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>
41 #include <atalk/afp.h>
42 #include <atalk/util.h>
43 #include <atalk/logger.h>
45 #include <atalk/globals.h>
46 #include <atalk/errchk.h>
47 #include <atalk/iniparser.h>
48 #include <atalk/unix.h>
49 #include <atalk/cnid.h>
50 #include <atalk/dsi.h>
51 #include <atalk/uuid.h>
52 #include <atalk/netatalk_conf.h>
53 #include <atalk/bstrlib.h>
54 #include <atalk/bstradd.h>
57 #ifndef UUID_PRINTABLE_STRING_LENGTH
58 #define UUID_PRINTABLE_STRING_LENGTH 37
61 #define IS_VAR(a, b) (strncmp((a), (b), 2) == 0)
63 /**************************************************************
65 **************************************************************/
67 static int have_uservol = 0; /* whether there's generic user home share in config ("~" or "~/path", but not "~user") */
68 static struct vol *Volumes = NULL;
69 static uint16_t lastvid = 0;
72 * Get a volumes UUID from the config file.
73 * If there is none, it is generated and stored there.
75 * Returns pointer to allocated storage on success, NULL on error.
77 static char *get_vol_uuid(const AFPObj *obj, const char *volname)
80 char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
85 if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
86 /* scan in the conf file */
87 while (fgets(buf, sizeof(buf), fp) != NULL) {
89 while (p && isblank(*p))
91 if (!p || (*p == '#') || (*p == '\n'))
92 continue; /* invalid line */
95 if ((volname_conf = strtok( p, "\"" )) == NULL)
96 continue; /* syntax error */
98 if ((volname_conf = strtok( p, " \t" )) == NULL)
99 continue; /* syntax error: invalid name */
104 continue; /* syntax error */
106 if (strcmp(volname, volname_conf) != 0)
107 continue; /* another volume name */
109 while (p && isblank(*p))
112 if (sscanf(p, "%36s", uuid) == 1 ) {
113 for (int i=0; uuid[i]; i++)
114 uuid[i] = toupper(uuid[i]);
115 LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
125 /* not found or no file, reopen in append mode */
127 if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
128 if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
129 LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
130 obj->options.uuidconf, strerror(errno));
133 if (( fp = fdopen( fd, "w" )) == NULL ) {
134 LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
135 obj->options.uuidconf, strerror(errno));
139 } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
140 LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
141 obj->options.uuidconf, strerror(errno));
144 fseek(fp, 0L, SEEK_END);
145 if(ftell(fp) == 0) { /* size = 0 */
146 fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
147 fprintf(fp, "# This file is auto-generated by afpd\n");
148 fprintf(fp, "# and stores UUIDs for Time Machine volumes.\n\n");
150 fseek(fp, -1L, SEEK_END);
151 if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
154 /* generate uuid and write to file */
157 randombytes((void *)id, 16);
158 cp = uuid_bin2string(id);
160 LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
162 fprintf(fp, "\"%s\"\t%36s\n", volname, cp);
169 Check if the underlying filesystem supports EAs.
170 If not, switch to ea:ad.
171 As we can't check (requires write access) on ro-volumes, we switch ea:auto
172 volumes that are options:ro to ea:none.
175 static int do_check_ea_support(const struct vol *vol)
178 const char *eaname = "org.netatalk.has-Extended-Attributes";
179 const char *eacontent = "yes";
182 if (sys_lgetxattr(vol->v_path, eaname, buf, EABUFSZ) != -1)
185 if (vol->v_flags & AFPVOL_RO) {
186 LOG(log_debug, logtype_afpd, "read-only volume '%s', can't test for EA support, assuming yes", vol->v_localname);
192 if ((sys_setxattr(vol->v_path, eaname, eacontent, strlen(eacontent) + 1, 0)) == 0) {
195 LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes or read-only volume",
205 static void check_ea_support(struct vol *vol)
209 haseas = do_check_ea_support(vol);
211 if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
213 vol->v_vfs_ea = AFPVOL_EA_SYS;
215 vol->v_vfs_ea = AFPVOL_EA_NONE;
218 if (vol->v_adouble == AD_VERSION_EA) {
220 vol->v_adouble = AD_VERSION2;
225 * Check whether a volume supports ACLs
227 * @param vol (r) volume
229 * @returns 0 if not, 1 if yes
231 static int check_vol_acl_support(const struct vol *vol)
235 #ifdef HAVE_NFSV4_ACLS
238 if (get_nfsv4_acl(vol->v_path, &aces) == -1)
241 #ifdef HAVE_POSIX_ACLS
244 if ((acl = acl_get_file(vol->v_path, ACL_TYPE_ACCESS)) == NULL)
248 #ifdef HAVE_NFSV4_ACLS
249 if (aces) free(aces);
251 #ifdef HAVE_POSIX_ACLS
252 if (acl) acl_free(acl);
253 #endif /* HAVE_POSIX_ACLS */
255 LOG(log_debug, logtype_afpd, "Volume \"%s\" ACL support: %s",
256 vol->v_path, ret ? "yes" : "no");
261 * Handle variable substitutions. here's what we understand:
262 * $b -> basename of path
263 * $c -> client ip/appletalk address
264 * $d -> volume pathname on server
265 * $f -> full name (whatever's in the gecos field)
268 * $i -> client ip/appletalk address without port
269 * $s -> server name (hostname if it doesn't exist)
270 * $u -> username (guest is usually nobody)
271 * $v -> volume name or basename if null
274 * This get's called from readvolfile with
275 * path = NULL, volname = NULL for xlating the volumes path
276 * path = path, volname = NULL for xlating the volumes name
277 * ... and from volumes options parsing code when xlating eg dbpath with
278 * path = path, volname = volname
280 * Using this information we can reject xlation of any variable depeninding on a login
281 * context which is not given in the afp master, where we must evaluate this whole stuff
282 * too for the Zeroconf announcements.
284 static char *volxlate(const AFPObj *obj,
288 const struct passwd *pwd,
296 int xlatevolname = 0;
298 if (path && !volname)
306 dest = calloc(destlen +1, 1);
312 strlcpy(dest, src, destlen +1);
313 if ((p = strchr(src, '$')) == NULL) /* nothing to do */
316 /* first part of the path. just forward to the next variable. */
317 len = MIN((size_t)(p - src), destlen);
323 while (p && destlen > 0) {
324 /* now figure out what the variable is */
326 if (IS_VAR(p, "$b")) {
328 if ((q = strrchr(path, '/')) == NULL)
330 else if (*(q + 1) != '\0')
333 } else if (IS_VAR(p, "$c")) {
334 if (IS_AFP_SESSION(obj)) {
336 len = sprintf(dest, "%s:%u",
337 getip_string((struct sockaddr *)&dsi->client),
338 getip_port((struct sockaddr *)&dsi->client));
342 } else if (IS_VAR(p, "$d")) {
344 } else if (pwd && IS_VAR(p, "$f")) {
345 if ((r = strchr(pwd->pw_gecos, ',')))
348 } else if (pwd && IS_VAR(p, "$g")) {
349 struct group *grp = getgrgid(pwd->pw_gid);
352 } else if (IS_VAR(p, "$h")) {
353 q = obj->options.hostname;
354 } else if (IS_VAR(p, "$i")) {
356 q = getip_string((struct sockaddr *)&dsi->client);
357 } else if (IS_VAR(p, "$s")) {
358 q = obj->options.hostname;
359 } else if (obj->username[0] && IS_VAR(p, "$u")) {
361 if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
365 } else if (IS_VAR(p, "$v")) {
370 if ((q = strrchr(path, '/')) == NULL)
372 else if (*(q + 1) != '\0')
375 } else if (IS_VAR(p, "$$")) {
380 /* copy the stuff over. if we don't understand something that we
381 * should, just skip it over. */
383 len = MIN(p == q ? 2 : strlen(q), destlen);
384 strncpy(dest, q, len);
389 /* stuff up to next $ */
391 p = strchr(src, '$');
392 len = p ? MIN((size_t)(p - src), destlen) : destlen;
394 strncpy(dest, src, len);
405 * this function wants a string consisting of names seperated by comma
406 * or space. Names may be quoted within a pair of quotes. Groups are
407 * denoted by a leading @ symbol.
409 * user1 user2, user3, @group1 @group2, @group3 "user name1", "@group name1"
410 * A NULL argument allows everybody to have access.
