[8bd77b5] | 1 | |
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| 2 | /** |
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| 3 | ** abac_aspect.c |
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| 4 | **/ |
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| 5 | |
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| 6 | |
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| 7 | #include <assert.h> |
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| 8 | #include <stdlib.h> |
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| 9 | #include <stdio.h> |
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| 10 | #include <string.h> |
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| 11 | |
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| 12 | #include "abac_list.h" |
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| 13 | #include "abac_util.h" |
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| 14 | |
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| 15 | #include "abac_internal.h" |
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| 16 | |
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| 17 | static int debug=0; |
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| 18 | /* |
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| 19 | A.role <- B |
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| 20 | A.role <- B.role |
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| 21 | A.role <- B.role.role |
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| 22 | |
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| 23 | A.oset <- B |
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| 24 | A.oset <- Obj |
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| 25 | A.oset <- B.oset |
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| 26 | A.oset <- B.role.oset |
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| 27 | */ |
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| 28 | |
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| 29 | /* can store either a role or oset */ |
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| 30 | struct _abac_aspect_t { |
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| 31 | int aspect_type; |
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| 32 | int is_object; |
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| 33 | |
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| 34 | char *principal_name; |
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[d037f54] | 35 | char *principal_name_p; // pPrincipal_name |
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[8bd77b5] | 36 | abac_term_t *principal_object; |
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| 37 | |
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| 38 | char *linked_role_name; |
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| 39 | abac_param_list_t *linked_role_params; |
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| 40 | |
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| 41 | char *aspect_name; |
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| 42 | abac_param_list_t *aspect_params; |
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| 43 | |
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| 44 | char *type_string; // "oset" or "role" |
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| 45 | |
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| 46 | abac_list_t *prereqs; |
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| 47 | int refcount; |
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| 48 | }; |
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| 49 | |
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| 50 | /**************************************************************/ |
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| 51 | bool abac_aspect_is_oset(abac_aspect_t *ptr) |
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| 52 | { |
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| 53 | assert(ptr); |
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| 54 | if(ptr->aspect_type==e_ASPECTTYPE_OSET) |
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| 55 | return 1; |
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| 56 | return 0; |
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| 57 | } |
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| 58 | |
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| 59 | |
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| 60 | bool abac_aspect_is_role(abac_aspect_t *ptr) |
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| 61 | { |
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| 62 | assert(ptr); |
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| 63 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
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| 64 | return 1; |
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| 65 | return 0; |
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| 66 | } |
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| 67 | |
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| 68 | bool abac_aspect_is_intersecting(abac_aspect_t *ptr) |
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| 69 | { |
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| 70 | assert(ptr); |
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| 71 | if(ptr->aspect_type==e_ASPECTTYPE_INTERSECTING) |
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| 72 | return 1; |
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| 73 | return 0; |
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| 74 | } |
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| 75 | |
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| 76 | /* A.role->B or A.oset->B */ |
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| 77 | bool abac_aspect_is_principal(abac_aspect_t *ptr) { |
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| 78 | assert(ptr != NULL); |
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| 79 | return ptr->is_object == 0 && |
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| 80 | ptr->aspect_name == NULL && |
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| 81 | ptr->linked_role_name == NULL && |
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| 82 | ptr->prereqs == NULL; |
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| 83 | } |
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| 84 | |
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| 85 | /* A.oset->O */ |
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| 86 | bool abac_aspect_is_object(abac_aspect_t *ptr) |
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| 87 | { |
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| 88 | assert(ptr); |
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| 89 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
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| 90 | return ptr->is_object; |
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| 91 | return 0; |
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| 92 | } |
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| 93 | |
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| 94 | /* A.role->B.role.role or A.oset->B.role.oset */ |
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| 95 | bool abac_aspect_is_linking(abac_aspect_t *ptr) |
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| 96 | { |
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| 97 | assert(ptr); |
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| 98 | return ptr->linked_role_name != NULL; |
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| 99 | } |
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| 100 | |
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| 101 | /** |
