2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
18 #include <sys/param.h>
19 #include <sys/socket.h>
20 #include <netinet/in.h>
21 #include <arpa/inet.h>
25 #include <atalk/dsi.h>
26 #include <atalk/adouble.h>
27 #include <atalk/afp.h>
28 #include <atalk/util.h>
29 #include <atalk/volinfo.h>
30 #include <atalk/logger.h>
31 #include <atalk/vfs.h>
32 #include <atalk/uuid.h>
34 #include <atalk/bstrlib.h>
35 #include <atalk/bstradd.h>
36 #include <atalk/ftw.h>
37 #include <atalk/globals.h>
38 #include <atalk/fce_api.h>
41 #include <atalk/cnid.h>
44 #include "directory.h"
53 extern int afprun(int root, char *cmd, int *outfd);
56 #define MIN(a, b) ((a) < (b) ? (a) : (b))
59 #ifndef UUID_PRINTABLE_STRING_LENGTH
60 #define UUID_PRINTABLE_STRING_LENGTH 37
64 struct vol *current_vol; /* last volume from getvolbyvid() */
66 static struct vol *Volumes = NULL;
67 static uint16_t lastvid = 0;
68 static char *Trash = "\02\024Network Trash Folder";
70 static struct extmap *Extmap = NULL, *Defextmap = NULL;
71 static int Extmap_cnt;
72 static void free_extmap(void);
74 #define VOLOPT_ALLOW 0 /* user allow list */
75 #define VOLOPT_DENY 1 /* user deny list */
76 #define VOLOPT_RWLIST 2 /* user rw list */
77 #define VOLOPT_ROLIST 3 /* user ro list */
78 #define VOLOPT_PASSWORD 4 /* volume password */
79 #define VOLOPT_CASEFOLD 5 /* character case mangling */
80 #define VOLOPT_FLAGS 6 /* various flags */
81 #define VOLOPT_DBPATH 7 /* path to database */
82 #define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
84 #define VOLOPT_VETO 10 /* list of veto filespec */
85 #define VOLOPT_PREEXEC 11 /* preexec command */
86 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
87 #define VOLOPT_POSTEXEC 13 /* postexec command */
88 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
89 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
90 #define VOLOPT_MACCHARSET 16
91 #define VOLOPT_CNIDSCHEME 17
92 #define VOLOPT_ADOUBLE 18 /* adouble version */
93 /* Usable slot: 19/20 */
94 #define VOLOPT_UMASK 21
95 #define VOLOPT_ALLOWED_HOSTS 22
96 #define VOLOPT_DENIED_HOSTS 23
97 #define VOLOPT_DPERM 24 /* dperm default directories perms */
98 #define VOLOPT_FPERM 25 /* fperm default files perms */
99 #define VOLOPT_DFLTPERM 26 /* perm */
100 #define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
101 #define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
102 #define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
104 #define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
105 #define VOLOPT_NUM (VOLOPT_MAX + 1)
108 #define VOLOPT_DEFAULT ":DEFAULT:"
109 #define VOLOPT_DEFAULT_LEN 9
116 typedef struct _special_folder {
123 static const _special_folder special_folders[] = {
124 {"Network Trash Folder", 1, 0777, 1},
125 {".AppleDesktop", 1, 0777, 0},
128 /* Forward declarations */
129 static void handle_special_folders (const struct vol *);
130 static void deletevol(struct vol *vol);
131 static void volume_free(struct vol *vol);
132 static void check_ea_sys_support(struct vol *vol);
133 static char *get_vol_uuid(const AFPObj *obj, const char *volname);
134 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1,char *p2, int user, struct passwd *pwent);
136 static void volfree(struct vol_option *options, const struct vol_option *save)
141 for (i = 0; i < VOLOPT_MAX; i++) {
142 if (options[i].c_value && (options[i].c_value != save[i].c_value))
143 free(options[i].c_value);
146 for (i = 0; i < VOLOPT_MAX; i++) {
147 if (options[i].c_value)
148 free(options[i].c_value);
154 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
157 * Handle variable substitutions. here's what we understand:
158 * $b -> basename of path
159 * $c -> client ip/appletalk address
160 * $d -> volume pathname on server
161 * $f -> full name (whatever's in the gecos field)
164 * $i -> client ip/appletalk address without port
165 * $s -> server name (hostname if it doesn't exist)
166 * $u -> username (guest is usually nobody)
167 * $v -> volume name or basename if null
168 * $z -> zone (may not exist)
171 * This get's called from readvolfile with
172 * path = NULL, volname = NULL for xlating the volumes path
173 * path = path, volname = NULL for xlating the volumes name
174 * ... and from volumes options parsing code when xlating eg dbpath with
175 * path = path, volname = volname
177 * Using this information we can reject xlation of any variable depeninding on a login
178 * context which is not given in the afp master, where we must evaluate this whole stuff
179 * too for the Zeroconf announcements.
181 static char *volxlate(AFPObj *obj,
194 int xlatevolname = 0;
196 if (parent_or_child == 0)
199 if (path && !volname)
207 dest = calloc(destlen +1, 1);
213 strlcpy(dest, src, destlen +1);
214 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
217 /* first part of the path. just forward to the next variable. */
218 len = MIN((size_t)(p - src), destlen);
224 while (p && destlen > 0) {
225 /* now figure out what the variable is */
227 if (is_var(p, "$b")) {
228 if (afpmaster && xlatevolname)
231 if ((q = strrchr(path, '/')) == NULL)
233 else if (*(q + 1) != '\0')
236 } else if (is_var(p, "$c")) {
237 if (afpmaster && xlatevolname)
239 DSI *dsi = obj->handle;
240 len = sprintf(dest, "%s:%u",
241 getip_string((struct sockaddr *)&dsi->client),
242 getip_port((struct sockaddr *)&dsi->client));
245 } else if (is_var(p, "$d")) {
246 if (afpmaster && xlatevolname)
249 } else if (pwd && is_var(p, "$f")) {
250 if (afpmaster && xlatevolname)
252 if ((r = strchr(pwd->pw_gecos, ',')))
255 } else if (pwd && is_var(p, "$g")) {
256 if (afpmaster && xlatevolname)
258 struct group *grp = getgrgid(pwd->pw_gid);
261 } else if (is_var(p, "$h")) {
262 q = obj->options.hostname;
263 } else if (is_var(p, "$i")) {
264 if (afpmaster && xlatevolname)
266 DSI *dsi = obj->handle;
267 q = getip_string((struct sockaddr *)&dsi->client);
268 } else if (is_var(p, "$s")) {
271 else if (obj->options.server) {
272 q = obj->options.server;
274 q = obj->options.hostname;
275 } else if (obj->username && is_var(p, "$u")) {
276 if (afpmaster && xlatevolname)
279 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
283 } else if (is_var(p, "$v")) {
284 if (afpmaster && xlatevolname)
290 if ((q = strrchr(path, '/')) == NULL)
292 else if (*(q + 1) != '\0')
295 } else if (is_var(p, "$z")) {
297 } else if (is_var(p, "$$")) {
302 /* copy the stuff over. if we don't understand something that we
303 * should, just skip it over. */
305 len = MIN(p == q ? 2 : strlen(q), destlen);
306 strncpy(dest, q, len);
311 /* stuff up to next $ */
313 p = strchr(src, '$');
314 len = p ? MIN((size_t)(p - src), destlen) : destlen;
316 strncpy(dest, src, len);
324 /* to make sure that val is valid, make sure to select an opt that
326 static int optionok(const char *buf, const char *opt, const char *val)
328 if (!strstr(buf,opt))
336 /* -------------------- */
337 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
339 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
340 free(options[opt].c_value);
341 options[opt].c_value = strdup(val + 1);
344 /* ------------------------------------------
345 handle all the options. tmp can't be NULL. */
346 static void volset(struct vol_option *options, struct vol_option *save,
347 char *volname, int vlen,
352 val = strchr(tmp, ':');
354 /* we'll assume it's a volume name. */
355 strncpy(volname, tmp, vlen);
360 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
