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1 /* crypto/asn1/a_gentm.c */ |
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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 /* GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME */ |
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60 /* |
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61 © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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62 */ |
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63 |
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64 |
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65 #include <stdio.h> |
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66 #include <time.h> |
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67 #include "cryptlib.h" |
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68 #include "o_time.h" |
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69 #include <openssl/asn1.h> |
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70 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__))) |
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71 #include "libcrypto_wsd_macros.h" |
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72 #include "libcrypto_wsd.h" |
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73 #endif |
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74 |
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75 |
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76 #if 0 |
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77 |
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78 EXPORT_C int i2d_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp) |
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79 { |
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80 #ifdef CHARSET_EBCDIC |
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81 /* KLUDGE! We convert to ascii before writing DER */ |
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82 int len; |
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83 char tmp[24]; |
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84 ASN1_STRING tmpstr = *(ASN1_STRING *)a; |
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85 |
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86 len = tmpstr.length; |
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87 ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len); |
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88 tmpstr.data = tmp; |
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89 |
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90 a = (ASN1_GENERALIZEDTIME *) &tmpstr; |
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91 #endif |
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92 return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, |
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93 V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL)); |
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94 } |
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95 |
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96 |
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97 EXPORT_C ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a, |
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98 unsigned char **pp, long length) |
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99 { |
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100 ASN1_GENERALIZEDTIME *ret=NULL; |
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101 |
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102 ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length, |
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103 V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL); |
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104 if (ret == NULL) |
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105 { |
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106 ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR); |
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107 return(NULL); |
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108 } |
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109 #ifdef CHARSET_EBCDIC |
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110 ascii2ebcdic(ret->data, ret->data, ret->length); |
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111 #endif |
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112 if (!ASN1_GENERALIZEDTIME_check(ret)) |
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113 { |
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114 ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORMAT); |
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115 goto err; |
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116 } |
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117 |
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118 return(ret); |
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119 err: |
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120 if ((ret != NULL) && ((a == NULL) || (*a != ret))) |
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121 M_ASN1_GENERALIZEDTIME_free(ret); |
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122 return(NULL); |
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123 } |
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124 |
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125 #endif |
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126 |
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127 |
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128 |
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129 EXPORT_C int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d) |
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130 { |
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131 char *a; |
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132 int n,i,l,o; |
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133 #ifndef EMULATOR |
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134 static int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0}; |
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135 static int max[9]={99, 99,12,31,23,59,59,12,59}; |
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136 #else |
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137 static const int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0}; |
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138 static const int max[9]={99, 99,12,31,23,59,59,12,59}; |
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139 #endif |
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140 if (d->type != V_ASN1_GENERALIZEDTIME) return(0); |
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141 l=d->length; |
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142 a=(char *)d->data; |
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143 o=0; |
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144 /* GENERALIZEDTIME is similar to UTCTIME except the year is |
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145 * represented as YYYY. This stuff treats everything as a two digit |
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146 * field so make first two fields 00 to 99 |
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147 */ |
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148 if (l < 13) goto err; |
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149 for (i=0; i<7; i++) |
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150 { |
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151 if ((i == 6) && ((a[o] == 'Z') || |
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152 (a[o] == '+') || (a[o] == '-'))) |
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153 { i++; break; } |
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154 if ((a[o] < '0') || (a[o] > '9')) goto err; |
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155 n= a[o]-'0'; |
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156 if (++o > l) goto err; |
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157 |
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158 if ((a[o] < '0') || (a[o] > '9')) goto err; |
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159 n=(n*10)+ a[o]-'0'; |
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160 if (++o > l) goto err; |
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161 |
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162 if ((n < min[i]) || (n > max[i])) goto err; |
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163 } |
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164 /* Optional fractional seconds: decimal point followed by one |
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165 * or more digits. |
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166 */ |
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167 if (a[o] == '.') |
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168 { |
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169 if (++o > l) goto err; |
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170 i = o; |
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171 while ((a[o] >= '0') && (a[o] <= '9') && (o <= l)) |
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172 o++; |
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173 /* Must have at least one digit after decimal point */ |
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174 if (i == o) goto err; |
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175 } |
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176 |
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177 if (a[o] == 'Z') |
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178 o++; |
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179 else if ((a[o] == '+') || (a[o] == '-')) |
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180 { |
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181 o++; |
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182 if (o+4 > l) goto err; |
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183 for (i=7; i<9; i++) |
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184 { |
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185 if ((a[o] < '0') || (a[o] > '9')) goto err; |
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186 n= a[o]-'0'; |
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187 o++; |
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188 if ((a[o] < '0') || (a[o] > '9')) goto err; |
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189 n=(n*10)+ a[o]-'0'; |
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190 if ((n < min[i]) || (n > max[i])) goto err; |
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191 o++; |
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192 } |
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193 } |
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194 return(o == l); |
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195 err: |
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196 return(0); |
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197 } |
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198 |
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199 EXPORT_C int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str) |
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200 { |
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201 ASN1_GENERALIZEDTIME t; |
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202 |
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203 t.type=V_ASN1_GENERALIZEDTIME; |
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204 t.length=strlen(str); |
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205 t.data=(unsigned char *)str; |
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206 if (ASN1_GENERALIZEDTIME_check(&t)) |
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207 { |
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208 if (s != NULL) |
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209 { |
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210 if (!ASN1_STRING_set((ASN1_STRING *)s, |
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211 (unsigned char *)str,t.length)) |
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212 return 0; |
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213 s->type=V_ASN1_GENERALIZEDTIME; |
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214 } |
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215 return(1); |
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216 } |
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217 else |
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218 return(0); |
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219 } |
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220 |
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221 EXPORT_C ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s, |
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222 time_t t) |
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223 { |
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224 char *p; |
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225 struct tm *ts; |
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226 struct tm data; |
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227 size_t len = 20; |
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228 |
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229 if (s == NULL) |
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230 s=M_ASN1_GENERALIZEDTIME_new(); |
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231 if (s == NULL) |
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232 return(NULL); |
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233 |
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234 ts=OPENSSL_gmtime(&t, &data); |
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235 if (ts == NULL) |
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236 return(NULL); |
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237 |
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238 p=(char *)s->data; |
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239 if ((p == NULL) || ((size_t)s->length < len)) |
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240 { |
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241 p=OPENSSL_malloc(len); |
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242 if (p == NULL) |
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243 { |
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244 ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_SET, |
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245 ERR_R_MALLOC_FAILURE); |
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246 return(NULL); |
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247 } |
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248 if (s->data != NULL) |
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249 OPENSSL_free(s->data); |
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250 s->data=(unsigned char *)p; |
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251 } |
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252 |
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253 BIO_snprintf(p,len,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900, |
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254 ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec); |
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255 s->length=strlen(p); |
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256 s->type=V_ASN1_GENERALIZEDTIME; |
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257 #ifdef CHARSET_EBCDIC_not |
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258 ebcdic2ascii(s->data, s->data, s->length); |
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259 #endif |
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260 return(s); |
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261 } |