Home » Technical Support » Linux FDS » "No Gameplay Pending" patch for LFDS!
"No Gameplay Pending" patch for LFDS! [message #225465] |
Sun, 08 October 2006 07:25  |
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howang
Messages: 57 Registered: September 2005 Location: Hong Kong
Karma: 0
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After a few days of work and much help from BadBoy, I've found out the way to patch the LFDS for always "Gameplay in process". This is my first reserve engineering product, and the experience is great! If there is anything wrong, please tell me so that I can have a chance to improve.
RH7.3
========================
offset xxxxx | org | new
offset 23A38 | B8 | 90
offset 23A39 | 87 | B8
offset 23A3A | F8 | 01
offset 23A3B | 01 | 00
offset 3FECA | 00 | 01
========================
Special thanks to:
StealthEye for the initial idea on patching the cGameDataCnc::Is_Gameplay_Permitted(void)
v00d00 for the wFDS version patch
BadBoy for finding out sub_472C40 = cGameData::Export_Tier_1_Data(cPacket &) and explain the tricks in the wFDS version patch
P.S. I'll find out the offsets in the RH8 version of LFDS soon 
Thanks blazer for the xwisp! My dream comes true!
<Ghostshaw> duh
<Ghostshaw> its awesome
<Ghostshaw> cheat the cheaters :P
[Updated on: Sun, 08 October 2006 07:30] Report message to a moderator
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Re: "No Gameplay Pending" patch for LFDS! [message #225483 is a reply to message #225465] |
Sun, 08 October 2006 08:40   |
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Cat998
Messages: 1082 Registered: January 2004 Location: Austria, Vienna
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 
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well done mate !
When people ask me "Plz" just because it's shorter than "Please" I feel perfectly justified to answer "No" because it's shorter then "Yes"
Programming is like sex: one mistake and you have to support it for the rest of your life
Want the best answers? Ask the best questions!
"So long, and thanks for all the fish."
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Re: "No Gameplay Pending" patch for LFDS! [message #226004 is a reply to message #225981] |
Tue, 10 October 2006 22:08   |
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howang
Messages: 57 Registered: September 2005 Location: Hong Kong
Karma: 0
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/* * * * * * * * * * * * * * *
LFDS no gameplay pending patcher (RH7.3)
offset xxxxx | org | new
offset 23A38 | B8 | 90
offset 23A39 | 87 | B8
offset 23A3A | F8 | 01
offset 23A3B | 01 | 00
offset 3FECA | 00 | 01
* * * * * * * * * * * * * * */
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char* argv[])
{
FILE *f;
printf("Renegade LFDS no gameplay pending patcher\n");
if (argc < 2)
{
printf("Usage: patcher <name of Linux FDS binary>\n");
exit(1);
}
f = fopen(argv[1],"rb");
if (f == 0)
{
printf("File %s not found\n",argv[1]);
exit(1);
}
fclose(f);
printf("patching Redhat 7.3 binary\n");
char c;
f = fopen(argv[1],"r+b");
fseek(f,0x23A38,SEEK_SET);
c = 0x90; /* 0x90 is a big cheater */
fwrite(&c,1,1,f);
fseek(f,0x23A39,SEEK_SET);
c = 0xB8;
fwrite(&c,1,1,f);
fseek(f,0x23A3A,SEEK_SET);
c = 0x01;
fwrite(&c,1,1,f);
fseek(f,0x23A3B,SEEK_SET);
c = 0x00;
fwrite(&c,1,1,f);
fseek(f,0x3FECA,SEEK_SET);
c = 0x01;
fwrite(&c,1,1,f);
printf("Patching complete\n");
}
/* * * * * * * * * * * * * * *
LFDS no gameplay pending patcher (RH8.0)
offset xxxxx | org | new
offset 2BBAA | B8 | 90
offset 2BBAB | 87 | 90
offset 2BBAC | F8 | 90
offset 2BBAD | 01 | 90
offset 2BBAE | 01 | 6A
offset 2BBAF | 01 | 01
offset 3DF12 | 00 | 01
* * * * * * * * * * * * * * */
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char* argv[])
{
FILE *f;
printf("Renegade LFDS no gameplay pending patcher\n");
if (argc < 2)
{
printf("Usage: patcher <name of Linux FDS binary>\n");
exit(1);
}
f = fopen(argv[1],"rb");
if (f == 0)
{
printf("File %s not found\n",argv[1]);
exit(1);
}
fclose(f);
printf("patching Redhat 8.0 binary\n");
char c;
f = fopen(argv[1],"r+b");
c = 0x90; /* 0x90 is a big cheater */
fseek(f,0x2BBAA,SEEK_SET);
fwrite(&c,1,1,f);
fseek(f,0x2BBAB,SEEK_SET);
fwrite(&c,1,1,f);
fseek(f,0x2BBAC,SEEK_SET);
fwrite(&c,1,1,f);
fseek(f,0x2BBAD,SEEK_SET);
fwrite(&c,1,1,f);
c = 0x6A;
fseek(f,0x2BBAE,SEEK_SET);
fwrite(&c,1,1,f);
c = 0x01;
fseek(f,0x2BBAF,SEEK_SET);
fwrite(&c,1,1,f);
fseek(f,0x3DF12,SEEK_SET);
fwrite(&c,1,1,f);
printf("Patching complete\n");
}
Thanks blazer for the xwisp! My dream comes true!
<Ghostshaw> duh
<Ghostshaw> its awesome
<Ghostshaw> cheat the cheaters :P
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Re: "No Gameplay Pending" patch for LFDS! [message #226682 is a reply to message #226470] |
Sat, 14 October 2006 19:33   |
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howang
Messages: 57 Registered: September 2005 Location: Hong Kong
Karma: 0
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UESir28:
that's C but not C++ 
btw, did you test the rh8 version for me? it's syntax should be correct, but I don't know if it work or not.
Yes, I forgot to post the command for compile and run it:
gcc -o gameplay_in_process_patcher <name of the C file>
chmod a+x gameplay_in_process_patcher
./gameplay_in_process_patcher <name of LFDS binary>
Thanks blazer for the xwisp! My dream comes true!
<Ghostshaw> duh
<Ghostshaw> its awesome
<Ghostshaw> cheat the cheaters :P
[Updated on: Sat, 14 October 2006 19:38] Report message to a moderator
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