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>
57 #include <atalk/cnid.h>
60 #include "directory.h"
69 extern int afprun(int root, char *cmd, int *outfd);
72 #define MIN(a, b) ((a) < (b) ? (a) : (b))
75 #ifndef UUID_PRINTABLE_STRING_LENGTH
76 #define UUID_PRINTABLE_STRING_LENGTH 37
80 struct vol *current_vol; /* last volume from getvolbyvid() */
82 static struct vol *Volumes = NULL;
83 static u_int16_t lastvid = 0;
84 static char *Trash = "\02\024Network Trash Folder";
86 static struct extmap *Extmap = NULL, *Defextmap = NULL;
87 static int Extmap_cnt;
88 static void free_extmap(void);
90 #define VOLOPT_ALLOW 0 /* user allow list */
91 #define VOLOPT_DENY 1 /* user deny list */
92 #define VOLOPT_RWLIST 2 /* user rw list */
93 #define VOLOPT_ROLIST 3 /* user ro list */
94 #define VOLOPT_PASSWORD 4 /* volume password */
95 #define VOLOPT_CASEFOLD 5 /* character case mangling */
96 #define VOLOPT_FLAGS 6 /* various flags */
97 #define VOLOPT_DBPATH 7 /* path to database */
98 #define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
100 #define VOLOPT_VETO 10 /* list of veto filespec */
101 #define VOLOPT_PREEXEC 11 /* preexec command */
102 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
103 #define VOLOPT_POSTEXEC 13 /* postexec command */
104 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
105 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
106 #define VOLOPT_MACCHARSET 16
107 #define VOLOPT_CNIDSCHEME 17
108 #define VOLOPT_ADOUBLE 18 /* adouble version */
114 #define VOLOPT_FORCEUID 19 /* force uid for username x */
115 #define VOLOPT_FORCEGID 20 /* force gid for group x */
116 #endif /* FORCE_UIDGID */
118 #define VOLOPT_UMASK 21
119 #define VOLOPT_ALLOWED_HOSTS 22
120 #define VOLOPT_DENIED_HOSTS 23
121 #define VOLOPT_DPERM 24 /* dperm default directories perms */
122 #define VOLOPT_FPERM 25 /* fperm default files perms */
123 #define VOLOPT_DFLTPERM 26 /* perm */
124 #define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
125 #define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
126 #define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
128 #define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
129 #define VOLOPT_NUM (VOLOPT_MAX + 1)
132 #define VOLOPT_DEFAULT ":DEFAULT:"
133 #define VOLOPT_DEFAULT_LEN 9
140 typedef struct _special_folder {
147 static const _special_folder special_folders[] = {
148 {"Network Trash Folder", 1, 0777, 1},
149 {"Temporary Items", 1, 0777, 1},
150 {".AppleDesktop", 1, 0777, 0},
152 {"TheFindByContentFolder", 0, 0, 1},
153 {"TheVolumeSettingsFolder", 0, 0, 1},
157 /* Forward declarations */
158 static void handle_special_folders (const struct vol *);
159 static void deletevol(struct vol *vol);
160 static void volume_free(struct vol *vol);
161 static void check_ea_sys_support(struct vol *vol);
162 static char *get_vol_uuid(const AFPObj *obj, const char *volname);
163 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1,char *p2, int user, struct passwd *pwent);
165 static void volfree(struct vol_option *options, const struct vol_option *save)
170 for (i = 0; i < VOLOPT_MAX; i++) {
171 if (options[i].c_value && (options[i].c_value != save[i].c_value))
172 free(options[i].c_value);
175 for (i = 0; i < VOLOPT_MAX; i++) {
176 if (options[i].c_value)
177 free(options[i].c_value);
183 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
186 * Handle variable substitutions. here's what we understand:
187 * $b -> basename of path
188 * $c -> client ip/appletalk address
189 * $d -> volume pathname on server
190 * $f -> full name (whatever's in the gecos field)
193 * $i -> client ip/appletalk address without port
194 * $s -> server name (hostname if it doesn't exist)
195 * $u -> username (guest is usually nobody)
196 * $v -> volume name or basename if null
197 * $z -> zone (may not exist)
200 * This get's called from readvolfile with
201 * path = NULL, volname = NULL for xlating the volumes path
202 * path = path, volname = NULL for xlating the volumes name
203 * ... and from volumes options parsing code when xlating eg dbpath with
204 * path = path, volname = volname
206 * Using this information we can reject xlation of any variable depeninding on a login
207 * context which is not given in the afp master, where we must evaluate this whole stuff
208 * too for the Zeroconf announcements.
210 static char *volxlate(AFPObj *obj,
223 int xlatevolname = 0;
225 if (parent_or_child == 0)
228 if (path && !volname)
236 dest = calloc(destlen +1, 1);
242 strlcpy(dest, src, destlen +1);
243 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
246 /* first part of the path. just forward to the next variable. */
247 len = MIN((size_t)(p - src), destlen);
253 while (p && destlen > 0) {
254 /* now figure out what the variable is */
256 if (is_var(p, "$b")) {
257 if (afpmaster && xlatevolname)
260 if ((q = strrchr(path, '/')) == NULL)
262 else if (*(q + 1) != '\0')
265 } else if (is_var(p, "$c")) {
266 if (afpmaster && xlatevolname)
268 if (obj->proto == AFPPROTO_ASP) {
269 ASP asp = obj->handle;
271 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
272 asp->asp_sat.sat_addr.s_node);
276 } else if (obj->proto == AFPPROTO_DSI) {
277 DSI *dsi = obj->handle;
278 len = sprintf(dest, "%s:%u",
279 getip_string((struct sockaddr *)&dsi->client),
280 getip_port((struct sockaddr *)&dsi->client));
284 } else if (is_var(p, "$d")) {
285 if (afpmaster && xlatevolname)
288 } else if (pwd && is_var(p, "$f")) {
289 if (afpmaster && xlatevolname)
291 if ((r = strchr(pwd->pw_gecos, ',')))
294 } else if (pwd && is_var(p, "$g")) {
295 if (afpmaster && xlatevolname)
297 struct group *grp = getgrgid(pwd->pw_gid);
300 } else if (is_var(p, "$h")) {
301 q = obj->options.hostname;
302 } else if (is_var(p, "$i")) {
303 if (afpmaster && xlatevolname)
305 if (obj->proto == AFPPROTO_ASP) {
306 ASP asp = obj->handle;
308 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
312 } else if (obj->proto == AFPPROTO_DSI) {
313 DSI *dsi = obj->handle;
314 q = getip_string((struct sockaddr *)&dsi->client);
316 } else if (is_var(p, "$s")) {
319 else if (obj->options.server) {
320 q = obj->options.server;
322 q = obj->options.hostname;
323 } else if (obj->username && is_var(p, "$u")) {
324 if (afpmaster && xlatevolname)
327 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
331 } else if (is_var(p, "$v")) {
332 if (afpmaster && xlatevolname)
338 if ((q = strrchr(path, '/')) == NULL)
340 else if (*(q + 1) != '\0')
343 } else if (is_var(p, "$z")) {
345 } else if (is_var(p, "$$")) {
350 /* copy the stuff over. if we don't understand something that we
351 * should, just skip it over. */
353 len = MIN(p == q ? 2 : strlen(q), destlen);
354 strncpy(dest, q, len);
359 /* stuff up to next $ */
361 p = strchr(src, '$');
362 len = p ? MIN((size_t)(p - src), destlen) : destlen;
364 strncpy(dest, src, len);
372 /* to make sure that val is valid, make sure to select an opt that
374 static int optionok(const char *buf, const char *opt, const char *val)
376 if (!strstr(buf,opt))
384 /* -------------------- */
385 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
387 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
388 free(options[opt].c_value);
389 options[opt].c_value = strdup(val + 1);
392 /* ------------------------------------------
393 handle all the options. tmp can't be NULL. */
394 static void volset(struct vol_option *options, struct vol_option *save,
395 char *volname, int vlen,
400 val = strchr(tmp, ':');
402 /* we'll assume it's a volume name. */
403 strncpy(volname, tmp, vlen);
408 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
410 if (optionok(tmp, "allow:", val)) {
411 setoption(options, save, VOLOPT_ALLOW, val);
413 } else if (optionok(tmp, "deny:", val)) {
414 setoption(options, save, VOLOPT_DENY, val);
416 } else if (optionok(tmp, "rwlist:", val)) {