362 if (optionok(tmp, "allow:", val)) {
363 setoption(options, save, VOLOPT_ALLOW, val);
365 } else if (optionok(tmp, "deny:", val)) {
366 setoption(options, save, VOLOPT_DENY, val);
368 } else if (optionok(tmp, "rwlist:", val)) {
369 setoption(options, save, VOLOPT_RWLIST, val);
371 } else if (optionok(tmp, "rolist:", val)) {
372 setoption(options, save, VOLOPT_ROLIST, val);
374 } else if (optionok(tmp, "codepage:", val)) {
375 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
376 /* Make sure we don't screw anything */
378 } else if (optionok(tmp, "volcharset:", val)) {
379 setoption(options, save, VOLOPT_ENCODING, val);
380 } else if (optionok(tmp, "maccharset:", val)) {
381 setoption(options, save, VOLOPT_MACCHARSET, val);
382 } else if (optionok(tmp, "veto:", val)) {
383 setoption(options, save, VOLOPT_VETO, val);
384 } else if (optionok(tmp, "cnidscheme:", val)) {
385 setoption(options, save, VOLOPT_CNIDSCHEME, val);
386 } else if (optionok(tmp, "casefold:", val)) {
387 if (strcasecmp(val + 1, "tolower") == 0)
388 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
389 else if (strcasecmp(val + 1, "toupper") == 0)
390 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
391 else if (strcasecmp(val + 1, "xlatelower") == 0)
392 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
393 else if (strcasecmp(val + 1, "xlateupper") == 0)
394 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
395 } else if (optionok(tmp, "adouble:", val)) {
396 if (strcasecmp(val + 1, "v2") == 0)
397 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
398 else if (strcasecmp(val + 1, "ea") == 0)
399 options[VOLOPT_ADOUBLE].i_value = AD_VERSION_EA;
400 } else if (optionok(tmp, "options:", val)) {
403 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
407 if (strcasecmp(p, "prodos") == 0)
408 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
409 else if (strcasecmp(p, "mswindows") == 0) {
410 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
411 } else if (strcasecmp(p, "crlf") == 0)
412 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
413 else if (strcasecmp(p, "noadouble") == 0)
414 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
415 else if (strcasecmp(p, "ro") == 0)
416 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
417 else if (strcasecmp(p, "nohex") == 0)
418 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
419 else if (strcasecmp(p, "usedots") == 0)
420 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
421 else if (strcasecmp(p, "invisibledots") == 0)
422 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
423 else if (strcasecmp(p, "limitsize") == 0)
424 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
425 else if (strcasecmp(p, "nofileid") == 0)
426 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
427 else if (strcasecmp(p, "nostat") == 0)
428 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
429 else if (strcasecmp(p, "preexec_close") == 0)
430 options[VOLOPT_PREEXEC].i_value = 1;
431 else if (strcasecmp(p, "root_preexec_close") == 0)
432 options[VOLOPT_ROOTPREEXEC].i_value = 1;
433 else if (strcasecmp(p, "upriv") == 0)
434 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
435 else if (strcasecmp(p, "nodev") == 0)
436 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
437 else if (strcasecmp(p, "caseinsensitive") == 0)
438 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
439 else if (strcasecmp(p, "illegalseq") == 0)
440 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
441 else if (strcasecmp(p, "nocnidcache") == 0)
442 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
443 else if (strcasecmp(p, "tm") == 0)
444 options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
445 else if (strcasecmp(p, "searchdb") == 0)
446 options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
447 else if (strcasecmp(p, "nonetids") == 0)
448 options[VOLOPT_FLAGS].i_value |= AFPVOL_NONETIDS;
449 else if (strcasecmp(p, "noacls") == 0)
450 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
451 p = strtok(NULL, ",");
454 } else if (optionok(tmp, "cnidserver:", val)) {
455 setoption(options, save, VOLOPT_CNIDSERVER, val);
457 char *p = strrchr(val + 1, ':');
460 setoption(options, save, VOLOPT_CNIDPORT, p);
463 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
464 volname, val + 1, p ? p + 1 : Cnid_port);
466 } else if (optionok(tmp, "dbpath:", val)) {
467 setoption(options, save, VOLOPT_DBPATH, val);
469 } else if (optionok(tmp, "umask:", val)) {
470 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
471 } else if (optionok(tmp, "dperm:", val)) {
472 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
473 } else if (optionok(tmp, "fperm:", val)) {
474 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
475 } else if (optionok(tmp, "perm:", val)) {
476 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
477 } else if (optionok(tmp, "password:", val)) {
478 setoption(options, save, VOLOPT_PASSWORD, val);
479 } else if (optionok(tmp, "root_preexec:", val)) {
480 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
482 } else if (optionok(tmp, "preexec:", val)) {
483 setoption(options, save, VOLOPT_PREEXEC, val);
485 } else if (optionok(tmp, "root_postexec:", val)) {
486 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
488 } else if (optionok(tmp, "postexec:", val)) {
489 setoption(options, save, VOLOPT_POSTEXEC, val);
491 } else if (optionok(tmp, "allowed_hosts:", val)) {
492 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
494 } else if (optionok(tmp, "denied_hosts:", val)) {
495 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
497 } else if (optionok(tmp, "ea:", val)) {
498 if (strcasecmp(val + 1, "ad") == 0)
499 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
500 else if (strcasecmp(val + 1, "sys") == 0)
501 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
502 else if (strcasecmp(val + 1, "none") == 0)
503 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
505 } else if (optionok(tmp, "volsizelimit:", val)) {
506 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
509 /* ignore unknown options */
510 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
515 /* ----------------- */
516 static void showvol(const ucs2_t *name)
519 for ( volume = Volumes; volume; volume = volume->v_next ) {
520 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
527 /* ------------------------------- */
528 static int creatvol(AFPObj *obj, struct passwd *pwd,
529 char *path, char *name,
530 struct vol_option *options,
531 const int user /* user defined volume */
535 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
537 char tmpname[AFPVOL_U8MNAMELEN+1];
538 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
539 char suffix[6]; /* max is #FFFF */
542 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
544 if ( name == NULL || *name == '\0' ) {
545 if ((name = strrchr( path, '/' )) == NULL) {
546 return -1; /* Obviously not a fully qualified path */
549 /* if you wish to share /, you need to specify a name. */
554 /* suffix for mangling use (lastvid + 1) */
555 /* because v_vid has not been decided yet. */
556 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
558 vlen = strlen( name );
560 /* Unicode Volume Name */
561 /* Firstly convert name from unixcharset to UTF8-MAC */
563 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
565 strcpy(tmpname, "???");
569 /* Do we have to mangle ? */
