From 47b6881fe726c904f87aa4be059b730ef77954d0 Mon Sep 17 00:00:00 2001 From: dartraiden Date: Thu, 22 Dec 2022 16:31:20 +0300 Subject: libcurl: update to 7.87.0 --- libs/libcurl/src/hostip.h | 483 +++++++++++++++++++++++----------------------- 1 file changed, 239 insertions(+), 244 deletions(-) (limited to 'libs/libcurl/src/hostip.h') diff --git a/libs/libcurl/src/hostip.h b/libs/libcurl/src/hostip.h index 9d3170737c..69144d0272 100644 --- a/libs/libcurl/src/hostip.h +++ b/libs/libcurl/src/hostip.h @@ -1,244 +1,239 @@ -#ifndef HEADER_CURL_HOSTIP_H -#define HEADER_CURL_HOSTIP_H -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at https://curl.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * SPDX-License-Identifier: curl - * - ***************************************************************************/ - -#include "curl_setup.h" -#include "hash.h" -#include "curl_addrinfo.h" -#include "timeval.h" /* for timediff_t */ -#include "asyn.h" - -#ifdef HAVE_SETJMP_H -#include -#endif - -#ifdef NETWARE -#undef in_addr_t -#define in_addr_t unsigned long -#endif - -/* Allocate enough memory to hold the full name information structs and - * everything. OSF1 is known to require at least 8872 bytes. The buffer - * required for storing all possible aliases and IP numbers is according to - * Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes! - */ -#define CURL_HOSTENT_SIZE 9000 - -#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this - many seconds for a name resolve */ - -#define CURL_ASYNC_SUCCESS CURLE_OK - -struct addrinfo; -struct hostent; -struct Curl_easy; -struct connectdata; - -/* - * Curl_global_host_cache_init() initializes and sets up a global DNS cache. - * Global DNS cache is general badness. Do not use. This will be removed in - * a future version. Use the share interface instead! - * - * Returns a struct Curl_hash pointer on success, NULL on failure. - */ -struct Curl_hash *Curl_global_host_cache_init(void); - -struct Curl_dns_entry { - struct Curl_addrinfo *addr; - /* timestamp == 0 -- permanent CURLOPT_RESOLVE entry (doesn't time out) */ - time_t timestamp; - /* use-counter, use Curl_resolv_unlock to release reference */ - long inuse; -}; - -bool Curl_host_is_ipnum(const char *hostname); - -/* - * Curl_resolv() returns an entry with the info for the specified host - * and port. - * - * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after - * use, or we'll leak memory! - */ -/* return codes */ -enum resolve_t { - CURLRESOLV_TIMEDOUT = -2, - CURLRESOLV_ERROR = -1, - CURLRESOLV_RESOLVED = 0, - CURLRESOLV_PENDING = 1 -}; -enum resolve_t Curl_resolv(struct Curl_easy *data, - const char *hostname, - int port, - bool allowDOH, - struct Curl_dns_entry **dnsentry); -enum resolve_t Curl_resolv_timeout(struct Curl_easy *data, - const char *hostname, int port, - struct Curl_dns_entry **dnsentry, - timediff_t timeoutms); - -#ifdef ENABLE_IPV6 -/* - * Curl_ipv6works() returns TRUE if IPv6 seems to work. - */ -bool Curl_ipv6works(struct Curl_easy *data); -#else -#define Curl_ipv6works(x) FALSE -#endif - -/* - * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've - * been set and returns TRUE if they are OK. - */ -bool Curl_ipvalid(struct Curl_easy *data, struct connectdata *conn); - - -/* - * Curl_getaddrinfo() is the generic low-level name resolve API within this - * source file. There are several versions of this function - for different - * name resolve layers (selected at build-time). They all take this same set - * of arguments - */ -struct Curl_addrinfo *Curl_getaddrinfo(struct Curl_easy *data, - const char *hostname, - int port, - int *waitp); - - -/* unlock a previously resolved dns entry */ -void Curl_resolv_unlock(struct Curl_easy *data, - struct Curl_dns_entry *dns); - -/* init a new dns cache */ -void Curl_init_dnscache(struct Curl_hash *hash, int hashsize); - -/* prune old entries from the DNS cache */ -void Curl_hostcache_prune(struct Curl_easy *data); - -/* Return # of addresses in a Curl_addrinfo struct */ -int Curl_num_addresses(const struct Curl_addrinfo *addr); - -/* IPv4 threadsafe resolve function used for synch and asynch builds */ -struct Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname, int port); - -CURLcode Curl_once_resolved(struct Curl_easy *data, bool *protocol_connect); - -/* - * Curl_addrinfo_callback() is used when we build with any asynch specialty. - * Handles end of async request processing. Inserts ai into hostcache when - * status is CURL_ASYNC_SUCCESS. Twiddles fields in conn to indicate async - * request completed whether successful or failed. - */ -CURLcode Curl_addrinfo_callback(struct Curl_easy *data, - int status, - struct Curl_addrinfo *ai); - -/* - * Curl_printable_address() returns a printable version of the 1st address - * given in the 'ip' argument. The result will be stored in the buf that is - * bufsize bytes big. - */ -void Curl_printable_address(const struct Curl_addrinfo *ip, - char *buf, size_t bufsize); - -/* - * Curl_fetch_addr() fetches a 'Curl_dns_entry' already in the DNS cache. - * - * Returns the Curl_dns_entry entry pointer or NULL if not in the cache. - * - * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after - * use, or we'll leak memory! - */ -struct Curl_dns_entry * -Curl_fetch_addr(struct Curl_easy *data, - const char *hostname, - int port); - -/* - * Curl_cache_addr() stores a 'Curl_addrinfo' struct in the DNS cache. - * - * Returns the Curl_dns_entry entry pointer or NULL if the storage failed. - */ -struct Curl_dns_entry * -Curl_cache_addr(struct Curl_easy *data, struct Curl_addrinfo *addr, - const char *hostname, int port); - -#ifndef INADDR_NONE -#define CURL_INADDR_NONE (in_addr_t) ~0 -#else -#define CURL_INADDR_NONE INADDR_NONE -#endif - -#ifdef HAVE_SIGSETJMP -/* Forward-declaration of variable defined in hostip.c. Beware this - * is a global and unique instance. This is used to store the return - * address that we can jump back to from inside a signal handler. - * This is not thread-safe stuff. - */ -extern sigjmp_buf curl_jmpenv; -#endif - -/* - * Function provided by the resolver backend to set DNS servers to use. - */ -CURLcode Curl_set_dns_servers(struct Curl_easy *data, char *servers); - -/* - * Function provided by the resolver backend to set - * outgoing interface to use for DNS requests - */ -CURLcode Curl_set_dns_interface(struct Curl_easy *data, - const char *interf); - -/* - * Function provided by the resolver backend to set - * local IPv4 address to use as source address for DNS requests - */ -CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data, - const char *local_ip4); - -/* - * Function provided by the resolver backend to set - * local IPv6 address to use as source address for DNS requests - */ -CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data, - const char *local_ip6); - -/* - * Clean off entries from the cache - */ -void Curl_hostcache_clean(struct Curl_easy *data, struct Curl_hash *hash); - -/* - * Populate the cache with specified entries from CURLOPT_RESOLVE. - */ -CURLcode Curl_loadhostpairs(struct Curl_easy *data); -CURLcode Curl_resolv_check(struct Curl_easy *data, - struct Curl_dns_entry **dns); -int Curl_resolv_getsock(struct Curl_easy *data, - curl_socket_t *socks); - -CURLcode Curl_resolver_error(struct Curl_easy *data); -#endif /* HEADER_CURL_HOSTIP_H */ +#ifndef HEADER_CURL_HOSTIP_H +#define HEADER_CURL_HOSTIP_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at https://curl.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + * SPDX-License-Identifier: curl + * + ***************************************************************************/ + +#include "curl_setup.h" +#include "hash.h" +#include "curl_addrinfo.h" +#include "timeval.h" /* for timediff_t */ +#include "asyn.h" + +#ifdef HAVE_SETJMP_H +#include +#endif + +/* Allocate enough memory to hold the full name information structs and + * everything. OSF1 is known to require at least 8872 bytes. The buffer + * required for storing all possible aliases and IP numbers is according to + * Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes! + */ +#define CURL_HOSTENT_SIZE 9000 + +#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this + many seconds for a name resolve */ + +#define CURL_ASYNC_SUCCESS CURLE_OK + +struct addrinfo; +struct hostent; +struct Curl_easy; +struct connectdata; + +/* + * Curl_global_host_cache_init() initializes and sets up a global DNS cache. + * Global DNS cache is general badness. Do not use. This will be removed in + * a future version. Use the share interface instead! + * + * Returns a struct Curl_hash pointer on success, NULL on failure. + */ +struct Curl_hash *Curl_global_host_cache_init(void); + +struct Curl_dns_entry { + struct Curl_addrinfo *addr; + /* timestamp == 0 -- permanent CURLOPT_RESOLVE entry (doesn't time out) */ + time_t timestamp; + /* use-counter, use Curl_resolv_unlock to release reference */ + long inuse; +}; + +bool Curl_host_is_ipnum(const char *hostname); + +/* + * Curl_resolv() returns an entry with the info for the specified host + * and port. + * + * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after + * use, or we'll leak memory! + */ +/* return codes */ +enum resolve_t { + CURLRESOLV_TIMEDOUT = -2, + CURLRESOLV_ERROR = -1, + CURLRESOLV_RESOLVED = 0, + CURLRESOLV_PENDING = 1 +}; +enum resolve_t Curl_resolv(struct Curl_easy *data, + const char *hostname, + int port, + bool allowDOH, + struct Curl_dns_entry **dnsentry); +enum resolve_t Curl_resolv_timeout(struct Curl_easy *data, + const char *hostname, int port, + struct Curl_dns_entry **dnsentry, + timediff_t timeoutms); + +#ifdef ENABLE_IPV6 +/* + * Curl_ipv6works() returns TRUE if IPv6 seems to work. + */ +bool Curl_ipv6works(struct Curl_easy *data); +#else +#define Curl_ipv6works(x) FALSE +#endif + +/* + * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've + * been set and returns TRUE if they are OK. + */ +bool Curl_ipvalid(struct Curl_easy *data, struct connectdata *conn); + + +/* + * Curl_getaddrinfo() is the generic low-level name resolve API within this + * source file. There are several versions of this function - for different + * name resolve layers (selected at build-time). They all take this same set + * of arguments + */ +struct Curl_addrinfo *Curl_getaddrinfo(struct Curl_easy *data, + const char *hostname, + int port, + int *waitp); + + +/* unlock a previously resolved dns entry */ +void Curl_resolv_unlock(struct Curl_easy *data, + struct Curl_dns_entry *dns); + +/* init a new dns cache */ +void Curl_init_dnscache(struct Curl_hash *hash, int hashsize); + +/* prune old entries from the DNS cache */ +void Curl_hostcache_prune(struct Curl_easy *data); + +/* Return # of addresses in a Curl_addrinfo struct */ +int Curl_num_addresses(const struct Curl_addrinfo *addr); + +/* IPv4 threadsafe resolve function used for synch and asynch builds */ +struct Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname, int port); + +CURLcode Curl_once_resolved(struct Curl_easy *data, bool *protocol_connect); + +/* + * Curl_addrinfo_callback() is used when we build with any asynch specialty. + * Handles end of async request processing. Inserts ai into hostcache when + * status is CURL_ASYNC_SUCCESS. Twiddles fields in conn to indicate async + * request completed whether successful or failed. + */ +CURLcode Curl_addrinfo_callback(struct Curl_easy *data, + int status, + struct Curl_addrinfo *ai); + +/* + * Curl_printable_address() returns a printable version of the 1st address + * given in the 'ip' argument. The result will be stored in the buf that is + * bufsize bytes big. + */ +void Curl_printable_address(const struct Curl_addrinfo *ip, + char *buf, size_t bufsize); + +/* + * Curl_fetch_addr() fetches a 'Curl_dns_entry' already in the DNS cache. + * + * Returns the Curl_dns_entry entry pointer or NULL if not in the cache. + * + * The returned data *MUST* be "unlocked" with Curl_resolv_unlock() after + * use, or we'll leak memory! + */ +struct Curl_dns_entry * +Curl_fetch_addr(struct Curl_easy *data, + const char *hostname, + int port); + +/* + * Curl_cache_addr() stores a 'Curl_addrinfo' struct in the DNS cache. + * + * Returns the Curl_dns_entry entry pointer or NULL if the storage failed. + */ +struct Curl_dns_entry * +Curl_cache_addr(struct Curl_easy *data, struct Curl_addrinfo *addr, + const char *hostname, int port); + +#ifndef INADDR_NONE +#define CURL_INADDR_NONE (in_addr_t) ~0 +#else +#define CURL_INADDR_NONE INADDR_NONE +#endif + +#ifdef HAVE_SIGSETJMP +/* Forward-declaration of variable defined in hostip.c. Beware this + * is a global and unique instance. This is used to store the return + * address that we can jump back to from inside a signal handler. + * This is not thread-safe stuff. + */ +extern sigjmp_buf curl_jmpenv; +#endif + +/* + * Function provided by the resolver backend to set DNS servers to use. + */ +CURLcode Curl_set_dns_servers(struct Curl_easy *data, char *servers); + +/* + * Function provided by the resolver backend to set + * outgoing interface to use for DNS requests + */ +CURLcode Curl_set_dns_interface(struct Curl_easy *data, + const char *interf); + +/* + * Function provided by the resolver backend to set + * local IPv4 address to use as source address for DNS requests + */ +CURLcode Curl_set_dns_local_ip4(struct Curl_easy *data, + const char *local_ip4); + +/* + * Function provided by the resolver backend to set + * local IPv6 address to use as source address for DNS requests + */ +CURLcode Curl_set_dns_local_ip6(struct Curl_easy *data, + const char *local_ip6); + +/* + * Clean off entries from the cache + */ +void Curl_hostcache_clean(struct Curl_easy *data, struct Curl_hash *hash); + +/* + * Populate the cache with specified entries from CURLOPT_RESOLVE. + */ +CURLcode Curl_loadhostpairs(struct Curl_easy *data); +CURLcode Curl_resolv_check(struct Curl_easy *data, + struct Curl_dns_entry **dns); +int Curl_resolv_getsock(struct Curl_easy *data, + curl_socket_t *socks); + +CURLcode Curl_resolver_error(struct Curl_easy *data); +#endif /* HEADER_CURL_HOSTIP_H */ -- cgit v1.2.3