1 | #ifndef __ABAC_H__ |
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2 | #define __ABAC_H__ |
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3 | |
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4 | #include <abac_common.h> |
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5 | #include <abac_list.h> |
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6 | #include <abac_stack.h> |
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7 | |
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8 | typedef struct _abac_context_t abac_context_t; |
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9 | typedef struct _abac_credential_t abac_credential_t; |
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10 | typedef struct _abac_role_t abac_role_t; |
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11 | typedef struct _abac_oset_t abac_oset_t; |
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12 | typedef struct _abac_id_cert_t abac_id_cert_t; |
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13 | |
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14 | typedef struct _abac_condition_t abac_condition_t; |
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15 | typedef struct _abac_term_t abac_term_t; |
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16 | typedef struct _abac_param_list_t abac_param_list_t; |
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17 | |
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18 | /* |
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19 | * ABAC functions, operating on an ABAC context. |
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20 | */ |
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21 | abac_context_t *abac_context_new(void); |
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22 | abac_context_t *abac_context_dup(abac_context_t *ctx); |
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23 | void abac_context_free(abac_context_t *ctx); |
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24 | |
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25 | /* see the bottom of the file for possible return codes */ |
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26 | int abac_context_load_id_file(abac_context_t *ctx, char *filename); |
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27 | int abac_context_load_id_chunk(abac_context_t *ctx, abac_chunk_t cert); |
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28 | int abac_context_load_attribute_file(abac_context_t *ctx, char *filename); |
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29 | int abac_context_load_attribute_chunk(abac_context_t *ctx, abac_chunk_t cert); |
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30 | |
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31 | /* load an entire directory full of certs */ |
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32 | void abac_context_load_directory(abac_context_t *ctx, char *path); |
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33 | |
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34 | /* abac query, returns a NULL-terminated array of credentials on success, NULL on fail */ |
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35 | abac_credential_t **abac_context_query(abac_context_t *ctx, char *role, char *principal, int *success); |
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36 | |
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37 | /* get all the credentials from the context, returns a NULL-terminated array of credentials */ |
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38 | abac_credential_t **abac_context_credentials(abac_context_t *ctx); |
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39 | |
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40 | /* use this to free the results of either of the previous two functions */ |
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41 | void abac_context_credentials_free(abac_credential_t **credentials); |
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42 | |
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43 | /* |
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44 | * Operations on credentials |
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45 | */ |
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46 | abac_role_t *abac_credential_head(abac_credential_t *cred); |
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47 | abac_role_t *abac_credential_tail(abac_credential_t *cred); |
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48 | abac_chunk_t abac_credential_attribute_cert(abac_credential_t *cred); |
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49 | abac_chunk_t abac_credential_issuer_cert(abac_credential_t *cred); |
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50 | abac_credential_t *abac_credential_lookup(char *cred_string); |
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51 | char* abac_credential_clause(abac_credential_t *cred); |
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52 | |
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53 | abac_credential_t *abac_credential_dup(abac_credential_t *cred); |
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54 | void abac_credential_free(abac_credential_t *cred); |
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55 | |
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56 | /* |
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57 | * Operations on roles. |
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58 | */ |
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59 | abac_role_t *abac_role_principal_new(char *principal); |
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60 | abac_role_t *abac_role_role_new(char *principal, char *abac_role_name); |
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61 | abac_role_t *abac_role_linking_new(char *principal, char *linked_role, char *abac_role_name); |
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62 | abac_role_t *abac_role_intersection_new(char *name, abac_list_t *prereqs); |
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63 | |
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64 | int abac_verify_roletype(char *type); |
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65 | void abac_role_free(abac_role_t *role); |
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66 | |
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67 | abac_role_t *abac_role_from_string(char *string); |
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68 | abac_role_t *abac_role_dup(abac_role_t *role); |
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69 | |
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70 | int abac_role_is_principal(abac_role_t *role); |
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71 | int abac_role_is_role(abac_role_t *role); |
