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systemd/test/udev-test.pl

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#!/usr/bin/perl
# udev-test
#
# Provides automated testing of the udev binary.
# The whole test is self contained in this file, except the matching sysfs tree.
# Simply extend the @tests array, to add a new test variant.
#
# Every test is driven by its own temporary config file.
# This program prepares the environment, creates the config and calls udev.
#
# udev reads the config, looks at the provided sysfs and
# first creates and then removes the device node.
# After creation and removal the result is checked against the
# expected value and the result is printed.
#
# Kay Sievers <kay.sievers@vrfy.org>, 2003
# Leann Ogasawara <ogasawara@osdl.org>, 2004
use warnings;
use strict;
my $PWD = $ENV{PWD};
my $sysfs = "sys/";
my $udev_bin = "../udev";
my $udev_root = "udev-root/"; # !!! directory will be removed !!!
my $udev_db = ".udevdb";
my $main_conf = "udev-test.conf";
my $conf_tmp = "udev-test.rules";
# uncomment following line to run udev with valgrind.
# Should make this a runtime option to the script someday...
#my $udev_bin = "valgrind --tool=memcheck --leak-check=yes ../udev";
my @tests = (
{
desc => "label test of scsi disc",
subsys => "block",
devpath => "/block/sda",
exp_name => "boot_disk" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME="boot_disk%n"
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "label test of scsi partition",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "boot_disk1" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME="boot_disk%n"
EOF
},
{
desc => "label test of pattern match",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "boot_disk1" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="?IBM-ESXS", NAME="boot_disk%n-1"
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS?", NAME="boot_disk%n-2"
BUS=="scsi", SYSFS{vendor}=="IBM-ES??", NAME="boot_disk%n"
BUS=="scsi", SYSFS{vendor}=="IBM-ESXSS", NAME="boot_disk%n-3"
EOF
},
{
desc => "label test of multiple sysfs files",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "boot_disk1" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", SYSFS{model}=="ST336605LW !#", NAME="boot_diskX%n"
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", SYSFS{model}=="ST336605LW !#", NAME="boot_disk%n"
EOF
},
{
desc => "label test of max sysfs files",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "boot_disk1" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", SYSFS{model}=="ST336605LW !#", SYSFS{scsi_level}=="4", SYSFS{rev}=="B245", SYSFS{type}=="2", SYSFS{queue_depth}=="32", NAME="boot_diskXX%n"
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", SYSFS{model}=="ST336605LW !#", SYSFS{scsi_level}=="4", SYSFS{rev}=="B245", SYSFS{type}=="0", NAME="boot_disk%n"
EOF
},
{
desc => "catch device by *",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor/0" ,
conf => <<EOF
KERNEL=="ttyUSB*", NAME="visor/%n"
EOF
},
{
desc => "catch device by * - take 2",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor/0" ,
conf => <<EOF
KERNEL=="*USB1", NAME="bad"
KERNEL=="*USB0", NAME="visor/%n"
EOF
},
{
desc => "catch device by ?",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor/0" ,
conf => <<EOF
KERNEL=="ttyUSB??*", NAME="visor/%n-1"
KERNEL=="ttyUSB??", NAME="visor/%n-2"
KERNEL=="ttyUSB?", NAME="visor/%n"
EOF
},
{
desc => "catch device by character class",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor/0" ,
conf => <<EOF
KERNEL=="ttyUSB[A-Z]*", NAME="visor/%n-1"
KERNEL=="ttyUSB?[0-9]", NAME="visor/%n-2"
KERNEL=="ttyUSB[0-9]*", NAME="visor/%n"
EOF
},
{
desc => "replace kernel name",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "Handle comment lines in config file (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
