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1 | /*--------------------------------*-C-*---------------------------------* |
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2 | * File: rxvtc.C |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | *----------------------------------------------------------------------*/ |
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22 | |
1 | #include "../config.h" |
23 | #include "../config.h" |
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24 | #include <cstdio> |
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25 | #include <cstdlib> |
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26 | #include <cstring> |
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27 | #include <csignal> |
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28 | |
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29 | #include <unistd.h> |
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30 | #include <sys/socket.h> |
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31 | #include <sys/un.h> |
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32 | |
2 | #include "rxvtdaemon.h" |
33 | #include "rxvtdaemon.h" |
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34 | #include "libptytty.h" |
3 | |
35 | |
4 | #include "rxvt.h" |
36 | #include "rxvt.h" |
5 | |
37 | |
6 | #include <cstdio> |
38 | #define STATUS_SUCCESS 0 |
7 | #include <cstdlib> |
39 | #define STATUS_FAILURE 1 |
8 | |
40 | #define STATUS_CONNECTION_FAILED 2 |
9 | #include <unistd.h> |
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10 | #include <signal.h> |
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11 | #include <sys/socket.h> |
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12 | #include <sys/un.h> |
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13 | |
41 | |
14 | struct client : rxvt_connection { |
42 | struct client : rxvt_connection { |
15 | client (); |
43 | client (); |
16 | }; |
44 | }; |
17 | |
45 | |
18 | client::client () |
46 | client::client () |
19 | { |
47 | { |
20 | if ((fd = socket (PF_LOCAL, SOCK_STREAM, 0)) < 0) |
48 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
21 | { |
49 | { |
22 | perror ("unable to create communications socket"); |
50 | perror ("unable to create communications socket"); |
23 | exit (EXIT_FAILURE); |
51 | exit (STATUS_FAILURE); |
24 | } |
52 | } |
25 | |
53 | |
26 | char *sockname = rxvt_connection::unix_sockname (); |
54 | char *sockname = rxvt_connection::unix_sockname (); |
27 | sockaddr_un sa; |
55 | sockaddr_un sa; |
28 | sa.sun_family = AF_UNIX; |
56 | sa.sun_family = AF_UNIX; |
29 | strcpy (sa.sun_path, sockname); |
57 | strcpy (sa.sun_path, sockname); |
30 | free (sockname); |
58 | free (sockname); |
31 | |
59 | |
32 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
60 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
33 | { |
61 | { |
34 | perror ("unable to connect to rxvtd"); |
62 | perror ("unable to connect to the rxvt-unicode daemon"); |
35 | exit (EXIT_FAILURE); |
63 | exit (STATUS_CONNECTION_FAILED); |
36 | } |
64 | } |
37 | } |
65 | } |
38 | |
66 | |
39 | extern char **environ; |
67 | extern char **environ; |
40 | |
68 | |
41 | int |
69 | int |
42 | main (int argc, const char *const *argv) |
70 | main (int argc, const char *const *argv) |
43 | { |
71 | { |
44 | client c; |
72 | client c; |
45 | char buf[PATH_MAX]; |
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46 | |
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47 | { |
73 | { |
48 | sigset_t ss; |
74 | sigset_t ss; |
49 | |
75 | |
50 | sigemptyset (&ss); |
76 | sigemptyset (&ss); |
51 | sigaddset (&ss, SIGHUP); |
77 | sigaddset (&ss, SIGHUP); |
52 | sigprocmask (SIG_BLOCK, &ss, 0); |
78 | sigprocmask (SIG_BLOCK, &ss, 0); |
53 | } |
79 | } |
54 | |
80 | |
55 | c.send ("NEW"); |
81 | c.send ("NEW"); |
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82 | |
56 | // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* |
83 | // instead of getcwd we could opendir (".") and pass the fd for fchdir *g* |
57 | c.send ("CWD"), c.send (getcwd (buf, sizeof (buf))); |
84 | char cwd[PATH_MAX]; |
58 | |
85 | |
59 | for (char **var = environ; *environ; environ++) |
86 | if (!getcwd (cwd, sizeof (cwd))) |
60 | c.send ("ENV"), c.send (*environ); |
87 | { |
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88 | perror ("unable to determine current working directory"); |
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89 | exit (STATUS_FAILURE); |
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90 | } |
61 | |
91 | |
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92 | c.send ("CWD"), c.send (cwd); |
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93 | |
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94 | for (char **var = environ; *var; var++) |
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95 | c.send ("ENV"), c.send (*var); |
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96 | |
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97 | const char *base = strrchr (argv[0], '/'); |
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98 | base = base ? base + 1 : argv[0]; |
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99 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
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100 | |
62 | for (int i = 0; i < argc; i++) |
101 | for (int i = 1; i < argc; i++) |
63 | c.send ("ARG"), c.send (argv[i]); |
102 | c.send ("ARG"), c.send (argv[i]); |
64 | |
103 | |
65 | c.send ("END"); |
104 | c.send ("END"); |
66 | |
105 | |
67 | auto_str tok; |
106 | auto_str tok; |
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107 | int cint; |
68 | |
108 | |
69 | for (;;) |
109 | for (;;) |
70 | if (!c.recv (tok)) |
110 | if (!c.recv (tok)) |
71 | { |
111 | { |
72 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
112 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
73 | break; |
113 | break; |
74 | } |
114 | } |
75 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
115 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
76 | fprintf (stderr, "%s", (const char *)tok); |
116 | fprintf (stderr, "%s", (const char *)tok); |
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117 | else if (!strcmp (tok, "GETFD") && c.recv (cint)) |
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118 | { |
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119 | if (!ptytty::send_fd (c.fd, cint)) |
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120 | { |
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121 | fprintf (stderr, "unable to send fd %d: ", cint); perror (0); |
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122 | exit (STATUS_FAILURE); |
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123 | } |
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124 | } |
77 | else if (!strcmp (tok, "END")) |
125 | else if (!strcmp (tok, "END")) |
78 | { |
126 | { |
79 | int success; |
127 | int success; |
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128 | |
80 | if (c.recv (success)) |
129 | if (c.recv (success)) |
81 | exit (success ? EXIT_SUCCESS : EXIT_FAILURE); |
130 | exit (success ? STATUS_SUCCESS : STATUS_FAILURE); |
82 | } |
131 | } |
83 | else |
132 | else |
84 | { |
133 | { |
85 | fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok); |
134 | fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok); |
86 | break; |
135 | break; |
87 | } |
136 | } |
88 | |
137 | |
89 | return EXIT_FAILURE; |
138 | return STATUS_FAILURE; |
90 | } |
139 | } |
91 | |
140 | |