2 * $Id: volume.c,v 1.67 2006-09-19 23:00:50 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
26 #else /* STDC_HEADERS */
30 #endif /* HAVE_STRCHR */
31 char *strchr (), *strrchr ();
33 #define memcpy(d,s,n) bcopy ((s), (d), (n))
34 #define memmove(d,s,n) bcopy ((s), (d), (n))
35 #endif /* ! HAVE_MEMCPY */
36 #endif /* STDC_HEADERS */
37 #include <sys/param.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
41 #include <atalk/asp.h>
42 #include <atalk/dsi.h>
43 #include <atalk/adouble.h>
44 #include <atalk/afp.h>
45 #include <atalk/util.h>
46 #include <atalk/logger.h>
48 #include <atalk/cnid.h>
52 #include "directory.h"
58 extern int afprun(int root, char *cmd, int *outfd);
61 #define MIN(a, b) ((a) < (b) ? (a) : (b))
64 #ifndef NO_LARGE_VOL_SUPPORT
65 #if BYTE_ORDER == BIG_ENDIAN
68 #else /* BYTE_ORDER == BIG_ENDIAN */
69 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
70 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
71 #define ntoh64(x) (hton64(x))
72 #endif /* BYTE_ORDER == BIG_ENDIAN */
73 #endif /* ! NO_LARGE_VOL_SUPPORT */
75 static struct vol *Volumes = NULL;
76 static u_int16_t lastvid = 0;
77 static char *Trash = "\02\024Network Trash Folder";
79 static struct extmap *Extmap = NULL, *Defextmap = NULL;
80 static int Extmap_cnt;
81 static void free_extmap(void);
83 #define VOLOPT_ALLOW 0 /* user allow list */
84 #define VOLOPT_DENY 1 /* user deny list */
85 #define VOLOPT_RWLIST 2 /* user rw list */
86 #define VOLOPT_ROLIST 3 /* user ro list */
87 #define VOLOPT_PASSWORD 4 /* volume password */
88 #define VOLOPT_CASEFOLD 5 /* character case mangling */
89 #define VOLOPT_FLAGS 6 /* various flags */
90 #define VOLOPT_DBPATH 7 /* path to database */
91 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
92 m and u can be double-byte hex
97 !u -> make u illegal always
98 ~u -> make u illegal only as the first
99 part of a double-byte character.
101 #define VOLOPT_VETO 10 /* list of veto filespec */
102 #define VOLOPT_PREEXEC 11 /* preexec command */
103 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
105 #define VOLOPT_POSTEXEC 13 /* postexec command */
106 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
108 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
109 #define VOLOPT_MACCHARSET 16
110 #define VOLOPT_CNIDSCHEME 17
111 #define VOLOPT_ADOUBLE 18 /* adouble version */
116 #define VOLOPT_FORCEUID 19 /* force uid for username x */
117 #define VOLOPT_FORCEGID 20 /* force gid for group x */
118 #define VOLOPT_UMASK 21
119 #define VOLOPT_DFLTPERM 22
121 #define VOLOPT_UMASK 19
122 #define VOLOPT_DFLTPERM 20
123 #endif /* FORCE_UIDGID */
125 #define VOLOPT_MAX (VOLOPT_DFLTPERM +1)
127 #define VOLOPT_NUM (VOLOPT_MAX + 1)
130 #define VOLOPT_DEFAULT ":DEFAULT:"
131 #define VOLOPT_DEFAULT_LEN 9
137 typedef struct _special_folder {
144 static const _special_folder special_folders[] = {
145 {"Network Trash Folder", 1, 0777, 1},
146 {"Temporary Items", 1, 0777, 1},
147 {".AppleDesktop", 1, 0777, 0},
149 {"TheFindByContentFolder", 0, 0, 1},
150 {"TheVolumeSettingsFolder", 0, 0, 1},
154 typedef struct _volopt_name {
155 const u_int32_t option;
159 static const _vol_opt_name vol_opt_names[] = {
160 {AFPVOL_A2VOL, "PRODOS"}, /* prodos volume */
161 {AFPVOL_CRLF, "CRLF"}, /* cr/lf translation */
162 {AFPVOL_NOADOUBLE, "NOADOUBLE"}, /* don't create .AppleDouble by default */
163 {AFPVOL_RO, "READONLY"}, /* read-only volume */
164 {AFPVOL_MSWINDOWS, "MSWINDOWS"}, /* deal with ms-windows yuckiness. this is going away. */
165 {AFPVOL_NOHEX, "NOHEX"}, /* don't do :hex translation */
166 {AFPVOL_USEDOTS, "USEDOTS"}, /* use real dots */
167 {AFPVOL_LIMITSIZE, "LIMITSIZE"}, /* limit size for older macs */
168 {AFPVOL_MAPASCII, "MAPASCII"}, /* map the ascii range as well */
169 {AFPVOL_DROPBOX, "DROPBOX"}, /* dropkludge dropbox support */
170 {AFPVOL_NOFILEID, "NOFILEID"}, /* don't advertise createid resolveid and deleteid calls */
171 {AFPVOL_NOSTAT, "NOSTAT"}, /* advertise the volume even if we can't stat() it
172 * maybe because it will be mounted later in preexec */
173 {AFPVOL_UNIX_PRIV, "UNIXPRIV"}, /* support unix privileges */
174 {AFPVOL_NODEV, "NODEV"}, /* always use 0 for device number in cnid calls */
175 {AFPVOL_CASEINSEN, "CASEINSENSITIVE"}, /* volume is case insensitive */
176 {AFPVOL_EILSEQ, "ILLEGALSEQ"}, /* encode illegal sequence */
177 {AFPVOL_CACHE, "CACHEID"}, /* Use adouble v2 CNID caching, default don't use it */
181 static const _vol_opt_name vol_opt_casefold[] = {
182 {AFPVOL_MTOUUPPER, "MTOULOWER"},
183 {AFPVOL_MTOULOWER, "MTOULOWER"},
184 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
185 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
189 static void handle_special_folders (const struct vol *);
190 static int savevoloptions (const struct vol *);
191 static void deletevol(struct vol *vol);
193 static __inline__ void volfree(struct vol_option *options,
194 const struct vol_option *save)
199 for (i = 0; i < VOLOPT_MAX; i++) {
200 if (options[i].c_value && (options[i].c_value != save[i].c_value))
201 free(options[i].c_value);
204 for (i = 0; i < VOLOPT_MAX; i++) {
205 if (options[i].c_value)
206 free(options[i].c_value);
212 /* handle variable substitutions. here's what we understand:
213 * $b -> basename of path
214 * $c -> client ip/appletalk address
215 * $d -> volume pathname on server
216 * $f -> full name (whatever's in the gecos field)
219 * $i -> client ip/appletalk address without port
220 * $s -> server name (hostname if it doesn't exist)
221 * $u -> username (guest is usually nobody)
222 * $v -> volume name or basename if null
223 * $z -> zone (may not exist)
228 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
230 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
231 char *src, struct passwd *pwd, char *path, char *volname)
241 dest = calloc(destlen +1, 1);
247 strlcpy(dest, src, destlen +1);
248 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
251 /* first part of the path. just forward to the next variable. */
252 len = MIN((size_t)(p - src), destlen);
258 while (p && destlen > 0) {
259 /* now figure out what the variable is */
