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git:andrei/shm_early_init: core: moved shm init into separate files
by Andrei Pelinescu-Onciul 10 Jan '10

10 Jan '10

Module: sip-router Branch: andrei/shm_early_init Commit: 2c4ae148162c7a36f25d9a7b10fe64c7667ced31 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=2c4ae14… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Sun Jan 10 12:50:15 2010 +0100 core: moved shm init into separate files - shm init moved from main.c into shm_init.c and shm_init.h. - added a function to check if shm was already … [View More]intialized (shm_intialized()). - make sure the user is set before parsing the config, if present on the command line (the user is needed to initialize the shared memory when sysv semaphores are used as the locking method). --- main.c | 14 ++++++++-- shm_init.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ shm_init.h | 35 ++++++++++++++++++++++++++ 3 files changed, 125 insertions(+), 3 deletions(-) diff --git a/main.c b/main.c index fd4b642..31a4b65 100644 --- a/main.c +++ b/main.c @@ -121,7 +121,8 @@ #include "mem/mem.h" #ifdef SHM_MEM #include "mem/shm_mem.h" -#endif +#include "shm_init.h" +#endif /* SHM_MEM */ #include "sr_module.h" #include "timer.h" #include "parser/msg_parser.h" @@ -1720,6 +1721,10 @@ int main(int argc, char** argv) goto error; }; break; + case 'u': + /* user needed for possible shm. pre-init */ + user=optarg; + break; case 'b': case 'l': case 'n': @@ -1732,7 +1737,6 @@ int main(int argc, char** argv) case 'W': case 'w': case 't': - case 'u': case 'g': case 'P': case 'G': @@ -2069,9 +2073,13 @@ try_again: * -it must be also before init_timer and init_tcp * -it must be after we know uid (so that in the SYSV sems case, * the sems will have the correct euid) + * Note: shm can now be initialized when parsing the config script, that's + * why checking for a prior initialization is needed. * --andrei */ - if (init_shm_mallocs(shm_force_alloc)==-1) +#ifdef SHM_MEM + if (!shm_initialized() && init_shm()<0) goto error; +#endif /* SHM_MEM */ if (init_atomic_ops()==-1) goto error; if (init_basex() != 0){ diff --git a/shm_init.c b/shm_init.c new file mode 100644 index 0000000..d981ae5 --- /dev/null +++ b/shm_init.c @@ -0,0 +1,79 @@ +/* + * $Id$ + * + * Copyright (C) 2010 iptelorg GmbH + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/* + * shm_init.c + */ +/* + * History: + * -------- + * 2010-01-10 initial version (andrei) +*/ + +#include "shm_init.h" +#include "mem/mem.h" +#include "globals.h" + +static int shm_init = 0; + + +/** check if shm is initialized. + * @return 1 if initialized, 0 if not + */ +int shm_initialized() +{ + return shm_init; +} + + + +#ifdef SHM_MEM +/** init shm mem. + * @return 0 on success, < 0 on error + * it _must_ be called: + * - after the shm_mem_size is known + * - after shm_force_alloc is known (mlock_pages should happen at a later + * point so it's not yet needed here) + * - after the user is known (so that in the SYSV sems case the sems will + * have the correct euid) + * - before init_timer and init_tcp + * --andrei + * + * Global vars used: shm_mem_size, shm_force_alloc, user & uid. + * Side effects: it might set uid, gid and shm_mem_size. + */ +int init_shm() +{ + /* set uid if user is set */ + if (user && uid == 0){ + if (user2uid(&uid, &gid, user)<0){ + fprintf(stderr, "bad user name/uid number: -u %s\n", user); + goto error; + } + } + if (shm_mem_size == 0) + shm_mem_size=SHM_MEM_SIZE * 1024 * 1024; + if (init_shm_mallocs(shm_force_alloc)==-1) + goto error; + shm_init=1; + return 0; +error: + return -1; +} +#endif /* SHM_MEM */ + +/* vi: set ts=4 sw=4 tw=79:ai:cindent: */ diff --git a/shm_init.h b/shm_init.h new file mode 100644 index 0000000..b25ab43 --- /dev/null +++ b/shm_init.h @@ -0,0 +1,35 @@ +/* + * $Id$ + * + * Copyright (C) 2010 iptelorg GmbH + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/* + * shm_init.h + */ +/* + * History: + * -------- + * 2010-01-10 initial version (andrei) +*/ + +#ifndef __shm_init_h +#define __shm_init_h + +int shm_initialized(); +int init_shm(); + +#endif /*__shm_init_h*/ + +/* vi: set ts=4 sw=4 tw=79:ai:cindent: */ [View Less]

