2 * $Id: volume.c,v 1.51.2.7.2.33.2.23 2009-02-03 08:25:00 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 #endif /* FORCE_UIDGID */
119 #define VOLOPT_UMASK 21
120 #define VOLOPT_DPERM 22 /* dperm default directories perms */
121 #define VOLOPT_FPERM 23 /* fperm default files perms */
122 #define VOLOPT_DFLTPERM 24 /* perm */
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, "dperm:", val)) {
491 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
492 } else if (optionok(tmp, "fperm:", val)) {
493 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
494 } else if (optionok(tmp, "perm:", val)) {
495 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
496 } else if (optionok(tmp, "mapchars:",val)) {
497 setoption(options, save, VOLOPT_MAPCHARS, val);
499 } else if (optionok(tmp, "password:", val)) {
500 setoption(options, save, VOLOPT_PASSWORD, val);
504 /* this code allows forced uid/gid per volume settings */
505 } else if (optionok(tmp, "forceuid:", val)) {
506 setoption(options, save, VOLOPT_FORCEUID, val);
507 } else if (optionok(tmp, "forcegid:", val)) {
508 setoption(options, save, VOLOPT_FORCEGID, val);
510 #endif /* FORCE_UIDGID */
511 } else if (optionok(tmp, "root_preexec:", val)) {
512 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
514 } else if (optionok(tmp, "preexec:", val)) {
515 setoption(options, save, VOLOPT_PREEXEC, val);
517 } else if (optionok(tmp, "root_postexec:", val)) {
518 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
520 } else if (optionok(tmp, "postexec:", val)) {
521 setoption(options, save, VOLOPT_POSTEXEC, val);
524 /* ignore unknown options */
525 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
530 /* ----------------- */
531 static void showvol(const ucs2_t *name)
534 for ( volume = Volumes; volume; volume = volume->v_next ) {
535 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
543 * FIXME should be define elsewhere
545 static int netatalk_name(const char *name)
547 return strcasecmp(name,".AppleDB") &&
548 strcasecmp(name,".AppleDouble") &&
549 strcasecmp(name,".AppleDesktop");
552 static int validupath_adouble(const struct vol *vol, const char *name)
554 return (vol->v_flags & AFPVOL_USEDOTS) ?
555 netatalk_name(name) && strcasecmp(name,".Parent"): name[0] != '.';
558 /* ----------------- */
559 static int validupath_osx(const struct vol *vol _U_, const char *name)
561 return strncmp(name,"._", 2) && (
562 (vol->v_flags & AFPVOL_USEDOTS) ? netatalk_name(name): name[0] != '.');
565 /* ---------------- */
566 static void initvoladouble(struct vol *vol)
568 if (vol->v_adouble == AD_VERSION2_OSX) {
569 vol->validupath = validupath_osx;
570 vol->ad_path = ad_path_osx;
573 vol->validupath = validupath_adouble;
574 vol->ad_path = ad_path;
578 /* ------------------------------- */
579 static int creatvol(AFPObj *obj, struct passwd *pwd,
580 char *path, char *name,
581 struct vol_option *options,
582 const int user /* user defined volume */
590 if ( name == NULL || *name == '\0' ) {
591 if ((name = strrchr( path, '/' )) == NULL) {
592 return -1; /* Obviously not a fully qualified path */
595 /* if you wish to share /, you need to specify a name. */
600 vlen = strlen( name );
601 if ( vlen > AFPVOL_NAMELEN ) {
602 vlen = AFPVOL_NAMELEN;
603 name[AFPVOL_NAMELEN] = '\0';
606 /* convert name to UCS2 first */
607 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
610 for ( volume = Volumes; volume; volume = volume->v_next ) {
611 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
612 if (volume->v_deleted) {
616 return -1; /* Won't be able to access it, anyway... */
622 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
623 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
626 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
627 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
631 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
632 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
633 free(volume->v_name);
637 volume->v_hide = hide;
638 strcpy( volume->v_path, path );
642 #endif /* __svr4__ */
643 /* os X start at 1 and use network order ie. 1 2 3 */
644 volume->v_vid = ++lastvid;
645 volume->v_vid = htons(volume->v_vid);
649 /* should we casefold? */
650 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
652 /* shift in some flags */
653 volume->v_flags = options[VOLOPT_FLAGS].i_value;
655 volume->v_ad_options = 0;
656 if ((volume->v_flags & AFPVOL_NODEV))
657 volume->v_ad_options |= ADVOL_NODEV;
658 if ((volume->v_flags & AFPVOL_CACHE))
659 volume->v_ad_options |= ADVOL_CACHE;
660 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
661 volume->v_ad_options |= ADVOL_UNIXPRIV;
662 if ((volume->v_flags & AFPVOL_INV_DOTS))
663 volume->v_ad_options |= ADVOL_INVDOTS;
665 if (options[VOLOPT_PASSWORD].c_value)
666 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
668 if (options[VOLOPT_VETO].c_value)
