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bus: send attach flags on BUS_MAKE

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Make sure to set send-attach-flags on BUS_MAKE. These control which
information is revealed about the bus-owner.
This commit is contained in:
David Herrmann
2014-12-12 14:02:57 +01:00
parent 18ee085c15
commit 19ee32dc4d
1 changed files with 8 additions and 0 deletions
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8
src/libsystemd/sd-bus/bus-kernel.c
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@@ -1510,6 +1510,7 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
make = alloca0_align(offsetof(struct kdbus_cmd_make, 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);
@@ -1536,6 +1537,13 @@ int bus_kernel_create_bus(const char *name, bool world, char **s) {
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;
n->size = offsetof(struct kdbus_item, data64) + sizeof(uint64_t);
n->data64[0] = _KDBUS_ATTACH_ANY;
make->size += ALIGN8(n->size);
/* Set the a good name */
n = KDBUS_ITEM_NEXT(n);
sprintf(n->str, UID_FMT "-%s", getuid(), name);