packetstorm sync

1 files changed, 112 insertions, 0 deletions

diff --git a/other/openssh-reverse/bsd-bindresvport.c b/other/openssh-reverse/bsd-bindresvport.c
new file mode 100644
index 0000000..15bb667
--- /dev/null
+++ b/other/openssh-reverse/bsd-bindresvport.c
@@ -0,0 +1,112 @@
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+
+#include "config.h"
+
+#ifndef HAVE_BINRESVPORT_AF
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: bindresvport.c,v 1.11 1999/12/17 19:22:08 deraadt Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Copyright (c) 1987 by Sun Microsystems, Inc.
+ *
+ * Portions Copyright(C) 1996, Jason Downs.  All rights reserved.
+ */
+
+#include "includes.h"
+
+#define STARTPORT 600
+#define ENDPORT (IPPORT_RESERVED - 1)
+#define NPORTS  (ENDPORT - STARTPORT + 1)
+
+/*
+ * Bind a socket to a privileged IP port
+ */
+int
+bindresvport_af(sd, sa, af)
+        int sd;
+        struct sockaddr *sa;
+        int af;
+{
+        int error;
+        struct sockaddr_storage myaddr;
+        struct sockaddr_in *sin;
+        struct sockaddr_in6 *sin6;
+        u_int16_t *portp;
+        u_int16_t port;
+        int salen;
+        int i;
+
+        if (sa == NULL) {
+                memset(&myaddr, 0, sizeof(myaddr));
+                sa = (struct sockaddr *)&myaddr;
+        }
+
+        if (af == AF_INET) {
+                sin = (struct sockaddr_in *)sa;
+                salen = sizeof(struct sockaddr_in);
+                portp = &sin->sin_port;
+        } else if (af == AF_INET6) {
+                sin6 = (struct sockaddr_in6 *)sa;
+                salen = sizeof(struct sockaddr_in6);
+                portp = &sin6->sin6_port;
+        } else {
+                errno = EPFNOSUPPORT;
+                return (-1);
+        }
+        sa->sa_family = af;
+
+        port = ntohs(*portp);
+        if (port == 0)
+                port = (arc4random() % NPORTS) + STARTPORT;
+
+        for(i = 0; i < NPORTS; i++) {
+                *portp = htons(port);
+                
+                error = bind(sd, sa, salen);
+                
+                /* Terminate on success */
+                if (error == 0)
+                        break;
+                        
+                /* Terminate on errors, except "address already in use" */
+                if ((error < 0) && !((errno == EADDRINUSE) || (errno == EINVAL)))
+                        break;
+                        
+                port++;
+                if (port > ENDPORT)
+                        port = STARTPORT;
+        }
+
+        return (error);
+}
+
+#endif /* HAVE_BINRESVPORT_AF */