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| 102 | * True if an aspect is an intersection. |
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| 103 | */ |
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| 104 | bool abac_aspect_is_intersection(abac_aspect_t *ptr) |
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| 105 | { |
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| 106 | assert(ptr); |
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| 107 | return ptr->prereqs != NULL; |
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| 108 | } |
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| 109 | |
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| 110 | /** |
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| 111 | * return the type that is common to all the intersecting aspects |
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| 112 | */ |
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| 113 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
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| 114 | { |
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| 115 | assert(ptr); |
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| 116 | assert(ptr->prereqs); |
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| 117 | abac_aspect_t *cur; |
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| 118 | int first=1; |
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| 119 | int type; |
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| 120 | abac_list_foreach(ptr->prereqs, cur, |
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| 121 | if(first) { |
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| 122 | type=abac_aspect_aspect_type(cur); |
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| 123 | first=0; |
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| 124 | } else { |
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| 125 | if(abac_aspect_aspect_type(cur) != type) |
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| 126 | errx(1,"Intersecting tails are not of the same type"); |
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| 127 | } |
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| 128 | ); |
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| 129 | return type; |
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| 130 | } |
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| 131 | |
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| 132 | /** |
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| 133 | * Returns the prereqs of an intersection. |
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| 134 | */ |
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| 135 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
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| 136 | { |
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| 137 | assert(ptr); |
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| 138 | return ptr->prereqs; |
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| 139 | } |
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| 140 | |
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| 141 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
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| 142 | { |
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| 143 | assert(ptr); |
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| 144 | return ptr->type_string; |
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| 145 | } |
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| 146 | |
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| 147 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
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| 148 | { |
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| 149 | assert(ptr); |
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| 150 | return ptr->aspect_type; |
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| 151 | } |
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| 152 | |
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| 153 | /** |
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| 154 | * Returns the linked part of a linking aspect. |
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| 155 | * For instance, if the aspect is A.r1.r2, this returns r1. |
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| 156 | */ |
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| 157 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
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| 158 | { |
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| 159 | assert(ptr); |
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| 160 | return ptr->linked_role_name; |
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| 161 | } |
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| 162 | |
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| 163 | /* A.r1 without params or constraints, callee needs to free it*/ |
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| 164 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
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| 165 | { |
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| 166 | assert(ptr); |
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| 167 | assert(ptr->principal_name); |
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| 168 | assert(ptr->linked_role_name); |
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| 169 | char *tmp=NULL; |
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| 170 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
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| 171 | return tmp; |
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| 172 | } |
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| 173 | |
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| 174 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
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| 175 | { |
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| 176 | assert(ptr); |
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| 177 | return ptr->linked_role_params; |
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| 178 | } |
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| 179 | |
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| 180 | /** |
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| 181 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
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| 182 | * If the aspect is A.r1.r2 then return r2. |
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| 183 | */ |
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| 184 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
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| 185 | assert(ptr); |
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| 186 | return ptr->aspect_name; |
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| 187 | } |
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| 188 | |
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| 189 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
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| 190 | { |
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| 191 | assert(ptr); |
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| 192 | return ptr->aspect_params; |
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| 193 | } |
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| 194 | |
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| 195 | /** |
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| 196 | * Returns the principal part of an aspect. The stuff before the first dot. |
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| 197 | */ |
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| 198 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
