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busctl: add introspect --xml-interface

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This wraps the call to org.freedesktop.DBus.Introspectable.Introspect.
Using "busctl call" directly is inconvenient because busctl escapes the
string before printing.

Example:
$ busctl introspect --xml org.freedesktop.systemd1 /org/freedesktop/systemd1 | pygmentize -lxml | less -RF
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-04-21 22:23:45 +02:00
parent d603324b4b
commit d5c8d8233c
2 changed files with 23 additions and 0 deletions
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10
man/busctl.xml
View File

@ -140,6 +140,16 @@
</listitem>
</varlistentry>
<varlistentry>
<term><option>--xml-interface</option></term>
<listitem>
<para>When used with the <command>introspect</command> call, dump the XML description received from
the D-Bus <constant>org.freedesktop.DBus.Introspectable.Introspect</constant> call instead of the
normal output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--json=</option><replaceable>MODE</replaceable></term>

13
src/busctl/busctl.c
View File

@ -50,6 +50,7 @@ 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;
@ -948,6 +949,12 @@ static int introspect(int argc, char **argv, void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
if (arg_xml_interface) {
/* Just dump the received XML and finish */
puts(xml);
return 0;
}
/* First, get list of all properties */
r = parse_xml_introspect(argv[2], xml, &ops, members);
if (r < 0)
@ -2255,6 +2262,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_SIZE,
ARG_LIST,
ARG_VERBOSE,
ARG_XML_INTERFACE,
ARG_EXPECT_REPLY,
ARG_AUTO_START,
ARG_ALLOW_INTERACTIVE_AUTHORIZATION,
@ -2284,6 +2292,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "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 },
@ -2388,6 +2397,10 @@ static int parse_argv(int argc, char *argv[]) {
arg_verbose = true;
break;
case ARG_XML_INTERFACE:
arg_xml_interface = true;
break;
case ARG_EXPECT_REPLY:
r = parse_boolean(optarg);
if (r < 0)