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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <systemd/sd-bus.h>
#include "npassd/common.h"
#include "npassd/service.h"
#include "util.h"
#define SERVICE_IFACE "org.freedesktop.Secret.Service"
static int handle_open_session(sd_bus_message *msg, void *data,
sd_bus_error *ret_error);
static int handle_search_items(sd_bus_message *msg, void *data,
sd_bus_error *ret_error);
static int handle_create_collection(sd_bus_message *msg, void *data,
sd_bus_error *ret_error);
static int handle_read_alias(sd_bus_message *msg, void *data,
sd_bus_error *ret_error);
static const sd_bus_vtable service_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_METHOD("OpenSession", "sv", "vo", handle_open_session,
SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SearchItems", "a{ss}", "aoao", handle_search_items,
SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CreateCollection", "a{sv}s", "oo",
handle_create_collection, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ReadAlias", "s", "o", handle_read_alias,
SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_VTABLE_END,
};
static int handle_search_items(__attribute__((unused)) sd_bus_message *msg,
__attribute__((unused)) void *data,
__attribute__((unused)) sd_bus_error *ret_error)
{
return sd_bus_reply_method_return(msg, "aoao", 0, 0);
}
static int handle_create_collection(sd_bus_message *msg, void *data,
__attribute__((unused))
sd_bus_error *ret_error)
{
const char *label, *alias, *key;
struct service *service = data;
struct collection *collection;
char *root;
int ret;
ret = sd_bus_message_enter_container(msg, SD_BUS_TYPE_ARRAY, "{sv}");
if (ret <= 0) {
print_err("%s", strerror(ret < 0 ? -ret : EINVAL));
return ret < 0 ? ret : -EINVAL;
}
ret = sd_bus_message_enter_container(msg, SD_BUS_TYPE_DICT_ENTRY, "sv");
if (ret <= 0) {
print_err("%s", strerror(ret < 0 ? -ret : EINVAL));
return ret < 0 ? ret : -EINVAL;
}
ret = sd_bus_message_read(msg, "s", &key);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = strcmp("org.freedesktop.Secret.Collection.Label", key);
if (ret) {
print_err("Unsupported property key: %s", key);
return -EINVAL;
}
ret = sd_bus_message_read(msg, "v", "s", &label);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = sd_bus_message_exit_container(msg);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = sd_bus_message_exit_container(msg);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = sd_bus_message_read(msg, "s", &alias);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = collection_root_make(label, alias, &root);
if (ret < 0)
return ret;
ret = collection_new(service->bus, service->db, &collection, alias,
label, root);
free(root);
if (ret < 0)
return ret;
ret = sd_bus_reply_method_return(msg, "oo", collection->path, "/");
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
LIST_INSERT_HEAD(&service->collections, collection, dlist);
return ret;
}
static int handle_read_alias(sd_bus_message *msg, void *data,
__attribute__((unused)) sd_bus_error *ret_error)
{
struct service *service = data;
struct collection *collection;
const char *alias;
int ret;
ret = sd_bus_message_read(msg, "s", &alias);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
ret = collection_alias_search(&service->collections, alias,
&collection);
if (ret >= 0) {
ret = sd_bus_reply_method_return(msg, "o", collection->path);
if (ret < 0)
print_err("%s", strerror(-ret));
return ret;
}
ret = collection_db_alias_read(service->bus, service->db, &collection,
alias);
if (ret < 0) {
ret = sd_bus_reply_method_return(msg, "o", "/");
if (ret < 0)
print_err("%s", strerror(-ret));
return ret;
}
ret = sd_bus_reply_method_return(msg, "o", collection->path);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
LIST_INSERT_HEAD(&service->collections, collection, dlist);
return ret;
}
static int handle_open_session(sd_bus_message *msg, void *data,
sd_bus_error *ret_error)
{
struct service *service = data;
struct session *session;
const char *sender;
char *algo;
int ret;
ret = sd_bus_message_read(msg, "s", &algo);
if (ret < 0)
return ret;
ret = strcmp(algo, "plain");
if (ret) {
sd_bus_error_set_const(ret_error, SD_BUS_ERROR_NOT_SUPPORTED,
"Unsupported encryption algorithm");
return -ENOTSUP;
}
sender = sd_bus_message_get_sender(msg);
ret = session_new(service->bus, &session, sender);
if (ret < 0)
return ret;
ret = sd_bus_reply_method_return(msg, "vo", "s", NULL, session->path);
if (ret < 0) {
print_err("%s", strerror(-ret));
return ret;
}
LIST_INSERT_HEAD(&service->sessions, session, dlist);
return ret;
}
void service_free(struct service *service)
{
struct session *s;
struct collection *c;
LIST_FOREACH (s, &service->sessions, dlist)
session_free(s);
LIST_FOREACH (c, &service->collections, dlist)
collection_free(c);
sd_bus_slot_unref(service->slot);
}
int service_init(sd_bus *bus, struct service *service)
{
int ret;
service->bus = bus;
LIST_INIT(&service->sessions);
LIST_INIT(&service->collections);
ret = sd_bus_add_object_vtable(service->bus, &service->slot,
DBUS_OBJECT_PATH, SERVICE_IFACE,
service_vtable, service);
if (ret < 0)
print_err("Failed to connect to bus: %s", strerror(-ret));
return ret;
}
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