From patchwork Sat Dec 8 15:17:03 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 204668 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 099DE2C022F for ; Sun, 9 Dec 2012 02:17:24 +1100 (EST) Received: from localhost ([::1]:51025 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ThM9a-0004hF-3k for incoming@patchwork.ozlabs.org; Sat, 08 Dec 2012 10:17:22 -0500 Received: from eggs.gnu.org ([208.118.235.92]:42018) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ThM9S-0004gN-LB for qemu-devel@nongnu.org; Sat, 08 Dec 2012 10:17:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ThM9R-0006ax-G2 for qemu-devel@nongnu.org; Sat, 08 Dec 2012 10:17:14 -0500 Received: from smtp6-g21.free.fr ([2a01:e0c:1:1599::15]:56730) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ThM9Q-0006ar-SW for qemu-devel@nongnu.org; Sat, 08 Dec 2012 10:17:13 -0500 Received: from localhost.localdomain (unknown [78.238.229.36]) by smtp6-g21.free.fr (Postfix) with ESMTP id 859C0822EE; Sat, 8 Dec 2012 16:17:06 +0100 (CET) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Sat, 8 Dec 2012 16:17:03 +0100 Message-Id: <1354979824-18788-1-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 1.7.10.4 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a01:e0c:1:1599::15 Cc: Riku Voipio , Laurent Vivier Subject: [Qemu-devel] [PATCH] linux-user: convert /proc/net/route when endianess differs between target and host. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Laurent Vivier --- linux-user/syscall.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index e4291ed..0415135 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5085,6 +5085,45 @@ static int open_self_auxv(void *cpu_env, int fd) return 0; } +#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) +static int open_net_route(void *cpu_env, int fd) +{ + FILE *fp; + char *line = NULL; + size_t len = 0; + ssize_t read; + + fp = fopen("/proc/net/route", "r"); + if (fp == NULL) { + return -EACCES; + } + + /* read header */ + + read = getline(&line, &len, fp); + dprintf(fd, "%s", line); + + /* read routes */ + + while ((read = getline(&line, &len, fp)) != -1) { + char iface[16]; + uint32_t dest, gw, mask; + unsigned int flags, refcnt, use, metric, mtu, window, irtt; + sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", + iface, &dest, &gw, &flags, &refcnt, &use, &metric, + &mask, &mtu, &window, &irtt); + dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", + iface, tswap32(dest), tswap32(gw), flags, refcnt, use, + metric, tswap32(mask), mtu, window, irtt); + } + + free(line); + fclose(fp); + + return 0; +} +#endif + static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) { struct fake_open { @@ -5096,6 +5135,9 @@ static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) { "/proc/self/maps", open_self_maps }, { "/proc/self/stat", open_self_stat }, { "/proc/self/auxv", open_self_auxv }, +#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) + { "/proc/net/route", open_net_route }, +#endif { NULL, NULL } };