* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2020, 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 http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.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
#define PORT_IMAPS 993
#define PORT_POP3 110
#define PORT_POP3S 995
+#define PORT_SMB 445
+#define PORT_SMBS 445
#define PORT_SMTP 25
#define PORT_SMTPS 465 /* sometimes called SSMTP */
#define PORT_RTSP 554
#define PORT_RTMPT PORT_HTTP
#define PORT_RTMPS PORT_HTTPS
#define PORT_GOPHER 70
+#define PORT_MQTT 1883
#define DICT_MATCH "/MATCH:"
#define DICT_MATCH2 "/M:"
#define CURL_DEFAULT_USER "anonymous"
#define CURL_DEFAULT_PASSWORD "ftp@example.com"
+/* Convenience defines for checking protocols or their SSL based version. Each
+ protocol handler should only ever have a single CURLPROTO_ in its protocol
+ field. */
+#define PROTO_FAMILY_HTTP (CURLPROTO_HTTP|CURLPROTO_HTTPS)
+#define PROTO_FAMILY_FTP (CURLPROTO_FTP|CURLPROTO_FTPS)
+#define PROTO_FAMILY_POP3 (CURLPROTO_POP3|CURLPROTO_POP3S)
+#define PROTO_FAMILY_SMB (CURLPROTO_SMB|CURLPROTO_SMBS)
+#define PROTO_FAMILY_SMTP (CURLPROTO_SMTP|CURLPROTO_SMTPS)
+#define PROTO_FAMILY_SSH (CURLPROTO_SCP|CURLPROTO_SFTP)
+
#define DEFAULT_CONNCACHE_SIZE 5
/* length of longest IPv6 address string including the trailing null */
#define MAX_IPADR_LEN sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")
-/* Default FTP/IMAP etc response timeout in milliseconds.
- Symbian OS panics when given a timeout much greater than 1/2 hour.
-*/
-#define RESP_TIMEOUT (1800*1000)
+/* Default FTP/IMAP etc response timeout in milliseconds */
+#define RESP_TIMEOUT (120*1000)
+
+/* Max string input length is a precaution against abuse and to detect junk
+ input easier and better. */
+#define CURL_MAX_INPUT_LENGTH 8000000
#include "cookie.h"
+#include "psl.h"
#include "formdata.h"
-#ifdef USE_SSLEAY
-#ifdef USE_OPENSSL
-#include <openssl/rsa.h>
-#include <openssl/crypto.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/ssl.h>
-#include <openssl/err.h>
-#ifdef HAVE_OPENSSL_ENGINE_H
-#include <openssl/engine.h>
-#endif
-#ifdef HAVE_OPENSSL_PKCS12_H
-#include <openssl/pkcs12.h>
-#endif
-#else /* SSLeay-style includes */
-#include <rsa.h>
-#include <crypto.h>
-#include <x509.h>
-#include <pem.h>
-#include <ssl.h>
-#include <err.h>
-#ifdef HAVE_OPENSSL_ENGINE_H
-#include <engine.h>
-#endif
-#ifdef HAVE_OPENSSL_PKCS12_H
-#include <pkcs12.h>
-#endif
-#endif /* USE_OPENSSL */
-#ifdef USE_GNUTLS
-#error Configuration error; cannot use GnuTLS *and* OpenSSL.
-#endif
-#endif /* USE_SSLEAY */
-
-#ifdef USE_GNUTLS
-#include <gnutls/gnutls.h>
-#endif
-
-#ifdef USE_POLARSSL
-#include <polarssl/ssl.h>
-#include <polarssl/version.h>
-#if POLARSSL_VERSION_NUMBER<0x01010000
-#include <polarssl/havege.h>
-#else
-#include <polarssl/entropy.h>
-#include <polarssl/ctr_drbg.h>
-#endif /* POLARSSL_VERSION_NUMBER<0x01010000 */
-#endif /* USE_POLARSSL */
-
-#ifdef USE_CYASSL
-#undef OCSP_REQUEST /* avoid cyassl/openssl/ssl.h clash with wincrypt.h */
-#undef OCSP_RESPONSE /* avoid cyassl/openssl/ssl.h clash with wincrypt.h */
-#include <cyassl/openssl/ssl.h>
-#endif
-
-#ifdef USE_NSS
-#include <nspr.h>
-#include <pk11pub.h>
-#endif
-
-#ifdef USE_QSOSSL
-#include <qsossl.h>
-#endif
-
-#ifdef USE_AXTLS
-#include <axTLS/ssl.h>
-#undef malloc
-#undef calloc
-#undef realloc
-#endif /* USE_AXTLS */
-
-#ifdef USE_SCHANNEL
-#include "curl_sspi.h"
-#include <schnlsp.h>
-#include <schannel.h>
-#endif
-
-#ifdef USE_DARWINSSL
-#include <Security/Security.h>
-/* For some reason, when building for iOS, the omnibus header above does
- * not include SecureTransport.h as of iOS SDK 5.1. */
-#include <Security/SecureTransport.h>
-#endif
-
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
#include "timeval.h"
-#ifdef HAVE_ZLIB_H
-#include <zlib.h> /* for content-encoding */
-#ifdef __SYMBIAN32__
-/* zlib pollutes the namespace with this definition */
-#undef WIN32
-#endif
-#endif
-
#include <curl/curl.h>
#include "http_chunks.h" /* for the structs and enum stuff */
#include "hostip.h"
#include "hash.h"
#include "splay.h"
+#include "dynbuf.h"
+
+/* return the count of bytes sent, or -1 on error */
+typedef ssize_t (Curl_send)(struct connectdata *conn, /* connection data */
+ int sockindex, /* socketindex */
+ const void *buf, /* data to write */
+ size_t len, /* max amount to write */
+ CURLcode *err); /* error to return */
+/* return the count of bytes read, or -1 on error */
+typedef ssize_t (Curl_recv)(struct connectdata *conn, /* connection data */
+ int sockindex, /* socketindex */
+ char *buf, /* store data here */
+ size_t len, /* max amount to read */
+ CURLcode *err); /* error to return */
+
+#include "mime.h"
#include "imap.h"
#include "pop3.h"
#include "smtp.h"
#include "ftp.h"
#include "file.h"
-#include "ssh.h"
+#include "vssh/ssh.h"
#include "http.h"
#include "rtsp.h"
+#include "smb.h"
+#include "mqtt.h"
#include "wildcard.h"
+#include "multihandle.h"
+#include "quic.h"
#ifdef HAVE_GSSAPI
# ifdef HAVE_GSSGNU
# include <gss.h>
-# elif defined HAVE_GSSMIT
+# elif defined HAVE_GSSAPI_GSSAPI_H
# include <gssapi/gssapi.h>
-# include <gssapi/gssapi_generic.h>
# else
# include <gssapi.h>
# endif
+# ifdef HAVE_GSSAPI_GSSAPI_GENERIC_H
+# include <gssapi/gssapi_generic.h>
+# endif
#endif
#ifdef HAVE_LIBSSH2_H
#include <libssh2_sftp.h>
#endif /* HAVE_LIBSSH2_H */
-/* Download buffer size, keep it fairly big for speed reasons */
-#undef BUFSIZE
-#define BUFSIZE CURL_MAX_WRITE_SIZE
-
-/* Initial size of the buffer to store headers in, it'll be enlarged in case
- of need. */
-#define HEADERSIZE 256
-
#define CURLEASY_MAGIC_NUMBER 0xc0dedbadU
+#define GOOD_EASY_HANDLE(x) \
+ ((x) && ((x)->magic == CURLEASY_MAGIC_NUMBER))
-/* Some convenience macros to get the larger/smaller value out of two given.
- We prefix with CURL to prevent name collisions. */
-#define CURLMAX(x,y) ((x)>(y)?(x):(y))
-#define CURLMIN(x,y) ((x)<(y)?(x):(y))
-
+/* the type we use for storing a single boolean bit */
+#ifdef _MSC_VER
+typedef bool bit;
+#define BIT(x) bool x
+#else
+typedef unsigned int bit;
+#define BIT(x) bit x:1
+#endif
-#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
-/* Types needed for krb4/5-ftp connections */
-struct krb4buffer {
+#ifdef HAVE_GSSAPI
+/* Types needed for krb5-ftp connections */
+struct krb5buffer {
void *data;
size_t size;
size_t index;
- int eof_flag;
+ BIT(eof_flag);
};
enum protection_level {
};
#endif
-#ifdef USE_SCHANNEL
-/* Structs to store Schannel handles */
-struct curl_schannel_cred {
- CredHandle cred_handle;
- TimeStamp time_stamp;
- int refcount;
- bool cached;
-};
-
-struct curl_schannel_ctxt {
- CtxtHandle ctxt_handle;
- TimeStamp time_stamp;
-};
-#endif
-
/* enum for the nonblocking SSL connection state machine */
typedef enum {
ssl_connect_1,
ssl_connection_complete
} ssl_connection_state;
+/* SSL backend-specific data; declared differently by each SSL backend */
+struct ssl_backend_data;
+
/* struct for data related to each SSL connection */
struct ssl_connect_data {
/* Use ssl encrypted communications TRUE/FALSE, not necessarily using it atm
but at least asked to or meaning to use it. See 'state' for the exact
current state of the connection. */
- bool use;
ssl_connection_state state;
-#ifdef USE_SSLEAY
- /* these ones requires specific SSL-types */
- SSL_CTX* ctx;
- SSL* handle;
- X509* server_cert;
ssl_connect_state connecting_state;
-#endif /* USE_SSLEAY */
-#ifdef USE_GNUTLS
- gnutls_session session;
- gnutls_certificate_credentials cred;
-#ifdef USE_TLS_SRP
- gnutls_srp_client_credentials srp_client_cred;
+#if defined(USE_SSL)
+ struct ssl_backend_data *backend;
#endif
- ssl_connect_state connecting_state;
-#endif /* USE_GNUTLS */
-#ifdef USE_POLARSSL
-#if POLARSSL_VERSION_NUMBER<0x01010000
- havege_state hs;
-#else
- /* from v1.1.0, use ctr_drbg and entropy */
- ctr_drbg_context ctr_drbg;
- entropy_context entropy;
-#endif /* POLARSSL_VERSION_NUMBER<0x01010000 */
- ssl_context ssl;
- ssl_session ssn;
- int server_fd;
- x509_cert cacert;
- x509_cert clicert;
- x509_crl crl;
- rsa_context rsa;
- ssl_connect_state connecting_state;
-#endif /* USE_POLARSSL */
-#ifdef USE_CYASSL
- SSL_CTX* ctx;
- SSL* handle;
- ssl_connect_state connecting_state;
-#endif /* USE_CYASSL */
-#ifdef USE_NSS
- PRFileDesc *handle;
- char *client_nickname;
- struct SessionHandle *data;
- struct curl_llist *obj_list;
- PK11GenericObject *obj_clicert;
-#endif /* USE_NSS */
-#ifdef USE_QSOSSL
- SSLHandle *handle;
-#endif /* USE_QSOSSL */
-#ifdef USE_AXTLS
- SSL_CTX* ssl_ctx;
- SSL* ssl;
- ssl_connect_state connecting_state;
-#endif /* USE_AXTLS */
-#ifdef USE_SCHANNEL
- struct curl_schannel_cred *cred;
- struct curl_schannel_ctxt *ctxt;
- SecPkgContext_StreamSizes stream_sizes;
- ssl_connect_state connecting_state;
- size_t encdata_length, decdata_length;
- size_t encdata_offset, decdata_offset;
- unsigned char *encdata_buffer, *decdata_buffer;
- unsigned long req_flags, ret_flags;
-#endif /* USE_SCHANNEL */
-#ifdef USE_DARWINSSL
- SSLContextRef ssl_ctx;
- curl_socket_t ssl_sockfd;
- ssl_connect_state connecting_state;
- bool ssl_direction; /* true if writing, false if reading */
- size_t ssl_write_buffered_length;
-#endif /* USE_DARWINSSL */
+ BIT(use);
};
-struct ssl_config_data {
+struct ssl_primary_config {
long version; /* what version the client wants to use */
- long certverifyresult; /* result from the certificate verification */
-
- bool verifypeer; /* set TRUE if this is desired */
- bool verifyhost; /* set TRUE if CN/SAN must match hostname */
+ long version_max; /* max supported version the client wants to use*/
char *CApath; /* certificate dir (doesn't work on windows) */
char *CAfile; /* certificate to verify peer against */
- const char *CRLfile; /* CRL to check certificate revocation */
- const char *issuercert;/* optional issuer certificate filename */
+ char *clientcert;
char *random_file; /* path to file containing "random" data */
char *egdsocket; /* path to file containing the EGD daemon socket */
char *cipher_list; /* list of ciphers to use */
- size_t max_ssl_sessions; /* SSL session id cache size */
+ char *cipher_list13; /* list of TLS 1.3 cipher suites to use */
+ char *pinned_key;
+ struct curl_blob *cert_blob;
+ char *curves; /* list of curves to use */
+ BIT(verifypeer); /* set TRUE if this is desired */
+ BIT(verifyhost); /* set TRUE if CN/SAN must match hostname */
+ BIT(verifystatus); /* set TRUE if certificate status must be checked */
+ BIT(sessionid); /* cache session IDs or not */
+};
+
+struct ssl_config_data {
+ struct ssl_primary_config primary;
+ long certverifyresult; /* result from the certificate verification */
+ char *CRLfile; /* CRL to check certificate revocation */
+ char *issuercert;/* optional issuer certificate filename */
+ struct curl_blob *issuercert_blob;
curl_ssl_ctx_callback fsslctx; /* function to initialize ssl ctx */
void *fsslctxp; /* parameter for call back */
- bool sessionid; /* cache session IDs or not */
- bool certinfo; /* gather lots of certificate info */
-
+ char *cert_type; /* format for certificate (default: PEM)*/
+ char *key; /* private key file name */
+ struct curl_blob *key_blob;
+ char *key_type; /* format for private key (default: PEM) */
+ char *key_passwd; /* plain text private key password */
#ifdef USE_TLS_SRP
char *username; /* TLS username (for, e.g., SRP) */
char *password; /* TLS password (for, e.g., SRP) */
enum CURL_TLSAUTH authtype; /* TLS authentication type (default SRP) */
#endif
+ BIT(certinfo); /* gather lots of certificate info */
+ BIT(falsestart);
+ BIT(enable_beast); /* allow this flaw for interoperability's sake*/
+ BIT(no_revoke); /* disable SSL certificate revocation checks */
+ BIT(no_partialchain); /* don't accept partial certificate chains */
+ BIT(revoke_best_effort); /* ignore SSL revocation offline/missing revocation
+ list errors */
+ BIT(native_ca_store); /* use the native ca store of operating system */
+};
+
+struct ssl_general_config {
+ size_t max_ssl_sessions; /* SSL session id cache size */
};
/* information stored about one single SSL session */
-struct curl_ssl_session {
+struct Curl_ssl_session {
char *name; /* host name for which this ID was used */
+ char *conn_to_host; /* host name for the connection (may be NULL) */
+ const char *scheme; /* protocol scheme used */
void *sessionid; /* as returned from the SSL layer */
size_t idsize; /* if known, otherwise 0 */
long age; /* just a number, the higher the more recent */
- unsigned short remote_port; /* remote port to connect to */
- struct ssl_config_data ssl_config; /* setup for this session */
+ int remote_port; /* remote port */
+ int conn_to_port; /* remote port for the connection (may be -1) */
+ struct ssl_primary_config ssl_config; /* setup for this session */
};
+#ifdef USE_WINDOWS_SSPI
+#include "curl_sspi.h"
+#endif
+
/* Struct used for Digest challenge-response authentication */
struct digestdata {
+#if defined(USE_WINDOWS_SSPI)
+ BYTE *input_token;
+ size_t input_token_len;
+ CtxtHandle *http_context;
+ /* copy of user/passwd used to make the identity for http_context.