# this is a comment
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "Handle comment lines in config file with whitespace (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
# this is a comment with whitespace before the comment
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "Handle whitespace only lines (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "whitespace" ,
conf => <<EOF
# this is a comment with whitespace before the comment
KERNEL=="ttyUSB0", NAME="whitespace"
EOF
},
{
desc => "Handle empty lines in config file (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "Handle backslashed multi lines in config file (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
KERNEL=="ttyUSB0", \\
NAME="visor"
EOF
},
{
desc => "preserve backslashes, if they are not for a newline",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "aaa",
conf => <<EOF
KERNEL=="ttyUSB0", PROGRAM=="/bin/echo -e \\101", RESULT=="A", NAME="aaa"
EOF
},
{
desc => "Handle stupid backslashed multi lines in config file (and replace kernel name)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
#
\\
\\\\
#\\
KERNEL=="ttyUSB0", \\
NAME="visor"
EOF
},
{
desc => "subdirectory handling",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "sub/direct/ory/visor" ,
conf => <<EOF
KERNEL=="ttyUSB0", NAME="sub/direct/ory/visor"
EOF
},
{
desc => "place on bus of scsi partition",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "first_disk3" ,
conf => <<EOF
BUS=="scsi", ID=="0:0:0:0", NAME="first_disk%n"
EOF
},
{
desc => "test NAME substitution chars",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" ,
conf => <<EOF
BUS=="scsi", ID=="0:0:0:0", NAME="Major:%M:minor:%m:kernelnumber:%n:bus:%b"
EOF
},
{
desc => "test NAME substitution chars (with length limit)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "M8-m3-n3-b0:0-sIBM" ,
conf => <<EOF
BUS=="scsi", ID=="0:0:0:0", NAME="M%M-m%m-n%n-b%3b-s%3s{vendor}"
EOF
},
{
desc => "old style SYSFS_ attribute",
subsys => "block",
devpath => "/block/sda",
exp_name => "good" ,
conf => <<EOF
BUS=="scsi", SYSFS_vendor=="IBM-ESXS", NAME="good"
EOF
},
{
desc => "sustitution of sysfs value (%s{file})",
subsys => "block",
devpath => "/block/sda",
exp_name => "disk-IBM-ESXS-sda" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME="disk-%s{vendor}-%k"
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "program result substitution",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "special-device-3" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n special-device", RESULT=="-special-*", NAME="%c-1-%n"
BUS=="scsi", PROGRAM=="/bin/echo -n special-device", RESULT=="special--*", NAME="%c-2-%n"
BUS=="scsi", PROGRAM=="/bin/echo -n special-device", RESULT=="special-device-", NAME="%c-3-%n"
BUS=="scsi", PROGRAM=="/bin/echo -n special-device", RESULT=="special-devic", NAME="%c-4-%n"
BUS=="scsi", PROGRAM=="/bin/echo -n special-device", RESULT=="special-*", NAME="%c-%n"
EOF
},
{
desc => "program result substitution (no argument should be subsystem)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "subsys_block" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo", RESULT=="block", NAME="subsys_block"
EOF
},
{
desc => "program result substitution (newline removal)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "newline_removed" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo test", RESULT=="test", NAME="newline_removed"
EOF
},
{
desc => "program result substitution",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "test-0:0:0:0" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n test-%b", RESULT=="test-0:0*", NAME="%c"
EOF
},
{
desc => "program with escaped format char (tricky: callout returns format char!)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "escape-3" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n escape-%%n", KERNEL=="sda3", NAME="%c"
EOF
},
