#include <stdlib.h>
#include <unistd.h>
#include <netdb.h>
-#include <sys/poll.h>
+#include <poll.h>
#include <byteswap.h>
#include <sys/mman.h>
#include <pthread.h>
free(b->machine);
free(b->fake_label);
free(b->cgroup_root);
- free(b->connection_name);
+ free(b->description);
free(b->exec_path);
strv_free(b->exec_argv);
}
_public_ int sd_bus_negotiate_timestamp(sd_bus *bus, int b) {
+ uint64_t new_flags;
assert_return(bus, -EINVAL);
- assert_return(bus->state == BUS_UNSET, -EPERM);
+ assert_return(!IN_SET(bus->state, BUS_CLOSING, BUS_CLOSED), -EPERM);
assert_return(!bus_pid_changed(bus), -ECHILD);
- SET_FLAG(bus->attach_flags, KDBUS_ATTACH_TIMESTAMP, b);
+ new_flags = bus->attach_flags;
+ SET_FLAG(new_flags, KDBUS_ATTACH_TIMESTAMP, b);
+
+ if (bus->attach_flags == new_flags)
+ return 0;
+
+ bus->attach_flags = new_flags;
+ if (bus->state != BUS_UNSET && bus->is_kernel)
+ bus_kernel_realize_attach_flags(bus);
+
return 0;
}
-_public_ int sd_bus_negotiate_creds(sd_bus *bus, uint64_t mask) {
+_public_ int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t mask) {
+ uint64_t new_flags;
+
assert_return(bus, -EINVAL);
assert_return(mask <= _SD_BUS_CREDS_ALL, -EINVAL);
- assert_return(bus->state == BUS_UNSET, -EPERM);
+ assert_return(!IN_SET(bus->state, BUS_CLOSING, BUS_CLOSED), -EPERM);
assert_return(!bus_pid_changed(bus), -ECHILD);
+ if (b)
+ bus->creds_mask |= mask;
+ else
+ bus->creds_mask &= ~mask;
+
/* The well knowns we need unconditionally, so that matches can work */
- bus->creds_mask = mask | SD_BUS_CREDS_WELL_KNOWN_NAMES|SD_BUS_CREDS_UNIQUE_NAME;
+ bus->creds_mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES|SD_BUS_CREDS_UNIQUE_NAME;
- return kdbus_translate_attach_flags(bus->creds_mask, &bus->attach_flags);
+ /* Make sure we don't lose the timestamp flag */
+ new_flags = (bus->attach_flags & KDBUS_ATTACH_TIMESTAMP) | attach_flags_to_kdbus(bus->creds_mask);
+ if (bus->attach_flags == new_flags)
+ return 0;
+
+ bus->attach_flags = new_flags;
+ if (bus->state != BUS_UNSET && bus->is_kernel)
+ bus_kernel_realize_attach_flags(bus);
+
+ return 0;
}
_public_ int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t server_id) {
return 0;
}
-_public_ int sd_bus_set_name(sd_bus *bus, const char *name) {
- char *n;
-
+_public_ int sd_bus_set_description(sd_bus *bus, const char *description) {
assert_return(bus, -EINVAL);
- assert_return(name, -EINVAL);
assert_return(bus->state == BUS_UNSET, -EPERM);
assert_return(!bus_pid_changed(bus), -ECHILD);
- n = strdup(name);
- if (!n)
- return -ENOMEM;
+ return free_and_strdup(&bus->description, description);
+}
- free(bus->connection_name);
- bus->connection_name = n;
+_public_ int sd_bus_set_allow_interactive_authorization(sd_bus *bus, int b) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+ bus->allow_interactive_authorization = !!b;
return 0;
}
+_public_ int sd_bus_get_allow_interactive_authorization(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return bus->allow_interactive_authorization;
+}
+
static int hello_callback(sd_bus *bus, sd_bus_message *reply, void *userdata, sd_bus_error *error) {
const char *s;
int r;
}
static int parse_container_unix_address(sd_bus *b, const char **p, char **guid) {
- _cleanup_free_ char *machine = NULL;
+ _cleanup_free_ char *machine = NULL, *pid = NULL;
int r;
assert(b);
else if (r > 0)
continue;
+ r = parse_address_key(p, "pid", &pid);
+ if (r < 0)
+ return r;
+ else if (r > 0)
+ continue;
+
skip_address_key(p);
}
- if (!machine)
+ if (!machine == !pid)
return -EINVAL;
