Remove spaces between dn components, use warnings when necessary
This commit is contained in:
parent
4c037dcb94
commit
0c801e02d5
5 changed files with 59 additions and 37 deletions
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@ -12,7 +12,7 @@ job "directory" {
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task "server" {
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driver = "docker"
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config {
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image = "lxpz/bottin_amd64:5"
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image = "lxpz/bottin_amd64:6"
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readonly_rootfs = true
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port_map {
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ldap_port = 389
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9
main.go
9
main.go
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@ -377,7 +377,14 @@ func (server *Server) objectExists(dn string) (bool, error) {
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return len(data) > 0, nil
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}
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func (server *Server) checkSuffix(dn string, allow_extend bool) (string, error) {
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func (server *Server) checkDN(dn string, allow_extend bool) (string, error) {
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// 1. Canonicalize: remove spaces between things
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dn, err := canonicalDN(dn)
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if err != nil {
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return "", err
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}
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// 2. Check suffix (add it if allow_extend is set)
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suffix := server.config.Suffix
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if len(dn) < len(suffix) {
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if dn != suffix[len(suffix)-len(dn):] || !allow_extend {
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16
read.go
16
read.go
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@ -24,11 +24,10 @@ func (server *Server) handleCompare(s ldap.UserState, w ldap.ResponseWriter, m *
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}
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func (server *Server) handleCompareInternal(state *State, r *message.CompareRequest) (int, error) {
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dn := string(r.Entry())
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attr := string(r.Ava().AttributeDesc())
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expected := string(r.Ava().AssertionValue())
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_, err := server.checkSuffix(dn, false)
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dn, err := server.checkDN(string(r.Entry()), false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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@ -81,21 +80,22 @@ func (server *Server) handleSearch(s ldap.UserState, w ldap.ResponseWriter, m *l
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func (server *Server) handleSearchInternal(state *State, w ldap.ResponseWriter, r *message.SearchRequest) (int, error) {
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baseObject, err := server.checkDN(string(r.BaseObject()), true)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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server.logger.Tracef("-- SEARCH REQUEST: --")
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server.logger.Tracef("Request BaseDn=%s", r.BaseObject())
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server.logger.Tracef("Request BaseDn=%s", baseObject)
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server.logger.Tracef("Request Filter=%s", r.Filter())
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server.logger.Tracef("Request FilterString=%s", r.FilterString())
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server.logger.Tracef("Request Attributes=%s", r.Attributes())
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server.logger.Tracef("Request TimeLimit=%d", r.TimeLimit().Int())
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if !server.config.Acl.Check(&state.login, "read", string(r.BaseObject()), []string{}) {
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if !server.config.Acl.Check(&state.login, "read", baseObject, []string{}) {
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return ldap.LDAPResultInsufficientAccessRights, fmt.Errorf("Please specify a base object on which you have read rights")
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}
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baseObject, err := server.checkSuffix(string(r.BaseObject()), true)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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basePath, err := dnToConsul(baseObject)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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20
util.go
20
util.go
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@ -98,13 +98,29 @@ func parseDN(dn string) ([]DNComponent, error) {
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return nil, fmt.Errorf("Wrong DN component: %s (expected type=value)", rdn)
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}
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ret = append(ret, DNComponent{
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Type: splits[0],
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Value: splits[1],
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Type: strings.TrimSpace(splits[0]),
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Value: strings.TrimSpace(splits[1]),
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})
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}
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return ret, nil
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}
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func canonicalDN(dn string) (string, error) {
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path, err := parseDN(dn)
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if err != nil {
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return "", err
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}
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ret := ""
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for _, c := range path {
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if ret != "" {
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ret = ret + ","
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}
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ret = ret + c.Type + "=" + c.Value
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}
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return ret, nil
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}
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func checkRestrictedAttr(attr string) error {
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RESTRICTED_ATTRS := []string{
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ATTR_MEMBEROF,
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49
write.go
49
write.go
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@ -29,9 +29,7 @@ func (server *Server) handleAdd(s ldap.UserState, w ldap.ResponseWriter, m *ldap
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}
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func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (int, error) {
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dn := string(r.Entry())
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_, err := server.checkSuffix(dn, false)
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dn, err := server.checkDN(string(r.Entry()), false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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@ -80,18 +78,18 @@ func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (in
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if strings.EqualFold(key, ATTR_MEMBER) {
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members = vals_str
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for _, member := range members {
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_, err := server.checkSuffix(member, false)
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member_canonical, err := server.checkDN(member, false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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exists, err = server.objectExists(member)
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exists, err = server.objectExists(member_canonical)
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if err != nil {
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return ldap.LDAPResultOperationsError, err
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}
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if !exists {
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return ldap.LDAPResultNoSuchObject, fmt.Errorf(
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"Cannot add %s to members, it does not exist!",
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member)
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member_canonical)
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}
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}
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}
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@ -103,7 +101,7 @@ func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (in
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entry[ATTR_ENTRYUUID] = []string{genUuid()}
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entry[dnSplit[0].Type] = []string{dnSplit[0].Value}
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// Add our intem in the DB
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// Add our item in the DB
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err = server.addElements(dn, entry)
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if err != nil {
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return ldap.LDAPResultOperationsError, err
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@ -116,7 +114,7 @@ func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (in
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for _, member := range members {
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memberGroups, err := server.getAttribute(member, ATTR_MEMBEROF)
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if err != nil {
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server.logger.Printf("Could not add %s to memberOf of %s: %s", dn, member, err)
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server.logger.Warnf("Could not add %s to memberOf of %s: %s", dn, member, err)
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continue
