diff options
author | dartraiden <wowemuh@gmail.com> | 2022-12-22 16:31:20 +0300 |
---|---|---|
committer | dartraiden <wowemuh@gmail.com> | 2022-12-22 16:31:20 +0300 |
commit | 47b6881fe726c904f87aa4be059b730ef77954d0 (patch) | |
tree | aa72b213043d3b514c883bc59a0fa0c434106156 /libs/libcurl/src/hostip.h | |
parent | 8fbc9220b7f3d3a04bbe45d32489ef882821558e (diff) |
libcurl: update to 7.87.0
Diffstat (limited to 'libs/libcurl/src/hostip.h')
-rw-r--r-- | libs/libcurl/src/hostip.h | 483 |
1 files changed, 239 insertions, 244 deletions
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, <daniel@haxx.se>, 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 <setjmp.h> -#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, <daniel@haxx.se>, 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 <setjmp.h>
+#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 */
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