Contributed Logic / file comparison

comparison: opensips/enum-isn.diff

opensips/enum-isn.diff

changeset 19
3374f578f080
equal deleted inserted replaced
0:7cd5555b4d07 -1:000000000000
1 Index: modules/enum/enum_mod.h
2 diff -Nau modules/enum/enum_mod.h.orig modules/enum/enum_mod.h
3 --- modules/enum/enum_mod.h.orig 2010-01-18 15:54:52.842465412 +0100
4 +++ modules/enum/enum_mod.h 2010-01-18 15:55:20.812190874 +0100
5 @@ -41,5 +41,7 @@
6 extern str i_branchlabel; /* the label branching off the infrastructure tree */
7 extern str i_bl_alg; /* how to know where to branch off */
8
9 +extern str isnsuffix; /* str version of isn_suffix */
10 +
11
12 #endif /* ENUM_MOD_H */
13 Index: modules/enum/enum_mod.c
14 diff -Nau modules/enum/enum_mod.c.orig modules/enum/enum_mod.c
15 --- modules/enum/enum_mod.c.orig 2010-01-18 15:52:57.316263519 +0100
16 +++ modules/enum/enum_mod.c 2010-01-18 15:52:42.844229824 +0100
17 @@ -55,6 +55,8 @@
18 char* i_enum_suffix = "e164.arpa.";
19 char* bl_algorithm = "cc";
20
21 +char* isn_suffix = "freenum.org.";
22 +
23
24 /*
25 * Internal module variables
26 @@ -67,6 +69,8 @@
27 str i_branchlabel;
28 str i_bl_alg;
29
30 +str isnsuffix;
31 +
32
33 /*
34 * Exported functions
35 @@ -94,6 +98,11 @@
36 REQUEST_ROUTE},
37 {"i_enum_query", (cmd_function)i_enum_query_2, 2, fixup_str_str, 0,
38 REQUEST_ROUTE},
39 + {"isn_query", (cmd_function)isn_query_0, 0, 0, 0, REQUEST_ROUTE},
40 + {"isn_query", (cmd_function)isn_query_1, 1, fixup_str_null,
41 + fixup_free_str_null, REQUEST_ROUTE},
42 + {"isn_query", (cmd_function)isn_query_2, 2, fixup_str_str,
43 + fixup_free_str_str, REQUEST_ROUTE},
44 {0, 0, 0, 0, 0, 0}
45 };
46
47 @@ -107,6 +116,7 @@
48 {"branchlabel", STR_PARAM, &branchlabel},
49 {"i_enum_suffix", STR_PARAM, &i_enum_suffix},
50 {"bl_algorithm", STR_PARAM, &bl_algorithm},
51 + {"isn_suffix", STR_PARAM, &isn_suffix},
52 {0, 0, 0}
53 };
54
55 @@ -152,6 +162,9 @@
56 i_bl_alg.s = bl_algorithm;
57 i_bl_alg.len = strlen(bl_algorithm);
58
59 + isnsuffix.s = isn_suffix;
60 + isnsuffix.len = strlen(isn_suffix.s);
61 +
62 return 0;
63 }
64
65 Index: modules/enum/enum.h
66 diff -Nau modules/enum/enum.h.orig modules/enum/enum.h
67 --- modules/enum/enum.h.orig 2010-01-18 15:54:40.361624448 +0100
68 +++ modules/enum/enum.h 2010-01-18 15:54:43.090330399 +0100
69 @@ -66,5 +66,13 @@
70 int i_enum_query_1(struct sip_msg* _msg, char* _suffix, char* _str2);
71 int i_enum_query_2(struct sip_msg* _msg, char* _suffix, char* _service);
72
73 +/*
74 + * Make ISN query and if query succeeds, replace current uri with the
75 + * result of the query
76 + */
77 +int isn_query_0(struct sip_msg* _msg, char* _str1, char* _str2);
78 +int isn_query_1(struct sip_msg* _msg, char* _suffix, char* _str2);
79 +int isn_query_2(struct sip_msg* _msg, char* _suffix, char* _service);
80 +
81
82 #endif /* ENUM_H */
83 Index: modules/enum/enum.c
84 diff -Nau modules/enum/enum.c.orig modules/enum/enum.c
85 --- modules/enum/enum.c.orig 2010-01-18 15:57:10.995902181 +0100
86 +++ modules/enum/enum.c 2010-01-18 15:46:19.642209178 +0100
87 @@ -736,6 +736,84 @@
88 }
89
90
91 +/*
92 + * Call isn_query_2 with module parameter suffix and default service.