669 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
671 if (options[VOLOPT_ENCODING].c_value)
672 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
674 if (options[VOLOPT_MACCHARSET].c_value)
675 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
677 if (options[VOLOPT_DBPATH].c_value)
678 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
680 if (options[VOLOPT_CNIDSCHEME].c_value)
681 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
683 if (options[VOLOPT_UMASK].i_value)
684 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
686 if (options[VOLOPT_DPERM].i_value)
687 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
689 if (options[VOLOPT_FPERM].i_value)
690 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
692 if (options[VOLOPT_DFLTPERM].i_value)
693 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
695 if (options[VOLOPT_ADOUBLE].i_value)
696 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
698 volume->v_adouble = AD_VERSION;
700 if (options[VOLOPT_FORCEUID].c_value) {
701 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
703 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
706 if (options[VOLOPT_FORCEGID].c_value) {
707 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
709 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
713 if (options[VOLOPT_PREEXEC].c_value)
714 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
715 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
717 if (options[VOLOPT_POSTEXEC].c_value)
718 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
720 if (options[VOLOPT_ROOTPREEXEC].c_value)
721 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
722 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
724 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
725 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
728 volume->v_dperm |= volume->v_perm;
729 volume->v_fperm |= volume->v_perm;
731 initvoladouble(volume);
732 volume->v_next = Volumes;
737 /* ---------------- */
738 static char *myfgets( buf, size, fp )
747 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
748 if ( c == '\n' || c == '\r' ) {
749 if (p != buf && *(p -1) == '\\') {
771 /* check access list. this function wants something of the following
773 * @group,name,name2,@group2,name3
775 * a NULL argument allows everybody to have access.
776 * we return three things:
778 * 0: list exists, but name isn't in it
782 #ifndef NO_REAL_USER_NAME
783 /* authentication is case insensitive
784 * FIXME should we do the same with group name?
786 #define access_strcmp strcasecmp
789 #define access_strcmp strcmp
793 static int accessvol(args, name)
797 char buf[MAXPATHLEN + 1], *p;
803 strlcpy(buf, args, sizeof(buf));
804 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
808 if (*p == '@') { /* it's a group */
809 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
811 } else if (access_strcmp(p, name) == 0) /* it's a user name */
813 p = strtok(NULL, ",");
819 static void setextmap( ext, type, creator, user)
820 char *ext, *type, *creator;
826 if (Extmap == NULL) {
827 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
828 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
833 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
834 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
839 if ( em->em_ext == NULL ) {
840 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
841 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
844 (Extmap +cnt +1)->em_ext = NULL;
846 } else if ( !user ) {
852 if (!(em->em_ext = strdup( ext))) {
853 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
857 if ( *type == '\0' ) {
858 memcpy(em->em_type, "????", sizeof( em->em_type ));
860 memcpy(em->em_type, type, sizeof( em->em_type ));
862 if ( *creator == '\0' ) {
863 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
865 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
869 /* -------------------------- */
870 static int extmap_cmp(const void *map1, const void *map2)
872 const struct extmap *em1 = map1;
873 const struct extmap *em2 = map2;
874 return strdiacasecmp(em1->em_ext, em2->em_ext);
877 static void sortextmap( void)
882 if ((em = Extmap) == NULL) {
890 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
891 if (*Extmap->em_ext == 0) {
892 /* the first line is really "." the default entry,
893 * we remove the leading '.' in setextmap
900 /* ----------------------
902 static void free_extmap( void)
907 for ( em = Extmap; em->em_ext; em++) {
917 /* ----------------------
919 static int volfile_changed(struct afp_volume_name *p)
929 if (!stat( name, &st) && st.st_mtime > p->mtime) {
930 p->mtime = st.st_mtime;
936 /* ----------------------
937 * Read a volume configuration file and add the volumes contained within to
938 * the global volume list. If p2 is non-NULL, the file that is opened is
941 * Lines that begin with # and blank lines are ignored.
