diff options
Diffstat (limited to 'src/lib/ccapi/common/mac/KerberosIPC/kipc_server.c')
-rw-r--r-- | src/lib/ccapi/common/mac/KerberosIPC/kipc_server.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/src/lib/ccapi/common/mac/KerberosIPC/kipc_server.c b/src/lib/ccapi/common/mac/KerberosIPC/kipc_server.c deleted file mode 100644 index c7c973bee..000000000 --- a/src/lib/ccapi/common/mac/KerberosIPC/kipc_server.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - * kipc_server.c - * - * $Header$ - * - * Copyright 2006 Massachusetts Institute of Technology. - * All Rights Reserved. - * - * Export of this software from the United States of America may - * require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. Furthermore if you modify this software you must label - * your software as modified software and not distribute it in such a - * fashion that it might be confused with the original M.I.T. software. - * M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -#include <Kerberos/kipc_server.h> -#include <Kerberos/kipc_session.h> -#include "notifyServer.h" - -// Global variables for servers (used by demux) -static mach_port_t g_service_port = MACH_PORT_NULL; -static kipc_boolean_t g_ready_to_quit = FALSE; -static kipc_demux_proc g_demux_proc = NULL; - -#pragma mark - - -// --------------------------------------------------------------------------- - -mach_port_t -kipc_server_get_service_port () -{ - return g_service_port; -} - -#pragma mark - - -// --------------------------------------------------------------------------- - -kipc_boolean_t -kipc_server_quit (void) -{ - // Do not unregister our port because then we won't get automatically launched again. - dprintf ("mach_server_quit_self(): quitting..."); - g_ready_to_quit = true; - return g_ready_to_quit; -} - -#pragma mark - - -// --------------------------------------------------------------------------- - -static kipc_boolean_t -kipc_server_demux (mach_msg_header_t *request, mach_msg_header_t *reply) -{ - if (mach_notify_server (request, reply) != false) { - return true; - } else { - return g_demux_proc (request, reply); - } - return false; -} - -#pragma mark - - -// --------------------------------------------------------------------------- - -static kipc_err_t -kipc_get_server_id (char **out_server_id) -{ - kern_return_t err = KERN_SUCCESS; - CFBundleRef bundle = NULL; - CFStringRef id_string = NULL; - CFIndex id_length = 0; - char *server_id = NULL; - - if (out_server_id == NULL) { err = kipc_err (EINVAL); } - - if (!err) { - bundle = CFBundleGetMainBundle (); - if (bundle == NULL) { err = ENOENT; } - } - - if (!err) { - id_string = CFBundleGetIdentifier (bundle); - if (id_string == NULL) { err = ENOMEM; } - } - - if (!err) { - id_length = CFStringGetMaximumSizeForEncoding (CFStringGetLength (id_string), - CFStringGetSystemEncoding ()) + 1; - server_id = calloc (id_length, sizeof (char)); - if (server_id == NULL) { err = errno; } - } - - if (!err) { - if (!CFStringGetCString (id_string, server_id, id_length, CFStringGetSystemEncoding ())) { - err = ENOMEM; - } - } - - if (!err) { - *out_server_id = server_id; - server_id = NULL; - } - - if (server_id != NULL) { kipc_free_string (server_id); } - - return kipc_err (err); -} - -// --------------------------------------------------------------------------- - -kipc_err_t -kipc_server_run_server (kipc_demux_proc in_demux_proc) -{ - kern_return_t err = KERN_SUCCESS; - char *server_id = NULL; - char *service_name = NULL; - char *lookup_name = NULL; - mach_port_t boot_port = MACH_PORT_NULL; - mach_port_t lookup_port = MACH_PORT_NULL; - mach_port_t notify_port = MACH_PORT_NULL; - mach_port_t previous_notify_port = MACH_PORT_NULL; - mach_port_t listen_port_set = MACH_PORT_NULL; - - if (in_demux_proc == NULL) { err = kipc_err (EINVAL); } - - // Shed root privileges if any - if (!err && (geteuid () == 0)) { - uid_t new_uid = kipc_session_get_server_uid (); - if (setuid (new_uid) < 0) { - dprintf ("%s(): setuid(%d) failed (euid is %d)", __FUNCTION__, new_uid, geteuid ()); - } - } - - if (!err) { - // Set up the globals so the demux can find them - g_demux_proc = in_demux_proc; - } - - if (!err) { - err = kipc_get_server_id (&server_id); - } - - if (!err) { - err = kipc_get_service_name (&service_name, server_id); - } - - if (!err) { - err = kipc_get_lookup_name (&lookup_name, server_id); - } - - if (!err) { - // Get the bootstrap port - err = task_get_bootstrap_port (mach_task_self (), &boot_port); - dprintf ("%s(): task_get_bootstrap_port(): port is %x (err = %d '%s')", - __FUNCTION__, boot_port, err, mach_error_string (err)); - } - - if (!err) { - // Create the lookup port: - err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, &lookup_port); - } - - if (!err) { - err = mach_port_insert_right (mach_task_self (), lookup_port, lookup_port, MACH_MSG_TYPE_MAKE_SEND); - } - - if (!err) { - // Register the lookup port so others can tell whether or not we are running - err = bootstrap_register (boot_port, lookup_name, lookup_port); - dprintf ("%s(): bootstrap_register('%s', %x): (err = %d '%s')", - __FUNCTION__, lookup_name, lookup_port, err, mach_error_string (err)); - } - - if (!err) { - // We are an on-demand server so our port already exists. Just ask for it. - err = bootstrap_check_in (boot_port, (char *) service_name, &g_service_port); - dprintf ("%s(): bootstrap_check_in('%s'): port is %d (err = %d '%s')", - __FUNCTION__, service_name, g_service_port, err, mach_error_string (err)); - } - - if (!err) { - // Create the notification port: - err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_RECEIVE, ¬ify_port); - } - - if (!err) { - // Ask for notification when the server port has no more senders - // A send-once right != a send right so our send-once right will not interfere with the notification - err = mach_port_request_notification (mach_task_self (), g_service_port, MACH_NOTIFY_NO_SENDERS, true, - notify_port, MACH_MSG_TYPE_MAKE_SEND_ONCE, &previous_notify_port); - dprintf ("%s(): requesting notification for no senders of %x returned '%s', err = %d\n", - __FUNCTION__, g_service_port, mach_error_string (err), err); - } - - if (!err) { - // Create the port set that the server will listen on - err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_PORT_SET, &listen_port_set); - } - - if (!err) { - // Add the service port to the port set - err = mach_port_move_member (mach_task_self (), g_service_port, listen_port_set); - } - - if (!err) { - // Add the notify port to the port set - err = mach_port_move_member (mach_task_self (), notify_port, listen_port_set); - } - - if (!err) { - dprintf ("%s(): \"%s\": starting up. service port = %x, bootstrap port = %x\n", - __FUNCTION__, service_name, g_service_port, boot_port); - } - - while (!err && !g_ready_to_quit) { - // Handle one message at a time so we can check to see if the server wants to quit - err = mach_msg_server_once (kipc_server_demux, kkipc_max_message_size, listen_port_set, MACH_MSG_OPTION_NONE); - } - - // Regardless of whether there was an error, unregister ourselves from no senders notifications - // so we don't get launched again by the notification message when we quit - // A send-once right != a send right so our send-once right will not interfere with the notification - if (g_service_port != MACH_PORT_NULL) { - err = mach_port_request_notification (mach_task_self (), g_service_port, MACH_NOTIFY_NO_SENDERS, - true, MACH_PORT_NULL, MACH_MSG_TYPE_MAKE_SEND_ONCE, - &previous_notify_port); - dprintf ("%s(): removing notification for no senders of %x returned '%s', err = %d\n", - __FUNCTION__, previous_notify_port, mach_error_string (err), err); - } - - // Clean up the ports and strings - if (lookup_port != MACH_PORT_NULL) { - kipc_err_t terr = bootstrap_register (boot_port, lookup_name, MACH_PORT_NULL); - dprintf ("%s(): bootstrap_register('%s', MACH_PORT_NULL): (err = %d '%s')", - __FUNCTION__, lookup_name, terr, mach_error_string (terr)); - mach_port_deallocate (mach_task_self (), lookup_port); - } - if (notify_port != MACH_PORT_NULL) { mach_port_deallocate (mach_task_self (), notify_port); } - if (listen_port_set != MACH_PORT_NULL) { mach_port_deallocate (mach_task_self (), listen_port_set); } - if (boot_port != MACH_PORT_NULL) { mach_port_deallocate (mach_task_self (), boot_port); } - if (lookup_name != NULL ) { kipc_free_string (lookup_name); } - if (service_name != NULL ) { kipc_free_string (service_name); } - if (server_id != NULL ) { kipc_free_string (server_id); } - - return kipc_err (err); -} - -#pragma mark - - -// --------------------------------------------------------------------------- - -kern_return_t -do_mach_notify_port_deleted (mach_port_t notify, mach_port_name_t name) -{ - dprintf ("Received MACH_NOTIFY_PORT_DELETED... quitting self"); - kipc_server_quit (); - return KERN_SUCCESS; -} - -// --------------------------------------------------------------------------- - -kern_return_t -do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t rights) -{ - dprintf ("Received MACH_NOTIFY_PORT_DESTROYED... quitting self"); - kipc_server_quit (); - return KERN_SUCCESS; -} - -// --------------------------------------------------------------------------- - -kern_return_t -do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t mscount) -{ - dprintf ("Received MACH_NOTIFY_NO_SENDERS... quitting self"); - kipc_server_quit (); - return KERN_SUCCESS; -} - -// --------------------------------------------------------------------------- - -kern_return_t -do_mach_notify_send_once (mach_port_t notify) -{ - dprintf ("Received MACH_NOTIFY_SEND_ONCE"); - return KERN_SUCCESS; -} - -// --------------------------------------------------------------------------- - -kern_return_t -do_mach_notify_dead_name (mach_port_t notify, mach_port_name_t name) -{ - dprintf ("Received MACH_NOTIFY_DEAD_NAME... quitting self"); - kipc_server_quit (); - return KERN_SUCCESS; -} - |