+
−/* 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/. */
+
−
+
−/*
+
− * Permanent Certificate database handling code
+
− */
+
−#include "lowkeyti.h"
+
−#include "pcert.h"
+
−#include "mcom_db.h"
+
−#include "pcert.h"
+
−#include "secitem.h"
+
−#include "secder.h"
+
−
+
−#include "secerr.h"
+
−#include "lgdb.h"
+
−
+
−/* forward declaration */
+
−NSSLOWCERTCertificate *
+
−nsslowcert_FindCertByDERCertNoLocking(NSSLOWCERTCertDBHandle *handle, SECItem *derCert);
+
−static SECStatus
+
−nsslowcert_UpdateSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle,
+
−                              char *emailAddr, SECItem *derSubject, SECItem *emailProfile,
+
−                              SECItem *profileTime);
+
−static SECStatus
+
−nsslowcert_UpdatePermCert(NSSLOWCERTCertDBHandle *dbhandle,
+
−                          NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust);
+
−static SECStatus
+
−nsslowcert_UpdateCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl,
+
−                     SECItem *crlKey, char *url, PRBool isKRL);
+
−
+
−static NSSLOWCERTCertificate *certListHead = NULL;
+
−static NSSLOWCERTTrust *trustListHead = NULL;
+
−static certDBEntryCert *entryListHead = NULL;
+
−static int certListCount = 0;
+
−static int trustListCount = 0;
+
−static int entryListCount = 0;
+
−#define MAX_CERT_LIST_COUNT 10
+
−#define MAX_TRUST_LIST_COUNT 10
+
−#define MAX_ENTRY_LIST_COUNT 10
+
−
+
−/*
+
− * the following functions are wrappers for the db library that implement
+
− * a global lock to make the database thread safe.
+
− */
+
−static PZLock *dbLock = NULL;
+
−static PZLock *certRefCountLock = NULL;
+
−static PZLock *certTrustLock = NULL;
+
−static PZLock *freeListLock = NULL;
+
−
+
−void
+
−certdb_InitDBLock(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    if (dbLock == NULL) {
+
−        dbLock = PZ_NewLock(nssILockCertDB);
+
−        PORT_Assert(dbLock != NULL);
+
−    }
+
−}
+
−
+
−SECStatus
+
−nsslowcert_InitLocks(void)
+
−{
+
−    if (freeListLock == NULL) {
+
−        freeListLock = PZ_NewLock(nssILockRefLock);
+
−        if (freeListLock == NULL) {
+
−            return SECFailure;
+
−        }
+
−    }
+
−    if (certRefCountLock == NULL) {
+
−        certRefCountLock = PZ_NewLock(nssILockRefLock);
+
−        if (certRefCountLock == NULL) {
+
−            return SECFailure;
+
−        }
+
−    }
+
−    if (certTrustLock == NULL) {
+
−        certTrustLock = PZ_NewLock(nssILockCertDB);
+
−        if (certTrustLock == NULL) {
+
−            return SECFailure;
+
−        }
+
−    }
+
−
+
−    return SECSuccess;
+
−}
+
−
+
−/*
+
− * Acquire the global lock on the cert database.
+
− * This lock is currently used for the following operations:
+
− *  adding or deleting a cert to either the temp or perm databases
+
− *  converting a temp to perm or perm to temp
+
− *  changing (maybe just adding!?) the trust of a cert
+
− *      chaning the DB status checking Configuration
+
− */
+
−static void
+
−nsslowcert_LockDB(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    PZ_EnterMonitor(handle->dbMon);
+
−    return;
+
−}
+
−
+
−/*
+
− * Free the global cert database lock.
+
− */
+
−static void
+
−nsslowcert_UnlockDB(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−#ifdef DEBUG
+
−    PRStatus prstat = PZ_ExitMonitor(handle->dbMon);
+
−    PORT_Assert(prstat == PR_SUCCESS);
+
−#else
+
−    PZ_ExitMonitor(handle->dbMon);
+
−#endif
+
−}
+
−
+
−/*
+
− * Acquire the cert reference count lock
+
− * There is currently one global lock for all certs, but I'm putting a cert
+
− * arg here so that it will be easy to make it per-cert in the future if
+
− * that turns out to be necessary.
+
− */
+
−static void
+
−nsslowcert_LockCertRefCount(NSSLOWCERTCertificate *cert)
+
−{
+
−    PORT_Assert(certRefCountLock != NULL);
+
−
+
−    PZ_Lock(certRefCountLock);
+
−    return;
+
−}
+
−
+
−/*
+
− * Free the cert reference count lock
+
− */
+
−static void
+
−nsslowcert_UnlockCertRefCount(NSSLOWCERTCertificate *cert)
+
−{
+
−    PORT_Assert(certRefCountLock != NULL);
+
−
+
−#ifdef DEBUG
+
−    {
+
−        PRStatus prstat = PZ_Unlock(certRefCountLock);
+
−        PORT_Assert(prstat == PR_SUCCESS);
+
−    }
+
−#else
+
−    PZ_Unlock(certRefCountLock);
+
−#endif
+
−}
+
−
+
−/*
+
− * Acquire the cert trust lock
+
− * There is currently one global lock for all certs, but I'm putting a cert
+
− * arg here so that it will be easy to make it per-cert in the future if
+
− * that turns out to be necessary.
+
− */
+
−static void
+
−nsslowcert_LockCertTrust(NSSLOWCERTCertificate *cert)
+
−{
+
−    PORT_Assert(certTrustLock != NULL);
+
−
+
−    PZ_Lock(certTrustLock);
+
−    return;
+
−}
+
−
+
−/*
+
− * Free the cert trust lock
+
− */
+
−static void
+
−nsslowcert_UnlockCertTrust(NSSLOWCERTCertificate *cert)
+
−{
+
−    PORT_Assert(certTrustLock != NULL);
+
−
+
−#ifdef DEBUG
+
−    {
+
−        PRStatus prstat = PZ_Unlock(certTrustLock);
+
−        PORT_Assert(prstat == PR_SUCCESS);
+
−    }
+
−#else
+
−    PZ_Unlock(certTrustLock);
+
−#endif
+
−}
+
−
+
−/*
+
− * Acquire the cert reference count lock
+
− * There is currently one global lock for all certs, but I'm putting a cert
+
− * arg here so that it will be easy to make it per-cert in the future if
+
− * that turns out to be necessary.
+
− */
+
−static void
+
−nsslowcert_LockFreeList(void)
+
−{
+
−    PORT_Assert(freeListLock != NULL);
+
−
+
−    SKIP_AFTER_FORK(PZ_Lock(freeListLock));
+
−    return;
+
−}
+
−
+
−/*
+
− * Free the cert reference count lock
+
− */
+
−static void
+
−nsslowcert_UnlockFreeList(void)
+
−{
+
−    PORT_Assert(freeListLock != NULL);
+
−
+
−#ifdef DEBUG
+
−    {
+
−        PRStatus prstat = PR_SUCCESS;
+
−        SKIP_AFTER_FORK(prstat = PZ_Unlock(freeListLock));
+
−        PORT_Assert(prstat == PR_SUCCESS);
+
−    }
+
−#else
+
−    SKIP_AFTER_FORK(PZ_Unlock(freeListLock));
+
−#endif
+
−}
+
−
+
−NSSLOWCERTCertificate *
+
−nsslowcert_DupCertificate(NSSLOWCERTCertificate *c)
+
−{
+
−    if (c) {
+
−        nsslowcert_LockCertRefCount(c);
+
−        ++c->referenceCount;
+
−        nsslowcert_UnlockCertRefCount(c);
+
−    }
+
−    return c;
+
−}
+
−
+
−static int
+
−certdb_Get(DB *db, DBT *key, DBT *data, unsigned int flags)
+
−{
+
−    int ret;
+
−
+
−    PORT_Assert(dbLock != NULL);
+
−    PZ_Lock(dbLock);
+
−
+
−    ret = (*db->get)(db, key, data, flags);
+
−
+
−    (void)PZ_Unlock(dbLock);
+
−
+
−    return (ret);
+
−}
+
−
+
−static int
+
−certdb_Put(DB *db, DBT *key, DBT *data, unsigned int flags)
+
−{
+
−    int ret = 0;
+
−
+
−    PORT_Assert(dbLock != NULL);
+
−    PZ_Lock(dbLock);
+
−
+
−    ret = (*db->put)(db, key, data, flags);
+
−
+
−    (void)PZ_Unlock(dbLock);
+
−
+
−    return (ret);
+
−}
+
−
+
−static int
+
−certdb_Sync(DB *db, unsigned int flags)
+
−{
+
−    int ret;
+
−
+
−    PORT_Assert(dbLock != NULL);
+
−    PZ_Lock(dbLock);
+
−
+
−    ret = (*db->sync)(db, flags);
+
−
+
−    (void)PZ_Unlock(dbLock);
+
−
+
−    return (ret);
+
−}
+
−
+
−#define DB_NOT_FOUND -30991 /* from DBM 3.2 */
+
−static int
+
−certdb_Del(DB *db, DBT *key, unsigned int flags)
+
−{
+
−    int ret;
+
−
+
−    PORT_Assert(dbLock != NULL);
+
−    PZ_Lock(dbLock);
+
−
+
−    ret = (*db->del)(db, key, flags);
+
−
+
−    (void)PZ_Unlock(dbLock);
+
−
+
−    /* don't fail if the record is already deleted */
+
−    if (ret == DB_NOT_FOUND) {
+
−        ret = 0;
+
−    }
+
−
+
−    return (ret);
+
−}
+
−
+
−static int
+
−certdb_Seq(DB *db, DBT *key, DBT *data, unsigned int flags)
+
−{
+
−    int ret;
+
−
+
−    PORT_Assert(dbLock != NULL);
+
−    PZ_Lock(dbLock);
+
−
+
−    ret = (*db->seq)(db, key, data, flags);
+
−
+
−    (void)PZ_Unlock(dbLock);
+
−
+
−    return (ret);
+
−}
+
−
+
−static void
+
−certdb_Close(DB *db)
+
−{
+
−    PORT_Assert(dbLock != NULL);
+
−    SKIP_AFTER_FORK(PZ_Lock(dbLock));
+
−
+
−    (*db->close)(db);
+
−
+
−    SKIP_AFTER_FORK(PZ_Unlock(dbLock));
+
−
+
−    return;
+
−}
+
−
+
−void
+
−pkcs11_freeNickname(char *nickname, char *space)
+
−{
+
−    if (nickname && nickname != space) {
+
−        PORT_Free(nickname);
+
−    }
+
−}
+
−
+
−char *
+
−pkcs11_copyNickname(char *nickname, char *space, int spaceLen)
+
−{
+
−    int len;
+
−    char *copy = NULL;
+
−
+
−    len = PORT_Strlen(nickname) + 1;
+
−    if (len <= spaceLen) {
+
−        copy = space;
+
−        PORT_Memcpy(copy, nickname, len);
+
−    } else {
+
−        copy = PORT_Strdup(nickname);
+
−    }
+
−
+
−    return copy;
+
−}
+
−
+
−void
+
−pkcs11_freeStaticData(unsigned char *data, unsigned char *space)
+
−{
+
−    if (data && data != space) {
+
−        PORT_Free(data);
+
−    }
+
−}
+
−
+
−unsigned char *
+
−pkcs11_allocStaticData(int len, unsigned char *space, int spaceLen)
+
−{
+
−    unsigned char *data = NULL;
+
−
+
−    if (len <= spaceLen) {
+
−        data = space;
+
−    } else {
+
−        data = (unsigned char *)PORT_Alloc(len);
+
−    }
+
−
+
−    return data;
+
−}
+
−
+
−unsigned char *
+
−pkcs11_copyStaticData(unsigned char *data, int len,
+
−                      unsigned char *space, int spaceLen)
+
−{
+
−    unsigned char *copy = pkcs11_allocStaticData(len, space, spaceLen);
+
−    if (copy) {
+
−        PORT_Memcpy(copy, data, len);
+
−    }
+
−
+
−    return copy;
+
−}
+
−
+
−/*
+
− * destroy a database entry
+
− */
+
−static void
+
−DestroyDBEntry(certDBEntry *entry)
+
−{
+
−    PLArenaPool *arena = entry->common.arena;
+
−
+
−    /* must be one of our certDBEntry from the free list */
+
−    if (arena == NULL) {
+
−        certDBEntryCert *certEntry;
+
−        if (entry->common.type != certDBEntryTypeCert) {
+
−            return;
+
−        }
+
−        certEntry = (certDBEntryCert *)entry;
+
−
+
−        pkcs11_freeStaticData(certEntry->derCert.data, certEntry->derCertSpace);
+
−        pkcs11_freeNickname(certEntry->nickname, certEntry->nicknameSpace);
+
−
+
−        nsslowcert_LockFreeList();
+
−        if (entryListCount > MAX_ENTRY_LIST_COUNT) {
+
−            PORT_Free(certEntry);
+
−        } else {
+
−            entryListCount++;
+
−            PORT_Memset(certEntry, 0, sizeof(*certEntry));
+
−            certEntry->next = entryListHead;
+
−            entryListHead = certEntry;
+
−        }
+
−        nsslowcert_UnlockFreeList();
+
−        return;
+
−    }
+
−
+
−    /* Zero out the entry struct, so that any further attempts to use it
+
−     * will cause an exception (e.g. null pointer reference). */
+
−    PORT_Memset(&entry->common, 0, sizeof entry->common);
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−
+
−    return;
+
−}
+
−
+
−/* forward references */
+
−static void nsslowcert_DestroyCertificateNoLocking(NSSLOWCERTCertificate *cert);
+
−
+
−static SECStatus
+
−DeleteDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryType type, SECItem *dbkey)
+
−{
+
−    DBT key;
+
−    int ret;
+
−
+
−    /* init the database key */
+
−    key.data = dbkey->data;
+
−    key.size = dbkey->len;
+
−
+
−    dbkey->data[0] = (unsigned char)type;
+
−
+
−    /* delete entry from database */
+
−    ret = certdb_Del(handle->permCertDB, &key, 0);
+
−    if (ret != 0) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    ret = certdb_Sync(handle->permCertDB, 0);
+
−    if (ret) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−ReadDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCommon *entry,
+
−            SECItem *dbkey, SECItem *dbentry, PLArenaPool *arena)
+
−{
+
−    DBT data, key;
+
−    int ret;
+
−    unsigned char *buf;
+
−
+
−    /* init the database key */
+
−    key.data = dbkey->data;
+
−    key.size = dbkey->len;
+
−
+
−    dbkey->data[0] = (unsigned char)entry->type;
+
−
+
−    /* read entry from database */
+
−    ret = certdb_Get(handle->permCertDB, &key, &data, 0);
+
−    if (ret != 0) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* validate the entry */
+
−    if (data.size < SEC_DB_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−    buf = (unsigned char *)data.data;
+
−    /* version 7 has the same schema, we may be using a v7 db if we openned
+
−     * the databases readonly. */
+
−    if (!((buf[0] == (unsigned char)CERT_DB_FILE_VERSION) ||
+
−          (buf[0] == (unsigned char)CERT_DB_V7_FILE_VERSION))) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−    if (buf[1] != (unsigned char)entry->type) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* copy out header information */
+
−    entry->version = (unsigned int)buf[0];
+
−    entry->type = (certDBEntryType)buf[1];
+
−    entry->flags = (unsigned int)buf[2];
+
−
+
−    /* format body of entry for return to caller */
+
−    dbentry->len = data.size - SEC_DB_ENTRY_HEADER_LEN;
+
−    if (dbentry->len) {
+
−        if (arena) {
+
−            dbentry->data = (unsigned char *)
+
−                PORT_ArenaAlloc(arena, dbentry->len);
+
−            if (dbentry->data == NULL) {
+
−                PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−                goto loser;
+
−            }
+
−
+
−            PORT_Memcpy(dbentry->data, &buf[SEC_DB_ENTRY_HEADER_LEN],
+
−                        dbentry->len);
+
−        } else {
+
−            dbentry->data = &buf[SEC_DB_ENTRY_HEADER_LEN];
+
−        }
+
−    } else {
+
−        dbentry->data = NULL;
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/**
+
− ** Implement low level database access
+
− **/
+
−static SECStatus
+
−WriteDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCommon *entry,
+
−             SECItem *dbkey, SECItem *dbentry)
+
−{
+
−    int ret;
+
−    DBT data, key;
+
−    unsigned char *buf;
+
−
+
−    data.data = dbentry->data;
+
−    data.size = dbentry->len;
+
−
+
−    buf = (unsigned char *)data.data;
+
−
+
−    buf[0] = (unsigned char)entry->version;
+
−    buf[1] = (unsigned char)entry->type;
+
−    buf[2] = (unsigned char)entry->flags;
+
−
+
−    key.data = dbkey->data;
+
−    key.size = dbkey->len;
+
−
+
−    dbkey->data[0] = (unsigned char)entry->type;
+
−
+
−    /* put the record into the database now */
+
−    ret = certdb_Put(handle->permCertDB, &key, &data, 0);
+
−
+
−    if (ret != 0) {
+
−        goto loser;
+
−    }
+
−
+
−    ret = certdb_Sync(handle->permCertDB, 0);
+
−
+
−    if (ret) {
+
−        goto loser;
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * encode a database cert record
+
− */
+
−static SECStatus
+
−EncodeDBCertEntry(certDBEntryCert *entry, PLArenaPool *arena, SECItem *dbitem)
+
−{
+
−    unsigned int nnlen;
+
−    unsigned char *buf;
+
−    char *nn;
+
−    char zbuf = 0;
+
−
+
−    if (entry->nickname) {
+
−        nn = entry->nickname;
+
−    } else {
+
−        nn = &zbuf;
+
−    }
+
−    nnlen = PORT_Strlen(nn) + 1;
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem->len = entry->derCert.len + nnlen + DB_CERT_ENTRY_HEADER_LEN +
+
−                  SEC_DB_ENTRY_HEADER_LEN;
+
−
+
−    dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
+
−    if (dbitem->data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in database record */
+
−    buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
+
−
+
−    buf[0] = (PRUint8)(entry->trust.sslFlags >> 8);
+
−    buf[1] = (PRUint8)(entry->trust.sslFlags);
+
−    buf[2] = (PRUint8)(entry->trust.emailFlags >> 8);
+
−    buf[3] = (PRUint8)(entry->trust.emailFlags);
+
−    buf[4] = (PRUint8)(entry->trust.objectSigningFlags >> 8);
+
−    buf[5] = (PRUint8)(entry->trust.objectSigningFlags);
+
−    buf[6] = (PRUint8)(entry->derCert.len >> 8);
+
−    buf[7] = (PRUint8)(entry->derCert.len);
+
−    buf[8] = (PRUint8)(nnlen >> 8);
+
−    buf[9] = (PRUint8)(nnlen);
+
−
+
−    PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN], entry->derCert.data,
+
−                entry->derCert.len);
+
−
+
−    PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN + entry->derCert.len],
+
−                nn, nnlen);
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * encode a database key for a cert record
+
− */
+
−static SECStatus
+
−EncodeDBCertKey(const SECItem *certKey, PLArenaPool *arena, SECItem *dbkey)
+
−{
+
−    unsigned int len = certKey->len + SEC_DB_KEY_HEADER_LEN;
+
−    if (len > NSS_MAX_LEGACY_DB_KEY_SIZE)
+
−        goto loser;
+
−    if (arena) {
+
−        dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, len);
+
−    } else {
+
−        if (dbkey->len < len) {
+
−            dbkey->data = (unsigned char *)PORT_Alloc(len);
+
−        }
+
−    }
+
−    dbkey->len = len;
+
−    if (dbkey->data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN],
+
−                certKey->data, certKey->len);
+
−    dbkey->data[0] = certDBEntryTypeCert;
+
−
+
−    return (SECSuccess);
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−EncodeDBGenericKey(const SECItem *certKey, PLArenaPool *arena, SECItem *dbkey,
+
−                   certDBEntryType entryType)
+
−{
+
−    /*
+
−     * we only allow _one_ KRL key!
