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>
41 #include <atalk/asp.h>
42 #include <atalk/dsi.h>
43 #include <atalk/adouble.h>
44 #include <atalk/afp.h>
45 #include <atalk/util.h>
46 #include <atalk/volinfo.h>
47 #include <atalk/logger.h>
48 #include <atalk/vfs.h>
49 #include <atalk/uuid.h>
50 #include <atalk/bstrlib.h>
51 #include <atalk/bstradd.h>
52 #include <atalk/ftw.h>
53 #include <atalk/globals.h>
54 #include <atalk/fce_api.h>
55 #include <atalk/errchk.h>
58 #include <atalk/cnid.h>
61 #include "directory.h"
70 extern int afprun(int root, char *cmd, int *outfd);
73 #define MIN(a, b) ((a) < (b) ? (a) : (b))
76 #ifndef UUID_PRINTABLE_STRING_LENGTH
77 #define UUID_PRINTABLE_STRING_LENGTH 37
81 struct vol *current_vol; /* last volume from getvolbyvid() */
83 static struct vol *Volumes = NULL;
84 static u_int16_t lastvid = 0;
85 static char *Trash = "\02\024Network Trash Folder";
87 static struct extmap *Extmap = NULL, *Defextmap = NULL;
88 static int Extmap_cnt;
89 static void free_extmap(void);
91 #define VOLOPT_ALLOW 0 /* user allow list */
92 #define VOLOPT_DENY 1 /* user deny list */
93 #define VOLOPT_RWLIST 2 /* user rw list */
94 #define VOLOPT_ROLIST 3 /* user ro list */
95 #define VOLOPT_PASSWORD 4 /* volume password */
96 #define VOLOPT_CASEFOLD 5 /* character case mangling */
97 #define VOLOPT_FLAGS 6 /* various flags */
98 #define VOLOPT_DBPATH 7 /* path to database */
99 #define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
101 #define VOLOPT_VETO 10 /* list of veto filespec */
102 #define VOLOPT_PREEXEC 11 /* preexec command */
103 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
104 #define VOLOPT_POSTEXEC 13 /* postexec command */
105 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
106 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
107 #define VOLOPT_MACCHARSET 16
108 #define VOLOPT_CNIDSCHEME 17
109 #define VOLOPT_ADOUBLE 18 /* adouble version */
115 #define VOLOPT_FORCEUID 19 /* force uid for username x */
116 #define VOLOPT_FORCEGID 20 /* force gid for group x */
117 #endif /* FORCE_UIDGID */
119 #define VOLOPT_UMASK 21
120 #define VOLOPT_ALLOWED_HOSTS 22
121 #define VOLOPT_DENIED_HOSTS 23
122 #define VOLOPT_DPERM 24 /* dperm default directories perms */
123 #define VOLOPT_FPERM 25 /* fperm default files perms */
124 #define VOLOPT_DFLTPERM 26 /* perm */
125 #define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
126 #define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
127 #define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
129 #define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
130 #define VOLOPT_NUM (VOLOPT_MAX + 1)
133 #define VOLOPT_DEFAULT ":DEFAULT:"
134 #define VOLOPT_DEFAULT_LEN 9
141 typedef struct _special_folder {
148 static const _special_folder special_folders[] = {
150 {"Network Trash Folder", 1, 0777, 1},
151 {"Temporary Items", 1, 0777, 1},
152 {".AppleDesktop", 1, 0777, 0},
153 {"TheFindByContentFolder", 0, 0, 1},
154 {"TheVolumeSettingsFolder", 0, 0, 1},
158 /* Forward declarations */
159 static void handle_special_folders (const struct vol *);
160 static void deletevol(struct vol *vol);
161 static void volume_free(struct vol *vol);
162 static void check_ea_sys_support(struct vol *vol);
163 static char *get_vol_uuid(const AFPObj *obj, const char *volname);
164 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1,char *p2, int user, struct passwd *pwent);
166 static void volfree(struct vol_option *options, const struct vol_option *save)
171 for (i = 0; i < VOLOPT_MAX; i++) {
172 if (options[i].c_value && (options[i].c_value != save[i].c_value))
173 free(options[i].c_value);
176 for (i = 0; i < VOLOPT_MAX; i++) {
177 if (options[i].c_value)
178 free(options[i].c_value);
184 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
187 * Handle variable substitutions. here's what we understand:
188 * $b -> basename of path
189 * $c -> client ip/appletalk address
190 * $d -> volume pathname on server
191 * $f -> full name (whatever's in the gecos field)
194 * $i -> client ip/appletalk address without port
195 * $s -> server name (hostname if it doesn't exist)
196 * $u -> username (guest is usually nobody)
197 * $v -> volume name or basename if null
198 * $z -> zone (may not exist)
201 * This get's called from readvolfile with
202 * path = NULL, volname = NULL for xlating the volumes path
203 * path = path, volname = NULL for xlating the volumes name
204 * ... and from volumes options parsing code when xlating eg dbpath with
205 * path = path, volname = volname
207 * Using this information we can reject xlation of any variable depeninding on a login
208 * context which is not given in the afp master, where we must evaluate this whole stuff
209 * too for the Zeroconf announcements.
211 static char *volxlate(AFPObj *obj,
224 int xlatevolname = 0;
226 if (parent_or_child == 0)
229 if (path && !volname)
237 dest = calloc(destlen +1, 1);
243 strlcpy(dest, src, destlen +1);
244 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
247 /* first part of the path. just forward to the next variable. */
248 len = MIN((size_t)(p - src), destlen);
254 while (p && destlen > 0) {
255 /* now figure out what the variable is */
257 if (is_var(p, "$b")) {
258 if (afpmaster && xlatevolname)
261 if ((q = strrchr(path, '/')) == NULL)
263 else if (*(q + 1) != '\0')
266 } else if (is_var(p, "$c")) {
267 if (afpmaster && xlatevolname)
270 if (obj->proto == AFPPROTO_ASP) {
271 ASP asp = obj->handle;
273 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
274 asp->asp_sat.sat_addr.s_node);
280 if (obj->proto == AFPPROTO_DSI) {
281 DSI *dsi = obj->handle;
282 len = sprintf(dest, "%s:%u",
283 getip_string((struct sockaddr *)&dsi->client),
284 getip_port((struct sockaddr *)&dsi->client));
288 } else if (is_var(p, "$d")) {
289 if (afpmaster && xlatevolname)
292 } else if (pwd && is_var(p, "$f")) {
293 if (afpmaster && xlatevolname)
295 if ((r = strchr(pwd->pw_gecos, ',')))
298 } else if (pwd && is_var(p, "$g")) {
299 if (afpmaster && xlatevolname)
301 struct group *grp = getgrgid(pwd->pw_gid);
304 } else if (is_var(p, "$h")) {
305 q = obj->options.hostname;
306 } else if (is_var(p, "$i")) {
307 if (afpmaster && xlatevolname)
310 if (obj->proto == AFPPROTO_ASP) {
311 ASP asp = obj->handle;
312 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
318 if (obj->proto == AFPPROTO_DSI) {
319 DSI *dsi = obj->handle;
320 q = getip_string((struct sockaddr *)&dsi->client);
322 } else if (is_var(p, "$s")) {
325 else if (obj->options.server) {
326 q = obj->options.server;
328 q = obj->options.hostname;
329 } else if (obj->username && is_var(p, "$u")) {
330 if (afpmaster && xlatevolname)
333 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
337 } else if (is_var(p, "$v")) {
338 if (afpmaster && xlatevolname)
344 if ((q = strrchr(path, '/')) == NULL)
346 else if (*(q + 1) != '\0')
349 } else if (is_var(p, "$z")) {
351 } else if (is_var(p, "$$")) {
356 /* copy the stuff over. if we don't understand something that we
357 * should, just skip it over. */
359 len = MIN(p == q ? 2 : strlen(q), destlen);
360 strncpy(dest, q, len);
365 /* stuff up to next $ */
367 p = strchr(src, '$');
368 len = p ? MIN((size_t)(p - src), destlen) : destlen;
370 strncpy(dest, src, len);
378 /* to make sure that val is valid, make sure to select an opt that
380 static int optionok(const char *buf, const char *opt, const char *val)
382 if (!strstr(buf,opt))
390 /* -------------------- */
391 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
393 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
394 free(options[opt].c_value);
395 options[opt].c_value = strdup(val + 1);
398 /* ------------------------------------------
399 handle all the options. tmp can't be NULL. */
400 static void volset(struct vol_option *options, struct vol_option *save,
401 char *volname, int vlen,
406 val = strchr(tmp, ':');
408 /* we'll assume it's a volume name. */
409 strncpy(volname, tmp, vlen);
414 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