{
desc => "program with lots of arguments",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "foo9" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL=="sda3", NAME="%c{7}"
EOF
},
{
desc => "program with subshell",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "bar9" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/sh -c 'echo foo3 foo4 foo5 foo6 foo7 foo8 foo9 | sed s/foo9/bar9/'", KERNEL=="sda3", NAME="%c{7}"
EOF
},
{
desc => "program arguments combined with apostrophes",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "foo7" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n 'foo3 foo4' 'foo5 foo6 foo7 foo8'", KERNEL=="sda3", NAME="%c{5}"
EOF
},
{
desc => "characters before the %c{N} substitution",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "my-foo9" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL=="sda3", NAME="my-%c{7}"
EOF
},
{
desc => "substitute the second to last argument",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "my-foo8" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL=="sda3", NAME="my-%c{6}"
EOF
},
{
desc => "invalid program for device with no bus",
subsys => "tty",
devpath => "/class/tty/console",
exp_name => "TTY" ,
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n foo", RESULT=="foo", NAME="foo"
KERNEL=="console", NAME="TTY"
EOF
},
{
desc => "valid program for device with no bus",
subsys => "tty",
devpath => "/class/tty/console",
exp_name => "foo" ,
conf => <<EOF
PROGRAM=="/bin/echo -n foo", RESULT=="foo", NAME="foo"
KERNEL=="console", NAME="TTY"
EOF
},
{
desc => "invalid label for device with no bus",
subsys => "tty",
devpath => "/class/tty/console",
exp_name => "TTY" ,
conf => <<EOF
BUS=="foo", SYSFS{dev}=="5:1", NAME="foo"
KERNEL=="console", NAME="TTY"
EOF
},
{
desc => "valid label for device with no bus",
subsys => "tty",
devpath => "/class/tty/console",
exp_name => "foo" ,
conf => <<EOF
SYSFS{dev}=="5:1", NAME="foo"
KERNEL=="console", NAME="TTY"
EOF
},
{
desc => "program and bus type match",
subsys => "block",
devpath => "/block/sda",
exp_name => "scsi-0:0:0:0" ,
conf => <<EOF
BUS=="usb", PROGRAM=="/bin/echo -n usb-%b", NAME="%c"
BUS=="scsi", PROGRAM=="/bin/echo -n scsi-%b", NAME="%c"
BUS=="foo", PROGRAM=="/bin/echo -n foo-%b", NAME="%c"
EOF
},
{
desc => "create all possible partitions",
subsys => "block",
devpath => "/block/sda",
exp_name => "boot_disk15" ,
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME{all_partitions}="boot_disk"
EOF
},
{
desc => "sysfs parent hierarchy",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor" ,
conf => <<EOF
SYSFS{idProduct}=="2008", NAME="visor"
EOF
},
{
desc => "name test with ! in the name",
subsys => "block",
devpath => "/block/rd!c0d0",
exp_name => "rd/c0d0" ,
conf => <<EOF
BUS=="scsi", NAME="%k"
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "name test with ! in the name, but no matching rule",
subsys => "block",
devpath => "/block/rd!c0d0",
exp_name => "rd/c0d0" ,
conf => <<EOF
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "name test with ! in the name for a partition",
subsys => "block",
devpath => "/block/cciss!c0d0/cciss!c0d0p1",
exp_name => "cciss/c0d0p1" ,
conf => <<EOF
BUS=="scsi", NAME="%k"
KERNEL=="ttyUSB0", NAME="visor"
EOF
},
{
desc => "ID rule",
subsys => "block",
devpath => "/block/sda",
exp_name => "scsi-0:0:0:0",
conf => <<EOF
BUS=="usb", ID=="0:0:0:0", NAME="not-scsi"
BUS=="scsi", ID=="0:0:0:1", NAME="no-match"
BUS=="scsi", ID==":0", NAME="short-id"
BUS=="scsi", ID=="/0:0:0:0", NAME="no-match"
BUS=="scsi", ID=="0:0:0:0", NAME="scsi-0:0:0:0"
EOF
},
{
desc => "ID wildcard all",
subsys => "block",
devpath => "/block/sda",
exp_name => "scsi-0:0:0:0",
conf => <<EOF
BUS=="scsi", ID=="*:1", NAME="no-match"
BUS=="scsi", ID=="*:0:1", NAME="no-match"
BUS=="scsi", ID=="*:0:0:1", NAME="no-match"
BUS=="scsi", ID=="*", NAME="scsi-0:0:0:0"
