update libcurl and remove openssl dependencyupdate-lib-curl-pr

14 files changed, 545 insertions, 251 deletions

diff --git a/include/libcurl/include/curl/curl.h b/include/libcurl/include/curl/curl.h
index 7b69ce2d..139df999 100644
--- a/include/libcurl/include/curl/curl.h
+++ b/include/libcurl/include/curl/curl.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 /*
@@ -31,6 +33,22 @@
 #define CURL_STRICTER
 #endif
 
+/* Compile-time deprecation macros. */
+#if defined(__GNUC__) && (__GNUC__ >= 6) &&                             \
+  !defined(__INTEL_COMPILER) &&                                         \
+  !defined(CURL_DISABLE_DEPRECATION) && !defined(BUILDING_LIBCURL)
+#define CURL_DEPRECATED(version, message) \
+    __attribute__((deprecated("since " # version ". " message)))
+#define CURL_IGNORE_DEPRECATION(statements) \
+      _Pragma("GCC diagnostic push") \
+      _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") \
+      statements \
+      _Pragma("GCC diagnostic pop")
+#else
+#define CURL_DEPRECATED(version, message)
+#define CURL_IGNORE_DEPRECATION(statements)     statements
+#endif
+
 #include "curlver.h"         /* libcurl version defines   */
 #include "system.h"          /* determine things run-time */
 
@@ -74,7 +92,7 @@
     defined(__CYGWIN__) || defined(AMIGA) || defined(__NuttX__) || \
    (defined(__FreeBSD_version) && (__FreeBSD_version < 800000)) || \
    (defined(__MidnightBSD_version) && (__MidnightBSD_version < 100000)) || \
-    defined(__VXWORKS__)
+    defined(__sun__) || defined(__serenity__)
 #include <sys/select.h>
 #endif
 
@@ -82,14 +100,10 @@
 #include <sys/socket.h>
 #endif
 
-#if !defined(CURL_WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
+#if !defined(CURL_WIN32)
 #include <sys/time.h>
 #endif
 
-#ifdef __BEOS__
-#include <support/SupportDefs.h>
-#endif
-
 /* Compatibility for non-Clang compilers */
 #ifndef __has_declspec_attribute
 #  define __has_declspec_attribute(x) 0
@@ -147,11 +161,11 @@ typedef enum {
   CURLSSLBACKEND_NSS = 3,
   CURLSSLBACKEND_OBSOLETE4 = 4,  /* Was QSOSSL. */
   CURLSSLBACKEND_GSKIT = 5,
-  CURLSSLBACKEND_POLARSSL = 6,
+  CURLSSLBACKEND_POLARSSL               CURL_DEPRECATED(7.69.0, "") = 6,
   CURLSSLBACKEND_WOLFSSL = 7,
   CURLSSLBACKEND_SCHANNEL = 8,
   CURLSSLBACKEND_SECURETRANSPORT = 9,
-  CURLSSLBACKEND_AXTLS = 10, /* never used since 7.63.0 */
+  CURLSSLBACKEND_AXTLS                  CURL_DEPRECATED(7.61.0, "") = 10,
   CURLSSLBACKEND_MBEDTLS = 11,
   CURLSSLBACKEND_MESALINK = 12,
   CURLSSLBACKEND_BEARSSL = 13,
@@ -258,6 +272,10 @@ typedef int (*curl_xferinfo_callback)(void *clientp,
    will signal libcurl to pause receiving on the current transfer. */
 #define CURL_WRITEFUNC_PAUSE 0x10000001
 
+/* This is a magic return code for the write callback that, when returned,
+   will signal an error from the callback. */
+#define CURL_WRITEFUNC_ERROR 0xFFFFFFFF
+
 typedef size_t (*curl_write_callback)(char *buffer,
                                       size_t size,
                                       size_t nitems,
@@ -370,7 +388,7 @@ typedef int (*curl_seek_callback)(void *instream,
 #define CURL_READFUNC_PAUSE 0x10000001
 
 /* Return code for when the trailing headers' callback has terminated
-   without any errors*/
+   without any errors */
 #define CURL_TRAILERFUNC_OK 0
 /* Return code for when was an error in the trailing header's list and we
   want to abort the request */
@@ -452,7 +470,7 @@ typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
 #define CURL_DID_MEMORY_FUNC_TYPEDEFS
 #endif
 
-/* the kind of data that is passed to information_callback*/
+/* the kind of data that is passed to information_callback */
 typedef enum {
   CURLINFO_TEXT = 0,
   CURLINFO_HEADER_IN,    /* 1 */
@@ -529,10 +547,6 @@ typedef enum {
   CURLE_UPLOAD_FAILED,           /* 25 - failed upload "command" */
   CURLE_READ_ERROR,              /* 26 - couldn't open/read from file */
   CURLE_OUT_OF_MEMORY,           /* 27 */
-  /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
-           instead of a memory allocation error if CURL_DOES_CONVERSIONS
-           is defined
-  */
   CURLE_OPERATION_TIMEDOUT,      /* 28 - the timeout time was reached */
   CURLE_OBSOLETE29,              /* 29 - NOT USED */
   CURLE_FTP_PORT_FAILED,         /* 30 - FTP PORT operation failed */
@@ -569,7 +583,7 @@ typedef enum {
   CURLE_PEER_FAILED_VERIFICATION, /* 60 - peer's certificate or fingerprint
                                      wasn't verified fine */
   CURLE_BAD_CONTENT_ENCODING,    /* 61 - Unrecognized/bad encoding */
-  CURLE_LDAP_INVALID_URL,        /* 62 - Invalid LDAP URL */
+  CURLE_OBSOLETE62,              /* 62 - NOT IN USE since 7.82.0 */
   CURLE_FILESIZE_EXCEEDED,       /* 63 - Maximum file size exceeded */
   CURLE_USE_SSL_FAILED,          /* 64 - Requested FTP SSL level failed */
   CURLE_SEND_FAIL_REWIND,        /* 65 - Sending the data requires a rewind
@@ -584,12 +598,8 @@ typedef enum {
   CURLE_TFTP_UNKNOWNID,          /* 72 - Unknown transfer ID */
   CURLE_REMOTE_FILE_EXISTS,      /* 73 - File already exists */
   CURLE_TFTP_NOSUCHUSER,         /* 74 - No such user */
-  CURLE_CONV_FAILED,             /* 75 - conversion failed */
-  CURLE_CONV_REQD,               /* 76 - caller must register conversion
-                                    callbacks using curl_easy_setopt options
-                                    CURLOPT_CONV_FROM_NETWORK_FUNCTION,
-                                    CURLOPT_CONV_TO_NETWORK_FUNCTION, and
-                                    CURLOPT_CONV_FROM_UTF8_FUNCTION */
+  CURLE_OBSOLETE75,              /* 75 - NOT IN USE since 7.82.0 */
+  CURLE_OBSOLETE76,              /* 76 - NOT IN USE since 7.82.0 */
   CURLE_SSL_CACERT_BADFILE,      /* 77 - could not load CACERT file, missing
                                     or wrong format */
   CURLE_REMOTE_FILE_NOT_FOUND,   /* 78 - remote file not found */
@@ -626,6 +636,7 @@ typedef enum {
   CURLE_QUIC_CONNECT_ERROR,      /* 96 - QUIC connection error */
   CURLE_PROXY,                   /* 97 - proxy handshake error */
   CURLE_SSL_CLIENTCERT,          /* 98 - client-side certificate required */
+  CURLE_UNRECOVERABLE_POLL,      /* 99 - poll/select returned fatal error */
   CURL_LAST /* never use! */
 } CURLcode;
 
@@ -683,13 +694,14 @@ typedef enum {
 /* The following were added earlier */
 
 #define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
-
 #define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
 #define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
 #define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
-
 #define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
 #define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
+#define CURLE_LDAP_INVALID_URL CURLE_OBSOLETE62
+#define CURLE_CONV_REQD CURLE_OBSOLETE76
+#define CURLE_CONV_FAILED CURLE_OBSOLETE75
 
 /* This was the error code 50 in 7.7.3 and a few earlier versions, this
    is no longer used by libcurl but is instead #defined here only to not
@@ -706,7 +718,7 @@ typedef enum {
 #define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
 #define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
 
-#endif /*!CURL_NO_OLDIES*/
+#endif /* !CURL_NO_OLDIES */
 
 /*
  * Proxy error codes. Returned in CURLINFO_PROXY_ERROR if CURLE_PROXY was
@@ -848,10 +860,10 @@ enum curl_khstat {
   CURLKHSTAT_FINE_ADD_TO_FILE,
   CURLKHSTAT_FINE,
   CURLKHSTAT_REJECT, /* reject the connection, return an error */
-  CURLKHSTAT_DEFER,  /* do not accept it, but we can't answer right now so
-                        this causes a CURLE_DEFER error but otherwise the
+  CURLKHSTAT_DEFER,  /* do not accept it, but we can't answer right now.
+                        Causes a CURLE_PEER_FAILED_VERIFICATION error but the
                         connection will be left intact etc */
-  CURLKHSTAT_FINE_REPLACE, /* accept and replace the wrong key*/
+  CURLKHSTAT_FINE_REPLACE, /* accept and replace the wrong key */
   CURLKHSTAT_LAST    /* not for use, only a marker for last-in-list */
 };
 
