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 |
root |
1.12 |
// C99 required! |
6 |
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// this is not just for comments, but also for |
7 |
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// integer constant semantics, |
8 |
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// sscanf format modifiers and more. |
9 |
root |
1.1 |
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10 |
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enum { |
11 |
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// ASN_TAG |
12 |
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ASN_BOOLEAN = 0x01, |
13 |
root |
1.15 |
ASN_INTEGER = 0x02, |
14 |
root |
1.1 |
ASN_BIT_STRING = 0x03, |
15 |
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ASN_OCTET_STRING = 0x04, |
16 |
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ASN_NULL = 0x05, |
17 |
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ASN_OBJECT_IDENTIFIER = 0x06, |
18 |
root |
1.8 |
ASN_OID = 0x06, |
19 |
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ASN_OBJECT_DESCRIPTOR = 0x07, |
20 |
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ASN_EXTERNAL = 0x08, |
21 |
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ASN_REAL = 0x09, |
22 |
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ASN_ENUMERATED = 0x0a, |
23 |
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ASN_EMBEDDED_PDV = 0x0b, |
24 |
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ASN_UTF8_STRING = 0x0c, |
25 |
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ASN_RELATIVE_OID = 0x0d, |
26 |
root |
1.1 |
ASN_SEQUENCE = 0x10, |
27 |
root |
1.8 |
ASN_SET = 0x11, |
28 |
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ASN_NUMERIC_STRING = 0x12, |
29 |
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ASN_PRINTABLE_STRING = 0x13, |
30 |
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ASN_TELETEX_STRING = 0x14, |
31 |
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ASN_T61_STRING = 0x14, |
32 |
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ASN_VIDEOTEX_STRING = 0x15, |
33 |
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ASN_IA5_STRING = 0x16, |
34 |
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ASN_ASCII_STRING = 0x16, |
35 |
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ASN_UTC_TIME = 0x17, |
36 |
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ASN_GENERALIZED_TIME = 0x18, |
37 |
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ASN_GRAPHIC_STRING = 0x19, |
38 |
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ASN_VISIBLE_STRING = 0x1a, |
39 |
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ASN_ISO646_STRING = 0x1a, |
40 |
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ASN_GENERAL_STRING = 0x1b, |
41 |
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ASN_UNIVERSAL_STRING = 0x1c, |
42 |
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ASN_CHARACTER_STRING = 0x1d, |
43 |
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ASN_BMP_STRING = 0x1e, |
44 |
root |
1.1 |
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45 |
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ASN_TAG_BER = 0x1f, |
46 |
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ASN_TAG_MASK = 0x1f, |
47 |
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48 |
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// primitive/constructed |
49 |
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ASN_CONSTRUCTED = 0x20, |
50 |
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51 |
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// ASN_CLASS |
52 |
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ASN_UNIVERSAL = 0x00, |
53 |
root |
1.5 |
ASN_APPLICATION = 0x01, |
54 |
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ASN_CONTEXT = 0x02, |
55 |
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ASN_PRIVATE = 0x03, |
56 |
root |
1.1 |
|
57 |
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ASN_CLASS_MASK = 0xc0, |
58 |
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ASN_CLASS_SHIFT = 6, |
59 |
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60 |
root |
1.2 |
// ASN_APPLICATION SNMP |
61 |
root |
1.3 |
SNMP_IPADDRESS = 0x00, |
62 |
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SNMP_COUNTER32 = 0x01, |
63 |
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SNMP_UNSIGNED32 = 0x02, |
64 |
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SNMP_TIMETICKS = 0x03, |
65 |
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SNMP_OPAQUE = 0x04, |
66 |
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SNMP_COUNTER64 = 0x06, |
67 |
root |
1.1 |
}; |
68 |
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69 |
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enum { |
70 |
root |
1.5 |
BER_TYPE_BYTES, |
71 |
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BER_TYPE_UTF8, |
72 |
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BER_TYPE_UCS2, |
73 |
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BER_TYPE_UCS4, |
74 |
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BER_TYPE_INT, |
75 |
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BER_TYPE_OID, |
76 |
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BER_TYPE_RELOID, |
77 |
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BER_TYPE_NULL, |
78 |
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BER_TYPE_BOOL, |
79 |
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BER_TYPE_REAL, |
80 |
root |
1.6 |
BER_TYPE_IPADDRESS, |
81 |
root |
1.5 |
BER_TYPE_CROAK, |
82 |
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}; |
83 |
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84 |
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enum { |
85 |
root |
1.16 |
BER_CLASS = 0, |
86 |
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BER_TAG = 1, |
87 |
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BER_FLAGS = 2, |
88 |
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BER_DATA = 3, |
89 |
root |
1.1 |
BER_ARRAYSIZE |
90 |
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}; |
91 |
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92 |
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#define MAX_OID_STRLEN 4096 |
93 |
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94 |
root |
1.5 |
typedef void profile_type; |
95 |
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96 |
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static profile_type *cur_profile, *default_profile; |
97 |
root |
1.3 |
static SV *buf_sv; // encoding buffer |
98 |
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static U8 *buf, *cur, *end; // buffer start, current, end |
