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