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-rw-r--r--src/bus-driverd/bus-driverd.c44
1 files changed, 33 insertions, 11 deletions
diff --git a/src/bus-driverd/bus-driverd.c b/src/bus-driverd/bus-driverd.c
index acb5e6ba00..b97206600b 100644
--- a/src/bus-driverd/bus-driverd.c
+++ b/src/bus-driverd/bus-driverd.c
@@ -365,19 +365,14 @@ finish:
return r;
}
-static int get_creds(sd_bus *bus, sd_bus_message *m, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) {
+static int get_creds_by_name(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;
- const char *name;
int r;
assert(bus);
- assert(m);
+ assert(name);
assert(_creds);
- r = sd_bus_message_read(m, "s", &name);
- if (r < 0)
- return r;
-
assert_return(service_name_is_valid(name), -EINVAL);
r = sd_bus_get_owner(bus, name, mask, &c);
@@ -395,12 +390,28 @@ static int get_creds(sd_bus *bus, sd_bus_message *m, uint64_t mask, sd_bus_creds
return 0;
}
+
+static int get_creds_by_message(sd_bus *bus, sd_bus_message *m, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) {
+ const char *name;
+ int r;
+
+ assert(bus);
+ assert(m);
+ assert(_creds);
+
+ r = sd_bus_message_read(m, "s", &name);
+ if (r < 0)
+ return r;
+
+ return get_creds_by_name(bus, name, mask, _creds, error);
+}
+
static int driver_get_security_context(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
int r;
- r = get_creds(bus, m, SD_BUS_CREDS_SELINUX_CONTEXT, &creds, error);
+ r = get_creds_by_message(bus, m, SD_BUS_CREDS_SELINUX_CONTEXT, &creds, error);
if (r < 0)
return r;
@@ -419,7 +430,7 @@ static int driver_get_pid(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
int r;
- r = get_creds(bus, m, SD_BUS_CREDS_PID, &creds, error);
+ r = get_creds_by_message(bus, m, SD_BUS_CREDS_PID, &creds, error);
if (r < 0)
return r;
@@ -430,7 +441,7 @@ static int driver_get_user(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
int r;
- r = get_creds(bus, m, SD_BUS_CREDS_UID, &creds, error);
+ r = get_creds_by_message(bus, m, SD_BUS_CREDS_UID, &creds, error);
if (r < 0)
return r;
@@ -439,9 +450,20 @@ static int driver_get_user(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
static int driver_get_name_owner(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ const char *name;
int r;
- r = get_creds(bus, m, SD_BUS_CREDS_UNIQUE_NAME, &creds, error);
+ r = sd_bus_message_read(m, "s", &name);
+ if (r < 0)
+ return r;
+
+ /* Here's a special exception for compatibility with dbus1:
+ * the bus name of the driver is owned by itself, not by a
+ * unique ID. */
+ if (streq(name, "org.freedesktop.DBus"))
+ return sd_bus_reply_method_return(m, "s", "org.freedesktop.DBus");
+
+ r = get_creds_by_name(bus, name, SD_BUS_CREDS_UNIQUE_NAME, &creds, error);
if (r < 0)
return r;