mars-nwe/opt/sendm.c

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2011-11-13 00:38:57 +01:00
/* sendm.c 23-Oct-96 */
/*
* simple demo for a sendmail acces under DOS
* DOS <-> UNX command handling using PIPE filesystem.
* can be used with unxsendm for UNX.
*
* Can also be used under Linux for ncpfs <-> mars_nwe.
* but do not use it directly (the opencall will destroy unxsendm)!!
*
* QUICK + DIRTY !!!
*/
#define ENV_UNXCOMM "UNXSENDM"
#ifdef LINUX
# include <unistd.h>
# include <string.h>
2011-11-13 00:38:57 +01:00
# define DEFAULT_COMM "/pipes/unxsendm"
# else
# define DEFAULT_COMM "p:/unxsendm"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#ifndef LINUX
# include <io.h>
#endif
#include <fcntl.h>
int main(int argc, char **argv)
{
char *unxcomm=getenv(ENV_UNXCOMM);
int fdout;
int fdin;
int is_pipe=isatty(0) ? 0 :1;
if (NULL == unxcomm)
unxcomm=DEFAULT_COMM;
fdout = open(unxcomm, O_RDWR);
fdin = dup(fdout);
if (fdout > -1 && fdin > -1) {
char **pp=argv+1;
unsigned char b=32;
int size;
char buf[1024];
while(--argc >0) {
write(fdout, *pp, strlen(*pp));
++pp;
write(fdout, &b, 1);
}
b=0;
write(fdout, &b, 1);
close(fdout);
fdout=dup(fdin);
if (6 == (size = read(fdin, buf, 6)) && !memcmp(buf, "+++++\n", 6)) {
/* now write stdin -> sendmail */
if (is_pipe) {
while (0 < (size = fread(buf, 1, sizeof(buf), stdin)))
write(fdout, buf, size);
}
} else if (size > 0)
write(1, buf, size); /* probably errormessage */
close(fdout);
/* now we print errors */
while (0 < (size = read(fdin, buf, sizeof(buf)))) {
write(1, buf, size);
}
close(fdin);
return(0);
} else
fprintf(stderr, "Cannot open PIPECOMMAND '%s'\n", unxcomm);
return(1);
}