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| 1 /* crypto/asn1/a_utctm.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 #include <stdio.h> | |
| 60 #include <time.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include "o_time.h" | |
| 63 #include <openssl/asn1.h> | |
| 64 | |
| 65 #if 0 | |
| 66 int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp) | |
| 67 { | |
| 68 #ifndef CHARSET_EBCDIC | |
| 69 return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, | |
| 70 V_ASN1_UTCTIME,V_ASN1_UNIVERSAL)); | |
| 71 #else | |
| 72 /* KLUDGE! We convert to ascii before writing DER */ | |
| 73 int len; | |
| 74 char tmp[24]; | |
| 75 ASN1_STRING x = *(ASN1_STRING *)a; | |
| 76 | |
| 77 len = x.length; | |
| 78 ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len); | |
| 79 x.data = tmp; | |
| 80 return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); | |
| 81 #endif | |
| 82 } | |
| 83 | |
| 84 | |
| 85 ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp, | |
| 86 long length) | |
| 87 { | |
| 88 ASN1_UTCTIME *ret=NULL; | |
| 89 | |
| 90 ret=(ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length, | |
| 91 V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); | |
| 92 if (ret == NULL) | |
| 93 { | |
| 94 ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR); | |
| 95 return(NULL); | |
| 96 } | |
| 97 #ifdef CHARSET_EBCDIC | |
| 98 ascii2ebcdic(ret->data, ret->data, ret->length); | |
| 99 #endif | |
| 100 if (!ASN1_UTCTIME_check(ret)) | |
| 101 { | |
| 102 ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT); | |
| 103 goto err; | |
| 104 } | |
| 105 | |
| 106 return(ret); | |
| 107 err: | |
| 108 if ((ret != NULL) && ((a == NULL) || (*a != ret))) | |
| 109 M_ASN1_UTCTIME_free(ret); | |
| 110 return(NULL); | |
| 111 } | |
| 112 | |
| 113 #endif | |
| 114 | |
| 115 int ASN1_UTCTIME_check(ASN1_UTCTIME *d) | |
| 116 { | |
| 117 static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; | |
| 118 static const int max[8]={99,12,31,23,59,59,12,59}; | |
| 119 char *a; | |
| 120 int n,i,l,o; | |
| 121 | |
| 122 if (d->type != V_ASN1_UTCTIME) return(0); | |
| 123 l=d->length; | |
| 124 a=(char *)d->data; | |
| 125 o=0; | |
| 126 | |
| 127 if (l < 11) goto err; | |
| 128 for (i=0; i<6; i++) | |
| 129 { | |
| 130 if ((i == 5) && ((a[o] == 'Z') || | |
| 131 (a[o] == '+') || (a[o] == '-'))) | |
| 132 { i++; break; } | |
| 133 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 134 n= a[o]-'0'; | |
| 135 if (++o > l) goto err; | |
| 136 | |
| 137 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 138 n=(n*10)+ a[o]-'0'; | |
| 139 if (++o > l) goto err; | |
| 140 | |
| 141 if ((n < min[i]) || (n > max[i])) goto err; | |
| 142 } | |
| 143 if (a[o] == 'Z') | |
| 144 o++; | |
| 145 else if ((a[o] == '+') || (a[o] == '-')) | |
| 146 { | |
| 147 o++; | |
| 148 if (o+4 > l) goto err; | |
| 149 for (i=6; i<8; i++) | |
| 150 { | |
| 151 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 152 n= a[o]-'0'; | |
| 153 o++; | |
| 154 if ((a[o] < '0') || (a[o] > '9')) goto err; | |
| 155 n=(n*10)+ a[o]-'0'; | |
| 156 if ((n < min[i]) || (n > max[i])) goto err; | |
| 157 o++; | |
| 158 } | |
| 159 } | |
| 160 return(o == l); | |
| 161 err: | |
| 162 return(0); | |
| 163 } | |
| 164 | |
| 165 int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str) | |
| 166 { | |
| 167 ASN1_UTCTIME t; | |
| 168 | |
| 169 t.type=V_ASN1_UTCTIME; | |
| 170 t.length=strlen(str); | |
| 171 t.data=(unsigned char *)str; | |
| 172 if (ASN1_UTCTIME_check(&t)) | |
| 173 { | |
| 174 if (s != NULL) | |
| 175 { | |
| 176 if (!ASN1_STRING_set((ASN1_STRING *)s, | |
| 177 (unsigned char *)str,t.length)) | |
| 178 return 0; | |
| 179 s->type = V_ASN1_UTCTIME; | |
| 180 } | |
| 181 return(1); | |
| 182 } | |
| 183 else | |
| 184 return(0); | |
| 185 } | |
| 186 | |
| 187 ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t) | |
| 188 { | |
| 189 return ASN1_UTCTIME_adj(s, t, 0, 0); | |
| 190 } | |
| 191 | |
