diff options
Diffstat (limited to 'libs/libcurl/src/hostip6.c')
| -rw-r--r-- | libs/libcurl/src/hostip6.c | 320 |
1 files changed, 158 insertions, 162 deletions
diff --git a/libs/libcurl/src/hostip6.c b/libs/libcurl/src/hostip6.c index c62c254c72..79f20f484e 100644 --- a/libs/libcurl/src/hostip6.c +++ b/libs/libcurl/src/hostip6.c @@ -1,162 +1,158 @@ -/*************************************************************************** - * _ _ ____ _ - * 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" - -/*********************************************************************** - * Only for IPv6-enabled builds - **********************************************************************/ -#ifdef CURLRES_IPV6 - -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef HAVE_NETDB_H -#include <netdb.h> -#endif -#ifdef HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#ifdef __VMS -#include <in.h> -#include <inet.h> -#endif - -#ifdef HAVE_PROCESS_H -#include <process.h> -#endif - -#include "urldata.h" -#include "sendf.h" -#include "hostip.h" -#include "hash.h" -#include "share.h" -#include "url.h" -#include "inet_pton.h" -#include "connect.h" -/* The last 3 #include files should be in this order */ -#include "curl_printf.h" -#include "curl_memory.h" -#include "memdebug.h" - -/* - * 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) -{ - if(conn->ip_version == CURL_IPRESOLVE_V6) - return Curl_ipv6works(data); - - return TRUE; -} - -#if defined(CURLRES_SYNCH) - -#ifdef DEBUG_ADDRINFO -static void dump_addrinfo(struct connectdata *conn, - const struct Curl_addrinfo *ai) -{ - printf("dump_addrinfo:\n"); - for(; ai; ai = ai->ai_next) { - char buf[INET6_ADDRSTRLEN]; - printf(" fam %2d, CNAME %s, ", - ai->ai_family, ai->ai_canonname ? ai->ai_canonname : "<none>"); - Curl_printable_address(ai, buf, sizeof(buf)); - printf("%s\n", buf); - } -} -#else -#define dump_addrinfo(x,y) Curl_nop_stmt -#endif - -/* - * Curl_getaddrinfo() when built IPv6-enabled (non-threading and - * non-ares version). - * - * Returns name information about the given hostname and port number. If - * successful, the 'addrinfo' is returned and the fourth argument will point - * to memory we need to free after use. That memory *MUST* be freed with - * Curl_freeaddrinfo(), nothing else. - */ -struct Curl_addrinfo *Curl_getaddrinfo(struct Curl_easy *data, - const char *hostname, - int port, - int *waitp) -{ - struct addrinfo hints; - struct Curl_addrinfo *res; - int error; - char sbuf[12]; - char *sbufptr = NULL; -#ifndef USE_RESOLVE_ON_IPS - char addrbuf[128]; -#endif - int pf = PF_INET; - - *waitp = 0; /* synchronous response only */ - - if((data->conn->ip_version != CURL_IPRESOLVE_V4) && Curl_ipv6works(data)) - /* The stack seems to be IPv6-enabled */ - pf = PF_UNSPEC; - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = pf; - hints.ai_socktype = (data->conn->transport == TRNSPRT_TCP) ? - SOCK_STREAM : SOCK_DGRAM; - -#ifndef USE_RESOLVE_ON_IPS - /* - * The AI_NUMERICHOST must not be set to get synthesized IPv6 address from - * an IPv4 address on iOS and Mac OS X. - */ - if((1 == Curl_inet_pton(AF_INET, hostname, addrbuf)) || - (1 == Curl_inet_pton(AF_INET6, hostname, addrbuf))) { - /* the given address is numerical only, prevent a reverse lookup */ - hints.ai_flags = AI_NUMERICHOST; - } -#endif - - if(port) { - msnprintf(sbuf, sizeof(sbuf), "%d", port); - sbufptr = sbuf; - } - - error = Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &res); - if(error) { - infof(data, "getaddrinfo(3) failed for %s:%d", hostname, port); - return NULL; - } - - if(port) { - Curl_addrinfo_set_port(res, port); - } - - dump_addrinfo(conn, res); - - return res; -} -#endif /* CURLRES_SYNCH */ - -#endif /* CURLRES_IPV6 */ +/***************************************************************************
