amneziawg-tools/src/wg.c
Jason A. Donenfeld 5b9c1d6d74 global: dual license core files as MIT for FreeBSD
To make it easier for FreeBSD to import wg(8), dual license the core
files as MIT, so that they don't have any trouble.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-06-10 19:35:38 +02:00

66 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright (C) 2015-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "subcommands.h"
#include "version.h"
const char *PROG_NAME;
static const struct {
const char *subcommand;
int (*function)(int, const char**);
const char *description;
} subcommands[] = {
{ "show", show_main, "Shows the current configuration and device information" },
{ "showconf", showconf_main, "Shows the current configuration of a given WireGuard interface, for use with `setconf'" },
{ "set", set_main, "Change the current configuration, add peers, remove peers, or change peers" },
{ "setconf", setconf_main, "Applies a configuration file to a WireGuard interface" },
{ "addconf", setconf_main, "Appends a configuration file to a WireGuard interface" },
{ "syncconf", setconf_main, "Synchronizes a configuration file to a WireGuard interface" },
{ "genkey", genkey_main, "Generates a new private key and writes it to stdout" },
{ "genpsk", genkey_main, "Generates a new preshared key and writes it to stdout" },
{ "pubkey", pubkey_main, "Reads a private key from stdin and writes a public key to stdout" }
};
static void show_usage(FILE *file)
{
fprintf(file, "Usage: %s <cmd> [<args>]\n\n", PROG_NAME);
fprintf(file, "Available subcommands:\n");
for (size_t i = 0; i < sizeof(subcommands) / sizeof(subcommands[0]); ++i)
fprintf(file, " %s: %s\n", subcommands[i].subcommand, subcommands[i].description);
fprintf(file, "You may pass `--help' to any of these subcommands to view usage.\n");
}
int main(int argc, const char *argv[])
{
PROG_NAME = argv[0];
if (argc == 2 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version") || !strcmp(argv[1], "version"))) {
printf("wireguard-tools v%s - https://git.zx2c4.com/wireguard-tools/\n", WIREGUARD_TOOLS_VERSION);
return 0;
}
if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help") || !strcmp(argv[1], "help"))) {
show_usage(stdout);
return 0;
}
if (argc == 1) {
static const char *new_argv[] = { "show", NULL };
return show_main(1, new_argv);
}
for (size_t i = 0; i < sizeof(subcommands) / sizeof(subcommands[0]); ++i) {
if (!strcmp(argv[1], subcommands[i].subcommand))
return subcommands[i].function(argc - 1, argv + 1);
}
fprintf(stderr, "Invalid subcommand: `%s'\n", argv[1]);
show_usage(stderr);
return 1;
}