2 * $Id: volume.c,v 1.51.2.7.2.33.2.13 2006-09-19 02:24:05 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 __inline__ 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) ? strncasecmp(name,".Apple", 6) && strcasecmp(name, ".Parent")
544 /* ----------------- */
545 static int validupath_osx(const struct vol *vol _U_, const char *name)
547 return strncasecmp(name,".Apple", 6) && strncasecmp(name,"._", 2);
550 /* ---------------- */
551 static void initvoladouble(struct vol *vol)
553 if (vol->v_adouble == AD_VERSION2_OSX) {
554 vol->validupath = validupath_osx;
555 vol->ad_path = ad_path_osx;
558 vol->validupath = validupath_adouble;
559 vol->ad_path = ad_path;
563 /* ------------------------------- */
564 static int creatvol(AFPObj *obj, struct passwd *pwd,
565 char *path, char *name,
566 struct vol_option *options,
567 const int user /* user defined volume */
575 if ( name == NULL || *name == '\0' ) {
576 if ((name = strrchr( path, '/' )) == NULL) {
577 return -1; /* Obviously not a fully qualified path */
580 /* if you wish to share /, you need to specify a name. */
585 vlen = strlen( name );
586 if ( vlen > AFPVOL_NAMELEN ) {
587 vlen = AFPVOL_NAMELEN;
588 name[AFPVOL_NAMELEN] = '\0';
591 /* convert name to UCS2 first */
592 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
595 for ( volume = Volumes; volume; volume = volume->v_next ) {
596 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
597 if (volume->v_deleted) {
601 return -1; /* Won't be able to access it, anyway... */
607 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
608 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
611 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
612 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
616 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
617 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
618 free(volume->v_name);
622 volume->v_hide = hide;
623 strcpy( volume->v_path, path );
627 #endif /* __svr4__ */
628 /* os X start at 1 and use network order ie. 1 2 3 */
629 volume->v_vid = ++lastvid;
630 volume->v_vid = htons(volume->v_vid);
634 /* should we casefold? */
635 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
637 /* shift in some flags */
638 volume->v_flags = options[VOLOPT_FLAGS].i_value;
640 volume->v_ad_options = 0;
641 if ((volume->v_flags & AFPVOL_NODEV))
642 volume->v_ad_options |= ADVOL_NODEV;
643 if ((volume->v_flags & AFPVOL_CACHE))
644 volume->v_ad_options |= ADVOL_CACHE;
645 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
646 volume->v_ad_options |= ADVOL_UNIXPRIV;
647 if ((volume->v_flags & AFPVOL_INV_DOTS))
648 volume->v_ad_options |= ADVOL_INVDOTS;
650 if (options[VOLOPT_PASSWORD].c_value)
651 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
653 if (options[VOLOPT_VETO].c_value)
654 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
656 if (options[VOLOPT_ENCODING].c_value)
657 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
659 if (options[VOLOPT_MACCHARSET].c_value)
660 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
662 if (options[VOLOPT_DBPATH].c_value)
663 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
665 if (options[VOLOPT_CNIDSCHEME].c_value)
666 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
668 if (options[VOLOPT_UMASK].i_value)
669 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
671 if (options[VOLOPT_DFLTPERM].i_value)
672 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
674 if (options[VOLOPT_ADOUBLE].i_value)
675 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
677 volume->v_adouble = AD_VERSION;
679 if (options[VOLOPT_FORCEUID].c_value) {
680 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
682 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
685 if (options[VOLOPT_FORCEGID].c_value) {
686 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
688 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
692 if (options[VOLOPT_PREEXEC].c_value)
693 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
694 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
696 if (options[VOLOPT_POSTEXEC].c_value)
697 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
699 if (options[VOLOPT_ROOTPREEXEC].c_value)
700 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
701 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
703 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
704 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
708 initvoladouble(volume);
709 volume->v_next = Volumes;
714 /* ---------------- */
715 static char *myfgets( buf, size, fp )
724 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
725 if ( c == '\n' || c == '\r' ) {
743 /* check access list. this function wants something of the following
745 * @group,name,name2,@group2,name3
747 * a NULL argument allows everybody to have access.
