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curl.h
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curl.h
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#ifndef __CURL_CURL_H
#define __CURL_CURL_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2015, 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.
*
***************************************************************************/
/*
* If you have libcurl problems, all docs and details are found here:
* http://curl.haxx.se/libcurl/
*
* curl-library mailing list subscription and unsubscription web interface:
* http://cool.haxx.se/mailman/listinfo/curl-library/
*/
#include "curlver.h" /* libcurl version defines */
#include "curlbuild.h" /* libcurl build definitions */
#include "curlrules.h" /* libcurl rules enforcement */
/*
* Define WIN32 when build target is Win32 API
*/
#if (defined(_WIN32) || defined(__WIN32__)) && \
!defined(WIN32) && !defined(__SYMBIAN32__)
#define WIN32
#endif
#include <stdio.h>
#include <limits.h>
#if defined(__FreeBSD__) && (__FreeBSD__ >= 2)
/* Needed for __FreeBSD_version symbol definition */
#include <osreldate.h>
#endif
/* The include stuff here below is mainly for time_t! */
#include <sys/types.h>
#include <time.h>
#if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || defined(__LWIP_OPT_H__))
/* The check above prevents the winsock2 inclusion if winsock.h already was
included, since they can't co-exist without problems */
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
libc5-based Linux systems. Only include it on systems that are known to
require it! */
#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
(defined(__FreeBSD_version) && (__FreeBSD_version < 800000))
#include <sys/select.h>
#endif
#if !defined(WIN32) && !defined(_WIN32_WCE)
#include <sys/socket.h>
#endif
#if !defined(WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
#include <sys/time.h>
#endif
#ifdef __BEOS__
#include <support/SupportDefs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef void CURL;
/*
* libcurl external API function linkage decorations.
*/
#ifdef CURL_STATICLIB
# define CURL_EXTERN
#elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
# if defined(BUILDING_LIBCURL)
# define CURL_EXTERN __declspec(dllexport)
# else
# define CURL_EXTERN __declspec(dllimport)
# endif
#elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
# define CURL_EXTERN CURL_EXTERN_SYMBOL
#else
# define CURL_EXTERN
#endif
#ifndef curl_socket_typedef
/* socket typedef */
#if defined(WIN32) && !defined(__LWIP_OPT_H__)
typedef SOCKET curl_socket_t;
#define CURL_SOCKET_BAD INVALID_SOCKET
#else
typedef int curl_socket_t;
#define CURL_SOCKET_BAD -1
#endif
#define curl_socket_typedef
#endif /* curl_socket_typedef */
struct curl_httppost {
struct curl_httppost *next; /* next entry in the list */
char *name; /* pointer to allocated name */
long namelength; /* length of name length */
char *contents; /* pointer to allocated data contents */
long contentslength; /* length of contents field */
char *buffer; /* pointer to allocated buffer contents */
long bufferlength; /* length of buffer field */
char *contenttype; /* Content-Type */
struct curl_slist* contentheader; /* list of extra headers for this form */
struct curl_httppost *more; /* if one field name has more than one
file, this link should link to following
files */
long flags; /* as defined below */
#define HTTPPOST_FILENAME (1<<0) /* specified content is a file name */
#define HTTPPOST_READFILE (1<<1) /* specified content is a file name */
#define HTTPPOST_PTRNAME (1<<2) /* name is only stored pointer
do not free in formfree */
#define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
do not free in formfree */
#define HTTPPOST_BUFFER (1<<4) /* upload file from buffer */
#define HTTPPOST_PTRBUFFER (1<<5) /* upload file from pointer contents */
#define HTTPPOST_CALLBACK (1<<6) /* upload file contents by using the
regular read callback to get the data
and pass the given pointer as custom
pointer */
char *showfilename; /* The file name to show. If not set, the
actual file name will be used (if this
is a file part) */
void *userp; /* custom pointer used for
HTTPPOST_CALLBACK posts */
};
/* This is the CURLOPT_PROGRESSFUNCTION callback proto. It is now considered
deprecated but was the only choice up until 7.31.0 */
typedef int (*curl_progress_callback)(void *clientp,
double dltotal,
double dlnow,
double ultotal,
double ulnow);
/* This is the CURLOPT_XFERINFOFUNCTION callback proto. It was introduced in
7.32.0, it avoids floating point and provides more detailed information. */
typedef int (*curl_xferinfo_callback)(void *clientp,
curl_off_t dltotal,
curl_off_t dlnow,
curl_off_t ultotal,
curl_off_t ulnow);
#ifndef CURL_MAX_WRITE_SIZE
/* Tests have proven that 20K is a very bad buffer size for uploads on
Windows, while 16K for some odd reason performed a lot better.
