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-rw-r--r--src/busctl/busctl-introspect.c732
1 files changed, 732 insertions, 0 deletions
diff --git a/src/busctl/busctl-introspect.c b/src/busctl/busctl-introspect.c
new file mode 100644
index 0000000..18254ef
--- /dev/null
+++ b/src/busctl/busctl-introspect.c
@@ -0,0 +1,732 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "busctl-introspect.h"
+#include "string-util.h"
+#include "util.h"
+#include "xml.h"
+
+#define NODE_DEPTH_MAX 16
+
+typedef struct Context {
+ const XMLIntrospectOps *ops;
+ void *userdata;
+
+ char *interface_name;
+ uint64_t interface_flags;
+
+ char *member_name;
+ char *member_signature;
+ char *member_result;
+ uint64_t member_flags;
+ bool member_writable;
+
+ const char *current;
+ void *xml_state;
+} Context;
+
+static void context_reset_member(Context *c) {
+ free(c->member_name);
+ free(c->member_signature);
+ free(c->member_result);
+
+ c->member_name = c->member_signature = c->member_result = NULL;
+ c->member_flags = 0;
+ c->member_writable = false;
+}
+
+static void context_reset_interface(Context *c) {
+ c->interface_name = mfree(c->interface_name);
+ c->interface_flags = 0;
+
+ context_reset_member(c);
+}
+
+static int parse_xml_annotation(Context *context, uint64_t *flags) {
+
+ enum {
+ STATE_ANNOTATION,
+ STATE_NAME,
+ STATE_VALUE
+ } state = STATE_ANNOTATION;
+
+ _cleanup_free_ char *field = NULL, *value = NULL;
+
+ assert(context);
+
+ for (;;) {
+ _cleanup_free_ char *name = NULL;
+
+ int t;
+
+ t = xml_tokenize(&context->current, &name, &context->xml_state, NULL);
+ if (t < 0) {
+ log_error("XML parse error.");
+ return t;
+ }
+
+ if (t == XML_END)
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Premature end of XML data.");
+
+ switch (state) {
+
+ case STATE_ANNOTATION:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+
+ if (streq_ptr(name, "name"))
+ state = STATE_NAME;
+
+ else if (streq_ptr(name, "value"))
+ state = STATE_VALUE;
+
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <annotation> attribute %s.",
+ name);
+
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "annotation"))) {
+
+ if (flags) {
+ if (streq_ptr(field, "org.freedesktop.DBus.Deprecated")) {
+
+ if (streq_ptr(value, "true"))
+ *flags |= SD_BUS_VTABLE_DEPRECATED;
+
+ } else if (streq_ptr(field, "org.freedesktop.DBus.Method.NoReply")) {
+
+ if (streq_ptr(value, "true"))
+ *flags |= SD_BUS_VTABLE_METHOD_NO_REPLY;
+
+ } else if (streq_ptr(field, "org.freedesktop.DBus.Property.EmitsChangedSignal")) {
+
+ if (streq_ptr(value, "const"))
+ *flags = (*flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION|SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE)) | SD_BUS_VTABLE_PROPERTY_CONST;
+ else if (streq_ptr(value, "invalidates"))
+ *flags = (*flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_CONST)) | SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION;
+ else if (streq_ptr(value, "false"))
+ *flags = *flags & ~(SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION);
+ }
+ }
+
+ return 0;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <annotation>. (1)");
+
+ break;
+
+ case STATE_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(field, name);
+
+ state = STATE_ANNOTATION;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <annotation>. (2)");
+
+ break;
+
+ case STATE_VALUE:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(value, name);
+
+ state = STATE_ANNOTATION;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <annotation>. (3)");
+
+ break;
+
+ default:
+ assert_not_reached("Bad state");
+ }
+ }
+}
+
+static int parse_xml_node(Context *context, const char *prefix, unsigned n_depth) {
+
+ enum {
+ STATE_NODE,
+ STATE_NODE_NAME,
+ STATE_INTERFACE,
+ STATE_INTERFACE_NAME,
+ STATE_METHOD,
+ STATE_METHOD_NAME,
+ STATE_METHOD_ARG,
+ STATE_METHOD_ARG_NAME,
+ STATE_METHOD_ARG_TYPE,
+ STATE_METHOD_ARG_DIRECTION,
+ STATE_SIGNAL,
+ STATE_SIGNAL_NAME,
+ STATE_SIGNAL_ARG,
+ STATE_SIGNAL_ARG_NAME,
+ STATE_SIGNAL_ARG_TYPE,
+ STATE_SIGNAL_ARG_DIRECTION,
