ag@portnoy.CTS.COM (Keith Gabryelski) (04/02/88)
See previous post for an explanation of the bug and a test program.
This binary patch is for 386 SCO Xenix users.
I could have just as easily posted just the new crypt.o, but to avoid
any legal problems I made it so that you have to have the old broken
crypt.o in order to get the new one.
The bug was found and fixed by myself Michael Ditto (ford@kenobi.UUCP)
using only our bare hands and adb (Well, with some help from M-x
compare-windows, etc.).
#! /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:$PATH
if test -f '386patch'
then
echo shar: will not over-write existing file "'386patch'"
else
cat << \SHAR_EOF > '386patch'
begin 666 386patch
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M1?!KP%GI]D$@=\0":\X&@-M<5F!R>1NRZHI-\(@8LE(# '062P !:0
M0?____\6_O___[E\ >;P<NO___^5_Y?7^___%_____]\._<6'0 $'_____
M%O[___^Y? 'T\'*J____1/____] _____Q;^____N'P ^?!RZ____RX<E#GY
M\$%[Q]?[___T)Q8= ?#S1? 3&\''\____?#SX? 2E\''\____?#SY=#QW
M>>7[__\67@ #EYY?O___]_PN;[____\'KU____7^?[__]=YOO__T?G^___
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end
SHAR_EOF
fi # end of overwriting check
if test -f 'Lpatch'
then
echo shar: will not over-write existing file "'Lpatch'"
else
cat << \SHAR_EOF > 'Lpatch'
begin 666 Lpatch
M
M
M &P U !@
M>
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M3 (!>0 !20 !50(!-0 !(P ![ !\0 !$ !#@ !-0 !' !#@(!= (!&@(!
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M ', V_:[Q&.>PPCLH2?TH3"?Q#>9FT7OO5+KHA.=Q%@S;<;B77!TYP=?C.]V
#:V4-
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
M
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M?
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M ";HT :)P'54RF)\](!?^@P -65BNC 6@X"I@1V ->!MT1U'X.A(.*'!?8
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end
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
M
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M !@ ^ $ 'P
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MBP2X"E>^*__=TRO_$@[8 \:/4D2AC ^?_,\&=T,[:C@&@NG'Q8 & /=VO@]T
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MEOZK^U>4YT9\@@:@J,(.+YR) 'WU@@DZD]Z/#N[_1H5.!;-_@'JB0O[.!^9&
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M E;]G@HX!H%X!'2 ==\)[ZXMH#<S0/Y\(5@@((A,)3) ^'PFN\&)L1@ (.
M" #?"KG^]C\V@':%)(:@J-U*%D"@@R#K1X-\PGB/Q7WG?I&]W3%M/E"X _N!
MCOZXA<3SJ @FD_W%+V[. !'@]3YK8Y]_O@N=)!UX?2%JT)F#L6 N=F! O^N
M?4!T:'WV>B-Z0@"X]7L_N'I >@0#>.<"BC/X*)P>IE^'1A-XXID/_UG#(*+]
M!,?7F6>'FV6%FW^.FYG.%"+:7 #">X?Y_)H G0 @@ B D !=0 !K !!
MZ,F#8A2= 8\ :( 40 043)Q27=60ZD6P*R67&V&6ASG0"T ") !I $.5
MR<8TUEHHW5@AJ5@>LU@)N5@"@EAQG%AF8EI1;EA,<EJ[>UBH?UBA3EJ<5UJ#
M(EJ'+UK^ UCP$EKD'5K8]%L]_ULNRALF&IP!]P !^ !G@ !C0 !L (!E@(
M=@ 4 ! K,O'LBQ;KC-;HCI9F#Y;G05;B0Q9C>)9^^E;Z?5;Y/M;V,-;R\0;
MPQN<W]F[Q#^>PW+LH53VH66?Q ^;VV0D>C3D<0( "5@Z'08&$A4-W '-5A
#<GD$
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@portnoy.cts.com ARPA: crash!portnoy!ag@nosc.mil