| 1 | /*
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| 2 | * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #define APPLINK_STDIN 1
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| 11 | #define APPLINK_STDOUT 2
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| 12 | #define APPLINK_STDERR 3
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| 13 | #define APPLINK_FPRINTF 4
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| 14 | #define APPLINK_FGETS 5
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| 15 | #define APPLINK_FREAD 6
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| 16 | #define APPLINK_FWRITE 7
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| 17 | #define APPLINK_FSETMOD 8
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| 18 | #define APPLINK_FEOF 9
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| 19 | #define APPLINK_FCLOSE 10 /* should not be used */
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| 20 |
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| 21 | #define APPLINK_FOPEN 11 /* solely for completeness */
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| 22 | #define APPLINK_FSEEK 12
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| 23 | #define APPLINK_FTELL 13
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| 24 | #define APPLINK_FFLUSH 14
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| 25 | #define APPLINK_FERROR 15
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| 26 | #define APPLINK_CLEARERR 16
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| 27 | #define APPLINK_FILENO 17 /* to be used with below */
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| 28 |
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| 29 | #define APPLINK_OPEN 18 /* formally can't be used, as flags can vary */
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| 30 | #define APPLINK_READ 19
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| 31 | #define APPLINK_WRITE 20
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| 32 | #define APPLINK_LSEEK 21
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| 33 | #define APPLINK_CLOSE 22
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| 34 | #define APPLINK_MAX 22 /* always same as last macro */
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| 35 |
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| 36 | #ifndef APPMACROS_ONLY
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| 37 | # include <stdio.h>
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| 38 | # include <io.h>
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| 39 | # include <fcntl.h>
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| 40 |
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| 41 | static void *app_stdin(void)
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| 42 | {
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| 43 | return stdin;
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| 44 | }
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| 45 |
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| 46 | static void *app_stdout(void)
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| 47 | {
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| 48 | return stdout;
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| 49 | }
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| 50 |
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| 51 | static void *app_stderr(void)
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| 52 | {
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| 53 | return stderr;
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| 54 | }
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| 55 |
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| 56 | static int app_feof(FILE *fp)
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| 57 | {
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| 58 | return feof(fp);
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| 59 | }
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| 60 |
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| 61 | static int app_ferror(FILE *fp)
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| 62 | {
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| 63 | return ferror(fp);
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| 64 | }
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| 65 |
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| 66 | static void app_clearerr(FILE *fp)
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| 67 | {
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| 68 | clearerr(fp);
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| 69 | }
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| 70 |
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| 71 | static int app_fileno(FILE *fp)
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| 72 | {
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| 73 | return _fileno(fp);
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| 74 | }
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| 75 |
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| 76 | static int app_fsetmod(FILE *fp, char mod)
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| 77 | {
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| 78 | return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT);
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| 79 | }
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| 80 |
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| 81 | #ifdef __cplusplus
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| 82 | extern "C" {
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| 83 | #endif
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| 84 |
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| 85 | __declspec(dllexport)
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| 86 | void **
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| 87 | # if defined(__BORLANDC__)
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| 88 | /*
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| 89 | * __stdcall appears to be the only way to get the name
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| 90 | * decoration right with Borland C. Otherwise it works
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| 91 | * purely incidentally, as we pass no parameters.
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| 92 | */
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| 93 | __stdcall
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| 94 | # else
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| 95 | __cdecl
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| 96 | # endif
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| 97 | OPENSSL_Applink(void)
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| 98 | {
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| 99 | static int once = 1;
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| 100 | static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] =
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| 101 | { (void *)APPLINK_MAX };
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| 102 |
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| 103 | if (once) {
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| 104 | OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin;
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| 105 | OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout;
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| 106 | OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr;
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| 107 | OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf;
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| 108 | OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets;
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| 109 | OPENSSL_ApplinkTable[APPLINK_FREAD] = fread;
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| 110 | OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite;
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| 111 | OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod;
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| 112 | OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof;
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| 113 | OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose;
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| 114 |
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| 115 | OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen;
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| 116 | OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek;
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| 117 | OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell;
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| 118 | OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush;
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| 119 | OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror;
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| 120 | OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr;
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| 121 | OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno;
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| 122 |
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| 123 | OPENSSL_ApplinkTable[APPLINK_OPEN] = _open;
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| 124 | OPENSSL_ApplinkTable[APPLINK_READ] = _read;
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| 125 | OPENSSL_ApplinkTable[APPLINK_WRITE] = _write;
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| 126 | OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek;
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| 127 | OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close;
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| 128 |
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| 129 | once = 0;
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| 130 | }
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| 131 |
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| 132 | return OPENSSL_ApplinkTable;
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| 133 | }
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| 134 |
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| 135 | #ifdef __cplusplus
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| 136 | }
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| 137 | #endif
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| 138 | #endif
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