[8bd77b5] | 1 | |
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| 2 | /*********************************************************** |
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| 3 | abac_term.c |
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| 4 | |
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| 5 | dterm=data term of rt1 |
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| 6 | term is a kind of dterm |
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| 7 | ***********************************************************/ |
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| 8 | #include <assert.h> |
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| 9 | #include <stdlib.h> |
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| 10 | #include <stdio.h> |
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| 11 | #include <string.h> |
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| 12 | #include <ctype.h> |
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| 13 | #include <time.h> |
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| 14 | |
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| 15 | #include "abac_internal.h" |
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| 16 | #include "abac_util.h" |
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| 17 | |
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| 18 | static int debug=0; |
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| 19 | |
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[440ba20] | 20 | /* itemtype is |
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| 21 | e_ITEM_MIN=1, |
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| 22 | e_ITEM_MAX=2, |
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| 23 | e_ITEM_TARGET=3, |
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| 24 | [a..b], [a..], [..b], [a],[a,b],[many a] |
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| 25 | */ |
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| 26 | struct _abac_item_t { |
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| 27 | int itemtype; |
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| 28 | char *val; |
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| 29 | }; |
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| 30 | |
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| 31 | /* condtype is |
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| 32 | e_COND_ROLE = 1, |
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| 33 | e_COND_OSET = 2, |
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| 34 | e_COND_RANGE = 3 |
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| 35 | vartype is one of termtype |
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| 36 | string will contain either |
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| 37 | the range literal (static constraint) |
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| 38 | or |
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| 39 | the oset/role prologized string (dynamic constraint) |
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| 40 | it is set if this condition has been pre-processed for codegen |
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| 41 | of_aspect ptr will only be set only if it is a dynamic |
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| 42 | constraint |
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| 43 | range_list is set only if needed |
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| 44 | */ |
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[8bd77b5] | 45 | struct _abac_condition_t { |
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[440ba20] | 46 | int condtype; |
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| 47 | int vartype; |
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[8bd77b5] | 48 | char *string; |
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[440ba20] | 49 | abac_list_t *range_list; |
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[8bd77b5] | 50 | abac_aspect_t *of_aspect; |
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| 51 | }; |
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| 52 | |
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[d037f54] | 53 | /* termtype_t/name pair for the data terms |
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| 54 | idtype_t/name/p_name pair for the named principal term |
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| 55 | */ |
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[8bd77b5] | 56 | struct _abac_term_t { |
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| 57 | int type; |
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| 58 | char *name; |
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[d037f54] | 59 | int isnamed; |
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| 60 | char *p_name; |
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| 61 | char *cn; //XXX ?? might not need this at all |
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[8bd77b5] | 62 | abac_condition_t *constraint; |
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| 63 | }; |
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| 64 | |
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| 65 | /* new, free, add one of terms */ |
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| 66 | struct _abac_param_list_t { |
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| 67 | abac_list_t *list; |
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| 68 | }; |
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| 69 | |
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| 70 | /******************************************************************/ |
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[440ba20] | 71 | char *abac_condtype_string(int i) |
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[8bd77b5] | 72 | { |
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| 73 | if(i>_condname_cnt) |
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[440ba20] | 74 | panic("abac_condtype_string: went out of range on condname"); |
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[d037f54] | 75 | return (char *) _condname[i]; |
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[8bd77b5] | 76 | } |
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[440ba20] | 77 | char *abac_termtype_string(int i) |
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| 78 | { |
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| 79 | if(i>_termname_cnt) |
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| 80 | panic("abac_termtype_string: went out of range on termname"); |
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| 81 | return (char *) _termname[i]; |
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| 82 | } |
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| 83 | |
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| 84 | int abac_verify_term_type(char *type) { |
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| 85 | int i; |
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[8bd77b5] | 86 | |
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[440ba20] | 87 | if (type == NULL) |
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| 88 | panic("abac_verify_term_type: fail with NULL type\n"); |
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| 89 | |
