Use bools and enums where appropriate.

This commit is contained in:
Guus Sliepen 2003-07-22 20:55:21 +00:00
parent 471308e163
commit eefa28059a
40 changed files with 767 additions and 765 deletions

View file

@ -17,7 +17,7 @@
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 1.1.2.36 2003/07/18 13:45:06 guus Exp $
$Id: net_setup.c,v 1.1.2.37 2003/07/22 20:55:20 guus Exp $
*/
#include "system.h"
@ -44,7 +44,7 @@
char *myport;
int read_rsa_public_key(connection_t *c)
bool read_rsa_public_key(connection_t *c)
{
FILE *fp;
char *fname;
@ -63,56 +63,50 @@ int read_rsa_public_key(connection_t *c)
BN_hex2bn(&c->rsa_key->n, key);
BN_hex2bn(&c->rsa_key->e, "FFFF");
free(key);
return 0;
return true;
}
/* Else, check for PublicKeyFile statement and read it */
if(get_config_string
(lookup_config(c->config_tree, "PublicKeyFile"), &fname)) {
if(is_safe_path(fname)) {
fp = fopen(fname, "r");
if(get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname)) {
fp = fopen(fname, "r");
if(!fp) {
logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"),
fname, strerror(errno));
free(fname);
return -1;
}
free(fname);
c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
fclose(fp);
if(c->rsa_key)
return 0; /* Woohoo. */
/* If it fails, try PEM_read_RSA_PUBKEY. */
fp = fopen(fname, "r");
if(!fp) {
logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"),
fname, strerror(errno));
free(fname);
return -1;
}
free(fname);
c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL);
fclose(fp);
if(c->rsa_key) {
// RSA_blinding_on(c->rsa_key, NULL);
return 0;
}
logger(LOG_ERR, _("Reading RSA public key file `%s' failed: %s"),
if(!fp) {
logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"),
fname, strerror(errno));
return -1;
} else {
free(fname);
return -1;
return false;
}
free(fname);
c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
fclose(fp);
if(c->rsa_key)
return true; /* Woohoo. */
/* If it fails, try PEM_read_RSA_PUBKEY. */
fp = fopen(fname, "r");
if(!fp) {
logger(LOG_ERR, _("Error reading RSA public key file `%s': %s"),
fname, strerror(errno));
free(fname);
return false;
}
free(fname);
c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL);
fclose(fp);
if(c->rsa_key) {
// RSA_blinding_on(c->rsa_key, NULL);
return true;
}
logger(LOG_ERR, _("Reading RSA public key file `%s' failed: %s"),
fname, strerror(errno));
return false;
}
/* Else, check if a harnessed public key is in the config file */
@ -128,7 +122,7 @@ int read_rsa_public_key(connection_t *c)
free(fname);
if(c->rsa_key)
return 0;
return true;
/* Try again with PEM_read_RSA_PUBKEY. */
@ -144,14 +138,14 @@ int read_rsa_public_key(connection_t *c)
free(fname);
if(c->rsa_key)
return 0;
return true;
logger(LOG_ERR, _("No public key for %s specified!"), c->name);
return -1;
return false;
}
int read_rsa_private_key(void)
bool read_rsa_private_key(void)
{
FILE *fp;
char *fname, *key;
@ -164,7 +158,7 @@ int read_rsa_private_key(void)
BN_hex2bn(&myself->connection->rsa_key->d, key);
BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
free(key);
return 0;
return true;
}
if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
@ -177,7 +171,7 @@ int read_rsa_private_key(void)
logger(LOG_ERR, _("Error reading RSA private key file `%s': %s"),
fname, strerror(errno));
free(fname);
return -1;
return false;
}
free(fname);
@ -188,27 +182,28 @@ int read_rsa_private_key(void)
if(!myself->connection->rsa_key) {
logger(LOG_ERR, _("Reading RSA private key file `%s' failed: %s"),
fname, strerror(errno));
return -1;
return false;
}
return 0;
return true;
}
free(fname);
return -1;
return false;
}
/*
Configure node_t myself and set up the local sockets (listen only)
*/
int setup_myself(void)
bool setup_myself(void)
{
config_t *cfg;
subnet_t *subnet;
char *name, *hostname, *mode, *afname, *cipher, *digest;
char *address = NULL;
struct addrinfo hint, *ai, *aip;
int choice, err;
bool choice;
int err;
cp();
@ -224,28 +219,28 @@ int setup_myself(void)
if(!get_config_string(lookup_config(config_tree, "Name"), &name)) { /* Not acceptable */
logger(LOG_ERR, _("Name for tinc daemon required!"));
return -1;
return false;
}
if(check_id(name)) {
if(!check_id(name)) {
logger(LOG_ERR, _("Invalid name for myself!"));
free(name);
return -1;
return false;
}
myself->name = name;
myself->connection->name = xstrdup(name);
if(read_rsa_private_key())
