X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.h;h=15412586583ae9398090f98a8bfee83b59a09d59;hp=c4412b2fe1040f26f96b023c168b2aa96f50e3c3;hb=8ea8abb73199b32fdd7afdf8825afa42ed8de244;hpb=7a0852896a75d852dbd2ac848ec5c0be3b5dea71 diff --git a/net.h b/net.h index c4412b2f..15412586 100644 --- a/net.h +++ b/net.h @@ -1,8 +1,9 @@ /* - * Copyright (C) 2006-2007 Andre Noll + * Copyright (C) 2006-2009 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ +#include /** \file net.h exported symbols from net.c */ @@ -24,11 +25,49 @@ #endif /** \endcond */ + +/** + * Functions to parse and validate (parts of) URLs. + */ +extern char *parse_cidr(const char *cidr, + char *addr, ssize_t addrlen, int32_t *netmask); +extern char *parse_url(const char *url, + char *host, ssize_t hostlen, int32_t *port); +/** + * Ensure that string conforms to the IPv4 address format. + * + * \param address The address string to check. + * + * \return 1 if \a address conforms to the IPv4 address format, else 0. + */ +_static_inline_ bool is_valid_ipv4_address(const char *address) +{ + struct in_addr test_it; + + return inet_pton(AF_INET, address, &test_it) != 0; +} + +/** + * Ensure that string conforms to IPv6 address format. + * + * \param address The address string to check. + * + * \return 1 if string has a valid IPv6 address syntax, 0 if not. + * \sa RFC 4291 + */ +_static_inline_ bool is_valid_ipv6_address(const char *address) +{ + struct in6_addr test_it; + + return inet_pton(AF_INET6, address, &test_it) != 0; +} + /** * Generic socket creation (passive and active sockets). */ extern int makesock(unsigned l3type, unsigned l4type, int passive, const char *host, unsigned short port_number); +extern struct in_addr extract_v4_addr(const struct sockaddr_storage *ss); /** * Functions to support listening sockets. @@ -38,19 +77,16 @@ extern int makesock(unsigned l3type, unsigned l4type, int passive, extern int para_listen(unsigned l3type, unsigned l4type, unsigned short port); /** Pretty-printing of IPv4/6 socket addresses */ -extern char *host_and_port(struct sockaddr *sa, socklen_t len); extern char *local_name(int sockfd); extern char *remote_name(int sockfd); -/** 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); - -int send_buffer(int, const char *); int send_bin_buffer(int, const char *, size_t); +int send_buffer(int, const char *); __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 recv_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); @@ -58,6 +94,3 @@ int create_remote_socket(const char *name); 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); -void enable_crypt(int fd, crypt_function *recv_f, crypt_function *send_f, - void *private_data); -void disable_crypt(int fd);