+ either may be NULL. */
+ char *user;
+ char *passwd;
+#else
char *nonce;
char *cnonce;
char *realm;
int algo;
- bool stale; /* set true for re-negotiation */
char *opaque;
char *qop;
char *algorithm;
int nc; /* nounce count */
+ BIT(stale); /* set true for re-negotiation */
+ BIT(userhash);
+#endif
};
typedef enum {
NTLMSTATE_LAST
} curlntlm;
-#ifdef USE_WINDOWS_SSPI
-#include "curl_sspi.h"
-#endif
+typedef enum {
+ GSS_AUTHNONE,
+ GSS_AUTHRECV,
+ GSS_AUTHSENT,
+ GSS_AUTHDONE,
+ GSS_AUTHSUCC
+} curlnegotiate;
#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
#include <iconv.h>
#endif
+/* Struct used for GSSAPI (Kerberos V5) authentication */
+#if defined(USE_KERBEROS5)
+struct kerberos5data {
+#if defined(USE_WINDOWS_SSPI)
+ CredHandle *credentials;
+ CtxtHandle *context;
+ TCHAR *spn;
+ SEC_WINNT_AUTH_IDENTITY identity;
+ SEC_WINNT_AUTH_IDENTITY *p_identity;
+ size_t token_max;
+ BYTE *output_token;
+#else
+ gss_ctx_id_t context;
+ gss_name_t spn;
+#endif
+};
+#endif
+
/* Struct used for NTLM challenge-response authentication */
+#if defined(USE_NTLM)
struct ntlmdata {
- curlntlm state;
#ifdef USE_WINDOWS_SSPI
- CredHandle handle;
- CtxtHandle c_handle;
+/* The sslContext is used for the Schannel bindings. The
+ * api is available on the Windows 7 SDK and later.
+ */
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+ CtxtHandle *sslContext;
+#endif
+ CredHandle *credentials;
+ CtxtHandle *context;
SEC_WINNT_AUTH_IDENTITY identity;
SEC_WINNT_AUTH_IDENTITY *p_identity;
- int has_handles;
- void *type_2;
- unsigned long n_type_2;
+ size_t token_max;
+ BYTE *output_token;
+ BYTE *input_token;
+ size_t input_token_len;
+ TCHAR *spn;
#else
unsigned int flags;
unsigned char nonce[8];
+ void *target_info; /* TargetInfo received in the ntlm type-2 message */
+ unsigned int target_info_len;
+
+#if defined(NTLM_WB_ENABLED)
+ /* used for communication with Samba's winbind daemon helper ntlm_auth */
+ curl_socket_t ntlm_auth_hlpr_socket;
+ pid_t ntlm_auth_hlpr_pid;
+ char *challenge; /* The received base64 encoded ntlm type-2 message */
+ char *response; /* The generated base64 ntlm type-1/type-3 message */
+#endif
#endif
};
+#endif
-#ifdef USE_HTTP_NEGOTIATE
+/* Struct used for Negotiate (SPNEGO) authentication */
+#ifdef USE_SPNEGO
struct negotiatedata {
- /* when doing Negotiate we first need to receive an auth token and then we
- need to send our header */
- enum { GSS_AUTHNONE, GSS_AUTHRECV, GSS_AUTHSENT } state;
- bool gss; /* Whether we're processing GSS-Negotiate or Negotiate */
- const char* protocol; /* "GSS-Negotiate" or "Negotiate" */
#ifdef HAVE_GSSAPI
OM_uint32 status;
gss_ctx_id_t context;
- gss_name_t server_name;
+ gss_name_t spn;
gss_buffer_desc output_token;
#else
#ifdef USE_WINDOWS_SSPI
+#ifdef SECPKG_ATTR_ENDPOINT_BINDINGS
+ CtxtHandle *sslContext;
+#endif
DWORD status;
- CtxtHandle *context;
CredHandle *credentials;
- char server_name[1024];
- size_t max_token_length;
+ CtxtHandle *context;
+ SEC_WINNT_AUTH_IDENTITY identity;
+ SEC_WINNT_AUTH_IDENTITY *p_identity;
+ TCHAR *spn;
+ size_t token_max;
BYTE *output_token;
size_t output_token_length;
#endif
#endif
+ BIT(noauthpersist);
+ BIT(havenoauthpersist);
+ BIT(havenegdata);
+ BIT(havemultiplerequests);
};
#endif
* Boolean values that concerns this connection.
*/
struct ConnectBits {
- bool close; /* if set, we close the connection after this request */
- bool reuse; /* if set, this is a re-used connection */
- bool proxy; /* if set, this transfer is done through a proxy - any type */
- bool httpproxy; /* if set, this transfer is done through a http proxy */
- bool user_passwd; /* do we use user+password for this connection? */
- bool proxy_user_passwd; /* user+password for the proxy? */
- bool ipv6_ip; /* we communicate with a remote site specified with pure IPv6
- IP address */
- bool ipv6; /* we communicate with a site using an IPv6 address */
-
- bool do_more; /* this is set TRUE if the ->curl_do_more() function is
- supposed to be called, after ->curl_do() */
bool tcpconnect[2]; /* the TCP layer (or similar) is connected, this is set
the first time on the first connect function call */
- bool protoconnstart;/* the protocol layer has STARTED its operation after
- the TCP layer connect */
-
- bool retry; /* this connection is about to get closed and then
- re-attempted at another connection. */
- bool tunnel_proxy; /* if CONNECT is used to "tunnel" through the proxy.
+#ifndef CURL_DISABLE_PROXY
+ bool proxy_ssl_connected[2]; /* TRUE when SSL initialization for HTTPS proxy
+ is complete */
+ BIT(httpproxy); /* if set, this transfer is done through a http proxy */
+ BIT(socksproxy); /* if set, this transfer is done through a socks proxy */
+ BIT(proxy_user_passwd); /* user+password for the proxy? */
+ BIT(tunnel_proxy); /* if CONNECT is used to "tunnel" through the proxy.
