2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
23 #else /* STDC_HEADERS */
27 #endif /* HAVE_STRCHR */
28 char *strchr (), *strrchr ();
30 #define memcpy(d,s,n) bcopy ((s), (d), (n))
31 #define memmove(d,s,n) bcopy ((s), (d), (n))
32 #endif /* ! HAVE_MEMCPY */
33 #endif /* STDC_HEADERS */
34 #include <sys/param.h>
35 #include <sys/socket.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
38 #include <atalk/asp.h>
39 #include <atalk/dsi.h>
40 #include <atalk/adouble.h>
41 #include <atalk/afp.h>
42 #include <atalk/util.h>
43 #include <atalk/volinfo.h>
44 #include <atalk/logger.h>
45 #include <atalk/vfs.h>
48 #include <atalk/cnid.h>
52 #include "directory.h"
60 extern int afprun(int root, char *cmd, int *outfd);
63 #define MIN(a, b) ((a) < (b) ? (a) : (b))
66 #ifndef NO_LARGE_VOL_SUPPORT
67 #if BYTE_ORDER == BIG_ENDIAN
70 #else /* BYTE_ORDER == BIG_ENDIAN */
71 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
72 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
73 #define ntoh64(x) (hton64(x))
74 #endif /* BYTE_ORDER == BIG_ENDIAN */
75 #endif /* ! NO_LARGE_VOL_SUPPORT */
77 static struct vol *Volumes = NULL;
78 static u_int16_t lastvid = 0;
79 static char *Trash = "\02\024Network Trash Folder";
81 static struct extmap *Extmap = NULL, *Defextmap = NULL;
82 static int Extmap_cnt;
83 static void free_extmap(void);
85 #define VOLOPT_ALLOW 0 /* user allow list */
86 #define VOLOPT_DENY 1 /* user deny list */
87 #define VOLOPT_RWLIST 2 /* user rw list */
88 #define VOLOPT_ROLIST 3 /* user ro list */
89 #define VOLOPT_PASSWORD 4 /* volume password */
90 #define VOLOPT_CASEFOLD 5 /* character case mangling */
91 #define VOLOPT_FLAGS 6 /* various flags */
92 #define VOLOPT_DBPATH 7 /* path to database */
93 #define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
95 #define VOLOPT_VETO 10 /* list of veto filespec */
96 #define VOLOPT_PREEXEC 11 /* preexec command */
97 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
98 #define VOLOPT_POSTEXEC 13 /* postexec command */
99 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
100 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
101 #define VOLOPT_MACCHARSET 16
102 #define VOLOPT_CNIDSCHEME 17
103 #define VOLOPT_ADOUBLE 18 /* adouble version */
109 #define VOLOPT_FORCEUID 19 /* force uid for username x */
110 #define VOLOPT_FORCEGID 20 /* force gid for group x */
111 #endif /* FORCE_UIDGID */
113 #define VOLOPT_UMASK 21
114 #define VOLOPT_ALLOWED_HOSTS 22
115 #define VOLOPT_DENIED_HOSTS 23
116 #define VOLOPT_DPERM 24 /* dperm default directories perms */
117 #define VOLOPT_FPERM 25 /* fperm default files perms */
118 #define VOLOPT_DFLTPERM 26 /* perm */
119 #define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
120 #define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
121 #define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
123 #define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
124 #define VOLOPT_NUM (VOLOPT_MAX + 1)
127 #define VOLOPT_DEFAULT ":DEFAULT:"
128 #define VOLOPT_DEFAULT_LEN 9
135 typedef struct _special_folder {
142 static const _special_folder special_folders[] = {
143 {"Network Trash Folder", 1, 0777, 1},
144 {"Temporary Items", 1, 0777, 1},
145 {".AppleDesktop", 1, 0777, 0},
147 {"TheFindByContentFolder", 0, 0, 1},
148 {"TheVolumeSettingsFolder", 0, 0, 1},
152 /* Forward declarations */
153 static void handle_special_folders (const struct vol *);
154 static void deletevol(struct vol *vol);
155 static void volume_free(struct vol *vol);
156 static void check_ea_sys_support(struct vol *vol);
158 static void volfree(struct vol_option *options, const struct vol_option *save)
163 for (i = 0; i < VOLOPT_MAX; i++) {
164 if (options[i].c_value && (options[i].c_value != save[i].c_value))
165 free(options[i].c_value);
168 for (i = 0; i < VOLOPT_MAX; i++) {
169 if (options[i].c_value)
170 free(options[i].c_value);
176 /* handle variable substitutions. here's what we understand:
177 * $b -> basename of path
178 * $c -> client ip/appletalk address
179 * $d -> volume pathname on server
180 * $f -> full name (whatever's in the gecos field)
183 * $i -> client ip/appletalk address without port
184 * $s -> server name (hostname if it doesn't exist)
185 * $u -> username (guest is usually nobody)
186 * $v -> volume name or basename if null
187 * $z -> zone (may not exist)
192 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
194 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
195 char *src, struct passwd *pwd, char *path, char *volname)
206 dest = calloc(destlen +1, 1);
212 strlcpy(dest, src, destlen +1);
213 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
216 /* first part of the path. just forward to the next variable. */
217 len = MIN((size_t)(p - src), destlen);
223 while (p && destlen > 0) {
224 /* now figure out what the variable is */
226 if (is_var(p, "$b")) {
228 if ((q = strrchr(path, '/')) == NULL)
230 else if (*(q + 1) != '\0')
233 } else if (is_var(p, "$c")) {
234 if (obj->proto == AFPPROTO_ASP) {
235 ASP asp = obj->handle;
237 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
238 asp->asp_sat.sat_addr.s_node);
242 } else if (obj->proto == AFPPROTO_DSI) {
243 DSI *dsi = obj->handle;
244 len = sprintf(dest, "%s:%u",
245 getip_string((struct sockaddr *)&dsi->client),
246 getip_port((struct sockaddr *)&dsi->client));
250 } else if (is_var(p, "$d")) {
252 } else if (pwd && is_var(p, "$f")) {
253 if ((r = strchr(pwd->pw_gecos, ',')))
256 } else if (pwd && is_var(p, "$g")) {
257 struct group *grp = getgrgid(pwd->pw_gid);
260 } else if (is_var(p, "$h")) {
261 q = obj->options.hostname;
262 } else if (is_var(p, "$i")) {
263 if (obj->proto == AFPPROTO_ASP) {
264 ASP asp = obj->handle;
266 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
270 } else if (obj->proto == AFPPROTO_DSI) {
271 DSI *dsi = obj->handle;
272 q = getip_string((struct sockaddr *)&dsi->client);
274 } else if (is_var(p, "$s")) {
277 else if (obj->options.server) {
278 q = obj->options.server;
280 q = obj->options.hostname;
281 } else if (obj->username && is_var(p, "$u")) {
283 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
287 } else if (is_var(p, "$v")) {
292 if ((q = strrchr(path, '/')) == NULL)
294 else if (*(q + 1) != '\0')
297 } else if (is_var(p, "$z")) {
299 } else if (is_var(p, "$$")) {
304 /* copy the stuff over. if we don't understand something that we
305 * should, just skip it over. */
307 len = MIN(p == q ? 2 : strlen(q), destlen);
308 strncpy(dest, q, len);
313 /* stuff up to next $ */
315 p = strchr(src, '$');
316 len = p ? MIN((size_t)(p - src), destlen) : destlen;
318 strncpy(dest, src, len);
326 /* to make sure that val is valid, make sure to select an opt that
328 static int optionok(const char *buf, const char *opt, const char *val)
330 if (!strstr(buf,opt))
338 /* -------------------- */
339 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
341 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
342 free(options[opt].c_value);
343 options[opt].c_value = strdup(val + 1);
346 /* ------------------------------------------
347 handle all the options. tmp can't be NULL. */
348 static void volset(struct vol_option *options, struct vol_option *save,
349 char *volname, int vlen,
354 val = strchr(tmp, ':');
356 /* we'll assume it's a volume name. */
357 strncpy(volname, tmp, vlen);
362 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
364 if (optionok(tmp, "allow:", val)) {
365 setoption(options, save, VOLOPT_ALLOW, val);
367 } else if (optionok(tmp, "deny:", val)) {
