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Write/Read flags field directly to/from variable

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This commit is contained in:
Sansar Choinyambuu
2011-11-28 15:18:00 +01:00
committed by Andreas Steffen
parent d2a905ea98
commit 157c9c173d
2 changed files with 5 additions and 85 deletions
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src/libpts/tcg/tcg_pts_attr_simple_comp_evid.c
+3 -41
View File
@@ -241,28 +241,10 @@ METHOD(pa_tnc_attr_t, build, void,
private_tcg_pts_attr_simple_comp_evid_t *this)
{
bio_writer_t *writer;
u_int8_t flags = 0, qualifier = 0;
u_int8_t qualifier = 0;
writer = bio_writer_create(PTS_SIMPLE_COMP_EVID_SIZE);
/* Determine the flags to set*/
if (this->pcr_info_included)
{
flags += 128;
}
if (this->flags == PTS_SIMPLE_COMP_EVID_FLAG_NO_VER)
{
flags += 32;
}
else if (this->flags == PTS_SIMPLE_COMP_EVID_FLAG_VER_FAIL)
{
flags += 64;
}
else if (this->flags == PTS_SIMPLE_COMP_EVID_FLAG_VER_PASS)
{
flags += 96;
}
writer->write_uint8(writer, flags);
writer->write_uint8(writer, this->flags);
writer->write_uint24 (writer, this->depth);
writer->write_uint24 (writer, this->comp_vendor_id);
@@ -341,27 +323,7 @@ METHOD(pa_tnc_attr_t, process, status_t,
reader = bio_reader_create(this->value);
reader->read_uint8(reader, &flags);
/* Determine the flags to set*/
if ((flags >> 7) & 1)
{
this->pcr_info_included = TRUE;
}
if (!((flags >> 6) & 1) && !((flags >> 5) & 1))
{
this->flags = PTS_SIMPLE_COMP_EVID_FLAG_NO_VALID;
}
else if (!((flags >> 6) & 1) && ((flags >> 5) & 1))
{
this->flags = PTS_SIMPLE_COMP_EVID_FLAG_NO_VER;
}
else if (((flags >> 6) & 1) && !((flags >> 5) & 1))
{
this->flags = PTS_SIMPLE_COMP_EVID_FLAG_VER_FAIL;
}
else if (((flags >> 6) & 1) && ((flags >> 5) & 1))
{
this->flags = PTS_SIMPLE_COMP_EVID_FLAG_VER_PASS;
}
this->flags = flags;
reader->read_uint24(reader, &this->depth);
reader->read_uint24(reader, &this->comp_vendor_id);
src/libpts/tcg/tcg_pts_attr_simple_evid_final.c
+2 -44
View File
@@ -142,29 +142,9 @@ METHOD(pa_tnc_attr_t, build, void,
private_tcg_pts_attr_simple_evid_final_t *this)
{
bio_writer_t *writer;
u_int8_t flags = 0;
writer = bio_writer_create(PTS_SIMPLE_EVID_FINAL_SIZE);
/* Determine the flags to set*/
if (this->flags == PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO)
{
flags += 64;
}
else if (this->flags == PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO2)
{
flags += 128;
}
else if (this->flags == PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO2_CAP_VER)
{
flags += 192;
}
if (this->evid_sign_included)
{
flags += 32;
}
writer->write_uint8 (writer, flags);
writer->write_uint8 (writer, this->flags);
writer->write_uint8 (writer, PTS_SIMPLE_EVID_FINAL_RESERVED);
/* Optional fields */
@@ -208,31 +188,9 @@ METHOD(pa_tnc_attr_t, process, status_t,
reader = bio_reader_create(this->value);
reader->read_uint8(reader, &flags);
this->flags = flags;
reader->read_uint8(reader, &reserved);
/* Determine the flags to set*/
if ((flags >> 5) & 1)
{
this->flags |= PTS_SIMPLE_EVID_FINAL_FLAG_EVID;
}
if (!((flags >> 6) & PTS_SIMPLE_EVID_FINAL_FLAG_NO))
{
this->flags = PTS_SIMPLE_EVID_FINAL_FLAG_NO;
}
else if (!((flags >> 7) & 1) && ((flags >> 6) & 1))
{
this->flags = PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO;
}
else if (((flags >> 7) & 1) && !((flags >> 6) & 1))
{
this->flags = PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO2;
}
else if (((flags >> 7) & 1) && ((flags >> 6) & 1))
{
this->flags = PTS_SIMPLE_EVID_FINAL_FLAG_TPM_QUOTE_INFO2_CAP_VER;
}
/* Optional Composite Hash Algorithm and TPM PCR Composite field is included */
if ((flags >> 6) & PTS_SIMPLE_EVID_FINAL_FLAG_NO)
{