+
−     */
+
−    if (entryType == certDBEntryTypeKeyRevocation) {
+
−        dbkey->len = SEC_DB_KEY_HEADER_LEN;
+
−        dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
+
−        if (dbkey->data == NULL) {
+
−            goto loser;
+
−        }
+
−        dbkey->data[0] = (unsigned char)entryType;
+
−        return (SECSuccess);
+
−    }
+
−
+
−    dbkey->len = certKey->len + SEC_DB_KEY_HEADER_LEN;
+
−    if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE)
+
−        goto loser;
+
−    dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
+
−    if (dbkey->data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN],
+
−                certKey->data, certKey->len);
+
−    dbkey->data[0] = (unsigned char)entryType;
+
−
+
−    return (SECSuccess);
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−DecodeDBCertEntry(certDBEntryCert *entry, SECItem *dbentry)
+
−{
+
−    unsigned int nnlen;
+
−    unsigned int headerlen;
+
−    int lenoff;
+
−
+
−    /* allow updates of old versions of the database */
+
−    switch (entry->common.version) {
+
−        case 5:
+
−            headerlen = DB_CERT_V5_ENTRY_HEADER_LEN;
+
−            lenoff = 3;
+
−            break;
+
−        case 6:
+
−            /* should not get here */
+
−            PORT_Assert(0);
+
−            headerlen = DB_CERT_V6_ENTRY_HEADER_LEN;
+
−            lenoff = 3;
+
−            break;
+
−        case 7:
+
−        case 8:
+
−            headerlen = DB_CERT_ENTRY_HEADER_LEN;
+
−            lenoff = 6;
+
−            break;
+
−        default:
+
−            /* better not get here */
+
−            PORT_Assert(0);
+
−            headerlen = DB_CERT_V5_ENTRY_HEADER_LEN;
+
−            lenoff = 3;
+
−            break;
+
−    }
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry->len < headerlen) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* is database entry correct length? */
+
−    entry->derCert.len = ((dbentry->data[lenoff] << 8) |
+
−                          dbentry->data[lenoff + 1]);
+
−    nnlen = ((dbentry->data[lenoff + 2] << 8) | dbentry->data[lenoff + 3]);
+
−    lenoff = dbentry->len - (entry->derCert.len + nnlen + headerlen);
+
−    if (lenoff) {
+
−        if (lenoff < 0 || (lenoff & 0xffff) != 0) {
+
−            PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−            goto loser;
+
−        }
+
−        /* The cert size exceeded 64KB.  Reconstruct the correct length. */
+
−        entry->derCert.len += lenoff;
+
−    }
+
−
+
−    /* Is data long enough? */
+
−    if (dbentry->len < headerlen + entry->derCert.len) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* copy the dercert */
+
−    entry->derCert.data = pkcs11_copyStaticData(&dbentry->data[headerlen],
+
−                                                entry->derCert.len, entry->derCertSpace, sizeof(entry->derCertSpace));
+
−    if (entry->derCert.data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* copy the nickname */
+
−    if (nnlen > 1) {
+
−        /* Is data long enough? */
+
−        if (dbentry->len < headerlen + entry->derCert.len + nnlen) {
+
−            PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−            goto loser;
+
−        }
+
−        entry->nickname = (char *)pkcs11_copyStaticData(
+
−            &dbentry->data[headerlen + entry->derCert.len], nnlen,
+
−            (unsigned char *)entry->nicknameSpace,
+
−            sizeof(entry->nicknameSpace));
+
−        if (entry->nickname == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−    } else {
+
−        entry->nickname = NULL;
+
−    }
+
−
+
−    if (entry->common.version < 7) {
+
−        /* allow updates of v5 db */
+
−        entry->trust.sslFlags = dbentry->data[0];
+
−        entry->trust.emailFlags = dbentry->data[1];
+
−        entry->trust.objectSigningFlags = dbentry->data[2];
+
−    } else {
+
−        entry->trust.sslFlags = (dbentry->data[0] << 8) | dbentry->data[1];
+
−        entry->trust.emailFlags = (dbentry->data[2] << 8) | dbentry->data[3];
+
−        entry->trust.objectSigningFlags =
+
−            (dbentry->data[4] << 8) | dbentry->data[5];
+
−    }
+
−
+
−    return (SECSuccess);
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Create a new certDBEntryCert from existing data
+
− */
+
−static certDBEntryCert *
+
−NewDBCertEntry(SECItem *derCert, char *nickname,
+
−               NSSLOWCERTCertTrust *trust, int flags)
+
−{
+
−    certDBEntryCert *entry;
+
−    PLArenaPool *arena = NULL;
+
−    int nnlen;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−
+
−    if (!arena) {
+
−        goto loser;
+
−    }
+
−
+
−    entry = PORT_ArenaZNew(arena, certDBEntryCert);
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in the dbCert */
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeCert;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    if (trust) {
+
−        entry->trust = *trust;
+
−    }
+
−
+
−    entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, derCert->len);
+
−    if (!entry->derCert.data) {
+
−        goto loser;
+
−    }
+
−    entry->derCert.len = derCert->len;
+
−    PORT_Memcpy(entry->derCert.data, derCert->data, derCert->len);
+
−
+
−    nnlen = (nickname ? strlen(nickname) + 1 : 0);
+
−
+
−    if (nnlen) {
+
−        entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−        if (!entry->nickname) {
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->nickname, nickname, nnlen);
+
−
+
−    } else {
+
−        entry->nickname = 0;
+
−    }
+
−
+
−    return (entry);
+
−
+
−loser:
+
−
+
−    /* allocation error, free arena and return */
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−    return (0);
+
−}
+
−
+
−/*
+
− * Decode a version 4 DBCert from the byte stream database format
+
− * and construct a current database entry struct
+
− */
+
−static certDBEntryCert *
+
−DecodeV4DBCertEntry(unsigned char *buf, int len)
+
−{
+
−    certDBEntryCert *entry;
+
−    int certlen;
+
−    int nnlen;
+
−    PLArenaPool *arena;
+
−
+
−    /* make sure length is at least long enough for the header */
+
−    if (len < DBCERT_V4_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        return (0);
+
−    }
+
−
+
−    /* get other lengths */
+
−    certlen = buf[3] << 8 | buf[4];
+
−    nnlen = buf[5] << 8 | buf[6];
+
−
+
−    /* make sure DB entry is the right size */
+
−    if ((certlen + nnlen + DBCERT_V4_HEADER_LEN) != len) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        return (0);
+
−    }
+
−
+
−    /* allocate arena */
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−
+
−    if (!arena) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        return (0);
+
−    }
+
−
+
−    /* allocate structure and members */
+
−    entry = (certDBEntryCert *)PORT_ArenaAlloc(arena, sizeof(certDBEntryCert));
+
−
+
−    if (!entry) {
+
−        goto loser;
+
−    }
+
−
+
−    entry->common.arena = arena;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.type = certDBEntryTypeCert;
+
−    entry->common.flags = 0;
+
−    entry->trust.sslFlags = buf[0];
+
−    entry->trust.emailFlags = buf[1];
+
−    entry->trust.objectSigningFlags = buf[2];
+
−
+
−    entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, certlen);
+
−    if (!entry->derCert.data) {
+
−        goto loser;
+
−    }
+
−    entry->derCert.len = certlen;
+
−    PORT_Memcpy(entry->derCert.data, &buf[DBCERT_V4_HEADER_LEN], certlen);
+
−
+
−    if (nnlen) {
+
−        entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−        if (!entry->nickname) {
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->nickname, &buf[DBCERT_V4_HEADER_LEN + certlen], nnlen);
+
−
+
−        if (PORT_Strcmp(entry->nickname, "Server-Cert") == 0) {
+
−            entry->trust.sslFlags |= CERTDB_USER;
+
−        }
+
−    } else {
+
−        entry->nickname = 0;
+
−    }
+
−
+
−    return (entry);
+
−
+
−loser:
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−    return (0);
+
−}
+
−
+
−/*
+
− * Encode a Certificate database entry into byte stream suitable for
+
− * the database
+
− */
+
−static SECStatus
+
−WriteDBCertEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry)
+
−{
+
−    SECItem dbitem, dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECItem tmpitem;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBCertEntry(entry, tmparena, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* get the database key and format it */
+
−    rv = nsslowcert_KeyFromDERCert(tmparena, &entry->derCert, &tmpitem);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBCertKey(&tmpitem, tmparena, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * delete a certificate entry
+
− */
+
−static SECStatus
+
−DeleteDBCertEntry(NSSLOWCERTCertDBHandle *handle, SECItem *certKey)
+
−{
+
−    SECItem dbkey;
+
−    SECStatus rv;
+
−
+
−    dbkey.data = NULL;
+
−    dbkey.len = 0;
+
−
+
−    rv = EncodeDBCertKey(certKey, NULL, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DeleteDBEntry(handle, certDBEntryTypeCert, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_Free(dbkey.data);
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (dbkey.data) {
+
−        PORT_Free(dbkey.data);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−static certDBEntryCert *
+
−CreateCertEntry(void)
+
−{
+
−    certDBEntryCert *entry;
+
−
+
−    nsslowcert_LockFreeList();
+
−    entry = entryListHead;
+
−    if (entry) {
+
−        entryListCount--;
+
−        entryListHead = entry->next;
+
−    }
+
−    PORT_Assert(entryListCount >= 0);
+
−    nsslowcert_UnlockFreeList();
+
−    if (entry) {
+
−        return entry;
+
−    }
+
−
+
−    return PORT_ZNew(certDBEntryCert);
+
−}
+
−
+
−static void
+
−DestroyCertEntryFreeList(void)
+
−{
+
−    certDBEntryCert *entry;
+
−
+
−    nsslowcert_LockFreeList();
+
−    while (NULL != (entry = entryListHead)) {
+
−        entryListCount--;
+
−        entryListHead = entry->next;
+
−        PORT_Free(entry);
+
−    }
+
−    PORT_Assert(!entryListCount);
+
−    entryListCount = 0;
+
−    nsslowcert_UnlockFreeList();
+
−}
+
−
+
−/*
+
− * Read a certificate entry
+
− */
+
−static certDBEntryCert *
+
−ReadDBCertEntry(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey)
+
−{
+
−    certDBEntryCert *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−    unsigned char buf[512];
+
−
+
−    dbkey.data = buf;
+
−    dbkey.len = sizeof(buf);
+
−
+
−    entry = CreateCertEntry();
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = NULL;
+
−    entry->common.type = certDBEntryTypeCert;
+
−
+
−    rv = EncodeDBCertKey(certKey, NULL, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, NULL);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DecodeDBCertEntry(entry, &dbentry);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    pkcs11_freeStaticData(dbkey.data, buf);
+
−    dbkey.data = NULL;
+
−    return (entry);
+
−
+
−loser:
+
−    pkcs11_freeStaticData(dbkey.data, buf);
+
−    dbkey.data = NULL;
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * encode a database cert record
+
− */
+
−static SECStatus
+
−EncodeDBCrlEntry(certDBEntryRevocation *entry, PLArenaPool *arena, SECItem *dbitem)
+
−{
+
−    unsigned int nnlen = 0;
+
−    unsigned char *buf;
+
−
+
−    if (entry->url) {
+
−        nnlen = PORT_Strlen(entry->url) + 1;
+
−    }
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem->len = entry->derCrl.len + nnlen + SEC_DB_ENTRY_HEADER_LEN + DB_CRL_ENTRY_HEADER_LEN;
+
−
+
−    dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
+
−    if (dbitem->data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in database record */
+
−    buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
+
−
+
−    buf[0] = (PRUint8)(entry->derCrl.len >> 8);
+
−    buf[1] = (PRUint8)(entry->derCrl.len);
+
−    buf[2] = (PRUint8)(nnlen >> 8);
+
−    buf[3] = (PRUint8)(nnlen);
+
−
+
−    PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN], entry->derCrl.data,
+
−                entry->derCrl.len);
+
−
+
−    if (nnlen != 0) {
+
−        PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len],
+
−                    entry->url, nnlen);
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−DecodeDBCrlEntry(certDBEntryRevocation *entry, SECItem *dbentry)
+
−{
+
−    unsigned int urlLen;
+
−    int lenDiff;
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry->len < DB_CRL_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* is database entry correct length? */
+
−    entry->derCrl.len = ((dbentry->data[0] << 8) | dbentry->data[1]);
+
−    urlLen = ((dbentry->data[2] << 8) | dbentry->data[3]);
+
−    lenDiff = dbentry->len -
+
−              (entry->derCrl.len + urlLen + DB_CRL_ENTRY_HEADER_LEN);
+
−    if (lenDiff) {
+
−        if (lenDiff < 0 || (lenDiff & 0xffff) != 0) {
+
−            PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−            goto loser;
+
−        }
+
−        /* CRL entry is greater than 64 K. Hack to make this continue to work */
+
−        entry->derCrl.len += lenDiff;
+
−    }
+
−
+
−    /* copy the der CRL */
+
−    entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                                          entry->derCrl.len);
+
−    if (entry->derCrl.data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(entry->derCrl.data, &dbentry->data[DB_CRL_ENTRY_HEADER_LEN],
+
−                entry->derCrl.len);
+
−
+
−    /* copy the url */
+
−    entry->url = NULL;
+
−    if (urlLen != 0) {
+
−        entry->url = (char *)PORT_ArenaAlloc(entry->common.arena, urlLen);
+
−        if (entry->url == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->url,
+
−                    &dbentry->data[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len],
+
−                    urlLen);
+
−    }
+
−
+
−    return (SECSuccess);
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Create a new certDBEntryRevocation from existing data
+
− */
+
−static certDBEntryRevocation *
+
−NewDBCrlEntry(SECItem *derCrl, char *url, certDBEntryType crlType, int flags)
+
−{
+
−    certDBEntryRevocation *entry;
+
−    PLArenaPool *arena = NULL;
+
−    int nnlen;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−
+
−    if (!arena) {
+
−        goto loser;
+
−    }
+
−
+
−    entry = PORT_ArenaZNew(arena, certDBEntryRevocation);
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in the dbRevolcation */
+
−    entry->common.arena = arena;
+
−    entry->common.type = crlType;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(arena, derCrl->len);
+
−    if (!entry->derCrl.data) {
+
−        goto loser;
+
−    }
+
−
+
−    if (url) {
+
−        nnlen = PORT_Strlen(url) + 1;
+
−        entry->url = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−        if (!entry->url) {
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->url, url, nnlen);
+
−    } else {
+
−        entry->url = NULL;
+
−    }
+
−
+
−    entry->derCrl.len = derCrl->len;
+
−    PORT_Memcpy(entry->derCrl.data, derCrl->data, derCrl->len);
+
−
+
−    return (entry);
+
−
+
−loser:
+
−
+
−    /* allocation error, free arena and return */
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−    return (0);
+
−}
+
−
+
−static SECStatus
+
−WriteDBCrlEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryRevocation *entry,
+
−                SECItem *crlKey)
+
−{
+
−    SECItem dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECItem encodedEntry;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBCrlEntry(entry, tmparena, &encodedEntry);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBGenericKey(crlKey, tmparena, &dbkey, entry->common.type);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &encodedEntry);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−/*
+
− * delete a crl entry
+
− */
+
−static SECStatus
+
−DeleteDBCrlEntry(NSSLOWCERTCertDBHandle *handle, const SECItem *crlKey,
+
−                 certDBEntryType crlType)
+
−{
+
−    SECItem dbkey;
+
−    PLArenaPool *arena = NULL;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBGenericKey(crlKey, arena, &dbkey, crlType);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DeleteDBEntry(handle, crlType, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Read a certificate entry
+
− */
+
−static certDBEntryRevocation *
+
−ReadDBCrlEntry(NSSLOWCERTCertDBHandle *handle, SECItem *certKey,
+
−               certDBEntryType crlType)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    PLArenaPool *tmparena = NULL;
+
−    certDBEntryRevocation *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntryRevocation *)
+
−        PORT_ArenaAlloc(arena, sizeof(certDBEntryRevocation));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = crlType;
+
−
+
−    rv = EncodeDBGenericKey(certKey, tmparena, &dbkey, crlType);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, NULL);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DecodeDBCrlEntry(entry, &dbentry);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (entry);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−void
+
−nsslowcert_DestroyDBEntry(certDBEntry *entry)
+
−{
+
−    DestroyDBEntry(entry);
+
−    return;
+
−}
+
−
+
−/*
+
− * Encode a database nickname record
+
− */
+
−static SECStatus
+
−EncodeDBNicknameEntry(certDBEntryNickname *entry, PLArenaPool *arena,
+
−                      SECItem *dbitem)
+
−{
+
−    unsigned char *buf;
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem->len = entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN +
+
−                  SEC_DB_ENTRY_HEADER_LEN;
+
−    dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
+
−    if (dbitem->data == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in database record */
+
−    buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
+
−    buf[0] = (PRUint8)(entry->subjectName.len >> 8);
+
−    buf[1] = (PRUint8)(entry->subjectName.len);
+
−    PORT_Memcpy(&buf[DB_NICKNAME_ENTRY_HEADER_LEN], entry->subjectName.data,
+
−                entry->subjectName.len);
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Encode a database key for a nickname record
+
− */
+
−static SECStatus
+
−EncodeDBNicknameKey(char *nickname, PLArenaPool *arena,
+
−                    SECItem *dbkey)
+
−{
+
−    unsigned int nnlen;
+
−
+
−    nnlen = PORT_Strlen(nickname) + 1; /* includes null */
+
−
+
−    /* now get the database key and format it */
+
−    dbkey->len = nnlen + SEC_DB_KEY_HEADER_LEN;
+
−    if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE)
+
−        goto loser;
+
−    dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
+
−    if (dbkey->data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], nickname, nnlen);
+
−    dbkey->data[0] = certDBEntryTypeNickname;
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−DecodeDBNicknameEntry(certDBEntryNickname *entry, SECItem *dbentry,
+
−                      char *nickname)
+
−{
+
−    int lenDiff;
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry->len < DB_NICKNAME_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* is database entry correct length? */
+
−    entry->subjectName.len = ((dbentry->data[0] << 8) | dbentry->data[1]);
+
−    lenDiff = dbentry->len -
+
−              (entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN);
+
−    if (lenDiff) {
+
−        if (lenDiff < 0 || (lenDiff & 0xffff) != 0) {
+
−            PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−            goto loser;
+
−        }
+
