2 Copyright (c) 2012 Frank Lahm <franklahm@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
17 #endif /* HAVE_CONFIG_H */
27 #include <sys/param.h>
28 #include <sys/socket.h>
29 #include <netinet/in.h>
30 #include <arpa/inet.h>
34 #include <atalk/afp.h>
35 #include <atalk/util.h>
36 #include <atalk/logger.h>
38 #include <atalk/globals.h>
39 #include <atalk/errchk.h>
40 #include <atalk/iniparser.h>
41 #include <atalk/unix.h>
42 #include <atalk/cnid.h>
43 #include <atalk/dsi.h>
44 #include <atalk/uuid.h>
45 #include <atalk/netatalk_conf.h>
49 #define IS_VAR(a, b) (strncmp((a), (b), 2) == 0)
51 /**************************************************************
53 **************************************************************/
55 static struct vol *Volumes = NULL;
56 static uint16_t lastvid = 0;
59 * Get a volumes UUID from the config file.
60 * If there is none, it is generated and stored there.
62 * Returns pointer to allocated storage on success, NULL on error.
64 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
67 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
72 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
73 /* scan in the conf file */
74 while (fgets(buf, sizeof(buf), fp) != NULL) {
76 while (p && isblank(*p))
78 if (!p || (*p == '#') || (*p == '\n'))
79 continue; /* invalid line */
82 if ((volname_conf = strtok( p, "\"" )) == NULL)
83 continue; /* syntax error */
85 if ((volname_conf = strtok( p, " \t" )) == NULL)
86 continue; /* syntax error: invalid name */
91 continue; /* syntax error */
93 if (strcmp(volname, volname_conf) != 0)
94 continue; /* another volume name */
96 while (p && isblank(*p))
99 if (sscanf(p, "%36s", uuid) == 1 ) {
100 for (int i=0; uuid[i]; i++)
101 uuid[i] = toupper(uuid[i]);
102 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
112 /* not found or no file, reopen in append mode */
114 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
115 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
116 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
117 obj->options.uuidconf, strerror(errno));
120 if (( fp = fdopen( fd, "w" )) == NULL ) {
121 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
122 obj->options.uuidconf, strerror(errno));
126 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
127 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
128 obj->options.uuidconf, strerror(errno));
131 fseek(fp, 0L, SEEK_END);
132 if(ftell(fp) == 0) { /* size = 0 */
133 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
134 fprintf(fp, "# This file is auto-generated by afpd\n");
135 fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
137 fseek(fp, -1L, SEEK_END);
138 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
141 /* generate uuid and write to file */
144 randombytes((void *)id, 16);
145 cp = uuid_bin2string(id);
147 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
149 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);
156 Check if the underlying filesystem supports EAs.
157 If not, switch to ea:ad.
158 As we can't check (requires write access) on ro-volumes, we switch ea:auto
159 volumes that are options:ro to ea:none.
161 static int do_check_ea_support(const struct vol *vol)
164 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
165 const char *eacontent = "yes";
167 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
168 LOG(log_note, logtype_afpd, "read-only volume '%s', can't test for EA support, assuming yes", vol->v_localname);
176 if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
177 sys_removexattr(vol->v_path, eaname);
180 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes",
190 static void check_ea_support(struct vol *vol)
193 char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
194 const char *eacontent = "yes";
196 haseas = do_check_ea_support(vol);
198 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
199 if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
200 LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
201 vol->v_vfs_ea = AFPVOL_EA_NONE;
206 vol->v_vfs_ea = AFPVOL_EA_SYS;
208 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
210 vol->v_vfs_ea = AFPVOL_EA_AD;
214 if (vol->v_adouble == AD_VERSION_EA) {
216 vol->v_adouble = AD_VERSION2;
221 * Check whether a volume supports ACLs
223 * @param vol (r) volume
225 * @returns 0 if not, 1 if yes
227 static int check_vol_acl_support(const struct vol *vol)
231 #ifdef HAVE_SOLARIS_ACLS
234 if (get_nfsv4_acl(vol->v_path, &aces) == -1)
237 #ifdef HAVE_POSIX_ACLS
240 if ((acl = acl_get_file(vol->v_path, ACL_TYPE_ACCESS)) == NULL)
244 #ifdef HAVE_SOLARIS_ACLS
245 if (aces) free(aces);
247 #ifdef HAVE_POSIX_ACLS
248 if (acl) acl_free(acl);
249 #endif /* HAVE_POSIX_ACLS */
251 LOG(log_debug, logtype_afpd, "Volume \"%s\" ACL support: %s",
252 vol->v_path, ret ? "yes" : "no");
257 * Handle variable substitutions. here's what we understand:
258 * $b -> basename of path
259 * $c -> client ip/appletalk address
260 * $d -> volume pathname on server
261 * $f -> full name (whatever's in the gecos field)
264 * $i -> client ip/appletalk address without port
265 * $s -> server name (hostname if it doesn't exist)
266 * $u -> username (guest is usually nobody)
267 * $v -> volume name or basename if null
270 * This get's called from readvolfile with
271 * path = NULL, volname = NULL for xlating the volumes path
272 * path = path, volname = NULL for xlating the volumes name
273 * ... and from volumes options parsing code when xlating eg dbpath with
274 * path = path, volname = volname
276 * Using this information we can reject xlation of any variable depeninding on a login
277 * context which is not given in the afp master, where we must evaluate this whole stuff
278 * too for the Zeroconf announcements.
