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Merge branch 'too_many_wads_in_netgames' into 'next'

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A bunch of bugfixes about too many wads in netgames

Fixes:
* Having bunch of music WADs added and then breaching the file limit(s) through joining a server with important files added. http://mb.srb2.org/showthread.php?t=42662
* Having a bunch of music WADs added, joining a server, and then breaching the file limit(s) when the server adds a file. https://mb.srb2.org/showthread.php?t=34664
* Informing the adminplayer whenever they try to send a request addfile net command but the file limit(s) are reached.

Done into next because I might as well be 100% safe, even though this could probably work on master as well.

See merge request !187
This commit is contained in:
Monster Iestyn 2017-05-26 17:58:53 -04:00
commit 0bb4e76e73
3 changed files with 60 additions and 9 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();

34
src/d_netcmd.c
View file

@ -3078,7 +3078,13 @@ static void Got_RequestAddfilecmd(UINT8 **cp, INT32 playernum)
filestatus_t ncs = FS_NOTFOUND;
UINT8 md5sum[16];
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);
@ -3104,13 +3110,25 @@ static void Got_RequestAddfilecmd(UINT8 **cp, INT32 playernum)
return;
}
ncs = findfile(filename,md5sum,true);
// See W_LoadWadFile in w_wad.c
for (i = 0; i < numwadfiles; i++)
packetsize += nameonlylength(wadfiles[i]->filename) + 22;
if (ncs != FS_FOUND)
packetsize += nameonlylength(filename) + 22;
if ((numwadfiles >= MAX_WADFILES)
|| (packetsize > sizeof(dummycheck->fileneeded)))
toomany = true;
else
ncs = findfile(filename,md5sum,true);
if (ncs != FS_FOUND || toomany)
{
char message[256];
if (ncs == FS_NOTFOUND)
if (toomany)
sprintf(message, M_GetText("Too many files loaded to add %s\n"), filename);
else if (ncs == FS_NOTFOUND)
sprintf(message, M_GetText("The server doesn't have %s\n"), filename);
else if (ncs == FS_MD5SUMBAD)
sprintf(message, M_GetText("Checksum mismatch on %s\n"), filename);
@ -3180,10 +3198,15 @@ static void Got_Addfilecmd(UINT8 **cp, INT32 playernum)
ncs = findfile(filename,md5sum,true);
if (ncs != FS_FOUND)
if (ncs != FS_FOUND || !P_AddWadFile(filename, NULL))
{
Command_ExitGame_f();
if (ncs == FS_NOTFOUND)
if (ncs == FS_FOUND)
{
CONS_Printf(M_GetText("The server tried to add %s,\nbut you have too many files added.\nRestart the game to clear loaded files\nand play on this server."), filename);
M_StartMessage(va("The server added a file \n(%s)\nbut you have too many files added.\nRestart the game to clear loaded files.\n\nPress ESC\n",filename), NULL, MM_NOTHING);
}
else if (ncs == FS_NOTFOUND)
{
CONS_Printf(M_GetText("The server tried to add %s,\nbut you don't have this file.\nYou need to find it in order\nto play on this server."), filename);
M_StartMessage(va("The server added a file \n(%s)\nthat you do not have.\n\nPress ESC\n",filename), NULL, MM_NOTHING);
@ -3201,7 +3224,6 @@ static void Got_Addfilecmd(UINT8 **cp, INT32 playernum)
return;
}
P_AddWadFile(filename, NULL);
G_SetGameModified(true);
}

18
src/d_netfil.c
View file

@ -330,6 +330,12 @@ INT32 CL_CheckFiles(void)
INT32 i, j;
char wadfilename[MAX_WADPATH];
INT32 ret = 1;
size_t packetsize = 0;
size_t filestoget = 0;
serverinfo_pak *dummycheck = NULL;
// Shut the compiler up.
(void)dummycheck;
// if (M_CheckParm("-nofiles"))
// return 1;
@ -378,6 +384,10 @@ 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 +407,14 @@ INT32 CL_CheckFiles(void)
if (fileneeded[i].status != FS_NOTFOUND || !fileneeded[i].important)
continue;
packetsize += nameonlylength(fileneeded[i].filename) + 22;
if ((numwadfiles+filestoget >= MAX_WADFILES)
|| (packetsize > sizeof(dummycheck->fileneeded)))
return 3;
filestoget++;
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)