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@@ -33,459 +33,436 @@
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#include "sca_subscribe.h"
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#include "sca_util.h"
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-const str SCA_CALL_INFO_HEADER_STR = STR_STATIC_INIT( "Call-Info: " );
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-const str SCA_CALL_INFO_HEADER_NAME = STR_STATIC_INIT( "Call-Info" );
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-
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- static int
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-sca_call_info_domain_from_uri( str *uri, str *domain )
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-{
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- assert( !SCA_STR_EMPTY( uri ));
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- assert( domain != NULL );
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-
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- domain->s = memchr( uri->s, '@', uri->len );
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- if ( domain->s == NULL ) {
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- /* may be a sip:domain URI */
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- domain->s = memchr( uri->s, ':', uri->len );
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- if ( domain->s == NULL ) {
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- LM_ERR( "Bad URI %.*s", STR_FMT( uri ));
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- return( -1 );
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- }
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- }
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- domain->s++;
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-
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- domain->len = ( uri->s + uri->len ) - domain->s;
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- /* XXX handle :port in URI? */
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-
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- return( domain->len );
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+const str SCA_CALL_INFO_HEADER_STR = STR_STATIC_INIT( "Call-Info: " );
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+const str SCA_CALL_INFO_HEADER_NAME = STR_STATIC_INIT( "Call-Info" );
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+
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+static int sca_call_info_domain_from_uri(str *uri, str *domain) {
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+ assert(!SCA_STR_EMPTY( uri ));
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+ assert(domain != NULL);
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+
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+ domain->s = memchr(uri->s, '@', uri->len);
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+ if (domain->s == NULL) {
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+ /* may be a sip:domain URI */
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+ domain->s = memchr(uri->s, ':', uri->len);
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+ if (domain->s == NULL) {
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+ LM_ERR( "Bad URI %.*s\n", STR_FMT( uri ));
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+ return (-1);
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+ }
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+ }
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+ domain->s++;
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+
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+ domain->len = (uri->s + uri->len) - domain->s;
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+ /* XXX handle :port in URI? */
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+
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+ return (domain->len);
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}
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- static int
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-sca_call_info_header_length( int given_length )
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-{
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- assert( given_length >= 0 );
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+static int sca_call_info_header_length(int given_length) {
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+ assert(given_length >= 0);
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- /*
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- * given_length is assumed to contain length of index string,
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- * state string, and uri string, if any
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- */
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+ /*
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+ * given_length is assumed to contain length of index string,
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+ * state string, and uri string, if any
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+ */
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- /* "<sip:DOMAIN>;appearance-index=N;appearance-state=STATE" */
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- given_length += strlen( "<sip:>=;=;" );
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- given_length += SCA_APPEARANCE_INDEX_STR.len;
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- given_length += SCA_APPEARANCE_STATE_STR.len;
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+ /* "<sip:DOMAIN>;appearance-index=N;appearance-state=STATE" */
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+ given_length += strlen("<sip:>=;=;");
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+ given_length += SCA_APPEARANCE_INDEX_STR.len;
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+ given_length += SCA_APPEARANCE_STATE_STR.len;
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- return( given_length );
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+ return (given_length);
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}
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- static int
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-sca_call_info_header_length_for_appearance( sca_appearance *appearance,
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- str *aor )
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-{
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- int len = 0;
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- str domain = STR_NULL;
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- str state_str = STR_NULL;
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+static int sca_call_info_header_length_for_appearance(
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+ sca_appearance *appearance, str *aor) {
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+ int len = 0;
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+ str domain = STR_NULL;
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+ str state_str = STR_NULL;
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- assert( aor != NULL );
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+ assert(aor != NULL);
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- /* get length of stringified index, since conversion's destructive */
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- (void)int2str( appearance->index, &len );
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+ /* get length of stringified index, since conversion's destructive */
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+ (void) int2str(appearance->index, &len);
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- sca_appearance_state_to_str( appearance->state, &state_str );
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- len += state_str.len;
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+ sca_appearance_state_to_str(appearance->state, &state_str);
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+ len += state_str.len;
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- if ( !SCA_STR_EMPTY( &appearance->uri )) {
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- /* +1 for ';', +1 for '=' between param name and value, +2 for quotes */
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- len += SCA_APPEARANCE_URI_STR.len + 1 + 1 + 2;
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- len += appearance->uri.len;
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- }
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+ if (!SCA_STR_EMPTY(&appearance->uri)) {
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+ /* +1 for ';', +1 for '=' between param name and value, +2 for quotes */
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+ len += SCA_APPEARANCE_URI_STR.len + 1 + 1 + 2;
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+ len += appearance->uri.len;
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+ }
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- if ( sca_call_info_domain_from_uri( aor, &domain ) < 0 ) {
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- return( -1 );
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- }
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- len += domain.len;
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-
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- len += sca_call_info_header_length( domain.len );
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+ if (sca_call_info_domain_from_uri(aor, &domain) < 0) {
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+ return (-1);
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+ }
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+ len += domain.len;
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+
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+ len += sca_call_info_header_length(domain.len);
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- return( len );
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+ return (len);
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}
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- static int
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-sca_call_info_header_append_appearances( sca_mod *scam, sca_subscription *sub,
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- char *hdrbuf, int maxlen )
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-{
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- sca_appearance_list *app_list;
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- sca_appearance *app;
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- sca_hash_slot *slot;
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- str domain;
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- str state_str;
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- int slot_idx;
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- int len = -1;
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- int usedlen = -1;
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+static int sca_call_info_header_append_appearances(sca_mod *scam,
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+ sca_subscription *sub, char *hdrbuf, int maxlen) {
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+ sca_appearance_list *app_list;
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+ sca_appearance *app;
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+ sca_hash_slot *slot;
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+ str domain;
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+ str state_str;
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+ int slot_idx;
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+ int len = -1;
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+ int usedlen = -1;
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+
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+ slot_idx = sca_hash_table_index_for_key(scam->appearances,
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+ &sub->target_aor);
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+ slot = sca_hash_table_slot_for_index(scam->appearances, slot_idx);
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+
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+ sca_hash_table_lock_index(scam->appearances, slot_idx);
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+
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+ app_list = sca_hash_table_slot_kv_find_unsafe(slot, &sub->target_aor);
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+ if (app_list == NULL) {
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+ len = 0;
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+ goto done;
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+ }
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+
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+ usedlen = 0;
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+ for (app = app_list->appearances; app != NULL; app = app->next) {
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+ len = sca_call_info_header_length_for_appearance(app, &sub->target_aor);
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+ if (len < 0) {
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+ goto done;
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+ }
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+
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+ if ((maxlen - len) < 0) {
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+ LM_ERR( "Call-Info header for AoR %.*s is too long\n",
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+ STR_FMT( &sub->target_aor ));
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+ len = -1;
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+ goto done;
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+ }
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+
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+ memcpy(hdrbuf, "<sip:", strlen("<sip:"));
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+ len = strlen("<sip:");
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+
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+ if (sca_call_info_domain_from_uri(&sub->target_aor, &domain) < 0) {
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+ return (-1);
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+ }
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+
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+ memcpy(hdrbuf + len, domain.s, domain.len);
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+ len += domain.len;
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+
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+ sca_appearance_state_to_str(app->state, &state_str);
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+
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+ /* state_str.s is a nul-terminated string literal */
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+ len += snprintf(hdrbuf + len, maxlen - len,
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+ ">;appearance-index=%d;appearance-state=%s", app->index,
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+ state_str.s);
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+
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+ if (!SCA_STR_EMPTY(&app->uri)) {
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+ hdrbuf[len] = ';';
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+ len += 1;
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+
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+ memcpy(hdrbuf + len, SCA_APPEARANCE_URI_STR.s,
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+ SCA_APPEARANCE_URI_STR.len);
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+ len += SCA_APPEARANCE_URI_STR.len;
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+
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+ hdrbuf[len] = '=';
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+ len += 1;
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+
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+ hdrbuf[len] = '"';
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+ len += 1;
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- slot_idx = sca_hash_table_index_for_key( scam->appearances,
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- &sub->target_aor );
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- slot = sca_hash_table_slot_for_index( scam->appearances, slot_idx );
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+ memcpy(hdrbuf + len, app->uri.s, app->uri.len);
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+ len += app->uri.len;
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- sca_hash_table_lock_index( scam->appearances, slot_idx );
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+ hdrbuf[len] = '"';
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+ len += 1;
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+ }
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+
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+ if (app->next) {
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+ memcpy(hdrbuf + len, ",", 1);
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+ len++;
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+ }
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- app_list = sca_hash_table_slot_kv_find_unsafe( slot, &sub->target_aor );
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- if ( app_list == NULL ) {
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- len = 0;
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- goto done;
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- }
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+ maxlen -= len;
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+ hdrbuf += len;
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- usedlen = 0;
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- for ( app = app_list->appearances; app != NULL; app = app->next ) {
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- len = sca_call_info_header_length_for_appearance( app,
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- &sub->target_aor );
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- if ( len < 0 ) {
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- goto done;
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+ usedlen += len;
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}
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- if (( maxlen - len ) < 0 ) {
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- LM_ERR( "Call-Info header for AoR %.*s is too long",
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- STR_FMT( &sub->target_aor ));
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- len = -1;
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- goto done;
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+ done:
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+ sca_hash_table_unlock_index(scam->appearances, slot_idx);
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+
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+ return (usedlen);
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+}
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+
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+static int sca_call_info_build_idle_value(sca_mod *scam, str *aor, char *hdrbuf,
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+ int maxlen) {
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+ str idle_domain = STR_NULL;
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+ int len;
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+
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+ if (sca_call_info_domain_from_uri(aor, &idle_domain) < 0) {
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+ LM_ERR( "Failed to extract domain from %.*s for idle domain\n",
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+ STR_FMT( aor ));
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+ return (-1);
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}
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- memcpy( hdrbuf, "<sip:", strlen( "<sip:" ));
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- len = strlen( "<sip:" );
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+ /* the SCA_APPEARANCE_ strs' s member are literal C strings */
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+ len = snprintf(hdrbuf, maxlen, "<sip:%.*s>;%s=*;%s=%s%s",
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+ STR_FMT(&idle_domain), SCA_APPEARANCE_INDEX_STR.s,
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+ SCA_APPEARANCE_STATE_STR.s, SCA_APPEARANCE_STATE_STR_IDLE.s, CRLF);
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+ if (len >= maxlen) {
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+ LM_ERR( "Failed to add idle appearance: Call-Info header too long\n" );
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+ len = -1;
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- if ( sca_call_info_domain_from_uri( &sub->target_aor, &domain ) < 0 ) {
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- return( -1 );
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+ /* snprintf can also return negative. we catch that in the caller. */
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}
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- memcpy( hdrbuf + len, domain.s, domain.len );
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- len += domain.len;
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+ return (len);
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+}
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- sca_appearance_state_to_str( app->state, &state_str );
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+int sca_call_info_build_header(sca_mod *scam, sca_subscription *sub,
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+ char *hdrbuf, int maxlen) {
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+ /* we send one Call-Info header, appearances separated by commas */
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+ int len;
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+ int usedlen = SCA_CALL_INFO_HEADER_STR.len;
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- /* state_str.s is a nul-terminated string literal */
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- len += snprintf( hdrbuf + len, maxlen - len,
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- ">;appearance-index=%d;appearance-state=%s",
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- app->index, state_str.s );
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+ /* begin with "Call-Info: " */
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+ memcpy(hdrbuf, SCA_CALL_INFO_HEADER_STR.s, SCA_CALL_INFO_HEADER_STR.len);
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- if ( !SCA_STR_EMPTY( &app->uri )) {
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- hdrbuf[ len ] = ';';
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- len += 1;
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+ len = sca_call_info_header_append_appearances(scam, sub, hdrbuf + usedlen,
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+ maxlen - usedlen);
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+ usedlen += len;
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+ if (usedlen > SCA_CALL_INFO_HEADER_STR.len) {
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+ /* we added an indexed appearance, append a comma */
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+ memcpy(hdrbuf + usedlen, ",", 1);
