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1 /* crypto/bio/bio.h */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 #ifndef HEADER_BIO_H |
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60 #define HEADER_BIO_H |
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61 |
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62 #ifndef OPENSSL_NO_FP_API |
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63 # include <stdio.h> |
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64 #endif |
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65 #include <stdarg.h> |
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66 |
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67 #include <openssl/crypto.h> |
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68 #include <openssl/e_os2.h> |
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69 |
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70 #ifdef __cplusplus |
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71 extern "C" { |
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72 #endif |
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73 |
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74 /* These are the 'types' of BIOs */ |
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75 #define BIO_TYPE_NONE 0 |
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76 #define BIO_TYPE_MEM (1|0x0400) |
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77 #define BIO_TYPE_FILE (2|0x0400) |
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78 |
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79 #define BIO_TYPE_FD (4|0x0400|0x0100) |
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80 #define BIO_TYPE_SOCKET (5|0x0400|0x0100) |
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81 #define BIO_TYPE_NULL (6|0x0400) |
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82 #define BIO_TYPE_SSL (7|0x0200) |
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83 #define BIO_TYPE_MD (8|0x0200) /* passive filter */ |
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84 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */ |
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85 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */ |
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86 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */ |
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87 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */ |
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88 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */ |
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89 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */ |
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90 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */ |
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91 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */ |
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92 #define BIO_TYPE_NULL_FILTER (17|0x0200) |
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93 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */ |
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94 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */ |
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95 #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */ |
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96 |
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97 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ |
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98 #define BIO_TYPE_FILTER 0x0200 |
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99 #define BIO_TYPE_SOURCE_SINK 0x0400 |
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100 |
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101 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free. |
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102 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */ |
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103 #define BIO_NOCLOSE 0x00 |
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104 #define BIO_CLOSE 0x01 |
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105 |
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106 /* These are used in the following macros and are passed to |
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107 * BIO_ctrl() */ |
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108 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */ |
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109 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */ |
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110 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */ |
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111 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */ |
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112 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */ |
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113 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */ |
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114 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */ |
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115 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */ |
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116 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */ |
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117 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */ |
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118 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */ |
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119 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */ |
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120 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */ |
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121 /* callback is int cb(BIO *bio,state,ret); */ |
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122 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */ |
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123 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */ |
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124 |
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125 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */ |
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126 |
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127 /* modifiers */ |
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128 #define BIO_FP_READ 0x02 |
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129 #define BIO_FP_WRITE 0x04 |
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130 #define BIO_FP_APPEND 0x08 |
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131 #define BIO_FP_TEXT 0x10 |
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132 |
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133 #define BIO_FLAGS_READ 0x01 |
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134 #define BIO_FLAGS_WRITE 0x02 |
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135 #define BIO_FLAGS_IO_SPECIAL 0x04 |
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136 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) |
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137 #define BIO_FLAGS_SHOULD_RETRY 0x08 |
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138 |
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139 /* Used in BIO_gethostbyname() */ |
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140 #define BIO_GHBN_CTRL_HITS 1 |
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141 #define BIO_GHBN_CTRL_MISSES 2 |
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142 #define BIO_GHBN_CTRL_CACHE_SIZE 3 |
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143 #define BIO_GHBN_CTRL_GET_ENTRY 4 |
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144 #define BIO_GHBN_CTRL_FLUSH 5 |
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145 |
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146 /* Mostly used in the SSL BIO */ |
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147 /* Not used anymore |
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148 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10 |
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149 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20 |
