summaryrefslogtreecommitdiffstats
path: root/src/ccapi/common/cci_message.c
blob: b541558893e16f5406965b45de1fd42832b1f019 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/*
 * $Header$
 *
 * 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 "cci_common.h"

/* ------------------------------------------------------------------------ */

cc_int32 cci_message_invalid_object_err (enum cci_msg_id_t in_request_name)
{
    cc_int32 err = ccNoError;
    
    if (in_request_name > cci_context_first_msg_id &&
        in_request_name < cci_context_last_msg_id) {
        err = ccErrInvalidContext;
        
    } else if (in_request_name > cci_ccache_first_msg_id &&
               in_request_name < cci_ccache_last_msg_id) {
        err = ccErrInvalidCCache;
        
    } else if (in_request_name > cci_ccache_iterator_first_msg_id &&
               in_request_name < cci_ccache_iterator_last_msg_id) {
        err = ccErrInvalidCCacheIterator;
        
    } else if (in_request_name > cci_credentials_iterator_first_msg_id &&
               in_request_name < cci_credentials_iterator_last_msg_id) {
        err = ccErrInvalidCredentialsIterator;
        
    } else {
        err = ccErrBadInternalMessage;
    }
    
    return cci_check_error (err);
}

/* ------------------------------------------------------------------------ */

cc_int32 cci_message_new_request_header (k5_ipc_stream      *out_request,
                                         enum cci_msg_id_t  in_request_name,
                                         cci_identifier_t   in_identifier)
{
    cc_int32 err = ccNoError;
    k5_ipc_stream request = NULL;
    
    if (!out_request) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_new (&request);
    }
    
    if (!err) {
        err = k5_ipc_stream_write_uint32 (request, in_request_name);
    }
    
    if (!err) {
        err = cci_identifier_write (in_identifier, request);
    }
    
    if (!err) {
        *out_request = request;
        request = NULL;
    }
    
    k5_ipc_stream_release (request);
    
    return cci_check_error (err);
}

/* ------------------------------------------------------------------------ */

cc_int32 cci_message_read_request_header (k5_ipc_stream       in_request,
                                          enum cci_msg_id_t *out_request_name,
                                          cci_identifier_t  *out_identifier)
{
    cc_int32 err = ccNoError;
    cc_uint32 request_name;
    cci_identifier_t identifier = NULL;
    
    if (!in_request      ) { err = cci_check_error (ccErrBadParam); }
    if (!out_request_name) { err = cci_check_error (ccErrBadParam); }
    if (!out_identifier  ) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_read_uint32 (in_request, &request_name);
    }
    
    if (!err) {
        err = cci_identifier_read (&identifier, in_request);
    }
    
    if (!err) {
        *out_request_name = request_name;
        *out_identifier = identifier;
        identifier = NULL; /* take ownership */
    }
    
    cci_identifier_release (identifier);
    
    return cci_check_error (err);
}

/* ------------------------------------------------------------------------ */

cc_int32 cci_message_new_reply_header (k5_ipc_stream     *out_reply,
                                       cc_int32          in_error)
{
    cc_int32 err = ccNoError;
    k5_ipc_stream reply = NULL;
    
    if (!out_reply) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_new (&reply);
    }
    
    if (!err) {
        err = k5_ipc_stream_write_int32 (reply, in_error);
    }
    
    if (!err) {
        *out_reply = reply;
        reply = NULL;
    }
    
    k5_ipc_stream_release (reply);
    
    return cci_check_error (err);
}

/* ------------------------------------------------------------------------ */

cc_int32 cci_message_read_reply_header (k5_ipc_stream      in_reply,
                                        cc_int32         *out_reply_error)
{
    cc_int32 err = ccNoError;
    cc_int32 reply_err = 0;
    
    if (!in_reply       ) { err = cci_check_error (ccErrBadParam); }
    if (!out_reply_error) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_read_int32 (in_reply, &reply_err);
    }
    
    if (!err) {
        *out_reply_error = reply_err;
    }
    
    return cci_check_error (err);
}

#ifdef TARGET_OS_MAC
#pragma mark -
#endif

/* ------------------------------------------------------------------------ */

uint32_t k5_ipc_stream_read_time (k5_ipc_stream  io_stream, 
                                  cc_time_t     *out_time)
{
    int32_t err = 0;
    int64_t t = 0;
    
    if (!io_stream) { err = cci_check_error (ccErrBadParam); }
    if (!out_time ) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_read_int64 (io_stream, &t);
    }
    
    if (!err) {
        *out_time = t;
    }
    
    return cci_check_error (err);
}

/* ------------------------------------------------------------------------ */

uint32_t k5_ipc_stream_write_time (k5_ipc_stream io_stream, 
                                   cc_time_t     in_time)
{
    int32_t err = 0;
    
    if (!io_stream) { err = cci_check_error (ccErrBadParam); }
    
    if (!err) {
        err = k5_ipc_stream_write_int64 (io_stream, in_time);
    }
    
    return cci_check_error (err);
}