| #ifndef __URLDATA_H |
| #define __URLDATA_H |
| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2007, 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. |
| * |
| * 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. |
| * |
| * $Id: urldata.h,v 1.1.1.1 2012/03/29 17:21:21 uid42307 Exp $ |
| ***************************************************************************/ |
| |
| /* This file is for lib internal stuff */ |
| |
| #include "setup.h" |
| |
| #define PORT_FTP 21 |
| #define PORT_FTPS 990 |
| #define PORT_TELNET 23 |
| #define PORT_HTTP 80 |
| #define PORT_HTTPS 443 |
| #define PORT_DICT 2628 |
| #define PORT_LDAP 389 |
| #define PORT_TFTP 69 |
| #define PORT_SSH 22 |
| |
| #define DICT_MATCH "/MATCH:" |
| #define DICT_MATCH2 "/M:" |
| #define DICT_MATCH3 "/FIND:" |
| #define DICT_DEFINE "/DEFINE:" |
| #define DICT_DEFINE2 "/D:" |
| #define DICT_DEFINE3 "/LOOKUP:" |
| |
| #define CURL_DEFAULT_USER "anonymous" |
| #define CURL_DEFAULT_PASSWORD "curl_by_daniel@haxx.se" |
| |
| #include "cookie.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" |
| #endif /* USE_OPENSSL */ |
| #endif /* USE_SSLEAY */ |
| |
| #ifdef USE_GNUTLS |
| #include <gnutls/gnutls.h> |
| #endif |
| |
| #ifdef HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| |
| #include "timeval.h" |
| |
| #ifdef HAVE_ZLIB_H |
| #include <zlib.h> /* for content-encoding */ |
| #endif |
| |
| #ifdef USE_ARES |
| #include <ares.h> |
| #endif |
| |
| #include <curl/curl.h> |
| |
| #include "http_chunks.h" /* for the structs and enum stuff */ |
| #include "hostip.h" |
| #include "hash.h" |
| #include "splay.h" |
| |
| #ifdef HAVE_GSSAPI |
| # ifdef HAVE_GSSGNU |
| # include <gss.h> |
| # elif defined HAVE_GSSMIT |
| # include <gssapi/gssapi.h> |
| # include <gssapi/gssapi_generic.h> |
| # else |
| # include <gssapi.h> |
| # endif |
| #endif |
| |
| #ifdef HAVE_LIBSSH2_H |
| #include <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 0xc0dedbad |
| |
| /* Just a convenience macro to get the larger value out of two given. |
| We prefix with CURL to prevent name collisions. */ |
| #define CURLMAX(x,y) ((x)>(y)?(x):(y)) |
| |
| #ifdef HAVE_KRB4 |
| /* Types needed for krb4-ftp connections */ |
| struct krb4buffer { |
| void *data; |
| size_t size; |
| size_t index; |
| int eof_flag; |
| }; |
| enum protection_level { |
| prot_clear, |
| prot_safe, |
| prot_confidential, |
| prot_private |
| }; |
| #endif |
| |
| /* enum for the nonblocking SSL connection state machine */ |
| typedef enum { |
| ssl_connect_1, |
| ssl_connect_2, |
| ssl_connect_2_reading, |
| ssl_connect_2_writing, |
| ssl_connect_3, |
| ssl_connect_done |
| } ssl_connect_state; |
| |
| /* struct for data related to each SSL connection */ |
| struct ssl_connect_data { |
| bool use; /* use ssl encrypted communications TRUE/FALSE */ |
| #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; |
| #endif /* USE_GNUTLS */ |
| }; |
| |
| struct ssl_config_data { |
| long version; /* what version the client wants to use */ |
| long certverifyresult; /* result from the certificate verification */ |
| long verifypeer; /* set TRUE if this is desired */ |
| long verifyhost; /* 0: no verify |
| 1: check that CN exists |
| 2: CN must match hostname */ |
| char *CApath; /* DOES NOT WORK ON WINDOWS */ |
| char *CAfile; /* cerficate to verify peer against */ |
| 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 */ |
| long numsessions; /* SSL session id cache size */ |
| curl_ssl_ctx_callback fsslctx; /* function to initialize ssl ctx */ |
| void *fsslctxp; /* parameter for call back */ |
| bool sessionid; /* cache session IDs or not */ |
| }; |
| |
| /* information stored about one single SSL session */ |
| struct curl_ssl_session { |
| char *name; /* host name for which this ID was 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 */ |
| }; |
| |
| /* Struct used for Digest challenge-response authentication */ |
| struct digestdata { |
| 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 */ |
| }; |
| |
| typedef enum { |
| NTLMSTATE_NONE, |
| NTLMSTATE_TYPE1, |
| NTLMSTATE_TYPE2, |
| NTLMSTATE_TYPE3, |
| NTLMSTATE_LAST |
| } curlntlm; |
| |
| #ifdef USE_WINDOWS_SSPI |
| /* When including these headers, you must define either SECURITY_WIN32 |
| * or SECURITY_KERNEL, indicating who is compiling the code. |
| */ |
| #define SECURITY_WIN32 1 |
| #include <security.h> |
| #include <sspi.h> |
| #include <rpc.h> |
| #endif |
| |
| #if defined(CURL_DOES_CONVERSIONS) && defined(HAVE_ICONV) |
| #include <iconv.h> |
| #endif |
| |
| /* Struct used for NTLM challenge-response authentication */ |
| struct ntlmdata { |
| curlntlm state; |
| #ifdef USE_WINDOWS_SSPI |
| CredHandle handle; |
| CtxtHandle c_handle; |
| SEC_WINNT_AUTH_IDENTITY identity; |
| SEC_WINNT_AUTH_IDENTITY *p_identity; |
| int has_handles; |
| void *type_2; |
| int n_type_2; |
| #else |
| unsigned int flags; |
| unsigned char nonce[8]; |
| #endif |