280 static char *volxlate(const AFPObj *obj,
284 const struct passwd *pwd,
292 int xlatevolname = 0;
294 if (path && !volname)
302 dest = calloc(destlen +1, 1);
308 strlcpy(dest, src, destlen +1);
309 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
312 /* first part of the path. just forward to the next variable. */
313 len = MIN((size_t)(p - src), destlen);
319 while (p && destlen > 0) {
320 /* now figure out what the variable is */
322 if (IS_VAR(p, "$b")) {
323 if (!obj->uid && xlatevolname)
326 if ((q = strrchr(path, '/')) == NULL)
328 else if (*(q + 1) != '\0')
331 } else if (IS_VAR(p, "$c")) {
332 if (!obj->uid && xlatevolname)
335 len = sprintf(dest, "%s:%u",
336 getip_string((struct sockaddr *)&dsi->client),
337 getip_port((struct sockaddr *)&dsi->client));
340 } else if (IS_VAR(p, "$d")) {
341 if (!obj->uid && xlatevolname)
344 } else if (pwd && IS_VAR(p, "$f")) {
345 if (!obj->uid && xlatevolname)
347 if ((r = strchr(pwd->pw_gecos, ',')))
350 } else if (pwd && IS_VAR(p, "$g")) {
351 if (!obj->uid && xlatevolname)
353 struct group *grp = getgrgid(pwd->pw_gid);
356 } else if (IS_VAR(p, "$h")) {
357 q = obj->options.hostname;
358 } else if (IS_VAR(p, "$i")) {
359 if (!obj->uid && xlatevolname)
362 q = getip_string((struct sockaddr *)&dsi->client);
363 } else if (IS_VAR(p, "$s")) {
364 q = obj->options.hostname;
365 } else if (obj->username && IS_VAR(p, "$u")) {
366 if (!obj->uid && xlatevolname)
369 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
373 } else if (IS_VAR(p, "$v")) {
374 if (!obj->uid && xlatevolname)
380 if ((q = strrchr(path, '/')) == NULL)
382 else if (*(q + 1) != '\0')
385 } else if (IS_VAR(p, "$$")) {
390 /* copy the stuff over. if we don't understand something that we
391 * should, just skip it over. */
393 len = MIN(p == q ? 2 : strlen(q), destlen);
394 strncpy(dest, q, len);
399 /* stuff up to next $ */
401 p = strchr(src, '$');
402 len = p ? MIN((size_t)(p - src), destlen) : destlen;
404 strncpy(dest, src, len);
415 * this function wants something of the following form:
416 * "@group,name,name2,@group2,name3"
417 * A NULL argument allows everybody to have access.
418 * We return three things:
420 * 0: list exists, but name isn't in it
423 static int accessvol(const AFPObj *obj, const char *args, const char *name)
425 char buf[MAXPATHLEN + 1], *p;
431 strlcpy(buf, args, sizeof(buf));
432 if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
436 if (*p == '@') { /* it's a group */
437 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid, obj->ngroups, obj->groups))
439 } else if (strcasecmp(p, name) == 0) /* it's a user name */
441 p = strtok(NULL, ",");
447 static int hostaccessvol(const AFPObj *obj, const char *volname, const char *args)
450 char buf[MAXPATHLEN + 1], *p, *b;
451 struct sockaddr_storage client;
452 const DSI *dsi = obj->dsi;
457 strlcpy(buf, args, sizeof(buf));
458 if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
463 char *ipaddr, *mask_char;
464 struct addrinfo hints, *ai;
466 ipaddr = strtok(p, "/");
467 mask_char = strtok(NULL,"/");
469 /* Get address from string with getaddrinfo */
470 memset(&hints, 0, sizeof hints);
471 hints.ai_family = AF_UNSPEC;
472 hints.ai_socktype = SOCK_STREAM;
473 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
474 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
479 if (mask_char != NULL)
480 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
482 if (ai->ai_family == AF_INET) /* IPv4 */
488 /* Apply mask to addresses */
489 client = dsi->client;
490 apply_ip_mask((struct sockaddr *)&client, mask_int);
491 apply_ip_mask(ai->ai_addr, mask_int);