We do the ifndef check to allow this value to easier be changed at build
time for those who feel adventurous. The practical minimum is about
400 bytes since libcurl uses a buffer of this size as a scratch area
(unrelated to network send operations). */
#define CURL_MAX_WRITE_SIZE 16384
#endif
#ifndef CURL_MAX_HTTP_HEADER
/* The only reason to have a max limit for this is to avoid the risk of a bad
server feeding libcurl with a never-ending header that will cause reallocs
infinitely */
#define CURL_MAX_HTTP_HEADER (100*1024)
#endif
/* This is a magic return code for the write callback that, when returned,
will signal libcurl to pause receiving on the current transfer. */
#define CURL_WRITEFUNC_PAUSE 0x10000001
typedef size_t (*curl_write_callback)(char *buffer,
size_t size,
size_t nitems,
void *outstream);
/* enumeration of file types */
typedef enum {
CURLFILETYPE_FILE = 0,
CURLFILETYPE_DIRECTORY,
CURLFILETYPE_SYMLINK,
CURLFILETYPE_DEVICE_BLOCK,
CURLFILETYPE_DEVICE_CHAR,
CURLFILETYPE_NAMEDPIPE,
CURLFILETYPE_SOCKET,
CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
CURLFILETYPE_UNKNOWN /* should never occur */
} curlfiletype;
#define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
#define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
#define CURLFINFOFLAG_KNOWN_TIME (1<<2)
#define CURLFINFOFLAG_KNOWN_PERM (1<<3)
#define CURLFINFOFLAG_KNOWN_UID (1<<4)
#define CURLFINFOFLAG_KNOWN_GID (1<<5)
#define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
#define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
/* Content of this structure depends on information which is known and is
achievable (e.g. by FTP LIST parsing). Please see the url_easy_setopt(3) man
page for callbacks returning this structure -- some fields are mandatory,
some others are optional. The FLAG field has special meaning. */
struct curl_fileinfo {
char *filename;
curlfiletype filetype;
time_t time;
unsigned int perm;
int uid;
int gid;
curl_off_t size;
long int hardlinks;
struct {
/* If some of these fields is not NULL, it is a pointer to b_data. */
char *time;
char *perm;
char *user;
char *group;
char *target; /* pointer to the target filename of a symlink */
} strings;
unsigned int flags;
/* used internally */
char * b_data;
size_t b_size;
size_t b_used;
};
/* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
#define CURL_CHUNK_BGN_FUNC_OK 0
#define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
#define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
/* if splitting of data transfer is enabled, this callback is called before
download of an individual chunk started. Note that parameter "remains" works
only for FTP wildcard downloading (for now), otherwise is not used */
typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
void *ptr,
int remains);
/* return codes for CURLOPT_CHUNK_END_FUNCTION */
#define CURL_CHUNK_END_FUNC_OK 0
#define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
/* If splitting of data transfer is enabled this callback is called after
download of an individual chunk finished.
Note! After this callback was set then it have to be called FOR ALL chunks.
Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
This is the reason why we don't need "transfer_info" parameter in this
callback and we are not interested in "remains" parameter too. */
typedef long (*curl_chunk_end_callback)(void *ptr);
/* return codes for FNMATCHFUNCTION */
#define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
#define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
#define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
/* callback type for wildcard downloading pattern matching. If the
string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
typedef int (*curl_fnmatch_callback)(void *ptr,
const char *pattern,
const char *string);
/* These are the return codes for the seek callbacks */
#define CURL_SEEKFUNC_OK 0
#define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
#define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
libcurl might try other means instead */
typedef int (*curl_seek_callback)(void *instream,
curl_off_t offset,
int origin); /* 'whence' */
/* This is a return code for the read callback that, when returned, will
signal libcurl to immediately abort the current transfer. */
#define CURL_READFUNC_ABORT 0x10000000
/* This is a return code for the read callback that, when returned, will
signal libcurl to pause sending data on the current transfer. */
#define CURL_READFUNC_PAUSE 0x10000001
typedef size_t (*curl_read_callback)(char *buffer,
size_t size,
size_t nitems,
void *instream);
typedef enum {
CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
CURLSOCKTYPE_LAST /* never use */
} curlsocktype;
/* The return code from the sockopt_callback can signal information back
to libcurl: */
#define CURL_SOCKOPT_OK 0
#define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
CURLE_ABORTED_BY_CALLBACK */
#define CURL_SOCKOPT_ALREADY_CONNECTED 2
typedef int (*curl_sockopt_callback)(void *clientp,
curl_socket_t curlfd,
curlsocktype purpose);
struct curl_sockaddr {
int family;
int socktype;
int protocol;
unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
turned really ugly and painful on the systems that
lack this type */
struct sockaddr addr;
};
typedef curl_socket_t
(*curl_opensocket_callback)(void *clientp,
curlsocktype purpose,
struct curl_sockaddr *address);
typedef int
(*curl_closesocket_callback)(void *clientp, curl_socket_t item);
typedef enum {
CURLIOE_OK, /* I/O operation successful */
CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
CURLIOE_FAILRESTART, /* failed to restart the read */
CURLIOE_LAST /* never use */
} curlioerr;
typedef enum {
CURLIOCMD_NOP, /* no operation */
CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
CURLIOCMD_LAST /* never use */
} curliocmd;
typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
int cmd,
void *clientp);
/*
* The following typedef's are signatures of malloc, free, realloc, strdup and
* calloc respectively. Function pointers of these types can be passed to the
* curl_global_init_mem() function to set user defined memory management
* callback routines.
*/
typedef void *(*curl_malloc_callback)(size_t size);
typedef void (*curl_free_callback)(void *ptr);
typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
typedef char *(*curl_strdup_callback)(const char *str);
typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
/* the kind of data that is passed to information_callback*/
typedef enum {
CURLINFO_TEXT = 0,
CURLINFO_HEADER_IN, /* 1 */
CURLINFO_HEADER_OUT, /* 2 */
CURLINFO_DATA_IN, /* 3 */
CURLINFO_DATA_OUT, /* 4 */
CURLINFO_SSL_DATA_IN, /* 5 */
CURLINFO_SSL_DATA_OUT, /* 6 */
CURLINFO_END
} curl_infotype;
typedef int (*curl_debug_callback)
(CURL *handle, /* the handle/transfer this concerns */
curl_infotype type, /* what kind of data */
char *data, /* points to the data */
size_t size, /* size of the data pointed to */
void *userptr); /* whatever the user please */
/* All possible error codes from all sorts of curl functions. Future versions
may return other values, stay prepared.
Always add new return codes last. Never *EVER* remove any. The return
codes must remain the same!
*/
typedef enum {
CURLE_OK = 0,
CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
CURLE_FAILED_INIT, /* 2 */
CURLE_URL_MALFORMAT, /* 3 */
CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
7.17.0, reused in April 2011 for 7.21.5] */
CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
CURLE_COULDNT_RESOLVE_HOST, /* 6 */
CURLE_COULDNT_CONNECT, /* 7 */
CURLE_FTP_WEIRD_SERVER_REPLY, /* 8 */
CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
due to lack of access - when login fails
this is not returned. */
CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
7.15.4, reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
[was obsoleted in August 2007 for 7.17.0,
reused in Dec 2011 for 7.24.0]*/
CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
CURLE_FTP_CANT_GET_HOST, /* 15 */
CURLE_HTTP2, /* 16 - A problem in the http2 framing layer.
