Battlefield 1942 Mods, Modding Tutorials & Forums

Nice job, Grabbi on capturing those packets. From observing the wireshark the server normally updates the clients(@ 33Hz?) with a data packet of 212 bytes. In Grabbi's packet log, the server sends its last data packet, No. 5593, at time 10.119069. So I assume after this time the server has hung, and...

tekk, the patch was not given to me by the exploiters(whoever they are). Each server executable requires a different alteration to be crafted, because the sequence and location of the machine instructions that make up the executable and subsequently the handleGameEventManagerEvent() function are uni...

This patch is for the newer version of the demo, v1.1 1.Modify before func.0048b410 [offset] [modified bytes] [instruction] 8b403 8b 45 04 mov eax,dword ptr[ebp+0x4] 8b406 83 f8 01 cmp eax,1 8b409 74 05 je 0048b410 8b40b eb 29 jmp 0048b436 2.Modify after func.0048b410 [offset] [modified bytes] [inst...

Modification for the BF1942Demo.exe version 1.0 1. Modify before func.00485583 Offset Original Modified Instructions comments 85583 90 90 90 8B 45 04 mov eax,dword ptr[ebp+0x4] ;get the event # 85586 90 90 90 83 F8 01 cmp eax,1 ;is this createPlayer event at the expected event #? 85589 90 90 74 05 j...

The .text section for the dynamic 1.61 is different, as indicated by the result from the readelf command: From readelf -S bf1942_lnxded.dynamic: Section Headers: [Nr] Name Type Addr Off Size ES Flg Lk Inf Al [12] .text PROGBITS 08052ab0 00aab0 611480 00 AX 0 0 16 Here are the modifications to be mad...

Here is the modification of the patch for the older 1.6v windows version of BF1942_w32ded.exe. Detour: Original: Virtual_Addr File_Offset Bytes Instruction 0045A50F 0005A50F 8B 10 mov edx,[eax] Modified Virtual_Addr File_Offset Bytes Instruction 0045A50f 0005A50f EB 82 jmp Comparison: Original: Virt...

Ah shoots, you are right the last byte needs to be changed to a 90 or nop instruction, I did this in my patches for testing, but forgot to put it in my post.

Here are the offsets to modify for the BF42 windows dedicated server, BF1942_w32ded.exe: Detour original: Virtual File Original Address Offset Bytes Instruction 0045a52f 5A52F 8B 10 mov edx,dword ptr[eax] Modified: Virtual File Modified Address Offset Bytes Instruction 0045a52f 5A52F EB 82 jmp 0045a...

Patched server link for the patched-rc2-full-version:
http://yehty.netii.net/dyryty/bf1942_ln ... tch.tar.gz

Here is the patched bf1942_lnxded.static, I used the bf1942_lnxded.static from the bf1942-update-1.61.tar.gz to (RC2). Here is a list of the md5sum's of b1942_lnxded.static for the various un-modified linux dedicated server versions: 1. Battleifled: 1942 v1.6 Full Server [Linux] RC1 6c6508aae7d61ab7...