/* * Common Public License Version 0.5 * * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF * THIS COMMON PUBLIC LICENSE ("AGREEMENT"). ANY USE, * REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT. * * 1. DEFINITIONS * * "Contribution" means: * a) in the case of the initial Contributor, the * initial code and documentation distributed under * this Agreement, and * * b) in the case of each subsequent Contributor: * i) changes to the Program, and * ii) additions to the Program; * * where such changes and/or additions to the Program * originate from and are distributed by that * particular Contributor. A Contribution 'originates' * from a Contributor if it was added to the Program * by such Contributor itself or anyone acting on such * Contributor's behalf. Contributions do not include * additions to the Program which: (i) are separate * modules of software distributed in conjunction with * the Program under their own license agreement, and * (ii) are not derivative works of the Program. * * * "Contributor" means any person or entity that distributes * the Program. * * "Licensed Patents " mean patent claims licensable by a * Contributor which are necessarily infringed by the use or * sale of its Contribution alone or when combined with the * Program. * * "Program" means the Contributions distributed in * accordance with this Agreement. * * "Recipient" means anyone who receives the Program under * this Agreement, including all Contributors. * * 2. 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GENERAL * * If any provision of this Agreement is invalid or * unenforceable under applicable law, it shall not affect * the validity or enforceability of the remainder of the * terms of this Agreement, and without further action by the * parties hereto, such provision shall be reformed to the * minimum extent necessary to make such provision valid and * enforceable. * * * If Recipient institutes patent litigation against a * Contributor with respect to a patent applicable to * software (including a cros - claim or counterclaim in a * lawsuit), then any patent licenses granted by that * Contributor to such Recipient under this Agreement shall * terminate as of the date such litigation is filed. In * addition, If Recipient institutes patent litigation * against any entity (including a cros - claim or * counterclaim in a lawsuit) alleging that the Program * itself (excluding combinations of the Program with other * software or hardware) infringes such Recipient's * patent(s), then such Recipient's rights granted under * Section 2(b) shall terminate as of the date such * litigation is filed. * * All Recipient's rights under this Agreement shall * terminate if it fails to comply with any of the material * terms or conditions of this Agreement and does not cure * such failure in a reasonable period of time after becoming * aware of such noncompliance. If all Recipient's rights * under this Agreement terminate, Recipient agrees to cease * use and distribution of the Program as soon as reasonably * practicable. However, Recipient's obligations under this * Agreement and any licenses granted by Recipient relating * to the Program shall continue and survive. * * Everyone is permitted to copy and distribute copies of * this Agreement, but in order to avoid inconsistency the * Agreement is copyrighted and may only be modified in the * following manner. The Agreement Steward reserves the