2 * $Id: volume.c,v 1.80 2009-02-16 13:49:20 franklahm 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"
58 extern int afprun(int root, char *cmd, int *outfd);
61 #define MIN(a, b) ((a) < (b) ? (a) : (b))
64 #ifndef NO_LARGE_VOL_SUPPORT
65 #if BYTE_ORDER == BIG_ENDIAN
68 #else /* BYTE_ORDER == BIG_ENDIAN */
69 #define hton64(x) ((u_int64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
70 (u_int64_t) ((htonl(x) & 0xffffffffLL) << 32))
71 #define ntoh64(x) (hton64(x))
72 #endif /* BYTE_ORDER == BIG_ENDIAN */
73 #endif /* ! NO_LARGE_VOL_SUPPORT */
75 static struct vol *Volumes = NULL;
76 static u_int16_t lastvid = 0;
77 static char *Trash = "\02\024Network Trash Folder";
79 static struct extmap *Extmap = NULL, *Defextmap = NULL;
80 static int Extmap_cnt;
81 static void free_extmap(void);
83 #define VOLOPT_ALLOW 0 /* user allow list */
84 #define VOLOPT_DENY 1 /* user deny list */
85 #define VOLOPT_RWLIST 2 /* user rw list */
86 #define VOLOPT_ROLIST 3 /* user ro list */
87 #define VOLOPT_PASSWORD 4 /* volume password */
88 #define VOLOPT_CASEFOLD 5 /* character case mangling */
89 #define VOLOPT_FLAGS 6 /* various flags */
90 #define VOLOPT_DBPATH 7 /* path to database */
91 #define VOLOPT_MAPCHARS 8 /* does mtou and utom mappings. syntax:
92 m and u can be double-byte hex
97 !u -> make u illegal always
98 ~u -> make u illegal only as the first
99 part of a double-byte character.
101 #define VOLOPT_VETO 10 /* list of veto filespec */
102 #define VOLOPT_PREEXEC 11 /* preexec command */
103 #define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
105 #define VOLOPT_POSTEXEC 13 /* postexec command */
106 #define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
108 #define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
109 #define VOLOPT_MACCHARSET 16
110 #define VOLOPT_CNIDSCHEME 17
111 #define VOLOPT_ADOUBLE 18 /* adouble version */
116 #define VOLOPT_FORCEUID 19 /* force uid for username x */
117 #define VOLOPT_FORCEGID 20 /* force gid for group x */
118 #endif /* FORCE_UIDGID */
120 #define VOLOPT_UMASK 21
121 #define VOLOPT_DPERM 22 /* dperm default directories perms */
122 #define VOLOPT_FPERM 23 /* fperm default files perms */
123 #define VOLOPT_DFLTPERM 24 /* perm */
125 #define VOLOPT_MAX (VOLOPT_DFLTPERM +1)
127 #define VOLOPT_NUM (VOLOPT_MAX + 1)
130 #define VOLOPT_DEFAULT ":DEFAULT:"
131 #define VOLOPT_DEFAULT_LEN 9
137 typedef struct _special_folder {
144 static const _special_folder special_folders[] = {
145 {"Network Trash Folder", 1, 0777, 1},
146 {"Temporary Items", 1, 0777, 1},
147 {".AppleDesktop", 1, 0777, 0},
149 {"TheFindByContentFolder", 0, 0, 1},
150 {"TheVolumeSettingsFolder", 0, 0, 1},
154 typedef struct _volopt_name {
155 const u_int32_t option;
159 static const _vol_opt_name vol_opt_names[] = {
160 {AFPVOL_A2VOL, "PRODOS"}, /* prodos volume */
161 {AFPVOL_CRLF, "CRLF"}, /* cr/lf translation */
162 {AFPVOL_NOADOUBLE, "NOADOUBLE"}, /* don't create .AppleDouble by default */
163 {AFPVOL_RO, "READONLY"}, /* read-only volume */
164 {AFPVOL_MSWINDOWS, "MSWINDOWS"}, /* deal with ms-windows yuckiness. this is going away. */
165 {AFPVOL_NOHEX, "NOHEX"}, /* don't do :hex translation */
166 {AFPVOL_USEDOTS, "USEDOTS"}, /* use real dots */
167 {AFPVOL_LIMITSIZE, "LIMITSIZE"}, /* limit size for older macs */
168 {AFPVOL_MAPASCII, "MAPASCII"}, /* map the ascii range as well */
169 {AFPVOL_DROPBOX, "DROPBOX"}, /* dropkludge dropbox support */
170 {AFPVOL_NOFILEID, "NOFILEID"}, /* don't advertise createid resolveid and deleteid calls */
171 {AFPVOL_NOSTAT, "NOSTAT"}, /* advertise the volume even if we can't stat() it
172 * maybe because it will be mounted later in preexec */
173 {AFPVOL_UNIX_PRIV, "UNIXPRIV"}, /* support unix privileges */
174 {AFPVOL_NODEV, "NODEV"}, /* always use 0 for device number in cnid calls */
175 {AFPVOL_EILSEQ, "ILLEGALSEQ"}, /* encode illegal sequence */
176 {AFPVOL_CACHE, "CACHEID"}, /* Use adouble v2 CNID caching, default don't use it */
177 {AFPVOL_EXT_ATTRS, "EXT_ATTRS"}, /* Vol supports Extened Attributes */
178 {AFPVOL_ACLS, "ACLS"}, /* Vol supports ACLs */
182 static const _vol_opt_name vol_opt_casefold[] = {
183 {AFPVOL_MTOUUPPER, "MTOULOWER"},
184 {AFPVOL_MTOULOWER, "MTOULOWER"},
185 {AFPVOL_UTOMUPPER, "UTOMUPPER"},
186 {AFPVOL_UTOMLOWER, "UTOMLOWER"},
190 static void handle_special_folders (const struct vol *);
191 static int savevoloptions (const struct vol *);
192 static void deletevol(struct vol *vol);
194 static void volfree(struct vol_option *options,
195 const struct vol_option *save)
200 for (i = 0; i < VOLOPT_MAX; i++) {
201 if (options[i].c_value && (options[i].c_value != save[i].c_value))
202 free(options[i].c_value);
205 for (i = 0; i < VOLOPT_MAX; i++) {
206 if (options[i].c_value)
207 free(options[i].c_value);
213 /* handle variable substitutions. here's what we understand:
214 * $b -> basename of path
215 * $c -> client ip/appletalk address
216 * $d -> volume pathname on server
217 * $f -> full name (whatever's in the gecos field)
220 * $i -> client ip/appletalk address without port
221 * $s -> server name (hostname if it doesn't exist)
222 * $u -> username (guest is usually nobody)
223 * $v -> volume name or basename if null
224 * $z -> zone (may not exist)
229 #define is_var(a, b) (strncmp((a), (b), 2) == 0)
231 static char *volxlate(AFPObj *obj, char *dest, size_t destlen,
232 char *src, struct passwd *pwd, char *path, char *volname)
242 dest = calloc(destlen +1, 1);
248 strlcpy(dest, src, destlen +1);
249 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
252 /* first part of the path. just forward to the next variable. */
253 len = MIN((size_t)(p - src), destlen);
259 while (p && destlen > 0) {
260 /* now figure out what the variable is */
262 if (is_var(p, "$b")) {
264 if ((q = strrchr(path, '/')) == NULL)
266 else if (*(q + 1) != '\0')
269 } else if (is_var(p, "$c")) {
270 if (obj->proto == AFPPROTO_ASP) {
271 ASP asp = obj->handle;
273 len = sprintf(dest, "%u.%u", ntohs(asp->asp_sat.sat_addr.s_net),
274 asp->asp_sat.sat_addr.s_node);
278 } else if (obj->proto == AFPPROTO_DSI) {
279 DSI *dsi = obj->handle;
281 len = sprintf(dest, "%s:%u", inet_ntoa(dsi->client.sin_addr),
282 ntohs(dsi->client.sin_port));
286 } else if (is_var(p, "$d")) {
288 } else if (is_var(p, "$f")) {
289 if ((q = strchr(pwd->pw_gecos, ',')))
292 } else if (is_var(p, "$g")) {
293 struct group *grp = getgrgid(pwd->pw_gid);
296 } else if (is_var(p, "$h")) {
297 q = obj->options.hostname;
298 } else if (is_var(p, "$i")) {
299 if (obj->proto == AFPPROTO_ASP) {
300 ASP asp = obj->handle;
302 len = sprintf(dest, "%u", ntohs(asp->asp_sat.sat_addr.s_net));
306 } else if (obj->proto == AFPPROTO_DSI) {
307 DSI *dsi = obj->handle;
309 q = inet_ntoa(dsi->client.sin_addr);
311 } else if (is_var(p, "$s")) {
314 else if (obj->options.server) {
315 q = obj->options.server;
317 q = obj->options.hostname;
318 } else if (is_var(p, "$u")) {
320 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
324 } else if (is_var(p, "$v")) {
329 if ((q = strrchr(path, '/')) == NULL)
331 else if (*(q + 1) != '\0')
334 } else if (is_var(p, "$z")) {
336 } else if (is_var(p, "$$")) {
341 /* copy the stuff over. if we don't understand something that we
342 * should, just skip it over. */
