tpm: Auto-detection of legacy TPM 2.0 devices
This commit is contained in:
parent
3ef5b23903
commit
3e5a528aec
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@ -318,8 +318,8 @@ METHOD(pts_t, get_tpm, tpm_tss_t*,
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METHOD(pts_t, get_tpm_version_info, bool,
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private_pts_t *this, chunk_t *info)
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{
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*info = this->tpm ? this->tpm->get_version_info(this->tpm) :
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this->tpm_version_info;
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*info = this->tpm_version_info;
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return info->len > 0;
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}
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@ -369,7 +369,8 @@ METHOD(pts_t, set_tpm_version_info, void,
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this->tpm_version = TPM_VERSION_2_0;
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if (reader->read_uint16(reader, &reserved) &&
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if (reader->read_uint8 (reader, &reserved) &&
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reader->read_uint8 (reader, &locality) &&
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reader->read_uint32(reader, &revision) &&
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reader->read_uint32(reader, &year) &&
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reader->read_data (reader, 4, &vendor))
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@ -838,12 +839,29 @@ METHOD(pts_t, verify_quote_signature, bool,
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return TRUE;
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}
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/**
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* Extracts the locality from a TPM 2.0 Version Info struct
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*/
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static uint8_t get_tpm_locality(chunk_t tpm_version_info)
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{
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if (tpm_version_info.len < 4 ||
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tpm_version_info.ptr[0] != 0x02 || tpm_version_info.ptr[1] != 0x00)
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{
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return 0;
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}
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else
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{
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return tpm_version_info.ptr[3];
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}
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}
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METHOD(pts_t, get_pcrs, pts_pcr_t*,
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private_pts_t *this)
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{
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if (!this->pcrs)
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{
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this->pcrs = pts_pcr_create(this->tpm_version, this->algorithm);
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this->pcrs = pts_pcr_create(this->tpm_version, this->algorithm,
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get_tpm_locality(this->tpm_version_info));
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}
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return this->pcrs;
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}
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@ -912,6 +930,7 @@ pts_t *pts_create(bool is_imc)
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{
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this->proto_caps |= PTS_PROTO_CAPS_T | PTS_PROTO_CAPS_D;
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this->tpm_version = this->tpm->get_version(this->tpm);
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this->tpm_version_info = this->tpm->get_version_info(this->tpm);
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load_aik(this);
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}
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}
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@ -259,7 +259,8 @@ METHOD(pts_pcr_t, destroy, void,
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/**
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* See header
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*/
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pts_pcr_t *pts_pcr_create(tpm_version_t tpm_version, pts_meas_algorithms_t algo)
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pts_pcr_t *pts_pcr_create(tpm_version_t tpm_version, pts_meas_algorithms_t algo,
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uint8_t locality)
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{
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private_pts_pcr_t *this;
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hash_algorithm_t hash_alg;
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@ -302,8 +303,6 @@ pts_pcr_t *pts_pcr_create(tpm_version_t tpm_version, pts_meas_algorithms_t algo)
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/* Set locality indicator in PCR[0] */
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if (tpm_version == TPM_VERSION_2_0)
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{
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const uint8_t locality = 3;
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DBG2(DBG_PTS, "TPM 2.0 - locality indicator set to %u",
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(uint32_t)locality);
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this->pcrs[0].ptr[this->pcr_len - 1] = locality;
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@ -122,7 +122,9 @@ struct pts_pcr_t {
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*
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* @param tpm_version TPM version
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* @param algo Hash algorithm used by PCR bank
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* @param locality TPM locality in which the PCR bank was initialized
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*/
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pts_pcr_t* pts_pcr_create(tpm_version_t tpm_version, pts_meas_algorithms_t algo);
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pts_pcr_t* pts_pcr_create(tpm_version_t tpm_version, pts_meas_algorithms_t algo,
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uint8_t locality);
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#endif /** PTS_PCR_H_ @}*/
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@ -185,7 +185,7 @@ static bool is_supported_alg(private_tpm_tss_tss2_t *this, TPM_ALG_ID alg_id)
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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*
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | TPM 2.0 Version_Info Tag | Reserved |
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* | TPM 2.0 Version_Info Tag | Reserved | Locality |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Revision |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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@ -195,8 +195,9 @@ static bool is_supported_alg(private_tpm_tss_tss2_t *this, TPM_ALG_ID alg_id)
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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#define TPM2_VERSION_INFO_TAG 0x0200
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#define TPM2_VERSION_INFO_RESERVED 0x0000
