Create test utils for testing different syscall

For now, just testing the connect syscalls with a client/server small
test program.

Signed-off-by: Alice Frosi <afrosi@redhat.com>

3 files changed, 96 insertions, 0 deletions

diff --git a/tests-utils/Makefile b/tests-utils/Makefile
new file mode 100644
index 0000000..c234972
--- /dev/null
+++ b/tests-utils/Makefile
@@ -0,0 +1,3 @@
+test:
+	$(CC) $(CFLAGS) -o test-syscalls test-syscalls.c
+	$(CC) $(CFLAGS) -o test-server test-server.c
diff --git a/tests-utils/test-server.c b/tests-utils/test-server.c
new file mode 100644
index 0000000..811caf4
--- /dev/null
+++ b/tests-utils/test-server.c
@@ -0,0 +1,46 @@
+#include <sys/un.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+	struct sockaddr_un addr;
+	int fd, connfd, n, addrlen;
+	char sock_path[] = "/tmp/test.sock";
+	char buffer[256];
+	unlink(sock_path);
+	addrlen = sizeof(addr);
+	if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
+		perror("creating socket");
+		return 1;
+	}
+	memset(&addr, 0, sizeof(addr));
+	strcpy(addr.sun_path, sock_path);
+	addr.sun_family = AF_UNIX;
+	if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+		perror("binding");
+		exit(EXIT_FAILURE);
+	}
+
+	listen(fd, 5);
+	if ((connfd = accept(fd, (struct sockaddr *)&addr,
+			     (socklen_t *)&addrlen)) < 0) {
+		perror("ERROR on accept");
+		exit(EXIT_FAILURE);
+	}
+
+	bzero(buffer, 256);
+	n = read(connfd, buffer, 255);
+
+	if (n < 0) {
+		perror("ERROR reading from socket");
+		exit(EXIT_FAILURE);
+	}
+
+	printf("%s\n", buffer);
+	unlink(sock_path);
+	close(fd);
+	return 0;
+}
diff --git a/tests-utils/test-syscalls.c b/tests-utils/test-syscalls.c
new file mode 100644
index 0000000..d017df5
--- /dev/null
+++ b/tests-utils/test-syscalls.c
@@ -0,0 +1,47 @@
+#include <sys/un.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static int test_connect()
+{
+	struct sockaddr_un addr;
+	char data[256] = "test connection";
+	int fd;
+	if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
+		perror("creating socket");
+		return 1;
+	}
+	memset(&addr, 0, sizeof(addr));
+	strcpy(addr.sun_path, "/tmp/test.sock");
+	addr.sun_family = AF_UNIX;
+	if (connect(fd, (struct sockaddr *)&addr, sizeof(addr.sun_path)) < 0) {
+		perror("connect error");
+		return 1;
+	}
+	if (write(fd, data, strlen(data) + 1) < 0) {
+		perror("writing data");
+		return 1;
+	}
+	close(fd);
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int ret;
+	if (argc < 2) {
+		perror("missing syscall to test");
+		exit(EXIT_FAILURE);
+	}
+	printf("Test syscall: %s \n", argv[1]);
+	if (strcmp(argv[1], "connect") == 0)
+		ret = test_connect();
+	else {
+		perror("syscall not supported");
+		exit(EXIT_FAILURE);
+	}
+	if (ret != 0)
+		exit(EXIT_FAILURE);
+}