| 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 2 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 |
*----------------------------------------------------------------------*/ |
| 22 |
|
| 23 |
#include "../config.h" |
| 24 |
#include <stdio.h> |
| 25 |
#include <stdlib.h> |
| 26 |
#include <string.h> |
| 27 |
#include <signal.h> |
| 28 |
|
| 29 |
#include <unistd.h> |
| 30 |
#include <sys/socket.h> |
| 31 |
#include <sys/un.h> |
| 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 |
|
| 40 |
struct client : rxvt_connection |
| 41 |
{ |
| 42 |
client (); |
| 43 |
}; |
| 44 |
|
| 45 |
client::client () |
| 46 |
{ |
| 47 |
sockaddr_un sa; |
| 48 |
char *sockname = rxvt_connection::unix_sockname (); |
| 49 |
|
| 50 |
if (strlen (sockname) >= sizeof (sa.sun_path)) |
| 51 |
{ |
| 52 |
fputs ("socket name too long, aborting.\n", stderr); |
| 53 |
exit (STATUS_FAILURE); |
| 54 |
} |
| 55 |
|
| 56 |
if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) |
| 57 |
{ |
| 58 |
perror ("unable to create communications socket"); |
| 59 |
exit (STATUS_FAILURE); |
| 60 |
} |
| 61 |
|
| 62 |
sa.sun_family = AF_UNIX; |
| 63 |
strcpy (sa.sun_path, sockname); |
| 64 |
free (sockname); |
| 65 |
|
| 66 |
if (connect (fd, (sockaddr *)&sa, sizeof (sa))) |
| 67 |
{ |
| 68 |
perror ("unable to connect to the rxvt-unicode daemon"); |
| 69 |
exit (STATUS_CONNECTION_FAILED); |
| 70 |
} |
| 71 |
} |
| 72 |
|
| 73 |
extern char **environ; |
| 74 |
|
| 75 |
int |
| 76 |
main (int argc, const char *const *argv) |
| 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 |
|
| 87 |
client c; |
| 88 |
|
| 89 |
{ |
| 90 |
sigset_t ss; |
| 91 |
|
| 92 |
sigemptyset (&ss); |
| 93 |
sigaddset (&ss, SIGHUP); |
| 94 |
sigaddset (&ss, SIGPIPE); |
| 95 |
sigprocmask (SIG_BLOCK, &ss, 0); |
| 96 |
} |
| 97 |
|
| 98 |
c.send ("NEW"); |
| 99 |
|
| 100 |
for (char **var = environ; *var; var++) |
| 101 |
c.send ("ENV"), c.send (*var); |
| 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 |
|
| 110 |
for (int i = 1; i < argc; i++) |
| 111 |
c.send ("ARG"), c.send (argv[i]); |
| 112 |
|
| 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; |
| 148 |
} |
| 149 |
|