BUS=="scsi", ID=="0:0:0:0", NAME="bad"
EOF
},
{
desc => "ID wildcard partial",
subsys => "block",
devpath => "/block/sda",
exp_name => "scsi-0:0:0:0",
conf => <<EOF
BUS=="scsi", ID=="*:0", NAME="scsi-0:0:0:0"
BUS=="scsi", ID=="0:0:0:0", NAME="bad"
EOF
},
{
desc => "ID wildcard partial 2",
subsys => "block",
devpath => "/block/sda",
exp_name => "scsi-0:0:0:0",
conf => <<EOF
BUS=="scsi", ID=="*:0:0:0", NAME="scsi-0:0:0:0"
BUS=="scsi", ID=="0:0:0:0", NAME="bad"
EOF
},
{
desc => "ignore SYSFS attribute whitespace",
subsys => "block",
devpath => "/block/sda",
exp_name => "ignored",
conf => <<EOF
BUS=="scsi", SYSFS{whitespace_test}=="WHITE SPACE", NAME="ignored"
EOF
},
{
desc => "do not ignore SYSFS attribute whitespace",
subsys => "block",
devpath => "/block/sda",
exp_name => "matched-with-space",
conf => <<EOF
BUS=="scsi", SYSFS{whitespace_test}=="WHITE SPACE ", NAME="wrong-to-ignore"
BUS=="scsi", SYSFS{whitespace_test}=="WHITE SPACE ", NAME="matched-with-space"
EOF
},
{
desc => "permissions USER=bad GROUP=name",
subsys => "tty",
devpath => "/class/tty/tty33",
exp_name => "tty33",
exp_perms => "0:0:0660",
conf => <<EOF
KERNEL=="tty33", NAME="tty33", OWNER="bad", GROUP="name"
EOF
},
{
desc => "permissions OWNER=5000",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_perms => "5000::0660",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", OWNER="5000"
EOF
},
{
desc => "permissions GROUP=100",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_perms => ":100:0660",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", GROUP="100"
EOF
},
{
desc => "permissions MODE=0777",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_perms => "::0777",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", MODE="0777"
EOF
},
{
desc => "permissions OWNER=5000 GROUP=100 MODE=0777",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_perms => "5000:100:0777",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", OWNER="5000", GROUP="100", MODE="0777"
EOF
},
{
desc => "permissions OWNER to 5000",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "5000::",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", OWNER="5000"
EOF
},
{
desc => "permissions GROUP to 100",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => ":100:0660",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", GROUP="100"
EOF
},
{
desc => "permissions MODE to 0060",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "::0060",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", MODE="0060"
EOF
},
{
desc => "permissions OWNER, GROUP, MODE",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "5000:100:0777",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", OWNER="5000", GROUP="100", MODE="0777"
EOF
},
{
desc => "permissions only rule",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "5000:100:0777",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", OWNER="5000", GROUP="100", MODE="0777"
KERNEL=="ttyUSX[0-9]*", OWNER="5001", GROUP="101", MODE="0444"
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n"
EOF
},
{
desc => "multiple permissions only rule",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "3000:4000:0777",
conf => <<EOF
SUBSYSTEM=="tty", OWNER="3000"
SUBSYSTEM=="tty", GROUP="4000"
SUBSYSTEM=="tty", MODE="0777"
KERNEL=="ttyUSX[0-9]*", OWNER="5001", GROUP="101", MODE="0444"
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n"
EOF
},
{
desc => "permissions only rule with override at NAME rule",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "ttyUSB0",
exp_perms => "3000:8000:0777",
conf => <<EOF
SUBSYSTEM=="tty", OWNER="3000"
SUBSYSTEM=="tty", GROUP="4000"
SUBSYSTEM=="tty", MODE="0777"
KERNEL=="ttyUSX[0-9]*", OWNER="5001", GROUP="101", MODE="0444"
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", GROUP="8000"
EOF
},
{