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| 90 | for (i = 1; i <= _termname_cnt ; i++) |
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| 91 | if(strcmp(type,_termname[i])==0) |
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| 92 | return i; |
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| 93 | |
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| 94 | panic("abac_verify_term_type: fail with unfounded type\n"); |
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| 95 | } |
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| 96 | |
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[ca72963] | 97 | int abac_max_item_type() { return e_ITEM_MAX;} |
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| 98 | int abac_min_item_type() { return e_ITEM_MIN;} |
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| 99 | int abac_target_item_type() { return e_ITEM_TARGET;} |
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| 100 | |
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[440ba20] | 101 | int abac_verify_item_type(char *type) { |
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| 102 | int i; |
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| 103 | |
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| 104 | if (type == NULL) |
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| 105 | panic("abac_verify_item_type: fail with NULL type\n"); |
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| 106 | |
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| 107 | for (i = 1; i <= _itemname_cnt ; i++) |
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| 108 | if(strcmp(type,_itemname[i])==0) |
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| 109 | return i; |
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| 110 | panic("abac_verify_item_type: fail with unfounded type\n"); |
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| 111 | } |
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| 112 | |
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| 113 | char *abac_range_string(abac_list_t *ptr) |
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| 114 | { |
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| 115 | assert(ptr); |
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| 116 | char *tmp=NULL; |
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| 117 | char *min=NULL; |
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| 118 | char *max=NULL; |
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| 119 | char *val=NULL; |
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| 120 | int type; |
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| 121 | |
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| 122 | abac_item_t *cur; |
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| 123 | assert(ptr); |
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| 124 | abac_list_foreach(ptr, cur, |
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| 125 | type=cur->itemtype; |
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| 126 | switch (type) { |
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| 127 | case e_ITEM_MIN: |
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| 128 | min=abac_xstrdup(cur->val); |
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| 129 | break; |
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| 130 | case e_ITEM_MAX: |
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| 131 | max=abac_xstrdup(cur->val); |
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| 132 | break; |
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| 133 | case e_ITEM_TARGET: |
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| 134 | if(val) |
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| 135 | asprintf(&val,"%s,%s",val,cur->val); |
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| 136 | else val=abac_xstrdup(cur->val); |
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| 137 | break; |
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| 138 | } |
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| 139 | ); |
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| 140 | if(max && min) { |
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| 141 | asprintf(&tmp,"[%s..%s]",min,max); |
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| 142 | free(max); |
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| 143 | free(min); |
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| 144 | return tmp; |
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| 145 | } |
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| 146 | if(max) { |
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| 147 | asprintf(&tmp,"[..%s]",max); |
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| 148 | free(max); |
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| 149 | return tmp; |
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| 150 | } |
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| 151 | if(min) { |
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| 152 | asprintf(&tmp,"[%s..]",min); |
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| 153 | free(min); |
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| 154 | return tmp; |
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| 155 | } |
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| 156 | if(val) { |
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| 157 | asprintf(&tmp,"[%s]",val); |
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| 158 | free(val); |
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| 159 | return tmp; |
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| 160 | } |
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| 161 | return NULL; |
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| 162 | } |
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| 163 | /******************************************************************/ |
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[ca72963] | 164 | abac_item_t *abac_item_new(int itype, char *val) |
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[440ba20] | 165 | { |
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| 166 | abac_item_t *nptr= |
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| 167 | (abac_item_t *)abac_xmalloc(sizeof(abac_item_t)); |
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[ca72963] | 168 | nptr->itemtype=itype; |
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[440ba20] | 169 | nptr->val=abac_xstrdup(val); |
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| 170 | return nptr; |
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| 171 | } |
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| 172 | |
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| 173 | void abac_item_free(abac_item_t *ptr) |
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| 174 | { |
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| 175 | assert(ptr); |
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| 176 | assert(ptr->val); |
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| 177 | free(ptr->val); |
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| 178 | free(ptr); |
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| 179 | } |
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| 180 | |