417 setoption(options, save, VOLOPT_RWLIST, val);
419 } else if (optionok(tmp, "rolist:", val)) {
420 setoption(options, save, VOLOPT_ROLIST, val);
422 } else if (optionok(tmp, "codepage:", val)) {
423 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
424 /* Make sure we don't screw anything */
426 } else if (optionok(tmp, "volcharset:", val)) {
427 setoption(options, save, VOLOPT_ENCODING, val);
428 } else if (optionok(tmp, "maccharset:", val)) {
429 setoption(options, save, VOLOPT_MACCHARSET, val);
430 } else if (optionok(tmp, "veto:", val)) {
431 setoption(options, save, VOLOPT_VETO, val);
432 } else if (optionok(tmp, "cnidscheme:", val)) {
433 setoption(options, save, VOLOPT_CNIDSCHEME, val);
434 } else if (optionok(tmp, "casefold:", val)) {
435 if (strcasecmp(val + 1, "tolower") == 0)
436 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
437 else if (strcasecmp(val + 1, "toupper") == 0)
438 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
439 else if (strcasecmp(val + 1, "xlatelower") == 0)
440 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
441 else if (strcasecmp(val + 1, "xlateupper") == 0)
442 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
443 } else if (optionok(tmp, "adouble:", val)) {
444 if (strcasecmp(val + 1, "v1") == 0)
445 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
446 #if AD_VERSION == AD_VERSION2
447 else if (strcasecmp(val + 1, "v2") == 0)
448 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
449 else if (strcasecmp(val + 1, "osx") == 0)
450 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
451 else if (strcasecmp(val + 1, "sfm") == 0)
452 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
454 } else if (optionok(tmp, "options:", val)) {
457 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
461 if (strcasecmp(p, "prodos") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
463 else if (strcasecmp(p, "mswindows") == 0) {
464 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
465 } else if (strcasecmp(p, "crlf") == 0)
466 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
467 else if (strcasecmp(p, "noadouble") == 0)
468 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
469 else if (strcasecmp(p, "ro") == 0)
470 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
471 else if (strcasecmp(p, "nohex") == 0)
472 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
473 else if (strcasecmp(p, "usedots") == 0)
474 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
475 else if (strcasecmp(p, "invisibledots") == 0)
476 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
477 else if (strcasecmp(p, "limitsize") == 0)
478 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
479 /* support for either "dropbox" or "dropkludge" */
480 else if (strcasecmp(p, "dropbox") == 0)
481 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
482 else if (strcasecmp(p, "dropkludge") == 0)
483 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
484 else if (strcasecmp(p, "nofileid") == 0)
485 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
486 else if (strcasecmp(p, "nostat") == 0)
487 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
488 else if (strcasecmp(p, "preexec_close") == 0)
489 options[VOLOPT_PREEXEC].i_value = 1;
490 else if (strcasecmp(p, "root_preexec_close") == 0)
491 options[VOLOPT_ROOTPREEXEC].i_value = 1;
492 else if (strcasecmp(p, "upriv") == 0)
493 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
494 else if (strcasecmp(p, "nodev") == 0)
495 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
496 else if (strcasecmp(p, "caseinsensitive") == 0)
497 options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
498 else if (strcasecmp(p, "illegalseq") == 0)
499 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
500 else if (strcasecmp(p, "nocnidcache") == 0)
501 options[VOLOPT_FLAGS].i_value &= ~AFPVOL_CACHE;
502 else if (strcasecmp(p, "tm") == 0)
503 options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
504 else if (strcasecmp(p, "searchdb") == 0)
505 options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
506 else if (strcasecmp(p, "nonetids") == 0)
507 options[VOLOPT_FLAGS].i_value |= AFPVOL_NONETIDS;
508 p = strtok(NULL, ",");
511 } else if (optionok(tmp, "cnidserver:", val)) {
512 setoption(options, save, VOLOPT_CNIDSERVER, val);
514 char *p = strrchr(val + 1, ':');
517 setoption(options, save, VOLOPT_CNIDPORT, p);
520 LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
521 volname, val + 1, p ? p + 1 : Cnid_port);
523 } else if (optionok(tmp, "dbpath:", val)) {
524 setoption(options, save, VOLOPT_DBPATH, val);
526 } else if (optionok(tmp, "umask:", val)) {
527 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
528 } else if (optionok(tmp, "dperm:", val)) {
529 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
530 } else if (optionok(tmp, "fperm:", val)) {
531 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
532 } else if (optionok(tmp, "perm:", val)) {
533 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
534 } else if (optionok(tmp, "password:", val)) {
535 setoption(options, save, VOLOPT_PASSWORD, val);
539 /* this code allows forced uid/gid per volume settings */
540 } else if (optionok(tmp, "forceuid:", val)) {
541 setoption(options, save, VOLOPT_FORCEUID, val);
542 } else if (optionok(tmp, "forcegid:", val)) {
543 setoption(options, save, VOLOPT_FORCEGID, val);
545 #endif /* FORCE_UIDGID */
546 } else if (optionok(tmp, "root_preexec:", val)) {
547 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
549 } else if (optionok(tmp, "preexec:", val)) {
550 setoption(options, save, VOLOPT_PREEXEC, val);
552 } else if (optionok(tmp, "root_postexec:", val)) {
553 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
555 } else if (optionok(tmp, "postexec:", val)) {
556 setoption(options, save, VOLOPT_POSTEXEC, val);
558 } else if (optionok(tmp, "allowed_hosts:", val)) {
559 setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
561 } else if (optionok(tmp, "denied_hosts:", val)) {
562 setoption(options, save, VOLOPT_DENIED_HOSTS, val);
564 } else if (optionok(tmp, "ea:", val)) {
565 if (strcasecmp(val + 1, "ad") == 0)
566 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
567 else if (strcasecmp(val + 1, "sys") == 0)
568 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
569 else if (strcasecmp(val + 1, "none") == 0)
570 options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
572 } else if (optionok(tmp, "volsizelimit:", val)) {
573 options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val + 1, NULL, 10);
576 /* ignore unknown options */
577 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
582 /* ----------------- */
583 static void showvol(const ucs2_t *name)
586 for ( volume = Volumes; volume; volume = volume->v_next ) {
587 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
594 /* ------------------------------- */
595 static int creatvol(AFPObj *obj, struct passwd *pwd,
596 char *path, char *name,
597 struct vol_option *options,
598 const int user /* user defined volume */
602 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
604 char tmpname[AFPVOL_U8MNAMELEN+1];
605 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
606 char suffix[6]; /* max is #FFFF */
609 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
611 if ( name == NULL || *name == '\0' ) {
612 if ((name = strrchr( path, '/' )) == NULL) {
613 return -1; /* Obviously not a fully qualified path */
616 /* if you wish to share /, you need to specify a name. */
621 /* suffix for mangling use (lastvid + 1) */
622 /* because v_vid has not been decided yet. */
623 suffixlen = sprintf(suffix, "%c%X", MANGLE_CHAR, lastvid + 1 );
625 vlen = strlen( name );
627 /* Unicode Volume Name */
628 /* Firstly convert name from unixcharset to UTF8-MAC */
