AFPERR_VLOCK;
2082 return AFPERR_ACCESS;
2085 memcpy(&aint, ibuf, sizeof(aint));
2086 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2087 ad_flush(&ad, ADFLAGS_HF);
2088 ad_close(&ad, ADFLAGS_HF);
2092 /* ------------------------- */
2093 int wincheck(const struct vol *vol, const char *path)
2097 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2100 /* empty paths are not allowed */
2101 if ((len = strlen(path)) == 0)
2104 /* leading or trailing whitespaces are not allowed, carriage returns
2105 * and probably other whitespace is okay, tabs are not allowed
2107 if ((path[0] == ' ') || (path[len-1] == ' '))
2110 /* certain characters are not allowed */
2111 if (strpbrk(path, MSWINDOWS_BADCHARS))
2114 /* everything else is okay */
2120 * precreate a folder
2121 * this is only intended for folders in the volume root
2122 * It will *not* work if the folder name contains extended characters
2124 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2133 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2135 LOG(log_error, logtype_afpd,"malloc failed");
2139 q=strdup(folder->name);
2141 LOG(log_error, logtype_afpd,"malloc failed");
2145 strcpy(p, vol->v_path);
2150 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2152 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2158 if ( (ret = stat( p, &st )) < 0 ) {
2159 if (folder->precreate) {
2160 if (ad_mkdir(p, folder->mode)) {
2161 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2170 if ( !ret && folder->hide) {
2172 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2173 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2174 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2179 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2180 if (ad_getentryoff(&ad, ADEID_NAME)) {
2181 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2182 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2183 ad_getentrylen( &ad, ADEID_NAME ));
2187 ad_getattr(&ad, &attr);
2188 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2189 ad_setattr(&ad, attr);
2191 /* do the same with the finder info */
2192 if (ad_entry(&ad, ADEID_FINDERI)) {
2193 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2194 attr |= htons(FINDERINFO_INVISIBLE);
2195 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2198 ad_flush( &ad, ADFLAGS_HF );
2199 ad_close( &ad, ADFLAGS_HF );
2206 static void handle_special_folders (const struct vol * vol)
2208 const _special_folder *p = &special_folders[0];
2210 if ((vol->v_flags & AFPVOL_RO))
2213 for (; p->name != NULL; p++) {
2214 create_special_folder (vol, p);
2219 * Save the volume options to a file, used by
2221 * Writing the file everytime a volume is opened is
2222 * unnecessary, but it shouldn't hurt much.
2224 static int savevoloptions (const struct vol *vol)
2227 char item[MAXPATHLEN];
2231 const _vol_opt_name *op = &vol_opt_names[0];
2232 const _vol_opt_name *cf = &vol_opt_casefold[0];
2234 strlcpy (item, vol->v_path, sizeof(item));
2235 strlcat (item, "/.AppleDesktop/", sizeof(item));
2236 strlcat (item, VOLINFOFILE, sizeof(item));
2238 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2239 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2243 /* try to get a lock */
2245 lock.l_whence = SEEK_SET;
2247 lock.l_type = F_WRLCK;
2249 if (fcntl(fd, F_SETLK, &lock) < 0) {
2250 if (errno == EACCES || errno == EAGAIN) {
2251 /* ignore, other process already writing the file */
2254 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2259 /* write volume options */
2260 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2261 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2262 strlcat(buf, item, sizeof(buf));
2264 switch (vol->v_adouble) {
2266 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2269 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2271 case AD_VERSION2_OSX:
2272 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2276 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2277 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2278 strlcat(buf, "\n", sizeof(buf));
2280 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2281 strlcat(buf, Cnid_srv, sizeof(buf));
2282 strlcat(buf, "\n", sizeof(buf));
2284 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2285 strlcat(buf, item, sizeof(buf));
2287 strcpy(item, "CNID_DBPATH:");
2289 strlcat(item, vol->v_dbpath, sizeof(item));
2291 strlcat(item, vol->v_path, sizeof(item));
2292 strlcat(item, "\n", sizeof(item));
2293 strlcat(buf, item, sizeof(buf));
2296 strcpy(item, "VOLUME_OPTS:");
2297 for (;op->name; op++) {
2298 if ( (vol->v_flags & op->option) ) {
2299 strlcat(item, op->name, sizeof(item));
2300 strlcat(item, " ", sizeof(item));
2303 strlcat(item, "\n", sizeof(item));
2304 strlcat(buf, item, sizeof(buf));
2306 /* casefold flags */
2307 strcpy(item, "VOLCASEFOLD:");
2308 for (;cf->name; cf++) {
2309 if ( (vol->v_casefold & cf->option) ) {
2310 strlcat(item, cf->name, sizeof(item));
2311 strlcat(item, " ", sizeof(item));
2314 strlcat(item, "\n", sizeof(item));
2315 strlcat(buf, item, sizeof(buf));
2317 if (strlen(buf) >= sizeof(buf)-1)
2318 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2321 if (write( fd, buf, strlen(buf)) < 0) {
2322 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2325 ftruncate(fd, strlen(buf));
2328 lock.l_type = F_UNLCK;
2329 fcntl(fd, F_SETLK, &lock);