diff options
Diffstat (limited to 'src/bus-proxyd/driver.c')
| -rw-r--r-- | src/bus-proxyd/driver.c | 745 |
1 files changed, 0 insertions, 745 deletions
diff --git a/src/bus-proxyd/driver.c b/src/bus-proxyd/driver.c deleted file mode 100644 index 1af5c310ea..0000000000 --- a/src/bus-proxyd/driver.c +++ /dev/null @@ -1,745 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - Copyright 2013 Daniel Mack - Copyright 2014 Kay Sievers - - 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 <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <stddef.h> -#include <string.h> - -#include "sd-bus.h" - -#include "alloc-util.h" -#include "bus-internal.h" -#include "bus-message.h" -#include "bus-util.h" -#include "driver.h" -#include "env-util.h" -#include "proxy.h" -#include "set.h" -#include "strv.h" -#include "synthesize.h" -#include "util.h" - -static int get_creds_by_name(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *c = NULL; - int r; - - assert(bus); - assert(name); - assert(_creds); - - r = sd_bus_get_name_creds(bus, name, mask, &c); - if (r == -ESRCH || r == -ENXIO) - return sd_bus_error_setf(error, SD_BUS_ERROR_NAME_HAS_NO_OWNER, "Name %s is currently not owned by anyone.", name); - if (r < 0) - return r; - - *_creds = c; - c = NULL; - - return 0; -} - -static int get_creds_by_message(sd_bus *bus, sd_bus_message *m, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) { - const char *name; - int r; - - assert(bus); - assert(m); - assert(_creds); - - r = sd_bus_message_read(m, "s", &name); - if (r < 0) - return r; - - return get_creds_by_name(bus, name, mask, _creds, error); -} - -static int driver_activation(sd_bus_message *reply, void *userdata, sd_bus_error *error) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; - ProxyActivation *activation = userdata; - - /* - * The org.freedesktop.DBus.Peer.Ping() call returned. We don't care - * whether this succeeded, failed, was not implemented or timed out. We - * cannot assume that the target reacts to this properly. Hence, just - * send the reply to the activation request and be done. - */ - - m = activation->request; /* claim reference */ - - --activation->proxy->n_activations; - LIST_REMOVE(activations_by_proxy, activation->proxy->activations, activation); - sd_bus_slot_unref(activation->slot); - free(activation); - - return synthetic_reply_method_return(m, "u", BUS_START_REPLY_SUCCESS); -} - -int bus_proxy_process_driver(Proxy *p, sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPolicy *sp, const struct ucred *ucred, Set *owned_names) { - int r; - - assert(a); - assert(b); - assert(m); - - if (!a->is_kernel) - return 0; - - if (!streq_ptr(sd_bus_message_get_destination(m), "org.freedesktop.DBus")) - return 0; - - /* The "Hello()" call is is handled in process_hello() */ - - if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus.Introspectable", "Introspect")) { - - if (!sd_bus_message_has_signature(m, "")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - return synthetic_reply_method_return(m, "s", - "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\" " - "\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n" - "<node>\n" - " <interface name=\"org.freedesktop.DBus.Introspectable\">\n" - " <method name=\"Introspect\">\n" - " <arg name=\"data\" type=\"s\" direction=\"out\"/>\n" - " </method>\n" - " </interface>\n" - " <interface name=\"org.freedesktop.DBus\">\n" - " <method name=\"AddMatch\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " </method>\n" - " <method name=\"RemoveMatch\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " </method>\n" - " <method name=\"GetConnectionCredentials\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"a{sv}\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"GetConnectionSELinuxSecurityContext\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"ay\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"GetConnectionUnixProcessID\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"GetConnectionUnixUser\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"GetId\">\n" - " <arg type=\"s\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"GetNameOwner\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"s\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"Hello\">\n" - " <arg type=\"s\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"ListActivatableNames\">\n" - " <arg type=\"as\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"ListNames\">\n" - " <arg type=\"as\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"ListQueuedOwners\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"as\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"NameHasOwner\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"b\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"ReleaseName\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"ReloadConfig\">\n" - " </method>\n" - " <method