386 crypt fix. (fix for fix)
Keith Gabryelski
ag at portnoy.CTS.COM
Tue Apr 5 07:11:57 AEST 1988
I apologize to those who tried the 386 crypt fix and found it to be
lacking the 286 S/M/L model fixes. I have fixed those patches in this
re-release. Thank you Mr. Gilbrech (skip at pwcmrd) for cluing me in on the
problems.
An explanation should go along with this shar patch.
This shar patch will, providing you have permission, replace the
crypt.o files from the archives in /lib/?libcrypt.a and
/lib/386/Slibcrypt.a with the patched files that are included in this
archive. You should only need to type "sh < cryptfix.shar" for the
fixes to be installed. (You should be root when invoking this
script.)
If your system does not have the crypt libraries in /lib/?libcrypt.a
(and /lib/386/Slibcrypt.a) then you will have to edit this shar file
to do the right thing.
If you have a problems, feel feel to drop me a line at the address
below.
I called SCO on Friday (April 1 no less) and a gave the necessary
patch information to a tech named Dave (pressures on Dave). I suppose
these fixes will be distributed once SCO is assured my source patch
didn't break anything.
--- ---
[ Keith ] UUCP: {cbosgd, hplabs!hp-sdd, sdcsvax, nosc}!crash!portnoy!ag
[Gabryelski] INET: ag at portnoy.cts.com ARPA: crash!portnoy!ag at nosc.mil
#! /bin/sh
# This is a shell archive, meaning:
# 1. Remove everything above the #! /bin/sh line.
# 2. Save the resulting text in a file.
# 3. Execute the file with /bin/sh (not csh) to create the files:
# ORIGScrypt.o (A copy of the old (broken) Scrypt.o 286 small module)
# ORIGMcrypt.o (A copy of the old (broken) Mcrypt.o 286 middle module)
# ORIGLcrypt.o (A copy of the old (broken) Lcrypt.o 286 large module)
# ORIGcrypt.o (A copy of the old (broken) crypt.o 386 library)
# NEWScrypt.o (A copy of the new (fixed) Scrypt.o small module)
# NEWMcrypt.o (A copy of the new (fixed) Mcrypt.o middle module)
# NEWLcrypt.o (A copy of the new (fixed) Lcrypt.o large module)
# NEWcrypt.o (A copy of the new (fixed) Lcrypt.o 386 library)
# The new [SML3]crypt.o will also be installed in /lib/[SML]libc.a and
# /lib/386/libc.a
#
# This archive created: Fri Apr 1 12:33:07 1988
export PATH; PATH=/bin:$PATH
if test -f '386patch'
then
echo shar: will not over-write existing file "'386patch'"
else
cat << \SHAR_EOF > '386patch'
begin 666 386patch
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end
SHAR_EOF
fi # end of overwriting check
if test -f 'Lpatch'
then
echo shar: will not over-write existing file "'Lpatch'"
else
cat << \SHAR_EOF > 'Lpatch'
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end
SHAR_EOF
fi # end of overwriting check
if test -f 'Mpatch'
then
echo shar: will not over-write existing file "'Mpatch'"
else
cat << \SHAR_EOF > 'Mpatch'
begin 666 Mpatch
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SHAR_EOF
fi # end of overwriting check
if test -f 'Spatch'
then
echo shar: will not over-write existing file "'Spatch'"
else
cat << \SHAR_EOF > 'Spatch'
begin 666 Spatch
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end
SHAR_EOF
fi # end of overwriting check
if test -f 'xorit.c'
then
echo shar: will not over-write existing file "'xorit.c'"
else
cat << \SHAR_EOF > 'xorit.c'
#include <stdio.h>
#define DEC(c) (((c) - ' ') & 077)
#define xorit(ch) putchar((ch)^getc(orig))
main(argc, argv)
int argc;
char *argv[];
{
int n;
FILE *orig;
char a, b, c, d;
if (argc<3)
{
fprintf(stderr, "Usage: xorit <originalfile> <patchfile>\n");
exit(-1);
}
if ((orig=fopen(argv[1], "r")) == NULL)
{
perror(argv[1]);
exit(1);
}
if (freopen(argv[2], "r", stdin) == NULL)
{
perror(argv[2]);
exit(1);
}
if (scanf("begin %*o %*s "))
{
fputs("xorit: bad uudecode input\n", stderr);
exit(1);
}
while ((n=getchar()) != EOF && (n=DEC(n))!=0)
{
while (n>0)
{
a = DEC(getchar());
b = DEC(getchar());
c = DEC(getchar());
d = DEC(getchar());
if (n-- > 0) xorit(a << 2 | b >> 4);
if (n-- > 0) xorit(b << 4 | c >> 2);
if (n-- > 0) xorit(c << 6 | d);
}
if ( (n=getchar()) != '\n' )
{
fputs("xorit: bad uudecode input\n", stderr);
exit(1);
}
}
exit(0);
}
SHAR_EOF
fi # end of overwriting check
set -e
echo "Extracting the old [SML ]crypt.o from [SML ]libc..."
ar x /lib/Slibcrypt.a Scrypt.o
mv Scrypt.o ORIGScrypt.o
ar x /lib/Mlibcrypt.a Mcrypt.o
mv Mcrypt.o ORIGMcrypt.o
ar x /lib/Llibcrypt.a Lcrypt.o
mv Lcrypt.o ORIGLcrypt.o
ar x /lib/386/Slibcrypt.a crypt.o
mv crypt.o ORIGcrypt.o
echo "Making the patch..."
cc -o xorit xorit.c
./xorit ORIGScrypt.o Spatch > Scrypt.o
./xorit ORIGMcrypt.o Mpatch > Mcrypt.o
./xorit ORIGLcrypt.o Lpatch > Lcrypt.o
./xorit ORIGcrypt.o 386patch > crypt.o
echo "Installing the new [SML ]crypt.o into [SML ]libc..."
ar r /lib/Slibcrypt.a Scrypt.o
mv Scrypt.o NEWScrypt.o
cp ORIGScrypt.o /lib # Save a copy for future reference
ar r /lib/Mlibcrypt.a Mcrypt.o
mv Mcrypt.o NEWMcrypt.o
cp ORIGMcrypt.o /lib # Save a copy for future reference
ar r /lib/Llibcrypt.a Lcrypt.o
mv Lcrypt.o NEWLcrypt.o
cp ORIGLcrypt.o /lib # Save a copy for future reference
ar r /lib/386/Slibcrypt.a crypt.o
mv crypt.o NEWcrypt.o
cp ORIGcrypt.o /lib/386 # Save a copy for future reference
echo "Cleaning up..."
rm xorit xorit.c Spatch Mpatch Lpatch 386patch
echo "All done."
# End of shell archive
exit 0
--
[ Keith ] UUCP: {cbosgd, hplabs!hp-sdd, sdcsvax, nosc}!crash!portnoy!ag
[Gabryelski] INET: ag at portnoy.cts.com ARPA: crash!portnoy!ag at nosc.mil
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