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[] = {
149 {"Network Trash Folder", 1, 0777, 1},
150 {"Temporary Items", 1, 0777, 1},
151 {".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 else if (strcasecmp(p, "followsymlinks") == 0)
517 options[VOLOPT_FLAGS].i_value |= AFPVOL_FOLLOWSYM;
518 p = strtok(NULL, ",");
521 } else if (optionok(tmp, "cnidserver:", val)) {
522 setoption(options, save, VOLOPT_CNIDSERVER, val);
524 char *p = strrchr(val + 1, ':');
527 setoption(options, save, VOLOPT_CNIDPORT, p);
530 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
531 volname, val + 1, p ? p + 1 : Cnid_port);
533 } else if (optionok(tmp, "dbpath:", val)) {
534 setoption(options, save, VOLOPT_DBPATH, val);
536 } else if (optionok(tmp, "umask:", val)) {
537 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
538 } else if (optionok(tmp, "dperm:", val)) {
539 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
540 } else if (optionok(tmp, "fperm:", val)) {
541 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
542 } else if (optionok(tmp, "perm:", val)) {
543 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
544 } else if (optionok(tmp, "password:", val)) {
545 setoption(options, save, VOLOPT_PASSWORD, val);
549 /* this code allows forced uid/gid per volume settings */
550 } else if (optionok(tmp, "forceuid:", val)) {
551 setoption(options, save, VOLOPT_FORCEUID, val);
552 } else if (optionok(tmp, "forcegid:", val)) {
553 setoption(options, save, VOLOPT_FORCEGID, val);
555 #endif /* FORCE_UIDGID */
556 } else if (optionok(tmp, "root_preexec:", val)) {
557 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
559 } else if (optionok(tmp, "preexec:", val)) {
560 setoption(options, save, VOLOPT_PREEXEC, val);
562 } else if (optionok(tmp, "root_postexec:", val)) {
563 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
565 } else if (optionok(tmp, "postexec:", val)) {
566 setoption(options, save, VOLOPT_POSTEXEC, val);
568 } else if (optionok(tmp, "allowed_hosts:", val)) {
569 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
571 } else if (optionok(tmp, "denied_hosts:", val)) {
572 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
574 } else if (optionok(tmp, "ea:", val)) {
575 if (strcasecmp(val + 1, "ad") == 0)
576 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
577 else if (strcasecmp(val + 1, "sys") == 0)
578 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
579 else if (strcasecmp(val + 1, "none") == 0)
580 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
582 } else if (optionok(tmp, "volsizelimit:", val)) {
583 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
586 /* ignore unknown options */
587 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
592 /* ----------------- */
593 static void showvol(const ucs2_t *name)
596 for ( volume = Volumes; volume; volume = volume->v_next ) {
597 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
604 /* ------------------------------- */
605 static int creatvol(AFPObj *obj, struct passwd *pwd,
606 char *path, char *name,
607 struct vol_option *options,
608 const int user /* user defined volume */
612 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
614 char tmpname[AFPVOL_U8MNAMELEN+1];
615 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
616 char suffix[6]; /* max is #FFFF */
619 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
621 if ( name == NULL || *name == '\0' ) {
622 if ((name = strrchr( path, '/' )) == NULL) {
623 return -1; /* Obviously not a fully qualified path */
626 /* if you wish to share /, you need to specify a name. */
631 /* suffix for mangling use (lastvid + 1) */
632 /* because v_vid has not been decided yet. */
633 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
635 vlen = strlen( name );
637 /* Unicode Volume Name */
638 /* Firstly convert name from unixcharset to UTF8-MAC */
640 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
642 strcpy(tmpname, "???");
646 /* Do we have to mangle ? */
647 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
648 if (tmpvlen + suffixlen > obj->options.volnamelen) {
650 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
651 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
653 strcat(tmpname, suffix);
654 tmpvlen = strlen(tmpname);
657 /* Secondly convert name from UTF8-MAC to UCS2 */
658 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
661 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
663 /* Maccharset Volume Name */
664 /* Firsty convert name from unixcharset to maccharset */
666 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
668 strcpy(tmpname, "???");
672 /* Do we have to mangle ? */
673 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
674 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
676 tmpvlen = convert_charset(obj->options.unixcharset,
677 obj->options.maccharset,
682 AFPVOL_MACNAMELEN - suffixlen,
684 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
686 strcat(tmpname, suffix);
687 tmpvlen = strlen(tmpname);
690 /* Secondly convert name from maccharset to UCS2 */
691 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
696 AFPVOL_U8MNAMELEN*2)) )
699 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
701 /* check duplicate */
702 for ( volume = Volumes; volume; volume = volume->v_next ) {
703 if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
705 (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
706 LOG (log_error, logtype_afpd,
707 "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
708 volume->v_localname, name);
709 if (volume->v_deleted) {
710 volume->v_new = hide = 1;
713 return -1; /* Won't be able to access it, anyway... */
718 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
719 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
722 if ( NULL == ( volume->v_localname = strdup(name))) {
723 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
728 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
729 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
734 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
735 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
740 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
741 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
747 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
748 volume->v_hide = hide;
749 strcpy( volume->v_path, path );
753 #endif /* __svr4__ */
754 /* os X start at 1 and use network order ie. 1 2 3 */
755 volume->v_vid = ++lastvid;
756 volume->v_vid = htons(volume->v_vid);
758 if (!check_vol_acl_support(volume)) {
759 LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
760 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
766 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
767 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
769 if (options[VOLOPT_EA_VFS].i_value)
770 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
772 volume->v_ad_options = 0;
773 if ((volume->v_flags & AFPVOL_NODEV))
774 volume->v_ad_options |= ADVOL_NODEV;
775 if ((volume->v_flags & AFPVOL_CACHE))
776 volume->v_ad_options |= ADVOL_CACHE;
777 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
778 volume->v_ad_options |= ADVOL_UNIXPRIV;
779 if ((volume->v_flags & AFPVOL_INV_DOTS))
780 volume->v_ad_options |= ADVOL_INVDOTS;
781 if ((volume->v_flags & AFPVOL_NOADOUBLE))
782 volume->v_ad_options |= ADVOL_NOADOUBLE;
783 if ((volume->v_flags & AFPVOL_FOLLOWSYM))
784 volume->v_ad_options |= ADVOL_FOLLO_SYML;
786 if (options[VOLOPT_PASSWORD].c_value)
787 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
789 if (options[VOLOPT_VETO].c_value)
790 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
792 if (options[VOLOPT_ENCODING].c_value)
793 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
795 if (options[VOLOPT_MACCHARSET].c_value)