493 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
500 p = strtok_r(NULL, ",", &b);
507 * Get option string from config, use default value if not set
509 * @param conf (r) config handle
510 * @param vol (r) volume name
511 * @param opt (r) option
512 * @param def (r) if "option" is not found in "name", try to find it in section "def"
514 * @returns const option string or NULL
516 static const char *getoption(const dictionary *conf, const char *vol, const char *opt, const char *def)
519 const char *result = NULL;
521 if (!(result = iniparser_getstring(conf, vol, opt, NULL)))
522 result = iniparser_getstring(conf, vol, def, NULL);
529 * Create volume struct
531 * @param obj (r) handle
532 * @param pwd (r) struct passwd of logged in user, may be NULL in master afpd
533 * @param path (r) volume path
534 * @param name (r) volume name
535 * @param preset (r) default preset, may be NULL
536 * @returns 0 on success, -1 on error
538 static int creatvol(AFPObj *obj,
539 const struct passwd *pwd,
545 struct vol *volume = NULL;
546 int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
547 char tmpname[AFPVOL_U8MNAMELEN+1];
548 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
549 char suffix[6]; /* max is #FFFF */
554 LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
556 if ( name == NULL || *name == '\0' ) {
557 if ((name = strrchr( path, '/' )) == NULL) {
561 /* if you wish to share /, you need to specify a name. */
566 /* Once volumes are loaded, we never change options again, we just delete em when they're removed from afp.conf */
567 for (struct vol *vol = Volumes; vol; vol = vol->v_next) {
568 if (STRCMP(name, ==, vol->v_localname)) {
569 LOG(log_debug, logtype_afpd, "createvol('%s'): already loaded", name);
576 * Check allow/deny lists:
577 * allow -> either no list (-1), or in list (1)
578 * deny -> either no list (-1), or not in list (0)
581 if (accessvol(obj, getoption(obj->iniconfig, name, "deny", preset), pwd->pw_name) == 1)
583 if (accessvol(obj, getoption(obj->iniconfig, name, "allow", preset), pwd->pw_name) == 0)
585 if (hostaccessvol(obj, name, getoption(obj->iniconfig, name, "denied_hosts", preset)) == 1)
587 if (hostaccessvol(obj, name, getoption(obj->iniconfig, name, "allowed_hosts", preset)) == 0)
591 EC_NULL( volume = calloc(1, sizeof(struct vol)) );
593 volume->v_flags = AFPVOL_USEDOTS | AFPVOL_UNIX_PRIV;
595 volume->v_flags |= AFPVOL_ACLS;
597 volume->v_vfs_ea = AFPVOL_EA_AUTO;
598 volume->v_umask = obj->options.umask;
600 if (val = getoption(obj->iniconfig, name, "password", preset))
601 EC_NULL( volume->v_password = strdup(val) );
603 if (val = getoption(obj->iniconfig, name, "veto", preset))
604 EC_NULL( volume->v_password = strdup(val) );
606 if (val = getoption(obj->iniconfig, name, "volcharset", preset))
607 EC_NULL( volume->v_volcodepage = strdup(val) );
609 if (val = getoption(obj->iniconfig, name, "maccharset", preset))
610 EC_NULL( volume->v_maccodepage = strdup(val) );
612 if (val = getoption(obj->iniconfig, name, "dbpath", preset))
613 EC_NULL( volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
615 if (val = getoption(obj->iniconfig, name, "cnidscheme", preset))
616 EC_NULL( volume->v_cnidscheme = strdup(val) );
618 if (val = getoption(obj->iniconfig, name, "umask", preset))
619 volume->v_umask = (int)strtol(val, NULL, 8);
621 if (val = getoption(obj->iniconfig, name, "dperm", preset))
622 volume->v_dperm = (int)strtol(val, NULL, 8);
624 if (val = getoption(obj->iniconfig, name, "fperm", preset))
625 volume->v_fperm = (int)strtol(val, NULL, 8);
627 if (val = getoption(obj->iniconfig, name, "perm", preset))
