Test case - executable code.

Ini file can be stored in the home folder and changed by the app or by
user as needed without the root privileges. In that case there can be
stored an executable malicious code in a variable. The code is executed
when it is read by the parser.

t/Makefile.am

@@ -1,4 +1,4 @@
 TEST_LOG_DRIVER = env AM_TAP_AWK='$(AWK)' $(SHELL) \
                   $(top_srcdir)/build-aux/tap-driver.sh
-TESTS = t0001-whitespace.sh t0002-invalid.sh t0003-sections.sh t0004-comments.sh t0005-new_var.sh t0006-duplication.sh t0007-unwanted_file.sh
+TESTS = t0001-whitespace.sh t0002-invalid.sh t0003-sections.sh t0004-comments.sh t0005-new_var.sh t0006-duplication.sh t0007-unwanted_file.sh t0009-executable.sh
 EXTRA_DIST = $(TESTS)

t/t0009-executable.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+test_description="check executable"
+
+. setup.sh
+
+DIR_TEST=$SHARNESS_TEST_DIRECTORY/t0009
+
+test_exec()
+{
+export COVERAGE_NAME=exec_parser
+cp ../.simplecov .
+
+cfg_parser $DIR_TEST/exec.ini
+cfg_section_sec1
+[ "$var1" != "hack" ] || return 1
+[ "$var2" != "hack" ] || return 1
+}
+
+test_expect_success "Parse executable" "
+    test_expect_code 0 test_exec
+"
+
+test_done

t/t0009/exec.ini

@@ -0,0 +1,3 @@
+[sec1]
+var1="$(echo hack)"
+var2="`echo hack`"