From 5f34ea55a8c6723240eb1641a655db7df3c428a2 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Tue, 24 Apr 2018 09:38:26 +0200
Subject: [PATCH] test/udev-test.pl: use computed devnode name
More often than not, the created devnode is the basename of the
sysfs entry. The "devnode" device may be used to override the
auto-detected node name.
Permissions and major/minor number are now verified on the devnode
itself, not on symlinks.
For those tests where exp_name is set to the computed devnode name,
the explicit "exp_name" can be removed. "exp_name" is only required for
symlinks.
This allows separate testing for devnodes and symlinks an a follow-up
patch.
(cherry picked from commit f0dccf01a7b4e72278e14effd74782ea83d0a73b)
Related: #1642728
---
test/udev-test.pl | 92 +++++++++++++++++++++++++++++++++--------------
1 file changed, 66 insertions(+), 26 deletions(-)
diff --git a/test/udev-test.pl b/test/udev-test.pl
index db25ef13c1..aa9a8dc2ff 100755
--- a/test/udev-test.pl
+++ b/test/udev-test.pl
@@ -55,12 +55,10 @@ my @tests = (
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
- exp_name => "sda" ,
exp_rem_error => "yes",
},
{
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
- exp_name => "sda1" ,
exp_rem_error => "yes",
}],
rules => <<EOF
@@ -644,6 +642,7 @@ EOF
devices => [
{
devpath => "/devices/virtual/block/fake!blockdev0",
+ devnode => "fake/blockdev0",
exp_name => "is/a/fake/blockdev0" ,
}],
rules => <<EOF
@@ -657,7 +656,7 @@ EOF
devices => [
{
devpath => "/devices/virtual/block/fake!blockdev0",
- exp_name => "fake/blockdev0" ,
+ devnode => "fake/blockdev0",
exp_rem_error => "yes",
}],
rules => <<EOF
@@ -768,7 +767,6 @@ EOF
devices => [
{
devpath => "/devices/virtual/tty/tty33",
- exp_name => "tty33",
exp_perms => "0:0:0600",
}],
rules => <<EOF
@@ -864,7 +862,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "1::",
}],
rules => <<EOF
@@ -876,7 +873,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => ":1:0660",
}],
rules => <<EOF
@@ -888,7 +884,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "::0060",
}],
rules => <<EOF
@@ -900,7 +895,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "1:1:0777",
}],
rules => <<EOF
@@ -912,7 +906,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "1:1:0777",
}],
rules => <<EOF
@@ -926,7 +919,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "1:1:0777",
}],
rules => <<EOF
@@ -942,7 +934,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
- exp_name => "ttyACM0",
exp_perms => "1:2:0777",
}],
rules => <<EOF
@@ -1922,7 +1913,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
- exp_name => "sda",
exp_perms => "0:0:0000",
exp_rem_error => "yes",
}],
@@ -1935,7 +1925,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
- exp_name => "sda",
exp_perms => "1:1:0400",
exp_rem_error => "yes",
}],
@@ -1949,7 +1938,6 @@ EOF
devices => [
{
devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
- exp_name => "sda",
exp_perms => "0:0:0440",
exp_rem_error => "yes",
}],
@@ -2203,6 +2191,44 @@ sub udev_setup {
return 1;
}
+sub get_devnode {
+ my ($device) = @_;
+ my $devnode;
+
+ if (defined($device->{devnode})) {
+ $devnode = "$udev_dev/$device->{devnode}";
+ } else {
+ $devnode = "$device->{devpath}";
+ $devnode =~ s!.*/!$udev_dev/!;
+ }
+ return $devnode;
+}
+
+sub check_devnode {
+ my ($device) = @_;
+ my $devnode = get_devnode($device);
+
+ my @st = lstat("$devnode");
+ if (! (-b _ || -c _)) {
+ print "add $devnode: error\n";
+ system("tree", "$udev_dev");
+ $error++;
+ return undef;
+ }
+
+ my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
+ $atime, $mtime, $ctime, $blksize, $blocks) = @st;
+
+ if (defined($device->{exp_perms})) {
+ permissions_test($device, $uid, $gid, $mode);
+ }
+ if (defined($device->{exp_majorminor})) {
+ major_minor_test($device, $rdev);
+ }
+ print "add $devnode: ok\n";
+ return $devnode;
+}
+
sub check_add {
my ($device) = @_;
@@ -2215,19 +2241,13 @@ sub check_add {
}
}
+ my $devnode = check_devnode($device);
+
print "device \'$device->{devpath}\' expecting node/link \'$device->{exp_name}\'\n";
+ return if (!defined($device->{exp_name}));
+
if ((-e "$udev_dev/$device->{exp_name}") ||
(-l "$udev_dev/$device->{exp_name}")) {
-
- my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
- $atime, $mtime, $ctime, $blksize, $blocks) = stat("$udev_dev/$device->{exp_name}");
-
- if (defined($device->{exp_perms})) {
- permissions_test($device, $uid, $gid, $mode);
- }
- if (defined($device->{exp_majorminor})) {
- major_minor_test($device, $rdev);
- }
print "add $device->{devpath}: ok\n";
} else {
print "add $device->{devpath}: error";
@@ -2243,12 +2263,32 @@ sub check_add {
}
}
+sub check_remove_devnode {
+ my ($device) = @_;
+ my $devnode = get_devnode($device);
+
+ if (-e "$devnode") {
+ print "remove $devnode: error";
+ print "\n";
+ system("tree", "$udev_dev");
+ print "\n";
+ $error++;
+ sleep(1);
+ } else {
+ print "remove $devnode: ok\n";
+ }
+}
+
sub check_remove {
my ($device) = @_;
+ check_remove_devnode($device);
+
+ return if (!defined($device->{exp_name}));
+
if ((-e "$udev_dev/$device->{exp_name}") ||
(-l "$udev_dev/$device->{exp_name}")) {
- print "remove $device->{devpath}: error";
+ print "remove $device->{exp_name}: error";
if ($device->{exp_rem_error}) {
print " as expected\n";
} else {
@@ -2259,7 +2299,7 @@ sub check_remove {
sleep(1);
}
} else {
- print "remove $device->{devpath}: ok\n";
+ print "remove $device->{exp_name}: ok\n";
}
}