Initial NSS Open Source checkin

1 files changed, 408 insertions, 0 deletions

diff --git a/security/nss/lib/ckfw/find.c b/security/nss/lib/ckfw/find.c
new file mode 100644
index 000000000..434e0a162
--- /dev/null
+++ b/security/nss/lib/ckfw/find.c
@@ -0,0 +1,408 @@
+/* 
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Netscape security libraries.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s):
+ * 
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License Version 2 or later (the
+ * "GPL"), in which case the provisions of the GPL are applicable 
+ * instead of those above.  If you wish to allow use of your 
+ * version of this file only under the terms of the GPL and not to
+ * allow others to use your version of this file under the MPL,
+ * indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by
+ * the GPL.  If you do not delete the provisions above, a recipient
+ * may use your version of this file under either the MPL or the
+ * GPL.
+ */
+
+#ifdef DEBUG
+static const char CVS_ID[] = "@(#) $RCSfile$ $Revision$ $Date$ $Name$";
+#endif /* DEBUG */
+
+/*
+ * find.c
+ *
+ * This file implements the nssCKFWFindObjects type and methods.
+ */
+
+#ifndef CK_H
+#include "ck.h"
+#endif /* CK_H */
+
+/*
+ * NSSCKFWFindObjects
+ *
+ *  -- create/destroy --
+ *  nssCKFWFindObjects_Create
+ *  nssCKFWFindObjects_Destroy
+ *
+ *  -- public accessors --
+ *  NSSCKFWFindObjects_GetMDFindObjects
+ * 
+ *  -- implement public accessors --
+ *  nssCKFWFindObjects_GetMDFindObjects
+ *
+ *  -- private accessors --
+ *
+ *  -- module fronts --
+ *  nssCKFWFindObjects_Next
+ */
+
+struct NSSCKFWFindObjectsStr {
+  NSSCKFWMutex *mutex; /* merely to serialise the MDObject calls */
+  NSSCKMDFindObjects *mdfo1;
+  NSSCKMDFindObjects *mdfo2;
+  NSSCKFWSession *fwSession;
+  NSSCKMDSession *mdSession;
+  NSSCKFWToken *fwToken;
+  NSSCKMDToken *mdToken;
+  NSSCKFWInstance *fwInstance;
+  NSSCKMDInstance *mdInstance;
+
+  NSSCKMDFindObjects *mdFindObjects; /* varies */
+};
+
+#ifdef DEBUG
+/*
+ * But first, the pointer-tracking stuff.
+ *
+ * NOTE: the pointer-tracking support in NSS/base currently relies
+ * upon NSPR's CallOnce support.  That, however, relies upon NSPR's
+ * locking, which is tied into the runtime.  We need a pointer-tracker
+ * implementation that uses the locks supplied through C_Initialize.
+ * That support, however, can be filled in later.  So for now, I'll
+ * just do these routines as no-ops.
+ */
+
+static CK_RV
+findObjects_add_pointer
+(
+  const NSSCKFWFindObjects *fwFindObjects
+)
+{
+  return CKR_OK;
+}
+
+static CK_RV
+findObjects_remove_pointer
+(
+  const NSSCKFWFindObjects *fwFindObjects
+)
+{
+  return CKR_OK;
+}
+
+NSS_IMPLEMENT CK_RV
+nssCKFWFindObjects_verifyPointer
+(
+  const NSSCKFWFindObjects *fwFindObjects
+)
+{
+  return CKR_OK;
+}
+
+#endif /* DEBUG */
+
+/*
+ * nssCKFWFindObjects_Create
+ *
+ */
+NSS_EXTERN NSSCKFWFindObjects *
+nssCKFWFindObjects_Create
+(
+  NSSCKFWSession *fwSession,
+  NSSCKFWToken *fwToken,
+  NSSCKFWInstance *fwInstance,
+  NSSCKMDFindObjects *mdFindObjects1,
+  NSSCKMDFindObjects *mdFindObjects2,
+  CK_RV *pError
+)
+{
+  NSSCKFWFindObjects *fwFindObjects;
+  NSSArena *arena;
+  NSSCKMDSession *mdSession;
+  NSSCKMDToken *mdToken;
+  NSSCKMDInstance *mdInstance;
+
+  mdSession = nssCKFWSession_GetMDSession(fwSession);
+  mdToken = nssCKFWToken_GetMDToken(fwToken);
+  mdInstance = nssCKFWInstance_GetMDInstance(fwInstance);
+
+  arena = nssCKFWSession_GetArena(fwSession, pError);
+  if( (NSSArena *)NULL == arena ) {
+    goto loser;
+  }
+
+  fwFindObjects = nss_ZNEW(arena, NSSCKFWFindObjects);