748 * we return three things:
750 * 0: list exists, but name isn't in it
754 #ifndef NO_REAL_USER_NAME
755 /* authentication is case insensitive
756 * FIXME should we do the same with group name?
758 #define access_strcmp strcasecmp
761 #define access_strcmp strcmp
765 static int accessvol(args, name)
769 char buf[MAXPATHLEN + 1], *p;
775 strlcpy(buf, args, sizeof(buf));
776 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
780 if (*p == '@') { /* it's a group */
781 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
783 } else if (access_strcmp(p, name) == 0) /* it's a user name */
785 p = strtok(NULL, ",");
791 static void setextmap( ext, type, creator, user)
792 char *ext, *type, *creator;
798 if (Extmap == NULL) {
799 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
800 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
805 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
806 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
811 if ( em->em_ext == NULL ) {
812 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
813 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
816 (Extmap +cnt +1)->em_ext = NULL;
818 } else if ( !user ) {
824 if (!(em->em_ext = strdup( ext))) {
825 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
829 if ( *type == '\0' ) {
830 memcpy(em->em_type, "????", sizeof( em->em_type ));
832 memcpy(em->em_type, type, sizeof( em->em_type ));
834 if ( *creator == '\0' ) {
835 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
837 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
841 /* -------------------------- */
842 static int extmap_cmp(const void *map1, const void *map2)
844 const struct extmap *em1 = map1;
845 const struct extmap *em2 = map2;
846 return strdiacasecmp(em1->em_ext, em2->em_ext);
849 static void sortextmap( void)
854 if ((em = Extmap) == NULL) {
862 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
863 if (*Extmap->em_ext == 0) {
864 /* the first line is really "." the default entry,
865 * we remove the leading '.' in setextmap
872 /* ----------------------
874 static void free_extmap( void)
879 for ( em = Extmap; em->em_ext; em++) {
889 /* ----------------------
891 static int volfile_changed(struct afp_volume_name *p)
901 if (!stat( name, &st) && st.st_mtime > p->mtime) {
902 p->mtime = st.st_mtime;
908 /* ----------------------
909 * Read a volume configuration file and add the volumes contained within to
910 * the global volume list. If p2 is non-NULL, the file that is opened is
913 * Lines that begin with # and blank lines are ignored.
914 * Volume lines are of the form:
915 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
916 * [codepage:<file>] [casefold:<num>]
917 * <extension> TYPE [CREATOR]
919 static int readvolfile(obj, p1, p2, user, pwent)
921 struct afp_volume_name *p1;
924 struct passwd *pwent;
927 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
928 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
929 type[ 5 ], creator[ 5 ];
932 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
940 strcpy( path, p1->name );
947 p1->full_name = strdup(path);
950 if (NULL == ( fp = fopen( path, "r" )) ) {
954 if (fd != -1 && !fstat( fd, &st) ) {
955 p1->mtime = st.st_mtime;
958 memset(save_options, 0, sizeof(save_options));
959 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
960 initline( strlen( buf ), buf );
961 parseline( sizeof( path ) - 1, path );
968 /* change the default options for this file */
969 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
971 for (i = 0; i < VOLOPT_NUM; i++) {
972 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
973 path + VOLOPT_DEFAULT_LEN) < 0)
975 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
976 path + VOLOPT_DEFAULT_LEN);
982 if (( p = strchr( path, '/' )) != NULL ) {
990 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
993 strcpy( tmp, pw->pw_dir );
994 if ( p != NULL && *p != '\0' ) {
998 /* Tag a user's home directory with their umask. Note, this will
999 * be overwritten if the user actually specifies a umask: option
1000 * for a '~' volume. */
1001 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
1005 /* send path through variable substitution */
1006 if (*path != '~') /* need to copy path to tmp */
1009 pwent = getpwnam(obj->username);
1010 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1012 /* this is sort of braindead. basically, i want to be
1013 * able to specify things in any order, but i don't want to
1014 * re-write everything.
1016 * currently we have options:
1024 * options:prodos,crlf,noadouble,ro...
