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) 2003-2007 Marc Lehmann <pcg@goof.com> |
6 | * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de> |
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. |
… | |
… | |
19 | * along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | *----------------------------------------------------------------------*/ |
21 | *----------------------------------------------------------------------*/ |
22 | |
22 | |
23 | #include "../config.h" |
23 | #include "../config.h" |
24 | #include <cstdio> |
24 | #include <stdio.h> |
25 | #include <cstdlib> |
25 | #include <stdlib.h> |
26 | #include <cstdarg> |
26 | #include <stdarg.h> |
27 | #include <cstring> |
27 | #include <string.h> |
28 | |
28 | |
29 | #include <unistd.h> |
29 | #include <unistd.h> |
30 | #include <fcntl.h> |
30 | #include <fcntl.h> |
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 | |
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36 | #if defined(ENABLE_FRILLS) && defined(_POSIX_MEMLOCK) && _POSIX_MEMLOCK > 0 |
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37 | # define ENABLE_MLOCK 1 |
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38 | #endif |
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39 | |
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40 | #if ENABLE_MLOCK |
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41 | # include <sys/mman.h> |
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42 | #endif |
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43 | |
36 | #include <cerrno> |
44 | #include <errno.h> |
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" |
41 | |
49 | |
… | |
… | |
92 | fcntl (fd, F_SETFL, O_NONBLOCK); |
100 | fcntl (fd, F_SETFL, O_NONBLOCK); |
93 | |
101 | |
94 | sa.sun_family = AF_UNIX; |
102 | sa.sun_family = AF_UNIX; |
95 | strcpy (sa.sun_path, sockname); |
103 | strcpy (sa.sun_path, sockname); |
96 | |
104 | |
97 | unlink (rxvt_connection::unix_sockname ()); |
105 | unlink (sockname); |
98 | |
106 | |
99 | mode_t omask = umask (0077); |
107 | mode_t omask = umask (0077); |
100 | |
108 | |
101 | if (bind (fd, (sockaddr *)&sa, sizeof (sa))) |
109 | if (bind (fd, (sockaddr *)&sa, sizeof (sa))) |
102 | { |
110 | { |
… | |
… | |
172 | |
180 | |
173 | if (!strcmp (tok, "END")) |
181 | if (!strcmp (tok, "END")) |
174 | break; |
182 | break; |
175 | else if (!strcmp (tok, "ENV") && recv (tok)) |
183 | else if (!strcmp (tok, "ENV") && recv (tok)) |
176 | envv->push_back (strdup (tok)); |
184 | envv->push_back (strdup (tok)); |
177 | else if (!strcmp (tok, "CWD") && recv (tok)) |
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178 | { |
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179 | if (chdir (tok)) |
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180 | { |
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181 | delete envv; |
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182 | delete argv; |
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183 | return err ("unable to change to working directory to '%s', aborting: %s.\n", |
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184 | (char *)tok, strerror (errno)); |
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185 | } |
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186 | } |
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187 | else if (!strcmp (tok, "ARG") && recv (tok)) |
185 | else if (!strcmp (tok, "ARG") && recv (tok)) |
188 | argv->push_back (strdup (tok)); |
186 | argv->push_back (strdup (tok)); |
189 | else |
187 | else |
190 | return err ("protocol error: unexpected NEW token.\n"); |
188 | return err ("protocol error: unexpected NEW token.\n"); |
191 | } |
189 | } |
192 | |
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193 | envv->push_back (0); |
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194 | |
190 | |
195 | { |
191 | { |
196 | rxvt_term *term = new rxvt_term; |
192 | rxvt_term *term = new rxvt_term; |
197 | |
193 | |
198 | term->log_hook = &log_cb; |
194 | term->log_hook = &log_cb; |
… | |
… | |
209 | success = false; |
205 | success = false; |
210 | } |
206 | } |
211 | |
207 | |
212 | term->log_hook = 0; |
208 | term->log_hook = 0; |
213 | |
209 | |
214 | chdir ("/"); |
210 | chdir ("/"); // init might change to different working directory |
215 | |
211 | |
216 | if (!success) |
212 | if (!success) |
217 | term->destroy (); |
213 | term->destroy (); |
218 | |
214 | |
219 | send ("END"); send (success ? 1 : 0); |
215 | send ("END"); send (success ? 1 : 0); |
… | |
… | |
224 | } |
220 | } |
225 | else |
221 | else |
226 | return err (); |
222 | return err (); |
227 | } |
223 | } |
228 | |
224 | |
229 | int opt_fork, opt_opendisplay, opt_quiet; |
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230 | |
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231 | int |
225 | int |
232 | main (int argc, const char *const *argv) |
226 | main (int argc, char *argv[]) |
233 | { |
227 | { |
234 | rxvt_init (); |
228 | ptytty::init (); |
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229 | |
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230 | static char opt_fork, opt_opendisplay, opt_quiet; |
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231 | #if ENABLE_PERL |
