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, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_MACNAMELEN - suffixlen, &flags);
678 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
680 strcat(tmpname, suffix);
681 tmpvlen = strlen(tmpname);
684 /* Secondly convert name from maccharset to UCS2 */
685 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset, CH_UCS2, tmpname, tmpvlen, mactmpname, AFPVOL_U8MNAMELEN*2)) )
688 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
690 /* check duplicate */
691 for ( volume = Volumes; volume; volume = volume->v_next ) {
692 if (( strcasecmp_w( volume->v_u8mname, u8mtmpname ) == 0 ) || ( strcasecmp_w( volume->v_macname, mactmpname ) == 0 )){
693 if (volume->v_deleted) {
694 volume->v_new = hide = 1;
697 return -1; /* Won't be able to access it, anyway... */
702 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
703 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
706 if ( NULL == ( volume->v_localname = strdup(name))) {
707 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
712 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
713 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
718 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
719 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
724 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
725 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
731 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
732 volume->v_hide = hide;
733 strcpy( volume->v_path, path );
737 #endif /* __svr4__ */
738 /* os X start at 1 and use network order ie. 1 2 3 */
739 volume->v_vid = ++lastvid;
740 volume->v_vid = htons(volume->v_vid);
742 if (check_vol_acl_support(volume))
743 volume->v_flags |= AFPVOL_ACLS
749 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
750 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
752 if (options[VOLOPT_EA_VFS].i_value)
753 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
755 volume->v_ad_options = 0;
756 if ((volume->v_flags & AFPVOL_NODEV))
757 volume->v_ad_options |= ADVOL_NODEV;
758 if ((volume->v_flags & AFPVOL_CACHE))
759 volume->v_ad_options |= ADVOL_CACHE;
760 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
761 volume->v_ad_options |= ADVOL_UNIXPRIV;
762 if ((volume->v_flags & AFPVOL_INV_DOTS))
763 volume->v_ad_options |= ADVOL_INVDOTS;
764 if ((volume->v_flags & AFPVOL_NOADOUBLE))
765 volume->v_ad_options |= ADVOL_NOADOUBLE;
767 if (options[VOLOPT_PASSWORD].c_value)
768 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
770 if (options[VOLOPT_VETO].c_value)
771 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
773 if (options[VOLOPT_ENCODING].c_value)
774 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
776 if (options[VOLOPT_MACCHARSET].c_value)
777 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
779 if (options[VOLOPT_DBPATH].c_value)
780 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
782 if (options[VOLOPT_CNIDSCHEME].c_value)
783 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
785 if (options[VOLOPT_CNIDSERVER].c_value)
786 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
788 if (options[VOLOPT_CNIDPORT].c_value)
789 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
791 if (options[VOLOPT_UMASK].i_value)
792 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
794 if (options[VOLOPT_DPERM].i_value)
795 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
797 if (options[VOLOPT_FPERM].i_value)
798 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
800 if (options[VOLOPT_DFLTPERM].i_value)
801 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
803 if (options[VOLOPT_ADOUBLE].i_value)
804 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
806 volume->v_adouble = AD_VERSION;
808 if (options[VOLOPT_LIMITSIZE].i_value)
809 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
811 /* Mac to Unix conversion flags*/
812 volume->v_mtou_flags = 0;
813 if (!(volume->v_flags & AFPVOL_NOHEX))
814 volume->v_mtou_flags |= CONV_ESCAPEHEX;
815 if (!(volume->v_flags & AFPVOL_USEDOTS))
816 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
817 if ((volume->v_flags & AFPVOL_EILSEQ))
818 volume->v_mtou_flags |= CONV__EILSEQ;
820 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
821 volume->v_mtou_flags |= CONV_TOUPPER;
822 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
823 volume->v_mtou_flags |= CONV_TOLOWER;
825 /* Unix to Mac conversion flags*/
826 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
827 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
828 volume->v_utom_flags |= CONV_TOUPPER;
829 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
830 volume->v_utom_flags |= CONV_TOLOWER;
832 if ((volume->v_flags & AFPVOL_EILSEQ))
833 volume->v_utom_flags |= CONV__EILSEQ;
836 if (options[VOLOPT_FORCEUID].c_value) {
837 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
839 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
842 if (options[VOLOPT_FORCEGID].c_value) {
843 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
845 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
849 if (options[VOLOPT_PREEXEC].c_value)
850 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
851 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
853 if (options[VOLOPT_POSTEXEC].c_value)
854 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
856 if (options[VOLOPT_ROOTPREEXEC].c_value)
857 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
858 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
860 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
861 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
864 volume->v_dperm |= volume->v_perm;
865 volume->v_fperm |= volume->v_perm;
867 /* Check EA support on volume */
868 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
869 check_ea_sys_support(volume);
872 /* get/store uuid from file */
873 if (volume->v_flags & AFPVOL_TM) {
874 char *uuid = get_vol_uuid(obj, volume->v_localname);
876 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
877 volume->v_localname);
879 volume->v_uuid = uuid;
880 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
881 volume->v_localname, volume->v_uuid);
885 volume->v_next = Volumes;
890 /* ---------------- */
891 static char *myfgets( char *buf, int size, FILE *fp)
897 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
898 if ( c == '\n' || c == '\r' ) {
899 if (p != buf && *(p -1) == '\\') {
921 /* check access list. this function wants something of the following
923 * @group,name,name2,@group2,name3
925 * a NULL argument allows everybody to have access.