416 if (optionok(tmp, "allow:", val)) {
417 setoption(options, save, VOLOPT_ALLOW, val);
419 } else if (optionok(tmp, "deny:", val)) {
420 setoption(options, save, VOLOPT_DENY, val);
422 } else if (optionok(tmp, "rwlist:", val)) {
423 setoption(options, save, VOLOPT_RWLIST, val);
425 } else if (optionok(tmp, "rolist:", val)) {
426 setoption(options, save, VOLOPT_ROLIST, val);
428 } else if (optionok(tmp, "codepage:", val)) {
429 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation!");
430 /* Make sure we don't screw anything */
432 } else if (optionok(tmp, "volcharset:", val)) {
433 setoption(options, save, VOLOPT_ENCODING, val);
434 } else if (optionok(tmp, "maccharset:", val)) {
435 setoption(options, save, VOLOPT_MACCHARSET, val);
436 } else if (optionok(tmp, "veto:", val)) {
437 setoption(options, save, VOLOPT_VETO, val);
438 } else if (optionok(tmp, "cnidscheme:", val)) {
439 setoption(options, save, VOLOPT_CNIDSCHEME, val);
440 } else if (optionok(tmp, "casefold:", val)) {
441 if (strcasecmp(val + 1, "tolower") == 0)
442 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
443 else if (strcasecmp(val + 1, "toupper") == 0)
444 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
445 else if (strcasecmp(val + 1, "xlatelower") == 0)
446 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
447 else if (strcasecmp(val + 1, "xlateupper") == 0)
448 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
449 } else if (optionok(tmp, "adouble:", val)) {
450 if (strcasecmp(val + 1, "v1") == 0)
451 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
452 #if AD_VERSION == AD_VERSION2
453 else if (strcasecmp(val + 1, "v2") == 0)
454 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
455 else if (strcasecmp(val + 1, "osx") == 0)
456 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
457 else if (strcasecmp(val + 1, "sfm") == 0)
458 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
460 } else if (optionok(tmp, "options:", val)) {
463 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
467 if (strcasecmp(p, "prodos") == 0)
468 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
469 else if (strcasecmp(p, "mswindows") == 0) {
470 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
471 } else if (strcasecmp(p, "crlf") == 0)
472 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
473 else if (strcasecmp(p, "noadouble") == 0)
474 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
475 else if (strcasecmp(p, "ro") == 0)
476 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
477 else if (strcasecmp(p, "nohex") == 0)
478 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
479 else if (strcasecmp(p, "usedots") == 0)
480 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
481 else if (strcasecmp(p, "invisibledots") == 0)
482 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
483 else if (strcasecmp(p, "limitsize") == 0)
484 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
485 /* support for either "dropbox" or "dropkludge" */
486 else if (strcasecmp(p, "dropbox") == 0)
487 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
488 else if (strcasecmp(p, "dropkludge") == 0)
489 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
490 else if (strcasecmp(p, "nofileid") == 0)
491 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
492 else if (strcasecmp(p, "nostat") == 0)
493 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
494 else if (strcasecmp(p, "preexec_close") == 0)
495 options[VOLOPT_PREEXEC].i_value = 1;
496 else if (strcasecmp(p, "root_preexec_close") == 0)
497 options[VOLOPT_ROOTPREEXEC].i_value = 1;
498 else if (strcasecmp(p, "upriv") == 0)
499 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
500 else if (strcasecmp(p, "nodev") == 0)
501 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
502 else if (strcasecmp(p, "caseinsensitive") == 0)
503 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
504 else if (strcasecmp(p, "illegalseq") == 0)
505 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
506 else if (strcasecmp(p, "nocnidcache") == 0)
507 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
508 else if (strcasecmp(p, "tm") == 0)
509 options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
510 else if (strcasecmp(p, "searchdb") == 0)
511 options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
512 else if (strcasecmp(p, "nonetids") == 0)
513 options[VOLOPT_FLAGS].i_value |= AFPVOL_NONETIDS;
514 else if (strcasecmp(p, "noacls") == 0)
515 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
516 p = strtok(NULL, ",");
519 } else if (optionok(tmp, "cnidserver:", val)) {
520 setoption(options, save, VOLOPT_CNIDSERVER, val);
522 char *p = strrchr(val + 1, ':');
525 setoption(options, save, VOLOPT_CNIDPORT, p);
528 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
529 volname, val + 1, p ? p + 1 : Cnid_port);
531 } else if (optionok(tmp, "dbpath:", val)) {
532 setoption(options, save, VOLOPT_DBPATH, val);
534 } else if (optionok(tmp, "umask:", val)) {
535 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
536 } else if (optionok(tmp, "dperm:", val)) {
537 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
538 } else if (optionok(tmp, "fperm:", val)) {
539 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
540 } else if (optionok(tmp, "perm:", val)) {
541 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
542 } else if (optionok(tmp, "password:", val)) {
543 setoption(options, save, VOLOPT_PASSWORD, val);
547 /* this code allows forced uid/gid per volume settings */
548 } else if (optionok(tmp, "forceuid:", val)) {
549 setoption(options, save, VOLOPT_FORCEUID, val);
550 } else if (optionok(tmp, "forcegid:", val)) {
551 setoption(options, save, VOLOPT_FORCEGID, val);
553 #endif /* FORCE_UIDGID */
554 } else if (optionok(tmp, "root_preexec:", val)) {
555 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
557 } else if (optionok(tmp, "preexec:", val)) {
558 setoption(options, save, VOLOPT_PREEXEC, val);
560 } else if (optionok(tmp, "root_postexec:", val)) {
561 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
563 } else if (optionok(tmp, "postexec:", val)) {
564 setoption(options, save, VOLOPT_POSTEXEC, val);
566 } else if (optionok(tmp, "allowed_hosts:", val)) {
567 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
569 } else if (optionok(tmp, "denied_hosts:", val)) {
570 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
572 } else if (optionok(tmp, "ea:", val)) {
573 if (strcasecmp(val + 1, "ad") == 0)
574 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
575 else if (strcasecmp(val + 1, "sys") == 0)
576 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
577 else if (strcasecmp(val + 1, "none") == 0)
578 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
580 } else if (optionok(tmp, "volsizelimit:", val)) {
581 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
584 /* ignore unknown options */
585 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
590 /* ----------------- */
591 static void showvol(const ucs2_t *name)
594 for ( volume = Volumes; volume; volume = volume->v_next ) {
595 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
602 /* ------------------------------- */
603 static int creatvol(AFPObj *obj, struct passwd *pwd,
604 char *path, char *name,
605 struct vol_option *options,
606 const int user /* user defined volume */
610 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
612 char tmpname[AFPVOL_U8MNAMELEN+1];
613 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
614 char suffix[6]; /* max is #FFFF */
617 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
619 if ( name == NULL || *name == '\0' ) {
620 if ((name = strrchr( path, '/' )) == NULL) {
621 return -1; /* Obviously not a fully qualified path */
624 /* if you wish to share /, you need to specify a name. */
629 /* suffix for mangling use (lastvid + 1) */
630 /* because v_vid has not been decided yet. */
631 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
