static DBusMessage *unregister_agent(DBusConnection *conn,
DBusMessage *msg, void *data)
{
const char *path, *sender;
if (!agent)
return agent_does_not_exist(msg);
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID))
return invalid_args(msg);
if (strcmp(agent->path, path) != 0)
return agent_does_not_exist(msg);
sender = dbus_message_get_sender(msg);
if (strcmp(agent->bus_name, sender) != 0)
return not_authorized(msg);
g_dbus_remove_watch(conn, agent->watch_id);
agent_free(agent);
agent = NULL;
DBG("Agent unregistered");
return dbus_message_new_method_return(msg);
}
static DBusMessage *cancel_authorization(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
struct service_adapter *serv_adapter = data;
struct pending_auth *auth;
const gchar *sender;
bdaddr_t src;
sender = dbus_message_get_sender(msg);
auth = find_pending_by_sender(serv_adapter, sender);
if (auth == NULL)
return does_not_exist(msg);
if (serv_adapter->adapter)
adapter_get_address(serv_adapter->adapter, &src);
else
bacpy(&src, BDADDR_ANY);
btd_cancel_authorization(&src, &auth->dst);
reply = not_authorized(auth->msg);
dbus_message_unref(auth->msg);
g_dbus_send_message(auth->conn, reply);
dbus_connection_unref(auth->conn);
serv_adapter->pending_list = g_slist_remove(serv_adapter->pending_list,
auth);
g_free(auth);
auth = next_pending(serv_adapter);
if (auth == NULL)
goto done;
if (serv_adapter->adapter)
adapter_get_address(serv_adapter->adapter, &src);
else
bacpy(&src, BDADDR_ANY);
btd_request_authorization(&src, &auth->dst,
auth->uuid, auth_cb, serv_adapter);
done:
return dbus_message_new_method_return(msg);
}
static DBusMessage *transfer_cancel(DBusConnection *connection,
DBusMessage *msg, void *user_data)
{
struct obex_session *os = user_data;
const char *sender;
if (!os)
return invalid_args(msg);
sender = dbus_message_get_sender(msg);
if (strcmp(agent->bus_name, sender) != 0)
return not_authorized(msg);
os->aborted = TRUE;
return dbus_message_new_method_return(msg);
}
static void auth_cb(DBusError *derr, void *user_data)
{
struct service_adapter *serv_adapter = user_data;
DBusMessage *reply;
struct pending_auth *auth;
bdaddr_t src;
auth = next_pending(serv_adapter);
if (auth == NULL) {
info("Authorization cancelled: Client exited");
return;
}
if (derr) {
error("Access denied: %s", derr->message);
reply = not_authorized(auth->msg);
dbus_message_unref(auth->msg);
g_dbus_send_message(auth->conn, reply);
goto done;
}
g_dbus_send_reply(auth->conn, auth->msg,
DBUS_TYPE_INVALID);
done:
dbus_connection_unref(auth->conn);
serv_adapter->pending_list = g_slist_remove(serv_adapter->pending_list,
auth);
g_free(auth);
auth = next_pending(serv_adapter);
if (auth == NULL)
return;
if (serv_adapter->adapter)
adapter_get_address(serv_adapter->adapter, &src);
else
bacpy(&src, BDADDR_ANY);
btd_request_authorization(&src, &auth->dst,
auth->uuid, auth_cb, serv_adapter);
}
int main(int argc, char **argv) {
char crontab[11 + LOGIN_NAME_MAX] = "crontabs/";/* partial pathname */
struct passwd *pwent; /* passwd struct */
int ch; /* option character */
FILE *tab, *tmp = NULL; /* output/input files */
int action = CREATE;
#ifdef __WATCOMC__
nid_t nid = 0, qnx_strtonid(); /* server node */
pid_t server;
int local = 0;
argv0 = basename(argv[0]);
pwent = getpwuid(getuid());
umask(066);
while ((ch = getopt(argc, argv, "d:en:lLru:")) != EOF) {
