X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd%2Fsd-bus%2Fbus-control.c;h=076bbce6b1a2c8438eb746cf8907fa5c4169b868;hb=8f077bf94e129fa1b6f0159e3140c4326f1066cf;hp=bb6683efff6e0b7ee32d663202327d2391de02af;hpb=09365592341b4ba4ceca677bb551dcde811e0333;p=elogind.git diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c index bb6683eff..076bbce6b 100644 --- a/src/libsystemd/sd-bus/bus-control.c +++ b/src/libsystemd/sd-bus/bus-control.c @@ -128,12 +128,14 @@ _public_ int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags) assert_return(bus, -EINVAL); assert_return(name, -EINVAL); assert_return(bus->bus_client, -EINVAL); - assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN); assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(!(flags & ~(SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_QUEUE)), -EINVAL); assert_return(service_name_is_valid(name), -EINVAL); assert_return(name[0] != ':', -EINVAL); + if (!BUS_IS_OPEN(bus->state)) + return -ENOTCONN; + if (bus->is_kernel) return bus_request_name_kernel(bus, name, flags); else @@ -201,11 +203,13 @@ _public_ int sd_bus_release_name(sd_bus *bus, const char *name) { assert_return(bus, -EINVAL); assert_return(name, -EINVAL); assert_return(bus->bus_client, -EINVAL); - assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN); assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(service_name_is_valid(name), -EINVAL); assert_return(name[0] != ':', -EINVAL); + if (!BUS_IS_OPEN(bus->state)) + return -ENOTCONN; + if (bus->is_kernel) return bus_release_name_kernel(bus, name); else @@ -342,9 +346,11 @@ static int bus_list_names_dbus1(sd_bus *bus, char ***acquired, char ***activatab _public_ int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable) { assert_return(bus, -EINVAL); assert_return(acquired || activatable, -EINVAL); - assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN); assert_return(!bus_pid_changed(bus), -ECHILD); + if (!BUS_IS_OPEN(bus->state)) + return -ENOTCONN; + if (bus->is_kernel) return bus_list_names_kernel(bus, acquired, activatable); else @@ -389,7 +395,7 @@ static int bus_get_owner_kdbus( /* Non-activated names are considered not available */ if (conn_info->flags & KDBUS_HELLO_ACTIVATOR) - return name[0] == ':' ? -ENXIO : -ENOENT; + return name[0] == ':' ? -ENXIO : -ESRCH; c = bus_creds_new(); if (!c) @@ -735,11 +741,13 @@ _public_ int sd_bus_get_owner( assert_return(name, -EINVAL); assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP); assert_return(mask == 0 || creds, -EINVAL); - assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN); assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(service_name_is_valid(name), -EINVAL); assert_return(bus->bus_client, -ENODATA); + if (!BUS_IS_OPEN(bus->state)) + return -ENOTCONN; + if (bus->is_kernel) return bus_get_owner_kdbus(bus, name, mask, creds); else @@ -917,7 +925,6 @@ static int add_name_change_match(sd_bus *bus, int bus_add_match_internal_kernel( sd_bus *bus, - uint64_t id, struct bus_match_component *components, unsigned n_components, uint64_t cookie) { @@ -1055,7 +1062,6 @@ int bus_add_match_internal_kernel( m = alloca0(sz); m->size = sz; m->cookie = cookie; - m->owner_id = id; item = m->items; @@ -1134,17 +1140,15 @@ int bus_add_match_internal( uint64_t cookie) { assert(bus); - assert(match); if (bus->is_kernel) - return bus_add_match_internal_kernel(bus, 0, components, n_components, cookie); + return bus_add_match_internal_kernel(bus, components, n_components, cookie); else return bus_add_match_internal_dbus1(bus, match); } int bus_remove_match_internal_kernel( sd_bus *bus, - uint64_t id, uint64_t cookie) { struct kdbus_cmd_match m; @@ -1155,7 +1159,6 @@ int bus_remove_match_internal_kernel( zero(m); m.size = offsetof(struct kdbus_cmd_match, items); m.cookie = cookie; - m.owner_id = id; r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_REMOVE, &m); if (r < 0) @@ -1193,10 +1196,9 @@ int bus_remove_match_internal( uint64_t cookie) { assert(bus); - assert(match); if (bus->is_kernel) - return bus_remove_match_internal_kernel(bus, 0, cookie); + return bus_remove_match_internal_kernel(bus, cookie); else return bus_remove_match_internal_dbus1(bus, match); } @@ -1209,10 +1211,12 @@ _public_ int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128 assert_return(bus, -EINVAL); assert_return(name, -EINVAL); assert_return(machine, -EINVAL); - assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN); assert_return(!bus_pid_changed(bus), -ECHILD); assert_return(service_name_is_valid(name), -EINVAL); + if (!BUS_IS_OPEN(bus->state)) + return -ENOTCONN; + if (streq_ptr(name, bus->unique_name)) return sd_id128_get_machine(machine);