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PEM module fixes to implement memory management for internal objects and

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fix crash when processing malformed key files : bz #509705, #51209
This commit is contained in:
Elio Maldonado 2009-09-06 20:39:23 +00:00
parent 4f6e1c66fc
commit 1f48a6ef4d
2 changed files with 876 additions and 2 deletions
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869
nss-pem-509705.patch Normal file
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@ -0,0 +1,869 @@
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/ckpem.h nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/ckpem.h
--- ./mozilla/security/nss/lib/ckfw/pem/ckpem.h 2009-06-22 14:47:20.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/ckpem.h 2009-09-06 12:00:25.121446590 -0700
@@ -101,6 +101,17 @@ typedef enum {
pemTrust
} pemObjectType;
+typedef struct pemInternalObjectStr pemInternalObject;
+typedef struct pemObjectListItemStr pemObjectListItem;
+
+/*
+ * singly-linked list of internal objects
+ */
+struct pemObjectListItemStr {
+ pemInternalObject *io;
+ pemObjectListItem *next;
+};
+
/*
* all the various types of objects are abstracted away in cobject and
* cfind as pemInternalObjects.
@@ -121,8 +132,16 @@ struct pemInternalObjectStr {
char *nickname;
NSSCKMDObject mdObject;
CK_SLOT_ID slotID;
+ CK_ULONG gobjIndex;
+ int refCount;
+
+ /* used by pem_mdFindObjects_Next */
+ CK_BBOOL extRef;
+
+ /* If list != NULL, the object contains no useful data except of the list
+ * of slave objects */
+ pemObjectListItem *list;
};
-typedef struct pemInternalObjectStr pemInternalObject;
struct pemTokenStr {
PRBool logged_in;
@@ -221,8 +240,9 @@ PRBool pem_ParseString(const char* input
PRBool pem_FreeParsedStrings(PRInt32 numStrings, char** instrings);
pemInternalObject *
-CreateObject(CK_OBJECT_CLASS objClass, pemObjectType type, SECItem *certDER,
- SECItem *keyDER, char *filename, int objid, CK_SLOT_ID slotID);
+AddObjectIfNeeded(CK_OBJECT_CLASS objClass, pemObjectType type,
+ SECItem *certDER, SECItem *keyDER, char *filename, int objid,
+ CK_SLOT_ID slotID);
void pem_DestroyInternalObject (pemInternalObject *io);
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/pfind.c nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/pfind.c
--- ./mozilla/security/nss/lib/ckfw/pem/pfind.c 2009-06-22 11:31:11.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/pfind.c 2009-09-06 12:00:46.459451657 -0700
@@ -131,6 +131,13 @@ pem_mdFindObjects_Next
plog("Creating object for type %d\n", io->type);
+ if (!io->extRef) {
+ /* increase reference count only once as ckfw will free the found
+ * object only once */
+ io->extRef = CK_TRUE;
+ io->refCount ++;
+ }
+
return pem_CreateMDObject(arena, io, pError);
}
@@ -313,8 +320,11 @@ collect_objects(CK_ATTRIBUTE_PTR pTempla
goto done; /* no other object types we understand in this module */
}
- /* find object */
+ /* find objects */
