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Modify type for /etc/hostname 

hostnamectl updates /etc/hostname
This change is setting the type for the file /etc/hostname to
net_conf_t and granting hostnamectl permission to edit this file.
Note that hostnamectl is initially creating a new file .#hostname*
which is why the create permissions are requied.

type=AVC msg=audit(1547039052.041:563): avc:  denied  { write } for  pid=7564 comm="systemd-hostnam" name="etc" dev="dm-1" ino=101 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1547039052.041:563): avc:  denied  { add_name } for  pid=7564 comm="systemd-hostnam" name=".#hostnamezyqZ9t" scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1547039052.041:563): avc:  denied  { create } for  pid=7564 comm="systemd-hostnam" name=".#hostnamezyqZ9t" scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1
type=AVC msg=audit(1547039052.041:563): avc:  denied  { write } for  pid=7564 comm="systemd-hostnam" path="/etc/.#hostnamezyqZ9t" dev="dm-1" ino=1094726 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1
type=SYSCALL msg=audit(1547039052.041:563): arch=c000003e syscall=2 success=yes exit=8 a0=560d0bba34b0 a1=800c2 a2=180 a3=5c35f14c items=2 ppid=1 pid=7564 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="systemd-hostnam" exe="/usr/lib/systemd/systemd-hostnamed" subj=system_u:system_r:systemd_hostnamed_t:s0 key=(null)
type=AVC msg=audit(1547039052.041:564): avc:  denied  { setattr } for  pid=7564 comm="systemd-hostnam" name=".#hostnamezyqZ9t" dev="dm-1" ino=1094726 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1
type=SYSCALL msg=audit(1547039052.041:564): arch=c000003e syscall=91 success=yes exit=0 a0=8 a1=1a4 a2=fbad2484 a3=24 items=1 ppid=1 pid=7564 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="systemd-hostnam" exe="/usr/lib/systemd/systemd-hostnamed" subj=system_u:system_r:systemd_hostnamed_t:s0 key=(null)
type=AVC msg=audit(1547039052.041:565): avc:  denied  { remove_name } for  pid=7564 comm="systemd-hostnam" name=".#hostnamezyqZ9t" dev="dm-1" ino=1094726 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1547039052.041:565): avc:  denied  { rename } for  pid=7564 comm="systemd-hostnam" name=".#hostnamezyqZ9t" dev="dm-1" ino=1094726 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1
type=AVC msg=audit(1547039052.041:565): avc:  denied  { unlink } for  pid=7564 comm="systemd-hostnam" name="hostname" dev="dm-1" ino=1094712 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1

Signed-off-by: Dave Sugar <dsugar@tresys.com>
This commit is contained in:
Sugar, David 2019-01-15 03:20:29 +00:00 committed by Chris PeBenito
parent 34e3505004
commit 69961e18a8
2 changed files with 4 additions and 0 deletions
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1
policy/modules/system/sysnetwork.fc
View File

@ -18,6 +18,7 @@ ifdef(`distro_debian',`
/etc/hosts -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/hosts\.allow.* -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/hosts\.deny.* -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/hostname -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/denyhosts.* -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/resolv\.conf.* -- gen_context(system_u:object_r:net_conf_t,s0)
/etc/yp\.conf.* -- gen_context(system_u:object_r:net_conf_t,s0)

3
policy/modules/system/systemd.te
View File

@ -335,6 +335,9 @@ files_read_etc_files(systemd_hostnamed_t)
seutil_read_file_contexts(systemd_hostnamed_t)
sysnet_etc_filetrans_config(systemd_hostnamed_t)
sysnet_manage_config(systemd_hostnamed_t)
systemd_log_parse_environment(systemd_hostnamed_t)
optional_policy(`