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#include <unistd.h>
#include "buffer.h"
#include "env.h"
#include "exit.h"
#include "fmt.h"
#include "logmsg.h"
#include "seek.h"
#include "sig.h"
#include "wait.h"
#include "qmail.h"
#define WHO "condredirect"
struct qmail qqt;
static ssize_t mywrite(int fd, char *buf, int len)
{
qmail_put(&qqt, buf, len);
return len;
}
char inbuf[BUFFER_INSIZE];
buffer bi = BUFFER_INIT(read, 0, inbuf, sizeof(inbuf));
char outbuf[1];
buffer bo = BUFFER_INIT(mywrite, -1, outbuf, sizeof(outbuf));
char num[FMT_ULONG];
int main(int argc, char **argv)
{
char *sender;
char *dtline;
int pid;
int wstat;
char *qqx;
if (!argv[1] || !argv[2]) logmsg(WHO, 100, USAGE, "condredirect newaddress program [ arg ... ]");
pid = fork();
if (pid == -1) logmsg(WHO, 111, FATAL, "unable to fork: ");
if (pid == 0) {
execvp(argv[2], argv + 2);
if (errno) _exit(111);
_exit(100);
}
if (wait_pid(&wstat, pid) == -1) logmsg(WHO, 111, FATAL, "wait failed");
if (wait_crashed(wstat)) logmsg(WHO, 111, FATAL, "child crashed");
switch (wait_exitcode(wstat)) {
case 0: break;
case 111: logmsg(WHO, 111, FATAL, "temporary child error");
default: _exit(0);
}
if (seek_begin(0) == -1) logmsg(WHO, 111, FATAL, "unable to rewind: ");
sig_pipeignore();
sender = env_get("SENDER");
if (!sender) logmsg(WHO, 100, ERROR, "SENDER not set");
dtline = env_get("DTLINE");
if (!dtline) logmsg(WHO, 100, ERROR, "DTLINE not set");
if (qmail_open(&qqt) == -1) logmsg(WHO, 111, FATAL, "unable to fork: ");
qmail_puts(&qqt, dtline);
if (buffer_copy(&bo, &bi) != 0) logmsg(WHO, 111, FATAL, "unable to read message: ");
buffer_flush(&bo);
num[fmt_ulong(num, qmail_qp(&qqt))] = 0;
qmail_from(&qqt, sender);
qmail_to(&qqt, argv[1]);
qqx = qmail_close(&qqt);
if (*qqx) logmsg(WHO, *qqx == 'D' ? 100 : 111, FATAL, qqx + 1);
logmsg(WHO, 0, LOG, B("qp ", num));
}
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