forked from rpms/openssh
tests/pam_ssh_agent_auth: Add a new sanity test
This commit is contained in:
Jakub Jelen
parent
6b2140deea
commit
1ce235ac38
64
tests/pam_ssh_agent_auth/Makefile
Normal file
64
tests/pam_ssh_agent_auth/Makefile
Normal file
@ -0,0 +1,64 @@
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
#
|
||||
# Makefile of /CoreOS/openssh/Sanity/pam_ssh_agent_auth
|
||||
# Description: This is a basic sanity test for pam_ssh_agent_auth
|
||||
# Author: Jakub Jelen <jjelen@redhat.com>
|
||||
#
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
#
|
||||
# Copyright (c) 2015 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation, either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be
|
||||
# useful, but WITHOUT ANY WARRANTY; without even the implied
|
||||
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
||||
# PURPOSE. See the GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see http://www.gnu.org/licenses/.
|
||||
#
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
export TEST=/CoreOS/openssh/Sanity/pam_ssh_agent_auth
|
||||
export TESTVERSION=1.0
|
||||
|
||||
BUILT_FILES=
|
||||
|
||||
FILES=$(METADATA) runtest.sh Makefile PURPOSE pam_save_ssh_var.c
|
||||
|
||||
.PHONY: all install download clean
|
||||
|
||||
run: $(FILES) build
|
||||
./runtest.sh
|
||||
|
||||
build: $(BUILT_FILES)
|
||||
test -x runtest.sh || chmod a+x runtest.sh
|
||||
|
||||
clean:
|
||||
rm -f *~ $(BUILT_FILES)
|
||||
|
||||
|
||||
-include /usr/share/rhts/lib/rhts-make.include
|
||||
|
||||
$(METADATA): Makefile
|
||||
@echo "Owner: Jakub Jelen <jjelen@redhat.com>" > $(METADATA)
|
||||
@echo "Name: $(TEST)" >> $(METADATA)
|
||||
@echo "TestVersion: $(TESTVERSION)" >> $(METADATA)
|
||||
@echo "Path: $(TEST_DIR)" >> $(METADATA)
|
||||
@echo "Description: This is basic sanity test for pam_ssh_agent_auth" >> $(METADATA)
|
||||
@echo "Type: Sanity" >> $(METADATA)
|
||||
@echo "TestTime: 5m" >> $(METADATA)
|
||||
@echo "RunFor: openssh" >> $(METADATA)
|
||||
@echo "Requires: openssh pam_ssh_agent_auth pam-devel expect" >> $(METADATA)
|
||||
@echo "RhtsRequires: library(distribution/fips)" >> $(METADATA)
|
||||
@echo "Priority: Normal" >> $(METADATA)
|
||||
@echo "License: GPLv2+" >> $(METADATA)
|
||||
@echo "Confidential: no" >> $(METADATA)
|
||||
@echo "Destructive: no" >> $(METADATA)
|
||||
@echo "Releases: -RHEL4 -RHELClient5 -RHELServer5" >> $(METADATA)
|
||||
|
||||
rhts-lint $(METADATA)
|
||||
7
tests/pam_ssh_agent_auth/PURPOSE
Normal file
7
tests/pam_ssh_agent_auth/PURPOSE
Normal file
@ -0,0 +1,7 @@
|
||||
PURPOSE of /CoreOS/openssh/Sanity/pam_ssh_agent_auth
|
||||
Description: This is basic sanity test for pam_ssh_agent_auth
|
||||
Author: Jakub Jelen <jjelen@redhat.com>
|
||||
|
||||
Created as a response to rhbz#1251777 and previous one rhbz#1225106.
|
||||
The code of pam module is outdated and compiled with current openssh
|
||||
version which went through quite enough refactoring.
|
||||
73
tests/pam_ssh_agent_auth/pam_save_ssh_var.c
Normal file
73
tests/pam_ssh_agent_auth/pam_save_ssh_var.c
Normal file
@ -0,0 +1,73 @@
|
||||
/*
|
||||
This simple pam module saves the content of SSH_USER_AUTH variable to /tmp/SSH_USER_AUTH
|
||||
file.
