import libosinfo-1.9.0-3.el8
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
a892040531
commit
c790b5cb11
45
SOURCES/0001-loader-add-check-for-unknown-file-type.patch
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45
SOURCES/0001-loader-add-check-for-unknown-file-type.patch
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From d3b1587f7b77b630bae8ab3f4760eda69bd7fe66 Mon Sep 17 00:00:00 2001
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From: Victor Toso <victortoso@redhat.com>
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Date: Fri, 26 Nov 2021 17:36:09 +0100
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Subject: [PATCH] loader: add check for unknown file type
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So we can provide a meaningful error message in case the provided path
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is not accessible to running process.
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e.g: running HOME=/root osinfo-query os we would get
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`Error loading OS data: Unexpected file type`
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and now we get
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`Error loading OS data: Can't read path /root/.config/osinfo`
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This error was first hit with v2v [0] that was leaking $USER and $HOME
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of root user when osinfo-query as vsdm user with `sudo -c vdsm`. The
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example above is a simple way to show lack of permision of
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osinfo-query to read the root's $HOME.
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[0] https://bugzilla.redhat.com/show_bug.cgi?id=1901423
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Related: https://bugzilla.redhat.com/show_bug.cgi?id=1902720
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Signed-off-by: Victor Toso <victortoso@redhat.com>
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---
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osinfo/osinfo_loader.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/osinfo/osinfo_loader.c b/osinfo/osinfo_loader.c
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index 3f04fa5..96ca6ee 100644
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--- a/osinfo/osinfo_loader.c
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+++ b/osinfo/osinfo_loader.c
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@@ -2374,6 +2374,11 @@ static void osinfo_loader_find_files(OsinfoLoader *loader,
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}
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g_object_unref(ents);
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g_list_free(children);
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+ } else if (type == G_FILE_TYPE_UNKNOWN) {
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+ g_autofree gchar *path = g_file_get_path(file);
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+ g_autofree gchar *msg = g_strdup_printf("Can't read path %s", path);
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+ OSINFO_LOADER_SET_ERROR(&error, msg);
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+ g_propagate_error(err, error);
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} else {
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OSINFO_LOADER_SET_ERROR(&error, "Unexpected file type");
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g_propagate_error(err, error);
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--
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2.33.1
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@ -0,0 +1,220 @@
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From e5bdc6759195dbcfc4e7dcb02bf59190a3debe06 Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Wed, 9 Feb 2022 13:14:54 +0100
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Subject: [PATCH] loader: work around lstat()/EACCES regression in
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_g_local_file_info_get()
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In glib commit 71e7b5800a31 ("Handle MLS selinux policy better",
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2010-07-08), which was made for
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<https://bugzilla.gnome.org/show_bug.cgi?id=623692>, an lstat() failure
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with error code EACCES was *masked* in function _g_local_file_info_get().
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Consequently, if osinfo_loader_find_files() calls g_file_query_info() on a
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file that is inaccessible due to (e.g.) a missing "x" (search) permission
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on a leading directory, then g_file_query_info() succeeds, our
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"skipMissing" branch is dead, g_file_info_get_attribute_uint32() is
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reached, and it returns G_FILE_TYPE_UNKNOWN.
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As a consequence, the outer osinfo_loader_process_default_path() function
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can fail, even though it passes skipMissing=TRUE to
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osinfo_loader_process_list(). Example:
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> $ HOME=/root \
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> OSINFO_SYSTEM_DIR=/usr/share/osinfo \
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> build/tools/osinfo-query os
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> Error loading OS data: Can't read path /root/.config/osinfo
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Arguably, this situation should be handled by simply skipping the
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inaccessible path, as if all leading directories could be searched, and
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only the last pathname compontent (the filename entry) didn't exist in its
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direct parent directory.
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The glib regression was reported in 2017:
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https://bugzilla.gnome.org/show_bug.cgi?id=777187
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and then migrated to gitlab:
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https://gitlab.gnome.org/GNOME/glib/-/issues/1237
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but it's still not solved today.
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Work around the issue by honoring "skipMissing" on the G_FILE_TYPE_UNKNOWN
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branch. Demonstration:
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> $ HOME=/root \
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> OSINFO_SYSTEM_DIR=/usr/share/osinfo \
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> build/tools/osinfo-query os
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>
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> ** (osinfo-query:9924): WARNING **: 13:23:12.776: Can't read path /root/.config/osinfo
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> Short ID | Name | Version | ID
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> ----------------+------------------+---------+----------------------------------------
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> alpinelinux3.5 | Alpine Linux 3.5 | 3.5 | http://alpinelinux.org/alpinelinux/3.5
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> ...
