2 * $Id: volume.c,v 1.51.2.7.2.33.2.4 2005-02-10 01:23:16 didg Exp $
4 * Copyright (c) 1990,1993 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
26 #else /* STDC_HEADERS */
30 #endif /* HAVE_STRCHR */
31 char *strchr (), *strrchr ();
33 #define memcpy(d,s,n) bcopy ((s), (d), (n))
34 #define memmove(d,s,n) bcopy ((s), (d), (n))
35 #endif /* ! HAVE_MEMCPY */
36 #endif /* STDC_HEADERS */
37 #include <sys/param.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #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/logger.h>
48 #include <atalk/cnid.h>
52 #include "directory.h"
57 extern int afprun(int root, char *cmd, int *outfd);
60 #define MIN(a, b) ((a) < (b) ? (a) : (b))
63 #ifndef NO_LARGE_VOL_SUPPORT
64 #if BYTE_ORDER == BIG_ENDIAN
67 #else /* BYTE_ORDER == BIG_ENDIAN */
68 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
69 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
70 #define ntoh64(x) (hton64(x))
71 #endif /* BYTE_ORDER == BIG_ENDIAN */
72 #endif /* ! NO_LARGE_VOL_SUPPORT */
74 static struct vol *Volumes = NULL;
75 static u_int16_t lastvid = 0;
76 static char *Trash = "\02\024Network Trash Folder";
78 static struct extmap *Extmap = NULL, *Defextmap = NULL;
79 static int Extmap_cnt;
80 static void free_extmap(void);
82 #define VOLOPT_ALLOW 0 /* user allow list */
83 #define VOLOPT_DENY 1 /* user deny list */
84 #define VOLOPT_RWLIST 2 /* user rw list */
85 #define VOLOPT_ROLIST 3 /* user ro list */
86 #define VOLOPT_PASSWORD 4 /* volume password */
87 #define VOLOPT_CASEFOLD 5 /* character case mangling */
88 #define VOLOPT_FLAGS 6 /* various flags */
89 #define VOLOPT_DBPATH 7 /* path to database */
90 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
91 m and u can be double-byte hex
96 !u -> make u illegal always
97 ~u -> make u illegal only as the first
98 part of a double-byte character.
100 #define VOLOPT_VETO 10 /* list of veto filespec */
101 #define VOLOPT_PREEXEC 11 /* preexec command */
102 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
104 #define VOLOPT_POSTEXEC 13 /* postexec command */
105 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
107 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
108 #define VOLOPT_MACCHARSET 16
109 #define VOLOPT_CNIDSCHEME 17
110 #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 #define VOLOPT_UMASK 21
119 #define VOLOPT_UMASK 19
120 #endif /* FORCE_UIDGID */
122 #define VOLOPT_MAX (VOLOPT_UMASK +1)
124 #define VOLOPT_NUM (VOLOPT_MAX + 1)
127 #define VOLOPT_DEFAULT ":DEFAULT:"
128 #define VOLOPT_DEFAULT_LEN 9
134 typedef struct _special_folder {
141 static const _special_folder special_folders[] = {
142 {"Network Trash Folder", 1, 0777, 1},
143 {"Temporary Items", 1, 0777, 1},
144 {".AppleDesktop", 1, 0777, 0},
146 {"TheFindByContentFolder", 0, 0, 1},
147 {"TheVolumeSettingsFolder", 0, 0, 1},
151 typedef struct _volopt_name {
152 const u_int32_t option;
156 static const _vol_opt_name vol_opt_names[] = {
157 {AFPVOL_A2VOL, "PRODOS"}, /* prodos volume */
158 {AFPVOL_CRLF, "CRLF"}, /* cr/lf translation */
159 {AFPVOL_NOADOUBLE, "NOADOUBLE"}, /* don't create .AppleDouble by default */
160 {AFPVOL_RO, "READONLY"}, /* read-only volume */
161 {AFPVOL_MSWINDOWS, "MSWINDOWS"}, /* deal with ms-windows yuckiness. this is going away. */
162 {AFPVOL_NOHEX, "NOHEX"}, /* don't do :hex translation */
163 {AFPVOL_USEDOTS, "USEDOTS"}, /* use real dots */
164 {AFPVOL_LIMITSIZE, "LIMITSIZE"}, /* limit size for older macs */
165 {AFPVOL_MAPASCII, "MAPASCII"}, /* map the ascii range as well */
166 {AFPVOL_DROPBOX, "DROPBOX"}, /* dropkludge dropbox support */
167 {AFPVOL_NOFILEID, "NOFILEID"}, /* don't advertise createid resolveid and deleteid calls */
168 {AFPVOL_NOSTAT, "NOSTAT"}, /* advertise the volume even if we can't stat() it
169 * maybe because it will be mounted later in preexec */
170 {AFPVOL_UNIX_PRIV, "UNIXPRIV"}, /* support unix privileges */
171 {AFPVOL_NODEV, "NODEV"}, /* always use 0 for device number in cnid calls */
175 static const _vol_opt_name vol_opt_casefold[] = {
176 {AFPVOL_MTOUUPPER, "MTOULOWER"},
177 {AFPVOL_MTOULOWER, "MTOULOWER"},
178 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
179 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
183 static void handle_special_folders (const struct vol *);
184 static int savevoloptions (const struct vol *);
186 static __inline__ void volfree(struct vol_option *options,
187 const struct vol_option *save)
192 for (i = 0; i < VOLOPT_MAX; i++) {
193 if (options[i].c_value && (options[i].c_value != save[i].c_value))
194 free(options[i].c_value);
197 for (i = 0; i < VOLOPT_MAX; i++) {
198 if (options[i].c_value)
199 free(options[i].c_value);
205 /* handle variable substitutions. here's what we understand:
206 * $b -> basename of path
207 * $c -> client ip/appletalk address
208 * $d -> volume pathname on server
209 * $f -> full name (whatever's in the gecos field)
212 * $i -> client ip/appletalk address without port
213 * $s -> server name (hostname if it doesn't exist)
214 * $u -> username (guest is usually nobody)
215 * $v -> volume name or basename if null
216 * $z -> zone (may not exist)
221 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
223 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
224 char *src, struct passwd *pwd, char *path, char *volname)
234 dest = calloc(destlen +1, 1);
240 strlcpy(dest, src, destlen +1);
241 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
244 /* first part of the path. just forward to the next variable. */
245 len = MIN(p - src, destlen);
251 while (p && destlen > 0) {
252 /* now figure out what the variable is */
254 if (is_var(p, "$b")) {
256 if ((q = strrchr(path, '/')) == NULL)
258 else if (*(q + 1) != '\0')
261 } else if (is_var(p, "$c")) {
262 if (obj->proto == AFPPROTO_ASP) {
263 ASP asp = obj->handle;
265 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
266 asp->asp_sat.sat_addr.s_node);