926 * we return three things:
928 * 0: list exists, but name isn't in it
932 #ifndef NO_REAL_USER_NAME
933 /* authentication is case insensitive
934 * FIXME should we do the same with group name?
936 #define access_strcmp strcasecmp
939 #define access_strcmp strcmp
943 static int accessvol(const char *args, const char *name)
945 char buf[MAXPATHLEN + 1], *p;
951 strlcpy(buf, args, sizeof(buf));
952 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
956 if (*p == '@') { /* it's a group */
957 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
959 } else if (access_strcmp(p, name) == 0) /* it's a user name */
961 p = strtok(NULL, ",");
967 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
970 char buf[MAXPATHLEN + 1], *p, *b;
971 DSI *dsi = obj->handle;
972 struct sockaddr_storage client;
977 strlcpy(buf, args, sizeof(buf));
978 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
981 if (obj->proto != AFPPROTO_DSI)
986 char *ipaddr, *mask_char;
987 struct addrinfo hints, *ai;
989 ipaddr = strtok(p, "/");
990 mask_char = strtok(NULL,"/");
992 /* Get address from string with getaddrinfo */
993 memset(&hints, 0, sizeof hints);
994 hints.ai_family = AF_UNSPEC;
995 hints.ai_socktype = SOCK_STREAM;
996 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
997 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
1002 if (mask_char != NULL)
1003 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
1005 if (ai->ai_family == AF_INET) /* IPv4 */
1011 /* Apply mask to addresses */
1012 client = dsi->client;
1013 apply_ip_mask((struct sockaddr *)&client, mask_int);
1014 apply_ip_mask(ai->ai_addr, mask_int);
1016 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
1017 if (type == VOLOPT_DENIED_HOSTS)
1018 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
1019 getip_string((struct sockaddr *)&client), volname);
1026 p = strtok_r(NULL, ",", &b);
1029 if (type == VOLOPT_ALLOWED_HOSTS)
1030 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
1031 getip_string((struct sockaddr *)&dsi->client), volname);
1035 static void setextmap(char *ext, char *type, char *creator, int user)
1040 if (Extmap == NULL) {
1041 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
1042 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
1047 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
1048 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
1053 if ( em->em_ext == NULL ) {
1054 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
1055 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
1058 (Extmap +cnt +1)->em_ext = NULL;
1060 } else if ( !user ) {
1066 if (!(em->em_ext = strdup( ext))) {
1067 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1071 if ( *type == '\0' ) {
1072 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1074 memcpy(em->em_type, type, sizeof( em->em_type ));
1076 if ( *creator == '\0' ) {
1077 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1079 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1083 /* -------------------------- */
1084 static int extmap_cmp(const void *map1, const void *map2)
1086 const struct extmap *em1 = map1;
1087 const struct extmap *em2 = map2;
1088 return strdiacasecmp(em1->em_ext, em2->em_ext);
1091 static void sortextmap( void)
1096 if ((em = Extmap) == NULL) {
1099 while (em->em_ext) {
1104 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1105 if (*Extmap->em_ext == 0) {
1106 /* the first line is really "." the default entry,
1107 * we remove the leading '.' in setextmap
1114 /* ----------------------
1116 static void free_extmap( void)
1121 for ( em = Extmap; em->em_ext; em++) {
1131 /* ----------------------
1133 static int volfile_changed(struct afp_volume_name *p)
1139 name = p->full_name;
1143 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1144 p->mtime = st.st_mtime;
1150 /* ----------------------
1151 * Read a volume configuration file and add the volumes contained within to
1152 * the global volume list. This gets called from the forked afpd childs.
1153 * The master now reads this too for Zeroconf announcements.
1155 * If p2 is non-NULL, the file that is opened is
1158 * Lines that begin with # and blank lines are ignored.
