Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1541 insertions, 0 deletions

diff --git a/security/nss/cmd/crlutil/crlgen.c b/security/nss/cmd/crlutil/crlgen.c
new file mode 100644
index 0000000000..fce5e2a601
--- /dev/null
+++ b/security/nss/cmd/crlutil/crlgen.c
@@ -0,0 +1,1541 @@
+/* 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/. */
+
+/*
+** crlgen.c
+**
+** utility for managing certificates revocation lists generation
+**
+*/
+
+#include <stdio.h>
+#include <math.h>
+
+#include "nspr.h"
+#include "plgetopt.h"
+#include "nss.h"
+#include "secutil.h"
+#include "cert.h"
+#include "certi.h"
+#include "certdb.h"
+#include "pk11func.h"
+#include "crlgen.h"
+
+/* Destroys extHandle and data. data was create on heap.
+ * extHandle creaded by CERT_StartCRLEntryExtensions. entry
+ * was allocated on arena.*/
+static void
+destroyEntryData(CRLGENEntryData *data)
+{
+    if (!data)
+        return;
+    PORT_Assert(data->entry);
+    if (data->extHandle)
+        CERT_FinishExtensions(data->extHandle);
+    PORT_Free(data);
+}
+
+/* Prints error messages along with line number */
+void
+crlgen_PrintError(int line, char *msg, ...)
+{
+    va_list args;
+
+    va_start(args, msg);
+
+    fprintf(stderr, "crlgen: (line: %d) ", line);
+    vfprintf(stderr, msg, args);
+
+    va_end(args);
+}
+/* Finds CRLGENEntryData in hashtable according PRUint64 value
+ * - certId : cert serial number*/
+static CRLGENEntryData *
+crlgen_FindEntry(CRLGENGeneratorData *crlGenData, SECItem *certId)
+{
+    if (!crlGenData->entryDataHashTable || !certId)
+        return NULL;
+    return (CRLGENEntryData *)
+        PL_HashTableLookup(crlGenData->entryDataHashTable,
+                           certId);
+}
+
+/* Removes CRLGENEntryData from hashtable according to certId
+ * - certId : cert serial number*/
+static SECStatus
+crlgen_RmEntry(CRLGENGeneratorData *crlGenData, SECItem *certId)
+{
+    CRLGENEntryData *data = NULL;
+    SECStatus rv = SECSuccess;
+
+    if (!crlGenData->entryDataHashTable) {
+        return SECSuccess;
+    }
+
+    data = crlgen_FindEntry(crlGenData, certId);
+    if (!data) {
+        return SECSuccess;
+    }
+
+    if (!PL_HashTableRemove(crlGenData->entryDataHashTable, certId)) {
+        rv = SECFailure;
+    }
+
+    destroyEntryData(data);
+    return rv;
+}
+
+/* Stores CRLGENEntryData in hashtable according to certId
+ * - certId : cert serial number*/
+static CRLGENEntryData *
+crlgen_PlaceAnEntry(CRLGENGeneratorData *crlGenData,
+                    CERTCrlEntry *entry, SECItem *certId)
+{
+    CRLGENEntryData *newData = NULL;
+
+    PORT_Assert(crlGenData && crlGenData->entryDataHashTable &&
+                entry);
+    if (!crlGenData || !crlGenData->entryDataHashTable || !entry) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    newData = PORT_ZNew(CRLGENEntryData);
+    if (!newData) {
+        return NULL;
+    }
+    newData->entry = entry;
+    newData->certId = certId;
+    if (!PL_HashTableAdd(crlGenData->entryDataHashTable,
+                         newData->certId, newData)) {
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "Can not add entryData structure\n");
+        return NULL;
+    }
+    return newData;
+}
+
+/* Use this structure to keep pointer when commiting entries extensions */
+struct commitData {
+    int pos;
+    CERTCrlEntry **entries;
+};
+
+/* HT PL_HashTableEnumerateEntries callback. Sorts hashtable entries of the
+ * table he. Returns value through arg parameter*/
+static PRIntn PR_CALLBACK
+crlgen_CommitEntryData(PLHashEntry *he, PRIntn i, void *arg)
+{
+    CRLGENEntryData *data = NULL;
+
+    PORT_Assert(he);
+    if (!he) {
+        return HT_ENUMERATE_NEXT;
+    }
+    data = (CRLGENEntryData *)he->value;
+
+    PORT_Assert(data);
+    PORT_Assert(arg);
+
+    if (data) {
+        struct commitData *dt = (struct commitData *)arg;
+        dt->entries[dt->pos++] = data->entry;
+        destroyEntryData(data);
+    }
+    return HT_ENUMERATE_NEXT;
+}
+
+/* Copy char * datainto allocated in arena SECItem */
+static SECStatus
+crlgen_SetString(PLArenaPool *arena, const char *dataIn, SECItem *value)
+{
+    SECItem item;
+
+    PORT_Assert(arena && dataIn);
+    if (!arena || !dataIn) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    item.data = (void *)dataIn;
+    item.len = PORT_Strlen(dataIn);
+
+    return SECITEM_CopyItem(arena, value, &item);
+}
+
+/* Creates CERTGeneralName from parsed data for the Authority Key Extension */
+static CERTGeneralName *
+crlgen_GetGeneralName(PLArenaPool *arena, CRLGENGeneratorData *crlGenData,
+                      const char *data)
+{
+    CERTGeneralName *namesList = NULL;
+    CERTGeneralName *current;
+    CERTGeneralName *tail = NULL;
+    SECStatus rv = SECSuccess;
+    const char *nextChunk = NULL;
+    const char *currData = NULL;
+    int intValue;
+    char buffer[512];
+    void *mark;
+
+    if (!data)
+        return NULL;
+    PORT_Assert(arena);
+    if (!arena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    mark = PORT_ArenaMark(arena);
+
+    nextChunk = data;
+    currData = data;
+    do {
+        int nameLen = 0;
+        char name[128];
+        const char *sepPrt = NULL;
+        nextChunk = PORT_Strchr(currData, '|');
+        if (!nextChunk)
+            nextChunk = data + strlen(data);
+        sepPrt = PORT_Strchr(currData, ':');
+        if (sepPrt == NULL || sepPrt >= nextChunk) {
+            *buffer = '\0';
+            sepPrt = nextChunk;
+        } else {
+            PORT_Memcpy(buffer, sepPrt + 1,
+                        (nextChunk - sepPrt - 1));
+            buffer[nextChunk - sepPrt - 1] = '\0';
+        }
+        nameLen = PR_MIN(sepPrt - currData, sizeof(name) - 1);
+        PORT_Memcpy(name, currData, nameLen);
+        name[nameLen] = '\0';
+        currData = nextChunk + 1;
