static void
header_fields_update_cb(void *r, const char **err)
{
header_field_t *rec = (header_field_t *)r;
char c;
if (rec->header_name == NULL) {
*err = ep_strdup_printf("Header name can't be empty");
return;
}
g_strstrip(rec->header_name);
if (rec->header_name[0] == 0) {
*err = ep_strdup_printf("Header name can't be empty");
return;
}
/* Check for invalid characters (to avoid asserting out when
* registering the field).
*/
c = proto_check_field_name(rec->header_name);
if (c) {
*err = ep_strdup_printf("Header name can't contain '%c'", c);
return;
}
*err = NULL;
}
void SyntaxLineEdit::checkFieldName(QString field)
{
if (field.isEmpty()) {
setSyntaxState(SyntaxLineEdit::Empty);
return;
}
char invalid_char = proto_check_field_name(field.toUtf8().constData());
if (invalid_char) {
setSyntaxState(SyntaxLineEdit::Invalid);
} else {
checkDisplayFilter(field);
}
}
static gboolean
user_data_fields_update_cb(void *r, char **err)
{
user_data_field_t *rec = (user_data_field_t *)r;
char c;
*err = NULL;
if (rec->udf_length == 0) {
*err = g_strdup_printf("length of user data field can't be 0 Bytes (name: %s offset: %i length: %i)", rec->udf_name, rec->udf_offset, rec->udf_length);
return (*err == NULL);
}
if (rec->udf_length > 4) {
*err = g_strdup_printf("length of user data field can't be greater 4 Bytes (name: %s offset: %i length: %i)", rec->udf_name, rec->udf_offset, rec->udf_length);
return (*err == NULL);
}
if (rec->udf_offset < 2) {
*err = g_strdup_printf("offset of user data field can't be short than 2 (name: %s offset: %i length: %i)", rec->udf_name, rec->udf_offset, rec->udf_length);
return (*err == NULL);
}
if (rec->udf_mask >= G_MAXUINT32) {
*err = g_strdup_printf("mask can only be up to 32bits (name: %s)", rec->udf_name);
return (*err == NULL);
}
if (rec->udf_name == NULL) {
*err = g_strdup_printf("Name of user data field can't be empty");
return (*err == NULL);
}
g_strstrip(rec->udf_name);
if (rec->udf_name[0] == 0) {
*err = g_strdup_printf("Name of user data field can't be empty");
return (*err == NULL);
}
/* Check for invalid characters (to avoid asserting out when
* registering the field).
*/
c = proto_check_field_name(rec->udf_name);
if (c) {
*err = g_strdup_printf("Name of user data field can't contain '%c'", c);
return (*err == NULL);
}
return (*err == NULL);
}
void DisplayFilterEdit::checkFilter(const QString& text)
{
dfilter_t *dfp;
guchar c;
clear_button_->setVisible(!text.isEmpty());
popFilterSyntaxStatus();
if (field_name_only_ && (c = proto_check_field_name(text.toUtf8().constData()))) {
setSyntaxState(Invalid);
emit pushFilterSyntaxStatus(QString().sprintf("Illegal character in field name: '%c'", c));
} else if (dfilter_compile(text.toUtf8().constData(), &dfp)) {
GPtrArray *depr = NULL;
if (dfp != NULL) {
depr = dfilter_deprecated_tokens(dfp);
}
if (text.isEmpty()) {
setSyntaxState(Empty);
} else if (depr) {
/* You keep using that word. I do not think it means what you think it means. */
setSyntaxState(Deprecated);
/*
* We're being lazy and only printing the first "problem" token.
* Would it be better to print all of them?
*/
emit pushFilterSyntaxWarning(QString().sprintf("\"%s\" may have unexpected results (see the User's Guide)",
(const char *) g_ptr_array_index(depr, 0)));
} else {
setSyntaxState(Valid);
}
dfilter_free(dfp);
} else {
setSyntaxState(Invalid);
QString invalidMsg(tr("Invalid filter"));
if (dfilter_error_msg) {
invalidMsg.append(QString().sprintf(": %s", dfilter_error_msg));
}
emit pushFilterSyntaxStatus(invalidMsg);
}
bookmark_button_->setEnabled(syntaxState() == Valid || syntaxState() == Deprecated);
if (apply_button_) {
apply_button_->setEnabled(SyntaxState() != Invalid);
}
}
void FilterExpressionsPreferencesFrame::expressionTextChanged(QString)
{
SyntaxLineEdit *syntax_edit = qobject_cast<SyntaxLineEdit *>(cur_line_edit_);
QTreeWidgetItem *item = ui->expressionTreeWidget->currentItem();
if (!syntax_edit || !item) return;
dfilter_t *dfp = NULL;
const char *field_text = syntax_edit->text().toUtf8().constData();
if (strlen(field_text) < 1) {
syntax_edit->setSyntaxState(SyntaxLineEdit::Empty);
} else if (proto_check_field_name(field_text) != 0 || !dfilter_compile(field_text, &dfp)) {
syntax_edit->setSyntaxState(SyntaxLineEdit::Invalid);
} else {
syntax_edit->setSyntaxState(SyntaxLineEdit::Valid);
}
dfilter_free(dfp);
}
static const gchar* check_field_name(lua_State* L, const int abbr_idx, const enum ftenum type) {
const gchar* abbr = luaL_checkstring(L,abbr_idx);
const header_field_info* hfinfo = NULL;
if (!abbr[0]) {
luaL_argerror(L, abbr_idx, "Empty field name abbreviation");
return NULL;
}
if (proto_check_field_name(abbr)) {
luaL_argerror(L, abbr_idx, "Invalid char in abbrev");
return NULL;
}
hfinfo = proto_registrar_get_byname(abbr);
if (hfinfo && !ftype_similar_types(type, hfinfo->type)) {
luaL_argerror(L, abbr_idx, "A field of an incompatible ftype with this abbrev already exists");
return NULL;
}
return abbr;
}
void SyntaxLineEdit::checkCustomColumn(QString fields)
{
if (fields.isEmpty()) {
setSyntaxState(SyntaxLineEdit::Empty);
return;
}
gchar **splitted_fields = g_regex_split_simple(COL_CUSTOM_PRIME_REGEX,
fields.toUtf8().constData(), G_REGEX_ANCHORED, G_REGEX_MATCH_ANCHORED);
for (guint i = 0; i < g_strv_length(splitted_fields); i++) {
if (splitted_fields[i] && *splitted_fields[i]) {
if (proto_check_field_name(splitted_fields[i]) != 0) {
setSyntaxState(SyntaxLineEdit::Invalid);
g_strfreev(splitted_fields);
return;
}
}
}
g_strfreev(splitted_fields);
checkDisplayFilter(fields);
}
