--- /dev/null
+/*
+ Copyright (c) 2012 Frank Lahm <franklahm@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <grp.h>
+#include <utime.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <inttypes.h>
+#include <time.h>
+
+#include <atalk/afp.h>
+#include <atalk/util.h>
+#include <atalk/logger.h>
+#include <atalk/ea.h>
+#include <atalk/globals.h>
+#include <atalk/errchk.h>
+#include <atalk/iniparser.h>
+#include <atalk/unix.h>
+#include <atalk/cnid.h>
+#include <atalk/dsi.h>
+#include <atalk/uuid.h>
+
+#define VOLOPT_ALLOW 0 /* user allow list */
+#define VOLOPT_DENY 1 /* user deny list */
+#define VOLOPT_RWLIST 2 /* user rw list */
+#define VOLOPT_ROLIST 3 /* user ro list */
+#define VOLOPT_PASSWORD 4 /* volume password */
+#define VOLOPT_CASEFOLD 5 /* character case mangling */
+#define VOLOPT_FLAGS 6 /* various flags */
+#define VOLOPT_DBPATH 7 /* path to database */
+#define VOLOPT_LIMITSIZE 8 /* Limit the size of the volume */
+/* Usable slot: 9 */
+#define VOLOPT_VETO 10 /* list of veto filespec */
+#define VOLOPT_PREEXEC 11 /* preexec command */
+#define VOLOPT_ROOTPREEXEC 12 /* root preexec command */
+#define VOLOPT_POSTEXEC 13 /* postexec command */
+#define VOLOPT_ROOTPOSTEXEC 14 /* root postexec command */
+#define VOLOPT_ENCODING 15 /* mac encoding (pre OSX)*/
+#define VOLOPT_MACCHARSET 16
+#define VOLOPT_CNIDSCHEME 17
+#define VOLOPT_ADOUBLE 18 /* adouble version */
+/* Usable slot: 19/20 */
+#define VOLOPT_UMASK 21
+#define VOLOPT_ALLOWED_HOSTS 22
+#define VOLOPT_DENIED_HOSTS 23
+#define VOLOPT_DPERM 24 /* dperm default directories perms */
+#define VOLOPT_FPERM 25 /* fperm default files perms */
+#define VOLOPT_DFLTPERM 26 /* perm */
+#define VOLOPT_EA_VFS 27 /* Extended Attributes vfs indirection */
+#define VOLOPT_CNIDSERVER 28 /* CNID Server ip address*/
+#define VOLOPT_CNIDPORT 30 /* CNID server tcp port */
+
+#define VOLOPT_MAX 31 /* <== IMPORTANT !!!!!! */
+#define VOLOPT_NUM (VOLOPT_MAX + 1)
+
+#define VOLPASSLEN 8
+
+#define IS_VAR(a, b) (strncmp((a), (b), 2) == 0)
+
+struct vol_option {
+ char *c_value;
+ int i_value;
+};
+
+/**************************************************************
+ * Locals
+ **************************************************************/
+
+static struct vol *Volumes = NULL;
+static uint16_t lastvid = 0;
+
+/*
+ * Get a volumes UUID from the config file.
+ * If there is none, it is generated and stored there.
+ *
+ * Returns pointer to allocated storage on success, NULL on error.
+ */
+static char *get_vol_uuid(const AFPObj *obj, const char *volname)
+{
+ char *volname_conf;
+ char buf[1024], uuid[UUID_PRINTABLE_STRING_LENGTH], *p;
+ FILE *fp;
+ struct stat tmpstat;
+ int fd;
+
+ if ((fp = fopen(obj->options.uuidconf, "r")) != NULL) { /* read open? */
+ /* scan in the conf file */
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ p = buf;
+ while (p && isblank(*p))
+ p++;
+ if (!p || (*p == '#') || (*p == '\n'))
+ continue; /* invalid line */
+ if (*p == '"') {
+ p++;
+ if ((volname_conf = strtok( p, "\"" )) == NULL)
+ continue; /* syntax error */
+ } else {
+ if ((volname_conf = strtok( p, " \t" )) == NULL)
+ continue; /* syntax error: invalid name */
+ }
+ p = strchr(p, '\0');
+ p++;
+ if (*p == '\0')
+ continue; /* syntax error */
+
+ if (strcmp(volname, volname_conf) != 0)
+ continue; /* another volume name */
+
+ while (p && isblank(*p))
+ p++;
+
+ if (sscanf(p, "%36s", uuid) == 1 ) {
+ for (int i=0; uuid[i]; i++)
+ uuid[i] = toupper(uuid[i]);
+ LOG(log_debug, logtype_afpd, "get_uuid('%s'): UUID: '%s'", volname, uuid);
+ fclose(fp);
+ return strdup(uuid);
+ }
+ }
+ }
+
+ if (fp)
+ fclose(fp);
+
+ /* not found or no file, reopen in append mode */
+
+ if (stat(obj->options.uuidconf, &tmpstat)) { /* no file */
+ if (( fd = creat(obj->options.uuidconf, 0644 )) < 0 ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ return NULL;
+ }
+ if (( fp = fdopen( fd, "w" )) == NULL ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ close(fd);
+ return NULL;
+ }
+ } else if ((fp = fopen(obj->options.uuidconf, "a+")) == NULL) { /* not found */
+ LOG(log_error, logtype_afpd, "Cannot create or append to %s (%s).",
+ obj->options.uuidconf, strerror(errno));
+ return NULL;
+ }
+ fseek(fp, 0L, SEEK_END);
+ if(ftell(fp) == 0) { /* size = 0 */
+ fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
+ fprintf(fp, "# This file is auto-generated by afpd\n");
+ fprintf(fp, "# and stores UUIDs for TM volumes.\n\n");
+ } else {
+ fseek(fp, -1L, SEEK_END);
+ if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
+ }
+
+ /* generate uuid and write to file */
+ atalk_uuid_t id;
+ const char *cp;
+ randombytes((void *)id, 16);
+ cp = uuid_bin2string(id);
+
+ LOG(log_debug, logtype_afpd, "get_uuid('%s'): generated UUID '%s'", volname, cp);
+
+ fprintf(fp, "\"%s\"\t%36s\n", volname, cp);
+ fclose(fp);
+
+ return strdup(cp);
+}
+
+/*
+ Check if the underlying filesystem supports EAs.
+ If not, switch to ea:ad.
+ As we can't check (requires write access) on ro-volumes, we switch ea:auto
+ volumes that are options:ro to ea:none.