570 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
571 if (tmpvlen + suffixlen > obj->options.volnamelen) {
573 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
574 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
576 strcat(tmpname, suffix);
577 tmpvlen = strlen(tmpname);
580 /* Secondly convert name from UTF8-MAC to UCS2 */
581 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
584 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
586 /* Maccharset Volume Name */
587 /* Firsty convert name from unixcharset to maccharset */
589 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
591 strcpy(tmpname, "???");
595 /* Do we have to mangle ? */
596 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
597 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
599 tmpvlen = convert_charset(obj->options.unixcharset,
600 obj->options.maccharset,
605 AFPVOL_MACNAMELEN - suffixlen,
607 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
609 strcat(tmpname, suffix);
610 tmpvlen = strlen(tmpname);
613 /* Secondly convert name from maccharset to UCS2 */
614 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
619 AFPVOL_U8MNAMELEN*2)) )
622 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
624 /* check duplicate */
625 for ( volume = Volumes; volume; volume = volume->v_next ) {
626 if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
628 (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
629 LOG (log_error, logtype_afpd,
630 "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
631 volume->v_localname, name);
632 if (volume->v_deleted) {
633 volume->v_new = hide = 1;
636 return -1; /* Won't be able to access it, anyway... */
641 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
642 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
645 if ( NULL == ( volume->v_localname = strdup(name))) {
646 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
651 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
652 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
657 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
658 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
663 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
664 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
670 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
671 volume->v_hide = hide;
672 strcpy( volume->v_path, path );
676 #endif /* __svr4__ */
677 /* os X start at 1 and use network order ie. 1 2 3 */
678 volume->v_vid = ++lastvid;
679 volume->v_vid = htons(volume->v_vid);
681 if (!check_vol_acl_support(volume)) {
682 LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
683 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
689 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
690 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
692 if (options[VOLOPT_EA_VFS].i_value)
693 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
695 volume->v_ad_options = 0;
696 if ((volume->v_flags & AFPVOL_NODEV))
697 volume->v_ad_options |= ADVOL_NODEV;
698 if ((volume->v_flags & AFPVOL_CACHE))
699 volume->v_ad_options |= ADVOL_CACHE;
700 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
701 volume->v_ad_options |= ADVOL_UNIXPRIV;
702 if ((volume->v_flags & AFPVOL_INV_DOTS))
703 volume->v_ad_options |= ADVOL_INVDOTS;
704 if ((volume->v_flags & AFPVOL_NOADOUBLE))
705 volume->v_ad_options |= ADVOL_NOADOUBLE;
707 if (options[VOLOPT_PASSWORD].c_value)
708 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
710 if (options[VOLOPT_VETO].c_value)
711 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
713 if (options[VOLOPT_ENCODING].c_value)
714 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
716 if (options[VOLOPT_MACCHARSET].c_value)
717 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
719 if (options[VOLOPT_DBPATH].c_value)
720 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
722 if (options[VOLOPT_CNIDSCHEME].c_value)
723 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
725 if (options[VOLOPT_CNIDSERVER].c_value)
726 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
728 if (options[VOLOPT_CNIDPORT].c_value)
729 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
731 if (options[VOLOPT_UMASK].i_value)
732 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
734 if (options[VOLOPT_DPERM].i_value)
735 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
737 if (options[VOLOPT_FPERM].i_value)
738 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
740 if (options[VOLOPT_DFLTPERM].i_value)
741 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
743 if (options[VOLOPT_ADOUBLE].i_value)
744 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
746 volume->v_adouble = AD_VERSION;
748 if (options[VOLOPT_LIMITSIZE].i_value)
749 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
751 /* Mac to Unix conversion flags*/
752 volume->v_mtou_flags = 0;
753 if (!(volume->v_flags & AFPVOL_NOHEX))
754 volume->v_mtou_flags |= CONV_ESCAPEHEX;
755 if (!(volume->v_flags & AFPVOL_USEDOTS))
756 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
757 if ((volume->v_flags & AFPVOL_EILSEQ))
758 volume->v_mtou_flags |= CONV__EILSEQ;
760 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
761 volume->v_mtou_flags |= CONV_TOUPPER;
762 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
763 volume->v_mtou_flags |= CONV_TOLOWER;
765 /* Unix to Mac conversion flags*/
766 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
767 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
768 volume->v_utom_flags |= CONV_TOUPPER;
769 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
770 volume->v_utom_flags |= CONV_TOLOWER;
772 if ((volume->v_flags & AFPVOL_EILSEQ))
773 volume->v_utom_flags |= CONV__EILSEQ;
776 if (options[VOLOPT_PREEXEC].c_value)
777 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
778 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
780 if (options[VOLOPT_POSTEXEC].c_value)
781 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
783 if (options[VOLOPT_ROOTPREEXEC].c_value)
784 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
785 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
787 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
788 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
791 volume->v_dperm |= volume->v_perm;
792 volume->v_fperm |= volume->v_perm;
794 /* Check EA support on volume */
795 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
796 check_ea_sys_support(volume);
799 /* get/store uuid from file in afpd master*/
800 if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
801 char *uuid = get_vol_uuid(obj, volume->v_localname);
803 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
804 volume->v_localname);
806 volume->v_uuid = uuid;
807 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
808 volume->v_localname, volume->v_uuid);
812 volume->v_next = Volumes;
817 /* ---------------- */
818 static char *myfgets( char *buf, int size, FILE *fp)
824 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
825 if ( c == '\n' || c == '\r' ) {
826 if (p != buf && *(p -1) == '\\') {
848 /* check access list. this function wants something of the following
850 * @group,name,name2,@group2,name3
852 * a NULL argument allows everybody to have access.
853 * we return three things:
855 * 0: list exists, but name isn't in it
859 #ifndef NO_REAL_USER_NAME
860 /* authentication is case insensitive
861 * FIXME should we do the same with group name?
