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Diffstat (limited to 'crypto/asn1/a_utctm.c')
| -rw-r--r-- | crypto/asn1/a_utctm.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c new file mode 100644 index 0000000000..cc3c692fc9 --- /dev/null +++ b/crypto/asn1/a_utctm.c @@ -0,0 +1,190 @@ +/* crypto/asn1/a_utctm.c */ +/* Copyright (C) 1995-1997 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 <stdio.h> +#include <time.h> +#include "cryptlib.h" +#include "asn1.h" + +/* ASN1err(ASN1_F_ASN1_UTCTIME_NEW,ASN1_R_UTCTIME_TOO_LONG); + * ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_EXPECTING_A_UTCTIME); + */ + +int i2d_ASN1_UTCTIME(a,pp) +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(a, pp, length) +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) + { + ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_ERROR_STACK); + return(NULL); + } + if (!ASN1_UTCTIME_check(ret)) + { + ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT); + goto err; + } + + return(ret); +err: + if ((ret != NULL) && ((a == NULL) || (*a != ret))) + ASN1_UTCTIME_free(ret); + return(NULL); + } + +int ASN1_UTCTIME_check(d) +ASN1_UTCTIME *d; + { + static int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0}; + static 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++; 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 (a[o] == 'Z') + o++; + else if ((a[o] == '+') || (a[o] == '-')) + { + 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; + o++; + } + } + return(o == l); +err: + return(0); + } + +ASN1_UTCTIME *ASN1_UTCTIME_set(s, t) +ASN1_UTCTIME *s; +time_t t; + { + char *p; + struct tm *ts; +#if defined(THREADS) + struct tm data; +#endif + + if (s == NULL) + s=ASN1_UTCTIME_new(); + if (s == NULL) + return(NULL); + +#if defined(THREADS) + ts=(struct tm *)gmtime_r(&t,&data); +#else + ts=(struct tm *)gmtime(&t); +#endif + p=(char *)s->data; + if ((p == NULL) || (s->length < 14)) + { + p=Malloc(20); + if (p == NULL) return(NULL); + if (s->data != NULL) + Free(s->data); + s->data=(unsigned char *)p; + } + + sprintf(p,"%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); + } |