Add m-esr52 at 52.6.0

1 files changed, 375 insertions, 0 deletions

diff --git a/security/nss/lib/smime/cmscinfo.c b/security/nss/lib/smime/cmscinfo.c
new file mode 100644
index 000000000..08db662f8
--- /dev/null
+++ b/security/nss/lib/smime/cmscinfo.c
@@ -0,0 +1,375 @@
+/* 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/. */
+
+/*
+ * CMS contentInfo methods.
+ */
+
+#include "cmslocal.h"
+
+#include "pk11func.h"
+#include "secitem.h"
+#include "secoid.h"
+#include "secerr.h"
+
+/*
+ * NSS_CMSContentInfo_Create - create a content info
+ *
+ * version is set in the _Finalize procedures for each content type
+ */
+SECStatus
+NSS_CMSContentInfo_Private_Init(NSSCMSContentInfo *cinfo)
+{
+    if (cinfo->privateInfo) {
+        return SECSuccess;
+    }
+    cinfo->privateInfo = PORT_ZNew(NSSCMSContentInfoPrivate);
+    return (cinfo->privateInfo) ? SECSuccess : SECFailure;
+}
+
+static void
+nss_cmsContentInfo_private_destroy(NSSCMSContentInfoPrivate *privateInfo)
+{
+    if (privateInfo->digcx) {
+        /* must destroy digest objects */
+        NSS_CMSDigestContext_Cancel(privateInfo->digcx);
+        privateInfo->digcx = NULL;
+    }
+    if (privateInfo->ciphcx) {
+        NSS_CMSCipherContext_Destroy(privateInfo->ciphcx);
+        privateInfo->ciphcx = NULL;
+    }
+    PORT_Free(privateInfo);
+}
+
+/*
+ * NSS_CMSContentInfo_Destroy - destroy a CMS contentInfo and all of its sub-pieces.
+ */
+void
+NSS_CMSContentInfo_Destroy(NSSCMSContentInfo *cinfo)
+{
+    SECOidTag kind;
+
+    kind = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
+    switch (kind) {
+        case SEC_OID_PKCS7_ENVELOPED_DATA:
+            NSS_CMSEnvelopedData_Destroy(cinfo->content.envelopedData);
+            break;
+        case SEC_OID_PKCS7_SIGNED_DATA:
+            NSS_CMSSignedData_Destroy(cinfo->content.signedData);
+            break;
+        case SEC_OID_PKCS7_ENCRYPTED_DATA:
+            NSS_CMSEncryptedData_Destroy(cinfo->content.encryptedData);
+            break;
+        case SEC_OID_PKCS7_DIGESTED_DATA:
+            NSS_CMSDigestedData_Destroy(cinfo->content.digestedData);
+            break;
+        default:
+            NSS_CMSGenericWrapperData_Destroy(kind, cinfo->content.genericData);
+            /* XXX Anything else that needs to be "manually" freed/destroyed? */
+            break;
+    }
+    if (cinfo->privateInfo) {
+        nss_cmsContentInfo_private_destroy(cinfo->privateInfo);
+        cinfo->privateInfo = NULL;
+    }
+    if (cinfo->bulkkey) {
+        PK11_FreeSymKey(cinfo->bulkkey);
+    }
+}
+
+/*
+ * NSS_CMSContentInfo_GetChildContentInfo - get content's contentInfo (if it exists)
+ */
+NSSCMSContentInfo *
+NSS_CMSContentInfo_GetChildContentInfo(NSSCMSContentInfo *cinfo)
+{
+    NSSCMSContentInfo *ccinfo = NULL;
+    SECOidTag tag = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
+    switch (tag) {
+        case SEC_OID_PKCS7_SIGNED_DATA:
+            if (cinfo->content.signedData != NULL) {
+                ccinfo = &(cinfo->content.signedData->contentInfo);
+            }
+            break;
+        case SEC_OID_PKCS7_ENVELOPED_DATA:
+            if (cinfo->content.envelopedData != NULL) {
+                ccinfo = &(cinfo->content.envelopedData->contentInfo);
+            }
+            break;
+        case SEC_OID_PKCS7_DIGESTED_DATA:
+            if (cinfo->content.digestedData != NULL) {
+                ccinfo = &(cinfo->content.digestedData->contentInfo);
+            }
+            break;
+        case SEC_OID_PKCS7_ENCRYPTED_DATA:
+            if (cinfo->content.encryptedData != NULL) {
+                ccinfo = &(cinfo->content.encryptedData->contentInfo);
+            }
+            break;
+        case SEC_OID_PKCS7_DATA:
+        default:
+            if (NSS_CMSType_IsWrapper(tag)) {
+                if (cinfo->content.genericData != NULL) {
+                    ccinfo = &(cinfo->content.genericData->contentInfo);
+                }
+            }
+            break;
+    }
+    if (ccinfo && !ccinfo->privateInfo) {
+        NSS_CMSContentInfo_Private_Init(ccinfo);
+    }
+    return ccinfo;
+}
+
+SECStatus
+NSS_CMSContentInfo_SetDontStream(NSSCMSContentInfo *cinfo, PRBool dontStream)
+{
+    SECStatus rv;
+
+    rv = NSS_CMSContentInfo_Private_Init(cinfo);
+    if (rv != SECSuccess) {
+        /* default is streaming, failure to get ccinfo will not effect this */
+        return dontStream ? SECFailure : SECSuccess;
+    }
+    cinfo->privateInfo->dontStream = dontStream;
+    return SECSuccess;
+}
+
+/*
+ * NSS_CMSContentInfo_SetContent - set content type & content
+ */
+SECStatus
+NSS_CMSContentInfo_SetContent(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                              SECOidTag type, void *ptr)
+{
+    SECStatus rv;
+
+    cinfo->contentTypeTag = SECOID_FindOIDByTag(type);
+    if (cinfo->contentTypeTag == NULL)
+        return SECFailure;
+
+    /* do not copy the oid, just create a reference */
+    rv = SECITEM_CopyItem(cmsg->poolp, &(cinfo->contentType), &(cinfo->contentTypeTag->oid));
+    if (rv != SECSuccess)
+        return SECFailure;
+
+    cinfo->content.pointer = ptr;
+
+    if (NSS_CMSType_IsData(type) && ptr) {
+        cinfo->rawContent = ptr;
+    } else {
+        /* as we always have some inner data,
+     * we need to set it to something, just to fool the encoder enough to work on it
+     * and get us into nss_cms_encoder_notify at that point */
+        cinfo->rawContent = SECITEM_AllocItem(cmsg->poolp, NULL, 1);
+        if (cinfo->rawContent == NULL) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            return SECFailure;
+        }
+    }
+
+    return SECSuccess;
+}
+
+/*
+ * NSS_CMSContentInfo_SetContent_XXXX - typesafe wrappers for NSS_CMSContentInfo_SetContent
+ */
+
+/*
+ * data == NULL -> pass in data via NSS_CMSEncoder_Update
+ * data != NULL -> take this data
+ */
+SECStatus
+NSS_CMSContentInfo_SetContent_Data(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                                   SECItem *data, PRBool detached)
+{
+    if (NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_DATA, (void *)data) != SECSuccess)
+        return SECFailure;
+    if (detached) {
+        cinfo->rawContent = NULL;
+    }
+
+    return SECSuccess;
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContent_SignedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                                         NSSCMSSignedData *sigd)
+{
+    return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_SIGNED_DATA, (void *)sigd);
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContent_EnvelopedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                                            NSSCMSEnvelopedData *envd)
+{
+    return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_ENVELOPED_DATA, (void *)envd);
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContent_DigestedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                                           NSSCMSDigestedData *digd)
+{
+    return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_DIGESTED_DATA, (void *)digd);
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContent_EncryptedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
+                                            NSSCMSEncryptedData *encd)
+{
+    return NSS_CMSContentInfo_SetContent(cmsg, cinfo, SEC_OID_PKCS7_ENCRYPTED_DATA, (void *)encd);
+}
+
+/*
+ * NSS_CMSContentInfo_GetContent - get pointer to inner content
+ *
+ * needs to be casted...