261 if (is_var(p, "$b")) {
263 if ((q = strrchr(path, '/')) == NULL)
265 else if (*(q + 1) != '\0')
268 } else if (is_var(p, "$c")) {
269 if (obj->proto == AFPPROTO_ASP) {
270 ASP asp = obj->handle;
272 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
273 asp->asp_sat.sat_addr.s_node);
277 } else if (obj->proto == AFPPROTO_DSI) {
278 DSI *dsi = obj->handle;
280 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
281 ntohs(dsi->client.sin_port));
285 } else if (is_var(p, "$d")) {
287 } else if (is_var(p, "$f")) {
288 if ((q = strchr(pwd->pw_gecos, ',')))
291 } else if (is_var(p, "$g")) {
292 struct group *grp = getgrgid(pwd->pw_gid);
295 } else if (is_var(p, "$h")) {
296 q = obj->options.hostname;
297 } else if (is_var(p, "$i")) {
298 if (obj->proto == AFPPROTO_ASP) {
299 ASP asp = obj->handle;
301 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
305 } else if (obj->proto == AFPPROTO_DSI) {
306 DSI *dsi = obj->handle;
308 q = inet_ntoa(dsi->client.sin_addr);
310 } else if (is_var(p, "$s")) {
313 else if (obj->options.server) {
314 q = obj->options.server;
316 q = obj->options.hostname;
317 } else if (is_var(p, "$u")) {
319 } else if (is_var(p, "$v")) {
324 if ((q = strrchr(path, '/')) == NULL)
326 else if (*(q + 1) != '\0')
329 } else if (is_var(p, "$z")) {
331 } else if (is_var(p, "$$")) {
336 /* copy the stuff over. if we don't understand something that we
337 * should, just skip it over. */
339 len = MIN(p == q ? 2 : strlen(q), destlen);
340 strncpy(dest, q, len);
345 /* stuff up to next $ */
347 p = strchr(src, '$');
348 len = p ? MIN((size_t)(p - src), destlen) : destlen;
350 strncpy(dest, src, len);
358 /* to make sure that val is valid, make sure to select an opt that
360 static int optionok(const char *buf, const char *opt, const char *val)
362 if (!strstr(buf,opt))
370 /* -------------------- */
371 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
373 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
374 free(options[opt].c_value);
375 options[opt].c_value = strdup(val + 1);
378 /* ------------------------------------------
379 handle all the options. tmp can't be NULL. */
380 static void volset(struct vol_option *options, struct vol_option *save,
381 char *volname, int vlen,
386 val = strchr(tmp, ':');
388 /* we'll assume it's a volume name. */
389 strncpy(volname, tmp, vlen);
394 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
396 if (optionok(tmp, "allow:", val)) {
397 setoption(options, save, VOLOPT_ALLOW, val);
399 } else if (optionok(tmp, "deny:", val)) {
400 setoption(options, save, VOLOPT_DENY, val);
402 } else if (optionok(tmp, "rwlist:", val)) {
403 setoption(options, save, VOLOPT_RWLIST, val);
405 } else if (optionok(tmp, "rolist:", val)) {
406 setoption(options, save, VOLOPT_ROLIST, val);
408 } else if (optionok(tmp, "codepage:", val)) {
409 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
410 /* Make sure we don't screw anything */
412 } else if (optionok(tmp, "volcharset:", val)) {
413 setoption(options, save, VOLOPT_ENCODING, val);
414 } else if (optionok(tmp, "maccharset:", val)) {
415 setoption(options, save, VOLOPT_MACCHARSET, val);
416 } else if (optionok(tmp, "veto:", val)) {
417 setoption(options, save, VOLOPT_VETO, val);
418 } else if (optionok(tmp, "cnidscheme:", val)) {
419 setoption(options, save, VOLOPT_CNIDSCHEME, val);
420 } else if (optionok(tmp, "casefold:", val)) {
421 if (strcasecmp(val + 1, "tolower") == 0)
422 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
423 else if (strcasecmp(val + 1, "toupper") == 0)
424 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
425 else if (strcasecmp(val + 1, "xlatelower") == 0)
426 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
427 else if (strcasecmp(val + 1, "xlateupper") == 0)
428 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
429 } else if (optionok(tmp, "adouble:", val)) {
430 if (strcasecmp(val + 1, "v1") == 0)
431 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
432 #if AD_VERSION == AD_VERSION2
433 else if (strcasecmp(val + 1, "v2") == 0)
434 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
435 else if (strcasecmp(val + 1, "osx") == 0)
436 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
437 else if (strcasecmp(val + 1, "ads") == 0)
438 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_ADS;
440 } else if (optionok(tmp, "options:", val)) {
443 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
447 if (strcasecmp(p, "prodos") == 0)
448 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
449 else if (strcasecmp(p, "mswindows") == 0) {
450 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
451 } else if (strcasecmp(p, "crlf") == 0)
452 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
453 else if (strcasecmp(p, "noadouble") == 0)
454 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
455 else if (strcasecmp(p, "ro") == 0)
456 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
457 else if (strcasecmp(p, "nohex") == 0)
458 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
459 else if (strcasecmp(p, "usedots") == 0)
460 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
461 else if (strcasecmp(p, "invisibledots") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
463 else if (strcasecmp(p, "limitsize") == 0)
464 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
465 /* support for either "dropbox" or "dropkludge" */
466 else if (strcasecmp(p, "dropbox") == 0)
467 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
468 else if (strcasecmp(p, "dropkludge") == 0)
469 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
470 else if (strcasecmp(p, "nofileid") == 0)
471 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
472 else if (strcasecmp(p, "nostat") == 0)
473 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
474 else if (strcasecmp(p, "preexec_close") == 0)
475 options[VOLOPT_PREEXEC].i_value = 1;
476 else if (strcasecmp(p, "root_preexec_close") == 0)
477 options[VOLOPT_ROOTPREEXEC].i_value = 1;
478 else if (strcasecmp(p, "upriv") == 0)
479 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
