| #include "asn1fix_internal.h" |
| #include "asn1fix_crange.h" |
| |
| /* |
| * Check that a specific constraint is compatible |
| * with the given expression type. |
| */ |
| int |
| asn1constraint_compatible(asn1p_expr_type_e expr_type, |
| enum asn1p_constraint_type_e constr_type, int fbless_SIZE) { |
| |
| if(expr_type == ASN_BASIC_REAL) |
| return -1; /* Not yet supported */ |
| |
| /* |
| * X.680-0207, Table 9. |
| */ |
| |
| switch(constr_type) { |
| case ACT_INVALID: |
| return 0; |
| case ACT_EL_TYPE: |
| return 1; |
| case ACT_EL_VALUE: |
| return 1; |
| case ACT_EL_RANGE: |
| case ACT_EL_LLRANGE: |
| case ACT_EL_RLRANGE: |
| case ACT_EL_ULRANGE: |
| switch(expr_type) { |
| case ASN_BASIC_ENUMERATED: |
| case ASN_BASIC_BOOLEAN: |
| /* |
| * The ValueRange constraint is not formally |
| * applicable to the above types. However, we |
| * support it just fine. |
| */ |
| /* Fall through */ |
| case ASN_BASIC_INTEGER: |
| case ASN_BASIC_REAL: |
| return 1; |
| default: |
| if(expr_type & ASN_STRING_MASK) |
| return 1; |
| } |
| return 0; |
| case ACT_EL_EXT: |
| return -1; |
| case ACT_CT_FROM: |
| if(expr_type & ASN_STRING_MASK) |
| return 1; |
| return 0; |
| case ACT_CT_SIZE: |
| switch(expr_type) { |
| case ASN_BASIC_INTEGER: |
| case ASN_BASIC_ENUMERATED: |
| if(fbless_SIZE) |
| return 1; |
| break; |
| case ASN_BASIC_BIT_STRING: |
| case ASN_BASIC_OCTET_STRING: |
| case ASN_BASIC_CHARACTER_STRING: |
| case ASN_CONSTR_SEQUENCE_OF: |
| case ASN_CONSTR_SET_OF: |
| return 1; |
| default: |
| if(expr_type & ASN_STRING_MASK) |
| return 1; |
| } |
| return 0; |
| case ACT_CT_WCOMP: |
| case ACT_CT_WCOMPS: |
| switch(expr_type) { |
| case A1TC_INSTANCE: |
| case ASN_BASIC_EXTERNAL: |
| case ASN_BASIC_EMBEDDED_PDV: |
| case ASN_BASIC_REAL: |
| case ASN_BASIC_CHARACTER_STRING: |
| case ASN_CONSTR_CHOICE: |
| case ASN_CONSTR_SEQUENCE: |
| case ASN_CONSTR_SEQUENCE_OF: |
| case ASN_CONSTR_SET: |
| case ASN_CONSTR_SET_OF: |
| return 1; |
| default: break; |
| } |
| return 0; |
| case ACT_CT_CTDBY: |
| return 1; |
| case ACT_CT_CTNG: /* X.682, #11 */ |
| switch(expr_type) { |
| case ASN_BASIC_OCTET_STRING: |
| case ASN_BASIC_BIT_STRING: |
| return 1; |
| default: |
| return 0; |
| } |
| case ACT_CT_PATTERN: |
| if(expr_type & ASN_STRING_MASK) |
| return 1; |
| return 0; |
| case ACT_CA_SET: |
| case ACT_CA_CRC: |
| case ACT_CA_CSV: |
| case ACT_CA_UNI: |
| case ACT_CA_INT: |
| case ACT_CA_EXC: |
| case ACT_CA_AEX: |
| return 1; |
| } |
| |
| return -1; |
| } |
| |
| |
| #define DECL_RANGE(foo, val1, val2, pv) \ |
| static asn1cnst_range_t range_ ## foo = { \ |
| { ARE_VALUE, 0, val1 }, \ |
| { ARE_VALUE, 0, val2 }, \ |
| 0, 0, 0, 0, 0, 0, pv } |
| |
| #define DECL(foo, val1, val2) DECL_RANGE(foo, val1, val2, 0) |
| #define DECL_notPV(foo, val1, val2) DECL_RANGE(foo, val1, val2, 1) |
| |
| asn1cnst_range_t * |
| asn1constraint_default_alphabet(asn1p_expr_type_e expr_type) { |
| DECL_notPV(octstr, 0x00, 0xff); /* Not PER-visible */ |
| DECL_notPV(utf8, 0x00, 0x7fffffff); /* Not PER-visible */ |
| DECL(bmp, 0x00, 65533); /* 64K-2 cells */ |
| DECL(uint7, 0x00, 0x7f); |
| DECL(uint32, 0x00, 0xffffffff); |
| DECL(Space, 0x20, 0x20); |
| DECL(ApostropheAndParens, 0x27, 0x29); |
| DECL(PlusTillColon, 0x2b, 0x3a); |
| DECL(Equal, 0x3d, 0x3d); |
| DECL(QuestionMark, 0x3f, 0x3f); |
| DECL(Digits, 0x30, 0x39); |
| DECL(AlphaCap, 0x41, 0x5a); |
