X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=0e0bddf48a8ced3fbb448677183e684d80c89684;hp=bc32b7cc7763e0e14eb27e23d1a2a64da042fba0;hb=bb2495e569fb161b42efd633eb1c471b8222b1fb;hpb=f95cc86d0c14ca4c47e5459af4bb6d1170baa9f5

diff --git a/src/net.c b/src/net.c
index bc32b7cc..0e0bddf4 100644
--- a/src/net.c
+++ b/src/net.c
@@ -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.c,v 1.35.4.68 2000/11/07 21:43:28 guus Exp $
+    $Id: net.c,v 1.35.4.71 2000/11/15 01:06:10 zarq Exp $
 */
 
 #include "config.h"
@@ -25,7 +25,8 @@
 #include <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <linux/sockios.h>
+/* SunOS really wants sys/socket.h BEFORE net/if.h */
+#include <sys/socket.h>
 #include <net/if.h>
 #include <netdb.h>
 #include <netinet/in.h>
@@ -33,15 +34,29 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/signal.h>
-#include <sys/socket.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <syslog.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
-#include <openssl/rand.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
+
+#ifdef HAVE_OPENSSL_RAND_H
+# include <openssl/rand.h>
+#else
+# include <rand.h>
+#endif
+
+#ifdef HAVE_OPENSSL_EVP_H
+# include <openssl/evp.h>
+#else
+# include <evp.h>
+#endif
+
+#ifdef HAVE_OPENSSL_ERR_H
+# include <openssl/err.h>
+#else
+# include <err.h>
+#endif
 
 #ifdef HAVE_TUNTAP
 #include LINUX_IF_TUN_H
@@ -106,10 +121,12 @@ int execute_script(const char *name)
       asprintf(&s, "NETNAME=%s", netname);
       putenv(s);	/* Don't free s! see man 3 putenv */
     }
+#ifdef HAVE_UNSETENV
   else
     {
       unsetenv("NETNAME");
     }
+#endif
 
   chdir(confbase);	/* This cannot fail since we already read config files from this directory. */
   
@@ -483,6 +500,7 @@ cp
 
   if(setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "setsockopt");
       return -1;
@@ -490,6 +508,7 @@ cp
 
   if(setsockopt(nfd, SOL_SOCKET, SO_KEEPALIVE, &one, sizeof(one)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "setsockopt");
       return -1;
@@ -498,6 +517,7 @@ cp
   flags = fcntl(nfd, F_GETFL);
   if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0)
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "fcntl");
       return -1;
@@ -507,6 +527,7 @@ cp
     {
       if(setsockopt(nfd, SOL_SOCKET, SO_KEEPALIVE, cfg->data.ptr, strlen(cfg->data.ptr)))
         {
+          close(nfd);
           syslog(LOG_ERR, _("Unable to bind listen socket to interface %s: %m"), cfg->data.ptr);
           return -1;
         }
@@ -523,12 +544,14 @@ cp
 
   if(bind(nfd, (struct sockaddr *)&a, sizeof(struct sockaddr)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("Can't bind to port %hd/tcp: %m"), port);
       return -1;
     }
 
   if(listen(nfd, 3))
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "listen");
       return -1;
@@ -549,12 +572,14 @@ int setup_vpn_in_socket(int port)
 cp
   if((nfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
     {
+      close(nfd);
       syslog(LOG_ERR, _("Creating socket failed: %m"));
       return -1;
     }
 
   if(setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "setsockopt");
       return -1;
@@ -563,6 +588,7 @@ cp
   flags = fcntl(nfd, F_GETFL);
   if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0)
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "fcntl");
       return -1;
@@ -575,6 +601,7 @@ cp
 
   if(bind(nfd, (struct sockaddr *)&a, sizeof(struct sockaddr)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("Can't bind to port %hd/udp: %m"), port);
       return -1;
     }
@@ -613,6 +640,7 @@ cp
 
   if(connect(cl->meta_socket, (struct sockaddr *)&a, sizeof(a)) == -1)
     {
+      close(cl->meta_socket);
       syslog(LOG_ERR, _("%s port %hd: %m"), cl->hostname, cl->port);
       return -1;
     }
@@ -620,6 +648,7 @@ cp
   flags = fcntl(cl->meta_socket, F_GETFL);
   if(fcntl(cl->meta_socket, F_SETFL, flags | O_NONBLOCK) < 0)
     {
+      close(cl->meta_socket);
       syslog(LOG_ERR, _("fcntl for %s port %d: %m"),
              cl->hostname, cl->port);
       return -1;
@@ -962,6 +991,7 @@ cp
 
   if(setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "setsockopt");
       return -1;
@@ -970,6 +1000,7 @@ cp
   flags = fcntl(nfd, F_GETFL);
   if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0)
     {
+      close(nfd);
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
 	     "fcntl");
       return -1;
@@ -982,6 +1013,7 @@ cp
 
   if(bind(nfd, (struct sockaddr *)&a, sizeof(struct sockaddr)))
     {
+      close(nfd);
       syslog(LOG_ERR, _("Can't bind to port %hd/udp: %m"), myself->port);
       return -1;
     }
@@ -992,6 +1024,7 @@ cp
 
   if(connect(nfd, (struct sockaddr *)&a, sizeof(a)) == -1)
     {
+      close(nfd);
       syslog(LOG_ERR, _("Connecting to %s port %d failed: %m"),
 	     cl->hostname, cl->port);
       return -1;
@@ -1000,6 +1033,7 @@ cp
   flags = fcntl(nfd, F_GETFL);
   if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0)
     {
+      close(nfd);
       syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m %s (%s)"), __FILE__, __LINE__, nfd,
              cl->name, cl->hostname);
       return -1;