942 * Volume lines are of the form:
943 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
944 * [codepage:<file>] [casefold:<num>]
945 * <extension> TYPE [CREATOR]
947 static int readvolfile(obj, p1, p2, user, pwent)
949 struct afp_volume_name *p1;
952 struct passwd *pwent;
955 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
956 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
957 type[ 5 ], creator[ 5 ];
960 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
968 strcpy( path, p1->name );
975 p1->full_name = strdup(path);
978 if (NULL == ( fp = fopen( path, "r" )) ) {
982 if (fd != -1 && !fstat( fd, &st) ) {
983 p1->mtime = st.st_mtime;
986 memset(save_options, 0, sizeof(save_options));
987 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
988 initline( strlen( buf ), buf );
989 parseline( sizeof( path ) - 1, path );
996 /* change the default options for this file */
997 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
999 for (i = 0; i < VOLOPT_NUM; i++) {
1000 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1001 path + VOLOPT_DEFAULT_LEN) < 0)
1003 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1004 path + VOLOPT_DEFAULT_LEN);
1010 if (( p = strchr( path, '/' )) != NULL ) {
1018 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1021 strcpy( tmp, pw->pw_dir );
1022 if ( p != NULL && *p != '\0' ) {
1026 /* Tag a user's home directory with their umask. Note, this will
1027 * be overwritten if the user actually specifies a umask: option
1028 * for a '~' volume. */
1029 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
1033 /* send path through variable substitution */
1034 if (*path != '~') /* need to copy path to tmp */
1037 pwent = getpwnam(obj->username);
1038 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1040 /* this is sort of braindead. basically, i want to be
1041 * able to specify things in any order, but i don't want to
1042 * re-write everything.
1044 * currently we have options:
1052 * options:prodos,crlf,noadouble,ro...
1057 * namemask:x,y,!z (not implemented yet)
1059 memcpy(options, save_options, sizeof(options));
1062 /* read in up to VOLOP_NUM possible options */
1063 for (i = 0; i < VOLOPT_NUM; i++) {
1064 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1067 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1070 /* check allow/deny lists:
1071 allow -> either no list (-1), or in list (1)
1072 deny -> either no list (-1), or not in list (0) */
1073 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1074 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1076 /* handle read-only behaviour. semantics:
1077 * 1) neither the rolist nor the rwlist exist -> rw
1078 * 2) rolist exists -> ro if user is in it.
1079 * 3) rwlist exists -> ro unless user is in it. */
1080 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1081 ((accessvol(options[VOLOPT_ROLIST].c_value,
1082 obj->username) == 1) ||
1083 !accessvol(options[VOLOPT_RWLIST].c_value,
1085 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1087 /* do variable substitution for volname */
1088 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1089 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1091 volfree(options, save_options);
1095 parseline( sizeof( type ) - 1, type );
1096 parseline( sizeof( creator ) - 1, creator );
1097 setextmap( path, type, creator, user);
1104 volfree(save_options, NULL);
1106 if ( fclose( fp ) != 0 ) {
1107 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1113 /* ------------------------------- */
1114 static void volume_free(struct vol *vol)
1119 free(vol->v_password);
1121 free(vol->v_volcodepage);
1122 free(vol->v_maccodepage);
1123 free(vol->v_cnidscheme);
1124 free(vol->v_dbpath);
1127 free(vol->v_forceuid);
1128 free(vol->v_forcegid);
1129 #endif /* FORCE_UIDGID */
1132 /* ------------------------------- */
1133 static void free_volumes(void )
1136 struct vol *nvol, *ovol;
1138 for ( vol = Volumes; vol; vol = vol->v_next ) {
1139 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1146 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1149 if (vol->v_name == NULL) {
1150 if (Volumes == vol) {
1155 ovol->v_next = nvol;
1165 /* ------------------------------- */
1166 static void volume_unlink(struct vol *volume)
1168 struct vol *vol, *ovol, *nvol;
1170 if (volume == Volumes) {
1171 Volumes = Volumes->v_next;
1174 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1177 if (vol == volume) {
1178 ovol->v_next = nvol;
1187 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1189 u_int32_t *bfree, *btotal, *bsize;
1190 VolSpace *xbfree, *xbtotal;
1194 #ifndef NO_QUOTA_SUPPORT
1195 VolSpace qfree, qtotal;
1198 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1199 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1200 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1201 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1202 ? 0x7fffffffL : 0xffffffffL);
1205 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1206 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1207 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1208 goto getvolspace_done;
1213 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1214 bsize)) != AFP_OK ) {
1218 #define min(a,b) ((a)<(b)?(a):(b))
1219 #ifndef NO_QUOTA_SUPPORT