switch (ch) {
case 'L':
nid = getnid();
local = !local;
break;
case 'n':
nid = qnx_strtonid(optarg);
local = !local;
break;
#else
void * server = NULL;
int fd; /* shm_open file handle */
int euid, egid;
argv0 = basename(argv[0]);
pwent = getpwuid(getuid());
umask(066);
while ((ch = getopt(argc, argv, "d:elru:")) != EOF) {
switch (ch) {
#endif
case 'd':
crondir = optarg;
break;
case 'e':
action = EDIT;
break;
case 'l':
if (action == REMOVE)
fatal_message("conflict: -r/-l");
action = LIST;
break;
case 'r':
if (action == LIST) {
fatal_message("conflict: -r/-l");
}
action = REMOVE;
break;
case 'u':
/* get name and uid/gid for user */
if ((pwent = getpwnam(optarg)) == 0) {
long id = strtol(optarg, (char **) &pwent, 10);
if (*(char *) pwent != 0) {
fatal_message("%s %s", "invalid user", optarg);
}
if ((pwent = getpwuid(id)) == 0) {
fatal_message("%s %s", "unknown user", optarg);
}
}
break;
default:
exit(EXIT_FAILURE);
}
}
/* make sure we're allowed to do anything with this crontab */
if (getuid() != pwent->pw_uid && getuid() != 0) {
fatal_message("access denied to crontab for %s", pwent->pw_name);
}
/* Locate the server */
#ifdef __WATCOMC__
switch (nid) {
case 0:
if ((server = qnx_name_locate(0, cronsrv + 1, 0, 0)) != -1) {
nid = getnid();
local++;
break;
}
/* fallthru */
default:
server = qnx_name_locate(nid, cronsrv + local, 0, 0);
}
if (server == -1)
fprintf(stderr, "warning: cron has not been started\n");
if (local) {
crondir = malloc(strlen(optarg = crondir) + 8);
sprintf(crondir, "%s.%ld", optarg, nid);
}
#else
/* check if cron server is running. */
if ((fd = shm_open(SHM_CRON, O_RDONLY, S_IRWXU )) == -1) {
fprintf(stderr, "warning: cron has not been started\n");
}
else if(MAP_FAILED == (server = mmap(0, sizeof(pid_t), PROT_READ, MAP_SHARED, fd, 0))) {
fatal_message("mmapp: %s", strerror(errno));
}
if(server && kill(*(pid_t *)server, 0) == -1) {
fatal_message("cron stopped abnormally");
}
close(fd);
#endif
strcat(crontab, pwent->pw_name);
if (optind == argc) {
if (action == CREATE || action == EDIT) {
char work[] = "/tmp/cronXXXX";
mktemp(work);
if (action == CREATE) {
/* read replacement crontab from stdin */
tmp = fopen(work, "w+");
while ((ch = getchar()) != EOF)
fputc(ch, tmp);
} else {
char *editor = getenv("EDITOR");
int status;
if (editor == NULL)
editor = "vi";
if (chdir(crondir) == -1)
fatal_message("%s: %s", crondir, strerror(errno));
if ((tab = fopen(crontab, "r")) == 0 && errno != ENOENT) {
fatal_message("%s/%s: %s", crondir, pwent->pw_name, strerror(errno));
}
egid = getegid();
euid = geteuid();
setegid(getgid());
seteuid(getuid());
tmp = fopen(work, "w+");
if (tab) {
while ((ch = fgetc(tab)) != EOF)
fputc(ch, tmp);
fflush(tmp);
fclose(tab);
}
if ((status = spawnlp(P_WAIT, editor, editor, work, 0))) {
remove(work);
fatal_message(status == -1 ? "unable to start %s" : "%s exited %d", editor, status);
}
setegid(egid);
seteuid(euid);
}
remove(work);
rewind(tmp);
}
} else if (optind == argc - 1 && action == CREATE) {
/* copy file onto crontab */
if (access(argv[optind], R_OK) != 0 || (tmp = fopen(argv[optind], "r")) == 0) {
fatal_message("%s: %s", argv[optind], strerror(errno));
}
} else {
fatal_message("too many arguments");
}
if(chdir(crondir) != 0)
fatal_message("crontab %s: %s", strerror(errno), crondir);
if (not_authorized(pwent->pw_name) && pwent->pw_uid != 0) {
