"errors"
"fmt"
"gopkg.in/yaml.v3"
- "io/ioutil"
"math/big"
"os"
"path"
},
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) {
- if !authorize(cc.Account.Access, accessSendChat) {
+ if !cc.Authorize(accessSendChat) {
res = append(res, cc.NewErrReply(t, "You are not allowed to participate in chat."))
return res, err
}
// By holding the option key, Hotline chat allows users to send /me formatted messages like:
// *** Halcyon does stuff
- // This is indicated by the presence of the optional field fieldChatOptions in the transaction payload
- if t.GetField(fieldChatOptions).Data != nil {
+ // This is indicated by the presence of the optional field fieldChatOptions set to a value of 1.
+ // Most clients do not send this option for normal chat messages.
+ if t.GetField(fieldChatOptions).Data != nil && bytes.Equal(t.GetField(fieldChatOptions).Data, []byte{0, 1}) {
formattedMsg = fmt.Sprintf("\r*** %s %s", cc.UserName, t.GetField(fieldData).Data)
}
+ // The ChatID field is used to identify messages as belonging to a private chat.
+ // All clients *except* Frogblast omit this field for public chat, but Frogblast sends a value of 00 00 00 00.
chatID := t.GetField(fieldChatID).Data
- // a non-nil chatID indicates the message belongs to a private chat
- if chatID != nil {
+ if chatID != nil && !bytes.Equal([]byte{0, 0, 0, 0}, chatID) {
chatInt := binary.BigEndian.Uint32(chatID)
privChat := cc.Server.PrivateChats[chatInt]
for _, c := range sortedClients(cc.Server.Clients) {
// Filter out clients that do not have the read chat permission
- if authorize(c.Account.Access, accessReadChat) {
+ if c.Authorize(accessReadChat) {
res = append(res, *NewTransaction(tranChatMsg, c.ID, NewField(fieldData, []byte(formattedMsg))))
}
}
// HandleSendInstantMsg sends instant message to the user on the current server.
// Fields used in the request:
+//
// 103 User ID
// 113 Options
// One of the following values:
// 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)
reply.Fields = append(reply.Fields, NewField(fieldQuotingMsg, t.GetField(fieldQuotingMsg).Data))
}
- res = append(res, *reply)
-
id, _ := byteToInt(ID.Data)
otherClient, ok := cc.Server.Clients[uint16(id)]
if !ok {
return res, errors.New("invalid client ID")
}
+ // Check if target user has "Refuse private messages" flag
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(otherClient.Flags)))
+ if flagBitmap.Bit(userFLagRefusePChat) == 1 {
+ res = append(res,
+ *NewTransaction(
+ tranServerMsg,
+ cc.ID,
+ NewField(fieldData, []byte(string(otherClient.UserName)+" does not accept private messages.")),
+ NewField(fieldUserName, otherClient.UserName),
+ NewField(fieldUserID, *otherClient.ID),
+ NewField(fieldOptions, []byte{0, 2}),
+ ),
+ )
+ } else {
+ res = append(res, *reply)
+ }
+
// Respond with auto reply if other client has it enabled
if len(otherClient.AutoReply) > 0 {
res = append(res,
if t.GetField(fieldFileComment).Data != nil {
switch mode := fi.Mode(); {
case mode.IsDir():
- if !authorize(cc.Account.Access, accessSetFolderComment) {
+ if !cc.Authorize(accessSetFolderComment) {
res = append(res, cc.NewErrReply(t, "You are not allowed to set comments for folders."))
return res, err
}
case mode.IsRegular():
- if !authorize(cc.Account.Access, accessSetFileComment) {
+ if !cc.Authorize(accessSetFileComment) {
res = append(res, cc.NewErrReply(t, "You are not allowed to set comments for files."))
