1 | #ifndef __ABAC_H__ |
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2 | #define __ABAC_H__ |
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3 | |
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4 | #include <stdlib.h> |
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5 | #include <abac_list.h> |
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6 | #include <abac_stack.h> |
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7 | #include <abac_common.h> |
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8 | |
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9 | typedef struct _abac_context_t abac_context_t; |
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10 | typedef struct _abac_credential_t abac_credential_t; |
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11 | typedef struct _abac_aspect_t abac_aspect_t; |
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12 | typedef struct _abac_attribute_t abac_attribute_t; |
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13 | typedef struct _abac_id_t abac_id_t; |
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14 | typedef struct _abac_id_credential_t abac_id_credential_t; |
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15 | |
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16 | typedef struct _abac_condition_t abac_condition_t; |
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17 | typedef struct _abac_term_t abac_term_t; |
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18 | typedef struct _abac_param_list_t abac_param_list_t; |
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19 | |
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20 | /* |
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21 | * ABAC functions, operating on an ABAC context. |
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22 | */ |
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23 | abac_context_t *abac_context_new(void); |
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24 | abac_context_t *abac_context_dup(abac_context_t *ctx); |
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25 | void abac_context_free(abac_context_t *ctx); |
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26 | |
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27 | /* see the bottom of the file for possible return codes */ |
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28 | int abac_context_load_id_id(abac_context_t *ctx, abac_id_t *); |
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29 | int abac_context_load_id_file(abac_context_t *ctx, char *filename); |
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30 | int abac_context_load_id_chunk(abac_context_t *ctx, abac_chunk_t cert); |
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31 | int abac_context_load_attribute_attribute(abac_context_t *ctx, abac_attribute_t *); |
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32 | int abac_context_load_attribute_file(abac_context_t *ctx, char *filename); |
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33 | int abac_context_load_attribute_chunk(abac_context_t *ctx, abac_chunk_t cert); |
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34 | |
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35 | /* load an entire directory full of certs */ |
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36 | void abac_context_load_directory(abac_context_t *ctx, char *path); |
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37 | |
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38 | /* abac query, returns a NULL-terminated array of credentials on success, NULL on fail */ |
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39 | abac_credential_t **abac_context_query(abac_context_t *ctx, char *role, char *principal, int *success); |
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40 | |
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41 | /* get all the credentials from the context, returns a NULL-terminated array of credentials */ |
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42 | abac_credential_t **abac_context_credentials(abac_context_t *ctx); |
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43 | |
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44 | /* use this to free the results of either of the previous two functions */ |
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45 | void abac_context_credentials_free(abac_credential_t **credentials); |
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46 | |
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47 | /* |
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48 | * Operations on credentials |
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49 | */ |
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50 | abac_aspect_t *abac_credential_head(abac_credential_t *cred); |
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51 | abac_aspect_t *abac_credential_tail(abac_credential_t *cred); |
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52 | abac_chunk_t abac_credential_attribute_cert(abac_credential_t *cred); |
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53 | abac_chunk_t abac_credential_issuer_cert(abac_credential_t *cred); |
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54 | abac_credential_t *abac_credential_lookup(char *cred_string); |
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55 | abac_id_credential_t *abac_id_credential_lookup(char*); |
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56 | abac_id_t *abac_id_credential_id(abac_id_credential_t *ptr); |
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57 | |
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58 | abac_credential_t *abac_credential_dup(abac_credential_t *cred); |
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59 | abac_attribute_t *abac_credential_attribute(abac_credential_t *cred); |
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60 | void abac_credential_free(abac_credential_t *cred); |
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61 | |
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62 | /* |
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63 | * Operations on aspect. |
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64 | */ |
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65 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name); |
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66 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name); |
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67 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name); |
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68 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name); |
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69 | |
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70 | bool abac_aspect_is_principal(abac_aspect_t *ptr); |
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71 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr); |
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72 | char *abac_aspect_string(abac_aspect_t *ptr); |
