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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /security/nss/lib/pk11wrap/pk11merge.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'security/nss/lib/pk11wrap/pk11merge.c')
-rw-r--r--security/nss/lib/pk11wrap/pk11merge.c1432
1 files changed, 1432 insertions, 0 deletions
diff --git a/security/nss/lib/pk11wrap/pk11merge.c b/security/nss/lib/pk11wrap/pk11merge.c
new file mode 100644
index 000000000..8c4c5129a
--- /dev/null
+++ b/security/nss/lib/pk11wrap/pk11merge.c
@@ -0,0 +1,1432 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Merge the source token into the target token.
+ */
+
+#include "secmod.h"
+#include "secmodi.h"
+#include "secmodti.h"
+#include "pk11pub.h"
+#include "pk11priv.h"
+#include "pkcs11.h"
+#include "seccomon.h"
+#include "secerr.h"
+#include "keyhi.h"
+#include "hasht.h"
+#include "cert.h"
+#include "certdb.h"
+
+/*************************************************************************
+ *
+ * short utilities to aid in the merge
+ *
+ *************************************************************************/
+
+/*
+ * write a bunch of attributes out to an existing object.
+ */
+static SECStatus
+pk11_setAttributes(PK11SlotInfo *slot, CK_OBJECT_HANDLE id,
+ CK_ATTRIBUTE *setTemplate, CK_ULONG setTemplCount)
+{
+ CK_RV crv;
+ CK_SESSION_HANDLE rwsession;
+
+ rwsession = PK11_GetRWSession(slot);
+ if (rwsession == CK_INVALID_SESSION) {
+ PORT_SetError(SEC_ERROR_BAD_DATA);
+ return SECFailure;
+ }
+ crv = PK11_GETTAB(slot)->C_SetAttributeValue(rwsession, id,
+ setTemplate, setTemplCount);
+ PK11_RestoreROSession(slot, rwsession);
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ return SECFailure;
+ }
+ return SECSuccess;
+}
+
+/*
+ * copy a template of attributes from a source object to a target object.
+ * if target object is not given, create it.
+ */
+static SECStatus
+pk11_copyAttributes(PLArenaPool *arena,
+ PK11SlotInfo *targetSlot, CK_OBJECT_HANDLE targetID,
+ PK11SlotInfo *sourceSlot, CK_OBJECT_HANDLE sourceID,
+ CK_ATTRIBUTE *copyTemplate, CK_ULONG copyTemplateCount)
+{
+ SECStatus rv;
+ CK_ATTRIBUTE *newTemplate = NULL;
+ CK_RV crv;
+
+ crv = PK11_GetAttributes(arena, sourceSlot, sourceID,
+ copyTemplate, copyTemplateCount);
+ /* if we have missing attributes, just skip them and create the object */
+ if (crv == CKR_ATTRIBUTE_TYPE_INVALID) {
+ int i, j;
+ newTemplate = PORT_NewArray(CK_ATTRIBUTE, copyTemplateCount);
+ /* remove the unknown attributes. If we don't have enough attributes
+ * PK11_CreateNewObject() will fail */
+ for (i = 0, j = 0; i < copyTemplateCount; i++) {
+ if (copyTemplate[i].ulValueLen != -1) {
+ newTemplate[j] = copyTemplate[i];
+ j++;
+ }
+ }
+ copyTemplate = newTemplate;
+ copyTemplateCount = j;
+ crv = PK11_GetAttributes(arena, sourceSlot, sourceID,
+ copyTemplate, copyTemplateCount);
+ }
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ return SECFailure;
+ }
+ if (targetID == CK_INVALID_HANDLE) {
+ /* we need to create the object */
+ rv = PK11_CreateNewObject(targetSlot, CK_INVALID_SESSION,
+ copyTemplate, copyTemplateCount, PR_TRUE, &targetID);
+ } else {
+ /* update the existing object with the new attributes */
+ rv = pk11_setAttributes(targetSlot, targetID,
+ copyTemplate, copyTemplateCount);
+ }
+ if (newTemplate) {
+ free(newTemplate);
+ }
+ return rv;
+}
+
+/*
+ * look for a matching object across tokens.
+ */
+static SECStatus
+pk11_matchAcrossTokens(PLArenaPool *arena, PK11SlotInfo *targetSlot,
+ PK11SlotInfo *sourceSlot,
+ CK_ATTRIBUTE *template, CK_ULONG tsize,
+ CK_OBJECT_HANDLE id, CK_OBJECT_HANDLE *peer)
+{
+
+ CK_RV crv;
+ *peer = CK_INVALID_HANDLE;
+
+ crv = PK11_GetAttributes(arena, sourceSlot, id, template, tsize);
+ if (crv != CKR_OK) {
+ PORT_SetError(PK11_MapError(crv));
+ goto loser;
+ }
+
+ if (template[0].ulValueLen == -1) {
+ crv = CKR_ATTRIBUTE_TYPE_INVALID;
+ PORT_SetError(PK11_MapError(crv));
+ goto loser;
+ }
+
+ *peer = pk11_FindObjectByTemplate(targetSlot, template, tsize);
+ return SECSuccess;
+
+loser:
+ return SECFailure;
+}
+
+/*
+ * Encrypt using key and parameters
+ */
+SECStatus
+pk11_encrypt(PK11SymKey *symKey, CK_MECHANISM_TYPE mechType, SECItem *param,
+ SECItem *input, SECItem **output)
+{
+ PK11Context *ctxt = NULL;
+ SECStatus rv = SECSuccess;
+
+ if (*output) {
+ SECITEM_FreeItem(*output, PR_TRUE);
+ }
+ *output = SECITEM_AllocItem(NULL, NULL, input->len + 20 /*slop*/);
+ if (!*output) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ ctxt = PK11_CreateContextBySymKey(mechType, CKA_ENCRYPT, symKey, param);
+ if (ctxt == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ rv = PK11_CipherOp(ctxt, (*output)->data,
+ (int *)&((*output)->len),
+ (*output)->len, input->data, input->len);
+
+done:
+ if (ctxt) {
+ PK11_Finalize(ctxt);
+ PK11_DestroyContext(ctxt, PR_TRUE);
+ }
+ if (rv != SECSuccess) {
+ if (*output) {
+ SECITEM_FreeItem(*output, PR_TRUE);
+ *output = NULL;
+ }
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Private Keys
+ *
+ *************************************************************************/
+
+/*
+ * Fetch the key usage based on the pkcs #11 flags
+ */
+unsigned int
+pk11_getPrivateKeyUsage(PK11SlotInfo *slot, CK_OBJECT_HANDLE id)
+{
+ unsigned int usage = 0;
+
+ if ((PK11_HasAttributeSet(slot, id, CKA_UNWRAP, PR_FALSE) ||
+ PK11_HasAttributeSet(slot, id, CKA_DECRYPT, PR_FALSE))) {
+ usage |= KU_KEY_ENCIPHERMENT;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_DERIVE, PR_FALSE)) {
+ usage |= KU_KEY_AGREEMENT;
+ }
+ if ((PK11_HasAttributeSet(slot, id, CKA_SIGN_RECOVER, PR_FALSE) ||
+ PK11_HasAttributeSet(slot, id, CKA_SIGN, PR_FALSE))) {
+ usage |= KU_DIGITAL_SIGNATURE;
+ }
+ return usage;
+}
+
+/*
+ * merge a private key,
+ *
+ * Private keys are merged using PBE wrapped keys with a random
+ * value as the 'password'. Once the base key is moved, The remaining
+ * attributes (SUBJECT) is copied.
