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>
39 #include <atalk/asp.h>
40 #include <atalk/dsi.h>
41 #include <atalk/adouble.h>
42 #include <atalk/afp.h>
43 #include <atalk/util.h>
44 #include <atalk/volinfo.h>
45 #include <atalk/logger.h>
46 #include <atalk/vfs.h>
47 #include <atalk/uuid.h>
48 #include <atalk/bstrlib.h>
49 #include <atalk/bstradd.h>
53 #include <atalk/cnid.h>
57 #include "directory.h"
66 extern int afprun(int root, char *cmd, int *outfd);
69 #define MIN(a, b) ((a) < (b) ? (a) : (b))
72 #ifndef NO_LARGE_VOL_SUPPORT
73 #if BYTE_ORDER == BIG_ENDIAN
76 #else /* BYTE_ORDER == BIG_ENDIAN */
77 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
78 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
79 #define ntoh64(x) (hton64(x))
80 #endif /* BYTE_ORDER == BIG_ENDIAN */
81 #endif /* ! NO_LARGE_VOL_SUPPORT */
83 #ifndef UUID_PRINTABLE_STRING_LENGTH
84 #define UUID_PRINTABLE_STRING_LENGTH 37
88 struct vol *current_vol; /* last volume from getvolbyvid() */
90 static struct vol *Volumes = NULL;
91 static u_int16_t lastvid = 0;
92 static char *Trash = "\02\024Network Trash Folder";
94 static struct extmap *Extmap = NULL, *Defextmap = NULL;
95 static int Extmap_cnt;
96 static void free_extmap(void);
98 #define VOLOPT_ALLOW 0 /* user allow list */
99 #define VOLOPT_DENY 1 /* user deny list */
100 #define VOLOPT_RWLIST 2 /* user rw list */
101 #define VOLOPT_ROLIST 3 /* user ro list */
102 #define VOLOPT_PASSWORD 4 /* volume password */
103 #define VOLOPT_CASEFOLD 5 /* character case mangling */
104 #define VOLOPT_FLAGS 6 /* various flags */
105 #define VOLOPT_DBPATH 7 /* path to database */
106 #define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
108 #define VOLOPT_VETO 10 /* list of veto filespec */
109 #define VOLOPT_PREEXEC 11 /* preexec command */
110 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
111 #define VOLOPT_POSTEXEC 13 /* postexec command */
112 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
113 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
114 #define VOLOPT_MACCHARSET 16
115 #define VOLOPT_CNIDSCHEME 17
116 #define VOLOPT_ADOUBLE 18 /* adouble version */
122 #define VOLOPT_FORCEUID 19 /* force uid for username x */
123 #define VOLOPT_FORCEGID 20 /* force gid for group x */
124 #endif /* FORCE_UIDGID */
126 #define VOLOPT_UMASK 21
127 #define VOLOPT_ALLOWED_HOSTS 22
128 #define VOLOPT_DENIED_HOSTS 23
129 #define VOLOPT_DPERM 24 /* dperm default directories perms */
130 #define VOLOPT_FPERM 25 /* fperm default files perms */
131 #define VOLOPT_DFLTPERM 26 /* perm */
132 #define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
133 #define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
134 #define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
136 #define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
137 #define VOLOPT_NUM (VOLOPT_MAX + 1)
140 #define VOLOPT_DEFAULT ":DEFAULT:"
141 #define VOLOPT_DEFAULT_LEN 9
148 typedef struct _special_folder {
155 static const _special_folder special_folders[] = {
156 {"Network Trash Folder", 1, 0777, 1},
157 {"Temporary Items", 1, 0777, 1},
158 {".AppleDesktop", 1, 0777, 0},
160 {"TheFindByContentFolder", 0, 0, 1},
161 {"TheVolumeSettingsFolder", 0, 0, 1},
165 /* Forward declarations */
166 static void handle_special_folders (const struct vol *);
167 static void deletevol(struct vol *vol);
168 static void volume_free(struct vol *vol);
169 static void check_ea_sys_support(struct vol *vol);
170 static char *get_vol_uuid(const AFPObj *obj, const char *volname);
171 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1,char *p2, int user, struct passwd *pwent);
173 static void volfree(struct vol_option *options, const struct vol_option *save)
178 for (i = 0; i < VOLOPT_MAX; i++) {
179 if (options[i].c_value && (options[i].c_value != save[i].c_value))
180 free(options[i].c_value);
183 for (i = 0; i < VOLOPT_MAX; i++) {
184 if (options[i].c_value)
185 free(options[i].c_value);
191 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
194 * Handle variable substitutions. here's what we understand:
195 * $b -> basename of path
196 * $c -> client ip/appletalk address
197 * $d -> volume pathname on server
198 * $f -> full name (whatever's in the gecos field)
201 * $i -> client ip/appletalk address without port
202 * $s -> server name (hostname if it doesn't exist)
203 * $u -> username (guest is usually nobody)
204 * $v -> volume name or basename if null
205 * $z -> zone (may not exist)
208 * This get's called from readvolfile with
209 * path = NULL, volname = NULL for xlating the volumes path
210 * path = path, volname = NULL for xlating the volumes name
211 * ... and from volumes options parsing code when xlating eg dbpath with
212 * path = path, volname = volname
214 * Using this information we can reject xlation of any variable depeninding on a login
215 * context which is not given in the afp master, where we must evaluate this whole stuff
216 * too for the Zeroconf announcements.