return res, err
}
}
- hlFile.ffo.FlatFileInformationFork.setComment(t.GetField(fieldFileComment).Data)
+ if err := hlFile.ffo.FlatFileInformationFork.setComment(t.GetField(fieldFileComment).Data); err != nil {
+ return res, err
+ }
w, err := hlFile.infoForkWriter()
if err != nil {
return res, err
if fileNewName != nil {
switch mode := fi.Mode(); {
case mode.IsDir():
- if !authorize(cc.Account.Access, accessRenameFolder) {
+ if !cc.Authorize(accessRenameFolder) {
res = append(res, cc.NewErrReply(t, "You are not allowed to rename folders."))
return res, err
}
return res, err
}
case mode.IsRegular():
- if !authorize(cc.Account.Access, accessRenameFile) {
+ if !cc.Authorize(accessRenameFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to rename files."))
return res, err
}
return res, err
}
if err != nil {
- panic(err)
+ return res, err
}
}
}
switch mode := fi.Mode(); {
case mode.IsDir():
- if !authorize(cc.Account.Access, accessDeleteFolder) {
+ if !cc.Authorize(accessDeleteFolder) {
res = append(res, cc.NewErrReply(t, "You are not allowed to delete folders."))
return res, err
}
case mode.IsRegular():
- if !authorize(cc.Account.Access, accessDeleteFile) {
+ if !cc.Authorize(accessDeleteFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to delete files."))
return res, err
}
return res, err
}
- cc.Server.Logger.Debugw("Move file", "src", filePath+"/"+fileName, "dst", fileNewPath+"/"+fileName)
+ cc.logger.Infow("Move file", "src", filePath+"/"+fileName, "dst", fileNewPath+"/"+fileName)
hlFile, err := newFileWrapper(cc.Server.FS, filePath, 0)
+ if err != nil {
+ return res, err
+ }
fi, err := hlFile.dataFile()
if err != nil {
}
switch mode := fi.Mode(); {
case mode.IsDir():
- if !authorize(cc.Account.Access, accessMoveFolder) {
+ if !cc.Authorize(accessMoveFolder) {
res = append(res, cc.NewErrReply(t, "You are not allowed to move folders."))
return res, err
}
case mode.IsRegular():
- if !authorize(cc.Account.Access, accessMoveFile) {
+ if !cc.Authorize(accessMoveFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to move files."))
return res, err
}
}
func HandleNewFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessCreateFolder) {
+ if !cc.Authorize(accessCreateFolder) {
res = append(res, cc.NewErrReply(t, "You are not allowed to create folders."))
return res, err
}
// fieldFilePath is only present for nested paths
if t.GetField(fieldFilePath).Data != nil {
var newFp FilePath
- err := newFp.UnmarshalBinary(t.GetField(fieldFilePath).Data)
+ _, err := newFp.Write(t.GetField(fieldFilePath).Data)
if err != nil {
return nil, err
}
}
func HandleSetUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessModifyUser) {
+ if !cc.Authorize(accessModifyUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to modify accounts."))
return res, err
}
newAccessLvl := t.GetField(fieldUserAccess).Data
account := cc.Server.Accounts[login]
- account.Access = &newAccessLvl
account.Name = userName
+ copy(account.Access[:], newAccessLvl)
// If the password field is cleared in the Hotline edit user UI, the SetUser transaction does
// not include fieldUserPassword
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)))
- if authorize(c.Account.Access, accessDisconUser) {
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(c.Flags)))
+ if c.Authorize(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),
)
}
}
}
func HandleGetUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessOpenUser) {
+ if !cc.Authorize(accessOpenUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to view accounts."))
return res, err
}
NewField(fieldUserName, []byte(account.Name)),
NewField(fieldUserLogin, negateString(t.GetField(fieldUserLogin).Data)),
NewField(fieldUserPassword, []byte(account.Password)),
- NewField(fieldUserAccess, *account.Access),
+ NewField(fieldUserAccess, account.Access[:]),
))
return res, err
}
func HandleListUsers(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessOpenUser) {
+ if !cc.Authorize(accessOpenUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to view accounts."))