+ */
+static SECStatus
+pk11_mergePrivateKey(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ SECKEYPrivateKey *sourceKey = NULL;
+ CK_OBJECT_HANDLE targetKeyID;
+ SECKEYEncryptedPrivateKeyInfo *epki = NULL;
+ char *nickname = NULL;
+ SECItem nickItem;
+ SECItem pwitem;
+ SECItem publicValue;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ unsigned int keyUsage;
+ unsigned char randomData[SHA1_LENGTH];
+ SECOidTag algTag = SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC;
+ CK_ATTRIBUTE privTemplate[] = {
+ { CKA_ID, NULL, 0 },
+ { CKA_CLASS, NULL, 0 }
+ };
+ CK_ULONG privTemplateCount = sizeof(privTemplate) / sizeof(privTemplate[0]);
+ CK_ATTRIBUTE privCopyTemplate[] = {
+ { CKA_SUBJECT, NULL, 0 }
+ };
+ CK_ULONG privCopyTemplateCount =
+ sizeof(privCopyTemplate) / sizeof(privCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* check to see if the key is already in the target slot */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, privTemplate,
+ privTemplateCount, id, &targetKeyID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ if (targetKeyID != CK_INVALID_HANDLE) {
+ /* match found, not an error ... */
+ goto done;
+ }
+
+ /* get an NSS representation of our source key */
+ sourceKey = PK11_MakePrivKey(sourceSlot, nullKey, PR_FALSE,
+ id, sourcePwArg);
+ if (sourceKey == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* Load the private key */
+ /* generate a random pwitem */
+ rv = PK11_GenerateRandom(randomData, sizeof(randomData));
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ pwitem.data = randomData;
+ pwitem.len = sizeof(randomData);
+ /* fetch the private key encrypted */
+ epki = PK11_ExportEncryptedPrivKeyInfo(sourceSlot, algTag, &pwitem,
+ sourceKey, 1, sourcePwArg);
+ if (epki == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ nickname = PK11_GetObjectNickname(sourceSlot, id);
+ /* NULL nickanme is fine (in fact is often normal) */
+ if (nickname) {
+ nickItem.data = (unsigned char *)nickname;
+ nickItem.len = PORT_Strlen(nickname);
+ }
+ keyUsage = pk11_getPrivateKeyUsage(sourceSlot, id);
+ /* pass in the CKA_ID */
+ publicValue.data = privTemplate[0].pValue;
+ publicValue.len = privTemplate[0].ulValueLen;
+ rv = PK11_ImportEncryptedPrivateKeyInfo(targetSlot, epki, &pwitem,
+ nickname ? &nickItem : NULL, &publicValue,
+ PR_TRUE, PR_TRUE, sourceKey->keyType, keyUsage,
+ targetPwArg);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ /* make sure it made it */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, privTemplate,
+ privTemplateCount, id, &targetKeyID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ if (targetKeyID == CK_INVALID_HANDLE) {
+ /* this time the key should exist */
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* fill in remaining attributes */
+ rv = pk11_copyAttributes(arena, targetSlot, targetKeyID, sourceSlot, id,
+ privCopyTemplate, privCopyTemplateCount);
+done:
+ /* make sure the 'key' is cleared */
+ PORT_Memset(randomData, 0, sizeof(randomData));
+ if (nickname) {
+ PORT_Free(nickname);
+ }
+ if (sourceKey) {
+ SECKEY_DestroyPrivateKey(sourceKey);
+ }
+ if (epki) {
+ SECKEY_DestroyEncryptedPrivateKeyInfo(epki, PR_TRUE);
+ }
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Secret Keys
+ *
+ *************************************************************************/
+
+/*
+ * we need to find a unique CKA_ID.
+ * The basic idea is to just increment the lowest byte.
+ * This code also handles the following corner cases:
+ * 1) the single byte overflows. On overflow we increment the next byte up
+ * and so forth until we have overflowed the entire CKA_ID.
+ * 2) If we overflow the entire CKA_ID we expand it by one byte.
+ * 3) the CKA_ID is non-existent, we create a new one with one byte.
+ * This means no matter what CKA_ID is passed, the result of this function
+ * is always a new CKA_ID, and this function will never return the same
+ * CKA_ID the it has returned in the passed.
