[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_internal.h" |
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| 13 | |
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| 14 | static int debug=0; |
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| 15 | /* |
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| 16 | A.role <- B |
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| 17 | A.role <- B.role |
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| 18 | A.role <- B.role.role |
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| 19 | |
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| 20 | A.oset <- B |
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| 21 | A.oset <- Obj |
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| 22 | A.oset <- B.oset |
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| 23 | A.oset <- B.role.oset |
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| 24 | */ |
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| 25 | |
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| 26 | /* can store either a role or oset */ |
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| 27 | struct _abac_aspect_t { |
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| 28 | int aspect_type; |
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| 29 | int is_object; |
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| 30 | |
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| 31 | char *principal_name; |
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[d037f54] | 32 | char *principal_name_p; // pPrincipal_name |
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[8bd77b5] | 33 | abac_term_t *principal_object; |
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| 34 | |
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| 35 | char *linked_role_name; |
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| 36 | abac_param_list_t *linked_role_params; |
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| 37 | |
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| 38 | char *aspect_name; |
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| 39 | abac_param_list_t *aspect_params; |
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| 40 | |
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| 41 | char *type_string; // "oset" or "role" |
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| 42 | |
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| 43 | abac_list_t *prereqs; |
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| 44 | int refcount; |
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| 45 | }; |
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| 46 | |
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| 47 | /**************************************************************/ |
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[440ba20] | 48 | void abac_aspect_dump(abac_aspect_t *ptr, char* offset) |
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| 49 | { |
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| 50 | char *tmp=NULL; |
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| 51 | asprintf(&tmp," %s",offset); |
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| 52 | if(ptr->prereqs != 0) { |
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| 53 | abac_aspect_t *cur; |
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| 54 | abac_list_foreach(ptr->prereqs, cur, |
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| 55 | if(cur) |
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| 56 | abac_aspect_dump(cur, tmp); |
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| 57 | ); |
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| 58 | return; |
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| 59 | } |
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| 60 | |
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| 61 | printf("\n..... an aspect .....\n"); |
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| 62 | printf("%s aspect_type: %d(%s)\n", offset, ptr->aspect_type, abac_aspect_type_string(ptr)); |
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| 63 | printf("%s is_object: %d\n", offset, ptr->is_object); |
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| 64 | printf("%s principal_name: %s\n", offset, ptr->principal_name); |
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| 65 | if(ptr->principal_name_p) |
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| 66 | printf("%s principal_name_p: %s\n", offset, ptr->principal_name_p); |
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| 67 | else printf("%s principal_name_p: --\n", offset); |
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| 68 | if(ptr->principal_object) |
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| 69 | abac_term_dump(ptr->principal_object, tmp); |
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| 70 | else ("%s principal_object: --\n", offset); |
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| 71 | if(ptr->linked_role_name) |
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| 72 | printf("%s linked_role_name: %s\n", offset, ptr->linked_role_name); |
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| 73 | else printf("%s linked_role_name: --\n", offset); |
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| 74 | if(ptr->linked_role_params) |
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| 75 | abac_param_dump(ptr->linked_role_params, tmp); |
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| 76 | else printf("%s linked_role_params: --\n", offset); |
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| 77 | if(ptr->aspect_name) |
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| 78 | printf("%s aspect_name: %s\n", offset, ptr->aspect_name); |
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| 79 | else printf("%s aspect_name: --\n", offset); |
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| 80 | if(ptr->aspect_params) |
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| 81 | abac_param_dump(ptr->aspect_params, tmp); |
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| 82 | else printf("%s aspect_params: --\n", offset); |
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| 83 | if(ptr->type_string) |
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| 84 | printf("%s type_string:- %s\n", offset, ptr->type_string); |
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| 85 | else printf("%s type_string: --\n", offset); |