−        /* The entry size exceeded 64KB.  Reconstruct the correct length. */
+
−        entry->subjectName.len += lenDiff;
+
−    }
+
−
+
−    /* copy the certkey */
+
−    entry->subjectName.data =
+
−        (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                         entry->subjectName.len);
+
−    if (entry->subjectName.data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(entry->subjectName.data,
+
−                &dbentry->data[DB_NICKNAME_ENTRY_HEADER_LEN],
+
−                entry->subjectName.len);
+
−    entry->subjectName.type = siBuffer;
+
−
+
−    entry->nickname = (char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                              PORT_Strlen(nickname) + 1);
+
−    if (entry->nickname) {
+
−        PORT_Strcpy(entry->nickname, nickname);
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * create a new nickname entry
+
− */
+
−static certDBEntryNickname *
+
−NewDBNicknameEntry(char *nickname, SECItem *subjectName, unsigned int flags)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntryNickname *entry;
+
−    int nnlen;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena,
+
−                                                   sizeof(certDBEntryNickname));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* init common fields */
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeNickname;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    /* copy the nickname */
+
−    nnlen = PORT_Strlen(nickname) + 1;
+
−
+
−    entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−    if (entry->nickname == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_Memcpy(entry->nickname, nickname, nnlen);
+
−
+
−    rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    return (entry);
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * delete a nickname entry
+
− */
+
−static SECStatus
+
−DeleteDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, char *nickname)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    SECStatus rv;
+
−    SECItem dbkey;
+
−
+
−    if (nickname == NULL) {
+
−        return (SECSuccess);
+
−    }
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBNicknameKey(nickname, arena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DeleteDBEntry(handle, certDBEntryTypeNickname, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Read a nickname entry
+
− */
+
−static certDBEntryNickname *
+
−ReadDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, char *nickname)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    PLArenaPool *tmparena = NULL;
+
−    certDBEntryNickname *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena,
+
−                                                   sizeof(certDBEntryNickname));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeNickname;
+
−
+
−    rv = EncodeDBNicknameKey(nickname, tmparena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry.len < DB_NICKNAME_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    rv = DecodeDBNicknameEntry(entry, &dbentry, nickname);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (entry);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * Encode a nickname entry into byte stream suitable for
+
− * the database
+
− */
+
−static SECStatus
+
−WriteDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryNickname *entry)
+
−{
+
−    SECItem dbitem, dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBNicknameEntry(entry, tmparena, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBNicknameKey(entry->nickname, tmparena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−EncodeDBSMimeEntry(certDBEntrySMime *entry, PLArenaPool *arena,
+
−                   SECItem *dbitem)
+
−{
+
−    unsigned char *buf;
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem->len = entry->subjectName.len + entry->smimeOptions.len +
+
−                  entry->optionsDate.len +
+
−                  DB_SMIME_ENTRY_HEADER_LEN + SEC_DB_ENTRY_HEADER_LEN;
+
−
+
−    dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
+
−    if (dbitem->data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in database record */
+
−    buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
+
−
+
−    buf[0] = (PRUint8)(entry->subjectName.len >> 8);
+
−    buf[1] = (PRUint8)(entry->subjectName.len);
+
−    buf[2] = (PRUint8)(entry->smimeOptions.len >> 8);
+
−    buf[3] = (PRUint8)(entry->smimeOptions.len);
+
−    buf[4] = (PRUint8)(entry->optionsDate.len >> 8);
+
−    buf[5] = (PRUint8)(entry->optionsDate.len);
+
−
+
−    /* if no smime options, then there should not be an options date either */
+
−    PORT_Assert(!((entry->smimeOptions.len == 0) &&
+
−                  (entry->optionsDate.len != 0)));
+
−
+
−    PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN], entry->subjectName.data,
+
−                entry->subjectName.len);
+
−    if (entry->smimeOptions.len) {
+
−        PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN + entry->subjectName.len],
+
−                    entry->smimeOptions.data,
+
−                    entry->smimeOptions.len);
+
−        PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN + entry->subjectName.len +
+
−                         entry->smimeOptions.len],
+
−                    entry->optionsDate.data,
+
−                    entry->optionsDate.len);
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Encode a database key for a SMIME record
+
− */
+
−static SECStatus
+
−EncodeDBSMimeKey(char *emailAddr, PLArenaPool *arena,
+
−                 SECItem *dbkey)
+
−{
+
−    unsigned int addrlen;
+
−
+
−    addrlen = PORT_Strlen(emailAddr) + 1; /* includes null */
+
−
+
−    /* now get the database key and format it */
+
−    dbkey->len = addrlen + SEC_DB_KEY_HEADER_LEN;
+
−    if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE)
+
−        goto loser;
+
−    dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
+
−    if (dbkey->data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], emailAddr, addrlen);
+
−    dbkey->data[0] = certDBEntryTypeSMimeProfile;
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Decode a database SMIME record
+
− */
+
−static SECStatus
+
−DecodeDBSMimeEntry(certDBEntrySMime *entry, SECItem *dbentry, char *emailAddr)
+
−{
+
−    int lenDiff;
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry->len < DB_SMIME_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    /* is database entry correct length? */
+
−    entry->subjectName.len = ((dbentry->data[0] << 8) | dbentry->data[1]);
+
−    entry->smimeOptions.len = ((dbentry->data[2] << 8) | dbentry->data[3]);
+
−    entry->optionsDate.len = ((dbentry->data[4] << 8) | dbentry->data[5]);
+
−    lenDiff = dbentry->len - (entry->subjectName.len +
+
−                              entry->smimeOptions.len +
+
−                              entry->optionsDate.len +
+
−                              DB_SMIME_ENTRY_HEADER_LEN);
+
−    if (lenDiff) {
+
−        if (lenDiff < 0 || (lenDiff & 0xffff) != 0) {
+
−            PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−            goto loser;
+
−        }
+
−        /* The entry size exceeded 64KB.  Reconstruct the correct length. */
+
−        entry->subjectName.len += lenDiff;
+
−    }
+
−
+
−    /* copy the subject name */
+
−    entry->subjectName.data =
+
−        (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                         entry->subjectName.len);
+
−    if (entry->subjectName.data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(entry->subjectName.data,
+
−                &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN],
+
−                entry->subjectName.len);
+
−
+
−    /* copy the smime options */
+
−    if (entry->smimeOptions.len) {
+
−        entry->smimeOptions.data =
+
−            (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                             entry->smimeOptions.len);
+
−        if (entry->smimeOptions.data == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->smimeOptions.data,
+
−                    &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN +
+
−                                   entry->subjectName.len],
+
−                    entry->smimeOptions.len);
+
−    }
+
−    if (entry->optionsDate.len) {
+
−        entry->optionsDate.data =
+
−            (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                             entry->optionsDate.len);
+
−        if (entry->optionsDate.data == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->optionsDate.data,
+
−                    &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN +
+
−                                   entry->subjectName.len +
+
−                                   entry->smimeOptions.len],
+
−                    entry->optionsDate.len);
+
−    }
+
−
+
−    /* both options and options date must either exist or not exist */
+
−    if (((entry->optionsDate.len == 0) ||
+
−         (entry->smimeOptions.len == 0)) &&
+
−        entry->smimeOptions.len != entry->optionsDate.len) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    entry->emailAddr = (char *)PORT_ArenaAlloc(entry->common.arena,
+
−                                               PORT_Strlen(emailAddr) + 1);
+
−    if (entry->emailAddr) {
+
−        PORT_Strcpy(entry->emailAddr, emailAddr);
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * create a new SMIME entry
+
− */
+
−static certDBEntrySMime *
+
−NewDBSMimeEntry(char *emailAddr, SECItem *subjectName, SECItem *smimeOptions,
+
−                SECItem *optionsDate, unsigned int flags)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntrySMime *entry;
+
−    int addrlen;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena,
+
−                                                sizeof(certDBEntrySMime));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* init common fields */
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeSMimeProfile;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    /* copy the email addr */
+
−    addrlen = PORT_Strlen(emailAddr) + 1;
+
−
+
−    entry->emailAddr = (char *)PORT_ArenaAlloc(arena, addrlen);
+
−    if (entry->emailAddr == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_Memcpy(entry->emailAddr, emailAddr, addrlen);
+
−
+
−    /* copy the subject name */
+
−    rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* copy the smime options */
+
−    if (smimeOptions) {
+
−        rv = SECITEM_CopyItem(arena, &entry->smimeOptions, smimeOptions);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    } else {
+
−        PORT_Assert(optionsDate == NULL);
+
−        entry->smimeOptions.data = NULL;
+
−        entry->smimeOptions.len = 0;
+
−    }
+
−
+
−    /* copy the options date */
+
−    if (optionsDate) {
+
−        rv = SECITEM_CopyItem(arena, &entry->optionsDate, optionsDate);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    } else {
+
−        PORT_Assert(smimeOptions == NULL);
+
−        entry->optionsDate.data = NULL;
+
−        entry->optionsDate.len = 0;
+
−    }
+
−
+
−    return (entry);
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * delete a SMIME entry
+
− */
+
−static SECStatus
+
−DeleteDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, char *emailAddr)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    SECStatus rv;
+
−    SECItem dbkey;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSMimeKey(emailAddr, arena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DeleteDBEntry(handle, certDBEntryTypeSMimeProfile, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Read a SMIME entry
+
− */
+
−certDBEntrySMime *
+
−nsslowcert_ReadDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, char *emailAddr)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    PLArenaPool *tmparena = NULL;
+
−    certDBEntrySMime *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena,
+
−                                                sizeof(certDBEntrySMime));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeSMimeProfile;
+
−
+
−    rv = EncodeDBSMimeKey(emailAddr, tmparena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry.len < DB_SMIME_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    rv = DecodeDBSMimeEntry(entry, &dbentry, emailAddr);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (entry);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * Encode a SMIME entry into byte stream suitable for
+
− * the database
+
− */
+
−static SECStatus
+
−WriteDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, certDBEntrySMime *entry)
+
−{
+
−    SECItem dbitem, dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSMimeEntry(entry, tmparena, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSMimeKey(entry->emailAddr, tmparena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Encode a database subject record
+
− */
+
−static SECStatus
+
−EncodeDBSubjectEntry(certDBEntrySubject *entry, PLArenaPool *arena,
+
−                     SECItem *dbitem)
+
−{
+
−    unsigned char *buf;
+
−    int len;
+
−    unsigned int ncerts;
+
−    unsigned int i;
+
−    unsigned char *tmpbuf;
+
−    unsigned int nnlen = 0;
+
−    unsigned int eaddrslen = 0;
+
−    int keyidoff;
+
−    SECItem *certKeys = entry->certKeys;
+
−    SECItem *keyIDs = entry->keyIDs;
+
−    ;
+
−
+
−    if (entry->nickname) {
+
−        nnlen = PORT_Strlen(entry->nickname) + 1;
+
−    }
+
−    if (entry->emailAddrs) {
+
−        eaddrslen = 2;
+
−        for (i = 0; i < entry->nemailAddrs; i++) {
+
−            eaddrslen += PORT_Strlen(entry->emailAddrs[i]) + 1 + 2;
+
−        }
+
−    }
+
−
+
−    ncerts = entry->ncerts;
+
−
+
−    /* compute the length of the entry */
+
−    keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen;
+
−    len = keyidoff + (4 * ncerts) + eaddrslen;
+
−    for (i = 0; i < ncerts; i++) {
+
−        if (keyIDs[i].len > 0xffff ||
+
−            (certKeys[i].len > 0xffff)) {
+
−            PORT_SetError(SEC_ERROR_INPUT_LEN);
+
−            goto loser;
+
−        }
+
−        len += certKeys[i].len;
+
−        len += keyIDs[i].len;
+
−    }
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem->len = len + SEC_DB_ENTRY_HEADER_LEN;
+
−
+
−    dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
+
−    if (dbitem->data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* fill in database record */
+
−    buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
+
−
+
−    buf[0] = (PRUint8)(ncerts >> 8);
+
−    buf[1] = (PRUint8)(ncerts);
+
−    buf[2] = (PRUint8)(nnlen >> 8);
+
−    buf[3] = (PRUint8)(nnlen);
+
−    /* v7 email field is NULL in v8 */
+
−    buf[4] = 0;
+
−    buf[5] = 0;
+
−
+
−    PORT_Assert(DB_SUBJECT_ENTRY_HEADER_LEN == 6);
+
−
+
−    if (entry->nickname) {
+
−        PORT_Memcpy(&buf[DB_SUBJECT_ENTRY_HEADER_LEN], entry->nickname, nnlen);
+
−    }
+
−    tmpbuf = &buf[keyidoff];
+
−    for (i = 0; i < ncerts; i++) {
+
−        tmpbuf[0] = (PRUint8)(certKeys[i].len >> 8);
+
−        tmpbuf[1] = (PRUint8)(certKeys[i].len);
+
−        tmpbuf += 2;
+
−    }
+
−    for (i = 0; i < ncerts; i++) {
+
−        tmpbuf[0] = (PRUint8)(keyIDs[i].len >> 8);
+
−        tmpbuf[1] = (PRUint8)(keyIDs[i].len);
+
−        tmpbuf += 2;
+
−    }
+
−
+
−    for (i = 0; i < ncerts; i++) {
+
−        PORT_Memcpy(tmpbuf, certKeys[i].data, certKeys[i].len);
+
−        tmpbuf += certKeys[i].len;
+
−    }
+
−    for (i = 0; i < ncerts; i++) {
+
−        if (keyIDs[i].len) {
+
−            PORT_Memcpy(tmpbuf, keyIDs[i].data, keyIDs[i].len);
+
−            tmpbuf += keyIDs[i].len;
+
−        }
+
−    }
+
−
+
−    if (entry->emailAddrs) {
+
−        tmpbuf[0] = (PRUint8)(entry->nemailAddrs >> 8);
+
−        tmpbuf[1] = (PRUint8)(entry->nemailAddrs);
+
−        tmpbuf += 2;
+
−        for (i = 0; i < entry->nemailAddrs; i++) {
+
−            int nameLen = PORT_Strlen(entry->emailAddrs[i]) + 1;
+
−            tmpbuf[0] = (PRUint8)(nameLen >> 8);
+
−            tmpbuf[1] = (PRUint8)(nameLen);
+
−            tmpbuf += 2;
+
−            PORT_Memcpy(tmpbuf, entry->emailAddrs[i], nameLen);
+
−            tmpbuf += nameLen;
+
−        }
+
−    }
+
−
+
−    PORT_Assert(tmpbuf == &buf[len]);
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Encode a database key for a subject record
+
− */
+
−static SECStatus
+
−EncodeDBSubjectKey(SECItem *derSubject, PLArenaPool *arena,
+
−                   SECItem *dbkey)
+
−{
+
−    dbkey->len = derSubject->len + SEC_DB_KEY_HEADER_LEN;
+
−    if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE)
+
−        goto loser;
+
−    dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
+
−    if (dbkey->data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], derSubject->data,
+
−                derSubject->len);
+
−    dbkey->data[0] = certDBEntryTypeSubject;
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−static SECStatus
+
−DecodeDBSubjectEntry(certDBEntrySubject *entry, SECItem *dbentry,
+
−                     const SECItem *derSubject)
+
−{
+
−    PLArenaPool *arena = entry->common.arena;
+
−    unsigned char *tmpbuf;
+
−    unsigned char *end;
+
−    void *mark = PORT_ArenaMark(arena);
+
−    unsigned int eaddrlen;
+
−    unsigned int i;
+
−    unsigned int keyidoff;
+
−    unsigned int len;
+
−    unsigned int ncerts = 0;
+
−    unsigned int nnlen;
+
−    SECStatus rv;
+
−
+
−    rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* is record long enough for header? */
+
−    if (dbentry->len < DB_SUBJECT_ENTRY_HEADER_LEN) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    entry->ncerts = ncerts = ((dbentry->data[0] << 8) | dbentry->data[1]);
+
−    nnlen = ((dbentry->data[2] << 8) | dbentry->data[3]);
+
−    eaddrlen = ((dbentry->data[4] << 8) | dbentry->data[5]);
+
−    keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen + eaddrlen;
+
−    len = keyidoff + (4 * ncerts);
+
−    if (dbentry->len < len) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    entry->certKeys = PORT_ArenaNewArray(arena, SECItem, ncerts);
+
−    entry->keyIDs = PORT_ArenaNewArray(arena, SECItem, ncerts);
+
−    if ((entry->certKeys == NULL) || (entry->keyIDs == NULL)) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    if (nnlen > 1) { /* null terminator is stored */
+
−        entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−        if (entry->nickname == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->nickname,
+
−                    &dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN],
+
−                    nnlen);
+
−    } else {
+
−        entry->nickname = NULL;
+
−    }
+
−
+
−    /* if we have an old style email entry, there is only one */
+
−    entry->nemailAddrs = 0;
+
−    if (eaddrlen > 1) { /* null terminator is stored */
+
−        entry->emailAddrs = PORT_ArenaNewArray(arena, char *, 2);
+
−        if (entry->emailAddrs == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        entry->emailAddrs[0] = (char *)PORT_ArenaAlloc(arena, eaddrlen);
+
−        if (entry->emailAddrs[0] == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->emailAddrs[0],
+
−                    &dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN + nnlen],
+
−                    eaddrlen);
+
−        entry->nemailAddrs = 1;
+
−    } else {
+
−        entry->emailAddrs = NULL;
+
−    }
+
−
+
−    /* collect the lengths of the certKeys and keyIDs, and total the
+
−     * overall length.