+ */
+static SECStatus
+pk11_incrementID(PLArenaPool *arena, CK_ATTRIBUTE *ptemplate)
+{
+ unsigned char *buf = ptemplate->pValue;
+ CK_ULONG len = ptemplate->ulValueLen;
+
+ if (buf == NULL || len == (CK_ULONG)-1) {
+ /* we have no valid CKAID, we'll create a basic one byte CKA_ID below */
+ len = 0;
+ } else {
+ CK_ULONG i;
+
+ /* walk from the back to front, incrementing
+ * the CKA_ID until we no longer have a carry,
+ * or have hit the front of the id. */
+ for (i = len; i != 0; i--) {
+ buf[i - 1]++;
+ if (buf[i - 1] != 0) {
+ /* no more carries, the increment is complete */
+ return SECSuccess;
+ }
+ }
+ /* we've now overflowed, fall through and expand the CKA_ID by
+ * one byte */
+ }
+ /* if we are here we've run the counter to zero (indicating an overflow).
+ * create an CKA_ID that is all zeros, but has one more zero than
+ * the previous CKA_ID */
+ buf = PORT_ArenaZAlloc(arena, len + 1);
+ if (buf == NULL) {
+ return SECFailure;
+ }
+ ptemplate->pValue = buf;
+ ptemplate->ulValueLen = len + 1;
+ return SECSuccess;
+}
+
+static CK_FLAGS
+pk11_getSecretKeyFlags(PK11SlotInfo *slot, CK_OBJECT_HANDLE id)
+{
+ CK_FLAGS flags = 0;
+
+ if (PK11_HasAttributeSet(slot, id, CKA_UNWRAP, PR_FALSE)) {
+ flags |= CKF_UNWRAP;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_WRAP, PR_FALSE)) {
+ flags |= CKF_WRAP;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_ENCRYPT, PR_FALSE)) {
+ flags |= CKF_ENCRYPT;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_DECRYPT, PR_FALSE)) {
+ flags |= CKF_DECRYPT;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_DERIVE, PR_FALSE)) {
+ flags |= CKF_DERIVE;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_SIGN, PR_FALSE)) {
+ flags |= CKF_SIGN;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_SIGN_RECOVER, PR_FALSE)) {
+ flags |= CKF_SIGN_RECOVER;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_VERIFY, PR_FALSE)) {
+ flags |= CKF_VERIFY;
+ }
+ if (PK11_HasAttributeSet(slot, id, CKA_VERIFY_RECOVER, PR_FALSE)) {
+ flags |= CKF_VERIFY_RECOVER;
+ }
+ return flags;
+}
+
+static const char testString[] =
+ "My Encrytion Test Data (should be at least 32 bytes long)";
+/*
+ * merge a secret key,
+ *
+ * Secret keys may collide by CKA_ID as we merge 2 token. If we collide
+ * on the CKA_ID, we need to make sure we are dealing with different keys.
+ * The reason for this is it is possible that we've merged this database
+ * before, and this key could have been merged already. If the keys are
+ * the same, we are done. If they are not, we need to update the CKA_ID of
+ * the source key and try again.
+ *
+ * Once we know we have a unique key to merge in, we use NSS's underlying
+ * key Move function which will do a key exchange if necessary to move
+ * the key from one token to another. Then we set the CKA_ID and additional
+ * pkcs #11 attributes.
+ */
+static SECStatus
+pk11_mergeSecretKey(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ PK11SymKey *sourceKey = NULL;
+ PK11SymKey *targetKey = NULL;
+ SECItem *sourceOutput = NULL;
+ SECItem *targetOutput = NULL;
+ SECItem *param = NULL;
+ int blockSize;
+ SECItem input;
+ CK_OBJECT_HANDLE targetKeyID;
+ CK_FLAGS flags;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ CK_MECHANISM_TYPE keyMechType, cryptoMechType;
+ CK_KEY_TYPE sourceKeyType, targetKeyType;
+ CK_ATTRIBUTE symTemplate[] = {
+ { CKA_ID, NULL, 0 },
+ { CKA_CLASS, NULL, 0 }
+ };
+ CK_ULONG symTemplateCount = sizeof(symTemplate) / sizeof(symTemplate[0]);
+ CK_ATTRIBUTE symCopyTemplate[] = {
+ { CKA_LABEL, NULL, 0 }
+ };
+ CK_ULONG symCopyTemplateCount =
+ sizeof(symCopyTemplate) / sizeof(symCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ sourceKeyType = PK11_ReadULongAttribute(sourceSlot, id, CKA_KEY_TYPE);
+ if (sourceKeyType == (CK_ULONG)-1) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* get the key mechanism */
+ keyMechType = PK11_GetKeyMechanism(sourceKeyType);
+ /* get a mechanism suitable to encryption.