796 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
798 if (options[VOLOPT_DBPATH].c_value)
799 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
801 if (options[VOLOPT_CNIDSCHEME].c_value)
802 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
804 if (options[VOLOPT_CNIDSERVER].c_value)
805 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
807 if (options[VOLOPT_CNIDPORT].c_value)
808 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
810 if (options[VOLOPT_UMASK].i_value)
811 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
813 if (options[VOLOPT_DPERM].i_value)
814 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
816 if (options[VOLOPT_FPERM].i_value)
817 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
819 if (options[VOLOPT_DFLTPERM].i_value)
820 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
822 if (options[VOLOPT_ADOUBLE].i_value)
823 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
825 volume->v_adouble = AD_VERSION;
827 if (options[VOLOPT_LIMITSIZE].i_value)
828 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
830 /* Mac to Unix conversion flags*/
831 volume->v_mtou_flags = 0;
832 if (!(volume->v_flags & AFPVOL_NOHEX))
833 volume->v_mtou_flags |= CONV_ESCAPEHEX;
834 if (!(volume->v_flags & AFPVOL_USEDOTS))
835 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
836 if ((volume->v_flags & AFPVOL_EILSEQ))
837 volume->v_mtou_flags |= CONV__EILSEQ;
839 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
840 volume->v_mtou_flags |= CONV_TOUPPER;
841 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
842 volume->v_mtou_flags |= CONV_TOLOWER;
844 /* Unix to Mac conversion flags*/
845 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
846 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
847 volume->v_utom_flags |= CONV_TOUPPER;
848 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
849 volume->v_utom_flags |= CONV_TOLOWER;
851 if ((volume->v_flags & AFPVOL_EILSEQ))
852 volume->v_utom_flags |= CONV__EILSEQ;
855 if (options[VOLOPT_FORCEUID].c_value) {
856 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
858 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
861 if (options[VOLOPT_FORCEGID].c_value) {
862 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
864 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
868 if (options[VOLOPT_PREEXEC].c_value)
869 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
870 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
872 if (options[VOLOPT_POSTEXEC].c_value)
873 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
875 if (options[VOLOPT_ROOTPREEXEC].c_value)
876 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
877 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
879 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
880 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
883 volume->v_dperm |= volume->v_perm;
884 volume->v_fperm |= volume->v_perm;
886 /* Check EA support on volume */
887 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
888 check_ea_sys_support(volume);
891 /* get/store uuid from file in afpd master*/
892 if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
893 char *uuid = get_vol_uuid(obj, volume->v_localname);
895 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
896 volume->v_localname);
898 volume->v_uuid = uuid;
899 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
900 volume->v_localname, volume->v_uuid);
904 volume->v_next = Volumes;
909 /* ---------------- */
910 static char *myfgets( char *buf, int size, FILE *fp)
916 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
917 if ( c == '\n' || c == '\r' ) {
918 if (p != buf && *(p -1) == '\\') {
940 /* check access list. this function wants something of the following
942 * @group,name,name2,@group2,name3
944 * a NULL argument allows everybody to have access.
945 * we return three things:
947 * 0: list exists, but name isn't in it
951 #ifndef NO_REAL_USER_NAME
952 /* authentication is case insensitive
953 * FIXME should we do the same with group name?
955 #define access_strcmp strcasecmp
958 #define access_strcmp strcmp
962 static int accessvol(const char *args, const char *name)
964 char buf[MAXPATHLEN + 1], *p;
970 strlcpy(buf, args, sizeof(buf));
971 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
975 if (*p == '@') { /* it's a group */
976 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
978 } else if (access_strcmp(p, name) == 0) /* it's a user name */
980 p = strtok(NULL, ",");
986 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
989 char buf[MAXPATHLEN + 1], *p, *b;
990 DSI *dsi = obj->handle;
991 struct sockaddr_storage client;
996 strlcpy(buf, args, sizeof(buf));
997 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
1000 if (obj->proto != AFPPROTO_DSI)
1005 char *ipaddr, *mask_char;
1006 struct addrinfo hints, *ai;
1008 ipaddr = strtok(p, "/");
1009 mask_char = strtok(NULL,"/");
1011 /* Get address from string with getaddrinfo */
1012 memset(&hints, 0, sizeof hints);
1013 hints.ai_family = AF_UNSPEC;
1014 hints.ai_socktype = SOCK_STREAM;
1015 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
1016 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
1021 if (mask_char != NULL)
1022 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
1024 if (ai->ai_family == AF_INET) /* IPv4 */
1030 /* Apply mask to addresses */
1031 client = dsi->client;
1032 apply_ip_mask((struct sockaddr *)&client, mask_int);
1033 apply_ip_mask(ai->ai_addr, mask_int);
1035 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
1036 if (type == VOLOPT_DENIED_HOSTS)
1037 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
1038 getip_string((struct sockaddr *)&client), volname);
1045 p = strtok_r(NULL, ",", &b);
1048 if (type == VOLOPT_ALLOWED_HOSTS)
1049 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
1050 getip_string((struct sockaddr *)&dsi->client), volname);
1054 static void setextmap(char *ext, char *type, char *creator, int user)
1059 if (Extmap == NULL) {
1060 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
1061 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
1066 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
1067 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
1072 if ( em->em_ext == NULL ) {
1073 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
1074 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
1077 (Extmap +cnt +1)->em_ext = NULL;
1079 } else if ( !user ) {
1085 if (!(em->em_ext = strdup( ext))) {
1086 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1090 if ( *type == '\0' ) {
1091 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1093 memcpy(em->em_type, type, sizeof( em->em_type ));
1095 if ( *creator == '\0' ) {
1096 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1098 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1102 /* -------------------------- */
1103 static int extmap_cmp(const void *map1, const void *map2)
1105 const struct extmap *em1 = map1;
1106 const struct extmap *em2 = map2;
1107 return strdiacasecmp(em1->em_ext, em2->em_ext);
1110 static void sortextmap( void)
1115 if ((em = Extmap) == NULL) {
1118 while (em->em_ext) {
1123 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1124 if (*Extmap->em_ext == 0) {
1125 /* the first line is really "." the default entry,
1126 * we remove the leading '.' in setextmap
1133 /* ----------------------
1135 static void free_extmap( void)
1140 for ( em = Extmap; em->em_ext; em++) {
1150 /* ----------------------
1152 static int volfile_changed(struct afp_volume_name *p)
1158 name = p->full_name;
1162 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1163 p->mtime = st.st_mtime;
1169 /* ----------------------
1170 * Read a volume configuration file and add the volumes contained within to
1171 * the global volume list. This gets called from the forked afpd childs.