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+ usedlen++;
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+ }
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- memcpy( hdrbuf + len, SCA_APPEARANCE_URI_STR.s,
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- SCA_APPEARANCE_URI_STR.len );
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- len += SCA_APPEARANCE_URI_STR.len;
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+ /* line-seize NOTIFYs will contain only the seized appearance index */
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+ if (sub->event != SCA_EVENT_TYPE_LINE_SEIZE) {
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+ /* if not all appearances in use, add *-index idle */
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+ len = sca_call_info_build_idle_value(scam, &sub->target_aor,
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+ hdrbuf + usedlen, maxlen - usedlen);
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+ if (len < 0 || len + usedlen >= maxlen) {
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+ LM_ERR( "Cannot build idle Call-Info value: buffer too small\n" );
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+ return (-1);
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+ }
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+ usedlen += len;
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+ }
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- hdrbuf[ len ] = '=';
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- len += 1;
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+ return (usedlen);
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+}
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- hdrbuf[ len ] = '"';
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- len += 1;
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+int sca_call_info_append_header_for_appearance_index(sca_subscription *sub,
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+ int appearance_index, char *hdrbuf, int maxlen) {
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+ str domain = STR_NULL;
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+ char *app_index_p = NULL;
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+ int len = 0,
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+ idx_len;
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+
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+ memcpy(hdrbuf, SCA_CALL_INFO_HEADER_STR.s, SCA_CALL_INFO_HEADER_STR.len);
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+ len += SCA_CALL_INFO_HEADER_STR.len;
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+ if (len >= maxlen) {
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+ goto error;
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+ }
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- memcpy( hdrbuf + len, app->uri.s, app->uri.len );
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- len += app->uri.len;
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+ memcpy(hdrbuf + len, "<sip:", strlen("<sip:"));
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+ len += strlen("<sip:");
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+ if (len >= maxlen) {
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+ goto error;
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+ }
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- hdrbuf[ len ] = '"';
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- len += 1;
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+ sca_call_info_domain_from_uri(&sub->target_aor, &domain);
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+ memcpy(hdrbuf + len, domain.s, domain.len);
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+ len += domain.len;
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+ if (len >= maxlen) {
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+ goto error;
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}
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- if ( app->next ) {
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- memcpy( hdrbuf + len, ",", 1 );
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- len++;
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+ memcpy(hdrbuf + len, ">;appearance-index=", strlen(">;appearance-index="));
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+ len += strlen(">;appearance-index=");
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+ if (len >= maxlen) {
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+ goto error;
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}
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- maxlen -= len;
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- hdrbuf += len;
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+ app_index_p = int2str(appearance_index, &idx_len);
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+ memcpy(hdrbuf + len, app_index_p, idx_len);
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+ len += idx_len;
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+ if (len >= maxlen) {
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+ goto error;
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+ }
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- usedlen += len;
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- }
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+ memcpy(hdrbuf + len, CRLF, CRLF_LEN);
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+ len += CRLF_LEN;
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|
|
+ if (len >= maxlen) {
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
|
|
|
-done:
|
|
|
- sca_hash_table_unlock_index( scam->appearances, slot_idx );
|
|
|
+ return (len);
|
|
|
|
|
|
- return( usedlen );
|
|
|
+ error:
|
|
|
+ LM_ERR( "Failed to append Call-Info header for %.*s appearance index %d\n",
|
|
|
+ STR_FMT( &sub->subscriber ), appearance_index );
|
|
|
+ return (-1);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_build_idle_value( sca_mod *scam, str *aor,
|
|
|
- char *hdrbuf, int maxlen )
|
|
|
-{
|
|
|
- str idle_domain = STR_NULL;
|
|
|
- int len;
|
|
|
-
|
|
|
- if ( sca_call_info_domain_from_uri( aor, &idle_domain ) < 0 ) {
|
|
|
- LM_ERR( "Failed to extract domain from %.*s for idle domain",
|
|
|
- STR_FMT( aor ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- /* the SCA_APPEARANCE_ strs' s member are literal C strings */
|
|
|
- len = snprintf( hdrbuf, maxlen,
|
|
|
- "<sip:%.*s>;%s=*;%s=%s%s",
|
|
|
- STR_FMT( &idle_domain ),
|
|
|
- SCA_APPEARANCE_INDEX_STR.s,
|
|
|
- SCA_APPEARANCE_STATE_STR.s,
|
|
|
- SCA_APPEARANCE_STATE_STR_IDLE.s, CRLF );
|
|
|
- if ( len >= maxlen ) {
|
|
|
- LM_ERR( "Failed to add idle appearance: Call-Info header too long" );
|
|
|
- len = -1;
|
|
|
-
|
|
|
- /* snprintf can also return negative. we catch that in the caller. */
|
|
|
- }
|
|
|
-
|
|
|
- return( len );
|
|
|
+hdr_field_t *
|
|
|
+sca_call_info_header_find(hdr_field_t *msg_hdrs) {
|
|
|
+ hdr_field_t *hdr = NULL;
|
|
|
+
|
|
|
+ for (hdr = msg_hdrs; hdr != NULL; hdr = hdr->next) {
|
|
|
+ if (hdr->type == HDR_OTHER_T
|
|
|
+ && hdr->name.len == SCA_CALL_INFO_HEADER_NAME.len) {
|
|
|
+ if (strncasecmp(hdr->name.s, SCA_CALL_INFO_HEADER_NAME.s,
|
|
|
+ SCA_CALL_INFO_HEADER_NAME.len) == 0) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return (hdr);
|
|
|
}
|
|
|
|
|
|
- int
|
|
|
-sca_call_info_build_header( sca_mod *scam, sca_subscription *sub,
|
|
|
- char *hdrbuf, int maxlen )
|
|
|
-{
|
|
|
- /* we send one Call-Info header, appearances separated by commas */
|
|
|
- int len;
|
|
|
- int usedlen = SCA_CALL_INFO_HEADER_STR.len;
|
|
|
-
|
|
|
- /* begin with "Call-Info: " */
|
|
|
- memcpy( hdrbuf, SCA_CALL_INFO_HEADER_STR.s, SCA_CALL_INFO_HEADER_STR.len );
|
|
|
-
|
|
|
- len = sca_call_info_header_append_appearances( scam, sub,
|
|
|
- hdrbuf + usedlen, maxlen - usedlen );
|
|
|
- usedlen += len;
|
|
|
- if ( usedlen > SCA_CALL_INFO_HEADER_STR.len ) {
|
|
|
- /* we added an indexed appearance, append a comma */
|
|
|
- memcpy( hdrbuf + usedlen, ",", 1 );
|
|
|
- usedlen++;
|
|
|
- }
|
|
|
-
|
|
|
- /* line-seize NOTIFYs will contain only the seized appearance index */
|
|
|
- if ( sub->event != SCA_EVENT_TYPE_LINE_SEIZE ) {
|
|
|
- /* if not all appearances in use, add *-index idle */
|
|
|
- len = sca_call_info_build_idle_value( scam, &sub->target_aor,
|
|
|
- hdrbuf + usedlen, maxlen - usedlen );
|
|
|
- if ( len < 0 || len + usedlen >= maxlen ) {
|
|
|
- LM_ERR( "Cannot build idle Call-Info value: buffer too small" );
|
|
|
- return( -1 );
|
|
|
+int sca_call_info_body_parse(str *hdr_body, sca_call_info *call_info) {
|
|
|
+ str s = STR_NULL;
|
|
|
+ char *p;
|
|
|
+ char *semi;
|
|
|
+ int len;
|
|
|
+
|
|
|
+ assert(call_info != NULL);
|
|
|
+
|
|
|
+ if (SCA_STR_EMPTY(hdr_body)) {
|
|
|
+ LM_ERR( "Call-Info header body is empty\n" );
|
|
|
+ return (-1);
|
|
|
}
|
|
|
- usedlen += len;
|
|
|
- }
|
|
|
|
|
|
- return( usedlen );
|
|
|
-}
|
|
|
+ call_info->sca_uri.s = NULL;
|
|
|
+ call_info->sca_uri.len = 0;
|
|
|
+ call_info->index = -1;
|
|
|
+ call_info->state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
+ call_info->uri.s = NULL;
|
|
|
+ call_info->uri.len = 0;
|
|
|
+
|
|
|
+ p = hdr_body->s;
|
|
|
+ if (memcmp(p, "<sip:", strlen("<sip:")) != 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header body: must begin with \"<sip:\"\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ /* +5 == strlen( "<sip:" ) */
|
|
|
+ semi = memchr(p + 5, ';', hdr_body->len);
|
|
|
+ if (semi == NULL) {
|
|
|
+ LM_ERR( "Bad Call-Info header body: missing ';' between uri and "
|
|
|
+ "%.*s\n", STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ if (*(semi - 1) != '>') {
|
|
|
+ LM_ERR( "Bad Call-Info header body: SCA URI missing '>' terminator\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
|
|
|
- int
|
|
|
-sca_call_info_append_header_for_appearance_index( sca_subscription *sub,
|
|
|
- int appearance_index, char *hdrbuf, int maxlen )
|
|
|
-{
|
|
|
- str domain = STR_NULL;
|
|
|
- char *app_index_p = NULL;
|
|
|
- int len = 0, idx_len;
|
|
|
-
|
|
|
- memcpy( hdrbuf, SCA_CALL_INFO_HEADER_STR.s, SCA_CALL_INFO_HEADER_STR.len );
|
|
|
- len += SCA_CALL_INFO_HEADER_STR.len;
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy( hdrbuf + len, "<sip:", strlen( "<sip:" ));
|
|
|
- len += strlen( "<sip:" );
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- sca_call_info_domain_from_uri( &sub->target_aor, &domain );
|
|
|
- memcpy( hdrbuf + len, domain.s, domain.len );
|
|
|
- len += domain.len;
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy( hdrbuf + len, ">;appearance-index=",
|
|
|
- strlen( ">;appearance-index=" ));
|
|
|
- len += strlen( ">;appearance-index=" );
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- app_index_p = int2str( appearance_index, &idx_len );
|
|
|
- memcpy( hdrbuf + len, app_index_p, idx_len );
|
|
|
- len += idx_len;
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- memcpy( hdrbuf + len, CRLF, CRLF_LEN );
|
|
|
- len += CRLF_LEN;
|
|
|
- if ( len >= maxlen ) {
|
|
|
- goto error;
|
|
|
- }
|
|
|
-
|
|
|
- return( len );
|
|
|
-
|
|
|
-error:
|
|
|
- LM_ERR( "Failed to append Call-Info header for %.*s appearance index %d",
|
|
|
- STR_FMT( &sub->subscriber ), appearance_index );
|
|
|
- return( -1 );
|
|
|
-}
|
|
|
+ call_info->sca_uri.s = p;
|
|
|
+ call_info->sca_uri.len = semi - p;
|
|
|
|
|
|
- hdr_field_t *
|
|
|
-sca_call_info_header_find( hdr_field_t *msg_hdrs )
|
|
|
-{
|
|
|
- hdr_field_t *hdr = NULL;
|
|
|
+ p = semi;
|
|
|
+ p++;
|
|
|
+ if (memcmp(p, SCA_APPEARANCE_INDEX_STR.s, SCA_APPEARANCE_INDEX_STR.len)
|
|
|
+ != 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header body: does not begin with %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
|
|
|
- for ( hdr = msg_hdrs; hdr != NULL; hdr = hdr->next ) {
|
|
|
- if ( hdr->type == HDR_OTHER_T &&
|
|
|
- hdr->name.len == SCA_CALL_INFO_HEADER_NAME.len ) {
|
|
|
- if ( strncasecmp( hdr->name.s, SCA_CALL_INFO_HEADER_NAME.s,
|
|
|
- SCA_CALL_INFO_HEADER_NAME.len ) == 0) {
|
|
|
- break;
|
|
|
- }
|
|
|
+ p += SCA_APPEARANCE_INDEX_STR.len;
|
|
|
+ if (*p != '=') {
|
|
|
+ LM_ERR( "Bad Call-Info header body: missing '=' after %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
+ return (-1);
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return( hdr );
|
|
|
-}
|
|
|
+ p++;
|
|
|
+ len = (hdr_body->s + hdr_body->len) - p;
|
|
|
+ semi = memchr(p, ';', len);
|
|
|
+ if (semi != NULL) {
|
|
|
+ len = semi - p;
|
|
|
+ }
|
|
|
+ s.s = p;
|
|
|
+ s.len = len;
|
|
|
+
|
|
|
+ if (str2int(&s, (unsigned int *) &call_info->index) != 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header: failed to convert %.*s %.*s to an "
|
|
|
+ "integer\n", STR_FMT( &SCA_APPEARANCE_INDEX_STR ), STR_FMT( &s ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (semi == NULL) {
|
|
|
+ /* Call-Info header only contained an appearance-index */
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* advance appearance-index value + semi-colon */
|
|
|
+ p += (len + 1);
|
|
|
+ if (memcmp(p, SCA_APPEARANCE_STATE_STR.s, SCA_APPEARANCE_STATE_STR.len)
|
|
|
+ != 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header: missing %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_STATE_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ p += SCA_APPEARANCE_STATE_STR.len;
|
|
|
+ if (*p != '=') {
|
|
|
+ LM_ERR( "Bad Call-Info header body: missing '=' after %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_STATE_STR ));
|
|
|
+ return (-1);
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ p++;
|
|
|
+ len = (hdr_body->s + hdr_body->len) - p;
|
|
|
+ semi = memchr(p, ';', len);
|
|
|
+ if (semi != NULL) {
|
|
|
+ len = semi - p;
|
|
|
+ }
|
|
|
+ s.s = p;
|
|
|
+ s.len = len;
|
|
|
+
|
|
|
+ call_info->state = sca_appearance_state_from_str(&s);
|
|
|
+ if (call_info->state == SCA_APPEARANCE_STATE_UNKNOWN) {
|
|
|
+ LM_ERR( "Bad Call-Info header: unrecognized state \"%.*s\"\n",
|
|
|
+ STR_FMT( &s ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (semi == NULL) {
|
|
|
+ /* Call-Info header only had appearance-index & appearance-state */
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* advance length of state + semi-colon */
|
|
|
+ p += (len + 1);
|
|
|
+ if (memcmp(p, SCA_APPEARANCE_URI_STR.s, SCA_APPEARANCE_URI_STR.len) != 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header: missing %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ p += SCA_APPEARANCE_URI_STR.len;
|
|
|
+ if (*p != '=') {
|
|
|
+ LM_ERR( "Bad Call-Info header: missing '=' after %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ p++;
|
|
|
+ call_info->uri.s = p;
|
|
|
+ call_info->uri.len = (hdr_body->s + hdr_body->len) - p;
|
|
|
|
|
|
- int
|
|
|
-sca_call_info_body_parse( str *hdr_body, sca_call_info *call_info )
|
|
|
-{
|
|
|
- str s = STR_NULL;
|
|
|
- char *p;
|
|
|
- char *semi;
|
|
|
- int len;
|
|
|
-
|
|
|
- assert( call_info != NULL );
|
|
|
-
|
|
|
- if ( SCA_STR_EMPTY( hdr_body )) {
|
|
|
- LM_ERR( "Call-Info header body is empty" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- call_info->sca_uri.s = NULL;
|
|
|
- call_info->sca_uri.len = 0;
|
|
|
- call_info->index = -1;
|
|
|
- call_info->state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
- call_info->uri.s = NULL;
|
|
|
- call_info->uri.len = 0;
|
|
|
-
|
|
|
- p = hdr_body->s;
|
|
|
- if ( memcmp( p, "<sip:", strlen( "<sip:" )) != 0 ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: must begin with \"<sip:\"" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- /* +5 == strlen( "<sip:" ) */
|
|
|
- semi = memchr( p + 5, ';', hdr_body->len );
|
|
|
- if ( semi == NULL ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: missing ';' between uri and "
|
|
|
- "%.*s", STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- if ( *(semi - 1) != '>' ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: SCA URI missing '>' terminator" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- call_info->sca_uri.s = p;
|
|
|
- call_info->sca_uri.len = semi - p;
|
|
|
-
|
|
|
- p = semi;
|
|
|
- p++;
|
|
|
- if ( memcmp( p, SCA_APPEARANCE_INDEX_STR.s,
|
|
|
- SCA_APPEARANCE_INDEX_STR.len ) != 0 ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: does not begin with %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- p += SCA_APPEARANCE_INDEX_STR.len;
|
|
|
- if ( *p != '=' ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: missing '=' after %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_INDEX_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- p++;
|
|
|
- len = ( hdr_body->s + hdr_body->len ) - p;
|
|
|
- semi = memchr( p, ';', len );
|
|
|
- if ( semi != NULL ) {
|
|
|
- len = semi - p;
|
|
|
- }
|
|
|
- s.s = p;
|
|
|
- s.len = len;
|
|
|
-
|
|
|
- if ( str2int( &s, (unsigned int *)&call_info->index ) != 0 ) {
|
|
|
- LM_ERR( "Bad Call-Info header: failed to convert %.*s %.*s to an "
|
|
|
- "integer", STR_FMT( &SCA_APPEARANCE_INDEX_STR ), STR_FMT( &s ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( semi == NULL ) {
|
|
|
- /* Call-Info header only contained an appearance-index */
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* advance appearance-index value + semi-colon */
|
|
|
- p += ( len + 1 );
|
|
|
- if ( memcmp( p, SCA_APPEARANCE_STATE_STR.s,
|
|
|
- SCA_APPEARANCE_STATE_STR.len ) != 0 ) {
|
|
|
- LM_ERR( "Bad Call-Info header: missing %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_STATE_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- p += SCA_APPEARANCE_STATE_STR.len;
|
|
|
- if ( *p != '=' ) {
|
|
|
- LM_ERR( "Bad Call-Info header body: missing '=' after %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_STATE_STR ));
|
|
|
- return( -1 );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- p++;
|
|
|
- len = ( hdr_body->s + hdr_body->len ) - p;
|
|
|
- semi = memchr( p, ';', len );
|
|
|
- if ( semi != NULL ) {
|
|
|
- len = semi - p;
|
|
|
- }
|
|
|
- s.s = p;
|
|
|
- s.len = len;
|
|
|
-
|
|
|
- call_info->state = sca_appearance_state_from_str( &s );
|
|
|
- if ( call_info->state == SCA_APPEARANCE_STATE_UNKNOWN ) {
|
|
|
- LM_ERR( "Bad Call-Info header: unrecognized state \"%.*s\"",
|
|
|
- STR_FMT( &s ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( semi == NULL ) {
|
|
|
- /* Call-Info header only had appearance-index & appearance-state */
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* advance length of state + semi-colon */
|
|
|
- p += ( len + 1 );
|
|
|
- if ( memcmp( p, SCA_APPEARANCE_URI_STR.s,
|
|
|
- SCA_APPEARANCE_URI_STR.len ) != 0 ) {
|
|
|
- LM_ERR( "Bad Call-Info header: missing %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- p += SCA_APPEARANCE_URI_STR.len;
|
|
|
- if ( *p != '=' ) {
|
|
|
- LM_ERR( "Bad Call-Info header: missing '=' after %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- p++;
|
|
|
- call_info->uri.s = p;
|
|
|
- call_info->uri.len = ( hdr_body->s + hdr_body->len ) - p;
|
|
|
-
|
|
|
- if ( SCA_STR_EMPTY( &call_info->uri )) {
|
|
|
- LM_ERR( "Bad Call-Info header: empty %.*s",
|
|
|
- STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
-done:
|
|
|
- return( 0 );
|
|
|
+ if (SCA_STR_EMPTY(&call_info->uri)) {
|
|
|
+ LM_ERR( "Bad Call-Info header: empty %.*s\n",
|
|
|
+ STR_FMT( &SCA_APPEARANCE_URI_STR ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ done: return (0);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
@@ -494,1553 +471,1495 @@ done:
|
|
|
* 0: no call-info headers found.
|
|
|
* >=1: removed 1 or more call-info headers.
|
|
|
*/
|
|
|
- static int
|
|
|
-sca_call_info_header_remove( sip_msg_t *msg )
|
|
|
-{
|
|
|
- hdr_field_t *hdr;
|
|
|
- struct lump *ci_hdr_lump;
|
|
|
- int rc = 0;
|
|
|
-
|
|
|
- /* all headers must be parsed before using del_lump */
|
|
|
- if ( parse_headers( msg, HDR_EOH_F, 0 ) < 0 ) {
|
|
|
- LM_ERR( "Failed to parse_headers" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
+static int sca_call_info_header_remove(sip_msg_t *msg) {
|
|
|
+ hdr_field_t *hdr;
|
|
|
+ struct lump *ci_hdr_lump;
|
|
|
+ int rc = 0;
|
|
|
+
|
|
|
+ /* all headers must be parsed before using del_lump */
|
|
|
+ if (parse_headers(msg, HDR_EOH_F, 0) < 0) {
|
|
|
+ LM_ERR( "Failed to parse_headers\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
|
|
|
#ifdef notdef
|
|
|
- for ( hdr = sca_call_info_header_find( msg->headers ); hdr != NULL;
|
|
|
- hdr = sca_call_info_header_find( hdr->next )) {
|
|
|
+ for ( hdr = sca_call_info_header_find( msg->headers ); hdr != NULL;
|
|
|
+ hdr = sca_call_info_header_find( hdr->next )) {
|
|
|
#endif /* notdef */
|
|
|
- for ( hdr = msg->headers; hdr; hdr = hdr->next ) {
|
|
|
- if ( hdr->name.len != SCA_CALL_INFO_HEADER_NAME.len ) {
|
|
|
- continue;
|
|
|
+ for (hdr = msg->headers; hdr; hdr = hdr->next) {
|
|
|
+ if (hdr->name.len != SCA_CALL_INFO_HEADER_NAME.len) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (memcmp(hdr->name.s, SCA_CALL_INFO_HEADER_NAME.s, hdr->name.len)
|
|
|
+ != 0) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* del_lump takes packet, offset, lump length, & hdr type */
|
|
|
+ ci_hdr_lump = del_lump(msg, hdr->name.s - msg->buf, hdr->len,
|
|
|
+ HDR_OTHER_T);
|
|
|
+ if (ci_hdr_lump == NULL) {
|
|
|
+ LM_ERR( "Failed to del_lump Call-Info header\n" );
|
|
|
+ rc = -1;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc++;
|
|
|
}
|
|
|
- if ( memcmp( hdr->name.s, SCA_CALL_INFO_HEADER_NAME.s,
|
|
|
- hdr->name.len ) != 0 ) {
|
|
|
- continue;
|
|
|
+
|
|
|
+ return (rc);
|
|
|
+}
|
|
|
+
|
|
|
+//static int
|
|
|
+int sca_call_info_seize_held_call(sip_msg_t *msg, sca_call_info *call_info,
|
|
|
+ struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
+ str *contact_uri) {
|
|
|
+ sca_appearance *app;
|
|
|
+ struct lump *anchor;
|
|
|
+ str callee_aor = STR_NULL;
|
|
|
+ str replaces_hdr = STR_NULL;
|
|
|
+ str prev_callid = STR_NULL;
|
|
|
+ str prev_totag = STR_NULL;
|
|
|
+ char tagbuf[1024];
|
|
|
+ char callee_buf[1024];
|
|
|
+ int slot_idx = -1;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ slot_idx = sca_hash_table_index_for_key(sca->appearances, from_aor);
|
|
|
+ sca_hash_table_lock_index(sca->appearances, slot_idx);
|
|
|
+
|
|
|
+ app = sca_appearance_for_index_unsafe(sca, from_aor, call_info->index,
|
|
|
+ slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: no active appearances for "
|
|
|
+ "%.*s\n", STR_FMT( from_aor ));
|
|
|
+ goto done;
|
|
|
}
|
|
|
|
|
|
- /* del_lump takes packet, offset, lump length, & hdr type */
|
|
|
- ci_hdr_lump = del_lump( msg, hdr->name.s - msg->buf,
|
|
|
- hdr->len, HDR_OTHER_T );
|
|
|
- if ( ci_hdr_lump == NULL ) {
|
|
|
- LM_ERR( "Failed to del_lump Call-Info header" );
|
|
|
- rc = -1;
|
|
|
- break;
|
|
|
+ if (app->state == SCA_APPEARANCE_STATE_HELD_PRIVATE) {
|
|
|
+ /*
|
|
|
+ * spec calls for "403 Forbidden" when non-owner tries to
|
|
|
+ * seize a privately held call. if we get here, there's no
|
|
|
+ * to-tag in the INVITE, meaning this isn't a reINVITE
|
|
|
+ * from the owner to take the call off private hold.
|
|
|
+ */
|
|
|
+ SCA_REPLY_ERROR(sca, 403, "Forbidden - private call", msg);
|
|
|
+
|
|
|
+ /* rc bubbles up to script. 0 tells script to stop processing. */
|
|
|
+ rc = 0;
|
|
|
+ goto done;
|
|
|
}
|
|
|
|
|
|
- rc++;
|
|
|
- }
|
|
|
+ LM_DBG( "sca_call_info_seize_held_call: seizing %.*s index %d, callee %.*s\n",
|
|
|
+ STR_FMT( from_aor ), app->index, STR_FMT( &app->callee ));
|
|
|
|
|
|
- return( rc );
|
|
|
-}
|
|
|
+ /* rewrite the RURI to use the callee in this SCA dialog */
|
|
|
+ if (msg->new_uri.s) {
|
|
|
+ /*
|
|
|
+ * someone already rewrote the URI. shouldn't happen, but we have
|
|
|
+ * to watch for it. log our overwriting of it.
