author | viric@llimona |
Mon, 24 Sep 2007 13:59:40 +0200 | |
changeset 38 | f1e581c862d5 |
parent 37 | b0588bddef91 |
child 40 | da3ea7f666e3 |
permissions | -rw-r--r-- |
12 | 1 |
/* |
2 |
stdin mix - a mixer/multiplexer for stdin to processes |
|
3 |
Copyright (C) 2007 LluĂs Batlle i Rossell |
|
4 |
||
5 |
Please find the license in the provided COPYING file. |
|
6 |
*/ |
|
0 | 7 |
#include <stdio.h> |
8 |
#include <stdlib.h> |
|
9 |
#include <sys/types.h> |
|
10 |
#include <unistd.h> |
|
5 | 11 |
#include <errno.h> |
21 | 12 |
#include <string.h> |
23 | 13 |
#include <sys/select.h> |
0 | 14 |
|
3 | 15 |
#include "main.h" |
21 | 16 |
#include "handlers.h" |
17 |
||
18 |
extern char *optarg; |
|
19 |
extern int optind, opterr, optopt; |
|
20 |
||
21 |
/* From main.h given external */ |
|
22 |
int app_stdin; |
|
23 |
int app_stdout; |
|
24 |
int app_stderr; |
|
25 |
||
26 |
struct Command_line command_line; |
|
0 | 27 |
|
38 | 28 |
static const char version[] = "0.2"; |
12 | 29 |
|
6 | 30 |
static int showhelp(const char *pname) |
31 |
{ |
|
31
c8d6b46dae2e
Changing 'st' Swiss Terminal, to 'tm', terminal mixer
lbatlle@npdl268.bpo.hp.com
parents:
29
diff
changeset
|
32 |
printf("tm v%s - terminal mixer, Copyright (C) 2007 " |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
33 |
"Lluis Batlle i Rossell\n", |
12 | 34 |
version); |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
35 |
printf("usage: %s [opts] [appcommand] [param1] [param2] ...\n", pname); |
6 | 36 |
printf(" If you give _appcommand_, it starts the application and\n"); |
38 | 37 |
printf(" serves it through a Unix socket on $SM_SOCKET or " |
38 |
"/tmp/socket-sm.UID,\n"); |
|
39 |
printf(" unless '-p' is used.\n"); |
|
40 |
printf(" Without _appcomand_, starts a the Unix socket client.\n"); |
|
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
41 |
printf("options: \n"); |
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
42 |
printf(" -h Show help.\n"); |
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
43 |
printf(" -P Run the child as connected to a pipe (default).\n"); |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
44 |
printf(" -t Run the child as connected to a terminal (raw mode in " |
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
45 |
"client).\n"); |
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
46 |
printf(" -n MAX Serve at most MAX sockets for each transport (1 default)." |
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
47 |
"\n"); |
32
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
48 |
printf(" -w The remote clients can write to the application.\n"); |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
49 |
printf(" -x The remote clients end will close app's stdin.\n"); |
38 | 50 |
printf(" -p NUM Listen to tcp port NUM for 'telnet', and not listen to " |
51 |
"any\n" |
|
52 |
" Unix socket.\n"); |
|
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
53 |
printf(" -e Echo remote input to the server terminal.\n"); |
37
b0588bddef91
Option for xterm resizing. Over max connections, close() at once.
viric@llimona
parents:
36
diff
changeset
|
54 |
printf(" -r Send xterm's resize control string to clients.\n"); |
6 | 55 |
return 0; |
56 |
} |
|
57 |
||
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
58 |
static int my_getopt(int argc, char * argv[], const char *optstring) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
59 |
{ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
60 |
char *old_getopt_env; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
61 |
static char getopt_env[100] = "POSIXLY_CORRECT=YES"; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
62 |
int res; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
63 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
64 |
old_getopt_env = getenv("POSIXLY_CORRECT"); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
65 |
putenv(getopt_env); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
66 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
67 |
res = getopt(argc, argv, optstring); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
68 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
69 |
if (old_getopt_env == 0) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
70 |
{ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
71 |
putenv("POSIXLY_CORRECT"); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
72 |
} |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
73 |
else |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
74 |
snprintf(getopt_env, sizeof getopt_env, "POSIXLY_CORRECT=%s", |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
75 |
old_getopt_env); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
76 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
77 |
return res; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
78 |
} |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
79 |
|
21 | 80 |
static void default_command_line() |
81 |
{ |
|
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
82 |
command_line.is_server = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
83 |
command_line.s_param.use_blocking_sockets = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
84 |
command_line.s_param.run_in_subterminal = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
85 |
command_line.s_param.max_served = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
86 |
command_line.s_param.serve_unix = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
87 |
command_line.s_param.serve_tcp = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
88 |
command_line.s_param.send_xterm_resize = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
89 |
command_line.s_param.client_may_close_app_stdin = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
90 |
command_line.s_param.detach = 0; |
32
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
91 |
command_line.s_param.client_can_write = 0; |
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
92 |
command_line.s_param.echo_in_local_terminal = 0; |
37
b0588bddef91
Option for xterm resizing. Over max connections, close() at once.