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| 86 | printf("%s refcount:- %d\n", offset, ptr->refcount); |
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| 87 | printf(".................................."); |
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| 88 | free(tmp); |
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| 89 | } |
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| 90 | |
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[8bd77b5] | 91 | bool abac_aspect_is_oset(abac_aspect_t *ptr) |
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| 92 | { |
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| 93 | assert(ptr); |
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| 94 | if(ptr->aspect_type==e_ASPECTTYPE_OSET) |
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| 95 | return 1; |
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| 96 | return 0; |
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| 97 | } |
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| 98 | |
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| 99 | |
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| 100 | bool abac_aspect_is_role(abac_aspect_t *ptr) |
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| 101 | { |
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| 102 | assert(ptr); |
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| 103 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
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| 104 | return 1; |
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| 105 | return 0; |
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| 106 | } |
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| 107 | |
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| 108 | bool abac_aspect_is_intersecting(abac_aspect_t *ptr) |
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| 109 | { |
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| 110 | assert(ptr); |
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| 111 | if(ptr->aspect_type==e_ASPECTTYPE_INTERSECTING) |
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| 112 | return 1; |
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| 113 | return 0; |
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| 114 | } |
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| 115 | |
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| 116 | /* A.role->B or A.oset->B */ |
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| 117 | bool abac_aspect_is_principal(abac_aspect_t *ptr) { |
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| 118 | assert(ptr != NULL); |
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| 119 | return ptr->is_object == 0 && |
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| 120 | ptr->aspect_name == NULL && |
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| 121 | ptr->linked_role_name == NULL && |
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| 122 | ptr->prereqs == NULL; |
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| 123 | } |
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| 124 | |
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| 125 | /* A.oset->O */ |
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| 126 | bool abac_aspect_is_object(abac_aspect_t *ptr) |
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| 127 | { |
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| 128 | assert(ptr); |
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| 129 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
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| 130 | return ptr->is_object; |
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| 131 | return 0; |
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| 132 | } |
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| 133 | |
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| 134 | /* A.role->B.role.role or A.oset->B.role.oset */ |
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| 135 | bool abac_aspect_is_linking(abac_aspect_t *ptr) |
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| 136 | { |
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| 137 | assert(ptr); |
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| 138 | return ptr->linked_role_name != NULL; |
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| 139 | } |
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| 140 | |
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| 141 | /** |
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| 142 | * True if an aspect is an intersection. |
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| 143 | */ |
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| 144 | bool abac_aspect_is_intersection(abac_aspect_t *ptr) |
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| 145 | { |
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| 146 | assert(ptr); |
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| 147 | return ptr->prereqs != NULL; |
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| 148 | } |
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| 149 | |
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| 150 | /** |
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| 151 | * return the type that is common to all the intersecting aspects |
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| 152 | */ |
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| 153 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
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| 154 | { |
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| 155 | assert(ptr); |
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| 156 | assert(ptr->prereqs); |
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| 157 | abac_aspect_t *cur; |
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| 158 | int first=1; |
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| 159 | int type; |
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| 160 | abac_list_foreach(ptr->prereqs, cur, |
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| 161 | if(first) { |
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| 162 | type=abac_aspect_aspect_type(cur); |
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| 163 | first=0; |
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| 164 | } else { |
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| 165 | if(abac_aspect_aspect_type(cur) != type) |
