From patchwork Tue Jul 6 20:35:10 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 110499 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o66KYU8u029554 for ; Tue, 6 Jul 2010 20:35:14 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754508Ab0GFUfO (ORCPT ); Tue, 6 Jul 2010 16:35:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35040 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753031Ab0GFUfN (ORCPT ); Tue, 6 Jul 2010 16:35:13 -0400 Received: from int-mx05.intmail.prod.int.phx2.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.18]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o66KZBn8017831 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 6 Jul 2010 16:35:11 -0400 Received: from tlielax.poochiereds.net (vpn-10-175.rdu.redhat.com [10.11.10.175]) by int-mx05.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o66KZAaF020121; Tue, 6 Jul 2010 16:35:10 -0400 From: Jeff Layton To: smfrench@gmail.com Cc: linux-cifs@vger.kernel.org Subject: [PATCH] cifs: set the port in sockaddr in a more clearly defined fashion Date: Tue, 6 Jul 2010 16:35:10 -0400 Message-Id: <1278448510-13199-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.18 Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Tue, 06 Jul 2010 20:35:14 +0000 (UTC) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index fb6318b..2eaebbd 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -86,7 +86,9 @@ extern unsigned int smbCalcSize(struct smb_hdr *ptr); extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr); extern int decode_negTokenInit(unsigned char *security_blob, int length, struct TCP_Server_Info *server); -extern int cifs_convert_address(char *src, void *dst); +extern int cifs_convert_address(struct sockaddr *dst, char *src); +extern int cifs_fill_sockaddr(struct sockaddr *dst, char *src, + unsigned short int port); extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr); extern void header_assemble(struct smb_hdr *, char /* command */ , const struct cifsTconInfo *, int /* length of diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 2208f06..05133aa 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1381,7 +1381,7 @@ cifs_parse_mount_options(char *options, const char *devname, } static struct TCP_Server_Info * -cifs_find_tcp_session(struct sockaddr_storage *addr, unsigned short int port) +cifs_find_tcp_session(struct sockaddr_storage *addr) { struct list_head *tmp; struct TCP_Server_Info *server; @@ -1405,7 +1405,6 @@ cifs_find_tcp_session(struct sockaddr_storage *addr, unsigned short int port) case AF_INET: if (addr4->sin_addr.s_addr == server->addr.sockAddr.sin_addr.s_addr) { - addr4->sin_port = htons(port); /* user overrode default port? */ if (addr4->sin_port) { if (addr4->sin_port != @@ -1421,7 +1420,6 @@ cifs_find_tcp_session(struct sockaddr_storage *addr, unsigned short int port) &server->addr.sockAddr6.sin6_addr) && (addr6->sin6_scope_id == server->addr.sockAddr6.sin6_scope_id)) { - addr6->sin6_port = htons(port); /* user overrode default port? */ if (addr6->sin6_port) { if (addr6->sin6_port != @@ -1479,7 +1477,9 @@ cifs_get_tcp_session(struct smb_vol *volume_info) cFYI(1, "UNC: %s ip: %s", volume_info->UNC, volume_info->UNCip); if (volume_info->UNCip && volume_info->UNC) { - rc = cifs_convert_address(volume_info->UNCip, &addr); + rc = cifs_fill_sockaddr((struct sockaddr *)&addr, + volume_info->UNCip, + volume_info->port); if (!rc) { /* we failed translating address */ rc = -EINVAL; @@ -1499,7 +1499,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info) } /* see if we already have a matching tcp_ses */ - tcp_ses = cifs_find_tcp_session(&addr, volume_info->port); + tcp_ses = cifs_find_tcp_session(&addr); if (tcp_ses) return tcp_ses; @@ -1543,12 +1543,10 @@ cifs_get_tcp_session(struct smb_vol *volume_info) cFYI(1, "attempting ipv6 connect"); /* BB should we allow ipv6 on port 139? */ /* other OS never observed in Wild doing 139 with v6 */ - sin_server6->sin6_port = htons(volume_info->port); memcpy(&tcp_ses->addr.sockAddr6, sin_server6, sizeof(struct sockaddr_in6)); rc = ipv6_connect(tcp_ses); } else { - sin_server->sin_port = htons(volume_info->port); memcpy(&tcp_ses->addr.sockAddr, sin_server, sizeof(struct sockaddr_in)); rc = ipv4_connect(tcp_ses); diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c index 4db2c5e..22afe38 100644 --- a/fs/cifs/dns_resolve.c +++ b/fs/cifs/dns_resolve.c @@ -40,7 +40,7 @@ is_ip(char *name) { struct sockaddr_storage ss; - return cifs_convert_address(name, &ss); + return cifs_convert_address((struct sockaddr *)&ss, name); } static int diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index d35d528..3489468 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -164,7 +164,7 @@ cifs_inet_pton(const int address_family, const char *cp, void *dst) * Returns 0 on failure. */ int -cifs_convert_address(char *src, void *dst) +cifs_convert_address(struct sockaddr *dst, char *src) { int rc; char *pct, *endp; @@ -201,6 +201,27 @@ cifs_convert_address(char *src, void *dst) return rc; } +int +cifs_fill_sockaddr(struct sockaddr *dst, char *src, + const unsigned short int port) +{ + if (!cifs_convert_address(dst, src)) + return 0; + + switch (dst->sa_family) { + case AF_INET: + ((struct sockaddr_in *)dst)->sin_port = htons(port); + break; + case AF_INET6: + ((struct sockaddr_in6 *)dst)->sin6_port = htons(port); + break; + default: + return 0; + } + + return 1; +} + /***************************************************************************** convert a NT status code to a dos class/code *****************************************************************************/