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#define TPM2_VERSION_INFO_RESERVED 0x00
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#define TPM2_VERSION_INFO_SIZE 16
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#define TPM2_DEFAULT_LOCALITY 3
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static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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{
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@ -207,6 +208,7 @@ static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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bio_writer_t *writer;
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bool fips_140_2 = FALSE;
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uint32_t rval, i, offset, revision = 0, year = 0, vendor = 0;
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uint8_t locality = TPM2_DEFAULT_LOCALITY;
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size_t len = BUF_LEN;
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char buf[BUF_LEN], manufacturer[5], vendor_string[17];
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char *pos = buf;
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@ -269,10 +271,17 @@ static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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manufacturer, vendor_string, (float)revision/100, year,
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fips_140_2 ? "FIPS 140-2" : (this->fips_186_4 ? "FIPS 186-4" : ""));
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/* determine if TPM uses old event digest format and a different locality */
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if (streq(manufacturer, "INTC") && revision == 116 && year == 2016)
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{
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locality = 0;
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}
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/* construct TPM 2.0 version_info object */
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writer = bio_writer_create( TPM2_VERSION_INFO_SIZE);
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writer->write_uint16(writer, TPM2_VERSION_INFO_TAG);
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writer->write_uint16(writer, TPM2_VERSION_INFO_RESERVED);
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writer->write_uint8(writer, TPM2_VERSION_INFO_RESERVED);
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writer->write_uint8(writer, locality);
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writer->write_uint32(writer, revision);
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writer->write_uint32(writer, year);
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writer->write_uint32(writer, vendor);
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@ -89,6 +89,11 @@ struct private_tpm_tss_tss2_t {
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*/
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bool fips_186_4;
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/**
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* Does the TPM use the old TCG SHA1-only event digest format
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*/
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bool old_event_digest_format;
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/**
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* Mutex controlling access to the TPM 2.0 context
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*/
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@ -192,7 +197,7 @@ static bool is_supported_alg(private_tpm_tss_tss2_t *this, TPM2_ALG_ID alg_id)
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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*
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | TPM 2.0 Version_Info Tag | Reserved |
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* | TPM 2.0 Version_Info Tag | Reserved | Locality |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Revision |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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@ -202,8 +207,9 @@ static bool is_supported_alg(private_tpm_tss_tss2_t *this, TPM2_ALG_ID alg_id)
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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#define TPM2_VERSION_INFO_TAG 0x0200
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#define TPM2_VERSION_INFO_RESERVED 0x0000
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#define TPM2_VERSION_INFO_RESERVED 0x00
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#define TPM2_VERSION_INFO_SIZE 16
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#define TPM2_DEFAULT_LOCALITY 3
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static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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{
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@ -214,6 +220,7 @@ static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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bio_writer_t *writer;
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bool fips_140_2 = FALSE;
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uint32_t rval, i, offset, revision = 0, year = 0, vendor = 0;
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uint8_t locality = TPM2_DEFAULT_LOCALITY;
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size_t len = BUF_LEN;
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char buf[BUF_LEN], manufacturer[5], vendor_string[17];
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char *pos = buf;
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manufacturer, vendor_string, (float)revision/100, year,
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fips_140_2 ? "FIPS 140-2" : (this->fips_186_4 ? "FIPS 186-4" : ""));
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/* determine if TPM uses old event digest format and a different locality */
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if (streq(manufacturer, "INTC") && revision == 116 && year == 2016)
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{
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this->old_event_digest_format = TRUE;
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locality = 0;
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}
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/* construct TPM 2.0 version_info object */
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writer = bio_writer_create( TPM2_VERSION_INFO_SIZE);
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writer->write_uint16(writer, TPM2_VERSION_INFO_TAG);
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writer->write_uint16(writer, TPM2_VERSION_INFO_RESERVED);
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writer->write_uint8(writer, TPM2_VERSION_INFO_RESERVED);
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writer->write_uint8(writer, locality);
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writer->write_uint32(writer, revision);
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writer->write_uint32(writer, year);
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writer->write_uint32(writer, vendor);
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@ -1306,50 +1321,68 @@ METHOD(tpm_tss_t, get_event_digest, bool,
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hash_algorithm_t hash_alg;
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TPM2_ALG_ID alg_id;
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if (read(fd, &digest_count, 4) != 4)
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if (this->old_event_digest_format)
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{
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return FALSE;
