summaryrefslogtreecommitdiffstats
path: root/usr.sbin/mopd/otherOS/loop-linux2.c
diff options
context:
space:
mode:
authormaja <maja@openbsd.org>1999-03-27 14:31:21 +0000
committermaja <maja@openbsd.org>1999-03-27 14:31:21 +0000
commit772b9441e1f8d1e24eba31ceabb1be60d8749ffb (patch)
tree97fcdbee9bdd0b836832672167f55cf8e95329f5 /usr.sbin/mopd/otherOS/loop-linux2.c
parentFix rev 1.4 (diff)
downloadwireguard-openbsd-772b9441e1f8d1e24eba31ceabb1be60d8749ffb.tar.xz
wireguard-openbsd-772b9441e1f8d1e24eba31ceabb1be60d8749ffb.zip
Upgrade to 2.5.4. Mopprobe is working again, and some linux support. -moj
Diffstat (limited to 'usr.sbin/mopd/otherOS/loop-linux2.c')
-rw-r--r--usr.sbin/mopd/otherOS/loop-linux2.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/usr.sbin/mopd/otherOS/loop-linux2.c b/usr.sbin/mopd/otherOS/loop-linux2.c
new file mode 100644
index 00000000000..d726211726b
--- /dev/null
+++ b/usr.sbin/mopd/otherOS/loop-linux2.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Mats O Jansson.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LINT
+static char rcsid[] = "$Id: loop-linux2.c,v 1.1 1999/03/27 14:31:22 maja Exp $";
+#endif
+
+#include <stdlib.h>
+#include <strings.h>
+#include <unistd.h>
+#if defined(__bsdi__) || defined(__FreeBSD__)
+#include <sys/time.h>
+#endif
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+
+#include "os.h"
+#include "common/common.h"
+#include "common/mopdef.h"
+
+int
+mopOpenRC(p, trans)
+ struct if_info *p;
+ int trans;
+{
+#ifndef NORC
+ return (*(p->iopen))(p->if_name,
+ O_RDWR,
+ MOP_K_PROTO_RC,
+ trans);
+#else
+ return -1;
+#endif
+}
+
+int
+mopOpenDL(p, trans)
+ struct if_info *p;
+ int trans;
+{
+#ifndef NODL
+ return (*(p->iopen))(p->if_name,
+ O_RDWR,
+ MOP_K_PROTO_DL,
+ trans);
+#else
+ return -1;
+#endif
+}
+
+void
+mopReadRC()
+{
+}
+
+void
+mopReadDL()
+{
+}
+
+/*
+ * The list of all interfaces that are being listened to. loop()
+ * "selects" on the descriptors in this list.
+ */
+struct if_info *iflist;
+
+void mopProcess __P((struct if_info *, u_char *));
+
+/*
+ * Loop indefinitely listening for MOP requests on the
+ * interfaces in 'iflist'.
+ */
+void
+Loop()
+{
+ u_char *buf, *bp, *ep;
+ int cc;
+ fd_set fds, listeners;
+ int bufsize = 1100, maxfd =0;
+ struct if_info *ii;
+
+/* FIXME : this is a hack, for some reason specifying an interface would
+ * cause it to fail because bufsize is an impossible number, so I added a
+ * sanity check because I'm too lazy to figure out why. -- Karl
+ */
+ if (bufsize > 1100)
+ bufsize = 64;
+
+ if (iflist == 0) {
+ syslog(LOG_ERR, "no interfaces");
+ exit(0);
+ }
+
+ buf = (u_char *) malloc((unsigned) bufsize);
+
+ if (buf == 0) {
+ syslog(LOG_ERR, "malloc: %m");
+ exit(0);
+ }
+ /*
+ * Find the highest numbered file descriptor for select().
+ * Initialize the set of descriptors to listen to.
+ */
+ FD_ZERO(&fds);
+ for (ii = iflist; ii; ii = ii->next) {
+ if (ii->fd != -1) {
+ FD_SET(ii->fd, &fds);
+ if (ii->fd > maxfd)
+ maxfd = ii->fd;
+ }
+ }
+ while (1) {
+ listeners = fds;
+ if (select(maxfd + 1, &listeners, (fd_set *) 0,
+ (fd_set *) 0, (struct timeval *) 0) < 0) {
+ syslog(LOG_ERR, "select: %m");
+ exit(0);
+ }
+ for (ii = iflist; ii; ii = ii->next) {
+ if (ii->fd != -1) {
+ if (!FD_ISSET(ii->fd, &listeners))
+ continue;
+ }
+ again:
+ cc = read(ii->fd, (char *) buf, bufsize);
+ /* Don't choke when we get ptraced */
+ if (cc < 0 && errno == EINTR)
+ goto again;
+
+ bp = buf;
+ ep = bp + cc;
+
+if(bp < ep)
+ {
+ mopProcess(ii,buf);
+ }
+
+}
+
+}
+}
+