+*/
+static int do_check_ea_support(const struct vol *vol)
+{
+ int haseas;
+ char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
+ const char *eacontent = "yes";
+
+ if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
+ LOG(log_note, logtype_afpd, "read-only volume '%s', can't test for EA support, assuming yes", vol->v_localname);
+ return 1;
+ }
+
+ mktemp(eaname);
+
+ become_root();
+
+ if ((sys_setxattr(vol->v_path, eaname, eacontent, 4, 0)) == 0) {
+ sys_removexattr(vol->v_path, eaname);
+ haseas = 1;
+ } else {
+ LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes",
+ vol->v_localname);
+ haseas = 0;
+ }
+
+ unbecome_root();
+
+ return haseas;
+}
+
+static void check_ea_support(struct vol *vol)
+{
+ int haseas;
+ char eaname[] = {"org.netatalk.supports-eas.XXXXXX"};
+ const char *eacontent = "yes";
+
+ haseas = do_check_ea_support(vol);
+
+ if (vol->v_vfs_ea == AFPVOL_EA_AUTO) {
+ if ((vol->v_flags & AFPVOL_RO) == AFPVOL_RO) {
+ LOG(log_info, logtype_afpd, "read-only volume '%s', can't test for EA support, disabling EAs", vol->v_localname);
+ vol->v_vfs_ea = AFPVOL_EA_NONE;
+ return;
+ }
+
+ if (haseas) {
+ vol->v_vfs_ea = AFPVOL_EA_SYS;
+ } else {
+ LOG(log_warning, logtype_afpd, "volume \"%s\" does not support Extended Attributes, using ea:ad instead",
+ vol->v_localname);
+ vol->v_vfs_ea = AFPVOL_EA_AD;
+ }
+ }
+
+ if (vol->v_adouble == AD_VERSION_EA) {
+ if (!haseas)
+ vol->v_adouble = AD_VERSION2;
+ }
+}
+
+/*!
+ * Check whether a volume supports ACLs
+ *
+ * @param vol (r) volume
+ *
+ * @returns 0 if not, 1 if yes
+ */
+static int check_vol_acl_support(const struct vol *vol)
+{
+ int ret = 0;
+
+#ifdef HAVE_SOLARIS_ACLS
+ ace_t *aces = NULL;
+ ret = 1;
+ if (get_nfsv4_acl(vol->v_path, &aces) == -1)
+ ret = 0;
+#endif
+#ifdef HAVE_POSIX_ACLS
+ acl_t acl = NULL;
+ ret = 1;
+ if ((acl = acl_get_file(vol->v_path, ACL_TYPE_ACCESS)) == NULL)
+ ret = 0;
+#endif
+
+#ifdef HAVE_SOLARIS_ACLS
+ if (aces) free(aces);
+#endif
+#ifdef HAVE_POSIX_ACLS
+ if (acl) acl_free(acl);
+#endif /* HAVE_POSIX_ACLS */
+
+ LOG(log_debug, logtype_afpd, "Volume \"%s\" ACL support: %s",
+ vol->v_path, ret ? "yes" : "no");
+ return ret;
+}
+
+static void volfree(struct vol_option *options, const struct vol_option *save)
+{
+ int i;
+
+ if (save) {
+ for (i = 0; i < VOLOPT_MAX; i++) {
+ if (options[i].c_value && (options[i].c_value != save[i].c_value))
+ free(options[i].c_value);
+ }
+ } else {
+ for (i = 0; i < VOLOPT_MAX; i++) {
+ if (options[i].c_value)
+ free(options[i].c_value);
+ }
+ }
+}
+
+/*
+ * Handle variable substitutions. here's what we understand:
+ * $b -> basename of path
+ * $c -> client ip/appletalk address
+ * $d -> volume pathname on server
+ * $f -> full name (whatever's in the gecos field)
+ * $g -> group
+ * $h -> hostname
+ * $i -> client ip/appletalk address without port
+ * $s -> server name (hostname if it doesn't exist)
+ * $u -> username (guest is usually nobody)
+ * $v -> volume name or basename if null
+ * $$ -> $
+ *
+ * This get's called from readvolfile with
+ * path = NULL, volname = NULL for xlating the volumes path
+ * path = path, volname = NULL for xlating the volumes name
+ * ... and from volumes options parsing code when xlating eg dbpath with
+ * path = path, volname = volname
+ *
+ * Using this information we can reject xlation of any variable depeninding on a login
+ * context which is not given in the afp master, where we must evaluate this whole stuff
+ * too for the Zeroconf announcements.
+ */
+static char *volxlate(const AFPObj *obj,
+ char *dest,
+ size_t destlen,
+ char *src,
+ const struct passwd *pwd,
+ char *path,
+ char *volname)
+{
+ char *p, *r;
+ const char *q;
+ int len;
+ char *ret;
+ int xlatevolname = 0;
+
+ if (path && !volname)
+ /* cf above */
+ xlatevolname = 1;
+
+ if (!src) {
+ return NULL;
+ }
+ if (!dest) {
+ dest = calloc(destlen +1, 1);
+ }
+ ret = dest;
+ if (!ret) {
+ return NULL;
+ }
+ strlcpy(dest, src, destlen +1);
+ if ((p = strchr(src, '$')) == NULL) /* nothing to do */
+ return ret;
+
+ /* first part of the path. just forward to the next variable. */
+ len = MIN((size_t)(p - src), destlen);
+ if (len > 0) {
+ destlen -= len;
+ dest += len;
+ }
+
+ while (p && destlen > 0) {
+ /* now figure out what the variable is */
+ q = NULL;
+ if (IS_VAR(p, "$b")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ if (path) {
+ if ((q = strrchr(path, '/')) == NULL)
+ q = path;
+ else if (*(q + 1) != '\0')
+ q++;
+ }
+ } else if (IS_VAR(p, "$c")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ DSI *dsi = obj->dsi;
+ len = sprintf(dest, "%s:%u",
+ getip_string((struct sockaddr *)&dsi->client),
+ getip_port((struct sockaddr *)&dsi->client));
+ dest += len;
+ destlen -= len;
+ } else if (IS_VAR(p, "$d")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ q = path;
+ } else if (pwd && IS_VAR(p, "$f")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ if ((r = strchr(pwd->pw_gecos, ',')))
+ *r = '\0';
+ q = pwd->pw_gecos;
+ } else if (pwd && IS_VAR(p, "$g")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ struct group *grp = getgrgid(pwd->pw_gid);
+ if (grp)
+ q = grp->gr_name;
+ } else if (IS_VAR(p, "$h")) {
+ q = obj->options.hostname;
+ } else if (IS_VAR(p, "$i")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ DSI *dsi = obj->dsi;
+ q = getip_string((struct sockaddr *)&dsi->client);
+ } else if (IS_VAR(p, "$s")) {
+ q = obj->options.hostname;
+ } else if (obj->username && IS_VAR(p, "$u")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ char* sep = NULL;
