package ldap import ( "bytes" "log" "net" "os/exec" "strings" "testing" "time" ) var listenString = "localhost:3389" var ldapURL = "ldap://" + listenString var timeout = 400 * time.Millisecond var serverBaseDN = "o=testers,c=test" ///////////////////////// func TestBindAnonOK(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindAnonOK{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindAnonFail(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() time.Sleep(timeout) go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "ldap_bind: Inappropriate authentication (48)") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } time.Sleep(timeout) quit <- true } ///////////////////////// func TestBindSimpleOK(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() serverBaseDN := "o=testers,c=test" go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindSimpleFailBadPw(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() serverBaseDN := "o=testers,c=test" go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "BADPassword") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "ldap_bind: Invalid credentials (49)") { t.Errorf("ldapsearch succeeded - should have failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindSimpleFailBadDn(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() serverBaseDN := "o=testers,c=test" go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testoy,"+serverBaseDN, "-w", "iLike2test") out, _ := cmd.CombinedOutput() if string(out) != "ldap_bind: Invalid credentials (49)\n" { t.Errorf("ldapsearch succeeded - should have failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindSSL(t *testing.T) { ldapURLSSL := "ldaps://" + listenString longerTimeout := 300 * time.Millisecond quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindAnonOK{}) if err := s.ListenAndServeTLS(listenString, "examples/cert_DONOTUSE.pem", "examples/key_DONOTUSE.pem"); err != nil { t.Errorf("s.ListenAndServeTLS failed: %s", err.Error()) } }() go func() { time.Sleep(longerTimeout * 2) cmd := exec.Command("ldapsearch", "-H", ldapURLSSL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(longerTimeout * 2): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindPanic(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindPanic{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "ldap_bind: Operations error") { t.Errorf("ldapsearch should have returned operations error due to panic: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestSearchSimpleOK(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() serverBaseDN := "o=testers,c=test" go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "dn: cn=ned,o=testers,c=test") { t.Errorf("ldapsearch failed: %v", string(out)) } if !strings.Contains(string(out), "uidNumber: 5000") { t.Errorf("ldapsearch failed: %v", string(out)) } if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } if !strings.Contains(string(out), "numResponses: 4") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } func TestSearchSizelimit(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.EnforceLDAP = true s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test", "-z", "9") // effectively no limit for this test out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } if !strings.Contains(string(out), "numEntries: 3") { t.Errorf("ldapsearch sizelimit failed - not enough entries: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test", "-z", "2") out, _ = cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } if !strings.Contains(string(out), "numEntries: 2") { t.Errorf("ldapsearch sizelimit failed - too many entries: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestBindSearchMulti(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.BindFunc("", bindSimple{}) s.BindFunc("c=testz", bindSimple2{}) s.SearchFunc("", searchSimple{}) s.SearchFunc("c=testz", searchSimple2{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "cn=ned") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("error routing default bind/search functions: %v", string(out)) } if !strings.Contains(string(out), "dn: cn=ned,o=testers,c=test") { t.Errorf("search default routing failed: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=testz", "-D", "cn=testy,o=testers,c=testz", "-w", "ZLike2test", "cn=hamburger") out, _ = cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("error routing custom bind/search functions: %v", string(out)) } if !strings.Contains(string(out), "dn: cn=hamburger,o=testers,c=testz") { t.Errorf("search custom routing failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestSearchPanic(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.QuitChannel(quit) s.SearchFunc("", searchPanic{}) s.BindFunc("", bindAnonOK{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 1 Operations error") { t.Errorf("ldapsearch should have returned operations error due to