630 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
632 strcpy(tmpname, "???");
636 /* Do we have to mangle ? */
637 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
638 if (tmpvlen + suffixlen > obj->options.volnamelen) {
640 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
641 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
643 strcat(tmpname, suffix);
644 tmpvlen = strlen(tmpname);
647 /* Secondly convert name from UTF8-MAC to UCS2 */
648 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
651 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
653 /* Maccharset Volume Name */
654 /* Firsty convert name from unixcharset to maccharset */
656 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
658 strcpy(tmpname, "???");
662 /* Do we have to mangle ? */
663 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
664 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
666 tmpvlen = convert_charset(obj->options.unixcharset,
667 obj->options.maccharset,
672 AFPVOL_MACNAMELEN - suffixlen,
674 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
676 strcat(tmpname, suffix);
677 tmpvlen = strlen(tmpname);
680 /* Secondly convert name from maccharset to UCS2 */
681 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
686 AFPVOL_U8MNAMELEN*2)) )
689 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
691 /* check duplicate */
692 for ( volume = Volumes; volume; volume = volume->v_next ) {
693 if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
695 (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
696 LOG (log_error, logtype_afpd,
697 "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
698 volume->v_localname, name);
699 if (volume->v_deleted) {
700 volume->v_new = hide = 1;
703 return -1; /* Won't be able to access it, anyway... */
708 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
709 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
712 if ( NULL == ( volume->v_localname = strdup(name))) {
713 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
718 if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
719 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
724 if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
725 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
730 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
731 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
737 volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
738 volume->v_hide = hide;
739 strcpy( volume->v_path, path );
743 #endif /* __svr4__ */
744 /* os X start at 1 and use network order ie. 1 2 3 */
745 volume->v_vid = ++lastvid;
746 volume->v_vid = htons(volume->v_vid);
748 if (check_vol_acl_support(volume))
749 volume->v_flags |= AFPVOL_ACLS
755 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
756 volume->v_flags |= options[VOLOPT_FLAGS].i_value;
758 if (options[VOLOPT_EA_VFS].i_value)
759 volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
761 volume->v_ad_options = 0;
762 if ((volume->v_flags & AFPVOL_NODEV))
763 volume->v_ad_options |= ADVOL_NODEV;
764 if ((volume->v_flags & AFPVOL_CACHE))
765 volume->v_ad_options |= ADVOL_CACHE;
766 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
767 volume->v_ad_options |= ADVOL_UNIXPRIV;
768 if ((volume->v_flags & AFPVOL_INV_DOTS))
769 volume->v_ad_options |= ADVOL_INVDOTS;
770 if ((volume->v_flags & AFPVOL_NOADOUBLE))
771 volume->v_ad_options |= ADVOL_NOADOUBLE;
773 if (options[VOLOPT_PASSWORD].c_value)
774 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
776 if (options[VOLOPT_VETO].c_value)
777 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
779 if (options[VOLOPT_ENCODING].c_value)
780 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
782 if (options[VOLOPT_MACCHARSET].c_value)
783 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
785 if (options[VOLOPT_DBPATH].c_value)
786 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
788 if (options[VOLOPT_CNIDSCHEME].c_value)
789 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
791 if (options[VOLOPT_CNIDSERVER].c_value)
792 volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
794 if (options[VOLOPT_CNIDPORT].c_value)
795 volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
797 if (options[VOLOPT_UMASK].i_value)
798 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
800 if (options[VOLOPT_DPERM].i_value)
801 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
803 if (options[VOLOPT_FPERM].i_value)
804 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
806 if (options[VOLOPT_DFLTPERM].i_value)
807 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
809 if (options[VOLOPT_ADOUBLE].i_value)
810 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
812 volume->v_adouble = AD_VERSION;
814 if (options[VOLOPT_LIMITSIZE].i_value)
815 volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
817 /* Mac to Unix conversion flags*/
818 volume->v_mtou_flags = 0;
819 if (!(volume->v_flags & AFPVOL_NOHEX))
820 volume->v_mtou_flags |= CONV_ESCAPEHEX;
821 if (!(volume->v_flags & AFPVOL_USEDOTS))
822 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
823 if ((volume->v_flags & AFPVOL_EILSEQ))
824 volume->v_mtou_flags |= CONV__EILSEQ;
826 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
827 volume->v_mtou_flags |= CONV_TOUPPER;
828 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
829 volume->v_mtou_flags |= CONV_TOLOWER;
831 /* Unix to Mac conversion flags*/
832 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
833 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
834 volume->v_utom_flags |= CONV_TOUPPER;
835 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
836 volume->v_utom_flags |= CONV_TOLOWER;
838 if ((volume->v_flags & AFPVOL_EILSEQ))
839 volume->v_utom_flags |= CONV__EILSEQ;
842 if (options[VOLOPT_FORCEUID].c_value) {
843 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
845 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
848 if (options[VOLOPT_FORCEGID].c_value) {
849 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
851 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
855 if (options[VOLOPT_PREEXEC].c_value)
856 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
857 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
859 if (options[VOLOPT_POSTEXEC].c_value)
860 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
862 if (options[VOLOPT_ROOTPREEXEC].c_value)
863 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
864 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
866 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
867 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
870 volume->v_dperm |= volume->v_perm;
871 volume->v_fperm |= volume->v_perm;
873 /* Check EA support on volume */
874 if (volume->v_vfs_ea == AFPVOL_EA_AUTO)
875 check_ea_sys_support(volume);
878 /* get/store uuid from file in afpd master*/
879 if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
880 char *uuid = get_vol_uuid(obj, volume->v_localname);
882 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
883 volume->v_localname);
885 volume->v_uuid = uuid;
886 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
887 volume->v_localname, volume->v_uuid);
891 volume->v_next = Volumes;
896 /* ---------------- */
897 static char *myfgets( char *buf, int size, FILE *fp)
903 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
904 if ( c == '\n' || c == '\r' ) {
905 if (p != buf && *(p -1) == '\\') {
927 /* check access list. this function wants something of the following
929 * @group,name,name2,@group2,name3
931 * a NULL argument allows everybody to have access.
932 * we return three things:
934 * 0: list exists, but name isn't in it
938 #ifndef NO_REAL_USER_NAME
939 /* authentication is case insensitive
940 * FIXME should we do the same with group name?
