privsock.h
上传用户:ig0539
上传日期:2022-05-21
资源大小:181k
文件大小:5k
- #ifndef VSF_PRIVSOCK_H
- #define VSF_PRIVSOCK_H
- struct mystr;
- struct vsf_session;
- /* priv_sock_init()
- * PURPOSE
- * Initialize the priv_sock system, by opening the communications sockets.
- *
- * PARAMETERS
- * p_sess - the current session object
- */
- void priv_sock_init(struct vsf_session* p_sess);
- /* priv_sock_close()
- * PURPOSE
- * Closes any open file descriptors relating to the priv_sock system.
- *
- * PARAMETERS
- * p_sess - the current session object
- */
- void priv_sock_close(struct vsf_session* p_sess);
- /* priv_sock_set_parent_context()
- * PURPOSE
- * Closes the child's fd, e.g. p_sess->child_fd.
- *
- * PARAMETERS
- * p_sess - the current session object
- */
- void priv_sock_set_parent_context(struct vsf_session* p_sess);
- /* priv_sock_set_child_context()
- * PURPOSE
- * Closes the parent's fd, e.g. p_sess->parent_fd.
- *
- * PARAMETERS
- * p_sess - the current session object
- */
- void priv_sock_set_child_context(struct vsf_session* p_sess);
- /* priv_sock_send_cmd()
- * PURPOSE
- * Sends a command, typically to the privileged side of the channel.
- * PARAMETERS
- * fd - the fd on which to send the command
- * cmd - the command to send
- */
- void priv_sock_send_cmd(int fd, char cmd);
- /* priv_sock_send_str()
- * PURPOSE
- * Sends a string to the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to send the string
- * p_str - the string to send
- */
- void priv_sock_send_str(int fd, const struct mystr* p_str);
- /* priv_sock_send_buf()
- * PURPOSE
- * Sends a buffer to the other side of the channel. The protocol used is the
- * same as priv_sock_send_str()
- * PARAMETERS
- * fd - the fd on which to send the buffer
- * p_buf - the buffer to send
- * len - length of the buffer
- */
- void priv_sock_send_buf(int fd, const char* p_buf, unsigned int len);
- /* priv_sock_recv_buf()
- * PURPOSE
- * Receives a buffer from the other side of the channel. The protocol used is
- * the same as priv_sock_recv_str()
- * PARAMETERS
- * fd - the fd on which to receive the buffer
- * p_buf - the buffer to write into
- * len - length of the buffer
- */
- void priv_sock_recv_buf(int fd, char* p_buf, unsigned int len);
- /* priv_sock_get_result()
- * PURPOSE
- * Receives a response, typically from the privileged side of the channel.
- * PARAMETERS
- * fd - the fd on which to receive the response
- * RETURNS
- * The response code.
- */
- char priv_sock_get_result(int fd);
- /* priv_sock_get_cmd()
- * PURPOSE
- * Receives a command, typically on the privileged side of the channel.
- * PARAMETERS
- * fd - the fd on which to receive the command.
- * RETURNS
- * The command that was sent.
- */
- char priv_sock_get_cmd(int fd);
- /* priv_sock_get_str()
- * PURPOSE
- * Receives a string from the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to receive the string
- * p_dest - where to copy the received string
- */
- void priv_sock_get_str(int fd, struct mystr* p_dest);
- /* priv_sock_send_result()
- * PURPOSE
- * Sends a command result, typically to the unprivileged side of the channel.
- * PARAMETERS
- * fd - the fd on which to send the result
- * res - the result to send
- */
- void priv_sock_send_result(int fd, char res);
- /* priv_sock_send_fd()
- * PURPOSE
- * Sends a file descriptor to the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to send the descriptor
- * send_fd - the descriptor to send
- */
- void priv_sock_send_fd(int fd, int send_fd);
- /* priv_sock_recv_fd()
- * PURPOSE
- * Receives a file descriptor from the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to receive the descriptor
- * RETURNS
- * The received file descriptor
- */
- int priv_sock_recv_fd(int fd);
- /* priv_sock_send_int()
- * PURPOSE
- * Sends an integer to the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to send the integer
- * the_int - the integer to send
- */
- void priv_sock_send_int(int fd, int the_int);
- /* priv_sock_get_int()
- * PURPOSE
- * Receives an integer from the other side of the channel.
- * PARAMETERS
- * fd - the fd on which to receive the integer
- * RETURNS
- * The integer that was sent.
- */
- int priv_sock_get_int(int fd);
- #define PRIV_SOCK_LOGIN 1
- #define PRIV_SOCK_CHOWN 2
- #define PRIV_SOCK_GET_DATA_SOCK 3
- #define PRIV_SOCK_GET_USER_CMD 4
- #define PRIV_SOCK_WRITE_USER_RESP 5
- #define PRIV_SOCK_DO_SSL_HANDSHAKE 6
- #define PRIV_SOCK_DO_SSL_CLOSE 7
- #define PRIV_SOCK_DO_SSL_READ 8
- #define PRIV_SOCK_DO_SSL_WRITE 9
- #define PRIV_SOCK_PASV_CLEANUP 10
- #define PRIV_SOCK_PASV_ACTIVE 11
- #define PRIV_SOCK_PASV_LISTEN 12
- #define PRIV_SOCK_PASV_ACCEPT 13
- #define PRIV_SOCK_RESULT_OK 1
- #define PRIV_SOCK_RESULT_BAD 2
- #endif /* VSF_PRIVSOCK_H */