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Comparing rxvt-unicode/src/rxvtd.C (file contents):
Revision 1.12 by pcg, Sun Apr 4 23:52:37 2004 UTC vs.
Revision 1.34 by root, Sun Nov 11 04:08:00 2007 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
… …
15#include <sys/socket.h> 33#include <sys/socket.h>
16#include <sys/un.h> 34#include <sys/un.h>
17 35
18#include <cerrno> 36#include <cerrno>
19 37
20extern char **environ; 38#include "rxvt.h"
39#include "rxvtdaemon.h"
40#include "libptytty.h"
21 41
22struct server : rxvt_connection { 42struct server : rxvt_connection {
23 log_callback log_cb; 43 log_callback log_cb;
44 getfd_callback getfd_cb;
24 45
25 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;
26 void log_msg (const char *msg); 47 void log_msg (const char *msg);
48 int getfd (int remote_fd);
27 49
28 server (int fd) 50 server (int fd)
29 : read_ev (this, &server::read_cb), 51 : read_ev (this, &server::read_cb),
30 log_cb (this, &server::log_msg) 52 log_cb (this, &server::log_msg),
53 getfd_cb (this, &server::getfd)
31 { 54 {
32 this->fd = fd; 55 this->fd = fd;
33 read_ev.start (fd, EVENT_READ); 56 read_ev.start (fd, ev::READ);
34 } 57 }
35 58
36 void err (const char *format = 0, ...); 59 void err (const char *format = 0, ...);
37}; 60};
38 61
39struct unix_listener { 62struct unix_listener {
40 int fd; 63 int fd;
41 64
42 void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; 65 void accept_cb (ev::io &w, int revents); ev::io accept_ev;
43 66
44 unix_listener (const char *sockname); 67 unix_listener (const char *sockname);
45}; 68};
46 69
47unix_listener::unix_listener (const char *sockname) 70unix_listener::unix_listener (const char *sockname)
48: accept_ev (this, &unix_listener::accept_cb) 71: accept_ev (this, &unix_listener::accept_cb)
49{ 72{
73 sockaddr_un sa;
74
75 if (strlen (sockname) >= sizeof(sa.sun_path))
76 {
77 fputs ("socket name too long, aborting.\n", stderr);
78 exit (EXIT_FAILURE);
79 }
80
50 if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) 81 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
51 { 82 {
52 perror ("unable to create listening socket"); 83 perror ("unable to create listening socket");
53 exit (EXIT_FAILURE); 84 exit (EXIT_FAILURE);
54 } 85 }
55 86
56 fcntl (fd, F_SETFD, FD_CLOEXEC); 87 fcntl (fd, F_SETFD, FD_CLOEXEC);
57
58 sockaddr_un sa;
59 88
60 sa.sun_family = AF_UNIX; 89 sa.sun_family = AF_UNIX;
61 strcpy (sa.sun_path, sockname); 90 strcpy (sa.sun_path, sockname);
62 91
63 unlink (rxvt_connection::unix_sockname ()); 92 unlink (rxvt_connection::unix_sockname ());
… …
76 { 105 {
77 perror ("unable to listen on socket"); 106 perror ("unable to listen on socket");
78 exit (EXIT_FAILURE); 107 exit (EXIT_FAILURE);
79 } 108 }
80 109
81 accept_ev.start (fd, EVENT_READ); 110 accept_ev.start (fd, ev::READ);
82} 111}
83 112
84void unix_listener::accept_cb (io_watcher &w, short revents) 113void unix_listener::accept_cb (ev::io &w, int revents)
85{ 114{
86 int fd2 = accept (fd, 0, 0); 115 int fd2 = accept (fd, 0, 0);
87 116
88 if (fd2 >= 0) 117 if (fd2 >= 0)
89 { 118 {
90 fcntl (fd2, F_SETFD, FD_CLOEXEC); 119 fcntl (fd2, F_SETFD, FD_CLOEXEC);
91 new server (fd2); 120 new server (fd2);
92 } 121 }
122}
123
124int server::getfd (int remote_fd)
125{
126 send ("GETFD");
127 send (remote_fd);
128 return ptytty::recv_fd (fd);
93} 129}
94 130
95void server::log_msg (const char *msg) 131void server::log_msg (const char *msg)
96{ 132{
97 send ("MSG"), send (msg); 133 send ("MSG"), send (msg);
… …
106 va_list ap; 142 va_list ap;
107 va_start (ap, format); 143 va_start (ap, format);
108 vsnprintf (err, 1024, format, ap); 144 vsnprintf (err, 1024, format, ap);
109 va_end (ap); 145 va_end (ap);
110 146
111 send ("MSG"), send (err); 147 log_msg (err);
112 } 148 }
113 149
114 send ("END", 0); 150 send ("END"), send (0);
115 close (fd); 151 close (fd);
116 delete this; 152 delete this;
117} 153}
118 154