|
||||
|
||||
Setup:
|
||||
- gcc -fPIC -DPIC -shared -rdynamic -o pam_save_ssh_var.o pam_save_ssh_var.c
|
||||
- copy pam_save_ssh_var.o to /lib/security resp. /lib64/security
|
||||
- add to /etc/pam.d/sshd
|
||||
auth requisite pam_save_ssh_var.o
|
||||
*/
|
||||
|
||||
/* Define which PAM interfaces we provide */
|
||||
#define PAM_SM_ACCOUNT
|
||||
#define PAM_SM_AUTH
|
||||
#define PAM_SM_PASSWORD
|
||||
#define PAM_SM_SESSION
|
||||
|
||||
/* Include PAM headers */
|
||||
#include <security/pam_appl.h>
|
||||
#include <security/pam_modules.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int save_ssh_var(pam_handle_t *pamh, const char *phase) {
|
||||
FILE *fp;
|
||||
const char *var;
|
||||
|
||||
fp = fopen("/tmp/SSH_USER_AUTH","a");
|
||||
fprintf(fp, "BEGIN (%s)\n", phase);
|
||||
var = pam_getenv(pamh, "SSH_USER_AUTH");
|
||||
if (var != NULL) {
|
||||
fprintf(fp, "SSH_USER_AUTH: '%s'\n", var);
|
||||
}
|
||||
fprintf(fp, "END (%s)\n", phase);
|
||||
fclose(fp);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* PAM entry point for session creation */
|
||||
int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
/* PAM entry point for session cleanup */
|
||||
int pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
/* PAM entry point for accounting */
|
||||
int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
/* PAM entry point for authentication verification */
|
||||
int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
save_ssh_var(pamh, "auth");
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
/*
|
||||
PAM entry point for setting user credentials (that is, to actually
|
||||
establish the authenticated user's credentials to the service provider)
|
||||
*/
|
||||
int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
/* PAM entry point for authentication token (password) changes */
|
||||
int pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv) {
|
||||
return(PAM_IGNORE);
|
||||
}
|
||||
|
||||
184
tests/pam_ssh_agent_auth/runtest.sh
Executable file
184
tests/pam_ssh_agent_auth/runtest.sh
Executable file
@ -0,0 +1,184 @@
|
||||
#!/bin/bash
|
||||
# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
#
|
||||
# runtest.sh of /CoreOS/openssh/Sanity/pam_ssh_agent_auth
|
||||
# Description: This is a basic sanity test for pam_ssh_agent_auth
|
||||
# Author: Jakub Jelen <jjelen@redhat.com>
|
||||
#
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
#
|
||||
# Copyright (c) 2015 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation, either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be
|
||||
# useful, but WITHOUT ANY WARRANTY; without even the implied
|
||||
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
||||
# PURPOSE. See the GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see http://www.gnu.org/licenses/.
|
||||
#
|
||||
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
# Include Beaker environment
|
||||
. /usr/bin/rhts-environment.sh || exit 1
|
||||
. /usr/share/beakerlib/beakerlib.sh || exit 1
|
||||
|
||||
PACKAGE="openssh"
|
||||
PAM_SUDO="/etc/pam.d/sudo"
|
||||
PAM_SSHD="/etc/pam.d/sshd"
|
||||
PAM_MODULE="pam_save_ssh_var"
|
||||
SUDOERS_CFG="/etc/sudoers.d/01_pam_ssh_auth"
|
||||
SSHD_CFG="/etc/ssh/sshd_config"
|
||||
USER="testuser$RANDOM"
|
||||
PASS="testpassxy4re.3298fhdsaf"
|
||||
AUTH_KEYS="/etc/security/authorized_keys"
|
||||
