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