99 |
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100 |
root |
1.9 |
#if PERL_VERSION < 18 |
101 |
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# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l) |
102 |
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#endif |
103 |
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104 |
root |
1.3 |
#if __GNUC__ >= 3 |
105 |
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# define expect(expr,value) __builtin_expect ((expr), (value)) |
106 |
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# define INLINE static inline |
107 |
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#else |
108 |
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# define expect(expr,value) (expr) |
109 |
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# define INLINE static |
110 |
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#endif |
111 |
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112 |
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#define expect_false(expr) expect ((expr) != 0, 0) |
113 |
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#define expect_true(expr) expect ((expr) != 0, 1) |
114 |
root |
1.1 |
|
115 |
root |
1.5 |
///////////////////////////////////////////////////////////////////////////// |
116 |
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117 |
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static SV *sviv_cache[32]; |
118 |
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119 |
root |
1.1 |
// for "small" integers, return a readonly sv, otherwise create a new one |
120 |
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static SV *newSVcacheint (int val) |
121 |
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{ |
122 |
root |
1.5 |
if (expect_false (val < 0 || val >= sizeof (sviv_cache))) |
123 |
root |
1.1 |
return newSViv (val); |
124 |
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125 |
root |
1.5 |
if (expect_false (!sviv_cache [val])) |
126 |
root |
1.1 |
{ |
127 |
root |
1.5 |
sviv_cache [val] = newSVuv (val); |
128 |
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SvREADONLY_on (sviv_cache [val]); |
129 |
root |
1.1 |
} |
130 |
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131 |
root |
1.5 |
return SvREFCNT_inc_NN (sviv_cache [val]); |
132 |
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} |
133 |
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134 |
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///////////////////////////////////////////////////////////////////////////// |
135 |
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136 |
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static HV *profile_stash; |
137 |
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138 |
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static profile_type * |
139 |
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SvPROFILE (SV *profile) |
140 |
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{ |
141 |
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if (!SvOK (profile)) |
142 |
root |
1.6 |
return default_profile; |
143 |
root |
1.5 |
|
144 |
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if (!SvROK (profile)) |
145 |
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croak ("invalid profile"); |
146 |
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147 |
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profile = SvRV (profile); |
148 |
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149 |
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if (SvSTASH (profile) != profile_stash) |
150 |
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croak ("invalid profile object"); |
151 |
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152 |
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return (void *)profile; |
153 |
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} |
154 |
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155 |
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static int |
156 |
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profile_lookup (profile_type *profile, int klass, int tag) |
157 |
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{ |
158 |
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SV *sv = (SV *)profile; |
159 |
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U32 idx = (tag << 2) + klass; |
160 |
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161 |
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if (expect_false (idx >= SvCUR (sv))) |
162 |
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return BER_TYPE_BYTES; |
163 |
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164 |
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return SvPVX (sv)[idx]; |
165 |
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} |
166 |
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167 |
root |
1.10 |
static void |
168 |
root |
1.5 |
profile_set (profile_type *profile, int klass, int tag, int type) |
169 |
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{ |
170 |
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SV *sv = (SV *)profile; |
171 |
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U32 idx = (tag << 2) + klass; |
172 |
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STRLEN oldlen = SvCUR (sv); |
173 |
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STRLEN newlen = idx + 2; |
174 |
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175 |
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if (idx >= oldlen) |
176 |
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{ |
177 |
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sv_grow (sv, newlen); |
178 |
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memset (SvPVX (sv) + oldlen, BER_TYPE_BYTES, newlen - oldlen); |
179 |
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SvCUR_set (sv, newlen); |
180 |
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} |
181 |
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182 |
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SvPVX (sv)[idx] = type; |
183 |
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} |
184 |
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185 |
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static SV * |
186 |
root |
1.14 |
profile_new (void) |
187 |
root |
1.5 |
{ |
188 |
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SV *sv = newSVpvn ("", 0); |
189 |
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190 |
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static const struct { |
191 |
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int klass; |
192 |