368 setoption(options, save, VOLOPT_DENY, val);
370 } else if (optionok(tmp, "rwlist:", val)) {
371 setoption(options, save, VOLOPT_RWLIST, val);
373 } else if (optionok(tmp, "rolist:", val)) {
374 setoption(options, save, VOLOPT_ROLIST, val);
376 } else if (optionok(tmp, "codepage:", val)) {
377 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
378 /* Make sure we don't screw anything */
380 } else if (optionok(tmp, "volcharset:", val)) {
381 setoption(options, save, VOLOPT_ENCODING, val);
382 } else if (optionok(tmp, "maccharset:", val)) {
383 setoption(options, save, VOLOPT_MACCHARSET, val);
384 } else if (optionok(tmp, "veto:", val)) {
385 setoption(options, save, VOLOPT_VETO, val);
386 } else if (optionok(tmp, "cnidscheme:", val)) {
387 setoption(options, save, VOLOPT_CNIDSCHEME, val);
388 } else if (optionok(tmp, "casefold:", val)) {
389 if (strcasecmp(val + 1, "tolower") == 0)
390 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
391 else if (strcasecmp(val + 1, "toupper") == 0)
392 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
393 else if (strcasecmp(val + 1, "xlatelower") == 0)
394 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
395 else if (strcasecmp(val + 1, "xlateupper") == 0)
396 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
397 } else if (optionok(tmp, "adouble:", val)) {
398 if (strcasecmp(val + 1, "v1") == 0)
399 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
400 #if AD_VERSION == AD_VERSION2
401 else if (strcasecmp(val + 1, "v2") == 0)
402 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
403 else if (strcasecmp(val + 1, "osx") == 0)
404 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
405 else if (strcasecmp(val + 1, "sfm") == 0)
406 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
408 } else if (optionok(tmp, "options:", val)) {
411 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
415 if (strcasecmp(p, "prodos") == 0)
416 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
417 else if (strcasecmp(p, "mswindows") == 0) {
418 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
419 } else if (strcasecmp(p, "crlf") == 0)
420 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
421 else if (strcasecmp(p, "noadouble") == 0)
422 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
423 else if (strcasecmp(p, "ro") == 0)
424 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
425 else if (strcasecmp(p, "nohex") == 0)
426 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
427 else if (strcasecmp(p, "usedots") == 0)
428 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
429 else if (strcasecmp(p, "invisibledots") == 0)
430 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
431 else if (strcasecmp(p, "limitsize") == 0)
432 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
433 /* support for either "dropbox" or "dropkludge" */
434 else if (strcasecmp(p, "dropbox") == 0)
435 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
436 else if (strcasecmp(p, "dropkludge") == 0)
437 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
438 else if (strcasecmp(p, "nofileid") == 0)
439 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
440 else if (strcasecmp(p, "nostat") == 0)
441 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
442 else if (strcasecmp(p, "preexec_close") == 0)
443 options[VOLOPT_PREEXEC].i_value = 1;
444 else if (strcasecmp(p, "root_preexec_close") == 0)
445 options[VOLOPT_ROOTPREEXEC].i_value = 1;
446 else if (strcasecmp(p, "upriv") == 0)
447 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
448 else if (strcasecmp(p, "acls") == 0)
449 options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
450 else if (strcasecmp(p, "nodev") == 0)
451 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
452 else if (strcasecmp(p, "caseinsensitive") == 0)
453 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
454 else if (strcasecmp(p, "illegalseq") == 0)
455 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
456 else if (strcasecmp(p, "nocnidcache") == 0)
457 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
458 else if (strcasecmp(p, "tm") == 0)
459 options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
460 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
462 else if (strcasecmp(p, "cdrom") == 0)
463 options[VOLOPT_FLAGS].i_value |= AFPVOL_CDROM | AFPVOL_RO;
465 p = strtok(NULL, ",");
468 } else if (optionok(tmp, "cnidserver:", val)) {
469 setoption(options, save, VOLOPT_CNIDSERVER, val);
471 char *p = strrchr(val + 1, ':');
474 setoption(options, save, VOLOPT_CNIDPORT, p);
477 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
478 volname, val + 1, p ? p + 1 : Cnid_port);
480 } else if (optionok(tmp, "dbpath:", val)) {
481 setoption(options, save, VOLOPT_DBPATH, val);
483 } else if (optionok(tmp, "umask:", val)) {
484 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
485 } else if (optionok(tmp, "dperm:", val)) {
486 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
487 } else if (optionok(tmp, "fperm:", val)) {
488 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
489 } else if (optionok(tmp, "perm:", val)) {
490 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
491 } else if (optionok(tmp, "password:", val)) {
492 setoption(options, save, VOLOPT_PASSWORD, val);
496 /* this code allows forced uid/gid per volume settings */
497 } else if (optionok(tmp, "forceuid:", val)) {
498 setoption(options, save, VOLOPT_FORCEUID, val);
499 } else if (optionok(tmp, "forcegid:", val)) {
500 setoption(options, save, VOLOPT_FORCEGID, val);
502 #endif /* FORCE_UIDGID */
503 } else if (optionok(tmp, "root_preexec:", val)) {
504 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
506 } else if (optionok(tmp, "preexec:", val)) {
507 setoption(options, save, VOLOPT_PREEXEC, val);
509 } else if (optionok(tmp, "root_postexec:", val)) {
510 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
512 } else if (optionok(tmp, "postexec:", val)) {
513 setoption(options, save, VOLOPT_POSTEXEC, val);
515 } else if (optionok(tmp, "allowed_hosts:", val)) {
516 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
518 } else if (optionok(tmp, "denied_hosts:", val)) {
519 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
521 } else if (optionok(tmp, "ea:", val)) {
522 if (strcasecmp(val + 1, "ad") == 0)
523 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
524 else if (strcasecmp(val + 1, "sys") == 0)
525 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
526 else if (strcasecmp(val + 1, "none") == 0)
527 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
529 } else if (optionok(tmp, "volsizelimit:", val)) {
530 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
533 /* ignore unknown options */
534 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
539 /* ----------------- */
540 static void showvol(const ucs2_t *name)
543 for ( volume = Volumes; volume; volume = volume->v_next ) {
544 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
551 /* ------------------------------- */
552 static int creatvol(AFPObj *obj, struct passwd *pwd,
553 char *path, char *name,
554 struct vol_option *options,
555 const int user /* user defined volume */
559 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
561 char tmpname[AFPVOL_U8MNAMELEN+1];
562 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
563 char suffix[6]; /* max is #FFFF */
566 if ( name == NULL || *name == '\0' ) {
567 if ((name = strrchr( path, '/' )) == NULL) {
