1 files changed, 105 insertions, 0 deletions
diff --git a/src/detection/os/os_apple.m b/src/detection/os/os_apple.m
new file mode 100644
index 0000000..2890fc3
--- /dev/null
+++ b/src/detection/os/os_apple.m
@@ -0,0 +1,105 @@
+#include "os.h"
+#include "common/io.h"
+#include "common/sysctl.h"
+#include "common/strutil.h"
+#include "common/mallocHelper.h"
+
+#include <stdlib.h>
+#include <string.h>
+#import <Foundation/Foundation.h>
+
+static bool parseSystemVersion(FFOSResult* os)
+{
+    NSError* error;
+    NSString* fileName = @"file:///System/Library/CoreServices/SystemVersion.plist";
+    NSDictionary* dict = [NSDictionary dictionaryWithContentsOfURL:[NSURL URLWithString:fileName]
+                                       error:&error];
+    if(error)
+        return false;
+
+    NSString* value;
+
+    if((value = dict[@"ProductName"]))
+        ffStrbufInitS(&os->name, value.UTF8String);
+    if((value = dict[@"ProductUserVisibleVersion"]))
+        ffStrbufInitS(&os->version, value.UTF8String);
+    if((value = dict[@"ProductBuildVersion"]))
+        ffStrbufInitS(&os->buildID, value.UTF8String);
+    if (ffStrbufStartsWithS(&os->version, "16."))
+    {
+        // macOS 26 Tahoe. #1809
+        os->version.chars[0] = '2';
+    }
+
+    return true;
+}
+
+static bool detectOSCodeName(FFOSResult* os)
+{
+    // https://en.wikipedia.org/wiki/MacOS_version_history
+    char* str_end;
+    const char* version = os->version.chars;
+    unsigned long num = strtoul(version, &str_end, 10);
+    if (str_end == version) return false;
+
+    switch (num)
+    {
+        case 26:
+        case 16: ffStrbufSetStatic(&os->codename, "Tahoe"); return true;
+        case 15: ffStrbufSetStatic(&os->codename, "Sequoia"); return true;
+        case 14: ffStrbufSetStatic(&os->codename, "Sonoma"); return true;
+        case 13: ffStrbufSetStatic(&os->codename, "Ventura"); return true;
+        case 12: ffStrbufSetStatic(&os->codename, "Monterey"); return true;
+        case 11: ffStrbufSetStatic(&os->codename, "Big Sur"); return true;
+        case 10: {
+            version = str_end + 1;
+            num = strtoul(version, &str_end, 10);
+            if (str_end == version) return false;
+
+            switch (num)
+            {
+                case 16: ffStrbufSetStatic(&os->codename, "Big Sur"); return true;
+                case 15: ffStrbufSetStatic(&os->codename, "Catalina"); return true;
+                case 14: ffStrbufSetStatic(&os->codename, "Mojave"); return true;
+                case 13: ffStrbufSetStatic(&os->codename, "High Sierra"); return true;
+                case 12: ffStrbufSetStatic(&os->codename, "Sierra"); return true;
+                case 11: ffStrbufSetStatic(&os->codename, "El Capitan"); return true;
+                case 10: ffStrbufSetStatic(&os->codename, "Yosemite"); return true;
+                case 9: ffStrbufSetStatic(&os->codename, "Mavericks"); return true;
+                case 8: ffStrbufSetStatic(&os->codename, "Mountain Lion"); return true;
+                case 7: ffStrbufSetStatic(&os->codename, "Lion"); return true;
+                case 6: ffStrbufSetStatic(&os->codename, "Snow Leopard"); return true;
+                case 5: ffStrbufSetStatic(&os->codename, "Leopard"); return true;
+                case 4: ffStrbufSetStatic(&os->codename, "Tiger"); return true;
+                case 3: ffStrbufSetStatic(&os->codename, "Panther"); return true;
+                case 2: ffStrbufSetStatic(&os->codename, "Jaguar"); return true;
+                case 1: ffStrbufSetStatic(&os->codename, "Puma"); return true;
+                case 0: ffStrbufSetStatic(&os->codename, "Cheetah"); return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void ffDetectOSImpl(FFOSResult* os)
+{
+    parseSystemVersion(os);
+
+    ffStrbufSetStatic(&os->id, "macos");
+
+    if(__builtin_expect(os->name.length == 0, 0))
+        ffStrbufSetStatic(&os->name, "macOS");
+
+    if(__builtin_expect(os->version.length == 0, 0))
+        ffSysctlGetString("kern.osproductversion", &os->version);
+
+    if(__builtin_expect(os->buildID.length == 0, 0))
+        ffSysctlGetString("kern.osversion", &os->buildID);
+
+    ffStrbufAppend(&os->versionID, &os->version);
+
+    detectOSCodeName(os);
+
+    ffStrbufSetF(&os->prettyName, "%s %s %s (%s)", os->name.chars, os->codename.chars, os->version.chars, os->buildID.chars);
+}