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| 181 | abac_item_t *abac_item_dup(abac_item_t *ptr) |
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| 182 | { |
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| 183 | abac_item_t *nptr= |
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| 184 | (abac_item_t *)abac_xmalloc(sizeof(abac_item_t)); |
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| 185 | nptr->itemtype=ptr->itemtype; |
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| 186 | nptr->val=abac_xstrdup(ptr->val); |
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| 187 | return nptr; |
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| 188 | } |
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| 189 | |
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| 190 | int abac_item_type(abac_item_t *ptr) |
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| 191 | { |
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| 192 | return ptr->itemtype; |
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| 193 | } |
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| 194 | |
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| 195 | char *abac_item_val(abac_item_t *ptr) |
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| 196 | { |
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| 197 | return ptr->val; |
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| 198 | } |
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| 199 | |
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| 200 | /******************************************************************/ |
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| 201 | static abac_condition_t *_abac_condition_new(int type, int vtype, |
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| 202 | char* condstr,void *cptr) |
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[8bd77b5] | 203 | { |
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| 204 | if(debug) { |
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| 205 | printf(" abac_condition_new: \n"); |
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[440ba20] | 206 | printf(" condtype is %d(%s)\n", type, abac_condtype_string(type)); |
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| 207 | printf(" vtype is %d(%s)\n", vtype, abac_termtype_string(type)); |
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[8bd77b5] | 208 | printf(" condstr is (%s)\n", condstr); |
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| 209 | if(cptr) printf(" yes on cptr\n"); |
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| 210 | else printf(" no on cptr\n"); |
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| 211 | } |
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| 212 | abac_condition_t *ptr= |
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| 213 | (abac_condition_t *)abac_xmalloc(sizeof(abac_condition_t)); |
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[440ba20] | 214 | ptr->condtype=type; |
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| 215 | ptr->vartype=vtype; |
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[8bd77b5] | 216 | ptr->string=abac_xstrdup(condstr); |
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[440ba20] | 217 | ptr->of_aspect=NULL; |
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| 218 | ptr->range_list=NULL; |
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| 219 | if(type==e_COND_RANGE) { |
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| 220 | ptr->range_list=(abac_list_t *)cptr; |
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| 221 | } else { |
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| 222 | if(cptr) ptr->of_aspect=abac_aspect_dup((abac_aspect_t *)cptr); |
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| 223 | } |
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[8bd77b5] | 224 | return ptr; |
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| 225 | } |
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| 226 | |
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| 227 | void abac_condition_free(abac_condition_t *ptr) |
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| 228 | { |
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[440ba20] | 229 | switch(ptr->condtype) { |
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[8bd77b5] | 230 | case e_COND_OSET: |
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| 231 | case e_COND_ROLE: |
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| 232 | abac_aspect_free(ptr->of_aspect); |
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| 233 | break; |
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| 234 | case e_COND_RANGE: |
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| 235 | /* do nothing */ |
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| 236 | break; |
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| 237 | } |
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| 238 | if(ptr->string) free(ptr->string); |
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[440ba20] | 239 | if(ptr->range_list != NULL) { |
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| 240 | abac_item_t *cur; |
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| 241 | abac_list_foreach(ptr->range_list, cur, |
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| 242 | abac_item_free(cur); |
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| 243 | ); |
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| 244 | abac_list_free(ptr->range_list); |
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| 245 | } |
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[8bd77b5] | 246 | free(ptr); |
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| 247 | } |
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| 248 | |
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[440ba20] | 249 | abac_aspect_t *abac_condition_of_aspect(abac_condition_t *ptr) |
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| 250 | { |
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| 251 | return ptr->of_aspect; |
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| 252 | } |
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| 253 | |
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| 254 | int abac_condition_is_range(abac_condition_t *ptr) |
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| 255 | { |
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| 256 | if(ptr->condtype==e_COND_RANGE) |
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| 257 | return 1; |
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| 258 | else return 0; |
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| 259 | } |
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| 260 | |
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| 261 | /* called from backend, intended as stub for range constraint */ |
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| 262 | abac_condition_t *abac_condition_create(char *vtype) |
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[8bd77b5] | 263 | { |
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| 264 | abac_condition_t *nptr= |
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| 265 | (abac_condition_t *)abac_xmalloc(sizeof(abac_condition_t)); |
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[440ba20] | 266 | nptr->condtype=e_COND_RANGE; |
