diff options
Diffstat (limited to 'src/libsystemd/sd-bus')
21 files changed, 79 insertions, 24 deletions
diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c index 773c264cf0..92b12f2ae8 100644 --- a/src/libsystemd/sd-bus/bus-control.c +++ b/src/libsystemd/sd-bus/bus-control.c @@ -32,7 +32,6 @@ #include "bus-message.h" #include "bus-control.h" #include "bus-bloom.h" -#include "bus-util.h" #include "capability.h" _public_ int sd_bus_get_unique_name(sd_bus *bus, const char **unique) { diff --git a/src/libsystemd/sd-bus/bus-convenience.c b/src/libsystemd/sd-bus/bus-convenience.c index dfd82e746d..87898449e6 100644 --- a/src/libsystemd/sd-bus/bus-convenience.c +++ b/src/libsystemd/sd-bus/bus-convenience.c @@ -22,7 +22,6 @@ #include "bus-internal.h" #include "bus-message.h" #include "bus-signature.h" -#include "bus-util.h" #include "bus-type.h" _public_ int sd_bus_emit_signal( diff --git a/src/libsystemd/sd-bus/bus-creds.c b/src/libsystemd/sd-bus/bus-creds.c index 1c365b7fcd..130fbf7a23 100644 --- a/src/libsystemd/sd-bus/bus-creds.c +++ b/src/libsystemd/sd-bus/bus-creds.c @@ -31,10 +31,10 @@ #include "fileio.h" #include "audit.h" #include "bus-message.h" -#include "bus-util.h" #include "strv.h" #include "bus-creds.h" #include "bus-label.h" +#include "bus-internal.h" enum { CAP_OFFSET_INHERITABLE = 0, diff --git a/src/libsystemd/sd-bus/bus-internal.c b/src/libsystemd/sd-bus/bus-internal.c index fea796cd30..f4ab57f5bc 100644 --- a/src/libsystemd/sd-bus/bus-internal.c +++ b/src/libsystemd/sd-bus/bus-internal.c @@ -371,3 +371,45 @@ int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error) { return 1; } + +bool is_kdbus_wanted(void) { + _cleanup_free_ char *value = NULL; +#ifdef ENABLE_KDBUS + const bool configured = true; +#else + const bool configured = false; +#endif + int r; + + if (get_proc_cmdline_key("kdbus", NULL) > 0) + return true; + + r = get_proc_cmdline_key("kdbus=", &value); + if (r <= 0) + return configured; + + return parse_boolean(value) == 1; +} + +bool is_kdbus_available(void) { + static int cached = -1; + _cleanup_close_ int fd = -1; + struct kdbus_cmd cmd = { .size = sizeof(cmd), .flags = KDBUS_FLAG_NEGOTIATE }; + + if (cached >= 0) + return (bool) cached; + + if (!is_kdbus_wanted()) { + cached = false; + return false; + } + + fd = open("/sys/fs/kdbus/control", O_RDWR | O_CLOEXEC | O_NONBLOCK | O_NOCTTY); + if (fd < 0) { + cached = false; + return false; + } + + cached = ioctl(fd, KDBUS_CMD_BUS_MAKE, &cmd) >= 0; + return cached; +} diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h index c3e20ee1bf..d420a7594f 100644 --- a/src/libsystemd/sd-bus/bus-internal.h +++ b/src/libsystemd/sd-bus/bus-internal.h @@ -37,6 +37,29 @@ #include "bus-kernel.h" #include "kdbus.h" +typedef enum BusTransport { + BUS_TRANSPORT_LOCAL, + BUS_TRANSPORT_REMOTE, + BUS_TRANSPORT_MACHINE, + _BUS_TRANSPORT_MAX, + _BUS_TRANSPORT_INVALID = -1 +} BusTransport; + +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_flush_close_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_slot*, sd_bus_slot_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_creds*, sd_bus_creds_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_track*, sd_bus_track_unref); + +#define _cleanup_bus_unref_ _cleanup_(sd_bus_unrefp) +#define _cleanup_bus_flush_close_unref_ _cleanup_(sd_bus_flush_close_unrefp) +#define _cleanup_bus_slot_unref_ _cleanup_(sd_bus_slot_unrefp) +#define _cleanup_bus_message_unref_ _cleanup_(sd_bus_message_unrefp) +#define _cleanup_bus_creds_unref_ _cleanup_(sd_bus_creds_unrefp) +#define _cleanup_bus_track_unref_ _cleanup_(sd_bus_slot_unrefp) +#define _cleanup_bus_error_free_ _cleanup_(sd_bus_error_free) + struct