Revert "Bumps"

.github/actions/build-dependencies/action.yaml

@@ -4,12 +4,12 @@ description: |
 inputs:
   go-version:
     description: go version
-    default: "1.22.3"
+    default: "1.21"
 runs:
   using: composite
   steps:
     - name: Setup Go
-      uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
+      uses: actions/setup-go@v5
       with:
         go-version: "${{ inputs.go-version }}"
     - name: Install Compilers & Formatters
@@ -18,11 +18,12 @@ runs:
         sudo apt-get install --yes bsdutils
         sudo apt-get install --yes build-essential
         sudo apt-get install --yes pkgconf
-        sudo apt-get install --yes llvm-14 clang-14 clang-format-14
+        sudo apt-get install --yes llvm-12 clang-12
+        sudo apt-get install --yes clang-format-12
         sudo apt-get install --yes zlib1g-dev libelf-dev
-        for tool in "clang" "clang-format" "llc" "llvm-strip"
+        for tool in "clang" "llc" "llvm-strip" "clang-format"
         do
           sudo rm -f /usr/bin/$tool
-          sudo ln -s /usr/bin/$tool-14 /usr/bin/$tool
+          sudo ln -s /usr/bin/$tool-12 /usr/bin/$tool
         done
       shell: bash

.github/workflows/pr.yaml

@@ -8,10 +8,10 @@ on:
 jobs:
   analyze-code:
     name: Analyze Code
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout Code
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+        uses: actions/checkout@v4
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
       - name: Lint
@@ -54,13 +54,13 @@ jobs:
         shell: bash
   libbpfgo-unit-tests:
     name: libbpfgo Unit Tests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        go-version: [ '1.21', '1.22', 'stable' ]
+        go-version: [ 1.18, 1.19, '1.20', '1.21', 'stable' ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+        uses: actions/checkout@v4
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
         with:
@@ -70,13 +70,13 @@ jobs:
           make libbpfgo-static-test
   helpers-unit-tests:
     name: Helpers Unit Tests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        go-version: [ '1.21', '1.22', 'stable' ]
+        go-version: [ 1.18, 1.19, '1.20', '1.21', 'stable' ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+        uses: actions/checkout@v4
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
         with:
@@ -86,13 +86,13 @@ jobs:
           make helpers-test-static-run
   self-tests:
     name: Selftests
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        go-version: [ '1.21', '1.22', 'stable' ]
+        go-version: [ 1.18, 1.19, '1.20', '1.21', 'stable' ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+        uses: actions/checkout@v4
       - name: Install Dependencies
         uses: ./.github/actions/build-dependencies
         with:

Makefile

@@ -12,10 +12,9 @@ CLANG := clang
 CC := $(CLANG)
 GO := go
 VAGRANT := vagrant
-CLANG_FMT := clang-format-14
+CLANG_FMT := clang-format-12
 GIT := $(shell which git || /bin/false)
 REVIVE := revive
-PKGCONFIG := pkg-config
 
 HOSTOS = $(shell uname)
 ARCH ?= $(shell uname -m | sed 's/x86_64/amd64/g; s/aarch64/arm64/g')
@@ -34,11 +33,11 @@ LDFLAGS =
 # golang
 
 CGO_CFLAGS_STATIC = "-I$(abspath $(OUTPUT))"
-CGO_LDFLAGS_STATIC = "$(shell PKG_CONFIG_PATH=$(LIBBPF_OBJDIR) $(PKGCONFIG) --static --libs libbpf)"
+CGO_LDFLAGS_STATIC = "-lelf -lz $(LIBBPF_OBJ)"
 CGO_EXTLDFLAGS_STATIC = '-w -extldflags "-static"'
 
 CGO_CFLAGS_DYN = "-I. -I/usr/include/"
-CGO_LDFLAGS_DYN = "$(shell $(PKGCONFIG) --shared --libs libbpf)"
+CGO_LDFLAGS_DYN = "-lelf -lz -lbpf"
 
 # default == shared lib from OS package
 
@@ -111,9 +110,8 @@ $(LIBBPF_OBJ): $(LIBBPF_SRC) $(wildcard $(LIBBPF_SRC)/*.[ch]) | $(OUTPUT)/libbpf
 	   $(MAKE) -C $(LIBBPF_SRC) \
 		BUILD_STATIC_ONLY=1 \
 		OBJDIR=$(LIBBPF_OBJDIR) \
-		LIBDIR=$(LIBBPF_OBJDIR) \
 		DESTDIR=$(LIBBPF_DESTDIR) \
-		INCLUDEDIR= UAPIDIR= install
+		INCLUDEDIR= LIBDIR= UAPIDIR= install
 
