Hi,
On Tue 11-05-10 22:05:52, Subrata Modak wrote:
> It would be great if you can shoot it in the form of a patch, mentioning
>
> 1. The GPL Lincense,
> 2. The purpose of the test case,
> 3. Exact location it goes,
> 4. Which LTPROOT/runtest/<file> executes it
With a help of Cyril I've created the attached patch and verified that
the test fails on 2.6.33 but succeeds on 2.6.32...
Honza
--
Jan Kara <[email protected]>
SUSE Labs, CR
Add O_NOFOLLOW open test with trailing slash
In a situation where symlink (say 's') points to a directory,
open("s/", O_NOFOLLOW) should succeed. Check for this.
Signed-off-by: Jan Kara <[email protected]>
--- ltp/testcases/kernel/syscalls/open/open07.c.orig 2010-05-12 15:26:03.000000000 +0200
+++ ltp/testcases/kernel/syscalls/open/open07.c 2010-05-12 17:50:54.000000000 +0200
@@ -40,6 +40,9 @@
* 4. Create a symbolic link to a symbolically linked directory, and call
* open(O_NOFOLLOW). Check that it returns ELOOP.
*
+ * 5. Create a symbolic link to a directory, and call
+ * open("link/", O_NOFOLLOW). Check that it succeeds.
+ *
* USAGE: <for command-line>
* open07 [-c n] [-e] [-i n] [-I x] [-P x] [-t]
* where, -c n : Run n copies concurrently.
@@ -70,34 +73,35 @@ void setupfunc_test1();
void setupfunc_test2();
void setupfunc_test3();
void setupfunc_test4();
+void setupfunc_test5();
char *TCID = "open07";
-int TST_TOTAL = 4;
+int TST_TOTAL = 5;
extern int Tst_count;
int fd1, fd2;
-char file1[100], file2[100], file3[100];
-
int exp_enos[] = {ELOOP, 0};
struct test_case_t {
char *desc;
- char *filename;
+ char filename[100];
int flags;
int mode;
void (*setupfunc)();
int exp_errno;
- int fileHandle;
+ int fileHandle;
} TC[] = {
- { "Test for ELOOP on f2: f1 -> f2", file2, O_NOFOLLOW, 00700,
+ { "Test for ELOOP on f2: f1 -> f2", {}, O_NOFOLLOW, 00700,
setupfunc_test1, ELOOP, 0},
- { "Test for ELOOP on d2: d1 -> d2", file2, O_NOFOLLOW, 00700,
+ { "Test for ELOOP on d2: d1 -> d2", {}, O_NOFOLLOW, 00700,
setupfunc_test2, ELOOP, 0},
- { "Test for ELOOP on f3: f1 -> f2 -> f3", file3, O_NOFOLLOW, 00700,
+ { "Test for ELOOP on f3: f1 -> f2 -> f3", {}, O_NOFOLLOW, 00700,
setupfunc_test3, ELOOP, 0},
- { "Test for ELOOP on d3: d1 -> d2 -> d3", file3, O_NOFOLLOW, 00700,
+ { "Test for ELOOP on d3: d1 -> d2 -> d3", {}, O_NOFOLLOW, 00700,
setupfunc_test4, ELOOP, 0},
- { NULL, NULL, 0, 0, NULL, 0, 0}
+ { "Test for success on d2: d1 -> d2", {}, O_NOFOLLOW, 00700,
+ setupfunc_test5, 0, 0},
+ { NULL, {}, 0, 0, NULL, 0, 0}
};
int main(int ac, char **av)
@@ -132,21 +136,34 @@ int main(int ac, char **av)
TEST(open(TC[i].filename, TC[i].flags, TC[i].mode));
- if (TEST_RETURN != -1) {
- tst_resm(TFAIL, "call succeeded unexpectedly");
- }
-
- TEST_ERROR_LOG(TEST_ERRNO);
-
- if (TEST_ERRNO != TC[i].exp_errno) {
- tst_resm(TFAIL, "open returned unexpected "