+ */
+void *
+NSS_CMSContentInfo_GetContent(NSSCMSContentInfo *cinfo)
+{
+    SECOidTag tag = cinfo->contentTypeTag
+                        ? cinfo->contentTypeTag->offset
+                        : SEC_OID_UNKNOWN;
+    switch (tag) {
+        case SEC_OID_PKCS7_DATA:
+        case SEC_OID_PKCS7_SIGNED_DATA:
+        case SEC_OID_PKCS7_ENVELOPED_DATA:
+        case SEC_OID_PKCS7_DIGESTED_DATA:
+        case SEC_OID_PKCS7_ENCRYPTED_DATA:
+            return cinfo->content.pointer;
+        default:
+            return NSS_CMSType_IsWrapper(tag) ? cinfo->content.pointer
+                                              : (NSS_CMSType_IsData(tag) ? cinfo->rawContent
+                                                                         : NULL);
+    }
+}
+
+/*
+ * NSS_CMSContentInfo_GetInnerContent - get pointer to innermost content
+ *
+ * this is typically only called by NSS_CMSMessage_GetContent()
+ */
+
+SECItem *
+NSS_CMSContentInfo_GetInnerContent(NSSCMSContentInfo *cinfo)
+{
+    NSSCMSContentInfo *ccinfo;
+    SECOidTag tag;
+    SECItem *pItem = NULL;
+
+    tag = NSS_CMSContentInfo_GetContentTypeTag(cinfo);
+    if (NSS_CMSType_IsData(tag)) {
+        pItem = cinfo->content.data;
+    } else if (NSS_CMSType_IsWrapper(tag)) {
+        ccinfo = NSS_CMSContentInfo_GetChildContentInfo(cinfo);
+        if (ccinfo != NULL) {
+            pItem = NSS_CMSContentInfo_GetContent(ccinfo);
+        }
+    } else {
+        PORT_Assert(0);
+    }
+
+    return pItem;
+}
+
+/*
+ * NSS_CMSContentInfo_GetContentType{Tag,OID} - find out (saving pointer to lookup result
+ * for future reference) and return the inner content type.
+ */
+SECOidTag
+NSS_CMSContentInfo_GetContentTypeTag(NSSCMSContentInfo *cinfo)
+{
+    if (cinfo->contentTypeTag == NULL)
+        cinfo->contentTypeTag = SECOID_FindOID(&(cinfo->contentType));
+
+    if (cinfo->contentTypeTag == NULL)
+        return SEC_OID_UNKNOWN;
+
+    return cinfo->contentTypeTag->offset;
+}
+
+SECItem *
+NSS_CMSContentInfo_GetContentTypeOID(NSSCMSContentInfo *cinfo)
+{
+    if (cinfo->contentTypeTag == NULL)
+        cinfo->contentTypeTag = SECOID_FindOID(&(cinfo->contentType));
+
+    if (cinfo->contentTypeTag == NULL)
+        return NULL;
+
+    return &(cinfo->contentTypeTag->oid);
+}
+
+/*
+ * NSS_CMSContentInfo_GetContentEncAlgTag - find out (saving pointer to lookup result
+ * for future reference) and return the content encryption algorithm tag.
+ */
+SECOidTag
+NSS_CMSContentInfo_GetContentEncAlgTag(NSSCMSContentInfo *cinfo)
+{
+    if (cinfo->contentEncAlgTag == SEC_OID_UNKNOWN)
+        cinfo->contentEncAlgTag = SECOID_GetAlgorithmTag(&(cinfo->contentEncAlg));
+
+    return cinfo->contentEncAlgTag;
+}
+
+/*
+ * NSS_CMSContentInfo_GetContentEncAlg - find out and return the content encryption algorithm tag.
+ */
+SECAlgorithmID *
+NSS_CMSContentInfo_GetContentEncAlg(NSSCMSContentInfo *cinfo)
+{
+    return &(cinfo->contentEncAlg);
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContentEncAlg(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
+                                    SECOidTag bulkalgtag, SECItem *parameters, int keysize)
+{
+    SECStatus rv;
+
+    rv = SECOID_SetAlgorithmID(poolp, &(cinfo->contentEncAlg), bulkalgtag, parameters);
+    if (rv != SECSuccess)
+        return SECFailure;
+    cinfo->keysize = keysize;
+    return SECSuccess;
+}
+
+SECStatus
+NSS_CMSContentInfo_SetContentEncAlgID(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
+                                      SECAlgorithmID *algid, int keysize)
+{
+    SECStatus rv;
+
+    rv = SECOID_CopyAlgorithmID(poolp, &(cinfo->contentEncAlg), algid);
+    if (rv != SECSuccess)
+        return SECFailure;
+    if (keysize >= 0)
+        cinfo->keysize = keysize;
+    return SECSuccess;
+}
+
+void
+NSS_CMSContentInfo_SetBulkKey(NSSCMSContentInfo *cinfo, PK11SymKey *bulkkey)
+{
+    cinfo->bulkkey = PK11_ReferenceSymKey(bulkkey);
+    cinfo->keysize = PK11_GetKeyStrength(cinfo->bulkkey, &(cinfo->contentEncAlg));
+}
+
+PK11SymKey *
+NSS_CMSContentInfo_GetBulkKey(NSSCMSContentInfo *cinfo)
+{
+    if (cinfo->bulkkey == NULL)
+        return NULL;
+
+    return PK11_ReferenceSymKey(cinfo->bulkkey);
+}
+
+int
+NSS_CMSContentInfo_GetBulkKeySize(NSSCMSContentInfo *cinfo)
+{
+    return cinfo->keysize;
+}