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2051559
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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---
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osinfo/osinfo_loader.c | 15 ++++++
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tests/test-loader.c | 105 +++++++++++++++++++++++++++++++++++++++++
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2 files changed, 120 insertions(+)
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diff --git a/osinfo/osinfo_loader.c b/osinfo/osinfo_loader.c
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index 96ca6ee..e244b3f 100644
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--- a/osinfo/osinfo_loader.c
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+++ b/osinfo/osinfo_loader.c
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@@ -2377,6 +2377,21 @@ static void osinfo_loader_find_files(OsinfoLoader *loader,
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} else if (type == G_FILE_TYPE_UNKNOWN) {
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g_autofree gchar *path = g_file_get_path(file);
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g_autofree gchar *msg = g_strdup_printf("Can't read path %s", path);
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+ if (skipMissing) {
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+ /* This is a work-around for
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+ * <https://gitlab.gnome.org/GNOME/glib/-/issues/1237>. If the
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+ * lstat() call underlying our g_file_query_info() call at the top
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+ * of this function fails for "path" with EACCES, then
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+ * g_file_query_info() should fail, and the "skipMissing" branch up
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+ * there should suppress the error and return cleanly.
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+ * Unfortunately, _g_local_file_info_get() masks the lstat()
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+ * failure, g_file_info_get_attribute_uint32() is reached above,
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+ * and returns G_FILE_TYPE_UNKNOWN for the file that could never be
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+ * accessed. So we need to consider "skipMissing" here too.
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+ */
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+ g_warning("%s", msg);
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+ return;
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+ }
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OSINFO_LOADER_SET_ERROR(&error, msg);
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g_propagate_error(err, error);
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} else {
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diff --git a/tests/test-loader.c b/tests/test-loader.c
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index 6644943..bb86585 100644
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--- a/tests/test-loader.c
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+++ b/tests/test-loader.c
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@@ -16,6 +16,8 @@
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*/
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#include <osinfo/osinfo.h>
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+#include <glib/gstdio.h>
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+#include <unistd.h>
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static void
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test_basic(void)
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@@ -31,6 +33,101 @@ test_basic(void)
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g_object_unref(loader);
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}
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+typedef struct {
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+ gchar *tmp_parent;
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+ gchar *tmp_child;
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+ gchar *orig_userdir;
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+ gchar *expected_warning;
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+} TestEaccesFixture;
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+
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+static void
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+eacces_fixture_setup(TestEaccesFixture *fixture, gconstpointer user_data)
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+{
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+ gpointer rp;
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+ gint ri;
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+ gboolean rb;
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+
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+ /* create a temporary directory with permissions 0700 */
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+ fixture->tmp_parent = g_strdup_printf("%s/%s", g_get_tmp_dir(),
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+ "test_eacces.XXXXXX");
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+ rp = g_mkdtemp_full(fixture->tmp_parent, 0700);
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+ g_assert_nonnull(rp);
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+
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+ /* create a child directory called "osinfo" in it, with permissions 0700 */
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+ fixture->tmp_child = g_strdup_printf("%s/osinfo", fixture->tmp_parent);
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+ ri = g_mkdir(fixture->tmp_child, 0700);
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+ g_assert_cmpint(ri, ==, 0);
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+
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+ /* revoke the search permission (0100) from the parent */
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+ ri = g_chmod(fixture->tmp_parent, 0600);
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+ g_assert_cmpint(ri, ==, 0);
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+
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+ /* stash the current value of OSINFO_USER_DIR */
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+ fixture->orig_userdir = g_strdup(g_getenv("OSINFO_USER_DIR"));
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+
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+ /* point osinfo_loader_get_user_path() inside
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+ * osinfo_loader_process_default_path() to the child directory
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+ */
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+ rb = g_setenv("OSINFO_USER_DIR", fixture->tmp_child, TRUE);
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+ g_assert_true(rb);
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+
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+ /* format the pattern for the warning expected later on */
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+ fixture->expected_warning = g_strdup_printf("Can't read path %s",
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+ fixture->tmp_child);
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+}
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+
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+static void
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+eacces_fixture_teardown(TestEaccesFixture *fixture, gconstpointer user_data)
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+{
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+ gboolean rb;
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+ gint ri;
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+
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+ /* free the expected warning pattern */
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+ g_free(fixture->expected_warning);