411 * We return three things:
413 * 0: list exists, but name isn't in it
416 static int accessvol(const AFPObj *obj, const char *args, const char *name)
419 char *names = NULL, *p;
425 EC_NULL_LOG( names = strdup(args) );
427 if ((p = strtok_quote(names, ", ")) == NULL) /* nothing, return okay */
431 if (*p == '@') { /* it's a group */
432 if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid, obj->ngroups, obj->groups))
434 } else if (strcasecmp(p, name) == 0) /* it's a user name */
436 p = strtok_quote(NULL, ", ");
445 static int hostaccessvol(const AFPObj *obj, const char *volname, const char *args)
448 char buf[MAXPATHLEN + 1], *p, *b;
449 struct sockaddr_storage client;
450 const DSI *dsi = obj->dsi;
455 strlcpy(buf, args, sizeof(buf));
456 if ((p = strtok_r(buf, ", ", &b)) == NULL) /* nothing, return okay */
461 char *ipaddr, *mask_char;
462 struct addrinfo hints, *ai;
464 ipaddr = strtok(p, "/");
465 mask_char = strtok(NULL,"/");
467 /* Get address from string with getaddrinfo */
468 memset(&hints, 0, sizeof hints);
469 hints.ai_family = AF_UNSPEC;
470 hints.ai_socktype = SOCK_STREAM;
471 if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
472 LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
477 if (mask_char != NULL)
478 mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
480 if (ai->ai_family == AF_INET) /* IPv4 */
486 /* Apply mask to addresses */
487 client = dsi->client;
488 apply_ip_mask((struct sockaddr *)&client, mask_int);
489 apply_ip_mask(ai->ai_addr, mask_int);
491 if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
498 p = strtok_r(NULL, ", ", &b);
505 * Get option string from config, use default value if not set
507 * @param conf (r) config handle
508 * @param vol (r) volume name (must be section name ie wo vars expanded)
509 * @param opt (r) option
510 * @param defsec (r) if "option" is not found in "vol", try to find it in section "defsec"
511 * @param defval (r) if neither "vol" nor "defsec" contain "opt" return "defval"
513 * @returns const option string from "vol" or "defsec", or "defval" if not found
515 static const char *getoption(const dictionary *conf, const char *vol, const char *opt, const char *defsec, const char *defval)
519 if ((!(result = atalk_iniparser_getstring(conf, vol, opt, NULL))) && (defsec != NULL))
520 result = atalk_iniparser_getstring(conf, defsec, opt, NULL);
528 * Get boolean option from config, use default value if not set
530 * @param conf (r) config handle
531 * @param vol (r) volume name (must be section name ie wo vars expanded)
532 * @param opt (r) option
533 * @param defsec (r) if "option" is not found in "vol", try to find it in section "defsec"
534 * @param defval (r) if neither "vol" nor "defsec" contain "opt" return "defval"
536 * @returns const option string from "vol" or "defsec", or "defval" if not found
538 static int getoption_bool(const dictionary *conf, const char *vol, const char *opt, const char *defsec, int defval)
542 if (((result = atalk_iniparser_getboolean(conf, vol, opt, -1)) == -1) && (defsec != NULL))
543 result = atalk_iniparser_getboolean(conf, defsec, opt, -1);
551 * Get boolean option from volume, default section or global - use default value if not set
553 * Order of precedence: volume -> default section -> global -> default value
555 * "vdg" means volume, default section or global
557 * @param conf (r) config handle
558 * @param vol (r) volume name (must be section name ie wo vars expanded)
559 * @param opt (r) option
560 * @param defsec (r) if "option" is not found in "vol", try to find it in section "defsec"
561 * @param defval (r) if neither "vol" nor "defsec" contain "opt" return "defval"
563 * @returns const option string from "vol" or "defsec", or "defval" if not found
565 static int vdgoption_bool(const dictionary *conf, const char *vol, const char *opt, const char *defsec, int defval)
569 result = atalk_iniparser_getboolean(conf, vol, opt, -1);
571 if ((result == -1) && (defsec != NULL))
572 result = atalk_iniparser_getboolean(conf, defsec, opt, -1);
575 result = atalk_iniparser_getboolean(conf, INISEC_GLOBAL, opt, defval);
581 * Create volume struct
583 * @param obj (r) handle
584 * @param pwd (r) struct passwd of logged in user, may be NULL in master afpd
585 * @param section (r) volume name wo variables expanded (exactly as in iniconfig)
586 * @param name (r) volume name
587 * @param path_in (r) volume path
588 * @param preset (r) default preset, may be NULL
589 * @returns vol on success, NULL on error
591 static struct vol *creatvol(AFPObj *obj,
592 const struct passwd *pwd,
599 struct vol *volume = NULL;
600 int i, suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
601 char tmpname[AFPVOL_U8MNAMELEN+1];
602 char path[MAXPATHLEN + 1];
603 ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
604 char suffix[6]; /* max is #FFFF */
608 bstring dbpath = NULL;
609 bstring global_path_tmp = NULL;
611 strlcpy(path, path_in, MAXPATHLEN);
613 LOG(log_debug, logtype_afpd, "creatvol(volume: '%s', path: \"%s\", preset: '%s'): BEGIN",
614 name, path, preset ? preset : "-");
616 if ( name == NULL || *name == '\0' ) {
617 if ((name = strrchr( path, '/' )) == NULL)
619 /* if you wish to share /, you need to specify a name. */
624 /* Once volumes are loaded, we never change options again, we just delete em when they're removed from afp.conf */
626 for (struct vol *vol = Volumes; vol; vol = vol->v_next) {
627 if (STRCMP(name, ==, vol->v_localname) && vol->v_deleted) {
629 * reloading config, volume still present, nothing else to do,
630 * we don't change options for volumes once they're loaded
636 if (STRCMP(path, ==, vol->v_path)) {
637 LOG(log_note, logtype_afpd, "volume \"%s\" path \"%s\" is the same as volumes \"%s\" path",
638 name, path, vol->v_configname);
642 * We could check for nested volume paths here, but
643 * nobody was able to come up with an implementation yet,
644 * that is simple, fast and correct.
