1 | #include "rxvtlib.h" |
1 | /*----------------------------------------------------------------------* |
2 | #include "rxvtdaemon.h" |
2 | * File: rxvtd.C |
3 | #include "iom.h" |
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) 2003-2006 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 | *----------------------------------------------------------------------*/ |
4 | |
22 | |
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23 | #include "../config.h" |
5 | #include <cstdio> |
24 | #include <cstdio> |
6 | #include <cstdlib> |
25 | #include <cstdlib> |
7 | #include <cstdarg> |
26 | #include <cstdarg> |
8 | #include <cstring> |
27 | #include <cstring> |
9 | |
28 | |
10 | #include <unistd.h> |
29 | #include <unistd.h> |
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30 | #include <fcntl.h> |
11 | #include <sys/types.h> |
31 | #include <sys/types.h> |
12 | #include <sys/stat.h> |
32 | #include <sys/stat.h> |
13 | #include <sys/socket.h> |
33 | #include <sys/socket.h> |
14 | #include <sys/un.h> |
34 | #include <sys/un.h> |
15 | |
35 | |
16 | #include <cerrno> |
36 | #include <cerrno> |
17 | |
37 | |
18 | 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" |
19 | |
42 | |
20 | struct server : rxvt_connection { |
43 | struct server : rxvt_connection { |
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44 | log_callback log_cb; |
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45 | getfd_callback getfd_cb; |
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46 | |
21 | 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; |
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48 | void log_msg (const char *msg); |
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49 | int getfd (int remote_fd); |
22 | |
50 | |
23 | server (int fd) |
51 | server (int fd) |
24 | : read_ev (this, &server::read_cb) |
52 | : read_ev (this, &server::read_cb), |
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53 | log_cb (this, &server::log_msg), |
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54 | getfd_cb (this, &server::getfd) |
25 | { |
55 | { |
26 | this->fd = fd; |
56 | this->fd = fd; |
27 | read_ev.start (fd, EVENT_READ); |
57 | read_ev.start (fd, EVENT_READ); |
28 | } |
58 | } |
29 | |
59 | |
… | |
… | |
39 | }; |
69 | }; |
40 | |
70 | |
41 | unix_listener::unix_listener (const char *sockname) |
71 | unix_listener::unix_listener (const char *sockname) |
42 | : accept_ev (this, &unix_listener::accept_cb) |
72 | : accept_ev (this, &unix_listener::accept_cb) |
43 | { |
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 | |
44 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
82 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
45 | { |
83 | { |
46 | perror ("unable to create listening socket"); |
84 | perror ("unable to create listening socket"); |
47 | exit (EXIT_FAILURE); |
85 | exit (EXIT_FAILURE); |
48 | } |
86 | } |
49 | |
87 | |
50 | sockaddr_un sa; |
88 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
51 | |
89 | |
52 | sa.sun_family = AF_UNIX; |
90 | sa.sun_family = AF_UNIX; |
53 | strcpy (sa.sun_path, sockname); |
91 | strcpy (sa.sun_path, sockname); |
54 | |
92 | |
55 | unlink (rxvt_connection::unix_sockname ()); |
93 | unlink (rxvt_connection::unix_sockname ()); |
… | |
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76 | void unix_listener::accept_cb (io_watcher &w, short revents) |
114 | void unix_listener::accept_cb (io_watcher &w, short revents) |
77 | { |
115 | { |
78 | int fd2 = accept (fd, 0, 0); |
116 | int fd2 = accept (fd, 0, 0); |
79 | |
117 | |
80 | if (fd2 >= 0) |
118 | if (fd2 >= 0) |
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119 | { |
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120 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
81 | new server (fd2); |
121 | new server (fd2); |
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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); |
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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); |
82 | } |
135 | } |
83 | |
136 | |
84 | void server::err (const char *format, ...) |
137 | void server::err (const char *format, ...) |
85 | { |
138 | { |
86 | if (format) |
139 | if (format) |
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90 | va_list ap; |
143 | va_list ap; |
91 | va_start (ap, format); |
144 | va_start (ap, format); |
92 | vsnprintf (err, 1024, format, ap); |
145 | vsnprintf (err, 1024, format, ap); |
93 | va_end (ap); |
146 | va_end (ap); |
94 | |
147 | |
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148 | log_msg (err); |
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149 | } |
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150 | |
95 | send ("ERR"), send (err); |
151 | send ("END"), send (0); |
96 | } |
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97 | |
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98 | close (fd); |
152 | close (fd); |
99 | delete this; |
153 | delete this; |
100 | } |
154 | } |
101 | |
155 | |
102 | void server::read_cb (io_watcher &w, short revents) |
156 | void server::read_cb (io_watcher &w, short revents) |
… | |
… | |
105 | |
159 | |
106 | if (recv (tok)) |
160 | if (recv (tok)) |
107 | { |
