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" |
43 | |
41 | |
44 | struct server : rxvt_connection { |
42 | struct server : rxvt_connection { |
45 | log_callback log_cb; |
43 | log_callback log_cb; |
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|
44 | getfd_callback getfd_cb; |
46 | |
45 | |
47 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
46 | void read_cb (ev::io &w, int revents); ev::io read_ev; |
48 | void log_msg (const char *msg); |
47 | void log_msg (const char *msg); |
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|
48 | int getfd (int remote_fd); |
49 | |
49 | |
50 | server (int fd) |
50 | server (int fd) |
51 | : read_ev (this, &server::read_cb), |
51 | : read_ev (this, &server::read_cb), |
52 | log_cb (this, &server::log_msg) |
52 | log_cb (this, &server::log_msg), |
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53 | getfd_cb (this, &server::getfd) |
53 | { |
54 | { |
54 | this->fd = fd; |
55 | this->fd = fd; |
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56 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
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57 | fcntl (fd, F_SETFL, 0); |
55 | read_ev.start (fd, EVENT_READ); |
58 | read_ev.start (fd, ev::READ); |
56 | } |
59 | } |
57 | |
60 | |
58 | void err (const char *format = 0, ...); |
61 | void err (const char *format = 0, ...); |
59 | }; |
62 | }; |
60 | |
63 | |
61 | struct unix_listener { |
64 | struct unix_listener { |
62 | int fd; |
65 | int fd; |
63 | |
66 | |
64 | void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; |
67 | void accept_cb (ev::io &w, int revents); ev::io accept_ev; |
65 | |
68 | |
66 | unix_listener (const char *sockname); |
69 | unix_listener (const char *sockname); |
67 | }; |
70 | }; |
68 | |
71 | |
69 | unix_listener::unix_listener (const char *sockname) |
72 | unix_listener::unix_listener (const char *sockname) |
70 | : accept_ev (this, &unix_listener::accept_cb) |
73 | : accept_ev (this, &unix_listener::accept_cb) |
71 | { |
74 | { |
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75 | sockaddr_un sa; |
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76 | |
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77 | if (strlen (sockname) >= sizeof(sa.sun_path)) |
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78 | { |
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79 | fputs ("socket name too long, aborting.\n", stderr); |
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80 | exit (EXIT_FAILURE); |
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81 | } |
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82 | |
72 | if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0) |
83 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
73 | { |
84 | { |
74 | perror ("unable to create listening socket"); |
85 | perror ("unable to create listening socket"); |
75 | exit (EXIT_FAILURE); |
86 | exit (EXIT_FAILURE); |
76 | } |
87 | } |
77 | |
88 | |
78 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
89 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
79 | |
90 | fcntl (fd, F_SETFL, O_NONBLOCK); |
80 | sockaddr_un sa; |
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81 | |
91 | |
82 | sa.sun_family = AF_UNIX; |
92 | sa.sun_family = AF_UNIX; |
83 | strcpy (sa.sun_path, sockname); |
93 | strcpy (sa.sun_path, sockname); |
84 | |
94 | |
85 | unlink (rxvt_connection::unix_sockname ()); |
95 | unlink (rxvt_connection::unix_sockname ()); |
… | |
… | |
98 | { |
108 | { |
99 | perror ("unable to listen on socket"); |
109 | perror ("unable to listen on socket"); |
100 | exit (EXIT_FAILURE); |
110 | exit (EXIT_FAILURE); |
101 | } |
111 | } |
102 | |
112 | |
103 | accept_ev.start (fd, EVENT_READ); |
113 | accept_ev.start (fd, ev::READ); |
104 | } |
114 | } |
105 | |
115 | |
106 | void unix_listener::accept_cb (io_watcher &w, short revents) |
116 | void unix_listener::accept_cb (ev::io &w, int revents) |
107 | { |
117 | { |
108 | int fd2 = accept (fd, 0, 0); |
118 | int fd2 = accept (fd, 0, 0); |
109 | |
119 | |
110 | if (fd2 >= 0) |
120 | if (fd2 >= 0) |
111 | { |
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112 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
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113 | new server (fd2); |
121 | new server (fd2); |
114 | } |
122 | } |
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123 | |
