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Fri, 21 Apr 2023 09:57:57 -0700 (PDT) From: Karim Taha To: qemu-devel@nongnu.org Cc: imp@bsdimp.com, Stacey Son , Karim Taha Subject: [PATCH v4 07/11] Signed-off-by: Karim Taha Date: Fri, 21 Apr 2023 18:53:47 +0200 Message-Id: <20230421165351.3177-8-kariem.taha2.7@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230421165351.3177-1-kariem.taha2.7@gmail.com> References: <20230421165351.3177-1-kariem.taha2.7@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=kariem.taha2.7@gmail.com; helo=mail-wr1-x434.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 The implementation of bind(2) syscall and socket related syscalls. Add bsd-user/bsd-socket.h, which contains the implementation of bind(2), and the socket related system call shims. Signed-off-by: Stacey Son Signed-off-by: Karim Taha --- bsd-user/bsd-socket.h | 61 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 bsd-user/bsd-socket.h diff --git a/bsd-user/bsd-socket.h b/bsd-user/bsd-socket.h new file mode 100644 index 0000000000..7da4cf11a0 --- /dev/null +++ b/bsd-user/bsd-socket.h @@ -0,0 +1,61 @@ +/* + * socket related system call shims + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef BSD_SOCKET_H +#define BSD_SOCKET_H + +#include +#include +#include +#include + +#include "qemu-bsd.h" + +ssize_t safe_recvfrom(int s, void *buf, size_t len, int flags, + struct sockaddr *restrict from, socklen_t *restrict fromlen); +ssize_t safe_sendto(int s, const void *buf, size_t len, int flags, + const struct sockaddr *to, socklen_t tolen); +int safe_select(int nfds, fd_set *readfs, fd_set *writefds, fd_set *exceptfds, + struct timeval *timeout); +int safe_pselect(int nfds, fd_set *restrict readfds, + fd_set *restrict writefds, fd_set *restrict exceptfds, + const struct timespec *restrict timeout, + const sigset_t *restrict newsigmask); + +/* bind(2) */ +static inline abi_long do_bsd_bind(int sockfd, abi_ulong target_addr, + socklen_t addrlen) +{ + abi_long ret; + void *addr; + + if ((int)addrlen < 0) { + return -TARGET_EINVAL; + } + + addr = alloca(addrlen + 1); + ret = target_to_host_sockaddr(addr, target_addr, addrlen); + if (is_error(ret)) { + return ret; + } + + return get_errno(bind(sockfd, addr, addrlen)); +} + +#endif /* BSD_SOCKET_H */