1 /*
2 * Copyright (C) 2023 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the copyright holders nor the names of
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * 4. Any redistribution, use, or modification is done solely for
17 * personal benefit and not for any commercial purpose or for
18 * monetary gain.
19 *
20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * Please inquire about commercial licensing options at
34 * [email protected]
35 *
36 */
37
38 #define BTSTACK_FILE__ "opp_srm.c"
39
40 #include "btstack_config.h"
41
42 #include <stdint.h>
43
44 #include "btstack_event.h"
45
46 #include "classic/obex.h"
47 #include "classic/obex_parser.h"
48 #include "classic/goep_server.h"
49
50 #include "classic/obex_srm_server.h"
51
obex_srm_server_init(obex_srm_server_t * obex_srm)52 void obex_srm_server_init (obex_srm_server_t *obex_srm){
53 obex_srm->srm_state = OBEX_SRM_STATE_DISABLED;
54 obex_srm_server_reset_fields(obex_srm);
55 }
56
obex_srm_server_reset_fields(obex_srm_server_t * obex_srm)57 void obex_srm_server_reset_fields (obex_srm_server_t *obex_srm){
58 obex_srm->srm_value = OBEX_SRM_DISABLE;
59 obex_srm->srmp_value = OBEX_SRMP_NEXT;
60 }
61
obex_srm_server_header_store(obex_srm_server_t * obex_srm,uint8_t header_id,uint16_t total_len,uint16_t data_offset,const uint8_t * data_buffer,uint16_t data_len)62 void obex_srm_server_header_store (obex_srm_server_t *obex_srm,
63 uint8_t header_id,
64 uint16_t total_len,
65 uint16_t data_offset,
66 const uint8_t *data_buffer,
67 uint16_t data_len){
68 switch (header_id) {
69 case OBEX_HEADER_SINGLE_RESPONSE_MODE:
70 obex_parser_header_store(&obex_srm->srm_value, 1, total_len, data_offset, data_buffer, data_len);
71 break;
72 case OBEX_HEADER_SINGLE_RESPONSE_MODE_PARAMETER:
73 obex_parser_header_store(&obex_srm->srmp_value, 1, total_len, data_offset, data_buffer, data_len);
74 break;
75 default:
76 break;
77 }
78 }
79
obex_srm_server_handle_headers(obex_srm_server_t * obex_srm)80 void obex_srm_server_handle_headers (obex_srm_server_t *obex_srm){
81 switch (obex_srm->srm_state) {
82 case OBEX_SRM_STATE_DISABLED:
83 if (obex_srm->srm_value == OBEX_SRM_ENABLE) {
84 if (obex_srm->srmp_value == OBEX_SRMP_WAIT) {
85 obex_srm->srm_state = OBEX_SRM_STATE_SEND_CONFIRM_WAIT;
86 } else {
87 obex_srm->srm_state = OBEX_SRM_STATE_SEND_CONFIRM;
88 }
89 }
90 break;
91 case OBEX_SRM_STATE_ENABLED_WAIT:
92 if (obex_srm->srmp_value == OBEX_SRMP_NEXT) {
93 obex_srm->srm_state = OBEX_SRM_STATE_ENABLED;
94 }
95 break;
96 default:
97 break;
98 }
99 }
100
obex_srm_server_add_srm_headers(obex_srm_server_t * obex_srm,uint16_t goep_cid)101 void obex_srm_server_add_srm_headers (obex_srm_server_t *obex_srm,
102 uint16_t goep_cid){
103 switch (obex_srm->srm_state) {
104 case OBEX_SRM_STATE_SEND_CONFIRM:
105 goep_server_header_add_srm_enable (goep_cid);
106 obex_srm->srm_state = OBEX_SRM_STATE_ENABLED;
107 break;
108 case OBEX_SRM_STATE_SEND_CONFIRM_WAIT:
109 goep_server_header_add_srm_enable (goep_cid);
110 obex_srm->srm_state = OBEX_SRM_STATE_ENABLED_WAIT;
111 break;
112 default:
113 break;
114 }
115 }
116
obex_srm_server_is_srm_active(obex_srm_server_t * obex_srm)117 bool obex_srm_server_is_srm_active (obex_srm_server_t *obex_srm){
118 return obex_srm->srm_state == OBEX_SRM_STATE_ENABLED;
119 }
120
121