568 return -1; /* Obviously not a fully qualified path */
571 /* if you wish to share /, you need to specify a name. */
576 /* suffix for mangling use (lastvid + 1) */
577 /* because v_vid has not been decided yet. */
578 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
580 vlen = strlen( name );
582 /* Unicode Volume Name */
583 /* Firstly convert name from unixcharset to UTF8-MAC */
585 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
587 strcpy(tmpname, "???");
591 /* Do we have to mangle ? */
592 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
593 if (tmpvlen + suffixlen > obj->options.volnamelen) {
595 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
596 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
598 strcat(tmpname, suffix);
599 tmpvlen = strlen(tmpname);
602 /* Secondly convert name from UTF8-MAC to UCS2 */
603 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
606 LOG(log_debug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
608 /* Maccharset Volume Name */
609 /* Firsty convert name from unixcharset to maccharset */
611 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
613 strcpy(tmpname, "???");
617 /* Do we have to mangle ? */
618 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
619 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
621 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_MACNAMELEN - suffixlen, &flags);
622 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
624 strcat(tmpname, suffix);
625 tmpvlen = strlen(tmpname);
628 /* Secondly convert name from maccharset to UCS2 */
629 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset, CH_UCS2, tmpname, tmpvlen, mactmpname, AFPVOL_U8MNAMELEN*2)) )
632 LOG(log_debug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
634 /* check duplicate */
635 for ( volume = Volumes; volume; volume = volume->v_next ) {
636 if (( strcasecmp_w( volume->v_u8mname, u8mtmpname ) == 0 ) || ( strcasecmp_w( volume->v_macname, mactmpname ) == 0 )){
637 if (volume->v_deleted) {
638 volume->v_new = hide = 1;
641 return -1; /* Won't be able to access it, anyway... */
646 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
647 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
650 if ( NULL == ( volume->v_localname = strdup(name))) {
651 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
656 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
657 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
662 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
663 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
668 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
669 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
675 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
676 volume->v_hide = hide;
677 strcpy( volume->v_path, path );
681 #endif /* __svr4__ */
682 /* os X start at 1 and use network order ie. 1 2 3 */
683 volume->v_vid = ++lastvid;
684 volume->v_vid = htons(volume->v_vid);
688 /* should we casefold? */
689 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
691 /* shift in some flags */
692 volume->v_flags = options[VOLOPT_FLAGS].i_value;
694 if (options[VOLOPT_EA_VFS].i_value)
695 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
697 volume->v_ad_options = 0;
698 if ((volume->v_flags & AFPVOL_NODEV))
699 volume->v_ad_options |= ADVOL_NODEV;
700 if ((volume->v_flags & AFPVOL_CACHE))
701 volume->v_ad_options |= ADVOL_CACHE;
702 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
703 volume->v_ad_options |= ADVOL_UNIXPRIV;
704 if ((volume->v_flags & AFPVOL_INV_DOTS))
705 volume->v_ad_options |= ADVOL_INVDOTS;
706 if ((volume->v_flags & AFPVOL_NOADOUBLE))
707 volume->v_ad_options |= ADVOL_NOADOUBLE;
709 if (options[VOLOPT_PASSWORD].c_value)
710 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
712 if (options[VOLOPT_VETO].c_value)
713 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
715 if (options[VOLOPT_ENCODING].c_value)
716 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
718 if (options[VOLOPT_MACCHARSET].c_value)
719 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
721 if (options[VOLOPT_DBPATH].c_value)
722 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
724 if (options[VOLOPT_CNIDSCHEME].c_value)
725 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
727 if (options[VOLOPT_CNIDSERVER].c_value)
728 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
730 if (options[VOLOPT_CNIDPORT].c_value)
731 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
733 if (options[VOLOPT_UMASK].i_value)
734 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
736 if (options[VOLOPT_DPERM].i_value)
737 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
739 if (options[VOLOPT_FPERM].i_value)
740 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
742 if (options[VOLOPT_DFLTPERM].i_value)
743 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
745 if (options[VOLOPT_ADOUBLE].i_value)
746 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
748 volume->v_adouble = AD_VERSION;
750 if (options[VOLOPT_LIMITSIZE].i_value)
751 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
753 /* Mac to Unix conversion flags*/
754 volume->v_mtou_flags = 0;
755 if (!(volume->v_flags & AFPVOL_NOHEX))
756 volume->v_mtou_flags |= CONV_ESCAPEHEX;
757 if (!(volume->v_flags & AFPVOL_USEDOTS))
758 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
759 if ((volume->v_flags & AFPVOL_EILSEQ))
760 volume->v_mtou_flags |= CONV__EILSEQ;
762 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
763 volume->v_mtou_flags |= CONV_TOUPPER;
764 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
765 volume->v_mtou_flags |= CONV_TOLOWER;
767 /* Unix to Mac conversion flags*/
768 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
769 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
770 volume->v_utom_flags |= CONV_TOUPPER;
771 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
772 volume->v_utom_flags |= CONV_TOLOWER;
774 if ((volume->v_flags & AFPVOL_EILSEQ))
775 volume->v_utom_flags |= CONV__EILSEQ;
778 if (options[VOLOPT_FORCEUID].c_value) {
779 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
781 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
784 if (options[VOLOPT_FORCEGID].c_value) {
785 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
787 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
791 if (options[VOLOPT_PREEXEC].c_value)
792 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
793 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
795 if (options[VOLOPT_POSTEXEC].c_value)
796 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
798 if (options[VOLOPT_ROOTPREEXEC].c_value)
799 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
800 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
802 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
803 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
806 volume->v_dperm |= volume->v_perm;
807 volume->v_fperm |= volume->v_perm;
809 /* Check EA support on volume */
810 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
811 check_ea_sys_support(volume);
814 volume->v_next = Volumes;
819 /* ---------------- */
820 static char *myfgets( char *buf, int size, FILE *fp)
826 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
827 if ( c == '\n' || c == '\r' ) {
828 if (p != buf && *(p -1) == '\\') {
850 /* check access list. this function wants something of the following
852 * @group,name,name2,@group2,name3
854 * a NULL argument allows everybody to have access.
