summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/libsystemd-bus/bus-kernel.c22
-rw-r--r--src/libsystemd-bus/kdbus.h128
2 files changed, 81 insertions, 69 deletions
diff --git a/src/libsystemd-bus/bus-kernel.c b/src/libsystemd-bus/bus-kernel.c
index 2be2acf2a9..c35d95727c 100644
--- a/src/libsystemd-bus/bus-kernel.c
+++ b/src/libsystemd-bus/bus-kernel.c
@@ -274,14 +274,14 @@ static int bus_message_setup_kmsg(sd_bus *b, sd_bus_message *m) {
int bus_kernel_take_fd(sd_bus *b) {
struct kdbus_cmd_hello hello = {
.conn_flags =
- KDBUS_CMD_HELLO_ACCEPT_FD|
- KDBUS_CMD_HELLO_ATTACH_COMM|
- KDBUS_CMD_HELLO_ATTACH_EXE|
- KDBUS_CMD_HELLO_ATTACH_CMDLINE|
- KDBUS_CMD_HELLO_ATTACH_CGROUP|
- KDBUS_CMD_HELLO_ATTACH_CAPS|
- KDBUS_CMD_HELLO_ATTACH_SECLABEL|
- KDBUS_CMD_HELLO_ATTACH_AUDIT
+ KDBUS_HELLO_ACCEPT_FD|
+ KDBUS_HELLO_ATTACH_COMM|
+ KDBUS_HELLO_ATTACH_EXE|
+ KDBUS_HELLO_ATTACH_CMDLINE|
+ KDBUS_HELLO_ATTACH_CGROUP|
+ KDBUS_HELLO_ATTACH_CAPS|
+ KDBUS_HELLO_ATTACH_SECLABEL|
+ KDBUS_HELLO_ATTACH_AUDIT
};
int r;
@@ -583,17 +583,17 @@ int bus_kernel_create(const char *name, char **s) {
sizeof(struct kdbus_cmd_make_item) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1);
cg = make->items;
- cg->type = KDBUS_CMD_MAKE_CGROUP;
+ cg->type = KDBUS_MAKE_CGROUP;
cg->data64[0] = 1;
cg->size = sizeof(struct kdbus_cmd_make_item) + sizeof(uint64_t);
n = KDBUS_ITEM_NEXT(cg);
- n->type = KDBUS_CMD_MAKE_NAME;
+ n->type = KDBUS_MAKE_NAME;
sprintf(n->str, "%lu-%s", (unsigned long) getuid(), name);
n->size = sizeof(struct kdbus_cmd_make_item) + strlen(n->str) + 1;
make->size = offsetof(struct kdbus_cmd_bus_make, items) + cg->size + n->size;
- make->flags = KDBUS_ACCESS_WORLD | KDBUS_POLICY_OPEN;
+ make->flags = KDBUS_MAKE_ACCESS_WORLD | KDBUS_MAKE_POLICY_OPEN;
make->bus_flags = 0;
make->bloom_size = BLOOM_SIZE;
assert_cc(BLOOM_SIZE % 8 == 0);
diff --git a/src/libsystemd-bus/kdbus.h b/src/libsystemd-bus/kdbus.h
index a597c87dc7..6d817b8a2b 100644
--- a/src/libsystemd-bus/kdbus.h
+++ b/src/libsystemd-bus/kdbus.h
@@ -27,13 +27,13 @@
struct kdbus_manager_msg_name_change {
__u64 old_id;
__u64 new_id;
- __u64 flags; /* 0 or (possibly?) KDBUS_CMD_NAME_IN_QUEUE */
+ __u64 flags; /* 0 or (possibly?) KDBUS_NAME_IN_QUEUE */
char name[0];
};
struct kdbus_manager_msg_id_change {
__u64 id;
- __u64 flags; /* The kernel flags field from KDBUS_CMD_HELLO */
+ __u64 flags; /* The kernel flags field from KDBUS_HELLO */
};
struct kdbus_creds {
@@ -144,7 +144,7 @@ enum {
};
enum {
- KDBUS_PAYLOAD_NONE,
+ KDBUS_PAYLOAD_NULL,
KDBUS_PAYLOAD_DBUS1 = 0x4442757356657231ULL, /* 'DBusVer1' */
KDBUS_PAYLOAD_GVARIANT = 0x4756617269616e74ULL, /* 'GVariant' */
};
@@ -163,10 +163,10 @@ enum {
struct kdbus_msg {
__u64 size;
__u64 flags;
- __u64 dst_id; /* connection, 0 == name in data, ~0 broadcast */
