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selftest: mitm-s4u2self: use zlib for CRC32_checksum calc

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=14202

Signed-off-by: Isaac Boukris <iboukris@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Isaac Boukris 2019-11-12 12:00:34 +01:00 committed by Isaac Boukris
parent 88bf0c5720
commit 151f8c0f31
1 changed files with 13 additions and 6 deletions
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19
source4/torture/krb5/kdc-canon-heimdal.c
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@ -33,6 +33,7 @@
#include "auth/auth_sam_reply.h"
#include "auth/gensec/gensec.h"
#include "param/param.h"
#include "zlib.h"
#define TEST_CANONICALIZE 0x0000001
#define TEST_ENTERPRISE 0x0000002
@ -214,6 +215,17 @@ static bool test_accept_ticket(struct torture_context *tctx,
return true;
}
static void
zCRC32_checksum(const void *data,
size_t len,
Checksum *C)
{
uint32_t *crc = C->checksum.data;
*crc = ~(crc32(0xffffffff, data, len));
C->checksum.length = 4;
C->cksumtype = 1;
}
krb5_error_code
_krb5_s4u2self_to_checksumdata(krb5_context context,
const PA_S4U2Self *self,
@ -252,11 +264,7 @@ static bool change_for_user_principal(struct torture_krb5_context *test_context,
torture_assert_int_equal(test_context->tctx,
_krb5_s4u2self_to_checksumdata(k5_ctx, &mod_self, &cksum_data),
0, "_krb5_s4u2self_to_checksumdata() failed");
torture_assert_int_equal(test_context->tctx,
krb5_create_checksum(k5_ctx, NULL, KRB5_KU_OTHER_CKSUM,
CKSUMTYPE_CRC32, cksum_data.data,
cksum_data.length, &mod_self.cksum),
0, "krb5_create_checksum() failed");
zCRC32_checksum(cksum_data.data, cksum_data.length, &mod_self.cksum);
ASN1_MALLOC_ENCODE(PA_S4U2Self, for_user->padata_value.data, for_user->padata_value.length,
&mod_self, &used, ret);
@ -270,7 +278,6 @@ static bool change_for_user_principal(struct torture_krb5_context *test_context,
free_PA_S4U2Self(&self);
krb5_data_free(&cksum_data);
free_Checksum(&mod_self.cksum);
return true;
}