When I posted my thanks to tidie 10 for the server setup a couple days ago, I mentioned I was working with the Iris gPotato US version to get it working. I have partial success and wanted to share what I have in case anyone else is working on this too and it would be helpful to them.
Basically, I can bypass the GameGuard stuff and get to the login screen. The login screen doesn't have the numberpad - I'm not sure if this is something I did with my gg bypass or if the screen was redesigned ( it's been a while since I actually played on gPotato servers ), or if I just need to change the login sql ( a guess ) since AuraKingdom has you sign in, then takes you to the numberpad, I suspect that is what would happen here too.
I found and downloaded 2 versions of the gPotato client.
One was IrisClient_20110126.exe - this is version 1.18.22612. The short instructions to get that one work are to load up a hex editor and change the following positions.
This will allow you to get to the login screen if the server is running - it does take a little while to load, I let gg load into memory because I'm not sure how often it references the code. I haven't gotten past that so I can't verify gg is completely bypassed. GG was checking memory locations for specific values, so I changed the program to put those values in those locations, otherwise the changes would have been shorter, this may have been overkill on my part. If someone is interested in a detailed description of what I did, I can post that later with pictures. I don't consider myself done though and just wanted to share what I had in case it would help someone else. Once I have it working, I'll post a complete tutorial on what I did.
The 2nd one I downloaded was IrisClient_20110502.rar - this is version 1.19.23720 I haven't gotten as far on this one, but it's the one I have loaded in my VM and am working on now. It still gets to the login screen, but you may have to cancel the connecting/downloading button for GameGuard, and it loads all the gg stuff after you close the client ( file list, web page, etc...rather annoying ). For this one, I just changed
In both of these, GameGuard checked for a compare to 0755. In the first one, it compared it to a memory location [ECX+10], in the second, it compared it to EAX. This seems to be the gg magic number, at least for this game. 74 is JZ, EB is JMP, so in the second one, I just bypassed that check and it was enough to get to the login screen. I thought it was weird the later version was that much easier, but it was. 40, 48 is just inc eax, dec eax. I did that rather than put in a bunch of NOPs in case GG checked for NOPs. The gg settings I found while I was doing this are:
NAME=IrisUS
UPDATE_SERVER=nprotect.download.iris.gpotato.com
UPDATE_PATH=/RealServer/
BACKUP_SERVER=
BACKUP_PATH=
OPTION_VALUE=0
SPEEDCHECK_INTERVAL=1000
GAMECRC=1
USE_GGSCAN=1
SENDERRLOG=3
LIMIT_TYAVPDOWN=10
CHECK_GAMEBLOCK=1
I think the speedcheck interval is the reason it takes so long to load the main screen. I haven't messed with adding the update server to my hosts file, but I may try that to see if I can get to the login screen faster.
Anyway, like I said I hope this helps someone, and I'll post the complete solution when I am able to get logged in to my server. Not sure when that will be, it took me 2 weeks to get the server up and running with single IP addresses for all the dungeons because the server side of it is all new to me.
Basically, I can bypass the GameGuard stuff and get to the login screen. The login screen doesn't have the numberpad - I'm not sure if this is something I did with my gg bypass or if the screen was redesigned ( it's been a while since I actually played on gPotato servers ), or if I just need to change the login sql ( a guess ) since AuraKingdom has you sign in, then takes you to the numberpad, I suspect that is what would happen here too.
I found and downloaded 2 versions of the gPotato client.
One was IrisClient_20110126.exe - this is version 1.18.22612. The short instructions to get that one work are to load up a hex editor and change the following positions.
Code:
Change 1.
0047DC1C 48 90 E9 25 01 00 00 90
Change 2.
0047E37A 48 90 EB
Change 3.
0047C655 C7 41 10 55 07 00 00 EB
Change 4
0047C669 C7 42 18 00 00 00 00 EB 05 40 48 40 48 90The 2nd one I downloaded was IrisClient_20110502.rar - this is version 1.19.23720 I haven't gotten as far on this one, but it's the one I have loaded in my VM and am working on now. It still gets to the login screen, but you may have to cancel the connecting/downloading button for GameGuard, and it loads all the gg stuff after you close the client ( file list, web page, etc...rather annoying ). For this one, I just changed
Code:
00239EB9 EB - it was originally 74.NAME=IrisUS
UPDATE_SERVER=nprotect.download.iris.gpotato.com
UPDATE_PATH=/RealServer/
BACKUP_SERVER=
BACKUP_PATH=
OPTION_VALUE=0
SPEEDCHECK_INTERVAL=1000
GAMECRC=1
USE_GGSCAN=1
SENDERRLOG=3
LIMIT_TYAVPDOWN=10
CHECK_GAMEBLOCK=1
I think the speedcheck interval is the reason it takes so long to load the main screen. I haven't messed with adding the update server to my hosts file, but I may try that to see if I can get to the login screen faster.
Anyway, like I said I hope this helps someone, and I'll post the complete solution when I am able to get logged in to my server. Not sure when that will be, it took me 2 weeks to get the server up and running with single IP addresses for all the dungeons because the server side of it is all new to me.