/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include #include "strv.h" #include "sd-bus.h" #include "bus-internal.h" #include "bus-message.h" const char *sd_bus_get_unique_name(sd_bus *bus) { if (!bus) return NULL; return bus->unique_name; } int sd_bus_request_name(sd_bus *bus, const char *name, int flags) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; uint32_t ret; int r; if (!bus) return -EINVAL; if (!name) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "RequestName", &m); if (r < 0) return r; r = sd_bus_message_append(m, "su", name, flags); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); if (r < 0) return r; r = sd_bus_message_read(reply, "u", &ret); if (r < 0) return r; return ret; } int sd_bus_release_name(sd_bus *bus, const char *name) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; uint32_t ret; int r; if (!bus) return -EINVAL; if (!name) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "ReleaseName", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", name); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); if (r < 0) return r; r = sd_bus_message_read(reply, "u", &ret); if (r < 0) return r; return ret; } int sd_bus_list_names(sd_bus *bus, char ***l) { _cleanup_bus_message_unref_ sd_bus_message *m1 = NULL, *reply1 = NULL, *m2 = NULL, *reply2 = NULL; _cleanup_strv_free_ char **a = NULL, **b = NULL; char **x = NULL; int r; if (!bus) return -EINVAL; if (!l) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "ListNames", &m1); if (r < 0) return r; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "ListActivatableNames", &m2); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m1, (uint64_t) -1, NULL, &reply1); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m2, (uint64_t) -1, NULL, &reply2); if (r < 0) return r; r = sd_bus_message_read(reply1, "as", &a); if (r < 0) return r; r = sd_bus_message_read(reply2, "as", &b); if (r < 0) return r; x = strv_merge(a, b); if (!x) return -ENOMEM; *l = strv_uniq(x); return 0; } int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; int r; if (!bus) return -EINVAL; if (!name) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "GetNameOwner", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", name); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); if (r < 0) return r; return sd_bus_message_read(reply, "s", owner); } int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; uint32_t u; int r; if (!bus) return -EINVAL; if (!name) return -EINVAL; if (!uid) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "GetConnectionUnixUser", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", name); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); if (r < 0) return r; r = sd_bus_message_read(reply, "u", &u); if (r < 0) return r; *uid = (uid_t) u; return 0; } int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; uint32_t u; int r; if (!bus) return -EINVAL; if (!name) return -EINVAL; if (!pid) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "GetConnectionUnixUser", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", name); if (r < 0) return r; r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); if (r < 0) return r; r = sd_bus_message_read(reply, "u", &u); if (r < 0) return r; if (u == 0) return -EIO; *pid = (uid_t) u; return 0; } int sd_bus_add_match(sd_bus *bus, const char *match) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; int r; if (!bus) return -EINVAL; if (!match) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "AddMatch", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", match); if (r < 0) return r; return sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); } int sd_bus_remove_match(sd_bus *bus, const char *match) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; int r; if (!bus) return -EINVAL; if (!match) return -EINVAL; r = sd_bus_message_new_method_call( bus, "org.freedesktop.DBus", "/", "org.freedesktop.DBus", "RemoveMatch", &m); if (r < 0) return r; r = sd_bus_message_append(m, "s", match); if (r < 0) return r; return sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, NULL, &reply); }