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| 199 | { |
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| 200 | assert(ptr); |
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| 201 | if(USE("ABAC_CN")) |
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| 202 | return abac_cn_with_sha(ptr->principal_name); |
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[d037f54] | 203 | if(ABAC_IN_PROLOG) { |
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| 204 | return ptr->principal_name_p; |
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| 205 | } else return ptr->principal_name; |
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[8bd77b5] | 206 | } |
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| 207 | |
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| 208 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
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| 209 | { |
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| 210 | assert(ptr); |
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[d037f54] | 211 | if(ABAC_IN_PROLOG) |
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| 212 | return ptr->principal_name_p; |
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[8bd77b5] | 213 | return ptr->principal_name; |
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| 214 | } |
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| 215 | |
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[13c9479] | 216 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
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| 217 | { |
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| 218 | assert(ptr); |
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| 219 | return abac_idtype_with_sha(ptr->principal_name); |
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| 220 | } |
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| 221 | |
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[8bd77b5] | 222 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
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| 223 | { |
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| 224 | assert(ptr); |
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| 225 | return abac_cn_with_sha(ptr->principal_name); |
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| 226 | } |
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| 227 | |
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| 228 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
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| 229 | { |
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| 230 | assert(ptr); |
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| 231 | assert(ptr->is_object); |
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| 232 | abac_term_t *obj=ptr->principal_object; |
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| 233 | char *tmp=abac_term_name(obj); |
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| 234 | return abac_term_name(obj); |
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| 235 | } |
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| 236 | |
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| 237 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
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| 238 | { |
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| 239 | assert(ptr); |
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| 240 | assert(ptr->is_object); |
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| 241 | abac_term_t *obj=ptr->principal_object; |
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| 242 | char *tmp=abac_term_type_name(obj); |
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| 243 | return tmp; |
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| 244 | } |
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| 245 | |
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| 246 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
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| 247 | { |
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| 248 | assert(ptr != NULL); |
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| 249 | assert(ptr->is_object); |
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| 250 | abac_term_t *obj=ptr->principal_object; |
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| 251 | return abac_term_constraint(obj); |
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| 252 | } |
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| 253 | |
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| 254 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
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| 255 | { |
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| 256 | abac_id_t *issuer_id; |
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| 257 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 258 | if(principalname) { |
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| 259 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 260 | if(id_cred) |
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| 261 | issuer_id=abac_id_credential_id(id_cred); |
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| 262 | } |
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| 263 | return issuer_id; |
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| 264 | } |
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| 265 | /** |
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| 266 | * Increase a aspect's reference count. |
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| 267 | */ |
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| 268 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
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| 269 | { |
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| 270 | assert(ptr != NULL); |
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| 271 | ++ptr->refcount; |
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| 272 | return ptr; |
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| 273 | } |
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| 274 | |
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| 275 | /** |
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| 276 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
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| 277 | */ |
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| 278 | void abac_aspect_free(abac_aspect_t *ptr) { |
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| 279 | |
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| 280 | if(debug) |
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| 281 | printf("DEBUG:trying to freeing an aspect %d\n",(int)ptr); |
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| 282 | |
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| 283 | assert(ptr); |
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| 284 | |
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| 285 | --ptr->refcount; |
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| 286 | if (ptr->refcount > 0) |
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| 287 | return; |
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| 288 | |
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| 289 | if(ptr->principal_name) free(ptr->principal_name); |
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[d037f54] | 290 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
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[8bd77b5] | 291 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
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| 292 | if(ptr->aspect_name) free(ptr->aspect_name); |
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| 293 | |