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150 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40 |
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151 */ |
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152 |
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153 #define BIO_FLAGS_BASE64_NO_NL 0x100 |
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154 |
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155 /* This is used with memory BIOs: it means we shouldn't free up or change the |
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156 * data in any way. |
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157 */ |
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158 #define BIO_FLAGS_MEM_RDONLY 0x200 |
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159 |
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160 #define BIO_set_flags(b,f) ((b)->flags|=(f)) |
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161 #define BIO_get_flags(b) ((b)->flags) |
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162 #define BIO_set_retry_special(b) \ |
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163 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) |
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164 #define BIO_set_retry_read(b) \ |
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165 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) |
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166 #define BIO_set_retry_write(b) \ |
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167 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) |
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168 |
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169 /* These are normally used internally in BIOs */ |
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170 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f)) |
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171 #define BIO_clear_retry_flags(b) \ |
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172 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) |
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173 #define BIO_get_retry_flags(b) \ |
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174 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) |
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175 |
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176 /* These should be used by the application to tell why we should retry */ |
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177 #define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ) |
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178 #define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE) |
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179 #define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL) |
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180 #define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS) |
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181 #define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY) |
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182 |
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183 /* The next three are used in conjunction with the |
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184 * BIO_should_io_special() condition. After this returns true, |
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185 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO |
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186 * stack and return the 'reason' for the special and the offending BIO. |
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187 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */ |
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188 /* Returned from the SSL bio when the certificate retrieval code had an error */ |
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189 #define BIO_RR_SSL_X509_LOOKUP 0x01 |
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190 /* Returned from the connect BIO when a connect would have blocked */ |
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191 #define BIO_RR_CONNECT 0x02 |
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192 /* Returned from the accept BIO when an accept would have blocked */ |
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193 #define BIO_RR_ACCEPT 0x03 |
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194 |
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195 /* These are passed by the BIO callback */ |
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196 #define BIO_CB_FREE 0x01 |
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197 #define BIO_CB_READ 0x02 |
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198 #define BIO_CB_WRITE 0x03 |
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199 #define BIO_CB_PUTS 0x04 |
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200 #define BIO_CB_GETS 0x05 |
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201 #define BIO_CB_CTRL 0x06 |
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202 |
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203 /* The callback is called before and after the underling operation, |
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204 * The BIO_CB_RETURN flag indicates if it is after the call */ |
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205 #define BIO_CB_RETURN 0x80 |
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206 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN)) |
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207 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) |
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208 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN) |
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209 |
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210 #define BIO_set_callback(b,cb) ((b)->callback=(cb)) |
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211 #define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg)) |
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212 #define BIO_get_callback_arg(b) ((b)->cb_arg) |
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213 #define BIO_get_callback(b) ((b)->callback) |
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214 #define BIO_method_name(b) ((b)->method->name) |
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215 #define BIO_method_type(b) ((b)->method->type) |
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216 |
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217 typedef struct bio_st BIO; |
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218 |
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219 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long); |
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220 |
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221 #ifndef OPENSSL_SYS_WIN16 |
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222 typedef struct bio_method_st |
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223 { |
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224 int type; |
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225 const char *name; |
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226 int (*bwrite)(BIO *, const char *, int); |
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227 int (*bread)(BIO *, char *, int); |
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228 int (*bputs)(BIO *, const char *); |
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229 int (*bgets)(BIO *, char *, int); |
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230 long (*ctrl)(BIO *, int, long, void *); |
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231 int (*create)(BIO *); |
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232 int (*destroy)(BIO *); |
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233 long (*callback_ctrl)(BIO *, int, bio_info_cb *); |
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234 } BIO_METHOD; |
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235 #else |
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236 typedef struct bio_method_st |
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237 { |
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238 int type; |
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239 const char *name; |
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240 int (_far *bwrite)(); |