- __u64 src_id; /* connection, 0 == kernel */
- __u64 payload_type; /* 'DBusVer1', 'GVariant', ... */
- __u64 cookie; /* userspace-supplied cookie */
+ __u64 dst_id; /* connection, 0 == name in data, ~0 broadcast */
+ __u64 src_id; /* connection, 0 == kernel */
+ __u64 payload_type; /* 'DBusVer1', 'GVariant', ... */
+ __u64 cookie; /* userspace-supplied cookie */
union {
__u64 cookie_reply; /* cookie we reply to */
__u64 timeout_ns; /* timespan to wait for reply */
@@ -208,50 +208,32 @@ struct kdbus_policy {
struct kdbus_cmd_policy {
__u64 size;
- __u8 buffer[0]; /* a series of KDBUS_POLICY_NAME plus one or
- * more KDBUS_POLICY_ACCESS each. */
+ __u8 buffer[0]; /* a series of KDBUS_POLICY_NAME plus one or
+ * more KDBUS_POLICY_ACCESS each. */
};
+/* Flags for struct kdbus_cmd_hello */
enum {
- KDBUS_CMD_HELLO_STARTER = 1 << 0,
- KDBUS_CMD_HELLO_ACCEPT_FD = 1 << 1,
+ KDBUS_HELLO_STARTER = 1 << 0,
+ KDBUS_HELLO_ACCEPT_FD = 1 << 1,
/* The following have an effect on directed messages only --
* not for broadcasts */
- KDBUS_CMD_HELLO_ATTACH_COMM = 1 << 10,
- KDBUS_CMD_HELLO_ATTACH_EXE = 1 << 11,
- KDBUS_CMD_HELLO_ATTACH_CMDLINE = 1 << 12,
- KDBUS_CMD_HELLO_ATTACH_CGROUP = 1 << 13,
- KDBUS_CMD_HELLO_ATTACH_CAPS = 1 << 14,
- KDBUS_CMD_HELLO_ATTACH_SECLABEL = 1 << 15,
- KDBUS_CMD_HELLO_ATTACH_AUDIT = 1 << 16,
+ KDBUS_HELLO_ATTACH_COMM = 1 << 10,
+ KDBUS_HELLO_ATTACH_EXE = 1 << 11,
+ KDBUS_HELLO_ATTACH_CMDLINE = 1 << 12,
+ KDBUS_HELLO_ATTACH_CGROUP = 1 << 13,
+ KDBUS_HELLO_ATTACH_CAPS = 1 << 14,
+ KDBUS_HELLO_ATTACH_SECLABEL = 1 << 15,
+ KDBUS_HELLO_ATTACH_AUDIT = 1 << 16,
};
-/* Flags for kdbus_cmd_bus_make, kdbus_cmd_ep_make and
- * kdbus_cmd_ns_make */
+/* Items to append to struct kdbus_cmd_hello */
enum {
- KDBUS_ACCESS_GROUP = 1 << 0,
- KDBUS_ACCESS_WORLD = 1 << 1,
- KDBUS_POLICY_OPEN = 1 << 2,
+ KDBUS_HELLO_NULL,
};
-/* Items to append to kdbus_cmd_bus_make, kdbus_cmd_ep_make and
- * kdbus_cmd_ns_make */
-
-enum {
- KDBUS_CMD_MAKE_NONE,
- KDBUS_CMD_MAKE_NAME,
- KDBUS_CMD_MAKE_CGROUP, /* the cgroup hierarchy ID for which to attach
- * cgroup membership paths * to messages. */
- KDBUS_CMD_MAKE_CRED, /* allow translator services which connect
- * to the bus on behalf of somebody else,
- * allow specifiying the credentials of the
- * client to connect on behalf on. Needs
- * privileges */
-
-};
-
-struct kdbus_cmd_make_item {
+struct kdbus_cmd_hello_item {
__u64 size;
__u64 type;
union {
@@ -270,7 +252,7 @@ struct kdbus_cmd_hello {
* returns its capabilites and
* more. Kernel might refuse client's
* capabilities by returning an error
- * from KDBUS_CMD_HELLO */
+ * from KDBUS_HELLO */
/* kernel → userspace */
__u64 bus_flags; /* this is .flags copied verbatim from
@@ -281,7 +263,37 @@ struct kdbus_cmd_hello {