344 len = MIN(p == q ? 2 : strlen(q), destlen);
345 strncpy(dest, q, len);
350 /* stuff up to next $ */
352 p = strchr(src, '$');
353 len = p ? MIN((size_t)(p - src), destlen) : destlen;
355 strncpy(dest, src, len);
363 /* to make sure that val is valid, make sure to select an opt that
365 static int optionok(const char *buf, const char *opt, const char *val)
367 if (!strstr(buf,opt))
375 /* -------------------- */
376 static void setoption(struct vol_option *options, struct vol_option *save, int opt, const char *val)
378 if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
379 free(options[opt].c_value);
380 options[opt].c_value = strdup(val + 1);
383 /* ------------------------------------------
384 handle all the options. tmp can't be NULL. */
385 static void volset(struct vol_option *options, struct vol_option *save,
386 char *volname, int vlen,
391 val = strchr(tmp, ':');
393 /* we'll assume it's a volume name. */
394 strncpy(volname, tmp, vlen);
399 LOG(log_debug, logtype_afpd, "Parsing volset %s", val);
401 if (optionok(tmp, "allow:", val)) {
402 setoption(options, save, VOLOPT_ALLOW, val);
404 } else if (optionok(tmp, "deny:", val)) {
405 setoption(options, save, VOLOPT_DENY, val);
407 } else if (optionok(tmp, "rwlist:", val)) {
408 setoption(options, save, VOLOPT_RWLIST, val);
410 } else if (optionok(tmp, "rolist:", val)) {
411 setoption(options, save, VOLOPT_ROLIST, val);
413 } else if (optionok(tmp, "codepage:", val)) {
414 LOG (log_error, logtype_afpd, "The old codepage system has been removed. Please make sure to read the documentation !!!!");
415 /* Make sure we don't screw anything */
417 } else if (optionok(tmp, "volcharset:", val)) {
418 setoption(options, save, VOLOPT_ENCODING, val);
419 } else if (optionok(tmp, "maccharset:", val)) {
420 setoption(options, save, VOLOPT_MACCHARSET, val);
421 } else if (optionok(tmp, "veto:", val)) {
422 setoption(options, save, VOLOPT_VETO, val);
423 } else if (optionok(tmp, "cnidscheme:", val)) {
424 setoption(options, save, VOLOPT_CNIDSCHEME, val);
425 } else if (optionok(tmp, "casefold:", val)) {
426 if (strcasecmp(val + 1, "tolower") == 0)
427 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
428 else if (strcasecmp(val + 1, "toupper") == 0)
429 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
430 else if (strcasecmp(val + 1, "xlatelower") == 0)
431 options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
432 else if (strcasecmp(val + 1, "xlateupper") == 0)
433 options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
434 } else if (optionok(tmp, "adouble:", val)) {
435 if (strcasecmp(val + 1, "v1") == 0)
436 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1;
437 #if AD_VERSION == AD_VERSION2
438 else if (strcasecmp(val + 1, "v2") == 0)
439 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
440 else if (strcasecmp(val + 1, "osx") == 0)
441 options[VOLOPT_ADOUBLE].i_value = AD_VERSION2_OSX;
442 else if (strcasecmp(val + 1, "ads") == 0)
443 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_ADS;
444 else if (strcasecmp(val + 1, "sfm") == 0)
445 options[VOLOPT_ADOUBLE].i_value = AD_VERSION1_SFM;
447 } else if (optionok(tmp, "options:", val)) {
450 if ((p = strtok(val + 1, ",")) == NULL) /* nothing */
454 if (strcasecmp(p, "prodos") == 0)
455 options[VOLOPT_FLAGS].i_value |= AFPVOL_A2VOL;
456 else if (strcasecmp(p, "mswindows") == 0) {
457 options[VOLOPT_FLAGS].i_value |= AFPVOL_MSWINDOWS | AFPVOL_USEDOTS;
458 } else if (strcasecmp(p, "crlf") == 0)
459 options[VOLOPT_FLAGS].i_value |= AFPVOL_CRLF;
460 else if (strcasecmp(p, "noadouble") == 0)
461 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOADOUBLE;
462 else if (strcasecmp(p, "ro") == 0)
463 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
464 else if (strcasecmp(p, "nohex") == 0)
465 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
466 else if (strcasecmp(p, "usedots") == 0)
467 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
468 else if (strcasecmp(p, "invisibledots") == 0)
469 options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_INV_DOTS;
470 else if (strcasecmp(p, "limitsize") == 0)
471 options[VOLOPT_FLAGS].i_value |= AFPVOL_LIMITSIZE;
472 /* support for either "dropbox" or "dropkludge" */
473 else if (strcasecmp(p, "dropbox") == 0)
474 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
475 else if (strcasecmp(p, "dropkludge") == 0)
476 options[VOLOPT_FLAGS].i_value |= AFPVOL_DROPBOX;
477 else if (strcasecmp(p, "nofileid") == 0)
478 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOFILEID;
479 else if (strcasecmp(p, "nostat") == 0)
480 options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
481 else if (strcasecmp(p, "preexec_close") == 0)
482 options[VOLOPT_PREEXEC].i_value = 1;
483 else if (strcasecmp(p, "root_preexec_close") == 0)
484 options[VOLOPT_ROOTPREEXEC].i_value = 1;
485 else if (strcasecmp(p, "upriv") == 0)
486 options[VOLOPT_FLAGS].i_value |= AFPVOL_UNIX_PRIV;
487 else if (strcasecmp(p, "extattrs") == 0)
488 options[VOLOPT_FLAGS].i_value |= AFPVOL_EXT_ATTRS;
489 else if (strcasecmp(p, "acls") == 0)
490 options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
491 else if (strcasecmp(p, "nodev") == 0)
492 options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
493 else if (strcasecmp(p, "illegalseq") == 0)
494 options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
495 else if (strcasecmp(p, "cachecnid") == 0)
496 options[VOLOPT_FLAGS].i_value |= AFPVOL_CACHE;
498 p = strtok(NULL, ",");
501 } else if (optionok(tmp, "dbpath:", val)) {
502 setoption(options, save, VOLOPT_DBPATH, val);
504 } else if (optionok(tmp, "umask:", val)) {
505 options[VOLOPT_UMASK].i_value = (int)strtol(val +1, NULL, 8);
506 } else if (optionok(tmp, "dperm:", val)) {
507 options[VOLOPT_DPERM].i_value = (int)strtol(val+1, NULL, 8);
508 } else if (optionok(tmp, "fperm:", val)) {
509 options[VOLOPT_FPERM].i_value = (int)strtol(val+1, NULL, 8);
510 } else if (optionok(tmp, "perm:", val)) {
511 options[VOLOPT_DFLTPERM].i_value = (int)strtol(val+1, NULL, 8);
512 } else if (optionok(tmp, "mapchars:",val)) {
513 setoption(options, save, VOLOPT_MAPCHARS, val);
515 } else if (optionok(tmp, "password:", val)) {
516 setoption(options, save, VOLOPT_PASSWORD, val);
520 /* this code allows forced uid/gid per volume settings */
521 } else if (optionok(tmp, "forceuid:", val)) {
522 setoption(options, save, VOLOPT_FORCEUID, val);
523 } else if (optionok(tmp, "forcegid:", val)) {
524 setoption(options, save, VOLOPT_FORCEGID, val);
526 #endif /* FORCE_UIDGID */
527 } else if (optionok(tmp, "root_preexec:", val)) {
528 setoption(options, save, VOLOPT_ROOTPREEXEC, val);
530 } else if (optionok(tmp, "preexec:", val)) {
531 setoption(options, save, VOLOPT_PREEXEC, val);
533 } else if (optionok(tmp, "root_postexec:", val)) {
534 setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
536 } else if (optionok(tmp, "postexec:", val)) {
537 setoption(options, save, VOLOPT_POSTEXEC, val);
540 /* ignore unknown options */
541 LOG(log_debug, logtype_afpd, "ignoring unknown volume option: %s", tmp);
546 /* ----------------- */
547 static void showvol(const ucs2_t *name)
550 for ( volume = Volumes; volume; volume = volume->v_next ) {
551 if (volume->v_hide && !strcasecmp_w( volume->v_name, name ) ) {
