Delete bundled copy of NSS and replace with README.

nss/lib/ckfw/builtins/bfind.c

Index: nss/lib/ckfw/builtins/bfind.c
diff --git a/nss/lib/ckfw/builtins/bfind.c b/nss/lib/ckfw/builtins/bfind.c
deleted file mode 100644
index 3e5da1a558382942ebe08940e4f1f9477ea45850..0000000000000000000000000000000000000000
--- a/nss/lib/ckfw/builtins/bfind.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/* 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/. */
-
-#ifndef BUILTINS_H
-#include "builtins.h"
-#endif /* BUILTINS_H */
-
-/*
- * builtins/find.c
- *
- * This file implements the NSSCKMDFindObjects object for the
- * "builtin objects" cryptoki module.
- */
-
-struct builtinsFOStr {
-    NSSArena *arena;
-    CK_ULONG n;
-    CK_ULONG i;
-    builtinsInternalObject **objs;
-};
-
-static void
-builtins_mdFindObjects_Final(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance)
-{
-    struct builtinsFOStr *fo = (struct builtinsFOStr *)mdFindObjects->etc;
-    NSSArena *arena = fo->arena;
-
-    nss_ZFreeIf(fo->objs);
-    nss_ZFreeIf(fo);
-    nss_ZFreeIf(mdFindObjects);
-    if ((NSSArena *)NULL != arena) {
-        NSSArena_Destroy(arena);
-    }
-
-    return;
-}
-
-static NSSCKMDObject *
-builtins_mdFindObjects_Next(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    NSSArena *arena,
-    CK_RV *pError)
-{
-    struct builtinsFOStr *fo = (struct builtinsFOStr *)mdFindObjects->etc;
-    builtinsInternalObject *io;
-
-    if (fo->i == fo->n) {
-        *pError = CKR_OK;
-        return (NSSCKMDObject *)NULL;
-    }
-
-    io = fo->objs[fo->i];
-    fo->i++;
-
-    return nss_builtins_CreateMDObject(arena, io, pError);
-}
-
-static int
-builtins_derUnwrapInt(unsigned char *src, int size, unsigned char **dest)
-{
-    unsigned char *start = src;
-    int len = 0;
-
-    if (*src++ != 2) {
-        return 0;
-    }
-    len = *src++;
-    if (len & 0x80) {
-        int count = len & 0x7f;
-        len = 0;
-
-        if (count + 2 > size) {
-            return 0;
-        }
-        while (count-- > 0) {
-            len = (len << 8) | *src++;
-        }
-    }
-    if (len + (src - start) != size) {
-        return 0;
-    }
-    *dest = src;
-    return len;
-}
-
-static CK_BBOOL
-builtins_attrmatch(
-    CK_ATTRIBUTE_PTR a,
-    const NSSItem *b)
-{
-    PRBool prb;
-
-    if (a->ulValueLen != b->size) {
-        /* match a decoded serial number */
-        if ((a->type == CKA_SERIAL_NUMBER) && (a->ulValueLen < b->size)) {
-            int len;
-            unsigned char *data = NULL;
-
-            len = builtins_derUnwrapInt(b->data, b->size, &data);
-            if (data &&
-                (len == a->ulValueLen) &&
-                nsslibc_memequal(a->pValue, data, len, (PRStatus *)NULL)) {
-                return CK_TRUE;
-            }
-        }
-        return CK_FALSE;
-    }
-
-    prb = nsslibc_memequal(a->pValue, b->data, b->size, (PRStatus *)NULL);
-
-    if (PR_TRUE == prb) {
-        return CK_TRUE;
-    } else {
-        return CK_FALSE;
-    }
-}
-
-static CK_BBOOL
-builtins_match(
-    CK_ATTRIBUTE_PTR pTemplate,
-    CK_ULONG ulAttributeCount,
-    builtinsInternalObject *o)
-{
-    CK_ULONG i;
-
-    for (i = 0; i < ulAttributeCount; i++) {
-        CK_ULONG j;
-
-        for (j = 0; j < o->n; j++) {
-            if (o->types[j] == pTemplate[i].type) {
-                if (CK_FALSE == builtins_attrmatch(&pTemplate[i], &o->items[j])) {
-                    return CK_FALSE;
-                } else {
-                    break;
-                }
-            }
-        }
-
-        if (j == o->n) {
-            /* Loop ran to the end: no matching attribute */
-            return CK_FALSE;
-        }
-    }
-
-    /* Every attribute passed */
-    return CK_TRUE;
-}
-
-NSS_IMPLEMENT NSSCKMDFindObjects *
-nss_builtins_FindObjectsInit(
-    NSSCKFWSession *fwSession,
-    CK_ATTRIBUTE_PTR pTemplate,
-    CK_ULONG ulAttributeCount,
-    CK_RV *pError)
-{
-    /* This could be made more efficient.  I'm rather rushed. */
-    NSSArena *arena;
-    NSSCKMDFindObjects *rv = (NSSCKMDFindObjects *)NULL;
-    struct builtinsFOStr *fo = (struct builtinsFOStr *)NULL;
-
-/*
-   * 99% of the time we get 0 or 1 matches. So we start with a small
-   * stack-allocated array to hold the matches and switch to a heap-allocated
-   * array later if the number of matches exceeds STACK_BUF_LENGTH.