480 else if (strcasecmp(p, "nodev") == 0)
481 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
482 else if (strcasecmp(p, "caseinsensitive") == 0)
483 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
484 else if (strcasecmp(p, "illegalseq") == 0)
485 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
486 else if (strcasecmp(p, "cachecnid") == 0)
487 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
489 p = strtok(NULL, ",");
492 } else if (optionok(tmp, "dbpath:", val)) {
493 setoption(options, save, VOLOPT_DBPATH, val);
495 } else if (optionok(tmp, "umask:", val)) {
496 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
497 } else if (optionok(tmp, "perm:", val)) {
498 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
499 } else if (optionok(tmp, "mapchars:",val)) {
500 setoption(options, save, VOLOPT_MAPCHARS, val);
502 } else if (optionok(tmp, "password:", val)) {
503 setoption(options, save, VOLOPT_PASSWORD, val);
507 /* this code allows forced uid/gid per volume settings */
508 } else if (optionok(tmp, "forceuid:", val)) {
509 setoption(options, save, VOLOPT_FORCEUID, val);
510 } else if (optionok(tmp, "forcegid:", val)) {
511 setoption(options, save, VOLOPT_FORCEGID, val);
513 #endif /* FORCE_UIDGID */
514 } else if (optionok(tmp, "root_preexec:", val)) {
515 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
517 } else if (optionok(tmp, "preexec:", val)) {
518 setoption(options, save, VOLOPT_PREEXEC, val);
520 } else if (optionok(tmp, "root_postexec:", val)) {
521 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
523 } else if (optionok(tmp, "postexec:", val)) {
524 setoption(options, save, VOLOPT_POSTEXEC, val);
527 /* ignore unknown options */
528 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
533 /* ----------------- */
534 static void showvol(const ucs2_t *name)
537 for ( volume = Volumes; volume; volume = volume->v_next ) {
538 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
545 /* ------------------------------- */
546 static int creatvol(AFPObj *obj, struct passwd *pwd,
547 char *path, char *name,
548 struct vol_option *options,
549 const int user /* user defined volume */
557 if ( name == NULL || *name == '\0' ) {
558 if ((name = strrchr( path, '/' )) == NULL) {
559 return -1; /* Obviously not a fully qualified path */
562 /* if you wish to share /, you need to specify a name. */
567 vlen = strlen( name );
568 if ( vlen > AFPVOL_NAMELEN ) {
569 vlen = AFPVOL_NAMELEN;
570 name[AFPVOL_NAMELEN] = '\0';
573 /* convert name to UCS2 first */
574 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
577 for ( volume = Volumes; volume; volume = volume->v_next ) {
578 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
579 if (volume->v_deleted) {
580 volume->v_new = hide = 1;
583 return -1; /* Won't be able to access it, anyway... */
589 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
590 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
593 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
594 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
598 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
599 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
600 free(volume->v_name);
604 volume->v_hide = hide;
605 strcpy( volume->v_path, path );
609 #endif /* __svr4__ */
610 /* os X start at 1 and use network order ie. 1 2 3 */
611 volume->v_vid = ++lastvid;
612 volume->v_vid = htons(volume->v_vid);
616 /* should we casefold? */
617 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
619 /* shift in some flags */
620 volume->v_flags = options[VOLOPT_FLAGS].i_value;
622 volume->v_ad_options = 0;
623 if ((volume->v_flags & AFPVOL_NODEV))
624 volume->v_ad_options |= ADVOL_NODEV;
625 if ((volume->v_flags & AFPVOL_CACHE))
626 volume->v_ad_options |= ADVOL_CACHE;
627 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
628 volume->v_ad_options |= ADVOL_UNIXPRIV;
629 if ((volume->v_flags & AFPVOL_INV_DOTS))
630 volume->v_ad_options |= ADVOL_INVDOTS;
632 if (options[VOLOPT_PASSWORD].c_value)
633 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
635 if (options[VOLOPT_VETO].c_value)
636 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
638 if (options[VOLOPT_ENCODING].c_value)
639 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
641 if (options[VOLOPT_MACCHARSET].c_value)
642 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
644 if (options[VOLOPT_DBPATH].c_value)
645 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
647 if (options[VOLOPT_CNIDSCHEME].c_value)
648 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
650 if (options[VOLOPT_UMASK].i_value)
651 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
653 if (options[VOLOPT_DFLTPERM].i_value)
654 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
656 if (options[VOLOPT_ADOUBLE].i_value)
657 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
659 volume->v_adouble = AD_VERSION;
663 if (options[VOLOPT_FORCEUID].c_value) {
664 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
666 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
669 if (options[VOLOPT_FORCEGID].c_value) {
670 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
672 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
676 if (options[VOLOPT_PREEXEC].c_value)
677 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
678 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
680 if (options[VOLOPT_POSTEXEC].c_value)
681 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
683 if (options[VOLOPT_ROOTPREEXEC].c_value)
684 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
685 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
687 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
688 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
692 volume->v_next = Volumes;
697 /* ---------------- */
698 static char *myfgets( buf, size, fp )
707 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
708 if ( c == '\n' || c == '\r' ) {
726 /* check access list. this function wants something of the following
728 * @group,name,name2,@group2,name3
730 * a NULL argument allows everybody to have access.