[was obsoleted in August 2007 for 7.17.0,
reused in July 2014 for 7.38.0] */
CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
CURLE_PARTIAL_FILE, /* 18 */
CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
CURLE_OBSOLETE20, /* 20 - NOT USED */
CURLE_QUOTE_ERROR, /* 21 - quote command failure */
CURLE_HTTP_RETURNED_ERROR, /* 22 */
CURLE_WRITE_ERROR, /* 23 */
CURLE_OBSOLETE24, /* 24 - NOT USED */
CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
CURLE_OUT_OF_MEMORY, /* 27 */
/* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
instead of a memory allocation error if CURL_DOES_CONVERSIONS
is defined
*/
CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
CURLE_OBSOLETE29, /* 29 - NOT USED */
CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
CURLE_OBSOLETE32, /* 32 - NOT USED */
CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
CURLE_HTTP_POST_ERROR, /* 34 */
CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
CURLE_FILE_COULDNT_READ_FILE, /* 37 */
CURLE_LDAP_CANNOT_BIND, /* 38 */
CURLE_LDAP_SEARCH_FAILED, /* 39 */
CURLE_OBSOLETE40, /* 40 - NOT USED */
CURLE_FUNCTION_NOT_FOUND, /* 41 */
CURLE_ABORTED_BY_CALLBACK, /* 42 */
CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
CURLE_OBSOLETE44, /* 44 - NOT USED */
CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
CURLE_OBSOLETE46, /* 46 - NOT USED */
CURLE_TOO_MANY_REDIRECTS , /* 47 - catch endless re-direct loops */
CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
CURLE_TELNET_OPTION_SYNTAX , /* 49 - Malformed telnet option */
CURLE_OBSOLETE50, /* 50 - NOT USED */
CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
wasn't verified fine */
CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
default */
CURLE_SEND_ERROR, /* 55 - failed sending network data */
CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
CURLE_OBSOLETE57, /* 57 - NOT IN USE */
CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
CURLE_SSL_CACERT, /* 60 - problem with the CA cert (path?) */
CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
that failed */
CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
accepted and we failed to login */
CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
CURLE_TFTP_PERM, /* 69 - permission problem on server */
CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
CURLE_CONV_FAILED, /* 75 - conversion failed */
CURLE_CONV_REQD, /* 76 - caller must register conversion
callbacks using curl_easy_setopt options
CURLOPT_CONV_FROM_NETWORK_FUNCTION,
CURLOPT_CONV_TO_NETWORK_FUNCTION, and
CURLOPT_CONV_FROM_UTF8_FUNCTION */
CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
or wrong format */
CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
CURLE_SSH, /* 79 - error from the SSH layer, somewhat
generic so the error message will be of
interest when this has happened */
CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
connection */
CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
wait till it's ready and try again (Added
in 7.18.2) */
CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
wrong format (Added in 7.19.0) */
CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
7.19.0) */
CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
session will be queued */
CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
match */
CURLE_SSL_INVALIDCERTSTATUS, /* 91 - invalid certificate status */
CURL_LAST /* never use! */
} CURLcode;
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
/* Previously obsolete error code re-used in 7.38.0 */
#define CURLE_OBSOLETE16 CURLE_HTTP2
/* Previously obsolete error codes re-used in 7.24.0 */
#define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
#define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
/* compatibility with older names */
#define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
/* The following were added in 7.21.5, April 2011 */
#define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
/* The following were added in 7.17.1 */
/* These are scheduled to disappear by 2009 */
#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
/* The following were added in 7.17.0 */
/* These are scheduled to disappear by 2009 */
#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
#define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
/* The following were added earlier */
#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
/* This was the error code 50 in 7.7.3 and a few earlier versions, this
is no longer used by libcurl but is instead #defined here only to not
make programs break */
#define CURLE_ALREADY_COMPLETE 99999
/* Provide defines for really old option names */
#define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
#define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
#define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
