`nobody` is a special user, whose credentials should be extracted with
`get_user_creds`. `getpwnam` called in `test-udev.pl` is a bit different,
which causes the test to fail with the following error:
```
device '/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda' expecting node/link 'node'
expected permissions are: nobody::0600
created permissions are : 65534:0:0600
permissions: error
add: ok
remove: ok
```
The ideal fix would probably be to implement `get_user_creds` in Perl, but in this
PR the issue is simply got around by using `daemon` instead of `nobody`.
Closes https://github.com/systemd/systemd/issues/8196.
same motivation as in #5816:
- distributions have scripts to rewrite shebangs on installation and
they know what locations to rely on.
- For tests/compilation we should rather rely on the user to have setup
there PATH correctly.
This is primarly useful to support escaped double quotes in PROGRAM or
IMPORT{program} directives.
The only possibilty before this patch was to use an external shell script but
this seems too cumbersome for trivial logics such as
PROGRAM=="/bin/sh -c 'FOO=\"%s{model}\"; echo ${FOO:0:4}'"
or any similar shell constructs that needs to deals with patterns including
whitespaces.
As it's the case for single quote and for directives running a program, words
within escaped double quotes will be considered as a single argument.
Fixes: #6835
add udev-test.pl tests for whitespace in a substituted variable,
to verify the variable whitespace is replaced with underscores.
Tests for the change made by commit 0a10235ed4 ("udev-rules:
perform whitespace replacement for symlink subst values")
Add two more tests:
- Add a single tag, match on it, don't match on another.
- Add 10.000 tags to a device, ensure that udev survives this.
(Reproduces crash fixed by commit 1d88a271a)
It's useful when trying to see what the tests are doing.
I hardcoded '-efile' as the option to strace, but in the future
it might be useful to make this configurable.
It is more accurate to report that the test was skipped rather than
succeeded if we did not get to run it because it requires root.
Tested by running `make check` and inspecting the log file:
$ cat test/udev-test.pl.log
Must have root permissions to run properly.
SKIP test/udev-test.pl (exit status: 77)
The `make check` output also reported:
SKIP: test/udev-test.pl
We now verify the existence of uid's before applying them to devicenodes, so change the
test accordingly. We assume that both uid/gid 1 and 2 exist on the test system.
Evgeny Vereshchagin