Add ldd --version check for Linux (#10)

4 files changed, 96 insertions, 2 deletions

diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index d3086e2f..38acf069 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -6,6 +6,8 @@ mod platform_specific;
 #[cfg(target_os = "windows")]
 use platform_specific::windows;
 
+use platform_specific::linux;
+
 use serde::{Deserialize, Serialize};
 use sysinfo::SystemExt;
 use zip::ZipArchive;
@@ -40,6 +42,21 @@ pub fn check_mod_version_number(path_to_mod_folder: String) -> Result<String, an
     Ok(mod_version_number.to_string())
 }
 
+// I intend to add more linux related stuff to check here, so making a func
+// for now tho it only checks `ldd --version`
+// - salmon
+
+pub fn linux_checks_librs() -> bool {
+    let mut linux_compatible: bool = true; // a variable that starts true and will be set to false if any of the checks arent met
+
+    // check `ldd --version` to see if glibc is up to date for northstar proton
+    let lddv = linux::check_glibc_v();
+    if lddv < 2.33 { linux_compatible = false };
+
+    return linux_compatible;
+}
+
+
 /// Attempts to find the game install location
 pub fn find_game_install_location() -> Result<GameInstall, anyhow::Error> {
     // Attempt parsing Steam library directly
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 9cbef850..a33f836c 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -13,7 +13,7 @@ use app::{
     check_is_flightcore_outdated, check_is_valid_game_path, check_northstar_running,
     check_origin_running, convert_release_candidate_number, find_game_install_location,
     get_enabled_mods, get_host_os, get_log_list, get_northstar_version_number, install_northstar,
-    launch_northstar, set_mod_enabled_status, GameInstall,
+    launch_northstar, set_mod_enabled_status, GameInstall, linux_checks_librs
 };
 
 mod repair_and_verify;
@@ -87,7 +87,8 @@ fn main() {
             get_enabled_mods_caller,
             set_mod_enabled_status_caller,
             disable_all_but_core_caller,
-            is_debug_mode
+            is_debug_mode,
+            linux_checks
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
@@ -118,6 +119,16 @@ fn is_debug_mode() -> bool {
 }
 
 #[tauri::command]
+/// Returns true if linux compatible
+fn linux_checks() -> bool {
+    if get_host_os() == "windows" { 
+        false
+    } else {
+        linux_checks_librs()
+    }
+}
+
+#[tauri::command]
 /// Returns the current version number as a string
 fn get_version_number() -> String {
     let version = env!("CARGO_PKG_VERSION");
diff --git a/src-tauri/src/platform_specific/linux.rs b/src-tauri/src/platform_specific/linux.rs
new file mode 100644
index 00000000..a6d37f22
--- /dev/null
+++ b/src-tauri/src/platform_specific/linux.rs
@@ -0,0 +1,63 @@
+// Linux specific code
+
+use std::process::Command;
+use regex::Regex;
+
+pub fn check_glibc_v() -> f32 {
+    let out = Command::new("/bin/ldd")
+        .arg("--version")
+        .output()
+        .expect("failed to run 'ldd --version'");
+    
+    // parse the output down to just the first line
+    let lddva = String::from_utf8_lossy(&out.stdout);
+    let lddvl: Vec<&str> = lddva.split('\n').collect();
+    let lddvlo = &lddvl[0];
+    let reg = Regex::new(r"(2.\d{2}$)").unwrap();
+    for caps in reg.captures_iter(lddvlo) {
+        return caps.get(1).unwrap().as_str().parse::<f32>().unwrap(); // theres prolly a better way ijdk how tho
+    }
+    return 0.0; // this shouldnt ever be reached but it has to be here
+}
+
+/*
+Outputs of ldd --verssion from distros, all we care about is the first line so trimmed, also removed all duplicates
+Thanks tony
+Distros not included: AmazonLinux, Gentoo, Kali, Debian before 11, Oracle Linux, Scientific Linux, Slackware, Mageia, Neurodebian, RHEL 8 and 9 (Same as AlmaLinux), RockyLinux (Same as AlmaLinux), Ubuntu before 20.04
+
+AlmaLinux 8
+ldd (GNU libc) 2.35
+
+Centos Stream 8
+ldd (GNU libc) 2.28
+
+Centos Stream 9
+ldd (GNU libc) 2.34
+
+Centos 7
+ldd (GNU libc) 2.17
+
+Debian 11
+ldd (Debian GLIBC 2.31-13+deb11u4) 2.31
+
+Debian Testing
+ldd (Debian GLIBC 2.35-1) 2.35
+
+Debian Unstable
+ldd (Debian GLIBC 2.35-3) 2.35
+
+Fedora 37
+ldd (GNU libc) 2.36
+
+Opensuse Leap
+ldd (GNU libc) 2.31
+
+Ubuntu 20.04
+ldd (Ubuntu GLIBC 2.31-0ubuntu9.9) 2.31
+
+Ubuntu 22.04
+ldd (Ubuntu GLIBC 2.35-0ubuntu3.1) 2.35
+
+Ubuntu 22.10
+ldd (Ubuntu GLIBC 2.36-0ubuntu2) 2.36
+*/
diff --git a/src-tauri/src/platform_specific/mod.rs b/src-tauri/src/platform_specific/mod.rs
index 581af77f..21cac9c2 100644
--- a/src-tauri/src/platform_specific/mod.rs
+++ b/src-tauri/src/platform_specific/mod.rs
@@ -1,2 +1,5 @@
 #[cfg(target_os = "windows")]
 pub mod windows;
+
+pub mod linux;
+