633 vlen = strlen( name );
635 /* Unicode Volume Name */
636 /* Firstly convert name from unixcharset to UTF8-MAC */
638 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
640 strcpy(tmpname, "???");
644 /* Do we have to mangle ? */
645 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
646 if (tmpvlen + suffixlen > obj->options.volnamelen) {
648 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
649 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
651 strcat(tmpname, suffix);
652 tmpvlen = strlen(tmpname);
655 /* Secondly convert name from UTF8-MAC to UCS2 */
656 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
659 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
661 /* Maccharset Volume Name */
662 /* Firsty convert name from unixcharset to maccharset */
664 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
666 strcpy(tmpname, "???");
670 /* Do we have to mangle ? */
671 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
672 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
674 tmpvlen = convert_charset(obj->options.unixcharset,
675 obj->options.maccharset,
680 AFPVOL_MACNAMELEN - suffixlen,
682 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
684 strcat(tmpname, suffix);
685 tmpvlen = strlen(tmpname);
688 /* Secondly convert name from maccharset to UCS2 */
689 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
694 AFPVOL_U8MNAMELEN*2)) )
697 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
699 /* check duplicate */
700 for ( volume = Volumes; volume; volume = volume->v_next ) {
701 if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
703 (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
704 LOG (log_error, logtype_afpd,
705 "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
706 volume->v_localname, name);
707 if (volume->v_deleted) {
708 volume->v_new = hide = 1;
711 return -1; /* Won't be able to access it, anyway... */
716 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
717 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
720 if ( NULL == ( volume->v_localname = strdup(name))) {
721 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
726 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
727 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
732 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
733 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
738 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
739 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
745 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
746 volume->v_hide = hide;
747 strcpy( volume->v_path, path );
751 #endif /* __svr4__ */
752 /* os X start at 1 and use network order ie. 1 2 3 */
753 volume->v_vid = ++lastvid;
754 volume->v_vid = htons(volume->v_vid);
756 if (!check_vol_acl_support(volume)) {
757 LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
758 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
764 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
765 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
767 if (options[VOLOPT_EA_VFS].i_value)
768 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
770 volume->v_ad_options = 0;
771 if ((volume->v_flags & AFPVOL_NODEV))
772 volume->v_ad_options |= ADVOL_NODEV;
773 if ((volume->v_flags & AFPVOL_CACHE))
774 volume->v_ad_options |= ADVOL_CACHE;
775 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
776 volume->v_ad_options |= ADVOL_UNIXPRIV;
777 if ((volume->v_flags & AFPVOL_INV_DOTS))
778 volume->v_ad_options |= ADVOL_INVDOTS;
779 if ((volume->v_flags & AFPVOL_NOADOUBLE))
780 volume->v_ad_options |= ADVOL_NOADOUBLE;
782 if (options[VOLOPT_PASSWORD].c_value)
783 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
785 if (options[VOLOPT_VETO].c_value)
786 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
788 if (options[VOLOPT_ENCODING].c_value)
789 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
791 if (options[VOLOPT_MACCHARSET].c_value)
792 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
794 if (options[VOLOPT_DBPATH].c_value)
795 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
797 if (options[VOLOPT_CNIDSCHEME].c_value)
798 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
800 if (options[VOLOPT_CNIDSERVER].c_value)
801 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
803 if (options[VOLOPT_CNIDPORT].c_value)
804 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
806 if (options[VOLOPT_UMASK].i_value)
807 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
809 if (options[VOLOPT_DPERM].i_value)
810 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
812 if (options[VOLOPT_FPERM].i_value)
813 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
815 if (options[VOLOPT_DFLTPERM].i_value)
816 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
818 if (options[VOLOPT_ADOUBLE].i_value)
819 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
821 volume->v_adouble = AD_VERSION;
823 if (options[VOLOPT_LIMITSIZE].i_value)
824 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
826 /* Mac to Unix conversion flags*/
827 volume->v_mtou_flags = 0;
828 if (!(volume->v_flags & AFPVOL_NOHEX))
829 volume->v_mtou_flags |= CONV_ESCAPEHEX;
830 if (!(volume->v_flags & AFPVOL_USEDOTS))
831 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
832 if ((volume->v_flags & AFPVOL_EILSEQ))
833 volume->v_mtou_flags |= CONV__EILSEQ;
835 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
836 volume->v_mtou_flags |= CONV_TOUPPER;
837 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
838 volume->v_mtou_flags |= CONV_TOLOWER;
840 /* Unix to Mac conversion flags*/
841 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
842 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
843 volume->v_utom_flags |= CONV_TOUPPER;
844 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
845 volume->v_utom_flags |= CONV_TOLOWER;
847 if ((volume->v_flags & AFPVOL_EILSEQ))
848 volume->v_utom_flags |= CONV__EILSEQ;
851 if (options[VOLOPT_FORCEUID].c_value) {
852 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
854 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
857 if (options[VOLOPT_FORCEGID].c_value) {
858 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
860 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
864 if (options[VOLOPT_PREEXEC].c_value)
865 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
866 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
868 if (options[VOLOPT_POSTEXEC].c_value)
869 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
871 if (options[VOLOPT_ROOTPREEXEC].c_value)
872 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
873 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
875 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
876 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
879 volume->v_dperm |= volume->v_perm;
880 volume->v_fperm |= volume->v_perm;
882 /* Check EA support on volume */
883 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
884 check_ea_sys_support(volume);
887 /* get/store uuid from file in afpd master*/
888 if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
889 char *uuid = get_vol_uuid(obj, volume->v_localname);
891 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
892 volume->v_localname);
894 volume->v_uuid = uuid;
895 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
896 volume->v_localname, volume->v_uuid);
900 volume->v_next = Volumes;
905 /* ---------------- */
906 static char *myfgets( char *buf, int size, FILE *fp)
912 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
913 if ( c == '\n' || c == '\r' ) {
914 if (p != buf && *(p -1) == '\\') {
936 /* check access list. this function wants something of the following
938 * @group,name,name2,@group2,name3
940 * a NULL argument allows everybody to have access.
941 * we return three things:
943 * 0: list exists, but name isn't in it
947 #ifndef NO_REAL_USER_NAME
948 /* authentication is case insensitive
949 * FIXME should we do the same with group name?
