Add test-root.c to avoid test timeout

.gitignore

@@ -20,4 +20,5 @@ debian/source
 debian/.debhelper
 debian/debhelper-build-stamp
 debian/files
-tmpdir*
+tmpdir*
+test-root

Makefile

@@ -92,6 +92,7 @@ format :
 	shfmt -i 4 -w get-ruri.sh
 	chmod 777 test/*.sh
 	chmod 777 test/root/*
+	clang-format -i test/*.c
 clean :
 	$(CLEAN_LOG) $(BIN_TARGET)
 	@rm -f $(BIN_TARGET)||true

test/Makefile

@@ -2,4 +2,5 @@ all :
 	@echo "\033[33mWarning: This test is under sudo, do not run it on your device.\033[0m"
 	@echo "\033[33mYou have 5 seconds to press Ctrl+C to cancel.\033[0m"
 	@sleep 5
-	@sudo bash test-root.sh
+	@cc -o test-root test-root.c
+	@sudo ./test-root

test/root/3-capability.sh

@@ -10,7 +10,7 @@ export SUBTEST_DESCRIPTION="Default capability"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 ./ruri ./test /bin/sh /test.sh
@@ -55,7 +55,7 @@ export SUBTEST_DESCRIPTION="Add capability CAP_SYS_ADMIN"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 ./ruri -k cap_sys_admin ./test /bin/sh /test.sh
@@ -72,7 +72,7 @@ export SUBTEST_DESCRIPTION="Drop capability CAP_CHOWN"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 ./ruri -d cap_chown ./test /bin/sh /test.sh
@@ -89,7 +89,7 @@ export SUBTEST_DESCRIPTION="Drop all capabilities"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 for i in $(seq 0 40); do
@@ -109,7 +109,7 @@ export SUBTEST_DESCRIPTION="Keep all capabilities(privileged)"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 ./ruri -p ./test /bin/sh /test.sh
@@ -126,7 +126,7 @@ export SUBTEST_DESCRIPTION="Drop all capabilities but keep CAP_SYS_ADMIN"
 show_subtest_description
 cd ${TMPDIR}
 cat <<EOF >test/test.sh
-cat /proc/self/status | grep CapEff| awk '{print \$2}' > /cap
+cat /proc/self/status | grep CapBnd| awk '{print \$2}' > /cap
 EOF
 chmod 777 test/test.sh
 for i in $(seq 0 40); do

test/test-root.c

@@ -0,0 +1,25 @@
+#include "../src/include/ruri.h"
+int main()
+{
+	// Timeout: 400s
+	// This file will ensure that the test will not stuck.
+	pid_t pid = fork();
+	if (pid > 0) {
+		int status;
+		for (int i = 0; i < 400; i++) {
+			sleep(1);
+			if (waitpid(pid, &status, WNOHANG) == pid) {
+				exit(status);
+			}
+		}
+		if (waitpid(pid, &status, WNOHANG) == 0) {
+			kill(pid, SIGKILL);
+			printf("Timeout\n");
+			exit(114);
+		}
+		exit(0);
+	}
+	char *command[] = { "bash", "test-root.sh", NULL };
+	execvp(command[0], command);
+	return 0;
+}