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int tag; |
193 |
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int type; |
194 |
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} *celem, default_map[] = { |
195 |
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{ ASN_UNIVERSAL, ASN_BOOLEAN , BER_TYPE_BOOL }, |
196 |
root |
1.15 |
{ ASN_UNIVERSAL, ASN_INTEGER , BER_TYPE_INT }, |
197 |
root |
1.5 |
{ ASN_UNIVERSAL, ASN_NULL , BER_TYPE_NULL }, |
198 |
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{ ASN_UNIVERSAL, ASN_OBJECT_IDENTIFIER, BER_TYPE_OID }, |
199 |
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{ ASN_UNIVERSAL, ASN_RELATIVE_OID , BER_TYPE_RELOID }, |
200 |
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{ ASN_UNIVERSAL, ASN_REAL , BER_TYPE_REAL }, |
201 |
root |
1.13 |
{ ASN_UNIVERSAL, ASN_ENUMERATED , BER_TYPE_INT }, |
202 |
root |
1.5 |
{ ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, |
203 |
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{ ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, |
204 |
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{ ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, |
205 |
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}; |
206 |
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207 |
root |
1.11 |
for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; ) |
208 |
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profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type); |
209 |
root |
1.5 |
|
210 |
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return sv_bless (newRV_noinc (sv), profile_stash); |
211 |
root |
1.1 |
} |
212 |
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213 |
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///////////////////////////////////////////////////////////////////////////// |
214 |
root |
1.3 |
// decoder |
215 |
root |
1.1 |
|
216 |
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static void |
217 |
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error (const char *errmsg) |
218 |
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{ |
219 |
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croak ("%s at offset 0x%04x", errmsg, cur - buf); |
220 |
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} |
221 |
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222 |
root |
1.3 |
static void |
223 |
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want (UV count) |
224 |
root |
1.1 |
{ |
225 |
root |
1.3 |
if (expect_false ((uintptr_t)(end - cur) < count)) |
226 |
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error ("unexpected end of message buffer"); |
227 |
root |
1.1 |
} |
228 |
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229 |
root |
1.2 |
// get_* functions fetch something from the buffer |
230 |
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// decode_* functions use get_* fun ctions to decode ber values |
231 |
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232 |
root |
1.3 |
// get n octets |
233 |
root |
1.1 |
static U8 * |
234 |
root |
1.3 |
get_n (UV count) |
235 |
root |
1.1 |
{ |
236 |
root |
1.3 |
want (count); |
237 |
root |
1.1 |
U8 *res = cur; |
238 |
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cur += count; |
239 |
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return res; |
240 |
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} |
241 |
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242 |
root |
1.3 |
// get single octet |
243 |
root |
1.1 |
static U8 |
244 |
root |
1.2 |
get_u8 (void) |
245 |
root |
1.1 |
{ |
246 |
root |
1.3 |
if (cur == end) |
247 |
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error ("unexpected end of message buffer"); |
248 |
root |
1.1 |
|
249 |
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return *cur++; |
250 |
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} |
251 |
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252 |
root |
1.3 |
// get ber-encoded integer (i.e. pack "w") |
253 |
root |
1.15 |
static UV |
254 |
root |
1.3 |
get_w (void) |
255 |
root |
1.1 |
{ |
256 |
root |
1.15 |
UV res = 0; |
257 |
root |
1.1 |
|
258 |
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for (;;) |
259 |
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{ |
260 |
root |
1.2 |
U8 c = get_u8 (); |
261 |
root |
1.1 |
res = (res << 7) | (c & 0x7f); |
262 |
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263 |
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if (!(c & 0x80)) |
264 |
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return res; |
265 |
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} |
266 |
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} |
267 |
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|
268 |
root |
1.15 |
static UV |
269 |
root |
1.2 |
get_length (void) |
270 |
root |
1.1 |
{ |
271 |
root |
1.15 |
UV res = get_u8 (); |
272 |
root |
1.1 |
|
273 |
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if (res & 0x80) |
274 |
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{ |
275 |
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int cnt = res & 0x7f; |
276 |
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res = 0; |
277 |
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278 |
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switch (cnt) |
279 |
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{ |
280 |
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case 0: |
281 |
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error ("indefinite ASN.1 lengths not supported"); |
282 |
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return 0; |
283 |
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284 |
root |
1.18 |
//case 0x80: // indefinite length |
285 |
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286 |
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//case 0xff: reserved |
287 |
root |
1.1 |
default: |
288 |
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error ("ASN.1 length too long"); |
289 |
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return 0; |
290 |
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291 |
root |
1.15 |
case 8: res = (res << 8) | get_u8 (); |
292 |
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case 7: res = (res << 8) | get_u8 (); |
293 |
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case 6: res = (res << 8) | get_u8 (); |
294 |
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case 5: res = (res << 8) | get_u8 (); |
295 |
root |
1.2 |
case 4: res = (res << 8) | get_u8 (); |
296 |
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case 3: res = (res << 8) | get_u8 (); |
297 |