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| 166 | errx(1,"Intersecting tails are not of the same type"); |
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| 167 | } |
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| 168 | ); |
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| 169 | return type; |
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| 170 | } |
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| 171 | |
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| 172 | /** |
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| 173 | * Returns the prereqs of an intersection. |
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| 174 | */ |
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| 175 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
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| 176 | { |
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| 177 | assert(ptr); |
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| 178 | return ptr->prereqs; |
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| 179 | } |
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| 180 | |
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| 181 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
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| 182 | { |
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| 183 | assert(ptr); |
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| 184 | return ptr->type_string; |
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| 185 | } |
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| 186 | |
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| 187 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
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| 188 | { |
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| 189 | assert(ptr); |
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| 190 | return ptr->aspect_type; |
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| 191 | } |
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| 192 | |
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| 193 | /** |
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| 194 | * Returns the linked part of a linking aspect. |
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| 195 | * For instance, if the aspect is A.r1.r2, this returns r1. |
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| 196 | */ |
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| 197 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
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| 198 | { |
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| 199 | assert(ptr); |
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| 200 | return ptr->linked_role_name; |
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| 201 | } |
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| 202 | |
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| 203 | /* A.r1 without params or constraints, callee needs to free it*/ |
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| 204 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
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| 205 | { |
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| 206 | assert(ptr); |
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| 207 | assert(ptr->principal_name); |
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| 208 | assert(ptr->linked_role_name); |
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| 209 | char *tmp=NULL; |
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| 210 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
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| 211 | return tmp; |
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| 212 | } |
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| 213 | |
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| 214 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
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| 215 | { |
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| 216 | assert(ptr); |
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| 217 | return ptr->linked_role_params; |
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| 218 | } |
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| 219 | |
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| 220 | /** |
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| 221 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
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| 222 | * If the aspect is A.r1.r2 then return r2. |
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| 223 | */ |
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| 224 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
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| 225 | assert(ptr); |
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| 226 | return ptr->aspect_name; |
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| 227 | } |
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| 228 | |
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| 229 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
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| 230 | { |
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| 231 | assert(ptr); |
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| 232 | return ptr->aspect_params; |
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| 233 | } |
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| 234 | |
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| 235 | /** |
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| 236 | * Returns the principal part of an aspect. The stuff before the first dot. |
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| 237 | */ |
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| 238 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
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| 239 | { |
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| 240 | assert(ptr); |
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[5d06689] | 241 | if(USE("ABAC_CN")) |
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[8bd77b5] | 242 | return abac_cn_with_sha(ptr->principal_name); |
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[d037f54] | 243 | if(ABAC_IN_PROLOG) { |
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| 244 | return ptr->principal_name_p; |
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| 245 | } else return ptr->principal_name; |
