From 76424950e373d3b04ac3dd13019151bfba3e8423 Mon Sep 17 00:00:00 2001
From: sumuel <samuel@yakubos.org>
Date: Mon, 17 Aug 2026 20:44:55 +0000
Subject: Add the files

---
 src/detection/host/host_linux.c | 117 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 src/detection/host/host_linux.c

(limited to 'src/detection/host/host_linux.c')

diff --git a/src/detection/host/host_linux.c b/src/detection/host/host_linux.c
new file mode 100644
index 0000000..81418a8
--- /dev/null
+++ b/src/detection/host/host_linux.c
@@ -0,0 +1,117 @@
+#include "host.h"
+#include "common/io.h"
+#include "common/processing.h"
+#include "common/smbios.h"
+
+#include <stdlib.h>
+
+static bool getHostProductName(FFstrbuf* name) {
+    if (ffReadFileBuffer("/sys/firmware/devicetree/base/model", name) ||
+        ffReadFileBuffer("/sys/firmware/devicetree/base/banner-name", name)) {
+        ffStrbufTrimRight(name, '\0');
+        return true;
+    }
+
+    if (ffReadFileBuffer("/tmp/sysinfo/model", name)) {
+        ffStrbufTrimRightSpace(name);
+        ffStrbufTrimRight(name, '\0');
+        if (ffIsSmbiosValueSet(name)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static bool getHostSerialNumber(FFstrbuf* serial) {
+    if (ffReadFileBuffer("/sys/firmware/devicetree/base/smbios/smbios/system/serial", serial) ||
+        ffReadFileBuffer("/sys/firmware/devicetree/base/serial-number", serial)) {
+        ffStrbufTrimRight(serial, '\0');
+        return true;
+    }
+    return false;
+}
+
+static bool getHostProductFamily(FFstrbuf* family) {
+    if (ffReadFileBuffer("/sys/firmware/devicetree/base/smbios/smbios/system/family", family) ||
+        ffReadFileBuffer("/sys/firmware/devicetree/base/smbios/smbios/system/product", family)) {
+        ffStrbufTrimRight(family, '\0');
+        return true;
+    }
+    return false;
+}
+
+static bool getHostVendor(FFstrbuf* vendor) {
+    if (ffReadFileBuffer("/sys/firmware/devicetree/base/smbios/smbios/system/manufacturer", vendor)) {
+        ffStrbufTrimRight(vendor, '\0');
+        return true;
+    }
+    return false;
+}
+
+const char* ffDetectHost(FFHostResult* host) {
+    // This is a hack for Asahi Linux, whose product_family is empty
+    bool productName = ffGetSmbiosValue("/sys/devices/virtual/dmi/id/product_name", "/sys/class/dmi/id/product_name", &host->name);
+    bool productFamily = ffGetSmbiosValue("/sys/devices/virtual/dmi/id/product_family", "/sys/class/dmi/id/product_family", &host->family);
+    if (productName || productFamily) {
+        ffGetSmbiosValue("/sys/devices/virtual/dmi/id/product_version", "/sys/class/dmi/id/product_version", &host->version);
+        ffGetSmbiosValue("/sys/devices/virtual/dmi/id/product_sku", "/sys/class/dmi/id/product_sku", &host->sku);
+        ffGetSmbiosValue("/sys/devices/virtual/dmi/id/product_serial", "/sys/class/dmi/id/product_serial", &host->serial);
+        ffGetSmbiosValue("/sys/devices/virtual/dmi/id/sys_vendor", "/sys/class/dmi/id/sys_vendor", &host->vendor);
+
+#if __x86_64__
+        ffHostDetectMac(host);
+#endif
+
+        // KVM/Qemu virtual machine
+        if (ffStrbufStartsWithS(&host->name, "Standard PC")) {
+            ffStrbufPrependS(&host->name, "KVM/QEMU ");
+        }
+#if __aarch64__
+        else if (host->family.length == 0 && ffStrbufEqualS(&host->vendor, "Apple Inc.") && ffStrbufStartsWithS(&host->name, "Mac")) {
+            // Hack for Asahi Linux
+            ffStrbufDestroy(&host->family);
+            ffStrbufInitMove(&host->family, &host->name);
+            getHostProductName(&host->name);
+            getHostSerialNumber(&host->serial);
+        }
+#endif
+    } else {
+        getHostProductFamily(&host->family);
+        getHostProductName(&host->name);
+        getHostSerialNumber(&host->serial);
+        getHostVendor(&host->vendor);
+    }
+
+    if (host->family.length == 0 && host->name.length == 0) {
+        const char* wslDistroName = getenv("WSL_DISTRO_NAME");
+        // On WSL, the real host can't be detected. Instead use WSL as host.
+        if (wslDistroName != NULL || getenv("WSL_DISTRO") != NULL || getenv("WSL_INTEROP") != NULL) {
+            ffStrbufSetStatic(&host->name, "Windows Subsystem for Linux");
+            if (wslDistroName) {
+                ffStrbufAppendF(&host->name, " - %s", wslDistroName);
+            }
+            ffStrbufSetStatic(&host->family, "WSL");
+            ffStrbufSetStatic(&host->vendor, "Microsoft Corporation");
+
+            if (instance.config.general.detectVersion) {
+                ffProcessAppendStdOut(&host->version, (char* const[]) {
+                                                          "wslinfo",
+                                                          "--wsl-version",
+                                                          "-n",
+                                                          NULL,
+                                                      }); // supported in 2.2.3 and later
+            }
+        } else if (ffStrbufStartsWithS(&instance.state.platform.sysinfo.version, "FreeBSD ")) {
+            ffStrbufSetStatic(&host->name, "Linux Binary Compatibility on FreeBSD");
+            ffStrbufSetStatic(&host->family, "FreeBSD");
+            ffStrbufSetStatic(&host->vendor, "FreeBSD Foundation");
+            if (instance.config.general.detectVersion) {
+                ffStrbufSetS(&host->version, instance.state.platform.sysinfo.version.chars + strlen("FreeBSD "));
+                ffStrbufSubstrBeforeFirstC(&host->version, ' ');
+            }
+        }
+    }
+
+    return NULL;
+}
-- 
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