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git:kamailio_3.0: sanity: print From hdr in warning message
by Daniel-Constantin Mierla 10 Jan '10

10 Jan '10

Module: sip-router Branch: kamailio_3.0 Commit: 195cdf43e8eea385330376184f8b78b7d0322780 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=195cdf4… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Sun Jan 10 12:09:20 2010 +0100 sanity: print From hdr in warning message - when parsing of the header fails --- modules/sanity/sanity.c | 2 +- 1 files changed, 1 insertions(+), 1 … [View More]

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git:kamailio_3.0: nathelper(k): print bad contact uri
by Daniel-Constantin Mierla 10 Jan '10

10 Jan '10

Module: sip-router Branch: kamailio_3.0 Commit: a93f7ad1ce21413d0e2a00e4c8579f6bfe0a8a3f URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=a93f7ad… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Sun Jan 10 12:08:45 2010 +0100 nathelper(k): print bad contact uri - help in troubleshooting bad sip clients --- modules_k/nathelper/nhelpr_funcs.c | 3 ++- 1 files changed, 2 … [View More]

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git:kamailio_3.0: core: more verbose when error parsing hdr
by Daniel-Constantin Mierla 10 Jan '10

10 Jan '10

Module: sip-router Branch: kamailio_3.0 Commit: 78e8075eea603a854dcf0142dda0f1dae6c69857 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=78e8075… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Sun Jan 10 12:07:34 2010 +0100 core: more verbose when error parsing hdr - give a hint about the content parsing (max first 20 chars of attempted string) --- parser/msg_parser.c | 3 … [View More]

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about kamailio and tls
by mustafa samara 09 Jan '10

09 Jan '10

i am mustafa samara master degree student. i try to test qjsimple with kamailio openser is it possible (to test the tls support) ? also i want to ask about ( in sip preferences) what is the deference when we you use tls as a protocol or when we use (tls or sips) as a SRTP requirements. clould you help me please? i wat to include the result in my thesis -- Eng.Mustafa Al-Samara

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git:master: lib/srdb1 (k): add generic helper method for bulk data loading, e.g. for route infos
by Henning Westerholt 08 Jan '10

08 Jan '10

Module: sip-router Branch: master Commit: a9b939d7881696aab9d5c39099491e65b4902cee URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=a9b939d… Author: Henning Westerholt <henning.westerholt(a)1und1.de> Committer: Henning Westerholt <henning.westerholt(a)1und1.de> Date: Fri Jan 8 18:26:11 2010 +0100 lib/srdb1 (k): add generic helper method for bulk data loading, e.g. for route infos - add a generic helper method for bulk data loading, e.g. for routing … [View More]informations from cr, lcr, htable or other similar tasks - TODO: adapt cr (patch ready, testing needed), adapt more modules --- lib/srdb1/db.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/srdb1/db.h | 16 ++++++++++++++++ 2 files changed, 68 insertions(+), 0 deletions(-) diff --git a/lib/srdb1/db.c b/lib/srdb1/db.c index c4bf7cf..6f85b22 100644 --- a/lib/srdb1/db.c +++ b/lib/srdb1/db.c @@ -425,3 +425,55 @@ int db_use_table(db1_con_t* _h, const str* _t) CON_TABLE(_h) = _t; return 0; } + + +/*! \brief Generic query helper for load bulk data + * + * Generic query helper method for load bulk data, e.g. lcr tables + * \param binding database module binding + * \param handle database connection + * \param name database table name + * \param cols queried columns + * \param count number of queried columns + * \param strict if set to 1 an error is returned when no data could be loaded, + otherwise just a warning is logged + * \param res database result, unchanged on failure and if no data could be found + * \return 0 if the query was run successful, -1 otherwise + */ +int db_load_bulk_data(db_func_t* binding, db1_con_t* handle, str* name, db_key_t* cols, + unsigned int count, unsigned int strict, db1_res_t* res) +{ + if (binding == NULL) { + LM_ERR("invalid database module binding\n"); + return -1; + } + + if(handle == NULL) { + LM_ERR("invalid database handle\n"); + return -1; + } + + if (binding->use_table(handle, name) < 0) { + LM_ERR("error in use_table for database\n"); + return -1; + } + + /* select the whole table and all the columns */ + if(binding->query(handle, 0, 0, 0, cols, 0, count, 0, &res) < 0) { + LM_ERR("error while querying database\n"); + return -1; + } + + if(RES_ROW_N(res) == 0) { + binding->free_result(handle, res); + if (strict == 1) { + LM_ERR("no data in the database table %.*s\n", name->len, name->s); + return -1; + } else { + LM_WARN("no data in the database table %.*s, use an empty set\n", name->len, name->s); + return 0; + } + } + + return 0; +} diff --git a/lib/srdb1/db.h b/lib/srdb1/db.h index 0429e2c..7da401b 100644 --- a/lib/srdb1/db.h +++ b/lib/srdb1/db.h @@ -398,5 +398,21 @@ int db_use_table(db1_con_t* _h, const str* _t); typedef int (*db_bind_api_f)(db_func_t *dbb); +/** + * \brief Generic query helper for load bulk data + * + * Generic query helper method for load bulk data, e.g. lcr tables + * \param binding database module binding + * \param handle database connection + * \param name database table name + * \param cols queried columns + * \param count number of queried columns + * \param strict if set to 1 an error is returned when no data could be loaded, + otherwise just a warning is logged + * \param res database result, unchanged on failure and if no data could be found + * \return 0 if the query was run successful, -1 otherwise + */ +int db_load_bulk_data(db_func_t* binding, db1_con_t* handle, str* name, db_key_t* cols, + unsigned int count, unsigned int strict, db1_res_t* res); #endif /* DB1_H */ [View Less]