1029 * namemask:x,y,!z (not implemented yet)
1031 memcpy(options, save_options, sizeof(options));
1034 /* read in up to VOLOP_NUM possible options */
1035 for (i = 0; i < VOLOPT_NUM; i++) {
1036 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1039 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1042 /* check allow/deny lists:
1043 allow -> either no list (-1), or in list (1)
1044 deny -> either no list (-1), or not in list (0) */
1045 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1046 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1048 /* handle read-only behaviour. semantics:
1049 * 1) neither the rolist nor the rwlist exist -> rw
1050 * 2) rolist exists -> ro if user is in it.
1051 * 3) rwlist exists -> ro unless user is in it. */
1052 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1053 ((accessvol(options[VOLOPT_ROLIST].c_value,
1054 obj->username) == 1) ||
1055 !accessvol(options[VOLOPT_RWLIST].c_value,
1057 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1059 /* do variable substitution for volname */
1060 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1061 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1063 volfree(options, save_options);
1067 parseline( sizeof( type ) - 1, type );
1068 parseline( sizeof( creator ) - 1, creator );
1069 setextmap( path, type, creator, user);
1076 volfree(save_options, NULL);
1078 if ( fclose( fp ) != 0 ) {
1079 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1085 /* ------------------------------- */
1086 static void volume_free(struct vol *vol)
1091 free(vol->v_password);
1093 free(vol->v_volcodepage);
1094 free(vol->v_maccodepage);
1095 free(vol->v_cnidscheme);
1096 free(vol->v_dbpath);
1099 free(vol->v_forceuid);
1100 free(vol->v_forcegid);
1101 #endif /* FORCE_UIDGID */
1104 /* ------------------------------- */
1105 static void free_volumes(void )
1108 struct vol *nvol, *ovol;
1110 for ( vol = Volumes; vol; vol = vol->v_next ) {
1111 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1118 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1121 if (vol->v_name == NULL) {
1122 if (Volumes == vol) {
1127 ovol->v_next = nvol;
1137 /* ------------------------------- */
1138 static void volume_unlink(struct vol *volume)
1140 struct vol *vol, *ovol, *nvol;
1142 if (volume == Volumes) {
1143 Volumes = Volumes->v_next;
1146 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1149 if (vol == volume) {
1150 ovol->v_next = nvol;
1159 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1161 u_int32_t *bfree, *btotal, *bsize;
1162 VolSpace *xbfree, *xbtotal;
1166 #ifndef NO_QUOTA_SUPPORT
1167 VolSpace qfree, qtotal;
1170 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1171 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1172 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1173 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1174 ? 0x7fffffffL : 0xffffffffL);
1177 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1178 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1179 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1180 goto getvolspace_done;
1185 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1186 bsize)) != AFP_OK ) {
1190 #define min(a,b) ((a)<(b)?(a):(b))
1191 #ifndef NO_QUOTA_SUPPORT
1192 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1193 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1194 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1195 *xbfree = min(*xbfree, qfree);
1196 *xbtotal = min( *xbtotal, qtotal);
1197 goto getvolspace_done;
1201 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1204 *bfree = min( *xbfree, maxsize);
1205 *btotal = min( *xbtotal, maxsize);
1209 /* -----------------------
1210 * set volume creation date
1211 * avoid duplicate, well at least it tries
1213 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1216 struct vol *vol = Volumes;
1218 for ( volume = Volumes; volume; volume = volume->v_next ) {
1219 if (volume->v_vid == id) {
1222 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1224 volume = Volumes; /* restart */
1227 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1228 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1231 /* ----------------------- */
1232 static int getvolparams( bitmap, vol, st, buf, buflen )
1240 int bit = 0, isad = 1;
1243 u_int32_t bfree, btotal, bsize;
1244 VolSpace xbfree, xbtotal; /* extended bytes */
1245 char *data, *nameoff = NULL;
1248 /* courtesy of jallison@whistle.com:
1249 * For MacOS8.x support we need to create the
1250 * .Parent file here if it doesn't exist. */
1252 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1253 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1254 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1257 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1259 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1260 slash = strrchr( vol->v_path, '/' );
1264 slash = vol->v_path;
1265 if (ad_getentryoff(&ad, ADEID_NAME)) {
1266 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1267 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1268 ad_getentrylen( &ad, ADEID_NAME ));
1270 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1271 ad_flush(&ad, ADFLAGS_HF);
1274 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1275 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1277 vol->v_ctime = aint;
1280 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1281 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1282 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1283 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1286 ad_close( &ad, ADFLAGS_HF );
1288 return( AFPERR_PARAM );
1293 while ( bitmap != 0 ) {
1294 while (( bitmap & 1 ) == 0 ) {
1302 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1303 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1304 ashort = VOLPBIT_ATTR_FILEID;
1306 /* check for read-only.
