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1 | /*--------------------------------*-C-*---------------------------------* |
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2 | * File: rxvtd.C |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | *----------------------------------------------------------------------*/ |
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22 | |
1 | #include "../config.h" |
23 | #include "../config.h" |
2 | #include "rxvt.h" |
24 | #include "rxvt.h" |
3 | #include "rxvtdaemon.h" |
25 | #include "rxvtdaemon.h" |
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26 | #include "fdpass.h" |
4 | #include "iom.h" |
27 | #include "iom.h" |
5 | |
28 | |
6 | #include <cstdio> |
29 | #include <cstdio> |
7 | #include <cstdlib> |
30 | #include <cstdlib> |
8 | #include <cstdarg> |
31 | #include <cstdarg> |
9 | #include <cstring> |
32 | #include <cstring> |
10 | |
33 | |
11 | #include <unistd.h> |
34 | #include <unistd.h> |
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35 | #include <fcntl.h> |
12 | #include <sys/types.h> |
36 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
37 | #include <sys/stat.h> |
14 | #include <sys/socket.h> |
38 | #include <sys/socket.h> |
15 | #include <sys/un.h> |
39 | #include <sys/un.h> |
16 | |
40 | |
17 | #include <cerrno> |
41 | #include <cerrno> |
18 | |
42 | |
19 | extern char **environ; |
43 | extern char **environ; |
20 | |
44 | |
21 | struct server : rxvt_connection { |
45 | struct server : rxvt_connection { |
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46 | log_callback log_cb; |
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47 | getfd_callback getfd_cb; |
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48 | |
22 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
49 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
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50 | void log_msg (const char *msg); |
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51 | int getfd (int remote_fd); |
23 | |
52 | |
24 | server (int fd) |
53 | server (int fd) |
25 | : read_ev (this, &server::read_cb) |
54 | : read_ev (this, &server::read_cb), |
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55 | log_cb (this, &server::log_msg), |
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56 | getfd_cb (this, &server::getfd) |
26 | { |
57 | { |
27 | this->fd = fd; |
58 | this->fd = fd; |
28 | read_ev.start (fd, EVENT_READ); |
59 | read_ev.start (fd, EVENT_READ); |
29 | } |
60 | } |
30 | |
61 | |
… | |
… | |
40 | }; |
71 | }; |
41 | |
72 | |
42 | unix_listener::unix_listener (const char *sockname) |
73 | unix_listener::unix_listener (const char *sockname) |
43 | : accept_ev (this, &unix_listener::accept_cb) |
74 | : accept_ev (this, &unix_listener::accept_cb) |
44 | { |
75 | { |
45 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
76 | if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0) |
46 | { |
77 | { |
47 | perror ("unable to create listening socket"); |
78 | perror ("unable to create listening socket"); |
48 | exit (EXIT_FAILURE); |
79 | exit (EXIT_FAILURE); |
49 | } |
80 | } |
50 | |
81 | |
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82 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
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83 | |
51 | sockaddr_un sa; |
84 | sockaddr_un sa; |
52 | |
85 | |
53 | sa.sun_family = AF_UNIX; |
86 | sa.sun_family = AF_UNIX; |
54 | strcpy (sa.sun_path, sockname); |
87 | strcpy (sa.sun_path, sockname); |
55 | |
88 | |
… | |
… | |
77 | void unix_listener::accept_cb (io_watcher &w, short revents) |
110 | void unix_listener::accept_cb (io_watcher &w, short revents) |
78 | { |
111 | { |
79 | int fd2 = accept (fd, 0, 0); |
112 | int fd2 = accept (fd, 0, 0); |
80 | |
113 | |
81 | if (fd2 >= 0) |
114 | if (fd2 >= 0) |
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115 | { |
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116 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
82 | new server (fd2); |
117 | new server (fd2); |
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118 | } |
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119 | } |
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120 | |
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121 | int server::getfd (int remote_fd) |
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122 | { |
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123 | #if ENABLE_FRILLS && HAVE_UNIX_FDPASS |
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124 | send ("GETFD"); |
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125 | send (remote_fd); |
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126 | return rxvt_recv_fd (fd); |
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127 | #else |
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128 | return -1; |
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129 | #endif |
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130 | } |
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131 | |
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132 | void server::log_msg (const char *msg) |
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133 | { |
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134 | send ("MSG"), send (msg); |
83 | } |
135 | } |
84 | |
136 | |
85 | void server::err (const char *format, ...) |
137 | void server::err (const char *format, ...) |
86 | { |
138 | { |
87 | if (format) |
139 | if (format) |
… | |
… | |
91 | va_list ap; |
143 | va_list ap; |
92 | va_start (ap, format); |
