1 | /*--------------------------------*-C-*---------------------------------* |
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) 2003-2004 Marc Lehmann <pcg@goof.com> |
6 | * Copyright (c) 2003-2006 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. |
… | |
… | |
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 "rxvt.h" |
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25 | #include "rxvtdaemon.h" |
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26 | #include "iom.h" |
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27 | |
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28 | #include <cstdio> |
24 | #include <cstdio> |
29 | #include <cstdlib> |
25 | #include <cstdlib> |
30 | #include <cstdarg> |
26 | #include <cstdarg> |
31 | #include <cstring> |
27 | #include <cstring> |
32 | |
28 | |
… | |
… | |
37 | #include <sys/socket.h> |
33 | #include <sys/socket.h> |
38 | #include <sys/un.h> |
34 | #include <sys/un.h> |
39 | |
35 | |
40 | #include <cerrno> |
36 | #include <cerrno> |
41 | |
37 | |
42 | extern char **environ; |
38 | #include "rxvt.h" |
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39 | #include "rxvtdaemon.h" |
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40 | #include "libptytty.h" |
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41 | #include "iom.h" |
43 | |
42 | |
44 | struct server : rxvt_connection { |
43 | struct server : rxvt_connection { |
45 | log_callback log_cb; |
44 | log_callback log_cb; |
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45 | getfd_callback getfd_cb; |
46 | |
46 | |
47 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
47 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
48 | void log_msg (const char *msg); |
48 | void log_msg (const char *msg); |
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49 | int getfd (int remote_fd); |
49 | |
50 | |
50 | server (int fd) |
51 | server (int fd) |
51 | : read_ev (this, &server::read_cb), |
52 | : read_ev (this, &server::read_cb), |
52 | log_cb (this, &server::log_msg) |
53 | log_cb (this, &server::log_msg), |
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54 | getfd_cb (this, &server::getfd) |
53 | { |
55 | { |
54 | this->fd = fd; |
56 | this->fd = fd; |
55 | read_ev.start (fd, EVENT_READ); |
57 | read_ev.start (fd, EVENT_READ); |
56 | } |
58 | } |
57 | |
59 | |
… | |
… | |
67 | }; |
69 | }; |
68 | |
70 | |
69 | unix_listener::unix_listener (const char *sockname) |
71 | unix_listener::unix_listener (const char *sockname) |
70 | : accept_ev (this, &unix_listener::accept_cb) |
72 | : accept_ev (this, &unix_listener::accept_cb) |
71 | { |
73 | { |
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74 | sockaddr_un sa; |
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75 | |
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76 | if (strlen (sockname) >= sizeof(sa.sun_path)) |
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77 | { |
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78 | fputs ("socket name too long, aborting.\n", stderr); |
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79 | exit (EXIT_FAILURE); |
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80 | } |
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81 | |
72 | if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0) |
82 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
73 | { |
83 | { |
74 | perror ("unable to create listening socket"); |
84 | perror ("unable to create listening socket"); |
75 | exit (EXIT_FAILURE); |
85 | exit (EXIT_FAILURE); |
76 | } |
86 | } |
77 | |
87 | |
78 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
88 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
79 | |
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80 | sockaddr_un sa; |
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81 | |
89 | |
82 | sa.sun_family = AF_UNIX; |
90 | sa.sun_family = AF_UNIX; |
83 | strcpy (sa.sun_path, sockname); |
91 | strcpy (sa.sun_path, sockname); |
84 | |
92 | |
85 | unlink (rxvt_connection::unix_sockname ()); |
93 | unlink (rxvt_connection::unix_sockname ()); |
… | |
… | |
110 | if (fd2 >= 0) |
118 | if (fd2 >= 0) |
111 | { |
119 | { |
112 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
120 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
113 | new server (fd2); |
121 | new server (fd2); |
114 | } |
122 | } |
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123 | } |
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124 | |
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125 | int server::getfd (int remote_fd) |
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126 | { |
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127 | send ("GETFD"); |
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128 | send (remote_fd); |
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129 | return ptytty::recv_fd (fd); |
115 | } |
130 | } |
116 | |
131 | |
117 | void server::log_msg (const char *msg) |
132 | void server::log_msg (const char *msg) |
118 | { |
133 | { |
119 | send ("MSG"), send (msg); |
134 | send ("MSG"), send (msg); |
… | |
… | |
128 | va_list ap; |
143 | va_list ap; |
129 | va_start (ap, format); |
144 | va_start (ap, format); |
130 | vsnprintf (err, 1024, format, ap); |
145 | vsnprintf (err, 1024, format, ap); |
131 | va_end (ap); |
146 | va_end (ap); |
132 | |
147 | |
133 | send ("MSG"), send (err); |
148 | log_msg (err); |
134 | } |
149 | } |
135 | |
150 | |
136 | send ("END", 0); |
151 | send ("END"), send (0); |
137 | close (fd); |
152 | close (fd); |
138 | delete this; |
153 | delete this; |
139 | } |
154 | } |
140 | |
155 | |
141 | void server::read_cb (io_watcher &w, short revents) |
156 | void server::read_cb (io_watcher &w, short revents) |
… | |
… | |
146 | { |
161 | { |
147 | if (!strcmp (tok, "NEW")) |
162 | if (!strcmp (tok, "NEW")) |
148 | { |
163 | { |
149 | stringvec *argv = new stringvec; |
164 | stringvec *argv = new stringvec; |
150 | stringvec *envv = new stringvec; |
165 | stringvec *envv = new stringvec; |
151 | |
166 | |
152 | for (;;) |
167 | for (;;) |
153 | { |
168 | { |
154 | if (!recv (tok)) |
169 | if (!recv (tok)) |
155 | return err (); |
170 | return err (); |
156 | |
171 | |
157 | if (!strcmp (tok, "END")) |
172 | if (!strcmp (tok, "END")) |
158 | break; |
173 | break; |
159 | else if (!strcmp (tok, "ENV") && recv (tok)) |
174 | else if (!strcmp (tok, "ENV") && recv (tok)) |
160 | envv->push_back (tok.get ()); |
175 | envv->push_back (strdup (tok)); |
161 | else if (!strcmp (tok, "CWD") && recv (tok)) |
176 | else if (!strcmp (tok, "CWD") && recv (tok)) |
162 | { |
177 | { |
