################################################################################
import daklib.database, daklib.logging
-import apt_pkg, pg
-import sys, os, email.Utils, re
+import sys, os, re
+import apt_pkg, pg, ldap, email.Utils
# Globals
Cnf = None
################################################################################
-# These could possibly be daklib.db functions, and reused by
-# import-ldap-fingerprints
-
def get_uid_info():
byname = {}
byid = {}
################################################################################
+def get_ldap_name(entry):
+ name = []
+ for k in ["cn", "mn", "sn"]:
+ ret = entry.get(k)
+ if ret and ret[0] != "" and ret[0] != "-":
+ name.append(ret[0])
+ return " ".join(name)
+
+################################################################################
+
class Keyring:
gpg_invocation = "gpg --no-default-keyring --keyring %s" +\
" --with-colons --fingerprint --fingerprint"
keys = {}
+ fpr_lookup = {}
- def de_escape_str(self, str):
+ def de_escape_gpg_str(self, str):
esclist = re.split(r'(\\x..)', str)
for x in range(1,len(esclist),2):
esclist[x] = "%c" % (int(esclist[x][2:],16))
k = os.popen(self.gpg_invocation % keyring, "r")
keys = self.keys
key = None
+ fpr_lookup = self.fpr_lookup
signingkey = False
for line in k.xreadlines():
field = line.split(":")
if name == "" or addr == "" or "@" not in addr:
name = field[9]
addr = "invalid-uid"
- name = self.de_escape_str(name)
+ name = self.de_escape_gpg_str(name)
keys[key] = {"email": addr}
if name != "": keys[key]["name"] = name
keys[key]["aliases"] = [name]
keys[key]["aliases"].append(name)
elif signingkey and field[0] == "fpr":
keys[key]["fingerprints"].append(field[9])
+ fpr_lookup[field[9]] = key
+
+ def generate_desired_users(self):
+ if Options["Generate-Users"]:
+ format = Options["Generate-Users"]
+ return self.generate_users_from_keyring(format)
+ if Options["Import-Ldap-Users"]:
+ return self.import_users_from_ldap()
+ return ({}, {})
+
+ def import_users_from_ldap(self):
+ LDAPDn = Cnf["Import-LDAP-Fingerprints::LDAPDn"]
+ LDAPServer = Cnf["Import-LDAP-Fingerprints::LDAPServer"]
+ l = ldap.open(LDAPServer)
+ l.simple_bind_s("","")
+ Attrs = l.search_s(LDAPDn, ldap.SCOPE_ONELEVEL,
+ "(&(keyfingerprint=*)(gidnumber=%s))" % (Cnf["Import-Users-From-Passwd::ValidGID"]),
+ ["uid", "keyfingerprint", "cn", "mn", "sn"])
+
+ ldap_fin_uid_id = {}
- def desired_users(self, format="%s"):
- if not Options["Generate-Users"]:
- return ({}, {})
+ byuid = {}
+ byname = {}
+ keys = self.keys
+ fpr_lookup = self.fpr_lookup
+
+ for i in Attrs:
+ entry = i[1]
+ uid = entry["uid"][0]
+ name = get_ldap_name(entry)
+ fingerprints = entry["keyFingerPrint"]
+ id = None
+ for f in fingerprints:
+ key = fpr_lookup.get(f, None)
+ if key not in keys: continue
+ keys[key]["uid"] = uid
+
+ if id != None: continue
+ id = daklib.database.get_or_set_uid_id(uid)
+ byuid[id] = (uid, name)
+ byname[uid] = (id, name)
+
+ return (byname, byuid)
+ def generate_users_from_keyring(self, format):
byuid = {}
byname = {}
keys = self.keys
for x in keys.keys():
if keys[x]["email"] == "invalid-uid":
any_invalid = True
+ keys[x]["uid"] = format % "invalid-uid"
else:
uid = format % keys[x]["email"]
id = daklib.database.get_or_set_uid_id(uid)
byuid[id] = (uid, keys[x]["name"])
byname[uid] = (id, keys[x]["name"])
+ keys[x]["uid"] = uid
if any_invalid:
uid = format % "invalid-uid"
id = daklib.database.get_or_set_uid_id(uid)
def usage (exit_code=0):
print """Usage: dak import-keyring [OPTION]... [KEYRING]
-h, --help show this help and exit.
