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-rw-r--r--src/tools/wg.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/tools/wg.c b/src/tools/wg.c
new file mode 100644
index 0000000..d4d2965
--- /dev/null
+++ b/src/tools/wg.c
@@ -0,0 +1,66 @@
+/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "subcommands.h"
+
+const char *PROG_NAME;
+
+static const struct {
+ const char *subcommand;
+ int (*function)(int, 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" },
+ { "genkey", genkey_main, "Generates a new private key and writes it to stdout" },
+ { "genpsk", genkey_main, "Generates a new pre-shared 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(void)
+{
+ fprintf(stderr, "Usage: %s <cmd> [<args>]\n\n", PROG_NAME);
+ fprintf(stderr, "Available subcommands:\n");
+ for (size_t i = 0; i < sizeof(subcommands) / sizeof(subcommands[0]); ++i)
+ fprintf(stderr, " %s: %s\n", subcommands[i].subcommand, subcommands[i].description);
+}
+
+int main(int argc, char *argv[])
+{
+ char *tmp = NULL;
+ PROG_NAME = argv[0];
+
+ if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help") || !strcmp(argv[1], "help"))) {
+ show_usage();
+ return 1;
+ }
+
+ if (argc == 1) {
+ char *new_argv[] = { "show", NULL };
+ return show_main(1, new_argv);
+ }
+
+findsubcommand:
+ 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);
+ }
+
+ /* Crude way of supporting "wg wg0 show..." */
+ if (!tmp && argc >= 3) {
+ tmp = argv[1];
+ argv[1] = argv[2];
+ argv[2] = tmp;
+ goto findsubcommand;
+ }
+
+ fprintf(stderr, "Invalid subcommand: `%s`\n", argv[1]);
+ show_usage();
+ return 1;
+}