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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" |
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3 | #include "rxvtdaemon.h" |
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4 | #include "iom.h" |
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5 | |
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6 | #include <cstdio> |
24 | #include <cstdio> |
7 | #include <cstdlib> |
25 | #include <cstdlib> |
8 | #include <cstdarg> |
26 | #include <cstdarg> |
9 | #include <cstring> |
27 | #include <cstring> |
10 | |
28 | |
11 | #include <unistd.h> |
29 | #include <unistd.h> |
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30 | #include <fcntl.h> |
12 | #include <sys/types.h> |
31 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
32 | #include <sys/stat.h> |
14 | #include <sys/socket.h> |
33 | #include <sys/socket.h> |
15 | #include <sys/un.h> |
34 | #include <sys/un.h> |
16 | |
35 | |
17 | #include <cerrno> |
36 | #include <cerrno> |
18 | |
37 | |
19 | 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" |
20 | |
42 | |
21 | 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 | |
22 | 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); |
23 | |
50 | |
24 | server (int fd) |
51 | server (int fd) |
25 | : 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) |
26 | { |
55 | { |
27 | this->fd = fd; |
56 | this->fd = fd; |
28 | read_ev.start (fd, EVENT_READ); |
57 | read_ev.start (fd, EVENT_READ); |
29 | } |
58 | } |
30 | |
59 | |
… | |
… | |
40 | }; |
69 | }; |
41 | |
70 | |
42 | unix_listener::unix_listener (const char *sockname) |
71 | unix_listener::unix_listener (const char *sockname) |
43 | : accept_ev (this, &unix_listener::accept_cb) |
72 | : accept_ev (this, &unix_listener::accept_cb) |
44 | { |
73 | { |
45 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
74 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
46 | { |
75 | { |
47 | perror ("unable to create listening socket"); |
76 | perror ("unable to create listening socket"); |
48 | exit (EXIT_FAILURE); |
77 | exit (EXIT_FAILURE); |
49 | } |
78 | } |
50 | |
79 | |
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80 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
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81 | |
51 | sockaddr_un sa; |
82 | sockaddr_un sa; |
52 | |
83 | |
53 | sa.sun_family = AF_UNIX; |
84 | sa.sun_family = AF_UNIX; |
54 | strcpy (sa.sun_path, sockname); |
85 | strcpy (sa.sun_path, sockname); |
55 | |
86 | |
… | |
… | |
77 | void unix_listener::accept_cb (io_watcher &w, short revents) |
108 | void unix_listener::accept_cb (io_watcher &w, short revents) |
78 | { |
109 | { |
79 | int fd2 = accept (fd, 0, 0); |
110 | int fd2 = accept (fd, 0, 0); |
80 | |
111 | |
81 | if (fd2 >= 0) |
112 | if (fd2 >= 0) |
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113 | { |
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114 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
82 | new server (fd2); |
115 | new server (fd2); |
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116 | } |
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117 | } |
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118 | |
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119 | int server::getfd (int remote_fd) |
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120 | { |
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121 | send ("GETFD"); |
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122 | send (remote_fd); |
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123 | return ptytty::recv_fd (fd); |
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124 | } |
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125 | |
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126 | void server::log_msg (const char *msg) |
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127 | { |
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128 | send ("MSG"), send (msg); |
83 | } |
129 | } |
84 | |
130 | |
85 | void server::err (const char *format, ...) |
131 | void server::err (const char *format, ...) |
86 | { |
132 | { |
87 | if (format) |
133 | if (format) |
… | |
… | |
91 | va_list ap; |
137 | va_list ap; |
92 | va_start (ap, format); |
138 | va_start (ap, format); |
93 | vsnprintf (err, 1024, format, ap); |
139 | vsnprintf (err, 1024, format, ap); |
94 | va_end (ap); |
140 | va_end (ap); |
95 | |
141 | |
96 | send ("ERR"), send (err); |
142 | send ("MSG"), send (err); |
97 | } |
143 | } |
98 | |
144 | |
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145 | send ("END", 0); |
99 | close (fd); |
146 | close (fd); |
100 | delete this; |
147 | delete this; |
101 | } |
148 | } |
102 | |
149 | |
103 | void server::read_cb (io_watcher &w, short revents) |
150 | void server::read_cb (io_watcher &w, short revents) |
… | |
… | |
117 | return err (); |
164 | return err (); |
118 | |
165 | |
119 | if (!strcmp (tok, "END")) |
166 | if (!strcmp (tok, "END")) |
120 | break; |
167 | break; |
121 | else if (!strcmp (tok, "ENV") && recv (tok)) |
168 | else if (!strcmp (tok, "ENV") && recv (tok)) |
122 | envv->push_back (tok.get ()); |
169 | envv->push_back (strdup (tok)); |
123 | else if (!strcmp (tok, "CWD") && recv (tok)) |
170 | else if (!strcmp (tok, "CWD") && recv (tok)) |
124 | { |
171 | { |
125 | if (chdir (tok)) |
172 | if (chdir (tok)) |
126 | err ("unable to change to working directory to '%s': %s", |
173 | err ("unable to change to working directory to '%s': %s", |
127 | (char *)tok, strerror (errno)); |
174 | (char *)tok, strerror (errno)); |
128 | } |
175 | } |
129 | else if (!strcmp (tok, "ARG") && recv (tok)) |
176 | else if (!strcmp (tok, "ARG") && recv (tok)) |
130 | argv->push_back (tok.get ()); |
177 | argv->push_back (strdup (tok)); |
131 | else |
178 | else |
132 | return err ("protocol error: unexpected NEW token"); |
179 | return err ("protocol error: unexpected NEW token"); |