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git:kamailio_3.0: kamailio.cfg: updated cfg with sample PSTN gw routing
by Daniel-Constantin Mierla 08 Jan '10

08 Jan '10

Module: sip-router Branch: kamailio_3.0 Commit: a9e4d86edeee7b2f70b33c89c91e800aefe11da0 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=a9e4d86… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Fri Jan 8 17:16:28 2010 +0100 kamailio.cfg: updated cfg with sample PSTN gw routing - defined within WITH_PSTN - calls to numbers starting with + or 00 are sent to PSTN GW - use of custome … [View More]cfg parameter to define GW IP - remove preloaded Route headers for initial requests --- etc/kamailio.cfg | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 59 insertions(+), 0 deletions(-) diff --git a/etc/kamailio.cfg b/etc/kamailio.cfg index 77727d1..637602d 100644 --- a/etc/kamailio.cfg +++ b/etc/kamailio.cfg @@ -38,6 +38,11 @@ # - start RTPProxy: # rtpproxy -l _your_public_ip_ -s udp:localhost:7722 # +# *** To enable PSTN gateway routing execute: +# - define WITH_PSTN +# - set the value of pstn.gw_ip +# - check route[PSTN] for regexp routing condition +# # *** To enhance accounting execute: # - enable mysql # - define WITH_ACCDB @@ -88,6 +93,26 @@ port=5060 #listen=udp:10.0.0.10:5060 +####### Custom Parameters ######### + +# These parameters can be modified runtime via RPC interface +# - see the documentation of 'cfg_rpc' module. +# +# Format: group.id = value 'desc' description +# Access: $sel(cfg_get.group.id) or @cfg_get.group.id +# + +#!ifdef WITH_PSTN +# PSTN GW Routing +# +# - pstn.gw_ip: valid IP or hostname as string value, example: +# pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address" +# +# - by default is empty to avoid misrouting +pstn.gw_ip = "" desc "PSTN GW Address" +#!endif + + ####### Modules Section ######## #set module path @@ -316,6 +341,8 @@ route{ route(AUTH); # record routing for dialog forming requests (in case they are routed) + # - remove preloaded route headers + remove_hf("Route"); if (is_method("INVITE|SUBSCRIBE")) record_route(); @@ -356,6 +383,8 @@ route{ exit; } + route(PSTN); + # apply DB based aliases (uncomment to enable) ##alias_db_lookup("dbaliases"); @@ -511,6 +540,36 @@ route[RTPPROXY] { return; } +# PSTN GW routing +route[PSTN] { +#!ifdef WITH_PSTN + # check if PSTN GW IP is defined + if (strempty($sel(cfg_get.pstn.gw_ip))) { + xlog("SCRIPT: PSTN rotuing enabled but pstn.gw_ip not defined\n"); + return; + } + + # route to PSTN dialed numbers starting with '+' or '00' + # (international format) + # - update the condition to match your dialing rules for PSTN routing + if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$")) + return; + + # only local users allowed to call + if(from_uri!=myself) { + sl_send_reply("403", "Not Allowed"); + exit; + } + + $ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip); + + route(RELAY); + exit; +#!endif + + return; +} + # Sample branch router branch_route[BRANCH_ONE] { xdbg("new branch at $ru\n"); [View Less]

