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-rw-r--r--epan/dissectors/packet-dcm.c63
1 files changed, 35 insertions, 28 deletions
diff --git a/epan/dissectors/packet-dcm.c b/epan/dissectors/packet-dcm.c
index fab18c61..f6e74084 100644
--- a/epan/dissectors/packet-dcm.c
+++ b/epan/dissectors/packet-dcm.c
@@ -664,7 +664,7 @@ typedef struct dcm_status {
const gchar *description;
} dcm_status_t;
-static dcm_status_t dcm_status_data[] = {
+static dcm_status_t const dcm_status_data[] = {
/* From PS 3.7 */
@@ -1010,11 +1010,11 @@ static const gchar *
dcm_rsp2str(guint16 status_value)
{
- dcm_status_t *status = NULL;
+ dcm_status_t const *status = NULL;
const gchar *s;
/* Use specific text first */
- status = (dcm_status_t*) wmem_map_lookup(dcm_status_table, GUINT_TO_POINTER((guint32)status_value));
+ status = (dcm_status_t const *)wmem_map_lookup(dcm_status_table, GUINT_TO_POINTER((guint32)status_value));
if (status) {
s = status->description;
@@ -1657,7 +1657,7 @@ dissect_dcm_assoc_item(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guin
proto_tree *assoc_item_ptree; /* Tree for item details */
proto_item *assoc_item_pitem;
- dcm_uid_t *uid = NULL;
+ dcm_uid_t const *uid = NULL;
guint32 item_number = 0;
@@ -1681,7 +1681,7 @@ dissect_dcm_assoc_item(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guin
case DCM_ITEM_VALUE_TYPE_UID:
*item_value = (gchar *)tvb_get_string_enc(pinfo->pool, tvb, offset+4, item_len, ENC_ASCII);
- uid = (dcm_uid_t *)wmem_map_lookup(dcm_uid_table, (gpointer) *item_value);
+ uid = (dcm_uid_t const *)wmem_map_lookup(dcm_uid_table, (gpointer) *item_value);
if (uid) {
*item_description = uid->name;
buf_desc = wmem_strdup_printf(pinfo->pool, "%s (%s)", *item_description, *item_value);
@@ -1733,7 +1733,7 @@ dissect_dcm_assoc_sopclass_extneg(tvbuff_t *tvb, packet_info *pinfo, proto_tree
gint32 cnt = 0;
gchar *buf_desc = NULL; /* Used for item text */
- dcm_uid_t *sopclassuid=NULL;
+ dcm_uid_t const *sopclassuid=NULL;
gchar *sopclassuid_str = NULL;
item_len = tvb_get_ntohs(tvb, offset+2);
@@ -1748,7 +1748,7 @@ dissect_dcm_assoc_sopclass_extneg(tvbuff_t *tvb, packet_info *pinfo, proto_tree
proto_tree_add_item(assoc_item_extneg_tree, hf_dcm_info_extneg_sopclassuid_len, tvb, offset+4, 2, ENC_BIG_ENDIAN);
sopclassuid_str = (gchar *)tvb_get_string_enc(pinfo->pool, tvb, offset+6, sop_class_uid_len, ENC_ASCII);
- sopclassuid = (dcm_uid_t *)wmem_map_lookup(dcm_uid_table, (gpointer) sopclassuid_str);
+ sopclassuid = (dcm_uid_t const *)wmem_map_lookup(dcm_uid_table, (gpointer) sopclassuid_str);
if (sopclassuid) {
buf_desc = wmem_strdup_printf(pinfo->pool, "%s (%s)", sopclassuid->name, sopclassuid->value);
@@ -1907,7 +1907,7 @@ dissect_dcm_assoc_role_selection(tvbuff_t *tvb, packet_info *pinfo, proto_tree *
guint8 scp_role, scu_role;
gchar *buf_desc; /* Used for item text */
- dcm_uid_t *sopclassuid;
+ dcm_uid_t const *sopclassuid;
gchar *sopclassuid_str;
item_len = tvb_get_ntohs(tvb, offset+2);
@@ -1922,7 +1922,7 @@ dissect_dcm_assoc_role_selection(tvbuff_t *tvb, packet_info *pinfo, proto_tree *
proto_tree_add_item(assoc_item_rolesel_tree, hf_dcm_info_rolesel_sopclassuid_len, tvb, offset+4, 2, ENC_BIG_ENDIAN);
sopclassuid_str = (gchar *)tvb_get_string_enc(pinfo->pool, tvb, offset+6, sop_class_uid_len, ENC_ASCII);
- sopclassuid = (dcm_uid_t *)wmem_map_lookup(dcm_uid_table, (gpointer) sopclassuid_str);
+ sopclassuid = (dcm_uid_t const *)wmem_map_lookup(dcm_uid_table, (gpointer) sopclassuid_str);
scu_role = tvb_get_guint8(tvb, offset+6+sop_class_uid_len);
scp_role = tvb_get_guint8(tvb, offset+7+sop_class_uid_len);
@@ -2574,7 +2574,7 @@ dissect_dcm_tag_value(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, dcm_s
*/
gchar *vals;
- dcm_uid_t *uid = NULL;
+ dcm_uid_t const *uid = NULL;
guint8 val8;
val8 = tvb_get_guint8(tvb, offset + vl_max - 1);
@@ -2594,7 +2594,7 @@ dissect_dcm_tag_value(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, dcm_s
if ((strncmp(vr, "UI", 2) == 0)) {
/* This is a UID. Attempt a lookup. Will only return something for classes of course */
- uid = (dcm_uid_t *)wmem_map_lookup(dcm_uid_table, (gpointer) vals);
+ uid = (dcm_uid_t const *)wmem_map_lookup(dcm_uid_table, (gpointer) vals);
if (uid) {
*tag_value = wmem_strdup_printf(pinfo->pool, "%s (%s)", vals, uid->name);
}
@@ -2828,19 +2828,19 @@ dcm_tag_is_open(dcm_state_pdv_t *pdv, guint32 startpos, guint32 offset, guint32
}
}
-static dcm_tag_t*
+static dcm_tag_t const *
dcm_tag_lookup(guint16 grp, guint16 elm)
{
- static dcm_tag_t *tag_def = NULL;
+ static dcm_tag_t const *tag_def = NULL;
- static dcm_tag_t tag_unknown = { 0x00000000, "(unknown)", "UN", "1", 0, 0};
- static dcm_tag_t tag_private = { 0x00000000, "Private Tag", "UN", "1", 0, 0 };
