static sandbox_cfg_t*
sandbox_init_filter(void)
{
+ const or_options_t *options = get_options();
sandbox_cfg_t *cfg = sandbox_cfg_new();
+ int i;
sandbox_cfg_allow_openat_filename(&cfg,
- get_datadir_fname("cached-status"), 1);
+ get_datadir_fname("cached-status"));
sandbox_cfg_allow_open_filename_array(&cfg,
- get_datadir_fname("cached-certs"), 1,
- get_datadir_fname("cached-certs.tmp"), 1,
- get_datadir_fname("cached-consensus"), 1,
- get_datadir_fname("unverified-consensus"), 1,
- get_datadir_fname("unverified-consensus.tmp"), 1,
- get_datadir_fname("cached-microdesc-consensus"), 1,
- get_datadir_fname("cached-microdesc-consensus.tmp"), 1,
- get_datadir_fname("cached-microdescs"), 1,
- get_datadir_fname("cached-microdescs.tmp"), 1,
- get_datadir_fname("cached-microdescs.new"), 1,
- get_datadir_fname("cached-microdescs.new.tmp"), 1,
- get_datadir_fname("unverified-microdesc-consensus"), 1,
- get_datadir_fname("cached-descriptors"), 1,
- get_datadir_fname("cached-descriptors.new"), 1,
- get_datadir_fname("cached-descriptors.tmp"), 1,
- get_datadir_fname("cached-descriptors.new.tmp"), 1,
- get_datadir_fname("cached-descriptors.tmp.tmp"), 1,
- get_datadir_fname("cached-extrainfo"), 1,
- get_datadir_fname("state.tmp"), 1,
- get_datadir_fname("unparseable-desc.tmp"), 1,
- get_datadir_fname("unparseable-desc"), 1,
- "/dev/srandom", 0,
- "/dev/urandom", 0,
- "/dev/random", 0,
- "/proc/meminfo", 0,
+ get_datadir_fname("cached-certs"),
+ get_datadir_fname("cached-certs.tmp"),
+ get_datadir_fname("cached-consensus"),
+ get_datadir_fname("cached-consensus.tmp"),
+ get_datadir_fname("unverified-consensus"),
+ get_datadir_fname("unverified-consensus.tmp"),
+ get_datadir_fname("unverified-microdesc-consensus"),
+ get_datadir_fname("unverified-microdesc-consensus.tmp"),
+ get_datadir_fname("cached-microdesc-consensus"),
+ get_datadir_fname("cached-microdesc-consensus.tmp"),
+ get_datadir_fname("cached-microdescs"),
+ get_datadir_fname("cached-microdescs.tmp"),
+ get_datadir_fname("cached-microdescs.new"),
+ get_datadir_fname("cached-microdescs.new.tmp"),
+ get_datadir_fname("cached-descriptors"),
+ get_datadir_fname("cached-descriptors.new"),
+ get_datadir_fname("cached-descriptors.tmp"),
+ get_datadir_fname("cached-descriptors.new.tmp"),
+ get_datadir_fname("cached-descriptors.tmp.tmp"),
+ get_datadir_fname("cached-extrainfo"),
+ get_datadir_fname("cached-extrainfo.new"),
+ get_datadir_fname("cached-extrainfo.tmp"),
+ get_datadir_fname("cached-extrainfo.new.tmp"),
+ get_datadir_fname("cached-extrainfo.tmp.tmp"),
+ get_datadir_fname("state.tmp"),
+ get_datadir_fname("unparseable-desc.tmp"),
+ get_datadir_fname("unparseable-desc"),
+ get_datadir_fname("v3-status-votes"),
+ get_datadir_fname("v3-status-votes.tmp"),
+ tor_strdup("/dev/srandom"),
+ tor_strdup("/dev/urandom"),
+ tor_strdup("/dev/random"),
+ tor_strdup("/etc/hosts"),
++ tor_strdup("/proc/meminfo"),
NULL, 0
);
+ if (options->ServerDNSResolvConfFile)
+ sandbox_cfg_allow_open_filename(&cfg,
+ tor_strdup(options->ServerDNSResolvConfFile));
+ else
+ sandbox_cfg_allow_open_filename(&cfg, tor_strdup("/etc/resolv.conf"));
+
+ for (i = 0; i < 2; ++i) {
+ if (get_torrc_fname(i)) {
+ sandbox_cfg_allow_open_filename(&cfg, tor_strdup(get_torrc_fname(i)));
+ }
+ }
+
+#define RENAME_SUFFIX(name, suffix) \
+ sandbox_cfg_allow_rename(&cfg, \
+ get_datadir_fname(name suffix), \
+ get_datadir_fname(name))
+
+#define RENAME_SUFFIX2(prefix, name, suffix) \
+ sandbox_cfg_allow_rename(&cfg, \
+ get_datadir_fname2(prefix, name suffix), \
+ get_datadir_fname2(prefix, name))
+
+ RENAME_SUFFIX("cached-certs", ".tmp");
+ RENAME_SUFFIX("cached-consensus", ".tmp");
+ RENAME_SUFFIX("unverified-consensus", ".tmp");
+ RENAME_SUFFIX("unverified-microdesc-consensus", ".tmp");
+ RENAME_SUFFIX("cached-microdesc-consensus", ".tmp");
+ RENAME_SUFFIX("cached-microdescs", ".tmp");
+ RENAME_SUFFIX("cached-microdescs", ".new");
+ RENAME_SUFFIX("cached-microdescs.new", ".tmp");
+ RENAME_SUFFIX("cached-descriptors", ".tmp");
+ RENAME_SUFFIX("cached-descriptors", ".new");
+ RENAME_SUFFIX("cached-descriptors.new", ".tmp");
+ RENAME_SUFFIX("cached-extrainfo", ".tmp");
+ RENAME_SUFFIX("cached-extrainfo", ".new");
+ RENAME_SUFFIX("cached-extrainfo.new", ".tmp");
+ RENAME_SUFFIX("state", ".tmp");
+ RENAME_SUFFIX("unparseable-desc", ".tmp");
+ RENAME_SUFFIX("v3-status-votes", ".tmp");
sandbox_cfg_allow_stat_filename_array(&cfg,
- get_datadir_fname(NULL), 1,
- get_datadir_fname("lock"), 1,
- get_datadir_fname("state"), 1,
- get_datadir_fname("router-stability"), 1,
- get_datadir_fname("cached-extrainfo.new"), 1,
+ get_datadir_fname(NULL),
+ get_datadir_fname("lock"),
+ get_datadir_fname("state"),
+ get_datadir_fname("router-stability"),
+ get_datadir_fname("cached-extrainfo.new"),
NULL, 0
);