| }; |
| |
| #ifdef HAVE_GSSAPI |
| struct negotiatedata { |
| bool gss; /* Whether we're processing GSS-Negotiate or Negotiate */ |
| const char* protocol; /* "GSS-Negotiate" or "Negotiate" */ |
| OM_uint32 status; |
| gss_ctx_id_t context; |
| gss_name_t server_name; |
| gss_buffer_desc output_token; |
| }; |
| #endif |
| |
| /**************************************************************************** |
| * HTTP unique setup |
| ***************************************************************************/ |
| struct HTTP { |
| struct FormData *sendit; |
| curl_off_t postsize; /* off_t to handle large file sizes */ |
| char *postdata; |
| |
| const char *p_pragma; /* Pragma: string */ |
| const char *p_accept; /* Accept: string */ |
| curl_off_t readbytecount; |
| curl_off_t writebytecount; |
| |
| /* For FORM posting */ |
| struct Form form; |
| struct Curl_chunker chunk; |
| |
| struct back { |
| curl_read_callback fread; /* backup storage for fread pointer */ |
| void *fread_in; /* backup storage for fread_in pointer */ |
| char *postdata; |
| curl_off_t postsize; |
| } backup; |
| |
| enum { |
| HTTPSEND_NADA, /* init */ |
| HTTPSEND_REQUEST, /* sending a request */ |
| HTTPSEND_BODY, /* sending body */ |
| HTTPSEND_LAST /* never use this */ |
| } sending; |
| |
| void *send_buffer; /* used if the request couldn't be sent in one chunk, |
| points to an allocated send_buffer struct */ |
| }; |
| |
| /**************************************************************************** |
| * FTP unique setup |
| ***************************************************************************/ |
| typedef enum { |
| FTP_STOP, /* do nothing state, stops the state machine */ |
| FTP_WAIT220, /* waiting for the initial 220 response immediately after |
| a connect */ |
| FTP_AUTH, |
| FTP_USER, |
| FTP_PASS, |
| FTP_ACCT, |
| FTP_PBSZ, |
| FTP_PROT, |
| FTP_CCC, |
| FTP_PWD, |
| FTP_QUOTE, /* waiting for a response to a command sent in a quote list */ |
| FTP_RETR_PREQUOTE, |
| FTP_STOR_PREQUOTE, |
| FTP_POSTQUOTE, |
| FTP_CWD, /* change dir */ |
| FTP_MKD, /* if the dir didn't exist */ |
| FTP_MDTM, /* to figure out the datestamp */ |
| FTP_TYPE, /* to set type when doing a head-like request */ |
| FTP_LIST_TYPE, /* set type when about to do a dir list */ |
| FTP_RETR_TYPE, /* set type when about to RETR a file */ |
| FTP_STOR_TYPE, /* set type when about to STOR a file */ |
| FTP_SIZE, /* get the remote file's size for head-like request */ |
| FTP_RETR_SIZE, /* get the remote file's size for RETR */ |
| FTP_STOR_SIZE, /* get the size for (resumed) STOR */ |
| FTP_REST, /* when used to check if the server supports it in head-like */ |
| FTP_RETR_REST, /* when asking for "resume" in for RETR */ |
| FTP_PORT, /* generic state for PORT, LPRT and EPRT, check count1 */ |
| FTP_PASV, /* generic state for PASV and EPSV, check count1 */ |
| FTP_LIST, /* generic state for LIST, NLST or a custom list command */ |
| FTP_RETR, |
| FTP_STOR, /* generic state for STOR and APPE */ |
| FTP_QUIT, |
| FTP_LAST /* never used */ |
| } ftpstate; |
| |
| typedef enum { |
| FTPFILE_MULTICWD = 1, /* as defined by RFC1738 */ |
| FTPFILE_NOCWD = 2, /* use SIZE / RETR / STOR on the full path */ |
| FTPFILE_SINGLECWD = 3 /* make one CWD, then SIZE / RETR / STOR on the file */ |
| } curl_ftpfile; |
| |
| /* This FTP struct is used in the SessionHandle. All FTP data that is |
| connection-oriented must be in FTP_conn to properly deal with the fact that |
| perhaps the SessionHandle is changed between the times the connection is |
| used. */ |
| struct FTP { |
| curl_off_t *bytecountp; |
| char *user; /* user name string */ |
| char *passwd; /* password string */ |
| char *urlpath; /* the originally given path part of the URL */ |
| char *file; /* decoded file */ |
| bool no_transfer; /* nothing was transfered, (possibly because a resumed |
| transfer already was complete) */ |
| curl_off_t downloadsize; |
| }; |
| |
| /* ftp_conn is used for striuct connection-oriented data in the connectdata |
| struct */ |
| struct ftp_conn { |
| char *entrypath; /* the PWD reply when we logged on */ |
| char **dirs; /* realloc()ed array for path components */ |
| int dirdepth; /* number of entries used in the 'dirs' array */ |
| int diralloc; /* number of entries allocated for the 'dirs' array */ |
| char *cache; /* data cache between getresponse()-calls */ |
| curl_off_t cache_size; /* size of cache in bytes */ |
| bool dont_check; /* Set to TRUE to prevent the final (post-transfer) |
| file size and 226/250 status check. It should still |
| read the line, just ignore the result. */ |
| long response_time; /* When no timeout is given, this is the amount of |
| seconds we await for an FTP response. Initialized |
| in Curl_ftp_connect() */ |
| bool ctl_valid; /* Tells Curl_ftp_quit() whether or not to do anything. If |
| the connection has timed out or been closed, this |
