return x == 0;
}
-
-FILE *ask_and_open(const char *filename, const char *what, const char *mode) {
- FILE *r;
- char *directory;
- char *fn;
-
- /* Check stdin and stdout */
- if(!isatty(0) || !isatty(1)) {
- /* Argh, they are running us from a script or something. Write
- the files to the current directory and let them burn in hell
- for ever. */
- fn = xstrdup(filename);
- } else {
- /* Ask for a file and/or directory name. */
- fprintf(stdout, _("Please enter a file to save %s to [%s]: "),
- what, filename);
- fflush(stdout);
-
- fn = readline(stdin, NULL, NULL);
-
- if(!fn) {
- fprintf(stderr, _("Error while reading stdin: %s\n"),
- strerror(errno));
- return NULL;
- }
-
- if(!strlen(fn))
- /* User just pressed enter. */
- fn = xstrdup(filename);
- }
-
-#ifdef HAVE_MINGW
- if(fn[0] != '\\' && fn[0] != '/' && !strchr(fn, ':')) {
-#else
- if(fn[0] != '/') {
-#endif
- /* The directory is a relative path or a filename. */
- char *p;
-
- directory = get_current_dir_name();
- asprintf(&p, "%s/%s", directory, fn);
- free(fn);
- free(directory);
- fn = p;
- }
-
- umask(0077); /* Disallow everything for group and other */
-
- /* Open it first to keep the inode busy */
-
- r = fopen(fn, mode);
-
- if(!r) {
- fprintf(stderr, _("Error opening file `%s': %s\n"),
- fn, strerror(errno));
- free(fn);
- return NULL;
- }
-
- free(fn);
-
- return r;
-}
#include <getopt.h>
-#include "conf.h"
#include "protocol.h"
#include "xalloc.h"
/* If nonzero, generate public/private keypair for this host/net. */
int generate_keys = 0;
-char *identname = NULL; /* program name for syslog */
-char *controlsocketname = NULL; /* pid file location */
-char *confbase = NULL;
+static char *identname = NULL; /* program name for syslog */
+static char *controlsocketname = NULL; /* pid file location */
char *netname = NULL;
-
-static int status;
+char *confbase = NULL;
static struct option const long_options[] = {
{"config", required_argument, NULL, 'c'},
" stop Stop tincd.\n"
" restart Restart tincd.\n"
" reload Reload configuration of running tincd.\n"
- " genkey [bits] Generate a new public/private keypair.\n"
+ " generate-keys [bits] Generate a new 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"
return true;
}
+FILE *ask_and_open(const char *filename, const char *what, const char *mode) {
+ FILE *r;
+ char *directory;
+ char buf[PATH_MAX];
+ char buf2[PATH_MAX];
+ size_t len;
+
+ /* Check stdin and stdout */
+ if(isatty(0) && isatty(1)) {
+ /* Ask for a file and/or directory name. */
+ fprintf(stdout, _("Please enter a file to save %s to [%s]: "),
+ what, filename);
+ fflush(stdout);
+
+ if(fgets(buf, sizeof buf, stdin) < 0) {
+ fprintf(stderr, _("Error while reading stdin: %s\n"),
+ strerror(errno));
+ return NULL;
+ }
+
+ len = strlen(buf);
+ if(len)
+ buf[--len] = 0;
+
+ if(len)
+ filename = buf;
+ }
+
+#ifdef HAVE_MINGW
+ if(filename[0] != '\\' && filename[0] != '/' && !strchr(filename, ':')) {
+#else
+ if(filename[0] != '/') {
+#endif
+ /* The directory is a relative path or a filename. */
+ directory = get_current_dir_name();
+ snprintf(buf2, sizeof buf2, "%s/%s", directory, filename);
+ filename = buf2;
+ }
+
+ umask(0077); /* Disallow everything for group and other */
+
+ /* Open it first to keep the inode busy */
+
+ r = fopen(filename, mode);
+
+ if(!r) {
+ fprintf(stderr, _("Error opening file `%s': %s\n"), filename, strerror(errno));
+ return NULL;
+ }
+
+ return r;
+}
+
/* This function prettyprints the key generation process */
static void indicator(int a, int b, void *p) {
return 0;
}
+ if(optind >= argc) {
+ fprintf(stderr, _("Not enough arguments.\n"));
+ usage(true);
+ return 1;
