Module: sip-router Branch: 4.0 Commit: 9a75da1e9a302868729b171ad76dcf15404487e5 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=9a75da1… Author: Vicente Hernando <vhernando(a)systemonenoc.com> Committer: Vicente Hernando <vhernando(a)systemonenoc.com> Date: Fri May 17 12:34:54 2013 +0200 modules/uac: update README after avoiding adding quotes in uac_replace_* functions --- modules/uac/README | 78 +++++++++++++++++++++++++++++---------------------- 1 files changed, 44 insertions(+), 34 deletions(-) diff --git a/modules/uac/README b/modules/uac/README index d1f4e37..cd5cf5c 100644 --- a/modules/uac/README +++ b/modules/uac/README @@ -14,9 +14,9 @@ Ramona-Elena Modroiu <ramona(a)rosdev.ro> - Copyright � 2009-2010 asipto.com + Copyright © 2009-2010 asipto.com - Copyright � 2005 Voice Sistem + Copyright © 2005 Voice Sistem __________________________________________________________________ Table of Contents @@ -158,7 +158,7 @@ Chapter 1. Admin Guide * Authentication does not support qop auth-int, just qop auth; * CSeq is not increased during authentication - the response may be rejected. - * The "uac_replace_*" functions can only be run once on the same SIP + * The “uac_replace_*” functions can only be run once on the same SIP request. Try to save needed changes in a pseudovariable and apply them once. @@ -172,9 +172,9 @@ Chapter 1. Admin Guide The following modules must be loaded before this module: * TM - Transaction Module * RR - Record-Route Module, but only if restore mode for From: URI is - set to "auto". + set to “auto”. * Dialog Module, but only if restore mode for From: URI is set to - "auto" and you want uac_replace_from or uac_replace_to to store the + “auto” and you want uac_replace_from or uac_replace_to to store the values of the URIs as dialog variables. 2.2. External Libraries or Applications @@ -207,7 +207,7 @@ Chapter 1. Admin Guide Name of Record-Route header parameter that will be used to store an encoded version of the original FROM URI. - This parameter is optional, it's default value being "vsf". + This parameter is optional, it's default value being “vsf”. Example 1.1. Set rr_from_store_param parameter ... @@ -219,7 +219,7 @@ modparam("uac","rr_from_store_param","my_param") Name of Record-Route header parameter that will be used to store (encoded) the original TO URI. - This parameter is optional, it's default value being "vst". + This parameter is optional, it's default value being “vst”. Example 1.2. Set rr_to_store_param parameter ... @@ -230,16 +230,16 @@ modparam("uac","rr_to_store_param","my_param") There are 3 modes of restoring the original FROM URI and the original TO URI: - * "none" - no information about original URI is stored; restoration + * “none” - no information about original URI is stored; restoration is not possible. - * "manual" - all following replies will be restored, but not also the + * “manual” - all following replies will be restored, but not also the sequential requests - this must be manually updated based on original URI. - * "auto" - all sequential requests and replies will be automatically + * “auto” - all sequential requests and replies will be automatically updated based on stored original URI. For this option you have to - set "modparam("rr", "append_fromtag", 1)". + set “modparam("rr", "append_fromtag", 1)”. - This parameter is optional, it's default value being "auto". + This parameter is optional, it's default value being “auto”. Example 1.3. Set restore_mode parameter ... @@ -331,9 +331,9 @@ modparam("uac","credential","username:domain:password") This can be used if the realm upstream will be using is not known in advance. - If you define it, you also need to define "auth_username_avp" - (Section 3.10, "auth_username_avp (string)") and "auth_username_avp" - (Section 3.11, "auth_password_avp (string)"). + If you define it, you also need to define “auth_username_avp” + (Section 3.10, “auth_username_avp (string)”) and “auth_username_avp” + (Section 3.11, “auth_password_avp (string)”). Example 1.9. Set auth_realm_avp parameter ... @@ -345,9 +345,9 @@ modparam("uac","auth_realm_avp","$avp(i:10)") The definition of an AVP that might contain the username to be used to perform authentication. - If you define it, you also need to define "auth_realm_avp" - (Section 3.9, "auth_realm_avp (string)") and "auth_username_avp" - (Section 3.11, "auth_password_avp (string)"). + If you define it, you also need to define “auth_realm_avp” + (Section 3.9, “auth_realm_avp (string)”) and “auth_username_avp” + (Section 3.11, “auth_password_avp (string)”). Example 1.10. Set auth_username_avp parameter ... @@ -359,9 +359,9 @@ modparam("uac","auth_username_avp","$avp(i:11)") The definition of an AVP that might contain the password to be used to perform authentication. - If