This is implicit when SSL-protocols are used through
proxies, but can also be enabled explicitly by
apps */
- bool authneg; /* TRUE when the auth phase has started, which means
+ BIT(proxy_connect_closed); /* TRUE if a proxy disconnected the connection
+ in a CONNECT request with auth, so that
+ libcurl should reconnect and continue. */
+#endif
+ /* always modify bits.close with the connclose() and connkeep() macros! */
+ BIT(close); /* if set, we close the connection after this request */
+ BIT(reuse); /* if set, this is a re-used connection */
+ BIT(altused); /* this is an alt-svc "redirect" */
+ BIT(conn_to_host); /* if set, this connection has a "connect to host"
+ that overrides the host in the URL */
+ BIT(conn_to_port); /* if set, this connection has a "connect to port"
+ that overrides the port in the URL (remote port) */
+ BIT(proxy); /* if set, this transfer is done through a proxy - any type */
+ BIT(user_passwd); /* do we use user+password for this connection? */
+ BIT(ipv6_ip); /* we communicate with a remote site specified with pure IPv6
+ IP address */
+ BIT(ipv6); /* we communicate with a site using an IPv6 address */
+ BIT(do_more); /* this is set TRUE if the ->curl_do_more() function is
+ supposed to be called, after ->curl_do() */
+ BIT(protoconnstart);/* the protocol layer has STARTED its operation after
+ the TCP layer connect */
+ BIT(retry); /* this connection is about to get closed and then
+ re-attempted at another connection. */
+ BIT(authneg); /* TRUE when the auth phase has started, which means
that we are creating a request with an auth header,
but it is not the final request in the auth
negotiation. */
- bool rewindaftersend;/* TRUE when the sending couldn't be stopped even
+ BIT(rewindaftersend);/* TRUE when the sending couldn't be stopped even
though it will be discarded. When the whole send
operation is done, we must call the data rewind
callback. */
- bool ftp_use_epsv; /* As set with CURLOPT_FTP_USE_EPSV, but if we find out
+#ifndef CURL_DISABLE_FTP
+ BIT(ftp_use_epsv); /* As set with CURLOPT_FTP_USE_EPSV, but if we find out
EPSV doesn't work we disable it for the forthcoming
requests */
-
- bool ftp_use_eprt; /* As set with CURLOPT_FTP_USE_EPRT, but if we find out
+ BIT(ftp_use_eprt); /* As set with CURLOPT_FTP_USE_EPRT, but if we find out
EPRT doesn't work we disable it for the forthcoming
requests */
- bool netrc; /* name+password provided by netrc */
- bool userpwd_in_url; /* name+password found in url */
-
- bool done; /* set to FALSE when Curl_do() is called and set to TRUE
- when Curl_done() is called, to prevent Curl_done() to
- get invoked twice when the multi interface is
- used. */
- bool stream_was_rewound; /* Indicates that the stream was rewound after a
- request read past the end of its response byte
- boundary */
- bool proxy_connect_closed; /* set true if a proxy disconnected the
- connection in a CONNECT request with auth, so
- that libcurl should reconnect and continue. */
- bool bound; /* set true if bind() has already been done on this socket/
+ BIT(ftp_use_data_ssl); /* Enabled SSL for the data connection */
+ BIT(ftp_use_control_ssl); /* Enabled SSL for the control connection */
+#endif
+ BIT(netrc); /* name+password provided by netrc */
+ BIT(bound); /* set true if bind() has already been done on this socket/
connection */
- bool type_set; /* type= was used in the URL */
+ BIT(multiplex); /* connection is multiplexed */
+ BIT(tcp_fastopen); /* use TCP Fast Open */
+ BIT(tls_enable_npn); /* TLS NPN extension? */
+ BIT(tls_enable_alpn); /* TLS ALPN extension? */
+ BIT(connect_only);
+ BIT(doh);
+#ifdef USE_UNIX_SOCKETS
+ BIT(abstract_unix_socket);
+#endif
+ BIT(tls_upgraded);
+ BIT(sock_accepted); /* TRUE if the SECONDARYSOCKET was created with
+ accept() */
+ BIT(parallel_connect); /* set TRUE when a parallel connect attempt has
+ started (happy eyeballs) */
};
struct hostname {
#define KEEP_RECVBITS (KEEP_RECV | KEEP_RECV_HOLD | KEEP_RECV_PAUSE)
#define KEEP_SENDBITS (KEEP_SEND | KEEP_SEND_HOLD | KEEP_SEND_PAUSE)
-
-#ifdef HAVE_LIBZ
-typedef enum {
- ZLIB_UNINIT, /* uninitialized */
- ZLIB_INIT, /* initialized */
- ZLIB_GZIP_HEADER, /* reading gzip header */
- ZLIB_GZIP_INFLATING, /* inflating gzip stream */
- ZLIB_INIT_GZIP /* initialized in transparent gzip mode */
-} zlibInitState;
-#endif
-
-#ifdef CURLRES_ASYNCH
struct Curl_async {
char *hostname;
int port;
struct Curl_dns_entry *dns;
- bool done; /* set TRUE when the lookup is complete */
int status; /* if done is TRUE, this is the status from the callback */
void *os_specific; /* 'struct thread_data' for Windows */
+ BIT(done); /* set TRUE when the lookup is complete */
};
-#endif
#define FIRSTSOCKET 0
#define SECONDARYSOCKET 1
/* These function pointer types are here only to allow easier typecasting
within the source when we need to cast between data pointers (such as NULL)
and function pointers. */
-typedef CURLcode (*Curl_do_more_func)(struct connectdata *, bool *);
+typedef CURLcode (*Curl_do_more_func)(struct connectdata *, int *);
typedef CURLcode (*Curl_done_func)(struct connectdata *, CURLcode, bool);
-
enum expect100 {
EXP100_SEND_DATA, /* enough waiting, just send the body now */
EXP100_AWAITING_CONTINUE, /* waiting for the 100 Continue header */
EXP100_FAILED /* used on 417 Expectation Failed */
};
+enum upgrade101 {
+ UPGR101_INIT, /* default state */
+ UPGR101_REQUESTED, /* upgrade requested */
+ UPGR101_RECEIVED, /* response received */
+ UPGR101_WORKING /* talking upgraded protocol */
+};
+
+enum doh_slots {
+ /* Explicit values for first two symbols so as to match hard-coded
+ * constants in existing code
+ */
+ DOH_PROBE_SLOT_IPADDR_V4 = 0, /* make 'V4' stand out for readability */
+ DOH_PROBE_SLOT_IPADDR_V6 = 1, /* 'V6' likewise */
+
+ /* Space here for (possibly build-specific) additional slot definitions */
+
+ /* for example */
+ /* #ifdef WANT_DOH_FOOBAR_TXT */
+ /* DOH_PROBE_SLOT_FOOBAR_TXT, */
+ /* #endif */
+
+ /* AFTER all slot definitions, establish how many we have */
+ DOH_PROBE_SLOTS
+};
+
+/* one of these for each DoH request */
+struct dnsprobe {
+ CURL *easy;
+ int 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 */
+ const char *host;
+ int port;
+};
+
/*
- * Request specific data in the easy handle (SessionHandle). Previously,
+ * Request specific data in the easy handle (Curl_easy). Previously,
* these members were on the connectdata struct but since a conn struct may
- * now be shared between different SessionHandles, we store connection-specific
+ * now be shared between different Curl_easys, we store connection-specific
* data here. This struct only keeps stuff that's interesting for *this*
* request, as it will be cleared between multiple ones
*/
struct SingleRequest {
curl_off_t size; /* -1 if unknown at this point */
- curl_off_t *bytecountp; /* return number of bytes read or NULL */
-
curl_off_t maxdownload; /* in bytes, the maximum amount of data to fetch,
-1 means unlimited */
- curl_off_t *writebytecountp; /* return number of bytes written or NULL */
-
curl_off_t bytecount; /* total number of bytes read */
curl_off_t writebytecount; /* number of bytes written */
- long headerbytecount; /* only count received headers */
- long deductheadercount; /* this amount of bytes doesn't count when we check
- if anything has been transferred at the end of a
- connection. We use this counter to make only a
- 100 reply (without a following second response
- code) result in a CURLE_GOT_NOTHING error code */
+ curl_off_t headerbytecount; /* only count received headers */
+ curl_off_t deductheadercount; /* this amount of bytes doesn't count when we
+ check if anything has been transferred at
+ the end of a connection. We use this
+ counter to make only a 100 reply (without a
+ following second response code) result in a
+ CURLE_GOT_NOTHING error code */
- struct timeval start; /* transfer started at this time */
- struct timeval now; /* current time */
- bool header; /* incoming data has HTTP header */
+ struct curltime start; /* transfer started at this time */
+ struct curltime now; /* current time */
enum {
HEADER_NORMAL, /* no bad header at all */
HEADER_PARTHEADER, /* part of the chunk is a bad header, the rest
written as body */
int headerline; /* counts header lines to better track the
first one */
- char *hbufp; /* points at *end* of header line */
- size_t hbuflen;
char *str; /* within buf */
- char *str_start; /* within buf */
- char *end_ptr; /* within buf */
- char *p; /* within headerbuff */
- bool content_range; /* set TRUE if Content-Range: was found */
curl_off_t offset; /* possible resume offset read from the
Content-Range: header */
int httpcode; /* error code from the 'HTTP/1.? XXX' or
'RTSP/1.? XXX' line */
- struct timeval start100; /* time stamp to wait for the 100 code from */
+ struct curltime start100; /* time stamp to wait for the 100 code from */
enum expect100 exp100; /* expect 100 continue state */
+ enum upgrade101 upgr101; /* 101 upgrade state */
- int auto_decoding; /* What content encoding. sec 3.5, RFC2616. */
-
-#define IDENTITY 0 /* No encoding */
-#define DEFLATE 1 /* zlib deflate [RFC 1950 & 1951] */
-#define GZIP 2 /* gzip algorithm [RFC 1952] */
-#define COMPRESS 3 /* Not handled, added for completeness */
-
-#ifdef HAVE_LIBZ
- zlibInitState zlib_init; /* possible zlib init state;
- undefined if Content-Encoding header. */
- z_stream z; /* State structure for zlib. */
-#endif
-
+ /* Content unencoding stack. See sec 3.5, RFC2616. */
+ struct contenc_writer *writer_stack;
time_t timeofdoc;
long bodywrites;
-
- char *buf;
- char *uploadbuf;
- curl_socket_t maxfd;
-
int keepon;
-
- bool upload_done; /* set to TRUE when doing chunked transfer-encoding upload
- and we're uploading the last chunk */
-
- bool ignorebody; /* we read a response-body but we ignore it! */
- bool ignorecl; /* This HTTP response has no body so we ignore the Content-
- Length: header */
-
char *location; /* This points to an allocated version of the Location:
header data */
char *newurl; /* Set to the new URL to use when a redirect or a retry is
still left in the buffer, aimed for upload. */
ssize_t upload_present;
- /* 'upload_fromhere' is used as a read-pointer when we uploaded parts of a
- buffer, so the next read should read from where this pointer points to,
- and the 'upload_present' contains the number of bytes available at this
- position */
+ /* 'upload_fromhere' is used as a read-pointer when we uploaded parts of a
+ buffer, so the next read should read from where this pointer points to,
+ and the 'upload_present' contains the number of bytes available at this
+ position */
char *upload_fromhere;
-
- bool chunk; /* if set, this is a chunked transfer-encoding */
- bool upload_chunky; /* set TRUE if we are doing chunked transfer-encoding
+ void *protop; /* Allocated protocol-specific data. Each protocol
+ handler makes sure this points to data it needs. */
+#ifndef CURL_DISABLE_DOH
+ struct dohdata doh; /* DoH specific data for this request */
+#endif
+ BIT(header); /* incoming data has HTTP header */
+ BIT(content_range); /* set TRUE if Content-Range: was found */
+ BIT(upload_done); /* set to TRUE when doing chunked transfer-encoding
+ upload and we're uploading the last chunk */
+ BIT(ignorebody); /* we read a response-body but we ignore it! */
+ BIT(http_bodyless); /* HTTP response status code is between 100 and 199,
+ 204 or 304 */
+ BIT(chunk); /* if set, this is a chunked transfer-encoding */
+ BIT(upload_chunky); /* set TRUE if we are doing chunked transfer-encoding
on upload */
- bool getheader; /* TRUE if header parsing is wanted */
-
- bool forbidchunk; /* used only to explicitly forbid chunk-upload for
- specific upload buffers. See readmoredata() in
- http.c for details. */
+ BIT(getheader); /* TRUE if header parsing is wanted */
+ BIT(forbidchunk); /* used only to explicitly forbid chunk-upload for
+ specific upload buffers. See readmoredata() in http.c
+ for details. */
};
/*
*/
struct Curl_handler {
- const char * scheme; /* URL scheme name. */
+ const char *scheme; /* URL scheme name. */
/* Complement to setup_connection_internals(). */
CURLcode (*setup_connection)(struct connectdata *);
*/
CURLcode (*connect_it)(struct connectdata *, bool *done);
- /* See above. Currently only used for FTP. */
+ /* See above. */
CURLcode (*connecting)(struct connectdata *, bool *done);
CURLcode (*doing)(struct connectdata *, bool *done);
/* Called from the multi interface during the PROTOCONNECT phase, and it
should then return a proper fd set */
int (*proto_getsock)(struct connectdata *conn,
- curl_socket_t *socks,
- int numsocks);
+ curl_socket_t *socks);
/* Called from the multi interface during the DOING phase, and it should
then return a proper fd set */
int (*doing_getsock)(struct connectdata *conn,
- curl_socket_t *socks,
- int numsocks);
+ curl_socket_t *socks);
/* Called from the multi interface during the DO_MORE phase, and it should
then return a proper fd set */
int (*domore_getsock)(struct connectdata *conn,
- curl_socket_t *socks,
- int numsocks);
+ curl_socket_t *socks);
