diff mbox series

[v2,2/2] elf: Add test for finding libraries in root dir

Message ID ME2P282MB2242912DC6B2D7AD8DAD1ABFB4769@ME2P282MB2242.AUSP282.PROD.OUTLOOK.COM
State New
Headers show
Series elf: Fix marking root dir as nonexist in open_path | expand

Commit Message

Qixing ksyx Xue May 9, 2023, 10:56 p.m. UTC 
Suggested-by: Carlos O'Donell <carlos@redhat.com>
Signed-off-by: Qixing ksyx Xue <qixingxue@outlook.com>
---
 elf/Makefile                      |  3 +++
 elf/tst-rootdir-lib.c             | 23 +++++++++++++++++++
 elf/tst-rootdir.c                 | 37 +++++++++++++++++++++++++++++++
 elf/tst-rootdir.root/preclean.req |  0
 elf/tst-rootdir.script            |  1 +
 5 files changed, 64 insertions(+)
 create mode 100644 elf/tst-rootdir-lib.c
 create mode 100644 elf/tst-rootdir.c
 create mode 100644 elf/tst-rootdir.root/preclean.req
 create mode 100644 elf/tst-rootdir.script

Comments

Siddhesh Poyarekar May 25, 2023, 12:51 p.m. UTC | #1 
On 2023-05-09 18:56, Qixing ksyx Xue via Libc-alpha wrote:
> Suggested-by: Carlos O'Donell <carlos@redhat.com>
> Signed-off-by: Qixing ksyx Xue <qixingxue@outlook.com>
> ---
>   elf/Makefile                      |  3 +++
>   elf/tst-rootdir-lib.c             | 23 +++++++++++++++++++
>   elf/tst-rootdir.c                 | 37 +++++++++++++++++++++++++++++++
>   elf/tst-rootdir.root/preclean.req |  0
>   elf/tst-rootdir.script            |  1 +
>   5 files changed, 64 insertions(+)
>   create mode 100644 elf/tst-rootdir-lib.c
>   create mode 100644 elf/tst-rootdir.c
>   create mode 100644 elf/tst-rootdir.root/preclean.req
>   create mode 100644 elf/tst-rootdir.script

Sorry, I acked Andreas' patch to fix the same issue; it's also a 
slightly cleaner fix.  It didn't have a test case though, so thank you 
for writing the test!  Could you please send a v3 of the test with the 
following nits fixed and also quote the BZ number in the subject?

Thanks,
Sid

> 
> diff --git a/elf/Makefile b/elf/Makefile
> index 396ec51424..ee81575cbb 100644
> --- a/elf/Makefile
> +++ b/elf/Makefile
> @@ -325,6 +325,7 @@ static-dlopen-environment = \
>     LD_LIBRARY_PATH=$(ld-library-path):$(common-objpfx)dlfcn
>   tst-tls9-static-ENV = $(static-dlopen-environment)
>   tst-single_threaded-static-dlopen-ENV = $(static-dlopen-environment)
> +tst-rootdir-ENV = LD_LIBRARY_PATH=/
>   
>   tests += \
>     argv0test \
> @@ -506,6 +507,7 @@ tests-container += \
>     tst-dlopen-tlsmodid-container \
>     tst-pldd \
>     tst-preload-pthread-libc \
> +  tst-rootdir \
>     # tests-container
>   
>   test-srcs = \
> @@ -854,6 +856,7 @@ modules-names += \
>     tst-relsort1mod1 \
>     tst-relsort1mod2 \
>     tst-ro-dynamic-mod \
> +  tst-rootdir-lib \
>     tst-single_threaded-mod1 \
>     tst-single_threaded-mod2 \
>     tst-single_threaded-mod3 \
> diff --git a/elf/tst-rootdir-lib.c b/elf/tst-rootdir-lib.c
> new file mode 100644
> index 0000000000..22b7bdad70
> --- /dev/null
> +++ b/elf/tst-rootdir-lib.c
> @@ -0,0 +1,23 @@
> +/* Simple library for testing locating library in root directories.
> +   Copyright (C) 2023 Free Software Foundation, Inc.

Please change this to "Copyright The GNU Toolchain Authors." for both files.

> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +const char *
> +test_func (void)
> +{
> +  return "Success";
> +}
> diff --git a/elf/tst-rootdir.c b/elf/tst-rootdir.c
> new file mode 100644
> index 0000000000..a31d4237af
> --- /dev/null
> +++ b/elf/tst-rootdir.c
> @@ -0,0 +1,37 @@
> +/* Test code for locating libraries in root directories.
> +   Copyright (C) 2023 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#include <support/test-driver.h>
> +#include <support/check.h>
> +#include <dlfcn.h>
> +#include <assert.h>
> +
> +static int
> +do_test (void)
> +{
> +  void *handle = dlopen ("libtest.so", RTLD_LAZY);
> +  TEST_VERIFY_EXIT (handle != NULL);
> +  typedef const char *(test_func_t) (void);
> +  test_func_t *func = dlsym (handle, "test_func");
> +  assert (func != NULL);
> +  TEST_COMPARE_STRING (func (), "Success");
> +  dlclose (handle);
> +  return 0;
> +}
> +
> +#include <support/test-driver.c>
> diff --git a/elf/tst-rootdir.root/preclean.req b/elf/tst-rootdir.root/preclean.req
> new file mode 100644
> index 0000000000..e69de29bb2
> diff --git a/elf/tst-rootdir.script b/elf/tst-rootdir.script
> new file mode 100644
> index 0000000000..f852c0ec34
> --- /dev/null
> +++ b/elf/tst-rootdir.script
> @@ -0,0 +1 @@
> +cp $B/elf/tst-rootdir-lib.so /libtest.so
diff mbox series

Patch

diff --git a/elf/Makefile b/elf/Makefile
index 396ec51424..ee81575cbb 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -325,6 +325,7 @@  static-dlopen-environment = \
   LD_LIBRARY_PATH=$(ld-library-path):$(common-objpfx)dlfcn
 tst-tls9-static-ENV = $(static-dlopen-environment)
 tst-single_threaded-static-dlopen-ENV = $(static-dlopen-environment)
+tst-rootdir-ENV = LD_LIBRARY_PATH=/
 
 tests += \
   argv0test \
@@ -506,6 +507,7 @@  tests-container += \
   tst-dlopen-tlsmodid-container \
   tst-pldd \
   tst-preload-pthread-libc \
+  tst-rootdir \
   # tests-container
 
 test-srcs = \
@@ -854,6 +856,7 @@  modules-names += \
   tst-relsort1mod1 \
   tst-relsort1mod2 \
   tst-ro-dynamic-mod \
+  tst-rootdir-lib \
   tst-single_threaded-mod1 \
   tst-single_threaded-mod2 \
   tst-single_threaded-mod3 \
diff --git a/elf/tst-rootdir-lib.c b/elf/tst-rootdir-lib.c
new file mode 100644
index 0000000000..22b7bdad70
--- /dev/null
+++ b/elf/tst-rootdir-lib.c
@@ -0,0 +1,23 @@ 
+/* Simple library for testing locating library in root directories.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+const char *
+test_func (void)
+{
+  return "Success";
+}
diff --git a/elf/tst-rootdir.c b/elf/tst-rootdir.c
new file mode 100644
index 0000000000..a31d4237af
--- /dev/null
+++ b/elf/tst-rootdir.c
@@ -0,0 +1,37 @@ 
+/* Test code for locating libraries in root directories.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <support/test-driver.h>
+#include <support/check.h>
+#include <dlfcn.h>
+#include <assert.h>
+
+static int
+do_test (void)
+{
+  void *handle = dlopen ("libtest.so", RTLD_LAZY);
+  TEST_VERIFY_EXIT (handle != NULL);
+  typedef const char *(test_func_t) (void);
+  test_func_t *func = dlsym (handle, "test_func");
+  assert (func != NULL);
+  TEST_COMPARE_STRING (func (), "Success");
+  dlclose (handle);
+  return 0;
+}
+
+#include <support/test-driver.c>
diff --git a/elf/tst-rootdir.root/preclean.req b/elf/tst-rootdir.root/preclean.req
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/elf/tst-rootdir.script b/elf/tst-rootdir.script
new file mode 100644
index 0000000000..f852c0ec34
--- /dev/null
+++ b/elf/tst-rootdir.script
@@ -0,0 +1 @@ 
+cp $B/elf/tst-rootdir-lib.so /libtest.so