diff options
Diffstat (limited to 'external/libxmlsec/src/tokens.c')
| -rw-r--r-- | external/libxmlsec/src/tokens.c | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/external/libxmlsec/src/tokens.c b/external/libxmlsec/src/tokens.c new file mode 100644 index 000000000000..25c1fb08d0a7 --- /dev/null +++ b/external/libxmlsec/src/tokens.c @@ -0,0 +1,548 @@ +/** + * XMLSec library + * + * This is free software; see Copyright file in the source + * distribution for preciese wording. + * + * Copyright.................................. + * + * Contributor(s): _____________________________ + * + */ + +/** + * In order to ensure that particular crypto operation is performed on + * particular crypto device, a subclass of xmlSecList is used to store slot and + * mechanism information. + * + * In the list, a slot is bound with a mechanism. If the mechanism is available, + * this mechanism only can perform on the slot; otherwise, it can perform on + * every eligibl slot in the list. + * + * When try to find a slot for a particular mechanism, the slot bound with + * available mechanism will be looked up firstly. + */ +#include "globals.h" +#include <string.h> + +#include <xmlsec/xmlsec.h> +#include <xmlsec/errors.h> +#include <xmlsec/list.h> + +#include <xmlsec/nss/tokens.h> + +int +xmlSecNssKeySlotSetMechList( + xmlSecNssKeySlotPtr keySlot , + CK_MECHANISM_TYPE_PTR mechanismList +) { + int counter ; + + xmlSecAssert2( keySlot != NULL , -1 ) ; + + if( keySlot->mechanismList != CK_NULL_PTR ) { + xmlFree( keySlot->mechanismList ) ; + + for( counter = 0 ; *( mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) ; + keySlot->mechanismList = ( CK_MECHANISM_TYPE_PTR )xmlMalloc( ( counter + 1 ) * sizeof( CK_MECHANISM_TYPE ) ) ; + if( keySlot->mechanismList == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( -1 ); + } + for( ; counter >= 0 ; counter -- ) + *( keySlot->mechanismList + counter ) = *( mechanismList + counter ) ; + } + + return( 0 ); +} + +int +xmlSecNssKeySlotEnableMech( + xmlSecNssKeySlotPtr keySlot , + CK_MECHANISM_TYPE mechanism +) { + int counter ; + CK_MECHANISM_TYPE_PTR newList ; + + xmlSecAssert2( keySlot != NULL , -1 ) ; + + if( mechanism != CKM_INVALID_MECHANISM ) { + for( counter = 0 ; *( keySlot->mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) ; + newList = ( CK_MECHANISM_TYPE_PTR )xmlMalloc( ( counter + 1 + 1 ) * sizeof( CK_MECHANISM_TYPE ) ) ; + if( newList == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( -1 ); + } + *( newList + counter + 1 ) = CKM_INVALID_MECHANISM ; + *( newList + counter ) = mechanism ; + for( counter -= 1 ; counter >= 0 ; counter -- ) + *( newList + counter ) = *( keySlot->mechanismList + counter ) ; + + xmlFree( keySlot->mechanismList ) ; + keySlot->mechanismList = newList ; + } + + return(0); +} + +int +xmlSecNssKeySlotDisableMech( + xmlSecNssKeySlotPtr keySlot , + CK_MECHANISM_TYPE mechanism +) { + int counter ; + + xmlSecAssert2( keySlot != NULL , -1 ) ; + + for( counter = 0 ; *( keySlot->mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) { + if( *( keySlot->mechanismList + counter ) == mechanism ) { + for( ; *( keySlot->mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) { + *( keySlot->mechanismList + counter ) = *( keySlot->mechanismList + counter + 1 ) ; + } + + break ; + } + } + + return(0); +} + +CK_MECHANISM_TYPE_PTR +xmlSecNssKeySlotGetMechList( + xmlSecNssKeySlotPtr keySlot +) { + if( keySlot != NULL ) + return keySlot->mechanismList ; + else + return NULL ; +} + +int +xmlSecNssKeySlotSetSlot( + xmlSecNssKeySlotPtr keySlot , + PK11SlotInfo* slot +) { + xmlSecAssert2( keySlot != NULL , -1 ) ; + + if( slot != NULL && keySlot->slot != slot ) { + if( keySlot->slot != NULL ) + PK11_FreeSlot( keySlot->slot ) ; + + if( keySlot->mechanismList != NULL ) { + xmlFree( keySlot->mechanismList ) ; + keySlot->mechanismList = NULL ; + } + + keySlot->slot = PK11_ReferenceSlot( slot ) ; + } + + return(0); +} + +int +xmlSecNssKeySlotInitialize( + xmlSecNssKeySlotPtr keySlot , + PK11SlotInfo* slot +) { + xmlSecAssert2( keySlot != NULL , -1 ) ; + xmlSecAssert2( keySlot->slot == NULL , -1 ) ; + xmlSecAssert2( keySlot->mechanismList == NULL , -1 ) ; + + if( slot != NULL ) { + keySlot->slot = PK11_ReferenceSlot( slot ) ; + } + + return(0); +} + +void +xmlSecNssKeySlotFinalize( + xmlSecNssKeySlotPtr keySlot +) { + xmlSecAssert( keySlot != NULL ) ; + + if( keySlot->mechanismList != NULL ) { + xmlFree( keySlot->mechanismList ) ; + keySlot->mechanismList = NULL ; + } + + if( keySlot->slot != NULL ) { + PK11_FreeSlot( keySlot->slot ) ; + keySlot->slot = NULL ; + } + +} + +PK11SlotInfo* +xmlSecNssKeySlotGetSlot( + xmlSecNssKeySlotPtr keySlot +) { + if( keySlot != NULL ) + return keySlot->slot ; + else + return NULL ; +} + +xmlSecNssKeySlotPtr +xmlSecNssKeySlotCreate() { + xmlSecNssKeySlotPtr keySlot ; + + /* Allocates a new xmlSecNssKeySlot and fill the fields */ + keySlot = ( xmlSecNssKeySlotPtr )xmlMalloc( sizeof( xmlSecNssKeySlot ) ) ; + if( keySlot == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( NULL ); + } + memset( keySlot, 0, sizeof( xmlSecNssKeySlot ) ) ; + + return( keySlot ) ; +} + +int +xmlSecNssKeySlotCopy( + xmlSecNssKeySlotPtr newKeySlot , + xmlSecNssKeySlotPtr keySlot +) { + CK_MECHANISM_TYPE_PTR mech ; + int counter ; + + xmlSecAssert2( newKeySlot != NULL , -1 ) ; + xmlSecAssert2( keySlot != NULL , -1 ) ; + + if( keySlot->slot != NULL && newKeySlot->slot != keySlot->slot ) { + if( newKeySlot->slot != NULL ) + PK11_FreeSlot( newKeySlot->slot ) ; + + newKeySlot->slot = PK11_ReferenceSlot( keySlot->slot ) ; + } + + if( keySlot->mechanismList != CK_NULL_PTR ) { + xmlFree( newKeySlot->mechanismList ) ; + + for( counter = 0 ; *( keySlot->mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) ; + newKeySlot->mechanismList = ( CK_MECHANISM_TYPE_PTR )xmlMalloc( ( counter + 1 ) * sizeof( CK_MECHANISM_TYPE ) ) ; + if( newKeySlot->mechanismList == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( -1 ); + } + for( ; counter >= 0 ; counter -- ) + *( newKeySlot->mechanismList + counter ) = *( keySlot->mechanismList + counter ) ; + } + + return( 0 ); +} + +xmlSecNssKeySlotPtr +xmlSecNssKeySlotDuplicate( + xmlSecNssKeySlotPtr keySlot +) { + xmlSecNssKeySlotPtr newKeySlot ; + int ret ; + + xmlSecAssert2( keySlot != NULL , NULL ) ; + + newKeySlot = xmlSecNssKeySlotCreate() ; + if( newKeySlot == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( NULL ); + } + + if( xmlSecNssKeySlotCopy( newKeySlot, keySlot ) < 0 ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( NULL ); + } + + return( newKeySlot ); +} + +void +xmlSecNssKeySlotDestroy( + xmlSecNssKeySlotPtr keySlot +) { + xmlSecAssert( keySlot != NULL ) ; + + if( keySlot->mechanismList != NULL ) + xmlFree( keySlot->mechanismList ) ; + + if( keySlot->slot != NULL ) + PK11_FreeSlot( keySlot->slot ) ; + + xmlFree( keySlot ) ; +} + +int +xmlSecNssKeySlotBindMech( + xmlSecNssKeySlotPtr keySlot , + CK_MECHANISM_TYPE type +) { + int counter ; + + xmlSecAssert2( keySlot != NULL , 0 ) ; + xmlSecAssert2( keySlot->slot != NULL , 0 ) ; + xmlSecAssert2( type != CKM_INVALID_MECHANISM , 0 ) ; + + for( counter = 0 ; *( keySlot->mechanismList + counter ) != CKM_INVALID_MECHANISM ; counter ++ ) { + if( *( keySlot->mechanismList + counter ) == type ) + return(1) ; + } + + return( 0 ) ; +} + +int +xmlSecNssKeySlotSupportMech( + xmlSecNssKeySlotPtr keySlot , + CK_MECHANISM_TYPE type +) { + xmlSecAssert2( keySlot != NULL , 0 ) ; + xmlSecAssert2( keySlot->slot != NULL , 0 ) ; + xmlSecAssert2( type != CKM_INVALID_MECHANISM , 0 ) ; + + if( PK11_DoesMechanism( keySlot->slot , type ) == PR_TRUE ) { + return(1); + } else + return(0); +} + +void +xmlSecNssKeySlotDebugDump( + xmlSecNssKeySlotPtr keySlot , + FILE* output +) { + xmlSecAssert( keySlot != NULL ) ; + xmlSecAssert( output != NULL ) ; + + fprintf( output, "== KEY SLOT\n" ); +} + +void +xmlSecNssKeySlotDebugXmlDump( + xmlSecNssKeySlotPtr keySlot , + FILE* output +) { +} + +/** + * Key Slot List + */ +#ifdef __MINGW32__ // for runtime-pseudo-reloc +static struct _xmlSecPtrListKlass xmlSecNssKeySlotPtrListKlass = { +#else +static xmlSecPtrListKlass xmlSecNssKeySlotPtrListKlass = { +#endif + BAD_CAST "mechanism-list", + (xmlSecPtrDuplicateItemMethod)xmlSecNssKeySlotDuplicate, + (xmlSecPtrDestroyItemMethod)xmlSecNssKeySlotDestroy, + (xmlSecPtrDebugDumpItemMethod)xmlSecNssKeySlotDebugDump, + (xmlSecPtrDebugDumpItemMethod)xmlSecNssKeySlotDebugXmlDump, +}; + +xmlSecPtrListId +xmlSecNssKeySlotListGetKlass(void) { + return(&xmlSecNssKeySlotPtrListKlass); +} + + +/*- + * Global PKCS#11 crypto token repository -- Key slot list + */ +static xmlSecPtrListPtr _xmlSecNssKeySlotList = NULL ; + +PK11SlotInfo* +xmlSecNssSlotGet( + CK_MECHANISM_TYPE type +) { + PK11SlotInfo* slot = NULL ; + xmlSecNssKeySlotPtr keySlot ; + xmlSecSize ksSize ; + xmlSecSize ksPos ; + char flag ; + + if( _xmlSecNssKeySlotList == NULL ) { + slot = PK11_GetBestSlot( type , NULL ) ; + } else { + ksSize = xmlSecPtrListGetSize( _xmlSecNssKeySlotList ) ; + + /*- + * Firstly, checking whether the mechanism is bound with a special slot. + * If no bound slot, we try to find the first eligible slot in the list. + */ + for( flag = 0, ksPos = 0 ; ksPos < ksSize ; ksPos ++ ) { + keySlot = ( xmlSecNssKeySlotPtr )xmlSecPtrListGetItem( _xmlSecNssKeySlotList, ksPos ) ; + if( keySlot != NULL && xmlSecNssKeySlotBindMech( keySlot, type ) ) { + slot = xmlSecNssKeySlotGetSlot( keySlot ) ; + flag = 2 ; + } else if( flag == 0 && xmlSecNssKeySlotSupportMech( keySlot, type ) ) { + slot = xmlSecNssKeySlotGetSlot( keySlot ) ; + flag = 1 ; + } + + if( flag == 2 ) + break ; + } + if( slot != NULL ) + slot = PK11_ReferenceSlot( slot ) ; + } + + if( slot != NULL && PK11_NeedLogin( slot ) ) { + if( PK11_Authenticate( slot , PR_TRUE , NULL ) != SECSuccess ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + PK11_FreeSlot( slot ) ; + return( NULL ); + } + } + + return slot ; +} + +int +xmlSecNssSlotInitialize( + void +) { + if( _xmlSecNssKeySlotList != NULL ) { + xmlSecPtrListDestroy( _xmlSecNssKeySlotList ) ; + _xmlSecNssKeySlotList = NULL ; + } + + _xmlSecNssKeySlotList = xmlSecPtrListCreate( xmlSecNssKeySlotListId ) ; + if( _xmlSecNssKeySlotList == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return( -1 ); + } + + return(0); +} + +void +xmlSecNssSlotShutdown( + void +) { + if( _xmlSecNssKeySlotList != NULL ) { + xmlSecPtrListDestroy( _xmlSecNssKeySlotList ) ; + _xmlSecNssKeySlotList = NULL ; + } +} + +int +xmlSecNssSlotAdopt( + PK11SlotInfo* slot, + CK_MECHANISM_TYPE type +) { + xmlSecNssKeySlotPtr keySlot ; + xmlSecSize ksSize ; + xmlSecSize ksPos ; + char flag ; + + xmlSecAssert2( _xmlSecNssKeySlotList != NULL, -1 ) ; + xmlSecAssert2( slot != NULL, -1 ) ; + + ksSize = xmlSecPtrListGetSize( _xmlSecNssKeySlotList ) ; + + /*- + * Firstly, checking whether the slot is in the repository already. + */ + flag = 0 ; + for( ksPos = 0 ; ksPos < ksSize ; ksPos ++ ) { + keySlot = ( xmlSecNssKeySlotPtr )xmlSecPtrListGetItem( _xmlSecNssKeySlotList, ksPos ) ; + /* If find the slot in the list */ + if( keySlot != NULL && xmlSecNssKeySlotGetSlot( keySlot ) == slot ) { + /* If mechnism type is valid, bind the slot with the mechanism */ + if( type != CKM_INVALID_MECHANISM ) { + if( xmlSecNssKeySlotEnableMech( keySlot, type ) < 0 ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return(-1); + } + } + + flag = 1 ; + } + } + + /* If the slot do not in the list, add a new item to the list */ + if( flag == 0 ) { + /* Create a new KeySlot */ + keySlot = xmlSecNssKeySlotCreate() ; + if( keySlot == NULL ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + return(-1); + } + + /* Initialize the keySlot with a slot */ + if( xmlSecNssKeySlotInitialize( keySlot, slot ) < 0 ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + xmlSecNssKeySlotDestroy( keySlot ) ; + return(-1); + } + + /* If mechnism type is valid, bind the slot with the mechanism */ + if( type != CKM_INVALID_MECHANISM ) { + if( xmlSecNssKeySlotEnableMech( keySlot, type ) < 0 ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + xmlSecNssKeySlotDestroy( keySlot ) ; + return(-1); + } + } + + /* Add keySlot into the list */ + if( xmlSecPtrListAdd( _xmlSecNssKeySlotList, keySlot ) < 0 ) { + xmlSecError( XMLSEC_ERRORS_HERE , + NULL , + NULL , + XMLSEC_ERRORS_R_XMLSEC_FAILED , + XMLSEC_ERRORS_NO_MESSAGE ) ; + xmlSecNssKeySlotDestroy( keySlot ) ; + return(-1); + } + } + + return(0); +} + |