1 |
root |
1.1 |
#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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// C99 required |
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1.8 |
//#define BENCHMARK |
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1.7 |
|
9 |
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1.18 |
enum { |
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1.20 |
// ASN_TAG |
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1.18 |
ASN_BOOLEAN = 0x01, |
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ASN_INTEGER32 = 0x02, |
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1.19 |
ASN_BIT_STRING = 0x03, |
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1.18 |
ASN_OCTET_STRING = 0x04, |
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ASN_NULL = 0x05, |
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ASN_OBJECT_IDENTIFIER = 0x06, |
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1.20 |
ASN_SEQUENCE = 0x10, |
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1.19 |
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ASN_TAG_BER = 0x1f, |
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ASN_TAG_MASK = 0x1f, |
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1.20 |
// primitive/constructed |
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1.19 |
ASN_CONSTRUCTED = 0x20, |
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|
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1.20 |
// ASN_CLASS |
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1.19 |
ASN_UNIVERSAL = 0x00, |
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ASN_APPLICATION = 0x40, |
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ASN_CONTEXT = 0x80, |
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ASN_PRIVATE = 0xc0, |
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ASN_CLASS_MASK = 0xc0, |
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ASN_CLASS_SHIFT = 6, |
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1.20 |
// ASN_APPLICATION |
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ASN_IPADDRESS = 0x00, |
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ASN_COUNTER32 = 0x01, |
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ASN_UNSIGNED32 = 0x02, |
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ASN_TIMETICKS = 0x03, |
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ASN_OPAQUE = 0x04, |
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ASN_COUNTER64 = 0x06, |
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}; |
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enum { |
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BER_CLASS = 0, |
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BER_TAG = 1, |
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BER_CONSTRUCTED = 2, |
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BER_DATA = 3, |
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BER_ARRAYSIZE |
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root |
1.18 |
}; |
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1.1 |
|
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1.4 |
#define MAX_OID_STRLEN 4096 |
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1.10 |
#define HAVE_VERSIONSORT defined (_GNU_SOURCE) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 |
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root |
1.12 |
static SV *cur_bufobj; |
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1.13 |
static SV *msg, *bufsv; |
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1.4 |
static int errflag, leading_dot; |
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1.1 |
static U8 *buf, *cur; |
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static STRLEN len, rem; |
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1.12 |
typedef SV *BUFOBJ; |
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1.19 |
// for "small" integers, return a readonly sv, otherwise create a new one |
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static SV *newSVcacheint (int val) |
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{ |
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static SV *cache[32]; |
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if (val < 0 || val >= sizeof (cache)) |
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return newSViv (val); |
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if (!cache [val]) |
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{ |
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cache [val] = newSVuv (val); |
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SvREADONLY_on (cache [val]); |
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} |
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return SvREFCNT_inc_NN (cache [val]); |
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} |
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1.12 |
///////////////////////////////////////////////////////////////////////////// |
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#if 0 |
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if (msg) |
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croak ("recursive invocation of Net::SNMP::XS parser is not supported"); |
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void |
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clr_msg () |
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CODE: |
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SvREFCNT_dec (msg); msg = 0; |
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buf = cur = (U8 *)""; |
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len = rem = 0; |
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#endif |
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static void |
96 |
root |
1.13 |
clear_bufobj (void) |
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1.12 |
{ |