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| 294 | if(ptr->type_string) free(ptr->type_string); |
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| 295 | |
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| 296 | if (ptr->aspect_params != NULL) { |
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| 297 | abac_param_list_free(ptr->aspect_params); |
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| 298 | } |
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| 299 | |
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| 300 | if (ptr->linked_role_params != NULL) { |
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| 301 | abac_param_list_free(ptr->linked_role_params); |
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| 302 | } |
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| 303 | |
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| 304 | if (ptr->prereqs != NULL) { |
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| 305 | abac_aspect_t *cur; |
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| 306 | abac_list_foreach(ptr->prereqs, cur, |
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| 307 | abac_aspect_free(cur); |
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| 308 | ); |
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| 309 | abac_list_free(ptr->prereqs); |
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| 310 | } |
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| 311 | |
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| 312 | free(ptr); |
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| 313 | } |
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| 314 | |
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| 315 | /**********************************************************************/ |
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| 316 | |
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| 317 | abac_aspect_t *abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
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| 318 | { |
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| 319 | if(ptr->aspect_params == NULL) { |
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| 320 | ptr->aspect_params=abac_param_list_new(param); |
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| 321 | } else { |
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| 322 | abac_param_list_add_term(ptr->aspect_params, param); |
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| 323 | } |
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| 324 | return ptr; |
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| 325 | } |
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| 326 | |
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| 327 | abac_aspect_t *abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
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| 328 | { |
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| 329 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
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| 330 | return ptr; |
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| 331 | } |
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| 332 | |
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| 333 | abac_aspect_t *abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
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| 334 | { |
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| 335 | if(ptr->linked_role_params == NULL) { |
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| 336 | ptr->linked_role_params=abac_param_list_new(param); |
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| 337 | } else { |
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| 338 | abac_param_list_add_term(ptr->linked_role_params, param); |
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| 339 | } |
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| 340 | return ptr; |
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| 341 | } |
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| 342 | |
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| 343 | |
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| 344 | /**********************************************************************/ |
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| 345 | |
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| 346 | /** |
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| 347 | * Create a new principal and initialize it. |
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| 348 | * always with the proper SHA string |
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| 349 | */ |
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| 350 | static abac_aspect_t *_abac_aspect_init() |
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| 351 | { |
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| 352 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
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| 353 | |
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| 354 | ptr->is_object=0; |
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| 355 | ptr->principal_name = NULL; |
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[d037f54] | 356 | ptr->principal_name_p = NULL; |
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[8bd77b5] | 357 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
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| 358 | |
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| 359 | ptr->aspect_name = NULL; |
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| 360 | ptr->aspect_params = NULL; |
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| 361 | |
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| 362 | ptr->linked_role_name = NULL; |
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| 363 | ptr->linked_role_params = NULL; |
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| 364 | |
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| 365 | ptr->type_string=NULL; |
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| 366 | |
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| 367 | ptr->prereqs = NULL; |
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| 368 | ptr->refcount = 1; |
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| 369 | } |
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| 370 | |
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| 371 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
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| 372 | { |
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| 373 | assert(principal_name != NULL); |
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| 374 | |
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| 375 | if (strlen(principal_name) == 0) |
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| 376 | return NULL; |
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| 377 | |
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| 378 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 379 | ptr->aspect_type=type; |
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| 380 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 381 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 382 | if(type==e_ASPECTTYPE_ROLE) |
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| 383 | ptr->type_string=abac_xstrdup("role"); |
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| 384 | if(type==e_ASPECTTYPE_OSET) |
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| 385 | ptr->type_string=abac_xstrdup("oset"); |
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| 386 | return ptr; |
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| 387 | } |
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| 388 | |
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| 389 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