panic: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// type compileSearchFilterTest struct { name string filterStr string numResponses string } var searchFilterTestFilters = []compileSearchFilterTest{ compileSearchFilterTest{name: "equalityOk", filterStr: "(uid=ned)", numResponses: "2"}, compileSearchFilterTest{name: "equalityNo", filterStr: "(uid=foo)", numResponses: "1"}, compileSearchFilterTest{name: "equalityOk", filterStr: "(objectclass=posixaccount)", numResponses: "4"}, compileSearchFilterTest{name: "presentEmptyOk", filterStr: "", numResponses: "4"}, compileSearchFilterTest{name: "presentOk", filterStr: "(objectclass=*)", numResponses: "4"}, compileSearchFilterTest{name: "presentOk", filterStr: "(description=*)", numResponses: "3"}, compileSearchFilterTest{name: "presentNo", filterStr: "(foo=*)", numResponses: "1"}, compileSearchFilterTest{name: "andOk", filterStr: "(&(uid=ned)(objectclass=posixaccount))", numResponses: "2"}, compileSearchFilterTest{name: "andNo", filterStr: "(&(uid=ned)(objectclass=posixgroup))", numResponses: "1"}, compileSearchFilterTest{name: "andNo", filterStr: "(&(uid=ned)(uid=trent))", numResponses: "1"}, compileSearchFilterTest{name: "orOk", filterStr: "(|(uid=ned)(uid=trent))", numResponses: "3"}, compileSearchFilterTest{name: "orOk", filterStr: "(|(uid=ned)(objectclass=posixaccount))", numResponses: "4"}, compileSearchFilterTest{name: "orNo", filterStr: "(|(uid=foo)(objectclass=foo))", numResponses: "1"}, compileSearchFilterTest{name: "andOrOk", filterStr: "(&(|(uid=ned)(uid=trent))(objectclass=posixaccount))", numResponses: "3"}, compileSearchFilterTest{name: "notOk", filterStr: "(!(uid=ned))", numResponses: "3"}, compileSearchFilterTest{name: "notOk", filterStr: "(!(uid=foo))", numResponses: "4"}, compileSearchFilterTest{name: "notAndOrOk", filterStr: "(&(|(uid=ned)(uid=trent))(!(objectclass=posixgroup)))", numResponses: "3"}, /* compileSearchFilterTest{filterStr: "(sn=Mill*)", filterType: FilterSubstrings}, compileSearchFilterTest{filterStr: "(sn=*Mill)", filterType: FilterSubstrings}, compileSearchFilterTest{filterStr: "(sn=*Mill*)", filterType: FilterSubstrings}, compileSearchFilterTest{filterStr: "(sn>=Miller)", filterType: FilterGreaterOrEqual}, compileSearchFilterTest{filterStr: "(sn<=Miller)", filterType: FilterLessOrEqual}, compileSearchFilterTest{filterStr: "(sn~=Miller)", filterType: FilterApproxMatch}, */ } ///////////////////////// func TestSearchFiltering(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.EnforceLDAP = true s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() for _, i := range searchFilterTestFilters { t.Log(i.name) go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test", i.filterStr) out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "numResponses: "+i.numResponses) { t.Errorf("ldapsearch failed - expected numResponses==%d: %v", i.numResponses, string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } } quit <- true } ///////////////////////// func TestSearchAttributes(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.EnforceLDAP = true s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { filterString := "" cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", serverBaseDN, "-D", "cn=testy,"+serverBaseDN, "-w", "iLike2test", filterString, "cn") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "dn: cn=ned,o=testers,c=test") { t.Errorf("ldapsearch failed - missing requested DN attribute: %v", string(out)) } if !strings.Contains(string(out), "cn: ned") { t.Errorf("ldapsearch failed - missing requested CN attribute: %v", string(out)) } if strings.Contains(string(out), "uidNumber") { t.Errorf("ldapsearch failed - uidNumber attr should not be displayed: %v", string(out)) } if strings.Contains(string(out), "accountstatus") { t.Errorf("ldapsearch failed - accountstatus attr should not be displayed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// func TestSearchScope(t *testing.T) { quit := make(chan bool) done := make(chan bool) go func() { s := NewServer() s.EnforceLDAP = true s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindSimple{}) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "-s", "sub", "cn=trent") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "dn: cn=trent,o=testers,c=test") { t.Errorf("ldapsearch 'sub' scope failed - didn't find expected DN: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "-s", "one", "cn=trent") out, _ = cmd.CombinedOutput() if !strings.Contains(string(out), "dn: cn=trent,o=testers,c=test") { t.Errorf("ldapsearch 'one' scope failed - didn't find expected DN: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "-s", "one", "cn=trent") out, _ = cmd.CombinedOutput() if strings.Contains(string(out), "dn: cn=trent,o=testers,c=test") { t.Errorf("ldapsearch 'one' scope failed - found unexpected DN: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "cn=trent,o=testers,c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "-s", "base", "cn=trent") out, _ = cmd.CombinedOutput() if !strings.Contains(string(out), "dn: cn=trent,o=testers,c=test") { t.Errorf("ldapsearch 'base' scope failed - didn't find expected DN: %v", string(out)) } cmd = exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test", "-D", "cn=testy,o=testers,c=test", "-w", "iLike2test", "-s", "base", "cn=trent") out, _ = cmd.CombinedOutput() if strings.Contains(string(out), "dn: cn=trent,o=testers,c=test") { t.Errorf("ldapsearch 'base' scope failed - found unexpected DN: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } quit <- true } ///////////////////////// type testStatsWriter struct { buffer *bytes.Buffer } func (tsw testStatsWriter) Write(buf []byte) (int, error) { tsw.buffer.Write(buf) return len(buf), nil } func TestSearchStats(t *testing.T) { w := testStatsWriter{&bytes.Buffer{}} log.SetOutput(w) quit := make(chan bool) done := make(chan bool) s := NewServer() go func() { s.QuitChannel(quit) s.SearchFunc("", searchSimple{}) s.BindFunc("", bindAnonOK{}) s.SetStats(true) if err := s.ListenAndServe(listenString); err != nil { t.Errorf("s.ListenAndServe failed: %s", err.Error()) } }() go func() { cmd := exec.Command("ldapsearch", "-H", ldapURL, "-x", "-b", "o=testers,c=test") out, _ := cmd.CombinedOutput() if !strings.Contains(string(out), "result: 0 Success") { t.Errorf("ldapsearch failed: %v", string(out)) } done <- true }() select { case <-done: case <-time.After(timeout): t.Errorf("ldapsearch command timed out") } stats := s.GetStats() if stats.Conns != 1 || stats.Binds != 1 { t.Errorf("Stats data missing or incorrect: %v", w.buffer.String()) } quit <- true } ///////////////////////// type bindAnonOK struct { } func (b bindAnonOK) Bind(bindDN, bindSimplePw string, conn net.Conn) (uint64, error) { if bindDN == "" && bindSimplePw == "" { return LDAPResultSuccess, nil } return LDAPResultInvalidCredentials, nil } type bindSimple struct { } func (b bindSimple) Bind(bindDN, bindSimplePw string, conn net.Conn) (uint64, error) { if bindDN == "cn=testy,o=testers,c=test" && bindSimplePw == "iLike2test" { return LDAPResultSuccess, nil } return LDAPResultInvalidCredentials, nil } type bindSimple2 struct { } func (b bindSimple2) Bind(bindDN, bindSimplePw string, conn net.Conn) (uint64, error) { if bindDN == "cn=testy,o=testers,c=testz" && bindSimplePw == "ZLike2test" { return LDAPResultSuccess, nil } return LDAPResultInvalidCredentials, nil } type bindPanic struct { } func (b bindPanic) Bind(bindDN, bindSimplePw string, conn net.Conn) (uint64, error) { panic("test panic at the disco") return LDAPResultInvalidCredentials, nil } type searchSimple struct { } func (s searchSimple) Search(boundDN string, searchReq SearchRequest, conn net.Conn) (ServerSearchResult, error) { entries := []*Entry{ &Entry{"cn=ned,o=testers,c=test", []*EntryAttribute{ &EntryAttribute{"cn", []string{"ned"}}, &EntryAttribute{"o", []string{"ate"}}, &EntryAttribute{"uidNumber", []string{"5000"}}, &EntryAttribute{"accountstatus", []string{"active"}}, &EntryAttribute{"uid", []string{"ned"}}, &EntryAttribute{"description", []string{"ned via sa"}}, &EntryAttribute{"objectclass", []string{"posixaccount"}}, }}, &Entry{"cn=trent,o=testers,c=test", []*EntryAttribute{ &EntryAttribute{"cn", []string{"trent"}}, &EntryAttribute{"o", []string{"ate"}}, &EntryAttribute{"uidNumber", []string{"5005"}}, &EntryAttribute{"accountstatus", []string{"active"}}, &EntryAttribute{"uid", []string{"trent"}}, &EntryAttribute{"description", []string{"trent via sa"}}, &EntryAttribute{"objectclass", []string{"posixaccount"}}, }}, &Entry{"cn=randy,o=testers,c=test", []*EntryAttribute{ &EntryAttribute{"cn", []string{"randy"}}, &EntryAttribute{"o", []string{"ate"}}, &EntryAttribute{"uidNumber", []string{"5555"}}, &EntryAttribute{"accountstatus", []string{"active"}}, &EntryAttribute{"uid", []string{"randy"}}, &EntryAttribute{"objectclass", []string{"posixaccount"}}, }}, } return ServerSearchResult{entries, []string{}, []Control{}, LDAPResultSuccess}, nil } type searchSimple2 struct { } func (s searchSimple2) Search(boundDN string, searchReq SearchRequest, conn net.Conn) (ServerSearchResult, error) { entries := []*Entry{ &Entry{"cn=hamburger,o=testers,c=testz", []*EntryAttribute{ &EntryAttribute{"cn", []string{"hamburger"}}, &EntryAttribute{"o", []string{"testers"}}, &EntryAttribute{"uidNumber", []string{"5000"}}, &EntryAttribute{"accountstatus", []string{"active"}}, &EntryAttribute{"uid", []string{"hamburger"}}, &EntryAttribute{"objectclass", []string{"posixaccount"}}, }}, } return ServerSearchResult{entries, []string{}, []Control{}, LDAPResultSuccess}, nil } type searchPanic struct { } func (s searchPanic) Search(boundDN string, searchReq SearchRequest, conn net.Conn) (ServerSearchResult, error) { entries := []*Entry{} panic("this is a test panic") return ServerSearchResult{entries, []string{}, []Control{}, LDAPResultSuccess}, nil }