032fc7a937
hooking together multiple qemu instances into a single virtual network without needing root access. It can also be used for tunneling or other network simulation tasks. PR: ports/76874 Submitted by: Craig Boston <craig@yekse.gank.org>
107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
--- vdetaplib/vdetap.c Sat Jan 29 15:02:08 2005
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+++ vdetaplib/vdetap.c Sun Jan 30 14:05:26 2005
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@@ -2,11 +2,25 @@
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* Reseased under the GPLv2 */
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#include <stdio.h>
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+#ifndef __FreeBSD__
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#include <stdint.h>
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+#endif
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+#ifdef __FreeBSD__
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+#include <sys/types.h>
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+#include <sys/time.h>
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+#include <unistd.h>
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+#else
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#include <sys/select.h>
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+#endif
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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+#ifdef __FreeBSD__
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+#include "../vde.h"
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+#include <signal.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#endif
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#define SWITCH_MAGIC 0xfeedface
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#define BUFSIZE 2048
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@@ -21,6 +35,23 @@
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static unsigned char bufin[BUFSIZE];
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+#ifdef __FreeBSD__
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+static char *data_socket = NULL;
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+
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+static void cleanup()
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+{
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+ if(data_socket != NULL)
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+ unlink(data_socket);
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+}
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+
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+static void sig_handler(int sig)
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+{
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+ cleanup(1, NULL);
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+ signal(sig, SIG_DFL);
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+ kill(getpid(), sig);
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+}
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+#endif
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+
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static int send_fd(char *name, int fddata, struct sockaddr_un *datasock, int intno, int group)
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{
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int pid = getpid();
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@@ -28,6 +59,9 @@
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int fdctl;
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struct sockaddr_un sock;
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+#ifdef __FreeBSD__
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+ struct timeval tv;
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+#endif
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if((fdctl = socket(AF_UNIX, SOCK_STREAM, 0)) < 0){
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perror("socket");
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@@ -47,7 +81,14 @@
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req.sock.sun_family=AF_UNIX;
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memset(req.sock.sun_path, 0, sizeof(req.sock.sun_path));
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+#ifdef __FreeBSD__
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+ gettimeofday(&tv, NULL);
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+ snprintf(req.sock.sun_path, sizeof(req.sock.sun_path), "%s.%i.%li",
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+ VDEDATSOCK, pid, tv.tv_usec);
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+ data_socket = strdup(req.sock.sun_path);
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+#else
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sprintf(&req.sock.sun_path[1], "%5d-%2d", pid, intno);
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+#endif
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if(bind(fddata, (struct sockaddr *) &req.sock, sizeof(req.sock)) < 0){
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perror("bind");
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@@ -69,7 +110,7 @@
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static struct pollfd pollv[]={{0,POLLIN|POLLHUP,0},{0,POLLIN|POLLHUP,0}};
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-main(int argc,char *argv[])
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+int main(int argc,char *argv[])
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{
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int fd,fddata;
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struct sockaddr_un dataout,datain;
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@@ -96,6 +137,12 @@
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send_fd(argv[2],fddata,&dataout,0,0);
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pollv[0].fd=fd;
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pollv[1].fd=fddata;
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+
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+#ifdef __FreeBSD__
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+ if(signal(SIGINT, sig_handler) < 0) {
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+ perror("signal");
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+ }
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+#endif
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for(;;) {
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result=poll(pollv,2,-1);
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if (pollv[0].revents & POLLHUP || pollv[1].revents & POLLHUP)
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@@ -113,5 +160,7 @@
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write(fd,bufin,nx);
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}
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}
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+ cleanup(0, NULL);
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+ return 0;
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}
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