| … | |
… | |
| 2 | #include "perl.h" |
2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
| 4 | |
4 | |
| 5 | // C99 required |
5 | // C99 required |
| 6 | |
6 | |
| 7 | #define ASN_BOOLEAN 0x01 |
7 | #define ASN_BOOLEAN 0x01 |
| 8 | #define ASN_INTEGER 0x02 |
8 | #define ASN_INTEGER32 0x02 |
| 9 | #define ASN_BIT_STR 0x03 |
|
|
| 10 | #define ASN_OCTET_STR 0x04 |
9 | #define ASN_OCTET_STRING 0x04 |
| 11 | #define ASN_NULL 0x05 |
10 | #define ASN_NULL 0x05 |
| 12 | #define ASN_OBJECT_ID 0x06 |
11 | #define ASN_OBJECT_IDENTIFIER 0x06 |
| 13 | #define ASN_SEQUENCE 0x10 |
12 | #define ASN_SEQUENCE 0x30 |
| 14 | #define ASN_SET 0x11 |
|
|
| 15 | |
|
|
| 16 | #define ASN_UNIVERSAL 0x00 |
13 | #define ASN_IPADDRESS 0x40 |
| 17 | #define ASN_APPLICATION 0x40 |
|
|
| 18 | #define ASN_CONTEXT 0x80 |
14 | #define ASN_COUNTER32 0x41 |
|
|
15 | #define ASN_UNSIGNED32 0x42 |
|
|
16 | #define ASN_TIMETICKS 0x43 |
| 19 | #define ASN_PRIVATE 0xc0 |
17 | #define ASN_OPAQUE 0x44 |
| 20 | |
|
|
| 21 | #define ASN_PRIMITIVE 0x00 |
|
|
| 22 | #define ASN_CONSTRUCTOR 0x20 |
|
|
| 23 | |
|
|
| 24 | #define ASN_LONG_LEN 0x80 |
18 | #define ASN_COUNTER64 0x46 |
| 25 | #define ASN_EXTENSION_ID 0x1f |
|
|
| 26 | #define ASN_BIT8 0x80 |
|
|
| 27 | |
19 | |
| 28 | #define BENCHMARK |
20 | #define BENCHMARK |
| 29 | |
21 | |
|
|
22 | #define MAX_OID_STRLEN 4096 |
|
|
23 | |
| 30 | static SV *msg; |
24 | static SV *msg; |
| 31 | static int errflag; |
25 | static int errflag, leading_dot; |
| 32 | static U8 *buf, *cur; |
26 | static U8 *buf, *cur; |
| 33 | static STRLEN len, rem; |
27 | static STRLEN len, rem; |
| 34 | |
28 | |
| 35 | static SV * |
29 | static SV * |
| 36 | x_get_cv (SV *cb_sv) |
30 | x_get_cv (SV *cb_sv) |
| … | |
… | |
| 147 | } |
141 | } |
| 148 | |
142 | |
| 149 | return res; |
143 | return res; |
| 150 | } |
144 | } |
| 151 | |
145 | |
|
|
146 | static U32 |
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147 | process_integer32 (void) |
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148 | { |
|
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149 | U32 length = process_length (); |
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150 | |
|
|
151 | if (length <= 0) |
|
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152 | { |
|
|
153 | error ("INTEGER32 length equal to zero"); |
|
|
154 | return 0; |
|
|
155 | } |
|
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156 | |
|
|
157 | U8 *data = getn (length, 0); |
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158 | |
|
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159 | if (!data) |
|
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160 | return 0; |
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161 | |
|
|
162 | if (length > 5 || (length > 4 && data [0])) |
|
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163 | { |
|
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164 | error ("INTEGER32 length too long"); |
|
|
165 | return 0; |
|
|
166 | } |
|
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167 | |
|
|
168 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
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169 | |
|
|
170 | while (length--) |
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171 | res = (res << 8) | *data++; |
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172 | |
|
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173 | return res; |
|
|
174 | } |
|
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175 | |
|
|
176 | static SV * |
|
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177 | process_integer32_sv (void) |
|
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178 | { |
|
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179 | return newSViv ((I32)process_integer32 ()); |
|
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180 | } |
|
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181 | |
|
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182 | static SV * |
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183 | process_unsigned32_sv (void) |
|
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184 | { |
|
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185 | return newSVuv ((U32)process_integer32 ()); |
|
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186 | } |
|
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187 | |
|
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188 | static SV * |