649 * Check allow/deny lists:
650 * allow -> either no list (-1), or in list (1)
651 * deny -> either no list (-1), or not in list (0)
654 if (accessvol(obj, getoption(obj->iniconfig, section, "invalid users", preset, NULL), pwd->pw_name) == 1)
656 if (accessvol(obj, getoption(obj->iniconfig, section, "valid users", preset, NULL), pwd->pw_name) == 0)
658 if (hostaccessvol(obj, section, getoption(obj->iniconfig, section, "hosts deny", preset, NULL)) == 1)
660 if (hostaccessvol(obj, section, getoption(obj->iniconfig, section, "hosts allow", preset, NULL)) == 0)
664 EC_NULL( volume = calloc(1, sizeof(struct vol)) );
666 EC_NULL( volume->v_configname = strdup(section));
668 volume->v_vfs_ea = AFPVOL_EA_AUTO;
669 volume->v_umask = obj->options.umask;
671 if ((val = getoption(obj->iniconfig, section, "password", preset, NULL)))
672 EC_NULL( volume->v_password = strdup(val) );
674 if ((val = getoption(obj->iniconfig, section, "veto files", preset, NULL)))
675 EC_NULL( volume->v_veto = strdup(val) );
677 /* vol charset is in [G] and [V] */
678 if ((val = getoption(obj->iniconfig, section, "vol charset", preset, NULL))) {
679 if (strcasecmp(val, "UTF-8") == 0) {
680 val = strdup("UTF8");
682 EC_NULL( volume->v_volcodepage = strdup(val) );
685 EC_NULL( volume->v_volcodepage = strdup(obj->options.volcodepage) );
687 /* mac charset is in [G] and [V] */
688 if ((val = getoption(obj->iniconfig, section, "mac charset", preset, NULL))) {
689 if (strncasecmp(val, "MAC", 3) != 0) {
690 LOG(log_warning, logtype_afpd, "Is '%s' really mac charset? ", val);
692 EC_NULL( volume->v_maccodepage = strdup(val) );
695 EC_NULL( volume->v_maccodepage = strdup(obj->options.maccodepage) );
698 strlcpy(tmpname, name, sizeof(tmpname));
699 for(i = 0; i < vlen; i++)
700 if(tmpname[i] == '/') tmpname[i] = ':';
703 if (atalk_iniparser_getboolean(obj->iniconfig, INISEC_GLOBAL, "vol dbnest", 0)) {
704 EC_NULL( volume->v_dbpath = strdup(path) );
707 val = getoption(obj->iniconfig, section, "vol dbpath", preset, NULL);
709 /* check global option */
710 global_path = atalk_iniparser_getstring(obj->iniconfig,
715 /* check for pre 3.1.1 behaviour without variable */
716 if (strchr(global_path, '$') == NULL) {
717 global_path_tmp = bformat("%s/%s/", global_path, tmpname);
718 val = cfrombstr(global_path_tmp);
726 EC_NULL( dbpath = bformat("%s/%s/", _PATH_STATEDIR "CNID/", tmpname) );
728 EC_NULL( dbpath = bfromcstr(val));
730 EC_NULL( volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN + 1,
731 cfrombstr(dbpath), pwd, NULL, tmpname) );
734 if ((val = getoption(obj->iniconfig, section, "cnid scheme", preset, NULL)))
735 EC_NULL( volume->v_cnidscheme = strdup(val) );
737 volume->v_cnidscheme = strdup(DEFAULT_CNID_SCHEME);
739 if ((val = getoption(obj->iniconfig, section, "umask", preset, NULL)))
740 volume->v_umask = (int)strtol(val, NULL, 8);
742 if ((val = getoption(obj->iniconfig, section, "directory perm", preset, NULL)))
743 volume->v_dperm = (int)strtol(val, NULL, 8);
745 if ((val = getoption(obj->iniconfig, section, "file perm", preset, NULL)))
746 volume->v_fperm = (int)strtol(val, NULL, 8);
748 if ((val = getoption(obj->iniconfig, section, "vol size limit", preset, NULL)))
749 volume->v_limitsize = (uint32_t)strtoul(val, NULL, 10);
751 if ((val = getoption(obj->iniconfig, section, "preexec", preset, NULL)))
752 EC_NULL( volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
754 if ((val = getoption(obj->iniconfig, section, "postexec", preset, NULL)))
755 EC_NULL( volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
757 if ((val = getoption(obj->iniconfig, section, "root preexec", preset, NULL)))
758 EC_NULL( volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
760 if ((val = getoption(obj->iniconfig, section, "root postexec", preset, NULL)))
761 EC_NULL( volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, val, pwd, path, name) );
763 if ((val = getoption(obj->iniconfig, section, "appledouble", preset, NULL))) {
764 if (strcmp(val, "v2") == 0)
765 volume->v_adouble = AD_VERSION2;
766 else if (strcmp(val, "ea") == 0)
767 volume->v_adouble = AD_VERSION_EA;
769 volume->v_adouble = AD_VERSION;
772 if ((val = getoption(obj->iniconfig, section, "cnid server", preset, NULL))) {
773 EC_NULL( p = strdup(val) );
774 volume->v_cnidserver = p;
775 if ((q = strrchr(val, ':'))) {
777 volume->v_cnidport = strdup(q);
779 volume->v_cnidport = strdup("4700");
783 volume->v_cnidserver = strdup(obj->options.Cnid_srv);
784 volume->v_cnidport = strdup(obj->options.Cnid_port);
787 if ((val = getoption(obj->iniconfig, section, "ea", preset, NULL))) {
788 if (strcasecmp(val, "ad") == 0)
789 volume->v_vfs_ea = AFPVOL_EA_AD;
790 else if (strcasecmp(val, "sys") == 0)
791 volume->v_vfs_ea = AFPVOL_EA_SYS;
792 else if (strcasecmp(val, "none") == 0)
793 volume->v_vfs_ea = AFPVOL_EA_NONE;
796 if ((val = getoption(obj->iniconfig, section, "casefold", preset, NULL))) {
797 if (strcasecmp(val, "tolower") == 0)
798 volume->v_casefold = AFPVOL_UMLOWER;
799 else if (strcasecmp(val, "toupper") == 0)
800 volume->v_casefold = AFPVOL_UMUPPER;
801 else if (strcasecmp(val, "xlatelower") == 0)
802 volume->v_casefold = AFPVOL_UUPPERMLOWER;
803 else if (strcasecmp(val, "xlateupper") == 0)
804 volume->v_casefold = AFPVOL_ULOWERMUPPER;
807 if (getoption_bool(obj->iniconfig, section, "read only", preset, 0))
808 volume->v_flags |= AFPVOL_RO;
809 if (getoption_bool(obj->iniconfig, section, "invisible dots", preset, 0))
810 volume->v_flags |= AFPVOL_INV_DOTS;
811 if (!getoption_bool(obj->iniconfig, section, "stat vol", preset, 1))
812 volume->v_flags |= AFPVOL_NOSTAT;
813 if (getoption_bool(obj->iniconfig, section, "unix priv", preset, 1))
814 volume->v_flags |= AFPVOL_UNIX_PRIV;
815 if (!getoption_bool(obj->iniconfig, section, "cnid dev", preset, 1))
816 volume->v_flags |= AFPVOL_NODEV;
817 if (getoption_bool(obj->iniconfig, section, "illegal seq", preset, 0))
818 volume->v_flags |= AFPVOL_EILSEQ;
819 if (getoption_bool(obj->iniconfig, section, "time machine", preset, 0))
820 volume->v_flags |= AFPVOL_TM;
821 if (getoption_bool(obj->iniconfig, section, "search db", preset, 0))
822 volume->v_flags |= AFPVOL_SEARCHDB;
823 if (!getoption_bool(obj->iniconfig, section, "network ids", preset, 1))
824 volume->v_flags |= AFPVOL_NONETIDS;
826 if (getoption_bool(obj->iniconfig, section, "acls", preset, 1))
827 volume->v_flags |= AFPVOL_ACLS;
829 if (!getoption_bool(obj->iniconfig, section, "convert appledouble", preset, 1))
830 volume->v_flags |= AFPVOL_NOV2TOEACONV;
831 if (getoption_bool(obj->iniconfig, section, "follow symlinks", preset, 0))
832 volume->v_flags |= AFPVOL_FOLLOWSYM;
833 if (getoption_bool(obj->iniconfig, section, "spotlight", preset, obj->options.flags & OPTION_SPOTLIGHT_VOL)) {
834 volume->v_flags |= AFPVOL_SPOTLIGHT;
835 obj->options.flags |= OPTION_SPOTLIGHT;
837 if (getoption_bool(obj->iniconfig, section, "delete veto files", preset, 0))
838 volume->v_flags |= AFPVOL_DELVETO;
840 if (getoption_bool(obj->iniconfig, section, "preexec close", preset, 0))
841 volume->v_preexec_close = 1;
842 if (getoption_bool(obj->iniconfig, section, "root preexec close", preset, 0))
843 volume->v_root_preexec_close = 1;
845 if ((val = getoption(obj->iniconfig, section, "ignored attributes", preset, obj->options.ignored_attr))) {
846 if (strstr(val, "all")) {
847 volume->v_ignattr |= ATTRBIT_NOWRITE | ATTRBIT_NORENAME | ATTRBIT_NODELETE;
849 if (strstr(val, "nowrite")) {
850 volume->v_ignattr |= ATTRBIT_NOWRITE;
852 if (strstr(val, "norename")) {
853 volume->v_ignattr |= ATTRBIT_NORENAME;
855 if (strstr(val, "nodelete")) {
856 volume->v_ignattr |= ATTRBIT_NODELETE;
860 val = getoption(obj->iniconfig, section, "chmod request", preset, NULL);
862 val = atalk_iniparser_getstring(obj->iniconfig, INISEC_GLOBAL, "chmod request", "preserve");
864 if (strcasecmp(val, "ignore") == 0) {
865 volume->v_flags |= AFPVOL_CHMOD_IGNORE;
866 } else if (strcasecmp(val, "preserve") == 0) {
867 volume->v_flags |= AFPVOL_CHMOD_PRESERVE_ACL;
868 } else if (strcasecmp(val, "simple") != 0) {
869 LOG(log_warning, logtype_afpd, "unknown 'chmod request' setting: '%s', using default", val);
870 volume->v_flags |= AFPVOL_CHMOD_PRESERVE_ACL;
874 * Handle read-only behaviour. semantics:
875 * 1) neither the rolist nor the rwlist exist -> rw
876 * 2) rolist exists -> ro if user is in it.
877 * 3) rwlist exists -> ro unless user is in it.