for (i = 0; i < pem_nobjs; i++) {
+ if (NULL == gobj[i])
+ continue;
+
plog(" %d type = %d\n", i, gobj[i]->type);
if ((type == gobj[i]->type)
&& (slotID == gobj[i]->slotID)
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/pinst.c nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/pinst.c
--- ./mozilla/security/nss/lib/ckfw/pem/pinst.c 2009-06-22 11:30:05.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/pinst.c 2009-09-06 12:02:49.674446636 -0700
@@ -56,24 +56,6 @@ PRInt32 count = 0;
#define PEM_ITEM_CHUNK 512
-#define PUT_Object(obj,err) \
- { \
- if (count >= size) { \
- gobj = gobj ? \
- nss_ZREALLOCARRAY(gobj, pemInternalObject *, \
- (size+PEM_ITEM_CHUNK) ) : \
- nss_ZNEWARRAY(NULL, pemInternalObject *, \
- (size+PEM_ITEM_CHUNK) ) ; \
- if ((pemInternalObject **)NULL == gobj) { \
- err = CKR_HOST_MEMORY; \
- goto loser; \
- } \
- size += PEM_ITEM_CHUNK; \
- } \
- (gobj)[ count ] = (obj); \
- count++; \
- }
-
/*
* simple cert decoder to avoid the cost of asn1 engine
*/
@@ -195,7 +177,7 @@ GetCertFields(unsigned char *cert, int c
return SECSuccess;
}
-pemInternalObject *
+static pemInternalObject *
CreateObject(CK_OBJECT_CLASS objClass,
pemObjectType type, SECItem * certDER,
SECItem * keyDER, char *filename,
@@ -286,6 +268,67 @@ CreateObject(CK_OBJECT_CLASS objClass,
return o;
}
+pemInternalObject *
+AddObjectIfNeeded(CK_OBJECT_CLASS objClass,
+ pemObjectType type, SECItem * certDER,
+ SECItem * keyDER, char *filename,
+ int objid, CK_SLOT_ID slotID)
+{
+ int i;
+
+ /* FIXME: copy-pasted from CreateObject */
+ const char *nickname = strrchr(filename, '/');
+ if (nickname)
+ nickname++;
+ else
+ nickname = filename;
+
+ /* first look for the object in gobj, it might be already there */
+ for (i = 0; i < pem_nobjs; i++) {
+ if (NULL == gobj[i])
+ continue;
+
+ if ((gobj[i]->objClass == objClass)
+ && (gobj[i]->type == type)
+ && (gobj[i]->slotID == slotID)
+#if 0
+ /* FIXME: is it safe to return object with different objid? */
+ && (atoi(gobj[i]->id.data) == objid)
+#endif
+ && (0 == strcmp(gobj[i]->nickname, nickname))) {
+
+ plog("AddObjectIfNeeded: re-using internal object #%i\n", i);
+ gobj[i]->refCount ++;
+ return gobj[i];
+ }
+ }
+
+ /* object not found, we need to create it */
+ pemInternalObject *io = CreateObject(objClass, type, certDER, keyDER,
+ filename, objid, slotID);
+
+ io->gobjIndex = count;
+
+ /* add object to global array */
+ if (count >= size) {
+ gobj = gobj ?
+ nss_ZREALLOCARRAY(gobj, pemInternalObject *,
+ (size+PEM_ITEM_CHUNK) ) :
+ nss_ZNEWARRAY(NULL, pemInternalObject *,
+ (size+PEM_ITEM_CHUNK) ) ;
+
+ if ((pemInternalObject **)NULL == gobj)
+ return NULL;
+ size += PEM_ITEM_CHUNK;
+ }
+ gobj[count] = io;
+ count++;
+ pem_nobjs++;
+
+ io->refCount ++;
+ return io;
+}
+
CK_RV
AddCertificate(char *certfile, char *keyfile, PRBool cacert,
CK_SLOT_ID slotID)
@@ -314,44 +357,37 @@ AddCertificate(char *certfile, char *key
snprintf(nickname, 1024, "%s - %d", certfile, i);