- if (!machine_name_is_valid(machine))
- return -EINVAL;
+ if (machine) {
+ if (!machine_name_is_valid(machine))
+ return -EINVAL;
- free(b->machine);
- b->machine = machine;
- machine = NULL;
+ free(b->machine);
+ b->machine = machine;
+ machine = NULL;
+ } else {
+ free(b->machine);
+ b->machine = NULL;
+ }
+
+ if (pid) {
+ r = parse_pid(pid, &b->nspid);
+ if (r < 0)
+ return r;
+ } else
+ b->nspid = 0;
b->sockaddr.un.sun_family = AF_UNIX;
strncpy(b->sockaddr.un.sun_path, "/var/run/dbus/system_bus_socket", sizeof(b->sockaddr.un.sun_path));
}
static int parse_container_kernel_address(sd_bus *b, const char **p, char **guid) {
- _cleanup_free_ char *machine = NULL;
+ _cleanup_free_ char *machine = NULL, *pid = NULL;
int r;
assert(b);
else if (r > 0)
continue;
+ r = parse_address_key(p, "pid", &pid);
+ if (r < 0)
+ return r;
+ else if (r > 0)
+ continue;
+
skip_address_key(p);
}
- if (!machine)
+ if (!machine == !pid)
return -EINVAL;
- if (!machine_name_is_valid(machine))
- return -EINVAL;
+ if (machine) {
+ if (!machine_name_is_valid(machine))
+ return -EINVAL;
- free(b->machine);
- b->machine = machine;
- machine = NULL;
+ free(b->machine);
+ b->machine = machine;
+ machine = NULL;
+ } else {
+ free(b->machine);
+ b->machine = NULL;
+ }
+
+ if (pid) {
+ r = parse_pid(pid, &b->nspid);
+ if (r < 0)
+ return r;
+ } else
+ b->nspid = 0;
free(b->kernel);
- b->kernel = strdup("/dev/kdbus/0-system/bus");
+ b->kernel = strdup("/sys/fs/kdbus/0-system/bus");
if (!b->kernel)
return -ENOMEM;
b->kernel = NULL;
free(b->machine);
b->machine = NULL;
+ b->nspid = 0;
}
static int bus_parse_next_address(sd_bus *b) {
return r;
break;
- } else if (startswith(a, "x-container-unix:")) {
+ } else if (startswith(a, "x-machine-unix:")) {
- a += 17;
+ a += 15;
r = parse_container_unix_address(b, &a, &guid);
if (r < 0)
return r;
break;
- } else if (startswith(a, "x-container-kernel:")) {
+ } else if (startswith(a, "x-machine-kernel:")) {
- a += 19;
+ a += 17;
r = parse_container_kernel_address(b, &a, &guid);
if (r < 0)
return r;
if (b->exec_path)
r = bus_socket_exec(b);
- else if (b->machine && b->kernel)
+ else if ((b->nspid > 0 || b->machine) && b->kernel)
r = bus_container_connect_kernel(b);
- else if (b->machine && b->sockaddr.sa.sa_family != AF_UNSPEC)
+ else if ((b->nspid > 0 || b->machine) && b->sockaddr.sa.sa_family != AF_UNSPEC)
r = bus_container_connect_socket(b);
else if (b->kernel)
r = bus_kernel_connect(b);
* be safe, and authenticate everything */
b->trusted = false;
b->attach_flags |= KDBUS_ATTACH_CAPS | KDBUS_ATTACH_CREDS;
+ b->creds_mask |= SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_EFFECTIVE_CAPS;
r = sd_bus_start(b);
if (r < 0)
if (e)
return sd_bus_set_address(b, e);
- return sd_bus_set_address(b, DEFAULT_SYSTEM_BUS_PATH);
+ return sd_bus_set_address(b, DEFAULT_SYSTEM_BUS_ADDRESS);
}
_public_ int sd_bus_open_system(sd_bus **ret) {
* need the caller's UID and capability set for that. */
b->trusted = false;
b->attach_flags |= KDBUS_ATTACH_CAPS | KDBUS_ATTACH_CREDS;
+ b->creds_mask |= SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_EFFECTIVE_CAPS;
r = sd_bus_start(b);
if (r < 0)
return -ENOMEM;
#ifdef ENABLE_KDBUS
- asprintf(&b->address, KERNEL_USER_BUS_FMT ";" UNIX_USER_BUS_FMT, getuid(), ee);
+ (void) asprintf(&b->address, KERNEL_USER_BUS_ADDRESS_FMT ";" UNIX_USER_BUS_ADDRESS_FMT, getuid(), ee);
#else
- asprintf(&b->address, UNIX_USER_BUS_FMT, ee);
+ (void) asprintf(&b->address, UNIX_USER_BUS_ADDRESS_FMT, ee);
#endif
} else {
#ifdef ENABLE_KDBUS
