Commit Graph

8 Commits

Author SHA1 Message Date
Pavol Žáčik
9b4ee9c6d4 gssapi: enable gssapi-keyex in FIPS mode
All gssapi-keyex tests have to be disabled in Centos Stream 8
because the KEX is not allowed in FIPS. In Centos Stream 9,
only tests against OpenSSH have to be disabled because
OpenSSH only enables gssapi-keyex since Centos Stream 10.

Signed-off-by: Pavol Žáčik <pzacik@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Pavol Žáčik
88c2ea6752 gssapi: Add support for ECDH GSSAPI KEX
In particular, gss-nistp256-sha256-* and
gss-curve25519-sha256-*.

Signed-off-by: Pavol Žáčik <pzacik@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
f1490170f3 tests: add test for gssapi server key exchange with null hostkey and no tgt
Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
6d81ecddbe fix: replace pthread_exit in gssapi tests
Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
a0707afc3e reformat: gssapi key exchange
Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
c1aab9903f feat: add null hostkey for server
fix: skip gssapi tests in fips mode

fix: skip gssapi_key_exchange_null test on ubuntu and tumbleweed

fix: return early when rc != 0 to show error

tests: replace int asserts by ssh return code asserts

fix: add fatal error when hostkeys are not found and gssapi kex is not enabled

ci: add comment linking gssapi null kex bug in ubuntu and tumbleweed

fix: don't specify hostkeys in config instead of deleting files

tests: assert kex method was null

refactor: remove redundant include

refactor: better error message

fix: check null before accessing in gssapi.c

fix: allow setting no hostkeys
Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
9044fcdb52 feat: add "gssapi-keyex" for server
feat: add negative auth client tests, and more key exchange server tests

feat: add function for checkinf if GSSAPI key exchange was performed
Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:13 +01:00
Gauravsingh Sisodia
bc5211d055 feat: add gssapi key exchange
feat: add generic functions for importing name and initializing ctx

feat: add suffix to gsskex algs dynamically

feat: move gssapi key exchange to another file

feat: add gssapi key exchange for server

refactor: remove unnecessary fields in gssapi struct

refactor: add some documentation and improve logging

fix: remove gss_dh callbacks

feat: add a check to see if GSSAPI is configured correctly

fix: memory leaks

feat: add client side "gssapi-keyex" auth

feat: add gssapi_key_exchange_algs for server

fix: some memory issues

feat: add gssapi kex options to config

feat: add check to see if GSSAPI key exchange was performed

feat: add more tests for gssapi key exchange

fix: add valgrind supp

Signed-off-by: Gauravsingh Sisodia <xaerru@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2026-01-05 12:24:00 +01:00