- o = CreateObject(CKO_CERTIFICATE, pemCert, objs[i], NULL,
- nickname, 0, slotID);
+ o = AddObjectIfNeeded(CKO_CERTIFICATE, pemCert, objs[i], NULL,
+ nickname, 0, slotID);
if (o == NULL) {
error = CKR_GENERAL_ERROR;
goto loser;
}
- PUT_Object(o, error);
if (error != CKR_OK)
goto loser;
o = NULL;
- pem_nobjs++;
/* Add the CA trust object */
- o = CreateObject(CKO_NETSCAPE_TRUST, pemTrust, objs[i], NULL,
- nickname, 0, slotID);
+ o = AddObjectIfNeeded(CKO_NETSCAPE_TRUST, pemTrust, objs[i], NULL,
+ nickname, 0, slotID);
if (o == NULL) {
error = CKR_GENERAL_ERROR;
goto loser;
}
- PUT_Object(o, error);
- pem_nobjs++;
} /* for */
} else {
objid = pem_nobjs + 1;
- o = CreateObject(CKO_CERTIFICATE, pemCert, objs[0], NULL, certfile,
- objid, slotID);
+ o = AddObjectIfNeeded(CKO_CERTIFICATE, pemCert, objs[0], NULL, certfile,
+ objid, slotID);
if (o == NULL) {
error = CKR_GENERAL_ERROR;
goto loser;
}
- PUT_Object(o, error);
-
if (error != CKR_OK)
goto loser;
o = NULL;
- pem_nobjs++;
if (keyfile) { /* add the private key */
SECItem **keyobjs = NULL;
@@ -363,15 +399,12 @@ AddCertificate(char *certfile, char *key
error = CKR_GENERAL_ERROR;
goto loser;
}
- o = CreateObject(CKO_PRIVATE_KEY, pemBareKey, objs[0],
- keyobjs[0], certfile, objid, slotID);
+ o = AddObjectIfNeeded(CKO_PRIVATE_KEY, pemBareKey, objs[0],
+ keyobjs[0], certfile, objid, slotID);
if (o == NULL) {
error = CKR_GENERAL_ERROR;
goto loser;
}
-
- PUT_Object(o, error);
- pem_nobjs++;
}
}
@@ -487,15 +520,10 @@ pem_Finalize
NSSCKFWInstance * fwInstance
)
{
- int i;
-
plog("pem_Finalize\n");
if (!pemInitialized)
return;
- for (i = 0; i < pem_nobjs; ++i)
- pem_DestroyInternalObject(gobj[i]);
-
nss_ZFreeIf(gobj);
gobj = NULL;
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/pobject.c nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/pobject.c
--- ./mozilla/security/nss/lib/ckfw/pem/pobject.c 2009-06-22 11:29:44.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/pobject.c 2009-09-06 12:05:06.837446214 -0700
@@ -51,24 +51,12 @@ NSS_EXTERN_DATA pemInternalObject **gobj
NSS_EXTERN_DATA int pem_nobjs;
NSS_EXTERN_DATA int token_needsLogin[NUM_SLOTS];
-#define PEM_ITEM_CHUNK 512
-#define PUT_Object(obj,err) \
- { \
- if (count >= size) { \
- gobj = gobj ? \
- nss_ZREALLOCARRAY(gobj, pemInternalObject *, \
- (size+PEM_ITEM_CHUNK) ) : \
- nss_ZNEWARRAY(NULL, pemInternalObject *, \
- (size+PEM_ITEM_CHUNK) ) ; \
- if ((pemInternalObject **)NULL == gobj) { \
- err = CKR_HOST_MEMORY; \
- goto loser; \
- } \
- size += PEM_ITEM_CHUNK; \
- } \
- (gobj)[ count ] = (obj); \
- count++; \
- }
+#define APPEND_LIST_ITEM(item) do { \
+ item->next = nss_ZNEW(NULL, pemObjectListItem); \
+ if (NULL == item->next) \
+ goto loser; \
+ item = item->next; \
+} while (0)
const CK_ATTRIBUTE_TYPE certAttrs[] = {
CKA_CLASS,
@@ -559,12 +547,41 @@ pem_FetchAttribute
return NULL;
}
+/*
+ * Destroy internal object or list object if refCount becomes zero (after
+ * decrement). Safe to call with NULL argument.
