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Make sure $NAME is set correctly when executing tinc-down script.
[tinc]
/
src
/
net_setup.c
diff --git
a/src/net_setup.c
b/src/net_setup.c
index
6f7f70a
..
e0f1569
100644
(file)
--- a/
src/net_setup.c
+++ b/
src/net_setup.c
@@
-1,7
+1,7
@@
/*
net_setup.c -- Setup.
/*
net_setup.c -- Setup.
- Copyright (C) 1998-200
3 Ivo Timmermans <ivo@o2w.nl
>,
- 2000-200
3 Guus Sliepen <guus@sliepen.eu
.org>
+ Copyright (C) 1998-200
5 Ivo Timmermans <ivo@tinc-vpn.org
>,
+ 2000-200
5 Guus Sliepen <guus@tinc-vpn
.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@
-17,7
+17,7
@@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id
: net_setup.c,v 1.1.2.39 2003/07/23 22:17:31 guus Exp
$
+ $Id$
*/
#include "system.h"
*/
#include "system.h"
@@
-25,6
+25,8
@@
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
#include "avl_tree.h"
#include "conf.h"
#include "avl_tree.h"
#include "conf.h"
@@
-148,48
+150,62
@@
bool read_rsa_public_key(connection_t *c)
bool read_rsa_private_key(void)
{
FILE *fp;
bool read_rsa_private_key(void)
{
FILE *fp;
- char *fname, *key;
+ char *fname, *key, *pubkey;
+ struct stat s;
cp();
if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key)) {
cp();
if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key)) {
+ if(!get_config_string(lookup_config(myself->connection->config_tree, "PublicKey"), &pubkey)) {
+ logger(LOG_ERR, _("PrivateKey used but no PublicKey found!"));
+ return false;
+ }
myself->connection->rsa_key = RSA_new();
// RSA_blinding_on(myself->connection->rsa_key, NULL);
BN_hex2bn(&myself->connection->rsa_key->d, key);
myself->connection->rsa_key = RSA_new();
// RSA_blinding_on(myself->connection->rsa_key, NULL);
BN_hex2bn(&myself->connection->rsa_key->d, key);
+ BN_hex2bn(&myself->connection->rsa_key->n, pubkey);
BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
free(key);
BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
free(key);
+ free(pubkey);
return true;
}
if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
asprintf(&fname, "%s/rsa_key.priv", confbase);
return true;
}
if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
asprintf(&fname, "%s/rsa_key.priv", confbase);
- if(is_safe_path(fname)) {
- fp = fopen(fname, "r");
+ fp = fopen(fname, "r");
-
if(!fp) {
-
logger(LOG_ERR, _("Error reading RSA private key file `%s': %s"),
-
fname, strerror(errno));
-
free(fname);
-
return false;
-
}
+ if(!fp) {
+ logger(LOG_ERR, _("Error reading RSA private key file `%s': %s"),
+ fname, strerror(errno));
+ free(fname);
+ return false;
+ }
+#if !defined(HAVE_MINGW) && !defined(HAVE_CYGWIN)
+ if(fstat(fileno(fp), &s)) {
+ logger(LOG_ERR, _("Could not stat RSA private key file `%s': %s'"),
+ fname, strerror(errno));
free(fname);
free(fname);
- myself->connection->rsa_key =
- PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL);
- fclose(fp);
+ return false;
+ }
- if(!myself->connection->rsa_key) {
- logger(LOG_ERR, _("Reading RSA private key file `%s' failed: %s"),
- fname, strerror(errno));
- return false;
- }
+ if(s.st_mode & ~0100700)
+ logger(LOG_WARNING, _("Warning: insecure file permissions for RSA private key file `%s'!"), fname);
+#endif
- return true;
+ myself->connection->rsa_key = PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL);
+ fclose(fp);
+
+ if(!myself->connection->rsa_key) {
+ logger(LOG_ERR, _("Reading RSA private key file `%s' failed: %s"),
+ fname, strerror(errno));
+ free(fname);
+ return false;
}
free(fname);
}
free(fname);
- return
fals
e;
+ return
tru
e;
}
/*
}
/*
@@
-202,7
+218,7
@@
bool setup_myself(void)
char *name, *hostname, *mode, *afname, *cipher, *digest;
char *address = NULL;
char *envp[5];
char *name, *hostname, *mode, *afname, *cipher, *digest;
