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-rw-r--r--src/crypto/asn1/a_utctm.c341
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diff --git a/src/crypto/asn1/a_utctm.c b/src/crypto/asn1/a_utctm.c
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+/* 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 <string.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;
+ int free_s = 0;
+
+ if (s == NULL)
+ {
+ free_s = 1;
+ s=M_ASN1_UTCTIME_new();
+ }
+ if (s == NULL)
+ goto err;
+
+
+ ts=OPENSSL_gmtime(&t, &data);
+ if (ts == NULL)
+ goto err;
+
+ if (offset_day || offset_sec)
+ {
+ if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+ goto err;
+ }
+
+ if((ts->tm_year < 50) || (ts->tm_year >= 150))
+ goto err;
+
+ 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);
+ goto err;
+ }
+ 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);
+ err:
+ if (free_s && s)
+ M_ASN1_UTCTIME_free(s);
+ return NULL;
+ }
+
+
+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
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