270 } else if (obj->proto == AFPPROTO_DSI) {
271 DSI *dsi = obj->handle;
273 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
274 ntohs(dsi->client.sin_port));
278 } else if (is_var(p, "$d")) {
280 } else if (is_var(p, "$f")) {
281 if ((q = strchr(pwd->pw_gecos, ',')))
284 } else if (is_var(p, "$g")) {
285 struct group *grp = getgrgid(pwd->pw_gid);
288 } else if (is_var(p, "$h")) {
289 q = obj->options.hostname;
290 } else if (is_var(p, "$i")) {
291 if (obj->proto == AFPPROTO_ASP) {
292 ASP asp = obj->handle;
294 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
298 } else if (obj->proto == AFPPROTO_DSI) {
299 DSI *dsi = obj->handle;
301 q = inet_ntoa(dsi->client.sin_addr);
303 } else if (is_var(p, "$s")) {
306 else if (obj->options.server) {
307 q = obj->options.server;
309 q = obj->options.hostname;
310 } else if (is_var(p, "$u")) {
312 } else if (is_var(p, "$v")) {
317 if ((q = strrchr(path, '/')) == NULL)
319 else if (*(q + 1) != '\0')
322 } else if (is_var(p, "$z")) {
324 } else if (is_var(p, "$$")) {
329 /* copy the stuff over. if we don't understand something that we
330 * should, just skip it over. */
332 len = MIN(p == q ? 2 : strlen(q), destlen);
333 strncpy(dest, q, len);
338 /* stuff up to next $ */
340 p = strchr(src, '$');
341 len = p ? MIN(p - src, destlen) : destlen;
343 strncpy(dest, src, len);
351 /* to make sure that val is valid, make sure to select an opt that
353 static int optionok(const char *buf, const char *opt, const char *val)
355 if (!strstr(buf,opt))
363 /* -------------------- */
364 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
366 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
367 free(options[opt].c_value);
368 options[opt].c_value = strdup(val + 1);
371 /* ------------------------------------------
372 handle all the options. tmp can't be NULL. */
373 static void volset(struct vol_option *options, struct vol_option *save,
374 char *volname, int vlen,
379 val = strchr(tmp, ':');
381 /* we'll assume it's a volume name. */
382 strncpy(volname, tmp, vlen);
387 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
389 if (optionok(tmp, "allow:", val)) {
390 setoption(options, save, VOLOPT_ALLOW, val);
392 } else if (optionok(tmp, "deny:", val)) {
393 setoption(options, save, VOLOPT_DENY, val);
395 } else if (optionok(tmp, "rwlist:", val)) {
396 setoption(options, save, VOLOPT_RWLIST, val);
398 } else if (optionok(tmp, "rolist:", val)) {
399 setoption(options, save, VOLOPT_ROLIST, val);
401 } else if (optionok(tmp, "codepage:", val)) {
402 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
403 /* Make sure we don't screw anything */
405 } else if (optionok(tmp, "volcharset:", val)) {
406 setoption(options, save, VOLOPT_ENCODING, val);
407 } else if (optionok(tmp, "maccharset:", val)) {
408 setoption(options, save, VOLOPT_MACCHARSET, val);
409 } else if (optionok(tmp, "veto:", val)) {
410 setoption(options, save, VOLOPT_VETO, val);
411 } else if (optionok(tmp, "cnidscheme:", val)) {
412 setoption(options, save, VOLOPT_CNIDSCHEME, val);
413 } else if (optionok(tmp, "casefold:", val)) {
414 if (strcasecmp(val + 1, "tolower") == 0)
415 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
416 else if (strcasecmp(val + 1, "toupper") == 0)
417 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
418 else if (strcasecmp(val + 1, "xlatelower") == 0)
419 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
420 else if (strcasecmp(val + 1, "xlateupper") == 0)
421 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
422 } else if (optionok(tmp, "adouble:", val)) {
423 if (strcasecmp(val + 1, "v1") == 0)
424 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
425 #if AD_VERSION == AD_VERSION2
426 else if (strcasecmp(val + 1, "v2") == 0)
427 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
428 else if (strcasecmp(val + 1, "osx") == 0)
429 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
431 } else if (optionok(tmp, "options:", val)) {
434 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
438 if (strcasecmp(p, "prodos") == 0)
439 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
440 else if (strcasecmp(p, "mswindows") == 0) {
441 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
442 } else if (strcasecmp(p, "crlf") == 0)
443 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
444 else if (strcasecmp(p, "noadouble") == 0)
445 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
446 else if (strcasecmp(p, "ro") == 0)
447 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
448 else if (strcasecmp(p, "nohex") == 0)
449 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
450 else if (strcasecmp(p, "usedots") == 0)
451 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
452 else if (strcasecmp(p, "limitsize") == 0)
453 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
454 /* support for either "dropbox" or "dropkludge" */
455 else if (strcasecmp(p, "dropbox") == 0)
456 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
457 else if (strcasecmp(p, "dropkludge") == 0)
458 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
459 else if (strcasecmp(p, "nofileid") == 0)
460 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
461 else if (strcasecmp(p, "nostat") == 0)
462 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
463 else if (strcasecmp(p, "preexec_close") == 0)
464 options[VOLOPT_PREEXEC].i_value = 1;
465 else if (strcasecmp(p, "root_preexec_close") == 0)
466 options[VOLOPT_ROOTPREEXEC].i_value = 1;
467 else if (strcasecmp(p, "upriv") == 0)
468 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
469 else if (strcasecmp(p, "nodev") == 0)
470 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
471 else if (strcasecmp(p, "cachecnid") == 0)
472 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
474 p = strtok(NULL, ",");
477 } else if (optionok(tmp, "dbpath:", val)) {