878 * 4) cnid scheme = last -> ro forcibly.
881 if (accessvol(obj, getoption(obj->iniconfig, section, "rolist", preset, NULL), pwd->pw_name) == 1
882 || accessvol(obj, getoption(obj->iniconfig, section, "rwlist", preset, NULL), pwd->pw_name) == 0)
883 volume->v_flags |= AFPVOL_RO;
885 if (0 == strcmp(volume->v_cnidscheme, "last"))
886 volume->v_flags |= AFPVOL_RO;
888 if ((volume->v_flags & AFPVOL_NODEV))
889 volume->v_ad_options |= ADVOL_NODEV;
890 if ((volume->v_flags & AFPVOL_UNIX_PRIV))
891 volume->v_ad_options |= ADVOL_UNIXPRIV;
892 if ((volume->v_flags & AFPVOL_INV_DOTS))
893 volume->v_ad_options |= ADVOL_INVDOTS;
894 if ((volume->v_flags & AFPVOL_FOLLOWSYM))
895 volume->v_ad_options |= ADVOL_FOLLO_SYML;
896 if ((volume->v_flags & AFPVOL_RO))
897 volume->v_ad_options |= ADVOL_RO;
899 /* Mac to Unix conversion flags*/
900 if ((volume->v_flags & AFPVOL_EILSEQ))
901 volume->v_mtou_flags |= CONV__EILSEQ;
903 if ((volume->v_casefold & AFPVOL_MTOUUPPER))
904 volume->v_mtou_flags |= CONV_TOUPPER;
905 else if ((volume->v_casefold & AFPVOL_MTOULOWER))
906 volume->v_mtou_flags |= CONV_TOLOWER;
908 /* Unix to Mac conversion flags*/
909 volume->v_utom_flags = CONV_IGNORE;
910 if ((volume->v_casefold & AFPVOL_UTOMUPPER))
911 volume->v_utom_flags |= CONV_TOUPPER;
912 else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
913 volume->v_utom_flags |= CONV_TOLOWER;
914 if ((volume->v_flags & AFPVOL_EILSEQ))
915 volume->v_utom_flags |= CONV__EILSEQ;
917 /* suffix for mangling use (lastvid + 1) */
918 /* because v_vid has not been decided yet. */
919 suffixlen = sprintf(suffix, "#%X", lastvid + 1 );
921 /* Unicode Volume Name */
922 /* Firstly convert name from unixcharset to UTF8-MAC */
924 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
926 strcpy(tmpname, "???");
930 /* Do we have to mangle ? */
931 if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
932 if (tmpvlen + suffixlen > obj->options.volnamelen) {
934 tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
935 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
937 strcat(tmpname, suffix);
938 tmpvlen = strlen(tmpname);
941 /* Secondly convert name from UTF8-MAC to UCS2 */
942 if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
945 LOG(log_maxdebug, logtype_afpd, "creatvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
947 /* Maccharset Volume Name */
948 /* Firsty convert name from unixcharset to maccharset */
950 tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
952 strcpy(tmpname, "???");
956 /* Do we have to mangle ? */
957 if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
958 if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
960 tmpvlen = convert_charset(obj->options.unixcharset,
961 obj->options.maccharset,
966 AFPVOL_MACNAMELEN - suffixlen,
968 tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
970 strcat(tmpname, suffix);
971 tmpvlen = strlen(tmpname);
974 /* Secondly convert name from maccharset to UCS2 */
975 if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
980 AFPVOL_U8MNAMELEN*2)) )
983 LOG(log_maxdebug, logtype_afpd, "creatvol: Volume '%s' -> Longname: '%s'", name, tmpname);
985 EC_NULL( volume->v_localname = strdup(name) );
986 EC_NULL( volume->v_u8mname = strdup_w(u8mtmpname) );
987 EC_NULL( volume->v_macname = strdup_w(mactmpname) );
988 EC_NULL( volume->v_path = strdup(path) );
990 volume->v_name = utf8_encoding(obj) ? volume->v_u8mname : volume->v_macname;
994 #endif /* __svr4__ */
996 /* os X start at 1 and use network order ie. 1 2 3 */
997 volume->v_vid = ++lastvid;
998 volume->v_vid = htons(volume->v_vid);
1001 if (!check_vol_acl_support(volume)) {
1002 LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
1003 volume->v_flags &= ~AFPVOL_ACLS;
1007 /* Check EA support on volume */
1008 if (volume->v_vfs_ea == AFPVOL_EA_AUTO || volume->v_adouble == AD_VERSION_EA)
1009 check_ea_support(volume);
1010 initvol_vfs(volume);
1012 /* get/store uuid from file in afpd master*/
1014 char *uuid = get_vol_uuid(obj, volume->v_localname);
1017 LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
1018 volume->v_localname);
1020 volume->v_uuid = uuid;
1021 LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
1022 volume->v_localname, volume->v_uuid);
1025 /* no errors shall happen beyond this point because the cleanup would mess the volume chain up */
1026 volume->v_next = Volumes;
1028 volume->v_obj = obj;
1031 LOG(log_debug, logtype_afpd, "creatvol: END: %d", ret);
1034 if (global_path_tmp)
1035 bdestroy(global_path_tmp);
1038 volume_free(volume);
1044 /* ----------------------
1046 static int volfile_changed(struct afp_options *p)
1050 if (!stat(p->configfile, &st) && st.st_mtime > p->volfile.mtime) {
1051 p->volfile.mtime = st.st_mtime;
1057 static int vol_section(const char *sec)
1059 if (STRCMP(sec, ==, INISEC_GLOBAL))
1064 #define MAXPRESETLEN 100
1066 * Read volumes from iniconfig and add the volumes contained within to
1067 * the global volume list. This gets called from the forked afpd childs.
1068 * The master now reads this too for Zeroconf announcements.
1070 static int readvolfile(AFPObj *obj, const struct passwd *pwent)
1073 static int regexerr = -1;
1076 char volname[AFPVOL_U8MNAMELEN + 1];
1077 char path[MAXPATHLEN + 1], tmp[MAXPATHLEN + 1];
1078 const char *preset, *default_preset, *p, *basedir;
1080 regmatch_t match[1];
1082 LOG(log_debug, logtype_afpd, "readvolfile: BEGIN");
1084 int secnum = atalk_iniparser_getnsec(obj->iniconfig);
1085 LOG(log_debug, logtype_afpd, "readvolfile: sections: %d", secnum);
1086 const char *secname;
1088 if ((default_preset = atalk_iniparser_getstring(obj->iniconfig, INISEC_GLOBAL, "vol preset", NULL))) {
1089 LOG(log_debug, logtype_afpd, "readvolfile: default_preset: %s", default_preset);
1092 for (i = 0; i < secnum; i++) {
1093 secname = atalk_iniparser_getsecname(obj->iniconfig, i);
1095 if (!vol_section(secname))
1097 if (STRCMP(secname, ==, INISEC_HOMES)) {
1099 if (!IS_AFP_SESSION(obj)
1100 || strcmp(obj->username, obj->options.guest) == 0)
1101 /* not an AFP session, but cnid daemon, dbd or ad util, or guest login */
1103 if (pwent->pw_dir == NULL || STRCMP("", ==, pwent->pw_dir)) {
1104 LOG(log_debug, logtype_afpd, "readvolfile: pwent->pw_dir: NULL or \"\" - no user home");
1107 LOG(log_debug, logtype_afpd, "readvolfile: pwent->pw_dir: '%s'", pwent->pw_dir);
1109 if ((realpath(pwent->pw_dir, tmp)) == NULL) {
1110 LOG(log_debug, logtype_afpd, "readvolfile: Cannot get realpath '%s' (%s).", pwent->pw_dir, strerror(errno));
1113 LOG(log_debug, logtype_afpd, "readvolfile: realpath pwent->pw_dir: '%s'", tmp);
1115 /* check if user home matches our "basedir regex" */
1116 if ((basedir = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "basedir regex", NULL)) == NULL) {
1117 LOG(log_error, logtype_afpd, "\"basedir regex =\" must be defined in [Homes] section");
1120 LOG(log_debug, logtype_afpd, "readvolfile: basedir regex: '%s'", basedir);
1122 if (regexerr != 0 && (regexerr = regcomp(®, basedir, REG_EXTENDED)) != 0) {
1124 regerror(regexerr, ®, errbuf, sizeof(errbuf));
1125 LOG(log_debug, logtype_default, "readvolfile: bad basedir regex: %s", errbuf);
1129 if (regexec(®, tmp, 1, match, 0) == REG_NOMATCH) {
1130 LOG(log_error, logtype_default, "readvolfile: user home \"%s\" doesn't match basedir regex \"%s\"",
1135 if ((p = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "path", NULL))) {
1136 strlcat(tmp, "/", MAXPATHLEN);
1137 strlcat(tmp, p, MAXPATHLEN);
1141 if ((p = atalk_iniparser_getstring(obj->iniconfig, secname, "path", NULL)) == NULL)
1143 strlcpy(tmp, p, MAXPATHLEN);