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// serialise our state back |
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if (msg && SvROK (msg)) |
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{ |
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SV *idx_sv = *hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1); |
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sv_setiv (idx_sv, cur - buf); |
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1.15 |
} |
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1.13 |
|
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1.15 |
SvREFCNT_dec (msg); |
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msg = 0; |
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cur_bufobj = 0; |
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1.13 |
} |
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static void |
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switch_bufobj (BUFOBJ neu) |
112 |
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{ |
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clear_bufobj (); |
114 |
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1.12 |
|
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msg = newSVsv (neu); |
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cur_bufobj = SvRV (msg); |
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sv_rvweaken (msg); |
118 |
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errflag = 0; |
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leading_dot = -1; |
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root |
1.13 |
|
122 |
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IV index = SvIV (*hv_fetch ((HV *)cur_bufobj, "_index" , sizeof ("_index" ) - 1, 1)); |
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bufsv = *hv_fetch ((HV *)cur_bufobj, "_buffer", sizeof ("_buffer") - 1, 1); |
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buf = SvPVbyte (bufsv, len); |
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cur = buf + index; |
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rem = len - index; |
128 |
root |
1.12 |
} |
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///////////////////////////////////////////////////////////////////////////// |
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132 |
root |
1.3 |
static SV * |
133 |
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x_get_cv (SV *cb_sv) |
134 |
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{ |
135 |
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HV *st; |
136 |
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GV *gvp; |
137 |
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CV *cv = sv_2cv (cb_sv, &st, &gvp, 0); |
138 |
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139 |
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if (!cv) |
140 |
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croak ("CODE reference expected"); |
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142 |
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return (SV *)cv; |
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} |
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145 |
root |
1.1 |
static void |
146 |
root |
1.8 |
error (const char *errmsg) |
147 |
root |
1.1 |
{ |
148 |
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errflag = 1; |
149 |
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|
150 |
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1.9 |
if (!msg) |
151 |
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croak ("Net::SNMP::XS fatal error, parser called without parsing context"); |
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153 |
root |
1.8 |
dSP; |
154 |
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PUSHMARK (SP); |
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EXTEND (SP, 2); |
156 |
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PUSHs (msg); |
157 |
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PUSHs (sv_2mortal (newSVpv (errmsg, 0))); |
158 |
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PUTBACK; |
159 |
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call_method ("_error", G_VOID | G_DISCARD); |
160 |
root |
1.1 |
} |
161 |
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162 |
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static int |
163 |
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need (int count) |
164 |
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{ |
165 |
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if (count < 0 || (int)rem < count) |
166 |
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{ |
167 |
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error ("Unexpected end of message buffer"); |
168 |
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return 0; |
169 |
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} |
170 |
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171 |
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return 1; |
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} |
173 |
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174 |
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static U8 * |
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getn (int count, const U8 *errres) |
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{ |
177 |
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if (!need (count)) |
178 |
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return (U8 *)errres; |
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180 |
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U8 *res = cur; |
181 |
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182 |
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cur += count; |
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rem -= count; |
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185 |