return res, err
}
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...))
if len(subFields) == 1 {
login := DecodeUserString(getField(fieldData, &subFields).Data)
- cc.Server.Logger.Infow("DeleteUser", "login", login)
+ cc.logger.Infow("DeleteUser", "login", login)
- if !authorize(cc.Account.Access, accessDeleteUser) {
+ if !cc.Authorize(accessDeleteUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to delete accounts."))
return res, err
}
// check if the login dataFile; if so, we know we are updating an existing user
if acc, ok := cc.Server.Accounts[login]; ok {
- cc.Server.Logger.Infow("UpdateUser", "login", login)
+ cc.logger.Infow("UpdateUser", "login", login)
// account dataFile, so this is an update action
- if !authorize(cc.Account.Access, accessModifyUser) {
+ if !cc.Authorize(accessModifyUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to modify accounts."))
return res, err
}
}
if getField(fieldUserAccess, &subFields) != nil {
- acc.Access = &getField(fieldUserAccess, &subFields).Data
+ copy(acc.Access[:], getField(fieldUserAccess, &subFields).Data)
}
err = cc.Server.UpdateUser(
DecodeUserString(getField(fieldUserLogin, &subFields).Data),
string(getField(fieldUserName, &subFields).Data),
acc.Password,
- *acc.Access,
+ acc.Access,
)
if err != nil {
return res, err
}
} else {
- cc.Server.Logger.Infow("CreateUser", "login", login)
+ cc.logger.Infow("CreateUser", "login", login)
- if !authorize(cc.Account.Access, accessCreateUser) {
+ if !cc.Authorize(accessCreateUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to create new accounts."))
return res, err
}
- err := cc.Server.NewUser(
- login,
- string(getField(fieldUserName, &subFields).Data),
- string(getField(fieldUserPassword, &subFields).Data),
- getField(fieldUserAccess, &subFields).Data,
- )
+ newAccess := accessBitmap{}
+ copy(newAccess[:], getField(fieldUserAccess, &subFields).Data[:])
+
+ // Prevent account from creating new account with greater permission
+ for i := 0; i < 64; i++ {
+ if newAccess.IsSet(i) {
+ if !cc.Authorize(i) {
+ return append(res, cc.NewErrReply(t, "Cannot create account with more access than yourself.")), err
+ }
+ }
+ }
+
+ err := cc.Server.NewUser(login, string(getField(fieldUserName, &subFields).Data), string(getField(fieldUserPassword, &subFields).Data), newAccess)
if err != nil {
return []Transaction{}, err
}
// HandleNewUser creates a new user account
func HandleNewUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessCreateUser) {
+ if !cc.Authorize(accessCreateUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to create new accounts."))
return res, err
}
return res, err
}
- if err := cc.Server.NewUser(
- login,
- string(t.GetField(fieldUserName).Data),
- string(t.GetField(fieldUserPassword).Data),
- t.GetField(fieldUserAccess).Data,
- ); err != nil {
+ newAccess := accessBitmap{}
+ copy(newAccess[:], t.GetField(fieldUserAccess).Data[:])
+
+ // Prevent account from creating new account with greater permission
+ for i := 0; i < 64; i++ {
+ if newAccess.IsSet(i) {
+ if !cc.Authorize(i) {
+ res = append(res, cc.NewErrReply(t, "Cannot create account with more access than yourself."))
