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upstream: test compat_kex_proposal(); by dtucker@

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OpenBSD-Regress-ID: 0e404ee264db546f9fdbf53390689ab5f8d38bf2
This commit is contained in:
djm@openbsd.org 2023-02-02 12:12:52 +00:00 committed by Damien Miller
parent 405fba7196
commit 903c556b93
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3 changed files with 84 additions and 3 deletions
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4
regress/unittests/kex/Makefile
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@ -1,7 +1,7 @@
# $OpenBSD: Makefile,v 1.13 2023/01/15 23:35:10 djm Exp $ # $OpenBSD: Makefile,v 1.14 2023/02/02 12:12:52 djm Exp $
PROG=test_kex PROG=test_kex
SRCS=tests.c test_kex.c SRCS=tests.c test_kex.c test_proposal.c
# From usr.bin/ssh # From usr.bin/ssh
SRCS+=sshbuf-getput-basic.c sshbuf-getput-crypto.c sshbuf-misc.c sshbuf.c SRCS+=sshbuf-getput-basic.c sshbuf-getput-crypto.c sshbuf-misc.c sshbuf.c

79
regress/unittests/kex/test_proposal.c Normal file
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@ -0,0 +1,79 @@
/* $OpenBSD: test_proposal.c,v 1.1 2023/02/02 12:12:52 djm Exp $ */
/*
* Regress test KEX
*
* Placed in the public domain
*/
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "test_helper.h"
#include "compat.h"
#include "ssherr.h"
#include "sshbuf.h"
#include "kex.h"
#include "packet.h"
#include "xmalloc.h"
void kex_proposal(void);
#define CURVE25519 "curve25519-sha256@libssh.org"
#define DHGEX1 "diffie-hellman-group-exchange-sha1"
#define DHGEX256 "diffie-hellman-group-exchange-sha256"
#define KEXALGOS CURVE25519","DHGEX256","DHGEX1
void
kex_proposal(void)
{
size_t i;
struct ssh ssh;
char *result, *out, *in;
struct {
char *in; /* TODO: make this const */
char *out;
int compat;
} tests[] = {
{ KEXALGOS, KEXALGOS, 0},
{ KEXALGOS, DHGEX256","DHGEX1, SSH_BUG_CURVE25519PAD },
{ KEXALGOS, CURVE25519, SSH_OLD_DHGEX },
{ "a,"KEXALGOS, "a", SSH_BUG_CURVE25519PAD|SSH_OLD_DHGEX },
/* TODO: enable once compat_kex_proposal doesn't fatal() */
/* { KEXALGOS, "", SSH_BUG_CURVE25519PAD|SSH_OLD_DHGEX }, */
};
TEST_START("compat_kex_proposal");
for (i = 0; i < sizeof(tests) / sizeof(*tests); i++) {
ssh.compat = tests[i].compat;
/* match entire string */
result = compat_kex_proposal(&ssh, tests[i].in);
ASSERT_STRING_EQ(result, tests[i].out);
free(result);
/* match at end */
in = kex_names_cat("a", tests[i].in);
out = kex_names_cat("a", tests[i].out);
result = compat_kex_proposal(&ssh, in);
ASSERT_STRING_EQ(result, out);
free(result); free(in); free(out);
/* match at start */
in = kex_names_cat(tests[i].in, "a");
out = kex_names_cat(tests[i].out, "a");
result = compat_kex_proposal(&ssh, in);
ASSERT_STRING_EQ(result, out);
free(result); free(in); free(out);
/* match in middle */
xasprintf(&in, "a,%s,b", tests[i].in);
if (*(tests[i].out) == '\0')
out = xstrdup("a,b");
else
xasprintf(&out, "a,%s,b", tests[i].out);
result = compat_kex_proposal(&ssh, in);
ASSERT_STRING_EQ(result, out);
free(result); free(in); free(out);
}
TEST_DONE();
}

4
regress/unittests/kex/tests.c
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@ -1,4 +1,4 @@
/* $OpenBSD: tests.c,v 1.1 2015/01/15 23:41:29 markus Exp $ */ /* $OpenBSD: tests.c,v 1.2 2023/02/02 12:12:52 djm Exp $ */
/* /*
* Placed in the public domain * Placed in the public domain
*/ */
@ -6,9 +6,11 @@
#include "../test_helper/test_helper.h" #include "../test_helper/test_helper.h"
void kex_tests(void); void kex_tests(void);
void kex_proposal(void);
void void
tests(void) tests(void)
{ {
kex_tests(); kex_tests();
kex_proposal();
} }