218 static char *volxlate(AFPObj *obj,
231 int xlatevolname = 0;
233 if (parent_or_child == 0)
236 if (path && !volname)
244 dest = calloc(destlen +1, 1);
250 strlcpy(dest, src, destlen +1);
251 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
254 /* first part of the path. just forward to the next variable. */
255 len = MIN((size_t)(p - src), destlen);
261 while (p && destlen > 0) {
262 /* now figure out what the variable is */
264 if (is_var(p, "$b")) {
265 if (afpmaster && xlatevolname)
268 if ((q = strrchr(path, '/')) == NULL)
270 else if (*(q + 1) != '\0')
273 } else if (is_var(p, "$c")) {
274 if (afpmaster && xlatevolname)
276 if (obj->proto == AFPPROTO_ASP) {
277 ASP asp = obj->handle;
279 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
280 asp->asp_sat.sat_addr.s_node);
284 } else if (obj->proto == AFPPROTO_DSI) {
285 DSI *dsi = obj->handle;
286 len = sprintf(dest, "%s:%u",
287 getip_string((struct sockaddr *)&dsi->client),
288 getip_port((struct sockaddr *)&dsi->client));
292 } else if (is_var(p, "$d")) {
293 if (afpmaster && xlatevolname)
296 } else if (pwd && is_var(p, "$f")) {
297 if (afpmaster && xlatevolname)
299 if ((r = strchr(pwd->pw_gecos, ',')))
302 } else if (pwd && is_var(p, "$g")) {
303 if (afpmaster && xlatevolname)
305 struct group *grp = getgrgid(pwd->pw_gid);
308 } else if (is_var(p, "$h")) {
309 q = obj->options.hostname;
310 } else if (is_var(p, "$i")) {
311 if (afpmaster && xlatevolname)
313 if (obj->proto == AFPPROTO_ASP) {
314 ASP asp = obj->handle;
316 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
320 } else if (obj->proto == AFPPROTO_DSI) {
321 DSI *dsi = obj->handle;
322 q = getip_string((struct sockaddr *)&dsi->client);
324 } else if (is_var(p, "$s")) {
327 else if (obj->options.server) {
328 q = obj->options.server;
330 q = obj->options.hostname;
331 } else if (obj->username && is_var(p, "$u")) {
332 if (afpmaster && xlatevolname)
335 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
339 } else if (is_var(p, "$v")) {
340 if (afpmaster && xlatevolname)
346 if ((q = strrchr(path, '/')) == NULL)
348 else if (*(q + 1) != '\0')
351 } else if (is_var(p, "$z")) {
353 } else if (is_var(p, "$$")) {
358 /* copy the stuff over. if we don't understand something that we
359 * should, just skip it over. */
361 len = MIN(p == q ? 2 : strlen(q), destlen);
362 strncpy(dest, q, len);
367 /* stuff up to next $ */
369 p = strchr(src, '$');
370 len = p ? MIN((size_t)(p - src), destlen) : destlen;
372 strncpy(dest, src, len);
380 /* to make sure that val is valid, make sure to select an opt that
382 static int optionok(const char *buf, const char *opt, const char *val)
384 if (!strstr(buf,opt))
392 /* -------------------- */
393 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
395 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
396 free(options[opt].c_value);
397 options[opt].c_value = strdup(val + 1);
400 /* ------------------------------------------
401 handle all the options. tmp can't be NULL. */
402 static void volset(struct vol_option *options, struct vol_option *save,
403 char *volname, int vlen,
408 val = strchr(tmp, ':');
410 /* we'll assume it's a volume name. */
411 strncpy(volname, tmp, vlen);
416 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
418 if (optionok(tmp, "allow:", val)) {
419 setoption(options, save, VOLOPT_ALLOW, val);
421 } else if (optionok(tmp, "deny:", val)) {
422 setoption(options, save, VOLOPT_DENY, val);
424 } else if (optionok(tmp, "rwlist:", val)) {
425 setoption(options, save, VOLOPT_RWLIST, val);
427 } else if (optionok(tmp, "rolist:", val)) {
428 setoption(options, save, VOLOPT_ROLIST, val);
430 } else if (optionok(tmp, "codepage:", val)) {
431 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
432 /* Make sure we don't screw anything */
434 } else if (optionok(tmp, "volcharset:", val)) {
435 setoption(options, save, VOLOPT_ENCODING, val);
436 } else if (optionok(tmp, "maccharset:", val)) {
437 setoption(options, save, VOLOPT_MACCHARSET, val);
438 } else if (optionok(tmp, "veto:", val)) {
439 setoption(options, save, VOLOPT_VETO, val);
440 } else if (optionok(tmp, "cnidscheme:", val)) {
441 setoption(options, save, VOLOPT_CNIDSCHEME, val);
442 } else if (optionok(tmp, "casefold:", val)) {
443 if (strcasecmp(val + 1, "tolower") == 0)
444 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
445 else if (strcasecmp(val + 1, "toupper") == 0)
446 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
447 else if (strcasecmp(val + 1, "xlatelower") == 0)
448 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
449 else if (strcasecmp(val + 1, "xlateupper") == 0)
450 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
451 } else if (optionok(tmp, "adouble:", val)) {
452 if (strcasecmp(val + 1, "v1") == 0)
453 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
454 #if AD_VERSION == AD_VERSION2
455 else if (strcasecmp(val + 1, "v2") == 0)
456 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
457 else if (strcasecmp(val + 1, "osx") == 0)
458 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
459 else if (strcasecmp(val + 1, "sfm") == 0)
460 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
462 } else if (optionok(tmp, "options:", val)) {
465 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
469 if (strcasecmp(p, "prodos") == 0)
470 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
471 else if (strcasecmp(p, "mswindows") == 0) {
472 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
473 } else if (strcasecmp(p, "crlf") == 0)
474 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
475 else if (strcasecmp(p, "noadouble") == 0)
476 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
477 else if (strcasecmp(p, "ro") == 0)
478 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
479 else if (strcasecmp(p, "nohex") == 0)
480 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
481 else if (strcasecmp(p, "usedots") == 0)
482 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
483 else if (strcasecmp(p, "invisibledots") == 0)
484 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
485 else if (strcasecmp(p, "limitsize") == 0)
486 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
487 /* support for either "dropbox" or "dropkludge" */
488 else if (strcasecmp(p, "dropbox") == 0)
489 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
490 else if (strcasecmp(p, "dropkludge") == 0)
491 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
492 else if (strcasecmp(p, "nofileid") == 0)
493 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
494 else if (strcasecmp(p, "nostat") == 0)
495 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
496 else if (strcasecmp(p, "preexec_close") == 0)
497 options[VOLOPT_PREEXEC].i_value = 1;
498 else if (strcasecmp(p, "root_preexec_close") == 0)
499 options[VOLOPT_ROOTPREEXEC].i_value = 1;
500 else if (strcasecmp(p, "upriv") == 0)
501 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
502 else if (strcasecmp(p, "nodev") == 0)
503 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
504 else if (strcasecmp(p, "caseinsensitive") == 0)
505 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
506 else if (strcasecmp(p, "illegalseq") == 0)
507 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
508 else if (strcasecmp(p, "nocnidcache") == 0)
509 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
510 else if (strcasecmp(p, "tm") == 0)
511 options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
512 else if (strcasecmp(p, "searchdb") == 0)
513 options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
514 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
516 else if (strcasecmp(p, "cdrom") == 0)
517 options[VOLOPT_FLAGS].i_value |= AFPVOL_CDROM | AFPVOL_RO;
519 p = strtok(NULL, ",");
522 } else if (optionok(tmp, "cnidserver:", val)) {
523 setoption(options, save, VOLOPT_CNIDSERVER, val);
525 char *p = strrchr(val + 1, ':');
528 setoption(options, save, VOLOPT_CNIDPORT, p);
531 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
532 volname, val + 1, p ? p + 1 : Cnid_port);
534 } else if (optionok(tmp, "dbpath:", val)) {
535 setoption(options, save, VOLOPT_DBPATH, val);
537 } else if (optionok(tmp, "umask:", val)) {
538 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
539 } else if (optionok(tmp, "dperm:", val)) {
540 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
541 } else if (optionok(tmp, "fperm:", val)) {
542 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
543 } else if (optionok(tmp, "perm:", val)) {
544 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
545 } else if (optionok(tmp, "password:", val)) {
546 setoption(options, save, VOLOPT_PASSWORD, val);
550 /* this code allows forced uid/gid per volume settings */
551 } else if (optionok(tmp, "forceuid:", val)) {
552 setoption(options, save, VOLOPT_FORCEUID, val);
553 } else if (optionok(tmp, "forcegid:", val)) {
554 setoption(options, save, VOLOPT_FORCEGID, val);
556 #endif /* FORCE_UIDGID */
557 } else if (optionok(tmp, "root_preexec:", val)) {
558 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
560 } else if (optionok(tmp, "preexec:", val)) {
561 setoption(options, save, VOLOPT_PREEXEC, val);
563 } else if (optionok(tmp, "root_postexec:", val)) {
564 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
566 } else if (optionok(tmp, "postexec:", val)) {
567 setoption(options, save, VOLOPT_POSTEXEC, val);
569 } else if (optionok(tmp, "allowed_hosts:", val)) {