|
|
|
+ */
|
|
|
|
|
|
- //static int
|
|
|
- int
|
|
|
-sca_call_info_seize_held_call( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
- str *contact_uri )
|
|
|
-{
|
|
|
- sca_appearance *app;
|
|
|
- struct lump *anchor;
|
|
|
- str callee_aor = STR_NULL;
|
|
|
- str replaces_hdr = STR_NULL;
|
|
|
- str prev_callid = STR_NULL;
|
|
|
- str prev_totag = STR_NULL;
|
|
|
- char tagbuf[ 1024 ];
|
|
|
- char callee_buf[ 1024 ];
|
|
|
- int slot_idx = -1;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- slot_idx = sca_hash_table_index_for_key( sca->appearances, from_aor );
|
|
|
- sca_hash_table_lock_index( sca->appearances, slot_idx );
|
|
|
-
|
|
|
- app = sca_appearance_for_index_unsafe( sca, from_aor, call_info->index,
|
|
|
- slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: no active appearances for "
|
|
|
- "%.*s", STR_FMT( from_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( app->state == SCA_APPEARANCE_STATE_HELD_PRIVATE ) {
|
|
|
- /*
|
|
|
- * spec calls for "403 Forbidden" when non-owner tries to
|
|
|
- * seize a privately held call. if we get here, there's no
|
|
|
- * to-tag in the INVITE, meaning this isn't a reINVITE
|
|
|
- * from the owner to take the call off private hold.
|
|
|
- */
|
|
|
- SCA_REPLY_ERROR( sca, 403, "Forbidden - private call", msg );
|
|
|
-
|
|
|
- /* rc bubbles up to script. 0 tells script to stop processing. */
|
|
|
- rc = 0;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- LM_DBG( "sca_call_info_seize_held_call: seizing %.*s index %d, callee %.*s",
|
|
|
- STR_FMT( from_aor ), app->index, STR_FMT( &app->callee ));
|
|
|
-
|
|
|
- /* rewrite the RURI to use the callee in this SCA dialog */
|
|
|
- if ( msg->new_uri.s ) {
|
|
|
- /*
|
|
|
- * someone already rewrote the URI. shouldn't happen, but we have
|
|
|
- * to watch for it. log our overwriting of it.
|
|
|
- */
|
|
|
+ LM_DBG( "SCA caller retrieving held call, but RURI was already "
|
|
|
+ "rewritten as %.*s. Overwriting with %.*s.\n",
|
|
|
+ STR_FMT( &msg->new_uri ), STR_FMT( &app->callee ));
|
|
|
+
|
|
|
+ pkg_free(msg->new_uri.s);
|
|
|
+ msg->new_uri.s = NULL;
|
|
|
+ msg->new_uri.len = 0;
|
|
|
+ }
|
|
|
|
|
|
- LM_DBG( "SCA caller retrieving held call, but RURI was already "
|
|
|
- "rewritten as %.*s. Overwriting with %.*s.",
|
|
|
- STR_FMT( &msg->new_uri ), STR_FMT( &app->callee ));
|
|
|
-
|
|
|
- pkg_free( msg->new_uri.s );
|
|
|
- msg->new_uri.s = NULL;
|
|
|
- msg->new_uri.len = 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* msg->new_uri.s is free'd when transaction is torn down */
|
|
|
- msg->new_uri.s = (char *)pkg_malloc( app->callee.len );
|
|
|
- if ( msg->new_uri.s == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: pkg_malloc new RURI %.*s "
|
|
|
- "failed", STR_FMT( &app->callee ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- SCA_STR_COPY( &msg->new_uri, &app->callee );
|
|
|
-
|
|
|
- {
|
|
|
- int idx;
|
|
|
-
|
|
|
- for ( idx = 0; get_sip_branch( idx ) != NULL; idx++ )
|
|
|
- ;
|
|
|
-
|
|
|
- for ( ; idx >= 0; idx-- ) {
|
|
|
- drop_sip_branch( idx );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* must reset to avoid using cached parsed RURI */
|
|
|
- msg->parsed_uri_ok = 0;
|
|
|
- ruri_mark_new();
|
|
|
-
|
|
|
- /* store the previous dialog's tags for lookup of the callee */
|
|
|
- prev_callid.s = tagbuf;
|
|
|
- SCA_STR_COPY( &prev_callid, &app->dialog.call_id );
|
|
|
-
|
|
|
- prev_totag.s = tagbuf + prev_callid.len;
|
|
|
- SCA_STR_COPY( &prev_totag, &app->dialog.to_tag );
|
|
|
-
|
|
|
- /* pkg_malloc's replaces_hdr.s, which is free'd if added as lump */
|
|
|
- if ( sca_dialog_create_replaces_header( &app->dialog,
|
|
|
- &replaces_hdr ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: failed to create Replaces "
|
|
|
- "header for %.*s from dialog %.*s",
|
|
|
- STR_FMT( from_aor ), STR_FMT( &app->dialog.id ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* store the callee's username for lookup of the callee by AoR */
|
|
|
- callee_aor.s = callee_buf;
|
|
|
- if ( sca_uri_build_aor( &callee_aor, sizeof( callee_buf ), &app->callee,
|
|
|
- from_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: failed to create To AoR "
|
|
|
- "from %.*s and %.*s", STR_FMT( &app->callee ),
|
|
|
- STR_FMT( from_aor ));
|
|
|
- pkg_free( replaces_hdr.s );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* all headers must be parsed before using lump functions */
|
|
|
- if ( parse_headers( msg, HDR_EOH_F, 0 ) < 0 ) {
|
|
|
- LM_ERR( "Failed to parse_headers" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- anchor = anchor_lump( msg, msg->eoh - msg->buf, 0, HDR_OTHER_T );
|
|
|
- if ( anchor == NULL ) {
|
|
|
- LM_ERR( "Failed to anchor lump" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* append the Replaces header before the sdp body */
|
|
|
- if ( insert_new_lump_before( anchor, replaces_hdr.s,
|
|
|
- replaces_hdr.len, HDR_OTHER_T ) == NULL ) {
|
|
|
- LM_ERR( "Failed to add Replaces header %.*s", STR_FMT( &replaces_hdr ));
|
|
|
- pkg_free( replaces_hdr.s );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * RFC 3891 (Replaces header) suggests, but does not require, that the
|
|
|
- * UAS establish the dialog with the UAC replacing the existing dialog
|
|
|
- * before sending the BYE to the original UAC. Polycom handsets appear
|
|
|
- * to send the BYE to the original UAC first, so we save the pending
|
|
|
- * owner here. if the 200 OK arrives first, we update the owner and
|
|
|
- * dialog there. otherwise, we catch this in the 200 OK to the BYE
|
|
|
- * sent by the line being replaced.
|
|
|
- *
|
|
|
- * if the reINVITE to seize the held line fails for some reason,
|
|
|
- * we restore the original owner and dialog.
|
|
|
- */
|
|
|
-
|
|
|
- if ( sca_appearance_update_owner_unsafe( app, contact_uri ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: failed to update owner" );
|
|
|
- pkg_free( replaces_hdr.s );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_appearance_update_dialog_unsafe( app, &msg->callid->body,
|
|
|
- &from->tag_value, &to->tag_value ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: failed to update dialog" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- app->flags |= SCA_APPEARANCE_FLAG_OWNER_PENDING;
|
|
|
- sca_appearance_update_state_unsafe( app, SCA_APPEARANCE_STATE_ACTIVE );
|
|
|
-
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- slot_idx = -1;
|
|
|
-
|
|
|
- if ( callee_aor.s != NULL && callee_aor.len > 0 ) {
|
|
|
- if ( sca_uri_lock_if_shared_appearance( sca, &callee_aor, &slot_idx )) {
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, &callee_aor,
|
|
|
- &prev_callid, &prev_totag, NULL, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: failed to find "
|
|
|
- "appearance of %.*s with dialog %.*s;%.*s",
|
|
|
- STR_FMT( &callee_aor ), STR_FMT( &prev_callid ),
|
|
|
- STR_FMT( &prev_totag ));
|
|
|
+ /* msg->new_uri.s is free'd when transaction is torn down */
|
|
|
+ msg->new_uri.s = (char *) pkg_malloc(app->callee.len);
|
|
|
+ if (msg->new_uri.s == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: pkg_malloc new RURI %.*s "
|
|
|
+ "failed\n", STR_FMT( &app->callee ));
|
|
|
goto done;
|
|
|
- }
|
|
|
+ }
|
|
|
+ SCA_STR_COPY(&msg->new_uri, &app->callee);
|
|
|
+
|
|
|
+ {
|
|
|
+ int idx;
|
|
|
|
|
|
- app->flags |= SCA_APPEARANCE_FLAG_CALLEE_PENDING;
|
|
|
+ for (idx = 0; get_sip_branch(idx) != NULL; idx++)
|
|
|
+ ;
|
|
|
|
|
|
- if ( sca_appearance_update_callee_unsafe( app, contact_uri ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: "
|
|
|
- "failed to update callee" );
|
|
|
+ for (; idx >= 0; idx--) {
|
|
|
+ drop_sip_branch(idx);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* must reset to avoid using cached parsed RURI */
|
|
|
+ msg->parsed_uri_ok = 0;
|
|
|
+ ruri_mark_new();
|
|
|
+
|
|
|
+ /* store the previous dialog's tags for lookup of the callee */
|
|
|
+ prev_callid.s = tagbuf;
|
|
|
+ SCA_STR_COPY(&prev_callid, &app->dialog.call_id);
|
|
|
+
|
|
|
+ prev_totag.s = tagbuf + prev_callid.len;
|
|
|
+ SCA_STR_COPY(&prev_totag, &app->dialog.to_tag);
|
|
|
+
|
|
|
+ /* pkg_malloc's replaces_hdr.s, which is free'd if added as lump */
|
|
|
+ if (sca_dialog_create_replaces_header(&app->dialog, &replaces_hdr) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: failed to create Replaces "
|
|
|
+ "header for %.*s from dialog %.*s\n",
|
|
|
+ STR_FMT( from_aor ), STR_FMT( &app->dialog.id ));
|
|
|
goto done;
|
|
|
- }
|
|
|
- if ( sca_appearance_update_dialog_unsafe( app, &msg->callid->body,
|
|
|
- &to->tag_value, &from->tag_value ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_seize_held_call: "
|
|
|
- "failed to update dialog" );
|
|
|
+ }
|
|
|
+
|
|
|
+ /* store the callee's username for lookup of the callee by AoR */
|
|
|
+ callee_aor.s = callee_buf;
|
|
|
+ if (sca_uri_build_aor(&callee_aor, sizeof(callee_buf), &app->callee,
|
|
|
+ from_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: failed to create To AoR "
|
|
|
+ "from %.*s and %.*s\n", STR_FMT( &app->callee ),
|
|
|
+ STR_FMT( from_aor ));
|
|
|
+ pkg_free(replaces_hdr.s);
|
|
|
goto done;
|
|
|
- }
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- rc = 1;
|
|
|
+ /* all headers must be parsed before using lump functions */
|
|
|
+ if (parse_headers(msg, HDR_EOH_F, 0) < 0) {
|
|
|
+ LM_ERR( "Failed to parse_headers\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
+ anchor = anchor_lump(msg, msg->eoh - msg->buf, 0, HDR_OTHER_T);
|
|
|
+ if (anchor == NULL) {
|
|
|
+ LM_ERR( "Failed to anchor lump\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- return( rc );
|
|
|
-}
|
|
|
+ /* append the Replaces header before the sdp body */
|
|
|
+ if (insert_new_lump_before(anchor, replaces_hdr.s, replaces_hdr.len,
|
|
|
+ HDR_OTHER_T) == NULL) {
|
|
|
+ LM_ERR( "Failed to add Replaces header %.*s\n", STR_FMT( &replaces_hdr ));
|
|
|
+ pkg_free(replaces_hdr.s);
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_uri_update( str *aor, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *contact_uri,
|
|
|
- str *call_id )
|
|
|
-{
|
|
|
- sca_appearance *app;
|
|
|
- sca_dialog dialog;
|
|
|
- str state_str;
|
|
|
- str *from_tag = &from->tag_value;
|
|
|
- str *to_tag = &to->tag_value;
|
|
|
- char dlg_buf[ 1024 ];
|
|
|
- int slot_idx = -1;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- assert( aor != NULL );
|
|
|
- assert( call_info != NULL );
|
|
|
-
|
|
|
- LM_DBG( "sca_call_info_uri_update for %.*s: From: <%.*s> To: <%.*s> "
|
|
|
- "Contact: <%.*s> Call-ID: %.*s Call-Info: appearance-index=%d",
|
|
|
- STR_FMT( aor ), STR_FMT( &from->uri ), STR_FMT( &to->uri ),
|
|
|
- STR_FMT( contact_uri ), STR_FMT( call_id ), call_info->index );
|
|
|
-
|
|
|
- if ( !sca_uri_is_shared_appearance( sca, aor )) {
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- dialog.id.s = dlg_buf;
|
|
|
- if ( sca_dialog_build_from_tags( &dialog, sizeof( dlg_buf ), call_id,
|
|
|
- to_tag, from_tag ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_uri_update: Failed to build dialog from tags" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- slot_idx = sca_hash_table_index_for_key( sca->appearances, aor );
|
|
|
- sca_hash_table_lock_index( sca->appearances, slot_idx );
|
|
|
-
|
|
|
- app = sca_appearance_for_index_unsafe( sca, aor, call_info->index,
|
|
|
- slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_DBG( "sca_call_info_uri_update: no appearance found for %.*s "
|
|
|
- "index %d, looking up by dialog...", STR_FMT( aor ),
|
|
|
- call_info->index );
|
|
|
- app = sca_appearance_for_dialog_unsafe( sca, aor, &dialog, slot_idx );
|
|
|
- }
|
|
|
- if ( app != NULL ) {
|
|
|
- LM_DBG( "sca_call_info_uri_update: setting owner to %.*s",
|
|
|
- STR_FMT( contact_uri ));
|
|
|
-
|
|
|
- if ( sca_appearance_update_unsafe( app, call_info->state,
|
|
|
- NULL, NULL, &dialog, contact_uri, NULL ) < 0 ) {
|
|
|
- sca_appearance_state_to_str( call_info->state, &state_str );
|
|
|
- LM_ERR( "sca_call_info_uri_update: failed to update appearance "
|
|
|
- "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
- "state %.*s", STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
- goto done;
|
|
|
+ /*
|
|
|
+ * RFC 3891 (Replaces header) suggests, but does not require, that the
|
|
|
+ * UAS establish the dialog with the UAC replacing the existing dialog
|
|
|
+ * before sending the BYE to the original UAC. Polycom handsets appear
|
|
|
+ * to send the BYE to the original UAC first, so we save the pending
|
|
|
+ * owner here. if the 200 OK arrives first, we update the owner and
|
|
|
+ * dialog there. otherwise, we catch this in the 200 OK to the BYE
|
|
|
+ * sent by the line being replaced.
|
|
|
+ *
|
|
|
+ * if the reINVITE to seize the held line fails for some reason,
|
|
|
+ * we restore the original owner and dialog.