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return res; |
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} |
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188 |
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static U8 |
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get8 (void) |
190 |
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{ |
191 |
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if (rem <= 0) |
192 |
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{ |
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error ("Unexpected end of message buffer"); |
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return 0; |
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} |
196 |
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rem--; |
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return *cur++; |
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} |
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201 |
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static U32 |
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getb (void) |
203 |
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{ |
204 |
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U32 res = 0; |
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206 |
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for (;;) |
207 |
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{ |
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U8 c = get8 (); |
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res = (res << 7) | (c & 0x7f); |
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211 |
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if (!(c & 0x80)) |
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return res; |
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} |
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} |
215 |
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216 |
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#ifdef BENCHMARK |
217 |
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static double t1; |
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219 |
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static double |
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tstamp (void) |
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{ |
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struct timeval tv; |
223 |
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gettimeofday (&tv, 0); |
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return tv.tv_sec + tv.tv_usec * 0.000001; |
225 |
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} |
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#endif |
227 |
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228 |
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static U32 |
229 |
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process_length (void) |
230 |
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{ |
231 |
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U32 res = get8 (); |
232 |
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233 |
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if (res & 0x80) |
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{ |
235 |
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int cnt = res & 0x7f; |
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res = 0; |
237 |
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238 |
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switch (cnt) |
239 |
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{ |
240 |
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case 0: |
241 |
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error ("Indefinite ASN.1 lengths not supported"); |
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return 0; |
243 |
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244 |
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default: |
245 |
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error ("ASN.1 length too long"); |
246 |
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return 0; |
247 |
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248 |
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case 4: res = (res << 8) | get8 (); |
249 |
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case 3: res = (res << 8) | get8 (); |
250 |
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case 2: res = (res << 8) | get8 (); |
251 |
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case 1: res = (res << 8) | get8 (); |
252 |
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} |
253 |
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} |
254 |
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255 |
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return res; |
256 |
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} |
257 |
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258 |
root |
1.4 |
static U32 |
259 |
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process_integer32 (void) |
260 |
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{ |
261 |
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U32 length = process_length (); |
262 |
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263 |
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if (length <= 0) |
264 |
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{ |
265 |
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error ("INTEGER32 length equal to zero"); |
266 |
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return 0; |
267 |
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} |
268 |
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269 |
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U8 *data = getn (length, 0); |
270 |
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271 |