+
+        if (!PORT_Strcmp(name, "otherName"))
+            intValue = certOtherName;
+        else if (!PORT_Strcmp(name, "rfc822Name"))
+            intValue = certRFC822Name;
+        else if (!PORT_Strcmp(name, "dnsName"))
+            intValue = certDNSName;
+        else if (!PORT_Strcmp(name, "x400Address"))
+            intValue = certX400Address;
+        else if (!PORT_Strcmp(name, "directoryName"))
+            intValue = certDirectoryName;
+        else if (!PORT_Strcmp(name, "ediPartyName"))
+            intValue = certEDIPartyName;
+        else if (!PORT_Strcmp(name, "URI"))
+            intValue = certURI;
+        else if (!PORT_Strcmp(name, "ipAddress"))
+            intValue = certIPAddress;
+        else if (!PORT_Strcmp(name, "registerID"))
+            intValue = certRegisterID;
+        else
+            intValue = -1;
+
+        if (intValue >= certOtherName && intValue <= certRegisterID) {
+            if (namesList == NULL) {
+                namesList = current = tail = PORT_ArenaZNew(arena,
+                                                            CERTGeneralName);
+            } else {
+                current = PORT_ArenaZNew(arena, CERTGeneralName);
+            }
+            if (current == NULL) {
+                rv = SECFailure;
+                break;
+            }
+        } else {
+            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+            break;
+        }
+        current->type = intValue;
+        switch (current->type) {
+            case certURI:
+            case certDNSName:
+            case certRFC822Name:
+                current->name.other.data = PORT_ArenaAlloc(arena, strlen(buffer));
+                if (current->name.other.data == NULL) {
+                    rv = SECFailure;
+                    break;
+                }
+                PORT_Memcpy(current->name.other.data, buffer,
+                            current->name.other.len = strlen(buffer));
+                break;
+
+            case certEDIPartyName:
+            case certIPAddress:
+            case certOtherName:
+            case certRegisterID:
+            case certX400Address: {
+
+                current->name.other.data = PORT_ArenaAlloc(arena, strlen(buffer) + 2);
+                if (current->name.other.data == NULL) {
+                    rv = SECFailure;
+                    break;
+                }
+
+                PORT_Memcpy(current->name.other.data + 2, buffer, strlen(buffer));
+                /* This may not be accurate for all cases.For now, use this tag type */
+                current->name.other.data[0] = (char)(((current->type - 1) & 0x1f) | 0x80);
+                current->name.other.data[1] = (char)strlen(buffer);
+                current->name.other.len = strlen(buffer) + 2;
+                break;
+            }
+
+            case certDirectoryName: {
+                CERTName *directoryName = NULL;
+
+                directoryName = CERT_AsciiToName(buffer);
+                if (!directoryName) {
+                    rv = SECFailure;
+                    break;
+                }
+
+                rv = CERT_CopyName(arena, &current->name.directoryName, directoryName);
+                CERT_DestroyName(directoryName);
+
+                break;
+            }
+        }
+        if (rv != SECSuccess)
+            break;
+        current->l.next = &(namesList->l);
+        current->l.prev = &(tail->l);
+        tail->l.next = &(current->l);
+        tail = current;
+
+    } while (nextChunk != data + strlen(data));
+
+    if (rv != SECSuccess) {
+        PORT_ArenaRelease(arena, mark);
+        namesList = NULL;
+    }
+    return (namesList);
+}
+
+/* Creates CERTGeneralName from parsed data for the Authority Key Extension */
+static CERTGeneralName *
+crlgen_DistinguishedName(PLArenaPool *arena, CRLGENGeneratorData *crlGenData,
+                         const char *data)
+{
+    CERTName *directoryName = NULL;
+    CERTGeneralName *current;
+    SECStatus rv = SECFailure;
+    void *mark;
+
+    if (!data)
+        return NULL;
+    PORT_Assert(arena);
+    if (!arena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    mark = PORT_ArenaMark(arena);
+
+    current = PORT_ArenaZNew(arena, CERTGeneralName);
+    if (current == NULL) {
+        goto loser;
+    }
+    current->type = certDirectoryName;
+    current->l.next = &current->l;
+    current->l.prev = &current->l;
+
+    directoryName = CERT_AsciiToName((char *)data);
+    if (!directoryName) {
+        goto loser;
+    }
+
+    rv = CERT_CopyName(arena, &current->name.directoryName, directoryName);
+    CERT_DestroyName(directoryName);
+
+loser:
+    if (rv != SECSuccess) {
+        PORT_SetError(rv);
+        PORT_ArenaRelease(arena, mark);
+        current = NULL;
+    }
+    return (current);
+}
+
+/* Adding Authority Key ID extension to extension handle. */
+static SECStatus
+crlgen_AddAuthKeyID(CRLGENGeneratorData *crlGenData,
+                    const char **dataArr)
+{
+    void *extHandle = NULL;
+    CERTAuthKeyID *authKeyID = NULL;
+    PLArenaPool *arena = NULL;
+    SECStatus rv = SECSuccess;
+
+    PORT_Assert(dataArr && crlGenData);
+    if (!crlGenData || !dataArr) {
+        return SECFailure;
+    }
+
+    extHandle = crlGenData->crlExtHandle;
+
+    if (!dataArr[0] || !dataArr[1] || !dataArr[2]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of parameters.\n");
+        return SECFailure;
+    }
+
+    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+    if (!arena) {
+        return SECFailure;
+    }
+
+    authKeyID = PORT_ArenaZNew(arena, CERTAuthKeyID);
+    if (authKeyID == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+
+    if (dataArr[3] == NULL) {
+        rv = crlgen_SetString(arena, dataArr[2], &authKeyID->keyID);
+        if (rv != SECSuccess)
