test-execute: add tests with user/group daemon

The nobody user/group may not synthesized by systemd.
To run tests the functionalities in such situation, this adds tests
by user/group by daemon, as it is expected to exists all environments.

test/test-execute/exec-capabilityambientset-merge-nobody.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Test for AmbientCapabilities
+
+[Service]
+ExecStart=/bin/sh -x -c 'c=$$(grep "CapAmb:" /proc/self/status); test "$$c" = "CapAmb:	0000000000003000"'
+Type=oneshot
+User=nobody
+AmbientCapabilities=CAP_NET_ADMIN
+AmbientCapabilities=CAP_NET_RAW

test/test-execute/exec-capabilityambientset-merge.service

@@ -1,9 +1,9 @@
 [Unit]
-Description=Test for AmbientCapabilities
+Description=Test for AmbientCapabilities (daemon)
 
 [Service]
 ExecStart=/bin/sh -x -c 'c=$$(grep "CapAmb:" /proc/self/status); test "$$c" = "CapAmb:	0000000000003000"'
 Type=oneshot
-User=nobody
+User=daemon
 AmbientCapabilities=CAP_NET_ADMIN
 AmbientCapabilities=CAP_NET_RAW

test/test-execute/exec-capabilityambientset-nobody.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=Test for AmbientCapabilities
+
+[Service]
+ExecStart=/bin/sh -x -c 'c=$$(grep "CapAmb:" /proc/self/status); test "$$c" = "CapAmb:	0000000000003000"'
+Type=oneshot
+User=nobody
+AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW

test/test-execute/exec-capabilityambientset.service

@@ -1,8 +1,8 @@
 [Unit]
-Description=Test for AmbientCapabilities
+Description=Test for AmbientCapabilities (daemon)
 
 [Service]
 ExecStart=/bin/sh -x -c 'c=$$(grep "CapAmb:" /proc/self/status); test "$$c" = "CapAmb:	0000000000003000"'
 Type=oneshot
-User=nobody
+User=daemon
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW

test/test-execute/exec-group-nobody.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Test for Group
+
+[Service]
+ExecStart=/bin/sh -x -c 'test "$$(id -n -g)" = "nobody"'
+Type=oneshot
+Group=nobody

test/test-execute/exec-group.service

@@ -1,7 +1,7 @@
 [Unit]
-Description=Test for Group
+Description=Test for Group (daemon)
 
 [Service]
-ExecStart=/bin/sh -x -c 'test "$$(id -n -g)" = "nobody"'
+ExecStart=/bin/sh -x -c 'test "$$(id -n -g)" = "daemon"'
 Type=oneshot
-Group=nobody
+Group=daemon

test/test-execute/exec-runtimedirectory-owner-nobody.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Test for RuntimeDirectory owner (must not be the default group of the user if Group is set)
+
+[Service]
+ExecStart=/bin/sh -x -c 'group=$$(stat -c %%G %t/test-exec_runtimedirectory-owner); test "$$group" = "nobody"'
+Type=oneshot
+Group=nobody
+User=root
+RuntimeDirectory=test-exec_runtimedirectory-owner

test/test-execute/exec-runtimedirectory-owner.service

@@ -2,8 +2,8 @@
 Description=Test for RuntimeDirectory owner (must not be the default group of the user if Group is set)
 
 [Service]
-ExecStart=/bin/sh -x -c 'group=$$(stat -c %%G %t/test-exec_runtimedirectory-owner); test "$$group" = "nobody"'
+ExecStart=/bin/sh -x -c 'group=$$(stat -c %%G %t/test-exec_runtimedirectory-owner-daemon); test "$$group" = "daemon"'
 Type=oneshot
-Group=nobody
+Group=daemon
 User=root
-RuntimeDirectory=test-exec_runtimedirectory-owner
+RuntimeDirectory=test-exec_runtimedirectory-owner-daemon

test/test-execute/exec-systemcallfilter-system-user-nobody.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Test for SystemCallFilter in system mode with User set
+
+[Service]
+ExecStart=/bin/sh -c 'echo "Foo bar"'
+Type=oneshot
+User=nobody
+SystemCallFilter=~read write open execve ioperm
+SystemCallFilter=ioctl
+SystemCallFilter=read write open execve
+SystemCallFilter=~ioperm

test/test-execute/exec-systemcallfilter-system-user.service

@@ -1,10 +1,10 @@
 [Unit]
-Description=Test for SystemCallFilter in system mode with User set
+Description=Test for SystemCallFilter in system mode with User set (daemon)
 
 [Service]
 ExecStart=/bin/sh -c 'echo "Foo bar"'
 Type=oneshot
-User=nobody
+User=daemon
 SystemCallFilter=~read write open execve ioperm
 SystemCallFilter=ioctl
 SystemCallFilter=read write open execve

test/test-execute/exec-user-nobody.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Test for User
+
+[Service]
+ExecStart=/bin/sh -x -c 'test "$$USER" = "nobody"'
+Type=oneshot
+User=nobody

test/test-execute/exec-user.service

@@ -1,7 +1,7 @@
 [Unit]
-Description=Test for User
+Description=Test for User (daemon)
 
 [Service]
-ExecStart=/bin/sh -x -c 'test "$$USER" = "nobody"'
+ExecStart=/bin/sh -x -c 'test "$$USER" = "daemon"'
 Type=oneshot
-User=nobody
+User=daemon