Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/lib/http_chunks.h @ 7:5ab937c03c27

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Apply full RELRO to all generated binaries. Also strip the generated binaries.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef HEADER_CURL_HTTP_CHUNKS_H
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2 #define HEADER_CURL_HTTP_CHUNKS_H
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3 /***************************************************************************
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4 * _ _ ____ _
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5 * Project ___| | | | _ \| |
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6 * / __| | | | |_) | |
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7 * | (__| |_| | _ <| |___
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8 * \___|\___/|_| \_\_____|
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9 *
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10 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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11 *
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12 * This software is licensed as described in the file COPYING, which
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13 * you should have received as part of this distribution. The terms
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14 * are also available at https://curl.haxx.se/docs/copyright.html.
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15 *
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16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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17 * copies of the Software, and permit persons to whom the Software is
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18 * furnished to do so, under the terms of the COPYING file.
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19 *
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20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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21 * KIND, either express or implied.
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22 *
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23 ***************************************************************************/
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24 /*
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25 * The longest possible hexadecimal number we support in a chunked transfer.
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26 * Weird enough, RFC2616 doesn't set a maximum size! Since we use strtoul()
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27 * to convert it, we "only" support 2^32 bytes chunk data.
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28 */
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29 #define MAXNUM_SIZE 16
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31 typedef enum {
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32 /* await and buffer all hexadecimal digits until we get one that isn't a
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33 hexadecimal digit. When done, we go CHUNK_LF */
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34 CHUNK_HEX,
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35
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36 /* wait for LF, ignore all else */
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37 CHUNK_LF,
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38
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39 /* We eat the amount of data specified. When done, we move on to the
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40 POST_CR state. */
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41 CHUNK_DATA,
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42
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43 /* POSTLF should get a CR and then a LF and nothing else, then move back to
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44 HEX as the CRLF combination marks the end of a chunk. A missing CR is no
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45 big deal. */
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46 CHUNK_POSTLF,
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47
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48 /* Used to mark that we're out of the game. NOTE: that there's a 'dataleft'
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49 field in the struct that will tell how many bytes that were not passed to
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50 the client in the end of the last buffer! */
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51 CHUNK_STOP,
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52
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53 /* At this point optional trailer headers can be found, unless the next line
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54 is CRLF */
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55 CHUNK_TRAILER,
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56
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57 /* A trailer CR has been found - next state is CHUNK_TRAILER_POSTCR.
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58 Next char must be a LF */
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59 CHUNK_TRAILER_CR,
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60
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61 /* A trailer LF must be found now, otherwise CHUNKE_BAD_CHUNK will be
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62 signalled If this is an empty trailer CHUNKE_STOP will be signalled.
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63 Otherwise the trailer will be broadcasted via Curl_client_write() and the
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64 next state will be CHUNK_TRAILER */
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65 CHUNK_TRAILER_POSTCR
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66 } ChunkyState;
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67
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68 typedef enum {
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69 CHUNKE_STOP = -1,
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70 CHUNKE_OK = 0,
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71 CHUNKE_TOO_LONG_HEX = 1,
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72 CHUNKE_ILLEGAL_HEX,
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73 CHUNKE_BAD_CHUNK,
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74 CHUNKE_WRITE_ERROR,
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75 CHUNKE_BAD_ENCODING,
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76 CHUNKE_OUT_OF_MEMORY,
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77 CHUNKE_LAST
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78 } CHUNKcode;
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79
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80 const char *Curl_chunked_strerror(CHUNKcode code);
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81
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82 struct Curl_chunker {
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83 char hexbuffer[ MAXNUM_SIZE + 1];
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84 int hexindex;
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85 ChunkyState state;
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86 curl_off_t datasize;
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87 size_t dataleft; /* untouched data amount at the end of the last buffer */
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88 };
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89
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90 #endif /* HEADER_CURL_HTTP_CHUNKS_H */