char *address = NULL;
char *envp[5];
- struct addrinfo
hint, *ai, *aip
;
+ struct addrinfo
*ai, *aip, hint = {0}
;
bool choice;
int i, err;
bool choice;
int i, err;
@@
-232,19
+248,15
@@
bool setup_myself(void)
myself->name = name;
myself->connection->name = xstrdup(name);
myself->name = name;
myself->connection->name = xstrdup(name);
- if(!read_rsa_private_key())
- return false;
-
if(!read_connection_config(myself->connection)) {
logger(LOG_ERR, _("Cannot open host configuration file for myself!"));
return false;
}
if(!read_connection_config(myself->connection)) {
logger(LOG_ERR, _("Cannot open host configuration file for myself!"));
return false;
}
- if(!read_rsa_p
ublic_key(myself->connection
))
+ if(!read_rsa_p
rivate_key(
))
return false;
return false;
- if(!get_config_string
- (lookup_config(myself->connection->config_tree, "Port"), &myport))
+ if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
asprintf(&myport, "655");
/* Read in all the subnets specified in the host configuration file */
asprintf(&myport, "655");
/* Read in all the subnets specified in the host configuration file */
@@
-262,25
+274,26
@@
bool setup_myself(void)
/* Check some options */
/* Check some options */
- if(get_config_bool(lookup_config(config_tree, "IndirectData"), &choice))
- if(choice)
- myself->options |= OPTION_INDIRECT;
+ if(get_config_bool(lookup_config(config_tree, "IndirectData"), &choice) && choice)
+ myself->options |= OPTION_INDIRECT;
- if(get_config_bool(lookup_config(config_tree, "TCPOnly"), &choice))
- if(choice)
- myself->options |= OPTION_TCPONLY;
+ if(get_config_bool(lookup_config(config_tree, "TCPOnly"), &choice) && choice)
+ myself->options |= OPTION_TCPONLY;
- if(get_config_bool(lookup_config(myself->connection->config_tree, "IndirectData"), &choice))
- if(choice)
- myself->options |= OPTION_INDIRECT;
+ if(get_config_bool(lookup_config(myself->connection->config_tree, "IndirectData"), &choice) && choice)
+ myself->options |= OPTION_INDIRECT;
+
+ if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice) && choice)
+ myself->options |= OPTION_TCPONLY;
- if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice))
- if(choice)
- myself->options |= OPTION_TCPONLY;
+ if(get_config_bool(lookup_config(myself->connection->config_tree, "PMTUDiscovery"), &choice) && choice)
+ myself->options |= OPTION_PMTU_DISCOVERY;
if(myself->options & OPTION_TCPONLY)
myself->options |= OPTION_INDIRECT;
if(myself->options & OPTION_TCPONLY)
myself->options |= OPTION_INDIRECT;
+ get_config_bool(lookup_config(config_tree, "TunnelServer"), &tunnelserver);
+
if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) {
if(!strcasecmp(mode, "router"))
routing_mode = RMODE_ROUTER;
if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) {
if(!strcasecmp(mode, "router"))
routing_mode = RMODE_ROUTER;
@@
-306,7
+319,7
@@
bool setup_myself(void)
if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
macexpire = 600;
if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
macexpire = 600;
- if(get_config_int(lookup_config(
myself->connection->
config_tree, "MaxTimeout"), &maxtimeout)) {
+ if(get_config_int(lookup_config(config_tree, "MaxTimeout"), &maxtimeout)) {
if(maxtimeout <= 0) {
logger(LOG_ERR, _("Bogus maximum timeout!"));
return false;
if(maxtimeout <= 0) {
logger(LOG_ERR, _("Bogus maximum timeout!"));
return false;
@@
-354,7
+367,7
@@
bool setup_myself(void)
myself->connection->outcipher = EVP_bf_ofb();
myself->connection->outcipher = EVP_bf_ofb();
- myself->key =
(char *)
xmalloc(myself->keylength);
+ myself->key = xmalloc(myself->keylength);
RAND_pseudo_bytes(myself->key, myself->keylength);
if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
