1 |
root |
1.1 |
#include "EXTERN.h" |
2 |
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#include "perl.h" |
3 |
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#include "XSUB.h" |
4 |
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5 |
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// C99 required |
6 |
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7 |
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enum { |
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// ASN_TAG |
9 |
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ASN_BOOLEAN = 0x01, |
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ASN_INTEGER32 = 0x02, |
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ASN_BIT_STRING = 0x03, |
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ASN_OCTET_STRING = 0x04, |
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ASN_NULL = 0x05, |
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ASN_OBJECT_IDENTIFIER = 0x06, |
15 |
root |
1.3 |
ASN_OID = 0x06, //X |
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ASN_OBJECT_DESCRIPTOR = 0x07, //X |
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ASN_EXTERNAL = 0x08, //X |
18 |
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1.2 |
ASN_REAL = 0x09, //X |
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ASN_ENUMERATED = 0x0a, //X |
20 |
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1.3 |
ASN_EMBEDDED_PDV = 0x0b, //X |
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ASN_UTF8_STRING = 0x0c, //X |
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ASN_RELATIVE_OID = 0x0d, //X |
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1.1 |
ASN_SEQUENCE = 0x10, |
24 |
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1.2 |
ASN_SET = 0x11, //X |
25 |
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1.3 |
ASN_NUMERIC_STRING = 0x12, //X |
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ASN_PRINTABLE_STRING = 0x13, //X |
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ASN_TELETEX_STRING = 0x14, //X |
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ASN_T61_STRING = 0x14, //X |
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ASN_VIDEOTEX_STRING = 0x15, //X |
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ASN_IA5_STRING = 0x16, //X |
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ASN_ASCII_STRING = 0x16, //X |
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1.2 |
ASN_UTC_TIME = 0x17, //X |
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1.3 |
ASN_GENERALIZED_TIME = 0x18, //X |
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ASN_GRAPHIC_STRING = 0x19, //X |
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ASN_VISIBLE_STRING = 0x1a, //X |
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ASN_ISO646_STRING = 0x1a, //X |
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ASN_GENERAL_STRING = 0x1b, //X |
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ASN_UNIVERSAL_STRING = 0x1c, //X |
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ASN_CHARACTER_STRING = 0x1d, //X |
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1.5 |
ASN_BMP_STRING = 0x1e, //X |
41 |
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1.1 |
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ASN_TAG_BER = 0x1f, |
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ASN_TAG_MASK = 0x1f, |
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// primitive/constructed |
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ASN_CONSTRUCTED = 0x20, |
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48 |
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// ASN_CLASS |
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ASN_UNIVERSAL = 0x00, |
50 |
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1.5 |
ASN_APPLICATION = 0x01, |
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ASN_CONTEXT = 0x02, |
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ASN_PRIVATE = 0x03, |
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1.1 |
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ASN_CLASS_MASK = 0xc0, |
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ASN_CLASS_SHIFT = 6, |
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1.2 |
// ASN_APPLICATION SNMP |
58 |
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1.3 |
SNMP_IPADDRESS = 0x00, |
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SNMP_COUNTER32 = 0x01, |
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SNMP_UNSIGNED32 = 0x02, |
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SNMP_TIMETICKS = 0x03, |
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SNMP_OPAQUE = 0x04, |
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SNMP_COUNTER64 = 0x06, |
64 |
root |
1.1 |
}; |
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enum { |
67 |
root |
1.5 |
BER_TYPE_BYTES, |
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BER_TYPE_UTF8, |
69 |
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BER_TYPE_UCS2, |
70 |
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BER_TYPE_UCS4, |
71 |
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BER_TYPE_INT, |
72 |
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BER_TYPE_OID, |
73 |
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BER_TYPE_RELOID, |
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BER_TYPE_NULL, |
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BER_TYPE_BOOL, |
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BER_TYPE_REAL, |
77 |
root |
1.6 |
BER_TYPE_IPADDRESS, |
78 |
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1.5 |
BER_TYPE_CROAK, |
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}; |
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enum { |
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1.1 |
BER_CLASS = 0, |
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BER_TAG = 1, |
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BER_CONSTRUCTED = 2, |
85 |
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BER_DATA = 3, |
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BER_ARRAYSIZE |
87 |
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}; |
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#define MAX_OID_STRLEN 4096 |
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91 |
