contact: add access-parameter

- basic access-control for incoming calls, originally based on a patch
  from Doug Blewett (thanks!)
- each contact-entry can optionally have a ;access={block,allow}
  parameter.
- add a hash-table for all contacts for fast lookup

1 files changed, 4 insertions, 0 deletions

diff --git a/include/baresip.h b/include/baresip.h
index 25e1f24..ac1c6eb 100644
--- a/include/baresip.h
+++ b/include/baresip.h
@@ -214,9 +214,13 @@ enum presence_status {
 
 struct contact;
 
+int  contact_init(void);
+void contact_close(void);
 int  contact_add(struct contact **contactp, const struct pl *addr);
 int  contacts_print(struct re_printf *pf, void *unused);
 void contact_set_presence(struct contact *c, enum presence_status status);
+bool contact_block_access(const char *uri);
+struct contact  *contact_find(const char *uri);
 struct sip_addr *contact_addr(const struct contact *c);
 struct list     *contact_list(void);
 const char      *contact_str(const struct contact *c);