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case 2: res = (res << 8) | get_u8 (); |
298 |
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case 1: res = (res << 8) | get_u8 (); |
299 |
root |
1.1 |
} |
300 |
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} |
301 |
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302 |
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return res; |
303 |
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} |
304 |
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305 |
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static SV * |
306 |
root |
1.14 |
decode_int (void) |
307 |
root |
1.1 |
{ |
308 |
root |
1.15 |
UV len = get_length (); |
309 |
root |
1.1 |
|
310 |
root |
1.15 |
if (!len) |
311 |
root |
1.1 |
{ |
312 |
root |
1.15 |
error ("invalid integer length equal to zero"); |
313 |
root |
1.1 |
return 0; |
314 |
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} |
315 |
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|
316 |
root |
1.5 |
U8 *data = get_n (len); |
317 |
root |
1.1 |
|
318 |
root |
1.5 |
int negative = data [0] & 0x80; |
319 |
root |
1.1 |
|
320 |
root |
1.5 |
UV val = negative ? -1 : 0; // copy signbit to all bits |
321 |
root |
1.1 |
|
322 |
root |
1.5 |
do |
323 |
|
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val = (val << 8) | *data++; |
324 |
|
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while (--len); |
325 |
root |
1.1 |
|
326 |
root |
1.6 |
// the cast to IV relies on implementation-defined behaviour (two's complement cast) |
327 |
root |
1.5 |
// but that's ok, as perl relies on it as well. |
328 |
|
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return negative ? newSViv ((IV)val) : newSVuv (val); |
329 |
root |
1.1 |
} |
330 |
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|
331 |
|
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static SV * |
332 |
root |
1.5 |
decode_data (void) |
333 |
root |
1.1 |
{ |
334 |
root |
1.15 |
UV len = get_length (); |
335 |
|
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return newSVpvn ((char *)get_n (len), len); |
336 |
root |
1.1 |
} |
337 |
|
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|
338 |
root |
1.15 |
// helper for decode_object_identifier |
339 |
root |
1.1 |
static char * |
340 |
root |
1.15 |
write_uv (char *buf, UV u) |
341 |
root |
1.1 |
{ |
342 |
|
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// the one-digit case is absolutely predominant, so this pays off (hopefully) |
343 |
root |
1.5 |
if (expect_true (u < 10)) |
344 |
root |
1.1 |
*buf++ = u + '0'; |
345 |
|
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else |
346 |
|
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{ |
347 |
root |
1.15 |
// this *could* be done much faster using branchless fixed-point arithmetics |
348 |
root |
1.1 |
char *beg = buf; |
349 |
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|
350 |
|
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do |
351 |
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{ |
352 |
|
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*buf++ = u % 10 + '0'; |
353 |
|
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u /= 10; |
354 |
|
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} |
355 |
|
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while (u); |
356 |
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|
357 |
|
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// reverse digits |
358 |
root |
1.11 |
char *ptr = buf; |
359 |
root |
1.13 |
while (--ptr > beg) |
360 |
root |
1.1 |
{ |
361 |
|
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char c = *ptr; |
362 |
|
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*ptr = *beg; |
363 |
|
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*beg = c; |
364 |
root |
1.11 |
++beg; |
365 |
root |
1.1 |
} |
366 |
|
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} |
367 |
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|
368 |
|
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return buf; |
369 |
|
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} |
370 |
|
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|
371 |
|
|
static SV * |
372 |
root |
1.5 |
decode_oid (int relative) |
373 |
root |
1.1 |
{ |
374 |
root |
1.15 |
UV len = get_length (); |
375 |
root |
1.1 |
|
376 |
root |
1.5 |
if (len <= 0) |
377 |
root |
1.1 |
{ |
378 |
|
|
error ("OBJECT IDENTIFIER length equal to zero"); |
379 |
|
|
return &PL_sv_undef; |
380 |
|
|
} |
381 |
|
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|
382 |
root |
1.5 |
U8 *end = cur + len; |
383 |
root |
1.15 |
UV w = get_w (); |
384 |
root |
1.1 |
|
385 |
root |
1.13 |
static char oid[MAX_OID_STRLEN]; // static, becaueds too large for stack |
386 |
root |
1.1 |
char *app = oid; |
387 |
|
|
|
388 |
root |
1.5 |
if (relative) |
389 |
|
|
app = write_uv (app, w); |
390 |
root |
1.18 |
else if (w < 2 * 40) |
391 |
root |
1.5 |
{ |
392 |
|
|
app = write_uv (app, (U8)w / 40); |
393 |
|
|
*app++ = '.'; |
394 |
|
|
app = write_uv (app, (U8)w % 40); |
395 |
|
|
} |
396 |
root |
1.18 |
else |
397 |
|
|
{ |
398 |
|
|
app = write_uv (app, 2); |
399 |
|
|
*app++ = '.'; |
400 |
|
|
app = write_uv (app, w - 2 * 40); |
401 |
|
|
} |
402 |
root |
1.1 |
|
403 |
root |
1.13 |
while (cur < end) |
404 |
root |
1.1 |
{ |
405 |
root |
1.13 |
// we assume an oid component is never > 64 digits |
406 |
|
|
if (oid + sizeof (oid) - app < 64) |
407 |
|
|
croak ("BER_TYPE_OID to long to decode"); |
408 |
|
|
|
409 |
root |
1.3 |
w = get_w (); |
410 |
root |
1.1 |
*app++ = '.'; |
411 |
|
|
app = write_uv (app, w); |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
return newSVpvn (oid, app - oid); |
415 |
|
|
} |
416 |
|
|
|
417 |
root |
1.7 |
// TODO: this is unacceptably slow |
418 |
|
|
static SV * |
419 |
|
|
decode_ucs (int chrsize) |
420 |
|
|
{ |
421 |
|
|
SV *res = NEWSV (0, 0); |
422 |
|
|
|
423 |
root |
1.15 |
UV len = get_length (); |
424 |
root |
1.7 |
|
425 |
|
|
if (len & (chrsize - 1)) |
426 |
|
|
croak ("BER_TYPE_UCS has an invalid number of octets (%d)", len); |
427 |
|
|
|
428 |
|
|
while (len) |
429 |
|
|
{ |
430 |
|
|
U8 b1 = get_u8 (); |
431 |
|
|
U8 b2 = get_u8 (); |
432 |
|
|
U32 chr = (b1 << 8) | b2; |
433 |
|
|
|
434 |
|
|
if (chrsize == 4) |
435 |
|
|
{ |
436 |
|
|
U8 b3 = get_u8 (); |
437 |
|
|
U8 b4 = get_u8 (); |
438 |
|
|
chr = (chr << 16) | (b3 << 8) | b4; |
439 |
|
|
} |
440 |
|
|
|
441 |
|
|
U8 uchr [UTF8_MAXBYTES]; |
442 |
|
|
int uclen = uvuni_to_utf8 (uchr, chr) - uchr; |
443 |
|
|
|
444 |
|
|
sv_catpvn (res, (const char *)uchr, uclen); |
445 |
|
|
len -= chrsize; |
446 |
|
|
} |
447 |
|
|
|
448 |
|
|
SvUTF8_on (res); |
449 |
|
|
|
450 |
|
|
return res; |
451 |