93 + */
94 +int isn_query_0(struct sip_msg* _msg, char* _str1, char* _str2)
95 +{
96 + return isn_query_2(_msg, (char *)(&isnsuffix), (char *)(&service));
97 +}
98 +
99 +
100 +/*
101 + * Call isn_query_2 with given suffix and default service.
102 + */
103 +int isn_query_1(struct sip_msg* _msg, char* _suffix, char* _str2)
104 +{
105 + return isn_query_2(_msg, _suffix, (char *)(&service));
106 +}
107 +
108 +
109 +/*
110 + * See documentation in README file.
111 + */
112 +int isn_query_2(struct sip_msg* _msg, char* _suffix, char* _service)
113 +{
114 + char *user_s = NULL;
115 + int user_len, i, j;
116 + char name[MAX_DOMAIN_SIZE] = {0};
117 + char string[17] = {0};
118 + char szItad[17] = {0};
119 + size_t nItlen = 0;
120 +
121 + str *suffix, *service;
122 +
123 + suffix = (str*)_suffix;
124 + service = (str*)_service;
125 +
126 + if (parse_sip_msg_uri(_msg) < 0) {
127 + LM_ERR("Parsing of R-URI failed\n");
128 + return -1;
129 + }
130 +
131 + user_s = _msg->parsed_uri.user.s;
132 + user_len = _msg->parsed_uri.user.len;
133 +
134 + memcpy(&(string[0]), user_s, user_len);
135 + string[user_len] = (char)0;
136 +
137 + /* Do primitive test for correct ISN format, */
138 + /* and set szItad to the ISN ITAD (RFC 3872/2871). */
139 + /* Correct ISN format guessed from freenum.org and IANA */
140 + /* doc http://www.iana.org/assignments/trip-parameters/ */
141 + {
142 + char *pAster = strchr(string, '*');
143 + if (pAster && (nItlen = strspn(pAster + sizeof(char), "0123456789")))
144 + strncpy(szItad, pAster + sizeof(char), nItlen);
145 + else {
146 + LM_ERR("R-URI user does not contain a valid ISN\n");
147 + return -1;
148 + }
149 + }
150 +
151 + /* Ammend the original ENUM E.164 string logic to process */
152 + /* ISN numbers instead, which include a nonreversed ITAD. */
153 + i = user_len - nItlen - sizeof(char); /* Ex: *1212 */
154 + j = 0;
155 + while (i--) {
156 + name[j] = user_s[i];
157 + name[j + 1] = '.';
158 + j = j + 2;
159 + }
160 +
161 + strcat(name + j, szItad); /* Copy the unreversed ITAD, */
162 + name[j + nItlen] = '.'; /* and append a trailing dot. */
163 + memcpy(name + j + nItlen + sizeof(char), suffix->s, suffix->len + 1);
164 +
165 + return do_query(_msg, string, name, service);
166 +}
167 +
168 +
169 /*********** INFRASTRUCTURE ENUM ***************/
170
171 /*
172 Index: modules/enum/README
173 diff -Nau modules/enum/README.orig modules/enum/README
174 --- modules/enum/README.orig 2010-01-18 17:59:52.034172367 +0100
175 +++ modules/enum/README 2010-01-18 18:01:30.730633377 +0100
176 @@ -10,8 +10,8 @@
177
178 Copyright © 2002, 2003 Juha Heinanen
179 Revision History
180 - Revision $Revision: 5906 $ $Date: 2009-07-21 10:45:05 +0300
181 - (Tue, 21 Jul 2009) $
182 + Revision $Revision: 5907 $ $Date: 2010-01-18 10:45:05 +0100
183 + (Mon, 18 Jan 2010) $
184 __________________________________________________________
185
186 Table of Contents
187 @@ -25,28 +25,32 @@
188 1.3.1. domain_suffix (string)
189 1.3.2. tel_uri_params (string)
190 1.3.3. i_enum_suffix (string)
191 - 1.3.4. branchlabel (string)
192 - 1.3.5. bl_algorithm (string)
193 + 1.3.4. isn_suffix (string)
194 + 1.3.5. branchlabel (string)
195 + 1.3.6. bl_algorithm (string)
196
197 1.4. Exported Functions
198
199 1.4.1. enum_query(["suffix"[,"service"]])
200 1.4.2. enum_pv_query("pvar"[,"suffix"[,"service"]])
201 1.4.3. i_enum_query(["suffix"[,"service"]])
202 - 1.4.4. is_from_user_enum()
203 + 1.4.4. isn_query(["suffix"[,"service"]])
