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Diffstat (limited to 'src/libsystemd/sd-bus/busctl.c')
-rw-r--r--src/libsystemd/sd-bus/busctl.c582
1 files changed, 15 insertions, 567 deletions
diff --git a/src/libsystemd/sd-bus/busctl.c b/src/libsystemd/sd-bus/busctl.c
index 6d03692c7f..c58a97bc14 100644
--- a/src/libsystemd/sd-bus/busctl.c
+++ b/src/libsystemd/sd-bus/busctl.c
@@ -35,6 +35,7 @@
#include "bus-util.h"
#include "bus-dump.h"
#include "bus-signature.h"
+#include "busctl-introspect.h"
static bool arg_no_pager = false;
static bool arg_legend = true;
@@ -304,550 +305,27 @@ static void print_tree(const char *prefix, char **l) {
print_subtree(prefix, "/", l);
}
-static int parse_xml_annotation(
- const char **p,
- void **xml_state) {
-
-
- enum {
- STATE_ANNOTATION,
- STATE_NAME,
- STATE_VALUE
- } state = STATE_ANNOTATION;
-
- for (;;) {
- _cleanup_free_ char *name = NULL;
-
- int t;
-
- t = xml_tokenize(p, &name, xml_state, NULL);
- if (t < 0) {
- log_error("XML parse error.");
- return t;
- }
-
- if (t == XML_END) {
- log_error("Premature end of XML data.");
- return -EBADMSG;
- }
-
- 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 {
- log_error("Unexpected <annotation> attribute %s.", name);
- return -EBADMSG;
- }
-
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "annotation")))
-
- return 0;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <annotation>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_ANNOTATION;
- else {
- log_error("Unexpected token in <annotation>. (2)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_VALUE:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_ANNOTATION;
- else {
- log_error("Unexpected token in <annotation>. (3)");
- return -EINVAL;
- }
-
- break;
-
- default:
- assert_not_reached("Bad state");
- }
- }
-}
-
-static int parse_xml_node(
- const char *prefix,
- Set *paths,
- const char **p,
- void **xml_state) {
-
- 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_PROPERTY,
- STATE_PROPERTY_NAME,
- STATE_PROPERTY_TYPE,
- STATE_PROPERTY_ACCESS,
- } state = STATE_NODE;
-
- _cleanup_free_ char *node_path = NULL;
- const char *np = prefix;
+static int on_path(const char *path, void *userdata) {
+ Set *paths = userdata;
int r;
- for (;;) {
- _cleanup_free_ char *name = NULL;
- int t;
-
- t = xml_tokenize(p, &name, xml_state, NULL);
- if (t < 0) {
- log_error("XML parse error.");
- return t;
- }
-
- if (t == XML_END) {
- log_error("Premature end of XML data.");
- return -EBADMSG;
- }
-
- switch (state) {
-
- case STATE_NODE:
- if (t == XML_ATTRIBUTE_NAME) {
-
- if (streq_ptr(name, "name"))
- state = STATE_NODE_NAME;
- else {
- log_error("Unexpected <node> attribute %s.", name);
- return -EBADMSG;
- }
-
- } else if (t == XML_TAG_OPEN) {
-
- if (streq_ptr(name, "interface"))
- state = STATE_INTERFACE;
-
- else if (streq_ptr(name, "node")) {
-
- r = parse_xml_node(np, paths, p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected <node> tag %s.", name);
- return -EBADMSG;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "node"))) {
-
- if (paths) {
- if (!node_path) {
- node_path = strdup(np);
- if (!node_path)
- return log_oom();
- }
-
- r = set_put(paths, node_path);
- if (r < 0)
- return log_oom();
- else if (r > 0)
- node_path = NULL;
- }
-
- return 0;
-
- } else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <node>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_NODE_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE) {
-
- free(node_path);
-
- if (name[0] == '/') {
- node_path = name;
- name = NULL;
- } else {
-
- if (endswith(prefix, "/"))
- node_path = strappend(prefix, name);
- else
- node_path = strjoin(prefix, "/", name, NULL);
- if (!node_path)
- return log_oom();
- }
-
- np = node_path;
- state = STATE_NODE;
- } else {
- log_error("Unexpected token in <node>. (2)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_INTERFACE:
-
- if (t == XML_ATTRIBUTE_NAME) {
- if (streq_ptr(name, "name"))
- state = STATE_INTERFACE_NAME;
- else {
- log_error("Unexpected <interface> attribute %s.", name);
- return -EBADMSG;
- }
-
- } 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"))
- state = STATE_PROPERTY;
- else if (streq_ptr(name, "annotation")) {
- r = parse_xml_annotation(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected <interface> tag %s.", name);
- return -EINVAL;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "interface")))
-
- state = STATE_NODE;
+ assert(paths);
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <interface>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_INTERFACE_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_INTERFACE;
- else {
- log_error("Unexpected token in <interface>. (2)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_METHOD:
-
- if (t == XML_ATTRIBUTE_NAME) {
- if (streq_ptr(name, "name"))
- state = STATE_METHOD_NAME;
- else {
- log_error("Unexpected <method> attribute %s", name);
- return -EBADMSG;
- }
- } 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(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected <method> tag %s.", name);
- return -EINVAL;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "method")))
-
- state = STATE_INTERFACE;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <method> (1).");
- return -EINVAL;
- }
-
- break;
-
- case STATE_METHOD_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_METHOD;
- else {
