203 lines
7.7 KiB
Plaintext
203 lines
7.7 KiB
Plaintext
;************************
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;* Library : ltls.pbi
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;*
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;* Server side TLS Implementation to communicate encrypted.
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;*
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;* Created and develobed by Linder Hard- und Software
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;*
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;* Current only usable for Linux.
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;*
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;*
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CompilerIf #PB_Compiler_OS <> #PB_OS_Linux
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CompilerError "Only for Linux"
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CompilerEndIf
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XIncludeFile "lsocket.pbi"
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DeclareModule ltls
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Structure s_tls_server
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CA.s
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Cert.s
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Key.s
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Password.s
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EndStructure
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Declare InitSimpleTLS(CA.s, Cert.s, Key.s, Password.s, TLSID.i = 0)
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Declare InitTLS(*Settings.s_tls_server, TLSID.i = 0)
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Declare WaitTLSSocket(ServerSocket.i, TLSID.i = 0)
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Declare ReadTLSSocket(Connection.i, *Buffer, Length.i)
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Declare WriteTLSSocket(Connection.i, *Buffer, Length.i)
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Declare CloseTLSSocket(Connection.i)
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Declare CloseTLS(TLSID.i = 0)
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Declare.s ErrorTLSSrv(TLSID.i = 0)
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Declare.s ErrorTLSCli(Connection)
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EndDeclareModule
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Module ltls
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PrototypeC.i Pr_tls_init()
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PrototypeC.i Pr_tls_config_new()
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PrototypeC.i Pr_tls_load_file_pw(FileName.p-utf8, Length, Password.p-utf8)
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PrototypeC.i Pr_tls_load_file(FileName.p-utf8, Length, Passord.s = #Null$)
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PrototypeC.i Pr_tls_config_set_ca_mem(*tls_config , Memory.i, Length.i)
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PrototypeC.i Pr_tls_config_set_cert_mem(*tls_config , Memory.i, Length.i)
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PrototypeC.i Pr_tls_config_set_key_mem(*tls_config , Memory.i, Length.i)
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PrototypeC.i Pr_tls_server()
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PrototypeC.i Pr_tls_configure(*ctx, *cfg)
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PrototypeC.i Pr_tls_error(*ctx)
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PrototypeC.i Pr_tls_accept_socket(*ctx, *cctx, Socket.l)
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PrototypeC.i Pr_tls_accept_cbs(*ctx, *cctx, read_cb.i, write_cb.i, arg_ch.i = #Null)
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PrototypeC.i Pr_tls_read(*cctx, *buffer, Size.i)
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PrototypeC.i Pr_tls_write(*cctx, *buffer, Size.i)
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PrototypeC.i Pr_tls_handshake(*cctx)
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PrototypeC.i Pr_tls_close(*cctx)
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PrototypeC.i Pr_tls_free(*ctx)
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PrototypeC.i Pr_tls_config_free(*cfg)
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#TLS_WANT_POLLIN = -2
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#TLS_WANT_POLLOUT = -3
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CompilerIf #PB_Compiler_Processor = #PB_Processor_x64
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Define libressl_tls = OpenLibrary(#PB_Any, "/usr/lib64/libtls.so.20")
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CompilerElse
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Define libressl_tls = OpenLibrary(#PB_Any, "/usr/lib/libtls.so.20")
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CompilerEndIf
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If IsLibrary(libressl_tls)
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Define Call_tls_init = GetFunction(libressl_tls, "tls_init")
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Define Call_tls_config_new = GetFunction(libressl_tls, "tls_config_new")
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Define Call_tls_load_file = GetFunction(libressl_tls, "tls_load_file")
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Define Call_tls_config_set_ca_mem = GetFunction(libressl_tls, "tls_config_set_ca_mem")
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Define Call_tls_config_set_cert_mem = GetFunction(libressl_tls, "tls_config_set_cert_mem")
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Define Call_tls_config_set_key_mem = GetFunction(libressl_tls, "tls_config_set_key_mem")
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Define Call_tls_server = GetFunction(libressl_tls, "tls_server")
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Define Call_tls_configure = GetFunction(libressl_tls, "tls_configure")
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Define Call_tls_error = GetFunction(libressl_tls, "tls_error")
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Define Call_tls_accept_socket = GetFunction(libressl_tls, "tls_accept_socket")
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Define Call_tls_accept_cbs = GetFunction(libressl_tls, "tls_accept_cbs")
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Define Call_tls_read = GetFunction(libressl_tls, "tls_read")
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Define Call_tls_write = GetFunction(libressl_tls, "tls_write")
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Define Call_tls_handshake = GetFunction(libressl_tls, "tls_handshake")
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Define Call_tls_close = GetFunction(libressl_tls, "tls_close")
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Define Call_tls_free = GetFunction(libressl_tls, "tls_free")
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Define Call_tls_config_free = GetFunction(libressl_tls, "tls_config_free")
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Else
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Debug "libtls.so Library Not found"
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End
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EndIf
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Global.Pr_tls_init tls_init = Call_tls_init
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Global.Pr_tls_config_new tls_config_new = Call_tls_config_new
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Global.Pr_tls_load_file tls_load_file = Call_tls_load_file
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Global.Pr_tls_load_file_pw tls_load_file_pw = Call_tls_load_file
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Global.Pr_tls_config_set_ca_mem tls_config_set_ca_mem = Call_tls_config_set_ca_mem
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Global.Pr_tls_config_set_cert_mem tls_config_set_cert_mem = Call_tls_config_set_cert_mem
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Global.Pr_tls_config_set_key_mem tls_config_set_key_mem = Call_tls_config_set_key_mem