1172 * The master now reads this too for Zeroconf announcements.
1174 * If p2 is non-NULL, the file that is opened is
1177 * Lines that begin with # and blank lines are ignored.
1178 * Volume lines are of the form:
1179 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1180 * [codepage:<file>] [casefold:<num>]
1181 * <extension> TYPE [CREATOR]
1184 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1187 char path[MAXPATHLEN + 1];
1188 char tmp[MAXPATHLEN + 1];
1189 char volname[AFPVOL_U8MNAMELEN + 1];
1191 char type[5], creator[5];
1196 struct vol_option save_options[VOLOPT_NUM];
1197 struct vol_option default_options[VOLOPT_NUM];
1198 struct vol_option options[VOLOPT_NUM];
1204 strcpy( path, p1->name );
1206 strcat( path, "/" );
1208 if (p1->full_name) {
1209 free(p1->full_name);
1211 p1->full_name = strdup(path);
1214 if (NULL == ( fp = fopen( path, "r" )) ) {
1218 if (fd != -1 && !fstat( fd, &st) ) {
1219 p1->mtime = st.st_mtime;
1222 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1225 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1228 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1229 if ( fclose( fp ) != 0 ) {
1230 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1240 memset(default_options, 0, sizeof(default_options));
1242 /* Enable some default options for all volumes */
1243 default_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1245 default_options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
1247 default_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1248 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1249 obj->options.umask);
1250 default_options[VOLOPT_UMASK].i_value = obj->options.umask;
1251 memcpy(save_options, default_options, sizeof(options));
1253 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1255 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1256 initline( strlen( buf ), buf );
1257 parseline( sizeof( path ) - 1, path );
1264 /* change the default options for this file */
1265 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1266 volfree(default_options, save_options);
1267 memcpy(default_options, save_options, sizeof(options));
1269 for (i = 0; i < VOLOPT_NUM; i++) {
1270 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1271 path + VOLOPT_DEFAULT_LEN) < 0)
1273 volset(default_options, NULL, tmp, sizeof(tmp) - 1,
1274 path + VOLOPT_DEFAULT_LEN);
1280 if (( p = strchr( path, '/' )) != NULL ) {
1288 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1291 strcpy( tmp, pw->pw_dir );
1292 if ( p != NULL && *p != '\0' ) {
1299 /* send path through variable substitution */
1300 if (*path != '~') /* need to copy path to tmp */
1302 if (!pwent && obj->username)
1303 pwent = getpwnam(obj->username);
1305 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1308 /* this is sort of braindead. basically, i want to be
1309 * able to specify things in any order, but i don't want to
1310 * re-write everything. */
1312 memcpy(options, default_options, sizeof(options));
1315 /* read in up to VOLOP_NUM possible options */
1316 for (i = 0; i < VOLOPT_NUM; i++) {
1317 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1320 volset(options, default_options, volname, sizeof(volname) - 1, tmp);
1323 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1324 allow -> either no list (-1), or in list (1)
1325 deny -> either no list (-1), or not in list (0) */
1326 if (parent_or_child == 0
1328 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1329 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1330 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1331 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1333 /* handle read-only behaviour. semantics:
1334 * 1) neither the rolist nor the rwlist exist -> rw
1335 * 2) rolist exists -> ro if user is in it.
1336 * 3) rwlist exists -> ro unless user is in it. */
1337 if (parent_or_child == 1
1339 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1341 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1342 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1343 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1345 /* do variable substitution for volname */
1346 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1349 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1351 volfree(options, default_options);
1355 parseline( sizeof( type ) - 1, type );
1356 parseline( sizeof( creator ) - 1, creator );
1357 setextmap( path, type, creator, user);
1364 volfree(save_options, NULL);
1366 if ( fclose( fp ) != 0 ) {
1367 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1373 /* ------------------------------- */
1374 static void volume_free(struct vol *vol)
1376 free(vol->v_localname);
1377 vol->v_localname = NULL;
1378 free(vol->v_u8mname);
1379 vol->v_u8mname = NULL;
1380 free(vol->v_macname);
1381 vol->v_macname = NULL;
1383 free(vol->v_password);
1385 free(vol->v_volcodepage);
1386 free(vol->v_maccodepage);
1387 free(vol->v_cnidscheme);
1388 free(vol->v_dbpath);
1391 free(vol->v_forceuid);
1392 free(vol->v_forcegid);
1393 #endif /* FORCE_UIDGID */
1398 /* ------------------------------- */
1399 static void free_volumes(void )
1402 struct vol *nvol, *ovol;
1404 for ( vol = Volumes; vol; vol = vol->v_next ) {
1405 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1412 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1415 if (vol->v_localname == NULL) {
1416 if (Volumes == vol) {
1421 ovol->v_next = nvol;
1431 /* ------------------------------- */
1432 static void volume_unlink(struct vol *volume)
1434 struct vol *vol, *ovol, *nvol;
1436 if (volume == Volumes) {
1437 Volumes = Volumes->v_next;
1440 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1443 if (vol == volume) {
1444 ovol->v_next = nvol;
1453 * Read band-size info from Info.plist XML file of an TM sparsebundle
1455 * @param path (r) path to Info.plist file
1456 * @return band-size in bytes, -1 on error
1458 static long long int get_tm_bandsize(const char *path)
1463 long long int bandsize = -1;
1465 EC_NULL_LOGSTR( file = fopen(path, "r"),
1466 "get_tm_bandsize(\"%s\"): %s",
1467 path, strerror(errno) );
1469 while (fgets(buf, sizeof(buf), file) != NULL) {
1470 if (strstr(buf, "band-size") == NULL)
1473 if (fscanf(file, " <integer>%lld</integer>", &bandsize) != 1) {
1474 LOG(log_error, logtype_afpd, "get_tm_bandsize(\"%s\"): can't parse band-size", path);
1483 LOG(log_debug, logtype_afpd, "get_tm_bandsize(\"%s\"): bandsize: %lld", path, bandsize);
1488 * Return number on entries in a directory
1490 * @param path (r) path to dir
1491 * @return number of entries, -1 on error
1493 static long long int get_tm_bands(const char *path)
1496 long long int count = 0;
1498 const struct dirent *entry;
1500 EC_NULL( dir = opendir(path) );
1502 while ((entry = readdir(dir)) != NULL)
1504 count -= 2; /* All OSens I'm aware of return "." and "..", so just substract them, avoiding string comparison in loop */
1515 * Calculate used size of a TimeMachine volume
1517 * This assumes that the volume is used only for TimeMachine.
