Downcase normalized LDAP DNs and UIDs

This commit is contained in:
Michael Kozono 2017-09-17 23:13:45 -07:00
parent 4ae32d9577
commit a3ec58dacf
3 changed files with 69 additions and 61 deletions

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@ -100,7 +100,7 @@ module Gitlab
private
def self.normalize_dn_part(part)
cleaned = part.strip
cleaned = part.strip.downcase
if cleaned.ends_with?('\\')
# If it ends with an escape character that is not followed by a

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@ -68,10 +68,18 @@ describe Gitlab::LDAP::AuthHash do
describe '#uid' do
context 'when there is extraneous (but valid) whitespace' do
let(:given_uid) { 'uid =John Smith , ou = People, dc= example,dc =com' }
let(:given_uid) { 'uid =john smith , ou = people, dc= example,dc =com' }
it 'removes the extraneous whitespace' do
expect(auth_hash.uid).to eq('uid=John Smith,ou=People,dc=example,dc=com')
expect(auth_hash.uid).to eq('uid=john smith,ou=people,dc=example,dc=com')
end
end
context 'when there are upper case characters' do
let(:given_uid) { 'UID=John Smith,ou=People,dc=example,dc=com' }
it 'downcases' do
expect(auth_hash.uid).to eq('uid=john smith,ou=people,dc=example,dc=com')
end
end
end

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@ -26,24 +26,24 @@ describe Gitlab::LDAP::Person do
# I am not sure if it matters to us or anyone else, so rather than dig
# through RFCs, I am only documenting the behavior here.
where(:test_description, :given, :expected) do
'strips extraneous whitespace' | 'uid =John Smith , ou = People, dc= example,dc =com' | 'uid=John Smith,ou=People,dc=example,dc=com'
'strips extraneous whitespace for a DN with a single RDN' | 'uid = John Smith' | 'uid=John Smith'
'strips extraneous whitespace without changing escaped characters' | 'uid = Sebasti\\c3\\a1n\\ C.\\20Smith\\ , ou=People (aka. \\22humans\\") ,dc=example, dc=com' | 'uid=Sebasti\\c3\\a1n\\ C.\\20Smith\\ ,ou=People (aka. \\22humans\\"),dc=example,dc=com'
'strips extraneous whitespace without modifying the multivalued RDN' | 'uid = John Smith + telephoneNumber = +1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=John Smith+telephoneNumber=+1 555-555-5555,ou=People,dc=example,dc=com'
'strips the space after the plus sign in the telephoneNumber' | 'uid = John Smith + telephoneNumber = + 1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=John Smith+telephoneNumber=+1 555-555-5555,ou=People,dc=example,dc=com'
'strips extraneous whitespace' | 'uid =John Smith , ou = People, dc= example,dc =com' | 'uid=john smith,ou=people,dc=example,dc=com'
'strips extraneous whitespace for a DN with a single RDN' | 'uid = John Smith' | 'uid=john smith'
'strips extraneous whitespace without changing escaped characters' | 'uid = Sebasti\\c3\\a1n\\ C.\\20Smith\\ , ou=People (aka. \\22humans\\") ,dc=example, dc=com' | 'uid=sebasti\\c3\\a1n\\ c.\\20smith\\ ,ou=people (aka. \\22humans\\"),dc=example,dc=com'
'strips extraneous whitespace without modifying the multivalued RDN' | 'uid = John Smith + telephoneNumber = +1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=john smith+telephonenumber=+1 555-555-5555,ou=people,dc=example,dc=com'
'strips the space after the plus sign in the telephoneNumber' | 'uid = John Smith + telephoneNumber = + 1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=john smith+telephonenumber=+1 555-555-5555,ou=people,dc=example,dc=com'
'downcases the whole string' | 'UID=John Smith,ou=People,dc=example,dc=com' | 'uid=john smith,ou=people,dc=example,dc=com'
'for a null DN (empty string), returns empty string and does not error' | '' | ''
'does not strip the escaped leading space in an attribute value (and does not error like Net::LDAP::DN.new does)' | 'uid=\\ John Smith,ou=People,dc=example,dc=com' | 'uid=\\ John Smith,ou=People,dc=example,dc=com'
'does not strip the escaped trailing space in an attribute value' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com'
'does not strip the escaped leading newline in an attribute value' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com'
'does not strip the escaped trailing newline in an attribute value' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com'
'does not strip the unescaped leading newline in an attribute value' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com'
'does not strip the unescaped trailing newline in an attribute value' | 'uid=John Smith\n ,ou=People,dc=example,dc=com' | 'uid=John Smith\n,ou=People,dc=example,dc=com'
'does not modify casing' | 'UID=John Smith,ou=People,dc=example,dc=com' | 'UID=John Smith,ou=People,dc=example,dc=com'