628 volume->v_perm = (int)strtol(val, NULL, 8);
630 if (val = getoption(obj->iniconfig, name, "volsizelimit", preset))
631 volume->v_limitsize = (uint32_t)strtoul(val, NULL, 10);
633 if (val = getoption(obj->iniconfig, name, "preexec", preset))
634 EC_NULL( volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
636 if (val = getoption(obj->iniconfig, name, "postexec", preset))
637 EC_NULL( volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
639 if (val = getoption(obj->iniconfig, name, "root_preexec", preset))
640 EC_NULL( volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
642 if (val = getoption(obj->iniconfig, name, "root_postexec", preset))
643 EC_NULL( volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
645 if (val = getoption(obj->iniconfig, name, "adouble", preset)) {
646 if (strcmp(val, "v2") == 0)
647 volume->v_adouble = AD_VERSION2;
648 else if (strcmp(val, "ea") == 0)
649 volume->v_adouble = AD_VERSION_EA;
651 volume->v_adouble = AD_VERSION;
654 if (val = getoption(obj->iniconfig, name, "cnidserver", preset)) {
655 EC_NULL( p = strdup(val) );
656 volume->v_cnidserver = p;
657 if (q = strrchr(val, ':')) {
659 volume->v_cnidport = q;
661 volume->v_cnidport = "4700";
666 if (val = getoption(obj->iniconfig, name, "ea", preset)) {
667 if (strcasecmp(val, "ad") == 0)
668 volume->v_vfs_ea = AFPVOL_EA_AD;
669 else if (strcasecmp(val, "sys") == 0)
670 volume->v_vfs_ea = AFPVOL_EA_SYS;
671 else if (strcasecmp(val, "none") == 0)
672 volume->v_vfs_ea = AFPVOL_EA_NONE;
675 if (val = getoption(obj->iniconfig, name, "casefold", preset)) {
676 if (strcasecmp(val, "tolower") == 0)
677 volume->v_casefold = AFPVOL_UMLOWER;
678 else if (strcasecmp(val, "toupper") == 0)
679 volume->v_casefold = AFPVOL_UMUPPER;
680 else if (strcasecmp(val, "xlatelower") == 0)
681 volume->v_casefold = AFPVOL_UUPPERMLOWER;
682 else if (strcasecmp(val, "xlateupper") == 0)
683 volume->v_casefold = AFPVOL_ULOWERMUPPER;
686 if (val = getoption(obj->iniconfig, name, "options", preset)) {
688 if (p = strtok(q, ", ")) {
690 if (strcasecmp(p, "ro") == 0)
691 volume->v_flags |= AFPVOL_RO;
692 else if (strcasecmp(p, "nohex") == 0)
693 volume->v_flags |= AFPVOL_NOHEX;
694 else if (strcasecmp(p, "nousedots") == 0)
695 volume->v_flags &= ~AFPVOL_USEDOTS;
696 else if (strcasecmp(p, "invisibledots") == 0)
697 volume->v_flags |= volume->v_flags;
698 else if (strcasecmp(p, "nostat") == 0)
699 volume->v_flags |= AFPVOL_NOSTAT;
700 else if (strcasecmp(p, "noupriv") == 0)
701 volume->v_flags &= ~AFPVOL_UNIX_PRIV;
702 else if (strcasecmp(p, "nodev") == 0)
703 volume->v_flags |= AFPVOL_NODEV;
704 else if (strcasecmp(p, "caseinsensitive") == 0)
705 volume->v_flags |= AFPVOL_CASEINSEN;
706 else if (strcasecmp(p, "illegalseq") == 0)
707 volume->v_flags |= AFPVOL_EILSEQ;
708 else if (strcasecmp(p, "tm") == 0)
709 volume->v_flags |= AFPVOL_TM;
710 else if (strcasecmp(p, "searchdb") == 0)
711 volume->v_flags |= AFPVOL_SEARCHDB;
712 else if (strcasecmp(p, "nonetids") == 0)
713 volume->v_flags |= AFPVOL_NONETIDS;
714 else if (strcasecmp(p, "noacls") == 0)
715 volume->v_flags &= ~AFPVOL_ACLS;
716 else if (strcasecmp(p, "nov2toeaconv") == 0)
717 volume->v_flags |= AFPVOL_NOV2TOEACONV;
718 else if (strcasecmp(p, "preexec_close") == 0)
719 volume->v_preexec_close = 1;
720 else if (strcasecmp(p, "root_preexec_close") == 0)
721 volume->v_root_preexec_close = 1;
722 p = strtok(NULL, ", ");
729 * Handle read-only behaviour. semantics:
730 * 1) neither the rolist nor the rwlist exist -> rw
731 * 2) rolist exists -> ro if user is in it.
732 * 3) rwlist exists -> ro unless user is in it.
