1 /* ccapi/lib/ccapi_ipc.c */ 2 /* 3 * Copyright 2006 Massachusetts Institute of Technology. 4 * All Rights Reserved. 5 * 6 * Export of this software from the United States of America may 7 * require a specific license from the United States Government. 8 * It is the responsibility of any person or organization contemplating 9 * export to obtain such a license before exporting. 10 * 11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 12 * distribute this software and its documentation for any purpose and 13 * without fee is hereby granted, provided that the above copyright 14 * notice appear in all copies and that both that copyright notice and 15 * this permission notice appear in supporting documentation, and that 16 * the name of M.I.T. not be used in advertising or publicity pertaining 17 * to distribution of the software without specific, written prior 18 * permission. Furthermore if you modify this software you must label 19 * your software as modified software and not distribute it in such a 20 * fashion that it might be confused with the original M.I.T. software. 21 * M.I.T. makes no representations about the suitability of 22 * this software for any purpose. It is provided "as is" without express 23 * or implied warranty. 24 */ 25 26 #include "ccapi_ipc.h" 27 #include "ccapi_os_ipc.h" 28 29 /* ------------------------------------------------------------------------ */ 30 31 cc_int32 cci_ipc_process_init (void) 32 { 33 return cci_os_ipc_process_init (); 34 } 35 36 /* ------------------------------------------------------------------------ */ 37 38 cc_int32 cci_ipc_thread_init (void) 39 { 40 return cci_os_ipc_thread_init (); 41 } 42 43 /* ------------------------------------------------------------------------ */ 44 45 static cc_int32 _cci_ipc_send (enum cci_msg_id_t in_request_name, 46 cc_int32 in_launch_server, 47 cci_identifier_t in_identifier, 48 k5_ipc_stream in_request_data, 49 k5_ipc_stream *out_reply_data) 50 { 51 cc_int32 err = ccNoError; 52 k5_ipc_stream request = NULL; 53 k5_ipc_stream reply = NULL; 54 cc_int32 reply_error = 0; 55 56 if (!in_identifier) { err = cci_check_error (ccErrBadParam); } 57 /* in_request_data may be NULL */ 58 /* out_reply_data may be NULL */ 59 60 if (!err) { 61 err = cci_message_new_request_header (&request, 62 in_request_name, 63 in_identifier); 64 } 65 66 if (!err && in_request_data) { 67 err = krb5int_ipc_stream_write (request, 68 krb5int_ipc_stream_data (in_request_data), 69 krb5int_ipc_stream_size (in_request_data)); 70 } 71 72 if (!err) { 73 err = cci_os_ipc (in_launch_server, request, &reply); 74 75 if (!err && krb5int_ipc_stream_size (reply) > 0) { 76 err = cci_message_read_reply_header (reply, &reply_error); 77 } 78 } 79 80 if (!err && reply_error) { 81 err = reply_error; 82 } 83 84 if (!err && out_reply_data) { 85 *out_reply_data = reply; 86 reply = NULL; /* take ownership */ 87 } 88 89 krb5int_ipc_stream_release (request); 90 krb5int_ipc_stream_release (reply); 91 92 return cci_check_error (err); 93 } 94 95 /* ------------------------------------------------------------------------ */ 96 97 cc_int32 cci_ipc_send (enum cci_msg_id_t in_request_name, 98 cci_identifier_t in_identifier, 99 k5_ipc_stream in_request_data, 100 k5_ipc_stream *out_reply_data) 101 { 102 return cci_check_error (_cci_ipc_send (in_request_name, 1, 103 in_identifier, 104 in_request_data, 105 out_reply_data)); 106 } 107 108 /* ------------------------------------------------------------------------ */ 109 110 cc_int32 cci_ipc_send_no_launch (enum cci_msg_id_t in_request_name, 111 cci_identifier_t in_identifier, 112 k5_ipc_stream in_request_data, 113 k5_ipc_stream *out_reply_data) 114 { 115 return cci_check_error (_cci_ipc_send (in_request_name, 0, 116 in_identifier, 117 in_request_data, 118 out_reply_data)); 119 } 120