570 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
572 } else if (optionok(tmp, "denied_hosts:", val)) {
573 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
575 } else if (optionok(tmp, "ea:", val)) {
576 if (strcasecmp(val + 1, "ad") == 0)
577 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
578 else if (strcasecmp(val + 1, "sys") == 0)
579 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
580 else if (strcasecmp(val + 1, "none") == 0)
581 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
583 } else if (optionok(tmp, "volsizelimit:", val)) {
584 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
587 /* ignore unknown options */
588 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
593 /* ----------------- */
594 static void showvol(const ucs2_t *name)
597 for ( volume = Volumes; volume; volume = volume->v_next ) {
598 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
605 /* ------------------------------- */
606 static int creatvol(AFPObj *obj, struct passwd *pwd,
607 char *path, char *name,
608 struct vol_option *options,
609 const int user /* user defined volume */
613 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
615 char tmpname[AFPVOL_U8MNAMELEN+1];
616 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
617 char suffix[6]; /* max is #FFFF */
620 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
622 if ( name == NULL || *name == '\0' ) {
623 if ((name = strrchr( path, '/' )) == NULL) {
624 return -1; /* Obviously not a fully qualified path */
627 /* if you wish to share /, you need to specify a name. */
632 /* suffix for mangling use (lastvid + 1) */
633 /* because v_vid has not been decided yet. */
634 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
636 vlen = strlen( name );
638 /* Unicode Volume Name */
639 /* Firstly convert name from unixcharset to UTF8-MAC */
641 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
643 strcpy(tmpname, "???");
647 /* Do we have to mangle ? */
648 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
649 if (tmpvlen + suffixlen > obj->options.volnamelen) {
651 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
652 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
654 strcat(tmpname, suffix);
655 tmpvlen = strlen(tmpname);
658 /* Secondly convert name from UTF8-MAC to UCS2 */
659 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
662 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
664 /* Maccharset Volume Name */
665 /* Firsty convert name from unixcharset to maccharset */
667 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
669 strcpy(tmpname, "???");
673 /* Do we have to mangle ? */
674 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
675 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
677 tmpvlen = convert_charset(obj->options.unixcharset,
678 obj->options.maccharset,
683 AFPVOL_MACNAMELEN - suffixlen,
685 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
687 strcat(tmpname, suffix);
688 tmpvlen = strlen(tmpname);
691 /* Secondly convert name from maccharset to UCS2 */
692 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
697 AFPVOL_U8MNAMELEN*2)) )
700 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
702 /* check duplicate */
703 for ( volume = Volumes; volume; volume = volume->v_next ) {
704 if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
706 (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
707 LOG (log_error, logtype_afpd,
708 "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
709 volume->v_localname, name);
710 if (volume->v_deleted) {
711 volume->v_new = hide = 1;
714 return -1; /* Won't be able to access it, anyway... */
719 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
720 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
723 if ( NULL == ( volume->v_localname = strdup(name))) {
724 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
729 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
730 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
735 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
736 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
741 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
742 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
748 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
749 volume->v_hide = hide;
750 strcpy( volume->v_path, path );
754 #endif /* __svr4__ */
755 /* os X start at 1 and use network order ie. 1 2 3 */
756 volume->v_vid = ++lastvid;
757 volume->v_vid = htons(volume->v_vid);
759 if (check_vol_acl_support(volume))
760 volume->v_flags |= AFPVOL_ACLS
766 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
767 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
769 if (options[VOLOPT_EA_VFS].i_value)
770 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
772 volume->v_ad_options = 0;
773 if ((volume->v_flags & AFPVOL_NODEV))
774 volume->v_ad_options |= ADVOL_NODEV;
775 if ((volume->v_flags & AFPVOL_CACHE))
776 volume->v_ad_options |= ADVOL_CACHE;
777 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
778 volume->v_ad_options |= ADVOL_UNIXPRIV;
779 if ((volume->v_flags & AFPVOL_INV_DOTS))
780 volume->v_ad_options |= ADVOL_INVDOTS;
781 if ((volume->v_flags & AFPVOL_NOADOUBLE))
782 volume->v_ad_options |= ADVOL_NOADOUBLE;
784 if (options[VOLOPT_PASSWORD].c_value)
785 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
787 if (options[VOLOPT_VETO].c_value)
788 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
790 if (options[VOLOPT_ENCODING].c_value)
791 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
793 if (options[VOLOPT_MACCHARSET].c_value)
794 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
796 if (options[VOLOPT_DBPATH].c_value)
797 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
799 if (options[VOLOPT_CNIDSCHEME].c_value)
800 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
802 if (options[VOLOPT_CNIDSERVER].c_value)
803 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
805 if (options[VOLOPT_CNIDPORT].c_value)
806 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
808 if (options[VOLOPT_UMASK].i_value)
809 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
811 if (options[VOLOPT_DPERM].i_value)
812 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
814 if (options[VOLOPT_FPERM].i_value)
815 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
817 if (options[VOLOPT_DFLTPERM].i_value)
818 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
820 if (options[VOLOPT_ADOUBLE].i_value)
821 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
823 volume->v_adouble = AD_VERSION;
825 if (options[VOLOPT_LIMITSIZE].i_value)
826 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
828 /* Mac to Unix conversion flags*/
829 volume->v_mtou_flags = 0;
830 if (!(volume->v_flags & AFPVOL_NOHEX))
831 volume->v_mtou_flags |= CONV_ESCAPEHEX;
832 if (!(volume->v_flags & AFPVOL_USEDOTS))
833 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
834 if ((volume->v_flags & AFPVOL_EILSEQ))
835 volume->v_mtou_flags |= CONV__EILSEQ;
837 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
838 volume->v_mtou_flags |= CONV_TOUPPER;
839 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
840 volume->v_mtou_flags |= CONV_TOLOWER;
842 /* Unix to Mac conversion flags*/
843 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
844 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
845 volume->v_utom_flags |= CONV_TOUPPER;
846 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
847 volume->v_utom_flags |= CONV_TOLOWER;
849 if ((volume->v_flags & AFPVOL_EILSEQ))
850 volume->v_utom_flags |= CONV__EILSEQ;
853 if (options[VOLOPT_FORCEUID].c_value) {
854 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
856 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
859 if (options[VOLOPT_FORCEGID].c_value) {
860 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
862 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
866 if (options[VOLOPT_PREEXEC].c_value)
867 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
868 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
870 if (options[VOLOPT_POSTEXEC].c_value)
871 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
873 if (options[VOLOPT_ROOTPREEXEC].c_value)
874 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
875 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
877 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
878 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
881 volume->v_dperm |= volume->v_perm;
882 volume->v_fperm |= volume->v_perm;
884 /* Check EA support on volume */
885 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
886 check_ea_sys_support(volume);
889 /* get/store uuid from file in afpd master*/
890 if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
891 char *uuid = get_vol_uuid(obj, volume->v_localname);
893 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
894 volume->v_localname);
896 volume->v_uuid = uuid;
897 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
898 volume->v_localname, volume->v_uuid);
902 volume->v_next = Volumes;
907 /* ---------------- */
908 static char *myfgets( char *buf, int size, FILE *fp)
914 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
915 if ( c == '\n' || c == '\r' ) {
916 if (p != buf && *(p -1) == '\\') {
938 /* check access list. this function wants something of the following
940 * @group,name,name2,@group2,name3
942 * a NULL argument allows everybody to have access.
