[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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[440ba20] | 51 | void abac_aspect_dump(abac_aspect_t *ptr, char* offset) |
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| 52 | { |
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| 53 | char *tmp=NULL; |
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| 54 | asprintf(&tmp," %s",offset); |
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| 55 | if(ptr->prereqs != 0) { |
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| 56 | abac_aspect_t *cur; |
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| 57 | abac_list_foreach(ptr->prereqs, cur, |
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| 58 | if(cur) |
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| 59 | abac_aspect_dump(cur, tmp); |
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| 60 | ); |
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| 61 | return; |
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| 62 | } |
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| 63 | |
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| 64 | printf("\n..... an aspect .....\n"); |
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| 65 | printf("%s aspect_type: %d(%s)\n", offset, ptr->aspect_type, abac_aspect_type_string(ptr)); |
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| 66 | printf("%s is_object: %d\n", offset, ptr->is_object); |
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| 67 | printf("%s principal_name: %s\n", offset, ptr->principal_name); |
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| 68 | if(ptr->principal_name_p) |
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| 69 | printf("%s principal_name_p: %s\n", offset, ptr->principal_name_p); |
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| 70 | else printf("%s principal_name_p: --\n", offset); |
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| 71 | if(ptr->principal_object) |
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| 72 | abac_term_dump(ptr->principal_object, tmp); |
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| 73 | else ("%s principal_object: --\n", offset); |
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| 74 | if(ptr->linked_role_name) |
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| 75 | printf("%s linked_role_name: %s\n", offset, ptr->linked_role_name); |
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| 76 | else printf("%s linked_role_name: --\n", offset); |
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| 77 | if(ptr->linked_role_params) |
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| 78 | abac_param_dump(ptr->linked_role_params, tmp); |
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| 79 | else printf("%s linked_role_params: --\n", offset); |
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| 80 | if(ptr->aspect_name) |
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| 81 | printf("%s aspect_name: %s\n", offset, ptr->aspect_name); |
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| 82 | else printf("%s aspect_name: --\n", offset); |
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| 83 | if(ptr->aspect_params) |
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| 84 | abac_param_dump(ptr->aspect_params, tmp); |
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| 85 | else printf("%s aspect_params: --\n", offset); |
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| 86 | if(ptr->type_string) |
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| 87 | printf("%s type_string:- %s\n", offset, ptr->type_string); |
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| 88 | else printf("%s type_string: --\n", offset); |
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| 89 | printf("%s refcount:- %d\n", offset, ptr->refcount); |
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| 90 | printf(".................................."); |
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| 91 | free(tmp); |
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| 92 | } |
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| 93 | |
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[8bd77b5] | 94 | bool abac_aspect_is_oset(abac_aspect_t *ptr) |
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| 95 | { |
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| 96 | assert(ptr); |
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| 97 | if(ptr->aspect_type==e_ASPECTTYPE_OSET) |
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| 98 | return 1; |
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| 99 | return 0; |
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| 100 | } |
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| 101 | |
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| 102 | |
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| 103 | bool abac_aspect_is_role(abac_aspect_t *ptr) |
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| 104 | { |
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| 105 | assert(ptr); |
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| 106 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
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| 107 | return 1; |
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| 108 | return 0; |
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| 109 | } |
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| 110 | |
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| 111 | bool abac_aspect_is_intersecting(abac_aspect_t *ptr) |
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| 112 | { |
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| 113 | assert(ptr); |
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| 114 | if(ptr->aspect_type==e_ASPECTTYPE_INTERSECTING) |
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| 115 | return 1; |
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| 116 | return 0; |
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| 117 | } |
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| 118 | |
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| 119 | /* A.role->B or A.oset->B */ |
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| 120 | bool abac_aspect_is_principal(abac_aspect_t *ptr) { |
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| 121 | assert(ptr != NULL); |
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| 122 | return ptr->is_object == 0 && |
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| 123 | ptr->aspect_name == NULL && |
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| 124 | ptr->linked_role_name == NULL && |
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| 125 | ptr->prereqs == NULL; |
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| 126 | } |
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| 127 | |
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| 128 | /* A.oset->O */ |
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| 129 | bool abac_aspect_is_object(abac_aspect_t *ptr) |
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| 130 | { |
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| 131 | assert(ptr); |
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| 132 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
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| 133 | return ptr->is_object; |
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| 134 | return 0; |
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| 135 | } |
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| 136 | |
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| 137 | /* A.role->B.role.role or A.oset->B.role.oset */ |