863 #define access_strcmp strcasecmp
866 #define access_strcmp strcmp
870 static int accessvol(const char *args, const char *name)
872 char buf[MAXPATHLEN + 1], *p;
878 strlcpy(buf, args, sizeof(buf));
879 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
883 if (*p == '@') { /* it's a group */
884 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
886 } else if (access_strcmp(p, name) == 0) /* it's a user name */
888 p = strtok(NULL, ",");
894 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
897 char buf[MAXPATHLEN + 1], *p, *b;
898 DSI *dsi = obj->handle;
899 struct sockaddr_storage client;
904 strlcpy(buf, args, sizeof(buf));
905 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
908 if (obj->proto != AFPPROTO_DSI)
913 char *ipaddr, *mask_char;
914 struct addrinfo hints, *ai;
916 ipaddr = strtok(p, "/");
917 mask_char = strtok(NULL,"/");
919 /* Get address from string with getaddrinfo */
920 memset(&hints, 0, sizeof hints);
921 hints.ai_family = AF_UNSPEC;
922 hints.ai_socktype = SOCK_STREAM;
923 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
924 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
929 if (mask_char != NULL)
930 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
932 if (ai->ai_family == AF_INET) /* IPv4 */
938 /* Apply mask to addresses */
939 client = dsi->client;
940 apply_ip_mask((struct sockaddr *)&client, mask_int);
941 apply_ip_mask(ai->ai_addr, mask_int);
943 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
944 if (type == VOLOPT_DENIED_HOSTS)
945 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
946 getip_string((struct sockaddr *)&client), volname);
953 p = strtok_r(NULL, ",", &b);
956 if (type == VOLOPT_ALLOWED_HOSTS)
957 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
958 getip_string((struct sockaddr *)&dsi->client), volname);
962 static void setextmap(char *ext, char *type, char *creator, int user)
967 if (Extmap == NULL) {
968 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
969 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
974 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
975 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
980 if ( em->em_ext == NULL ) {
981 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
982 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
985 (Extmap +cnt +1)->em_ext = NULL;
987 } else if ( !user ) {
993 if (!(em->em_ext = strdup( ext))) {
994 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
998 if ( *type == '\0' ) {
999 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1001 memcpy(em->em_type, type, sizeof( em->em_type ));
1003 if ( *creator == '\0' ) {
1004 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1006 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1010 /* -------------------------- */
1011 static int extmap_cmp(const void *map1, const void *map2)
1013 const struct extmap *em1 = map1;
1014 const struct extmap *em2 = map2;
1015 return strdiacasecmp(em1->em_ext, em2->em_ext);
1018 static void sortextmap( void)
1023 if ((em = Extmap) == NULL) {
1026 while (em->em_ext) {
1031 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1032 if (*Extmap->em_ext == 0) {
1033 /* the first line is really "." the default entry,
1034 * we remove the leading '.' in setextmap
1041 /* ----------------------
1043 static void free_extmap( void)
1048 for ( em = Extmap; em->em_ext; em++) {
1058 /* ----------------------
1060 static int volfile_changed(struct afp_volume_name *p)
1066 name = p->full_name;
1070 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1071 p->mtime = st.st_mtime;
1077 /* ----------------------
1078 * Read a volume configuration file and add the volumes contained within to
1079 * the global volume list. This gets called from the forked afpd childs.
1080 * The master now reads this too for Zeroconf announcements.
1082 * If p2 is non-NULL, the file that is opened is
1085 * Lines that begin with # and blank lines are ignored.
1086 * Volume lines are of the form:
1087 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1088 * [codepage:<file>] [casefold:<num>]
1089 * <extension> TYPE [CREATOR]
1092 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1095 char path[MAXPATHLEN + 1];
1096 char tmp[MAXPATHLEN + 1];
1097 char volname[AFPVOL_U8MNAMELEN + 1];
1099 char type[5], creator[5];
1104 struct vol_option save_options[VOLOPT_NUM];
1105 struct vol_option options[VOLOPT_NUM];
1111 strcpy( path, p1->name );
1113 strcat( path, "/" );
1115 if (p1->full_name) {
1116 free(p1->full_name);
1118 p1->full_name = strdup(path);
1121 if (NULL == ( fp = fopen( path, "r" )) ) {
1125 if (fd != -1 && !fstat( fd, &st) ) {
1126 p1->mtime = st.st_mtime;
1129 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1132 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1135 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1136 if ( fclose( fp ) != 0 ) {
1137 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1147 memset(save_options, 0, sizeof(save_options));
1149 /* Enable some default options for all volumes */
1150 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1152 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
1154 save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1155 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1156 obj->options.umask);
1157 save_options[VOLOPT_UMASK].i_value = obj->options.umask;
1159 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1161 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1162 initline( strlen( buf ), buf );
1163 parseline( sizeof( path ) - 1, path );
1170 /* change the default options for this file */
1171 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1173 for (i = 0; i < VOLOPT_NUM; i++) {
1174 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1175 path + VOLOPT_DEFAULT_LEN) < 0)
1177 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1178 path + VOLOPT_DEFAULT_LEN);
1184 if (( p = strchr( path, '/' )) != NULL ) {
1192 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1195 strcpy( tmp, pw->pw_dir );
1196 if ( p != NULL && *p != '\0' ) {
1203 /* send path through variable substitution */
1204 if (*path != '~') /* need to copy path to tmp */
1206 if (!pwent && obj->username)
1207 pwent = getpwnam(obj->username);
1209 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1212 /* this is sort of braindead. basically, i want to be
1213 * able to specify things in any order, but i don't want to
1214 * re-write everything. */
1216 memcpy(options, save_options, sizeof(options));
1219 /* read in up to VOLOP_NUM possible options */
1220 for (i = 0; i < VOLOPT_NUM; i++) {
1221 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1224 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1227 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1228 allow -> either no list (-1), or in list (1)
1229 deny -> either no list (-1), or not in list (0) */
1230 if (parent_or_child == 0
1232 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1233 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1234 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1235 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1237 /* handle read-only behaviour. semantics:
1238 * 1) neither the rolist nor the rwlist exist -> rw
1239 * 2) rolist exists -> ro if user is in it.