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| 267 | nptr->vartype=abac_verify_term_type(vtype); |
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| 268 | nptr->string=NULL; |
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| 269 | nptr->range_list=NULL; |
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[8bd77b5] | 270 | nptr->of_aspect=NULL; |
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| 271 | return nptr; |
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| 272 | } |
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| 273 | |
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[440ba20] | 274 | abac_condition_t *abac_condition_create_from_aspect(abac_aspect_t *ptr) |
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[8bd77b5] | 275 | { |
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| 276 | assert(ptr); |
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| 277 | abac_condition_t *nptr= |
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| 278 | (abac_condition_t *)abac_xmalloc(sizeof(abac_condition_t)); |
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| 279 | if(abac_aspect_is_role(ptr)) |
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[440ba20] | 280 | nptr->condtype=e_COND_ROLE; |
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| 281 | else nptr->condtype=e_COND_OSET; |
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| 282 | nptr->vartype=e_TERM_PRINCIPAL; |
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[8bd77b5] | 283 | nptr->string=NULL; |
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[440ba20] | 284 | nptr->range_list=NULL; |
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[8bd77b5] | 285 | nptr->of_aspect=abac_aspect_dup(ptr); |
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| 286 | return nptr; |
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| 287 | } |
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| 288 | |
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[5110d42] | 289 | /* make a copy */ |
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[8bd77b5] | 290 | abac_condition_t *abac_condition_dup(abac_condition_t *ptr) |
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| 291 | { |
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| 292 | abac_condition_t *nptr= |
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| 293 | (abac_condition_t *)abac_xmalloc(sizeof(abac_condition_t)); |
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[440ba20] | 294 | nptr->condtype=ptr->condtype; |
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| 295 | nptr->vartype=ptr->vartype; |
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[8bd77b5] | 296 | if(ptr->string) |
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| 297 | nptr->string=abac_xstrdup(ptr->string); |
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| 298 | else nptr->string=NULL; |
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| 299 | if(ptr->of_aspect) |
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| 300 | nptr->of_aspect=abac_aspect_dup(ptr->of_aspect); |
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| 301 | else nptr->of_aspect=NULL; |
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[440ba20] | 302 | |
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| 303 | if(ptr->range_list!=NULL) { |
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| 304 | nptr->range_list=abac_list_new(); |
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| 305 | abac_item_t *cur; |
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| 306 | abac_item_t *nitem; |
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| 307 | abac_list_foreach(ptr->range_list, cur, |
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| 308 | nitem=abac_item_dup(cur); |
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| 309 | abac_list_add(nptr->range_list,nitem); |
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| 310 | ); |
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| 311 | } else { |
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| 312 | nptr->range_list=NULL; |
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| 313 | } |
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[8bd77b5] | 314 | return nptr; |
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| 315 | } |
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| 316 | |
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[440ba20] | 317 | int abac_condition_vartype(abac_condition_t *ptr) |
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| 318 | { |
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| 319 | return ptr->vartype; |
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| 320 | } |
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| 321 | |
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| 322 | abac_list_t *abac_condition_range_list(abac_condition_t *ptr) |
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| 323 | { |
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| 324 | assert(ptr); |
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| 325 | return ptr->range_list; |
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| 326 | } |
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| 327 | |
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| 328 | |
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[ca72963] | 329 | /***********************************************************************/ |
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| 330 | static void _abac_condition_add_range_item(abac_condition_t *ptr, int itype, char* val) |
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[440ba20] | 331 | { |
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| 332 | abac_item_t *nitem=abac_item_new(itype,val); |
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| 333 | if(ptr->range_list==NULL) |
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| 334 | ptr->range_list=abac_list_new(); |
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| 335 | abac_list_add(ptr->range_list,nitem); |
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| 336 | } |
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| 337 | |
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[ca72963] | 338 | void abac_condition_add_range_integer_item(abac_condition_t *ptr, int itype, int val) |
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| 339 | { |
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| 340 | if(abac_condition_vartype(ptr) != abac_verify_term_type("integer")) |
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| 341 | panic("abac_condition_add_range_integer_item, mismatched contraint type to abac integer term\n"); |
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| 342 | char *tmp=NULL; |
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| 343 | asprintf(&tmp,"%d",val); |
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| 344 | _abac_condition_add_range_item(ptr,itype,tmp); |
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| 345 | } |
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| 346 | void abac_condition_add_range_float_item(abac_condition_t *ptr, int itype, float val) |
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| 347 | { |
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| 348 | if(abac_condition_vartype(ptr) != abac_verify_term_type("float")) |