@@ -868,7 +880,18 @@ typedef int
                           const struct curl_khkey *knownkey, /* known */
                           const struct curl_khkey *foundkey, /* found */
                           enum curl_khmatch, /* libcurl's view on the keys */
-                          void *clientp); /* custom pointer passed from app */
+                          void *clientp); /* custom pointer passed with */
+                                          /* CURLOPT_SSH_KEYDATA */
+
+typedef int
+  (*curl_sshhostkeycallback) (void *clientp,/* custom pointer passed */
+                                            /* with CURLOPT_SSH_HOSTKEYDATA */
+                          int keytype, /* CURLKHTYPE */
+                          const char *key, /* hostkey to check */
+                          size_t keylen); /* length of the key */
+                          /* return CURLE_OK to accept */
+                          /* or something else to refuse */
+
 
 /* parameter for the CURLOPT_USE_SSL option */
 typedef enum {
@@ -929,7 +952,7 @@ typedef enum {
 #define CURLFTPSSL_ALL CURLUSESSL_ALL
 #define CURLFTPSSL_LAST CURLUSESSL_LAST
 #define curl_ftpssl curl_usessl
-#endif /*!CURL_NO_OLDIES*/
+#endif /* !CURL_NO_OLDIES */
 
 /* parameter for the CURLOPT_FTP_SSL_CCC option */
 typedef enum {
@@ -1008,7 +1031,8 @@ typedef CURLSTScode (*curl_hstswrite_callback)(CURL *easy,
 #define CURLHSTS_ENABLE       (long)(1<<0)
 #define CURLHSTS_READONLYFILE (long)(1<<1)
 
-/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
+/* The CURLPROTO_ defines below are for the **deprecated** CURLOPT_*PROTOCOLS
+   options. Do not use. */
 #define CURLPROTO_HTTP   (1<<0)
 #define CURLPROTO_HTTPS  (1<<1)
 #define CURLPROTO_FTP    (1<<2)
@@ -1054,6 +1078,7 @@ typedef CURLSTScode (*curl_hstswrite_callback)(CURL *easy,
 
 
 #define CURLOPT(na,t,nu) na = t + nu
+#define CURLOPTDEPRECATED(na,t,nu,v,m) na CURL_DEPRECATED(v,m) = t + nu
 
 /* CURLOPT aliases that make no run-time difference */
 
@@ -1115,7 +1140,7 @@ typedef enum {
   /* Time-out the read operation after this amount of seconds */
   CURLOPT(CURLOPT_TIMEOUT, CURLOPTTYPE_LONG, 13),
 
-  /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
+  /* If CURLOPT_READDATA is used, this can be used to inform libcurl about
    * how large the file being sent really is. That allows better error
    * checking and better verifies that the upload was successful. -1 means
    * unknown size.
@@ -1167,7 +1192,8 @@ typedef enum {
   CURLOPT(CURLOPT_HTTPHEADER, CURLOPTTYPE_SLISTPOINT, 23),
 
   /* This points to a linked list of post entries, struct curl_httppost */
-  CURLOPT(CURLOPT_HTTPPOST, CURLOPTTYPE_OBJECTPOINT, 24),
+  CURLOPTDEPRECATED(CURLOPT_HTTPPOST, CURLOPTTYPE_OBJECTPOINT, 24,
+                    7.56.0, "Use CURLOPT_MIMEPOST"),
 
   /* name of the file keeping your private SSL-certificate */
   CURLOPT(CURLOPT_SSLCERT, CURLOPTTYPE_STRINGPOINT, 25),
@@ -1257,7 +1283,8 @@ typedef enum {
   CURLOPT(CURLOPT_TRANSFERTEXT, CURLOPTTYPE_LONG, 53),
 
   /* HTTP PUT */
-  CURLOPT(CURLOPT_PUT, CURLOPTTYPE_LONG, 54),
+  CURLOPTDEPRECATED(CURLOPT_PUT, CURLOPTTYPE_LONG, 54,
+                    7.12.1, "Use CURLOPT_UPLOAD"),
 
   /* 55 = OBSOLETE */
 
@@ -1265,7 +1292,8 @@ typedef enum {
    * Function that will be called instead of the internal progress display
    * function. This function should be defined as the curl_progress_callback
    * prototype defines. */
-  CURLOPT(CURLOPT_PROGRESSFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 56),
+  CURLOPTDEPRECATED(CURLOPT_PROGRESSFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 56,
+                    7.32.0, "Use CURLOPT_XFERINFOFUNCTION"),
 
   /* Data passed to the CURLOPT_PROGRESSFUNCTION and CURLOPT_XFERINFOFUNCTION
      callbacks */
@@ -1282,7 +1310,7 @@ typedef enum {
   /* size of the POST input data, if strlen() is not good to use */
   CURLOPT(CURLOPT_POSTFIELDSIZE, CURLOPTTYPE_LONG, 60),
 
-  /* tunnel non-http operations through a HTTP proxy */
+  /* tunnel non-http operations through an HTTP proxy */
   CURLOPT(CURLOPT_HTTPPROXYTUNNEL, CURLOPTTYPE_LONG, 61),
 
   /* Set the interface string to use as outgoing network interface */
@@ -1333,10 +1361,12 @@ typedef enum {
 
   /* Set to a file name that contains random data for libcurl to use to
      seed the random engine when doing SSL connects. */
-  CURLOPT(CURLOPT_RANDOM_FILE, CURLOPTTYPE_STRINGPOINT, 76),
+  CURLOPTDEPRECATED(CURLOPT_RANDOM_FILE, CURLOPTTYPE_STRINGPOINT, 76,
+                    7.84.0, "Serves no purpose anymore"),
 
   /* Set to the Entropy Gathering Daemon socket pathname */
-  CURLOPT(CURLOPT_EGDSOCKET, CURLOPTTYPE_STRINGPOINT, 77),
+  CURLOPTDEPRECATED(CURLOPT_EGDSOCKET, CURLOPTTYPE_STRINGPOINT, 77,
+                    7.84.0, "Serves no purpose anymore"),
 
   /* Time-out connect operations after this amount of seconds, if connects are
      OK within this time, then fine... This only aborts the connect phase. */
@@ -1391,7 +1421,8 @@ typedef enum {
 
   /* Non-zero value means to use the global dns cache */
   /* DEPRECATED, do not use! */
-  CURLOPT(CURLOPT_DNS_USE_GLOBAL_CACHE, CURLOPTTYPE_LONG, 91),
+  CURLOPTDEPRECATED(CURLOPT_DNS_USE_GLOBAL_CACHE, CURLOPTTYPE_LONG, 91,
+                    7.11.1, "Use CURLOPT_SHARE"),
 
   /* DNS cache timeout */
   CURLOPT(CURLOPT_DNS_CACHE_TIMEOUT, CURLOPTTYPE_LONG, 92),
@@ -1474,12 +1505,11 @@ typedef enum {
      Note that setting multiple bits may cause extra network round-trips. */
   CURLOPT(CURLOPT_PROXYAUTH, CURLOPTTYPE_VALUES, 111),
 
-  /* FTP option that changes the timeout, in seconds, associated with
-     getting a response.  This is different from transfer timeout time and
-     essentially places a demand on the FTP server to acknowledge commands
-     in a timely manner. */
-  CURLOPT(CURLOPT_FTP_RESPONSE_TIMEOUT, CURLOPTTYPE_LONG, 112),
-#define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
+  /* Option that changes the timeout, in seconds, associated with getting a
+     response.  This is different from transfer timeout time and essentially
+     places a demand on the server to acknowledge commands in a timely
+     manner. For FTP, SMTP, IMAP and POP3. */
+  CURLOPT(CURLOPT_SERVER_RESPONSE_TIMEOUT, CURLOPTTYPE_LONG, 112),
 
   /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
      tell libcurl to use those IP versions only. This only has effect on
@@ -1547,8 +1577,10 @@ typedef enum {
   */
   CURLOPT(CURLOPT_FTPSSLAUTH, CURLOPTTYPE_VALUES, 129),
 
-  CURLOPT(CURLOPT_IOCTLFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 130),
-  CURLOPT(CURLOPT_IOCTLDATA, CURLOPTTYPE_CBPOINT, 131),
+  CURLOPTDEPRECATED(CURLOPT_IOCTLFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 130,
+                    7.18.0, "Use CURLOPT_SEEKFUNCTION"),
+  CURLOPTDEPRECATED(CURLOPT_IOCTLDATA, CURLOPTTYPE_CBPOINT, 131,
+                    7.18.0, "Use CURLOPT_SEEKDATA"),
 
   /* 132 OBSOLETE. Gone in 7.16.0 */
   /* 133 OBSOLETE. Gone in 7.16.0 */
@@ -1587,16 +1619,22 @@ typedef enum {
 
   /* Function that will be called to convert from the
      network encoding (instead of using the iconv calls in libcurl) */
-  CURLOPT(CURLOPT_CONV_FROM_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 142),
+  CURLOPTDEPRECATED(CURLOPT_CONV_FROM_NETWORK_FUNCTION,
+                    CURLOPTTYPE_FUNCTIONPOINT, 142,
+                    7.82.0, "Serves no purpose anymore"),
 
   /* Function that will be called to convert to the
      network encoding (instead of using the iconv calls in libcurl) */
-  CURLOPT(CURLOPT_CONV_TO_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 143),
+  CURLOPTDEPRECATED(CURLOPT_CONV_TO_NETWORK_FUNCTION,
+                    CURLOPTTYPE_FUNCTIONPOINT, 143,
+                    7.82.0, "Serves no purpose anymore"),
 
