Commit d72af108 authored by teor (Tim Wilson-Brown)'s avatar teor (Tim Wilson-Brown)
Browse files

Prop210: Add router_digest_is_fallback_dir 

router_digest_is_fallback_dir returns 1 if the digest is in the
currently loaded list of fallback directories, and 0 otherwise.

This function is for future use.
parent 2212530b

src/or/routerlist.c

+17 −1
Original line number Diff line number Diff line
@@ -1362,7 +1362,9 @@ router_get_trusteddirserver_by_digest(const char *digest) 
}



/** Return the dir_server_t for the fallback dirserver whose identity

 * key hashes to <b>digest</b>, or NULL if no such authority is known.

 * key hashes to <b>digest</b>, or NULL if no such fallback is in the list of

 * fallback_dir_servers. (fallback_dir_servers is affected by the FallbackDir

 * and UseDefaultFallbackDirs torrc options.)

 */

dir_server_t *

router_get_fallback_dirserver_by_digest(const char *digest)
@@ -1370,6 +1372,9 @@ router_get_fallback_dirserver_by_digest(const char *digest) 
  if (!fallback_dir_servers)

    return NULL;



  if (!digest)

    return NULL;



  SMARTLIST_FOREACH(fallback_dir_servers, dir_server_t *, ds,

     {

       if (tor_memeq(ds->digest, digest, DIGEST_LEN))
@@ -1379,6 +1384,17 @@ router_get_fallback_dirserver_by_digest(const char *digest) 
  return NULL;

}



/** Return 1 if any fallback dirserver's identity key hashes to <b>digest</b>,

 * or 0 if no such fallback is in the list of fallback_dir_servers.

 * (fallback_dir_servers is affected by the FallbackDir and

 * UseDefaultFallbackDirs torrc options.)

 */

int

router_digest_is_fallback_dir(const char *digest)

{

  return (router_get_fallback_dirserver_by_digest(digest) != NULL);

}



/** Return the dir_server_t for the directory authority whose

 * v3 identity key hashes to <b>digest</b>, or NULL if no such authority

 * is known.

src/or/routerlist.h

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ const routerstatus_t *router_pick_directory_server(dirinfo_type_t type, 
dir_server_t *router_get_trusteddirserver_by_digest(const char *d);

dir_server_t *router_get_fallback_dirserver_by_digest(

                                                   const char *digest);

int router_digest_is_fallback_dir(const char *digest);

dir_server_t *trusteddirserver_get_by_v3_auth_digest(const char *d);

const routerstatus_t *router_pick_trusteddirserver(dirinfo_type_t type,

                                                   int flags);