|
|
|
+ */
|
|
|
+
|
|
|
+ if (sca_appearance_update_owner_unsafe(app, contact_uri) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: failed to update owner\n" );
|
|
|
+ pkg_free(replaces_hdr.s);
|
|
|
+ goto done;
|
|
|
}
|
|
|
|
|
|
- rc = 1;
|
|
|
- } else {
|
|
|
- app = sca_appearance_seize_index_unsafe( sca, aor, contact_uri,
|
|
|
- call_info->index, slot_idx, NULL );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_uri_update: failed to seize index %d "
|
|
|
- "for %.*s", call_info->index, STR_FMT( contact_uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- LM_DBG( "sca_call_info_uri_update: seized %d for %.*s: From: <%.*s> "
|
|
|
- "To: <%.*s> Call-ID: <%.*s> Dialog: <%.*s>" , app->index,
|
|
|
- STR_FMT( &app->owner ), STR_FMT( &from->uri ),
|
|
|
- STR_FMT( &to->uri ), STR_FMT( call_id ),
|
|
|
- STR_FMT( &app->dialog.id ));
|
|
|
-
|
|
|
- if ( sca_appearance_update_unsafe( app,
|
|
|
- SCA_APPEARANCE_STATE_ACTIVE_PENDING,
|
|
|
- &from->display, &from->uri, &dialog, contact_uri,
|
|
|
- &from->uri ) < 0 ) {
|
|
|
- sca_appearance_state_to_str( call_info->state, &state_str );
|
|
|
- LM_ERR( "sca_call_info_uri_update: failed to update appearance "
|
|
|
- "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
- "state %.*s", STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
- goto done;
|
|
|
+ if (sca_appearance_update_dialog_unsafe(app, &msg->callid->body,
|
|
|
+ &from->tag_value, &to->tag_value) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: failed to update dialog\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ app->flags |= SCA_APPEARANCE_FLAG_OWNER_PENDING;
|
|
|
+ sca_appearance_update_state_unsafe(app, SCA_APPEARANCE_STATE_ACTIVE);
|
|
|
+
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ slot_idx = -1;
|
|
|
+
|
|
|
+ if (callee_aor.s != NULL && callee_aor.len > 0) {
|
|
|
+ if (sca_uri_lock_if_shared_appearance(sca, &callee_aor, &slot_idx)) {
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, &callee_aor, &prev_callid,
|
|
|
+ &prev_totag, NULL, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: failed to find "
|
|
|
+ "appearance of %.*s with dialog %.*s;%.*s\n",
|
|
|
+ STR_FMT( &callee_aor ), STR_FMT( &prev_callid ),
|
|
|
+ STR_FMT( &prev_totag ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ app->flags |= SCA_APPEARANCE_FLAG_CALLEE_PENDING;
|
|
|
+
|
|
|
+ if (sca_appearance_update_callee_unsafe(app, contact_uri) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: "
|
|
|
+ "failed to update callee\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ if (sca_appearance_update_dialog_unsafe(app, &msg->callid->body,
|
|
|
+ &to->tag_value, &from->tag_value) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_seize_held_call: "
|
|
|
+ "failed to update dialog\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
rc = 1;
|
|
|
- }
|
|
|
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
|
|
|
- return( rc );
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_is_line_seize_reinvite( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor, str *to_aor )
|
|
|
-{
|
|
|
- str *ruri;
|
|
|
- str ruri_aor;
|
|
|
- int state;
|
|
|
-
|
|
|
- /*
|
|
|
- * a handset in an SCA group is attempting to seize a held line if:
|
|
|
- * the RURI, From URI and To URI are identical;
|
|
|
- * the above are SCA AoRs;
|
|
|
- * there is no to-tag;
|
|
|
- * a Call-Info header is present
|
|
|
- */
|
|
|
-
|
|
|
- if ( SCA_CALL_INFO_EMPTY( call_info )) {
|
|
|
- return( 0 );
|
|
|
- }
|
|
|
- if ( !SCA_STR_EMPTY( &to->tag_value )) {
|
|
|
- return( 0 );
|
|
|
- }
|
|
|
-
|
|
|
- ruri = GET_RURI( msg );
|
|
|
- if ( sca_uri_extract_aor( ruri, &ruri_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_is_line_seize_reinvite: failed to extract "
|
|
|
- "AoR from RURI %.*s", STR_FMT( ruri ));
|
|
|
- return( 0 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( !SCA_STR_EQ( from_aor, to_aor )) {
|
|
|
- return( 0 );
|
|
|
- }
|
|
|
-
|
|
|
- state = sca_appearance_state_for_index( sca, from_aor, call_info->index );
|
|
|
- if ( state != SCA_APPEARANCE_STATE_HELD ) {
|
|
|
- LM_DBG( "sca_call_info_is_line_seize_reinvite: new INVITE to "
|
|
|
- "%.*s from %.*s appearance-index %d (not seizing held line)",
|
|
|
- STR_FMT( to_aor ), STR_FMT( from_aor ), call_info->index );
|
|
|
- return( 0 );
|
|
|
- }
|
|
|
-
|
|
|
- return( 1 );
|
|
|
+static int sca_call_info_uri_update(str *aor, sca_call_info *call_info,
|
|
|
+ struct to_body *from, struct to_body *to, str *contact_uri,
|
|
|
+ str *call_id) {
|
|
|
+ sca_appearance *app;
|
|
|
+ sca_dialog dialog;
|
|
|
+ str state_str;
|
|
|
+ str *from_tag = &from->tag_value;
|
|
|
+ str *to_tag = &to->tag_value;
|
|
|
+ char dlg_buf[1024];
|
|
|
+ int slot_idx = -1;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ assert(aor != NULL);
|
|
|
+ assert(call_info != NULL);
|
|
|
+
|
|
|
+ LM_DBG( "sca_call_info_uri_update for %.*s: From: <%.*s> To: <%.*s> "
|
|
|
+ "Contact: <%.*s> Call-ID: %.*s Call-Info: appearance-index=%d\n",
|
|
|
+ STR_FMT( aor ), STR_FMT( &from->uri ), STR_FMT( &to->uri ),
|
|
|
+ STR_FMT( contact_uri ), STR_FMT( call_id ), call_info->index );
|
|
|
+
|
|
|
+ if (!sca_uri_is_shared_appearance(sca, aor)) {
|
|
|
+ return (1);
|
|
|
+ }
|
|
|
+
|
|
|
+ dialog.id.s = dlg_buf;
|
|
|
+ if (sca_dialog_build_from_tags(&dialog, sizeof(dlg_buf), call_id, to_tag,
|
|
|
+ from_tag) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_uri_update: Failed to build dialog from tags\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ slot_idx = sca_hash_table_index_for_key(sca->appearances, aor);
|
|
|
+ sca_hash_table_lock_index(sca->appearances, slot_idx);
|
|
|
+
|
|
|
+ app = sca_appearance_for_index_unsafe(sca, aor, call_info->index, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_DBG( "sca_call_info_uri_update: no appearance found for %.*s "
|
|
|
+ "index %d, looking up by dialog...\n", STR_FMT( aor ),
|
|
|
+ call_info->index );
|
|
|
+ app = sca_appearance_for_dialog_unsafe(sca, aor, &dialog, slot_idx);
|
|
|
+ }
|
|
|
+ if (app != NULL) {
|
|
|
+ LM_DBG( "sca_call_info_uri_update: setting owner to %.*s\n",
|
|
|
+ STR_FMT( contact_uri ));
|
|
|
+
|
|
|
+ if (sca_appearance_update_unsafe(app, call_info->state,
|
|
|
+ NULL, NULL, &dialog, contact_uri, NULL) < 0) {
|
|
|
+ sca_appearance_state_to_str(call_info->state, &state_str);
|
|
|
+ LM_ERR( "sca_call_info_uri_update: failed to update appearance "
|
|
|
+ "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
+ "state %.*s\n", STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = 1;
|
|
|
+ } else {
|
|
|
+ app = sca_appearance_seize_index_unsafe(sca, aor, contact_uri,
|
|
|
+ call_info->index, slot_idx, NULL);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_uri_update: failed to seize index %d "
|
|
|
+ "for %.*s\n", call_info->index, STR_FMT( contact_uri ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ LM_DBG( "sca_call_info_uri_update: seized %d for %.*s: From: <%.*s> "
|
|
|
+ "To: <%.*s> Call-ID: <%.*s> Dialog: <%.*s>\n" , app->index,
|
|
|
+ STR_FMT( &app->owner ), STR_FMT( &from->uri ),
|
|
|
+ STR_FMT( &to->uri ), STR_FMT( call_id ),
|
|
|
+ STR_FMT( &app->dialog.id ));
|
|
|
+
|
|
|
+ if (sca_appearance_update_unsafe(app,
|
|
|
+ SCA_APPEARANCE_STATE_ACTIVE_PENDING, &from->display, &from->uri,
|
|
|
+ &dialog, contact_uri, &from->uri) < 0) {
|
|
|
+ sca_appearance_state_to_str(call_info->state, &state_str);
|
|
|
+ LM_ERR( "sca_call_info_uri_update: failed to update appearance "
|
|
|
+ "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
+ "state %.*s\n", STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
+
|
|
|
+ return (rc);
|
|
|
+}
|
|
|
+
|
|
|
+static int sca_call_info_is_line_seize_reinvite(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor) {
|
|
|
+ str *ruri;
|
|
|
+ str ruri_aor;
|
|
|
+ int state;
|
|
|
+
|
|
|
+ /*
|
|
|
+ * a handset in an SCA group is attempting to seize a held line if:
|
|
|
+ * the RURI, From URI and To URI are identical;
|
|
|
+ * the above are SCA AoRs;
|
|
|
+ * there is no to-tag;
|
|
|
+ * a Call-Info header is present
|
|
|
+ */
|
|
|
+
|
|
|
+ if (SCA_CALL_INFO_EMPTY(call_info)) {
|
|
|
+ return (0);
|
|
|
+ }
|
|
|
+ if (!SCA_STR_EMPTY(&to->tag_value)) {
|
|
|
+ return (0);
|
|
|
+ }
|
|
|
+
|
|
|
+ ruri = GET_RURI(msg);
|
|
|
+ if (sca_uri_extract_aor(ruri, &ruri_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_is_line_seize_reinvite: failed to extract "
|
|
|
+ "AoR from RURI %.*s\n", STR_FMT( ruri ));
|
|
|
+ return (0);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!SCA_STR_EQ(from_aor, to_aor)) {
|
|
|
+ return (0);
|
|
|
+ }
|
|
|
+
|
|
|
+ state = sca_appearance_state_for_index(sca, from_aor, call_info->index);
|
|
|
+ if (state != SCA_APPEARANCE_STATE_HELD) {
|
|
|
+ LM_DBG( "sca_call_info_is_line_seize_reinvite: new INVITE to "
|
|
|
+ "%.*s from %.*s appearance-index %d (not seizing held line)\n",
|
|
|
+ STR_FMT( to_aor ), STR_FMT( from_aor ), call_info->index );
|
|
|
+ return (0);
|
|
|
+ }
|
|
|
+
|
|
|
+ return (1);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* to be invoked only by proxy-generated replies with error status codes
|
|
|
*/
|
|
|
- static void
|
|
|
-sca_call_info_local_error_reply_handler( sip_msg_t *msg, int status )
|
|
|
-{
|
|
|
- struct to_body *from;
|
|
|
- struct to_body *to;
|
|
|
- sca_appearance *app;
|
|
|
- str aor = STR_NULL;
|
|
|
- str contact_uri = STR_NULL;
|
|
|
- int rc;
|
|
|
-
|
|
|
- if ( sca_get_msg_from_header( msg, &from ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get From header from "
|
|
|
- "request before stateless reply with %d", status );
|
|
|
- return;
|
|
|
- }
|
|
|
- if ( sca_uri_extract_aor( &from->uri, &aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to extract AoR "
|
|
|
- "from URI %.*s", STR_FMT( &from->uri ));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( !sca_uri_is_shared_appearance( sca, &aor )) {
|
|
|
- /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring non-shared appearance "
|
|
|
- "%.*s", STR_FMT( &aor )); */
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_contact_uri( msg, &contact_uri ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get Contact from "
|
|
|
- "request before stateless reply with %d", status );
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_to_header( msg, &to ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get To header from "
|
|
|
- "request before stateless reply with %d", status );
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * two typical cases to handle. in the first case, we haven't dropped
|
|
|
- * our line-seize subscription because a transaction exists but we
|
|
|
- * never got a provisional 18x response before calling t_reply. calling
|
|
|
- * sca_subscription_terminate will drop the subscription and release
|
|
|
- * the seized appearance.
|
|
|
- *
|
|
|
- * in the second case, we got a 18x response and terminated the
|
|
|
- * line-seize subscription, so we need to look up the appearance by
|
|
|
- * tags in order to release it.
|
|
|
- */
|
|
|
- rc = sca_subscription_terminate( sca, &aor,
|
|
|
- SCA_EVENT_TYPE_LINE_SEIZE, &contact_uri,
|
|
|
- SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
- SCA_SUBSCRIPTION_TERMINATE_OPT_DEFAULT );
|
|
|
- if ( rc < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to terminate "
|
|
|
- "line-seize subscription for %.*s", STR_FMT( &contact_uri ));
|
|
|
- } else if ( rc == 0 ) {
|
|
|
- /* no line-seize subscription found */
|
|
|
- app = sca_appearance_unlink_by_tags( sca, &aor,
|
|
|
- &msg->callid->body, &from->tag_value, &to->tag_value );
|
|
|
- if ( app ) {
|
|
|
- sca_appearance_free( app );
|
|
|
- if ( sca_notify_call_info_subscribers( sca, &aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_local_error_reply: failed to send "
|
|
|
- "call-info NOTIFY to %.*s subscribers",
|
|
|
- STR_FMT( &aor ));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
+static void sca_call_info_local_error_reply_handler(sip_msg_t *msg, int status) {
|
|
|
+ struct to_body *from;
|
|
|
+ struct to_body *to;
|
|
|
+ sca_appearance *app;
|
|
|
+ str aor = STR_NULL;
|
|
|
+ str contact_uri = STR_NULL;
|
|
|
+ int rc;
|
|
|
+
|
|
|
+ if (sca_get_msg_from_header(msg, &from) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get From header from "
|
|
|
+ "request before stateless reply with %d\n", status );
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (sca_uri_extract_aor(&from->uri, &aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to extract AoR "
|
|
|
+ "from URI %.*s\n", STR_FMT( &from->uri ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!sca_uri_is_shared_appearance(sca, &aor)) {
|
|
|
+ /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring non-shared appearance "
|
|
|
+ "%.*s\n", STR_FMT( &aor )); */
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_contact_uri(msg, &contact_uri) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get Contact from "
|
|
|
+ "request before stateless reply with %d\n", status );
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_to_header(msg, &to) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get To header from "
|
|
|
+ "request before stateless reply with %d\n", status );
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * two typical cases to handle. in the first case, we haven't dropped
|
|
|
+ * our line-seize subscription because a transaction exists but we
|
|
|
+ * never got a provisional 18x response before calling t_reply. calling
|
|
|
+ * sca_subscription_terminate will drop the subscription and release
|
|
|
+ * the seized appearance.
|
|
|
+ *
|
|
|
+ * in the second case, we got a 18x response and terminated the
|
|
|
+ * line-seize subscription, so we need to look up the appearance by
|
|
|
+ * tags in order to release it.
|
|
|
+ */
|
|
|
+ rc = sca_subscription_terminate(sca, &aor, SCA_EVENT_TYPE_LINE_SEIZE,
|
|
|
+ &contact_uri, SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
+ SCA_SUBSCRIPTION_TERMINATE_OPT_DEFAULT);
|
|
|
+ if (rc < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to terminate "
|
|
|
+ "line-seize subscription for %.*s\n", STR_FMT( &contact_uri ));
|
|
|
+ } else if (rc == 0) {
|
|
|
+ /* no line-seize subscription found */
|
|
|
+ app = sca_appearance_unlink_by_tags(sca, &aor, &msg->callid->body,
|
|
|
+ &from->tag_value, &to->tag_value);
|
|
|
+ if (app) {
|
|
|
+ sca_appearance_free(app);
|
|
|
+ if (sca_notify_call_info_subscribers(sca, &aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_local_error_reply: failed to send "
|
|
|
+ "call-info NOTIFY to %.*s subscribers\n",
|
|
|
+ STR_FMT( &aor ));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
- void
|
|
|
-sca_call_info_response_ready_cb( struct cell *t, int type,
|
|
|
- struct tmcb_params *params )
|
|
|
-{
|
|
|
- if ( !(type & TMCB_RESPONSE_READY)) {
|
|
|
- return;
|
|
|
- }
|
|
|
+void sca_call_info_response_ready_cb(struct cell *t, int type,
|
|
|
+ struct tmcb_params *params) {
|
|
|
+ if (!(type & TMCB_RESPONSE_READY)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
|
|
|
- if ( params->code < 400 ) {
|
|
|
- /* non-error final response: 1xx, 2xx, 3xx */
|
|
|
- return;
|
|
|
- }
|
|
|
+ if (params->code < 400) {
|
|
|
+ /* non-error final response: 1xx, 2xx, 3xx */
|
|
|
+ return;
|
|
|
+ }
|
|
|
|
|
|
- sca_call_info_local_error_reply_handler( params->req, params->code );
|
|
|
+ sca_call_info_local_error_reply_handler(params->req, params->code);
|
|
|
}
|
|
|
|
|
|
- int
|
|
|
-sca_call_info_invite_request_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
- str *contact_uri )
|
|
|
-{
|
|
|
- sca_dialog dialog;
|
|
|
- char dlg_buf[ 1024 ];
|
|
|
- str state_str = STR_NULL;
|
|
|
- int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- /*
|
|
|
- * if we get here, one of the legs is an SCA endpoint. we want to know
|
|
|
- * when the e2e ACK comes in so we can notify other members of the group.
|
|
|
- */
|
|
|
- if ( sca->tm_api->register_tmcb( msg, NULL, TMCB_E2EACK_IN,
|
|
|
- sca_call_info_ack_cb, NULL, NULL ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_request_handler: failed to register "
|
|
|
- "callback for INVITE %.*s ACK", STR_FMT( from_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( !SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) {
|
|
|
- /* caller isn't SCA, no more to do. update callee in reply handler. */
|
|
|
+int sca_call_info_invite_request_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ sca_dialog dialog;
|
|
|
+ char dlg_buf[1024];
|
|
|
+ str state_str = STR_NULL;
|
|
|
+ int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ /*
|
|
|
+ * if we get here, one of the legs is an SCA endpoint. we want to know
|
|
|
+ * when the e2e ACK comes in so we can notify other members of the group.
|
|
|
+ */
|
|
|
+ if (sca->tm_api->register_tmcb(msg, NULL, TMCB_E2EACK_IN,
|
|
|
+ sca_call_info_ack_cb, NULL, NULL) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_request_handler: failed to register "
|
|
|
+ "callback for INVITE %.*s ACK\n", STR_FMT( from_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!SCA_CALL_INFO_IS_SHARED_CALLER(call_info)) {
|
|
|
+ /* caller isn't SCA, no more to do. update callee in reply handler. */
|
|
|
+ rc = 1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * register callback to handle error responses sent from script using
|
|
|
+ * t_reply. TMCB_RESPONSE_READY will only be called from t_reply(),
|
|
|
+ * so relayed responses from upstream UASs will not triggers this.
|
|
|
+ */
|
|
|
+ if (sca->tm_api->register_tmcb(msg, NULL, TMCB_RESPONSE_READY,
|
|
|
+ sca_call_info_response_ready_cb, NULL, NULL) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_request_handler: failed to register "
|
|
|
+ "callback for INVITE %.*s ACK\n", STR_FMT( from_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_call_is_held(msg)) {
|
|
|
+ state = SCA_APPEARANCE_STATE_HELD;
|
|
|
+ if (call_info->state == SCA_APPEARANCE_STATE_HELD_PRIVATE) {
|
|
|
+ state = SCA_APPEARANCE_STATE_HELD_PRIVATE;
|
|
|
+ } else {
|
|
|
+ state = SCA_APPEARANCE_STATE_HELD;
|
|
|
+ }
|
|
|
+ } else if (!SCA_STR_EMPTY(&to->tag_value)) {
|
|
|
+ /* this is a reINVITE from an SCA line that put the call on hold */
|
|
|
+ state = SCA_APPEARANCE_STATE_ACTIVE;
|
|
|
+ } else if (sca_call_info_is_line_seize_reinvite(msg, call_info, from, to,
|
|
|
+ from_aor, to_aor)) {
|
|
|
+ rc = sca_call_info_seize_held_call(msg, call_info, from, to, from_aor,
|
|
|
+ to_aor, contact_uri);
|
|
|
+ if (rc <= 0) {
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /* otherwise, this is an initial INVITE */
|
|
|
+
|
|
|
+ dialog.id.s = dlg_buf;
|
|
|
+ if (sca_dialog_build_from_tags(&dialog, sizeof(dlg_buf), &msg->callid->body,
|
|
|
+ &from->tag_value, &to->tag_value) < 0) {
|
|
|
+ LM_ERR( "Failed to build dialog from tags\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_appearance_update_index(sca, from_aor, call_info->index, state,
|
|
|
+ NULL, NULL, &dialog) != SCA_APPEARANCE_OK) {
|
|
|
+ sca_appearance_state_to_str(state, &state_str);
|
|
|
+ LM_ERR( "Failed to update %.*s appearance-index %d to %.*s\n",
|
|
|
+ STR_FMT( from_aor ), call_info->index,
|
|
|
+ STR_FMT( &state_str ));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on INVITE\n",
|
|
|
+ STR_FMT( from_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
rc = 1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * register callback to handle error responses sent from script using
|
|
|
- * t_reply. TMCB_RESPONSE_READY will only be called from t_reply(),
|
|
|
- * so relayed responses from upstream UASs will not triggers this.