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[8bd77b5] | 246 | } |
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| 247 | |
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| 248 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
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| 249 | { |
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| 250 | assert(ptr); |
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[d037f54] | 251 | if(ABAC_IN_PROLOG) |
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| 252 | return ptr->principal_name_p; |
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[8bd77b5] | 253 | return ptr->principal_name; |
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| 254 | } |
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| 255 | |
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[13c9479] | 256 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
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| 257 | { |
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| 258 | assert(ptr); |
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| 259 | return abac_idtype_with_sha(ptr->principal_name); |
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| 260 | } |
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| 261 | |
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[8bd77b5] | 262 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
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| 263 | { |
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| 264 | assert(ptr); |
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| 265 | return abac_cn_with_sha(ptr->principal_name); |
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| 266 | } |
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| 267 | |
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[440ba20] | 268 | abac_term_t *abac_aspect_object_term(abac_aspect_t *ptr) |
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| 269 | { |
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| 270 | return ptr->principal_object; |
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| 271 | } |
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| 272 | |
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[8bd77b5] | 273 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
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| 274 | { |
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| 275 | assert(ptr); |
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| 276 | assert(ptr->is_object); |
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| 277 | abac_term_t *obj=ptr->principal_object; |
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| 278 | char *tmp=abac_term_name(obj); |
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| 279 | return abac_term_name(obj); |
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| 280 | } |
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| 281 | |
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| 282 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
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| 283 | { |
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| 284 | assert(ptr); |
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| 285 | assert(ptr->is_object); |
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| 286 | abac_term_t *obj=ptr->principal_object; |
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| 287 | char *tmp=abac_term_type_name(obj); |
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| 288 | return tmp; |
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| 289 | } |
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| 290 | |
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| 291 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
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| 292 | { |
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| 293 | assert(ptr != NULL); |
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| 294 | assert(ptr->is_object); |
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| 295 | abac_term_t *obj=ptr->principal_object; |
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| 296 | return abac_term_constraint(obj); |
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| 297 | } |
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| 298 | |
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[440ba20] | 299 | char* abac_aspect_get_issuer_keytype(abac_aspect_t *ptr) |
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| 300 | { |
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| 301 | abac_id_t *issuer_id; |
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| 302 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 303 | if(principalname) { |
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| 304 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 305 | if(id_cred) { |
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| 306 | issuer_id=abac_id_credential_id(id_cred); |
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| 307 | return abac_id_keyid(issuer_id); |
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| 308 | } |
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| 309 | } |
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| 310 | return NULL; |
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| 311 | } |
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| 312 | |
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| 313 | int abac_aspect_get_issuer_idtype(abac_aspect_t *ptr) |
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| 314 | { |
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| 315 | abac_id_t *issuer_id; |
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| 316 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 317 | if(principalname) { |
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| 318 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 319 | if(id_cred) { |
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| 320 | issuer_id=abac_id_credential_id(id_cred); |
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| 321 | return abac_id_idtype(issuer_id); |
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| 322 | } |
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| 323 | } |
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| 324 | return 0; |
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| 325 | } |