204 + 1.4.5. is_from_user_enum()
205
206 List of Examples
207
208 1.1. Setting domain_suffix module parameter
209 1.2. Setting tel_uri_params module parameter
210 1.3. Setting i_enum_suffix module parameter
211 - 1.4. Setting brachlabel module parameter
212 - 1.5. Zone file example
213 + 1.4. Setting isn_query usage module parameter
214 + 1.5. Setting branchlabel module parameter
215 1.6. Zone file example
216 - 1.7. Setting the bl_algorithm module parameter
217 - 1.8. enum_query usage
218 - 1.9. enum_pv_query usage
219 - 1.10. is_from_user_enum usage
220 + 1.7. Zone file example
221 + 1.8. Setting the bl_algorithm module parameter
222 + 1.9. enum_query usage
223 + 1.10. enum_pv_query usage
224 + 1.11. isn_query usage
225 + 1.12. is_from_user_enum usage
226
227 Chapter 1. Admin Guide
228
229 @@ -113,6 +117,22 @@
230 function does an enum lookup on the from user and returns true
231 if found, false otherwise.
232
233 + In addition to standard ENUM, support for ISN (ITAD Subscriber
234 + Numbers) is provided as well. To allow ISN lookups to resolve,
235 + a different formatting algorithm is expected by the DNS server.
236 + Whereas a ENUM NAPTR record expects a DNS query of the form
237 + 9.8.7.6.5.4.3.2.1.<suffix>, ISN method expects a DNS query of
238 + the form 6.5.1212.<suffix>. That is, a valid ISN number includes
239 + a prefix of '56' in the example. The rest of the number is a
240 + ITAD (Internet Telephony Administrative Domain) as defined
241 + in RFCs 3872 and 2871, and as allocated by the IANA in
242 + http://www.iana.org/assignments/trip-parameters. The ITAD is
243 + left intact and not refersed as ENUM requires. To learn more
244 + about ISN please refer to documents at www.freenum.org.
245 +
246 + To complete a ISN lookup on the user part of the Request-URI,
247 + isn_query() is used instead of enum_query().
248 +
249 1.2. Dependencies
250
251 The module depends on the following modules (in the other words
252 @@ -158,17 +178,27 @@
253 Example 1.3. Setting i_enum_suffix module parameter
254 modparam("enum", "i_enum_suffix", "e1234.arpa.")
255
256 -1.3.4. branchlabel (string)
257 +1.3.4. isn_suffix (string)
258 +
259 + The domain suffix to be used for isn_query() lookups. Can be
260 + overridden by a parameter to isn_query.
261 +
262 + Default value is "freenum.org."
263 +
264 + Example 1.4. Setting isn_suffix module parameter
265 +modparam("enum", "isn_suffix", "freenum.org.")
266 +
267 +1.3.5. branchlabel (string)
268
269 This parameter determines which label i_enum_query() will use
270 to branch off to the infrastructure ENUM tree.
271
272 Default value is ""i""
273
274 - Example 1.4. Setting brachlabel module parameter
275 + Example 1.5. Setting branchlabel module parameter
276 modparam("enum", "branchlabel", "i")
277
278 -1.3.5. bl_algorithm (string)
279 +1.3.6. bl_algorithm (string)
280
281 This parameter determines which algorithm i_enum_query() will
282 use to select the position in the DNS tree where the
283 @@ -182,7 +212,7 @@
284 [branchlabel].[reverse-country-code].[i_enum_suffix] to
285 indicate after how many digits the label should in inserted.
286
287 - Example 1.5. Zone file example
288 + Example 1.6. Zone file example
289 i.1.e164.arpa. IN TXT "4"
290 9.9.9.8.7.6.5.i.4.3.2.1.e164.arpa. IN NAPTR "NAPTR content for +1 234 5
291 678 999"
292 @@ -196,7 +226,7 @@
293 allocated yet. This version of the code uses 65300. See
294 resolve.h.
