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Comparing rxvt-unicode/src/rxvtd.C (file contents):
Revision 1.9 by pcg, Fri Feb 13 13:28:17 2004 UTC vs.
Revision 1.30 by root, Wed Aug 9 22:01:07 2006 UTC

1/*----------------------------------------------------------------------*
2 * File: rxvtd.C
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 *----------------------------------------------------------------------*/
22
1#include "../config.h" 23#include "../config.h"
2#include "rxvt.h"
3#include "rxvtdaemon.h"
4#include "iom.h"
5
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>
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
19extern char **environ; 38#include "rxvt.h"
39#include "rxvtdaemon.h"
40#include "libptytty.h"
41#include "iom.h"
20 42
21struct server : rxvt_connection { 43struct server : rxvt_connection {
44 log_callback log_cb;
45 getfd_callback getfd_cb;
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;
48 void log_msg (const char *msg);
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),
53 log_cb (this, &server::log_msg),
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
42unix_listener::unix_listener (const char *sockname) 71unix_listener::unix_listener (const char *sockname)
43: accept_ev (this, &unix_listener::accept_cb) 72: accept_ev (this, &unix_listener::accept_cb)
44{ 73{
74 sockaddr_un sa;
75
76 if (strlen(sockname) >= sizeof(sa.sun_path))
77 rxvt_fatal ("socket name too long, aborting.\n");
78
45 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 79 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
46 { 80 {
47 perror ("unable to create listening socket"); 81 perror ("unable to create listening socket");
48 exit (EXIT_FAILURE); 82 exit (EXIT_FAILURE);
49 } 83 }
50 84
51 sockaddr_un sa; 85 fcntl (fd, F_SETFD, FD_CLOEXEC);
52 86
53 sa.sun_family = AF_UNIX; 87 sa.sun_family = AF_UNIX;
54 strcpy (sa.sun_path, sockname); 88 strcpy (sa.sun_path, sockname);
55 89
56 unlink (rxvt_connection::unix_sockname ()); 90 unlink (rxvt_connection::unix_sockname ());
… …
77void unix_listener::accept_cb (io_watcher &w, short revents) 111void unix_listener::accept_cb (io_watcher &w, short revents)
78{ 112{
79 int fd2 = accept (fd, 0, 0); 113 int fd2 = accept (fd, 0, 0);
80 114
81 if (fd2 >= 0) 115 if (fd2 >= 0)
116 {
117 fcntl (fd2, F_SETFD, FD_CLOEXEC);
82 new server (fd2); 118 new server (fd2);
119 }
120}
121
122int server::getfd (int remote_fd)
123{
124 send ("GETFD");
125 send (remote_fd);
126 return ptytty::recv_fd (fd);
127}
128
129void server::log_msg (const char *msg)
130{
131 send ("MSG"), send (msg);
83} 132}
84 133
85void server::err (const char *format, ...) 134void server::err (const char *format, ...)