478 setoption(options, save, VOLOPT_DBPATH, val);
480 } else if (optionok(tmp, "umask:", val)) {
481 options[VOLOPT_UMASK].i_value = (int)strtol(val, (char **)NULL, 8);
482 } else if (optionok(tmp, "mapchars:",val)) {
483 setoption(options, save, VOLOPT_MAPCHARS, val);
485 } else if (optionok(tmp, "password:", val)) {
486 setoption(options, save, VOLOPT_PASSWORD, val);
490 /* this code allows forced uid/gid per volume settings */
491 } else if (optionok(tmp, "forceuid:", val)) {
492 setoption(options, save, VOLOPT_FORCEUID, val);
493 } else if (optionok(tmp, "forcegid:", val)) {
494 setoption(options, save, VOLOPT_FORCEGID, val);
496 #endif /* FORCE_UIDGID */
497 } else if (optionok(tmp, "root_preexec:", val)) {
498 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
500 } else if (optionok(tmp, "preexec:", val)) {
501 setoption(options, save, VOLOPT_PREEXEC, val);
503 } else if (optionok(tmp, "root_postexec:", val)) {
504 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
506 } else if (optionok(tmp, "postexec:", val)) {
507 setoption(options, save, VOLOPT_POSTEXEC, val);
510 /* ignore unknown options */
511 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
516 /* ----------------- */
517 static void showvol(const ucs2_t *name)
520 for ( volume = Volumes; volume; volume = volume->v_next ) {
521 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
529 * FIXME should be define elsewhere
531 static int validupath_adouble(const struct vol *vol, const char *name)
533 return (vol->v_flags & AFPVOL_USEDOTS) ? strncasecmp(name,".Apple", 6) && strcasecmp(name, ".Parent")
537 /* ----------------- */
538 static int validupath_osx(const struct vol *vol, const char *name)
540 return strncasecmp(name,".Apple", 6) && strncasecmp(name,"._", 2);
543 /* ---------------- */
544 static void initvoladouble(struct vol *vol)
546 if (vol->v_adouble == AD_VERSION2_OSX) {
547 vol->validupath = validupath_osx;
548 vol->ad_path = ad_path_osx;
551 vol->validupath = validupath_adouble;
552 vol->ad_path = ad_path;
556 /* ------------------------------- */
557 static int creatvol(AFPObj *obj, struct passwd *pwd,
558 char *path, char *name,
559 struct vol_option *options,
560 const int user /* user defined volume */
568 if ( name == NULL || *name == '\0' ) {
569 if ((name = strrchr( path, '/' )) == NULL) {
570 return -1; /* Obviously not a fully qualified path */
573 /* if you wish to share /, you need to specify a name. */
578 vlen = strlen( name );
579 if ( vlen > AFPVOL_NAMELEN ) {
580 vlen = AFPVOL_NAMELEN;
581 name[AFPVOL_NAMELEN] = '\0';
584 /* convert name to UCS2 first */
585 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
588 for ( volume = Volumes; volume; volume = volume->v_next ) {
589 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
590 if (volume->v_deleted) {
594 return -1; /* Won't be able to access it, anyway... */
600 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
601 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
604 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
605 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
609 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
610 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
611 free(volume->v_name);
615 volume->v_hide = hide;
616 strcpy( volume->v_path, path );
620 #endif /* __svr4__ */
621 /* os X start at 1 and use network order ie. 1 2 3 */
622 volume->v_vid = ++lastvid;
623 volume->v_vid = htons(volume->v_vid);
627 /* should we casefold? */
628 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
630 /* shift in some flags */
631 volume->v_flags = options[VOLOPT_FLAGS].i_value;
633 volume->v_ad_options = 0;
634 if ((volume->v_flags & AFPVOL_NODEV))
635 volume->v_ad_options |= AFPVOL_NODEV;
636 if ((volume->v_flags & AFPVOL_CACHE))
637 volume->v_ad_options |= AFPVOL_CACHE;
639 if (options[VOLOPT_PASSWORD].c_value)
640 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
642 if (options[VOLOPT_VETO].c_value)
643 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
645 if (options[VOLOPT_ENCODING].c_value)
646 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
648 if (options[VOLOPT_MACCHARSET].c_value)
649 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
651 if (options[VOLOPT_DBPATH].c_value)
652 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
654 if (options[VOLOPT_CNIDSCHEME].c_value)
655 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
657 if (options[VOLOPT_UMASK].i_value)
658 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
660 if (options[VOLOPT_ADOUBLE].i_value)
661 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
663 volume->v_adouble = AD_VERSION;
665 if (options[VOLOPT_FORCEUID].c_value) {
666 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
668 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
671 if (options[VOLOPT_FORCEGID].c_value) {
672 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
674 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
678 if (options[VOLOPT_PREEXEC].c_value)
679 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
680 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
682 if (options[VOLOPT_POSTEXEC].c_value)
683 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
685 if (options[VOLOPT_ROOTPREEXEC].c_value)
686 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
687 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
689 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
690 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
694 initvoladouble(volume);
695 volume->v_next = Volumes;
700 /* ---------------- */
701 static char *myfgets( buf, size, fp )
710 while ((EOF != ( c = getc( fp )) ) && ( size > 0 )) {
711 if ( c == '\n' || c == '\r' ) {
729 /* check access list. this function wants something of the following
731 * @group,name,name2,@group2,name3
733 * a NULL argument allows everybody to have access.
