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