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189 | process_octet_string_sv (void) |
|
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190 | { |
|
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191 | U32 length = process_length (); |
|
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192 | |
|
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193 | U8 *data = getn (length, 0); |
|
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194 | if (!data) |
|
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195 | { |
|
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196 | error ("OCTET STRING too long"); |
|
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197 | return &PL_sv_undef; |
|
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198 | } |
|
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199 | |
|
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200 | return newSVpvn (data, length); |
|
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201 | } |
|
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202 | static SV * |
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203 | process_object_identifier_sv (void) |
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204 | { |
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205 | U32 length = process_length (); |
|
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206 | |
|
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207 | if (length <= 0) |
|
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208 | { |
|
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209 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
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210 | return &PL_sv_undef; |
|
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211 | } |
|
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212 | |
|
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213 | U8 *end = cur + length; |
|
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214 | U32 w = getb (); |
|
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215 | |
|
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216 | static char oid[MAX_OID_STRLEN]; |
|
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217 | char *buf = oid; |
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218 | |
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219 | if (leading_dot) |
|
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220 | *buf++ = '.'; |
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221 | |
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222 | buf += snprintf (buf, oid + sizeof (oid) - buf, "%d.%d", (int)w / 40, (int)w % 40); |
|
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223 | |
|
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224 | while (cur < end) |
|
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225 | { |
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226 | w = getb (); |
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227 | buf += snprintf (buf, oid + sizeof (oid) - buf, ".%u", (unsigned int)w); |
|
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228 | } |
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229 | |
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230 | return newSVpvn (oid, buf - oid); |
|
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231 | } |
|
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232 | |
| 152 | static AV *av_type; |
233 | static AV *av_type; |
| 153 | |
234 | |
| 154 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
235 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::XS |
| 155 | |
236 | |
| 156 | PROTOTYPES: ENABLE |
237 | PROTOTYPES: ENABLE |
| … | |
… | |
| 164 | av_store (av_type, type, SvREFCNT_inc (x_get_cv (cv))); |
245 | av_store (av_type, type, SvREFCNT_inc (x_get_cv (cv))); |
| 165 | |
246 | |
| 166 | void |
247 | void |
| 167 | set_msg (SV *msg_, SV *buf_) |
248 | set_msg (SV *msg_, SV *buf_) |
| 168 | CODE: |
249 | CODE: |
| 169 | errflag = 0; |
250 | errflag = 0; |
|
|
251 | leading_dot = -1; |
| 170 | msg = SvREFCNT_inc (msg_); |
252 | msg = SvREFCNT_inc (msg_); |
| 171 | buf = SvPVbyte (buf_, len); |
253 | buf = SvPVbyte (buf_, len); |
| 172 | cur = buf; |
254 | cur = buf; |
| 173 | rem = len; |
255 | rem = len; |
| 174 | #ifdef BENCHMARK |
256 | #ifdef BENCHMARK |
| 175 | t1 = tstamp (); |
