Moving all adapter initialization code to hciops plugin.

1 files changed, 247 insertions, 1 deletions

diff --git a/plugins/hciops.c b/plugins/hciops.c
index 06f3f7cce..06e76e80f 100644
--- a/plugins/hciops.c
+++ b/plugins/hciops.c
@@ -23,10 +23,19 @@
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
+
+#include <stdio.h>
 #include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/stat.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/ioctl.h>
+#include <sys/wait.h>
 
 #include <bluetooth/bluetooth.h>
 #include <bluetooth/hci.h>
@@ -34,10 +43,235 @@
 
 #include <glib.h>
 
+#include <dbus/dbus.h>
+
 #include "hcid.h"
+#include "sdpd.h"
+#include "adapter.h"
 #include "plugin.h"
 #include "logging.h"
+#include "manager.h"
+#include "storage.h"
+
+static int child_pipe[2];
+
+static gboolean child_exit(GIOChannel *io, GIOCondition cond, void *user_data)
+{
+	int status, fd = g_io_channel_unix_get_fd(io);
+	pid_t child_pid;
+
+	if (read(fd, &child_pid, sizeof(child_pid)) != sizeof(child_pid)) {
+		error("child_exit: unable to read child pid from pipe");
+		return TRUE;
+	}
+
+	if (waitpid(child_pid, &status, 0) != child_pid)
+		error("waitpid(%d) failed", child_pid);
+	else
+		debug("child %d exited", child_pid);
+
+	return TRUE;
+}
+
+static void at_child_exit(void)
+{
+	pid_t pid = getpid();
+
+	if (write(child_pipe[1], &pid, sizeof(pid)) != sizeof(pid))
+		error("unable to write to child pipe");
+}
+
+static void configure_device(int dev_id)
+{
+	struct hci_dev_info di;
+	uint16_t policy;
+	int dd;
+
+	if (hci_devinfo(dev_id, &di) < 0)
+		return;
+
+	if (hci_test_bit(HCI_RAW, &di.flags))
+		return;
+
+	dd = hci_open_dev(dev_id);
+	if (dd < 0) {
+		error("Can't open device hci%d: %s (%d)",
+						dev_id, strerror(errno), errno);
+		return;
+	}
+
+	/* Set device name */
+	if ((main_opts.flags & (1 << HCID_SET_NAME)) && main_opts.name) {
+		change_local_name_cp cp;
+
+		memset(cp.name, 0, sizeof(cp.name));
+		expand_name((char *) cp.name, sizeof(cp.name),
+						main_opts.name, dev_id);
+
+		hci_send_cmd(dd, OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME,
+					CHANGE_LOCAL_NAME_CP_SIZE, &cp);
+	}
+
+	/* Set device class */
+	if ((main_opts.flags & (1 << HCID_SET_CLASS))) {
+		write_class_of_dev_cp cp;
+		uint32_t class;
+		uint8_t cls[3];
+
+		if (read_local_class(&di.bdaddr, cls) < 0) {
+			class = htobl(main_opts.class);
+			cls[2] = get_service_classes(&di.bdaddr);
+			memcpy(cp.dev_class, &class, 3);
+		} else {
+			if (!(main_opts.scan & SCAN_INQUIRY))
+				cls[1] &= 0xdf; /* Clear discoverable bit */
+			cls[2] = get_service_classes(&di.bdaddr);
+			memcpy(cp.dev_class, cls, 3);
+		}
+
+		hci_send_cmd(dd, OGF_HOST_CTL, OCF_WRITE_CLASS_OF_DEV,
+					WRITE_CLASS_OF_DEV_CP_SIZE, &cp);
+	}
+
+	/* Set page timeout */
+	if ((main_opts.flags & (1 << HCID_SET_PAGETO))) {
+		write_page_timeout_cp cp;
+
+		cp.timeout = htobs(main_opts.pageto);
+		hci_send_cmd(dd, OGF_HOST_CTL, OCF_WRITE_PAGE_TIMEOUT,
+					WRITE_PAGE_TIMEOUT_CP_SIZE, &cp);
+	}
+
+	/* Set default link policy */
+	policy = htobs(main_opts.link_policy);
+	hci_send_cmd(dd, OGF_LINK_POLICY,
+				OCF_WRITE_DEFAULT_LINK_POLICY, 2, &policy);
+
+	hci_close_dev(dd);
+}
+
+static void init_device(int dev_id)
+{
+	struct hci_dev_req dr;
+	struct hci_dev_info di;
+	pid_t pid;
+	int dd;
+
+	/* Do initialization in the separate process */
+	pid = fork();
+	switch (pid) {
+		case 0:
+			atexit(at_child_exit);
+			break;
+		case -1:
+			error("Fork failed. Can't init device hci%d: %s (%d)",
+					dev_id, strerror(errno), errno);
+		default:
+			debug("child %d forked", pid);
+			return;
+	}
+
+	dd = hci_open_dev(dev_id);
+	if (dd < 0) {
+		error("Can't open device hci%d: %s (%d)",
+					dev_id, strerror(errno), errno);
+		exit(1);
+	}
 