+ return res, err
+ }
+ }
+ }
+
+ if err := cc.Server.NewUser(login, string(t.GetField(fieldUserName).Data), string(t.GetField(fieldUserPassword).Data), newAccess); err != nil {
return []Transaction{}, err
}
}
func HandleDeleteUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessDeleteUser) {
+ if !cc.Authorize(accessDeleteUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to delete accounts."))
return res, err
}
// HandleUserBroadcast sends an Administrator Message to all connected clients of the server
func HandleUserBroadcast(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessBroadcast) {
+ if !cc.Authorize(accessBroadcast) {
res = append(res, cc.NewErrReply(t, "You are not allowed to send broadcast messages."))
return res, err
}
return res, err
}
-func byteToInt(bytes []byte) (int, error) {
- switch len(bytes) {
- case 2:
- return int(binary.BigEndian.Uint16(bytes)), nil
- case 4:
- return int(binary.BigEndian.Uint32(bytes)), nil
- }
-
- return 0, errors.New("unknown byte length")
-}
-
-func HandleGetClientConnInfoText(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"))
+// 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 !cc.Authorize(accessGetClientInfo) {
+ 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")
+ return append(res, cc.NewErrReply(t, "User not found.")), err
}
- // 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"
- }
-
- 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("%v", func() int { i, _ := byteToInt(cc.Version); return i }()))
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))
// Fields used in this request:
// 101 Data
func HandleTranOldPostNews(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsPostArt) {
+ if !cc.Authorize(accessNewsPostArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to post news."))
return res, err
}
cc.Server.FlatNews = append([]byte(newsPost), cc.Server.FlatNews...)
// update news on disk
- if err := ioutil.WriteFile(cc.Server.ConfigDir+"MessageBoard.txt", cc.Server.FlatNews, 0644); err != nil {
+ if err := cc.Server.FS.WriteFile(filepath.Join(cc.Server.ConfigDir, "MessageBoard.txt"), cc.Server.FlatNews, 0644); err != nil {
return res, err
}
}
func HandleDisconnectUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessDisconUser) {
+ if !cc.Authorize(accessDisconUser) {
res = append(res, cc.NewErrReply(t, "You are not allowed to disconnect users."))
return res, err
}
clientConn := cc.Server.Clients[binary.BigEndian.Uint16(t.GetField(fieldUserID).Data)]
- if authorize(clientConn.Account.Access, accessCannotBeDiscon) {
+ if clientConn.Authorize(accessCannotBeDiscon) {
res = append(res, cc.NewErrReply(t, clientConn.Account.Login+" is not allowed to be disconnected."))
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
// Fields used in the request:
// 325 News path (Optional)
func HandleGetNewsCatNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsReadArt) {
+ if !cc.Authorize(accessNewsReadArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
return res, err
}
- newsPath := t.GetField(fieldNewsPath).Data
- cc.Server.Logger.Infow("NewsPath: ", "np", string(newsPath))
-
pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
cats := cc.Server.GetNewsCatByPath(pathStrs)
}
func HandleNewNewsCat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsCreateCat) {
+ if !cc.Authorize(accessNewsCreateCat) {
res = append(res, cc.NewErrReply(t, "You are not allowed to create news categories."))
return res, err
}
// 322 News category name
// 325 News path
func HandleNewNewsFldr(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsCreateFldr) {
+ if !cc.Authorize(accessNewsCreateFldr) {
res = append(res, cc.NewErrReply(t, "You are not allowed to create news folders."))
return res, err
}
name := string(t.GetField(fieldFileName).Data)
pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
- cc.Server.Logger.Infof("Creating new news folder %s", name)
+ cc.logger.Infof("Creating new news folder %s", name)
cats := cc.Server.GetNewsCatByPath(pathStrs)
cats[name] = NewsCategoryListData15{
return res, err
}
+// HandleGetNewsArtData gets the list of article names at the specified news path.
+
// Fields used in the request:
// 325 News path Optional
-//
-// Reply fields:
+
+// Fields used in the reply:
// 321 News article list data Optional
func HandleGetNewsArtNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsReadArt) {
+ if !cc.Authorize(accessNewsReadArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
return res, err
}
return res, err
}
+// HandleGetNewsArtData requests information about the specific news article.