1159 * Volume lines are of the form:
1160 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1161 * [codepage:<file>] [casefold:<num>]
1162 * <extension> TYPE [CREATOR]
1165 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1168 char path[MAXPATHLEN + 1];
1169 char tmp[MAXPATHLEN + 1];
1170 char volname[AFPVOL_U8MNAMELEN + 1];
1172 char type[5], creator[5];
1177 struct vol_option save_options[VOLOPT_NUM];
1178 struct vol_option options[VOLOPT_NUM];
1184 strcpy( path, p1->name );
1186 strcat( path, "/" );
1188 if (p1->full_name) {
1189 free(p1->full_name);
1191 p1->full_name = strdup(path);
1194 if (NULL == ( fp = fopen( path, "r" )) ) {
1198 if (fd != -1 && !fstat( fd, &st) ) {
1199 p1->mtime = st.st_mtime;
1202 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1203 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1204 if ( fclose( fp ) != 0 ) {
1205 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1210 memset(save_options, 0, sizeof(save_options));
1212 /* Enable some default options for all volumes */
1213 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1214 save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1215 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1216 obj->options.umask);
1217 save_options[VOLOPT_UMASK].i_value = obj->options.umask;
1219 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1221 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1222 initline( strlen( buf ), buf );
1223 parseline( sizeof( path ) - 1, path );
1230 /* change the default options for this file */
1231 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1233 for (i = 0; i < VOLOPT_NUM; i++) {
1234 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1235 path + VOLOPT_DEFAULT_LEN) < 0)
1237 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1238 path + VOLOPT_DEFAULT_LEN);
1244 if (( p = strchr( path, '/' )) != NULL ) {
1252 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1255 strcpy( tmp, pw->pw_dir );
1256 if ( p != NULL && *p != '\0' ) {
1263 /* send path through variable substitution */
1264 if (*path != '~') /* need to copy path to tmp */
1266 if (!pwent && obj->username)
1267 pwent = getpwnam(obj->username);
1269 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1272 /* this is sort of braindead. basically, i want to be
1273 * able to specify things in any order, but i don't want to
1274 * re-write everything. */
1276 memcpy(options, save_options, sizeof(options));
1279 /* read in up to VOLOP_NUM possible options */
1280 for (i = 0; i < VOLOPT_NUM; i++) {
1281 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1284 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1287 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1288 allow -> either no list (-1), or in list (1)
1289 deny -> either no list (-1), or not in list (0) */
1290 if (parent_or_child == 0
1292 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1293 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1294 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1295 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1297 /* handle read-only behaviour. semantics:
1298 * 1) neither the rolist nor the rwlist exist -> rw
1299 * 2) rolist exists -> ro if user is in it.
1300 * 3) rwlist exists -> ro unless user is in it. */
1301 if (parent_or_child == 1
1303 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1305 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1306 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1307 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1309 /* do variable substitution for volname */
1310 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1313 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1315 volfree(options, save_options);
1319 parseline( sizeof( type ) - 1, type );
1320 parseline( sizeof( creator ) - 1, creator );
1321 setextmap( path, type, creator, user);
1328 volfree(save_options, NULL);
1330 if ( fclose( fp ) != 0 ) {
1331 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1337 /* ------------------------------- */
1338 static void volume_free(struct vol *vol)
1340 free(vol->v_localname);
1341 vol->v_localname = NULL;
1342 free(vol->v_u8mname);
1343 vol->v_u8mname = NULL;
1344 free(vol->v_macname);
1345 vol->v_macname = NULL;
1347 free(vol->v_password);
1349 free(vol->v_volcodepage);
1350 free(vol->v_maccodepage);
1351 free(vol->v_cnidscheme);
1352 free(vol->v_dbpath);
1355 free(vol->v_forceuid);
1356 free(vol->v_forcegid);
1357 #endif /* FORCE_UIDGID */
1362 /* ------------------------------- */
1363 static void free_volumes(void )
1366 struct vol *nvol, *ovol;
1368 for ( vol = Volumes; vol; vol = vol->v_next ) {
1369 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1376 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1379 if (vol->v_localname == NULL) {
1380 if (Volumes == vol) {
1385 ovol->v_next = nvol;
1395 /* ------------------------------- */
1396 static void volume_unlink(struct vol *volume)
1398 struct vol *vol, *ovol, *nvol;
1400 if (volume == Volumes) {
1401 Volumes = Volumes->v_next;
1404 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1407 if (vol == volume) {
1408 ovol->v_next = nvol;
1417 static int getvolspace(struct vol *vol,
1418 u_int32_t *bfree, u_int32_t *btotal,
1419 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1423 #ifndef NO_QUOTA_SUPPORT
1424 VolSpace qfree, qtotal;
1427 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1428 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1429 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1430 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1431 ? 0x7fffffffL : 0xffffffffL);
1434 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1435 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1436 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1437 goto getvolspace_done;
1442 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1446 #define min(a,b) ((a)<(b)?(a):(b))
1447 #ifndef NO_QUOTA_SUPPORT
1448 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1449 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1450 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1451 *xbfree = min(*xbfree, qfree);
1452 *xbtotal = min( *xbtotal, qtotal);
1453 goto getvolspace_done;
1457 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1460 if (vol->v_limitsize) {
1462 if ((cmdstr = bformat("du -sh \"%s\" 2> /dev/null | cut -f1", vol->v_path)) == NULL)
1465 FILE *cmd = popen(cfrombstr(cmdstr), "r");
1471 fgets(buf, 100, cmd);
1473 if (pclose(cmd) == -1)
1477 if (buf[strlen(buf) - 2] == 'G' || buf[strlen(buf) - 2] == 'g')