943 * we return three things:
945 * 0: list exists, but name isn't in it
949 #ifndef NO_REAL_USER_NAME
950 /* authentication is case insensitive
951 * FIXME should we do the same with group name?
953 #define access_strcmp strcasecmp
956 #define access_strcmp strcmp
960 static int accessvol(const char *args, const char *name)
962 char buf[MAXPATHLEN + 1], *p;
968 strlcpy(buf, args, sizeof(buf));
969 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
973 if (*p == '@') { /* it's a group */
974 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
976 } else if (access_strcmp(p, name) == 0) /* it's a user name */
978 p = strtok(NULL, ",");
984 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
987 char buf[MAXPATHLEN + 1], *p, *b;
988 DSI *dsi = obj->handle;
989 struct sockaddr_storage client;
994 strlcpy(buf, args, sizeof(buf));
995 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
998 if (obj->proto != AFPPROTO_DSI)
1003 char *ipaddr, *mask_char;
1004 struct addrinfo hints, *ai;
1006 ipaddr = strtok(p, "/");
1007 mask_char = strtok(NULL,"/");
1009 /* Get address from string with getaddrinfo */
1010 memset(&hints, 0, sizeof hints);
1011 hints.ai_family = AF_UNSPEC;
1012 hints.ai_socktype = SOCK_STREAM;
1013 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
1014 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
1019 if (mask_char != NULL)
1020 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
1022 if (ai->ai_family == AF_INET) /* IPv4 */
1028 /* Apply mask to addresses */
1029 client = dsi->client;
1030 apply_ip_mask((struct sockaddr *)&client, mask_int);
1031 apply_ip_mask(ai->ai_addr, mask_int);
1033 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
1034 if (type == VOLOPT_DENIED_HOSTS)
1035 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
1036 getip_string((struct sockaddr *)&client), volname);
1043 p = strtok_r(NULL, ",", &b);
1046 if (type == VOLOPT_ALLOWED_HOSTS)
1047 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
1048 getip_string((struct sockaddr *)&dsi->client), volname);
1052 static void setextmap(char *ext, char *type, char *creator, int user)
1057 if (Extmap == NULL) {
1058 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
1059 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
1064 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
1065 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
1070 if ( em->em_ext == NULL ) {
1071 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
1072 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
1075 (Extmap +cnt +1)->em_ext = NULL;
1077 } else if ( !user ) {
1083 if (!(em->em_ext = strdup( ext))) {
1084 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1088 if ( *type == '\0' ) {
1089 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1091 memcpy(em->em_type, type, sizeof( em->em_type ));
1093 if ( *creator == '\0' ) {
1094 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1096 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1100 /* -------------------------- */
1101 static int extmap_cmp(const void *map1, const void *map2)
1103 const struct extmap *em1 = map1;
1104 const struct extmap *em2 = map2;
1105 return strdiacasecmp(em1->em_ext, em2->em_ext);
1108 static void sortextmap( void)
1113 if ((em = Extmap) == NULL) {
1116 while (em->em_ext) {
1121 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1122 if (*Extmap->em_ext == 0) {
1123 /* the first line is really "." the default entry,
1124 * we remove the leading '.' in setextmap
1131 /* ----------------------
1133 static void free_extmap( void)
1138 for ( em = Extmap; em->em_ext; em++) {
1148 /* ----------------------
1150 static int volfile_changed(struct afp_volume_name *p)
1156 name = p->full_name;
1160 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1161 p->mtime = st.st_mtime;
1167 /* ----------------------
1168 * Read a volume configuration file and add the volumes contained within to
1169 * the global volume list. This gets called from the forked afpd childs.
1170 * The master now reads this too for Zeroconf announcements.
1172 * If p2 is non-NULL, the file that is opened is
1175 * Lines that begin with # and blank lines are ignored.
1176 * Volume lines are of the form:
1177 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1178 * [codepage:<file>] [casefold:<num>]
1179 * <extension> TYPE [CREATOR]
1182 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1185 char path[MAXPATHLEN + 1];
1186 char tmp[MAXPATHLEN + 1];
1187 char volname[AFPVOL_U8MNAMELEN + 1];
1189 char type[5], creator[5];
1194 struct vol_option save_options[VOLOPT_NUM];
1195 struct vol_option options[VOLOPT_NUM];
1201 strcpy( path, p1->name );
1203 strcat( path, "/" );
1205 if (p1->full_name) {
1206 free(p1->full_name);
1208 p1->full_name = strdup(path);
1211 if (NULL == ( fp = fopen( path, "r" )) ) {
1215 if (fd != -1 && !fstat( fd, &st) ) {
1216 p1->mtime = st.st_mtime;
1219 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1220 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1221 if ( fclose( fp ) != 0 ) {
1222 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1227 memset(save_options, 0, sizeof(save_options));
1229 /* Enable some default options for all volumes */
1230 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1231 save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1232 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1233 obj->options.umask);
1234 save_options[VOLOPT_UMASK].i_value = obj->options.umask;
1236 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1238 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1239 initline( strlen( buf ), buf );
1240 parseline( sizeof( path ) - 1, path );
1247 /* change the default options for this file */
1248 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1250 for (i = 0; i < VOLOPT_NUM; i++) {
1251 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1252 path + VOLOPT_DEFAULT_LEN) < 0)
1254 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1255 path + VOLOPT_DEFAULT_LEN);
1261 if (( p = strchr( path, '/' )) != NULL ) {
1269 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1272 strcpy( tmp, pw->pw_dir );
1273 if ( p != NULL && *p != '\0' ) {
1280 /* send path through variable substitution */
1281 if (*path != '~') /* need to copy path to tmp */
1283 if (!pwent && obj->username)
1284 pwent = getpwnam(obj->username);
1286 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1289 /* this is sort of braindead. basically, i want to be
1290 * able to specify things in any order, but i don't want to
1291 * re-write everything. */
1293 memcpy(options, save_options, sizeof(options));
1296 /* read in up to VOLOP_NUM possible options */
1297 for (i = 0; i < VOLOPT_NUM; i++) {
1298 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1301 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1304 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1305 allow -> either no list (-1), or in list (1)
1306 deny -> either no list (-1), or not in list (0) */
1307 if (parent_or_child == 0
1309 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1310 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1311 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1312 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1314 /* handle read-only behaviour. semantics:
1315 * 1) neither the rolist nor the rwlist exist -> rw
1316 * 2) rolist exists -> ro if user is in it.
