doc: add license

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/doc/contributions/license.md b/doc/contributions/license.md
new file mode 100644
index 00000000..cab2eddd
--- /dev/null
+++ b/doc/contributions/license.md
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+# License
+
+All new source code committed to the shadow project is assumed to be made
+available under the [BSD-3-Clause](../../COPYING) license unless the submitter
+specifies another license at that time. The shadow maintainers reserve the
+right to refuse a submission if the license is deemed incompatible with the
+goals of the project.
+
+**Note**: old code may be made available under another license, check the
+license tag for each file to get additional information.