1307 * NOTE: we don't actually set the read-only flag unless
1308 * it's passed in that way as it's possible to mount
1309 * a read-write filesystem under a read-only one. */
1310 if ((vol->v_flags & AFPVOL_RO) ||
1311 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1312 ashort |= VOLPBIT_ATTR_RO;
1314 ashort |= VOLPBIT_ATTR_CATSEARCH;
1315 if (afp_version >= 30) {
1316 ashort |= VOLPBIT_ATTR_UTF8;
1317 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1318 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1320 ashort = htons(ashort);
1321 memcpy(data, &ashort, sizeof( ashort ));
1322 data += sizeof( ashort );
1326 ashort = htons( AFPVOLSIG_DEFAULT );
1327 memcpy(data, &ashort, sizeof( ashort ));
1328 data += sizeof( ashort );
1331 case VOLPBIT_CDATE :
1332 aint = vol->v_ctime;
1333 memcpy(data, &aint, sizeof( aint ));
1334 data += sizeof( aint );
1337 case VOLPBIT_MDATE :
1338 if ( st->st_mtime > vol->v_mtime ) {
1339 vol->v_mtime = st->st_mtime;
1341 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1342 memcpy(data, &aint, sizeof( aint ));
1343 data += sizeof( aint );
1346 case VOLPBIT_BDATE :
1347 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1348 aint = AD_DATE_START;
1349 memcpy(data, &aint, sizeof( aint ));
1350 data += sizeof( aint );
1354 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1355 data += sizeof( vol->v_vid );
1358 case VOLPBIT_BFREE :
1359 bfree = htonl( bfree );
1360 memcpy(data, &bfree, sizeof( bfree ));
1361 data += sizeof( bfree );
1364 case VOLPBIT_BTOTAL :
1365 btotal = htonl( btotal );
1366 memcpy(data, &btotal, sizeof( btotal ));
1367 data += sizeof( btotal );
1370 #ifndef NO_LARGE_VOL_SUPPORT
1371 case VOLPBIT_XBFREE :
1372 xbfree = hton64( xbfree );
1373 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1374 bcopy(&xbfree, data, sizeof(xbfree));
1375 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1376 memcpy(data, &xbfree, sizeof( xbfree ));
1377 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1378 data += sizeof( xbfree );
1381 case VOLPBIT_XBTOTAL :
1382 xbtotal = hton64( xbtotal );
1383 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1384 bcopy(&xbtotal, data, sizeof(xbtotal));
1385 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1386 memcpy(data, &xbtotal, sizeof( xbtotal ));
1387 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1388 data += sizeof( xbfree );
1390 #endif /* ! NO_LARGE_VOL_SUPPORT */
1394 data += sizeof( u_int16_t );
1397 case VOLPBIT_BSIZE: /* block size */
1398 bsize = htonl(bsize);
1399 memcpy(data, &bsize, sizeof(bsize));
1400 data += sizeof(bsize);
1405 ad_close( &ad, ADFLAGS_HF );
1407 return( AFPERR_BITMAP );
1413 ashort = htons( data - buf );
1414 memcpy(nameoff, &ashort, sizeof( ashort ));
1415 /* name is always in mac charset, FIXME mangle if length > 27 char */
1416 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1426 ad_close( &ad, ADFLAGS_HF );
1428 *buflen = data - buf;
1432 /* ------------------------- */
1433 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1438 if ( stat( vol->v_path, &st ) < 0 ) {
1440 return( AFPERR_PARAM );
1442 /* save the volume device number */
1443 vol->v_dev = st.st_dev;
1445 buflen = *rbuflen - sizeof( bitmap );
1446 if (( ret = getvolparams( bitmap, vol, &st,
1447 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1451 *rbuflen = buflen + sizeof( bitmap );
1452 bitmap = htons( bitmap );
1453 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1458 /* ------------------------------- */
1459 void load_volumes(AFPObj *obj)
1461 struct passwd *pwent;
1466 /* check files date */
1467 if (obj->options.defaultvol.loaded) {
1468 changed = volfile_changed(&obj->options.defaultvol);
1470 if (obj->options.systemvol.loaded) {
1471 changed |= volfile_changed(&obj->options.systemvol);
1473 if (obj->options.uservol.loaded) {
1474 changed |= volfile_changed(&obj->options.uservol);
1483 pwent = getpwnam(obj->username);
1484 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1485 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1488 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1489 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1492 * Read user's AppleVolumes or .AppleVolumes file
1493 * If neither are readable, read the default volumes file. if
1494 * that doesn't work, create a user share.
