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      1 /*	$NetBSD: heim-ipc.h,v 1.2 2017/01/28 21:31:48 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2009 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  *
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  *
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  *
     21  * 3. Neither the name of the Institute nor the names of its contributors
     22  *    may be used to endorse or promote products derived from this software
     23  *    without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  */
     37 
     38 #include <krb5/asn1-common.h>
     39 
     40 typedef struct heim_ipc *heim_ipc;
     41 typedef struct heim_sipc *heim_sipc;
     42 typedef struct heim_icred *heim_icred;
     43 typedef struct heim_isemaphore *heim_isemaphore;
     44 typedef struct heim_base_data heim_idata;
     45 typedef struct heim_sipc_call *heim_sipc_call;
     46 
     47 /* common */
     48 
     49 void
     50 heim_ipc_free_cred(heim_icred);
     51 
     52 uid_t
     53 heim_ipc_cred_get_uid(heim_icred);
     54 
     55 gid_t
     56 heim_ipc_cred_get_gid(heim_icred);
     57 
     58 pid_t
     59 heim_ipc_cred_get_pid(heim_icred);
     60 
     61 pid_t
     62 heim_ipc_cred_get_session(heim_icred);
     63 
     64 void
     65 heim_ipc_main(void);
     66 
     67 heim_isemaphore
     68 heim_ipc_semaphore_create(long);
     69 
     70 long
     71 heim_ipc_semaphore_wait(heim_isemaphore, time_t);
     72 
     73 long
     74 heim_ipc_semaphore_signal(heim_isemaphore);
     75 
     76 void
     77 heim_ipc_semaphore_release(heim_isemaphore);
     78 
     79 #define HEIM_IPC_WAIT_FOREVER ((time_t)-1)
     80 
     81 void
     82 heim_ipc_free_data(heim_idata *);
     83 
     84 /* client */
     85 
     86 int
     87 heim_ipc_init_context(const char *, heim_ipc *);
     88 
     89 void
     90 heim_ipc_free_context(heim_ipc);
     91 
     92 int
     93 heim_ipc_call(heim_ipc, const heim_idata *, heim_idata *, heim_icred *);
     94 
     95 int
     96 heim_ipc_async(heim_ipc, const heim_idata *, void *, void (*func)(void *, int, heim_idata *, heim_icred));
     97 
     98 /* server */
     99 
    100 #define HEIM_SIPC_TYPE_IPC		1
    101 #define HEIM_SIPC_TYPE_UINT32		2
    102 #define HEIM_SIPC_TYPE_HTTP		4
    103 
    104 typedef void
    105 (*heim_ipc_complete)(heim_sipc_call, int, heim_idata *);
    106 
    107 typedef void
    108 (*heim_ipc_callback)(void *, const heim_idata *,
    109 		     const heim_icred, heim_ipc_complete, heim_sipc_call);
    110 
    111 
    112 int
    113 heim_sipc_launchd_mach_init(const char *, heim_ipc_callback,
    114 			    void *, heim_sipc *);
    115 
    116 int
    117 heim_sipc_stream_listener(int, int, heim_ipc_callback,
    118 			  void *, heim_sipc *);
    119 
    120 int
    121 heim_sipc_service_unix(const char *, heim_ipc_callback,
    122 		       void *, heim_sipc *);
    123 
    124 
    125 void
    126 heim_sipc_timeout(time_t);
    127 
    128 void
    129 heim_sipc_set_timeout_handler(void (*)(void));
    130 
    131 void
    132 heim_sipc_free_context(heim_sipc);
    133