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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
commit2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch)
treeda68ca54bb79f4080079bf0828acda937593a4e1 /src/busctl
parentInitial commit. (diff)
downloadsystemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.tar.xz
systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.zip
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/busctl/busctl-introspect.c730
-rw-r--r--src/busctl/busctl-introspect.h14
-rw-r--r--src/busctl/busctl.c2607
3 files changed, 3351 insertions, 0 deletions
diff --git a/src/busctl/busctl-introspect.c b/src/busctl/busctl-introspect.c
new file mode 100644
index 0000000..7a5d57f
--- /dev/null
+++ b/src/busctl/busctl-introspect.c
@@ -0,0 +1,730 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "busctl-introspect.h"
+#include "path-util.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 {
+
+ node_path = path_join(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;
+}
diff --git a/src/busctl/busctl-introspect.h b/src/busctl/busctl-introspect.h
new file mode 100644
index 0000000..1a045be
--- /dev/null
+++ b/src/busctl/busctl-introspect.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+typedef struct XMLIntrospectOps {
+ int (*on_path)(const char *path, void *userdata);
+ int (*on_interface)(const char *name, uint64_t flags, void *userdata);
+ int (*on_method)(const char *interface, const char *name, const char *signature, const char *result, uint64_t flags, void *userdata);
+ int (*on_signal)(const char *interface, const char *name, const char *signature, uint64_t flags, void *userdata);
+ int (*on_property)(const char *interface, const char *name, const char *signature, bool writable, uint64_t flags, void *userdata);
+} XMLIntrospectOps;
+
+int parse_xml_introspect(const char *prefix, const char *xml, const XMLIntrospectOps *ops, void *userdata);
diff --git a/src/busctl/busctl.c b/src/busctl/busctl.c
new file mode 100644
index 0000000..06a15dd
--- /dev/null
+++ b/src/busctl/busctl.c
@@ -0,0 +1,2607 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "bus-dump.h"
+#include "bus-internal.h"
+#include "bus-message.h"
+#include "bus-signature.h"
+#include "bus-type.h"
+#include "bus-util.h"
+#include "busctl-introspect.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-table.h"
+#include "json.h"
+#include "locale-util.h"
+#include "log.h"
+#include "main-func.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "pretty-print.h"
+#include "set.h"
+#include "sort-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "user-util.h"
+#include "verbs.h"
+
+static enum {
+ JSON_OFF,
+ JSON_SHORT,
+ JSON_PRETTY,
+} arg_json = JSON_OFF;
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static bool arg_full = false;
+static const char *arg_address = NULL;
+static bool arg_unique = false;
+static bool arg_acquired = false;
+static bool arg_activatable = false;
+static bool arg_show_machine = false;
+static char **arg_matches = NULL;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static const char *arg_host = NULL;
+static bool arg_user = false;
+static size_t arg_snaplen = 4096;
+static bool arg_list = false;
+static bool arg_quiet = false;
+static bool arg_verbose = false;
+static bool arg_xml_interface = false;
+static bool arg_expect_reply = true;
+static bool arg_auto_start = true;
+static bool arg_allow_interactive_authorization = true;
+static bool arg_augment_creds = true;
+static bool arg_watch_bind = false;
+static usec_t arg_timeout = 0;
+static const char *arg_destination = NULL;
+
+STATIC_DESTRUCTOR_REGISTER(arg_matches, strv_freep);
+
+#define NAME_IS_ACQUIRED INT_TO_PTR(1)
+#define NAME_IS_ACTIVATABLE INT_TO_PTR(2)
+
+static int json_transform_message(sd_bus_message *m, JsonVariant **ret);
+static void json_dump_with_flags(JsonVariant *v, FILE *f);
+
+static int acquire_bus(bool set_monitor, sd_bus **ret) {
+ _cleanup_(sd_bus_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ r = sd_bus_new(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate bus: %m");
+
+ if (set_monitor) {
+ r = sd_bus_set_monitor(bus, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set monitor mode: %m");
+
+ r = sd_bus_negotiate_creds(bus, true, _SD_BUS_CREDS_ALL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable credentials: %m");
+
+ r = sd_bus_negotiate_timestamp(bus, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable timestamps: %m");
+
+ r = sd_bus_negotiate_fds(bus, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable fds: %m");
+ }
+
+ r = sd_bus_set_bus_client(bus, true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set bus client: %m");
+
+ r = sd_bus_set_watch_bind(bus, arg_watch_bind);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set watch-bind setting to '%s': %m",
+ yes_no(arg_watch_bind));
+
+ if (arg_address)
+ r = sd_bus_set_address(bus, arg_address);
+ else {
+ switch (arg_transport) {
+
+ case BUS_TRANSPORT_LOCAL:
+ if (arg_user)
+ r = bus_set_address_user(bus);
+ else
+ r = bus_set_address_system(bus);
+ break;
+
+ case BUS_TRANSPORT_REMOTE:
+ r = bus_set_address_system_remote(bus, arg_host);
+ break;
+
+ case BUS_TRANSPORT_MACHINE:
+ r = bus_set_address_system_machine(bus, arg_host);
+ break;
+
+ default:
+ assert_not_reached("Hmm, unknown transport type.");
+ }
+ }
+ if (r < 0)
+ return bus_log_address_error(r);
+
+ r = sd_bus_start(bus);
+ if (r < 0)
+ return bus_log_connect_error(r);
+
+ *ret = TAKE_PTR(bus);
+
+ return 0;
+}
+
+static int list_bus_names(int argc, char **argv, void *userdata) {
+ _cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_hashmap_free_ Hashmap *names = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ char **i, *k;
+ void *v;
+ int r;
+
+ enum {
+ COLUMN_ACTIVATABLE,
+ COLUMN_NAME,
+ COLUMN_PID,
+ COLUMN_PROCESS,
+ COLUMN_USER,
+ COLUMN_CONNECTION,
+ COLUMN_UNIT,
+ COLUMN_SESSION,
+ COLUMN_DESCRIPTION,
+ COLUMN_MACHINE,
+ };
+
+ if (!arg_unique && !arg_acquired && !arg_activatable)
+ arg_unique = arg_acquired = arg_activatable = true;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_list_names(bus,
+ (arg_acquired || arg_unique) ? &acquired : NULL,
+ arg_activatable ? &activatable : NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list names: %m");
+
+ names = hashmap_new(&string_hash_ops);
+ if (!names)
+ return log_oom();
+
+ STRV_FOREACH(i, acquired) {
+ r = hashmap_put(names, *i, NAME_IS_ACQUIRED);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add to hashmap: %m");
+ }
+
+ STRV_FOREACH(i, activatable) {
+ r = hashmap_put(names, *i, NAME_IS_ACTIVATABLE);
+ if (r < 0 && r != -EEXIST)
+ return log_error_errno(r, "Failed to add to hashmap: %m");
+ }
+
+ table = table_new("activatable",
+ "name",
+ "pid",
+ "process",
+ "user",
+ "connection",
+ "unit",
+ "session",
+ "description",
+ "machine");
+ if (!table)
+ return log_oom();
+
+ if (arg_full)
+ table_set_width(table, 0);
+
+ r = table_set_align_percent(table, table_get_cell(table, 0, COLUMN_PID), 100);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set alignment: %m");
+
