Change licenses

Dual-license bpf/ with BSD-2 and GPL-2.0, and userspace with Apache-2.0. Signed-off-by: Martynas Pumputis <[email protected]>
cilium · Jul 6, 2023 · 5f366c5 · 5f366c5
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diff --git a/LICENSE b/LICENSE
diff --git a/README.md b/README.md
@@ -125,11 +125,14 @@ make release
 
 ## Contributing
 
-`pwru` is an open source project licensed under [GPLv2](LICENSE). Everybody is
-welcome to contribute. Contributors are required to follow the
-[Contributor Covenant Code of Conduct](https://www.contributor-covenant.org/version/1/4/code-of-conduct/)
-and must adhere to the [Developer Certificate of Origin](https://developercertificate.org/)
-by adding a Signed-off-by line to their commit messages.
+`pwru` is an open source project. The userspace code is licensed under
+[Apache-2.0](LICENSE), while the BPF under [BSD 2-Clause](bpf/LICENSE.BSD-2-Clause]
+and [GPL-2.0](bpf/LICENSE.GPL-2.0). Everybody is welcome to contribute.
+Contributors are required to follow the [Contributor Covenant Code of
+Conduct](https://www.contributor-covenant.org/version/1/4/code-of-conduct/) and
+must adhere to the [Developer Certificate of
+Origin](https://developercertificate.org/) by adding a Signed-off-by line to
+their commit messages.
 
 ## Community
 

diff --git a/bpf/LICENSE.BSD-2-Clause b/bpf/LICENSE.BSD-2-Clause
@@ -0,0 +1,23 @@
+Copyright Authors of Cilium. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/bpf/LICENSE.GPL-2.0 b/bpf/LICENSE.GPL-2.0
diff --git a/bpf/kprobe_pwru.c b/bpf/kprobe_pwru.c
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021 Authors of Cilium */
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 /*
  * WARNING: `bpf_printk()` has special intention in this program: it is used for
@@ -321,4 +321,4 @@ PWRU_ADD_KPROBE(5)
 #undef PWRU_HAS_GET_FUNC_IP
 #undef PWRU_KPROBE_TYPE
 
-char __license[] SEC("license") = "GPL";
+char __license[] SEC("license") = "Dual BSD/GPL";
diff --git a/internal/pwru/config.go b/internal/pwru/config.go
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021-2022 Authors of Cilium */
+// SPDX-License-Identifier: Apache-2.0
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 package pwru
 

diff --git a/internal/pwru/output.go b/internal/pwru/output.go
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021 Authors of Cilium */
+// SPDX-License-Identifier: Apache-2.0
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 package pwru
 

diff --git a/internal/pwru/types.go b/internal/pwru/types.go
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021-2022 Authors of Cilium */
+// SPDX-License-Identifier: Apache-2.0
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 package pwru
 

diff --git a/internal/pwru/utils.go b/internal/pwru/utils.go
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021 Authors of Cilium */
+// SPDX-License-Identifier: Apache-2.0
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 package pwru
 

diff --git a/main.go b/main.go
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (C) 2020-2021 Martynas Pumputis */
-/* Copyright (C) 2021-2022 Authors of Cilium */
+// SPDX-License-Identifier: Apache-2.0
+/* Copyright Martynas Pumputis */
+/* Copyright Authors of Cilium */
 
 package main
 

diff --git a/tools/getgetter.go b/tools/getgetter.go
@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-only
-// Copyright (C) 2022 Authors of Cilium
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Authors of Cilium
 
 // This tool parses the provided Go files to generate getters for any exported
 // fields of each struct matching the struct regexp filter.

diff --git a/tools/tools.go b/tools/tools.go
@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: GPL-2.0-only
-// Copyright (C) 2021 Authors of Cilium
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Authors of Cilium
 
 //go:build tools
 // +build tools