This allows operating under environments where the username variables
are not present.
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Fix OSX build error about embedding a directive within macro arguments.
Apparently, snprintf is implemented as a macro on that platform.
Signed-off-by: Alberto Aguirre <albaguirre@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
torture_rand and torture_server_x11 call ssh_init without checking
the return value. If mbedTLS is built without threading support
ssh_init fails but the tests continue and then segfault since threading
wasn't correctly initialised.
Add a section that documents requirements for mbedTLS usage in a
multi threaded environment to README.mbedtls.
Signed-off-by: Juraj Vijtiuk <juraj.vijtiuk@sartura.hr>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
We need to specify a cipher when we generate a key with a password.
OpenSSH uses aes_128_cbc, so we should use the same.
Thanks to Julian Lunz for the report.
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Summary:
This patch adds support for mbedTLS as a crypto backend for libssh.
mbedTLS is an SSL/TLS library that has been designed to mainly be used
in embedded systems. It is loosely coupled and has a low memory
footprint. mbedTLS also provides a cryptography library (libmbedcrypto)
that can be used without the TLS modules.
The patch is unfortunately quite big, since several new files had to
be added.
DSA is disabled at compile time, since mbedTLS doesn't support DSA
Patch review and feedback would be appreciated, and if any issues or
suggestions appear, I'm willing to work on them.
Signed-off-by: Juraj Vijtiuk <juraj.vijtiuk@sartura.hr>
Test Plan:
* The patch has been tested with a Debug and MinSizeRel build, with
libssh unit tests, client tests and the pkd tests.
* All the tests have been run with valgrind's memcheck, drd and helgrind
tools.
* The examples/samplessh client works when built with the patch.
Reviewers: asn, aris
Subscribers: simonsj
Differential Revision: https://bugs.libssh.org/D1
Pair-Programmed-With: Jakub Jelen <jjelen@redhat.com>
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
pcap file is generated by the processes writing to the sockets,
which is not allowed for privilege-separated process in new
OpenSSH servers (confined by seccomp filter).
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
There's a race window between the accept loop's call to
accept(2) and it checking `ctx.keep_going`. Forcefully
close the server socket such that any raced `accept` ends
up failing.
Signed-off-by: Jon Simons <jon@jonsimons.org>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Sometimes, but not always, the pkd tests will fail because they
close the socket at hand a bit too early for the client. The
client in turn may exit non-zero when that happens.
Split up the final close loop so that pkd waits to receive a
channel close from the client, and then socket close, before
finally returning.
With this change I observe that tests are now passing in
environments that would previously tickle the above race
and fail.
Signed-off-by: Jon Simons <jon@jonsimons.org>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