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| 138 | bool abac_aspect_is_linking(abac_aspect_t *ptr) |
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| 139 | { |
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| 140 | assert(ptr); |
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| 141 | return ptr->linked_role_name != NULL; |
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| 142 | } |
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| 143 | |
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| 144 | /** |
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| 145 | * True if an aspect is an intersection. |
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| 146 | */ |
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| 147 | bool abac_aspect_is_intersection(abac_aspect_t *ptr) |
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| 148 | { |
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| 149 | assert(ptr); |
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| 150 | return ptr->prereqs != NULL; |
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| 151 | } |
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| 152 | |
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| 153 | /** |
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| 154 | * return the type that is common to all the intersecting aspects |
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| 155 | */ |
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| 156 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
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| 157 | { |
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| 158 | assert(ptr); |
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| 159 | assert(ptr->prereqs); |
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| 160 | abac_aspect_t *cur; |
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| 161 | int first=1; |
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| 162 | int type; |
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| 163 | abac_list_foreach(ptr->prereqs, cur, |
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| 164 | if(first) { |
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| 165 | type=abac_aspect_aspect_type(cur); |
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| 166 | first=0; |
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| 167 | } else { |
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| 168 | if(abac_aspect_aspect_type(cur) != type) |
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| 169 | errx(1,"Intersecting tails are not of the same type"); |
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| 170 | } |
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| 171 | ); |
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| 172 | return type; |
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| 173 | } |
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| 174 | |
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| 175 | /** |
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| 176 | * Returns the prereqs of an intersection. |
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| 177 | */ |
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| 178 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
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| 179 | { |
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| 180 | assert(ptr); |
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| 181 | return ptr->prereqs; |
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| 182 | } |
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| 183 | |
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| 184 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
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| 185 | { |
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| 186 | assert(ptr); |
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| 187 | return ptr->type_string; |
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| 188 | } |
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| 189 | |
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| 190 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
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| 191 | { |
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| 192 | assert(ptr); |
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| 193 | return ptr->aspect_type; |
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| 194 | } |
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| 195 | |
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| 196 | /** |
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| 197 | * Returns the linked part of a linking aspect. |
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| 198 | * For instance, if the aspect is A.r1.r2, this returns r1. |
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| 199 | */ |
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| 200 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
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| 201 | { |
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| 202 | assert(ptr); |
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| 203 | return ptr->linked_role_name; |
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| 204 | } |
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| 205 | |
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| 206 | /* A.r1 without params or constraints, callee needs to free it*/ |
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| 207 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
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| 208 | { |
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| 209 | assert(ptr); |
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| 210 | assert(ptr->principal_name); |
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| 211 | assert(ptr->linked_role_name); |
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| 212 | char *tmp=NULL; |
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| 213 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
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| 214 | return tmp; |
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| 215 | } |
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| 216 | |
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| 217 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
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| 218 | { |
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| 219 | assert(ptr); |
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| 220 | return ptr->linked_role_params; |
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| 221 | } |
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| 222 | |
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| 223 | /** |
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| 224 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
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| 225 | * If the aspect is A.r1.r2 then return r2. |
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| 226 | */ |
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| 227 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
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| 228 | assert(ptr); |
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| 229 | return ptr->aspect_name; |
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| 230 | } |
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| 231 | |
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| 232 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
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| 233 | { |
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| 234 | assert(ptr); |