desc => "major/minor number test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_majorminor => "8:0",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node"
EOF
},
{
desc => "big minor number test",
subsys => "i2c-dev",
devpath => "/class/i2c-dev/i2c-300",
exp_name => "node",
exp_majorminor => "89:300",
conf => <<EOF
KERNEL=="i2c-300", NAME="node"
EOF
},
{
desc => "big major number test",
subsys => "i2c-dev",
devpath => "/class/i2c-dev/i2c-fake1",
exp_name => "node",
exp_majorminor => "4095:1",
conf => <<EOF
KERNEL=="i2c-fake1", NAME="node"
EOF
},
{
desc => "big major and big minor number test",
subsys => "i2c-dev",
devpath => "/class/i2c-dev/i2c-fake2",
exp_name => "node",
exp_majorminor => "4094:89999",
conf => <<EOF
KERNEL=="i2c-fake2", NAME="node"
EOF
},
{
desc => "multiple symlinks with format char",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "symlink2-ttyUSB0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="symlink1-%n symlink2-%k symlink3-%b"
EOF
},
{
desc => "symlink creation (same directory)",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "visor0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="visor%n"
EOF
},
{
desc => "symlink creation (relative link forward)",
subsys => "block",
devpath => "/block/sda/sda2",
exp_name => "1/2/symlink" ,
exp_target => "a/b/node",
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/symlink"
EOF
},
{
desc => "symlink creation (relative link back and forward)",
subsys => "block",
devpath => "/block/sda/sda2",
exp_name => "1/2/c/d/symlink" ,
exp_target => "../../a/b/node",
conf => <<EOF
BUS=="scsi", SYSFS{vendor}=="IBM-ESXS", NAME="1/2/a/b/node", SYMLINK="1/2/c/d/symlink"
EOF
},
{
desc => "multiple symlinks",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "second-0" ,
exp_target => "visor" ,
conf => <<EOF
KERNEL=="ttyUSB0", NAME="visor", SYMLINK="first-%n second-%n third-%n"
EOF
},
{
desc => "symlink only rule",
subsys => "block",
devpath => "/block/sda",
exp_name => "symlink-only2",
exp_target => "link",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", SYMLINK="symlink-only1"
BUS=="scsi", KERNEL=="sda", SYMLINK="symlink-only2"
BUS=="scsi", KERNEL=="sda", NAME="link", SYMLINK="symlink0"
EOF
},
{
desc => "symlink name '.'",
subsys => "block",
devpath => "/block/sda",
exp_name => ".",
exp_target => "link",
exp_add_error => "yes",
exp_rem_error => "yes",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="link", SYMLINK="."
EOF
},
{
desc => "symlink node to itself",
subsys => "tty",
devpath => "/class/tty/tty0",
exp_name => "link",
exp_target => "link",
exp_rem_error => "yes",
option => "clear",
conf => <<EOF
KERNEL=="tty0", NAME="link", SYMLINK="link"
EOF
},
{
desc => "symlink %n substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "symlink0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="symlink%n"
EOF
},
{
desc => "symlink %k substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "symlink-ttyUSB0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="symlink-%k"
EOF
},
{
desc => "symlink %M:%m substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "major-188:0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="major-%M:%m"
EOF
},
{
desc => "symlink %b substitution",
subsys => "block",
devpath => "/block/sda",
exp_name => "symlink-0:0:0:0",
exp_target => "node",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", SYMLINK="symlink-%b"
EOF
},
{
desc => "symlink %c substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "test",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", PROGRAM=="/bin/echo test" NAME="ttyUSB%n", SYMLINK="%c"
EOF
},
{
desc => "symlink %c{N} substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "test",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", PROGRAM=="/bin/echo symlink test this" NAME="ttyUSB%n", SYMLINK="%c{2}"
EOF
},
{
