vlm | 8a09e0f | 2005-02-25 14:20:30 +0000 | [diff] [blame] | 1 | #include "asn1fix_internal.h" |
| 2 | #include "asn1fix_crange.h" |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 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, |
vlm | 2702858 | 2005-08-14 14:45:44 +0000 | [diff] [blame] | 10 | enum asn1p_constraint_type_e constr_type, int fbless_SIZE) { |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 11 | |
vlm | e745fcd | 2006-09-05 16:18:34 +0000 | [diff] [blame] | 12 | if(expr_type == ASN_BASIC_REAL) |
| 13 | return -1; /* Not yet supported */ |
| 14 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 15 | /* |
| 16 | * X.680-0207, Table 9. |
| 17 | */ |
| 18 | |
| 19 | switch(constr_type) { |
| 20 | case ACT_INVALID: |
| 21 | return 0; |
vlm | 53832f1 | 2005-03-20 12:57:21 +0000 | [diff] [blame] | 22 | case ACT_EL_TYPE: |
| 23 | return 1; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 24 | case ACT_EL_VALUE: |
| 25 | return 1; |
| 26 | case ACT_EL_RANGE: |
| 27 | case ACT_EL_LLRANGE: |
| 28 | case ACT_EL_RLRANGE: |
| 29 | case ACT_EL_ULRANGE: |
| 30 | switch(expr_type) { |
| 31 | case ASN_BASIC_ENUMERATED: |
| 32 | case ASN_BASIC_BOOLEAN: |
| 33 | /* |
| 34 | * The ValueRange constraint is not formally |
| 35 | * applicable to the above types. However, we |
| 36 | * support it just fine. |
| 37 | */ |
| 38 | /* Fall through */ |
| 39 | case ASN_BASIC_INTEGER: |
| 40 | case ASN_BASIC_REAL: |
| 41 | return 1; |
| 42 | default: |
| 43 | if(expr_type & ASN_STRING_MASK) |
| 44 | return 1; |
| 45 | } |
| 46 | return 0; |
| 47 | case ACT_EL_EXT: |
| 48 | return -1; |
| 49 | case ACT_CT_FROM: |
| 50 | if(expr_type & ASN_STRING_MASK) |
| 51 | return 1; |
| 52 | return 0; |
| 53 | case ACT_CT_SIZE: |
| 54 | switch(expr_type) { |
vlm | 2702858 | 2005-08-14 14:45:44 +0000 | [diff] [blame] | 55 | case ASN_BASIC_INTEGER: |
| 56 | case ASN_BASIC_ENUMERATED: |
| 57 | if(fbless_SIZE) |
| 58 | return 1; |
| 59 | break; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 60 | case ASN_BASIC_BIT_STRING: |
| 61 | case ASN_BASIC_OCTET_STRING: |
| 62 | case ASN_BASIC_CHARACTER_STRING: |
| 63 | case ASN_CONSTR_SEQUENCE_OF: |
| 64 | case ASN_CONSTR_SET_OF: |
| 65 | return 1; |
| 66 | default: |
| 67 | if(expr_type & ASN_STRING_MASK) |
| 68 | return 1; |
| 69 | } |
| 70 | return 0; |
| 71 | case ACT_CT_WCOMP: |
| 72 | case ACT_CT_WCOMPS: |
| 73 | switch(expr_type) { |
| 74 | case A1TC_INSTANCE: |
| 75 | case ASN_BASIC_EXTERNAL: |
| 76 | case ASN_BASIC_EMBEDDED_PDV: |
| 77 | case ASN_BASIC_REAL: |
| 78 | case ASN_BASIC_CHARACTER_STRING: |
| 79 | case ASN_CONSTR_CHOICE: |
| 80 | case ASN_CONSTR_SEQUENCE: |
| 81 | case ASN_CONSTR_SEQUENCE_OF: |
| 82 | case ASN_CONSTR_SET: |
| 83 | case ASN_CONSTR_SET_OF: |
| 84 | return 1; |
| 85 | default: break; |
| 86 | } |
| 87 | return 0; |
vlm | 6611add | 2005-03-20 14:28:32 +0000 | [diff] [blame] | 88 | case ACT_CT_CTDBY: |
| 89 | return 1; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 90 | case ACT_CA_SET: |
| 91 | case ACT_CA_CRC: |
| 92 | case ACT_CA_CSV: |
| 93 | case ACT_CA_UNI: |
| 94 | case ACT_CA_INT: |
| 95 | case ACT_CA_EXC: |
vlm | 5e79ae6 | 2005-03-24 14:40:05 +0000 | [diff] [blame] | 96 | case ACT_CA_AEX: |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 97 | return 1; |
| 98 | } |
| 99 | |
| 100 | return -1; |
| 101 | } |
| 102 | |
