X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.h;h=d42031e84b4f68c3ef79905f5c99c76b3d5ea3dc;hp=ebb3983ab7e4b09d32ca5f36a7872b397d3ebb0a;hb=74cfed2536a16ca85bc0ce97f6bf307c96ae0d3d;hpb=2ed89c59f0efcd0a2763f47c7d3455663241e623 diff --git a/net.h b/net.h index ebb3983a..d42031e8 100644 --- a/net.h +++ b/net.h @@ -1,19 +1,7 @@ /* - * Copyright (C) 2006 Andre Noll + * Copyright (C) 2006-2007 Andre Noll * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file net.h exported symbols from net.c */ @@ -28,20 +16,50 @@ #define UNIX_PATH_MAX 108 #endif -struct hostent *get_host_info(char *); -int get_socket(void); +/** used to crypt the communication between para_server and para_client */ +typedef void crypt_function(unsigned long len, + const unsigned char *indata, unsigned char *outdata, void *private_data); + +#include /* hostent */ +int get_host_info(char *host, struct hostent **ret); +int get_stream_socket(int domain); void init_sockaddr(struct sockaddr_in*, int, const struct hostent*); -int para_connect(int, struct sockaddr_in *); int send_buffer(int, const char *); int send_bin_buffer(int, const char *, size_t); -int send_va_buffer(int, char *, ...); -int recv_buffer(int, char *, ssize_t); -int recv_bin_buffer(int, char *, ssize_t); -int para_accept(int, void *addr, size_t size); -int create_pf_socket(const char *, struct sockaddr_un *, int mod); +__printf_2_3 int send_va_buffer(int fd, const char *fmt, ...); +int recv_buffer(int fd, char *buf, size_t size); +int recv_bin_buffer(int fd, char *buf, size_t size); +int para_accept(int, void *addr, socklen_t size); +int create_local_socket(const char *name, struct sockaddr_un *unix_addr, + mode_t mode); int init_unix_addr(struct sockaddr_un *, const char *); -int recv_cred_buffer(int, char *, size_t, struct ucred *); +int recv_cred_buffer(int, char *, size_t); ssize_t send_cred_buffer(int, char*); int recv_pattern(int fd, const char *pattern, size_t bufsize); int init_tcp_socket(int port); +void enable_crypt(int fd, crypt_function *recv_f, crypt_function *send_f, + void *private_data); +void disable_crypt(int fd); + +/** + * A wrapper around connect(2). + * + * \param fd The file descriptor. + * \param addr The address to connect. + * \param len The size of \a addr. + * + * This should not be called directly. Always use the PARA_CONNECT macro. + * + * \return \p -E_CONNECT on errors, 1 on success. + * + * \sa connect(2), PARA_CONNECT. + */ +static inline int _para_connect(int fd, void *addr, socklen_t len) +{ + if (connect(fd, (struct sockaddr *)addr, len) == -1) + return -E_CONNECT; + return 1; +} +/** A macro for connect() which does not need a \a len parameter. */ +#define PARA_CONNECT(fd, addr) _para_connect(fd, addr, sizeof(*(addr)))