| DECL(AlphaLow, 0x61, 0x7a); |
| DECL(PlusCommaMinusDot, 0x2b, 0x2e); |
| DECL(Plus, 0x2b, 0x2b); |
| DECL(MinusDot, 0x2d, 0x2e); |
| DECL(Z, 0x5a, 0x5a); |
| static asn1cnst_range_t *range_NumericString_array[] = { |
| &range_Space, &range_Digits }; |
| static asn1cnst_range_t *range_PrintableString_array[] = { |
| &range_Space, |
| &range_ApostropheAndParens, |
| &range_PlusTillColon, |
| &range_Equal, |
| &range_QuestionMark, |
| &range_AlphaCap, |
| &range_AlphaLow |
| }; |
| static asn1cnst_range_t *range_UTCTime_array[] = { |
| &range_Plus, &range_MinusDot, &range_Digits, &range_Z }; |
| static asn1cnst_range_t *range_GeneralizedTime_array[] = { |
| &range_PlusCommaMinusDot, &range_Digits, &range_Z }; |
| |
| static asn1cnst_range_t range_notPERVisible = { |
| { ARE_MIN, 0, 0 }, |
| { ARE_MAX, 0, 0 }, |
| 0, 0, 0, 0, 0, 0, 1 }; |
| static asn1cnst_range_t range_NumericString = { |
| { ARE_VALUE, 0, 0x20 }, |
| { ARE_VALUE, 0, 0x39 }, |
| range_NumericString_array, |
| sizeof(range_NumericString_array) |
| /sizeof(range_NumericString_array[0]), |
| 0, 0, 0, 0, 0 }; |
| static asn1cnst_range_t range_PrintableString = { |
| { ARE_VALUE, 0, 0x20 }, |
| { ARE_VALUE, 0, 0x7a }, |
| range_PrintableString_array, |
| sizeof(range_PrintableString_array) |
| /sizeof(range_PrintableString_array[0]), |
| 0, 0, 0, 0, 0 }; |
| static asn1cnst_range_t range_VisibleString = { |
| { ARE_VALUE, 0, 0x20 }, |
| { ARE_VALUE, 0, 0x7e }, |
| 0, 0, 0, 0, 0, 0, 0 }; |
| static asn1cnst_range_t range_UTCTime = { |
| { ARE_VALUE, 0, 0x2b }, |
| { ARE_VALUE, 0, 0x5a }, |
| range_UTCTime_array, |
| sizeof(range_UTCTime_array) |
| /sizeof(range_UTCTime_array[0]), |
| 0, 0, 0, 0, 1 }; |
| static asn1cnst_range_t range_GeneralizedTime = { |
| { ARE_VALUE, 0, 0x2b }, |
| { ARE_VALUE, 0, 0x5a }, |
| range_GeneralizedTime_array, |
| sizeof(range_GeneralizedTime_array) |
| /sizeof(range_GeneralizedTime_array[0]), |
| 0, 0, 0, 0, 1 }; |
| |
| switch(expr_type) { |
| case ASN_STRING_NumericString: |
| return &range_NumericString; |
| case ASN_STRING_PrintableString: |
| return &range_PrintableString; |
| case ASN_STRING_VisibleString: |
| return &range_VisibleString; |
| case ASN_STRING_IA5String: |
| return &range_uint7; |
| case ASN_STRING_BMPString: |
| return &range_bmp; |
| case ASN_STRING_UTF8String: |
| /* |
| * X.691, #9.3.6 |
| * Not a known-multipler character string type. |
| */ |
| assert(range_utf8.not_PER_visible); |
| return &range_utf8; |
| case ASN_STRING_UniversalString: |
| return &range_uint32; |
| case ASN_BASIC_UTCTime: |
| /* Permitted alphabet constraint is not applicable */ |
| assert(range_UTCTime.not_PER_visible); |
| return &range_UTCTime; |
| case ASN_BASIC_GeneralizedTime: |
| /* Permitted alphabet constraint is not applicable */ |
| assert(range_GeneralizedTime.not_PER_visible); |
| return &range_GeneralizedTime; |
| case ASN_BASIC_OCTET_STRING: |
| /* |
| * Permitted alphabet constraint is not applicable |
| * to this type. However, we support it, albeit not |
| * in a strict PER mode. |
| */ |
| assert(range_octstr.not_PER_visible); |
| return &range_octstr; |
| default: |
| if(!(expr_type & ASN_STRING_MASK)) |
| break; |
| assert(expr_type & ASN_STRING_NKM_MASK); |
| /* |
| * X.691, 9.3.6 |
| * Not a known-multiplier character string. |
| */ |
| return &range_notPERVisible; |
| } |
| |
| return NULL; |
| } |