# -*- mode: python -*-
# Generates passwd, shadow and group files from the ldap directory.
-import string, re, time, ldap, getopt, sys, os, posix, pwd;
+import string, re, time, ldap, getopt, sys, os, pwd;
from userdir_ldap import *;
PasswdAttrs = None;
GroupIDMap = {};
+Allowed = None;
+CurrentHost = "";
+
+def Sanitize(Str):
+ return string.translate(Str,string.maketrans("\n\r\t","$$$"));
# See if this user is in the group list
-def IsInGroup(DnRecord,Allowed):
+def IsInGroup(DnRecord):
+ global Allowed,CurrentHost;
+ if Allowed == None:
+ return 1;
+
# See if the primary group is in the list
if Allowed.has_key(GetAttr(DnRecord,"gidnumber")) != 0:
return 1;
+ # Check the host based ACL
+ if DnRecord[1].has_key("allowedhosts") != 0:
+ for I in DnRecord[1]["allowedhosts"]:
+ if CurrentHost == I:
+ return 1;
+
# See if there are supplementary groups
if DnRecord[1].has_key("supplementarygid") == 0:
return 0;
os.rename(File + ".tdb.tmp",File+".tdb");
# Generate the password list
-def GenPasswd(l,File,HomePrefix,Allowed):
+def GenPasswd(l,File,HomePrefix):
F = None;
Fdb = None;
try:
I = 0;
for x in PasswdAttrs:
- if x[1].has_key("uidnumber") == 0 or IsInGroup(x,Allowed) == 0:
+ if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
continue;
-
+
+ # Do not let people try to buffer overflow some busted passwd parser.
+ if len(GetAttr(x,"gecos")) > 100 or len(GetAttr(x,"loginshell")) > 50:
+ continue;
+
Line = "%s:x:%s:%s:%s:%s%s:%s\n" % (GetAttr(x,"uid"),\
GetAttr(x,"uidnumber"),GetAttr(x,"gidnumber"),\
GetAttr(x,"gecos"),HomePrefix,GetAttr(x,"uid"),\
Done(File,F,Fdb);
# Generate the shadow list
-def GenShadow(l,File,Allowed):
+def GenShadow(l,File):
F = None;
Fdb = None;
try:
I = 0;
for x in PasswdAttrs:
- if x[1].has_key("uidnumber") == 0 or IsInGroup(x,Allowed) == 0:
+ if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
continue;
Pass = GetAttr(x,"userpassword");
- if Pass[0:7] != "{crypt}":
+ if Pass[0:7] != "{crypt}" or len(Pass) > 50:
Pass = '*';
else:
Pass = Pass[7:];
- Line = "%s:%s:%s:%s:%s:%s:%s:%s:\n" % (GetAttr(x,"uid"),\
+ Line = "%s:%s:%s:%s:%s:%s:%s:%s:" % (GetAttr(x,"uid"),\
Pass,GetAttr(x,"shadowlastchange"),\
GetAttr(x,"shadowmin"),GetAttr(x,"shadowmax"),\
GetAttr(x,"shadowwarning"),GetAttr(x,"shadowinactive"),\
GetAttr(x,"shadowexpire"));
+ Line = Sanitize(Line) + "\n";
F.write(Line);
Fdb.write("0%u %s" % (I,Line));
Fdb.write(".%s %s" % (GetAttr(x,"uid"),Line));
raise;
Done(File,F,Fdb);
+# Generate the shadow list
+def GenSSHShadow(l,File):
+ F = None;
+ Fdb = None;
+ try:
+ OldMask = os.umask(0077);
+ F = open(File + ".tmp","w",0600);
+ Fdb = None;
+ os.umask(OldMask);
+
+ # Fetch all the users
+ global PasswdAttrs;
+ if PasswdAttrs == None:
+ raise "No Users";
+
+ I = 0;
+ for x in PasswdAttrs:
+ if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0 or \
+ x[1].has_key("sshrsaauthkey") == 0:
+ continue;
+ for I in x[1]["sshrsaauthkey"]:
+ Line = "%s: %s" %(GetAttr(x,"uid"),I);
+ Line = Sanitize(Line) + "\n";
+ F.write(Line);
+
+ # Oops, something unspeakable happened.
+ except:
+ Die(F,Fdb);
+ raise;
+ Done(File,F,Fdb);
+
# Generate the group list
-def GenGroup(l,File,Allowed):
+def GenGroup(l,File):
F = None;
Fdb = None;
try:
# Sort them into a list of groups having a set of users
for x in PasswdAttrs:
- if x[1].has_key("uidnumber") == 0 or IsInGroup(x,Allowed) == 0:
+ if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
continue;
if x[1].has_key("supplementarygid") == 0:
continue;
