1 | /* |
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2 | * Copyright (C) 2020 Soleta Networks <info@soleta.eu> |
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3 | * |
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4 | * This program is free software: you can redistribute it and/or modify it under |
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5 | * the terms of the GNU Affero General Public License as published by the |
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6 | * Free Software Foundation, version 3. |
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7 | */ |
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8 | |
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9 | #include "json.h" |
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10 | #include <stdint.h> |
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11 | |
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12 | int og_json_parse_string(json_t *element, const char **str) |
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13 | { |
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14 | if (json_typeof(element) != JSON_STRING) |
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15 | return -1; |
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16 | |
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17 | *str = json_string_value(element); |
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18 | return 0; |
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19 | } |
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20 | |
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21 | int og_json_parse_string_copy(json_t *element, char *str, size_t size) |
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22 | { |
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23 | const char *reference_str; |
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24 | int err = 0; |
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25 | |
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26 | err = og_json_parse_string(element, &reference_str); |
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27 | if (err != 0) |
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28 | return err; |
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29 | |
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30 | err = snprintf(str, size, "%s", reference_str); |
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31 | if (err >= size) |
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32 | return -1; |
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33 | return 0; |
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34 | } |
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35 | |
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36 | int og_json_parse_uint64(json_t *element, uint64_t *integer) |
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37 | { |
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38 | if (json_typeof(element) != JSON_INTEGER) |
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39 | return -1; |
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40 | |
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41 | *integer = json_integer_value(element); |
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42 | return 0; |
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43 | } |
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44 | |
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45 | int og_json_parse_uint(json_t *element, uint32_t *integer) |
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46 | { |
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47 | if (json_typeof(element) != JSON_INTEGER) |
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48 | return -1; |
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49 | |
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50 | *integer = json_integer_value(element); |
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51 | return 0; |
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52 | } |
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53 | |
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54 | int og_json_parse_bool(json_t *element, bool *value) |
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55 | { |
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56 | if (json_typeof(element) == JSON_TRUE) |
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57 | *value = true; |
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58 | else if (json_typeof(element) == JSON_FALSE) |
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59 | *value = false; |
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60 | else |
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61 | return -1; |
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62 | |
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63 | return 0; |
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64 | } |
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65 | |
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66 | int og_json_parse_scope(json_t *element, struct og_scope *scope, |
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67 | const uint64_t required_flags) |
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68 | { |
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69 | uint64_t flags = 0UL; |
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70 | const char *key; |
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71 | json_t *value; |
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72 | int err = 0; |
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73 | |
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74 | json_object_foreach(element, key, value) { |
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75 | if (!strcmp(key, "id")) { |
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76 | err = og_json_parse_uint(value, &scope->id); |
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77 | flags |= OG_PARAM_SCOPE_ID; |
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78 | } else if (!strcmp(key, "type")) { |
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79 | err = og_json_parse_string(value, &scope->type); |
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80 | flags |= OG_PARAM_SCOPE_TYPE; |
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81 | } else { |
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82 | err = -1; |
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83 | } |
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84 | |
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85 | if (err < 0) |
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86 | return err; |
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87 | } |
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88 | |
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89 | if (flags != required_flags) |
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90 | return -1; |
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91 | |
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92 | return err; |
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93 | } |
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94 | |
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95 | int og_json_parse_partition(json_t *element, struct og_partition *part, |
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96 | uint64_t required_flags) |
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97 | { |
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98 | uint64_t flags = 0UL; |
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99 | const char *key; |
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100 | json_t *value; |
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101 | int err = 0; |
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102 | |
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103 | json_object_foreach(element, key, value) { |
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104 | if (!strcmp(key, "partition")) { |
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105 | err = og_json_parse_string(value, &part->number); |
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106 | flags |= OG_PARAM_PART_NUMBER; |
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107 | } else if (!strcmp(key, "code")) { |
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108 | err = og_json_parse_string(value, &part->code); |
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109 | flags |= OG_PARAM_PART_CODE; |
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110 | } else if (!strcmp(key, "filesystem")) { |
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111 | err = og_json_parse_string(value, &part->filesystem); |
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112 | flags |= OG_PARAM_PART_FILESYSTEM; |
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113 | } else if (!strcmp(key, "size")) { |
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114 | err = og_json_parse_string(value, &part->size); |
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115 | flags |= OG_PARAM_PART_SIZE; |
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116 | } else if (!strcmp(key, "format")) { |
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117 | err = og_json_parse_string(value, &part->format); |
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118 | flags |= OG_PARAM_PART_FORMAT; |
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119 | } else if (!strcmp(key, "disk")) { |
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120 | err = og_json_parse_string(value, &part->disk); |
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121 | flags |= OG_PARAM_PART_DISK; |
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122 | } else if (!strcmp(key, "os")) { |
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123 | err = og_json_parse_string(value, &part->os); |
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124 | flags |= OG_PARAM_PART_OS; |
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125 | } else if (!strcmp(key, "used_size")) { |
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126 | err = og_json_parse_string(value, &part->used_size); |
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127 | flags |= OG_PARAM_PART_USED_SIZE; |
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128 | } |
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129 | |
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130 | if (err < 0) |
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131 | return err; |
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132 | } |
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133 | |
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134 | if (flags != required_flags) |
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135 | return -1; |
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136 | |
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137 | return err; |
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138 | } |
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