|
|
} |
452 |
|
|
|
453 |
root |
1.1 |
static SV * |
454 |
root |
1.14 |
decode_ber (void) |
455 |
root |
1.1 |
{ |
456 |
root |
1.2 |
int identifier = get_u8 (); |
457 |
root |
1.1 |
|
458 |
|
|
SV *res; |
459 |
|
|
|
460 |
root |
1.5 |
int constructed = identifier & ASN_CONSTRUCTED; |
461 |
|
|
int klass = (identifier & ASN_CLASS_MASK) >> ASN_CLASS_SHIFT; |
462 |
|
|
int tag = identifier & ASN_TAG_MASK; |
463 |
root |
1.1 |
|
464 |
|
|
if (tag == ASN_TAG_BER) |
465 |
root |
1.3 |
tag = get_w (); |
466 |
root |
1.1 |
|
467 |
|
|
if (tag == ASN_TAG_BER) |
468 |
root |
1.3 |
tag = get_w (); |
469 |
root |
1.1 |
|
470 |
|
|
if (constructed) |
471 |
|
|
{ |
472 |
root |
1.15 |
UV len = get_length (); |
473 |
|
|
UV seqend = (cur - buf) + len; |
474 |
root |
1.1 |
AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
475 |
|
|
|
476 |
|
|
while (cur < buf + seqend) |
477 |
root |
1.2 |
av_push (av, decode_ber ()); |
478 |
root |
1.1 |
|
479 |
|
|
if (cur > buf + seqend) |
480 |
|
|
croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); |
481 |
|
|
|
482 |
|
|
res = newRV_inc ((SV *)av); |
483 |
|
|
} |
484 |
|
|
else |
485 |
root |
1.5 |
switch (profile_lookup (cur_profile, klass, tag)) |
486 |
root |
1.1 |
{ |
487 |
root |
1.5 |
case BER_TYPE_NULL: |
488 |
root |
1.13 |
{ |
489 |
root |
1.15 |
UV len = get_length (); |
490 |
root |
1.13 |
|
491 |
|
|
if (len) |
492 |
|
|
croak ("BER_TYPE_NULL value with non-zero length %d encountered", len); |
493 |
|
|
|
494 |
|
|
res = &PL_sv_undef; |
495 |
|
|
} |
496 |
root |
1.1 |
break; |
497 |
|
|
|
498 |
root |
1.5 |
case BER_TYPE_BOOL: |
499 |
|
|
{ |
500 |
root |
1.15 |
UV len = get_length (); |
501 |
root |
1.5 |
|
502 |
|
|
if (len != 1) |
503 |
root |
1.13 |
croak ("BER_TYPE_BOOLEAN value with invalid length %d encountered", len); |
504 |
root |
1.5 |
|
505 |
root |
1.13 |
res = newSVcacheint (!!get_u8 ()); |
506 |
root |
1.5 |
} |
507 |
|
|
break; |
508 |
|
|
|
509 |
|
|
case BER_TYPE_OID: |
510 |
|
|
res = decode_oid (0); |
511 |
root |
1.1 |
break; |
512 |
|
|
|
513 |
root |
1.5 |
case BER_TYPE_RELOID: |
514 |
|
|
res = decode_oid (1); |
515 |
root |
1.1 |
break; |
516 |
|
|
|
517 |
root |
1.5 |
case BER_TYPE_INT: |
518 |
|
|
res = decode_int (); |
519 |
root |
1.1 |
break; |
520 |
|
|
|
521 |
root |
1.5 |
case BER_TYPE_UTF8: |
522 |
|
|
res = decode_data (); |
523 |
|
|
SvUTF8_on (res); |
524 |
root |
1.1 |
break; |
525 |
|
|
|
526 |
root |
1.5 |
case BER_TYPE_BYTES: |
527 |
|
|
res = decode_data (); |
528 |
root |
1.1 |
break; |
529 |
|
|
|
530 |
root |
1.6 |
case BER_TYPE_IPADDRESS: |
531 |
|
|
{ |
532 |
root |
1.15 |
UV len = get_length (); |
533 |
root |
1.6 |
|
534 |
|
|
if (len != 4) |
535 |
|
|
croak ("BER_TYPE_IPADDRESS type with invalid length %d encountered", len); |
536 |
|
|
|
537 |
|
|
U8 c1 = get_u8 (); |
538 |
|
|
U8 c2 = get_u8 (); |
539 |
|
|
U8 c3 = get_u8 (); |
540 |
|
|
U8 c4 = get_u8 (); |
541 |
|
|
|
542 |
|
|
res = newSVpvf ("%d.%d.%d.%d", c1, c2, c3, c4); |
543 |
|
|
} |
544 |
|
|
break; |
545 |
|
|
|
546 |
root |
1.5 |
case BER_TYPE_UCS2: |
547 |
root |
1.7 |
res = decode_ucs (2); |
548 |
|
|
break; |
549 |
|
|
|
550 |
root |
1.5 |
case BER_TYPE_UCS4: |
551 |
root |
1.7 |
res = decode_ucs (4); |
552 |
|
|
break; |
553 |
|
|
|
554 |
|
|
case BER_TYPE_REAL: |
555 |
root |
1.5 |
case BER_TYPE_CROAK: |
556 |
root |
1.1 |
default: |
557 |
root |
1.5 |
croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
558 |
root |
1.1 |
} |
559 |
|
|
|
560 |
|
|
AV *av = newAV (); |
561 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
562 |
root |
1.16 |
AvARRAY (av)[BER_CLASS] = newSVcacheint (klass); |
563 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
564 |
|
|
AvARRAY (av)[BER_FLAGS] = newSVcacheint (constructed ? 1 : 0); |
565 |
|
|
AvARRAY (av)[BER_DATA ] = res; |
566 |
root |
1.1 |
|
567 |
|
|
return newRV_noinc ((SV *)av); |
568 |
|
|
} |
569 |
|
|
|
570 |
root |
1.3 |
///////////////////////////////////////////////////////////////////////////// |
571 |
|
|
// encoder |
572 |
|
|
|
573 |
|
|
/* adds two STRLENs together, slow, and with paranoia */ |
574 |
|
|
static STRLEN |
575 |
|
|
strlen_sum (STRLEN l1, STRLEN l2) |
576 |
|
|
{ |
577 |
|
|
size_t sum = l1 + l2; |
578 |
|
|
|
579 |
|
|
if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
580 |
|
|
croak ("JSON::XS: string size overflow"); |
581 |
|
|
|
582 |
|
|
return sum; |
583 |
|
|
} |
584 |
|
|
|
585 |
|
|
static void |
586 |
|
|
set_buf (SV *sv) |
587 |
|
|
{ |
588 |
|
|
STRLEN len; |
589 |
|
|
buf_sv = sv; |
590 |
root |
1.10 |
buf = (U8 *)SvPVbyte (buf_sv, len); |
591 |
root |
1.3 |
cur = buf; |
592 |
|
|
end = buf + len; |
593 |
|
|
} |
594 |
|
|
|
595 |
|
|
/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
596 |
|
|
static char * |
597 |
|
|
my_sv_grow (SV *sv, size_t len1, size_t len2) |
598 |
|
|
{ |
599 |
|
|
len1 = strlen_sum (len1, len2); |
600 |
|
|
len1 = strlen_sum (len1, len1 >> 1); |
601 |
|
|
|
602 |
|
|
if (len1 > 4096 - 24) |
603 |
|
|
len1 = (len1 | 4095) - 24; |
604 |
|
|
|
605 |
|
|
return SvGROW (sv, len1); |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
static void |
609 |
|
|
need (STRLEN len) |
610 |
|
|
{ |
611 |
|
|
if (expect_false ((uintptr_t)(end - cur) < len)) |
612 |
|
|
{ |
613 |
|
|
STRLEN pos = cur - buf; |
614 |
root |
1.10 |
buf = (U8 *)my_sv_grow (buf_sv, pos, len); |
615 |
root |
1.3 |
cur = buf + pos; |
616 |
|
|
end = buf + SvLEN (buf_sv) - 1; |
617 |
|
|
} |
618 |
|
|
} |
619 |
|
|
|
620 |
|
|
static void |
621 |
|
|
put_u8 (int val) |
622 |
|
|
{ |
623 |
|
|
need (1); |
624 |
|
|
*cur++ = val; |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
static void |
628 |
root |
1.15 |
put_w_nocheck (UV val) |
629 |
root |
1.3 |
{ |
630 |
root |
1.15 |
#if UVSIZE > 4 |
631 |
|
|
*cur = (val >> 7 * 9) | 0x80; cur += val >= ((UV)1 << (7 * 9)); |
632 |
|
|
*cur = (val >> 7 * 8) | 0x80; cur += val >= ((UV)1 << (7 * 8)); |
633 |
|
|
*cur = (val >> 7 * 7) | 0x80; cur += val >= ((UV)1 << (7 * 7)); |
634 |
|
|
*cur = (val >> 7 * 6) | 0x80; cur += val >= ((UV)1 << (7 * 6)); |
635 |
|
|
*cur = (val >> 7 * 5) | 0x80; cur += val >= ((UV)1 << (7 * 5)); |
636 |
|
|
#endif |
637 |
|
|
*cur = (val >> 7 * 4) | 0x80; cur += val >= ((UV)1 << (7 * 4)); |
638 |
|
|
*cur = (val >> 7 * 3) | 0x80; cur += val >= ((UV)1 << (7 * 3)); |
639 |
|
|
*cur = (val >> 7 * 2) | 0x80; cur += val >= ((UV)1 << (7 * 2)); |
640 |
|
|
*cur = (val >> 7 * 1) | 0x80; cur += val >= ((UV)1 << (7 * 1)); |
641 |
root |
1.3 |
*cur = val & 0x7f; cur += 1; |
642 |
|
|
} |
643 |
|
|
|
644 |
|
|
static void |
645 |
root |
1.15 |
put_w (UV val) |
646 |
root |
1.3 |
{ |
647 |
|
|
need (5); // we only handle up to 5 bytes |
648 |
|
|
|
649 |
|
|
put_w_nocheck (val); |
650 |
|
|
} |
651 |
|
|
|
652 |
|
|