+ STATE_PROPERTY,
+ STATE_PROPERTY_NAME,
+ STATE_PROPERTY_TYPE,
+ STATE_PROPERTY_ACCESS,
+ } state = STATE_NODE;
+
+ _cleanup_free_ char *node_path = NULL, *argument_type = NULL, *argument_direction = NULL;
+ const char *np = prefix;
+ int r;
+
+ assert(context);
+ assert(prefix);
+
+ if (n_depth > NODE_DEPTH_MAX)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "<node> depth too high.");
+
+ for (;;) {
+ _cleanup_free_ char *name = NULL;
+ int t;
+
+ t = xml_tokenize(&context->current, &name, &context->xml_state, NULL);
+ if (t < 0) {
+ log_error("XML parse error.");
+ return t;
+ }
+
+ if (t == XML_END)
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Premature end of XML data.");
+
+ switch (state) {
+
+ case STATE_NODE:
+ if (t == XML_ATTRIBUTE_NAME) {
+
+ if (streq_ptr(name, "name"))
+ state = STATE_NODE_NAME;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <node> attribute %s.", name);
+
+ } else if (t == XML_TAG_OPEN) {
+
+ if (streq_ptr(name, "interface"))
+ state = STATE_INTERFACE;
+ else if (streq_ptr(name, "node")) {
+
+ r = parse_xml_node(context, np, n_depth+1);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <node> tag %s.", name);
+
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "node"))) {
+
+ if (context->ops->on_path) {
+ r = context->ops->on_path(node_path ? node_path : np, context->userdata);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <node>. (1)");
+
+ break;
+
+ case STATE_NODE_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+
+ free(node_path);
+
+ if (name[0] == '/')
+ node_path = TAKE_PTR(name);
+ else {
+
+ if (endswith(prefix, "/"))
+ node_path = strappend(prefix, name);
+ else
+ node_path = strjoin(prefix, "/", name);
+ if (!node_path)
+ return log_oom();
+ }
+
+ np = node_path;
+ state = STATE_NODE;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <node>. (2)");
+
+ break;
+
+ case STATE_INTERFACE:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_INTERFACE_NAME;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <interface> attribute %s.",
+ name);
+
+ } else if (t == XML_TAG_OPEN) {
+ if (streq_ptr(name, "method"))
+ state = STATE_METHOD;
+ else if (streq_ptr(name, "signal"))
+ state = STATE_SIGNAL;
+ else if (streq_ptr(name, "property")) {
+ context->member_flags |= SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE;
+ state = STATE_PROPERTY;
+ } else if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, &context->interface_flags);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected <interface> tag %s.", name);
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "interface"))) {
+
+ if (n_depth == 0) {
+ if (context->ops->on_interface) {
+ r = context->ops->on_interface(context->interface_name, context->interface_flags, context->userdata);
+ if (r < 0)
+ return r;
+ }
+
+ context_reset_interface(context);
+ }
+
+ state = STATE_NODE;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <interface>. (1)");
+
+ break;
+
+ case STATE_INTERFACE_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ if (n_depth == 0)
+ free_and_replace(context->interface_name, name);
+
+ state = STATE_INTERFACE;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <interface>. (2)");
+
+ break;
+
+ case STATE_METHOD:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_METHOD_NAME;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <method> attribute %s",
+ name);
+ } else if (t == XML_TAG_OPEN) {
+ if (streq_ptr(name, "arg"))
+ state = STATE_METHOD_ARG;
+ else if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, &context->member_flags);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected <method> tag %s.",
+ name);
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "method"))) {
+
+ if (n_depth == 0) {
+ if (context->ops->on_method) {
+ r = context->ops->on_method(context->interface_name, context->member_name, context->member_signature, context->member_result, context->member_flags, context->userdata);
+ if (r < 0)
+ return r;
+ }
+
+ context_reset_member(context);
+ }
+