942 #define access_strcmp strcasecmp
945 #define access_strcmp strcmp
949 static int accessvol(const char *args, const char *name)
951 char buf[MAXPATHLEN + 1], *p;
957 strlcpy(buf, args, sizeof(buf));
958 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
962 if (*p == '@') { /* it's a group */
963 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
965 } else if (access_strcmp(p, name) == 0) /* it's a user name */
967 p = strtok(NULL, ",");
973 static int hostaccessvol(int type, const char *volname, const char *args, const AFPObj *obj)
976 char buf[MAXPATHLEN + 1], *p, *b;
977 DSI *dsi = obj->handle;
978 struct sockaddr_storage client;
983 strlcpy(buf, args, sizeof(buf));
984 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
987 if (obj->proto != AFPPROTO_DSI)
992 char *ipaddr, *mask_char;
993 struct addrinfo hints, *ai;
995 ipaddr = strtok(p, "/");
996 mask_char = strtok(NULL,"/");
998 /* Get address from string with getaddrinfo */
999 memset(&hints, 0, sizeof hints);
1000 hints.ai_family = AF_UNSPEC;
1001 hints.ai_socktype = SOCK_STREAM;
1002 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
1003 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
1008 if (mask_char != NULL)
1009 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
1011 if (ai->ai_family == AF_INET) /* IPv4 */
1017 /* Apply mask to addresses */
1018 client = dsi->client;
1019 apply_ip_mask((struct sockaddr *)&client, mask_int);
1020 apply_ip_mask(ai->ai_addr, mask_int);
1022 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
1023 if (type == VOLOPT_DENIED_HOSTS)
1024 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
1025 getip_string((struct sockaddr *)&client), volname);
1032 p = strtok_r(NULL, ",", &b);
1035 if (type == VOLOPT_ALLOWED_HOSTS)
1036 LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
1037 getip_string((struct sockaddr *)&dsi->client), volname);
1041 static void setextmap(char *ext, char *type, char *creator, int user)
1046 if (Extmap == NULL) {
1047 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
1048 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
1053 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
1054 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
1059 if ( em->em_ext == NULL ) {
1060 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
1061 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
1064 (Extmap +cnt +1)->em_ext = NULL;
1066 } else if ( !user ) {
1072 if (!(em->em_ext = strdup( ext))) {
1073 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
1077 if ( *type == '\0' ) {
1078 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1080 memcpy(em->em_type, type, sizeof( em->em_type ));
1082 if ( *creator == '\0' ) {
1083 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1085 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1089 /* -------------------------- */
1090 static int extmap_cmp(const void *map1, const void *map2)
1092 const struct extmap *em1 = map1;
1093 const struct extmap *em2 = map2;
1094 return strdiacasecmp(em1->em_ext, em2->em_ext);
1097 static void sortextmap( void)
1102 if ((em = Extmap) == NULL) {
1105 while (em->em_ext) {
1110 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1111 if (*Extmap->em_ext == 0) {
1112 /* the first line is really "." the default entry,
1113 * we remove the leading '.' in setextmap
1120 /* ----------------------
1122 static void free_extmap( void)
1127 for ( em = Extmap; em->em_ext; em++) {
1137 /* ----------------------
1139 static int volfile_changed(struct afp_volume_name *p)
1145 name = p->full_name;
1149 if (!stat( name, &st) && st.st_mtime > p->mtime) {
1150 p->mtime = st.st_mtime;
1156 /* ----------------------
1157 * Read a volume configuration file and add the volumes contained within to
1158 * the global volume list. This gets called from the forked afpd childs.
1159 * The master now reads this too for Zeroconf announcements.
1161 * If p2 is non-NULL, the file that is opened is
1164 * Lines that begin with # and blank lines are ignored.
1165 * Volume lines are of the form:
1166 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
1167 * [codepage:<file>] [casefold:<num>]
1168 * <extension> TYPE [CREATOR]
1171 static int readvolfile(AFPObj *obj, struct afp_volume_name *p1, char *p2, int user, struct passwd *pwent)
1174 char path[MAXPATHLEN + 1];
1175 char tmp[MAXPATHLEN + 1];
1176 char volname[AFPVOL_U8MNAMELEN + 1];
1178 char type[5], creator[5];
1183 struct vol_option save_options[VOLOPT_NUM];
1184 struct vol_option options[VOLOPT_NUM];
1190 strcpy( path, p1->name );
1192 strcat( path, "/" );
1194 if (p1->full_name) {
1195 free(p1->full_name);
1197 p1->full_name = strdup(path);
1200 if (NULL == ( fp = fopen( path, "r" )) ) {
1204 if (fd != -1 && !fstat( fd, &st) ) {
1205 p1->mtime = st.st_mtime;
1208 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1211 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1214 LOG(log_error, logtype_afpd, "readvolfile: can't lock volume file \"%s\"", path);
1215 if ( fclose( fp ) != 0 ) {
1216 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1226 memset(save_options, 0, sizeof(save_options));
1228 /* Enable some default options for all volumes */
1229 save_options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
1230 save_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
1231 LOG(log_maxdebug, logtype_afpd, "readvolfile: seeding default umask: %04o",
1232 obj->options.umask);
1233 save_options[VOLOPT_UMASK].i_value = obj->options.umask;
1235 LOG(log_debug, logtype_afpd, "readvolfile: \"%s\"", path);
1237 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
1238 initline( strlen( buf ), buf );
1239 parseline( sizeof( path ) - 1, path );
1246 /* change the default options for this file */
1247 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
1249 for (i = 0; i < VOLOPT_NUM; i++) {
1250 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
1251 path + VOLOPT_DEFAULT_LEN) < 0)
1253 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
1254 path + VOLOPT_DEFAULT_LEN);
1260 if (( p = strchr( path, '/' )) != NULL ) {
1268 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1271 strcpy( tmp, pw->pw_dir );
1272 if ( p != NULL && *p != '\0' ) {
1279 /* send path through variable substitution */
1280 if (*path != '~') /* need to copy path to tmp */
1282 if (!pwent && obj->username)
1283 pwent = getpwnam(obj->username);
1285 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1288 /* this is sort of braindead. basically, i want to be
1289 * able to specify things in any order, but i don't want to
1290 * re-write everything. */
1292 memcpy(options, save_options, sizeof(options));
1295 /* read in up to VOLOP_NUM possible options */
1296 for (i = 0; i < VOLOPT_NUM; i++) {
1297 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1300 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1303 /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
1304 allow -> either no list (-1), or in list (1)
1305 deny -> either no list (-1), or not in list (0) */
1306 if (parent_or_child == 0
1308 (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1309 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1) &&
1310 hostaccessvol(VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value, obj) &&
1311 (hostaccessvol(VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value, obj) < 1))) {
1313 /* handle read-only behaviour. semantics:
1314 * 1) neither the rolist nor the rwlist exist -> rw
1315 * 2) rolist exists -> ro if user is in it.