| 192 ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t, | |
| 193 int offset_day, long offset_sec) | |
| 194 { | |
| 195 char *p; | |
| 196 struct tm *ts; | |
| 197 struct tm data; | |
| 198 size_t len = 20; | |
| 199 | |
| 200 if (s == NULL) | |
| 201 s=M_ASN1_UTCTIME_new(); | |
| 202 if (s == NULL) | |
| 203 return(NULL); | |
| 204 | |
| 205 ts=OPENSSL_gmtime(&t, &data); | |
| 206 if (ts == NULL) | |
| 207 return(NULL); | |
| 208 | |
| 209 if (offset_day || offset_sec) | |
| 210 { | |
| 211 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) | |
| 212 return NULL; | |
| 213 } | |
| 214 | |
| 215 if((ts->tm_year < 50) || (ts->tm_year >= 150)) | |
| 216 return NULL; | |
| 217 | |
| 218 p=(char *)s->data; | |
| 219 if ((p == NULL) || ((size_t)s->length < len)) | |
| 220 { | |
| 221 p=OPENSSL_malloc(len); | |
| 222 if (p == NULL) | |
| 223 { | |
| 224 ASN1err(ASN1_F_ASN1_UTCTIME_ADJ,ERR_R_MALLOC_FAILURE); | |
| 225 return(NULL); | |
| 226 } | |
| 227 if (s->data != NULL) | |
| 228 OPENSSL_free(s->data); | |
| 229 s->data=(unsigned char *)p; | |
| 230 } | |
| 231 | |
| 232 BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100, | |
| 233 ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec)
; | |
| 234 s->length=strlen(p); | |
| 235 s->type=V_ASN1_UTCTIME; | |
| 236 #ifdef CHARSET_EBCDIC_not | |
| 237 ebcdic2ascii(s->data, s->data, s->length); | |
| 238 #endif | |
| 239 return(s); | |
| 240 } | |
| 241 | |
| 242 | |
| 243 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) | |
| 244 { | |
| 245 struct tm *tm; | |
| 246 struct tm data; | |
| 247 int offset; | |
| 248 int year; | |
| 249 | |
| 250 #define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') | |
| 251 | |
| 252 if (s->data[12] == 'Z') | |
| 253 offset=0; | |
| 254 else | |
| 255 { | |
| 256 offset = g2(s->data+13)*60+g2(s->data+15); | |
| 257 if (s->data[12] == '-') | |
| 258 offset = -offset; | |
| 259 } | |
| 260 | |
| 261 t -= offset*60; /* FIXME: may overflow in extreme cases */ | |
| 262 | |
| 263 tm = OPENSSL_gmtime(&t, &data); | |
| 264 | |
| 265 #define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1 | |
| 266 year = g2(s->data); | |
| 267 if (year < 50) | |
| 268 year += 100; | |
| 269 return_cmp(year, tm->tm_year); | |
| 270 return_cmp(g2(s->data+2) - 1, tm->tm_mon); | |
| 271 return_cmp(g2(s->data+4), tm->tm_mday); | |
| 272 return_cmp(g2(s->data+6), tm->tm_hour); | |
| 273 return_cmp(g2(s->data+8), tm->tm_min); | |
| 274 return_cmp(g2(s->data+10), tm->tm_sec); | |
| 275 #undef g2 | |
| 276 #undef return_cmp | |
| 277 | |
| 278 return 0; | |
| 279 } | |
| 280 | |
| 281 | |
| 282 #if 0 | |
| 283 time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s) | |
| 284 { | |
| 285 struct tm tm; | |
| 286 int offset; | |
| 287 | |
| 288 memset(&tm,'\0',sizeof tm); | |
| 289 | |
| 290 #define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') | |
| 291 tm.tm_year=g2(s->data); | |
| 292 if(tm.tm_year < 50) | |
| 293 tm.tm_year+=100; | |
| 294 tm.tm_mon=g2(s->data+2)-1; | |
| 295 tm.tm_mday=g2(s->data+4); | |
| 296 tm.tm_hour=g2(s->data+6); | |
| 297 tm.tm_min=g2(s->data+8); | |
| 298 tm.tm_sec=g2(s->data+10); | |
| 299 if(s->data[12] == 'Z') | |
| 300 offset=0; | |
| 301 else | |
| 302 { | |
| 303 offset=g2(s->data+13)*60+g2(s->data+15); | |
| 304 if(s->data[12] == '-') | |
| 305 offset= -offset; | |
| 306 } | |
| 307 #undef g2 | |
| 308 | |
| 309 return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timez
one | |
| 310 * instead of UTC, and unless we rewrite O
penSSL | |
| 311 * in Lisp we cannot locally change the ti
mezone | |
| 312 * without possibly interfering with other
parts | |
| 313 * of the program. timegm, which uses UTC,
is | |
| 314 * non-standard. | |
| 315 * Also time_t is inappropriate for genera
l | |
| 316 * UTC times because it may a 32 bit type.
*/ | |
| 317 } | |
| 318 #endif | |
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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