558 /* ------------------------------- */
559 static int creatvol(AFPObj *obj, struct passwd *pwd,
560 char *path, char *name,
561 struct vol_option *options,
562 const int user /* user defined volume */
570 if ( name == NULL || *name == '\0' ) {
571 if ((name = strrchr( path, '/' )) == NULL) {
572 return -1; /* Obviously not a fully qualified path */
575 /* if you wish to share /, you need to specify a name. */
580 vlen = strlen( name );
581 if ( vlen > AFPVOL_NAMELEN ) {
582 vlen = AFPVOL_NAMELEN;
583 name[AFPVOL_NAMELEN] = '\0';
586 /* convert name to UCS2 first */
587 if ( 0 >= ( vlen = convert_string(obj->options.unixcharset, CH_UCS2, name, vlen, tmpname, 512)) )
590 for ( volume = Volumes; volume; volume = volume->v_next ) {
591 if ( strcasecmp_w( volume->v_name, tmpname ) == 0 ) {
592 if (volume->v_deleted) {
593 volume->v_new = hide = 1;
596 return -1; /* Won't be able to access it, anyway... */
602 if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
603 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
606 if ( NULL == ( volume->v_name = strdup_w(tmpname))) {
607 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
611 if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
612 LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
613 free(volume->v_name);
617 volume->v_hide = hide;
618 strcpy( volume->v_path, path );
622 #endif /* __svr4__ */
623 /* os X start at 1 and use network order ie. 1 2 3 */
624 volume->v_vid = ++lastvid;
625 volume->v_vid = htons(volume->v_vid);
629 /* should we casefold? */
630 volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
632 /* shift in some flags */
633 volume->v_flags = options[VOLOPT_FLAGS].i_value;
635 volume->v_ad_options = 0;
636 if ((volume->v_flags & AFPVOL_NODEV))
637 volume->v_ad_options |= ADVOL_NODEV;
638 if ((volume->v_flags & AFPVOL_CACHE))
639 volume->v_ad_options |= ADVOL_CACHE;
640 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
641 volume->v_ad_options |= ADVOL_UNIXPRIV;
642 if ((volume->v_flags & AFPVOL_INV_DOTS))
643 volume->v_ad_options |= ADVOL_INVDOTS;
645 if (options[VOLOPT_PASSWORD].c_value)
646 volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
648 if (options[VOLOPT_VETO].c_value)
649 volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
651 if (options[VOLOPT_ENCODING].c_value)
652 volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
654 if (options[VOLOPT_MACCHARSET].c_value)
655 volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
657 if (options[VOLOPT_DBPATH].c_value)
658 volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
660 if (options[VOLOPT_CNIDSCHEME].c_value)
661 volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
663 if (options[VOLOPT_UMASK].i_value)
664 volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
666 if (options[VOLOPT_DPERM].i_value)
667 volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
669 if (options[VOLOPT_FPERM].i_value)
670 volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
672 if (options[VOLOPT_DFLTPERM].i_value)
673 volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
675 if (options[VOLOPT_ADOUBLE].i_value)
676 volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
678 volume->v_adouble = AD_VERSION;
682 if (options[VOLOPT_FORCEUID].c_value) {
683 volume->v_forceuid = strdup(options[VOLOPT_FORCEUID].c_value);
685 volume->v_forceuid = NULL; /* set as null so as to return 0 later on */
688 if (options[VOLOPT_FORCEGID].c_value) {
689 volume->v_forcegid = strdup(options[VOLOPT_FORCEGID].c_value);
691 volume->v_forcegid = NULL; /* set as null so as to return 0 later on */
695 if (options[VOLOPT_PREEXEC].c_value)
696 volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
697 volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
699 if (options[VOLOPT_POSTEXEC].c_value)
700 volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
702 if (options[VOLOPT_ROOTPREEXEC].c_value)
703 volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
704 volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
706 if (options[VOLOPT_ROOTPOSTEXEC].c_value)
707 volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
710 volume->v_dperm |= volume->v_perm;
711 volume->v_fperm |= volume->v_perm;
713 volume->v_next = Volumes;
718 /* ---------------- */
719 static char *myfgets( buf, size, fp )
728 while ((EOF != ( c = getc( fp )) ) && ( size > 1 )) {
729 if ( c == '\n' || c == '\r' ) {
730 if (p != buf && *(p -1) == '\\') {
752 /* check access list. this function wants something of the following
754 * @group,name,name2,@group2,name3
756 * a NULL argument allows everybody to have access.
757 * we return three things:
759 * 0: list exists, but name isn't in it
763 #ifndef NO_REAL_USER_NAME
764 /* authentication is case insensitive
765 * FIXME should we do the same with group name?
767 #define access_strcmp strcasecmp
770 #define access_strcmp strcmp
774 static int accessvol(args, name)
778 char buf[MAXPATHLEN + 1], *p;
784 strlcpy(buf, args, sizeof(buf));
785 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
789 if (*p == '@') { /* it's a group */
790 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid))
792 } else if (access_strcmp(p, name) == 0) /* it's a user name */
794 p = strtok(NULL, ",");
800 static void setextmap( ext, type, creator, user)
801 char *ext, *type, *creator;
807 if (Extmap == NULL) {
808 if (( Extmap = calloc(1, sizeof( struct extmap ))) == NULL ) {
809 LOG(log_error, logtype_afpd, "setextmap: calloc: %s", strerror(errno) );
814 for ( em = Extmap, cnt = 0; em->em_ext; em++, cnt++) {
815 if ( (strdiacasecmp( em->em_ext, ext )) == 0 ) {
820 if ( em->em_ext == NULL ) {
821 if (!(Extmap = realloc( Extmap, sizeof( struct extmap ) * (cnt +2))) ) {
822 LOG(log_error, logtype_afpd, "setextmap: realloc: %s", strerror(errno) );
825 (Extmap +cnt +1)->em_ext = NULL;
827 } else if ( !user ) {
833 if (!(em->em_ext = strdup( ext))) {
834 LOG(log_error, logtype_afpd, "setextmap: strdup: %s", strerror(errno) );
838 if ( *type == '\0' ) {
839 memcpy(em->em_type, "????", sizeof( em->em_type ));
841 memcpy(em->em_type, type, sizeof( em->em_type ));
843 if ( *creator == '\0' ) {
844 memcpy(em->em_creator, "UNIX", sizeof( em->em_creator ));
846 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
850 /* -------------------------- */
851 static int extmap_cmp(const void *map1, const void *map2)
853 const struct extmap *em1 = map1;
854 const struct extmap *em2 = map2;
855 return strdiacasecmp(em1->em_ext, em2->em_ext);
858 static void sortextmap( void)
863 if ((em = Extmap) == NULL) {
871 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
872 if (*Extmap->em_ext == 0) {
873 /* the first line is really "." the default entry,
874 * we remove the leading '.' in setextmap
881 /* ----------------------
883 static void free_extmap( void)
888 for ( em = Extmap; em->em_ext; em++) {
898 /* ----------------------
900 static int volfile_changed(struct afp_volume_name *p)
910 if (!stat( name, &st) && st.st_mtime > p->mtime) {
911 p->mtime = st.st_mtime;
917 /* ----------------------
918 * Read a volume configuration file and add the volumes contained within to
919 * the global volume list. If p2 is non-NULL, the file that is opened is
922 * Lines that begin with # and blank lines are ignored.