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if (!data) |
272 |
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return 0; |
273 |
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274 |
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if (length > 5 || (length > 4 && data [0])) |
275 |
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{ |
276 |
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error ("INTEGER32 length too long"); |
277 |
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return 0; |
278 |
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} |
279 |
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280 |
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U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
281 |
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282 |
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while (length--) |
283 |
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res = (res << 8) | *data++; |
284 |
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285 |
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return res; |
286 |
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} |
287 |
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288 |
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static SV * |
289 |
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process_integer32_sv (void) |
290 |
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{ |
291 |
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return newSViv ((I32)process_integer32 ()); |
292 |
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} |
293 |
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294 |
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static SV * |
295 |
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process_unsigned32_sv (void) |
296 |
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{ |
297 |
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return newSVuv ((U32)process_integer32 ()); |
298 |
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} |
299 |
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300 |
root |
1.8 |
#if IVSIZE >= 8 |
301 |
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302 |
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static U64TYPE |
303 |
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process_integer64 (void) |
304 |
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{ |
305 |
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U32 length = process_length (); |
306 |
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307 |
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if (length <= 0) |
308 |
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{ |
309 |
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error ("INTEGER64 length equal to zero"); |
310 |
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return 0; |
311 |
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} |
312 |
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313 |
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U8 *data = getn (length, 0); |
314 |
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315 |
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if (!data) |
316 |
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return 0; |
317 |
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318 |
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if (length > 9 || (length > 8 && data [0])) |
319 |
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{ |
320 |
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error ("INTEGER64 length too long"); |
321 |
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return 0; |
322 |
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} |
323 |
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324 |
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U64TYPE res = data [0] & 0x80 ? 0xffffffffffffffff : 0; |
325 |
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326 |
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while (length--) |
327 |
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res = (res << 8) | *data++; |
328 |
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329 |
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return res; |
330 |
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} |
331 |
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332 |
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static SV * |
333 |
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process_integer64_sv (void) |
334 |
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{ |
335 |
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return newSViv ((I64TYPE)process_integer64 ()); |
336 |
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} |
337 |
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338 |
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static SV * |
339 |
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process_unsigned64_sv (void) |
340 |
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{ |
341 |
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return newSVuv ((U64TYPE)process_integer64 ()); |
342 |
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} |
343 |
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344 |
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#endif |
345 |
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|
346 |
root |
1.4 |
static SV * |
347 |
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process_octet_string_sv (void) |
348 |
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{ |
349 |
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U32 length = process_length (); |
350 |
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351 |
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U8 *data = getn (length, 0); |
352 |
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if (!data) |
