add rw test perm test case

4 files changed, 73 insertions, 11 deletions

diff --git a/harness/Makefile b/harness/Makefile
index e0cdb9a..d2331c4 100644
--- a/harness/Makefile
+++ b/harness/Makefile
@@ -15,16 +15,21 @@ $(PROGS): %.p: %.t $(HARNESS_SRCS)
 clean:
 	rm -f $(PROGS) *.o runtests.out rofile wofile rwfile
 
-rofile:
-	touch $@
+.PHONY:
+
+rofile: .PHONY
+	rm -f $@
+	echo "test" >$@
 	chmod 400 $@
 
-wofile:
-	touch $@
+wofile: .PHONY
+	rm -f $@
+	echo "test" >$@
 	chmod 200 $@
 
-rwfile:
-	touch $@
+rwfile: .PHONY
+	rm -f $@
+	echo "test" >$@
 	chmod 600 $@
 
 check: $(PROGS) rofile rwfile wofile
diff --git a/harness/cases/4.t b/harness/cases/4.t
new file mode 100644
index 0000000..002e462
--- /dev/null
+++ b/harness/cases/4.t
@@ -0,0 +1,50 @@
+/* 4.t
+- read of descriptor without read permission (4.t)
+- write to descriptor without write permission (4.t)
+
+*/
+#include "aio_setup.h"
+
+#define SIZE	512
+#define READ	'r'
+#define WRITE	'w'
+int attempt(int fd, int rw, int expect)
+{
+	char buf[SIZE];
+	struct iocb iocb;
+	int res;
+
+	memset(buf, 0, SIZE);
+
+	switch(rw) {
+	case READ:	io_prep_pread (&iocb, fd, buf, SIZE, 0); break;
+	case WRITE:	io_prep_pwrite(&iocb, fd, buf, SIZE, 0); break;
+	}
+
+	printf("expect %3d: (%c), res = ", expect, rw);
+	fflush(stdout);
+	res = sync_submit(&iocb);
+	printf("%3d [%s]\n", res, (res <= 0) ? strerror(-res) : "Success");
+	if (res != expect)
+		return 1;
+
+	return 0;
+}
+
+int test_main(void)
+{
+	int rofd, wofd, rwfd;
+	int	status = 0;
+
+	rofd = open("rofile", O_RDONLY);	assert(rofd != -1);
+	wofd = open("wofile", O_WRONLY);	assert(wofd != -1);
+	rwfd = open("rwfile", O_RDWR);		assert(rwfd != -1);
+
+	status |= attempt(rofd, WRITE, -EBADF);
+	status |= attempt(wofd,  READ, -EBADF);
+	status |= attempt(rwfd, WRITE, SIZE);
+	status |= attempt(rwfd,  READ, SIZE);
+
+	return status;
+}
+
diff --git a/harness/cases/aio_setup.h b/harness/cases/aio_setup.h
index fccb7f7..204be0b 100644
--- a/harness/cases/aio_setup.h
+++ b/harness/cases/aio_setup.h
@@ -11,8 +11,9 @@ void aio_setup(int n)
 	}
 }
 
-void sync_submit(struct iocb *iocb, struct io_event *event)
+int sync_submit(struct iocb *iocb)
 {
+	struct io_event event;
 	struct iocb *iocbs[] = { iocb };
 	int res;
 
@@ -24,14 +25,15 @@ void sync_submit(struct iocb *iocb, struct io_event *event)
 	res = io_submit(io_ctx, 1, iocbs);
 	if (res != 1) {
 		printf("sync_submit: io_submit res=%d [%s]\n", res, strerror(-res));
-		exit(3);
+		return res;
 	}
 
-	res = io_getevents(io_ctx, 1, event, &ts);
+	res = io_getevents(io_ctx, 1, &event, &ts);
 	if (res != 1) {
 		printf("sync_submit: io_getevents res=%d [%s]\n", res, strerror(-res));
-		exit(3);
+		return res;
 	}
+	return event.res;
 }
 
 #define SETUP	aio_setup(1024)
diff --git a/harness/main.c b/harness/main.c
index 4f8b8cc..ff0b303 100644
--- a/harness/main.c
+++ b/harness/main.c
@@ -1,9 +1,14 @@
 #include <stdio.h>
 #include <errno.h>
-#include <libaio.h>
 #include <assert.h>
 #include <stdlib.h>
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <libaio.h>
+
 #if defined(__i386__)
 #define KERNEL_RW_POINTER	((void *)0xc0010000)
 #else