},
tranGetClientInfoText: {
Name: "tranGetClientInfoText",
- Handler: HandleGetClientConnInfoText,
+ Handler: HandleGetClientInfoText,
},
tranGetFileInfo: {
Name: "tranGetFileInfo",
Name: "tranUserBroadcast",
Handler: HandleUserBroadcast,
},
+ tranDownloadBanner: {
+ Name: "tranDownloadBanner",
+ Handler: HandleDownloadBanner,
+ },
}
func HandleChatSend(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
// Fields used in the reply:
// None
func HandleSendInstantMsg(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+ if !cc.Authorize(accessSendPrivMsg) {
+ res = append(res, cc.NewErrReply(t, "You are not allowed to send private messages."))
+ return res, err
+ }
+
msg := t.GetField(fieldData)
ID := t.GetField(fieldUserID)
if err != nil {
return res, err
}
- if err := os.WriteFile(cc.Server.ConfigDir+"Users/"+login+".yaml", out, 0666); err != nil {
+ if err := os.WriteFile(filepath.Join(cc.Server.ConfigDir, "Users", login+".yaml"), out, 0666); err != nil {
return res, err
}
newT := NewTransaction(tranUserAccess, c.ID, NewField(fieldUserAccess, newAccessLvl))
res = append(res, *newT)
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(*c.Flags)))
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(c.Flags)))
if authorize(c.Account.Access, accessDisconUser) {
flagBitmap.SetBit(flagBitmap, userFlagAdmin, 1)
} else {
flagBitmap.SetBit(flagBitmap, userFlagAdmin, 0)
}
- binary.BigEndian.PutUint16(*c.Flags, uint16(flagBitmap.Int64()))
+ binary.BigEndian.PutUint16(c.Flags, uint16(flagBitmap.Int64()))
c.Account.Access = account.Access
cc.sendAll(
tranNotifyChangeUser,
NewField(fieldUserID, *c.ID),
- NewField(fieldUserFlags, *c.Flags),
+ NewField(fieldUserFlags, c.Flags),
NewField(fieldUserName, c.UserName),
- NewField(fieldUserIconID, *c.Icon),
+ NewField(fieldUserIconID, c.Icon),
)
}
}
var userFields []Field
for _, acc := range cc.Server.Accounts {
- userField := acc.MarshalBinary()
- userFields = append(userFields, NewField(fieldData, userField))
+ b := make([]byte, 0, 100)
+ n, err := acc.Read(b)
+ if err != nil {
+ return res, err
+ }
+
+ userFields = append(userFields, NewField(fieldData, b[:n]))
}
res = append(res, cc.NewReply(t, userFields...))
return 0, errors.New("unknown byte length")
}
-func HandleGetClientConnInfoText(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+// HandleGetClientInfoText returns user information for the specific user.
+//
+// Fields used in the request:
+// 103 User ID
+//
+// Fields used in the reply:
+// 102 User name
+// 101 Data User info text string
+func HandleGetClientInfoText(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
if !authorize(cc.Account.Access, accessGetClientInfo) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to get client info"))
+ res = append(res, cc.NewErrReply(t, "You are not allowed to get client info."))
return res, err
}
clientConn := cc.Server.Clients[uint16(clientID)]
if clientConn == nil {
- return res, errors.New("invalid client")
- }
-
- // TODO: Implement non-hardcoded values
- template := `Nickname: %s
-Name: %s
-Account: %s
-Address: %s
-
--------- File Downloads ---------
-
-%s
-
-------- Folder Downloads --------
-
-None.
-
---------- File Uploads ----------
-
-None.
-
--------- Folder Uploads ---------
-
-None.
-
-------- Waiting Downloads -------
-
-None.
-
- `
-
- activeDownloads := clientConn.Transfers[FileDownload]
- activeDownloadList := "None."