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Global.Pr_tls_server tls_server = Call_tls_server
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Global.Pr_tls_configure tls_configure = Call_tls_configure
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Global.Pr_tls_error tls_error = Call_tls_error
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Global.Pr_tls_accept_socket tls_accept_socket = Call_tls_accept_socket
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Global.Pr_tls_accept_cbs tls_accept_cbs = Call_tls_accept_cbs
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Global.Pr_tls_read tls_read = Call_tls_read
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Global.Pr_tls_write tls_write = Call_tls_write
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Global.Pr_tls_handshake tls_handshake = Call_tls_handshake
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Global.Pr_tls_close tls_close = Call_tls_close
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Global.Pr_tls_free tls_free = Call_tls_free
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Global.Pr_tls_config_free tls_config_free = Call_tls_config_free
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Global *ctx, *cfg
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Global tls_cfg = #Null
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Global tls_ctx = #Null
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Procedure InitSimpleTLS(CA.s, Cert.s, Key.s, Password.s, TLSID.i = 0)
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Define Settings.s_tls_server
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Define TLSInitReturn.i
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Settings\CA = CA
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Settings\Cert = Cert
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Settings\Key = Key
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Settings\Password = Password
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TLSInitReturn = InitTLS(@Settings, TLSID)
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ProcedureReturn TLSInitReturn
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EndProcedure
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Procedure InitTLS(*Settings.s_tls_server, TLSID.i = 0)
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Protected mem_ptr.i, length.i, returns.i
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If tls_init() <> 0 : ProcedureReturn -1 : EndIf
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tls_cfg = tls_config_new()
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Debug "TLS cfg obj:"+Str(tls_cfg)
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Debug "CA:"+*Settings\CA
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mem_ptr = tls_load_file(*Settings\CA, @length)
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If Not mem_ptr : tls_config_free(tls_cfg) : ProcedureReturn -2 : EndIf
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tls_config_set_ca_mem(tls_cfg, mem_ptr, length)
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Debug "Cert:"+*Settings\Cert
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mem_ptr = tls_load_file(*Settings\Cert, @length)
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If Not mem_ptr : tls_config_free(tls_cfg) : ProcedureReturn -3 : EndIf
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tls_config_set_cert_mem(tls_cfg, mem_ptr, length)
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If Len(*Settings\Password) > 0
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Debug "Key:"+*Settings\Key + " Password:"+*Settings\Password
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mem_ptr = tls_load_file_pw(*Settings\Key, @length, *Settings\Password)
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If Not mem_ptr : tls_config_free(tls_cfg) : ProcedureReturn -4 : EndIf
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tls_config_set_key_mem(tls_cfg, mem_ptr, length)
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Else
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Debug "Key:"+*Settings\Key
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mem_ptr = tls_load_file(*Settings\Key, @length)
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If Not mem_ptr : tls_config_free(tls_cfg) : ProcedureReturn -5 : EndIf
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tls_config_set_key_mem(tls_cfg, mem_ptr, length)
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EndIf
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tls_ctx = tls_server()
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Debug "TLS Server obj:"+Str(tls_ctx)
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If Not tls_ctx : tls_config_free(tls_cfg) : ProcedureReturn -6 : EndIf
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returns = tls_configure(tls_ctx, tls_cfg)
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Debug "Configure Returns:"+Str(returns)
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If returns <> 0 :Debug ErrorTLSSrv(): tls_free(tls_ctx) : tls_config_free(tls_cfg) : ProcedureReturn -7 : EndIf
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ProcedureReturn 1
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EndProcedure
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Procedure WaitTLSSocket(ServerSocket.i, TLSID.i = 0)
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Protected sockID.i , tlssID.i, cctx
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sockID = lsocket::WaitSocket(ServerSocket)
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If sockID < 0 : ProcedureReturn -1 : EndIf
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tlssID = tls_accept_socket(tls_ctx, @cctx, sockID)
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If tlssID = -1 : ProcedureReturn -2 : EndIf
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ProcedureReturn cctx
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EndProcedure
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Procedure ReadTLSSocket(Connection.i, Buffer, Length.i)
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Protected Received.i
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Received = tls_read(Connection, Buffer, Length)
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ProcedureReturn Received
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EndProcedure
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Procedure WriteTLSSocket(Connection.i, Buffer, Length.i)
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Protected Received.i
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Received = tls_write(Connection, Buffer, Length)
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ProcedureReturn Received
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EndProcedure
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Procedure CloseTLSSocket(Connection.i)
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tls_close(Connection)
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EndProcedure
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Procedure.s ErrorTLSSrv(TLSID.i = 0)
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Protected Error.s
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Error = PeekS(tls_error(tls_ctx),-1,#PB_Ascii)
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ProcedureReturn Error
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EndProcedure
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Procedure.s ErrorTLSCli(Connection.i)
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Protected Error.s
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Error = PeekS(tls_error(Connection),-1,#PB_Ascii)
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ProcedureReturn Error
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EndProcedure
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Procedure CloseTLS(TLSID.i = 0)
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tls_free(tls_ctx)
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tls_config_free(tls_cfg)
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EndProcedure
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EndModule
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