+ if ( obj->options.ntseparator && (sep = strchr(obj->username, obj->options.ntseparator[0])) != NULL)
+ q = sep+1;
+ else
+ q = obj->username;
+ } else if (IS_VAR(p, "$v")) {
+ if (!obj->uid && xlatevolname)
+ return NULL;
+ if (volname) {
+ q = volname;
+ }
+ else if (path) {
+ if ((q = strrchr(path, '/')) == NULL)
+ q = path;
+ else if (*(q + 1) != '\0')
+ q++;
+ }
+ } else if (IS_VAR(p, "$$")) {
+ q = "$";
+ } else
+ q = p;
+
+ /* copy the stuff over. if we don't understand something that we
+ * should, just skip it over. */
+ if (q) {
+ len = MIN(p == q ? 2 : strlen(q), destlen);
+ strncpy(dest, q, len);
+ dest += len;
+ destlen -= len;
+ }
+
+ /* stuff up to next $ */
+ src = p + 2;
+ p = strchr(src, '$');
+ len = p ? MIN((size_t)(p - src), destlen) : destlen;
+ if (len > 0) {
+ strncpy(dest, src, len);
+ dest += len;
+ destlen -= len;
+ }
+ }
+ return ret;
+}
+
+/* -------------------- */
+static void setoption(struct vol_option *options, const struct vol_option *save, int opt, const char *val)
+{
+ if (options[opt].c_value && (!save || options[opt].c_value != save[opt].c_value))
+ free(options[opt].c_value);
+ options[opt].c_value = strdup(val);
+}
+
+/* Parse iniconfig and initalize volume options */
+static void volset(const dictionary *conf, const char *vol, struct vol_option *options, const struct vol_option *save)
+{
+ const char *val;
+ char *p, *q;
+
+ if (val = iniparser_getstring(conf, vol, "allow", NULL))
+ setoption(options, save, VOLOPT_ALLOW, val);
+
+ if (val = iniparser_getstring(conf, vol, "deny", NULL))
+ setoption(options, save, VOLOPT_DENY, val);
+
+ if (val = iniparser_getstring(conf, vol, "rwlist", NULL))
+ setoption(options, save, VOLOPT_RWLIST, val);
+
+ if (val = iniparser_getstring(conf, vol, "rolist", NULL))
+ setoption(options, save, VOLOPT_ROLIST, val);
+
+ if (val = iniparser_getstring(conf, vol, "volcharset", NULL))
+ setoption(options, save, VOLOPT_ENCODING, val);
+
+ if (val = iniparser_getstring(conf, vol, "maccharset", NULL))
+ setoption(options, save, VOLOPT_MACCHARSET, val);
+
+ if (val = iniparser_getstring(conf, vol, "veto", NULL))
+ setoption(options, save, VOLOPT_VETO, val);
+
+ if (val = iniparser_getstring(conf, vol, "cnidscheme", NULL))
+ setoption(options, save, VOLOPT_CNIDSCHEME, val);
+
+ if (val = iniparser_getstring(conf, vol, "dbpath", NULL))
+ setoption(options, save, VOLOPT_DBPATH, val);
+
+ if (val = iniparser_getstring(conf, vol, "password", NULL))
+ setoption(options, save, VOLOPT_PASSWORD, val);
+
+ if (val = iniparser_getstring(conf, vol, "root_preexec", NULL))
+ setoption(options, save, VOLOPT_ROOTPREEXEC, val);
+
+ if (val = iniparser_getstring(conf, vol, "preexec", NULL))
+ setoption(options, save, VOLOPT_PREEXEC, val);
+
+ if (val = iniparser_getstring(conf, vol, "root_postexec", NULL))
+ setoption(options, save, VOLOPT_ROOTPOSTEXEC, val);
+
+ if (val = iniparser_getstring(conf, vol, "postexec", NULL))
+ setoption(options, save, VOLOPT_POSTEXEC, val);
+
+ if (val = iniparser_getstring(conf, vol, "allowed_hosts", NULL))
+ setoption(options, save, VOLOPT_ALLOWED_HOSTS, val);
+
+ if (val = iniparser_getstring(conf, vol, "denied_hosts", NULL))
+ setoption(options, save, VOLOPT_DENIED_HOSTS, val);
+
+ if (val = iniparser_getstring(conf, vol, "umask", NULL))
+ options[VOLOPT_UMASK].i_value = (int)strtol(val, NULL, 8);
+
+ if (val = iniparser_getstring(conf, vol, "dperm", NULL))
+ options[VOLOPT_DPERM].i_value = (int)strtol(val, NULL, 8);
+
+ if (val = iniparser_getstring(conf, vol, "fperm", NULL))
+ options[VOLOPT_FPERM].i_value = (int)strtol(val, NULL, 8);
+
+ if (val = iniparser_getstring(conf, vol, "perm", NULL))
+ options[VOLOPT_DFLTPERM].i_value = (int)strtol(val, NULL, 8);
+
+ if (val = iniparser_getstring(conf, vol, "volsizelimit", NULL))
+ options[VOLOPT_LIMITSIZE].i_value = (uint32_t)strtoul(val, NULL, 10);
+
+ if (val = iniparser_getstring(conf, vol, "casefold", NULL)) {
+ if (strcasecmp(val, "tolower") == 0)
+ options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMLOWER;
+ else if (strcasecmp(val, "toupper") == 0)
+ options[VOLOPT_CASEFOLD].i_value = AFPVOL_UMUPPER;
+ else if (strcasecmp(val, "xlatelower") == 0)
+ options[VOLOPT_CASEFOLD].i_value = AFPVOL_UUPPERMLOWER;
+ else if (strcasecmp(val, "xlateupper") == 0)
+ options[VOLOPT_CASEFOLD].i_value = AFPVOL_ULOWERMUPPER;
+ }
+
+ if (val = iniparser_getstring(conf, vol, "adouble", NULL)) {
+ if (strcasecmp(val, "v2") == 0)
+ options[VOLOPT_ADOUBLE].i_value = AD_VERSION2;
+ else if (strcasecmp(val, "ea") == 0)
+ options[VOLOPT_ADOUBLE].i_value = AD_VERSION_EA;
+ }
+
+ if (val = iniparser_getstring(conf, vol, "ea", NULL)) {
+ if (strcasecmp(val, "ad") == 0)
+ options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AD;
+ else if (strcasecmp(val, "sys") == 0)
+ options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_SYS;
+ else if (strcasecmp(val, "none") == 0)
+ options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_NONE;
+ }
+
+ if (p = iniparser_getstrdup(conf, vol, "cnidserver", NULL)) {
+ if (q = strrchr(val, ':')) {
+ *q = 0;
+ setoption(options, save, VOLOPT_CNIDPORT, q + 1);
+ }
+ setoption(options, save, VOLOPT_CNIDSERVER, p);
+ LOG(log_debug, logtype_afpd, "CNID Server for volume '%s': %s:%s",
+ vol, p, q ? q + 1 : "4700");
+ free(p);
+ }
+
+ if (q = iniparser_getstrdup(conf, vol, "options", NULL)) {
+ if (p = strtok(q, ", ")) {
+ while (p) {
+ if (strcasecmp(p, "ro") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
+ else if (strcasecmp(p, "nohex") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NOHEX;