   /* Function that will be called to convert from UTF8
      (instead of using the iconv calls in libcurl)
      Note that this is used only for SSL certificate processing */
-  CURLOPT(CURLOPT_CONV_FROM_UTF8_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 144),
+  CURLOPTDEPRECATED(CURLOPT_CONV_FROM_UTF8_FUNCTION,
+                    CURLOPTTYPE_FUNCTIONPOINT, 144,
+                    7.82.0, "Serves no purpose anymore"),
 
   /* if the connection proceeds too quickly then need to slow it down */
   /* limit-rate: maximum number of bytes per second to send or receive */
@@ -1697,7 +1735,9 @@ typedef enum {
 
   /* Socks Service */
   /* DEPRECATED, do not use! */
-  CURLOPT(CURLOPT_SOCKS5_GSSAPI_SERVICE, CURLOPTTYPE_STRINGPOINT, 179),
+  CURLOPTDEPRECATED(CURLOPT_SOCKS5_GSSAPI_SERVICE,
+                    CURLOPTTYPE_STRINGPOINT, 179,
+                    7.49.0, "Use CURLOPT_PROXY_SERVICE_NAME"),
 
   /* Socks Service */
   CURLOPT(CURLOPT_SOCKS5_GSSAPI_NEC, CURLOPTTYPE_LONG, 180),
@@ -1706,12 +1746,14 @@ typedef enum {
      transfer, which thus helps the app which takes URLs from users or other
      external inputs and want to restrict what protocol(s) to deal
      with. Defaults to CURLPROTO_ALL. */
-  CURLOPT(CURLOPT_PROTOCOLS, CURLOPTTYPE_LONG, 181),
+  CURLOPTDEPRECATED(CURLOPT_PROTOCOLS, CURLOPTTYPE_LONG, 181,
+                    7.85.0, "Use CURLOPT_PROTOCOLS_STR"),
 
   /* set the bitmask for the protocols that libcurl is allowed to follow to,
      as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
      to be set in both bitmasks to be allowed to get redirected to. */
-  CURLOPT(CURLOPT_REDIR_PROTOCOLS, CURLOPTTYPE_LONG, 182),
+  CURLOPTDEPRECATED(CURLOPT_REDIR_PROTOCOLS, CURLOPTTYPE_LONG, 182,
+                    7.85.0, "Use CURLOPT_REDIR_PROTOCOLS_STR"),
 
   /* set the SSH knownhost file name to use */
   CURLOPT(CURLOPT_SSH_KNOWNHOSTS, CURLOPTTYPE_STRINGPOINT, 183),
@@ -1856,12 +1898,13 @@ typedef enum {
   CURLOPT(CURLOPT_LOGIN_OPTIONS, CURLOPTTYPE_STRINGPOINT, 224),
 
   /* Enable/disable TLS NPN extension (http2 over ssl might fail without) */
-  CURLOPT(CURLOPT_SSL_ENABLE_NPN, CURLOPTTYPE_LONG, 225),
+  CURLOPTDEPRECATED(CURLOPT_SSL_ENABLE_NPN, CURLOPTTYPE_LONG, 225,
+                    7.86.0, "Has no function"),
 
   /* Enable/disable TLS ALPN extension (http2 over ssl might fail without) */
   CURLOPT(CURLOPT_SSL_ENABLE_ALPN, CURLOPTTYPE_LONG, 226),
 
-  /* Time to wait for a response to a HTTP request containing an
+  /* Time to wait for a response to an HTTP request containing an
    * Expect: 100-continue header before sending the data anyway. */
   CURLOPT(CURLOPT_EXPECT_100_TIMEOUT_MS, CURLOPTTYPE_LONG, 227),
 
@@ -2062,7 +2105,7 @@ typedef enum {
    * (in seconds) */
   CURLOPT(CURLOPT_MAXAGE_CONN, CURLOPTTYPE_LONG, 288),
 
-  /* SASL authorisation identity */
+  /* SASL authorization identity */
   CURLOPT(CURLOPT_SASL_AUTHZID, CURLOPTTYPE_STRINGPOINT, 289),
 
   /* allow RCPT TO command to fail for some recipients */
@@ -2135,6 +2178,31 @@ typedef enum {
   /* Set MIME option flags. */
   CURLOPT(CURLOPT_MIME_OPTIONS, CURLOPTTYPE_LONG, 315),
 
+  /* set the SSH host key callback, must point to a curl_sshkeycallback
+     function */
+  CURLOPT(CURLOPT_SSH_HOSTKEYFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 316),
+
+  /* set the SSH host key callback custom pointer */
+  CURLOPT(CURLOPT_SSH_HOSTKEYDATA, CURLOPTTYPE_CBPOINT, 317),
+
+  /* specify which protocols that are allowed to be used for the transfer,
+     which thus helps the app which takes URLs from users or other external
+     inputs and want to restrict what protocol(s) to deal with. Defaults to
+     all built-in protocols. */
+  CURLOPT(CURLOPT_PROTOCOLS_STR, CURLOPTTYPE_STRINGPOINT, 318),
+
+  /* specify which protocols that libcurl is allowed to follow directs to */
+  CURLOPT(CURLOPT_REDIR_PROTOCOLS_STR, CURLOPTTYPE_STRINGPOINT, 319),
+
+  /* websockets options */
+  CURLOPT(CURLOPT_WS_OPTIONS, CURLOPTTYPE_LONG, 320),
+
+  /* CA cache timeout */
+  CURLOPT(CURLOPT_CA_CACHE_TIMEOUT, CURLOPTTYPE_LONG, 321),
+
+  /* Can leak things, gonna exit() soon */
+  CURLOPT(CURLOPT_QUICK_EXIT, CURLOPTTYPE_LONG, 322),
+
   CURLOPT_LASTENTRY /* the last unused */
 } CURLoption;
 
@@ -2160,6 +2228,9 @@ typedef enum {
 #define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
 #define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
 
+/* */
+#define CURLOPT_FTP_RESPONSE_TIMEOUT CURLOPT_SERVER_RESPONSE_TIMEOUT
+
 #else
 /* This is set if CURL_NO_OLDIES is defined at compile-time */
 #undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
@@ -2174,7 +2245,7 @@ typedef enum {
 #define CURL_IPRESOLVE_V4       1 /* uses only IPv4 addresses/connections */
 #define CURL_IPRESOLVE_V6       2 /* uses only IPv6 addresses/connections */
 
-  /* three convenient "aliases" that follow the name scheme better */
+  /* Convenient "aliases" */
 #define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
 
   /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
@@ -2419,30 +2490,32 @@ CURL_EXTERN CURLcode curl_mime_headers(curl_mimepart *part,
                                        int take_ownership);
 
 typedef enum {
-  CURLFORM_NOTHING,        /********* the first one is unused ************/
-  CURLFORM_COPYNAME,
-  CURLFORM_PTRNAME,
-  CURLFORM_NAMELENGTH,
-  CURLFORM_COPYCONTENTS,
-  CURLFORM_PTRCONTENTS,
-  CURLFORM_CONTENTSLENGTH,
-  CURLFORM_FILECONTENT,
-  CURLFORM_ARRAY,
+  /********* the first one is unused ************/
+  CURLFORM_NOTHING         CURL_DEPRECATED(7.56.0, ""),
+  CURLFORM_COPYNAME        CURL_DEPRECATED(7.56.0, "Use curl_mime_name()"),
+  CURLFORM_PTRNAME         CURL_DEPRECATED(7.56.0, "Use curl_mime_name()"),
+  CURLFORM_NAMELENGTH      CURL_DEPRECATED(7.56.0, ""),
+  CURLFORM_COPYCONTENTS    CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
+  CURLFORM_PTRCONTENTS     CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
+  CURLFORM_CONTENTSLENGTH  CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
+  CURLFORM_FILECONTENT     CURL_DEPRECATED(7.56.0, "Use curl_mime_data_cb()"),
+  CURLFORM_ARRAY           CURL_DEPRECATED(7.56.0, ""),
   CURLFORM_OBSOLETE,
-  CURLFORM_FILE,
+  CURLFORM_FILE            CURL_DEPRECATED(7.56.0, "Use curl_mime_filedata()"),
 
-  CURLFORM_BUFFER,
-  CURLFORM_BUFFERPTR,
-  CURLFORM_BUFFERLENGTH,
+  CURLFORM_BUFFER          CURL_DEPRECATED(7.56.0, "Use curl_mime_filename()"),
+  CURLFORM_BUFFERPTR       CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
+  CURLFORM_BUFFERLENGTH    CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
 
-  CURLFORM_CONTENTTYPE,
-  CURLFORM_CONTENTHEADER,
-  CURLFORM_FILENAME,
+  CURLFORM_CONTENTTYPE     CURL_DEPRECATED(7.56.0, "Use curl_mime_type()"),
+  CURLFORM_CONTENTHEADER   CURL_DEPRECATED(7.56.0, "Use curl_mime_headers()"),
+  CURLFORM_FILENAME        CURL_DEPRECATED(7.56.0, "Use curl_mime_filename()"),
   CURLFORM_END,
   CURLFORM_OBSOLETE2,
 
-  CURLFORM_STREAM,
-  CURLFORM_CONTENTLEN, /* added in 7.46.0, provide a curl_off_t length */
+  CURLFORM_STREAM          CURL_DEPRECATED(7.56.0, "Use curl_mime_data_cb()"),
+  CURLFORM_CONTENTLEN  /* added in 7.46.0, provide a curl_off_t length */
+                           CURL_DEPRECATED(7.56.0, "Use curl_mime_data()"),
 