951 #define access_strcmp strcasecmp
954 #define access_strcmp strcmp
958 static int accessvol(const char *args, const char *name)
960 char buf[MAXPATHLEN + 1], *p;
966 strlcpy(buf, args, sizeof(buf));
967 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
971 if (*p == '@') { /* it's a group */
972 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
974 } else if (access_strcmp(p, name) == 0) /* it's a user name */
976 p = strtok(NULL, ",");
982 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
985 char buf[MAXPATHLEN + 1], *p, *b;
986 DSI *dsi = obj->handle;
987 struct sockaddr_storage client;
992 strlcpy(buf, args, sizeof(buf));
993 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
996 if (obj->proto != AFPPROTO_DSI)
1001 char *ipaddr, *mask_char;
1002 struct addrinfo hints, *ai;
1004 ipaddr = strtok(p, "/");
1005 mask_char = strtok(NULL,"/");
1007 /* Get address from string with getaddrinfo */
1008 memset(&hints, 0, sizeof hints);
1009 hints.ai_family = AF_UNSPEC;
1010 hints.ai_socktype = SOCK_STREAM;
1011 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
1012 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
1017 if (mask_char != NULL)
1018 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
1020 if (ai->ai_family == AF_INET) /* IPv4 */
1026 /* Apply mask to addresses */
1027 client = dsi->client;
1028 apply_ip_mask((struct sockaddr *)&client, mask_int);
1029 apply_ip_mask(ai->ai_addr, mask_int);
1031 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
1032 if (type == VOLOPT_DENIED_HOSTS)
1033 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
1034 getip_string((struct sockaddr *)&client), volname);
1041 p = strtok_r(NULL, ",", &b);
1044 if (type == VOLOPT_ALLOWED_HOSTS)
1045 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
1046 getip_string((struct sockaddr *)&dsi->client), volname);
1050 static void setextmap(char *ext, char *type, char *creator, int user)
1055 if (Extmap == NULL) {
1056 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
1057 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
1062 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
1063 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
1068 if ( em->em_ext == NULL ) {
1069 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
1070 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
1073 (Extmap +cnt +1)->em_ext = NULL;
1075 } else if ( !user ) {
1081 if (!(em->em_ext = strdup( ext))) {
1082 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1086 if ( *type == '\0' ) {
1087 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1089 memcpy(em->em_type, type, sizeof( em->em_type ));
1091 if ( *creator == '\0' ) {
1092 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1094 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1098 /* -------------------------- */
1099 static int extmap_cmp(const void *map1, const void *map2)
1101 const struct extmap *em1 = map1;
1102 const struct extmap *em2 = map2;
1103 return strdiacasecmp(em1->em_ext, em2->em_ext);
1106 static void sortextmap( void)
1111 if ((em = Extmap) == NULL) {
1114 while (em->em_ext) {
1119 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1120 if (*Extmap->em_ext == 0) {
1121 /* the first line is really "." the default entry,
1122 * we remove the leading '.' in setextmap
1129 /* ----------------------
1131 static void free_extmap( void)
1136 for ( em = Extmap; em->em_ext; em++) {
1146 /* ----------------------
1148 static int volfile_changed(struct afp_volume_name *p)
1154 name = p->full_name;
1158 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1159 p->mtime = st.st_mtime;
1165 /* ----------------------
1166 * Read a volume configuration file and add the volumes contained within to
1167 * the global volume list. This gets called from the forked afpd childs.
1168 * The master now reads this too for Zeroconf announcements.
1170 * If p2 is non-NULL, the file that is opened is
1173 * Lines that begin with # and blank lines are ignored.
1174 * Volume lines are of the form:
1175 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1176 * [codepage:<file>] [casefold:<num>]
1177 * <extension> TYPE [CREATOR]
1180 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1183 char path[MAXPATHLEN + 1];
1184 char tmp[MAXPATHLEN + 1];
1185 char volname[AFPVOL_U8MNAMELEN + 1];
1187 char type[5], creator[5];
1192 struct vol_option save_options[VOLOPT_NUM];
1193 struct vol_option default_options[VOLOPT_NUM];
1194 struct vol_option options[VOLOPT_NUM];
1200 strcpy( path, p1->name );
1202 strcat( path, "/" );
1204 if (p1->full_name) {
1205 free(p1->full_name);
1207 p1->full_name = strdup(path);
1210 if (NULL == ( fp = fopen( path, "r" )) ) {
1214 if (fd != -1 && !fstat( fd, &st) ) {
1215 p1->mtime = st.st_mtime;
1218 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1221 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1224 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1225 if ( fclose( fp ) != 0 ) {
1226 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1236 memset(default_options, 0, sizeof(default_options));
1238 /* Enable some default options for all volumes */
1239 default_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1241 default_options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
1243 default_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1244 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1245 obj->options.umask);
1246 default_options[VOLOPT_UMASK].i_value = obj->options.umask;
1247 memcpy(save_options, default_options, sizeof(options));
1249 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1251 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1252 initline( strlen( buf ), buf );
1253 parseline( sizeof( path ) - 1, path );
1260 /* change the default options for this file */
1261 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1262 volfree(default_options, save_options);
1263 memcpy(default_options, save_options, sizeof(options));
1265 for (i = 0; i < VOLOPT_NUM; i++) {
1266 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1267 path + VOLOPT_DEFAULT_LEN) < 0)
1269 volset(default_options, NULL, tmp, sizeof(tmp) - 1,
1270 path + VOLOPT_DEFAULT_LEN);
1276 if (( p = strchr( path, '/' )) != NULL ) {
1284 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1287 strcpy( tmp, pw->pw_dir );
1288 if ( p != NULL && *p != '\0' ) {
1295 /* send path through variable substitution */
1296 if (*path != '~') /* need to copy path to tmp */
1298 if (!pwent && obj->username)
1299 pwent = getpwnam(obj->username);
1301 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1304 /* this is sort of braindead. basically, i want to be
1305 * able to specify things in any order, but i don't want to
1306 * re-write everything. */
1308 memcpy(options, default_options, sizeof(options));
1311 /* read in up to VOLOP_NUM possible options */
1312 for (i = 0; i < VOLOPT_NUM; i++) {
1313 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1316 volset(options, default_options, volname, sizeof(volname) - 1, tmp);
1319 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1320 allow -> either no list (-1), or in list (1)
1321 deny -> either no list (-1), or not in list (0) */
1322 if (parent_or_child == 0
1324 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1325 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1326 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1327 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1329 /* handle read-only behaviour. semantics:
1330 * 1) neither the rolist nor the rwlist exist -> rw
1331 * 2) rolist exists -> ro if user is in it.
1332 * 3) rwlist exists -> ro unless user is in it. */
1333 if (parent_or_child == 1
1335 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1337 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1338 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1339 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1341 /* do variable substitution for volname */
1342 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1345 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1347 volfree(options, default_options);
1351 parseline( sizeof( type ) - 1, type );
1352 parseline( sizeof( creator ) - 1, creator );
1353 setextmap( path, type, creator, user);
1360 volfree(save_options, NULL);
1362 if ( fclose( fp ) != 0 ) {
1363 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1369 /* ------------------------------- */
1370 static void volume_free(struct vol *vol)
1372 free(vol->v_localname);
1373 vol->v_localname = NULL;
1374 free(vol->v_u8mname);
1375 vol->v_u8mname = NULL;
1376 free(vol->v_macname);
1377 vol->v_macname = NULL;
1379 free(vol->v_password);
1381 free(vol->v_volcodepage);
1382 free(vol->v_maccodepage);
1383 free(vol->v_cnidscheme);
1384 free(vol->v_dbpath);
1387 free(vol->v_forceuid);
1388 free(vol->v_forcegid);
1389 #endif /* FORCE_UIDGID */
1394 /* ------------------------------- */
1395 static void free_volumes(void )
1398 struct vol *nvol, *ovol;
1400 for ( vol = Volumes; vol; vol = vol->v_next ) {
1401 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1408 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1411 if (vol->v_localname == NULL) {
1412 if (Volumes == vol) {
1417 ovol->v_next = nvol;
1427 /* ------------------------------- */
1428 static void volume_unlink(struct vol *volume)
1430 struct vol *vol, *ovol, *nvol;
1432 if (volume == Volumes) {
1433 Volumes = Volumes->v_next;
1436 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1439 if (vol == volume) {
1440 ovol->v_next = nvol;
1449 * Read band-size info from Info.plist XML file of an TM sparsebundle
1451 * @param path (r) path to Info.plist file
1452 * @return band-size in bytes, -1 on error
1454 static long long int get_tm_bandsize(const char *path)
1459 long long int bandsize = -1;
1461 EC_NULL_LOGSTR( file = fopen(path, "r"),
1462 "get_tm_bandsize(\"%s\"): %s",
1463 path, strerror(errno) );
1465 while (fgets(buf, sizeof(buf), file) != NULL) {
1466 if (strstr(buf, "band-size") == NULL)
1469 if (fscanf(file, " <integer>%lld</integer>", &bandsize) != 1) {
1470 LOG(log_error, logtype_afpd, "get_tm_bandsize(\"%s\"): can't parse band-size", path);
1479 LOG(log_debug, logtype_afpd, "get_tm_bandsize(\"%s\"): bandsize: %lld", path, bandsize);
1484 * Return number on entries in a directory
1486 * @param path (r) path to dir
1487 * @return number of entries, -1 on error
1489 static long long int get_tm_bands(const char *path)
1492 long long int count = 0;
1494 const struct dirent *entry;
1496 EC_NULL( dir = opendir(path) );
1498 while ((entry = readdir(dir)) != NULL)
1500 count -= 2; /* All OSens I'm aware of return "." and "..", so just substract them, avoiding string comparison in loop */
1511 * Calculate used size of a TimeMachine volume
1513 * This assumes that the volume is used only for TimeMachine.
