vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 1 | #include <asn1fix_internal.h> |
| 2 | #include <asn1fix_crange.h> |
| 3 | |
| 4 | /* |
| 5 | * Check that a specific constraint is compatible |
| 6 | * with the given expression type. |
| 7 | */ |
| 8 | int |
| 9 | asn1constraint_compatible(asn1p_expr_type_e expr_type, |
| 10 | enum asn1p_constraint_type_e constr_type) { |
| 11 | |
| 12 | /* |
| 13 | * X.680-0207, Table 9. |
| 14 | */ |
| 15 | |
| 16 | switch(constr_type) { |
| 17 | case ACT_INVALID: |
| 18 | return 0; |
| 19 | case ACT_EL_VALUE: |
| 20 | return 1; |
| 21 | case ACT_EL_RANGE: |
| 22 | case ACT_EL_LLRANGE: |
| 23 | case ACT_EL_RLRANGE: |
| 24 | case ACT_EL_ULRANGE: |
| 25 | switch(expr_type) { |
| 26 | case ASN_BASIC_ENUMERATED: |
| 27 | case ASN_BASIC_BOOLEAN: |
| 28 | /* |
| 29 | * The ValueRange constraint is not formally |
| 30 | * applicable to the above types. However, we |
| 31 | * support it just fine. |
| 32 | */ |
| 33 | /* Fall through */ |
| 34 | case ASN_BASIC_INTEGER: |
| 35 | case ASN_BASIC_REAL: |
| 36 | return 1; |
| 37 | default: |
| 38 | if(expr_type & ASN_STRING_MASK) |
| 39 | return 1; |
| 40 | } |
| 41 | return 0; |
| 42 | case ACT_EL_EXT: |
| 43 | return -1; |
| 44 | case ACT_CT_FROM: |
| 45 | if(expr_type & ASN_STRING_MASK) |
| 46 | return 1; |
| 47 | return 0; |
| 48 | case ACT_CT_SIZE: |
| 49 | switch(expr_type) { |
| 50 | case ASN_BASIC_BIT_STRING: |
| 51 | case ASN_BASIC_OCTET_STRING: |
| 52 | case ASN_BASIC_CHARACTER_STRING: |
| 53 | case ASN_CONSTR_SEQUENCE_OF: |
| 54 | case ASN_CONSTR_SET_OF: |
| 55 | return 1; |
| 56 | default: |
| 57 | if(expr_type & ASN_STRING_MASK) |
| 58 | return 1; |
| 59 | } |
| 60 | return 0; |
| 61 | case ACT_CT_WCOMP: |
| 62 | case ACT_CT_WCOMPS: |
| 63 | switch(expr_type) { |
| 64 | case A1TC_INSTANCE: |
| 65 | case ASN_BASIC_EXTERNAL: |
| 66 | case ASN_BASIC_EMBEDDED_PDV: |
| 67 | case ASN_BASIC_REAL: |
| 68 | case ASN_BASIC_CHARACTER_STRING: |
| 69 | case ASN_CONSTR_CHOICE: |
| 70 | case ASN_CONSTR_SEQUENCE: |
| 71 | case ASN_CONSTR_SEQUENCE_OF: |
| 72 | case ASN_CONSTR_SET: |
| 73 | case ASN_CONSTR_SET_OF: |
| 74 | return 1; |
| 75 | default: break; |
| 76 | } |
| 77 | return 0; |
| 78 | case ACT_CA_SET: |
| 79 | case ACT_CA_CRC: |
| 80 | case ACT_CA_CSV: |
| 81 | case ACT_CA_UNI: |
| 82 | case ACT_CA_INT: |
| 83 | case ACT_CA_EXC: |
| 84 | return 1; |
| 85 | } |
| 86 | |
| 87 | return -1; |
| 88 | } |
| 89 | |
| 90 | |
| 91 | #define DECL(foo, val1, val2) \ |
| 92 | static asn1cnst_range_t range_ ## foo = { \ |
| 93 | { ARE_VALUE, 0, val1 }, \ |
| 94 | { ARE_VALUE, 0, val2 }, \ |
vlm | 8a38615 | 2004-08-18 05:46:55 +0000 | [diff] [blame] | 95 | 0, 0, 0, 0, 0, 0 } |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 96 | |
| 97 | asn1cnst_range_t * |
| 98 | asn1constraint_default_alphabet(asn1p_expr_type_e expr_type) { |
| 99 | DECL(uint7, 0x00, 0x7f); |
| 100 | DECL(uint8, 0x00, 0xff); |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 101 | DECL(uint16, 0x00, 0xffff); |
| 102 | DECL(uint31, 0x00, 0x7fffffff); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 103 | DECL(Space, 0x20, 0x20); |
| 104 | DECL(ApostropheAndParens, 0x27, 0x29); |
| 105 | DECL(PlusTillColon, 0x2b, 0x3a); |
