#VERIFICATION FOR XENIAL (1.13.4-1ubuntu1.5)

Using the following script to test "faulty" users (with trailing /r /n):

ubuntu@vtapia-xenial:~$ cat san.sh 
#!/bin/bash

echo '- SSSD version'
dpkg -l | grep sssd-common

echo '- Query "user1"'
sss_cache -E; getent passwd 'user1'
ldbsearch -H /var/lib/sss/db/cache_openstacklocal.ldb -b 
name=user1,cn=users,cn=openstacklocal,cn=sysdb 2>&1 | grep entries

echo '- Query "user1\n"'
sudo sss_cache -E; getent passwd 'user1
'
ldbsearch -H /var/lib/sss/db/cache_openstacklocal.ldb -b 
name=user1,cn=users,cn=openstacklocal,cn=sysdb 2>&1 | grep entries

echo '- Query "user1\r"'
sudo sss_cache -E; getent passwd $(echo -e "user1\r")
ldbsearch -H /var/lib/sss/db/cache_openstacklocal.ldb -b 
name=user1,cn=users,cn=openstacklocal,cn=sysdb 2>&1 | grep entries

echo '- SSSD log'
grep 'calling ldap_search_ext with' /var/log/sssd/sssd_openstacklocal.log | 
grep user1 | tail -n3


I can confirm the bug is fixed:

ubuntu@vtapia-xenial:~$ sudo ./san.sh 
- SSSD version
ii  sssd-common                       1.13.4-1ubuntu1.5                         
 amd64        System Security Services Daemon -- common files
- Query "user1"
user1:*:10000:5000:user1:/home/user1:/bin/bash
# 1 entries
- Query "user1\n"
# 1 entries
- Query "user1\r"
# 1 entries
- SSSD log
(Thu May  4 10:51:52 2017) [sssd[be[openstacklocal]]] 
[sdap_get_generic_ext_step] (0x0400): calling ldap_search_ext with 
[(&(uid=user1)(objectclass=posixAccount)(uid=*)(&(uidNumber=*)(!(uidNumber=0))))][dc=openstacklocal].
(Thu May  4 10:51:52 2017) [sssd[be[openstacklocal]]] 
[sdap_get_generic_ext_step] (0x0400): calling ldap_search_ext with 
[(&(uid=user1\0a)(objectclass=posixAccount)(uid=*)(&(uidNumber=*)(!(uidNumber=0))))][dc=openstacklocal].
(Thu May  4 10:51:52 2017) [sssd[be[openstacklocal]]] 
[sdap_get_generic_ext_step] (0x0400): calling ldap_search_ext with 
[(&(uid=user1\0d)(objectclass=posixAccount)(uid=*)(&(uidNumber=*)(!(uidNumber=0))))][dc=openstacklocal].


The correct entry persists as the queries are sanitized (user\0a / user\0d)

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https://bugs.launchpad.net/bugs/1669712

Title:
  Newline characters (\n) must be sanitized before LDAP requests take
  place.

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