1146 if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
1149 /* do variable substitution for volume name */
1150 if (STRCMP(secname, ==, INISEC_HOMES)) {
1151 p = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "home name", "$u's home");
1152 if (strstr(p, "$u") == NULL) {
1153 LOG(log_warning, logtype_afpd, "home name must contain $u.");
1156 if (strchr(p, ':') != NULL) {
1157 LOG(log_warning, logtype_afpd, "home name must not contain \":\".");
1160 strlcpy(tmp, p, MAXPATHLEN);
1162 strlcpy(tmp, secname, AFPVOL_U8MNAMELEN);
1164 if (volxlate(obj, volname, sizeof(volname) - 1, tmp, pwent, path, NULL) == NULL)
1167 preset = atalk_iniparser_getstring(obj->iniconfig, secname, "vol preset", NULL);
1169 if ((realvolpath = realpath_safe(path)) == NULL)
1172 creatvol(obj, pwent, secname, volname, realvolpath, preset ? preset : default_preset ? default_preset : NULL);
1180 static struct extmap *Extmap = NULL, *Defextmap = NULL;
1181 static int Extmap_cnt;
1183 static int setextmap(char *ext, char *type, char *creator)
1189 if (Extmap == NULL) {
1190 EC_NULL_LOG( Extmap = calloc(1, sizeof( struct extmap )) );
1195 for (em = Extmap, cnt = 0; em->em_ext; em++, cnt++)
1196 if ((strdiacasecmp(em->em_ext, ext)) == 0)
1199 EC_NULL_LOG( Extmap = realloc(Extmap, sizeof(struct extmap) * (cnt + 2)) );
1200 (Extmap + cnt + 1)->em_ext = NULL;
1203 EC_NULL( em->em_ext = strdup(ext) );
1205 if ( *type == '\0' ) {
1206 memcpy(em->em_type, "\0\0\0\0", sizeof( em->em_type ));
1208 memcpy(em->em_type, type, sizeof( em->em_type ));
1210 if ( *creator == '\0' ) {
1211 memcpy(em->em_creator, "\0\0\0\0", sizeof( em->em_creator ));
1213 memcpy(em->em_creator, creator, sizeof( em->em_creator ));
1220 /* -------------------------- */
1221 static int extmap_cmp(const void *map1, const void *map2)
1223 const struct extmap *em1 = map1;
1224 const struct extmap *em2 = map2;
1225 return strdiacasecmp(em1->em_ext, em2->em_ext);
1228 static void sortextmap( void)
1233 if ((em = Extmap) == NULL) {
1236 while (em->em_ext) {
1241 qsort(Extmap, Extmap_cnt, sizeof(struct extmap), extmap_cmp);
1242 if (*Extmap->em_ext == 0) {
1243 /* the first line is really "." the default entry,
1244 * we remove the leading '.' in setextmap
1251 static void free_extmap( void)
1256 for ( em = Extmap; em->em_ext; em++) {
1266 static int ext_cmp_key(const void *key, const void *obj)
1268 const char *p = key;
1269 const struct extmap *em = obj;
1270 return strdiacasecmp(p, em->em_ext);
1273 struct extmap *getextmap(const char *path)
1278 if (!Extmap_cnt || NULL == ( p = strrchr( path, '.' )) ) {
1279 return( Defextmap );
1283 return( Defextmap );
1285 em = bsearch(p, Extmap, Extmap_cnt, sizeof(struct extmap), ext_cmp_key);
1289 return( Defextmap );
1293 struct extmap *getdefextmap(void)
1295 return( Defextmap );
1298 static int readextmap(const char *file)
1304 char type[5], creator[5];
1306 LOG(log_debug, logtype_afpd, "readextmap: loading \"%s\"", file);
1308 EC_NULL_LOGSTR( fp = fopen(file, "r"), "Couldn't open extension maping file %s", file);
1310 while (fgets(buf, sizeof(buf), fp) != NULL) {
1311 initline(strlen(buf), buf);
1312 parseline(sizeof(ext) - 1, ext);
1316 parseline(sizeof(type) - 1, type);
1317 parseline(sizeof(creator) - 1, creator);
1318 setextmap(ext, type, creator);
1319 LOG(log_debug, logtype_afpd, "readextmap: mapping: '%s' -> %s/%s", ext, type, creator);
1325 EC_ZERO( fclose(fp) );
1327 LOG(log_debug, logtype_afpd, "readextmap: done", file);
1333 /**************************************************************
1335 **************************************************************/
1338 * Remove a volume from the linked list of volumes
1340 void volume_unlink(struct vol *volume)
1342 struct vol *vol, *ovol, *nvol;
1344 if (volume == Volumes) {
1348 for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
1351 if (vol == volume) {
1352 ovol->v_next = nvol;
1362 * Free all resources allocated in a struct vol in load_volumes()
1364 * Actually opening a volume (afp_openvol()) will allocate additional
1365 * ressources which are freed in closevol()
1367 void volume_free(struct vol *vol)
1369 free(vol->v_configname);
1370 free(vol->v_localname);
1371 free(vol->v_u8mname);
1372 free(vol->v_macname);
1374 free(vol->v_password);
1376 free(vol->v_volcodepage);
1377 free(vol->v_maccodepage);
1378 free(vol->v_cnidscheme);
1379 free(vol->v_dbpath);
1382 free(vol->v_cnidserver);
1383 free(vol->v_cnidport);
1384 free(vol->v_preexec);
1385 free(vol->v_root_preexec);
1386 free(vol->v_postexec);
1387 free(vol->v_root_postexec);
1393 * Load charsets for a volume
1395 int load_charset(struct vol *vol)
1397 if ((vol->v_maccharset = add_charset(vol->v_maccodepage)) == (charset_t)-1) {
1398 LOG(log_error, logtype_default, "Setting mac charset '%s' failed", vol->v_maccodepage);
1402 if ((vol->v_volcharset = add_charset(vol->v_volcodepage)) == (charset_t)-1) {
1403 LOG(log_error, logtype_default, "Setting vol charset '%s' failed", vol->v_volcodepage);
1411 * Initialize volumes and load ini configfile
1413 * @param obj (r) handle
1414 * @param flags (r) flags controlling volume load behaviour
1416 int load_volumes(AFPObj *obj, lv_flags_t flags)
1420 static long bufsize;
1421 static char *pwbuf = NULL;
1424 struct passwd pwent;
1425 struct passwd *pwresult = NULL;
1430 LOG(log_debug, logtype_afpd, "load_volumes: BEGIN");
1432 if (pwbuf == NULL) {
1433 bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
1434 if (bufsize == -1) /* Value was indeterminate */
1435 bufsize = 16384; /* Should be more than enough */
1436 EC_NULL( pwbuf = malloc(bufsize) );
1439 if (!(flags & lv_all) && obj->uid) {
1440 ret = getpwuid_r(obj->uid, &pwent, pwbuf, bufsize, &pwresult);
1441 if (pwresult == NULL) {
1442 LOG(log_error, logtype_afpd, "load_volumes: getpwuid_r: %s", strerror(errno));
1449 if (!volfile_changed(&obj->options))
1452 for (vol = Volumes; vol; vol = vol->v_next) {
1455 if (obj->uid && pwresult) {
1457 ret = set_groups(obj, pwresult);
1460 LOG(log_error, logtype_afpd, "load_volumes: set_groups: %s", strerror(errno));
1465 LOG(log_debug, logtype_afpd, "load_volumes: no volumes yet");
1466 EC_ZERO_LOG( lstat(obj->options.configfile, &st) );
1467 obj->options.volfile.mtime = st.st_mtime;
1470 /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
1472 fd = open(obj->options.configfile, O_RDONLY);
1474 while (retries < 2) {
1475 if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
1478 LOG(log_error, logtype_afpd, "readvolfile: can't lock configfile \"%s\"",
1479 obj->options.configfile);
1489 atalk_iniparser_freedict(obj->iniconfig);
1490 LOG(log_debug, logtype_afpd, "load_volumes: loading: %s", obj->options.configfile);
1491 obj->iniconfig = atalk_iniparser_load(obj->options.configfile);
1493 EC_ZERO_LOG( readvolfile(obj, pwresult) );
1495 struct vol *p, *prevvol;
1501 if (vol->v_deleted && !(vol->v_flags & AFPVOL_OPEN)) {
1502 LOG(log_debug, logtype_afpd, "load_volumes: deleted: %s", vol->v_localname);
1504 prevvol->v_next = vol->v_next;
1520 LOG(log_debug, logtype_afpd, "load_volumes: END");
1524 void unload_volumes(AFPObj *obj)
1526 struct vol *vol, *p;
1528 LOG(log_debug, logtype_afpd, "unload_volumes: BEGIN");
1537 obj->options.volfile.mtime = 0;
1539 LOG(log_debug, logtype_afpd, "unload_volumes: END");
1542 struct vol *getvolumes(void)
1547 struct vol *getvolbyvid(const uint16_t vid )
1551 for ( vol = Volumes; vol; vol = vol->v_next ) {
1552 if ( vid == vol->v_vid ) {
1556 if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
1564 * get username by path
1566 * getvolbypath() assumes that the user home directory has the same name as the username.