734 * we return three things:
736 * 0: list exists, but name isn't in it
740 #ifndef NO_REAL_USER_NAME
741 /* authentication is case insensitive
742 * FIXME should we do the same with group name?
744 #define access_strcmp strcasecmp
747 #define access_strcmp strcmp
751 static int accessvol(args, name)
755 char buf[MAXPATHLEN + 1], *p;
761 strlcpy(buf, args, sizeof(buf));
762 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
766 if (*p == '@') { /* it's a group */
767 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
769 } else if (access_strcmp(p, name) == 0) /* it's a user name */
771 p = strtok(NULL, ",");
777 static void setextmap( ext, type, creator, user)
778 char *ext, *type, *creator;
784 if (Extmap == NULL) {
785 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
786 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
791 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
792 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
797 if ( em->em_ext == NULL ) {
798 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
799 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
802 (Extmap +cnt +1)->em_ext = NULL;
804 } else if ( !user ) {
810 if (!(em->em_ext = strdup( ext))) {
811 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
815 if ( *type == '\0' ) {
816 memcpy(em->em_type, "????", sizeof( em->em_type ));
818 memcpy(em->em_type, type, sizeof( em->em_type ));
820 if ( *creator == '\0' ) {
821 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
823 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
827 /* -------------------------- */
828 static int extmap_cmp(const void *map1, const void *map2)
830 const struct extmap *em1 = map1;
831 const struct extmap *em2 = map2;
832 return strdiacasecmp(em1->em_ext, em2->em_ext);
835 static void sortextmap( void)
840 if ((em = Extmap) == NULL) {
848 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
849 if (*Extmap->em_ext == 0) {
850 /* the first line is really "." the default entry,
851 * we remove the leading '.' in setextmap
858 /* ----------------------
860 static void free_extmap( void)
865 for ( em = Extmap; em->em_ext; em++) {
875 /* ----------------------
877 static int volfile_changed(struct afp_volume_name *p)
887 if (!stat( name, &st) && st.st_mtime > p->mtime) {
888 p->mtime = st.st_mtime;
894 /* ----------------------
895 * Read a volume configuration file and add the volumes contained within to
896 * the global volume list. If p2 is non-NULL, the file that is opened is
899 * Lines that begin with # and blank lines are ignored.
900 * Volume lines are of the form:
901 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
902 * [codepage:<file>] [casefold:<num>]
903 * <extension> TYPE [CREATOR]
905 static int readvolfile(obj, p1, p2, user, pwent)
907 struct afp_volume_name *p1;
910 struct passwd *pwent;
913 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
914 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
915 type[ 5 ], creator[ 5 ];
918 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
926 strcpy( path, p1->name );
933 p1->full_name = strdup(path);
936 if (NULL == ( fp = fopen( path, "r" )) ) {
940 if (fd != -1 && !fstat( fd, &st) ) {
941 p1->mtime = st.st_mtime;
944 memset(save_options, 0, sizeof(save_options));
945 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
946 initline( strlen( buf ), buf );
947 parseline( sizeof( path ) - 1, path );
954 /* change the default options for this file */
955 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
957 for (i = 0; i < VOLOPT_NUM; i++) {
958 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
959 path + VOLOPT_DEFAULT_LEN) < 0)
961 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
962 path + VOLOPT_DEFAULT_LEN);
968 if (( p = strchr( path, '/' )) != NULL ) {
976 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
979 strcpy( tmp, pw->pw_dir );
980 if ( p != NULL && *p != '\0' ) {
984 /* Tag a user's home directory with their umask. Note, this will
985 * be overwritten if the user actually specifies a umask: option
986 * for a '~' volume. */
987 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
991 /* send path through variable substitution */
992 if (*path != '~') /* need to copy path to tmp */
995 pwent = getpwnam(obj->username);
996 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
998 /* this is sort of braindead. basically, i want to be
999 * able to specify things in any order, but i don't want to
1000 * re-write everything.
1002 * currently we have options:
1010 * options:prodos,crlf,noadouble,ro...
1015 * namemask:x,y,!z (not implemented yet)
1017 memcpy(options, save_options, sizeof(options));
1020 /* read in up to VOLOP_NUM possible options */
1021 for (i = 0; i < VOLOPT_NUM; i++) {
1022 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1025 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1028 /* check allow/deny lists:
1029 allow -> either no list (-1), or in list (1)
1030 deny -> either no list (-1), or not in list (0) */
1031 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1032 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1034 /* handle read-only behaviour. semantics:
1035 * 1) neither the rolist nor the rwlist exist -> rw
1036 * 2) rolist exists -> ro if user is in it.
