diff options
| -rw-r--r-- | debian/vyos-1x.postinst | 25 | ||||
| -rw-r--r-- | debian/vyos-1x.preinst | 2 | ||||
| -rw-r--r-- | interface-definitions/include/radius-server-ipv4-ipv6.xml.i | 20 | ||||
| -rw-r--r-- | interface-definitions/system-login.xml.in | 20 | ||||
| -rwxr-xr-x | src/conf_mode/system-login.py | 27 | ||||
| -rw-r--r-- | src/pam-configs/radius | 20 | ||||
| -rw-r--r-- | src/pam-configs/radius-mandatory | 19 | ||||
| -rw-r--r-- | src/pam-configs/radius-optional | 19 | ||||
| -rw-r--r-- | src/pam-configs/tacplus | 17 | ||||
| -rw-r--r-- | src/pam-configs/tacplus-mandatory | 17 | ||||
| -rw-r--r-- | src/pam-configs/tacplus-optional | 17 |
11 files changed, 141 insertions, 62 deletions
diff --git a/debian/vyos-1x.postinst b/debian/vyos-1x.postinst index b43416152..860319edf 100644 --- a/debian/vyos-1x.postinst +++ b/debian/vyos-1x.postinst @@ -29,14 +29,9 @@ do sed -i "/^# Standard Un\*x authentication\./i${PAM_CONFIG}" $file done -# We do not make use of a TACACS UNIX group - drop it -if grep -q '^tacacs' /etc/group; then - delgroup tacacs -fi - -# Both RADIUS and TACACS users belong to aaa group - this must be added first -if ! grep -q '^aaa' /etc/group; then - addgroup --firstgid 1000 --quiet aaa +# We need to have a group for RADIUS service users to use it inside PAM rules +if ! grep -q '^radius' /etc/group; then + addgroup --firstgid 1000 --quiet radius fi # Remove TACACS user added by base package - we use our own UID range and group @@ -53,6 +48,11 @@ if grep -q '^tacacs' /etc/passwd; then fi fi +# Remove TACACS+ PAM default profile +if [[ -e /usr/share/pam-configs/tacplus ]]; then + rm /usr/share/pam-configs/tacplus +fi + # Add TACACS system users required for TACACS based system authentication if ! grep -q '^tacacs' /etc/passwd; then # Add the tacacs group and all 16 possible tacacs privilege-level users to @@ -64,14 +64,13 @@ if ! grep -q '^tacacs' /etc/passwd; then level=0 vyos_group=vyattaop while [ $level -lt 16 ]; do - adduser --quiet --system --firstuid 900 --disabled-login --ingroup users \ + adduser --quiet --system --firstuid 900 --disabled-login --ingroup tacacs \ --no-create-home --gecos "TACACS+ mapped user at privilege level ${level}" \ --shell /bin/vbash tacacs${level} adduser --quiet tacacs${level} frrvty adduser --quiet tacacs${level} adm adduser --quiet tacacs${level} dip adduser --quiet tacacs${level} users - adduser --quiet tacacs${level} aaa if [ $level -lt 15 ]; then adduser --quiet tacacs${level} vyattaop adduser --quiet tacacs${level} operator @@ -87,7 +86,7 @@ fi # Add RADIUS operator user for RADIUS authenticated users to map to if ! grep -q '^radius_user' /etc/passwd; then - adduser --quiet --firstuid 1000 --disabled-login --ingroup users \ + adduser --quiet --firstuid 1000 --disabled-login --ingroup radius \ --no-create-home --gecos "RADIUS mapped user at privilege level operator" \ --shell /sbin/radius_shell radius_user adduser --quiet radius_user frrvty @@ -96,12 +95,11 @@ if ! grep -q '^radius_user' /etc/passwd; then adduser --quiet radius_user adm adduser --quiet radius_user dip adduser --quiet radius_user users - adduser --quiet radius_user aaa fi # Add RADIUS admin user for RADIUS authenticated users to map to if ! grep -q '^radius_priv_user' /etc/passwd; then - adduser --quiet --firstuid 1000 --disabled-login --ingroup users \ + adduser --quiet --firstuid 1000 --disabled-login --ingroup radius \ --no-create-home --gecos "RADIUS mapped user at privilege level admin" \ --shell /sbin/radius_shell radius_priv_user adduser --quiet radius_priv_user frrvty @@ -112,7 +110,6 @@ if ! grep -q '^radius_priv_user' /etc/passwd; then adduser --quiet radius_priv_user disk adduser --quiet radius_priv_user users adduser --quiet radius_priv_user frr - adduser --quiet radius_priv_user aaa fi # add hostsd group for vyos-hostsd diff --git a/debian/vyos-1x.preinst b/debian/vyos-1x.preinst index 16c118cb7..9bd6331a8 100644 --- a/debian/vyos-1x.preinst +++ b/debian/vyos-1x.preinst @@ -2,8 +2,6 @@ dpkg-divert --package vyos-1x --add --no-rename /etc/securetty dpkg-divert --package vyos-1x --add --no-rename /etc/security/capability.conf dpkg-divert --package vyos-1x --add --no-rename /lib/systemd/system/lcdproc.service dpkg-divert --package vyos-1x --add --no-rename /etc/logrotate.d/conntrackd -dpkg-divert --package vyos-1x --add --no-rename /usr/share/pam-configs/radius -dpkg-divert --package