+            goto loser;
+    } else {
+        rv = crlgen_SetString(arena, dataArr[3],
+                              &authKeyID->authCertSerialNumber);
+        if (rv != SECSuccess)
+            goto loser;
+
+        authKeyID->authCertIssuer =
+            crlgen_DistinguishedName(arena, crlGenData, dataArr[2]);
+        if (authKeyID->authCertIssuer == NULL && SECFailure == PORT_GetError()) {
+            crlgen_PrintError(crlGenData->parsedLineNum, "syntax error.\n");
+            rv = SECFailure;
+            goto loser;
+        }
+    }
+
+    rv =
+        SECU_EncodeAndAddExtensionValue(arena, extHandle, authKeyID,
+                                        (*dataArr[1] == '1') ? PR_TRUE : PR_FALSE,
+                                        SEC_OID_X509_AUTH_KEY_ID,
+                                        (EXTEN_EXT_VALUE_ENCODER)CERT_EncodeAuthKeyID);
+loser:
+    if (arena)
+        PORT_FreeArena(arena, PR_FALSE);
+    return rv;
+}
+
+/* Creates and add Subject Alternative Names extension */
+static SECStatus
+crlgen_AddIssuerAltNames(CRLGENGeneratorData *crlGenData,
+                         const char **dataArr)
+{
+    CERTGeneralName *nameList = NULL;
+    PLArenaPool *arena = NULL;
+    void *extHandle = NULL;
+    SECStatus rv = SECSuccess;
+
+    PORT_Assert(dataArr && crlGenData);
+    if (!crlGenData || !dataArr) {
+        return SECFailure;
+    }
+
+    if (!dataArr || !dataArr[0] || !dataArr[1] || !dataArr[2]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+
+    PORT_Assert(dataArr && crlGenData);
+    if (!crlGenData || !dataArr) {
+        return SECFailure;
+    }
+
+    extHandle = crlGenData->crlExtHandle;
+
+    if (!dataArr[0] || !dataArr[1] || !dataArr[2]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of parameters.\n");
+        return SECFailure;
+    }
+
+    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+    if (!arena) {
+        return SECFailure;
+    }
+
+    nameList = crlgen_GetGeneralName(arena, crlGenData, dataArr[2]);
+    if (nameList == NULL) {
+        crlgen_PrintError(crlGenData->parsedLineNum, "syntax error.\n");
+        rv = SECFailure;
+        goto loser;
+    }
+
+    rv =
+        SECU_EncodeAndAddExtensionValue(arena, extHandle, nameList,
+                                        (*dataArr[1] == '1') ? PR_TRUE : PR_FALSE,
+                                        SEC_OID_X509_ISSUER_ALT_NAME,
+                                        (EXTEN_EXT_VALUE_ENCODER)CERT_EncodeAltNameExtension);
+loser:
+    if (arena)
+        PORT_FreeArena(arena, PR_FALSE);
+    return rv;
+}
+
+/* Creates and adds CRLNumber extension to extension handle.
+ * Since, this is CRL extension, extension handle is the one
+ * related to CRL extensions */
+static SECStatus
+crlgen_AddCrlNumber(CRLGENGeneratorData *crlGenData, const char **dataArr)
+{
+    PLArenaPool *arena = NULL;
+    SECItem encodedItem;
+    void *dummy;
+    SECStatus rv = SECFailure;
+    int code = 0;
+
+    PORT_Assert(dataArr && crlGenData);
+    if (!crlGenData || !dataArr) {
+        goto loser;
+    }
+
+    if (!dataArr[0] || !dataArr[1] || !dataArr[2]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        goto loser;
+    }
+
+    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+    if (arena == NULL) {
+        goto loser;
+    }
+
+    code = atoi(dataArr[2]);
+    if (code == 0 && *dataArr[2] != '0') {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        goto loser;
+    }
+
+    dummy = SEC_ASN1EncodeInteger(arena, &encodedItem, code);
+    if (!dummy) {
+        rv = SECFailure;
+        goto loser;
+    }
+
+    rv = CERT_AddExtension(crlGenData->crlExtHandle, SEC_OID_X509_CRL_NUMBER,
+                           &encodedItem,
+                           (*dataArr[1] == '1') ? PR_TRUE : PR_FALSE,
+                           PR_TRUE);
+
+loser:
+    if (arena)
+        PORT_FreeArena(arena, PR_FALSE);
+    return rv;
+}
+
+/* Creates Cert Revocation Reason code extension. Encodes it and
+ * returns as SECItem structure */
+static SECItem *
+crlgen_CreateReasonCode(PLArenaPool *arena, const char **dataArr,
+                        int *extCode)
+{
+    SECItem *encodedItem;
+    void *dummy;
+    void *mark = NULL;
+    int code = 0;
+
+    PORT_Assert(arena && dataArr);
+    if (!arena || !dataArr) {
+        goto loser;
+    }
+
+    mark = PORT_ArenaMark(arena);
+
+    encodedItem = PORT_ArenaZNew(arena, SECItem);
+    if (encodedItem == NULL) {
+        goto loser;
+    }
+
+    if (dataArr[2] == NULL) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        goto loser;
+    }
+
+    code = atoi(dataArr[2]);
+    /* aACompromise(10) is the last possible of the values
+     * for the Reason Core Extension */
+    if ((code == 0 && *dataArr[2] != '0') || code > 10) {
+
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        goto loser;
+    }
+
+    dummy = SEC_ASN1EncodeInteger(arena, encodedItem, code);
+    if (!dummy) {
+        goto loser;
+    }
+
+    *extCode = SEC_OID_X509_REASON_CODE;
+    return encodedItem;
+
+loser:
+    if (mark) {
+        PORT_ArenaRelease(arena, mark);
+    }
+    return NULL;
+}
+
+/* Creates Cert Invalidity Date extension. Encodes it and
+ * returns as SECItem structure */
+static SECItem *
+crlgen_CreateInvalidityDate(PLArenaPool *arena, const char **dataArr,
+                            int *extCode)
+{
+    SECItem *encodedItem;
+    int length = 0;
+    void *mark = NULL;
+
+    PORT_Assert(arena && dataArr);
+    if (!arena || !dataArr) {
+        goto loser;
+    }
+
+    mark = PORT_ArenaMark(arena);
+
+    encodedItem = PORT_ArenaZNew(arena, SECItem);
+    if (encodedItem == NULL) {
+        goto loser;
+    }
+
+    length = PORT_Strlen(dataArr[2]);
+
+    encodedItem->type = siGeneralizedTime;