353 |
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{ |
354 |
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error ("OCTET STRING too long"); |
355 |
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return &PL_sv_undef; |
356 |
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} |
357 |
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358 |
|
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return newSVpvn (data, length); |
359 |
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} |
360 |
root |
1.5 |
|
361 |
|
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static char * |
362 |
|
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write_uv (char *buf, U32 u) |
363 |
|
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{ |
364 |
|
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// the one-digit case is absolutely predominant |
365 |
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if (u < 10) |
366 |
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*buf++ = u + '0'; |
367 |
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else |
368 |
|
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buf += sprintf (buf, "%u", (unsigned int)u); |
369 |
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370 |
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return buf; |
371 |
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} |
372 |
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|
373 |
root |
1.7 |
static SV * |
374 |
|
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process_object_identifier_sv (void) |
375 |
root |
1.4 |
{ |
376 |
|
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U32 length = process_length (); |
377 |
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|
378 |
|
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if (length <= 0) |
379 |
|
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{ |
380 |
|
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error ("OBJECT IDENTIFIER length equal to zero"); |
381 |
root |
1.8 |
return &PL_sv_undef; |
382 |
root |
1.4 |
} |
383 |
|
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|
384 |
|
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U8 *end = cur + length; |
385 |
|
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U32 w = getb (); |
386 |
|
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|
387 |
root |
1.6 |
static char oid[MAX_OID_STRLEN]; // must be static |
388 |
root |
1.5 |
char *app = oid; |
389 |
root |
1.4 |
|
390 |
root |
1.11 |
if (leading_dot < 0) |
391 |
|
|
leading_dot = SvTRUE (*hv_fetch ((HV *)SvRV (msg), "_leading_dot", sizeof ("_leading_dot") - 1, 1)); |
392 |
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|
393 |
root |
1.5 |
*app = '.'; app += ! ! leading_dot; |
394 |
root |
1.6 |
app = write_uv (app, (U8)w / 40); |
395 |
root |
1.5 |
*app++ = '.'; |
396 |
root |
1.6 |
app = write_uv (app, (U8)w % 40); |
397 |
root |
1.4 |
|
398 |
root |
1.5 |
// we assume an oid component is never > 64 bytes |
399 |
|
|
while (cur < end && oid + sizeof (oid) - app > 64) |
400 |
|
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{ |
401 |
|
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w = getb (); |
402 |
|
|
*app++ = '.'; |
403 |
|
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app = write_uv (app, w); |
404 |
|
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} |
405 |
root |
1.4 |
|
406 |
root |
1.7 |
return newSVpvn (oid, app - oid); |
407 |
root |
1.6 |
} |
408 |
|
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|
409 |
|
|
static AV *av_type; |
410 |
|
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|
411 |
|
|
static SV * |
412 |
|
|
process_sv (int *found) |
413 |
|
|
{ |
414 |
|
|
int type = get8 (); |
415 |
|
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|
416 |
|
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*found = type; |
417 |
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|
418 |
|
|
SV *res; |
419 |
|
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|
420 |
|
|
switch (type) |
421 |
root |
1.4 |
{ |
422 |
root |
1.6 |
case ASN_OBJECT_IDENTIFIER: |
423 |
|
|
res = process_object_identifier_sv (); |
424 |
|
|
break; |
425 |
|
|
|
426 |
|
|
case ASN_INTEGER32: |
427 |
|
|
res = process_integer32_sv (); |
428 |
|
|
break; |
429 |
|
|
|
430 |
root |
1.20 |
case ASN_APPLICATION | ASN_UNSIGNED32: |
431 |
|
|
case ASN_APPLICATION | ASN_COUNTER32: |
432 |
|
|
case ASN_APPLICATION | ASN_TIMETICKS: |
433 |
root |
1.6 |
res = process_unsigned32_sv (); |
434 |
|
|
break; |
435 |
|
|
|
436 |
root |
1.20 |
case ASN_SEQUENCE | ASN_CONSTRUCTED: |
437 |
root |
1.6 |
res = newSVuv (process_length ()); |
438 |
|
|
break; |
439 |
|
|
|
440 |
|
|
case ASN_OCTET_STRING: |
441 |
root |
1.20 |
case ASN_APPLICATION | ASN_OPAQUE: |
442 |
root |
1.6 |
res = process_octet_string_sv (); |
443 |
|
|
break; |
444 |
|
|
|
445 |
|
|
default: |
446 |
|
|
{ |
447 |
root |
1.16 |
if (type > AvFILLp (av_type) |
448 |
|
|
|| AvARRAY (av_type)[type] == 0 |
449 |
|
|
|| AvARRAY (av_type)[type] == &PL_sv_undef) |
450 |
root |
1.6 |
{ |
451 |
|
|
error ("Unknown ASN.1 type"); |
452 |
|
|
return &PL_sv_undef; |
453 |
|
|
} |
454 |
|
|
|
455 |
|
|
dSP; |
456 |
|
|
PUSHMARK (SP); |
457 |
|
|
EXTEND (SP, 2); |
458 |
|
|
PUSHs (msg); |
459 |
|
|
PUSHs (sv_2mortal (newSViv (type))); |
460 |
|
|
PUTBACK; |
461 |
|
|
int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
462 |
|
|
SPAGAIN; |
463 |
|
|
res = count ? SvREFCNT_inc (TOPs) : &PL_sv_undef; |
464 |
|
|
} |
465 |
root |
1.4 |
} |
466 |
|
|
|
467 |
root |
1.6 |
return errflag ? &PL_sv_undef : res; |
468 |
root |
1.4 |
} |
469 |
|
|
|
470 |
root |
1.18 |
static SV * |
471 |
root |
1.20 |
ber_decode () |
472 |
root |
1.18 |
{ |
473 |
root |
1.19 |
int identifier = get8 (); |
474 |
root |
1.18 |
|
475 |
|
|
SV *res; |
476 |
|
|
|
477 |
root |
1.19 |
int constructed = identifier & ASN_CONSTRUCTED; |
