[Kimchi-devel] [PATCHv2 3/7] Add LDAP authentication
lvroyce0210 at gmail.com
lvroyce0210 at gmail.com
Tue Oct 28 13:37:41 UTC 2014
From: Royce Lv <lvroyce at linux.vnet.ibm.com>
Add LDAP authentication, also deals with invalid user,
LDAP search base configure error and other LDAP errors.
Signed-off-by: Royce Lv <lvroyce at linux.vnet.ibm.com>
---
contrib/DEBIAN/control.in | 1 +
contrib/kimchi.spec.fedora.in | 1 +
contrib/kimchi.spec.suse.in | 1 +
docs/README.md | 12 ++++++-----
src/kimchi.conf.in | 3 +++
src/kimchi/auth.py | 48 +++++++++++++++++++++++++++++++++++++++++--
6 files changed, 59 insertions(+), 7 deletions(-)
diff --git a/contrib/DEBIAN/control.in b/contrib/DEBIAN/control.in
index 7372a58..0721960 100644
--- a/contrib/DEBIAN/control.in
+++ b/contrib/DEBIAN/control.in
@@ -27,6 +27,7 @@ Depends: python-cherrypy3 (>= 3.2.0),
firewalld,
nginx,
python-guestfs,
+ python-ldap,
libguestfs-tools
Build-Depends: libxslt,
python-libxml2,
diff --git a/contrib/kimchi.spec.fedora.in b/contrib/kimchi.spec.fedora.in
index 2ca3076..fcb8c11 100644
--- a/contrib/kimchi.spec.fedora.in
+++ b/contrib/kimchi.spec.fedora.in
@@ -29,6 +29,7 @@ Requires: nfs-utils
Requires: nginx
Requires: iscsi-initiator-utils
Requires: policycoreutils-python
+Requires: python-ldap
Requires: python-libguestfs
Requires: libguestfs-tools
BuildRequires: libxslt
diff --git a/contrib/kimchi.spec.suse.in b/contrib/kimchi.spec.suse.in
index 9ea240c..b8f0531 100644
--- a/contrib/kimchi.spec.suse.in
+++ b/contrib/kimchi.spec.suse.in
@@ -23,6 +23,7 @@ Requires: python-psutil >= 0.6.0
Requires: python-jsonschema >= 1.3.0
Requires: python-ethtool
Requires: python-ipaddr
+Requires: python-ldap
Requires: python-lxml
Requires: python-xml
Requires: nfs-client
diff --git a/docs/README.md b/docs/README.md
index 7703037..db219db 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -52,7 +52,7 @@ Install Dependencies
libvirt libxml2-python python-imaging \
PyPAM m2crypto python-jsonschema rpm-build \
qemu-kvm python-psutil python-ethtool sos \
- python-ipaddr python-lxml nfs-utils \
+ python-ipaddr python-ldap python-lxml nfs-utils \
iscsi-initiator-utils libxslt pyparted nginx \
policycoreutils-python python-libguestfs \
libguestfs-tools python-requests python-websockify \
@@ -77,8 +77,9 @@ for more information on how to configure your system to access this repository.
libvirt-bin python-libxml2 python-imaging \
python-pam python-m2crypto python-jsonschema \
qemu-kvm libtool python-psutil python-ethtool \
- sosreport python-ipaddr python-lxml nfs-common \
- open-iscsi lvm2 xsltproc python-parted nginx \
+ sosreport python-ipaddr python-ldap \
+ python-lxml nfs-common open-iscsi lvm2 xsltproc \
+ python-parted nginx \
firewalld python-guestfs libguestfs-tools \
python-requests websockify novnc
@@ -93,8 +94,9 @@ for more information on how to configure your system to access this repository.
libvirt python-libxml2 python-imaging \
python-pam python-M2Crypto python-jsonschema \
rpm-build kvm python-psutil python-ethtool \
- python-ipaddr python-lxml nfs-client open-iscsi \
- libxslt-tools python-xml python-parted nginx \
+ python-ipaddr python-ldap python-lxml nfs-client \
+ open-iscsi libxslt-tools python-xml \
+ python-parted nginx \
python-libguestfs guestfs-tools python-requests \
python-websockify novnc
diff --git a/src/kimchi.conf.in b/src/kimchi.conf.in
index 62eb40b..c83ba09 100644
--- a/src/kimchi.conf.in
+++ b/src/kimchi.conf.in
@@ -57,3 +57,6 @@
# User id filter
# ldap_search_filter = "uid=%(username)s"
+
+# User IDs regarded as kimchi admin
+# ldap_admin_id = "root, kimchi-admin"
diff --git a/src/kimchi/auth.py b/src/kimchi/auth.py
index ad3f3ac..214c320 100644
--- a/src/kimchi/auth.py
+++ b/src/kimchi/auth.py
@@ -20,6 +20,7 @@
import base64
import cherrypy
import fcntl
+import ldap
import multiprocessing
import os
import PAM
@@ -178,17 +179,60 @@ class PAMUser(User):
class LDAPUser(User):
auth_type = "ldap"
+
def __init__(self, username):
self.user = {}
self.user[USER_NAME] = username
- self.user[USER_GROUPS] = None
+ self.user[USER_GROUPS] = list()
# FIXME: user roles will be changed according roles assignment after
# objstore is integrated
self.user[USER_ROLES] = dict.fromkeys(tabs, 'user')
@staticmethod
def authenticate(username, password):
- return False
+ ldap_server = config.get("authentication", "ldap_server").strip('"')
+ ldap_search_base = config.get(
+ "authentication", "ldap_search_base").strip('"')
+ ldap_search_filter = config.get(
+ "authentication", "ldap_search_filter",
+ vars={"username": username.encode("utf-8")}).strip('"')
+
+ connect = ldap.open(ldap_server)
+ try:
+ try:
+ result = connect.search_s(
+ ldap_search_base, ldap.SCOPE_SUBTREE, ldap_search_filter)
+ if len(result) == 0:
+ entity = ldap_search_filter % {'username': username}
+ raise ldap.LDAPError("Invalid ldap entity:%s" % entity)
+ except ldap.NO_SUCH_OBJECT:
+ # ldap search base specified wrongly.
+ raise ldap.LDAPError(
+ "invalid ldap search base %s" % ldap_search_base)
+
+ try:
+ connect.bind_s(result[0][0], password)
+ except ldap.INVALID_CREDENTIALS:
+ # invalid user password
+ raise ldap.LDAPError("invalid user/passwd")
+ connect.unbind_s()
+ return True
+ except ldap.LDAPError, e:
+ arg = {"username": username, "code": e.message}
+ raise OperationFailed("KCHAUTH0001E", arg)
+
+ def get_groups(self):
+ return self.user[USER_GROUPS]
+
+ def get_roles(self):
+ admin_id = config.get("authentication", "ldap_admin_id").strip('"')
+ if self.user[USER_NAME] in admin_id.split(','):
+ self.user[USER_ROLES] = dict.fromkeys(tabs, 'admin')
+ return self.user[USER_ROLES]
+
+ def get_user(self):
+ return self.user
+
def from_browser():
# Enable Basic Authentication for REST tools.
--
1.8.3.2
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