- for _, dl := range activeDownloads {
- activeDownloadList += dl.String() + "\n"
+ return append(res, cc.NewErrReply(t, "User not found.")), err
}
- template = fmt.Sprintf(
- template,
- clientConn.UserName,
- clientConn.Account.Name,
- clientConn.Account.Login,
- clientConn.RemoteAddr,
- activeDownloadList,
- )
- template = strings.Replace(template, "\n", "\r", -1)
-
res = append(res, cc.NewReply(t,
- NewField(fieldData, []byte(template)),
+ NewField(fieldData, []byte(clientConn.String())),
NewField(fieldUserName, clientConn.UserName),
))
return res, err
func HandleTranAgreed(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
cc.Agreed = true
- cc.UserName = t.GetField(fieldUserName).Data
- *cc.Icon = t.GetField(fieldUserIconID).Data
+
+ if t.GetField(fieldUserName).Data != nil {
+ if cc.Authorize(accessAnyName) {
+ cc.UserName = t.GetField(fieldUserName).Data
+ } else {
+ cc.UserName = []byte(cc.Account.Name)
+ }
+ }
+
+ cc.Icon = t.GetField(fieldUserIconID).Data
cc.logger = cc.logger.With("name", string(cc.UserName))
+ cc.logger.Infow("Login successful", "clientVersion", fmt.Sprintf("%x", cc.Version))
options := t.GetField(fieldOptions).Data
optBitmap := big.NewInt(int64(binary.BigEndian.Uint16(options)))
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(*cc.Flags)))
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(cc.Flags)))
// Check refuse private PM option
if optBitmap.Bit(refusePM) == 1 {
flagBitmap.SetBit(flagBitmap, userFlagRefusePM, 1)
- binary.BigEndian.PutUint16(*cc.Flags, uint16(flagBitmap.Int64()))
+ binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
}
// Check refuse private chat option
if optBitmap.Bit(refuseChat) == 1 {
flagBitmap.SetBit(flagBitmap, userFLagRefusePChat, 1)
- binary.BigEndian.PutUint16(*cc.Flags, uint16(flagBitmap.Int64()))
+ binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
}
// Check auto response
cc.AutoReply = []byte{}
}
- cc.notifyOthers(
+ trans := cc.notifyOthers(
*NewTransaction(
tranNotifyChangeUser, nil,
NewField(fieldUserName, cc.UserName),
NewField(fieldUserID, *cc.ID),
- NewField(fieldUserIconID, *cc.Icon),
- NewField(fieldUserFlags, *cc.Flags),
+ NewField(fieldUserIconID, cc.Icon),
+ NewField(fieldUserFlags, cc.Flags),
),
)
+ res = append(res, trans...)
+
+ if cc.Server.Config.BannerFile != "" {
+ res = append(res, *NewTransaction(tranServerBanner, cc.ID, NewField(fieldBannerType, []byte("JPEG"))))
+ }
res = append(res, cc.NewReply(t))
return res, err
}
- if err := clientConn.Connection.Close(); err != nil {
- return res, err
+ // If fieldOptions is set, then the client IP is banned in addition to disconnected.