855 * we return three things:
857 * 0: list exists, but name isn't in it
861 #ifndef NO_REAL_USER_NAME
862 /* authentication is case insensitive
863 * FIXME should we do the same with group name?
865 #define access_strcmp strcasecmp
868 #define access_strcmp strcmp
872 static int accessvol(const char *args, const char *name)
874 char buf[MAXPATHLEN + 1], *p;
880 strlcpy(buf, args, sizeof(buf));
881 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
885 if (*p == '@') { /* it's a group */
886 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
888 } else if (access_strcmp(p, name) == 0) /* it's a user name */
890 p = strtok(NULL, ",");
896 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
899 char buf[MAXPATHLEN + 1], *p, *b;
900 DSI *dsi = obj->handle;
901 struct sockaddr_storage client;
906 strlcpy(buf, args, sizeof(buf));
907 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
910 if (obj->proto != AFPPROTO_DSI)
915 char *ipaddr, *mask_char;
916 struct addrinfo hints, *ai;
918 ipaddr = strtok(p, "/");
919 mask_char = strtok(NULL,"/");
921 /* Get address from string with getaddrinfo */
922 memset(&hints, 0, sizeof hints);
923 hints.ai_family = AF_UNSPEC;
924 hints.ai_socktype = SOCK_STREAM;
925 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
926 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
931 if (mask_char != NULL)
932 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
934 if (ai->ai_family == AF_INET) /* IPv4 */
940 /* Apply mask to addresses */
941 client = dsi->client;
942 apply_ip_mask((struct sockaddr *)&client, mask_int);
943 apply_ip_mask(ai->ai_addr, mask_int);
945 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
946 if (type == VOLOPT_DENIED_HOSTS)
947 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
948 getip_string((struct sockaddr *)&client), volname);
955 p = strtok_r(NULL, ",", &b);
958 if (type == VOLOPT_ALLOWED_HOSTS)
959 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
960 getip_string((struct sockaddr *)&dsi->client), volname);
964 static void setextmap(char *ext, char *type, char *creator, int user)
969 if (Extmap == NULL) {
970 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
971 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
976 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
977 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
982 if ( em->em_ext == NULL ) {
983 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
984 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
987 (Extmap +cnt +1)->em_ext = NULL;
989 } else if ( !user ) {
995 if (!(em->em_ext = strdup( ext))) {
996 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1000 if ( *type == '\0' ) {
1001 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1003 memcpy(em->em_type, type, sizeof( em->em_type ));
1005 if ( *creator == '\0' ) {
1006 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1008 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1012 /* -------------------------- */
1013 static int extmap_cmp(const void *map1, const void *map2)
1015 const struct extmap *em1 = map1;
1016 const struct extmap *em2 = map2;
1017 return strdiacasecmp(em1->em_ext, em2->em_ext);
1020 static void sortextmap( void)
1025 if ((em = Extmap) == NULL) {
1028 while (em->em_ext) {
1033 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1034 if (*Extmap->em_ext == 0) {
1035 /* the first line is really "." the default entry,
1036 * we remove the leading '.' in setextmap
1043 /* ----------------------
1045 static void free_extmap( void)
1050 for ( em = Extmap; em->em_ext; em++) {
1060 /* ----------------------
1062 static int volfile_changed(struct afp_volume_name *p)
1068 name = p->full_name;
1072 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1073 p->mtime = st.st_mtime;
1079 /* ----------------------
1080 * Read a volume configuration file and add the volumes contained within to
1081 * the global volume list. This gets called from the forked afpd childs.
1082 * The master now reads this too for Zeroconf announcements.
1084 * If p2 is non-NULL, the file that is opened is
1087 * Lines that begin with # and blank lines are ignored.
1088 * Volume lines are of the form:
1089 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1090 * [codepage:<file>] [casefold:<num>]
1091 * <extension> TYPE [CREATOR]
1094 int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1097 char path[MAXPATHLEN + 1];
1098 char tmp[MAXPATHLEN + 1];
1099 char volname[AFPVOL_U8MNAMELEN + 1];
1101 char type[5], creator[5];
1104 struct vol_option save_options[VOLOPT_NUM];
1105 struct vol_option options[VOLOPT_NUM];
1113 strcpy( path, p1->name );
1115 strcat( path, "/" );
1117 if (p1->full_name) {
1118 free(p1->full_name);
1120 p1->full_name = strdup(path);
1123 if (NULL == ( fp = fopen( path, "r" )) ) {
1127 if (fd != -1 && !fstat( fd, &st) ) {
1128 p1->mtime = st.st_mtime;
1131 memset(save_options, 0, sizeof(save_options));
1133 /* Enable some default options for all volumes */
1134 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1135 save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1136 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1137 obj->options.umask);
1138 save_options[VOLOPT_UMASK].i_value = obj->options.umask;
1140 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1141 initline( strlen( buf ), buf );
1142 parseline( sizeof( path ) - 1, path );
1149 /* change the default options for this file */
1150 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1152 for (i = 0; i < VOLOPT_NUM; i++) {
1153 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1154 path + VOLOPT_DEFAULT_LEN) < 0)
1156 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1157 path + VOLOPT_DEFAULT_LEN);
1163 if (( p = strchr( path, '/' )) != NULL ) {
1171 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1174 strcpy( tmp, pw->pw_dir );
1175 if ( p != NULL && *p != '\0' ) {
1182 /* send path through variable substitution */
1183 if (*path != '~') /* need to copy path to tmp */
1185 if (!pwent && obj->username)
1186 pwent = getpwnam(obj->username);
1187 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1189 /* this is sort of braindead. basically, i want to be
1190 * able to specify things in any order, but i don't want to
1191 * re-write everything.