923 * Volume lines are of the form:
924 * <unix path> [<volume name>] [allow:<user>,<@group>,...] \
925 * [codepage:<file>] [casefold:<num>]
926 * <extension> TYPE [CREATOR]
928 static int readvolfile(obj, p1, p2, user, pwent)
930 struct afp_volume_name *p1;
933 struct passwd *pwent;
936 char path[ MAXPATHLEN + 1], tmp[ MAXPATHLEN + 1],
937 volname[ AFPVOL_NAMELEN + 1 ], buf[ BUFSIZ ],
938 type[ 5 ], creator[ 5 ];
941 struct vol_option options[VOLOPT_NUM], save_options[VOLOPT_NUM];
949 strcpy( path, p1->name );
956 p1->full_name = strdup(path);
959 if (NULL == ( fp = fopen( path, "r" )) ) {
963 if (fd != -1 && !fstat( fd, &st) ) {
964 p1->mtime = st.st_mtime;
967 memset(save_options, 0, sizeof(save_options));
968 while ( myfgets( buf, sizeof( buf ), fp ) != NULL ) {
969 initline( strlen( buf ), buf );
970 parseline( sizeof( path ) - 1, path );
977 /* change the default options for this file */
978 if (strncmp(path, VOLOPT_DEFAULT, VOLOPT_DEFAULT_LEN) == 0) {
980 for (i = 0; i < VOLOPT_NUM; i++) {
981 if (parseline( sizeof( path ) - VOLOPT_DEFAULT_LEN - 1,
982 path + VOLOPT_DEFAULT_LEN) < 0)
984 volset(save_options, NULL, tmp, sizeof(tmp) - 1,
985 path + VOLOPT_DEFAULT_LEN);
991 if (( p = strchr( path, '/' )) != NULL ) {
999 if ( u == NULL || *u == '\0' || ( pw = getpwnam( u )) == NULL ) {
1002 strcpy( tmp, pw->pw_dir );
1003 if ( p != NULL && *p != '\0' ) {
1007 /* Tag a user's home directory with their umask. Note, this will
1008 * be overwritten if the user actually specifies a umask: option
1009 * for a '~' volume. */
1010 save_options[VOLOPT_UMASK].i_value = obj->options.save_mask;
1014 /* send path through variable substitution */
1015 if (*path != '~') /* need to copy path to tmp */
1018 pwent = getpwnam(obj->username);
1019 volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL);
1021 /* this is sort of braindead. basically, i want to be
1022 * able to specify things in any order, but i don't want to
1023 * re-write everything.
1025 * currently we have options:
1033 * options:prodos,crlf,noadouble,ro...
1038 * namemask:x,y,!z (not implemented yet)
1040 memcpy(options, save_options, sizeof(options));
1043 /* read in up to VOLOP_NUM possible options */
1044 for (i = 0; i < VOLOPT_NUM; i++) {
1045 if (parseline( sizeof( tmp ) - 1, tmp ) < 0)
1048 volset(options, save_options, volname, sizeof(volname) - 1, tmp);
1051 /* check allow/deny lists:
1052 allow -> either no list (-1), or in list (1)
1053 deny -> either no list (-1), or not in list (0) */
1054 if (accessvol(options[VOLOPT_ALLOW].c_value, obj->username) &&
1055 (accessvol(options[VOLOPT_DENY].c_value, obj->username) < 1)) {
1057 /* handle read-only behaviour. semantics:
1058 * 1) neither the rolist nor the rwlist exist -> rw
1059 * 2) rolist exists -> ro if user is in it.
1060 * 3) rwlist exists -> ro unless user is in it. */
1061 if (((options[VOLOPT_FLAGS].i_value & AFPVOL_RO) == 0) &&
1062 ((accessvol(options[VOLOPT_ROLIST].c_value,
1063 obj->username) == 1) ||
1064 !accessvol(options[VOLOPT_RWLIST].c_value,
1066 options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
1068 /* do variable substitution for volname */
1069 volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL);
1070 creatvol(obj, pwent, path, tmp, options, p2 != NULL);
1072 volfree(options, save_options);
1076 parseline( sizeof( type ) - 1, type );
1077 parseline( sizeof( creator ) - 1, creator );
1078 setextmap( path, type, creator, user);
1085 volfree(save_options, NULL);
1087 if ( fclose( fp ) != 0 ) {
1088 LOG(log_error, logtype_afpd, "readvolfile: fclose: %s", strerror(errno) );
1094 /* ------------------------------- */
1095 static void volume_free(struct vol *vol)
1100 free(vol->v_password);
1102 free(vol->v_volcodepage);
1103 free(vol->v_maccodepage);
1104 free(vol->v_cnidscheme);
1105 free(vol->v_dbpath);
1108 free(vol->v_forceuid);
1109 free(vol->v_forcegid);
1110 #endif /* FORCE_UIDGID */
1113 /* ------------------------------- */
1114 static void free_volumes(void )
1117 struct vol *nvol, *ovol;
1119 for ( vol = Volumes; vol; vol = vol->v_next ) {
1120 if (( vol->v_flags & AFPVOL_OPEN ) ) {
1127 for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
1130 if (vol->v_name == NULL) {
1131 if (Volumes == vol) {
1136 ovol->v_next = nvol;
1146 /* ------------------------------- */
1147 static void volume_unlink(struct vol *volume)
1149 struct vol *vol, *ovol, *nvol;
1151 if (volume == Volumes) {
1152 Volumes = Volumes->v_next;
1155 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1158 if (vol == volume) {
1159 ovol->v_next = nvol;
1168 static int getvolspace( vol, bfree, btotal, xbfree, xbtotal, bsize )
1170 u_int32_t *bfree, *btotal, *bsize;
1171 VolSpace *xbfree, *xbtotal;
1175 #ifndef NO_QUOTA_SUPPORT
1176 VolSpace qfree, qtotal;
1179 spaceflag = AFPVOL_GVSMASK & vol->v_flags;
1180 /* report up to 2GB if afp version is < 2.2 (4GB if not) */
1181 maxsize = (vol->v_flags & AFPVOL_A2VOL) ? 0x01fffe00 :
1182 (((afp_version < 22) || (vol->v_flags & AFPVOL_LIMITSIZE))
1183 ? 0x7fffffffL : 0xffffffffL);
1186 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_AFSGVS ) {
1187 if ( afs_getvolspace( vol, xbfree, xbtotal, bsize ) == AFP_OK ) {
1188 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_AFSGVS;
1189 goto getvolspace_done;
1194 if (( rc = ustatfs_getvolspace( vol, xbfree, xbtotal,
1195 bsize)) != AFP_OK ) {
1199 #define min(a,b) ((a)<(b)?(a):(b))
1200 #ifndef NO_QUOTA_SUPPORT
1201 if ( spaceflag == AFPVOL_NONE || spaceflag == AFPVOL_UQUOTA ) {
1202 if ( uquota_getvolspace( vol, &qfree, &qtotal, *bsize ) == AFP_OK ) {
1203 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_UQUOTA;
1204 *xbfree = min(*xbfree, qfree);
1205 *xbtotal = min( *xbtotal, qtotal);
1206 goto getvolspace_done;
1210 vol->v_flags = ( ~AFPVOL_GVSMASK & vol->v_flags ) | AFPVOL_USTATFS;
1213 *bfree = min( *xbfree, maxsize);
1214 *btotal = min( *xbtotal, maxsize);
1218 /* -----------------------
1219 * set volume creation date
1220 * avoid duplicate, well at least it tries
1222 static void vol_setdate(u_int16_t id, struct adouble *adp, time_t date)
1225 struct vol *vol = Volumes;
1227 for ( volume = Volumes; volume; volume = volume->v_next ) {
1228 if (volume->v_vid == id) {
1231 else if ((time_t)(AD_DATE_FROM_UNIX(date)) == volume->v_ctime) {
1233 volume = Volumes; /* restart */
1236 vol->v_ctime = AD_DATE_FROM_UNIX(date);
1237 ad_setdate(adp, AD_DATE_CREATE | AD_DATE_UNIX, date);
1240 /* ----------------------- */
1241 static int getvolparams( bitmap, vol, st, buf, buflen )
1249 int bit = 0, isad = 1;
1252 u_int32_t bfree, btotal, bsize;
1253 VolSpace xbfree, xbtotal; /* extended bytes */
1254 char *data, *nameoff = NULL;
1257 /* courtesy of jallison@whistle.com:
1258 * For MacOS8.x support we need to create the
1259 * .Parent file here if it doesn't exist. */
1261 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
1262 if ( ad_open_metadata( vol->v_path, vol_noadouble(vol) | ADFLAGS_DIR, O_CREAT, &ad) < 0 ) {
1264 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1266 } else if (ad_get_MD_flags( &ad ) & O_CREAT) {
1267 slash = strrchr( vol->v_path, '/' );
1271 slash = vol->v_path;
1272 if (ad_getentryoff(&ad, ADEID_NAME)) {
1273 ad_setentrylen( &ad, ADEID_NAME, strlen( slash ));
1274 memcpy(ad_entry( &ad, ADEID_NAME ), slash,
1275 ad_getentrylen( &ad, ADEID_NAME ));
1277 vol_setdate(vol->v_vid, &ad, st->st_mtime);
1281 if (ad_getdate(&ad, AD_DATE_CREATE, &aint) < 0)
1282 vol->v_ctime = AD_DATE_FROM_UNIX(st->st_mtime);
1284 vol->v_ctime = aint;
1287 if (( bitmap & ( (1<<VOLPBIT_BFREE)|(1<<VOLPBIT_BTOTAL) |
1288 (1<<VOLPBIT_XBFREE)|(1<<VOLPBIT_XBTOTAL) |
1289 (1<<VOLPBIT_BSIZE)) ) != 0 ) {
1290 if ( getvolspace( vol, &bfree, &btotal, &xbfree, &xbtotal,
1293 ad_close( &ad, ADFLAGS_HF );
1295 return( AFPERR_PARAM );
1300 while ( bitmap != 0 ) {
1301 while (( bitmap & 1 ) == 0 ) {
1309 if (0 == (vol->v_flags & AFPVOL_NOFILEID) && vol->v_cdb != NULL &&
1310 (vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1311 ashort = VOLPBIT_ATTR_FILEID;
1313 /* check for read-only.