viric@llimona
parents:
36
diff
changeset
|
93 |
command_line.s_param.send_xterm_resize = 0; |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
94 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
95 |
command_line.tcp_port = 40000; /* Arbitrary */ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
96 |
command_line.buffer_size = 4096; /* Arbitrary */ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
97 |
get_unix_path(); /* for command_line.unix_path */ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
98 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
99 |
command_line.c_param.transport = UNIX; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
100 |
command_line.c_param.wait_until_char = -1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
101 |
command_line.c_param.raw_mode = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
102 |
command_line.c_param.server_address = 0; /* TODO: free it */ |
21 | 103 |
} |
104 |
||
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
105 |
static int parse_opts(int argc, char * argv[]) |
21 | 106 |
{ |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
107 |
int c; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
108 |
extern char *optarg; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
109 |
extern int optind, opterr, optopt; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
110 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
111 |
while(1) { |
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
112 |
c = my_getopt(argc, argv, "tp:NrdPn:c:hwxe"); |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
113 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
114 |
if (c == -1) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
115 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
116 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
117 |
switch(c) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
118 |
{ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
119 |
case 't': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
120 |
command_line.s_param.run_in_subterminal = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
121 |
command_line.c_param.raw_mode = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
122 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
123 |
case 'P': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
124 |
command_line.s_param.run_in_subterminal = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
125 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
126 |
case 'N': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
127 |
command_line.s_param.use_blocking_sockets = 0; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
128 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
129 |
case 'd': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
130 |
command_line.s_param.detach = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
131 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
132 |
case 'p': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
133 |
command_line.tcp_port = atoi(optarg); |
33 | 134 |
command_line.s_param.serve_tcp = 1; |
135 |
command_line.s_param.serve_unix = 0; |
|
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
136 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
137 |
case 'n': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
138 |
command_line.s_param.max_served = atoi(optarg); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
139 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
140 |
case 'c': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
141 |
command_line.c_param.server_address = strdup(optarg); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
142 |
break; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
143 |
case 'h': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
144 |
showhelp(argv[0]); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
145 |
exit(0); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
146 |
break; |
32
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
147 |
case 'w': |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
148 |
command_line.s_param.client_can_write = 1; |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
149 |
break; |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
150 |
case 'x': |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
151 |
command_line.s_param.client_may_close_app_stdin = 1; |
df110f784648
Added read-only clients, added stdin-close option to clients.
lbatlle@npdl268.bpo.hp.com
parents:
31
diff
changeset
|
152 |
break; |
37
b0588bddef91
Option for xterm resizing. Over max connections, close() at once.
viric@llimona
parents:
36
diff
changeset
|
153 |
case 'r': |
b0588bddef91
Option for xterm resizing. Over max connections, close() at once.
viric@llimona
parents:
36
diff
changeset
|
154 |
command_line.s_param.send_xterm_resize = 1; |
b0588bddef91
Option for xterm resizing. Over max connections, close() at once.
viric@llimona
parents:
36
diff
changeset
|
155 |
break; |
36
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
156 |
case 'e': |
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
157 |
command_line.s_param.echo_in_local_terminal = 1; |
da427c23d755
Added dumps, telnet_filter, applied filters in tm, improved telnet experience.
viric@llimona
parents:
34
diff
changeset
|
158 |
break; |
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
159 |
case '?': |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
160 |
error("Wrong option %c.\n", optopt); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
161 |
} |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
162 |
} |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
163 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
164 |
if (command_line.s_param.use_blocking_sockets == 0) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
165 |
not_implemented("Not using blocking sockets."); |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
166 |
|
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
167 |
if (optind < argc) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
168 |
{ |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
169 |
command_line.is_server = 1; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
170 |
command_line.s_param.command = &argv[optind]; |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
171 |
} |
21 | 172 |
return 0; |
173 |
} |
|
174 |
||
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
175 |
int main(int argc, char * argv[]) |
1 | 176 |
{ |
177 |
int res; |
|
21 | 178 |
|
179 |
default_command_line(); |
|
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
180 |
parse_opts(argc, argv); |
34 | 181 |
init_stream_buffers(); |
21 | 182 |
|
29
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
183 |
if (command_line.is_server) |
91286c3ecebc
Added getopt, and some things got based on parameters.
viric@llimona
parents:
23
diff
changeset
|
184 |
res = server(); |
1 | 185 |
else |
186 |
res = client(); |
|
187 |
return res; |
|
188 |
} |