+
−     */
+
−    tmpbuf = &dbentry->data[keyidoff];
+
−    for (i = 0; i < ncerts; i++) {
+
−        unsigned int itemlen = (tmpbuf[0] << 8) | tmpbuf[1];
+
−        entry->certKeys[i].len = itemlen;
+
−        len += itemlen;
+
−        tmpbuf += 2;
+
−    }
+
−    for (i = 0; i < ncerts; i++) {
+
−        unsigned int itemlen = (tmpbuf[0] << 8) | tmpbuf[1];
+
−        entry->keyIDs[i].len = itemlen;
+
−        len += itemlen;
+
−        tmpbuf += 2;
+
−    }
+
−
+
−    /* is encoded entry large enough ? */
+
−    if (len > dbentry->len) {
+
−        PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−        goto loser;
+
−    }
+
−
+
−    for (i = 0; i < ncerts; i++) {
+
−        unsigned int kLen = entry->certKeys[i].len;
+
−        entry->certKeys[i].data = (unsigned char *)PORT_ArenaAlloc(arena, kLen);
+
−        if (entry->certKeys[i].data == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->certKeys[i].data, tmpbuf, kLen);
+
−        tmpbuf += kLen;
+
−    }
+
−    for (i = 0; i < ncerts; i++) {
+
−        unsigned int iLen = entry->keyIDs[i].len;
+
−        entry->keyIDs[i].data = (unsigned char *)PORT_ArenaAlloc(arena, iLen);
+
−        if (entry->keyIDs[i].data == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        PORT_Memcpy(entry->keyIDs[i].data, tmpbuf, iLen);
+
−        tmpbuf += iLen;
+
−    }
+
−
+
−    end = dbentry->data + dbentry->len;
+
−    if ((eaddrlen == 0) && (end - tmpbuf > 1)) {
+
−        /* read in the additional email addresses */
+
−        entry->nemailAddrs = (((unsigned int)tmpbuf[0]) << 8) | tmpbuf[1];
+
−        tmpbuf += 2;
+
−        if (end - tmpbuf < 2 * (int)entry->nemailAddrs)
+
−            goto loser;
+
−        entry->emailAddrs = PORT_ArenaNewArray(arena, char *, entry->nemailAddrs);
+
−        if (entry->emailAddrs == NULL) {
+
−            PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−            goto loser;
+
−        }
+
−        for (i = 0; i < entry->nemailAddrs; i++) {
+
−            int nameLen;
+
−            if (end - tmpbuf < 2) {
+
−                goto loser;
+
−            }
+
−            nameLen = (((int)tmpbuf[0]) << 8) | tmpbuf[1];
+
−            tmpbuf += 2;
+
−            if (end - tmpbuf < nameLen) {
+
−                goto loser;
+
−            }
+
−            entry->emailAddrs[i] = PORT_ArenaAlloc(arena, nameLen);
+
−            if (entry->emailAddrs == NULL) {
+
−                PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−                goto loser;
+
−            }
+
−            PORT_Memcpy(entry->emailAddrs[i], tmpbuf, nameLen);
+
−            tmpbuf += nameLen;
+
−        }
+
−        if (tmpbuf != end)
+
−            goto loser;
+
−    }
+
−    PORT_ArenaUnmark(arena, mark);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    PORT_ArenaRelease(arena, mark); /* discard above allocations */
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * create a new subject entry with a single cert
+
− */
+
−static certDBEntrySubject *
+
−NewDBSubjectEntry(SECItem *derSubject, SECItem *certKey,
+
−                  SECItem *keyID, char *nickname, char *emailAddr,
+
−                  unsigned int flags)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntrySubject *entry;
+
−    SECStatus rv;
+
−    unsigned int nnlen;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena,
+
−                                                  sizeof(certDBEntrySubject));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* init common fields */
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeSubject;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    /* copy the subject */
+
−    rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    entry->ncerts = 1;
+
−    entry->nemailAddrs = 0;
+
−    /* copy nickname */
+
−    if (nickname && (*nickname != '\0')) {
+
−        nnlen = PORT_Strlen(nickname) + 1;
+
−        entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
+
−        if (entry->nickname == NULL) {
+
−            goto loser;
+
−        }
+
−
+
−        PORT_Memcpy(entry->nickname, nickname, nnlen);
+
−    } else {
+
−        entry->nickname = NULL;
+
−    }
+
−
+
−    /* copy email addr */
+
−    if (emailAddr && (*emailAddr != '\0')) {
+
−        emailAddr = nsslowcert_FixupEmailAddr(emailAddr);
+
−        if (emailAddr == NULL) {
+
−            entry->emailAddrs = NULL;
+
−            goto loser;
+
−        }
+
−
+
−        entry->emailAddrs = (char **)PORT_ArenaAlloc(arena, sizeof(char *));
+
−        if (entry->emailAddrs == NULL) {
+
−            PORT_Free(emailAddr);
+
−            goto loser;
+
−        }
+
−        entry->emailAddrs[0] = PORT_ArenaStrdup(arena, emailAddr);
+
−        if (entry->emailAddrs[0]) {
+
−            entry->nemailAddrs = 1;
+
−        }
+
−
+
−        PORT_Free(emailAddr);
+
−    } else {
+
−        entry->emailAddrs = NULL;
+
−    }
+
−
+
−    /* allocate space for certKeys and keyIDs */
+
−    entry->certKeys = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem));
+
−    entry->keyIDs = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem));
+
−    if ((entry->certKeys == NULL) || (entry->keyIDs == NULL)) {
+
−        goto loser;
+
−    }
+
−
+
−    /* copy the certKey and keyID */
+
−    rv = SECITEM_CopyItem(arena, &entry->certKeys[0], certKey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−    rv = SECITEM_CopyItem(arena, &entry->keyIDs[0], keyID);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    return (entry);
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * delete a subject entry
+
− */
+
−static SECStatus
+
−DeleteDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, SECItem *derSubject)
+
−{
+
−    SECItem dbkey;
+
−    PLArenaPool *arena = NULL;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSubjectKey(derSubject, arena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DeleteDBEntry(handle, certDBEntryTypeSubject, &dbkey);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Read the subject entry
+
− */
+
−static certDBEntrySubject *
+
−ReadDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, SECItem *derSubject)
+
−{
+
−    /* |arena| isn't function-bounded, so cannot be a PORTCheapArenaPool. */
+
−    PLArenaPool *arena = NULL;
+
−    PORTCheapArenaPool tmpArena;
+
−
+
−    certDBEntrySubject *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    PORT_InitCheapArena(&tmpArena, DER_DEFAULT_CHUNKSIZE);
+
−
+
−    entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena,
+
−                                                  sizeof(certDBEntrySubject));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeSubject;
+
−
+
−    rv = EncodeDBSubjectKey(derSubject, &tmpArena.arena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, &tmpArena.arena);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = DecodeDBSubjectEntry(entry, &dbentry, derSubject);
+
−    if (rv == SECFailure) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_DestroyCheapArena(&tmpArena);
+
−    return (entry);
+
−
+
−loser:
+
−    PORT_DestroyCheapArena(&tmpArena);
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * Encode a subject name entry into byte stream suitable for
+
− * the database
+
− */
+
−static SECStatus
+
−WriteDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, certDBEntrySubject *entry)
+
−{
+
−    SECItem dbitem, dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSubjectEntry(entry, tmparena, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBSubjectKey(&entry->derSubject, tmparena, &dbkey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−typedef enum { nsslowcert_remove,
+
−               nsslowcert_add } nsslowcertUpdateType;
+
−
+
−static SECStatus
+
−nsslowcert_UpdateSubjectEmailAddr(NSSLOWCERTCertDBHandle *dbhandle,
+
−                                  SECItem *derSubject, char *emailAddr, nsslowcertUpdateType updateType)
+
−{
+
−    certDBEntrySubject *entry = NULL;
+
−    int index = -1, i;
+
−    SECStatus rv;
+
−
+
−    if (emailAddr) {
+
−        emailAddr = nsslowcert_FixupEmailAddr(emailAddr);
+
−        if (emailAddr == NULL) {
+
−            return SECFailure;
+
−        }
+
−    } else {
+
−        return SECSuccess;
+
−    }
+
−
+
−    entry = ReadDBSubjectEntry(dbhandle, derSubject);
+
−    if (entry == NULL) {
+
−        rv = SECFailure;
+
−        goto done;
+
−    }
+
−
+
−    for (i = 0; i < (int)(entry->nemailAddrs); i++) {
+
−        if (PORT_Strcmp(entry->emailAddrs[i], emailAddr) == 0) {
+
−            index = i;
+
−        }
+
−    }
+
−
+
−    if (updateType == nsslowcert_remove) {
+
−        if (index == -1) {
+
−            rv = SECSuccess;
+
−            goto done;
+
−        }
+
−        entry->nemailAddrs--;
+
−        for (i = index; i < (int)(entry->nemailAddrs); i++) {
+
−            entry->emailAddrs[i] = entry->emailAddrs[i + 1];
+
−        }
+
−    } else {
+
−        char **newAddrs = NULL;
+
−
+
−        if (index != -1) {
+
−            rv = SECSuccess;
+
−            goto done;
+
−        }
+
−        newAddrs = (char **)PORT_ArenaAlloc(entry->common.arena,
+
−                                            (entry->nemailAddrs + 1) * sizeof(char *));
+
−        if (!newAddrs) {
+
−            rv = SECFailure;
+
−            goto done;
+
−        }
+
−        for (i = 0; i < (int)(entry->nemailAddrs); i++) {
+
−            newAddrs[i] = entry->emailAddrs[i];
+
−        }
+
−        newAddrs[entry->nemailAddrs] =
+
−            PORT_ArenaStrdup(entry->common.arena, emailAddr);
+
−        if (!newAddrs[entry->nemailAddrs]) {
+
−            rv = SECFailure;
+
−            goto done;
+
−        }
+
−        entry->emailAddrs = newAddrs;
+
−        entry->nemailAddrs++;
+
−    }
+
−
+
−    /* delete the subject entry */
+
−    DeleteDBSubjectEntry(dbhandle, derSubject);
+
−
+
−    /* write the new one */
+
−    rv = WriteDBSubjectEntry(dbhandle, entry);
+
−
+
−done:
+
−    if (entry)
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    if (emailAddr)
+
−        PORT_Free(emailAddr);
+
−    return rv;
+
−}
+
−
+
−/*
+
− * writes a nickname to an existing subject entry that does not currently
+
− * have one
+
− */
+
−static SECStatus
+
−AddNicknameToSubject(NSSLOWCERTCertDBHandle *dbhandle,
+
−                     NSSLOWCERTCertificate *cert, char *nickname)
+
−{
+
−    certDBEntrySubject *entry;
+
−    SECStatus rv;
+
−
+
−    if (nickname == NULL) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    entry = ReadDBSubjectEntry(dbhandle, &cert->derSubject);
+
−    PORT_Assert(entry != NULL);
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_Assert(entry->nickname == NULL);
+
−    if (entry->nickname != NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    entry->nickname = PORT_ArenaStrdup(entry->common.arena, nickname);
+
−
+
−    if (entry->nickname == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* delete the subject entry */
+
−    DeleteDBSubjectEntry(dbhandle, &cert->derSubject);
+
−
+
−    /* write the new one */
+
−    rv = WriteDBSubjectEntry(dbhandle, entry);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * create a new version entry
+
− */
+
−static certDBEntryVersion *
+
−NewDBVersionEntry(unsigned int flags)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntryVersion *entry;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntryVersion *)PORT_ArenaAlloc(arena,
+
−                                                  sizeof(certDBEntryVersion));
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeVersion;
+
−    entry->common.version = CERT_DB_FILE_VERSION;
+
−    entry->common.flags = flags;
+
−
+
−    return (entry);
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * Read the version entry
+
− */
+
−static certDBEntryVersion *
+
−ReadDBVersionEntry(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    PLArenaPool *tmparena = NULL;
+
−    certDBEntryVersion *entry;
+
−    SECItem dbkey;
+
−    SECItem dbentry;
+
−    SECStatus rv;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    entry = PORT_ArenaZNew(arena, certDBEntryVersion);
+
−    if (entry == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    entry->common.arena = arena;
+
−    entry->common.type = certDBEntryTypeVersion;
+
−
+
−    /* now get the database key and format it */
+
−    dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
+
−    dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
+
−    if (dbkey.data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY,
+
−                SEC_DB_VERSION_KEY_LEN);
+
−
+
−    rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (entry);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/*
+
− * Encode a version entry into byte stream suitable for
+
− * the database
+
− */
+
−static SECStatus
+
−WriteDBVersionEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryVersion *entry)
+
−{
+
−    SECItem dbitem, dbkey;
+
−    PLArenaPool *tmparena = NULL;
+
−    SECStatus rv;
+
−
+
−    tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (tmparena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* allocate space for encoded database record, including space
+
−     * for low level header
+
−     */
+
−    dbitem.len = SEC_DB_ENTRY_HEADER_LEN;
+
−
+
−    dbitem.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbitem.len);
+
−    if (dbitem.data == NULL) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−
+
−    /* now get the database key and format it */
+
−    dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
+
−    dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
+
−    if (dbkey.data == NULL) {
+
−        goto loser;
+
−    }
+
−    PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY,
+
−                SEC_DB_VERSION_KEY_LEN);
+
−
+
−    /* now write it to the database */
+
−    rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(tmparena, PR_FALSE);
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (tmparena) {
+
−        PORT_FreeArena(tmparena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * cert is no longer a perm cert, but will remain a temp cert
+
− */
+
−static SECStatus
+
−RemovePermSubjectNode(NSSLOWCERTCertificate *cert)
+
−{
+
−    certDBEntrySubject *entry;
+
−    unsigned int i;
+
−    SECStatus rv;
+
−
+
−    entry = ReadDBSubjectEntry(cert->dbhandle, &cert->derSubject);
+
−    if (entry == NULL) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    PORT_Assert(entry->ncerts);
+
−    rv = SECFailure;
+
−
+
−    if (entry->ncerts > 1) {
+
−        for (i = 0; i < entry->ncerts; i++) {
+
−            if (SECITEM_CompareItem(&entry->certKeys[i], &cert->certKey) ==
+
−                SECEqual) {
+
−                /* copy rest of list forward one entry */
+
−                for (i = i + 1; i < entry->ncerts; i++) {
+
−                    entry->certKeys[i - 1] = entry->certKeys[i];
+
−                    entry->keyIDs[i - 1] = entry->keyIDs[i];
+
−                }
+
−                entry->ncerts--;
+
−                DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
+
−                rv = WriteDBSubjectEntry(cert->dbhandle, entry);
+
−                break;
+
−            }
+
−        }
+
−    } else {
+
−        /* no entries left, delete the perm entry in the DB */
+
−        if (entry->emailAddrs) {
+
−            /* if the subject had an email record, then delete it too */
+
−            for (i = 0; i < entry->nemailAddrs; i++) {
+
−                DeleteDBSMimeEntry(cert->dbhandle, entry->emailAddrs[i]);
+
−            }
+
−        }
+
−        if (entry->nickname) {
+
−            DeleteDBNicknameEntry(cert->dbhandle, entry->nickname);
+
−        }
+
−
+
−        DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
+
−    }
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−
+
−    return (rv);
+
−}
+
−
+
−/*
+
− * add a cert to the perm subject list
+
− */
+
−static SECStatus
+
−AddPermSubjectNode(certDBEntrySubject *entry, NSSLOWCERTCertificate *cert,
+
−                   char *nickname)
+
−{
+
−    SECItem *newCertKeys, *newKeyIDs;
+
−    unsigned int i, new_i;
+
−    SECStatus rv;
+
−    unsigned int ncerts;
+
−
+
−    PORT_Assert(entry);
+
−    ncerts = entry->ncerts;
+
−
+
−    if (nickname && entry->nickname) {
+
−        /* nicknames must be the same */
+
−        PORT_Assert(PORT_Strcmp(nickname, entry->nickname) == 0);
+
−    }
+
−
+
−    if ((entry->nickname == NULL) && (nickname != NULL)) {
+
−        /* copy nickname into the entry */
+
−        entry->nickname = PORT_ArenaStrdup(entry->common.arena, nickname);
+
−        if (entry->nickname == NULL) {
+
−            return (SECFailure);
+
−        }
+
−    }
+
−
+
−    /* a DB entry already exists, so add this cert */
+
−    newCertKeys = PORT_ArenaZNewArray(entry->common.arena, SECItem, ncerts + 1);
+
−    newKeyIDs = PORT_ArenaZNewArray(entry->common.arena, SECItem, ncerts + 1);
+
−
+
−    if ((newCertKeys == NULL) || (newKeyIDs == NULL)) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    /* Step 1: copy certs older than "cert" into new entry. */
+
−    for (i = 0, new_i = 0; i < ncerts; i++) {
+
−        NSSLOWCERTCertificate *cmpcert;
+
−        PRBool isNewer;
+
−        cmpcert = nsslowcert_FindCertByKey(cert->dbhandle,
+
−                                           &entry->certKeys[i]);
+
−        /* The entry has been corrupted, remove it from the list */
+
−        if (!cmpcert) {
+
−            continue;
+
−        }
+
−
+
−        isNewer = nsslowcert_IsNewer(cert, cmpcert);
+
−        nsslowcert_DestroyCertificate(cmpcert);
+
−        if (isNewer)
+
−            break;
+
−        /* copy this cert entry */
+
−        newCertKeys[new_i] = entry->certKeys[i];
+
−        newKeyIDs[new_i] = entry->keyIDs[i];
+
−        new_i++;
+
−    }
+
−
+
−    /* Step 2: Add "cert" to the entry. */
+
−    rv = SECITEM_CopyItem(entry->common.arena, &newCertKeys[new_i],
+
−                          &cert->certKey);
+
−    if (rv != SECSuccess) {
+
−        return (SECFailure);
+
−    }
+
−    rv = SECITEM_CopyItem(entry->common.arena, &newKeyIDs[new_i],
+
−                          &cert->subjectKeyID);
+
−    if (rv != SECSuccess) {
+
−        return (SECFailure);
+
−    }
+
−    new_i++;
+
−
+
−    /* Step 3: copy remaining certs (if any) from old entry to new. */
+
−    for (; i < ncerts; i++, new_i++) {
+
−        newCertKeys[new_i] = entry->certKeys[i];
+
−        newKeyIDs[new_i] = entry->keyIDs[i];
+
−    }
+
−
+
−    /* update certKeys and keyIDs */
+
−    entry->certKeys = newCertKeys;
+
−    entry->keyIDs = newKeyIDs;
+
−
+
−    /* set new count value */
+
−    entry->ncerts = new_i;
+
−
+
−    DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
+
−    rv = WriteDBSubjectEntry(cert->dbhandle, entry);
+
−    return (rv);
+
−}
+
−
+
−SECStatus
+
−nsslowcert_TraversePermCertsForSubject(NSSLOWCERTCertDBHandle *handle,
+
−                                       SECItem *derSubject,
+
−                                       NSSLOWCERTCertCallback cb, void *cbarg)
+
−{
+
−    certDBEntrySubject *entry;
+
−    unsigned int i;
+
−    NSSLOWCERTCertificate *cert;
+
−    SECStatus rv = SECSuccess;
+
−
+
−    entry = ReadDBSubjectEntry(handle, derSubject);
+
−
+
−    if (entry == NULL) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    for (i = 0; i < entry->ncerts; i++) {
+
−        cert = nsslowcert_FindCertByKey(handle, &entry->certKeys[i]);
+
−        if (!cert) {
+
−            continue;
+
−        }
+
−        rv = (*cb)(cert, cbarg);
+
−        nsslowcert_DestroyCertificate(cert);
+
−        if (rv == SECFailure) {
+
−            break;
+
−        }
+
−    }
+
−
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−
+
−    return (rv);
+
−}
+
−
+
−int
+
−nsslowcert_NumPermCertsForSubject(NSSLOWCERTCertDBHandle *handle,
+
−                                  SECItem *derSubject)
+
−{
+
−    certDBEntrySubject *entry;
+
−    int ret;
+
−
+
−    entry = ReadDBSubjectEntry(handle, derSubject);
+
−
+
−    if (entry == NULL) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    ret = entry->ncerts;
+
−
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−
+
−    return (ret);
+
−}
+
−
+
−SECStatus
+
−nsslowcert_TraversePermCertsForNickname(NSSLOWCERTCertDBHandle *handle,
+
−                                        char *nickname, NSSLOWCERTCertCallback cb, void *cbarg)
+
−{
+
−    certDBEntryNickname *nnentry = NULL;
+
−    certDBEntrySMime *smentry = NULL;
+
−    SECStatus rv;
+
−    SECItem *derSubject = NULL;
+
−
+
−    nnentry = ReadDBNicknameEntry(handle, nickname);
+
−    if (nnentry) {
+
−        derSubject = &nnentry->subjectName;
+
−    } else {
+
−        smentry = nsslowcert_ReadDBSMimeEntry(handle, nickname);
+
−        if (smentry) {
+
−            derSubject = &smentry->subjectName;
+
−        }
+
−    }
+
−
+
−    if (derSubject) {
+
−        rv = nsslowcert_TraversePermCertsForSubject(handle, derSubject,
+
−                                                    cb, cbarg);
+
−    } else {
+
−        rv = SECFailure;
+
−    }
+
−
+
−    if (nnentry) {
+
−        DestroyDBEntry((certDBEntry *)nnentry);
+
−    }
+
−    if (smentry) {
+
−        DestroyDBEntry((certDBEntry *)smentry);
+
−    }
+
−
+
−    return (rv);
+
−}
+
−
+
−int
+
−nsslowcert_NumPermCertsForNickname(NSSLOWCERTCertDBHandle *handle,
+
−                                   char *nickname)
+
−{
+
−    certDBEntryNickname *entry;
+
−    int ret;
+
−
+
−    entry = ReadDBNicknameEntry(handle, nickname);
+
−
+
−    if (entry) {
+
−        ret = nsslowcert_NumPermCertsForSubject(handle, &entry->subjectName);
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    } else {
+
−        ret = 0;
+
−    }
+
−    return (ret);
+
−}
+
−
+
−/*
+
− * add a nickname to a cert that doesn't have one
+
− */
+
−static SECStatus
+
−AddNicknameToPermCert(NSSLOWCERTCertDBHandle *dbhandle,
+
−                      NSSLOWCERTCertificate *cert, char *nickname)
+
−{
+
−    certDBEntryCert *entry;
+
−    int rv;
+
−
+
−    entry = cert->dbEntry;
+
−    PORT_Assert(entry != NULL);
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    pkcs11_freeNickname(entry->nickname, entry->nicknameSpace);
+
−    entry->nickname = NULL;
+
−    entry->nickname = pkcs11_copyNickname(nickname, entry->nicknameSpace,
+
−                                          sizeof(entry->nicknameSpace));
+
−
+
−    rv = WriteDBCertEntry(dbhandle, entry);
+
−    if (rv) {
+
−        goto loser;
+
−    }
+
−
+
−    pkcs11_freeNickname(cert->nickname, cert->nicknameSpace);
+
−    cert->nickname = NULL;
+
−    cert->nickname = pkcs11_copyNickname(nickname, cert->nicknameSpace,
+
−                                         sizeof(cert->nicknameSpace));
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * add a nickname to a cert that is already in the perm database, but doesn't
+
− * have one yet (it is probably an e-mail cert).