fprintf(stderr, "warning: no permission for cron: %s\n", pwent->pw_name);
}
if (action == LIST) {
if ((tab = fopen(crontab, "r")) == 0) {
if(errno == ENOENT)
fatal_message("no crontab for %s", pwent->pw_name);
fatal_message("%s: %s", pwent->pw_name, strerror(errno));
} else {
while ((ch = fgetc(tab)) != EOF)
putchar(ch);
fclose(tab);
}
} else {
/* drop and store euid/egid, use uid/gid */
egid = getegid();
euid = geteuid();
setegid(getgid());
seteuid(getuid());
chmod(crontab, S_IRWXU); /* -rw---- */
if (action == REMOVE) {
if (remove(crontab) == -1 && errno != ENOENT) {
fatal_message("%s: %s", strerror(errno), crontab);
}
} else if (action == CREATE || action == EDIT) {
if ((tab = fopen(crontab, "w")) == NULL) {
fatal_message("%s: %s", strerror(errno), crontab);
}
while ((ch = fgetc(tmp)) != EOF)
fputc(ch, tab);
fflush(tab); /* Changing write permissions later! */
fchown(fileno(tab), pwent->pw_uid, pwent->pw_gid);
fchmod(fileno(tab), S_IRUSR); /* -r----- */
fclose(tab);
fclose(tmp);
}
/* restore euid/egid for kill */
setegid(egid);
seteuid(euid);
/* Notify server */
#ifdef __WATCOMC__
if (server != -1 && Send(server, pwent->pw_name, 0, strlen(pwent->pw_name) + 1, 0) < 0) {
#else
if(server && kill(*(pid_t *)server, SIGUSR1) == -1) {
#endif
fatal_message("inform cron about update: %s", strerror(errno));
}
}
return EXIT_SUCCESS;
}
static DBusMessage *request_authorization(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct record_data *user_record;
struct service_adapter *serv_adapter = data;
sdp_record_t *record;
sdp_list_t *services;
const char *sender;
dbus_uint32_t handle;
const char *address;
struct pending_auth *auth;
char uuid_str[MAX_LEN_UUID_STR];
uuid_t *uuid, *uuid128;
bdaddr_t src;
if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &address,
DBUS_TYPE_UINT32, &handle,
DBUS_TYPE_INVALID) == FALSE)
return NULL;
sender = dbus_message_get_sender(msg);
if (find_pending_by_sender(serv_adapter, sender))
return failed(msg);
user_record = find_record(serv_adapter, handle, sender);
if (!user_record) {
user_record = find_record(serv_adapter_any, handle, sender);
if (!user_record)
return not_authorized(msg);
}
record = sdp_record_find(user_record->handle);
if (sdp_get_service_classes(record, &services) < 0) {
sdp_record_free(record);
return not_authorized(msg);
}
if (services == NULL)
return not_authorized(msg);
uuid = services->data;
uuid128 = sdp_uuid_to_uuid128(uuid);
sdp_list_free(services, bt_free);
if (sdp_uuid2strn(uuid128, uuid_str, MAX_LEN_UUID_STR) < 0) {
bt_free(uuid128);
return not_authorized(msg);
}
bt_free(uuid128);
auth = g_new0(struct pending_auth, 1);
auth->msg = dbus_message_ref(msg);
auth->conn = dbus_connection_ref(connection);
auth->sender = user_record->sender;
memcpy(auth->uuid, uuid_str, MAX_LEN_UUID_STR);
str2ba(address, &auth->dst);
serv_adapter->pending_list = g_slist_append(serv_adapter->pending_list,
auth);
auth = next_pending(serv_adapter);
if (auth == NULL)
return does_not_exist(msg);
if (serv_adapter->adapter)
adapter_get_address(serv_adapter->adapter, &src);
else
bacpy(&src, BDADDR_ANY);
if (btd_request_authorization(&src, &auth->dst, auth->uuid, auth_cb,
serv_adapter) < 0) {
serv_adapter->pending_list = g_slist_remove(serv_adapter->pending_list,
auth);
g_free(auth);
return not_authorized(msg);
}
return NULL;
}