+ * PK11_GetKeyMechanism returns a mechanism that is unique to the key
+ * type. It tries to return encryption/decryption mechanisms, however
+ * CKM_DES3_CBC uses and abmiguous keyType, so keyMechType is returned as
+ * 'keygen' mechanism. Detect that case here */
+ cryptoMechType = keyMechType;
+ if ((keyMechType == CKM_DES3_KEY_GEN) ||
+ (keyMechType == CKM_DES2_KEY_GEN)) {
+ cryptoMechType = CKM_DES3_CBC;
+ }
+
+ sourceKey = PK11_SymKeyFromHandle(sourceSlot, NULL, PK11_OriginDerive,
+ keyMechType, id, PR_FALSE, sourcePwArg);
+ if (sourceKey == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* check to see a key with the same CKA_ID already exists in
+ * the target slot. If it does, then we need to verify if the keys
+ * really matches. If they don't import the key with a new CKA_ID
+ * value. */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot,
+ symTemplate, symTemplateCount, id, &targetKeyID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ /* set up the input test */
+ input.data = (unsigned char *)testString;
+ blockSize = PK11_GetBlockSize(cryptoMechType, NULL);
+ if (blockSize < 0) {
+ rv = SECFailure;
+ goto done;
+ }
+ input.len = blockSize;
+ if (input.len == 0) {
+ input.len = sizeof(testString);
+ }
+ while (targetKeyID != CK_INVALID_HANDLE) {
+ /* test to see if the keys are identical */
+ targetKeyType = PK11_ReadULongAttribute(sourceSlot, id, CKA_KEY_TYPE);
+ if (targetKeyType == sourceKeyType) {
+ /* same keyType - see if it's the same key */
+ targetKey = PK11_SymKeyFromHandle(targetSlot, NULL,
+ PK11_OriginDerive, keyMechType, targetKeyID, PR_FALSE,
+ targetPwArg);
+ /* get a parameter if we don't already have one */
+ if (!param) {
+ param = PK11_GenerateNewParam(cryptoMechType, sourceKey);
+ if (param == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ }
+ /* use the source key to encrypt a reference */
+ if (!sourceOutput) {
+ rv = pk11_encrypt(sourceKey, cryptoMechType, param, &input,
+ &sourceOutput);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ }
+ /* encrypt the reference with the target key */
+ rv = pk11_encrypt(targetKey, cryptoMechType, param, &input,
+ &targetOutput);
+ if (rv == SECSuccess) {
+ if (SECITEM_ItemsAreEqual(sourceOutput, targetOutput)) {
+ /* they produce the same output, they must be the
+ * same key */
+ goto done;
+ }
+ SECITEM_FreeItem(targetOutput, PR_TRUE);
+ targetOutput = NULL;
+ }
+ PK11_FreeSymKey(targetKey);
+ targetKey = NULL;
+ }
+ /* keys aren't equal, update the KEY_ID and look again */
+ rv = pk11_incrementID(arena, &symTemplate[0]);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ targetKeyID = pk11_FindObjectByTemplate(targetSlot,
+ symTemplate, symTemplateCount);
+ }
+
+ /* we didn't find a matching key, import this one with the new
+ * CKAID */
+ flags = pk11_getSecretKeyFlags(sourceSlot, id);
+ targetKey = PK11_MoveSymKey(targetSlot, PK11_OriginDerive, flags, PR_TRUE,
+ sourceKey);
+ if (targetKey == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ /* set the key new CKAID */
+ rv = pk11_setAttributes(targetSlot, targetKey->objectID, symTemplate, 1);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ /* fill in remaining attributes */
+ rv = pk11_copyAttributes(arena, targetSlot, targetKey->objectID,
+ sourceSlot, id, symCopyTemplate, symCopyTemplateCount);
+done:
+ if (sourceKey) {
+ PK11_FreeSymKey(sourceKey);
+ }
+ if (targetKey) {
+ PK11_FreeSymKey(targetKey);
+ }
+ if (sourceOutput) {
+ SECITEM_FreeItem(sourceOutput, PR_TRUE);
+ }
+ if (targetOutput) {
+ SECITEM_FreeItem(targetOutput, PR_TRUE);
+ }
+ if (param) {
+ SECITEM_FreeItem(param, PR_TRUE);
+ }
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Public Keys
+ *
+ *************************************************************************/
+
+/*
+ * Merge public key
+ *
+ * Use the high level NSS calls to extract the public key and import it
+ * into the token. Extra attributes are then copied to the new token.
+ */
+static SECStatus
+pk11_mergePublicKey(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ SECKEYPublicKey *sourceKey = NULL;
+ CK_OBJECT_HANDLE targetKeyID;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ CK_ATTRIBUTE pubTemplate[] = {
+ { CKA_ID, NULL, 0 },
+ { CKA_CLASS, NULL, 0 }
+ };
+ CK_ULONG pubTemplateCount = sizeof(pubTemplate) / sizeof(pubTemplate[0]);
+ CK_ATTRIBUTE pubCopyTemplate[] = {
+ { CKA_ID, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
+ { CKA_SUBJECT, NULL, 0 }
+ };
+ CK_ULONG pubCopyTemplateCount =
+ sizeof(pubCopyTemplate) / sizeof(pubCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* check to see if the key is already in the target slot */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, pubTemplate,
+ pubTemplateCount, id, &targetKeyID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+
+ /* Key is already in the target slot */
+ if (targetKeyID != CK_INVALID_HANDLE) {
+ /* not an error ... */
+ goto done;
+ }
+
+ /* fetch an NSS representation of the public key */
+ sourceKey = PK11_ExtractPublicKey(sourceSlot, nullKey, id);
+ if (sourceKey == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* load the public key into the target token. */
+ targetKeyID = PK11_ImportPublicKey(targetSlot, sourceKey, PR_TRUE);
+ if (targetKeyID == CK_INVALID_HANDLE) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* fill in remaining attributes */
+ rv = pk11_copyAttributes(arena, targetSlot, targetKeyID, sourceSlot, id,
+ pubCopyTemplate, pubCopyTemplateCount);
+
+done:
+ if (sourceKey) {
+ SECKEY_DestroyPublicKey(sourceKey);
+ }
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Certificates
+ *
+ *************************************************************************/
+
+/*
+ * Two copies of the source code for this algorithm exist in NSS.
+ * Changes must be made in both copies.
+ * The other copy is in sftkdb_resolveConflicts() in softoken/sftkdb.c.
+ */
+static char *
+pk11_IncrementNickname(char *nickname)
+{
+ char *newNickname = NULL;
+ int end;
+ int digit;
+ int len = strlen(nickname);
+
+ /* does nickname end with " #n*" ? */
+ for (end = len - 1;
+ end >= 2 && (digit = nickname[end]) <= '9' && digit >= '0';
+ end--) /* just scan */
+ ;
+ if (len >= 3 &&
+ end < (len - 1) /* at least one digit */ &&
+ nickname[end] == '#' &&
+ nickname[end - 1] == ' ') {
+ /* Already has a suitable suffix string */
+ } else {
+ /* ... append " #2" to the name */
+ static const char num2[] = " #2";
+ newNickname = PORT_Realloc(nickname, len + sizeof(num2));
+ if (newNickname) {
+ PORT_Strcat(newNickname, num2);
+ } else {
+ PORT_Free(nickname);
+ }
+ return newNickname;
+ }
+
+ for (end = len - 1;
+ end >= 0 && (digit = nickname[end]) <= '9' && digit >= '0';
+ end--) {
+ if (digit < '9') {
+ nickname[end]++;
+ return nickname;
+ }
+ nickname[end] = '0';
+ }
+
+ /* we overflowed, insert a new '1' for a carry in front of the number */
+ newNickname = PORT_Realloc(nickname, len + 2);
+ if (newNickname) {
+ newNickname[++end] = '1';
+ PORT_Memset(&newNickname[end + 1], '0', len - end);
+ newNickname[len + 1] = 0;
+ } else {
+ PORT_Free(nickname);
+ }
+ return newNickname;
+}
+
+/*
+ * merge a certificate object
+ *
+ * Use the high level NSS calls to extract and import the certificate.
