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drivers, wiznet5k: Fix IP addr verification.
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drivers/wiznet5k/ethernet/socket.c

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -195,8 +195,8 @@ int8_t connect(uint8_t sn, uint8_t * addr, uint16_t port)
195195
taddr = ((uint32_t)addr[0] & 0x000000FF);
196196
taddr = (taddr << 8) + ((uint32_t)addr[1] & 0x000000FF);
197197
taddr = (taddr << 8) + ((uint32_t)addr[2] & 0x000000FF);
198-
taddr = (taddr << 8) + ((uint32_t)addr[0] & 0x000000FF);
199-
if( taddr == 0xFFFFFFFF || taddr == 0) return SOCKERR_IPINVALID;
198+
taddr = (taddr << 8) + ((uint32_t)addr[3] & 0x000000FF);
199+
if (taddr == 0xFFFFFFFF || taddr == 0) return SOCKERR_IPINVALID;
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}
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//
202202

@@ -369,9 +369,9 @@ int32_t sendto(uint8_t sn, uint8_t * buf, uint16_t len, uint8_t * addr, uint16_t
369369
taddr = (taddr << 8) + ((uint32_t)addr[1] & 0x000000FF);
370370
taddr = (taddr << 8) + ((uint32_t)addr[2] & 0x000000FF);
371371
taddr = (taddr << 8) + ((uint32_t)addr[3] & 0x000000FF);
372+
if (taddr == 0xFFFFFFFF || taddr == 0) return SOCKERR_IPINVALID;
372373
}
373374
//
374-
if(*((uint32_t*)addr) == 0) return SOCKERR_IPINVALID;
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if(port == 0) return SOCKERR_PORTZERO;
376376
tmp = getSn_SR(sn);
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if(tmp != SOCK_MACRAW && tmp != SOCK_UDP) return SOCKERR_SOCKSTATUS;

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