|
|
|
- */
|
|
|
- if ( sca->tm_api->register_tmcb( msg, NULL, TMCB_RESPONSE_READY,
|
|
|
- sca_call_info_response_ready_cb, NULL, NULL ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_request_handler: failed to register "
|
|
|
- "callback for INVITE %.*s ACK", STR_FMT( from_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_call_is_held( msg )) {
|
|
|
- state = SCA_APPEARANCE_STATE_HELD;
|
|
|
- if ( call_info->state == SCA_APPEARANCE_STATE_HELD_PRIVATE ) {
|
|
|
- state = SCA_APPEARANCE_STATE_HELD_PRIVATE;
|
|
|
- } else {
|
|
|
- state = SCA_APPEARANCE_STATE_HELD;
|
|
|
- }
|
|
|
- } else if ( !SCA_STR_EMPTY( &to->tag_value )) {
|
|
|
- /* this is a reINVITE from an SCA line that put the call on hold */
|
|
|
- state = SCA_APPEARANCE_STATE_ACTIVE;
|
|
|
- } else if ( sca_call_info_is_line_seize_reinvite( msg, call_info,
|
|
|
- from, to, from_aor, to_aor )) {
|
|
|
- rc = sca_call_info_seize_held_call( msg, call_info, from, to,
|
|
|
- from_aor, to_aor, contact_uri );
|
|
|
- if ( rc <= 0 ) {
|
|
|
- goto done;
|
|
|
- }
|
|
|
- }
|
|
|
- /* otherwise, this is an initial INVITE */
|
|
|
-
|
|
|
- dialog.id.s = dlg_buf;
|
|
|
- if ( sca_dialog_build_from_tags( &dialog, sizeof( dlg_buf ),
|
|
|
- &msg->callid->body, &from->tag_value, &to->tag_value ) < 0 ) {
|
|
|
- LM_ERR( "Failed to build dialog from tags" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_appearance_update_index( sca, from_aor, call_info->index,
|
|
|
- state, NULL, NULL, &dialog ) != SCA_APPEARANCE_OK ) {
|
|
|
- sca_appearance_state_to_str( state, &state_str );
|
|
|
- LM_ERR( "Failed to update %.*s appearance-index %d to %.*s",
|
|
|
- STR_FMT( from_aor ), call_info->index,
|
|
|
- STR_FMT( &state_str ));
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on INVITE",
|
|
|
- STR_FMT( from_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- rc = 1;
|
|
|
-
|
|
|
-done:
|
|
|
- return( rc );
|
|
|
+
|
|
|
+ done: return (rc);
|
|
|
}
|
|
|
|
|
|
- int
|
|
|
-sca_call_info_invite_reply_18x_handler( sip_msg_t *msg,
|
|
|
- sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
- str *from_aor, str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- sca_appearance *app = NULL;
|
|
|
- str owner = STR_NULL;
|
|
|
- int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
- int slot_idx = -1;
|
|
|
- int rc = -1;
|
|
|
- int notify = 0;
|
|
|
-
|
|
|
- switch ( msg->REPLY_STATUS ) {
|
|
|
- case 180:
|
|
|
- case 183:
|
|
|
- state = SCA_APPEARANCE_STATE_PROGRESSING;
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( !sca_uri_lock_if_shared_appearance( sca, from_aor, &slot_idx )) {
|
|
|
- LM_DBG( "sca_call_info_invite_reply_18x_handler: From-AoR %.*s is "
|
|
|
- "not a shared appearance", STR_FMT( from_aor ));
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, from_aor, &msg->callid->body,
|
|
|
- &from->tag_value, &to->tag_value, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* clone appearance owner for subscription termination below */
|
|
|
- owner.s = (char *)pkg_malloc( app->owner.len );
|
|
|
- if ( owner.s == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_invite_18x_reply_handler: failed to "
|
|
|
- "pkg_malloc %d bytes to clone <%.*s>",
|
|
|
- app->owner.len, STR_FMT( &app->owner ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- SCA_STR_COPY( &owner, &app->owner );
|
|
|
-
|
|
|
- notify = ( app->state != state );
|
|
|
- if ( notify ) {
|
|
|
- sca_appearance_update_state_unsafe( app, state );
|
|
|
- }
|
|
|
- rc = 1;
|
|
|
-
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
-
|
|
|
- if ( rc > 0 && notify && owner.s != NULL ) {
|
|
|
- if ( sca_subscription_terminate( sca, from_aor,
|
|
|
- SCA_EVENT_TYPE_LINE_SEIZE, &owner,
|
|
|
- SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
- SCA_SUBSCRIPTION_TERMINATE_OPT_UNSUBSCRIBE ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_reply_18x_handler: "
|
|
|
- "failed to terminate line-seize subscription for %.*s",
|
|
|
- STR_FMT( &owner ));
|
|
|
- rc = -1;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_reply_18x_handler: "
|
|
|
- "failed to NOTIFY %.*s call-info subscribers",
|
|
|
- STR_FMT( from_aor ));
|
|
|
- rc = -1;
|
|
|
- }
|
|
|
- }
|
|
|
- if ( owner.s != NULL ) {
|
|
|
- pkg_free( owner.s );
|
|
|
- }
|
|
|
-
|
|
|
- return( rc );
|
|
|
+int sca_call_info_invite_reply_18x_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ sca_appearance *app = NULL;
|
|
|
+ str owner = STR_NULL;
|
|
|
+ int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
+ int slot_idx = -1;
|
|
|
+ int rc = -1;
|
|
|
+ int notify = 0;
|
|
|
+
|
|
|
+ switch (msg->REPLY_STATUS) {
|
|
|
+ case 180:
|
|
|
+ case 183:
|
|
|
+ state = SCA_APPEARANCE_STATE_PROGRESSING;
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!sca_uri_lock_if_shared_appearance(sca, from_aor, &slot_idx)) {
|
|
|
+ LM_DBG( "sca_call_info_invite_reply_18x_handler: From-AoR %.*s is "
|
|
|
+ "not a shared appearance\n", STR_FMT( from_aor ));
|
|
|
+ return (1);
|
|
|
+ }
|
|
|
+
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, from_aor, &msg->callid->body,
|
|
|
+ &from->tag_value, &to->tag_value, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* clone appearance owner for subscription termination below */
|
|
|
+ owner.s = (char *) pkg_malloc(app->owner.len);
|
|
|
+ if (owner.s == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_invite_18x_reply_handler: failed to "
|
|
|
+ "pkg_malloc %d bytes to clone <%.*s>\n",
|
|
|
+ app->owner.len, STR_FMT( &app->owner ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ SCA_STR_COPY(&owner, &app->owner);
|
|
|
+
|
|
|
+ notify = (app->state != state);
|
|
|
+ if (notify) {
|
|
|
+ sca_appearance_update_state_unsafe(app, state);
|
|
|
+ }
|
|
|
+ rc = 1;
|
|
|
+
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rc > 0 && notify && owner.s != NULL) {
|
|
|
+ if (sca_subscription_terminate(sca, from_aor, SCA_EVENT_TYPE_LINE_SEIZE,
|
|
|
+ &owner, SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
+ SCA_SUBSCRIPTION_TERMINATE_OPT_UNSUBSCRIBE) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_reply_18x_handler: "
|
|
|
+ "failed to terminate line-seize subscription for %.*s\n",
|
|
|
+ STR_FMT( &owner ));
|
|
|
+ rc = -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_reply_18x_handler: "
|
|
|
+ "failed to NOTIFY %.*s call-info subscribers\n",
|
|
|
+ STR_FMT( from_aor ));
|
|
|
+ rc = -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (owner.s != NULL) {
|
|
|
+ pkg_free(owner.s);
|
|
|
+ }
|
|
|
+
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_insert_asserted_identity( sip_msg_t *msg, str *display,
|
|
|
- int ua_type )
|
|
|
-{
|
|
|
- struct lump *anchor;
|
|
|
- str aor = STR_NULL;
|
|
|
- str hdr = STR_NULL;
|
|
|
- int len;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- anchor = anchor_lump( msg, msg->eoh - msg->buf, 0, HDR_OTHER_T );
|
|
|
- if ( anchor == NULL ) {
|
|
|
- LM_ERR( "Failed to anchor lump" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_create_canonical_aor_for_ua( msg, &aor, ua_type ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_insert_asserted_identity: failed to create "
|
|
|
- "canonical AoR" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
+static int sca_call_info_insert_asserted_identity(sip_msg_t *msg, str *display,
|
|
|
+ int ua_type) {
|
|
|
+ struct lump *anchor;
|
|
|
+ str aor = STR_NULL;
|
|
|
+ str hdr = STR_NULL;
|
|
|
+ int len;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ anchor = anchor_lump(msg, msg->eoh - msg->buf, 0, HDR_OTHER_T);
|
|
|
+ if (anchor == NULL) {
|
|
|
+ LM_ERR( "Failed to anchor lump\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_create_canonical_aor_for_ua(msg, &aor, ua_type) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_insert_asserted_identity: failed to create "
|
|
|
+ "canonical AoR\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
#define SCA_P_ASSERTED_IDENTITY_HDR_PREFIX "P-Asserted-Identity: "
|
|
|
#define SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN strlen("P-Asserted-Identity: ")
|
|
|
|
|
|
- len = SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN;
|
|
|
- len += display->len;
|
|
|
- /* +1 for space, +1 for <, + 1 for > */
|
|
|
- len += 1 + 1 + aor.len + 1 + CRLF_LEN;
|
|
|
+ len = SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN;
|
|
|
+ len += display->len;
|
|
|
+ /* +1 for space, +1 for <, + 1 for > */
|
|
|
+ len += 1 + 1 + aor.len + 1 + CRLF_LEN;
|
|
|
|
|
|
- hdr.s = (char *)pkg_malloc( len );
|
|
|
- if ( hdr.s == NULL ) {
|
|
|
- LM_ERR( "insert_asserted_identity: pkg_malloc %d bytes failed", len );
|
|
|
- goto done;
|
|
|
- }
|
|
|
+ hdr.s = (char *) pkg_malloc(len);
|
|
|
+ if (hdr.s == NULL) {
|
|
|
+ LM_ERR( "insert_asserted_identity: pkg_malloc %d bytes failed\n", len );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- memcpy( hdr.s, SCA_P_ASSERTED_IDENTITY_HDR_PREFIX,
|
|
|
- SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN );
|
|
|
- hdr.len = SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN;
|
|
|
+ memcpy(hdr.s, SCA_P_ASSERTED_IDENTITY_HDR_PREFIX,
|
|
|
+ SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN);
|
|
|
+ hdr.len = SCA_P_ASSERTED_IDENTITY_HDR_PREFIX_LEN;
|
|
|
|
|
|
- SCA_STR_APPEND( &hdr, display );
|
|
|
+ SCA_STR_APPEND(&hdr, display);
|
|
|
|
|
|
- *(hdr.s + hdr.len) = ' ';
|
|
|
- hdr.len++;
|
|
|
+ *(hdr.s + hdr.len) = ' ';
|
|
|
+ hdr.len++;
|
|
|
|
|
|
- *(hdr.s + hdr.len) = '<';
|
|
|
- hdr.len++;
|
|
|
+ *(hdr.s + hdr.len) = '<';
|
|
|
+ hdr.len++;
|
|
|
|
|
|
- SCA_STR_APPEND( &hdr, &aor );
|
|
|
+ SCA_STR_APPEND(&hdr, &aor);
|
|
|
|
|
|
- *(hdr.s + hdr.len) = '>';
|
|
|
- hdr.len++;
|
|
|
+ *(hdr.s + hdr.len) = '>';
|
|
|
+ hdr.len++;
|
|
|
|
|
|
- memcpy( hdr.s + hdr.len, CRLF, CRLF_LEN );
|
|
|
- hdr.len += CRLF_LEN;
|
|
|
+ memcpy(hdr.s + hdr.len, CRLF, CRLF_LEN);
|
|
|
+ hdr.len += CRLF_LEN;
|
|
|
|
|
|
- /* append the PAI header before the sdp body */
|
|
|
- if ( insert_new_lump_before( anchor, hdr.s, hdr.len, HDR_PAI_T ) == NULL ) {
|
|
|
- LM_ERR( "Failed to add PAI header %.*s", STR_FMT( &hdr ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
+ /* append the PAI header before the sdp body */
|
|
|
+ if (insert_new_lump_before(anchor, hdr.s, hdr.len, HDR_PAI_T) == NULL) {
|
|
|
+ LM_ERR( "Failed to add PAI header %.*s\n", STR_FMT( &hdr ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- rc = 1;
|
|
|
+ rc = 1;
|
|
|
|
|
|
-done:
|
|
|
- if ( aor.s != NULL ) {
|
|
|
- pkg_free( aor.s );
|
|
|
- }
|
|
|
- if ( rc < 0 && hdr.s != NULL ) {
|
|
|
- pkg_free( hdr.s );
|
|
|
- }
|
|
|
+ done: if (aor.s != NULL) {
|
|
|
+ pkg_free(aor.s);
|
|
|
+ }
|
|
|
+ if (rc < 0 && hdr.s != NULL) {
|
|
|
+ pkg_free(hdr.s);
|
|
|
+ }
|
|
|
|
|
|
- return( rc );
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_invite_reply_200_handler( sip_msg_t *msg,
|
|
|
- sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
- str *from_aor, str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- sca_appearance *app;
|
|
|
- sca_dialog dialog;
|
|
|
- sip_uri_t c_uri;
|
|
|
- char dlg_buf[ 1024 ];
|
|
|
- str app_uri_aor = STR_NULL;
|
|
|
- str state_str = STR_NULL;
|
|
|
- int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
- int slot_idx = -1;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLEE( call_info )) {
|
|
|
- rc = sca_call_info_uri_update( to_aor, call_info, from, to,
|
|
|
- contact_uri, &msg->callid->body );
|
|
|
- }
|
|
|
-
|
|
|
- if ( !SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) {
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_call_info_insert_asserted_identity( msg, &to->display,
|
|
|
- SCA_AOR_TYPE_UAS ) < 0 ) {
|
|
|
- LM_WARN( "sca_call_info_invite_reply_200_handler: failed to "
|
|
|
- "add P-Asserted-Identity header to response from %.*s",
|
|
|
- STR_FMT( contact_uri ));
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * XXX in a reply with no Call-Info header, we look for a matching
|
|
|
- * dialog for the From URI. if we don't find one, this isn't an SCA
|
|
|
- * call, and we're done processing.
|
|
|
- *
|
|
|
- * if there *is* a Call-Info header, we update the appearance state of
|
|
|
- * the index in the header for the To URI (appearance owned by the URI
|
|
|
- * in the Contact header). we still then need to check to see if the
|
|
|
- * From URI is an SCA line, and update state if it is.
|
|
|
- */
|
|
|
-
|
|
|
- slot_idx = sca_hash_table_index_for_key( sca->appearances, from_aor );
|
|
|
- sca_hash_table_lock_index( sca->appearances, slot_idx );
|
|
|
-
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, from_aor,
|
|
|
- &msg->callid->body, &from->tag_value, NULL, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- /* no SCA line is involved with this call */
|
|
|
- rc = 1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( !sca_appearance_is_held( app )) {
|
|
|
- state = SCA_APPEARANCE_STATE_ACTIVE;
|
|
|
- }
|
|
|
- /* if a Call-Info header is present, app-index goes to Contact */
|
|
|
-
|
|
|
- dialog.id.s = dlg_buf;
|
|
|
- if ( sca_dialog_build_from_tags( &dialog, sizeof( dlg_buf ),
|
|
|
- &msg->callid->body, &from->tag_value, &to->tag_value ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_handler: failed to build sca_dialog "
|
|
|
- "from tags" );
|
|
|
- rc = -1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( parse_uri( contact_uri->s, contact_uri->len, &c_uri ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_200_reply_handler: "
|
|
|
- "parse_uri <%.*s> failed", STR_FMT( contact_uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- if ( sca_create_canonical_aor( msg, &app_uri_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_invite_200_reply_handler: "
|
|
|
- "sca_create_canonical_aor failed" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_appearance_update_unsafe( app, state, &to->display, &app_uri_aor,
|
|
|
- &dialog, NULL, contact_uri ) < 0 ) {
|
|
|
- sca_appearance_state_to_str( state, &state_str );
|
|
|
- LM_ERR( "sca_call_info_invite_handler: failed to update appearance "
|
|
|
- "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
- "state %.*s", STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
- rc = -1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
+static int sca_call_info_invite_reply_200_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ sca_appearance *app;
|
|
|
+ sca_dialog dialog;
|
|
|
+ sip_uri_t c_uri;
|
|
|
+ char dlg_buf[1024];
|
|
|
+ str app_uri_aor = STR_NULL;
|
|
|
+ str state_str = STR_NULL;
|
|
|
+ int state = SCA_APPEARANCE_STATE_UNKNOWN;
|
|
|
+ int slot_idx = -1;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ if (SCA_CALL_INFO_IS_SHARED_CALLEE(call_info)) {
|
|
|
+ rc = sca_call_info_uri_update(to_aor, call_info, from, to, contact_uri,
|
|
|
+ &msg->callid->body);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!SCA_CALL_INFO_IS_SHARED_CALLER(call_info)) {
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_call_info_insert_asserted_identity(msg, &to->display,
|
|
|
+ SCA_AOR_TYPE_UAS) < 0) {
|
|
|
+ LM_WARN( "sca_call_info_invite_reply_200_handler: failed to "
|
|
|
+ "add P-Asserted-Identity header to response from %.*s\n",
|
|
|
+ STR_FMT( contact_uri ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * XXX in a reply with no Call-Info header, we look for a matching
|
|
|
+ * dialog for the From URI. if we don't find one, this isn't an SCA
|
|
|
+ * call, and we're done processing.
|
|
|
+ *
|
|
|
+ * if there *is* a Call-Info header, we update the appearance state of
|
|
|
+ * the index in the header for the To URI (appearance owned by the URI
|
|
|
+ * in the Contact header). we still then need to check to see if the
|
|
|
+ * From URI is an SCA line, and update state if it is.
