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| 1 /* crypto/asn1/a_gentm.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 /* GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME */ | |
| 60 | |
| 61 #include <stdio.h> | |
| 62 #include <time.h> | |
| 63 #include "cryptlib.h" | |
| 64 #include "o_time.h" | |
| 65 #include <openssl/asn1.h> | |
| 66 | |
| 67 #if 0 | |
| 68 | |
| 69 int i2d_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp) | |
| 70 { | |
| 71 #ifdef CHARSET_EBCDIC | |
| 72 /* KLUDGE! We convert to ascii before writing DER */ | |
| 73 int len; | |
| 74 char tmp[24]; | |
| 75 ASN1_STRING tmpstr = *(ASN1_STRING *)a; | |
| 76 | |
| 77 len = tmpstr.length; | |
| 78 ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len); | |
| 79 tmpstr.data = tmp; | |
| 80 | |
| 81 a = (ASN1_GENERALIZEDTIME *) &tmpstr; | |
| 82 #endif | |
| 83 return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, | |
| 84 V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL)); | |
| 85 } | |
| 86 | |
| 87 | |
| 88 ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a, | |
| 89 unsigned char **pp, long length) | |
| 90 { | |
| 91 ASN1_GENERALIZEDTIME *ret=NULL; | |
| 92 | |
| 93 ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length, | |
| 94 V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL); | |
| 95 if (ret == NULL) | |
| 96 { | |
| 97 ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR)
; | |
| 98 return(NULL); | |
| 99 } | |
| 100 #ifdef CHARSET_EBCDIC | |
| 101 ascii2ebcdic(ret->data, ret->data, ret->length); | |
| 102 #endif | |
| 103 if (!ASN1_GENERALIZEDTIME_check(ret)) | |
| 104 { | |
| 105 ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORM
AT); | |
| 106 goto err; | |
| 107 } | |
| 108 | |
| 109 return(ret); | |
| 110 err: | |
| 111 if ((ret != NULL) && ((a == NULL) || (*a != ret))) | |
| 112 M_ASN1_GENERALIZEDTIME_free(ret); | |
| 113 return(NULL); | |
| 114 } | |
| 115 | |
| 116 #endif | |
| 117 | |
| 118 int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d) | |
| 119 { | |
| 120 static const int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0}; | |
| 121 static const int max[9]={99, 99,12,31,23,59,59,12,59}; | |
| 122 char *a; | |
| 123 int n,i,l,o; | |
| 124 | |
| 125 if (d->type != V_ASN1_GENERALIZEDTIME) return(0); | |
| 126 l=d->length; | |
| 127 a=(char *)d->data; | |
| 128 o=0; | |
| 129 /* GENERALIZEDTIME is similar to UTCTIME except the year is | |
| 130 * represented as YYYY. This stuff treats everything as a two digit | |
| 131 * field so make first two fields 00 to 99 | |
| 132 */ | |
| 133 if (l < 13) goto err; | |
| 134 for (i=0; i<7; i++) | |
| 135 { | |
| 136 if ((i == 6) && ((a[o] == 'Z') || | |
| 137 (a[o] == '+') || (a[o] == '-'))) | |
| 138 { i++; break; } | |
| 139 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 140 n= a[o]-'0'; | |
| 141 if (++o > l) goto err; | |
| 142 | |
| 143 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 144 n=(n*10)+ a[o]-'0'; | |
| 145 if (++o > l) goto err; | |
| 146 | |
| 147 if ((n < min[i]) || (n > max[i])) goto err; | |
| 148 } | |
| 149 /* Optional fractional seconds: decimal point followed by one | |
| 150 * or more digits. | |
| 151 */ | |
| 152 if (a[o] == '.') | |
| 153 { | |
| 154 if (++o > l) goto err; | |
| 155 i = o; | |
| 156 while ((a[o] >= '0') && (a[o] <= '9') && (o <= l)) | |
| 157 o++; | |
| 158 /* Must have at least one digit after decimal point */ | |
| 159 if (i == o) goto err; | |
| 160 } | |
| 161 | |
| 162 if (a[o] == 'Z') | |
| 163 o++; | |
| 164 else if ((a[o] == '+') || (a[o] == '-')) | |
| 165 { | |
| 166 o++; | |
| 167 if (o+4 > l) goto err; | |
| 168 for (i=7; i<9; i++) | |
| 169 { | |
| 170 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 171 n= a[o]-'0'; | |
| 172 o++; | |
| 173 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 174 n=(n*10)+ a[o]-'0'; | |
| 175 if ((n < min[i]) || (n > max[i])) goto err; | |
| 176 o++; | |
| 177 } | |
| 178 } | |
| 179 else | |
| 180 { | |
| 181 /* Missing time zone information. */ | |
| 182 goto err; | |
| 183 } | |
| 184 return(o == l); | |
| 185 err: | |
| 186 return(0); | |
| 187 } | |
| 188 | |
| 189 int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str) | |
| 190 { | |
| 191 ASN1_GENERALIZEDTIME t; | |
| 192 | |
| 193 t.type=V_ASN1_GENERALIZEDTIME; | |
| 194 t.length=strlen(str); | |
| 195 t.data=(unsigned char *)str; | |
| 196 if (ASN1_GENERALIZEDTIME_check(&t)) | |
| 197 { | |
| 198 if (s != NULL) | |
| 199 { | |
| 200 if (!ASN1_STRING_set((ASN1_STRING *)s, | |
| 201 (unsigned char *)str,t.length)) | |
| 202 return 0; | |
| 203 s->type=V_ASN1_GENERALIZEDTIME; | |
| 204 } | |
| 205 return(1); | |
| 206 } | |
| 207 else | |
| 208 return(0); | |
| 209 } | |
| 210 | |
| 211 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s, | |
| 212 time_t t) | |
| 213 { | |
| 214 return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0); | |
| 215 } | |
| 216 | |
| 217 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s, | |
| 218 time_t t, int offset_day, long offset_sec) | |
| 219 { | |
| 220 char *p; | |
| 221 struct tm *ts; | |
| 222 struct tm data; | |
| 223 size_t len = 20; | |
| 224 | |
| 225 if (s == NULL) | |
| 226 s=M_ASN1_GENERALIZEDTIME_new(); | |
| 227 if (s == NULL) | |
| 228 return(NULL); | |
| 229 | |
| 230 ts=OPENSSL_gmtime(&t, &data); | |
| 231 if (ts == NULL) | |
| 232 return(NULL); | |
| 233 | |
| 234 if (offset_day || offset_sec) | |
| 235 { | |
| 236 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) | |
| 237 return NULL; | |
| 238 } | |
| 239 | |
| 240 p=(char *)s->data; | |
| 241 if ((p == NULL) || ((size_t)s->length < len)) | |
| 242 { | |
| 243 p=OPENSSL_malloc(len); | |
| 244 if (p == NULL) | |
| 245 { | |
| 246 ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ, | |
| 247 ERR_R_MALLOC_FAILURE); | |
| 248 return(NULL); | |
| 249 } | |
| 250 if (s->data != NULL) | |
| 251 OPENSSL_free(s->data); | |
| 252 s->data=(unsigned char *)p; | |
| 253 } | |
| 254 | |
| 255 BIO_snprintf(p,len,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900, | |
| 256 ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec)
; | |
| 257 s->length=strlen(p); | |
| 258 s->type=V_ASN1_GENERALIZEDTIME; | |
| 259 #ifdef CHARSET_EBCDIC_not | |
| 260 ebcdic2ascii(s->data, s->data, s->length); | |
| 261 #endif | |
| 262 return(s); | |
| 263 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master