Many tests skip tests for various reasons but not in a consistent way and
don't always clean up, so add that and switch the tests that do that over.
OpenBSD-Regress-ID: 72d2ec90a3ee8849486956a808811734281af735
Portable needs this and it makes no difference on OpenBSD, so resync
them. (Id sync only, Portable already had this.)
OpenBSD-Regress-ID: 33f6f66744455886d148527af8368811e4264162
When running PuTTY interop tests and using a PuTTY version older than
0.76, re-enable the ssh-rsa host key algorithm (the 256 and 512 variants
of RSA were added some time between 0.73 and 0.76).
OpenBSD-Regress-ID: e6138d6987aa705fa1e4f216db0bb386e1ff38e1
[regress/putty-kex.sh regress/putty-transfer.sh] Downgrade disabled
interop tests from FATAL error to a warning. Allows some interop
tests to proceed if others are missing necessary prerequisites.
[regress/Makefile regress/test-exec.sh regress/putty-ciphers.sh]
[regress/putty-kex.sh regress/putty-transfer.sh regress/ssh2putty.sh]
basic (crypto, kex and transfer) interop regression tests against putty
To run these, install putty and run "make interop-tests" from the build
directory - the tests aren't run by default yet.