1193 * currently we have options:
1201 * options:prodos,crlf,noadouble,ro...
1206 * namemask:x,y,!z (not implemented yet)
1208 memcpy(options, save_options, sizeof(options));
1211 /* read in up to VOLOP_NUM possible options */
1212 for (i = 0; i < VOLOPT_NUM; i++) {
1213 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1216 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1219 /* check allow/deny lists:
1220 allow -> either no list (-1), or in list (1)
1221 deny -> either no list (-1), or not in list (0) */
1222 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1223 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1224 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1225 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1)) {
1227 /* handle read-only behaviour. semantics:
1228 * 1) neither the rolist nor the rwlist exist -> rw
1229 * 2) rolist exists -> ro if user is in it.
1230 * 3) rwlist exists -> ro unless user is in it. */
1231 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1232 ((accessvol(options[VOLOPT_ROLIST].c_value,
1233 obj->username) == 1) ||
1234 !accessvol(options[VOLOPT_RWLIST].c_value,
1236 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1238 /* do variable substitution for volname */
1239 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1240 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1242 volfree(options, save_options);
1246 parseline( sizeof( type ) - 1, type );
1247 parseline( sizeof( creator ) - 1, creator );
1248 setextmap( path, type, creator, user);
1255 volfree(save_options, NULL);
1257 if ( fclose( fp ) != 0 ) {
1258 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1264 /* ------------------------------- */
1265 static void volume_free(struct vol *vol)
1267 free(vol->v_localname);
1268 vol->v_localname = NULL;
1269 free(vol->v_u8mname);
1270 vol->v_u8mname = NULL;
1271 free(vol->v_macname);
1272 vol->v_macname = NULL;
1274 free(vol->v_password);
1276 free(vol->v_volcodepage);
1277 free(vol->v_maccodepage);
1278 free(vol->v_cnidscheme);
1279 free(vol->v_dbpath);
1282 free(vol->v_forceuid);
1283 free(vol->v_forcegid);
1284 #endif /* FORCE_UIDGID */
1287 /* ------------------------------- */
1288 static void free_volumes(void )
1291 struct vol *nvol, *ovol;
1293 for ( vol = Volumes; vol; vol = vol->v_next ) {
1294 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1301 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1304 if (vol->v_localname == NULL) {
1305 if (Volumes == vol) {
1310 ovol->v_next = nvol;
1320 /* ------------------------------- */
1321 static void volume_unlink(struct vol *volume)
1323 struct vol *vol, *ovol, *nvol;
1325 if (volume == Volumes) {
1326 Volumes = Volumes->v_next;
1329 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1332 if (vol == volume) {
1333 ovol->v_next = nvol;
1342 static int getvolspace(struct vol *vol,
1343 u_int32_t *bfree, u_int32_t *btotal,
1344 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1348 #ifndef NO_QUOTA_SUPPORT
1349 VolSpace qfree, qtotal;
1352 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1353 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1354 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1355 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1356 ? 0x7fffffffL : 0xffffffffL);
1359 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1360 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1361 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1362 goto getvolspace_done;
1367 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1371 #define min(a,b) ((a)<(b)?(a):(b))
1372 #ifndef NO_QUOTA_SUPPORT
1373 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1374 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1375 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1376 *xbfree = min(*xbfree, qfree);
1377 *xbtotal = min( *xbtotal, qtotal);
1378 goto getvolspace_done;
1382 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1385 if (vol->v_limitsize) {
1386 /* FIXME: Free could be limit minus (total minus used), */
1387 /* which will confuse the client less ? */
1388 *xbfree = min(*xbfree, (vol->v_limitsize * 1024 * 1024));
1389 *xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1392 *bfree = min( *xbfree, maxsize);
1393 *btotal = min( *xbtotal, maxsize);
1397 /* -----------------------
1398 * set volume creation date
1399 * avoid duplicate, well at least it tries
1401 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1404 struct vol *vol = Volumes;
1406 for ( volume = Volumes; volume; volume = volume->v_next ) {
1407 if (volume->v_vid == id) {
1410 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1412 volume = Volumes; /* restart */
1415 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1416 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1419 /* ----------------------- */
1420 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1423 int bit = 0, isad = 1;
1426 u_int32_t bfree, btotal, bsize;
1427 VolSpace xbfree, xbtotal; /* extended bytes */
1428 char *data, *nameoff = NULL;
1431 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1433 /* courtesy of jallison@whistle.com:
1434 * For MacOS8.x support we need to create the
1435 * .Parent file here if it doesn't exist. */
1437 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1438 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1440 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1442 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1443 slash = strrchr( vol->v_path, '/' );
1447 slash = vol->v_path;
1448 if (ad_getentryoff(&ad, ADEID_NAME)) {
1449 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1450 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1451 ad_getentrylen( &ad, ADEID_NAME ));
1453 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1457 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1458 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1460 vol->v_ctime = aint;
1463 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1464 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1465 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1466 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1467 &bsize) != AFP_OK ) {
1469 ad_close( &ad, ADFLAGS_HF );
1471 return( AFPERR_PARAM );
1476 while ( bitmap != 0 ) {
1477 while (( bitmap & 1 ) == 0 ) {
1485 /* check for read-only.