295
296 - Example 1.6. Zone file example
297 + Example 1.7. Zone file example
298 i.1.e164.arpa. TYPE65300 \# 14 (
299 04 ; position
300 01 69 ; separator
301 @@ -208,7 +238,7 @@
302
303 Default value is "cc"
304
305 - Example 1.7. Setting the bl_algorithm module parameter
306 + Example 1.8. Setting the bl_algorithm module parameter
307 modparam("enum", "bl_algorithm", "txt")
308
309 1.4. Exported Functions
310 @@ -225,7 +255,7 @@
311
312 This function can be used from REQUEST_ROUTE.
313
314 - Example 1.8. enum_query usage
315 + Example 1.9. enum_query usage
316 ...
317 # search for "e2u+sip" in freenum.org
318 enum_query("freenum.org.");
319 @@ -262,7 +292,7 @@
320
321 This function can be used from REQUEST_ROUTE.
322
323 - Example 1.9. enum_pv_query usage
324 + Example 1.10. enum_pv_query usage
325 ...
326 # search for "e2u+sip" in freenum.org
327 enum_pv_query("$avp(i:100)", "freenum.org.");
328 @@ -296,14 +326,42 @@
329 ftp://ftp.rfc-editor.org/in-notes/internet-drafts/draft-haberle
330 r-carrier-enum-01.txt for the rationale behind this function.
331
332 -1.4.4. is_from_user_enum()
333 +1.4.4. isn_query(["suffix"[,"service"]])
334 +
335 + The function performs a ISN query and rewrites the
336 + Request-URI with the result of the query. See Section 1.1,
337 + "Overview" for more information.
338 +
339 + Meaning of the parameters is as follows:
340 + * suffix - Suffix to be appended to the domain name.
341 + * service - Service string to be used in the service field.
342 +
343 + This function can be used from REQUEST_ROUTE.
344 +
345 + See ftp://www.ietf.org/rfc/rfc3872.txt and
346 + ftp://www.ietf.org/rfc/rfc2871.txt for information
347 + regarding the ITAD part of the ISN string.
348 +
349 + Example 1.11. isn_query usage
350 +...
351 +# search for "e2u+sip" in freenum.org
352 +isn_query("freenum.org.");
353 +...
354 +# search for "e2u+sip" in default tree (configured as parameter)
355 +enum_query();
356 +...
357 +# search for "e2u+voice:sip" in freenum.org
358 +enum_query("freenum.org.","voice");
359 +...
360 +
361 +1.4.5. is_from_user_enum()
362
363 Checks if the user part of from URI is found in an enum lookup.
364 Returns 1 if yes and -1 if not.
365
366 This function can be used from REQUEST_ROUTE.
367
368 - Example 1.10. is_from_user_enum usage
369 + Example 1.12. is_from_user_enum usage
370 ...
371 if (is_from_user_enum()) {
372 ....
373 Index: modules/enum/doc/enum.xml
374 diff -Nau modules/enum/doc/enum.xml.orig modules/enum/doc/enum.xml
375 --- modules/enum/doc/enum.xml.orig 2009-10-16 02:31:52.000000000 +0200
376 +++ modules/enum/doc/enum.xml 2010-01-18 18:01:15.954172402 +0100
377 @@ -33,8 +33,8 @@
378 </copyright>
379 <revhistory>
380 <revision>
381 - <revnumber>$Revision: 5901 $</revnumber>
382 - <date>$Date: 2009-07-21 10:45:05 +0300 (Tue, 21 Jul 2009) $</date>
383 + <revnumber>$Revision: 5907 $</revnumber>
384 + <date>$Date: 2010-01-18 10:45:05 +0100 (Mon, 18 Jan 2010) $</date>
385 </revision>
386 </revhistory>
387 </bookinfo>
388 Index: modules/enum/doc/enum_admin.xml
389 diff -Nau modules/enum/doc/enum_admin.xml.orig modules/enum/doc/enum_admin.xml
390 --- modules/enum/doc/enum_admin.xml.orig 2010-01-18 12:33:30.053644000 +0100
391 +++ modules/enum/doc/enum_admin.xml 2010-01-18 18:14:59.583157910 +0100
392 @@ -75,6 +75,24 @@
393 and -1 if not.