+ */
+static SECStatus
+pk11_mergeCert(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ CERTCertificate *sourceCert = NULL;
+ CK_OBJECT_HANDLE targetCertID = CK_INVALID_HANDLE;
+ char *nickname = NULL;
+ SECStatus rv = SECSuccess;
+ PLArenaPool *arena = NULL;
+ CK_ATTRIBUTE sourceCKAID = { CKA_ID, NULL, 0 };
+ CK_ATTRIBUTE targetCKAID = { CKA_ID, NULL, 0 };
+ SECStatus lrv = SECSuccess;
+ int error = SEC_ERROR_LIBRARY_FAILURE;
+
+ sourceCert = PK11_MakeCertFromHandle(sourceSlot, id, NULL);
+ if (sourceCert == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ nickname = PK11_GetObjectNickname(sourceSlot, id);
+
+ /* The database code will prevent nickname collisions for certs with
+ * different subjects. This code will prevent us from getting
+ * actual import errors */
+ if (nickname) {
+ const char *tokenName = PK11_GetTokenName(targetSlot);
+ char *tokenNickname = NULL;
+
+ do {
+ tokenNickname = PR_smprintf("%s:%s", tokenName, nickname);
+ if (!tokenNickname) {
+ break;
+ }
+ if (!SEC_CertNicknameConflict(tokenNickname,
+ &sourceCert->derSubject, CERT_GetDefaultCertDB())) {
+ break;
+ }
+ nickname = pk11_IncrementNickname(nickname);
+ if (!nickname) {
+ break;
+ }
+ PR_smprintf_free(tokenNickname);
+ } while (1);
+ if (tokenNickname) {
+ PR_smprintf_free(tokenNickname);
+ }
+ }
+
+ /* see if the cert is already there */
+ targetCertID = PK11_FindCertInSlot(targetSlot, sourceCert, targetPwArg);
+ if (targetCertID == CK_INVALID_HANDLE) {
+ /* cert doesn't exist load the cert in. */
+ /* OK for the nickname to be NULL, not all certs have nicknames */
+ rv = PK11_ImportCert(targetSlot, sourceCert, CK_INVALID_HANDLE,
+ nickname, PR_FALSE);
+ goto done;
+ }
+
+ /* the cert already exists, see if the nickname and/or CKA_ID need
+ * to be updated */
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+
+ /* does our source have a CKA_ID ? */
+ rv = PK11_GetAttributes(arena, sourceSlot, id, &sourceCKAID, 1);
+ if (rv != SECSuccess) {
+ sourceCKAID.ulValueLen = 0;
+ }
+
+ /* if we have a source CKA_ID, see of we need to update the
+ * target's CKA_ID */
+ if (sourceCKAID.ulValueLen != 0) {
+ rv = PK11_GetAttributes(arena, targetSlot, targetCertID,
+ &targetCKAID, 1);
+ if (rv != SECSuccess) {
+ targetCKAID.ulValueLen = 0;
+ }
+ /* if the target has no CKA_ID, update it from the source */
+ if (targetCKAID.ulValueLen == 0) {
+ lrv = pk11_setAttributes(targetSlot, targetCertID, &sourceCKAID, 1);
+ if (lrv != SECSuccess) {
+ error = PORT_GetError();
+ }
+ }
+ }
+ rv = SECSuccess;
+
+ /* now check if we need to update the nickname */
+ if (nickname && *nickname) {
+ char *targetname;
+ targetname = PK11_GetObjectNickname(targetSlot, targetCertID);
+ if (!targetname || !*targetname) {
+ /* target has no nickname, or it's empty, update it */
+ rv = PK11_SetObjectNickname(targetSlot, targetCertID, nickname);
+ }
+ if (targetname) {
+ PORT_Free(targetname);
+ }
+ }
+
+ /* restore the error code if CKA_ID failed, but nickname didn't */
+ if ((rv == SECSuccess) && (lrv != SECSuccess)) {
+ rv = lrv;
+ PORT_SetError(error);
+ }
+
+done:
+ if (nickname) {
+ PORT_Free(nickname);
+ }
+ if (sourceCert) {
+ CERT_DestroyCertificate(sourceCert);
+ }
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Crls
+ *
+ *************************************************************************/
+
+/*
+ * Use the raw PKCS #11 interface to merge the CRLs.
+ *
+ * In the case where of collision, choose the newest CRL that is valid.
