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1 | #include "../config.h" |
1 | #include "rxvtlib.h" |
2 | #include "rxvt.h" |
2 | #include "rxvtdaemon.h" |
3 | #include "rxvtdaemon.h" |
3 | #include "iom.h" |
4 | #include "iom.h" |
4 | |
5 | |
5 | #include <cstdio> |
6 | #include <cstdio> |
6 | #include <cstdlib> |
7 | #include <cstdlib> |
7 | #include <cstdarg> |
8 | #include <cstdarg> |
8 | #include <cstring> |
9 | #include <cstring> |
9 | |
10 | |
10 | #include <unistd.h> |
11 | #include <unistd.h> |
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12 | #include <fcntl.h> |
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13 | #include <sys/types.h> |
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14 | #include <sys/stat.h> |
11 | #include <sys/socket.h> |
15 | #include <sys/socket.h> |
12 | #include <sys/un.h> |
16 | #include <sys/un.h> |
13 | |
17 | |
14 | #include <cerrno> |
18 | #include <cerrno> |
15 | |
19 | |
16 | extern char **environ; |
20 | extern char **environ; |
17 | |
21 | |
18 | struct server : rxvt_connection { |
22 | struct server : rxvt_connection { |
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23 | log_callback log_cb; |
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24 | |
19 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
25 | void read_cb (io_watcher &w, short revents); io_watcher read_ev; |
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26 | void log_msg (const char *msg); |
20 | |
27 | |
21 | server (int fd) |
28 | server (int fd) |
22 | : read_ev (this, &server::read_cb) |
29 | : read_ev (this, &server::read_cb), |
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30 | log_cb (this, &server::log_msg) |
23 | { |
31 | { |
24 | this->fd = fd; |
32 | this->fd = fd; |
25 | read_ev.start (fd, EVENT_READ); |
33 | read_ev.start (fd, EVENT_READ); |
26 | } |
34 | } |
27 | |
35 | |
28 | void err (const char *format = 0, ...); |
36 | void err (const char *format = 0, ...); |
29 | }; |
37 | }; |
30 | |
38 | |
31 | struct listener { |
39 | struct unix_listener { |
32 | int fd; |
40 | int fd; |
33 | |
41 | |
34 | void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; |
42 | void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; |
35 | |
43 | |
36 | listener (); |
44 | unix_listener (const char *sockname); |
37 | }; |
45 | }; |
38 | |
46 | |
39 | listener::listener () |
47 | unix_listener::unix_listener (const char *sockname) |
40 | : accept_ev (this, &listener::accept_cb) |
48 | : accept_ev (this, &unix_listener::accept_cb) |
41 | { |
49 | { |
42 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
50 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
43 | { |
51 | { |
44 | perror ("unable to create listening socket"); |
52 | perror ("unable to create listening socket"); |
45 | exit (EXIT_FAILURE); |
53 | exit (EXIT_FAILURE); |
46 | } |
54 | } |
47 | |
55 | |
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56 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
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57 | |
48 | sockaddr_un sa; |
58 | sockaddr_un sa; |
49 | |
59 | |
50 | sa.sun_family = AF_UNIX; |
60 | sa.sun_family = AF_UNIX; |
51 | strcpy (sa.sun_path, rxvt_connection::unix_sockname ()); |
61 | strcpy (sa.sun_path, sockname); |
52 | |
62 | |
53 | unlink (rxvt_connection::unix_sockname ()); |
63 | unlink (rxvt_connection::unix_sockname ()); |
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64 | |
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65 | mode_t omask = umask (0077); |
54 | |
66 | |
55 | if (bind (fd, (sockaddr *)&sa, sizeof (sa))) |
67 | if (bind (fd, (sockaddr *)&sa, sizeof (sa))) |
56 | { |
68 | { |
57 | perror ("unable to bind listening socket"); |
69 | perror ("unable to bind listening socket"); |
58 | exit (EXIT_FAILURE); |
70 | exit (EXIT_FAILURE); |
59 | } |
71 | } |
60 | |
72 | |
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73 | umask (omask); |
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74 | |
61 | if (listen (fd, 5)) |
75 | if (listen (fd, 5)) |
62 | { |
76 | { |
63 | perror ("unable to listen on socket"); |
77 | perror ("unable to listen on socket"); |
64 | exit (EXIT_FAILURE); |
78 | exit (EXIT_FAILURE); |
65 | } |
79 | } |
66 | |
80 | |
67 | accept_ev.start (fd, EVENT_READ); |
81 | accept_ev.start (fd, EVENT_READ); |
68 | } |
82 | } |
69 | |
83 | |
70 | void listener::accept_cb (io_watcher &w, short revents) |
84 | void unix_listener::accept_cb (io_watcher &w, short revents) |
71 | { |
85 | { |
72 | int fd2 = accept (fd, 0, 0); |
86 | int fd2 = accept (fd, 0, 0); |
73 | |
87 | |
74 | if (fd2 >= 0) |
88 | if (fd2 >= 0) |
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89 | { |
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90 | fcntl (fd2, F_SETFD, FD_CLOEXEC); |
75 | new server (fd2); |
91 | new server (fd2); |
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92 | } |
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93 | } |
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94 | |
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95 | void server::log_msg (const char *msg) |
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96 | { |
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97 | send ("MSG"), send (msg); |
76 | } |
98 | } |
77 | |
99 | |
78 | void server::err (const char *format, ...) |
100 | void server::err (const char *format, ...) |
79 | { |
101 | { |
80 | if (format) |
102 | if (format) |
… | |
… | |
84 | va_list ap; |
106 | va_list ap; |
85 | va_start (ap, format); |
107 | va_start (ap, format); |
86 | vsnprintf (err, 1024, format, ap); |
108 | vsnprintf (err, 1024, format, ap); |
87 | va_end (ap); |
109 | va_end (ap); |