1479 multi = 1024 * 1024 * 1024;
1480 else if (buf[strlen(buf) - 2] == 'M' || buf[strlen(buf) - 2] == 'm')
1482 multi = 1024 * 1024;
1483 else if (buf[strlen(buf) - 2] == 'K' || buf[strlen(buf) - 2] == 'k')
1488 if (p = strchr(buf, ','))
1489 /* ignore fraction */
1492 /* remove G|M|K char */
1493 buf[strlen(buf) - 2] = 0;
1494 /* now buf contains only digits */
1495 long long used = atoll(buf) * multi;
1496 LOG(log_debug, logtype_afpd, "volparams: used on volume: %llu bytes", used);
1498 *xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1499 *xbfree = min(*xbfree, *xbtotal < used ? 0 : *xbtotal - used);
1502 *bfree = min( *xbfree, maxsize);
1503 *btotal = min( *xbtotal, maxsize);
1507 /* -----------------------
1508 * set volume creation date
1509 * avoid duplicate, well at least it tries
1511 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1514 struct vol *vol = Volumes;
1516 for ( volume = Volumes; volume; volume = volume->v_next ) {
1517 if (volume->v_vid == id) {
1520 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1522 volume = Volumes; /* restart */
1525 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1526 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1529 /* ----------------------- */
1530 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1533 int bit = 0, isad = 1;
1536 u_int32_t bfree, btotal, bsize;
1537 VolSpace xbfree, xbtotal; /* extended bytes */
1538 char *data, *nameoff = NULL;
1541 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1543 /* courtesy of jallison@whistle.com:
1544 * For MacOS8.x support we need to create the
1545 * .Parent file here if it doesn't exist. */
1547 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1548 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1550 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1552 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1553 slash = strrchr( vol->v_path, '/' );
1557 slash = vol->v_path;
1558 if (ad_getentryoff(&ad, ADEID_NAME)) {
1559 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1560 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1561 ad_getentrylen( &ad, ADEID_NAME ));
1563 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1567 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1568 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1570 vol->v_ctime = aint;
1573 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1574 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1575 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1576 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1577 &bsize) != AFP_OK ) {
1579 ad_close( &ad, ADFLAGS_HF );
1581 return( AFPERR_PARAM );
1586 while ( bitmap != 0 ) {
1587 while (( bitmap & 1 ) == 0 ) {
1595 /* check for read-only.
1596 * NOTE: we don't actually set the read-only flag unless
1597 * it's passed in that way as it's possible to mount
1598 * a read-write filesystem under a read-only one. */
1599 if ((vol->v_flags & AFPVOL_RO) ||
1600 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1601 ashort |= VOLPBIT_ATTR_RO;
1603 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1604 if (afp_version > 20) {
1605 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1606 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1607 ashort |= VOLPBIT_ATTR_FILEID;
1609 ashort |= VOLPBIT_ATTR_CATSEARCH;
1611 if (afp_version >= 30) {
1612 ashort |= VOLPBIT_ATTR_UTF8;
1613 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1614 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1615 if (vol->v_flags & AFPVOL_TM)
1616 ashort |= VOLPBIT_ATTR_TM;
1618 if (afp_version >= 32) {
1620 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1621 if (vol->v_flags & AFPVOL_ACLS)
1622 ashort |= VOLPBIT_ATTR_ACLS;
1626 ashort = htons(ashort);
1627 memcpy(data, &ashort, sizeof( ashort ));
1628 data += sizeof( ashort );
1632 ashort = htons( AFPVOLSIG_DEFAULT );
1633 memcpy(data, &ashort, sizeof( ashort ));
1634 data += sizeof( ashort );
1637 case VOLPBIT_CDATE :
1638 aint = vol->v_ctime;
1639 memcpy(data, &aint, sizeof( aint ));
1640 data += sizeof( aint );
1643 case VOLPBIT_MDATE :
1644 if ( st->st_mtime > vol->v_mtime ) {
1645 vol->v_mtime = st->st_mtime;
1647 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1648 memcpy(data, &aint, sizeof( aint ));
1649 data += sizeof( aint );
1652 case VOLPBIT_BDATE :
1653 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1654 aint = AD_DATE_START;
1655 memcpy(data, &aint, sizeof( aint ));
1656 data += sizeof( aint );
1660 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1661 data += sizeof( vol->v_vid );
1664 case VOLPBIT_BFREE :
1665 bfree = htonl( bfree );
1666 memcpy(data, &bfree, sizeof( bfree ));
1667 data += sizeof( bfree );
1670 case VOLPBIT_BTOTAL :
1671 btotal = htonl( btotal );
1672 memcpy(data, &btotal, sizeof( btotal ));
1673 data += sizeof( btotal );
1676 #ifndef NO_LARGE_VOL_SUPPORT
1677 case VOLPBIT_XBFREE :
1678 xbfree = hton64( xbfree );
1679 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1680 bcopy(&xbfree, data, sizeof(xbfree));
1681 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1682 memcpy(data, &xbfree, sizeof( xbfree ));
1683 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1684 data += sizeof( xbfree );
1687 case VOLPBIT_XBTOTAL :
1688 xbtotal = hton64( xbtotal );
1689 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1690 bcopy(&xbtotal, data, sizeof(xbtotal));
1691 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1692 memcpy(data, &xbtotal, sizeof( xbtotal ));
1693 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1694 data += sizeof( xbfree );
1696 #endif /* ! NO_LARGE_VOL_SUPPORT */
1700 data += sizeof( u_int16_t );
1703 case VOLPBIT_BSIZE: /* block size */
1704 bsize = htonl(bsize);
1705 memcpy(data, &bsize, sizeof(bsize));
1706 data += sizeof(bsize);
1711 ad_close( &ad, ADFLAGS_HF );
1713 return( AFPERR_BITMAP );
1719 ashort = htons( data - buf );
1720 memcpy(nameoff, &ashort, sizeof( ashort ));
1721 /* name is always in mac charset */
1722 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1732 ad_close_metadata( &ad);
1734 *buflen = data - buf;
1738 /* ------------------------- */
1739 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1745 if ( stat( vol->v_path, &st ) < 0 ) {
1747 return( AFPERR_PARAM );
1749 /* save the volume device number */
1750 vol->v_dev = st.st_dev;
1752 buflen = *rbuflen - sizeof( bitmap );
1753 if (( ret = getvolparams( bitmap, vol, &st,
1754 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1758 *rbuflen = buflen + sizeof( bitmap );
1759 bitmap = htons( bitmap );