| 103 | |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 104 | #define DECL_RANGE(foo, val1, val2, pv) \ |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 105 | static asn1cnst_range_t range_ ## foo = { \ |
| 106 | { ARE_VALUE, 0, val1 }, \ |
| 107 | { ARE_VALUE, 0, val2 }, \ |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 108 | 0, 0, 0, 0, 0, 0, pv } |
| 109 | |
| 110 | #define DECL(foo, val1, val2) DECL_RANGE(foo, val1, val2, 0) |
| 111 | #define DECL_notPV(foo, val1, val2) DECL_RANGE(foo, val1, val2, 1) |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 112 | |
| 113 | asn1cnst_range_t * |
| 114 | asn1constraint_default_alphabet(asn1p_expr_type_e expr_type) { |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 115 | DECL_notPV(octstr, 0x00, 0xff); /* Not PER-visible */ |
| 116 | DECL_notPV(utf8, 0x00, 0x7fffffff); /* Not PER-visible */ |
| 117 | DECL(bmp, 0x00, 65533); /* 64K-2 cells */ |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 118 | DECL(uint7, 0x00, 0x7f); |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 119 | DECL(uint31, 0x00, 0x7fffffff); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 120 | DECL(Space, 0x20, 0x20); |
| 121 | DECL(ApostropheAndParens, 0x27, 0x29); |
| 122 | DECL(PlusTillColon, 0x2b, 0x3a); |
| 123 | DECL(Equal, 0x3d, 0x3d); |
| 124 | DECL(QuestionMark, 0x3f, 0x3f); |
| 125 | DECL(Digits, 0x30, 0x39); |
| 126 | DECL(AlphaCap, 0x41, 0x5a); |
| 127 | DECL(AlphaLow, 0x61, 0x7a); |
| 128 | DECL(PlusCommaMinusDot, 0x2b, 0x2e); |
| 129 | DECL(Plus, 0x2b, 0x2b); |
| 130 | DECL(MinusDot, 0x2d, 0x2e); |
| 131 | DECL(Z, 0x5a, 0x5a); |
| 132 | static asn1cnst_range_t *range_NumericString_array[] = { |
| 133 | &range_Space, &range_Digits }; |
| 134 | static asn1cnst_range_t *range_PrintableString_array[] = { |
| 135 | &range_Space, |
| 136 | &range_ApostropheAndParens, |
| 137 | &range_PlusTillColon, |
| 138 | &range_Equal, |
| 139 | &range_QuestionMark, |
| 140 | &range_AlphaCap, |
| 141 | &range_AlphaLow |
| 142 | }; |
| 143 | static asn1cnst_range_t *range_UTCTime_array[] = { |
| 144 | &range_Plus, &range_MinusDot, &range_Digits, &range_Z }; |
| 145 | static asn1cnst_range_t *range_GeneralizedTime_array[] = { |
| 146 | &range_PlusCommaMinusDot, &range_Digits, &range_Z }; |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 147 | |
| 148 | static asn1cnst_range_t range_notPERVisible = { |
| 149 | { ARE_MIN, 0, 0 }, |
| 150 | { ARE_MAX, 0, 0 }, |
| 151 | 0, 0, 0, 0, 0, 0, 1 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 152 | static asn1cnst_range_t range_NumericString = { |
| 153 | { ARE_VALUE, 0, 0x20 }, |
| 154 | { ARE_VALUE, 0, 0x39 }, |
| 155 | range_NumericString_array, |
| 156 | sizeof(range_NumericString_array) |
| 157 | /sizeof(range_NumericString_array[0]), |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 158 | 0, 0, 0, 0, 0 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 159 | static asn1cnst_range_t range_PrintableString = { |
| 160 | { ARE_VALUE, 0, 0x20 }, |
| 161 | { ARE_VALUE, 0, 0x7a }, |
| 162 | range_PrintableString_array, |
| 163 | sizeof(range_PrintableString_array) |
| 164 | /sizeof(range_PrintableString_array[0]), |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 165 | 0, 0, 0, 0, 0 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 166 | static asn1cnst_range_t range_VisibleString = { |
| 167 | { ARE_VALUE, 0, 0x20 }, |
