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Differential D44907

geli.8: minor proofreading
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Authored by asomers on Apr 22 2024, 9:12 PM.
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pauamma_gundo.com
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rG51bee6ab6535: geli.8: minor proofreading
rG1c5b58a71718: geli.8: minor proofreading
rGc0f02dcd4c9c: geli.8: minor proofreading
Summary

MFC after: 3 days
Sponsored by: Axcient

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rG FreeBSD src repository
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Lint Not Applicable
Unit
Tests Not Applicable

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lib/
geom/
eli/
6 lines

Diff 137527

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lib/geom/eli/geli.8

  • This file was added.
#include <atf-c.h>
#include <alias.h>
#include <stdio.h>
#include <stdlib.h>
#include "util.h"
ATF_TC_WITHOUT_HEAD(1_portforward);
ATF_TC_BODY(1_portforward, dummy)
{
struct libalias *la = LibAliasInit(NULL);
struct alias_link *pf1, *pf2, *pf3, *pf4;
struct ip *p;
struct udphdr *u;
ATF_REQUIRE(la != NULL);
LibAliasSetAddress(la, masq);
LibAliasSetMode(la, PKT_ALIAS_RESET_ON_ADDR_CHANGE, ~0);
LibAliasSetMode(la, PKT_ALIAS_DENY_INCOMING, PKT_ALIAS_DENY_INCOMING);
/*
* Fully specified
*/
pf1 = LibAliasRedirectPort(la, prv1, ntohs(0x1234), ext, ntohs(0x5678), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf1 != NULL);
p = ip_packet(0, 64);
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
/* try again */
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
/* different source */
UDP_UNNAT_FAIL(p, u, pub, 0x5678, masq, 0xabcd);
UDP_UNNAT_FAIL(p, u, ext, 0xdead, masq, 0xabcd);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
/* delete and try again */
LibAliasRedirectDelete(la, pf1);
UDP_UNNAT_FAIL(p, u, ext, 0x5678, masq, 0xabcd);
/*
* Any external port
*/
pf2 = LibAliasRedirectPort(la, prv2, ntohs(0x1234), ext, ntohs(0), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf2 != NULL);
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, prv2);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* try again */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, prv2);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* different source */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_FAIL(p, pub, masq);
u = set_udp(p, 0xdead, 0xabcd);
UNNAT_CHECK(p, ext, masq, prv2);
ATF_CHECK(u->uh_sport == ntohs(0xdead));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
LibAliasRedirectDelete(la, pf2);
/* try again, but not the existing flow */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_FAIL(p, ext, masq);
/*
* Any external host
*/
pf3 = LibAliasRedirectPort(la, prv3, ntohs(0x1234), ANY_ADDR, ntohs(0x5678), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf3 != NULL);
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, prv3);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* try again */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, prv3);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* different source */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, pub, masq, prv3);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
u = set_udp(p, 0xdead, 0xabcd);
UNNAT_FAIL(p, ext, masq);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
LibAliasRedirectDelete(la, pf3);
/* try again, but not the existing flow */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_FAIL(p, ext, masq);
/*
* Any external host, any port
*/
pf4 = LibAliasRedirectPort(la, cgn, ntohs(0x1234), ANY_ADDR, ntohs(0), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf4 != NULL);
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, cgn);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* try again */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, ext, masq, cgn);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* different source */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_CHECK(p, pub, masq, cgn);
ATF_CHECK(u->uh_sport == ntohs(0x5678));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
u = set_udp(p, 0xdead, 0xabcd);
UNNAT_CHECK(p, ext, masq, cgn);
ATF_CHECK(u->uh_sport == ntohs(0xdead));
ATF_CHECK(u->uh_dport == ntohs(0x1234));
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
LibAliasRedirectDelete(la, pf4);
/* try again, but not the existing flow */
u = set_udp(p, 0x5678, 0xabcd);
UNNAT_FAIL(p, ext, masq);
free(p);
LibAliasUninit(la);
}
ATF_TC_WITHOUT_HEAD(2_portoverlap);
ATF_TC_BODY(2_portoverlap, dummy)
{
struct libalias *la = LibAliasInit(NULL);
struct alias_link *pf1, *pf2, *pf3, *pf4;
struct ip *p;
struct udphdr *u;
ATF_REQUIRE(la != NULL);
LibAliasSetAddress(la, masq);
LibAliasSetMode(la, PKT_ALIAS_RESET_ON_ADDR_CHANGE, ~0);
LibAliasSetMode(la, PKT_ALIAS_DENY_INCOMING, PKT_ALIAS_DENY_INCOMING);
/*
* Fully specified
*/
pf1 = LibAliasRedirectPort(la, prv2, ntohs(0x1234), ext, ntohs(0x5678), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf1 != NULL);
p = ip_packet(0, 64);
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv2, 0x1234);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
/*
* Fully specified (override)
*/
pf1 = LibAliasRedirectPort(la, prv1, ntohs(0x1234), ext, ntohs(0x5678), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf1 != NULL);
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
/*
* Any external port
*/
pf2 = LibAliasRedirectPort(la, prv2, ntohs(0x1234), ext, ntohs(0), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf2 != NULL);
UDP_UNNAT_CHECK(p, u, ext, 0x5679, masq, 0xabcd, prv2, 0x1234);
/* more specific rule wins */
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
/*
* Any external host
*/
pf3 = LibAliasRedirectPort(la, prv3, ntohs(0x1234), ANY_ADDR, ntohs(0x5678), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf3 != NULL);
UDP_UNNAT_CHECK(p, u, pub, 0x5678, masq, 0xabcd, prv3, 0x1234);
/* more specific rule wins */
UDP_UNNAT_CHECK(p, u, ext, 0x5679, masq, 0xabcd, prv2, 0x1234);
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
/* clear table by keeping the address */
LibAliasSetAddress(la, ext);
LibAliasSetAddress(la, masq);
/*
* Any external host, any port
*/
pf4 = LibAliasRedirectPort(la, cgn, ntohs(0x1234), ANY_ADDR, ntohs(0), masq, ntohs(0xabcd), IPPROTO_UDP);
ATF_REQUIRE(pf4 != NULL);
UDP_UNNAT_CHECK(p, u, prv1, 0x5679, masq, 0xabcd, cgn, 0x1234);
/* more specific rule wins */
UDP_UNNAT_CHECK(p, u, pub, 0x5678, masq, 0xabcd, prv3, 0x1234);
UDP_UNNAT_CHECK(p, u, ext, 0x5679, masq, 0xabcd, prv2, 0x1234);
UDP_UNNAT_CHECK(p, u, ext, 0x5678, masq, 0xabcd, prv1, 0x1234);
free(p);
LibAliasUninit(la);
}
ATF_TP_ADD_TCS(natin)
{
/* Use "dd if=/dev/random bs=2 count=1 | od -x" to reproduce */
srand(0xe859);
ATF_TP_ADD_TC(natin, 1_portforward);
ATF_TP_ADD_TC(natin, 2_portoverlap);
return atf_no_error();
}