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| 390 | { |
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| 391 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
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| 392 | } |
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| 393 | |
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| 394 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
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| 395 | { |
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[d037f54] | 396 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
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[8bd77b5] | 397 | } |
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| 398 | |
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| 399 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
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| 400 | { |
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| 401 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
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| 402 | } |
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| 403 | |
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| 404 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
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| 405 | { |
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[d037f54] | 406 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
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[8bd77b5] | 407 | } |
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| 408 | |
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| 409 | |
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| 410 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
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| 411 | { |
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| 412 | assert(object != NULL); |
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| 413 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 414 | ptr->aspect_type=type; |
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| 415 | ptr->is_object =1; |
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| 416 | ptr->principal_object = object; |
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| 417 | /* can not be role type */ |
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| 418 | if(type==e_ASPECTTYPE_OSET) |
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| 419 | ptr->type_string=abac_xstrdup("oset"); |
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| 420 | |
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| 421 | return ptr; |
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| 422 | } |
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| 423 | |
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| 424 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
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| 425 | { |
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| 426 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
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| 427 | } |
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| 428 | |
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| 429 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
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| 430 | { |
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| 431 | assert(principal_name != NULL); |
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| 432 | assert(aspect_name != NULL); |
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| 433 | |
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| 434 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
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| 435 | return NULL; |
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| 436 | |
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| 437 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 438 | |
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| 439 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 440 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 441 | ptr->aspect_type=type; |
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| 442 | |
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| 443 | ptr->aspect_name = abac_xstrdup(aspect_name); |
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| 444 | |
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| 445 | if(type==e_ASPECTTYPE_OSET) |
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| 446 | ptr->type_string= abac_xstrdup("oset"); |
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| 447 | else |
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| 448 | ptr->type_string= abac_xstrdup("role"); |
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| 449 | |
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| 450 | if(debug) |
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| 451 | printf("DEBUG:adding a new aspect (%s) to principal (%s)\n", |
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| 452 | ptr->aspect_name, ptr->principal_name); |
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| 453 | return ptr; |
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| 454 | } |
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| 455 | |
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| 456 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
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| 457 | { |
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| 458 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
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| 459 | } |
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| 460 | |
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| 461 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
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| 462 | { |
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[d037f54] | 463 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
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[8bd77b5] | 464 | } |
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| 465 | |
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| 466 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
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| 467 | { |
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| 468 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
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| 469 | } |
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| 470 | |
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| 471 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
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| 472 | { |
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[d037f54] | 473 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
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[8bd77b5] | 474 | } |
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| 475 | |
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| 476 | /** |
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| 477 | * Created a new linking role/oset and initialize it. |
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| 478 | */ |
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| 479 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
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| 480 | char *linked_role_name, char *aspect_name) |
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| 481 | { |
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| 482 | assert(principal_name != NULL); |
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| 483 | assert(linked_role_name != NULL); |
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| 484 | assert(aspect_name != NULL); |