1486 * NOTE: we don't actually set the read-only flag unless
1487 * it's passed in that way as it's possible to mount
1488 * a read-write filesystem under a read-only one. */
1489 if ((vol->v_flags & AFPVOL_RO) ||
1490 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1491 ashort |= VOLPBIT_ATTR_RO;
1493 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1494 if (afp_version > 20) {
1495 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1496 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1497 ashort |= VOLPBIT_ATTR_FILEID;
1499 ashort |= VOLPBIT_ATTR_CATSEARCH;
1501 if (afp_version >= 30) {
1502 ashort |= VOLPBIT_ATTR_UTF8;
1503 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1504 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1505 if (vol->v_flags & AFPVOL_TM)
1506 ashort |= VOLPBIT_ATTR_TM;
1508 if (afp_version >= 32) {
1510 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1511 if (vol->v_flags & AFPVOL_ACLS)
1512 ashort |= VOLPBIT_ATTR_ACLS;
1516 ashort = htons(ashort);
1517 memcpy(data, &ashort, sizeof( ashort ));
1518 data += sizeof( ashort );
1522 ashort = htons( AFPVOLSIG_DEFAULT );
1523 memcpy(data, &ashort, sizeof( ashort ));
1524 data += sizeof( ashort );
1527 case VOLPBIT_CDATE :
1528 aint = vol->v_ctime;
1529 memcpy(data, &aint, sizeof( aint ));
1530 data += sizeof( aint );
1533 case VOLPBIT_MDATE :
1534 if ( st->st_mtime > vol->v_mtime ) {
1535 vol->v_mtime = st->st_mtime;
1537 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1538 memcpy(data, &aint, sizeof( aint ));
1539 data += sizeof( aint );
1542 case VOLPBIT_BDATE :
1543 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1544 aint = AD_DATE_START;
1545 memcpy(data, &aint, sizeof( aint ));
1546 data += sizeof( aint );
1550 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1551 data += sizeof( vol->v_vid );
1554 case VOLPBIT_BFREE :
1555 bfree = htonl( bfree );
1556 memcpy(data, &bfree, sizeof( bfree ));
1557 data += sizeof( bfree );
1560 case VOLPBIT_BTOTAL :
1561 btotal = htonl( btotal );
1562 memcpy(data, &btotal, sizeof( btotal ));
1563 data += sizeof( btotal );
1566 #ifndef NO_LARGE_VOL_SUPPORT
1567 case VOLPBIT_XBFREE :
1568 xbfree = hton64( xbfree );
1569 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1570 bcopy(&xbfree, data, sizeof(xbfree));
1571 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1572 memcpy(data, &xbfree, sizeof( xbfree ));
1573 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1574 data += sizeof( xbfree );
1577 case VOLPBIT_XBTOTAL :
1578 xbtotal = hton64( xbtotal );
1579 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1580 bcopy(&xbtotal, data, sizeof(xbtotal));
1581 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1582 memcpy(data, &xbtotal, sizeof( xbtotal ));
1583 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1584 data += sizeof( xbfree );
1586 #endif /* ! NO_LARGE_VOL_SUPPORT */
1590 data += sizeof( u_int16_t );
1593 case VOLPBIT_BSIZE: /* block size */
1594 bsize = htonl(bsize);
1595 memcpy(data, &bsize, sizeof(bsize));
1596 data += sizeof(bsize);
1601 ad_close( &ad, ADFLAGS_HF );
1603 return( AFPERR_BITMAP );
1609 ashort = htons( data - buf );
1610 memcpy(nameoff, &ashort, sizeof( ashort ));
1611 /* name is always in mac charset */
1612 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1622 ad_close_metadata( &ad);
1624 *buflen = data - buf;
1628 /* ------------------------- */
1629 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1635 if ( stat( vol->v_path, &st ) < 0 ) {
1637 return( AFPERR_PARAM );
1639 /* save the volume device number */
1640 vol->v_dev = st.st_dev;
1642 buflen = *rbuflen - sizeof( bitmap );
1643 if (( ret = getvolparams( bitmap, vol, &st,
1644 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1648 *rbuflen = buflen + sizeof( bitmap );
1649 bitmap = htons( bitmap );
1650 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1655 /* ------------------------------- */
1656 void load_volumes(AFPObj *obj)
1658 struct passwd *pwent;
1663 /* check files date */
1664 if (obj->options.defaultvol.loaded) {
1665 changed = volfile_changed(&obj->options.defaultvol);
1667 if (obj->options.systemvol.loaded) {
1668 changed |= volfile_changed(&obj->options.systemvol);
1670 if (obj->options.uservol.loaded) {
1671 changed |= volfile_changed(&obj->options.uservol);
1680 pwent = getpwnam(obj->username);
1681 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1682 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1685 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1686 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1689 * Read user's AppleVolumes or .AppleVolumes file
1690 * If neither are readable, read the default volumes file. if
1691 * that doesn't work, create a user share.
1693 if (obj->options.uservol.name) {
1694 free(obj->options.uservol.name);
1696 obj->options.uservol.name = strdup(pwent->pw_dir);
1697 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1698 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1699 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1700 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1701 obj->options.defaultvol.name != NULL ) {
1702 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1703 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1706 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1707 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1710 if ( obj->options.closevol ) {
1713 for ( vol = Volumes; vol; vol = vol->v_next ) {
1714 if (vol->v_deleted && !vol->v_new ) {
1723 /* ------------------------------- */
1724 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1737 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1738 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1741 if ( stat( volume->v_path, &st ) < 0 ) {
1742 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1743 volume->v_path, strerror(errno) );
1744 continue; /* can't access directory */
1746 if (!S_ISDIR(st.st_mode)) {
1747 continue; /* not a dir */
1749 accessmode(volume->v_path, &ma, NULL, &st);
1750 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1751 continue; /* no r-x access */
1754 if (volume->v_hide) {
1755 continue; /* config file changed but the volume was mounted */
1758 if (utf8_encoding()) {
1759 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
1761 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
1764 if (len == (size_t)-1)
1767 /* set password bit if there's a volume password */
1768 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1770 /* Apple 2 clients running ProDOS-8 expect one volume to have
1771 bit 0 of this byte set. They will not recognize anything
1772 on the server unless this is the case. I have not
1773 completely worked this out, but it's related to booting
1774 from the server. Support for that function is a ways
1775 off.. <shirsch@ibm.net> */
1776 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1777 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1779 memcpy(data, namebuf, len );
1785 *rbuflen = data - rbuf;
1787 if ( gettimeofday( &tv, NULL ) < 0 ) {
1788 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1790 return AFPERR_PARAM;
1792 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1793 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1794 data += sizeof( u_int32_t);
1799 /* ------------------------- */
1800 static int volume_codepage(AFPObj *obj, struct vol *volume)
1802 struct charset_functions *charset;
1805 if (!volume->v_volcodepage)
1806 volume->v_volcodepage = strdup("UTF8");
1808 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1809 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1813 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
1814 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1817 if (!volume->v_maccodepage)
1818 volume->v_maccodepage = strdup(obj->options.maccodepage);
1820 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1821 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1825 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
1826 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1829 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
1833 /* ------------------------- */
1834 static int volume_openDB(struct vol *volume)
1838 if ((volume->v_flags & AFPVOL_NODEV)) {
1839 flags |= CNID_FLAG_NODEV;
1842 if (volume->v_cnidscheme == NULL) {
1843 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1844 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
1845 volume->v_path, volume->v_cnidscheme);
1848 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
1849 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1850 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1853 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
1855 /* Legacy pre 2.1 way of sharing eg CD-ROM */
1856 if (strcmp(volume->v_cnidscheme, "last") == 0) {
1857 /* "last" is gone. We support it by switching to in-memory "tdb" */
1858 volume->v_cnidscheme = strdup("tdb");
1859 flags |= CNID_FLAG_MEMORY;
1862 /* New way of sharing CD-ROM */
1863 if (volume->v_flags & AFPVOL_CDROM) {
1864 flags |= CNID_FLAG_MEMORY;
1865 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
1866 free(volume->v_cnidscheme);
1867 volume->v_cnidscheme = strdup("tdb");
1868 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
1869 volume->v_path, volume->v_cnidscheme);
1874 volume->v_cdb = cnid_open(volume->v_dbpath ? volume->v_dbpath : volume->v_path,
1876 volume->v_cnidscheme,
1878 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1879 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1881 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
1882 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
1883 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
1884 volume->v_path, volume->v_cnidscheme);
1885 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
1887 flags |= CNID_FLAG_MEMORY;
1888 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
1890 /* kill ourself with SIGUSR2 aka msg pending */
1891 if (volume->v_cdb) {
1892 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
1893 "Check server messages for details!");
1894 kill(getpid(), SIGUSR2);
1895 /* deactivate cnid caching/storing in AppleDouble files */
1896 volume->v_flags &= ~AFPVOL_CACHE;
1901 return (!volume->v_cdb)?-1:0;