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72 | int abac_role_is_linking(abac_role_t *role); |
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73 | int abac_role_is_intersection(abac_role_t *role); |
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74 | |
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75 | char *abac_role_string(abac_role_t *role); |
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76 | char *abac_role_linked_role(abac_role_t *role); |
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77 | char *abac_role_role_name(abac_role_t *role); |
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78 | char *abac_role_role_param_string(abac_role_t *role); |
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79 | char *abac_role_principal(abac_role_t *role); |
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80 | abac_list_t *abac_role_prereqs(abac_role_t *role); |
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81 | |
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82 | abac_param_list_t *abac_role_linked_role_params(abac_role_t *role); |
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83 | abac_param_list_t *abac_role_role_params(abac_role_t *role); |
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84 | |
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85 | char *abac_role_attr_key(abac_role_t *head_role, abac_role_t *tail_role); |
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86 | char *abac_role_principal_cn(abac_role_t *role); |
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87 | char *abac_role_string_with_condition(abac_role_t *); |
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88 | |
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89 | /* |
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90 | * Operations on oset |
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91 | */ |
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92 | char *abac_oset_principal_cn(abac_oset_t *oset); |
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93 | char *abac_oset_oset_name(abac_oset_t *oset); |
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94 | abac_param_list_t *abac_oset_oset_params(abac_oset_t *); |
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95 | int abac_oset_is_object(abac_oset_t *); |
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96 | char *abac_oset_object_cn(abac_oset_t *); |
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97 | char *abac_oset_linked_role(abac_oset_t *); |
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98 | abac_param_list_t *abac_oset_linked_role_params(abac_oset_t *); |
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99 | abac_list_t *abac_oset_prereqs(abac_oset_t *); |
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100 | int abac_oset_is_intersection(abac_oset_t *); |
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101 | abac_oset_t *abac_oset_principal_new(char *); |
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102 | abac_oset_t *abac_oset_intersection_new(char *, abac_list_t *); |
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103 | abac_oset_t *abac_oset_oset_new(char *, char *); |
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104 | abac_oset_t *abac_oset_object_new(abac_term_t *); |
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105 | char *abac_oset_principal(abac_oset_t *); |
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106 | abac_oset_t *abac_oset_linking_new(char *, char *, char *); |
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107 | char *abac_oset_string_with_condition(abac_oset_t *); |
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108 | char *abac_oset_oset_param_string(abac_oset_t *); |
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109 | |
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110 | /* |
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111 | * Operations on term/params. |
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112 | */ |
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113 | char *abac_term_type(int); |
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114 | abac_term_t *abac_term_new(int, char *, char *, void *); |
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115 | void abac_term_free(abac_term_t *); |
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116 | int abac_term_is_time_type(int); |
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117 | char *abac_term_name(abac_term_t *); |
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118 | abac_condition_t *abac_term_constraint(abac_term_t *term); |
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119 | abac_param_list_t *abac_param_list_new(abac_term_t *term); |
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120 | abac_param_list_t *abac_param_list_free(abac_param_list_t *ptr); |
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121 | abac_param_list_t *abac_param_list_add_term(abac_param_list_t *, abac_term_t *term); |
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122 | char* abac_param_list_string(abac_param_list_t *ptr); |
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123 | char* abac_param_list_string_with_condition(abac_param_list_t *ptr); |
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124 | |
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125 | /* from abac_verifier */ |
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126 | char *abac_cn_with_sha(char*); |
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127 | char *abac_keyid_type(int); |
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128 | |
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129 | /* |
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130 | * Error codes for loading certificates. |
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131 | */ |
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132 | #define ABAC_CERT_SUCCESS 0 // certificate loaded, all is well |
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133 | #define ABAC_CERT_INVALID -1 // invalid format; also file not found |
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134 | #define ABAC_CERT_BAD_SIG -2 // invalid signature |
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135 | #define ABAC_CERT_MISSING_ISSUER -3 // missing ID cert that issued the attribute cert |
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136 | #define ABAC_CERT_BAD_CN -4 // ID cert is not matching CN=principal format |
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137 | #define ABAC_CERT_BAD_YAP -5 // failed to insert into prolog engine |
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138 | |
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139 | #endif /* __ABAC_H__ */ |
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