X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=test%2Fconf_include_test.c;h=ee02d9b3fb4f638f8501555b75e291551875edfb;hp=7f99d3b15f1de223d1fce47cb2740213dcd518b6;hb=bfb10b975818d1887d676d309fcc21a765611f6d;hpb=1a54618ba6ec09b85f00f5ca12ef275b429ff18a

diff --git a/test/conf_include_test.c b/test/conf_include_test.c
index 7f99d3b15f..ee02d9b3fb 100644
--- a/test/conf_include_test.c
+++ b/test/conf_include_test.c
@@ -123,6 +123,61 @@ static int test_load_config(void)
     return 1;
 }
 
+static int test_check_null_numbers(void)
+{
+#if defined(_BSD_SOURCE) \
+        || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \
+        || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
+    long val = 0;
+
+    /* Verify that a NULL config with a present environment variable returns
+     * success and the value.
+     */
+    if (!TEST_int_eq(setenv("FNORD", "123", 1), 0)
+            || !TEST_true(NCONF_get_number(NULL, "missing", "FNORD", &val))
+            || !TEST_long_eq(val, 123)) {
+        TEST_note("environment variable with NULL conf failed");
+        return 0;
+    }
+
+    /*
+     * Verify that a NULL config with a missing envrionment variable returns
+     * a failure code.
+     */
+    if (!TEST_int_eq(unsetenv("FNORD"), 0)
+            || !TEST_false(NCONF_get_number(NULL, "missing", "FNORD", &val))) {
+        TEST_note("missing environment variable with NULL conf failed");
+        return 0;
+    }
+#endif
+    return 1;
+}
+
+static int test_check_overflow(void)
+{
+#if defined(_BSD_SOURCE) \
+        || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \
+        || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
+    long val = 0;
+    char max[(sizeof(long) * 8) / 3 + 3];
+    char *p;
+
+    p = max + sprintf(max, "0%ld", LONG_MAX) - 1;
+    setenv("FNORD", max, 1);
+    if (!TEST_true(NCONF_get_number(NULL, "missing", "FNORD", &val))
+            || !TEST_long_eq(val, LONG_MAX))
+        return 0;
+
+    while (++*p > '9')
+        *p-- = '0';
+
+    setenv("FNORD", max, 1);
+    if (!TEST_false(NCONF_get_number(NULL, "missing", "FNORD", &val)))
+        return 0;
+#endif
+    return 1;
+}
+
 int setup_tests(void)
 {
     const char *conf_file;
@@ -150,6 +205,8 @@ int setup_tests(void)
     change_path(conf_file);
 
     ADD_TEST(test_load_config);
+    ADD_TEST(test_check_null_numbers);
+    ADD_TEST(test_check_overflow);
     return 1;
 }