AK_COMMAND_BIN="/root/ak.sh"
|
||||
AK_COMMAND_KEYS="/root/akeys"
|
||||
declare -a KEYS=("rsa" "ecdsa")
|
||||
|
||||
rlJournalStart
|
||||
rlPhaseStartSetup
|
||||
rlAssertRpm $PACKAGE
|
||||
rlAssertRpm pam_ssh_agent_auth
|
||||
rlImport distribution/fips
|
||||
rlServiceStart sshd
|
||||
rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
|
||||
rlRun "cp ${PAM_MODULE}.c $TmpDir/"
|
||||
rlRun "pushd $TmpDir"
|
||||
rlFileBackup --clean $PAM_SUDO /etc/sudoers /etc/sudoers.d/ /etc/security/ $AUTH_KEYS
|
||||
rlRun "sed -i '1 a\
|
||||
auth sufficient pam_ssh_agent_auth.so file=$AUTH_KEYS' $PAM_SUDO"
|
||||
rlRun "echo 'Defaults env_keep += \"SSH_AUTH_SOCK\"' > $SUDOERS_CFG"
|
||||
rlRun "echo 'Defaults !requiretty' >> $SUDOERS_CFG"
|
||||
grep '^%wheel' /etc/sudoers || \
|
||||
rlRun "echo '%wheel ALL=(ALL) ALL' >> $SUDOERS_CFG"
|
||||
rlRun "useradd $USER -G wheel"
|
||||
rlRun "echo $PASS |passwd --stdin $USER"
|
||||
rlPhaseEnd
|
||||
|
||||
if ! fipsIsEnabled; then
|
||||
KEYS+=("dsa")
|
||||
fi
|
||||
|
||||
for KEY in "${KEYS[@]}"; do
|
||||
rlPhaseStartTest "Test with key type $KEY"
|
||||
rlRun "su $USER -c 'ssh-keygen -t $KEY -f ~/.ssh/my_id_$KEY -N \"\"'" 0
|
||||
|
||||
# Without authorized_keys, the authentication should fail
|
||||
rlRun -s "su $USER -c 'eval \`ssh-agent\`; sudo id; ssh-agent -k'" 0
|
||||
rlAssertNotGrep "uid=0(root) gid=0(root)" $rlRun_LOG
|
||||
|
||||
# Append the keys only to make sure we can match also the non-first line
|
||||
rlRun "cat ~$USER/.ssh/my_id_${KEY}.pub >> $AUTH_KEYS"
|
||||
rlRun -s "su $USER -c 'eval \`ssh-agent\`; ssh-add ~/.ssh/my_id_$KEY; sudo id; ssh-agent -k'"
|
||||
rlAssertGrep "uid=0(root) gid=0(root)" $rlRun_LOG
|
||||
rlPhaseEnd
|
||||
done
|
||||
|
||||
if rlIsRHEL '<6.8' || ( rlIsRHEL '<7.3' && rlIsRHEL 7 ) ; then
|
||||
: # not available
|
||||
else
|
||||
rlPhaseStartSetup "Setup for authorized_keys_command"
|
||||
rlFileBackup --namespace ak_command $PAM_SUDO
|
||||
rlRun "rm -f $AUTH_KEYS"
|
||||
cat >$AK_COMMAND_BIN <<_EOF
|
||||
#!/bin/bash
|
||||
cat $AK_COMMAND_KEYS
|
||||
_EOF
|
||||
rlRun "chmod +x $AK_COMMAND_BIN"
|
||||
rlRun "sed -i 's|.*pam_ssh_agent_auth.*|auth sufficient pam_ssh_agent_auth.so authorized_keys_command=$AK_COMMAND_BIN authorized_keys_command_user=root|' $PAM_SUDO"
|
||||
rlRun "cat $PAM_SUDO"
|
||||
rlPhaseEnd
|
||||
|
||||
for KEY in "${KEYS[@]}"; do
|
||||
rlPhaseStartTest "Test authorized_keys_command with key type $KEY (bz1299555, bz1317858)"
|
||||
rlRun "cat ~$USER/.ssh/my_id_${KEY}.pub >$AK_COMMAND_KEYS"
|
||||
rlRun -s "su $USER -c 'eval \`ssh-agent\`; ssh-add ~/.ssh/my_id_$KEY; sudo id; ssh-agent -k'"
|
||||
rlAssertGrep "uid=0(root) gid=0(root)" $rlRun_LOG
|
||||
rlPhaseEnd
|
||||
done
|
||||
|
||||
rlPhaseStartCleanup "Cleanup for authorized_keys_command"
|
||||
rlFileRestore --namespace ak_command
|
||||
rlRun "rm -f $AK_COMMAND_BIN $AK_COMMAND_KEYS"
|
||||
rlPhaseEnd
|
||||
fi
|
||||
|
||||
if rlIsRHEL '>=7.3'; then # not in Fedora anymore
|
||||
rlPhaseStartTest "bz1312304 - Exposing information about succesful auth"
|
||||
rlRun "rlFileBackup --namespace exposing $PAM_SSHD"
|
||||
rlRun "rlFileBackup --namespace exposing $SSHD_CFG"
|
||||
rlRun "rlFileBackup --namespace exposing /root/.ssh/"
|
||||
rlRun "rm -f ~/.ssh/id_rsa*"
|
||||
rlRun "ssh-keygen -f ~/.ssh/id_rsa -N \"\"" 0
|
||||
rlRun "ssh-keyscan localhost >~/.ssh/known_hosts" 0