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Security incident management
by Olle E. Johansson 08 Jan '10

08 Jan '10

Friends, I know that the number of security reports for SER and Kamailio are very low, in fact so low that I can't remember any. However, it can still happen to us in the future. Do we have any policies and procedure for how to handle it? Yes, this is being negative, but also realistic. It's not only about our own code, we depend on a large number of external libraries that could release security reports that will affect our user base too, and propably should be forwarded. Any thoughts? /O

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git:sr_3.0: Backport of the changes (see previous commits).
by Carsten Bock 08 Jan '10

08 Jan '10

Module: sip-router Branch: sr_3.0 Commit: c114f9fb32ebe33cd7e154975ccd615d5c2598e8 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=c114f9f… Author: Carsten Bock <carsten(a)bock.info> Committer: Carsten Bock <carsten(a)bock.info> Date: Fri Jan 8 10:15:29 2010 +0100 Backport of the changes (see previous commits). Thanks to Klaus and Juha for reminding me to add the patches here as well (i am new to git and to the new structure). --- modules_k/dialog/… [View More]

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git:sr_3.0: kex: documented missing functions
by Juha Heinanen 08 Jan '10

08 Jan '10

Module: sip-router Branch: sr_3.0 Commit: e69239060196f60def7807fba1f18ff9cc789f8a URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e692390… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Juha Heinanen <jh(a)tutpro.com> Date: Thu Jan 7 18:38:52 2010 +0100 kex: documented missing functions - reported by Santiago Gimeno (cherry picked from commit e97f68ebe9d909f56577b3abdc305395df9db5ba) --- modules_k/kex/README | 77 +… [View More]+++++++++++++++++++++++++++++ modules_k/kex/doc/kex_admin.xml | 100 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 177 insertions(+), 0 deletions(-) diff --git a/modules_k/kex/README b/modules_k/kex/README index b5e1986..99ab563 100644 --- a/modules_k/kex/README +++ b/modules_k/kex/README @@ -33,6 +33,10 @@ Daniel-Constantin Mierla 3.5. isbflagset(flag [, branch]) 3.6. resetsflag(flag [, branch]) 3.7. km_append_branch([uri]) + 3.8. setdsturi(uri) + 3.9. resetdsturi() + 3.10. isdsturiset() + 3.11. pv_printf(var, str) 4. Exported MI Functions @@ -52,6 +56,10 @@ Daniel-Constantin Mierla 1.5. setbflag usage 1.6. resetsflag usage 1.7. km_append_branch usage + 1.8. >setdsturi usage + 1.9. >resetdsturi usage + 1.10. >isdsturiset usage + 1.11. >pv_printf usage Chapter 1. Admin Guide @@ -72,6 +80,10 @@ Chapter 1. Admin Guide 3.5. isbflagset(flag [, branch]) 3.6. resetsflag(flag [, branch]) 3.7. km_append_branch([uri]) + 3.8. setdsturi(uri) + 3.9. resetdsturi() + 3.10. isdsturiset() + 3.11. pv_printf(var, str) 4. Exported MI Functions @@ -113,6 +125,10 @@ Chapter 1. Admin Guide 3.5. isbflagset(flag [, branch]) 3.6. resetsflag(flag [, branch]) 3.7. km_append_branch([uri]) + 3.8. setdsturi(uri) + 3.9. resetdsturi() + 3.10. isdsturiset() + 3.11. pv_printf(var, str) 3.1. setsflag(flag) @@ -243,6 +259,67 @@ km_append_branch(); km_append_branch("sip:alice@sip-router.org"); ... +3.8. setdsturi(uri) + + Set the destination address URI (outbound proxy address). + + Meaning of the parameters is as follows: + * uri - Valid SIP URI representing the address where to send the + request. It must be a static string, no variables are evaluated at + runtime. If you need to set outbound proxy address via a variable, + use assginment to $du. + + This function can be used from ANY_ROUTE. + + Example 1.8. >setdsturi usage +... +setdsturi("sip:10.0.0.10"); +... + +3.9. resetdsturi() + + Reset the destination address URI (outbound proxy address). + + This function