+
− */
+
−SECStatus
+
−nsslowcert_AddPermNickname(NSSLOWCERTCertDBHandle *dbhandle,
+
−                           NSSLOWCERTCertificate *cert, char *nickname)
+
−{
+
−    SECStatus rv = SECFailure;
+
−    certDBEntrySubject *entry = NULL;
+
−    certDBEntryNickname *nicknameEntry = NULL;
+
−
+
−    nsslowcert_LockDB(dbhandle);
+
−
+
−    entry = ReadDBSubjectEntry(dbhandle, &cert->derSubject);
+
−    if (entry == NULL)
+
−        goto loser;
+
−
+
−    if (entry->nickname == NULL) {
+
−
+
−        /* no nickname for subject */
+
−        rv = AddNicknameToSubject(dbhandle, cert, nickname);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−        rv = AddNicknameToPermCert(dbhandle, cert, nickname);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−        nicknameEntry = NewDBNicknameEntry(nickname, &cert->derSubject, 0);
+
−        if (nicknameEntry == NULL) {
+
−            goto loser;
+
−        }
+
−
+
−        rv = WriteDBNicknameEntry(dbhandle, nicknameEntry);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    } else {
+
−        /* subject already has a nickname */
+
−        rv = AddNicknameToPermCert(dbhandle, cert, entry->nickname);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−        /* make sure nickname entry exists. If the database was corrupted,
+
−         * we may have lost the nickname entry. Add it back now  */
+
−        nicknameEntry = ReadDBNicknameEntry(dbhandle, entry->nickname);
+
−        if (nicknameEntry == NULL) {
+
−            nicknameEntry = NewDBNicknameEntry(entry->nickname,
+
−                                               &cert->derSubject, 0);
+
−            if (nicknameEntry == NULL) {
+
−                goto loser;
+
−            }
+
−
+
−            rv = WriteDBNicknameEntry(dbhandle, nicknameEntry);
+
−            if (rv != SECSuccess) {
+
−                goto loser;
+
−            }
+
−        }
+
−    }
+
−    rv = SECSuccess;
+
−
+
−loser:
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−    if (nicknameEntry) {
+
−        DestroyDBEntry((certDBEntry *)nicknameEntry);
+
−    }
+
−    nsslowcert_UnlockDB(dbhandle);
+
−    return (rv);
+
−}
+
−
+
−static certDBEntryCert *
+
−AddCertToPermDB(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTCertificate *cert,
+
−                char *nickname, NSSLOWCERTCertTrust *trust)
+
−{
+
−    certDBEntryCert *certEntry = NULL;
+
−    certDBEntryNickname *nicknameEntry = NULL;
+
−    certDBEntrySubject *subjectEntry = NULL;
+
−    int state = 0;
+
−    SECStatus rv;
+
−    PRBool donnentry = PR_FALSE;
+
−
+
−    if (nickname) {
+
−        donnentry = PR_TRUE;
+
−    }
+
−
+
−    subjectEntry = ReadDBSubjectEntry(handle, &cert->derSubject);
+
−
+
−    if (subjectEntry && subjectEntry->nickname) {
+
−        donnentry = PR_FALSE;
+
−        nickname = subjectEntry->nickname;
+
−    }
+
−
+
−    certEntry = NewDBCertEntry(&cert->derCert, nickname, trust, 0);
+
−    if (certEntry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    if (donnentry) {
+
−        nicknameEntry = NewDBNicknameEntry(nickname, &cert->derSubject, 0);
+
−        if (nicknameEntry == NULL) {
+
−            goto loser;
+
−        }
+
−    }
+
−
+
−    rv = WriteDBCertEntry(handle, certEntry);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−    state = 1;
+
−
+
−    if (nicknameEntry) {
+
−        rv = WriteDBNicknameEntry(handle, nicknameEntry);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    }
+
−
+
−    state = 2;
+
−
+
−    /* "Change" handles if necessary */
+
−    cert->dbhandle = handle;
+
−
+
−    /* add to or create new subject entry */
+
−    if (subjectEntry) {
+
−        /* REWRITE BASED ON SUBJECT ENTRY */
+
−        rv = AddPermSubjectNode(subjectEntry, cert, nickname);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    } else {
+
−        /* make a new subject entry - this case is only used when updating
+
−         * an old version of the database.  This is OK because the oldnickname
+
−         * db format didn't allow multiple certs with the same subject.
+
−         */
+
−        /* where does subjectKeyID and certKey come from? */
+
−        subjectEntry = NewDBSubjectEntry(&cert->derSubject, &cert->certKey,
+
−                                         &cert->subjectKeyID, nickname,
+
−                                         NULL, 0);
+
−        if (subjectEntry == NULL) {
+
−            goto loser;
+
−        }
+
−        rv = WriteDBSubjectEntry(handle, subjectEntry);
+
−        if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    }
+
−
+
−    state = 3;
+
−
+
−    if (nicknameEntry) {
+
−        DestroyDBEntry((certDBEntry *)nicknameEntry);
+
−    }
+
−
+
−    if (subjectEntry) {
+
−        DestroyDBEntry((certDBEntry *)subjectEntry);
+
−    }
+
−
+
−    return (certEntry);
+
−
+
−loser:
+
−    /* don't leave partial entry in the database */
+
−    if (state > 0) {
+
−        DeleteDBCertEntry(handle, &cert->certKey);
+
−    }
+
−    if ((state > 1) && donnentry) {
+
−        DeleteDBNicknameEntry(handle, nickname);
+
−    }
+
−    if (certEntry) {
+
−        DestroyDBEntry((certDBEntry *)certEntry);
+
−    }
+
−    if (nicknameEntry) {
+
−        DestroyDBEntry((certDBEntry *)nicknameEntry);
+
−    }
+
−    if (subjectEntry) {
+
−        DestroyDBEntry((certDBEntry *)subjectEntry);
+
−    }
+
−
+
−    return (NULL);
+
−}
+
−
+
−/* forward declaration */
+
−static SECStatus
+
−UpdateV7DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb);
+
−
+
−/*
+
− * version 8 uses the same schema as version 7. The only differences are
+
− * 1) version 8 db uses the blob shim to store data entries > 32k.
+
− * 2) version 8 db sets the db block size to 32k.
+
− * both of these are dealt with by the handle.
+
− */
+
−
+
−static SECStatus
+
−UpdateV8DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb)
+
−{
+
−    return UpdateV7DB(handle, updatedb);
+
−}
+
−
+
−/*
+
− * we could just blindly sequence through reading key data pairs and writing
+
− * them back out, but some cert.db's have gotten quite large and may have some
+
− * subtle corruption problems, so instead we cycle through the certs and
+
− * CRL's and S/MIME profiles and rebuild our subject lists from those records.
+
− */
+
−static SECStatus
+
−UpdateV7DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb)
+
−{
+
−    DBT key, data;
+
−    int ret;
+
−    NSSLOWCERTCertificate *cert;
+
−    PRBool isKRL = PR_FALSE;
+
−    certDBEntryType entryType;
+
−    SECItem dbEntry, dbKey;
+
−    certDBEntryRevocation crlEntry;
+
−    certDBEntryCert certEntry;
+
−    certDBEntrySMime smimeEntry;
+
−    SECStatus rv;
+
−
+
−    ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST);
+
−
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    do {
+
−        unsigned char *dataBuf = (unsigned char *)data.data;
+
−        unsigned char *keyBuf = (unsigned char *)key.data;
+
−        dbEntry.data = &dataBuf[SEC_DB_ENTRY_HEADER_LEN];
+
−        dbEntry.len = data.size - SEC_DB_ENTRY_HEADER_LEN;
+
−        entryType = (certDBEntryType)keyBuf[0];
+
−        dbKey.data = &keyBuf[SEC_DB_KEY_HEADER_LEN];
+
−        dbKey.len = key.size - SEC_DB_KEY_HEADER_LEN;
+
−        if ((dbEntry.len <= 0) || (dbKey.len <= 0)) {
+
−            continue;
+
−        }
+
−
+
−        switch (entryType) {
+
−            /* these entries will get regenerated as we read the
+
−             * rest of the data from the database */
+
−            case certDBEntryTypeVersion:
+
−            case certDBEntryTypeSubject:
+
−            case certDBEntryTypeContentVersion:
+
−            case certDBEntryTypeNickname:
+
−            /* smime profiles need entries created after the certs have
+
−             * been imported, loop over them in a second run */
+
−            case certDBEntryTypeSMimeProfile:
+
−                break;
+
−
+
−            case certDBEntryTypeCert:
+
−                /* decode Entry */
+
−                certEntry.common.version = (unsigned int)dataBuf[0];
+
−                certEntry.common.type = entryType;
+
−                certEntry.common.flags = (unsigned int)dataBuf[2];
+
−                rv = DecodeDBCertEntry(&certEntry, &dbEntry);
+
−                if (rv != SECSuccess) {
+
−                    break;
+
−                }
+
−                /* should we check for existing duplicates? */
+
−                cert = nsslowcert_DecodeDERCertificate(&certEntry.derCert,
+
−                                                       certEntry.nickname);
+
−                if (cert) {
+
−                    nsslowcert_UpdatePermCert(handle, cert, certEntry.nickname,
+
−                                              &certEntry.trust);
+
−                    nsslowcert_DestroyCertificate(cert);
+
−                }
+
−                /* free any data the decode may have allocated. */
+
−                pkcs11_freeStaticData(certEntry.derCert.data,
+
−                                      certEntry.derCertSpace);
+
−                pkcs11_freeNickname(certEntry.nickname, certEntry.nicknameSpace);
+
−                break;
+
−
+
−            case certDBEntryTypeKeyRevocation:
+
−                isKRL = PR_TRUE;
+
−            /* fall through */
+
−            case certDBEntryTypeRevocation:
+
−                crlEntry.common.version = (unsigned int)dataBuf[0];
+
−                crlEntry.common.type = entryType;
+
−                crlEntry.common.flags = (unsigned int)dataBuf[2];
+
−                crlEntry.common.arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−                if (crlEntry.common.arena == NULL) {
+
−                    break;
+
−                }
+
−                rv = DecodeDBCrlEntry(&crlEntry, &dbEntry);
+
−                if (rv != SECSuccess) {
+
−                    break;
+
−                }
+
−                nsslowcert_UpdateCrl(handle, &crlEntry.derCrl, &dbKey,
+
−                                     crlEntry.url, isKRL);
+
−                /* free data allocated by the decode */
+
−                PORT_FreeArena(crlEntry.common.arena, PR_FALSE);
+
−                crlEntry.common.arena = NULL;
+
−                break;
+
−
+
−            default:
+
−                break;
+
−        }
+
−    } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0);
+
−
+
−    /* now loop again updating just the SMimeProfile. */
+
−    ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST);
+
−
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    do {
+
−        unsigned char *dataBuf = (unsigned char *)data.data;
+
−        unsigned char *keyBuf = (unsigned char *)key.data;
+
−        dbEntry.data = &dataBuf[SEC_DB_ENTRY_HEADER_LEN];
+
−        dbEntry.len = data.size - SEC_DB_ENTRY_HEADER_LEN;
+
−        entryType = (certDBEntryType)keyBuf[0];
+
−        if (entryType != certDBEntryTypeSMimeProfile) {
+
−            continue;
+
−        }
+
−        dbKey.data = &keyBuf[SEC_DB_KEY_HEADER_LEN];
+
−        dbKey.len = key.size - SEC_DB_KEY_HEADER_LEN;
+
−        if ((dbEntry.len <= 0) || (dbKey.len <= 0)) {
+
−            continue;
+
−        }
+
−        smimeEntry.common.version = (unsigned int)dataBuf[0];
+
−        smimeEntry.common.type = entryType;
+
−        smimeEntry.common.flags = (unsigned int)dataBuf[2];
+
−        smimeEntry.common.arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−        /* decode entry */
+
−        rv = DecodeDBSMimeEntry(&smimeEntry, &dbEntry, (char *)dbKey.data);
+
−        if (rv == SECSuccess) {
+
−            nsslowcert_UpdateSMimeProfile(handle, smimeEntry.emailAddr,
+
−                                          &smimeEntry.subjectName, &smimeEntry.smimeOptions,
+
−                                          &smimeEntry.optionsDate);
+
−        }
+
−        PORT_FreeArena(smimeEntry.common.arena, PR_FALSE);
+
−        smimeEntry.common.arena = NULL;
+
−    } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0);
+
−
+
−    (*updatedb->close)(updatedb);
+
−
+
−    /* a database update is a good time to go back and verify the integrity of
+
−     * the keys and certs */
+
−    handle->dbVerify = PR_TRUE;
+
−    return (SECSuccess);
+
−}
+
−
+
−/*
+
− * NOTE - Version 6 DB did not go out to the real world in a release,
+
− * so we can remove this function in a later release.
+
− */
+
−static SECStatus
+
−UpdateV6DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb)
+
−{
+
−    int ret;
+
−    DBT key, data;
+
−    unsigned char *buf, *tmpbuf = NULL;
+
−    certDBEntryType type;
+
−    certDBEntryNickname *nnEntry = NULL;
+
−    certDBEntrySubject *subjectEntry = NULL;
+
−    certDBEntrySMime *emailEntry = NULL;
+
−    char *nickname;
+
−    char *emailAddr;
+
−
+
−    /*
+
−     * Sequence through the old database and copy all of the entries
+
−     * to the new database.  Subject name entries will have the new
+
−     * fields inserted into them (with zero length).