257 | t1 = tstamp (); |
| 176 | #endif |
258 | #endif |
| 177 | |
259 | |
| 178 | void |
260 | void |
| 179 | clr_msg () |
261 | clr_msg () |
| 180 | CODE: |
262 | CODE: |
| … | |
… | |
| 230 | CODE: |
312 | CODE: |
| 231 | RETVAL = process_length (); |
313 | RETVAL = process_length (); |
| 232 | OUTPUT: |
314 | OUTPUT: |
| 233 | RETVAL |
315 | RETVAL |
| 234 | |
316 | |
| 235 | I32 |
317 | SV * |
| 236 | _process_integer32 (SV *self, ...) |
318 | _process_integer32 (SV *self, ...) |
|
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319 | CODE: |
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320 | RETVAL = process_integer32_sv (); |
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321 | OUTPUT: |
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322 | RETVAL |
|
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323 | |
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324 | SV * |
|
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325 | _process_counter (SV *self, ...) |
| 237 | ALIAS: |
326 | ALIAS: |
| 238 | _process_counter = 0 |
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| 239 | _process_gauge = 0 |
327 | _process_gauge = 0 |
|
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328 | _process_timeticks = 0 |
| 240 | CODE: |
329 | CODE: |
| 241 | { |
330 | RETVAL = process_unsigned32_sv (); |
| 242 | U32 length = process_length (); |
|
|
| 243 | |
|
|
| 244 | if (length <= 0) |
|
|
| 245 | { |
|
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| 246 | error ("INTEGER32 length equal to zero"); |
|
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| 247 | XSRETURN_UNDEF; |
|
|
| 248 | } |
|
|
| 249 | |
|
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| 250 | U8 *data = getn (length, 0); |
|
|
| 251 | |
|
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| 252 | if (!data) |
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| 253 | XSRETURN_UNDEF; |
|
|
| 254 | |
|
|
| 255 | if (length > 5 || (length > 4 && data [0])) |
|
|
| 256 | { |
|
|
| 257 | error ("INTEGER32 length too long"); |
|
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| 258 | XSRETURN_UNDEF; |
|
|
| 259 | } |
|
|
| 260 | |
|
|
| 261 | U32 res = data [0] & 0x80 ? 0xffffffff : 0; |
|
|
| 262 | |
|
|
| 263 | while (length--) |
|
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| 264 | res = (res << 8) | *data++; |
|
|
| 265 | |
|
|
| 266 | RETVAL = res; |
|
|
| 267 | } |
|
|
| 268 | OUTPUT: |
331 | OUTPUT: |
| 269 | RETVAL |
332 | RETVAL |
| 270 | |
333 | |
| 271 | SV * |
334 | SV * |
| 272 | _process_object_identifier (SV *self, ...) |
335 | _process_object_identifier (SV *self, ...) |
| 273 | CODE: |
336 | CODE: |
| 274 | { |
337 | RETVAL = process_object_identifier_sv (); |
| 275 | U32 length = process_length (); |
|
|
| 276 | |
|
|
| 277 | if (length <= 0) |
|
|
| 278 | { |
|
|
| 279 | error ("OBJECT IDENTIFIER length equal to zero"); |
|
|
| 280 | XSRETURN_UNDEF; |
|
|
| 281 | } |
|
|
| 282 | |
|
|
| 283 | U8 *end = cur + length; |
|
|
| 284 | U32 w = getb (); |
|
|
| 285 | |
|
|
| 286 | //TODO: leading_dots |
|
|
| 287 | |
|
|
| 288 | RETVAL = newSVpvf (".%d.%d", (int)w / 40, (int)w % 40); |
|
|
| 289 | |
|
|
| 290 | while (cur < end) |
|
|
| 291 | { |
|
|
| 292 | w = getb (); |
|
|
| 293 | sv_catpvf (RETVAL, ".%u", (unsigned int)w); |
|
|
| 294 | } |
|
|
| 295 | } |
|
|
| 296 | OUTPUT: |
338 | OUTPUT: |
| 297 | RETVAL |
339 | RETVAL |
| 298 | |
340 | |
| 299 | SV * |
341 | SV * |
| 300 | _process_octet_string (SV *self, ...) |
342 | _process_octet_string (SV *self, ...) |
| 301 | ALIAS: |
343 | ALIAS: |
| 302 | _process_opaque = 0 |
344 | _process_opaque = 0 |
| 303 | CODE: |
345 | CODE: |
| 304 | { |
346 | RETVAL = process_octet_string_sv (); |
| 305 | U32 length = process_length (); |
|
|
| 306 | |
|
|
| 307 | U8 *data = getn (length, 0); |
|
|
| 308 | if (!data) |
|
|
| 309 | { |
|
|
| 310 | error ("OCTET STRING too long"); |
|
|
| 311 | XSRETURN_UNDEF; |
|
|
| 312 | } |
|
|
| 313 | |
|
|
| 314 | RETVAL = newSVpvn (data, length); |
|
|
| 315 | } |
|
|
| 316 | OUTPUT: |
347 | OUTPUT: |
| 317 | RETVAL |
348 | RETVAL |
| 318 | |
349 | |
| 319 | SV * |
350 | SV * |
| 320 | _process_ipaddress (SV *self, ...) |
351 | _process_ipaddress (SV *self, ...) |
| … | |
… | |
| 353 | } |
384 | } |
| 354 | |
385 | |
| 355 | if (found) |
386 | if (found) |
| 356 | sv_setiv (found, type); |
387 | sv_setiv (found, type); |
| 357 | |
388 | |