+ else if (strcasecmp(p, "nousedots") == 0)
+ options[VOLOPT_FLAGS].i_value &= ~AFPVOL_USEDOTS;
+ else if (strcasecmp(p, "invisibledots") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS;
+ else if (strcasecmp(p, "nostat") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NOSTAT;
+ else if (strcasecmp(p, "preexec_close") == 0)
+ options[VOLOPT_PREEXEC].i_value = 1;
+ else if (strcasecmp(p, "root_preexec_close") == 0)
+ options[VOLOPT_ROOTPREEXEC].i_value = 1;
+ else if (strcasecmp(p, "noupriv") == 0)
+ options[VOLOPT_FLAGS].i_value &= ~AFPVOL_UNIX_PRIV;
+ else if (strcasecmp(p, "nodev") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NODEV;
+ else if (strcasecmp(p, "caseinsensitive") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_CASEINSEN;
+ else if (strcasecmp(p, "illegalseq") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_EILSEQ;
+ else if (strcasecmp(p, "tm") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_TM;
+ else if (strcasecmp(p, "searchdb") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_SEARCHDB;
+ else if (strcasecmp(p, "nonetids") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NONETIDS;
+ else if (strcasecmp(p, "noacls") == 0)
+ options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
+ else if (strcasecmp(p, "nov2toeaconv") == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_NOV2TOEACONV;
+ p = strtok(NULL, ", ");
+ }
+ }
+ free(q);
+ }
+}
+
+/* ------------------------------- */
+static int creatvol(const AFPObj *obj, const struct passwd *pwd,
+ char *path, char *name,
+ struct vol_option *options)
+{
+ struct vol *volume;
+ int suffixlen, vlen, tmpvlen, u8mvlen, macvlen;
+ int hide = 0;
+ char tmpname[AFPVOL_U8MNAMELEN+1];
+ ucs2_t u8mtmpname[(AFPVOL_U8MNAMELEN+1)*2], mactmpname[(AFPVOL_MACNAMELEN+1)*2];
+ char suffix[6]; /* max is #FFFF */
+ uint16_t flags;
+
+ LOG(log_debug, logtype_afpd, "createvol: Volume '%s'", name);
+
+ if ( name == NULL || *name == '\0' ) {
+ if ((name = strrchr( path, '/' )) == NULL) {
+ return -1; /* Obviously not a fully qualified path */
+ }
+
+ /* if you wish to share /, you need to specify a name. */
+ if (*++name == '\0')
+ return -1;
+ }
+
+ /* suffix for mangling use (lastvid + 1) */
+ /* because v_vid has not been decided yet. */
+ suffixlen = sprintf(suffix, "#%X", lastvid + 1 );
+
+ vlen = strlen( name );
+
+ /* Unicode Volume Name */
+ /* Firstly convert name from unixcharset to UTF8-MAC */
+ flags = CONV_IGNORE;
+ tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
+ if (tmpvlen <= 0) {
+ strcpy(tmpname, "???");
+ tmpvlen = 3;
+ }
+
+ /* Do we have to mangle ? */
+ if ( (flags & CONV_REQMANGLE) || (tmpvlen > obj->options.volnamelen)) {
+ if (tmpvlen + suffixlen > obj->options.volnamelen) {
+ flags = CONV_FORCE;
+ tmpvlen = convert_charset(obj->options.unixcharset, CH_UTF8_MAC, 0, name, vlen, tmpname, obj->options.volnamelen - suffixlen, &flags);
+ tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
+ }
+ strcat(tmpname, suffix);
+ tmpvlen = strlen(tmpname);
+ }
+
+ /* Secondly convert name from UTF8-MAC to UCS2 */
+ if ( 0 >= ( u8mvlen = convert_string(CH_UTF8_MAC, CH_UCS2, tmpname, tmpvlen, u8mtmpname, AFPVOL_U8MNAMELEN*2)) )
+ return -1;
+
+ LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> UTF8-MAC Name: '%s'", name, tmpname);
+
+ /* Maccharset Volume Name */
+ /* Firsty convert name from unixcharset to maccharset */
+ flags = CONV_IGNORE;
+ tmpvlen = convert_charset(obj->options.unixcharset, obj->options.maccharset, 0, name, vlen, tmpname, AFPVOL_U8MNAMELEN, &flags);
+ if (tmpvlen <= 0) {
+ strcpy(tmpname, "???");
+ tmpvlen = 3;
+ }
+
+ /* Do we have to mangle ? */
+ if ( (flags & CONV_REQMANGLE) || (tmpvlen > AFPVOL_MACNAMELEN)) {
+ if (tmpvlen + suffixlen > AFPVOL_MACNAMELEN) {
+ flags = CONV_FORCE;
+ tmpvlen = convert_charset(obj->options.unixcharset,
+ obj->options.maccharset,
+ 0,
+ name,
+ vlen,
+ tmpname,
+ AFPVOL_MACNAMELEN - suffixlen,
+ &flags);
+ tmpname[tmpvlen >= 0 ? tmpvlen : 0] = 0;
+ }
+ strcat(tmpname, suffix);
+ tmpvlen = strlen(tmpname);
+ }
+
+ /* Secondly convert name from maccharset to UCS2 */
+ if ( 0 >= ( macvlen = convert_string(obj->options.maccharset,
+ CH_UCS2,
+ tmpname,
+ tmpvlen,
+ mactmpname,
+ AFPVOL_U8MNAMELEN*2)) )
+ return -1;
+
+ LOG(log_maxdebug, logtype_afpd, "createvol: Volume '%s' -> Longname: '%s'", name, tmpname);
+
+ /* check duplicate */
+ for ( volume = Volumes; volume; volume = volume->v_next ) {
+ if ((utf8_encoding() && (strcasecmp_w(volume->v_u8mname, u8mtmpname) == 0))
+ ||
+ (!utf8_encoding() && (strcasecmp_w(volume->v_macname, mactmpname) == 0))) {
+ LOG (log_error, logtype_afpd,
+ "Duplicate volume name, check AppleVolumes files: previous: \"%s\", new: \"%s\"",
+ volume->v_localname, name);
+ if (volume->v_deleted) {
+ volume->v_new = hide = 1;
+ }
+ else {
+ return -1; /* Won't be able to access it, anyway... */
+ }
+ }
+ }
+
+ if (!( volume = (struct vol *)calloc(1, sizeof( struct vol ))) ) {
+ LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
+ return -1;
+ }
+ if ( NULL == ( volume->v_localname = strdup(name))) {
+ LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
+ free(volume);
+ return -1;
+ }
+
+ if ( NULL == ( volume->v_u8mname = strdup_w(u8mtmpname))) {
+ LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
+ volume_free(volume);
+ free(volume);
+ return -1;
+ }
+ if ( NULL == ( volume->v_macname = strdup_w(mactmpname))) {
+ LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
+ volume_free(volume);
+ free(volume);