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73 | bool abac_aspect_is_linking(abac_aspect_t *ptr); |
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74 | char *abac_aspect_typed_string(abac_aspect_t *ptr); |
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75 | abac_aspect_t *abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param); |
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76 | abac_aspect_t *abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param); |
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77 | bool abac_aspect_is_object(abac_aspect_t *ptr); |
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78 | char *abac_aspect_principal_name(abac_aspect_t *ptr); |
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79 | char* abac_aspect_type_string(abac_aspect_t *ptr); |
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80 | char *abac_aspect_aspect_name(abac_aspect_t *ptr); |
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81 | int abac_aspect_aspect_type(abac_aspect_t *ptr); |
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82 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr); |
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83 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr); |
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84 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, |
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85 | char *linked_role_name, char *oset_name); |
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86 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, |
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87 | char *linked_role_name, char *role_name); |
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88 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *role_name); |
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89 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name); |
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90 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name); |
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91 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name); |
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92 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object); |
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93 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr); |
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94 | char *abac_aspect_object_name(abac_aspect_t *ptr); |
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95 | char *abac_aspect_object_type(abac_aspect_t *ptr); |
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96 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr); |
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97 | char *abac_aspect_string_with_condition(abac_aspect_t *); |
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98 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *); |
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99 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr); |
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100 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp); |
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101 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr); |
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102 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *); |
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103 | abac_aspect_t *abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect); |
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104 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr); |
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105 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr); |
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106 | |
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107 | /* abac_attribute */ |
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108 | abac_chunk_t abac_attribute_cert_chunk(abac_attribute_t *ptr); |
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109 | int abac_attribute_write(abac_attribute_t *ptr, FILE *out); |
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110 | int abac_attribute_bake(abac_attribute_t *ptr); |
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111 | int abac_attribute_baked(abac_attribute_t *ptr); |
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112 | abac_aspect_t *abac_attribute_head(abac_attribute_t *ptr); |
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113 | abac_aspect_t *abac_attribute_tail(abac_attribute_t *ptr); |
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114 | int abac_attribute_lastone(abac_attribute_t *ptr); |
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115 | int abac_attribute_create(abac_attribute_t **ret,abac_aspect_t *head, abac_aspect_t *tail,int validity); |
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116 | abac_attribute_t *abac_attribute_set_head(abac_attribute_t *ptr, abac_aspect_t *); |
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117 | abac_attribute_t *abac_attribute_add_tail(abac_attribute_t *ptr, abac_aspect_t *); |
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118 | abac_attribute_t *abac_attribute_dup(abac_attribute_t *ptr); |
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119 | abac_aspect_t **abac_attribute_tail_vectorized(abac_attribute_t *ptr); |
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120 | void abac_attribute_free(abac_attribute_t *ptr); |
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121 | void abac_aspects_free(abac_aspect_t **aspects); |
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122 | |
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123 | /* |
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124 | * Operations on term/params. |
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125 | */ |
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126 | abac_condition_t *abac_condition_dup(abac_condition_t *ptr); |
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127 | void abac_condition_free(abac_condition_t *ptr); |
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128 | abac_condition_t *abac_condition_from_string(char *string); |
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129 | abac_condition_t *abac_condition_from_aspect(abac_aspect_t *ptr); |
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130 | char *abac_condition_typed_string(abac_condition_t *ptr); |
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131 | char *abac_condition_string(abac_condition_t *ptr); |
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132 | char *abac_condtype_name(int); |
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133 | char *abac_term_to_time(char *string); |
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134 | char *abac_term_typed_string(abac_term_t *ptr); |
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135 | char *abac_term_string(abac_term_t *ptr); |
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136 | char *abac_termtype_name(int i); |
