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Comparing rxvt-unicode/src/rxvtd.C (file contents):
Revision 1.5 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.40 by root, Tue Dec 4 14:50:43 2007 UTC

1#include "rxvtlib.h" 1/*----------------------------------------------------------------------*
2#include "rxvtdaemon.h" 2 * File: rxvtd.C
3#include "iom.h" 3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 *
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
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/
4 22
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>
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
18extern char **environ; 38#include "rxvt.h"
39#include "rxvtdaemon.h"
40#include "libptytty.h"
19 41
20struct server : rxvt_connection { 42struct server : rxvt_connection {
43 log_callback log_cb;
44 getfd_callback getfd_cb;
45
21 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;
47 void log_msg (const char *msg);
48 int getfd (int remote_fd);
22 49
23 server (int fd) 50 server (int fd)
24 : read_ev (this, &server::read_cb) 51 : read_ev (this, &server::read_cb)
25 { 52 {
53 callback_set (log_cb , this, server, log_msg);
54 callback_set (getfd_cb, this, server, getfd);
26 this->fd = fd; 55 this->fd = fd;
56 fcntl (fd, F_SETFD, FD_CLOEXEC);
57 fcntl (fd, F_SETFL, 0);
27 read_ev.start (fd, EVENT_READ); 58 read_ev.start (fd, ev::READ);
28 } 59 }
29 60
30 void err (const char *format = 0, ...); 61 void err (const char *format = 0, ...);
31}; 62};
32 63
33struct unix_listener { 64struct unix_listener {
34 int fd; 65 int fd;
35 66
36 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;
37 68
38 unix_listener (const char *sockname); 69 unix_listener (const char *sockname);
39}; 70};
40 71
41unix_listener::unix_listener (const char *sockname) 72unix_listener::unix_listener (const char *sockname)
42: accept_ev (this, &unix_listener::accept_cb) 73: accept_ev (this, &unix_listener::accept_cb)
43{ 74{
75 sockaddr_un sa;
76
77 if (strlen (sockname) >= sizeof(sa.sun_path))
78 {
79 fputs ("socket name too long, aborting.\n", stderr);
80 exit (EXIT_FAILURE);
81 }
82
44 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 83 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
45 { 84 {
46 perror ("unable to create listening socket"); 85 perror ("unable to create listening socket");
47 exit (EXIT_FAILURE); 86 exit (EXIT_FAILURE);
48 } 87 }
49 88
50 sockaddr_un sa; 89 fcntl (fd, F_SETFD, FD_CLOEXEC);
90 fcntl (fd, F_SETFL, O_NONBLOCK);
51 91
52 sa.sun_family = AF_UNIX; 92 sa.sun_family = AF_UNIX;
53 strcpy (sa.sun_path, sockname); 93 strcpy (sa.sun_path, sockname);
54 94
55 unlink (rxvt_connection::unix_sockname ()); 95 unlink (rxvt_connection::unix_sockname ());
… …
68 { 108 {
69 perror ("unable to listen on socket"); 109 perror ("unable to listen on socket");
70 exit (EXIT_FAILURE); 110 exit (EXIT_FAILURE);
71 } 111 }
72 112
73 accept_ev.start (fd, EVENT_READ); 113 accept_ev.start (fd, ev::READ);
74} 114}
75 115
76void unix_listener::accept_cb (io_watcher &w, short revents) 116void unix_listener::accept_cb (ev::io &w, int revents)
77{ 117{
78 int fd2 = accept (fd, 0, 0); 118 int fd2 = accept (fd, 0, 0);
79 119
80 if (fd2 >= 0) 120 if (fd2 >= 0)
81 new server (fd2); 121 new server (fd2);
122}
123
124int server::getfd (int remote_fd)
125{
126 send ("GETFD");
127 send (remote_fd);
128 return ptytty::recv_fd (fd);
129}
130
131void server::log_msg (const char *msg)
132{
133 send ("MSG"), send (msg);
82} 134}
83 135
84void server::err (const char *format, ...) 136void server::err (const char *format, ...)
