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1/*
2 * command structure borrowed from udev
3 * (git://git.kernel.org/pub/scm/linux/hotplug/udev.git)
4 *
5 * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
6 * 2005-2007 Takahiro Hirofuchi
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, see <http://www.gnu.org/licenses/>.
20 */
21
22#include <stdio.h>
23#include <stdlib.h>
24
25#include <getopt.h>
26#include <syslog.h>
27
28#include "usbip_common.h"
29#include "usbip_network.h"
30#include "usbip.h"
31
32static int usbip_help(int argc, char *argv[]);
33static int usbip_version(int argc, char *argv[]);
34
35static const char usbip_version_string[] = PACKAGE_STRING;
36
37static const char usbip_usage_string[] =
38 "usbip [--debug] [--log] [--tcp-port PORT] [version]\n"
39 " [help] <command> <args>\n";
40
41static void usbip_usage(void)
42{
43 printf("usage: %s", usbip_usage_string);
44}
45
46struct command {
47 const char *name;
48 int (*fn)(int argc, char *argv[]);
49 const char *help;
50 void (*usage)(void);
51};
52
53static const struct command cmds[] = {
54 {
55 .name = "help",
56 .fn = usbip_help,
57 .help = NULL,
58 .usage = NULL
59 },
60 {
61 .name = "version",
62 .fn = usbip_version,
63 .help = NULL,
64 .usage = NULL
65 },
66 {
67 .name = "attach",
68 .fn = usbip_attach,
69 .help = "Attach a remote USB device",
70 .usage = usbip_attach_usage
71 },
72 {
73 .name = "detach",
74 .fn = usbip_detach,
75 .help = "Detach a remote USB device",
76 .usage = usbip_detach_usage
77 },
78 {
79 .name = "list",
80 .fn = usbip_list,
81 .help = "List exportable or local USB devices",
82 .usage = usbip_list_usage
83 },
84 {
85 .name = "bind",
86 .fn = usbip_bind,
87 .help = "Bind device to " USBIP_HOST_DRV_NAME ".ko",
88 .usage = usbip_bind_usage
89 },
90 {
91 .name = "unbind",
92 .fn = usbip_unbind,
93 .help = "Unbind device from " USBIP_HOST_DRV_NAME ".ko",
94 .usage = usbip_unbind_usage
95 },
96 {
97 .name = "port",
98 .fn = usbip_port_show,
99 .help = "Show imported USB devices",
100 .usage = NULL
101 },
102 { NULL, NULL, NULL, NULL }
103};
104
105static int usbip_help(int argc, char *argv[])
106{
107 const struct command *cmd;
108 int i;
109 int ret = 0;
110
111 if (argc > 1 && argv++) {
112 for (i = 0; cmds[i].name != NULL; i++)
113 if (!strcmp(cmds[i].name, argv[0]) && cmds[i].usage) {
114 cmds[i].usage();
115 goto done;
116 }
117 ret = -1;
118 }
119
120 usbip_usage();
121 printf("\n");
122 for (cmd = cmds; cmd->name != NULL; cmd++)
123 if (cmd->help != NULL)
124 printf(" %-10s %s\n", cmd->name, cmd->help);
125 printf("\n");
126done:
127 return ret;
128}
129
130static int usbip_version(int argc, char *argv[])
131{
132 (void) argc;
133 (void) argv;
134
135 printf(PROGNAME " (%s)\n", usbip_version_string);
136 return 0;
137}
138
139static int run_command(const struct command *cmd, int argc, char *argv[])
140{
141 dbg("running command: `%s'", cmd->name);
142 return cmd->fn(argc, argv);
143}
144
145int main(int argc, char *argv[])
146{
147 static const struct option opts[] = {
148 { "debug", no_argument, NULL, 'd' },
149 { "log", no_argument, NULL, 'l' },
150 { "tcp-port", required_argument, NULL, 't' },
151 { NULL, 0, NULL, 0 }
152 };
153
154 char *cmd;
155 int opt;
156 int i, rc = -1;
157
158 usbip_use_stderr = 1;
159 opterr = 0;
160 for (;;) {
161 opt = getopt_long(argc, argv, "+dlt:", opts, NULL);
162
163 if (opt == -1)
164 break;
165
166 switch (opt) {
167 case 'd':
168 usbip_use_debug = 1;
169 break;
170 case 'l':
171 usbip_use_syslog = 1;
172 openlog("", LOG_PID, LOG_USER);
173 break;
174 case 't':
175 usbip_setup_port_number(optarg);
176 break;
177 case '?':
178 printf("usbip: invalid option\n");
179 default:
180 usbip_usage();
181 goto out;
182 }
183 }
184
185 cmd = argv[optind];
186 if (cmd) {
187 for (i = 0; cmds[i].name != NULL; i++)
188 if (!strcmp(cmds[i].name, cmd)) {
189 argc -= optind;
190 argv += optind;
191 optind = 0;
192 rc = run_command(&cmds[i], argc, argv);
193 goto out;
194 }
195 }
196
197 /* invalid command */
198 usbip_help(0, NULL);
199out:
200 return (rc > -1 ? EXIT_SUCCESS : EXIT_FAILURE);