+ // 00 01 = temporary ban
+ // 00 02 = permanent ban
+ if t.GetField(fieldOptions).Data != nil {
+ switch t.GetField(fieldOptions).Data[1] {
+ case 1:
+ // send message: "You are temporarily banned on this server"
+ cc.logger.Infow("Disconnect & temporarily ban " + string(clientConn.UserName))
+
+ res = append(res, *NewTransaction(
+ tranServerMsg,
+ clientConn.ID,
+ NewField(fieldData, []byte("You are temporarily banned on this server")),
+ NewField(fieldChatOptions, []byte{0, 0}),
+ ))
+
+ banUntil := time.Now().Add(tempBanDuration)
+ cc.Server.banList[strings.Split(clientConn.RemoteAddr, ":")[0]] = &banUntil
+ cc.Server.writeBanList()
+ case 2:
+ // send message: "You are permanently banned on this server"
+ cc.logger.Infow("Disconnect & ban " + string(clientConn.UserName))
+
+ res = append(res, *NewTransaction(
+ tranServerMsg,
+ clientConn.ID,
+ NewField(fieldData, []byte("You are permanently banned on this server")),
+ NewField(fieldChatOptions, []byte{0, 0}),
+ ))
+
+ cc.Server.banList[strings.Split(clientConn.RemoteAddr, ":")[0]] = nil
+ cc.Server.writeBanList()
+ }
}
- res = append(res, cc.NewReply(t))
- return res, err
+ // TODO: remove this awful hack
+ go func() {
+ time.Sleep(1 * time.Second)
+ clientConn.Disconnect()
+ }()
+
+ return append(res, cc.NewReply(t)), err
}
// HandleGetNewsCatNameList returns a list of news categories for a path
return res, err
}
- transactionRef := cc.Server.NewTransactionRef()
- data := binary.BigEndian.Uint32(transactionRef)
+ xferSize := hlFile.ffo.TransferSize(0)
- ft := &FileTransfer{
- FileName: fileName,
- FilePath: filePath,
- ReferenceNumber: transactionRef,
- Type: FileDownload,
- }
+ ft := cc.newFileTransfer(FileDownload, fileName, filePath, xferSize)
// TODO: refactor to remove this
if resumeData != nil {
ft.fileResumeData = &frd
}
- xferSize := hlFile.ffo.TransferSize(0)
-
// Optional field for when a HL v1.5+ client requests file preview
// Used only for TEXT, JPEG, GIFF, BMP or PICT files
// The value will always be 2
xferSize = hlFile.ffo.FlatFileDataForkHeader.DataSize[:]
}
- cc.Server.mux.Lock()
- defer cc.Server.mux.Unlock()
- cc.Server.FileTransfers[data] = ft
-
- cc.Transfers[FileDownload] = append(cc.Transfers[FileDownload], ft)
-
res = append(res, cc.NewReply(t,
- NewField(fieldRefNum, transactionRef),
+ NewField(fieldRefNum, ft.refNum[:]),
NewField(fieldWaitingCount, []byte{0x00, 0x00}), // TODO: Implement waiting count
NewField(fieldTransferSize, xferSize),
NewField(fieldFileSize, hlFile.ffo.FlatFileDataForkHeader.DataSize[:]),
return res, err
}
- transactionRef := cc.Server.NewTransactionRef()
- data := binary.BigEndian.Uint32(transactionRef)
-
- fileTransfer := &FileTransfer{
- FileName: t.GetField(fieldFileName).Data,
- FilePath: t.GetField(fieldFilePath).Data,
- ReferenceNumber: transactionRef,
- Type: FolderDownload,
- }
- cc.Server.mux.Lock()
- cc.Server.FileTransfers[data] = fileTransfer
- cc.Server.mux.Unlock()
- cc.Transfers[FolderDownload] = append(cc.Transfers[FolderDownload], fileTransfer)
-
- var fp FilePath
- err = fp.UnmarshalBinary(t.GetField(fieldFilePath).Data)
- if err != nil {
- return res, err
- }
-
fullFilePath, err := readPath(cc.Server.Config.FileRoot, t.GetField(fieldFilePath).Data, t.GetField(fieldFileName).Data)
if err != nil {
return res, err
if err != nil {
return res, err
}
+
+ fileTransfer := cc.newFileTransfer(FolderDownload, t.GetField(fieldFileName).Data, t.GetField(fieldFilePath).Data, transferSize)
+
+ var fp FilePath
+ err = fp.UnmarshalBinary(t.GetField(fieldFilePath).Data)
+ if err != nil {
+ return res, err
+ }
+
res = append(res, cc.NewReply(t,
- NewField(fieldRefNum, transactionRef),
+ NewField(fieldRefNum, fileTransfer.ReferenceNumber),
NewField(fieldTransferSize, transferSize),
NewField(fieldFolderItemCount, itemCount),
NewField(fieldWaitingCount, []byte{0x00, 0x00}), // TODO: Implement waiting count
// 220 Folder item count
// 204 File transfer options "Optional Currently set to 1" (TODO: ??)
func HandleUploadFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- transactionRef := cc.Server.NewTransactionRef()
- data := binary.BigEndian.Uint32(transactionRef)
-
var fp FilePath
if t.GetField(fieldFilePath).Data != nil {
if err = fp.UnmarshalBinary(t.GetField(fieldFilePath).Data); err != nil {
}
}
- fileTransfer := &FileTransfer{
- FileName: t.GetField(fieldFileName).Data,
- FilePath: t.GetField(fieldFilePath).Data,
- ReferenceNumber: transactionRef,
- Type: FolderUpload,
- FolderItemCount: t.GetField(fieldFolderItemCount).Data,
- TransferSize: t.GetField(fieldTransferSize).Data,
- }
- cc.Server.FileTransfers[data] = fileTransfer
+ fileTransfer := cc.newFileTransfer(FolderUpload,
+ t.GetField(fieldFileName).Data,
+ t.GetField(fieldFilePath).Data,
+ t.GetField(fieldTransferSize).Data,
+ )
+
+ fileTransfer.FolderItemCount = t.GetField(fieldFolderItemCount).Data
- res = append(res, cc.NewReply(t, NewField(fieldRefNum, transactionRef)))
+ res = append(res, cc.NewReply(t, NewField(fieldRefNum, fileTransfer.ReferenceNumber)))
return res, err
}
fileName := t.GetField(fieldFileName).Data
filePath := t.GetField(fieldFilePath).Data
-
transferOptions := t.GetField(fieldFileTransferOptions).Data
-
- // TODO: is this field useful for anything?
- // transferSize := t.GetField(fieldTransferSize).Data
+ transferSize := t.GetField(fieldTransferSize).Data // not sent for resume
var fp FilePath
if filePath != nil {
return res, err
}
}
+ fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
+ if err != nil {
+ return res, err
+ }
- transactionRef := cc.Server.NewTransactionRef()
- data := binary.BigEndian.Uint32(transactionRef)
-
- cc.Server.mux.Lock()
- cc.Server.FileTransfers[data] = &FileTransfer{
- FileName: fileName,
- FilePath: filePath,
- ReferenceNumber: transactionRef,
- Type: FileUpload,
+ if _, err := cc.Server.FS.Stat(fullFilePath); err == nil {
+ res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload because there is already a file named \"%v\". Try choosing a different name.", string(fileName))))
+ return res, err
}
- cc.Server.mux.Unlock()
- replyT := cc.NewReply(t, NewField(fieldRefNum, transactionRef))
+ ft := cc.newFileTransfer(FileUpload, fileName, filePath, transferSize)
+
+ replyT := cc.NewReply(t, NewField(fieldRefNum, ft.ReferenceNumber))
// client has requested to resume a partially transferred file
if transferOptions != nil {
- fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
- if err != nil {
- return res, err
- }
fileInfo, err := cc.Server.FS.Stat(fullFilePath + incompleteFileSuffix)
if err != nil {
b, _ := fileResumeData.BinaryMarshal()
+ ft.TransferSize = offset
+
replyT.Fields = append(replyT.Fields, NewField(fieldFileResumeData, b))
}
}
func HandleSetClientUserInfo(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- var icon []byte
if len(t.GetField(fieldUserIconID).Data) == 4 {
- icon = t.GetField(fieldUserIconID).Data[2:]
+ cc.Icon = t.GetField(fieldUserIconID).Data[2:]
} else {
- icon = t.GetField(fieldUserIconID).Data
+ cc.Icon = t.GetField(fieldUserIconID).Data
+ }
+ if cc.Authorize(accessAnyName) {
+ cc.UserName = t.GetField(fieldUserName).Data
}
- *cc.Icon = icon
- cc.UserName = t.GetField(fieldUserName).Data
// the options field is only passed by the client versions > 1.2.3.
