diff options
Diffstat (limited to 'crypto/openssh/openbsd-compat/bindresvport.c')
| -rw-r--r-- | crypto/openssh/openbsd-compat/bindresvport.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/crypto/openssh/openbsd-compat/bindresvport.c b/crypto/openssh/openbsd-compat/bindresvport.c deleted file mode 100644 index 65afed1..0000000 --- a/crypto/openssh/openbsd-compat/bindresvport.c +++ /dev/null @@ -1,118 +0,0 @@ -/* This file has be substantially modified from the original OpenBSD source */ - -/* $OpenBSD: bindresvport.c,v 1.16 2005/04/01 07:44:03 otto Exp $ */ - -/* - * Copyright 1996, Jason Downs. All rights reserved. - * Copyright 1998, Theo de Raadt. All rights reserved. - * Copyright 2000, Damien Miller. 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. - * - * 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. - */ - -/* OPENBSD ORIGINAL: lib/libc/rpc/bindresvport.c */ - -#include "includes.h" - -#ifndef HAVE_BINDRESVPORT_SA -#include <sys/types.h> -#include <sys/socket.h> - -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <errno.h> -#include <string.h> - -#define STARTPORT 600 -#define ENDPORT (IPPORT_RESERVED - 1) -#define NPORTS (ENDPORT - STARTPORT + 1) - -/* - * Bind a socket to a privileged IP port - */ -int -bindresvport_sa(int sd, struct sockaddr *sa) -{ - int error, af; - struct sockaddr_storage myaddr; - struct sockaddr_in *sin; - struct sockaddr_in6 *sin6; - u_int16_t *portp; - u_int16_t port; - socklen_t salen; - int i; - - if (sa == NULL) { - memset(&myaddr, 0, sizeof(myaddr)); - sa = (struct sockaddr *)&myaddr; - - if (getsockname(sd, sa, &salen) == -1) - return -1; /* errno is correctly set */ - - af = sa->sa_family; - memset(&myaddr, 0, salen); - } else - af = sa->sa_family; - - 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; - - /* Avoid warning */ - error = -1; - - 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_BINDRESVPORT_SA */ |