1314 * NOTE: we don't actually set the read-only flag unless
1315 * it's passed in that way as it's possible to mount
1316 * a read-write filesystem under a read-only one. */
1317 if ((vol->v_flags & AFPVOL_RO) ||
1318 ((utime(vol->v_path, NULL) < 0) && (errno == EROFS))) {
1319 ashort |= VOLPBIT_ATTR_RO;
1321 ashort |= VOLPBIT_ATTR_CATSEARCH;
1322 if (afp_version >= 30) {
1323 ashort |= VOLPBIT_ATTR_UTF8;
1324 if (vol->v_flags & AFPVOL_UNIX_PRIV)
1325 ashort |= VOLPBIT_ATTR_UNIXPRIV;
1327 if (afp_version >= 32) {
1328 if (vol->v_flags & AFPVOL_EXT_ATTRS)
1329 ashort |= VOLPBIT_ATTR_EXT_ATTRS;
1330 if (vol->v_flags & AFPVOL_ACLS)
1331 ashort |= VOLPBIT_ATTR_ACLS;
1333 ashort = htons(ashort);
1334 memcpy(data, &ashort, sizeof( ashort ));
1335 data += sizeof( ashort );
1339 ashort = htons( AFPVOLSIG_DEFAULT );
1340 memcpy(data, &ashort, sizeof( ashort ));
1341 data += sizeof( ashort );
1344 case VOLPBIT_CDATE :
1345 aint = vol->v_ctime;
1346 memcpy(data, &aint, sizeof( aint ));
1347 data += sizeof( aint );
1350 case VOLPBIT_MDATE :
1351 if ( st->st_mtime > vol->v_mtime ) {
1352 vol->v_mtime = st->st_mtime;
1354 aint = AD_DATE_FROM_UNIX(vol->v_mtime);
1355 memcpy(data, &aint, sizeof( aint ));
1356 data += sizeof( aint );
1359 case VOLPBIT_BDATE :
1360 if (!isad || (ad_getdate(&ad, AD_DATE_BACKUP, &aint) < 0))
1361 aint = AD_DATE_START;
1362 memcpy(data, &aint, sizeof( aint ));
1363 data += sizeof( aint );
1367 memcpy(data, &vol->v_vid, sizeof( vol->v_vid ));
1368 data += sizeof( vol->v_vid );
1371 case VOLPBIT_BFREE :
1372 bfree = htonl( bfree );
1373 memcpy(data, &bfree, sizeof( bfree ));
1374 data += sizeof( bfree );
1377 case VOLPBIT_BTOTAL :
1378 btotal = htonl( btotal );
1379 memcpy(data, &btotal, sizeof( btotal ));
1380 data += sizeof( btotal );
1383 #ifndef NO_LARGE_VOL_SUPPORT
1384 case VOLPBIT_XBFREE :
1385 xbfree = hton64( xbfree );
1386 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1387 bcopy(&xbfree, data, sizeof(xbfree));
1388 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1389 memcpy(data, &xbfree, sizeof( xbfree ));
1390 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1391 data += sizeof( xbfree );
1394 case VOLPBIT_XBTOTAL :
1395 xbtotal = hton64( xbtotal );
1396 #if defined(__GNUC__) && defined(HAVE_GCC_MEMCPY_BUG)
1397 bcopy(&xbtotal, data, sizeof(xbtotal));
1398 #else /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1399 memcpy(data, &xbtotal, sizeof( xbtotal ));
1400 #endif /* __GNUC__ && HAVE_GCC_MEMCPY_BUG */
1401 data += sizeof( xbfree );
1403 #endif /* ! NO_LARGE_VOL_SUPPORT */
1407 data += sizeof( u_int16_t );
1410 case VOLPBIT_BSIZE: /* block size */
1411 bsize = htonl(bsize);
1412 memcpy(data, &bsize, sizeof(bsize));
1413 data += sizeof(bsize);
1418 ad_close( &ad, ADFLAGS_HF );
1420 return( AFPERR_BITMAP );
1426 ashort = htons( data - buf );
1427 memcpy(nameoff, &ashort, sizeof( ashort ));
1428 /* name is always in mac charset, FIXME mangle if length > 27 char */
1429 aint = ucs2_to_charset( vol->v_maccharset, vol->v_name, data+1, 255);
1439 ad_close_metadata( &ad);
1441 *buflen = data - buf;
1445 /* ------------------------- */
1446 static int stat_vol(u_int16_t bitmap, struct vol *vol, char *rbuf, int *rbuflen)
1451 if ( stat( vol->v_path, &st ) < 0 ) {
1453 return( AFPERR_PARAM );
1455 /* save the volume device number */
1456 vol->v_dev = st.st_dev;
1458 buflen = *rbuflen - sizeof( bitmap );
1459 if (( ret = getvolparams( bitmap, vol, &st,
1460 rbuf + sizeof( bitmap ), &buflen )) != AFP_OK ) {
1464 *rbuflen = buflen + sizeof( bitmap );
1465 bitmap = htons( bitmap );
1466 memcpy(rbuf, &bitmap, sizeof( bitmap ));
1471 /* ------------------------------- */
1472 void load_volumes(AFPObj *obj)
1474 struct passwd *pwent;
1479 /* check files date */
1480 if (obj->options.defaultvol.loaded) {
1481 changed = volfile_changed(&obj->options.defaultvol);
1483 if (obj->options.systemvol.loaded) {
1484 changed |= volfile_changed(&obj->options.systemvol);
1486 if (obj->options.uservol.loaded) {
1487 changed |= volfile_changed(&obj->options.uservol);
1496 pwent = getpwnam(obj->username);
1497 if ( (obj->options.flags & OPTION_USERVOLFIRST) == 0 ) {
1498 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent);
1501 if ((*obj->username == '\0') || (obj->options.flags & OPTION_NOUSERVOL)) {
1502 readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent);
1505 * Read user's AppleVolumes or .AppleVolumes file
1506 * If neither are readable, read the default volumes file. if
1507 * that doesn't work, create a user share.
