CMS: reset object_identifier_id after dissecting ContentInfo

Bug: 15961
Change-Id: I3d6b3e96103b69f88fcb512da81fa20ff6a1c40e
Reviewed-on: https://code.wireshark.org/review/34960
Petri-Dish: Pascal Quantin <pascal@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>
Reviewed-by: Roland Knall <rknall@gmail.com>

1 files changed, 16 insertions, 15 deletions

diff --git a/epan/dissectors/packet-cms.c b/epan/dissectors/packet-cms.c
index 83be4ff99e..c735cb366c 100644
--- a/epan/dissectors/packet-cms.c
+++ b/epan/dissectors/packet-cms.c
@@ -311,7 +311,7 @@ static gint ett_cms_FirmwarePackageMessageDigest = -1;
 static int dissect_cms_OCTET_STRING(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) ; /* XXX kill a compiler warning until asn2wrs stops generating these silly wrappers */
 
 
-static const char *object_identifier_id;
+static const char *object_identifier_id = NULL;
 static tvbuff_t *content_tvb = NULL;
 
 static proto_tree *top_tree=NULL;
@@ -373,7 +373,7 @@ cms_verify_msg_digest(proto_item *pi, tvbuff_t *content, const char *alg, tvbuff
 
 int
 dissect_cms_ContentType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 131 "./asn1/cms/cms.cnf"
+#line 132 "./asn1/cms/cms.cnf"
   	const char *name = NULL;
 
 	  offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &object_identifier_id);
@@ -393,7 +393,7 @@ dissect_cms_ContentType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
 
 static int
 dissect_cms_T_content(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 141 "./asn1/cms/cms.cnf"
+#line 142 "./asn1/cms/cms.cnf"
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);
 
 
@@ -417,6 +417,7 @@ dissect_cms_ContentInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
                                    ContentInfo_sequence, hf_index, ett_cms_ContentInfo);
 
   content_tvb = NULL;
+  object_identifier_id = NULL;
   top_tree = NULL;
 
 
@@ -470,7 +471,7 @@ dissect_cms_DigestAlgorithmIdentifiers(gboolean implicit_tag _U_, tvbuff_t *tvb
 
 static int
 dissect_cms_T_eContent(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 145 "./asn1/cms/cms.cnf"
+#line 146 "./asn1/cms/cms.cnf"
 
   offset = dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, &content_tvb);
 
@@ -504,7 +505,7 @@ dissect_cms_EncapsulatedContentInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_
 
 static int
 dissect_cms_T_attrType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 175 "./asn1/cms/cms.cnf"
+#line 176 "./asn1/cms/cms.cnf"
   const char *name = NULL;
 
     offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_cms_attrType, &object_identifier_id);
@@ -524,7 +525,7 @@ dissect_cms_T_attrType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
 
 static int
 dissect_cms_AttributeValue(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 185 "./asn1/cms/cms.cnf"
+#line 186 "./asn1/cms/cms.cnf"
 
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);
 
@@ -786,7 +787,7 @@ dissect_cms_T_otherRevInfoFormat(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, i
 
 static int
 dissect_cms_T_otherRevInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 169 "./asn1/cms/cms.cnf"
+#line 170 "./asn1/cms/cms.cnf"
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);
 
 
@@ -1123,7 +1124,7 @@ dissect_cms_T_keyAttrId(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
 
 static int
 dissect_cms_T_keyAttr(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 164 "./asn1/cms/cms.cnf"
+#line 165 "./asn1/cms/cms.cnf"
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);
 
 
@@ -1311,7 +1312,7 @@ dissect_cms_T_oriType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _
 
 static int
 dissect_cms_T_oriValue(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 158 "./asn1/cms/cms.cnf"
+#line 159 "./asn1/cms/cms.cnf"
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);
 
 
@@ -1388,14 +1389,14 @@ dissect_cms_ContentEncryptionAlgorithmIdentifier(gboolean implicit_tag _U_, tvbu
 
 static int
 dissect_cms_EncryptedContent(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 235 "./asn1/cms/cms.cnf"
+#line 236 "./asn1/cms/cms.cnf"
 	tvbuff_t *encrypted_tvb;
 	proto_item *item;
 
   offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
                                        &encrypted_tvb);
 
-#line 240 "./asn1/cms/cms.cnf"
+#line 241 "./asn1/cms/cms.cnf"
 
 	item = actx->created_item;
 
@@ -1553,7 +1554,7 @@ dissect_cms_AuthenticatedData(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int
 
 static int
 dissect_cms_MessageDigest(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 189 "./asn1/cms/cms.cnf"
+#line 190 "./asn1/cms/cms.cnf"
   proto_item *pi;
   int old_offset = offset;
 
@@ -1637,7 +1638,7 @@ dissect_cms_KeyWrapAlgorithm(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int o
 
 static int
 dissect_cms_RC2ParameterVersion(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 225 "./asn1/cms/cms.cnf"
+#line 226 "./asn1/cms/cms.cnf"
   guint32 length = 0;
 
     offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
@@ -1715,7 +1716,7 @@ dissect_cms_DigestInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset
 
 static int
 dissect_cms_T_capability(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 207 "./asn1/cms/cms.cnf"
+#line 208 "./asn1/cms/cms.cnf"
   const char *name = NULL;
 
     offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_cms_attrType, &object_identifier_id);
@@ -1736,7 +1737,7 @@ dissect_cms_T_capability(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offse
 
 static int
 dissect_cms_T_parameters(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
-#line 218 "./asn1/cms/cms.cnf"
+#line 219 "./asn1/cms/cms.cnf"
 
   offset=call_ber_oid_callback(object_identifier_id, tvb, offset, actx->pinfo, tree, NULL);