TT#2387 sca: new "server_address" parameter

Change-Id: Ia64461f306e13dcfc72db0221811d6b10d8ad5f4

debian/patches/series

@@ -27,4 +27,5 @@ sipwise/sca-sca_call_info_update-add-to-from-optional-parame.patch
 sipwise/sca-sca_handle_subscribe-honor-the-ru-value.patch
 sipwise/sca-fix-core-when-HDR_CSEQ-not-parsed.patch
 sipwise/sca-sca_call_info_update-fix-param-calls.patch
+sipwise/sca-add-server_address-parameter.patch
 ##

debian/patches/sipwise/sca-add-server_address-parameter.patch

@@ -0,0 +1,87 @@
+From: Victor Seva <linuxmaniac@torreviejawireless.org>
+Date: Mon, 3 Oct 2016 12:19:51 +0200
+Subject: sca: add "server_address" parameter
+
+* server address (sip:<host>[:port]) which will become the value of
+  Contact header filed for NOTIFY messages.
+
+Change-Id: I8f0a93f180cafc4f014f621a413fcb5f6e672f46
+---
+ modules/sca/sca.c        |  5 +++++
+ modules/sca/sca.h        |  1 +
+ modules/sca/sca_notify.c | 14 +++++++++++---
+ 3 files changed, 17 insertions(+), 3 deletions(-)
+
+diff --git a/modules/sca/sca.c b/modules/sca/sca.c
+index f46fb1b..9dd0143 100644
+--- a/modules/sca/sca.c
++++ b/modules/sca/sca.c
+@@ -111,6 +111,7 @@ int			call_info_max_expires = 3600;
+ int			line_seize_max_expires = 15;
+ int			purge_expired_interval = 120;
+ int onhold_bflag = -1;
++str server_address = STR_NULL;
+ 
+ static param_export_t	params[] = {
+     { "outbound_proxy",		PARAM_STR,	&outbound_proxy },
+@@ -123,6 +124,7 @@ static param_export_t	params[] = {
+     { "line_seize_max_expires", INT_PARAM,	&line_seize_max_expires },
+     { "purge_expired_interval",	INT_PARAM,	&purge_expired_interval },
+     {"onhold_bflag", INT_PARAM, &onhold_bflag},
++    {"server_address", PARAM_STR, &server_address},
+     { NULL,			0,		NULL },
+ };
+ 
+@@ -263,6 +265,9 @@ sca_set_config( sca_mod *scam )
+         return (-1);
+     }
+     scam->cfg->onhold_bflag = onhold_bflag;
++    if (server_address.s) {
++        scam->cfg->server_address = &server_address;
++    }
+ 
+     return( 0 );
+ }
+diff --git a/modules/sca/sca.h b/modules/sca/sca.h
+index f5dd225..abcbe56 100644
+--- a/modules/sca/sca.h
++++ b/modules/sca/sca.h
+@@ -38,6 +38,7 @@ struct _sca_config {
+     int		line_seize_max_expires;
+     int		purge_expired_interval;
+     int onhold_bflag;
++    str *server_address;
+ };
+ typedef struct _sca_config	sca_config;
+ 
+diff --git a/modules/sca/sca_notify.c b/modules/sca/sca_notify.c
+index e8cbdba..89d8bb4 100644
+--- a/modules/sca/sca_notify.c
++++ b/modules/sca/sca_notify.c
+@@ -189,15 +189,23 @@ sca_notify_append_contact_header( sca_subscription *sub,
+ 	char *hdrbuf, int maxlen )
+ {
+     int		len = strlen( "Contact: " );
++    str *orig = NULL;
+ 
+-    if ( len + sub->target_aor.len + strlen( CRLF ) >= maxlen ) {
++    if (sca->cfg->server_address != NULL) {
++        orig = sca->cfg->server_address;
++    }
++    else {
++        orig = &sub->target_aor;
++    }
++
++    if (len + orig->len + strlen(CRLF) >= maxlen) {
+ 	LM_ERR( "Cannot append Contact header: buffer too small" );
+ 	return( -1 );
+     }
+ 
+     memcpy( hdrbuf, "Contact: ", len );
+-    memcpy( hdrbuf + len, sub->target_aor.s, sub->target_aor.len );
+-    len += sub->target_aor.len;
++    memcpy(hdrbuf + len, orig->s, orig->len);
++    len += orig->len;
+     memcpy( hdrbuf + len, CRLF, strlen( CRLF ));
+     len += strlen( CRLF );
+