+ */
void
pem_DestroyInternalObject
(
pemInternalObject * io
)
{
+ if (NULL == io)
+ /* nothing to destroy */
+ return;
+
+ if (NULL != io->list) {
+ /* destroy list object */
+ pemObjectListItem *item = io->list;
+ while (item) {
+ pemObjectListItem *next = item->next;
+
+ /* recursion of maximal depth 1 */
+ pem_DestroyInternalObject(item->io);
+
+ nss_ZFreeIf(item);
+ item = next;
+ }
+ nss_ZFreeIf(io);
+ return;
+ }
+
+ io->refCount --;
+ if (0 < io->refCount)
+ return;
+
+ /* destroy internal object */
switch (io->type) {
case pemRaw:
return;
@@ -610,12 +627,17 @@ pem_DestroyInternalObject
free(io->u.key.ivstring);
break;
}
+
+ if (NULL != gobj)
+ /* remove reference to self from the global array */
+ gobj[io->gobjIndex] = NULL;
+
nss_ZFreeIf(io);
return;
}
/*
- * Finalize - unneeded
+ * Finalize - needed
* Destroy - CKR_SESSION_READ_ONLY
* IsTokenObject - CK_TRUE
* GetAttributeCount
@@ -623,9 +645,25 @@ pem_DestroyInternalObject
* GetAttributeSize
* GetAttribute
* SetAttribute - unneeded
- * GetObjectSize
+ * GetObjectSize - unneeded
*/
+static void
+pem_mdObject_Finalize
+(
+ NSSCKMDObject * mdObject,
+ NSSCKFWObject * fwObject,
+ NSSCKMDSession * mdSession,
+ NSSCKFWSession * fwSession,
+ NSSCKMDToken * mdToken,
+ NSSCKFWToken * fwToken,
+ NSSCKMDInstance * mdInstance,
+ NSSCKFWInstance * fwInstance
+)
+{
+ pem_DestroyInternalObject((pemInternalObject *) mdObject->etc);
+}
+
static CK_RV
pem_mdObject_Destroy
(
@@ -677,6 +715,14 @@ pem_mdObject_GetAttributeCount
{
pemInternalObject *io = (pemInternalObject *) mdObject->etc;
+ if (NULL != io->list) {
+ /* list object --> use the first item in the list */
+ NSSCKMDObject *md = &(io->list->io->mdObject);
+ return md->GetAttributeCount(md, fwObject, mdSession, fwSession,
+ mdToken, fwToken, mdInstance, fwInstance,
+ pError);
+ }
+
if (pemRaw == io->type) {
return io->u.raw.n;
}
@@ -714,10 +760,19 @@ pem_mdObject_GetAttributeTypes
CK_ULONG i;
CK_RV error = CKR_OK;
const CK_ATTRIBUTE_TYPE *attrs = NULL;
- CK_ULONG size =
- pem_mdObject_GetAttributeCount(mdObject, fwObject, mdSession,
- fwSession, mdToken, fwToken, mdInstance,
- fwInstance, &error);
+ CK_ULONG size;
+
+ if (NULL != io->list) {
+ /* list object --> use the first item in the list */
+ NSSCKMDObject *md = &(io->list->io->mdObject);
+ return md->GetAttributeTypes(md, fwObject, mdSession, fwSession,
+ mdToken, fwToken, mdInstance, fwInstance,
+ typeArray, ulCount);
+ }
+
+ size = pem_mdObject_GetAttributeCount(mdObject, fwObject, mdSession,
+ fwSession, mdToken, fwToken, mdInstance,
+ fwInstance, &error);
if (size != ulCount) {
return CKR_BUFFER_TOO_SMALL;
@@ -762,9 +817,16 @@ pem_mdObject_GetAttributeSize
)
{
pemInternalObject *io = (pemInternalObject *) mdObject->etc;
-
const NSSItem *b;
+ if (NULL != io->list) {
+ /* list object --> use the first item in the list */
+ NSSCKMDObject *md = &(io->list->io->mdObject);
+ return md->GetAttributeSize(md, fwObject, mdSession, fwSession,
+ mdToken, fwToken, mdInstance, fwInstance,
+ attribute, pError);
+ }
+
b = pem_FetchAttribute(io, attribute);
if ((const NSSItem *) NULL == b) {