+// Fields used in the request:
+//
+// Request fields
+// 325 News path
+// 326 News article ID
+// 327 News article data flavor
+//
+// Fields used in the reply:
+// 328 News article title
+// 329 News article poster
+// 330 News article date
+// 331 Previous article ID
+// 332 Next article ID
+// 335 Parent article ID
+// 336 First child article ID
+// 327 News article data flavor "Should be “text/plain”
+// 333 News article data Optional (if data flavor is “text/plain”)
func HandleGetNewsArtData(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsReadArt) {
+ if !cc.Authorize(accessNewsReadArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
return res, err
}
- // Request fields
- // 325 News fp
- // 326 News article ID
- // 327 News article data flavor
-
- pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
-
var cat NewsCategoryListData15
cats := cc.Server.ThreadedNews.Categories
- for _, fp := range pathStrs {
+ for _, fp := range ReadNewsPath(t.GetField(fieldNewsPath).Data) {
cat = cats[fp]
cats = cats[fp].SubCats
}
- newsArtID := t.GetField(fieldNewsArtID).Data
- convertedArtID := binary.BigEndian.Uint16(newsArtID)
+ // The official Hotline clients will send the article ID as 2 bytes if possible, but
+ // some third party clients such as Frogblast and Heildrun will always send 4 bytes
+ convertedID, err := byteToInt(t.GetField(fieldNewsArtID).Data)
+ if err != nil {
+ return res, err
+ }
- art := cat.Articles[uint32(convertedArtID)]
+ art := cat.Articles[uint32(convertedID)]
if art == nil {
res = append(res, cc.NewReply(t))
return res, err
}
- // Reply fields
- // 328 News article title
- // 329 News article poster
- // 330 News article date
- // 331 Previous article ID
- // 332 Next article ID
- // 335 Parent article ID
- // 336 First child article ID
- // 327 News article data flavor "Should be “text/plain”
- // 333 News article data Optional (if data flavor is “text/plain”)
-
res = append(res, cc.NewReply(t,
NewField(fieldNewsArtTitle, []byte(art.Title)),
NewField(fieldNewsArtPoster, []byte(art.Poster)),
return res, err
}
+// HandleDelNewsItem deletes an existing threaded news folder or category from the server.
+// Fields used in the request:
+// 325 News path
+// Fields used in the reply:
+// None
func HandleDelNewsItem(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- // Has multiple access flags: News Delete Folder (37) or News Delete Category (35)
- // TODO: Implement
-
pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
- // TODO: determine if path is a Folder (Bundle) or Category and check for permission
-
- cc.Server.Logger.Infof("DelNewsItem %v", pathStrs)
-
cats := cc.Server.ThreadedNews.Categories
-
delName := pathStrs[len(pathStrs)-1]
if len(pathStrs) > 1 {
for _, fp := range pathStrs[0 : len(pathStrs)-1] {
}
}
+ if bytes.Equal(cats[delName].Type, []byte{0, 3}) {
+ if !cc.Authorize(accessNewsDeleteCat) {
+ return append(res, cc.NewErrReply(t, "You are not allowed to delete news categories.")), nil
+ }
+ } else {
+ if !cc.Authorize(accessNewsDeleteFldr) {
+ return append(res, cc.NewErrReply(t, "You are not allowed to delete news folders.")), nil
+ }
+ }
+
delete(cats, delName)
- err = cc.Server.writeThreadedNews()
- if err != nil {
+ if err := cc.Server.writeThreadedNews(); err != nil {
return res, err
}
- // Reply params: none
- res = append(res, cc.NewReply(t))
-
- return res, err
+ return append(res, cc.NewReply(t)), nil
}
func HandleDelNewsArt(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsDeleteArt) {
+ if !cc.Authorize(accessNewsDeleteArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to delete news articles."))