1519 * 1) readdir(path of volume)
1520 * 2) for every element that matches regex "\(.*\)\.sparsebundle$" :
1521 * 3) parse "\1.sparsebundle/Info.plist" and read the band-size XML key integer value
1522 * 4) readdir "\1.sparsebundle/bands/" counting files
1523 * 5) calculate used size as: (file_count - 1) * band-size
1525 * The result of the calculation is returned in "volume->v_tm_used".
1526 * "volume->v_appended" gets reset to 0.
1527 * "volume->v_tm_cachetime" is updated with the current time from time(NULL).
1529 * "volume->v_tm_used" is cached for TM_USED_CACHETIME seconds and updated by
1530 * "volume->v_appended". The latter is increased by X every time the client
1531 * appends X bytes to a file (in fork.c).
1533 * @param vol (rw) volume to calculate
1534 * @return 0 on success, -1 on error
1536 #define TM_USED_CACHETIME 60 /* cache for 60 seconds */
1537 static int get_tm_used(struct vol * restrict vol)
1540 long long int bandsize;
1542 bstring infoplist = NULL;
1543 bstring bandsdir = NULL;
1545 const struct dirent *entry;
1549 time_t now = time(NULL);
1551 if (vol->v_tm_cachetime
1552 && ((vol->v_tm_cachetime + TM_USED_CACHETIME) >= now)) {
1553 if (vol->v_tm_used == -1)
1555 vol->v_tm_used += vol->v_appended;
1556 vol->v_appended = 0;
1557 LOG(log_debug, logtype_afpd, "getused(\"%s\"): cached: %" PRIu64 " bytes",
1558 vol->v_path, vol->v_tm_used);
1562 vol->v_tm_cachetime = now;
1564 EC_NULL( dir = opendir(vol->v_path) );
1566 while ((entry = readdir(dir)) != NULL) {
1567 if (((p = strstr(entry->d_name, "sparsebundle")) != NULL)
1568 && (strlen(entry->d_name) == (p + strlen("sparsebundle") - entry->d_name))) {
1570 EC_NULL_LOG( infoplist = bformat("%s/%s/%s", vol->v_path, entry->d_name, "Info.plist") );
1572 if ((bandsize = get_tm_bandsize(cfrombstr(infoplist))) == -1)
1575 EC_NULL_LOG( bandsdir = bformat("%s/%s/%s/", vol->v_path, entry->d_name, "bands") );
1577 if ((links = get_tm_bands(cfrombstr(bandsdir))) == -1)
1580 used += (links - 1) * bandsize;
1581 LOG(log_debug, logtype_afpd, "getused(\"%s\"): bands: %" PRIu64 " bytes",
1582 cfrombstr(bandsdir), used);
1586 vol->v_tm_used = used;
1590 bdestroy(infoplist);
1596 LOG(log_debug, logtype_afpd, "getused(\"%s\"): %" PRIu64 " bytes", vol->v_path, vol->v_tm_used);
1601 static int getvolspace(struct vol *vol,
1602 u_int32_t *bfree, u_int32_t *btotal,
1603 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1608 #ifndef NO_QUOTA_SUPPORT
1609 VolSpace qfree, qtotal;
1612 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1613 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1614 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1615 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1616 ? 0x7fffffffL : 0xffffffffL);
1619 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1620 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1621 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1622 goto getvolspace_done;
1627 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1631 #ifndef NO_QUOTA_SUPPORT
1632 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1633 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1634 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1635 *xbfree = MIN(*xbfree, qfree);
1636 *xbtotal = MIN(*xbtotal, qtotal);
1637 goto getvolspace_done;
1641 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1644 if (vol->v_limitsize) {
1645 if (get_tm_used(vol) != 0)
1648 *xbtotal = MIN(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1649 *xbfree = MIN(*xbfree, *xbtotal < vol->v_tm_used ? 0 : *xbtotal - vol->v_tm_used);
1651 LOG(log_debug, logtype_afpd,
1652 "volparams: total: %" PRIu64 ", used: %" PRIu64 ", free: %" PRIu64 " bytes",
1653 *xbtotal, vol->v_tm_used, *xbfree);
1656 *bfree = MIN(*xbfree, maxsize);
1657 *btotal = MIN(*xbtotal, maxsize);
1661 #define FCE_TM_DELTA 10 /* send notification every 10 seconds */
1662 void vol_fce_tm_event(void)
1665 time_t now = time(NULL);
1666 struct vol *vol = Volumes;
1668 if ((last + FCE_TM_DELTA) < now) {
1670 for ( ; vol; vol = vol->v_next ) {
1671 if (vol->v_flags & AFPVOL_TM)
1672 (void)fce_register_tm_size(vol->v_path, vol->v_tm_used + vol->v_appended);
1677 /* -----------------------
1678 * set volume creation date
1679 * avoid duplicate, well at least it tries
1681 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1684 struct vol *vol = Volumes;
1686 for ( volume = Volumes; volume; volume = volume->v_next ) {
1687 if (volume->v_vid == id) {
1690 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1692 volume = Volumes; /* restart */
1695 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1696 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1699 /* ----------------------- */
1700 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1703 int bit = 0, isad = 1;
1706 u_int32_t bfree, btotal, bsize;
1707 VolSpace xbfree, xbtotal; /* extended bytes */
1708 char *data, *nameoff = NULL;
1711 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1713 /* courtesy of jallison@whistle.com:
1714 * For MacOS8.x support we need to create the
1715 * .Parent file here if it doesn't exist. */
1717 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1718 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1720 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1722 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1723 slash = strrchr( vol->v_path, '/' );
1727 slash = vol->v_path;
1728 if (ad_getentryoff(&ad, ADEID_NAME)) {
1729 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1730 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1731 ad_getentrylen( &ad, ADEID_NAME ));
1733 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1737 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1738 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1740 vol->v_ctime = aint;
1743 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1744 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1745 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1746 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1747 &bsize) != AFP_OK ) {
1749 ad_close( &ad, ADFLAGS_HF );
1751 return( AFPERR_PARAM );
1756 while ( bitmap != 0 ) {
1757 while (( bitmap & 1 ) == 0 ) {
1765 /* check for read-only.