| should be FALSE when it gets to Curl_ftp_quit() */ |
| bool cwddone; /* if it has been determined that the proper CWD combo |
| already has been done */ |
| bool cwdfail; /* set TRUE if a CWD command fails, as then we must prevent |
| caching the current directory */ |
| char *prevpath; /* conn->path from the previous transfer */ |
| char transfertype; /* set by ftp_transfertype for use by Curl_client_write()a |
| and others (A/I or zero) */ |
| size_t nread_resp; /* number of bytes currently read of a server response */ |
| char *linestart_resp; /* line start pointer for the FTP server response |
| reader function */ |
| |
| int count1; /* general purpose counter for the state machine */ |
| int count2; /* general purpose counter for the state machine */ |
| int count3; /* general purpose counter for the state machine */ |
| char *sendthis; /* allocated pointer to a buffer that is to be sent to the |
| ftp server */ |
| size_t sendleft; /* number of bytes left to send from the sendthis buffer */ |
| size_t sendsize; /* total size of the sendthis buffer */ |
| struct timeval response; /* set to Curl_tvnow() when a command has been sent |
| off, used to time-out response reading */ |
| ftpstate state; /* always use ftp.c:state() to change state! */ |
| }; |
| |
| struct SSHPROTO { |
| curl_off_t *bytecountp; |
| char *user; |
| char *passwd; |
| char *path; /* the path we operate on */ |
| char *homedir; |
| char *errorstr; |
| #ifdef USE_LIBSSH2 |
| LIBSSH2_SESSION *ssh_session; /* Secure Shell session */ |
| LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */ |
| LIBSSH2_SFTP *sftp_session; /* SFTP handle */ |
| LIBSSH2_SFTP_HANDLE *sftp_handle; |
| #endif /* USE_LIBSSH2 */ |
| }; |
| |
| |
| /**************************************************************************** |
| * FILE unique setup |
| ***************************************************************************/ |
| struct FILEPROTO { |
| char *path; /* the path we operate on */ |
| char *freepath; /* pointer to the allocated block we must free, this might |
| differ from the 'path' pointer */ |
| int fd; /* open file descriptor to read from! */ |
| }; |
| |
| /* |
| * 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 chunk; /* if set, this is a chunked transfer-encoding */ |
| 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 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. */ |
| |
| bool tcpconnect; /* the TCP layer (or simimlar) 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 no_body; /* CURLOPT_NO_BODY (or similar) was set */ |
| bool 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 |
| 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 |
| 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 |
| 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 |
| EPRT doesn't work we disable it for the forthcoming |
| requests */ |
| bool netrc; /* name+password provided by netrc */ |
| |
| bool trailerHdrPresent; /* Set when Trailer: header found in HTTP response. |
| Required to determine whether to look for trailers |
| in case of Transfer-Encoding: chunking */ |
| 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. */ |
| }; |
| |
| struct hostname { |
| char *rawalloc; /* allocated "raw" version of the name */ |
| char *encalloc; /* allocated IDN-encoded version of the name */ |
| char *name; /* name to use internally, might be encoded, might be raw */ |
| char *dispname; /* name to display, as 'name' might be encoded */ |
| }; |
| |
| /* |
| * Flags on the keepon member of the Curl_transfer_keeper |
| */ |
| |
| #define KEEP_NONE 0 |
| #define KEEP_READ 1 /* there is or may be data to read */ |
| #define KEEP_WRITE 2 /* there is or may be data to write */ |
| #define KEEP_READ_HOLD 4 /* when set, no reading should be done but there |
| might still be data to read */ |
| #define KEEP_WRITE_HOLD 8 /* when set, no writing should be done but there |
| might still be data to write */ |
| |
| /* |
| * This struct is all the previously local variables from Curl_perform() moved |
| * to struct to allow the function to return and get re-invoked better without |
| * losing state. |
| */ |
| |
| struct Curl_transfer_keeper { |
| |
| /** Values copied over from the HandleData struct each time on init **/ |
| |
| 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, 0 |
| means unlimited */ |
| curl_off_t *writebytecountp; /* return number of bytes written or NULL */ |
| |
| /** End of HandleData struct copies **/ |
| |
| curl_off_t bytecount; /* total number of bytes read */ |
| curl_off_t writebytecount; /* number of bytes written */ |
| |
| struct timeval start; /* transfer started at this time */ |
| struct timeval now; /* current time */ |
| bool header; /* incoming data has HTTP header */ |
| enum { |
| HEADER_NORMAL, /* no bad header at all */ |
| HEADER_PARTHEADER, /* part of the chunk is a bad header, the rest |
| is normal data */ |
| HEADER_ALLBAD /* all was believed to be header */ |