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| 349 | panic("abac_condition_add_range_float_item, mismatched contraint type to abac float term\n"); |
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| 350 | char *tmp=NULL; |
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| 351 | asprintf(&tmp,"%f",val); |
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| 352 | _abac_condition_add_range_item(ptr,itype,tmp); |
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| 353 | } |
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| 354 | |
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| 355 | void abac_condition_add_range_time_item(abac_condition_t *ptr, int itype, char* val) |
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| 356 | { |
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| 357 | if(abac_condition_vartype(ptr) != abac_verify_term_type("time")) |
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| 358 | panic("abac_condition_add_range_time_item, mismatched contraint type to abac time term\n"); |
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| 359 | _abac_condition_add_range_item(ptr,itype,val); |
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| 360 | } |
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| 361 | |
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| 362 | void abac_condition_add_range_urn_item(abac_condition_t *ptr, char *val) |
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| 363 | { |
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| 364 | if(abac_condition_vartype(ptr) != abac_verify_term_type("urn")) |
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| 365 | panic("abac_condition_add_range_urn_item, mismatched contraint type to abac urn term\n"); |
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| 366 | _abac_condition_add_range_item(ptr,e_ITEM_TARGET,val); |
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| 367 | } |
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| 368 | |
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| 369 | void abac_condition_add_range_string_item(abac_condition_t *ptr, char *val) |
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| 370 | { |
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| 371 | if(abac_condition_vartype(ptr) != abac_verify_term_type("string")) |
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| 372 | panic("abac_condition_add_range_string_item, mismatched contraint type to abac string term\n"); |
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| 373 | _abac_condition_add_range_item(ptr,e_ITEM_TARGET,val); |
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| 374 | } |
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| 375 | |
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| 376 | void abac_condition_add_range_boolean_item(abac_condition_t *ptr, char* val) |
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| 377 | { |
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| 378 | if(abac_condition_vartype(ptr) != abac_verify_term_type("boolean")) |
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| 379 | panic("abac_condition_add_range_boolean_item, mismatched contraint type to abac boolen term\n"); |
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| 380 | if(strcmp(val,"true")==0 || strcmp(val,"false")==0) { |
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| 381 | _abac_condition_add_range_item(ptr,e_ITEM_TARGET,val); |
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| 382 | } else { |
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| 383 | panic("abac_condition_add_range_boolean_item, invalid matching value\n"); |
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| 384 | } |
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| 385 | } |
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| 386 | |
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| 387 | |
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[8bd77b5] | 388 | char *abac_condition_string(abac_condition_t *ptr) |
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| 389 | { |
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| 390 | char *string=NULL; |
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[440ba20] | 391 | switch(ptr->condtype) { |
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[8bd77b5] | 392 | case e_COND_OSET: |
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| 393 | case e_COND_ROLE: |
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| 394 | string=abac_aspect_string_with_condition(ptr->of_aspect); |
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[440ba20] | 395 | return string; |
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[8bd77b5] | 396 | break; |
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| 397 | case e_COND_RANGE: |
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[440ba20] | 398 | if(ptr->string != NULL) { |
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| 399 | string=abac_xstrdup(ptr->string); |
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| 400 | return string; |
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| 401 | } |
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| 402 | if(ptr->range_list != NULL) { |
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| 403 | string=abac_range_string(ptr->range_list); |
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| 404 | return string; |
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| 405 | } |
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[8bd77b5] | 406 | break; |
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| 407 | } |
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| 408 | return string; |
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| 409 | } |
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| 410 | |
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| 411 | char *abac_condition_typed_string(abac_condition_t *ptr) |
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| 412 | { |
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| 413 | char *string=NULL; |
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[440ba20] | 414 | switch(ptr->condtype) { |
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[8bd77b5] | 415 | case e_COND_OSET: |
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| 416 | case e_COND_ROLE: |
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| 417 | string=abac_aspect_typed_string_with_condition(ptr->of_aspect); |
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[440ba20] | 418 | return string; |
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[8bd77b5] | 419 | break; |
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| 420 | case e_COND_RANGE: |
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[440ba20] | 421 | if(ptr->string != NULL) { |
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| 422 | string=abac_xstrdup(ptr->string); |
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| 423 | return string; |
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| 424 | } |
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| 425 | if(ptr->range_list != NULL) { |
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| 426 | string=abac_range_string(ptr->range_list); |
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| 427 | return string; |
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| 428 | } |