/* Called from the multi interface during the DO_DONE, PERFORM and
WAITPERFORM phases, and it should then return a proper fd set. Not setting
this will make libcurl use the generic default one. */
int (*perform_getsock)(const struct connectdata *conn,
- curl_socket_t *socks,
- int numsocks);
+ curl_socket_t *socks);
/* This function *MAY* be set to a protocol-dependent function that is run
* by the curl_disconnect(), as a step in the disconnection. If the handler
/* If used, this function gets called from transfer.c:readwrite_data() to
allow the protocol to do extra reads/writes */
- CURLcode (*readwrite)(struct SessionHandle *data, struct connectdata *conn,
+ CURLcode (*readwrite)(struct Curl_easy *data, struct connectdata *conn,
ssize_t *nread, bool *readmore);
+ /* This function can perform various checks on the connection. See
+ CONNCHECK_* for more information about the checks that can be performed,
+ and CONNRESULT_* for the results that can be returned. */
+ unsigned int (*connection_check)(struct connectdata *conn,
+ unsigned int checks_to_perform);
+
long defport; /* Default port. */
- unsigned int protocol; /* See CURLPROTO_* */
+ unsigned int protocol; /* See CURLPROTO_* - this needs to be the single
+ specific protocol bit */
+ unsigned int family; /* single bit for protocol family; basically the
+ non-TLS name of the protocol this is */
unsigned int flags; /* Extra particular characteristics, see PROTOPT_* */
};
gets a default */
#define PROTOPT_NOURLQUERY (1<<6) /* protocol can't handle
url query strings (?foo=bar) ! */
+#define PROTOPT_CREDSPERREQUEST (1<<7) /* requires login credentials per
+ request instead of per connection */
+#define PROTOPT_ALPN_NPN (1<<8) /* set ALPN and/or NPN for this */
+#define PROTOPT_STREAM (1<<9) /* a protocol with individual logical streams */
+#define PROTOPT_URLOPTIONS (1<<10) /* allow options part in the userinfo field
+ of the URL */
+#define PROTOPT_PROXY_AS_HTTP (1<<11) /* allow this non-HTTP scheme over a
+ HTTP proxy as HTTP proxies may know
+ this protocol and act as a gateway */
+#define PROTOPT_WILDCARD (1<<12) /* protocol supports wildcard matching */
+#define PROTOPT_USERPWDCTRL (1<<13) /* Allow "control bytes" (< 32 ascii) in
+ user name and password */
+
+#define CONNCHECK_NONE 0 /* No checks */
+#define CONNCHECK_ISDEAD (1<<0) /* Check if the connection is dead. */
+#define CONNCHECK_KEEPALIVE (1<<1) /* Perform any keepalive function. */
+
+#define CONNRESULT_NONE 0 /* No extra information. */
+#define CONNRESULT_DEAD (1<<0) /* The connection is dead. */
+
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+struct postponed_data {
+ char *buffer; /* Temporal store for received data during
+ sending, must be freed */
+ size_t allocated_size; /* Size of temporal store */
+ size_t recv_size; /* Size of received data during sending */
+ size_t recv_processed; /* Size of processed part of postponed data */
+#ifdef DEBUGBUILD
+ curl_socket_t bindsock;/* Structure must be bound to specific socket,
+ used only for DEBUGASSERT */
+#endif /* DEBUGBUILD */
+};
+#endif /* USE_RECV_BEFORE_SEND_WORKAROUND */
+struct proxy_info {
+ struct hostname host;
+ long port;
+ curl_proxytype proxytype; /* what kind of proxy that is in use */
+ char *user; /* proxy user name string, allocated */
+ char *passwd; /* proxy password string, allocated */
+};
-/* return the count of bytes sent, or -1 on error */
-typedef ssize_t (Curl_send)(struct connectdata *conn, /* connection data */
- int sockindex, /* socketindex */
- const void *buf, /* data to write */
- size_t len, /* max amount to write */
- CURLcode *err); /* error to return */
+/* struct for HTTP CONNECT state data */
+struct http_connect_state {
+ struct dynbuf rcvbuf;
+ int keepon;
+ curl_off_t cl; /* size of content to read and ignore */
+ enum {
+ TUNNEL_INIT, /* init/default/no tunnel state */
+ TUNNEL_CONNECT, /* CONNECT has been sent off */
+ TUNNEL_COMPLETE /* CONNECT response received completely */
+ } tunnel_state;
+ BIT(chunked_encoding);
+ BIT(close_connection);
+};
-/* return the count of bytes read, or -1 on error */
-typedef ssize_t (Curl_recv)(struct connectdata *conn, /* connection data */
- int sockindex, /* socketindex */
- char *buf, /* store data here */
- size_t len, /* max amount to read */
- CURLcode *err); /* error to return */
+struct ldapconninfo;
+
+/* for the (SOCKS) connect state machine */
+enum connect_t {
+ CONNECT_INIT,
+ CONNECT_SOCKS_INIT, /* 1 */
+ CONNECT_SOCKS_SEND, /* 2 waiting to send more first data */
+ CONNECT_SOCKS_READ_INIT, /* 3 set up read */
+ CONNECT_SOCKS_READ, /* 4 read server response */
+ CONNECT_GSSAPI_INIT, /* 5 */
+ CONNECT_AUTH_INIT, /* 6 setup outgoing auth buffer */
+ CONNECT_AUTH_SEND, /* 7 send auth */
+ CONNECT_AUTH_READ, /* 8 read auth response */
+ CONNECT_REQ_INIT, /* 9 init SOCKS "request" */
+ CONNECT_RESOLVING, /* 10 */
+ CONNECT_RESOLVED, /* 11 */
+ CONNECT_RESOLVE_REMOTE, /* 12 */
+ CONNECT_REQ_SEND, /* 13 */
+ CONNECT_REQ_SENDING, /* 14 */
+ CONNECT_REQ_READ, /* 15 */
+ CONNECT_REQ_READ_MORE, /* 16 */
+ CONNECT_DONE /* 17 connected fine to the remote or the SOCKS proxy */
+};
+
+#define SOCKS_STATE(x) (((x) >= CONNECT_SOCKS_INIT) && \
+ ((x) < CONNECT_DONE))
+#define SOCKS_REQUEST_BUFSIZE 600 /* room for large user/pw (255 max each) */
+
+struct connstate {
+ enum connect_t state;
+ unsigned char socksreq[SOCKS_REQUEST_BUFSIZE];
+
+ /* CONNECT_SOCKS_SEND */
+ ssize_t outstanding; /* send this many bytes more */
+ unsigned char *outp; /* send from this pointer */
+};
/*
* The connectdata struct contains all fields and variables that should be
* unique for an entire connection.
*/
struct connectdata {
- /* 'data' is the CURRENT SessionHandle using this connection -- take great
+ /* 'data' is the CURRENT Curl_easy using this connection -- take great
caution that this might very well vary between different times this
connection is used! */
- struct SessionHandle *data;
+ struct Curl_easy *data;
+ struct connstate cnnct;
+ struct Curl_llist_element bundle_node; /* conncache */
/* chunk is for HTTP chunked encoding, but is in the general connectdata
struct only because we can do just about any protocol through a HTTP proxy
curl_closesocket_callback fclosesocket; /* function closing the socket(s) */
void *closesocket_client;
- bool inuse; /* This is a marker for the connection cache logic. If this is
- TRUE this handle is being used by an easy handle and cannot
- be used by any other easy handle without careful
- consideration (== only for pipelining). */
+ /* This is used by the connection cache logic. If this returns TRUE, this
+ handle is still used by one or more easy handles and can only used by any
+ other easy handle without careful consideration (== only for
+ multiplexing) and it cannot be used by another multi handle! */
+#define CONN_INUSE(c) ((c)->easyq.size)
/**** Fields set when inited and not modified again */
long connection_id; /* Contains a unique number to make it easier to
/* 'dns_entry' is the particular host we use. This points to an entry in the
DNS cache and it will not get pruned while locked. It gets unlocked in
- Curl_done(). This entry will be NULL if the connection is re-used as then
+ multi_done(). This entry will be NULL if the connection is re-used as then
there is no name resolve done. */
struct Curl_dns_entry *dns_entry;
/* 'ip_addr' is the particular IP we connected to. It points to a struct
within the DNS cache, so this pointer is only valid as long as the DNS
- cache entry remains locked. It gets unlocked in Curl_done() */
- Curl_addrinfo *ip_addr;
+ cache entry remains locked. It gets unlocked in multi_done() */
+ struct Curl_addrinfo *ip_addr;
+ struct Curl_addrinfo *tempaddr[2]; /* for happy eyeballs */
/* 'ip_addr_str' is the ip_addr data as a human readable string.
It remains available as long as the connection does, which is longer than
the ip_addr itself. */
char ip_addr_str[MAX_IPADR_LEN];
- unsigned int scope; /* address scope for IPv6 */
+ unsigned int scope_id; /* Scope id for IPv6 */
- int socktype; /* SOCK_STREAM or SOCK_DGRAM */
+ enum {
+ TRNSPRT_TCP = 3,
+ TRNSPRT_UDP = 4,
+ TRNSPRT_QUIC = 5
+ } transport;
+
+#ifdef ENABLE_QUIC
+ struct quicsocket hequic[2]; /* two, for happy eyeballs! */
+ struct quicsocket *quic;
+#endif
struct hostname host;
- struct hostname proxy;
-
+ char *hostname_resolve; /* host name to resolve to address, allocated */
+ char *secondaryhostname; /* secondary socket host name (ftp) */
+ struct hostname conn_to_host; /* the host to connect to. valid only if
+ bits.conn_to_host is set */
+#ifndef CURL_DISABLE_PROXY
+ struct proxy_info socks_proxy;
+ struct proxy_info http_proxy;
+#endif
long port; /* which port to use locally */
- unsigned short remote_port; /* what remote port to connect to,
- not the proxy port! */
+ int remote_port; /* the remote port, not the proxy port! */
+ int conn_to_port; /* the remote port to connect to. valid only if
+ bits.conn_to_port is set */
+ unsigned short secondary_port; /* secondary socket remote port to connect to
+ (ftp) */
/* 'primary_ip' and 'primary_port' get filled with peer's numerical
ip address and port number whenever an outgoing connection is
char *passwd; /* password string, allocated */
char *options; /* options string, allocated */
- char *proxyuser; /* proxy user name string, allocated */
- char *proxypasswd; /* proxy password string, allocated */
- curl_proxytype proxytype; /* what kind of proxy that is in use */
+ char *sasl_authzid; /* authorisation identity string, allocated */
int httpversion; /* the HTTP version*10 reported by the server */
int rtspversion; /* the RTSP version*10 reported by the server */
- struct timeval now; /* "current" time */
- struct timeval created; /* creation time */
+ struct curltime now; /* "current" time */
+ struct curltime created; /* creation time */
+ struct curltime lastused; /* when returned to the connection cache */
curl_socket_t sock[2]; /* two sockets, the second is used for the data
transfer when doing FTP */
- bool sock_accepted[2]; /* TRUE if the socket on this index was created with
- accept() */
+ curl_socket_t tempsock[2]; /* temporary sockets for happy eyeballs */
+ int tempfamily[2]; /* family used for the temp sockets */
Curl_recv *recv[2];
Curl_send *send[2];
+#ifdef USE_RECV_BEFORE_SEND_WORKAROUND
+ struct postponed_data postponed[2]; /* two buffers for two sockets */
+#endif /* USE_RECV_BEFORE_SEND_WORKAROUND */
struct ssl_connect_data ssl[2]; /* this is for ssl-stuff */
- struct ssl_config_data ssl_config;
-
+#ifndef CURL_DISABLE_PROXY
+ struct ssl_connect_data proxy_ssl[2]; /* this is for proxy ssl-stuff */
+#endif
+#ifdef USE_SSL
+ void *ssl_extra; /* separately allocated backend-specific data */
+#endif
+ struct ssl_primary_config ssl_config;
+#ifndef CURL_DISABLE_PROXY
+ struct ssl_primary_config proxy_ssl_config;
+#endif
struct ConnectBits bits; /* various state-flags for this connection */
/* connecttime: when connect() is called on the current IP address. Used to
be able to track when to move on to try next IP - but only when the multi
interface is used. */
- struct timeval connecttime;
+ struct curltime connecttime;
/* The two fields below get set in Curl_connecthost */
int num_addr; /* number of addresses to try to connect to */
- long timeoutms_per_addr; /* how long time in milliseconds to spend on
- trying to connect to each IP address */
+
+ /* how long time in milliseconds to spend on trying to connect to each IP
+ address, per family */
+ timediff_t timeoutms_per_addr[2];
const struct Curl_handler *handler; /* Connection's protocol handler */
const struct Curl_handler *given; /* The protocol first given */
- long ip_version; /* copied from the SessionHandle at creation time */
+ long ip_version; /* copied from the Curl_easy at creation time */
+
+ /* Protocols can use a custom keepalive mechanism to keep connections alive.
+ This allows those protocols to track the last time the keepalive mechanism
+ was used on this connection. */
+ struct curltime keepalive;
+
+ long upkeep_interval_ms; /* Time between calls for connection upkeep. */
/**** curl_get() phase fields */
well be the same we read from.
CURL_SOCKET_BAD disables */
- /** Dynamicly allocated strings, MUST be freed before this **/
- /** struct is killed. **/
- struct dynamically_allocated_data {
- char *proxyuserpwd;
- char *uagent;
- char *accept_encoding;
- char *userpwd;
- char *rangeline;
- char *ref;
- char *host;
- char *cookiehost;
- char *rtsp_transport;
- char *te; /* TE: request header */
- } allocptr;
-
- int sec_complete; /* if kerberos is enabled for this connection */
-#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
+#ifdef HAVE_GSSAPI
+ BIT(sec_complete); /* if Kerberos is enabled for this connection */
enum protection_level command_prot;
enum protection_level data_prot;
enum protection_level request_data_prot;
size_t buffer_size;
- struct krb4buffer in_buffer;
+ struct krb5buffer in_buffer;
void *app_data;
const struct Curl_sec_client_mech *mech;
struct sockaddr_in local_addr;
#endif
- /* the two following *_inuse fields are only flags, not counters in any way.
