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fix: remove all systemd capability restrictions blocking package management
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- Remove CapabilityBoundingSet and AmbientCapabilities (apt needs full root capabilities)
- Remove ReadWritePaths (unnecessary without ProtectSystem=strict)
- Fix E2E test: properly FAIL on status=failed package operations
- Fix E2E test: require status=completed for install/update/remove lifecycle
- Update dpkg packaging service file to match configs/
- Bump version to 0.3.5
This commit is contained in:
Echo
2026-05-03 04:13:50 +00:00
parent de7ec9905f
commit 6ba708abb1
6 changed files with 64 additions and 79 deletions
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19
configs/linux-patch-api.service
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@ -17,16 +17,17 @@ RuntimeDirectory=linux-patch-api
RuntimeDirectoryMode=0755
# Security hardening
# Allow reboot capability for scheduled reboots
CapabilityBoundingSet=CAP_SYS_BOOT
AmbientCapabilities=CAP_SYS_BOOT
# ProtectSystem removed - package management requires write access to /usr, /etc, /lib
# Network security provided by mTLS + IP whitelist
# NOTE: Package management requires extensive system access. The following
# restrictions have been removed because they block core functionality:
# - ProtectSystem=strict: Blocks writes to /usr, /etc, /lib where packages install
# - NoNewPrivileges: Blocks sudo/setuid which apt needs for _apt sandbox
# - RestrictSUIDSGID: Blocks setuid/setgid which apt needs for _apt sandbox
# - CapabilityBoundingSet: Drops capabilities that apt needs (SETUID, SETGID, CHOWN, etc.)
# - AmbientCapabilities: Same issue as CapabilityBoundingSet
# Network security is provided by mTLS + IP whitelist. The service runs as root
# and MUST be able to install/remove/update packages system-wide.
ProtectHome=true
# ReadWritePaths kept as documentation reference for apt/dpkg paths
ReadWritePaths=/var/lib/linux_patch_api /var/log/linux_patch_api /var/cache/apt /var/lib/apt /var/lib/dpkg /var/log/apt
PrivateTmp=true
PrivateDevices=true
ProtectHostname=true
ProtectClock=true
ProtectKernelTunables=true
@ -36,8 +37,6 @@ RestrictNamespaces=true
LockPersonality=true
MemoryDenyWriteExecute=false
RestrictRealtime=true
# RestrictSUIDSGID removed - package management requires setuid/setgid for apt/dpkg
RemoveIPC=true
# System call filtering (whitelist approach)
SystemCallFilter=@system-service