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241 int (_far *bread)(); |
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242 int (_far *bputs)(); |
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243 int (_far *bgets)(); |
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244 long (_far *ctrl)(); |
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245 int (_far *create)(); |
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246 int (_far *destroy)(); |
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247 long (_far *callback_ctrl)(); |
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248 } BIO_METHOD; |
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249 #endif |
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250 |
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251 struct bio_st |
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252 { |
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253 BIO_METHOD *method; |
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254 /* bio, mode, argp, argi, argl, ret */ |
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255 long (*callback)(struct bio_st *,int,const char *,int, long,long); |
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256 char *cb_arg; /* first argument for the callback */ |
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257 |
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258 int init; |
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259 int shutdown; |
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260 int flags; /* extra storage */ |
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261 int retry_reason; |
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262 int num; |
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263 void *ptr; |
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264 struct bio_st *next_bio; /* used by filter BIOs */ |
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265 struct bio_st *prev_bio; /* used by filter BIOs */ |
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266 int references; |
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267 unsigned long num_read; |
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268 unsigned long num_write; |
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269 |
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270 CRYPTO_EX_DATA ex_data; |
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271 }; |
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272 |
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273 DECLARE_STACK_OF(BIO) |
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274 |
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275 typedef struct bio_f_buffer_ctx_struct |
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276 { |
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277 /* BIO *bio; */ /* this is now in the BIO struct */ |
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278 int ibuf_size; /* how big is the input buffer */ |
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279 int obuf_size; /* how big is the output buffer */ |
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280 |
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281 char *ibuf; /* the char array */ |
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282 int ibuf_len; /* how many bytes are in it */ |
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283 int ibuf_off; /* write/read offset */ |
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284 |
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285 char *obuf; /* the char array */ |
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286 int obuf_len; /* how many bytes are in it */ |
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287 int obuf_off; /* write/read offset */ |
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288 } BIO_F_BUFFER_CTX; |
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289 |
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290 /* connect BIO stuff */ |
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291 #define BIO_CONN_S_BEFORE 1 |
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292 #define BIO_CONN_S_GET_IP 2 |
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293 #define BIO_CONN_S_GET_PORT 3 |
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294 #define BIO_CONN_S_CREATE_SOCKET 4 |
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295 #define BIO_CONN_S_CONNECT 5 |
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296 #define BIO_CONN_S_OK 6 |
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297 #define BIO_CONN_S_BLOCKED_CONNECT 7 |
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298 #define BIO_CONN_S_NBIO 8 |
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299 /*#define BIO_CONN_get_param_hostname BIO_ctrl */ |
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300 |
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301 #define BIO_C_SET_CONNECT 100 |
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302 #define BIO_C_DO_STATE_MACHINE 101 |
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303 #define BIO_C_SET_NBIO 102 |
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304 #define BIO_C_SET_PROXY_PARAM 103 |
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305 #define BIO_C_SET_FD 104 |
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306 #define BIO_C_GET_FD 105 |
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307 #define BIO_C_SET_FILE_PTR 106 |
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308 #define BIO_C_GET_FILE_PTR 107 |
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309 #define BIO_C_SET_FILENAME 108 |
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310 #define BIO_C_SET_SSL 109 |
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311 #define BIO_C_GET_SSL 110 |
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312 #define BIO_C_SET_MD 111 |
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313 #define BIO_C_GET_MD 112 |
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314 #define BIO_C_GET_CIPHER_STATUS 113 |
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315 #define BIO_C_SET_BUF_MEM 114 |
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316 #define BIO_C_GET_BUF_MEM_PTR 115 |
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317 #define BIO_C_GET_BUFF_NUM_LINES 116 |
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318 #define BIO_C_SET_BUFF_SIZE 117 |
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319 #define BIO_C_SET_ACCEPT 118 |
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320 #define BIO_C_SSL_MODE 119 |
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321 #define BIO_C_GET_MD_CTX 120 |
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322 #define BIO_C_GET_PROXY_PARAM 121 |
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323 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */ |
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324 #define BIO_C_GET_CONNECT 123 |
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325 #define BIO_C_GET_ACCEPT 124 |
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326 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 |
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327 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 |
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328 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 |
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329 #define BIO_C_FILE_SEEK 128 |
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330 #define BIO_C_GET_CIPHER_CTX 129 |
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331 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/ |
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332 #define BIO_C_SET_BIND_MODE 131 |
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333 #define BIO_C_GET_BIND_MODE 132 |
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334 #define BIO_C_FILE_TELL 133 |
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335 #define BIO_C_GET_SOCKS 134 |
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336 #define BIO_C_SET_SOCKS 135 |
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337 |
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338 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ |
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339 #define BIO_C_GET_WRITE_BUF_SIZE 137 |
