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Add socket protocol+type validation #3463

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Merged
josesimoes merged 1 commit into from
Jul 10, 2026
Merged

Add socket protocol+type validation #3463

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8 changes: 8 additions & 0 deletions src/PAL/Lwip/lwIP_Sockets.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -374,6 +374,14 @@ SOCK_SOCKET LWIP_SOCKETS_Driver::Socket(int family, int type, int protocol)
{
NATIVE_PROFILE_PAL_NETWORK();

// Validate socket type+protocol combination
if ((type == SOCK_SOCK_STREAM && protocol != SOCK_IPPROTO_TCP && protocol != SOCK_IPPROTO_IP) ||
(type == SOCK_SOCK_DGRAM && protocol != SOCK_IPPROTO_UDP && protocol != SOCK_IPPROTO_IP))
{
errorCode = EPROTONOSUPPORT;
return SOCK_SOCKET_ERROR;
}

switch (family)
{
case SOCK_AF_INET:
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