@@ -792,6 +854,14 @@ pem_mdObject_GetAttribute
NSSCKFWItem mdItem;
pemInternalObject *io = (pemInternalObject *) mdObject->etc;
+ if (NULL != io->list) {
+ /* list object --> use the first item in the list */
+ NSSCKMDObject *md = &(io->list->io->mdObject);
+ return md->GetAttribute(md, fwObject, mdSession, fwSession,
+ mdToken, fwToken, mdInstance, fwInstance,
+ attribute, pError);
+ }
+
mdItem.needsFreeing = PR_FALSE;
mdItem.item = (NSSItem *) pem_FetchAttribute(io, attribute);
@@ -910,31 +980,10 @@ pem_GetStringAttribute
return str;
}
-static CK_ULONG
-pem_mdObject_GetObjectSize
-(
- NSSCKMDObject * mdObject,
- NSSCKFWObject * fwObject,
- NSSCKMDSession * mdSession,
- NSSCKFWSession * fwSession,
- NSSCKMDToken * mdToken,
- NSSCKFWToken * fwToken,
- NSSCKMDInstance * mdInstance,
- NSSCKFWInstance * fwInstance,
- CK_RV * pError
-)
-{
- /* pemInternalObject *io = (pemInternalObject *) mdObject->etc; */
- CK_ULONG rv = 1;
-
- /* size is irrelevant to this token */
- return rv;
-}
-
static const NSSCKMDObject
pem_prototype_mdObject = {
(void *) NULL, /* etc */
- NULL, /* Finalize */
+ pem_mdObject_Finalize,
pem_mdObject_Destroy,
pem_mdObject_IsTokenObject,
pem_mdObject_GetAttributeCount,
@@ -943,7 +992,7 @@ pem_prototype_mdObject = {
pem_mdObject_GetAttribute,
NULL, /* FreeAttribute */
NULL, /* SetAttribute */
- pem_mdObject_GetObjectSize,
+ NULL, /* GetObjectSize */
(void *) NULL /* null terminator */
};
@@ -982,7 +1031,6 @@ pem_CreateObject
)
{
CK_OBJECT_CLASS objClass;
- pemInternalObject *io = NULL;
CK_BBOOL isToken;
NSSCKFWSlot *fwSlot;
CK_SLOT_ID slotID;
@@ -991,13 +1039,12 @@ pem_CreateObject
SECItem **derlist = NULL;
int nobjs = 0;
int i;
- int objid, count, size;
+ int objid;
pemToken *token;
int cipher;
char *ivstring = NULL;
-
- count = pem_nobjs;
- size = (count / PEM_ITEM_CHUNK) * PEM_ITEM_CHUNK;
+ pemInternalObject *listObj = NULL;
+ pemObjectListItem *listItem = NULL;
/*
* only create token objects
@@ -1048,6 +1095,20 @@ pem_CreateObject
* private key creation */
}
#endif
+
+ listObj = nss_ZNEW(NULL, pemInternalObject);
+ if (NULL == listObj) {
+ nss_ZFreeIf(filename);
+ return NULL;
+ }
+
+ listItem = listObj->list = nss_ZNEW(NULL, pemObjectListItem);
+ if (NULL == listItem) {
+ nss_ZFreeIf(listObj);
+ nss_ZFreeIf(filename);
+ return NULL;
+ }
+
if (objClass == CKO_CERTIFICATE) {
int i;
@@ -1058,6 +1119,9 @@ pem_CreateObject
objid = -1;
/* Brute force: find the id of the key, if any, in this slot */
for (i = 0; i < pem_nobjs; i++) {
+ if (NULL == gobj[i])
+ continue;
+
if ((slotID == gobj[i]->slotID)
&& (gobj[i]->type == pemBareKey)) {
objid = atoi(gobj[i]->id.data);
@@ -1078,33 +1142,28 @@ pem_CreateObject
snprintf(nickname, 1024, "%s - %d", filename, c);
- io = (pemInternalObject *) CreateObject(CKO_CERTIFICATE,
- pemCert, derlist[c],
- NULL, nickname, 0,
- slotID);
- if (io == NULL)
+ if (c)
+ APPEND_LIST_ITEM(listItem);
+ listItem->io = AddObjectIfNeeded(CKO_CERTIFICATE, pemCert,
+ derlist[c], NULL, nickname, 0,
+ slotID);
+ if (listItem->io == NULL)
goto loser;
- PUT_Object(io, *pError);
- pem_nobjs++;
