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Diffstat (limited to 'Utilities/cmcurl-7.19.0/lib/urldata.h')
| -rw-r--r-- | Utilities/cmcurl-7.19.0/lib/urldata.h | 1542 |
1 files changed, 1542 insertions, 0 deletions
diff --git a/Utilities/cmcurl-7.19.0/lib/urldata.h b/Utilities/cmcurl-7.19.0/lib/urldata.h new file mode 100644 index 0000000..1be126e --- /dev/null +++ b/Utilities/cmcurl-7.19.0/lib/urldata.h @@ -0,0 +1,1542 @@ +#ifndef __URLDATA_H +#define __URLDATA_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2008, 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. + * + * $Id$ + ***************************************************************************/ + +/* 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_LDAPS 636 +#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 "ftp@example.com" + +#define MAX_IPADR_LEN (4*9) /* should be enough to hold the longest ipv6 one */ + +#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" +#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_NSS +#include <nspr.h> +#endif + +#ifdef USE_QSOSSL +#include <qsossl.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 0xc0dedbadU + +/* 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)) + +#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI) +/* Types needed for krb4/5-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, + prot_cmd +}; +#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; + +typedef enum { + ssl_connection_none, + ssl_connection_negotiating, + ssl_connection_complete +} ssl_connection_state; + +/* 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; +#endif /* USE_GNUTLS */ +#ifdef USE_NSS + PRFileDesc *handle; + char *client_nickname; +#endif /* USE_NSS */ +#ifdef USE_QSOSSL + SSLHandle *handle; +#endif /* USE_QSOSSL */ +}; + +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; /* certificate dir (doesn't work on windows) */ + char *CAfile; /* cerficate to verify peer against */ + char *CRLfile; /* CRL to check cerficate revocation */ + char *issuercert; /* optional issuer cerficate filename */ + 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 back { + curl_read_callback fread_func; /* 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; + +typedef enum { + FTPTRANSFER_BODY, /* yes do transfer a body */ + FTPTRANSFER_INFO, /* do still go through to get info/headers */ + FTPTRANSFER_NONE, /* don't get anything and don't get info */ + FTPTRANSFER_LAST /* end of list marker, never used */ +} curl_ftptransfer; + +/* 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 */ + + /* transfer a file/body or not, done as a typedefed enum just to make + debuggers display the full symbol and not just the numerical value */ + curl_ftptransfer transfer; + 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 *file; /* decoded file */ + 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! */ +}; + +/**************************************************************************** + * SSH unique setup + ***************************************************************************/ +typedef enum { + SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */ + SSH_STOP = 0, /* do nothing state, stops the state machine */ + + SSH_S_STARTUP, /* Session startup, First state in SSH-CONNECT */ + SSH_AUTHLIST, + SSH_AUTH_PKEY_INIT, + SSH_AUTH_PKEY, + SSH_AUTH_PASS_INIT, + SSH_AUTH_PASS, + SSH_AUTH_HOST_INIT, + SSH_AUTH_HOST, + SSH_AUTH_KEY_INIT, + SSH_AUTH_KEY, + SSH_AUTH_DONE, + SSH_SFTP_INIT, + SSH_SFTP_REALPATH, /* Last state in SSH-CONNECT */ + + SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */ + SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */ + SSH_SFTP_QUOTE, + SSH_SFTP_NEXT_QUOTE, + SSH_SFTP_QUOTE_STAT, + SSH_SFTP_QUOTE_SETSTAT, + SSH_SFTP_QUOTE_SYMLINK, + SSH_SFTP_QUOTE_MKDIR, + SSH_SFTP_QUOTE_RENAME, + SSH_SFTP_QUOTE_RMDIR, + SSH_SFTP_QUOTE_UNLINK, + SSH_SFTP_TRANS_INIT, + SSH_SFTP_UPLOAD_INIT, + SSH_SFTP_CREATE_DIRS_INIT, + SSH_SFTP_CREATE_DIRS, + SSH_SFTP_CREATE_DIRS_MKDIR, + SSH_SFTP_READDIR_INIT, + SSH_SFTP_READDIR, + SSH_SFTP_READDIR_LINK, + SSH_SFTP_READDIR_BOTTOM, + SSH_SFTP_READDIR_DONE, + SSH_SFTP_DOWNLOAD_INIT, + SSH_SFTP_DOWNLOAD_STAT, /* Last state in SFTP-DO */ + SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */ + SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */ + SSH_SCP_TRANS_INIT, /* First state in SCP-DO */ + SSH_SCP_UPLOAD_INIT, + SSH_SCP_DOWNLOAD_INIT, + SSH_SCP_DONE, + SSH_SCP_SEND_EOF, + SSH_SCP_WAIT_EOF, + SSH_SCP_WAIT_CLOSE, + SSH_SCP_CHANNEL_FREE, /* Last state in SCP-DONE */ + SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */ + SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */ + SSH_QUIT, + SSH_LAST /* never used */ +} sshstate; + +/* this struct is used in the HandleData struct which is part of the + SessionHandle, which means this is used on a per-easy handle basis. + Everything that is strictly related to a connection is banned from this + struct. */ +struct SSHPROTO { + char *path; /* the path we operate on */ +}; + +/* ssh_conn is used for struct connection-oriented data in the connectdata + struct */ +struct ssh_conn { + const char *authlist; /* List of auth. methods, managed by libssh2 */ +#ifdef USE_LIBSSH2 + const char *passphrase; /* passphrase to use */ + char *rsa_pub; /* path name */ + char *rsa; /* path name */ + bool authed; /* the connection has been authenticated fine */ + sshstate state; /* always use ssh.c:state() to change state! */ + sshstate nextstate; /* the state to goto after stopping */ + CURLcode actualcode; /* the actual error code */ + struct curl_slist *quote_item; /* for the quote option */ + char *quote_path1; /* two generic pointers for the QUOTE stuff */ + char *quote_path2; + LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */ + char *homedir; /* when