+
−     */
+
−    ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST);
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    do {
+
−        buf = (unsigned char *)data.data;
+
−
+
−        if (data.size >= 3) {
+
−            if (buf[0] == 6) { /* version number */
+
−                type = (certDBEntryType)buf[1];
+
−                if (type == certDBEntryTypeSubject) {
+
−                    /* expando subjecto entrieo */
+
−                    tmpbuf = (unsigned char *)PORT_Alloc(data.size + 4);
+
−                    if (tmpbuf) {
+
−                        /* copy header stuff */
+
−                        PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN + 2);
+
−                        /* insert 4 more bytes of zero'd header */
+
−                        PORT_Memset(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 2],
+
−                                    0, 4);
+
−                        /* copy rest of the data */
+
−                        PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6],
+
−                                    &buf[SEC_DB_ENTRY_HEADER_LEN + 2],
+
−                                    data.size - (SEC_DB_ENTRY_HEADER_LEN + 2));
+
−
+
−                        data.data = (void *)tmpbuf;
+
−                        data.size += 4;
+
−                        buf = tmpbuf;
+
−                    }
+
−                } else if (type == certDBEntryTypeCert) {
+
−                    /* expando certo entrieo */
+
−                    tmpbuf = (unsigned char *)PORT_Alloc(data.size + 3);
+
−                    if (tmpbuf) {
+
−                        /* copy header stuff */
+
−                        PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN);
+
−
+
−                        /* copy trust flage, setting msb's to 0 */
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN] = 0;
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 1] =
+
−                            buf[SEC_DB_ENTRY_HEADER_LEN];
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 2] = 0;
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 3] =
+
−                            buf[SEC_DB_ENTRY_HEADER_LEN + 1];
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 4] = 0;
+
−                        tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 5] =
+
−                            buf[SEC_DB_ENTRY_HEADER_LEN + 2];
+
−
+
−                        /* copy rest of the data */
+
−                        PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6],
+
−                                    &buf[SEC_DB_ENTRY_HEADER_LEN + 3],
+
−                                    data.size - (SEC_DB_ENTRY_HEADER_LEN + 3));
+
−
+
−                        data.data = (void *)tmpbuf;
+
−                        data.size += 3;
+
−                        buf = tmpbuf;
+
−                    }
+
−                }
+
−
+
−                /* update the record version number */
+
−                buf[0] = CERT_DB_FILE_VERSION;
+
−
+
−                /* copy to the new database */
+
−                ret = certdb_Put(handle->permCertDB, &key, &data, 0);
+
−                if (tmpbuf) {
+
−                    PORT_Free(tmpbuf);
+
−                    tmpbuf = NULL;
+
−                }
+
−                if (ret) {
+
−                    return SECFailure;
+
−                }
+
−            }
+
−        }
+
−    } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0);
+
−
+
−    ret = certdb_Sync(handle->permCertDB, 0);
+
−    if (ret) {
+
−        return SECFailure;
+
−    }
+
−
+
−    ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST);
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    do {
+
−        buf = (unsigned char *)data.data;
+
−
+
−        if (data.size >= 3) {
+
−            if (buf[0] == CERT_DB_FILE_VERSION) { /* version number */
+
−                type = (certDBEntryType)buf[1];
+
−                if (type == certDBEntryTypeNickname) {
+
−                    nickname = &((char *)key.data)[1];
+
−
+
−                    /* get the matching nickname entry in the new DB */
+
−                    nnEntry = ReadDBNicknameEntry(handle, nickname);
+
−                    if (nnEntry == NULL) {
+
−                        goto endloop;
+
−                    }
+
−
+
−                    /* find the subject entry pointed to by nickname */
+
−                    subjectEntry = ReadDBSubjectEntry(handle,
+
−                                                      &nnEntry->subjectName);
+
−                    if (subjectEntry == NULL) {
+
−                        goto endloop;
+
−                    }
+
−
+
−                    subjectEntry->nickname =
+
−                        (char *)PORT_ArenaAlloc(subjectEntry->common.arena,
+
−                                                key.size - 1);
+
−                    if (subjectEntry->nickname) {
+
−                        PORT_Memcpy(subjectEntry->nickname, nickname,
+
−                                    key.size - 1);
+
−                        (void)WriteDBSubjectEntry(handle, subjectEntry);
+
−                    }
+
−                } else if (type == certDBEntryTypeSMimeProfile) {
+
−                    emailAddr = &((char *)key.data)[1];
+
−
+
−                    /* get the matching smime entry in the new DB */
+
−                    emailEntry = nsslowcert_ReadDBSMimeEntry(handle, emailAddr);
+
−                    if (emailEntry == NULL) {
+
−                        goto endloop;
+
−                    }
+
−
+
−                    /* find the subject entry pointed to by nickname */
+
−                    subjectEntry = ReadDBSubjectEntry(handle,
+
−                                                      &emailEntry->subjectName);
+
−                    if (subjectEntry == NULL) {
+
−                        goto endloop;
+
−                    }
+
−
+
−                    subjectEntry->emailAddrs = (char **)
+
−                        PORT_ArenaAlloc(subjectEntry->common.arena,
+
−                                        sizeof(char *));
+
−                    if (subjectEntry->emailAddrs) {
+
−                        subjectEntry->emailAddrs[0] =
+
−                            (char *)PORT_ArenaAlloc(subjectEntry->common.arena,
+
−                                                    key.size - 1);
+
−                        if (subjectEntry->emailAddrs[0]) {
+
−                            PORT_Memcpy(subjectEntry->emailAddrs[0], emailAddr,
+
−                                        key.size - 1);
+
−                            subjectEntry->nemailAddrs = 1;
+
−                            (void)WriteDBSubjectEntry(handle, subjectEntry);
+
−                        }
+
−                    }
+
−                }
+
−
+
−            endloop:
+
−                if (subjectEntry) {
+
−                    DestroyDBEntry((certDBEntry *)subjectEntry);
+
−                    subjectEntry = NULL;
+
−                }
+
−                if (nnEntry) {
+
−                    DestroyDBEntry((certDBEntry *)nnEntry);
+
−                    nnEntry = NULL;
+
−                }
+
−                if (emailEntry) {
+
−                    DestroyDBEntry((certDBEntry *)emailEntry);
+
−                    emailEntry = NULL;
+
−                }
+
−            }
+
−        }
+
−    } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0);
+
−
+
−    ret = certdb_Sync(handle->permCertDB, 0);
+
−    if (ret) {
+
−        return SECFailure;
+
−    }
+
−
+
−    (*updatedb->close)(updatedb);
+
−    return (SECSuccess);
+
−}
+
−
+
−static SECStatus
+
−updateV5Callback(NSSLOWCERTCertificate *cert, SECItem *k, void *pdata)
+
−{
+
−    NSSLOWCERTCertDBHandle *handle;
+
−    certDBEntryCert *entry;
+
−    NSSLOWCERTCertTrust *trust;
+
−
+
−    handle = (NSSLOWCERTCertDBHandle *)pdata;
+
−    trust = &cert->dbEntry->trust;
+
−
+
−    /* SSL user certs can be used for email if they have an email addr */
+
−    if (cert->emailAddr && (trust->sslFlags & CERTDB_USER) &&
+
−        (trust->emailFlags == 0)) {
+
−        trust->emailFlags = CERTDB_USER;
+
−    }
+
−    /* servers didn't set the user flags on the server cert.. */
+
−    if (PORT_Strcmp(cert->dbEntry->nickname, "Server-Cert") == 0) {
+
−        trust->sslFlags |= CERTDB_USER;
+
−    }
+
−
+
−    entry = AddCertToPermDB(handle, cert, cert->dbEntry->nickname,
+
−                            &cert->dbEntry->trust);
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−
+
−    return (SECSuccess);
+
−}
+
−
+
−static SECStatus
+
−UpdateV5DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb)
+
−{
+
−    NSSLOWCERTCertDBHandle updatehandle;
+
−
+
−    updatehandle.permCertDB = updatedb;
+
−    updatehandle.dbMon = PZ_NewMonitor(nssILockCertDB);
+
−    updatehandle.dbVerify = 0;
+
−    updatehandle.ref = 1; /* prevent premature close */
+
−
+
−    (void)nsslowcert_TraversePermCerts(&updatehandle, updateV5Callback,
+
−                                       (void *)handle);
+
−
+
−    PZ_DestroyMonitor(updatehandle.dbMon);
+
−
+
−    (*updatedb->close)(updatedb);
+
−    return (SECSuccess);
+
−}
+
−
+
−static PRBool
+
−isV4DB(DB *db)
+
−{
+
−    DBT key, data;
+
−    int ret;
+
−
+
−    key.data = "Version";
+
−    key.size = 7;
+
−
+
−    ret = (*db->get)(db, &key, &data, 0);
+
−    if (ret) {
+
−        return PR_FALSE;
+
−    }
+
−
+
−    if ((data.size == 1) && (*(unsigned char *)data.data <= 4)) {
+
−        return PR_TRUE;
+
−    }
+
−
+
−    return PR_FALSE;
+
−}
+
−
+
−static SECStatus
+
−UpdateV4DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb)
+
−{
+
−    DBT key, data;
+
−    certDBEntryCert *entry, *entry2;
+
−    int ret;
+
−    NSSLOWCERTCertificate *cert;
+
−
+
−    ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST);
+
−
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    do {
+
−        if (data.size != 1) { /* skip version number */
+
−
+
−            /* decode the old DB entry */
+
−            entry = (certDBEntryCert *)
+
−                DecodeV4DBCertEntry((unsigned char *)data.data, data.size);
+
−
+
−            if (entry) {
+
−                cert = nsslowcert_DecodeDERCertificate(&entry->derCert,
+
−                                                       entry->nickname);
+
−
+
−                if (cert != NULL) {
+
−                    /* add to new database */
+
−                    entry2 = AddCertToPermDB(handle, cert, entry->nickname,
+
−                                             &entry->trust);
+
−
+
−                    nsslowcert_DestroyCertificate(cert);
+
−                    if (entry2) {
+
−                        DestroyDBEntry((certDBEntry *)entry2);
+
−                    }
+
−                }
+
−                DestroyDBEntry((certDBEntry *)entry);
+
−            }
+
−        }
+
−    } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0);
+
−
+
−    (*updatedb->close)(updatedb);
+
−    return (SECSuccess);
+
−}
+
−
+
−/*
+
− * return true if a database key conflict exists
+
− */
+
−PRBool
+
−nsslowcert_CertDBKeyConflict(SECItem *derCert, NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    SECStatus rv;
+
−    DBT tmpdata;
+
−    DBT namekey;
+
−    int ret;
+
−    SECItem keyitem;
+
−    PLArenaPool *arena = NULL;
+
−    SECItem derKey;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* get the db key of the cert */
+
−    rv = nsslowcert_KeyFromDERCert(arena, derCert, &derKey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBCertKey(&derKey, arena, &keyitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    namekey.data = keyitem.data;
+
−    namekey.size = keyitem.len;
+
−
+
−    ret = certdb_Get(handle->permCertDB, &namekey, &tmpdata, 0);
+
−    if (ret == 0) {
+
−        goto loser;
+
−    }
+
−
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−
+
−    return (PR_FALSE);
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return (PR_TRUE);
+
−}
+
−
+
−/*
+
− * return true if a nickname conflict exists
+
− * NOTE: caller must have already made sure that this exact cert
+
− * doesn't exist in the DB
+
− */
+
−static PRBool
+
−nsslowcert_CertNicknameConflict(char *nickname, SECItem *derSubject,
+
−                                NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    PRBool rv;
+
−    certDBEntryNickname *entry;
+
−
+
−    if (nickname == NULL) {
+
−        return (PR_FALSE);
+
−    }
+
−
+
−    entry = ReadDBNicknameEntry(handle, nickname);
+
−
+
−    if (entry == NULL) {
+
−        /* no entry for this nickname, so no conflict */
+
−        return (PR_FALSE);
+
−    }
+
−
+
−    rv = PR_TRUE;
+
−    if (SECITEM_CompareItem(derSubject, &entry->subjectName) == SECEqual) {
+
−        /* if subject names are the same, then no conflict */
+
−        rv = PR_FALSE;
+
−    }
+
−
+
−    DestroyDBEntry((certDBEntry *)entry);
+
−    return (rv);
+
−}
+
−
+
−#ifdef DBM_USING_NSPR
+
−#define NO_RDONLY PR_RDONLY
+
−#define NO_RDWR PR_RDWR
+
−#define NO_CREATE (PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE)
+
−#else
+
−#define NO_RDONLY O_RDONLY
+
−#define NO_RDWR O_RDWR
+
−#define NO_CREATE (O_RDWR | O_CREAT | O_TRUNC)
+
−#endif
+
−
+
−/*
+
− * open an old database that needs to be updated
+
− */
+
−static DB *
+
−nsslowcert_openolddb(NSSLOWCERTDBNameFunc namecb, void *cbarg, int version)
+
−{
+
−    char *tmpname;
+
−    DB *updatedb = NULL;
+
−
+
−    tmpname = (*namecb)(cbarg, version); /* get v6 db name */
+
−    if (tmpname) {
+
−        updatedb = dbopen(tmpname, NO_RDONLY, 0600, DB_HASH, 0);
+
−        PORT_Free(tmpname);
+
−    }
+
−    return updatedb;
+
−}
+
−
+
−static SECStatus
+
−openNewCertDB(const char *appName, const char *prefix, const char *certdbname,
+
−              NSSLOWCERTCertDBHandle *handle, NSSLOWCERTDBNameFunc namecb, void *cbarg)
+
−{
+
−    SECStatus rv;
+
−    certDBEntryVersion *versionEntry = NULL;
+
−    DB *updatedb = NULL;
+
−    int status = RDB_FAIL;
+
−
+
−    if (appName) {
+
−        handle->permCertDB = rdbopen(appName, prefix, "cert", NO_CREATE, &status);
+
−    } else {
+
−        handle->permCertDB = dbsopen(certdbname, NO_CREATE, 0600, DB_HASH, 0);
+
−    }
+
−
+
−    /* if create fails then we lose */
+
−    if (handle->permCertDB == 0) {
+
−        return status == RDB_RETRY ? SECWouldBlock : SECFailure;
+
−    }
+
−
+
−    /* Verify version number; */
+
−    versionEntry = NewDBVersionEntry(0);
+
−    if (versionEntry == NULL) {
+
−        rv = SECFailure;
+
−        goto loser;
+
−    }
+
−
+
−    rv = WriteDBVersionEntry(handle, versionEntry);
+
−
+
−    DestroyDBEntry((certDBEntry *)versionEntry);
+
−
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* rv must already be Success here because of previous if statement */
+
−    /* try to upgrade old db here */
+
−    if (appName &&
+
−        (updatedb = dbsopen(certdbname, NO_RDONLY, 0600, DB_HASH, 0)) != NULL) {
+
−        rv = UpdateV8DB(handle, updatedb);
+
−    } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 7)) != NULL) {
+
−        rv = UpdateV7DB(handle, updatedb);
+
−    } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 6)) != NULL) {
+
−        rv = UpdateV6DB(handle, updatedb);
+
−    } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 5)) != NULL) {
+
−        rv = UpdateV5DB(handle, updatedb);
+
−    } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 4)) != NULL) {
+
−        /* NES has v5 format db's with v4 db names! */
+
−        if (isV4DB(updatedb)) {
+
−            rv = UpdateV4DB(handle, updatedb);
+
−        } else {
+
−            rv = UpdateV5DB(handle, updatedb);
+
−        }
+
−    }
+
−
+
−loser:
+
−    db_InitComplete(handle->permCertDB);
+
−    return rv;
+
−}
+
−
+
−static int
+
−nsslowcert_GetVersionNumber(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    certDBEntryVersion *versionEntry = NULL;
+
−    int version = 0;
+
−
+
−    versionEntry = ReadDBVersionEntry(handle);
+
−    if (versionEntry == NULL) {
+
−        return 0;
+
−    }
+
−    version = versionEntry->common.version;
+
−    DestroyDBEntry((certDBEntry *)versionEntry);
+
−    return version;
+
−}
+
−
+
−/*
+
− * Open the certificate database and index databases.  Create them if
+
− * they are not there or bad.
+
− */
+
−static SECStatus
+
−nsslowcert_OpenPermCertDB(NSSLOWCERTCertDBHandle *handle, PRBool readOnly,
+
−                          const char *appName, const char *prefix,
+
−                          NSSLOWCERTDBNameFunc namecb, void *cbarg)
+
−{
+
−    SECStatus rv;
+
−    int openflags;
+
−    char *certdbname;
+
−    int version = 0;
+
−
+
−    certdbname = (*namecb)(cbarg, CERT_DB_FILE_VERSION);
+
−    if (certdbname == NULL) {
+
−        return (SECFailure);
+
−    }
+
−
+
−    openflags = readOnly ? NO_RDONLY : NO_RDWR;
+
−
+
−    /*
+
−     * first open the permanent file based database.
+
−     */
+
−    if (appName) {
+
−        handle->permCertDB = rdbopen(appName, prefix, "cert", openflags, NULL);
+
−    } else {
+
−        handle->permCertDB = dbsopen(certdbname, openflags, 0600, DB_HASH, 0);
+
−    }
+
−
+
−    /* check for correct version number */
+
−    if (handle->permCertDB) {
+
−        version = nsslowcert_GetVersionNumber(handle);
+
−        if ((version != CERT_DB_FILE_VERSION) &&
+
−            !(appName && version == CERT_DB_V7_FILE_VERSION)) {
+
−            goto loser;
+
−        }
+
−    } else if (readOnly) {
+
−        /* don't create if readonly */
+
−        /* Try openning a version 7 database */
+
−        handle->permCertDB = nsslowcert_openolddb(namecb, cbarg, 7);
+
−        if (!handle->permCertDB) {
+
−            goto loser;
+
−        }
+
−        if (nsslowcert_GetVersionNumber(handle) != 7) {
+
−            goto loser;
+
−        }
+
−    } else {
+
−        /* if first open fails, try to create a new DB */
+
−        rv = openNewCertDB(appName, prefix, certdbname, handle, namecb, cbarg);
+
−        if (rv == SECWouldBlock) {
+
−            /* only the rdb version can fail with wouldblock */
+
−            handle->permCertDB =
+
−                rdbopen(appName, prefix, "cert", openflags, NULL);
+
−
+
−            /* check for correct version number */
+
−            if (!handle->permCertDB) {
+
−                goto loser;
+
−            }
+
−            version = nsslowcert_GetVersionNumber(handle);
+
−            if ((version != CERT_DB_FILE_VERSION) &&
+
−                !(appName && version == CERT_DB_V7_FILE_VERSION)) {
+
−                goto loser;
+
−            }
+
−        } else if (rv != SECSuccess) {
+
−            goto loser;
+
−        }
+
−    }
+
−
+
−    PORT_Free(certdbname);
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−
+
−    PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−
+
−    if (handle->permCertDB) {
+
−        certdb_Close(handle->permCertDB);
+
−        handle->permCertDB = 0;
+
−    }
+
−
+
−    PORT_Free(certdbname);
+
−
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * delete all DB records associated with a particular certificate
+
− */
+
−static SECStatus
+
−DeletePermCert(NSSLOWCERTCertificate *cert)
+
−{
+
−    SECStatus rv;
+
−    SECStatus ret;
+
−
+
−    ret = SECSuccess;
+
−
+
−    rv = DeleteDBCertEntry(cert->dbhandle, &cert->certKey);
+
−    if (rv != SECSuccess) {
+
−        ret = SECFailure;
+
−    }
+
−
+
−    rv = RemovePermSubjectNode(cert);
+
−
+
−    return (ret);
+
−}
+
−
+
−/*
+
− * Delete a certificate from the permanent database.
+
− */
+
−SECStatus
+
−nsslowcert_DeletePermCertificate(NSSLOWCERTCertificate *cert)
+
−{
+
−    SECStatus rv;
+
−
+
−    nsslowcert_LockDB(cert->dbhandle);
+
−
+
−    /* delete the records from the permanent database */
+
−    rv = DeletePermCert(cert);
+
−
+
−    /* get rid of dbcert and stuff pointing to it */
+
−    DestroyDBEntry((certDBEntry *)cert->dbEntry);
+
−    cert->dbEntry = NULL;
+
−    cert->trust = NULL;
+
−
+
−    nsslowcert_UnlockDB(cert->dbhandle);
+
−    return (rv);
+
−}
+
−
+
−/*
+
− * Traverse all of the entries in the database of a particular type
+
− * call the given function for each one.
+
− */
+
−SECStatus
+
−nsslowcert_TraverseDBEntries(NSSLOWCERTCertDBHandle *handle,
+
−                             certDBEntryType type,
+
−                             SECStatus (*callback)(SECItem *data, SECItem *key,
+
−                                                   certDBEntryType type, void *pdata),
+
−                             void *udata)
+
−{
+
−    DBT data;
+
−    DBT key;
+
−    SECStatus rv = SECSuccess;
+
−    int ret;
+
−    SECItem dataitem;
+
−    SECItem keyitem;
+
−    unsigned char *buf;
+
−    unsigned char *keybuf;
+
−
+
−    ret = certdb_Seq(handle->permCertDB, &key, &data, R_FIRST);
+
−    if (ret) {
+
−        return (SECFailure);
+
−    }
+
−    /* here, ret is zero and rv is SECSuccess.
+
−     * Below here, ret is a count of successful calls to the callback function.