/* Since long deprecated options with no code in the lib that does anything
with them. */
#define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
#define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
#endif /*!CURL_NO_OLDIES*/
/* This prototype applies to all conversion callbacks */
typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
void *ssl_ctx, /* actually an
OpenSSL SSL_CTX */
void *userptr);
typedef enum {
CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
CONNECT HTTP/1.1 */
CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
HTTP/1.0 */
CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
in 7.10 */
CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
host name rather than the IP address. added
in 7.18.0 */
} curl_proxytype; /* this enum was added in 7.10 */
/*
* Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
*
* CURLAUTH_NONE - No HTTP authentication
* CURLAUTH_BASIC - HTTP Basic authentication (default)
* CURLAUTH_DIGEST - HTTP Digest authentication
* CURLAUTH_NEGOTIATE - HTTP Negotiate (SPNEGO) authentication
* CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
* CURLAUTH_NTLM - HTTP NTLM authentication
* CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
* CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
* CURLAUTH_ONLY - Use together with a single other type to force no
* authentication or just that single type
* CURLAUTH_ANY - All fine types set
* CURLAUTH_ANYSAFE - All fine types except Basic
*/
#define CURLAUTH_NONE ((unsigned long)0)
#define CURLAUTH_BASIC (((unsigned long)1)<<0)
#define CURLAUTH_DIGEST (((unsigned long)1)<<1)
#define CURLAUTH_NEGOTIATE (((unsigned long)1)<<2)
/* Deprecated since the advent of CURLAUTH_NEGOTIATE */
#define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
#define CURLAUTH_NTLM (((unsigned long)1)<<3)
#define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
#define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
#define CURLAUTH_ONLY (((unsigned long)1)<<31)
#define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
#define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
#define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
#define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
#define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
#define CURLSSH_AUTH_HOST (1<<2) /* host key files */
#define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
#define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
#define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
#define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
#define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
#define CURL_ERROR_SIZE 256
enum curl_khtype {
CURLKHTYPE_UNKNOWN,
CURLKHTYPE_RSA1,
CURLKHTYPE_RSA,
CURLKHTYPE_DSS
};
struct curl_khkey {
const char *key; /* points to a zero-terminated string encoded with base64
if len is zero, otherwise to the "raw" data */
size_t len;
enum curl_khtype keytype;
};
/* this is the set of return values expected from the curl_sshkeycallback
callback */
enum curl_khstat {
CURLKHSTAT_FINE_ADD_TO_FILE,
CURLKHSTAT_FINE,
CURLKHSTAT_REJECT, /* reject the connection, return an error */
CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
this causes a CURLE_DEFER error but otherwise the
connection will be left intact etc */
CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
};
/* this is the set of status codes pass in to the callback */
enum curl_khmatch {
CURLKHMATCH_OK, /* match */
CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
CURLKHMATCH_MISSING, /* no matching host/key found */
CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
};
typedef int
(*curl_sshkeycallback) (CURL *easy, /* easy handle */
const struct curl_khkey *knownkey, /* known */
const struct curl_khkey *foundkey, /* found */
enum curl_khmatch, /* libcurl's view on the keys */
void *clientp); /* custom pointer passed from app */
/* parameter for the CURLOPT_USE_SSL option */
typedef enum {
CURLUSESSL_NONE, /* do not attempt to use SSL */
CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
CURLUSESSL_ALL, /* SSL for all communication or fail */
CURLUSESSL_LAST /* not an option, never use */
} curl_usessl;
/* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
/* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
name of improving interoperability with older servers. Some SSL libraries
have introduced work-arounds for this flaw but those work-arounds sometimes
make the SSL communication fail. To regain functionality with those broken
servers, a user can this way allow the vulnerability back. */
#define CURLSSLOPT_ALLOW_BEAST (1<<0)
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
the obsolete stuff removed! */
/* Backwards compatibility with older names */
/* These are scheduled to disappear by 2009 */
#define CURLFTPSSL_NONE CURLUSESSL_NONE