1240 * 3) rwlist exists -> ro unless user is in it. */
1241 if (parent_or_child == 1
1243 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1245 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1246 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1247 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1249 /* do variable substitution for volname */
1250 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1253 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1255 volfree(options, save_options);
1259 parseline( sizeof( type ) - 1, type );
1260 parseline( sizeof( creator ) - 1, creator );
1261 setextmap( path, type, creator, user);
1268 volfree(save_options, NULL);
1270 if ( fclose( fp ) != 0 ) {
1271 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1277 /* ------------------------------- */
1278 static void volume_free(struct vol *vol)
1280 free(vol->v_localname);
1281 vol->v_localname = NULL;
1282 free(vol->v_u8mname);
1283 vol->v_u8mname = NULL;
1284 free(vol->v_macname);
1285 vol->v_macname = NULL;
1287 free(vol->v_password);
1289 free(vol->v_volcodepage);
1290 free(vol->v_maccodepage);
1291 free(vol->v_cnidscheme);
1292 free(vol->v_dbpath);
1298 /* ------------------------------- */
1299 static void free_volumes(void )
1302 struct vol *nvol, *ovol;
1304 for ( vol = Volumes; vol; vol = vol->v_next ) {
1305 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1312 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1315 if (vol->v_localname == NULL) {
1316 if (Volumes == vol) {
1321 ovol->v_next = nvol;
1331 /* ------------------------------- */
1332 static void volume_unlink(struct vol *volume)
1334 struct vol *vol, *ovol, *nvol;
1336 if (volume == Volumes) {
1337 Volumes = Volumes->v_next;
1340 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1343 if (vol == volume) {
1344 ovol->v_next = nvol;
1353 static off_t getused_size; /* result of getused() */
1356 nftw callback for getused()
1358 static int getused_stat(const char *path,
1359 const struct stat *statp,
1365 if (tflag == FTW_F || tflag == FTW_D) {
1366 getused_size += statp->st_blocks * 512;
1372 #define GETUSED_CACHETIME 5
1374 * Calculate used size of a volume with nftw
1376 * The result is cached, we're try to avoid frequently calling nftw()
1378 * 1) Call nftw an refresh if:
1379 * 1a) - we're called the first time
1380 * 1b) - volume modification date is not yet set and the last time we've been called is
1381 * longer then 30 sec ago
1382 * 1c) - the last volume modification is less then 30 sec old
1384 * @param vol (rw) volume to calculate
1386 static int getused(struct vol *vol)
1388 static time_t vol_mtime = 0;
1390 time_t now = time(NULL);
1393 || (!vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < now))
1394 || (vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < vol->v_mtime))
1399 ret = nftw(vol->v_path, getused_stat, NULL, 20, FTW_PHYS); /* 2 */
1400 LOG(log_debug, logtype_afpd, "volparams: from nftw: %" PRIu64 " bytes",
1403 getused_size += vol->v_written;
1405 LOG(log_debug, logtype_afpd, "volparams: cached used: %" PRIu64 " bytes",
1412 static int getvolspace(struct vol *vol,
1413 uint32_t *bfree, uint32_t *btotal,
1414 VolSpace *xbfree, VolSpace *xbtotal, uint32_t *bsize)
1419 #ifndef NO_QUOTA_SUPPORT
1420 VolSpace qfree, qtotal;
1423 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1424 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1425 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1426 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1427 ? 0x7fffffffL : 0xffffffffL);
1430 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1431 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1432 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1433 goto getvolspace_done;
1438 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1442 #define min(a,b) ((a)<(b)?(a):(b))
1443 #ifndef NO_QUOTA_SUPPORT
1444 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1445 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1446 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1447 *xbfree = min(*xbfree, qfree);
1448 *xbtotal = min( *xbtotal, qtotal);
1449 goto getvolspace_done;
1453 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1456 if (vol->v_limitsize) {
1457 if (getused(vol) != 0)
1459 LOG(log_debug, logtype_afpd, "volparams: used on volume: %" PRIu64 " bytes",
1461 vol->v_tm_used = getused_size;
1463 *xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1464 *xbfree = min(*xbfree, *xbtotal < getused_size ? 0 : *xbtotal - getused_size);
1467 *bfree = min( *xbfree, maxsize);
1468 *btotal = min( *xbtotal, maxsize);
1472 #define FCE_TM_DELTA 10 /* send notification every 10 seconds */
1473 void vol_fce_tm_event(void)
1476 time_t now = time(NULL);
1477 struct vol *vol = Volumes;
1479 if ((last + FCE_TM_DELTA) < now) {
1481 for ( ; vol; vol = vol->v_next ) {
1482 if (vol->v_flags & AFPVOL_TM)
1483 (void)fce_register_tm_size(vol->v_path, vol->v_tm_used + vol->v_written);
1488 /* -----------------------
1489 * set volume creation date
1490 * avoid duplicate, well at least it tries
1492 static void vol_setdate(uint16_t id, struct adouble *adp, time_t date)
1495 struct vol *vol = Volumes;
1497 for ( volume = Volumes; volume; volume = volume->v_next ) {
1498 if (volume->v_vid == id) {
1501 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1503 volume = Volumes; /* restart */
1506 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1507 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1510 /* ----------------------- */
1511 static int getvolparams( uint16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1514 int bit = 0, isad = 1;
1517 uint32_t bfree, btotal, bsize;
1518 VolSpace xbfree, xbtotal; /* extended bytes */
1519 char *data, *nameoff = NULL;
1522 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1524 /* courtesy of jallison@whistle.com:
1525 * For MacOS8.x support we need to create the
1526 * .Parent file here if it doesn't exist. */
1528 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1529 if (ad_open(&ad, vol->v_path, ADFLAGS_HF | ADFLAGS_DIR, O_RDWR | O_CREAT, 0666) != 0 ) {
1531 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1533 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1534 slash = strrchr( vol->v_path, '/' );
1538 slash = vol->v_path;
1539 if (ad_getentryoff(&ad, ADEID_NAME)) {
1540 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1541 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1542 ad_getentrylen( &ad, ADEID_NAME ));
1544 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1548 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1549 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1551 vol->v_ctime = aint;
1554 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1555 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1556 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1557 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1558 &bsize) != AFP_OK ) {
1560 ad_close( &ad, ADFLAGS_HF );
1562 return( AFPERR_PARAM );
1567 while ( bitmap != 0 ) {
1568 while (( bitmap & 1 ) == 0 ) {
1576 /* check for read-only.