| } badheader; /* the header was deemed bad and will be |
| 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' line */ |
| int httpversion; /* the HTTP version*10 */ |
| struct timeval start100; /* time stamp to wait for the 100 code from */ |
| bool write_after_100_header; /* TRUE = we enable the write after we |
| received a 100-continue/timeout or |
| FALSE = directly */ |
| bool wait100_after_headers; /* TRUE = after the request-headers have been |
| sent off properly, we go into the wait100 |
| state, FALSE = don't */ |
| int content_encoding; /* What content encoding. sec 3.5, RFC2616. */ |
| |
| #define IDENTITY 0 /* No encoding */ |
| #define DEFLATE 1 /* zlib delfate [RFC 1950 & 1951] */ |
| #define GZIP 2 /* gzip algorithm [RFC 1952] */ |
| #define COMPRESS 3 /* Not handled, added for completeness */ |
| |
| #ifdef HAVE_LIBZ |
| bool zlib_init; /* True if zlib already initialized; |
| undefined if Content-Encoding header. */ |
| z_stream z; /* State structure for zlib. */ |
| #endif |
| |
| 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 */ |
| }; |
| |
| #if defined(USE_ARES) || defined(USE_THREADING_GETHOSTBYNAME) || \ |
| defined(USE_THREADING_GETADDRINFO) |
| 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 */ |
| }; |
| #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 *); |
| typedef CURLcode (*Curl_done_func)(struct connectdata *, CURLcode, bool); |
| |
| |
| /* |
| * Store's request specific data in the easy handle (SessionHandle). |
| * Previously, these members were on the connectdata struct but since |
| * a conn struct may now be shared between different SessionHandles, |
| * we store connection-specifc data here. |
| * |
| */ |
| struct HandleData { |
| char *pathbuffer;/* allocated buffer to store the URL's path part in */ |
| char *path; /* path to use, points to somewhere within the pathbuffer |
| area */ |
| |
| char *newurl; /* This can only be set if a Location: was in the |
| document headers */ |
| |
| /* This struct is inited when needed */ |
| struct Curl_transfer_keeper keep; |
| |
| /* 'upload_present' is used to keep a byte counter of how much data there 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 */ |
| char *upload_fromhere; |
| |
| 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, 0 |
| means unlimited */ |
| curl_off_t *writebytecountp; /* return number of bytes written or NULL */ |
| |
| 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 */ |
| |
| /* Protocol specific data */ |
| |
| union { |
| struct HTTP *http; |
| struct HTTP *https; /* alias, just for the sake of being more readable */ |
| struct FTP *ftp; |
| void *tftp; /* private for tftp.c-eyes only */ |
| struct FILEPROTO *file; |
| void *telnet; /* private for telnet.c-eyes only */ |
| void *generic; |
| struct SSHPROTO *ssh; |
| } proto; |
| }; |
| |
| /* |
| * 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 |
| caution that this might very well vary between different times this |
| connection is used! */ |
| struct SessionHandle *data; |
| |
| 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). */ |
| |
| /**** Fields set when inited and not modified again */ |
| long connectindex; /* what index in the connection cache connects index this |
| particular struct has */ |
| long protocol; /* PROT_* flags concerning the protocol set */ |
| #define PROT_MISSING (1<<0) |
| #define PROT_HTTP (1<<2) |
| #define PROT_HTTPS (1<<3) |
| #define PROT_FTP (1<<4) |
| #define PROT_TELNET (1<<5) |
| #define PROT_DICT (1<<6) |
| #define PROT_LDAP (1<<7) |
| #define PROT_FILE (1<<8) |
| #define PROT_FTPS (1<<9) |
| #define PROT_SSL (1<<10) /* protocol requires SSL */ |
| #define PROT_TFTP (1<<11) |
| #define PROT_SCP (1<<12) |
| #define PROT_SFTP (1<<13) |
| |
| #define PROT_CLOSEACTION PROT_FTP /* these ones need action before socket |
| close */ |
| |
| /* '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 |
| 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; |
| |
| /* 'ip_addr_str' is the ip_addr data as a human readable malloc()ed string. |
| It remains available as long as the connection does, which is longer than |
| the ip_addr itself. Set with Curl_store_ip_addr() when ip_addr has been |
| set. */ |
| char *ip_addr_str; |
| |
| char protostr[16]; /* store the protocol string in this buffer */ |
| int socktype; /* SOCK_STREAM or SOCK_DGRAM */ |
| |
| struct hostname host; |
| struct hostname proxy; |
| |
| long port; /* which port to use locally */ |
| unsigned short remote_port; /* what remote port to connect to, |
| not the proxy port! */ |
| |
| long headerbytecount; /* only count received headers */ |
| long deductheadercount; /* this amount of bytes doesn't count when we check |
| if anything has been transfered 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 */ |
| |
| char *user; /* user name string, allocated */ |
| char *passwd; /* password string, allocated */ |
