3 # Generates passwd, shadow and group files from the ldap directory.
5 import string, re, time, ldap, getopt, sys, os, posix, pwd;
6 from userdir_ldap import *;
14 return string.translate(Str,string.maketrans("\n\r\t","$$$"));
16 # See if this user is in the group list
17 def IsInGroup(DnRecord):
18 global Allowed,CurrentHost;
22 # See if the primary group is in the list
23 if Allowed.has_key(GetAttr(DnRecord,"gidnumber")) != 0:
26 # Check the host based ACL
27 if DnRecord[1].has_key("allowedhosts") != 0:
28 for I in DnRecord[1]["allowedhosts"]:
32 # See if there are supplementary groups
33 if DnRecord[1].has_key("supplementarygid") == 0:
36 # Check the supplementary groups
37 for I in DnRecord[1]["supplementarygid"]:
38 if Allowed.has_key(I):
47 try: os.remove(File + ".tmp");
49 try: os.remove(File + ".tdb.tmp");
55 os.rename(File + ".tmp",File);
58 os.rename(File + ".tdb.tmp",File+".tdb");
60 # Generate the password list
61 def GenPasswd(l,File,HomePrefix):
65 F = open(File + ".tmp","w");
66 Fdb = open(File + ".tdb.tmp","w");
70 if PasswdAttrs == None:
75 if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
78 # Do not let people try to buffer overflow some busted passwd parser.
79 if len(GetAttr(x,"gecos")) > 100 or len(GetAttr(x,"loginshell")) > 50:
82 Line = "%s:x:%s:%s:%s:%s%s:%s\n" % (GetAttr(x,"uid"),\
83 GetAttr(x,"uidnumber"),GetAttr(x,"gidnumber"),\
84 GetAttr(x,"gecos"),HomePrefix,GetAttr(x,"uid"),\
85 GetAttr(x,"loginshell"));
87 Fdb.write("0%u %s" % (I,Line));
88 Fdb.write(".%s %s" % (GetAttr(x,"uid"),Line));
89 Fdb.write("=%s %s" % (GetAttr(x,"uidnumber"),Line));
92 # Oops, something unspeakable happened.
98 # Generate the shadow list
99 def GenShadow(l,File):
103 OldMask = os.umask(0077);
104 F = open(File + ".tmp","w",0600);
105 Fdb = open(File + ".tdb.tmp","w",0600);
108 # Fetch all the users
110 if PasswdAttrs == None:
114 for x in PasswdAttrs:
115 if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
118 Pass = GetAttr(x,"userpassword");
119 if Pass[0:7] != "{crypt}" or len(Pass) > 50:
123 Line = "%s:%s:%s:%s:%s:%s:%s:%s:" % (GetAttr(x,"uid"),\
124 Pass,GetAttr(x,"shadowlastchange"),\
125 GetAttr(x,"shadowmin"),GetAttr(x,"shadowmax"),\
126 GetAttr(x,"shadowwarning"),GetAttr(x,"shadowinactive"),\
127 GetAttr(x,"shadowexpire"));
128 Line = Sanitize(Line) + "\n";
130 Fdb.write("0%u %s" % (I,Line));
131 Fdb.write(".%s %s" % (GetAttr(x,"uid"),Line));
134 # Oops, something unspeakable happened.
140 # Generate the shadow list
141 def GenSSHShadow(l,File):
145 OldMask = os.umask(0077);
146 F = open(File + ".tmp","w",0600);
150 # Fetch all the users
152 if PasswdAttrs == None:
156 for x in PasswdAttrs:
157 if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0 or \
158 x[1].has_key("sshrsaauthkey") == 0:
160 for I in x[1]["sshrsaauthkey"]:
161 Line = "%s: %s" %(GetAttr(x,"uid"),I);
162 Line = Sanitize(Line) + "\n";
165 # Oops, something unspeakable happened.
171 # Generate the group list
172 def GenGroup(l,File):
176 F = open(File + ".tmp","w");
177 Fdb = open(File + ".tdb.tmp","w");
179 # Generate the GroupMap
181 for x in GroupIDMap.keys():
184 # Fetch all the users
186 if PasswdAttrs == None:
189 # Sort them into a list of groups having a set of users
190 for x in PasswdAttrs:
191 if x[1].has_key("uidnumber") == 0 or IsInGroup(x) == 0:
193 if x[1].has_key("supplementarygid") == 0:
196 for I in x[1]["supplementarygid"]:
197 if GroupMap.has_key(I):
198 GroupMap[I].append(GetAttr(x,"uid"));
200 print "Group does not exist ",I,"but",GetAttr(x,"uid"),"is in it";
202 # Output the group file.