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124 | int server::getfd (int remote_fd) |
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125 | { |
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126 | send ("GETFD"); |
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127 | send (remote_fd); |
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128 | return ptytty::recv_fd (fd); |
115 | } |
129 | } |
116 | |
130 | |
117 | void server::log_msg (const char *msg) |
131 | void server::log_msg (const char *msg) |
118 | { |
132 | { |
119 | send ("MSG"), send (msg); |
133 | send ("MSG"), send (msg); |
… | |
… | |
128 | va_list ap; |
142 | va_list ap; |
129 | va_start (ap, format); |
143 | va_start (ap, format); |
130 | vsnprintf (err, 1024, format, ap); |
144 | vsnprintf (err, 1024, format, ap); |
131 | va_end (ap); |
145 | va_end (ap); |
132 | |
146 | |
133 | send ("MSG"), send (err); |
147 | log_msg (err); |
134 | } |
148 | } |
135 | |
149 | |
136 | send ("END", 0); |
150 | send ("END"), send (0); |
137 | close (fd); |
151 | close (fd); |
138 | delete this; |
152 | delete this; |
139 | } |
153 | } |
140 | |
154 | |
141 | void server::read_cb (io_watcher &w, short revents) |
155 | void server::read_cb (ev::io &w, int revents) |
142 | { |
156 | { |
143 | auto_str tok; |
157 | auto_str tok; |
144 | |
158 | |
145 | if (recv (tok)) |
159 | if (recv (tok)) |
146 | { |
160 | { |
147 | if (!strcmp (tok, "NEW")) |
161 | if (!strcmp (tok, "NEW")) |
148 | { |
162 | { |
149 | stringvec *argv = new stringvec; |
163 | stringvec *argv = new stringvec; |
150 | stringvec *envv = new stringvec; |
164 | stringvec *envv = new stringvec; |
151 | |
165 | |
152 | for (;;) |
166 | for (;;) |
153 | { |
167 | { |
154 | if (!recv (tok)) |
168 | if (!recv (tok)) |
155 | return err (); |
169 | return err (); |
156 | |
170 | |
157 | if (!strcmp (tok, "END")) |
171 | if (!strcmp (tok, "END")) |
158 | break; |
172 | break; |
159 | else if (!strcmp (tok, "ENV") && recv (tok)) |
173 | else if (!strcmp (tok, "ENV") && recv (tok)) |
160 | envv->push_back (tok.get ()); |
174 | envv->push_back (strdup (tok)); |
161 | else if (!strcmp (tok, "CWD") && recv (tok)) |
175 | else if (!strcmp (tok, "CWD") && recv (tok)) |
162 | { |
176 | { |
163 | if (chdir (tok)) |
177 | if (chdir (tok)) |
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178 | { |
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179 | delete envv; |
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180 | delete argv; |
164 | err ("unable to change to working directory to '%s': %s", |
181 | return err ("unable to change to working directory to '%s', aborting: %s.\n", |
165 | (char *)tok, strerror (errno)); |
182 | (char *)tok, strerror (errno)); |
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183 | } |
166 | } |
184 | } |
167 | else if (!strcmp (tok, "ARG") && recv (tok)) |
185 | else if (!strcmp (tok, "ARG") && recv (tok)) |
168 | argv->push_back (tok.get ()); |
186 | argv->push_back (strdup (tok)); |
169 | else |
187 | else |
170 | return err ("protocol error: unexpected NEW token"); |
188 | return err ("protocol error: unexpected NEW token.\n"); |
171 | } |
189 | } |
172 | |
190 | |
173 | envv->push_back (0); |
191 | envv->push_back (0); |
174 | |
192 | |
175 | { |
193 | { |
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; |
194 | rxvt_term *term = new rxvt_term; |
180 | |
195 | |
181 | term->log_hook = &log_cb; |
196 | term->log_hook = &log_cb; |
182 | term->argv = argv; |
197 | term->getfd_hook = &getfd_cb; |
183 | term->envv = envv; |
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184 | |
198 | |
185 | bool success; |
199 | bool success; |
186 | |
200 | |
187 | try |
201 | try |
188 | { |
202 | { |
189 | success = term->init (argv->size (), argv->begin ()); |
203 | success = term->init (argv, envv); |
190 | } |
204 | } |
191 | catch (const class rxvt_failure_exception &e) |
205 | catch (const class rxvt_failure_exception &e) |
192 | { |
206 | { |
193 | success = false; |
207 | success = false; |
194 | } |
208 | } |
195 | |
209 | |
196 | term->log_hook = 0; |
210 | term->log_hook = 0; |
197 | |
211 | |
198 | environ = old_environ; |
212 | chdir ("/"); |
199 | |
213 | |
200 | if (!success) |
214 | if (!success) |
201 | term->destroy (); |
215 | term->destroy (); |
202 | |
216 | |
203 | send ("END"); send (success ? 1 : 0); |