1220 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1221 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1222 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1223 *xbfree = min(*xbfree, qfree);
1224 *xbtotal = min( *xbtotal, qtotal);
1225 goto getvolspace_done;
1229 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1232 *bfree = min( *xbfree, maxsize);
1233 *btotal = min( *xbtotal, maxsize);
1237 /* -----------------------
1238 * set volume creation date
1239 * avoid duplicate, well at least it tries
1241 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1244 struct vol *vol = Volumes;
1246 for ( volume = Volumes; volume; volume = volume->v_next ) {
1247 if (volume->v_vid == id) {
1250 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1252 volume = Volumes; /* restart */
1255 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1256 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1259 /* ----------------------- */
1260 static int getvolparams( bitmap, vol, st, buf, buflen )
1268 int bit = 0, isad = 1;
1271 u_int32_t bfree, btotal, bsize;
1272 VolSpace xbfree, xbtotal; /* extended bytes */
1273 char *data, *nameoff = NULL;
1276 /* courtesy of jallison@whistle.com:
1277 * For MacOS8.x support we need to create the
1278 * .Parent file here if it doesn't exist. */
1280 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1281 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1282 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1285 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1287 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1288 slash = strrchr( vol->v_path, '/' );
1292 slash = vol->v_path;
1293 if (ad_getentryoff(&ad, ADEID_NAME)) {
1294 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1295 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1296 ad_getentrylen( &ad, ADEID_NAME ));
1298 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1299 ad_flush(&ad, ADFLAGS_HF);
1302 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1303 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1305 vol->v_ctime = aint;
1308 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1309 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1310 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1311 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1314 ad_close( &ad, ADFLAGS_HF );
1316 return( AFPERR_PARAM );
1321 while ( bitmap != 0 ) {
1322 while (( bitmap & 1 ) == 0 ) {
1330 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1331 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1332 ashort = VOLPBIT_ATTR_FILEID;
1334 /* check for read-only.
1335 * NOTE: we don't actually set the read-only flag unless
1336 * it's passed in that way as it's possible to mount
1337 * a read-write filesystem under a read-only one. */
1338 if ((vol->v_flags & AFPVOL_RO) ||
1339 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1340 ashort |= VOLPBIT_ATTR_RO;
1342 ashort |= VOLPBIT_ATTR_CATSEARCH;
1343 if (afp_version >= 30) {
1344 ashort |= VOLPBIT_ATTR_UTF8;
1345 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1346 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1348 ashort = htons(ashort);
1349 memcpy(data, &ashort, sizeof( ashort ));
1350 data += sizeof( ashort );
1354 ashort = htons( AFPVOLSIG_DEFAULT );
1355 memcpy(data, &ashort, sizeof( ashort ));
1356 data += sizeof( ashort );
1359 case VOLPBIT_CDATE :
1360 aint = vol->v_ctime;
1361 memcpy(data, &aint, sizeof( aint ));
1362 data += sizeof( aint );
1365 case VOLPBIT_MDATE :
1366 if ( st->st_mtime > vol->v_mtime ) {
1367 vol->v_mtime = st->st_mtime;
1369 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1370 memcpy(data, &aint, sizeof( aint ));
1371 data += sizeof( aint );
1374 case VOLPBIT_BDATE :
1375 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1376 aint = AD_DATE_START;
1377 memcpy(data, &aint, sizeof( aint ));
1378 data += sizeof( aint );
1382 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1383 data += sizeof( vol->v_vid );
1386 case VOLPBIT_BFREE :
1387 bfree = htonl( bfree );
1388 memcpy(data, &bfree, sizeof( bfree ));
1389 data += sizeof( bfree );
1392 case VOLPBIT_BTOTAL :
1393 btotal = htonl( btotal );
1394 memcpy(data, &btotal, sizeof( btotal ));
1395 data += sizeof( btotal );
1398 #ifndef NO_LARGE_VOL_SUPPORT
1399 case VOLPBIT_XBFREE :
1400 xbfree = hton64( xbfree );
1401 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1402 bcopy(&xbfree, data, sizeof(xbfree));
1403 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1404 memcpy(data, &xbfree, sizeof( xbfree ));
1405 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1406 data += sizeof( xbfree );
1409 case VOLPBIT_XBTOTAL :
1410 xbtotal = hton64( xbtotal );
1411 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1412 bcopy(&xbtotal, data, sizeof(xbtotal));
1413 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1414 memcpy(data, &xbtotal, sizeof( xbtotal ));
1415 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1416 data += sizeof( xbfree );
1418 #endif /* ! NO_LARGE_VOL_SUPPORT */
1422 data += sizeof( u_int16_t );
1425 case VOLPBIT_BSIZE: /* block size */
1426 bsize = htonl(bsize);
1427 memcpy(data, &bsize, sizeof(bsize));
1428 data += sizeof(bsize);
1433 ad_close( &ad, ADFLAGS_HF );
1435 return( AFPERR_BITMAP );
1441 ashort = htons( data - buf );
1442 memcpy(nameoff, &ashort, sizeof( ashort ));