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| 326 | |
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[8bd77b5] | 327 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
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| 328 | { |
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| 329 | abac_id_t *issuer_id; |
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| 330 | char *principalname=abac_aspect_principal_principalname(ptr); |
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| 331 | if(principalname) { |
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| 332 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
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| 333 | if(id_cred) |
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| 334 | issuer_id=abac_id_credential_id(id_cred); |
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| 335 | } |
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| 336 | return issuer_id; |
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| 337 | } |
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| 338 | /** |
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| 339 | * Increase a aspect's reference count. |
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| 340 | */ |
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| 341 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
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| 342 | { |
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| 343 | assert(ptr != NULL); |
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| 344 | ++ptr->refcount; |
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| 345 | return ptr; |
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| 346 | } |
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| 347 | |
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| 348 | /** |
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| 349 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
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| 350 | */ |
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| 351 | void abac_aspect_free(abac_aspect_t *ptr) { |
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| 352 | |
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[5110d42] | 353 | if(debug) { |
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| 354 | if(ptr->aspect_name) |
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| 355 | printf("DEBUG:trying to freeing an aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
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| 356 | else |
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| 357 | printf("DEBUG:trying to freeing an aspect %d(M:%d)\n",(int)ptr,ptr->refcount); |
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| 358 | |
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| 359 | } |
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[8bd77b5] | 360 | |
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| 361 | assert(ptr); |
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| 362 | |
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| 363 | --ptr->refcount; |
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| 364 | if (ptr->refcount > 0) |
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| 365 | return; |
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| 366 | |
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[5110d42] | 367 | if(debug) { |
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| 368 | if(ptr->aspect_name) |
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| 369 | printf("DEBUG:freeing this aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
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| 370 | else printf("DEBUG:freeing this aspect %d(M:%d)\n",(int)ptr, ptr->refcount); |
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| 371 | } |
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| 372 | |
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[8bd77b5] | 373 | if(ptr->principal_name) free(ptr->principal_name); |
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[d037f54] | 374 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
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[8bd77b5] | 375 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
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| 376 | if(ptr->aspect_name) free(ptr->aspect_name); |
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[5110d42] | 377 | if(debug) printf("DEBUG:here\n"); |
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[8bd77b5] | 378 | |
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| 379 | if(ptr->type_string) free(ptr->type_string); |
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| 380 | |
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| 381 | if (ptr->aspect_params != NULL) { |
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| 382 | abac_param_list_free(ptr->aspect_params); |
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| 383 | } |
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| 384 | |
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| 385 | if (ptr->linked_role_params != NULL) { |
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| 386 | abac_param_list_free(ptr->linked_role_params); |
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| 387 | } |
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| 388 | |
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| 389 | if (ptr->prereqs != NULL) { |
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| 390 | abac_aspect_t *cur; |
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| 391 | abac_list_foreach(ptr->prereqs, cur, |
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| 392 | abac_aspect_free(cur); |
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| 393 | ); |
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| 394 | abac_list_free(ptr->prereqs); |
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| 395 | } |
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| 396 | |
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| 397 | free(ptr); |
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[5110d42] | 398 | if(debug) printf("DEBUG:done\n"); |
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[8bd77b5] | 399 | } |
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| 400 | |
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| 401 | /**********************************************************************/ |
