1 | /*----------------------------------------------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: rxvtd.C |
2 | * File: rxvtd.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
6 | * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
11 | * (at your option) any later version. |
11 | * (at your option) any later version. |
… | |
… | |
31 | #include <sys/types.h> |
31 | #include <sys/types.h> |
32 | #include <sys/stat.h> |
32 | #include <sys/stat.h> |
33 | #include <sys/socket.h> |
33 | #include <sys/socket.h> |
34 | #include <sys/un.h> |
34 | #include <sys/un.h> |
35 | |
35 | |
|
|
36 | #if defined(ENABLE_FRILLS) && defined(_POSIX_MEMLOCK) && _POSIX_MEMLOCK > 0 |
|
|
37 | # define ENABLE_MLOCK 1 |
|
|
38 | #endif |
|
|
39 | |
|
|
40 | #if ENABLE_MLOCK |
|
|
41 | # include <sys/mman.h> |
|
|
42 | #endif |
|
|
43 | |
36 | #include <cerrno> |
44 | #include <cerrno> |
37 | |
45 | |
38 | #include "rxvt.h" |
46 | #include "rxvt.h" |
39 | #include "rxvtdaemon.h" |
47 | #include "rxvtdaemon.h" |
40 | #include "libptytty.h" |
48 | #include "libptytty.h" |
… | |
… | |
46 | void read_cb (ev::io &w, int revents); ev::io read_ev; |
54 | void read_cb (ev::io &w, int revents); ev::io read_ev; |
47 | void log_msg (const char *msg); |
55 | void log_msg (const char *msg); |
48 | int getfd (int remote_fd); |
56 | int getfd (int remote_fd); |
49 | |
57 | |
50 | server (int fd) |
58 | server (int fd) |
51 | : read_ev (this, &server::read_cb), |
|
|
52 | log_cb (this, &server::log_msg), |
|
|
53 | getfd_cb (this, &server::getfd) |
|
|
54 | { |
59 | { |
|
|
60 | read_ev.set <server, &server::read_cb> (this); |
|
|
61 | log_cb.set <server, &server::log_msg> (this); |
|
|
62 | getfd_cb.set<server, &server::getfd> (this); |
|
|
63 | |
|
|
64 | this->fd = fd; |
55 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
65 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
56 | fcntl (fd, F_SETFL, 0); |
66 | fcntl (fd, F_SETFL, 0); |
57 | read_ev.start (fd, ev::READ); |
67 | read_ev.start (fd, ev::READ); |
58 | } |
68 | } |
59 | |
69 | |
… | |
… | |
67 | |
77 | |
68 | unix_listener (const char *sockname); |
78 | unix_listener (const char *sockname); |
69 | }; |
79 | }; |
70 | |
80 | |
71 | unix_listener::unix_listener (const char *sockname) |
81 | unix_listener::unix_listener (const char *sockname) |
72 | : accept_ev (this, &unix_listener::accept_cb) |
|
|
73 | { |
82 | { |
|
|
83 | accept_ev.set<unix_listener, &unix_listener::accept_cb> (this); |
|
|
84 | |
74 | sockaddr_un sa; |
85 | sockaddr_un sa; |
75 | |
86 | |
76 | if (strlen (sockname) >= sizeof(sa.sun_path)) |
87 | if (strlen (sockname) >= sizeof(sa.sun_path)) |
77 | { |
88 | { |
78 | fputs ("socket name too long, aborting.\n", stderr); |
89 | fputs ("socket name too long, aborting.\n", stderr); |
… | |
… | |
169 | |
180 | |
170 | if (!strcmp (tok, "END")) |
181 | if (!strcmp (tok, "END")) |
171 | break; |
182 | break; |
172 | else if (!strcmp (tok, "ENV") && recv (tok)) |
183 | else if (!strcmp (tok, "ENV") && recv (tok)) |
173 | envv->push_back (strdup (tok)); |
184 | envv->push_back (strdup (tok)); |
174 | else if (!strcmp (tok, "CWD") && recv (tok)) |
|
|
175 | { |
|
|
176 | if (chdir (tok)) |
|
|
177 | { |
|
|
178 | delete envv; |
|
|
179 | delete argv; |
|
|
180 | return err ("unable to change to working directory to '%s', aborting: %s.\n", |
|
|
181 | (char *)tok, strerror (errno)); |
|
|
182 | } |
|
|
183 | } |
|
|
184 | else if (!strcmp (tok, "ARG") && recv (tok)) |
185 | else if (!strcmp (tok, "ARG") && recv (tok)) |
185 | argv->push_back (strdup (tok)); |
186 | argv->push_back (strdup (tok)); |
186 | else |
187 | else |
187 | return err ("protocol error: unexpected NEW token.\n"); |
188 | return err ("protocol error: unexpected NEW token.\n"); |
188 | } |
189 | } |
… | |
… | |
193 | rxvt_term *term = new rxvt_term; |
194 | rxvt_term *term = new rxvt_term; |
194 | |
195 | |
195 | term->log_hook = &log_cb; |
196 | term->log_hook = &log_cb; |
196 | term->getfd_hook = &getfd_cb; |
197 | term->getfd_hook = &getfd_cb; |
197 | |
198 | |
198 | bool success; |
199 | bool success = true; |
199 | |
200 | |
200 | try |
