[8bd77b5] | 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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