static U8 * |
653 |
root |
1.15 |
put_length_at (UV val, U8 *cur) |
654 |
root |
1.3 |
{ |
655 |
|
|
if (val < 0x7fU) |
656 |
|
|
*cur++ = val; |
657 |
|
|
else |
658 |
|
|
{ |
659 |
|
|
U8 *lenb = cur++; |
660 |
|
|
|
661 |
root |
1.15 |
#if UVSIZE > 4 |
662 |
|
|
*cur = val >> 56; cur += *cur > 0; |
663 |
|
|
*cur = val >> 48; cur += *cur > 0; |
664 |
|
|
*cur = val >> 40; cur += *cur > 0; |
665 |
|
|
*cur = val >> 32; cur += *cur > 0; |
666 |
|
|
#endif |
667 |
root |
1.3 |
*cur = val >> 24; cur += *cur > 0; |
668 |
|
|
*cur = val >> 16; cur += *cur > 0; |
669 |
|
|
*cur = val >> 8; cur += *cur > 0; |
670 |
|
|
*cur = val ; cur += 1; |
671 |
|
|
|
672 |
|
|
*lenb = 0x80 + cur - lenb - 1; |
673 |
|
|
} |
674 |
|
|
|
675 |
|
|
return cur; |
676 |
|
|
} |
677 |
|
|
|
678 |
|
|
static void |
679 |
root |
1.15 |
put_length (UV val) |
680 |
root |
1.3 |
{ |
681 |
root |
1.7 |
need (5 + val); |
682 |
root |
1.3 |
cur = put_length_at (val, cur); |
683 |
|
|
} |
684 |
|
|
|
685 |
|
|
// return how many bytes the encoded length requires |
686 |
root |
1.15 |
static int length_length (UV val) |
687 |
root |
1.3 |
{ |
688 |
|
|
return val < 0x7fU |
689 |
|
|
? 1 |
690 |
root |
1.15 |
: 2 |
691 |
|
|
+ (val > 0xffU) |
692 |
|
|
+ (val > 0xffffU) |
693 |
|
|
+ (val > 0xffffffU) |
694 |
|
|
#if UVSIZE > 4 |
695 |
|
|
+ (val > 0xffffffffU) |
696 |
|
|
+ (val > 0xffffffffffU) |
697 |
|
|
+ (val > 0xffffffffffffU) |
698 |
|
|
+ (val > 0xffffffffffffffU) |
699 |
|
|
#endif |
700 |
|
|
; |
701 |
root |
1.3 |
} |
702 |
|
|
|
703 |
|
|
static void |
704 |
root |
1.5 |
encode_data (const char *ptr, STRLEN len) |
705 |
root |
1.3 |
{ |
706 |
|
|
put_length (len); |
707 |
|
|
memcpy (cur, ptr, len); |
708 |
|
|
cur += len; |
709 |
|
|
} |
710 |
|
|
|
711 |
|
|
static void |
712 |
root |
1.5 |
encode_uv (UV uv) |
713 |
|
|
{ |
714 |
|
|
} |
715 |
|
|
|
716 |
|
|
static void |
717 |
|
|
encode_int (SV *sv) |
718 |
root |
1.3 |
{ |
719 |
root |
1.5 |
need (8 + 1 + 1); // 64 bit + length + extra 0 |
720 |
|
|
|
721 |
|
|
if (expect_false (!SvIOK (sv))) |
722 |
|
|
sv_2iv_flags (sv, 0); |
723 |
root |
1.3 |
|
724 |
|
|
U8 *lenb = cur++; |
725 |
|
|
|
726 |
root |
1.5 |
if (SvIOK_notUV (sv)) |
727 |
root |
1.3 |
{ |
728 |
root |
1.5 |
IV iv = SvIVX (sv); |
729 |
|
|
|
730 |
|
|
if (expect_false (iv < 0)) |
731 |
|
|
{ |
732 |
|
|
// get two's complement bit pattern - works even on hypothetical non-2c machines |
733 |
|
|
UV uv = iv; |
734 |
|
|
|
735 |
|
|
#if UVSIZE > 4 |
736 |
|
|
*cur = uv >> 56; cur += !!(~uv & 0xff80000000000000U); |
737 |
|
|
*cur = uv >> 48; cur += !!(~uv & 0xffff800000000000U); |
738 |
|
|
*cur = uv >> 40; cur += !!(~uv & 0xffffff8000000000U); |
739 |
|
|
*cur = uv >> 32; cur += !!(~uv & 0xffffffff80000000U); |
740 |
|
|
#endif |
741 |
|
|
*cur = uv >> 24; cur += !!(~uv & 0xffffffffff800000U); |
742 |
|
|
*cur = uv >> 16; cur += !!(~uv & 0xffffffffffff8000U); |
743 |
|
|
*cur = uv >> 8; cur += !!(~uv & 0xffffffffffffff80U); |
744 |
|
|
*cur = uv ; cur += 1; |
745 |
|
|
|
746 |
|
|
*lenb = cur - lenb - 1; |
747 |
root |
1.3 |
|
748 |
root |
1.5 |
return; |
749 |
|
|
} |
750 |
root |
1.3 |
} |
751 |
|
|
|
752 |
root |
1.5 |
UV uv = SvUV (sv); |
753 |
root |
1.3 |
|
754 |
root |
1.5 |
// prepend an extra 0 if the high bit is 1 |
755 |
|
|
*cur = 0; cur += !!(uv & ((UV)1 << (UVSIZE * 8 - 1))); |
756 |
root |
1.3 |
|
757 |
root |
1.5 |
#if UVSIZE > 4 |
758 |
|
|
*cur = uv >> 56; cur += !!(uv & 0xff80000000000000U); |
759 |
|
|
*cur = uv >> 48; cur += !!(uv & 0xffff800000000000U); |
760 |
|
|
*cur = uv >> 40; cur += !!(uv & 0xffffff8000000000U); |
761 |
|
|
*cur = uv >> 32; cur += !!(uv & 0xffffffff80000000U); |
762 |
|
|
#endif |
763 |
|
|
*cur = uv >> 24; cur += !!(uv & 0xffffffffff800000U); |
764 |
|
|
*cur = uv >> 16; cur += !!(uv & 0xffffffffffff8000U); |
765 |
|
|
*cur = uv >> 8; cur += !!(uv & 0xffffffffffffff80U); |
766 |
root |
1.3 |
*cur = uv ; cur += 1; |
767 |
|
|
|
768 |
|
|
*lenb = cur - lenb - 1; |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
// we don't know the length yet, so we optimistically |
772 |
root |
1.15 |
// assume the length will need one octet later. If that |
773 |
|
|
// turns out to be wrong, we memmove as needed. |
774 |
root |
1.3 |
// mark the beginning |
775 |
|
|
static STRLEN |
776 |
root |
1.14 |
len_fixup_mark (void) |
777 |
root |
1.3 |
{ |
778 |
|
|
return cur++ - buf; |
779 |
|
|
} |
780 |
|
|
|
781 |
|
|
// patch up the length |
782 |
|
|
static void |
783 |
|
|
len_fixup (STRLEN mark) |
784 |
|
|
{ |
785 |
|
|
STRLEN reallen = (cur - buf) - mark - 1; |
786 |
|
|
int lenlen = length_length (reallen); |
787 |
|
|
|
788 |
|
|
if (expect_false (lenlen > 1)) |
789 |
|
|
{ |
790 |
|
|
// bad luck, we have to shift the bytes to make room for the length |
791 |
|
|
need (5); |
792 |
|
|
memmove (buf + mark + lenlen, buf + mark + 1, reallen); |
793 |
|
|
cur += lenlen - 1; |
794 |
|
|
} |
795 |
|
|
|
796 |
|
|
put_length_at (reallen, buf + mark); |
797 |
|
|
} |
798 |
|
|
|
799 |
|
|
static char * |
800 |
|
|
read_uv (char *str, UV *uv) |
801 |
|
|
{ |
802 |
|
|
UV r = 0; |
803 |
|
|
|
804 |
|
|
while (*str >= '0') |
805 |
|
|
r = r * 10 + *str++ - '0'; |
806 |
|
|
|
807 |
|
|
*uv = r; |
808 |
|
|
|
809 |
|
|
str += !!*str; // advance over any non-zero byte |
810 |
|
|
|
811 |
|
|
return str; |
812 |
|
|
} |
813 |
|
|
|
814 |
|
|
static void |
815 |
root |
1.5 |
encode_oid (SV *oid, int relative) |
816 |
root |
1.3 |
{ |
817 |
root |
1.5 |
STRLEN len; |
818 |
|
|
char *ptr = SvPV (oid, len); // utf8 vs. bytes does not matter |
819 |
root |
1.3 |
|
820 |
|
|
// we need at most as many octets as the string form |
821 |
root |
1.5 |
need (len + 1); |
822 |
root |
1.3 |
STRLEN mark = len_fixup_mark (); |
823 |
|
|
|
824 |
|
|
UV w1, w2; |
825 |
|
|
|
826 |
root |
1.5 |
if (!relative) |
827 |
|
|
{ |
828 |
|
|
ptr = read_uv (ptr, &w1); |
829 |
|
|
ptr = read_uv (ptr, &w2); |
830 |
root |
1.3 |
|
831 |
root |
1.5 |
put_w_nocheck (w1 * 40 + w2); |
832 |
|
|
} |
833 |
root |
1.3 |
|
834 |
|
|
while (*ptr) |
835 |
|
|
{ |
836 |
|
|
ptr = read_uv (ptr, &w1); |
837 |
|
|
put_w_nocheck (w1); |
838 |
|
|
} |
839 |
|
|
|
840 |
|
|
len_fixup (mark); |
841 |
|
|
} |
842 |
|
|
|
843 |
root |
1.5 |
// check whether an SV is a BER tuple and returns its AV * |
844 |
root |
1.4 |
static AV * |
845 |
|
|
ber_tuple (SV *tuple) |
846 |
root |
1.3 |
{ |
847 |
root |
1.4 |
SV *rv; |
848 |
|
|
|
849 |
|
|
if (expect_false (!SvROK (tuple) || SvTYPE ((rv = SvRV (tuple))) != SVt_PVAV)) |
850 |
root |
1.3 |
croak ("BER tuple must be array-reference"); |
851 |
|
|
|
852 |
root |
1.4 |
if (expect_false (SvRMAGICAL (rv))) |
853 |
|
|
croak ("BER tuple must not be tied"); |
854 |
root |
1.3 |
|
855 |
root |
1.4 |