+ -L, --import-ldap-users generate uid entries for keyring from LDAP
-U, --generate-users FMT generate uid entries from keyring as FMT"""
sys.exit(exit_code)
Cnf = daklib.utils.get_conf()
Arguments = [('h',"help","Import-Keyring::Options::Help"),
+ ('L',"import-ldap-users","Import-Keyring::Options::Import-Ldap-Users"),
('U',"generate-users","Import-Keyring::Options::Generate-Users", "HasArg"),
]
- for i in [ "help", "report-changes", "generate-users" ]:
+ for i in [ "help", "report-changes", "generate-users", "import-ldap-users" ]:
if not Cnf.has_key("Import-Keyring::Options::%s" % (i)):
Cnf["Import-Keyring::Options::%s" % (i)] = ""
keyring_names = apt_pkg.ParseCommandLine(Cnf, Arguments, sys.argv)
+ ### Parse options
+
Options = Cnf.SubTree("Import-Keyring::Options")
if Options["Help"]:
usage()
- uid_format = "%s"
- if Options["Generate-Users"]:
- uid_format = Options["Generate-Users"]
+ if len(keyring_names) != 1:
+ usage(1)
+
+ ### Keep track of changes made
changes = [] # (uid, changes strings)
+ ### Initialise
+
projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]))
daklib.database.init(Cnf, projectB)
projectB.query("BEGIN WORK")
- if len(keyring_names) != 1:
- usage(1)
+ ### Cache all the existing fingerprint entries
+
+ db_fin_info = get_fingerprint_info()
+
+ ### Parse the keyring
- # Parse the keyring
keyringname = keyring_names[0]
keyring = Keyring(keyringname)
keyring_id = daklib.database.get_or_set_keyring_id(
keyringname.split("/")[-1])
- # If we're generating uids, make sure we have entries in the uid
- # table for every uid
- (desuid_byname, desuid_byid) = keyring.desired_users(uid_format)
+ ### Generate new uid entries if they're needed (from LDAP or the keyring)
+ (desuid_byname, desuid_byid) = keyring.generate_desired_users()
- # Cache all the existing fingerprint and uid entries
- db_fin_info = get_fingerprint_info()
+ ### Cache all the existing uid entries
(db_uid_byname, db_uid_byid) = get_uid_info()
- # Update full names of uids
-
+ ### Update full names of applicable users
for id in desuid_byid.keys():
uid = (id, desuid_byid[id][0])
name = desuid_byid[id][1]
projectB.query("UPDATE uid SET name = '%s' WHERE id = %s" %
(pg.escape_string(name), id))
- # Work out what the fingerprint table should look like for the keys
- # in this keyring
+ # The fingerprint table (fpr) points to a uid and a keyring.
+ # If the uid is being decided here (ldap/generate) we set it to it.
+ # Otherwise, if the fingerprint table already has a uid (which we've
+ # cached earlier), we preserve it.
+ # Otherwise we leave it as None
+
fpr = {}
for z in keyring.keys.keys():
- id = db_uid_byname.get(uid_format % keyring.keys[z]["email"], [None])[0]
+ id = db_uid_byname.get(keyring.keys[z].get("uid", None), [None])[0]
if id == None:
id = db_fin_info.get(keyring.keys[z]["fingerprints"][0], [None])[0]
for y in keyring.keys[z]["fingerprints"]:
fpr[y] = (id,keyring_id)
# For any keys that used to be in this keyring, disassociate them.
- # We don't change the uid, leaving that to for historical info; if
- # the id should change, it'll be set when importing another keyring
- # or importing ldap fingerprints.
+ # We don't change the uid, leaving that for historical info; if
+ # the id should change, it'll be set when importing another keyring.
for f,(u,fid,kr) in db_fin_info.iteritems():
if kr != keyring_id: continue
if f in fpr: continue
changes.append((db_uid_byid.get(u, [None])[0], "Removed key: %s\n" % (f)))
projectB.query("UPDATE fingerprint SET keyring = NULL WHERE id = %d" % (fid))
-
+
# For the keys in this keyring, add/update any fingerprints that've
# changed.