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| 235 | return ptr->aspect_params; |
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| 236 | } |
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| 237 | |
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| 238 | /** |
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| 239 | * Returns the principal part of an aspect. The stuff before the first dot. |
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| 240 | */ |
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| 241 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
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| 242 | { |
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| 243 | assert(ptr); |
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[5110d42] | 244 | if(USE("ABAC_CN") && !ABAC_IN_QUERY) |
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[8bd77b5] | 245 | return abac_cn_with_sha(ptr->principal_name); |
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[d037f54] | 246 | if(ABAC_IN_PROLOG) { |
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| 247 | return ptr->principal_name_p; |
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| 248 | } else return ptr->principal_name; |
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[8bd77b5] | 249 | } |
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| 250 | |
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| 251 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
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| 252 | { |
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| 253 | assert(ptr); |
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[d037f54] | 254 | if(ABAC_IN_PROLOG) |
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| 255 | return ptr->principal_name_p; |
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[8bd77b5] | 256 | return ptr->principal_name; |
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| 257 | } |
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| 258 | |
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[13c9479] | 259 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
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| 260 | { |
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| 261 | assert(ptr); |
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| 262 | return abac_idtype_with_sha(ptr->principal_name); |
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| 263 | } |
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| 264 | |
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[8bd77b5] | 265 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
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| 266 | { |
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| 267 | assert(ptr); |
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| 268 | return abac_cn_with_sha(ptr->principal_name); |
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| 269 | } |
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| 270 | |
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[440ba20] | 271 | abac_term_t *abac_aspect_object_term(abac_aspect_t *ptr) |
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| 272 | { |
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| 273 | return ptr->principal_object; |
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| 274 | } |
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| 275 | |
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[8bd77b5] | 276 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
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| 277 | { |
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| 278 | assert(ptr); |
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| 279 | assert(ptr->is_object); |
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| 280 | abac_term_t *obj=ptr->principal_object; |
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| 281 | char *tmp=abac_term_name(obj); |
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| 282 | return abac_term_name(obj); |
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| 283 | } |
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| 284 | |
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| 285 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
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| 286 | { |
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| 287 | assert(ptr); |
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| 288 | assert(ptr->is_object); |
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| 289 | abac_term_t *obj=ptr->principal_object; |
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| 290 | char *tmp=abac_term_type_name(obj); |
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| 291 | return tmp; |
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| 292 | } |
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| 293 | |
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| 294 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
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| 295 | { |
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| 296 | assert(ptr != NULL); |
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| 297 | assert(ptr->is_object); |
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| 298 | abac_term_t *obj=ptr->principal_object; |
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| 299 | return abac_term_constraint(obj); |
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| 300 | } |
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| 301 | |
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[440ba20] | 302 | char* abac_aspect_get_issuer_keytype(abac_aspect_t *ptr) |
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| 303 | { |
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| 304 | abac_id_t *issuer_id; |
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| 305 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 306 | if(principalname) { |
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| 307 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 308 | if(id_cred) { |
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| 309 | issuer_id=abac_id_credential_id(id_cred); |
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| 310 | return abac_id_keyid(issuer_id); |
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| 311 | } |
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| 312 | } |
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| 313 | return NULL; |
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| 314 | } |
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| 315 | |
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| 316 | int abac_aspect_get_issuer_idtype(abac_aspect_t *ptr) |
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| 317 | { |
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| 318 | abac_id_t *issuer_id; |
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| 319 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 320 | if(principalname) { |
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| 321 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 322 | if(id_cred) { |
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| 323 | issuer_id=abac_id_credential_id(id_cred); |
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| 324 | return abac_id_idtype(issuer_id); |
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| 325 | } |
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| 326 | } |
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| 327 | return 0; |
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| 328 | } |
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| 329 | |
