1 | /*--------------------------------*-C-*---------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: rxvtc.C |
2 | * File: rxvtc.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
6 | * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de> |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
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 |
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 |
10 | * the Free Software Foundation; either version 2 of the License, or |
11 | * (at your option) any later version. |
11 | * (at your option) any later version. |
… | |
… | |
19 | * along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | *----------------------------------------------------------------------*/ |
21 | *----------------------------------------------------------------------*/ |
22 | |
22 | |
23 | #include "../config.h" |
23 | #include "../config.h" |
24 | #include "rxvtdaemon.h" |
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25 | |
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26 | #include "rxvt.h" |
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27 | |
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28 | #include <cstdio> |
24 | #include <stdio.h> |
29 | #include <cstdlib> |
25 | #include <stdlib.h> |
30 | #include <cstring> |
26 | #include <string.h> |
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27 | #include <signal.h> |
31 | |
28 | |
32 | #include <unistd.h> |
29 | #include <unistd.h> |
33 | #include <signal.h> |
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34 | #include <sys/socket.h> |
30 | #include <sys/socket.h> |
35 | #include <sys/un.h> |
31 | #include <sys/un.h> |
36 | |
32 | |
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33 | #include "rxvtdaemon.h" |
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34 | #include "libptytty.h" |
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35 | |
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36 | #define STATUS_SUCCESS 0 |
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37 | #define STATUS_FAILURE 1 |
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38 | #define STATUS_CONNECTION_FAILED 2 |
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39 | |
37 | struct client : rxvt_connection { |
40 | struct client : rxvt_connection |
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41 | { |
38 | client (); |
42 | client (); |
39 | }; |
43 | }; |
40 | |
44 | |
41 | client::client () |
45 | client::client () |
42 | { |
46 | { |
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47 | sockaddr_un sa; |
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48 | char *sockname = rxvt_connection::unix_sockname (); |
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49 | |
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50 | if (strlen (sockname) >= sizeof (sa.sun_path)) |
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51 | { |
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52 | fputs ("socket name too long, aborting.\n", stderr); |
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53 | exit (STATUS_FAILURE); |
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54 | } |
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55 | |
43 | if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0) |
56 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
44 | { |
57 | { |
45 | perror ("unable to create communications socket"); |
58 | perror ("unable to create communications socket"); |
46 | exit (EXIT_FAILURE); |
59 | exit (STATUS_FAILURE); |
47 | } |
60 | } |
48 | |
61 | |
49 | char *sockname = rxvt_connection::unix_sockname (); |
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50 | sockaddr_un sa; |
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51 | sa.sun_family = AF_UNIX; |
62 | sa.sun_family = AF_UNIX; |
52 | strcpy (sa.sun_path, sockname); |
63 | strcpy (sa.sun_path, sockname); |
53 | free (sockname); |
64 | free (sockname); |
54 | |
65 | |
55 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
66 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
56 | { |
67 | { |
57 | perror ("unable to connect to the rxvt-unicode daemon"); |
68 | perror ("unable to connect to the rxvt-unicode daemon"); |
58 | exit (EXIT_FAILURE); |
69 | exit (STATUS_CONNECTION_FAILED); |
59 | } |
70 | } |
60 | } |
71 | } |
61 | |
72 | |
62 | extern char **environ; |
73 | extern char **environ; |
63 | |
74 | |
64 | int |
75 | int |
65 | main (int argc, const char *const *argv) |
76 | main (int argc, const char *const *argv) |
66 | { |
77 | { |
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78 | // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* |
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79 | char cwd[PATH_MAX]; |
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80 | |
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81 | if (!getcwd (cwd, sizeof (cwd))) |
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82 | { |
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83 | perror ("unable to determine current working directory"); |
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84 | exit (STATUS_FAILURE); |
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85 | } |
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86 | |
67 | client c; |
87 | client c; |
68 | char buf[PATH_MAX]; |
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69 | |
88 | |
70 | { |
89 | { |
71 | sigset_t ss; |
90 | sigset_t ss; |
72 | |
91 | |
73 | sigemptyset (&ss); |
92 | sigemptyset (&ss); |
74 | sigaddset (&ss, SIGHUP); |
93 | sigaddset (&ss, SIGHUP); |
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94 | sigaddset (&ss, SIGPIPE); |
75 | sigprocmask (SIG_BLOCK, &ss, 0); |
95 | sigprocmask (SIG_BLOCK, &ss, 0); |
76 | } |
96 | } |
77 | |
97 | |
78 | c.send ("NEW"); |
98 | c.send ("NEW"); |
79 | // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* |
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80 | c.send ("CWD"), c.send (getcwd (buf, sizeof (buf))); |
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81 | |
99 | |
82 | for (char **var = environ; *environ; environ++) |
100 | for (char **var = environ; *var; var++) |
83 | c.send ("ENV"), c.send (*environ); |
101 | c.send ("ENV"), c.send (*var); |
84 | |
102 | |
85 | const char *base = strrchr (argv[0], '/'); |
103 | const char *base = strrchr (argv[0], '/'); |
86 | base = base ? base + 1 : argv[0]; |
104 | base = base ? base + 1 : argv[0]; |
87 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
105 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
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106 | |
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107 | c.send ("ARG"), c.send ("-cd"); |
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108 | c.send ("ARG"), c.send (cwd); |
88 | |
109 | |
89 | for (int i = 1; i < argc; i++) |
110 | for (int i = 1; i < argc; i++) |
90 | c.send ("ARG"), c.send (argv[i]); |
111 | c.send ("ARG"), c.send (argv[i]); |
91 | |
112 | |
92 | c.send ("END"); |
113 | c.send ("END"); |
93 | |
114 | |
94 | auto_str tok; |
115 | auto_str tok; |
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116 | int cint; |
95 | |
117 | |
96 | for (;;) |
118 | for (;;) |
97 | if (!c.recv (tok)) |
119 | if (!c.recv (tok)) |
98 | { |
120 | { |
99 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
121 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
100 | break; |
122 | break; |
101 | } |
123 | } |
102 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
124 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
103 | fprintf (stderr, "%s", (const char *)tok); |
125 | fprintf (stderr, "%s", (const char *)tok); |
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126 | else if (!strcmp (tok, "GETFD") && c.recv (cint)) |
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127 | { |
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128 | if (!ptytty::send_fd (c.fd, cint)) |
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129 | { |
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130 | fprintf (stderr, "unable to send fd %d: ", cint); perror (0); |
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131 | exit (STATUS_FAILURE); |
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132 | } |
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133 | } |
104 | else if (!strcmp (tok, "END")) |
134 | else if (!strcmp (tok, "END")) |
105 | { |
135 | { |
106 | int success; |
136 | int success; |
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137 | |
107 | if (c.recv (success)) |
138 | if (c.recv (success)) |
108 | exit (success ? EXIT_SUCCESS : EXIT_FAILURE); |
139 | exit (success ? STATUS_SUCCESS : STATUS_FAILURE); |
109 | } |
140 | } |
110 | else |
141 | else |
111 | { |
142 | { |
112 | fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok); |
143 | fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok); |
113 | break; |
144 | break; |
114 | } |
145 | } |
115 | |
146 | |
116 | return EXIT_FAILURE; |
147 | return STATUS_FAILURE; |
117 | } |
148 | } |
118 | |
149 | |