__u64 id; /* id assigned to this connection */
__u64 bloom_size; /* The bloom filter size chosen by the
* bus owner */
- struct kdbus_cmd_make_item items[0];
+ struct kdbus_cmd_hello_item items[0];
+};
+
+/* Flags for kdbus_cmd_{bus,ep,ns}_make */
+enum {
+ KDBUS_MAKE_ACCESS_GROUP = 1 << 0,
+ KDBUS_MAKE_ACCESS_WORLD = 1 << 1,
+ KDBUS_MAKE_POLICY_OPEN = 1 << 2,
+};
+
+/* Items to append to kdbus_cmd_{bus,ep,ns}_make */
+enum {
+ KDBUS_MAKE_NULL,
+ KDBUS_MAKE_NAME,
+ KDBUS_MAKE_CGROUP, /* the cgroup hierarchy ID for which to attach
+ * cgroup membership paths * to messages. */
+ KDBUS_MAKE_CRED, /* allow translator services which connect
+ * to the bus on behalf of somebody else,
+ * allow specifiying the credentials of the
+ * client to connect on behalf on. Needs
+ * privileges */
+};
+
+struct kdbus_cmd_make_item {
+ __u64 size;
+ __u64 type;
+ union {
+ __u8 data[0];
+ __u64 data64[0];
+ char str[0];
+ };
};
struct kdbus_cmd_bus_make {
@@ -323,12 +335,12 @@ struct kdbus_cmd_ns_make {
enum {
/* userspace → kernel */
- KDBUS_CMD_NAME_REPLACE_EXISTING = 1 << 0,
- KDBUS_CMD_NAME_QUEUE = 1 << 1,
- KDBUS_CMD_NAME_ALLOW_REPLACEMENT = 1 << 2,
+ KDBUS_NAME_REPLACE_EXISTING = 1 << 0,
+ KDBUS_NAME_QUEUE = 1 << 1,
+ KDBUS_NAME_ALLOW_REPLACEMENT = 1 << 2,
/* kernel → userspace */
- KDBUS_CMD_NAME_IN_QUEUE = 1 << 16,
+ KDBUS_NAME_IN_QUEUE = 1 << 16,
};
struct kdbus_cmd_name {
@@ -345,10 +357,10 @@ struct kdbus_cmd_names {
};
enum {
- KDBUS_CMD_NAME_INFO_ITEM_NULL,
- KDBUS_CMD_NAME_INFO_ITEM_NAME, /* userspace → kernel */
- KDBUS_CMD_NAME_INFO_ITEM_SECLABEL, /* kernel → userspace */
- KDBUS_CMD_NAME_INFO_ITEM_AUDIT, /* kernel → userspace */
+ 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 */
};
struct kdbus_cmd_name_info_item {
@@ -366,14 +378,14 @@ struct kdbus_cmd_name_info {
};
enum {
- KDBUS_CMD_MATCH_NULL,
- KDBUS_CMD_MATCH_BLOOM, /* Matches a mask blob against KDBUS_MSG_BLOOM */
- KDBUS_CMD_MATCH_SRC_NAME, /* Matches a name string against KDBUS_MSG_SRC_NAMES */
- KDBUS_CMD_MATCH_NAME_ADD, /* Matches a name string against KDBUS_MSG_NAME_ADD */
- KDBUS_CMD_MATCH_NAME_REMOVE, /* Matches a name string against KDBUS_MSG_NAME_REMOVE */
- KDBUS_CMD_MATCH_NAME_CHANGE, /* Matches a name string against KDBUS_MSG_NAME_CHANGE */
- KDBUS_CMD_MATCH_ID_ADD, /* Matches an ID against KDBUS_MSG_ID_ADD */
- KDBUS_CMD_MATCH_ID_REMOVE, /* Matches an ID against KDBUS_MSG_ID_REMOVE */
+ 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 */
+ KDBUS_MATCH_NAME_REMOVE, /* Matches a name string against KDBUS_MSG_NAME_REMOVE */
+ KDBUS_MATCH_NAME_CHANGE, /* Matches a name string against KDBUS_MSG_NAME_CHANGE */
+ KDBUS_MATCH_ID_ADD, /* Matches an ID against KDBUS_MSG_ID_ADD */
+ KDBUS_MATCH_ID_REMOVE, /* Matches an ID against KDBUS_MSG_ID_REMOVE */
};
struct kdbus_cmd_match_item {