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Add or adjust a bunch of safety checks (#433)

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This commit is contained in:
Vincent Herbet
2018-08-26 17:18:39 +02:00
committed by GitHub
parent 8aeefc3fca
commit 9bcabfeb1f
14 changed files with 156 additions and 86 deletions
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2
modules/cstrike/cstrike/CstrikeNatives.cpp
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@@ -882,7 +882,7 @@ static cell AMX_NATIVE_CALL cs_set_user_model(AMX *amx, cell *params)
GET_OFFSET("CBasePlayer", m_modelIndexPlayer);
char modelpath[260];
char modelpath[PLATFORM_MAX_PATH];
ke::SafeSprintf(modelpath, sizeof(modelpath), "models/player/%s/%s.mdl", newModel, newModel);
auto modelIndex = 0;

5
modules/cstrike/cstrike/CstrikeUtils.cpp
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@@ -13,12 +13,13 @@
#include "amxxmodule.h"
#include <amtl/am-algorithm.h>
#include <amtl/am-string.h>
extern int MessageIdTextMsg;
bool UTIL_IsPlayer(edict_t *pPlayer)
{
return strcmp(STRING(pPlayer->v.classname), "player") == 0;
return pPlayer && strcmp(STRING(pPlayer->v.classname), "player") == 0;
}
void UTIL_TextMsg_Generic(edict_t* pPlayer, const char* message)
@@ -36,7 +37,7 @@ bool UTIL_CheckForPublic(const char *publicname)
int i = 0;
char blah[64];
strncpy(blah, publicname, sizeof(blah) - 1);
ke::SafeStrcpy(blah, sizeof(blah), publicname);
while ((amx = MF_GetScriptAmx(i++)))
{

12
modules/cstrike/cstrike/CstrikeUtils.h
View File

@@ -49,6 +49,10 @@ void UTIL_StringToLower(const char *str, char *buffer, size_t maxlength);
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d (not in-game)", x); \
return 0; \
} \
else if (!MF_GetPlayerEdict(x)->pvPrivateData) { \
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d (no private data)", x); \
return 0; \
} \
} else { \
if (x != 0 && FNullEnt(TypeConversion.id_to_edict(x))) { \
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid entity %d", x); \
@@ -62,8 +66,12 @@ void UTIL_StringToLower(const char *str, char *buffer, size_t maxlength);
MF_LogError(amx, AMX_ERR_NATIVE, "Player out of range (%d)", x); \
return 0; \
} else { \
if (!MF_IsPlayerIngame(x) || FNullEnt(MF_GetPlayerEdict(x))) { \
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d", x); \
if (!MF_IsPlayerIngame(x)) { \
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d (not in-game)", x); \
return 0; \
} \
else if (!MF_GetPlayerEdict(x)->pvPrivateData) { \
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid player %d (no private data)", x); \
return 0; \
} \
}