right * to publish new versions (including revisions) of this * Agreement from time to time. No one other than the * Agreement Steward has the right to modify this Agreement. * * IBM is the initial Agreement Steward. IBM may assign the * responsibility to serve as the Agreement Steward to a * suitable separate entity. Each new version of the * Agreement will be given a distinguishing version number. * The Program (including Contributions) may always be * distributed subject to the version of the Agreement under * which it was received. In addition, after a new version of * the Agreement is published, Contributor may elect to * distribute the Program (including its Contributions) under * the new version. Except as expressly stated in Sections * 2(a) and 2(b) above, Recipient receives no rights or * licenses to the intellectual property of any Contributor * under this Agreement, whether expressly, by implication, * estoppel or otherwise. All rights in the Program not * expressly granted under this Agreement are reserved. * * * This Agreement is governed by the laws of the State of New * York and the intellectual property laws of the United * States of America. No party to this Agreement will bring a * legal action under this Agreement more than one year after * the cause of action arose. Each party waives its rights to * a jury trial in any resulting litigation. * * * * (C) COPYRIGHT International Business Machines Corp. 2001, 2002 */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include "tpmtok_int.h" // object_create() // // Creates an object with the specified attributes. Verifies that all required // attributes are present and adds any missing attributes that have Cryptoki // defined default values. This routine does not check whether the session is // authorized to create the object. That is done elsewhere // (see object_mgr_create()) CK_RV object_create(CK_ATTRIBUTE * pTemplate, CK_ULONG ulCount, OBJECT ** obj) { OBJECT * o = NULL; CK_ATTRIBUTE * attr = NULL; CK_ATTRIBUTE * sensitive = NULL; CK_ATTRIBUTE * extractable = NULL; CK_ATTRIBUTE * local = NULL; CK_BBOOL class_given = FALSE; CK_BBOOL subclass_given = FALSE; CK_BBOOL flag; CK_ULONG class = 0xFFFFFFFF, subclass = 0xFFFFFFFF; CK_RV rc; unsigned int i; if (! pTemplate) { return (CKR_FUNCTION_FAILED); } // extract the object class and subclass // attr = pTemplate; for (i = 0; i < ulCount; i++, attr++) { if (attr->type == CKA_CLASS) { class = *(CK_OBJECT_CLASS *)attr->pValue; class_given = TRUE; } if (attr->type == CKA_CERTIFICATE_TYPE) { subclass = *(CK_CERTIFICATE_TYPE *)attr->pValue; subclass_given = TRUE; } if (attr->type == CKA_KEY_TYPE) { subclass = *(CK_KEY_TYPE *)attr->pValue; subclass_given = TRUE; } if (attr->type == CKA_HW_FEATURE_TYPE) { subclass = *(CK_HW_FEATURE_TYPE *)attr->pValue; subclass_given = TRUE; } } if (class_given == FALSE) { return (CKR_TEMPLATE_INCOMPLETE); } if (class != CKO_DATA && subclass_given != TRUE) { return (CKR_TEMPLATE_INCOMPLETE); } rc = object_create_skel(pTemplate, ulCount, MODE_CREATE, class, subclass, &o); if (rc != CKR_OK) { return (rc); } // for key objects, we need be careful... // // note: I would think that keys loaded with C_CreateObject should // have their CKA_NEVER_EXTRACTABLE == FALSE and // CKA_ALWAYS_SENSITIVE == FALSE since the key data was presumably // stored in the clear prior to the call to C_CreateObject. The // PKCS #11 spec doesn't impose this restriction