Use bools and enums where appropriate.
[tinc] / src / net_socket.c
index 1b5c18f..98f5d1a 100644 (file)
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net_socket.c,v 1.1.2.26 2003/07/12 17:41:46 guus Exp $
+    $Id: net_socket.c,v 1.1.2.30 2003/07/22 20:55:20 guus Exp $
 */
 
-#include "config.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-/* SunOS really wants sys/socket.h BEFORE net/if.h,
-   and FreeBSD wants these lines below the rest. */
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#ifdef HAVE_NETINET_IN_SYSTM_H
-#include <netinet/in_systm.h>
-#endif
-#ifdef HAVE_NETINET_IP_H
-#include <netinet/ip.h>
-#endif
-#ifdef HAVE_NETINET_TCP_H
-#include <netinet/tcp.h>
-#endif
-
-#include <utils.h>
-#include <xalloc.h>
-#include <avl_tree.h>
-#include <list.h>
+#include "system.h"
 
+#include "avl_tree.h"
 #include "conf.h"
 #include "connection.h"
+#include "event.h"
+#include "logger.h"
 #include "meta.h"
 #include "net.h"
 #include "netutl.h"
-#include "process.h"
 #include "protocol.h"
-#include "subnet.h"
-#include "graph.h"
-#include "process.h"
-#include "route.h"
-#include "device.h"
-#include "event.h"
-#include "logger.h"
-
-#include "system.h"
-
-#ifndef HAVE_RAND_PSEUDO_BYTES
-#define RAND_pseudo_bytes RAND_bytes
-#endif
+#include "utils.h"
+#include "xalloc.h"
 
 int addressfamily = AF_UNSPEC;
 int maxtimeout = 900;
@@ -89,10 +48,8 @@ int setup_listen_socket(sockaddr_t *sa)
        int nfd, flags;
        char *addrstr;
        int option;
-#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
-       char *interface;
+       char *iface;
        struct ifreq ifr;
-#endif
 
        cp();
 
@@ -127,14 +84,14 @@ int setup_listen_socket(sockaddr_t *sa)
 #endif
 
        if(get_config_string
-          (lookup_config(config_tree, "BindToInterface"), &interface)) {
+          (lookup_config(config_tree, "BindToInterface"), &iface)) {
 #if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
                memset(&ifr, 0, sizeof(ifr));
-               strncpy(ifr.ifr_ifrn.ifrn_name, interface, IFNAMSIZ);
+               strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
 
                if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr))) {
                        close(nfd);
-                       logger(LOG_ERR, _("Can't bind to interface %s: %s"), interface,
+                       logger(LOG_ERR, _("Can't bind to interface %s: %s"), iface,
                                   strerror(errno));
                        return -1;
                }
@@ -168,7 +125,7 @@ int setup_vpn_in_socket(sockaddr_t *sa)
        char *addrstr;
        int option;
 #if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
-       char *interface;
+       char *iface;
        struct ifreq ifr;
 #endif
 
@@ -194,13 +151,13 @@ int setup_vpn_in_socket(sockaddr_t *sa)
 
 #if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
        if(get_config_string
-          (lookup_config(config_tree, "BindToInterface"), &interface)) {
+          (lookup_config(config_tree, "BindToInterface"), &iface)) {
                memset(&ifr, 0, sizeof(ifr));
-               strncpy(ifr.ifr_ifrn.ifrn_name, interface, IFNAMSIZ);
+               strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
 
                if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr))) {
                        close(nfd);
-                       logger(LOG_ERR, _("Can't bind to interface %s: %s"), interface,
+                       logger(LOG_ERR, _("Can't bind to interface %s: %s"), iface,
                                   strerror(errno));
                        return -1;
                }
@@ -264,7 +221,7 @@ begin:
                if(!c->outgoing->cfg) {
                        ifdebug(CONNECTIONS) logger(LOG_ERR, _("Could not set up a meta connection to %s"),
                                           c->name);
-                       c->status.remove = 1;
+                       c->status.remove = true;
                        retry_outgoing(c->outgoing);
                        return;
                }
@@ -335,7 +292,7 @@ begin:
 
        if(result == -1) {
                if(errno == EINPROGRESS) {
-                       c->status.connecting = 1;
+                       c->status.connecting = true;
                        return;
                }
 
@@ -400,7 +357,7 @@ void setup_outgoing_connection(outgoing_t *outgoing)
   accept a new tcp connect and create a
   new connection
 */
-int handle_new_meta_connection(int sock)
+bool handle_new_meta_connection(int sock)
 {
        connection_t *c;
        sockaddr_t sa;
@@ -413,7 +370,7 @@ int handle_new_meta_connection(int sock)
        if(fd < 0) {
                logger(LOG_ERR, _("Accepting a new connection failed: %s"),
                           strerror(errno));
-               return -1;
+               return false;
        }
 
        sockaddrunmap(&sa);
@@ -436,7 +393,7 @@ int handle_new_meta_connection(int sock)
        c->allow_request = ID;
        send_id(c);
 
-       return 0;
+       return true;
 }
 
 void try_outgoing_connections(void)
@@ -451,7 +408,7 @@ void try_outgoing_connections(void)
                cfg = lookup_config_next(config_tree, cfg)) {
                get_config_string(cfg, &name);
 
-               if(check_id(name)) {
+               if(!check_id(name)) {
                        logger(LOG_ERR,
                                   _("Invalid name for outgoing connection in %s line %d"),
                                   cfg->file, cfg->line);