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}
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while (digest_count--)
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{
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if (read(fd, &alg_id, 2) != 2)
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if (alg != HASH_SHA1)
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{
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return FALSE;
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}
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hash_alg = hash_alg_from_tpm_alg_id(alg_id);
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digest_len = HASH_SIZE_SHA1;
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switch (hash_alg)
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*digest = chunk_alloc(digest_len);
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if (read(fd, digest->ptr, digest_len) != digest_len)
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{
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case HASH_SHA1:
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digest_len = HASH_SIZE_SHA1;
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break;
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case HASH_SHA256:
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digest_len = HASH_SIZE_SHA256;
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break;
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case HASH_SHA384:
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digest_len = HASH_SIZE_SHA384;
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break;
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case HASH_SHA512:
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digest_len = HASH_SIZE_SHA512;
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break;
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default:
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DBG2(DBG_PTS, "alg_id: 0x%04x", alg_id);
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return FALSE;
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return FALSE;
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}
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if (hash_alg == alg)
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}
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else
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{
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if (read(fd, &digest_count, 4) != 4)
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{
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*digest = chunk_alloc(digest_len);
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if (read(fd, digest->ptr, digest_len) != digest_len)
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return FALSE;
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}
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while (digest_count--)
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{
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if (read(fd, &alg_id, 2) != 2)
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{
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return FALSE;
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}
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}
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else
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{
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/* read without storing */
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if (read(fd, digest_buf, digest_len) != digest_len)
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hash_alg = hash_alg_from_tpm_alg_id(alg_id);
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switch (hash_alg)
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{
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case HASH_SHA1:
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digest_len = HASH_SIZE_SHA1;
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break;
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case HASH_SHA256:
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digest_len = HASH_SIZE_SHA256;
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break;
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case HASH_SHA384:
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digest_len = HASH_SIZE_SHA384;
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break;
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case HASH_SHA512:
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digest_len = HASH_SIZE_SHA512;
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break;
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default:
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DBG2(DBG_PTS, "alg_id: 0x%04x", alg_id);
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return FALSE;
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}
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if (hash_alg == alg)
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{
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*digest = chunk_alloc(digest_len);
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if (read(fd, digest->ptr, digest_len) != digest_len)
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{
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return FALSE;
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}
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}
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else
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{
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/* read without storing */
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if (read(fd, digest_buf, digest_len) != digest_len)
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{
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return FALSE;
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}
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}
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}
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}
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@ -0,0 +1,228 @@
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#! /bin/bash
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# oval-updater - temporary wrapper script for .libs/oval-updater
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# Generated by libtool (GNU libtool) 2.4.6 Debian-2.4.6-0.1
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#
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# The oval-updater program cannot be directly executed until all the libtool
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# libraries that it depends on are installed.
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#
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# This wrapper script should never be moved out of the build directory.
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# If it is, it will not operate correctly.
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# Sed substitution that helps us do robust quoting. It backslashifies
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# metacharacters that are still active within double-quoted strings.
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sed_quote_subst='s|\([`"$\\]\)|\\\1|g'
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# Be Bourne compatible
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if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
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emulate sh
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NULLCMD=:
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# Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
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# is contrary to our usage. Disable this feature.
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alias -g '${1+"$@"}'='"$@"'
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setopt NO_GLOB_SUBST
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else
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case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
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fi
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BIN_SH=xpg4; export BIN_SH # for Tru64
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DUALCASE=1; export DUALCASE # for MKS sh
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# The HP-UX ksh and POSIX shell print the target directory to stdout
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# if CDPATH is set.
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(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
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relink_command="(cd /home/andi/strongswan/src/oval-updater; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; { test -z \"\${LD_LIBRARY_PATH+set}\" || unset LD_LIBRARY_PATH || { LD_LIBRARY_PATH=; export LD_LIBRARY_PATH; }; }; PATH=/home/andi/bin:/home/andi/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin; export PATH; gcc -I/usr/include/libxml2 -g -O2 -Wall -Wno-format -Wno-format-security -Wno-pointer-sign -include /home/andi/strongswan/config.h -o \$progdir/\$file oval-updater.o oval.o ../../src/libstrongswan/.libs/libstrongswan.so -lxml2 -Wl,-rpath -Wl,/home/andi/strongswan/src/libstrongswan/.libs -Wl,-rpath -Wl,/usr/lib/ipsec)"
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# This environment variable determines our operation mode.
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if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then
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# install mode needs the following variables:
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generated_by_libtool_version='2.4.6'
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notinst_deplibs=' ../../src/libstrongswan/libstrongswan.la'
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else
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# When we are sourced in execute mode, $file and $ECHO are already set.
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if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
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file="$0"
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# A function that is used when there is no print builtin or printf.
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func_fallback_echo ()
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{
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eval 'cat <<_LTECHO_EOF
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$1
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_LTECHO_EOF'
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}
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ECHO="printf %s\\n"
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fi
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# Very basic option parsing. These options are (a) specific to
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# the libtool wrapper, (b) are identical between the wrapper
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# /script/ and the wrapper /executable/ that is used only on
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# windows platforms, and (c) all begin with the string --lt-
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# (application programs are unlikely to have options that match
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# this pattern).
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#
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# There are only two supported options: --lt-debug and
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# --lt-dump-script. There is, deliberately, no --lt-help.
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#
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# The first argument to this parsing function should be the
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# script's ../../libtool value, followed by no.
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lt_option_debug=
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func_parse_lt_options ()
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{
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lt_script_arg0=$0
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shift
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for lt_opt
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do
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case "$lt_opt" in
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--lt-debug) lt_option_debug=1 ;;
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--lt-dump-script)
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lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'`
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test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=.
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lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'`
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cat "$lt_dump_D/$lt_dump_F"
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exit 0
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;;
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--lt-*)
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$ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2
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exit 1
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;;
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esac
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done
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# Print the debug banner immediately:
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if test -n "$lt_option_debug"; then
|
||||
echo "oval-updater:oval-updater:$LINENO: libtool wrapper (GNU libtool) 2.4.6 Debian-2.4.6-0.1" 1>&2
|
||||
fi
|
||||
}
|
||||
|
||||
# Used when --lt-debug. Prints its arguments to stdout
|
||||
# (redirection is the responsibility of the caller)
|
||||
func_lt_dump_args ()
|
||||
{
|
||||
lt_dump_args_N=1;
|
||||
for lt_arg
|
||||
do
|
||||
$ECHO "oval-updater:oval-updater:$LINENO: newargv[$lt_dump_args_N]: $lt_arg"
|
||||
lt_dump_args_N=`expr $lt_dump_args_N + 1`
|
||||
done
|
||||
}
|
||||
|
||||
# Core function for launching the target application
|
||||
func_exec_program_core ()