1577 * NOTE: we don't actually set the read-only flag unless
1578 * it's passed in that way as it's possible to mount
1579 * a read-write filesystem under a read-only one. */
1580 if ((vol->v_flags & AFPVOL_RO) ||
1581 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1582 ashort |= VOLPBIT_ATTR_RO;
1584 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1585 if (afp_version > 20) {
1586 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1587 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1588 ashort |= VOLPBIT_ATTR_FILEID;
1590 ashort |= VOLPBIT_ATTR_CATSEARCH;
1592 if (afp_version >= 30) {
1593 ashort |= VOLPBIT_ATTR_UTF8;
1594 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1595 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1596 if (vol->v_flags & AFPVOL_TM)
1597 ashort |= VOLPBIT_ATTR_TM;
1598 if (vol->v_flags & AFPVOL_NONETIDS)
1599 ashort |= VOLPBIT_ATTR_NONETIDS;
1600 if (afp_version >= 32) {
1602 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1603 if (vol->v_flags & AFPVOL_ACLS)
1604 ashort |= VOLPBIT_ATTR_ACLS;
1608 ashort = htons(ashort);
1609 memcpy(data, &ashort, sizeof( ashort ));
1610 data += sizeof( ashort );
1614 ashort = htons( AFPVOLSIG_DEFAULT );
1615 memcpy(data, &ashort, sizeof( ashort ));
1616 data += sizeof( ashort );
1619 case VOLPBIT_CDATE :
1620 aint = vol->v_ctime;
1621 memcpy(data, &aint, sizeof( aint ));
1622 data += sizeof( aint );
1625 case VOLPBIT_MDATE :
1626 if ( st->st_mtime > vol->v_mtime ) {
1627 vol->v_mtime = st->st_mtime;
1629 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1630 memcpy(data, &aint, sizeof( aint ));
1631 data += sizeof( aint );
1634 case VOLPBIT_BDATE :
1635 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1636 aint = AD_DATE_START;
1637 memcpy(data, &aint, sizeof( aint ));
1638 data += sizeof( aint );
1642 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1643 data += sizeof( vol->v_vid );
1646 case VOLPBIT_BFREE :
1647 bfree = htonl( bfree );
1648 memcpy(data, &bfree, sizeof( bfree ));
1649 data += sizeof( bfree );
1652 case VOLPBIT_BTOTAL :
1653 btotal = htonl( btotal );
1654 memcpy(data, &btotal, sizeof( btotal ));
1655 data += sizeof( btotal );
1658 #ifndef NO_LARGE_VOL_SUPPORT
1659 case VOLPBIT_XBFREE :
1660 xbfree = hton64( xbfree );
1661 memcpy(data, &xbfree, sizeof( xbfree ));
1662 data += sizeof( xbfree );
1665 case VOLPBIT_XBTOTAL :
1666 xbtotal = hton64( xbtotal );
1667 memcpy(data, &xbtotal, sizeof( xbtotal ));
1668 data += sizeof( xbfree );
1670 #endif /* ! NO_LARGE_VOL_SUPPORT */
1674 data += sizeof( uint16_t );
1677 case VOLPBIT_BSIZE: /* block size */
1678 bsize = htonl(bsize);
1679 memcpy(data, &bsize, sizeof(bsize));
1680 data += sizeof(bsize);
1685 ad_close( &ad, ADFLAGS_HF );
1687 return( AFPERR_BITMAP );
1693 ashort = htons( data - buf );
1694 memcpy(nameoff, &ashort, sizeof( ashort ));
1695 /* name is always in mac charset */
1696 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1706 ad_close_metadata( &ad);
1708 *buflen = data - buf;
1712 /* ------------------------- */
1713 static int stat_vol(uint16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1719 if ( stat( vol->v_path, &st ) < 0 ) {
1721 return( AFPERR_PARAM );
1723 /* save the volume device number */
1724 vol->v_dev = st.st_dev;
1726 buflen = *rbuflen - sizeof( bitmap );
1727 if (( ret = getvolparams( bitmap, vol, &st,
1728 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1732 *rbuflen = buflen + sizeof( bitmap );
1733 bitmap = htons( bitmap );
1734 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1739 /* ------------------------------- */
1740 void load_volumes(AFPObj *obj)
1742 struct passwd *pwent;
1747 /* check files date */
1748 if (obj->options.defaultvol.loaded) {
1749 changed = volfile_changed(&obj->options.defaultvol);
1751 if (obj->options.systemvol.loaded) {
1752 changed |= volfile_changed(&obj->options.systemvol);
1754 if (obj->options.uservol.loaded) {
1755 changed |= volfile_changed(&obj->options.uservol);
1764 if (parent_or_child == 0) {
1765 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1767 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1770 pwent = getpwnam(obj->username);
1771 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1772 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1775 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1776 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1779 * Read user's AppleVolumes or .AppleVolumes file
1780 * If neither are readable, read the default volumes file. if
1781 * that doesn't work, create a user share.
1783 if (obj->options.uservol.name) {
1784 free(obj->options.uservol.name);
1786 obj->options.uservol.name = strdup(pwent->pw_dir);
1787 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1788 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1789 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1790 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1791 obj->options.defaultvol.name != NULL ) {
1792 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1793 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1796 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1797 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1800 if ( obj->options.closevol ) {
1803 for ( vol = Volumes; vol; vol = vol->v_next ) {
1804 if (vol->v_deleted && !vol->v_new ) {
1813 /* ------------------------------- */
1814 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1827 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1828 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1831 if ( stat( volume->v_path, &st ) < 0 ) {
1832 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1833 volume->v_path, strerror(errno) );
1834 continue; /* can't access directory */
1836 if (!S_ISDIR(st.st_mode)) {
1837 continue; /* not a dir */
1839 accessmode(volume->v_path, &ma, NULL, &st);
1840 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1841 continue; /* no r-x access */
1844 if (volume->v_hide) {
1845 continue; /* config file changed but the volume was mounted */
1848 if (utf8_encoding()) {
1849 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
1851 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
1854 if (len == (size_t)-1)
1857 /* set password bit if there's a volume password */
1858 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1860 /* Apple 2 clients running ProDOS-8 expect one volume to have
1861 bit 0 of this byte set. They will not recognize anything
1862 on the server unless this is the case. I have not
1863 completely worked this out, but it's related to booting
1864 from the server. Support for that function is a ways
1865 off.. <shirsch@ibm.net> */
1866 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1867 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1869 memcpy(data, namebuf, len );
1875 *rbuflen = data - rbuf;
1877 if ( gettimeofday( &tv, NULL ) < 0 ) {
1878 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1880 return AFPERR_PARAM;
1882 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1883 memcpy(data, &tv.tv_sec, sizeof( uint32_t));
1884 data += sizeof( uint32_t);
1889 /* ------------------------- */
1890 static int volume_codepage(AFPObj *obj, struct vol *volume)
1892 struct charset_functions *charset;
1895 if (!volume->v_volcodepage)
1896 volume->v_volcodepage = strdup("UTF8");
1898 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1899 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1903 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
1904 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1907 if (!volume->v_maccodepage)
1908 volume->v_maccodepage = strdup(obj->options.maccodepage);
1910 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1911 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1915 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
1916 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1919 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
1923 /* ------------------------- */
1924 static int volume_openDB(struct vol *volume)
1928 if ((volume->v_flags & AFPVOL_NODEV)) {
1929 flags |= CNID_FLAG_NODEV;
1932 if (volume->v_cnidscheme == NULL) {
1933 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1934 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
1935 volume->v_path, volume->v_cnidscheme);
1938 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
1939 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1940 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1943 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
1945 /* Legacy pre 2.1 way of sharing eg CD-ROM */
1946 if (strcmp(volume->v_cnidscheme, "last") == 0) {
1947 /* "last" is gone. We support it by switching to in-memory "tdb" */
1948 volume->v_cnidscheme = strdup("tdb");
1949 flags |= CNID_FLAG_MEMORY;
1952 /* New way of sharing CD-ROM */
1953 if (volume->v_flags & AFPVOL_CDROM) {
1954 flags |= CNID_FLAG_MEMORY;
1955 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
1956 free(volume->v_cnidscheme);
1957 volume->v_cnidscheme = strdup("tdb");
1958 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
1959 volume->v_path, volume->v_cnidscheme);
1964 volume->v_cdb = cnid_open(volume->v_path,
1966 volume->v_cnidscheme,
1968 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
1969 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
1971 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
1972 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
1973 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
1974 volume->v_path, volume->v_cnidscheme);
1975 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
1977 flags |= CNID_FLAG_MEMORY;
1978 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
1980 /* kill ourself with SIGUSR2 aka msg pending */
1981 if (volume->v_cdb) {
1982 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
1983 "Check server messages for details!");
1984 kill(getpid(), SIGUSR2);
1985 /* deactivate cnid caching/storing in AppleDouble files */
1986 volume->v_flags &= ~AFPVOL_CACHE;
1991 return (!volume->v_cdb)?-1:0;
1995 Check if the underlying filesystem supports EAs for ea:sys volumes.
1996 If not, switch to ea:ad.
1997 As we can't check (requires write access) on ro-volumes, we switch ea:auto
1998 volumes that are options:ro to ea:none.