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340 #define BIO_C_MAKE_BIO_PAIR 138 |
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341 #define BIO_C_DESTROY_BIO_PAIR 139 |
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342 #define BIO_C_GET_WRITE_GUARANTEE 140 |
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343 #define BIO_C_GET_READ_REQUEST 141 |
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344 #define BIO_C_SHUTDOWN_WR 142 |
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345 #define BIO_C_NREAD0 143 |
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346 #define BIO_C_NREAD 144 |
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347 #define BIO_C_NWRITE0 145 |
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348 #define BIO_C_NWRITE 146 |
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349 #define BIO_C_RESET_READ_REQUEST 147 |
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350 |
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351 |
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352 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) |
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353 #define BIO_get_app_data(s) BIO_get_ex_data(s,0) |
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354 |
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355 /* BIO_s_connect() and BIO_s_socks4a_connect() */ |
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356 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name) |
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357 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port) |
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358 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip) |
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359 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port) |
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360 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0) |
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361 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1) |
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362 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2) |
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363 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3) |
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364 |
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365 |
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366 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) |
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367 |
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368 /* BIO_s_accept_socket() */ |
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369 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name) |
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370 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0) |
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371 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ |
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372 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL) |
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373 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio) |
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374 |
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375 #define BIO_BIND_NORMAL 0 |
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376 #define BIO_BIND_REUSEADDR_IF_UNUSED 1 |
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377 #define BIO_BIND_REUSEADDR 2 |
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378 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) |
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379 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) |
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380 |
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381 #define BIO_do_connect(b) BIO_do_handshake(b) |
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382 #define BIO_do_accept(b) BIO_do_handshake(b) |
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383 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) |
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384 |
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385 /* BIO_s_proxy_client() */ |
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386 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url)) |
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387 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p)) |
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388 /* BIO_set_nbio(b,n) */ |
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389 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s)) |
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390 /* BIO *BIO_get_filter_bio(BIO *bio); */ |
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391 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)())) |
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392 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk) |
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393 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool) |
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394 |
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395 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp) |
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396 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p)) |
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397 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url)) |
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398 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL) |
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399 |
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400 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) |
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401 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c) |
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402 |
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403 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp) |
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404 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp) |
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405 |
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406 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) |
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407 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) |
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408 |
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409 /* name is cast to lose const, but might be better to route through a function |
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410 so we can do it safely */ |
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411 #ifdef CONST_STRICT |
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412 /* If you are wondering why this isn't defined, its because CONST_STRICT is |
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413 * purely a compile-time kludge to allow const to be checked. |
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414 */ |
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415 int BIO_read_filename(BIO *b,const char *name); |
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416 #else |
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417 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ |
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418 BIO_CLOSE|BIO_FP_READ,(char *)name) |
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419 #endif |
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420 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ |
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421 BIO_CLOSE|BIO_FP_WRITE,name) |
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422 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ |
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423 BIO_CLOSE|BIO_FP_APPEND,name) |
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424 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ |
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425 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) |
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426 |
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427 /* WARNING WARNING, this ups the reference count on the read bio of the |