name=\"RequestName\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"StartServiceByName\">\n" - " <arg type=\"s\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"in\"/>\n" - " <arg type=\"u\" direction=\"out\"/>\n" - " </method>\n" - " <method name=\"UpdateActivationEnvironment\">\n" - " <arg type=\"a{ss}\" direction=\"in\"/>\n" - " </method>\n" - " <signal name=\"NameAcquired\">\n" - " <arg type=\"s\"/>\n" - " </signal>\n" - " <signal name=\"NameLost\">\n" - " <arg type=\"s\"/>\n" - " </signal>\n" - " <signal name=\"NameOwnerChanged\">\n" - " <arg type=\"s\"/>\n" - " <arg type=\"s\"/>\n" - " <arg type=\"s\"/>\n" - " </signal>\n" - " </interface>\n" - "</node>\n"); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "AddMatch")) { - const char *match; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &match); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_add_match(a, NULL, match, proxy_match, p); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, NULL); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "RemoveMatch")) { - const char *match; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &match); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = bus_remove_match_by_string(a, match, NULL, NULL); - if (r == 0) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_MATCH_RULE_NOT_FOUND, "Match rule not found")); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, NULL); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionCredentials")) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = get_creds_by_message(a, m, SD_BUS_CREDS_PID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SELINUX_CONTEXT, &creds, &error); - if (r < 0) - return synthetic_reply_method_errno(m, r, &error); - - r = sd_bus_message_new_method_return(m, &reply); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_open_container(reply, 'a', "{sv}"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - /* Due to i.e. namespace translations some data might be missing */ - - if (creds->mask & SD_BUS_CREDS_PID) { - r = sd_bus_message_append(reply, "{sv}", "ProcessID", "u", (uint32_t) creds->pid); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - } - - if (creds->mask & SD_BUS_CREDS_EUID) { - r = sd_bus_message_append(reply, "{sv}", "UnixUserID", "u", (uint32_t) creds->euid); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - } - - if (creds->mask & SD_BUS_CREDS_SELINUX_CONTEXT) { - r = sd_bus_message_open_container(reply, 'e', "sv"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_append(reply, "s", "LinuxSecurityLabel"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_open_container(reply, 'v', "ay"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_append_array(reply, 'y', creds->label, strlen(creds->label)); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_close_container(reply); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_close_container(reply); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - } - - r = sd_bus_message_close_container(reply); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_driver_send(m->bus, reply); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionSELinuxSecurityContext")) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = get_creds_by_message(a, m, SD_BUS_CREDS_SELINUX_CONTEXT, &creds, &error); - if (r < 0) - return synthetic_reply_method_errno(m, r, &error); - - if (!(creds->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) - return synthetic_reply_method_errno(m, -EOPNOTSUPP, NULL); - - r = sd_bus_message_new_method_return(m, &reply); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_append_array(reply, 'y', creds->label, strlen(creds->label)); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_driver_send(m->bus, reply); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionUnixProcessID")) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = get_creds_by_message(a, m, SD_BUS_CREDS_PID, &creds, &error); - if (r < 0) - return synthetic_reply_method_errno(m, r, &error); - - if (!(creds->mask & SD_BUS_CREDS_PID)) - return synthetic_reply_method_errno(m, -EOPNOTSUPP, NULL); - - return synthetic_reply_method_return(m, "u", (uint32_t) creds->pid); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionUnixUser")) { - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = get_creds_by_message(a, m, SD_BUS_CREDS_EUID, &creds, &error); - if (r < 0) - return synthetic_reply_method_errno(m, r, &error); - - if (!