1443 /* name is always in mac charset, FIXME mangle if length > 27 char */
1444 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1454 ad_close( &ad, ADFLAGS_HF );
1456 *buflen = data - buf;
1460 /* ------------------------- */
1461 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1466 if ( stat( vol->v_path, &st ) < 0 ) {
1468 return( AFPERR_PARAM );
1470 /* save the volume device number */
1471 vol->v_dev = st.st_dev;
1473 buflen = *rbuflen - sizeof( bitmap );
1474 if (( ret = getvolparams( bitmap, vol, &st,
1475 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1479 *rbuflen = buflen + sizeof( bitmap );
1480 bitmap = htons( bitmap );
1481 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1486 /* ------------------------------- */
1487 void load_volumes(AFPObj *obj)
1489 struct passwd *pwent;
1494 /* check files date */
1495 if (obj->options.defaultvol.loaded) {
1496 changed = volfile_changed(&obj->options.defaultvol);
1498 if (obj->options.systemvol.loaded) {
1499 changed |= volfile_changed(&obj->options.systemvol);
1501 if (obj->options.uservol.loaded) {
1502 changed |= volfile_changed(&obj->options.uservol);
1511 pwent = getpwnam(obj->username);
1512 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1513 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1516 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1517 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1520 * Read user's AppleVolumes or .AppleVolumes file
1521 * If neither are readable, read the default volumes file. if
1522 * that doesn't work, create a user share.
1524 if (obj->options.uservol.name) {
1525 free(obj->options.uservol.name);
1527 obj->options.uservol.name = strdup(pwent->pw_dir);
1528 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1529 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1530 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1531 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1532 obj->options.defaultvol.name != NULL ) {
1533 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1534 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1537 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1538 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1542 /* ------------------------------- */
1543 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1545 char *ibuf _U_, *rbuf;
1546 int ibuflen _U_, *rbuflen;
1559 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1560 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1563 if ( stat( volume->v_path, &st ) < 0 ) {
1564 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1565 volume->v_path, strerror(errno) );
1566 continue; /* can't access directory */
1568 if (!S_ISDIR(st.st_mode)) {
1569 continue; /* not a dir */
1571 accessmode(volume->v_path, &ma, NULL, &st);
1572 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1573 continue; /* no r-x access */
1576 if (volume->v_hide) {
1577 continue; /* config file changed but the volume was mounted */
1579 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1580 &namebuf, volume->v_name);
1581 if (len == (size_t)-1)
1584 /* set password bit if there's a volume password */
1585 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1587 /* Apple 2 clients running ProDOS-8 expect one volume to have
1588 bit 0 of this byte set. They will not recognize anything
1589 on the server unless this is the case. I have not
1590 completely worked this out, but it's related to booting
1591 from the server. Support for that function is a ways
1592 off.. <shirsch@ibm.net> */
1593 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1594 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1596 memcpy(data, namebuf, len );
1602 *rbuflen = data - rbuf;
1604 if ( gettimeofday( &tv, 0 ) < 0 ) {
1605 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1607 return AFPERR_PARAM;
1609 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1610 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1611 data += sizeof( u_int32_t);
1616 /* -------------------------
1617 * we are the user here
1619 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1622 int ibuflen _U_, *rbuflen;
1632 char path[ MAXPATHLEN + 1];
1637 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1638 bitmap = ntohs( bitmap );
1639 ibuf += sizeof( bitmap );
1640 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1642 return AFPERR_BITMAP;
1645 len = (unsigned char)*ibuf++;
1646 volname = obj->oldtmp;
1647 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1648 ibuf, len, volname, sizeof(obj->oldtmp));
1651 return AFPERR_PARAM;
1655 if ((len + 1) & 1) /* pad to an even boundary */
1660 for ( volume = Volumes; volume; volume = volume->v_next ) {
1661 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1666 if ( volume == NULL ) {
1668 return AFPERR_PARAM;
1671 /* check for a volume password */
1672 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1674 return AFPERR_ACCESS;
1677 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1678 /* the volume is already open */
1680 set_uidgid ( volume );
1682 return stat_vol(bitmap, volume, rbuf, rbuflen);
1685 /* initialize volume variables
1688 if (afp_version >= 30) {
1689 volume->max_filename = 255;
1692 volume->max_filename = MACFILELEN;
1695 volume->v_dir = volume->v_root = NULL;
1697 volume->v_flags |= AFPVOL_OPEN;
1698 volume->v_cdb = NULL;