735 if (accessvol(obj, getoption(obj->iniconfig, name, "rolist", preset), pwd->pw_name) == 1
736 || accessvol(obj, getoption(obj->iniconfig, name, "rwlist", preset), pwd->pw_name) == 0)
737 volume->v_flags |= AFPVOL_RO;
740 if ((volume->v_flags & AFPVOL_NODEV))
741 volume->v_ad_options |= ADVOL_NODEV;
742 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
743 volume->v_ad_options |= ADVOL_UNIXPRIV;
744 if ((volume->v_flags & AFPVOL_INV_DOTS))
745 volume->v_ad_options |= ADVOL_INVDOTS;
747 /* Mac to Unix conversion flags*/
748 if (!(volume->v_flags & AFPVOL_NOHEX))
749 volume->v_mtou_flags |= CONV_ESCAPEHEX;
750 if (!(volume->v_flags & AFPVOL_USEDOTS))
751 volume->v_mtou_flags |= CONV_ESCAPEDOTS;
752 if ((volume->v_flags & AFPVOL_EILSEQ))
753 volume->v_mtou_flags |= CONV__EILSEQ;
755 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
756 volume->v_mtou_flags |= CONV_TOUPPER;
757 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
758 volume->v_mtou_flags |= CONV_TOLOWER;
760 /* Unix to Mac conversion flags*/
761 volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
762 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
763 volume->v_utom_flags |= CONV_TOUPPER;
764 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
765 volume->v_utom_flags |= CONV_TOLOWER;
766 if ((volume->v_flags & AFPVOL_EILSEQ))
767 volume->v_utom_flags |= CONV__EILSEQ;
769 /* suffix for mangling use (lastvid + 1) */
770 /* because v_vid has not been decided yet. */
771 suffixlen = sprintf(suffix, "#%X", lastvid + 1 );
773 vlen = strlen( name );
775 /* Unicode Volume Name */
776 /* Firstly convert name from unixcharset to UTF8-MAC */
778 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
780 strcpy(tmpname, "???");
784 /* Do we have to mangle ? */
785 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
786 if (tmpvlen + suffixlen > obj->options.volnamelen) {
788 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
789 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
791 strcat(tmpname, suffix);
792 tmpvlen = strlen(tmpname);
795 /* Secondly convert name from UTF8-MAC to UCS2 */
796 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
799 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
801 /* Maccharset Volume Name */
802 /* Firsty convert name from unixcharset to maccharset */
804 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
806 strcpy(tmpname, "???");
810 /* Do we have to mangle ? */
811 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
812 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
814 tmpvlen = convert_charset(obj->options.unixcharset,
815 obj->options.maccharset,
820 AFPVOL_MACNAMELEN - suffixlen,
822 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
824 strcat(tmpname, suffix);
825 tmpvlen = strlen(tmpname);
828 /* Secondly convert name from maccharset to UCS2 */
829 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
834 AFPVOL_U8MNAMELEN*2)) )
837 LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
839 EC_NULL( volume->v_localname = strdup(name) );
840 EC_NULL( volume->v_u8mname = strdup_w(u8mtmpname) );
841 EC_NULL( volume->v_macname = strdup_w(mactmpname) );
842 EC_NULL( volume->v_path = malloc(strlen(path) + 1) );
844 volume->v_name = utf8_encoding(obj) ? volume->v_u8mname : volume->v_macname;
845 strcpy(volume->v_path, path);
849 #endif /* __svr4__ */
851 /* os X start at 1 and use network order ie. 1 2 3 */
852 volume->v_vid = ++lastvid;
853 volume->v_vid = htons(volume->v_vid);
856 if (!check_vol_acl_support(volume)) {
857 LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
858 volume->v_flags &= ~AFPVOL_ACLS;
862 volume->v_dperm |= volume->v_perm;
863 volume->v_fperm |= volume->v_perm;
865 /* Check EA support on volume */
866 if (volume->v_vfs_ea == AFPVOL_EA_AUTO || volume->v_adouble == AD_VERSION_EA)
867 check_ea_support(volume);
870 /* get/store uuid from file in afpd master*/
871 if (!(pwd) && (volume->v_flags & AFPVOL_TM)) {
872 char *uuid = get_vol_uuid(obj, volume->v_localname);
874 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
875 volume->v_localname);
877 volume->v_uuid = uuid;
878 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
879 volume->v_localname, volume->v_uuid);
883 /* no errors shall happen beyond this point because the cleanup would mess the volume chain up */
884 volume->v_next = Volumes;
898 /* ----------------------
900 static int volfile_changed(struct afp_options *p)
904 if (!stat(p->configfile, &st) && st.st_mtime > p->volfile.mtime) {
905 p->volfile.mtime = st.st_mtime;
911 static int vol_section(const char *sec)
913 if (STRCMP(sec, ==, INISEC_GLOBAL))
915 if (STRCMP(sec, ==, INISEC_AFP))
917 if (STRCMP(sec, ==, INISEC_CNID))
922 #define MAXPRESETLEN 100
924 * Read volumes from iniconfig and add the volumes contained within to
925 * the global volume list. This gets called from the forked afpd childs.
926 * The master now reads this too for Zeroconf announcements.