return res, err
}
// 326 News article ID
// 337 News article – recursive delete Delete child articles (1) or not (0)
pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
- ID := binary.BigEndian.Uint16(t.GetField(fieldNewsArtID).Data)
+ ID, err := byteToInt(t.GetField(fieldNewsArtID).Data)
+ if err != nil {
+ return res, err
+ }
// TODO: Delete recursive
cats := cc.Server.GetNewsCatByPath(pathStrs[:len(pathStrs)-1])
// 327 News article data flavor Currently “text/plain”
// 333 News article data
func HandlePostNewsArt(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsPostArt) {
+ if !cc.Authorize(accessNewsPostArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to post news articles."))
return res, err
}
catName := pathStrs[len(pathStrs)-1]
cat := cats[catName]
+ artID, err := byteToInt(t.GetField(fieldNewsArtID).Data)
+ if err != nil {
+ return res, err
+ }
+ convertedArtID := uint32(artID)
+ bs := make([]byte, 4)
+ binary.LittleEndian.PutUint32(bs, convertedArtID)
+
newArt := NewsArtData{
Title: string(t.GetField(fieldNewsArtTitle).Data),
Poster: string(cc.UserName),
Date: toHotlineTime(time.Now()),
PrevArt: []byte{0, 0, 0, 0},
NextArt: []byte{0, 0, 0, 0},
- ParentArt: append([]byte{0, 0}, t.GetField(fieldNewsArtID).Data...),
+ ParentArt: bs,
FirstChildArt: []byte{0, 0, 0, 0},
DataFlav: []byte("text/plain"),
Data: string(t.GetField(fieldNewsArtData).Data),
}
// Update parent article with first child reply
- parentID := binary.BigEndian.Uint16(t.GetField(fieldNewsArtID).Data)
+ parentID := convertedArtID
if parentID != 0 {
- parentArt := cat.Articles[uint32(parentID)]
+ parentArt := cat.Articles[parentID]
if bytes.Equal(parentArt.FirstChildArt, []byte{0, 0, 0, 0}) {
binary.BigEndian.PutUint32(parentArt.FirstChildArt, nextID)
// HandleGetMsgs returns the flat news data
func HandleGetMsgs(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessNewsReadArt) {
+ if !cc.Authorize(accessNewsReadArt) {
res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
return res, err
}
}
func HandleDownloadFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessDownloadFile) {
+ if !cc.Authorize(accessDownloadFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to download files."))
return res, err
}
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[:]),
// Download all files from the specified folder and sub-folders
func HandleDownloadFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessDownloadFile) {
+ if !cc.Authorize(accessDownloadFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to download folders."))
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.Write(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 {
+ if _, err = fp.Write(t.GetField(fieldFilePath).Data); err != nil {
return res, err
}
}
// Handle special cases for Upload and Drop Box folders
- if !authorize(cc.Account.Access, accessUploadAnywhere) {
+ if !cc.Authorize(accessUploadAnywhere) {
if !fp.IsUploadDir() && !fp.IsDropbox() {
res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the folder \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(t.GetField(fieldFileName).Data))))
return res, err
}
}
- 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
}
// Used only to resume download, currently has value 2"
// 108 File transfer size "Optional used if download is not resumed"
func HandleUploadFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessUploadFile) {
+ if !cc.Authorize(accessUploadFile) {
res = append(res, cc.NewErrReply(t, "You are not allowed to upload files."))
