1 /* Copyright (c) 2011-2015, 2018, 2020 The Linux Foundation. All rights reserved.
2  *
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions are
5  * met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above
9  *       copyright notice, this list of conditions and the following
10  *       disclaimer in the documentation and/or other materials provided
11  *       with the distribution.
12  *     * Neither the name of The Linux Foundation, nor the names of its
13  *       contributors may be used to endorse or promote products derived
14  *       from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  */
29 
30 #ifndef LOC_CFG_H
31 #define LOC_CFG_H
32 
33 #include <stdio.h>
34 #include <stdint.h>
35 #include <sys/types.h>
36 #include <unistd.h>
37 #include <grp.h>
38 
39 #define LOC_MAX_PARAM_NAME                 80
40 #define LOC_MAX_PARAM_STRING               172
41 #define LOC_MAX_PARAM_LINE    (LOC_MAX_PARAM_NAME + LOC_MAX_PARAM_STRING)
42 
43 #define LOC_FEATURE_MODE_DISABLED "DISABLED"
44 #define LOC_FEATURE_MODE_BASIC    "BASIC"
45 #define LOC_FEATURE_MODE_PREMIUM  "PREMIUM"
46 
47 #define LOC_FEATURE_GTP_AP_CELL        "gtp-ap-cell"
48 #define LOC_FEATURE_GTP_MODEM_CELL     "gtp-modem-cell"
49 #define LOC_FEATURE_GTP_CELL_ENH       "gtp-cell-enh"
50 #define LOC_FEATURE_GTP_WIFI           "gtp-wifi"
51 #define LOC_FEATURE_GTP_WAA            "gtp-waa"
52 #define LOC_FEATURE_SAP                "sap"
53 
54 #define LOC_PROCESS_MAX_NUM_GROUPS     20
55 #define LOC_PROCESS_MAX_NUM_ARGS       25
56 #define LOC_PROCESS_MAX_ARG_STR_LENGTH 32
57 
58 #define UTIL_UPDATE_CONF(conf_data, len, config_table) \
59     loc_update_conf((conf_data), (len), (&config_table[0]), \
60                     sizeof(config_table) / sizeof(config_table[0]))
61 
62 #define UTIL_READ_CONF_DEFAULT(filename) \
63     loc_read_conf((filename), NULL, 0);
64 
65 #define UTIL_READ_CONF(filename, config_table) \
66     loc_read_conf((filename), (&config_table[0]), sizeof(config_table) / sizeof(config_table[0]))
67 
68 #define UTIL_READ_CONF_LONG(filename, config_table, rec_len) \
69     loc_read_conf_long((filename), (&config_table[0]), \
70             sizeof(config_table) / sizeof(config_table[0]), (rec_len))
71 
72 /*=============================================================================
73  *
74  *                        MODULE TYPE DECLARATION
75  *
76  *============================================================================*/
77 typedef struct
78 {
79   const char *param_name;
80   void       *param_ptr;   /* for string type, buf size need to be LOC_MAX_PARAM_STRING */
81   uint8_t    *param_set;   /* indicate value set by config file */
82   char        param_type;  /* 'n' for number,
83                               's' for string, NOTE: buf size need to be LOC_MAX_PARAM_STRING
84                               'f' for double */
85 } loc_param_s_type;
86 
87 typedef enum {
88     ENABLED,
89     RUNNING,
90     DISABLED,
91     DISABLED_FROM_CONF,
92     DISABLED_VIA_VENDOR_ENHANCED_CHECK
93 } loc_process_e_status;
94 
95 typedef struct {
96     loc_process_e_status proc_status;
97     pid_t                proc_id;
98     char                 name[2][LOC_MAX_PARAM_STRING];
99     gid_t                group_list[LOC_PROCESS_MAX_NUM_GROUPS];
100     unsigned char        num_groups;
101     char                 args[LOC_PROCESS_MAX_NUM_ARGS][LOC_PROCESS_MAX_ARG_STR_LENGTH];
102     char                 argumentString[LOC_MAX_PARAM_STRING];
103 } loc_process_info_s_type;
104 
105 /*=============================================================================
106  *
107  *                          MODULE EXTERNAL DATA
108  *
109  *============================================================================*/
110 
111 #ifdef __cplusplus
112 extern "C" {
113 #endif
114 
115 /*=============================================================================
116  *
117  *                       MODULE EXPORTED FUNCTIONS
118  *
119  *============================================================================*/
120 bool isVendorEnhanced();
121 void setVendorEnhanced(bool vendorEnhanced);
122 void loc_read_conf_long(const char* conf_file_name,
123                         const loc_param_s_type* config_table,
124                         uint32_t table_length, uint16_t string_len);
125 int loc_read_conf_r_long(FILE *conf_fp, const loc_param_s_type* config_table,
126                          uint32_t table_length, uint16_t string_len);
127 int loc_update_conf_long(const char* conf_data, int32_t length,
128                          const loc_param_s_type* config_table, uint32_t table_length,
129                          uint16_t string_len);
130 
loc_read_conf(const char * conf_file_name,const loc_param_s_type * config_table,uint32_t table_length)131 inline void loc_read_conf(const char* conf_file_name,
132                           const loc_param_s_type* config_table, uint32_t table_length) {
133     loc_read_conf_long(conf_file_name, config_table, table_length, LOC_MAX_PARAM_STRING);
134 }
135 
loc_read_conf_r(FILE * conf_fp,const loc_param_s_type * config_table,uint32_t table_length)136 inline int loc_read_conf_r(FILE *conf_fp, const loc_param_s_type* config_table,
137                     uint32_t table_length) {
138     return (loc_read_conf_r_long(conf_fp, config_table, table_length, LOC_MAX_PARAM_STRING));
139 }
140 
loc_update_conf(const char * conf_data,int32_t length,const loc_param_s_type * config_table,uint32_t table_length)141 inline int loc_update_conf(const char* conf_data, int32_t length,
142                     const loc_param_s_type* config_table, uint32_t table_length) {
143     return (loc_update_conf_long(
144                     conf_data, length, config_table, table_length, LOC_MAX_PARAM_STRING));
145 }
146 
147 // Below are the location conf file paths
148 extern const char LOC_PATH_GPS_CONF[];
149 extern const char LOC_PATH_IZAT_CONF[];
150 extern const char LOC_PATH_FLP_CONF[];
151 extern const char LOC_PATH_LOWI_CONF[];
152 extern const char LOC_PATH_SAP_CONF[];
153 extern const char LOC_PATH_APDR_CONF[];
154 extern const char LOC_PATH_XTWIFI_CONF[];
155 extern const char LOC_PATH_QUIPC_CONF[];
156 extern const char LOC_PATH_ANT_CORR[];
157 extern const char LOC_PATH_SLIM_CONF[];
158 extern const char LOC_PATH_VPE_CONF[];
159 
160 int loc_read_process_conf(const char* conf_file_name, uint32_t * process_count_ptr,
161                           loc_process_info_s_type** process_info_table_ptr);
162 int loc_get_datum_type();
163 #ifdef __cplusplus
164 }
165 #endif
166 
167 #endif /* LOC_CFG_H */
168