gocryptfs/internal/stupidgcm/locking.go, branch xattr_user_buffer Mirror of gocryptfs source code on Github http://nuetzlich.net/cgit/gocryptfs/atom?h=xattr_user_buffer 2025-08-07T20:06:39+00:00 stupidgcm: make build tags consistent 2025-08-07T20:06:39+00:00 Jakob Unterwurzacher 2025-08-07T20:06:39+00:00 urn:sha1:5f324fe6614c1cf6bc7e5c07807332c8bb23dd5c This makes building with just CGO_ENABLED=0 work. make format 2022-08-28T09:11:36+00:00 Jakob Unterwurzacher 2022-08-28T09:11:36+00:00 urn:sha1:003a7fa2e53ac15d2c94a34102ae12b69b23c586 stupidgcm: fix openssl 1.1 build failure 2017-07-14T18:44:07+00:00 Jakob Unterwurzacher 2017-07-14T18:43:12+00:00 urn:sha1:61e964457d27cbe7cbedaa7bf81d1e78f685960b Fixed by including the correct header. Should work on older openssl versions as well. Error was: locking.go:21: undefined reference to `CRYPTO_set_locking_callback' without_openssl: support compiling completely without openssl 2016-10-04T07:51:14+00:00 Jakob Unterwurzacher 2016-10-04T07:51:14+00:00 urn:sha1:56c0b19612dd25b84474211c1a84897fe89ce7d4 Build helper script: build-without-openssl.bash stupidgcm: use __builtin_trap() 2016-07-04T06:14:24+00:00 Jakob Unterwurzacher 2016-07-04T06:14:24+00:00 urn:sha1:52655843ab68a37f0000b009cf90cf370df32f98 [...]/stupidgcm/locking.go:16:2: warning: indirection of non-volatile null pointer will be deleted, not trap [-Wnull-dereference] [...]/stupidgcm/locking.go:16:2: note: consider using __builtin_trap() or qualifying pointer with 'volatile' https://github.com/rfjakob/gocryptfs/issues/15 stupidgcm: set dummy locking callback. 2016-05-04T22:09:08+00:00 Jakob Unterwurzacher 2016-05-04T22:02:04+00:00 urn:sha1:cf29ce37627fd6ba4416dd9eb5e56bed44128131 In general, OpenSSL is only threadsafe if you provide a locking function through CRYPTO_set_locking_callback. However, the GCM operations that stupidgcm uses never call that function. To guard against that ever changing, set a dummy locking callback that crashes the app.