- "errno, expected: %d, got: %d",
- TC[i].exp_errno, TEST_ERRNO);
+ if (TC[i].exp_errno != 0) {
+ if (TEST_RETURN != -1) {
+ tst_resm(TFAIL, "open succeeded "
+ "unexpectedly");
+ }
+ TEST_ERROR_LOG(TEST_ERRNO);
+
+ if (TEST_ERRNO != TC[i].exp_errno) {
+ tst_resm(TFAIL, "open returned "
+ "unexpected errno, expected: "
+ "%d, got: %d",
+ TC[i].exp_errno, TEST_ERRNO);
+ } else {
+ tst_resm(TPASS, "open returned "
+ "expected ELOOP error");
+ }
} else {
- tst_resm(TPASS, "open returned expected "
- "ELOOP error");
+ if (TEST_RETURN == -1) {
+ tst_resm(TFAIL, "open failed "
+ "unexpectedly with errno %d",
+ TEST_ERRNO);
+ } else {
+ tst_resm(TPASS, "open succeeded as "
+ "expected");
+ }
}
- close(TC[i].fileHandle);
+
+ close(TC[i].fileHandle);
}
}
cleanup();
@@ -157,6 +174,8 @@ int main(int ac, char **av)
void
setupfunc_test1()
{
+ char file1[100], file2[100];
+
sprintf(file1, "open03.1.%d", getpid());
sprintf(file2, "open03.2.%d", getpid());
if ((fd1 = creat(file1, 00700)) < 0) {
@@ -167,11 +186,14 @@ setupfunc_test1()
tst_brkm(TBROK, cleanup, "symlink(2) failed: errno: %d", errno);
/*NOTREACHED*/
}
+ strcpy(TC[0].filename, file2);
}
void
setupfunc_test2()
{
+ char file1[100], file2[100];
+
sprintf(file1, "open03.3.%d", getpid());
sprintf(file2, "open03.4.%d", getpid());
if (mkdir(file1, 00700) < 0) {
@@ -182,11 +204,14 @@ setupfunc_test2()
tst_brkm(TBROK, cleanup, "symlink(2) failed: errno: %d", errno);
/*NOTREACHED*/
}
+ strcpy(TC[1].filename, file2);
}
void
setupfunc_test3()
{
+ char file1[100], file2[100], file3[100];
+
sprintf(file1, "open03.5.%d", getpid());
sprintf(file2, "open03.6.%d", getpid());
sprintf(file3, "open03.7.%d", getpid());
@@ -202,11 +227,14 @@ setupfunc_test3()
tst_brkm(TBROK, cleanup, "symlink(2) failed: errno: %d", errno);
/*NOTREACHED*/
}
+ strcpy(TC[2].filename, file3);
}
void
setupfunc_test4()
{
+ char file1[100], file2[100], file3[100];
+
sprintf(file1, "open03.8.%d", getpid());
sprintf(file2, "open03.9.%d", getpid());
sprintf(file3, "open03.10.%d", getpid());
@@ -222,6 +250,26 @@ setupfunc_test4()
tst_brkm(TBROK, cleanup, "symlink(2) failed: errno: %d", errno);
/*NOTREACHED*/
}
+ strcpy(TC[3].filename, file3);
+}
+
+void
+setupfunc_test5()
+{
+ char file1[100], file2[100];
+
+ sprintf(file1, "open11.3.%d", getpid());
+ sprintf(file2, "open12.4.%d", getpid());
+ if (mkdir(file1, 00700) < 0) {
+ tst_brkm(TBROK, cleanup, "mkdir(2) failed: errno: %d", errno);
+ /*NOTREACHED*/
+ }
+ if (symlink(file1, file2) < 0) {
+ tst_brkm(TBROK, cleanup, "symlink(2) failed: errno: %d", errno);
+ /*NOTREACHED*/
+ }
+ strcpy(TC[4].filename, file2);
+ strcat(TC[4].filename, "/");
}
/*
------------------------------------------------------------------------------
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