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| 402 | |
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[5d06689] | 403 | void abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
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[8bd77b5] | 404 | { |
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| 405 | if(ptr->aspect_params == NULL) { |
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| 406 | ptr->aspect_params=abac_param_list_new(param); |
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| 407 | } else { |
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| 408 | abac_param_list_add_term(ptr->aspect_params, param); |
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| 409 | } |
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| 410 | } |
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| 411 | |
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[5d06689] | 412 | void abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
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[8bd77b5] | 413 | { |
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| 414 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
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| 415 | } |
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| 416 | |
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[5d06689] | 417 | void abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
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[8bd77b5] | 418 | { |
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| 419 | if(ptr->linked_role_params == NULL) { |
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| 420 | ptr->linked_role_params=abac_param_list_new(param); |
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| 421 | } else { |
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| 422 | abac_param_list_add_term(ptr->linked_role_params, param); |
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| 423 | } |
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| 424 | } |
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| 425 | |
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| 426 | |
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| 427 | /**********************************************************************/ |
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| 428 | |
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| 429 | /** |
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| 430 | * Create a new principal and initialize it. |
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| 431 | * always with the proper SHA string |
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| 432 | */ |
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| 433 | static abac_aspect_t *_abac_aspect_init() |
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| 434 | { |
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| 435 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
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| 436 | |
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| 437 | ptr->is_object=0; |
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| 438 | ptr->principal_name = NULL; |
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[d037f54] | 439 | ptr->principal_name_p = NULL; |
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[8bd77b5] | 440 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
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| 441 | |
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| 442 | ptr->aspect_name = NULL; |
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| 443 | ptr->aspect_params = NULL; |
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| 444 | |
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| 445 | ptr->linked_role_name = NULL; |
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| 446 | ptr->linked_role_params = NULL; |
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| 447 | |
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| 448 | ptr->type_string=NULL; |
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| 449 | |
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| 450 | ptr->prereqs = NULL; |
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| 451 | ptr->refcount = 1; |
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| 452 | } |
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| 453 | |
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| 454 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
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| 455 | { |
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| 456 | assert(principal_name != NULL); |
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| 457 | |
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| 458 | if (strlen(principal_name) == 0) |
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| 459 | return NULL; |
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| 460 | |
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[ed3dc05] | 461 | /* XXX currently, it might be good if the principal_name is used o |
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| 462 | lookup the hashed id table and somehow link to the ID that it belongs |
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| 463 | too, currently, we check it later.. */ |
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[8bd77b5] | 464 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 465 | ptr->aspect_type=type; |
---|
| 466 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 467 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 468 | if(type==e_ASPECTTYPE_ROLE) |
---|
| 469 | ptr->type_string=abac_xstrdup("role"); |
---|
| 470 | if(type==e_ASPECTTYPE_OSET) |
---|
| 471 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 472 | return ptr; |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
---|
| 476 | { |
---|
| 477 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
---|
| 481 | { |
---|
[d037f54] | 482 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
[8bd77b5] | 483 | } |
---|
| 484 | |
---|
| 485 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
---|
| 486 | { |
---|
| 487 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
| 488 | } |
---|
| 489 | |
---|
| 490 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
---|
| 491 | { |
---|
[d037f54] | 492 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
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[8bd77b5] | 493 | } |
