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server: reject invalid spectator targets safely #1721

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server: reject invalid spectator targets safely #1721

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7 changes: 6 additions & 1 deletion src/game/server.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7628,7 +7628,12 @@ namespace server
int sn = getint(p), val = getint(p);
clientinfo *cp = (clientinfo *)getinfo(sn);

if(!cp || (val ? (cp->state == CS_SPECTATOR || cp->actortype > A_PLAYER) : cp->state != CS_SPECTATOR))
if(!cp)
{
srvmsgf(ci->clientnum, colourorange, "Sync error: unable to modify spectator - %d - invalid", sn);
break;
}
if(val ? (cp->state == CS_SPECTATOR || cp->actortype > A_PLAYER) : cp->state != CS_SPECTATOR)
{
srvmsgf(ci->clientnum, colourorange, "Sync error: %s unable to modify spectator - %d [%d, %d] - invalid", colourname(cp), cp->state, cp->lastdeath, gamemillis);
break;
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