(creds->mask & SD_BUS_CREDS_EUID)) - return synthetic_reply_method_errno(m, -EOPNOTSUPP, NULL); - - return synthetic_reply_method_return(m, "u", (uint32_t) creds->euid); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetId")) { - sd_id128_t server_id; - char buf[SD_ID128_STRING_MAX]; - - if (!sd_bus_message_has_signature(m, "")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_get_bus_id(a, &server_id); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, "s", sd_id128_to_string(server_id, buf)); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetNameOwner")) { - const char *name; - _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &name); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (streq(name, "org.freedesktop.DBus")) - return synthetic_reply_method_return(m, "s", "org.freedesktop.DBus"); - - r = get_creds_by_name(a, name, SD_BUS_CREDS_UNIQUE_NAME, &creds, &error); - if (r < 0) - return synthetic_reply_method_errno(m, r, &error); - - if (!(creds->mask & SD_BUS_CREDS_UNIQUE_NAME)) - return synthetic_reply_method_errno(m, -EOPNOTSUPP, NULL); - - return synthetic_reply_method_return(m, "s", creds->unique_name); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ListActivatableNames")) { - _cleanup_strv_free_ char **names = NULL; - - if (!sd_bus_message_has_signature(m, "")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_list_names(a, NULL, &names); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - /* Let's sort the names list to make it stable */ - strv_sort(names); - - return synthetic_reply_method_return_strv(m, names); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ListNames")) { - _cleanup_strv_free_ char **names = NULL; - - if (!sd_bus_message_has_signature(m, "")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_list_names(a, &names, NULL); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = strv_extend(&names, "org.freedesktop.DBus"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - /* Let's sort the names list to make it stable */ - strv_sort(names); - - return synthetic_reply_method_return_strv(m, names); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ListQueuedOwners")) { - struct kdbus_cmd_list cmd = { - .flags = KDBUS_LIST_QUEUED, - .size = sizeof(cmd), - }; - struct kdbus_info *name_list, *name; - _cleanup_strv_free_ char **owners = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - char *arg0; - int err = 0; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &arg0); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_get_name_creds(a, arg0, 0, NULL); - if (r == -ESRCH || r == -ENXIO) { - sd_bus_error_setf(&error, SD_BUS_ERROR_NAME_HAS_NO_OWNER, "Could not get owners of name '%s': no such name.", arg0); - return synthetic_reply_method_errno(m, r, &error); - } - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = ioctl(a->input_fd, KDBUS_CMD_LIST, &cmd); - if (r < 0) - return synthetic_reply_method_errno(m, -errno, NULL); - - name_list = (struct kdbus_info *) ((uint8_t *) a->kdbus_buffer + cmd.offset); - - KDBUS_FOREACH(name, name_list, cmd.list_size) { - struct kdbus_item *item; - char *n; - - KDBUS_ITEM_FOREACH(item, name, items) { - if (item->type == KDBUS_ITEM_OWNED_NAME) { - if (!streq_ptr(item->name.name, arg0)) - continue; - - if (asprintf(&n, ":1.%llu", (unsigned long long) name->id) < 0) { - err = -ENOMEM; - break; - } - - r = strv_consume(&owners, n); - if (r < 0) { - err = r; - break; - } - } - } - - if (err < 0) - break; - } - - r = bus_kernel_cmd_free(a, cmd.offset); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (err < 0) - return synthetic_reply_method_errno(m, err, NULL); - - return synthetic_reply_method_return_strv(m, owners); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "NameHasOwner")) { - const char *name; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &name); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (streq(name, "org.freedesktop.DBus")) - return synthetic_reply_method_return(m, "b", true); - - r = sd_bus_get_name_creds(a, name, 0, NULL); - if (r < 0 && r != -ESRCH && r != -ENXIO) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, "b", r >= 0); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ReleaseName")) { - const char *name; - - if (!sd_bus_message_has_signature(m, "s")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "s", &name); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_release_name(a, name); - if (r < 0) { - if (r == -ESRCH) - return synthetic_reply_method_return(m, "u", BUS_NAME_NON_EXISTENT); - if (r == -EADDRINUSE) - return synthetic_reply_method_return(m, "u", BUS_NAME_NOT_OWNER); - - return synthetic_reply_method_errno(m, r, NULL); - } - - set_remove(owned_names, (char*) name); - - return synthetic_reply_method_return(m, "u", BUS_NAME_RELEASED); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ReloadConfig")) { - if (!sd_bus_message_has_signature(m, "")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = shared_policy_reload(sp); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, NULL); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "RequestName")) { - const char *name; - uint32_t flags, param; - bool in_queue; - - if (!sd_bus_message_has_signature(m, "su")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "su", &name, &flags); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (sp) { - Policy *policy; - bool denied; - - policy = shared_policy_acquire(sp); - denied = !policy_check_own(policy, ucred->uid, ucred->gid, name); - shared_policy_release(sp, policy); - if (denied) - return synthetic_reply_method_errno(m, -EPERM, NULL); - } - - if ((flags & ~(BUS_NAME_ALLOW_REPLACEMENT|BUS_NAME_REPLACE_EXISTING|BUS_NAME_DO_NOT_QUEUE)) != 0) - return synthetic_reply_method_errno(m, -EINVAL, NULL); - - param = 0; - if (flags & BUS_NAME_ALLOW_REPLACEMENT) - param |= SD_BUS_NAME_ALLOW_REPLACEMENT; - if (flags & BUS_NAME_REPLACE_EXISTING) - param |= SD_BUS_NAME_REPLACE_EXISTING; - if (!