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}
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if memberGroups == nil {
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@ -127,7 +125,7 @@ func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (in
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for _, mb := range memberGroups {
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if mb == dn {
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alreadyMember = true
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server.logger.Printf("Warning: inconsistency detected, %s was memberOf %s at a time when it didn't exist!",
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server.logger.Warnf("Warning: inconsistency detected, %s was memberOf %s at a time when it didn't exist!",
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member, dn)
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break
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}
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@ -139,7 +137,7 @@ func (server *Server) handleAddInternal(state *State, r *message.AddRequest) (in
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ATTR_MEMBEROF: memberGroups,
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})
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if err != nil {
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server.logger.Printf("Could not add %s to memberOf of %s: %s", dn, member, err)
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server.logger.Warnf("Could not add %s to memberOf of %s: %s", dn, member, err)
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}
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}
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}
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@ -169,9 +167,7 @@ func (server *Server) handleDelete(s ldap.UserState, w ldap.ResponseWriter, m *l
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}
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func (server *Server) handleDeleteInternal(state *State, r *message.DelRequest) (int, error) {
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dn := string(*r)
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_, err := server.checkSuffix(dn, false)
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dn, err := server.checkDN(string(*r), false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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@ -229,7 +225,7 @@ func (server *Server) handleDeleteInternal(state *State, r *message.DelRequest)
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for _, group := range memberOf {
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groupMembers, err := server.getAttribute(group, ATTR_MEMBER)
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if err != nil {
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server.logger.Printf("Could not remove %s from members of %s: %s", dn, group, err)
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server.logger.Warnf("Could not remove %s from members of %s: %s", dn, group, err)
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continue
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}
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@ -244,7 +240,7 @@ func (server *Server) handleDeleteInternal(state *State, r *message.DelRequest)
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ATTR_MEMBER: newMembers,
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})
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if err != nil {
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server.logger.Printf("Could not remove %s from members of %s: %s", dn, group, err)
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server.logger.Warnf("Could not remove %s from members of %s: %s", dn, group, err)
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}
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}
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}
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@ -254,7 +250,7 @@ func (server *Server) handleDeleteInternal(state *State, r *message.DelRequest)
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for _, member := range memberList {
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memberOf, err := server.getAttribute(member, ATTR_MEMBEROF)
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if err != nil || memberOf == nil {
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server.logger.Printf("Could not remove %s from memberOf of %s: %s", dn, member, err)
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server.logger.Warnf("Could not remove %s from memberOf of %s: %s", dn, member, err)
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continue
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}
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@ -269,7 +265,7 @@ func (server *Server) handleDeleteInternal(state *State, r *message.DelRequest)
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ATTR_MEMBEROF: newMemberOf,
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})
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if err != nil {
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server.logger.Printf("Could not remove %s from memberOf of %s: %s", dn, member, err)
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server.logger.Warnf("Could not remove %s from memberOf of %s: %s", dn, member, err)
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}
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}
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}
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@ -298,9 +294,7 @@ func (server *Server) handleModify(s ldap.UserState, w ldap.ResponseWriter, m *l
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}
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func (server *Server) handleModifyInternal(state *State, r *message.ModifyRequest) (int, error) {
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dn := string(r.Object())
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_, err := server.checkSuffix(dn, false)
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dn, err := server.checkDN(string(r.Object()), false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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@ -447,7 +441,11 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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}
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// Check that added members actually exist
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for _, addMem := range addMembers {
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for i := range addMembers {
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addMem, err := server.checkDN(addMembers[i], false)
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if err != nil {
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return ldap.LDAPResultInvalidDNSyntax, err
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}
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exists, err := server.objectExists(addMem)
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if err != nil {
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return ldap.LDAPResultOperationsError, err
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@ -456,6 +454,7 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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return ldap.LDAPResultNoSuchObject, fmt.Errorf(
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"Cannot add member %s, it does not exist", addMem)
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}
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addMembers[i] = addMem
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}
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newEntry[ATTR_MODIFIERSNAME] = []string{state.login.user}
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@ -470,7 +469,7 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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for _, addMem := range addMembers {
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memberOf, err := server.getAttribute(addMem, ATTR_MEMBEROF)
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if err != nil {
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server.logger.Printf("Could not add %s to memberOf of %s: %s", dn, addMem, err)
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server.logger.Warnf("Could not add %s to memberOf of %s: %s", dn, addMem, err)
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continue
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}
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if memberOf == nil {
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@ -490,7 +489,7 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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ATTR_MEMBEROF: memberOf,
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})
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if err != nil {
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server.logger.Printf("Could not add %s to memberOf of %s: %s", dn, addMem, err)
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server.logger.Warnf("Could not add %s to memberOf of %s: %s", dn, addMem, err)
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}
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}
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}
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@ -498,7 +497,7 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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for _, delMem := range delMembers {
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memberOf, err := server.getAttribute(delMem, ATTR_MEMBEROF)
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if err != nil {
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server.logger.Printf("Could not remove %s from memberOf of %s: %s", dn, delMem, err)
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server.logger.Warnf("Could not remove %s from memberOf of %s: %s", dn, delMem, err)
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continue
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}
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if memberOf == nil {
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@ -513,7 +512,7 @@ func (server *Server) handleModifyInternal(state *State, r *message.ModifyReques
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err = server.addElements(delMem, Entry{ATTR_MEMBEROF: newMemberOf})
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if err != nil {
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server.logger.Printf("Could not remove %s from memberOf of %s: %s", dn, delMem, err)
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server.logger.Warnf("Could not remove %s from memberOf of %s: %s", dn, delMem, err)
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}
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}
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