204 for x in GroupMap.keys():
205 Line = "%s:x:%u:" % (x,GroupIDMap[x]);
207 for I in GroupMap[x]:
208 Line = Line + ("%s%s" % (Comma,I));
210 Line = Sanitize(Line) + "\n";
212 Fdb.write("0%u %s" % (Counter,Line));
213 Fdb.write(".%s %s" % (x,Line));
214 Fdb.write("=%u %s" % (GroupIDMap[x],Line));
215 Counter = Counter + 1;
217 # Oops, something unspeakable happened.
223 # Generate the email forwarding list
224 def GenForward(l,File):
228 OldMask = os.umask(0022);
229 F = open(File + ".tmp","w",0644);
233 # Fetch all the users
235 if PasswdAttrs == None:
238 # Write out the email address for each user
239 for x in PasswdAttrs:
240 if x[1].has_key("emailforward") == 0 or IsInGroup(x) == 0:
243 # Do not allow people to try to buffer overflow busted parsers
244 if len(GetAttr(x,"emailforward")) > 200:
247 Line = "%s: %s" % (GetAttr(x,"uid"),GetAttr(x,"emailforward"));
248 Line = Sanitize(Line) + "\n";
251 # Oops, something unspeakable happened.
257 # Generate the anon XEarth marker file
258 def GenMarkers(l,File):
262 F = open(File + ".tmp","w");
265 # Fetch all the users
267 if PasswdAttrs == None:
270 # Write out the email address for each user
271 for x in PasswdAttrs:
272 if x[1].has_key("latitude") == 0 or x[1].has_key("longitude") == 0:
275 Line = "%8s %8s \"\""%(DecDegree(x,"latitude",1),DecDegree(x,"longitude",1));
276 Line = Sanitize(Line) + "\n";
281 # Oops, something unspeakable happened.
287 # Connect to the ldap server
288 l = ldap.open(LDAPServer);
289 F = open(PassDir+"/pass-"+pwd.getpwuid(posix.getuid())[0],"r");
290 Pass = string.split(string.strip(F.readline())," ");
292 l.simple_bind_s("uid="+Pass[0]+","+BaseDn,Pass[1]);
294 # Fetch all the groups
296 Attrs = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"gid=*",\
297 ["gid","gidnumber"]);
299 # Generate the GroupMap and GroupIDMap
301 if x[1].has_key("gidnumber") == 0:
303 GroupIDMap[x[1]["gid"][0]] = int(x[1]["gidnumber"][0]);
305 # Fetch all the users
306 PasswdAttrs = l.search_s(BaseDn,ldap.SCOPE_ONELEVEL,"uid=*",\
307 ["uid","uidnumber","gidnumber","supplementarygid",\
308 "gecos","loginshell","userpassword","shadowlastchange",\
309 "shadowmin","shadowmax","shadowwarning","shadowinactive",
310 "shadowexpire","emailforward","latitude","longitude",\
311 "allowedhosts","sshrsaauthkey"]);
313 # Open the control file
314 if len(sys.argv) == 1:
315 F = open(GenerateConf,"r");
317 F = open(sys.argv[1],"r")
322 Line = string.strip(Line);
328 Split = string.split(Line," ");
329 OutDir = GenerateDir + '/' + Split[0] + '/';
330 try: os.mkdir(OutDir);
333 # Get the group list and convert any named groups to numerics
337 if GroupIDMap.has_key(I):
338 GroupList[str(GroupIDMap[I])] = None;
340 global Allowed,CurrentHost;
342 CurrentHost = Split[0];
344 GenPasswd(l,OutDir+"passwd",Split[1]);
345 GenGroup(l,OutDir+"group");
346 GenShadow(l,OutDir+"shadow");
347 GenSSHShadow(l,OutDir+"ssh-rsa-shadow");
348 GenForward(l,OutDir+"forward-alias");
349 GenMarkers(l,OutDir+"markers");