diff options
Diffstat (limited to 'src/libsystemd/sd-bus/sd-bus.c')
-rw-r--r-- | src/libsystemd/sd-bus/sd-bus.c | 94 |
1 files changed, 65 insertions, 29 deletions
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c index cac9b65601..edc27aef87 100644 --- a/src/libsystemd/sd-bus/sd-bus.c +++ b/src/libsystemd/sd-bus/sd-bus.c @@ -20,19 +20,16 @@ ***/ #include <endian.h> -#include <assert.h> #include <stdlib.h> #include <unistd.h> #include <netdb.h> #include <poll.h> -#include <byteswap.h> #include <sys/mman.h> #include <pthread.h> #include "util.h" #include "macro.h" #include "strv.h" -#include "set.h" #include "missing.h" #include "def.h" #include "cgroup-util.h" @@ -45,8 +42,6 @@ #include "bus-socket.h" #include "bus-kernel.h" #include "bus-control.h" -#include "bus-introspect.h" -#include "bus-signature.h" #include "bus-objects.h" #include "bus-util.h" #include "bus-container.h" @@ -357,13 +352,30 @@ _public_ int sd_bus_set_description(sd_bus *bus, const char *description) { return free_and_strdup(&bus->description, description); } -static int hello_callback(sd_bus *bus, sd_bus_message *reply, void *userdata, sd_bus_error *error) { +_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_message *reply, void *userdata, sd_bus_error *error) { const char *s; + sd_bus *bus; int r; + assert(reply); + bus = reply->bus; assert(bus); assert(bus->state == BUS_HELLO || bus->state == BUS_CLOSING); - assert(reply); r = sd_bus_message_get_errno(reply); if (r > 0) @@ -1513,15 +1525,27 @@ static int bus_seal_message(sd_bus *b, sd_bus_message *m, usec_t timeout) { } static int bus_remarshal_message(sd_bus *b, sd_bus_message **m) { + bool remarshal = false; + assert(b); - /* Do packet version and endianness already match? */ - if ((b->message_version == 0 || b->message_version == (*m)->header->version) && - (b->message_endian == 0 || b->message_endian == (*m)->header->endian)) - return 0; + /* wrong packet version */ + if (b->message_version != 0 && b->message_version != (*m)->header->version) + remarshal = true; + + /* wrong packet endianness */ + if (b->message_endian != 0 && b->message_endian != (*m)->header->endian) + remarshal = true; - /* No? Then remarshal! */ - return bus_message_remarshal(b, m); + /* TODO: kdbus-messages received from the kernel contain data which is + * not allowed to be passed to KDBUS_CMD_SEND. Therefore, we have to + * force remarshaling of the message. Technically, we could just + * recreate the kdbus message, but that is non-trivial as other parts of + * the message refer to m->kdbus already. This should be fixed! */ + if ((*m)->kdbus && (*m)->release_kdbus) + remarshal = true; + + return remarshal ? bus_message_remarshal(b, m) : 0; } int bus_seal_synthetic_message(sd_bus *b, sd_bus_message *m) { @@ -1671,8 +1695,11 @@ static int bus_send_internal(sd_bus *bus, sd_bus_message *_m, uint64_t *cookie, _cleanup_bus_message_unref_ sd_bus_message *m = sd_bus_message_ref(_m); int r; - assert_return(bus, -EINVAL); assert_return(m, -EINVAL); + + if (!bus) + bus = m->bus; + assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(!bus->is_kernel || !(bus->hello_flags & KDBUS_HELLO_MONITOR), -EROFS); @@ -1684,7 +1711,7 @@ static int bus_send_internal(sd_bus *bus, sd_bus_message *_m, uint64_t *cookie, if (r < 0) return r; if (r == 0) - return -ENOTSUP; + return -EOPNOTSUPP; } /* If the cookie number isn't kept, then we know that no reply @@ -1757,8 +1784,11 @@ _public_ int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie) { _public_ int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie) { int r; - assert_return(bus, -EINVAL); assert_return(m, -EINVAL); + + if (!bus) + bus = m->bus; + assert_return(!bus_pid_changed(bus), -ECHILD); if (!BUS_IS_OPEN(bus->state)) @@ -1814,11 +1844,14 @@ _public_ int sd_bus_call_async( _cleanup_bus_slot_unref_ sd_bus_slot *s = NULL; int r; - assert_return(bus, -EINVAL); assert_return(m, -EINVAL); assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL); assert_return(!