| |
| char *proxyuser; /* proxy user name string, allocated */ |
| char *proxypasswd; /* proxy password string, allocated */ |
| |
| struct timeval now; /* "current" time */ |
| struct timeval created; /* creation time */ |
| curl_socket_t sock[2]; /* two sockets, the second is used for the data |
| transfer when doing FTP */ |
| |
| struct ssl_connect_data ssl[2]; /* this is for ssl-stuff */ |
| struct ssl_config_data ssl_config; |
| |
| struct ConnectBits bits; /* various state-flags for this connection */ |
| |
| /* These two functions MUST be set by the curl_connect() function to be |
| be protocol dependent */ |
| CURLcode (*curl_do)(struct connectdata *, bool *done); |
| Curl_done_func curl_done; |
| |
| /* If the curl_do() function is better made in two halves, this |
| * curl_do_more() function will be called afterwards, if set. For example |
| * for doing the FTP stuff after the PASV/PORT command. |
| */ |
| Curl_do_more_func curl_do_more; |
| |
| /* This function *MAY* be set to a protocol-dependent function that is run |
| * after the connect() and everything is done, as a step in the connection. |
| * The 'done' pointer points to a bool that should be set to TRUE if the |
| * function completes before return. If it doesn't complete, the caller |
| * should call the curl_connecting() function until it is. |
| */ |
| CURLcode (*curl_connect)(struct connectdata *, bool *done); |
| |
| /* See above. Currently only used for FTP. */ |
| CURLcode (*curl_connecting)(struct connectdata *, bool *done); |
| CURLcode (*curl_doing)(struct connectdata *, bool *done); |
| |
| /* Called from the multi interface during the PROTOCONNECT phase, and it |
| should then return a proper fd set */ |
| int (*curl_proto_getsock)(struct connectdata *conn, |
| curl_socket_t *socks, |
| int numsocks); |
| |
| /* Called from the multi interface during the DOING phase, and it should |
| then return a proper fd set */ |
| int (*curl_doing_getsock)(struct connectdata *conn, |
| curl_socket_t *socks, |
| int numsocks); |
| |
| /* This function *MAY* be set to a protocol-dependent function that is run |
| * by the curl_disconnect(), as a step in the disconnection. |
| */ |
| CURLcode (*curl_disconnect)(struct connectdata *); |
| |
| /* This function *MAY* be set to a protocol-dependent function that is run |
| * in the curl_close() function if protocol-specific cleanups are required. |
| */ |
| CURLcode (*curl_close)(struct connectdata *); |
| |
| /**** curl_get() phase fields */ |
| |
| curl_socket_t sockfd; /* socket to read from or CURL_SOCKET_BAD */ |
| curl_socket_t writesockfd; /* socket to write to, it may very |
| well be the same we read from. |
| CURL_SOCKET_BAD disables */ |
| |
| /** Dynamicly allocated strings, may need to be freed before this **/ |
| /** struct is killed. **/ |
| struct dynamically_allocated_data { |
| char *proxyuserpwd; /* free later if not NULL! */ |
| char *uagent; /* free later if not NULL! */ |
| char *accept_encoding; /* free later if not NULL! */ |
| char *userpwd; /* free later if not NULL! */ |
| char *rangeline; /* free later if not NULL! */ |
| char *ref; /* free later if not NULL! */ |
| char *host; /* free later if not NULL */ |
| char *cookiehost; /* free later if not NULL */ |
| } allocptr; |
| |
| int sec_complete; /* if krb4 is enabled for this connection */ |
| #ifdef HAVE_KRB4 |
| enum protection_level command_prot; |
| enum protection_level data_prot; |
| enum protection_level request_data_prot; |
| size_t buffer_size; |
| struct krb4buffer in_buffer, out_buffer; |
| void *app_data; |
| const struct Curl_sec_client_mech *mech; |
| struct sockaddr_in local_addr; |
| #endif |
| |
| 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 */ |
| bool is_in_pipeline; /* TRUE if this connection is in a pipeline */ |
| |
| 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[BUFSIZE]; /* The master buffer for this connection. */ |
| size_t read_pos; /* Current read position in the master buffer */ |
| size_t buf_len; /* Length of the buffer?? */ |
| |
| |
| /*************** Request - specific items ************/ |
| |
| /* previously this was in the urldata struct */ |
| curl_read_callback fread; /* function that reads the input */ |
| void *fread_in; /* pointer to pass to the fread() above */ |
| |
| struct ntlmdata ntlm; /* NTLM differs from other authentication schemes |
| because it authenticates connections, not |
| single requests! */ |
| struct ntlmdata proxyntlm; /* NTLM data for proxy */ |
| |
| char syserr_buf [256]; /* buffer for Curl_strerror() */ |
| |
| #if defined(USE_ARES) || defined(USE_THREADING_GETHOSTBYNAME) || \ |
| defined(USE_THREADING_GETADDRINFO) |
| /* 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 */ |
| |
| union { |
| struct ftp_conn ftpc; |
| } proto; |
| }; |
| |
| /* The end of connectdata. */ |
| |
| /* |
| * Struct to keep statistical and informational data. |
| */ |
| struct PureInfo { |