|
|
|
+ */
|
|
|
|
|
|
- rc = 1;
|
|
|
+ slot_idx = sca_hash_table_index_for_key(sca->appearances, from_aor);
|
|
|
+ sca_hash_table_lock_index(sca->appearances, slot_idx);
|
|
|
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
- if ( app_uri_aor.s != NULL ) {
|
|
|
- pkg_free( app_uri_aor.s );
|
|
|
- }
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, from_aor, &msg->callid->body,
|
|
|
+ &from->tag_value, NULL, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ /* no SCA line is involved with this call */
|
|
|
+ rc = 1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- if ( rc == 1 ) {
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on "
|
|
|
- "200 OK reply to INVITE", STR_FMT( from_aor ));
|
|
|
- rc = -1;
|
|
|
+ if (!sca_appearance_is_held(app)) {
|
|
|
+ state = SCA_APPEARANCE_STATE_ACTIVE;
|
|
|
}
|
|
|
- }
|
|
|
+ /* if a Call-Info header is present, app-index goes to Contact */
|
|
|
|
|
|
- return( rc );
|
|
|
-}
|
|
|
+ dialog.id.s = dlg_buf;
|
|
|
+ if (sca_dialog_build_from_tags(&dialog, sizeof(dlg_buf), &msg->callid->body,
|
|
|
+ &from->tag_value, &to->tag_value) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_handler: failed to build sca_dialog "
|
|
|
+ "from tags\n" );
|
|
|
+ rc = -1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parse_uri(contact_uri->s, contact_uri->len, &c_uri) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_200_reply_handler: "
|
|
|
+ "parse_uri <%.*s> failed\n", STR_FMT( contact_uri ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ if (sca_create_canonical_aor(msg, &app_uri_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_invite_200_reply_handler: "
|
|
|
+ "sca_create_canonical_aor failed\n" );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_invite_reply_error_handler( sip_msg_t *msg,
|
|
|
- sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
- str *from_aor, str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- /*
|
|
|
- * XXX will need special handling here. must distinguish among the
|
|
|
- * following:
|
|
|
- * failed initial INVITE
|
|
|
- * failed reINVITE from caller retrieving from hold
|
|
|
- * failed INVITE retrieving remote UA from SCA hold
|
|
|
- *
|
|
|
- * for a start, we just deal with the first case.
|
|
|
- */
|
|
|
-
|
|
|
- sca_appearance *app;
|
|
|
-
|
|
|
- if ( msg->REPLY_STATUS == 487 ) {
|
|
|
- /* reply status for a CANCEL'd INVITE */
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_uri_is_shared_appearance( sca, from_aor )) {
|
|
|
- app = sca_appearance_unlink_by_tags( sca, from_aor,
|
|
|
- &msg->callid->body, &from->tag_value, NULL );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_invite_reply_error_handler: failed to "
|
|
|
- "look up dialog for failed INVITE %.*s from %.*s",
|
|
|
- STR_FMT( &to->uri ), STR_FMT( from_aor ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- sca_appearance_free( app );
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on "
|
|
|
- "failed INVITE", STR_FMT( from_aor ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return( 1 );
|
|
|
+ if (sca_appearance_update_unsafe(app, state, &to->display, &app_uri_aor,
|
|
|
+ &dialog, NULL, contact_uri) < 0) {
|
|
|
+ sca_appearance_state_to_str(state, &state_str);
|
|
|
+ LM_ERR( "sca_call_info_invite_handler: failed to update appearance "
|
|
|
+ "%.*s appearance-index %d with dialog id %.*s to "
|
|
|
+ "state %.*s\n", STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->dialog.id ), STR_FMT( &state_str ));
|
|
|
+ rc = -1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = 1;
|
|
|
+
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
+ if (app_uri_aor.s != NULL) {
|
|
|
+ pkg_free(app_uri_aor.s);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (rc == 1) {
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on "
|
|
|
+ "200 OK reply to INVITE\n", STR_FMT( from_aor ));
|
|
|
+ rc = -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- void
|
|
|
-sca_call_info_ack_from_handler( sip_msg_t *msg, str *from_aor, str *to_aor )
|
|
|
-{
|
|
|
- sca_appearance *app;
|
|
|
- struct to_body *from;
|
|
|
- struct to_body *to;
|
|
|
- int slot_idx = -1;
|
|
|
- int state = SCA_APPEARANCE_STATE_IDLE;
|
|
|
-
|
|
|
- if ( sca_get_msg_from_header( msg, &from ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: failed to get From-header" );
|
|
|
- return;
|
|
|
- }
|
|
|
- if ( sca_get_msg_to_header( msg, &to ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: failed to get To-header" );
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_uri_lock_if_shared_appearance( sca, from_aor, &slot_idx )) {
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, from_aor,
|
|
|
- &msg->callid->body, &from->tag_value, NULL, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: No appearance for %.*s matching "
|
|
|
- "call-id <%.*s> and from-tag <%.*s>", STR_FMT( from_aor ),
|
|
|
- STR_FMT( &msg->callid->body ), STR_FMT( &from->tag_value ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
+static int sca_call_info_invite_reply_error_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
/*
|
|
|
- * Polycom's music-on-hold implementation uses an INVITE with
|
|
|
- * an empty body to get the remote party's SDP info, then INVITEs
|
|
|
- * a pre-defined URI on a media server, using the remote party's
|
|
|
- * SDP as the INVITE body. the media server streams hold music to
|
|
|
- * the remote party.
|
|
|
+ * XXX will need special handling here. must distinguish among the
|
|
|
+ * following:
|
|
|
+ * failed initial INVITE
|
|
|
+ * failed reINVITE from caller retrieving from hold
|
|
|
+ * failed INVITE retrieving remote UA from SCA hold
|
|
|
*
|
|
|
- * because the INVITE that triggers the hold in this case doesn't
|
|
|
- * have an SDP body, our check for call hold in the INVITE returns
|
|
|
- * false. instead, the ACK from the party placing the call on hold
|
|
|
- * includes the sendonly SDP. detect that here, and send NOTIFYs
|
|
|
- * as necessary.
|
|
|
+ * for a start, we just deal with the first case.
|
|
|
*/
|
|
|
- if ( sca_call_is_held( msg )) {
|
|
|
- state = SCA_APPEARANCE_STATE_HELD;
|
|
|
- sca_appearance_update_state_unsafe( app, state );
|
|
|
|
|
|
- /* can't send NOTIFYs until we unlock the slot below */
|
|
|
+ sca_appearance *app;
|
|
|
+
|
|
|
+ if (msg->REPLY_STATUS == 487) {
|
|
|
+ /* reply status for a CANCEL'd INVITE */
|
|
|
+ return (1);
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
+ if (sca_uri_is_shared_appearance(sca, from_aor)) {
|
|
|
+ app = sca_appearance_unlink_by_tags(sca, from_aor, &msg->callid->body,
|
|
|
+ &from->tag_value, NULL);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_invite_reply_error_handler: failed to "
|
|
|
+ "look up dialog for failed INVITE %.*s from %.*s\n",
|
|
|
+ STR_FMT( &to->uri ), STR_FMT( from_aor ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ sca_appearance_free(app);
|
|
|
|
|
|
- if ( state != SCA_APPEARANCE_STATE_IDLE ) {
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on INVITE",
|
|
|
- STR_FMT( from_aor ));
|
|
|
- }
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on "
|
|
|
+ "failed INVITE\n", STR_FMT( from_aor ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
-}
|
|
|
|
|
|
-/* XXX needs extract routines */
|
|
|
- void
|
|
|
-sca_call_info_ack_cb( struct cell *t, int type, struct tmcb_params *params )
|
|
|
-{
|
|
|
- struct to_body *to;
|
|
|
- sca_appearance *app = NULL;
|
|
|
- str from_aor = STR_NULL;
|
|
|
- str to_aor = STR_NULL;
|
|
|
- int slot_idx = -1;
|
|
|
-
|
|
|
- if ( !(type & TMCB_E2EACK_IN)) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_create_canonical_aor( params->req, &from_aor ) < 0 ) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_to_header( params->req, &to ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: failed to get To-header" );
|
|
|
- goto done;
|
|
|
- }
|
|
|
- if ( sca_uri_extract_aor( &to->uri, &to_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: failed to extract To AoR from %.*s",
|
|
|
- STR_FMT( &to->uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- sca_call_info_ack_from_handler( params->req, &from_aor, &to_aor );
|
|
|
-
|
|
|
- if ( !sca_uri_lock_if_shared_appearance( sca, &to_aor, &slot_idx )) {
|
|
|
- LM_DBG( "sca_call_info_ack_cb: %.*s is not a shared appearance",
|
|
|
- STR_FMT( &to_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- /* on ACK, ensure SCA callee state is promoted to ACTIVE. */
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, &to_aor,
|
|
|
- ¶ms->req->callid->body, &to->tag_value, NULL, slot_idx );
|
|
|
- if ( app && app->state == SCA_APPEARANCE_STATE_ACTIVE_PENDING ) {
|
|
|
- LM_DBG( "promoting %.*s appearance-index %d to active",
|
|
|
- STR_FMT( &to_aor ), app->index );
|
|
|
- sca_appearance_update_state_unsafe( app, SCA_APPEARANCE_STATE_ACTIVE );
|
|
|
- }
|
|
|
-
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, &to_aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_ack_cb: failed to call-info "
|
|
|
- "NOTIFY %.*s subscribers", STR_FMT( &to_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
-done:
|
|
|
- if ( from_aor.s != NULL ) {
|
|
|
- pkg_free( from_aor.s );
|
|
|
- }
|
|
|
+ return (1);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_invite_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
- str *contact_uri )
|
|
|
-{
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- if ( SCA_STR_EMPTY( contact_uri )) {
|
|
|
- LM_DBG( "sca_call_info_invite_handler: Contact header is empty. "
|
|
|
- "(From: %.*s To: %.*s)", STR_FMT( from_aor ),
|
|
|
- STR_FMT( to_aor ));
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( msg->first_line.type == SIP_REQUEST ) {
|
|
|
- rc = sca_call_info_invite_request_handler( msg, call_info, from, to,
|
|
|
- from_aor, to_aor, contact_uri );
|
|
|
- } else {
|
|
|
- /* XXX replace with dispatch table. */
|
|
|
- switch ( msg->REPLY_STATUS ) {
|
|
|
- case 100:
|
|
|
- rc = 1;
|
|
|
- break;
|
|
|
+void sca_call_info_ack_from_handler(sip_msg_t *msg, str *from_aor, str *to_aor) {
|
|
|
+ sca_appearance *app;
|
|
|
+ struct to_body *from;
|
|
|
+ struct to_body *to;
|
|
|
+ int slot_idx = -1;
|
|
|
+ int state = SCA_APPEARANCE_STATE_IDLE;
|
|
|
|
|
|
- case 180:
|
|
|
- case 183:
|
|
|
- rc = sca_call_info_invite_reply_18x_handler( msg, call_info,
|
|
|
- from, to, from_aor, to_aor, contact_uri );
|
|
|
- break;
|
|
|
-
|
|
|
- case 200:
|
|
|
- rc = sca_call_info_invite_reply_200_handler( msg, call_info,
|
|
|
- from, to, from_aor, to_aor, contact_uri );
|
|
|
- break;
|
|
|
-
|
|
|
- case 300:
|
|
|
- case 301:
|
|
|
- case 302:
|
|
|
- /*
|
|
|
- * redirection (at least on Polycoms) does not cause caller to
|
|
|
- * release its seized appearance. pass it through.
|
|
|
- */
|
|
|
- rc = 1;
|
|
|
- break;
|
|
|
+ if (sca_get_msg_from_header(msg, &from) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: failed to get From-header\n" );
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (sca_get_msg_to_header(msg, &to) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: failed to get To-header\n" );
|
|
|
+ return;
|
|
|
+ }
|
|
|
|
|
|
- default:
|
|
|
- rc = sca_call_info_invite_reply_error_handler( msg, call_info,
|
|
|
- from, to, from_aor, to_aor, contact_uri );
|
|
|
- break;
|
|
|
+ if (sca_uri_lock_if_shared_appearance(sca, from_aor, &slot_idx)) {
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, from_aor, &msg->callid->body,
|
|
|
+ &from->tag_value, NULL, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: No appearance for %.*s matching "
|
|
|
+ "call-id <%.*s> and from-tag <%.*s>\n", STR_FMT( from_aor ),
|
|
|
+ STR_FMT( &msg->callid->body ), STR_FMT( &from->tag_value ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Polycom's music-on-hold implementation uses an INVITE with
|
|
|
+ * an empty body to get the remote party's SDP info, then INVITEs
|
|
|
+ * a pre-defined URI on a media server, using the remote party's
|
|
|
+ * SDP as the INVITE body. the media server streams hold music to
|
|
|
+ * the remote party.
|
|
|
+ *
|
|
|
+ * because the INVITE that triggers the hold in this case doesn't
|
|
|
+ * have an SDP body, our check for call hold in the INVITE returns
|
|
|
+ * false. instead, the ACK from the party placing the call on hold
|
|
|
+ * includes the sendonly SDP. detect that here, and send NOTIFYs
|
|
|
+ * as necessary.
|
|
|
+ */
|
|
|
+ if (sca_call_is_held(msg)) {
|
|
|
+ state = SCA_APPEARANCE_STATE_HELD;
|
|
|
+ sca_appearance_update_state_unsafe(app, state);
|
|
|
+
|
|
|
+ /* can't send NOTIFYs until we unlock the slot below */
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return( rc );
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+
|
|
|
+ if (state != SCA_APPEARANCE_STATE_IDLE) {
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on INVITE\n",
|
|
|
+ STR_FMT( from_aor ));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_bye_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
- str *contact_uri )
|
|
|
-{
|
|
|
- sca_appearance *app = NULL;
|
|
|
- int slot_idx = -1;
|
|
|
- int rc = -1;
|
|
|
-
|
|
|
- if ( msg->first_line.type == SIP_REQUEST ) {
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) {
|
|
|
- slot_idx = sca_uri_lock_shared_appearance( sca, from_aor );
|
|
|
- if ( slot_idx < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_bye_handler: failed to acquire "
|
|
|
- "lock for %.*s, appearance-index %.d",
|
|
|
- STR_FMT( from_aor ), call_info->index );
|
|
|
+/* XXX needs extract routines */
|
|
|
+void sca_call_info_ack_cb(struct cell *t, int type, struct tmcb_params *params) {
|
|
|
+ struct to_body *to;
|
|
|
+ sca_appearance *app = NULL;
|
|
|
+ str from_aor = STR_NULL;
|
|
|
+ str to_aor = STR_NULL;
|
|
|
+ int slot_idx = -1;
|
|
|
+
|
|
|
+ if (!(type & TMCB_E2EACK_IN)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_create_canonical_aor(params->req, &from_aor) < 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_to_header(params->req, &to) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: failed to get To-header\n" );
|
|
|
goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( call_info->index != SCA_CALL_INFO_APPEARANCE_INDEX_ANY ) {
|
|
|
- app = sca_appearance_for_index_unsafe( sca, from_aor,
|
|
|
- call_info->index, slot_idx );
|
|
|
- }
|
|
|
- if ( app == NULL ) {
|
|
|
- /* try to find it by tags */
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, from_aor,
|
|
|
- &msg->callid->body, &from->tag_value, NULL, slot_idx );
|
|
|
- }
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_ERR( "sca_call_info_bye_handler: %.*s "
|
|
|
- "dialog leg %.*s;%.*s is not active",
|
|
|
- STR_FMT( from_aor ),
|
|
|
- STR_FMT( &msg->callid->body ),
|
|
|
- STR_FMT( &from->tag_value ));
|
|
|
+ }
|
|
|
+ if (sca_uri_extract_aor(&to->uri, &to_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: failed to extract To AoR from %.*s\n",
|
|
|
+ STR_FMT( &to->uri ));
|
|
|
goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( SCA_STR_EQ( &app->dialog.call_id, &msg->callid->body )) {
|
|
|
- /* XXX yes, duplicated below, too */
|
|
|
- if ( !sca_appearance_list_unlink_appearance(
|
|
|
- app->appearance_list, &app )) {
|
|
|
- LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
- "%.*s appearance-index %d, owner %.*s",
|
|
|
- STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->owner ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- sca_appearance_free( app );
|
|
|
+ }
|
|
|
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- slot_idx = -1;
|
|
|
+ sca_call_info_ack_from_handler(params->req, &from_aor, &to_aor);
|
|
|
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
- "on BYE", STR_FMT( &to->uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- }
|
|
|
+ if (!sca_uri_lock_if_shared_appearance(sca, &to_aor, &slot_idx)) {
|
|
|
+ LM_DBG( "sca_call_info_ack_cb: %.*s is not a shared appearance\n",
|
|
|
+ STR_FMT( &to_aor ));
|
|
|
+ goto done;
|
|
|
}
|
|
|
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- slot_idx = -1;
|
|
|
+ /* on ACK, ensure SCA callee state is promoted to ACTIVE. */
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, &to_aor,
|
|
|
+ ¶ms->req->callid->body, &to->tag_value, NULL, slot_idx);
|
|
|
+ if (app && app->state == SCA_APPEARANCE_STATE_ACTIVE_PENDING) {
|
|
|
+ LM_DBG( "promoting %.*s appearance-index %d to active\n",
|
|
|
+ STR_FMT( &to_aor ), app->index );
|
|
|
+ sca_appearance_update_state_unsafe(app, SCA_APPEARANCE_STATE_ACTIVE);
|
|
|
}
|
|
|
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLEE( call_info )) {
|
|
|
- if ( !sca_uri_lock_if_shared_appearance( sca, to_aor, &slot_idx )) {
|
|
|
- LM_DBG( "BYE from non-SCA %.*s to non-SCA %.*s",
|
|
|
- STR_FMT( from_aor ), STR_FMT( to_aor ));
|
|
|
- rc = 1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, to_aor,
|
|
|
- &msg->callid->body, &to->tag_value,
|
|
|
- NULL, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_INFO( "sca_call_info_bye_handler: no in-use callee "
|
|
|
- "appearance for BYE %.*s from %.*s, call-ID %.*s",
|
|
|
- STR_FMT( to_aor ), STR_FMT( from_aor ),
|
|
|
- STR_FMT( &msg->callid->body ));
|
|
|
- rc = 1;
|
|
|
+ if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, &to_aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_ack_cb: failed to call-info "
|
|
|
+ "NOTIFY %.*s subscribers\n", STR_FMT( &to_aor ));
|
|
|
goto done;
|
|
|
- }
|
|
|
-
|
|
|
- if ( SCA_STR_EQ( &app->dialog.call_id, &msg->callid->body )) {
|
|
|
- if ( !sca_appearance_list_unlink_appearance(
|
|
|
- app->appearance_list, &app )) {
|
|
|
- LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
- "%.*s appearance-index %d, owner %.*s",
|
|
|
- STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->owner ));
|
|
|
- goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ done: if (from_aor.s != NULL) {
|
|
|
+ pkg_free(from_aor.s);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int sca_call_info_invite_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ if (SCA_STR_EMPTY(contact_uri)) {
|
|
|
+ LM_DBG( "sca_call_info_invite_handler: Contact header is empty. "
|
|
|
+ "(From: %.*s To: %.*s)\n", STR_FMT( from_aor ),
|
|
|
+ STR_FMT( to_aor ));
|
|
|
+ return (1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (msg->first_line.type == SIP_REQUEST) {
|
|
|
+ rc = sca_call_info_invite_request_handler(msg, call_info, from, to,
|
|
|
+ from_aor, to_aor, contact_uri);
|
|
|
+ } else {
|
|
|
+ /* XXX replace with dispatch table. */
|
|
|
+ switch (msg->REPLY_STATUS) {
|
|
|
+ case 100:
|
|
|
+ rc = 1;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 180:
|
|
|
+ case 183:
|
|
|
+ rc = sca_call_info_invite_reply_18x_handler(msg, call_info, from,
|
|
|
+ to, from_aor, to_aor, contact_uri);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 200:
|
|
|
+ rc = sca_call_info_invite_reply_200_handler(msg, call_info, from,
|
|
|
+ to, from_aor, to_aor, contact_uri);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 300:
|
|
|
+ case 301:
|
|
|
+ case 302:
|
|
|
+ /*
|
|
|
+ * redirection (at least on Polycoms) does not cause caller to
|
|
|
+ * release its seized appearance. pass it through.
