diff options
Diffstat (limited to 'ics-openvpn-stripped/main/openssl/crypto/asn1/a_utctm.c')
| -rw-r--r-- | ics-openvpn-stripped/main/openssl/crypto/asn1/a_utctm.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/ics-openvpn-stripped/main/openssl/crypto/asn1/a_utctm.c b/ics-openvpn-stripped/main/openssl/crypto/asn1/a_utctm.c new file mode 100644 index 00000000..072e2365 --- /dev/null +++ b/ics-openvpn-stripped/main/openssl/crypto/asn1/a_utctm.c @@ -0,0 +1,318 @@ +/* crypto/asn1/a_utctm.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.] + */ + +#include <stdio.h> +#include <time.h> +#include "cryptlib.h" +#include "o_time.h" +#include <openssl/asn1.h> + +#if 0 +int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp) + { +#ifndef CHARSET_EBCDIC + return(i2d_ASN1_bytes((ASN1_STRING *)a,pp, + V_ASN1_UTCTIME,V_ASN1_UNIVERSAL)); +#else + /* KLUDGE! We convert to ascii before writing DER */ + int len; + char tmp[24]; + ASN1_STRING x = *(ASN1_STRING *)a; + + len = x.length; + ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len); + x.data = tmp; + return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL); +#endif + } + + +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) + { + ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR); + return(NULL); + } +#ifdef CHARSET_EBCDIC + ascii2ebcdic(ret->data, ret->data, ret->length); +#endif + 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))) + M_ASN1_UTCTIME_free(ret); + return(NULL); + } + +#endif + +int ASN1_UTCTIME_check(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++; 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); + } + +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) + { + ASN1err(ASN1_F_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; +#ifdef CHARSET_EBCDIC_not + ebcdic2ascii(s->data, s->data, s->length); +#endif + return(s); + } + + +int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t) + { + struct tm *tm; + struct tm data; + int offset; + int year; + +#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0') + + if (s->data[12] == 'Z') + offset=0; + else + { + offset = g2(s->data+13)*60+g2(s->data+15); + if (s->data[12] == '-') + offset = -offset; + } + + t -= offset*60; /* FIXME: may overflow in extreme cases */ + + tm = OPENSSL_gmtime(&t, &data); + +#define return_cmp(a,b) if ((a)<(b)) return -1; else if ((a)>(b)) return 1 + year = g2(s->data); + if (year < 50) + year += 100; + return_cmp(year, tm->tm_year); + return_cmp(g2(s->data+2) - 1, tm->tm_mon); + return_cmp(g2(s->data+4), tm->tm_mday); + return_cmp(g2(s->data+6), tm->tm_hour); + return_cmp(g2(s->data+8), tm->tm_min); + return_cmp(g2(s->data+10), tm->tm_sec); +#undef g2 +#undef return_cmp + + 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 |