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1.5 |
typedef void profile_type; |
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93 |
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static profile_type *cur_profile, *default_profile; |
94 |
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1.3 |
static SV *buf_sv; // encoding buffer |
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static U8 *buf, *cur, *end; // buffer start, current, end |
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97 |
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#if __GNUC__ >= 3 |
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# define expect(expr,value) __builtin_expect ((expr), (value)) |
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# define INLINE static inline |
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#else |
101 |
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# define expect(expr,value) (expr) |
102 |
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# define INLINE static |
103 |
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#endif |
104 |
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105 |
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#define expect_false(expr) expect ((expr) != 0, 0) |
106 |
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#define expect_true(expr) expect ((expr) != 0, 1) |
107 |
root |
1.1 |
|
108 |
root |
1.5 |
///////////////////////////////////////////////////////////////////////////// |
109 |
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110 |
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static SV *sviv_cache[32]; |
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112 |
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1.1 |
// for "small" integers, return a readonly sv, otherwise create a new one |
113 |
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static SV *newSVcacheint (int val) |
114 |
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{ |
115 |
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1.5 |
if (expect_false (val < 0 || val >= sizeof (sviv_cache))) |
116 |
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1.1 |
return newSViv (val); |
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118 |
root |
1.5 |
if (expect_false (!sviv_cache [val])) |
119 |
root |
1.1 |
{ |
120 |
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1.5 |
sviv_cache [val] = newSVuv (val); |
121 |
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SvREADONLY_on (sviv_cache [val]); |
122 |
root |
1.1 |
} |
123 |
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124 |
root |
1.5 |
return SvREFCNT_inc_NN (sviv_cache [val]); |
125 |
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} |
126 |
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127 |
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///////////////////////////////////////////////////////////////////////////// |
128 |
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129 |
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static HV *profile_stash; |
130 |
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131 |
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static profile_type * |
132 |
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SvPROFILE (SV *profile) |
133 |
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{ |
134 |
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if (!SvOK (profile)) |
135 |
root |
1.6 |
return default_profile; |
136 |
root |
1.5 |
|
137 |
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if (!SvROK (profile)) |
138 |
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croak ("invalid profile"); |
139 |
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140 |
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profile = SvRV (profile); |
141 |
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142 |
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if (SvSTASH (profile) != profile_stash) |
143 |
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croak ("invalid profile object"); |
144 |
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145 |
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return (void *)profile; |
146 |
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} |
147 |
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148 |
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static int |
149 |
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profile_lookup (profile_type *profile, int klass, int tag) |
150 |
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{ |
151 |
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SV *sv = (SV *)profile; |
152 |
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U32 idx = (tag << 2) + klass; |
153 |
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154 |
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if (expect_false (idx >= SvCUR (sv))) |
155 |
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return BER_TYPE_BYTES; |
156 |
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157 |
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return SvPVX (sv)[idx]; |
158 |
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} |
159 |
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160 |
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static int |
161 |
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profile_set (profile_type *profile, int klass, int tag, int type) |
162 |
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{ |
163 |
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SV *sv = (SV *)profile; |
164 |
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U32 idx = (tag << 2) + klass; |
165 |
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STRLEN oldlen = SvCUR (sv); |
166 |
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STRLEN newlen = idx + 2; |
167 |
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168 |
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if (idx >= oldlen) |
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{ |
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sv_grow (sv, newlen); |
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memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen); |
172 |
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SvCUR_set (sv, newlen); |