1509 if (obj->options.uservol.name) {
1510 free(obj->options.uservol.name);
1512 obj->options.uservol.name = strdup(pwent->pw_dir);
1513 if ( readvolfile(obj, &obj->options.uservol, "AppleVolumes", 1, pwent) < 0 &&
1514 readvolfile(obj, &obj->options.uservol, ".AppleVolumes", 1, pwent) < 0 &&
1515 readvolfile(obj, &obj->options.uservol, "applevolumes", 1, pwent) < 0 &&
1516 readvolfile(obj, &obj->options.uservol, ".applevolumes", 1, pwent) < 0 &&
1517 obj->options.defaultvol.name != NULL ) {
1518 if (readvolfile(obj, &obj->options.defaultvol, NULL, 1, pwent) < 0)
1519 creatvol(obj, pwent, pwent->pw_dir, NULL, NULL, 1);
1522 if ( obj->options.flags & OPTION_USERVOLFIRST ) {
1523 readvolfile(obj, &obj->options.systemvol, NULL, 0, pwent );
1526 if ( obj->options.closevol ) {
1529 for ( vol = Volumes; vol; vol = vol->v_next ) {
1530 if (vol->v_deleted && !vol->v_new ) {
1539 /* ------------------------------- */
1540 int afp_getsrvrparms(obj, ibuf, ibuflen, rbuf, rbuflen )
1542 char *ibuf _U_, *rbuf;
1543 int ibuflen _U_, *rbuflen;
1556 for ( vcnt = 0, volume = Volumes; volume; volume = volume->v_next ) {
1557 if (!(volume->v_flags & AFPVOL_NOSTAT)) {
1560 if ( stat( volume->v_path, &st ) < 0 ) {
1561 LOG(log_info, logtype_afpd, "afp_getsrvrparms(%s): stat: %s",
1562 volume->v_path, strerror(errno) );
1563 continue; /* can't access directory */
1565 if (!S_ISDIR(st.st_mode)) {
1566 continue; /* not a dir */
1568 accessmode(volume->v_path, &ma, NULL, &st);
1569 if ((ma.ma_user & (AR_UREAD | AR_USEARCH)) != (AR_UREAD | AR_USEARCH)) {
1570 continue; /* no r-x access */
1573 if (volume->v_hide) {
1574 continue; /* config file changed but the volume was mounted */
1576 len = ucs2_to_charset_allocate((utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1577 &namebuf, volume->v_name);
1578 if (len == (size_t)-1)
1581 /* set password bit if there's a volume password */
1582 *data = (volume->v_password) ? AFPSRVR_PASSWD : 0;
1584 /* Apple 2 clients running ProDOS-8 expect one volume to have
1585 bit 0 of this byte set. They will not recognize anything
1586 on the server unless this is the case. I have not
1587 completely worked this out, but it's related to booting
1588 from the server. Support for that function is a ways
1589 off.. <shirsch@ibm.net> */
1590 *data |= (volume->v_flags & AFPVOL_A2VOL) ? AFPSRVR_CONFIGINFO : 0;
1591 *data++ |= 0; /* UNIX PRIVS BIT ..., OSX doesn't seem to use it, so we don't either */
1593 memcpy(data, namebuf, len );
1599 *rbuflen = data - rbuf;
1601 if ( gettimeofday( &tv, 0 ) < 0 ) {
1602 LOG(log_error, logtype_afpd, "afp_getsrvrparms(%s): gettimeofday: %s", volume->v_path, strerror(errno) );
1604 return AFPERR_PARAM;
1606 tv.tv_sec = AD_DATE_FROM_UNIX(tv.tv_sec);
1607 memcpy(data, &tv.tv_sec, sizeof( u_int32_t));
1608 data += sizeof( u_int32_t);
1613 /* -------------------------
1614 * we are the user here
1616 int afp_openvol(obj, ibuf, ibuflen, rbuf, rbuflen )
1619 int ibuflen _U_, *rbuflen;
1629 char path[ MAXPATHLEN + 1];
1635 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1636 bitmap = ntohs( bitmap );
1637 ibuf += sizeof( bitmap );
1638 if (( bitmap & (1<<VOLPBIT_VID)) == 0 ) {
1640 return AFPERR_BITMAP;
1643 len = (unsigned char)*ibuf++;
1644 volname = obj->oldtmp;
1646 if ((volname_tmp = strchr(volname,'+')) != NULL)
1647 volname = volname_tmp+1;
1649 namelen = convert_string( (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset), CH_UCS2,
1650 ibuf, len, volname, sizeof(obj->oldtmp));
1653 return AFPERR_PARAM;
1657 if ((len + 1) & 1) /* pad to an even boundary */
1662 for ( volume = Volumes; volume; volume = volume->v_next ) {
1663 if ( strcasecmp_w( (ucs2_t*) volname, volume->v_name ) == 0 ) {
1668 if ( volume == NULL ) {
1670 return AFPERR_PARAM;
1673 /* check for a volume password */
1674 if (volume->v_password && strncmp(ibuf, volume->v_password, VOLPASSLEN)) {
1676 return AFPERR_ACCESS;
1679 if (( volume->v_flags & AFPVOL_OPEN ) ) {
1680 /* the volume is already open */
1682 set_uidgid ( volume );
1684 return stat_vol(bitmap, volume, rbuf, rbuflen);
1687 /* initialize volume variables
1690 if (afp_version >= 30) {
1691 volume->max_filename = 255;
1694 volume->max_filename = MACFILELEN;
1697 volume->v_dir = volume->v_root = NULL;
1698 volume->v_hash = NULL;
1700 volume->v_flags |= AFPVOL_OPEN;
1701 volume->v_cdb = NULL;
1703 if (volume->v_root_preexec) {
1704 if ((ret = afprun(1, volume->v_root_preexec, NULL)) && volume->v_root_preexec_close) {
1705 LOG(log_error, logtype_afpd, "afp_openvol(%s): root preexec : %d", volume->v_path, ret );
1712 set_uidgid ( volume );
1715 if (volume->v_preexec) {
1716 if ((ret = afprun(0, volume->v_preexec, NULL)) && volume->v_preexec_close) {
1717 LOG(log_error, logtype_afpd, "afp_openvol(%s): preexec : %d", volume->v_path, ret );
1723 if ( stat( volume->v_path, &st ) < 0 ) {
1728 if ( chdir( volume->v_path ) < 0 ) {
1733 len = convert_string_allocate( CH_UCS2, (utf8_encoding()?CH_UTF8_MAC:obj->options.maccharset),
1734 volume->v_name, namelen, &vol_mname);
1735 if ( !vol_mname || len <= 0) {
1740 if ( NULL == getcwd(path, MAXPATHLEN)) {
1741 /* shouldn't be fatal but it will fail later */
1742 LOG(log_error, logtype_afpd, "afp_openvol(%s): volume pathlen too long", volume->v_path);
1747 if ((vol_uname = strrchr(path, '/')) == NULL)
1749 else if (*(vol_uname + 1) != '\0')
1752 if ((dir = dirnew(vol_mname, vol_uname) ) == NULL) {
1754 LOG(log_error, logtype_afpd, "afp_openvol(%s): malloc: %s", volume->v_path, strerror(errno) );
1760 dir->d_did = DIRDID_ROOT;
1761 dir->d_color = DIRTREE_COLOR_BLACK; /* root node is black */
1762 volume->v_dir = volume->v_root = dir;
1763 volume->v_hash = dirhash();
1765 curdir = volume->v_dir;
1766 if (volume->v_cnidscheme == NULL) {
1767 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
1768 LOG(log_warning, logtype_afpd, "Warning: No CNID scheme for volume %s. Using default.",
1771 if (volume->v_dbpath)
1772 volume->v_cdb = cnid_open (volume->v_dbpath, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1774 volume->v_cdb = cnid_open (volume->v_path, volume->v_umask, volume->v_cnidscheme, (volume->v_flags & AFPVOL_NODEV));
1775 if (volume->v_cdb == NULL) {
1776 LOG(log_error, logtype_afpd, "Fatal error: cannot open CNID or invalid CNID backend for %s: %s",
1777 volume->v_path, volume->v_cnidscheme);
1784 if (!volume->v_volcodepage)
1785 volume->v_volcodepage = strdup("UTF8");
1787 if ( (charset_t) -1 == ( volume->v_volcharset = add_charset(volume->v_volcodepage)) ) {
1788 LOG (log_error, logtype_afpd, "Setting codepage %s as volume codepage failed", volume->v_volcodepage);
1793 if ( NULL == ( volume->v_vol = find_charset_functions(volume->v_volcodepage)) || volume->v_vol->flags & CHARSET_ICONV ) {
1794 LOG (log_warning, logtype_afpd, "WARNING: volume encoding %s is *not* supported by netatalk, expect problems !!!!", volume->v_volcodepage);
1797 if (!volume->v_maccodepage)
1798 volume->v_maccodepage = strdup(obj->options.maccodepage);
1800 if ( (charset_t) -1 == ( volume->v_maccharset = add_charset(volume->v_maccodepage)) ) {
1801 LOG (log_error, logtype_afpd, "Setting codepage %s as mac codepage failed", volume->v_maccodepage);
1806 if ( NULL == ( volume->v_mac = find_charset_functions(volume->v_maccodepage)) || ! (volume->v_mac->flags & CHARSET_CLIENT) ) {
1807 LOG (log_error, logtype_afpd, "Fatal error: mac charset %s not supported", volume->v_maccodepage);
1812 ret = stat_vol(bitmap, volume, rbuf, rbuflen);
1813 if (ret == AFP_OK) {
1815 if (!(volume->v_flags & AFPVOL_RO)) {
1816 handle_special_folders( volume );
1817 savevoloptions( volume);
1821 * If you mount a volume twice, the second time the trash appears on
1822 * the desk-top. That's because the Mac remembers the DID for the
1823 * trash (even for volumes in different zones, on different servers).