desc => "symlink %c{N+} substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "this",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", PROGRAM=="/bin/echo symlink test this" NAME="ttyUSB%n", SYMLINK="%c{2+}"
EOF
},
{
desc => "symlink only rule with %c{N+}",
subsys => "block",
devpath => "/block/sda",
exp_name => "test",
exp_target => "link",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", PROGRAM=="/bin/echo link test this" SYMLINK="%c{2+}"
BUS=="scsi", KERNEL=="sda", NAME="link", SYMLINK="symlink0"
EOF
},
{
desc => "symlink %s{filename} substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "188:0",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="%s{dev}"
EOF
},
{
desc => "symlink %Ns{filename} substitution",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "188",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="%3s{dev}"
EOF
},
{
desc => "symlink with '%' in name",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "percent%sign",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="percent%%sign"
EOF
},
{
desc => "symlink with '%' in name",
subsys => "tty",
devpath => "/class/tty/ttyUSB0",
exp_name => "%ttyUSB0_name",
exp_target => "ttyUSB0",
conf => <<EOF
KERNEL=="ttyUSB[0-9]*", NAME="ttyUSB%n", SYMLINK="%%%k_name"
EOF
},
{
desc => "program result substitution (numbered part of)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "link1",
exp_target => "node",
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n node link1 link2", RESULT=="node *", NAME="%c{1}", SYMLINK="%c{2} %c{3}"
EOF
},
{
desc => "program result substitution (numbered part of+)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "link4",
exp_target => "node",
conf => <<EOF
BUS=="scsi", PROGRAM=="/bin/echo -n node link1 link2 link3 link4", RESULT=="node *", NAME="%c{1}", SYMLINK="%c{2+}"
EOF
},
{
desc => "enumeration char test (single test)",
subsys => "block",
devpath => "/block/sda",
exp_name => "cdrom",
conf => <<EOF
KERNEL=="sda", NAME="cdrom%e"
EOF
},
{
desc => "enumeration char test sequence 1/5 (keep)",
subsys => "block",
devpath => "/block/sda",
exp_name => "cdrom",
option => "keep",
conf => <<EOF
KERNEL=="sda", NAME="cdrom%e"
EOF
},
{
desc => "enumeration char test sequence 2/5 (keep)",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "enum",
option => "keep",
conf => <<EOF
KERNEL=="sda1", NAME="enum%e"
EOF
},
{
desc => "enumeration char test sequence 3/5 (keep)",
subsys => "block",
devpath => "/block/sda/sda2",
exp_name => "cdrom1",
option => "keep",
conf => <<EOF
KERNEL=="sda2", NAME="cdrom%e"
EOF
},
{
desc => "enumeration char test sequence 4/5 (keep)",
subsys => "block",
devpath => "/block/sda/sda3",
exp_name => "enum1",
option => "keep",
conf => <<EOF
KERNEL=="sda3", NAME="enum%e"
EOF
},
{
desc => "enumeration char test sequence 5/5 (clean)",
subsys => "block",
devpath => "/block/sda/sda4",
exp_name => "cdrom2",
option => "clear",
conf => <<EOF
KERNEL=="sda4", NAME="cdrom%e"
EOF
},
{
desc => "enumeration char test after cleanup (single test)",
subsys => "block",
devpath => "/block/sda",
exp_name => "cdrom",
conf => <<EOF
KERNEL=="sda", NAME="cdrom%e"
EOF
},
{
desc => "ignore rule test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_add_error => "yes",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", OPTIONS="ignore"
EOF
},
{
desc => "all_partitions, option-only rule",
subsys => "block",
devpath => "/block/sda",
exp_name => "node6",
conf => <<EOF
SUBSYSTEM=="block", OPTIONS="all_partitions"
BUS=="scsi", KERNEL=="sda", NAME="node"
EOF
},
{
desc => "all_partitions, option-only rule (fail on partition)",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "node6",
exp_add_error => "yes",
conf => <<EOF
SUBSYSTEM=="block", OPTIONS="all_partitions"
BUS=="scsi", KERNEL=="sda", NAME="node"
EOF
},
{
desc => "ignore remove event test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