1316 * 3) rwlist exists -> ro unless user is in it. */
1317 if (parent_or_child == 1
1319 ((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0)
1321 ((accessvol(options[VOLOPT_ROLIST].c_value, obj->username) == 1) ||
1322 !accessvol(options[VOLOPT_RWLIST].c_value, obj->username)))
1323 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1325 /* do variable substitution for volname */
1326 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL)
1329 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1331 volfree(options, save_options);
1335 parseline( sizeof( type ) - 1, type );
1336 parseline( sizeof( creator ) - 1, creator );
1337 setextmap( path, type, creator, user);
1344 volfree(save_options, NULL);
1346 if ( fclose( fp ) != 0 ) {
1347 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1353 /* ------------------------------- */
1354 static void volume_free(struct vol *vol)
1356 free(vol->v_localname);
1357 vol->v_localname = NULL;
1358 free(vol->v_u8mname);
1359 vol->v_u8mname = NULL;
1360 free(vol->v_macname);
1361 vol->v_macname = NULL;
1363 free(vol->v_password);
1365 free(vol->v_volcodepage);
1366 free(vol->v_maccodepage);
1367 free(vol->v_cnidscheme);
1368 free(vol->v_dbpath);
1371 free(vol->v_forceuid);
1372 free(vol->v_forcegid);
1373 #endif /* FORCE_UIDGID */
1378 /* ------------------------------- */
1379 static void free_volumes(void )
1382 struct vol *nvol, *ovol;
1384 for ( vol = Volumes; vol; vol = vol->v_next ) {
1385 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1392 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1395 if (vol->v_localname == NULL) {
1396 if (Volumes == vol) {
1401 ovol->v_next = nvol;
1411 /* ------------------------------- */
1412 static void volume_unlink(struct vol *volume)
1414 struct vol *vol, *ovol, *nvol;
1416 if (volume == Volumes) {
1417 Volumes = Volumes->v_next;
1420 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1423 if (vol == volume) {
1424 ovol->v_next = nvol;
1433 static off_t getused_size; /* result of getused() */
1436 nftw callback for getused()
1438 static int getused_stat(const char *path,
1439 const struct stat *statp,
1445 if (tflag == FTW_F || tflag == FTW_D) {
1446 getused_size += statp->st_blocks * 512;
1452 #define GETUSED_CACHETIME 5
1454 * Calculate used size of a volume with nftw
1456 * The result is cached, we're try to avoid frequently calling nftw()
1458 * 1) Call nftw an refresh if:
1459 * 1a) - we're called the first time
1460 * 1b) - volume modification date is not yet set and the last time we've been called is
1461 * longer then 30 sec ago
1462 * 1c) - the last volume modification is less then 30 sec old
1464 * @param vol (rw) volume to calculate
1466 static int getused(struct vol *vol)
1468 static time_t vol_mtime = 0;
1470 time_t now = time(NULL);
1473 || (!vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < now))
1474 || (vol->v_mtime && ((vol_mtime + GETUSED_CACHETIME) < vol->v_mtime))
1479 ret = nftw(vol->v_path, getused_stat, NULL, 20, FTW_PHYS); /* 2 */
1480 LOG(log_debug, logtype_afpd, "volparams: from nftw: %" PRIu64 " bytes",
1483 getused_size += vol->v_written;
1485 LOG(log_debug, logtype_afpd, "volparams: cached used: %" PRIu64 " bytes",
1492 static int getvolspace(struct vol *vol,
1493 u_int32_t *bfree, u_int32_t *btotal,
1494 VolSpace *xbfree, VolSpace *xbtotal, u_int32_t *bsize)
1499 #ifndef NO_QUOTA_SUPPORT
1500 VolSpace qfree, qtotal;
1503 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1504 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1505 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1506 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1507 ? 0x7fffffffL : 0xffffffffL);
1510 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1511 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1512 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1513 goto getvolspace_done;
1518 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal, bsize)) != AFP_OK ) {
1522 #define min(a,b) ((a)<(b)?(a):(b))
1523 #ifndef NO_QUOTA_SUPPORT
1524 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1525 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1526 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1527 *xbfree = min(*xbfree, qfree);
1528 *xbtotal = min( *xbtotal, qtotal);
1529 goto getvolspace_done;
1533 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1536 if (vol->v_limitsize) {
1537 if (getused(vol) != 0)
1539 LOG(log_debug, logtype_afpd, "volparams: used on volume: %" PRIu64 " bytes",
1541 vol->v_tm_used = getused_size;
1543 *xbtotal = min(*xbtotal, (vol->v_limitsize * 1024 * 1024));
1544 *xbfree = min(*xbfree, *xbtotal < getused_size ? 0 : *xbtotal - getused_size);
1547 *bfree = min( *xbfree, maxsize);
1548 *btotal = min( *xbtotal, maxsize);
1552 #define FCE_TM_DELTA 10 /* send notification every 10 seconds */
1553 void vol_fce_tm_event(void)
1556 time_t now = time(NULL);
1557 struct vol *vol = Volumes;
1559 if ((last + FCE_TM_DELTA) < now) {
1561 for ( ; vol; vol = vol->v_next ) {
1562 if (vol->v_flags & AFPVOL_TM)
1563 (void)fce_register_tm_size(vol->v_path, vol->v_tm_used + vol->v_written);
1568 /* -----------------------
1569 * set volume creation date
1570 * avoid duplicate, well at least it tries
1572 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1575 struct vol *vol = Volumes;
1577 for ( volume = Volumes; volume; volume = volume->v_next ) {
1578 if (volume->v_vid == id) {
1581 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1583 volume = Volumes; /* restart */
1586 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1587 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1590 /* ----------------------- */
1591 static int getvolparams( u_int16_t bitmap, struct vol *vol, struct stat *st, char *buf, size_t *buflen)
1594 int bit = 0, isad = 1;
1597 u_int32_t bfree, btotal, bsize;
1598 VolSpace xbfree, xbtotal; /* extended bytes */
1599 char *data, *nameoff = NULL;
1602 LOG(log_debug, logtype_afpd, "getvolparams: Volume '%s'", vol->v_localname);
1604 /* courtesy of jallison@whistle.com:
1605 * For MacOS8.x support we need to create the
1606 * .Parent file here if it doesn't exist. */
1608 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1609 if ( ad_open_metadata( vol->v_path, ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1611 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1613 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1614 slash = strrchr( vol->v_path, '/' );
1618 slash = vol->v_path;
1619 if (ad_getentryoff(&ad, ADEID_NAME)) {
1620 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1621 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1622 ad_getentrylen( &ad, ADEID_NAME ));
1624 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1628 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1629 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1631 vol->v_ctime = aint;
1634 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1635 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1636 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1637 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1638 &bsize) != AFP_OK ) {
1640 ad_close( &ad, ADFLAGS_HF );
1642 return( AFPERR_PARAM );
1647 while ( bitmap != 0 ) {
1648 while (( bitmap & 1 ) == 0 ) {
1656 /* check for read-only.
1657 * NOTE: we don't actually set the read-only flag unless
1658 * it's passed in that way as it's possible to mount
1659 * a read-write filesystem under a read-only one. */
1660 if ((vol->v_flags & AFPVOL_RO) ||
1661 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1662 ashort |= VOLPBIT_ATTR_RO;
1664 /* prior 2.1 only VOLPBIT_ATTR_RO is defined */
1665 if (afp_version > 20) {
1666 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1667 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1668 ashort |= VOLPBIT_ATTR_FILEID;
1670 ashort |= VOLPBIT_ATTR_CATSEARCH;
1672 if (afp_version >= 30) {
1673 ashort |= VOLPBIT_ATTR_UTF8;
1674 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1675 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1676 if (vol->v_flags & AFPVOL_TM)
1677 ashort |= VOLPBIT_ATTR_TM;
1678 if (vol->v_flags & AFPVOL_NONETIDS)
1679 ashort |= VOLPBIT_ATTR_NONETIDS;
1680 if (afp_version >= 32) {
1682 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1683 if (vol->v_flags & AFPVOL_ACLS)
1684 ashort |= VOLPBIT_ATTR_ACLS;
1688 ashort = htons(ashort);
1689 memcpy(data, &ashort, sizeof( ashort ));
1690 data += sizeof( ashort );
1694 ashort = htons( AFPVOLSIG_DEFAULT );
1695 memcpy(data, &ashort, sizeof( ashort ));
1696 data += sizeof( ashort );
1699 case VOLPBIT_CDATE :
1700 aint = vol->v_ctime;
1701 memcpy(data, &aint, sizeof( aint ));
1702 data += sizeof( aint );
1705 case VOLPBIT_MDATE :
1706 if ( st->st_mtime > vol->v_mtime ) {
1707 vol->v_mtime = st->st_mtime;
1709 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1710 memcpy(data, &aint, sizeof( aint ));
1711 data += sizeof( aint );
1714 case VOLPBIT_BDATE :
1715 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1716 aint = AD_DATE_START;