201 | try |
201 | { |
202 | { |
202 | success = term->init (argv, envv); |
203 | term->init (argv, envv); |
203 | } |
204 | } |
204 | catch (const class rxvt_failure_exception &e) |
205 | catch (const class rxvt_failure_exception &e) |
205 | { |
206 | { |
206 | success = false; |
207 | success = false; |
207 | } |
208 | } |
208 | |
209 | |
209 | term->log_hook = 0; |
210 | term->log_hook = 0; |
210 | |
211 | |
211 | chdir ("/"); |
212 | chdir ("/"); // init might change to different working directory |
212 | |
213 | |
213 | if (!success) |
214 | if (!success) |
214 | term->destroy (); |
215 | term->destroy (); |
215 | |
216 | |
216 | send ("END"); send (success ? 1 : 0); |
217 | send ("END"); send (success ? 1 : 0); |
… | |
… | |
222 | else |
223 | else |
223 | return err (); |
224 | return err (); |
224 | } |
225 | } |
225 | |
226 | |
226 | int opt_fork, opt_opendisplay, opt_quiet; |
227 | int opt_fork, opt_opendisplay, opt_quiet; |
|
|
228 | #if ENABLE_MLOCK |
|
|
229 | int opt_lock; |
|
|
230 | #endif |
227 | |
231 | |
228 | int |
232 | int |
229 | main (int argc, const char *const *argv) |
233 | main (int argc, const char *const *argv) |
230 | { |
234 | { |
231 | rxvt_init (); |
235 | rxvt_init (); |
… | |
… | |
236 | opt_fork = 1; |
240 | opt_fork = 1; |
237 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
241 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
238 | opt_opendisplay = 1; |
242 | opt_opendisplay = 1; |
239 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
243 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
240 | opt_quiet = 1; |
244 | opt_quiet = 1; |
|
|
245 | #if ENABLE_MLOCK |
|
|
246 | else if (!strcmp (argv [i], "-m") || !strcmp (argv [i], "--mlock")) |
|
|
247 | opt_lock = 1; |
|
|
248 | #endif |
241 | else |
249 | else |
242 | { |
250 | { |
243 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
251 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
244 | return EXIT_FAILURE; |
252 | return EXIT_FAILURE; |
245 | } |
253 | } |
246 | } |
254 | } |
247 | |
255 | |
248 | chdir ("/"); |
256 | // optionally open display and never release it. |
249 | |
|
|
250 | if (opt_opendisplay) |
257 | if (opt_opendisplay) |
251 | displays.get (getenv ("DISPLAY")); // open display and never release it |
258 | if (const char *dpy = getenv ("DISPLAY")) |
|
|
259 | displays.get (dpy ? dpy : ":0"); // move string logic into rxvt_display maybe? |
252 | |
260 | |
253 | char *sockname = rxvt_connection::unix_sockname (); |
261 | char *sockname = rxvt_connection::unix_sockname (); |
254 | unix_listener l (sockname); |
262 | unix_listener l (sockname); |
255 | |
263 | |
|
|
264 | chdir ("/"); |
|
|
265 | |
256 | if (!opt_quiet) |
266 | if (!opt_quiet) |
257 | { |
267 | { |
258 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
268 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
259 | fflush (stdout); |
269 | fflush (stdout); |
260 | } |
270 | } |
261 | |
271 | |
262 | free (sockname); |
272 | free (sockname); |
263 | |
273 | |
|
|
274 | pid_t pid = 0; |
264 | if (opt_fork) |
275 | if (opt_fork) |
265 | { |
276 | { |
266 | pid_t pid = fork (); |
277 | pid = fork (); |
|
|
278 | } |
267 | |
279 | |
|
|
280 | #if ENABLE_MLOCK |
|
|
281 | // Optionally preform a mlockall so this process does not get swapped out. |
|
|
282 | if (opt_lock && pid == 0) |
|
|
283 | if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1) |
|
|
284 | perror("unable to lock into ram"); |
|
|
285 | #endif |
|
|
286 | |
|
|
287 | if (opt_fork) |
|
|
288 | { |
268 | if (pid < 0) |
289 | if (pid < 0) |
269 | { |
290 | { |
270 | rxvt_log ("unable to fork daemon, aborting.\n"); |
291 | rxvt_log ("unable to fork daemon, aborting.\n"); |
271 | return EXIT_FAILURE; |
292 | return EXIT_FAILURE; |
272 | } |
293 | } |
273 | else if (pid > 0) |
294 | else if (pid > 0) |
274 | _exit (EXIT_SUCCESS); |
295 | _exit (EXIT_SUCCESS); |
275 | } |
|
|
276 | |
296 | |
|
|
297 | ev_default_fork (); |
|
|
298 | } |
|
|
299 | |
277 | ev::ev_loop (0); |
300 | ev_loop (0); |
278 | |
301 | |
279 | return EXIT_SUCCESS; |
302 | return EXIT_SUCCESS; |
280 | } |
303 | } |
281 | |
304 | |