blob: 7ea06fec2dbb337ddfb1978a0f7a26af38f1955b [file] [log] [blame]
*** Settings ***
Documentation Test BMC SSH security.
Resource ../lib/resource.robot
Resource ../lib/openbmc_ffdc_methods.robot
*** Variables ***
@{allowed_shell_rcs} ${255}
${ignore_err} ${0}
# Left anchor for this regex is either a space or a comma.
${left_anchor} [ ,]
# Right anchor for this regex is either a comma or end-of-line.
${right_anchor} (,|$)
${weak_key_regex} ${left_anchor}(group1_sha1|DES-CBC3|CBC mode|group1|SHA1)${right_anchor}
${mac_key_regex} ${left_anchor}(MD5|96-bit MAC algorithms)${right_anchor}
*** Test Cases ***
Verify BMC SSH Weak Cipher And Algorithm
[Documentation] Connect to BMC and verify no weak cipher and algorithm is
... supported.
[Tags] Verify_BMC_SSH_Weak_Cipher_And_Algorithm
# The following is a sample of output from ssh -vv:
# This test requires OpenSSH and depends on output format of ssh -vv.
# debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,
# ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,
# diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,
# diffie-hellman-group14-sha1
# debug2: host key algorithms: rsa-sha2-512,rsa-sha2-256,ssh-rsa
# debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,
# aes128-gcm@openssh.com,aes256-gcm@openssh.com
# debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,
# aes128-gcm@openssh.com,aes256-gcm@openssh.com
# debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,
# hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,
# umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
# debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,
# hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,
# umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
# Example of weak algorithms to check:
# - encryption: triple-DES ("DES-CBC3").
# - encryption: CBC mode
# - MAC: MD5 and 96-bit MAC algorithms
# - KEX: diffie-hellman-group1(any) , (any) SHA1
Printn
${ssh_cmd_buf}= Catenate ssh -o NumberOfPasswordPrompts=0 UserKnownHostsFile=/dev/null
... -o StrictHostKeyChecking=no -vv ${OPENBMC_HOST} 2>&1
${rc} ${std_err}= Shell Cmd ! ${ssh_cmd_buf}
Log std_err=${std_err} console=yes
Log rc=${rc} console=yes
${has_it}= Run Keyword And Return Status Should Contain ${std_err} Permission denied
Skip If not ${has_it}
... Skipping test case since response is not as expected
Shell Cmd ! ${ssh_cmd_buf} | egrep -- "${weak_key_regex}"
Shell Cmd ! ${ssh_cmd_buf} | egrep -- "${mac_key_regex}"