173 |
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} |
174 |
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175 |
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SvPVX (sv)[idx] = type; |
176 |
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} |
177 |
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178 |
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static SV * |
179 |
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profile_new () |
180 |
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{ |
181 |
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SV *sv = newSVpvn ("", 0); |
182 |
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183 |
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static const struct { |
184 |
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int klass; |
185 |
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int tag; |
186 |
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int type; |
187 |
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} *celem, default_map[] = { |
188 |
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{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, |
189 |
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{ ASN_UNIVERSAL, ASN_INTEGER32 , BER_TYPE_INT }, |
190 |
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{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, |
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{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, |
192 |
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{ ASN_UNIVERSAL, ASN_OBJECT_DESCRIPTOR, BER_TYPE_OID }, |
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{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, |
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{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, |
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{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
196 |
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{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
197 |
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{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
198 |
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}; |
199 |
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200 |
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for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--) |
201 |
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profile_set ((void *)sv, celem->klass, celem->tag, celem->type); |
202 |
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203 |
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return sv_bless (newRV_noinc (sv), profile_stash); |
204 |
root |
1.1 |
} |
205 |
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206 |
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///////////////////////////////////////////////////////////////////////////// |
207 |
root |
1.3 |
// decoder |
208 |
root |
1.1 |
|
209 |
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static void |
210 |
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error (const char *errmsg) |
211 |
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{ |
212 |
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croak ("%s at offset 0x%04x", errmsg, cur - buf); |
213 |
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} |
214 |
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215 |
root |
1.3 |
static void |
216 |
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want (UV count) |
217 |
root |
1.1 |
{ |
218 |
root |
1.3 |
if (expect_false ((uintptr_t)(end - cur) < count)) |
219 |
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error ("unexpected end of message buffer"); |
220 |
root |
1.1 |
} |
221 |
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222 |
root |
1.2 |
// get_* functions fetch something from the buffer |
223 |
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// decode_* functions use get_* fun ctions to decode ber values |
224 |
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225 |
root |
1.3 |
// get n octets |
226 |
root |
1.1 |
static U8 * |
227 |
root |
1.3 |
get_n (UV count) |
228 |
root |
1.1 |
{ |
229 |
root |
1.3 |
want (count); |
230 |
root |
1.1 |
U8 *res = cur; |
231 |
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cur += count; |
232 |
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return res; |
233 |
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} |
234 |
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235 |
root |
1.3 |
// get single octet |
236 |
root |
1.1 |
static U8 |
237 |
root |
1.2 |
get_u8 (void) |
238 |
root |
1.1 |
{ |
239 |
root |
1.3 |
if (cur == end) |
240 |
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error ("unexpected end of message buffer"); |
241 |
root |
1.1 |
|
242 |
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return *cur++; |
243 |
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} |
244 |
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245 |
root |
1.3 |
// get ber-encoded integer (i.e. pack "w") |
246 |
root |
1.1 |
static U32 |
247 |
root |
1.3 |
get_w (void) |
248 |
root |
1.1 |
{ |
249 |
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U32 res = 0; |
250 |
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251 |
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for (;;) |
252 |
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{ |
253 |
root |
1.2 |
U8 c = get_u8 (); |
254 |
root |
1.1 |
res = (res << 7) | (c & 0x7f); |
255 |
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256 |
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if (!(c & 0x80)) |
257 |
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return res; |
258 |
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} |
259 |
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} |
260 |
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261 |
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static U32 |
262 |
root |
1.2 |
get_length (void) |
263 |
root |
1.1 |
{ |
264 |
root |
1.2 |
U32 res = get_u8 (); |
265 |
root |
1.1 |
|
266 |
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if (res & 0x80) |
267 |
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{ |
268 |