1317 * 3) rwlist exists -> ro unless user is in it. */
1318 if (parent_or_child == 1
1320 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1322 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1323 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1324 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1326 /* do variable substitution for volname */
1327 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1330 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1332 volfree(options, save_options);
1336 parseline( sizeof( type ) - 1, type );
1337 parseline( sizeof( creator ) - 1, creator );
1338 setextmap( path, type, creator, user);
1345 volfree(save_options, NULL);
1347 if ( fclose( fp ) != 0 ) {
1348 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1354 /* ------------------------------- */
1355 static void volume_free(struct vol *vol)
1357 free(vol->v_localname);
1358 vol->v_localname = NULL;
1359 free(vol->v_u8mname);
1360 vol->v_u8mname = NULL;
1361 free(vol->v_macname);
1362 vol->v_macname = NULL;
1364 free(vol->v_password);
1366 free(vol->v_volcodepage);
1367 free(vol->v_maccodepage);
1368 free(vol->v_cnidscheme);
1369 free(vol->v_dbpath);
1372 free(vol->v_forceuid);
1373 free(vol->v_forcegid);
1374 #endif /* FORCE_UIDGID */
1379 /* ------------------------------- */
1380 static void free_volumes(void )
1383 struct vol *nvol, *ovol;
1385 for ( vol = Volumes; vol; vol = vol->v_next ) {
1386 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1393 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1396 if (vol->v_localname == NULL) {
1397 if (Volumes == vol) {
1402 ovol->v_next = nvol;
1412 /* ------------------------------- */
1413 static void volume_unlink(struct vol *volume)
1415 struct vol *vol, *ovol, *nvol;
1417 if (volume == Volumes) {
1418 Volumes = Volumes->v_next;
1421 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1424 if (vol == volume) {
1425 ovol->v_next = nvol;
1434 static int getvolspace(struct vol *vol,
1435 u_int32_t *bfree, u_int32_t *btotal,
1436 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1440 #ifndef NO_QUOTA_SUPPORT
1441 VolSpace qfree, qtotal;
1444 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1445 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1446 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1447 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1448 ? 0x7fffffffL : 0xffffffffL);
1451 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1452 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1453 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1454 goto getvolspace_done;
1459 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1463 #define min(a,b) ((a)<(b)?(a):(b))
1464 #ifndef NO_QUOTA_SUPPORT
1465 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1466 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1467 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1468 *xbfree = min(*xbfree, qfree);
1469 *xbtotal = min( *xbtotal, qtotal);
1470 goto getvolspace_done;
1474 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1477 if (vol->v_limitsize) {
1480 if ((cmdstr = bformat("du -sh \"%s\" 2> /dev/null | cut -f1", vol->v_path)) == NULL)
1483 FILE *cmd = popen(cfrombstr(cmdstr), "r");
1489 fgets(buf, 100, cmd);
1491 if (pclose(cmd) == -1)
1495 if (buf[strlen(buf) - 2] == 'G' || buf[strlen(buf) - 2] == 'g')
1497 multi = 1024 * 1024 * 1024;
1498 else if (buf[strlen(buf) - 2] == 'M' || buf[strlen(buf) - 2] == 'm')
1500 multi = 1024 * 1024;
1501 else if (buf[strlen(buf) - 2] == 'K' || buf[strlen(buf) - 2] == 'k')
1506 if (p = strchr(buf, ','))
1507 /* ignore fraction */
1510 /* remove G|M|K char */
1511 buf[strlen(buf) - 2] = 0;
1512 /* now buf contains only digits */
1513 long long used = atoll(buf) * multi;
1515 LOG(log_debug, logtype_afpd, "volparams: used on volume: %llu bytes", used);
1517 *xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1518 *xbfree = min(*xbfree, *xbtotal < used ? 0 : *xbtotal - used);
1521 *bfree = min( *xbfree, maxsize);
1522 *btotal = min( *xbtotal, maxsize);
1526 /* -----------------------
1527 * set volume creation date
1528 * avoid duplicate, well at least it tries
1530 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1533 struct vol *vol = Volumes;
1535 for ( volume = Volumes; volume; volume = volume->v_next ) {
1536 if (volume->v_vid == id) {
1539 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1541 volume = Volumes; /* restart */
1544 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1545 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1548 /* ----------------------- */
1549 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1552 int bit = 0, isad = 1;
1555 u_int32_t bfree, btotal, bsize;
1556 VolSpace xbfree, xbtotal; /* extended bytes */
1557 char *data, *nameoff = NULL;
1560 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1562 /* courtesy of jallison@whistle.com:
1563 * For MacOS8.x support we need to create the
1564 * .Parent file here if it doesn't exist. */
1566 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1567 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1569 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1571 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1572 slash = strrchr( vol->v_path, '/' );
1576 slash = vol->v_path;
1577 if (ad_getentryoff(&ad, ADEID_NAME)) {
1578 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1579 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1580 ad_getentrylen( &ad, ADEID_NAME ));
1582 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1586 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1587 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1589 vol->v_ctime = aint;
1592 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1593 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1594 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1595 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1596 &bsize) != AFP_OK ) {
1598 ad_close( &ad, ADFLAGS_HF );
1600 return( AFPERR_PARAM );
1605 while ( bitmap != 0 ) {
1606 while (( bitmap & 1 ) == 0 ) {
1614 /* check for read-only.