731 * we return three things:
733 * 0: list exists, but name isn't in it
737 #ifndef NO_REAL_USER_NAME
738 /* authentication is case insensitive
739 * FIXME should we do the same with group name?
741 #define access_strcmp strcasecmp
744 #define access_strcmp strcmp
748 static int accessvol(args, name)
752 char buf[MAXPATHLEN + 1], *p;
758 strlcpy(buf, args, sizeof(buf));
759 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
763 if (*p == '@') { /* it's a group */
764 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
766 } else if (access_strcmp(p, name) == 0) /* it's a user name */
768 p = strtok(NULL, ",");
774 static void setextmap( ext, type, creator, user)
775 char *ext, *type, *creator;
781 if (Extmap == NULL) {
782 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
783 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
788 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
789 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
794 if ( em->em_ext == NULL ) {
795 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
796 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
799 (Extmap +cnt +1)->em_ext = NULL;
801 } else if ( !user ) {
807 if (!(em->em_ext = strdup( ext))) {
808 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
812 if ( *type == '\0' ) {
813 memcpy(em->em_type, "????", sizeof( em->em_type ));
815 memcpy(em->em_type, type, sizeof( em->em_type ));
817 if ( *creator == '\0' ) {
818 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
820 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
824 /* -------------------------- */
825 static int extmap_cmp(const void *map1, const void *map2)
827 const struct extmap *em1 = map1;
828 const struct extmap *em2 = map2;
829 return strdiacasecmp(em1->em_ext, em2->em_ext);
832 static void sortextmap( void)
837 if ((em = Extmap) == NULL) {
845 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
846 if (*Extmap->em_ext == 0) {
847 /* the first line is really "." the default entry,
848 * we remove the leading '.' in setextmap
855 /* ----------------------
857 static void free_extmap( void)
862 for ( em = Extmap; em->em_ext; em++) {
872 /* ----------------------
874 static int volfile_changed(struct afp_volume_name *p)
884 if (!stat( name, &st) && st.st_mtime > p->mtime) {
885 p->mtime = st.st_mtime;
891 /* ----------------------
892 * Read a volume configuration file and add the volumes contained within to
893 * the global volume list. If p2 is non-NULL, the file that is opened is
896 * Lines that begin with # and blank lines are ignored.
897 * Volume lines are of the form:
898 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
899 * [codepage:<file>] [casefold:<num>]
900 * <extension> TYPE [CREATOR]
902 static int readvolfile(obj, p1, p2, user, pwent)
904 struct afp_volume_name *p1;
907 struct passwd *pwent;
910 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
911 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
912 type[ 5 ], creator[ 5 ];
915 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
923 strcpy( path, p1->name );
930 p1->full_name = strdup(path);
933 if (NULL == ( fp = fopen( path, "r" )) ) {
937 if (fd != -1 && !fstat( fd, &st) ) {
938 p1->mtime = st.st_mtime;
941 memset(save_options, 0, sizeof(save_options));
942 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
943 initline( strlen( buf ), buf );
944 parseline( sizeof( path ) - 1, path );
951 /* change the default options for this file */
952 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
954 for (i = 0; i < VOLOPT_NUM; i++) {
955 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
956 path + VOLOPT_DEFAULT_LEN) < 0)
958 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
959 path + VOLOPT_DEFAULT_LEN);
965 if (( p = strchr( path, '/' )) != NULL ) {
973 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
976 strcpy( tmp, pw->pw_dir );
977 if ( p != NULL && *p != '\0' ) {
981 /* Tag a user's home directory with their umask. Note, this will
982 * be overwritten if the user actually specifies a umask: option
983 * for a '~' volume. */
984 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
988 /* send path through variable substitution */
989 if (*path != '~') /* need to copy path to tmp */
992 pwent = getpwnam(obj->username);
993 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
995 /* this is sort of braindead. basically, i want to be
996 * able to specify things in any order, but i don't want to
997 * re-write everything.
999 * currently we have options:
1007 * options:prodos,crlf,noadouble,ro...
1012 * namemask:x,y,!z (not implemented yet)
1014 memcpy(options, save_options, sizeof(options));
1017 /* read in up to VOLOP_NUM possible options */
1018 for (i = 0; i < VOLOPT_NUM; i++) {
1019 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1022 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1025 /* check allow/deny lists:
1026 allow -> either no list (-1), or in list (1)
1027 deny -> either no list (-1), or not in list (0) */
1028 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1029 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1031 /* handle read-only behaviour. semantics:
1032 * 1) neither the rolist nor the rwlist exist -> rw
1033 * 2) rolist exists -> ro if user is in it.