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[8bd77b5] | 429 | break; |
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| 430 | } |
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| 431 | return string; |
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| 432 | } |
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| 433 | |
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[440ba20] | 434 | int abac_condition_set_range_string(abac_condition_t *ptr) |
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| 435 | { |
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| 436 | char *string= abac_range_string(ptr->range_list); |
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| 437 | ptr->string=string; |
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| 438 | return 1; |
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| 439 | } |
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| 440 | |
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| 441 | int abac_condition_set_aspect_string(abac_condition_t *ptr, char *str) |
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| 442 | { |
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| 443 | ptr->string=abac_xstrdup(str); |
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| 444 | return 1; |
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| 445 | } |
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| 446 | |
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| 447 | int abac_condition_set_aspect_ptr(abac_condition_t *ptr, abac_aspect_t *aptr) |
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| 448 | { |
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| 449 | ptr->of_aspect=abac_aspect_dup(aptr); |
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| 450 | return 1; |
---|
| 451 | } |
---|
| 452 | |
---|
| 453 | void abac_condition_dump(abac_condition_t *ptr, char *offset) |
---|
| 454 | { |
---|
| 455 | printf("...constraint...\n"); |
---|
| 456 | printf("%s condtype: %d(%s)\n", |
---|
| 457 | offset, ptr->condtype,abac_condtype_string(ptr->condtype)); |
---|
| 458 | printf("%s vartype: %d(%s)\n", |
---|
| 459 | offset, ptr->vartype,abac_termtype_string(ptr->vartype)); |
---|
| 460 | if(ptr->string) |
---|
| 461 | printf("%s string: %s\n", offset, ptr->string); |
---|
| 462 | else printf("%s string: --\n", offset); |
---|
| 463 | if(ptr->range_list) |
---|
| 464 | printf("%s range_list: %s\n", |
---|
| 465 | offset, abac_range_string(ptr->range_list)); |
---|
| 466 | else printf("%s range_list: --\n", offset); |
---|
| 467 | if(ptr->of_aspect) { |
---|
| 468 | char *tmp=NULL; |
---|
| 469 | asprintf(&tmp," %s",offset); |
---|
| 470 | abac_aspect_dump(ptr->of_aspect,tmp); |
---|
| 471 | free(tmp); |
---|
| 472 | } else printf("%s of_aspect: --\n", offset); |
---|
| 473 | printf("................\n"); |
---|
| 474 | } |
---|
| 475 | |
---|
[8bd77b5] | 476 | /******************************************************************/ |
---|
[440ba20] | 477 | int abac_term_isvar(abac_term_t *term) |
---|
| 478 | { |
---|
| 479 | if(isupper(term->name[0])) return 1; |
---|
| 480 | else return 0; |
---|
| 481 | } |
---|
[8bd77b5] | 482 | |
---|
[d037f54] | 483 | int abac_term_isnamed(abac_term_t *term) |
---|
| 484 | { |
---|
| 485 | if(term->isnamed) return 1; |
---|
| 486 | else return 0; |
---|
| 487 | } |
---|
| 488 | |
---|
[8bd77b5] | 489 | char *abac_term_name(abac_term_t *term) |
---|
| 490 | { |
---|
[d037f54] | 491 | if(ABAC_IN_PROLOG && term->p_name) { |
---|
| 492 | return term->p_name; |
---|
| 493 | } |
---|
[8bd77b5] | 494 | return term->name; |
---|
| 495 | } |
---|
| 496 | |
---|
| 497 | char *abac_term_cn(abac_term_t *term) |
---|
| 498 | { |
---|
| 499 | return term->cn; |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | abac_condition_t *abac_term_constraint(abac_term_t *term) |
---|
| 503 | { |
---|
| 504 | return term->constraint; |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | char *abac_term_type_name(abac_term_t *term) |
---|
| 508 | { |
---|
[d037f54] | 509 | if(term->isnamed) |
---|
| 510 | return abac_idtype_string(term->type); |
---|
| 511 | return abac_termtype_string(term->type); |
---|
[8bd77b5] | 512 | } |
---|
| 513 | |
---|
| 514 | int abac_term_type(abac_term_t *term) |
---|
| 515 | { |
---|
| 516 | return term->type; |
---|
| 517 | } |
---|
| 518 | |
---|
| 519 | static bool _abac_termtype_is_time_type(int i) |
---|
| 520 | { |
---|
| 521 | if (i == e_TERM_TIME) |
---|
| 522 | return 1; |
---|
| 523 | return 0; |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | bool abac_term_is_time_type(abac_term_t *term) |
---|
| 527 | { |
---|
| 528 | return _abac_termtype_is_time_type(term->type); |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | static bool _abac_termtype_is_string_type(int i) |
---|
| 532 | { |
---|
| 533 | if (i == e_TERM_STRING) |
---|
| 534 | return 1; |
---|
| 535 | return 0; |
---|
| 536 | } |
---|
| 537 | |
---|
[5d06689] | 538 | bool abac_term_is_string(abac_term_t *term) |
---|
[8bd77b5] | 539 | { |
---|
| 540 | return _abac_termtype_is_string_type(term->type); |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | static bool _abac_termtype_is_integer_type(int i) |
---|
| 544 | { |
---|
| 545 | if (i == e_TERM_INTEGER) |
---|
| 546 | return 1; |
---|
| 547 | return 0; |
---|
| 548 | } |
---|
| 549 | |
---|
[5d06689] | 550 | bool abac_term_is_integer(abac_term_t *term) |
---|
[8bd77b5] | 551 | { |
---|
| 552 | return _abac_termtype_is_integer_type(term->type); |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | static bool _abac_termtype_is_urn_type(int i) |
---|
| 556 | { |
---|
| 557 | if (i == e_TERM_URN) |
---|
| 558 | return 1; |
---|
| 559 | return 0; |
---|
| 560 | } |
---|
| 561 | |
---|
[5d06689] | 562 | bool abac_term_is_urn(abac_term_t *term) |
---|
[8bd77b5] | 563 | { |
---|
| 564 | return _abac_termtype_is_urn_type(term->type); |
---|
| 565 | } |
---|
| 566 | |
---|
[440ba20] | 567 | bool abac_term_is_alpha(abac_term_t *term) |
---|
| 568 | { |
---|
| 569 | if(term->type == e_TERM_URN || |
---|
| 570 | term->type == e_TERM_STRING || |
---|
| 571 | term->type == e_TERM_BOOLEAN) |
---|
| 572 | return 1; |
---|
| 573 | return 0; |
---|
| 574 | } |
---|
[8bd77b5] | 575 | |
---|
[440ba20] | 576 | bool abac_term_is_numeric(abac_term_t *term) |
---|
| 577 | { |
---|
| 578 | if(term->type == e_TERM_INTEGER || |
---|
| 579 | term->type == e_TERM_FLOAT) |
---|
| 580 | return 1; |
---|
| 581 | return 0; |
---|
| 582 | } |
---|
[8bd77b5] | 583 | |
---|
[440ba20] | 584 | bool abac_term_is_time(abac_term_t *term) |
---|
| 585 | { |
---|
| 586 | if(term->type == e_TERM_TIME) |
---|
| 587 | return 1; |
---|
[8bd77b5] | 588 | return 0; |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | char *abac_term_to_time(char *string) |
---|
| 592 | { |
---|
| 593 | struct tm tm1; |
---|
| 594 | char buf[255]; |
---|
| 595 | |
---|
| 596 | strptime(string, "%Y%m%dT%H%M%S", &tm1); |
---|
| 597 | strftime(buf, sizeof(buf), "time(%Y,%m,%d,%H,%M,%S)", &tm1); |
---|
| 598 | return strdup(buf); |
---|
| 599 | } |
---|
| 600 | |
---|
[440ba20] | 601 | /* called from yy, cptr is either abac_aspect_t or abac_list_t */ |
---|
| 602 | abac_term_t *abac_term_new(int type, char *name, int isrange, char *cond, void *cptr) |
---|
[8bd77b5] | 603 | { |
---|
| 604 | if(debug) { |
---|
| 605 | printf("abac_term_new: \n"); |
---|
[d037f54] | 606 | printf(" type is %d(%s)\n", type, abac_termtype_string(type)); |