 $(LIBBPF_SRC):
 ifeq ($(wildcard $@), )

builder/Vagrantfile-ubuntu

@@ -17,9 +17,9 @@ VM_SOURCE = "/vagrant"
 Vagrant.configure("2") do |config|
   case ARCH
   when "amd64"
-    config.vm.box = "bento/ubuntu-24.04"
+    config.vm.box = "ubuntu/jammy64"
   when "arm64"
-    config.vm.box = "bento/ubuntu-24.04"
+    config.vm.box = "bento/ubuntu-22.04-arm64"
   end
 
   case HOSTOS

builder/prepare-ubuntu.sh

@@ -7,21 +7,9 @@
 
 # variables
 
-[ -z "${GO_VERSION}" ] && GO_VERSION="1.22"
-[ -z "${CLANG_VERSION}" ] && CLANG_VERSION="14"
-[ -z "${ARCH}" ] && ARCH=$(uname -m)
-
-case "${ARCH}" in
-    x86_64|amd64)
-        ARCH="amd64"
-        ;;
-    aarch64|arm64)
-        ARCH="arm64"
-        ;;
-    *)
-        die "unsupported architecture ${ARCH}"
-        ;;
-esac
+[ -z "${GO_VERSION}" ] && GO_VERSION="1.21"
+[ -z "${CLANG_VERSION}" ] && CLANG_VERSION="12"
+[ -z "${ARCH}" ] && ARCH="amd64"
 
 
 # functions
@@ -71,7 +59,7 @@ setup_go() {
 setup_clang() {
     info "Setting Clang ${CLANG_VERSION} as default"
 
-    local tools="clang clang-format llc llvm-strip"
+    local tools="clang llc llvm-strip clang-format"
     for tool in ${tools}
     do
         sudo -E update-alternatives --install "/usr/bin/${tool}" "${tool}" "/usr/bin/${tool}-${CLANG_VERSION}" 100
@@ -94,7 +82,7 @@ install_pkgs \
     llvm-"${CLANG_VERSION}" clang-"${CLANG_VERSION}" clang-format-"${CLANG_VERSION}" \
     linux-headers-generic \
     linux-tools-generic linux-tools-"$(uname -r)" \
-    libbpf-dev libelf-dev libzstd-dev zlib1g-dev
+    zlib1g-dev libelf-dev libbpf-dev
 
 setup_go
 setup_clang

docs/Vagrantfile.md

@@ -2,11 +2,12 @@
 
 ## Boxes
 
-Currently there is one box available in [Vagrantfile-ubuntu](./../builder/Vagrantfile-ubuntu):
+Currently there are two boxes available in [Vagrantfile-ubuntu](./../builder/Vagrantfile-ubuntu):
 
-| Box                                                                      | Providers                |
-|--------------------------------------------------------------------------|--------------------------|
-| [bento/ubuntu-24.04](https://app.vagrantup.com/bento/boxes/ubuntu-24.04) | virtualbox (amd64), parallels (arm64,amd64), ...|
+| Box                                                                                          | Providers                |
+|----------------------------------------------------------------------------------------------|--------------------------|
+| [generic/ubuntu2204](https://app.vagrantup.com/generic/boxes/ubuntu2204) (amd64)             | virtualbox, parallels    |
+| [jharoian3/ubuntu-22.04-arm64](https://app.vagrantup.com/jharoian3/boxes/ubuntu-22.04-arm64) | parallels                |
 
 It is recommended to use them through the respective [Makefile rules](../Readme.md#contributing) as they are or overriding the `ARCH` environment variable if your architecture and provider allow such virtualization. E.g.: `make vagrant-up ARCH=amd64`.
 

go.mod

@@ -1,8 +1,6 @@
 module github.com/aquasecurity/libbpfgo
 
-go 1.22.0
-
-toolchain go1.22.3
+go 1.21
 
 require github.com/stretchr/testify v1.9.0
 

go.work

@@ -1,6 +1,4 @@
-go 1.22.0
-
-toolchain go1.22.3
+go 1.21
 
 use (
 	.

helpers/go.mod

@@ -1,8 +1,6 @@
 module github.com/aquasecurity/libbpfgo/helpers
 
-go 1.22.0
-
-toolchain go1.22.3
+go 1.21
 
 require (
 	github.com/stretchr/testify v1.9.0

selftest/attachgenericfd/go.mod

@@ -1,15 +1,9 @@
 module github.com/aquasecurity/libbpfgo/selftest/attachgenericfd
 
-go 1.22.0
+go 1.21
 
-toolchain go1.22.3
+require github.com/aquasecurity/libbpfgo v0.0.0
 
-require (
-	github.com/aquasecurity/libbpfgo v0.0.0
-	golang.org/x/sys v0.20.0
-)
+require golang.org/x/sys v0.9.0
 
