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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/tools/regression/sockets/unix_cmsg/uc_common.h
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/*-

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 * Copyright (c) 2005 Andrey Simonenko

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 * Copyright (c) 2016 Maksym Sobolyev <[email protected]>

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 * All rights reserved.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 */

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struct uc_cfg {

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	int	sock_type;

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	const char *sock_type_str;

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	bool	debug;

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	const char *proc_name;

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	int	sync_fd[2][2];

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	int	serv_sock_fd;

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	bool	server_flag;

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	bool	send_data_flag;

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	struct sockaddr_un serv_addr_sun;

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	bool	send_array_flag;

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	pid_t	client_pid;

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	struct {

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		char	*buf_send;

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		char	*buf_recv;

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		size_t	buf_size;

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		u_int	msg_num;

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	} ipc_msg;

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	struct {

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		uid_t	uid;

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		uid_t	euid;

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		gid_t	gid;

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		gid_t	egid;

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		gid_t	*gid_arr;

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		int	gid_num;

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	} proc_cred;

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};

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extern struct uc_cfg uc_cfg;

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int uc_check_msghdr(const struct msghdr *msghdr, size_t size);

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int uc_check_cmsghdr(const struct cmsghdr *cmsghdr, int type, size_t size);

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void uc_output(const char *format, ...) __printflike(1, 2);

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void uc_logmsgx(const char *format, ...) __printflike(1, 2);

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void uc_dbgmsg(const char *format, ...) __printflike(1, 2);

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void uc_logmsg(const char *format, ...) __printflike(1, 2);

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void uc_vlogmsgx(const char *format, va_list ap);

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int uc_message_recv(int fd, struct msghdr *msghdr);

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int uc_message_send(int fd, const struct msghdr *msghdr);

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int uc_message_sendn(int fd, struct msghdr *msghdr);

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void uc_msghdr_init_server(struct msghdr *msghdr, struct iovec *iov,

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    void *cmsg_data, size_t cmsg_size);

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void uc_msghdr_init_client(struct msghdr *msghdr, struct iovec *iov,

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    void *cmsg_data, size_t cmsg_size, int type, size_t arr_size);

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int uc_socket_create(void);

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int uc_socket_accept(int listenfd);

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int uc_socket_close(int fd);

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int uc_socket_connect(int fd);

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int uc_sync_recv(void);

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int uc_sync_send(void);

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int uc_client_fork(void);

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void uc_client_exit(int rv);

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int uc_client_wait(void);

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int uc_check_groups(const char *gid_arr_str, const gid_t *gid_arr,

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    const char *gid_num_str, int gid_num, bool all_gids);

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int uc_check_scm_creds_cmsgcred(struct cmsghdr *cmsghdr);

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int uc_check_scm_creds_sockcred(struct cmsghdr *cmsghdr);

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