+ state = STATE_INTERFACE;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <method> (1).");
+
+ break;
+
+ case STATE_METHOD_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ if (n_depth == 0)
+ free_and_replace(context->member_name, name);
+
+ state = STATE_METHOD;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <method> (2).");
+
+ break;
+
+ case STATE_METHOD_ARG:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_METHOD_ARG_NAME;
+ else if (streq_ptr(name, "type"))
+ state = STATE_METHOD_ARG_TYPE;
+ else if (streq_ptr(name, "direction"))
+ state = STATE_METHOD_ARG_DIRECTION;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected method <arg> attribute %s.",
+ name);
+ } else if (t == XML_TAG_OPEN) {
+ if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, NULL);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected method <arg> tag %s.",
+ name);
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "arg"))) {
+
+ if (n_depth == 0) {
+
+ if (argument_type) {
+ if (!argument_direction || streq(argument_direction, "in")) {
+ if (!strextend(&context->member_signature, argument_type, NULL))
+ return log_oom();
+ } else if (streq(argument_direction, "out")) {
+ if (!strextend(&context->member_result, argument_type, NULL))
+ return log_oom();
+ } else
+ log_error("Unexpected method <arg> direction value '%s'.", argument_direction);
+ }
+
+ argument_type = mfree(argument_type);
+ argument_direction = mfree(argument_direction);
+ }
+
+ state = STATE_METHOD;
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in method <arg>. (1)");
+
+ break;
+
+ case STATE_METHOD_ARG_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE)
+ state = STATE_METHOD_ARG;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in method <arg>. (2)");
+
+ break;
+
+ case STATE_METHOD_ARG_TYPE:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(argument_type, name);
+
+ state = STATE_METHOD_ARG;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in method <arg>. (3)");
+
+ break;
+
+ case STATE_METHOD_ARG_DIRECTION:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(argument_direction, name);
+
+ state = STATE_METHOD_ARG;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in method <arg>. (4)");
+
+ break;
+
+ case STATE_SIGNAL:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_SIGNAL_NAME;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <signal> attribute %s.",
+ name);
+ } else if (t == XML_TAG_OPEN) {
+ if (streq_ptr(name, "arg"))
+ state = STATE_SIGNAL_ARG;
+ else if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, &context->member_flags);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected <signal> tag %s.",
+ name);
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "signal"))) {
+
+ if (n_depth == 0) {
+ if (context->ops->on_signal) {
+ r = context->ops->on_signal(context->interface_name, context->member_name, context->member_signature, context->member_flags, context->userdata);
+ if (r < 0)
+ return r;
+ }
+
+ context_reset_member(context);
+ }
+
+ state = STATE_INTERFACE;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <signal>. (1)");
+
+ break;
+
+ case STATE_SIGNAL_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ if (n_depth == 0)
+ free_and_replace(context->member_name, name);
+
+ state = STATE_SIGNAL;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <signal>. (2)");
+
+ break;
+
+ case STATE_SIGNAL_ARG:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_SIGNAL_ARG_NAME;
+ else if (streq_ptr(name, "type"))
+ state = STATE_SIGNAL_ARG_TYPE;
+ else if (streq_ptr(name, "direction"))
+ state = STATE_SIGNAL_ARG_DIRECTION;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected signal <arg> attribute %s.",
+ name);
+ } else if (t == XML_TAG_OPEN) {
+ if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, NULL);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected signal <arg> tag %s.",
+ name);
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "arg"))) {
+
+ if (argument_type) {
+ if (!argument_direction || streq(argument_direction, "out")) {