|
|
|
+ */
|
|
|
+ rc = 1;
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ rc = sca_call_info_invite_reply_error_handler(msg, call_info, from,
|
|
|
+ to, from_aor, to_aor, contact_uri);
|
|
|
+ break;
|
|
|
}
|
|
|
- sca_appearance_free( app );
|
|
|
+ }
|
|
|
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- slot_idx = -1;
|
|
|
+ return (rc);
|
|
|
+}
|
|
|
|
|
|
- if ( sca_notify_call_info_subscribers( sca, to_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
- "on BYE", STR_FMT( to_aor ));
|
|
|
- goto done;
|
|
|
+static int sca_call_info_bye_handler(sip_msg_t *msg, sca_call_info *call_info,
|
|
|
+ struct to_body *from, struct to_body *to, str *from_aor, str *to_aor,
|
|
|
+ str *contact_uri) {
|
|
|
+ sca_appearance *app = NULL;
|
|
|
+ int slot_idx = -1;
|
|
|
+ int rc = -1;
|
|
|
+
|
|
|
+ if (msg->first_line.type == SIP_REQUEST) {
|
|
|
+ if (SCA_CALL_INFO_IS_SHARED_CALLER(call_info)) {
|
|
|
+ slot_idx = sca_uri_lock_shared_appearance(sca, from_aor);
|
|
|
+ if (slot_idx < 0) {
|
|
|
+ LM_ERR( "sca_call_info_bye_handler: failed to acquire "
|
|
|
+ "lock for %.*s, appearance-index %.d\n",
|
|
|
+ STR_FMT( from_aor ), call_info->index );
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (call_info->index != SCA_CALL_INFO_APPEARANCE_INDEX_ANY) {
|
|
|
+ app = sca_appearance_for_index_unsafe(sca, from_aor,
|
|
|
+ call_info->index, slot_idx);
|
|
|
+ }
|
|
|
+ if (app == NULL) {
|
|
|
+ /* try to find it by tags */
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, from_aor,
|
|
|
+ &msg->callid->body, &from->tag_value, NULL, slot_idx);
|
|
|
+ }
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_ERR( "sca_call_info_bye_handler: %.*s "
|
|
|
+ "dialog leg %.*s;%.*s is not active\n",
|
|
|
+ STR_FMT( from_aor ),
|
|
|
+ STR_FMT( &msg->callid->body ),
|
|
|
+ STR_FMT( &from->tag_value ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SCA_STR_EQ(&app->dialog.call_id, &msg->callid->body)) {
|
|
|
+ /* XXX yes, duplicated below, too */
|
|
|
+ if (!sca_appearance_list_unlink_appearance(app->appearance_list,
|
|
|
+ &app)) {
|
|
|
+ LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
+ "%.*s appearance-index %d, owner %.*s\n",
|
|
|
+ STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->owner ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ sca_appearance_free(app);
|
|
|
+
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ slot_idx = -1;
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
+ "on BYE\n", STR_FMT( &to->uri ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
- }
|
|
|
- } else {
|
|
|
- /* this is just a backup to catch anything missed on the BYE request */
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLEE( call_info )) {
|
|
|
- slot_idx = sca_hash_table_index_for_key( sca->appearances, to_aor );
|
|
|
- sca_hash_table_lock_index( sca->appearances, slot_idx );
|
|
|
-
|
|
|
- app = sca_appearance_for_index_unsafe( sca, to_aor,
|
|
|
- call_info->index, slot_idx );
|
|
|
- if ( app == NULL ) {
|
|
|
- app = sca_appearance_for_tags_unsafe( sca, to_aor,
|
|
|
- &msg->callid->body, &to->tag_value,
|
|
|
- NULL, slot_idx );
|
|
|
- }
|
|
|
- if ( app == NULL ) {
|
|
|
- LM_DBG( "sca_call_info_bye_handler: no appearance found "
|
|
|
- "for callee %.*s, call-ID %.*s",
|
|
|
- STR_FMT( to_aor ), STR_FMT( &msg->callid->body ));
|
|
|
- rc = 1;
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- LM_INFO( "sca_call_info_bye_handler: found in-use call appearance "
|
|
|
- "for callee %.*s, call-ID %.*s",
|
|
|
- STR_FMT( to_aor ), STR_FMT( &msg->callid->body ));
|
|
|
-
|
|
|
- if ( SCA_STR_EQ( &app->dialog.call_id, &msg->callid->body )) {
|
|
|
- if ( !sca_appearance_list_unlink_appearance(
|
|
|
- app->appearance_list, &app )) {
|
|
|
- LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
- "%.*s appearance-index %d, owner %.*s",
|
|
|
- STR_FMT( &app->owner ), app->index,
|
|
|
- STR_FMT( &app->owner ));
|
|
|
- goto done;
|
|
|
+
|
|
|
+ if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ slot_idx = -1;
|
|
|
}
|
|
|
- sca_appearance_free( app );
|
|
|
-
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- slot_idx = -1;
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, to_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
- "on BYE", STR_FMT( to_aor ));
|
|
|
- goto done;
|
|
|
+
|
|
|
+ if (SCA_CALL_INFO_IS_SHARED_CALLEE(call_info)) {
|
|
|
+ if (!sca_uri_lock_if_shared_appearance(sca, to_aor, &slot_idx)) {
|
|
|
+ LM_DBG( "BYE from non-SCA %.*s to non-SCA %.*s\n",
|
|
|
+ STR_FMT( from_aor ), STR_FMT( to_aor ));
|
|
|
+ rc = 1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, to_aor,
|
|
|
+ &msg->callid->body, &to->tag_value,
|
|
|
+ NULL, slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_INFO( "sca_call_info_bye_handler: no in-use callee "
|
|
|
+ "appearance for BYE %.*s from %.*s, call-ID %.*s\n",
|
|
|
+ STR_FMT( to_aor ), STR_FMT( from_aor ),
|
|
|
+ STR_FMT( &msg->callid->body ));
|
|
|
+ rc = 1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (SCA_STR_EQ(&app->dialog.call_id, &msg->callid->body)) {
|
|
|
+ if (!sca_appearance_list_unlink_appearance(app->appearance_list,
|
|
|
+ &app)) {
|
|
|
+ LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
+ "%.*s appearance-index %d, owner %.*s\n",
|
|
|
+ STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->owner ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ sca_appearance_free(app);
|
|
|
+
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ slot_idx = -1;
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, to_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
+ "on BYE\n", STR_FMT( to_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ /* this is just a backup to catch anything missed on the BYE request */
|
|
|
+ if (SCA_CALL_INFO_IS_SHARED_CALLEE(call_info)) {
|
|
|
+ slot_idx = sca_hash_table_index_for_key(sca->appearances, to_aor);
|
|
|
+ sca_hash_table_lock_index(sca->appearances, slot_idx);
|
|
|
+
|
|
|
+ app = sca_appearance_for_index_unsafe(sca, to_aor, call_info->index,
|
|
|
+ slot_idx);
|
|
|
+ if (app == NULL) {
|
|
|
+ app = sca_appearance_for_tags_unsafe(sca, to_aor,
|
|
|
+ &msg->callid->body, &to->tag_value,
|
|
|
+ NULL, slot_idx);
|
|
|
+ }
|
|
|
+ if (app == NULL) {
|
|
|
+ LM_DBG( "sca_call_info_bye_handler: no appearance found "
|
|
|
+ "for callee %.*s, call-ID %.*s\n",
|
|
|
+ STR_FMT( to_aor ), STR_FMT( &msg->callid->body ));
|
|
|
+ rc = 1;
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ LM_INFO( "sca_call_info_bye_handler: found in-use call appearance "
|
|
|
+ "for callee %.*s, call-ID %.*s\n",
|
|
|
+ STR_FMT( to_aor ), STR_FMT( &msg->callid->body ));
|
|
|
+
|
|
|
+ if (SCA_STR_EQ(&app->dialog.call_id, &msg->callid->body)) {
|
|
|
+ if (!sca_appearance_list_unlink_appearance(app->appearance_list,
|
|
|
+ &app)) {
|
|
|
+ LM_ERR( "sca_call_info_bye_handler: failed to unlink "
|
|
|
+ "%.*s appearance-index %d, owner %.*s\n",
|
|
|
+ STR_FMT( &app->owner ), app->index,
|
|
|
+ STR_FMT( &app->owner ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ sca_appearance_free(app);
|
|
|
+
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ slot_idx = -1;
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, to_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers "
|
|
|
+ "on BYE\n", STR_FMT( to_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- rc = 1;
|
|
|
+ rc = 1;
|
|
|
|
|
|
-done:
|
|
|
- if ( slot_idx >= 0 ) {
|
|
|
- sca_hash_table_unlock_index( sca->appearances, slot_idx );
|
|
|
- }
|
|
|
+ done: if (slot_idx >= 0) {
|
|
|
+ sca_hash_table_unlock_index(sca->appearances, slot_idx);
|
|
|
+ }
|
|
|
|
|
|
- return( rc );
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- static int
|
|
|
-sca_call_info_cancel_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to,
|
|
|
- str *from_aor, str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- sca_appearance *app;
|
|
|
- int rc = 1;
|
|
|
-
|
|
|
- if ( msg->first_line.type != SIP_REQUEST ) {
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * Polycom SCA CANCELs as of sip.ld 3.3.4 don't include Call-Info headers;
|
|
|
- * find appearance by dialog if Call-Info not present.
|
|
|
- */
|
|
|
- /* XXX also handle CANCEL w/ Call-Info header? Some UAs might send it */
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLER( call_info )) {
|
|
|
- app = sca_appearance_unlink_by_tags( sca, from_aor,
|
|
|
- &msg->callid->body, &from->tag_value, NULL );
|
|
|
- if ( app ) {
|
|
|
- sca_appearance_free( app );
|
|
|
-
|
|
|
- if ( sca_notify_call_info_subscribers( sca, from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on CANCEL",
|
|
|
- STR_FMT( from_aor ));
|
|
|
- rc = -1;
|
|
|
- }
|
|
|
+static int sca_call_info_cancel_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ sca_appearance *app;
|
|
|
+ int rc = 1;
|
|
|
+
|
|
|
+ if (msg->first_line.type != SIP_REQUEST) {
|
|
|
+ return (1);
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- if ( !SCA_STR_EMPTY( &to->tag_value ) &&
|
|
|
- sca_uri_is_shared_appearance( sca, to_aor )) {
|
|
|
- app = sca_appearance_unlink_by_tags( sca, to_aor,
|
|
|
- &msg->callid->body, &to->tag_value, NULL );
|
|
|
- if ( app ) {
|
|
|
- sca_appearance_free( app );
|
|
|
+ /*
|
|
|
+ * Polycom SCA CANCELs as of sip.ld 3.3.4 don't include Call-Info headers;
|
|
|
+ * find appearance by dialog if Call-Info not present.
|
|
|
+ */
|
|
|
+ /* XXX also handle CANCEL w/ Call-Info header? Some UAs might send it */
|
|
|
+ if (SCA_CALL_INFO_IS_SHARED_CALLER(call_info)) {
|
|
|
+ app = sca_appearance_unlink_by_tags(sca, from_aor, &msg->callid->body,
|
|
|
+ &from->tag_value, NULL);
|
|
|
+ if (app) {
|
|
|
+ sca_appearance_free(app);
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on CANCEL\n",
|
|
|
+ STR_FMT( from_aor ));
|
|
|
+ rc = -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
|
|
|
- if ( sca_notify_call_info_subscribers( sca, to_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on CANCEL",
|
|
|
- STR_FMT( to_aor ));
|
|
|
- rc = -1;
|
|
|
- }
|
|
|
+ if (!SCA_STR_EMPTY(&to->tag_value)
|
|
|
+ && sca_uri_is_shared_appearance(sca, to_aor)) {
|
|
|
+ app = sca_appearance_unlink_by_tags(sca, to_aor, &msg->callid->body,
|
|
|
+ &to->tag_value, NULL);
|
|
|
+ if (app) {
|
|
|
+ sca_appearance_free(app);
|
|
|
+
|
|
|
+ if (sca_notify_call_info_subscribers(sca, to_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to call-info NOTIFY %.*s subscribers on CANCEL\n",
|
|
|
+ STR_FMT( to_aor ));
|
|
|
+ rc = -1;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return( rc );
|
|
|
+ return (rc);
|
|
|
}
|
|
|
|
|
|
- void
|
|
|
-sca_call_info_sl_reply_cb( void *cb_arg )
|
|
|
-{
|
|
|
- sl_cbp_t *slcbp = (sl_cbp_t *)cb_arg;
|
|
|
- sip_msg_t *msg;
|
|
|
- struct to_body *from;
|
|
|
- struct to_body *to;
|
|
|
- str aor = STR_NULL;
|
|
|
- str contact_uri = STR_NULL;
|
|
|
-
|
|
|
- if ( slcbp == NULL ) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( slcbp->type != SLCB_REPLY_READY ) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- /* for now, it appears we only need this during INVITEs... */
|
|
|
- if ( slcbp->req->REQ_METHOD != METHOD_INVITE ) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- /* ...and even then only on error */
|
|
|
- if ( slcbp->code < 400 || slcbp->code == 401 || slcbp->code == 407 ) {
|
|
|
- /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring stateless reply with "
|
|
|
- "status %d %.*s", slcbp->code, STR_FMT( slcbp->reason )); */
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- msg = slcbp->req;
|
|
|
- if ( sca_get_msg_from_header( msg, &from ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get From header from "
|
|
|
- "request before stateless reply with %d %.*s",
|
|
|
- slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
- return;
|
|
|
- }
|
|
|
- if ( sca_uri_extract_aor( &from->uri, &aor ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to extract AoR "
|
|
|
- "from URI %.*s", STR_FMT( &from->uri ));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( !sca_uri_is_shared_appearance( sca, &aor )) {
|
|
|
- /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring non-shared appearance "
|
|
|
- "%.*s", STR_FMT( &aor )); */
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_contact_uri( msg, &contact_uri ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get Contact from "
|
|
|
- "request before stateless reply with %d %.*s",
|
|
|
- slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_to_header( msg, &to ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to get To header from "
|
|
|
- "request before stateless reply with %d %.*s",
|
|
|
- slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_subscription_terminate( sca, &aor,
|
|
|
- SCA_EVENT_TYPE_LINE_SEIZE, &contact_uri,
|
|
|
- SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
- SCA_SUBSCRIPTION_TERMINATE_OPT_DEFAULT ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_sl_reply_cb: failed to terminate "
|
|
|
- "line-seize subscription for %.*s", STR_FMT( &contact_uri ));
|
|
|
- return;
|
|
|
- }
|
|
|
-}
|
|
|
+void sca_call_info_sl_reply_cb(void *cb_arg) {
|
|
|
+ sl_cbp_t *slcbp = (sl_cbp_t *) cb_arg;
|
|
|
+ sip_msg_t *msg;
|
|
|
+ struct to_body *from;
|
|
|
+ struct to_body *to;
|
|
|
+ str aor = STR_NULL;
|
|
|
+ str contact_uri = STR_NULL;
|
|
|
+
|
|
|
+ if (slcbp == NULL) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (slcbp->type != SLCB_REPLY_READY) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* for now, it appears we only need this during INVITEs... */
|
|
|
+ if (slcbp->req->REQ_METHOD != METHOD_INVITE) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* ...and even then only on error */
|
|
|
+ if (slcbp->code < 400 || slcbp->code == 401 || slcbp->code == 407) {
|
|
|
+ /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring stateless reply with "
|
|
|
+ "status %d %.*s\n", slcbp->code, STR_FMT( slcbp->reason )); */
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ msg = slcbp->req;
|
|
|
+ if (sca_get_msg_from_header(msg, &from) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get From header from "
|
|
|
+ "request before stateless reply with %d %.*s\n",
|
|
|
+ slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (sca_uri_extract_aor(&from->uri, &aor) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to extract AoR "
|
|
|
+ "from URI %.*s\n", STR_FMT( &from->uri ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
|
|
|
- static inline int
|
|
|
-sca_call_info_prack_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor,
|
|
|
- str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- return( 1 );
|
|
|
+ if (!sca_uri_is_shared_appearance(sca, &aor)) {
|
|
|
+ /* LM_DBG( "sca_call_info_sl_reply_cb: ignoring non-shared appearance "
|
|
|
+ "%.*s\n", STR_FMT( &aor )); */
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_contact_uri(msg, &contact_uri) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get Contact from "
|
|
|