-   */
-#define STACK_BUF_LENGTH 1
-    builtinsInternalObject *stackTemp[STACK_BUF_LENGTH];
-    builtinsInternalObject **temp = stackTemp;
-    PRBool tempIsHeapAllocated = PR_FALSE;
-    PRUint32 i;
-
-    arena = NSSArena_Create();
-    if ((NSSArena *)NULL == arena) {
-        goto loser;
-    }
-
-    rv = nss_ZNEW(arena, NSSCKMDFindObjects);
-    if ((NSSCKMDFindObjects *)NULL == rv) {
-        *pError = CKR_HOST_MEMORY;
-        goto loser;
-    }
-
-    fo = nss_ZNEW(arena, struct builtinsFOStr);
-    if ((struct builtinsFOStr *)NULL == fo) {
-        *pError = CKR_HOST_MEMORY;
-        goto loser;
-    }
-
-    fo->arena = arena;
-    /* fo->n and fo->i are already zero */
-
-    rv->etc = (void *)fo;
-    rv->Final = builtins_mdFindObjects_Final;
-    rv->Next = builtins_mdFindObjects_Next;
-    rv->null = (void *)NULL;
-
-    for (i = 0; i < nss_builtins_nObjects; i++) {
-        builtinsInternalObject *o = (builtinsInternalObject *)&nss_builtins_data[i];
-
-        if (CK_TRUE == builtins_match(pTemplate, ulAttributeCount, o)) {
-            if (fo->n == STACK_BUF_LENGTH) {
-                /* Switch from the small stack array to a heap-allocated array large
-         * enough to handle matches in all remaining cases. */
-                temp = nss_ZNEWARRAY((NSSArena *)NULL, builtinsInternalObject *,
-                                     fo->n + nss_builtins_nObjects - i);
-                if ((builtinsInternalObject **)NULL == temp) {
-                    *pError =
-                        CKR_HOST_MEMORY;
-                    goto loser;
-                }
-                tempIsHeapAllocated = PR_TRUE;
-                (void)nsslibc_memcpy(temp, stackTemp,
-                                     sizeof(builtinsInternalObject *) * fo->n);
-            }
-
-            temp[fo->n] = o;
-            fo->n++;
-        }
-    }
-
-    fo->objs = nss_ZNEWARRAY(arena, builtinsInternalObject *, fo->n);
-    if ((builtinsInternalObject **)NULL == fo->objs) {
-        *pError = CKR_HOST_MEMORY;
-        goto loser;
-    }
-
-    (void)nsslibc_memcpy(fo->objs, temp, sizeof(builtinsInternalObject *) * fo->n);
-    if (tempIsHeapAllocated) {
-        nss_ZFreeIf(temp);
-        temp = (builtinsInternalObject **)NULL;
-    }
-
-    return rv;
-
-loser:
-    if (tempIsHeapAllocated) {
-        nss_ZFreeIf(temp);
-    }
-    nss_ZFreeIf(fo);
-    nss_ZFreeIf(rv);
-    if ((NSSArena *)NULL != arena) {
-        NSSArena_Destroy(arena);
-    }
-    return (NSSCKMDFindObjects *)NULL;
-}