+
−     */
+
−    do {
+
−        buf = (unsigned char *)data.data;
+
−
+
−        if (buf[1] == (unsigned char)type) {
+
−            dataitem.len = data.size;
+
−            dataitem.data = buf;
+
−            dataitem.type = siBuffer;
+
−            keyitem.len = key.size - SEC_DB_KEY_HEADER_LEN;
+
−            keybuf = (unsigned char *)key.data;
+
−            keyitem.data = &keybuf[SEC_DB_KEY_HEADER_LEN];
+
−            keyitem.type = siBuffer;
+
−            /* type should equal keybuf[0].  */
+
−
+
−            rv = (*callback)(&dataitem, &keyitem, type, udata);
+
−            if (rv == SECSuccess) {
+
−                ++ret;
+
−            }
+
−        }
+
−    } while (certdb_Seq(handle->permCertDB, &key, &data, R_NEXT) == 0);
+
−    /* If any callbacks succeeded, or no calls to callbacks were made,
+
−     * then report success.  Otherwise, report failure.
+
−     */
+
−    return (ret ? SECSuccess : rv);
+
−}
+
−/*
+
− * Decode a certificate and enter it into the temporary certificate database.
+
− * Deal with nicknames correctly
+
− *
+
− * This is the private entry point.
+
− */
+
−static NSSLOWCERTCertificate *
+
−DecodeACert(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry)
+
−{
+
−    NSSLOWCERTCertificate *cert = NULL;
+
−
+
−    cert = nsslowcert_DecodeDERCertificate(&entry->derCert, entry->nickname);
+
−
+
−    if (cert == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    cert->dbhandle = handle;
+
−    cert->dbEntry = entry;
+
−    cert->trust = &entry->trust;
+
−
+
−    return (cert);
+
−
+
−loser:
+
−    return (0);
+
−}
+
−
+
−static NSSLOWCERTTrust *
+
−CreateTrust(void)
+
−{
+
−    NSSLOWCERTTrust *trust = NULL;
+
−
+
−    nsslowcert_LockFreeList();
+
−    trust = trustListHead;
+
−    if (trust) {
+
−        trustListCount--;
+
−        trustListHead = trust->next;
+
−    }
+
−    PORT_Assert(trustListCount >= 0);
+
−    nsslowcert_UnlockFreeList();
+
−    if (trust) {
+
−        return trust;
+
−    }
+
−
+
−    return PORT_ZNew(NSSLOWCERTTrust);
+
−}
+
−
+
−static void
+
−DestroyTrustFreeList(void)
+
−{
+
−    NSSLOWCERTTrust *trust;
+
−
+
−    nsslowcert_LockFreeList();
+
−    while (NULL != (trust = trustListHead)) {
+
−        trustListCount--;
+
−        trustListHead = trust->next;
+
−        PORT_Free(trust);
+
−    }
+
−    PORT_Assert(!trustListCount);
+
−    trustListCount = 0;
+
−    nsslowcert_UnlockFreeList();
+
−}
+
−
+
−static NSSLOWCERTTrust *
+
−DecodeTrustEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry,
+
−                 const SECItem *dbKey)
+
−{
+
−    NSSLOWCERTTrust *trust = CreateTrust();
+
−    if (trust == NULL) {
+
−        return trust;
+
−    }
+
−    trust->dbhandle = handle;
+
−    trust->dbEntry = entry;
+
−    trust->dbKey.data = pkcs11_copyStaticData(dbKey->data, dbKey->len,
+
−                                              trust->dbKeySpace, sizeof(trust->dbKeySpace));
+
−    if (!trust->dbKey.data) {
+
−        PORT_Free(trust);
+
−        return NULL;
+
−    }
+
−    trust->dbKey.len = dbKey->len;
+
−
+
−    trust->trust = &entry->trust;
+
−    trust->derCert = &entry->derCert;
+
−
+
−    return (trust);
+
−}
+
−
+
−typedef struct {
+
−    PermCertCallback certfunc;
+
−    NSSLOWCERTCertDBHandle *handle;
+
−    void *data;
+
−} PermCertCallbackState;
+
−
+
−/*
+
− * traversal callback to decode certs and call callers callback
+
− */
+
−static SECStatus
+
−certcallback(SECItem *dbdata, SECItem *dbkey, certDBEntryType type, void *data)
+
−{
+
−    PermCertCallbackState *mystate;
+
−    SECStatus rv;
+
−    certDBEntryCert *entry;
+
−    SECItem entryitem;
+
−    NSSLOWCERTCertificate *cert;
+
−    PLArenaPool *arena = NULL;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    entry = (certDBEntryCert *)PORT_ArenaAlloc(arena, sizeof(certDBEntryCert));
+
−    if (!entry) {
+
−        PORT_SetError(SEC_ERROR_NO_MEMORY);
+
−        goto loser;
+
−    }
+
−    mystate = (PermCertCallbackState *)data;
+
−    entry->common.version = (unsigned int)dbdata->data[0];
+
−    entry->common.type = (certDBEntryType)dbdata->data[1];
+
−    entry->common.flags = (unsigned int)dbdata->data[2];
+
−    entry->common.arena = arena;
+
−
+
−    entryitem.len = dbdata->len - SEC_DB_ENTRY_HEADER_LEN;
+
−    entryitem.data = &dbdata->data[SEC_DB_ENTRY_HEADER_LEN];
+
−
+
−    rv = DecodeDBCertEntry(entry, &entryitem);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−    entry->derCert.type = siBuffer;
+
−
+
−    /* note: Entry is 'inheritted'.  */
+
−    cert = DecodeACert(mystate->handle, entry);
+
−
+
−    rv = (*mystate->certfunc)(cert, dbkey, mystate->data);
+
−
+
−    /* arena stored in entry destroyed by nsslowcert_DestroyCertificate */
+
−    nsslowcert_DestroyCertificateNoLocking(cert);
+
−
+
−    return (rv);
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−    return (SECFailure);
+
−}
+
−
+
−/*
+
− * Traverse all of the certificates in the permanent database and
+
− * call the given function for each one; expect the caller to have lock.
+
− */
+
−static SECStatus
+
−TraversePermCertsNoLocking(NSSLOWCERTCertDBHandle *handle,
+
−                           SECStatus (*certfunc)(NSSLOWCERTCertificate *cert,
+
−                                                 SECItem *k,
+
−                                                 void *pdata),
+
−                           void *udata)
+
−{
+
−    SECStatus rv;
+
−    PermCertCallbackState mystate;
+
−
+
−    mystate.certfunc = certfunc;
+
−    mystate.handle = handle;
+
−    mystate.data = udata;
+
−    rv = nsslowcert_TraverseDBEntries(handle, certDBEntryTypeCert, certcallback,
+
−                                      (void *)&mystate);
+
−
+
−    return (rv);
+
−}
+
−
+
−/*
+
− * Traverse all of the certificates in the permanent database and
+
− * call the given function for each one.
+
− */
+
−SECStatus
+
−nsslowcert_TraversePermCerts(NSSLOWCERTCertDBHandle *handle,
+
−                             SECStatus (*certfunc)(NSSLOWCERTCertificate *cert, SECItem *k,
+
−                                                   void *pdata),
+
−                             void *udata)
+
−{
+
−    SECStatus rv;
+
−
+
−    nsslowcert_LockDB(handle);
+
−    rv = TraversePermCertsNoLocking(handle, certfunc, udata);
+
−    nsslowcert_UnlockDB(handle);
+
−
+
−    return (rv);
+
−}
+
−
+
−/*
+
− * Close the database
+
− */
+
−void
+
−nsslowcert_ClosePermCertDB(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    if (handle) {
+
−        if (handle->permCertDB) {
+
−            certdb_Close(handle->permCertDB);
+
−            handle->permCertDB = NULL;
+
−        }
+
−        if (handle->dbMon) {
+
−            PZ_DestroyMonitor(handle->dbMon);
+
−            handle->dbMon = NULL;
+
−        }
+
−        PORT_Free(handle);
+
−    }
+
−    return;
+
−}
+
−
+
−/*
+
− * Get the trust attributes from a certificate
+
− */
+
−SECStatus
+
−nsslowcert_GetCertTrust(NSSLOWCERTCertificate *cert, NSSLOWCERTCertTrust *trust)
+
−{
+
−    SECStatus rv;
+
−
+
−    nsslowcert_LockCertTrust(cert);
+
−
+
−    if (cert->trust == NULL) {
+
−        rv = SECFailure;
+
−    } else {
+
−        *trust = *cert->trust;
+
−        rv = SECSuccess;
+
−    }
+
−
+
−    nsslowcert_UnlockCertTrust(cert);
+
−    return (rv);
+
−}
+
−
+
−/*
+
− * Change the trust attributes of a certificate and make them permanent
+
− * in the database.
+
− */
+
−SECStatus
+
−nsslowcert_ChangeCertTrust(NSSLOWCERTCertDBHandle *handle,
+
−                           NSSLOWCERTCertificate *cert, NSSLOWCERTCertTrust *trust)
+
−{
+
−    certDBEntryCert *entry;
+
−    int rv;
+
−    SECStatus ret;
+
−
+
−    nsslowcert_LockDB(handle);
+
−    nsslowcert_LockCertTrust(cert);
+
−    /* only set the trust on permanent certs */
+
−    if (cert->trust == NULL) {
+
−        ret = SECFailure;
+
−        goto done;
+
−    }
+
−
+
−    *cert->trust = *trust;
+
−    if (cert->dbEntry == NULL) {
+
−        ret = SECSuccess; /* not in permanent database */
+
−        goto done;
+
−    }
+
−
+
−    entry = cert->dbEntry;
+
−    entry->trust = *trust;
+
−
+
−    rv = WriteDBCertEntry(handle, entry);
+
−    if (rv) {
+
−        ret = SECFailure;
+
−        goto done;
+
−    }
+
−
+
−    ret = SECSuccess;
+
−
+
−done:
+
−    nsslowcert_UnlockCertTrust(cert);
+
−    nsslowcert_UnlockDB(handle);
+
−    return (ret);
+
−}
+
−
+
−static SECStatus
+
−nsslowcert_UpdatePermCert(NSSLOWCERTCertDBHandle *dbhandle,
+
−                          NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust)
+
−{
+
−    char *oldnn;
+
−    certDBEntryCert *entry;
+
−    PRBool conflict;
+
−    SECStatus ret;
+
−
+
−    PORT_Assert(!cert->dbEntry);
+
−
+
−    /* don't add a conflicting nickname */
+
−    conflict = nsslowcert_CertNicknameConflict(nickname, &cert->derSubject,
+
−                                               dbhandle);
+
−    if (conflict) {
+
−        ret = SECFailure;
+
−        goto done;
+
−    }
+
−
+
−    /* save old nickname so that we can delete it */
+
−    oldnn = cert->nickname;
+
−
+
−    entry = AddCertToPermDB(dbhandle, cert, nickname, trust);
+
−
+
−    if (entry == NULL) {
+
−        ret = SECFailure;
+
−        goto done;
+
−    }
+
−
+
−    pkcs11_freeNickname(oldnn, cert->nicknameSpace);
+
−
+
−    cert->nickname = (entry->nickname) ? pkcs11_copyNickname(entry->nickname,
+
−                                                             cert->nicknameSpace, sizeof(cert->nicknameSpace))
+
−                                       : NULL;
+
−    cert->trust = &entry->trust;
+
−    cert->dbEntry = entry;
+
−
+
−    ret = SECSuccess;
+
−done:
+
−    return (ret);
+
−}
+
−
+
−SECStatus
+
−nsslowcert_AddPermCert(NSSLOWCERTCertDBHandle *dbhandle,
+
−                       NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust)
+
−{
+
−    SECStatus ret;
+
−
+
−    nsslowcert_LockDB(dbhandle);
+
−
+
−    ret = nsslowcert_UpdatePermCert(dbhandle, cert, nickname, trust);
+
−
+
−    nsslowcert_UnlockDB(dbhandle);
+
−    return (ret);
+
−}
+
−
+
−/*
+
− * Open the certificate database and index databases.  Create them if
+
− * they are not there or bad.
+
− */
+
−SECStatus
+
−nsslowcert_OpenCertDB(NSSLOWCERTCertDBHandle *handle, PRBool readOnly,
+
−                      const char *appName, const char *prefix,
+
−                      NSSLOWCERTDBNameFunc namecb, void *cbarg, PRBool openVolatile)
+
−{
+
−    int rv;
+
−
+
−    certdb_InitDBLock(handle);
+
−
+
−    handle->dbMon = PZ_NewMonitor(nssILockCertDB);
+
−    PORT_Assert(handle->dbMon != NULL);
+
−    handle->dbVerify = PR_FALSE;
+
−
+
−    rv = nsslowcert_OpenPermCertDB(handle, readOnly, appName, prefix,
+
−                                   namecb, cbarg);
+
−    if (rv) {
+
−        goto loser;
+
−    }
+
−
+
−    return (SECSuccess);
+
−
+
−loser:
+
−    if (handle->dbMon) {
+
−        PZ_DestroyMonitor(handle->dbMon);
+
−        handle->dbMon = NULL;
+
−    }
+
−    PORT_SetError(SEC_ERROR_BAD_DATABASE);
+
−    return (SECFailure);
+
−}
+
−
+
−PRBool
+
−nsslowcert_needDBVerify(NSSLOWCERTCertDBHandle *handle)
+
−{
+
−    if (!handle)
+
−        return PR_FALSE;
+
−    return handle->dbVerify;
+
−}
+
−
+
−void
+
−nsslowcert_setDBVerify(NSSLOWCERTCertDBHandle *handle, PRBool value)
+
−{
+
−    handle->dbVerify = value;
+
−}
+
−
+
−/*
+
− * Lookup a certificate in the databases.
+
− */
+
−static NSSLOWCERTCertificate *
+
−FindCertByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey, PRBool lockdb)
+
−{
+
−    NSSLOWCERTCertificate *cert = NULL;
+
−    certDBEntryCert *entry;
+
−    PRBool locked = PR_FALSE;
+
−
+
−    if (lockdb) {
+
−        locked = PR_TRUE;
+
−        nsslowcert_LockDB(handle);
+
−    }
+
−
+
−    /* find in perm database */
+
−    entry = ReadDBCertEntry(handle, certKey);
+
−
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    /* inherit entry */
+
−    cert = DecodeACert(handle, entry);
+
−
+
−loser:
+
−    if (cert == NULL) {
+
−        if (entry) {
+
−            DestroyDBEntry((certDBEntry *)entry);
+
−        }
+
−    }
+
−
+
−    if (locked) {
+
−        nsslowcert_UnlockDB(handle);
+
−    }
+
−
+
−    return (cert);
+
−}
+
−
+
−/*
+
− * Lookup a certificate in the databases.
+
− */
+
−static NSSLOWCERTTrust *
+
−FindTrustByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey, PRBool lockdb)
+
−{
+
−    NSSLOWCERTTrust *trust = NULL;
+
−    certDBEntryCert *entry;
+
−    PRBool locked = PR_FALSE;
+
−
+
−    if (lockdb) {
+
−        locked = PR_TRUE;
+
−        nsslowcert_LockDB(handle);
+
−    }
+
−
+
−    /* find in perm database */
+
−    entry = ReadDBCertEntry(handle, certKey);
+
−
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    if (!nsslowcert_hasTrust(&entry->trust)) {
+
−        goto loser;
+
−    }
+
−
+
−    /* inherit entry */
+
−    trust = DecodeTrustEntry(handle, entry, certKey);
+
−
+
−loser:
+
−    if (trust == NULL) {
+
−        if (entry) {
+
−            DestroyDBEntry((certDBEntry *)entry);
+
−        }
+
−    }
+
−
+
−    if (locked) {
+
−        nsslowcert_UnlockDB(handle);
+
−    }
+
−
+
−    return (trust);
+
−}
+
−
+
−/*
+
− * Lookup a certificate in the databases without locking
+
− */
+
−NSSLOWCERTCertificate *
+
−nsslowcert_FindCertByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey)
+
−{
+
−    return (FindCertByKey(handle, certKey, PR_FALSE));
+
−}
+
−
+
−/*
+
− * Lookup a trust object in the databases without locking
+
− */
+
−NSSLOWCERTTrust *
+
−nsslowcert_FindTrustByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey)
+
−{
+
−    return (FindTrustByKey(handle, certKey, PR_FALSE));
+
−}
+
−
+
−/*
+
− * Generate a key from an issuerAndSerialNumber, and find the
+
− * associated cert in the database.
+
− */
+
−NSSLOWCERTCertificate *
+
−nsslowcert_FindCertByIssuerAndSN(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTIssuerAndSN *issuerAndSN)
+
−{
+
−    SECItem certKey;
+
−    SECItem *sn = &issuerAndSN->serialNumber;
+
−    SECItem *issuer = &issuerAndSN->derIssuer;
+
−    NSSLOWCERTCertificate *cert;
+
−    int data_len = sn->len;
+
−    int index = 0;
+
−
+
−    /* automatically detect DER encoded serial numbers and remove the der
+
−     * encoding since the database expects unencoded data.
+
−     * if it's DER encoded, there must be at least 3 bytes, tag, len, data */
+
−    if ((sn->len >= 3) && (sn->data[0] == 0x2)) {
+
−        /* remove the der encoding of the serial number before generating the
+
−         * key.. */
+
−        int data_left = sn->len - 2;
+
−        data_len = sn->data[1];
+
−        index = 2;
+
−
+
−        /* extended length ? (not very likely for a serial number) */
+
−        if (data_len & 0x80) {
+
−            int len_count = data_len & 0x7f;
+
−
+
−            data_len = 0;
+
−            data_left -= len_count;
+
−            if (data_left > 0) {
+
−                while (len_count--) {
+
−                    data_len = (data_len << 8) | sn->data[index++];
+
−                }
+
−            }
+
−        }
+
−        /* XXX leaving any leading zeros on the serial number for backwards
+
−         * compatibility
+
−         */
+
−        /* not a valid der, must be just an unlucky serial number value */
+
−        if (data_len != data_left) {
+
−            data_len = sn->len;
+
−            index = 0;
+
−        }
+
−    }
+
−
+
−    certKey.type = 0;
+
−    certKey.data = (unsigned char *)PORT_Alloc(sn->len + issuer->len);
+
−    certKey.len = data_len + issuer->len;
+
−
+
−    if (certKey.data == NULL) {
+
−        return (0);
+
−    }
+
−
+
−    /* first try the serial number as hand-decoded above*/
+
−    /* copy the serialNumber */
+
−    PORT_Memcpy(certKey.data, &sn->data[index], data_len);
+
−
+
−    /* copy the issuer */
+
−    PORT_Memcpy(&certKey.data[data_len], issuer->data, issuer->len);
+
−
+
−    cert = nsslowcert_FindCertByKey(handle, &certKey);
+
−    if (cert) {
+
−        PORT_Free(certKey.data);
+
−        return (cert);
+
−    }
+
−
+
−    /* didn't find it, try by der encoded serial number */
+
−    /* copy the serialNumber */
+
−    PORT_Memcpy(certKey.data, sn->data, sn->len);
+
−
+
−    /* copy the issuer */
+
−    PORT_Memcpy(&certKey.data[sn->len], issuer->data, issuer->len);
+
−    certKey.len = sn->len + issuer->len;
+
−
+
−    cert = nsslowcert_FindCertByKey(handle, &certKey);
+
−
+
−    PORT_Free(certKey.data);
+
−
+
−    return (cert);
+
−}
+
−
+
−/*
+
− * Generate a key from an issuerAndSerialNumber, and find the
+
− * associated cert in the database.