1717 memcpy(data, &aint, sizeof( aint ));
1718 data += sizeof( aint );
1722 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1723 data += sizeof( vol->v_vid );
1726 case VOLPBIT_BFREE :
1727 bfree = htonl( bfree );
1728 memcpy(data, &bfree, sizeof( bfree ));
1729 data += sizeof( bfree );
1732 case VOLPBIT_BTOTAL :
1733 btotal = htonl( btotal );
1734 memcpy(data, &btotal, sizeof( btotal ));
1735 data += sizeof( btotal );
1738 #ifndef NO_LARGE_VOL_SUPPORT
1739 case VOLPBIT_XBFREE :
1740 xbfree = hton64( xbfree );
1741 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1742 bcopy(&xbfree, data, sizeof(xbfree));
1743 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1744 memcpy(data, &xbfree, sizeof( xbfree ));
1745 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1746 data += sizeof( xbfree );
1749 case VOLPBIT_XBTOTAL :
1750 xbtotal = hton64( xbtotal );
1751 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1752 bcopy(&xbtotal, data, sizeof(xbtotal));
1753 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1754 memcpy(data, &xbtotal, sizeof( xbtotal ));
1755 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1756 data += sizeof( xbfree );
1758 #endif /* ! NO_LARGE_VOL_SUPPORT */
1762 data += sizeof( u_int16_t );
1765 case VOLPBIT_BSIZE: /* block size */
1766 bsize = htonl(bsize);
1767 memcpy(data, &bsize, sizeof(bsize));
1768 data += sizeof(bsize);
1773 ad_close( &ad, ADFLAGS_HF );
1775 return( AFPERR_BITMAP );
1781 ashort = htons( data - buf );
1782 memcpy(nameoff, &ashort, sizeof( ashort ));
1783 /* name is always in mac charset */
1784 aint = ucs2_to_charset( vol->v_maccharset, vol->v_macname, data+1, AFPVOL_MACNAMELEN + 1);
1794 ad_close_metadata( &ad);
1796 *buflen = data - buf;
1800 /* ------------------------- */
1801 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, size_t *rbuflen)
1807 if ( stat( vol->v_path, &st ) < 0 ) {
1809 return( AFPERR_PARAM );
1811 /* save the volume device number */
1812 vol->v_dev = st.st_dev;
1814 buflen = *rbuflen - sizeof( bitmap );
1815 if (( ret = getvolparams( bitmap, vol, &st,
1816 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1820 *rbuflen = buflen + sizeof( bitmap );
1821 bitmap = htons( bitmap );
1822 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1827 /* ------------------------------- */
1828 void load_volumes(AFPObj *obj)
1830 struct passwd *pwent;
1835 /* check files date */
1836 if (obj->options.defaultvol.loaded) {
1837 changed = volfile_changed(&obj->options.defaultvol);
1839 if (obj->options.systemvol.loaded) {
1840 changed |= volfile_changed(&obj->options.systemvol);
1842 if (obj->options.uservol.loaded) {
1843 changed |= volfile_changed(&obj->options.uservol);
1852 if (parent_or_child == 0) {
1853 LOG(log_debug, logtype_afpd, "load_volumes: AFP MASTER");
1855 LOG(log_debug, logtype_afpd, "load_volumes: user: %s", obj->username);
1858 pwent = getpwnam(obj->username);
1859 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1860 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1863 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1864 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1867 * Read user's AppleVolumes or .AppleVolumes file
1868 * If neither are readable, read the default volumes file. if
1869 * that doesn't work, create a user share.
1871 if (obj->options.uservol.name) {
1872 free(obj->options.uservol.name);
1874 obj->options.uservol.name = strdup(pwent->pw_dir);
1875 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1876 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1877 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1878 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1879 obj->options.defaultvol.name != NULL ) {
1880 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1881 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1884 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1885 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1888 if ( obj->options.closevol ) {
1891 for ( vol = Volumes; vol; vol = vol->v_next ) {
1892 if (vol->v_deleted && !vol->v_new ) {
1901 /* ------------------------------- */
1902 int afp_getsrvrparms(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
1915 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1916 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1919 if ( stat( volume->v_path, &st ) < 0 ) {
1920 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1921 volume->v_path, strerror(errno) );
1922 continue; /* can't access directory */
1924 if (!S_ISDIR(st.st_mode)) {
1925 continue; /* not a dir */
1927 accessmode(volume->v_path, &ma, NULL, &st);
1928 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1929 continue; /* no r-x access */
1932 if (volume->v_hide) {
1933 continue; /* config file changed but the volume was mounted */
1936 if (utf8_encoding()) {
1937 len = ucs2_to_charset_allocate(CH_UTF8_MAC, &namebuf, volume->v_u8mname);
1939 len = ucs2_to_charset_allocate(obj->options.maccharset, &namebuf, volume->v_macname);
1942 if (len == (size_t)-1)
1945 /* set password bit if there's a volume password */
1946 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1948 /* Apple 2 clients running ProDOS-8 expect one volume to have
1949 bit 0 of this byte set. They will not recognize anything
1950 on the server unless this is the case. I have not
1951 completely worked this out, but it's related to booting
1952 from the server. Support for that function is a ways
1953 off.. <shirsch@ibm.net> */
1954 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1955 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1957 memcpy(data, namebuf, len );
1963 *rbuflen = data - rbuf;
1965 if ( gettimeofday( &tv, NULL ) < 0 ) {
1966 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1968 return AFPERR_PARAM;
1970 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1971 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1972 data += sizeof( u_int32_t);
1977 /* ------------------------- */
1978 static int volume_codepage(AFPObj *obj, struct vol *volume)
1980 struct charset_functions *charset;
1983 if (!volume->v_volcodepage)
1984 volume->v_volcodepage = strdup("UTF8");
1986 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1987 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1991 if ( NULL == (charset = find_charset_functions(volume->v_volcodepage)) || charset->flags & CHARSET_ICONV ) {
1992 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1995 if (!volume->v_maccodepage)
1996 volume->v_maccodepage = strdup(obj->options.maccodepage);
1998 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1999 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
2003 if ( NULL == ( charset = find_charset_functions(volume->v_maccodepage)) || ! (charset->flags & CHARSET_CLIENT) ) {
2004 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
2007 volume->v_kTextEncoding = htonl(charset->kTextEncoding);
2011 /* ------------------------- */
2012 static int volume_openDB(struct vol *volume)
2016 if ((volume->v_flags & AFPVOL_NODEV)) {
2017 flags |= CNID_FLAG_NODEV;
2020 if (volume->v_cnidscheme == NULL) {
2021 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
2022 LOG(log_info, logtype_afpd, "Volume %s use CNID scheme %s.",
2023 volume->v_path, volume->v_cnidscheme);
2026 LOG(log_info, logtype_afpd, "CNID server: %s:%s",
2027 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2028 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2031 /* Found this in branch dir-rewrite, maybe we want to use it sometimes */
2033 /* Legacy pre 2.1 way of sharing eg CD-ROM */
2034 if (strcmp(volume->v_cnidscheme, "last") == 0) {
2035 /* "last" is gone. We support it by switching to in-memory "tdb" */
2036 volume->v_cnidscheme = strdup("tdb");
2037 flags |= CNID_FLAG_MEMORY;
2040 /* New way of sharing CD-ROM */
2041 if (volume->v_flags & AFPVOL_CDROM) {
2042 flags |= CNID_FLAG_MEMORY;
2043 if (strcmp(volume->v_cnidscheme, "tdb") != 0) {
2044 free(volume->v_cnidscheme);
2045 volume->v_cnidscheme = strdup("tdb");
2046 LOG(log_info, logtype_afpd, "Volume %s is ejectable, switching to scheme %s.",
2047 volume->v_path, volume->v_cnidscheme);
2052 volume->v_cdb = cnid_open(volume->v_path,
2054 volume->v_cnidscheme,
2056 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2057 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2059 if ( ! volume->v_cdb && ! (flags & CNID_FLAG_MEMORY)) {
2060 /* The first attempt failed and it wasn't yet an attempt to open in-memory */
2061 LOG(log_error, logtype_afpd, "Can't open volume \"%s\" CNID backend \"%s\" ",
2062 volume->v_path, volume->v_cnidscheme);
2063 LOG(log_error, logtype_afpd, "Reopen volume %s using in memory temporary CNID DB.",
2065 flags |= CNID_FLAG_MEMORY;
2066 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, "tdb", flags, NULL, NULL);
2068 /* kill ourself with SIGUSR2 aka msg pending */
2069 if (volume->v_cdb) {
2070 setmessage("Something wrong with the volume's CNID DB, using temporary CNID DB instead."