133 | } |
180 | } |
134 | |
181 | |
135 | envv->push_back (0); |
182 | envv->push_back (0); |
136 | |
183 | |
137 | { |
184 | { |
138 | char **old_environ = environ; |
185 | rxvt_term *term = new rxvt_term; |
139 | environ = envv->begin (); |
186 | |
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187 | term->log_hook = &log_cb; |
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188 | term->getfd_hook = &getfd_cb; |
140 | |
189 | |
141 | rxvt_term *term = rxvt_init (argv->size (), argv->begin ()); |
190 | bool success; |
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191 | |
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192 | try |
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193 | { |
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194 | success = term->init (argv, envv); |
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195 | } |
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196 | catch (const class rxvt_failure_exception &e) |
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197 | { |
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198 | success = false; |
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199 | } |
142 | |
200 | |
143 | term->argv = argv; |
201 | term->log_hook = 0; |
144 | term->envv = envv; |
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145 | |
202 | |
146 | environ = old_environ; |
203 | chdir ("/"); |
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204 | |
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205 | if (!success) |
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206 | term->destroy (); |
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207 | |
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208 | send ("END"); send (success ? 1 : 0); |
147 | } |
209 | } |
148 | } |
210 | } |
149 | else |
211 | else |
150 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
212 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
151 | } |
213 | } |
152 | else |
214 | else |
153 | return err (); |
215 | return err (); |
154 | } |
216 | } |
155 | |
217 | |
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218 | int opt_fork, opt_opendisplay, opt_quiet; |
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219 | |
156 | int |
220 | int |
157 | main (int argc, const char *const *argv) |
221 | main (int argc, const char *const *argv) |
158 | { |
222 | { |
159 | rxvt_init_signals (); |
223 | rxvt_init (); |
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224 | |
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225 | for (int i = 1; i < argc; i++) |
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226 | { |
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227 | if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork")) |
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228 | opt_fork = 1; |
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229 | else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay")) |
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230 | opt_opendisplay = 1; |
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231 | else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet")) |
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232 | opt_quiet = 1; |
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233 | else |
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234 | { |
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235 | rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); |
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236 | return EXIT_FAILURE; |
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237 | } |
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238 | } |
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239 | |
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240 | chdir ("/"); |
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241 | |
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242 | if (opt_opendisplay) |
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243 | displays.get (getenv ("DISPLAY")); // open display and never release it |
160 | |
244 | |
161 | char *sockname = rxvt_connection::unix_sockname (); |
245 | char *sockname = rxvt_connection::unix_sockname (); |
162 | unix_listener l (sockname); |
246 | unix_listener l (sockname); |
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247 | |
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248 | if (!opt_quiet) |
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249 | { |
163 | printf ("rxvtd listening on %s.\n", sockname); |
250 | printf ("rxvt-unicode daemon listening on %s.\n", sockname); |
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251 | fflush (stdout); |
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252 | } |
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253 | |
164 | free (sockname); |
254 | free (sockname); |
165 | |
255 | |
166 | iom.loop (); |
256 | if (opt_fork) |
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257 | { |
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258 | pid_t pid = fork (); |
167 | |
259 | |
168 | #if 0 |
260 | if (pid < 0) |
169 | if (rxvt_init (argc, argv) == NULL) |
261 | { |
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262 | rxvt_log ("unable to fork daemon, aborting.\n"); |
170 | return EXIT_FAILURE; |
263 | return EXIT_FAILURE; |
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264 | } |
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265 | else if (pid > 0) |
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266 | _exit (EXIT_SUCCESS); |
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267 | } |
171 | |
268 | |
172 | dR; |
269 | io_manager::loop (); |
173 | rxvt_main_loop (aR); /* main processing loop */ |
270 | |
174 | #endif |
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175 | return EXIT_SUCCESS; |
271 | return EXIT_SUCCESS; |
176 | } |
272 | } |
177 | |
273 | |