X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftincctl.c;h=7d27341effe7f21f397f10ef32761decc9426420;hb=9708bbfa8e3094de8932a30b1d24c661558d8a03;hp=98f4a1b9093b2d792b3cbbda8160b9244b80d528;hpb=ab4d289fafd1d391583935ab4c306f1f508ea1d0;p=tinc diff --git a/src/tincctl.c b/src/tincctl.c index 98f4a1b9..7d27341e 100644 --- a/src/tincctl.c +++ b/src/tincctl.c @@ -24,6 +24,7 @@ #include "xalloc.h" #include "protocol.h" #include "control_common.h" +#include "ecdsagen.h" #include "rsagen.h" #include "utils.h" #include "tincctl.h" @@ -77,7 +78,9 @@ static void usage(bool status) { " restart Restart tincd.\n" " reload Reload configuration of running tincd.\n" " pid Show PID of currently running tincd.\n" - " generate-keys [bits] Generate a new public/private keypair.\n" + " generate-keys [bits] Generate new RSA and ECDSA public/private keypairs.\n" + " generate-rsa-keys [bits] Generate a new RSA public/private keypair.\n" + " generate-ecdsa-keys Generate a new ECDSA public/private keypair.\n" " dump Dump a list of one of the following things:\n" " nodes - all known nodes in the VPN\n" " edges - all known connections in the VPN\n" @@ -191,11 +194,70 @@ FILE *ask_and_open(const char *filename, const char *what, const char *mode) { return r; } +/* + Generate a public/private ECDSA keypair, and ask for a file to store + them in. +*/ +static bool ecdsa_keygen() { + ecdsa_t key; + FILE *f; + char *filename; + + fprintf(stderr, "Generating ECDSA keypair:\n"); + + if(!ecdsa_generate(&key)) { + fprintf(stderr, "Error during key generation!\n"); + return false; + } else + fprintf(stderr, "Done.\n"); + + xasprintf(&filename, "%s/ecdsa_key.priv", confbase); + f = ask_and_open(filename, "private ECDSA key", "a"); + + if(!f) + return false; + +#ifdef HAVE_FCHMOD + /* Make it unreadable for others. */ + fchmod(fileno(f), 0600); +#endif + + if(ftell(f)) + fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n"); + + ecdsa_write_pem_private_key(&key, f); + + fclose(f); + free(filename); + + if(name) + xasprintf(&filename, "%s/hosts/%s", confbase, name); + else + xasprintf(&filename, "%s/ecdsa_key.pub", confbase); + + f = ask_and_open(filename, "public ECDSA key", "a"); + + if(!f) + return false; + + if(ftell(f)) + fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n"); + + char *pubkey = ecdsa_get_base64_public_key(&key); + fprintf(f, "ECDSAPublicKey = %s\n", pubkey); + free(pubkey); + + fclose(f); + free(filename); + + return true; +} + /* Generate a public/private RSA keypair, and ask for a file to store them in. */ -static bool keygen(int bits) { +static bool rsa_keygen(int bits) { rsa_t key; FILE *f; char *filename; @@ -435,8 +497,8 @@ int main(int argc, char *argv[], char *envp[]) { make_names(); if(show_version) { - printf("%s version %s (built %s %s, protocol %d)\n", PACKAGE, - VERSION, __DATE__, __TIME__, PROT_CURRENT); + printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE, + VERSION, __DATE__, __TIME__, PROT_MAJOR, PROT_MINOR); printf("Copyright (C) 1998-2009 Ivo Timmermans, Guus Sliepen and others.\n" "See the AUTHORS file for a complete list.\n\n" "tinc comes with ABSOLUTELY NO WARRANTY. This is free software,\n" @@ -459,8 +521,16 @@ int main(int argc, char *argv[], char *envp[]) { // First handle commands that don't involve connecting to a running tinc daemon. + if(!strcasecmp(argv[optind], "generate-rsa-keys")) { + return !rsa_keygen(optind > argc ? atoi(argv[optind + 1]) : 2048); + } + + if(!strcasecmp(argv[optind], "generate-ecdsa-keys")) { + return !ecdsa_keygen(); + } + if(!strcasecmp(argv[optind], "generate-keys")) { - return !keygen(optind > argc ? atoi(argv[optind + 1]) : 2048); + return !(rsa_keygen(optind > argc ? atoi(argv[optind + 1]) : 2048) && ecdsa_keygen()); } if(!strcasecmp(argv[optind], "start")) {