exp_rem_error => "yes",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", OPTIONS="ignore_remove"
EOF
},
{
desc => "ignore remove event test (with all partitions)",
subsys => "block",
devpath => "/block/sda",
exp_name => "node14",
exp_rem_error => "yes",
option => "clear",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="node", OPTIONS="ignore_remove, all_partitions"
EOF
},
{
desc => "SUBSYSTEM match test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="should_not_match", SUBSYSTEM=="vc"
BUS=="scsi", KERNEL=="sda", NAME="node", SUBSYSTEM=="block"
BUS=="scsi", KERNEL=="sda", NAME="should_not_match2", SUBSYSTEM=="vc"
EOF
},
{
desc => "DRIVER match test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="should_not_match", DRIVER=="sd-wrong"
BUS=="scsi", KERNEL=="sda", NAME="node", DRIVER=="sd"
EOF
},
{
desc => "temporary node creation test",
subsys => "block",
devpath => "/block/sda",
exp_name => "node",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", PROGRAM=="/usr/bin/test -b %N" NAME="node"
EOF
},
{
desc => "devpath substitution test",
subsys => "block",
devpath => "/block/sda",
exp_name => "sda",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", PROGRAM=="/bin/echo %p", RESULT=="/block/sda" NAME="%k"
EOF
},
{
desc => "parent node name substitution test sequence 1/2 (keep)",
subsys => "block",
devpath => "/block/sda",
exp_name => "main_device",
option => "keep",
conf => <<EOF
BUS=="scsi", KERNEL=="sda", NAME="main_device"
EOF
},
{
desc => "parent node name substitution test sequence 2/2 (clean)",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "main_device-part-1",
option => "clean",
conf => <<EOF
BUS=="scsi", KERNEL=="sda1", NAME="%P-part-1"
EOF
},
{
desc => "udev_root substitution",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "start-udev-root-end",
conf => <<EOF
BUS=="scsi", KERNEL=="sda1", NAME="start-%r-end"
EOF
},
{
desc => "last_rule option",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "last",
conf => <<EOF
BUS=="scsi", KERNEL=="sda1", SYMLINK="last", OPTIONS="last_rule"
BUS=="scsi", KERNEL=="sda1", NAME="very-last"
EOF
},
{
desc => "negation KERNEL!=",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "match",
conf => <<EOF
BUS=="scsi", KERNEL!="sda1", NAME="matches-but-is-negated"
BUS=="scsi", KERNEL!="xsda1", NAME="match"
BUS=="scsi", KERNEL=="sda1", NAME="wrong"
EOF
},
{
desc => "negation SUBSYSTEM!=",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "not-anything",
conf => <<EOF
BUS=="scsi", SUBSYSTEM=="block", KERNEL!="sda1", NAME="matches-but-is-negated"
BUS=="scsi", SUBSYSTEM!="anything", NAME="not-anything"
BUS=="scsi", KERNEL=="sda1", NAME="wrong"
EOF
},
{
desc => "negation PROGRAM!= exit code",
subsys => "block",
devpath => "/block/sda/sda1",
exp_name => "nonzero-program",
conf => <<EOF
KERNEL=="sda1", PROGRAM!="/bin/false", NAME="nonzero-program"
BUS=="scsi", KERNEL=="sda1", NAME="wrong"
EOF
},
);
# set env
$ENV{UDEV_TEST} = "yes";
$ENV{SYSFS_PATH} = $sysfs;
$ENV{UDEV_CONFIG_FILE} = $main_conf;
$ENV{UDEV_NO_DEVD} = "yes";
$ENV{UDEV_NO_HOTPLUGD} = "yes";
sub udev {
my ($action, $subsys, $devpath, $config) = @_;
$ENV{DEVPATH} = $devpath;
# create temporary config
open CONF, ">$conf_tmp" || die "unable to create config file: $conf_tmp";
print CONF $$config;
close CONF;
$ENV{ACTION} = $action;
system("$udev_bin $subsys");
}
my $error = 0;
sub permissions_test {
my($config, $uid, $gid, $mode) = @_;
my $wrong = 0;
$config->{exp_perms} =~ m/^(.*):(.*):(.*)$/;
if ($1 ne "") {
if ($uid != $1) { $wrong = 1; };
}
if ($2 ne "") {
if ($gid != $2) { $wrong = 1; };
}
if ($3 ne "") {
if (($mode & 07777) != oct($3)) { $wrong = 1; };
}
if ($wrong == 0) {
print "permissions: ok ";
} else {
printf "expected permissions are: %i:%i:%#o\n", $1, $2, oct($3);
printf "created permissions are : %i:%i:%#o\n", $uid, $gid, $mode & 07777;
$error++;
}
}
sub major_minor_test {
my($config, $rdev) = @_;