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[8bd77b5] | 330 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
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| 331 | { |
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| 332 | abac_id_t *issuer_id; |
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| 333 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 334 | if(principalname) { |
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| 335 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 336 | if(id_cred) |
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| 337 | issuer_id=abac_id_credential_id(id_cred); |
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| 338 | } |
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| 339 | return issuer_id; |
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| 340 | } |
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| 341 | /** |
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| 342 | * Increase a aspect's reference count. |
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| 343 | */ |
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| 344 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
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| 345 | { |
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| 346 | assert(ptr != NULL); |
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| 347 | ++ptr->refcount; |
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| 348 | return ptr; |
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| 349 | } |
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| 350 | |
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| 351 | /** |
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| 352 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
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| 353 | */ |
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| 354 | void abac_aspect_free(abac_aspect_t *ptr) { |
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| 355 | |
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[5110d42] | 356 | if(debug) { |
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| 357 | if(ptr->aspect_name) |
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| 358 | printf("DEBUG:trying to freeing an aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
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| 359 | else |
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| 360 | printf("DEBUG:trying to freeing an aspect %d(M:%d)\n",(int)ptr,ptr->refcount); |
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| 361 | |
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| 362 | } |
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[8bd77b5] | 363 | |
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| 364 | assert(ptr); |
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| 365 | |
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| 366 | --ptr->refcount; |
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| 367 | if (ptr->refcount > 0) |
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| 368 | return; |
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| 369 | |
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[5110d42] | 370 | if(debug) { |
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| 371 | if(ptr->aspect_name) |
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| 372 | printf("DEBUG:freeing this aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
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| 373 | else printf("DEBUG:freeing this aspect %d(M:%d)\n",(int)ptr, ptr->refcount); |
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| 374 | } |
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| 375 | |
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[8bd77b5] | 376 | if(ptr->principal_name) free(ptr->principal_name); |
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[d037f54] | 377 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
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[8bd77b5] | 378 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
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| 379 | if(ptr->aspect_name) free(ptr->aspect_name); |
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[5110d42] | 380 | if(debug) printf("DEBUG:here\n"); |
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[8bd77b5] | 381 | |
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| 382 | if(ptr->type_string) free(ptr->type_string); |
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| 383 | |
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| 384 | if (ptr->aspect_params != NULL) { |
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| 385 | abac_param_list_free(ptr->aspect_params); |
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| 386 | } |
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| 387 | |
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| 388 | if (ptr->linked_role_params != NULL) { |
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| 389 | abac_param_list_free(ptr->linked_role_params); |
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| 390 | } |
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| 391 | |
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| 392 | if (ptr->prereqs != NULL) { |
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| 393 | abac_aspect_t *cur; |
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| 394 | abac_list_foreach(ptr->prereqs, cur, |
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| 395 | abac_aspect_free(cur); |
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| 396 | ); |
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| 397 | abac_list_free(ptr->prereqs); |
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| 398 | } |
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| 399 | |
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| 400 | free(ptr); |
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[5110d42] | 401 | if(debug) printf("DEBUG:done\n"); |
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[8bd77b5] | 402 | } |
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| 403 | |
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| 404 | /**********************************************************************/ |
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| 405 | |
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| 406 | abac_aspect_t *abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
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| 407 | { |
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| 408 | if(ptr->aspect_params == NULL) { |
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| 409 | ptr->aspect_params=abac_param_list_new(param); |
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| 410 | } else { |
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| 411 | abac_param_list_add_term(ptr->aspect_params, param); |
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| 412 | } |
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| 413 | return ptr; |
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| 414 | } |
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| 415 | |
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| 416 | abac_aspect_t *abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
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| 417 | { |
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| 418 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
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| 419 | return ptr; |
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| 420 | } |
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| 421 | |