+  if( (NSSCKFWFindObjects *)NULL == fwFindObjects ) {
+    *pError = CKR_HOST_MEMORY;
+    goto loser;
+  }
+
+  fwFindObjects->mdfo1 = mdFindObjects1;
+  fwFindObjects->mdfo2 = mdFindObjects2;
+  fwFindObjects->fwSession = fwSession;
+  fwFindObjects->mdSession = mdSession;
+  fwFindObjects->fwToken = fwToken;
+  fwFindObjects->mdToken = mdToken;
+  fwFindObjects->fwInstance = fwInstance;
+  fwFindObjects->mdInstance = mdInstance;
+
+  fwFindObjects->mutex = nssCKFWInstance_CreateMutex(fwInstance, arena, pError);
+  if( (NSSCKFWMutex *)NULL == fwFindObjects->mutex ) {
+    goto loser;
+  }
+
+#ifdef DEBUG
+  *pError = findObjects_add_pointer(fwFindObjects);
+  if( CKR_OK != *pError ) {
+    goto loser;
+  }
+#endif /* DEBUG */
+
+  return fwFindObjects;
+
+ loser:
+  nss_ZFreeIf(fwFindObjects);
+
+  if( (NSSCKMDFindObjects *)NULL != mdFindObjects1 ) {
+    if( (void *)NULL != (void *)mdFindObjects1->Final ) {
+      fwFindObjects->mdFindObjects = mdFindObjects1;
+      mdFindObjects1->Final(mdFindObjects1, fwFindObjects, mdSession, 
+        fwSession, mdToken, fwToken, mdInstance, fwInstance);
+    }
+  }
+
+  if( (NSSCKMDFindObjects *)NULL != mdFindObjects2 ) {
+    if( (void *)NULL != (void *)mdFindObjects2->Final ) {
+      fwFindObjects->mdFindObjects = mdFindObjects2;
+      mdFindObjects2->Final(mdFindObjects2, fwFindObjects, mdSession, 
+        fwSession, mdToken, fwToken, mdInstance, fwInstance);
+    }
+  }
+
+  if( CKR_OK == *pError ) {
+    *pError = CKR_GENERAL_ERROR;
+  }
+
+  return (NSSCKFWFindObjects *)NULL;
+}
+
+
+/*
+ * nssCKFWFindObjects_Destroy
+ *
+ */
+NSS_EXTERN void
+nssCKFWFindObjects_Destroy
+(
+  NSSCKFWFindObjects *fwFindObjects
+)
+{
+#ifdef NSSDEBUG
+  if( CKR_OK != nssCKFWFindObjects_verifyPointer(fwFindObjects) ) {
+    return;
+  }
+#endif /* NSSDEBUG */
+
+  (void)nssCKFWMutex_Destroy(fwFindObjects->mutex);
+
+  if( (NSSCKMDFindObjects *)NULL != fwFindObjects->mdfo1 ) {
+    if( (void *)NULL != (void *)fwFindObjects->mdfo1->Final ) {
+      fwFindObjects->mdFindObjects = fwFindObjects->mdfo1;
+      fwFindObjects->mdfo1->Final(fwFindObjects->mdfo1, fwFindObjects,
+        fwFindObjects->mdSession, fwFindObjects->fwSession, 
+        fwFindObjects->mdToken, fwFindObjects->fwToken,
+        fwFindObjects->mdInstance, fwFindObjects->fwInstance);
+    }
+  }
+
+  if( (NSSCKMDFindObjects *)NULL != fwFindObjects->mdfo2 ) {
+    if( (void *)NULL != (void *)fwFindObjects->mdfo2->Final ) {
+      fwFindObjects->mdFindObjects = fwFindObjects->mdfo2;
+      fwFindObjects->mdfo2->Final(fwFindObjects->mdfo2, fwFindObjects,
+        fwFindObjects->mdSession, fwFindObjects->fwSession, 
+        fwFindObjects->mdToken, fwFindObjects->fwToken,
+        fwFindObjects->mdInstance, fwFindObjects->fwInstance);
+    }
+  }
+
+  nss_ZFreeIf(fwFindObjects);
+
+#ifdef DEBUG
+  (void)findObjects_remove_pointer(fwFindObjects);
+#endif /* DEBUG */
+
+  return;
+}
+
+/*
+ * nssCKFWFindObjects_GetMDFindObjects
+ *
+ */
+NSS_EXTERN NSSCKMDFindObjects *
+nssCKFWFindObjects_GetMDFindObjects
+(
+  NSSCKFWFindObjects *fwFindObjects
+)
+{
+#ifdef NSSDEBUG
+  if( CKR_OK != nssCKFWFindObjects_verifyPointer(fwFindObjects) ) {
+    return (NSSCKMDFindObjects *)NULL;
+  }
+#endif /* NSSDEBUG */
+
+  return fwFindObjects->mdFindObjects;
+}
+
+/*
+ * nssCKFWFindObjects_Next
+ *
+ */
+NSS_EXTERN NSSCKFWObject *
+nssCKFWFindObjects_Next
+(
+  NSSCKFWFindObjects *fwFindObjects,
+  NSSArena *arenaOpt,
+  CK_RV *pError
+)
+{
+  NSSCKMDObject *mdObject;
+  NSSCKFWObject *fwObject = (NSSCKFWObject *)NULL;
+  NSSArena *objArena;
+
+#ifdef NSSDEBUG
+  if( (CK_RV *)NULL == pError ) {
+    return (NSSCKFWObject *)NULL;