if (expect_false (AvFILL ((AV *)rv) != BER_ARRAYSIZE - 1)) |
856 |
|
|
croak ("BER tuple must contain exactly %d elements, not %d", BER_ARRAYSIZE, AvFILL ((AV *)rv) + 1); |
857 |
root |
1.3 |
|
858 |
root |
1.4 |
return (AV *)rv; |
859 |
|
|
} |
860 |
|
|
|
861 |
|
|
static void |
862 |
root |
1.7 |
encode_ucs (SV *data, int chrsize) |
863 |
|
|
{ |
864 |
|
|
STRLEN uchars = sv_len_utf8 (data); |
865 |
|
|
STRLEN len;; |
866 |
|
|
char *ptr = SvPVutf8 (data, len); |
867 |
|
|
|
868 |
|
|
put_length (uchars * chrsize); |
869 |
|
|
|
870 |
|
|
while (uchars--) |
871 |
|
|
{ |
872 |
|
|
STRLEN uclen; |
873 |
root |
1.10 |
UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen); |
874 |
root |
1.7 |
|
875 |
|
|
ptr += uclen; |
876 |
|
|
len -= uclen; |
877 |
|
|
|
878 |
|
|
if (chrsize == 4) |
879 |
|
|
{ |
880 |
|
|
*cur++ = uchr >> 24; |
881 |
|
|
*cur++ = uchr >> 16; |
882 |
|
|
} |
883 |
|
|
|
884 |
|
|
*cur++ = uchr >> 8; |
885 |
|
|
*cur++ = uchr; |
886 |
|
|
} |
887 |
|
|
} |
888 |
|
|
static void |
889 |
root |
1.4 |
encode_ber (SV *tuple) |
890 |
|
|
{ |
891 |
|
|
AV *av = ber_tuple (tuple); |
892 |
root |
1.3 |
|
893 |
|
|
int klass = SvIV (AvARRAY (av)[BER_CLASS]); |
894 |
|
|
int tag = SvIV (AvARRAY (av)[BER_TAG]); |
895 |
root |
1.16 |
int constructed = SvIV (AvARRAY (av)[BER_FLAGS]) & 1 ? ASN_CONSTRUCTED : 0; |
896 |
root |
1.3 |
SV *data = AvARRAY (av)[BER_DATA]; |
897 |
|
|
|
898 |
|
|
int identifier = (klass << ASN_CLASS_SHIFT) | constructed; |
899 |
|
|
|
900 |
|
|
if (expect_false (tag >= ASN_TAG_BER)) |
901 |
|
|
{ |
902 |
|
|
put_u8 (identifier | ASN_TAG_BER); |
903 |
|
|
put_w (tag); |
904 |
|
|
} |
905 |
|
|
else |
906 |
|
|
put_u8 (identifier | tag); |
907 |
|
|
|
908 |
|
|
if (constructed) |
909 |
|
|
{ |
910 |
|
|
// we optimistically assume that only one length byte is needed |
911 |
|
|
// and adjust later |
912 |
|
|
need (1); |
913 |
|
|
STRLEN mark = len_fixup_mark (); |
914 |
|
|
|
915 |
|
|
if (expect_false (!SvROK (data) || SvTYPE (SvRV (data)) != SVt_PVAV)) |
916 |
|
|
croak ("BER constructed data must be array-reference"); |
917 |
|
|
|
918 |
|
|
AV *av = (AV *)SvRV (data); |
919 |
|
|
int fill = AvFILL (av); |
920 |
|
|
|
921 |
|
|
if (expect_false (SvRMAGICAL (av))) |
922 |
|
|
croak ("BER constructed data must not be tied"); |
923 |
|
|
|
924 |
root |
1.11 |
int i; |
925 |
|
|
for (i = 0; i <= fill; ++i) |
926 |
root |
1.3 |
encode_ber (AvARRAY (av)[i]); |
927 |
|
|
|
928 |
|
|
len_fixup (mark); |
929 |
|
|
} |
930 |
|
|
else |
931 |
root |
1.5 |
switch (profile_lookup (cur_profile, klass, tag)) |
932 |
root |
1.3 |
{ |
933 |
root |
1.5 |
case BER_TYPE_NULL: |
934 |
root |
1.3 |
put_length (0); |
935 |
|
|
break; |
936 |
|
|
|
937 |
root |
1.5 |
case BER_TYPE_BOOL: |
938 |
|
|
put_length (1); |
939 |
root |
1.17 |
*cur++ = SvTRUE (data) ? 0xff : 0x00; // 0xff = DER/CER |
940 |
root |
1.3 |
break; |
941 |
|
|
|
942 |
root |
1.5 |
case BER_TYPE_OID: |
943 |
|
|
encode_oid (data, 0); |
944 |
root |
1.3 |
break; |
945 |
|
|
|
946 |
root |
1.5 |
case BER_TYPE_RELOID: |
947 |
|
|
encode_oid (data, 1); |
948 |
root |
1.3 |
break; |
949 |
|
|
|
950 |
root |
1.5 |
case BER_TYPE_INT: |
951 |
|
|
encode_int (data); |
952 |
|
|
break; |
953 |
|
|
|
954 |
|
|
case BER_TYPE_BYTES: |
955 |
|
|
{ |
956 |
|
|
STRLEN len; |
957 |
|
|
const char *ptr = SvPVbyte (data, len); |
958 |
|
|
encode_data (ptr, len); |
959 |
|
|
} |
960 |
|
|
break; |
961 |
|
|
|
962 |
|
|
case BER_TYPE_UTF8: |
963 |
|
|
{ |
964 |
|
|
STRLEN len; |
965 |
|
|
const char *ptr = SvPVutf8 (data, len); |
966 |
|
|
encode_data (ptr, len); |
967 |
|
|
} |
968 |
|
|
break; |
969 |
|
|
|
970 |
root |
1.6 |
case BER_TYPE_IPADDRESS: |
971 |
|
|
{ |
972 |
|
|
U8 ip[4]; |
973 |
|
|
sscanf (SvPV_nolen (data), "%hhu.%hhu.%hhu.%hhu", ip + 0, ip + 1, ip + 2, ip + 3); |
974 |
|
|
encode_data ((const char *)ip, sizeof (ip)); |
975 |
|
|
} |
976 |
|
|
break; |
977 |
|
|
|
978 |
root |
1.5 |
case BER_TYPE_UCS2: |
979 |
root |
1.7 |
encode_ucs (data, 2); |
980 |
|
|
break; |
981 |
|
|
|
982 |
root |
1.5 |
case BER_TYPE_UCS4: |
983 |
root |
1.7 |
encode_ucs (data, 4); |
984 |
|
|
break; |
985 |
|
|
|
986 |
|
|
case BER_TYPE_REAL: |
987 |
root |
1.5 |
case BER_TYPE_CROAK: |
988 |
root |
1.3 |
default: |
989 |
root |
1.5 |
croak ("unconfigured/unsupported class/tag %d/%d", klass, tag); |
990 |
root |
1.3 |
} |
991 |
|
|
|
992 |
|
|
} |
993 |
|
|
|
994 |
|
|
///////////////////////////////////////////////////////////////////////////// |
995 |
|
|
|
996 |
root |
1.1 |
MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS |
997 |
|
|
|
998 |
|
|
PROTOTYPES: ENABLE |
999 |
|
|
|
1000 |
|
|
BOOT: |
1001 |
|
|
{ |
1002 |
|
|
HV *stash = gv_stashpv ("Convert::BER::XS", 1); |
1003 |
|
|
|
1004 |
root |
1.5 |
profile_stash = gv_stashpv ("Convert::BER::XS::Profile", 1); |
1005 |
|
|
|
1006 |
root |
1.1 |
static const struct { |
1007 |
|
|
const char *name; |
1008 |
|
|
IV iv; |
1009 |
|
|
} *civ, const_iv[] = { |
1010 |
root |
1.5 |
#define const_iv(name) { # name, name }, |
1011 |
|
|
const_iv (ASN_BOOLEAN) |
1012 |
root |
1.15 |
const_iv (ASN_INTEGER) |
1013 |
root |
1.5 |
const_iv (ASN_BIT_STRING) |
1014 |
|
|
const_iv (ASN_OCTET_STRING) |
1015 |
|
|
const_iv (ASN_NULL) |
1016 |
|
|
const_iv (ASN_OBJECT_IDENTIFIER) |
1017 |
|
|
const_iv (ASN_OBJECT_DESCRIPTOR) |
1018 |
|
|
const_iv (ASN_OID) |
1019 |
|
|
const_iv (ASN_EXTERNAL) |
1020 |
|
|
const_iv (ASN_REAL) |
1021 |
|
|
const_iv (ASN_SEQUENCE) |
1022 |
|
|
const_iv (ASN_ENUMERATED) |
1023 |
|
|
const_iv (ASN_EMBEDDED_PDV) |
1024 |
|
|
const_iv (ASN_UTF8_STRING) |
1025 |
|
|
const_iv (ASN_RELATIVE_OID) |
1026 |
|
|
const_iv (ASN_SET) |
1027 |
|
|
const_iv (ASN_NUMERIC_STRING) |
1028 |
|
|
const_iv (ASN_PRINTABLE_STRING) |
1029 |
|
|
const_iv (ASN_TELETEX_STRING) |
1030 |
|
|
const_iv (ASN_T61_STRING) |
1031 |
|
|
const_iv (ASN_VIDEOTEX_STRING) |
1032 |
|
|
const_iv (ASN_IA5_STRING) |
1033 |
|
|
const_iv (ASN_ASCII_STRING) |
1034 |
|
|
const_iv (ASN_UTC_TIME) |
1035 |
|
|
const_iv (ASN_GENERALIZED_TIME) |
1036 |
|
|
const_iv (ASN_GRAPHIC_STRING) |
1037 |
|
|
const_iv (ASN_VISIBLE_STRING) |
1038 |
|
|
const_iv (ASN_ISO646_STRING) |
1039 |
|
|
const_iv (ASN_GENERAL_STRING) |
1040 |
|
|
const_iv (ASN_UNIVERSAL_STRING) |
1041 |
|
|
const_iv (ASN_CHARACTER_STRING) |
1042 |
|
|
const_iv (ASN_BMP_STRING) |
1043 |
|
|
|
1044 |
|
|
const_iv (ASN_UNIVERSAL) |
1045 |
|
|
const_iv (ASN_APPLICATION) |
1046 |
|
|
const_iv (ASN_CONTEXT) |
1047 |
|
|
const_iv (ASN_PRIVATE) |
1048 |
|
|
|
1049 |
|
|
const_iv (BER_CLASS) |
1050 |
|
|
const_iv (BER_TAG) |
1051 |
root |
1.16 |
const_iv (BER_FLAGS) |
1052 |
root |
1.5 |
const_iv (BER_DATA) |
1053 |
|
|
|
1054 |
|
|
const_iv (BER_TYPE_BYTES) |
1055 |
|
|
const_iv (BER_TYPE_UTF8) |
1056 |
|
|
const_iv (BER_TYPE_UCS2) |
1057 |