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| 422 | abac_aspect_t *abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
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| 423 | { |
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| 424 | if(ptr->linked_role_params == NULL) { |
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| 425 | ptr->linked_role_params=abac_param_list_new(param); |
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| 426 | } else { |
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| 427 | abac_param_list_add_term(ptr->linked_role_params, param); |
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| 428 | } |
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| 429 | return ptr; |
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| 430 | } |
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| 431 | |
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| 432 | |
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| 433 | /**********************************************************************/ |
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| 434 | |
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| 435 | /** |
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| 436 | * Create a new principal and initialize it. |
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| 437 | * always with the proper SHA string |
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| 438 | */ |
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| 439 | static abac_aspect_t *_abac_aspect_init() |
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| 440 | { |
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| 441 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
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| 442 | |
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| 443 | ptr->is_object=0; |
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| 444 | ptr->principal_name = NULL; |
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[d037f54] | 445 | ptr->principal_name_p = NULL; |
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[8bd77b5] | 446 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
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| 447 | |
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| 448 | ptr->aspect_name = NULL; |
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| 449 | ptr->aspect_params = NULL; |
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| 450 | |
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| 451 | ptr->linked_role_name = NULL; |
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| 452 | ptr->linked_role_params = NULL; |
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| 453 | |
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| 454 | ptr->type_string=NULL; |
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| 455 | |
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| 456 | ptr->prereqs = NULL; |
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| 457 | ptr->refcount = 1; |
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| 458 | } |
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| 459 | |
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| 460 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
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| 461 | { |
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| 462 | assert(principal_name != NULL); |
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| 463 | |
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| 464 | if (strlen(principal_name) == 0) |
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| 465 | return NULL; |
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| 466 | |
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[ed3dc05] | 467 | /* XXX currently, it might be good if the principal_name is used o |
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| 468 | lookup the hashed id table and somehow link to the ID that it belongs |
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| 469 | too, currently, we check it later.. */ |
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[8bd77b5] | 470 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 471 | ptr->aspect_type=type; |
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| 472 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 473 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 474 | if(type==e_ASPECTTYPE_ROLE) |
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| 475 | ptr->type_string=abac_xstrdup("role"); |
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| 476 | if(type==e_ASPECTTYPE_OSET) |
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| 477 | ptr->type_string=abac_xstrdup("oset"); |
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| 478 | return ptr; |
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| 479 | } |
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| 480 | |
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| 481 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
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| 482 | { |
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| 483 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
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| 484 | } |
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| 485 | |
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| 486 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
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| 487 | { |
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[d037f54] | 488 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
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[8bd77b5] | 489 | } |
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| 490 | |
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| 491 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
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| 492 | { |
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| 493 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
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| 494 | } |
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| 495 | |
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| 496 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
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| 497 | { |
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[d037f54] | 498 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
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[8bd77b5] | 499 | } |
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| 500 | |
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| 501 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
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| 502 | { |
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| 503 | assert(object != NULL); |
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| 504 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 505 | ptr->aspect_type=type; |
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| 506 | ptr->is_object =1; |
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| 507 | ptr->principal_object = object; |
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| 508 | /* can not be role type */ |
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| 509 | if(type==e_ASPECTTYPE_OSET) |
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| 510 | ptr->type_string=abac_xstrdup("oset"); |
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| 511 | |
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| 512 | return ptr; |
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| 513 | } |
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| 514 | |