1496 if (obj->options.uservol.name) {
1497 free(obj->options.uservol.name);
1499 obj->options.uservol.name = strdup(pwent->pw_dir);
1500 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1501 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1502 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1503 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1504 obj->options.defaultvol.name != NULL ) {
1505 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1506 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1509 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1510 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1514 /* ------------------------------- */
1515 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1517 char *ibuf _U_, *rbuf;
1518 int ibuflen _U_, *rbuflen;
1531 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1532 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1535 if ( stat( volume->v_path, &st ) < 0 ) {
1536 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1537 volume->v_path, strerror(errno) );
1538 continue; /* can't access directory */
1540 if (!S_ISDIR(st.st_mode)) {
1541 continue; /* not a dir */
1543 accessmode(volume->v_path, &ma, NULL, &st);
1544 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1545 continue; /* no r-x access */
1548 if (volume->v_hide) {
1549 continue; /* config file changed but the volume was mounted */
1551 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1552 &namebuf, volume->v_name);
1553 if (len == (size_t)-1)
1556 /* set password bit if there's a volume password */
1557 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1559 /* Apple 2 clients running ProDOS-8 expect one volume to have
1560 bit 0 of this byte set. They will not recognize anything
1561 on the server unless this is the case. I have not
1562 completely worked this out, but it's related to booting
1563 from the server. Support for that function is a ways
1564 off.. <shirsch@ibm.net> */
1565 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1566 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1568 memcpy(data, namebuf, len );
1574 *rbuflen = data - rbuf;
1576 if ( gettimeofday( &tv, 0 ) < 0 ) {
1577 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1579 return AFPERR_PARAM;
1581 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1582 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1583 data += sizeof( u_int32_t);
1588 /* -------------------------
1589 * we are the user here
1591 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1594 int ibuflen _U_, *rbuflen;
1604 char path[ MAXPATHLEN + 1];
1609 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1610 bitmap = ntohs( bitmap );
1611 ibuf += sizeof( bitmap );
1612 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1614 return AFPERR_BITMAP;
1617 len = (unsigned char)*ibuf++;
1618 volname = obj->oldtmp;
1619 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1620 ibuf, len, volname, sizeof(obj->oldtmp));
1623 return AFPERR_PARAM;
1627 if ((len + 1) & 1) /* pad to an even boundary */
1632 for ( volume = Volumes; volume; volume = volume->v_next ) {
1633 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1638 if ( volume == NULL ) {
1640 return AFPERR_PARAM;
1643 /* check for a volume password */
1644 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1646 return AFPERR_ACCESS;
1649 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1650 /* the volume is already open */
1652 set_uidgid ( volume );
1654 return stat_vol(bitmap, volume, rbuf, rbuflen);
1657 /* initialize volume variables
1660 if (afp_version >= 30) {
1661 volume->max_filename = 255;
1664 volume->max_filename = MACFILELEN;
1667 volume->v_dir = volume->v_root = NULL;
1669 volume->v_flags |= AFPVOL_OPEN;
1670 volume->v_cdb = NULL;
1672 if (volume->v_root_preexec) {
1673 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1674 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1681 set_uidgid ( volume );
1684 if (volume->v_preexec) {
1685 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1686 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1692 if ( stat( volume->v_path, &st ) < 0 ) {
1697 if ( chdir( volume->v_path ) < 0 ) {
1702 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1703 volume->v_name, namelen, &vol_mname);
1704 if ( !vol_mname || len <= 0) {
1709 if ( NULL == getcwd(path, MAXPATHLEN)) {
1710 /* shouldn't be fatal but it will fail later */
1711 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1716 if ((vol_uname = strrchr(path, '/')) == NULL)
1718 else if (*(vol_uname + 1) != '\0')