+ */
+static SECStatus
+pk11_mergeCrl(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ CK_OBJECT_HANDLE targetCrlID;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ CK_ATTRIBUTE crlTemplate[] = {
+ { CKA_SUBJECT, NULL, 0 },
+ { CKA_CLASS, NULL, 0 },
+ { CKA_NSS_KRL, NULL, 0 }
+ };
+ CK_ULONG crlTemplateCount = sizeof(crlTemplate) / sizeof(crlTemplate[0]);
+ CK_ATTRIBUTE crlCopyTemplate[] = {
+ { CKA_CLASS, NULL, 0 },
+ { CKA_TOKEN, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
+ { CKA_PRIVATE, NULL, 0 },
+ { CKA_MODIFIABLE, NULL, 0 },
+ { CKA_SUBJECT, NULL, 0 },
+ { CKA_NSS_KRL, NULL, 0 },
+ { CKA_NSS_URL, NULL, 0 },
+ { CKA_VALUE, NULL, 0 }
+ };
+ CK_ULONG crlCopyTemplateCount =
+ sizeof(crlCopyTemplate) / sizeof(crlCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ /* check to see if the crl is already in the target slot */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, crlTemplate,
+ crlTemplateCount, id, &targetCrlID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ if (targetCrlID != CK_INVALID_HANDLE) {
+ /* we already have a CRL, check to see which is more up-to-date. */
+ goto done;
+ }
+
+ /* load the CRL into the target token. */
+ rv = pk11_copyAttributes(arena, targetSlot, targetCrlID, sourceSlot, id,
+ crlCopyTemplate, crlCopyTemplateCount);
+done:
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * SMIME objects
+ *
+ *************************************************************************/
+
+/*
+ * use the raw PKCS #11 interface to merge the S/MIME records
+ */
+static SECStatus
+pk11_mergeSmime(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ CK_OBJECT_HANDLE targetSmimeID;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ CK_ATTRIBUTE smimeTemplate[] = {
+ { CKA_SUBJECT, NULL, 0 },
+ { CKA_NSS_EMAIL, NULL, 0 },
+ { CKA_CLASS, NULL, 0 },
+ };
+ CK_ULONG smimeTemplateCount =
+ sizeof(smimeTemplate) / sizeof(smimeTemplate[0]);
+ CK_ATTRIBUTE smimeCopyTemplate[] = {
+ { CKA_CLASS, NULL, 0 },
+ { CKA_TOKEN, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
+ { CKA_PRIVATE, NULL, 0 },
+ { CKA_MODIFIABLE, NULL, 0 },
+ { CKA_SUBJECT, NULL, 0 },
+ { CKA_NSS_EMAIL, NULL, 0 },
+ { CKA_NSS_SMIME_TIMESTAMP, NULL, 0 },
+ { CKA_VALUE, NULL, 0 }
+ };
+ CK_ULONG smimeCopyTemplateCount =
+ sizeof(smimeCopyTemplate) / sizeof(smimeCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ /* check to see if the crl is already in the target slot */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, smimeTemplate,
+ smimeTemplateCount, id, &targetSmimeID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ if (targetSmimeID != CK_INVALID_HANDLE) {
+ /* we already have a SMIME record */
+ goto done;
+ }
+
+ /* load the SMime Record into the target token. */
+ rv = pk11_copyAttributes(arena, targetSlot, targetSmimeID, sourceSlot, id,
+ smimeCopyTemplate, smimeCopyTemplateCount);
+done:
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Trust Objects
+ *
+ *************************************************************************/
+
+/*
+ * decide which trust record entry wins. PR_TRUE (source) or PR_FALSE (target)
+ */
+#define USE_TARGET PR_FALSE
+#define USE_SOURCE PR_TRUE
+PRBool
+pk11_mergeTrustEntry(CK_ATTRIBUTE *target, CK_ATTRIBUTE *source)
+{
+ CK_ULONG targetTrust = (target->ulValueLen == sizeof(CK_LONG)) ? *(CK_ULONG *)target->pValue
+ : CKT_NSS_TRUST_UNKNOWN;
+ CK_ULONG sourceTrust = (source->ulValueLen == sizeof(CK_LONG)) ? *(CK_ULONG *)source->pValue
+ : CKT_NSS_TRUST_UNKNOWN;
+
+ /*
+ * Examine a single entry and deside if the source or target version
+ * should win out. When all the entries have been checked, if there is
+ * any case we need to update, we will write the whole source record
+ * to the target database. That means for each individual record, if the
+ * target wins, we need to update the source (in case later we have a
+ * case where the source wins). If the source wins, it already
+ */
+ if (sourceTrust == targetTrust) {
+ return USE_TARGET; /* which equates to 'do nothing' */
+ }
+
+ if (sourceTrust == CKT_NSS_TRUST_UNKNOWN) {
+ return USE_TARGET;
+ }
+
+ /* target has no idea, use the source's idea of the trust value */
+ if (targetTrust == CKT_NSS_TRUST_UNKNOWN) {
+ /* source overwrites the target */
+ return USE_SOURCE;
+ }
+
+ /* so both the target and the source have some idea of what this
+ * trust attribute should be, and neither agree exactly.
+ * At this point, we prefer 'hard' attributes over 'soft' ones.
+ * 'hard' ones are CKT_NSS_TRUSTED, CKT_NSS_TRUSTED_DELEGATOR, and
+ * CKT_NSS_UNTRUTED. Soft ones are ones which don't change the
+ * actual trust of the cert (CKT_MUST_VERIFY, CKT_NSS_VALID,
+ * CKT_NSS_VALID_DELEGATOR).