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232 | static char *opt_eval; |
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233 | #endif |
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234 | #if ENABLE_MLOCK |
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235 | static char opt_lock; |
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236 | #endif |
235 | |
237 | |
236 | for (int i = 1; i < argc; i++) |
238 | for (int i = 1; i < argc; i++) |
237 | { |
239 | { |
238 | if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork")) |
240 | if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork")) |
239 | opt_fork = 1; |
241 | opt_fork = 1; |
240 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
242 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
241 | opt_opendisplay = 1; |
243 | opt_opendisplay = 1; |
242 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
244 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
243 | opt_quiet = 1; |
245 | opt_quiet = 1; |
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246 | #if ENABLE_MLOCK |
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247 | else if (!strcmp (argv [i], "-m") || !strcmp (argv [i], "--mlock")) |
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248 | opt_lock = 1; |
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249 | #endif |
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250 | #if ENABLE_PERL |
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251 | else if (!strcmp (argv [i], "-e") || !strcmp (argv [i], "--eval")) |
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252 | opt_eval = argv [++i]; |
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253 | #endif |
244 | else |
254 | else |
245 | { |
255 | { |
246 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
256 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
247 | return EXIT_FAILURE; |
257 | return EXIT_FAILURE; |
248 | } |
258 | } |
249 | } |
259 | } |
250 | |
260 | |
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261 | rxvt_init (); |
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262 | |
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263 | #if ENABLE_PERL |
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264 | if (opt_eval) |
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265 | { |
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266 | rxvt_perl.init (); |
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267 | rxvt_perl.eval (opt_eval); |
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268 | } |
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269 | #endif |
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270 | |
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271 | // optionally open display and never release it. |
251 | if (opt_opendisplay) |
272 | if (opt_opendisplay) |
252 | displays.get (getenv ("DISPLAY")); // open display and never release it |
273 | if (const char *dpy = getenv ("DISPLAY")) |
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274 | displays.get (dpy ? dpy : ":0"); // move string logic into rxvt_display maybe? |
253 | |
275 | |
254 | char *sockname = rxvt_connection::unix_sockname (); |
276 | char *sockname = rxvt_connection::unix_sockname (); |
255 | unix_listener l (sockname); |
277 | unix_listener l (sockname); |
256 | |
278 | |
257 | chdir ("/"); |
279 | chdir ("/"); |
… | |
… | |
262 | fflush (stdout); |
284 | fflush (stdout); |
263 | } |
285 | } |
264 | |
286 | |
265 | free (sockname); |
287 | free (sockname); |
266 | |
288 | |
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289 | pid_t pid = 0; |
267 | if (opt_fork) |
290 | if (opt_fork) |
268 | { |
291 | { |
269 | pid_t pid = fork (); |
292 | pid = fork (); |
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293 | } |
270 | |
294 | |
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295 | #if ENABLE_MLOCK |
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296 | // Optionally perform an mlockall so this process does not get swapped out. |
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297 | if (opt_lock && !pid) |
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298 | if (mlockall (MCL_CURRENT | MCL_FUTURE) < 0) |
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299 | perror ("unable to lock into ram"); |
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300 | #endif |
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301 | |
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302 | if (opt_fork) |
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303 | { |
271 | if (pid < 0) |
304 | if (pid < 0) |
272 | { |
305 | { |
273 | rxvt_log ("unable to fork daemon, aborting.\n"); |
306 | rxvt_log ("unable to fork daemon, aborting.\n"); |
274 | return EXIT_FAILURE; |
307 | return EXIT_FAILURE; |
275 | } |
308 | } |
276 | else if (pid > 0) |
309 | else if (pid > 0) |
277 | _exit (EXIT_SUCCESS); |
310 | _exit (EXIT_SUCCESS); |
278 | |
311 | |
279 | ev_default_fork (); |
312 | ev_loop_fork (EV_DEFAULT_UC); |
280 | } |
313 | } |
281 | |
314 | |
282 | ev_loop (0); |
315 | ev_run (); |
283 | |
316 | |
284 | return EXIT_SUCCESS; |
317 | return EXIT_SUCCESS; |
285 | } |
318 | } |
286 | |
319 | |