|
|
389 | //TODO: switch based on type, to avoid calling overhead |
| 358 | SV *res; |
390 | SV *res; |
| 359 | |
391 | |
|
|
392 | switch (type) |
| 360 | { |
393 | { |
|
|
394 | case ASN_OBJECT_IDENTIFIER: |
|
|
395 | res = sv_2mortal (process_object_identifier_sv ()); |
|
|
396 | break; |
|
|
397 | |
|
|
398 | case ASN_INTEGER32: |
|
|
399 | res = sv_2mortal (process_integer32_sv ()); |
|
|
400 | break; |
|
|
401 | |
|
|
402 | case ASN_UNSIGNED32: |
|
|
403 | case ASN_COUNTER32: |
|
|
404 | case ASN_TIMETICKS: |
|
|
405 | res = sv_2mortal (process_unsigned32_sv ()); |
|
|
406 | break; |
|
|
407 | |
|
|
408 | case ASN_SEQUENCE: |
|
|
409 | res = sv_2mortal (newSVuv (process_length ())); |
|
|
410 | break; |
|
|
411 | |
|
|
412 | case ASN_OCTET_STRING: |
|
|
413 | case ASN_OPAQUE: |
|
|
414 | res = sv_2mortal (process_octet_string_sv ()); |
|
|
415 | break; |
|
|
416 | |
|
|
417 | default: |
|
|
418 | { |
| 361 | dSP; |
419 | dSP; |
| 362 | PUSHMARK (SP); |
420 | PUSHMARK (SP); |
| 363 | EXTEND (SP, 2); |
421 | EXTEND (SP, 2); |
| 364 | PUSHs (self); |
422 | PUSHs (self); |
| 365 | PUSHs (expected); |
423 | PUSHs (expected); |
| 366 | PUTBACK; |
424 | PUTBACK; |
| 367 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
425 | int count = call_sv (AvARRAY (av_type)[type], G_SCALAR); |
| 368 | SPAGAIN; |
426 | SPAGAIN; |
| 369 | res = count ? TOPs : &PL_sv_undef; |
427 | res = count ? TOPs : &PL_sv_undef; |
|
|
428 | } |
|
|
429 | } |
|
|
430 | |
|
|
431 | XPUSHs (errflag ? &PL_sv_undef : res); |
|
|
432 | } |
|
|
433 | |
|
|
434 | #if 0 |
|
|
435 | |
|
|
436 | MODULE = Net::SNMP::XS PACKAGE = Net::SNMP::PDU |
|
|
437 | |
|
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438 | SV * |
|
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439 | _process_var_bind_list (SV *self) |
|
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440 | CODE: |
|
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441 | { |
|
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442 | # VarBindList::=SEQUENCE |
|
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443 | if (!defined($value = $this->process(SEQUENCE))) { |
|
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444 | return $this->_error; |
| 370 | } |
445 | } |
| 371 | |
446 | |
| 372 | XPUSHs (res); |
447 | # Using the length of the VarBindList SEQUENCE, |
|
|
448 | # calculate the end index. |
|
|
449 | |
|
|
450 | my $end = $this->index + $value; |
|
|
451 | |
|
|
452 | $this->{_var_bind_list} = {}; |
|
|
453 | $this->{_var_bind_names} = []; |
|
|
454 | $this->{_var_bind_types} = {}; |
|
|
455 | |
|
|
456 | my ($oid, $type); |
|
|
457 | |
|
|
458 | while ($this->index < $end) { |
|
|
459 | |
|
|
460 | # VarBind::=SEQUENCE |
|
|
461 | if (!defined($this->process(SEQUENCE))) { |
|
|
462 | return $this->_error; |
|
|
463 | } |
|
|
464 | # name::=ObjectName |
|
|
465 | if (!defined($oid = $this->process(OBJECT_IDENTIFIER))) { |
|
|
466 | return $this->_error; |
|
|
467 | } |
|
|
468 | # value::=ObjectSyntax |
|
|
469 | if (!defined($value = $this->process(undef, $type))) { |
|
|
470 | return $this->_error; |
|
|
471 | } |
|
|
472 | |
|
|
473 | # Create a hash consisting of the OBJECT IDENTIFIER as a |
|
|
474 | # key and the ObjectSyntax as the value. If there is a |
|
|
475 | # duplicate OBJECT IDENTIFIER in the VarBindList, we pad |
|
|
476 | # that OBJECT IDENTIFIER with spaces to make a unique |
|
|
477 | # key in the hash. |
|
|
478 | |
|
|
479 | while (exists($this->{_var_bind_list}->{$oid})) { |
|
|
480 | $oid .= ' '; # Pad with spaces |
|
|
481 | } |
|
|
482 | |
|
|
483 | DEBUG_INFO('{ %s => %s: %s }', $oid, asn1_itoa($type), $value); |
|
|
484 | $this->{_var_bind_list}->{$oid} = $value; |
|
|
485 | $this->{_var_bind_types}->{$oid} = $type; |
|
|
486 | |
|
|
487 | # Create an array with the ObjectName OBJECT IDENTIFIERs |
|
|
488 | # so that the order in which the VarBinds where encoded |
|
|
489 | # in the PDU can be retrieved later. |
|
|
490 | |
|
|
491 | push(@{$this->{_var_bind_names}}, $oid); |
|
|
492 | |
|
|
493 | } |
|
|
494 | |
|
|
495 | # Return an error based on the contents of the VarBindList |
|
|
496 | # if we received a Report-PDU. |
|
|
497 | |
|
|
498 | return $this->_report_pdu_error if ($this->{_pdu_type} == REPORT); |
|
|
499 | |
|
|
500 | # Return the var_bind_list hash |
|
|
501 | $this->{_var_bind_list}; |
| 373 | } |
502 | } |
| 374 | |
503 | |
|
|
504 | #endif |
|
|
505 | |