   CURLFORM_LASTENTRY /* the last unused */
 } CURLformoption;
@@ -2470,15 +2543,16 @@ struct curl_forms {
  *
  ***************************************************************************/
 typedef enum {
-  CURL_FORMADD_OK, /* first, no error */
+  CURL_FORMADD_OK             CURL_DEPRECATED(7.56.0, ""), /* 1st, no error */
 
-  CURL_FORMADD_MEMORY,
-  CURL_FORMADD_OPTION_TWICE,
-  CURL_FORMADD_NULL,
-  CURL_FORMADD_UNKNOWN_OPTION,
-  CURL_FORMADD_INCOMPLETE,
-  CURL_FORMADD_ILLEGAL_ARRAY,
-  CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
+  CURL_FORMADD_MEMORY         CURL_DEPRECATED(7.56.0, ""),
+  CURL_FORMADD_OPTION_TWICE   CURL_DEPRECATED(7.56.0, ""),
+  CURL_FORMADD_NULL           CURL_DEPRECATED(7.56.0, ""),
+  CURL_FORMADD_UNKNOWN_OPTION CURL_DEPRECATED(7.56.0, ""),
+  CURL_FORMADD_INCOMPLETE     CURL_DEPRECATED(7.56.0, ""),
+  CURL_FORMADD_ILLEGAL_ARRAY  CURL_DEPRECATED(7.56.0, ""),
+  /* libcurl was built with form api disabled */
+  CURL_FORMADD_DISABLED       CURL_DEPRECATED(7.56.0, ""),
 
   CURL_FORMADD_LAST /* last */
 } CURLFORMcode;
@@ -2492,9 +2566,10 @@ typedef enum {
  * adds one part that together construct a full post. Then use
  * CURLOPT_HTTPPOST to send it off to libcurl.
  */
-CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
-                                      struct curl_httppost **last_post,
-                                      ...);
+CURL_EXTERN CURLFORMcode CURL_DEPRECATED(7.56.0, "Use curl_mime_init()")
+curl_formadd(struct curl_httppost **httppost,
+             struct curl_httppost **last_post,
+             ...);
 
 /*
  * callback function for curl_formget()
@@ -2517,8 +2592,9 @@ typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
  * the curl_formget_callback function.
  * Returns 0 on success.
  */
-CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
-                             curl_formget_callback append);
+CURL_EXTERN int CURL_DEPRECATED(7.56.0, "")
+curl_formget(struct curl_httppost *form, void *arg,
+             curl_formget_callback append);
 /*
  * NAME curl_formfree()
  *
@@ -2526,7 +2602,8 @@ CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
  *
  * Free a multipart formpost previously built with curl_formadd().
  */
-CURL_EXTERN void curl_formfree(struct curl_httppost *form);
+CURL_EXTERN void CURL_DEPRECATED(7.56.0, "Use curl_mime_free()")
+curl_formfree(struct curl_httppost *form);
 
 /*
  * NAME curl_getenv()
@@ -2602,8 +2679,10 @@ CURL_EXTERN void curl_free(void *p);
  *
  * curl_global_init() should be invoked exactly once for each application that
  * uses libcurl and before any call of other libcurl functions.
- *
- * This function is not thread-safe!
+
+ * This function is thread-safe if CURL_VERSION_THREADSAFE is set in the
+ * curl_version_info_data.features flag (fetch by curl_version_info()).
+
  */
 CURL_EXTERN CURLcode curl_global_init(long flags);
 
@@ -2693,8 +2772,8 @@ CURL_EXTERN CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
  * Appends a string to a linked list. If no list exists, it will be created
  * first. Returns the new list, after appending.
  */
-CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
-                                                 const char *);
+CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *list,
+                                                 const char *data);
 
 /*
  * NAME curl_slist_free_all()
@@ -2703,7 +2782,7 @@ CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
  *
  * free a previously built curl_slist.
  */
-CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
+CURL_EXTERN void curl_slist_free_all(struct curl_slist *list);
 
 /*
  * NAME curl_getdate()
@@ -2751,22 +2830,35 @@ typedef enum {
   CURLINFO_NAMELOOKUP_TIME  = CURLINFO_DOUBLE + 4,
   CURLINFO_CONNECT_TIME     = CURLINFO_DOUBLE + 5,
   CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
-  CURLINFO_SIZE_UPLOAD      = CURLINFO_DOUBLE + 7,
+  CURLINFO_SIZE_UPLOAD CURL_DEPRECATED(7.55.0, "Use CURLINFO_SIZE_UPLOAD_T")
+                            = CURLINFO_DOUBLE + 7,
   CURLINFO_SIZE_UPLOAD_T    = CURLINFO_OFF_T  + 7,
-  CURLINFO_SIZE_DOWNLOAD    = CURLINFO_DOUBLE + 8,
+  CURLINFO_SIZE_DOWNLOAD
+                       CURL_DEPRECATED(7.55.0, "Use CURLINFO_SIZE_DOWNLOAD_T")
+                            = CURLINFO_DOUBLE + 8,
   CURLINFO_SIZE_DOWNLOAD_T  = CURLINFO_OFF_T  + 8,
-  CURLINFO_SPEED_DOWNLOAD   = CURLINFO_DOUBLE + 9,
+  CURLINFO_SPEED_DOWNLOAD
+                       CURL_DEPRECATED(7.55.0, "Use CURLINFO_SPEED_DOWNLOAD_T")
+                            = CURLINFO_DOUBLE + 9,
   CURLINFO_SPEED_DOWNLOAD_T = CURLINFO_OFF_T  + 9,
-  CURLINFO_SPEED_UPLOAD     = CURLINFO_DOUBLE + 10,
+  CURLINFO_SPEED_UPLOAD
+                       CURL_DEPRECATED(7.55.0, "Use CURLINFO_SPEED_UPLOAD_T")
+                            = CURLINFO_DOUBLE + 10,
   CURLINFO_SPEED_UPLOAD_T   = CURLINFO_OFF_T  + 10,
   CURLINFO_HEADER_SIZE      = CURLINFO_LONG   + 11,
   CURLINFO_REQUEST_SIZE     = CURLINFO_LONG   + 12,
   CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG   + 13,
   CURLINFO_FILETIME         = CURLINFO_LONG   + 14,
   CURLINFO_FILETIME_T       = CURLINFO_OFF_T  + 14,
-  CURLINFO_CONTENT_LENGTH_DOWNLOAD   = CURLINFO_DOUBLE + 15,
+  CURLINFO_CONTENT_LENGTH_DOWNLOAD
+                       CURL_DEPRECATED(7.55.0,
+                                      "Use CURLINFO_CONTENT_LENGTH_DOWNLOAD_T")
+                            = CURLINFO_DOUBLE + 15,
   CURLINFO_CONTENT_LENGTH_DOWNLOAD_T = CURLINFO_OFF_T  + 15,
-  CURLINFO_CONTENT_LENGTH_UPLOAD     = CURLINFO_DOUBLE + 16,
+  CURLINFO_CONTENT_LENGTH_UPLOAD
+                       CURL_DEPRECATED(7.55.0,
+                                       "Use CURLINFO_CONTENT_LENGTH_UPLOAD_T")
+                            = CURLINFO_DOUBLE + 16,
   CURLINFO_CONTENT_LENGTH_UPLOAD_T   = CURLINFO_OFF_T  + 16,
   CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
   CURLINFO_CONTENT_TYPE     = CURLINFO_STRING + 18,
@@ -2780,7 +2872,8 @@ typedef enum {
   CURLINFO_NUM_CONNECTS     = CURLINFO_LONG   + 26,
   CURLINFO_SSL_ENGINES      = CURLINFO_SLIST  + 27,
   CURLINFO_COOKIELIST       = CURLINFO_SLIST  + 28,
-  CURLINFO_LASTSOCKET       = CURLINFO_LONG   + 29,
+  CURLINFO_LASTSOCKET  CURL_DEPRECATED(7.45.0, "Use CURLINFO_ACTIVESOCKET")
+                            = CURLINFO_LONG   + 29,
   CURLINFO_FTP_ENTRY_PATH   = CURLINFO_STRING + 30,
   CURLINFO_REDIRECT_URL     = CURLINFO_STRING + 31,
   CURLINFO_PRIMARY_IP       = CURLINFO_STRING + 32,
@@ -2794,12 +2887,14 @@ typedef enum {
   CURLINFO_PRIMARY_PORT     = CURLINFO_LONG   + 40,
   CURLINFO_LOCAL_IP         = CURLINFO_STRING + 41,
   CURLINFO_LOCAL_PORT       = CURLINFO_LONG   + 42,
-  CURLINFO_TLS_SESSION      = CURLINFO_PTR    + 43,
+  CURLINFO_TLS_SESSION CURL_DEPRECATED(7.48.0, "Use CURLINFO_TLS_SSL_PTR")
+                            = CURLINFO_PTR    + 43,
   CURLINFO_ACTIVESOCKET     = CURLINFO_SOCKET + 44,
   CURLINFO_TLS_SSL_PTR      = CURLINFO_PTR    + 45,
   CURLINFO_HTTP_VERSION     = CURLINFO_LONG   + 46,
   CURLINFO_PROXY_SSL_VERIFYRESULT = CURLINFO_LONG + 47,
-  CURLINFO_PROTOCOL         = CURLINFO_LONG   + 48,
+  CURLINFO_PROTOCOL    CURL_DEPRECATED(7.85.0, "Use CURLINFO_SCHEME")
+                            = CURLINFO_LONG   + 48,
   CURLINFO_SCHEME           = CURLINFO_STRING + 49,
   CURLINFO_TOTAL_TIME_T     = CURLINFO_OFF_T + 50,
   CURLINFO_NAMELOOKUP_TIME_T = CURLINFO_OFF_T + 51,
@@ -2812,8 +2907,9 @@ typedef enum {
   CURLINFO_EFFECTIVE_METHOD = CURLINFO_STRING + 58,
   CURLINFO_PROXY_ERROR      = CURLINFO_LONG + 59,
   CURLINFO_REFERER          = CURLINFO_STRING + 60,
-
-  CURLINFO_LASTONE          = 60
+  CURLINFO_CAINFO           = CURLINFO_STRING + 61,
+  CURLINFO_CAPATH           = CURLINFO_STRING + 62,
+  CURLINFO_LASTONE          = 62
 } CURLINFO;
 