+ */
+ if ((sourceTrust == CKT_NSS_MUST_VERIFY_TRUST) ||
+ (sourceTrust == CKT_NSS_VALID_DELEGATOR)) {
+ return USE_TARGET;
+ }
+ if ((targetTrust == CKT_NSS_MUST_VERIFY_TRUST) ||
+ (targetTrust == CKT_NSS_VALID_DELEGATOR)) {
+ /* source overrites the target */
+ return USE_SOURCE;
+ }
+
+ /* both have hard attributes, we have a conflict, let the target win. */
+ return USE_TARGET;
+}
+/*
+ * use the raw PKCS #11 interface to merge the S/MIME records
+ */
+static SECStatus
+pk11_mergeTrust(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+ CK_OBJECT_HANDLE targetTrustID;
+ PLArenaPool *arena = NULL;
+ SECStatus rv = SECSuccess;
+ int error = 0;
+ CK_ATTRIBUTE trustTemplate[] = {
+ { CKA_ISSUER, NULL, 0 },
+ { CKA_SERIAL_NUMBER, NULL, 0 },
+ { CKA_CLASS, NULL, 0 },
+ };
+ CK_ULONG trustTemplateCount =
+ sizeof(trustTemplate) / sizeof(trustTemplate[0]);
+ CK_ATTRIBUTE trustCopyTemplate[] = {
+ { CKA_CLASS, NULL, 0 },
+ { CKA_TOKEN, NULL, 0 },
+ { CKA_LABEL, NULL, 0 },
+ { CKA_PRIVATE, NULL, 0 },
+ { CKA_MODIFIABLE, NULL, 0 },
+ { CKA_ISSUER, NULL, 0 },
+ { CKA_SERIAL_NUMBER, NULL, 0 },
+ { CKA_CERT_SHA1_HASH, NULL, 0 },
+ { CKA_CERT_MD5_HASH, NULL, 0 },
+ { CKA_TRUST_SERVER_AUTH, NULL, 0 },
+ { CKA_TRUST_CLIENT_AUTH, NULL, 0 },
+ { CKA_TRUST_CODE_SIGNING, NULL, 0 },
+ { CKA_TRUST_EMAIL_PROTECTION, NULL, 0 },
+ { CKA_TRUST_STEP_UP_APPROVED, NULL, 0 }
+ };
+ CK_ULONG trustCopyTemplateCount =
+ sizeof(trustCopyTemplate) / sizeof(trustCopyTemplate[0]);
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ rv = SECFailure;
+ goto done;
+ }
+ /* check to see if the crl is already in the target slot */
+ rv = pk11_matchAcrossTokens(arena, targetSlot, sourceSlot, trustTemplate,
+ trustTemplateCount, id, &targetTrustID);
+ if (rv != SECSuccess) {
+ goto done;
+ }
+ if (targetTrustID != CK_INVALID_HANDLE) {
+ /* a matching trust record already exists, merge it in */
+ CK_ATTRIBUTE_TYPE trustAttrs[] = {
+ CKA_TRUST_SERVER_AUTH, CKA_TRUST_CLIENT_AUTH,
+ CKA_TRUST_CODE_SIGNING, CKA_TRUST_EMAIL_PROTECTION,
+ CKA_TRUST_IPSEC_TUNNEL, CKA_TRUST_IPSEC_USER,
+ CKA_TRUST_TIME_STAMPING
+ };
+ CK_ULONG trustAttrsCount =
+ sizeof(trustAttrs) / sizeof(trustAttrs[0]);
+
+ CK_ULONG i;
+ CK_ATTRIBUTE targetTemplate, sourceTemplate;
+
+ /* existing trust record, merge the two together */
+ for (i = 0; i < trustAttrsCount; i++) {
+ targetTemplate.type = sourceTemplate.type = trustAttrs[i];
+ targetTemplate.pValue = sourceTemplate.pValue = NULL;
+ targetTemplate.ulValueLen = sourceTemplate.ulValueLen = 0;
+ PK11_GetAttributes(arena, sourceSlot, id, &sourceTemplate, 1);
+ PK11_GetAttributes(arena, targetSlot, targetTrustID,
+ &targetTemplate, 1);
+ if (pk11_mergeTrustEntry(&targetTemplate, &sourceTemplate)) {
+ /* source wins, write out the source attribute to the target */
+ SECStatus lrv = pk11_setAttributes(targetSlot, targetTrustID,
+ &sourceTemplate, 1);
+ if (lrv != SECSuccess) {
+ rv = SECFailure;
+ error = PORT_GetError();
+ }
+ }
+ }
+
+ /* handle step */
+ sourceTemplate.type = CKA_TRUST_STEP_UP_APPROVED;
+ sourceTemplate.pValue = NULL;
+ sourceTemplate.ulValueLen = 0;
+
+ /* if the source has steup set, then set it in the target */
+ PK11_GetAttributes(arena, sourceSlot, id, &sourceTemplate, 1);
+ if ((sourceTemplate.ulValueLen == sizeof(CK_BBOOL)) &&
+ (sourceTemplate.pValue) &&
+ (*(CK_BBOOL *)sourceTemplate.pValue == CK_TRUE)) {
+ SECStatus lrv = pk11_setAttributes(targetSlot, targetTrustID,
+ &sourceTemplate, 1);
+ if (lrv != SECSuccess) {
+ rv = SECFailure;
+ error = PORT_GetError();
+ }
+ }
+
+ goto done;
+ }
+
+ /* load the new trust Record into the target token. */
+ rv = pk11_copyAttributes(arena, targetSlot, targetTrustID, sourceSlot, id,
+ trustCopyTemplate, trustCopyTemplateCount);
+done:
+ if (arena) {
+ PORT_FreeArena(arena, PR_FALSE);
+ }
+
+ /* restore the error code */
+ if (rv == SECFailure && error) {
+ PORT_SetError(error);
+ }
+
+ return rv;
+}
+
+/*************************************************************************
+ *
+ * Central merge code
+ *
+ *************************************************************************/
+/*
+ * merge a single object from sourceToken to targetToken
+ */
+static SECStatus
+pk11_mergeObject(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE id, void *targetPwArg, void *sourcePwArg)
+{
+
+ CK_OBJECT_CLASS objClass;
+
+ objClass = PK11_ReadULongAttribute(sourceSlot, id, CKA_CLASS);
+ if (objClass == (CK_ULONG)-1) {
+ PORT_SetError(SEC_ERROR_UNKNOWN_OBJECT_TYPE);
+ return SECFailure;
+ }
+
+ switch (objClass) {
+ case CKO_CERTIFICATE:
+ return pk11_mergeCert(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_NSS_TRUST:
+ return pk11_mergeTrust(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_PUBLIC_KEY:
+ return pk11_mergePublicKey(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_PRIVATE_KEY:
+ return pk11_mergePrivateKey(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_SECRET_KEY:
+ return pk11_mergeSecretKey(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_NSS_CRL:
+ return pk11_mergeCrl(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ case CKO_NSS_SMIME:
+ return pk11_mergeSmime(targetSlot, sourceSlot, id,
+ targetPwArg, sourcePwArg);
+ default:
+ break;
+ }
+
+ PORT_SetError(SEC_ERROR_UNKNOWN_OBJECT_TYPE);
+ return SECFailure;
+}
+
+PK11MergeLogNode *
+pk11_newMergeLogNode(PLArenaPool *arena,
+ PK11SlotInfo *slot, CK_OBJECT_HANDLE id, int error)
+{
+ PK11MergeLogNode *newLog;
+ PK11GenericObject *obj;
+
+ newLog = PORT_ArenaZNew(arena, PK11MergeLogNode);
+ if (newLog == NULL) {
+ return NULL;
+ }
+
+ obj = PORT_ArenaZNew(arena, PK11GenericObject);
+ if (!obj) {
+ return NULL;
+ }
+
+ /* initialize it */
+ obj->slot = slot;
+ obj->objectID = id;
+
+ newLog->object = obj;
+ newLog->error = error;
+ return newLog;
+}
+
+/*
+ * walk down each entry and merge it. keep track of the errors in the log
+ */
+static SECStatus
+pk11_mergeByObjectIDs(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ CK_OBJECT_HANDLE *objectIDs, int count,
+ PK11MergeLog *log, void *targetPwArg, void *sourcePwArg)
+{
+ SECStatus rv = SECSuccess;
+ int error = SEC_ERROR_LIBRARY_FAILURE;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ /* try to update the entire database. On failure, keep going,
+ * but remember the error to report back to the caller */
+ SECStatus lrv;
+ PK11MergeLogNode *newLog;
+
+ lrv = pk11_mergeObject(targetSlot, sourceSlot, objectIDs[i],
+ targetPwArg, sourcePwArg);
+ if (lrv == SECSuccess) {
+ /* merged with no problem, go to next object */
+ continue;
+ }
+
+ /* remember that we failed and why */
+ rv = SECFailure;
+ error = PORT_GetError();
+
+ /* log the errors */
+ if (!log) {
+ /* not logging, go to next entry */
+ continue;
+ }
+ newLog = pk11_newMergeLogNode(log->arena, sourceSlot,
+ objectIDs[i], error);
+ if (!newLog) {
+ /* failed to allocate entry, just keep going */
+ continue;
+ }
+
+ /* link in the errorlog entry */
+ newLog->next = NULL;
+ if (log->tail) {
+ log->tail->next = newLog;
+ } else {
+ log->head = newLog;
+ }
+ newLog->prev = log->tail;
+ log->tail = newLog;
+ }
+
+ /* restore the last error code */
+ if (rv != SECSuccess) {
+ PORT_SetError(error);
+ }
+ return rv;
+}
+
+/*
+ * Merge all the records in sourceSlot that aren't in targetSlot
+ *
+ * This function will return failure if not all the objects
+ * successfully merged.
+ *
+ * Applications can pass in an optional error log which will record
+ * each failing object and why it failed to import. PK11MergeLog
+ * is modelled after the CERTVerifyLog.
+ */
+SECStatus
+PK11_MergeTokens(PK11SlotInfo *targetSlot, PK11SlotInfo *sourceSlot,
+ PK11MergeLog *log, void *targetPwArg, void *sourcePwArg)
+{
+ SECStatus rv = SECSuccess, lrv = SECSuccess;
+ int error = SEC_ERROR_LIBRARY_FAILURE;
+ int count = 0;
+ CK_ATTRIBUTE search[2];
+ CK_OBJECT_HANDLE *objectIDs = NULL;
+ CK_BBOOL ck_true = CK_TRUE;
+ CK_OBJECT_CLASS privKey = CKO_PRIVATE_KEY;
+
+ PK11_SETATTRS(&search[0], CKA_TOKEN, &ck_true, sizeof(ck_true));
+ PK11_SETATTRS(&search[1], CKA_CLASS, &privKey, sizeof(privKey));
+ /*
+ * make sure both tokens are already authenticated if need be.
+ */
+ rv = PK11_Authenticate(targetSlot, PR_TRUE, targetPwArg);
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+ rv = PK11_Authenticate(sourceSlot, PR_TRUE, sourcePwArg);
+ if (rv != SECSuccess) {
+ goto loser;
+ }
+
+ /* turns out the old DB's are rather fragile if the private keys aren't
+ * merged in first, so do the private keys explicity. */
+ objectIDs = pk11_FindObjectsByTemplate(sourceSlot, search, 2, &count);
+ if (objectIDs) {
+ lrv = pk11_mergeByObjectIDs(targetSlot, sourceSlot,
+ objectIDs, count, log,
+ targetPwArg, sourcePwArg);
+ if (lrv != SECSuccess) {
+ error = PORT_GetError();
+ }
+ PORT_Free(objectIDs);
+ count = 0;
+ }
+
+ /* now do the rest (NOTE: this will repeat the private keys, but
+ * that shouldnt' be an issue as we will notice they are already
+ * merged in */
+ objectIDs = pk11_FindObjectsByTemplate(sourceSlot, search, 1, &count);
+ if (!objectIDs) {
+ rv = SECFailure;
+ goto loser;
+ }
+
+ rv = pk11_mergeByObjectIDs(targetSlot, sourceSlot, objectIDs, count, log,
+ targetPwArg, sourcePwArg);
+ if (rv == SECSuccess) {
+ /* if private keys failed, but the rest succeeded, be sure to let
+ * the caller know that private keys failed and why.
+ * NOTE: this is highly unlikely since the same keys that failed
+ * in the previous merge call will most likely fail in this one */
+ if (lrv != SECSuccess) {
+ rv = lrv;
+ PORT_SetError(error);
+ }
+ }
+
+loser:
+ if (objectIDs) {
+ PORT_Free(objectIDs);
+ }
+ return rv;
+}
+
+PK11MergeLog *
+PK11_CreateMergeLog(void)
+{
+ PLArenaPool *arena;
+ PK11MergeLog *log;
+
+ arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+ if (arena == NULL) {
+ return NULL;
+ }
+
+ log = PORT_ArenaZNew(arena, PK11MergeLog);
+ if (log == NULL) {
+ PORT_FreeArena(arena, PR_FALSE);
+ return NULL;
+ }
+ log->arena = arena;
+ log->version = 1;
+ return log;
+}
+
+void
+PK11_DestroyMergeLog(PK11MergeLog *log)
+{
+ if (log && log->arena) {
+ PORT_FreeArena(log->arena, PR_FALSE);
+ }
+}