119void server::read_cb (io_watcher &w, short revents) 155void server::read_cb (ev::io &w, int revents)
120{ 156{
121 auto_str tok; 157 auto_str tok;
122 158
123 if (recv (tok)) 159 if (recv (tok))
124 { 160 {
125 if (!strcmp (tok, "NEW")) 161 if (!strcmp (tok, "NEW"))
126 { 162 {
127 stringvec *argv = new stringvec; 163 stringvec *argv = new stringvec;
128 stringvec *envv = new stringvec; 164 stringvec *envv = new stringvec;
129 165
130 for (;;) 166 for (;;)
131 { 167 {
132 if (!recv (tok)) 168 if (!recv (tok))
133 return err (); 169 return err ();
134 170
135 if (!strcmp (tok, "END")) 171 if (!strcmp (tok, "END"))
136 break; 172 break;
137 else if (!strcmp (tok, "ENV") && recv (tok)) 173 else if (!strcmp (tok, "ENV") && recv (tok))
138 envv->push_back (tok.get ()); 174 envv->push_back (strdup (tok));
139 else if (!strcmp (tok, "CWD") && recv (tok)) 175 else if (!strcmp (tok, "CWD") && recv (tok))
140 { 176 {
141 if (chdir (tok)) 177 if (chdir (tok))
178 {
179 delete envv;
180 delete argv;
142 err ("unable to change to working directory to '%s': %s", 181 return err ("unable to change to working directory to '%s', aborting: %s.\n",
143 (char *)tok, strerror (errno)); 182 (char *)tok, strerror (errno));
183 }
144 } 184 }
145 else if (!strcmp (tok, "ARG") && recv (tok)) 185 else if (!strcmp (tok, "ARG") && recv (tok))
146 argv->push_back (tok.get ()); 186 argv->push_back (strdup (tok));
147 else 187 else
148 return err ("protocol error: unexpected NEW token"); 188 return err ("protocol error: unexpected NEW token.\n");
149 } 189 }
150 190
151 envv->push_back (0); 191 envv->push_back (0);
152 192
153 { 193 {
154 char **old_environ = environ;
155 environ = envv->begin ();
156
157 rxvt_term *term = new rxvt_term; 194 rxvt_term *term = new rxvt_term;
158 195
159 term->log_hook = &log_cb; 196 term->log_hook = &log_cb;
160 term->argv = argv; 197 term->getfd_hook = &getfd_cb;
161 term->envv = envv;
162 198
163 bool success; 199 bool success;
164 200
165 try 201 try
166 { 202 {
167 success = term->init (argv->size (), argv->begin ()); 203 success = term->init (argv, envv);
168 } 204 }
169 catch (const class rxvt_failure_exception &e) 205 catch (const class rxvt_failure_exception &e)
170 { 206 {
171 success = false; 207 success = false;
172 } 208 }
173 209
174 environ = old_environ; 210 term->log_hook = 0;
211
212 chdir ("/");
175 213
176 if (!success) 214 if (!success)
177 term->destroy (); 215 term->destroy ();
178 216
179 send ("END"); send (success ? 1 : 0); 217 send ("END"); send (success ? 1 : 0);
180 } 218 }
181 } 219 }
182 else 220 else
183 return err ("protocol error: request '%s' unsupported.", (char *)tok); 221 return err ("protocol error: request '%s' unsupported.\n", (char *)tok);
184 } 222 }
185 else 223 else
186 return err (); 224 return err ();
187} 225}
188 226
227int opt_fork, opt_opendisplay, opt_quiet;
228
189int 229int
190main (int argc, const char *const *argv) 230main (int argc, const char *const *argv)
191{ 231{
192 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
193 253
194 char *sockname = rxvt_connection::unix_sockname (); 254 char *sockname = rxvt_connection::unix_sockname ();
195 unix_listener l (sockname); 255 unix_listener l (sockname);
256
257 if (!opt_quiet)
258 {
196 printf ("rxvtd listening on %s.\n", sockname); 259 printf ("rxvt-unicode daemon listening on %s.\n", sockname);
260 fflush (stdout);
261 }
262
197 free (sockname); 263 free (sockname);
198 264
199 iom.loop (); 265 if (opt_fork)
266 {
267 pid_t pid = fork ();
200 268
201#if 0 269 if (pid < 0)
202 if (rxvt_init (argc, argv) == NULL) 270 {
271 rxvt_log ("unable to fork daemon, aborting.\n");
203 return EXIT_FAILURE; 272 return EXIT_FAILURE;
273 }
274 else if (pid > 0)
275 _exit (EXIT_SUCCESS);
276 }
204 277
205 dR; 278 ev::ev_loop (0);
206 rxvt_main_loop (aR); /* main processing loop */ 279
207#endif
208 return EXIT_SUCCESS; 280 return EXIT_SUCCESS;
209} 281}
210 282

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