1037 * 3) rwlist exists -> ro unless user is in it. */
1038 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1039 ((accessvol(options[VOLOPT_ROLIST].c_value,
1040 obj->username) == 1) ||
1041 !accessvol(options[VOLOPT_RWLIST].c_value,
1043 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1045 /* do variable substitution for volname */
1046 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1047 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1049 volfree(options, save_options);
1053 parseline( sizeof( type ) - 1, type );
1054 parseline( sizeof( creator ) - 1, creator );
1055 setextmap( path, type, creator, user);
1062 volfree(save_options, NULL);
1064 if ( fclose( fp ) != 0 ) {
1065 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1071 /* ------------------------------- */
1072 static void volume_free(struct vol *vol)
1077 free(vol->v_password);
1079 free(vol->v_volcodepage);
1080 free(vol->v_maccodepage);
1081 free(vol->v_cnidscheme);
1082 free(vol->v_dbpath);
1085 free(vol->v_forceuid);
1086 free(vol->v_forcegid);
1087 #endif /* FORCE_UIDGID */
1090 /* ------------------------------- */
1091 static void free_volumes(void )
1094 struct vol *nvol, *ovol;
1096 for ( vol = Volumes; vol; vol = vol->v_next ) {
1097 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1104 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1107 if (vol->v_name == NULL) {
1108 if (Volumes == vol) {
1113 ovol->v_next = nvol;
1123 /* ------------------------------- */
1124 static void volume_unlink(struct vol *volume)
1126 struct vol *vol, *ovol, *nvol;
1128 if (volume == Volumes) {
1129 Volumes = Volumes->v_next;
1132 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1135 if (vol == volume) {
1136 ovol->v_next = nvol;
1145 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1147 u_int32_t *bfree, *btotal, *bsize;
1148 VolSpace *xbfree, *xbtotal;
1152 #ifndef NO_QUOTA_SUPPORT
1153 VolSpace qfree, qtotal;
1156 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1157 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1158 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1159 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1160 ? 0x7fffffffL : 0xffffffffL);
1163 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1164 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1165 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1166 goto getvolspace_done;
1171 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1172 bsize)) != AFP_OK ) {
1176 #define min(a,b) ((a)<(b)?(a):(b))
1177 #ifndef NO_QUOTA_SUPPORT
1178 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1179 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1180 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1181 *xbfree = min(*xbfree, qfree);
1182 *xbtotal = min( *xbtotal, qtotal);
1183 goto getvolspace_done;
1187 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1190 *bfree = min( *xbfree, maxsize);
1191 *btotal = min( *xbtotal, maxsize);
1195 /* -----------------------
1196 * set volume creation date
1197 * avoid duplicate, well at least it tries
1199 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1202 struct vol *vol = Volumes;
1204 for ( volume = Volumes; volume; volume = volume->v_next ) {
1205 if (volume->v_vid == id) {
1208 else if (AD_DATE_FROM_UNIX(date) == volume->v_ctime) {
1210 volume = Volumes; /* restart */
1213 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1214 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1217 /* ----------------------- */
1218 static int getvolparams( bitmap, vol, st, buf, buflen )
1226 int bit = 0, isad = 1;
1229 u_int32_t bfree, btotal, bsize;
1230 VolSpace xbfree, xbtotal; /* extended bytes */
1231 char *data, *nameoff = NULL;
1234 /* courtesy of jallison@whistle.com:
1235 * For MacOS8.x support we need to create the
1236 * .Parent file here if it doesn't exist. */
1238 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1239 if ( ad_open( vol->v_path, vol_noadouble(vol) |
1240 ADFLAGS_HF|ADFLAGS_DIR, O_RDWR | O_CREAT,
1243 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1245 } else if (ad_get_HF_flags( &ad ) & O_CREAT) {
1246 slash = strrchr( vol->v_path, '/' );
1250 slash = vol->v_path;
1251 if (ad_getentryoff(&ad, ADEID_NAME)) {
1252 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1253 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1254 ad_getentrylen( &ad, ADEID_NAME ));
1256 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1257 ad_flush(&ad, ADFLAGS_HF);
1260 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1261 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1263 vol->v_ctime = aint;
1266 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1267 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1268 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1269 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1272 ad_close( &ad, ADFLAGS_HF );
1274 return( AFPERR_PARAM );
1279 while ( bitmap != 0 ) {
1280 while (( bitmap & 1 ) == 0 ) {
1288 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1289 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1290 ashort = VOLPBIT_ATTR_FILEID;
1292 /* check for read-only.
1293 * NOTE: we don't actually set the read-only flag unless
1294 * it's passed in that way as it's possible to mount
1295 * a read-write filesystem under a read-only one. */
1296 if ((vol->v_flags & AFPVOL_RO) ||
1297 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1298 ashort |= VOLPBIT_ATTR_RO;
1300 ashort |= VOLPBIT_ATTR_CATSEARCH;
1301 if (afp_version >= 30) {
1302 ashort |= VOLPBIT_ATTR_UTF8;
1303 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1304 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1306 ashort = htons(ashort);
1307 memcpy(data, &ashort, sizeof( ashort ));
1308 data += sizeof( ashort );
1312 ashort = htons( AFPVOLSIG_DEFAULT );
1313 memcpy(data, &ashort, sizeof( ashort ));
1314 data += sizeof( ashort );
1317 case VOLPBIT_CDATE :
1318 aint = vol->v_ctime;
1319 memcpy(data, &aint, sizeof( aint ));
1320 data += sizeof( aint );
1323 case VOLPBIT_MDATE :
1324 if ( st->st_mtime > vol->v_mtime ) {
1325 vol->v_mtime = st->st_mtime;
1327 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1328 memcpy(data, &aint, sizeof( aint ));
1329 data += sizeof( aint );
1332 case VOLPBIT_BDATE :
1333 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1334 aint = AD_DATE_START;
1335 memcpy(data, &aint, sizeof( aint ));
1336 data += sizeof( aint );
1340 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1341 data += sizeof( vol->v_vid );
1344 case VOLPBIT_BFREE :
1345 bfree = htonl( bfree );
1346 memcpy(data, &bfree, sizeof( bfree ));
1347 data += sizeof( bfree );
1350 case VOLPBIT_BTOTAL :
1351 btotal = htonl( btotal );
1352 memcpy(data, &btotal, sizeof( btotal ));
1353 data += sizeof( btotal );
1356 #ifndef NO_LARGE_VOL_SUPPORT
1357 case VOLPBIT_XBFREE :
1358 xbfree = hton64( xbfree );
1359 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1360 bcopy(&xbfree, data, sizeof(xbfree));
1361 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1362 memcpy(data, &xbfree, sizeof( xbfree ));
1363 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1364 data += sizeof( xbfree );
1367 case VOLPBIT_XBTOTAL :
1368 xbtotal = hton64( xbtotal );
1369 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1370 bcopy(&xbtotal, data, sizeof(xbtotal));
1371 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1372 memcpy(data, &xbtotal, sizeof( xbtotal ));
1373 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1374 data += sizeof( xbfree );
1376 #endif /* ! NO_LARGE_VOL_SUPPORT */
1380 data += sizeof( u_int16_t );
1383 case VOLPBIT_BSIZE: /* block size */
1384 bsize = htonl(bsize);
1385 memcpy(data, &bsize, sizeof(bsize));
1386 data += sizeof(bsize);
1391 ad_close( &ad, ADFLAGS_HF );