1615 * NOTE: we don't actually set the read-only flag unless
1616 * it's passed in that way as it's possible to mount
1617 * a read-write filesystem under a read-only one. */
1618 if ((vol->v_flags & AFPVOL_RO) ||
1619 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1620 ashort |= VOLPBIT_ATTR_RO;
1622 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1623 if (afp_version > 20) {
1624 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1625 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1626 ashort |= VOLPBIT_ATTR_FILEID;
1628 ashort |= VOLPBIT_ATTR_CATSEARCH;
1630 if (afp_version >= 30) {
1631 ashort |= VOLPBIT_ATTR_UTF8;
1632 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1633 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1634 if (vol->v_flags & AFPVOL_TM)
1635 ashort |= VOLPBIT_ATTR_TM;
1637 if (afp_version >= 32) {
1639 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1640 if (vol->v_flags & AFPVOL_ACLS)
1641 ashort |= VOLPBIT_ATTR_ACLS;
1645 ashort = htons(ashort);
1646 memcpy(data, &ashort, sizeof( ashort ));
1647 data += sizeof( ashort );
1651 ashort = htons( AFPVOLSIG_DEFAULT );
1652 memcpy(data, &ashort, sizeof( ashort ));
1653 data += sizeof( ashort );
1656 case VOLPBIT_CDATE :
1657 aint = vol->v_ctime;
1658 memcpy(data, &aint, sizeof( aint ));
1659 data += sizeof( aint );
1662 case VOLPBIT_MDATE :
1663 if ( st->st_mtime > vol->v_mtime ) {
1664 vol->v_mtime = st->st_mtime;
1666 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1667 memcpy(data, &aint, sizeof( aint ));
1668 data += sizeof( aint );
1671 case VOLPBIT_BDATE :
1672 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1673 aint = AD_DATE_START;
1674 memcpy(data, &aint, sizeof( aint ));
1675 data += sizeof( aint );
1679 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1680 data += sizeof( vol->v_vid );
1683 case VOLPBIT_BFREE :
1684 bfree = htonl( bfree );
1685 memcpy(data, &bfree, sizeof( bfree ));
1686 data += sizeof( bfree );
1689 case VOLPBIT_BTOTAL :
1690 btotal = htonl( btotal );
1691 memcpy(data, &btotal, sizeof( btotal ));
1692 data += sizeof( btotal );
1695 #ifndef NO_LARGE_VOL_SUPPORT
1696 case VOLPBIT_XBFREE :
1697 xbfree = hton64( xbfree );
1698 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1699 bcopy(&xbfree, data, sizeof(xbfree));
1700 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1701 memcpy(data, &xbfree, sizeof( xbfree ));
1702 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1703 data += sizeof( xbfree );
1706 case VOLPBIT_XBTOTAL :
1707 xbtotal = hton64( xbtotal );
1708 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1709 bcopy(&xbtotal, data, sizeof(xbtotal));
1710 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1711 memcpy(data, &xbtotal, sizeof( xbtotal ));
1712 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1713 data += sizeof( xbfree );
1715 #endif /* ! NO_LARGE_VOL_SUPPORT */
1719 data += sizeof( u_int16_t );
1722 case VOLPBIT_BSIZE: /* block size */
1723 bsize = htonl(bsize);
1724 memcpy(data, &bsize, sizeof(bsize));
1725 data += sizeof(bsize);
1730 ad_close( &ad, ADFLAGS_HF );
1732 return( AFPERR_BITMAP );
1738 ashort = htons( data - buf );
1739 memcpy(nameoff, &ashort, sizeof( ashort ));
1740 /* name is always in mac charset */
1741 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1751 ad_close_metadata( &ad);
1753 *buflen = data - buf;
1757 /* ------------------------- */
1758 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1764 if ( stat( vol->v_path, &st ) < 0 ) {
1766 return( AFPERR_PARAM );
1768 /* save the volume device number */
1769 vol->v_dev = st.st_dev;
1771 buflen = *rbuflen - sizeof( bitmap );
1772 if (( ret = getvolparams( bitmap, vol, &st,
1773 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1777 *rbuflen = buflen + sizeof( bitmap );
1778 bitmap = htons( bitmap );
1779 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1784 /* ------------------------------- */
1785 void load_volumes(AFPObj *obj)
1787 struct passwd *pwent;
1792 /* check files date */
1793 if (obj->options.defaultvol.loaded) {
1794 changed = volfile_changed(&obj->options.defaultvol);
1796 if (obj->options.systemvol.loaded) {
1797 changed |= volfile_changed(&obj->options.systemvol);
1799 if (obj->options.uservol.loaded) {
1800 changed |= volfile_changed(&obj->options.uservol);
1809 if (parent_or_child == 0) {
1810 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1812 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1815 pwent = getpwnam(obj->username);
1816 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1817 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1820 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1821 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1824 * Read user's AppleVolumes or .AppleVolumes file
1825 * If neither are readable, read the default volumes file. if
1826 * that doesn't work, create a user share.
1828 if (obj->options.uservol.name) {
1829 free(obj->options.uservol.name);
1831 obj->options.uservol.name = strdup(pwent->pw_dir);
1832 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1833 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1834 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1835 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1836 obj->options.defaultvol.name != NULL ) {
1837 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1838 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1841 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1842 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1845 if ( obj->options.closevol ) {
1848 for ( vol = Volumes; vol; vol = vol->v_next ) {
1849 if (vol->v_deleted && !vol->v_new ) {
1858 /* ------------------------------- */
1859 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1872 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1873 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1876 if ( stat( volume->v_path, &st ) < 0 ) {
1877 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1878 volume->v_path, strerror(errno) );
1879 continue; /* can't access directory */
1881 if (!S_ISDIR(st.st_mode)) {
1882 continue; /* not a dir */
1884 accessmode(volume->v_path, &ma, NULL, &st);
1885 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1886 continue; /* no r-x access */
1889 if (volume->v_hide) {
1890 continue; /* config file changed but the volume was mounted */
1893 if (utf8_encoding()) {
1894 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
1896 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
1899 if (len == (size_t)-1)
1902 /* set password bit if there's a volume password */
1903 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1905 /* Apple 2 clients running ProDOS-8 expect one volume to have
1906 bit 0 of this byte set. They will not recognize anything
1907 on the server unless this is the case. I have not
1908 completely worked this out, but it's related to booting
1909 from the server. Support for that function is a ways
1910 off.. <shirsch@ibm.net> */
1911 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1912 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1914 memcpy(data, namebuf, len );
1920 *rbuflen = data - rbuf;
1922 if ( gettimeofday( &tv, NULL ) < 0 ) {
1923 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1925 return AFPERR_PARAM;
1927 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1928 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1929 data += sizeof( u_int32_t);
1934 /* ------------------------- */
1935 static int volume_codepage(AFPObj *obj, struct vol *volume)
1937 struct charset_functions *charset;
1940 if (!volume->v_volcodepage)
1941 volume->v_volcodepage = strdup("UTF8");
1943 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1944 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1948 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
1949 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1952 if (!volume->v_maccodepage)
1953 volume->v_maccodepage = strdup(obj->options.maccodepage);
1955 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1956 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1960 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
1961 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1964 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
1968 /* ------------------------- */
1969 static int volume_openDB(struct vol *volume)
1973 if ((volume->v_flags & AFPVOL_NODEV)) {
1974 flags |= CNID_FLAG_NODEV;
1977 if (volume->v_cnidscheme == NULL) {
1978 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1979 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
1980 volume->v_path, volume->v_cnidscheme);
1983 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
1984 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1985 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1988 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
1990 /* Legacy pre 2.1 way of sharing eg CD-ROM */
1991 if (strcmp(volume->v_cnidscheme, "last") == 0) {
1992 /* "last" is gone. We support it by switching to in-memory "tdb" */
1993 volume->v_cnidscheme = strdup("tdb");
1994 flags |= CNID_FLAG_MEMORY;
1997 /* New way of sharing CD-ROM */
1998 if (volume->v_flags & AFPVOL_CDROM) {
1999 flags |= CNID_FLAG_MEMORY;
2000 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
2001 free(volume->v_cnidscheme);
2002 volume->v_cnidscheme = strdup("tdb");
2003 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
2004 volume->v_path, volume->v_cnidscheme);
2009 volume->v_cdb = cnid_open(volume->v_path,
2011 volume->v_cnidscheme,
2013 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2014 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2016 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
2017 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
2018 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
2019 volume->v_path, volume->v_cnidscheme);
2020 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
2022 flags |= CNID_FLAG_MEMORY;
2023 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
2025 /* kill ourself with SIGUSR2 aka msg pending */
2026 if (volume->v_cdb) {
2027 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
2028 "Check server messages for details!");
2029 kill(getpid(), SIGUSR2);
2030 /* deactivate cnid caching/storing in AppleDouble files */
2031 volume->v_flags &= ~AFPVOL_CACHE;
2036 return (!volume->v_cdb)?-1:0;
2040 Check if the underlying filesystem supports EAs for ea:sys volumes.
2041 If not, switch to ea:ad.
2042 As we can't check (requires write access) on ro-volumes, we switch ea:auto
2043 volumes that are options:ro to ea:none.
