Send an ICMP packet indicating destination unreachable/protocol
unreachable if we don't handle the packet in the kernel and not in userspace. MFC after: 1 week
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e60dd0e86a
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6d7270a580
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=300687
@ -71,6 +71,7 @@ __FBSDID("$FreeBSD$");
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/ip_mroute.h>
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#include <netinet/ip_icmp.h>
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#ifdef IPSEC
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#include <netipsec/ipsec.h>
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@ -416,8 +417,10 @@ rip_input(struct mbuf **mp, int *offp, int proto)
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if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) {
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IPSTAT_INC(ips_noproto);
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IPSTAT_DEC(ips_delivered);
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icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 0, 0);
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} else {
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m_freem(m);
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}
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m_freem(m);
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}
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return (IPPROTO_DONE);
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}
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