1393 return( AFPERR_BITMAP );
1399 ashort = htons( data - buf );
1400 memcpy(nameoff, &ashort, sizeof( ashort ));
1401 aint = ucs2_to_charset( (utf8_encoding()?CH_UTF8_MAC:vol->v_maccharset), vol->v_name, data+1, 255);
1411 ad_close( &ad, ADFLAGS_HF );
1413 *buflen = data - buf;
1417 /* ------------------------- */
1418 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1423 if ( stat( vol->v_path, &st ) < 0 ) {
1425 return( AFPERR_PARAM );
1427 /* save the volume device number */
1428 vol->v_dev = st.st_dev;
1430 buflen = *rbuflen - sizeof( bitmap );
1431 if (( ret = getvolparams( bitmap, vol, &st,
1432 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1436 *rbuflen = buflen + sizeof( bitmap );
1437 bitmap = htons( bitmap );
1438 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1443 /* ------------------------------- */
1444 void load_volumes(AFPObj *obj)
1446 struct passwd *pwent;
1451 /* check files date */
1452 if (obj->options.defaultvol.loaded) {
1453 changed = volfile_changed(&obj->options.defaultvol);
1455 if (obj->options.systemvol.loaded) {
1456 changed |= volfile_changed(&obj->options.systemvol);
1458 if (obj->options.uservol.loaded) {
1459 changed |= volfile_changed(&obj->options.uservol);
1468 pwent = getpwnam(obj->username);
1469 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1470 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1473 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1474 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1477 * Read user's AppleVolumes or .AppleVolumes file
1478 * If neither are readable, read the default volumes file. if
1479 * that doesn't work, create a user share.
1481 if (obj->options.uservol.name) {
1482 free(obj->options.uservol.name);
1484 obj->options.uservol.name = strdup(pwent->pw_dir);
1485 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1486 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1487 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1488 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1489 obj->options.defaultvol.name != NULL ) {
1490 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1491 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1494 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1495 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1499 /* ------------------------------- */
1500 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1503 int ibuflen, *rbuflen;
1516 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1517 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1518 if ( stat( volume->v_path, &st ) < 0 ) {
1519 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1520 volume->v_path, strerror(errno) );
1521 continue; /* can't access directory */
1523 if (!S_ISDIR(st.st_mode)) {
1524 continue; /* not a dir */
1527 if (volume->v_hide) {
1528 continue; /* config file changed but the volume was mounted */
1530 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1531 &namebuf, volume->v_name);
1532 if (len == (size_t)-1)
1535 /* set password bit if there's a volume password */
1536 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1538 /* Apple 2 clients running ProDOS-8 expect one volume to have
1539 bit 0 of this byte set. They will not recognize anything
1540 on the server unless this is the case. I have not
1541 completely worked this out, but it's related to booting
1542 from the server. Support for that function is a ways
1543 off.. <shirsch@ibm.net> */
1544 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1545 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1547 memcpy(data, namebuf, len );
1553 *rbuflen = data - rbuf;
1555 if ( gettimeofday( &tv, 0 ) < 0 ) {
1556 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1558 return AFPERR_PARAM;
1560 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1561 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1562 data += sizeof( u_int32_t);
1567 /* -------------------------
1568 * we are the user here
1570 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1573 int ibuflen, *rbuflen;
1583 char path[ MAXPATHLEN + 1];
1588 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1589 bitmap = ntohs( bitmap );
1590 ibuf += sizeof( bitmap );
1591 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1593 return AFPERR_BITMAP;
1596 len = (unsigned char)*ibuf++;
1597 volname = obj->oldtmp;
1598 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1599 ibuf, len, volname, sizeof(obj->oldtmp));
1602 return AFPERR_PARAM;
1606 if ((len + 1) & 1) /* pad to an even boundary */
1611 for ( volume = Volumes; volume; volume = volume->v_next ) {
1612 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1617 if ( volume == NULL ) {
1619 return AFPERR_PARAM;
1622 /* check for a volume password */
1623 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1625 return AFPERR_ACCESS;
1628 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1629 /* the volume is already open */
1631 set_uidgid ( volume );
1633 return stat_vol(bitmap, volume, rbuf, rbuflen);
1636 /* initialize volume variables
1639 if (afp_version >= 30) {
1640 volume->max_filename = 255;
1643 volume->max_filename = MACFILELEN;
1646 volume->v_dir = volume->v_root = NULL;
1648 volume->v_flags |= AFPVOL_OPEN;
1649 volume->v_cdb = NULL;
1651 if (volume->v_root_preexec) {
1652 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1653 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1660 set_uidgid ( volume );
1663 if (volume->v_preexec) {
1664 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1665 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1671 if ( stat( volume->v_path, &st ) < 0 ) {
1676 if ( chdir( volume->v_path ) < 0 ) {
1681 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1682 volume->v_name, namelen, &vol_mname);
1683 if ( !vol_mname || len <= 0) {
1688 if ( NULL == getcwd(path, MAXPATHLEN)) {
1689 /* shouldn't be fatal but it will fail later */
1690 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1695 if ((vol_uname = strrchr(path, '/')) == NULL)
1697 else if (*(vol_uname + 1) != '\0')
1700 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1702 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1708 dir->d_did = DIRDID_ROOT;
1709 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1710 volume->v_dir = volume->v_root = dir;
1712 curdir = volume->v_dir;
1713 if (volume->v_cnidscheme == NULL) {
1714 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1715 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1718 if (volume->v_dbpath)
1719 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1721 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1722 if (volume->v_cdb == NULL) {
1723 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1724 volume->v_path, volume->v_cnidscheme);
1731 if (!volume->v_volcodepage)
1732 volume->v_volcodepage = strdup("UTF8");
1734 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1735 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1740 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1741 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1744 if (!volume->v_maccodepage)
1745 volume->v_maccodepage = strdup(obj->options.maccodepage);
1747 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1748 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1753 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1754 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1759 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1760 if (ret == AFP_OK) {
1762 if (!(volume->v_flags & AFPVOL_RO)) {
1763 handle_special_folders( volume );
1764 savevoloptions( volume);
1768 * If you mount a volume twice, the second time the trash appears on
1769 * the desk-top. That's because the Mac remembers the DID for the
1770 * trash (even for volumes in different zones, on different servers).