1760 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1765 /* ------------------------------- */
1766 void load_volumes(AFPObj *obj)
1768 struct passwd *pwent;
1773 /* check files date */
1774 if (obj->options.defaultvol.loaded) {
1775 changed = volfile_changed(&obj->options.defaultvol);
1777 if (obj->options.systemvol.loaded) {
1778 changed |= volfile_changed(&obj->options.systemvol);
1780 if (obj->options.uservol.loaded) {
1781 changed |= volfile_changed(&obj->options.uservol);
1790 if (parent_or_child == 0) {
1791 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1793 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1796 pwent = getpwnam(obj->username);
1797 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1798 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1801 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1802 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1805 * Read user's AppleVolumes or .AppleVolumes file
1806 * If neither are readable, read the default volumes file. if
1807 * that doesn't work, create a user share.
1809 if (obj->options.uservol.name) {
1810 free(obj->options.uservol.name);
1812 obj->options.uservol.name = strdup(pwent->pw_dir);
1813 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1814 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1815 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1816 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1817 obj->options.defaultvol.name != NULL ) {
1818 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1819 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1822 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1823 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1826 if ( obj->options.closevol ) {
1829 for ( vol = Volumes; vol; vol = vol->v_next ) {
1830 if (vol->v_deleted && !vol->v_new ) {
1839 /* ------------------------------- */
1840 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1853 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1854 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1857 if ( stat( volume->v_path, &st ) < 0 ) {
1858 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1859 volume->v_path, strerror(errno) );
1860 continue; /* can't access directory */
1862 if (!S_ISDIR(st.st_mode)) {
1863 continue; /* not a dir */
1865 accessmode(volume->v_path, &ma, NULL, &st);
1866 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1867 continue; /* no r-x access */
1870 if (volume->v_hide) {
1871 continue; /* config file changed but the volume was mounted */
1874 if (utf8_encoding()) {
1875 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
1877 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
1880 if (len == (size_t)-1)
1883 /* set password bit if there's a volume password */
1884 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1886 /* Apple 2 clients running ProDOS-8 expect one volume to have
1887 bit 0 of this byte set. They will not recognize anything
1888 on the server unless this is the case. I have not
1889 completely worked this out, but it's related to booting
1890 from the server. Support for that function is a ways
1891 off.. <shirsch@ibm.net> */
1892 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1893 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1895 memcpy(data, namebuf, len );
1901 *rbuflen = data - rbuf;
1903 if ( gettimeofday( &tv, NULL ) < 0 ) {
1904 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1906 return AFPERR_PARAM;
1908 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1909 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1910 data += sizeof( u_int32_t);
1915 /* ------------------------- */
1916 static int volume_codepage(AFPObj *obj, struct vol *volume)
1918 struct charset_functions *charset;
1921 if (!volume->v_volcodepage)
1922 volume->v_volcodepage = strdup("UTF8");
1924 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1925 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1929 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
1930 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1933 if (!volume->v_maccodepage)
1934 volume->v_maccodepage = strdup(obj->options.maccodepage);
1936 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1937 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1941 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
1942 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1945 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
1949 /* ------------------------- */
1950 static int volume_openDB(struct vol *volume)
1954 if ((volume->v_flags & AFPVOL_NODEV)) {
1955 flags |= CNID_FLAG_NODEV;
1958 if (volume->v_cnidscheme == NULL) {
1959 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1960 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
1961 volume->v_path, volume->v_cnidscheme);
1964 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
1965 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1966 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1969 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
1971 /* Legacy pre 2.1 way of sharing eg CD-ROM */
1972 if (strcmp(volume->v_cnidscheme, "last") == 0) {
1973 /* "last" is gone. We support it by switching to in-memory "tdb" */
1974 volume->v_cnidscheme = strdup("tdb");
1975 flags |= CNID_FLAG_MEMORY;
1978 /* New way of sharing CD-ROM */
1979 if (volume->v_flags & AFPVOL_CDROM) {
1980 flags |= CNID_FLAG_MEMORY;
1981 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
1982 free(volume->v_cnidscheme);
1983 volume->v_cnidscheme = strdup("tdb");
1984 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
1985 volume->v_path, volume->v_cnidscheme);
1990 volume->v_cdb = cnid_open(volume->v_path,
1992 volume->v_cnidscheme,
1994 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1995 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1997 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
1998 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
1999 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
2000 volume->v_path, volume->v_cnidscheme);
2001 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
2003 flags |= CNID_FLAG_MEMORY;
2004 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
2006 /* kill ourself with SIGUSR2 aka msg pending */
2007 if (volume->v_cdb) {
2008 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
2009 "Check server messages for details!");
2010 kill(getpid(), SIGUSR2);
2011 /* deactivate cnid caching/storing in AppleDouble files */
2012 volume->v_flags &= ~AFPVOL_CACHE;
2017 return (!volume->v_cdb)?-1:0;
