On Tue, Nov 16, 1999 at 11:56:26AM -0500, Peter Green wrote:
> On Tue, Nov 16, 1999 at 11:09:08AM -0500, [EMAIL PROTECTED] wrote:
> > Is the newlines patch available at the normal qmail sites? I gotta get me
> > one if it fixes the problem!!!
> A precursory search didn't find it. I've included it below (it's only 27
> lines):
You can also use a pipe between addcr and qmail-smtpd to do this without
patching qmail. This has the disadvantage of not dropping the
connection after a "quit" is sent, so I wrote a tiny C wrapper to run
the two together. Use it as:
tcpserver ... qmail-pipe addcr -- qmail-smtpd
--
Bruce Guenter <[EMAIL PROTECTED]> http://em.ca/~bruceg/
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
int splitargs(argc,argv)
int argc;
char** argv;
{
int i;
for(i = 1; i < argc; i++) {
if(argv[i][0] == '-' &&
argv[i][1] == '-' &&
argv[i][2] == 0) {
argv[i] = 0;
break;
}
}
if(i == 1 || i >= argc-1)
return -1;
return i+1;
}
int writer_pid;
int reader_pid;
int fork_writer(argv,pipefd)
char** argv;
int* pipefd;
{
switch(writer_pid = fork()) {
case -1:
return 1;
case 0:
close(pipefd[0]);
if(dup2(pipefd[1], 1) == -1 || close(pipefd[1]) == -1) exit(1);
execvp(argv[0], argv);
exit(1);
}
return 0;
}
int fork_reader(argv,pipefd)
char** argv;
int* pipefd;
{
switch(reader_pid = fork()) {
case -1:
return 1;
case 0:
close(pipefd[1]);
if(dup2(pipefd[0], 0) == -1 || close(pipefd[0]) == -1) exit(1);
execvp(argv[0], argv);
exit(1);
}
return 0;
}
int main(argc,argv)
int argc;
char** argv;
{
int pid;
int status;
int p[2];
int cmd2 = splitargs(argc, argv);
if(cmd2 < 0) return 1;
if(pipe(p) == -1) return 1;
if(fork_writer(argv+1, p)) return 1;
if(fork_reader(argv+cmd2, p)) {
kill(writer_pid, SIGTERM);
return 1;
}
for(;;) {
pid = wait(&status);
if(pid == writer_pid) {
writer_pid = -1;
kill(reader_pid, SIGTERM);
} else {
reader_pid = -1;
if(writer_pid > 0)
kill(writer_pid, SIGTERM);
return WIFEXITED(status) ? WEXITSTATUS(status) : 1;
}
}
}