#define CURLFTPSSL_TRY CURLUSESSL_TRY
#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
#define CURLFTPSSL_ALL CURLUSESSL_ALL
#define CURLFTPSSL_LAST CURLUSESSL_LAST
#define curl_ftpssl curl_usessl
#endif /*!CURL_NO_OLDIES*/
/* parameter for the CURLOPT_FTP_SSL_CCC option */
typedef enum {
CURLFTPSSL_CCC_NONE, /* do not send CCC */
CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
CURLFTPSSL_CCC_LAST /* not an option, never use */
} curl_ftpccc;
/* parameter for the CURLOPT_FTPSSLAUTH option */
typedef enum {
CURLFTPAUTH_DEFAULT, /* let libcurl decide */
CURLFTPAUTH_SSL, /* use "AUTH SSL" */
CURLFTPAUTH_TLS, /* use "AUTH TLS" */
CURLFTPAUTH_LAST /* not an option, never use */
} curl_ftpauth;
/* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
typedef enum {
CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
again if MKD succeeded, for SFTP this does
similar magic */
CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
again even if MKD failed! */
CURLFTP_CREATE_DIR_LAST /* not an option, never use */
} curl_ftpcreatedir;
/* parameter for the CURLOPT_FTP_FILEMETHOD option */
typedef enum {
CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
CURLFTPMETHOD_NOCWD, /* no CWD at all */
CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
CURLFTPMETHOD_LAST /* not an option, never use */
} curl_ftpmethod;
/* bitmask defines for CURLOPT_HEADEROPT */
#define CURLHEADER_UNIFIED 0
#define CURLHEADER_SEPARATE (1<<0)
/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
#define CURLPROTO_HTTP (1<<0)
#define CURLPROTO_HTTPS (1<<1)
#define CURLPROTO_FTP (1<<2)
#define CURLPROTO_FTPS (1<<3)
#define CURLPROTO_SCP (1<<4)
#define CURLPROTO_SFTP (1<<5)
#define CURLPROTO_TELNET (1<<6)
#define CURLPROTO_LDAP (1<<7)
#define CURLPROTO_LDAPS (1<<8)
#define CURLPROTO_DICT (1<<9)
#define CURLPROTO_FILE (1<<10)
#define CURLPROTO_TFTP (1<<11)
#define CURLPROTO_IMAP (1<<12)
#define CURLPROTO_IMAPS (1<<13)
#define CURLPROTO_POP3 (1<<14)
#define CURLPROTO_POP3S (1<<15)
#define CURLPROTO_SMTP (1<<16)
#define CURLPROTO_SMTPS (1<<17)
#define CURLPROTO_RTSP (1<<18)
#define CURLPROTO_RTMP (1<<19)
#define CURLPROTO_RTMPT (1<<20)
#define CURLPROTO_RTMPE (1<<21)
#define CURLPROTO_RTMPTE (1<<22)
#define CURLPROTO_RTMPS (1<<23)
#define CURLPROTO_RTMPTS (1<<24)
#define CURLPROTO_GOPHER (1<<25)
#define CURLPROTO_SMB (1<<26)
#define CURLPROTO_SMBS (1<<27)
#define CURLPROTO_ALL (~0) /* enable everything */
/* long may be 32 or 64 bits, but we should never depend on anything else
but 32 */
#define CURLOPTTYPE_LONG 0
#define CURLOPTTYPE_OBJECTPOINT 10000
#define CURLOPTTYPE_FUNCTIONPOINT 20000
#define CURLOPTTYPE_OFF_T 30000
/* name is uppercase CURLOPT_<name>,
type is one of the defined CURLOPTTYPE_<type>
number is unique identifier */
#ifdef CINIT
#undef CINIT
#endif
#ifdef CURL_ISOCPP
#define CINIT(na,t,nu) CURLOPT_ ## na = CURLOPTTYPE_ ## t + nu
#else
/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
#define LONG CURLOPTTYPE_LONG
#define OBJECTPOINT CURLOPTTYPE_OBJECTPOINT
#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
#define OFF_T CURLOPTTYPE_OFF_T
#define CINIT(name,type,number) CURLOPT_/**/name = type + number
#endif
/*
* This macro-mania below setups the CURLOPT_[what] enum, to be used with
* curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
* word.
*/
typedef enum {
/* This is the FILE * or void * the regular output should be written to. */
CINIT(WRITEDATA, OBJECTPOINT, 1),
/* The full URL to get/put */
CINIT(URL, OBJECTPOINT, 2),
/* Port number to connect to, if other than default. */
CINIT(PORT, LONG, 3),
/* Name of proxy to use. */
CINIT(PROXY, OBJECTPOINT, 4),
/* "user:password;options" to use when fetching. */
CINIT(USERPWD, OBJECTPOINT, 5),
/* "user:password" to use with proxy. */
CINIT(PROXYUSERPWD, OBJECTPOINT, 6),
/* Range to get, specified as an ASCII string. */
CINIT(RANGE, OBJECTPOINT, 7),
/* not used */
/* Specified file stream to upload from (use as input): */
CINIT(READDATA, OBJECTPOINT, 9),
/* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
* bytes big. If this is not used, error messages go to stderr instead: */
CINIT(ERRORBUFFER, OBJECTPOINT, 10),
/* Function that will be called to store the output (instead of fwrite). The
* parameters will use fwrite() syntax, make sure to follow them. */
CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
/* Function that will be called to read the input (instead of fread). The
* parameters will use fread() syntax, make sure to follow them. */
CINIT(READFUNCTION, FUNCTIONPOINT, 12),
/* Time-out the read operation after this amount of seconds */
CINIT(TIMEOUT, LONG, 13),
/* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
* how large the file being sent really is. That allows better error
* checking and better verifies that the upload was successful. -1 means
* unknown size.