'does not strip non whitespace' | 'uid=John Smith,ou=People,dc=example,dc=com' | 'uid=John Smith,ou=People,dc=example,dc=com'
'does not strip the escaped leading space in an attribute value (and does not error like Net::LDAP::DN.new does)' | 'uid=\\ John Smith,ou=People,dc=example,dc=com' | 'uid=\\ john smith,ou=people,dc=example,dc=com'
'does not strip the escaped trailing space in an attribute value' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com' | 'uid=john smith\\ ,ou=people,dc=example,dc=com'
'does not strip the escaped leading newline in an attribute value' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\\\njohn smith,ou=people,dc=example,dc=com'
'does not strip the escaped trailing newline in an attribute value' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com' | 'uid=john smith\\\n,ou=people,dc=example,dc=com'
'does not strip the unescaped leading newline in an attribute value' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\njohn smith,ou=people,dc=example,dc=com'
'does not strip the unescaped trailing newline in an attribute value' | 'uid=John Smith\n ,ou=People,dc=example,dc=com' | 'uid=john smith\n,ou=people,dc=example,dc=com'
'does not strip non whitespace' | 'uid=John Smith,ou=People,dc=example,dc=com' | 'uid=john smith,ou=people,dc=example,dc=com'
'does not treat escaped equal signs as attribute delimiters' | 'uid= foo \\= bar' | 'uid=foo \\= bar'
'does not treat escaped hex equal signs as attribute delimiters' | 'uid= foo \\3D bar' | 'uid=foo \\3D bar'
'does not treat escaped commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\, CA' | 'uid=John C. Smith,ou=San Francisco\\, CA'
'does not treat escaped hex commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\2C CA' | 'uid=John C. Smith,ou=San Francisco\\2C CA'
'does not treat escaped hex equal signs as attribute delimiters' | 'uid= foo \\3D bar' | 'uid=foo \\3d bar'
'does not treat escaped commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\, CA' | 'uid=john c. smith,ou=san francisco\\, ca'
'does not treat escaped hex commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\2C CA' | 'uid=john c. smith,ou=san francisco\\2c ca'
end
with_them do
@ -55,20 +55,20 @@ describe Gitlab::LDAP::Person do
context 'given a UID' do
where(:test_description, :given, :expected) do
'strips extraneous whitespace' | ' John C. Smith ' | 'John C. Smith'
'strips extraneous whitespace without changing escaped characters' | ' Sebasti\\c3\\a1n\\ C.\\20Smith\\ ' | 'Sebasti\\c3\\a1n\\ C.\\20Smith\\ '
'does not strip the escaped leading space in an attribute value' | ' \\ John Smith ' | '\\ John Smith'
'does not strip the escaped trailing space in an attribute value' | ' John Smith\\ ' | 'John Smith\\ '
'does not strip the escaped leading newline in an attribute value' | ' \\\nJohn Smith ' | '\\\nJohn Smith'
'does not strip the escaped trailing newline in an attribute value' | ' John Smith\\\n ' | 'John Smith\\\n'
'does not strip the unescaped leading newline in an attribute value' | ' \nJohn Smith ' | '\nJohn Smith'
'does not strip the unescaped trailing newline in an attribute value' | ' John Smith\n ' | 'John Smith\n'
'does not modify casing' | ' John Smith ' | 'John Smith'
'does not strip non whitespace' | 'John Smith' | 'John Smith'
'strips extraneous whitespace' | ' John C. Smith ' | 'john c. smith'
'strips extraneous whitespace without changing escaped characters' | ' Sebasti\\c3\\a1n\\ C.\\20Smith\\ ' | 'sebasti\\c3\\a1n\\ c.\\20smith\\ '
'downcases the whole string' | 'John Smith' | 'john smith'
'does not strip the escaped leading space in an attribute value' | ' \\ John Smith ' | '\\ john smith'
'does not strip the escaped trailing space in an attribute value' | ' John Smith\\ ' | 'john smith\\ '
'does not strip the escaped leading newline in an attribute value' | ' \\\nJohn Smith ' | '\\\njohn smith'
'does not strip the escaped trailing newline in an attribute value' | ' John Smith\\\n ' | 'john smith\\\n'
'does not strip the unescaped leading newline in an attribute value' | ' \nJohn Smith ' | '\njohn smith'
'does not strip the unescaped trailing newline in an attribute value' | ' John Smith\n ' | 'john smith\n'
'does not strip non whitespace' | 'John Smith' | 'john smith'
'does not treat escaped equal signs as attribute delimiters' | ' foo \\= bar' | 'foo \\= bar'
'does not treat escaped hex equal signs as attribute delimiters' | ' foo \\3D bar' | 'foo \\3D bar'
'does not treat escaped commas as attribute delimiters' | ' Smith\\, John C.' | 'Smith\\, John C.'
