From b0cc20730986c250caf49ecb457230a87b3255d4 Mon Sep 17 00:00:00 2001
From: Vladimir Orlinski <contact.github.submerge594@slmails.com>
Date: Wed, 7 Jan 2026 09:34:00 +0100
Subject: [PATCH] build: Standardize service binary paths, refine Debian
 package dependencies, and improve post-installation setup.

---
 CMakeLists.txt              | 12 +++++++-----
 debian/postinst             | 10 +++++++---
 scripts/linuxcampam.service |  4 ++--
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 721201bf..50cab39c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,6 +146,10 @@ install(PROGRAMS ${CMAKE_SOURCE_DIR}/scripts/setup_config.sh
     RENAME linuxcampam-setup-config
 )
 
+install(PROGRAMS ${CMAKE_SOURCE_DIR}/scripts/detect_opencl.sh
+    DESTINATION bin
+)
+
 # --- CPack Packaging ---
 set(CPACK_PACKAGE_NAME "linuxcampam")
 set(CPACK_PACKAGE_VENDOR "Vladimir Orlinski")
@@ -155,11 +159,9 @@ set(CPACK_PACKAGE_CONTACT "contact.github.submerge594@slmails.com")
 set(CPACK_DEBIAN_PACKAGE_MAINTAINER "Vladimir Orlinski")
 
 set(CPACK_GENERATOR "DEB")
-set(CPACK_DEBIAN_PACKAGE_DEPENDS "libopencv-core406 | libopencv-core-dev, libopencv-imgproc406, libopencv-objdetect406, libopencv-dnn406, libpam0g, libc6, libstdc++6, v4l-utils")
-# Note: Dependencies above are slightly generic, auto-shlibdeps is often handled by specialized toolchains, but CPack DEB needs manual or CMAKE_INSTALL_RPATH hint. 
-# For Ubuntu 24.04, opencv might be 4.6+ or similar. "libopencv-dev" is strict.
-# A safer minimal set:
-set(CPACK_DEBIAN_PACKAGE_DEPENDS "libopencv-dev (>= 4.0), libpam0g, libpam-runtime, v4l-utils, systemd, bash")
+# Runtime dependencies (not -dev packages) for Ubuntu 24.04
+# OpenCV 4.6 runtime libs, PAM, and utilities
+set(CPACK_DEBIAN_PACKAGE_DEPENDS "libopencv-core406t64, libopencv-imgproc406t64, libopencv-objdetect406t64, libopencv-dnn406t64, libopencv-videoio406t64, libopencv-photo406t64, libpam0g, libpam-runtime, v4l-utils, systemd")
 
 set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_SOURCE_DIR}/debian/postinst")
 
diff --git a/debian/postinst b/debian/postinst
index 39358453..b3066ee4 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -18,9 +18,13 @@ if [ "$1" = "configure" ]; then
         rm -rf /root/.cache/opencv
     fi
     
+    # Create required directories if missing
+    mkdir -p /etc/linuxcampam/users
+    mkdir -p /etc/linuxcampam/models
+    
     # Ensure rights
     # Users directory contains biometric embeddings - restrict to root
-    chmod 700 /etc/linuxcampam/users || true
+    chmod 700 /etc/linuxcampam/users
     chmod 755 /etc/linuxcampam/models
     
     # Run Camera Config Detection
@@ -69,8 +73,8 @@ if [ "$1" = "configure" ]; then
     # Reload systemd and restart service if running
     if [ -d /run/systemd/system ]; then
         systemctl daemon-reload
-        systemctl enable linuxcampam
-        systemctl restart linuxcampam || true
+        systemctl enable linuxcampam.service || true
+        systemctl restart linuxcampam.service || true
     fi
     
     echo "LinuxCamPAM installed."
diff --git a/scripts/linuxcampam.service b/scripts/linuxcampam.service
index 6c7a4746..12e254e5 100644
--- a/scripts/linuxcampam.service
+++ b/scripts/linuxcampam.service
@@ -3,8 +3,8 @@ Description=LinuxCamPAM Facial Authentication Service
 After=network.target
 
 [Service]
-ExecStartPre=-/usr/local/bin/linux-enable-ir-emitter run
-ExecStart=/usr/local/bin/detect_opencl.sh /usr/local/bin/linuxcampamd
+ExecStartPre=-/usr/bin/linux-enable-ir-emitter run
+ExecStart=/usr/bin/detect_opencl.sh /usr/bin/linuxcampamd
 Restart=always
 User=root
 Group=root