1515 * 1) readdir(path of volume)
1516 * 2) for every element that matches regex "\(.*\)\.sparsebundle$" :
1517 * 3) parse "\1.sparsebundle/Info.plist" and read the band-size XML key integer value
1518 * 4) readdir "\1.sparsebundle/bands/" counting files
1519 * 5) calculate used size as: (file_count - 1) * band-size
1521 * The result of the calculation is returned in "volume->v_tm_used".
1522 * "volume->v_appended" gets reset to 0.
1523 * "volume->v_tm_cachetime" is updated with the current time from time(NULL).
1525 * "volume->v_tm_used" is cached for TM_USED_CACHETIME seconds and updated by
1526 * "volume->v_appended". The latter is increased by X every time the client
1527 * appends X bytes to a file (in fork.c).
1529 * @param vol (rw) volume to calculate
1530 * @return 0 on success, -1 on error
1532 #define TM_USED_CACHETIME 60 /* cache for 60 seconds */
1533 static int get_tm_used(struct vol * restrict vol)
1536 long long int bandsize;
1538 bstring infoplist = NULL;
1539 bstring bandsdir = NULL;
1541 const struct dirent *entry;
1545 time_t now = time(NULL);
1547 if (vol->v_tm_cachetime
1548 && ((vol->v_tm_cachetime + TM_USED_CACHETIME) >= now)) {
1549 if (vol->v_tm_used == -1)
1551 vol->v_tm_used += vol->v_appended;
1552 vol->v_appended = 0;
1553 LOG(log_debug, logtype_afpd, "getused(\"%s\"): cached: %" PRIu64 " bytes",
1554 vol->v_path, vol->v_tm_used);
1558 vol->v_tm_cachetime = now;
1560 EC_NULL( dir = opendir(vol->v_path) );
1562 while ((entry = readdir(dir)) != NULL) {
1563 if (((p = strstr(entry->d_name, "sparsebundle")) != NULL)
1564 && (strlen(entry->d_name) == (p + strlen("sparsebundle") - entry->d_name))) {
1566 EC_NULL_LOG( infoplist = bformat("%s/%s/%s", vol->v_path, entry->d_name, "Info.plist") );
1568 if ((bandsize = get_tm_bandsize(cfrombstr(infoplist))) == -1)
1571 EC_NULL_LOG( bandsdir = bformat("%s/%s/%s/", vol->v_path, entry->d_name, "bands") );
1573 if ((links = get_tm_bands(cfrombstr(bandsdir))) == -1)
1576 used += (links - 1) * bandsize;
1577 LOG(log_debug, logtype_afpd, "getused(\"%s\"): bands: %" PRIu64 " bytes",
1578 cfrombstr(bandsdir), used);
1582 vol->v_tm_used = used;
1586 bdestroy(infoplist);
1592 LOG(log_debug, logtype_afpd, "getused(\"%s\"): %" PRIu64 " bytes", vol->v_path, vol->v_tm_used);
1597 static int getvolspace(struct vol *vol,
1598 u_int32_t *bfree, u_int32_t *btotal,
1599 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1604 #ifndef NO_QUOTA_SUPPORT
1605 VolSpace qfree, qtotal;
1608 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1609 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1610 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1611 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1612 ? 0x7fffffffL : 0xffffffffL);
1615 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1616 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1617 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1618 goto getvolspace_done;
1623 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1627 #ifndef NO_QUOTA_SUPPORT
1628 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1629 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1630 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1631 *xbfree = MIN(*xbfree, qfree);
1632 *xbtotal = MIN(*xbtotal, qtotal);
1633 goto getvolspace_done;
1637 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1640 if (vol->v_limitsize) {
1641 if (get_tm_used(vol) != 0)
1644 *xbtotal = MIN(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1645 *xbfree = MIN(*xbfree, *xbtotal < vol->v_tm_used ? 0 : *xbtotal - vol->v_tm_used);
1647 LOG(log_debug, logtype_afpd,
1648 "volparams: total: %" PRIu64 ", used: %" PRIu64 ", free: %" PRIu64 " bytes",
1649 *xbtotal, vol->v_tm_used, *xbfree);
1652 *bfree = MIN(*xbfree, maxsize);
1653 *btotal = MIN(*xbtotal, maxsize);
1657 #define FCE_TM_DELTA 10 /* send notification every 10 seconds */
1658 void vol_fce_tm_event(void)
1661 time_t now = time(NULL);
1662 struct vol *vol = Volumes;
1664 if ((last + FCE_TM_DELTA) < now) {
1666 for ( ; vol; vol = vol->v_next ) {
1667 if (vol->v_flags & AFPVOL_TM)
1668 (void)fce_register_tm_size(vol->v_path, vol->v_tm_used + vol->v_appended);
1673 /* -----------------------
1674 * set volume creation date
1675 * avoid duplicate, well at least it tries
1677 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1680 struct vol *vol = Volumes;
1682 for ( volume = Volumes; volume; volume = volume->v_next ) {
1683 if (volume->v_vid == id) {
1686 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1688 volume = Volumes; /* restart */
1691 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1692 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1695 /* ----------------------- */
1696 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1699 int bit = 0, isad = 1;
1702 u_int32_t bfree, btotal, bsize;
1703 VolSpace xbfree, xbtotal; /* extended bytes */
1704 char *data, *nameoff = NULL;
1707 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1709 /* courtesy of jallison@whistle.com:
1710 * For MacOS8.x support we need to create the
1711 * .Parent file here if it doesn't exist. */
1713 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1714 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1716 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1718 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1719 slash = strrchr( vol->v_path, '/' );
1723 slash = vol->v_path;
1724 if (ad_getentryoff(&ad, ADEID_NAME)) {
1725 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1726 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1727 ad_getentrylen( &ad, ADEID_NAME ));
1729 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1733 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1734 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1736 vol->v_ctime = aint;
1739 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1740 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1741 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1742 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1743 &bsize) != AFP_OK ) {
1745 ad_close( &ad, ADFLAGS_HF );
1747 return( AFPERR_PARAM );
1752 while ( bitmap != 0 ) {
1753 while (( bitmap & 1 ) == 0 ) {
1761 /* check for read-only.