928 static int readvolfile(AFPObj *obj, const struct passwd *pwent)
931 char path[MAXPATHLEN + 1];
932 char volname[AFPVOL_U8MNAMELEN + 1];
933 char tmp[MAXPATHLEN + 1];
934 char preset[MAXPRESETLEN + 1];
937 char *default_preset = NULL;
942 LOG(log_debug, logtype_afpd, "readvolfile: BEGIN");
944 int secnum = iniparser_getnsec(obj->iniconfig);
945 LOG(log_debug, logtype_afpd, "readvolfile: sections: %d", secnum);
948 for (i = 0; i < secnum; i++) {
949 secname = iniparser_getsecname(obj->iniconfig, i);
950 if (!vol_section(secname))
954 if ((p = iniparser_getstring(obj->iniconfig, secname, "preset", NULL))) {
955 if (strcmp(p, "yes") == 0)
956 /* it's a preset, we needn't do anything more with it here */
959 /* check for "preset = XXX", "preset = XXX:once", "preset = XXX:sub" and "preset = none"*/
960 if (STRCMP(p, ==, "none")) {
961 default_preset = NULL;
963 /* in case no ":" is found or the part after ":" != "sub" we just copy the value to preset[]*/
964 strlcpy(preset, p, MAXPRESETLEN);
966 if ((presettype = strchr(preset, ':')))
969 if (presettype && STRCMP(presettype, ==, "sub")) {
971 free(default_preset);
972 default_preset = strdup(preset);
978 strlcpy(volname, secname, AFPVOL_U8MNAMELEN);
979 LOG(log_debug, logtype_afpd, "readvolfile: volume: %s", volname);
981 if ((p = iniparser_getstring(obj->iniconfig, secname, "path", NULL)) == NULL)
983 strlcpy(path, p, MAXPATHLEN);
986 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
989 /* do variable substitution for volname */
990 if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL) {
994 creatvol(obj, pwent, path, tmp, havepreset ? preset : default_preset ? default_preset : NULL);
1001 /**************************************************************
1003 **************************************************************/
1006 * Remove a volume from the linked list of volumes
1008 void volume_unlink(struct vol *volume)
1010 struct vol *vol, *ovol, *nvol;
1012 if (volume == Volumes) {
1016 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1019 if (vol == volume) {
1020 ovol->v_next = nvol;
1030 * Free all resources allocated in a struct vol, only struct dir *v_root can't be freed
1032 void volume_free(struct vol *vol)
1034 LOG(log_debug, logtype_afpd, "volume_free('%s'): BEGIN", vol->v_localname);
1036 free(vol->v_localname);
1037 free(vol->v_u8mname);
1038 free(vol->v_macname);
1040 free(vol->v_password);
1042 free(vol->v_volcodepage);
1043 free(vol->v_maccodepage);
1044 free(vol->v_cnidscheme);
1045 free(vol->v_dbpath);
1048 free(vol->v_cnidserver);
1050 /* NO! Just points to v_cnidserver + x */
1051 free(vol->v_cnidport);
1053 free(vol->v_root_preexec);
1054 free(vol->v_postexec);
1056 LOG(log_debug, logtype_afpd, "volume_free: END");
1060 * Initialize volumes and load ini configfile
1062 * Depending on the value of obj->uid either access checks are done (!=0) or skipped (=0)
1064 * @param obj (r) handle
1065 * @param delvol_fn (r) callback called for deleted volumes
1067 int load_volumes(AFPObj *obj, void (*delvol_fn)(struct vol *))
1071 struct passwd *pwent = NULL;
1076 LOG(log_debug, logtype_afpd, "load_volumes: BEGIN");
1079 if (!volfile_changed(&obj->options))
1081 for (vol = Volumes; vol; vol = vol->v_next)
1084 LOG(log_debug, logtype_afpd, "load_volumes: no volumes yet");
1085 EC_ZERO_LOG( lstat(obj->options.configfile, &st) );
1086 obj->options.volfile.mtime = st.st_mtime;
1089 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1091 fd = open(obj->options.configfile, O_RDONLY);
1093 while (retries < 2) {
1094 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1097 LOG(log_error, logtype_afpd, "readvolfile: can't lock configfile \"%s\"",
1098 obj->options.configfile);
1108 pwent = getpwuid(obj->uid);
1111 iniparser_freedict(obj->iniconfig);
1112 LOG(log_debug, logtype_afpd, "load_volumes: loading: %s", obj->options.configfile);
1113 obj->iniconfig = iniparser_load(obj->options.configfile);
1115 EC_ZERO_LOG( readvolfile(obj, pwent) );
