/// @test Test ironbee library - transformation registration
TEST(TestIronBee, test_tfn)
{
ib_engine_t *ib;
ib_status_t rc;
ib_tfn_t *tfn = (ib_tfn_t *)-1;
ib_flags_t flags;
uint8_t data_in[128];
ib_field_t *fin;
const ib_field_t *fout;
ib_bytestr_t *bs;
ibtest_engine_create(&ib);
ASSERT_EQ(IB_OK, ib_tfn_register(ib, "foo2bar", foo2bar,
IB_TFN_FLAG_NONE, NULL));
ASSERT_EQ(IB_OK, ib_tfn_lookup(ib, "foo2bar", &tfn));
ASSERT_NE((ib_tfn_t *)-1, tfn);
ASSERT_TRUE(tfn);
ib_bytestr_dup_nulstr(&bs, ib->mp, "foo");
fin = NULL;
ib_field_create(
&fin, ib->mp, IB_FIELD_NAME("ByteStr"),
IB_FTYPE_BYTESTR, ib_ftype_bytestr_in(bs)
);
fout = NULL;
flags = 0;
rc = ib_tfn_transform(ib, ib->mp, tfn, fin, &fout, &flags);
ASSERT_EQ(rc, IB_OK);
ASSERT_NE((ib_tfn_t *)-1, tfn);
ASSERT_TRUE(IB_TFN_CHECK_FMODIFIED(flags));
ASSERT_NE(fin, fout);
strcpy((char *)data_in, "foo");
fin = NULL;
ib_field_create(
&fin, ib->mp, IB_FIELD_NAME("NulStr"),
IB_FTYPE_NULSTR,
ib_ftype_nulstr_in((char *)data_in)
);
fout = NULL;
flags = 0;
rc = ib_tfn_transform(ib, ib->mp, tfn, fin, &fout, &flags);
ASSERT_EQ(rc, IB_OK);
ASSERT_NE((ib_tfn_t *)-1, tfn);
ASSERT_TRUE(IB_TFN_CHECK_FMODIFIED(flags));
ASSERT_NE(fin, fout);
ibtest_engine_destroy(ib);
}
ib_status_t ib_tfn_transform_field(ib_tfn_t *tfn,
ib_field_t *f,
ib_flags_t *pflags)
{
IB_FTRACE_INIT(ib_tfn_transform);
ib_bytestr_t *bs;
char *str;
uint8_t *data_out;
size_t dlen_out;
ib_status_t rc;
switch(f->type) {
case IB_FTYPE_BYTESTR:
bs = ib_field_value_bytestr(f);
rc = tfn->transform(tfn->fndata,
f->mp,
ib_bytestr_ptr(bs),
ib_bytestr_length(bs),
&data_out,
&dlen_out,
pflags);
/* If it is modified and not done inplace, then the
* field value needs to be updated.
*/
if ( IB_TFN_CHECK_FMODIFIED(*pflags)
&& !IB_TFN_CHECK_FINPLACE(*pflags))
{
ib_bytestr_t *bs_new;
rc = ib_bytestr_alias_mem(&bs_new, f->mp, data_out, dlen_out);
if (rc != IB_OK) {
IB_FTRACE_RET_STATUS(rc);
}
rc = ib_field_setv(f, bs_new);
}
IB_FTRACE_RET_STATUS(rc);
case IB_FTYPE_NULSTR:
str = ib_field_value_nulstr(f),
rc = tfn->transform(tfn->fndata,
f->mp,
(uint8_t *)str,
strlen(str),
&data_out,
&dlen_out,
pflags);
/* If it is modified and not done inplace, then the
* field value needs to be updated.
*
* NOTE: Anytime a transformation modifies data it
* MUST NUL terminate the data and it is a bug
* if this is not done.
*/
if ( IB_TFN_CHECK_FMODIFIED(*pflags)
&& !IB_TFN_CHECK_FINPLACE(*pflags))
{
rc = ib_field_setv(f, data_out);
}
IB_FTRACE_RET_STATUS(rc);
}
IB_FTRACE_RET_STATUS(IB_EINVAL);
}