- asprintf(&b->address, KERNEL_USER_BUS_FMT, getuid());
+ (void) asprintf(&b->address, KERNEL_USER_BUS_ADDRESS_FMT, getuid());
#else
return -ECONNREFUSED;
#endif
if (!e)
return -ENOMEM;
- c = strappenda(",argv4=--machine=", m);
+ c = strjoina(",argv4=--machine=", m);
}
}
bus->bus_client = true;
bus->trusted = false;
+ bus->is_system = true;
r = sd_bus_start(bus);
if (r < 0)
return r;
}
-int bus_set_address_system_container(sd_bus *b, const char *machine) {
+int bus_set_address_system_machine(sd_bus *b, const char *machine) {
_cleanup_free_ char *e = NULL;
assert(b);
return -ENOMEM;
#ifdef ENABLE_KDBUS
- b->address = strjoin("x-container-kernel:machine=", e, ";x-container-unix:machine=", e, NULL);
+ b->address = strjoin("x-machine-kernel:machine=", e, ";x-machine-unix:machine=", e, NULL);
#else
- b->address = strjoin("x-container-unix:machine=", e, NULL);
+ b->address = strjoin("x-machine-unix:machine=", e, NULL);
#endif
if (!b->address)
return -ENOMEM;
return 0;
}
-_public_ int sd_bus_open_system_container(sd_bus **ret, const char *machine) {
+_public_ int sd_bus_open_system_machine(sd_bus **ret, const char *machine) {
sd_bus *bus;
int r;
if (r < 0)
return r;
- r = bus_set_address_system_container(bus, machine);
+ r = bus_set_address_system_machine(bus, machine);
if (r < 0)
goto fail;
bus->bus_client = true;
bus->trusted = false;
+ bus->is_system = true;
r = sd_bus_start(bus);
if (r < 0)
return bus_type_is_valid(type);
}
-_public_ int sd_bus_get_server_id(sd_bus *bus, sd_id128_t *server_id) {
+_public_ int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id) {
int r;
assert_return(bus, -EINVAL);
- assert_return(server_id, -EINVAL);
+ assert_return(id, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
r = bus_ensure_running(bus);
if (r < 0)
return r;
- *server_id = bus->server_id;
+ *id = bus->server_id;
return 0;
}
assert(b);
assert(m);
+ /* Fake some timestamps, if they were requested, and not
+ * already initialized */
+ if (b->attach_flags & KDBUS_ATTACH_TIMESTAMP) {
+ if (m->realtime <= 0)
+ m->realtime = now(CLOCK_REALTIME);
+
+ if (m->monotonic <= 0)
+ m->monotonic = now(CLOCK_MONOTONIC);
+ }
+
/* The bus specification says the serial number cannot be 0,
* hence let's fill something in for synthetic messages. Since
* synthetic messages might have a fake sender and we don't
* pick a fixed, artificial one. We use (uint32_t) -1 rather
* than (uint64_t) -1 since dbus1 only had 32bit identifiers,
* even though kdbus can do 64bit. */
-
return bus_message_seal(m, 0xFFFFFFFFULL, 0);
}
/* If this is a reply and no reply was requested, then let's
* suppress this, if we can */
- if (m->dont_send && !cookie)
- return 1;
+ if (m->dont_send)
+ goto finish;
if ((bus->state == BUS_RUNNING || bus->state == BUS_HELLO) && bus->wqueue_size <= 0) {
size_t idx = 0;
}
return r;
- } else if (!bus->is_kernel && idx < BUS_MESSAGE_SIZE(m)) {
+ }
+
+ if (!bus->is_kernel && idx < BUS_MESSAGE_SIZE(m)) {
/* Wasn't fully written. So let's remember how
* much was written. Note that the first entry
* of the wqueue array is always allocated so
bus->wqueue_size = 1;
bus->windex = idx;
}
+
} else {
/* Just append it to the queue. */
bus->wqueue[bus->wqueue_size ++] = sd_bus_message_ref(m);
}
+finish:
if (cookie)
*cookie = BUS_MESSAGE_COOKIE(m);
if (r < 0)
return r;
- m->sender = "org.freedesktop.DBus";
-
r = bus_seal_synthetic_message(bus, m);
if (r < 0)
return r;
if (r < 0)
return r;
+ /* Copy over original timestamp */
+ synthetic_reply->realtime = m->realtime;
+ synthetic_reply->monotonic = m->monotonic;
