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-rw-r--r--.gitignore1
-rw-r--r--Makefile.am12
-rw-r--r--TODO8
-rw-r--r--src/libsystemd-bus/bus-control.c47
-rw-r--r--src/libsystemd-bus/kdbus.h16
-rw-r--r--src/libsystemd-bus/test-bus-kernel-bloom.c99
-rw-r--r--src/libsystemd-bus/test-bus-kernel.c4
7 files changed, 165 insertions, 22 deletions
diff --git a/.gitignore b/.gitignore
index 2dd1d715dd..c2e745672c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -83,6 +83,7 @@
/tags
/test-bus-chat
/test-bus-kernel
+/test-bus-kernel-bloom
/test-bus-marshal
/test-bus-match
/test-bus-memfd
diff --git a/Makefile.am b/Makefile.am
index 66f12e9037..2b2efcc747 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1763,6 +1763,7 @@ tests += \
test-bus-server \
test-bus-match \
test-bus-kernel \
+ test-bus-kernel-bloom \
test-bus-memfd \
test-bus-zero-copy
@@ -1836,6 +1837,17 @@ test_bus_kernel_LDADD = \
libsystemd-bus.la \
libsystemd-id128-internal.la
+test_bus_kernel_bloom_SOURCES = \
+ src/libsystemd-bus/test-bus-kernel-bloom.c
+
+test_bus_kernel_bloom_CFLAGS = \
+ $(AM_CFLAGS)
+
+test_bus_kernel_bloom_LDADD = \
+ libsystemd-shared.la \
+ libsystemd-bus.la \
+ libsystemd-id128-internal.la
+
test_bus_memfd_SOURCES = \
src/libsystemd-bus/test-bus-memfd.c
diff --git a/TODO b/TODO
index 561e7ceb39..f8a1b1b578 100644
--- a/TODO
+++ b/TODO
@@ -44,7 +44,13 @@ Features:
- merge busctl into systemctl or so?
- synthesize sd_bus_message objects from kernel messages
- properly implement name registry ioctls for kdbus
- - get rid of object hash table, use decision tree instead?
+ - get rid of object hash table, use decision tree everyhwere instead?
+ - implement monitor logic
+ - object vtable logic
+ - longer term:
+ * priority queues
+ * worker threads
+ * priority inheritance
* in the final killing spree, detect processes from the root directory, and
complain loudly if they have argv[0][0] == '@' set.
diff --git a/src/libsystemd-bus/bus-control.c b/src/libsystemd-bus/bus-control.c
index ae0d7f9767..66f713082c 100644
--- a/src/libsystemd-bus/bus-control.c
+++ b/src/libsystemd-bus/bus-control.c
@@ -385,12 +385,9 @@ int bus_add_match_internal(
break;
- case BUS_MATCH_DESTINATION:
- /* The bloom filter does not include
- the destination, since it is only
- available for broadcast messages
- which do not carry a destination
- since they are undirected. */
+ case BUS_MATCH_MESSAGE_TYPE:
+ bloom_add_pair(bloom, "message-type", bus_message_type_to_string(c->value_u8));
+ using_bloom = true;
break;
case BUS_MATCH_INTERFACE:
@@ -413,11 +410,39 @@ int bus_add_match_internal(
using_bloom = true;
break;
- case BUS_MATCH_ARG...BUS_MATCH_ARG_LAST:
- case BUS_MATCH_ARG_PATH...BUS_MATCH_ARG_PATH_LAST:
- case BUS_MATCH_ARG_NAMESPACE...BUS_MATCH_ARG_NAMESPACE_LAST:
- case BUS_MATCH_MESSAGE_TYPE:
- assert_not_reached("FIXME!");
+ case BUS_MATCH_ARG...BUS_MATCH_ARG_LAST: {
+ char buf[sizeof("arg")-1 + 2 + 1];
+
+ snprintf(buf, sizeof(buf), "arg%u", c->type - BUS_MATCH_ARG);