1034 * 3) rwlist exists -> ro unless user is in it. */
1035 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1036 ((accessvol(options[VOLOPT_ROLIST].c_value,
1037 obj->username) == 1) ||
1038 !accessvol(options[VOLOPT_RWLIST].c_value,
1040 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1042 /* do variable substitution for volname */
1043 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1044 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1046 volfree(options, save_options);
1050 parseline( sizeof( type ) - 1, type );
1051 parseline( sizeof( creator ) - 1, creator );
1052 setextmap( path, type, creator, user);
1059 volfree(save_options, NULL);
1061 if ( fclose( fp ) != 0 ) {
1062 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1068 /* ------------------------------- */
1069 static void volume_free(struct vol *vol)
1074 free(vol->v_password);
1076 free(vol->v_volcodepage);
1077 free(vol->v_maccodepage);
1078 free(vol->v_cnidscheme);
1079 free(vol->v_dbpath);
1082 free(vol->v_forceuid);
1083 free(vol->v_forcegid);
1084 #endif /* FORCE_UIDGID */
1087 /* ------------------------------- */
1088 static void free_volumes(void )
1091 struct vol *nvol, *ovol;
1093 for ( vol = Volumes; vol; vol = vol->v_next ) {
1094 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1101 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1104 if (vol->v_name == NULL) {
1105 if (Volumes == vol) {
1110 ovol->v_next = nvol;
1120 /* ------------------------------- */
1121 static void volume_unlink(struct vol *volume)
1123 struct vol *vol, *ovol, *nvol;
1125 if (volume == Volumes) {
1126 Volumes = Volumes->v_next;
1129 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1132 if (vol == volume) {
1133 ovol->v_next = nvol;
1142 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1144 u_int32_t *bfree, *btotal, *bsize;
1145 VolSpace *xbfree, *xbtotal;
1149 #ifndef NO_QUOTA_SUPPORT
1150 VolSpace qfree, qtotal;
1153 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1154 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1155 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1156 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1157 ? 0x7fffffffL : 0xffffffffL);
1160 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1161 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1162 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1163 goto getvolspace_done;
1168 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1169 bsize)) != AFP_OK ) {
1173 #define min(a,b) ((a)<(b)?(a):(b))
1174 #ifndef NO_QUOTA_SUPPORT
1175 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1176 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1177 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1178 *xbfree = min(*xbfree, qfree);
1179 *xbtotal = min( *xbtotal, qtotal);
1180 goto getvolspace_done;
1184 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1187 *bfree = min( *xbfree, maxsize);
1188 *btotal = min( *xbtotal, maxsize);
1192 /* -----------------------
1193 * set volume creation date
1194 * avoid duplicate, well at least it tries
1196 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1199 struct vol *vol = Volumes;
1201 for ( volume = Volumes; volume; volume = volume->v_next ) {
1202 if (volume->v_vid == id) {
1205 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1207 volume = Volumes; /* restart */
1210 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1211 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1214 /* ----------------------- */
1215 static int getvolparams( bitmap, vol, st, buf, buflen )
1223 int bit = 0, isad = 1;
1226 u_int32_t bfree, btotal, bsize;
1227 VolSpace xbfree, xbtotal; /* extended bytes */
1228 char *data, *nameoff = NULL;
1231 /* courtesy of jallison@whistle.com:
1232 * For MacOS8.x support we need to create the
1233 * .Parent file here if it doesn't exist. */
1235 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1236 if ( ad_open_metadata( vol->v_path, vol_noadouble(vol) | ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1238 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1240 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1241 slash = strrchr( vol->v_path, '/' );
1245 slash = vol->v_path;
1246 if (ad_getentryoff(&ad, ADEID_NAME)) {
1247 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1248 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1249 ad_getentrylen( &ad, ADEID_NAME ));
1251 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1252 ad_flush_metadata(&ad);
1255 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1256 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1258 vol->v_ctime = aint;
1261 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1262 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1263 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1264 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1267 ad_close( &ad, ADFLAGS_HF );
1269 return( AFPERR_PARAM );
1274 while ( bitmap != 0 ) {
1275 while (( bitmap & 1 ) == 0 ) {
1283 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1284 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1285 ashort = VOLPBIT_ATTR_FILEID;
1287 /* check for read-only.
1288 * NOTE: we don't actually set the read-only flag unless
1289 * it's passed in that way as it's possible to mount
1290 * a read-write filesystem under a read-only one. */
1291 if ((vol->v_flags & AFPVOL_RO) ||
1292 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1293 ashort |= VOLPBIT_ATTR_RO;
1295 ashort |= VOLPBIT_ATTR_CATSEARCH;
1296 if (afp_version >= 30) {
1297 ashort |= VOLPBIT_ATTR_UTF8;
1298 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1299 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1301 ashort = htons(ashort);
1302 memcpy(data, &ashort, sizeof( ashort ));
1303 data += sizeof( ashort );
1307 ashort = htons( AFPVOLSIG_DEFAULT );
1308 memcpy(data, &ashort, sizeof( ashort ));
1309 data += sizeof( ashort );
1312 case VOLPBIT_CDATE :
1313 aint = vol->v_ctime;
1314 memcpy(data, &aint, sizeof( aint ));
1315 data += sizeof( aint );
1318 case VOLPBIT_MDATE :
1319 if ( st->st_mtime > vol->v_mtime ) {
1320 vol->v_mtime = st->st_mtime;
1322 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1323 memcpy(data, &aint, sizeof( aint ));
1324 data += sizeof( aint );
1327 case VOLPBIT_BDATE :
1328 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1329 aint = AD_DATE_START;
1330 memcpy(data, &aint, sizeof( aint ));
1331 data += sizeof( aint );
1335 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1336 data += sizeof( vol->v_vid );
1339 case VOLPBIT_BFREE :
1340 bfree = htonl( bfree );
1341 memcpy(data, &bfree, sizeof( bfree ));
1342 data += sizeof( bfree );
1345 case VOLPBIT_BTOTAL :
1346 btotal = htonl( btotal );
1347 memcpy(data, &btotal, sizeof( btotal ));
1348 data += sizeof( btotal );
1351 #ifndef NO_LARGE_VOL_SUPPORT
1352 case VOLPBIT_XBFREE :
1353 xbfree = hton64( xbfree );
1354 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1355 bcopy(&xbfree, data, sizeof(xbfree));
1356 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1357 memcpy(data, &xbfree, sizeof( xbfree ));
1358 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1359 data += sizeof( xbfree );
1362 case VOLPBIT_XBTOTAL :
1363 xbtotal = hton64( xbtotal );
1364 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1365 bcopy(&xbtotal, data, sizeof(xbtotal));
1366 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1367 memcpy(data, &xbtotal, sizeof( xbtotal ));
1368 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1369 data += sizeof( xbfree );
1371 #endif /* ! NO_LARGE_VOL_SUPPORT */
1375 data += sizeof( u_int16_t );
1378 case VOLPBIT_BSIZE: /* block size */
1379 bsize = htonl(bsize);
1380 memcpy(data, &bsize, sizeof(bsize));
1381 data += sizeof(bsize);
1386 ad_close( &ad, ADFLAGS_HF );
1388 return( AFPERR_BITMAP );
1394 ashort = htons( data - buf );
1395 memcpy(nameoff, &ashort, sizeof( ashort ));
1396 /* name is always in mac charset, FIXME mangle if length > 27 char */