1721 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1723 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1729 dir->d_did = DIRDID_ROOT;
1730 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1731 volume->v_dir = volume->v_root = dir;
1733 curdir = volume->v_dir;
1734 if (volume->v_cnidscheme == NULL) {
1735 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1736 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1739 if (volume->v_dbpath)
1740 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1742 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1743 if (volume->v_cdb == NULL) {
1744 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1745 volume->v_path, volume->v_cnidscheme);
1752 if (!volume->v_volcodepage)
1753 volume->v_volcodepage = strdup("UTF8");
1755 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1756 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1761 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1762 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1765 if (!volume->v_maccodepage)
1766 volume->v_maccodepage = strdup(obj->options.maccodepage);
1768 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1769 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1774 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1775 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1780 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1781 if (ret == AFP_OK) {
1783 if (!(volume->v_flags & AFPVOL_RO)) {
1784 handle_special_folders( volume );
1785 savevoloptions( volume);
1789 * If you mount a volume twice, the second time the trash appears on
1790 * the desk-top. That's because the Mac remembers the DID for the
1791 * trash (even for volumes in different zones, on different servers).
1792 * Just so this works better, we prime the DID cache with the trash,
1793 * fixing the trash at DID 17.
1794 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1796 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1798 /* FIXME find db time stamp */
1799 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1800 LOG (log_error, logtype_afpd,
1801 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1809 cname( volume, volume->v_dir, &p );
1815 if (volume->v_dir) {
1816 dirfree( volume->v_dir );
1817 volume->v_dir = volume->v_root = NULL;
1820 volume->v_flags &= ~AFPVOL_OPEN;
1821 if (volume->v_cdb != NULL) {
1822 cnid_close(volume->v_cdb);
1823 volume->v_cdb = NULL;
1829 /* ------------------------- */
1830 static void closevol(struct vol *vol)
1835 dirfree( vol->v_root );
1837 if (vol->v_cdb != NULL) {
1838 cnid_close(vol->v_cdb);
1842 if (vol->v_postexec) {
1843 afprun(0, vol->v_postexec, NULL);
1845 if (vol->v_root_postexec) {
1846 afprun(1, vol->v_root_postexec, NULL);
1850 /* ------------------------- */
1851 void close_all_vol(void)
1855 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1856 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1857 ovol->v_flags &= ~AFPVOL_OPEN;
1863 /* ------------------------- */
1864 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1866 char *ibuf, *rbuf _U_;
1867 int ibuflen _U_, *rbuflen;
1869 struct vol *vol, *ovol;
1874 memcpy(&vid, ibuf, sizeof( vid ));
1875 if (NULL == ( vol = getvolbyvid( vid )) ) {
1876 return( AFPERR_PARAM );
1879 vol->v_flags &= ~AFPVOL_OPEN;
1880 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1881 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1885 if ( ovol != NULL ) {
1886 /* Even if chdir fails, we can't say afp_closevol fails. */
1887 if ( chdir( ovol->v_path ) == 0 ) {
1888 curdir = ovol->v_dir;
1893 if (vol->v_deleted) {
1894 showvol(vol->v_name);
1902 /* ------------------------- */
1903 struct vol *getvolbyvid(const u_int16_t vid )
1907 for ( vol = Volumes; vol; vol = vol->v_next ) {
1908 if ( vid == vol->v_vid ) {
1912 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1918 #endif /* FORCE_UIDGID */
1923 /* ------------------------ */
1924 static int ext_cmp_key(const void *key, const void *obj)
1926 const char *p = key;
1927 const struct extmap *em = obj;
1928 return strdiacasecmp(p, em->em_ext);
1930 struct extmap *getextmap(const char *path)
1935 if (NULL == ( p = strrchr( path, '.' )) ) {
1936 return( Defextmap );
1939 if (!*p || !Extmap_cnt) {
1940 return( Defextmap );
1942 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1946 return( Defextmap );
1950 /* ------------------------- */
1951 struct extmap *getdefextmap(void)
1953 return( Defextmap );
1956 /* --------------------------
1957 poll if a volume is changed by other processes.