+ if (!strextend(&context->member_signature, argument_type, NULL))
+ return log_oom();
+ } else
+ log_error("Unexpected signal <arg> direction value '%s'.", argument_direction);
+
+ argument_type = mfree(argument_type);
+ }
+
+ state = STATE_SIGNAL;
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in signal <arg> (1).");
+
+ break;
+
+ case STATE_SIGNAL_ARG_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE)
+ state = STATE_SIGNAL_ARG;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in signal <arg> (2).");
+
+ break;
+
+ case STATE_SIGNAL_ARG_TYPE:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(argument_type, name);
+
+ state = STATE_SIGNAL_ARG;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in signal <arg> (3).");
+
+ break;
+
+ case STATE_SIGNAL_ARG_DIRECTION:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ free_and_replace(argument_direction, name);
+
+ state = STATE_SIGNAL_ARG;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in signal <arg>. (4)");
+
+ break;
+
+ case STATE_PROPERTY:
+
+ if (t == XML_ATTRIBUTE_NAME) {
+ if (streq_ptr(name, "name"))
+ state = STATE_PROPERTY_NAME;
+ else if (streq_ptr(name, "type"))
+ state = STATE_PROPERTY_TYPE;
+ else if (streq_ptr(name, "access"))
+ state = STATE_PROPERTY_ACCESS;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
+ "Unexpected <property> attribute %s.",
+ name);
+ } else if (t == XML_TAG_OPEN) {
+
+ if (streq_ptr(name, "annotation")) {
+ r = parse_xml_annotation(context, &context->member_flags);
+ if (r < 0)
+ return r;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected <property> tag %s.",
+ name);
+
+ } else if (t == XML_TAG_CLOSE_EMPTY ||
+ (t == XML_TAG_CLOSE && streq_ptr(name, "property"))) {
+
+ if (n_depth == 0) {
+ if (context->ops->on_property) {
+ r = context->ops->on_property(context->interface_name, context->member_name, context->member_signature, context->member_writable, context->member_flags, context->userdata);
+ if (r < 0)
+ return r;
+ }
+
+ context_reset_member(context);
+ }
+
+ state = STATE_INTERFACE;
+
+ } else if (t != XML_TEXT || !in_charset(name, WHITESPACE))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <property>. (1)");
+
+ break;
+
+ case STATE_PROPERTY_NAME:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ if (n_depth == 0)
+ free_and_replace(context->member_name, name);
+
+ state = STATE_PROPERTY;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <property>. (2)");
+
+ break;
+
+ case STATE_PROPERTY_TYPE:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+ if (n_depth == 0)
+ free_and_replace(context->member_signature, name);
+
+ state = STATE_PROPERTY;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <property>. (3)");
+
+ break;
+
+ case STATE_PROPERTY_ACCESS:
+
+ if (t == XML_ATTRIBUTE_VALUE) {
+
+ if (streq(name, "readwrite") || streq(name, "write"))
+ context->member_writable = true;
+
+ state = STATE_PROPERTY;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unexpected token in <property>. (4)");
+
+ break;
+ }
+ }
+}
+
+int parse_xml_introspect(const char *prefix, const char *xml, const XMLIntrospectOps *ops, void *userdata) {
+ Context context = {
+ .ops = ops,
+ .userdata = userdata,
+ .current = xml,
+ };
+
+ int r;
+
+ assert(prefix);
+ assert(xml);
+ assert(ops);
+
+ for (;;) {
+ _cleanup_free_ char *name = NULL;
+
+ r = xml_tokenize(&context.current, &name, &context.xml_state, NULL);
+ if (r < 0) {
+ log_error("XML parse error");
+ goto finish;
+ }
+
+ if (r == XML_END) {
+ r = 0;
+ break;
+ }
+
+ if (r == XML_TAG_OPEN) {
+
+ if (streq(name, "node")) {
+ r = parse_xml_node(&context, prefix, 0);
+ if (r < 0)
+ goto finish;
+ } else {
+ log_error("Unexpected tag '%s' in introspection data.", name);
+ r = -EBADMSG;
+ goto finish;
+ }
+ } else if (r != XML_TEXT || !in_charset(name, WHITESPACE)) {
+ log_error("Unexpected token.");
+ r = -EBADMSG;
+ goto finish;
+ }
+ }
+
+finish:
+ context_reset_interface(&context);
+
+ return r;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 17:58:02 +0000