 /* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
@@ -2832,7 +2928,7 @@ typedef enum {
   CURLCLOSEPOLICY_LAST /* last, never use this */
 } curl_closepolicy;
 
-#define CURL_GLOBAL_SSL (1<<0) /* no purpose since since 7.57.0 */
+#define CURL_GLOBAL_SSL (1<<0) /* no purpose since 7.57.0 */
 #define CURL_GLOBAL_WIN32 (1<<1)
 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
 #define CURL_GLOBAL_NOTHING 0
@@ -2899,8 +2995,9 @@ typedef enum {
 } CURLSHoption;
 
 CURL_EXTERN CURLSH *curl_share_init(void);
-CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
-CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
+CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *share, CURLSHoption option,
+                                         ...);
+CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *share);
 
 /****************************************************************************
  * Structures for querying information about the curl library at runtime.
@@ -2917,6 +3014,7 @@ typedef enum {
   CURLVERSION_EIGHTH,
   CURLVERSION_NINTH,
   CURLVERSION_TENTH,
+  CURLVERSION_ELEVENTH,
   CURLVERSION_LAST /* never actually use this */
 } CURLversion;
 
@@ -2925,7 +3023,7 @@ typedef enum {
    meant to be a built-in version number for what kind of struct the caller
    expects. If the struct ever changes, we redefine the NOW to another enum
    from above. */
-#define CURLVERSION_NOW CURLVERSION_TENTH
+#define CURLVERSION_NOW CURLVERSION_ELEVENTH
 
 struct curl_version_info_data {
   CURLversion age;          /* age of the returned struct */
@@ -2981,6 +3079,10 @@ struct curl_version_info_data {
 
   /* These fields were added in CURLVERSION_TENTH */
   const char *gsasl_version; /* human readable string. */
+
+  /* These fields were added in CURLVERSION_ELEVENTH */
+  /* feature_names is terminated by an entry with a NULL feature name */
+  const char * const *feature_names;
 };
 typedef struct curl_version_info_data curl_version_info_data;
 
@@ -3019,6 +3121,7 @@ typedef struct curl_version_info_data curl_version_info_data;
 #define CURL_VERSION_UNICODE      (1<<27) /* Unicode support on Windows */
 #define CURL_VERSION_HSTS         (1<<28) /* HSTS is supported */
 #define CURL_VERSION_GSASL        (1<<29) /* libgsasl is supported */
+#define CURL_VERSION_THREADSAFE   (1<<30) /* libcurl API is thread-safe */
 
  /*
  * NAME curl_version_info()
@@ -3073,7 +3176,7 @@ CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
 #define CURLPAUSE_CONT      (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
 
 #ifdef  __cplusplus
-}
+} /* end of extern "C" */
 #endif
 
 /* unfortunately, the easy.h and multi.h include files need options and info
@@ -3082,6 +3185,8 @@ CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
 #include "multi.h"
 #include "urlapi.h"
 #include "options.h"
+#include "header.h"
+#include "websockets.h"
 
 /* the typechecker doesn't work in C++ (yet) */
 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
@@ -3098,6 +3203,6 @@ CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
 #define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
 #define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
 #endif /* __STDC__ >= 1 */
-#endif /* gcc >= 4.3 && !__cplusplus */
+#endif /* gcc >= 4.3 && !__cplusplus && !CURL_DISABLE_TYPECHECK */
 
 #endif /* CURLINC_CURL_H */
diff --git a/include/libcurl/include/curl/curlver.h b/include/libcurl/include/curl/curlver.h
index fe57e430..2d55b5ee 100644
--- a/include/libcurl/include/curl/curlver.h
+++ b/include/libcurl/include/curl/curlver.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,22 +20,24 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 /* This header file contains nothing but libcurl version info, generated by
    a script at release-time. This was made its own header file in 7.11.2 */
 
 /* This is the global package copyright */
-#define LIBCURL_COPYRIGHT "1996 - 2021 Daniel Stenberg, <daniel@haxx.se>."
+#define LIBCURL_COPYRIGHT "1996 - 2022 Daniel Stenberg, <daniel@haxx.se>."
 
 /* This is the version number of the libcurl package from which this header
    file origins: */
-#define LIBCURL_VERSION "7.81.0-DEV"
+#define LIBCURL_VERSION "7.87.0"
 
 /* The numeric version number is also available "in parts" by using these
    defines: */
 #define LIBCURL_VERSION_MAJOR 7
-#define LIBCURL_VERSION_MINOR 81
+#define LIBCURL_VERSION_MINOR 87
 #define LIBCURL_VERSION_PATCH 0
 
 /* This is the numeric version of the libcurl version number, meant for easier
@@ -57,7 +59,7 @@
    CURL_VERSION_BITS() macro since curl's own configure script greps for it
    and needs it to contain the full number.
 */
-#define LIBCURL_VERSION_NUM 0x075100
+#define LIBCURL_VERSION_NUM 0x075700
 
 /*
  * This is the date and time when the full source package was created. The
@@ -68,7 +70,7 @@
  *
  * "2007-11-23"
  */
-#define LIBCURL_TIMESTAMP "[unreleased]"
+#define LIBCURL_TIMESTAMP "2022-12-21"
 
 #define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|(z))
 #define CURL_AT_LEAST_VERSION(x,y,z) \
diff --git a/include/libcurl/include/curl/easy.h b/include/libcurl/include/curl/easy.h
index 2dbfb26b..98ee8888 100644
--- a/include/libcurl/include/curl/easy.h
+++ b/include/libcurl/include/curl/easy.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 #ifdef  __cplusplus
 extern "C" {
@@ -117,7 +119,7 @@ CURL_EXTERN CURLcode curl_easy_send(CURL *curl, const void *buffer,
 CURL_EXTERN CURLcode curl_easy_upkeep(CURL *curl);
 
 #ifdef  __cplusplus
-}
+} /* end of extern "C" */
 #endif
 
 #endif
diff --git a/include/libcurl/include/curl/header.h b/include/libcurl/include/curl/header.h
new file mode 100644
index 00000000..1598c6f1
--- /dev/null
+++ b/include/libcurl/include/curl/header.h
@@ -0,0 +1,74 @@
+#ifndef CURLINC_HEADER_H
+#define CURLINC_HEADER_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
+ *
+ ***************************************************************************/
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+struct curl_header {
+  char *name;    /* this might not use the same case */
+  char *value;
+  size_t amount; /* number of headers using this name  */
+  size_t index;  /* ... of this instance, 0 or higher */
+  unsigned int origin; /* see bits below */
+  void *anchor; /* handle privately used by libcurl */
+};
+
+/* 'origin' bits */
+#define CURLH_HEADER    (1<<0) /* plain server header */
+#define CURLH_TRAILER   (1<<1) /* trailers */
+#define CURLH_CONNECT   (1<<2) /* CONNECT headers */
+#define CURLH_1XX       (1<<3) /* 1xx headers */
+#define CURLH_PSEUDO    (1<<4) /* pseudo headers */
+
+typedef enum {
+  CURLHE_OK,
+  CURLHE_BADINDEX,      /* header exists but not with this index */
+  CURLHE_MISSING,       /* no such header exists */
+  CURLHE_NOHEADERS,     /* no headers at all exist (yet) */
+  CURLHE_NOREQUEST,     /* no request with this number was used */
+  CURLHE_OUT_OF_MEMORY, /* out of memory while processing */
+  CURLHE_BAD_ARGUMENT,  /* a function argument was not okay */
+  CURLHE_NOT_BUILT_IN   /* if API was disabled in the build */
+} CURLHcode;
+
+CURL_EXTERN CURLHcode curl_easy_header(CURL *easy,
+                                       const char *name,
+                                       size_t index,
+                                       unsigned int origin,
+                                       int request,
+                                       struct curl_header **hout);
+
+CURL_EXTERN struct curl_header *curl_easy_nextheader(CURL *easy,
+                                                     unsigned int origin,
+                                                     int request,
+                                                     struct curl_header *prev);
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif /* CURLINC_HEADER_H */
diff --git a/include/libcurl/include/curl/mprintf.h b/include/libcurl/include/curl/mprintf.h
index 3549552d..06ef5c6d 100644
--- a/include/libcurl/include/curl/mprintf.h
+++ b/include/libcurl/include/curl/mprintf.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 #include <stdarg.h>
@@ -44,7 +46,7 @@ CURL_EXTERN char *curl_maprintf(const char *format, ...);
 CURL_EXTERN char *curl_mvaprintf(const char *format, va_list args);
 