1959 int pollvoltime(obj)
1966 if (!(afp_version > 21 && obj->options.server_notif))
1969 if ( gettimeofday( &tv, 0 ) < 0 )
1972 for ( vol = Volumes; vol; vol = vol->v_next ) {
1973 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1974 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1975 vol->v_mtime = st.st_mtime;
1976 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1985 /* ------------------------- */
1986 void setvoltime(obj, vol )
1992 /* just looking at vol->v_mtime is broken seriously since updates
1993 * from other users afpd processes never are seen.
1994 * This is not the most elegant solution (a shared memory between
1995 * the afpd processes would come closer)
1998 if ( gettimeofday( &tv, 0 ) < 0 ) {
1999 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2002 if( utime( vol->v_path, NULL ) < 0 ) {
2003 /* write of time failed ... probably a read only filesys,
2004 * where no other users can interfere, so there's no issue here
2008 /* a little granularity */
2009 if (vol->v_mtime < tv.tv_sec) {
2010 vol->v_mtime = tv.tv_sec;
2011 /* or finder doesn't update free space */
2012 if (afp_version > 21 && obj->options.server_notif) {
2013 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2018 /* ------------------------- */
2019 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2022 int ibuflen _U_, *rbuflen;
2025 u_int16_t vid, bitmap;
2028 memcpy(&vid, ibuf, sizeof( vid ));
2029 ibuf += sizeof( vid );
2030 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2031 bitmap = ntohs( bitmap );
2033 if (NULL == ( vol = getvolbyvid( vid )) ) {
2035 return( AFPERR_PARAM );
2038 return stat_vol(bitmap, vol, rbuf, rbuflen);
2041 /* ------------------------- */
2042 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2044 char *ibuf, *rbuf _U_;
2045 int ibuflen _U_, *rbuflen;
2049 u_int16_t vid, bitmap;
2055 memcpy(&vid, ibuf, sizeof( vid ));
2056 ibuf += sizeof( vid );
2057 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2058 bitmap = ntohs( bitmap );
2059 ibuf += sizeof(bitmap);
2061 if (( vol = getvolbyvid( vid )) == NULL ) {
2062 return( AFPERR_PARAM );
2065 if ((vol->v_flags & AFPVOL_RO))
2066 return AFPERR_VLOCK;
2068 /* we can only set the backup date. */
2069 if (bitmap != (1 << VOLPBIT_BDATE))
2070 return AFPERR_BITMAP;
2072 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2073 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2076 return AFPERR_VLOCK;
2078 return AFPERR_ACCESS;
2081 memcpy(&aint, ibuf, sizeof(aint));
2082 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2083 ad_flush(&ad, ADFLAGS_HF);
2084 ad_close(&ad, ADFLAGS_HF);
2088 /* ------------------------- */
2089 int wincheck(const struct vol *vol, const char *path)
2093 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2096 /* empty paths are not allowed */
2097 if ((len = strlen(path)) == 0)
2100 /* leading or trailing whitespaces are not allowed, carriage returns
2101 * and probably other whitespace is okay, tabs are not allowed
2103 if ((path[0] == ' ') || (path[len-1] == ' '))
2106 /* certain characters are not allowed */
2107 if (strpbrk(path, MSWINDOWS_BADCHARS))
2110 /* everything else is okay */
2116 * precreate a folder
2117 * this is only intended for folders in the volume root
2118 * It will *not* work if the folder name contains extended characters
2120 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2129 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2131 LOG(log_error, logtype_afpd,"malloc failed");
2135 q=strdup(folder->name);
2137 LOG(log_error, logtype_afpd,"malloc failed");
2141 strcpy(p, vol->v_path);
2146 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2148 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2154 if ( (ret = stat( p, &st )) < 0 ) {
2155 if (folder->precreate) {
2156 if (ad_mkdir(p, folder->mode)) {
2157 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2166 if ( !ret && folder->hide) {