2071 "Check server messages for details!");
2072 kill(getpid(), SIGUSR2);
2073 /* deactivate cnid caching/storing in AppleDouble files */
2074 volume->v_flags &= ~AFPVOL_CACHE;
2079 return (!volume->v_cdb)?-1:0;
2083 Check if the underlying filesystem supports EAs for ea:sys volumes.
2084 If not, switch to ea:ad.
2085 As we can't check (requires write access) on ro-volumes, we switch ea:auto
2086 volumes that are options:ro to ea:none.
2088 static void check_ea_sys_support(struct vol *vol)
2090 uid_t process_uid = 0;
2091 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
2092 const char *eacontent = "yes";
2094 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
2096 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
2097 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
2098 vol->v_vfs_ea = AFPVOL_EA_NONE;
2104 process_uid = geteuid();
2106 if (seteuid(0) == -1) {
2107 LOG(log_error, logtype_afpd, "check_ea_sys_support: can't seteuid(0): %s", strerror(errno));
2111 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
2112 sys_removexattr(vol->v_path, eaname);
2113 vol->v_vfs_ea = AFPVOL_EA_SYS;
2115 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
2117 vol->v_vfs_ea = AFPVOL_EA_AD;
2121 if (seteuid(process_uid) == -1) {
2122 LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
2129 /* -------------------------
2130 * we are the user here
2132 int afp_openvol(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
2143 char path[ MAXPATHLEN + 1];
2149 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2150 bitmap = ntohs( bitmap );
2151 ibuf += sizeof( bitmap );
2154 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
2155 return AFPERR_BITMAP;
2158 len = (unsigned char)*ibuf++;
2159 volname = obj->oldtmp;
2161 if ((volname_tmp = strchr(volname,'+')) != NULL)
2162 volname = volname_tmp+1;
2164 if (utf8_encoding()) {
2165 namelen = convert_string(CH_UTF8_MAC, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2167 namelen = convert_string(obj->options.maccharset, CH_UCS2, ibuf, len, volname, sizeof(obj->oldtmp));
2170 if ( namelen <= 0) {
2171 return AFPERR_PARAM;
2175 if ((len + 1) & 1) /* pad to an even boundary */
2180 for ( volume = Volumes; volume; volume = volume->v_next ) {
2181 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
2186 if ( volume == NULL ) {
2187 return AFPERR_PARAM;
2190 /* check for a volume password */
2191 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
2192 return AFPERR_ACCESS;
2195 if (( volume->v_flags & AFPVOL_OPEN ) ) {
2196 /* the volume is already open */
2198 set_uidgid ( volume );
2200 return stat_vol(bitmap, volume, rbuf, rbuflen);
2203 if (volume->v_root_preexec) {
2204 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
2205 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
2211 set_uidgid ( volume );
2214 if (volume->v_preexec) {
2215 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
2216 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
2221 if ( stat( volume->v_path, &st ) < 0 ) {
2222 return AFPERR_PARAM;
2225 if ( chdir( volume->v_path ) < 0 ) {
2226 return AFPERR_PARAM;
2229 if ( NULL == getcwd(path, MAXPATHLEN)) {
2230 /* shouldn't be fatal but it will fail later */
2231 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
2235 /* Normalize volume path */
2236 #ifdef REALPATH_TAKES_NULL
2237 if ((volume->v_path = realpath(path, NULL)) == NULL)
2240 if ((volume->v_path = malloc(MAXPATHLEN+1)) == NULL)
2242 if (realpath(path, volume->v_path) == NULL) {
2243 free(volume->v_path);
2246 /* Safe some memory */
2248 if ((tmp = strdup(volume->v_path)) == NULL) {
2249 free(volume->v_path);
2252 free(volume->v_path);
2253 volume->v_path = tmp;
2256 if (volume_codepage(obj, volume) < 0) {
2261 /* initialize volume variables
2264 if (utf8_encoding()) {
2265 volume->max_filename = UTF8FILELEN_EARLY;
2268 volume->max_filename = MACFILELEN;
2271 volume->v_flags |= AFPVOL_OPEN;
2272 volume->v_cdb = NULL;
2274 if (utf8_encoding()) {
2275 len = convert_string_allocate(CH_UCS2, CH_UTF8_MAC, volume->v_u8mname, namelen, &vol_mname);
2277 len = convert_string_allocate(CH_UCS2, obj->options.maccharset, volume->v_macname, namelen, &vol_mname);
2279 if ( !vol_mname || len <= 0) {
2284 if ((vol_uname = strrchr(path, '/')) == NULL)
2286 else if (*(vol_uname + 1) != '\0')
2289 if ((dir = dir_new(vol_mname,
2294 bfromcstr(volume->v_path),
2298 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
2303 volume->v_root = dir;
2306 if (volume_openDB(volume) < 0) {
2307 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
2308 volume->v_path, volume->v_cnidscheme);
2313 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
2314 if (ret == AFP_OK) {
2316 if (!(volume->v_flags & AFPVOL_RO)) {
2317 handle_special_folders( volume );
2319 volume->v_cnidserver ? volume->v_cnidserver : Cnid_srv,
2320 volume->v_cnidport ? volume->v_cnidport : Cnid_port);
2324 * If you mount a volume twice, the second time the trash appears on
2325 * the desk-top. That's because the Mac remembers the DID for the
2326 * trash (even for volumes in different zones, on different servers).
2327 * Just so this works better, we prime the DID cache with the trash,
2328 * fixing the trash at DID 17.
2329 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
2331 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
2333 /* FIXME find db time stamp */
2334 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
2335 LOG (log_error, logtype_afpd,
2336 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
2344 cname( volume, volume->v_root, &p );
2350 if (volume->v_root) {
2351 dir_free( volume->v_root );
2352 volume->v_root = NULL;
2355 volume->v_flags &= ~AFPVOL_OPEN;
2356 if (volume->v_cdb != NULL) {
2357 cnid_close(volume->v_cdb);
2358 volume->v_cdb = NULL;
2364 /* ------------------------- */
2365 static void closevol(struct vol *vol)
2370 dir_free( vol->v_root );
2372 if (vol->v_cdb != NULL) {
2373 cnid_close(vol->v_cdb);
2377 if (vol->v_postexec) {
2378 afprun(0, vol->v_postexec, NULL);
2380 if (vol->v_root_postexec) {
2381 afprun(1, vol->v_root_postexec, NULL);
2385 /* ------------------------- */
2386 void close_all_vol(void)
2390 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2391 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2392 ovol->v_flags &= ~AFPVOL_OPEN;
2398 /* ------------------------- */
2399 static void deletevol(struct vol *vol)
2403 vol->v_flags &= ~AFPVOL_OPEN;
2404 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
2405 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
2409 if ( ovol != NULL ) {
2410 /* Even if chdir fails, we can't say afp_closevol fails. */
2411 if ( chdir( ovol->v_path ) == 0 ) {
2412 curdir = ovol->v_root;
2417 if (vol->v_deleted) {
2418 showvol(vol->v_name);
2425 /* ------------------------- */
2426 int afp_closevol(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2433 memcpy(&vid, ibuf, sizeof( vid ));
2434 if (NULL == ( vol = getvolbyvid( vid )) ) {
2435 return( AFPERR_PARAM );
2444 /* ------------------------- */
2445 struct vol *getvolbyvid(const u_int16_t vid )
2449 for ( vol = Volumes; vol; vol = vol->v_next ) {
2450 if ( vid == vol->v_vid ) {
2454 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
2460 #endif /* FORCE_UIDGID */
2467 /* ------------------------ */
2468 static int ext_cmp_key(const void *key, const void *obj)
2470 const char *p = key;
2471 const struct extmap *em = obj;
2472 return strdiacasecmp(p, em->em_ext);
2474 struct extmap *getextmap(const char *path)
2479 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
2480 return( Defextmap );
2484 return( Defextmap );
2486 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
2490 return( Defextmap );
2494 /* ------------------------- */
2495 struct extmap *getdefextmap(void)
2497 return( Defextmap );
2500 /* --------------------------
2501 poll if a volume is changed by other processes.