1700 if (volume->v_root_preexec) {
1701 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1702 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1709 set_uidgid ( volume );
1712 if (volume->v_preexec) {
1713 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1714 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1720 if ( stat( volume->v_path, &st ) < 0 ) {
1725 if ( chdir( volume->v_path ) < 0 ) {
1730 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1731 volume->v_name, namelen, &vol_mname);
1732 if ( !vol_mname || len <= 0) {
1737 if ( NULL == getcwd(path, MAXPATHLEN)) {
1738 /* shouldn't be fatal but it will fail later */
1739 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1744 if ((vol_uname = strrchr(path, '/')) == NULL)
1746 else if (*(vol_uname + 1) != '\0')
1749 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1751 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1757 dir->d_did = DIRDID_ROOT;
1758 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1759 volume->v_dir = volume->v_root = dir;
1761 curdir = volume->v_dir;
1762 if (volume->v_cnidscheme == NULL) {
1763 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1764 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1767 if (volume->v_dbpath)
1768 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1770 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1771 if (volume->v_cdb == NULL) {
1772 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1773 volume->v_path, volume->v_cnidscheme);
1780 if (!volume->v_volcodepage)
1781 volume->v_volcodepage = strdup("UTF8");
1783 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1784 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1789 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1790 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1793 if (!volume->v_maccodepage)
1794 volume->v_maccodepage = strdup(obj->options.maccodepage);
1796 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1797 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1802 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1803 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1808 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1809 if (ret == AFP_OK) {
1811 if (!(volume->v_flags & AFPVOL_RO)) {
1812 handle_special_folders( volume );
1813 savevoloptions( volume);
1817 * If you mount a volume twice, the second time the trash appears on
1818 * the desk-top. That's because the Mac remembers the DID for the
1819 * trash (even for volumes in different zones, on different servers).
1820 * Just so this works better, we prime the DID cache with the trash,
1821 * fixing the trash at DID 17.
1822 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1824 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1826 /* FIXME find db time stamp */
1827 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1828 LOG (log_error, logtype_afpd,
1829 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1837 cname( volume, volume->v_dir, &p );
1843 if (volume->v_dir) {
1844 dirfree( volume->v_dir );
1845 volume->v_dir = volume->v_root = NULL;
1848 volume->v_flags &= ~AFPVOL_OPEN;
1849 if (volume->v_cdb != NULL) {
1850 cnid_close(volume->v_cdb);
1851 volume->v_cdb = NULL;
1857 /* ------------------------- */
1858 static void closevol(struct vol *vol)
1863 dirfree( vol->v_root );
1865 if (vol->v_cdb != NULL) {
1866 cnid_close(vol->v_cdb);
1870 if (vol->v_postexec) {
1871 afprun(0, vol->v_postexec, NULL);
1873 if (vol->v_root_postexec) {
1874 afprun(1, vol->v_root_postexec, NULL);
1878 /* ------------------------- */
1879 void close_all_vol(void)
1883 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1884 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1885 ovol->v_flags &= ~AFPVOL_OPEN;
1891 /* ------------------------- */
1892 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1894 char *ibuf, *rbuf _U_;
1895 int ibuflen _U_, *rbuflen;
1897 struct vol *vol, *ovol;
1902 memcpy(&vid, ibuf, sizeof( vid ));
1903 if (NULL == ( vol = getvolbyvid( vid )) ) {
1904 return( AFPERR_PARAM );
1907 vol->v_flags &= ~AFPVOL_OPEN;
1908 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1909 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1913 if ( ovol != NULL ) {
1914 /* Even if chdir fails, we can't say afp_closevol fails. */
1915 if ( chdir( ovol->v_path ) == 0 ) {
1916 curdir = ovol->v_dir;
1921 if (vol->v_deleted) {
1922 showvol(vol->v_name);
1930 /* ------------------------- */
1931 struct vol *getvolbyvid(const u_int16_t vid )
1935 for ( vol = Volumes; vol; vol = vol->v_next ) {
1936 if ( vid == vol->v_vid ) {
1940 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1946 #endif /* FORCE_UIDGID */
1951 /* ------------------------ */
1952 static int ext_cmp_key(const void *key, const void *obj)
1954 const char *p = key;
1955 const struct extmap *em = obj;
1956 return strdiacasecmp(p, em->em_ext);
1958 struct extmap *getextmap(const char *path)
1963 if (NULL == ( p = strrchr( path, '.' )) ) {
1964 return( Defextmap );
1967 if (!*p || !Extmap_cnt) {
1968 return( Defextmap );
1970 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1974 return( Defextmap );
1978 /* ------------------------- */
1979 struct extmap *getdefextmap(void)
1981 return( Defextmap );
1984 /* --------------------------
1985 poll if a volume is changed by other processes.
