1 files changed, 2 insertions, 38 deletions

diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index d5cc8100ce..f08db2da89 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -29,8 +29,8 @@
 #include <sys/prctl.h>
 
 /* When we include libgen.h because we need dirname() we immediately
- * undefine basename() since libgen.h defines it as a macro to the XDG
- * version which is really broken. */
+ * undefine basename() since libgen.h defines it as a macro to the POSIX
+ * version which is really broken. We prefer GNU basename(). */
 #include <libgen.h>
 #undef basename
 
@@ -498,7 +498,6 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
                         footer, footer_size,
                         n_bytes,
                         fds, n_fds,
-                        NULL,
                         seclabel, 0, &m);
         if (r < 0)
                 return r;
@@ -1574,7 +1573,6 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
         make = alloca0_align(offsetof(struct kdbus_cmd, items) +
                              ALIGN8(offsetof(struct kdbus_item, bloom_parameter) + sizeof(struct kdbus_bloom_parameter)) +
                              ALIGN8(offsetof(struct kdbus_item, data64) + sizeof(uint64_t)) +
-                             ALIGN8(offsetof(struct kdbus_item, data64) + sizeof(uint64_t)) +
                              ALIGN8(offsetof(struct kdbus_item, str) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1),
                              8);
 
@@ -1593,14 +1591,6 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
 
         make->size += ALIGN8(n->size);
 
-        /* The buses we create make no restrictions on what metadata
-         * peers can read from incoming messages. */
-        n = KDBUS_ITEM_NEXT(n);
-        n->type = KDBUS_ITEM_ATTACH_FLAGS_RECV;
-        n->size = offsetof(struct kdbus_item, data64) + sizeof(uint64_t);
-        n->data64[0] = _KDBUS_ATTACH_ANY;
-        make->size += ALIGN8(n->size);
-
         /* Provide all metadata via bus-owner queries */
         n = KDBUS_ITEM_NEXT(n);
         n->type = KDBUS_ITEM_ATTACH_FLAGS_SEND;
@@ -1770,32 +1760,6 @@ int bus_kernel_realize_attach_flags(sd_bus *bus) {
         return 0;
 }
 
-int bus_kernel_fix_attach_mask(void) {
-        _cleanup_free_ char *mask = NULL;
-        uint64_t m = (uint64_t) -1;
-        char buf[2+16+2];
-        int r;
-
-        /* By default we don't want any kdbus metadata fields to be
-         * suppressed, hence we reset the kernel mask for it to
-         * (uint64_t) -1. If the module argument was overwritten by
-         * the kernel cmdline, we leave it as is. */
-
-        r = get_proc_cmdline_key("kdbus.attach_flags_mask=", &mask);
-        if (r < 0)
-                return log_warning_errno(r, "Failed to read kernel command line: %m");
-
-        if (r == 0) {
-                sprintf(buf, "0x%" PRIx64 "\n", m);
-                r = write_string_file("/sys/module/kdbus/parameters/attach_flags_mask", buf);
-                if (r < 0)
-                        return log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
-                                              "Failed to write kdbus attach mask: %m");
-        }
-
-        return 0;
-}
-
 int bus_kernel_get_bus_name(sd_bus *bus, char **name) {
         struct kdbus_cmd_info cmd = {
                 .size = sizeof(struct kdbus_cmd_info),