however. // if (class == CKO_PRIVATE_KEY || class == CKO_SECRET_KEY) { rc = template_attribute_find(o->template, CKA_SENSITIVE, &attr); if (rc == FALSE) { rc = CKR_FUNCTION_FAILED; goto error; } flag = *(CK_BBOOL *)attr->pValue; rc = build_attribute(CKA_ALWAYS_SENSITIVE, &flag, sizeof (CK_BYTE), &sensitive); if (rc != CKR_OK) { goto error; } rc = template_attribute_find(o->template, CKA_EXTRACTABLE, &attr); if (rc == FALSE) { rc = CKR_FUNCTION_FAILED; goto error; } flag = *(CK_BBOOL *)attr->pValue; flag = (~flag) & 0x1; rc = build_attribute(CKA_NEVER_EXTRACTABLE, &flag, sizeof (CK_BYTE), &extractable); if (rc != CKR_OK) { goto error; } (void) template_update_attribute(o->template, sensitive); (void) template_update_attribute(o->template, extractable); } *obj = o; return (CKR_OK); error: if (sensitive) free(sensitive); if (extractable) free(extractable); if (local) free(local); (void) object_free(o); return (rc); } // object_copy() // // Builds a copy of the specified object. The new object gets the original // object's attribute template plus any additional attributes that are // specified. Verifies that all required attributes are present. This // routine does not check whether the session is authorized to copy the // object -- routines at the individual object level don't have the // concept of "session". These checks are done by the object manager. // CK_RV object_copy(CK_ATTRIBUTE * pTemplate, CK_ULONG ulCount, OBJECT * old_obj, OBJECT ** new_obj) { TEMPLATE * tmpl = NULL; TEMPLATE * new_tmpl = NULL; OBJECT * o = NULL; CK_BBOOL found; CK_ULONG class, subclass; CK_RV rc; if (! old_obj || ! pTemplate || ! new_obj) { return (CKR_FUNCTION_FAILED); } o = (OBJECT *)malloc(sizeof (OBJECT)); tmpl = (TEMPLATE *)malloc(sizeof (TEMPLATE)); new_tmpl = (TEMPLATE *)malloc(sizeof (TEMPLATE)); if (! o || ! tmpl || ! new_tmpl) { rc = CKR_HOST_MEMORY; goto error; } (void) memset(o, 0x0, sizeof (OBJECT)); (void) memset(tmpl, 0x0, sizeof (TEMPLATE)); (void) memset(new_tmpl, 0x0, sizeof (TEMPLATE)); // copy the original object's attribute template // rc = template_copy(tmpl, old_obj->template); if (rc != CKR_OK) { goto error; } rc = template_add_attributes(new_tmpl, pTemplate, ulCount); if (rc != CKR_OK) { goto error; } // at this point, the new object has the list of attributes. we need // to do some more checking now: // 1) invalid attribute values // 2) missing required attributes // 3) attributes inappropriate for the object class // 4) conflicting attributes/values // found = template_get_class(tmpl, &class, &subclass); if (found == FALSE) { rc = CKR_TEMPLATE_INCONSISTENT; goto error; } // The user cannot change object classes so we assume the existing // object attributes are valid. we still need to check the new // attributes. We cannot merge the new attributes in with the // old ones and then check for validity because some attributes // are added internally and are not allowed to be specified by // the user (ie. CKA_LOCAL for key types) but may still be part // of the old template. rc = template_validate_attributes(new_tmpl, class, subclass, MODE_COPY); if (rc != CKR_OK) goto error; rc = template_merge(tmpl, &new_tmpl); if (rc != CKR_OK) { goto error; } rc = template_check_required_attributes(tmpl, class, subclass, MODE_COPY); if (rc != CKR_OK) goto error; o->template = tmpl; *new_obj = o; return (CKR_OK); error: if (tmpl) (void) template_free(tmpl); if (new_tmpl) (void) template_free(new_tmpl); if (o) (void) object_free(o); return (rc); } CK_RV object_flatten(OBJECT * obj, CK_BYTE ** data, UINT32 *len) { CK_BYTE * buf = NULL; CK_ULONG_32 tmpl_len, total_len; CK_ULONG_32 offset; CK_ULONG_32 count; long rc; if (! obj) { return (CKR_FUNCTION_FAILED); } count = template_get_count(obj->template); tmpl_len = template_get_compressed_size(obj->template); total_len = tmpl_len + sizeof (CK_OBJECT_CLASS_32) + sizeof (CK_ULONG_32) + 8; buf = (CK_BYTE *)malloc(total_len); if (!buf) { return (CKR_HOST_MEMORY); } (void) memset((CK_BYTE *)buf, 0x0, total_len); offset = 0; (void) memcpy(buf + offset, &obj->class, sizeof (CK_OBJECT_CLASS_32)); offset += sizeof (CK_OBJECT_CLASS_32); (void) memcpy(buf + offset, &count, sizeof (CK_ULONG_32)); offset += sizeof (CK_ULONG_32); (void) memcpy(buf + offset, &obj->name, sizeof (CK_BYTE) * 8); offset += 8; rc = template_flatten(obj->template, buf + offset); if (rc != CKR_OK) { free(buf); return (rc); } *data = buf; *len = total_len; return (CKR_OK); } CK_BBOOL object_free(OBJECT *obj) { (void) template_free(obj->template); free(obj); return (TRUE); } // object_is_modifiable() // CK_BBOOL object_is_modifiable(OBJECT *obj) { CK_ATTRIBUTE * attr = NULL; CK_BBOOL modifiable; CK_BBOOL found; found = template_attribute_find(obj->template, CKA_MODIFIABLE, &attr); if (found == FALSE) return (TRUE); modifiable = *(CK_BBOOL *)attr->pValue; return (modifiable); } // object_is_private() // // an is_private member should probably be added to OBJECT // CK_BBOOL object_is_private(OBJECT *obj) { CK_ATTRIBUTE * attr = NULL; CK_BBOOL priv; CK_BBOOL found; found = template_attribute_find(obj->template, CKA_PRIVATE, &attr); if (found == FALSE) return (TRUE); if (attr == NULL) return (TRUE); priv = *((CK_BBOOL *)attr->pValue); return (priv); } CK_BBOOL object_is_public(OBJECT *obj) { CK_BBOOL rc; rc = object_is_private(obj); if (rc) return (FALSE); return (TRUE); } CK_BBOOL object_is_token_object(OBJECT *obj) { CK_ATTRIBUTE * attr = NULL; CK_BBOOL is_token; CK_BBOOL found; found = template_attribute_find(obj->template, CKA_TOKEN, &attr); if (found == FALSE) return (FALSE); is_token = *(CK_BBOOL *)attr->pValue; return (is_token); } CK_BBOOL object_is_session_object(OBJECT *obj) { CK_BBOOL rc; rc = object_is_token_object(obj); if (rc) return (FALSE); else return (TRUE); } CK_ULONG object_get_size(OBJECT *obj) { CK_ULONG size; size = sizeof (OBJECT) + template_get_size(obj->template); return (size); } CK_RV object_get_attribute_values(OBJECT * obj, CK_ATTRIBUTE * pTemplate, CK_ULONG ulCount) { TEMPLATE *obj_tmpl = NULL; CK_ATTRIBUTE *attr = NULL; CK_ULONG i; CK_BBOOL flag; CK_RV rc; rc = CKR_OK; obj_tmpl = obj->template; for (i = 0; i < ulCount; i++) { flag = template_check_exportability(obj_tmpl, pTemplate[i].type); if (flag == FALSE) { rc = CKR_ATTRIBUTE_SENSITIVE; pTemplate[i].ulValueLen = (CK_ULONG) - 1; continue; } flag = template_attribute_find(obj_tmpl, pTemplate[i].type, &attr); if (flag == FALSE) { rc = CKR_ATTRIBUTE_TYPE_INVALID; pTemplate[i].ulValueLen = (CK_ULONG) - 1; continue; } if (pTemplate[i].pValue == NULL) { pTemplate[i].ulValueLen = attr->ulValueLen; } else if (pTemplate[i].ulValueLen >= attr->ulValueLen) { (void) memcpy(pTemplate[i].pValue, attr->pValue, attr->ulValueLen); pTemplate[i].ulValueLen = attr->ulValueLen; } else { rc = CKR_BUFFER_TOO_SMALL; pTemplate[i].ulValueLen = (CK_ULONG) - 1; } } return (rc); } CK_RV object_set_attribute_values(OBJECT * obj, CK_ATTRIBUTE * pTemplate, CK_ULONG ulCount) { TEMPLATE * new_tmpl; CK_BBOOL found; CK_ULONG class, subclass; CK_RV rc; if (! obj || ! pTemplate) { return (CKR_FUNCTION_FAILED); } found = template_get_class(obj->template, &class, &subclass); if (found == FALSE) { rc = CKR_FUNCTION_FAILED; goto error; } new_tmpl = (TEMPLATE *)malloc(sizeof (TEMPLATE)); if (! new_tmpl) { return (CKR_HOST_MEMORY); } (void) memset(new_tmpl, 0x0, sizeof (TEMPLATE)); rc = template_add_attributes(new_tmpl, pTemplate, ulCount); if (rc != CKR_OK) { goto error; } rc = template_validate_attributes(new_tmpl, class, subclass, MODE_MODIFY); if (rc != CKR_OK) { goto error; } rc = template_merge(obj->template, &new_tmpl); if (rc != CKR_OK) { return (rc); } return (CKR_OK); error: if (new_tmpl) (void) template_free(new_tmpl); return (rc); } CK_RV object_restore(CK_BYTE *data, OBJECT **new_obj, CK_BBOOL replace) { TEMPLATE * tmpl = NULL; OBJECT * obj = NULL; CK_ULONG offset = 0; CK_ULONG_32 count = 0; CK_RV rc; if (! data || ! new_obj) { return (CKR_FUNCTION_FAILED); } obj = (OBJECT *)malloc(sizeof (OBJECT)); if (! obj) { rc = CKR_HOST_MEMORY; goto error; } (void) memset(obj, 0x0, sizeof (OBJECT)); (void) memcpy(&obj->class, data + offset, sizeof (CK_OBJECT_CLASS_32)); offset += sizeof (CK_OBJECT_CLASS_32); (void) memcpy(&count, data + offset, sizeof (CK_ULONG_32)); offset += sizeof (CK_ULONG_32); (void) memcpy(&obj->name, data + offset, 8); offset += 8; rc = template_unflatten(&tmpl, data + offset, count); if (rc != CKR_OK) { goto error; } obj->template = tmpl; if (replace == FALSE) { *new_obj = obj; } else { (void) template_free((*new_obj)->template); (void) memcpy(*new_obj, obj, sizeof (OBJECT)); free(obj); } return (CKR_OK); error: if (obj) (void) object_free(obj); if (tmpl) (void) template_free(tmpl); return (rc); } // // CK_RV object_create_skel(CK_ATTRIBUTE * pTemplate, CK_ULONG ulCount, CK_ULONG mode, CK_ULONG class, CK_ULONG subclass, OBJECT ** obj) { TEMPLATE * tmpl = NULL; TEMPLATE * tmpl2 = NULL; OBJECT * o = NULL; CK_RV rc; if (! obj) { return (CKR_FUNCTION_FAILED); } if (! pTemplate && (ulCount != 0)) { return (CKR_FUNCTION_FAILED); } o = (OBJECT *)malloc(sizeof (OBJECT)); tmpl = (TEMPLATE *)malloc(sizeof (TEMPLATE)); tmpl2 = (TEMPLATE *)malloc(sizeof (TEMPLATE)); if (! o || ! tmpl || ! tmpl2) { rc = CKR_HOST_MEMORY; goto done; } (void) memset(o, 0x0, sizeof (OBJECT)); (void) memset(tmpl, 0x0, sizeof (TEMPLATE)); (void) memset(tmpl2, 0x0, sizeof (TEMPLATE)); rc = template_add_default_attributes(tmpl, class, subclass, mode); if (rc != CKR_OK) goto done; rc = template_add_attributes(tmpl2, pTemplate, ulCount); if (rc != CKR_OK) goto done; // at this point, the new template has the list of attributes. we need // to do some more checking now: // 1) invalid attribute values // 2) missing required attributes // 3) attributes inappropriate for the object class // 4) conflicting attributes/values // rc = template_validate_attributes(tmpl2, class, subclass, mode); if (rc != CKR_OK) { goto done; } rc = template_check_required_attributes(tmpl2, class, subclass, mode); if (rc != CKR_OK) { goto done; } rc = template_merge(tmpl, &tmpl2); if (rc != CKR_OK) { goto done; } // at this point, we should have a valid object with correct attributes // o->template = tmpl; *obj = o; return (CKR_OK); done: if (o) free(o); if (tmpl) (void) template_free(tmpl); if (tmpl2) (void) template_free(tmpl2); return (rc); }
