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Thu, 20 Apr 2023 22:24:23 -0700 (PDT) From: Karim Taha X-Google-Original-From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Stacey Son Subject: [PATCH 09/11] Signed-off-by: Karim Taha Date: Fri, 21 Apr 2023 07:22:53 +0200 Message-Id: <20230421052255.5603-10-krm.taha@outlook.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230421052255.5603-1-krm.taha@outlook.com> References: <20230421052255.5603-1-krm.taha@outlook.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wm1-x32c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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 From: Stacey Son added the accept(2) syscall to bsd-user/bsd-socket.h. --- bsd-user/bsd-socket.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/bsd-user/bsd-socket.h b/bsd-user/bsd-socket.h index f191f22d63..f748266730 100644 --- a/bsd-user/bsd-socket.h +++ b/bsd-user/bsd-socket.h @@ -79,4 +79,37 @@ static inline abi_long do_bsd_connect(int sockfd, abi_ulong target_addr, return get_errno(connect(sockfd, addr, addrlen)); } +/* accept(2) */ +static inline abi_long do_bsd_accept(int fd, abi_ulong target_addr, + abi_ulong target_addrlen_addr) +{ + socklen_t addrlen; + void *addr; + abi_long ret; + + if (target_addr == 0) { + return get_errno(accept(fd, NULL, NULL)); + } + /* return EINVAL if addrlen pointer is invalid */ + if (get_user_u32(addrlen, target_addrlen_addr)) { + return -TARGET_EINVAL; + } + if ((int)addrlen < 0) { + return -TARGET_EINVAL; + } + if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) { + return -TARGET_EINVAL; + } + addr = alloca(addrlen); + + ret = get_errno(accept(fd, addr, &addrlen)); + if (!is_error(ret)) { + host_to_target_sockaddr(target_addr, addr, addrlen); + if (put_user_u32(addrlen, target_addrlen_addr)) { + ret = -TARGET_EFAULT; + } + } + return ret; +} + #endif /* BSD_SOCKET_H */