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int cnt = res & 0x7f; |
269 |
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res = 0; |
270 |
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271 |
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switch (cnt) |
272 |
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{ |
273 |
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case 0: |
274 |
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error ("indefinite ASN.1 lengths not supported"); |
275 |
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return 0; |
276 |
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277 |
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default: |
278 |
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error ("ASN.1 length too long"); |
279 |
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return 0; |
280 |
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281 |
root |
1.2 |
case 4: res = (res << 8) | get_u8 (); |
282 |
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case 3: res = (res << 8) | get_u8 (); |
283 |
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case 2: res = (res << 8) | get_u8 (); |
284 |
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case 1: res = (res << 8) | get_u8 (); |
285 |
root |
1.1 |
} |
286 |
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} |
287 |
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288 |
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return res; |
289 |
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} |
290 |
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291 |
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static SV * |
292 |
root |
1.5 |
decode_int () |
293 |
root |
1.1 |
{ |
294 |
root |
1.5 |
int len = get_length (); |
295 |
root |
1.1 |
|
296 |
root |
1.5 |
if (len <= 0) |
297 |
root |
1.1 |
{ |
298 |
root |
1.5 |
error ("integer length equal to zero"); |
299 |
root |
1.1 |
return 0; |
300 |
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} |
301 |
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302 |
root |
1.5 |
U8 *data = get_n (len); |
303 |
root |
1.1 |
|
304 |
root |
1.5 |
int negative = data [0] & 0x80; |
305 |
root |
1.1 |
|
306 |
root |
1.5 |
UV val = negative ? -1 : 0; // copy signbit to all bits |
307 |
root |
1.1 |
|
308 |
root |
1.5 |
do |
309 |
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val = (val << 8) | *data++; |
310 |
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while (--len); |
311 |
root |
1.1 |
|
312 |
root |
1.6 |
// the cast to IV relies on implementation-defined behaviour (two's complement cast) |
313 |
root |
1.5 |
// but that's ok, as perl relies on it as well. |
314 |
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return negative ? newSViv ((IV)val) : newSVuv (val); |
315 |
root |
1.1 |
} |
316 |
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|
317 |
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static SV * |
318 |
root |
1.5 |
decode_data (void) |
319 |
root |
1.1 |
{ |
320 |
root |
1.5 |
U32 len = get_length (); |
321 |
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U8 *data = get_n (len); |
322 |
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return newSVpvn ((char *)data, len); |
323 |
root |
1.1 |
} |
324 |
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|
325 |
root |
1.2 |
// gelper for decode_object_identifier |
326 |
root |
1.1 |
static char * |
327 |
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write_uv (char *buf, U32 u) |
328 |
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{ |
329 |
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// the one-digit case is absolutely predominant, so this pays off (hopefully) |
330 |
root |
1.5 |
if (expect_true (u < 10)) |
331 |
root |
1.1 |
*buf++ = u + '0'; |
332 |
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else |
333 |
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{ |
334 |
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char *beg = buf; |
335 |
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|
336 |
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do |
337 |
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{ |
338 |
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*buf++ = u % 10 + '0'; |
339 |
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u /= 10; |
340 |
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} |
341 |
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while (u); |
342 |
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343 |
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// reverse digits |
344 |
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for (char *ptr = buf; --ptr != beg; ++beg) |
345 |
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{ |
346 |
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char c = *ptr; |
347 |
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*ptr = *beg; |
348 |
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*beg = c; |
349 |
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} |
350 |
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} |
351 |
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352 |
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return buf; |
353 |
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} |
354 |
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|
355 |
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static SV * |
356 |
root |
1.5 |
decode_oid (int relative) |
357 |
root |
1.1 |
{ |
358 |
root |
1.5 |
U32 len = get_length (); |
359 |
root |
1.1 |
|
360 |
root |
1.5 |
if (len <= 0) |
361 |
root |
1.1 |
{ |
362 |
|
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error ("OBJECT IDENTIFIER length equal to zero"); |
363 |
|
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return &PL_sv_undef; |
364 |
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} |
365 |
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|
366 |
root |
1.5 |
U8 *end = cur + len; |
367 |
root |
1.3 |
U32 w = get_w (); |
368 |
root |
1.1 |
|
369 |
|
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static char oid[MAX_OID_STRLEN]; // must be static |
370 |
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char *app = oid; |
371 |
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|
372 |
root |
