/* * Copyright 2016 VMS Software, Inc. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifdef __VMS #define OPENSSL_SYS_VMS #pragma message disable DOLLARID #include #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) /* * On VMS, you need to define this to get the declaration of fileno(). The * value 2 is to make sure no function defined in POSIX-2 is left undefined. */ # define _POSIX_C_SOURCE 2 #endif #include #undef _POSIX_C_SOURCE #include #include #include #include #include #include #include #include #include #ifdef __alpha #include #else typedef struct _iosb { /* Copied from IOSBDEF.H for Alpha */ #pragma __nomember_alignment __union { __struct { unsigned short int iosb$w_status; /* Final I/O status */ __union { __struct { /* 16-bit byte count variant */ unsigned short int iosb$w_bcnt; /* 16-bit byte count */ __union { unsigned int iosb$l_dev_depend; /* 32-bit device dependent info */ unsigned int iosb$l_pid; /* 32-bit pid */ } iosb$r_l; } iosb$r_bcnt_16; __struct { /* 32-bit byte count variant */ unsigned int iosb$l_bcnt; /* 32-bit byte count (unaligned) */ unsigned short int iosb$w_dev_depend_high; /* 16-bit device dependent info */ } iosb$r_bcnt_32; } iosb$r_devdepend; } iosb$r_io_64; __struct { __union { unsigned int iosb$l_getxxi_status; /* Final GETxxI status */ unsigned int iosb$l_reg_status; /* Final $Registry status */ } iosb$r_l_status; unsigned int iosb$l_reserved; /* Reserved field */ } iosb$r_get_64; } iosb$r_io_get; } IOSB; #if !defined(__VAXC) #define iosb$w_status iosb$r_io_get.iosb$r_io_64.iosb$w_status #define iosb$w_bcnt iosb$r_io_get.iosb$r_io_64.iosb$r_devdepend.iosb$r_bcnt_16.iosb$w_bcnt #define iosb$r_l iosb$r_io_get.iosb$r_io_64.iosb$r_devdepend.iosb$r_bcnt_16.iosb$r_l #define iosb$l_dev_depend iosb$r_l.iosb$l_dev_depend #define iosb$l_pid iosb$r_l.iosb$l_pid #define iosb$l_bcnt iosb$r_io_get.iosb$r_io_64.iosb$r_devdepend.iosb$r_bcnt_32.iosb$l_bcnt #define iosb$w_dev_depend_high iosb$r_io_get.iosb$r_io_64.iosb$r_devdepend.iosb$r_bcnt_32.iosb$w_dev_depend_high #define iosb$l_getxxi_status iosb$r_io_get.iosb$r_get_64.iosb$r_l_status.iosb$l_getxxi_status #define iosb$l_reg_status iosb$r_io_get.iosb$r_get_64.iosb$r_l_status.iosb$l_reg_status #endif /* #if !defined(__VAXC) */ #endif /* End of IOSBDEF */ #include #include #include #include #include #include #include "vms_term_sock.h" #ifdef __alpha static struct _iosb TerminalDeviceIosb; #else IOSB TerminalDeviceIosb; #endif static char TerminalDeviceBuff[255 + 2]; static int TerminalSocketPair[2] = {0, 0}; static unsigned short TerminalDeviceChan = 0; static int CreateSocketPair (int, int, int, int *); static void SocketPairTimeoutAst (int); static int TerminalDeviceAst (int); static void LogMessage (char *, ...); /* ** Socket Pair Timeout Value (must be 0-59 seconds) */ #define SOCKET_PAIR_TIMEOUT_VALUE 20 /* ** Socket Pair Timeout Block which is passed to timeout AST */ typedef struct _SocketPairTimeoutBlock { unsigned short SockChan1; unsigned short SockChan2; } SPTB; #ifdef TERM_SOCK_TEST /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ int main (int argc, char *argv[], char *envp[]) { char TermBuff[80]; int TermSock, status, len; LogMessage ("Enter 'q' or 'Q' to quit ..."); while (strcasecmp (TermBuff, "Q")) { /* ** Create the terminal socket */ status = TerminalSocket (TERM_SOCK_CREATE, &TermSock); if (status != TERM_SOCK_SUCCESS) exit (1); /* ** Process the terminal input */ LogMessage ("Waiting on terminal I/O ...