- If TRUE it means the channel is in use, and if FALSE it means the channel
- is up for grabs by one. */
-
- bool readchannel_inuse; /* whether the read channel is in use by an easy
- handle */
- bool writechannel_inuse; /* whether the write channel is in use by an easy
- handle */
- struct curl_llist *send_pipe; /* List of handles waiting to
- send on this pipeline */
- struct curl_llist *recv_pipe; /* List of handles waiting to read
- their responses on this pipeline */
- char* master_buffer; /* The master buffer allocated on-demand;
- used for pipelining. */
- size_t read_pos; /* Current read position in the master buffer */
- size_t buf_len; /* Length of the buffer?? */
-
+#if defined(USE_KERBEROS5) /* Consider moving some of the above GSS-API */
+ struct kerberos5data krb5; /* variables into the structure definition, */
+#endif /* however, some of them are ftp specific. */
+ struct Curl_llist easyq; /* List of easy handles using this connection */
curl_seek_callback seek_func; /* function that seeks the input */
void *seek_client; /* pointer to pass to the seek() above */
/*************** Request - specific items ************/
+#if defined(USE_WINDOWS_SSPI) && defined(SECPKG_ATTR_ENDPOINT_BINDINGS)
+ CtxtHandle *sslContext;
+#endif
- /* previously this was in the urldata struct */
- curl_read_callback fread_func; /* function that reads the input */
- void *fread_in; /* pointer to pass to the fread() above */
+#if defined(USE_NTLM)
+ curlntlm http_ntlm_state;
+ curlntlm proxy_ntlm_state;
struct ntlmdata ntlm; /* NTLM differs from other authentication schemes
because it authenticates connections, not
single requests! */
struct ntlmdata proxyntlm; /* NTLM data for proxy */
-
-#if defined(USE_NTLM) && defined(NTLM_WB_ENABLED)
- /* used for communication with Samba's winbind daemon helper ntlm_auth */
- curl_socket_t ntlm_auth_hlpr_socket;
- pid_t ntlm_auth_hlpr_pid;
- char* challenge_header;
- char* response_header;
#endif
- char syserr_buf [256]; /* buffer for Curl_strerror() */
+#ifdef USE_SPNEGO
+ curlnegotiate http_negotiate_state;
+ curlnegotiate proxy_negotiate_state;
+
+ struct negotiatedata negotiate; /* state data for host Negotiate auth */
+ struct negotiatedata proxyneg; /* state data for proxy Negotiate auth */
+#endif
-#ifdef CURLRES_ASYNCH
/* data used for the asynch name resolve callback */
struct Curl_async async;
-#endif
- /* These three are used for chunked-encoding trailer support */
- char *trailer; /* allocated buffer to store trailer in */
- int trlMax; /* allocated buffer size */
- int trlPos; /* index of where to store data */
+ /* for chunked-encoded trailer */
+ struct dynbuf trailer;
union {
struct ftp_conn ftpc;
+ struct http_conn httpc;
struct ssh_conn sshc;
struct tftp_state_data *tftpc;
struct imap_conn imapc;
struct pop3_conn pop3c;
struct smtp_conn smtpc;
struct rtsp_conn rtspc;
- void *generic;
+ struct smb_conn smbc;
+ void *rtmp;
+ struct ldapconninfo *ldapc;
+ struct mqtt_conn mqtt;
} proto;
int cselect_bits; /* bitmask of socket events */
int socks5_gssapi_enctype;
#endif
- bool verifypeer;
- bool verifyhost;
-
/* When this connection is created, store the conditions for the local end
bind. This is stored before the actual bind and before any connection is
made and will serve the purpose of being used for comparison reasons so
char *localdev;
unsigned short localport;
int localportrange;
-
- /* tunnel as in tunnel through a HTTP proxy with CONNECT */
- enum {
- TUNNEL_INIT, /* init/default/no tunnel state */
- TUNNEL_CONNECT, /* CONNECT has been sent off */
- TUNNEL_COMPLETE /* CONNECT response received completely */
- } tunnel_state[2]; /* two separate ones to allow FTP */
+ struct http_connect_state *connect_state; /* for HTTP CONNECT */
struct connectbundle *bundle; /* The bundle we are member of */
+ int negnpn; /* APLN or NPN TLS negotiated protocol, CURL_HTTP_VERSION* */
+#ifdef USE_UNIX_SOCKETS
+ char *unix_domain_socket;
+#endif
};
/* The end of connectdata. */
/*
* Struct to keep statistical and informational data.
+ * All variables in this struct must be initialized/reset in Curl_initinfo().
*/
struct PureInfo {
- int httpcode; /* Recent HTTP, FTP, or RTSP response code */
+ int httpcode; /* Recent HTTP, FTP, RTSP or SMTP response code */
int httpproxycode; /* response code from proxy when received separate */
int httpversion; /* the http version number X.Y = X*10+Y */
- long filetime; /* If requested, this is might get set. Set to -1 if the time
- was unretrievable. We cannot have this of type time_t,
- since time_t is unsigned on several platforms such as
- OpenVMS. */
- bool timecond; /* set to TRUE if the time condition didn't match, which
- thus made the document NOT get fetched */
- long header_size; /* size of read header(s) in bytes */
- long request_size; /* the amount of bytes sent in the request(s) */
+ time_t filetime; /* If requested, this is might get set. Set to -1 if the
+ time was unretrievable. */
+ curl_off_t header_size; /* size of read header(s) in bytes */
+ curl_off_t request_size; /* the amount of bytes sent in the request(s) */
unsigned long proxyauthavail; /* what proxy auth types were announced */
unsigned long httpauthavail; /* what host auth types were announced */
long numconnects; /* how many new connection did libcurl created */
char *contenttype; /* the content type of the object */
char *wouldredirect; /* URL this would've been redirected to if asked to */
+ curl_off_t retry_after; /* info from Retry-After: header */
/* PureInfo members 'conn_primary_ip', 'conn_primary_port', 'conn_local_ip'
and, 'conn_local_port' are copied over from the connectdata struct in
char conn_primary_ip[MAX_IPADR_LEN];
long conn_primary_port;
-
char conn_local_ip[MAX_IPADR_LEN];
long conn_local_port;
-
+ const char *conn_scheme;
+ unsigned int conn_protocol;
struct curl_certinfo certs; /* info about the certs, only populated in
- OpenSSL builds. Asked for with
- CURLOPT_CERTINFO / CURLINFO_CERTINFO */
+ OpenSSL, GnuTLS, Schannel, NSS and GSKit
+ builds. Asked for with CURLOPT_CERTINFO
+ / CURLINFO_CERTINFO */
+ CURLproxycode pxcode;
+ BIT(timecond); /* set to TRUE if the time condition didn't match, which
+ thus made the document NOT get fetched */
};
struct Progress {
- long lastshow; /* time() of the last displayed progress meter or NULL to
- force redraw at next call */
+ time_t lastshow; /* time() of the last displayed progress meter or NULL to
+ force redraw at next call */
curl_off_t size_dl; /* total expected size */
curl_off_t size_ul; /* total expected size */
curl_off_t downloaded; /* transferred so far */
curl_off_t current_speed; /* uses the currently fastest transfer */
- bool callback; /* set when progress callback is used */
int width; /* screen width at download start */
int flags; /* see progress.h */
- double timespent;
+ timediff_t timespent;
curl_off_t dlspeed;
curl_off_t ulspeed;
- double t_nslookup;
- double t_connect;
- double t_appconnect;
- double t_pretransfer;
- double t_starttransfer;
- double t_redirect;
+ timediff_t t_nslookup;
+ timediff_t t_connect;
+ timediff_t t_appconnect;
+ timediff_t t_pretransfer;
+ timediff_t t_starttransfer;
+ timediff_t t_redirect;
+
+ struct curltime start;
+ struct curltime t_startsingle;
+ struct curltime t_startop;
+ struct curltime t_acceptdata;
- struct timeval start;
- struct timeval t_startsingle;
- struct timeval t_acceptdata;
-#define CURR_TIME (5+1) /* 6 entries for 5 seconds */
+
+ /* upload speed limit */
+ struct curltime ul_limit_start;
+ curl_off_t ul_limit_size;
+ /* download speed limit */
+ struct curltime dl_limit_start;
+ curl_off_t dl_limit_size;
+
+#define CURR_TIME (5 + 1) /* 6 entries for 5 seconds */
curl_off_t speeder[ CURR_TIME ];
- struct timeval speeder_time[ CURR_TIME ];
+ struct curltime speeder_time[ CURR_TIME ];
int speeder_c;
+ BIT(callback); /* set when progress callback is used */
+ BIT(is_t_startransfer_set);
};
typedef enum {
HTTPREQ_GET,
HTTPREQ_POST,
HTTPREQ_POST_FORM, /* we make a difference internally */
+ HTTPREQ_POST_MIME, /* we make a difference internally */
HTTPREQ_PUT,
HTTPREQ_HEAD,
- HTTPREQ_CUSTOM,
HTTPREQ_LAST /* last in list */
} Curl_HttpReq;
RTSPREQ_LAST /* last in list */
} Curl_RtspReq;
-/*
- * Values that are generated, temporary or calculated internally for a
- * "session handle" must be defined within the 'struct UrlState'. This struct
- * will be used within the SessionHandle struct. When the 'SessionHandle'
- * struct is cloned, this data MUST NOT be copied.
- *
- * Remember that any "state" information goes globally for the curl handle.
- * Session-data MUST be put in the connectdata struct and here. */
-#define MAX_CURL_USER_LENGTH 256
-#define MAX_CURL_PASSWORD_LENGTH 256
-#define MAX_CURL_OPTIONS_LENGTH 256
-
struct auth {
unsigned long want; /* Bitmask set to the authentication methods wanted by
app (with CURLOPT_HTTPAUTH or CURLOPT_PROXYAUTH). */
unsigned long picked;
unsigned long avail; /* Bitmask for what the server reports to support for
this resource */
- bool done; /* TRUE when the auth phase is done and ready to do the *actual*
- request */
- bool multi; /* TRUE if this is not yet authenticated but within the auth
- multipass negotiation */
- bool iestyle; /* TRUE if digest should be done IE-style or FALSE if it should
- be RFC compliant */
+ BIT(done); /* TRUE when the auth phase is done and ready to do the
+ actual request */
+ BIT(multipass); /* TRUE if this is not yet authenticated but within the
+ auth multipass negotiation */
+ BIT(iestyle); /* TRUE if digest should be done IE-style or FALSE if it
+ should be RFC compliant */
};
-struct UrlState {
+struct Curl_http2_dep {
+ struct Curl_http2_dep *next;
+ struct Curl_easy *data;
+};
+
+/*
+ * This struct is for holding data that was attempted to get sent to the user's
+ * callback but is held due to pausing. One instance per type (BOTH, HEADER,
+ * BODY).
+ */
+struct tempbuf {
+ struct dynbuf b;
+ int type; /* type of the 'tempwrite' buffer as a bitmask that is used with
+ Curl_client_write() */
+};
+
+/* Timers */
+typedef enum {
+ EXPIRE_100_TIMEOUT,
+ EXPIRE_ASYNC_NAME,
+ EXPIRE_CONNECTTIMEOUT,
+ EXPIRE_DNS_PER_NAME, /* family1 */
+ EXPIRE_DNS_PER_NAME2, /* family2 */
+ EXPIRE_HAPPY_EYEBALLS_DNS, /* See asyn-ares.c */
+ EXPIRE_HAPPY_EYEBALLS,
+ EXPIRE_MULTI_PENDING,
+ EXPIRE_RUN_NOW,
+ EXPIRE_SPEEDCHECK,
+ EXPIRE_TIMEOUT,
+ EXPIRE_TOOFAST,
+ EXPIRE_QUIC,
+ EXPIRE_LAST /* not an actual timer, used as a marker only */
+} expire_id;
+
+
+typedef enum {
+ TRAILERS_NONE,
+ TRAILERS_INITIALIZED,
+ TRAILERS_SENDING,
+ TRAILERS_DONE
+} trailers_state;
+
+
+/*
+ * One instance for each timeout an easy handle can set.