1905 Check if the underlying filesystem supports EAs for ea:sys volumes.
1906 If not, switch to ea:ad.
1907 As we can't check (requires write access) on ro-volumes, we switch ea:auto
1908 volumes that are options:ro to ea:none.
1910 static void check_ea_sys_support(struct vol *vol)
1912 uid_t process_uid = 0;
1913 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
1914 const char *eacontent = "yes";
1916 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
1918 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
1919 LOG(log_info, logtype_logger, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
1920 vol->v_vfs_ea = AFPVOL_EA_NONE;
1926 process_uid = geteuid();
1928 if (seteuid(0) == -1) {
1929 LOG(log_error, logtype_logger, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
1933 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
1934 sys_removexattr(vol->v_path, eaname);
1935 vol->v_vfs_ea = AFPVOL_EA_SYS;
1937 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
1939 vol->v_vfs_ea = AFPVOL_EA_AD;
1943 if (seteuid(process_uid) == -1) {
1944 LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
1951 /* -------------------------
1952 * we are the user here
1954 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1965 char path[ MAXPATHLEN + 1];
1971 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1972 bitmap = ntohs( bitmap );
1973 ibuf += sizeof( bitmap );
1976 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1977 return AFPERR_BITMAP;
1980 len = (unsigned char)*ibuf++;
1981 volname = obj->oldtmp;
1983 if ((volname_tmp = strchr(volname,'+')) != NULL)
1984 volname = volname_tmp+1;
1986 if (utf8_encoding()) {
1987 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
1989 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
1992 if ( namelen <= 0) {
1993 return AFPERR_PARAM;
1997 if ((len + 1) & 1) /* pad to an even boundary */
2002 for ( volume = Volumes; volume; volume = volume->v_next ) {
2003 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2008 if ( volume == NULL ) {
2009 return AFPERR_PARAM;
2012 /* check for a volume password */
2013 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2014 return AFPERR_ACCESS;
2017 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2018 /* the volume is already open */
2020 set_uidgid ( volume );
2022 return stat_vol(bitmap, volume, rbuf, rbuflen);
2025 if (volume->v_root_preexec) {
2026 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2027 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2033 set_uidgid ( volume );
2036 if (volume->v_preexec) {
2037 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2038 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2043 if ( stat( volume->v_path, &st ) < 0 ) {
2044 return AFPERR_PARAM;
2047 if ( chdir( volume->v_path ) < 0 ) {
2048 return AFPERR_PARAM;
2051 if ( NULL == getcwd(path, MAXPATHLEN)) {
2052 /* shouldn't be fatal but it will fail later */
2053 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2057 /* Normalize volume path */
2058 #ifdef REALPATH_TAKES_NULL
2059 if ((volume->v_path = realpath(path, NULL)) == NULL)
2062 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2064 if (realpath(path, volume->v_path) == NULL) {
2065 free(volume->v_path);
2068 /* Safe some memory */
2070 if ((tmp = strdup(volume->v_path)) == NULL) {
2071 free(volume->v_path);
2074 free(volume->v_path);
2075 volume->v_path = tmp;
2078 if (volume_codepage(obj, volume) < 0) {
2083 /* initialize volume variables
2086 if (utf8_encoding()) {
2087 volume->max_filename = 255;
2090 volume->max_filename = MACFILELEN;
2093 volume->v_flags |= AFPVOL_OPEN;
2094 volume->v_cdb = NULL;
2096 if (utf8_encoding()) {
2097 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2099 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2101 if ( !vol_mname || len <= 0) {
2106 if ((vol_uname = strrchr(path, '/')) == NULL)
2108 else if (*(vol_uname + 1) != '\0')
2111 if ((dir = dir_new(vol_mname,
2116 bfromcstr(volume->v_path))
2119 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2125 volume->v_root = dir;
2128 if (volume_openDB(volume) < 0) {
2129 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2130 volume->v_path, volume->v_cnidscheme);
2135 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2136 if (ret == AFP_OK) {
2138 if (!(volume->v_flags & AFPVOL_RO)) {
2139 handle_special_folders( volume );
2141 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2142 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2146 * If you mount a volume twice, the second time the trash appears on
2147 * the desk-top. That's because the Mac remembers the DID for the
2148 * trash (even for volumes in different zones, on different servers).
2149 * Just so this works better, we prime the DID cache with the trash,
2150 * fixing the trash at DID 17.