1824 * Just so this works better, we prime the DID cache with the trash,
1825 * fixing the trash at DID 17.
1826 * FIXME (RL): should it be done inside a CNID backend ? (always returning Trash DID when asked) ?
1828 if ((volume->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
1830 /* FIXME find db time stamp */
1831 if (cnid_getstamp(volume->v_cdb, volume->v_stamp, sizeof(volume->v_stamp)) < 0) {
1832 LOG (log_error, logtype_afpd,
1833 "afp_openvol(%s): Fatal error: Unable to get stamp value from CNID backend",
1841 cname( volume, volume->v_dir, &p );
1847 if (volume->v_dir) {
1848 hash_free( volume->v_hash);
1849 dirfree( volume->v_dir );
1850 volume->v_dir = volume->v_root = NULL;
1853 volume->v_flags &= ~AFPVOL_OPEN;
1854 if (volume->v_cdb != NULL) {
1855 cnid_close(volume->v_cdb);
1856 volume->v_cdb = NULL;
1862 /* ------------------------- */
1863 static void closevol(struct vol *vol)
1868 hash_free( vol->v_hash);
1869 dirfree( vol->v_root );
1871 if (vol->v_cdb != NULL) {
1872 cnid_close(vol->v_cdb);
1876 if (vol->v_postexec) {
1877 afprun(0, vol->v_postexec, NULL);
1879 if (vol->v_root_postexec) {
1880 afprun(1, vol->v_root_postexec, NULL);
1884 /* ------------------------- */
1885 void close_all_vol(void)
1889 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1890 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1891 ovol->v_flags &= ~AFPVOL_OPEN;
1897 /* ------------------------- */
1898 static void deletevol(struct vol *vol)
1902 vol->v_flags &= ~AFPVOL_OPEN;
1903 for ( ovol = Volumes; ovol; ovol = ovol->v_next ) {
1904 if ( (ovol->v_flags & AFPVOL_OPEN) ) {
1908 if ( ovol != NULL ) {
1909 /* Even if chdir fails, we can't say afp_closevol fails. */
1910 if ( chdir( ovol->v_path ) == 0 ) {
1911 curdir = ovol->v_dir;
1916 if (vol->v_deleted) {
1917 showvol(vol->v_name);
1924 /* ------------------------- */
1925 int afp_closevol(obj, ibuf, ibuflen, rbuf, rbuflen )
1927 char *ibuf, *rbuf _U_;
1928 int ibuflen _U_, *rbuflen;
1935 memcpy(&vid, ibuf, sizeof( vid ));
1936 if (NULL == ( vol = getvolbyvid( vid )) ) {
1937 return( AFPERR_PARAM );
1945 /* ------------------------- */
1946 struct vol *getvolbyvid(const u_int16_t vid )
1950 for ( vol = Volumes; vol; vol = vol->v_next ) {
1951 if ( vid == vol->v_vid ) {
1955 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1961 #endif /* FORCE_UIDGID */
1966 /* ------------------------ */
1967 static int ext_cmp_key(const void *key, const void *obj)
1969 const char *p = key;
1970 const struct extmap *em = obj;
1971 return strdiacasecmp(p, em->em_ext);
1973 struct extmap *getextmap(const char *path)
1978 if (NULL == ( p = strrchr( path, '.' )) ) {
1979 return( Defextmap );
1982 if (!*p || !Extmap_cnt) {
1983 return( Defextmap );
1985 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1989 return( Defextmap );
1993 /* ------------------------- */
1994 struct extmap *getdefextmap(void)
1996 return( Defextmap );
1999 /* --------------------------
2000 poll if a volume is changed by other processes.
2002 int pollvoltime(obj)
2009 if (!(afp_version > 21 && obj->options.server_notif))
2012 if ( gettimeofday( &tv, 0 ) < 0 )
2015 for ( vol = Volumes; vol; vol = vol->v_next ) {
2016 if ( (vol->v_flags & AFPVOL_OPEN) && vol->v_mtime + 30 < tv.tv_sec) {
2017 if ( !stat( vol->v_path, &st ) && vol->v_mtime != st.st_mtime ) {
2018 vol->v_mtime = st.st_mtime;
2019 if (!obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED))
2028 /* ------------------------- */
2029 void setvoltime(obj, vol )
2035 /* just looking at vol->v_mtime is broken seriously since updates
2036 * from other users afpd processes never are seen.