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| 515 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
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| 516 | { |
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| 517 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
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| 518 | } |
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| 519 | |
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[5110d42] | 520 | abac_aspect_t *abac_aspect_oset_object_create(abac_term_t *object) |
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| 521 | { |
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| 522 | return abac_aspect_object_new(e_ASPECTTYPE_OSET,object); |
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| 523 | } |
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[8bd77b5] | 524 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
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| 525 | { |
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| 526 | assert(principal_name != NULL); |
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| 527 | assert(aspect_name != NULL); |
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| 528 | |
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| 529 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
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| 530 | return NULL; |
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| 531 | |
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| 532 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 533 | |
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| 534 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 535 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 536 | ptr->aspect_type=type; |
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| 537 | |
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| 538 | ptr->aspect_name = abac_xstrdup(aspect_name); |
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| 539 | |
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| 540 | if(type==e_ASPECTTYPE_OSET) |
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| 541 | ptr->type_string= abac_xstrdup("oset"); |
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| 542 | else |
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| 543 | ptr->type_string= abac_xstrdup("role"); |
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| 544 | |
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| 545 | if(debug) |
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| 546 | printf("DEBUG:adding a new aspect (%s) to principal (%s)\n", |
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| 547 | ptr->aspect_name, ptr->principal_name); |
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| 548 | return ptr; |
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| 549 | } |
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| 550 | |
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| 551 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
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| 552 | { |
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| 553 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
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| 554 | } |
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| 555 | |
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| 556 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
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| 557 | { |
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[d037f54] | 558 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
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[8bd77b5] | 559 | } |
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| 560 | |
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| 561 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
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| 562 | { |
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| 563 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
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| 564 | } |
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| 565 | |
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| 566 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
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| 567 | { |
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[d037f54] | 568 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
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[8bd77b5] | 569 | } |
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| 570 | |
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| 571 | /** |
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| 572 | * Created a new linking role/oset and initialize it. |
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| 573 | */ |
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| 574 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
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| 575 | char *linked_role_name, char *aspect_name) |
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| 576 | { |
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| 577 | assert(principal_name != NULL); |
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| 578 | assert(linked_role_name != NULL); |
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| 579 | assert(aspect_name != NULL); |
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| 580 | |
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| 581 | if (strlen(principal_name) == 0 || |
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| 582 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
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| 583 | return NULL; |
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| 584 | |
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| 585 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 586 | |
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| 587 | ptr->is_object=0; |
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| 588 | ptr->aspect_type=type; |
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| 589 | ptr->principal_name = strdup(principal_name); |
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[d037f54] | 590 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 591 | |
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| 592 | ptr->linked_role_name = strdup(linked_role_name); |
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| 593 | ptr->aspect_name = strdup(aspect_name); |
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| 594 | ptr->aspect_params = NULL; |
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| 595 | |
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| 596 | if(debug) |
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| 597 | printf("DEBUG:adding a new linked (%s) to oset(%s) for principal(%s)\n", |
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| 598 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
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| 599 | |
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| 600 | if(type==e_ASPECTTYPE_OSET) |
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| 601 | ptr->type_string=abac_xstrdup("oset"); |
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| 602 | else ptr->type_string=abac_xstrdup("role"); |
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| 603 | |
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| 604 | return ptr; |
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| 605 | } |
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| 606 | |
