67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
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/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include "subcommands.h"
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const char *PROG_NAME;
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static const struct {
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const char *subcommand;
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int (*function)(int, char**);
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const char *description;
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} subcommands[] = {
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{ "show", show_main, "Shows the current configuration and device information" },
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{ "showconf", showconf_main, "Shows the current configuration of a given WireGuard interface, for use with `setconf`" },
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{ "set", set_main, "Change the current configuration, add peers, remove peers, or change peers" },
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{ "setconf", setconf_main, "Applies a configuration file to a WireGuard interface" },
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{ "addconf", setconf_main, "Appends a configuration file to a WireGuard interface" },
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{ "genkey", genkey_main, "Generates a new private key and writes it to stdout" },
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{ "genpsk", genkey_main, "Generates a new pre-shared key and writes it to stdout" },
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{ "pubkey", pubkey_main, "Reads a private key from stdin and writes a public key to stdout" }
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};
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static void show_usage(void)
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{
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fprintf(stderr, "Usage: %s <cmd> [<args>]\n\n", PROG_NAME);
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fprintf(stderr, "Available subcommands:\n");
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for (size_t i = 0; i < sizeof(subcommands) / sizeof(subcommands[0]); ++i)
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fprintf(stderr, " %s: %s\n", subcommands[i].subcommand, subcommands[i].description);
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}
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int main(int argc, char *argv[])
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{
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char *tmp = NULL;
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PROG_NAME = argv[0];
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if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help") || !strcmp(argv[1], "help"))) {
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show_usage();
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return 1;
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}
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if (argc == 1) {
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char *new_argv[] = { "show", NULL };
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return show_main(1, new_argv);
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}
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findsubcommand:
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for (size_t i = 0; i < sizeof(subcommands) / sizeof(subcommands[0]); ++i) {
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if (!strcmp(argv[1], subcommands[i].subcommand))
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return subcommands[i].function(argc - 1, argv + 1);
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}
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/* Crude way of supporting "wg wg0 show..." */
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if (!tmp && argc >= 3) {
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tmp = argv[1];
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argv[1] = argv[2];
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argv[2] = tmp;
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goto findsubcommand;
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}
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fprintf(stderr, "Invalid subcommand: `%s`\n", argv[1]);
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show_usage();
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return 1;
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}
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