| 106 | DECL(Equal, 0x3d, 0x3d); |
| 107 | DECL(QuestionMark, 0x3f, 0x3f); |
| 108 | DECL(Digits, 0x30, 0x39); |
| 109 | DECL(AlphaCap, 0x41, 0x5a); |
| 110 | DECL(AlphaLow, 0x61, 0x7a); |
| 111 | DECL(PlusCommaMinusDot, 0x2b, 0x2e); |
| 112 | DECL(Plus, 0x2b, 0x2b); |
| 113 | DECL(MinusDot, 0x2d, 0x2e); |
| 114 | DECL(Z, 0x5a, 0x5a); |
| 115 | static asn1cnst_range_t *range_NumericString_array[] = { |
| 116 | &range_Space, &range_Digits }; |
| 117 | static asn1cnst_range_t *range_PrintableString_array[] = { |
| 118 | &range_Space, |
| 119 | &range_ApostropheAndParens, |
| 120 | &range_PlusTillColon, |
| 121 | &range_Equal, |
| 122 | &range_QuestionMark, |
| 123 | &range_AlphaCap, |
| 124 | &range_AlphaLow |
| 125 | }; |
| 126 | static asn1cnst_range_t *range_UTCTime_array[] = { |
| 127 | &range_Plus, &range_MinusDot, &range_Digits, &range_Z }; |
| 128 | static asn1cnst_range_t *range_GeneralizedTime_array[] = { |
| 129 | &range_PlusCommaMinusDot, &range_Digits, &range_Z }; |
| 130 | static asn1cnst_range_t range_NumericString = { |
| 131 | { ARE_VALUE, 0, 0x20 }, |
| 132 | { ARE_VALUE, 0, 0x39 }, |
| 133 | range_NumericString_array, |
| 134 | sizeof(range_NumericString_array) |
| 135 | /sizeof(range_NumericString_array[0]), |
| 136 | 0, 0, 0, 0 }; |
| 137 | static asn1cnst_range_t range_PrintableString = { |
| 138 | { ARE_VALUE, 0, 0x20 }, |
| 139 | { ARE_VALUE, 0, 0x7a }, |
| 140 | range_PrintableString_array, |
| 141 | sizeof(range_PrintableString_array) |
| 142 | /sizeof(range_PrintableString_array[0]), |
| 143 | 0, 0, 0, 0 }; |
| 144 | static asn1cnst_range_t range_VisibleString = { |
| 145 | { ARE_VALUE, 0, 0x20 }, |
| 146 | { ARE_VALUE, 0, 0x7e }, |
| 147 | 0, 0, 0, 0, 0, 0 }; |
| 148 | static asn1cnst_range_t range_UTCTime = { |
| 149 | { ARE_VALUE, 0, 0x2b }, |
| 150 | { ARE_VALUE, 0, 0x5a }, |
| 151 | range_UTCTime_array, |
| 152 | sizeof(range_UTCTime_array) |
| 153 | /sizeof(range_UTCTime_array[0]), |
| 154 | 0, 0, 0, 0 }; |
| 155 | static asn1cnst_range_t range_GeneralizedTime = { |
| 156 | { ARE_VALUE, 0, 0x2b }, |
| 157 | { ARE_VALUE, 0, 0x5a }, |
| 158 | range_GeneralizedTime_array, |
| 159 | sizeof(range_GeneralizedTime_array) |
| 160 | /sizeof(range_GeneralizedTime_array[0]), |
| 161 | 0, 0, 0, 0 }; |
| 162 | |
| 163 | switch(expr_type) { |
| 164 | case ASN_STRING_NumericString: |
| 165 | return &range_NumericString; |
| 166 | case ASN_STRING_PrintableString: |
| 167 | return &range_PrintableString; |
| 168 | case ASN_STRING_VisibleString: |
| 169 | return &range_VisibleString; |
| 170 | case ASN_STRING_IA5String: |
| 171 | return &range_uint7; |
| 172 | case ASN_BASIC_OCTET_STRING: |
| 173 | return &range_uint8; |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 174 | case ASN_STRING_BMPString: |
| 175 | return &range_uint16; |
| 176 | case ASN_STRING_UniversalString: |
| 177 | case ASN_STRING_UTF8String: |
| 178 | return &range_uint31; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 179 | case ASN_BASIC_UTCTime: |
| 180 | return &range_UTCTime; |
| 181 | case ASN_BASIC_GeneralizedTime: |
| 182 | return &range_GeneralizedTime; |
| 183 | default: |
| 184 | break; |
| 185 | } |
| 186 | |
| 187 | return NULL; |
| 188 | } |