+ }
+
+ if(!strcasecmp(argv[optind], "generate-keys")) {
+ return !keygen(optind > argc ? atoi(argv[optind + 1]) : 1024);
+ }
+
if(strlen(controlsocketname) >= sizeof addr.sun_path) {
fprintf(stderr, _("Control socket filename too long!\n"));
return 1;
/* If nonzero, print the version on standard output and exit. */
bool show_version = false;
-/* If nonzero, generate public/private keypair for this host/net. */
-int generate_keys = 0;
-
/* If nonzero, use null ciphers and skip all key exchanges. */
bool bypass_security = false;
{"help", no_argument, NULL, 1},
{"version", no_argument, NULL, 2},
{"no-detach", no_argument, NULL, 'D'},
- {"generate-keys", optional_argument, NULL, 'K'},
{"debug", optional_argument, NULL, 'd'},
{"bypass-security", no_argument, NULL, 3},
{"mlock", no_argument, NULL, 'L'},
" -D, --no-detach Don't fork and detach.\n"
" -d, --debug[=LEVEL] Increase debug level or set it to LEVEL.\n"
" -n, --net=NETNAME Connect to net NETNAME.\n"
- " -K, --generate-keys[=BITS] Generate public/private RSA keypair.\n"
" -L, --mlock Lock tinc into main memory.\n"
" --logfile[=FILENAME] Write log entries to a logfile.\n"
" --controlsocket=FILENAME Open control socket at FILENAME.\n"
int r;
int option_index = 0;
- while((r = getopt_long(argc, argv, "c:DLd::n:K::", long_options, &option_index)) != EOF) {
+ while((r = getopt_long(argc, argv, "c:DLd::n:", long_options, &option_index)) != EOF) {
switch (r) {
case 0: /* long option */
break;
netname = xstrdup(optarg);
break;
- case 'K': /* generate public/private keypair */
- if(optarg) {
- generate_keys = atoi(optarg);
-
- if(generate_keys < 512) {
- fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"),
- optarg);
- usage(true);
- return false;
- }
-
- generate_keys &= ~7; /* Round it to bytes */
- } else
- generate_keys = 1024;
- break;
-
case 1: /* show help */
show_help = true;
break;
return true;
}
-/* This function prettyprints the key generation process */
-
-static void indicator(int a, int b, void *p)
-{
- switch (a) {
- case 0:
- fprintf(stderr, ".");
- break;
-
- case 1:
- fprintf(stderr, "+");
- break;
-
- case 2:
- fprintf(stderr, "-");
- break;
-
- case 3:
- switch (b) {
- case 0:
- fprintf(stderr, " p\n");
- break;
-
- case 1:
- fprintf(stderr, " q\n");
- break;
-
- default:
- fprintf(stderr, "?");
- }
- break;
-
- default:
- fprintf(stderr, "?");
- }
-}
-
-/*
- Generate a public/private RSA keypair, and ask for a file to store
- them in.
-*/
-static bool keygen(int bits)
-{
- RSA *rsa_key;
- FILE *f;
- char *name = NULL;
- char *filename;
-
- fprintf(stderr, _("Generating %d bits keys:\n"), bits);
- rsa_key = RSA_generate_key(bits, 0x10001, indicator, NULL);
-
- if(!rsa_key) {
- fprintf(stderr, _("Error during key generation!\n"));
- return false;
- } else
- fprintf(stderr, _("Done.\n"));
-
- asprintf(&filename, "%s/rsa_key.priv", confbase);
- f = ask_and_open(filename, _("private RSA 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"));
-
- PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
- fclose(f);
- free(filename);
-
- get_config_string(lookup_config(config_tree, "Name"), &name);
-
- if(name)
- asprintf(&filename, "%s/hosts/%s", confbase, name);
- else
- asprintf(&filename, "%s/rsa_key.pub", confbase);
-
- f = ask_and_open(filename, _("public RSA 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"));
-
- PEM_write_RSAPublicKey(f, rsa_key);
- fclose(f);
- free(filename);
-
- return true;
-}
-
/*
Set all files and paths according to netname
*/
OpenSSL_add_all_algorithms();
- if(generate_keys) {
- read_server_config();
- return !keygen(generate_keys);
- }
-
if(!read_server_config())
return 1;