int CListener::InputNotify (void) { struct sockaddr_in *peer =_peer_array; socklen_t peerSize; int ret; peerSize = sizeof (struct sockaddr_in); while (true) { ret = proc_accept (peer, &peerSize); if (_newfd_cnt <= 0) { log_error ("invoke proc_accept failed, new fd count = %d", _newfd_cnt); return POLLER_SUCC; } if (_newfd_cnt > 0) { proc_request (peer); } if (ret < 0) { return POLLER_SUCC; } } }
void proc_run(struct privsep *ps, struct privsep_proc *p, struct privsep_proc *procs, unsigned int nproc, void (*run)(struct privsep *, struct privsep_proc *, void *), void *arg) { struct passwd *pw; const char *root; struct control_sock *rcs; log_procinit(p->p_title); /* Set the process group of the current process */ setpgid(0, 0); if (p->p_id == PROC_CONTROL && ps->ps_instance == 0) { if (control_init(ps, &ps->ps_csock) == -1) fatalx("%s: control_init", __func__); TAILQ_FOREACH(rcs, &ps->ps_rcsocks, cs_entry) if (control_init(ps, rcs) == -1) fatalx("%s: control_init", __func__); } /* Use non-standard user */ if (p->p_pw != NULL) pw = p->p_pw; else pw = ps->ps_pw; /* Change root directory */ if (p->p_chroot != NULL) root = p->p_chroot; else root = pw->pw_dir; if (chroot(root) == -1) fatal("%s: chroot", __func__); if (chdir("/") == -1) fatal("%s: chdir(\"/\")", __func__); privsep_process = p->p_id; setproctitle("%s", p->p_title); if (setgroups(1, &pw->pw_gid) || setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) || setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid)) fatal("%s: cannot drop privileges", __func__); event_init(); signal_set(&ps->ps_evsigint, SIGINT, proc_sig_handler, p); signal_set(&ps->ps_evsigterm, SIGTERM, proc_sig_handler, p); signal_set(&ps->ps_evsigchld, SIGCHLD, proc_sig_handler, p); signal_set(&ps->ps_evsighup, SIGHUP, proc_sig_handler, p); signal_set(&ps->ps_evsigpipe, SIGPIPE, proc_sig_handler, p); signal_set(&ps->ps_evsigusr1, SIGUSR1, proc_sig_handler, p); signal_add(&ps->ps_evsigint, NULL); signal_add(&ps->ps_evsigterm, NULL); signal_add(&ps->ps_evsigchld, NULL); signal_add(&ps->ps_evsighup, NULL); signal_add(&ps->ps_evsigpipe, NULL); signal_add(&ps->ps_evsigusr1, NULL); proc_setup(ps, procs, nproc); proc_accept(ps, PROC_PARENT_SOCK_FILENO, PROC_PARENT, 0); if (p->p_id == PROC_CONTROL && ps->ps_instance == 0) { TAILQ_INIT(&ctl_conns); if (control_listen(&ps->ps_csock) == -1) fatalx("%s: control_listen", __func__); TAILQ_FOREACH(rcs, &ps->ps_rcsocks, cs_entry) if (control_listen(rcs) == -1) fatalx("%s: control_listen", __func__); }