Module Name: src
Committed By: christos
Date: Wed Jan 14 22:22:14 UTC 2015
Added Files:
src/tests/kernel/kqueue: t_vnode.c
Log Message:
PR/48958: rudolf: EVFILT_VNODE filter miscounting hardlinks (add test)
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/tests/kernel/kqueue/t_vnode.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/tests/kernel/kqueue/t_vnode.c
diff -u /dev/null src/tests/kernel/kqueue/t_vnode.c:1.1
--- /dev/null Wed Jan 14 17:22:14 2015
+++ src/tests/kernel/kqueue/t_vnode.c Wed Jan 14 17:22:14 2015
@@ -0,0 +1,533 @@
+#include <sys/event.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+/*
+ * Test cases for events triggered by manipulating a target directory
+ * content. Using EVFILT_VNODE filter on the target directory descriptor.
+ *
+ */
+
+static const char *dir_target = "foo";
+static const char *dir_inside1 = "foo/bar1";
+static const char *dir_inside2 = "foo/bar2";
+static const char *dir_outside = "bar";
+static const char *file_inside1 = "foo/baz1";
+static const char *file_inside2 = "foo/baz2";
+static const char *file_outside = "qux";
+static const struct timespec ts = {0, 0};
+static int kq = -1;
+static int target = -1;
+
+int init_target(void);
+int init_kqueue(void);
+int create_file(const char *);
+void cleanup(void);
+
+int
+init_target(void)
+{
+ if (mkdir(dir_target, S_IRWXU) < 0) {
+ return -1;
+ }
+ target = open(dir_target, O_RDONLY, 0);
+ return target;
+}
+
+int
+init_kqueue(void)
+{
+ struct kevent eventlist[1];
+
+ kq = kqueue();
+ if (kq < 0) {
+ return -1;
+ }
+ EV_SET(&eventlist[0], (uintptr_t)target, EVFILT_VNODE,
+ EV_ADD | EV_ONESHOT, NOTE_DELETE |
+ NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB |
+ NOTE_LINK | NOTE_RENAME | NOTE_REVOKE, 0, 0);
+ return kevent(kq, eventlist, 1, NULL, 0, NULL);
+}
+
+int
+create_file(const char *file)
+{
+ int fd;
+
+ fd = open(file, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+ if (fd < 0) {
+ return -1;
+ }
+ return close(fd);
+}
+
+void
+cleanup(void)
+{
+ (void)unlink(file_inside1);
+ (void)unlink(file_inside2);
+ (void)unlink(file_outside);
+ (void)rmdir(dir_inside1);
+ (void)rmdir(dir_inside2);
+ (void)rmdir(dir_outside);
+ (void)rmdir(dir_target);
+ (void)close(kq);
+ (void)close(target);
+}
+
+ATF_TC_WITH_CLEANUP(dir_no_note_link_create_file_in);
+ATF_TC_HEAD(dir_no_note_link_create_file_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) does not return NOTE_LINK for the directory "
+ "'foo' if a file 'foo/baz' is created.");
+}
+ATF_TC_BODY(dir_no_note_link_create_file_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, 0);
+}
+ATF_TC_CLEANUP(dir_no_note_link_create_file_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_no_note_link_delete_file_in);
+ATF_TC_HEAD(dir_no_note_link_delete_file_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) does not return NOTE_LINK for the directory "
+ "'foo' if a file 'foo/baz' is deleted.");
+}
+ATF_TC_BODY(dir_no_note_link_delete_file_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(unlink(file_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, 0);
+}
+ATF_TC_CLEANUP(dir_no_note_link_delete_file_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_no_note_link_mv_dir_within);
+ATF_TC_HEAD(dir_no_note_link_mv_dir_within, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) does not return NOTE_LINK for the directory "
+ "'foo' if a directory 'foo/bar' is renamed to 'foo/baz'.");
+}
+ATF_TC_BODY(dir_no_note_link_mv_dir_within, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_inside1, dir_inside2) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, 0);
+}
+ATF_TC_CLEANUP(dir_no_note_link_mv_dir_within, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_no_note_link_mv_file_within);
+ATF_TC_HEAD(dir_no_note_link_mv_file_within, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) does not return NOTE_LINK for the directory "
+ "'foo' if a file 'foo/baz' is renamed to 'foo/qux'.");
+}
+ATF_TC_BODY(dir_no_note_link_mv_file_within, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(file_inside1, file_inside2) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, 0);
+}
+ATF_TC_CLEANUP(dir_no_note_link_mv_file_within, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_link_create_dir_in);
+ATF_TC_HEAD(dir_note_link_create_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_LINK for the directory "
+ "'foo' if a directory 'foo/bar' is created.");
+}
+ATF_TC_BODY(dir_note_link_create_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, NOTE_LINK);
+}
+ATF_TC_CLEANUP(dir_note_link_create_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_link_delete_dir_in);
+ATF_TC_HEAD(dir_note_link_delete_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_LINK for the directory "
+ "'foo' if a directory 'foo/bar' is deleted.");
+}
+ATF_TC_BODY(dir_note_link_delete_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rmdir(dir_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, NOTE_LINK);
+}
+ATF_TC_CLEANUP(dir_note_link_delete_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_link_mv_dir_in);
+ATF_TC_HEAD(dir_note_link_mv_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_LINK for the directory "
+ "'foo' if a directory 'bar' is renamed to 'foo/bar'.");
+}
+ATF_TC_BODY(dir_note_link_mv_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_outside, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_outside, dir_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, NOTE_LINK);
+}
+ATF_TC_CLEANUP(dir_note_link_mv_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_link_mv_dir_out);
+ATF_TC_HEAD(dir_note_link_mv_dir_out, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_LINK for the directory "
