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Diffstat (limited to 'openssl/crypto/asn1/a_gentm.c')
| -rw-r--r-- | openssl/crypto/asn1/a_gentm.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/a_gentm.c b/openssl/crypto/asn1/a_gentm.c new file mode 100644 index 000000000..def79062a --- /dev/null +++ b/openssl/crypto/asn1/a_gentm.c @@ -0,0 +1,246 @@ +/* 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 int min[9]={ 0, 0, 1, 1, 0, 0, 0, 0, 0}; + static 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++; + } + } + 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) + { + 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); + + p=(char *)s->data; + if ((p == NULL) || ((size_t)s->length < len)) + { + p=OPENSSL_malloc(len); + if (p == NULL) + { + ASN1err(ASN1_F_ASN1_GENERALIZEDTIME_SET, + 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); + } |