diff options
Diffstat (limited to 'libs/libcurl/src/doh.h')
-rw-r--r-- | libs/libcurl/src/doh.h | 256 |
1 files changed, 128 insertions, 128 deletions
diff --git a/libs/libcurl/src/doh.h b/libs/libcurl/src/doh.h index 678e807fe4..136766c469 100644 --- a/libs/libcurl/src/doh.h +++ b/libs/libcurl/src/doh.h @@ -1,128 +1,128 @@ -#ifndef HEADER_CURL_DOH_H -#define HEADER_CURL_DOH_H -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 2018 - 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 "urldata.h" -#include "curl_addrinfo.h" - -#ifndef CURL_DISABLE_DOH - -typedef enum { - DOH_OK, - DOH_DNS_BAD_LABEL, /* 1 */ - DOH_DNS_OUT_OF_RANGE, /* 2 */ - DOH_DNS_LABEL_LOOP, /* 3 */ - DOH_TOO_SMALL_BUFFER, /* 4 */ - DOH_OUT_OF_MEM, /* 5 */ - DOH_DNS_RDATA_LEN, /* 6 */ - DOH_DNS_MALFORMAT, /* 7 */ - DOH_DNS_BAD_RCODE, /* 8 - no such name */ - DOH_DNS_UNEXPECTED_TYPE, /* 9 */ - DOH_DNS_UNEXPECTED_CLASS, /* 10 */ - DOH_NO_CONTENT, /* 11 */ - DOH_DNS_BAD_ID, /* 12 */ - DOH_DNS_NAME_TOO_LONG /* 13 */ -} DOHcode; - -typedef enum { - DNS_TYPE_A = 1, - DNS_TYPE_NS = 2, - DNS_TYPE_CNAME = 5, - DNS_TYPE_AAAA = 28, - DNS_TYPE_DNAME = 39 /* RFC6672 */ -} DNStype; - -/* one of these for each DoH request */ -struct dnsprobe { - CURL *easy; - DNStype dnstype; - unsigned char dohbuffer[512]; - size_t dohlen; - struct dynbuf serverdoh; -}; - -struct dohdata { - struct curl_slist *headers; - struct dnsprobe probe[DOH_PROBE_SLOTS]; - unsigned int pending; /* still outstanding requests */ - int port; - const char *host; -}; - -/* - * Curl_doh() resolve a name using DoH (DNS-over-HTTPS). It resolves a name - * and returns a 'Curl_addrinfo *' with the address information. - */ - -struct Curl_addrinfo *Curl_doh(struct Curl_easy *data, - const char *hostname, - int port, - int *waitp); - -CURLcode Curl_doh_is_resolved(struct Curl_easy *data, - struct Curl_dns_entry **dns); - -int Curl_doh_getsock(struct connectdata *conn, curl_socket_t *socks); - -#define DOH_MAX_ADDR 24 -#define DOH_MAX_CNAME 4 - -struct dohaddr { - int type; - union { - unsigned char v4[4]; /* network byte order */ - unsigned char v6[16]; - } ip; -}; - -struct dohentry { - struct dynbuf cname[DOH_MAX_CNAME]; - struct dohaddr addr[DOH_MAX_ADDR]; - int numaddr; - unsigned int ttl; - int numcname; -}; - - -#ifdef DEBUGBUILD -DOHcode doh_encode(const char *host, - DNStype dnstype, - unsigned char *dnsp, /* buffer */ - size_t len, /* buffer size */ - size_t *olen); /* output length */ -DOHcode doh_decode(const unsigned char *doh, - size_t dohlen, - DNStype dnstype, - struct dohentry *d); -void de_init(struct dohentry *d); -void de_cleanup(struct dohentry *d); -#endif - -#else /* if DoH is disabled */ -#define Curl_doh(a,b,c,d) NULL -#define Curl_doh_is_resolved(x,y) CURLE_COULDNT_RESOLVE_HOST -#endif - -#endif /* HEADER_CURL_DOH_H */ +#ifndef HEADER_CURL_DOH_H