+ "'foo' if a directory 'foo/bar' is renamed to 'bar'.");
+}
+ATF_TC_BODY(dir_note_link_mv_dir_out, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_inside1, dir_outside) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_LINK, NOTE_LINK);
+}
+ATF_TC_CLEANUP(dir_note_link_mv_dir_out, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_create_dir_in);
+ATF_TC_HEAD(dir_note_write_create_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a directory 'foo/bar' is created.");
+}
+ATF_TC_BODY(dir_note_write_create_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_create_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_create_file_in);
+ATF_TC_HEAD(dir_note_write_create_file_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a file 'foo/baz' is created.");
+}
+ATF_TC_BODY(dir_note_write_create_file_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_create_file_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_delete_dir_in);
+ATF_TC_HEAD(dir_note_write_delete_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a directory 'foo/bar' is deleted.");
+}
+ATF_TC_BODY(dir_note_write_delete_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rmdir(dir_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_delete_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_delete_file_in);
+ATF_TC_HEAD(dir_note_write_delete_file_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a file 'foo/baz' is deleted.");
+}
+ATF_TC_BODY(dir_note_write_delete_file_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(unlink(file_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_delete_file_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_dir_in);
+ATF_TC_HEAD(dir_note_write_mv_dir_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a directory 'bar' is renamed to 'foo/bar'.");
+}
+ATF_TC_BODY(dir_note_write_mv_dir_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_outside, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_outside, dir_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_dir_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_dir_out);
+ATF_TC_HEAD(dir_note_write_mv_dir_out, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a directory 'foo/bar' is renamed to 'bar'.");
+}
+ATF_TC_BODY(dir_note_write_mv_dir_out, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_inside1, dir_outside) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_dir_out, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_dir_within);
+ATF_TC_HEAD(dir_note_write_mv_dir_within, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a directory 'foo/bar' is renamed to 'foo/baz'.");
+}
+ATF_TC_BODY(dir_note_write_mv_dir_within, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(mkdir(dir_inside1, S_IRWXU) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(dir_inside1, dir_inside2) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_dir_within, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_file_in);
+ATF_TC_HEAD(dir_note_write_mv_file_in, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a file 'qux' is renamed to 'foo/baz'.");
+}
+ATF_TC_BODY(dir_note_write_mv_file_in, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_outside) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(file_outside, file_inside1) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_file_in, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_file_out);
+ATF_TC_HEAD(dir_note_write_mv_file_out, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a file 'foo/baz' is renamed to 'qux'.");
+}
+ATF_TC_BODY(dir_note_write_mv_file_out, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(file_inside1, file_outside) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_file_out, tc)
+{
+ cleanup();
+}
+
+ATF_TC_WITH_CLEANUP(dir_note_write_mv_file_within);
+ATF_TC_HEAD(dir_note_write_mv_file_within, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case ensures "
+ "that kevent(2) returns NOTE_WRITE for the directory "
+ "'foo' if a file 'foo/baz' is renamed to 'foo/qux'.");
+}
+ATF_TC_BODY(dir_note_write_mv_file_within, tc)
+{
+ struct kevent changelist[1];
+
+ ATF_REQUIRE(init_target() != -1);
+ ATF_REQUIRE(create_file(file_inside1) != -1);
+ ATF_REQUIRE(init_kqueue() != -1);
+
+ ATF_REQUIRE(rename(file_inside1, file_inside2) != -1);
+ ATF_REQUIRE(kevent(kq, NULL, 0, changelist, 1, &ts) != -1);
+ ATF_CHECK_EQ(changelist[0].fflags & NOTE_WRITE, NOTE_WRITE);
+}
+ATF_TC_CLEANUP(dir_note_write_mv_file_within, tc)
+{
+ cleanup();
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, dir_no_note_link_create_file_in);
+ ATF_TP_ADD_TC(tp, dir_no_note_link_delete_file_in);
+ ATF_TP_ADD_TC(tp, dir_no_note_link_mv_dir_within);
+ ATF_TP_ADD_TC(tp, dir_no_note_link_mv_file_within);
+ ATF_TP_ADD_TC(tp, dir_note_link_create_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_link_delete_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_link_mv_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_link_mv_dir_out);
+ ATF_TP_ADD_TC(tp, dir_note_write_create_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_create_file_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_delete_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_delete_file_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_dir_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_dir_out);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_dir_within);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_file_in);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_file_out);
+ ATF_TP_ADD_TC(tp, dir_note_write_mv_file_within);
+ return atf_no_error();
+}