1397 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1407 ad_close_metadata( &ad);
1409 *buflen = data - buf;
1413 /* ------------------------- */
1414 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1419 if ( stat( vol->v_path, &st ) < 0 ) {
1421 return( AFPERR_PARAM );
1423 /* save the volume device number */
1424 vol->v_dev = st.st_dev;
1426 buflen = *rbuflen - sizeof( bitmap );
1427 if (( ret = getvolparams( bitmap, vol, &st,
1428 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1432 *rbuflen = buflen + sizeof( bitmap );
1433 bitmap = htons( bitmap );
1434 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1439 /* ------------------------------- */
1440 void load_volumes(AFPObj *obj)
1442 struct passwd *pwent;
1447 /* check files date */
1448 if (obj->options.defaultvol.loaded) {
1449 changed = volfile_changed(&obj->options.defaultvol);
1451 if (obj->options.systemvol.loaded) {
1452 changed |= volfile_changed(&obj->options.systemvol);
1454 if (obj->options.uservol.loaded) {
1455 changed |= volfile_changed(&obj->options.uservol);
1464 pwent = getpwnam(obj->username);
1465 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1466 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1469 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1470 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1473 * Read user's AppleVolumes or .AppleVolumes file
1474 * If neither are readable, read the default volumes file. if
1475 * that doesn't work, create a user share.
1477 if (obj->options.uservol.name) {
1478 free(obj->options.uservol.name);
1480 obj->options.uservol.name = strdup(pwent->pw_dir);
1481 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1482 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1483 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1484 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1485 obj->options.defaultvol.name != NULL ) {
1486 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1487 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1490 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1491 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1494 if ( obj->options.closevol ) {
1497 for ( vol = Volumes; vol; vol = vol->v_next ) {
1498 if (vol->v_deleted && !vol->v_new ) {
1507 /* ------------------------------- */
1508 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1510 char *ibuf _U_, *rbuf;
1511 int ibuflen _U_, *rbuflen;
1524 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1525 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1528 if ( stat( volume->v_path, &st ) < 0 ) {
1529 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1530 volume->v_path, strerror(errno) );
1531 continue; /* can't access directory */
1533 if (!S_ISDIR(st.st_mode)) {
1534 continue; /* not a dir */
1536 accessmode(volume->v_path, &ma, NULL, &st);
1537 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1538 continue; /* no r-x access */
1541 if (volume->v_hide) {
1542 continue; /* config file changed but the volume was mounted */
1544 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1545 &namebuf, volume->v_name);
1546 if (len == (size_t)-1)
1549 /* set password bit if there's a volume password */
1550 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1552 /* Apple 2 clients running ProDOS-8 expect one volume to have
1553 bit 0 of this byte set. They will not recognize anything
1554 on the server unless this is the case. I have not
1555 completely worked this out, but it's related to booting
1556 from the server. Support for that function is a ways
1557 off.. <shirsch@ibm.net> */
1558 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1559 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1561 memcpy(data, namebuf, len );
1567 *rbuflen = data - rbuf;
1569 if ( gettimeofday( &tv, 0 ) < 0 ) {
1570 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1572 return AFPERR_PARAM;
1574 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1575 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1576 data += sizeof( u_int32_t);
1581 /* -------------------------
1582 * we are the user here
1584 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1587 int ibuflen _U_, *rbuflen;
1597 char path[ MAXPATHLEN + 1];
1602 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1603 bitmap = ntohs( bitmap );
1604 ibuf += sizeof( bitmap );
1605 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1607 return AFPERR_BITMAP;
1610 len = (unsigned char)*ibuf++;
1611 volname = obj->oldtmp;
1612 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1613 ibuf, len, volname, sizeof(obj->oldtmp));
1616 return AFPERR_PARAM;
1620 if ((len + 1) & 1) /* pad to an even boundary */
1625 for ( volume = Volumes; volume; volume = volume->v_next ) {
1626 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1631 if ( volume == NULL ) {
1633 return AFPERR_PARAM;
1636 /* check for a volume password */
1637 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1639 return AFPERR_ACCESS;
1642 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1643 /* the volume is already open */
1645 set_uidgid ( volume );
1647 return stat_vol(bitmap, volume, rbuf, rbuflen);
1650 /* initialize volume variables
1653 if (afp_version >= 30) {
1654 volume->max_filename = 255;
1657 volume->max_filename = MACFILELEN;
1660 volume->v_dir = volume->v_root = NULL;
1661 volume->v_hash = NULL;
1663 volume->v_flags |= AFPVOL_OPEN;
1664 volume->v_cdb = NULL;
1666 if (volume->v_root_preexec) {
1667 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1668 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1675 set_uidgid ( volume );
1678 if (volume->v_preexec) {
1679 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1680 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1686 if ( stat( volume->v_path, &st ) < 0 ) {
1691 if ( chdir( volume->v_path ) < 0 ) {
1696 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1697 volume->v_name, namelen, &vol_mname);
1698 if ( !vol_mname || len <= 0) {
1703 if ( NULL == getcwd(path, MAXPATHLEN)) {
1704 /* shouldn't be fatal but it will fail later */
1705 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1710 if ((vol_uname = strrchr(path, '/')) == NULL)
1712 else if (*(vol_uname + 1) != '\0')
1715 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1717 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1723 dir->d_did = DIRDID_ROOT;
1724 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1725 dir->d_m_name_ucs2 = strdup_w(volume->v_name);
1726 volume->v_dir = volume->v_root = dir;
1727 volume->v_hash = dirhash();
1729 curdir = volume->v_dir;
1730 if (volume->v_cnidscheme == NULL) {
1731 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1732 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1735 if (volume->v_dbpath)
1736 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1738 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1739 if (volume->v_cdb == NULL) {
1740 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1741 volume->v_path, volume->v_cnidscheme);
1748 if (!volume->v_volcodepage)
1749 volume->v_volcodepage = strdup("UTF8");
1751 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1752 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1757 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1758 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1761 if (!volume->v_maccodepage)
1762 volume->v_maccodepage = strdup(obj->options.maccodepage);
1764 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1765 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1770 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1771 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1776 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1777 if (ret == AFP_OK) {
1779 if (!(volume->v_flags & AFPVOL_RO)) {
1780 handle_special_folders( volume );
1781 savevoloptions( volume);
1785 * If you mount a volume twice, the second time the trash appears on
1786 * the desk-top. That's because the Mac remembers the DID for the
1787 * trash (even for volumes in different zones, on different servers).