2000 static void check_ea_sys_support(struct vol *vol)
2002 uid_t process_uid = 0;
2003 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2004 const char *eacontent = "yes";
2006 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2008 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2009 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2010 vol->v_vfs_ea = AFPVOL_EA_NONE;
2016 process_uid = geteuid();
2018 if (seteuid(0) == -1) {
2019 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2023 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2024 sys_removexattr(vol->v_path, eaname);
2025 vol->v_vfs_ea = AFPVOL_EA_SYS;
2027 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2029 vol->v_vfs_ea = AFPVOL_EA_AD;
2033 if (seteuid(process_uid) == -1) {
2034 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2041 /* -------------------------
2042 * we are the user here
2044 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2055 char path[ MAXPATHLEN + 1];
2061 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2062 bitmap = ntohs( bitmap );
2063 ibuf += sizeof( bitmap );
2066 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2067 return AFPERR_BITMAP;
2070 len = (unsigned char)*ibuf++;
2071 volname = obj->oldtmp;
2073 if ((volname_tmp = strchr(volname,'+')) != NULL)
2074 volname = volname_tmp+1;
2076 if (utf8_encoding()) {
2077 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2079 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2082 if ( namelen <= 0) {
2083 return AFPERR_PARAM;
2087 if ((len + 1) & 1) /* pad to an even boundary */
2092 for ( volume = Volumes; volume; volume = volume->v_next ) {
2093 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2098 if ( volume == NULL ) {
2099 return AFPERR_PARAM;
2102 /* check for a volume password */
2103 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2104 return AFPERR_ACCESS;
2107 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2108 /* the volume is already open */
2109 return stat_vol(bitmap, volume, rbuf, rbuflen);
2112 if (volume->v_root_preexec) {
2113 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2114 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2119 if (volume->v_preexec) {
2120 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2121 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2126 if ( stat( volume->v_path, &st ) < 0 ) {
2127 return AFPERR_PARAM;
2130 if ( chdir( volume->v_path ) < 0 ) {
2131 return AFPERR_PARAM;
2134 if ( NULL == getcwd(path, MAXPATHLEN)) {
2135 /* shouldn't be fatal but it will fail later */
2136 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2140 /* Normalize volume path */
2141 #ifdef REALPATH_TAKES_NULL
2142 if ((volume->v_path = realpath(path, NULL)) == NULL)
2145 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2147 if (realpath(path, volume->v_path) == NULL) {
2148 free(volume->v_path);
2151 /* Safe some memory */
2153 if ((tmp = strdup(volume->v_path)) == NULL) {
2154 free(volume->v_path);
2157 free(volume->v_path);
2158 volume->v_path = tmp;
2161 if (volume_codepage(obj, volume) < 0) {
2166 /* initialize volume variables
2169 if (utf8_encoding()) {
2170 volume->max_filename = UTF8FILELEN_EARLY;
2173 volume->max_filename = MACFILELEN;
2176 volume->v_flags |= AFPVOL_OPEN;
2177 volume->v_cdb = NULL;
2179 if (utf8_encoding()) {
2180 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2182 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2184 if ( !vol_mname || len <= 0) {
2189 if ((vol_uname = strrchr(path, '/')) == NULL)
2191 else if (*(vol_uname + 1) != '\0')
2194 if ((dir = dir_new(vol_mname,
2199 bfromcstr(volume->v_path),
2203 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2208 volume->v_root = dir;
2211 if (volume_openDB(volume) < 0) {
2212 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2213 volume->v_path, volume->v_cnidscheme);
2218 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2220 if (ret == AFP_OK) {
2221 handle_special_folders(volume);
2223 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2224 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2228 * If you mount a volume twice, the second time the trash appears on
2229 * the desk-top. That's because the Mac remembers the DID for the
2230 * trash (even for volumes in different zones, on different servers).
2231 * Just so this works better, we prime the DID cache with the trash,
2232 * fixing the trash at DID 17.
2233 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2235 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2237 /* FIXME find db time stamp */
2238 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2239 LOG (log_error, logtype_afpd,
2240 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2248 cname( volume, volume->v_root, &p );
2254 if (volume->v_root) {
2255 dir_free( volume->v_root );
2256 volume->v_root = NULL;
2259 volume->v_flags &= ~AFPVOL_OPEN;
2260 if (volume->v_cdb != NULL) {
2261 cnid_close(volume->v_cdb);
2262 volume->v_cdb = NULL;
2268 /* ------------------------- */
2269 static void closevol(struct vol *vol)
2274 dir_free( vol->v_root );
2276 if (vol->v_cdb != NULL) {
2277 cnid_close(vol->v_cdb);
2281 if (vol->v_postexec) {
2282 afprun(0, vol->v_postexec, NULL);
2284 if (vol->v_root_postexec) {
2285 afprun(1, vol->v_root_postexec, NULL);
2289 /* ------------------------- */
2290 void close_all_vol(void)
2294 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2295 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2296 ovol->v_flags &= ~AFPVOL_OPEN;
2302 /* ------------------------- */
2303 static void deletevol(struct vol *vol)
2307 vol->v_flags &= ~AFPVOL_OPEN;
2308 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2309 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2313 if ( ovol != NULL ) {
2314 /* Even if chdir fails, we can't say afp_closevol fails. */
2315 if ( chdir( ovol->v_path ) == 0 ) {
2316 curdir = ovol->v_root;
2321 if (vol->v_deleted) {
2322 showvol(vol->v_name);
2329 /* ------------------------- */
2330 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2337 memcpy(&vid, ibuf, sizeof( vid ));
2338 if (NULL == ( vol = getvolbyvid( vid )) ) {
2339 return( AFPERR_PARAM );
2348 /* ------------------------- */
2349 struct vol *getvolbyvid(const uint16_t vid )
2353 for ( vol = Volumes; vol; vol = vol->v_next ) {
2354 if ( vid == vol->v_vid ) {
2358 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2367 /* ------------------------ */
2368 static int ext_cmp_key(const void *key, const void *obj)
2370 const char *p = key;
2371 const struct extmap *em = obj;
2372 return strdiacasecmp(p, em->em_ext);
2374 struct extmap *getextmap(const char *path)
2379 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2380 return( Defextmap );
2384 return( Defextmap );
2386 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2390 return( Defextmap );
2394 /* ------------------------- */
2395 struct extmap *getdefextmap(void)
2397 return( Defextmap );
2400 /* --------------------------
2401 poll if a volume is changed by other processes.