---|
[8bd77b5] | 607 | printf(" name is (%s)\n", name); |
---|
| 608 | if(cond) |
---|
| 609 | printf(" cond is %s\n", cond); |
---|
| 610 | else printf(" no cond \n"); |
---|
[440ba20] | 611 | printf(" isrange is %d\n", isrange); |
---|
| 612 | if(cptr) { |
---|
| 613 | if(isrange) printf(" cptr is (%s)\n", |
---|
| 614 | abac_range_string((abac_list_t *)cptr)); |
---|
| 615 | else |
---|
| 616 | printf(" cptr is (%s)\n", |
---|
| 617 | abac_aspect_string_with_condition((abac_aspect_t *)cptr)); |
---|
| 618 | } else printf(" there is no cptr\n"); |
---|
[8bd77b5] | 619 | } |
---|
| 620 | abac_condition_t *constraint=NULL; |
---|
[440ba20] | 621 | if (cptr) { |
---|
| 622 | if(isrange) { |
---|
| 623 | constraint=_abac_condition_new(e_COND_RANGE,type,cond,cptr); |
---|
| 624 | } else { |
---|
| 625 | if(type==e_TERM_PRINCIPAL) |
---|
| 626 | constraint=_abac_condition_new(e_COND_ROLE,type,cond,cptr); |
---|
| 627 | else |
---|
| 628 | constraint=_abac_condition_new(e_COND_OSET,type,cond,cptr); |
---|
[8bd77b5] | 629 | } |
---|
| 630 | } |
---|
| 631 | abac_term_t *ptr=abac_xmalloc(sizeof(abac_term_t)); |
---|
[d037f54] | 632 | ptr->isnamed=0; |
---|
[8bd77b5] | 633 | ptr->type=type; |
---|
[d037f54] | 634 | ptr->p_name=NULL; |
---|
[8bd77b5] | 635 | /* reformat the term name if it is a time type */ |
---|
| 636 | if((!constraint) && _abac_termtype_is_time_type(type) && isdigit(name[0])) { |
---|
| 637 | char *tmp=abac_term_to_time(name); |
---|
| 638 | ptr->name=tmp; |
---|
| 639 | } else { |
---|
| 640 | ptr->name=abac_xstrdup(name); |
---|
| 641 | } |
---|
| 642 | ptr->constraint=constraint; |
---|
[d037f54] | 643 | ptr->cn=NULL; |
---|
[8bd77b5] | 644 | return ptr; |
---|
| 645 | } |
---|
| 646 | |
---|
[5d06689] | 647 | abac_term_t *abac_term_create(char *typename, char *name, abac_condition_t *cptr) |
---|
[8bd77b5] | 648 | { |
---|
[5d06689] | 649 | int type=abac_verify_term_type(typename); |
---|
[8bd77b5] | 650 | if(debug) { |
---|
| 651 | printf("abac_term_create: \n"); |
---|
[d037f54] | 652 | printf(" type is %d(%s)\n", type, abac_termtype_string(type)); |
---|
[8bd77b5] | 653 | printf(" name is (%s)\n", name); |
---|
| 654 | if(cptr) |
---|
| 655 | printf(" cptr is (%s)\n", abac_condition_typed_string(cptr)); |
---|
| 656 | else printf(" there is no cptr\n"); |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | abac_term_t *ptr=abac_xmalloc(sizeof(abac_term_t)); |
---|
[d037f54] | 660 | ptr->isnamed=0; |
---|
[8bd77b5] | 661 | ptr->type=type; |
---|
[d037f54] | 662 | ptr->p_name=NULL; |
---|
[8bd77b5] | 663 | /* reformat the term name if it is a time type */ |
---|
| 664 | if((!cptr) && _abac_termtype_is_time_type(type) && isdigit(name[0])) { |
---|
| 665 | char *tmp=abac_term_to_time(name); |
---|
| 666 | ptr->name=tmp; |
---|
| 667 | } else { |
---|
| 668 | ptr->name=abac_xstrdup(name); |
---|
| 669 | } |
---|
| 670 | ptr->constraint=(cptr==NULL)?NULL:abac_condition_dup(cptr); |
---|
[d037f54] | 671 | ptr->cn=NULL; |
---|
| 672 | return ptr; |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | /* called from yy, named principal type */ |
---|
| 676 | abac_term_t *abac_term_named_new(int idtype, char *name) |
---|
| 677 | { |
---|
| 678 | if(debug) { |
---|
| 679 | printf("abac_term_named_new: \n"); |
---|
| 680 | printf(" type is %d(%s)\n", idtype, abac_idtype_string(idtype)); |
---|
| 681 | printf(" name is (%s)\n", name); |
---|
| 682 | } |
---|
| 683 | abac_term_t *ptr=abac_xmalloc(sizeof(abac_term_t)); |
---|
| 684 | ptr->isnamed=1; |
---|
| 685 | ptr->type=idtype; |
---|
| 686 | ptr->name=abac_xstrdup(name); |
---|
| 687 | ptr->p_name=NULL; |
---|
| 688 | /* if ABAC_CN, no need to attach p */ |
---|
| 689 | if(!USE("ABAC_CN")) |
---|
| 690 | asprintf(&ptr->p_name,"p%s",name); |
---|
| 691 | ptr->constraint=NULL; |
---|
| 692 | ptr->cn=NULL; |
---|
| 693 | return ptr; |
---|
| 694 | } |
---|
| 695 | |
---|
[5d06689] | 696 | /* seems to be always idtype==e_TERM_PRINCIPAL */ |
---|
| 697 | abac_term_t *abac_term_named_create(char *name) |
---|
[d037f54] | 698 | { |
---|
| 699 | if(debug) { |
---|
| 700 | printf("abac_term_named_create: \n"); |
---|
| 701 | printf(" name is (%s)\n", name); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | abac_term_t *ptr=abac_xmalloc(sizeof(abac_term_t)); |
---|
| 705 | ptr->isnamed=1; |
---|
[5d06689] | 706 | ptr->type=e_TERM_PRINCIPAL; |
---|
[d037f54] | 707 | ptr->name=abac_xstrdup(name); |
---|
| 708 | ptr->p_name=NULL; |
---|
| 709 | /* if ABAC_CN, no need to attach p */ |
---|
| 710 | if(!USE("ABAC_CN")) |
---|
| 711 | asprintf(&ptr->p_name,"p%s",name); |
---|
| 712 | ptr->constraint=NULL; |
---|
| 713 | ptr->cn=NULL; |
---|
[8bd77b5] | 714 | return ptr; |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | abac_term_t *abac_term_dup(abac_term_t *ptr) |
---|
| 718 | { |
---|
| 719 | assert(ptr); |
---|
| 720 | abac_term_t *nptr=abac_xmalloc(sizeof(abac_term_t)); |
---|
[d037f54] | 721 | nptr->isnamed=ptr->isnamed; |
---|
[8bd77b5] | 722 | nptr->type=ptr->type; |
---|
| 723 | nptr->name=abac_xstrdup(ptr->name); |
---|
[d037f54] | 724 | nptr->p_name=(ptr->p_name==NULL)?NULL:abac_xstrdup(ptr->p_name); |
---|
[8bd77b5] | 725 | if(ptr->constraint!=NULL) |
---|
| 726 | nptr->constraint=abac_condition_dup(ptr->constraint); |
---|
| 727 | else nptr->constraint=NULL; |
---|
[d037f54] | 728 | nptr->cn=(ptr->cn)==NULL?NULL:abac_xstrdup(ptr->cn); |
---|
| 729 | nptr->cn=abac_xstrdup(ptr->cn); |
---|
[8bd77b5] | 730 | return nptr; |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | void abac_term_free(abac_term_t *ptr) |
---|
| 734 | { |
---|
| 735 | if(ptr->constraint) { |
---|
| 736 | abac_condition_free(ptr->constraint); |
---|
| 737 | } |
---|
| 738 | free(ptr->name); |
---|
[d037f54] | 739 | if(ptr->p_name) free(ptr->p_name); |
---|
| 740 | if(ptr->cn) free(ptr->cn); |
---|
[8bd77b5] | 741 | free(ptr); |
---|
| 742 | } |
---|
| 743 | |
---|
| 744 | abac_term_t *abac_term_add_constraint(abac_term_t *ptr, abac_condition_t *cond) |
---|
| 745 | { |
---|
[440ba20] | 746 | /* make sure the types are matching */ |
---|
| 747 | if(abac_condition_vartype(cond) != abac_term_type(ptr)) { |
---|
| 748 | panic("abac_term_add_constraint: mismatched constraint type with the dataterm\n"); |
---|
| 749 | return NULL; |
---|
| 750 | } |
---|
| 751 | |
---|
[8bd77b5] | 752 | if(ptr->constraint) { |
---|
| 753 | abac_condition_free(ptr->constraint); |
---|
| 754 | } |
---|
| 755 | ptr->constraint = abac_condition_dup(cond); |
---|
| 756 | return ptr; |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | /* name or name:cond */ |
---|
| 760 | static char *abac_term_string_with_condition(abac_term_t *ptr) |
---|
| 761 | { |
---|
| 762 | char *tmp=NULL; |
---|
| 763 | char *cond=NULL; |
---|
| 764 | char *name=abac_term_name(ptr); |
---|
| 765 | if(ptr->constraint) { |
---|
| 766 | cond=abac_condition_string(ptr->constraint); |
---|
| 767 | } |
---|
| 768 | if(cond) { |
---|
| 769 | asprintf(&tmp,"%s:%s", name, cond); |
---|
| 770 | free(cond); |
---|
| 771 | } else tmp=abac_xstrdup(name); |
---|
| 772 | return tmp; |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | /* [type:name] or [typed:name:cond] */ |
---|
| 776 | static char *abac_term_typed_string_with_condition(abac_term_t *ptr) |
---|
| 777 | { |
---|
| 778 | char *tmp=NULL; |
---|
| 779 | char *cond=NULL; |
---|
| 780 | char *name=abac_term_name(ptr); |
---|
| 781 | char *type=abac_term_type_name(ptr); |
---|
| 782 | if(ptr->constraint) { |