478 |
|
|
int klass = identifier & ASN_CLASS_MASK; |
479 |
|
|
int tag = identifier & ASN_TAG_MASK; |
480 |
root |
1.18 |
|
481 |
root |
1.19 |
if (tag == ASN_TAG_BER) |
482 |
|
|
tag = getb (); |
483 |
root |
1.18 |
|
484 |
root |
1.19 |
#if 0 |
485 |
|
|
if (/type & ASN_TAG_MASK) == ASN_TAG_MASK) |
486 |
|
|
/* TODO: ber tag follows */; |
487 |
|
|
#endif |
488 |
root |
1.18 |
|
489 |
root |
1.19 |
if (constructed) |
490 |
|
|
{ |
491 |
|
|
U32 len = process_length (); |
492 |
|
|
U32 seqend = (cur - buf) + len; |
493 |
|
|
AV *av = (AV *)sv_2mortal ((SV *)newAV ()); |
494 |
root |
1.18 |
|
495 |
root |
1.19 |
while (cur < buf + seqend) |
496 |
root |
1.20 |
av_push (av, ber_decode ()); |
497 |
root |
1.18 |
|
498 |
root |
1.19 |
if (cur > buf + seqend) |
499 |
|
|
croak ("constructed type %02x overflow (%x %x)\n", identifier, cur - buf, seqend); |
500 |
root |
1.18 |
|
501 |
root |
1.19 |
res = newRV_inc ((SV *)av); |
502 |
root |
1.18 |
} |
503 |
root |
1.19 |
else |
504 |
|
|
switch (identifier) |
505 |
|
|
{ |
506 |
root |
1.20 |
case ASN_NULL: |
507 |
|
|
res = &PL_sv_undef; |
508 |
|
|
break; |
509 |
|
|
|
510 |
root |
1.19 |
case ASN_OBJECT_IDENTIFIER: |
511 |
|
|
res = process_object_identifier_sv (); |
512 |
|
|
break; |
513 |
|
|
|
514 |
|
|
case ASN_INTEGER32: |
515 |
|
|
res = process_integer32_sv (); |
516 |
|
|
break; |
517 |
|
|
|
518 |
root |
1.20 |
case ASN_APPLICATION | ASN_UNSIGNED32: |
519 |
|
|
case ASN_APPLICATION | ASN_COUNTER32: |
520 |
|
|
case ASN_APPLICATION | ASN_TIMETICKS: |
521 |
root |
1.19 |
res = process_unsigned32_sv (); |
522 |
|
|
break; |
523 |
|
|
|
524 |
|
|
#if 0 // handled by default case |
525 |
|
|
case ASN_OCTET_STRING: |
526 |
root |
1.20 |
case ASN_APPLICATION | ASN_IPADDRESS: |
527 |
|
|
case ASN_APPLICATION | ASN_OPAQUE: |
528 |
root |
1.19 |
res = process_octet_string_sv (); |
529 |
|
|
break; |
530 |
|
|
#endif |
531 |
|
|
|
532 |
root |
1.20 |
case ASN_APPLICATION | ASN_COUNTER64: |
533 |
root |
1.19 |
res = process_integer64_sv (); |
534 |
|
|
break; |
535 |
|
|
|
536 |
|
|
default: |
537 |
|
|
res = process_octet_string_sv (); |
538 |
|
|
break; |
539 |
|
|
} |
540 |
root |
1.18 |
|
541 |
|
|
if (errflag) |
542 |
|
|
croak ("some error"); |
543 |
|
|
|
544 |
|
|
AV *av = newAV (); |
545 |
root |
1.20 |
av_fill (av, BER_ARRAYSIZE - 1); |
546 |
|
|
AvARRAY (av)[BER_CLASS ] = newSVcacheint (klass >> ASN_CLASS_SHIFT); |
547 |
|
|
AvARRAY (av)[BER_TAG ] = newSVcacheint (tag); |
548 |
|
|
AvARRAY (av)[BER_CONSTRUCTED] = newSVcacheint (constructed ? 1 : 0); |
549 |
|
|
AvARRAY (av)[BER_DATA ] = res; |
550 |
root |
1.18 |
res = newRV_noinc ((SV *)av); |
551 |
|
|
|
552 |
|
|
return errflag ? &PL_sv_undef : res; |
553 |
|
|
} |
554 |
|
|
|
555 |
root |
1.10 |
///////////////////////////////////////////////////////////////////////////// |
556 |
|
|
|
557 |
|
|
#if HAVE_VERSIONSORT |
558 |
|
|
|
559 |
|
|
static int |
560 |
|
|
oid_lex_cmp (const void *a_, const void *b_) |
561 |
|
|
{ |
562 |
|
|
const char *a = SvPVX (*(SV **)a_); |
563 |
|
|
const char *b = SvPVX (*(SV **)b_); |
564 |
|
|
|
565 |
|
|
a += *a == '.'; |
566 |
|
|
b += *b == '.'; |
567 |
|
|
|
568 |
|
|
return strverscmp (a, b); |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
#endif |
572 |
|
|
|
573 |
root |
1.1 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
574 |
|
|
|
575 |
root |
1.3 |
PROTOTYPES: ENABLE |
576 |
|
|
|
577 |
|
|
BOOT: |
578 |
root |
1.19 |
{ |
579 |
|
|
HV *stash = gv_stashpv ("Net::SNMP::XS", 1); |
580 |
|
|
|
581 |
|
|
static const struct { |
582 |
|
|
const char *name; |
583 |
|
|
IV iv; |
584 |
|
|
} *civ, const_iv[] = { |
585 |
|
|
{ "ASN_BOOLEAN", ASN_BOOLEAN }, |
586 |
|
|
{ "ASN_INTEGER32", ASN_INTEGER32 }, |
587 |
|
|
{ "ASN_BIT_STRING", ASN_BIT_STRING }, |
588 |
|
|
{ "ASN_OCTET_STRING", ASN_OCTET_STRING }, |
589 |
|
|
{ "ASN_NULL", ASN_NULL }, |
590 |
|
|
{ "ASN_OBJECT_IDENTIFIER", ASN_OBJECT_IDENTIFIER }, |
591 |
|
|
{ "ASN_TAG_BER", ASN_TAG_BER }, |
592 |
|
|
{ "ASN_TAG_MASK", ASN_TAG_MASK }, |
593 |
|
|
{ "ASN_CONSTRUCTED", ASN_CONSTRUCTED }, |
594 |
|
|
{ "ASN_UNIVERSAL", ASN_UNIVERSAL >> ASN_CLASS_SHIFT }, |
595 |
|
|
{ "ASN_APPLICATION", ASN_APPLICATION >> ASN_CLASS_SHIFT }, |
596 |
|
|
{ "ASN_CONTEXT", ASN_CONTEXT >> ASN_CLASS_SHIFT }, |
597 |
|
|
{ "ASN_PRIVATE", ASN_PRIVATE >> ASN_CLASS_SHIFT }, |
598 |
|
|
{ "ASN_CLASS_MASK", ASN_CLASS_MASK }, |
599 |
|
|
{ "ASN_CLASS_SHIFT", ASN_CLASS_SHIFT }, |
600 |
|
|
{ "ASN_SEQUENCE", ASN_SEQUENCE }, |
601 |
|
|
{ "ASN_IPADDRESS", ASN_IPADDRESS }, |
602 |
|
|
{ "ASN_COUNTER32", ASN_COUNTER32 }, |
603 |
|
|
{ "ASN_UNSIGNED32", ASN_UNSIGNED32 }, |
604 |
|
|
{ "ASN_TIMETICKS", ASN_TIMETICKS }, |
605 |
|
|
{ "ASN_OPAQUE", ASN_OPAQUE }, |
606 |
|
|
{ "ASN_COUNTER64", ASN_COUNTER64 }, |
607 |
root |
1.20 |
|
608 |
|
|
{ "BER_CLASS" , BER_CLASS }, |
609 |
|
|
{ "BER_TAG" , BER_TAG }, |
610 |
|
|
{ "BER_CONSTRUCTED", BER_CONSTRUCTED }, |
611 |
|
|
{ "BER_DATA" , BER_DATA }, |
612 |
root |
1.19 |
}; |
613 |
|
|
|
614 |
|
|
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
615 |
|
|
newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
616 |
|
|
|
617 |
|
|
av_type = newAV (); |
618 |
|
|
} |
619 |
root |
1.3 |
|
620 |
|
|
void |
621 |
|
|
set_type (int type, SV *cv) |
622 |
|
|
CODE: |
623 |
root |
1.16 |
cv = x_get_cv (cv); |
624 |
|
|
assert (SvTYPE (cv) == SVt_PVCV); |
625 |
|
|
av_store (av_type, type, SvREFCNT_inc_NN (cv)); |
626 |
root |
1.3 |
|
627 |
root |
1.18 |
SV * |
628 |
root |
1.20 |
ber_decode (SV *ber) |
629 |
root |
1.18 |
CODE: |
630 |
|
|
{ |
631 |
|
|
clear_bufobj (); |
632 |
|
|
|
633 |
|
|
errflag = 0; |
634 |
|
|
leading_dot = 0; |
635 |
|
|
|
636 |
|
|
bufsv = ber; |
637 |
|
|
|
638 |
|
|
buf = SvPVbyte (bufsv, len); |
639 |
|
|
cur = buf; |
640 |
|
|
rem = len; |
641 |
|
|
|
642 |
root |
1.20 |
RETVAL = ber_decode (); |
643 |
root |
1.18 |
} |
644 |
|
|
OUTPUT: RETVAL |
645 |
|
|
|
646 |
root |
1.20 |
void |
647 |
|
|