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137 | char *abac_term_type_name(abac_term_t *term); |
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138 | abac_term_t *abac_term_dup(abac_term_t *ptr); |
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139 | abac_term_t *abac_term_create(int type, char *name, abac_condition_t *cptr); |
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140 | bool abac_term_is_urn_type(abac_term_t *); |
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141 | bool abac_term_is_integer_type(abac_term_t *); |
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142 | int abac_term_type(abac_term_t *term); |
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143 | abac_term_t *abac_term_add_constraint(abac_term_t *ptr, abac_condition_t *cond); |
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144 | abac_term_t *abac_term_new(int, char *, char *, abac_aspect_t *); |
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145 | void abac_term_free(abac_term_t *); |
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146 | bool abac_term_is_time_type(abac_term_t *); |
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147 | bool abac_term_is_string_type(abac_term_t *); |
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148 | char *abac_term_name(abac_term_t *); |
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149 | abac_condition_t *abac_term_constraint(abac_term_t *term); |
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150 | abac_param_list_t *abac_param_list_new(abac_term_t *term); |
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151 | abac_param_list_t *abac_param_list_free(abac_param_list_t *ptr); |
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152 | abac_param_list_t *abac_param_list_add_term(abac_param_list_t *, abac_term_t *term); |
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153 | char* abac_param_list_string(abac_param_list_t *ptr); |
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154 | char* abac_param_list_string_with_condition(abac_param_list_t *ptr); |
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155 | char* abac_param_list_typed_string_with_condition(abac_param_list_t *ptr); |
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156 | abac_term_t **abac_param_list_vectorize(abac_param_list_t *ptr); |
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157 | void abac_terms_free(abac_term_t **terms); |
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158 | |
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159 | /* from abac_verifier */ |
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160 | char *abac_cn_with_sha(char*); |
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161 | char *abac_idtype_with_sha(char*); |
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162 | char *abac_idtype_string(int); |
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163 | abac_stack_t *abac_verifier_dump_creds(); |
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164 | abac_id_credential_t *abac_verifier_add_id_credential(abac_id_t *a_id); |
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165 | |
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166 | /* from abac_id */ |
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167 | int abac_id_lastone(abac_id_t *ptr); |
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168 | abac_id_t *abac_id_dup(abac_id_t *id); |
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169 | void abac_id_free(abac_id_t *id); |
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170 | char *abac_id_cn(abac_id_t *id); |
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171 | char *abac_id_keyid(abac_id_t *id); |
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172 | abac_id_t *abac_id_from_file(char *filename); |
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173 | int abac_id_load_privkey(abac_id_t *id, char *filename); |
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174 | int abac_id_write_privkey(abac_id_t *id, FILE *out); |
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175 | int abac_id_has_privkey(abac_id_t *id); |
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176 | void abac_id_write_cert(abac_id_t *id, FILE *out); |
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177 | int abac_id_generate(abac_id_t **ret, char *cn, int validity); |
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178 | abac_chunk_t abac_id_cert_chunk(abac_id_t *id); |
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179 | |
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180 | /* from abac_aspect */ |
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181 | void abac_aspect_free(abac_aspect_t *); |
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182 | void abac_errx(int val, char *string); |
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183 | |
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184 | /* |
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185 | * Error codes for loading certificates. |
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186 | */ |
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187 | #define ABAC_CERT_SUCCESS 0 // certificate loaded, all is well |
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188 | #define ABAC_CERT_INVALID -1 // invalid format; also file not found |
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189 | #define ABAC_CERT_BAD_SIG -2 // invalid signature |
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190 | #define ABAC_CERT_MISSING_ISSUER -3 // missing ID cert that issued the attribute cert |
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191 | #define ABAC_CERT_BAD_CN -4 // ID cert is not matching CN=principal format |
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192 | #define ABAC_CERT_BAD_YAP -5 // failed to insert into prolog engine |
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193 | |
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194 | #define ABAC_ID_SUCCESS 0 |
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195 | #define ABAC_ID_GENERATE_INVALID_CN -1 |
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196 | #define ABAC_ID_GENERATE_INVALID_VALIDITY -2 |
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197 | |
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198 | #define ABAC_ATTRIBUTE_SUCCESS 0 |
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199 | #define ABAC_ATTRIBUTE_INVALID_ROLE -1 |
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200 | #define ABAC_ATTRIBUTE_INVALID_VALIDITY -2 |
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201 | #define ABAC_ATTRIBUTE_ISSUER_NOKEY -3 |
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202 | |
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203 | |
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204 | #define USE(evalue) ((getenv(evalue)!=NULL)?1:0) |
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205 | |
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206 | #endif /* __ABAC_H__ */ |
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