+ bloom_add_pair(bloom, buf, c->value_str);
+ using_bloom = true;
+ break;
+ }
+
+ case BUS_MATCH_ARG_PATH...BUS_MATCH_ARG_PATH_LAST: {
+ char buf[sizeof("arg")-1 + 2 + sizeof("-slash-prefix")];
+
+ snprintf(buf, sizeof(buf), "arg%u-slash-prefix", c->type - BUS_MATCH_ARG_PATH);
+ bloom_add_pair(bloom, buf, c->value_str);
+ using_bloom = true;
+ break;
+ }
+
+ case BUS_MATCH_ARG_NAMESPACE...BUS_MATCH_ARG_NAMESPACE_LAST: {
+ char buf[sizeof("arg")-1 + 2 + sizeof("-dot-prefix")];
+
+ snprintf(buf, sizeof(buf), "arg%u-dot-prefix", c->type - BUS_MATCH_ARG_NAMESPACE);
+ bloom_add_pair(bloom, buf, c->value_str);
+ using_bloom = true;
+ break;
+ }
+
+ case BUS_MATCH_DESTINATION:
+ /* The bloom filter does not include
+ the destination, since it is only
+ available for broadcast messages
+ which do not carry a destination
+ since they are undirected. */
break;
case BUS_MATCH_ROOT:
diff --git a/src/libsystemd-bus/kdbus.h b/src/libsystemd-bus/kdbus.h
index 214bf51197..e10a1547aa 100644
--- a/src/libsystemd-bus/kdbus.h
+++ b/src/libsystemd-bus/kdbus.h
@@ -67,7 +67,7 @@ struct kdbus_timestamp {
/* Message Item Types */
enum {
- KDBUS_MSG_NULL,
+ _KDBUS_MSG_NULL,
/* Filled in by userspace */
KDBUS_MSG_PAYLOAD_VEC, /* .data_vec, reference to memory area */
@@ -151,7 +151,7 @@ enum {
};
enum {
- KDBUS_PAYLOAD_NULL,
+ _KDBUS_PAYLOAD_NULL,
KDBUS_PAYLOAD_DBUS1 = 0x4442757356657231ULL, /* 'DBusVer1' */
KDBUS_PAYLOAD_GVARIANT = 0x4756617269616e74ULL, /* 'GVariant' */
};
@@ -182,13 +182,13 @@ struct kdbus_msg {
};
enum {
- KDBUS_POLICY_NULL,
+ _KDBUS_POLICY_NULL,
KDBUS_POLICY_NAME,
KDBUS_POLICY_ACCESS,
};
enum {
- KDBUS_POLICY_ACCESS_NULL,
+ _KDBUS_POLICY_ACCESS_NULL,
KDBUS_POLICY_ACCESS_USER,
KDBUS_POLICY_ACCESS_GROUP,
KDBUS_POLICY_ACCESS_WORLD,
@@ -237,7 +237,7 @@ enum {
/* Items to append to struct kdbus_cmd_hello */
enum {
- KDBUS_HELLO_NULL,
+ _KDBUS_HELLO_NULL,
KDBUS_HELLO_POOL, /* kdbus_vec, userspace supplied pool to
* place received messages */
};
@@ -274,7 +274,7 @@ enum {
/* Items to append to kdbus_cmd_{bus,ep,ns}_make */
enum {
- KDBUS_MAKE_NULL,
+ _KDBUS_MAKE_NULL,
KDBUS_MAKE_NAME,
KDBUS_MAKE_CGROUP, /* the cgroup hierarchy ID for which to attach
* cgroup membership paths * to messages. */
@@ -346,7 +346,7 @@ struct kdbus_cmd_names {
};
enum {
- KDBUS_NAME_INFO_ITEM_NULL,
+ _KDBUS_NAME_INFO_ITEM_NULL,
KDBUS_NAME_INFO_ITEM_NAME, /* userspace → kernel */
KDBUS_NAME_INFO_ITEM_SECLABEL, /* kernel → userspace */
KDBUS_NAME_INFO_ITEM_AUDIT, /* kernel → userspace */
@@ -361,7 +361,7 @@ struct kdbus_cmd_name_info {
};
enum {
- KDBUS_MATCH_NULL,
+ _KDBUS_MATCH_NULL,
KDBUS_MATCH_BLOOM, /* Matches a mask blob against KDBUS_MSG_BLOOM */
KDBUS_MATCH_SRC_NAME, /* Matches a name string against KDBUS_MSG_SRC_NAMES */
KDBUS_MATCH_NAME_ADD, /* Matches a name string against KDBUS_MSG_NAME_ADD */
diff --git a/src/libsystemd-bus/test-bus-kernel-bloom.c b/src/libsystemd-bus/test-bus-kernel-bloom.c
new file mode 100644