| 168 | { ARE_VALUE, 0, 0x7e }, |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 169 | 0, 0, 0, 0, 0, 0, 0 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 170 | static asn1cnst_range_t range_UTCTime = { |
| 171 | { ARE_VALUE, 0, 0x2b }, |
| 172 | { ARE_VALUE, 0, 0x5a }, |
| 173 | range_UTCTime_array, |
| 174 | sizeof(range_UTCTime_array) |
| 175 | /sizeof(range_UTCTime_array[0]), |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 176 | 0, 0, 0, 0, 1 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 177 | static asn1cnst_range_t range_GeneralizedTime = { |
| 178 | { ARE_VALUE, 0, 0x2b }, |
| 179 | { ARE_VALUE, 0, 0x5a }, |
| 180 | range_GeneralizedTime_array, |
| 181 | sizeof(range_GeneralizedTime_array) |
| 182 | /sizeof(range_GeneralizedTime_array[0]), |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 183 | 0, 0, 0, 0, 1 }; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 184 | |
| 185 | switch(expr_type) { |
| 186 | case ASN_STRING_NumericString: |
| 187 | return &range_NumericString; |
| 188 | case ASN_STRING_PrintableString: |
| 189 | return &range_PrintableString; |
| 190 | case ASN_STRING_VisibleString: |
| 191 | return &range_VisibleString; |
| 192 | case ASN_STRING_IA5String: |
| 193 | return &range_uint7; |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 194 | case ASN_STRING_BMPString: |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 195 | return &range_bmp; |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 196 | case ASN_STRING_UTF8String: |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 197 | /* |
| 198 | * X.691, #9.3.6 |
| 199 | * Not a known-multipler character string type. |
| 200 | */ |
| 201 | assert(range_utf8.not_PER_visible); |
| 202 | return &range_utf8; |
| 203 | case ASN_STRING_UniversalString: |
vlm | fef925d | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 204 | return &range_uint31; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 205 | case ASN_BASIC_UTCTime: |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 206 | /* Permitted alphabet constraint is not applicable */ |
| 207 | assert(range_UTCTime.not_PER_visible); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 208 | return &range_UTCTime; |
| 209 | case ASN_BASIC_GeneralizedTime: |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 210 | /* Permitted alphabet constraint is not applicable */ |
| 211 | assert(range_GeneralizedTime.not_PER_visible); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 212 | return &range_GeneralizedTime; |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 213 | case ASN_BASIC_OCTET_STRING: |
| 214 | /* |
| 215 | * Permitted alphabet constraint is not applicable |
| 216 | * to this type. However, we support it, albeit not |
| 217 | * in a strict PER mode. |
| 218 | */ |
| 219 | assert(range_octstr.not_PER_visible); |
| 220 | return &range_octstr; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 221 | default: |
vlm | ee8b06f | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 222 | if(!(expr_type & ASN_STRING_MASK)) |
| 223 | break; |
| 224 | assert(expr_type & ASN_STRING_NKM_MASK); |
| 225 | /* |
| 226 | * X.691, 9.3.6 |
| 227 | * Not a known-multiplier character string. |
| 228 | */ |
| 229 | return &range_notPERVisible; |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | return NULL; |
| 233 | } |