RAND_pseudo_bytes(myself->key, myself->keylength);
if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
@@
-364,7
+377,12
@@
bool setup_myself(void)
if(myself->cipher) {
EVP_CIPHER_CTX_init(&packet_ctx);
if(myself->cipher) {
EVP_CIPHER_CTX_init(&packet_ctx);
- EVP_DecryptInit_ex(&packet_ctx, myself->cipher, NULL, myself->key, myself->key + myself->cipher->key_len);
+ if(!EVP_DecryptInit_ex(&packet_ctx, myself->cipher, NULL, myself->key, myself->key + myself->cipher->key_len)) {
+ logger(LOG_ERR, _("Error during initialisation of cipher for %s (%s): %s"),
+ myself->name, myself->hostname, ERR_error_string(ERR_get_error(), NULL));
+ return false;
+ }
+
}
/* Check if we want to use message authentication codes... */
}
/* Check if we want to use message authentication codes... */
@@
-442,9
+460,11
@@
bool setup_myself(void)
for(i = 0; i < 5; i++)
free(envp[i]);
for(i = 0; i < 5; i++)
free(envp[i]);
- /*
Open sock
ets */
+ /*
Run subnet-up scripts for our own subn
ets */
- memset(&hint, 0, sizeof(hint));
+ subnet_update(myself, NULL, true);
+
+ /* Open sockets */
get_config_string(lookup_config(config_tree, "BindToAddress"), &address);
get_config_string(lookup_config(config_tree, "BindToAddress"), &address);
@@
-514,12
+534,20
@@
bool setup_network_connections(void)
init_events();
init_requests();
init_events();
init_requests();
- if(get_config_int(lookup_config(config_tree, "Ping
Timeout"), &pingtimeout
)) {
- if(ping
timeout
< 1) {
- ping
timeout
= 86400;
+ if(get_config_int(lookup_config(config_tree, "Ping
Interval"), &pinginterval
)) {
+ if(ping
interval
< 1) {
+ ping
interval
= 86400;
}
} else
}
} else
- pingtimeout = 60;
+ pinginterval = 60;
+
+ if(!get_config_int(lookup_config(config_tree, "PingTimeout"), &pingtimeout))
+ pingtimeout = 5;
+ if(pingtimeout < 1 || pingtimeout > pinginterval)
+ pingtimeout = pinginterval;
+
+ if(!get_config_int(lookup_config(config_tree, "MaxOutputBufferSize"), &maxoutbufsize))
+ maxoutbufsize = 4 * MTU;
if(!setup_myself())
return false;
if(!setup_myself())
return false;
@@
-543,21
+571,29
@@
void close_network_connections(void)
for(node = connection_tree->head; node; node = next) {
next = node->next;
for(node = connection_tree->head; node; node = next) {
next = node->next;
- c =
(connection_t *)
node->data;
+ c = node->data;
if(c->outgoing)
free(c->outgoing->name), free(c->outgoing), c->outgoing = NULL;
terminate_connection(c, false);
}
if(c->outgoing)
free(c->outgoing->name), free(c->outgoing), c->outgoing = NULL;
terminate_connection(c, false);
}
- if(myself && myself->connection)
+ if(myself && myself->connection) {
+ subnet_update(myself, NULL, false);
terminate_connection(myself->connection, false);
terminate_connection(myself->connection, false);
+ }
for(i = 0; i < listen_sockets; i++) {
close(listen_socket[i].tcp);
close(listen_socket[i].udp);
}
for(i = 0; i < listen_sockets; i++) {
close(listen_socket[i].tcp);
close(listen_socket[i].udp);
}
+ asprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ asprintf(&envp[1], "DEVICE=%s", device ? : "");
+ asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ asprintf(&envp[3], "NAME=%s", myself->name);
+ envp[4] = NULL;
+
exit_requests();
exit_events();
exit_edges();
exit_requests();
exit_events();
exit_edges();
@@
-565,12
+601,6
@@
void close_network_connections(void)
exit_nodes();
exit_connections();
exit_nodes();
exit_connections();
- asprintf(&envp[0], "NETNAME=%s", netname ? : "");
- asprintf(&envp[1], "DEVICE=%s", device ? : "");
- asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
- asprintf(&envp[3], "NAME=%s", myself->name);
- envp[4] = NULL;
-
execute_script("tinc-down", envp);
for(i = 0; i < 4; i++)
execute_script("tinc-down", envp);
for(i = 0; i < 4; i++)