1771 * Just so this works better, we prime the DID cache with the trash,
1772 * fixing the trash at DID 17.
1773 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1775 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1777 /* FIXME find db time stamp */
1778 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1779 LOG (log_error, logtype_afpd,
1780 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1788 cname( volume, volume->v_dir, &p );
1794 if (volume->v_dir) {
1795 dirfree( volume->v_dir );
1796 volume->v_dir = volume->v_root = NULL;
1799 volume->v_flags &= ~AFPVOL_OPEN;
1800 if (volume->v_cdb != NULL) {
1801 cnid_close(volume->v_cdb);
1802 volume->v_cdb = NULL;
1808 /* ------------------------- */
1809 static void closevol(struct vol *vol)
1814 dirfree( vol->v_root );
1816 if (vol->v_cdb != NULL) {
1817 cnid_close(vol->v_cdb);
1821 if (vol->v_postexec) {
1822 afprun(0, vol->v_postexec, NULL);
1824 if (vol->v_root_postexec) {
1825 afprun(1, vol->v_root_postexec, NULL);
1829 /* ------------------------- */
1830 void close_all_vol(void)
1834 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1835 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1836 ovol->v_flags &= ~AFPVOL_OPEN;
1842 /* ------------------------- */
1843 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1846 int ibuflen, *rbuflen;
1848 struct vol *vol, *ovol;
1853 memcpy(&vid, ibuf, sizeof( vid ));
1854 if (NULL == ( vol = getvolbyvid( vid )) ) {
1855 return( AFPERR_PARAM );
1858 vol->v_flags &= ~AFPVOL_OPEN;
1859 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1860 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1864 if ( ovol != NULL ) {
1865 /* Even if chdir fails, we can't say afp_closevol fails. */
1866 if ( chdir( ovol->v_path ) == 0 ) {
1867 curdir = ovol->v_dir;
1872 if (vol->v_deleted) {
1873 showvol(vol->v_name);
1881 /* ------------------------- */
1882 struct vol *getvolbyvid(const u_int16_t vid )
1886 for ( vol = Volumes; vol; vol = vol->v_next ) {
1887 if ( vid == vol->v_vid ) {
1891 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1897 #endif /* FORCE_UIDGID */
1902 /* ------------------------ */
1903 static int ext_cmp_key(const void *key, const void *obj)
1905 const char *p = key;
1906 const struct extmap *em = obj;
1907 return strdiacasecmp(p, em->em_ext);
1909 struct extmap *getextmap(const char *path)
1914 if (NULL == ( p = strrchr( path, '.' )) ) {
1915 return( Defextmap );
1918 if (!*p || !Extmap_cnt) {
1919 return( Defextmap );
1921 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1925 return( Defextmap );
1929 /* ------------------------- */
1930 struct extmap *getdefextmap(void)
1932 return( Defextmap );
1935 /* --------------------------
1936 poll if a volume is changed by other processes.
1938 int pollvoltime(obj)
1945 if (!(afp_version > 21 && obj->options.server_notif))
1948 if ( gettimeofday( &tv, 0 ) < 0 )
1951 for ( vol = Volumes; vol; vol = vol->v_next ) {
1952 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
1953 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
1954 vol->v_mtime = st.st_mtime;
1955 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
1964 /* ------------------------- */
1965 void setvoltime(obj, vol )
1971 /* just looking at vol->v_mtime is broken seriously since updates
1972 * from other users afpd processes never are seen.