'does not treat escaped hex commas as attribute delimiters' | ' Smith\\2C John C.' | 'Smith\\2C John C.'
'does not treat escaped hex equal signs as attribute delimiters' | ' foo \\3D bar' | 'foo \\3d bar'
'does not treat escaped commas as attribute delimiters' | ' Smith\\, John C.' | 'smith\\, john c.'
'does not treat escaped hex commas as attribute delimiters' | ' Smith\\2C John C.' | 'smith\\2c john c.'
end
with_them do
@ -82,20 +82,20 @@ describe Gitlab::LDAP::Person do
describe '.normalize_uid' do
context 'given a UID' do
where(:test_description, :given, :expected) do
'strips extraneous whitespace' | ' John C. Smith ' | 'John C. Smith'
'strips extraneous whitespace without changing escaped characters' | ' Sebasti\\c3\\a1n\\ C.\\20Smith\\ ' | 'Sebasti\\c3\\a1n\\ C.\\20Smith\\ '
'does not strip the escaped leading space in an attribute value' | ' \\ John Smith ' | '\\ John Smith'
'does not strip the escaped trailing space in an attribute value' | ' John Smith\\ ' | 'John Smith\\ '
'does not strip the escaped leading newline in an attribute value' | ' \\\nJohn Smith ' | '\\\nJohn Smith'
'does not strip the escaped trailing newline in an attribute value' | ' John Smith\\\n ' | 'John Smith\\\n'
'does not strip the unescaped leading newline in an attribute value' | ' \nJohn Smith ' | '\nJohn Smith'
'does not strip the unescaped trailing newline in an attribute value' | ' John Smith\n ' | 'John Smith\n'
'does not modify casing' | ' John Smith ' | 'John Smith'
'does not strip non whitespace' | 'John Smith' | 'John Smith'
'strips extraneous whitespace' | ' John C. Smith ' | 'john c. smith'
'strips extraneous whitespace without changing escaped characters' | ' Sebasti\\c3\\a1n\\ C.\\20Smith\\ ' | 'sebasti\\c3\\a1n\\ c.\\20smith\\ '
'downcases the whole string' | 'John Smith' | 'john smith'
'does not strip the escaped leading space in an attribute value' | ' \\ John Smith ' | '\\ john smith'
'does not strip the escaped trailing space in an attribute value' | ' John Smith\\ ' | 'john smith\\ '
'does not strip the escaped leading newline in an attribute value' | ' \\\nJohn Smith ' | '\\\njohn smith'
'does not strip the escaped trailing newline in an attribute value' | ' John Smith\\\n ' | 'john smith\\\n'
'does not strip the unescaped leading newline in an attribute value' | ' \nJohn Smith ' | '\njohn smith'
'does not strip the unescaped trailing newline in an attribute value' | ' John Smith\n ' | 'john smith\n'
'does not strip non whitespace' | 'John Smith' | 'john smith'
'does not treat escaped equal signs as attribute delimiters' | ' foo \\= bar' | 'foo \\= bar'
'does not treat escaped hex equal signs as attribute delimiters' | ' foo \\3D bar' | 'foo \\3D bar'
'does not treat escaped commas as attribute delimiters' | ' Smith\\, John C.' | 'Smith\\, John C.'
'does not treat escaped hex commas as attribute delimiters' | ' Smith\\2C John C.' | 'Smith\\2C John C.'
'does not treat escaped hex equal signs as attribute delimiters' | ' foo \\3D bar' | 'foo \\3d bar'
'does not treat escaped commas as attribute delimiters' | ' Smith\\, John C.' | 'smith\\, john c.'
'does not treat escaped hex commas as attribute delimiters' | ' Smith\\2C John C.' | 'smith\\2c john c.'