2151 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2153 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2155 /* FIXME find db time stamp */
2156 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2157 LOG (log_error, logtype_afpd,
2158 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2166 cname( volume, volume->v_root, &p );
2172 if (volume->v_root) {
2173 dir_free( volume->v_root );
2174 volume->v_root = NULL;
2177 volume->v_flags &= ~AFPVOL_OPEN;
2178 if (volume->v_cdb != NULL) {
2179 cnid_close(volume->v_cdb);
2180 volume->v_cdb = NULL;
2186 /* ------------------------- */
2187 static void closevol(struct vol *vol)
2192 dir_free( vol->v_root );
2194 if (vol->v_cdb != NULL) {
2195 cnid_close(vol->v_cdb);
2199 if (vol->v_postexec) {
2200 afprun(0, vol->v_postexec, NULL);
2202 if (vol->v_root_postexec) {
2203 afprun(1, vol->v_root_postexec, NULL);
2207 /* ------------------------- */
2208 void close_all_vol(void)
2212 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2213 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2214 ovol->v_flags &= ~AFPVOL_OPEN;
2220 /* ------------------------- */
2221 static void deletevol(struct vol *vol)
2225 vol->v_flags &= ~AFPVOL_OPEN;
2226 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2227 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2231 if ( ovol != NULL ) {
2232 /* Even if chdir fails, we can't say afp_closevol fails. */
2233 if ( chdir( ovol->v_path ) == 0 ) {
2234 curdir = ovol->v_root;
2239 if (vol->v_deleted) {
2240 showvol(vol->v_name);
2247 /* ------------------------- */
2248 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2255 memcpy(&vid, ibuf, sizeof( vid ));
2256 if (NULL == ( vol = getvolbyvid( vid )) ) {
2257 return( AFPERR_PARAM );
2265 /* ------------------------- */
2266 struct vol *getvolbyvid(const u_int16_t vid )
2270 for ( vol = Volumes; vol; vol = vol->v_next ) {
2271 if ( vid == vol->v_vid ) {
2275 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2281 #endif /* FORCE_UIDGID */
2286 /* ------------------------ */
2287 static int ext_cmp_key(const void *key, const void *obj)
2289 const char *p = key;
2290 const struct extmap *em = obj;
2291 return strdiacasecmp(p, em->em_ext);
2293 struct extmap *getextmap(const char *path)
2298 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2299 return( Defextmap );
2303 return( Defextmap );
2305 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2309 return( Defextmap );
2313 /* ------------------------- */
2314 struct extmap *getdefextmap(void)
2316 return( Defextmap );
2319 /* --------------------------
2320 poll if a volume is changed by other processes.
2322 0 no attention msg sent
2323 1 attention msg sent
2324 -1 error (socket closed)
2326 Note: if attention return -1 no packet has been
2327 sent because the buffer is full, we don't care
2328 either there's no reader or there's a lot of
2329 traffic and another pollvoltime will follow
2331 int pollvoltime(AFPObj *obj)
2338 if (!(afp_version > 21 && obj->options.server_notif))
2341 if ( gettimeofday( &tv, NULL ) < 0 )
2344 for ( vol = Volumes; vol; vol = vol->v_next ) {
2345 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2346 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2347 vol->v_mtime = st.st_mtime;
2348 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2357 /* ------------------------- */
2358 void setvoltime(AFPObj *obj, struct vol *vol)
2362 /* just looking at vol->v_mtime is broken seriously since updates
2363 * from other users afpd processes never are seen.
2364 * This is not the most elegant solution (a shared memory between
2365 * the afpd processes would come closer)
2368 if ( gettimeofday( &tv, NULL ) < 0 ) {
2369 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2372 if( utime( vol->v_path, NULL ) < 0 ) {
2373 /* write of time failed ... probably a read only filesys,
2374 * where no other users can interfere, so there's no issue here
2378 /* a little granularity */
2379 if (vol->v_mtime < tv.tv_sec) {
2380 vol->v_mtime = tv.tv_sec;
2381 /* or finder doesn't update free space
2382 * AFP 3.2 and above clients seem to be ok without so many notification
2384 if (afp_version < 32 && obj->options.server_notif) {
2385 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2390 /* ------------------------- */
2391 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2394 u_int16_t vid, bitmap;
2397 memcpy(&vid, ibuf, sizeof( vid ));
2398 ibuf += sizeof( vid );
2399 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2400 bitmap = ntohs( bitmap );
2402 if (NULL == ( vol = getvolbyvid( vid )) ) {
2404 return( AFPERR_PARAM );
2407 return stat_vol(bitmap, vol, rbuf, rbuflen);
2410 /* ------------------------- */
2411 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2415 u_int16_t vid, bitmap;
2421 memcpy(&vid, ibuf, sizeof( vid ));
2422 ibuf += sizeof( vid );
2423 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2424 bitmap = ntohs( bitmap );
2425 ibuf += sizeof(bitmap);
2427 if (( vol = getvolbyvid( vid )) == NULL ) {
2428 return( AFPERR_PARAM );
2431 if ((vol->v_flags & AFPVOL_RO))
2432 return AFPERR_VLOCK;
2434 /* we can only set the backup date. */
2435 if (bitmap != (1 << VOLPBIT_BDATE))
2436 return AFPERR_BITMAP;
2438 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2439 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2442 return AFPERR_VLOCK;
2444 return AFPERR_ACCESS;
2447 memcpy(&aint, ibuf, sizeof(aint));
2448 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2450 ad_close(&ad, ADFLAGS_HF);
2454 /* ------------------------- */
2455 int wincheck(const struct vol *vol, const char *path)
2459 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2462 /* empty paths are not allowed */
2463 if ((len = strlen(path)) == 0)
2466 /* leading or trailing whitespaces are not allowed, carriage returns
2467 * and probably other whitespace is okay, tabs are not allowed
2469 if ((path[0] == ' ') || (path[len-1] == ' '))
2472 /* certain characters are not allowed */
2473 if (strpbrk(path, MSWINDOWS_BADCHARS))
2476 /* everything else is okay */
2482 * precreate a folder
2483 * this is only intended for folders in the volume root
2484 * It will *not* work if the folder name contains extended characters
2486 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2495 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2497 LOG(log_error, logtype_afpd,"malloc failed");
2501 q=strdup(folder->name);
2503 LOG(log_error, logtype_afpd,"malloc failed");
2507 strcpy(p, vol->v_path);
2512 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2514 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2520 if ( (ret = stat( p, &st )) < 0 ) {
2521 if (folder->precreate) {
2522 if (ad_mkdir(p, folder->mode)) {
2523 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2532 if ( !ret && folder->hide) {
2534 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2535 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2541 ad_setname(&ad, folder->name);
2543 ad_getattr(&ad, &attr);
2544 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2545 ad_setattr(&ad, attr);
2547 /* do the same with the finder info */
2548 if (ad_entry(&ad, ADEID_FINDERI)) {
2549 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2550 attr |= htons(FINDERINFO_INVISIBLE);
2551 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2555 ad_close_metadata( &ad);
2562 static void handle_special_folders (const struct vol * vol)
2564 const _special_folder *p = &special_folders[0];
2566 if ((vol->v_flags & AFPVOL_RO))
2569 for (; p->name != NULL; p++) {
2570 create_special_folder (vol, p);
2574 const struct vol *getvolumes(void)