ber_eq (SV *tuple, SV *klass = &PL_sv_undef, SV *tag = &PL_sv_undef, SV *constructed = &PL_sv_undef, SV *data = &PL_sv_undef) |
648 |
|
|
PROTOTYPE: $;$$$ |
649 |
|
|
PPCODE: |
650 |
|
|
{ |
651 |
|
|
if (!SvOK (tuple)) |
652 |
|
|
XSRETURN_NO; |
653 |
|
|
|
654 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
655 |
|
|
croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
656 |
|
|
|
657 |
|
|
AV *av = (AV *)SvRV (tuple); |
658 |
|
|
|
659 |
|
|
XPUSHs ( |
660 |
|
|
(!SvOK (klass) || SvIV (AvARRAY (av)[BER_CLASS ]) == SvIV (klass)) |
661 |
|
|
&& (!SvOK (tag) || SvIV (AvARRAY (av)[BER_TAG ]) == SvIV (tag)) |
662 |
|
|
&& (!SvOK (constructed) || !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) == !SvIV (constructed)) |
663 |
|
|
&& (!SvOK (data) || sv_eq (AvARRAY (av)[BER_DATA ], data)) |
664 |
|
|
? &PL_sv_yes : &PL_sv_no); |
665 |
|
|
} |
666 |
|
|
|
667 |
|
|
void |
668 |
|
|
ber_seq (SV *tuple) |
669 |
|
|
PROTOTYPE: $ |
670 |
|
|
PPCODE: |
671 |
|
|
{ |
672 |
|
|
if (!SvOK (tuple)) |
673 |
|
|
XSRETURN_UNDEF; |
674 |
|
|
|
675 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
676 |
|
|
croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
677 |
|
|
|
678 |
|
|
AV *av = (AV *)SvRV (tuple); |
679 |
|
|
|
680 |
|
|
XPUSHs ( |
681 |
|
|
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
682 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_SEQUENCE |
683 |
|
|
&& SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
684 |
|
|
? AvARRAY (av)[BER_DATA] : &PL_sv_undef); |
685 |
|
|
} |
686 |
|
|
|
687 |
|
|
void |
688 |
|
|
ber_i32 (SV *tuple, IV value) |
689 |
|
|
PROTOTYPE: $$ |
690 |
|
|
PPCODE: |
691 |
|
|
{ |
692 |
|
|
if (!SvOK (tuple)) |
693 |
|
|
XSRETURN_NO; |
694 |
|
|
|
695 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
696 |
|
|
croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
697 |
|
|
|
698 |
|
|
AV *av = (AV *)SvRV (tuple); |
699 |
|
|
|
700 |
|
|
XPUSHs ( |
701 |
|
|
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
702 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_INTEGER32 |
703 |
|
|
&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
704 |
|
|
&& SvIV (AvARRAY (av)[BER_DATA ]) == value |
705 |
|
|
? &PL_sv_yes : &PL_sv_no); |
706 |
|
|
} |
707 |
|
|
|
708 |
|
|
void |
709 |
|
|
ber_oid (SV *tuple, SV *oid) |
710 |
|
|
PROTOTYPE: $$ |
711 |
|
|
PPCODE: |
712 |
|
|
{ |
713 |
|
|
if (!SvOK (tuple)) |
714 |
|
|
XSRETURN_NO; |
715 |
|
|
|
716 |
|
|
if (!SvROK (tuple) || SvTYPE (SvRV (tuple)) != SVt_PVAV) |
717 |
|
|
croak ("ber_seq: tuple must be ber tuple (array-ref)"); |
718 |
|
|
|
719 |
|
|
AV *av = (AV *)SvRV (tuple); |
720 |
|
|
|
721 |
|
|
XPUSHs ( |
722 |
|
|
SvIV (AvARRAY (av)[BER_CLASS ]) == ASN_UNIVERSAL |
723 |
|
|
&& SvIV (AvARRAY (av)[BER_TAG ]) == ASN_OBJECT_IDENTIFIER |
724 |
|
|
&& !SvIV (AvARRAY (av)[BER_CONSTRUCTED]) |
725 |
|
|
&& sv_eq (AvARRAY (av)[BER_DATA], oid) |
726 |
|
|
? &PL_sv_yes : &PL_sv_no); |
727 |
|
|
} |
728 |
root |
1.18 |
|
729 |
root |
1.13 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::Message |
730 |
|
|
|
731 |
root |
1.1 |
void |
732 |
root |
1.13 |
_buffer_append (BUFOBJ self, SV *value) |
733 |
|
|
ALIAS: |
734 |
|
|
_buffer_put = 1 |
735 |
|
|
PPCODE: |
736 |
|
|
{ |
737 |
|
|
STRLEN vlen; |
738 |
|
|
const char *vstr = SvPVbyte (value, vlen); |
739 |
|
|
|
740 |
|
|
if (ix) |
741 |
|
|
sv_insert (bufsv, 0, 0, vstr, vlen); |
742 |
|
|
else |
743 |
|
|
sv_catpvn (bufsv, vstr, vlen); |
744 |
|
|
|
745 |
|
|
buf = SvPVbyte (bufsv, len); |
746 |
|
|
cur = buf; |
747 |
|
|
rem = len; |
748 |
root |
1.1 |
|
749 |
root |
1.13 |
SV *len_sv = *hv_fetch ((HV *)cur_bufobj, "_length", sizeof ("_length") - 1, 1); |
750 |
|
|
sv_setiv (len_sv, len); |
751 |
root |
1.1 |
|
752 |
root |
1.13 |
// some callers test for defined'ness of the returnvalue. *sigh* |
753 |
|
|
XPUSHs (&PL_sv_yes); |
754 |
|
|
} |
755 |
root |
1.1 |
|
756 |
|
|
void |
757 |
root |
1.12 |
_buffer_get (BUFOBJ self, int count = -1) |
758 |
root |
1.1 |
PPCODE: |
759 |
|
|
{ |
760 |
|
|
// grrr. |
761 |
|
|
if (count < 0) |
762 |
|
|
{ |
763 |
|
|
hv_delete ((HV *)SvRV (self), "_index" , 6, G_DISCARD); |
764 |
|
|
hv_delete ((HV *)SvRV (self), "_length", 7, G_DISCARD); |
765 |
root |
1.13 |
XPUSHs (sv_2mortal (newSVsv (bufsv))); |
766 |
|
|
sv_setpvn (bufsv, "", 0); |
767 |
|
|
|
768 |
|
|
buf = ""; |
769 |
|
|
cur = buf; |
770 |
|
|
rem = 0; |
771 |
|
|
|
772 |
root |
1.1 |
XSRETURN (1); |
773 |
|
|
} |
774 |
|
|
|
775 |
|
|
char *data = getn (count, 0); |
776 |
|
|
|
777 |
|
|
if (data) |
778 |
|
|
XPUSHs (sv_2mortal (newSVpvn (data, count))); |
779 |
|
|
} |
780 |
|
|
|
781 |
|
|
U32 |
782 |
root |
1.12 |
index (BUFOBJ self, int ndx = -1) |
783 |
root |
1.1 |
CODE: |
784 |
|
|
{ |
785 |
|
|
if (ndx >= 0 && ndx < len) |
786 |
|
|
{ |
787 |
|
|
cur = buf + ndx; |
788 |
|
|
rem = len - ndx; |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
RETVAL = cur - buf; |
792 |
|
|
} |
793 |
root |
1.18 |
OUTPUT: RETVAL |
794 |
root |
1.1 |
|
795 |
|
|
U32 |
796 |
root |
1.12 |
_process_length (BUFOBJ self, ...) |
797 |
root |
1.1 |
ALIAS: |
798 |
root |
1.3 |
_process_sequence = 0 |
799 |
root |
1.1 |
CODE: |
800 |
|
|
RETVAL = process_length (); |
801 |
root |
1.18 |
OUTPUT: RETVAL |
802 |
root |
1.1 |
|
803 |
root |
1.4 |
SV * |
804 |
root |
1.12 |
_process_integer32 (BUFOBJ self, ...) |
805 |
root |
1.4 |
CODE: |
806 |
|
|
RETVAL = process_integer32_sv (); |
807 |
root |
1.18 |
OUTPUT: RETVAL |
808 |
root |
1.4 |
|
809 |
|
|
SV * |
810 |
root |
1.12 |
_process_counter (BUFOBJ self, ...) |
811 |
root |
1.1 |
ALIAS: |
812 |
root |
1.4 |
_process_gauge = 0 |
813 |
|
|
_process_timeticks = 0 |
814 |
root |
1.1 |
CODE: |
815 |
root |
1.4 |
RETVAL = process_unsigned32_sv (); |
816 |
root |
1.18 |
OUTPUT: RETVAL |
817 |
root |
1.1 |
|
818 |
root |
1.8 |
#if IVSIZE >= 8 |
819 |
|
|
|
820 |
|
|
SV * |
821 |
root |
1.12 |
_process_counter64 (BUFOBJ self, ...) |
822 |
root |
1.8 |
CODE: |
823 |
|
|
RETVAL = process_unsigned64_sv (); |