2021 Check if the underlying filesystem supports EAs for ea:sys volumes.
2022 If not, switch to ea:ad.
2023 As we can't check (requires write access) on ro-volumes, we switch ea:auto
2024 volumes that are options:ro to ea:none.
2026 static void check_ea_sys_support(struct vol *vol)
2028 uid_t process_uid = 0;
2029 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2030 const char *eacontent = "yes";
2032 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2034 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2035 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2036 vol->v_vfs_ea = AFPVOL_EA_NONE;
2042 process_uid = geteuid();
2044 if (seteuid(0) == -1) {
2045 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2049 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2050 sys_removexattr(vol->v_path, eaname);
2051 vol->v_vfs_ea = AFPVOL_EA_SYS;
2053 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2055 vol->v_vfs_ea = AFPVOL_EA_AD;
2059 if (seteuid(process_uid) == -1) {
2060 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2067 /* -------------------------
2068 * we are the user here
2070 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2081 char path[ MAXPATHLEN + 1];
2087 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2088 bitmap = ntohs( bitmap );
2089 ibuf += sizeof( bitmap );
2092 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2093 return AFPERR_BITMAP;
2096 len = (unsigned char)*ibuf++;
2097 volname = obj->oldtmp;
2099 if ((volname_tmp = strchr(volname,'+')) != NULL)
2100 volname = volname_tmp+1;
2102 if (utf8_encoding()) {
2103 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2105 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2108 if ( namelen <= 0) {
2109 return AFPERR_PARAM;
2113 if ((len + 1) & 1) /* pad to an even boundary */
2118 for ( volume = Volumes; volume; volume = volume->v_next ) {
2119 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2124 if ( volume == NULL ) {
2125 return AFPERR_PARAM;
2128 /* check for a volume password */
2129 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2130 return AFPERR_ACCESS;
2133 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2134 /* the volume is already open */
2136 set_uidgid ( volume );
2138 return stat_vol(bitmap, volume, rbuf, rbuflen);
2141 if (volume->v_root_preexec) {
2142 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2143 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2149 set_uidgid ( volume );
2152 if (volume->v_preexec) {
2153 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2154 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2159 if ( stat( volume->v_path, &st ) < 0 ) {
2160 return AFPERR_PARAM;
2163 if ( chdir( volume->v_path ) < 0 ) {
2164 return AFPERR_PARAM;
2167 if ( NULL == getcwd(path, MAXPATHLEN)) {
2168 /* shouldn't be fatal but it will fail later */
2169 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2173 /* Normalize volume path */
2174 #ifdef REALPATH_TAKES_NULL
2175 if ((volume->v_path = realpath(path, NULL)) == NULL)
2178 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2180 if (realpath(path, volume->v_path) == NULL) {
2181 free(volume->v_path);
2184 /* Safe some memory */
2186 if ((tmp = strdup(volume->v_path)) == NULL) {
2187 free(volume->v_path);
2190 free(volume->v_path);
2191 volume->v_path = tmp;
2194 if (volume_codepage(obj, volume) < 0) {
2199 /* initialize volume variables
2202 if (utf8_encoding()) {
2203 volume->max_filename = UTF8FILELEN_EARLY;
2206 volume->max_filename = MACFILELEN;
2209 volume->v_flags |= AFPVOL_OPEN;
2210 volume->v_cdb = NULL;
2212 if (utf8_encoding()) {
2213 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2215 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2217 if ( !vol_mname || len <= 0) {
2222 if ((vol_uname = strrchr(path, '/')) == NULL)
2224 else if (*(vol_uname + 1) != '\0')
2227 if ((dir = dir_new(vol_mname,
2232 bfromcstr(volume->v_path),
2236 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2241 volume->v_root = dir;
2244 if (volume_openDB(volume) < 0) {
2245 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2246 volume->v_path, volume->v_cnidscheme);
2251 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2252 if (ret == AFP_OK) {
2254 if (!(volume->v_flags & AFPVOL_RO)) {
2255 handle_special_folders( volume );
2257 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2258 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2262 * If you mount a volume twice, the second time the trash appears on
2263 * the desk-top. That's because the Mac remembers the DID for the
2264 * trash (even for volumes in different zones, on different servers).
