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* Prevent joining a server if you have too many files loaded to add the remainder.

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* Made the check in Got_RequestAddfilecmd more comprehensive, since I might as well. Just something to tweak a little later in internal.
This commit is contained in:
toasterbabe 2017-05-25 16:06:39 +01:00
parent 5c302d7ffc
commit 47e171250f
3 changed files with 42 additions and 4 deletions
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17
src/d_clisrv.c
View file

@ -1733,9 +1733,7 @@ static boolean CL_ServerConnectionSearchTicker(boolean viams, tic_t *asksent)
{
#ifndef NONET
INT32 i;
#endif
#ifndef NONET
// serverlist is updated by GetPacket function
if (serverlistcount > 0)
{
@ -1769,7 +1767,20 @@ static boolean CL_ServerConnectionSearchTicker(boolean viams, tic_t *asksent)
serverlist[i].info.fileneeded);
CONS_Printf(M_GetText("Checking files...\n"));
i = CL_CheckFiles();
if (i == 2) // cannot join for some reason
if (i == 3) // too many files
{
D_QuitNetGame();
CL_Reset();
D_StartTitle();
M_StartMessage(M_GetText(
"You have too many WAD files loaded\n"
"to add ones the server is using.\n"
"Please restart SRB2 before connecting.\n\n"
"Press ESC\n"
), NULL, MM_NOTHING);
return false;
}
else if (i == 2) // cannot join for some reason
{
D_QuitNetGame();
CL_Reset();

14
src/d_netcmd.c
View file

@ -3080,6 +3080,11 @@ static void Got_RequestAddfilecmd(UINT8 **cp, INT32 playernum)
boolean kick = false;
boolean toomany = false;
INT32 i;
size_t packetsize = 0;
serverinfo_pak *dummycheck = NULL;
// Shut the compiler up.
(void)dummycheck;
READSTRINGN(*cp, filename, 240);
READMEM(*cp, md5sum, 16);
@ -3105,7 +3110,14 @@ static void Got_RequestAddfilecmd(UINT8 **cp, INT32 playernum)
return;
}
if (numwadfiles >= MAX_WADFILES) // a more comprehensive check in internal; bare minimum of out-of-bounds for public next
// See W_LoadWadFile in w_wad.c
for (i = 0; i < numwadfiles; i++)
packetsize += nameonlylength(wadfiles[i]->filename) + 22;
packetsize += nameonlylength(filename) + 22;
if ((numwadfiles >= MAX_WADFILES)
|| (packetsize > sizeof(dummycheck->fileneeded)))
toomany = true;
else
ncs = findfile(filename,md5sum,true);

15
src/d_netfil.c
View file

@ -330,6 +330,11 @@ INT32 CL_CheckFiles(void)
INT32 i, j;
char wadfilename[MAX_WADPATH];
INT32 ret = 1;
size_t packetsize = 0;
serverinfo_pak *dummycheck = NULL;
// Shut the compiler up.
(void)dummycheck;
// if (M_CheckParm("-nofiles"))
// return 1;
@ -378,6 +383,10 @@ INT32 CL_CheckFiles(void)
return 1;
}
// See W_LoadWadFile in w_wad.c
for (i = 0; i < numwadfiles; i++)
packetsize += nameonlylength(wadfiles[i]->filename) + 22;
for (i = 1; i < fileneedednum; i++)
{
CONS_Debug(DBG_NETPLAY, "searching for '%s' ", fileneeded[i].filename);
@ -397,6 +406,12 @@ INT32 CL_CheckFiles(void)
if (fileneeded[i].status != FS_NOTFOUND || !fileneeded[i].important)
continue;
packetsize += nameonlylength(fileneeded[i].filename) + 22;
if ((numwadfiles >= MAX_WADFILES)
|| (packetsize > sizeof(dummycheck->fileneeded)))
return 3;
fileneeded[i].status = findfile(fileneeded[i].filename, fileneeded[i].md5sum, true);
CONS_Debug(DBG_NETPLAY, "found %d\n", fileneeded[i].status);
if (fileneeded[i].status != FS_FOUND)