394 </para>
395 <para>
396 + In addition to standard ENUM, support for ISN (ITAD Subscriber
397 + Numbers) is provided as well. To allow ISN lookups to resolve,
398 + a different formatting algorithm is expected by the DNS server.
399 + Whereas a ENUM NAPTR record expects a DNS query of the form
400 + 9.8.7.6.5.4.3.2.1.<suffix>, ISN method expects a DNS query of
401 + the form 6.5.1212.<suffix>. That is, a valid ISN number includes
402 + a prefix of '56' in the example. The rest of the number is a
403 + ITAD (Internet Telephony Administrative Domain) as defined
404 + in RFCs 3872 and 2871, and as allocated by the IANA in
405 + http://www.iana.org/assignments/trip-parameters. The ITAD is
406 + left intact and not refersed as ENUM requires. To learn more
407 + about ISN please refer to documents at www.freenum.org.
408 + </para>
409 + <para>
410 + To complete a ISN lookup on the user part of the Request-URI,
411 + isn_query() is used instead of enum_query().
412 + </para>
413 + <para>
414 Enum module also implements is_from_user_enum function.
415 This function does an enum lookup on the from user and
416 returns true if found, false otherwise.
417 @@ -153,6 +171,22 @@
418 </example>
419 </section>
420 <section>
421 + <title><varname>isn_suffix</varname> (string)</title>
422 + <para>
423 + The domain suffix to be used for isn_query() lookups. Can
424 + be overridden by a parameter to isn_query.
425 + </para>
426 + <para>
427 + Default value is <quote>freenum.org.</quote>
428 + </para>
429 + <example>
430 + <title>Setting isn_suffix module parameter</title>
431 + <programlisting format="linespecific">
432 +modparam("enum", "isn_suffix", "freenum.org.")
433 +</programlisting>
434 + </example>
435 + </section>
436 + <section>
437 <title><varname>branchlabel</varname> (string)</title>
438 <para>
439 This parameter determines which label i_enum_query() will use
440 @@ -162,7 +196,7 @@
441 Default value is <quote>"i"</quote>
442 </para>
443 <example>
444 - <title>Setting brachlabel module parameter</title>
445 + <title>Setting branchlabel module parameter</title>
446 <programlisting format="linespecific">
447 modparam("enum", "branchlabel", "i")
448 </programlisting>
449 @@ -353,6 +387,53 @@
450 </section>
451
452 <section>
453 + <title>
454 + <function moreinfo="none">isn_query(["suffix"[,"service"]])</function>
455 + </title>
456 + <para>
457 + The function performs a ISN query and rewrites the Request-URI with
458 + the result of the query. See <xref linkend="sec-overview"/> for more
459 + information.
460 + </para>
461 + <para>Meaning of the parameters is as follows:</para>
462 + <itemizedlist>
463 + <listitem>
464 + <para><emphasis>suffix</emphasis> - Suffix to be appended to the
465 + domain name.
466 + </para>
467 + </listitem>
468 + <listitem>
469 + <para><emphasis>service</emphasis> - Service string to be used in
470 + the service field.
471 + </para>
472 + </listitem>
473 + </itemizedlist>
474 + <para>
475 + This function can be used from REQUEST_ROUTE.
476 + </para>
477 + <para>
478 + See ftp://www.ietf.org/rfc/rfc3872.txt and
479 + ftp://www.ietf.org/rfc/rfc2871.txt for information
480 + regarding the ITAD part of the ISN string.
481 + </para>
482 + <example>
483 + <title><function moreinfo="none">isn_query</function> usage</title>
484 + <programlisting format="linespecific">
485 +...
486 +# search for "e2u+sip" in freenum.org
487 +isn_query("freenum.org.");
488 +...
489 +# search for "e2u+sip" in default tree (configured as parameter)
490 +isn_query();
491 +...
492 +# search for "e2u+voice:sip" in freenum.org
493 +isn_query("freenum.org.","voice");
494 +...
495 +</programlisting>
496 + </example>
497 + </section>
498 +
499 + <section>
500 <title><function moreinfo="none">is_from_user_enum()</function></title>
501 <para>
502 Checks if the user part of from <abbrev>URI</abbrev>

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