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428 * SSL structure. This is because the ssl read BIO is now pointed to by |
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429 * the next_bio field in the bio. So when you free the BIO, make sure |
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430 * you are doing a BIO_free_all() to catch the underlying BIO. */ |
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431 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl) |
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432 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp) |
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433 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) |
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434 #define BIO_set_ssl_renegotiate_bytes(b,num) \ |
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435 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL); |
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436 #define BIO_get_num_renegotiates(b) \ |
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437 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL); |
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438 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \ |
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439 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL); |
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440 |
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441 /* defined in evp.h */ |
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442 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */ |
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443 |
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444 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp) |
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445 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm) |
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446 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp) |
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447 #define BIO_set_mem_eof_return(b,v) \ |
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448 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) |
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449 |
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450 /* For the BIO_f_buffer() type */ |
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451 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) |
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452 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) |
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453 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) |
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454 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) |
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455 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) |
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456 |
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457 /* Don't use the next one unless you know what you are doing :-) */ |
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458 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) |
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459 |
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460 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) |
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461 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) |
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462 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) |
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463 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) |
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464 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) |
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465 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) |
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466 /* ...pending macros have inappropriate return type */ |
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467 size_t BIO_ctrl_pending(BIO *b); |
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468 size_t BIO_ctrl_wpending(BIO *b); |
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469 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) |
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470 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ |
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471 cbp) |
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472 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) |
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473 |
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474 /* For the BIO_f_buffer() type */ |
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475 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) |
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476 |
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477 /* For BIO_s_bio() */ |
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478 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) |
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479 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) |
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480 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) |
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481 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) |
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482 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) |
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483 /* macros with inappropriate type -- but ...pending macros use int too: */ |
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484 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) |
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485 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) |
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486 size_t BIO_ctrl_get_write_guarantee(BIO *b); |
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487 size_t BIO_ctrl_get_read_request(BIO *b); |
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488 int BIO_ctrl_reset_read_request(BIO *b); |
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489 |
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490 /* These two aren't currently implemented */ |
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491 /* int BIO_get_ex_num(BIO *bio); */ |
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492 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */ |
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493 int BIO_set_ex_data(BIO *bio,int idx,void *data); |
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494 void *BIO_get_ex_data(BIO *bio,int idx); |
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495 int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
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496 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); |
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497 unsigned long BIO_number_read(BIO *bio); |
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498 unsigned long BIO_number_written(BIO *bio); |
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499 |
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500 # ifndef OPENSSL_NO_FP_API |
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501 # if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL) |
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502 BIO_METHOD *BIO_s_file_internal(void); |
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503 BIO *BIO_new_file_internal(char *filename, char *mode); |
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504 BIO *BIO_new_fp_internal(FILE *stream, int close_flag); |
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505 # define BIO_s_file BIO_s_file_internal |
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506 # define BIO_new_file BIO_new_file_internal |
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507 # define BIO_new_fp BIO_new_fp_internal |
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508 # else /* FP_API */ |
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509 BIO_METHOD *BIO_s_file(void ); |