86{ 135{
87 if (format) 136 if (format)
… …
91 va_list ap; 140 va_list ap;
92 va_start (ap, format); 141 va_start (ap, format);
93 vsnprintf (err, 1024, format, ap); 142 vsnprintf (err, 1024, format, ap);
94 va_end (ap); 143 va_end (ap);
95 144
96 send ("ERR"), send (err); 145 send ("MSG"), send (err);
97 } 146 }
98 147
148 send ("END", 0);
99 close (fd); 149 close (fd);
100 delete this; 150 delete this;
101} 151}
102 152
103void server::read_cb (io_watcher &w, short revents) 153void server::read_cb (io_watcher &w, short revents)
… …
117 return err (); 167 return err ();
118 168
119 if (!strcmp (tok, "END")) 169 if (!strcmp (tok, "END"))
120 break; 170 break;
121 else if (!strcmp (tok, "ENV") && recv (tok)) 171 else if (!strcmp (tok, "ENV") && recv (tok))
122 envv->push_back (tok.get ()); 172 envv->push_back (strdup (tok));
123 else if (!strcmp (tok, "CWD") && recv (tok)) 173 else if (!strcmp (tok, "CWD") && recv (tok))
124 { 174 {
125 if (chdir (tok)) 175 if (chdir (tok))
126 err ("unable to change to working directory to '%s': %s", 176 err ("unable to change to working directory to '%s': %s",
127 (char *)tok, strerror (errno)); 177 (char *)tok, strerror (errno));
128 } 178 }
129 else if (!strcmp (tok, "ARG") && recv (tok)) 179 else if (!strcmp (tok, "ARG") && recv (tok))
130 argv->push_back (tok.get ()); 180 argv->push_back (strdup (tok));
131 else 181 else
132 return err ("protocol error: unexpected NEW token"); 182 return err ("protocol error: unexpected NEW token");
133 } 183 }
134 184
135 envv->push_back (0); 185 envv->push_back (0);
136 186
137 { 187 {
138 char **old_environ = environ; 188 rxvt_term *term = new rxvt_term;
139 environ = envv->begin (); 189
190 term->log_hook = &log_cb;
191 term->getfd_hook = &getfd_cb;
140 192
141 rxvt_term *term = rxvt_init (argv->size (), argv->begin ()); 193 bool success;
194
195 try
196 {
197 success = term->init (argv, envv);
198 }
199 catch (const class rxvt_failure_exception &e)
200 {
201 success = false;
202 }
142 203
143 term->argv = argv; 204 term->log_hook = 0;
144 term->envv = envv;
145 205
146 environ = old_environ; 206 chdir ("/");
207
208 if (!success)
209 term->destroy ();
210
211 send ("END"); send (success ? 1 : 0);
147 } 212 }
148 } 213 }
149 else 214 else
150 return err ("protocol error: request '%s' unsupported.", (char *)tok); 215 return err ("protocol error: request '%s' unsupported.", (char *)tok);
151 } 216 }
152 else 217 else
153 return err (); 218 return err ();
154} 219}
155 220
221int opt_fork, opt_opendisplay, opt_quiet;
222
156int 223int
157main (int argc, const char *const *argv) 224main (int argc, const char *const *argv)
158{ 225{
159 rxvt_init_signals (); 226 rxvt_init ();
227
228 for (int i = 1; i < argc; i++)
229 {
230 if (!strcmp (argv [i], "-f") || !strcmp (argv [i], "--fork"))
231 opt_fork = 1;
232 else if (!strcmp (argv [i], "-o") || !strcmp (argv [i], "--opendisplay"))
233 opt_opendisplay = 1;
234 else if (!strcmp (argv [i], "-q") || !strcmp (argv [i], "--quiet"))
235 opt_quiet = 1;
236 else
237 {
238 rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]);
239 return EXIT_FAILURE;
240 }
241 }
242
243 chdir ("/");
244
245 if (opt_opendisplay)
246 displays.get (getenv ("DISPLAY")); // open display and never release it
160 247
161 char *sockname = rxvt_connection::unix_sockname (); 248 char *sockname = rxvt_connection::unix_sockname ();
162 unix_listener l (sockname); 249 unix_listener l (sockname);
250
251 if (!opt_quiet)
252 {
163 printf ("rxvtd listening on %s.\n", sockname); 253 printf ("rxvt-unicode daemon listening on %s.\n", sockname);
254 fflush (stdout);
255 }
256
164 free (sockname); 257 free (sockname);
165 258
166 iom.loop (); 259 if (opt_fork)
260 {
261 pid_t pid = fork ();
167 262
168#if 0 263 if (pid < 0)
169 if (rxvt_init (argc, argv) == NULL) 264 {
265 rxvt_log ("unable to fork daemon, aborting.\n");
170 return EXIT_FAILURE; 266 return EXIT_FAILURE;
267 }
268 else if (pid > 0)
269 _exit (EXIT_SUCCESS);
270 }
171 271
172 dR; 272 io_manager::loop ();
173 rxvt_main_loop (aR); /* main processing loop */ 273
174#endif
175 return EXIT_SUCCESS; 274 return EXIT_SUCCESS;
176} 275}
177 276

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