1117 for ( vol = Volumes; vol; vol = vol->v_next ) {
1118 if (vol->v_deleted) {
1119 LOG(log_debug, logtype_afpd, "load_volumes: deleted: %s", vol->v_localname);
1130 LOG(log_debug, logtype_afpd, "load_volumes: END");
1134 void unload_volumes(AFPObj *obj)
1138 LOG(log_debug, logtype_afpd, "unload_volumes: BEGIN");
1140 for (vol = Volumes; vol; vol = vol->v_next)
1143 obj->options.volfile.mtime = 0;
1145 LOG(log_debug, logtype_afpd, "unload_volumes: END");
1148 struct vol *getvolumes(void)
1153 struct vol *getvolbyvid(const uint16_t vid )
1157 for ( vol = Volumes; vol; vol = vol->v_next ) {
1158 if ( vid == vol->v_vid ) {
1162 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1169 struct vol *getvolbypath(const char *path)
1171 struct vol *vol = NULL;
1174 for (tmp = Volumes; tmp; tmp = tmp->v_next) {
1175 if (strncmp(path, tmp->v_path, strlen(tmp->v_path)) == 0) {
1185 * Initialize an AFPObj and options from ini config file
1187 int afp_config_parse(AFPObj *AFPObj)
1191 struct afp_options *options = &AFPObj->options;
1193 const char *p, *tmp;
1197 AFPObj->afp_version = 11;
1198 options->configfile = AFPObj->cmdlineconfigfile ? strdup(AFPObj->cmdlineconfigfile) : strdup(_PATH_CONFDIR "afp.conf");
1199 options->sigconffile = strdup(_PATH_CONFDIR "afp_signature.conf");
1200 options->uuidconf = strdup(_PATH_CONFDIR "afp_voluuid.conf");
1201 options->flags = OPTION_ACL2MACCESS | OPTION_UUID | OPTION_SERVERNOTIF | AFPObj->cmdlineflags;
1203 if ((config = iniparser_load(AFPObj->options.configfile)) == NULL)
1205 AFPObj->iniconfig = config;
1208 options->logconfig = iniparser_getstrdup(config, INISEC_GLOBAL, "loglevel", "default:note");
1209 options->logfile = iniparser_getstrdup(config, INISEC_GLOBAL, "logfile", NULL);
1211 /* [AFP] "options" options wo values */
1212 if (p = iniparser_getstrdup(config, INISEC_AFP, "options", NULL)) {
1213 if (p = strtok(q, ", ")) {
1215 if (strcasecmp(p, "nozeroconf"))
1216 options->flags |= OPTION_NOZEROCONF;
1217 if (strcasecmp(p, "icon"))
1218 options->flags |= OPTION_CUSTOMICON;
1219 if (strcasecmp(p, "noicon"))
1220 options->flags &= ~OPTION_CUSTOMICON;
1221 if (strcasecmp(p, "advertise_ssh"))
1222 options->flags |= OPTION_ANNOUNCESSH;
1223 if (strcasecmp(p, "noacl2maccess"))
1224 options->flags &= ~OPTION_ACL2MACCESS;
1225 if (strcasecmp(p, "keepsessions"))
1226 options->flags |= OPTION_KEEPSESSIONS;
1227 if (strcasecmp(p, "closevol"))
1228 options->flags |= OPTION_CLOSEVOL;
1229 if (strcasecmp(p, "client_polling"))
1230 options->flags &= ~OPTION_SERVERNOTIF;
1231 if (strcasecmp(p, "nosavepassword"))
1232 options->passwdbits |= PASSWD_NOSAVE;
1233 if (strcasecmp(p, "savepassword"))
1234 options->passwdbits &= ~PASSWD_NOSAVE;
1235 if (strcasecmp(p, "nosetpassword"))
1236 options->passwdbits &= ~PASSWD_SET;
1237 if (strcasecmp(p, "setpassword"))
1238 options->passwdbits |= PASSWD_SET;
1239 p = strtok(NULL, ", ");
1243 /* figure out options w values */
1245 options->loginmesg = iniparser_getstrdup(config, INISEC_AFP, "loginmesg", "");
1246 options->guest = iniparser_getstrdup(config, INISEC_AFP, "guestname", "nobody");
1247 options->passwdfile = iniparser_getstrdup(config, INISEC_AFP, "passwdfile", _PATH_AFPDPWFILE);
1248 options->uampath = iniparser_getstrdup(config, INISEC_AFP, "uampath", _PATH_AFPDUAMPATH);
1249 options->uamlist = iniparser_getstrdup(config, INISEC_AFP, "uamlist", "uams_dhx.so,uams_dhx2.so");
1250 options->port = iniparser_getstrdup(config, INISEC_AFP, "port", "548");
1251 options->signatureopt = iniparser_getstrdup(config, INISEC_AFP, "signature", "auto");
1252 options->k5service = iniparser_getstrdup(config, INISEC_AFP, "k5service", NULL);
1253 options->k5realm = iniparser_getstrdup(config, INISEC_AFP, "k5realm", NULL);
1254 options->listen = iniparser_getstrdup(config, INISEC_AFP, "listen", NULL);
1255 options->ntdomain = iniparser_getstrdup(config, INISEC_AFP, "ntdomain", NULL);
1256 options->ntseparator = iniparser_getstrdup(config, INISEC_AFP, "ntseparator", NULL);