1567 * If that is not true, getuserbypath() is called and tries to retrieve the username
1568 * from the directory owner, checking its validity.
1570 * @param path (r) absolute volume path
1571 * @returns NULL if no match is found, pointer to username if successfull
1574 static char *getuserbypath(const char *path)
1581 LOG(log_debug, logtype_afpd, "getuserbypath(\"%s\")", path);
1583 /* does folder exists? */
1584 if (stat(path, &sbuf) != 0)
1587 /* get uid of dir owner */
1588 if ((pwd = getpwuid(sbuf.st_uid)) == NULL)
1591 /* does user home directory exists? */
1592 if (stat(pwd->pw_dir, &sbuf) != 0)
1595 /* resolve and remove symlinks */
1596 if ((hdir = realpath_safe(pwd->pw_dir)) == NULL)
1599 /* handle subdirectories, path = */
1600 if (strncmp(path, hdir, strlen(hdir)) != 0)
1603 LOG(log_debug, logtype_afpd, "getuserbypath: match user: %s, home: %s, realhome: %s",
1604 pwd->pw_name, pwd->pw_dir, hdir);
1611 return pwd->pw_name;
1614 * Search volume by path, creating user home vols as necessary
1616 * Path may be absolute or relative. Ordinary volume structs are created when
1617 * the ini config is initially parsed (load_volumes()), but user volumes are
1618 * as load_volumes() only can create the user volume of the logged in user
1619 * in an AFP session in afpd, but not when called from eg cnid_metad or dbd.
1620 * Both cnid_metad and dbd thus need a way to lookup and create struct vols
1621 * for user home by path. This is what this func does as well.
1623 * (1) Search "normal" volume list
1624 * (2) Check if theres a [Homes] section, load_volumes() remembers this for us
1625 * (3) If there is, match "path" with "basedir regex" to get the user home parent dir
1626 * (4) Built user home path by appending the basedir matched in (3) and appending the username
1627 * (5) The next path element then is the username
1628 * (5b) getvolbypath() assumes that the user home directory has the same name as the username.
1629 * If that is not true, getuserbypath() is called and tries to retrieve the username
1630 * from the directory owner, checking its validity
1631 * (6) Append [Homes]->path subdirectory if defined
1634 * @param obj (rw) handle
1635 * @param path (r) path, may be relative or absolute
1637 struct vol *getvolbypath(AFPObj *obj, const char *path)
1640 static int regexerr = -1;
1644 const struct passwd *pw;
1645 char volname[AFPVOL_U8MNAMELEN + 1];
1646 char *realabspath = NULL;
1647 char volpath[MAXPATHLEN + 1], *realvolpath = NULL;
1648 char tmpbuf[MAXPATHLEN + 1];
1649 const char *secname, *basedir, *p = NULL, *subpath = NULL, *subpathconfig;
1650 char *user = NULL, *prw;
1651 regmatch_t match[1];
1653 LOG(log_debug, logtype_afpd, "getvolbypath(\"%s\")", path);
1655 /* build absolute path */
1656 EC_NULL( realabspath = realpath_safe(path) );
1659 for (tmp = Volumes; tmp; tmp = tmp->v_next) { /* (1) */
1660 size_t v_path_len = strlen(tmp->v_path);
1661 if (strncmp(path, tmp->v_path, v_path_len) == 0) {
1662 if (v_path_len < strlen(path) && path[v_path_len] != '/') {
1663 LOG(log_debug, logtype_afpd, "getvolbypath: path(\"%s\") != volume(\"%s\")", path, tmp->v_path);
1665 LOG(log_debug, logtype_afpd, "getvolbypath: path(\"%s\") == volume(\"%s\")", path, tmp->v_path);
1670 LOG(log_debug, logtype_afpd, "getvolbypath: path(\"%s\") != volume(\"%s\")", path, tmp->v_path);
1674 if (!have_uservol) /* (2) */
1675 EC_FAIL_LOG("getvolbypath(\"%s\"): no volume for path", path);
1677 int secnum = atalk_iniparser_getnsec(obj->iniconfig);
1679 for (int i = 0; i < secnum; i++) {
1680 secname = atalk_iniparser_getsecname(obj->iniconfig, i);
1681 if (STRCMP(secname, ==, INISEC_HOMES))
1685 if (STRCMP(secname, !=, INISEC_HOMES))
1686 EC_FAIL_LOG("getvolbypath(\"%s\"): no volume for path", path);
1689 EC_NULL_LOG( basedir = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "basedir regex", NULL) );
1690 LOG(log_debug, logtype_afpd, "getvolbypath: user home section: '%s', basedir: '%s'", secname, basedir);
1692 if (regexerr != 0 && (regexerr = regcomp(®, basedir, REG_EXTENDED)) != 0) {
1694 regerror(regexerr, ®, errbuf, sizeof(errbuf));
1695 printf("error: %s\n", errbuf);
1696 EC_FAIL_LOG("getvolbypath(\"%s\"): bad basedir regex: %s", errbuf);
1699 if (regexec(®, path, 1, match, 0) == REG_NOMATCH)
1700 EC_FAIL_LOG("getvolbypath(\"%s\"): no volume for path", path);
1702 if (match[0].rm_eo - match[0].rm_so > MAXPATHLEN)
1703 EC_FAIL_LOG("getvolbypath(\"%s\"): path too long", path);
1706 strncpy(tmpbuf, path + match[0].rm_so, match[0].rm_eo - match[0].rm_so);
1707 tmpbuf[match[0].rm_eo - match[0].rm_so] = 0;
1709 LOG(log_debug, logtype_afpd, "getvolbypath: basedir regex: '%s', basedir match: \"%s\"",
1712 strlcat(tmpbuf, "/", MAXPATHLEN);
1715 p = path + match[0].rm_eo - match[0].rm_so;
1718 EC_NULL_LOG( user = strdup(p) );
1720 if ((prw = strchr(user, '/')))
1725 strlcat(tmpbuf, user, MAXPATHLEN);
1726 if ((pw = getpwnam(user)) == NULL) {
1729 if ((tuser = getuserbypath(tmpbuf)) != NULL) {
1731 user = strdup(tuser);
1733 if ((pw = getpwnam(user)) == NULL)
1734 EC_FAIL_LOG("unknown user: %s", user);
1736 strlcpy(obj->username, user, MAXUSERLEN);
1737 strlcat(tmpbuf, "/", MAXPATHLEN);
1740 if ((subpathconfig = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "path", NULL))) {
1742 if (!subpath || strncmp(subpathconfig, subpath, strlen(subpathconfig)) != 0) {
1746 strlcat(tmpbuf, subpathconfig, MAXPATHLEN);
1747 strlcat(tmpbuf, "/", MAXPATHLEN);
1752 if (volxlate(obj, volpath, sizeof(volpath) - 1, tmpbuf, pw, NULL, NULL) == NULL)
1755 EC_NULL( realvolpath = realpath_safe(volpath) );
1756 EC_NULL( pw = getpwnam(user) );
1758 LOG(log_debug, logtype_afpd, "getvolbypath(\"%s\"): user: %s, homedir: %s => realvolpath: \"%s\"",
1759 path, user, pw->pw_dir, realvolpath);
1761 /* do variable substitution for volume name */
1762 p = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "home name", "$u's home");
1763 if (strstr(p, "$u") == NULL)
1765 strlcpy(tmpbuf, p, AFPVOL_U8MNAMELEN);
1766 EC_NULL_LOG( volxlate(obj, volname, sizeof(volname) - 1, tmpbuf, pw, realvolpath, NULL) );
1768 const char *preset, *default_preset;
1769 default_preset = atalk_iniparser_getstring(obj->iniconfig, INISEC_GLOBAL, "vol preset", NULL);
1770 preset = atalk_iniparser_getstring(obj->iniconfig, INISEC_HOMES, "vol preset", NULL);
1772 vol = creatvol(obj, pw, INISEC_HOMES, volname, realvolpath, preset ? preset : default_preset ? default_preset : NULL);
1786 struct vol *getvolbyname(const char *name)
1788 struct vol *vol = NULL;
1791 for (tmp = Volumes; tmp; tmp = tmp->v_next) {
1792 if (strncmp(name, tmp->v_configname, strlen(tmp->v_configname)) == 0) {
1802 * Initialize an AFPObj and options from ini config file
1804 int afp_config_parse(AFPObj *AFPObj, char *processname)
1808 struct afp_options *options = &AFPObj->options;
1814 if (processname != NULL)
1815 set_processname(processname);
1817 AFPObj->afp_version = 11;
