1 files changed, 66 insertions, 0 deletions
diff --git a/src/detection/os/os_haiku.c b/src/detection/os/os_haiku.c
new file mode 100644
index 0000000..e8e9f4a
--- /dev/null
+++ b/src/detection/os/os_haiku.c
@@ -0,0 +1,66 @@
+#include "os.h"
+#include <OS.h>
+#include <image.h>
+#include <inttypes.h>
+
+void ffDetectOSImpl(FFOSResult* os) {
+    ffStrbufSetStatic(&os->name, "Haiku");
+
+    ffStrbufSetStatic(&os->id, "haiku");
+
+    image_info image;
+    int32 cookie = 0;
+    while (get_next_image_info(B_SYSTEM_TEAM, &cookie, &image) == B_OK) {
+        int32 ver = image.api_version;
+        if (ver == 0) {
+            continue;
+        }
+
+        // https://github.com/haiku/haiku/blob/e63683b2fb337d2034059a7e053c170eaf978142/headers/os/BeBuild.h#L36
+        if (ver < B_HAIKU_VERSION_1_ALPHA_1) {
+            switch (ver) {
+                case B_HAIKU_VERSION_BEOS:
+                    ffStrbufSetStatic(&os->version, "BEOS");
+                    break;
+                case B_HAIKU_VERSION_BONE:
+                    ffStrbufSetStatic(&os->version, "BONE");
+                    break;
+                case B_HAIKU_VERSION_DANO:
+                    ffStrbufSetStatic(&os->version, "DANO");
+                    break;
+            }
+        } else {
+            int32 relVer = ver / 0x10000;
+            ver %= 0x10000;
+            if (ver == 0) {
+                ffStrbufSetF(&os->version, "R%" PRIi32, relVer);
+            } else {
+                relVer++;
+
+                bool isPre = !!(ver & 1);
+                if (ver < B_HAIKU_VERSION_1_PRE_BETA_1) {
+                    int32 alphaVer = ver / 0x100;
+                    if (isPre) {
+                        ffStrbufSetF(&os->version, "R%" PRId32 "A%" PRIi32 "-", relVer, alphaVer + 1);
+                    } else {
+                        ffStrbufSetF(&os->version, "R%" PRIi32 "A%" PRIi32, relVer, alphaVer);
+                    }
+                } else if (ver < 0x00010000 /* B_HAIKU_VERSION_1 */) {
+                    int32 betaVer = (ver - B_HAIKU_VERSION_1_ALPHA_4) / 0x100;
+                    if (isPre) {
+                        ffStrbufSetF(&os->version, "R%" PRIi32 "B%" PRIi32 "-", relVer, betaVer + 1);
+                    } else {
+                        ffStrbufSetF(&os->version, "R%" PRIi32 "B%" PRIi32, relVer, betaVer);
+                    }
+                }
+            }
+        }
+    }
+
+    if (!os->version.length) {
+        system_info sys;
+        if (get_system_info(&sys) == B_OK) {
+            ffStrbufAppendF(&os->version, "R%" PRIx64, sys.kernel_version);
+        }
+    }
+}