From fb17999e733ebe920eb33d3a1e5763a8242622ce Mon Sep 17 00:00:00 2001
From: Airi Sezaki <hina@masquerading.agency>
Date: Mon, 11 May 2026 23:00:36 +0300
Subject: [PATCH] cry about it

---
 .github/workflows/test.yml       | 37 +++++++++++++++++++++-----------
 Hauyne.Injector/injector.zig     | 36 +++++++++++++------------------
 Hauyne.Injector/linux/victim.zig |  2 +-
 3 files changed, 40 insertions(+), 35 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4d8f481..2b648fb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -44,36 +44,45 @@ jobs:
       - name: Build victim
         run: dotnet build Hauyne.Victim -c Release -p:TargetFramework=net${{ matrix.dotnet }} --nologo
 
-      - name: Test
+      - name: Configure ptrace
         run: |
           echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
           ulimit -c unlimited
           echo '/tmp/core.%p' | sudo tee /proc/sys/kernel/core_pattern
 
+      - name: Start victim
+        run: |
           rm -f /tmp/Hauyne.txt /tmp/hauyne-victim.pid
-
           dotnet exec Hauyne.Victim/bin/Release/net${{ matrix.dotnet }}/Hauyne.Victim.dll &
           sleep 3
+          echo "VICTIM_PID=$(cat /tmp/hauyne-victim.pid)" >> $GITHUB_ENV
+          echo "Victim PID: $(cat /tmp/hauyne-victim.pid) (net${{ matrix.dotnet }})"
 
-          VICTIM_PID=$(cat /tmp/hauyne-victim.pid)
-          echo "Victim PID: $VICTIM_PID (net${{ matrix.dotnet }})"
-
-          grep -q libhostfxr /proc/$VICTIM_PID/maps
-
+      - name: Inject payload
+        run: |
           HAUYNE_DEBUG=1 ./bin/Hauyne.Injector "$VICTIM_PID" "$PWD/bin/net${{ matrix.dotnet }}/Hauyne.Payload.dll"
+          sleep 2
 
-          sleep 3
-
+      - name: Verify payload loaded
+        run: |
           if [ ! -f /tmp/Hauyne.txt ]; then
-            echo "FUCK! Bootstrap log:"
+            echo "Hauyne.txt missing. Bootstrap:"
             find bin -name 'hauyne.log' -exec cat {} \; 2>/dev/null || true
             exit 1
           fi
           echo "PASS: $(cat /tmp/Hauyne.txt)"
 
-          echo "Waiting 10s to ensure victim survived"
-          sleep 10
+      - name: Verify failure report
+        run: |
+          if ./bin/Hauyne.Injector "$VICTIM_PID" --type Moonyware.NativeEntry 2>&1; then
+            echo "Injector should've failed"
+            exit 1
+          fi
+          echo "PASS: bad type correctly reported failure"
 
+      - name: Verify victim survived
+        run: |
+          sleep 10
           if kill -0 $VICTIM_PID 2>/dev/null; then
             echo "Victim still alive"
           else
@@ -81,7 +90,9 @@ jobs:
             exit 1
           fi
 
-          kill $VICTIM_PID 2>/dev/null || true
+      - name: Cleanup
+        if: always()
+        run: kill $VICTIM_PID 2>/dev/null || true
 
       - name: Backtrace
         if: failure()
diff --git a/Hauyne.Injector/injector.zig b/Hauyne.Injector/injector.zig
index 96d8107..0d50646 100644
--- a/Hauyne.Injector/injector.zig
+++ b/Hauyne.Injector/injector.zig
@@ -88,31 +88,26 @@ pub fn main(init: std.process.Init) u8 {
         return 1;
     };
 
-    if (is_windows) {
+    const payload_ok = if (is_windows) blk: {
         const windows = @import("windows.zig");
-        const payload_ok = windows.inject(allocator, @intCast(pid), bootstrap_path, payload_path, type_name, method_name) catch |err| {
-            std.debug.print("Injection failed: {}\n", .{err});
-            return 1;
-        };
-        if (!payload_ok) {
-            std.debug.print("Injected into PID {d}, but payload failed to load\n", .{pid});
-            printLastLogLine(allocator, bootstrap_path);
-            return 1;
-        }
-    } else if (builtin.os.tag == .linux) {
+        break :blk windows.inject(allocator, @intCast(pid), bootstrap_path, payload_path, type_name, method_name);
+    } else if (builtin.os.tag == .linux) blk: {
         const linux = @import("linux/linux.zig");
-        const payload_ok = linux.inject(io, allocator, @intCast(pid), bootstrap_path, payload_path, type_name, method_name) catch |err| {
-            std.debug.print("Injection failed: {}\n", .{err});
-            return 1;
-        };
-        if (!payload_ok) {
-            std.debug.print("Injected into PID {d}, but payload failed to load\n", .{pid});
-            printLastLogLine(allocator, bootstrap_path);
-            return 1;
-        }
+        break :blk linux.inject(io, allocator, @intCast(pid), bootstrap_path, payload_path, type_name, method_name);
     } else {
         std.debug.print("Unsupported platform\n", .{});
         return 1;
+    };
+
+    const ok = payload_ok catch |err| {
+        std.debug.print("Injection failed: {}\n", .{err});
+        return 1;
+    };
+
+    if (!ok) {
+        std.debug.print("Injected into PID {d}, but payload failed to load\n", .{pid});
+        printLastLogLine(allocator, bootstrap_path);
+        return 1;
     }
 
     println(allocator, "Injected into PID {}\n", .{pid});
@@ -361,7 +356,6 @@ fn isDotNetProcessLinux(io: std.Io, allocator: std.mem.Allocator, pid: u32, inac
     return false;
 }
 
-
 fn isDotNetProcessWindows(pid: u32) bool {
     const windows = std.os.windows;
 
diff --git a/Hauyne.Injector/linux/victim.zig b/Hauyne.Injector/linux/victim.zig
index 429c5cb..dacb33e 100644
--- a/Hauyne.Injector/linux/victim.zig
+++ b/Hauyne.Injector/linux/victim.zig
@@ -5,6 +5,7 @@
 // Mozilla Public License, v. 2.0.
 
 const std = @import("std");
+const procfs = @import("procfs.zig");
 
 const arch = switch (@import("builtin").cpu.arch) {
     .x86_64 => @import("arch/x86_64.zig"),
@@ -31,7 +32,6 @@ pub fn pickVictimThread(io: std.Io, allocator: std.mem.Allocator, tgid: i32) !i3
         const syscall_path = std.fmt.allocPrint(allocator, "/proc/{d}/task/{d}/syscall", .{ tgid, tid }) catch continue;
         defer allocator.free(syscall_path);
 
-        const procfs = @import("procfs.zig");
         const syscall_text = procfs.readFileAlloc(allocator, syscall_path) catch continue;
 
         const trimmed = std.mem.trimEnd(u8, syscall_text, "\n\r \t");