my $major = ($rdev >> 8) & 0xfff;
my $minor = ($rdev & 0xff) | (($rdev >> 12) & 0xfff00);
my $wrong = 0;
$config->{exp_majorminor} =~ m/^(.*):(.*)$/;
if ($1 ne "") {
if ($major != $1) { $wrong = 1; };
}
if ($2 ne "") {
if ($minor != $2) { $wrong = 1; };
}
if ($wrong == 0) {
print "major:minor: ok ";
} else {
printf "expected major:minor is: %i:%i\n", $1, $2;
printf "created major:minor is : %i:%i\n", $major, $minor;
print "major:minor: error ";
$error++;
}
}
sub symlink_test {
my ($config) = @_;
my $output = `ls -l $PWD/$udev_root$config->{exp_name}`;
if ($output =~ m/(.*)-> (.*)/) {
if ($2 eq $config->{exp_target}) {
print "symlink: ok ";
} else {
print "expected symlink from: \'$config->{exp_name}\' to \'$config->{exp_target}\'\n";
print "created symlink from: \'$config->{exp_name}\' to \'$2\'\n";
if ($config->{exp_add_error}) {
print "as expected ";
} else {
$error++;
}
}
} else {
print "expected symlink from: \'$config->{exp_name}\' to \'$config->{exp_target}\'\n";
print "symlink: not created ";
if ($config->{exp_add_error}) {
print "as expected ";
} else {
$error++;
}
}
}
sub run_test {
my ($config, $number) = @_;
print "TEST $number: $config->{desc}\n";
if ($config->{exp_target}) {
print "device \'$config->{devpath}\' expecting symlink '$config->{exp_name}' to node \'$config->{exp_target}\'\n";
} else {
print "device \'$config->{devpath}\' expecting node \'$config->{exp_name}\'\n";
}
udev("add", $config->{subsys}, $config->{devpath}, \$config->{conf});
if ((-e "$PWD/$udev_root$config->{exp_name}") ||
(-l "$PWD/$udev_root$config->{exp_name}")) {
my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
$atime, $mtime, $ctime, $blksize, $blocks) = stat("$PWD/$udev_root$config->{exp_name}");
if (defined($config->{exp_perms})) {
permissions_test($config, $uid, $gid, $mode);
}
if (defined($config->{exp_majorminor})) {
major_minor_test($config, $rdev);
}
if (defined($config->{exp_target})) {
symlink_test($config);
}
print "add: ok ";
} else {
print "add: error ";
if ($config->{exp_add_error}) {
print "as expected ";
} else {
print "\n\n";
system("tree $udev_root");
print "\n";
$error++;
}
}
if (defined($config->{option}) && $config->{option} eq "keep") {
print "\n\n";
return;
}
udev("remove", $config->{subsys}, $config->{devpath}, \$config->{conf});
if ((-e "$PWD/$udev_root$config->{exp_name}") ||
(-l "$PWD/$udev_root$config->{exp_name}")) {
print "remove: error ";
if ($config->{exp_rem_error}) {
print "as expected\n\n";
} else {
print "\n\n";
system("tree $udev_root");
print "\n";
$error++;
}
} else {
print "remove: ok\n\n";
}
if (defined($config->{option}) && $config->{option} eq "clear") {
system("rm -rf $udev_db");
system("rm -rf $udev_root");
mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
}
}
# only run if we have root permissions
# due to mknod restrictions
if (!($<==0)) {
print "Must have root permissions to run properly.\n";
exit;
}
# prepare
system("rm -rf $udev_root");
mkdir($udev_root) || die "unable to create udev_root: $udev_root\n";
# create initial config file
open CONF, ">$main_conf" || die "unable to create config file: $main_conf";
print CONF "udev_root=\"$udev_root\"\n";
print CONF "udev_db=\"$udev_db\"\n";
print CONF "udev_rules=\"$conf_tmp\"\n";
close CONF;
my $test_num = 1;
if ($ARGV[0]) {
# only run one test
$test_num = $ARGV[0];
if (defined($tests[$test_num-1]->{desc})) {
print "udev-test will run test number $test_num only:\n\n";
run_test($tests[$test_num-1], $test_num);
} else {
print "test does not exist.\n";
}
} else {
# test all
print "\nudev-test will run ".($#tests + 1)." tests:\n\n";
foreach my $config (@tests) {
run_test($config, $test_num);
$test_num++;
}
}
print "$error errors occured\n\n";
# cleanup
system("rm -rf $udev_db");
system("rm -rf $udev_root");
unlink($conf_tmp);
unlink($main_conf);
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