+    encodedItem->data = PORT_ArenaAlloc(arena, length);
+    if (!encodedItem->data) {
+        goto loser;
+    }
+
+    PORT_Memcpy(encodedItem->data, dataArr[2], (encodedItem->len = length) * sizeof(char));
+
+    *extCode = SEC_OID_X509_INVALID_DATE;
+    return encodedItem;
+
+loser:
+    if (mark) {
+        PORT_ArenaRelease(arena, mark);
+    }
+    return NULL;
+}
+
+/* Creates(by calling extCreator function) and adds extension to a set
+ * of already added certs. Uses values of rangeFrom and rangeTo from
+ * CRLGENCrlGenCtl structure for identifying the inclusive set of certs */
+static SECStatus
+crlgen_AddEntryExtension(CRLGENGeneratorData *crlGenData,
+                         const char **dataArr, char *extName,
+                         SECItem *(*extCreator)(PLArenaPool *arena,
+                                                const char **dataArr,
+                                                int *extCode))
+{
+    PRUint64 i = 0;
+    SECStatus rv = SECFailure;
+    int extCode = 0;
+    PRUint64 lastRange;
+    SECItem *ext = NULL;
+    PLArenaPool *arena = NULL;
+
+    PORT_Assert(crlGenData && dataArr);
+    if (!crlGenData || !dataArr) {
+        goto loser;
+    }
+
+    if (!dataArr[0] || !dataArr[1]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+    }
+
+    lastRange = crlGenData->rangeTo - crlGenData->rangeFrom + 1;
+
+    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
+    if (arena == NULL) {
+        goto loser;
+    }
+
+    ext = extCreator(arena, dataArr, &extCode);
+    if (ext == NULL) {
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "got error while creating extension: %s\n",
+                          extName);
+        goto loser;
+    }
+
+    for (i = 0; i < lastRange; i++) {
+        CRLGENEntryData *extData = NULL;
+        void *extHandle = NULL;
+        SECItem *certIdItem =
+            SEC_ASN1EncodeInteger(arena, NULL,
+                                  crlGenData->rangeFrom + i);
+        if (!certIdItem) {
+            rv = SECFailure;
+            goto loser;
+        }
+
+        extData = crlgen_FindEntry(crlGenData, certIdItem);
+        if (!extData) {
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "can not add extension: crl entry "
+                              "(serial number: %d) is not in the list yet.\n",
+                              crlGenData->rangeFrom + i);
+            continue;
+        }
+
+        extHandle = extData->extHandle;
+        if (extHandle == NULL) {
+            extHandle = extData->extHandle =
+                CERT_StartCRLEntryExtensions(&crlGenData->signCrl->crl,
+                                             (CERTCrlEntry *)extData->entry);
+        }
+        rv = CERT_AddExtension(extHandle, extCode, ext,
+                               (*dataArr[1] == '1') ? PR_TRUE : PR_FALSE,
+                               PR_TRUE);
+        if (rv == SECFailure) {
+            goto loser;
+        }
+    }
+
+loser:
+    if (arena)
+        PORT_FreeArena(arena, PR_FALSE);
+    return rv;
+}
+
+/* Commits all added entries and their's extensions into CRL. */
+SECStatus
+CRLGEN_CommitExtensionsAndEntries(CRLGENGeneratorData *crlGenData)
+{
+    int size = 0;
+    CERTCrl *crl;
+    PLArenaPool *arena;
+    SECStatus rv = SECSuccess;
+    void *mark;
+
+    PORT_Assert(crlGenData && crlGenData->signCrl && crlGenData->signCrl->arena);
+    if (!crlGenData || !crlGenData->signCrl || !crlGenData->signCrl->arena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    arena = crlGenData->signCrl->arena;
+    crl = &crlGenData->signCrl->crl;
+
+    mark = PORT_ArenaMark(arena);
+
+    if (crlGenData->crlExtHandle)
+        CERT_FinishExtensions(crlGenData->crlExtHandle);
+
+    size = crlGenData->entryDataHashTable->nentries;
+    crl->entries = NULL;
+    if (size) {
+        crl->entries = PORT_ArenaZNewArray(arena, CERTCrlEntry *, size + 1);
+        if (!crl->entries) {
+            rv = SECFailure;
+        } else {
+            struct commitData dt;
+            dt.entries = crl->entries;
+            dt.pos = 0;
+            PL_HashTableEnumerateEntries(crlGenData->entryDataHashTable,
+                                         &crlgen_CommitEntryData, &dt);
+            /* Last should be NULL */
+            crl->entries[size] = NULL;
+        }
+    }
+
+    if (rv != SECSuccess)
+        PORT_ArenaRelease(arena, mark);
+    return rv;
+}
+
+/* Initializes extHandle with data from extensions array */
+static SECStatus
+crlgen_InitExtensionHandle(void *extHandle,
+                           CERTCertExtension **extensions)
+{
+    CERTCertExtension *extension = NULL;
+
+    if (!extensions)
+        return SECSuccess;
+
+    PORT_Assert(extHandle != NULL);
+    if (!extHandle) {
+        return SECFailure;
+    }
+
+    extension = *extensions;
+    while (extension) {
+        SECOidTag oidTag = SECOID_FindOIDTag(&extension->id);
+        /* shell we skip unknown extensions? */
+        CERT_AddExtension(extHandle, oidTag, &extension->value,
+                          (extension->critical.len != 0) ? PR_TRUE : PR_FALSE,
+                          PR_FALSE);
+        extension = *(++extensions);
+    }
+    return SECSuccess;
+}
+
+/* Used for initialization of extension handles for crl and certs
+ * extensions from existing CRL data then modifying existing CRL.*/
+SECStatus
+CRLGEN_ExtHandleInit(CRLGENGeneratorData *crlGenData)
+{
+    CERTCrl *crl = NULL;
+    PRUint64 maxSN = 0;
+
+    PORT_Assert(crlGenData && crlGenData->signCrl &&
+                crlGenData->entryDataHashTable);
+    if (!crlGenData || !crlGenData->signCrl ||
+        !crlGenData->entryDataHashTable) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    crl = &crlGenData->signCrl->crl;
+    crlGenData->crlExtHandle = CERT_StartCRLExtensions(crl);
+    crlgen_InitExtensionHandle(crlGenData->crlExtHandle,