+ return -1;
+ }
+ if (!( volume->v_path = (char *)malloc( strlen( path ) + 1 )) ) {
+ LOG(log_error, logtype_afpd, "creatvol: malloc: %s", strerror(errno) );
+ volume_free(volume);
+ free(volume);
+ return -1;
+ }
+
+ volume->v_name = utf8_encoding()?volume->v_u8mname:volume->v_macname;
+ volume->v_hide = hide;
+ strcpy( volume->v_path, path );
+
+#ifdef __svr4__
+ volume->v_qfd = -1;
+#endif /* __svr4__ */
+ /* os X start at 1 and use network order ie. 1 2 3 */
+ volume->v_vid = ++lastvid;
+ volume->v_vid = htons(volume->v_vid);
+#ifdef HAVE_ACLS
+ if (!check_vol_acl_support(volume)) {
+ LOG(log_debug, logtype_afpd, "creatvol(\"%s\"): disabling ACL support", volume->v_path);
+ options[VOLOPT_FLAGS].i_value &= ~AFPVOL_ACLS;
+ }
+#endif
+
+ /* handle options */
+ if (options) {
+ volume->v_casefold = options[VOLOPT_CASEFOLD].i_value;
+ volume->v_flags |= options[VOLOPT_FLAGS].i_value;
+
+ if (options[VOLOPT_EA_VFS].i_value)
+ volume->v_vfs_ea = options[VOLOPT_EA_VFS].i_value;
+
+ volume->v_ad_options = 0;
+ if ((volume->v_flags & AFPVOL_NODEV))
+ volume->v_ad_options |= ADVOL_NODEV;
+ if ((volume->v_flags & AFPVOL_UNIX_PRIV))
+ volume->v_ad_options |= ADVOL_UNIXPRIV;
+ if ((volume->v_flags & AFPVOL_INV_DOTS))
+ volume->v_ad_options |= ADVOL_INVDOTS;
+
+ if (options[VOLOPT_PASSWORD].c_value)
+ volume->v_password = strdup(options[VOLOPT_PASSWORD].c_value);
+
+ if (options[VOLOPT_VETO].c_value)
+ volume->v_veto = strdup(options[VOLOPT_VETO].c_value);
+
+ if (options[VOLOPT_ENCODING].c_value)
+ volume->v_volcodepage = strdup(options[VOLOPT_ENCODING].c_value);
+
+ if (options[VOLOPT_MACCHARSET].c_value)
+ volume->v_maccodepage = strdup(options[VOLOPT_MACCHARSET].c_value);
+
+ if (options[VOLOPT_DBPATH].c_value)
+ volume->v_dbpath = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_DBPATH].c_value, pwd, path, name);
+
+ if (options[VOLOPT_CNIDSCHEME].c_value)
+ volume->v_cnidscheme = strdup(options[VOLOPT_CNIDSCHEME].c_value);
+
+ if (options[VOLOPT_CNIDSERVER].c_value)
+ volume->v_cnidserver = strdup(options[VOLOPT_CNIDSERVER].c_value);
+
+ if (options[VOLOPT_CNIDPORT].c_value)
+ volume->v_cnidport = strdup(options[VOLOPT_CNIDPORT].c_value);
+
+ if (options[VOLOPT_UMASK].i_value)
+ volume->v_umask = (mode_t)options[VOLOPT_UMASK].i_value;
+
+ if (options[VOLOPT_DPERM].i_value)
+ volume->v_dperm = (mode_t)options[VOLOPT_DPERM].i_value;
+
+ if (options[VOLOPT_FPERM].i_value)
+ volume->v_fperm = (mode_t)options[VOLOPT_FPERM].i_value;
+
+ if (options[VOLOPT_DFLTPERM].i_value)
+ volume->v_perm = (mode_t)options[VOLOPT_DFLTPERM].i_value;
+
+ if (options[VOLOPT_ADOUBLE].i_value)
+ volume->v_adouble = options[VOLOPT_ADOUBLE].i_value;
+ else
+ volume->v_adouble = AD_VERSION;
+
+ if (options[VOLOPT_LIMITSIZE].i_value)
+ volume->v_limitsize = options[VOLOPT_LIMITSIZE].i_value;
+
+ /* Mac to Unix conversion flags*/
+ volume->v_mtou_flags = 0;
+ if (!(volume->v_flags & AFPVOL_NOHEX))
+ volume->v_mtou_flags |= CONV_ESCAPEHEX;
+ if (!(volume->v_flags & AFPVOL_USEDOTS))
+ volume->v_mtou_flags |= CONV_ESCAPEDOTS;
+ if ((volume->v_flags & AFPVOL_EILSEQ))
+ volume->v_mtou_flags |= CONV__EILSEQ;
+
+ if ((volume->v_casefold & AFPVOL_MTOUUPPER))
+ volume->v_mtou_flags |= CONV_TOUPPER;
+ else if ((volume->v_casefold & AFPVOL_MTOULOWER))
+ volume->v_mtou_flags |= CONV_TOLOWER;
+
+ /* Unix to Mac conversion flags*/
+ volume->v_utom_flags = CONV_IGNORE | CONV_UNESCAPEHEX;
+ if ((volume->v_casefold & AFPVOL_UTOMUPPER))
+ volume->v_utom_flags |= CONV_TOUPPER;
+ else if ((volume->v_casefold & AFPVOL_UTOMLOWER))
+ volume->v_utom_flags |= CONV_TOLOWER;
+
+ if ((volume->v_flags & AFPVOL_EILSEQ))
+ volume->v_utom_flags |= CONV__EILSEQ;
+
+ if (options[VOLOPT_PREEXEC].c_value)
+ volume->v_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_PREEXEC].c_value, pwd, path, name);
+ volume->v_preexec_close = options[VOLOPT_PREEXEC].i_value;
+
+ if (options[VOLOPT_POSTEXEC].c_value)
+ volume->v_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_POSTEXEC].c_value, pwd, path, name);
+
+ if (options[VOLOPT_ROOTPREEXEC].c_value)
+ volume->v_root_preexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPREEXEC].c_value, pwd, path, name);
+ volume->v_root_preexec_close = options[VOLOPT_ROOTPREEXEC].i_value;
+
+ if (options[VOLOPT_ROOTPOSTEXEC].c_value)
+ volume->v_root_postexec = volxlate(obj, NULL, MAXPATHLEN, options[VOLOPT_ROOTPOSTEXEC].c_value, pwd, path, name);
+ }
+ volume->v_dperm |= volume->v_perm;
+ volume->v_fperm |= volume->v_perm;
+
+ /* Check EA support on volume */
+ if (volume->v_vfs_ea == AFPVOL_EA_AUTO || volume->v_adouble == AD_VERSION_EA)
+ check_ea_support(volume);
+ initvol_vfs(volume);
+
+ /* get/store uuid from file in afpd master*/
+ if ((parent_or_child == 0) && (volume->v_flags & AFPVOL_TM)) {
+ char *uuid = get_vol_uuid(obj, volume->v_localname);
+ if (!uuid) {
+ LOG(log_error, logtype_afpd, "Volume '%s': couldn't get UUID",
+ volume->v_localname);
+ } else {
+ volume->v_uuid = uuid;
+ LOG(log_debug, logtype_afpd, "Volume '%s': UUID '%s'",
+ volume->v_localname, volume->v_uuid);
+ }
+ }
+
+ volume->v_next = Volumes;
+ Volumes = volume;
+ return 0;
+}
+
+/* check access list. this function wants something of the following
+ * form:
+ * @group,name,name2,@group2,name3
+ *
+ * a NULL argument allows everybody to have access.
+ * we return three things:
+ * -1: no list
+ * 0: list exists, but name isn't in it
+ * 1: in list
+ */
+
+#ifndef NO_REAL_USER_NAME
+/* authentication is case insensitive
+ * FIXME should we do the same with group name?