+	memset(&dr, 0, sizeof(dr));
+	dr.dev_id = dev_id;
+
+	/* Set link mode */
+	dr.dev_opt = main_opts.link_mode;
+	if (ioctl(dd, HCISETLINKMODE, (unsigned long) &dr) < 0) {
+		error("Can't set link mode on hci%d: %s (%d)",
+					dev_id, strerror(errno), errno);
+	}
+
+	/* Set link policy */
+	dr.dev_opt = main_opts.link_policy;
+	if (ioctl(dd, HCISETLINKPOL, (unsigned long) &dr) < 0 &&
+							errno != ENETDOWN) {
+		error("Can't set link policy on hci%d: %s (%d)",
+					dev_id, strerror(errno), errno);
+	}
+
+	/* Start HCI device */
+	if (ioctl(dd, HCIDEVUP, dev_id) < 0 && errno != EALREADY) {
+		error("Can't init device hci%d: %s (%d)",
+					dev_id, strerror(errno), errno);
+		goto fail;
+	}
+
+	if (hci_devinfo(dev_id, &di) < 0)
+		goto fail;
+
+	if (hci_test_bit(HCI_RAW, &di.flags))
+		goto done;
+
+done:
+	hci_close_dev(dd);
+	exit(0);
+
+fail:
+	hci_close_dev(dd);
+	exit(1);
+}
+
+static void device_devreg_setup(int dev_id)
+{
+	struct hci_dev_info di;
+	gboolean devup;
+
+	init_device(dev_id);
+
+	memset(&di, 0, sizeof(di));
+
+	if (hci_devinfo(dev_id, &di) < 0)
+		return;
+
+	devup = hci_test_bit(HCI_UP, &di.flags);
+
+	if (!hci_test_bit(HCI_RAW, &di.flags))
+		manager_register_adapter(dev_id, devup);
+}
+
+static void device_devup_setup(int dev_id)
+{
+	configure_device(dev_id);
+
+	start_security_manager(dev_id);
+
+	/* Return value 1 means ioctl(DEVDOWN) was performed */
+	if (manager_start_adapter(dev_id) == 1)
+		stop_security_manager(dev_id);
+}
+
+static void device_event(int event, int dev_id)
+{
+	switch (event) {
+	case HCI_DEV_REG:
+		info("HCI dev %d registered", dev_id);
+		device_devreg_setup(dev_id);
+		break;
+
+	case HCI_DEV_UNREG:
+		info("HCI dev %d unregistered", dev_id);
+		manager_unregister_adapter(dev_id);
+		break;
+
+	case HCI_DEV_UP:
+		info("HCI dev %d up", dev_id);
+		device_devup_setup(dev_id);
+		break;
+
+	case HCI_DEV_DOWN:
+		info("HCI dev %d down", dev_id);
+		manager_stop_adapter(dev_id);
+		stop_security_manager(dev_id);
+		break;
+	}
+}
 
 static int init_all_devices(int ctl)
 {
@@ -124,9 +358,21 @@ static int hciops_init(void)
 {
 	struct sockaddr_hci addr;
 	struct hci_filter flt;
-	GIOChannel *ctl_io;
+	GIOChannel *ctl_io, *child_io;
 	int sock;
 
+	if (pipe(child_pipe) < 0) {
+		error("pipe(): %s (%d)", strerror(errno), errno);
+		return errno;
+	}
+
+	child_io = g_io_channel_unix_new(child_pipe[0]);
+	g_io_channel_set_close_on_unref(child_io, TRUE);
+	g_io_add_watch(child_io,
+			G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+			child_exit, NULL);
+	g_io_channel_unref(child_io);
+
 	/* Create and bind HCI socket */
 	sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
 	if (sock < 0) {