1.5 |
if (relative) |
373 |
|
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app = write_uv (app, w); |
374 |
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else |
375 |
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{ |
376 |
|
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app = write_uv (app, (U8)w / 40); |
377 |
|
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*app++ = '.'; |
378 |
|
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app = write_uv (app, (U8)w % 40); |
379 |
|
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} |
380 |
root |
1.1 |
|
381 |
|
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// we assume an oid component is never > 64 bytes |
382 |
|
|
while (cur < end && oid + sizeof (oid) - app > 64) |
383 |
|
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{ |
384 |
root |
1.3 |
w = get_w (); |
385 |
root |
1.1 |
*app++ = '.'; |
386 |
|
|
app = write_uv (app, w); |
387 |
|
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} |
388 |
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389 |
|
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return newSVpvn (oid, app - oid); |
390 |
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} |
391 |
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|
392 |
|
|
static SV * |
393 |
root |
1.2 |
decode_ber () |
394 |
root |
1.1 |
{ |
395 |
root |
1.2 |
int identifier = get_u8 (); |
396 |
root |
1.1 |
|
397 |
|
|
SV *res; |
398 |
|
|
|
399 |
root |
1.5 |
int constructed = identifier & ASN_CONSTRUCTED; |
400 |
|
|
int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT; |
401 |
|
|
int tag = identifier & ASN_TAG_MASK; |
402 |
root |
1.1 |
|
403 |
|
|
if (tag == ASN_TAG_BER) |
404 |
root |
1.3 |
tag = get_w (); |
405 |
root |
1.1 |
|
406 |
|
|
if (tag == ASN_TAG_BER) |
407 |
root |
1.3 |
tag = get_w (); |
408 |
root |
1.1 |
|
409 |
|
|
if (constructed) |
410 |
|
|
{ |
411 |
root |
1.2 |
U32 len = get_length (); |
412 |
root |
1.1 |
U32 seqend = (cur - buf) + len; |
413 |
|
|
AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
414 |
|
|
|
415 |
|
|
while (cur < buf + seqend) |
416 |
root |
1.2 |
av_push (av, decode_ber ()); |
417 |
root |
1.1 |
|
418 |
|
|
if (cur > buf + seqend) |
419 |
|
|
croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); |
420 |
|
|
|
421 |
|
|
res = newRV_inc ((SV *)av); |
422 |
|
|
} |
423 |
|
|
else |
424 |
root |
1.5 |
switch (profile_lookup (cur_profile, klass, tag)) |
425 |
root |
1.1 |
{ |
426 |
root |
1.5 |
case BER_TYPE_NULL: |
427 |
root |
1.1 |
res = &PL_sv_undef; |
428 |
|
|
break; |
429 |
|
|
|
430 |
root |
1.5 |
case BER_TYPE_BOOL: |
431 |
|
|
{ |
432 |
|
|
U32 len = get_length (); |
433 |
|
|
|
434 |
|
|
if (len != 1) |
435 |
root |
1.6 |
croak ("BER_TYPE_BOOLEAN type with invalid length %d encountered", len); |
436 |
root |
1.5 |
|
437 |
|
|
res = newSVcacheint (get_u8 () ? 0 : 1); |
438 |
|
|
} |
439 |
|
|
break; |
440 |
|
|
|
441 |
|
|
case BER_TYPE_OID: |
442 |
|
|
res = decode_oid (0); |
443 |
root |
1.1 |
break; |
444 |
|
|
|
445 |
root |
1.5 |
case BER_TYPE_RELOID: |
446 |
|
|
res = decode_oid (1); |
447 |
root |
1.1 |
break; |
448 |
|
|
|
449 |
root |
1.5 |
case BER_TYPE_INT: |
450 |
|
|
res = decode_int (); |
451 |
root |
1.1 |
break; |
452 |
|
|
|
453 |
root |
1.5 |
case BER_TYPE_UTF8: |
454 |
|
|
res = decode_data (); |
455 |
|
|
SvUTF8_on (res); |
456 |
root |
1.1 |
break; |
457 |
|
|
|
458 |
root |
1.5 |
case BER_TYPE_BYTES: |
459 |
|
|
res = decode_data (); |
460 |
root |
1.1 |
break; |
461 |
|
|
|
462 |
root |
1.6 |
case BER_TYPE_IPADDRESS: |
463 |
|
|
{ |
464 |
|
|
U32 len = get_length (); |
465 |
|
|
|
466 |
|
|
if (len != 4) |
467 |
|
|
croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len); |
468 |
|
|
|
469 |
|
|
U8 c1 = get_u8 (); |
470 |
|
|
U8 c2 = get_u8 (); |
471 |
|
|
U8 c3 = get_u8 (); |
472 |
|
|
U8 c4 = get_u8 (); |
473 |
|
|
|
474 |
|
|
res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4); |
475 |
|
|
} |
476 |
|
|
break; |
477 |
|
|
|
478 |
root |
1.5 |
case BER_TYPE_REAL: |
479 |
|
|
case BER_TYPE_UCS2: |
480 |
|
|
case BER_TYPE_UCS4: |
481 |
|
|
case BER_TYPE_CROAK: |
482 |
root |
1.1 |
default: |
483 |
root |
1.5 |
croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
484 |
root |
1.1 |
} |
485 |
|
|
|
486 |
|
|
AV *av = newAV (); |
487 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
488 |
root |
1.5 |
AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass); |
489 |
root |
1.1 |
AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
490 |
|
|
AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0); |
491 |
|
|
AvARRAY (av)[BER_DATA ] = res; |
492 |
|
|
|
493 |
|
|
return newRV_noinc ((SV *)av); |
494 |
|
|
} |
495 |
|
|
|
496 |
root |
1.3 |
///////////////////////////////////////////////////////////////////////////// |
497 |
|
|
// encoder |
498 |
|
|
|
499 |
|
|
/* adds two STRLENs together, slow, and with paranoia */ |
500 |
|
|
static STRLEN |
501 |
|
|
strlen_sum (STRLEN l1, STRLEN l2) |
502 |
|
|
{ |
503 |
|
|
size_t sum = l1 + l2; |
504 |
|
|
|
505 |
|
|
if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
506 |
|
|
croak ("JSON::XS: string size overflow"); |
507 |
|
|
|
508 |
|
|
return sum; |
509 |
|
|
} |
510 |
|
|
|
511 |
|
|
static void |
512 |
|
|
set_buf (SV *sv) |
513 |
|
|
{ |
514 |
|
|
STRLEN len; |
515 |
|
|
buf_sv = sv; |
516 |
|
|
buf = SvPVbyte (buf_sv, len); |
517 |
|
|
cur = buf; |
518 |
|
|
end = buf + len; |
519 |
|
|
} |
520 |
|
|
|
521 |
|
|
/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
522 |
|
|
static char * |
523 |
|
|
my_sv_grow (SV *sv, size_t len1, size_t len2) |
524 |
|
|
{ |
525 |
|
|
len1 = strlen_sum (len1, len2); |
526 |
|
|
len1 = strlen_sum (len1, len1 >> 1); |
527 |
|
|
|
528 |
|
|
if (len1 > 4096 - 24) |
529 |
|
|
len1 = (len1 | 4095) - 24; |
530 |
|
|
|
531 |
|
|
return SvGROW (sv, len1); |
532 |
|
|
} |
533 |
|
|
|
534 |
|
|
static void |
535 |
|
|
need (STRLEN len) |
536 |
|
|
{ |
537 |
|
|
if (expect_false ((uintptr_t)(end - cur) < len)) |
538 |
|
|
{ |
539 |
|
|
STRLEN pos = cur - buf; |
540 |
|
|
buf = my_sv_grow (buf_sv, pos, len); |
541 |
|
|
cur = buf + pos; |
542 |
|
|
end = buf + SvLEN (buf_sv) - 1; |
543 |
|
|
} |
544 |
|
|
} |
545 |
|
|
|
546 |
|
|
static void |
547 |
|
|
put_u8 (int val) |
548 |
|
|
{ |
549 |
|
|
need (1); |
550 |
|
|
*cur++ = val; |
551 |
|
|
} |
552 |
|
|
|
