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#include "sig.h"
#include "readwrite.h"
#include "exit.h"
#include "env.h"
#include "error.h"
#include "fork.h"
#include "wait.h"
#include "seek.h"
#include "qmail.h"
#include "strerr.h"
#include "substdio.h"
#include "fmt.h"
#define FATAL "condredirect: fatal: "
struct qmail qqt;
int mywrite(fd,buf,len) int fd; char *buf; int len;
{
qmail_put(&qqt,buf,len);
return len;
}
char inbuf[SUBSTDIO_INSIZE];
char outbuf[1];
substdio ssin = SUBSTDIO_FDBUF(read,0,inbuf,sizeof inbuf);
substdio ssout = SUBSTDIO_FDBUF(mywrite,-1,outbuf,sizeof outbuf);
char num[FMT_ULONG];
void main(argc,argv)
int argc;
char **argv;
{
char *sender;
char *dtline;
int pid;
int wstat;
char *qqx;
if (!argv[1] || !argv[2])
strerr_die1x(100,"condredirect: usage: condredirect newaddress program [ arg ... ]");
pid = fork();
if (pid == -1)
strerr_die2sys(111,FATAL,"unable to fork: ");
if (pid == 0) {
execvp(argv[2],argv + 2);
if (error_temp(errno)) _exit(111);
_exit(100);
}
if (wait_pid(&wstat,pid) == -1)
strerr_die2x(111,FATAL,"wait failed");
if (wait_crashed(wstat))
strerr_die2x(111,FATAL,"child crashed");
switch(wait_exitcode(wstat)) {
case 0: break;
case 111: strerr_die2x(111,FATAL,"temporary child error");
default: _exit(0);
}
if (seek_begin(0) == -1)
strerr_die2sys(111,FATAL,"unable to rewind: ");
sig_pipeignore();
sender = env_get("SENDER");
if (!sender) strerr_die2x(100,FATAL,"SENDER not set");
dtline = env_get("DTLINE");
if (!dtline) strerr_die2x(100,FATAL,"DTLINE not set");
if (qmail_open(&qqt) == -1)
strerr_die2sys(111,FATAL,"unable to fork: ");
qmail_puts(&qqt,dtline);
if (substdio_copy(&ssout,&ssin) != 0)
strerr_die2sys(111,FATAL,"unable to read message: ");
substdio_flush(&ssout);
num[fmt_ulong(num,qmail_qp(&qqt))] = 0;
qmail_from(&qqt,sender);
qmail_to(&qqt,argv[1]);
qqx = qmail_close(&qqt);
if (*qqx) strerr_die2x(*qqx == 'D' ? 100 : 111,FATAL,qqx + 1);
strerr_die2x(99,"condredirect: qp ",num);
}
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