217 | send ("END"); send (success ? 1 : 0); |
204 | } |
218 | } |
205 | } |
219 | } |
206 | else |
220 | else |
207 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
221 | return err ("protocol error: request '%s' unsupported.\n", (char *)tok); |
208 | } |
222 | } |
209 | else |
223 | else |
210 | return err (); |
224 | return err (); |
211 | } |
225 | } |
212 | |
226 | |
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227 | int opt_fork, opt_opendisplay, opt_quiet; |
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228 | |
213 | int |
229 | int |
214 | main (int argc, const char *const *argv) |
230 | main (int argc, const char *const *argv) |
215 | { |
231 | { |
216 | rxvt_init (); |
232 | rxvt_init (); |
217 | |
233 | |
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234 | for (int i = 1; i < argc; i++) |
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235 | { |
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236 | if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork")) |
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237 | opt_fork = 1; |
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238 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
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239 | opt_opendisplay = 1; |
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240 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
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241 | opt_quiet = 1; |
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242 | else |
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243 | { |
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244 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
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245 | return EXIT_FAILURE; |
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246 | } |
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247 | } |
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248 | |
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249 | chdir ("/"); |
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250 | |
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251 | if (opt_opendisplay) |
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252 | displays.get (getenv ("DISPLAY")); // open display and never release it |
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253 | |
218 | char *sockname = rxvt_connection::unix_sockname (); |
254 | char *sockname = rxvt_connection::unix_sockname (); |
219 | unix_listener l (sockname); |
255 | unix_listener l (sockname); |
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256 | |
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257 | if (!opt_quiet) |
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258 | { |
220 | printf ("rxvtd listening on %s.\n", sockname); |
259 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
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260 | fflush (stdout); |
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261 | } |
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262 | |
221 | free (sockname); |
263 | free (sockname); |
222 | |
264 | |
223 | iom.loop (); |
265 | if (opt_fork) |
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266 | { |
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267 | pid_t pid = fork (); |
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268 | |
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269 | if (pid < 0) |
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270 | { |
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271 | rxvt_log ("unable to fork daemon, aborting.\n"); |
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272 | return EXIT_FAILURE; |
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273 | } |
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274 | else if (pid > 0) |
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275 | _exit (EXIT_SUCCESS); |
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276 | |
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277 | ev_default_fork (); |
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278 | } |
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279 | |
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280 | ev_loop (0); |
224 | |
281 | |
225 | return EXIT_SUCCESS; |
282 | return EXIT_SUCCESS; |
226 | } |
283 | } |
227 | |
284 | |