553 |
|
|
static void |
554 |
|
|
put_w_nocheck (U32 val) |
555 |
|
|
{ |
556 |
|
|
*cur = (val >> 7 * 4) | 0x80; cur += val >= (1 << (7 * 4)); |
557 |
|
|
*cur = (val >> 7 * 3) | 0x80; cur += val >= (1 << (7 * 3)); |
558 |
|
|
*cur = (val >> 7 * 2) | 0x80; cur += val >= (1 << (7 * 2)); |
559 |
|
|
*cur = (val >> 7 * 1) | 0x80; cur += val >= (1 << (7 * 1)); |
560 |
|
|
*cur = val & 0x7f; cur += 1; |
561 |
|
|
} |
562 |
|
|
|
563 |
|
|
static void |
564 |
|
|
put_w (U32 val) |
565 |
|
|
{ |
566 |
|
|
need (5); // we only handle up to 5 bytes |
567 |
|
|
|
568 |
|
|
put_w_nocheck (val); |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
static U8 * |
572 |
|
|
put_length_at (U32 val, U8 *cur) |
573 |
|
|
{ |
574 |
|
|
if (val < 0x7fU) |
575 |
|
|
*cur++ = val; |
576 |
|
|
else |
577 |
|
|
{ |
578 |
|
|
U8 *lenb = cur++; |
579 |
|
|
|
580 |
|
|
*cur = val >> 24; cur += *cur > 0; |
581 |
|
|
*cur = val >> 16; cur += *cur > 0; |
582 |
|
|
*cur = val >> 8; cur += *cur > 0; |
583 |
|
|
*cur = val ; cur += 1; |
584 |
|
|
|
585 |
|
|
*lenb = 0x80 + cur - lenb - 1; |
586 |
|
|
} |
587 |
|
|
|
588 |
|
|
return cur; |
589 |
|
|
} |
590 |
|
|
|
591 |
|
|
static void |
592 |
|
|
put_length (U32 val) |
593 |
|
|
{ |
594 |
|
|
need (5); |
595 |
|
|
cur = put_length_at (val, cur); |
596 |
|
|
} |
597 |
|
|
|
598 |
|
|
// return how many bytes the encoded length requires |
599 |
|
|
static int length_length (U32 val) |
600 |
|
|
{ |
601 |
|
|
return val < 0x7fU |
602 |
|
|
? 1 |
603 |
|
|
: 2 + (val > 0xffU) + (val > 0xffffU) + (val > 0xffffffU); |
604 |
|
|
} |
605 |
|
|
|
606 |
|
|
static void |
607 |
root |
1.5 |
encode_data (const char *ptr, STRLEN len) |
608 |
root |
1.3 |
{ |
609 |
|
|
put_length (len); |
610 |
|
|
need (len); |
611 |
|
|
memcpy (cur, ptr, len); |
612 |
|
|
cur += len; |
613 |
|
|
} |
614 |
|
|
|
615 |
|
|
static void |
616 |
root |
1.5 |
encode_uv (UV uv) |
617 |
|
|
{ |
618 |
|
|
} |
619 |
|
|
|
620 |
|
|
static void |
621 |
|
|
encode_int (SV *sv) |
622 |
root |
1.3 |
{ |
623 |
root |
1.5 |
need (8 + 1 + 1); // 64 bit + length + extra 0 |
624 |
|
|
|
625 |
|
|
if (expect_false (!SvIOK (sv))) |
626 |
|
|
sv_2iv_flags (sv, 0); |
627 |
root |
1.3 |
|
628 |
|
|
U8 *lenb = cur++; |
629 |
|
|
|
630 |
root |
1.5 |
if (SvIOK_notUV (sv)) |
631 |
root |
1.3 |
{ |
632 |
root |
1.5 |
IV iv = SvIVX (sv); |
633 |
|
|
|
634 |
|
|
if (expect_false (iv < 0)) |
635 |
|
|
{ |
636 |
|
|
// get two's complement bit pattern - works even on hypothetical non-2c machines |
637 |
|
|
UV uv = iv; |
638 |
|
|
|
639 |
|
|
#if UVSIZE > 4 |
640 |
|
|
*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U); |
641 |
|
|
*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U); |
642 |
|
|
*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U); |
643 |
|
|
*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U); |
644 |
|
|
#endif |
645 |
|
|
*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U); |
646 |
|
|
*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U); |
647 |
|
|
*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U); |
648 |
|
|
*cur = uv ; cur += 1; |
649 |
|
|
|
650 |
|
|
*lenb = cur - lenb - 1; |
651 |
root |
1.3 |
|
652 |
root |
1.5 |
return; |
653 |
|
|
} |
654 |
root |
1.3 |
} |
655 |
|
|
|
656 |
root |
1.5 |
UV uv = SvUV (sv); |
657 |
root |
1.3 |
|
658 |
root |
1.5 |
// prepend an extra 0 if the high bit is 1 |
659 |
|
|
*cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE * 8 - 1))); |
660 |
root |
1.3 |
|
661 |
root |
1.5 |
#if UVSIZE > 4 |
662 |
|
|
*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U); |
663 |
|
|
*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U); |
664 |
|
|
*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U); |
665 |
|
|
*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U); |
666 |
|
|
#endif |
667 |
|
|
*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U); |
668 |
|
|
*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U); |
669 |
|
|
*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U); |
670 |
root |
1.3 |
*cur = uv ; cur += 1; |
671 |
|
|
|
672 |
|
|
*lenb = cur - lenb - 1; |
673 |
|
|
} |
674 |
|
|
|
675 |
|
|
// we don't know the length yet, so we optimistically |
676 |
|
|
// assume the length will need one octet later. if that |
677 |
|
|
// turns out to be wrong, we memove as needed. |
678 |
|
|
// mark the beginning |
679 |
|
|
static STRLEN |
680 |
|
|
len_fixup_mark () |
681 |
|
|
{ |
682 |
|
|
return cur++ - buf; |
683 |
|
|
} |
684 |
|
|
|
685 |
|
|
// patch up the length |
686 |
|
|
static void |
687 |
|
|
len_fixup (STRLEN mark) |
688 |
|
|
{ |
689 |
|
|
STRLEN reallen = (cur - buf) - mark - 1; |
690 |
|
|
int lenlen = length_length (reallen); |
691 |
|
|
|
692 |
|
|
if (expect_false (lenlen > 1)) |
693 |
|
|
{ |
694 |
|
|
// bad luck, we have to shift the bytes to make room for the length |
695 |
|
|
need (5); |
696 |
|
|
memmove (buf + mark + lenlen, buf + mark + 1, reallen); |
697 |
|
|
cur += lenlen - 1; |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
put_length_at (reallen, buf + mark); |
701 |
|
|
} |
702 |
|
|
|
703 |
|
|
static char * |
704 |
|
|
read_uv (char *str, UV *uv) |
705 |
|
|
{ |
706 |
|
|
UV r = 0; |
707 |
|
|
|
708 |
|
|
while (*str >= '0') |
709 |
|
|
r = r * 10 + *str++ - '0'; |
710 |
|
|
|
711 |
|
|
*uv = r; |
712 |
|
|
|
713 |
|
|
str += !!*str; // advance over any non-zero byte |
714 |
|
|
|
715 |
|
|
return str; |
716 |
|
|
} |
717 |
|
|
|
718 |
|
|
static void |
719 |
root |
1.5 |
encode_oid (SV *oid, int relative) |
720 |
root |
1.3 |
{ |
721 |
root |
1.5 |
STRLEN len; |
722 |
|
|
char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter |
723 |
root |
1.3 |
|
724 |
|
|
// we need at most as many octets as the string form |
725 |
root |
1.5 |
need (len + 1); |
726 |
root |
1.3 |
STRLEN mark = len_fixup_mark (); |
727 |
|
|
|
728 |
|
|
UV w1, w2; |
729 |
|
|
|
730 |
root |
1.5 |
if (!relative) |
731 |
|
|
{ |
732 |
|
|
ptr = read_uv (ptr, &w1); |
733 |
|
|
ptr = read_uv (ptr, &w2); |
734 |
root |
1.3 |
|
735 |
root |
1.5 |
put_w_nocheck (w1 * 40 + w2); |
736 |
|
|
} |
737 |
root |
1.3 |
|
738 |
|
|
while (*ptr) |
739 |
|
|
{ |
740 |
|
|
ptr = read_uv (ptr, &w1); |
741 |
|
|
put_w_nocheck (w1); |
742 |
|
|
} |
743 |
|
|
|
744 |
|
|
len_fixup (mark); |
745 |
|
|
} |
746 |
|
|
|
747 |
root |
1.5 |
// check whether an SV is a BER tuple and returns its AV * |