2265 * Just so this works better, we prime the DID cache with the trash,
2266 * fixing the trash at DID 17.
2267 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2269 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2271 /* FIXME find db time stamp */
2272 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2273 LOG (log_error, logtype_afpd,
2274 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2282 cname( volume, volume->v_root, &p );
2288 if (volume->v_root) {
2289 dir_free( volume->v_root );
2290 volume->v_root = NULL;
2293 volume->v_flags &= ~AFPVOL_OPEN;
2294 if (volume->v_cdb != NULL) {
2295 cnid_close(volume->v_cdb);
2296 volume->v_cdb = NULL;
2302 /* ------------------------- */
2303 static void closevol(struct vol *vol)
2308 dir_free( vol->v_root );
2310 if (vol->v_cdb != NULL) {
2311 cnid_close(vol->v_cdb);
2315 if (vol->v_postexec) {
2316 afprun(0, vol->v_postexec, NULL);
2318 if (vol->v_root_postexec) {
2319 afprun(1, vol->v_root_postexec, NULL);
2323 /* ------------------------- */
2324 void close_all_vol(void)
2328 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2329 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2330 ovol->v_flags &= ~AFPVOL_OPEN;
2336 /* ------------------------- */
2337 static void deletevol(struct vol *vol)
2341 vol->v_flags &= ~AFPVOL_OPEN;
2342 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2343 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2347 if ( ovol != NULL ) {
2348 /* Even if chdir fails, we can't say afp_closevol fails. */
2349 if ( chdir( ovol->v_path ) == 0 ) {
2350 curdir = ovol->v_root;
2355 if (vol->v_deleted) {
2356 showvol(vol->v_name);
2363 /* ------------------------- */
2364 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2371 memcpy(&vid, ibuf, sizeof( vid ));
2372 if (NULL == ( vol = getvolbyvid( vid )) ) {
2373 return( AFPERR_PARAM );
2382 /* ------------------------- */
2383 struct vol *getvolbyvid(const u_int16_t vid )
2387 for ( vol = Volumes; vol; vol = vol->v_next ) {
2388 if ( vid == vol->v_vid ) {
2392 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2398 #endif /* FORCE_UIDGID */
2405 /* ------------------------ */
2406 static int ext_cmp_key(const void *key, const void *obj)
2408 const char *p = key;
2409 const struct extmap *em = obj;
2410 return strdiacasecmp(p, em->em_ext);
2412 struct extmap *getextmap(const char *path)
2417 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2418 return( Defextmap );
2422 return( Defextmap );
2424 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2428 return( Defextmap );
2432 /* ------------------------- */
2433 struct extmap *getdefextmap(void)
2435 return( Defextmap );
2438 /* --------------------------
2439 poll if a volume is changed by other processes.
2441 0 no attention msg sent
2442 1 attention msg sent
2443 -1 error (socket closed)
2445 Note: if attention return -1 no packet has been
2446 sent because the buffer is full, we don't care
2447 either there's no reader or there's a lot of
2448 traffic and another pollvoltime will follow
2450 int pollvoltime(AFPObj *obj)
2457 if (!(afp_version > 21 && obj->options.server_notif))
2460 if ( gettimeofday( &tv, NULL ) < 0 )
2463 for ( vol = Volumes; vol; vol = vol->v_next ) {
2464 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2465 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2466 vol->v_mtime = st.st_mtime;
2467 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2476 /* ------------------------- */
2477 void setvoltime(AFPObj *obj, struct vol *vol)
2481 /* just looking at vol->v_mtime is broken seriously since updates
2482 * from other users afpd processes never are seen.