+
− */
+
−NSSLOWCERTTrust *
+
−nsslowcert_FindTrustByIssuerAndSN(NSSLOWCERTCertDBHandle *handle,
+
−                                  NSSLOWCERTIssuerAndSN *issuerAndSN)
+
−{
+
−    SECItem certKey;
+
−    SECItem *sn = &issuerAndSN->serialNumber;
+
−    SECItem *issuer = &issuerAndSN->derIssuer;
+
−    NSSLOWCERTTrust *trust;
+
−    unsigned char keyBuf[512];
+
−    int data_len = sn->len;
+
−    int index = 0;
+
−    int len;
+
−
+
−    /* automatically detect DER encoded serial numbers and remove the der
+
−     * encoding since the database expects unencoded data.
+
−     * if it's DER encoded, there must be at least 3 bytes, tag, len, data */
+
−    if ((sn->len >= 3) && (sn->data[0] == 0x2)) {
+
−        /* remove the der encoding of the serial number before generating the
+
−         * key.. */
+
−        int data_left = sn->len - 2;
+
−        data_len = sn->data[1];
+
−        index = 2;
+
−
+
−        /* extended length ? (not very likely for a serial number) */
+
−        if (data_len & 0x80) {
+
−            int len_count = data_len & 0x7f;
+
−
+
−            data_len = 0;
+
−            data_left -= len_count;
+
−            if (data_left > 0) {
+
−                while (len_count--) {
+
−                    data_len = (data_len << 8) | sn->data[index++];
+
−                }
+
−            }
+
−        }
+
−        /* XXX leaving any leading zeros on the serial number for backwards
+
−         * compatibility
+
−         */
+
−        /* not a valid der, must be just an unlucky serial number value */
+
−        if (data_len != data_left) {
+
−            data_len = sn->len;
+
−            index = 0;
+
−        }
+
−    }
+
−
+
−    certKey.type = 0;
+
−    certKey.len = data_len + issuer->len;
+
−    len = sn->len + issuer->len;
+
−    if (len > sizeof(keyBuf)) {
+
−        certKey.data = (unsigned char *)PORT_Alloc(len);
+
−    } else {
+
−        certKey.data = keyBuf;
+
−    }
+
−
+
−    if (certKey.data == NULL) {
+
−        return (0);
+
−    }
+
−
+
−    /* first try the serial number as hand-decoded above*/
+
−    /* copy the serialNumber */
+
−    PORT_Memcpy(certKey.data, &sn->data[index], data_len);
+
−
+
−    /* copy the issuer */
+
−    PORT_Memcpy(&certKey.data[data_len], issuer->data, issuer->len);
+
−
+
−    trust = nsslowcert_FindTrustByKey(handle, &certKey);
+
−    if (trust) {
+
−        pkcs11_freeStaticData(certKey.data, keyBuf);
+
−        return (trust);
+
−    }
+
−
+
−    if (index == 0) {
+
−        pkcs11_freeStaticData(certKey.data, keyBuf);
+
−        return NULL;
+
−    }
+
−
+
−    /* didn't find it, try by der encoded serial number */
+
−    /* copy the serialNumber */
+
−    PORT_Memcpy(certKey.data, sn->data, sn->len);
+
−
+
−    /* copy the issuer */
+
−    PORT_Memcpy(&certKey.data[sn->len], issuer->data, issuer->len);
+
−    certKey.len = sn->len + issuer->len;
+
−
+
−    trust = nsslowcert_FindTrustByKey(handle, &certKey);
+
−
+
−    pkcs11_freeStaticData(certKey.data, keyBuf);
+
−
+
−    return (trust);
+
−}
+
−
+
−/*
+
− * look for the given DER certificate in the database
+
− */
+
−NSSLOWCERTCertificate *
+
−nsslowcert_FindCertByDERCert(NSSLOWCERTCertDBHandle *handle, SECItem *derCert)
+
−{
+
−    PLArenaPool *arena;
+
−    SECItem certKey;
+
−    SECStatus rv;
+
−    NSSLOWCERTCertificate *cert = NULL;
+
−
+
−    /* create a scratch arena */
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        return (NULL);
+
−    }
+
−
+
−    /* extract the database key from the cert */
+
−    rv = nsslowcert_KeyFromDERCert(arena, derCert, &certKey);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* find the certificate */
+
−    cert = nsslowcert_FindCertByKey(handle, &certKey);
+
−
+
−loser:
+
−    PORT_FreeArena(arena, PR_FALSE);
+
−    return (cert);
+
−}
+
−
+
−static void
+
−DestroyCertificate(NSSLOWCERTCertificate *cert, PRBool lockdb)
+
−{
+
−    int refCount;
+
−    NSSLOWCERTCertDBHandle *handle;
+
−
+
−    if (cert) {
+
−
+
−        handle = cert->dbhandle;
+
−
+
−        /*
+
−         * handle may be NULL, for example if the cert was created with
+
−         * nsslowcert_DecodeDERCertificate.
+
−         */
+
−        if (lockdb && handle) {
+
−            nsslowcert_LockDB(handle);
+
−        }
+
−
+
−        nsslowcert_LockCertRefCount(cert);
+
−        PORT_Assert(cert->referenceCount > 0);
+
−        refCount = --cert->referenceCount;
+
−        nsslowcert_UnlockCertRefCount(cert);
+
−
+
−        if (refCount == 0) {
+
−            certDBEntryCert *entry = cert->dbEntry;
+
−
+
−            if (entry) {
+
−                DestroyDBEntry((certDBEntry *)entry);
+
−            }
+
−
+
−            pkcs11_freeNickname(cert->nickname, cert->nicknameSpace);
+
−            pkcs11_freeNickname(cert->emailAddr, cert->emailAddrSpace);
+
−            pkcs11_freeStaticData(cert->certKey.data, cert->certKeySpace);
+
−            cert->certKey.data = NULL;
+
−            cert->nickname = NULL;
+
−
+
−            /* zero cert before freeing. Any stale references to this cert
+
−             * after this point will probably cause an exception.  */
+
−            PORT_Memset(cert, 0, sizeof *cert);
+
−
+
−            /* use reflock to protect the free list */
+
−            nsslowcert_LockFreeList();
+
−            if (certListCount > MAX_CERT_LIST_COUNT) {
+
−                PORT_Free(cert);
+
−            } else {
+
−                certListCount++;
+
−                cert->next = certListHead;
+
−                certListHead = cert;
+
−            }
+
−            nsslowcert_UnlockFreeList();
+
−            cert = NULL;
+
−        }
+
−        if (lockdb && handle) {
+
−            nsslowcert_UnlockDB(handle);
+
−        }
+
−    }
+
−
+
−    return;
+
−}
+
−
+
−NSSLOWCERTCertificate *
+
−nsslowcert_CreateCert(void)
+
−{
+
−    NSSLOWCERTCertificate *cert;
+
−    nsslowcert_LockFreeList();
+
−    cert = certListHead;
+
−    if (cert) {
+
−        certListHead = cert->next;
+
−        certListCount--;
+
−    }
+
−    PORT_Assert(certListCount >= 0);
+
−    nsslowcert_UnlockFreeList();
+
−    if (cert) {
+
−        return cert;
+
−    }
+
−    return PORT_ZNew(NSSLOWCERTCertificate);
+
−}
+
−
+
−static void
+
−DestroyCertFreeList(void)
+
−{
+
−    NSSLOWCERTCertificate *cert;
+
−
+
−    nsslowcert_LockFreeList();
+
−    while (NULL != (cert = certListHead)) {
+
−        certListCount--;
+
−        certListHead = cert->next;
+
−        PORT_Free(cert);
+
−    }
+
−    PORT_Assert(!certListCount);
+
−    certListCount = 0;
+
−    nsslowcert_UnlockFreeList();
+
−}
+
−
+
−void
+
−nsslowcert_DestroyTrust(NSSLOWCERTTrust *trust)
+
−{
+
−    certDBEntryCert *entry = trust->dbEntry;
+
−
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−    pkcs11_freeStaticData(trust->dbKey.data, trust->dbKeySpace);
+
−    PORT_Memset(trust, 0, sizeof(*trust));
+
−
+
−    nsslowcert_LockFreeList();
+
−    if (trustListCount > MAX_TRUST_LIST_COUNT) {
+
−        PORT_Free(trust);
+
−    } else {
+
−        trustListCount++;
+
−        trust->next = trustListHead;
+
−        trustListHead = trust;
+
−    }
+
−    nsslowcert_UnlockFreeList();
+
−
+
−    return;
+
−}
+
−
+
−void
+
−nsslowcert_DestroyCertificate(NSSLOWCERTCertificate *cert)
+
−{
+
−    DestroyCertificate(cert, PR_TRUE);
+
−    return;
+
−}
+
−
+
−static void
+
−nsslowcert_DestroyCertificateNoLocking(NSSLOWCERTCertificate *cert)
+
−{
+
−    DestroyCertificate(cert, PR_FALSE);
+
−    return;
+
−}
+
−
+
−/*
+
− * Lookup a CRL in the databases. We mirror the same fast caching data base
+
− *  caching stuff used by certificates....?
+
− */
+
−certDBEntryRevocation *
+
−nsslowcert_FindCrlByKey(NSSLOWCERTCertDBHandle *handle,
+
−                        SECItem *crlKey, PRBool isKRL)
+
−{
+
−    SECItem keyitem;
+
−    SECStatus rv;
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntryRevocation *entry = NULL;
+
−    certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation
+
−                                    : certDBEntryTypeRevocation;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−    rv = EncodeDBGenericKey(crlKey, arena, &keyitem, crlType);
+
−    if (rv != SECSuccess) {
+
−        goto loser;
+
−    }
+
−
+
−    /* find in perm database */
+
−    entry = ReadDBCrlEntry(handle, crlKey, crlType);
+
−
+
−    if (entry == NULL) {
+
−        goto loser;
+
−    }
+
−
+
−loser:
+
−    if (arena) {
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    }
+
−
+
−    return entry;
+
−}
+
−
+
−/*
+
− * replace the existing URL in the data base with a new one
+
− */
+
−static SECStatus
+
−nsslowcert_UpdateCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl,
+
−                     SECItem *crlKey, char *url, PRBool isKRL)
+
−{
+
−    SECStatus rv = SECFailure;
+
−    certDBEntryRevocation *entry = NULL;
+
−    certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation
+
−                                    : certDBEntryTypeRevocation;
+
−    DeleteDBCrlEntry(handle, crlKey, crlType);
+
−
+
−    /* Write the new entry into the data base */
+
−    entry = NewDBCrlEntry(derCrl, url, crlType, 0);
+
−    if (entry == NULL)
+
−        goto done;
+
−
+
−    rv = WriteDBCrlEntry(handle, entry, crlKey);
+
−    if (rv != SECSuccess)
+
−        goto done;
+
−
+
−done:
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−    return rv;
+
−}
+
−
+
−SECStatus
+
−nsslowcert_AddCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl,
+
−                  SECItem *crlKey, char *url, PRBool isKRL)
+
−{
+
−    SECStatus rv;
+
−
+
−    rv = nsslowcert_UpdateCrl(handle, derCrl, crlKey, url, isKRL);
+
−
+
−    return rv;
+
−}
+
−
+
−SECStatus
+
−nsslowcert_DeletePermCRL(NSSLOWCERTCertDBHandle *handle, const SECItem *derName,
+
−                         PRBool isKRL)
+
−{
+
−    SECStatus rv;
+
−    certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation
+
−                                    : certDBEntryTypeRevocation;
+
−
+
−    rv = DeleteDBCrlEntry(handle, derName, crlType);
+
−    if (rv != SECSuccess)
+
−        goto done;
+
−
+
−done:
+
−    return rv;
+
−}
+
−
+
−PRBool
+
−nsslowcert_hasTrust(NSSLOWCERTCertTrust *trust)
+
−{
+
−    if (trust == NULL) {
+
−        return PR_FALSE;
+
−    }
+
−    return !((trust->sslFlags & CERTDB_TRUSTED_UNKNOWN) &&
+
−             (trust->emailFlags & CERTDB_TRUSTED_UNKNOWN) &&
+
−             (trust->objectSigningFlags & CERTDB_TRUSTED_UNKNOWN));
+
−}
+
−
+
−/*
+
− * This function has the logic that decides if another person's cert and
+
− * email profile from an S/MIME message should be saved.  It can deal with
+
− * the case when there is no profile.
+
− */
+
−static SECStatus
+
−nsslowcert_UpdateSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle,
+
−                              char *emailAddr, SECItem *derSubject, SECItem *emailProfile,
+
−                              SECItem *profileTime)
+
−{
+
−    certDBEntrySMime *entry = NULL;
+
−    SECStatus rv = SECFailure;
+
−    ;
+
−
+
−    /* find our existing entry */
+
−    entry = nsslowcert_ReadDBSMimeEntry(dbhandle, emailAddr);
+
−
+
−    if (entry) {
+
−        /* keep our old db entry consistant for old applications. */
+
−        if (!SECITEM_ItemsAreEqual(derSubject, &entry->subjectName)) {
+
−            nsslowcert_UpdateSubjectEmailAddr(dbhandle, &entry->subjectName,
+
−                                              emailAddr, nsslowcert_remove);
+
−        }
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−        entry = NULL;
+
−    }
+
−
+
−    /* now save the entry */
+
−    entry = NewDBSMimeEntry(emailAddr, derSubject, emailProfile,
+
−                            profileTime, 0);
+
−    if (entry == NULL) {
+
−        rv = SECFailure;
+
−        goto loser;
+
−    }
+
−
+
−    nsslowcert_LockDB(dbhandle);
+
−
+
−    rv = DeleteDBSMimeEntry(dbhandle, emailAddr);
+
−    /* if delete fails, try to write new entry anyway... */
+
−
+
−    /* link subject entry back here */
+
−    rv = nsslowcert_UpdateSubjectEmailAddr(dbhandle, derSubject, emailAddr,
+
−                                           nsslowcert_add);
+
−    if (rv != SECSuccess) {
+
−        nsslowcert_UnlockDB(dbhandle);
+
−        goto loser;
+
−    }
+
−
+
−    rv = WriteDBSMimeEntry(dbhandle, entry);
+
−    if (rv != SECSuccess) {
+
−        nsslowcert_UnlockDB(dbhandle);
+
−        goto loser;
+
−    }
+
−
+
−    nsslowcert_UnlockDB(dbhandle);
+
−
+
−    rv = SECSuccess;
+
−
+
−loser:
+
−    if (entry) {
+
−        DestroyDBEntry((certDBEntry *)entry);
+
−    }
+
−    return (rv);
+
−}
+
−
+
−SECStatus
+
−nsslowcert_SaveSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle, char *emailAddr,
+
−                            SECItem *derSubject, SECItem *emailProfile, SECItem *profileTime)
+
−{
+
−    SECStatus rv = SECFailure;
+
−    ;
+
−
+
−    rv = nsslowcert_UpdateSMimeProfile(dbhandle, emailAddr,
+
−                                       derSubject, emailProfile, profileTime);
+
−
+
−    return (rv);
+
−}
+
−
+
−void
+
−nsslowcert_DestroyFreeLists(void)
+
−{
+
−    if (freeListLock == NULL) {
+
−        return;
+
−    }
+
−    DestroyCertEntryFreeList();
+
−    DestroyTrustFreeList();
+
−    DestroyCertFreeList();
+
−    SKIP_AFTER_FORK(PZ_DestroyLock(freeListLock));
+
−    freeListLock = NULL;
+
−}
+
−
+
−void
+
−nsslowcert_DestroyGlobalLocks(void)
+
−{
+
−    if (dbLock) {
+
−        SKIP_AFTER_FORK(PZ_DestroyLock(dbLock));
+
−        dbLock = NULL;
+
−    }
+
−    if (certRefCountLock) {
+
−        SKIP_AFTER_FORK(PZ_DestroyLock(certRefCountLock));
+
−        certRefCountLock = NULL;
+
−    }
+
−    if (certTrustLock) {
+
−        SKIP_AFTER_FORK(PZ_DestroyLock(certTrustLock));
+
−        certTrustLock = NULL;
+
−    }
+
−}
+
−
+
−certDBEntry *
+
−nsslowcert_DecodeAnyDBEntry(SECItem *dbData, const SECItem *dbKey,
+
−                            certDBEntryType entryType, void *pdata)
+
−{
+
−    PLArenaPool *arena = NULL;
+
−    certDBEntry *entry;
+
−    SECStatus rv;
+
−    SECItem dbEntry;
+
−
+
−    if ((dbData->len < SEC_DB_ENTRY_HEADER_LEN) || (dbKey->len == 0)) {
+
−        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+
−        goto loser;
+
−    }
+
−    dbEntry.data = &dbData->data[SEC_DB_ENTRY_HEADER_LEN];
+
−    dbEntry.len = dbData->len - SEC_DB_ENTRY_HEADER_LEN;
+
−
+
−    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+
−    if (arena == NULL) {
+
−        goto loser;
+
−    }
+
−    entry = PORT_ArenaZNew(arena, certDBEntry);
+
−    if (!entry)
+
−        goto loser;
+
−
+
−    entry->common.version = (unsigned int)dbData->data[0];
+
−    entry->common.flags = (unsigned int)dbData->data[2];
+
−    entry->common.type = entryType;
+
−    entry->common.arena = arena;
+
−
+
−    switch (entryType) {
+
−        case certDBEntryTypeContentVersion: /* This type appears to be unused */
+
−        case certDBEntryTypeVersion:        /* This type has only the common hdr */
+
−            rv = SECSuccess;
+
−            break;
+
−
+
−        case certDBEntryTypeSubject:
+
−            rv = DecodeDBSubjectEntry(&entry->subject, &dbEntry, dbKey);
+
−            break;
+
−
+
−        case certDBEntryTypeNickname:
+
−            rv = DecodeDBNicknameEntry(&entry->nickname, &dbEntry,
+
−                                       (char *)dbKey->data);
+
−            break;
+
−
+
−        /* smime profiles need entries created after the certs have
+
−         * been imported, loop over them in a second run */
+
−        case certDBEntryTypeSMimeProfile:
+
−            rv = DecodeDBSMimeEntry(&entry->smime, &dbEntry, (char *)dbKey->data);
+
−            break;
+
−
+
−        case certDBEntryTypeCert:
+
−            rv = DecodeDBCertEntry(&entry->cert, &dbEntry);
+
−            break;
+
−
+
−        case certDBEntryTypeKeyRevocation:
+
−        case certDBEntryTypeRevocation:
+
−            rv = DecodeDBCrlEntry(&entry->revocation, &dbEntry);
+
−            break;
+
−
+
−        default:
+
−            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+
−            rv = SECFailure;
+
−    }
+
−
+
−    if (rv == SECSuccess)
+
−        return entry;
+
−
+
−loser:
+
−    if (arena)
+
−        PORT_FreeArena(arena, PR_FALSE);
+
−    return NULL;
+
−}