/* Add the trust object */
- io = CreateObject(CKO_NETSCAPE_TRUST, pemTrust, derlist[c],
- NULL, nickname, 0, slotID);
- if (io == NULL)
+ APPEND_LIST_ITEM(listItem);
+ listItem->io = AddObjectIfNeeded(CKO_NETSCAPE_TRUST, pemTrust,
+ derlist[c], NULL, nickname, 0,
+ slotID);
+ if (listItem->io == NULL)
goto loser;
-
- PUT_Object(io, *pError);
- pem_nobjs++;
}
} else {
- io = (pemInternalObject *) CreateObject(CKO_CERTIFICATE,
- pemCert, derlist[0],
- NULL, filename, objid,
- slotID);
- if (io == NULL)
+ listItem->io = AddObjectIfNeeded(CKO_CERTIFICATE, pemCert,
+ derlist[0], NULL, filename, objid,
+ slotID);
+ if (listItem->io == NULL)
goto loser;
- PUT_Object(io, *pError);
- pem_nobjs++;
}
} else if (objClass == CKO_PRIVATE_KEY) {
/* Brute force: find the id of the certificate, if any, in this slot */
@@ -1120,6 +1179,9 @@ pem_CreateObject
objid = -1;
for (i = 0; i < pem_nobjs; i++) {
+ if (NULL == gobj[i])
+ continue;
+
if ((slotID == gobj[i]->slotID) && (gobj[i]->type == pemCert)) {
objid = atoi(gobj[i]->id.data);
certDER.data =
@@ -1134,22 +1196,21 @@ pem_CreateObject
if (objid == -1)
objid = pem_nobjs + 1;
- io = (pemInternalObject *) CreateObject(CKO_PRIVATE_KEY,
- pemBareKey, &certDER,
- derlist[0], filename,
- objid, slotID);
- if (io == NULL)
+ listItem->io = AddObjectIfNeeded(CKO_PRIVATE_KEY, pemBareKey, &certDER,
+ derlist[0], filename, objid, slotID);
+ if (listItem->io == NULL)
goto loser;
- io->u.key.ivstring = ivstring;
- io->u.key.cipher = cipher;
- PUT_Object(io, *pError);
- pem_nobjs++;
+
+ listItem->io->u.key.ivstring = ivstring;
+ listItem->io->u.key.cipher = cipher;
nss_ZFreeIf(certDER.data);
/* If the key was encrypted then free the session to make it appear that
* the token was removed so we can force a login.
*/
if (cipher) {
+ /* FIXME: Why 1.0s? Is it enough? Isn't it too much?
+ * What about e.g. 3.14s? */
PRIntervalTime onesec = PR_SecondsToInterval(1);
token_needsLogin[slotID - 1] = PR_TRUE;
@@ -1175,8 +1236,8 @@ pem_CreateObject
}
nss_ZFreeIf(filename);
nss_ZFreeIf(derlist);
- if ((pemInternalObject *) NULL == io) {
+ if ((pemInternalObject *) NULL == listItem->io) {
return (NSSCKMDObject *) NULL;
}
- return pem_CreateMDObject(NULL, io, pError);
+ return pem_CreateMDObject(NULL, listObj, pError);
}
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/psession.c nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/psession.c
--- ./mozilla/security/nss/lib/ckfw/pem/psession.c 2009-06-22 13:55:16.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/psession.c 2009-09-06 12:05:55.979449599 -0700
@@ -158,6 +158,9 @@ pem_mdSession_CreateObject
ulAttributeCount, pError);
}
+/*
+ * increase refCount of internal object(s)
+ */
NSSCKMDObject *
pem_mdSession_CopyObject
(
@@ -175,120 +178,19 @@ pem_mdSession_CopyObject
CK_RV * pError
)
{
- pemInternalObject *new = NULL;
- NSSCKMDObject *mdObject = nssCKFWObject_GetMDObject(fwOldObject);
- pemInternalObject *old = (pemInternalObject *) mdObject->etc;
- CK_RV error = CKR_OK;
-
- plog("pem_mdSession_CopyObject: ");
- /*
- * now handle the various object types
