ci: added compile test

.github/workflows/push.yml

@@ -0,0 +1,34 @@
+name: create-bin
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+            submodules: recursive
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang llvm libelf-dev gcc-multilib linux-headers-$(uname -r) build-essential
+      - name: Setting up libbpf
+        run: |
+          make -C lib/libbpf/src
+          sudo make -C lib/libbpf/src install
+      - name: Compile
+        run: |
+          make
+      - name: Archive production artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: evilbpf-bin-${{ github.sha }}
+          path: |
+            dst

.github/workflows/release.yml

@@ -0,0 +1,51 @@
+name: Release
+
+on:
+  push:
+    tags:
+    - 'v*'
+
+jobs:
+  build:
+    permissions: 
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+            submodules: recursive
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang llvm libelf-dev gcc-multilib linux-headers-$(uname -r) build-essential
+      - name: Setting up libbpf
+        run: |
+          make -C lib/libbpf/src
+          sudo make -C lib/libbpf/src install
+      - name: Compile
+        run: |
+          make
+      - name: Zipping artifacts
+        run: |
+          zip -r evilbpf-${{ github.ref_name }}.zip dst
+      - name: Create release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref_name }}
+          release_name: Release ${{ github.ref_name }}
+          draft: false
+          prerelease: false
+      - name: Upload release asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./evilbpf-${{ github.ref_name }}.zip
+          asset_name: evilbpf-${{ github.ref_name }}.zip
+          asset_content_type: application/zip

Makefile

@@ -1,6 +1,6 @@
 
 all:
-	find . -mindepth 2 -name libbpf -prune -o -name Makefile -execdir make release \;
+	find . -mindepth 2 -name libbpf -prune -o -name Makefile -execdir make release \; || exit 1
 
 clean:
 	find . -mindepth 2 -name libbpf -prune -o -name Makefile -execdir make clean \;

src/icmp_pingback/README.md

@@ -12,7 +12,3 @@ All versions kinda based on the same code, but each one adds a way to load or us
 | ------- | ----------- |
 | [minimum](minimum) | The bare minimum to get a working XDP program. (no maps, no skel) |
 | [maps](maps) | Adds a map to the program to enable/disable the pingback service on runtime. |
-
-> [!NOTE]
-> On my dev machine, my `vmlinux.h` file is generated without the `xdp_md` struct. I for now have no idea why this is the case, but I've found a workaround by simply
-> redefining the `xdp_md` struct in the application code. This is not ideal, but it works for now. (You may need to remove it if you are not facing this issue)

src/icmp_pingback/maps/bpf_helper.h

@@ -35,18 +35,6 @@ static inline void csum_replace(uint16_t *sum, uint16_t old, uint16_t new)
 	*sum = ~csum;
 }
 
-/* From linux/bpf.h */
-struct xdp_md {
-	__u32 data;
-	__u32 data_end;
-	__u32 data_meta;
-	/* Below access go through struct xdp_rxq_info */
-	__u32 ingress_ifindex; /* rxq->dev->ifindex */
-	__u32 rx_queue_index;  /* rxq->queue_index  */
-
-	__u32 egress_ifindex;  /* txq->dev->ifindex */
-};
-
 void *memcpy(void *dest, const void *src, size_t n);
 
 char _license[] SEC("license") = "GPL";

src/icmp_pingback/minimum/bpf_helper.h

@@ -35,18 +35,6 @@ static inline void csum_replace(uint16_t *sum, uint16_t old, uint16_t new)
 	*sum = ~csum;
 }
 
-/* From linux/bpf.h */
-struct xdp_md {
-	__u32 data;
-	__u32 data_end;
-	__u32 data_meta;
-	/* Below access go through struct xdp_rxq_info */
-	__u32 ingress_ifindex; /* rxq->dev->ifindex */
-	__u32 rx_queue_index;  /* rxq->queue_index  */
-
-	__u32 egress_ifindex;  /* txq->dev->ifindex */
-};
-
 void *memcpy(void *dest, const void *src, size_t n);
 
 char _license[] SEC("license") = "GPL";