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@@ -207,7 +207,7 @@ index b05b609..c2216b0 100644
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+ struct icmphdr *ih = (struct icmphdr*)(((u8*)dsth) + dsth->ihl * 4);
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+
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+ /* use icmp identifier as port */
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-+ if (((u8*)&ih) <= end &&
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++ if (((u8*)&ih) <= end && (
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+ (use_dest_addr && (
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+ ih->type == ICMP_ECHOREPLY ||
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+ ih->type == ICMP_TIMESTAMPREPLY ||
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@@ -218,7 +218,7 @@ index b05b609..c2216b0 100644
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+ ih->type == ICMP_TIMESTAMP ||
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+ ih->type == ICMP_INFO_REQUEST ||
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+ ih->type == ICMP_ADDRESS)
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-+ ))
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++ )))
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+ portp = (u8*)&ih->un.echo.id;
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+ }
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+
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