1818 options->configfile = AFPObj->cmdlineconfigfile ? strdup(AFPObj->cmdlineconfigfile) : strdup(_PATH_CONFDIR "afp.conf");
1819 options->sigconffile = strdup(_PATH_STATEDIR "afp_signature.conf");
1820 options->uuidconf = strdup(_PATH_STATEDIR "afp_voluuid.conf");
1821 #ifdef HAVE_TRACKER_SPARQL
1822 options->slmod_path = strdup(_PATH_AFPDUAMPATH "slmod_sparql.so");
1824 options->flags = OPTION_UUID | AFPObj->cmdlineflags;
1826 if ((config = atalk_iniparser_load(AFPObj->options.configfile)) == NULL)
1828 AFPObj->iniconfig = config;
1831 options->logconfig = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "log level", "default:note");
1832 options->logfile = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "log file", NULL);
1834 setuplog(options->logconfig, options->logfile);
1836 /* "server options" boolean options */
1837 if (!atalk_iniparser_getboolean(config, INISEC_GLOBAL, "zeroconf", 1))
1838 options->flags |= OPTION_NOZEROCONF;
1839 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "advertise ssh", 0))
1840 options->flags |= OPTION_ANNOUNCESSH;
1841 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "close vol", 0))
1842 options->flags |= OPTION_CLOSEVOL;
1843 if (!atalk_iniparser_getboolean(config, INISEC_GLOBAL, "client polling", 0))
1844 options->flags |= OPTION_SERVERNOTIF;
1845 if (!atalk_iniparser_getboolean(config, INISEC_GLOBAL, "use sendfile", 1))
1846 options->flags |= OPTION_NOSENDFILE;
1847 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "recvfile", 0))
1848 options->flags |= OPTION_RECVFILE;
1849 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "solaris share reservations", 1))
1850 options->flags |= OPTION_SHARE_RESERV;
1851 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "afpstats", 0))
1852 options->flags |= OPTION_DBUS_AFPSTATS;
1853 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "afp read locks", 0))
1854 options->flags |= OPTION_AFP_READ_LOCK;
1855 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "spotlight", 0))
1856 options->flags |= OPTION_SPOTLIGHT_VOL;
1857 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "veto message", 0))
1858 options->flags |= OPTION_VETOMSG;
1859 if (!atalk_iniparser_getboolean(config, INISEC_GLOBAL, "save password", 1))
1860 options->passwdbits |= PASSWD_NOSAVE;
1861 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "set password", 0))
1862 options->passwdbits |= PASSWD_SET;
1863 if (atalk_iniparser_getboolean(config, INISEC_GLOBAL, "spotlight expr", 1))
1864 options->flags |= OPTION_SPOTLIGHT_EXPR;
1866 /* figure out options w values */
1867 options->loginmesg = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "login message", NULL);
1868 options->guest = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "guest account", "nobody");
1869 options->extmapfile = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "extmap file", _PATH_CONFDIR "extmap.conf");
1870 options->passwdfile = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "passwd file", _PATH_AFPDPWFILE);
1871 options->uampath = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "uam path", _PATH_AFPDUAMPATH);
1872 options->uamlist = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "uam list", "uams_dhx.so uams_dhx2.so");
1873 options->port = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "afp port", "548");
1874 options->signatureopt = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "signature", "");
1875 options->k5service = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "k5 service", NULL);
1876 options->k5realm = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "k5 realm", NULL);
1877 options->listen = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "afp listen", NULL);
1878 options->interfaces = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "afp interfaces", NULL);
1879 options->ntdomain = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "nt domain", NULL);
1880 options->addomain = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "ad domain", NULL);
1881 options->ntseparator = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "nt separator", NULL);
1882 options->mimicmodel = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "mimic model", NULL);
1883 options->adminauthuser = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "admin auth user",NULL);
1884 options->ignored_attr = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "ignored attributes", NULL);
1885 options->cnid_mysql_host = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "cnid mysql host", NULL);
1886 options->cnid_mysql_user = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "cnid mysql user", NULL);
1887 options->cnid_mysql_pw = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "cnid mysql pw", NULL);
1888 options->cnid_mysql_db = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "cnid mysql db", NULL);
1889 options->connections = atalk_iniparser_getint (config, INISEC_GLOBAL, "max connections",200);
1890 options->passwdminlen = atalk_iniparser_getint (config, INISEC_GLOBAL, "passwd minlen", 0);
1891 options->tickleval = atalk_iniparser_getint (config, INISEC_GLOBAL, "tickleval", 30);
1892 options->timeout = atalk_iniparser_getint (config, INISEC_GLOBAL, "timeout", 4);
1893 options->dsireadbuf = atalk_iniparser_getint (config, INISEC_GLOBAL, "dsireadbuf", 12);
1894 options->server_quantum = atalk_iniparser_getint (config, INISEC_GLOBAL, "server quantum", DSI_SERVQUANT_DEF);
1895 options->volnamelen = atalk_iniparser_getint (config, INISEC_GLOBAL, "volnamelen", 80);
1896 options->dircachesize = atalk_iniparser_getint (config, INISEC_GLOBAL, "dircachesize", DEFAULT_MAX_DIRCACHE_SIZE);
1897 options->tcp_sndbuf = atalk_iniparser_getint (config, INISEC_GLOBAL, "tcpsndbuf", 0);
1898 options->tcp_rcvbuf = atalk_iniparser_getint (config, INISEC_GLOBAL, "tcprcvbuf", 0);
1899 options->fce_fmodwait = atalk_iniparser_getint (config, INISEC_GLOBAL, "fce holdfmod", 60);
1900 options->sleep = atalk_iniparser_getint (config, INISEC_GLOBAL, "sleep time", 10);
1901 options->disconnected = atalk_iniparser_getint (config, INISEC_GLOBAL, "disconnect time",24);
1902 options->splice_size = atalk_iniparser_getint (config, INISEC_GLOBAL, "splice size", 64*1024);
1903 options->sparql_limit = atalk_iniparser_getint (config, INISEC_GLOBAL, "sparql results limit", 0);
1905 p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "map acls", "rights");
1906 if (STRCMP(p, ==, "rights"))
1907 options->flags |= OPTION_ACL2MACCESS;
1908 else if (STRCMP(p, ==, "mode"))
1909 options->flags |= OPTION_ACL2MODE | OPTION_ACL2MACCESS;
1911 if (STRCMP(p, !=, "none")) {
1912 LOG(log_error, logtype_afpd, "bad ACL mapping option: %s, defaulting to 'rights'", p);
1913 options->flags |= OPTION_ACL2MACCESS;
1917 if ((p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "hostname", NULL))) {
1918 EC_NULL_LOG( options->hostname = strdup(p) );
1920 if (gethostname(val, sizeof(val)) < 0 ) {
1921 perror( "gethostname" );
1924 if ((q = strchr(val, '.')))