144 | va_start (ap, format); |
93 | vsnprintf (err, 1024, format, ap); |
145 | vsnprintf (err, 1024, format, ap); |
94 | va_end (ap); |
146 | va_end (ap); |
95 | |
147 | |
96 | send ("ERR"), send (err); |
148 | send ("MSG"), send (err); |
97 | } |
149 | } |
98 | |
150 | |
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151 | send ("END", 0); |
99 | close (fd); |
152 | close (fd); |
100 | delete this; |
153 | delete this; |
101 | } |
154 | } |
102 | |
155 | |
103 | void server::read_cb (io_watcher &w, short revents) |
156 | void server::read_cb (io_watcher &w, short revents) |
… | |
… | |
136 | |
189 | |
137 | { |
190 | { |
138 | char **old_environ = environ; |
191 | char **old_environ = environ; |
139 | environ = envv->begin (); |
192 | environ = envv->begin (); |
140 | |
193 | |
141 | rxvt_term *term = rxvt_init (argv->size (), argv->begin ()); |
194 | rxvt_term *term = new rxvt_term; |
142 | |
195 | |
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196 | term->log_hook = &log_cb; |
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197 | term->getfd_hook = &getfd_cb; |
143 | term->argv = argv; |
198 | term->argv = argv; |
144 | term->envv = envv; |
199 | term->envv = envv; |
145 | |
200 | |
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201 | bool success; |
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202 | |
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203 | try |
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204 | { |
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205 | success = term->init (argv->size (), argv->begin ()); |
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206 | } |
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207 | catch (const class rxvt_failure_exception &e) |
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208 | { |
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209 | success = false; |
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210 | } |
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211 | |
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212 | term->log_hook = 0; |
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213 | |
146 | environ = old_environ; |
214 | environ = old_environ; |
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215 | chdir ("/"); |
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216 | |
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217 | if (!success) |
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218 | term->destroy (); |
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219 | |
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220 | send ("END"); send (success ? 1 : 0); |
147 | } |
221 | } |
148 | } |
222 | } |
149 | else |
223 | else |
150 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
224 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
151 | } |
225 | } |
152 | else |
226 | else |
153 | return err (); |
227 | return err (); |
154 | } |
228 | } |
155 | |
229 | |
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230 | int opt_fork, opt_opendisplay, opt_quiet; |
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231 | |
156 | int |
232 | int |
157 | main (int argc, const char *const *argv) |
233 | main (int argc, const char *const *argv) |
158 | { |
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 | |
159 | rxvt_init_signals (); |
250 | rxvt_init (); |
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251 | |
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252 | chdir ("/"); |
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253 | |
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254 | if (opt_opendisplay) |
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255 | displays.get (getenv ("DISPLAY")); // open display and never release it |
160 | |
256 | |
161 | char *sockname = rxvt_connection::unix_sockname (); |
257 | char *sockname = rxvt_connection::unix_sockname (); |
162 | unix_listener l (sockname); |
258 | unix_listener l (sockname); |
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259 | |
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260 | if (!opt_quiet) |
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261 | { |
163 | printf ("rxvtd listening on %s.\n", sockname); |
262 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
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263 | fflush (stdout); |
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264 | } |
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265 | |
164 | free (sockname); |
266 | free (sockname); |
165 | |
267 | |
166 | iom.loop (); |
268 | if (opt_fork) |
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269 | { |
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270 | pid_t pid = fork (); |
167 | |
271 | |
168 | #if 0 |
272 | if (pid < 0) |
169 | if (rxvt_init (argc, argv) == NULL) |
273 | { |
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274 | rxvt_log ("unable to fork daemon, aborting.\n"); |
170 | return EXIT_FAILURE; |
275 | return EXIT_FAILURE; |
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276 | } |
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277 | else if (pid > 0) |
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278 | _exit (EXIT_SUCCESS); |
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279 | } |
171 | |
280 | |
172 | dR; |
281 | io_manager::loop (); |
173 | rxvt_main_loop (aR); /* main processing loop */ |
282 | |
174 | #endif |
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175 | return EXIT_SUCCESS; |
283 | return EXIT_SUCCESS; |
176 | } |
284 | } |
177 | |
285 | |