201}
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * command structure borrowed from udev
4 * (git://git.kernel.org/pub/scm/linux/hotplug/udev.git)
5 *
6 * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
7 * 2005-2007 Takahiro Hirofuchi
8 */
9
10#include <stdio.h>
11#include <stdlib.h>
12
13#include <getopt.h>
14#include <syslog.h>
15
16#include "usbip_common.h"
17#include "usbip_network.h"
18#include "usbip.h"
19
20static int usbip_help(int argc, char *argv[]);
21static int usbip_version(int argc, char *argv[]);
22
23static const char usbip_version_string[] = PACKAGE_STRING;
24
25static const char usbip_usage_string[] =
26 "usbip [--debug] [--log] [--tcp-port PORT] [version]\n"
27 " [help] <command> <args>\n";
28
29static void usbip_usage(void)
30{
31 printf("usage: %s", usbip_usage_string);
32}
33
34struct command {
35 const char *name;
36 int (*fn)(int argc, char *argv[]);
37 const char *help;
38 void (*usage)(void);
39};
40
41static const struct command cmds[] = {
42 {
43 .name = "help",
44 .fn = usbip_help,
45 .help = NULL,
46 .usage = NULL
47 },
48 {
49 .name = "version",
50 .fn = usbip_version,
51 .help = NULL,
52 .usage = NULL
53 },
54 {
55 .name = "attach",
56 .fn = usbip_attach,
57 .help = "Attach a remote USB device",
58 .usage = usbip_attach_usage
59 },
60 {
61 .name = "detach",
62 .fn = usbip_detach,
63 .help = "Detach a remote USB device",
64 .usage = usbip_detach_usage
65 },
66 {
67 .name = "list",
68 .fn = usbip_list,
69 .help = "List exportable or local USB devices",
70 .usage = usbip_list_usage
71 },
72 {
73 .name = "bind",
74 .fn = usbip_bind,
75 .help = "Bind device to " USBIP_HOST_DRV_NAME ".ko",
76 .usage = usbip_bind_usage
77 },
78 {
79 .name = "unbind",
80 .fn = usbip_unbind,
81 .help = "Unbind device from " USBIP_HOST_DRV_NAME ".ko",
82 .usage = usbip_unbind_usage
83 },
84 {
85 .name = "port",
86 .fn = usbip_port_show,
87 .help = "Show imported USB devices",
88 .usage = NULL
89 },
90 { NULL, NULL, NULL, NULL }
91};
92
93static int usbip_help(int argc, char *argv[])
94{
95 const struct command *cmd;
96 int i;
97 int ret = 0;
98
99 if (argc > 1 && argv++) {
100 for (i = 0; cmds[i].name != NULL; i++)
101 if (!strcmp(cmds[i].name, argv[0]) && cmds[i].usage) {
102 cmds[i].usage();
103 goto done;
104 }
105 ret = -1;
106 }
107
108 usbip_usage();
109 printf("\n");
110 for (cmd = cmds; cmd->name != NULL; cmd++)
111 if (cmd->help != NULL)
112 printf(" %-10s %s\n", cmd->name, cmd->help);
113 printf("\n");
114done:
115 return ret;
116}
117
118static int usbip_version(int argc, char *argv[])
119{
120 (void) argc;
121 (void) argv;
122
123 printf(PROGNAME " (%s)\n", usbip_version_string);
124 return 0;
125}
126
127static int run_command(const struct command *cmd, int argc, char *argv[])
128{
129 dbg("running command: `%s'", cmd->name);
130 return cmd->fn(argc, argv);
131}
132
133int main(int argc, char *argv[])
134{
135 static const struct option opts[] = {
136 { "debug", no_argument, NULL, 'd' },
137 { "log", no_argument, NULL, 'l' },
138 { "tcp-port", required_argument, NULL, 't' },
139 { NULL, 0, NULL, 0 }
140 };
141
142 char *cmd;
143 int opt;
144 int i, rc = -1;
145
146 usbip_use_stderr = 1;
147 opterr = 0;
148 for (;;) {
149 opt = getopt_long(argc, argv, "+dlt:", opts, NULL);
150
151 if (opt == -1)
152 break;
153
154 switch (opt) {
155 case 'd':
156 usbip_use_debug = 1;
157 break;
158 case 'l':
159 usbip_use_syslog = 1;
160 openlog("", LOG_PID, LOG_USER);
161 break;
162 case 't':
163 usbip_setup_port_number(optarg);
164 break;
165 case '?':
166 printf("usbip: invalid option\n");
167 /* Terminate after printing error */
168 /* FALLTHRU */
169 default:
170 usbip_usage();
171 goto out;
172 }
173 }
174
175 cmd = argv[optind];
176 if (cmd) {
177 for (i = 0; cmds[i].name != NULL; i++)
178 if (!strcmp(cmds[i].name, cmd)) {
179 argc -= optind;
180 argv += optind;
181 optind = 0;
182 rc = run_command(&cmds[i], argc, argv);
183 goto out;
184 }
185 }
186
187 /* invalid command */
188 usbip_help(0, NULL);
189out:
190 return (rc > -1 ? EXIT_SUCCESS : EXIT_FAILURE);
191}