+ synthetic_reply->seqnum = m->seqnum;
+
r = bus_seal_synthetic_message(bus, synthetic_reply);
if (r < 0)
return r;
if (r < 0)
return r;
- m->sender = "org.freedesktop.DBus.Local";
+ bus_message_set_sender_local(bus, m);
r = bus_seal_synthetic_message(bus, m);
if (r < 0)
if (need_more)
/* The caller really needs some more data, he doesn't
* care about what's already read, or any timeouts
- * except its own.*/
+ * except its own. */
e |= POLLIN;
else {
usec_t until;
if (r < 0)
return r;
- r = sd_event_source_set_name(bus->input_io_event_source, "bus-input");
+ r = sd_event_source_set_description(bus->input_io_event_source, "bus-input");
} else
r = sd_event_source_set_io_fd(bus->input_io_event_source, bus->input_fd);
if (r < 0)
return r;
- r = sd_event_source_set_name(bus->input_io_event_source, "bus-output");
+ r = sd_event_source_set_description(bus->input_io_event_source, "bus-output");
} else
r = sd_event_source_set_io_fd(bus->output_io_event_source, bus->output_fd);
if (r < 0)
goto fail;
- r = sd_event_source_set_name(bus->time_event_source, "bus-time");
+ r = sd_event_source_set_description(bus->time_event_source, "bus-time");
if (r < 0)
goto fail;
if (r < 0)
goto fail;
- r = sd_event_source_set_name(bus->quit_event_source, "bus-exit");
+ r = sd_event_source_set_description(bus->quit_event_source, "bus-exit");
if (r < 0)
goto fail;
return 0;
}
-_public_ int sd_bus_get_name(sd_bus *bus, const char **name) {
+_public_ int sd_bus_get_description(sd_bus *bus, const char **description) {
assert_return(bus, -EINVAL);
- assert_return(name, -EINVAL);
+ assert_return(description, -EINVAL);
+ assert_return(bus->description, -ENXIO);
assert_return(!bus_pid_changed(bus), -ECHILD);
- *name = bus->connection_name;
+ *description = bus->description;
return 0;
}
return r;
}
+
+_public_ int sd_bus_get_scope(sd_bus *bus, const char **scope) {
+ int r;
+
+ assert_return(bus, -EINVAL);
+ assert_return(scope, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (bus->is_kernel) {
+ _cleanup_free_ char *n = NULL;
+ const char *dash;
+
+ r = bus_kernel_get_bus_name(bus, &n);
+ if (r < 0)
+ return r;
+
+ if (streq(n, "0-system")) {
+ *scope = "system";
+ return 0;
+ }
+
+ dash = strchr(n, '-');
+ if (streq_ptr(dash, "-user")) {
+ *scope = "user";
+ return 0;
+ }
+ }
+
+ if (bus->is_user) {
+ *scope = "user";
+ return 0;
+ }
+
+ if (bus->is_system) {
+ *scope = "system";
+ return 0;
+ }
+
+ return -ENODATA;
+}
+
+_public_ int sd_bus_get_address(sd_bus *bus, const char **address) {
+
+ assert_return(bus, -EINVAL);
+ assert_return(address, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ if (bus->address) {
+ *address = bus->address;
+ return 0;
+ }
+
+ return -ENODATA;
+}
+
+int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *mask) {
+ assert_return(bus, -EINVAL);
+ assert_return(mask, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ *mask = bus->creds_mask;
+ return 0;
+}
+
+int sd_bus_is_bus_client(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return bus->bus_client;
+}
+
+int sd_bus_is_server(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return bus->is_server;
+}
+
+int sd_bus_is_anonymous(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return bus->anonymous_auth;
+}
+
+int sd_bus_is_trusted(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return bus->trusted;
+}
+
+int sd_bus_is_monitor(sd_bus *bus) {
+ assert_return(bus, -EINVAL);
+ assert_return(!bus_pid_changed(bus), -ECHILD);
+
+ return !!(bus->hello_flags & KDBUS_HELLO_MONITOR);
+}
~ianmdlvl / elogind.git / blobdiff