|
||||
{
|
||||
|
||||
if test -n "$lt_option_debug"; then
|
||||
$ECHO "oval-updater:oval-updater:$LINENO: newargv[0]: $progdir/$program" 1>&2
|
||||
func_lt_dump_args ${1+"$@"} 1>&2
|
||||
fi
|
||||
exec "$progdir/$program" ${1+"$@"}
|
||||
|
||||
$ECHO "$0: cannot exec $program $*" 1>&2
|
||||
exit 1
|
||||
}
|
||||
|
||||
# A function to encapsulate launching the target application
|
||||
# Strips options in the --lt-* namespace from $@ and
|
||||
# launches target application with the remaining arguments.
|
||||
func_exec_program ()
|
||||
{
|
||||
case " $* " in
|
||||
*\ --lt-*)
|
||||
for lt_wr_arg
|
||||
do
|
||||
case $lt_wr_arg in
|
||||
--lt-*) ;;
|
||||
*) set x "$@" "$lt_wr_arg"; shift;;
|
||||
esac
|
||||
shift
|
||||
done ;;
|
||||
esac
|
||||
func_exec_program_core ${1+"$@"}
|
||||
}
|
||||
|
||||
# Parse options
|
||||
func_parse_lt_options "$0" ${1+"$@"}
|
||||
|
||||
# Find the directory that this script lives in.
|
||||
thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'`
|
||||
test "x$thisdir" = "x$file" && thisdir=.
|
||||
|
||||
# Follow symbolic links until we get to the real thisdir.
|
||||
file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'`
|
||||
while test -n "$file"; do
|
||||
destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'`
|
||||
|
||||
# If there was a directory component, then change thisdir.
|
||||
if test "x$destdir" != "x$file"; then
|
||||
case "$destdir" in
|
||||
[\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;;
|
||||
*) thisdir="$thisdir/$destdir" ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
file=`$ECHO "$file" | /bin/sed 's%^.*/%%'`
|
||||
file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'`
|
||||
done
|
||||
|
||||
# Usually 'no', except on cygwin/mingw when embedded into
|
||||
# the cwrapper.
|
||||
WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no
|
||||
if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then
|
||||
# special case for '.'
|
||||
if test "$thisdir" = "."; then
|
||||
thisdir=`pwd`
|
||||
fi
|
||||
# remove .libs from thisdir
|
||||
case "$thisdir" in
|
||||
*[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;;
|
||||
.libs ) thisdir=. ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
# Try to get the absolute directory name.
|
||||
absdir=`cd "$thisdir" && pwd`
|
||||
test -n "$absdir" && thisdir="$absdir"
|
||||
|
||||
program=lt-'oval-updater'
|
||||
progdir="$thisdir/.libs"
|
||||
|
||||
if test ! -f "$progdir/$program" ||
|
||||
{ file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \
|
||||
test "X$file" != "X$progdir/$program"; }; then
|
||||
|
||||
file="$$-$program"
|
||||
|
||||
if test ! -d "$progdir"; then
|
||||
mkdir "$progdir"
|
||||
else
|
||||
rm -f "$progdir/$file"
|
||||
fi
|
||||
|
||||
# relink executable if necessary
|
||||
if test -n "$relink_command"; then
|
||||
if relink_command_output=`eval $relink_command 2>&1`; then :
|
||||
else
|
||||
$ECHO "$relink_command_output" >&2
|
||||
rm -f "$progdir/$file"
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
|
||||
mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null ||
|
||||
{ rm -f "$progdir/$program";
|
||||
mv -f "$progdir/$file" "$progdir/$program"; }
|
||||
rm -f "$progdir/$file"
|
||||
fi
|
||||
|
||||
if test -f "$progdir/$program"; then
|
||||
if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
|
||||
# Run the actual program with our arguments.
|
||||
func_exec_program ${1+"$@"}
|
||||
fi
|
||||
else
|
||||
# The program doesn't exist.
|
||||
$ECHO "$0: error: '$progdir/$program' does not exist" 1>&2
|
||||
$ECHO "This script is just a wrapper for $program." 1>&2
|
||||
$ECHO "See the libtool documentation for more information." 1>&2
|
||||
exit 1
|
||||
fi
|
||||
fi
|
Loading…
Reference in New Issue