summaryrefslogtreecommitdiff
path: root/src/libsystemd/sd-bus/bus-control.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libsystemd/sd-bus/bus-control.c')
-rw-r--r--src/libsystemd/sd-bus/bus-control.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c
index 1103903358..7a59702cb2 100644
--- a/src/libsystemd/sd-bus/bus-control.c
+++ b/src/libsystemd/sd-bus/bus-control.c
@@ -1291,10 +1291,8 @@ int bus_add_match_internal_kernel(
break;
case BUS_MATCH_PATH_NAMESPACE:
- if (!streq(c->value_str, "/")) {
- bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path-slash-prefix", c->value_str);
- using_bloom = true;
- }
+ bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path-slash-prefix", c->value_str);
+ using_bloom = true;
break;
case BUS_MATCH_ARG...BUS_MATCH_ARG_LAST: {
@@ -1310,11 +1308,18 @@ int bus_add_match_internal_kernel(
}
case BUS_MATCH_ARG_PATH...BUS_MATCH_ARG_PATH_LAST: {
- char buf[sizeof("arg")-1 + 2 + sizeof("-slash-prefix")];
-
- xsprintf(buf, "arg%i-slash-prefix", c->type - BUS_MATCH_ARG_PATH);
- bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, buf, c->value_str);
- using_bloom = true;
+ /*
+ * XXX: DBus spec defines arg[0..63]path= matching to be
+ * a two-way glob. That is, if either string is a prefix
+ * of the other, it matches.
+ * This is really hard to realize in bloom-filters, as
+ * we would have to create a bloom-match for each prefix
+ * of @c->value_str. This is excessive, hence we just
+ * ignore all those matches and accept everything from
+ * the kernel. People should really avoid those matches.
+ * If they're used in real-life some day, we will have
+ * to properly support multiple-matches here.
+ */
break;
}