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Merge pull request #1981 from hiura2023/master
Fix 'RemoveDefGwOnDhcpForLocalhost' function No.2: Change the minimum size of DHCP reply
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commit
5cf45ad62b
@ -4168,6 +4168,7 @@ BUF *DhcpModify(DHCP_MODIFY_OPTION *m, void *data, UINT size)
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LIST *opt_list2 = NULL;
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UINT src_size = size;
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UINT i;
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UINT dhcp_min_size;
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// Validate arguments
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if (m == NULL || data == NULL || size == 0)
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{
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@ -4270,11 +4271,13 @@ BUF *DhcpModify(DHCP_MODIFY_OPTION *m, void *data, UINT size)
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// Rewrite if anything changes. Do not rewrite if there is no change
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ret_ok = true;
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if (ret->Size < DHCP_MIN_SIZE)
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// If src_size is greater than DHCP_MIN_SIZE, then use the src_size as minimum size of DHCP.
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dhcp_min_size = MAX(src_size, DHCP_MIN_SIZE);
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if (ret->Size < dhcp_min_size)
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{
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// Padding
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UCHAR *pad_buf;
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UINT pad_size = DHCP_MIN_SIZE - ret->Size;
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UINT pad_size = dhcp_min_size - ret->Size;
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pad_buf = ZeroMalloc(pad_size);
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