(flags & BUS_NAME_DO_NOT_QUEUE)) - param |= SD_BUS_NAME_QUEUE; - - r = set_put_strdup(owned_names, name); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_request_name(a, name, param); - if (r < 0) { - if (r == -EALREADY) - return synthetic_reply_method_return(m, "u", BUS_NAME_ALREADY_OWNER); - - set_remove(owned_names, (char*) name); - - if (r == -EEXIST) - return synthetic_reply_method_return(m, "u", BUS_NAME_EXISTS); - return synthetic_reply_method_errno(m, r, NULL); - } - - in_queue = (r == 0); - - if (in_queue) - return synthetic_reply_method_return(m, "u", BUS_NAME_IN_QUEUE); - - return synthetic_reply_method_return(m, "u", BUS_NAME_PRIMARY_OWNER); - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "StartServiceByName")) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *msg = NULL; - ProxyActivation *activation; - const char *name; - uint64_t cookie; - uint32_t flags; - - if (!sd_bus_message_has_signature(m, "su")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_read(m, "su", &name, &flags); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (flags != 0) - return synthetic_reply_method_errno(m, -EINVAL, NULL); - - r = sd_bus_get_name_creds(a, name, 0, NULL); - if (r >= 0 || streq(name, "org.freedesktop.DBus")) - return synthetic_reply_method_return(m, "u", BUS_START_REPLY_ALREADY_RUNNING); - if (r != -ESRCH) - return synthetic_reply_method_errno(m, r, NULL); - - if (p->n_activations >= PROXY_ACTIVATIONS_MAX) - return synthetic_reply_method_errno(m, -EMFILE, NULL); - - r = sd_bus_message_get_cookie(m, &cookie); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_new_method_call(a, - &msg, - name, - "/", - "org.freedesktop.DBus.Peer", - "Ping"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = bus_message_seal(msg, cookie, BUS_DEFAULT_TIMEOUT); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - activation = new0(ProxyActivation, 1); - if (!activation) - return synthetic_reply_method_errno(m, -ENOMEM, NULL); - - r = sd_bus_call_async(a, - &activation->slot, - msg, - driver_activation, - activation, - 0); - if (r < 0) { - free(activation); - return synthetic_reply_method_errno(m, r, NULL); - } - - activation->proxy = p; - activation->request = sd_bus_message_ref(m); - LIST_PREPEND(activations_by_proxy, p->activations, activation); - ++p->n_activations; - return 1; - - } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "UpdateActivationEnvironment")) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *msg = NULL; - _cleanup_strv_free_ char **args = NULL; - - if (!sd_bus_message_has_signature(m, "a{ss}")) - return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters")); - - r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{ss}"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "ss")) > 0) { - _cleanup_free_ char *s = NULL; - const char *key; - const char *value; - - r = sd_bus_message_read(m, "ss", &key, &value); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - s = strjoin(key, "=", value, NULL); - if (!s) - return synthetic_reply_method_errno(m, -ENOMEM, NULL); - - if (!env_assignment_is_valid(s)) { - log_warning("UpdateActivationEnvironment() called with invalid assignment, discarding: %s", s); - } else { - r = strv_extend(&args, s); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - } - - r = sd_bus_message_exit_container(m); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - } - - r = sd_bus_message_exit_container(m); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - if (strv_isempty(args)) /* nothing to do? */ - return synthetic_reply_method_return(m, NULL); - - r = sd_bus_message_new_method_call( - a, - &msg, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "SetEnvironment"); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_message_append_strv(msg, args); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - r = sd_bus_call(a, msg, 0, NULL, NULL); - if (r < 0) - return synthetic_reply_method_errno(m, r, NULL); - - return synthetic_reply_method_return(m, NULL); - - } else { - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - - r = sd_bus_error_setf(&error, SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method '%s'.", m->member); - - return synthetic_reply_method_errno(m, r, &error); - } -} |