+                               crl->extensions);
+    crl->extensions = NULL;
+
+    if (crl->entries) {
+        CERTCrlEntry **entry = crl->entries;
+        while (*entry) {
+            PRUint64 sn = DER_GetInteger(&(*entry)->serialNumber);
+            CRLGENEntryData *extData =
+                crlgen_PlaceAnEntry(crlGenData, *entry, &(*entry)->serialNumber);
+            if ((*entry)->extensions) {
+                extData->extHandle =
+                    CERT_StartCRLEntryExtensions(&crlGenData->signCrl->crl,
+                                                 (CERTCrlEntry *)extData->entry);
+                if (crlgen_InitExtensionHandle(extData->extHandle,
+                                               (*entry)->extensions) == SECFailure)
+                    return SECFailure;
+            }
+            (*entry)->extensions = NULL;
+            entry++;
+            maxSN = PR_MAX(maxSN, sn);
+        }
+    }
+
+    crlGenData->rangeFrom = crlGenData->rangeTo = maxSN + 1;
+    return SECSuccess;
+}
+
+/*****************************************************************************
+ * Parser trigger functions start here
+ */
+
+/* Sets new internal range value for add/rm certs.*/
+static SECStatus
+crlgen_SetNewRangeField(CRLGENGeneratorData *crlGenData, char *value)
+{
+    long rangeFrom = 0, rangeTo = 0;
+    char *dashPos = NULL;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    if (value == NULL) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+
+    if ((dashPos = strchr(value, '-')) != NULL) {
+        char *rangeToS, *rangeFromS = value;
+        *dashPos = '\0';
+        rangeFrom = atoi(rangeFromS);
+        *dashPos = '-';
+
+        rangeToS = (char *)(dashPos + 1);
+        rangeTo = atol(rangeToS);
+    } else {
+        rangeFrom = atol(value);
+        rangeTo = rangeFrom;
+    }
+
+    if (rangeFrom < 1 || rangeTo < rangeFrom) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "bad cert id range: %s.\n", value);
+        return SECFailure;
+    }
+
+    crlGenData->rangeFrom = rangeFrom;
+    crlGenData->rangeTo = rangeTo;
+
+    return SECSuccess;
+}
+
+/* Changes issuer subject field in CRL. By default this data is taken from
+ * issuer cert subject field.Not yet implemented */
+static SECStatus
+crlgen_SetIssuerField(CRLGENGeneratorData *crlGenData, char *value)
+{
+    crlgen_PrintError(crlGenData->parsedLineNum,
+                      "Can not change CRL issuer field.\n");
+    return SECFailure;
+}
+
+/* Encode and sets CRL thisUpdate and nextUpdate time fields*/
+static SECStatus
+crlgen_SetTimeField(CRLGENGeneratorData *crlGenData, char *value,
+                    PRBool setThisUpdate)
+{
+    CERTSignedCrl *signCrl;
+    PLArenaPool *arena;
+    CERTCrl *crl;
+    int length = 0;
+    SECItem *timeDest = NULL;
+
+    PORT_Assert(crlGenData && crlGenData->signCrl &&
+                crlGenData->signCrl->arena);
+    if (!crlGenData || !crlGenData->signCrl || !crlGenData->signCrl->arena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    signCrl = crlGenData->signCrl;
+    arena = signCrl->arena;
+    crl = &signCrl->crl;
+
+    if (value == NULL) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+    length = PORT_Strlen(value);
+
+    if (setThisUpdate == PR_TRUE) {
+        timeDest = &crl->lastUpdate;
+    } else {
+        timeDest = &crl->nextUpdate;
+    }
+
+    timeDest->type = siGeneralizedTime;
+    timeDest->data = PORT_ArenaAlloc(arena, length);
+    if (!timeDest->data) {
+        return SECFailure;
+    }
+    PORT_Memcpy(timeDest->data, value, length);
+    timeDest->len = length;
+
+    return SECSuccess;
+}
+
+/* Adds new extension into CRL or added cert handles */
+static SECStatus
+crlgen_AddExtension(CRLGENGeneratorData *crlGenData, const char **extData)
+{
+    PORT_Assert(crlGenData && crlGenData->crlExtHandle);
+    if (!crlGenData || !crlGenData->crlExtHandle) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    if (extData == NULL || *extData == NULL) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+    if (!PORT_Strcmp(*extData, "authKeyId"))
+        return crlgen_AddAuthKeyID(crlGenData, extData);
+    else if (!PORT_Strcmp(*extData, "issuerAltNames"))
+        return crlgen_AddIssuerAltNames(crlGenData, extData);
+    else if (!PORT_Strcmp(*extData, "crlNumber"))
+        return crlgen_AddCrlNumber(crlGenData, extData);
+    else if (!PORT_Strcmp(*extData, "reasonCode"))
+        return crlgen_AddEntryExtension(crlGenData, extData, "reasonCode",
+                                        crlgen_CreateReasonCode);
+    else if (!PORT_Strcmp(*extData, "invalidityDate"))
+        return crlgen_AddEntryExtension(crlGenData, extData, "invalidityDate",
+                                        crlgen_CreateInvalidityDate);
+    else {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+}
+
+/* Created CRLGENEntryData for cert with serial number certId and
+ * adds it to entryDataHashTable. certId can be a single cert serial
+ * number or an inclusive rage of certs */
+static SECStatus
+crlgen_AddCert(CRLGENGeneratorData *crlGenData,
+               char *certId, char *revocationDate)
+{
+    CERTSignedCrl *signCrl;
+    SECItem *certIdItem;
+    PLArenaPool *arena;
+    PRUint64 rangeFrom = 0, rangeTo = 0, i = 0;
+    int timeValLength = -1;
+    SECStatus rv = SECFailure;
+    void *mark;
+
+    PORT_Assert(crlGenData && crlGenData->signCrl &&
+                crlGenData->signCrl->arena);
+    if (!crlGenData || !crlGenData->signCrl || !crlGenData->signCrl->arena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    signCrl = crlGenData->signCrl;
+    arena = signCrl->arena;
+
+    if (!certId || !revocationDate) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "insufficient number of arguments.\n");