options := t.GetField(fieldOptions).Data
-
if options != nil {
optBitmap := big.NewInt(int64(binary.BigEndian.Uint16(options)))
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(*cc.Flags)))
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(cc.Flags)))
flagBitmap.SetBit(flagBitmap, userFlagRefusePM, optBitmap.Bit(refusePM))
- binary.BigEndian.PutUint16(*cc.Flags, uint16(flagBitmap.Int64()))
+ binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
flagBitmap.SetBit(flagBitmap, userFLagRefusePChat, optBitmap.Bit(refuseChat))
- binary.BigEndian.PutUint16(*cc.Flags, uint16(flagBitmap.Int64()))
+ binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
// Check auto response
if optBitmap.Bit(autoResponse) == 1 {
}
}
- // Notify all clients of updated user info
- cc.sendAll(
- tranNotifyChangeUser,
- NewField(fieldUserID, *cc.ID),
- NewField(fieldUserIconID, *cc.Icon),
- NewField(fieldUserFlags, *cc.Flags),
- NewField(fieldUserName, cc.UserName),
- )
+ for _, c := range sortedClients(cc.Server.Clients) {
+ res = append(res, *NewTransaction(
+ tranNotifyChangeUser,
+ c.ID,
+ NewField(fieldUserID, *cc.ID),
+ NewField(fieldUserIconID, cc.Icon),
+ NewField(fieldUserFlags, cc.Flags),
+ NewField(fieldUserName, cc.UserName),
+ ))
+ }
return res, err
}
return res, err
}
- fileNames, err := getFileNameList(fullPath)
+ fileNames, err := getFileNameList(fullPath, cc.Server.Config.IgnoreFiles)
if err != nil {
return res, err
}
NewField(fieldChatID, newChatID),
NewField(fieldUserName, cc.UserName),
NewField(fieldUserID, *cc.ID),
- NewField(fieldUserIconID, *cc.Icon),
- NewField(fieldUserFlags, *cc.Flags),
+ NewField(fieldUserIconID, cc.Icon),
+ NewField(fieldUserFlags, cc.Flags),
),
)
NewField(fieldChatID, chatID),
NewField(fieldUserName, cc.UserName),
NewField(fieldUserID, *cc.ID),
- NewField(fieldUserIconID, *cc.Icon),
- NewField(fieldUserFlags, *cc.Flags),
+ NewField(fieldUserIconID, cc.Icon),
+ NewField(fieldUserFlags, cc.Flags),
),
)
NewField(fieldChatID, chatID),
NewField(fieldUserName, cc.UserName),
NewField(fieldUserID, *cc.ID),
- NewField(fieldUserIconID, *cc.Icon),
- NewField(fieldUserFlags, *cc.Flags),
+ NewField(fieldUserIconID, cc.Icon),
+ NewField(fieldUserFlags, cc.Flags),
),
)
}
for _, c := range sortedClients(privChat.ClientConn) {
user := User{
ID: *c.ID,
- Icon: *c.Icon,
- Flags: *c.Flags,
+ Icon: c.Icon,
+ Flags: c.Flags,
Name: string(c.UserName),
}
chatID := t.GetField(fieldChatID).Data
chatInt := binary.BigEndian.Uint32(chatID)
- privChat := cc.Server.PrivateChats[chatInt]
+ privChat, ok := cc.Server.PrivateChats[chatInt]
+ if !ok {
+ return res, nil
+ }
delete(privChat.ClientConn, cc.uint16ID())
res = append(res, cc.NewReply(t))
return res, err
}
+
+func HandleDownloadBanner(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+ fi, err := cc.Server.FS.Stat(filepath.Join(cc.Server.ConfigDir, cc.Server.Config.BannerFile))
+ if err != nil {
+ return res, err
+ }
+
+ ft := cc.newFileTransfer(bannerDownload, []byte{}, []byte{}, make([]byte, 4))
+
+ binary.BigEndian.PutUint32(ft.TransferSize, uint32(fi.Size()))
+
+ res = append(res, cc.NewReply(t,
+ NewField(fieldRefNum, ft.refNum[:]),
+ NewField(fieldTransferSize, ft.TransferSize),
+ ))
+
+ return res, err
+}
git.r.bdr.sh / rbdr / mobius / blobdiff