eukara/fteqw
1
0
Fork 0
forked from fte/fteqw
Code Pull requests Activity

Don't send random stack contents to the client with chunked downloads if the file size modulo is not 1024 or if the client requests an out of bounds block.

Browse source 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2411 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Mark Olsen 2006-10-15 19:31:24 +00:00
parent 3b15e738f8
commit 1a5b73909a
1 changed files with 12 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
engine/server/sv_user.c
View file

@ -1489,14 +1489,22 @@ void SV_NextChunkedDownload(int chunknum)
{
#define CHUNKSIZE 1024
char buffer[1024];
int i;
if (host_client->datagram.cursize + CHUNKSIZE+5+50 > host_client->datagram.maxsize)
return; //choked!
VFS_SEEK (host_client->download, chunknum*CHUNKSIZE);
VFS_READ (host_client->download, buffer, CHUNKSIZE);
i = VFS_READ (host_client->download, buffer, CHUNKSIZE);
MSG_WriteByte(&host_client->datagram, svc_download);
MSG_WriteLong(&host_client->datagram, chunknum);
SZ_Write(&host_client->datagram, buffer, CHUNKSIZE);
if (i > 0)
{
if (i != CHUNKSIZE)
bzero(buffer+i, CHUNKSIZE-i);
MSG_WriteByte(&host_client->datagram, svc_download);
MSG_WriteLong(&host_client->datagram, chunknum);
SZ_Write(&host_client->datagram, buffer, CHUNKSIZE);
}
}
/*