1987 int pollvoltime(obj)
1994 if (!(afp_version > 21 && obj->options.server_notif))
1997 if ( gettimeofday( &tv, 0 ) < 0 )
2000 for ( vol = Volumes; vol; vol = vol->v_next ) {
2001 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2002 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2003 vol->v_mtime = st.st_mtime;
2004 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2013 /* ------------------------- */
2014 void setvoltime(obj, vol )
2020 /* just looking at vol->v_mtime is broken seriously since updates
2021 * from other users afpd processes never are seen.
2022 * This is not the most elegant solution (a shared memory between
2023 * the afpd processes would come closer)
2026 if ( gettimeofday( &tv, 0 ) < 0 ) {
2027 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2030 if( utime( vol->v_path, NULL ) < 0 ) {
2031 /* write of time failed ... probably a read only filesys,
2032 * where no other users can interfere, so there's no issue here
2036 /* a little granularity */
2037 if (vol->v_mtime < tv.tv_sec) {
2038 vol->v_mtime = tv.tv_sec;
2039 /* or finder doesn't update free space */
2040 if (afp_version > 21 && obj->options.server_notif) {
2041 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2046 /* ------------------------- */
2047 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2050 int ibuflen _U_, *rbuflen;
2053 u_int16_t vid, bitmap;
2056 memcpy(&vid, ibuf, sizeof( vid ));
2057 ibuf += sizeof( vid );
2058 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2059 bitmap = ntohs( bitmap );
2061 if (NULL == ( vol = getvolbyvid( vid )) ) {
2063 return( AFPERR_PARAM );
2066 return stat_vol(bitmap, vol, rbuf, rbuflen);
2069 /* ------------------------- */
2070 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2072 char *ibuf, *rbuf _U_;
2073 int ibuflen _U_, *rbuflen;
2077 u_int16_t vid, bitmap;
2083 memcpy(&vid, ibuf, sizeof( vid ));
2084 ibuf += sizeof( vid );
2085 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2086 bitmap = ntohs( bitmap );
2087 ibuf += sizeof(bitmap);
2089 if (( vol = getvolbyvid( vid )) == NULL ) {
2090 return( AFPERR_PARAM );
2093 if ((vol->v_flags & AFPVOL_RO))
2094 return AFPERR_VLOCK;
2096 /* we can only set the backup date. */
2097 if (bitmap != (1 << VOLPBIT_BDATE))
2098 return AFPERR_BITMAP;
2100 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2101 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2104 return AFPERR_VLOCK;
2106 return AFPERR_ACCESS;
2109 memcpy(&aint, ibuf, sizeof(aint));
2110 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2111 ad_flush(&ad, ADFLAGS_HF);
2112 ad_close(&ad, ADFLAGS_HF);
2116 /* ------------------------- */
2117 int wincheck(const struct vol *vol, const char *path)
2121 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2124 /* empty paths are not allowed */
2125 if ((len = strlen(path)) == 0)
2128 /* leading or trailing whitespaces are not allowed, carriage returns
2129 * and probably other whitespace is okay, tabs are not allowed
2131 if ((path[0] == ' ') || (path[len-1] == ' '))
2134 /* certain characters are not allowed */
2135 if (strpbrk(path, MSWINDOWS_BADCHARS))
2138 /* everything else is okay */
2144 * precreate a folder
2145 * this is only intended for folders in the volume root
2146 * It will *not* work if the folder name contains extended characters
2148 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2157 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2159 LOG(log_error, logtype_afpd,"malloc failed");
2163 q=strdup(folder->name);
2165 LOG(log_error, logtype_afpd,"malloc failed");
2169 strcpy(p, vol->v_path);
2174 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2176 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2182 if ( (ret = stat( p, &st )) < 0 ) {
2183 if (folder->precreate) {
2184 if (ad_mkdir(p, folder->mode)) {
2185 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2194 if ( !ret && folder->hide) {