2403 0 no attention msg sent
2404 1 attention msg sent
2405 -1 error (socket closed)
2407 Note: if attention return -1 no packet has been
2408 sent because the buffer is full, we don't care
2409 either there's no reader or there's a lot of
2410 traffic and another pollvoltime will follow
2412 int pollvoltime(AFPObj *obj)
2419 if (!(afp_version > 21 && obj->options.server_notif))
2422 if ( gettimeofday( &tv, NULL ) < 0 )
2425 for ( vol = Volumes; vol; vol = vol->v_next ) {
2426 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2427 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2428 vol->v_mtime = st.st_mtime;
2429 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2438 /* ------------------------- */
2439 void setvoltime(AFPObj *obj, struct vol *vol)
2443 if ( gettimeofday( &tv, NULL ) < 0 ) {
2444 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2447 if( utime( vol->v_path, NULL ) < 0 ) {
2448 /* write of time failed ... probably a read only filesys,
2449 * where no other users can interfere, so there's no issue here
2453 /* a little granularity */
2454 if (vol->v_mtime < tv.tv_sec) {
2455 vol->v_mtime = tv.tv_sec;
2456 /* or finder doesn't update free space
2457 * AFP 3.2 and above clients seem to be ok without so many notification
2459 if (afp_version < 32 && obj->options.server_notif) {
2460 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2465 /* ------------------------- */
2466 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2469 uint16_t vid, bitmap;
2472 memcpy(&vid, ibuf, sizeof( vid ));
2473 ibuf += sizeof( vid );
2474 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2475 bitmap = ntohs( bitmap );
2477 if (NULL == ( vol = getvolbyvid( vid )) ) {
2479 return( AFPERR_PARAM );
2482 return stat_vol(bitmap, vol, rbuf, rbuflen);
2485 /* ------------------------- */
2486 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2490 uint16_t vid, bitmap;
2496 memcpy(&vid, ibuf, sizeof( vid ));
2497 ibuf += sizeof( vid );
2498 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2499 bitmap = ntohs( bitmap );
2500 ibuf += sizeof(bitmap);
2502 if (( vol = getvolbyvid( vid )) == NULL ) {
2503 return( AFPERR_PARAM );
2506 if ((vol->v_flags & AFPVOL_RO))
2507 return AFPERR_VLOCK;
2509 /* we can only set the backup date. */
2510 if (bitmap != (1 << VOLPBIT_BDATE))
2511 return AFPERR_BITMAP;
2513 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2514 if ( ad_open(&ad, vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR) < 0 ) {
2516 return AFPERR_VLOCK;
2518 return AFPERR_ACCESS;
2521 memcpy(&aint, ibuf, sizeof(aint));
2522 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2524 ad_close(&ad, ADFLAGS_HF);
2528 /* ------------------------- */
2529 int wincheck(const struct vol *vol, const char *path)
2533 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2536 /* empty paths are not allowed */
2537 if ((len = strlen(path)) == 0)
2540 /* leading or trailing whitespaces are not allowed, carriage returns
2541 * and probably other whitespace is okay, tabs are not allowed
2543 if ((path[0] == ' ') || (path[len-1] == ' '))
2546 /* certain characters are not allowed */
2547 if (strpbrk(path, MSWINDOWS_BADCHARS))
2550 /* everything else is okay */
2556 * precreate a folder
2557 * this is only intended for folders in the volume root
2558 * It will *not* work if the folder name contains extended characters
2560 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2569 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2571 LOG(log_error, logtype_afpd,"malloc failed");
2575 q=strdup(folder->name);
2577 LOG(log_error, logtype_afpd,"malloc failed");
2581 strcpy(p, vol->v_path);
2586 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2588 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2594 if ( (ret = stat( p, &st )) < 0 ) {
2595 if (folder->precreate) {
2596 if (ad_mkdir(p, folder->mode)) {
2597 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2606 if ( !ret && folder->hide) {
2608 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2609 if (ad_open(&ad, p, ADFLAGS_HF | ADFLAGS_DIR, O_RDWR | O_CREAT, 0666) != 0) {
2615 ad_setname(&ad, folder->name);
2617 ad_getattr(&ad, &attr);
2618 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2619 ad_setattr(&ad, attr);
2621 /* do the same with the finder info */
2622 if (ad_entry(&ad, ADEID_FINDERI)) {
2623 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2624 attr |= htons(FINDERINFO_INVISIBLE);
2625 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2629 ad_close_metadata( &ad);
2636 static void handle_special_folders (const struct vol * vol)
2638 const _special_folder *p = &special_folders[0];
2641 process_uid = geteuid();
2643 if (seteuid(0) == -1) {
2648 for (; p->name != NULL; p++) {
2649 create_special_folder (vol, p);
2653 if (seteuid(process_uid) == -1) {
2654 LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
2660 const struct vol *getvolumes(void)
2665 void unload_volumes_and_extmap(void)
2667 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2673 * Get a volumes UUID from the config file.
2674 * If there is none, it is generated and stored there.
2676 * Returns pointer to allocated storage on success, NULL on error.
2678 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2681 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2683 struct stat tmpstat;
2686 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2687 /* scan in the conf file */
2688 while (fgets(buf, sizeof(buf), fp) != NULL) {
2690 while (p && isblank(*p))
2692 if (!p || (*p == '#') || (*p == '\n'))
2693 continue; /* invalid line */
2696 if ((volname_conf = strtok( p, "\"" )) == NULL)
2697 continue; /* syntax error */
2699 if ((volname_conf = strtok( p, " \t" )) == NULL)
2700 continue; /* syntax error: invalid name */
2702 p = strchr(p, '\0');
2705 continue; /* syntax error */
2707 if (strcmp(volname, volname_conf) != 0)
2708 continue; /* another volume name */
2710 while (p && isblank(*p))
2713 if (sscanf(p, "%36s", uuid) == 1 ) {
2714 for (int i=0; uuid[i]; i++)
2715 uuid[i] = toupper(uuid[i]);
2716 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2718 return strdup(uuid);
2726 /* not found or no file, reopen in append mode */
2728 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2729 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2730 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2731 obj->options.uuidconf, strerror(errno));
2734 if (( fp = fdopen( fd, "w" )) == NULL ) {
2735 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2736 obj->options.uuidconf, strerror(errno));
2740 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2741 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2742 obj->options.uuidconf, strerror(errno));
2745 fseek(fp, 0L, SEEK_END);
2746 if(ftell(fp) == 0) { /* size = 0 */
2747 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2748 fprintf(fp, "# This file is auto-generated by afpd\n");
2749 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2751 fseek(fp, -1L, SEEK_END);
2752 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2755 /* generate uuid and write to file */
2758 randombytes((void *)id, 16);
2759 cp = uuid_bin2string(id);
2761 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2763 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);