1257 options->mimicmodel = iniparser_getstrdup(config, INISEC_AFP, "mimicmodel", NULL);
1258 options->adminauthuser = iniparser_getstrdup(config, INISEC_AFP, "adminauthuser", NULL);
1259 options->connections = iniparser_getint (config, INISEC_AFP, "maxcon", 200);
1260 options->passwdminlen = iniparser_getint (config, INISEC_AFP, "passwdminlen", 0);
1261 options->tickleval = iniparser_getint (config, INISEC_AFP, "tickleval", 30);
1262 options->timeout = iniparser_getint (config, INISEC_AFP, "timeout", 4);
1263 options->dsireadbuf = iniparser_getint (config, INISEC_AFP, "dsireadbuf", 12);
1264 options->server_quantum = iniparser_getint (config, INISEC_AFP, "server_quantum", DSI_SERVQUANT_DEF);
1265 options->volnamelen = iniparser_getint (config, INISEC_AFP, "volnamelen", 80);
1266 options->dircachesize = iniparser_getint (config, INISEC_AFP, "dircachesize", DEFAULT_MAX_DIRCACHE_SIZE);
1267 options->tcp_sndbuf = iniparser_getint (config, INISEC_AFP, "tcpsndbuf", 0);
1268 options->tcp_rcvbuf = iniparser_getint (config, INISEC_AFP, "tcprcvbuf", 0);
1269 options->fce_fmodwait = iniparser_getint (config, INISEC_AFP, "fceholdfmod", 60);
1270 options->sleep = iniparser_getint (config, INISEC_AFP, "sleep", 10) * 60 * 2;
1271 options->disconnected = iniparser_getint (config, INISEC_AFP, "disconnect", 24) * 60 * 2;
1273 if ((p = iniparser_getstring(config, INISEC_AFP, "hostname", NULL))) {
1274 EC_NULL_LOG( options->hostname = strdup(p) );
1276 if (gethostname(val, sizeof(val)) < 0 ) {
1277 perror( "gethostname" );
1280 if ((q = strchr(val, '.')))
1282 options->hostname = strdup(val);
1285 if ((p = iniparser_getstring(config, INISEC_AFP, "k5keytab", NULL))) {
1286 EC_NULL_LOG( options->k5keytab = malloc(strlen(p) + 14) );
1287 snprintf(options->k5keytab, strlen(p) + 14, "KRB5_KTNAME=%s", p);
1288 putenv(options->k5keytab);
1292 if ((p = iniparser_getstring(config, INISEC_AFP, "admingroup", NULL))) {
1293 struct group *gr = getgrnam(p);
1295 options->admingid = gr->gr_gid;
1297 #endif /* ADMIN_GRP */
1299 q = iniparser_getstrdup(config, INISEC_AFP, "cnidserver", "localhost:4700");
1300 r = strrchr(q, ':');
1303 options->Cnid_srv = strdup(q);
1305 options->Cnid_port = strdup(r + 1);
1307 options->Cnid_port = strdup("4700");
1308 LOG(log_debug, logtype_afpd, "CNID Server: %s:%s", options->Cnid_srv, options->Cnid_port);
1312 if ((q = iniparser_getstrdup(config, INISEC_AFP, "fqdn", NULL))) {
1313 /* do a little checking for the domain name. */
1317 if (gethostbyname(q)) {
1320 EC_NULL_LOG( options->fqdn = strdup(q) );
1322 LOG(log_error, logtype_afpd, "error parsing -fqdn, gethostbyname failed for: %s", c);
1327 if (!(p = iniparser_getstring(config, INISEC_AFP, "unixcodepage", NULL))) {
1328 options->unixcharset = CH_UNIX;
1329 options->unixcodepage = strdup("LOCALE");
1331 if ((options->unixcharset = add_charset(p)) == (charset_t)-1) {
1332 options->unixcharset = CH_UNIX;
1333 options->unixcodepage = strdup("LOCALE");
1334 LOG(log_warning, logtype_afpd, "Setting Unix codepage to '%s' failed", p);
1336 options->unixcodepage = strdup(p);
1340 if (!(p = iniparser_getstring(config, INISEC_AFP, "maccodepage", NULL))) {
1341 options->maccharset = CH_MAC;
1342 options->maccodepage = strdup("MAC_ROMAN");
1344 if ((options->maccharset = add_charset(p)) == (charset_t)-1) {
1345 options->maccharset = CH_MAC;
1346 options->maccodepage = strdup("MAC_ROMAN");
1347 LOG(log_warning, logtype_afpd, "Setting Mac codepage to '%s' failed", p);
1349 options->maccodepage = strdup(p);
1353 /* Check for sane values */
1354 if (options->tickleval <= 0)
1355 options->tickleval = 30;
1356 if (options->timeout <= 0)
1357 options->timeout = 4;
1358 if (options->sleep <= 4)
1359 options->disconnected = options->sleep = 4;
1360 if (options->dsireadbuf < 6)
1361 options->dsireadbuf = 6;
1362 if (options->volnamelen < 8)
1363 options->volnamelen = 8; /* max mangled volname "???#FFFF" */
1364 if (options->volnamelen > 255)
1365 options->volnamelen = 255; /* AFP3 spec */