vyos-1x --add --no-rename /usr/share/pam-configs/tacplus dpkg-divert --package vyos-1x --add --no-rename /etc/rsyslog.conf dpkg-divert --package vyos-1x --add --no-rename /etc/skel/.bashrc dpkg-divert --package vyos-1x --add --no-rename /etc/skel/.profile diff --git a/interface-definitions/include/radius-server-ipv4-ipv6.xml.i b/interface-definitions/include/radius-server-ipv4-ipv6.xml.i index efd418bb2..a0cdcd7c3 100644 --- a/interface-definitions/include/radius-server-ipv4-ipv6.xml.i +++ b/interface-definitions/include/radius-server-ipv4-ipv6.xml.i @@ -46,6 +46,26 @@ <multi/> </properties> </leafNode> + <leafNode name="security-mode"> + <properties> + <help>Security mode for RADIUS authentication</help> + <completionHelp> + <list>mandatory optional</list> + </completionHelp> + <valueHelp> + <format>mandatory</format> + <description>Deny access immediately if RADIUS answers with Access-Reject</description> + </valueHelp> + <valueHelp> + <format>optional</format> + <description>Pass to the next authentication method if RADIUS answers with Access-Reject</description> + </valueHelp> + <constraint> + <regex>(mandatory|optional)</regex> + </constraint> + </properties> + <defaultValue>optional</defaultValue> + </leafNode> </children> </node> <!-- include end --> diff --git a/interface-definitions/system-login.xml.in b/interface-definitions/system-login.xml.in index 71db8b1d6..30fea91b0 100644 --- a/interface-definitions/system-login.xml.in +++ b/interface-definitions/system-login.xml.in @@ -259,6 +259,26 @@ </constraint> </properties> </leafNode> + <leafNode name="security-mode"> + <properties> + <help>Security mode for TACACS+ authentication</help> + <completionHelp> + <list>mandatory optional</list> + </completionHelp> + <valueHelp> + <format>mandatory</format> + <description>Deny access immediately if TACACS+ answers with REJECT</description> + </valueHelp> + <valueHelp> + <format>optional</format> + <description>Pass to the next authentication method if TACACS+ answers with REJECT</description> + </valueHelp> + <constraint> + <regex>(mandatory|optional)</regex> + </constraint> + </properties> + <defaultValue>optional</defaultValue> + </leafNode> #include <include/radius-timeout.xml.i> #include <include/interface/vrf.xml.i> </children> diff --git a/src/conf_mode/system-login.py b/src/conf_mode/system-login.py index 02c97afaa..87a269499 100755 --- a/src/conf_mode/system-login.py +++ b/src/conf_mode/system-login.py @@ -104,6 +104,9 @@ def get_config(config=None): # prune TACACS global defaults if not set by user if login.from_defaults(['tacacs']): del login['tacacs'] + # same for RADIUS + if login.from_defaults(['radius']): + del login['radius'] # create a list of all users, cli and users all_users = list(set(local_users + cli_users)) @@ -377,17 +380,23 @@ def apply(login): except Exception as e: raise ConfigError(f'Deleting user "{user}" raised exception: {e}') - # Enable RADIUS in PAM configuration - pam_cmd = '--remove' + # Enable/disable RADIUS in PAM configuration + cmd('pam-auth-update --disable radius-mandatory radius-optional') if 'radius' in login: - pam_cmd = '--enable' - cmd(f'pam-auth-update --package {pam_cmd} radius') - - # Enable/Disable TACACS in PAM configuration - pam_cmd = '--remove' + if login['radius'].get('security_mode', '') == 'mandatory': + pam_profile = 'radius-mandatory' + else: + pam_profile = 'radius-optional' + cmd(f'pam-auth-update --enable {pam_profile}') + + # Enable/disable TACACS+ in PAM configuration + cmd('pam-auth-update --disable tacplus-mandatory tacplus-optional') if 'tacacs' in login: - pam_cmd = '--enable' - cmd(f'pam-auth-update --package {pam_cmd} tacplus') + if login['tacacs'].get('security_mode', '') == 'mandatory': + pam_profile = 'tacplus-mandatory' + else: + pam_profile = 'tacplus-optional' + cmd(f'pam-auth-update --enable {pam_profile}') return None diff --git a/src/pam-configs/radius b/src/pam-configs/radius deleted file mode 100644 index eee9cb93e..000000000 --- a/src/pam-configs/radius +++ /dev/null @@ -1,20 +0,0 @@ -Name: RADIUS authentication -Default: no -Priority: 257 -Auth-Type: Primary -Auth: - [default=ignore success=2] pam_succeed_if.so service = sudo - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=end default=ignore] pam_radius_auth.so - -Account-Type: Primary -Account: - [default=ignore success=2] pam_succeed_if.so service = sudo - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=end