+        return SECFailure;
+    }
+
+    timeValLength = strlen(revocationDate);
+
+    if (crlgen_SetNewRangeField(crlGenData, certId) == SECFailure &&
+        certId) {
+        return SECFailure;
+    }
+    rangeFrom = crlGenData->rangeFrom;
+    rangeTo = crlGenData->rangeTo;
+
+    for (i = 0; i < rangeTo - rangeFrom + 1; i++) {
+        CERTCrlEntry *entry;
+        mark = PORT_ArenaMark(arena);
+        entry = PORT_ArenaZNew(arena, CERTCrlEntry);
+        if (entry == NULL) {
+            goto loser;
+        }
+
+        certIdItem = SEC_ASN1EncodeInteger(arena, &entry->serialNumber,
+                                           rangeFrom + i);
+        if (!certIdItem) {
+            goto loser;
+        }
+
+        if (crlgen_FindEntry(crlGenData, certIdItem)) {
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "entry already exists. Use \"range\" "
+                              "and \"rmcert\" before adding a new one with the "
+                              "same serial number %ld\n",
+                              rangeFrom + i);
+            goto loser;
+        }
+
+        entry->serialNumber.type = siBuffer;
+
+        entry->revocationDate.type = siGeneralizedTime;
+
+        entry->revocationDate.data =
+            PORT_ArenaAlloc(arena, timeValLength);
+        if (entry->revocationDate.data == NULL) {
+            goto loser;
+        }
+
+        PORT_Memcpy(entry->revocationDate.data, revocationDate,
+                    timeValLength * sizeof(char));
+        entry->revocationDate.len = timeValLength;
+
+        entry->extensions = NULL;
+        if (!crlgen_PlaceAnEntry(crlGenData, entry, certIdItem)) {
+            goto loser;
+        }
+        mark = NULL;
+    }
+
+    rv = SECSuccess;
+loser:
+    if (mark) {
+        PORT_ArenaRelease(arena, mark);
+    }
+    return rv;
+}
+
+/* Removes certs from entryDataHashTable which have certId serial number.
+ * certId can have value of a range of certs */
+static SECStatus
+crlgen_RmCert(CRLGENGeneratorData *crlGenData, char *certId)
+{
+    PRUint64 i = 0;
+
+    PORT_Assert(crlGenData && certId);
+    if (!crlGenData || !certId) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    if (crlgen_SetNewRangeField(crlGenData, certId) == SECFailure &&
+        certId) {
+        return SECFailure;
+    }
+
+    for (i = 0; i < crlGenData->rangeTo - crlGenData->rangeFrom + 1; i++) {
+        SECItem *certIdItem = SEC_ASN1EncodeInteger(NULL, NULL,
+                                                    crlGenData->rangeFrom + i);
+        if (certIdItem) {
+            CRLGENEntryData *extData =
+                crlgen_FindEntry(crlGenData, certIdItem);
+            if (!extData) {
+                printf("Cert with id %s is not in the list\n", certId);
+            } else {
+                crlgen_RmEntry(crlGenData, certIdItem);
+            }
+            SECITEM_FreeItem(certIdItem, PR_TRUE);
+        }
+    }
+
+    return SECSuccess;
+}
+
+/*************************************************************************
+ * Lex Parser Helper functions are used to store parsed information
+ * in context related structures. Context(or state) is identified base on
+ * a type of a instruction parser currently is going through. New context
+ * is identified by first token in a line. It can be addcert context,
+ * addext context, etc. */
+
+/* Updates CRL field depending on current context */
+static SECStatus
+crlgen_updateCrlFn_field(CRLGENGeneratorData *crlGenData, void *str)
+{
+    CRLGENCrlField *fieldStr = (CRLGENCrlField *)str;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (crlGenData->contextId) {
+        case CRLGEN_ISSUER_CONTEXT:
+            crlgen_SetIssuerField(crlGenData, fieldStr->value);
+            break;
+        case CRLGEN_UPDATE_CONTEXT:
+            return crlgen_SetTimeField(crlGenData, fieldStr->value, PR_TRUE);
+            break;
+        case CRLGEN_NEXT_UPDATE_CONTEXT:
+            return crlgen_SetTimeField(crlGenData, fieldStr->value, PR_FALSE);
+            break;
+        case CRLGEN_CHANGE_RANGE_CONTEXT:
+            return crlgen_SetNewRangeField(crlGenData, fieldStr->value);
+            break;
+        default:
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "syntax error (unknow token type: %d)\n",
+                              crlGenData->contextId);
+            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+            return SECFailure;
+    }
+    return SECSuccess;
+}
+
+/* Sets parsed data for CRL field update into temporary structure */
+static SECStatus
+crlgen_setNextDataFn_field(CRLGENGeneratorData *crlGenData, void *str,
+                           void *data, unsigned short dtype)
+{
+    CRLGENCrlField *fieldStr = (CRLGENCrlField *)str;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (crlGenData->contextId) {
+        case CRLGEN_CHANGE_RANGE_CONTEXT:
+            if (dtype != CRLGEN_TYPE_DIGIT && dtype != CRLGEN_TYPE_DIGIT_RANGE) {
+                crlgen_PrintError(crlGenData->parsedLineNum,
+                                  "range value should have "
+                                  "numeric or numeric range values.\n");
+                return SECFailure;
+            }
+            break;
+        case CRLGEN_NEXT_UPDATE_CONTEXT:
+        case CRLGEN_UPDATE_CONTEXT:
+            if (dtype != CRLGEN_TYPE_ZDATE) {
+                crlgen_PrintError(crlGenData->parsedLineNum,
+                                  "bad formated date. Should be "
+                                  "YYYYMMDDHHMMSSZ.\n");
+                return SECFailure;
+            }
+            break;
+        default:
+            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "syntax error (unknow token type: %d).\n",
+                              crlGenData->contextId, data);
+            return SECFailure;
+    }