reply_callback { sd_bus_message_handler_t callback; usec_t timeout; @@ -393,3 +416,6 @@ int bus_remove_match_by_string(sd_bus *bus, const char *match, sd_bus_message_ha int bus_get_root_path(sd_bus *bus); int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error); + +bool is_kdbus_wanted(void); +bool is_kdbus_available(void); diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c index 22a43c4542..21f3700128 100644 --- a/src/libsystemd/sd-bus/bus-kernel.c +++ b/src/libsystemd/sd-bus/bus-kernel.c @@ -45,7 +45,6 @@ #include "bus-message.h" #include "bus-kernel.h" #include "bus-bloom.h" -#include "bus-util.h" #include "bus-label.h" #define UNIQUE_NAME_MAX (3+DECIMAL_STR_MAX(uint64_t)) diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c index 18c36ce243..f3b49c0c90 100644 --- a/src/libsystemd/sd-bus/bus-match.c +++ b/src/libsystemd/sd-bus/bus-match.c @@ -22,7 +22,6 @@ #include "bus-internal.h" #include "bus-message.h" #include "bus-match.h" -#include "bus-util.h" #include "strv.h" /* Example: diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c index 94427ed664..b0577cc412 100644 --- a/src/libsystemd/sd-bus/bus-message.c +++ b/src/libsystemd/sd-bus/bus-message.c @@ -35,7 +35,6 @@ #include "bus-type.h" #include "bus-signature.h" #include "bus-gvariant.h" -#include "bus-util.h" static int message_append_basic(sd_bus_message *m, char type, const void *p, const void **stored); diff --git a/src/libsystemd/sd-bus/bus-objects.c b/src/libsystemd/sd-bus/bus-objects.c index c25293e5e9..17ce297510 100644 --- a/src/libsystemd/sd-bus/bus-objects.c +++ b/src/libsystemd/sd-bus/bus-objects.c @@ -26,7 +26,6 @@ #include "bus-type.h" #include "bus-signature.h" #include "bus-introspect.h" -#include "bus-util.h" #include "bus-slot.h" #include "bus-objects.h" diff --git a/src/libsystemd/sd-bus/bus-track.c b/src/libsystemd/sd-bus/bus-track.c index e43891be25..7803e39c3d 100644 --- a/src/libsystemd/sd-bus/bus-track.c +++ b/src/libsystemd/sd-bus/bus-track.c @@ -20,7 +20,6 @@ ***/ #include "sd-bus.h" -#include "bus-util.h" #include "bus-internal.h" #include "bus-track.h" diff --git a/src/libsystemd/sd-bus/busctl.c b/src/libsystemd/sd-bus/busctl.c index a1f0f30d6c..181621ffc7 100644 --- a/src/libsystemd/sd-bus/busctl.c +++ b/src/libsystemd/sd-bus/busctl.c @@ -30,7 +30,6 @@ #include "set.h" #include "sd-bus.h" -#include "bus-internal.h" #include "bus-util.h" #include "bus-dump.h" #include "bus-signature.h" diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c index 0f075907d5..763f830e2d 100644 --- a/src/libsystemd/sd-bus/sd-bus.c +++ b/src/libsystemd/sd-bus/sd-bus.c @@ -43,7 +43,6 @@ #include "bus-kernel.h" #include "bus-control.h" #include "bus-objects.h" -#include "bus-util.h" #include "bus-container.h" #include "bus-protocol.h" #include "bus-track.h" @@ -1173,7 +1172,10 @@ int bus_set_address_system(sd_bus *b) { if (e) return sd_bus_set_address(b, e); - return sd_bus_set_address(b, DEFAULT_SYSTEM_BUS_ADDRESS); + if (is_kdbus_available()) + return sd_bus_set_address(b, KERNEL_SYSTEM_BUS_ADDRESS); + + return sd_bus_set_address(b, UNIX_SYSTEM_BUS_ADDRESS); } _public_ int sd_bus_open_system(sd_bus **ret) { @@ -1221,16 +1223,17 @@ int bus_set_address_user(sd_bus *b) { return sd_bus_set_address(b, e); e = secure_getenv("XDG_RUNTIME_DIR"); - if (e) { + if (is_kdbus_available()) + (void) asprintf(&b->address, KERNEL_USER_BUS_ADDRESS_FMT, getuid()); + else if (e) { _cleanup_free_ char *ee = NULL; ee = bus_address_escape(e); if (!ee) return -ENOMEM; - (void) asprintf(&b->address, KERNEL_USER_BUS_ADDRESS_FMT ";" UNIX_USER_BUS_ADDRESS_FMT, getuid(), ee); - } else - (void) asprintf(&b->address, KERNEL_USER_BUS_ADDRESS_FMT, getuid()); + (void) asprintf(&b->address, UNIX_USER_BUS_ADDRESS_FMT, ee); + } if (!b->address) return -ENOMEM; diff --git a/src/libsystemd/sd-bus/test-bus-benchmark.c b/src/libsystemd/sd-bus/test-bus-benchmark.c index d14110aa04..d3bf6da850 100644 --- a/src/libsystemd/sd-bus/test-bus-benchmark.c +++ b/src/libsystemd/sd-bus/test-bus-benchmark.c @@ -28,7 +28,6 @@ #include "sd-bus.h" #include "bus-kernel.h" #include "bus-internal.h" -#include "bus-util.h" #define MAX_SIZE (2*1024*1024) diff --git a/src/libsystemd/sd-bus/test-bus-chat.c b/src/libsystemd/sd-bus/test-bus-chat.c index 754335b5e7..b97729caf7 100644 --- a/src/libsystemd/sd-bus/test-bus-chat.c +++ b/src/libsystemd/sd-bus/test-bus-chat.c @@ -33,7 +33,6 @@ #include "bus-error.h" #include "bus-match.h" #include "bus-internal.h" -#include "bus-util.h" static int match_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { log_info("Match triggered! interface=%s member=%s", strna(sd_bus_message_get_interface(m)), strna(sd_bus_message_get_member(m))); diff --git a/src/libsystemd/sd-bus/test-bus-cleanup.c b/src/libsystemd/sd-bus/test-bus-cleanup.c index f586880593..b483d47468 100644 --- a/src/libsystemd/sd-bus/test-bus-cleanup.c +++ b/src/libsystemd/sd-bus/test-bus-cleanup.c @@ -22,7 +22,6 @@ #include <stdio.h> #include "sd-bus.h" -#include "bus-util.h" #include "bus-internal.h" #include "bus-message.h" #include "refcnt.h" diff --git a/src/libsystemd/sd-bus/test-bus-error.c b/src/libsystemd/sd-bus/test-bus-error.c index 5753c04b0e..f2cfbc706f 100644 --- a/src/libsystemd/sd-bus/test-bus-error.c +++ b/src/libsystemd/sd-bus/test-bus-error.c @@ -20,7 +20,6 @@ ***/ #include "sd-bus.h" -#include "bus-error.h" #include "bus-util.h" #include "errno-list.h" #include "bus-common-errors.h" diff --git a/src/libsystemd/sd-bus/test-bus-gvariant.c b/src/libsystemd/sd-bus/test-bus-gvariant.c index b078bdc5f6..414d4e9a58 100644 --- a/src/libsystemd/sd-bus/test-bus-gvariant.c +++ b/src/libsystemd/sd-bus/test-bus-gvariant.c @@ -27,7 +27,6 @@ #include "macro.h" #include "sd-bus.h" #include "bus-gvariant.h" -#include "bus-util.h" #include "bus-internal.h" #include "bus-message.h" #include "bus-dump.h" diff --git a/src/libsystemd/sd-bus/test-bus-kernel.c b/src/libsystemd/sd-bus/test-bus-kernel.c index 6506eaab2e..6284153a58 100644 --- a/src/libsystemd/sd-bus/test-bus-kernel.c +++ b/src/libsystemd/sd-bus/test-bus-kernel.c @@ -25,8 +25,8 @@ #include "log.h" #include "sd-bus.h" -#include "bus-kernel.h" #include "bus-util.h" +#include "bus-kernel.h" #include "bus-dump.h" int main(int argc, char *argv[]) { diff --git a/src/libsystemd/sd-bus/test-bus-match.c b/src/libsystemd/sd-bus/test-bus-match.c index 83cb5c62c2..f659ba3124 100644 --- a/src/libsystemd/sd-bus/test-bus-match.c +++ b/src/libsystemd/sd-bus/test-bus-match.c @@ -24,7 +24,6 @@ #include "bus-match.h" #include "bus-message.h" -#include "bus-util.h" #include "bus-slot.h" static bool mask[32]; diff --git a/src/libsystemd/sd-bus/test-bus-objects.c b/src/libsystemd/sd-bus/test-bus-objects.c index 359984c7f3..1457759d0e 100644 --- a/src/libsystemd/sd-bus/test-bus-objects.c +++ b/src/libsystemd/sd-bus/test-bus-objects.c @@ -30,7 +30,6 @@ #include "sd-bus.h" #include "bus-internal.h" #include "bus-message.h" -#include "bus-util.h" #include "bus-dump.h" struct context { diff --git a/src/libsystemd/sd-bus/test-bus-server.c b/src/libsystemd/sd-bus/test-bus-server.c index 080d8eddb7..604df098cc 100644 --- a/src/libsystemd/sd-bus/test-bus-server.c +++ b/src/libsystemd/sd-bus/test-bus-server.c @@ -28,7 +28,6 @@ #include "sd-bus.h" #include "bus-internal.h" -#include "bus-util.h" struct context { int fds[2]; |