1926 options->hostname = strdup(val);
1929 if ((p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "k5 keytab", NULL))) {
1930 EC_NULL_LOG( options->k5keytab = malloc(strlen(p) + 14) );
1931 snprintf(options->k5keytab, strlen(p) + 14, "KRB5_KTNAME=%s", p);
1932 putenv(options->k5keytab);
1936 if ((p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "admin group", NULL))) {
1937 struct group *gr = getgrnam(p);
1939 options->admingid = gr->gr_gid;
1941 #endif /* ADMIN_GRP */
1943 q = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "cnid server", "localhost:4700");
1944 r = strrchr(q, ':');
1947 options->Cnid_srv = strdup(q);
1949 options->Cnid_port = strdup(r + 1);
1951 options->Cnid_port = strdup("4700");
1952 LOG(log_debug, logtype_afpd, "CNID Server: %s:%s", options->Cnid_srv, options->Cnid_port);
1956 if ((q = atalk_iniparser_getstrdup(config, INISEC_GLOBAL, "fqdn", NULL))) {
1957 /* do a little checking for the domain name. */
1961 if (gethostbyname(q)) {
1964 EC_NULL_LOG( options->fqdn = strdup(q) );
1966 LOG(log_error, logtype_afpd, "error parsing -fqdn, gethostbyname failed for: %s", q);
1971 /* Charset Options */
1973 /* unix charset is in [G] only */
1974 if (!(p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "unix charset", NULL))) {
1975 options->unixcodepage = strdup("UTF8");
1976 set_charset_name(CH_UNIX, "UTF8");
1978 if (strcasecmp(p, "LOCALE") == 0) {
1979 #if defined(CODESET)
1980 setlocale(LC_ALL, "");
1981 p = nl_langinfo(CODESET);
1982 LOG(log_debug, logtype_afpd, "Locale charset is '%s'", p);
1983 #else /* system doesn't have LOCALE support */
1984 LOG(log_warning, logtype_afpd, "system doesn't have LOCALE support");
1988 if (strcasecmp(p, "UTF-8") == 0) {
1991 options->unixcodepage = strdup(p);
1992 set_charset_name(CH_UNIX, p);
1994 options->unixcharset = CH_UNIX;
1995 LOG(log_debug, logtype_afpd, "Global unix charset is %s", options->unixcodepage);
1997 /* vol charset is in [G] and [V] */
1998 if (!(p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "vol charset", NULL))) {
1999 options->volcodepage = strdup(options->unixcodepage);
2001 if (strcasecmp(p, "UTF-8") == 0) {
2004 options->volcodepage = strdup(p);
2006 LOG(log_debug, logtype_afpd, "Global vol charset is %s", options->volcodepage);
2008 /* mac charset is in [G] and [V] */
2009 if (!(p = atalk_iniparser_getstring(config, INISEC_GLOBAL, "mac charset", NULL))) {
2010 options->maccodepage = strdup("MAC_ROMAN");
2011 set_charset_name(CH_MAC, "MAC_ROMAN");
2013 if (strncasecmp(p, "MAC", 3) != 0) {
2014 LOG(log_warning, logtype_afpd, "Is '%s' really mac charset? ", p);
2016 options->maccodepage = strdup(p);
2017 set_charset_name(CH_MAC, p);
2019 options->maccharset = CH_MAC;
2020 LOG(log_debug, logtype_afpd, "Global mac charset is %s", options->maccodepage);
2022 if (readextmap(options->extmapfile) != 0) {
2023 LOG(log_error, logtype_afpd, "Couldn't load extension -> type/creator mappings file \"%s\"",
2024 options->extmapfile);
2027 /* Check for sane values */
2028 if (options->tickleval <= 0)
2029 options->tickleval = 30;
2030 options->disconnected *= 3600 / options->tickleval;
2031 options->sleep *= 3600 / options->tickleval;
2032 if (options->timeout <= 0)
2033 options->timeout = 4;
2034 if (options->sleep <= 4)
2035 options->disconnected = options->sleep = 4;
2036 if (options->dsireadbuf < 6)
2037 options->dsireadbuf = 6;
2038 if (options->volnamelen < 8)
2039 options->volnamelen = 8; /* max mangled volname "???#FFFF" */
2040 if (options->volnamelen > 255)
2041 options->volnamelen = 255; /* AFP3 spec */
2047 #define CONFIG_ARG_FREE(a) do { \
2052 /* get rid of any allocated afp_option buffers. */
2053 void afp_config_free(AFPObj *obj)
2055 if (obj->options.configfile)
2056 CONFIG_ARG_FREE(obj->options.configfile);
2057 if (obj->options.sigconffile)
2058 CONFIG_ARG_FREE(obj->options.sigconffile);
2059 if (obj->options.uuidconf)
2060 CONFIG_ARG_FREE(obj->options.uuidconf);
2061 if (obj->options.logconfig)
2062 CONFIG_ARG_FREE(obj->options.logconfig);
2063 if (obj->options.logfile)
2064 CONFIG_ARG_FREE(obj->options.logfile);
2065 if (obj->options.loginmesg)
2066 CONFIG_ARG_FREE(obj->options.loginmesg);
2067 if (obj->options.guest)
2068 CONFIG_ARG_FREE(obj->options.guest);
2069 if (obj->options.extmapfile)
2070 CONFIG_ARG_FREE(obj->options.extmapfile);
2071 if (obj->options.passwdfile)
2072 CONFIG_ARG_FREE(obj->options.passwdfile);
2073 if (obj->options.uampath)
2074 CONFIG_ARG_FREE(obj->options.uampath);
2075 if (obj->options.uamlist)
2076 CONFIG_ARG_FREE(obj->options.uamlist);
2077 if (obj->options.port)
2078 CONFIG_ARG_FREE(obj->options.port);
2079 if (obj->options.signatureopt)
2080 CONFIG_ARG_FREE(obj->options.signatureopt);
2081 if (obj->options.k5service)
2082 CONFIG_ARG_FREE(obj->options.k5service);
2083 if (obj->options.k5realm)
2084 CONFIG_ARG_FREE(obj->options.k5realm);
2085 if (obj->options.k5principal)
2086 CONFIG_ARG_FREE(obj->options.k5principal);
2087 if (obj->options.listen)
2088 CONFIG_ARG_FREE(obj->options.listen);
2089 if (obj->options.interfaces)
2090 CONFIG_ARG_FREE(obj->options.interfaces);
2091 if (obj->options.ntdomain)
2092 CONFIG_ARG_FREE(obj->options.ntdomain);
2093 if (obj->options.addomain)
2094 CONFIG_ARG_FREE(obj->options.addomain);
2095 if (obj->options.ntseparator)
2096 CONFIG_ARG_FREE(obj->options.ntseparator);
2097 if (obj->options.mimicmodel)
2098 CONFIG_ARG_FREE(obj->options.mimicmodel);
2099 if (obj->options.adminauthuser)
2100 CONFIG_ARG_FREE(obj->options.adminauthuser);
2101 if (obj->options.hostname)
2102 CONFIG_ARG_FREE(obj->options.hostname);
2103 if (obj->options.k5keytab)
2104 CONFIG_ARG_FREE(obj->options.k5keytab);
2105 if (obj->options.Cnid_srv)
2106 CONFIG_ARG_FREE(obj->options.Cnid_srv);
2107 if (obj->options.Cnid_port)
2108 CONFIG_ARG_FREE(obj->options.Cnid_port);
2109 if (obj->options.fqdn)
2110 CONFIG_ARG_FREE(obj->options.fqdn);
2111 if (obj->options.ignored_attr)
2112 CONFIG_ARG_FREE(obj->options.ignored_attr);
2113 if (obj->options.slmod_path)
2114 CONFIG_ARG_FREE(obj->options.slmod_path);
2116 if (obj->options.unixcodepage)
2117 CONFIG_ARG_FREE(obj->options.unixcodepage);
2118 if (obj->options.maccodepage)
2119 CONFIG_ARG_FREE(obj->options.maccodepage);
2120 if (obj->options.volcodepage)
2121 CONFIG_ARG_FREE(obj->options.volcodepage);
2123 obj->options.flags = 0;
2124 obj->options.passwdbits = 0;
2126 /* Free everything called from afp_config_parse() */
2128 atalk_iniparser_freedict(obj->iniconfig);
2129 free_charset_names();