2045 static void check_ea_sys_support(struct vol *vol)
2047 uid_t process_uid = 0;
2048 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2049 const char *eacontent = "yes";
2051 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2053 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2054 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2055 vol->v_vfs_ea = AFPVOL_EA_NONE;
2061 process_uid = geteuid();
2063 if (seteuid(0) == -1) {
2064 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2068 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2069 sys_removexattr(vol->v_path, eaname);
2070 vol->v_vfs_ea = AFPVOL_EA_SYS;
2072 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2074 vol->v_vfs_ea = AFPVOL_EA_AD;
2078 if (seteuid(process_uid) == -1) {
2079 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2086 /* -------------------------
2087 * we are the user here
2089 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2100 char path[ MAXPATHLEN + 1];
2106 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2107 bitmap = ntohs( bitmap );
2108 ibuf += sizeof( bitmap );
2111 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2112 return AFPERR_BITMAP;
2115 len = (unsigned char)*ibuf++;
2116 volname = obj->oldtmp;
2118 if ((volname_tmp = strchr(volname,'+')) != NULL)
2119 volname = volname_tmp+1;
2121 if (utf8_encoding()) {
2122 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2124 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2127 if ( namelen <= 0) {
2128 return AFPERR_PARAM;
2132 if ((len + 1) & 1) /* pad to an even boundary */
2137 for ( volume = Volumes; volume; volume = volume->v_next ) {
2138 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2143 if ( volume == NULL ) {
2144 return AFPERR_PARAM;
2147 /* check for a volume password */
2148 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2149 return AFPERR_ACCESS;
2152 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2153 /* the volume is already open */
2155 set_uidgid ( volume );
2157 return stat_vol(bitmap, volume, rbuf, rbuflen);
2160 if (volume->v_root_preexec) {
2161 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2162 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2168 set_uidgid ( volume );
2171 if (volume->v_preexec) {
2172 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2173 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2178 if ( stat( volume->v_path, &st ) < 0 ) {
2179 return AFPERR_PARAM;
2182 if ( chdir( volume->v_path ) < 0 ) {
2183 return AFPERR_PARAM;
2186 if ( NULL == getcwd(path, MAXPATHLEN)) {
2187 /* shouldn't be fatal but it will fail later */
2188 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2192 /* Normalize volume path */
2193 #ifdef REALPATH_TAKES_NULL
2194 if ((volume->v_path = realpath(path, NULL)) == NULL)
2197 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2199 if (realpath(path, volume->v_path) == NULL) {
2200 free(volume->v_path);
2203 /* Safe some memory */
2205 if ((tmp = strdup(volume->v_path)) == NULL) {
2206 free(volume->v_path);
2209 free(volume->v_path);
2210 volume->v_path = tmp;
2213 if (volume_codepage(obj, volume) < 0) {
2218 /* initialize volume variables
2221 if (utf8_encoding()) {
2222 volume->max_filename = UTF8FILELEN_EARLY;
2225 volume->max_filename = MACFILELEN;
2228 volume->v_flags |= AFPVOL_OPEN;
2229 volume->v_cdb = NULL;
2231 if (utf8_encoding()) {
2232 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2234 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2236 if ( !vol_mname || len <= 0) {
2241 if ((vol_uname = strrchr(path, '/')) == NULL)
2243 else if (*(vol_uname + 1) != '\0')
2246 if ((dir = dir_new(vol_mname,
2251 bfromcstr(volume->v_path),
2255 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2260 volume->v_root = dir;
2263 if (volume_openDB(volume) < 0) {
2264 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2265 volume->v_path, volume->v_cnidscheme);
2270 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2271 if (ret == AFP_OK) {
2273 if (!(volume->v_flags & AFPVOL_RO)) {
2274 handle_special_folders( volume );
2276 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2277 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2281 * If you mount a volume twice, the second time the trash appears on
2282 * the desk-top. That's because the Mac remembers the DID for the
2283 * trash (even for volumes in different zones, on different servers).
2284 * Just so this works better, we prime the DID cache with the trash,
2285 * fixing the trash at DID 17.
2286 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2288 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2290 /* FIXME find db time stamp */
2291 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2292 LOG (log_error, logtype_afpd,
2293 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2301 cname( volume, volume->v_root, &p );
2307 if (volume->v_root) {
2308 dir_free( volume->v_root );
2309 volume->v_root = NULL;
2312 volume->v_flags &= ~AFPVOL_OPEN;
2313 if (volume->v_cdb != NULL) {
2314 cnid_close(volume->v_cdb);
2315 volume->v_cdb = NULL;
2321 /* ------------------------- */
2322 static void closevol(struct vol *vol)
2327 dir_free( vol->v_root );
2329 if (vol->v_cdb != NULL) {
2330 cnid_close(vol->v_cdb);
2334 if (vol->v_postexec) {
2335 afprun(0, vol->v_postexec, NULL);
2337 if (vol->v_root_postexec) {
2338 afprun(1, vol->v_root_postexec, NULL);
2342 /* ------------------------- */
2343 void close_all_vol(void)
2347 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2348 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2349 ovol->v_flags &= ~AFPVOL_OPEN;
2355 /* ------------------------- */
2356 static void deletevol(struct vol *vol)
2360 vol->v_flags &= ~AFPVOL_OPEN;
2361 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2362 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2366 if ( ovol != NULL ) {
2367 /* Even if chdir fails, we can't say afp_closevol fails. */
2368 if ( chdir( ovol->v_path ) == 0 ) {
2369 curdir = ovol->v_root;
2374 if (vol->v_deleted) {
2375 showvol(vol->v_name);
2382 /* ------------------------- */
2383 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2390 memcpy(&vid, ibuf, sizeof( vid ));
2391 if (NULL == ( vol = getvolbyvid( vid )) ) {
2392 return( AFPERR_PARAM );
2401 /* ------------------------- */
2402 struct vol *getvolbyvid(const u_int16_t vid )
2406 for ( vol = Volumes; vol; vol = vol->v_next ) {
2407 if ( vid == vol->v_vid ) {
2411 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2417 #endif /* FORCE_UIDGID */
2424 /* ------------------------ */
2425 static int ext_cmp_key(const void *key, const void *obj)
2427 const char *p = key;
2428 const struct extmap *em = obj;
2429 return strdiacasecmp(p, em->em_ext);
2431 struct extmap *getextmap(const char *path)
2436 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2437 return( Defextmap );
2441 return( Defextmap );
2443 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2447 return( Defextmap );
2451 /* ------------------------- */
2452 struct extmap *getdefextmap(void)
2454 return( Defextmap );
2457 /* --------------------------
2458 poll if a volume is changed by other processes.
