diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/a_utctm.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/a_utctm.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/src/lib/libcrypto/asn1/a_utctm.c b/src/lib/libcrypto/asn1/a_utctm.c new file mode 100644 index 0000000000..d31c028193 --- /dev/null +++ b/src/lib/libcrypto/asn1/a_utctm.c | |||
| @@ -0,0 +1,303 @@ | |||
| 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 int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; | ||
| 118 | static 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 | char *p; | ||
| 190 | struct tm *ts; | ||
| 191 | struct tm data; | ||
| 192 | size_t len = 20; | ||
| 193 | |||
| 194 | if (s == NULL) | ||
| 195 | s=M_ASN1_UTCTIME_new(); | ||
| 196 | if (s == NULL) | ||
| 197 | return(NULL); | ||
| 198 | |||
| 199 | ts=OPENSSL_gmtime(&t, &data); | ||
| 200 | if (ts == NULL) | ||
| 201 | return(NULL); | ||
| 202 | |||
| 203 | p=(char *)s->data; | ||
| 204 | if ((p == NULL) || ((size_t)s->length < len)) | ||
| 205 | { | ||
| 206 | p=OPENSSL_malloc(len); | ||
| 207 | if (p == NULL) | ||
| 208 | { | ||
| 209 | ASN1err(ASN1_F_ASN1_UTCTIME_SET,ERR_R_MALLOC_FAILURE); | ||
| 210 | return(NULL); | ||
| 211 | } | ||
| 212 | if (s->data != NULL) | ||
| 213 | OPENSSL_free(s->data); | ||
| 214 | s->data=(unsigned char *)p; | ||
| 215 | } | ||
| 216 | |||
| 217 | BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100, | ||
| 218 | ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec); | ||
| 219 | s->length=strlen(p); | ||
| 220 | s->type=V_ASN1_UTCTIME; | ||
| 221 | #ifdef CHARSET_EBCDIC_not | ||
| 222 | ebcdic2ascii(s->data, s->data, s->length); | ||
| 223 | #endif | ||
| 224 | return(s); | ||
| 225 | } | ||
| 226 | |||
| 227 | |||
| 228 | int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) | ||
| 229 | { | ||
| 230 | struct tm *tm; | ||
| 231 | struct tm data; | ||
| 232 | int offset; | ||
| 233 | int year; | ||
| 234 | |||
| 235 | #define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') | ||
| 236 | |||
| 237 | if (s->data[12] == 'Z') | ||
| 238 | offset=0; | ||
| 239 | else | ||
| 240 | { | ||
| 241 | offset = g2(s->data+13)*60+g2(s->data+15); | ||
| 242 | if (s->data[12] == '-') | ||
| 243 | offset = -offset; | ||
| 244 | } | ||
| 245 | |||
| 246 | t -= offset*60; /* FIXME: may overflow in extreme cases */ | ||
| 247 | |||
| 248 | tm = OPENSSL_gmtime(&t, &data); | ||
| 249 | |||
| 250 | #define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1 | ||
| 251 | year = g2(s->data); | ||
| 252 | if (year < 50) | ||
| 253 | year += 100; | ||
| 254 | return_cmp(year, tm->tm_year); | ||
| 255 | return_cmp(g2(s->data+2) - 1, tm->tm_mon); | ||
| 256 | return_cmp(g2(s->data+4), tm->tm_mday); | ||
| 257 | return_cmp(g2(s->data+6), tm->tm_hour); | ||
| 258 | return_cmp(g2(s->data+8), tm->tm_min); | ||
| 259 | return_cmp(g2(s->data+10), tm->tm_sec); | ||
| 260 | #undef g2 | ||
| 261 | #undef return_cmp | ||
| 262 | |||
| 263 | return 0; | ||
| 264 | } | ||
| 265 | |||
| 266 | |||
| 267 | #if 0 | ||
| 268 | time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s) | ||
| 269 | { | ||
| 270 | struct tm tm; | ||
| 271 | int offset; | ||
| 272 | |||
| 273 | memset(&tm,'\0',sizeof tm); | ||
| 274 | |||
| 275 | #define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') | ||
| 276 | tm.tm_year=g2(s->data); | ||
| 277 | if(tm.tm_year < 50) | ||
| 278 | tm.tm_year+=100; | ||
| 279 | tm.tm_mon=g2(s->data+2)-1; | ||
| 280 | tm.tm_mday=g2(s->data+4); | ||
| 281 | tm.tm_hour=g2(s->data+6); | ||
| 282 | tm.tm_min=g2(s->data+8); | ||
| 283 | tm.tm_sec=g2(s->data+10); | ||
| 284 | if(s->data[12] == 'Z') | ||
| 285 | offset=0; | ||
| 286 | else | ||
| 287 | { | ||
| 288 | offset=g2(s->data+13)*60+g2(s->data+15); | ||
| 289 | if(s->data[12] == '-') | ||
| 290 | offset= -offset; | ||
| 291 | } | ||
| 292 | #undef g2 | ||
| 293 | |||
| 294 | return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timezone | ||
| 295 | * instead of UTC, and unless we rewrite OpenSSL | ||
| 296 | * in Lisp we cannot locally change the timezone | ||
| 297 | * without possibly interfering with other parts | ||
| 298 | * of the program. timegm, which uses UTC, is | ||
| 299 | * non-standard. | ||
| 300 | * Also time_t is inappropriate for general | ||
| 301 | * UTC times because it may a 32 bit type. */ | ||
| 302 | } | ||
| 303 | #endif | ||