2168 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2169 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2170 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2175 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2176 if (ad_getentryoff(&ad, ADEID_NAME)) {
2177 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2178 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2179 ad_getentrylen( &ad, ADEID_NAME ));
2183 ad_getattr(&ad, &attr);
2184 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2185 ad_setattr(&ad, attr);
2187 /* do the same with the finder info */
2188 if (ad_entry(&ad, ADEID_FINDERI)) {
2189 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2190 attr |= htons(FINDERINFO_INVISIBLE);
2191 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2194 ad_flush( &ad, ADFLAGS_HF );
2195 ad_close( &ad, ADFLAGS_HF );
2202 static void handle_special_folders (const struct vol * vol)
2204 const _special_folder *p = &special_folders[0];
2206 if ((vol->v_flags & AFPVOL_RO))
2209 for (; p->name != NULL; p++) {
2210 create_special_folder (vol, p);
2215 * Save the volume options to a file, used by
2217 * Writing the file everytime a volume is opened is
2218 * unnecessary, but it shouldn't hurt much.
2220 static int savevoloptions (const struct vol *vol)
2223 char item[MAXPATHLEN];
2227 const _vol_opt_name *op = &vol_opt_names[0];
2228 const _vol_opt_name *cf = &vol_opt_casefold[0];
2230 strlcpy (item, vol->v_path, sizeof(item));
2231 strlcat (item, "/.AppleDesktop/", sizeof(item));
2232 strlcat (item, VOLINFOFILE, sizeof(item));
2234 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2235 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2239 /* try to get a lock */
2241 lock.l_whence = SEEK_SET;
2243 lock.l_type = F_WRLCK;
2245 if (fcntl(fd, F_SETLK, &lock) < 0) {
2246 if (errno == EACCES || errno == EAGAIN) {
2247 /* ignore, other process already writing the file */
2250 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2255 /* write volume options */
2256 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2257 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2258 strlcat(buf, item, sizeof(buf));
2260 switch (vol->v_adouble) {
2262 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2265 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2267 case AD_VERSION2_OSX:
2268 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2272 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2273 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2274 strlcat(buf, "\n", sizeof(buf));
2276 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2277 strlcat(buf, Cnid_srv, sizeof(buf));
2278 strlcat(buf, "\n", sizeof(buf));
2280 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2281 strlcat(buf, item, sizeof(buf));
2283 strcpy(item, "CNID_DBPATH:");
2285 strlcat(item, vol->v_dbpath, sizeof(item));
2287 strlcat(item, vol->v_path, sizeof(item));
2288 strlcat(item, "\n", sizeof(item));
2289 strlcat(buf, item, sizeof(buf));
2292 strcpy(item, "VOLUME_OPTS:");
2293 for (;op->name; op++) {
2294 if ( (vol->v_flags & op->option) ) {
2295 strlcat(item, op->name, sizeof(item));
2296 strlcat(item, " ", sizeof(item));
2299 strlcat(item, "\n", sizeof(item));
2300 strlcat(buf, item, sizeof(buf));
2302 /* casefold flags */
2303 strcpy(item, "VOLCASEFOLD:");
2304 for (;cf->name; cf++) {
2305 if ( (vol->v_casefold & cf->option) ) {
2306 strlcat(item, cf->name, sizeof(item));
2307 strlcat(item, " ", sizeof(item));
2310 strlcat(item, "\n", sizeof(item));
2311 strlcat(buf, item, sizeof(buf));
2313 if (strlen(buf) >= sizeof(buf)-1)
2314 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2317 if (write( fd, buf, strlen(buf)) < 0) {
2318 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2321 ftruncate(fd, strlen(buf));
2324 lock.l_type = F_UNLCK;
2325 fcntl(fd, F_SETLK, &lock);