748 |
root |
1.4 |
static AV * |
749 |
|
|
ber_tuple (SV *tuple) |
750 |
root |
1.3 |
{ |
751 |
root |
1.4 |
SV *rv; |
752 |
|
|
|
753 |
|
|
if (expect_false (!SvROK (tuple) || SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV)) |
754 |
root |
1.3 |
croak ("BER tuple must be array-reference"); |
755 |
|
|
|
756 |
root |
1.4 |
if (expect_false (SvRMAGICAL (rv))) |
757 |
|
|
croak ("BER tuple must not be tied"); |
758 |
root |
1.3 |
|
759 |
root |
1.4 |
if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1)) |
760 |
|
|
croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1); |
761 |
root |
1.3 |
|
762 |
root |
1.4 |
return (AV *)rv; |
763 |
|
|
} |
764 |
|
|
|
765 |
|
|
static void |
766 |
|
|
encode_ber (SV *tuple) |
767 |
|
|
{ |
768 |
|
|
AV *av = ber_tuple (tuple); |
769 |
root |
1.3 |
|
770 |
|
|
int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
771 |
|
|
int tag = SvIV (AvARRAY (av)[BER_TAG]); |
772 |
|
|
int constructed = SvIV (AvARRAY (av)[BER_CONSTRUCTED]) ? ASN_CONSTRUCTED : 0; |
773 |
|
|
SV *data = AvARRAY (av)[BER_DATA]; |
774 |
|
|
|
775 |
|
|
int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
776 |
|
|
|
777 |
|
|
if (expect_false (tag >= ASN_TAG_BER)) |
778 |
|
|
{ |
779 |
|
|
put_u8 (identifier | ASN_TAG_BER); |
780 |
|
|
put_w (tag); |
781 |
|
|
} |
782 |
|
|
else |
783 |
|
|
put_u8 (identifier | tag); |
784 |
|
|
|
785 |
|
|
if (constructed) |
786 |
|
|
{ |
787 |
|
|
// we optimistically assume that only one length byte is needed |
788 |
|
|
// and adjust later |
789 |
|
|
need (1); |
790 |
|
|
STRLEN mark = len_fixup_mark (); |
791 |
|
|
|
792 |
|
|
if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV)) |
793 |
|
|
croak ("BER constructed data must be array-reference"); |
794 |
|
|
|
795 |
|
|
AV *av = (AV *)SvRV (data); |
796 |
|
|
int fill = AvFILL (av); |
797 |
|
|
|
798 |
|
|
if (expect_false (SvRMAGICAL (av))) |
799 |
|
|
croak ("BER constructed data must not be tied"); |
800 |
|
|
|
801 |
|
|
for (int i = 0; i <= fill; ++i) |
802 |
|
|
encode_ber (AvARRAY (av)[i]); |
803 |
|
|
|
804 |
|
|
len_fixup (mark); |
805 |
|
|
} |
806 |
|
|
else |
807 |
root |
1.5 |
switch (profile_lookup (cur_profile, klass, tag)) |
808 |
root |
1.3 |
{ |
809 |
root |
1.5 |
case BER_TYPE_NULL: |
810 |
root |
1.3 |
put_length (0); |
811 |
|
|
break; |
812 |
|
|
|
813 |
root |
1.5 |
case BER_TYPE_BOOL: |
814 |
|
|
put_length (1); |
815 |
|
|
put_u8 (SvTRUE (data) ? 0xff : 0x00); |
816 |
root |
1.3 |
break; |
817 |
|
|
|
818 |
root |
1.5 |
case BER_TYPE_OID: |
819 |
|
|
encode_oid (data, 0); |
820 |
root |
1.3 |
break; |
821 |
|
|
|
822 |
root |
1.5 |
case BER_TYPE_RELOID: |
823 |
|
|
encode_oid (data, 1); |
824 |
root |
1.3 |
break; |
825 |
|
|
|
826 |
root |
1.5 |
case BER_TYPE_INT: |
827 |
|
|
encode_int (data); |
828 |
|
|
break; |
829 |
|
|
|
830 |
|
|
case BER_TYPE_BYTES: |
831 |
|
|
{ |
832 |
|
|
STRLEN len; |
833 |
|
|
const char *ptr = SvPVbyte (data, len); |
834 |
|
|
encode_data (ptr, len); |
835 |
|
|
} |
836 |
|
|
break; |
837 |
|
|
|
838 |
|
|
case BER_TYPE_UTF8: |
839 |
|
|
{ |
840 |
|
|
STRLEN len; |
841 |
|
|
const char *ptr = SvPVutf8 (data, len); |
842 |
|
|
encode_data (ptr, len); |
843 |
|
|
} |
844 |
|
|
break; |
845 |
|
|
|
846 |
root |
1.6 |
case BER_TYPE_IPADDRESS: |
847 |
|
|
{ |
848 |
|
|
U8 ip[4]; |
849 |
|
|
sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3); |
850 |
|
|
encode_data ((const char *)ip, sizeof (ip)); |
851 |
|
|
} |
852 |
|
|
break; |
853 |
|
|
|
854 |
root |
1.5 |
case BER_TYPE_REAL: |
855 |
|
|
case BER_TYPE_UCS2: |
856 |
|
|
case BER_TYPE_UCS4: |
857 |
|
|
case BER_TYPE_CROAK: |
858 |
root |
1.3 |
default: |
859 |
root |
1.5 |
croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
860 |
root |
1.3 |
} |
861 |
|
|
|
862 |
|
|
} |
863 |
|
|
|
864 |
|
|
///////////////////////////////////////////////////////////////////////////// |
865 |
|
|
|
866 |
root |
1.1 |
MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS |
867 |
|
|
|
868 |
|
|
PROTOTYPES: ENABLE |
869 |
|
|
|
870 |
|
|
BOOT: |
871 |
|
|
{ |
872 |
|
|
HV *stash = gv_stashpv ("Convert::BER::XS", 1); |
873 |
|
|
|
874 |
root |
1.5 |
profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1); |
875 |
|
|
|
876 |
root |
1.1 |
static const struct { |
877 |
|
|
const char *name; |
878 |
|
|
IV iv; |
879 |
|
|
} *civ, const_iv[] = { |
880 |
root |
1.5 |
#define const_iv(name) { # name, name }, |
881 |
|
|
const_iv (ASN_BOOLEAN) |
882 |
|
|
const_iv (ASN_INTEGER32) |
883 |
|
|
const_iv (ASN_BIT_STRING) |
884 |
|
|
const_iv (ASN_OCTET_STRING) |
885 |
|
|
const_iv (ASN_NULL) |
886 |
|
|
const_iv (ASN_OBJECT_IDENTIFIER) |
887 |
|
|
const_iv (ASN_OBJECT_DESCRIPTOR) |
888 |
|
|
const_iv (ASN_OID) |
889 |
|
|
const_iv (ASN_EXTERNAL) |
890 |
|
|
const_iv (ASN_REAL) |
891 |
|
|
const_iv (ASN_SEQUENCE) |
892 |
|
|
const_iv (ASN_ENUMERATED) |
893 |
|
|
const_iv (ASN_EMBEDDED_PDV) |
894 |
|
|
const_iv (ASN_UTF8_STRING) |
895 |
|
|
const_iv (ASN_RELATIVE_OID) |
896 |
|
|
const_iv (ASN_SET) |
897 |
|
|
const_iv (ASN_NUMERIC_STRING) |
898 |
|
|
const_iv (ASN_PRINTABLE_STRING) |
899 |
|
|
const_iv (ASN_TELETEX_STRING) |
900 |
|
|
const_iv (ASN_T61_STRING) |
901 |
|
|
const_iv (ASN_VIDEOTEX_STRING) |
902 |
|
|
const_iv (ASN_IA5_STRING) |
903 |
|
|
const_iv (ASN_ASCII_STRING) |
904 |
|
|
const_iv (ASN_UTC_TIME) |
905 |
|
|
const_iv (ASN_GENERALIZED_TIME) |
906 |
|
|
const_iv (ASN_GRAPHIC_STRING) |
907 |
|
|
const_iv (ASN_VISIBLE_STRING) |
908 |
|
|
const_iv (ASN_ISO646_STRING) |
909 |
|
|
const_iv (ASN_GENERAL_STRING) |
910 |
|
|
const_iv (ASN_UNIVERSAL_STRING) |
911 |
|
|
const_iv (ASN_CHARACTER_STRING) |
912 |
|
|
const_iv (ASN_BMP_STRING) |
913 |
|
|
|
914 |
|
|
const_iv (ASN_UNIVERSAL) |
915 |
|
|
const_iv (ASN_APPLICATION) |
916 |
|
|
const_iv (ASN_CONTEXT) |
917 |
|
|
const_iv (ASN_PRIVATE) |
918 |
|
|
|
919 |
|
|
const_iv (BER_CLASS) |
920 |
|
|
const_iv (BER_TAG) |
921 |
|
|
const_iv (BER_CONSTRUCTED) |
922 |
|
|
const_iv (BER_DATA) |
923 |
|
|
|
924 |
|
|
const_iv (BER_TYPE_BYTES) |
925 |
|
|
const_iv (BER_TYPE_UTF8) |
926 |
|
|
const_iv (BER_TYPE_UCS2) |
927 |
|
|
const_iv (BER_TYPE_UCS4) |
928 |
|
|
const_iv (BER_TYPE_INT) |
929 |
|
|
const_iv (BER_TYPE_OID) |
930 |
|
|
const_iv (BER_TYPE_RELOID) |
931 |
|
|
const_iv (BER_TYPE_NULL) |
932 |
|
|
const_iv (BER_TYPE_BOOL) |
933 |
|
|
const_iv (BER_TYPE_REAL) |
934 |
root |