+ r = table_set_empty_string(table, "-");
+ if (r < 0)
+ return log_error_errno(r, "Failed to set empty string: %m");
+
+ r = table_set_sort(table, (size_t) COLUMN_NAME, (size_t) -1);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set sort column: %m");
+
+ if (arg_show_machine)
+ r = table_set_display(table, (size_t) COLUMN_NAME,
+ (size_t) COLUMN_PID,
+ (size_t) COLUMN_PROCESS,
+ (size_t) COLUMN_USER,
+ (size_t) COLUMN_CONNECTION,
+ (size_t) COLUMN_UNIT,
+ (size_t) COLUMN_SESSION,
+ (size_t) COLUMN_DESCRIPTION,
+ (size_t) COLUMN_MACHINE,
+ (size_t) -1);
+ else
+ r = table_set_display(table, (size_t) COLUMN_NAME,
+ (size_t) COLUMN_PID,
+ (size_t) COLUMN_PROCESS,
+ (size_t) COLUMN_USER,
+ (size_t) COLUMN_CONNECTION,
+ (size_t) COLUMN_UNIT,
+ (size_t) COLUMN_SESSION,
+ (size_t) COLUMN_DESCRIPTION,
+ (size_t) -1);
+
+ if (r < 0)
+ return log_error_errno(r, "Failed to set columns to display: %m");
+
+ table_set_header(table, arg_legend);
+
+ HASHMAP_FOREACH_KEY(v, k, names) {
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+
+ if (v == NAME_IS_ACTIVATABLE) {
+ r = table_add_many(
+ table,
+ TABLE_INT, PTR_TO_INT(v),
+ TABLE_STRING, k,
+ TABLE_EMPTY,
+ TABLE_EMPTY,
+ TABLE_EMPTY,
+ TABLE_STRING, "(activatable)", TABLE_SET_COLOR, ansi_grey(),
+ TABLE_EMPTY,
+ TABLE_EMPTY,
+ TABLE_EMPTY,
+ TABLE_EMPTY);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ continue;
+ }
+
+ assert(v == NAME_IS_ACQUIRED);
+
+ if (!arg_unique && k[0] == ':')
+ continue;
+
+ if (!arg_acquired && k[0] != ':')
+ continue;
+
+ r = table_add_many(table,
+ TABLE_INT, PTR_TO_INT(v),
+ TABLE_STRING, k);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = sd_bus_get_name_creds(
+ bus, k,
+ (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) |
+ SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID|SD_BUS_CREDS_COMM|
+ SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_SESSION|
+ SD_BUS_CREDS_DESCRIPTION, &creds);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to acquire credentials of service %s, ignoring: %m", k);
+
+ r = table_fill_empty(table, COLUMN_MACHINE);
+ } else {
+ const char *unique = NULL, *session = NULL, *unit = NULL, *cn = NULL;
+ pid_t pid;
+ uid_t uid;
+
+ r = sd_bus_creds_get_pid(creds, &pid);
+ if (r >= 0) {
+ const char *comm = NULL;
+
+ (void) sd_bus_creds_get_comm(creds, &comm);
+
+ r = table_add_many(table,
+ TABLE_PID, pid,
+ TABLE_STRING, strna(comm));
+ } else
+ r = table_add_many(table, TABLE_EMPTY, TABLE_EMPTY);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = sd_bus_creds_get_euid(creds, &uid);
+ if (r >= 0) {
+ _cleanup_free_ char *u = NULL;
+
+ u = uid_to_name(uid);
+ if (!u)
+ return log_oom();
+
+ r = table_add_cell(table, NULL, TABLE_STRING, u);
+ } else
+ r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ (void) sd_bus_creds_get_unique_name(creds, &unique);
+ (void) sd_bus_creds_get_unit(creds, &unit);
+ (void) sd_bus_creds_get_session(creds, &session);
+ (void) sd_bus_creds_get_description(creds, &cn);
+
+ r = table_add_many(
+ table,
+ TABLE_STRING, unique,
+ TABLE_STRING, unit,
+ TABLE_STRING, session,
+ TABLE_STRING, cn);
+ }
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (arg_show_machine) {
+ sd_id128_t mid;
+
+ r = sd_bus_get_name_machine_id(bus, k, &mid);
+ if (r < 0)
+ log_debug_errno(r, "Failed to acquire credentials of service %s, ignoring: %m", k);
+ else {
+ char m[SD_ID128_STRING_MAX];
+
+ r = table_add_cell(table, NULL, TABLE_STRING, sd_id128_to_string(mid, m));
+ if (r < 0)
+ return table_log_add_error(r);
+
+ continue; /* line fully filled, no need to fill the remainder below */
+ }
+ }
+
+ r = table_fill_empty(table, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to fill line: %m");
+ }
+
+ (void) pager_open(arg_pager_flags);
+
+ if (arg_json)
+ r = table_print_json(table, stdout,
+ (arg_json == JSON_PRETTY ? JSON_FORMAT_PRETTY : JSON_FORMAT_NEWLINE) | JSON_FORMAT_COLOR_AUTO);
+ else
+ r = table_print(table, stdout);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ return 0;
+}
+
+static void print_subtree(const char *prefix, const char *path, char **l) {
+ const char *vertical, *space;
+ char **n;
+
+ /* We assume the list is sorted. Let's first skip over the
+ * entry we are looking at. */
+ for (;;) {
+ if (!*l)
+ return;
+
+ if (!streq(*l, path))
+ break;
+
+ l++;
+ }
+
+ vertical = strjoina(prefix, special_glyph(SPECIAL_GLYPH_TREE_VERTICAL));
+ space = strjoina(prefix, special_glyph(SPECIAL_GLYPH_TREE_SPACE));
+
+ for (;;) {
+ bool has_more = false;
+
+ if (!*l || !path_startswith(*l, path))
+ break;
+
+ n = l + 1;
+ for (;;) {
+ if (!*n || !path_startswith(*n, path))
+ break;
+
+ if (!path_startswith(*n, *l)) {
+ has_more = true;
+ break;
+ }
+
+ n++;
+ }
+
+ printf("%s%s%s\n",
+ prefix,
+ special_glyph(has_more ? SPECIAL_GLYPH_TREE_BRANCH : SPECIAL_GLYPH_TREE_RIGHT),
+ *l);
+
+ print_subtree(has_more ? vertical : space, *l, l);
+ l = n;
+ }
+}
+
+static void print_tree(char **l) {
+ if (arg_list)
+ strv_print(l);
+ else if (strv_isempty(l))
+ printf("No objects discovered.\n");
+ else if (streq(l[0], "/") && !l[1])
+ printf("Only root object discovered.\n");
+ else
+ print_subtree("", "/", l);
+}
+
+static int on_path(const char *path, void *userdata) {
+ Set *paths = userdata;
+ int r;
+
+ assert(paths);
+
+ r = set_put_strdup(&paths, path);
+ if (r < 0)
+ return log_oom();
+
+ return 0;
+}
+
+static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *paths) {
+ static const XMLIntrospectOps ops = {
+ .on_path = on_path,
+ };
+
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_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, "");
+ if (r < 0) {
+ printf("%sFailed to introspect object %s of service %s: %s%s\n",
+ ansi_highlight_red(),
+ path, service, bus_error_message(&error, r),
+ ansi_normal());
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "s", &xml);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return parse_xml_introspect(path, xml, &ops, paths);
+}
+
+static int tree_one(sd_bus *bus, const char *service) {
+ _cleanup_set_free_ Set *paths = NULL, *done = NULL, *failed = NULL;
+ _cleanup_free_ char **l = NULL;
+ int r;
+
+ r = set_put_strdup(&paths, "/");
+ if (r < 0)
+ return log_oom();
+
+ done = set_new(&string_hash_ops_free);
+ if (!done)
+ return log_oom();
+
+ failed = set_new(&string_hash_ops_free);
+ if (!failed)
+ return log_oom();
+
+ for (;;) {
+ _cleanup_free_ char *p = NULL;
+ int q;
+
+ p = set_steal_first(paths);
+ if (!p)
+ break;
+
+ if (set_contains(done, p) ||
+ set_contains(failed, p))
+ continue;
+
+ q = find_nodes(bus, service, p, paths);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ q = set_consume(q < 0 ? failed : done, TAKE_PTR(p));
+ assert(q != 0);
+ if (q < 0)
+ return log_oom();
+ }
+
+ (void) pager_open(arg_pager_flags);
+
+ l = set_get_strv(done);
+ if (!l)
+ return log_oom();
+
+ strv_sort(l);
+ print_tree(l);
+
+ fflush(stdout);
+
+ return r;
+}
+
+static int tree(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ char **i;
+ int r;
+
+ /* Do superficial verification of arguments before even opening the bus */