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| 485 | |
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| 486 | if (strlen(principal_name) == 0 || |
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| 487 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
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| 488 | return NULL; |
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| 489 | |
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| 490 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 491 | |
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| 492 | ptr->is_object=0; |
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| 493 | ptr->aspect_type=type; |
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| 494 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 495 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 496 | |
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| 497 | ptr->linked_role_name = strdup(linked_role_name); |
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| 498 | ptr->aspect_name = strdup(aspect_name); |
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| 499 | ptr->aspect_params = NULL; |
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| 500 | |
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| 501 | if(debug) |
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| 502 | printf("DEBUG:adding a new linked (%s) to oset(%s) for principal(%s)\n", |
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| 503 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
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| 504 | |
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| 505 | if(type==e_ASPECTTYPE_OSET) |
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| 506 | ptr->type_string=abac_xstrdup("oset"); |
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| 507 | else ptr->type_string=abac_xstrdup("role"); |
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| 508 | |
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| 509 | return ptr; |
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| 510 | } |
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| 511 | |
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| 512 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
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| 513 | char *role_name) |
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| 514 | { |
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| 515 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
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| 516 | principal_name, linked_role_name, role_name); |
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| 517 | } |
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| 518 | |
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| 519 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
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| 520 | char *oset_name) |
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| 521 | { |
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| 522 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
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| 523 | principal_name, linked_role_name, oset_name); |
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| 524 | } |
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| 525 | |
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| 526 | /** |
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| 527 | * Create an intersection oset/role. |
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| 528 | */ |
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| 529 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
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| 530 | { |
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| 531 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 532 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
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| 533 | abac_list_t *prereqs = abac_list_new(); |
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| 534 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
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| 535 | ptr->prereqs = prereqs; |
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| 536 | ptr->refcount = 1; |
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| 537 | return ptr; |
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| 538 | } |
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| 539 | |
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| 540 | /*******************************************************************/ |
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| 541 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
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| 542 | { |
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| 543 | assert(ptr != NULL); |
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| 544 | char *tmp=NULL; |
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| 545 | if (ptr->prereqs != NULL) { |
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| 546 | abac_aspect_t *cur; |
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| 547 | abac_list_foreach(ptr->prereqs, cur, |
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| 548 | char *ntmp=NULL; |
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| 549 | if(typed) |
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| 550 | ntmp=abac_aspect_typed_string_with_condition(cur); |
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| 551 | else |
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| 552 | ntmp=abac_aspect_string_with_condition(cur); |
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| 553 | if(tmp==NULL) { |
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| 554 | asprintf(&tmp,"%s",ntmp); |
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| 555 | } else { |
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| 556 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
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| 557 | } |
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| 558 | ); |
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| 559 | } |
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| 560 | return tmp; |
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| 561 | } |
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| 562 | |
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| 563 | /** |
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| 564 | * Returns the string representation of the role/oset. |
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| 565 | * principal.osetname(params..) |
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| 566 | * principal.rolename(params..) |
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| 567 | */ |
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| 568 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
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| 569 | { |
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| 570 | assert(ptr != NULL); |
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| 571 | |
---|
| 572 | if(abac_aspect_is_intersection(ptr)) { |
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| 573 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
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| 574 | } |
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| 575 | |
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| 576 | char *tmp=NULL; |
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| 577 | char *principal_name; |
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| 578 | if(abac_aspect_is_object(ptr)) |
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| 579 | principal_name = abac_aspect_object_name(ptr); |
