along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: tincd.c,v 1.10.4.73 2003/07/17 15:06:27 guus Exp $
+ $Id: tincd.c,v 1.10.4.76 2003/07/22 20:55:20 guus Exp $
*/
#include "system.h"
#define _P1003_1B_VISIBLE
#endif
+#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
+#endif
#include <openssl/rand.h>
#include <openssl/rsa.h>
char *program_name = NULL;
/* If nonzero, display usage information and exit. */
-int show_help = 0;
+bool show_help = false;
/* If nonzero, print the version on standard output and exit. */
-int show_version = 0;
+bool show_version = false;
/* If nonzero, it will attempt to kill a running tincd and exit. */
int kill_tincd = 0;
int generate_keys = 0;
/* If nonzero, use null ciphers and skip all key exchanges. */
-int bypass_security = 0;
+bool bypass_security = false;
/* If nonzero, disable swapping for this process. */
-int do_mlock = 0;
+bool do_mlock = false;
/* If nonzero, write log entries to a separate file. */
-int use_logfile = 0;
+bool use_logfile = false;
char *identname = NULL; /* program name for syslog */
char *pidfilename = NULL; /* pid file location */
char *logfilename = NULL; /* log file location */
char **g_argv; /* a copy of the cmdline arguments */
-char **environment; /* A pointer to the environment on
- startup */
+char **environment; /* A pointer to the environment on startup */
static struct option const long_options[] = {
{"config", required_argument, NULL, 'c'},
{"kill", optional_argument, NULL, 'k'},
{"net", required_argument, NULL, 'n'},
- {"help", no_argument, &show_help, 1},
- {"version", no_argument, &show_version, 1},
- {"no-detach", no_argument, &do_detach, 0},
+ {"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, &bypass_security, 1},
- {"mlock", no_argument, &do_mlock, 1},
- {"logfile", optional_argument, NULL, 'F'},
+ {"bypass-security", no_argument, NULL, 3},
+ {"mlock", no_argument, NULL, 'L'},
+ {"logfile", optional_argument, NULL, 4},
+ {"pidfile", required_argument, NULL, 5},
{NULL, 0, NULL, 0}
};
-static void usage(int status)
+static void usage(bool status)
{
- if(status != 0)
+ if(status)
fprintf(stderr, _("Try `%s --help\' for more information.\n"),
program_name);
else {
" -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"
- " -F, --logfile[=FILENAME] Write log entries to a logfile.\n"
+ " --logfile[=FILENAME] Write log entries to a logfile.\n"
+ " --pidfile=FILENAME Write PID to FILENAME.\n"
" --help Display this help and exit.\n"
" --version Output version information and exit.\n\n"));
printf(_("Report bugs to tinc@nl.linux.org.\n"));
int r;
int option_index = 0;
- while((r = getopt_long(argc, argv, "c:DLd::k::n:K::F::", long_options, &option_index)) != EOF) {
+ while((r = getopt_long(argc, argv, "c:DLd::k::n:K::", long_options, &option_index)) != EOF) {
switch (r) {
case 0: /* long option */
break;
case 'c': /* config file */
- confbase = xmalloc(strlen(optarg) + 1);
- strcpy(confbase, optarg);
+ confbase = xstrdup(optarg);
break;
case 'D': /* no detach */
- do_detach = 0;
+ do_detach = false;
break;
case 'L': /* no detach */
- do_mlock = 1;
+ do_mlock = true;
break;
case 'd': /* inc debug level */
if(!kill_tincd) {
fprintf(stderr, _("Invalid argument `%s'; SIGNAL must be a number or one of HUP, TERM, KILL, USR1, USR2, WINCH, INT or ALRM.\n"),
optarg);
- usage(1);
+ usage(true);
}
}
} else
if(generate_keys < 512) {
fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"),
optarg);
- usage(1);
+ usage(true);
}
generate_keys &= ~7; /* Round it to bytes */
generate_keys = 1024;
break;
- case 'F': /* write log entries to a file */
- use_logfile = 1;
+ case 1: /* show help */
+ show_help = true;
+ break;
+
+ case 2: /* show version */
+ show_version = true;
+ break;
+
+ case 3: /* bypass security */
+ bypass_security = true;
+ break;
+
+ case 4: /* write log entries to a file */
+ use_logfile = true;
if(optarg)
logfilename = xstrdup(optarg);
break;
+ case 5: /* write PID to a file */
+ pidfilename = xstrdup(optarg);
+ break;
+
case '?':
- usage(1);
+ usage(true);
default:
break;
Generate a public/private RSA keypair, and ask for a file to store
them in.
*/
-static int keygen(int bits)
+static bool keygen(int bits)
{
RSA *rsa_key;
FILE *f;
if(!rsa_key) {
fprintf(stderr, _("Error during key generation!\n"));
- return -1;
+ return false;
} else
fprintf(stderr, _("Done.\n"));
- 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_safe_open(filename, _("public RSA key"), "a");
+ asprintf(&filename, "%s/rsa_key.priv", confbase);
+ f = ask_and_safe_open(filename, _("private RSA key"), true, "a");
if(!f)
- return -1;
+ 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);
+ PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
fclose(f);
free(filename);
- asprintf(&filename, "%s/rsa_key.priv", confbase);
- f = ask_and_safe_open(filename, _("private RSA key"), "a");
+ 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_safe_open(filename, _("public RSA key"), false, "a");
if(!f)
- return -1;
+ 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_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
+ PEM_write_RSAPublicKey(f, rsa_key);
fclose(f);
free(filename);
- return 0;
+ return true;
}
/*
*/
static void make_names(void)
{
- if(netname) {
- if(!pidfilename)
- asprintf(&pidfilename, LOCALSTATEDIR "/run/tinc.%s.pid", netname);
- if(!logfilename)
- asprintf(&logfilename, LOCALSTATEDIR "/log/tinc.%s.log", netname);
+ if(netname)
+ asprintf(&identname, "tinc.%s", netname);
+ else
+ identname = xstrdup("tinc");
+
+ if(!pidfilename)
+ asprintf(&pidfilename, LOCALSTATEDIR "/run/%s.pid", identname);
+
+ if(!logfilename)
+ asprintf(&logfilename, LOCALSTATEDIR "/log/%s.log", identname);
+ if(netname) {
if(!confbase)
asprintf(&confbase, "%s/tinc/%s", CONFDIR, netname);
else
logger(LOG_INFO, _("Both netname and configuration directory given, using the latter..."));
-
- if(!identname)
- asprintf(&identname, "tinc.%s", netname);
} else {
- if(!pidfilename)
- pidfilename = LOCALSTATEDIR "/run/tinc.pid";
- if(!logfilename)
- logfilename = LOCALSTATEDIR "/log/tinc.log";
-
if(!confbase)
asprintf(&confbase, "%s/tinc", CONFDIR);
-
- if(!identname)
- identname = "tinc";
}
}
}
if(show_help)
- usage(0);
+ usage(false);
if(kill_tincd)
- exit(kill_other(kill_tincd));
+ exit(!kill_other(kill_tincd));
openlogger("tinc", LOGMODE_STDERR);
if(generate_keys) {
read_server_config();
- exit(keygen(generate_keys));
+ exit(!keygen(generate_keys));
}
- if(read_server_config())
+ if(!read_server_config())
exit(1);
if(lzo_init() != LZO_E_OK) {
exit(1);
}
- if(detach())
- exit(0);
+ if(!detach())
+ exit(1);
for(;;) {
- if(!setup_network_connections()) {
+ if(setup_network_connections()) {
main_loop();
cleanup_and_exit(1);
}
projects / tinc / blobdiff