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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/asn1/a_bitstr.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'openssl/crypto/asn1/a_bitstr.c')
-rw-r--r-- | openssl/crypto/asn1/a_bitstr.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/a_bitstr.c b/openssl/crypto/asn1/a_bitstr.c new file mode 100644 index 000000000..0fb9ce0c2 --- /dev/null +++ b/openssl/crypto/asn1/a_bitstr.c @@ -0,0 +1,225 @@ +/* crypto/asn1/a_bitstr.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 "cryptlib.h" +#include <openssl/asn1.h> + +int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len) +{ return M_ASN1_BIT_STRING_set(x, d, len); } + +int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) + { + int ret,j,bits,len; + unsigned char *p,*d; + + if (a == NULL) return(0); + + len=a->length; + + if (len > 0) + { + if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) + { + bits=(int)a->flags&0x07; + } + else + { + for ( ; len > 0; len--) + { + if (a->data[len-1]) break; + } + j=a->data[len-1]; + if (j & 0x01) bits=0; + else if (j & 0x02) bits=1; + else if (j & 0x04) bits=2; + else if (j & 0x08) bits=3; + else if (j & 0x10) bits=4; + else if (j & 0x20) bits=5; + else if (j & 0x40) bits=6; + else if (j & 0x80) bits=7; + else bits=0; /* should not happen */ + } + } + else + bits=0; + + ret=1+len; + if (pp == NULL) return(ret); + + p= *pp; + + *(p++)=(unsigned char)bits; + d=a->data; + memcpy(p,d,len); + p+=len; + if (len > 0) p[-1]&=(0xff<<bits); + *pp=p; + return(ret); + } + +ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, + const unsigned char **pp, long len) + { + ASN1_BIT_STRING *ret=NULL; + const unsigned char *p; + unsigned char *s; + int i; + + if (len < 1) + { + i=ASN1_R_STRING_TOO_SHORT; + goto err; + } + + if ((a == NULL) || ((*a) == NULL)) + { + if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL); + } + else + ret=(*a); + + p= *pp; + i= *(p++); + /* We do this to preserve the settings. If we modify + * the settings, via the _set_bit function, we will recalculate + * on output */ + ret->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear */ + ret->flags|=(ASN1_STRING_FLAG_BITS_LEFT|(i&0x07)); /* set */ + + if (len-- > 1) /* using one because of the bits left byte */ + { + s=(unsigned char *)OPENSSL_malloc((int)len); + if (s == NULL) + { + i=ERR_R_MALLOC_FAILURE; + goto err; + } + memcpy(s,p,(int)len); + s[len-1]&=(0xff<<i); + p+=len; + } + else + s=NULL; + + ret->length=(int)len; + if (ret->data != NULL) OPENSSL_free(ret->data); + ret->data=s; + ret->type=V_ASN1_BIT_STRING; + if (a != NULL) (*a)=ret; + *pp=p; + return(ret); +err: + ASN1err(ASN1_F_C2I_ASN1_BIT_STRING,i); + if ((ret != NULL) && ((a == NULL) || (*a != ret))) + M_ASN1_BIT_STRING_free(ret); + return(NULL); + } + +/* These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de> + */ +int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value) + { + int w,v,iv; + unsigned char *c; + + w=n/8; + v=1<<(7-(n&0x07)); + iv= ~v; + if (!value) v=0; + + if (a == NULL) + return 0; + + a->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear, set on write */ + + if ((a->length < (w+1)) || (a->data == NULL)) + { + if (!value) return(1); /* Don't need to set */ + if (a->data == NULL) + c=(unsigned char *)OPENSSL_malloc(w+1); + else + c=(unsigned char *)OPENSSL_realloc_clean(a->data, + a->length, + w+1); + if (c == NULL) + { + ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT,ERR_R_MALLOC_FAILURE); + return 0; + } + if (w+1-a->length > 0) memset(c+a->length, 0, w+1-a->length); + a->data=c; + a->length=w+1; + } + a->data[w]=((a->data[w])&iv)|v; + while ((a->length > 0) && (a->data[a->length-1] == 0)) + a->length--; + return(1); + } + +int ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *a, int n) + { + int w,v; + + w=n/8; + v=1<<(7-(n&0x07)); + if ((a == NULL) || (a->length < (w+1)) || (a->data == NULL)) + return(0); + return((a->data[w]&v) != 0); + } + |