1788 * Just so this works better, we prime the DID cache with the trash,
1789 * fixing the trash at DID 17.
1790 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1792 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1794 /* FIXME find db time stamp */
1795 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1796 LOG (log_error, logtype_afpd,
1797 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1805 cname( volume, volume->v_dir, &p );
1811 if (volume->v_dir) {
1812 hash_free( volume->v_hash);
1813 dirfree( volume->v_dir );
1814 volume->v_dir = volume->v_root = NULL;
1817 volume->v_flags &= ~AFPVOL_OPEN;
1818 if (volume->v_cdb != NULL) {
1819 cnid_close(volume->v_cdb);
1820 volume->v_cdb = NULL;
1826 /* ------------------------- */
1827 static void closevol(struct vol *vol)
1832 hash_free( vol->v_hash);
1833 dirfree( vol->v_root );
1835 if (vol->v_cdb != NULL) {
1836 cnid_close(vol->v_cdb);
1840 if (vol->v_postexec) {
1841 afprun(0, vol->v_postexec, NULL);
1843 if (vol->v_root_postexec) {
1844 afprun(1, vol->v_root_postexec, NULL);
1848 /* ------------------------- */
1849 void close_all_vol(void)
1853 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1854 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1855 ovol->v_flags &= ~AFPVOL_OPEN;
1861 /* ------------------------- */
1862 static void deletevol(struct vol *vol)
1866 vol->v_flags &= ~AFPVOL_OPEN;
1867 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1868 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1872 if ( ovol != NULL ) {
1873 /* Even if chdir fails, we can't say afp_closevol fails. */
1874 if ( chdir( ovol->v_path ) == 0 ) {
1875 curdir = ovol->v_dir;
1880 if (vol->v_deleted) {
1881 showvol(vol->v_name);
1888 /* ------------------------- */
1889 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1891 char *ibuf, *rbuf _U_;
1892 int ibuflen _U_, *rbuflen;
1899 memcpy(&vid, ibuf, sizeof( vid ));
1900 if (NULL == ( vol = getvolbyvid( vid )) ) {
1901 return( AFPERR_PARAM );
1909 /* ------------------------- */
1910 struct vol *getvolbyvid(const u_int16_t vid )
1914 for ( vol = Volumes; vol; vol = vol->v_next ) {
1915 if ( vid == vol->v_vid ) {
1919 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1925 #endif /* FORCE_UIDGID */
1930 /* ------------------------ */
1931 static int ext_cmp_key(const void *key, const void *obj)
1933 const char *p = key;
1934 const struct extmap *em = obj;
1935 return strdiacasecmp(p, em->em_ext);
1937 struct extmap *getextmap(const char *path)
1942 if (NULL == ( p = strrchr( path, '.' )) ) {
1943 return( Defextmap );
1946 if (!*p || !Extmap_cnt) {
1947 return( Defextmap );
1949 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1953 return( Defextmap );
1957 /* ------------------------- */
1958 struct extmap *getdefextmap(void)
1960 return( Defextmap );
1963 /* --------------------------
1964 poll if a volume is changed by other processes.
1966 int pollvoltime(obj)
1973 if (!(afp_version > 21 && obj->options.server_notif))
1976 if ( gettimeofday( &tv, 0 ) < 0 )
1979 for ( vol = Volumes; vol; vol = vol->v_next ) {
1980 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1981 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1982 vol->v_mtime = st.st_mtime;
1983 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1992 /* ------------------------- */
1993 void setvoltime(obj, vol )
1999 /* just looking at vol->v_mtime is broken seriously since updates
2000 * from other users afpd processes never are seen.