1973 * This is not the most elegant solution (a shared memory between
1974 * the afpd processes would come closer)
1977 if ( gettimeofday( &tv, 0 ) < 0 ) {
1978 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
1981 if( utime( vol->v_path, NULL ) < 0 ) {
1982 /* write of time failed ... probably a read only filesys,
1983 * where no other users can interfere, so there's no issue here
1987 /* a little granularity */
1988 if (vol->v_mtime < tv.tv_sec) {
1989 vol->v_mtime = tv.tv_sec;
1990 /* or finder doesn't update free space */
1991 if (afp_version > 21 && obj->options.server_notif) {
1992 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
1997 /* ------------------------- */
1998 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2001 int ibuflen, *rbuflen;
2004 u_int16_t vid, bitmap;
2007 memcpy(&vid, ibuf, sizeof( vid ));
2008 ibuf += sizeof( vid );
2009 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2010 bitmap = ntohs( bitmap );
2012 if (NULL == ( vol = getvolbyvid( vid )) ) {
2014 return( AFPERR_PARAM );
2017 return stat_vol(bitmap, vol, rbuf, rbuflen);
2020 /* ------------------------- */
2021 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2024 int ibuflen, *rbuflen;
2028 u_int16_t vid, bitmap;
2034 memcpy(&vid, ibuf, sizeof( vid ));
2035 ibuf += sizeof( vid );
2036 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2037 bitmap = ntohs( bitmap );
2038 ibuf += sizeof(bitmap);
2040 if (( vol = getvolbyvid( vid )) == NULL ) {
2041 return( AFPERR_PARAM );
2044 if ((vol->v_flags & AFPVOL_RO))
2045 return AFPERR_VLOCK;
2047 /* we can only set the backup date. */
2048 if (bitmap != (1 << VOLPBIT_BDATE))
2049 return AFPERR_BITMAP;
2051 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2052 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2055 return AFPERR_VLOCK;
2057 return AFPERR_ACCESS;
2060 memcpy(&aint, ibuf, sizeof(aint));
2061 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2062 ad_flush(&ad, ADFLAGS_HF);
2063 ad_close(&ad, ADFLAGS_HF);
2067 /* ------------------------- */
2068 int wincheck(const struct vol *vol, const char *path)
2072 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2075 /* empty paths are not allowed */
2076 if ((len = strlen(path)) == 0)
2079 /* leading or trailing whitespaces are not allowed, carriage returns
2080 * and probably other whitespace is okay, tabs are not allowed
2082 if ((path[0] == ' ') || (path[len-1] == ' '))
2085 /* certain characters are not allowed */
2086 if (strpbrk(path, MSWINDOWS_BADCHARS))
2089 /* everything else is okay */
2095 * precreate a folder
2096 * this is only intended for folders in the volume root
2097 * It will *not* work if the folder name contains extended characters
2099 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2108 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2110 LOG(log_error, logtype_afpd,"malloc failed");
2114 q=strdup(folder->name);
2116 LOG(log_error, logtype_afpd,"malloc failed");
2120 strcpy(p, vol->v_path);
2125 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2127 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2133 if ( (ret = stat( p, &st )) < 0 ) {
2134 if (folder->precreate) {
2135 if (ad_mkdir(p, folder->mode)) {
2136 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2145 if ( !ret && folder->hide) {
2147 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2148 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2149 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2154 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2155 if (ad_getentryoff(&ad, ADEID_NAME)) {
2156 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2157 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2158 ad_getentrylen( &ad, ADEID_NAME ));
2162 ad_getattr(&ad, &attr);
2163 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2164 ad_setattr(&ad, attr);
2166 /* do the same with the finder info */
2167 if (ad_entry(&ad, ADEID_FINDERI)) {
2168 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2169 attr |= htons(FINDERINFO_INVISIBLE);
2170 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2173 ad_flush( &ad, ADFLAGS_HF );
2174 ad_close( &ad, ADFLAGS_HF );
2181 static void handle_special_folders (const struct vol * vol)
2183 const _special_folder *p = &special_folders[0];
2185 if ((vol->v_flags & AFPVOL_RO))
2188 for (; p->name != NULL; p++) {
2189 create_special_folder (vol, p);
2194 * Save the volume options to a file, used by
2196 * Writing the file everytime a volume is opened is
2197 * unnecessary, but it shouldn't hurt much.
2199 static int savevoloptions (const struct vol *vol)
2202 char item[MAXPATHLEN];
2206 const _vol_opt_name *op = &vol_opt_names[0];
2207 const _vol_opt_name *cf = &vol_opt_casefold[0];
2209 strlcpy (item, vol->v_path, sizeof(item));
2210 strlcat (item, "/.AppleDesktop/", sizeof(item));
2211 strlcat (item, VOLINFOFILE, sizeof(item));
2213 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2214 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2218 /* try to get a lock */
2220 lock.l_whence = SEEK_SET;
2222 lock.l_type = F_WRLCK;
2224 if (fcntl(fd, F_SETLK, &lock) < 0) {
2225 if (errno == EACCES || errno == EAGAIN) {
2226 /* ignore, other process already writing the file */
2229 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2234 /* write volume options */
2235 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2236 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2237 strlcat(buf, item, sizeof(buf));
2239 switch (vol->v_adouble) {
2241 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2244 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2246 case AD_VERSION2_OSX:
2247 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2251 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2252 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2253 strlcat(buf, "\n", sizeof(buf));
2255 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2256 strlcat(buf, Cnid_srv, sizeof(buf));
2257 strlcat(buf, "\n", sizeof(buf));
2259 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2260 strlcat(buf, item, sizeof(buf));
2262 strcpy(item, "CNID_DBPATH:");
2264 strlcat(item, vol->v_dbpath, sizeof(item));
2266 strlcat(item, vol->v_path, sizeof(item));
2267 strlcat(item, "\n", sizeof(item));
2268 strlcat(buf, item, sizeof(buf));
2271 strcpy(item, "VOLUME_OPTS:");
2272 for (;op->name; op++) {
2273 if ( (vol->v_flags & op->option) ) {
2274 strlcat(item, op->name, sizeof(item));
2275 strlcat(item, " ", sizeof(item));
2278 strlcat(item, "\n", sizeof(item));
2279 strlcat(buf, item, sizeof(buf));
2281 /* casefold flags */
2282 strcpy(item, "VOLCASEFOLD:");
2283 for (;cf->name; cf++) {
2284 if ( (vol->v_casefold & cf->option) ) {
2285 strlcat(item, cf->name, sizeof(item));
2286 strlcat(item, " ", sizeof(item));
2289 strlcat(item, "\n", sizeof(item));
2290 strlcat(buf, item, sizeof(buf));
2292 if (strlen(buf) >= sizeof(buf)-1)
2293 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2296 if (write( fd, buf, strlen(buf)) < 0) {
2297 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2300 ftruncate(fd, strlen(buf));
2303 lock.l_type = F_UNLCK;
2304 fcntl(fd, F_SETLK, &lock);