+ STRV_FOREACH(i, strv_skip(argv, 1))
+ if (!sd_bus_service_name_is_valid(*i))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid bus service name: %s", *i);
+
+ if (!arg_unique && !arg_acquired)
+ arg_acquired = true;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ if (argc <= 1) {
+ _cleanup_strv_free_ char **names = NULL;
+ bool not_first = false;
+
+ r = sd_bus_list_names(bus, &names, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get name list: %m");
+
+ (void) pager_open(arg_pager_flags);
+
+ STRV_FOREACH(i, names) {
+ int q;
+
+ if (!arg_unique && (*i)[0] == ':')
+ continue;
+
+ if (!arg_acquired && (*i)[0] == ':')
+ continue;
+
+ if (not_first)
+ printf("\n");
+
+ printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
+
+ q = tree_one(bus, *i);
+ if (q < 0 && r >= 0)
+ r = q;
+
+ not_first = true;
+ }
+ } else
+ STRV_FOREACH(i, strv_skip(argv, 1)) {
+ int q;
+
+ if (i > argv+1)
+ printf("\n");
+
+ if (argv[2]) {
+ (void) pager_open(arg_pager_flags);
+ printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
+ }
+
+ q = tree_one(bus, *i);
+ if (q < 0 && r >= 0)
+ r = q;
+ }
+
+ return r;
+}
+
+static int format_cmdline(sd_bus_message *m, FILE *f, bool needs_space) {
+ int r;
+
+ for (;;) {
+ const char *contents = NULL;
+ char type;
+ union {
+ uint8_t u8;
+ uint16_t u16;
+ int16_t s16;
+ uint32_t u32;
+ int32_t s32;
+ uint64_t u64;
+ int64_t s64;
+ double d64;
+ const char *string;
+ int i;
+ } basic;
+
+ r = sd_bus_message_peek_type(m, &type, &contents);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return needs_space;
+
+ if (bus_type_is_container(type) > 0) {
+
+ r = sd_bus_message_enter_container(m, type, contents);
+ if (r < 0)
+ return r;
+
+ if (type == SD_BUS_TYPE_ARRAY) {
+ unsigned n = 0;
+
+ /* count array entries */
+ for (;;) {
+
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ n++;
+ }
+
+ r = sd_bus_message_rewind(m, false);
+ if (r < 0)
+ return r;
+
+ if (needs_space)
+ fputc(' ', f);
+
+ fprintf(f, "%u", n);
+ needs_space = true;
+
+ } else if (type == SD_BUS_TYPE_VARIANT) {
+
+ if (needs_space)
+ fputc(' ', f);
+
+ fprintf(f, "%s", contents);
+ needs_space = true;
+ }
+
+ r = format_cmdline(m, f, needs_space);
+ if (r < 0)
+ return r;
+
+ needs_space = r > 0;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ continue;
+ }
+
+ r = sd_bus_message_read_basic(m, type, &basic);
+ if (r < 0)
+ return r;
+
+ if (needs_space)
+ fputc(' ', f);
+
+ switch (type) {
+ case SD_BUS_TYPE_BYTE:
+ fprintf(f, "%u", basic.u8);
+ break;
+
+ case SD_BUS_TYPE_BOOLEAN:
+ fputs(true_false(basic.i), f);
+ break;
+
+ case SD_BUS_TYPE_INT16:
+ fprintf(f, "%i", basic.s16);
+ break;
+
+ case SD_BUS_TYPE_UINT16:
+ fprintf(f, "%u", basic.u16);
+ break;
+
+ case SD_BUS_TYPE_INT32:
+ fprintf(f, "%i", basic.s32);
+ break;
+
+ case SD_BUS_TYPE_UINT32:
+ fprintf(f, "%u", basic.u32);
+ break;
+
+ case SD_BUS_TYPE_INT64:
+ fprintf(f, "%" PRIi64, basic.s64);
+ break;
+
+ case SD_BUS_TYPE_UINT64:
+ fprintf(f, "%" PRIu64, basic.u64);
+ break;
+
+ case SD_BUS_TYPE_DOUBLE:
+ fprintf(f, "%g", basic.d64);
+ break;
+
+ case SD_BUS_TYPE_STRING:
+ case SD_BUS_TYPE_OBJECT_PATH:
+ case SD_BUS_TYPE_SIGNATURE: {
+ _cleanup_free_ char *b = NULL;
+
+ b = cescape(basic.string);
+ if (!b)
+ return -ENOMEM;
+
+ fprintf(f, "\"%s\"", b);
+ break;
+ }
+
+ case SD_BUS_TYPE_UNIX_FD:
+ fprintf(f, "%i", basic.i);
+ break;
+
+ default:
+ assert_not_reached("Unknown basic type.");
+ }
+
+ needs_space = true;
+ }
+}
+
+typedef struct Member {
+ const char *type;
+ char *interface;
+ char *name;
+ char *signature;
+ char *result;
+ char *value;
+ bool writable;
+ uint64_t flags;
+} Member;
+
+static void member_hash_func(const Member *m, struct siphash *state) {
+ uint64_t arity = 1;
+
+ assert(m);
+ assert(m->type);
+
+ string_hash_func(m->type, state);
+
+ arity += !!m->name + !!m->interface;
+
+ uint64_hash_func(&arity, state);
+
+ if (m->name)
+ string_hash_func(m->name, state);
+
+ if (m->interface)
+ string_hash_func(m->interface, state);
+}
+
+static int member_compare_func(const Member *x, const Member *y) {
+ int d;
+
+ assert(x);
+ assert(y);
+ assert(x->type);
+ assert(y->type);
+
+ d = strcmp_ptr(x->interface, y->interface);
+ if (d != 0)
+ return d;
+
+ d = strcmp(x->type, y->type);
+ if (d != 0)
+ return d;
+
+ return strcmp_ptr(x->name, y->name);
+}
+
+static int member_compare_funcp(Member * const *a, Member * const *b) {
+ return member_compare_func(*a, *b);
+}
+
+static void member_free(Member *m) {
+ if (!m)
+ return;
+
+ free(m->interface);
+ free(m->name);
+ free(m->signature);
+ free(m->result);
+ free(m->value);
+ free(m);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Member*, member_free);
+
+static void member_set_free(Set *s) {
+ set_free_with_destructor(s, member_free);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Set*, member_set_free);
+
+static int on_interface(const char *interface, uint64_t flags, void *userdata) {
+ _cleanup_(member_freep) Member *m;
+ Set *members = userdata;
+ int r;
+
+ assert(interface);
+ assert(members);
+
+ m = new(Member, 1);
+ if (!m)
+ return log_oom();
+
+ *m = (Member) {
+ .type = "interface",
+ .flags = flags,
+ };
+
+ r = free_and_strdup(&m->interface, interface);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(members, m);
+ if (r == -EEXIST)
+ return log_error_errno(r, "Invalid introspection data: duplicate interface '%s'.", interface);
+ if (r < 0)
+ return log_oom();
+
+ m = NULL;
+ return 0;
+}
+
+static int on_method(const char *interface, const char *name, const char *signature, const char *result, uint64_t flags, void *userdata) {
+ _cleanup_(member_freep) Member *m;
+ Set *members = userdata;
+ int r;
+
+ assert(interface);
+ assert(name);
+
+ m = new(Member, 1);
+ if (!m)
+ return log_oom();
+
+ *m = (Member) {
+ .type = "method",
+ .flags = flags,
+ };
+
+ r = free_and_strdup(&m->interface, interface);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->name, name);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->signature, signature);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->result, result);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(members, m);
+ if (r == -EEXIST)
+ return log_error_errno(r, "Invalid introspection data: duplicate method '%s' on interface '%s'.", name, interface);
+ if (r < 0)
+ return log_oom();
+
+ m = NULL;
+ return 0;
+}
+
+static int on_signal(const char *interface, const char *name, const char *signature, uint64_t flags, void *userdata) {
+ _cleanup_(member_freep) Member *m;
+ Set *members = userdata;
+ int r;
+
+ assert(interface);
+ assert(name);
+
+ m = new(Member, 1);
+ if (!m)
+ return log_oom();
+
+ *m = (Member) {
+ .type = "signal",
+ .flags = flags,
+ };
+
+ r = free_and_strdup(&m->interface, interface);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->name, name);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->signature, signature);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(members, m);
+ if (r == -EEXIST)
+ return log_error_errno(r, "Invalid introspection data: duplicate signal '%s' on interface '%s'.", name, interface);