you define it, you also need to define "auth_password_avp" - (Section 3.11, "auth_password_avp (string)") and "auth_username_avp" - (Section 3.11, "auth_password_avp (string)"). + If you define it, you also need to define “auth_password_avp” + (Section 3.11, “auth_password_avp (string)”) and “auth_username_avp” + (Section 3.11, “auth_password_avp (string)”). Example 1.11. Set auth_password_avp parameter ... @@ -408,7 +408,7 @@ modparam("uac", "reg_retry_interval", 300) DB table name to fetch user profiles for registration. - This parameter is optional, it's default value being "uacreg". + This parameter is optional, it's default value being “uacreg”. Example 1.15. Set reg_db_table parameter ... @@ -440,7 +440,7 @@ modparam("uac", "reg_contact_addr", "192.168.1.2:5080") 4.9. uac_reg_lookup(uuid, dst) 4.10. uac_reg_request_to(user, mode) -4.1. uac_replace_from(display,uri) +4.1. uac_replace_from(display,uri) Replace in FROM header the display name and the URI part. @@ -448,6 +448,10 @@ modparam("uac", "reg_contact_addr", "192.168.1.2:5080") This function can be used from REQUEST_ROUTE and from BRANCH_ROUTE. + NOTE: Previous versions of this function added double quotes + automatically to display variable. That is no longer the case, if you + expect that behavior, you will have to add the quotes by yourself. + If you set restore_mode to AUTO, the URI will be modified automatically in all subsequent requests and replies in that dialog. @@ -471,14 +475,15 @@ modparam("uac", "reg_contact_addr", "192.168.1.2:5080") # replace both display and uri uac_replace_from("$avp(s:display)","$avp(s:uri)"); # replace only display and do not touch uri -uac_replace_from("batman",""); +uac_replace_from("batman",""); # display is replaced with: batman +uac_replace_from("\"batman\"",""); # display is replaced with: "batman" # remove display and replace uri uac_replace_from("","sip:robin@gotham.org"); # remove display and do not touch uri uac_replace_from("",""); ... -4.2. uac_replace_from(uri) +4.2. uac_replace_from(uri) Replace in FROM header the URI part without altering the display name. @@ -491,7 +496,7 @@ uac_replace_from("",""); uac_replace_from("sip:batman@gotham.org"); ... -4.3. uac_restore_from() +4.3. uac_restore_from() This function will check if the FROM URI was modified and will use the information stored in header parameter to restore the original FROM URI @@ -504,7 +509,7 @@ uac_replace_from("sip:batman@gotham.org"); uac_restore_from(); ... -4.4. uac_replace_to(display,uri) +4.4. uac_replace_to(display,uri) Replace in TO header the display name and the URI part. @@ -512,19 +517,24 @@ uac_restore_from(); This function can be used from REQUEST_ROUTE and from BRANCH_ROUTE. + NOTE: Previous versions of this function added double quotes + automatically to display variable. That is no longer the case, if you + expect that behavior, you will have to add the quotes by yourself. + Example 1.20. uac_replace_to usage ... # replace both display and uri uac_replace_to("$avp(display)","$avp(uri)"); # replace only display and do not touch uri -uac_replace_to("batman",""); +uac_replace_to("batman",""); # display is replaced with: batman +uac_replace_to("\"batman\"",""); # display is replaced with: "batman" # remove display and replace uri uac_replace_to("","sip:robin@gotham.org"); # remove display and do not touch uri uac_replace_to("",""); ... -4.5. uac_replace_to(uri) +4.5. uac_replace_to(uri) Replace in TO header the URI part without altering the display name. @@ -555,7 +565,7 @@ uac_replace_to("",""); uac_replace_to("sip:batman@gotham.org"); ... -4.6. uac_restore_to() +4.6. uac_restore_to() This function will check if the TO URI was modified and will use the information stored in header parameter to restore the original TO URI @@ -568,7 +578,7 @@ uac_replace_to("sip:batman@gotham.org"); uac_restore_to(); ... -4.7. uac_auth() +4.7. uac_auth() This function can be called only from failure route and will build the authentication response header and insert it into the request without @@ -581,7 +591,7 @@ uac_restore_to(); uac_auth(); ... -4.8. uac_req_send() +4.8. uac_req_send() This function sends a SIP message from the configuration file. The message is built out of $uac_req(...) pseudo-variable. @@ -598,7 +608,7 @@ $uac_req(turi)="sip:kamailio.org"; uac_req_send(); ... -4.9. uac_reg_lookup(uuid, dst) +4.9. uac_reg_lookup(uuid, dst) This function sets the PV dst to SIP URI that correspond to uuid in uac registations table. uuid and dst must be pseudo-variables. @@ -614,7 +624,7 @@ if(uac_reg_lookup("$rU", "$ru")) } ... -4.10. uac_reg_request_to(user, mode) +4.10. uac_reg_request_to(user, mode) This function can be used to send an authenticated request to a remote user in the uac registrations table. It sets the request-uri, dst-uri