--- /dev/null
+/* crypto/asn1/a_gentm.c */
+/* 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.]
+ */
+
+/* GENERALIZEDTIME implementation, written by Steve Henson. Based on UTCTIME */
+
+#include <stdio.h>
+#include <time.h>
+#include "cryptlib.h"
+#include "o_time.h"
+#include <openssl/asn1.h>
+
+#if 0
+
+int i2d_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME *a, unsigned char **pp)
+ {
+#ifdef CHARSET_EBCDIC
+ /* KLUDGE! We convert to ascii before writing DER */
+ int len;
+ char tmp[24];
+ ASN1_STRING tmpstr = *(ASN1_STRING *)a;
+
+ len = tmpstr.length;
+ ebcdic2ascii(tmp, tmpstr.data, (len >= sizeof tmp) ? sizeof tmp : len);
+ tmpstr.data = tmp;
+
+ a = (ASN1_GENERALIZEDTIME *) &tmpstr;
+#endif
+ return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
+ V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL));
+ }
+
+
+ASN1_GENERALIZEDTIME *d2i_ASN1_GENERALIZEDTIME(ASN1_GENERALIZEDTIME **a,
+ unsigned char **pp, long length)
+ {
+ ASN1_GENERALIZEDTIME *ret=NULL;
+
+ ret=(ASN1_GENERALIZEDTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
+ V_ASN1_GENERALIZEDTIME,V_ASN1_UNIVERSAL);
+ if (ret == NULL)
+ {
+ ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ERR_R_NESTED_ASN1_ERROR);
+ return(NULL);
+ }
+#ifdef CHARSET_EBCDIC
+ ascii2ebcdic(ret->data, ret->data, ret->length);
+#endif
+ if (!ASN1_GENERALIZEDTIME_check(ret))
+ {
+ ASN1err(ASN1_F_D2I_ASN1_GENERALIZEDTIME,ASN1_R_INVALID_TIME_FORMAT);
+ goto err;
+ }
+
+ return(ret);
+err:
+ if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+ M_ASN1_GENERALIZEDTIME_free(ret);
+ return(NULL);
+ }
+
+#endif
+
+int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *d)
+ {
+ static const int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0};
+ static const int max[9]={99, 99,12,31,23,59,59,12,59};
+ char *a;
+ int n,i,l,o;
+
+ if (d->type != V_ASN1_GENERALIZEDTIME) return(0);
+ l=d->length;
+ a=(char *)d->data;
+ o=0;
+ /* GENERALIZEDTIME is similar to UTCTIME except the year is
+ * represented as YYYY. This stuff treats everything as a two digit
+ * field so make first two fields 00 to 99
+ */
+ if (l < 13) goto err;
+ for (i=0; i<7; i++)
+ {
+ if ((i == 6) && ((a[o] == 'Z') ||
+ (a[o] == '+') || (a[o] == '-')))
+ { i++; 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;
+ }
+ /* Optional fractional seconds: decimal point followed by one
+ * or more digits.
+ */
+ if (a[o] == '.')
+ {
+ if (++o > l) goto err;
+ i = o;
+ while ((a[o] >= '0') && (a[o] <= '9') && (o <= l))
+ o++;
+ /* Must have at least one digit after decimal point */
+ if (i == o) goto err;
+ }
+
+ if (a[o] == 'Z')
+ o++;
+ else if ((a[o] == '+') || (a[o] == '-'))
+ {
+ o++;
+ if (o+4 > l) goto err;
+ for (i=7; i<9; 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;
+ o++;
+ }
+ }
+ else
+ {
+ /* Missing time zone information. */
+ goto err;
+ }
+ return(o == l);
+err:
+ return(0);
+ }
+
+int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
+ {
+ ASN1_GENERALIZEDTIME t;
+
+ t.type=V_ASN1_GENERALIZEDTIME;
+ t.length=strlen(str);
+ t.data=(unsigned char *)str;
+ if (ASN1_GENERALIZEDTIME_check(&t))
+ {
+ if (s != NULL)
+ {
+ if (!ASN1_STRING_set((ASN1_STRING *)s,
+ (unsigned char *)str,t.length))
+ return 0;
+ s->type=V_ASN1_GENERALIZEDTIME;
+ }
+ return(1);
+ }
+ else
+ return(0);
+ }
+
+ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
+ time_t t)
+ {
+ return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
+ }
+
+ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *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_GENERALIZEDTIME_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;
+ }
+
+ p=(char *)s->data;
+ if ((p == NULL) || ((size_t)s->length < len))
+ {
+ p=OPENSSL_malloc(len);
+ if (p == NULL)
+ {
+ ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_ADJ,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ if (s->data != NULL)
+ OPENSSL_free(s->data);
+ s->data=(unsigned char *)p;
+ }
+
+ BIO_snprintf(p,len,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900,
+ ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
+ s->length=strlen(p);
+ s->type=V_ASN1_GENERALIZEDTIME;
+#ifdef CHARSET_EBCDIC_not
+ ebcdic2ascii(s->data, s->data, s->length);
+#endif
+ return(s);
+ }
projects / cassiopeia.git / blobdiff