+ */
+#define access_strcmp strcasecmp
+
+#else
+#define access_strcmp strcmp
+
+#endif
+
+static int accessvol(const AFPObj *obj, const char *args, const char *name)
+{
+ char buf[MAXPATHLEN + 1], *p;
+ struct group *gr;
+
+ if (!args)
+ return -1;
+
+ strlcpy(buf, args, sizeof(buf));
+ if ((p = strtok(buf, ",")) == NULL) /* nothing, return okay */
+ return -1;
+
+ while (p) {
+ if (*p == '@') { /* it's a group */
+ if ((gr = getgrnam(p + 1)) && gmem(gr->gr_gid, obj->ngroups, obj->groups))
+ return 1;
+ } else if (access_strcmp(p, name) == 0) /* it's a user name */
+ return 1;
+ p = strtok(NULL, ",");
+ }
+
+ return 0;
+}
+
+static int hostaccessvol(const AFPObj *obj, int type, const char *volname, const char *args)
+{
+ int mask_int;
+ char buf[MAXPATHLEN + 1], *p, *b;
+ struct sockaddr_storage client;
+ const DSI *dsi = obj->dsi;
+
+ if (!args)
+ return -1;
+
+ strlcpy(buf, args, sizeof(buf));
+ if ((p = strtok_r(buf, ",", &b)) == NULL) /* nothing, return okay */
+ return -1;
+
+ while (p) {
+ int ret;
+ char *ipaddr, *mask_char;
+ struct addrinfo hints, *ai;
+
+ ipaddr = strtok(p, "/");
+ mask_char = strtok(NULL,"/");
+
+ /* Get address from string with getaddrinfo */
+ memset(&hints, 0, sizeof hints);
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ if ((ret = getaddrinfo(ipaddr, NULL, &hints, &ai)) != 0) {
+ LOG(log_error, logtype_afpd, "hostaccessvol: getaddrinfo: %s\n", gai_strerror(ret));
+ continue;
+ }
+
+ /* netmask */
+ if (mask_char != NULL)
+ mask_int = atoi(mask_char); /* apply_ip_mask does range checking on it */
+ else {
+ if (ai->ai_family == AF_INET) /* IPv4 */
+ mask_int = 32;
+ else /* IPv6 */
+ mask_int = 128;
+ }
+
+ /* Apply mask to addresses */
+ client = dsi->client;
+ apply_ip_mask((struct sockaddr *)&client, mask_int);
+ apply_ip_mask(ai->ai_addr, mask_int);
+
+ if (compare_ip((struct sockaddr *)&client, ai->ai_addr) == 0) {
+ if (type == VOLOPT_DENIED_HOSTS)
+ LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s' by denied list",
+ getip_string((struct sockaddr *)&client), volname);
+ freeaddrinfo(ai);
+ return 1;
+ }
+
+ /* next address */
+ freeaddrinfo(ai);
+ p = strtok_r(NULL, ",", &b);
+ }
+
+ if (type == VOLOPT_ALLOWED_HOSTS)
+ LOG(log_info, logtype_afpd, "AFP access denied for client IP '%s' to volume '%s', not in allowed list",
+ getip_string((struct sockaddr *)&dsi->client), volname);
+ return 0;
+}
+
+/* ----------------------
+ */
+static int volfile_changed(struct afp_options *p)
+{
+ struct stat st;
+
+ if (!stat(p->configfile, &st) && st.st_mtime > p->volfile.mtime) {
+ p->volfile.mtime = st.st_mtime;
+ return 1;
+ }
+ return 0;
+}
+
+static int vol_section(const char *sec)
+{
+ if (STRCMP(sec, ==, INISEC_GLOBAL))
+ return 0;
+ if (STRCMP(sec, ==, INISEC_AFP))
+ return 0;
+ if (STRCMP(sec, ==, INISEC_CNID))
+ return 0;
+ return 1;
+}
+
+/* ----------------------
+ * Read volumes from iniconfig and add the volumes contained within to
+ * the global volume list. This gets called from the forked afpd childs.
+ * The master now reads this too for Zeroconf announcements.
+ */
+static int readvolfile(const AFPObj *obj, const struct passwd *pwent)
+{
+ char path[MAXPATHLEN + 1];
+ char volname[AFPVOL_U8MNAMELEN + 1];
+ char tmp[MAXPATHLEN + 1];
+ char *u;
+ const char *p;
+ int fd;
+ int i;
+ struct passwd *pw;
+ struct vol_option save_options[VOLOPT_NUM];
+ struct vol_option default_options[VOLOPT_NUM];
+ struct vol_option options[VOLOPT_NUM];
+
+ LOG(log_debug, logtype_afpd, "readvolfile: BEGIN");
+
+ memset(default_options, 0, sizeof(default_options));
+
+ /* Enable some default options for all volumes */
+ default_options[VOLOPT_FLAGS].i_value |= AFPVOL_USEDOTS | AFPVOL_UNIX_PRIV;
+#ifdef HAVE_ACLS
+ default_options[VOLOPT_FLAGS].i_value |= AFPVOL_ACLS;
+#endif
+ default_options[VOLOPT_EA_VFS].i_value = AFPVOL_EA_AUTO;
+ default_options[VOLOPT_UMASK].i_value = obj->options.umask;
+ memcpy(save_options, default_options, sizeof(options));
+
+ int secnum = iniparser_getnsec(obj->iniconfig);
+ LOG(log_debug, logtype_afpd, "readvolfile: sections: %d", secnum);
+ const char *secname;
+
+ for (i = 0; i < secnum; i++) {
+ secname = iniparser_getsecname(obj->iniconfig, i);
+ if (!vol_section(secname))
+ continue;
+
+ strlcpy(volname, secname, AFPVOL_U8MNAMELEN);
+ LOG(log_debug, logtype_afpd, "readvolfile: volume: %s", volname);
+
+ if ((p = iniparser_getstrdup(obj->iniconfig, secname, "path", NULL)) == NULL)
+ continue;
+ strlcpy(path, p, MAXPATHLEN);
+ strcpy(tmp, path);
+
+ if (volxlate(obj, path, sizeof(path) - 1, tmp, pwent, NULL, NULL) == NULL)
+ continue;
+
+ memcpy(options, default_options, sizeof(options));
+ volset(obj->iniconfig, secname, options, default_options);
+
+ /* check allow/deny lists (if not afpd master loading volumes for Zeroconf reg.):
+ allow -> either no list (-1), or in list (1)
+ deny -> either no list (-1), or not in list (0) */
+
+ if (pwent) {
+ if (accessvol(obj, options[VOLOPT_DENY].c_value, pwent->pw_name) == 1)
+ continue;
+ if (accessvol(obj, options[VOLOPT_ALLOW].c_value, pwent->pw_name) == 0)
+ continue;
+ if (hostaccessvol(obj, VOLOPT_DENIED_HOSTS, volname, options[VOLOPT_DENIED_HOSTS].c_value) == 1)
+ continue;
+ if (hostaccessvol(obj, VOLOPT_ALLOWED_HOSTS, volname, options[VOLOPT_ALLOWED_HOSTS].c_value) == 0)
+ continue;
+ }
+
+ /* handle read-only behaviour. semantics:
+ * 1) neither the rolist nor the rwlist exist -> rw
+ * 2) rolist exists -> ro if user is in it.
+ * 3) rwlist exists -> ro unless user is in it. */
+ if (pwent && !(options[VOLOPT_FLAGS].i_value & AFPVOL_RO)) {
+ if (accessvol(obj, options[VOLOPT_ROLIST].c_value, pwent->pw_name) == 1
+ || accessvol(obj, options[VOLOPT_RWLIST].c_value, pwent->pw_name) == 0)
+ options[VOLOPT_FLAGS].i_value |= AFPVOL_RO;
+ }
+
+ /* do variable substitution for volname */
+ if (volxlate(obj, tmp, sizeof(tmp) - 1, volname, pwent, path, NULL) == NULL) {
+ volfree(options, default_options);
+ continue;
+ }
+
+ creatvol(obj, pwent, path, tmp, options);
+ volfree(options, default_options);
+ }
+ volfree(save_options, NULL);
+ return( 0 );
+}
+
+/* ------------------------------- */
+static void free_volumes(void)
+{
+ struct vol *vol;
+ struct vol *nvol, *ovol;
+
+ for ( vol = Volumes; vol; vol = vol->v_next ) {
+ if (( vol->v_flags & AFPVOL_OPEN ) ) {
+ vol->v_deleted = 1;
+ continue;
+ }
+ volume_free(vol);
+ }
+
+ for ( vol = Volumes, ovol = NULL; vol; vol = nvol) {
+ nvol = vol->v_next;
+
+ if (vol->v_localname == NULL) {
+ if (Volumes == vol) {
+ Volumes = nvol;
+ ovol = Volumes;
+ }
+ else {
+ ovol->v_next = nvol;
+ }
+ free(vol);
+ }
+ else {
+ ovol = vol;
+ }
+ }
+}
+
+/**************************************************************
+ * API functions
+ **************************************************************/
+
+/*!