+    fieldStr->value = PORT_Strdup(data);
+    if (!fieldStr->value) {
+        return SECFailure;
+    }
+    return SECSuccess;
+}
+
+/* Triggers cert entries update depending on current context */
+static SECStatus
+crlgen_updateCrlFn_cert(CRLGENGeneratorData *crlGenData, void *str)
+{
+    CRLGENCertEntry *certStr = (CRLGENCertEntry *)str;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (crlGenData->contextId) {
+        case CRLGEN_ADD_CERT_CONTEXT:
+            return crlgen_AddCert(crlGenData, certStr->certId,
+                                  certStr->revocationTime);
+        case CRLGEN_RM_CERT_CONTEXT:
+            return crlgen_RmCert(crlGenData, certStr->certId);
+        default:
+            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "syntax error (unknow token type: %d).\n",
+                              crlGenData->contextId);
+            return SECFailure;
+    }
+}
+
+/* Sets parsed data for CRL entries update into temporary structure */
+static SECStatus
+crlgen_setNextDataFn_cert(CRLGENGeneratorData *crlGenData, void *str,
+                          void *data, unsigned short dtype)
+{
+    CRLGENCertEntry *certStr = (CRLGENCertEntry *)str;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (dtype) {
+        case CRLGEN_TYPE_DIGIT:
+        case CRLGEN_TYPE_DIGIT_RANGE:
+            certStr->certId = PORT_Strdup(data);
+            if (!certStr->certId) {
+                return SECFailure;
+            }
+            break;
+        case CRLGEN_TYPE_DATE:
+        case CRLGEN_TYPE_ZDATE:
+            certStr->revocationTime = PORT_Strdup(data);
+            if (!certStr->revocationTime) {
+                return SECFailure;
+            }
+            break;
+        default:
+            PORT_SetError(SEC_ERROR_INVALID_ARGS);
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "syntax error (unknow token type: %d).\n",
+                              crlGenData->contextId);
+            return SECFailure;
+    }
+    return SECSuccess;
+}
+
+/* Triggers cert entries/crl extension update */
+static SECStatus
+crlgen_updateCrlFn_extension(CRLGENGeneratorData *crlGenData, void *str)
+{
+    CRLGENExtensionEntry *extStr = (CRLGENExtensionEntry *)str;
+
+    return crlgen_AddExtension(crlGenData, (const char **)extStr->extData);
+}
+
+/* Defines maximum number of fields extension may have */
+#define MAX_EXT_DATA_LENGTH 10
+
+/* Sets parsed extension data for CRL entries/CRL extensions update
+ * into temporary structure */
+static SECStatus
+crlgen_setNextDataFn_extension(CRLGENGeneratorData *crlGenData, void *str,
+                               void *data, unsigned short dtype)
+{
+    CRLGENExtensionEntry *extStr = (CRLGENExtensionEntry *)str;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    if (extStr->extData == NULL) {
+        extStr->extData = PORT_ZNewArray(char *, MAX_EXT_DATA_LENGTH);
+        if (!extStr->extData) {
+            return SECFailure;
+        }
+    }
+    if (extStr->nextUpdatedData >= MAX_EXT_DATA_LENGTH) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        crlgen_PrintError(crlGenData->parsedLineNum,
+                          "number of fields in extension "
+                          "exceeded maximum allowed data length: %d.\n",
+                          MAX_EXT_DATA_LENGTH);
+        return SECFailure;
+    }
+    extStr->extData[extStr->nextUpdatedData] = PORT_Strdup(data);
+    if (!extStr->extData[extStr->nextUpdatedData]) {
+        return SECFailure;
+    }
+    extStr->nextUpdatedData += 1;
+
+    return SECSuccess;
+}
+
+/****************************************************************************************
+ * Top level functions are triggered directly by parser.
+ */
+
+/*
+ * crl generation script parser recreates a temporary data staructure
+ * for each line it is going through. This function cleans temp structure.
+ */
+void
+crlgen_destroyTempData(CRLGENGeneratorData *crlGenData)
+{
+    if (crlGenData->contextId != CRLGEN_UNKNOWN_CONTEXT) {
+        switch (crlGenData->contextId) {
+            case CRLGEN_ISSUER_CONTEXT:
+            case CRLGEN_UPDATE_CONTEXT:
+            case CRLGEN_NEXT_UPDATE_CONTEXT:
+            case CRLGEN_CHANGE_RANGE_CONTEXT:
+                if (crlGenData->crlField->value)
+                    PORT_Free(crlGenData->crlField->value);
+                PORT_Free(crlGenData->crlField);
+                break;
+            case CRLGEN_ADD_CERT_CONTEXT:
+            case CRLGEN_RM_CERT_CONTEXT:
+                if (crlGenData->certEntry->certId)
+                    PORT_Free(crlGenData->certEntry->certId);
+                if (crlGenData->certEntry->revocationTime)
+                    PORT_Free(crlGenData->certEntry->revocationTime);
+                PORT_Free(crlGenData->certEntry);
+                break;
+            case CRLGEN_ADD_EXTENSION_CONTEXT:
+                if (crlGenData->extensionEntry->extData) {
+                    int i = 0;
+                    for (; i < crlGenData->extensionEntry->nextUpdatedData; i++)
+                        PORT_Free(*(crlGenData->extensionEntry->extData + i));
+                    PORT_Free(crlGenData->extensionEntry->extData);
+                }
+                PORT_Free(crlGenData->extensionEntry);
+                break;
+        }
+        crlGenData->contextId = CRLGEN_UNKNOWN_CONTEXT;
+    }
+}
+
+SECStatus
+crlgen_updateCrl(CRLGENGeneratorData *crlGenData)
+{
+    SECStatus rv = SECSuccess;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (crlGenData->contextId) {
+        case CRLGEN_ISSUER_CONTEXT:
+        case CRLGEN_UPDATE_CONTEXT:
+        case CRLGEN_NEXT_UPDATE_CONTEXT:
+        case CRLGEN_CHANGE_RANGE_CONTEXT:
+            rv = crlGenData->crlField->updateCrlFn(crlGenData, crlGenData->crlField);
+            break;
+        case CRLGEN_RM_CERT_CONTEXT:
