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 <pcg@goof.com> |
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 <cstdio> |
29 | #include <cstdlib> |
25 | #include <cstdlib> |
30 | #include <cstring> |
26 | #include <cstring> |
31 | #include <csignal> |
27 | #include <csignal> |
32 | |
28 | |
33 | #include <unistd.h> |
29 | #include <unistd.h> |
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 | #include "rxvt.h" |
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37 | |
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38 | #define STATUS_SUCCESS 0 |
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39 | #define STATUS_FAILURE 1 |
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40 | #define STATUS_CONNECTION_FAILED 2 |
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41 | |
37 | struct client : rxvt_connection { |
42 | struct client : rxvt_connection { |
38 | client (); |
43 | client (); |
39 | }; |
44 | }; |
40 | |
45 | |
41 | client::client () |
46 | client::client () |
42 | { |
47 | { |
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48 | sockaddr_un sa; |
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49 | char *sockname = rxvt_connection::unix_sockname (); |
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50 | |
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51 | if (strlen(sockname) >= sizeof(sa.sun_path)) |
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52 | { |
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53 | fputs ("socket name too long, aborting.\n", stderr); |
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54 | exit (STATUS_FAILURE); |
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55 | } |
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56 | |
43 | if ((fd = socket (PF_UNIX, SOCK_STREAM, 0)) < 0) |
57 | if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
44 | { |
58 | { |
45 | perror ("unable to create communications socket"); |
59 | perror ("unable to create communications socket"); |
46 | exit (EXIT_FAILURE); |
60 | exit (STATUS_FAILURE); |
47 | } |
61 | } |
48 | |
62 | |
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; |
63 | sa.sun_family = AF_UNIX; |
52 | strcpy (sa.sun_path, sockname); |
64 | strcpy (sa.sun_path, sockname); |
53 | free (sockname); |
65 | free (sockname); |
54 | |
66 | |
55 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
67 | if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
56 | { |
68 | { |
57 | perror ("unable to connect to the rxvt-unicode daemon"); |
69 | perror ("unable to connect to the rxvt-unicode daemon"); |
58 | exit (EXIT_FAILURE); |
70 | exit (STATUS_CONNECTION_FAILED); |
59 | } |
71 | } |
60 | } |
72 | } |
61 | |
73 | |
62 | extern char **environ; |
74 | extern char **environ; |
63 | |
75 | |
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68 | { |
80 | { |
69 | sigset_t ss; |
81 | sigset_t ss; |
70 | |
82 | |
71 | sigemptyset (&ss); |
83 | sigemptyset (&ss); |
72 | sigaddset (&ss, SIGHUP); |
84 | sigaddset (&ss, SIGHUP); |
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85 | sigaddset (&ss, SIGPIPE); |
73 | sigprocmask (SIG_BLOCK, &ss, 0); |
86 | sigprocmask (SIG_BLOCK, &ss, 0); |
74 | } |
87 | } |
75 | |
88 | |
76 | c.send ("NEW"); |
89 | c.send ("NEW"); |
77 | |
90 | |
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79 | char cwd[PATH_MAX]; |
92 | char cwd[PATH_MAX]; |
80 | |
93 | |
81 | if (!getcwd (cwd, sizeof (cwd))) |
94 | if (!getcwd (cwd, sizeof (cwd))) |
82 | { |
95 | { |
83 | perror ("unable to determine current working directory"); |
96 | perror ("unable to determine current working directory"); |
84 | exit (EXIT_FAILURE); |
97 | exit (STATUS_FAILURE); |
85 | } |
98 | } |
86 | |
99 | |
87 | c.send ("CWD"), c.send (cwd); |
100 | c.send ("CWD"), c.send (cwd); |
88 | |
101 | |
89 | for (char **var = environ; *environ; environ++) |
102 | for (char **var = environ; *var; var++) |
90 | c.send ("ENV"), c.send (*environ); |
103 | c.send ("ENV"), c.send (*var); |
91 | |
104 | |
92 | const char *base = strrchr (argv[0], '/'); |
105 | const char *base = strrchr (argv[0], '/'); |
93 | base = base ? base + 1 : argv[0]; |
106 | base = base ? base + 1 : argv[0]; |
94 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
107 | c.send ("ARG"), c.send (strcmp (base, RXVTNAME "c") ? base : RXVTNAME); |
95 | |
108 | |
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97 | c.send ("ARG"), c.send (argv[i]); |
110 | c.send ("ARG"), c.send (argv[i]); |
98 | |
111 | |
99 | c.send ("END"); |
112 | c.send ("END"); |
100 | |
113 | |
101 | auto_str tok; |
114 | auto_str tok; |
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115 | int cint; |
102 | |
116 | |
103 | for (;;) |
117 | for (;;) |
104 | if (!c.recv (tok)) |
118 | if (!c.recv (tok)) |
105 | { |
119 | { |
106 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
120 | fprintf (stderr, "protocol error: unexpected eof from server.\n"); |
107 | break; |
121 | break; |
108 | } |
122 | } |
109 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
123 | else if (!strcmp (tok, "MSG") && c.recv (tok)) |
110 | fprintf (stderr, "%s", (const char *)tok); |
124 | fprintf (stderr, "%s", (const char *)tok); |
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125 | else if (!strcmp (tok, "GETFD") && c.recv (cint)) |
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126 | { |
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127 | if (!ptytty::send_fd (c.fd, cint)) |
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128 | { |
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129 | fprintf (stderr, "unable to send fd %d: ", cint); perror (0); |
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130 | exit (STATUS_FAILURE); |
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131 | } |
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132 | } |
111 | else if (!strcmp (tok, "END")) |
133 | else if (!strcmp (tok, "END")) |
112 | { |
134 | { |
113 | int success; |
135 | int success; |
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136 | |
114 | if (c.recv (success)) |
137 | if (c.recv (success)) |
115 | exit (success ? EXIT_SUCCESS : EXIT_FAILURE); |
138 | exit (success ? STATUS_SUCCESS : STATUS_FAILURE); |
116 | } |
139 | } |
117 | else |
140 | else |
118 | { |
141 | { |
119 | fprintf (stderr, "protocol error: received illegal token '%s'.\n", (const char *)tok); |
142 | fprintf (stderr, "protocol error: received unsupported token '%s'.\n", (const char *)tok); |
120 | break; |
143 | break; |
121 | } |
144 | } |
122 | |
145 | |
123 | return EXIT_FAILURE; |
146 | return STATUS_FAILURE; |
124 | } |
147 | } |
125 | |
148 | |