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Command_Addfile: add "too many files" and already-loaded checks and respective error messages

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No more shall the server be kicked from their own servers for re-adding a wad by accident!
This commit is contained in:
Monster Iestyn 2017-12-18 21:17:37 +00:00
parent 47a06ffda5
commit d576453b56
1 changed files with 32 additions and 0 deletions
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32
src/d_netcmd.c
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@ -3012,8 +3012,31 @@ static void Command_Addfile(void)
if (*p == '\\' || *p == '/' || *p == ':')
break;
++p;
// check total packet size and no of files currently loaded
{
size_t packetsize = 0;
serverinfo_pak *dummycheck = NULL;
// Shut the compiler up.
(void)dummycheck;
// See W_LoadWadFile in w_wad.c
for (i = 0; i < numwadfiles; i++)
packetsize += nameonlylength(wadfiles[i]->filename) + 22;
packetsize += nameonlylength(fn) + 22;
if ((numwadfiles >= MAX_WADFILES)
|| (packetsize > sizeof(dummycheck->fileneeded)))
{
CONS_Alert(CONS_ERROR, M_GetText("Too many files loaded to add %s\n"), fn);
return;
}
}
WRITESTRINGN(buf_p,p,240);
// calculate and check md5
{
UINT8 md5sum[16];
#ifdef NOMD5
@ -3031,6 +3054,15 @@ static void Command_Addfile(void)
}
else // file not found
return;
for (i = 0; i < numwadfiles; i++)
{
if (!memcmp(wadfiles[i]->md5sum, md5sum, 16))
{
CONS_Alert(CONS_ERROR, M_GetText("%s is already loaded\n"), fn);
return;
}
}
#endif
WRITEMEM(buf_p, md5sum, 16);
}