X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fhostnamed.c;h=f3b2c941731836fe5dfb751c9885ec88f8006c59;hb=9f84624270432cdff35c4f499fbdb9e0f94fe705;hp=c6b63cd9777ef900a5171e1ef3195f38acefd87a;hpb=a2e5283217b9e1e636ab3272e8d36e724a78cf6a;p=elogind.git diff --git a/src/hostnamed.c b/src/hostnamed.c index c6b63cd97..f3b2c9417 100644 --- a/src/hostnamed.c +++ b/src/hostnamed.c @@ -30,6 +30,8 @@ #include "strv.h" #include "dbus-common.h" #include "polkit.h" +#include "def.h" +#include "virt.h" #define INTERFACE \ " \n" \ @@ -85,6 +87,8 @@ static char *data[_PROP_MAX] = { NULL }; +static usec_t remain_until = 0; + static void free_data(void) { int p; @@ -230,7 +234,7 @@ static int write_data_other(void) { assert(name[p]); if (isempty(data[p])) { - l = strv_env_unset(l, name[p]); + strv_env_unset(l, name[p]); continue; } @@ -393,7 +397,7 @@ static DBusHandlerResult hostname_message_handler( return bus_send_error_reply(connection, message, NULL, r); } - log_info("Changed static host name to '%s'", strempty(data[PROP_HOSTNAME])); + log_info("Changed static host name to '%s'", strempty(data[PROP_STATIC_HOSTNAME])); changed = bus_properties_changed_new( "/org/freedesktop/hostname1", @@ -518,14 +522,24 @@ static int connect_bus(DBusConnection **_bus) { goto fail; } - if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL)) { + dbus_connection_set_exit_on_disconnect(bus, FALSE); + + if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL) || + !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) { log_error("Not enough memory"); r = -ENOMEM; goto fail; } - if (dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) { - log_error("Failed to register name on bus: %s", error.message); + r = dbus_bus_request_name(bus, "org.freedesktop.hostname1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error); + if (dbus_error_is_set(&error)) { + log_error("Failed to register name on bus: %s", bus_error_message(&error)); + r = -EEXIST; + goto fail; + } + + if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { + log_error("Failed to acquire name."); r = -EEXIST; goto fail; } @@ -547,11 +561,14 @@ fail: int main(int argc, char *argv[]) { int r; DBusConnection *bus = NULL; + bool exiting = false; log_set_target(LOG_TARGET_AUTO); log_parse_environment(); log_open(); + umask(0022); + if (argc == 2 && streq(argv[1], "--introspect")) { fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "\n", stdout); @@ -569,8 +586,6 @@ int main(int argc, char *argv[]) { if (!check_nss()) log_warning("Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!"); - umask(0022); - r = read_data(); if (r < 0) { log_error("Failed to read hostname data: %s", strerror(-r)); @@ -581,8 +596,17 @@ int main(int argc, char *argv[]) { if (r < 0) goto finish; - while (dbus_connection_read_write_dispatch(bus, -1)) - ; + remain_until = now(CLOCK_MONOTONIC) + DEFAULT_EXIT_USEC; + for (;;) { + + if (!dbus_connection_read_write_dispatch(bus, exiting ? -1 : (int) (DEFAULT_EXIT_USEC/USEC_PER_MSEC))) + break; + + if (!exiting && remain_until < now(CLOCK_MONOTONIC)) { + exiting = true; + bus_async_unregister_and_exit(bus, "org.freedesktop.hostname1"); + } + } r = 0;