# Output the group file.
Counter = 0;
for x in GroupMap.keys():
+ if GroupIDMap.has_key(x) == 0:
+ continue;
Line = "%s:x:%u:" % (x,GroupIDMap[x]);
Comma = '';
for I in GroupMap[x]:
Line = Line + ("%s%s" % (Comma,I));
Comma = ',';
- Line = Line + '\n';
+ Line = Sanitize(Line) + "\n";
F.write(Line);
Fdb.write("0%u %s" % (Counter,Line));
Fdb.write(".%s %s" % (x,Line));
Done(File,F,Fdb);
# Generate the email forwarding list
-def GenForward(l,File,Allowed):
+def GenForward(l,File):
F = None;
Fdb = None;
try:
- F = open(File + ".tmp","w");
+ OldMask = os.umask(0022);
+ F = open(File + ".tmp","w",0644);
Fdb = None;
+ os.umask(OldMask);
# Fetch all the users
global PasswdAttrs;
# Write out the email address for each user
for x in PasswdAttrs:
- if x[1].has_key("emailforward") == 0 or IsInGroup(x,Allowed) == 0:
+ if x[1].has_key("emailforward") == 0 or IsInGroup(x) == 0:
continue;
- Line = "%s: %s\n" % (GetAttr(x,"uid"),GetAttr(x,"emailforward"));
+
+ # Do not allow people to try to buffer overflow busted parsers
+ if len(GetAttr(x,"emailforward")) > 200:
+ continue;
+
+ Line = "%s: %s" % (GetAttr(x,"uid"),GetAttr(x,"emailforward"));
+ Line = Sanitize(Line) + "\n";
F.write(Line);
# Oops, something unspeakable happened.
if PasswdAttrs == None:
raise "No Users";
- # Write out the email address for each user
+ # Write out the position for each user
for x in PasswdAttrs:
if x[1].has_key("latitude") == 0 or x[1].has_key("longitude") == 0:
continue;
try:
- F.write("%8s %8s \"\"\n"%(DecDegree(x,"latitude",1),DecDegree(x,"longitude",1)));
+ Line = "%8s %8s \"\""%(DecDegree(GetAttr(x,"latitude"),1),DecDegree(GetAttr(x,"longitude"),1));
+ Line = Sanitize(Line) + "\n";
+ F.write(Line);
except:
pass;
raise;
Done(File,F,Fdb);
+# Generate the DNS Zone file
+def GenDNS(l,File):
+ F = None;
+ Fdb = None;
+ try:
+ F = open(File + ".tmp","w");
+ Fdb = None;
+
+ # Fetch all the users
+ global PasswdAttrs;
+ if PasswdAttrs == None:
+ raise "No Users";
+
+ # Write out the zone file entry for each user
+ for x in PasswdAttrs:
+ if x[1].has_key("dnszoneentry") == 0:
+ continue;
+ try:
+ F.write("; %s\n"%(EmailAddress(x)));
+ for z in x[1]["dnszoneentry"]:
+ Split = string.split(string.lower(z));
+ if string.lower(Split[1]) == 'in':
+ for y in range(0,len(Split)):
+ if Split[y] == "$":
+ Split[y] = "\n\t";
+ Line = string.join(Split," ") + "\n";
+ F.write(Line);
+
+ # Write some identication information
+ if string.lower(Split[2]) != "cname":
+ Line = "%s IN TXT \"%s\"\n"%(Split[0],EmailAddress(x));
+ for y in x[1]["keyfingerprint"]:
+ Line = Line + "%s IN TXT \"PGP %s\"\n"%(Split[0],FormatPGPKey(y));
+ F.write(Line);
+ else:
+ Line = "; Err %s"%(str(Split));
+ F.write(Line);
+
+ F.write("\n");
+ except:
+ pass;
+
+ # Oops, something unspeakable happened.
+ except:
+ Die(F,Fdb);
+ raise;
+ Done(File,F,Fdb);
+
# Connect to the ldap server
l = ldap.open(LDAPServer);
-F = open(PassDir+"/pass-"+pwd.getpwuid(posix.getuid())[0],"r");
+F = open(PassDir+"/pass-"+pwd.getpwuid(os.getuid())[0],"r");
Pass = string.split(string.strip(F.readline())," ");
F.close();
l.simple_bind_s("uid="+Pass[0]+","+BaseDn,Pass[1]);
["uid","uidnumber","gidnumber","supplementarygid",\
"gecos","loginshell","userpassword","shadowlastchange",\
"shadowmin","shadowmax","shadowwarning","shadowinactive",
- "shadowexpire","emailforward","latitude","longitude"]);
+ "shadowexpire","emailforward","latitude","longitude",\
+ "allowedhosts","sshrsaauthkey","dnszoneentry","cn","sn",\
+ "keyfingerprint"]);
# Open the control file
if len(sys.argv) == 1:
# Get the group list and convert any named groups to numerics
GroupList = {};
+ ExtraList = {};
for I in Split[2:]:
+ if I[0] == '[':
+ ExtraList[I] = None;
+ continue;
GroupList[I] = None;
if GroupIDMap.has_key(I):
GroupList[str(GroupIDMap[I])] = None;
- GenPasswd(l,OutDir+"passwd",Split[1],GroupList);
- GenGroup(l,OutDir+"group",GroupList);
- GenShadow(l,OutDir+"shadow",GroupList);
- GenForward(l,OutDir+"forward-alias",GroupList);
+ global Allowed,CurrentHost;
+ Allowed = GroupList;
+ CurrentHost = Split[0];
+
+ GenPasswd(l,OutDir+"passwd",Split[1]);
+ GenGroup(l,OutDir+"group");
+ GenShadow(l,OutDir+"shadow");
+ GenSSHShadow(l,OutDir+"ssh-rsa-shadow");
+ GenForward(l,OutDir+"forward-alias");
GenMarkers(l,OutDir+"markers");
+ if ExtraList.has_key("[DNS]"):
+ GenDNS(l,OutDir+"dns-zone");
+
projects / mirror / userdir-ldap.git / blobdiff