|
||||
USER_AK_FILE=~$USER/.ssh/authorized_keys
|
||||
rlRun "cat ~/.ssh/id_rsa.pub >$USER_AK_FILE"
|
||||
rlRun "chown $USER:$USER $USER_AK_FILE"
|
||||
rlRun "chmod 0600 $USER_AK_FILE"
|
||||
rlRun "gcc -fPIC -DPIC -shared -rdynamic -o $PAM_MODULE.o $PAM_MODULE.c"
|
||||
rlRun "test -d /lib64/security && cp $PAM_MODULE.o /lib64/security/" 0,1
|
||||
rlRun "test -d /lib/security && cp $PAM_MODULE.o /lib/security/" 0,1
|
||||
rlRun "sed -i '1 i auth optional $PAM_MODULE.o' $PAM_SSHD"
|
||||
|
||||
# pam-and-env should expose information to both PAM and environmental variable;
|
||||
# we will be testing only env variable here for the time being,
|
||||
rlRun "echo 'ExposeAuthenticationMethods pam-and-env' >>$SSHD_CFG"
|
||||
rlRun "sed -i '/^ChallengeResponseAuthentication/ d' $SSHD_CFG"
|
||||
rlRun "service sshd restart"
|
||||
rlWaitForSocket 22 -t 5
|
||||
rlRun -s "ssh -i ~/.ssh/id_rsa $USER@localhost \"env|grep SSH_USER_AUTH\"" 0 \
|
||||
"Environment variable SSH_USER_AUTH is set"
|
||||
rlAssertGrep "^SSH_USER_AUTH=publickey:" $rlRun_LOG
|
||||
rlRun "rm -f $rlRun_LOG"
|
||||
|
||||
# pam-only should expose information only to PAM and not to environment variable
|
||||
rlRun "sed -i 's/pam-and-env/pam-only/' $SSHD_CFG"
|
||||
rlRun "echo 'AuthenticationMethods publickey,keyboard-interactive:pam' >>$SSHD_CFG"
|
||||
rlRun "service sshd restart"
|
||||
rlWaitForSocket 22 -t 5
|
||||
ssh_with_pass() {
|
||||
ssh_args=("-i /root/.ssh/id_rsa")
|
||||
ssh_args+=("$USER@localhost")
|
||||
cat >ssh.exp <<_EOF
|
||||
#!/usr/bin/expect -f
|
||||
|
||||
set timeout 5
|
||||
spawn ssh ${ssh_args[*]} "echo CONNECTED; env|grep SSH_USER_AUTH"
|
||||
expect {
|
||||
-re {.*[Pp]assword.*} { send -- "$PASS\r"; exp_continue }
|
||||
timeout { exit 1 }
|
||||
eof { exit 0 }
|
||||
}
|
||||
_EOF
|
||||
rlRun -s "expect -f ssh.exp"
|
||||
}
|
||||
#rlRun -s "ssh ${ssh_args[*]} \"echo CONNECTED; env|grep SSH_USER_AUTH\"" 1 \
|
||||
#"Environment variable SSH_USER_AUTH is NOT set"
|
||||
rlRun "ssh_with_pass"
|
||||
rlRun "grep -q CONNECTED $rlRun_LOG" 0 "Connection was successful"
|
||||
rlAssertGrep "^SSH_USER_AUTH: 'publickey:" /tmp/SSH_USER_AUTH
|
||||
rlRun "cat /tmp/SSH_USER_AUTH"
|
||||
rlRun "rm -f $rlRun_LOG /tmp/SSH_USER_AUTH"
|
||||
for pm in /lib64/security/$PAM_MODULE.o /lib/security/$PAM_MODULE.o; do
|
||||
rlRun "test -e $pm && rm -f $pm" 0,1
|
||||
done
|
||||
rlRun "rlFileRestore --namespace exposing"
|
||||
rlPhaseEnd
|
||||
fi
|
||||
|
||||
rlPhaseStartCleanup
|
||||
rlRun "popd"
|
||||
rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
|
||||
rlRun "userdel -r $USER"
|
||||
rlFileRestore
|
||||
rlServiceRestore sshd
|
||||
rlPhaseEnd
|
||||
rlJournalPrintText
|
||||
rlJournalEnd
|
||||
@ -15,6 +15,7 @@
|
||||
- role: standard-test-beakerlib
|
||||
tests:
|
||||
- port-forwarding
|
||||
- pam_ssh_agent_auth
|
||||
required_packages:
|
||||
- iproute # needs ip command
|
||||
- procps-ng # needs ps and pgrep commands
|
||||
@ -24,3 +25,7 @@
|
||||
- net-tools # needs netstat command
|
||||
- libselinux-utils # needs selinuxenabled command
|
||||
- nmap-ncat # needs nc command
|
||||
- pam_ssh_agent_auth
|
||||
- gcc # needs to test pam_ssh_agent_auth
|
||||
- pam-devel # needs to test pam_ssh_agent_auth
|
||||
- expect # needs to test pam_ssh_agent_auth
|
||||
|
||||
Loading…
Reference in New Issue
Block a user