+ */
+struct time_node {
+ struct Curl_llist_element list;
+ struct curltime time;
+ expire_id eid;
+};
+/* individual pieces of the URL */
+struct urlpieces {
+ char *scheme;
+ char *hostname;
+ char *port;
+ char *user;
+ char *password;
+ char *options;
+ char *path;
+ char *query;
+};
+
+struct UrlState {
/* Points to the connection cache */
struct conncache *conn_cache;
- /* when curl_easy_perform() is called, the multi handle is "owned" by
- the easy handle so curl_easy_cleanup() on such an easy handle will
- also close the multi handle! */
- bool multi_owned_by_easy;
+ int retrycount; /* number of retries on a new connection */
/* buffers to store authentication data in, as parsed from input options */
- struct timeval keeps_speed; /* for the progress meter really */
-
- struct connectdata *lastconnect; /* The last connection, NULL if undefined */
+ struct curltime keeps_speed; /* for the progress meter really */
- char *headerbuff; /* allocated buffer to store headers in */
- size_t headersize; /* size of the allocation */
+ long lastconnect_id; /* The last connection, -1 if undefined */
+ struct dynbuf headerb; /* buffer to store headers in */
- char buffer[BUFSIZE+1]; /* download buffer */
- char uploadbuffer[BUFSIZE+1]; /* upload buffer */
- curl_off_t current_speed; /* the ProgressShow() funcion sets this,
+ char *buffer; /* download buffer */
+ char *ulbuf; /* allocated upload buffer or NULL */
+ curl_off_t current_speed; /* the ProgressShow() function sets this,
bytes / second */
- bool this_is_a_follow; /* this is a followed Location: request */
-
- char *first_host; /* if set, this should be the host name that we will
+ char *first_host; /* host name of the first (not followed) request.
+ if set, this should be the host name that we will
sent authorization to, no else. Used to make Location:
following not keep sending user+password... This is
strdup() data.
*/
- struct curl_ssl_session *session; /* array of 'max_ssl_sessions' size */
+ int first_remote_port; /* remote port of the first (not followed) request */
+ struct Curl_ssl_session *session; /* array of 'max_ssl_sessions' size */
long sessionage; /* number of the most recent session */
- char *tempwrite; /* allocated buffer to keep data in when a write
- callback returns to make the connection paused */
- size_t tempwritesize; /* size of the 'tempwrite' allocated buffer */
- int tempwritetype; /* type of the 'tempwrite' buffer as a bitmask that is
- used with Curl_client_write() */
- char *scratch; /* huge buffer[BUFSIZE*2] when doing upload CRLF replacing */
- bool errorbuf; /* Set to TRUE if the error buffer is already filled in.
- This must be set to FALSE every time _easy_perform() is
- called. */
+ unsigned int tempcount; /* number of entries in use in tempwrite, 0 - 3 */
+ struct tempbuf tempwrite[3]; /* BOTH, HEADER, BODY */
+ char *scratch; /* huge buffer[set.buffer_size*2] for upload CRLF replacing */
int os_errno; /* filled in with errno whenever an error occurs */
#ifdef HAVE_SIGNAL
/* storage for the previous bag^H^H^HSIGPIPE signal handler :-) */
void (*prev_signal)(int sig);
#endif
- bool allow_port; /* Is set.use_port allowed to take effect or not. This
- is always set TRUE when curl_easy_perform() is called. */
struct digestdata digest; /* state data for host Digest auth */
struct digestdata proxydigest; /* state data for proxy Digest auth */
-#ifdef USE_HTTP_NEGOTIATE
- struct negotiatedata negotiate; /* state data for host Negotiate auth */
- struct negotiatedata proxyneg; /* state data for proxy Negotiate auth */
-#endif
-
struct auth authhost; /* auth details for host */
struct auth authproxy; /* auth details for proxy */
-
- bool authproblem; /* TRUE if there's some problem authenticating */
-
void *resolver; /* resolver state, if it is used in the URL state -
ares_channel f.e. */
-#if defined(USE_SSLEAY) && defined(HAVE_OPENSSL_ENGINE_H)
- ENGINE *engine;
-#endif /* USE_SSLEAY */
- struct timeval expiretime; /* set this with Curl_expire() only */
+#if defined(USE_OPENSSL)
+ /* void instead of ENGINE to avoid bleeding OpenSSL into this header */
+ void *engine;
+#endif /* USE_OPENSSL */
+ struct curltime expiretime; /* set this with Curl_expire() only */
struct Curl_tree timenode; /* for the splay stuff */
- struct curl_llist *timeoutlist; /* list of pending timeouts */
+ struct Curl_llist timeoutlist; /* list of pending timeouts */
+ struct time_node expires[EXPIRE_LAST]; /* nodes for each expire type */
/* a place to store the most recently set FTP entrypath */
char *most_recent_ftp_entrypath;
- /* set after initial USER failure, to prevent an authentication loop */
- bool ftp_trying_alternative;
-
int httpversion; /* the lowest HTTP version*10 reported by any server
involved in this request */
- bool expect100header; /* TRUE if we added Expect: 100-continue */
- bool pipe_broke; /* TRUE if the connection we were pipelined on broke
- and we need to restart from the beginning */
-
-#if !defined(WIN32) && !defined(MSDOS) && !defined(__EMX__) && \
- !defined(__SYMBIAN32__)
+#if !defined(WIN32) && !defined(MSDOS) && !defined(__EMX__)
/* do FTP line-end conversions on most platforms */
#define CURL_DO_LINEEND_CONV
/* for FTP downloads: track CRLF sequences that span blocks */
- bool prev_block_had_trailing_cr;
+ BIT(prev_block_had_trailing_cr);
/* for FTP downloads: how many CRLFs did we converted to LFs? */
curl_off_t crlf_conversions;
#endif
- char *pathbuffer;/* allocated buffer to store the URL's path part in */
- char *path; /* path to use, points to somewhere within the pathbuffer
- area */
- bool slash_removed; /* set TRUE if the 'path' points to a path where the
- initial URL slash separator has been taken off */
- bool use_range;
- bool rangestringalloc; /* the range string is malloc()'ed */
-
char *range; /* range, if used. See README for detailed specification on
this syntax. */
curl_off_t resume_from; /* continue [ftp] transfer from here */
long rtsp_next_server_CSeq; /* the session's next server CSeq */
long rtsp_CSeq_recv; /* most recent CSeq received */
- /* Protocol specific data.
- *
- *************************************************************************
- * Note that this data will be REMOVED after each request, so anything that
- * should be kept/stored on a per-connection basis and thus live for the
- * next request on the same connection MUST be put in the connectdata struct!
- *************************************************************************/
- union {
- struct HTTP *http;
- struct HTTP *https; /* alias, just for the sake of being more readable */
- struct RTSP *rtsp;
- struct FTP *ftp;
- /* void *tftp; not used */
- struct FILEPROTO *file;
- void *telnet; /* private for telnet.c-eyes only */
- void *generic;
- struct SSHPROTO *ssh;
- struct IMAP *imap;
- struct POP3 *pop3;
- struct SMTP *smtp;
- } proto;
- /* current user of this SessionHandle instance, or NULL */
- struct connectdata *current_conn;
+ curl_off_t infilesize; /* size of file to upload, -1 means unknown.
+ Copied from set.filesize at start of operation */
+
+ size_t drain; /* Increased when this stream has data to read, even if its
+ socket is not necessarily is readable. Decreased when
+ checked. */
+
+ curl_read_callback fread_func; /* read callback/function */
+ void *in; /* CURLOPT_READDATA */
+
+ struct Curl_easy *stream_depends_on;
+ int stream_weight;
+ CURLU *uh; /* URL handle for the current parsed URL */
+ struct urlpieces up;
+ Curl_HttpReq httpreq; /* what kind of HTTP request (if any) is this */
+#ifndef CURL_DISABLE_HTTP
+ size_t trailers_bytes_sent;
+ struct dynbuf trailers_buf; /* a buffer containing the compiled trailing
+ headers */
+#endif
+ trailers_state trailers_state; /* whether we are sending trailers
+ and what stage are we at */
+
+ /* Dynamically allocated strings, MUST be freed before this struct is
+ killed. */
+ struct dynamically_allocated_data {
+ char *proxyuserpwd;
+ char *uagent;
+ char *accept_encoding;
+ char *userpwd;
+ char *rangeline;
+ char *ref;
+ char *host;
+ char *cookiehost;
+ char *rtsp_transport;
+ char *te; /* TE: request header */
+ } aptr;
+
+#ifdef CURLDEBUG
+ BIT(conncache_lock);
+#endif
+ /* when curl_easy_perform() is called, the multi handle is "owned" by
+ the easy handle so curl_easy_cleanup() on such an easy handle will
+ also close the multi handle! */
+ BIT(multi_owned_by_easy);
- /* if true, force SSL connection retry (workaround for certain servers) */
- bool ssl_connect_retry;
+ BIT(this_is_a_follow); /* this is a followed Location: request */
+ BIT(refused_stream); /* this was refused, try again */
+ BIT(errorbuf); /* Set to TRUE if the error buffer is already filled in.
+ This must be set to FALSE every time _easy_perform() is
+ called. */
+ BIT(allow_port); /* Is set.use_port allowed to take effect or not. This
+ is always set TRUE when curl_easy_perform() is called. */
+ BIT(authproblem); /* TRUE if there's some problem authenticating */
+ /* set after initial USER failure, to prevent an authentication loop */
+ BIT(ftp_trying_alternative);
+ BIT(wildcardmatch); /* enable wildcard matching */
+ BIT(expect100header); /* TRUE if we added Expect: 100-continue */
+ BIT(disableexpect); /* TRUE if Expect: is disabled due to a previous
+ 417 response */
+ BIT(use_range);
+ BIT(rangestringalloc); /* the range string is malloc()'ed */
+ BIT(done); /* set to FALSE when Curl_init_do() is called and set to TRUE
+ when multi_done() is called, to prevent multi_done() to get
+ invoked twice when the multi interface is used. */
+ BIT(stream_depends_e); /* set or don't set the Exclusive bit */
+ BIT(previouslypending); /* this transfer WAS in the multi->pending queue */
+ BIT(cookie_engine);
};
struct DynamicStatic {
char *url; /* work URL, copied from UserDefined */
- bool url_alloc; /* URL string is malloc()'ed */
char *referer; /* referer string */
- bool referer_alloc; /* referer sting is malloc()ed */
struct curl_slist *cookielist; /* list of cookie files set by
curl_easy_setopt(COOKIEFILE) calls */
struct curl_slist *resolve; /* set to point to the set.resolve list when
this should be dealt with in pretransfer */
+ BIT(url_alloc); /* URL string is malloc()'ed */
+ BIT(referer_alloc); /* referer string is malloc()ed */
+ BIT(wildcard_resolve); /* Set to true if any resolve change is a
+ wildcard */
};
/*
* the 'DynamicStatic' struct.
* Character pointer fields point to dynamic storage, unless otherwise stated.