+ * Remove a volume from the linked list of volumes
+ */
+void volume_unlink(struct vol *volume)
+{
+ struct vol *vol, *ovol, *nvol;
+
+ if (volume == Volumes) {
+ Volumes = Volumes->v_next;
+ return;
+ }
+ for ( vol = Volumes->v_next, ovol = Volumes; vol; vol = nvol) {
+ nvol = vol->v_next;
+
+ if (vol == volume) {
+ ovol->v_next = nvol;
+ break;
+ }
+ else {
+ ovol = vol;
+ }
+ }
+}
+
+/*!
+ * Free all resources allocated in a struct vol
+ */
+void volume_free(struct vol *vol)
+{
+ free(vol->v_localname);
+ vol->v_localname = NULL;
+ free(vol->v_u8mname);
+ vol->v_u8mname = NULL;
+ free(vol->v_macname);
+ vol->v_macname = NULL;
+ free(vol->v_path);
+ free(vol->v_password);
+ free(vol->v_veto);
+ free(vol->v_volcodepage);
+ free(vol->v_maccodepage);
+ free(vol->v_cnidscheme);
+ free(vol->v_dbpath);
+ free(vol->v_gvs);
+ if (vol->v_uuid)
+ free(vol->v_uuid);
+}
+
+/*!
+ * Initialize volumes and load ini configfile
+ *
+ * Depending on the value of obj->uid either access checks are done (!=0) or skipped (=0)
+ *
+ * @param obj (r) handle
+ * @param delvol_fn (r) callback called for deleted volumes
+ */
+int load_volumes(AFPObj *obj, void (*delvol_fn)(const struct vol *))
+{
+ EC_INIT;
+ int fd = -1;
+ struct passwd *pwent = NULL;
+ struct stat st;
+ int retries = 0;
+ struct vol *vol;
+
+ LOG(log_debug, logtype_afpd, "load_volumes: BEGIN");
+
+ if (Volumes) {
+ if (!volfile_changed(&obj->options))
+ goto EC_CLEANUP;
+ free_volumes();
+ }
+
+ /* try putting a read lock on the volume file twice, sleep 1 second if first attempt fails */
+
+ fd = open(obj->options.configfile, O_RDONLY);
+
+ while (retries < 2) {
+ if ((read_lock(fd, 0, SEEK_SET, 0)) != 0) {
+ retries++;
+ if (!retries) {
+ LOG(log_error, logtype_afpd, "readvolfile: can't lock configfile \"%s\"",
+ obj->options.configfile);
+ EC_FAIL;
+ }
+ sleep(1);
+ continue;
+ }
+ break;
+ }
+
+ if (obj->uid)
+ pwent = getpwuid(obj->uid);
+
+ if (obj->iniconfig)
+ iniparser_freedict(obj->iniconfig);
+ LOG(log_debug, logtype_afpd, "load_volumes: reloading: %s", obj->options.configfile);
+ obj->iniconfig = iniparser_load(obj->options.configfile);
+
+ EC_ZERO_LOG( readvolfile(obj, pwent) );
+
+ for ( vol = Volumes; vol; vol = vol->v_next ) {
+ if (vol->v_deleted && !vol->v_new ) {
+ delvol_fn(vol);
+ vol = Volumes;
+ }
+ }
+
+EC_CLEANUP:
+ if (fd != -1)
+ (void)close(fd);
+ EC_EXIT;
+}
+
+void unload_volumes(void)
+{
+ LOG(log_debug, logtype_afpd, "unload_volumes");
+ free_volumes();
+}
+
+const struct vol *getvolumes(void)
+{
+ return Volumes;
+}
+
+/* ------------------------- */
+struct vol *getvolbyvid(const uint16_t vid )
+{
+ struct vol *vol;
+
+ for ( vol = Volumes; vol; vol = vol->v_next ) {
+ if ( vid == vol->v_vid ) {
+ break;
+ }
+ }
+ if ( vol == NULL || ( vol->v_flags & AFPVOL_OPEN ) == 0 ) {
+ return( NULL );
+ }
+
+ return( vol );
+}
+
+#define MAXVAL 1024
+/*!
+ * Initialize an AFPObj and options from ini config file
+ */
+int afp_config_parse(AFPObj *AFPObj)
+{
+ EC_INIT;
+ dictionary *config;
+ struct afp_options *options = &AFPObj->options;
+ int i, c;
+ const char *p, *tmp;
+ char *q, *r;
+ char val[MAXVAL];
+
+ options->configfile = AFPObj->cmdlineconfigfile ? strdup(AFPObj->cmdlineconfigfile) : strdup(_PATH_CONFDIR "afp.conf");
+ options->sigconffile = strdup(_PATH_CONFDIR "afp_signature.conf");
+ options->uuidconf = strdup(_PATH_CONFDIR "afp_voluuid.conf");
+ options->flags = OPTION_ACL2MACCESS | OPTION_UUID | OPTION_SERVERNOTIF | AFPObj->cmdlineflags;
+
+ if ((config = iniparser_load(AFPObj->options.configfile)) == NULL)
+ return -1;
+ AFPObj->iniconfig = config;
+
+ /* [Global] */
+ options->logconfig = iniparser_getstrdup(config, INISEC_GLOBAL, "loglevel", "default:note");
+ options->logfile = iniparser_getstrdup(config, INISEC_GLOBAL, "logfile", NULL);
+
+ /* [AFP] "options" options wo values */
+ if (p = iniparser_getstrdup(config, INISEC_AFP, "options", NULL)) {
+ if (p = strtok(q, ", ")) {
+ while (p) {
+ if (strcasecmp(p, "nozeroconf"))
+ options->flags |= OPTION_NOZEROCONF;
+ if (strcasecmp(p, "icon"))
+ options->flags |= OPTION_CUSTOMICON;
+ if (strcasecmp(p, "noicon"))
+ options->flags &= ~OPTION_CUSTOMICON;
+ if (strcasecmp(p, "advertise_ssh"))
+ options->flags |= OPTION_ANNOUNCESSH;
+ if (strcasecmp(p, "noacl2maccess"))
+ options->flags &= ~OPTION_ACL2MACCESS;
+ if (strcasecmp(p, "keepsessions"))
+ options->flags |= OPTION_KEEPSESSIONS;
+ if (strcasecmp(p, "closevol"))
+ options->flags |= OPTION_CLOSEVOL;
+ if (strcasecmp(p, "client_polling"))
+ options->flags &= ~OPTION_SERVERNOTIF;
+ if (strcasecmp(p, "nosavepassword"))
+ options->passwdbits |= PASSWD_NOSAVE;
+ if (strcasecmp(p, "savepassword"))
+ options->passwdbits &= ~PASSWD_NOSAVE;
+ if (strcasecmp(p, "nosetpassword"))
+ options->passwdbits &= ~PASSWD_SET;
+ if (strcasecmp(p, "setpassword"))
+ options->passwdbits |= PASSWD_SET;
+ p = strtok(NULL, ", ");
+ }
+ }
+ }
+ /* figure out options w values */
+
+ options->loginmesg = iniparser_getstrdup(config, INISEC_AFP, "loginmesg", "");
+ options->guest = iniparser_getstrdup(config, INISEC_AFP, "guestname", "nobody");