1766 * NOTE: we don't actually set the read-only flag unless
1767 * it's passed in that way as it's possible to mount
1768 * a read-write filesystem under a read-only one. */
1769 if ((vol->v_flags & AFPVOL_RO) ||
1770 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1771 ashort |= VOLPBIT_ATTR_RO;
1773 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1774 if (afp_version > 20) {
1775 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1776 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1777 ashort |= VOLPBIT_ATTR_FILEID;
1779 ashort |= VOLPBIT_ATTR_CATSEARCH;
1781 if (afp_version >= 30) {
1782 ashort |= VOLPBIT_ATTR_UTF8;
1783 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1784 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1785 if (vol->v_flags & AFPVOL_TM)
1786 ashort |= VOLPBIT_ATTR_TM;
1787 if (vol->v_flags & AFPVOL_NONETIDS)
1788 ashort |= VOLPBIT_ATTR_NONETIDS;
1789 if (afp_version >= 32) {
1791 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1792 if (vol->v_flags & AFPVOL_ACLS)
1793 ashort |= VOLPBIT_ATTR_ACLS;
1797 ashort = htons(ashort);
1798 memcpy(data, &ashort, sizeof( ashort ));
1799 data += sizeof( ashort );
1803 ashort = htons( AFPVOLSIG_DEFAULT );
1804 memcpy(data, &ashort, sizeof( ashort ));
1805 data += sizeof( ashort );
1808 case VOLPBIT_CDATE :
1809 aint = vol->v_ctime;
1810 memcpy(data, &aint, sizeof( aint ));
1811 data += sizeof( aint );
1814 case VOLPBIT_MDATE :
1815 if ( st->st_mtime > vol->v_mtime ) {
1816 vol->v_mtime = st->st_mtime;
1818 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1819 memcpy(data, &aint, sizeof( aint ));
1820 data += sizeof( aint );
1823 case VOLPBIT_BDATE :
1824 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1825 aint = AD_DATE_START;
1826 memcpy(data, &aint, sizeof( aint ));
1827 data += sizeof( aint );
1831 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1832 data += sizeof( vol->v_vid );
1835 case VOLPBIT_BFREE :
1836 bfree = htonl( bfree );
1837 memcpy(data, &bfree, sizeof( bfree ));
1838 data += sizeof( bfree );
1841 case VOLPBIT_BTOTAL :
1842 btotal = htonl( btotal );
1843 memcpy(data, &btotal, sizeof( btotal ));
1844 data += sizeof( btotal );
1847 #ifndef NO_LARGE_VOL_SUPPORT
1848 case VOLPBIT_XBFREE :
1849 xbfree = hton64( xbfree );
1850 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1851 bcopy(&xbfree, data, sizeof(xbfree));
1852 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1853 memcpy(data, &xbfree, sizeof( xbfree ));
1854 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1855 data += sizeof( xbfree );
1858 case VOLPBIT_XBTOTAL :
1859 xbtotal = hton64( xbtotal );
1860 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1861 bcopy(&xbtotal, data, sizeof(xbtotal));
1862 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1863 memcpy(data, &xbtotal, sizeof( xbtotal ));
1864 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1865 data += sizeof( xbfree );
1867 #endif /* ! NO_LARGE_VOL_SUPPORT */
1871 data += sizeof( u_int16_t );
1874 case VOLPBIT_BSIZE: /* block size */
1875 bsize = htonl(bsize);
1876 memcpy(data, &bsize, sizeof(bsize));
1877 data += sizeof(bsize);
1882 ad_close( &ad, ADFLAGS_HF );
1884 return( AFPERR_BITMAP );
1890 ashort = htons( data - buf );
1891 memcpy(nameoff, &ashort, sizeof( ashort ));
1892 /* name is always in mac charset */
1893 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1903 ad_close_metadata( &ad);
1905 *buflen = data - buf;
1909 /* ------------------------- */
1910 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1916 if ( stat( vol->v_path, &st ) < 0 ) {
1918 return( AFPERR_PARAM );
1920 /* save the volume device number */
1921 vol->v_dev = st.st_dev;
1923 buflen = *rbuflen - sizeof( bitmap );
1924 if (( ret = getvolparams( bitmap, vol, &st,
1925 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1929 *rbuflen = buflen + sizeof( bitmap );
1930 bitmap = htons( bitmap );
1931 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1936 /* ------------------------------- */
1937 void load_volumes(AFPObj *obj)
1939 struct passwd *pwent;
1944 /* check files date */
1945 if (obj->options.defaultvol.loaded) {
1946 changed = volfile_changed(&obj->options.defaultvol);
1948 if (obj->options.systemvol.loaded) {
1949 changed |= volfile_changed(&obj->options.systemvol);
1951 if (obj->options.uservol.loaded) {
1952 changed |= volfile_changed(&obj->options.uservol);
1961 if (parent_or_child == 0) {
1962 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1964 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1967 pwent = getpwnam(obj->username);
1968 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1969 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1972 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1973 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1976 * Read user's AppleVolumes or .AppleVolumes file
1977 * If neither are readable, read the default volumes file. if
1978 * that doesn't work, create a user share.