*/
-struct Curl_one_easy; /* declared and used only in multi.c */
+
struct Curl_multi; /* declared and used only in multi.c */
+/*
+ * This enumeration MUST not use conditional directives (#ifdefs), new
+ * null terminated strings MUST be added to the enumeration immediately
+ * before STRING_LASTZEROTERMINATED, binary fields immediately before
+ * STRING_LAST. When doing so, ensure that the packages/OS400/chkstring.c
+ * test is updated and applicable changes for EBCDIC to ASCII conversion
+ * are catered for in curl_easy_setopt_ccsid()
+ */
enum dupstring {
- STRING_CERT, /* client certificate file name */
- STRING_CERT_TYPE, /* format for certificate (default: PEM)*/
+ STRING_CERT_ORIG, /* client certificate file name */
+ STRING_CERT_PROXY, /* client certificate file name */
+ STRING_CERT_TYPE_ORIG, /* format for certificate (default: PEM)*/
+ STRING_CERT_TYPE_PROXY, /* format for certificate (default: PEM)*/
STRING_COOKIE, /* HTTP cookie string to send */
STRING_COOKIEJAR, /* dump all cookies to this file */
STRING_CUSTOMREQUEST, /* HTTP/FTP/RTSP request/method to use */
+ STRING_DEFAULT_PROTOCOL, /* Protocol to use when the URL doesn't specify */
STRING_DEVICE, /* local network interface/address to use */
STRING_ENCODING, /* Accept-Encoding string */
STRING_FTP_ACCOUNT, /* ftp account data */
STRING_FTP_ALTERNATIVE_TO_USER, /* command to send if USER/PASS fails */
STRING_FTPPORT, /* port to send with the FTP PORT command */
- STRING_KEY, /* private key file name */
- STRING_KEY_PASSWD, /* plain text private key password */
- STRING_KEY_TYPE, /* format for private key (default: PEM) */
+ STRING_KEY_ORIG, /* private key file name */
+ STRING_KEY_PROXY, /* private key file name */
+ STRING_KEY_PASSWD_ORIG, /* plain text private key password */
+ STRING_KEY_PASSWD_PROXY, /* plain text private key password */
+ STRING_KEY_TYPE_ORIG, /* format for private key (default: PEM) */
+ STRING_KEY_TYPE_PROXY, /* format for private key (default: PEM) */
STRING_KRB_LEVEL, /* krb security level */
STRING_NETRC_FILE, /* if not NULL, use this instead of trying to find
$HOME/.netrc */
- STRING_COPYPOSTFIELDS, /* if POST, set the fields' values here */
STRING_PROXY, /* proxy to use */
+ STRING_PRE_PROXY, /* pre socks proxy to use */
STRING_SET_RANGE, /* range, if used */
STRING_SET_REFERER, /* custom string for the HTTP referer field */
STRING_SET_URL, /* what original URL to work on */
- STRING_SSL_CAPATH, /* CA directory name (doesn't work on windows) */
- STRING_SSL_CAFILE, /* certificate file to verify peer against */
- STRING_SSL_CIPHER_LIST, /* list of ciphers to use */
+ STRING_SSL_CAPATH_ORIG, /* CA directory name (doesn't work on windows) */
+ STRING_SSL_CAPATH_PROXY, /* CA directory name (doesn't work on windows) */
+ STRING_SSL_CAFILE_ORIG, /* certificate file to verify peer against */
+ STRING_SSL_CAFILE_PROXY, /* certificate file to verify peer against */
+ STRING_SSL_PINNEDPUBLICKEY_ORIG, /* public key file to verify peer against */
+ STRING_SSL_PINNEDPUBLICKEY_PROXY, /* public key file to verify proxy */
+ STRING_SSL_CIPHER_LIST_ORIG, /* list of ciphers to use */
+ STRING_SSL_CIPHER_LIST_PROXY, /* list of ciphers to use */
+ STRING_SSL_CIPHER13_LIST_ORIG, /* list of TLS 1.3 ciphers to use */
+ STRING_SSL_CIPHER13_LIST_PROXY, /* list of TLS 1.3 ciphers to use */
STRING_SSL_EGDSOCKET, /* path to file containing the EGD daemon socket */
STRING_SSL_RANDOM_FILE, /* path to file containing "random" data */
STRING_USERAGENT, /* User-Agent string */
- STRING_SSL_CRLFILE, /* crl file to check certificate */
- STRING_SSL_ISSUERCERT, /* issuer cert file to check certificate */
+ STRING_SSL_CRLFILE_ORIG, /* crl file to check certificate */
+ STRING_SSL_CRLFILE_PROXY, /* crl file to check certificate */
+ STRING_SSL_ISSUERCERT_ORIG, /* issuer cert file to check certificate */
+ STRING_SSL_ISSUERCERT_PROXY, /* issuer cert file to check certificate */
+ STRING_SSL_ENGINE, /* name of ssl engine */
STRING_USERNAME, /* <username>, if used */
STRING_PASSWORD, /* <password>, if used */
STRING_OPTIONS, /* <options>, if used */
STRING_RTSP_SESSION_ID, /* Session ID to use */
STRING_RTSP_STREAM_URI, /* Stream URI for this request */
STRING_RTSP_TRANSPORT, /* Transport for this session */
-#ifdef USE_LIBSSH2
+
STRING_SSH_PRIVATE_KEY, /* path to the private key file for auth */
STRING_SSH_PUBLIC_KEY, /* path to the public key file for auth */
STRING_SSH_HOST_PUBLIC_KEY_MD5, /* md5 of host public key in ascii hex */
STRING_SSH_KNOWNHOSTS, /* file name of knownhosts file */
-#endif
-#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
- STRING_SOCKS5_GSSAPI_SERVICE, /* GSSAPI service name */
-#endif
+
+ STRING_PROXY_SERVICE_NAME, /* Proxy service name */
+ STRING_SERVICE_NAME, /* Service name */
STRING_MAIL_FROM,
STRING_MAIL_AUTH,
-#ifdef USE_TLS_SRP
- STRING_TLSAUTH_USERNAME, /* TLS auth <username> */
- STRING_TLSAUTH_PASSWORD, /* TLS auth <password> */
-#endif
+ STRING_TLSAUTH_USERNAME_ORIG, /* TLS auth <username> */
+ STRING_TLSAUTH_USERNAME_PROXY, /* TLS auth <username> */
+ STRING_TLSAUTH_PASSWORD_ORIG, /* TLS auth <password> */
+ STRING_TLSAUTH_PASSWORD_PROXY, /* TLS auth <password> */
+
+ STRING_BEARER, /* <bearer>, if used */
+
+ STRING_UNIX_SOCKET_PATH, /* path to Unix socket, if used */
+
+ STRING_TARGET, /* CURLOPT_REQUEST_TARGET */
+ STRING_DOH, /* CURLOPT_DOH_URL */
+
+ STRING_ALTSVC, /* CURLOPT_ALTSVC */
+
+ STRING_SASL_AUTHZID, /* CURLOPT_SASL_AUTHZID */
+
+ STRING_TEMP_URL, /* temp URL storage for proxy use */
+
+ STRING_DNS_SERVERS,
+ STRING_DNS_INTERFACE,
+ STRING_DNS_LOCAL_IP4,
+ STRING_DNS_LOCAL_IP6,
+ STRING_SSL_EC_CURVES,
+
+ /* -- end of null-terminated strings -- */
+
+ STRING_LASTZEROTERMINATED,
+
+ /* -- below this are pointers to binary data that cannot be strdup'ed. --- */
+
+ STRING_COPYPOSTFIELDS, /* if POST, set the fields' values here */
+
- /* -- end of strings -- */
STRING_LAST /* not used, just an end-of-list marker */
};
+enum dupblob {
+ BLOB_CERT_ORIG,
+ BLOB_CERT_PROXY,
+ BLOB_KEY_ORIG,
+ BLOB_KEY_PROXY,
+ BLOB_SSL_ISSUERCERT_ORIG,
+ BLOB_SSL_ISSUERCERT_PROXY,
+ BLOB_LAST
+};
+
+/* callback that gets called when this easy handle is completed within a multi
+ handle. Only used for internally created transfers, like for example
+ DoH. */
+typedef int (*multidone_func)(struct Curl_easy *easy, CURLcode result);
+
struct UserDefined {
FILE *err; /* the stderr user data goes here */
void *debugdata; /* the data that will be passed to fdebug */
long proxyport; /* If non-zero, use this port number by default. If the
proxy string features a ":[port]" that one will override
this. */
- void *out; /* the fetched file goes here */
- void *in; /* the uploaded file is read from here */
+ void *out; /* CURLOPT_WRITEDATA */
+ void *in_set; /* CURLOPT_READDATA */
void *writeheader; /* write the header to this if non-NULL */
void *rtp_out; /* write RTP to this if non-NULL */
long use_port; /* which port to use (when not using default) */
unsigned long httpauth; /* kind of HTTP authentication to use (bitmask) */
unsigned long proxyauth; /* kind of proxy authentication to use (bitmask) */
+ unsigned long socks5auth;/* kind of SOCKS5 authentication to use (bitmask) */
long followlocation; /* as in HTTP Location: */
long maxredirs; /* maximum no. of http(s) redirects to follow, set to -1
for infinity */
int keep_post; /* keep POSTs as POSTs after a 30x request; each
bit represents a request, from 301 to 303 */
- bool free_referer; /* set TRUE if 'referer' points to a string we
- allocated */
void *postfields; /* if POST, set the fields' values here */
curl_seek_callback seek_func; /* function that seeks the input */
curl_off_t postfieldsize; /* if POST, this might have a size to use instead
curl_write_callback fwrite_func; /* function that stores the output */
curl_write_callback fwrite_header; /* function that stores headers */
curl_write_callback fwrite_rtp; /* function that stores interleaved RTP */
- curl_read_callback fread_func; /* function that reads the input */
- int is_fread_set; /* boolean, has read callback been set to non-NULL? */
- int is_fwrite_set; /* boolean, has write callback been set to non-NULL? */
- curl_progress_callback fprogress; /* function for progress information */
+ curl_read_callback fread_func_set; /* function that reads the input */
+ curl_progress_callback fprogress; /* OLD and deprecated progress callback */
+ curl_xferinfo_callback fxferinfo; /* progress callback */
curl_debug_callback fdebug; /* function that write informational data */
curl_ioctl_callback ioctl_func; /* function for I/O control */
curl_sockopt_callback fsockopt; /* function for setting socket options */
curl_opensocket_callback fopensocket; /* function for checking/translating
the address and opening the
socket */
- void* opensocket_client;
+ void *opensocket_client;
curl_closesocket_callback fclosesocket; /* function for closing the
socket */
- void* closesocket_client;
+ void *closesocket_client;
void *seek_client; /* pointer to pass to the seek callback */
/* the 3 curl_conv_callback functions below are used on non-ASCII hosts */
long timeout; /* in milliseconds, 0 means no timeout */
long connecttimeout; /* in milliseconds, 0 means no timeout */
long accepttimeout; /* in milliseconds, 0 means no timeout */
+ long happy_eyeballs_timeout; /* in milliseconds, 0 is a valid value */
long server_response_timeout; /* in milliseconds, 0 means no timeout */
- long tftp_blksize ; /* in bytes, 0 means use default */
- curl_off_t infilesize; /* size of file to upload, -1 means unknown */
+ long maxage_conn; /* in seconds, max idle time to allow a connection that
+ is to be reused */
+ long tftp_blksize; /* in bytes, 0 means use default */
+ curl_off_t filesize; /* size of file to upload, -1 means unknown */
long low_speed_limit; /* bytes/second */
long low_speed_time; /* number of seconds */
curl_off_t max_send_speed; /* high speed limit in bytes/second for upload */
download */
curl_off_t set_resume_from; /* continue [ftp] transfer from here */
struct curl_slist *headers; /* linked list of extra headers */
- struct curl_httppost *httppost; /* linked list of POST data */
- bool cookiesession; /* new cookie session? */
- bool crlf; /* convert crlf on ftp upload(?) */
+ struct curl_slist *proxyheaders; /* linked list of extra CONNECT headers */
+ struct curl_httppost *httppost; /* linked list of old POST data */
+ curl_mimepart mimepost; /* MIME/POST data. */
struct curl_slist *quote; /* after connection is established */
struct curl_slist *postquote; /* after the transfer */
struct curl_slist *prequote; /* before the transfer, after type */
struct curl_slist *telnet_options; /* linked list of telnet options */
struct curl_slist *resolve; /* list of names to add/remove from
DNS cache */
+ struct curl_slist *connect_to; /* list of host:port mappings to override
+ the hostname and port to connect to */
curl_TimeCond timecondition; /* kind of time/date comparison */
time_t timevalue; /* what time to compare with */
- Curl_HttpReq httpreq; /* what kind of HTTP request (if any) is this */
+ Curl_HttpReq method; /* what kind of HTTP request (if any) is this */
long httpversion; /* when non-zero, a specific HTTP version requested to
be used in the library's request(s) */
struct ssl_config_data ssl; /* user defined SSL stuff */
+#ifndef CURL_DISABLE_PROXY
+ struct ssl_config_data proxy_ssl; /* user defined SSL stuff for proxy */
+#endif
+ struct ssl_general_config general_ssl; /* general user defined SSL stuff */
curl_proxytype proxytype; /* what kind of proxy that is in use */
long dns_cache_timeout; /* DNS cache timeout */
long buffer_size; /* size of receive buffer to use */
+ size_t upload_buffer_size; /* size of upload buffer to use,
+ keep it >= CURL_MAX_WRITE_SIZE */
void *private_data; /* application-private data */
-
- struct Curl_one_easy *one_easy; /* When adding an easy handle to a multi
- handle, an internal 'Curl_one_easy'
- struct is created and this is a pointer
- to the particular struct associated with
- this SessionHandle */
-
struct curl_slist *http200aliases; /* linked list of aliases for http200 */
-
long ipver; /* the CURL_IPRESOLVE_* defines in the public header file
0 - whatever, 1 - v2, 2 - v6 */
-
curl_off_t max_filesize; /* Maximum file size to download */
-
+#ifndef CURL_DISABLE_FTP
curl_ftpfile ftp_filemethod; /* how to get to a file when FTP is used */