return -1;
if(!read_rsa_private_key())
return false;
if(read_connection_config(myself->connection)) {
if(!read_connection_config(myself->connection)) {
logger(LOG_ERR, _("Cannot open host configuration file for myself!"));
return -1;
return false;
}
if(read_rsa_public_key(myself->connection))
return -1;
if(!read_rsa_public_key(myself->connection))
return false;
if(!get_config_string
(lookup_config(myself->connection->config_tree, "Port"), &myport))
@ -257,7 +252,7 @@ int setup_myself(void)
while(cfg) {
if(!get_config_subnet(cfg, &subnet))
return -1;
return false;
subnet_add(myself, subnet);
@ -274,14 +269,11 @@ int setup_myself(void)
if(choice)
myself->options |= OPTION_TCPONLY;
if(get_config_bool
(lookup_config(myself->connection->config_tree, "IndirectData"),
&choice))
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, "TCPOnly"), &choice))
if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice))
if(choice)
myself->options |= OPTION_TCPONLY;
@ -297,14 +289,14 @@ int setup_myself(void)
routing_mode = RMODE_HUB;
else {
logger(LOG_ERR, _("Invalid routing mode!"));
return -1;
return false;
}
free(mode);
} else
routing_mode = RMODE_ROUTER;
get_config_bool(lookup_config(config_tree, "PriorityInheritance"),
&priorityinheritance);
get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
#if !defined(SOL_IP) || !defined(IP_TOS)
if(priorityinheritance)
logger(LOG_WARNING, _("PriorityInheritance not supported on this platform"));
@ -313,12 +305,10 @@ int setup_myself(void)
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(myself->connection->config_tree, "MaxTimeout"), &maxtimeout)) {
if(maxtimeout <= 0) {
logger(LOG_ERR, _("Bogus maximum timeout!"));
return -1;
return false;
}
} else
maxtimeout = 900;
@ -332,7 +322,7 @@ int setup_myself(void)
addressfamily = AF_UNSPEC;
else {
logger(LOG_ERR, _("Invalid address family!"));
return -1;
return false;
}
free(afname);
}
@ -350,7 +340,7 @@ int setup_myself(void)
if(!myself->cipher) {
logger(LOG_ERR, _("Unrecognized cipher type!"));
return -1;
return false;
}
}
} else
@ -385,7 +375,7 @@ int setup_myself(void)
if(!myself->digest) {
logger(LOG_ERR, _("Unrecognized digest type!"));
return -1;
return false;
}
}
} else
@ -399,10 +389,10 @@ int setup_myself(void)
if(myself->digest) {
if(myself->maclength > myself->digest->md_size) {
logger(LOG_ERR, _("MAC length exceeds size of digest!"));
return -1;
return false;
} else if(myself->maclength < 0) {
logger(LOG_ERR, _("Bogus MAC length!"));
return -1;
return false;
}
}
} else
@ -417,7 +407,7 @@ int setup_myself(void)
&myself->compression)) {
if(myself->compression < 0 || myself->compression > 11) {
logger(LOG_ERR, _("Bogus compression level!"));
return -1;
return false;
}
} else
myself->compression = 0;
@ -428,8 +418,8 @@ int setup_myself(void)
myself->nexthop = myself;
myself->via = myself;
myself->status.active = 1;
myself->status.reachable = 1;
myself->status.active = true;
myself->status.reachable = true;
node_add(myself);
graph();
@ -450,7 +440,7 @@ int setup_myself(void)
if(err || !ai) {
logger(LOG_ERR, _("System call `%s' failed: %s"), "getaddrinfo",
gai_strerror(err));
return -1;
return false;
}
listen_sockets = 0;
@ -484,16 +474,16 @@ int setup_myself(void)
logger(LOG_NOTICE, _("Ready"));
else {
logger(LOG_ERR, _("Unable to create any listening socket!"));
return -1;
return false;
}
return 0;
return true;
}
/*
setup all initial network connections
*/
int setup_network_connections(void)
bool setup_network_connections(void)
{
char *envp[5];
int i;
@ -516,11 +506,11 @@ int setup_network_connections(void)
} else
pingtimeout = 60;
if(setup_device() < 0)
return -1;
if(!setup_device())
return false;
if(setup_myself() < 0)
return -1;
if(!setup_myself())
return false;
/* Run tinc-up script to further initialize the tap interface */
asprintf(&envp[0], "NETNAME=%s", netname ? : "");
@ -536,7 +526,7 @@ int setup_network_connections(void)
try_outgoing_connections();
return 0;
return true;
}
/*
@ -557,11 +547,11 @@ void close_network_connections(void)
if(c->outgoing)
free(c->outgoing->name), free(c->outgoing), c->outgoing = NULL;
terminate_connection(c, 0);
terminate_connection(c, false);
}
if(myself && myself->connection)
terminate_connection(myself->connection, 0);
terminate_connection(myself->connection, false);
for(i = 0; i < listen_sockets; i++) {
close(listen_socket[i].tcp);