+ if (r < 0)
+ return log_oom();
+
+ m = NULL;
+ return 0;
+}
+
+static int on_property(const char *interface, const char *name, const char *signature, bool writable, uint64_t flags, void *userdata) {
+ _cleanup_(member_freep) Member *m;
+ Set *members = userdata;
+ int r;
+
+ assert(interface);
+ assert(name);
+
+ m = new(Member, 1);
+ if (!m)
+ return log_oom();
+
+ *m = (Member) {
+ .type = "property",
+ .flags = flags,
+ .writable = writable,
+ };
+
+ r = free_and_strdup(&m->interface, interface);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->name, name);
+ if (r < 0)
+ return log_oom();
+
+ r = free_and_strdup(&m->signature, signature);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put(members, m);
+ if (r == -EEXIST)
+ return log_error_errno(r, "Invalid introspection data: duplicate property '%s' on interface '%s'.", name, interface);
+ if (r < 0)
+ return log_oom();
+
+ m = NULL;
+ return 0;
+}
+
+DEFINE_PRIVATE_HASH_OPS(member_hash_ops, Member, member_hash_func, member_compare_func);
+
+static int introspect(int argc, char **argv, void *userdata) {
+ static const XMLIntrospectOps ops = {
+ .on_interface = on_interface,
+ .on_method = on_method,
+ .on_signal = on_signal,
+ .on_property = on_property,
+ };
+
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_xml = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(member_set_freep) Set *members = NULL;
+ unsigned name_width, type_width, signature_width, result_width, j, k = 0;
+ Member *m, **sorted = NULL;
+ const char *xml;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ members = set_new(&member_hash_ops);
+ if (!members)
+ return log_oom();
+
+ r = sd_bus_call_method(bus, argv[1], argv[2],
+ "org.freedesktop.DBus.Introspectable", "Introspect",
+ &error, &reply_xml, "");
+ if (r < 0)
+ return log_error_errno(r, "Failed to introspect object %s of service %s: %s",
+ argv[2], argv[1], bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply_xml, "s", &xml);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_xml_interface) {
+ /* Just dump the received XML and finish */
+ (void) pager_open(arg_pager_flags);
+ puts(xml);
+ return 0;
+ }
+
+ /* First, get list of all properties */
+ r = parse_xml_introspect(argv[2], xml, &ops, members);
+ if (r < 0)
+ return r;
+
+ /* Second, find the current values for them */
+ SET_FOREACH(m, members) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+
+ if (!streq(m->type, "property"))
+ continue;
+
+ if (m->value)
+ continue;
+
+ if (argv[3] && !streq(argv[3], m->interface))
+ continue;
+
+ r = sd_bus_call_method(bus, argv[1], argv[2],
+ "org.freedesktop.DBus.Properties", "GetAll",
+ &error, &reply, "s", m->interface);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get all properties on interface %s: %s",
+ m->interface, bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, 'a', "{sv}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ for (;;) {
+ Member *z;
+ _cleanup_free_ char *buf = NULL;
+ _cleanup_fclose_ FILE *mf = NULL;
+ size_t sz = 0;
+ const char *name;
+
+ r = sd_bus_message_enter_container(reply, 'e', "sv");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (r == 0)
+ break;
+
+ r = sd_bus_message_read(reply, "s", &name);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, 'v', NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ mf = open_memstream_unlocked(&buf, &sz);
+ if (!mf)
+ return log_oom();
+
+ r = format_cmdline(reply, mf, false);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ mf = safe_fclose(mf);
+
+ z = set_get(members, &((Member) {
+ .type = "property",
+ .interface = m->interface,
+ .name = (char*) name }));
+ if (z)
+ free_and_replace(z->value, buf);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ name_width = strlen("NAME");
+ type_width = strlen("TYPE");
+ signature_width = strlen("SIGNATURE");
+ result_width = strlen("RESULT/VALUE");
+
+ sorted = newa(Member*, set_size(members));
+
+ SET_FOREACH(m, members) {
+ if (argv[3] && !streq(argv[3], m->interface))
+ continue;
+
+ if (m->interface)
+ name_width = MAX(name_width, strlen(m->interface));
+ if (m->name)
+ name_width = MAX(name_width, strlen(m->name) + 1);
+ if (m->type)
+ type_width = MAX(type_width, strlen(m->type));
+ if (m->signature)
+ signature_width = MAX(signature_width, strlen(m->signature));
+ if (m->result)
+ result_width = MAX(result_width, strlen(m->result));
+ if (m->value)
+ result_width = MAX(result_width, strlen(m->value));
+
+ sorted[k++] = m;
+ }
+
+ if (result_width > 40)
+ result_width = 40;
+
+ typesafe_qsort(sorted, k, member_compare_funcp);
+
+ (void) pager_open(arg_pager_flags);
+
+ if (arg_legend)
+ printf("%-*s %-*s %-*s %-*s %s\n",
+ (int) name_width, "NAME",
+ (int) type_width, "TYPE",
+ (int) signature_width, "SIGNATURE",
+ (int) result_width, "RESULT/VALUE",
+ "FLAGS");
+
+ for (j = 0; j < k; j++) {
+ _cleanup_free_ char *ellipsized = NULL;
+ const char *rv;
+ bool is_interface;
+
+ m = sorted[j];
+
+ if (argv[3] && !streq(argv[3], m->interface))
+ continue;
+
+ is_interface = streq(m->type, "interface");
+
+ if (argv[3] && is_interface)
+ continue;
+
+ if (m->value) {
+ ellipsized = ellipsize(m->value, result_width, 100);
+ if (!ellipsized)
+ return log_oom();
+
+ rv = ellipsized;
+ } else
+ rv = empty_to_dash(m->result);
+
+ printf("%s%s%-*s%s %-*s %-*s %-*s%s%s%s%s%s%s\n",
+ is_interface ? ansi_highlight() : "",
+ is_interface ? "" : ".",
+ - !is_interface + (int) name_width,
+ empty_to_dash(streq_ptr(m->type, "interface") ? m->interface : m->name),
+ is_interface ? ansi_normal() : "",
+ (int) type_width, empty_to_dash(m->type),
+ (int) signature_width, empty_to_dash(m->signature),
+ (int) result_width, rv,
+ (m->flags & SD_BUS_VTABLE_DEPRECATED) ? " deprecated" : (m->flags || m->writable ? "" : " -"),
+ (m->flags & SD_BUS_VTABLE_METHOD_NO_REPLY) ? " no-reply" : "",
+ (m->flags & SD_BUS_VTABLE_PROPERTY_CONST) ? " const" : "",
+ (m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) ? " emits-change" : "",
+ (m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) ? " emits-invalidation" : "",
+ m->writable ? " writable" : "");
+ }
+
+ return 0;
+}
+
+static int message_dump(sd_bus_message *m, FILE *f) {
+ return sd_bus_message_dump(m, f, SD_BUS_MESSAGE_DUMP_WITH_HEADER);
+}
+
+static int message_pcap(sd_bus_message *m, FILE *f) {
+ return bus_message_pcap_frame(m, arg_snaplen, f);
+}
+
+static int message_json(sd_bus_message *m, FILE *f) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL, *w = NULL;
+ char e[2];
+ int r;
+
+ r = json_transform_message(m, &v);
+ if (r < 0)
+ return r;
+
+ e[0] = m->header->endian;
+ e[1] = 0;
+
+ r = json_build(&w, JSON_BUILD_OBJECT(
+ JSON_BUILD_PAIR("type", JSON_BUILD_STRING(bus_message_type_to_string(m->header->type))),
+ JSON_BUILD_PAIR("endian", JSON_BUILD_STRING(e)),
+ JSON_BUILD_PAIR("flags", JSON_BUILD_INTEGER(m->header->flags)),
+ JSON_BUILD_PAIR("version", JSON_BUILD_INTEGER(m->header->version)),
+ JSON_BUILD_PAIR("cookie", JSON_BUILD_INTEGER(BUS_MESSAGE_COOKIE(m))),
+ JSON_BUILD_PAIR_CONDITION(m->reply_cookie != 0, "reply_cookie", JSON_BUILD_INTEGER(m->reply_cookie)),