 #ifdef  __cplusplus
-}
+} /* end of extern "C" */
 #endif
 
 #endif /* CURLINC_MPRINTF_H */
diff --git a/include/libcurl/include/curl/multi.h b/include/libcurl/include/curl/multi.h
index 91cd95d3..c956d28e 100644
--- a/include/libcurl/include/curl/multi.h
+++ b/include/libcurl/include/curl/multi.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 /*
   This is an "external" header file. Don't give away any internals here!
@@ -75,6 +77,7 @@ typedef enum {
   CURLM_WAKEUP_FAILURE,  /* wakeup is unavailable or failed */
   CURLM_BAD_FUNCTION_ARGUMENT, /* function called with a bad parameter */
   CURLM_ABORTED_BY_CALLBACK,
+  CURLM_UNRECOVERABLE_POLL,
   CURLM_LAST
 } CURLMcode;
 
@@ -121,7 +124,7 @@ struct curl_waitfd {
 /*
  * Name:    curl_multi_init()
  *
- * Desc:    inititalize multi-style curl usage
+ * Desc:    initialize multi-style curl usage
  *
  * Returns: a new CURLM handle to use in all 'curl_multi' functions.
  */
@@ -315,16 +318,16 @@ typedef int (*curl_multi_timer_callback)(CURLM *multi,    /* multi handle */
                                          void *userp);    /* private callback
                                                              pointer */
 
-CURL_EXTERN CURLMcode curl_multi_socket(CURLM *multi_handle, curl_socket_t s,
-                                        int *running_handles);
+CURL_EXTERN CURLMcode CURL_DEPRECATED(7.19.5, "Use curl_multi_socket_action()")
+curl_multi_socket(CURLM *multi_handle, curl_socket_t s, int *running_handles);
 
 CURL_EXTERN CURLMcode curl_multi_socket_action(CURLM *multi_handle,
                                                curl_socket_t s,
                                                int ev_bitmask,
                                                int *running_handles);
 
-CURL_EXTERN CURLMcode curl_multi_socket_all(CURLM *multi_handle,
-                                            int *running_handles);
+CURL_EXTERN CURLMcode CURL_DEPRECATED(7.19.5, "Use curl_multi_socket_action()")
+curl_multi_socket_all(CURLM *multi_handle, int *running_handles);
 
 #ifndef CURL_ALLOW_OLD_MULTI_SOCKET
 /* This macro below was added in 7.16.3 to push users who recompile to use
diff --git a/include/libcurl/include/curl/options.h b/include/libcurl/include/curl/options.h
index 14373b55..a792687c 100644
--- a/include/libcurl/include/curl/options.h
+++ b/include/libcurl/include/curl/options.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2018 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 #ifdef  __cplusplus
@@ -31,7 +33,7 @@ typedef enum {
   CURLOT_VALUES,  /*      (a defined set or bitmask) */
   CURLOT_OFF_T,   /* curl_off_t (a range of values) */
   CURLOT_OBJECT,  /* pointer (void *) */
-  CURLOT_STRING,  /*         (char * to zero terminated buffer) */
+  CURLOT_STRING,  /*         (char * to null-terminated buffer) */
   CURLOT_SLIST,   /*         (struct curl_slist *) */
   CURLOT_CBPTR,   /*         (void * passed as-is to a callback) */
   CURLOT_BLOB,    /* blob (struct curl_blob *) */
@@ -57,7 +59,7 @@ CURL_EXTERN const struct curl_easyoption *
 curl_easy_option_by_name(const char *name);
 
 CURL_EXTERN const struct curl_easyoption *
-curl_easy_option_by_id (CURLoption id);
+curl_easy_option_by_id(CURLoption id);
 
 CURL_EXTERN const struct curl_easyoption *
 curl_easy_option_next(const struct curl_easyoption *prev);
diff --git a/include/libcurl/include/curl/stdcheaders.h b/include/libcurl/include/curl/stdcheaders.h
index 60596c75..82e1b5fe 100644
--- a/include/libcurl/include/curl/stdcheaders.h
+++ b/include/libcurl/include/curl/stdcheaders.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 #include <sys/types.h>
diff --git a/include/libcurl/include/curl/system.h b/include/libcurl/include/curl/system.h
index faf8fcf8..11db51ec 100644
--- a/include/libcurl/include/curl/system.h
+++ b/include/libcurl/include/curl/system.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 /*
@@ -98,22 +100,6 @@
 #  define CURL_SUFFIX_CURL_OFF_TU    UL
 #  define CURL_TYPEOF_CURL_SOCKLEN_T int
 
-#elif defined(__WATCOMC__)
-#  if defined(__386__)
-#    define CURL_TYPEOF_CURL_OFF_T     __int64
-#    define CURL_FORMAT_CURL_OFF_T     "I64d"
-#    define CURL_FORMAT_CURL_OFF_TU    "I64u"
-#    define CURL_SUFFIX_CURL_OFF_T     i64
-#    define CURL_SUFFIX_CURL_OFF_TU    ui64
-#  else
-#    define CURL_TYPEOF_CURL_OFF_T     long
-#    define CURL_FORMAT_CURL_OFF_T     "ld"
-#    define CURL_FORMAT_CURL_OFF_TU    "lu"
-#    define CURL_SUFFIX_CURL_OFF_T     L
-#    define CURL_SUFFIX_CURL_OFF_TU    UL
-#  endif
-#  define CURL_TYPEOF_CURL_SOCKLEN_T int
-
 #elif defined(__POCC__)
 #  if (__POCC__ < 280)
 #    define CURL_TYPEOF_CURL_OFF_T     long
@@ -137,7 +123,7 @@
 #  define CURL_TYPEOF_CURL_SOCKLEN_T int
 
 #elif defined(__LCC__)
-#  if defined(__e2k__) /* MCST eLbrus C Compiler */
+#  if defined(__MCST__) /* MCST eLbrus Compiler Collection */
 #    define CURL_TYPEOF_CURL_OFF_T     long
 #    define CURL_FORMAT_CURL_OFF_T     "ld"
 #    define CURL_FORMAT_CURL_OFF_TU    "lu"
@@ -178,13 +164,33 @@
 #  endif
 #  define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
 
-#elif defined(__MWERKS__)
+#elif defined(macintosh)
+#  include <ConditionalMacros.h>
+#  if TYPE_LONGLONG
+#    define CURL_TYPEOF_CURL_OFF_T     long long
+#    define CURL_FORMAT_CURL_OFF_T     "lld"
+#    define CURL_FORMAT_CURL_OFF_TU    "llu"
+#    define CURL_SUFFIX_CURL_OFF_T     LL
+#    define CURL_SUFFIX_CURL_OFF_TU    ULL
+#  else
+#    define CURL_TYPEOF_CURL_OFF_T     long
+#    define CURL_FORMAT_CURL_OFF_T     "ld"
+#    define CURL_FORMAT_CURL_OFF_TU    "lu"
+#    define CURL_SUFFIX_CURL_OFF_T     L
+#    define CURL_SUFFIX_CURL_OFF_TU    UL
+#  endif
+#  define CURL_TYPEOF_CURL_SOCKLEN_T unsigned int
+
+#elif defined(__TANDEM)
+# if ! defined(__LP64)
+   /* Required for 32-bit NonStop builds only. */
 #  define CURL_TYPEOF_CURL_OFF_T     long long
 #  define CURL_FORMAT_CURL_OFF_T     "lld"
 #  define CURL_FORMAT_CURL_OFF_TU    "llu"
 #  define CURL_SUFFIX_CURL_OFF_T     LL
 #  define CURL_SUFFIX_CURL_OFF_TU    ULL
 #  define CURL_TYPEOF_CURL_SOCKLEN_T int
+# endif
 
