Lev Walkin | 4efbfb7 | 2005-02-25 14:20:30 +0000 | [diff] [blame] | 1 | #include "asn1fix_internal.h" |
| 2 | #include "asn1fix_crange.h" |
Lev Walkin | b45e067 | 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, |
| 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; |
Lev Walkin | 7ec9b4c | 2005-03-20 12:57:21 +0000 | [diff] [blame] | 19 | case ACT_EL_TYPE: |
| 20 | return 1; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 21 | case ACT_EL_VALUE: |
| 22 | return 1; |
| 23 | case ACT_EL_RANGE: |
| 24 | case ACT_EL_LLRANGE: |
| 25 | case ACT_EL_RLRANGE: |
| 26 | case ACT_EL_ULRANGE: |
| 27 | switch(expr_type) { |
| 28 | case ASN_BASIC_ENUMERATED: |
| 29 | case ASN_BASIC_BOOLEAN: |
| 30 | /* |
| 31 | * The ValueRange constraint is not formally |
| 32 | * applicable to the above types. However, we |
| 33 | * support it just fine. |
| 34 | */ |
| 35 | /* Fall through */ |
| 36 | case ASN_BASIC_INTEGER: |
| 37 | case ASN_BASIC_REAL: |
| 38 | return 1; |
| 39 | default: |
| 40 | if(expr_type & ASN_STRING_MASK) |
| 41 | return 1; |
| 42 | } |
| 43 | return 0; |
| 44 | case ACT_EL_EXT: |
| 45 | return -1; |
| 46 | case ACT_CT_FROM: |
| 47 | if(expr_type & ASN_STRING_MASK) |
| 48 | return 1; |
| 49 | return 0; |
| 50 | case ACT_CT_SIZE: |
| 51 | switch(expr_type) { |
| 52 | case ASN_BASIC_BIT_STRING: |
| 53 | case ASN_BASIC_OCTET_STRING: |
| 54 | case ASN_BASIC_CHARACTER_STRING: |
| 55 | case ASN_CONSTR_SEQUENCE_OF: |
| 56 | case ASN_CONSTR_SET_OF: |
| 57 | return 1; |
| 58 | default: |
| 59 | if(expr_type & ASN_STRING_MASK) |
| 60 | return 1; |
| 61 | } |
| 62 | return 0; |
| 63 | case ACT_CT_WCOMP: |
| 64 | case ACT_CT_WCOMPS: |
| 65 | switch(expr_type) { |
| 66 | case A1TC_INSTANCE: |
| 67 | case ASN_BASIC_EXTERNAL: |
| 68 | case ASN_BASIC_EMBEDDED_PDV: |
| 69 | case ASN_BASIC_REAL: |
| 70 | case ASN_BASIC_CHARACTER_STRING: |
| 71 | case ASN_CONSTR_CHOICE: |
| 72 | case ASN_CONSTR_SEQUENCE: |
| 73 | case ASN_CONSTR_SEQUENCE_OF: |
| 74 | case ASN_CONSTR_SET: |
| 75 | case ASN_CONSTR_SET_OF: |
| 76 | return 1; |
| 77 | default: break; |
| 78 | } |
| 79 | return 0; |
Lev Walkin | 1893ddf | 2005-03-20 14:28:32 +0000 | [diff] [blame] | 80 | case ACT_CT_CTDBY: |
| 81 | return 1; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 82 | case ACT_CA_SET: |
| 83 | case ACT_CA_CRC: |
| 84 | case ACT_CA_CSV: |
| 85 | case ACT_CA_UNI: |
| 86 | case ACT_CA_INT: |
| 87 | case ACT_CA_EXC: |
Lev Walkin | d1b4ac3 | 2005-03-24 14:40:05 +0000 | [diff] [blame] | 88 | case ACT_CA_AEX: |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 89 | return 1; |
| 90 | } |
| 91 | |
| 92 | return -1; |
| 93 | } |
| 94 | |
| 95 | |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 96 | #define DECL_RANGE(foo, val1, val2, pv) \ |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 97 | static asn1cnst_range_t range_ ## foo = { \ |
| 98 | { ARE_VALUE, 0, val1 }, \ |
| 99 | { ARE_VALUE, 0, val2 }, \ |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 100 | 0, 0, 0, 0, 0, 0, pv } |
| 101 | |
| 102 | #define DECL(foo, val1, val2) DECL_RANGE(foo, val1, val2, 0) |
| 103 | #define DECL_notPV(foo, val1, val2) DECL_RANGE(foo, val1, val2, 1) |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 104 | |
| 105 | asn1cnst_range_t * |
| 106 | asn1constraint_default_alphabet(asn1p_expr_type_e expr_type) { |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 107 | DECL_notPV(octstr, 0x00, 0xff); /* Not PER-visible */ |
| 108 | DECL_notPV(utf8, 0x00, 0x7fffffff); /* Not PER-visible */ |
| 109 | DECL(bmp, 0x00, 65533); /* 64K-2 cells */ |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 110 | DECL(uint7, 0x00, 0x7f); |
Lev Walkin | cb63696 | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 111 | DECL(uint31, 0x00, 0x7fffffff); |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 112 | DECL(Space, 0x20, 0x20); |
| 113 | DECL(ApostropheAndParens, 0x27, 0x29); |
| 114 | DECL(PlusTillColon, 0x2b, 0x3a); |
| 115 | DECL(Equal, 0x3d, 0x3d); |
| 116 | DECL(QuestionMark, 0x3f, 0x3f); |
| 117 | DECL(Digits, 0x30, 0x39); |
| 118 | DECL(AlphaCap, 0x41, 0x5a); |
| 119 | DECL(AlphaLow, 0x61, 0x7a); |
| 120 | DECL(PlusCommaMinusDot, 0x2b, 0x2e); |
| 121 | DECL(Plus, 0x2b, 0x2b); |
| 122 | DECL(MinusDot, 0x2d, 0x2e); |
| 123 | DECL(Z, 0x5a, 0x5a); |
| 124 | static asn1cnst_range_t *range_NumericString_array[] = { |
| 125 | &range_Space, &range_Digits }; |
| 126 | static asn1cnst_range_t *range_PrintableString_array[] = { |
| 127 | &range_Space, |
| 128 | &range_ApostropheAndParens, |
| 129 | &range_PlusTillColon, |
| 130 | &range_Equal, |
| 131 | &range_QuestionMark, |
| 132 | &range_AlphaCap, |
| 133 | &range_AlphaLow |
| 134 | }; |
| 135 | static asn1cnst_range_t *range_UTCTime_array[] = { |