---|
| 783 | cond=abac_condition_typed_string(ptr->constraint); |
---|
| 784 | } |
---|
| 785 | if(cond) { |
---|
[5110d42] | 786 | asprintf(&tmp,"[%s:?%s%s]", type, name, cond); |
---|
[8bd77b5] | 787 | free(cond); |
---|
[5110d42] | 788 | } else { |
---|
| 789 | if(isupper(name[0])) |
---|
| 790 | asprintf(&tmp,"[%s:?%s]", type, name); |
---|
| 791 | else asprintf(&tmp,"[%s:%s]", type, name); |
---|
| 792 | } |
---|
[8bd77b5] | 793 | if(debug) printf("abac_term_typed_string_with_condition: (%s)\n",tmp); |
---|
| 794 | return tmp; |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | char *abac_term_string(abac_term_t *ptr) |
---|
| 798 | { |
---|
[d037f54] | 799 | return abac_xstrdup(abac_term_name(ptr)); |
---|
[8bd77b5] | 800 | } |
---|
| 801 | |
---|
| 802 | char *abac_term_typed_string(abac_term_t *ptr) |
---|
| 803 | { |
---|
| 804 | return abac_term_typed_string_with_condition(ptr); |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | /********************************************************************/ |
---|
[440ba20] | 808 | abac_list_t *abac_param_list(abac_param_list_t *ptr) |
---|
| 809 | { |
---|
| 810 | assert(ptr); |
---|
| 811 | return ptr->list; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | void abac_param_dump(abac_param_list_t *ptr, char *offset) |
---|
| 815 | { |
---|
| 816 | printf("===params===\n"); |
---|
| 817 | abac_term_t *cur; |
---|
| 818 | abac_list_foreach(ptr->list, cur, |
---|
| 819 | abac_term_dump(cur, offset); |
---|
| 820 | ); |
---|
| 821 | printf("============\n"); |
---|
| 822 | } |
---|
| 823 | |
---|
[8bd77b5] | 824 | abac_param_list_t *abac_param_list_new(abac_term_t *term) |
---|
| 825 | { |
---|
| 826 | abac_param_list_t *ptr=abac_xmalloc(sizeof(abac_param_list_t)); |
---|
| 827 | ptr->list=abac_list_new(); |
---|
| 828 | abac_list_add(ptr->list, abac_term_dup(term)); |
---|
| 829 | return ptr; |
---|
| 830 | } |
---|
| 831 | |
---|
| 832 | abac_param_list_t *abac_param_list_free(abac_param_list_t *ptr) |
---|
| 833 | { |
---|
| 834 | abac_list_t *list=ptr->list; |
---|
| 835 | abac_term_t *cur; |
---|
| 836 | abac_list_foreach(list, cur, |
---|
| 837 | abac_term_free(cur); |
---|
| 838 | ); |
---|
| 839 | abac_list_free(list); |
---|
| 840 | free(ptr); |
---|
| 841 | } |
---|
| 842 | |
---|
| 843 | abac_param_list_t *abac_param_list_add_term(abac_param_list_t *ptr, abac_term_t *term) |
---|
| 844 | { |
---|
| 845 | abac_list_t *list=ptr->list; |
---|
| 846 | abac_list_add(list, abac_term_dup(term)); |
---|
| 847 | return ptr; |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | |
---|
| 851 | /* term1:cond1,term2:cond2 */ |
---|
| 852 | char* abac_param_list_string_with_condition(abac_param_list_t *ptr) |
---|
| 853 | { |
---|
| 854 | if(ptr->list == NULL) |
---|
| 855 | return ""; |
---|
| 856 | |
---|
| 857 | abac_term_t *cur; |
---|
| 858 | char *tmp=NULL, *final=NULL; |
---|
| 859 | abac_list_foreach(ptr->list, cur, |
---|
| 860 | char *s=abac_term_string_with_condition(cur); |
---|
| 861 | if(final==NULL) { |
---|
| 862 | final=abac_xstrdup(s); |
---|
| 863 | } else { |
---|
| 864 | tmp=final; |
---|
| 865 | final=NULL; |
---|
| 866 | asprintf(&final,"%s,%s",tmp,s); |
---|
| 867 | free(tmp); |
---|
| 868 | } |
---|
| 869 | free(s); |
---|
| 870 | ); |
---|
| 871 | return final; |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | /* [type:term1:cond1],[type:term2:cond2] */ |
---|
| 875 | char* abac_param_list_typed_string_with_condition(abac_param_list_t *ptr) |
---|
| 876 | { |
---|
| 877 | if(ptr->list == NULL) |
---|
| 878 | return ""; |
---|
| 879 | |
---|
| 880 | abac_term_t *cur; |
---|
| 881 | char *tmp=NULL, *final=NULL; |
---|
| 882 | abac_list_foreach(ptr->list, cur, |
---|
| 883 | char *s=abac_term_typed_string_with_condition(cur); |
---|
| 884 | if(final==NULL) { |
---|
| 885 | final=abac_xstrdup(s); |
---|
| 886 | } else { |
---|
| 887 | tmp=final; |
---|
| 888 | final=NULL; |
---|
| 889 | asprintf(&final,"%s,%s",tmp,s); |
---|
| 890 | if(debug) printf("typed param so far, %s\n", final); |
---|
| 891 | free(tmp); |
---|
| 892 | } |
---|
| 893 | free(s); |
---|
| 894 | ); |
---|
| 895 | if(debug) printf("typed param so far, %s\n", final); |
---|
| 896 | return final; |
---|
| 897 | } |
---|
| 898 | |
---|
| 899 | /* term1,term2 */ |
---|
| 900 | char* abac_param_list_string(abac_param_list_t *ptr) |
---|
| 901 | { |
---|
| 902 | abac_list_t *list=ptr->list; |
---|
| 903 | if(list == NULL) |
---|
| 904 | return ""; |
---|
| 905 | abac_term_t *cur; |
---|
| 906 | char *final=NULL; |
---|
| 907 | char *tmp=NULL; |
---|
| 908 | |
---|
| 909 | /* collect up all the string */ |
---|
| 910 | abac_list_foreach(list, cur, |
---|
| 911 | char *s=abac_term_string(cur); |
---|
| 912 | if(final==NULL) { |
---|
| 913 | final=abac_xstrdup(s); |
---|
| 914 | } else { |
---|
| 915 | tmp=final; |
---|
| 916 | final=NULL; |
---|
| 917 | asprintf(&final,"%s,%s",tmp,s); |
---|
| 918 | if(debug) printf("param so far, %s\n", final); |
---|
| 919 | free(tmp); |
---|
| 920 | } |
---|
| 921 | free(s); |
---|
| 922 | ); |
---|
| 923 | if(debug) printf("param so far, %s\n", final); |
---|
| 924 | return final; |
---|
| 925 | } |
---|
| 926 | |
---|
| 927 | /* make a stack of it for the abac.hh */ |
---|
| 928 | abac_term_t **abac_param_list_vectorize(abac_param_list_t *ptr) |
---|
| 929 | { |
---|
| 930 | abac_term_t **terms=NULL; |
---|
| 931 | abac_list_t *list=ptr->list; |
---|
| 932 | int cnt=0; |
---|
| 933 | if(list != NULL) |
---|
| 934 | cnt=abac_list_size(list); |
---|
| 935 | |
---|
| 936 | // make the array (leave space to NULL terminate it) |
---|
| 937 | // n.b., even if the list is empty, we still return an array that |
---|
| 938 | // only contains the NULL terminator |
---|
| 939 | terms = abac_xmalloc(sizeof(abac_term_t *) * (cnt + 1)); |
---|
| 940 | |
---|
| 941 | abac_term_t *cur; |
---|
| 942 | int i = 0; |
---|
| 943 | if(i<cnt) { |
---|
| 944 | abac_list_foreach(list, cur, |
---|
| 945 | terms[i++] = abac_term_dup(cur); |
---|
| 946 | ); |
---|
| 947 | } |
---|
| 948 | terms[i] = NULL; |
---|
| 949 | return terms; |
---|
| 950 | } |
---|
| 951 | |
---|
[440ba20] | 952 | |
---|
[8bd77b5] | 953 | void abac_terms_free(abac_term_t **terms) |
---|
| 954 | { |
---|
| 955 | /* always null terminating */ |
---|
| 956 | assert(terms); |
---|
| 957 | int i; |
---|
| 958 | for (i = 0; terms[i] != NULL; ++i) { |
---|
| 959 | abac_term_free(terms[i]); |
---|
| 960 | } |
---|
| 961 | free(terms); |
---|
| 962 | } |
---|
[440ba20] | 963 | |
---|
| 964 | void abac_term_dump(abac_term_t *ptr, char *offset) |
---|
| 965 | { |
---|
| 966 | printf("--- term---\n"); |
---|
| 967 | printf("%s type : %s\n",offset, abac_term_type_name(ptr)); |
---|
| 968 | printf("%s name : %s\n",offset, abac_term_name(ptr)); |
---|
| 969 | printf("%s isnamed: %d\n",offset,ptr->isnamed); |
---|
| 970 | if(ptr->p_name) |
---|
| 971 | printf("%s p_name: %s\n",offset,ptr->p_name); |
---|
| 972 | else printf("%s p_name: --\n",offset); |
---|
| 973 | if(ptr->cn) |
---|
| 974 | printf("%s cn: %s\n",offset,ptr->cn); |
---|
| 975 | else printf("%s cn: --\n",offset); |
---|
| 976 | if(ptr->constraint) { |
---|
| 977 | char *tmp=NULL; |
---|
| 978 | asprintf(&tmp," %s", offset); |
---|
| 979 | abac_condition_dump(ptr->constraint,offset); |
---|
| 980 | free(tmp); |
---|
| 981 | } else printf("%s constraint: --\n",offset); |
---|
| 982 | printf("-----------\n"); |
---|
| 983 | } |
---|
| 984 | |
---|