1762 * NOTE: we don't actually set the read-only flag unless
1763 * it's passed in that way as it's possible to mount
1764 * a read-write filesystem under a read-only one. */
1765 if ((vol->v_flags & AFPVOL_RO) ||
1766 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1767 ashort |= VOLPBIT_ATTR_RO;
1769 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1770 if (afp_version > 20) {
1771 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1772 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1773 ashort |= VOLPBIT_ATTR_FILEID;
1775 ashort |= VOLPBIT_ATTR_CATSEARCH;
1777 if (afp_version >= 30) {
1778 ashort |= VOLPBIT_ATTR_UTF8;
1779 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1780 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1781 if (vol->v_flags & AFPVOL_TM)
1782 ashort |= VOLPBIT_ATTR_TM;
1783 if (vol->v_flags & AFPVOL_NONETIDS)
1784 ashort |= VOLPBIT_ATTR_NONETIDS;
1785 if (afp_version >= 32) {
1787 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1788 if (vol->v_flags & AFPVOL_ACLS)
1789 ashort |= VOLPBIT_ATTR_ACLS;
1793 ashort = htons(ashort);
1794 memcpy(data, &ashort, sizeof( ashort ));
1795 data += sizeof( ashort );
1799 ashort = htons( AFPVOLSIG_DEFAULT );
1800 memcpy(data, &ashort, sizeof( ashort ));
1801 data += sizeof( ashort );
1804 case VOLPBIT_CDATE :
1805 aint = vol->v_ctime;
1806 memcpy(data, &aint, sizeof( aint ));
1807 data += sizeof( aint );
1810 case VOLPBIT_MDATE :
1811 if ( st->st_mtime > vol->v_mtime ) {
1812 vol->v_mtime = st->st_mtime;
1814 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1815 memcpy(data, &aint, sizeof( aint ));
1816 data += sizeof( aint );
1819 case VOLPBIT_BDATE :
1820 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1821 aint = AD_DATE_START;
1822 memcpy(data, &aint, sizeof( aint ));
1823 data += sizeof( aint );
1827 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1828 data += sizeof( vol->v_vid );
1831 case VOLPBIT_BFREE :
1832 bfree = htonl( bfree );
1833 memcpy(data, &bfree, sizeof( bfree ));
1834 data += sizeof( bfree );
1837 case VOLPBIT_BTOTAL :
1838 btotal = htonl( btotal );
1839 memcpy(data, &btotal, sizeof( btotal ));
1840 data += sizeof( btotal );
1843 #ifndef NO_LARGE_VOL_SUPPORT
1844 case VOLPBIT_XBFREE :
1845 xbfree = hton64( xbfree );
1846 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1847 bcopy(&xbfree, data, sizeof(xbfree));
1848 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1849 memcpy(data, &xbfree, sizeof( xbfree ));
1850 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1851 data += sizeof( xbfree );
1854 case VOLPBIT_XBTOTAL :
1855 xbtotal = hton64( xbtotal );
1856 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1857 bcopy(&xbtotal, data, sizeof(xbtotal));
1858 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1859 memcpy(data, &xbtotal, sizeof( xbtotal ));
1860 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1861 data += sizeof( xbfree );
1863 #endif /* ! NO_LARGE_VOL_SUPPORT */
1867 data += sizeof( u_int16_t );
1870 case VOLPBIT_BSIZE: /* block size */
1871 bsize = htonl(bsize);
1872 memcpy(data, &bsize, sizeof(bsize));
1873 data += sizeof(bsize);
1878 ad_close( &ad, ADFLAGS_HF );
1880 return( AFPERR_BITMAP );
1886 ashort = htons( data - buf );
1887 memcpy(nameoff, &ashort, sizeof( ashort ));
1888 /* name is always in mac charset */
1889 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1899 ad_close_metadata( &ad);
1901 *buflen = data - buf;
1905 /* ------------------------- */
1906 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1912 if ( stat( vol->v_path, &st ) < 0 ) {
1914 return( AFPERR_PARAM );
1916 /* save the volume device number */
1917 vol->v_dev = st.st_dev;
1919 buflen = *rbuflen - sizeof( bitmap );
1920 if (( ret = getvolparams( bitmap, vol, &st,
1921 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1925 *rbuflen = buflen + sizeof( bitmap );
1926 bitmap = htons( bitmap );
1927 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1932 /* ------------------------------- */
1933 void load_volumes(AFPObj *obj)
1935 struct passwd *pwent;
1940 /* check files date */
1941 if (obj->options.defaultvol.loaded) {
1942 changed = volfile_changed(&obj->options.defaultvol);
1944 if (obj->options.systemvol.loaded) {
1945 changed |= volfile_changed(&obj->options.systemvol);
1947 if (obj->options.uservol.loaded) {
1948 changed |= volfile_changed(&obj->options.uservol);
1957 if (parent_or_child == 0) {
1958 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1960 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1963 pwent = getpwnam(obj->username);
1964 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1965 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1968 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1969 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1972 * Read user's AppleVolumes or .AppleVolumes file
1973 * If neither are readable, read the default volumes file. if
1974 * that doesn't work, create a user share.
1976 if (obj->options.uservol.name) {
1977 free(obj->options.uservol.name);
1979 obj->options.uservol.name = strdup(pwent->pw_dir);
1980 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1981 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1982 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1983 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1984 obj->options.defaultvol.name != NULL ) {
1985 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1986 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1989 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1990 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1993 if ( obj->options.closevol ) {
1996 for ( vol = Volumes; vol; vol = vol->v_next ) {
1997 if (vol->v_deleted && !vol->v_new ) {
2006 /* ------------------------------- */
2007 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2020 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
2021 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
2024 if ( stat( volume->v_path, &st ) < 0 ) {
2025 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
2026 volume->v_path, strerror(errno) );
2027 continue; /* can't access directory */
2029 if (!S_ISDIR(st.st_mode)) {
2030 continue; /* not a dir */
2032 accessmode(volume, volume->v_path, &ma, NULL, &st);
2033 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
2034 continue; /* no r-x access */
2037 if (volume->v_hide) {
2038 continue; /* config file changed but the volume was mounted */
2041 if (utf8_encoding()) {
2042 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
2044 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
2047 if (len == (size_t)-1)
2050 /* set password bit if there's a volume password */
2051 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
2053 /* Apple 2 clients running ProDOS-8 expect one volume to have
2054 bit 0 of this byte set. They will not recognize anything
2055 on the server unless this is the case. I have not
2056 completely worked this out, but it's related to booting
2057 from the server. Support for that function is a ways
2058 off.. <shirsch@ibm.net> */
2059 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
2060 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
2062 memcpy(data, namebuf, len );
2068 *rbuflen = data - rbuf;
2070 if ( gettimeofday( &tv, NULL ) < 0 ) {
2071 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
2073 return AFPERR_PARAM;
2075 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
2076 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
2077 data += sizeof( u_int32_t);
2082 /* ------------------------- */
2083 static int volume_codepage(AFPObj *obj, struct vol *volume)
2085 struct charset_functions *charset;
2088 if (!volume->v_volcodepage)
2089 volume->v_volcodepage = strdup("UTF8");
2091 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
2092 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
2096 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
2097 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
2100 if (!volume->v_maccodepage)
2101 volume->v_maccodepage = strdup(obj->options.maccodepage);
2103 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
2104 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
2108 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
2109 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
2112 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
2116 /* ------------------------- */
2117 static int volume_openDB(struct vol *volume)
2121 if ((volume->v_flags & AFPVOL_NODEV)) {
2122 flags |= CNID_FLAG_NODEV;
2125 if (volume->v_cnidscheme == NULL) {
2126 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
2127 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
2128 volume->v_path, volume->v_cnidscheme);
2131 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
2132 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2133 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2136 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
2138 /* Legacy pre 2.1 way of sharing eg CD-ROM */
2139 if (strcmp(volume->v_cnidscheme, "last") == 0) {
2140 /* "last" is gone. We support it by switching to in-memory "tdb" */
2141 volume->v_cnidscheme = strdup("tdb");
2142 flags |= CNID_FLAG_MEMORY;
2145 /* New way of sharing CD-ROM */
2146 if (volume->v_flags & AFPVOL_CDROM) {
2147 flags |= CNID_FLAG_MEMORY;
2148 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
2149 free(volume->v_cnidscheme);
2150 volume->v_cnidscheme = strdup("tdb");
2151 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
2152 volume->v_path, volume->v_cnidscheme);
2157 volume->v_cdb = cnid_open(volume->v_path,
2159 volume->v_cnidscheme,
2161 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2162 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2164 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
2165 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
2166 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
2167 volume->v_path, volume->v_cnidscheme);
2168 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
2170 flags |= CNID_FLAG_MEMORY;
2171 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
2173 /* kill ourself with SIGUSR2 aka msg pending */
2174 if (volume->v_cdb) {
2175 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
2176 "Check server messages for details!");
2177 kill(getpid(), SIGUSR2);
2178 /* deactivate cnid caching/storing in AppleDouble files */
2179 volume->v_flags &= ~AFPVOL_CACHE;
2184 return (!volume->v_cdb)?-1:0;