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510 BIO *BIO_new_file(const char *filename, const char *mode); |
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511 BIO *BIO_new_fp(FILE *stream, int close_flag); |
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512 # define BIO_s_file_internal BIO_s_file |
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513 # define BIO_new_file_internal BIO_new_file |
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514 # define BIO_new_fp_internal BIO_s_file |
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515 # endif /* FP_API */ |
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516 # endif |
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517 BIO * BIO_new(BIO_METHOD *type); |
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518 int BIO_set(BIO *a,BIO_METHOD *type); |
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519 int BIO_free(BIO *a); |
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520 void BIO_vfree(BIO *a); |
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521 int BIO_read(BIO *b, void *data, int len); |
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522 int BIO_gets(BIO *bp,char *buf, int size); |
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523 int BIO_write(BIO *b, const void *data, int len); |
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524 int BIO_puts(BIO *bp,const char *buf); |
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525 int BIO_indent(BIO *b,int indent,int max); |
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526 long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg); |
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527 long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long)); |
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528 char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg); |
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529 long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg); |
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530 BIO * BIO_push(BIO *b,BIO *append); |
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531 BIO * BIO_pop(BIO *b); |
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532 void BIO_free_all(BIO *a); |
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533 BIO * BIO_find_type(BIO *b,int bio_type); |
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534 BIO * BIO_next(BIO *b); |
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535 BIO * BIO_get_retry_BIO(BIO *bio, int *reason); |
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536 int BIO_get_retry_reason(BIO *bio); |
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537 BIO * BIO_dup_chain(BIO *in); |
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538 |
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539 int BIO_nread0(BIO *bio, char **buf); |
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540 int BIO_nread(BIO *bio, char **buf, int num); |
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541 int BIO_nwrite0(BIO *bio, char **buf); |
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542 int BIO_nwrite(BIO *bio, char **buf, int num); |
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543 |
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544 #ifndef OPENSSL_SYS_WIN16 |
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545 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, |
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546 long argl,long ret); |
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547 #else |
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548 long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, |
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549 long argl,long ret); |
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550 #endif |
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551 |
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552 BIO_METHOD *BIO_s_mem(void); |
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553 BIO *BIO_new_mem_buf(void *buf, int len); |
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554 BIO_METHOD *BIO_s_socket(void); |
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555 BIO_METHOD *BIO_s_connect(void); |
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556 BIO_METHOD *BIO_s_accept(void); |
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557 BIO_METHOD *BIO_s_fd(void); |
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558 #ifndef OPENSSL_SYS_OS2 |
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559 BIO_METHOD *BIO_s_log(void); |
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560 #endif |
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561 BIO_METHOD *BIO_s_bio(void); |
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562 BIO_METHOD *BIO_s_null(void); |
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563 BIO_METHOD *BIO_f_null(void); |
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564 BIO_METHOD *BIO_f_buffer(void); |
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565 #ifdef OPENSSL_SYS_VMS |
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566 BIO_METHOD *BIO_f_linebuffer(void); |
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567 #endif |
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568 BIO_METHOD *BIO_f_nbio_test(void); |
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569 /* BIO_METHOD *BIO_f_ber(void); */ |
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570 |
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571 int BIO_sock_should_retry(int i); |
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572 int BIO_sock_non_fatal_error(int error); |
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573 int BIO_fd_should_retry(int i); |
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574 int BIO_fd_non_fatal_error(int error); |
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575 int BIO_dump(BIO *b,const char *bytes,int len); |
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576 int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent); |
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577 |
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578 struct hostent *BIO_gethostbyname(const char *name); |
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579 /* We might want a thread-safe interface too: |
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580 * struct hostent *BIO_gethostbyname_r(const char *name, |
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581 * struct hostent *result, void *buffer, size_t buflen); |
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582 * or something similar (caller allocates a struct hostent, |
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583 * pointed to by "result", and additional buffer space for the various |
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584 * substructures; if the buffer does not suffice, NULL is returned |
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585 * and an appropriate error code is set). |
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586 */ |
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587 int BIO_sock_error(int sock); |
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588 int BIO_socket_ioctl(int fd, long type, void *arg); |
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589 int BIO_socket_nbio(int fd,int mode); |
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590 int BIO_get_port(const char *str, unsigned short *port_ptr); |
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591 int BIO_get_host_ip(const char *str, unsigned char *ip); |
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592 int BIO_get_accept_socket(char *host_port,int mode); |
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593 int BIO_accept(int sock,char **ip_port); |
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594 int BIO_sock_init(void ); |
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595 void BIO_sock_cleanup(void); |
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596 int BIO_set_tcp_ndelay(int sock,int turn_on); |
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597 |
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598 BIO *BIO_new_socket(int sock, int close_flag); |
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599 BIO *BIO_new_fd(int fd, int close_flag); |
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600 BIO *BIO_new_connect(char *host_port); |