-replace (
-	github.com/aquasecurity/libbpfgo => ../../
-	github.com/aquasecurity/libbpfgo/helpers => ../../helpers
-)
+replace github.com/aquasecurity/libbpfgo => ../../

selftest/attachgenericfd/go.sum

@@ -4,7 +4,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
+golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

selftest/cgroup-legacy/go.mod

@@ -1,12 +1,7 @@
 module github.com/aquasecurity/libbpfgo/selftest/perfbuffers
 
-go 1.22.0
-
-toolchain go1.22.3
+go 1.21
 
 require github.com/aquasecurity/libbpfgo v0.0.0
 
-replace (
-	github.com/aquasecurity/libbpfgo => ../../
-	github.com/aquasecurity/libbpfgo/helpers => ../../helpers
-)
+replace github.com/aquasecurity/libbpfgo => ../../

selftest/cgroup/go.mod

@@ -1,12 +1,7 @@
 module github.com/aquasecurity/libbpfgo/selftest/perfbuffers
 
-go 1.22.0
-
-toolchain go1.22.3
+go 1.21
 
 require github.com/aquasecurity/libbpfgo v0.0.0
 
-replace (
-	github.com/aquasecurity/libbpfgo => ../../
-	github.com/aquasecurity/libbpfgo/helpers => ../../helpers
-)
+replace github.com/aquasecurity/libbpfgo => ../../

selftest/common/Makefile

@@ -8,23 +8,18 @@ LIBBPF_OBJ = $(abspath $(OUTPUT)/libbpf.a)
 CLANG = clang
 CC = $(CLANG)
 GO = go
-PKGCONFIG = pkg-config
 
 ARCH := $(shell uname -m | sed 's/x86_64/amd64/g; s/aarch64/arm64/g')
 
-# libbpf
-
-LIBBPF_OBJDIR = $(abspath ./$(OUTPUT)/libbpf)
-
 CFLAGS = -g -O2 -Wall -fpie -I$(abspath ../common)
 LDFLAGS =
 
 CGO_CFLAGS_STATIC = "-I$(abspath $(OUTPUT)) -I$(abspath ../common)"
-CGO_LDFLAGS_STATIC = "$(shell PKG_CONFIG_PATH=$(LIBBPF_OBJDIR) $(PKGCONFIG) --static --libs libbpf)"
+CGO_LDFLAGS_STATIC = "-lelf -lz $(LIBBPF_OBJ)"
 CGO_EXTLDFLAGS_STATIC = '-w -extldflags "-static"'
 
 CGO_CFLAGS_DYN = "-I. -I/usr/include/"
-CGO_LDFLAGS_DYN = "$(shell $(PKGCONFIG) --shared --libs libbpf)"
+CGO_LDFLAGS_DYN = "-lelf -lz -lbpf"
 
 MAIN = main
 

selftest/common/vmlinux.h

@@ -87,11 +87,13 @@ struct bpf_raw_tracepoint_args {
     __u64 args[0];
 };
 
-enum {
+enum
+{
     BPF_F_CURRENT_CPU = 4294967295,
 };
 
-enum bpf_map_type {
+enum bpf_map_type
+{
     BPF_MAP_TYPE_UNSPEC = 0,
     BPF_MAP_TYPE_HASH = 1,
     BPF_MAP_TYPE_ARRAY = 2,
@@ -180,7 +182,8 @@ struct sock_common {
 
 #define ETH_P_IP 0x0800
 
-enum xdp_action {
+enum xdp_action
+{
     XDP_ABORTED = 0,
     XDP_DROP = 1,
     XDP_PASS = 2,
@@ -199,7 +202,8 @@ enum xdp_action {
 //       or, at least, should be, immutable among different kernel versions.
 //
 
-enum {
+enum
+{
     TCP_ESTABLISHED = 1,
     TCP_SYN_SENT = 2,
     TCP_SYN_RECV = 3,
@@ -215,7 +219,8 @@ enum {
     TCP_MAX_STATES = 13,
 };
 
-enum sock_type {
+enum sock_type
+{
     SOCK_STREAM = 1,
     SOCK_DGRAM = 2,
     SOCK_RAW = 3,
@@ -225,7 +230,8 @@ enum sock_type {
     SOCK_PACKET = 10,
 };
 
-enum {
+enum
+{
     IPPROTO_IP = 0,
     IPPROTO_ICMP = 1,
     IPPROTO_IGMP = 2,
@@ -256,7 +262,8 @@ enum {
     IPPROTO_MAX = 263,
 };
 
-enum {
+enum
+{
     TCPF_ESTABLISHED = 2,
     TCPF_SYN_SENT = 4,
     TCPF_FIN_WAIT1 = 16,
@@ -309,7 +316,8 @@ struct __sk_buff {
     __u32 gso_size;
 };
 
-enum bpf_hdr_start_off {
+enum bpf_hdr_start_off
+{
     BPF_HDR_START_MAC = 0,
     BPF_HDR_START_NET = 1,
 };