doing SFTP we figure out home dir in the + connect phase */ + + /* Here's a set of struct members used by the SFTP_READDIR state */ + LIBSSH2_SFTP_ATTRIBUTES readdir_attrs; + char *readdir_filename; + char *readdir_longentry; + int readdir_len, readdir_totalLen, readdir_currLen; + char *readdir_line; + char *readdir_linkPath; + /* end of READDIR stuff */ + + int secondCreateDirs; /* counter use by the code to see if the + second attempt has been made to change + to/create a directory */ + char *slash_pos; /* used by the SFTP_CREATE_DIRS state */ + 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 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; /* 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 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 tunnel_connecting; /* TRUE while we're still waiting for a proxy CONNECT + */ + 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 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/ + connection */ +}; + +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<<0) /* there is or may be data to read */ +#define KEEP_WRITE (1<<1) /* there is or may be data to write */ +#define KEEP_READ_HOLD (1<<2) /* when set, no reading should be done but there + might still be data to read */ +#define KEEP_WRITE_HOLD (1<<3) /* when set, no writing should be done but there + might still be data to write */ +#define KEEP_READ_PAUSE (1<<4) /* reading is paused */ +#define KEEP_WRITE_PAUSE (1<<5) /* writing is paused */ + +#define KEEP_READBITS (KEEP_READ | KEEP_READ_HOLD | KEEP_READ_PAUSE) +#define KEEP_WRITEBITS (KEEP_WRITE | KEEP_WRITE_HOLD | KEEP_WRITE_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 + +#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); + + +enum expect100 { + EXP100_SEND_DATA, /* enough waiting, just send the body now */ + EXP100_AWAITING_CONTINUE, /* waiting for the 100 Continue header */ + EXP100_SENDING_REQUEST, /* still sending the request but will wait for + the 100 header once done with the request */ + EXP100_FAILED /* used on 417 Expectation Failed */ +}; + +/* + * 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. 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 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 */ + + 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 */ + enum expect100 exp100; /* expect 100 continue state */ + + 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 + zlibInitState zlib_init; /* possible zlib init state; + 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 */ + + 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 + wanted */ + + /* '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; + + bool chunk; /* if set, this is a chunked transfer-encoding */ + 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 trailerhdrpresent; /* Set when Trailer: header found in HTTP response. + Required to determine whether to look for trailers + in case of Transfer-Encoding: chunking */ +}; + +/* + * Specific protocol handler. + */ + +struct Curl_handler { + const char * scheme; /* URL scheme name. */ + + /* Complement to setup_connection_internals(). */ + CURLcode (*setup_connection)(struct connectdata *); + + /* These two functions MUST be set to be protocol dependent */ + CURLcode (*do_it)(struct connectdata *, bool *done); + Curl_done_func 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 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 (*connect_it)(struct connectdata *, bool *done); + + /* See above. Currently only used for FTP. */ + 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); + + /* 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); + + /* This function *MAY* be set to a protocol-dependent function that is run + * by the curl_disconnect(), as a step in the disconnection. + */ + CURLcode (*disconnect)(struct connectdata *); + + long defport; /* Default port. */ + long protocol; /* PROT_* flags concerning the protocol set */ +}; + +/* + * 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; + + /* 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 + and a HTTP proxy may in fact respond using chunked encoding */ + struct Curl_chunker chunk; + + 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; + + unsigned int scope; /* address scope for IPv6 */ + + 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! */ + + char *user; /* user name string, allocated */ + char *passwd; /* password 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 */ + + 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 */ + + const struct Curl_handler * handler; /* Connection's protocol handler. */ + + /**** 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 kerberos is enabled for this connection */ +#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI) + 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 server_supports_pipelining; /* TRUE if server supports pipelining, + set after first response */ + + 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 */ + struct curl_llist *pend_pipe; /* List of pending handles on + this pipeline */ +#define MAX_PIPELINE_LENGTH 5 + + 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?? */ + + + curl_seek_callback seek_func; /* function that seeks the input */ + void *seek_client; /* pointer to pass to the seek() above */ + + /*************** Request - specific items ************/ + + /* 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 */ + + 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; + struct ssh_conn sshc; + } proto; + + int cselect_bits; /* bitmask of socket events */ +}; + +/* The end of connectdata. */ + +/* + * Struct to keep statistical and informational data. + */ +struct PureInfo { + int httpcode; /* Recent HTTP or FTP 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. */ + long header_size; /* size of read header(s) in bytes */ + long request_size; /* the amount of bytes sent in the request(s) */ + long proxyauthavail; /* what proxy auth types were announced */ + 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 */ + char ip[MAX_IPADR_LEN]; /* this buffer gets the numerical ip version stored + at the connect *attempt* so it will get the last + tried connect IP even on failures */ +}; + + +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_appconnect; + 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 */ + + 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 *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. */ + 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 HAVE_GSSAPI + 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 */ + +#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 */ + +#if !defined(WIN32) && !defined(MSDOS) && !defined(__EMX__) && \ + !defined(__SYMBIAN32__) +/* 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 */ + 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 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. + * + ************************************************************************* + * 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 requst 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 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; + /* current user of this SessionHandle instance, or NULL */ + struct connectdata *current_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 */ + 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. + * 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 */ + +enum dupstring { + STRING_CERT, /* client certificate file name */ + STRING_CERT_TYPE, /* format for certificate (default: PEM)*/ + STRING_COOKIE, /* HTTP cookie string to send */ + STRING_COOKIEJAR, /* dump all cookies to this file */ + STRING_CUSTOMREQUEST, /* HTTP/FTP request/method to use */ + 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_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_PROXYUSERPWD, /* Proxy <user:password>, if used */ + 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_SSH_PRIVATE_KEY, /* path to the private key file for auth */ + STRING_SSH_PUBLIC_KEY, /* path to the public key file for auth */ + 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_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_USERPWD, /* <user:password>, if used */ + STRING_SSH_HOST_PUBLIC_KEY_MD5, /* md5 of host public key in ascii hex */ + STRING_SSL_CRLFILE, /* crl file to check certificate */ + STRING_SSL_ISSUERCERT, /* issuer cert file to check certificate */ + + /* -- end of strings -- */ + STRING_LAST /* not used, just an end-of-list marker */ +}; + +struct UserDefined { + FILE *err; /* the stderr user data goes here */ + void *debugdata; /* the data that will be passed to fdebug */ + char *errorbuffer; /* (Static) store failure messages in here */ + 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 */ + long use_port; /* which port to use (when not using default) */ + long httpauth; /* what kind of HTTP authentication to use (bitmask) */ + long proxyauth; /* what kind of proxy 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 */ + bool post301; /* Obey RFC 2616/10.3.2 and keep POSTs as POSTs after a + 301 */ + 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 + of strlen(), and then the data *may* be binary + (contain zero bytes) */ + 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_func; /* function that stores the output */ + curl_write_callback fwrite_header; /* function that stores headers */ + curl_read_callback fread_func; /* 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_func; /* 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 */ + curl_opensocket_callback fopensocket; /* function for checking/translating + the address and opening the socket */ + void* opensocket_client; + + void *seek_client; /* pointer to pass to the seek 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 milliseconds, 0 means no timeout */ + long connecttimeout; /* in milliseconds, 0 means no timeout */ + long ftp_response_timeout; /* in milliseconds, 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 */ + 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 *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 */ + 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 */ + 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 */ + 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 ip_version; /* 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 */ + + 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; /* 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_create_missing_dirs; /* create directories that don't exist */ + 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_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_NO_BODY */ + 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 */ + + curl_usessl ftp_ssl; /* if AUTH TLS is to be attempted etc */ + 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 */ + 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 */ + char *str[STRING_LAST]; /* array of strings, pointing to allocated memory */ + unsigned int scope; /* address scope for IPv6 */ +}; + +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_one_easy *multi_pos; /* if non-NULL, points to the its position + in multi controlling structure to assist + in removal. */ + struct Curl_share *share; /* Share, handles global variable mutexing */ + struct SingleRequest req; /* 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. + NOTE that the 'cookie' field in the + UserDefined struct defines if the "engine" + is to be used or not. */ + 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 |