89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This file is part of mars_nwe.
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*
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* Copyright (C) 1993-2000 Martin Stover, Marburg, Germany
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* Copyright (C) 2026 Mario Fetka
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 only.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/* sendm.c 23-Oct-96 */
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/*
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* simple demo for a sendmail acces under DOS
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* DOS <-> UNX command handling using PIPE filesystem.
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* can be used with unxsendm for UNX.
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*
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* Can also be used under Linux for ncpfs <-> mars_nwe.
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* but do not use it directly (the opencall will destroy unxsendm)!!
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*
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* QUICK + DIRTY !!!
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*/
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#define ENV_UNXCOMM "UNXSENDM"
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#ifdef LINUX
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# include <unistd.h>
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# include <string.h>
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# define DEFAULT_COMM "/pipes/unxsendm"
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# else
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# define DEFAULT_COMM "p:/unxsendm"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#ifndef LINUX
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# include <io.h>
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#endif
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#include <fcntl.h>
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int main(int argc, char **argv)
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{
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char *unxcomm=getenv(ENV_UNXCOMM);
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int fdout;
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int fdin;
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int is_pipe=isatty(0) ? 0 :1;
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if (NULL == unxcomm)
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unxcomm=DEFAULT_COMM;
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fdout = open(unxcomm, O_RDWR);
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fdin = dup(fdout);
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if (fdout > -1 && fdin > -1) {
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char **pp=argv+1;
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unsigned char b=32;
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int size;
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char buf[1024];
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while(--argc >0) {
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if (write(fdout, *pp, strlen(*pp))) {}
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++pp;
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if (write(fdout, &b, 1)) {}
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}
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b=0;
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if (write(fdout, &b, 1)) {}
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close(fdout);
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fdout=dup(fdin);
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if (6 == (size = read(fdin, buf, 6)) && !memcmp(buf, "+++++\n", 6)) {
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/* now write stdin -> sendmail */
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if (is_pipe) {
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while (0 < (size = fread(buf, 1, sizeof(buf), stdin)))
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if (write(fdout, buf, size)) {}
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}
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} else if (size > 0)
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if (write(1, buf, size)) {} /* probably errormessage */
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close(fdout);
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/* now we print errors */
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while (0 < (size = read(fdin, buf, sizeof(buf)))) {
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if (write(1, buf, size)) {}
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}
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close(fdin);
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return(0);
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} else
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fprintf(stderr, "Cannot open PIPECOMMAND '%s'\n", unxcomm);
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return(1);
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}
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