2196 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2197 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2198 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2203 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2204 if (ad_getentryoff(&ad, ADEID_NAME)) {
2205 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2206 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2207 ad_getentrylen( &ad, ADEID_NAME ));
2211 ad_getattr(&ad, &attr);
2212 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2213 ad_setattr(&ad, attr);
2215 /* do the same with the finder info */
2216 if (ad_entry(&ad, ADEID_FINDERI)) {
2217 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2218 attr |= htons(FINDERINFO_INVISIBLE);
2219 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2222 ad_flush( &ad, ADFLAGS_HF );
2223 ad_close( &ad, ADFLAGS_HF );
2230 static void handle_special_folders (const struct vol * vol)
2232 const _special_folder *p = &special_folders[0];
2234 if ((vol->v_flags & AFPVOL_RO))
2237 for (; p->name != NULL; p++) {
2238 create_special_folder (vol, p);
2243 * Save the volume options to a file, used by
2245 * Writing the file everytime a volume is opened is
2246 * unnecessary, but it shouldn't hurt much.
2248 static int savevoloptions (const struct vol *vol)
2251 char item[MAXPATHLEN];
2255 const _vol_opt_name *op = &vol_opt_names[0];
2256 const _vol_opt_name *cf = &vol_opt_casefold[0];
2258 strlcpy (item, vol->v_path, sizeof(item));
2259 strlcat (item, "/.AppleDesktop/", sizeof(item));
2260 strlcat (item, VOLINFOFILE, sizeof(item));
2262 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2263 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2267 /* try to get a lock */
2269 lock.l_whence = SEEK_SET;
2271 lock.l_type = F_WRLCK;
2273 if (fcntl(fd, F_SETLK, &lock) < 0) {
2274 if (errno == EACCES || errno == EAGAIN) {
2275 /* ignore, other process already writing the file */
2278 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2283 /* write volume options */
2284 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2285 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2286 strlcat(buf, item, sizeof(buf));
2288 switch (vol->v_adouble) {
2290 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2293 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2295 case AD_VERSION2_OSX:
2296 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2300 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2301 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2302 strlcat(buf, "\n", sizeof(buf));
2304 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2305 strlcat(buf, Cnid_srv, sizeof(buf));
2306 strlcat(buf, "\n", sizeof(buf));
2308 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2309 strlcat(buf, item, sizeof(buf));
2311 strcpy(item, "CNID_DBPATH:");
2313 strlcat(item, vol->v_dbpath, sizeof(item));
2315 strlcat(item, vol->v_path, sizeof(item));
2316 strlcat(item, "\n", sizeof(item));
2317 strlcat(buf, item, sizeof(buf));
2320 strcpy(item, "VOLUME_OPTS:");
2321 for (;op->name; op++) {
2322 if ( (vol->v_flags & op->option) ) {
2323 strlcat(item, op->name, sizeof(item));
2324 strlcat(item, " ", sizeof(item));
2327 strlcat(item, "\n", sizeof(item));
2328 strlcat(buf, item, sizeof(buf));
2330 /* casefold flags */
2331 strcpy(item, "VOLCASEFOLD:");
2332 for (;cf->name; cf++) {
2333 if ( (vol->v_casefold & cf->option) ) {
2334 strlcat(item, cf->name, sizeof(item));
2335 strlcat(item, " ", sizeof(item));
2338 strlcat(item, "\n", sizeof(item));
2339 strlcat(buf, item, sizeof(buf));
2341 if (strlen(buf) >= sizeof(buf)-1)
2342 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2345 if (write( fd, buf, strlen(buf)) < 0 || ftruncate(fd, strlen(buf)) < 0 ) {
2346 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2349 lock.l_type = F_UNLCK;
2350 fcntl(fd, F_SETLK, &lock);