161 | { |
108 | if (!strcmp (tok, "NEW")) |
162 | if (!strcmp (tok, "NEW")) |
109 | { |
163 | { |
110 | stringvec argv; |
164 | stringvec *argv = new stringvec; |
111 | stringvec envv; |
165 | stringvec *envv = new stringvec; |
112 | |
166 | |
113 | for (;;) |
167 | for (;;) |
114 | { |
168 | { |
115 | if (!recv (tok)) |
169 | if (!recv (tok)) |
116 | return err (); |
170 | return err (); |
117 | |
171 | |
118 | if (!strcmp (tok, "END")) |
172 | if (!strcmp (tok, "END")) |
119 | break; |
173 | break; |
120 | else if (!strcmp (tok, "ENV") && recv (tok)) |
174 | else if (!strcmp (tok, "ENV") && recv (tok)) |
121 | envv.push_back (tok.get ()); |
175 | envv->push_back (strdup (tok)); |
122 | else if (!strcmp (tok, "CWD") && recv (tok)) |
176 | else if (!strcmp (tok, "CWD") && recv (tok)) |
123 | { |
177 | { |
124 | 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; |
125 | err ("unable to change to working directory to '%s': %s", |
182 | return err ("unable to change to working directory to '%s', aborting: %s.\n", |
126 | (char *)tok, strerror (errno)); |
183 | (char *)tok, strerror (errno)); |
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184 | } |
127 | } |
185 | } |
128 | else if (!strcmp (tok, "ARG") && recv (tok)) |
186 | else if (!strcmp (tok, "ARG") && recv (tok)) |
129 | argv.push_back (tok.get ()); |
187 | argv->push_back (strdup (tok)); |
130 | else |
188 | else |
131 | return err ("protocol error: unexpected NEW token"); |
189 | return err ("protocol error: unexpected NEW token.\n"); |
132 | } |
190 | } |
133 | |
191 | |
134 | envv.push_back (0); |
192 | envv->push_back (0); |
135 | |
193 | |
136 | { |
194 | { |
137 | char **old_environ = environ; |
195 | rxvt_term *term = new rxvt_term; |
138 | environ = envv.begin (); |
196 | |
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197 | term->log_hook = &log_cb; |
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198 | term->getfd_hook = &getfd_cb; |
139 | |
199 | |
140 | rxvt_init (argv.size (), argv.begin ()); |
200 | bool success; |
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201 | |
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202 | try |
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203 | { |
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204 | success = term->init (argv, envv); |
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205 | } |
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206 | catch (const class rxvt_failure_exception &e) |
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207 | { |
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208 | success = false; |
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209 | } |
141 | |
210 | |
142 | environ = old_environ; |
211 | term->log_hook = 0; |
143 | envv.clear (); // can't yet save the env 'cause rxvt modifies it :( |
212 | |
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213 | chdir ("/"); |
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214 | |
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215 | if (!success) |
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216 | term->destroy (); |
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217 | |
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218 | send ("END"); send (success ? 1 : 0); |
144 | } |
219 | } |
145 | } |
220 | } |
146 | else |
221 | else |
147 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
222 | return err ("protocol error: request '%s' unsupported.\n", (char *)tok); |
148 | } |
223 | } |
149 | else |
224 | else |
150 | return err (); |
225 | return err (); |
151 | } |
226 | } |
152 | |
227 | |
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228 | int opt_fork, opt_opendisplay, opt_quiet; |
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229 | |
153 | int |
230 | int |
154 | main(int argc, const char *const *argv) |
231 | main (int argc, const char *const *argv) |
155 | { |
232 | { |
156 | rxvt_init_signals (); |
233 | rxvt_init (); |
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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 |
157 | |
254 | |
158 | char *sockname = rxvt_connection::unix_sockname (); |
255 | char *sockname = rxvt_connection::unix_sockname (); |
159 | 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 | { |
160 | printf ("rxvtd 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 | |
161 | free (sockname); |
264 | free (sockname); |
162 | |
265 | |
163 | iom.loop (); |
266 | if (opt_fork) |
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267 | { |
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268 | pid_t pid = fork (); |
164 | |
269 | |
165 | #if 0 |
270 | if (pid < 0) |
166 | if (rxvt_init(argc, argv) == NULL) |
271 | { |
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272 | rxvt_log ("unable to fork daemon, aborting.\n"); |
167 | return EXIT_FAILURE; |
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 | } |
168 | |
278 | |
169 | dR; |
279 | io_manager::loop (); |
170 | rxvt_main_loop(aR); /* main processing loop */ |
280 | |
171 | #endif |
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172 | return EXIT_SUCCESS; |
281 | return EXIT_SUCCESS; |
173 | } |
282 | } |
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283 | |