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+
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+ /* restore the OSINFO_USER_DIR variable */
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+ if (fixture->orig_userdir) {
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+ rb = g_setenv("OSINFO_USER_DIR", fixture->orig_userdir, TRUE);
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+ g_assert_true(rb);
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+ g_free(fixture->orig_userdir);
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+ } else {
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+ g_unsetenv("OSINFO_USER_DIR");
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+ }
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+
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+ /* restore search permission on the parent */
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+ ri = g_chmod(fixture->tmp_parent, 0700);
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+ g_assert_cmpint(ri, ==, 0);
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+
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+ /* remove both directories */
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+ ri = g_rmdir(fixture->tmp_child);
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+ g_assert_cmpint(ri, ==, 0);
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+ g_free(fixture->tmp_child);
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+
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+ ri = g_rmdir(fixture->tmp_parent);
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+ g_assert_cmpint(ri, ==, 0);
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+ g_free(fixture->tmp_parent);
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+}
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+
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+static void
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+test_eacces(TestEaccesFixture *fixture, gconstpointer user_data)
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+{
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+ OsinfoLoader *loader = osinfo_loader_new();
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+ GError *error = NULL;
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+
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+ g_assert_true(OSINFO_IS_LOADER(loader));
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+
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+ /* this should trigger an EACCES in glib's lstat(), but not break db
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+ * loading; also we expect the warning here
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+ */
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+ g_test_expect_message(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
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+ fixture->expected_warning);
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+ osinfo_loader_process_default_path(loader, &error);
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+ g_assert_no_error(error);
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+ g_test_assert_expected_messages();
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+
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+ g_object_unref(loader);
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+}
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+
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int
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main(int argc, char *argv[])
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{
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@@ -38,6 +135,14 @@ main(int argc, char *argv[])
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g_test_add_func("/loader/basic", test_basic);
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+ /* the following test depends on a directory with file mode bits 0600 being
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+ * unsearchable for the owner, so skip it if the test is running as root
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+ */
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+ if (geteuid() != 0) {
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+ g_test_add("/loader/eacces", TestEaccesFixture, NULL,
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+ eacces_fixture_setup, test_eacces, eacces_fixture_teardown);
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+ }
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+
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/* Upfront so we don't confuse valgrind */
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osinfo_entity_get_type();
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osinfo_db_get_type();
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--
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2.34.1
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@ -3,12 +3,14 @@
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Summary: A library for managing OS information for virtualization
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Summary: A library for managing OS information for virtualization
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Name: libosinfo
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Name: libosinfo
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Version: 1.9.0
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Version: 1.9.0
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Release: 1%{?dist}
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Release: 3%{?dist}
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License: LGPLv2+
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License: LGPLv2+
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Source: https://releases.pagure.io/%{name}/%{name}-%{version}.tar.xz
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Source: https://releases.pagure.io/%{name}/%{name}-%{version}.tar.xz
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URL: https://libosinfo.org/
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URL: https://libosinfo.org/
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### Patches ###
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### Patches ###
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Patch0001: 0001-loader-add-check-for-unknown-file-type.patch
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Patch0002: 0002-loader-work-around-lstat-EACCES-regression-in-_g_loc.patch
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BuildRequires: meson
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BuildRequires: meson
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BuildRequires: gcc
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BuildRequires: gcc
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@ -96,6 +98,12 @@ Libraries, includes, etc. to compile with the libosinfo library
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%{_datadir}/vala/vapi/libosinfo-1.0.vapi
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%{_datadir}/vala/vapi/libosinfo-1.0.vapi
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%changelog
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%changelog
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* Fri Feb 11 2022 Victor Toso <victortoso@redhat.com> - 1.9.0-3
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- Resolves: rhbz#2053272
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* Thu Dec 16 2021 Victor Toso <victortoso@redhat.com> - 1.9.0-2
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- Resolves: rhbz#1902720
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* Thu Feb 04 2021 Danilo C. L. de Paula <ddepaula@redhat.com> - 1.9.0-1
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* Thu Feb 04 2021 Danilo C. L. de Paula <ddepaula@redhat.com> - 1.9.0-1
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- Resolves: rhbz#1903299 - Rebase to latest Fedora
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- Resolves: rhbz#1903299 - Rebase to latest Fedora
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