| int httpcode; /* Recent HTTP or FTP response code */ |
| int httpproxycode; |
| int httpversion; |
| 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. */ |
| long header_size; /* size of read header(s) in bytes */ |
| long request_size; /* the amount of bytes sent in the request(s) */ |
| |
| long proxyauthavail; |
| long httpauthavail; |
| |
| long numconnects; /* how many new connection did libcurl created */ |
| |
| char *contenttype; /* the content type of the object */ |
| }; |
| |
| |
| struct Progress { |
| long 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; /* transfered so far */ |
| curl_off_t uploaded; /* transfered 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; |
| |
| curl_off_t dlspeed; |
| curl_off_t ulspeed; |
| |
| double t_nslookup; |
| double t_connect; |
| double t_pretransfer; |
| double t_starttransfer; |
| double t_redirect; |
| |
| struct timeval start; |
| struct timeval t_startsingle; |
| #define CURR_TIME (5+1) /* 6 entries for 5 seconds */ |
| |
| curl_off_t speeder[ CURR_TIME ]; |
| struct timeval speeder_time[ CURR_TIME ]; |
| int speeder_c; |
| }; |
| |
| typedef enum { |
| HTTPREQ_NONE, /* first in list */ |
| HTTPREQ_GET, |
| HTTPREQ_POST, |
| HTTPREQ_POST_FORM, /* we make a difference internally */ |
| HTTPREQ_PUT, |
| HTTPREQ_HEAD, |
| HTTPREQ_CUSTOM, |
| HTTPREQ_LAST /* last in list */ |
| } Curl_HttpReq; |
| |
| /* |
| * 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_USER_LENGTH_TXT "255" |
| #define MAX_CURL_PASSWORD_LENGTH_TXT "255" |
| |
| struct auth { |
| long want; /* Bitmask set to the authentication methods wanted by the app |
| (with CURLOPT_HTTPAUTH or CURLOPT_PROXYAUTH). */ |
| long picked; |
| 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 */ |
| |
| }; |
| |
| struct conncache { |
| /* 'connects' will be an allocated array with pointers. If the pointer is |
| set, it holds an allocated connection. */ |
| struct connectdata **connects; |
| long num; /* number of entries of the 'connects' array */ |
| enum { |
| CONNCACHE_PRIVATE, /* used for an easy handle alone */ |
| CONNCACHE_MULTI /* shared within a multi handle */ |
| } type; |
| }; |
| |
| |
| struct UrlState { |
| enum { |
| Curl_if_none, |
| Curl_if_easy, |
| Curl_if_multi |
| } used_interface; |
| |
| struct conncache *connc; /* points to the connection cache this handle |
| uses */ |
| |
| /* buffers to store authentication data in, as parsed from input options */ |
| struct timeval keeps_speed; /* for the progress meter really */ |
| |
| long lastconnect; /* index of most recent connect or -1 if undefined */ |
| |
| char *headerbuff; /* allocated buffer to store headers in */ |
| size_t headersize; /* size of the allocation */ |
| |
| char buffer[BUFSIZE+1]; /* download buffer */ |
| char uploadbuffer[BUFSIZE+1]; /* upload buffer */ |
| curl_off_t current_speed; /* the ProgressShow() funcion sets this, |
| bytes / second */ |
| bool this_is_a_follow; /* this is a followed Location: request */ |
| |
| bool is_in_pipeline; /* Indicates whether this handle is part of a pipeline */ |
| |
| char *first_host; /* 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 'numsessions' size */ |
| long sessionage; /* number of the most recent session */ |
| |
| 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. */ |
| 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; |
| struct digestdata proxydigest; |
| |
| #ifdef HAVE_GSSAPI |
| struct negotiatedata negotiate; |
| #endif |
| |
| struct auth authhost; |
| struct auth authproxy; |
| |
| bool authproblem; /* TRUE if there's some problem authenticating */ |
| |
| #ifdef USE_ARES |
| ares_channel areschannel; /* for name resolves */ |
| #endif |
| |
| #if defined(USE_SSLEAY) && defined(HAVE_OPENSSL_ENGINE_H) |
| ENGINE *engine; |
| #endif /* USE_SSLEAY */ |
| struct timeval expiretime; /* set this with Curl_expire() only */ |
| struct Curl_tree timenode; /* for the splay stuff */ |
| |
| /* a place to store the most recenlty set FTP entrypath */ |
| char *most_recent_ftp_entrypath; |
| |
| /* set after initial USER failure, to prevent an authentication loop */ |
| bool ftp_trying_alternative; |
| |
| 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 */ |
| bool cancelled; /* TRUE if the request was cancelled */ |
| |
| #ifndef WIN32 |
| /* 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; |
| /* for FTP downloads: how many CRLFs did we converted to LFs? */ |
| curl_off_t crlf_conversions; |
| #endif |
| /* If set to non-NULL, there's a connection in a shared connection cache |
| that uses this handle so we can't kill this SessionHandle just yet but |
| must keep it around and add it to the list of handles to kill once all |
| its connections are gone */ |
| void *shared_conn; |
| bool closed; /* set to TRUE when curl_easy_cleanup() has been called on this |
| handle, but it is kept around as mentioned for |
| shared_conn */ |
| }; |
| |