+ "request before stateless reply with %d %.*s\n",
|
|
|
+ slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_to_header(msg, &to) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to get To header from "
|
|
|
+ "request before stateless reply with %d %.*s\n",
|
|
|
+ slcbp->code, STR_FMT( slcbp->reason ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_subscription_terminate(sca, &aor, SCA_EVENT_TYPE_LINE_SEIZE,
|
|
|
+ &contact_uri, SCA_SUBSCRIPTION_STATE_TERMINATED_NORESOURCE,
|
|
|
+ SCA_SUBSCRIPTION_TERMINATE_OPT_DEFAULT) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_sl_reply_cb: failed to terminate "
|
|
|
+ "line-seize subscription for %.*s\n", STR_FMT( &contact_uri ));
|
|
|
+ return;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
- static inline int
|
|
|
-sca_call_info_refer_handler( sip_msg_t *msg, sca_call_info *call_info,
|
|
|
- struct to_body *from, struct to_body *to, str *from_aor,
|
|
|
- str *to_aor, str *contact_uri )
|
|
|
-{
|
|
|
- return( 1 );
|
|
|
+static inline int sca_call_info_prack_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ return (1);
|
|
|
}
|
|
|
|
|
|
+static inline int sca_call_info_refer_handler(sip_msg_t *msg,
|
|
|
+ sca_call_info *call_info, struct to_body *from, struct to_body *to,
|
|
|
+ str *from_aor, str *to_aor, str *contact_uri) {
|
|
|
+ return (1);
|
|
|
+}
|
|
|
|
|
|
struct sca_call_info_dispatch {
|
|
|
- int method;
|
|
|
- int (*handler)( sip_msg_t *, sca_call_info *,
|
|
|
- struct to_body *, struct to_body *,
|
|
|
- str *, str *, str * );
|
|
|
-};
|
|
|
-struct sca_call_info_dispatch call_info_dispatch[] = {
|
|
|
- { METHOD_BYE, sca_call_info_bye_handler },
|
|
|
- { METHOD_CANCEL, sca_call_info_cancel_handler },
|
|
|
- { METHOD_INVITE, sca_call_info_invite_handler },
|
|
|
- { METHOD_PRACK, sca_call_info_prack_handler },
|
|
|
- { METHOD_REFER, sca_call_info_refer_handler },
|
|
|
+ int method;
|
|
|
+ int (*handler)(sip_msg_t *, sca_call_info *, struct to_body *,
|
|
|
+ struct to_body *, str *, str *, str *);
|
|
|
};
|
|
|
+struct sca_call_info_dispatch call_info_dispatch[] = { { METHOD_BYE,
|
|
|
+ sca_call_info_bye_handler }, { METHOD_CANCEL,
|
|
|
+ sca_call_info_cancel_handler }, { METHOD_INVITE,
|
|
|
+ sca_call_info_invite_handler }, { METHOD_PRACK,
|
|
|
+ sca_call_info_prack_handler }, { METHOD_REFER,
|
|
|
+ sca_call_info_refer_handler }, };
|
|
|
|
|
|
#define SCA_CALL_INFO_UPDATE_FLAG_DEFAULT 0
|
|
|
#define SCA_CALL_INFO_UPDATE_FLAG_FROM_ALLOC (1 << 0)
|
|
|
#define SCA_CALL_INFO_UPDATE_FLAG_TO_ALLOC (1 << 1)
|
|
|
- int
|
|
|
-sca_call_info_update( sip_msg_t *msg, char *p1, char *p2 )
|
|
|
-{
|
|
|
- sca_call_info call_info;
|
|
|
- hdr_field_t *call_info_hdr;
|
|
|
- struct to_body *from;
|
|
|
- struct to_body *to;
|
|
|
- sip_uri_t c_uri;
|
|
|
- str from_aor = STR_NULL;
|
|
|
- str to_aor = STR_NULL;
|
|
|
- str contact_uri = STR_NULL;
|
|
|
- int aor_flags = SCA_CALL_INFO_UPDATE_FLAG_DEFAULT;
|
|
|
- int n_dispatch;
|
|
|
- int i;
|
|
|
- int method;
|
|
|
- int rc = -1;
|
|
|
- int update_mask = SCA_CALL_INFO_SHARED_BOTH;
|
|
|
-
|
|
|
- method = sca_get_msg_method( msg );
|
|
|
-
|
|
|
- n_dispatch = sizeof( call_info_dispatch ) / sizeof( call_info_dispatch[0] );
|
|
|
- for ( i = 0; i < n_dispatch; i++ ) {
|
|
|
- if ( method == call_info_dispatch[ i ].method ) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- if ( i >= n_dispatch ) {
|
|
|
- LM_DBG( "BUG: sca module does not support Call-Info headers "
|
|
|
- "in %.*s requests", STR_FMT( &get_cseq( msg )->method ));
|
|
|
- return( 1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( parse_headers( msg, HDR_EOH_F, 0 ) < 0 ) {
|
|
|
- LM_ERR( "header parsing failed: bad request" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( p1 != NULL ) {
|
|
|
- if ( get_int_fparam( &update_mask, msg, (fparam_t *)p1 ) < 0 ) {
|
|
|
- LM_ERR( "sca_call_info_update: argument 1: bad value "
|
|
|
- "(integer expected)" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- switch ( update_mask ) {
|
|
|
- case SCA_CALL_INFO_SHARED_NONE:
|
|
|
- update_mask = SCA_CALL_INFO_SHARED_BOTH;
|
|
|
- break;
|
|
|
-
|
|
|
- case SCA_CALL_INFO_SHARED_CALLER:
|
|
|
- case SCA_CALL_INFO_SHARED_CALLEE:
|
|
|
- break;
|
|
|
+int sca_call_info_update(sip_msg_t *msg, char *p1, char *p2) {
|
|
|
+ sca_call_info call_info;
|
|
|
+ hdr_field_t *call_info_hdr;
|
|
|
+ struct to_body *from;
|
|
|
+ struct to_body *to;
|
|
|
+ sip_uri_t c_uri;
|
|
|
+ str from_aor = STR_NULL;
|
|
|
+ str to_aor = STR_NULL;
|
|
|
+ str contact_uri = STR_NULL;
|
|
|
+ int aor_flags = SCA_CALL_INFO_UPDATE_FLAG_DEFAULT;
|
|
|
+ int n_dispatch;
|
|
|
+ int i;
|
|
|
+ int method;
|
|
|
+ int rc = -1;
|
|
|
+ int update_mask = SCA_CALL_INFO_SHARED_BOTH;
|
|
|
+
|
|
|
+ method = sca_get_msg_method(msg);
|
|
|
+
|
|
|
+ n_dispatch = sizeof(call_info_dispatch) / sizeof(call_info_dispatch[0]);
|
|
|
+ for (i = 0; i < n_dispatch; i++) {
|
|
|
+ if (method == call_info_dispatch[i].method) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (i >= n_dispatch) {
|
|
|
+ LM_DBG( "BUG: sca module does not support Call-Info headers "
|
|
|
+ "in %.*s requests\n", STR_FMT( &get_cseq( msg )->method ));
|
|
|
+ return (1);
|
|
|
+ }
|
|
|
|
|
|
- default:
|
|
|
- LM_ERR( "sca_call_info_update: argument 1: invalid value "
|
|
|
- "(0, 1 or 2 expected)" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- memset( &call_info, 0, sizeof( sca_call_info ));
|
|
|
- call_info_hdr = sca_call_info_header_find( msg->headers );
|
|
|
- if ( !SCA_HEADER_EMPTY( call_info_hdr )) {
|
|
|
- /* this needs to accomodate comma-separated appearance info */
|
|
|
- if ( sca_call_info_body_parse( &call_info_hdr->body, &call_info ) < 0) {
|
|
|
- LM_ERR( "Bad Call-Info header body: %.*s",
|
|
|
- STR_FMT( &call_info_hdr->body ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_get_msg_from_header( msg, &from ) < 0 ) {
|
|
|
- LM_ERR( "Bad From header" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- if ( sca_get_msg_to_header( msg, &to ) < 0 ) {
|
|
|
- LM_ERR( "Bad To header" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- memset( &c_uri, 0, sizeof( sip_uri_t ));
|
|
|
- rc = sca_get_msg_contact_uri( msg, &contact_uri );
|
|
|
- if ( rc > 0 ) {
|
|
|
- /* Contact header in packet */
|
|
|
- if ( parse_uri( contact_uri.s, contact_uri.len, &c_uri ) < 0 ) {
|
|
|
- LM_ERR( "Failed to parse Contact URI %.*s",
|
|
|
- STR_FMT( &contact_uri ));
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- } else if ( rc < 0 ) {
|
|
|
- LM_ERR( "Bad Contact" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- /* reset rc to -1 so we don't end up returning 0 to the script */
|
|
|
- rc = -1;
|
|
|
-
|
|
|
- /* reconcile mismatched Contact users and To/From URIs */
|
|
|
- if ( msg->first_line.type == SIP_REQUEST ) {
|
|
|
- if ( sca_create_canonical_aor( msg, &from_aor ) < 0 ) {
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- aor_flags |= SCA_CALL_INFO_UPDATE_FLAG_FROM_ALLOC;
|
|
|
-
|
|
|
- if ( sca_uri_extract_aor( &to->uri, &to_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to extract AoR from To URI %.*s",
|
|
|
- STR_FMT( &to->uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- } else {
|
|
|
- if ( sca_uri_extract_aor( &from->uri, &from_aor ) < 0 ) {
|
|
|
- LM_ERR( "Failed to extract AoR from From URI %.*s",
|
|
|
- STR_FMT( &from->uri ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
- if ( sca_create_canonical_aor( msg, &to_aor ) < 0 ) {
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
- aor_flags |= SCA_CALL_INFO_UPDATE_FLAG_TO_ALLOC;
|
|
|
- }
|
|
|
-
|
|
|
- /* early check to see if we're dealing with any SCA endpoints */
|
|
|
- if ( sca_uri_is_shared_appearance( sca, &from_aor )) {
|
|
|
- if (( update_mask & SCA_CALL_INFO_SHARED_CALLER )) {
|
|
|
- call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLER;
|
|
|
- }
|
|
|
- }
|
|
|
- if ( sca_uri_is_shared_appearance( sca, &to_aor )) {
|
|
|
- if (( update_mask & SCA_CALL_INFO_SHARED_CALLEE )) {
|
|
|
- call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLEE;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if ( call_info_hdr == NULL ) {
|
|
|
- if ( SCA_CALL_INFO_IS_SHARED_CALLER( &call_info ) &&
|
|
|
- msg->first_line.type == SIP_REQUEST ) {
|
|
|
- if ( !sca_subscription_aor_has_subscribers(
|
|
|
- SCA_EVENT_TYPE_CALL_INFO, &from_aor )) {
|
|
|
- call_info.ua_shared &= ~SCA_CALL_INFO_SHARED_CALLER;
|
|
|
- sca_appearance_unregister( sca, &from_aor );
|
|
|
- }
|
|
|
- } else if ( SCA_CALL_INFO_IS_SHARED_CALLEE( &call_info ) &&
|
|
|
- msg->first_line.type == SIP_REPLY ) {
|
|
|
- if ( !sca_subscription_aor_has_subscribers(
|
|
|
- SCA_EVENT_TYPE_CALL_INFO, &to_aor )) {
|
|
|
- call_info.ua_shared &= ~SCA_CALL_INFO_SHARED_CALLEE;
|
|
|
- sca_appearance_unregister( sca, &to_aor );
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if ( sca_call_info_header_remove( msg ) < 0 ) {
|
|
|
- LM_ERR( "Failed to remove Call-Info header" );
|
|
|
- return( -1 );
|
|
|
- }
|
|
|
-
|
|
|
- if ( call_info.ua_shared == SCA_CALL_INFO_SHARED_NONE ) {
|
|
|
- LM_DBG( "Neither %.*s nor %.*s are SCA AoRs",
|
|
|
- STR_FMT( &from_aor ), STR_FMT( &to_aor ));
|
|
|
- goto done;
|
|
|
- }
|
|
|
-
|
|
|
- rc = call_info_dispatch[ i ].handler( msg, &call_info, from, to,
|
|
|
- &from_aor, &to_aor, &contact_uri );
|
|
|
- if ( rc < 0 ) {
|
|
|
- LM_ERR( "Failed to update Call-Info state for %.*s",
|
|
|
- STR_FMT( &contact_uri ));
|
|
|
- }
|
|
|
-
|
|
|
-done:
|
|
|
- if (( aor_flags & SCA_CALL_INFO_UPDATE_FLAG_FROM_ALLOC )) {
|
|
|
- if ( from_aor.s != NULL ) {
|
|
|
- pkg_free( from_aor.s );
|
|
|
- }
|
|
|
- }
|
|
|
- if (( aor_flags & SCA_CALL_INFO_UPDATE_FLAG_TO_ALLOC )) {
|
|
|
- if ( to_aor.s != NULL ) {
|
|
|
- pkg_free( to_aor.s );
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return( rc );
|
|
|
+ if (parse_headers(msg, HDR_EOH_F, 0) < 0) {
|
|
|
+ LM_ERR( "header parsing failed: bad request\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (p1 != NULL) {
|
|
|
+ if (get_int_fparam(&update_mask, msg, (fparam_t *) p1) < 0) {
|
|
|
+ LM_ERR( "sca_call_info_update: argument 1: bad value "
|
|
|
+ "(integer expected)\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (update_mask) {
|
|
|
+ case SCA_CALL_INFO_SHARED_NONE:
|
|
|
+ update_mask = SCA_CALL_INFO_SHARED_BOTH;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case SCA_CALL_INFO_SHARED_CALLER:
|
|
|
+ case SCA_CALL_INFO_SHARED_CALLEE:
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ LM_ERR( "sca_call_info_update: argument 1: invalid value "
|
|
|
+ "(0, 1 or 2 expected)\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ memset(&call_info, 0, sizeof(sca_call_info));
|
|
|
+ call_info_hdr = sca_call_info_header_find(msg->headers);
|
|
|
+ if (!SCA_HEADER_EMPTY(call_info_hdr)) {
|
|
|
+ /* this needs to accomodate comma-separated appearance info */
|
|
|
+ if (sca_call_info_body_parse(&call_info_hdr->body, &call_info) < 0) {
|
|
|
+ LM_ERR( "Bad Call-Info header body: %.*s\n",
|
|
|
+ STR_FMT( &call_info_hdr->body ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_get_msg_from_header(msg, &from) < 0) {
|
|
|
+ LM_ERR( "Bad From header\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ if (sca_get_msg_to_header(msg, &to) < 0) {
|
|
|
+ LM_ERR( "Bad To header\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ memset(&c_uri, 0, sizeof(sip_uri_t));
|
|
|
+ rc = sca_get_msg_contact_uri(msg, &contact_uri);
|
|
|
+ if (rc > 0) {
|
|
|
+ /* Contact header in packet */
|
|
|
+ if (parse_uri(contact_uri.s, contact_uri.len, &c_uri) < 0) {
|
|
|
+ LM_ERR( "Failed to parse Contact URI %.*s\n",
|
|
|
+ STR_FMT( &contact_uri ));
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ } else if (rc < 0) {
|
|
|
+ LM_ERR( "Bad Contact\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ /* reset rc to -1 so we don't end up returning 0 to the script */
|
|
|
+ rc = -1;
|
|
|
+
|
|
|
+ /* reconcile mismatched Contact users and To/From URIs */
|
|
|
+ if (msg->first_line.type == SIP_REQUEST) {
|
|
|
+ if (sca_create_canonical_aor(msg, &from_aor) < 0) {
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ aor_flags |= SCA_CALL_INFO_UPDATE_FLAG_FROM_ALLOC;
|
|
|
+
|
|
|
+ if (sca_uri_extract_aor(&to->uri, &to_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to extract AoR from To URI %.*s\n",
|
|
|
+ STR_FMT( &to->uri ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (sca_uri_extract_aor(&from->uri, &from_aor) < 0) {
|
|
|
+ LM_ERR( "Failed to extract AoR from From URI %.*s\n",
|
|
|
+ STR_FMT( &from->uri ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+ if (sca_create_canonical_aor(msg, &to_aor) < 0) {
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+ aor_flags |= SCA_CALL_INFO_UPDATE_FLAG_TO_ALLOC;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* early check to see if we're dealing with any SCA endpoints */
|
|
|
+ if (sca_uri_is_shared_appearance(sca, &from_aor)) {
|
|
|
+ if ((update_mask & SCA_CALL_INFO_SHARED_CALLER)) {
|
|
|
+ call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLER;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (sca_uri_is_shared_appearance(sca, &to_aor)) {
|
|
|
+ if ((update_mask & SCA_CALL_INFO_SHARED_CALLEE)) {
|
|
|
+ call_info.ua_shared |= SCA_CALL_INFO_SHARED_CALLEE;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (call_info_hdr == NULL) {
|
|
|
+ if ( SCA_CALL_INFO_IS_SHARED_CALLER(&call_info) &&
|
|
|
+ msg->first_line.type == SIP_REQUEST) {
|
|
|
+ if (!sca_subscription_aor_has_subscribers(SCA_EVENT_TYPE_CALL_INFO,
|
|
|
+ &from_aor)) {
|
|
|
+ call_info.ua_shared &= ~SCA_CALL_INFO_SHARED_CALLER;
|
|
|
+ sca_appearance_unregister(sca, &from_aor);
|
|
|
+ }
|
|
|
+ } else if ( SCA_CALL_INFO_IS_SHARED_CALLEE(&call_info) &&
|
|
|
+ msg->first_line.type == SIP_REPLY) {
|
|
|
+ if (!sca_subscription_aor_has_subscribers(SCA_EVENT_TYPE_CALL_INFO,
|
|
|
+ &to_aor)) {
|
|
|
+ call_info.ua_shared &= ~SCA_CALL_INFO_SHARED_CALLEE;
|
|
|
+ sca_appearance_unregister(sca, &to_aor);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sca_call_info_header_remove(msg) < 0) {
|
|
|
+ LM_ERR( "Failed to remove Call-Info header\n" );
|
|
|
+ return (-1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (call_info.ua_shared == SCA_CALL_INFO_SHARED_NONE) {
|
|
|
+ LM_DBG( "Neither %.*s nor %.*s are SCA AoRs\n",
|
|
|
+ STR_FMT( &from_aor ), STR_FMT( &to_aor ));
|
|
|
+ goto done;
|
|
|
+ }
|
|
|
+
|
|
|
+ rc = call_info_dispatch[i].handler(msg, &call_info, from, to, &from_aor,
|
|
|
+ &to_aor, &contact_uri);
|
|
|
+ if (rc < 0) {
|
|
|
+ LM_ERR( "Failed to update Call-Info state for %.*s\n",
|
|
|
+ STR_FMT( &contact_uri ));
|
|
|
+ }
|
|
|
+
|
|
|
+ done: if ((aor_flags & SCA_CALL_INFO_UPDATE_FLAG_FROM_ALLOC)) {
|
|
|
+ if (from_aor.s != NULL) {
|
|
|
+ pkg_free(from_aor.s);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ((aor_flags & SCA_CALL_INFO_UPDATE_FLAG_TO_ALLOC)) {
|
|
|
+ if (to_aor.s != NULL) {
|
|
|
+ pkg_free(to_aor.s);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return (rc);
|
|
|
}
|
Kevin Scott Adams