2503 0 no attention msg sent
2504 1 attention msg sent
2505 -1 error (socket closed)
2507 Note: if attention return -1 no packet has been
2508 sent because the buffer is full, we don't care
2509 either there's no reader or there's a lot of
2510 traffic and another pollvoltime will follow
2512 int pollvoltime(AFPObj *obj)
2519 if (!(afp_version > 21 && obj->options.server_notif))
2522 if ( gettimeofday( &tv, NULL ) < 0 )
2525 for ( vol = Volumes; vol; vol = vol->v_next ) {
2526 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2527 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2528 vol->v_mtime = st.st_mtime;
2529 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2538 /* ------------------------- */
2539 void setvoltime(AFPObj *obj, struct vol *vol)
2543 if ( gettimeofday( &tv, NULL ) < 0 ) {
2544 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2547 if( utime( vol->v_path, NULL ) < 0 ) {
2548 /* write of time failed ... probably a read only filesys,
2549 * where no other users can interfere, so there's no issue here
2553 /* a little granularity */
2554 if (vol->v_mtime < tv.tv_sec) {
2555 vol->v_mtime = tv.tv_sec;
2556 /* or finder doesn't update free space
2557 * AFP 3.2 and above clients seem to be ok without so many notification
2559 if (afp_version < 32 && obj->options.server_notif) {
2560 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2565 /* ------------------------- */
2566 int afp_getvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_,char *rbuf, size_t *rbuflen)
2569 u_int16_t vid, bitmap;
2572 memcpy(&vid, ibuf, sizeof( vid ));
2573 ibuf += sizeof( vid );
2574 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2575 bitmap = ntohs( bitmap );
2577 if (NULL == ( vol = getvolbyvid( vid )) ) {
2579 return( AFPERR_PARAM );
2582 return stat_vol(bitmap, vol, rbuf, rbuflen);
2585 /* ------------------------- */
2586 int afp_setvolparams(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
2590 u_int16_t vid, bitmap;
2596 memcpy(&vid, ibuf, sizeof( vid ));
2597 ibuf += sizeof( vid );
2598 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2599 bitmap = ntohs( bitmap );
2600 ibuf += sizeof(bitmap);
2602 if (( vol = getvolbyvid( vid )) == NULL ) {
2603 return( AFPERR_PARAM );
2606 if ((vol->v_flags & AFPVOL_RO))
2607 return AFPERR_VLOCK;
2609 /* we can only set the backup date. */
2610 if (bitmap != (1 << VOLPBIT_BDATE))
2611 return AFPERR_BITMAP;
2613 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2614 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2617 return AFPERR_VLOCK;
2619 return AFPERR_ACCESS;
2622 memcpy(&aint, ibuf, sizeof(aint));
2623 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2625 ad_close(&ad, ADFLAGS_HF);
2629 /* ------------------------- */
2630 int wincheck(const struct vol *vol, const char *path)
2634 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2637 /* empty paths are not allowed */
2638 if ((len = strlen(path)) == 0)
2641 /* leading or trailing whitespaces are not allowed, carriage returns
2642 * and probably other whitespace is okay, tabs are not allowed
2644 if ((path[0] == ' ') || (path[len-1] == ' '))
2647 /* certain characters are not allowed */
2648 if (strpbrk(path, MSWINDOWS_BADCHARS))
2651 /* everything else is okay */
2657 * precreate a folder
2658 * this is only intended for folders in the volume root
2659 * It will *not* work if the folder name contains extended characters
2661 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2670 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2672 LOG(log_error, logtype_afpd,"malloc failed");
2676 q=strdup(folder->name);
2678 LOG(log_error, logtype_afpd,"malloc failed");
2682 strcpy(p, vol->v_path);
2687 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2689 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2695 if ( (ret = stat( p, &st )) < 0 ) {
2696 if (folder->precreate) {
2697 if (ad_mkdir(p, folder->mode)) {
2698 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2707 if ( !ret && folder->hide) {
2709 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2710 if (ad_open_metadata( p, ADFLAGS_DIR, O_CREAT, &ad) < 0) {
2716 ad_setname(&ad, folder->name);
2718 ad_getattr(&ad, &attr);
2719 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2720 ad_setattr(&ad, attr);
2722 /* do the same with the finder info */
2723 if (ad_entry(&ad, ADEID_FINDERI)) {
2724 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2725 attr |= htons(FINDERINFO_INVISIBLE);
2726 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2730 ad_close_metadata( &ad);
2737 static void handle_special_folders (const struct vol * vol)
2739 const _special_folder *p = &special_folders[0];
2742 process_uid = geteuid();
2744 if (seteuid(0) == -1) {
2749 if ((vol->v_flags & AFPVOL_RO))
2752 for (; p->name != NULL; p++) {
2753 create_special_folder (vol, p);
2757 if (seteuid(process_uid) == -1) {
2758 LOG(log_error, logtype_logger, "can't seteuid back %s", strerror(errno));
2764 const struct vol *getvolumes(void)
2769 void unload_volumes_and_extmap(void)
2771 LOG(log_debug, logtype_afpd, "unload_volumes_and_extmap");
2777 * Get a volumes UUID from the config file.
2778 * If there is none, it is generated and stored there.
2780 * Returns pointer to allocated storage on success, NULL on error.
2782 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
2785 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
2787 struct stat tmpstat;
2790 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
2791 /* scan in the conf file */
2792 while (fgets(buf, sizeof(buf), fp) != NULL) {
2794 while (p && isblank(*p))
2796 if (!p || (*p == '#') || (*p == '\n'))
2797 continue; /* invalid line */
2800 if ((volname_conf = strtok( p, "\"" )) == NULL)
2801 continue; /* syntax error */
2803 if ((volname_conf = strtok( p, " \t" )) == NULL)
2804 continue; /* syntax error: invalid name */
2806 p = strchr(p, '\0');
2809 continue; /* syntax error */
2811 if (strcmp(volname, volname_conf) != 0)
2812 continue; /* another volume name */
2814 while (p && isblank(*p))
2817 if (sscanf(p, "%36s", uuid) == 1 ) {
2818 for (int i=0; uuid[i]; i++)
2819 uuid[i] = toupper(uuid[i]);
2820 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
2822 return strdup(uuid);
2830 /* not found or no file, reopen in append mode */
2832 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
2833 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
2834 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
2835 obj->options.uuidconf, strerror(errno));
2838 if (( fp = fdopen( fd, "w" )) == NULL ) {
2839 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
2840 obj->options.uuidconf, strerror(errno));
2844 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
2845 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
2846 obj->options.uuidconf, strerror(errno));
2849 fseek(fp, 0L, SEEK_END);
2850 if(ftell(fp) == 0) { /* size = 0 */
2851 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
2852 fprintf(fp, "# This file is auto-generated by afpd\n");
2853 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
2855 fseek(fp, -1L, SEEK_END);
2856 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
2859 /* generate uuid and write to file */
2862 randombytes((void *)id, 16);
2863 cp = uuid_bin2string(id);
2865 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
2867 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);