1 | #include "rxvtdaemon.h" |
1 | /*----------------------------------------------------------------------* |
|
|
2 | * File: rxvtc.C |
|
|
3 | *----------------------------------------------------------------------* |
|
|
4 | * |
|
|
5 | * All portions of code are copyright by their respective author/s. |
|
|
6 | * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de> |
|
|
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 3 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 | *----------------------------------------------------------------------*/ |
2 | |
22 | |
|
|
23 | #include "../config.h" |
3 | #include <cstdio> |
24 | #include <stdio.h> |
4 | #include <cstdlib> |
25 | #include <stdlib.h> |
|
|
26 | #include <string.h> |
|
|
27 | #include <signal.h> |
5 | |
28 | |
6 | #include <unistd.h> |
29 | #include <unistd.h> |
7 | #include <signal.h> |
|
|
8 | #include <sys/socket.h> |
30 | #include <sys/socket.h> |
9 | #include <sys/un.h> |
31 | #include <sys/un.h> |
10 | |
32 | |
|
|
33 | #include "rxvtdaemon.h" |
|
|
34 | #include "libptytty.h" |
|
|
35 | |
|
|
36 | #define STATUS_SUCCESS 0 |
|
|
37 | #define STATUS_FAILURE 1 |
|
|
38 | #define STATUS_CONNECTION_FAILED 2 |
|
|
39 | |
11 | struct client : rxvt_connection { |
40 | struct client : rxvt_connection |
|
|
41 | { |
12 | client (); |
42 | client (); |
13 | }; |
43 | }; |
14 | |
44 | |
15 | client::client () |
45 | client::client () |
16 | { |
46 | { |
17 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
47 | sockaddr_un sa; |
|
|
48 | char *sockname = rxvt_connection::unix_sockname (); |
|
|
49 | |
|
|
50 | if (strlen (sockname) >= sizeof (sa.sun_path)) |
18 | { |
51 | { |
19 | perror ("unable to create listening socket"); |
52 | fputs ("socket name too long, aborting.\n", stderr); |
20 | exit (EXIT_FAILURE); |
53 | exit (STATUS_FAILURE); |
21 | } |
54 | } |
22 | |
55 | |
23 | char *sockname = rxvt_connection::unix_sockname (); |
56 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
24 | sockaddr_un sa; |
57 | { |
|
|
58 | perror ("unable to create communications socket"); |
|
|
59 | exit (STATUS_FAILURE); |
|
|
60 | } |
|
|
61 | |
25 | sa.sun_family = AF_UNIX; |
62 | sa.sun_family = AF_UNIX; |
26 | strcpy (sa.sun_path, sockname); |
63 | strcpy (sa.sun_path, sockname); |
27 | free (sockname); |
64 | free (sockname); |
28 | |
65 | |
29 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
66 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
30 | { |
67 | { |
31 | perror ("unable to bind listening socket"); |
68 | perror ("unable to connect to the rxvt-unicode daemon"); |
32 | exit (EXIT_FAILURE); |
69 | exit (STATUS_CONNECTION_FAILED); |
33 | } |
70 | } |
34 | } |
71 | } |
35 | |
72 | |
36 | extern char **environ; |
73 | extern char **environ; |
37 | |
74 | |
38 | int |
75 | int |
39 | main(int argc, const char *const *argv) |
76 | main (int argc, const char *const *argv) |
40 | { |
77 | { |
|
|
78 | // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* |
|
|
79 | char cwd[PATH_MAX]; |
|
|
80 | |
|
|
81 | if (!getcwd (cwd, sizeof (cwd))) |
|
|
82 | { |
|
|
83 | perror ("unable to determine current working directory"); |
|
|
84 | exit (STATUS_FAILURE); |
|
|
85 | } |
|
|
86 | |
41 | client c; |
87 | client c; |
42 | char buf[PATH_MAX]; |
|
|
43 | |
88 | |
44 | { |
89 | { |
45 | sigset_t ss; |
90 | sigset_t ss; |
46 | |
91 | |
|
|
92 | sigemptyset (&ss); |
47 | sigaddset (&ss, SIGHUP); |
93 | sigaddset (&ss, SIGHUP); |
|
|
94 | sigaddset (&ss, SIGPIPE); |
48 | sigprocmask (SIG_BLOCK, &ss, 0); |
95 | sigprocmask (SIG_BLOCK, &ss, 0); |
49 | } |
96 | } |
50 | |
97 | |
51 | c.send ("NEW"); |
98 | c.send ("NEW"); |
52 | // instead of getcwd we could opendir(".") and pass the fd for fchdir *g* |
|
|
53 | c.send ("CWD"), c.send (getcwd (buf, sizeof (buf))); |
|
|
54 | |
99 | |
55 | for (char **var = environ; *environ; environ++) |
100 | for (char **var = environ; *var; var++) |
56 | c.send ("ENV"), c.send (*environ); |
101 | c.send ("ENV"), c.send (*var); |
57 | |
102 | |
|
|
103 | const char *base = strrchr (argv[0], '/'); |
|
|
104 | base = base ? base + 1 : argv[0]; |
|
|
105 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
|
|
106 | |
|
|
107 | c.send ("ARG"), c.send ("-cd"); |
|
|
108 | c.send ("ARG"), c.send (cwd); |
|
|
109 | |
58 | for (int i = 0; i < argc; i++) |
110 | for (int i = 1; i < argc; i++) |
59 | c.send ("ARG"), c.send (argv[i]); |
111 | c.send ("ARG"), c.send (argv[i]); |
60 | |
112 | |
61 | c.send ("END"); |
113 | c.send ("END"); |
|
|
114 | |
|
|
115 | auto_str tok; |
|
|
116 | int cint; |
|
|
117 | |
|
|
118 | for (;;) |
|
|
119 | if (!c.recv (tok)) |
|
|
120 | { |
|
|
121 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
|
|
122 | break; |
|
|
123 | } |
|
|
124 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
|
|
125 | fprintf (stderr, "%s", (const char *)tok); |
|
|
126 | else if (!strcmp (tok, "GETFD") && c.recv (cint)) |
|
|
127 | { |
|
|
128 | if (!ptytty::send_fd (c.fd, cint)) |
|
|
129 | { |
|
|
130 | fprintf (stderr, "unable to send fd %d: ", cint); perror (0); |
|
|
131 | exit (STATUS_FAILURE); |
|
|
132 | } |
|
|
133 | } |
|
|
134 | else if (!strcmp (tok, "END")) |
|
|
135 | { |
|
|
136 | int success; |
|
|
137 | |
|
|
138 | if (c.recv (success)) |
|
|
139 | exit (success ? STATUS_SUCCESS : STATUS_FAILURE); |
|
|
140 | } |
|
|
141 | else |
|
|
142 | { |
|
|
143 | fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok); |
|
|
144 | break; |
|
|
145 | } |
|
|
146 | |
|
|
147 | return STATUS_FAILURE; |
62 | } |
148 | } |
63 | |
149 | |