| |
| /* |
| * This 'DynamicStatic' struct defines dynamic states that actually change |
| * values in the 'UserDefined' area, which MUST be taken into consideration |
| * if the UserDefined struct is cloned or similar. You can probably just |
| * copy these, but each one indicate a special action on other data. |
| */ |
| |
| struct DynamicStatic { |
| char *url; /* work URL, copied from UserDefined */ |
| bool url_alloc; /* URL string is malloc()'ed */ |
| bool url_changed; /* set on CURL_OPT_URL, used to detect if the URL was |
| changed after the connect phase, as we allow callback |
| to change it and if so, we reconnect to use the new |
| URL instead */ |
| 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 */ |
| }; |
| |
| /* |
| * This 'UserDefined' struct must only contain data that is set once to go |
| * for many (perhaps) independent connections. Values that are generated or |
| * calculated internally for the "session handle" MUST be defined within the |
| * 'struct UrlState' instead. The only exceptions MUST note the changes in |
| * the 'DynamicStatic' struct. |
| */ |
| struct Curl_one_easy; /* declared and used only in multi.c */ |
| struct Curl_multi; /* declared and used only in multi.c */ |
| |
| struct UserDefined { |
| FILE *err; /* the stderr user data goes here */ |
| void *debugdata; /* the data that will be passed to fdebug */ |
| char *errorbuffer; /* store failure messages in here */ |
| char *proxyuserpwd; /* Proxy <user:password>, if used */ |
| 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 *writeheader; /* write the header to this if non-NULL */ |
| char *set_url; /* what original URL to work on */ |
| char *proxy; /* proxy to use */ |
| long use_port; /* which port to use (when not using default) */ |
| char *userpwd; /* <user:password>, if used */ |
| long httpauth; /* what kind of HTTP authentication to use (bitmask) */ |
| long proxyauth; /* what kind of proxy authentication to use (bitmask) */ |
| char *set_range; /* range, if used. See README for detailed specification |
| on this syntax. */ |
| long followlocation; /* as in HTTP Location: */ |
| long maxredirs; /* maximum no. of http(s) redirects to follow, set to -1 |
| for infinity */ |
| char *set_referer; /* custom string */ |
| bool free_referer; /* set TRUE if 'referer' points to a string we |
| allocated */ |
| char *useragent; /* User-Agent string */ |
| char *encoding; /* Accept-Encoding string */ |
| char *postfields; /* if POST, set the fields' values here */ |
| curl_off_t postfieldsize; /* if POST, this might have a size to use instead |
| of strlen(), and then the data *may* be binary |
| (contain zero bytes) */ |
| char *ftpport; /* port to send with the FTP PORT command */ |
| char *device; /* local network interface/address to use */ |
| unsigned short localport; /* local port number to bind to */ |
| int localportrange; /* number of additional port numbers to test in case the |
| 'localport' one can't be bind()ed */ |
| curl_write_callback fwrite; /* function that stores the output */ |
| curl_write_callback fwrite_header; /* function that stores headers */ |
| curl_read_callback fread; /* function that reads the input */ |
| curl_progress_callback fprogress; /* function for progress information */ |
| curl_debug_callback fdebug; /* function that write informational data */ |
| curl_ioctl_callback ioctl; /* function for I/O control */ |
| curl_sockopt_callback fsockopt; /* function for setting socket options */ |
| void *sockopt_client; /* pointer to pass to the socket options callback */ |
| |
| /* the 3 curl_conv_callback functions below are used on non-ASCII hosts */ |
| /* function to convert from the network encoding: */ |
| curl_conv_callback convfromnetwork; |
| /* function to convert to the network encoding: */ |
| curl_conv_callback convtonetwork; |
| /* function to convert from UTF-8 encoding: */ |
| curl_conv_callback convfromutf8; |
| |
| void *progress_client; /* pointer to pass to the progress callback */ |
| void *ioctl_client; /* pointer to pass to the ioctl callback */ |
| long timeout; /* in seconds, 0 means no timeout */ |
| long connecttimeout; /* in seconds, 0 means no timeout */ |
| long ftp_response_timeout; /* in seconds, 0 means no timeout */ |
| curl_off_t infilesize; /* 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 */ |
| curl_off_t max_recv_speed; /* high speed limit in bytes/second for download */ |
| curl_off_t set_resume_from; /* continue [ftp] transfer from here */ |
| char *cookie; /* HTTP cookie string to send */ |
| struct curl_slist *headers; /* linked list of extra headers */ |
| struct curl_httppost *httppost; /* linked list of POST data */ |
| char *cert; /* certificate */ |
| char *cert_type; /* format for certificate (default: PEM) */ |
| char *key; /* private key */ |
| char *key_type; /* format for private key (default: PEM) */ |
| char *key_passwd; /* plain text private key password */ |