index 0000000000..02d9a98be9
--- /dev/null
+++ b/src/libsystemd-bus/test-bus-kernel-bloom.c
@@ -0,0 +1,99 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "util.h"
+#include "log.h"
+
+#include "sd-bus.h"
+#include "bus-message.h"
+#include "bus-error.h"
+#include "bus-kernel.h"
+
+static void test_one(
+ const char *path,
+ const char *interface,
+ const char *member,
+ const char *arg0,
+ const char *match,
+ bool good) {
+
+ _cleanup_close_ int bus_ref = -1;
+ _cleanup_free_ char *bus_name = NULL, *address = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ sd_bus *a, *b;
+ int r;
+
+ bus_ref = bus_kernel_create("deine-mutter", &bus_name);
+ if (bus_ref == -ENOENT)
+ exit(EXIT_TEST_SKIP);
+
+ assert_se(bus_ref >= 0);
+
+ address = strappend("kernel:path=", bus_name);
+ assert_se(address);
+
+ r = sd_bus_new(&a);
+ assert_se(r >= 0);
+
+ r = sd_bus_new(&b);
+ assert_se(r >= 0);
+
+ r = sd_bus_set_address(a, address);
+ assert_se(r >= 0);
+
+ r = sd_bus_set_address(b, address);
+ assert_se(r >= 0);
+
+ r = sd_bus_start(a);
+ assert_se(r >= 0);
+
+ r = sd_bus_start(b);
+ assert_se(r >= 0);
+
+ r = sd_bus_add_match(b, match, NULL, NULL);
+ assert_se(r >= 0);
+
+ r = sd_bus_emit_signal(a, path, interface, member, "s", arg0);
+ assert_se(r >= 0);
+
+ r = sd_bus_process(b, &m);
+ assert_se(r >= 0 && (good == !!m));
+
+ sd_bus_unref(a);
+ sd_bus_unref(b);
+}
+
+int main(int argc, char *argv[]) {
+ log_set_max_level(LOG_DEBUG);
+
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "path='/foo/bar/waldo'", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "path='/foo/bar/waldo/tuut'", false);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "interface='waldo.com'", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "member='Piep'", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "member='Pi_ep'", false);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "arg0='foobar'", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "arg0='foo_bar'", false);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "path='/foo/bar/waldo',interface='waldo.com',member='Piep',arg0='foobar'", true);
+ test_one("/foo/bar/waldo", "waldo.com", "Piep", "foobar", "path='/foo/bar/waldo',interface='waldo.com',member='Piep',arg0='foobar2'", false);
+
+ return 0;
+}
diff --git a/src/libsystemd-bus/test-bus-kernel.c b/src/libsystemd-bus/test-bus-kernel.c
index 0a2457a6dc..680dcde5b4 100644
--- a/src/libsystemd-bus/test-bus-kernel.c
+++ b/src/libsystemd-bus/test-bus-kernel.c
@@ -92,8 +92,8 @@ int main(int argc, char *argv[]) {
printf("unique b: %s\n", ub);
- /* interface='waldo.com',member='Piep' */
- assert_se(sd_bus_add_match(b, "interface='waldo.com'", NULL, NULL) >= 0);
+ r = sd_bus_add_match(b, "interface='waldo.com',member='Piep'", NULL, NULL);
+ assert_se(r >= 0);
r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name");
assert_se(r >= 0);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-09 19:35:46 +0000