#include "bus-kernel.h"
#include "bus-bloom.h"
#include "bus-util.h"
+#include "bus-label.h"
#include "cgroup-util.h"
#define UNIQUE_NAME_MAX (3+DECIMAL_STR_MAX(uint64_t))
well_known ? 0 :
m->destination ? unique : KDBUS_DST_ID_BROADCAST;
m->kdbus->payload_type = KDBUS_PAYLOAD_DBUS;
- m->kdbus->cookie = m->header->serial;
+ m->kdbus->cookie = (uint64_t) m->header->serial;
m->kdbus->priority = m->priority;
if (m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED)
b->use_memfd = 1;
if (b->connection_name) {
- g = sd_bus_label_escape(b->connection_name);
+ g = bus_label_escape(b->connection_name);
if (!g)
return -ENOMEM;
} else {
_cleanup_free_ char *e = NULL;
- e = sd_bus_label_escape(pr);
+ e = bus_label_escape(pr);
if (!e)
return -ENOMEM;
name = g;
}
- b->connection_name = sd_bus_label_unescape(name);
+ b->connection_name = bus_label_unescape(name);
if (!b->connection_name)
return -ENOMEM;
}
assert(bus->connection_name);
- g = sd_bus_label_escape(bus->connection_name);
+ g = bus_label_escape(bus->connection_name);
if (!g)
return -ENOMEM;
return fd;
}
-int bus_kernel_create_starter(const char *bus, const char *name) {
+static void bus_kernel_translate_policy(const BusNamePolicy *policy, struct kdbus_item *item)
+{
+ switch (policy->type) {
+ case BUSNAME_POLICY_TYPE_USER:
+ item->policy_access.type = KDBUS_POLICY_ACCESS_USER;
+ item->policy_access.id = policy->uid;
+ break;
+
+ case BUSNAME_POLICY_TYPE_GROUP:
+ item->policy_access.type = KDBUS_POLICY_ACCESS_GROUP;
+ item->policy_access.id = policy->gid;
+ break;
+
+ case BUSNAME_POLICY_TYPE_WORLD:
+ item->policy_access.type = KDBUS_POLICY_ACCESS_WORLD;
+ break;
+
+ default:
+ assert_not_reached("Unknown policy type");
+ }
+
+ switch (policy->access) {
+ case BUSNAME_POLICY_ACCESS_SEE:
+ item->policy_access.access = KDBUS_POLICY_SEE;
+ break;
+
+ case BUSNAME_POLICY_ACCESS_TALK:
+ item->policy_access.access = KDBUS_POLICY_TALK;
+ break;
+
+ case BUSNAME_POLICY_ACCESS_OWN:
+ item->policy_access.access = KDBUS_POLICY_OWN;
+ break;
+
+ default:
+ assert_not_reached("Unknown policy access");
+ }
+}
+
+int bus_kernel_create_starter(const char *bus, const char *name, BusNamePolicy *policy) {
struct kdbus_cmd_hello *hello;
struct kdbus_item *n;
+ size_t policy_cnt = 0;
+ BusNamePolicy *po;
+ size_t size;
char *p;
int fd;
assert(bus);
assert(name);
- p = alloca(sizeof("/dev/kdbus/") - 1 + DECIMAL_STR_MAX(uid_t) + 1 + strlen(bus) + sizeof("/bus"));
+ p = alloca(strlen("/dev/kdbus/") + DECIMAL_STR_MAX(uid_t) + 1 + strlen(bus) + strlen("/bus") + 1);
sprintf(p, "/dev/kdbus/%lu-%s/bus", (unsigned long) getuid(), bus);
fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC);
if (fd < 0)
return -errno;
- hello = alloca0(ALIGN8(offsetof(struct kdbus_cmd_hello, items) +
- offsetof(struct kdbus_item, str) +
- strlen(name) + 1));
+ LIST_FOREACH(policy, po, policy)
+ policy_cnt++;
+
+ size = ALIGN8(offsetof(struct kdbus_cmd_hello, items)) +
+ ALIGN8(offsetof(struct kdbus_item, str) + strlen(name) + 1) +
+ policy_cnt * ALIGN8(offsetof(struct kdbus_item, policy_access) + sizeof(struct kdbus_policy_access));
+
+ hello = alloca0(size);
n = hello->items;
strcpy(n->str, name);
n->size = offsetof(struct kdbus_item, str) + strlen(n->str) + 1;
n->type = KDBUS_ITEM_NAME;
+ n = KDBUS_ITEM_NEXT(n);
+
+ LIST_FOREACH(policy, po, policy) {
+ n->type = KDBUS_ITEM_POLICY_ACCESS;
+ n->size = offsetof(struct kdbus_item, policy_access) + sizeof(struct kdbus_policy_access);
+ bus_kernel_translate_policy(po, n);
+ n = KDBUS_ITEM_NEXT(n);
+ }
- hello->size = ALIGN8(offsetof(struct kdbus_cmd_hello, items) + n->size);
+ hello->size = size;
hello->conn_flags = KDBUS_HELLO_ACTIVATOR;
hello->pool_size = KDBUS_POOL_SIZE;
assert(bus);
- p = alloca(sizeof("/dev/kdbus/") - 1 + DECIMAL_STR_MAX(uid_t) + 1 + strlen(bus) + sizeof("/bus"));
+ p = alloca(strlen("/dev/kdbus/") + DECIMAL_STR_MAX(uid_t) + 1 + strlen(bus) + strlen("/bus") + 1);
sprintf(p, "/dev/kdbus/%lu-%s/bus", (unsigned long) getuid(), bus);
fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC);