From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: 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 --- libXdmcp/Wrap.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 libXdmcp/Wrap.c (limited to 'libXdmcp/Wrap.c') diff --git a/libXdmcp/Wrap.c b/libXdmcp/Wrap.c new file mode 100644 index 000000000..d8a032abc --- /dev/null +++ b/libXdmcp/Wrap.c @@ -0,0 +1,133 @@ +/* + * $Xorg: Wrap.c,v 1.4 2001/02/09 02:03:49 xorgcvs Exp $ + * + * +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + * * + * Author: Keith Packard, MIT X Consortium + */ + +/* $XFree86: xc/lib/Xdmcp/Wrap.c,v 1.3 2001/01/17 19:42:44 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include +#include + +#ifdef HASXDMAUTH + +/* + * The following function exists only to demonstrate the + * desired functional interface for this routine. You will + * need to add the appropriate algorithm if you wish to + * use XDM-AUTHENTICATION-1/XDM-AUTHORIZATION-1. + * + * Examine the XDMCP specification for the correct algorithm + */ + +#include "Wrap.h" + +void +XdmcpWrap ( + unsigned char *input, + unsigned char *wrapper, + unsigned char *output, + int bytes) +{ + int i, j; + int len; + unsigned char tmp[8]; + unsigned char expand_wrapper[8]; + auth_wrapper_schedule schedule; + + _XdmcpWrapperToOddParity (wrapper, expand_wrapper); + _XdmcpAuthSetup (expand_wrapper, schedule); + for (j = 0; j < bytes; j += 8) + { + len = 8; + if (bytes - j < len) + len = bytes - j; + /* block chaining */ + for (i = 0; i < len; i++) + { + if (j == 0) + tmp[i] = input[i]; + else + tmp[i] = input[j + i] ^ output[j - 8 + i]; + } + for (; i < 8; i++) + { + if (j == 0) + tmp[i] = 0; + else + tmp[i] = 0 ^ output[j - 8 + i]; + } + _XdmcpAuthDoIt (tmp, (output + j), schedule, 1); + } +} + +/* + * Given a 56 bit wrapper in XDMCP format, create a 56 + * bit wrapper in 7-bits + odd parity format + */ + +static int +OddParity (unsigned char c) +{ + c = c ^ (c >> 4); + c = c ^ (c >> 2); + c = c ^ (c >> 1); + return ~c & 0x1; +} + +/* + * Spread the 56 bit wrapper among 8 bytes, using the upper 7 bits + * of each byte, and storing an odd parity bit in the low bit + */ + +void +_XdmcpWrapperToOddParity ( + unsigned char *in, + unsigned char *out) +{ + int ashift, bshift; + int i; + unsigned char c; + + ashift = 7; + bshift = 1; + for (i = 0; i < 7; i++) + { + c = ((in[i] << ashift) | (in[i+1] >> bshift)) & 0x7f; + out[i] = (c << 1) | OddParity (c); + ashift--; + bshift++; + } + c = in[i]; + out[i] = (c << 1) | OddParity(c); +} + +#endif -- cgit v1.2.3