lib/ipc/heim-ipc.h

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