85{ 137{
86 if (format) 138 if (format)
… …
90 va_list ap; 142 va_list ap;
91 va_start (ap, format); 143 va_start (ap, format);
92 vsnprintf (err, 1024, format, ap); 144 vsnprintf (err, 1024, format, ap);
93 va_end (ap); 145 va_end (ap);
94 146
147 log_msg (err);
148 }
149
95 send ("ERR"), send (err); 150 send ("END"), send (0);
96 }
97
98 close (fd); 151 close (fd);
99 delete this; 152 delete this;
100} 153}
101 154
102void server::read_cb (io_watcher &w, short revents) 155void server::read_cb (ev::io &w, int revents)
103{ 156{
104 auto_str tok; 157 auto_str tok;
105 158
106 if (recv (tok)) 159 if (recv (tok))
107 { 160 {
108 if (!strcmp (tok, "NEW")) 161 if (!strcmp (tok, "NEW"))
109 { 162 {
110 stringvec argv; 163 stringvec *argv = new stringvec;
111 stringvec envv; 164 stringvec *envv = new stringvec;
112 165
113 for (;;) 166 for (;;)
114 { 167 {
115 if (!recv (tok)) 168 if (!recv (tok))
116 return err (); 169 return err ();
117 170
118 if (!strcmp (tok, "END")) 171 if (!strcmp (tok, "END"))
119 break; 172 break;
120 else if (!strcmp (tok, "ENV") && recv (tok)) 173 else if (!strcmp (tok, "ENV") && recv (tok))
121 envv.push_back (tok.get ()); 174 envv->push_back (strdup (tok));
122 else if (!strcmp (tok, "CWD") && recv (tok)) 175 else if (!strcmp (tok, "CWD") && recv (tok))
123 { 176 {
124 if (chdir (tok)) 177 if (chdir (tok))
178 {
179 delete envv;
180 delete argv;
125 err ("unable to change to working directory to '%s': %s", 181 return err ("unable to change to working directory to '%s', aborting: %s.\n",
126 (char *)tok, strerror (errno)); 182 (char *)tok, strerror (errno));
183 }
127 } 184 }
128 else if (!strcmp (tok, "ARG") && recv (tok)) 185 else if (!strcmp (tok, "ARG") && recv (tok))
129 argv.push_back (tok.get ()); 186 argv->push_back (strdup (tok));
130 else 187 else
131 return err ("protocol error: unexpected NEW token"); 188 return err ("protocol error: unexpected NEW token.\n");
132 } 189 }
133 190
134 envv.push_back (0); 191 envv->push_back (0);
135 192
136 { 193 {
137 char **old_environ = environ; 194 rxvt_term *term = new rxvt_term;
138 environ = envv.begin ();
139 195
140 rxvt_init (argv.size (), argv.begin ()); 196 term->log_hook = &log_cb;
197 term->getfd_hook = &getfd_cb;
141 198
142 environ = old_environ; 199 bool success;
143 envv.clear (); // can't yet save the env 'cause rxvt modifies it :( 200
201 try
202 {
203 success = term->init (argv, envv);
204 }
205 catch (const class rxvt_failure_exception &e)
206 {
207 success = false;
208 }
209
210 term->log_hook = 0;
211
212 chdir ("/");
213
214 if (!success)
215 term->destroy ();
216
217 send ("END"); send (success ? 1 : 0);
144 } 218 }
145 } 219 }
146 else 220 else
147 return err ("protocol error: request '%s' unsupported.", (char *)tok); 221 return err ("protocol error: request '%s' unsupported.\n", (char *)tok);
148 } 222 }
149 else 223 else
150 return err (); 224 return err ();
151} 225}
152 226
227int opt_fork, opt_opendisplay, opt_quiet;
228
153int 229int
154main(int argc, const char *const *argv) 230main (int argc, const char *const *argv)
155{ 231{
156 {
157 sigset_t ss;
158
159 sigaddset (&ss, SIGHUP);
160 sigaddset (&ss, SIGPIPE);
161 sigprocmask (SIG_BLOCK, &ss, 0);
162 }
163
164 rxvt_init_signals (); 232 rxvt_init ();
233
234 for (int i = 1; i < argc; i++)
235 {
236 if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork"))
237 opt_fork = 1;
238 else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay"))
239 opt_opendisplay = 1;
240 else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet"))
241 opt_quiet = 1;
242 else
243 {
244 rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]);
245 return EXIT_FAILURE;
246 }
247 }
248
249 chdir ("/");
250
251 if (opt_opendisplay)
252 displays.get (getenv ("DISPLAY")); // open display and never release it
165 253
166 char *sockname = rxvt_connection::unix_sockname (); 254 char *sockname = rxvt_connection::unix_sockname ();
167 unix_listener l (sockname); 255 unix_listener l (sockname);
256
257 if (!opt_quiet)
258 {
168 printf ("rxvtd listening on %s.\n", sockname); 259 printf ("rxvt-unicode daemon listening on %s.\n", sockname);
260 fflush (stdout);
261 }
262
169 free (sockname); 263 free (sockname);
170 264
171 iom.loop (); 265 if (opt_fork)
266 {
267 pid_t pid = fork ();
172 268
173#if 0 269 if (pid < 0)
174 if (rxvt_init(argc, argv) == NULL) 270 {
271 rxvt_log ("unable to fork daemon, aborting.\n");
175 return EXIT_FAILURE; 272 return EXIT_FAILURE;
273 }
274 else if (pid > 0)
275 _exit (EXIT_SUCCESS);
176 276
177 dR; 277 ev_default_fork ();
178 rxvt_main_loop(aR); /* main processing loop */ 278 }
179#endif 279
280 ev_loop (0);
281
180 return EXIT_SUCCESS; 282 return EXIT_SUCCESS;
181} 283}
284

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