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Move ext_orport identifier map into ext_orport.c

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There's no need to move the declarations: those were already in
ext_orport.h.

This shrinks connection_or.c a little.
This commit is contained in:
Nick Mathewson 2020-02-18 13:10:57 -05:00
parent 8ce15933e5
commit 1f958b6020
2 changed files with 69 additions and 69 deletions
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69
src/core/or/connection_or.c
View File

@ -109,10 +109,6 @@ TO_OR_CONN(connection_t *c)
return DOWNCAST(or_connection_t, c);
}
/** Global map between Extended ORPort identifiers and OR
* connections. */
static digestmap_t *orconn_ext_or_id_map = NULL;
/** Clear clear conn->identity_digest and update other data
* structures as appropriate.*/
void
@ -198,71 +194,6 @@ connection_or_set_identity_digest(or_connection_t *conn,
channel_set_identity_digest(chan, rsa_digest, ed_id);
}
/** Remove the Extended ORPort identifier of <b>conn</b> from the
* global identifier list. Also, clear the identifier from the
* connection itself. */
void
connection_or_remove_from_ext_or_id_map(or_connection_t *conn)
{
or_connection_t *tmp;
if (!orconn_ext_or_id_map)
return;
if (!conn->ext_or_conn_id)
return;
tmp = digestmap_remove(orconn_ext_or_id_map, conn->ext_or_conn_id);
if (!tor_digest_is_zero(conn->ext_or_conn_id))
tor_assert(tmp == conn);
memset(conn->ext_or_conn_id, 0, EXT_OR_CONN_ID_LEN);
}
/** Return the connection whose ext_or_id is <b>id</b>. Return NULL if no such
* connection is found. */
or_connection_t *
connection_or_get_by_ext_or_id(const char *id)
{
if (!orconn_ext_or_id_map)
return NULL;
return digestmap_get(orconn_ext_or_id_map, id);
}
/** Deallocate the global Extended ORPort identifier list */
void
connection_or_clear_ext_or_id_map(void)
{
digestmap_free(orconn_ext_or_id_map, NULL);
orconn_ext_or_id_map = NULL;
}
/** Creates an Extended ORPort identifier for <b>conn</b> and deposits
* it into the global list of identifiers. */
void
connection_or_set_ext_or_identifier(or_connection_t *conn)
{
char random_id[EXT_OR_CONN_ID_LEN];
or_connection_t *tmp;
if (!orconn_ext_or_id_map)
orconn_ext_or_id_map = digestmap_new();
/* Remove any previous identifiers: */
if (conn->ext_or_conn_id && !tor_digest_is_zero(conn->ext_or_conn_id))
connection_or_remove_from_ext_or_id_map(conn);
do {
crypto_rand(random_id, sizeof(random_id));
} while (digestmap_get(orconn_ext_or_id_map, random_id));
if (!conn->ext_or_conn_id)
conn->ext_or_conn_id = tor_malloc_zero(EXT_OR_CONN_ID_LEN);
memcpy(conn->ext_or_conn_id, random_id, EXT_OR_CONN_ID_LEN);
tmp = digestmap_set(orconn_ext_or_id_map, random_id, conn);
tor_assert(!tmp);
}
/**************************************************************/
/** Map from a string describing what a non-open OR connection was doing when

69
src/feature/relay/ext_orport.c
View File

@ -652,6 +652,75 @@ connection_ext_or_start_auth(or_connection_t *or_conn)
return 0;
}
/** Global map between Extended ORPort identifiers and OR
* connections. */
static digestmap_t *orconn_ext_or_id_map = NULL;
/** Remove the Extended ORPort identifier of <b>conn</b> from the
* global identifier list. Also, clear the identifier from the
* connection itself. */
void
connection_or_remove_from_ext_or_id_map(or_connection_t *conn)
{
or_connection_t *tmp;
if (!orconn_ext_or_id_map)
return;
if (!conn->ext_or_conn_id)
return;
tmp = digestmap_remove(orconn_ext_or_id_map, conn->ext_or_conn_id);
if (!tor_digest_is_zero(conn->ext_or_conn_id))
tor_assert(tmp == conn);
memset(conn->ext_or_conn_id, 0, EXT_OR_CONN_ID_LEN);
}
/** Return the connection whose ext_or_id is <b>id</b>. Return NULL if no such
* connection is found. */
or_connection_t *
connection_or_get_by_ext_or_id(const char *id)
{
if (!orconn_ext_or_id_map)
return NULL;
return digestmap_get(orconn_ext_or_id_map, id);
}
/** Deallocate the global Extended ORPort identifier list */
void
connection_or_clear_ext_or_id_map(void)
{
digestmap_free(orconn_ext_or_id_map, NULL);
orconn_ext_or_id_map = NULL;
}
/** Creates an Extended ORPort identifier for <b>conn</b> and deposits
* it into the global list of identifiers. */
void
connection_or_set_ext_or_identifier(or_connection_t *conn)
{
char random_id[EXT_OR_CONN_ID_LEN];
or_connection_t *tmp;
if (!orconn_ext_or_id_map)
orconn_ext_or_id_map = digestmap_new();
/* Remove any previous identifiers: */
if (conn->ext_or_conn_id && !tor_digest_is_zero(conn->ext_or_conn_id))
connection_or_remove_from_ext_or_id_map(conn);
do {
crypto_rand(random_id, sizeof(random_id));
} while (digestmap_get(orconn_ext_or_id_map, random_id));
if (!conn->ext_or_conn_id)
conn->ext_or_conn_id = tor_malloc_zero(EXT_OR_CONN_ID_LEN);
memcpy(conn->ext_or_conn_id, random_id, EXT_OR_CONN_ID_LEN);
tmp = digestmap_set(orconn_ext_or_id_map, random_id, conn);
tor_assert(!tmp);
}
/** Free any leftover allocated memory of the ext_orport.c subsystem. */
void
ext_orport_free_all(void)