- static dcm_tag_t tag_private_grp_len = { 0x00000000, "Private Tag Group Length", "UL", "1", 0, 0 };
- static dcm_tag_t tag_grp_length = { 0x00000000, "Group Length", "UL", "1", 0, 0 };
+ static dcm_tag_t const tag_unknown = { 0x00000000, "(unknown)", "UN", "1", 0, 0};
+ static dcm_tag_t const tag_private = { 0x00000000, "Private Tag", "UN", "1", 0, 0 };
+ static dcm_tag_t const tag_private_grp_len = { 0x00000000, "Private Tag Group Length", "UL", "1", 0, 0 };
+ static dcm_tag_t const tag_grp_length = { 0x00000000, "Group Length", "UL", "1", 0, 0 };
/* Try a direct hit first before doing a masked search */
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | elm));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | elm));
if (tag_def == NULL) {
@@ -2858,23 +2858,23 @@ dcm_tag_lookup(guint16 grp, guint16 elm)
/* There are a few tags that require a mask to be found */
else if (((grp & 0xFF00) == 0x5000) || ((grp & 0xFF00) == 0x6000) || ((grp & 0xFF00) == 0x7F00)) {
/* Do a special for groups 0x50xx, 0x60xx and 0x7Fxx */
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER((((guint32)grp & 0xFF00) << 16) | elm));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER((((guint32)grp & 0xFF00) << 16) | elm));
}
else if ((grp == 0x0020) && ((elm & 0xFF00) == 0x3100)) {
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF00)));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF00)));
}
else if ((grp == 0x0028) && ((elm & 0xFF00) == 0x0400)) {
/* This map was done to 0x041x */
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF0F) | 0x0010));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF0F) | 0x0010));
}
else if ((grp == 0x0028) && ((elm & 0xFF00) == 0x0800)) {
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF0F)));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0xFF0F)));
}
else if (grp == 0x1000) {
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0x000F)));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0x000F)));
}
else if (grp == 0x1010) {
- tag_def = (dcm_tag_t *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0x0000)));
+ tag_def = (dcm_tag_t const *)wmem_map_lookup(dcm_tag_table, GUINT_TO_POINTER(((guint32)grp << 16) | (elm & 0x0000)));
}
if (tag_def == NULL) {
@@ -2920,6 +2920,7 @@ Decode one tag. If it is a sequence or item start create a subtree. Returns new
http://dicom.nema.org/medical/dicom/current/output/chtml/part05/chapter_7.html
*/
static guint32
+// NOLINTNEXTLINE(misc-no-recursion)
dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
dcm_state_pdv_t *pdv, guint32 offset, guint32 endpos,
gboolean is_first_tag, const gchar **tag_description,
@@ -2927,11 +2928,11 @@ dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
{
- proto_tree *tag_ptree = NULL; /* Tree for decoded tag details */
- proto_tree *seq_ptree = NULL; /* Possible subtree for sequences and items */
+ proto_tree *tag_ptree = NULL; /* Tree for decoded tag details */
+ proto_tree *seq_ptree = NULL; /* Possible subtree for sequences and items */
- proto_item *tag_pitem = NULL;
- dcm_tag_t *tag_def = NULL;
+ proto_item *tag_pitem = NULL;
+ dcm_tag_t const *tag_def = NULL;
gint ett;
@@ -3220,6 +3221,7 @@ dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
if (vl == 0xFFFFFFFF) {
/* Undefined length */
+ increment_dissection_depth(pinfo);
while ((!local_end_of_seq_or_item) && (!pdv->open_tag.is_header_fragmented) && (offset < endpos)) {
offset = dissect_dcm_tag(tvb, pinfo, seq_ptree, pdv, offset, endpos, FALSE, &item_description, &local_end_of_seq_or_item);
@@ -3229,11 +3231,13 @@ dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
is_first_desc = FALSE;
}
}
+ decrement_dissection_depth(pinfo);
}
else {
/* Defined length */
endpos_item = offset + vl_max;
+ increment_dissection_depth(pinfo);
while (offset < endpos_item) {
offset = dissect_dcm_tag(tvb, pinfo, seq_ptree, pdv, offset, endpos_item, FALSE, &item_description, &local_end_of_seq_or_item);
@@ -3243,6 +3247,7 @@ dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
is_first_desc = FALSE;
}
}
+ decrement_dissection_depth(pinfo);
}
} /* if ((is_sequence || is_item) && (vl > 0)) */
else if ((grp == 0xFFFE) && (elm == 0xE00D)) {
@@ -3292,7 +3297,9 @@ dissect_dcm_tag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
else {
/* Regular value. Identify the type, decode and display */
+ increment_dissection_depth(pinfo);
offset = dissect_dcm_tag_value(tvb, pinfo, tag_ptree, pdv, offset, grp, elm, vl, vl_max, vr, &tag_value);
+ decrement_dissection_depth(pinfo);
/* -------------------------------------------------------------
We have decoded the value. Now store those tags of interest
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 02:33:36 +0000