 #elif defined(_WIN32_WCE)
 #  define CURL_TYPEOF_CURL_OFF_T     __int64
diff --git a/include/libcurl/include/curl/typecheck-gcc.h b/include/libcurl/include/curl/typecheck-gcc.h
index 9e14d8a3..bf655bb6 100644
--- a/include/libcurl/include/curl/typecheck-gcc.h
+++ b/include/libcurl/include/curl/typecheck-gcc.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 /* wraps curl_easy_setopt() with typechecking */
@@ -40,107 +42,113 @@
  */
 #define curl_easy_setopt(handle, option, value)                         \
   __extension__({                                                       \
-      __typeof__(option) _curl_opt = option;                            \
+      CURL_IGNORE_DEPRECATION(__typeof__(option) _curl_opt = option;)   \
       if(__builtin_constant_p(_curl_opt)) {                             \
-        if(curlcheck_long_option(_curl_opt))                            \
-          if(!curlcheck_long(value))                                    \
-            _curl_easy_setopt_err_long();                               \
-        if(curlcheck_off_t_option(_curl_opt))                           \
-          if(!curlcheck_off_t(value))                                   \
-            _curl_easy_setopt_err_curl_off_t();                         \
-        if(curlcheck_string_option(_curl_opt))                          \
-          if(!curlcheck_string(value))                                  \
-            _curl_easy_setopt_err_string();                             \
-        if(curlcheck_write_cb_option(_curl_opt))                        \
-          if(!curlcheck_write_cb(value))                                \
-            _curl_easy_setopt_err_write_callback();                     \
-        if((_curl_opt) == CURLOPT_RESOLVER_START_FUNCTION)              \
-          if(!curlcheck_resolver_start_callback(value))                 \
-            _curl_easy_setopt_err_resolver_start_callback();            \
-        if((_curl_opt) == CURLOPT_READFUNCTION)                         \
-          if(!curlcheck_read_cb(value))                                 \
-            _curl_easy_setopt_err_read_cb();                            \
-        if((_curl_opt) == CURLOPT_IOCTLFUNCTION)                        \
-          if(!curlcheck_ioctl_cb(value))                                \
-            _curl_easy_setopt_err_ioctl_cb();                           \
-        if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION)                      \
-          if(!curlcheck_sockopt_cb(value))                              \
-            _curl_easy_setopt_err_sockopt_cb();                         \
-        if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION)                   \
-          if(!curlcheck_opensocket_cb(value))                           \
-            _curl_easy_setopt_err_opensocket_cb();                      \
-        if((_curl_opt) == CURLOPT_PROGRESSFUNCTION)                     \
-          if(!curlcheck_progress_cb(value))                             \
-            _curl_easy_setopt_err_progress_cb();                        \
-        if((_curl_opt) == CURLOPT_DEBUGFUNCTION)                        \
-          if(!curlcheck_debug_cb(value))                                \
-            _curl_easy_setopt_err_debug_cb();                           \
-        if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION)                     \
-          if(!curlcheck_ssl_ctx_cb(value))                              \
-            _curl_easy_setopt_err_ssl_ctx_cb();                         \
-        if(curlcheck_conv_cb_option(_curl_opt))                         \
-          if(!curlcheck_conv_cb(value))                                 \
-            _curl_easy_setopt_err_conv_cb();                            \
-        if((_curl_opt) == CURLOPT_SEEKFUNCTION)                         \
-          if(!curlcheck_seek_cb(value))                                 \
-            _curl_easy_setopt_err_seek_cb();                            \
-        if(curlcheck_cb_data_option(_curl_opt))                         \
-          if(!curlcheck_cb_data(value))                                 \
-            _curl_easy_setopt_err_cb_data();                            \
-        if((_curl_opt) == CURLOPT_ERRORBUFFER)                          \
-          if(!curlcheck_error_buffer(value))                            \
-            _curl_easy_setopt_err_error_buffer();                       \
-        if((_curl_opt) == CURLOPT_STDERR)                               \
-          if(!curlcheck_FILE(value))                                    \
-            _curl_easy_setopt_err_FILE();                               \
-        if(curlcheck_postfields_option(_curl_opt))                      \
-          if(!curlcheck_postfields(value))                              \
-            _curl_easy_setopt_err_postfields();                         \
-        if((_curl_opt) == CURLOPT_HTTPPOST)                             \
-          if(!curlcheck_arr((value), struct curl_httppost))             \
-            _curl_easy_setopt_err_curl_httpost();                       \
-        if((_curl_opt) == CURLOPT_MIMEPOST)                             \
-          if(!curlcheck_ptr((value), curl_mime))                        \
-            _curl_easy_setopt_err_curl_mimepost();                      \
-        if(curlcheck_slist_option(_curl_opt))                           \
-          if(!curlcheck_arr((value), struct curl_slist))                \
-            _curl_easy_setopt_err_curl_slist();                         \
-        if((_curl_opt) == CURLOPT_SHARE)                                \
-          if(!curlcheck_ptr((value), CURLSH))                           \
-            _curl_easy_setopt_err_CURLSH();                             \
+        (void) option;                                                  \
+        CURL_IGNORE_DEPRECATION(                                        \
+          if(curlcheck_long_option(_curl_opt))                          \
+            if(!curlcheck_long(value))                                  \
+              _curl_easy_setopt_err_long();                             \
+          if(curlcheck_off_t_option(_curl_opt))                         \
+            if(!curlcheck_off_t(value))                                 \
+              _curl_easy_setopt_err_curl_off_t();                       \
+          if(curlcheck_string_option(_curl_opt))                        \
+            if(!curlcheck_string(value))                                \
+              _curl_easy_setopt_err_string();                           \
+          if(curlcheck_write_cb_option(_curl_opt))                      \
+            if(!curlcheck_write_cb(value))                              \
+              _curl_easy_setopt_err_write_callback();                   \
+          if((_curl_opt) == CURLOPT_RESOLVER_START_FUNCTION)            \
+            if(!curlcheck_resolver_start_callback(value))               \
+              _curl_easy_setopt_err_resolver_start_callback();          \
+          if((_curl_opt) == CURLOPT_READFUNCTION)                       \
+            if(!curlcheck_read_cb(value))                               \
+              _curl_easy_setopt_err_read_cb();                          \
+          if((_curl_opt) == CURLOPT_IOCTLFUNCTION)                      \
+            if(!curlcheck_ioctl_cb(value))                              \
+              _curl_easy_setopt_err_ioctl_cb();                         \
+          if((_curl_opt) == CURLOPT_SOCKOPTFUNCTION)                    \
+            if(!curlcheck_sockopt_cb(value))                            \
+              _curl_easy_setopt_err_sockopt_cb();                       \
+          if((_curl_opt) == CURLOPT_OPENSOCKETFUNCTION)                 \
+            if(!curlcheck_opensocket_cb(value))                         \
+              _curl_easy_setopt_err_opensocket_cb();                    \
+          if((_curl_opt) == CURLOPT_PROGRESSFUNCTION)                   \
+            if(!curlcheck_progress_cb(value))                           \
+              _curl_easy_setopt_err_progress_cb();                      \
+          if((_curl_opt) == CURLOPT_DEBUGFUNCTION)                      \
+            if(!curlcheck_debug_cb(value))                              \
+              _curl_easy_setopt_err_debug_cb();                         \
+          if((_curl_opt) == CURLOPT_SSL_CTX_FUNCTION)                   \
+            if(!curlcheck_ssl_ctx_cb(value))                            \
+              _curl_easy_setopt_err_ssl_ctx_cb();                       \
+          if(curlcheck_conv_cb_option(_curl_opt))                       \
+            if(!curlcheck_conv_cb(value))                               \
+              _curl_easy_setopt_err_conv_cb();                          \
+          if((_curl_opt) == CURLOPT_SEEKFUNCTION)                       \
+            if(!curlcheck_seek_cb(value))                               \
+              _curl_easy_setopt_err_seek_cb();                          \
+          if(curlcheck_cb_data_option(_curl_opt))                       \
+            if(!curlcheck_cb_data(value))                               \
+              _curl_easy_setopt_err_cb_data();                          \
+          if((_curl_opt) == CURLOPT_ERRORBUFFER)                        \
+            if(!curlcheck_error_buffer(value))                          \
+              _curl_easy_setopt_err_error_buffer();                     \
+          if((_curl_opt) == CURLOPT_STDERR)                             \
+            if(!curlcheck_FILE(value))                                  \
+              _curl_easy_setopt_err_FILE();                             \
+          if(curlcheck_postfields_option(_curl_opt))                    \
+            if(!curlcheck_postfields(value))                            \
+              _curl_easy_setopt_err_postfields();                       \
+          if((_curl_opt) == CURLOPT_HTTPPOST)                           \
+            if(!curlcheck_arr((value), struct curl_httppost))           \
+              _curl_easy_setopt_err_curl_httpost();                     \
+          if((_curl_opt) == CURLOPT_MIMEPOST)                           \
+            if(!curlcheck_ptr((value), curl_mime))                      \
+              _curl_easy_setopt_err_curl_mimepost();                    \
+          if(curlcheck_slist_option(_curl_opt))                         \
+            if(!curlcheck_arr((value), struct curl_slist))              \
+              _curl_easy_setopt_err_curl_slist();                       \
+          if((_curl_opt) == CURLOPT_SHARE)                              \
+            if(!curlcheck_ptr((value), CURLSH))                         \
+              _curl_easy_setopt_err_CURLSH();                           \
+        )                                                               \
       }                                                                 \
       curl_easy_setopt(handle, _curl_opt, value);                       \
     })
 