+ * _ _ ____ _
+ * 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"
+
+/***********************************************************************
+ * Only for IPv6-enabled builds
+ **********************************************************************/
+#ifdef CURLRES_IPV6
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "hash.h"
+#include "share.h"
+#include "url.h"
+#include "inet_pton.h"
+#include "connect.h"
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+/*
+ * 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)
+{
+ if(conn->ip_version == CURL_IPRESOLVE_V6)
+ return Curl_ipv6works(data);
+
+ return TRUE;
+}
+
+#if defined(CURLRES_SYNCH)
+
+#ifdef DEBUG_ADDRINFO
+static void dump_addrinfo(struct connectdata *conn,
+ const struct Curl_addrinfo *ai)
+{
+ printf("dump_addrinfo:\n");
+ for(; ai; ai = ai->ai_next) {
+ char buf[INET6_ADDRSTRLEN];
+ printf(" fam %2d, CNAME %s, ",
+ ai->ai_family, ai->ai_canonname ? ai->ai_canonname : "<none>");
+ Curl_printable_address(ai, buf, sizeof(buf));
+ printf("%s\n", buf);
+ }
+}
+#else
+#define dump_addrinfo(x,y) Curl_nop_stmt
+#endif
+
+/*
+ * Curl_getaddrinfo() when built IPv6-enabled (non-threading and
+ * non-ares version).
+ *
+ * Returns name information about the given hostname and port number. If
+ * successful, the 'addrinfo' is returned and the fourth argument will point
+ * to memory we need to free after use. That memory *MUST* be freed with
+ * Curl_freeaddrinfo(), nothing else.
+ */
+struct Curl_addrinfo *Curl_getaddrinfo(struct Curl_easy *data,
+ const char *hostname,
+ int port,
+ int *waitp)
+{
+ struct addrinfo hints;
+ struct Curl_addrinfo *res;
+ int error;
+ char sbuf[12];
+ char *sbufptr = NULL;
+#ifndef USE_RESOLVE_ON_IPS
+ char addrbuf[128];
+#endif
+ int pf = PF_INET;
+
+ *waitp = 0; /* synchronous response only */
+
+ if((data->conn->ip_version != CURL_IPRESOLVE_V4) && Curl_ipv6works(data))
+ /* The stack seems to be IPv6-enabled */
+ pf = PF_UNSPEC;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = pf;
+ hints.ai_socktype = (data->conn->transport == TRNSPRT_TCP) ?
+ SOCK_STREAM : SOCK_DGRAM;
+
+#ifndef USE_RESOLVE_ON_IPS
+ /*
+ * The AI_NUMERICHOST must not be set to get synthesized IPv6 address from
+ * an IPv4 address on iOS and Mac OS X.
+ */
+ if((1 == Curl_inet_pton(AF_INET, hostname, addrbuf)) ||
+ (1 == Curl_inet_pton(AF_INET6, hostname, addrbuf))) {
+ /* the given address is numerical only, prevent a reverse lookup */
+ hints.ai_flags = AI_NUMERICHOST;
+ }
+#endif
+
+ if(port) {
+ msnprintf(sbuf, sizeof(sbuf), "%d", port);
+ sbufptr = sbuf;
+ }
+
+ error = Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &res);
+ if(error) {
+ infof(data, "getaddrinfo(3) failed for %s:%d", hostname, port);
+ return NULL;
+ }
+
+ if(port) {
+ Curl_addrinfo_set_port(res, port);
+ }
+
+ dump_addrinfo(conn, res);
+
+ return res;
+}
+#endif /* CURLRES_SYNCH */
+
+#endif /* CURLRES_IPV6 */
|