2483 * This is not the most elegant solution (a shared memory between
2484 * the afpd processes would come closer)
2487 if ( gettimeofday( &tv, NULL ) < 0 ) {
2488 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2491 if( utime( vol->v_path, NULL ) < 0 ) {
2492 /* write of time failed ... probably a read only filesys,
2493 * where no other users can interfere, so there's no issue here
2497 /* a little granularity */
2498 if (vol->v_mtime < tv.tv_sec) {
2499 vol->v_mtime = tv.tv_sec;
2500 /* or finder doesn't update free space
2501 * AFP 3.2 and above clients seem to be ok without so many notification
2503 if (afp_version < 32 && obj->options.server_notif) {
2504 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2509 /* ------------------------- */
2510 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2513 u_int16_t vid, bitmap;
2516 memcpy(&vid, ibuf, sizeof( vid ));
2517 ibuf += sizeof( vid );
2518 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2519 bitmap = ntohs( bitmap );
2521 if (NULL == ( vol = getvolbyvid( vid )) ) {
2523 return( AFPERR_PARAM );
2526 return stat_vol(bitmap, vol, rbuf, rbuflen);
2529 /* ------------------------- */
2530 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2534 u_int16_t vid, bitmap;
2540 memcpy(&vid, ibuf, sizeof( vid ));
2541 ibuf += sizeof( vid );
2542 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2543 bitmap = ntohs( bitmap );
2544 ibuf += sizeof(bitmap);
2546 if (( vol = getvolbyvid( vid )) == NULL ) {
2547 return( AFPERR_PARAM );
2550 if ((vol->v_flags & AFPVOL_RO))
2551 return AFPERR_VLOCK;
2553 /* we can only set the backup date. */
2554 if (bitmap != (1 << VOLPBIT_BDATE))
2555 return AFPERR_BITMAP;
2557 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2558 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2561 return AFPERR_VLOCK;
2563 return AFPERR_ACCESS;
2566 memcpy(&aint, ibuf, sizeof(aint));
2567 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2569 ad_close(&ad, ADFLAGS_HF);
2573 /* ------------------------- */
2574 int wincheck(const struct vol *vol, const char *path)
2578 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2581 /* empty paths are not allowed */
2582 if ((len = strlen(path)) == 0)
2585 /* leading or trailing whitespaces are not allowed, carriage returns
2586 * and probably other whitespace is okay, tabs are not allowed
2588 if ((path[0] == ' ') || (path[len-1] == ' '))
2591 /* certain characters are not allowed */
2592 if (strpbrk(path, MSWINDOWS_BADCHARS))
2595 /* everything else is okay */
2601 * precreate a folder
2602 * this is only intended for folders in the volume root
2603 * It will *not* work if the folder name contains extended characters
2605 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2614 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2616 LOG(log_error, logtype_afpd,"malloc failed");
2620 q=strdup(folder->name);
2622 LOG(log_error, logtype_afpd,"malloc failed");
2626 strcpy(p, vol->v_path);
2631 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2633 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2639 if ( (ret = stat( p, &st )) < 0 ) {
2640 if (folder->precreate) {
2641 if (ad_mkdir(p, folder->mode)) {
2642 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2651 if ( !ret && folder->hide) {
2653 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2654 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2660 ad_setname(&ad, folder->name);
2662 ad_getattr(&ad, &attr);
2663 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2664 ad_setattr(&ad, attr);
2666 /* do the same with the finder info */
2667 if (ad_entry(&ad, ADEID_FINDERI)) {
2668 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2669 attr |= htons(FINDERINFO_INVISIBLE);
2670 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2674 ad_close_metadata( &ad);
2681 static void handle_special_folders (const struct vol * vol)
2683 const _special_folder *p = &special_folders[0];
2685 if ((vol->v_flags & AFPVOL_RO))
2688 for (; p->name != NULL; p++) {
2689 create_special_folder (vol, p);
2693 const struct vol *getvolumes(void)
2698 void unload_volumes_and_extmap(void)
2700 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2706 * Get a volumes UUID from the config file.
2707 * If there is none, it is generated and stored there.
2709 * Returns pointer to allocated storage on success, NULL on error.
2711 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2714 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2716 struct stat tmpstat;
2719 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2720 /* scan in the conf file */
2721 while (fgets(buf, sizeof(buf), fp) != NULL) {
2723 while (p && isblank(*p))
2725 if (!p || (*p == '#') || (*p == '\n'))
2726 continue; /* invalid line */
2729 if ((volname_conf = strtok( p, "\"" )) == NULL)
2730 continue; /* syntax error */
2732 if ((volname_conf = strtok( p, " \t" )) == NULL)
2733 continue; /* syntax error: invalid name */
2735 p = strchr(p, '\0');
2738 continue; /* syntax error */
2740 if (strcmp(volname, volname_conf) != 0)
2741 continue; /* another volume name */
2743 while (p && isblank(*p))
2746 if (sscanf(p, "%36s", uuid) == 1 ) {
2747 for (int i=0; uuid[i]; i++)
2748 uuid[i] = toupper(uuid[i]);
2749 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2751 return strdup(uuid);
2759 /* not found or no file, reopen in append mode */
2761 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2762 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2763 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2764 obj->options.uuidconf, strerror(errno));
2767 if (( fp = fdopen( fd, "w" )) == NULL ) {
2768 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2769 obj->options.uuidconf, strerror(errno));
2773 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2774 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2775 obj->options.uuidconf, strerror(errno));
2778 fseek(fp, 0L, SEEK_END);
2779 if(ftell(fp) == 0) { /* size = 0 */
2780 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2781 fprintf(fp, "# This file is auto-generated by afpd\n");
2782 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2784 fseek(fp, -1L, SEEK_END);
2785 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2788 /* generate uuid and write to file */
2791 randombytes((void *)id, 16);
2792 cp = uuid_bin2string(id);
2794 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2796 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);