| char *cookiejar; /* dump all cookies to this file */ |
| bool cookiesession; /* new cookie session? */ |
| bool crlf; /* convert crlf on ftp upload(?) */ |
| char *ftp_account; /* ftp account data */ |
| char *ftp_alternative_to_user; /* command to send if USER/PASS fails */ |
| 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 *source_quote; /* 3rd party quote */ |
| struct curl_slist *source_prequote; /* in 3rd party transfer mode - before |
| the transfer on source host */ |
| struct curl_slist *source_postquote; /* in 3rd party transfer mode - after |
| the transfer on source host */ |
| struct curl_slist *telnet_options; /* linked list of telnet options */ |
| 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 */ |
| char *customrequest; /* HTTP/FTP request to use */ |
| long httpversion; /* when non-zero, a specific HTTP version requested to |
| be used in the library's request(s) */ |
| char *auth_host; /* if set, this is the allocated string to the host name |
| * to which to send the authorization data to, and no other |
| * host (which location-following otherwise could lead to) |
| */ |
| char *krb4_level; /* what security level */ |
| struct ssl_config_data ssl; /* user defined SSL stuff */ |
| |
| curl_proxytype proxytype; /* what kind of proxy that is in use */ |
| |
| int dns_cache_timeout; /* DNS cache timeout */ |
| long buffer_size; /* size of receive buffer to use */ |
| |
| char *private_data; /* 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 ip_version; |
| |
| curl_off_t max_filesize; /* Maximum file size to download */ |
| |
| char *source_url; /* for 3rd party transfer */ |
| char *source_userpwd; /* for 3rd party transfer */ |
| |
| curl_ftpfile ftp_filemethod; /* how to get to a file when FTP is used */ |
| |
| /* 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; |
| bool tunnel_thru_httpproxy; |
| bool prefer_ascii; /* ASCII rather than binary */ |
| bool ftp_append; |
| bool ftp_list_only; |
| bool ftp_create_missing_dirs; |
| bool ftp_use_port; |
| bool hide_progress; |
| bool http_fail_on_error; |
| bool http_follow_location; |
| bool http_disable_hostname_check_before_authentication; |
| bool include_header; /* include received protocol headers in data output */ |
| bool http_set_referer; |
| bool http_auto_referer; /* set "correct" referer when following location: */ |
| bool opt_no_body; /* as set with CURLOPT_NO_BODY */ |
| bool set_port; |
| bool upload; |
| enum CURL_NETRC_OPTION |
| use_netrc; /* defined in include/curl.h */ |
| char *netrc_file; /* if not NULL, use this instead of trying to find |
| $HOME/.netrc */ |
| bool verbose; |
| bool krb4; /* kerberos4 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_ccc; /* if CCC is to be attempted or not */ |
| |
| curl_ftpssl ftp_ssl; /* if AUTH TLS is to be attempted etc */ |
| curl_ftpauth ftpsslauth; /* what AUTH XXX to be attempted */ |
| 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 */ |
| long ssh_auth_types; /* allowed SSH auth types */ |
| char *ssh_public_key; /* the path to the public key file for |
| authentication */ |
| char *ssh_private_key; /* the path to the private key file for |
| authentication */ |
| }; |
| |
| struct Names { |
| struct curl_hash *hostcache; |
| enum { |
| HCACHE_NONE, /* not pointing to anything */ |
| HCACHE_PRIVATE, /* points to our own */ |
| 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; |
| }; |
| |
| /* |
| * The 'connectdata' struct MUST have all the connection oriented stuff as we |
| * may have several simultaneous connections and connection structs in memory. |
| * |
| * The 'struct UserDefined' must only contain data that is set once to go for |
| * many (perhaps) independent connections. Values that are generated or |
| * calculated internally for the "session handle" must be defined within the |
| * 'struct UrlState' instead. |
| */ |
| |
| struct SessionHandle { |
| struct Names dns; |
| struct Curl_multi *multi; /* if non-NULL, points to the multi handle |
| struct to which this "belongs" */ |
| struct Curl_share *share; /* Share, handles global variable mutexing */ |
| struct HandleData reqdata; /* Request-specific data */ |
| struct UserDefined set; /* values set by the libcurl user */ |
| struct DynamicStatic change; /* possibly modified userdefined data */ |
| |
| struct CookieInfo *cookies; /* the cookies, read from files and servers */ |
| struct Progress progress; /* for all the progress meter data */ |
| struct UrlState state; /* struct for fields used for state info and |
| other dynamic purposes */ |
| struct PureInfo info; /* stats, reports and info data */ |
| #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 */ |
| iconv_t utf8_cd; /* for translating to UTF8 */ |
| #endif /* CURL_DOES_CONVERSIONS && HAVE_ICONV */ |
| unsigned int magic; /* set to a CURLEASY_MAGIC_NUMBER */ |
| }; |
| |
| #define LIBCURL_NAME "libcurl" |
| |
| #endif |