- log_error("Unexpected token in <method> (2).");
- return -EINVAL;
- }
-
- 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 {
- log_error("Unexpected method <arg> attribute %s.", name);
- return -EBADMSG;
- }
- } else if (t == XML_TAG_OPEN) {
- if (streq_ptr(name, "annotation")) {
- r = parse_xml_annotation(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected method <arg> tag %s.", name);
- return -EINVAL;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "arg")))
-
- state = STATE_METHOD;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in method <arg>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_METHOD_ARG_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_METHOD_ARG;
- else {
- log_error("Unexpected token in method <arg>. (2)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_METHOD_ARG_TYPE:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_METHOD_ARG;
- else {
- log_error("Unexpected token in method <arg>. (3)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_METHOD_ARG_DIRECTION:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_METHOD_ARG;
- else {
- log_error("Unexpected token in method <arg>. (4)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_SIGNAL:
-
- if (t == XML_ATTRIBUTE_NAME) {
- if (streq_ptr(name, "name"))
- state = STATE_SIGNAL_NAME;
- else {
- log_error("Unexpected <signal> attribute %s.", name);
- return -EBADMSG;
- }
- } 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(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected <signal> tag %s.", name);
- return -EINVAL;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "signal")))
-
- state = STATE_INTERFACE;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <signal>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_SIGNAL_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_SIGNAL;
- else {
- log_error("Unexpected token in <signal>. (2)");
- return -EINVAL;
- }
-
- 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 {
- log_error("Unexpected signal <arg> attribute %s.", name);
- return -EBADMSG;
- }
- } else if (t == XML_TAG_OPEN) {
- if (streq_ptr(name, "annotation")) {
- r = parse_xml_annotation(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected signal <arg> tag %s.", name);
- return -EINVAL;
- }
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "arg")))
-
- state = STATE_SIGNAL;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in signal <arg> (1).");
- return -EINVAL;
- }
-
- break;
-
- case STATE_SIGNAL_ARG_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_SIGNAL_ARG;
- else {
- log_error("Unexpected token in signal <arg> (2).");
- return -EINVAL;
- }
-
- break;
-
- case STATE_SIGNAL_ARG_TYPE:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_SIGNAL_ARG;
- else {
- log_error("Unexpected token in signal <arg> (3).");
- return -EINVAL;
- }
-
- 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 {
- log_error("Unexpected <property> attribute %s.", name);
- return -EBADMSG;
- }
- } else if (t == XML_TAG_OPEN) {
-
- if (streq_ptr(name, "annotation")) {
- r = parse_xml_annotation(p, xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected <property> tag %s.", name);
- return -EINVAL;
- }
-
- } else if (t == XML_TAG_CLOSE_EMPTY ||
- (t == XML_TAG_CLOSE && streq_ptr(name, "property")))
-
- state = STATE_INTERFACE;
-
- else if (t != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token in <property>. (1)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_PROPERTY_NAME:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_PROPERTY;
- else {
- log_error("Unexpected token in <property>. (2)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_PROPERTY_TYPE:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_PROPERTY;
- else {
- log_error("Unexpected token in <property>. (3)");
- return -EINVAL;
- }
-
- break;
-
- case STATE_PROPERTY_ACCESS:
-
- if (t == XML_ATTRIBUTE_VALUE)
- state = STATE_PROPERTY;
- else {
- log_error("Unexpected token in <property>. (4)");
- return -EINVAL;
- }
+ r = set_put_strdup(paths, path);
+ if (r < 0)
+ return log_oom();
- break;
- }
- }
+ return 0;
}
static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *paths) {
+ const XMLIntrospectOps ops = {
+ .on_path = on_path,
+ };
+
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *xml, *p;
- void *xml_state = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *xml;
int r;
r = sd_bus_call_method(bus, service, path, "org.freedesktop.DBus.Introspectable", "Introspect", &error, &reply, "");
@@ -861,37 +339,7 @@ static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *p
return bus_log_parse_error(r);
/* fputs(xml, stdout); */
-
- p = xml;
- for (;;) {
- _cleanup_free_ char *name = NULL;
-
- r = xml_tokenize(&p, &name, &xml_state, NULL);
- if (r < 0) {
- log_error("XML parse error");
- return r;
- }
-
- if (r == XML_END)
- break;
-
- if (r == XML_TAG_OPEN) {
-
- if (streq(name, "node")) {
- r = parse_xml_node(path, paths, &p, &xml_state);
- if (r < 0)
- return r;
- } else {
- log_error("Unexpected tag '%s' in introspection data.", name);
- return -EBADMSG;
- }
- } else if (r != XML_TEXT || !in_charset(name, WHITESPACE)) {
- log_error("Unexpected token.");
- return -EINVAL;
- }
- }
-
- return 0;
+ return parse_xml_introspect(path, xml, &ops, paths);
}
static int tree_one(sd_bus *bus, const char *service, const char *prefix) {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 16:19:32 +0000