| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] */ |
| |
| #include <openssl/asn1.h> |
| |
| #include <openssl/err.h> |
| #include <openssl/mem.h> |
| #include <openssl/time_support.h> |
| |
| |
| #if 0 |
| int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp) |
| { |
| return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, |
| V_ASN1_UTCTIME,V_ASN1_UNIVERSAL)); |
| } |
| |
| |
| ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp, |
| long length) |
| { |
| ASN1_UTCTIME *ret=NULL; |
| |
| ret=(ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length, |
| V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); |
| if (ret == NULL) |
| { |
| OPENSSL_PUT_ERROR(ASN1, XXX, ERR_R_NESTED_ASN1_ERROR); |
| return(NULL); |
| } |
| if (!ASN1_UTCTIME_check(ret)) |
| { |
| OPENSSL_PUT_ERROR(ASN1, XXX, ASN1_R_INVALID_TIME_FORMAT); |
| goto err; |
| } |
| |
| return(ret); |
| err: |
| if ((ret != NULL) && ((a == NULL) || (*a != ret))) |
| M_ASN1_UTCTIME_free(ret); |
| return(NULL); |
| } |
| |
| #endif |
| |
| int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d) |
| { |
| static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; |
| static const int max[8]={99,12,31,23,59,59,12,59}; |
| char *a; |
| int n,i,l,o; |
| |
| if (d->type != V_ASN1_UTCTIME) return(0); |
| l=d->length; |
| a=(char *)d->data; |
| o=0; |
| |
| if (l < 11) goto err; |
| for (i=0; i<6; i++) |
| { |
| if ((i == 5) && ((a[o] == 'Z') || |
| (a[o] == '+') || (a[o] == '-'))) |
| { |
| i++; |
| if (tm) |
| tm->tm_sec = 0; |
| break; |
| } |
| if ((a[o] < '0') || (a[o] > '9')) goto err; |
| n= a[o]-'0'; |
| if (++o > l) goto err; |
| |
| if ((a[o] < '0') || (a[o] > '9')) goto err; |
| n=(n*10)+ a[o]-'0'; |
| if (++o > l) goto err; |
| |
| if ((n < min[i]) || (n > max[i])) goto err; |
| if (tm) |
| { |
| switch(i) |
| { |
| case 0: |
| tm->tm_year = n < 50 ? n + 100 : n; |
| break; |
| case 1: |
| tm->tm_mon = n - 1; |
| break; |
| case 2: |
| tm->tm_mday = n; |
| break; |
| case 3: |
| tm->tm_hour = n; |
| break; |
| case 4: |
| tm->tm_min = n; |
| break; |
| case 5: |
| tm->tm_sec = n; |
| break; |
| } |
| } |
| } |
| if (a[o] == 'Z') |
| o++; |
| else if ((a[o] == '+') || (a[o] == '-')) |
| { |
| int offsign = a[o] == '-' ? -1 : 1, offset = 0; |
| o++; |
| if (o+4 > l) goto err; |
| for (i=6; i<8; i++) |
| { |
| if ((a[o] < '0') || (a[o] > '9')) goto err; |
| n= a[o]-'0'; |
| o++; |
| if ((a[o] < '0') || (a[o] > '9')) goto err; |
| n=(n*10)+ a[o]-'0'; |
| if ((n < min[i]) || (n > max[i])) goto err; |
| if (tm) |
| { |
| if (i == 6) |
| offset = n * 3600; |
| else if (i == 7) |
| offset += n * 60; |
| } |
| o++; |
| } |
| if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign)) |
| return 0; |
| } |
| return o == l; |
| err: |
| return 0; |
| } |
| |
| int ASN1_UTCTIME_check(const ASN1_UTCTIME *d) |
| { |
| return asn1_utctime_to_tm(NULL, d); |
| } |
| |
| int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str) |
| { |
| ASN1_UTCTIME t; |
| |
| t.type=V_ASN1_UTCTIME; |
| t.length=strlen(str); |
| t.data=(unsigned char *)str; |
| if (ASN1_UTCTIME_check(&t)) |
| { |
| if (s != NULL) |
| { |
| if (!ASN1_STRING_set((ASN1_STRING *)s, |
| (unsigned char *)str,t.length)) |
| return 0; |
| s->type = V_ASN1_UTCTIME; |
| } |
| return(1); |
| } |
| else |
| return(0); |
| } |
| |
| ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t) |
| { |
| return ASN1_UTCTIME_adj(s, t, 0, 0); |
| } |
| |
| ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t, |
| int offset_day, long offset_sec) |
| { |
| char *p; |
| struct tm *ts; |
| struct tm data; |
| size_t len = 20; |
| |
| if (s == NULL) |
| s=M_ASN1_UTCTIME_new(); |
| if (s == NULL) |
| return(NULL); |
| |
| ts=OPENSSL_gmtime(&t, &data); |
| if (ts == NULL) |
| return(NULL); |
| |
| if (offset_day || offset_sec) |
| { |
| if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec)) |
| return NULL; |
| } |
| |
| if((ts->tm_year < 50) || (ts->tm_year >= 150)) |
| return NULL; |
| |
| p=(char *)s->data; |
| if ((p == NULL) || ((size_t)s->length < len)) |
| { |
| p=OPENSSL_malloc(len); |
| if (p == NULL) |
| { |
| OPENSSL_PUT_ERROR(ASN1, ASN1_UTCTIME_adj, ERR_R_MALLOC_FAILURE); |
| return(NULL); |
| } |
| if (s->data != NULL) |
| OPENSSL_free(s->data); |
| s->data=(unsigned char *)p; |
| } |
| |
| BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100, |
| ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec); |
| s->length=strlen(p); |
| s->type=V_ASN1_UTCTIME; |
| return(s); |
| } |
| |
| |
| int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) |
| { |
| struct tm stm, ttm; |
| int day, sec; |
| |
| if (!asn1_utctime_to_tm(&stm, s)) |
| return -2; |
| |
| if (!OPENSSL_gmtime(&t, &ttm)) |
| return -2; |
| |
| if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm)) |
| return -2; |
| |
| if (day > 0) |
| return 1; |
| if (day < 0) |
| return -1; |
| if (sec > 0) |
| return 1; |
| if (sec < 0) |
| return -1; |
| return 0; |
| } |
| |
| |
| #if 0 |
| time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s) |
| { |
| struct tm tm; |
| int offset; |
| |
| memset(&tm,'\0',sizeof tm); |
| |
| #define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') |
| tm.tm_year=g2(s->data); |
| if(tm.tm_year < 50) |
| tm.tm_year+=100; |
| tm.tm_mon=g2(s->data+2)-1; |
| tm.tm_mday=g2(s->data+4); |
| tm.tm_hour=g2(s->data+6); |
| tm.tm_min=g2(s->data+8); |
| tm.tm_sec=g2(s->data+10); |
| if(s->data[12] == 'Z') |
| offset=0; |
| else |
| { |
| offset=g2(s->data+13)*60+g2(s->data+15); |
| if(s->data[12] == '-') |
| offset= -offset; |
| } |
| #undef g2 |
| |
| return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timezone |
| * instead of UTC, and unless we rewrite OpenSSL |
| * in Lisp we cannot locally change the timezone |
| * without possibly interfering with other parts |
| * of the program. timegm, which uses UTC, is |
| * non-standard. |
| * Also time_t is inappropriate for general |
| * UTC times because it may a 32 bit type. */ |
| } |
| #endif |