88 | |
110 | |
89 | send ("ERR"), send (err); |
111 | send ("MSG"), send (err); |
90 | } |
112 | } |
91 | |
113 | |
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114 | send ("END", 0); |
92 | close (fd); |
115 | close (fd); |
93 | delete this; |
116 | delete this; |
94 | } |
117 | } |
95 | |
118 | |
96 | void server::read_cb (io_watcher &w, short revents) |
119 | void server::read_cb (io_watcher &w, short revents) |
… | |
… | |
99 | |
122 | |
100 | if (recv (tok)) |
123 | if (recv (tok)) |
101 | { |
124 | { |
102 | if (!strcmp (tok, "NEW")) |
125 | if (!strcmp (tok, "NEW")) |
103 | { |
126 | { |
104 | stringvec argv; |
127 | stringvec *argv = new stringvec; |
105 | stringvec envv; |
128 | stringvec *envv = new stringvec; |
106 | |
129 | |
107 | for (;;) |
130 | for (;;) |
108 | { |
131 | { |
109 | if (!recv (tok)) |
132 | if (!recv (tok)) |
110 | return err (); |
133 | return err (); |
111 | |
134 | |
112 | if (!strcmp (tok, "END")) |
135 | if (!strcmp (tok, "END")) |
113 | break; |
136 | break; |
114 | else if (!strcmp (tok, "ENV") && recv (tok)) |
137 | else if (!strcmp (tok, "ENV") && recv (tok)) |
115 | envv.push_back (tok.get ()); |
138 | envv->push_back (tok.get ()); |
116 | else if (!strcmp (tok, "CWD") && recv (tok)) |
139 | else if (!strcmp (tok, "CWD") && recv (tok)) |
117 | { |
140 | { |
118 | if (chdir (tok)) |
141 | if (chdir (tok)) |
119 | err ("unable to change to working directory to '%s': %s", |
142 | err ("unable to change to working directory to '%s': %s", |
120 | (char *)tok, strerror (errno)); |
143 | (char *)tok, strerror (errno)); |
121 | } |
144 | } |
122 | else if (!strcmp (tok, "ARG") && recv (tok)) |
145 | else if (!strcmp (tok, "ARG") && recv (tok)) |
123 | argv.push_back (tok.get ()); |
146 | argv->push_back (tok.get ()); |
124 | else |
147 | else |
125 | return err ("protocol error: unexpected NEW token"); |
148 | return err ("protocol error: unexpected NEW token"); |
126 | } |
149 | } |
127 | |
150 | |
128 | envv.push_back (0); |
151 | envv->push_back (0); |
129 | |
152 | |
130 | { |
153 | { |
131 | char **old_environ = environ; |
154 | char **old_environ = environ; |
132 | environ = envv.begin (); |
155 | environ = envv->begin (); |
133 | |
156 | |
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157 | rxvt_term *term = new rxvt_term; |
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158 | |
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159 | term->log_hook = &log_cb; |
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160 | term->argv = argv; |
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161 | term->envv = envv; |
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162 | |
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163 | bool success; |
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164 | |
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165 | try |
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166 | { |
134 | rxvt_init (argv.size (), argv.begin ()); |
167 | success = term->init (argv->size (), argv->begin ()); |
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168 | } |
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169 | catch (const class rxvt_failure_exception &e) |
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170 | { |
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171 | success = false; |
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172 | } |
135 | |
173 | |
136 | environ = old_environ; |
174 | environ = old_environ; |
137 | envv.clear (); // can't yet save the env 'cause rxvt modifies it :( |
175 | |
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176 | if (!success) |
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177 | term->destroy (); |
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178 | |
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179 | send ("END"); send (success ? 1 : 0); |
138 | } |
180 | } |
139 | } |
181 | } |
140 | else |
182 | else |
141 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
183 | return err ("protocol error: request '%s' unsupported.", (char *)tok); |
142 | } |
184 | } |
143 | else |
185 | else |
144 | return err (); |
186 | return err (); |
145 | } |
187 | } |
146 | |
188 | |
147 | int |
189 | int |
148 | main(int argc, const char *const *argv) |
190 | main (int argc, const char *const *argv) |
149 | { |
191 | { |
150 | listener l; |
192 | rxvt_init_signals (); |
151 | |
193 | |
152 | { |
194 | char *sockname = rxvt_connection::unix_sockname (); |
153 | sigset_t ss; |
195 | unix_listener l (sockname); |
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196 | printf ("rxvtd listening on %s.\n", sockname); |
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197 | free (sockname); |
154 | |
198 | |
155 | sigaddset (&ss, SIGHUP); |
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156 | sigprocmask (SIG_BLOCK, &ss, 0); |
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157 | } |
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158 | |
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159 | printf ("rxvtd running.\n"); |
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160 | iom.loop (); |
199 | iom.loop (); |
161 | |
200 | |
162 | #if 0 |
201 | #if 0 |
163 | if (rxvt_init(argc, argv) == NULL) |
202 | if (rxvt_init (argc, argv) == NULL) |
164 | return EXIT_FAILURE; |
203 | return EXIT_FAILURE; |
165 | |
204 | |
166 | dR; |
205 | dR; |
167 | rxvt_main_loop(aR); /* main processing loop */ |
206 | rxvt_main_loop (aR); /* main processing loop */ |
168 | #endif |
207 | #endif |
169 | return EXIT_SUCCESS; |
208 | return EXIT_SUCCESS; |
170 | } |
209 | } |
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210 | |