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 {
- if err = fp.UnmarshalBinary(filePath); err != nil {
+ if _, err = fp.Write(filePath); err != nil {
return res, err
}
}
// Handle special cases for Upload and Drop Box folders
- if !authorize(cc.Account.Access, accessUploadAnywhere) {
+ if !cc.Authorize(accessUploadAnywhere) {
if !fp.IsUploadDir() && !fp.IsDropbox() {
res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the file \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(fileName))))
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
}
var fp FilePath
if t.GetField(fieldFilePath).Data != nil {
- if err = fp.UnmarshalBinary(t.GetField(fieldFilePath).Data); err != nil {
+ if _, err = fp.Write(t.GetField(fieldFilePath).Data); err != nil {
return res, err
}
}
// Handle special case for drop box folders
- if fp.IsDropbox() && !authorize(cc.Account.Access, accessViewDropBoxes) {
+ if fp.IsDropbox() && !cc.Authorize(accessViewDropBoxes) {
res = append(res, cc.NewErrReply(t, "You are not allowed to view drop boxes."))
return res, err
}
- fileNames, err := getFileNameList(fullPath)
+ fileNames, err := getFileNameList(fullPath, cc.Server.Config.IgnoreFiles)
if err != nil {
return res, err
}
// HandleInviteNewChat invites users to new private chat
func HandleInviteNewChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessOpenChat) {
+ if !cc.Authorize(accessOpenChat) {
res = append(res, cc.NewErrReply(t, "You are not allowed to request private chat."))
return res, err
}
targetID := t.GetField(fieldUserID).Data
newChatID := cc.Server.NewPrivateChat(cc)
- res = append(res,
- *NewTransaction(
- tranInviteToChat,
- &targetID,
- NewField(fieldChatID, newChatID),
- NewField(fieldUserName, cc.UserName),
- NewField(fieldUserID, *cc.ID),
- ),
- )
+ // Check if target user has "Refuse private chat" flag
+ binary.BigEndian.Uint16(targetID)
+ targetClient := cc.Server.Clients[binary.BigEndian.Uint16(targetID)]
+
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(targetClient.Flags)))
+ if flagBitmap.Bit(userFLagRefusePChat) == 1 {
+ res = append(res,
+ *NewTransaction(
+ tranServerMsg,
+ cc.ID,
+ NewField(fieldData, []byte(string(targetClient.UserName)+" does not accept private chats.")),
+ NewField(fieldUserName, targetClient.UserName),
+ NewField(fieldUserID, *targetClient.ID),
+ NewField(fieldOptions, []byte{0, 2}),
+ ),
+ )
+ } else {
+ res = append(res,
+ *NewTransaction(
+ tranInviteToChat,
+ &targetID,
+ NewField(fieldChatID, newChatID),
+ NewField(fieldUserName, cc.UserName),
+ NewField(fieldUserID, *cc.ID),
+ ),
+ )
+ }
res = append(res,
cc.NewReply(t,
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),
),
)
}
func HandleInviteToChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessOpenChat) {
+ if !cc.Authorize(accessOpenChat) {
res = append(res, cc.NewErrReply(t, "You are not allowed to request private chat."))
return res, err
}
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),
}
// HandleLeaveChat is sent from a v1.8+ Hotline client when the user exits a private chat
// Fields used in the request:
-// * 114 fieldChatID
+// - 114 fieldChatID
+//
// Reply is not expected.
func HandleLeaveChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
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())
// Fields used in the reply:
// None
func HandleMakeAlias(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !authorize(cc.Account.Access, accessMakeAlias) {
+ if !cc.Authorize(accessMakeAlias) {
res = append(res, cc.NewErrReply(t, "You are not allowed to make aliases."))
return res, err
}
return res, err
}
- cc.Server.Logger.Debugw("Make alias", "src", fullFilePath, "dst", fullNewFilePath)
+ cc.logger.Debugw("Make alias", "src", fullFilePath, "dst", fullNewFilePath)
if err := cc.Server.FS.Symlink(fullFilePath, fullNewFilePath); err != nil {
res = append(res, cc.NewErrReply(t, "Error creating alias"))
res = append(res, cc.NewReply(t))
return res, err
}
+
+// HandleDownloadBanner handles requests for a new banner from the server
+// Fields used in the request:
+// None
+// Fields used in the reply:
+// 107 fieldRefNum Used later for transfer
+// 108 fieldTransferSize Size of data to be downloaded
+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
+}