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| 580 | else principal_name = abac_aspect_principal_name(ptr); |
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| 581 | char *aspect_name= ptr->aspect_name; |
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| 582 | char *linked_role_name = ptr->linked_role_name; |
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| 583 | char *params_string=NULL; |
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| 584 | char *linked_params_string=NULL; |
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| 585 | |
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| 586 | int len = 0; |
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| 587 | if(principal_name) |
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| 588 | len=len+strlen(principal_name)+1; |
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| 589 | if(aspect_name) |
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| 590 | len = len+strlen(aspect_name)+1; |
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| 591 | if(linked_role_name) |
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| 592 | len = len+strlen(linked_role_name)+1; |
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| 593 | |
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| 594 | if(ptr->aspect_params) { |
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| 595 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 596 | len = len+strlen(params_string)+3; |
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| 597 | } |
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| 598 | if(ptr->linked_role_params) { |
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| 599 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
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| 600 | len = len+strlen(linked_params_string)+3; |
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| 601 | } |
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| 602 | |
---|
| 603 | /* principal */ |
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| 604 | /* principal.oset/role */ |
---|
| 605 | /* principal.oset/role(params_string) */ |
---|
| 606 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
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| 607 | tmp = abac_xmalloc(len); |
---|
| 608 | |
---|
| 609 | if(principal_name) |
---|
| 610 | sprintf(tmp,"%s",principal_name); |
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| 611 | |
---|
| 612 | if(linked_role_name) { |
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| 613 | strcat(tmp,"."); |
---|
| 614 | strcat(tmp,linked_role_name); |
---|
| 615 | } |
---|
| 616 | if(linked_params_string) { |
---|
| 617 | strcat(tmp,"("); |
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| 618 | strcat(tmp,linked_params_string); |
---|
| 619 | strcat(tmp,")"); |
---|
| 620 | } |
---|
| 621 | if(aspect_name) { |
---|
| 622 | strcat(tmp,"."); |
---|
| 623 | strcat(tmp,aspect_name); |
---|
| 624 | } |
---|
| 625 | if(params_string) { |
---|
| 626 | strcat(tmp,"("); |
---|
| 627 | strcat(tmp,params_string); |
---|
| 628 | strcat(tmp,")"); |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | if(linked_params_string) free(linked_params_string); |
---|
| 632 | if(params_string) free(params_string); |
---|
| 633 | return tmp; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | char *abac_aspect_string(abac_aspect_t *ptr) { |
---|
| 637 | return abac_aspect_string_with_condition(ptr); |
---|
| 638 | } |
---|
| 639 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
---|
| 640 | return abac_aspect_typed_string_with_condition(ptr); |
---|
| 641 | } |
---|
| 642 | |
---|
| 643 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 644 | { |
---|
| 645 | char *string=abac_aspect_string_with_condition(ptr); |
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| 646 | if(fp==NULL) |
---|
| 647 | printf("%s ",string); |
---|
| 648 | else fprintf(fp,"%s ",string); |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
---|
| 652 | assert(ptr != NULL); |
---|
| 653 | if(ptr->aspect_params) { |
---|
| 654 | return abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 655 | } |
---|
| 656 | return NULL; |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 660 | assert(ptr != NULL); |
---|
| 661 | if(ptr->aspect_params) { |
---|
| 662 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 663 | } |
---|
| 664 | return NULL; |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | /** |
---|
| 668 | * Returns the typed string representation of the role/oset. |
---|
| 669 | */ |
---|
| 670 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 671 | { |
---|
| 672 | assert(ptr != NULL); |
---|
| 673 | |
---|
| 674 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 675 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
---|
| 676 | } |
---|
| 677 | |
---|
| 678 | char *tmp=NULL, *final=NULL; |
---|
| 679 | char *principal_name; |
---|
| 680 | char *principal_name_type=NULL; |
---|
| 681 | if(abac_aspect_is_object(ptr)) { |
---|
| 682 | principal_name = abac_aspect_object_name(ptr); |
---|
| 683 | principal_name_type = abac_aspect_object_type(ptr); |
---|
| 684 | } else { |
---|
| 685 | principal_name = abac_aspect_principal_name(ptr); |
---|
[13c9479] | 686 | principal_name_type=abac_aspect_principal_type(ptr); |
---|
[8bd77b5] | 687 | if(debug) { |
---|
| 688 | printf("aspect's typed_string (%s)(%s)\n", principal_name_type, principal_name); |
---|
| 689 | } |
---|
| 690 | } |
---|
| 691 | char *aspect_name=abac_aspect_aspect_name(ptr); |
---|
| 692 | char *aspect_name_type=abac_aspect_type_string(ptr); |
---|
| 693 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 694 | char *params_string=NULL; |
---|
| 695 | char *linked_params_string=NULL; |
---|
| 696 | |
---|
| 697 | if(ptr->aspect_params) { |
---|
| 698 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 699 | } |
---|
| 700 | if(ptr->linked_role_params) { |
---|
| 701 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 705 | if(linked_role_name) { |
---|
| 706 | tmp=final; |
---|
| 707 | final=NULL; |
---|
| 708 | asprintf(&final,".role:%s",tmp,linked_role_name); |
---|
| 709 | free(tmp); |
---|
| 710 | } |
---|
| 711 | if(linked_params_string) { |
---|
| 712 | tmp=final; |
---|
| 713 | final=NULL; |
---|
| 714 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 715 | free(tmp); |
---|
| 716 | } |
---|
| 717 | if(aspect_name) { |
---|
| 718 | tmp=final; |
---|
| 719 | final=NULL; |
---|
| 720 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 721 | free(tmp); |
---|
| 722 | } |
---|
| 723 | if(params_string) { |
---|
| 724 | tmp=final; |
---|
| 725 | final=NULL; |
---|
| 726 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 727 | free(tmp); |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | if(linked_params_string) free(linked_params_string); |
---|
| 731 | if(params_string) free(params_string); |
---|
| 732 | return final; |
---|
| 733 | } |
---|
| 734 | |
---|
| 735 | /** |
---|
| 736 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 737 | */ |
---|
| 738 | #define ROLE_SEPARATOR " <- " |
---|
| 739 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 740 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 741 | int head_len = strlen(head); |
---|
| 742 | |
---|
| 743 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 744 | int tail_len = strlen(tail); |
---|
| 745 | |
---|
| 746 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 747 | |
---|
| 748 | // "head <- tail" |
---|
| 749 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 750 | memcpy(ret, head, head_len); |
---|
| 751 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 752 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 753 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 754 | |
---|
| 755 | return ret; |
---|
| 756 | } |
---|