1980 if (obj->options.uservol.name) {
1981 free(obj->options.uservol.name);
1983 obj->options.uservol.name = strdup(pwent->pw_dir);
1984 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1985 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1986 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1987 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1988 obj->options.defaultvol.name != NULL ) {
1989 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1990 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1993 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1994 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1997 if ( obj->options.closevol ) {
2000 for ( vol = Volumes; vol; vol = vol->v_next ) {
2001 if (vol->v_deleted && !vol->v_new ) {
2010 /* ------------------------------- */
2011 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2024 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
2025 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
2028 if ( stat( volume->v_path, &st ) < 0 ) {
2029 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
2030 volume->v_path, strerror(errno) );
2031 continue; /* can't access directory */
2033 if (!S_ISDIR(st.st_mode)) {
2034 continue; /* not a dir */
2036 accessmode(volume, volume->v_path, &ma, NULL, &st);
2037 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
2038 continue; /* no r-x access */
2041 if (volume->v_hide) {
2042 continue; /* config file changed but the volume was mounted */
2045 if (utf8_encoding()) {
2046 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
2048 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
2051 if (len == (size_t)-1)
2054 /* set password bit if there's a volume password */
2055 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
2057 /* Apple 2 clients running ProDOS-8 expect one volume to have
2058 bit 0 of this byte set. They will not recognize anything
2059 on the server unless this is the case. I have not
2060 completely worked this out, but it's related to booting
2061 from the server. Support for that function is a ways
2062 off.. <shirsch@ibm.net> */
2063 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
2064 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
2066 memcpy(data, namebuf, len );
2072 *rbuflen = data - rbuf;
2074 if ( gettimeofday( &tv, NULL ) < 0 ) {
2075 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
2077 return AFPERR_PARAM;
2079 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
2080 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
2081 data += sizeof( u_int32_t);
2086 /* ------------------------- */
2087 static int volume_codepage(AFPObj *obj, struct vol *volume)
2089 struct charset_functions *charset;
2092 if (!volume->v_volcodepage)
2093 volume->v_volcodepage = strdup("UTF8");
2095 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
2096 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
2100 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
2101 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
2104 if (!volume->v_maccodepage)
2105 volume->v_maccodepage = strdup(obj->options.maccodepage);
2107 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
2108 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
2112 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
2113 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
2116 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
2120 /* ------------------------- */
2121 static int volume_openDB(struct vol *volume)
2125 if ((volume->v_flags & AFPVOL_NODEV)) {
2126 flags |= CNID_FLAG_NODEV;
2129 if (volume->v_cnidscheme == NULL) {
2130 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
2131 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
2132 volume->v_path, volume->v_cnidscheme);
2135 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
2136 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2137 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2140 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
2142 /* Legacy pre 2.1 way of sharing eg CD-ROM */
2143 if (strcmp(volume->v_cnidscheme, "last") == 0) {
2144 /* "last" is gone. We support it by switching to in-memory "tdb" */
2145 volume->v_cnidscheme = strdup("tdb");
2146 flags |= CNID_FLAG_MEMORY;
2149 /* New way of sharing CD-ROM */
2150 if (volume->v_flags & AFPVOL_CDROM) {
2151 flags |= CNID_FLAG_MEMORY;
2152 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
2153 free(volume->v_cnidscheme);
2154 volume->v_cnidscheme = strdup("tdb");
2155 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
2156 volume->v_path, volume->v_cnidscheme);
2161 volume->v_cdb = cnid_open(volume->v_path,
2163 volume->v_cnidscheme,
2165 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2166 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2168 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
2169 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
2170 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
2171 volume->v_path, volume->v_cnidscheme);
2172 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
2174 flags |= CNID_FLAG_MEMORY;
2175 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
2177 /* kill ourself with SIGUSR2 aka msg pending */
2178 if (volume->v_cdb) {
2179 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
2180 "Check server messages for details!");
2181 kill(getpid(), SIGUSR2);
2182 /* deactivate cnid caching/storing in AppleDouble files */
2183 volume->v_flags &= ~AFPVOL_CACHE;
2188 return (!volume->v_cdb)?-1:0;
2192 Check if the underlying filesystem supports EAs for ea:sys volumes.
2193 If not, switch to ea:ad.
2194 As we can't check (requires write access) on ro-volumes, we switch ea:auto
2195 volumes that are options:ro to ea:none.
