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/* ISC license. */
#include <unistd.h>
#include <skalibs/strerr.h>
#include <skalibs/djbunix.h>
#include "s6tls-internal.h"
#define MAXENVSIZE 4096
void s6tls_sync_and_exec_app (char const *const *argv, int const *p, pid_t pid, uint32_t options)
{
char buf[MAXENVSIZE] ;
ssize_t r ;
close(p[5]) ;
close(p[3]) ;
close(p[0]) ;
if (fd_move(p[6], p[2]) == -1 || fd_move(p[7], p[1]) == -1)
strerr_diefu1sys(111, "move file descriptors") ;
r = read(p[4], buf, MAXENVSIZE) ;
if (r < 0) strerr_diefu1sys(111, "read from handshake notification pipe") ;
if (!r)
{
int wstat ;
if (wait_pid(pid, &wstat) < 0)
strerr_diefu1sys(111, "waitpid") ;
_exit(wait_estatus(wstat)) ;
}
if (r >= MAXENVSIZE) strerr_dief1x(101, "SSL data too large; recompile with a bigger MAXENVSIZE") ;
close(p[4]) ;
s6tls_clean_and_exec(argv, options, buf, r-1) ;
}
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