Allow ':' in timezone

Author: Roman-Koshelev

src/libbson/src/bson/bson-iso8601.c

@@ -214,15 +214,17 @@ _bson_iso8601_date_parse (const char *str, int32_t len, int64_t *out, bson_error
          int32_t tz_hour;
          int32_t tz_min;
 
-         if (tz_len != 5 || !digits_only (tz_ptr + 1, 4)) {
+         if ((tz_len != 5 || !digits_only (tz_ptr + 1, 4)) &&
+             (tz_len != 6 || !digits_only (tz_ptr + 1, 2) || tz_ptr[3] != ':' || !digits_only (tz_ptr + 4, 2))) {
             DATE_PARSE_ERR ("could not parse timezone");
          }
 
          if (!parse_num (tz_ptr + 1, 2, -1, -23, 23, &tz_hour)) {
             DATE_PARSE_ERR ("timezone hour must be at most 23");
          }
 
-         if (!parse_num (tz_ptr + 3, 2, -1, 0, 59, &tz_min)) {
+         int32_t tz_min_offset = tz_ptr[3] == ':' ? 1 : 0;
+         if (!parse_num (tz_ptr + 3 + tz_min_offset, 2, -1, 0, 59, &tz_min)) {
             DATE_PARSE_ERR ("timezone minute must be at most 59");
          }
 

src/libbson/tests/test-iso8601.c

@@ -85,6 +85,7 @@ test_bson_iso8601_utc (void)
    test_date_io ("1970-01-01T00:00:00.000Z", "1970-01-01T00:00:00Z", 0ULL);
    test_date_rt ("1970-06-30T01:06:40.981Z", 15556000981ULL);
    test_date ("1970-01-01T00:00:00.000+0100", -3600LL * 1000);
+   test_date ("1970-01-01T00:00:00.000+01:00", -3600LL * 1000);
 
    if (!is_time_t_small) {
       test_date_rt ("2058-02-20T18:29:11.100Z", 2781455351100ULL);
@@ -115,6 +116,7 @@ test_bson_iso8601_local (void)
    test_date_io ("1971-02-03T09:16:06.7+0511", "1971-02-03T04:05:06.700Z", 34401906700ULL);
    test_date_io ("1971-02-03T09:16:06+0511", "1971-02-03T04:05:06Z", 34401906000ULL);
    test_date_io ("1971-02-03T09:16+0511", "1971-02-03T04:05:00Z", 34401900000ULL);
+   test_date_io ("1971-02-03T09:16+05:11", "1971-02-03T04:05:00Z", 34401900000ULL);
    test_date_io ("1970-01-01T00:00:00.000Z", "1970-01-01T00:00:00Z", 0ULL);
    test_date_rt ("1970-06-30T01:06:40.981Z", 15556000981ULL);
    test_date_io ("1970-06-29T21:06:40.981-0400", "1970-06-30T01:06:40.981Z", 15556000981ULL);