2188 Check if the underlying filesystem supports EAs for ea:sys volumes.
2189 If not, switch to ea:ad.
2190 As we can't check (requires write access) on ro-volumes, we switch ea:auto
2191 volumes that are options:ro to ea:none.
2193 static void check_ea_sys_support(struct vol *vol)
2195 uid_t process_uid = 0;
2196 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2197 const char *eacontent = "yes";
2199 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2201 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2202 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2203 vol->v_vfs_ea = AFPVOL_EA_NONE;
2209 process_uid = geteuid();
2211 if (seteuid(0) == -1) {
2212 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2216 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2217 sys_removexattr(vol->v_path, eaname);
2218 vol->v_vfs_ea = AFPVOL_EA_SYS;
2220 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2222 vol->v_vfs_ea = AFPVOL_EA_AD;
2226 if (seteuid(process_uid) == -1) {
2227 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2234 /* -------------------------
2235 * we are the user here
2237 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2248 char path[ MAXPATHLEN + 1];
2254 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2255 bitmap = ntohs( bitmap );
2256 ibuf += sizeof( bitmap );
2259 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2260 return AFPERR_BITMAP;
2263 len = (unsigned char)*ibuf++;
2264 volname = obj->oldtmp;
2266 if ((volname_tmp = strchr(volname,'+')) != NULL)
2267 volname = volname_tmp+1;
2269 if (utf8_encoding()) {
2270 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2272 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2275 if ( namelen <= 0) {
2276 return AFPERR_PARAM;
2280 if ((len + 1) & 1) /* pad to an even boundary */
2285 for ( volume = Volumes; volume; volume = volume->v_next ) {
2286 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2291 if ( volume == NULL ) {
2292 return AFPERR_PARAM;
2295 /* check for a volume password */
2296 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2297 return AFPERR_ACCESS;
2300 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2301 /* the volume is already open */
2303 set_uidgid ( volume );
2305 return stat_vol(bitmap, volume, rbuf, rbuflen);
2308 if (volume->v_root_preexec) {
2309 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2310 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2316 set_uidgid ( volume );
2319 if (volume->v_preexec) {
2320 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2321 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2326 if ( stat( volume->v_path, &st ) < 0 ) {
2327 return AFPERR_PARAM;
2330 if ( chdir( volume->v_path ) < 0 ) {
2331 return AFPERR_PARAM;
2334 if ( NULL == getcwd(path, MAXPATHLEN)) {
2335 /* shouldn't be fatal but it will fail later */
2336 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2340 /* Normalize volume path */
2341 #ifdef REALPATH_TAKES_NULL
2342 if ((volume->v_path = realpath(path, NULL)) == NULL)
2345 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2347 if (realpath(path, volume->v_path) == NULL) {
2348 free(volume->v_path);
2351 /* Safe some memory */
2353 if ((tmp = strdup(volume->v_path)) == NULL) {
2354 free(volume->v_path);
2357 free(volume->v_path);
2358 volume->v_path = tmp;
2361 if (volume_codepage(obj, volume) < 0) {
2366 /* initialize volume variables
2369 if (utf8_encoding()) {
2370 volume->max_filename = UTF8FILELEN_EARLY;
2373 volume->max_filename = MACFILELEN;
2376 volume->v_flags |= AFPVOL_OPEN;
2377 volume->v_cdb = NULL;
2379 if (utf8_encoding()) {
2380 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2382 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2384 if ( !vol_mname || len <= 0) {
2389 if ((vol_uname = strrchr(path, '/')) == NULL)
2391 else if (*(vol_uname + 1) != '\0')
2394 if ((dir = dir_new(vol_mname,
2399 bfromcstr(volume->v_path),
2403 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2408 volume->v_root = dir;
2411 if (volume_openDB(volume) < 0) {
2412 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2413 volume->v_path, volume->v_cnidscheme);
2418 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2420 if (ret == AFP_OK) {
2421 handle_special_folders(volume);
2423 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2424 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2428 * If you mount a volume twice, the second time the trash appears on
2429 * the desk-top. That's because the Mac remembers the DID for the
2430 * trash (even for volumes in different zones, on different servers).
2431 * Just so this works better, we prime the DID cache with the trash,
2432 * fixing the trash at DID 17.
2433 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2435 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2437 /* FIXME find db time stamp */
2438 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2439 LOG (log_error, logtype_afpd,
2440 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2448 cname( volume, volume->v_root, &p );
2454 if (volume->v_root) {
2455 dir_free( volume->v_root );
2456 volume->v_root = NULL;
2459 volume->v_flags &= ~AFPVOL_OPEN;
2460 if (volume->v_cdb != NULL) {
2461 cnid_close(volume->v_cdb);
2462 volume->v_cdb = NULL;
2468 /* ------------------------- */
2469 static void closevol(struct vol *vol)
2474 dir_free( vol->v_root );
2476 if (vol->v_cdb != NULL) {
2477 cnid_close(vol->v_cdb);
2481 if (vol->v_postexec) {
2482 afprun(0, vol->v_postexec, NULL);
2484 if (vol->v_root_postexec) {
2485 afprun(1, vol->v_root_postexec, NULL);
2489 /* ------------------------- */
2490 void close_all_vol(void)
2494 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2495 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2496 ovol->v_flags &= ~AFPVOL_OPEN;
2502 /* ------------------------- */
2503 static void deletevol(struct vol *vol)
2507 vol->v_flags &= ~AFPVOL_OPEN;
2508 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2509 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2513 if ( ovol != NULL ) {
2514 /* Even if chdir fails, we can't say afp_closevol fails. */
2515 if ( chdir( ovol->v_path ) == 0 ) {
2516 curdir = ovol->v_root;
2521 if (vol->v_deleted) {
2522 showvol(vol->v_name);
2529 /* ------------------------- */
2530 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2537 memcpy(&vid, ibuf, sizeof( vid ));
2538 if (NULL == ( vol = getvolbyvid( vid )) ) {
2539 return( AFPERR_PARAM );
2548 /* ------------------------- */
2549 struct vol *getvolbyvid(const u_int16_t vid )
2553 for ( vol = Volumes; vol; vol = vol->v_next ) {
2554 if ( vid == vol->v_vid ) {
2558 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2564 #endif /* FORCE_UIDGID */
2571 /* ------------------------ */
2572 static int ext_cmp_key(const void *key, const void *obj)
2574 const char *p = key;
2575 const struct extmap *em = obj;
2576 return strdiacasecmp(p, em->em_ext);
2578 struct extmap *getextmap(const char *path)
2583 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2584 return( Defextmap );
2588 return( Defextmap );
2590 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2594 return( Defextmap );
2598 /* ------------------------- */
2599 struct extmap *getdefextmap(void)
2601 return( Defextmap );
2604 /* --------------------------
2605 poll if a volume is changed by other processes.