*
* For large file support, there is also a _LARGE version of the key
* which takes an off_t type, allowing platforms with larger off_t
* sizes to handle larger files. See below for INFILESIZE_LARGE.
*/
CINIT(INFILESIZE, LONG, 14),
/* POST static input fields. */
CINIT(POSTFIELDS, OBJECTPOINT, 15),
/* Set the referrer page (needed by some CGIs) */
CINIT(REFERER, OBJECTPOINT, 16),
/* Set the FTP PORT string (interface name, named or numerical IP address)
Use i.e '-' to use default address. */
CINIT(FTPPORT, OBJECTPOINT, 17),
/* Set the User-Agent string (examined by some CGIs) */
CINIT(USERAGENT, OBJECTPOINT, 18),
/* If the download receives less than "low speed limit" bytes/second
* during "low speed time" seconds, the operations is aborted.
* You could i.e if you have a pretty high speed connection, abort if
* it is less than 2000 bytes/sec during 20 seconds.
*/
/* Set the "low speed limit" */
CINIT(LOW_SPEED_LIMIT, LONG, 19),
/* Set the "low speed time" */
CINIT(LOW_SPEED_TIME, LONG, 20),
/* Set the continuation offset.
*
* Note there is also a _LARGE version of this key which uses
* off_t types, allowing for large file offsets on platforms which
* use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
*/
CINIT(RESUME_FROM, LONG, 21),
/* Set cookie in request: */
CINIT(COOKIE, OBJECTPOINT, 22),
/* This points to a linked list of headers, struct curl_slist kind. This
list is also used for RTSP (in spite of its name) */
CINIT(HTTPHEADER, OBJECTPOINT, 23),
/* This points to a linked list of post entries, struct curl_httppost */
CINIT(HTTPPOST, OBJECTPOINT, 24),
/* name of the file keeping your private SSL-certificate */
CINIT(SSLCERT, OBJECTPOINT, 25),
/* password for the SSL or SSH private key */
CINIT(KEYPASSWD, OBJECTPOINT, 26),
/* send TYPE parameter? */
CINIT(CRLF, LONG, 27),
/* send linked-list of QUOTE commands */
CINIT(QUOTE, OBJECTPOINT, 28),
/* send FILE * or void * to store headers to, if you use a callback it
is simply passed to the callback unmodified */
CINIT(HEADERDATA, OBJECTPOINT, 29),
/* point to a file to read the initial cookies from, also enables
"cookie awareness" */
CINIT(COOKIEFILE, OBJECTPOINT, 31),
/* What version to specifically try to use.
See CURL_SSLVERSION defines below. */
CINIT(SSLVERSION, LONG, 32),
/* What kind of HTTP time condition to use, see defines */
CINIT(TIMECONDITION, LONG, 33),
/* Time to use with the above condition. Specified in number of seconds
since 1 Jan 1970 */
CINIT(TIMEVALUE, LONG, 34),
/* 35 = OBSOLETE */
/* Custom request, for customizing the get command like
HTTP: DELETE, TRACE and others
FTP: to use a different list command
*/
CINIT(CUSTOMREQUEST, OBJECTPOINT, 36),
/* HTTP request, for odd commands like DELETE, TRACE and others */
CINIT(STDERR, OBJECTPOINT, 37),
/* 38 is not used */
/* send linked-list of post-transfer QUOTE commands */
CINIT(POSTQUOTE, OBJECTPOINT, 39),
CINIT(OBSOLETE40, OBJECTPOINT, 40), /* OBSOLETE, do not use! */
CINIT(VERBOSE, LONG, 41), /* talk a lot */
CINIT(HEADER, LONG, 42), /* throw the header out too */
CINIT(NOPROGRESS, LONG, 43), /* shut off the progress meter */
CINIT(NOBODY, LONG, 44), /* use HEAD to get http document */
CINIT(FAILONERROR, LONG, 45), /* no output on http error codes >= 400 */
CINIT(UPLOAD, LONG, 46), /* this is an upload */
CINIT(POST, LONG, 47), /* HTTP POST method */
CINIT(DIRLISTONLY, LONG, 48), /* bare names when listing directories */
CINIT(APPEND, LONG, 50), /* Append instead of overwrite on upload! */
/* Specify whether to read the user+password from the .netrc or the URL.