---|
| 494 | |
---|
| 495 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
---|
| 496 | { |
---|
| 497 | assert(object != NULL); |
---|
| 498 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 499 | ptr->aspect_type=type; |
---|
| 500 | ptr->is_object =1; |
---|
| 501 | ptr->principal_object = object; |
---|
| 502 | /* can not be role type */ |
---|
| 503 | if(type==e_ASPECTTYPE_OSET) |
---|
| 504 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 505 | |
---|
| 506 | return ptr; |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
---|
| 510 | { |
---|
| 511 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
---|
| 512 | } |
---|
| 513 | |
---|
[5110d42] | 514 | abac_aspect_t *abac_aspect_oset_object_create(abac_term_t *object) |
---|
| 515 | { |
---|
| 516 | return abac_aspect_object_new(e_ASPECTTYPE_OSET,object); |
---|
| 517 | } |
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[8bd77b5] | 518 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
---|
| 519 | { |
---|
| 520 | assert(principal_name != NULL); |
---|
| 521 | assert(aspect_name != NULL); |
---|
| 522 | |
---|
| 523 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
---|
| 524 | return NULL; |
---|
| 525 | |
---|
| 526 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 527 | |
---|
| 528 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 529 | ptr->principal_name_p = prologIt(principal_name); |
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[8bd77b5] | 530 | ptr->aspect_type=type; |
---|
| 531 | |
---|
| 532 | ptr->aspect_name = abac_xstrdup(aspect_name); |
---|
| 533 | |
---|
| 534 | if(type==e_ASPECTTYPE_OSET) |
---|
| 535 | ptr->type_string= abac_xstrdup("oset"); |
---|
| 536 | else |
---|
| 537 | ptr->type_string= abac_xstrdup("role"); |
---|
| 538 | |
---|
| 539 | if(debug) |
---|
| 540 | printf("DEBUG:adding a new aspect (%s) to principal (%s)\n", |
---|
| 541 | ptr->aspect_name, ptr->principal_name); |
---|
| 542 | return ptr; |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
---|
| 546 | { |
---|
| 547 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
---|
| 551 | { |
---|
[d037f54] | 552 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
---|
[8bd77b5] | 553 | } |
---|
| 554 | |
---|
| 555 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
---|
| 556 | { |
---|
| 557 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
---|
| 561 | { |
---|
[d037f54] | 562 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
---|
[8bd77b5] | 563 | } |
---|
| 564 | |
---|
| 565 | /** |
---|
| 566 | * Created a new linking role/oset and initialize it. |
---|
| 567 | */ |
---|
| 568 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
---|
| 569 | char *linked_role_name, char *aspect_name) |
---|
| 570 | { |
---|
| 571 | assert(principal_name != NULL); |
---|
| 572 | assert(linked_role_name != NULL); |
---|
| 573 | assert(aspect_name != NULL); |
---|
| 574 | |
---|
| 575 | if (strlen(principal_name) == 0 || |
---|
| 576 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
---|
| 577 | return NULL; |
---|
| 578 | |
---|
| 579 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 580 | |
---|
| 581 | ptr->is_object=0; |
---|
| 582 | ptr->aspect_type=type; |
---|
| 583 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 584 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 585 | |
---|
| 586 | ptr->linked_role_name = strdup(linked_role_name); |
---|
| 587 | ptr->aspect_name = strdup(aspect_name); |
---|
| 588 | ptr->aspect_params = NULL; |
---|
| 589 | |
---|
| 590 | if(debug) |
---|
| 591 | printf("DEBUG:adding a new linked (%s) to oset(%s) for principal(%s)\n", |
---|
| 592 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
---|
| 593 | |
---|
| 594 | if(type==e_ASPECTTYPE_OSET) |
---|
| 595 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 596 | else ptr->type_string=abac_xstrdup("role"); |
---|
| 597 | |
---|
| 598 | return ptr; |
---|
| 599 | } |
---|
| 600 | |
---|
| 601 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
---|
| 602 | char *role_name) |
---|
| 603 | { |
---|
| 604 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
---|
| 605 | principal_name, linked_role_name, role_name); |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
---|
| 609 | char *oset_name) |
---|
| 610 | { |
---|
| 611 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
---|
| 612 | principal_name, linked_role_name, oset_name); |
---|
| 613 | } |
---|
| 614 | |
---|
| 615 | /** |
---|
| 616 | * Create an intersection oset/role. |
---|
| 617 | */ |
---|
| 618 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
---|
| 619 | { |
---|
| 620 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 621 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
---|
| 622 | abac_list_t *prereqs = abac_list_new(); |
---|
| 623 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
---|
| 624 | ptr->prereqs = prereqs; |
---|
| 625 | ptr->refcount = 1; |
---|
| 626 | return ptr; |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | /*******************************************************************/ |
---|
| 630 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
---|
| 631 | { |
---|
| 632 | assert(ptr != NULL); |
---|
| 633 | char *tmp=NULL; |
---|
| 634 | if (ptr->prereqs != NULL) { |
---|
| 635 | abac_aspect_t *cur; |
---|
| 636 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 637 | char *ntmp=NULL; |
---|
| 638 | if(typed) |
---|
| 639 | ntmp=abac_aspect_typed_string_with_condition(cur); |
---|
| 640 | else |
---|
| 641 | ntmp=abac_aspect_string_with_condition(cur); |
---|
| 642 | if(tmp==NULL) { |
---|
| 643 | asprintf(&tmp,"%s",ntmp); |
---|
| 644 | } else { |
---|
| 645 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
---|
| 646 | } |
---|
| 647 | ); |
---|
| 648 | } |
---|
| 649 | return tmp; |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | /** |
---|
| 653 | * Returns the string representation of the role/oset. |
---|
| 654 | * principal.osetname(params..) |
---|
| 655 | * principal.rolename(params..) |
---|
| 656 | */ |
---|
| 657 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
---|
| 658 | { |
---|
| 659 | assert(ptr != NULL); |
---|
| 660 | |
---|
| 661 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 662 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
---|
| 663 | } |
---|
| 664 | |
---|
| 665 | char *tmp=NULL; |
---|
| 666 | char *principal_name; |
---|
| 667 | if(abac_aspect_is_object(ptr)) |
---|
| 668 | principal_name = abac_aspect_object_name(ptr); |
---|
| 669 | else principal_name = abac_aspect_principal_name(ptr); |