2037 * This is not the most elegant solution (a shared memory between
2038 * the afpd processes would come closer)
2041 if ( gettimeofday( &tv, 0 ) < 0 ) {
2042 LOG(log_error, logtype_afpd, "setvoltime(%s): gettimeofday: %s", vol->v_path, strerror(errno) );
2045 if( utime( vol->v_path, NULL ) < 0 ) {
2046 /* write of time failed ... probably a read only filesys,
2047 * where no other users can interfere, so there's no issue here
2051 /* a little granularity */
2052 if (vol->v_mtime < tv.tv_sec) {
2053 vol->v_mtime = tv.tv_sec;
2054 /* or finder doesn't update free space */
2055 if (afp_version > 21 && obj->options.server_notif) {
2056 obj->attention(obj->handle, AFPATTN_NOTIFY | AFPATTN_VOLCHANGED);
2061 /* ------------------------- */
2062 int afp_getvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2065 int ibuflen _U_, *rbuflen;
2068 u_int16_t vid, bitmap;
2071 memcpy(&vid, ibuf, sizeof( vid ));
2072 ibuf += sizeof( vid );
2073 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2074 bitmap = ntohs( bitmap );
2076 if (NULL == ( vol = getvolbyvid( vid )) ) {
2078 return( AFPERR_PARAM );
2081 return stat_vol(bitmap, vol, rbuf, rbuflen);
2084 /* ------------------------- */
2085 int afp_setvolparams(obj, ibuf, ibuflen, rbuf, rbuflen )
2087 char *ibuf, *rbuf _U_;
2088 int ibuflen _U_, *rbuflen;
2092 u_int16_t vid, bitmap;
2098 memcpy(&vid, ibuf, sizeof( vid ));
2099 ibuf += sizeof( vid );
2100 memcpy(&bitmap, ibuf, sizeof( bitmap ));
2101 bitmap = ntohs( bitmap );
2102 ibuf += sizeof(bitmap);
2104 if (( vol = getvolbyvid( vid )) == NULL ) {
2105 return( AFPERR_PARAM );
2108 if ((vol->v_flags & AFPVOL_RO))
2109 return AFPERR_VLOCK;
2111 /* we can only set the backup date. */
2112 if (bitmap != (1 << VOLPBIT_BDATE))
2113 return AFPERR_BITMAP;
2115 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2116 if ( ad_open( vol->v_path, ADFLAGS_HF|ADFLAGS_DIR, O_RDWR,
2119 return AFPERR_VLOCK;
2121 return AFPERR_ACCESS;
2124 memcpy(&aint, ibuf, sizeof(aint));
2125 ad_setdate(&ad, AD_DATE_BACKUP, aint);
2127 ad_close(&ad, ADFLAGS_HF);
2131 /* ------------------------- */
2132 int wincheck(const struct vol *vol, const char *path)
2136 if (!(vol->v_flags & AFPVOL_MSWINDOWS))
2139 /* empty paths are not allowed */
2140 if ((len = strlen(path)) == 0)
2143 /* leading or trailing whitespaces are not allowed, carriage returns
2144 * and probably other whitespace is okay, tabs are not allowed
2146 if ((path[0] == ' ') || (path[len-1] == ' '))
2149 /* certain characters are not allowed */
2150 if (strpbrk(path, MSWINDOWS_BADCHARS))
2153 /* everything else is okay */
2159 * precreate a folder
2160 * this is only intended for folders in the volume root
2161 * It will *not* work if the folder name contains extended characters
2163 static int create_special_folder (const struct vol *vol, const struct _special_folder *folder)
2172 p = (char *) malloc ( strlen(vol->v_path)+strlen(folder->name)+2);
2174 LOG(log_error, logtype_afpd,"malloc failed");
2178 q=strdup(folder->name);
2180 LOG(log_error, logtype_afpd,"malloc failed");
2184 strcpy(p, vol->v_path);
2189 if ((vol->v_casefold & AFPVOL_MTOUUPPER))
2191 else if ((vol->v_casefold & AFPVOL_MTOULOWER))
2197 if ( (ret = stat( p, &st )) < 0 ) {
2198 if (folder->precreate) {
2199 if (ad_mkdir(p, folder->mode)) {
2200 LOG(log_debug, logtype_afpd,"Creating '%s' failed in %s: %s", p, vol->v_path, strerror(errno));
2209 if ( !ret && folder->hide) {
2211 ad_init(&ad, vol->v_adouble, vol->v_ad_options);
2212 if (ad_open( p, vol_noadouble(vol) | ADFLAGS_HF|ADFLAGS_DIR,
2213 O_RDWR|O_CREAT, 0666, &ad) < 0) {
2218 if ((ad_get_HF_flags( &ad ) & O_CREAT) ) {
2219 if (ad_getentryoff(&ad, ADEID_NAME)) {
2220 ad_setentrylen( &ad, ADEID_NAME, strlen(folder->name));
2221 memcpy(ad_entry( &ad, ADEID_NAME ), folder->name,
2222 ad_getentrylen( &ad, ADEID_NAME ));
2226 ad_getattr(&ad, &attr);
2227 attr |= htons( ntohs( attr ) | ATTRBIT_INVISIBLE );
2228 ad_setattr(&ad, attr);
2230 /* do the same with the finder info */
2231 if (ad_entry(&ad, ADEID_FINDERI)) {
2232 memcpy(&attr, ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, sizeof(attr));
2233 attr |= htons(FINDERINFO_INVISIBLE);
2234 memcpy(ad_entry(&ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF,&attr, sizeof(attr));
2238 ad_close( &ad, ADFLAGS_HF );
2245 static void handle_special_folders (const struct vol * vol)
2247 const _special_folder *p = &special_folders[0];
2249 if ((vol->v_flags & AFPVOL_RO))
2252 for (; p->name != NULL; p++) {
2253 create_special_folder (vol, p);
2258 * Save the volume options to a file, used by
2260 * Writing the file everytime a volume is opened is
2261 * unnecessary, but it shouldn't hurt much.
2263 static int savevoloptions (const struct vol *vol)
2266 char item[MAXPATHLEN];
2270 const _vol_opt_name *op = &vol_opt_names[0];
2271 const _vol_opt_name *cf = &vol_opt_casefold[0];
2273 strlcpy (item, vol->v_path, sizeof(item));
2274 strlcat (item, "/.AppleDesktop/", sizeof(item));
2275 strlcat (item, VOLINFOFILE, sizeof(item));
2277 if ((fd = open( item, O_RDWR | O_CREAT , 0666)) <0 ) {
2278 LOG(log_debug, logtype_afpd,"Error opening %s: %s", item, strerror(errno));
2282 /* try to get a lock */
2284 lock.l_whence = SEEK_SET;
2286 lock.l_type = F_WRLCK;
2288 if (fcntl(fd, F_SETLK, &lock) < 0) {
2289 if (errno == EACCES || errno == EAGAIN) {
2290 /* ignore, other process already writing the file */
2293 LOG(log_error, logtype_cnid, "savevoloptions: cannot get lock: %s", strerror(errno));
2298 /* write volume options */
2299 snprintf(buf, sizeof(buf), "MAC_CHARSET:%s\n", vol->v_maccodepage);
2300 snprintf(item, sizeof(item), "VOL_CHARSET:%s\n", vol->v_volcodepage);
2301 strlcat(buf, item, sizeof(buf));
2303 switch (vol->v_adouble) {
2305 strlcat(buf, "ADOUBLE_VER:v1\n", sizeof(buf));
2308 strlcat(buf, "ADOUBLE_VER:v2\n", sizeof(buf));
2310 case AD_VERSION2_OSX:
2311 strlcat(buf, "ADOUBLE_VER:osx\n", sizeof(buf));
2313 case AD_VERSION1_ADS:
2314 strlcat(buf, "ADOUBLE_VER:ads\n", sizeof(buf));
2316 case AD_VERSION1_SFM:
2317 strlcat(buf, "ADOUBLE_VER:sfm\n", sizeof(buf));
2321 strlcat(buf, "CNIDBACKEND:", sizeof(buf));
2322 strlcat(buf, vol->v_cnidscheme, sizeof(buf));
2323 strlcat(buf, "\n", sizeof(buf));
2325 strlcat(buf, "CNIDDBDHOST:", sizeof(buf));
2326 strlcat(buf, Cnid_srv, sizeof(buf));
2327 strlcat(buf, "\n", sizeof(buf));
2329 snprintf(item, sizeof(item), "CNIDDBDPORT:%u\n", Cnid_port);
2330 strlcat(buf, item, sizeof(buf));
2332 strcpy(item, "CNID_DBPATH:");
2334 strlcat(item, vol->v_dbpath, sizeof(item));
2336 strlcat(item, vol->v_path, sizeof(item));
2337 strlcat(item, "\n", sizeof(item));
2338 strlcat(buf, item, sizeof(buf));
2341 strcpy(item, "VOLUME_OPTS:");
2342 for (;op->name; op++) {
2343 if ( (vol->v_flags & op->option) ) {
2344 strlcat(item, op->name, sizeof(item));
2345 strlcat(item, " ", sizeof(item));
2348 strlcat(item, "\n", sizeof(item));
2349 strlcat(buf, item, sizeof(buf));
2351 /* casefold flags */
2352 strcpy(item, "VOLCASEFOLD:");
2353 for (;cf->name; cf++) {
2354 if ( (vol->v_casefold & cf->option) ) {
2355 strlcat(item, cf->name, sizeof(item));
2356 strlcat(item, " ", sizeof(item));
2359 strlcat(item, "\n", sizeof(item));
2360 strlcat(buf, item, sizeof(buf));
2362 if (strlen(buf) >= sizeof(buf)-1)
2363 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: buffer too small, %s", buf);
2366 if (write( fd, buf, strlen(buf)) < 0 || ftruncate(fd, strlen(buf)) < 0 ) {
2367 LOG(log_debug, logtype_afpd,"Error writing .volinfo file: %s", strerror(errno));
2370 lock.l_type = F_UNLCK;
2371 fcntl(fd, F_SETLK, &lock);