| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | README.md | 15 | ||||
| -rw-r--r-- | selinux/kiwi-rpm-script.te | 39 |
3 files changed, 55 insertions, 1 deletions
@@ -1,2 +1,4 @@ outdir-build/ outdir/ +selinux/*.pp +selinux/*.mod @@ -17,7 +17,7 @@ I bought this device as I viewed it as a great Linux GNOME tablet, but after sev **The compiled ISOs can be downloaded [here](https://dist.sayag.it/fedora/45/aarch64).** -This KIWI project is built mainly on the base of Fedora Workstation 45 (Pre-release) LiveCD ISO. Trying a stable version (the latest is Fedora 44 at the time of writing this) is possible, but not tested for now. +This KIWI project is built mainly on the base of Fedora Workstation 45 LiveCD ISO. If you want to compile this image manually, **the build arch must be `aarch64`**. It means that if you are on an `amd64` machine, you would have to use aarch64 instructions emulation tools like `binfmt`. Unfortunately, such a tool will drastically increase the compilation time. @@ -34,6 +34,19 @@ To build this on Fedora Linux: []$ sudo ./kiwi-build --kiwi-file=Fedora.kiwi --image-type=iso --image-profile=Workstation-Live --output-dir ./outdir ``` +### SELinux issues + +In the combo of kiwi-ng 11.1.1 and rpm 6.1.0 (latest versions in Fedora 45 by November 5th 2026), rpm runs %sysusers scriptlets through an exec content of rpm_script_t, and with kiwi.te having no such grant, the host enforcement denies the domain transition, resulting in `setup` pkg, and many more, not getting installed inside the build environment. + +To fix the issue, reproduce rpm_transition_script for the kiwi domain. There is a script to do exactly this in `selinux/` domain. Do this to proceed with ISO build: + +```bash +cd selinux +checkmodule -M -m -o kiwi-rpm-script.mod kiwi-rpm-script.te +semodule_package -o kiwi-rpm-script.pp -m kiwi-rpm-script.mod +sudo semodule -i kiwi-rpm-script.pp +``` + ## Feature matrix | Hardware | State | Nuances | diff --git a/selinux/kiwi-rpm-script.te b/selinux/kiwi-rpm-script.te new file mode 100644 index 0000000..af2444a --- /dev/null +++ b/selinux/kiwi-rpm-script.te @@ -0,0 +1,39 @@ +# Host-side SELinux fix for building with kiwi-ng 11.1.1 on Fedora (kiwi-selinux). +# +# kiwi-selinux installs a policy that runs /usr/bin/kiwi-ng in the kiwi_t +# domain. rpm 6.1 runs %sysusers scriptlets with an rpm_script_t exec +# context (fedora-selinux rpm_transition_script()). kiwi.te never grants +# that transition, so every sysusers scriptlet dies with exit status 127 +# ("command not found" from the exec failure), which is what breaks the +# bootstrap transaction: setup-* fails, /etc/passwd and /etc/group are never +# created, and all later user/group lookups fail. +# +# This module reproduces fedora's rpm_transition_script(kiwi_t, unconfined_r) +# for the kiwi domain. Not part of the image build - install it on the host: +# +# checkmodule -M -m -o kiwi-rpm-script.mod kiwi-rpm-script.te +# semodule_package -o kiwi-rpm-script.pp -m kiwi-rpm-script.mod +# sudo semodule -i kiwi-rpm-script.pp + +module kiwi-rpm-script 1.0; + +require { + type kiwi_t; + type rpm_script_t; + attribute rpm_transition_domain; + attribute_role rpm_script_roles; + role unconfined_r; + class process { transition sigchld }; + class fd use; + class fifo_file { read write getattr ioctl }; +} + +# rpm_transition_script(), expanded for kiwi_t / unconfined_r +typeattribute kiwi_t rpm_transition_domain; +roleattribute unconfined_r rpm_script_roles; + +allow kiwi_t rpm_script_t:process transition; +allow kiwi_t rpm_script_t:fd use; +allow rpm_script_t kiwi_t:fd use; +allow rpm_script_t kiwi_t:fifo_file { read write getattr ioctl }; +allow rpm_script_t kiwi_t:process sigchld; |