2001 * This is not the most elegant solution (a shared memory between
2002 * the afpd processes would come closer)
2005 if ( gettimeofday( &tv, 0 ) < 0 ) {
2006 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2009 if( utime( vol->v_path, NULL ) < 0 ) {
2010 /* write of time failed ... probably a read only filesys,
2011 * where no other users can interfere, so there's no issue here
2015 /* a little granularity */
2016 if (vol->v_mtime < tv.tv_sec) {
2017 vol->v_mtime = tv.tv_sec;
2018 /* or finder doesn't update free space */
2019 if (afp_version > 21 && obj->options.server_notif) {
2020 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2025 /* ------------------------- */
2026 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2029 int ibuflen _U_, *rbuflen;
2032 u_int16_t vid, bitmap;
2035 memcpy(&vid, ibuf, sizeof( vid ));
2036 ibuf += sizeof( vid );
2037 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2038 bitmap = ntohs( bitmap );
2040 if (NULL == ( vol = getvolbyvid( vid )) ) {
2042 return( AFPERR_PARAM );
2045 return stat_vol(bitmap, vol, rbuf, rbuflen);
2048 /* ------------------------- */
2049 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2051 char *ibuf, *rbuf _U_;
2052 int ibuflen _U_, *rbuflen;
2056 u_int16_t vid, bitmap;
2062 memcpy(&vid, ibuf, sizeof( vid ));
2063 ibuf += sizeof( vid );
2064 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2065 bitmap = ntohs( bitmap );
2066 ibuf += sizeof(bitmap);
2068 if (( vol = getvolbyvid( vid )) == NULL ) {
2069 return( AFPERR_PARAM );
2072 if ((vol->v_flags & AFPVOL_RO))
2073 return AFPERR_VLOCK;
2075 /* we can only set the backup date. */
2076 if (bitmap != (1 << VOLPBIT_BDATE))
2077 return AFPERR_BITMAP;
2079 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2080 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2083 return AFPERR_VLOCK;
2085 return AFPERR_ACCESS;
2088 memcpy(&aint, ibuf, sizeof(aint));
2089 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2090 ad_flush(&ad, ADFLAGS_HF);
2091 ad_close(&ad, ADFLAGS_HF);
2095 /* ------------------------- */
2096 int wincheck(const struct vol *vol, const char *path)
2100 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2103 /* empty paths are not allowed */
2104 if ((len = strlen(path)) == 0)
2107 /* leading or trailing whitespaces are not allowed, carriage returns
2108 * and probably other whitespace is okay, tabs are not allowed
2110 if ((path[0] == ' ') || (path[len-1] == ' '))
2113 /* certain characters are not allowed */
2114 if (strpbrk(path, MSWINDOWS_BADCHARS))
2117 /* everything else is okay */
2123 * precreate a folder
2124 * this is only intended for folders in the volume root
2125 * It will *not* work if the folder name contains extended characters
2127 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2136 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2138 LOG(log_error, logtype_afpd,"malloc failed");
2142 q=strdup(folder->name);
2144 LOG(log_error, logtype_afpd,"malloc failed");
2148 strcpy(p, vol->v_path);
2153 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2155 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2161 if ( (ret = stat( p, &st )) < 0 ) {
2162 if (folder->precreate) {
2163 if (ad_mkdir(p, folder->mode)) {
2164 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2173 if ( !ret && folder->hide) {
2175 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2176 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2177 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2182 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2183 if (ad_getentryoff(&ad, ADEID_NAME)) {
2184 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2185 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2186 ad_getentrylen( &ad, ADEID_NAME ));
2190 ad_getattr(&ad, &attr);
2191 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2192 ad_setattr(&ad, attr);
2194 /* do the same with the finder info */
2195 if (ad_entry(&ad, ADEID_FINDERI)) {
2196 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2197 attr |= htons(FINDERINFO_INVISIBLE);
2198 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2201 ad_flush( &ad, ADFLAGS_HF );
2202 ad_close( &ad, ADFLAGS_HF );
2209 static void handle_special_folders (const struct vol * vol)
2211 const _special_folder *p = &special_folders[0];
2213 if ((vol->v_flags & AFPVOL_RO))
2216 for (; p->name != NULL; p++) {
2217 create_special_folder (vol, p);
2222 * Save the volume options to a file, used by
2224 * Writing the file everytime a volume is opened is
2225 * unnecessary, but it shouldn't hurt much.
2227 static int savevoloptions (const struct vol *vol)
2230 char item[MAXPATHLEN];
2234 const _vol_opt_name *op = &vol_opt_names[0];
2235 const _vol_opt_name *cf = &vol_opt_casefold[0];
2237 strlcpy (item, vol->v_path, sizeof(item));
2238 strlcat (item, "/.AppleDesktop/", sizeof(item));
2239 strlcat (item, VOLINFOFILE, sizeof(item));
2241 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2242 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2246 /* try to get a lock */
2248 lock.l_whence = SEEK_SET;
2250 lock.l_type = F_WRLCK;
2252 if (fcntl(fd, F_SETLK, &lock) < 0) {
2253 if (errno == EACCES || errno == EAGAIN) {
2254 /* ignore, other process already writing the file */
2257 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2262 /* write volume options */
2263 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2264 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2265 strlcat(buf, item, sizeof(buf));
2267 switch (vol->v_adouble) {
2269 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2272 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2274 case AD_VERSION2_OSX:
2275 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2277 case AD_VERSION1_ADS:
2278 strlcat(buf, "ADOUBLE_VER:ads\n", sizeof(buf));
2282 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2283 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2284 strlcat(buf, "\n", sizeof(buf));
2286 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2287 strlcat(buf, Cnid_srv, sizeof(buf));
2288 strlcat(buf, "\n", sizeof(buf));
2290 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2291 strlcat(buf, item, sizeof(buf));
2293 strcpy(item, "CNID_DBPATH:");
2295 strlcat(item, vol->v_dbpath, sizeof(item));
2297 strlcat(item, vol->v_path, sizeof(item));
2298 strlcat(item, "\n", sizeof(item));
2299 strlcat(buf, item, sizeof(buf));
2302 strcpy(item, "VOLUME_OPTS:");
2303 for (;op->name; op++) {
2304 if ( (vol->v_flags & op->option) ) {
2305 strlcat(item, op->name, sizeof(item));
2306 strlcat(item, " ", sizeof(item));
2309 strlcat(item, "\n", sizeof(item));
2310 strlcat(buf, item, sizeof(buf));
2312 /* casefold flags */
2313 strcpy(item, "VOLCASEFOLD:");
2314 for (;cf->name; cf++) {
2315 if ( (vol->v_casefold & cf->option) ) {
2316 strlcat(item, cf->name, sizeof(item));
2317 strlcat(item, " ", sizeof(item));
2320 strlcat(item, "\n", sizeof(item));
2321 strlcat(buf, item, sizeof(buf));
2323 if (strlen(buf) >= sizeof(buf)-1)
2324 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2327 if (write( fd, buf, strlen(buf)) < 0) {
2328 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2331 ftruncate(fd, strlen(buf));
2334 lock.l_type = F_UNLCK;
2335 fcntl(fd, F_SETLK, &lock);