2607 0 no attention msg sent
2608 1 attention msg sent
2609 -1 error (socket closed)
2611 Note: if attention return -1 no packet has been
2612 sent because the buffer is full, we don't care
2613 either there's no reader or there's a lot of
2614 traffic and another pollvoltime will follow
2616 int pollvoltime(AFPObj *obj)
2623 if (!(afp_version > 21 && obj->options.server_notif))
2626 if ( gettimeofday( &tv, NULL ) < 0 )
2629 for ( vol = Volumes; vol; vol = vol->v_next ) {
2630 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2631 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2632 vol->v_mtime = st.st_mtime;
2633 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2642 /* ------------------------- */
2643 void setvoltime(AFPObj *obj, struct vol *vol)
2647 if ( gettimeofday( &tv, NULL ) < 0 ) {
2648 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2651 if( utime( vol->v_path, NULL ) < 0 ) {
2652 /* write of time failed ... probably a read only filesys,
2653 * where no other users can interfere, so there's no issue here
2657 /* a little granularity */
2658 if (vol->v_mtime < tv.tv_sec) {
2659 vol->v_mtime = tv.tv_sec;
2660 /* or finder doesn't update free space
2661 * AFP 3.2 and above clients seem to be ok without so many notification
2663 if (afp_version < 32 && obj->options.server_notif) {
2664 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2669 /* ------------------------- */
2670 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2673 u_int16_t vid, bitmap;
2676 memcpy(&vid, ibuf, sizeof( vid ));
2677 ibuf += sizeof( vid );
2678 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2679 bitmap = ntohs( bitmap );
2681 if (NULL == ( vol = getvolbyvid( vid )) ) {
2683 return( AFPERR_PARAM );
2686 return stat_vol(bitmap, vol, rbuf, rbuflen);
2689 /* ------------------------- */
2690 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2694 u_int16_t vid, bitmap;
2700 memcpy(&vid, ibuf, sizeof( vid ));
2701 ibuf += sizeof( vid );
2702 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2703 bitmap = ntohs( bitmap );
2704 ibuf += sizeof(bitmap);
2706 if (( vol = getvolbyvid( vid )) == NULL ) {
2707 return( AFPERR_PARAM );
2710 if ((vol->v_flags & AFPVOL_RO))
2711 return AFPERR_VLOCK;
2713 /* we can only set the backup date. */
2714 if (bitmap != (1 << VOLPBIT_BDATE))
2715 return AFPERR_BITMAP;
2717 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2718 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2721 return AFPERR_VLOCK;
2723 return AFPERR_ACCESS;
2726 memcpy(&aint, ibuf, sizeof(aint));
2727 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2729 ad_close(&ad, ADFLAGS_HF);
2733 /* ------------------------- */
2734 int wincheck(const struct vol *vol, const char *path)
2738 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2741 /* empty paths are not allowed */
2742 if ((len = strlen(path)) == 0)
2745 /* leading or trailing whitespaces are not allowed, carriage returns
2746 * and probably other whitespace is okay, tabs are not allowed
2748 if ((path[0] == ' ') || (path[len-1] == ' '))
2751 /* certain characters are not allowed */
2752 if (strpbrk(path, MSWINDOWS_BADCHARS))
2755 /* everything else is okay */
2761 * precreate a folder
2762 * this is only intended for folders in the volume root
2763 * It will *not* work if the folder name contains extended characters
2765 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2774 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2776 LOG(log_error, logtype_afpd,"malloc failed");
2780 q=strdup(folder->name);
2782 LOG(log_error, logtype_afpd,"malloc failed");
2786 strcpy(p, vol->v_path);
2791 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2793 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2799 if ( (ret = stat( p, &st )) < 0 ) {
2800 if (folder->precreate) {
2801 if (ad_mkdir(p, folder->mode)) {
2802 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2811 if ( !ret && folder->hide) {
2813 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2814 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2820 ad_setname(&ad, folder->name);
2822 ad_getattr(&ad, &attr);
2823 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2824 ad_setattr(&ad, attr);
2826 /* do the same with the finder info */
2827 if (ad_entry(&ad, ADEID_FINDERI)) {
2828 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2829 attr |= htons(FINDERINFO_INVISIBLE);
2830 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2834 ad_close_metadata( &ad);
2841 static void handle_special_folders (const struct vol * vol)
2843 const _special_folder *p = &special_folders[0];
2846 process_uid = geteuid();
2848 if (seteuid(0) == -1) {
2853 for (; p->name != NULL; p++) {
2854 create_special_folder (vol, p);
2858 if (seteuid(process_uid) == -1) {
2859 LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
2865 const struct vol *getvolumes(void)
2870 void unload_volumes_and_extmap(void)
2872 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2878 * Get a volumes UUID from the config file.
2879 * If there is none, it is generated and stored there.
2881 * Returns pointer to allocated storage on success, NULL on error.
2883 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2886 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2888 struct stat tmpstat;
2891 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2892 /* scan in the conf file */
2893 while (fgets(buf, sizeof(buf), fp) != NULL) {
2895 while (p && isblank(*p))
2897 if (!p || (*p == '#') || (*p == '\n'))
2898 continue; /* invalid line */
2901 if ((volname_conf = strtok( p, "\"" )) == NULL)
2902 continue; /* syntax error */
2904 if ((volname_conf = strtok( p, " \t" )) == NULL)
2905 continue; /* syntax error: invalid name */
2907 p = strchr(p, '\0');
2910 continue; /* syntax error */
2912 if (strcmp(volname, volname_conf) != 0)
2913 continue; /* another volume name */
2915 while (p && isblank(*p))
2918 if (sscanf(p, "%36s", uuid) == 1 ) {
2919 for (int i=0; uuid[i]; i++)
2920 uuid[i] = toupper(uuid[i]);
2921 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2923 return strdup(uuid);
2931 /* not found or no file, reopen in append mode */
2933 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2934 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2935 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2936 obj->options.uuidconf, strerror(errno));
2939 if (( fp = fdopen( fd, "w" )) == NULL ) {
2940 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2941 obj->options.uuidconf, strerror(errno));
2945 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2946 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2947 obj->options.uuidconf, strerror(errno));
2950 fseek(fp, 0L, SEEK_END);
2951 if(ftell(fp) == 0) { /* size = 0 */
2952 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2953 fprintf(fp, "# This file is auto-generated by afpd\n");
2954 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2956 fseek(fp, -1L, SEEK_END);
2957 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2960 /* generate uuid and write to file */
2963 randombytes((void *)id, 16);
2964 cp = uuid_bin2string(id);
2966 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2968 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);