--- rxvt-unicode/src/rxvtd.C 2003/11/24 17:28:08 1.1 +++ rxvt-unicode/src/rxvtd.C 2004/04/04 23:52:37 1.12 @@ -1,37 +1,51 @@ -#include "rxvtlib.h" +#include "../config.h" +#include "rxvt.h" #include "rxvtdaemon.h" #include "iom.h" #include #include +#include +#include #include +#include +#include +#include #include #include +#include + +extern char **environ; + struct server : rxvt_connection { + log_callback log_cb; + void read_cb (io_watcher &w, short revents); io_watcher read_ev; + void log_msg (const char *msg); server (int fd) - : read_ev (this, &server::read_cb) + : read_ev (this, &server::read_cb), + log_cb (this, &server::log_msg) { this->fd = fd; read_ev.start (fd, EVENT_READ); } - void err (); + void err (const char *format = 0, ...); }; -struct listener { +struct unix_listener { int fd; void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; - listener (); + unix_listener (const char *sockname); }; -listener::listener () -: accept_ev (this, &listener::accept_cb) +unix_listener::unix_listener (const char *sockname) +: accept_ev (this, &unix_listener::accept_cb) { if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) { @@ -39,19 +53,25 @@ exit (EXIT_FAILURE); } + fcntl (fd, F_SETFD, FD_CLOEXEC); + sockaddr_un sa; sa.sun_family = AF_UNIX; - strcpy (sa.sun_path, rxvt_connection::unix_sockname ()); + strcpy (sa.sun_path, sockname); unlink (rxvt_connection::unix_sockname ()); + mode_t omask = umask (0077); + if (bind (fd, (sockaddr *)&sa, sizeof (sa))) { perror ("unable to bind listening socket"); exit (EXIT_FAILURE); } + umask (omask); + if (listen (fd, 5)) { perror ("unable to listen on socket"); @@ -61,48 +81,130 @@ accept_ev.start (fd, EVENT_READ); } -void listener::accept_cb (io_watcher &w, short revents) +void unix_listener::accept_cb (io_watcher &w, short revents) { int fd2 = accept (fd, 0, 0); if (fd2 >= 0) - new server (fd2); + { + fcntl (fd2, F_SETFD, FD_CLOEXEC); + new server (fd2); + } +} + +void server::log_msg (const char *msg) +{ + send ("MSG"), send (msg); } -void server::err () +void server::err (const char *format, ...) { + if (format) + { + char err[1024]; + + va_list ap; + va_start (ap, format); + vsnprintf (err, 1024, format, ap); + va_end (ap); + + send ("MSG"), send (err); + } + + send ("END", 0); close (fd); delete this; } void server::read_cb (io_watcher &w, short revents) { - token cmd; + auto_str tok; - if (recv (cmd)) + if (recv (tok)) { - if (!strcmp (cmd, "NEW")) + if (!strcmp (tok, "NEW")) { + stringvec *argv = new stringvec; + stringvec *envv = new stringvec; + + for (;;) + { + if (!recv (tok)) + return err (); + + if (!strcmp (tok, "END")) + break; + else if (!strcmp (tok, "ENV") && recv (tok)) + envv->push_back (tok.get ()); + else if (!strcmp (tok, "CWD") && recv (tok)) + { + if (chdir (tok)) + err ("unable to change to working directory to '%s': %s", + (char *)tok, strerror (errno)); + } + else if (!strcmp (tok, "ARG") && recv (tok)) + argv->push_back (tok.get ()); + else + return err ("protocol error: unexpected NEW token"); + } + + envv->push_back (0); + + { + char **old_environ = environ; + environ = envv->begin (); + + rxvt_term *term = new rxvt_term; + + term->log_hook = &log_cb; + term->argv = argv; + term->envv = envv; + + bool success; + + try + { + success = term->init (argv->size (), argv->begin ()); + } + catch (const class rxvt_failure_exception &e) + { + success = false; + } + + environ = old_environ; + + if (!success) + term->destroy (); + + send ("END"); send (success ? 1 : 0); + } } else - err (); + return err ("protocol error: request '%s' unsupported.", (char *)tok); } else - err (); + return err (); } int -main(int argc, const char *const *argv) +main (int argc, const char *const *argv) { - listener l; + rxvt_init_signals (); + + char *sockname = rxvt_connection::unix_sockname (); + unix_listener l (sockname); + printf ("rxvtd listening on %s.\n", sockname); + free (sockname); + iom.loop (); #if 0 - if (rxvt_init(argc, argv) == NULL) + if (rxvt_init (argc, argv) == NULL) return EXIT_FAILURE; dR; - rxvt_main_loop(aR); /* main processing loop */ + rxvt_main_loop (aR); /* main processing loop */ #endif return EXIT_SUCCESS; } +