can be used from ANY_ROUTE. + + Example 1.9. >resetdsturi usage +... +resetdsturi(); +... + +3.10. isdsturiset() + + Check if the destination address URI (outbound proxy address) is set. + + This function can be used from ANY_ROUTE. + + Example 1.10. >isdsturiset usage +... +if(isdsturiset()) +{ + ... +} +... + +3.11. pv_printf(var, str) + + Evalues the str and sets the resulted value to variable var. For + backward compatibility reasons, same function can be executed via + 'avp_printf(var, str)'. + + Meaning of the parameters is as follows: + * var - name of a writable variable + * str - string that may contain variables which will be evaluated at + runtime. + + This function can be used from ANY_ROUTE. + + Example 1.11. >pv_printf usage +... +pv_printf("$ru", "sip:$rU@$fd"); +pv_printf("$avp(x)", "From: $fU - To: $tU"); +... + 4. Exported MI Functions 4.1. arg diff --git a/modules_k/kex/doc/kex_admin.xml b/modules_k/kex/doc/kex_admin.xml index 7fff6a3..2a82593 100644 --- a/modules_k/kex/doc/kex_admin.xml +++ b/modules_k/kex/doc/kex_admin.xml @@ -277,6 +277,106 @@ km_append_branch("sip:alice@sip-router.org"); </programlisting> </example> </section> + <section> + <title><function moreinfo="none">setdsturi(uri)</function></title> + <para> + Set the destination address URI (outbound proxy address). + </para> + <para>Meaning of the parameters is as follows:</para> + <itemizedlist> + <listitem> + <para> + <emphasis>uri</emphasis> - Valid SIP URI representing the + address where to send the request. It must be a static string, + no variables are evaluated at runtime. If you need to set + outbound proxy address via a variable, use assginment to $du. + </para> + </listitem> + </itemizedlist> + <para> + This function can be used from ANY_ROUTE. + </para> + <example> + <title><function>>setdsturi</function> usage</title> + <programlisting format="linespecific"> +... +setdsturi("sip:10.0.0.10"); +... +</programlisting> + </example> + </section> + <section> + <title><function moreinfo="none">resetdsturi()</function></title> + <para> + Reset the destination address URI (outbound proxy address). + </para> + <para> + This function can be used from ANY_ROUTE. + </para> + <example> + <title><function>>resetdsturi</function> usage</title> + <programlisting format="linespecific"> +... +resetdsturi(); +... +</programlisting> + </example> + </section> + <section> + <title><function moreinfo="none">isdsturiset()</function></title> + <para> + Check if the destination address URI (outbound proxy address) + is set. + </para> + <para> + This function can be used from ANY_ROUTE. + </para> + <example> + <title><function>>isdsturiset</function> usage</title> + <programlisting format="linespecific"> +... +if(isdsturiset()) +{ + ... +} +... +</programlisting> + </example> + </section> + <section> + <title><function moreinfo="none">pv_printf(var, str)</function></title> + <para> + Evalues the str and sets the resulted value to variable var. For + backward compatibility reasons, same function can be executed via + 'avp_printf(var, str)'. + </para> + <para>Meaning of the parameters is as follows:</para> + <itemizedlist> + <listitem> + <para> + <emphasis>var</emphasis> - name of a writable variable + </para> + </listitem> + <listitem> + <para> + <emphasis>str</emphasis> - string that may contain variables + which will be evaluated at runtime. + </para> + </listitem> + </itemizedlist> + <para> + This function can be used from ANY_ROUTE. + </para> + <example> + <title><function>>pv_printf</function> usage</title> + <programlisting format="linespecific"> +... +pv_printf("$ru", "sip:$rU@$fd"); +pv_printf("$avp(x)", "From: $fU - To: $tU"); +... +</programlisting> + </example> + </section> </section> <section> [View Less]

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