along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.c,v 1.35.4.72 2000/11/15 01:28:21 zarq Exp $
+ $Id: net.c,v 1.35.4.74 2000/11/15 22:07:36 zarq Exp $
*/
#include "config.h"
-#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.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>
#include <stdio.h>
#include <syslog.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_OPENSSL_RAND_H
# include <openssl/rand.h>
#include "conf.h"
#include "connlist.h"
+#include "list.h"
#include "meta.h"
#include "net.h"
#include "netutl.h"
subnet_t mymac;
-/*
- Execute the given script.
- This function doesn't really belong here.
-*/
-int execute_script(const char *name)
+list_t *child_pids;
+
+void _execute_script(const char *name)
{
+ int error = 0;
char *scriptname;
- pid_t pid;
char *s;
- int error;
-
- if((pid = fork()) < 0)
- {
- syslog(LOG_ERR, _("System call `%s' failed: %m"),
- "fork");
- return -1;
- }
-
- if(pid)
- {
- return 0;
- }
-
- /* Child here */
-
- error = 0;
+ int fd;
if(netname)
{
exit(0);
}
+/*
+ Execute the given script.
+ This function doesn't really belong here.
+*/
+int execute_script(const char *name)
+{
+ pid_t pid;
+
+ if((pid = fork()) < 0)
+ {
+ syslog(LOG_ERR, _("System call `%s' failed: %m"),
+ "fork");
+ return -1;
+ }
+
+ if(pid)
+ {
+ list_append(child_pids, pid);
+ return 0;
+ }
+
+ /* Child here */
+
+ _execute_script(name);
+}
+
+int check_child(void *data)
+{
+ pid_t pid;
+ int status;
+
+ pid = (pid_t) data;
+ pid = waitpid(pid, &status, WNOHANG);
+ if(WIFEXITED(status))
+ {
+ if(WIFSIGNALED(status)) /* Child was killed by a signal */
+ {
+ syslog(LOG_ERR, _("Child with PID %d was killed by signal %d (%s)"),
+ pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
+ return -1;
+ }
+ if(WEXITSTATUS(status) != 0)
+ {
+ syslog(LOG_INFO, _("Child with PID %d exited with code %d"),
+ WEXITSTATUS(status));
+ }
+ return -1;
+ }
+}
+
+void check_children(void)
+{
+ list_forall_nodes(child_pids, check_child);
+}
+
int xsend(conn_list_t *cl, vpn_packet_t *inpkt)
{
vpn_packet_t outpkt;
myself->status.active = 1;
syslog(LOG_NOTICE, _("Ready: listening on port %hd"), myself->port);
+
+ child_pids = list_new();
cp
return 0;
}
cp
p = new_conn_list();
- if(getpeername(sfd, &ci, &len) < 0)
+ if(getpeername(sfd, (struct sockaddr *) &ci, (socklen_t *) &len) < 0)
{
syslog(LOG_ERR, _("System call `%s' failed: %m"),
"getpeername");
if(FD_ISSET(tap_fd, &fset))
handle_tap_input();
}
+
+ check_children();
}
cp
}