+        case CRLGEN_ADD_CERT_CONTEXT:
+            rv = crlGenData->certEntry->updateCrlFn(crlGenData, crlGenData->certEntry);
+            break;
+        case CRLGEN_ADD_EXTENSION_CONTEXT:
+            rv = crlGenData->extensionEntry->updateCrlFn(crlGenData, crlGenData->extensionEntry);
+            break;
+        case CRLGEN_UNKNOWN_CONTEXT:
+            break;
+        default:
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "unknown lang context type code: %d.\n",
+                              crlGenData->contextId);
+            PORT_Assert(0);
+            return SECFailure;
+    }
+    /* Clrean structures after crl update */
+    crlgen_destroyTempData(crlGenData);
+
+    crlGenData->parsedLineNum += 1;
+
+    return rv;
+}
+
+SECStatus
+crlgen_setNextData(CRLGENGeneratorData *crlGenData, void *data,
+                   unsigned short dtype)
+{
+    SECStatus rv = SECSuccess;
+
+    PORT_Assert(crlGenData);
+    if (!crlGenData) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (crlGenData->contextId) {
+        case CRLGEN_ISSUER_CONTEXT:
+        case CRLGEN_UPDATE_CONTEXT:
+        case CRLGEN_NEXT_UPDATE_CONTEXT:
+        case CRLGEN_CHANGE_RANGE_CONTEXT:
+            rv = crlGenData->crlField->setNextDataFn(crlGenData, crlGenData->crlField,
+                                                     data, dtype);
+            break;
+        case CRLGEN_ADD_CERT_CONTEXT:
+        case CRLGEN_RM_CERT_CONTEXT:
+            rv = crlGenData->certEntry->setNextDataFn(crlGenData, crlGenData->certEntry,
+                                                      data, dtype);
+            break;
+        case CRLGEN_ADD_EXTENSION_CONTEXT:
+            rv =
+                crlGenData->extensionEntry->setNextDataFn(crlGenData, crlGenData->extensionEntry, data, dtype);
+            break;
+        case CRLGEN_UNKNOWN_CONTEXT:
+            break;
+        default:
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "unknown context type: %d.\n",
+                              crlGenData->contextId);
+            PORT_Assert(0);
+            return SECFailure;
+    }
+    return rv;
+}
+
+SECStatus
+crlgen_createNewLangStruct(CRLGENGeneratorData *crlGenData,
+                           unsigned structType)
+{
+    PORT_Assert(crlGenData &&
+                crlGenData->contextId == CRLGEN_UNKNOWN_CONTEXT);
+    if (!crlGenData ||
+        crlGenData->contextId != CRLGEN_UNKNOWN_CONTEXT) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+
+    switch (structType) {
+        case CRLGEN_ISSUER_CONTEXT:
+        case CRLGEN_UPDATE_CONTEXT:
+        case CRLGEN_NEXT_UPDATE_CONTEXT:
+        case CRLGEN_CHANGE_RANGE_CONTEXT:
+            crlGenData->crlField = PORT_New(CRLGENCrlField);
+            if (!crlGenData->crlField) {
+                return SECFailure;
+            }
+            crlGenData->contextId = structType;
+            crlGenData->crlField->value = NULL;
+            crlGenData->crlField->updateCrlFn = &crlgen_updateCrlFn_field;
+            crlGenData->crlField->setNextDataFn = &crlgen_setNextDataFn_field;
+            break;
+        case CRLGEN_RM_CERT_CONTEXT:
+        case CRLGEN_ADD_CERT_CONTEXT:
+            crlGenData->certEntry = PORT_New(CRLGENCertEntry);
+            if (!crlGenData->certEntry) {
+                return SECFailure;
+            }
+            crlGenData->contextId = structType;
+            crlGenData->certEntry->certId = 0;
+            crlGenData->certEntry->revocationTime = NULL;
+            crlGenData->certEntry->updateCrlFn = &crlgen_updateCrlFn_cert;
+            crlGenData->certEntry->setNextDataFn = &crlgen_setNextDataFn_cert;
+            break;
+        case CRLGEN_ADD_EXTENSION_CONTEXT:
+            crlGenData->extensionEntry = PORT_New(CRLGENExtensionEntry);
+            if (!crlGenData->extensionEntry) {
+                return SECFailure;
+            }
+            crlGenData->contextId = structType;
+            crlGenData->extensionEntry->extData = NULL;
+            crlGenData->extensionEntry->nextUpdatedData = 0;
+            crlGenData->extensionEntry->updateCrlFn =
+                &crlgen_updateCrlFn_extension;
+            crlGenData->extensionEntry->setNextDataFn =
+                &crlgen_setNextDataFn_extension;
+            break;
+        case CRLGEN_UNKNOWN_CONTEXT:
+            break;
+        default:
+            crlgen_PrintError(crlGenData->parsedLineNum,
+                              "unknown context type: %d.\n", structType);
+            PORT_Assert(0);
+            return SECFailure;
+    }
+    return SECSuccess;
+}
+
+/* Parser initialization function */
+CRLGENGeneratorData *
+CRLGEN_InitCrlGeneration(CERTSignedCrl *signCrl, PRFileDesc *src)
+{
+    CRLGENGeneratorData *crlGenData = NULL;
+
+    PORT_Assert(signCrl && src);
+    if (!signCrl || !src) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    crlGenData = PORT_ZNew(CRLGENGeneratorData);
+    if (!crlGenData) {
+        return NULL;
+    }
+
+    crlGenData->entryDataHashTable =
+        PL_NewHashTable(0, SECITEM_Hash, SECITEM_HashCompare,
+                        PL_CompareValues, NULL, NULL);
+    if (!crlGenData->entryDataHashTable) {
+        PORT_Free(crlGenData);
+        return NULL;
+    }
+
+    crlGenData->src = src;
+    crlGenData->parsedLineNum = 1;
+    crlGenData->contextId = CRLGEN_UNKNOWN_CONTEXT;
+    crlGenData->signCrl = signCrl;
+    crlGenData->rangeFrom = 0;
+    crlGenData->rangeTo = 0;
+    crlGenData->crlExtHandle = NULL;
+
+    PORT_SetError(0);
+
+    return crlGenData;
+}
+
+void
+CRLGEN_FinalizeCrlGeneration(CRLGENGeneratorData *crlGenData)
+{
+    if (!crlGenData)
+        return;
+    if (crlGenData->src)
+        PR_Close(crlGenData->src);
+    PL_HashTableDestroy(crlGenData->entryDataHashTable);
+    PORT_Free(crlGenData);
+}