(m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED), -EINVAL); assert_return(callback, -EINVAL); + + if (!bus) + bus = m->bus; + assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(!bus->is_kernel || !(bus->hello_flags & KDBUS_HELLO_MONITOR), -EROFS); @@ -1912,11 +1945,14 @@ _public_ int sd_bus_call( unsigned i; int r; - assert_return(bus, -EINVAL); assert_return(m, -EINVAL); assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL); assert_return(!(m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED), -EINVAL); assert_return(!bus_error_is_dirty(error), -EINVAL); + + if (!bus) + bus = m->bus; + assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(!bus->is_kernel || !(bus->hello_flags & KDBUS_HELLO_MONITOR), -EROFS); @@ -2171,7 +2207,7 @@ static int process_timeout(sd_bus *bus) { bus->current_slot = sd_bus_slot_ref(slot); bus->current_handler = c->callback; bus->current_userdata = slot->userdata; - r = c->callback(bus, m, slot->userdata, &error_buffer); + r = c->callback(m, slot->userdata, &error_buffer); bus->current_userdata = NULL; bus->current_handler = NULL; bus->current_slot = NULL; @@ -2274,7 +2310,7 @@ static int process_reply(sd_bus *bus, sd_bus_message *m) { bus->current_slot = sd_bus_slot_ref(slot); bus->current_handler = c->callback; bus->current_userdata = slot->userdata; - r = c->callback(bus, m, slot->userdata, &error_buffer); + r = c->callback(m, slot->userdata, &error_buffer); bus->current_userdata = NULL; bus->current_handler = NULL; bus->current_slot = NULL; @@ -2321,7 +2357,7 @@ static int process_filter(sd_bus *bus, sd_bus_message *m) { bus->current_slot = sd_bus_slot_ref(slot); bus->current_handler = l->callback; bus->current_userdata = slot->userdata; - r = l->callback(bus, m, slot->userdata, &error_buffer); + r = l->callback(m, slot->userdata, &error_buffer); bus->current_userdata = NULL; bus->current_handler = NULL; bus->current_slot = sd_bus_slot_unref(slot); @@ -2602,7 +2638,7 @@ static int process_closing(sd_bus *bus, sd_bus_message **ret) { bus->current_slot = sd_bus_slot_ref(slot); bus->current_handler = c->callback; bus->current_userdata = slot->userdata; - r = c->callback(bus, m, slot->userdata, &error_buffer); + r = c->callback(m, slot->userdata, &error_buffer); bus->current_userdata = NULL; bus->current_handler = NULL; bus->current_slot = NULL; @@ -3376,7 +3412,7 @@ _public_ int sd_bus_try_close(sd_bus *bus) { assert_return(!bus_pid_changed(bus), -ECHILD); if (!bus->is_kernel) - return -ENOTSUP; + return -EOPNOTSUPP; if (!BUS_IS_OPEN(bus->state)) return -ENOTCONN; @@ -3477,7 +3513,7 @@ _public_ int sd_bus_get_address(sd_bus *bus, const char **address) { return -ENODATA; } -int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *mask) { +_public_ 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); @@ -3486,35 +3522,35 @@ int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *mask) { return 0; } -int sd_bus_is_bus_client(sd_bus *bus) { +_public_ 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) { +_public_ 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) { +_public_ 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) { +_public_ 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) { +_public_ int sd_bus_is_monitor(sd_bus *bus) { assert_return(bus, -EINVAL); assert_return(!bus_pid_changed(bus), -ECHILD); |