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601 BIO *BIO_new_accept(char *host_port); |
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602 |
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603 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, |
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604 BIO **bio2, size_t writebuf2); |
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605 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. |
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606 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. |
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607 * Size 0 uses default value. |
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608 */ |
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609 |
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610 void BIO_copy_next_retry(BIO *b); |
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611 |
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612 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/ |
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613 |
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614 int BIO_printf(BIO *bio, const char *format, ...); |
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615 int BIO_vprintf(BIO *bio, const char *format, va_list args); |
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616 int BIO_snprintf(char *buf, size_t n, const char *format, ...); |
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617 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args); |
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618 |
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619 /* BEGIN ERROR CODES */ |
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620 /* The following lines are auto generated by the script mkerr.pl. Any changes |
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621 * made after this point may be overwritten when the script is next run. |
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622 */ |
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623 void ERR_load_BIO_strings(void); |
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624 |
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625 /* Error codes for the BIO functions. */ |
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626 |
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627 /* Function codes. */ |
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628 #define BIO_F_ACPT_STATE 100 |
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629 #define BIO_F_BIO_ACCEPT 101 |
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630 #define BIO_F_BIO_BER_GET_HEADER 102 |
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631 #define BIO_F_BIO_CTRL 103 |
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632 #define BIO_F_BIO_GETHOSTBYNAME 120 |
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633 #define BIO_F_BIO_GETS 104 |
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634 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105 |
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635 #define BIO_F_BIO_GET_HOST_IP 106 |
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636 #define BIO_F_BIO_GET_PORT 107 |
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637 #define BIO_F_BIO_MAKE_PAIR 121 |
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638 #define BIO_F_BIO_NEW 108 |
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639 #define BIO_F_BIO_NEW_FILE 109 |
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640 #define BIO_F_BIO_NEW_MEM_BUF 126 |
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641 #define BIO_F_BIO_NREAD 123 |
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642 #define BIO_F_BIO_NREAD0 124 |
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643 #define BIO_F_BIO_NWRITE 125 |
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644 #define BIO_F_BIO_NWRITE0 122 |
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645 #define BIO_F_BIO_PUTS 110 |
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646 #define BIO_F_BIO_READ 111 |
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647 #define BIO_F_BIO_SOCK_INIT 112 |
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648 #define BIO_F_BIO_WRITE 113 |
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649 #define BIO_F_BUFFER_CTRL 114 |
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650 #define BIO_F_CONN_CTRL 127 |
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651 #define BIO_F_CONN_STATE 115 |
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652 #define BIO_F_FILE_CTRL 116 |
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653 #define BIO_F_FILE_READ 130 |
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654 #define BIO_F_LINEBUFFER_CTRL 129 |
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655 #define BIO_F_MEM_READ 128 |
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656 #define BIO_F_MEM_WRITE 117 |
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657 #define BIO_F_SSL_NEW 118 |
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658 #define BIO_F_WSASTARTUP 119 |
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659 |
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660 /* Reason codes. */ |
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661 #define BIO_R_ACCEPT_ERROR 100 |
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662 #define BIO_R_BAD_FOPEN_MODE 101 |
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663 #define BIO_R_BAD_HOSTNAME_LOOKUP 102 |
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664 #define BIO_R_BROKEN_PIPE 124 |
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665 #define BIO_R_CONNECT_ERROR 103 |
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666 #define BIO_R_EOF_ON_MEMORY_BIO 127 |
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667 #define BIO_R_ERROR_SETTING_NBIO 104 |
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668 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105 |
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669 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106 |
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670 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107 |
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671 #define BIO_R_INVALID_ARGUMENT 125 |
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672 #define BIO_R_INVALID_IP_ADDRESS 108 |
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673 #define BIO_R_IN_USE 123 |
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674 #define BIO_R_KEEPALIVE 109 |
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675 #define BIO_R_NBIO_CONNECT_ERROR 110 |
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676 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111 |
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677 #define BIO_R_NO_HOSTNAME_SPECIFIED 112 |
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678 #define BIO_R_NO_PORT_DEFINED 113 |
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679 #define BIO_R_NO_PORT_SPECIFIED 114 |
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680 #define BIO_R_NO_SUCH_FILE 128 |
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681 #define BIO_R_NULL_PARAMETER 115 |
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682 #define BIO_R_TAG_MISMATCH 116 |
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683 #define BIO_R_UNABLE_TO_BIND_SOCKET 117 |
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684 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118 |
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685 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119 |
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686 #define BIO_R_UNINITIALIZED 120 |
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687 #define BIO_R_UNSUPPORTED_METHOD 121 |
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688 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126 |
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689 #define BIO_R_WSASTARTUP 122 |
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690 |
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691 #ifdef __cplusplus |
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692 } |
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693 #endif |
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694 #endif |
|
695 |