2197 static void check_ea_sys_support(struct vol *vol)
2199 uid_t process_uid = 0;
2200 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2201 const char *eacontent = "yes";
2203 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2205 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2206 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2207 vol->v_vfs_ea = AFPVOL_EA_NONE;
2213 process_uid = geteuid();
2215 if (seteuid(0) == -1) {
2216 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2220 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2221 sys_removexattr(vol->v_path, eaname);
2222 vol->v_vfs_ea = AFPVOL_EA_SYS;
2224 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2226 vol->v_vfs_ea = AFPVOL_EA_AD;
2230 if (seteuid(process_uid) == -1) {
2231 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2238 /* -------------------------
2239 * we are the user here
2241 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2252 char path[ MAXPATHLEN + 1];
2258 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2259 bitmap = ntohs( bitmap );
2260 ibuf += sizeof( bitmap );
2263 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2264 return AFPERR_BITMAP;
2267 len = (unsigned char)*ibuf++;
2268 volname = obj->oldtmp;
2270 if ((volname_tmp = strchr(volname,'+')) != NULL)
2271 volname = volname_tmp+1;
2273 if (utf8_encoding()) {
2274 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2276 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2279 if ( namelen <= 0) {
2280 return AFPERR_PARAM;
2284 if ((len + 1) & 1) /* pad to an even boundary */
2289 for ( volume = Volumes; volume; volume = volume->v_next ) {
2290 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2295 if ( volume == NULL ) {
2296 return AFPERR_PARAM;
2299 /* check for a volume password */
2300 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2301 return AFPERR_ACCESS;
2304 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2305 /* the volume is already open */
2307 set_uidgid ( volume );
2309 return stat_vol(bitmap, volume, rbuf, rbuflen);
2312 if (volume->v_root_preexec) {
2313 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2314 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2320 set_uidgid ( volume );
2323 if (volume->v_preexec) {
2324 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2325 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2330 if ( stat( volume->v_path, &st ) < 0 ) {
2331 return AFPERR_PARAM;
2334 if ( chdir( volume->v_path ) < 0 ) {
2335 return AFPERR_PARAM;
2338 if ( NULL == getcwd(path, MAXPATHLEN)) {
2339 /* shouldn't be fatal but it will fail later */
2340 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2344 /* Normalize volume path */
2345 #ifdef REALPATH_TAKES_NULL
2346 if ((volume->v_path = realpath(path, NULL)) == NULL)
2349 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2351 if (realpath(path, volume->v_path) == NULL) {
2352 free(volume->v_path);
2355 /* Safe some memory */
2357 if ((tmp = strdup(volume->v_path)) == NULL) {
2358 free(volume->v_path);
2361 free(volume->v_path);
2362 volume->v_path = tmp;
2365 if (volume_codepage(obj, volume) < 0) {
2370 /* initialize volume variables
2373 if (utf8_encoding()) {
2374 volume->max_filename = UTF8FILELEN_EARLY;
2377 volume->max_filename = MACFILELEN;
2380 volume->v_flags |= AFPVOL_OPEN;
2381 volume->v_cdb = NULL;
2383 if (utf8_encoding()) {
2384 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2386 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2388 if ( !vol_mname || len <= 0) {
2393 if ((vol_uname = strrchr(path, '/')) == NULL)
2395 else if (*(vol_uname + 1) != '\0')
2398 if ((dir = dir_new(vol_mname,
2403 bfromcstr(volume->v_path),
2407 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2412 volume->v_root = dir;
2415 if (volume_openDB(volume) < 0) {
2416 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2417 volume->v_path, volume->v_cnidscheme);
2422 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2424 if (ret == AFP_OK) {
2425 handle_special_folders(volume);
2427 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2428 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2432 * If you mount a volume twice, the second time the trash appears on
2433 * the desk-top. That's because the Mac remembers the DID for the
2434 * trash (even for volumes in different zones, on different servers).
2435 * Just so this works better, we prime the DID cache with the trash,
2436 * fixing the trash at DID 17.
2437 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2439 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2441 /* FIXME find db time stamp */
2442 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2443 LOG (log_error, logtype_afpd,
2444 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2452 cname( volume, volume->v_root, &p );
2458 if (volume->v_root) {
2459 dir_free( volume->v_root );
2460 volume->v_root = NULL;
2463 volume->v_flags &= ~AFPVOL_OPEN;
2464 if (volume->v_cdb != NULL) {
2465 cnid_close(volume->v_cdb);
2466 volume->v_cdb = NULL;
2472 /* ------------------------- */
2473 static void closevol(struct vol *vol)
2478 dir_free( vol->v_root );
2480 if (vol->v_cdb != NULL) {
2481 cnid_close(vol->v_cdb);
2485 if (vol->v_postexec) {
2486 afprun(0, vol->v_postexec, NULL);
2488 if (vol->v_root_postexec) {
2489 afprun(1, vol->v_root_postexec, NULL);
2493 /* ------------------------- */
2494 void close_all_vol(void)
2498 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2499 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2500 ovol->v_flags &= ~AFPVOL_OPEN;
2506 /* ------------------------- */
2507 static void deletevol(struct vol *vol)
2511 vol->v_flags &= ~AFPVOL_OPEN;
2512 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2513 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2517 if ( ovol != NULL ) {
2518 /* Even if chdir fails, we can't say afp_closevol fails. */
2519 if ( chdir( ovol->v_path ) == 0 ) {
2520 curdir = ovol->v_root;
2525 if (vol->v_deleted) {
2526 showvol(vol->v_name);
2533 /* ------------------------- */
2534 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2541 memcpy(&vid, ibuf, sizeof( vid ));
2542 if (NULL == ( vol = getvolbyvid( vid )) ) {
2543 return( AFPERR_PARAM );
2552 /* ------------------------- */
2553 struct vol *getvolbyvid(const u_int16_t vid )
2557 for ( vol = Volumes; vol; vol = vol->v_next ) {
2558 if ( vid == vol->v_vid ) {
2562 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2568 #endif /* FORCE_UIDGID */
2575 /* ------------------------ */
2576 static int ext_cmp_key(const void *key, const void *obj)
2578 const char *p = key;
2579 const struct extmap *em = obj;
2580 return strdiacasecmp(p, em->em_ext);
2582 struct extmap *getextmap(const char *path)
2587 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2588 return( Defextmap );
2592 return( Defextmap );
2594 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2598 return( Defextmap );
2602 /* ------------------------- */
2603 struct extmap *getdefextmap(void)
2605 return( Defextmap );
2608 /* --------------------------
2609 poll if a volume is changed by other processes.
