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D-Bus interfaces can have multiple methods with the same name, as long
as they have different arguments (signature). Currently busctl can call
those methods but when introspecting the interface it just displays
"Duplicate method"
This PR fixes the behavior, by also adding the signature to the hash for
the members set.
Before this patch:
$ busctl introspect org.asamk.Signal /org/asamk/Signal
Invalid introspection data: duplicate method 'sendMessage' on interface 'org.asamk.Signal'.
After this patch:
$ busctl introspect org.asamk.Signal /org/asamk/Signal
NAME TYPE SIGNATURE RESULT/VALUE FLAGS
org.asamk.Signal interface - - -
.sendMessage method as x -
.sendMessage method s x -
Calling the methods already works as expected, as the user must specify
the signature explicitely:
busctl --user call org.asamk.Signal /org/asamk/Signal org.asamk.Signal sendMessage "as" 2 foo bar
busctl --user call org.asamk.Signal /org/asamk/Signal org.asamk.Signal sendMessage "s" foo
$ busctl --xml introspect org.asamk.Signal /org/asamk/Signal
<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node name="/org/asamk/Signal">
<interface name="org.asamk.Signal">
<method name="sendMessage" >
<arg type="as" direction="in"/>
<arg type="x" direction="out"/>
</method>
<method name="sendMessage" >
<arg type="s" direction="in"/>
<arg type="x" direction="out"/>
</method>
<interface name="org.freedesktop.DBus.Introspectable">
<method name="Introspect">
<arg type="s" direction="out"/>
</method>
</interface>
<interface name="org.freedesktop.DBus.Peer">
<method name="Ping">
</method>
</interface>
</node>
On certain systems the `install_libnss()` function might end up with an
empty list of libraries to install, which triggers an assertion in
`image_install()`:
```
I: Install libnss
..//test-functions: line 2721: 1: parameter null or not set
make: *** [Makefile:4: setup] Error 1
```
E.g.:
```
# LD_DEBUG=files getent passwd 2>&1 >/dev/null | sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}'
/lib64/libnss_sss.so.2
/lib64/libnss_systemd.so.2
# dnf -y remove sssd-client systemd-libs
# LD_DEBUG=files getent passwd 2>&1 >/dev/null | sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}'
<no output>
```
Let's handle this case gracefully.
Until now using the INTERACTIVE_DEBUG=yes stuff together with sanitizers
was almost impossible, since the console kept eating up our inputs or
not responding at all. After a painful day of debugging I noticed that
if we use a shell script in the initrd -> root transition, we might end up
with a plymouthd still running, which kept screwing with the tty.
E.g. with initrd -> wrapper -> systemd transition, where the `wrapper`
is a simple script:
```
exec -- /usr/lib/systemd/systemd "$@"
```
we'd end up with a stray plymouthd process after the bootup:
```
1 0 440 2 20 0 0 0 worker I ? 0:00 [kworker/5:2-ata_sff]
1 0 453 2 20 0 0 0 worker I ? 0:00 [kworker/9:2-rcu_gp]
5 0 456 1 20 0 7252 1960 do_epo S ? 0:00 @usr/sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
```
After killing it, the tty works finally as expected.
The loading of an extension image from a symlink "NAME.raw" to
"NAME-VERSION.raw" failed because the release file name check worked
with the backing file of the loop device which already resolves the
symlink and thus the found name "NAME-VERSION" mismatched "NAME".
Pass the original filename and use it instead of the backing file
when available. This fixes the loading of "NAME.raw" extensions which
are a symlink to "NAME-VERSION.raw" as, e.g., may be the case when
systemd-sysupdate manages multiple versions.
Fixes https://github.com/systemd/systemd/issues/24293
rootidmap bind option will map the root user from the container to the
owner of the mounted directory on the filesystem. This will ensure files
and directories created by the root user in the container will be owned
by the directory owner on the filesystem. All other user will remain
unmapped.
This enum should be used to define various idmapping modes for bind
mounts which might be incompatible. Changing its name and the values
name to reflect that.
This also fixes a leak of lock_fd, which introduced by
7f52206a2b, when fd is for a block device,
and size or offset is non-zero.
Fixes another issue in #24147.
If multiple service is starting simultaneously with a shared image,
then one of the service may fail to create a mount node:
systemd[695]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
systemd[696]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
systemd[695]: Failed to mount /usr/lib/os-release (type n/a) on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC ""): No such file or directory
systemd[696]: Failed to mount /usr/lib/os-release (type n/a) on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC ""): No such file or directory
systemd[695]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
systemd[696]: Failed to create destination mount point node '/run/systemd/unit-root/run/host/os-release': Operation not permitted
systemd[695]: Successfully mounted /usr/lib/os-release to /run/systemd/unit-root/run/host/os-release
The function apply_one_mount() in src/core/namespace.c gracefully
handles -EEXIST from make_mount_point_inode_from_path(), but it erroneously
returned -EPERM previously. This fixes the issue.
Fixes one of the issues in #24147, especially reported at
https://github.com/systemd/systemd/issues/24147#issuecomment-1236194671.