+ JSON_BUILD_PAIR_CONDITION(m->sender, "sender", JSON_BUILD_STRING(m->sender)),
+ JSON_BUILD_PAIR_CONDITION(m->destination, "destination", JSON_BUILD_STRING(m->destination)),
+ JSON_BUILD_PAIR_CONDITION(m->path, "path", JSON_BUILD_STRING(m->path)),
+ JSON_BUILD_PAIR_CONDITION(m->interface, "interface", JSON_BUILD_STRING(m->interface)),
+ JSON_BUILD_PAIR_CONDITION(m->member, "member", JSON_BUILD_STRING(m->member)),
+ JSON_BUILD_PAIR_CONDITION(m->monotonic != 0, "monotonic", JSON_BUILD_INTEGER(m->monotonic)),
+ JSON_BUILD_PAIR_CONDITION(m->realtime != 0, "realtime", JSON_BUILD_INTEGER(m->realtime)),
+ JSON_BUILD_PAIR_CONDITION(m->seqnum != 0, "seqnum", JSON_BUILD_INTEGER(m->seqnum)),
+ JSON_BUILD_PAIR_CONDITION(m->error.name, "error_name", JSON_BUILD_STRING(m->error.name)),
+ JSON_BUILD_PAIR("payload", JSON_BUILD_VARIANT(v))));
+ if (r < 0)
+ return log_error_errno(r, "Failed to build JSON object: %m");
+
+ json_dump_with_flags(w, f);
+ return 0;
+}
+
+static int monitor(int argc, char **argv, int (*dump)(sd_bus_message *m, FILE *f)) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ char **i;
+ uint32_t flags = 0;
+ const char *unique_name;
+ bool is_monitor = false;
+ int r;
+
+ r = acquire_bus(true, &bus);
+ if (r < 0)
+ return r;
+
+ /* upgrade connection; it's not used for anything else after this call */
+ r = sd_bus_message_new_method_call(bus,
+ &message,
+ "org.freedesktop.DBus",
+ "/org/freedesktop/DBus",
+ "org.freedesktop.DBus.Monitoring",
+ "BecomeMonitor");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(message, 'a', "s");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ STRV_FOREACH(i, argv+1) {
+ _cleanup_free_ char *m = NULL;
+
+ if (!sd_bus_service_name_is_valid(*i))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid service name '%s'", *i);
+
+ m = strjoin("sender='", *i, "'");
+ if (!m)
+ return log_oom();
+
+ r = sd_bus_message_append_basic(message, 's', m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ free(m);
+ m = strjoin("destination='", *i, "'");
+ if (!m)
+ return log_oom();
+
+ r = sd_bus_message_append_basic(message, 's', m);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ STRV_FOREACH(i, arg_matches) {
+ r = sd_bus_message_append_basic(message, 's', *i);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_message_close_container(message);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_basic(message, 'u', &flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, message, arg_timeout, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Call to org.freedesktop.DBus.Monitoring.BecomeMonitor failed: %s",
+ bus_error_message(&error, r));
+
+ r = sd_bus_get_unique_name(bus, &unique_name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get unique name: %m");
+
+ log_info("Monitoring bus message stream.");
+
+ for (;;) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+
+ r = sd_bus_process(bus, &m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to process bus: %m");
+
+ if (!is_monitor) {
+ const char *name;
+
+ /* wait until we lose our unique name */
+ if (sd_bus_message_is_signal(m, "org.freedesktop.DBus", "NameLost") <= 0)
+ continue;
+
+ r = sd_bus_message_read(m, "s", &name);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (streq(name, unique_name))
+ is_monitor = true;
+
+ continue;
+ }
+
+ if (m) {
+ dump(m, stdout);
+ fflush(stdout);
+
+ if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected") > 0) {
+ log_info("Connection terminated, exiting.");
+ return 0;
+ }
+
+ continue;
+ }
+
+ if (r > 0)
+ continue;
+
+ r = sd_bus_wait(bus, (uint64_t) -1);
+ if (r < 0)
+ return log_error_errno(r, "Failed to wait for bus: %m");
+ }
+}
+
+static int verb_monitor(int argc, char **argv, void *userdata) {
+ return monitor(argc, argv, arg_json != JSON_OFF ? message_json : message_dump);
+}
+
+static int verb_capture(int argc, char **argv, void *userdata) {
+ int r;
+
+ if (isatty(fileno(stdout)) > 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Refusing to write message data to console, please redirect output to a file.");
+
+ bus_pcap_header(arg_snaplen, stdout);
+
+ r = monitor(argc, argv, message_pcap);
+ if (r < 0)
+ return r;
+
+ r = fflush_and_check(stdout);
+ if (r < 0)
+ return log_error_errno(r, "Couldn't write capture file: %m");
+
+ return r;
+}
+
+static int status(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+ pid_t pid;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ (void) pager_open(arg_pager_flags);
+
+ if (!isempty(argv[1])) {
+ r = parse_pid(argv[1], &pid);
+ if (r < 0)
+ r = sd_bus_get_name_creds(
+ bus,
+ argv[1],
+ (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
+ &creds);
+ else
+ r = sd_bus_creds_new_from_pid(
+ &creds,
+ pid,
+ _SD_BUS_CREDS_ALL);
+ } else {
+ const char *scope, *address;
+ sd_id128_t bus_id;
+
+ r = sd_bus_get_address(bus, &address);
+ if (r >= 0)
+ printf("BusAddress=%s%s%s\n", ansi_highlight(), address, ansi_normal());
+
+ r = sd_bus_get_scope(bus, &scope);
+ if (r >= 0)
+ printf("BusScope=%s%s%s\n", ansi_highlight(), scope, ansi_normal());
+
+ r = sd_bus_get_bus_id(bus, &bus_id);
+ if (r >= 0)
+ printf("BusID=%s" SD_ID128_FORMAT_STR "%s\n",
+ ansi_highlight(), SD_ID128_FORMAT_VAL(bus_id), ansi_normal());
+
+ r = sd_bus_get_owner_creds(
+ bus,
+ (arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
+ &creds);
+ }
+
+ if (r < 0)
+ return log_error_errno(r, "Failed to get credentials: %m");
+
+ bus_creds_dump(creds, NULL, false);
+ return 0;
+}
+
+static int message_append_cmdline(sd_bus_message *m, const char *signature, char ***x) {
+ char **p;
+ int r;
+
+ assert(m);
+ assert(signature);
+ assert(x);
+
+ p = *x;
+
+ for (;;) {
+ const char *v;
+ char t;
+
+ t = *signature;
+ v = *p;
+
+ if (t == 0)
+ break;
+ if (!v)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Too few parameters for signature.");
+
+ signature++;
+ p++;
+
+ switch (t) {
+
+ case SD_BUS_TYPE_BOOLEAN:
+
+ r = parse_boolean(v);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as boolean: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &r);
+ break;
+
+ case SD_BUS_TYPE_BYTE: {
+ uint8_t z;
+
+ r = safe_atou8(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as byte (unsigned 8bit integer): %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_INT16: {
+ int16_t z;
+
+ r = safe_atoi16(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as signed 16bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT16: {
+ uint16_t z;
+
+ r = safe_atou16(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as unsigned 16bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_INT32: {
+ int32_t z;
+
+ r = safe_atoi32(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as signed 32bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT32: {
+ uint32_t z;
+
+ r = safe_atou32(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as unsigned 32bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_INT64: {
+ int64_t z;
+
+ r = safe_atoi64(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as signed 64bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT64: {
+ uint64_t z;
+
+ r = safe_atou64(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as unsigned 64bit integer: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_DOUBLE: {
+ double z;
+
+ r = safe_atod(v, &z);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' as double precision floating point: %m", v);
+
+ r = sd_bus_message_append_basic(m, t, &z);
+ break;
+ }
+
+ case SD_BUS_TYPE_STRING:
+ case SD_BUS_TYPE_OBJECT_PATH:
+ case SD_BUS_TYPE_SIGNATURE:
+
+ r = sd_bus_message_append_basic(m, t, v);
+ break;
+
+ case SD_BUS_TYPE_ARRAY: {
+ uint32_t n;
+ size_t k;
+
+ r = safe_atou32(v, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse '%s' number of array entries: %m", v);
+
+ r = signature_element_length(signature, &k);
+ if (r < 0)
+ return log_error_errno(r, "Invalid array signature: %m");
+
+ {
+ char s[k + 1];
+ memcpy(s, signature, k);
+ s[k] = 0;
+
+ r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, s);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ for (unsigned i = 0; i < n; i++) {
+ r = message_append_cmdline(m, s, &p);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ signature += k;
+
+ r = sd_bus_message_close_container(m);
+ break;
+ }
+
+ case SD_BUS_TYPE_VARIANT:
+ r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT, v);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = message_append_cmdline(m, v, &p);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ break;
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+ case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
+ size_t k;
+
+ signature--;
+ p--;
+
+ r = signature_element_length(signature, &k);
+ if (r < 0)
+ return log_error_errno(r, "Invalid struct/dict entry signature: %m");
+
+ {
+ char s[k-1];
+ memcpy(s, signature + 1, k - 2);
+ s[k - 2] = 0;
+
+ const char ctype = t == SD_BUS_TYPE_STRUCT_BEGIN ?
+ SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY;
+ r = sd_bus_message_open_container(m, ctype, s);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = message_append_cmdline(m, s, &p);
+ if (r < 0)
+ return r;
+ }
+
+ signature += k;
+
+ r = sd_bus_message_close_container(m);
+ break;
+ }
+
+ case SD_BUS_TYPE_UNIX_FD:
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "UNIX file descriptor not supported as type.");
+
+ default:
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown signature type %c.", t);
+ }
+
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ *x = p;
+ return 0;
+}
+
+static int json_transform_one(sd_bus_message *m, JsonVariant **ret);
+
+static int json_transform_array_or_struct(sd_bus_message *m, JsonVariant **ret) {
+ size_t n_elements = 0, n_allocated = 0;
+ JsonVariant **elements = NULL;
+ int r;
+
+ assert(m);
+ assert(ret);
+
+ for (;;) {
+ r = sd_bus_message_at_end(m, false);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto finish;
+ }
+ if (r > 0)
+ break;
+
+ if (!GREEDY_REALLOC(elements, n_allocated, n_elements + 1)) {
+ r = log_oom();
+ goto finish;
+ }
+
+ r = json_transform_one(m, elements + n_elements);
+ if (r < 0)
+ goto finish;
+
+ n_elements++;
+ }
+
+ r = json_variant_new_array(ret, elements, n_elements);
+
+finish:
+ json_variant_unref_many(elements, n_elements);
+ free(elements);
+
+ return r;
+}
+
+static int json_transform_variant(sd_bus_message *m, const char *contents, JsonVariant **ret) {
+ _cleanup_(json_variant_unrefp) JsonVariant *value = NULL;
+ int r;
+
+ assert(m);
+ assert(contents);
+ assert(ret);
+
+ r = json_transform_one(m, &value);
+ if (r < 0)
+ return r;
+
+ r = json_build(ret, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(contents)),
+ JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(value))));
+ if (r < 0)
+ return log_oom();
+
+ return r;
+}
+
+static int json_transform_dict_array(sd_bus_message *m, JsonVariant **ret) {
+ size_t n_elements = 0, n_allocated = 0;
+ JsonVariant **elements = NULL;
+ int r;
+
+ assert(m);
+ assert(ret);
+
+ for (;;) {
+ const char *contents;
+ char type;
+
+ r = sd_bus_message_at_end(m, false);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto finish;
+ }
+ if (r > 0)
+ break;
+
+ r = sd_bus_message_peek_type(m, &type, &contents);
+ if (r < 0)
+ return r;
+
+ assert(type == 'e');
+
+ if (!GREEDY_REALLOC(elements, n_allocated, n_elements + 2)) {
+ r = log_oom();
+ goto finish;
+ }
+
+ r = sd_bus_message_enter_container(m, type, contents);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto finish;
+ }
+
+ r = json_transform_one(m, elements + n_elements);
+ if (r < 0)
+ goto finish;
+
+ n_elements++;
+
+ r = json_transform_one(m, elements + n_elements);
+ if (r < 0)
+ goto finish;
+
+ n_elements++;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto finish;
+ }
+ }
+
+ r = json_variant_new_object(ret, elements, n_elements);
+
+finish:
+ json_variant_unref_many(elements, n_elements);
+ free(elements);
+
+ return r;
+}
+
+static int json_transform_one(sd_bus_message *m, JsonVariant **ret) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ const char *contents;
+ char type;
+ int r;
+
+ assert(m);
+ assert(ret);
+
+ r = sd_bus_message_peek_type(m, &type, &contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ switch (type) {
+
+ case SD_BUS_TYPE_BYTE: {
+ uint8_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_unsigned(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform byte: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_BOOLEAN: {
+ int b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_boolean(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform boolean: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_INT16: {
+ int16_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_integer(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform int16: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT16: {
+ uint16_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_unsigned(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform uint16: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_INT32: {
+ int32_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_integer(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform int32: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT32: {
+ uint32_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_unsigned(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform uint32: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_INT64: {
+ int64_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_integer(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform int64: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UINT64: {
+ uint64_t b;
+
+ r = sd_bus_message_read_basic(m, type, &b);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_unsigned(&v, b);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform uint64: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_DOUBLE: {
+ double d;
+
+ r = sd_bus_message_read_basic(m, type, &d);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_real(&v, d);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform double: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_STRING:
+ case SD_BUS_TYPE_OBJECT_PATH:
+ case SD_BUS_TYPE_SIGNATURE: {
+ const char *s;
+
+ r = sd_bus_message_read_basic(m, type, &s);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_string(&v, s);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform double: %m");
+
+ break;
+ }
+
+ case SD_BUS_TYPE_UNIX_FD:
+ r = sd_bus_message_read_basic(m, type, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = json_variant_new_null(&v);
+ if (r < 0)
+ return log_error_errno(r, "Failed to transform fd: %m");
+
+ break;
+
+ case SD_BUS_TYPE_ARRAY:
+ case SD_BUS_TYPE_VARIANT:
+ case SD_BUS_TYPE_STRUCT:
+ r = sd_bus_message_enter_container(m, type, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (type == SD_BUS_TYPE_VARIANT)
+ r = json_transform_variant(m, contents, &v);
+ else if (type == SD_BUS_TYPE_ARRAY && contents[0] == '{')
+ r = json_transform_dict_array(m, &v);
+ else
+ r = json_transform_array_or_struct(m, &v);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ break;
+
+ default:
+ assert_not_reached("Unexpected element type");
+ }
+
+ *ret = TAKE_PTR(v);
+ return 0;
+}
+
+static int json_transform_message(sd_bus_message *m, JsonVariant **ret) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ const char *type;
+ int r;
+
+ assert(m);
+ assert(ret);
+
+ assert_se(type = sd_bus_message_get_signature(m, false));
+
+ r = json_transform_array_or_struct(m, &v);
+ if (r < 0)
+ return r;
+
+ r = json_build(ret, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(type)),
+ JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(v))));
+ if (r < 0)
+ return log_oom();
+
+ return 0;
+}
+
+static void json_dump_with_flags(JsonVariant *v, FILE *f) {
+
+ json_variant_dump(v,
+ (arg_json == JSON_PRETTY ? JSON_FORMAT_PRETTY : JSON_FORMAT_NEWLINE) |
+ JSON_FORMAT_COLOR_AUTO,
+ f, NULL);
+}
+
+static int call(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2], argv[3], argv[4]);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_expect_reply(m, arg_expect_reply);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_auto_start(m, arg_auto_start);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_set_allow_interactive_authorization(m, arg_allow_interactive_authorization);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (!isempty(argv[5])) {
+ char **p;
+
+ p = argv+6;
+
+ r = message_append_cmdline(m, argv[5], &p);
+ if (r < 0)
+ return r;
+
+ if (*p)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Too many parameters for signature.");
+ }
+
+ if (!arg_expect_reply) {
+ r = sd_bus_send(bus, m, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to send message: %m");
+
+ return 0;
+ }
+
+ r = sd_bus_call(bus, m, arg_timeout, &error, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Call failed: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_is_empty(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (r == 0 && !arg_quiet) {
+
+ if (arg_json != JSON_OFF) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+
+ if (arg_json != JSON_SHORT)
+ (void) pager_open(arg_pager_flags);
+
+ r = json_transform_message(reply, &v);
+ if (r < 0)
+ return r;
+
+ json_dump_with_flags(v, stdout);
+
+ } else if (arg_verbose) {
+ (void) pager_open(arg_pager_flags);
+
+ r = sd_bus_message_dump(reply, stdout, 0);
+ if (r < 0)
+ return r;
+ } else {
+
+ fputs(sd_bus_message_get_signature(reply, true), stdout);
+ fputc(' ', stdout);
+
+ r = format_cmdline(reply, stdout, false);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ fputc('\n', stdout);
+ }
+ }
+
+ return 0;
+}
+
+static int emit_signal(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_signal(bus, &m, argv[1], argv[2], argv[3]);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (arg_destination) {
+ r = sd_bus_message_set_destination(m, arg_destination);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+
+ r = sd_bus_message_set_auto_start(m, arg_auto_start);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (!isempty(argv[4])) {
+ char **p;
+
+ p = argv+5;
+
+ r = message_append_cmdline(m, argv[4], &p);
+ if (r < 0)
+ return r;
+
+ if (*p)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Too many parameters for signature.");
+ }
+
+ r = sd_bus_send(bus, m, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to send signal: %m");
+
+ return 0;
+}
+
+static int get_property(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ char **i;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, argv + 4) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *contents = NULL;
+ char type;
+
+ r = sd_bus_call_method(bus, argv[1], argv[2],
+ "org.freedesktop.DBus.Properties", "Get",
+ &error, &reply, "ss", argv[3], *i);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get property %s on interface %s: %s",
+ *i, argv[3],
+ bus_error_message(&error, r));
+
+ r = sd_bus_message_peek_type(reply, &type, &contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, 'v', contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_json != JSON_OFF) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+
+ if (arg_json != JSON_SHORT)
+ (void) pager_open(arg_pager_flags);
+
+ r = json_transform_variant(reply, contents, &v);
+ if (r < 0)
+ return r;
+
+ json_dump_with_flags(v, stdout);
+
+ } else if (arg_verbose) {
+ (void) pager_open(arg_pager_flags);
+
+ r = sd_bus_message_dump(reply, stdout, SD_BUS_MESSAGE_DUMP_SUBTREE_ONLY);
+ if (r < 0)
+ return r;
+ } else {
+ fputs(contents, stdout);
+ fputc(' ', stdout);
+
+ r = format_cmdline(reply, stdout, false);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ fputc('\n', stdout);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
+
+ return 0;
+}
+
+static int set_property(int argc, char **argv, void *userdata) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ char **p;
+ int r;
+
+ r = acquire_bus(false, &bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2],
+ "org.freedesktop.DBus.Properties", "Set");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(m, "ss", argv[3], argv[4]);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'v', argv[5]);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ p = argv + 6;
+ r = message_append_cmdline(m, argv[5], &p);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (*p)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Too many parameters for signature.");
+
+ r = sd_bus_call(bus, m, arg_timeout, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set property %s on interface %s: %s",
+ argv[4], argv[3],
+ bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("busctl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "%sIntrospect the D-Bus IPC bus.%s\n"
+ "\nCommands:\n"
+ " list List bus names\n"
+ " status [SERVICE] Show bus service, process or bus owner credentials\n"
+ " monitor [SERVICE...] Show bus traffic\n"
+ " capture [SERVICE...] Capture bus traffic as pcap\n"
+ " tree [SERVICE...] Show object tree of service\n"
+ " introspect SERVICE OBJECT [INTERFACE]\n"
+ " call SERVICE OBJECT INTERFACE METHOD [SIGNATURE [ARGUMENT...]]\n"
+ " Call a method\n"
+ " emit OBJECT INTERFACE SIGNAL [SIGNATURE [ARGUMENT...]]\n"
