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https://github.com/moparisthebest/curl
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Available in HTTP, SMTP and IMAP. Deprecates the FORM API. See CURLOPT_MIMEPOST. Lib code and associated documentation.
120 lines
5.1 KiB
C
120 lines
5.1 KiB
C
#ifndef HEADER_CURL_MIME_H
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#define HEADER_CURL_MIME_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#define MIME_RAND_BOUNDARY_CHARS 16 /* Nb. of random boundary chars. */
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/* Part flags. */
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#define MIME_USERHEADERS_OWNER (1 << 0)
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#define MIME_BODY_ONLY (1 << 1)
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/* Part source kinds. */
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enum mimekind {
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MIMEKIND_NONE = 0, /* Part not set. */
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MIMEKIND_DATA, /* Allocated mime data. */
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MIMEKIND_NAMEDFILE, /* Data from named file. */
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MIMEKIND_FILE, /* Data from file pointer. */
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MIMEKIND_CALLBACK, /* Data from `read' callback. */
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MIMEKIND_MULTIPART, /* Data is a mime subpart. */
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MIMEKIND_LAST
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};
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/* Readback state tokens. */
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enum mimestate {
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MIMESTATE_BEGIN, /* Readback has not yet started. */
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MIMESTATE_CURLHEADERS, /* In curl-generated headers. */
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MIMESTATE_USERHEADERS, /* In caller's supplied headers. */
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MIMESTATE_EOH, /* End of headers. */
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MIMESTATE_BODY, /* Placeholder. */
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MIMESTATE_BOUNDARY1, /* In boundary prefix. */
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MIMESTATE_BOUNDARY2, /* In boundary. */
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MIMESTATE_CONTENT, /* In content. */
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MIMESTATE_END, /* End of part reached. */
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MIMESTATE_LAST
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};
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/* Mime headers strategies. */
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enum mimestrategy {
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MIMESTRATEGY_MAIL, /* Mime mail. */
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MIMESTRATEGY_FORM, /* HTTP post form. */
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MIMESTRATEGY_LAST
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};
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/* Mime readback state. */
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struct mime_state {
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enum mimestate state; /* Current state token. */
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void * ptr; /* State-dependent pointer. */
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size_t offset; /* State-dependent offset. */
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};
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/* A mime context. */
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struct Curl_mime {
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struct Curl_easy * easy; /* The associated easy handle. */
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struct Curl_mimepart * parent; /* Parent part. */
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struct Curl_mimepart * firstpart; /* First part. */
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struct Curl_mimepart * lastpart; /* Last part. */
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char * boundary; /* The part boundary. */
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struct mime_state state; /* Current readback state. */
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};
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/* A mime part. */
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struct Curl_mimepart {
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struct Curl_easy * easy; /* The associated easy handle. */
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struct Curl_mime * parent; /* Parent mime structure. */
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struct Curl_mimepart * nextpart; /* Forward linked list. */
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enum mimekind kind; /* The part kind. */
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char * data; /* Memory data or file name. */
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curl_read_callback readfunc; /* Read function. */
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curl_seek_callback seekfunc; /* Seek function. */
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curl_free_callback freefunc; /* Argument free function. */
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void * arg; /* Argument to callback functions. */
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FILE * namedfp; /* Named file pointer. */
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struct curl_slist * curlheaders; /* Part headers. */
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struct curl_slist * userheaders; /* Part headers. */
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char * mimetype; /* Part mime type. */
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char * filename; /* Remote file name. */
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char * name; /* Data name. */
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size_t namesize; /* Data name size. */
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curl_off_t origin; /* Origin file offset. */
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curl_off_t datasize; /* Expected data size. */
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unsigned int flags; /* Flags. */
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struct mime_state state; /* Current readback state. */
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};
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/* Prototypes. */
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void Curl_mime_initpart(struct Curl_mimepart *part, struct Curl_easy *easy);
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void Curl_mime_cleanpart(struct Curl_mimepart *part);
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CURLcode Curl_mime_prepare_headers(struct Curl_mimepart *part,
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const char *contenttype,
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const char *disposition,
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enum mimestrategy strategy);
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curl_off_t Curl_mime_size(struct Curl_mimepart *part);
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size_t Curl_mime_read(char *buffer, size_t size, size_t nitems,
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void *instream);
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CURLcode Curl_mime_rewind(struct Curl_mimepart *part);
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CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...);
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CURLcode Curl_mime_file(curl_mimepart *part, FILE *fp, int closewhendone);
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#endif /* HEADER_CURL_MIME_H */
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