|
|
const_iv (BER_TYPE_UCS4) |
1058 |
|
|
const_iv (BER_TYPE_INT) |
1059 |
|
|
const_iv (BER_TYPE_OID) |
1060 |
|
|
const_iv (BER_TYPE_RELOID) |
1061 |
|
|
const_iv (BER_TYPE_NULL) |
1062 |
|
|
const_iv (BER_TYPE_BOOL) |
1063 |
|
|
const_iv (BER_TYPE_REAL) |
1064 |
root |
1.6 |
const_iv (BER_TYPE_IPADDRESS) |
1065 |
root |
1.5 |
const_iv (BER_TYPE_CROAK) |
1066 |
|
|
|
1067 |
|
|
const_iv (SNMP_IPADDRESS) |
1068 |
|
|
const_iv (SNMP_COUNTER32) |
1069 |
|
|
const_iv (SNMP_UNSIGNED32) |
1070 |
|
|
const_iv (SNMP_TIMETICKS) |
1071 |
|
|
const_iv (SNMP_OPAQUE) |
1072 |
|
|
const_iv (SNMP_COUNTER64) |
1073 |
root |
1.1 |
}; |
1074 |
|
|
|
1075 |
|
|
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1076 |
|
|
newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1077 |
|
|
} |
1078 |
|
|
|
1079 |
|
|
SV * |
1080 |
root |
1.5 |
ber_decode (SV *ber, SV *profile = &PL_sv_undef) |
1081 |
root |
1.1 |
CODE: |
1082 |
|
|
{ |
1083 |
root |
1.5 |
cur_profile = SvPROFILE (profile); |
1084 |
root |
1.3 |
STRLEN len; |
1085 |
root |
1.10 |
buf = (U8 *)SvPVbyte (ber, len); |
1086 |
root |
1.1 |
cur = buf; |
1087 |
root |
1.3 |
end = buf + len; |
1088 |
root |
1.1 |
|
1089 |
root |
1.2 |
RETVAL = decode_ber (); |
1090 |
root |
1.1 |
} |
1091 |
|
|
OUTPUT: RETVAL |
1092 |
|
|
|
1093 |
|
|
void |
1094 |
root |
1.16 |
ber_is (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *flags = &PL_sv_undef, SV *data = &PL_sv_undef) |
1095 |
root |
1.1 |
PPCODE: |
1096 |
|
|
{ |
1097 |
|
|
if (!SvOK (tuple)) |
1098 |
|
|
XSRETURN_NO; |
1099 |
|
|
|
1100 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
1101 |
root |
1.4 |
croak ("ber_is: tuple must be BER tuple (array-ref)"); |
1102 |
root |
1.1 |
|
1103 |
|
|
AV *av = (AV *)SvRV (tuple); |
1104 |
|
|
|
1105 |
|
|
XPUSHs ( |
1106 |
root |
1.16 |
(!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS]) == SvIV (klass)) |
1107 |
|
|
&& (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
1108 |
|
|
&& (!SvOK (flags) || !SvIV (AvARRAY (av)[BER_FLAGS]) == !SvIV (flags)) |
1109 |
|
|
&& (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
1110 |
root |
1.4 |
? &PL_sv_yes : &PL_sv_undef); |
1111 |
root |
1.1 |
} |
1112 |
|
|
|
1113 |
|
|
void |
1114 |
|
|
ber_is_seq (SV *tuple) |
1115 |
|
|
PPCODE: |
1116 |
|
|
{ |
1117 |
|
|
if (!SvOK (tuple)) |
1118 |
|
|
XSRETURN_UNDEF; |
1119 |
|
|
|
1120 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
1121 |
root |
1.1 |
|
1122 |
|
|
XPUSHs ( |
1123 |
root |
1.16 |
SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
1124 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
1125 |
|
|
&& SvIV (AvARRAY (av)[BER_FLAGS]) |
1126 |
root |
1.1 |
? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
1127 |
|
|
} |
1128 |
|
|
|
1129 |
|
|
void |
1130 |
root |
1.15 |
ber_is_int (SV *tuple, SV *value = &PL_sv_undef) |
1131 |
root |
1.1 |
PPCODE: |
1132 |
|
|
{ |
1133 |
|
|
if (!SvOK (tuple)) |
1134 |
|
|
XSRETURN_NO; |
1135 |
|
|
|
1136 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
1137 |
root |
1.1 |
|
1138 |
root |
1.15 |
UV data = SvUV (AvARRAY (av)[BER_DATA]); |
1139 |
root |
1.1 |
|
1140 |
|
|
XPUSHs ( |
1141 |
root |
1.16 |
SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
1142 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER |
1143 |
|
|
&& !SvIV (AvARRAY (av)[BER_FLAGS]) |
1144 |
root |
1.15 |
&& (!SvOK (value) || data == SvUV (value)) |
1145 |
|
|
? sv_2mortal (data ? newSVsv (AvARRAY (av)[BER_DATA]) : newSVpv ("0 but true", 0)) |
1146 |
root |
1.4 |
: &PL_sv_undef); |
1147 |
root |
1.1 |
} |
1148 |
|
|
|
1149 |
|
|
void |
1150 |
root |
1.4 |
ber_is_oid (SV *tuple, SV *oid = &PL_sv_undef) |
1151 |
root |
1.1 |
PPCODE: |
1152 |
|
|
{ |
1153 |
|
|
if (!SvOK (tuple)) |
1154 |
|
|
XSRETURN_NO; |
1155 |
|
|
|
1156 |
root |
1.4 |
AV *av = ber_tuple (tuple); |
1157 |
root |
1.1 |
|
1158 |
|
|
XPUSHs ( |
1159 |
root |
1.16 |
SvIV (AvARRAY (av)[BER_CLASS]) == ASN_UNIVERSAL |
1160 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
1161 |
|
|
&& !SvIV (AvARRAY (av)[BER_FLAGS]) |
1162 |
root |
1.4 |
&& (!SvOK (oid) || sv_eq (AvARRAY (av)[BER_DATA], oid)) |
1163 |
|
|
? newSVsv (AvARRAY (av)[BER_DATA]) : &PL_sv_undef); |
1164 |
root |
1.1 |
} |
1165 |
|
|
|
1166 |
root |
1.3 |
############################################################################# |
1167 |
|
|
|
1168 |
|
|
void |
1169 |
root |
1.5 |
ber_encode (SV *tuple, SV *profile = &PL_sv_undef) |
1170 |
root |
1.3 |
PPCODE: |
1171 |
|
|
{ |
1172 |
root |
1.5 |
cur_profile = SvPROFILE (profile); |
1173 |
root |
1.3 |
buf_sv = sv_2mortal (NEWSV (0, 256)); |
1174 |
|
|
SvPOK_only (buf_sv); |
1175 |
|
|
set_buf (buf_sv); |
1176 |
|
|
|
1177 |
|
|
encode_ber (tuple); |
1178 |
|
|
|
1179 |
|
|
SvCUR_set (buf_sv, cur - buf); |
1180 |
|
|
XPUSHs (buf_sv); |
1181 |
|
|
} |
1182 |
|
|
|
1183 |
root |
1.4 |
SV * |
1184 |
root |
1.15 |
ber_int (SV *sv) |
1185 |
root |
1.4 |
CODE: |
1186 |
|
|
{ |
1187 |
|
|
AV *av = newAV (); |
1188 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
1189 |
root |
1.16 |
AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
1190 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_INTEGER); |
1191 |
|
|
AvARRAY (av)[BER_FLAGS] = newSVcacheint (0); |
1192 |
|
|
AvARRAY (av)[BER_DATA ] = newSVsv (sv); |
1193 |
root |
1.4 |
RETVAL = newRV_noinc ((SV *)av); |
1194 |
|
|
} |
1195 |
|
|
OUTPUT: RETVAL |
1196 |
|
|
|
1197 |
|
|
# TODO: not arrayref, but elements? |
1198 |
|
|
SV * |
1199 |
|
|
ber_seq (SV *arrayref) |
1200 |
|
|
CODE: |
1201 |
|
|
{ |
1202 |
|
|
AV *av = newAV (); |
1203 |
|
|
av_fill (av, BER_ARRAYSIZE - 1); |
1204 |
root |
1.16 |
AvARRAY (av)[BER_CLASS] = newSVcacheint (ASN_UNIVERSAL); |
1205 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (ASN_SEQUENCE); |
1206 |
|
|
AvARRAY (av)[BER_FLAGS] = newSVcacheint (1); |
1207 |
|
|
AvARRAY (av)[BER_DATA ] = newSVsv (arrayref); |
1208 |
root |
1.4 |
RETVAL = newRV_noinc ((SV *)av); |
1209 |
|
|
} |
1210 |
|
|
OUTPUT: RETVAL |
1211 |
|
|
|
1212 |
root |
1.5 |
MODULE = Convert::BER::XS PACKAGE = Convert::BER::XS::Profile |
1213 |
|
|
|
1214 |
|
|
SV * |
1215 |
|
|
new (SV *klass) |
1216 |
|
|
CODE: |
1217 |
|
|
RETVAL = profile_new (); |
1218 |
|
|
OUTPUT: RETVAL |
1219 |
|
|
|
1220 |
root |
1.6 |
void |
1221 |
|
|
set (SV *profile, int klass, int tag, int type) |
1222 |
|
|
CODE: |
1223 |
|
|
profile_set (SvPROFILE (profile), klass, tag, type); |
1224 |
|
|
|
1225 |
|
|
IV |
1226 |
|
|
get (SV *profile, int klass, int tag) |
1227 |
|
|
CODE: |
1228 |
|
|
RETVAL = profile_lookup (SvPROFILE (profile), klass, tag); |
1229 |
|
|
OUTPUT: RETVAL |
1230 |
|
|
|
1231 |
|
|
void |
1232 |
|
|
_set_default (SV *profile) |
1233 |
|
|
CODE: |
1234 |
|
|
default_profile = SvPROFILE (profile); |
1235 |
|
|
|
1236 |
|
|
|