 /* wraps curl_easy_getinfo() with typechecking */
 #define curl_easy_getinfo(handle, info, arg)                            \
-  __extension__({                                                      \
-      __typeof__(info) _curl_info = info;                               \
+  __extension__({                                                       \
+      CURL_IGNORE_DEPRECATION(__typeof__(info) _curl_info = info;)      \
       if(__builtin_constant_p(_curl_info)) {                            \
-        if(curlcheck_string_info(_curl_info))                           \
-          if(!curlcheck_arr((arg), char *))                             \
-            _curl_easy_getinfo_err_string();                            \
-        if(curlcheck_long_info(_curl_info))                             \
-          if(!curlcheck_arr((arg), long))                               \
-            _curl_easy_getinfo_err_long();                              \
-        if(curlcheck_double_info(_curl_info))                           \
-          if(!curlcheck_arr((arg), double))                             \
-            _curl_easy_getinfo_err_double();                            \
-        if(curlcheck_slist_info(_curl_info))                            \
-          if(!curlcheck_arr((arg), struct curl_slist *))                \
-            _curl_easy_getinfo_err_curl_slist();                        \
-        if(curlcheck_tlssessioninfo_info(_curl_info))                   \
-          if(!curlcheck_arr((arg), struct curl_tlssessioninfo *))       \
-            _curl_easy_getinfo_err_curl_tlssesssioninfo();              \
-        if(curlcheck_certinfo_info(_curl_info))                         \
-          if(!curlcheck_arr((arg), struct curl_certinfo *))             \
-            _curl_easy_getinfo_err_curl_certinfo();                     \
-        if(curlcheck_socket_info(_curl_info))                           \
-          if(!curlcheck_arr((arg), curl_socket_t))                      \
-            _curl_easy_getinfo_err_curl_socket();                       \
-        if(curlcheck_off_t_info(_curl_info))                            \
-          if(!curlcheck_arr((arg), curl_off_t))                         \
-            _curl_easy_getinfo_err_curl_off_t();                        \
+        (void) info;                                                    \
+        CURL_IGNORE_DEPRECATION(                                        \
+          if(curlcheck_string_info(_curl_info))                         \
+            if(!curlcheck_arr((arg), char *))                           \
+              _curl_easy_getinfo_err_string();                          \
+          if(curlcheck_long_info(_curl_info))                           \
+            if(!curlcheck_arr((arg), long))                             \
+              _curl_easy_getinfo_err_long();                            \
+          if(curlcheck_double_info(_curl_info))                         \
+            if(!curlcheck_arr((arg), double))                           \
+              _curl_easy_getinfo_err_double();                          \
+          if(curlcheck_slist_info(_curl_info))                          \
+            if(!curlcheck_arr((arg), struct curl_slist *))              \
+              _curl_easy_getinfo_err_curl_slist();                      \
+          if(curlcheck_tlssessioninfo_info(_curl_info))                 \
+            if(!curlcheck_arr((arg), struct curl_tlssessioninfo *))     \
+              _curl_easy_getinfo_err_curl_tlssesssioninfo();            \
+          if(curlcheck_certinfo_info(_curl_info))                       \
+            if(!curlcheck_arr((arg), struct curl_certinfo *))           \
+              _curl_easy_getinfo_err_curl_certinfo();                   \
+          if(curlcheck_socket_info(_curl_info))                         \
+            if(!curlcheck_arr((arg), curl_socket_t))                    \
+              _curl_easy_getinfo_err_curl_socket();                     \
+          if(curlcheck_off_t_info(_curl_info))                          \
+            if(!curlcheck_arr((arg), curl_off_t))                       \
+              _curl_easy_getinfo_err_curl_off_t();                      \
+        )                                                               \
       }                                                                 \
       curl_easy_getinfo(handle, _curl_info, arg);                       \
     })
@@ -270,9 +278,9 @@ CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
    (option) == CURLOPT_DNS_SERVERS ||                                         \
    (option) == CURLOPT_DOH_URL ||                                             \
    (option) == CURLOPT_EGDSOCKET ||                                           \
-   (option) == CURLOPT_FTPPORT ||                                             \
    (option) == CURLOPT_FTP_ACCOUNT ||                                         \
    (option) == CURLOPT_FTP_ALTERNATIVE_TO_USER ||                             \
+   (option) == CURLOPT_FTPPORT ||                                             \
    (option) == CURLOPT_HSTS ||                                                \
    (option) == CURLOPT_INTERFACE ||                                           \
    (option) == CURLOPT_ISSUERCERT ||                                          \
@@ -286,10 +294,8 @@ CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
    (option) == CURLOPT_PASSWORD ||                                            \
    (option) == CURLOPT_PINNEDPUBLICKEY ||                                     \
    (option) == CURLOPT_PRE_PROXY ||                                           \
+   (option) == CURLOPT_PROTOCOLS_STR ||                                       \
    (option) == CURLOPT_PROXY ||                                               \
-   (option) == CURLOPT_PROXYPASSWORD ||                                       \
-   (option) == CURLOPT_PROXYUSERNAME ||                                       \
-   (option) == CURLOPT_PROXYUSERPWD ||                                        \
    (option) == CURLOPT_PROXY_CAINFO ||                                        \
    (option) == CURLOPT_PROXY_CAPATH ||                                        \
    (option) == CURLOPT_PROXY_CRLFILE ||                                       \
@@ -297,17 +303,21 @@ CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
    (option) == CURLOPT_PROXY_KEYPASSWD ||                                     \
    (option) == CURLOPT_PROXY_PINNEDPUBLICKEY ||                               \
    (option) == CURLOPT_PROXY_SERVICE_NAME ||                                  \
+   (option) == CURLOPT_PROXY_SSL_CIPHER_LIST ||                               \
    (option) == CURLOPT_PROXY_SSLCERT ||                                       \
    (option) == CURLOPT_PROXY_SSLCERTTYPE ||                                   \
    (option) == CURLOPT_PROXY_SSLKEY ||                                        \
    (option) == CURLOPT_PROXY_SSLKEYTYPE ||                                    \
-   (option) == CURLOPT_PROXY_SSL_CIPHER_LIST ||                               \
    (option) == CURLOPT_PROXY_TLS13_CIPHERS ||                                 \
    (option) == CURLOPT_PROXY_TLSAUTH_PASSWORD ||                              \
    (option) == CURLOPT_PROXY_TLSAUTH_TYPE ||                                  \
    (option) == CURLOPT_PROXY_TLSAUTH_USERNAME ||                              \
+   (option) == CURLOPT_PROXYPASSWORD ||                                       \
+   (option) == CURLOPT_PROXYUSERNAME ||                                       \
+   (option) == CURLOPT_PROXYUSERPWD ||                                        \
    (option) == CURLOPT_RANDOM_FILE ||                                         \
    (option) == CURLOPT_RANGE ||                                               \
+   (option) == CURLOPT_REDIR_PROTOCOLS_STR ||                                 \
    (option) == CURLOPT_REFERER ||                                             \
    (option) == CURLOPT_REQUEST_TARGET ||                                      \
    (option) == CURLOPT_RTSP_SESSION_ID ||                                     \
@@ -374,6 +384,7 @@ CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
    (option) == CURLOPT_WRITEDATA ||                                           \
    (option) == CURLOPT_RESOLVER_START_DATA ||                                 \
    (option) == CURLOPT_TRAILERDATA ||                                         \
+   (option) == CURLOPT_SSH_HOSTKEYDATA ||                                     \
    0)
 
 /* evaluates to true if option takes a POST data argument (void* or char*) */
@@ -431,7 +442,7 @@ CURLWARNING(_curl_easy_getinfo_err_curl_off_t,
   (CURLINFO_OFF_T < (info))
 
 
-/* typecheck helpers -- check whether given expression has requested type*/
+/* typecheck helpers -- check whether given expression has requested type */
 
 /* For pointers, you can use the curlcheck_ptr/curlcheck_arr macros,
  * otherwise define a new macro. Search for __builtin_types_compatible_p
diff --git a/include/libcurl/include/curl/urlapi.h b/include/libcurl/include/curl/urlapi.h
index a475f91b..e15c213c 100644
--- a/include/libcurl/include/curl/urlapi.h
+++ b/include/libcurl/include/curl/urlapi.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2018 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * 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
@@ -20,6 +20,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 
 #include "curl.h"
diff --git a/include/libcurl/include/curl/websockets.h b/include/libcurl/include/curl/websockets.h
new file mode 100644
index 00000000..4d57f91e
--- /dev/null
+++ b/include/libcurl/include/curl/websockets.h
@@ -0,0 +1,83 @@
+#ifndef CURLINC_WEBSOCKETS_H
+#define CURLINC_WEBSOCKETS_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
+ *
+ ***************************************************************************/
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+struct curl_ws_frame {
+  int age;              /* zero */
+  int flags;            /* See the CURLWS_* defines */
+  curl_off_t offset;    /* the offset of this data into the frame */
+  curl_off_t bytesleft; /* number of pending bytes left of the payload */
+};
+
+/* flag bits */
+#define CURLWS_TEXT       (1<<0)
+#define CURLWS_BINARY     (1<<1)
+#define CURLWS_CONT       (1<<2)
+#define CURLWS_CLOSE      (1<<3)
+#define CURLWS_PING       (1<<4)
+#define CURLWS_OFFSET     (1<<5)
+
+/*
+ * NAME curl_ws_recv()
+ *
+ * DESCRIPTION
+ *
+ * Receives data from the websocket connection. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_ws_recv(CURL *curl, void *buffer, size_t buflen,
+                                  size_t *recv,
+                                  struct curl_ws_frame **metap);
+
+/* sendflags for curl_ws_send() */
+#define CURLWS_PONG       (1<<6)
+
+/*
+ * NAME curl_easy_send()
+ *
+ * DESCRIPTION
+ *
+ * Sends data over the websocket connection. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_ws_send(CURL *curl, const void *buffer,
+                                  size_t buflen, size_t *sent,
+                                  curl_off_t framesize,
+                                  unsigned int sendflags);
+
+/* bits for the CURLOPT_WS_OPTIONS bitmask: */
+#define CURLWS_RAW_MODE (1<<0)
+
+CURL_EXTERN struct curl_ws_frame *curl_ws_meta(CURL *curl);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* CURLINC_WEBSOCKETS_H */
diff --git a/include/libcurl/lib/libcurl_a.lib b/include/libcurl/lib/libcurl_a.lib
deleted file mode 100644
index 32b917c9..00000000
--- a/include/libcurl/lib/libcurl_a.lib
+++ /dev/null
diff --git a/include/libcurl/libcurl.lib b/include/libcurl/libcurl.lib
new file mode 100644
index 00000000..ca687186
--- /dev/null
+++ b/include/libcurl/libcurl.lib