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| 607 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
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| 608 | char *role_name) |
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| 609 | { |
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| 610 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
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| 611 | principal_name, linked_role_name, role_name); |
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| 612 | } |
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| 613 | |
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| 614 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
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| 615 | char *oset_name) |
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| 616 | { |
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| 617 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
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| 618 | principal_name, linked_role_name, oset_name); |
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| 619 | } |
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| 620 | |
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| 621 | /** |
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| 622 | * Create an intersection oset/role. |
---|
| 623 | */ |
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| 624 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
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| 625 | { |
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| 626 | abac_aspect_t *ptr = _abac_aspect_init(); |
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| 627 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
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| 628 | abac_list_t *prereqs = abac_list_new(); |
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| 629 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
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| 630 | ptr->prereqs = prereqs; |
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| 631 | ptr->refcount = 1; |
---|
| 632 | return ptr; |
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| 633 | } |
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| 634 | |
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| 635 | /*******************************************************************/ |
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| 636 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
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| 637 | { |
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| 638 | assert(ptr != NULL); |
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| 639 | char *tmp=NULL; |
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| 640 | if (ptr->prereqs != NULL) { |
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| 641 | abac_aspect_t *cur; |
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| 642 | abac_list_foreach(ptr->prereqs, cur, |
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| 643 | char *ntmp=NULL; |
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| 644 | if(typed) |
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| 645 | ntmp=abac_aspect_typed_string_with_condition(cur); |
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| 646 | else |
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| 647 | ntmp=abac_aspect_string_with_condition(cur); |
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| 648 | if(tmp==NULL) { |
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| 649 | asprintf(&tmp,"%s",ntmp); |
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| 650 | } else { |
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| 651 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
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| 652 | } |
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| 653 | ); |
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| 654 | } |
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| 655 | return tmp; |
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| 656 | } |
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| 657 | |
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| 658 | /** |
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| 659 | * Returns the string representation of the role/oset. |
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| 660 | * principal.osetname(params..) |
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| 661 | * principal.rolename(params..) |
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| 662 | */ |
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| 663 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
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| 664 | { |
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| 665 | assert(ptr != NULL); |
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| 666 | |
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| 667 | if(abac_aspect_is_intersection(ptr)) { |
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| 668 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
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| 669 | } |
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| 670 | |
---|
| 671 | char *tmp=NULL; |
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| 672 | char *principal_name; |
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| 673 | if(abac_aspect_is_object(ptr)) |
---|
| 674 | principal_name = abac_aspect_object_name(ptr); |
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| 675 | else principal_name = abac_aspect_principal_name(ptr); |
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| 676 | char *aspect_name= ptr->aspect_name; |
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| 677 | char *linked_role_name = ptr->linked_role_name; |
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| 678 | char *params_string=NULL; |
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| 679 | char *linked_params_string=NULL; |
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| 680 | |
---|
| 681 | int len = 0; |
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| 682 | if(principal_name) |
---|
| 683 | len=len+strlen(principal_name)+1; |
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| 684 | if(aspect_name) |
---|
| 685 | len = len+strlen(aspect_name)+1; |
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| 686 | if(linked_role_name) |
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| 687 | len = len+strlen(linked_role_name)+1; |
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| 688 | |
---|
| 689 | if(ptr->aspect_params) { |
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| 690 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
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| 691 | len = len+strlen(params_string)+3; |
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| 692 | } |
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| 693 | if(ptr->linked_role_params) { |
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| 694 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
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| 695 | len = len+strlen(linked_params_string)+3; |
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| 696 | } |
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| 697 | |
---|
| 698 | /* principal */ |
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| 699 | /* principal.oset/role */ |
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| 700 | /* principal.oset/role(params_string) */ |
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| 701 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