\n"); len = recv (TermSock, TermBuff, sizeof (TermBuff), 0) ; TermBuff[len] = '\0'; LogMessage ("Received terminal I/O [%s]", TermBuff); /* ** Delete the terminal socket */ status = TerminalSocket (TERM_SOCK_DELETE, &TermSock); if (status != TERM_SOCK_SUCCESS) exit (1); } return 1; } #endif /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ int TerminalSocket (int FunctionCode, int *ReturnSocket) { int status; $DESCRIPTOR (TerminalDeviceDesc, "SYS$COMMAND"); /* ** Process the requested function code */ switch (FunctionCode) { case TERM_SOCK_CREATE: /* ** Create a socket pair */ status = CreateSocketPair (AF_INET, SOCK_STREAM, 0, TerminalSocketPair); if (status == -1) { LogMessage ("TerminalSocket: CreateSocketPair () - %08X", status); if (TerminalSocketPair[0]) close (TerminalSocketPair[0]); if (TerminalSocketPair[1]) close (TerminalSocketPair[1]); return (TERM_SOCK_FAILURE); } /* ** Assign a channel to the terminal device */ status = sys$assign (&TerminalDeviceDesc, &TerminalDeviceChan, 0, 0, 0); if (! (status & 1)) { LogMessage ("TerminalSocket: SYS$ASSIGN () - %08X", status); close (TerminalSocketPair[0]); close (TerminalSocketPair[1]); return (TERM_SOCK_FAILURE); } /* ** Queue an async IO to the terminal device */ status = sys$qio (EFN$C_ENF, TerminalDeviceChan, IO$_READVBLK, &TerminalDeviceIosb, TerminalDeviceAst, 0, TerminalDeviceBuff, sizeof (TerminalDeviceBuff) - 2, 0, 0, 0, 0); if (! (status & 1)) { LogMessage ("TerminalSocket: SYS$QIO () - %08X", status); close (TerminalSocketPair[0]); close (TerminalSocketPair[1]); return (TERM_SOCK_FAILURE); } /* ** Return the input side of the socket pair */ *ReturnSocket = TerminalSocketPair[1]; break; case TERM_SOCK_DELETE: /* ** Cancel any pending IO on the terminal channel */ status = sys$cancel (TerminalDeviceChan); if (! (status & 1)) { LogMessage ("TerminalSocket: SYS$CANCEL () - %08X", status); close (TerminalSocketPair[0]); close (TerminalSocketPair[1]); return (TERM_SOCK_FAILURE); } /* ** Deassign the terminal channel */ status = sys$dassgn (TerminalDeviceChan); if (! (status & 1)) { LogMessage ("TerminalSocket: SYS$DASSGN () - %08X", status); close (TerminalSocketPair[0]); close (TerminalSocketPair[1]); return (TERM_SOCK_FAILURE); } /* ** Close the terminal socket pair */ close (TerminalSocketPair[0]); close (TerminalSocketPair[1]); /* ** Return the initialized socket */ *ReturnSocket = 0; break; default: /* ** Invalid function code */ LogMessage ("TerminalSocket: Invalid Function Code - %d", FunctionCode); return (TERM_SOCK_FAILURE); break; } /* ** Return success */ return (TERM_SOCK_SUCCESS); } /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ static int CreateSocketPair ( int SocketFamily, int SocketType, int SocketProtocol, int *SocketPair) { struct dsc$descriptor AscTimeDesc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, NULL}; static const char* LocalHostAddr = {"127.0.0.1"}; unsigned short TcpAcceptChan = 0, TcpDeviceChan = 0; unsigned long BinTimeBuff[2]; struct sockaddr_in sin; char AscTimeBuff[32]; short LocalHostPort; int status; unsigned int slen; #ifdef __alpha struct _iosb iosb; #else IOSB iosb; #endif int SockDesc1 = 0, SockDesc2 = 0; SPTB sptb; $DESCRIPTOR (TcpDeviceDesc, "TCPIP$DEVICE"); /* ** Create a socket */ SockDesc1 = socket (SocketFamily, SocketType, 0); if (SockDesc1 < 0) { LogMessage ("CreateSocketPair: socket () - %d", errno); return (-1); } /* ** Initialize the socket information */ slen = sizeof (sin); memset ((char *) &sin, 0, slen); sin.sin_family = SocketFamily; sin.sin_addr.s_addr = inet_addr (LocalHostAddr); sin.sin_port = 0; /* ** Bind the socket to the local IP */ status = bind (SockDesc1, (struct sockaddr *) &sin, slen); if (status < 0) { LogMessage ("CreateSocketPair: bind () - %d", errno); close (SockDesc1); return (-1); } /* ** Get the socket name so we can save the port number */ status = getsockname (SockDesc1, (struct sockaddr *) &sin, &slen); if (status < 0) { LogMessage ("CreateSocketPair: getsockname () - %d", errno); close (SockDesc1); return (-1); } else LocalHostPort = sin.sin_port; /* ** Setup a listen for the socket */ listen (SockDesc1, 5); /* ** Get the binary (64-bit) time of the specified timeout value */ sprintf (AscTimeBuff, "0 0:0:%02d.00", SOCKET_PAIR_TIMEOUT_VALUE); AscTimeDesc.dsc$w_length = strlen (AscTimeBuff); AscTimeDesc.dsc$a_pointer = AscTimeBuff; status = sys$bintim (&AscTimeDesc, BinTimeBuff); if (! (status & 1)) { LogMessage ("CreateSocketPair: SYS$BINTIM () - %08X", status); close (SockDesc1); return (-1); } /* ** Assign another channel to the TCP/IP device for the accept. ** This is the channel that ends up being connected to. */ status = sys$assign (&TcpDeviceDesc, &TcpDeviceChan, 0, 0, 0); if (! (status & 1)) { LogMessage ("CreateSocketPair: SYS$ASSIGN () - %08X", status); close (SockDesc1); return (-1); } /* ** Get the channel of the first socket for the accept */ TcpAcceptChan = decc$get_sdc (SockDesc1); /* ** Perform the accept using $QIO so we can do this asynchronously */ status = sys$qio (EFN$C_ENF, TcpAcceptChan, IO$_ACCESS | IO$M_ACCEPT, &iosb, 0, 0, 0, 0, 0, &TcpDeviceChan, 0, 0); if (! (status & 1)) { LogMessage ("CreateSocketPair: SYS$QIO () - %08X", status); close (SockDesc1); sys$dassgn (TcpDeviceChan); return (-1); } /* ** Create the second socket to do the connect */ SockDesc2 = socket (SocketFamily, SocketType, 0); if (SockDesc2 < 0) { LogMessage ("CreateSocketPair: socket () - %d", errno); sys$cancel (TcpAcceptChan); close (SockDesc1); sys$dassgn (TcpDeviceChan); return (-1) ; } /* ** Setup the Socket Pair Timeout Block */ sptb.SockChan1 = TcpAcceptChan; sptb.SockChan2 = decc$get_sdc (SockDesc2); /* ** Before we block on the connect, set a timer that can cancel I/O on our two ** sockets if it never connects. */ status = sys$setimr (EFN$C_ENF, BinTimeBuff, SocketPairTimeoutAst, &sptb, 0); if (! (status & 1)) { LogMessage ("CreateSocketPair: SYS$SETIMR () - %08X", status); sys$cancel (TcpAcceptChan); close (SockDesc1); close (SockDesc2); sys$dassgn (TcpDeviceChan); return (-1); } /* ** Now issue the connect */ memset ((char *) &sin, 0, sizeof (sin)) ; sin.sin_family = SocketFamily; sin.sin_addr.s_addr = inet_addr (LocalHostAddr) ; sin.sin_port = LocalHostPort ; status = connect (SockDesc2, (struct sockaddr *) &sin, sizeof (sin)); if (status < 0 ) { LogMessage ("CreateSocketPair: connect () - %d", errno); sys$cantim (&sptb, 0); sys$cancel (TcpAcceptChan); close (SockDesc1); close (SockDesc2); sys$dassgn (TcpDeviceChan); return (-1); } /* ** Wait for the asynch $QIO to finish. Note that if the I/O was aborted ** (SS$_ABORT), then we probably canceled it from the AST routine - so log a ** timeout. */ status = sys$synch (EFN$C_ENF, &iosb); if (! (iosb.iosb$w_status & 1)) { if (iosb.iosb$w_status == SS$_ABORT) LogMessage ("CreateSocketPair: SYS$QIO(iosb) timeout"); else { LogMessage ("CreateSocketPair: SYS$QIO(iosb) - %d", iosb.iosb$w_status); sys$cantim (&sptb, 0); } close (SockDesc1); close (SockDesc2); sys$dassgn (TcpDeviceChan); return (-1); } /* ** Here we're successfully connected, so cancel the timer, convert the I/O ** channel to a socket fd, close the listener socket and return the connected ** pair. */ sys$cantim (&sptb, 0); close (SockDesc1) ; SocketPair[0] = SockDesc2 ; SocketPair[1] = socket_fd (TcpDeviceChan); return (0) ; } /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ static void SocketPairTimeoutAst (int astparm) { SPTB *sptb = (SPTB *) astparm; sys$cancel (sptb->SockChan2); /* Cancel the connect() */ sys$cancel (sptb->SockChan1); /* Cancel the accept() */ return; } /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ static int TerminalDeviceAst (int astparm) { int status; /* ** Terminate the terminal buffer */ TerminalDeviceBuff[TerminalDeviceIosb.iosb$w_bcnt] = '\0'; strcat (TerminalDeviceBuff, "\n"); /* ** Send the data read from the terminal device throught the socket pair */ send (TerminalSocketPair[0], TerminalDeviceBuff, TerminalDeviceIosb.iosb$w_bcnt + 1, 0); /* ** Queue another async IO to the terminal device */ status = sys$qio (EFN$C_ENF, TerminalDeviceChan, IO$_READVBLK, &TerminalDeviceIosb, TerminalDeviceAst, 0, TerminalDeviceBuff, sizeof (TerminalDeviceBuff) - 1, 0, 0, 0, 0); /* ** Return status */ return status; } /*----------------------------------------------------------------------------*/ /* */ /*----------------------------------------------------------------------------*/ static void LogMessage (char *msg, ...) { char *Month[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; static unsigned int pid = 0; va_list args; time_t CurTime; struct tm *LocTime; char MsgBuff[256]; /* ** Get the process pid */ if (pid == 0) pid = getpid (); /* ** Convert the current time into local time */ CurTime = time (NULL); LocTime = localtime (&CurTime); /* ** Format the message buffer */ sprintf (MsgBuff, "%02d-%s-%04d %02d:%02d:%02d [%08X] %s\n", LocTime->tm_mday, Month[LocTime->tm_mon], (LocTime->tm_year + 1900), LocTime->tm_hour, LocTime->tm_min, LocTime->tm_sec, pid, msg); /* ** Get any variable arguments and add them to the print of the message buffer */ va_start (args, msg); vfprintf (stderr, MsgBuff, args); va_end (args); /* ** Flush standard error output */ fsync (fileno (stderr)); return; } #endif