2460 0 no attention msg sent
2461 1 attention msg sent
2462 -1 error (socket closed)
2464 Note: if attention return -1 no packet has been
2465 sent because the buffer is full, we don't care
2466 either there's no reader or there's a lot of
2467 traffic and another pollvoltime will follow
2469 int pollvoltime(AFPObj *obj)
2476 if (!(afp_version > 21 && obj->options.server_notif))
2479 if ( gettimeofday( &tv, NULL ) < 0 )
2482 for ( vol = Volumes; vol; vol = vol->v_next ) {
2483 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2484 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2485 vol->v_mtime = st.st_mtime;
2486 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2495 /* ------------------------- */
2496 void setvoltime(AFPObj *obj, struct vol *vol)
2500 if ( gettimeofday( &tv, NULL ) < 0 ) {
2501 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2504 if( utime( vol->v_path, NULL ) < 0 ) {
2505 /* write of time failed ... probably a read only filesys,
2506 * where no other users can interfere, so there's no issue here
2510 /* a little granularity */
2511 if (vol->v_mtime < tv.tv_sec) {
2512 vol->v_mtime = tv.tv_sec;
2513 /* or finder doesn't update free space
2514 * AFP 3.2 and above clients seem to be ok without so many notification
2516 if (afp_version < 32 && obj->options.server_notif) {
2517 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2522 /* ------------------------- */
2523 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2526 u_int16_t vid, bitmap;
2529 memcpy(&vid, ibuf, sizeof( vid ));
2530 ibuf += sizeof( vid );
2531 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2532 bitmap = ntohs( bitmap );
2534 if (NULL == ( vol = getvolbyvid( vid )) ) {
2536 return( AFPERR_PARAM );
2539 return stat_vol(bitmap, vol, rbuf, rbuflen);
2542 /* ------------------------- */
2543 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2547 u_int16_t vid, bitmap;
2553 memcpy(&vid, ibuf, sizeof( vid ));
2554 ibuf += sizeof( vid );
2555 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2556 bitmap = ntohs( bitmap );
2557 ibuf += sizeof(bitmap);
2559 if (( vol = getvolbyvid( vid )) == NULL ) {
2560 return( AFPERR_PARAM );
2563 if ((vol->v_flags & AFPVOL_RO))
2564 return AFPERR_VLOCK;
2566 /* we can only set the backup date. */
2567 if (bitmap != (1 << VOLPBIT_BDATE))
2568 return AFPERR_BITMAP;
2570 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2571 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2574 return AFPERR_VLOCK;
2576 return AFPERR_ACCESS;
2579 memcpy(&aint, ibuf, sizeof(aint));
2580 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2582 ad_close(&ad, ADFLAGS_HF);
2586 /* ------------------------- */
2587 int wincheck(const struct vol *vol, const char *path)
2591 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2594 /* empty paths are not allowed */
2595 if ((len = strlen(path)) == 0)
2598 /* leading or trailing whitespaces are not allowed, carriage returns
2599 * and probably other whitespace is okay, tabs are not allowed
2601 if ((path[0] == ' ') || (path[len-1] == ' '))
2604 /* certain characters are not allowed */
2605 if (strpbrk(path, MSWINDOWS_BADCHARS))
2608 /* everything else is okay */
2614 * precreate a folder
2615 * this is only intended for folders in the volume root
2616 * It will *not* work if the folder name contains extended characters
2618 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2627 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2629 LOG(log_error, logtype_afpd,"malloc failed");
2633 q=strdup(folder->name);
2635 LOG(log_error, logtype_afpd,"malloc failed");
2639 strcpy(p, vol->v_path);
2644 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2646 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2652 if ( (ret = stat( p, &st )) < 0 ) {
2653 if (folder->precreate) {
2654 if (ad_mkdir(p, folder->mode)) {
2655 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2664 if ( !ret && folder->hide) {
2666 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2667 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2673 ad_setname(&ad, folder->name);
2675 ad_getattr(&ad, &attr);
2676 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2677 ad_setattr(&ad, attr);
2679 /* do the same with the finder info */
2680 if (ad_entry(&ad, ADEID_FINDERI)) {
2681 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2682 attr |= htons(FINDERINFO_INVISIBLE);
2683 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2687 ad_close_metadata( &ad);
2694 static void handle_special_folders (const struct vol * vol)
2696 const _special_folder *p = &special_folders[0];
2698 if ((vol->v_flags & AFPVOL_RO))
2701 for (; p->name != NULL; p++) {
2702 create_special_folder (vol, p);
2706 const struct vol *getvolumes(void)
2711 void unload_volumes_and_extmap(void)
2713 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2719 * Get a volumes UUID from the config file.
2720 * If there is none, it is generated and stored there.
2722 * Returns pointer to allocated storage on success, NULL on error.
2724 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2727 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2729 struct stat tmpstat;
2732 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2733 /* scan in the conf file */
2734 while (fgets(buf, sizeof(buf), fp) != NULL) {
2736 while (p && isblank(*p))
2738 if (!p || (*p == '#') || (*p == '\n'))
2739 continue; /* invalid line */
2742 if ((volname_conf = strtok( p, "\"" )) == NULL)
2743 continue; /* syntax error */
2745 if ((volname_conf = strtok( p, " \t" )) == NULL)
2746 continue; /* syntax error: invalid name */
2748 p = strchr(p, '\0');
2751 continue; /* syntax error */
2753 if (strcmp(volname, volname_conf) != 0)
2754 continue; /* another volume name */
2756 while (p && isblank(*p))
2759 if (sscanf(p, "%36s", uuid) == 1 ) {
2760 for (int i=0; uuid[i]; i++)
2761 uuid[i] = toupper(uuid[i]);
2762 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2764 return strdup(uuid);
2772 /* not found or no file, reopen in append mode */
2774 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2775 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2776 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2777 obj->options.uuidconf, strerror(errno));
2780 if (( fp = fdopen( fd, "w" )) == NULL ) {
2781 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2782 obj->options.uuidconf, strerror(errno));
2786 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2787 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2788 obj->options.uuidconf, strerror(errno));
2791 fseek(fp, 0L, SEEK_END);
2792 if(ftell(fp) == 0) { /* size = 0 */
2793 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2794 fprintf(fp, "# This file is auto-generated by afpd\n");
2795 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2797 fseek(fp, -1L, SEEK_END);
2798 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2801 /* generate uuid and write to file */
2804 randombytes((void *)id, 16);
2805 cp = uuid_bin2string(id);
2807 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2809 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);