end
with_them do
@ -114,24 +114,24 @@ describe Gitlab::LDAP::Person do
# I am not sure if it matters to us or anyone else, so rather than dig
# through RFCs, I am only documenting the behavior here.
where(:test_description, :given, :expected) do
'strips extraneous whitespace' | 'uid =John Smith , ou = People, dc= example,dc =com' | 'uid=John Smith,ou=People,dc=example,dc=com'
'strips extraneous whitespace for a DN with a single RDN' | 'uid = John Smith' | 'uid=John Smith'
'strips extraneous whitespace without changing escaped characters' | 'uid = Sebasti\\c3\\a1n\\ C.\\20Smith\\ , ou=People (aka. \\22humans\\") ,dc=example, dc=com' | 'uid=Sebasti\\c3\\a1n\\ C.\\20Smith\\ ,ou=People (aka. \\22humans\\"),dc=example,dc=com'
'strips extraneous whitespace without modifying the multivalued RDN' | 'uid = John Smith + telephoneNumber = +1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=John Smith+telephoneNumber=+1 555-555-5555,ou=People,dc=example,dc=com'
'strips the space after the plus sign in the telephoneNumber' | 'uid = John Smith + telephoneNumber = + 1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=John Smith+telephoneNumber=+1 555-555-5555,ou=People,dc=example,dc=com'
'strips extraneous whitespace' | 'uid =John Smith , ou = People, dc= example,dc =com' | 'uid=john smith,ou=people,dc=example,dc=com'
'strips extraneous whitespace for a DN with a single RDN' | 'uid = John Smith' | 'uid=john smith'
'strips extraneous whitespace without changing escaped characters' | 'uid = Sebasti\\c3\\a1n\\ C.\\20Smith\\ , ou=People (aka. \\22humans\\") ,dc=example, dc=com' | 'uid=sebasti\\c3\\a1n\\ c.\\20smith\\ ,ou=people (aka. \\22humans\\"),dc=example,dc=com'
'strips extraneous whitespace without modifying the multivalued RDN' | 'uid = John Smith + telephoneNumber = +1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=john smith+telephonenumber=+1 555-555-5555,ou=people,dc=example,dc=com'
'strips the space after the plus sign in the telephoneNumber' | 'uid = John Smith + telephoneNumber = + 1 555-555-5555 , ou = People,dc=example,dc=com' | 'uid=john smith+telephonenumber=+1 555-555-5555,ou=people,dc=example,dc=com'
'downcases the whole string' | 'UID=John Smith,ou=People,dc=example,dc=com' | 'uid=john smith,ou=people,dc=example,dc=com'
'for a null DN (empty string), returns empty string and does not error' | '' | ''
'does not strip the escaped leading space in an attribute value (and does not error like Net::LDAP::DN.new does)' | 'uid=\\ John Smith,ou=People,dc=example,dc=com' | 'uid=\\ John Smith,ou=People,dc=example,dc=com'
'does not strip the escaped trailing space in an attribute value' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com'
'does not strip the escaped leading newline in an attribute value' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com'
'does not strip the escaped trailing newline in an attribute value' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com'
'does not strip the unescaped leading newline in an attribute value' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com'
'does not strip the unescaped trailing newline in an attribute value' | 'uid=John Smith\n ,ou=People,dc=example,dc=com' | 'uid=John Smith\n,ou=People,dc=example,dc=com'
'does not modify casing' | 'UID=John Smith,ou=People,dc=example,dc=com' | 'UID=John Smith,ou=People,dc=example,dc=com'
'does not strip non whitespace' | 'uid=John Smith,ou=People,dc=example,dc=com' | 'uid=John Smith,ou=People,dc=example,dc=com'
'does not strip the escaped leading space in an attribute value (and does not error like Net::LDAP::DN.new does)' | 'uid=\\ John Smith,ou=People,dc=example,dc=com' | 'uid=\\ john smith,ou=people,dc=example,dc=com'
'does not strip the escaped trailing space in an attribute value' | 'uid=John Smith\\ ,ou=People,dc=example,dc=com' | 'uid=john smith\\ ,ou=people,dc=example,dc=com'
'does not strip the escaped leading newline in an attribute value' | 'uid=\\\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\\\njohn smith,ou=people,dc=example,dc=com'
'does not strip the escaped trailing newline in an attribute value' | 'uid=John Smith\\\n,ou=People,dc=example,dc=com' | 'uid=john smith\\\n,ou=people,dc=example,dc=com'
'does not strip the unescaped leading newline in an attribute value' | 'uid=\nJohn Smith,ou=People,dc=example,dc=com' | 'uid=\njohn smith,ou=people,dc=example,dc=com'
'does not strip the unescaped trailing newline in an attribute value' | 'uid=John Smith\n ,ou=People,dc=example,dc=com' | 'uid=john smith\n,ou=people,dc=example,dc=com'
'does not strip non whitespace' | 'uid=John Smith,ou=People,dc=example,dc=com' | 'uid=john smith,ou=people,dc=example,dc=com'
'does not treat escaped equal signs as attribute delimiters' | 'uid= foo \\= bar' | 'uid=foo \\= bar'
'does not treat escaped hex equal signs as attribute delimiters' | 'uid= foo \\3D bar' | 'uid=foo \\3D bar'
'does not treat escaped commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\, CA' | 'uid=John C. Smith,ou=San Francisco\\, CA'
'does not treat escaped hex commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\2C CA' | 'uid=John C. Smith,ou=San Francisco\\2C CA'
'does not treat escaped hex equal signs as attribute delimiters' | 'uid= foo \\3D bar' | 'uid=foo \\3d bar'
'does not treat escaped commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\, CA' | 'uid=john c. smith,ou=san francisco\\, ca'
'does not treat escaped hex commas as attribute delimiters' | 'uid= John C. Smith, ou=San Francisco\\2C CA' | 'uid=john c. smith,ou=san francisco\\2c ca'
end
with_them do