guint bus_descriptor;
gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
-const gchar *OS_LOCALTIME = "/etc/localtime"; /* current timezone file */
-const gchar *OS_TIMEZONE_PATH = "/usr/share/zoneinfo"; /* path to system timezone files */
+const gchar *OS_LOCALTIME = "/etc/localtime"; /* current timezone file */
+const gchar *OS_TIMEZONE_PATH = "/usr/share/zoneinfo"; /* path to system timezone files */
+
+struct timezone_checksum_pair {
+
+ gchar *path;
+ gchar *sum;
+ gboolean posix;
+ gboolean right;
+};
+
+static struct timezone_checksum_pair tz_table[5000];
/* --- begin method/property/dbus signal code --- */
our_get_timezone() {
GStatBuf *stat_zoneinfo;
- gchar *find_cmd, *readlink_path, *ret;
- GError *err = NULL;
+ gchar *find_cmd, *readlink_path, *ret, *argvp, *hash_to_match;
+ gint argcp;
+ GError *err;
+ struct timezone_checksum_pair tmp;
- find_cmd = (gchar *) g_malloc0(2048);
- stat_zoneinfo = (GStatBuf*) g_malloc0(8192);
+ find_cmd = (gchar *) g_malloc0(2048);
+ stat_zoneinfo = (GStatBuf *) g_malloc0(8192);
+ err = (GError *) g_malloc0(2048);
if(g_stat(OS_LOCALTIME, stat_zoneinfo)) {
} else if(g_file_test(OS_LOCALTIME, G_FILE_TEST_IS_SYMLINK)) {
readlink_path = g_file_read_link(OS_LOCALTIME, &err);
- ret = parse_timezone_path(readlink_path);
+
+ gchar *split[2] = { readlink_path, "" };
+ tmp = parse_timezone_path(split);
+
+ ret = tmp.path;
if(readlink_path)
g_free(readlink_path);
} else {
g_printf("%s is not a symlink! attempting to match checksums in %s...\n", OS_LOCALTIME, OS_TIMEZONE_PATH);
- g_sprintf(find_cmd, "find %s -type f", OS_TIMEZONE_PATH);
- ret = NULL;
+ hash_to_match = get_file_sha256(OS_LOCALTIME);
+
+ ret = lookup_hash(hash_to_match);
+
+ if(hash_to_match)
+ g_free(hash_to_match);
}
return ret;
g_signal_connect(timedated_interf, "handle-set-timezone", G_CALLBACK(on_handle_set_timezone), NULL);
g_signal_connect(timedated_interf, "handle-set-local-rtc", G_CALLBACK(on_handle_set_local_rtc), NULL);
g_signal_connect(timedated_interf, "handle-set-ntp", G_CALLBACK(on_handle_set_ntp), NULL);
+
/* set our properties before export */
timedate1_set_timezone(timedated_interf, our_get_timezone());
timedate1_set_local_rtc(timedated_interf, our_get_local_rtc());
set_signal_handlers();
+ if(!build_lookup_table())
+ return 1;
+
timedated_loop = g_main_loop_new(NULL, TRUE);
timedated_freeable = g_ptr_array_new();
return 0;
}
-static gchar *parse_timezone_path(gchar *full_path) {
+static struct timezone_checksum_pair parse_timezone_path(gchar **pair) {
- gchar *prefix_pattern;
+ gchar *prefix_pattern, *right_prefix_pattern, *posix_prefix_pattern, *lean_path;
GRegex *prefix, *posix, *right;
GError *err = NULL;
+ struct timezone_checksum_pair ret = { NULL, NULL, FALSE, FALSE };
- if(!full_path)
- return NULL;
+ if(!pair[0])
+ return ret;
prefix_pattern = (gchar *) g_malloc0(4096);
- g_sprintf(prefix_pattern, "^%s/$", OS_TIMEZONE_PATH);
+ right_prefix_pattern = (gchar *) g_malloc0(4096);
+ posix_prefix_pattern = (gchar *) g_malloc0(4096);
+
+ g_sprintf(prefix_pattern, "%s/", OS_TIMEZONE_PATH);
+ g_sprintf(posix_prefix_pattern, "%s/posix/", OS_TIMEZONE_PATH);
+ g_sprintf(right_prefix_pattern, "%s/right/", OS_TIMEZONE_PATH);
prefix = g_regex_new(prefix_pattern, 0, 0, &err);
- posix = g_regex_new("^posix/$", 0, 0, &err);
- right = g_regex_new("^right/$", 0, 0, &err);
+ posix = g_regex_new(posix_prefix_pattern, 0, 0, &err);
+ right = g_regex_new(right_prefix_pattern, 0, 0, &err);
+
+ if(g_regex_match_full(posix, pair[0], -1, 0, G_REGEX_MATCH_NOTEMPTY, NULL, NULL)) {
+
+ ret.posix = TRUE;
+ lean_path = g_regex_replace_literal(posix, pair[0], -1, 0, "", G_REGEX_MATCH_NOTEMPTY, NULL);
+
+ } else if(g_regex_match_full(right, pair[0], -1, 0, G_REGEX_MATCH_NOTEMPTY, NULL, NULL)) {
+
+ ret.right = TRUE;
+ lean_path = g_regex_replace_literal(right, pair[0], -1, 0, "", G_REGEX_MATCH_NOTEMPTY, NULL);
+
+ } else
+ lean_path = g_regex_replace_literal(prefix, pair[0], -1, 0, "", G_REGEX_MATCH_NOTEMPTY, NULL);
+
+ ret.path = lean_path;
+
+ ret.sum = g_malloc0(256);
+ g_strlcpy(ret.sum, pair[1], 66);
g_regex_unref(prefix);
g_regex_unref(right);
g_regex_unref(posix);
- return NULL; /* TODO temp */
+ return ret;
+}
+
+/* TODO need to deconstruct tz_table on exit */
+static gboolean build_lookup_table() {
+
+ gchar *find_cmd, **map_pairs, *find_output, *path_buf, *sum_buf, **entry_buf;
+ GError *err;
+ gboolean ret;
+ gint i;
+
+ i = 0;
+ err = NULL;
+ ret = TRUE;
+
+ find_cmd = (gchar *) g_malloc0(4096);
+ find_output = (gchar *) g_malloc0(1000000);
+
+ g_sprintf(find_cmd, "/bin/sh -c \"find %s -type f -exec cksum -a sha256 {} \\; | sed -E 's/SHA256 \\(//g' | sed -E 's/\\) = /=/g'\"", OS_TIMEZONE_PATH);
+
+ if(!g_spawn_command_line_sync(find_cmd, &find_output, NULL, NULL, &err)) {
+
+ g_printf("error running `%s`\n", find_cmd);
+ ret = FALSE;
+ }
+
+ map_pairs = g_strsplit(find_output, "\n", INT_MAX);
+
+ while(map_pairs[i] && (entry_buf = g_strsplit(map_pairs[i], "=", INT_MAX))) {
+
+ tz_table[i] = parse_timezone_path(entry_buf);
+
+ g_strfreev(entry_buf);
+ i++;
+ }
+
+ g_free(find_output);
+ g_free(find_cmd);
+ g_free(map_pairs);
+
+ return ret;
+}
+
+static gchar *lookup_hash(gchar *hash) {
+
+ gint i = 0;
+
+ while(tz_table[i].sum)
+ if(!g_strcmp0(tz_table[i].sum, hash))
+ return tz_table[i].path;
+ else
+ i++;
+
+ return NULL;
}
projects / systembsd.git / blobdiff