2611 0 no attention msg sent
2612 1 attention msg sent
2613 -1 error (socket closed)
2615 Note: if attention return -1 no packet has been
2616 sent because the buffer is full, we don't care
2617 either there's no reader or there's a lot of
2618 traffic and another pollvoltime will follow
2620 int pollvoltime(AFPObj *obj)
2627 if (!(afp_version > 21 && obj->options.server_notif))
2630 if ( gettimeofday( &tv, NULL ) < 0 )
2633 for ( vol = Volumes; vol; vol = vol->v_next ) {
2634 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2635 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2636 vol->v_mtime = st.st_mtime;
2637 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2646 /* ------------------------- */
2647 void setvoltime(AFPObj *obj, struct vol *vol)
2651 if ( gettimeofday( &tv, NULL ) < 0 ) {
2652 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2655 if( utime( vol->v_path, NULL ) < 0 ) {
2656 /* write of time failed ... probably a read only filesys,
2657 * where no other users can interfere, so there's no issue here
2661 /* a little granularity */
2662 if (vol->v_mtime < tv.tv_sec) {
2663 vol->v_mtime = tv.tv_sec;
2664 /* or finder doesn't update free space
2665 * AFP 3.2 and above clients seem to be ok without so many notification
2667 if (afp_version < 32 && obj->options.server_notif) {
2668 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2673 /* ------------------------- */
2674 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2677 u_int16_t vid, bitmap;
2680 memcpy(&vid, ibuf, sizeof( vid ));
2681 ibuf += sizeof( vid );
2682 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2683 bitmap = ntohs( bitmap );
2685 if (NULL == ( vol = getvolbyvid( vid )) ) {
2687 return( AFPERR_PARAM );
2690 return stat_vol(bitmap, vol, rbuf, rbuflen);
2693 /* ------------------------- */
2694 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2698 u_int16_t vid, bitmap;
2704 memcpy(&vid, ibuf, sizeof( vid ));
2705 ibuf += sizeof( vid );
2706 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2707 bitmap = ntohs( bitmap );
2708 ibuf += sizeof(bitmap);
2710 if (( vol = getvolbyvid( vid )) == NULL ) {
2711 return( AFPERR_PARAM );
2714 if ((vol->v_flags & AFPVOL_RO))
2715 return AFPERR_VLOCK;
2717 /* we can only set the backup date. */
2718 if (bitmap != (1 << VOLPBIT_BDATE))
2719 return AFPERR_BITMAP;
2721 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2722 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2725 return AFPERR_VLOCK;
2727 return AFPERR_ACCESS;
2730 memcpy(&aint, ibuf, sizeof(aint));
2731 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2733 ad_close(&ad, ADFLAGS_HF);
2737 /* ------------------------- */
2738 int wincheck(const struct vol *vol, const char *path)
2742 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2745 /* empty paths are not allowed */
2746 if ((len = strlen(path)) == 0)
2749 /* leading or trailing whitespaces are not allowed, carriage returns
2750 * and probably other whitespace is okay, tabs are not allowed
2752 if ((path[0] == ' ') || (path[len-1] == ' '))
2755 /* certain characters are not allowed */
2756 if (strpbrk(path, MSWINDOWS_BADCHARS))
2759 /* everything else is okay */
2765 * precreate a folder
2766 * this is only intended for folders in the volume root
2767 * It will *not* work if the folder name contains extended characters
2769 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2778 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2780 LOG(log_error, logtype_afpd,"malloc failed");
2784 q=strdup(folder->name);
2786 LOG(log_error, logtype_afpd,"malloc failed");
2790 strcpy(p, vol->v_path);
2795 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2797 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2803 if ( (ret = stat( p, &st )) < 0 ) {
2804 if (folder->precreate) {
2805 if (ad_mkdir(p, folder->mode)) {
2806 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2815 if ( !ret && folder->hide) {
2817 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2818 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2824 ad_setname(&ad, folder->name);
2826 ad_getattr(&ad, &attr);
2827 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2828 ad_setattr(&ad, attr);
2830 /* do the same with the finder info */
2831 if (ad_entry(&ad, ADEID_FINDERI)) {
2832 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2833 attr |= htons(FINDERINFO_INVISIBLE);
2834 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2838 ad_close_metadata( &ad);
2845 static void handle_special_folders (const struct vol * vol)
2847 const _special_folder *p = &special_folders[0];
2850 process_uid = geteuid();
2852 if (seteuid(0) == -1) {
2857 for (; p->name != NULL; p++) {
2858 create_special_folder (vol, p);
2862 if (seteuid(process_uid) == -1) {
2863 LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
2869 const struct vol *getvolumes(void)
2874 void unload_volumes_and_extmap(void)
2876 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2882 * Get a volumes UUID from the config file.
2883 * If there is none, it is generated and stored there.
2885 * Returns pointer to allocated storage on success, NULL on error.
2887 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2890 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2892 struct stat tmpstat;
2895 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2896 /* scan in the conf file */
2897 while (fgets(buf, sizeof(buf), fp) != NULL) {
2899 while (p && isblank(*p))
2901 if (!p || (*p == '#') || (*p == '\n'))
2902 continue; /* invalid line */
2905 if ((volname_conf = strtok( p, "\"" )) == NULL)
2906 continue; /* syntax error */
2908 if ((volname_conf = strtok( p, " \t" )) == NULL)
2909 continue; /* syntax error: invalid name */
2911 p = strchr(p, '\0');
2914 continue; /* syntax error */
2916 if (strcmp(volname, volname_conf) != 0)
2917 continue; /* another volume name */
2919 while (p && isblank(*p))
2922 if (sscanf(p, "%36s", uuid) == 1 ) {
2923 for (int i=0; uuid[i]; i++)
2924 uuid[i] = toupper(uuid[i]);
2925 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2927 return strdup(uuid);
2935 /* not found or no file, reopen in append mode */
2937 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2938 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2939 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2940 obj->options.uuidconf, strerror(errno));
2943 if (( fp = fdopen( fd, "w" )) == NULL ) {
2944 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2945 obj->options.uuidconf, strerror(errno));
2949 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2950 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2951 obj->options.uuidconf, strerror(errno));
2954 fseek(fp, 0L, SEEK_END);
2955 if(ftell(fp) == 0) { /* size = 0 */
2956 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2957 fprintf(fp, "# This file is auto-generated by afpd\n");
2958 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2960 fseek(fp, -1L, SEEK_END);
2961 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2964 /* generate uuid and write to file */
2967 randombytes((void *)id, 16);
2968 cp = uuid_bin2string(id);
2970 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2972 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);