---|
| 670 | char *aspect_name= ptr->aspect_name; |
---|
| 671 | char *linked_role_name = ptr->linked_role_name; |
---|
| 672 | char *params_string=NULL; |
---|
| 673 | char *linked_params_string=NULL; |
---|
| 674 | |
---|
| 675 | int len = 0; |
---|
| 676 | if(principal_name) |
---|
| 677 | len=len+strlen(principal_name)+1; |
---|
| 678 | if(aspect_name) |
---|
| 679 | len = len+strlen(aspect_name)+1; |
---|
| 680 | if(linked_role_name) |
---|
| 681 | len = len+strlen(linked_role_name)+1; |
---|
| 682 | |
---|
| 683 | if(ptr->aspect_params) { |
---|
| 684 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 685 | len = len+strlen(params_string)+3; |
---|
| 686 | } |
---|
| 687 | if(ptr->linked_role_params) { |
---|
| 688 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
---|
| 689 | len = len+strlen(linked_params_string)+3; |
---|
| 690 | } |
---|
| 691 | |
---|
| 692 | /* principal */ |
---|
| 693 | /* principal.oset/role */ |
---|
| 694 | /* principal.oset/role(params_string) */ |
---|
| 695 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
---|
| 696 | tmp = abac_xmalloc(len); |
---|
| 697 | |
---|
| 698 | if(principal_name) |
---|
| 699 | sprintf(tmp,"%s",principal_name); |
---|
| 700 | |
---|
| 701 | if(linked_role_name) { |
---|
| 702 | strcat(tmp,"."); |
---|
| 703 | strcat(tmp,linked_role_name); |
---|
| 704 | } |
---|
| 705 | if(linked_params_string) { |
---|
| 706 | strcat(tmp,"("); |
---|
| 707 | strcat(tmp,linked_params_string); |
---|
| 708 | strcat(tmp,")"); |
---|
| 709 | } |
---|
| 710 | if(aspect_name) { |
---|
| 711 | strcat(tmp,"."); |
---|
| 712 | strcat(tmp,aspect_name); |
---|
| 713 | } |
---|
| 714 | if(params_string) { |
---|
| 715 | strcat(tmp,"("); |
---|
| 716 | strcat(tmp,params_string); |
---|
| 717 | strcat(tmp,")"); |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | if(linked_params_string) free(linked_params_string); |
---|
| 721 | if(params_string) free(params_string); |
---|
| 722 | return tmp; |
---|
| 723 | } |
---|
| 724 | |
---|
| 725 | char *abac_aspect_string(abac_aspect_t *ptr) { |
---|
| 726 | return abac_aspect_string_with_condition(ptr); |
---|
| 727 | } |
---|
| 728 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
---|
| 729 | return abac_aspect_typed_string_with_condition(ptr); |
---|
| 730 | } |
---|
| 731 | |
---|
| 732 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 733 | { |
---|
| 734 | char *string=abac_aspect_string_with_condition(ptr); |
---|
| 735 | if(fp==NULL) |
---|
| 736 | printf("%s ",string); |
---|
| 737 | else fprintf(fp,"%s ",string); |
---|
| 738 | } |
---|
| 739 | |
---|
| 740 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
---|
| 741 | assert(ptr != NULL); |
---|
| 742 | if(ptr->aspect_params) { |
---|
| 743 | return abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 744 | } |
---|
| 745 | return NULL; |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 749 | assert(ptr != NULL); |
---|
| 750 | if(ptr->aspect_params) { |
---|
| 751 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 752 | } |
---|
| 753 | return NULL; |
---|
| 754 | } |
---|
| 755 | |
---|
| 756 | /** |
---|
| 757 | * Returns the typed string representation of the role/oset. |
---|
| 758 | */ |
---|
| 759 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 760 | { |
---|
| 761 | assert(ptr != NULL); |
---|
| 762 | |
---|
| 763 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 764 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | char *tmp=NULL, *final=NULL; |
---|
| 768 | char *principal_name; |
---|
| 769 | char *principal_name_type=NULL; |
---|
| 770 | if(abac_aspect_is_object(ptr)) { |
---|
| 771 | principal_name = abac_aspect_object_name(ptr); |
---|
| 772 | principal_name_type = abac_aspect_object_type(ptr); |
---|
| 773 | } else { |
---|
| 774 | principal_name = abac_aspect_principal_name(ptr); |
---|
[13c9479] | 775 | principal_name_type=abac_aspect_principal_type(ptr); |
---|
[8bd77b5] | 776 | if(debug) { |
---|
| 777 | printf("aspect's typed_string (%s)(%s)\n", principal_name_type, principal_name); |
---|
| 778 | } |
---|
| 779 | } |
---|
| 780 | char *aspect_name=abac_aspect_aspect_name(ptr); |
---|
| 781 | char *aspect_name_type=abac_aspect_type_string(ptr); |
---|
| 782 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 783 | char *params_string=NULL; |
---|
| 784 | char *linked_params_string=NULL; |
---|
| 785 | |
---|
| 786 | if(ptr->aspect_params) { |
---|
| 787 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 788 | } |
---|
| 789 | if(ptr->linked_role_params) { |
---|
| 790 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 791 | } |
---|
| 792 | |
---|
| 793 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 794 | if(linked_role_name) { |
---|
| 795 | tmp=final; |
---|
| 796 | final=NULL; |
---|
| 797 | asprintf(&final,".role:%s",tmp,linked_role_name); |
---|
| 798 | free(tmp); |
---|
| 799 | } |
---|
| 800 | if(linked_params_string) { |
---|
| 801 | tmp=final; |
---|
| 802 | final=NULL; |
---|
| 803 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 804 | free(tmp); |
---|
| 805 | } |
---|
| 806 | if(aspect_name) { |
---|
| 807 | tmp=final; |
---|
| 808 | final=NULL; |
---|
| 809 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 810 | free(tmp); |
---|
| 811 | } |
---|
| 812 | if(params_string) { |
---|
| 813 | tmp=final; |
---|
| 814 | final=NULL; |
---|
| 815 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 816 | free(tmp); |
---|
| 817 | } |
---|
| 818 | |
---|
| 819 | if(linked_params_string) free(linked_params_string); |
---|
| 820 | if(params_string) free(params_string); |
---|
| 821 | return final; |
---|
| 822 | } |
---|
| 823 | |
---|
| 824 | /** |
---|
| 825 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 826 | */ |
---|
| 827 | #define ROLE_SEPARATOR " <- " |
---|
| 828 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 829 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 830 | int head_len = strlen(head); |
---|
| 831 | |
---|
| 832 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 833 | int tail_len = strlen(tail); |
---|
| 834 | |
---|
| 835 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 836 | |
---|
| 837 | // "head <- tail" |
---|
| 838 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 839 | memcpy(ret, head, head_len); |
---|
| 840 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 841 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 842 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 843 | |
---|
| 844 | return ret; |
---|
| 845 | } |
---|