824 |
root |
1.18 |
OUTPUT: RETVAL |
825 |
root |
1.8 |
|
826 |
|
|
#endif |
827 |
|
|
|
828 |
root |
1.1 |
SV * |
829 |
root |
1.12 |
_process_object_identifier (BUFOBJ self, ...) |
830 |
root |
1.1 |
CODE: |
831 |
root |
1.4 |
RETVAL = process_object_identifier_sv (); |
832 |
root |
1.18 |
OUTPUT: RETVAL |
833 |
root |
1.1 |
|
834 |
|
|
SV * |
835 |
root |
1.12 |
_process_octet_string (BUFOBJ self, ...) |
836 |
root |
1.1 |
ALIAS: |
837 |
|
|
_process_opaque = 0 |
838 |
|
|
CODE: |
839 |
root |
1.4 |
RETVAL = process_octet_string_sv (); |
840 |
root |
1.18 |
OUTPUT: RETVAL |
841 |
root |
1.1 |
|
842 |
|
|
SV * |
843 |
root |
1.12 |
_process_ipaddress (BUFOBJ self, ...) |
844 |
root |
1.1 |
CODE: |
845 |
|
|
{ |
846 |
root |
1.17 |
U32 length = process_length (); |
847 |
root |
1.1 |
if (length != 4) |
848 |
|
|
{ |
849 |
|
|
error ("IP ADDRESS length not four"); |
850 |
|
|
XSRETURN_UNDEF; |
851 |
|
|
} |
852 |
|
|
|
853 |
|
|
U8 *data = getn (4, "\x00\x00\x00\x00"); |
854 |
|
|
RETVAL = newSVpvf ("%d.%d.%d.%d", data [0], data [1], data [2], data [3]); |
855 |
|
|
} |
856 |
root |
1.18 |
OUTPUT: RETVAL |
857 |
root |
1.1 |
|
858 |
root |
1.3 |
SV * |
859 |
root |
1.12 |
process (BUFOBJ self, SV *expected = &PL_sv_undef, SV *found = 0) |
860 |
root |
1.6 |
CODE: |
861 |
root |
1.3 |
{ |
862 |
root |
1.17 |
int type; |
863 |
root |
1.3 |
|
864 |
root |
1.6 |
RETVAL = process_sv (&type); |
865 |
root |
1.3 |
|
866 |
|
|
if (found) |
867 |
|
|
sv_setiv (found, type); |
868 |
|
|
|
869 |
root |
1.6 |
if (SvOK (expected) && type != SvIV (expected)) |
870 |
|
|
error ("Expected a different type than found"); |
871 |
root |
1.4 |
} |
872 |
root |
1.18 |
OUTPUT: RETVAL |
873 |
root |
1.4 |
|
874 |
|
|
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
875 |
|
|
|
876 |
|
|
SV * |
877 |
root |
1.12 |
_process_var_bind_list (BUFOBJ self) |
878 |
root |
1.4 |
CODE: |
879 |
|
|
{ |
880 |
root |
1.20 |
if (get8 () != ASN_SEQUENCE | ASN_CONSTRUCTED) |
881 |
root |
1.6 |
error ("SEQUENCE expected at beginning of VarBindList"); |
882 |
root |
1.20 |
|
883 |
root |
1.6 |
int seqlen = process_length (); |
884 |
|
|
U8 *end = cur + seqlen; |
885 |
|
|
|
886 |
|
|
HV *list = newHV (); |
887 |
|
|
AV *names = newAV (); |
888 |
|
|
HV *types = newHV (); |
889 |
|
|
|
890 |
root |
1.12 |
hv_store ((HV *)cur_bufobj, "_var_bind_list" , sizeof ("_var_bind_list" ) - 1, newRV_noinc ((SV *)list ), 0); |
891 |
|
|
hv_store ((HV *)cur_bufobj, "_var_bind_names", sizeof ("_var_bind_names") - 1, newRV_noinc ((SV *)names), 0); |
892 |
|
|
hv_store ((HV *)cur_bufobj, "_var_bind_types", sizeof ("_var_bind_types") - 1, newRV_noinc ((SV *)types), 0); |
893 |
root |
1.4 |
|
894 |
root |
1.6 |
while (cur < end && !errflag) |
895 |
|
|
{ |
896 |
|
|
// SEQUENCE ObjectName ObjectSyntax |
897 |
root |
1.20 |
if (get8 () != ASN_SEQUENCE | ASN_CONSTRUCTED) |
898 |
root |
1.6 |
error ("SEQUENCE expected at beginning of VarBind"); |
899 |
|
|
process_length (); |
900 |
|
|
|
901 |
|
|
if (get8 () != ASN_OBJECT_IDENTIFIER) |
902 |
|
|
error ("OBJECT IDENTIFIER expected at beginning of VarBind"); |
903 |
|
|
int type, oidlen; |
904 |
root |
1.7 |
SV *oid = process_object_identifier_sv (); |
905 |
root |
1.6 |
SV *val = process_sv (&type); |
906 |
|
|
|
907 |
root |
1.7 |
hv_store_ent (types, oid, newSViv (type), 0); |
908 |
|
|
hv_store_ent (list , oid, val, 0); |
909 |
|
|
av_push (names, oid); |
910 |
root |
1.6 |
} |
911 |
root |
1.4 |
|
912 |
root |
1.12 |
// sigh - great design to do it here |
913 |
|
|
SV *pdu_type = *hv_fetch ((HV *)cur_bufobj, "_pdu_type" , sizeof ("_pdu_type" ) - 1, 1); |
914 |
|
|
|
915 |
|
|
if (SvIV (pdu_type) == 0xa8) // REPORT |
916 |
|
|
{ |
917 |
|
|
PUSHMARK (SP); |
918 |
|
|
XPUSHs (msg); |
919 |
|
|
PUTBACK; |
920 |
|
|
call_method ("_report_pdu_error", G_VOID | G_DISCARD); |
921 |
|
|
SPAGAIN; |
922 |
|
|
XSRETURN_EMPTY; |
923 |
|
|
} |
924 |
root |
1.4 |
|
925 |
root |
1.6 |
RETVAL = newRV_inc ((SV *)list); |
926 |
root |
1.4 |
} |
927 |
root |
1.18 |
OUTPUT: RETVAL |
928 |
root |
1.3 |
|
929 |
root |
1.10 |
MODULE = Net::SNMP::XS PACKAGE = Net::SNMP |
930 |
|
|
|
931 |
|
|
void |
932 |
|
|
oid_base_match (SV *base_, SV *oid_) |
933 |
|
|
PROTOTYPE: $$ |
934 |
|
|
ALIAS: |
935 |
|
|
oid_context_match = 0 |
936 |
|
|
PPCODE: |
937 |
|
|
{ |
938 |
|
|
if (!SvOK (base_) || !SvOK (oid_)) |
939 |
|
|
XSRETURN_NO; |
940 |
|
|
|
941 |
|
|
STRLEN blen, olen; |
942 |
root |
1.13 |
char *base = SvPVbyte (base_, blen); |
943 |
|
|
char *oid = SvPVbyte (oid_ , olen); |
944 |
root |
1.10 |
|
945 |
|
|
blen -= *base == '.'; base += *base == '.'; |
946 |
|
|
olen -= *base == '.'; oid += *oid == '.'; |
947 |
|
|
|
948 |
|
|
if (olen < blen) |
949 |
|
|
XSRETURN_NO; |
950 |
|
|
|
951 |
|
|
if (memcmp (base, oid, blen)) |
952 |
|
|
XSRETURN_NO; |
953 |
|
|
|
954 |
|
|
if (oid [blen] && oid [blen] != '.') |
955 |
|
|
XSRETURN_NO; |
956 |
|
|
|
957 |
|
|
XSRETURN_YES; |
958 |
|
|
} |
959 |
|
|
|
960 |
|
|
#if HAVE_VERSIONSORT |
961 |
|
|
|
962 |
|
|
void |
963 |
|
|
oid_lex_sort (...) |
964 |
|
|
PROTOTYPE: @ |
965 |
|
|
PPCODE: |
966 |
|
|
{ |
967 |
|
|
// make sure SvPVX is valid |
968 |
|
|
int i; |
969 |
|
|
for (i = items; i--; ) |
970 |
|
|
{ |
971 |
|
|
SV *sv = ST (i); |
972 |
|
|
|
973 |
|
|
if (SvTYPE (sv) < SVt_PV || SvTYPE (sv) == SVt_PVAV && SvTYPE (sv) == SVt_PVHV) |
974 |
|
|
SvPV_force_nolen (sv); |
975 |
|
|
} |
976 |
|
|
|
977 |
|
|
qsort (&ST (0), items, sizeof (SV *), oid_lex_cmp); |
978 |
|
|
|
979 |
|
|
EXTEND (SP, items); |
980 |
|
|
// we cheat somewhat by not returning copies here |
981 |
|
|
for (i = 0; i < items; ++i) |
982 |
|
|
PUSHs (sv_2mortal (SvREFCNT_inc (ST (i)))); |
983 |
|
|
} |
984 |
|
|
|
985 |
|
|
int |
986 |
|
|
_index_cmp (const char *a, const char *b) |
987 |
|
|
PROTOTYPE: $$ |
988 |
|
|
CODE: |
989 |
|
|
RETVAL = strverscmp (a, b); |
990 |
root |
1.18 |
OUTPUT: RETVAL |
991 |
root |
1.10 |
|
992 |
|
|
#endif |
993 |
root |
1.3 |
|