+  }
+
+  *pError = nssCKFWFindObjects_verifyPointer(fwFindObjects);
+  if( CKR_OK != *pError ) {
+    return (NSSCKFWObject *)NULL;
+  }
+#endif /* NSSDEBUG */
+
+  *pError = nssCKFWMutex_Lock(fwFindObjects->mutex);
+  if( CKR_OK != *pError ) {
+    return (NSSCKFWObject *)NULL;
+  }
+
+  if( (NSSCKMDFindObjects *)NULL != fwFindObjects->mdfo1 ) {
+    if( (void *)NULL != (void *)fwFindObjects->mdfo1->Next ) {
+      fwFindObjects->mdFindObjects = fwFindObjects->mdfo1;
+      mdObject = fwFindObjects->mdfo1->Next(fwFindObjects->mdfo1,
+        fwFindObjects, fwFindObjects->mdSession, fwFindObjects->fwSession,
+        fwFindObjects->mdToken, fwFindObjects->fwToken, 
+        fwFindObjects->mdInstance, fwFindObjects->fwInstance,
+        arenaOpt, pError);
+      if( (NSSCKMDObject *)NULL == mdObject ) {
+        if( CKR_OK != *pError ) {
+          goto done;
+        }
+
+        /* All done. */
+        fwFindObjects->mdfo1->Final(fwFindObjects->mdfo1, fwFindObjects,
+          fwFindObjects->mdSession, fwFindObjects->fwSession,
+          fwFindObjects->mdToken, fwFindObjects->fwToken, 
+          fwFindObjects->mdInstance, fwFindObjects->fwInstance);
+        fwFindObjects->mdfo1 = (NSSCKMDFindObjects *)NULL;
+      } else {
+        goto wrap;
+      }
+    }
+  }
+
+  if( (NSSCKMDFindObjects *)NULL != fwFindObjects->mdfo2 ) {
+    if( (void *)NULL != (void *)fwFindObjects->mdfo2->Next ) {
+      fwFindObjects->mdFindObjects = fwFindObjects->mdfo2;
+      mdObject = fwFindObjects->mdfo2->Next(fwFindObjects->mdfo2,
+        fwFindObjects, fwFindObjects->mdSession, fwFindObjects->fwSession,
+        fwFindObjects->mdToken, fwFindObjects->fwToken, 
+        fwFindObjects->mdInstance, fwFindObjects->fwInstance,
+        arenaOpt, pError);
+      if( (NSSCKMDObject *)NULL == mdObject ) {
+        if( CKR_OK != *pError ) {
+          goto done;
+        }
+
+        /* All done. */
+        fwFindObjects->mdfo2->Final(fwFindObjects->mdfo2, fwFindObjects,
+          fwFindObjects->mdSession, fwFindObjects->fwSession,
+          fwFindObjects->mdToken, fwFindObjects->fwToken, 
+          fwFindObjects->mdInstance, fwFindObjects->fwInstance);
+        fwFindObjects->mdfo2 = (NSSCKMDFindObjects *)NULL;
+      } else {
+        goto wrap;
+      }
+    }
+  }
+  
+  /* No more objects */
+  *pError = CKR_OK;
+  goto done;
+
+ wrap:
+  /*
+   * This is less than ideal-- we should determine if it's a token
+   * object or a session object, and use the appropriate arena.
+   * But that duplicates logic in nssCKFWObject_IsTokenObject.
+   * Worry about that later.  For now, be conservative, and use
+   * the token arena.
+   */
+  objArena = nssCKFWToken_GetArena(fwFindObjects->fwToken, pError);
+  if( (NSSArena *)NULL == objArena ) {
+    if( CKR_OK == *pError ) {
+      *pError = CKR_HOST_MEMORY;
+    }
+    goto done;
+  }
+
+  fwObject = nssCKFWObject_Create(objArena, mdObject,
+               fwFindObjects->fwSession, fwFindObjects->fwToken, 
+               fwFindObjects->fwInstance, pError);
+  if( (NSSCKFWObject *)NULL == fwObject ) {
+    if( CKR_OK == *pError ) {
+      *pError = CKR_GENERAL_ERROR;
+    }
+  }
+
+ done:
+  (void)nssCKFWMutex_Unlock(fwFindObjects->mutex);
+  return fwObject;
+}
+
+/*
+ * NSSCKFWFindObjects_GetMDFindObjects
+ *
+ */
+
+NSS_EXTERN NSSCKMDFindObjects *
+NSSCKFWFindObjects_GetMDFindObjects
+(
+  NSSCKFWFindObjects *fwFindObjects
+)
+{
+#ifdef DEBUG
+  if( CKR_OK != nssCKFWFindObjects_verifyPointer(fwFindObjects) ) {
+    return (NSSCKMDFindObjects *)NULL;
+  }
+#endif /* DEBUG */
+
+  return nssCKFWFindObjects_GetMDFindObjects(fwFindObjects);
+}