perm_denied=bad default=ignore] pam_radius_auth.so - -Session-Type: Additional -Session: - [default=ignore success=2] pam_succeed_if.so service = sudo - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=ok default=ignore] pam_radius_auth.so diff --git a/src/pam-configs/radius-mandatory b/src/pam-configs/radius-mandatory new file mode 100644 index 000000000..3368fe7ff --- /dev/null +++ b/src/pam-configs/radius-mandatory @@ -0,0 +1,19 @@ +Name: RADIUS authentication (mandatory mode) +Default: no +Priority: 576 + +Auth-Type: Primary +Auth-Initial: + [default=ignore success=end auth_err=die perm_denied=die user_unknown=die] pam_radius_auth.so +Auth: + [default=ignore success=end auth_err=die perm_denied=die user_unknown=die] pam_radius_auth.so use_first_pass + +Account-Type: Primary +Account: + [default=ignore success=1] pam_succeed_if.so user notingroup radius quiet + [default=ignore success=end] pam_radius_auth.so + +Session-Type: Additional +Session: + [default=ignore success=1] pam_succeed_if.so user notingroup radius quiet + [default=bad success=ok] pam_radius_auth.so diff --git a/src/pam-configs/radius-optional b/src/pam-configs/radius-optional new file mode 100644 index 000000000..73085061d --- /dev/null +++ b/src/pam-configs/radius-optional @@ -0,0 +1,19 @@ +Name: RADIUS authentication (optional mode) +Default: no +Priority: 576 + +Auth-Type: Primary +Auth-Initial: + [default=ignore success=end] pam_radius_auth.so +Auth: + [default=ignore success=end] pam_radius_auth.so use_first_pass + +Account-Type: Primary +Account: + [default=ignore success=1] pam_succeed_if.so user notingroup radius quiet + [default=ignore success=end] pam_radius_auth.so + +Session-Type: Additional +Session: + [default=ignore success=1] pam_succeed_if.so user notingroup radius quiet + [default=ignore success=ok perm_denied=bad user_unknown=bad] pam_radius_auth.so diff --git a/src/pam-configs/tacplus b/src/pam-configs/tacplus deleted file mode 100644 index 66a1eaa4c..000000000 --- a/src/pam-configs/tacplus +++ /dev/null @@ -1,17 +0,0 @@ -Name: TACACS+ authentication -Default: no -Priority: 257 -Auth-Type: Primary -Auth: - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=end auth_err=bad default=ignore] pam_tacplus.so include=/etc/tacplus_servers login=login - -Account-Type: Primary -Account: - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=end perm_denied=bad default=ignore] pam_tacplus.so include=/etc/tacplus_servers login=login - -Session-Type: Additional -Session: - [default=ignore success=ignore] pam_succeed_if.so user ingroup aaa quiet - [authinfo_unavail=ignore success=ok default=ignore] pam_tacplus.so include=/etc/tacplus_servers login=login diff --git a/src/pam-configs/tacplus-mandatory b/src/pam-configs/tacplus-mandatory new file mode 100644 index 000000000..ffccece19 --- /dev/null +++ b/src/pam-configs/tacplus-mandatory @@ -0,0 +1,17 @@ +Name: TACACS+ authentication (mandatory mode) +Default: no +Priority: 576 + +Auth-Type: Primary +Auth: + [default=ignore success=end auth_err=die perm_denied=die user_unknown=die] pam_tacplus.so include=/etc/tacplus_servers login=login + +Account-Type: Primary +Account: + [default=ignore success=1] pam_succeed_if.so user notingroup tacacs quiet + [default=bad success=end] pam_tacplus.so include=/etc/tacplus_servers login=login + +Session-Type: Additional +Session: + [default=ignore success=1] pam_succeed_if.so user notingroup tacacs quiet + [default=bad success=ok] pam_tacplus.so include=/etc/tacplus_servers login=login diff --git a/src/pam-configs/tacplus-optional b/src/pam-configs/tacplus-optional new file mode 100644 index 000000000..095c3a164 --- /dev/null +++ b/src/pam-configs/tacplus-optional @@ -0,0 +1,17 @@ +Name: TACACS+ authentication (optional mode) +Default: no +Priority: 576 + +Auth-Type: Primary +Auth: + [default=ignore success=end] pam_tacplus.so include=/etc/tacplus_servers login=login + +Account-Type: Primary +Account: + [default=ignore success=1] pam_succeed_if.so user notingroup tacacs quiet + [default=ignore success=end auth_err=bad perm_denied=bad user_unknown=bad] pam_tacplus.so include=/etc/tacplus_servers login=login + +Session-Type: Additional +Session: + [default=ignore success=1] pam_succeed_if.so user notingroup tacacs quiet + [default=ignore success=ok session_err=bad user_unknown=bad] pam_tacplus.so include=/etc/tacplus_servers login=login |