+ " Emit a signal\n"
+ " get-property SERVICE OBJECT INTERFACE PROPERTY...\n"
+ " Get property value\n"
+ " set-property SERVICE OBJECT INTERFACE PROPERTY SIGNATURE ARGUMENT...\n"
+ " Set property value\n"
+ " help Show this help\n"
+ "\nOptions:\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
+ " -l --full Do not ellipsize output\n"
+ " --system Connect to system bus\n"
+ " --user Connect to user bus\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " --address=ADDRESS Connect to bus specified by address\n"
+ " --show-machine Show machine ID column in list\n"
+ " --unique Only show unique names\n"
+ " --acquired Only show acquired names\n"
+ " --activatable Only show activatable names\n"
+ " --match=MATCH Only show matching messages\n"
+ " --size=SIZE Maximum length of captured packet\n"
+ " --list Don't show tree, but simple object path list\n"
+ " -q --quiet Don't show method call reply\n"
+ " --verbose Show result values in long format\n"
+ " --json=MODE Output as JSON\n"
+ " -j Same as --json=pretty on tty, --json=short otherwise\n"
+ " --expect-reply=BOOL Expect a method call reply\n"
+ " --auto-start=BOOL Auto-start destination service\n"
+ " --allow-interactive-authorization=BOOL\n"
+ " Allow interactive authorization for operation\n"
+ " --timeout=SECS Maximum time to wait for method call completion\n"
+ " --augment-creds=BOOL Extend credential data with data read from /proc/$PID\n"
+ " --watch-bind=BOOL Wait for bus AF_UNIX socket to be bound in the file\n"
+ " system\n"
+ " --destination=SERVICE Destination service of a signal\n"
+ "\nSee the %s for details.\n"
+ , program_invocation_short_name
+ , ansi_highlight()
+ , ansi_normal()
+ , link
+ );
+
+ return 0;
+}
+
+static int verb_help(int argc, char **argv, void *userdata) {
+ return help();
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_SYSTEM,
+ ARG_USER,
+ ARG_ADDRESS,
+ ARG_MATCH,
+ ARG_SHOW_MACHINE,
+ ARG_UNIQUE,
+ ARG_ACQUIRED,
+ ARG_ACTIVATABLE,
+ ARG_SIZE,
+ ARG_LIST,
+ ARG_VERBOSE,
+ ARG_XML_INTERFACE,
+ ARG_EXPECT_REPLY,
+ ARG_AUTO_START,
+ ARG_ALLOW_INTERACTIVE_AUTHORIZATION,
+ ARG_TIMEOUT,
+ ARG_AUGMENT_CREDS,
+ ARG_WATCH_BIND,
+ ARG_JSON,
+ ARG_DESTINATION,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "full", no_argument, NULL, 'l' },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "user", no_argument, NULL, ARG_USER },
+ { "address", required_argument, NULL, ARG_ADDRESS },
+ { "show-machine", no_argument, NULL, ARG_SHOW_MACHINE },
+ { "unique", no_argument, NULL, ARG_UNIQUE },
+ { "acquired", no_argument, NULL, ARG_ACQUIRED },
+ { "activatable", no_argument, NULL, ARG_ACTIVATABLE },
+ { "match", required_argument, NULL, ARG_MATCH },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "size", required_argument, NULL, ARG_SIZE },
+ { "list", no_argument, NULL, ARG_LIST },
+ { "quiet", no_argument, NULL, 'q' },
+ { "verbose", no_argument, NULL, ARG_VERBOSE },
+ { "xml-interface", no_argument, NULL, ARG_XML_INTERFACE },
+ { "expect-reply", required_argument, NULL, ARG_EXPECT_REPLY },
+ { "auto-start", required_argument, NULL, ARG_AUTO_START },
+ { "allow-interactive-authorization", required_argument, NULL, ARG_ALLOW_INTERACTIVE_AUTHORIZATION },
+ { "timeout", required_argument, NULL, ARG_TIMEOUT },
+ { "augment-creds", required_argument, NULL, ARG_AUGMENT_CREDS },
+ { "watch-bind", required_argument, NULL, ARG_WATCH_BIND },
+ { "json", required_argument, NULL, ARG_JSON },
+ { "destination", required_argument, NULL, ARG_DESTINATION },
+ {},
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hH:M:qjl", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
+ case 'l':
+ arg_full = true;
+ break;
+
+ case ARG_USER:
+ arg_user = true;
+ break;
+
+ case ARG_SYSTEM:
+ arg_user = false;
+ break;
+
+ case ARG_ADDRESS:
+ arg_address = optarg;
+ break;
+
+ case ARG_SHOW_MACHINE:
+ arg_show_machine = true;
+ break;
+
+ case ARG_UNIQUE:
+ arg_unique = true;
+ break;
+
+ case ARG_ACQUIRED:
+ arg_acquired = true;
+ break;
+
+ case ARG_ACTIVATABLE:
+ arg_activatable = true;
+ break;
+
+ case ARG_MATCH:
+ if (strv_extend(&arg_matches, optarg) < 0)
+ return log_oom();
+ break;
+
+ case ARG_SIZE: {
+ uint64_t sz;
+
+ r = parse_size(optarg, 1024, &sz);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse size '%s': %m", optarg);
+
+ if ((uint64_t) (size_t) sz != sz)
+ return log_error_errno(SYNTHETIC_ERRNO(E2BIG),
+ "Size out of range.");
+
+ arg_snaplen = (size_t) sz;
+ break;
+ }
+
+ case ARG_LIST:
+ arg_list = true;
+ break;
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case ARG_VERBOSE:
+ arg_verbose = true;
+ break;
+
+ case ARG_XML_INTERFACE:
+ arg_xml_interface = true;
+ break;
+
+ case ARG_EXPECT_REPLY:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --expect-reply= parameter '%s': %m", optarg);
+
+ arg_expect_reply = r;
+ break;
+
+ case ARG_AUTO_START:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --auto-start= parameter '%s': %m", optarg);
+
+ arg_auto_start = r;
+ break;
+
+ case ARG_ALLOW_INTERACTIVE_AUTHORIZATION:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --allow-interactive-authorization= parameter '%s': %m", optarg);
+
+ arg_allow_interactive_authorization = r;
+ break;
+
+ case ARG_TIMEOUT:
+ r = parse_sec(optarg, &arg_timeout);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --timeout= parameter '%s': %m", optarg);
+
+ break;
+
+ case ARG_AUGMENT_CREDS:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --augment-creds= parameter '%s': %m", optarg);
+
+ arg_augment_creds = r;
+ break;
+
+ case ARG_WATCH_BIND:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --watch-bind= parameter '%s': %m", optarg);
+
+ arg_watch_bind = r;
+ break;
+
+ case 'j':
+ if (on_tty())
+ arg_json = JSON_PRETTY;
+ else
+ arg_json = JSON_SHORT;
+ break;
+
+ case ARG_JSON:
+ if (streq(optarg, "short"))
+ arg_json = JSON_SHORT;
+ else if (streq(optarg, "pretty"))
+ arg_json = JSON_PRETTY;
+ else if (streq(optarg, "help")) {
+ fputs("short\n"
+ "pretty\n", stdout);
+ return 0;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Unknown JSON out mode: %s",
+ optarg);
+
+ break;
+
+ case ARG_DESTINATION:
+ arg_destination = optarg;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ return 1;
+}
+
+static int busctl_main(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "list", VERB_ANY, 1, VERB_DEFAULT, list_bus_names },
+ { "status", VERB_ANY, 2, 0, status },
+ { "monitor", VERB_ANY, VERB_ANY, 0, verb_monitor },
+ { "capture", VERB_ANY, VERB_ANY, 0, verb_capture },
+ { "tree", VERB_ANY, VERB_ANY, 0, tree },
+ { "introspect", 3, 4, 0, introspect },
+ { "call", 5, VERB_ANY, 0, call },
+ { "emit", 4, VERB_ANY, 0, emit_signal },
+ { "get-property", 5, VERB_ANY, 0, get_property },
+ { "set-property", 6, VERB_ANY, 0, set_property },
+ { "help", VERB_ANY, VERB_ANY, 0, verb_help },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+static int run(int argc, char *argv[]) {
+ int r;
+
+ log_setup_cli();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ return busctl_main(argc, argv);
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 15:25:36 +0000