+#define HEADER_CURL_DOH_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2018 - 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 "urldata.h"
+#include "curl_addrinfo.h"
+
+#ifndef CURL_DISABLE_DOH
+
+typedef enum {
+ DOH_OK,
+ DOH_DNS_BAD_LABEL, /* 1 */
+ DOH_DNS_OUT_OF_RANGE, /* 2 */
+ DOH_DNS_LABEL_LOOP, /* 3 */
+ DOH_TOO_SMALL_BUFFER, /* 4 */
+ DOH_OUT_OF_MEM, /* 5 */
+ DOH_DNS_RDATA_LEN, /* 6 */
+ DOH_DNS_MALFORMAT, /* 7 */
+ DOH_DNS_BAD_RCODE, /* 8 - no such name */
+ DOH_DNS_UNEXPECTED_TYPE, /* 9 */
+ DOH_DNS_UNEXPECTED_CLASS, /* 10 */
+ DOH_NO_CONTENT, /* 11 */
+ DOH_DNS_BAD_ID, /* 12 */
+ DOH_DNS_NAME_TOO_LONG /* 13 */
+} DOHcode;
+
+typedef enum {
+ DNS_TYPE_A = 1,
+ DNS_TYPE_NS = 2,
+ DNS_TYPE_CNAME = 5,
+ DNS_TYPE_AAAA = 28,
+ DNS_TYPE_DNAME = 39 /* RFC6672 */
+} DNStype;
+
+/* one of these for each DoH request */
+struct dnsprobe {
+ CURL *easy;
+ DNStype dnstype;
+ unsigned char dohbuffer[512];
+ size_t dohlen;
+ struct dynbuf serverdoh;
+};
+
+struct dohdata {
+ struct curl_slist *headers;
+ struct dnsprobe probe[DOH_PROBE_SLOTS];
+ unsigned int pending; /* still outstanding requests */
+ int port;
+ const char *host;
+};
+
+/*
+ * Curl_doh() resolve a name using DoH (DNS-over-HTTPS). It resolves a name
+ * and returns a 'Curl_addrinfo *' with the address information.
+ */
+
+struct Curl_addrinfo *Curl_doh(struct Curl_easy *data,
+ const char *hostname,
+ int port,
+ int *waitp);
+
+CURLcode Curl_doh_is_resolved(struct Curl_easy *data,
+ struct Curl_dns_entry **dns);
+
+int Curl_doh_getsock(struct connectdata *conn, curl_socket_t *socks);
+
+#define DOH_MAX_ADDR 24
+#define DOH_MAX_CNAME 4
+
+struct dohaddr {
+ int type;
+ union {
+ unsigned char v4[4]; /* network byte order */
+ unsigned char v6[16];
+ } ip;
+};
+
+struct dohentry {
+ struct dynbuf cname[DOH_MAX_CNAME];
+ struct dohaddr addr[DOH_MAX_ADDR];
+ int numaddr;
+ unsigned int ttl;
+ int numcname;
+};
+
+
+#ifdef DEBUGBUILD
+DOHcode doh_encode(const char *host,
+ DNStype dnstype,
+ unsigned char *dnsp, /* buffer */
+ size_t len, /* buffer size */
+ size_t *olen); /* output length */
+DOHcode doh_decode(const unsigned char *doh,
+ size_t dohlen,
+ DNStype dnstype,
+ struct dohentry *d);
+void de_init(struct dohentry *d);
+void de_cleanup(struct dohentry *d);
+#endif
+
+#else /* if DoH is disabled */
+#define Curl_doh(a,b,c,d) NULL
+#define Curl_doh_is_resolved(x,y) CURLE_COULDNT_RESOLVE_HOST
+#endif
+
+#endif /* HEADER_CURL_DOH_H */
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