-
+ curl_ftpauth ftpsslauth; /* what AUTH XXX to be attempted */
+ curl_ftpccc ftp_ccc; /* FTP CCC options */
+#endif
int ftp_create_missing_dirs; /* 1 - create directories that don't exist
2 - the same but also allow MKD to fail once
*/
-
curl_sshkeycallback ssh_keyfunc; /* key matching callback */
void *ssh_keyfunc_userp; /* custom pointer to callback */
-
-/* Here follows boolean settings that define how to behave during
- this session. They are STATIC, set by libcurl users or at least initially
- and they don't change during operations. */
-
- bool printhost; /* printing host name in debug info */
- bool get_filetime; /* get the time and get of the remote file */
- bool tunnel_thru_httpproxy; /* use CONNECT through a HTTP proxy */
- bool prefer_ascii; /* ASCII rather than binary */
- bool ftp_append; /* append, not overwrite, on upload */
- bool ftp_list_only; /* switch FTP command for listing directories */
- bool ftp_use_port; /* use the FTP PORT command */
- bool hide_progress; /* don't use the progress meter */
- bool http_fail_on_error; /* fail on HTTP error codes >= 300 */
- bool http_follow_location; /* follow HTTP redirects */
- bool http_transfer_encoding; /* request compressed HTTP transfer-encoding */
- bool http_disable_hostname_check_before_authentication;
- bool include_header; /* include received protocol headers in data output */
- bool http_set_referer; /* is a custom referer used */
- bool http_auto_referer; /* set "correct" referer when following location: */
- bool opt_no_body; /* as set with CURLOPT_NOBODY */
- bool set_port; /* custom port number used */
- bool upload; /* upload request */
enum CURL_NETRC_OPTION
use_netrc; /* defined in include/curl.h */
- bool verbose; /* output verbosity */
- bool krb; /* kerberos connection requested */
- bool reuse_forbid; /* forbidden to be reused, close after use */
- bool reuse_fresh; /* do not re-use an existing connection */
- bool ftp_use_epsv; /* if EPSV is to be attempted or not */
- bool ftp_use_eprt; /* if EPRT is to be attempted or not */
- bool ftp_use_pret; /* if PRET is to be used before PASV or not */
-
curl_usessl use_ssl; /* if AUTH TLS is to be attempted etc, for FTP or
IMAP or POP3 or others! */
- curl_ftpauth ftpsslauth; /* what AUTH XXX to be attempted */
- curl_ftpccc ftp_ccc; /* FTP CCC options */
- bool no_signal; /* do not use any signal/alarm handler */
- bool global_dns_cache; /* subject for future removal */
- bool tcp_nodelay; /* whether to enable TCP_NODELAY or not */
- bool ignorecl; /* ignore content length */
- bool ftp_skip_ip; /* skip the IP address the FTP server passes on to
- us */
- bool connect_only; /* make connection, let application use the socket */
- bool ssl_enable_beast; /* especially allow this flaw for interoperability's
- sake*/
- long ssh_auth_types; /* allowed SSH auth types */
- bool http_te_skip; /* pass the raw body data to the user, even when
- transfer-encoded (chunked, compressed) */
- bool http_ce_skip; /* pass the raw body data to the user, even when
- content-encoded (chunked, compressed) */
long new_file_perms; /* Permissions to use when creating remote files */
long new_directory_perms; /* Permissions to use when creating remote dirs */
- bool proxy_transfer_mode; /* set transfer mode (;type=<a|i>) when doing FTP
- via an HTTP proxy */
+ long ssh_auth_types; /* allowed SSH auth types */
char *str[STRING_LAST]; /* array of strings, pointing to allocated memory */
- unsigned int scope; /* address scope for IPv6 */
+ struct curl_blob *blobs[BLOB_LAST];
+ unsigned int scope_id; /* Scope id for IPv6 */
long allowed_protocols;
long redir_protocols;
-#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
- long socks5_gssapi_nec; /* flag to support nec socks5 server */
-#endif
struct curl_slist *mail_rcpt; /* linked list of mail recipients */
- bool sasl_ir; /* Enable/disable SASL initial response */
/* Common RTSP header options */
Curl_RtspReq rtspreq; /* RTSP request type */
long rtspversion; /* like httpversion, for RTSP */
- bool wildcardmatch; /* enable wildcard matching */
curl_chunk_bgn_callback chunk_bgn; /* called before part of transfer
starts */
curl_chunk_end_callback chunk_end; /* called after part transferring
to pattern (e.g. if WILDCARDMATCH is on) */
void *fnmatch_data;
- long gssapi_delegation; /* GSSAPI credential delegation, see the
+ long gssapi_delegation; /* GSS-API credential delegation, see the
documentation of CURLOPT_GSSAPI_DELEGATION */
- bool tcp_keepalive; /* use TCP keepalives */
long tcp_keepidle; /* seconds in idle before sending keepalive probe */
long tcp_keepintvl; /* seconds between TCP keepalive probes */
- size_t maxconnects; /* Max idle connections in the connection cache */
+ size_t maxconnects; /* Max idle connections in the connection cache */
+
+ long expect_100_timeout; /* in milliseconds */
+ struct Curl_easy *stream_depends_on;
+ int stream_weight;
+ struct Curl_http2_dep *stream_dependents;
+
+ curl_resolver_start_callback resolver_start; /* optional callback called
+ before resolver start */
+ void *resolver_start_client; /* pointer to pass to resolver start callback */
+ long upkeep_interval_ms; /* Time between calls for connection upkeep. */
+ multidone_func fmultidone;
+ struct Curl_easy *dohfor; /* this is a DoH request for that transfer */
+ CURLU *uh; /* URL handle for the current parsed URL */
+ void *trailer_data; /* pointer to pass to trailer data callback */
+ curl_trailer_callback trailer_callback; /* trailing data callback */
+ BIT(is_fread_set); /* has read callback been set to non-NULL? */
+ BIT(is_fwrite_set); /* has write callback been set to non-NULL? */
+ BIT(free_referer); /* set TRUE if 'referer' points to a string we
+ allocated */
+ BIT(tftp_no_options); /* do not send TFTP options requests */
+ BIT(sep_headers); /* handle host and proxy headers separately */
+ BIT(cookiesession); /* new cookie session? */
+ BIT(crlf); /* convert crlf on ftp upload(?) */
+ BIT(strip_path_slash); /* strip off initial slash from path */
+ BIT(ssh_compression); /* enable SSH compression */
+
+/* Here follows boolean settings that define how to behave during
+ this session. They are STATIC, set by libcurl users or at least initially
+ and they don't change during operations. */
+ BIT(get_filetime); /* get the time and get of the remote file */
+ BIT(tunnel_thru_httpproxy); /* use CONNECT through a HTTP proxy */
+ BIT(prefer_ascii); /* ASCII rather than binary */
+ BIT(ftp_append); /* append, not overwrite, on upload */
+ BIT(ftp_list_only); /* switch FTP command for listing directories */
+#ifndef CURL_DISABLE_FTP
+ BIT(ftp_use_port); /* use the FTP PORT command */
+ BIT(ftp_use_epsv); /* if EPSV is to be attempted or not */
+ BIT(ftp_use_eprt); /* if EPRT is to be attempted or not */
+ BIT(ftp_use_pret); /* if PRET is to be used before PASV or not */
+ BIT(ftp_skip_ip); /* skip the IP address the FTP server passes on to
+ us */
+#endif
+ BIT(hide_progress); /* don't use the progress meter */
+ BIT(http_fail_on_error); /* fail on HTTP error codes >= 400 */
+ BIT(http_keep_sending_on_error); /* for HTTP status codes >= 300 */
+ BIT(http_follow_location); /* follow HTTP redirects */
+ BIT(http_transfer_encoding); /* request compressed HTTP transfer-encoding */
+ BIT(allow_auth_to_other_hosts);
+ BIT(include_header); /* include received protocol headers in data output */
+ BIT(http_set_referer); /* is a custom referer used */
+ BIT(http_auto_referer); /* set "correct" referer when following
+ location: */
+ BIT(opt_no_body); /* as set with CURLOPT_NOBODY */
+ BIT(upload); /* upload request */
+ BIT(verbose); /* output verbosity */
+ BIT(krb); /* Kerberos connection requested */
+ BIT(reuse_forbid); /* forbidden to be reused, close after use */
+ BIT(reuse_fresh); /* do not re-use an existing connection */
+ BIT(no_signal); /* do not use any signal/alarm handler */
+ BIT(tcp_nodelay); /* whether to enable TCP_NODELAY or not */
+ BIT(ignorecl); /* ignore content length */
+ BIT(connect_only); /* make connection, let application use the socket */
+ BIT(http_te_skip); /* pass the raw body data to the user, even when
+ transfer-encoded (chunked, compressed) */
+ BIT(http_ce_skip); /* pass the raw body data to the user, even when
+ content-encoded (chunked, compressed) */
+ BIT(proxy_transfer_mode); /* set transfer mode (;type=<a|i>) when doing
+ FTP via an HTTP proxy */
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+ BIT(socks5_gssapi_nec); /* Flag to support NEC SOCKS5 server */
+#endif
+ BIT(sasl_ir); /* Enable/disable SASL initial response */
+ BIT(wildcard_enabled); /* enable wildcard matching */
+ BIT(tcp_keepalive); /* use TCP keepalives */
+ BIT(tcp_fastopen); /* use TCP Fast Open */
+ BIT(ssl_enable_npn); /* TLS NPN extension? */
+ BIT(ssl_enable_alpn);/* TLS ALPN extension? */
+ BIT(path_as_is); /* allow dotdots? */
+ BIT(pipewait); /* wait for multiplex status before starting a new
+ connection */
+ BIT(suppress_connect_headers); /* suppress proxy CONNECT response headers
+ from user callbacks */
+ BIT(dns_shuffle_addresses); /* whether to shuffle addresses before use */
+ BIT(stream_depends_e); /* set or don't set the Exclusive bit */
+ BIT(haproxyprotocol); /* whether to send HAProxy PROXY protocol v1
+ header */
+ BIT(abstract_unix_socket);
+ BIT(disallow_username_in_url); /* disallow username in url */
+ BIT(doh); /* DNS-over-HTTPS enabled */
+ BIT(doh_get); /* use GET for DoH requests, instead of POST */
+ BIT(http09_allowed); /* allow HTTP/0.9 responses */
+ BIT(mail_rcpt_allowfails); /* allow RCPT TO command to fail for some
+ recipients */
};
struct Names {
- struct curl_hash *hostcache;
+ struct Curl_hash *hostcache;
enum {
HCACHE_NONE, /* not pointing to anything */
- HCACHE_GLOBAL, /* points to the (shrug) global one */
HCACHE_MULTI, /* points to a shared one in the multi handle */
HCACHE_SHARED /* points to a shared one in a shared object */
} hostcachetype;
* 'struct UrlState' instead.
*/
-struct SessionHandle {
+struct Curl_easy {
+ /* first, two fields for the linked list of these */
+ struct Curl_easy *next;
+ struct Curl_easy *prev;
+
+ struct connectdata *conn;
+ struct Curl_llist_element connect_queue;
+ struct Curl_llist_element conn_queue; /* list per connectdata */
+
+ CURLMstate mstate; /* the handle's state */
+ CURLcode result; /* previous result */
+
+ struct Curl_message msg; /* A single posted message. */
+
+ /* Array with the plain socket numbers this handle takes care of, in no
+ particular order. Note that all sockets are added to the sockhash, where
+ the state etc are also kept. This array is mostly used to detect when a
+ socket is to be removed from the hash. See singlesocket(). */
+ curl_socket_t sockets[MAX_SOCKSPEREASYHANDLE];
+ int actions[MAX_SOCKSPEREASYHANDLE]; /* action for each socket in
+ sockets[] */
+ int numsocks;
+
struct Names dns;
struct Curl_multi *multi; /* if non-NULL, points to the multi handle
struct to which this "belongs" when used by
struct Curl_multi *multi_easy; /* if non-NULL, points to the multi handle
struct to which this "belongs" when used
by the easy interface */
- struct Curl_one_easy *multi_pos; /* if non-NULL, points to its position
- in multi controlling structure to assist
- in removal. */
struct Curl_share *share; /* Share, handles global variable mutexing */
+#ifdef USE_LIBPSL
+ struct PslCache *psl; /* The associated PSL cache. */
+#endif
struct SingleRequest req; /* Request-specific data */
struct UserDefined set; /* values set by the libcurl user */
struct DynamicStatic change; /* possibly modified userdefined data */
NOTE that the 'cookie' field in the
UserDefined struct defines if the "engine"
is to be used or not. */
+#ifdef USE_ALTSVC
+ struct altsvcinfo *asi; /* the alt-svc cache */
+#endif
struct Progress progress; /* for all the progress meter data */
struct UrlState state; /* struct for fields used for state info and
other dynamic purposes */
+#ifndef CURL_DISABLE_FTP
struct WildcardData wildcard; /* wildcard download state info */
+#endif
struct PureInfo info; /* stats, reports and info data */
+ struct curl_tlssessioninfo tsi; /* Information about the TLS session, only
+ valid after a client has asked for it */
#if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV)
iconv_t outbound_cd; /* for translating to the network encoding */
iconv_t inbound_cd; /* for translating from the network encoding */