| 136 | &range_Plus, &range_MinusDot, &range_Digits, &range_Z }; |
| 137 | static asn1cnst_range_t *range_GeneralizedTime_array[] = { |
| 138 | &range_PlusCommaMinusDot, &range_Digits, &range_Z }; |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 139 | |
| 140 | static asn1cnst_range_t range_notPERVisible = { |
| 141 | { ARE_MIN, 0, 0 }, |
| 142 | { ARE_MAX, 0, 0 }, |
| 143 | 0, 0, 0, 0, 0, 0, 1 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 144 | static asn1cnst_range_t range_NumericString = { |
| 145 | { ARE_VALUE, 0, 0x20 }, |
| 146 | { ARE_VALUE, 0, 0x39 }, |
| 147 | range_NumericString_array, |
| 148 | sizeof(range_NumericString_array) |
| 149 | /sizeof(range_NumericString_array[0]), |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 150 | 0, 0, 0, 0, 0 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 151 | static asn1cnst_range_t range_PrintableString = { |
| 152 | { ARE_VALUE, 0, 0x20 }, |
| 153 | { ARE_VALUE, 0, 0x7a }, |
| 154 | range_PrintableString_array, |
| 155 | sizeof(range_PrintableString_array) |
| 156 | /sizeof(range_PrintableString_array[0]), |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 157 | 0, 0, 0, 0, 0 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 158 | static asn1cnst_range_t range_VisibleString = { |
| 159 | { ARE_VALUE, 0, 0x20 }, |
| 160 | { ARE_VALUE, 0, 0x7e }, |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 161 | 0, 0, 0, 0, 0, 0, 0 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 162 | static asn1cnst_range_t range_UTCTime = { |
| 163 | { ARE_VALUE, 0, 0x2b }, |
| 164 | { ARE_VALUE, 0, 0x5a }, |
| 165 | range_UTCTime_array, |
| 166 | sizeof(range_UTCTime_array) |
| 167 | /sizeof(range_UTCTime_array[0]), |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 168 | 0, 0, 0, 0, 1 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 169 | static asn1cnst_range_t range_GeneralizedTime = { |
| 170 | { ARE_VALUE, 0, 0x2b }, |
| 171 | { ARE_VALUE, 0, 0x5a }, |
| 172 | range_GeneralizedTime_array, |
| 173 | sizeof(range_GeneralizedTime_array) |
| 174 | /sizeof(range_GeneralizedTime_array[0]), |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 175 | 0, 0, 0, 0, 1 }; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 176 | |
| 177 | switch(expr_type) { |
| 178 | case ASN_STRING_NumericString: |
| 179 | return &range_NumericString; |
| 180 | case ASN_STRING_PrintableString: |
| 181 | return &range_PrintableString; |
| 182 | case ASN_STRING_VisibleString: |
| 183 | return &range_VisibleString; |
| 184 | case ASN_STRING_IA5String: |
| 185 | return &range_uint7; |
Lev Walkin | cb63696 | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 186 | case ASN_STRING_BMPString: |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 187 | return &range_bmp; |
Lev Walkin | cb63696 | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 188 | case ASN_STRING_UTF8String: |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 189 | /* |
| 190 | * X.691, #9.3.6 |
| 191 | * Not a known-multipler character string type. |
| 192 | */ |
| 193 | assert(range_utf8.not_PER_visible); |
| 194 | return &range_utf8; |
| 195 | case ASN_STRING_UniversalString: |
Lev Walkin | cb63696 | 2004-08-19 13:28:31 +0000 | [diff] [blame] | 196 | return &range_uint31; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 197 | case ASN_BASIC_UTCTime: |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 198 | /* Permitted alphabet constraint is not applicable */ |
| 199 | assert(range_UTCTime.not_PER_visible); |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 200 | return &range_UTCTime; |
| 201 | case ASN_BASIC_GeneralizedTime: |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 202 | /* Permitted alphabet constraint is not applicable */ |
| 203 | assert(range_GeneralizedTime.not_PER_visible); |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 204 | return &range_GeneralizedTime; |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 205 | case ASN_BASIC_OCTET_STRING: |
| 206 | /* |
| 207 | * Permitted alphabet constraint is not applicable |
| 208 | * to this type. However, we support it, albeit not |
| 209 | * in a strict PER mode. |
| 210 | */ |
| 211 | assert(range_octstr.not_PER_visible); |
| 212 | return &range_octstr; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 213 | default: |
Lev Walkin | b74ac57 | 2004-08-25 02:05:28 +0000 | [diff] [blame] | 214 | if(!(expr_type & ASN_STRING_MASK)) |
| 215 | break; |
| 216 | assert(expr_type & ASN_STRING_NKM_MASK); |
| 217 | /* |
| 218 | * X.691, 9.3.6 |
| 219 | * Not a known-multiplier character string. |
| 220 | */ |
| 221 | return &range_notPERVisible; |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | return NULL; |
| 225 | } |