1.6 |
const_iv (BER_TYPE_IPADDRESS) |
935 |
root |
1.5 |
const_iv (BER_TYPE_CROAK) |
936 |
|
|
|
937 |
|
|
const_iv (SNMP_IPADDRESS) |
938 |
|
|
const_iv (SNMP_COUNTER32) |
939 |
|
|
const_iv (SNMP_UNSIGNED32) |
940 |
|
|
const_iv (SNMP_TIMETICKS) |
941 |
|
|
const_iv (SNMP_OPAQUE) |
942 |
|
|
const_iv (SNMP_COUNTER64) |
943 |
root |
1.1 |
}; |
944 |
|
|
|
945 |
|
|
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
946 |
|
|
newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
947 |
|
|
} |
948 |
|
|
|
949 |
|
|
SV * |
950 |
root |
1.5 |
ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
951 |
root |
1.1 |
CODE: |
952 |
|
|
{ |
953 |
root |
1.5 |
cur_profile = SvPROFILE (profile); |
954 |
root |
1.3 |
STRLEN len; |
955 |
root |
1.1 |
buf = SvPVbyte (ber, len); |
956 |
|
|
cur = buf; |
957 |
root |
1.3 |
end = buf + len; |
958 |
root |
1.1 |
|
959 |
root |
1.2 |
RETVAL = decode_ber (); |
960 |
root |
1.1 |
} |
961 |
|
|
OUTPUT: RETVAL |
962 |
|
|
|
963 |
|
|
void |
964 |
|
|
ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *constructed = &PL_sv_undef, SV *data = &PL_sv_undef) |
965 |
|
|
PPCODE: |
966 |
|
|
{ |
967 |
|
|
if (!SvOK (tuple)) |
968 |
|
|
XSRETURN_NO; |
969 |
|
|
|
970 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
971 |
root |
1.4 |
croak ("ber_is: tuple must be BER tuple (array-ref)"); |
972 |
root |
1.1 |
|
973 |
|
|
AV *av = (AV *)SvRV (tuple); |
974 |
|
|
|
975 |
|
|
XPUSHs ( |
976 |
|
|
(!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass)) |
977 |
|
|
&& (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
978 |
|
|
&& (!SvOK (constructed) || !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed)) |
979 |
|
|
&& (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
980 |
root |
1.4 |
? &PL_sv_yes : &PL_sv_undef); |
981 |
root |
1.1 |
} |
982 |
|
|
|
983 |
|
|
void |
984 |
|
|
ber_is_seq (SV *tuple) |
985 |
|
|
PPCODE: |
986 |
|
|
{ |
987 |
|
|
if (!SvOK (tuple)) |
988 |
|
|
XSRETURN_UNDEF; |
989 |
|
|
|
990 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
991 |
root |
1.1 |
|
992 |
|
|
XPUSHs ( |
993 |
|
|
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
994 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
995 |
|
|
&& SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
996 |
|
|
? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
997 |
|
|
} |
998 |
|
|
|
999 |
|
|
void |
1000 |
root |
1.4 |
ber_is_i32 (SV *tuple, SV *value = &PL_sv_undef) |
1001 |
root |
1.1 |
PPCODE: |
1002 |
|
|
{ |
1003 |
|
|
if (!SvOK (tuple)) |
1004 |
|
|
XSRETURN_NO; |
1005 |
|
|
|
1006 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
1007 |
root |
1.1 |
|
1008 |
root |
1.4 |
IV data = SvIV (AvARRAY (av)[BER_DATA]); |
1009 |
root |
1.1 |
|
1010 |
|
|
XPUSHs ( |
1011 |
root |
1.4 |
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1012 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32 |
1013 |
|
|
&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1014 |
|
|
&& (!SvOK (value) || data == SvIV (value)) |
1015 |
|
|
? sv_2mortal (data ? newSViv (data) : newSVpv ("0 but true", 0)) |
1016 |
|
|
: &PL_sv_undef); |
1017 |
root |
1.1 |
} |
1018 |
|
|
|
1019 |
|
|
void |
1020 |
root |
1.4 |
ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) |
1021 |
root |
1.1 |
PPCODE: |
1022 |
|
|
{ |
1023 |
|
|
if (!SvOK (tuple)) |
1024 |
|
|
XSRETURN_NO; |
1025 |
|
|
|
1026 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
1027 |
root |
1.1 |
|
1028 |
|
|
XPUSHs ( |
1029 |
|
|
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
1030 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
1031 |
|
|
&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
1032 |
root |
1.4 |
&& (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) |
1033 |
|
|
? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); |
1034 |
root |
1.1 |
} |
1035 |
|
|
|
1036 |
root |
1.3 |
############################################################################# |
1037 |
|
|
|
1038 |
|
|
void |
1039 |
root |
1.5 |
ber_encode (SV *tuple, SV *profile = &PL_sv_undef) |
1040 |
root |
1.3 |
PPCODE: |
1041 |
|
|
{ |
1042 |
root |
1.5 |
cur_profile = SvPROFILE (profile); |
1043 |
root |
1.3 |
buf_sv = sv_2mortal (NEWSV (0, 256)); |
1044 |
|
|
SvPOK_only (buf_sv); |
1045 |
|
|
set_buf (buf_sv); |
1046 |
|
|
|
1047 |
|
|
encode_ber (tuple); |
1048 |
|
|
|
1049 |
|
|
SvCUR_set (buf_sv, cur - buf); |
1050 |
|
|
XPUSHs (buf_sv); |
1051 |
|
|
} |
1052 |
|
|
|
1053 |
root |
1.4 |
SV * |
1054 |
|
|
ber_i32 (IV iv) |
1055 |
|
|
CODE: |
1056 |
|
|
{ |
1057 |
|
|
AV *av = newAV (); |
1058 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
1059 |
|
|
AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); |
1060 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER32); |
1061 |
|
|
AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (0); |
1062 |
|
|
AvARRAY (av)[BER_DATA ] = newSViv (iv); |
1063 |
|
|
RETVAL = newRV_noinc ((SV *)av); |
1064 |
|
|
} |
1065 |
|
|
OUTPUT: RETVAL |
1066 |
|
|
|
1067 |
|
|
# TODO: not arrayref, but elements? |
1068 |
|
|
SV * |
1069 |
|
|
ber_seq (SV *arrayref) |
1070 |
|
|
CODE: |
1071 |
|
|
{ |
1072 |
|
|
AV *av = newAV (); |
1073 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
1074 |
|
|
AvARRAY (av)[BER_CLASS ] = newSVcacheint (ASN_UNIVERSAL); |
1075 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); |
1076 |
|
|
AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (1); |
1077 |
|
|
AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); |
1078 |
|
|
RETVAL = newRV_noinc ((SV *)av); |
1079 |
|
|
} |
1080 |
|
|
OUTPUT: RETVAL |
1081 |
|
|
|
1082 |
root |
1.5 |
MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile |
1083 |
|
|
|
1084 |
|
|
SV * |
1085 |
|
|
new (SV *klass) |
1086 |
|
|
CODE: |
1087 |
|
|
RETVAL = profile_new (); |
1088 |
|
|
OUTPUT: RETVAL |
1089 |
|
|
|
1090 |
root |
1.6 |
void |
1091 |
|
|
set (SV *profile, int klass, int tag, int type) |
1092 |
|
|
CODE: |
1093 |
|
|
profile_set (SvPROFILE (profile), klass, tag, type); |
1094 |
|
|
|
1095 |
|
|
IV |
1096 |
|
|
get (SV *profile, int klass, int tag) |
1097 |
|
|
CODE: |
1098 |
|
|
RETVAL = profile_lookup (SvPROFILE (profile), klass, tag); |
1099 |
|
|
OUTPUT: RETVAL |
1100 |
|
|
|
1101 |
|
|
void |
1102 |
|
|
_set_default (SV *profile) |
1103 |
|
|
CODE: |
1104 |
|
|
default_profile = SvPROFILE (profile); |
1105 |
|
|
|
1106 |
|
|
|