diff options
Diffstat (limited to 'src/libtpmtss/tpm_tss_tss2.c')
| -rw-r--r-- | src/libtpmtss/tpm_tss_tss2.c | 94 |
1 files changed, 80 insertions, 14 deletions
diff --git a/src/libtpmtss/tpm_tss_tss2.c b/src/libtpmtss/tpm_tss_tss2.c index 9a4b9a40c..dcba05c43 100644 --- a/src/libtpmtss/tpm_tss_tss2.c +++ b/src/libtpmtss/tpm_tss_tss2.c @@ -23,8 +23,18 @@ #include <bio/bio_reader.h> #include <tpm20.h> + +#ifdef TSS2_TCTI_TABRMD +#include <tcti/tcti-tabrmd.h> +#endif /* TSS2_TCTI_TABRMD */ + +#ifdef TSS2_TCTI_SOCKET #include <tcti_socket.h> +#define TCTI_SOCKET_DEFAULT_ADDRESS "127.0.0.1" +#define TCTI_SOCKET_DEFAULT_PORT 2323 +#endif /* TSS2_TCTI_SOCKET */ + #define LABEL "TPM 2.0 -" typedef struct private_tpm_tss_tss2_t private_tpm_tss_tss2_t; @@ -209,23 +219,52 @@ static bool get_algs_capability(private_tpm_tss_tss2_t *this) } /** - * Initialize TSS context + * Initialize TSS2 TCTI TABRMD context */ -static bool initialize_context(private_tpm_tss_tss2_t *this) +static bool initialize_tcti_tabrmd_context(private_tpm_tss_tss2_t *this) { +#ifdef TSS2_TCTI_TABRMD size_t tcti_context_size; - uint32_t sys_context_size; uint32_t rval; - TCTI_SOCKET_CONF rm_if_config = { DEFAULT_HOSTNAME, - DEFAULT_RESMGR_TPM_PORT - }; + /* determine size of tcti context */ + rval = tss2_tcti_tabrmd_init(NULL, &tcti_context_size); + if (rval != TSS2_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get tcti_context size: 0x%06x", + LABEL, rval); + return FALSE; + } - TSS2_ABI_VERSION abi_version = { TSSWG_INTEROP, - TSS_SAPI_FIRST_FAMILY, - TSS_SAPI_FIRST_LEVEL, - TSS_SAPI_FIRST_VERSION - }; + /* allocate memory for tcti context */ + this->tcti_context = (TSS2_TCTI_CONTEXT*)malloc(tcti_context_size); + + /* initialize tcti context */ + rval = tss2_tcti_tabrmd_init(this->tcti_context, &tcti_context_size); + if (rval != TSS2_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get tcti_context: 0x%06x " + "via tabrmd interface", LABEL, rval); + return FALSE; + } + return TRUE; +#else /* TSS2_TCTI_TABRMD */ + return FALSE; +#endif /* TSS2_TCTI_TABRMD */ +} + +/** + * Initialize TSS2 TCTI Socket context + */ +static bool initialize_tcti_socket_context(private_tpm_tss_tss2_t *this) +{ +#ifdef TSS2_TCTI_SOCKET + size_t tcti_context_size; + uint32_t rval; + + TCTI_SOCKET_CONF rm_if_config = { TCTI_SOCKET_DEFAULT_ADDRESS, + TCTI_SOCKET_DEFAULT_PORT + }; /* determine size of tcti context */ rval = InitSocketTcti(NULL, &tcti_context_size, &rm_if_config, 0); @@ -244,10 +283,29 @@ static bool initialize_context(private_tpm_tss_tss2_t *this) &rm_if_config, 0); if (rval != TSS2_RC_SUCCESS) { - DBG1(DBG_PTS, "%s could not get tcti_context: 0x%06x", - LABEL, rval); + DBG1(DBG_PTS, "%s could not get tcti_context: 0x%06x " + "via socket interface", LABEL, rval); return FALSE; } + return TRUE; +#else /* TSS2_TCTI_SOCKET */ + return FALSE; +#endif /* TSS2_TCTI_SOCKET */ +} + +/** + * Initialize TSS2 Sys context + */ +static bool initialize_sys_context(private_tpm_tss_tss2_t *this) +{ + uint32_t sys_context_size; + uint32_t rval; + + TSS2_ABI_VERSION abi_version = { TSSWG_INTEROP, + TSS_SAPI_FIRST_FAMILY, + TSS_SAPI_FIRST_LEVEL, + TSS_SAPI_FIRST_VERSION + }; /* determine size of sys context */ sys_context_size = Tss2_Sys_GetContextSize(0); @@ -885,7 +943,15 @@ tpm_tss_t *tpm_tss_tss2_create() }, ); - available = initialize_context(this); + available = initialize_tcti_tabrmd_context(this); + if (!available) + { + available = initialize_tcti_socket_context(this); + } + if (available) + { + available = initialize_sys_context(this); + } DBG1(DBG_PTS, "TPM 2.0 via TSS2 %savailable", available ? "" : "not "); if (!available) |