163 | if (chdir (tok)) |
178 | if (chdir (tok)) |
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179 | { |
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180 | delete envv; |
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181 | delete argv; |
164 | err ("unable to change to working directory to '%s': %s", |
182 | return err ("unable to change to working directory to '%s', aborting: %s.\n", |
165 | (char *)tok, strerror (errno)); |
183 | (char *)tok, strerror (errno)); |
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184 | } |
166 | } |
185 | } |
167 | else if (!strcmp (tok, "ARG") && recv (tok)) |
186 | else if (!strcmp (tok, "ARG") && recv (tok)) |
168 | argv->push_back (tok.get ()); |
187 | argv->push_back (strdup (tok)); |
169 | else |
188 | else |
170 | return err ("protocol error: unexpected NEW token"); |
189 | return err ("protocol error: unexpected NEW token.\n"); |
171 | } |
190 | } |
172 | |
191 | |
173 | envv->push_back (0); |
192 | envv->push_back (0); |
174 | |
193 | |
175 | { |
194 | { |
176 | char **old_environ = environ; |
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177 | environ = envv->begin (); |
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178 | |
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179 | rxvt_term *term = new rxvt_term; |
195 | rxvt_term *term = new rxvt_term; |
180 | |
196 | |
181 | term->log_hook = &log_cb; |
197 | term->log_hook = &log_cb; |
182 | term->argv = argv; |
198 | term->getfd_hook = &getfd_cb; |
183 | term->envv = envv; |
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184 | |
199 | |
185 | bool success; |
200 | bool success; |
186 | |
201 | |
187 | try |
202 | try |
188 | { |
203 | { |
189 | success = term->init (argv->size (), argv->begin ()); |
204 | success = term->init (argv, envv); |
190 | } |
205 | } |
191 | catch (const class rxvt_failure_exception &e) |
206 | catch (const class rxvt_failure_exception &e) |
192 | { |
207 | { |
193 | success = false; |
208 | success = false; |
194 | } |
209 | } |
195 | |
210 | |
196 | term->log_hook = 0; |
211 | term->log_hook = 0; |
197 | |
212 | |
198 | environ = old_environ; |
213 | chdir ("/"); |
199 | |
214 | |
200 | if (!success) |
215 | if (!success) |
201 | term->destroy (); |
216 | term->destroy (); |
202 | |
217 | |
203 | send ("END"); send (success ? 1 : 0); |
218 | send ("END"); send (success ? 1 : 0); |
204 | } |
219 | } |
205 | } |
220 | } |
206 | else |
221 | else |
207 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
222 | return err ("protocol error: request '%s' unsupported.\n", (char *)tok); |
208 | } |
223 | } |
209 | else |
224 | else |
210 | return err (); |
225 | return err (); |
211 | } |
226 | } |
212 | |
227 | |
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228 | int opt_fork, opt_opendisplay, opt_quiet; |
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229 | |
213 | int |
230 | int |
214 | main (int argc, const char *const *argv) |
231 | main (int argc, const char *const *argv) |
215 | { |
232 | { |
216 | rxvt_init (); |
233 | rxvt_init (); |
217 | |
234 | |
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235 | for (int i = 1; i < argc; i++) |
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236 | { |
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237 | if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork")) |
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238 | opt_fork = 1; |
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239 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
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240 | opt_opendisplay = 1; |
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241 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
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242 | opt_quiet = 1; |
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243 | else |
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244 | { |
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245 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
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246 | return EXIT_FAILURE; |
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247 | } |
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248 | } |
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249 | |
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250 | chdir ("/"); |
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251 | |
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252 | if (opt_opendisplay) |
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253 | displays.get (getenv ("DISPLAY")); // open display and never release it |
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254 | |
218 | char *sockname = rxvt_connection::unix_sockname (); |
255 | char *sockname = rxvt_connection::unix_sockname (); |
219 | unix_listener l (sockname); |
256 | unix_listener l (sockname); |
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257 | |
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258 | if (!opt_quiet) |
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259 | { |
220 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
260 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
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261 | fflush (stdout); |
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262 | } |
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263 | |
221 | free (sockname); |
264 | free (sockname); |
222 | |
265 | |
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266 | if (opt_fork) |
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267 | { |
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268 | pid_t pid = fork (); |
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269 | |
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270 | if (pid < 0) |
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271 | { |
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272 | rxvt_log ("unable to fork daemon, aborting.\n"); |
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273 | return EXIT_FAILURE; |
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274 | } |
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275 | else if (pid > 0) |
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276 | _exit (EXIT_SUCCESS); |
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277 | } |
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278 | |
223 | io_manager::loop (); |
279 | io_manager::loop (); |
224 | |
280 | |
225 | return EXIT_SUCCESS; |
281 | return EXIT_SUCCESS; |
226 | } |
282 | } |
227 | |
283 | |