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| 702 | tmp = abac_xmalloc(len); |
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| 703 | |
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| 704 | if(principal_name) |
---|
| 705 | sprintf(tmp,"%s",principal_name); |
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| 706 | |
---|
| 707 | if(linked_role_name) { |
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| 708 | strcat(tmp,"."); |
---|
| 709 | strcat(tmp,linked_role_name); |
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| 710 | } |
---|
| 711 | if(linked_params_string) { |
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| 712 | strcat(tmp,"("); |
---|
| 713 | strcat(tmp,linked_params_string); |
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| 714 | strcat(tmp,")"); |
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| 715 | } |
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| 716 | if(aspect_name) { |
---|
| 717 | strcat(tmp,"."); |
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| 718 | strcat(tmp,aspect_name); |
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| 719 | } |
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| 720 | if(params_string) { |
---|
| 721 | strcat(tmp,"("); |
---|
| 722 | strcat(tmp,params_string); |
---|
| 723 | strcat(tmp,")"); |
---|
| 724 | } |
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| 725 | |
---|
| 726 | if(linked_params_string) free(linked_params_string); |
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| 727 | if(params_string) free(params_string); |
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| 728 | return tmp; |
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| 729 | } |
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| 730 | |
---|
| 731 | char *abac_aspect_string(abac_aspect_t *ptr) { |
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| 732 | return abac_aspect_string_with_condition(ptr); |
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| 733 | } |
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| 734 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
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| 735 | return abac_aspect_typed_string_with_condition(ptr); |
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| 736 | } |
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| 737 | |
---|
| 738 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 739 | { |
---|
| 740 | char *string=abac_aspect_string_with_condition(ptr); |
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| 741 | if(fp==NULL) |
---|
| 742 | printf("%s ",string); |
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| 743 | else fprintf(fp,"%s ",string); |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
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| 747 | assert(ptr != NULL); |
---|
| 748 | if(ptr->aspect_params) { |
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| 749 | return abac_param_list_string_with_condition(ptr->aspect_params); |
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| 750 | } |
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| 751 | return NULL; |
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| 752 | } |
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| 753 | |
---|
| 754 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 755 | assert(ptr != NULL); |
---|
| 756 | if(ptr->aspect_params) { |
---|
| 757 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
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| 758 | } |
---|
| 759 | return NULL; |
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| 760 | } |
---|
| 761 | |
---|
| 762 | /** |
---|
| 763 | * Returns the typed string representation of the role/oset. |
---|
| 764 | */ |
---|
| 765 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 766 | { |
---|
| 767 | assert(ptr != NULL); |
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| 768 | |
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| 769 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 770 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
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| 771 | } |
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| 772 | |
---|
| 773 | char *tmp=NULL, *final=NULL; |
---|
| 774 | char *principal_name; |
---|
| 775 | char *principal_name_type=NULL; |
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| 776 | if(abac_aspect_is_object(ptr)) { |
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| 777 | principal_name = abac_aspect_object_name(ptr); |
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| 778 | principal_name_type = abac_aspect_object_type(ptr); |
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| 779 | } else { |
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| 780 | principal_name = abac_aspect_principal_name(ptr); |
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[13c9479] | 781 | principal_name_type=abac_aspect_principal_type(ptr); |
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[8bd77b5] | 782 | if(debug) { |
---|
| 783 | printf("aspect's typed_string (%s)(%s)\n", principal_name_type, principal_name); |
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| 784 | } |
---|
| 785 | } |
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| 786 | char *aspect_name=abac_aspect_aspect_name(ptr); |
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| 787 | char *aspect_name_type=abac_aspect_type_string(ptr); |
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| 788 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 789 | char *params_string=NULL; |
---|
| 790 | char *linked_params_string=NULL; |
---|
| 791 | |
---|
| 792 | if(ptr->aspect_params) { |
---|
| 793 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 794 | } |
---|
| 795 | if(ptr->linked_role_params) { |
---|
| 796 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 797 | } |
---|
| 798 | |
---|
| 799 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 800 | if(linked_role_name) { |
---|
| 801 | tmp=final; |
---|
| 802 | final=NULL; |
---|
| 803 | asprintf(&final,".role:%s",tmp,linked_role_name); |
---|
| 804 | free(tmp); |
---|
| 805 | } |
---|
| 806 | if(linked_params_string) { |
---|
| 807 | tmp=final; |
---|
| 808 | final=NULL; |
---|
| 809 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 810 | free(tmp); |
---|
| 811 | } |
---|
| 812 | if(aspect_name) { |
---|
| 813 | tmp=final; |
---|
| 814 | final=NULL; |
---|
| 815 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 816 | free(tmp); |
---|
| 817 | } |
---|
| 818 | if(params_string) { |
---|
| 819 | tmp=final; |
---|
| 820 | final=NULL; |
---|
| 821 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 822 | free(tmp); |
---|
| 823 | } |
---|
| 824 | |
---|
| 825 | if(linked_params_string) free(linked_params_string); |
---|
| 826 | if(params_string) free(params_string); |
---|
| 827 | return final; |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | /** |
---|
| 831 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 832 | */ |
---|
| 833 | #define ROLE_SEPARATOR " <- " |
---|
| 834 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 835 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 836 | int head_len = strlen(head); |
---|
| 837 | |
---|
| 838 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 839 | int tail_len = strlen(tail); |
---|
| 840 | |
---|
| 841 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 842 | |
---|
| 843 | // "head <- tail" |
---|
| 844 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 845 | memcpy(ret, head, head_len); |
---|
| 846 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 847 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 848 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 849 | |
---|
| 850 | return ret; |
---|
| 851 | } |
---|