+ options->passwdfile = iniparser_getstrdup(config, INISEC_AFP, "passwdfile", _PATH_AFPDPWFILE);
+ options->uampath = iniparser_getstrdup(config, INISEC_AFP, "uampath", _PATH_AFPDUAMPATH);
+ options->uamlist = iniparser_getstrdup(config, INISEC_AFP, "uamlist", "uams_dhx.so,uams_dhx2.so");
+ options->port = iniparser_getstrdup(config, INISEC_AFP, "port", "548");
+ options->signatureopt = iniparser_getstrdup(config, INISEC_AFP, "signature", "auto");
+ options->k5service = iniparser_getstrdup(config, INISEC_AFP, "k5service", NULL);
+ options->k5realm = iniparser_getstrdup(config, INISEC_AFP, "k5realm", NULL);
+ options->listen = iniparser_getstrdup(config, INISEC_AFP, "listen", NULL);
+ options->ntdomain = iniparser_getstrdup(config, INISEC_AFP, "ntdomain", NULL);
+ options->ntseparator = iniparser_getstrdup(config, INISEC_AFP, "ntseparator", NULL);
+ options->mimicmodel = iniparser_getstrdup(config, INISEC_AFP, "mimicmodel", NULL);
+ options->adminauthuser = iniparser_getstrdup(config, INISEC_AFP, "adminauthuser", NULL);
+ options->connections = iniparser_getint (config, INISEC_AFP, "maxcon", 200);
+ options->passwdminlen = iniparser_getint (config, INISEC_AFP, "passwdminlen", 0);
+ options->tickleval = iniparser_getint (config, INISEC_AFP, "tickleval", 30);
+ options->timeout = iniparser_getint (config, INISEC_AFP, "timeout", 4);
+ options->dsireadbuf = iniparser_getint (config, INISEC_AFP, "dsireadbuf", 12);
+ options->server_quantum = iniparser_getint (config, INISEC_AFP, "server_quantum", DSI_SERVQUANT_DEF);
+ options->volnamelen = iniparser_getint (config, INISEC_AFP, "volnamelen", 80);
+ options->dircachesize = iniparser_getint (config, INISEC_AFP, "dircachesize", DEFAULT_MAX_DIRCACHE_SIZE);
+ options->tcp_sndbuf = iniparser_getint (config, INISEC_AFP, "tcpsndbuf", 0);
+ options->tcp_rcvbuf = iniparser_getint (config, INISEC_AFP, "tcprcvbuf", 0);
+ options->fce_fmodwait = iniparser_getint (config, INISEC_AFP, "fceholdfmod", 60);
+ options->sleep = iniparser_getint (config, INISEC_AFP, "sleep", 10) * 60 * 2;
+ options->disconnected = iniparser_getint (config, INISEC_AFP, "disconnect", 24) * 60 * 2;
+
+ if ((p = iniparser_getstring(config, INISEC_AFP, "hostname", NULL))) {
+ EC_NULL_LOG( options->hostname = strdup(p) );
+ } else {
+ if (gethostname(val, sizeof(val)) < 0 ) {
+ perror( "gethostname" );
+ EC_FAIL;
+ }
+ if ((q = strchr(val, '.')))
+ *q = '\0';
+ options->hostname = strdup(val);
+ }
+
+ if ((p = iniparser_getstring(config, INISEC_AFP, "k5keytab", NULL))) {
+ EC_NULL_LOG( options->k5keytab = malloc(strlen(p) + 14) );
+ snprintf(options->k5keytab, strlen(p) + 14, "KRB5_KTNAME=%s", p);
+ putenv(options->k5keytab);
+ }
+
+#ifdef ADMIN_GRP
+ if ((p = iniparser_getstring(config, INISEC_AFP, "admingroup", NULL))) {
+ struct group *gr = getgrnam(p);
+ if (gr != NULL)
+ options->admingid = gr->gr_gid;
+ }
+#endif /* ADMIN_GRP */
+
+ q = iniparser_getstrdup(config, INISEC_AFP, "cnidserver", "localhost:4700");
+ r = strrchr(q, ':');
+ if (r)
+ *r = 0;
+ options->Cnid_srv = strdup(q);
+ if (r)
+ options->Cnid_port = strdup(r + 1);
+ else
+ options->Cnid_port = strdup("4700");
+ LOG(log_debug, logtype_afpd, "CNID Server: %s:%s", options->Cnid_srv, options->Cnid_port);
+ if (q)
+ free(q);
+
+ if ((q = iniparser_getstrdup(config, INISEC_AFP, "fqdn", NULL))) {
+ /* do a little checking for the domain name. */
+ r = strchr(q, ':');
+ if (r)
+ *r = '\0';
+ if (gethostbyname(q)) {
+ if (r)
+ *r = ':';
+ EC_NULL_LOG( options->fqdn = strdup(q) );
+ } else {
+ LOG(log_error, logtype_afpd, "error parsing -fqdn, gethostbyname failed for: %s", c);
+ }
+ free(q);
+ }
+
+ if (!(p = iniparser_getstring(config, INISEC_AFP, "unixcodepage", NULL))) {
+ options->unixcharset = CH_UNIX;
+ options->unixcodepage = strdup("LOCALE");
+ } else {
+ if ((options->unixcharset = add_charset(p)) == (charset_t)-1) {
+ options->unixcharset = CH_UNIX;
+ options->unixcodepage = strdup("LOCALE");
+ LOG(log_warning, logtype_afpd, "Setting Unix codepage to '%s' failed", p);
+ } else {
+ options->unixcodepage = strdup(p);
+ }
+ }
+
+ if (!(p = iniparser_getstring(config, INISEC_AFP, "maccodepage", NULL))) {
+ options->maccharset = CH_MAC;
+ options->maccodepage = strdup("MAC_ROMAN");
+ } else {
+ if ((options->maccharset = add_charset(p)) == (charset_t)-1) {
+ options->maccharset = CH_MAC;
+ options->maccodepage = strdup("MAC_ROMAN");
+ LOG(log_warning, logtype_afpd, "Setting Unix codepage to '%s' failed", p);
+ } else {
+ options->maccodepage = strdup(p);
+ }
+ }
+
+ /* Check for sane values */
+ if (options->tickleval <= 0)
+ options->tickleval = 30;
+ if (options->timeout <= 0)
+ options->timeout = 4;
+ if (options->sleep <= 4)
+ options->disconnected = options->sleep = 4;
+ if (options->dsireadbuf < 6)
+ options->dsireadbuf = 6;
+ if (options->volnamelen < 8)
+ options->volnamelen = 8; /* max mangled volname "???#FFFF" */
+ if (options->volnamelen > 255)
+ options->volnamelen = 255; /* AFP3 spec */
+
+EC_CLEANUP:
+ EC_EXIT;
+}
+
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