- */
- *pError = CKR_OK;
- switch (old->type) {
- case pemCert:
- plog("pemCert\n");
- if ((pemInternalObject *) NULL == 0) {
- new = nss_ZNEW(NULL, pemInternalObject);
- if ((pemInternalObject *) NULL == new) {
- *pError = CKR_HOST_MEMORY;
- goto loser;
- }
- memset(&new->u.cert, 0, sizeof(new->u.cert));
- new->objClass = CKO_CERTIFICATE;
- new->type = pemCert;
- new->derCert = nss_ZNEW(NULL, SECItem);
- new->derCert->data =
- (void *) nss_ZAlloc(NULL, old->derCert->len);
- new->derCert->len = old->derCert->len;
- nsslibc_memcpy(new->derCert->data, old->derCert->data,
- old->derCert->len);
- new->nickname =
- (char *) nss_ZAlloc(NULL, strlen(old->nickname) + 1);
- strcpy(new->nickname, old->nickname);
- new->id.data = (void *) nss_ZAlloc(NULL, old->id.size);
- (void) nsslibc_memcpy(new->id.data, old->id.data,
- old->id.size);
- new->id.size = old->id.size;
- }
- break;
- case pemBareKey:
- plog("pemBareKey\n");
- if ((pemInternalObject *) NULL == 0) {
- new = nss_ZNEW(NULL, pemInternalObject);
- if ((pemInternalObject *) NULL == new) {
- *pError = CKR_HOST_MEMORY;
- goto loser;
- }
- memset(&new->u.key, 0, sizeof(new->u.key));
- new->objClass = CKO_PRIVATE_KEY;
- new->type = pemBareKey;
- new->derCert = nss_ZNEW(NULL, SECItem);
- new->derCert->data =
- (void *) nss_ZAlloc(NULL, old->derCert->len);
- new->derCert->len = old->derCert->len;
- new->id.data = (void *) nss_ZAlloc(NULL, old->id.size);
- (void) nsslibc_memcpy(new->id.data, old->id.data,
- old->id.size);
- new->id.size = old->id.size;
- nsslibc_memcpy(new->derCert->data, old->derCert->data,
- old->derCert->len);
- new->nickname =
- (char *) nss_ZAlloc(NULL, strlen(old->nickname) + 1);
- strcpy(new->nickname, old->nickname);
- new->u.key.key.privateKey = nss_ZNEW(NULL, SECItem);
- new->u.key.key.privateKey->data =
- (void *) nss_ZAlloc(NULL, old->u.key.key.privateKey->len);
- new->u.key.key.privateKey->len =
- old->u.key.key.privateKey->len;
- nsslibc_memcpy(new->u.key.key.privateKey->data,
- old->u.key.key.privateKey->data,
- old->u.key.key.privateKey->len);
- }
- goto done;
- break;
- case pemTrust:
- plog("pemTrust\n");
- if ((pemInternalObject *) NULL == 0) {
- new = nss_ZNEW(NULL, pemInternalObject);
- if ((pemInternalObject *) NULL == new) {
- *pError = CKR_HOST_MEMORY;
- goto loser;
- }
- memset(&new->u.trust, 0, sizeof(new->u.trust));
- new->objClass = CKO_CERTIFICATE;
- new->type = pemTrust;
- new->derCert = nss_ZNEW(NULL, SECItem);
- new->derCert->data =
- (void *) nss_ZAlloc(NULL, old->derCert->len);
- new->derCert->len = old->derCert->len;
- nsslibc_memcpy(new->derCert->data, old->derCert->data,
- old->derCert->len);
- new->nickname =
- (char *) nss_ZAlloc(NULL, strlen(old->nickname) + 1);
- strcpy(new->nickname, old->nickname);
- new->id.data = (void *) nss_ZAlloc(NULL, old->id.size);
- (void) nsslibc_memcpy(new->id.data, old->id.data,
- old->id.size);
- new->id.size = old->id.size;
+ pemInternalObject *io = (pemInternalObject *) mdOldObject->etc;
+
+ if (NULL == io->list) {
+ io->refCount ++;
+ } else {
+ /* go through list of objects */
+ pemObjectListItem *item = io->list;
+ while (item) {
+ item->io->refCount ++;
+ item = item->next;
}
- goto done;
- default:
- plog("Unknown: %08x\n", old->type);
- goto done; /* no other object types we understand in this module */
- }
- if (CKR_OK != *pError) {
- goto loser;
}
-
- done:
- *pError = CKR_OK;
- return (NSSCKMDObject *) pem_CreateMDObject(arena, new, &error);
-
- loser:
- *pError = CKR_GENERAL_ERROR;
- return (NSSCKMDObject *) NULL;
-
+ return mdOldObject;
}
CK_RV
@@ -333,6 +235,9 @@ pem_mdSession_Login
/* Find the right key object */
for (i = 0; i < pem_nobjs; i++) {
+ if (NULL == gobj[i])
+ continue;
+
if ((slotID == gobj[i]->slotID) && (gobj[i]->type == pemBareKey)) {
io = gobj[i];
break;
diff -r -u -p nss-3.12.4-orig/mozilla/security/nss/lib/ckfw/pem/util.c nss-3.12.4/mozilla/security/nss/lib/ckfw/pem/util.c
--- ./mozilla/security/nss/lib/ckfw/pem/util.c 2009-06-22 11:27:17.000000000 -0700
+++ ./mozilla/security/nss/lib/ckfw/pem/util.c 2009-09-06 12:06:19.731446505 -0700
@@ -168,9 +168,13 @@ ReadDERFromFile(SECItem *** derlist, cha
key = 1;
c = body;
body = strchr(body, '\n');
+ if (NULL == body)
+ goto loser;
body++;
if (strncmp(body, "Proc-Type: 4,ENCRYPTED", 22) == 0) {
body = strchr(body, '\n');
+ if (NULL == body)
+ goto loser;
body++;
if (strncmp(body, "DEK-Info: ", 10) == 0) {
body += 10;
@@ -202,8 +206,8 @@ ReadDERFromFile(SECItem *** derlist, cha
}
}
der = (SECItem *) malloc(sizeof(SECItem));
- if (der == NULL)
- goto loser;
+ if (der == NULL)
+ goto loser;
char *trailer = NULL;
asc = body;
@@ -223,15 +227,15 @@ ReadDERFromFile(SECItem *** derlist, cha
/* Convert to binary */
rv = ATOB_ConvertAsciiToItem(der, body);
if (rv) {
- free(der);
+ free(der);
goto loser;
}
- if ((certsonly && !key) || (!certsonly && key)) {
+ if ((certsonly && !key) || (!certsonly && key)) {
PUT_Object(der, error);
- } else {
- free(der->data);
- free(der);
- }
+ } else {
+ free(der->data);
+ free(der);
+ }
} /* while */
} else { /* No headers and footers, translate the blob */
der = nss_ZNEW(NULL, SECItem);

9
nss.spec
View File

@ -6,7 +6,7 @@
Summary: Network Security Services
Name: nss
Version: 3.12.4
Release: 2%{?dist}
Release: 3%{?dist}
License: MPLv1.1 or GPLv2+ or LGPLv2+
URL: http://www.mozilla.org/projects/security/pki/nss/
Group: System Environment/Libraries
@ -35,6 +35,7 @@ Source12: %{name}-pem-20090622.tar.bz2
Patch2: nss-nolocalsql.patch
Patch6: nss-enable-pem.patch
Patch7: nss-pem-509705.patch
%description
Network Security Services (NSS) is a set of libraries designed to
@ -89,7 +90,7 @@ low level services.
%patch2 -p0
%patch6 -p0 -b .libpem
%patch7 -p0 -b .509705
%build
@ -423,6 +424,10 @@ rm -rf $RPM_BUILD_ROOT/%{_includedir}/nss3/nsslowhash.h
%changelog
* Sun Sep 06 2009 Elio Maldonado<emaldona@redhat.com> - 3.12.4-3
- PEM module implements memory management for internal objects - 509705
- PEM module doesn't crash when processing malformed key files - 512019
* Sat Sep 05 2009 Elio Maldonado<emaldona@redhat.com> - 3.12.4-2
- Remove symbolic links to shared libraries from devel - 521155
- No rpath-link in nss-softokn-config