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Change signature of router_compare_to_my_exit_policy so dns can use it

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Also, fix the function so it actually looks at our ipv6 exit policy.
This commit is contained in:
Nick Mathewson 2012-11-05 13:11:53 -05:00
parent 25cf286fb1
commit a58e17bcc3
3 changed files with 22 additions and 9 deletions
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3
src/or/connection_edge.c
View File

@ -2493,7 +2493,8 @@ connection_exit_connect(edge_connection_t *edge_conn)
int socket_error = 0;
if ( (!connection_edge_is_rendezvous_stream(edge_conn) &&
router_compare_to_my_exit_policy(edge_conn)) ||
router_compare_to_my_exit_policy(&edge_conn->base_.addr,
edge_conn->base_.port)) ||
(tor_addr_family(&conn->addr) == AF_INET6 &&
! get_options()->IPv6Exit)) {
log_info(LD_EXIT,"%s:%d failed exit policy. Closing.",

26
src/or/router.c
View File

@ -1370,22 +1370,34 @@ router_upload_dir_desc_to_dirservers(int force)
* conn. Return 0 if we accept; non-0 if we reject.
*/
int
router_compare_to_my_exit_policy(edge_connection_t *conn)
router_compare_to_my_exit_policy(const tor_addr_t *addr, uint16_t port)
{
if (!router_get_my_routerinfo()) /* make sure desc_routerinfo exists */
return -1;
/* make sure it's resolved to something. this way we can't get a
'maybe' below. */
if (tor_addr_is_null(&conn->base_.addr))
if (tor_addr_is_null(addr))
return -1;
if (tor_addr_family(&conn->base_.addr) != AF_INET &&
tor_addr_family(&conn->base_.addr) != AF_INET6)
/* look at desc_routerinfo->exit_policy for both the v4 and the v6
* policies. The exit_policy field in desc_routerinfo is a bit unusual,
* in that it contains IPv6 and IPv6 entries. We don't want to look
* at desc_routerinfio->ipv6_exit_policy, since that's a port summary. */
if ((tor_addr_family(addr) == AF_INET ||
tor_addr_family(addr) == AF_INET6)) {
return compare_tor_addr_to_addr_policy(addr, port,
desc_routerinfo->exit_policy) != ADDR_POLICY_ACCEPTED;
#if 0
} else if (tor_addr_family(addr) == AF_INET6) {
return get_options()->IPv6Exit &&
desc_routerinfo->ipv6_exit_policy &&
compare_tor_addr_to_short_policy(addr, port,
desc_routerinfo->ipv6_exit_policy) != ADDR_POLICY_ACCEPTED;
#endif
} else {
return -1;
return compare_tor_addr_to_addr_policy(&conn->base_.addr, conn->base_.port,
desc_routerinfo->exit_policy) != ADDR_POLICY_ACCEPTED;
}
}
/** Return true iff my exit policy is reject *:*. Return -1 if we don't

2
src/or/router.h
View File

@ -72,7 +72,7 @@ void check_descriptor_bandwidth_changed(time_t now);
void check_descriptor_ipaddress_changed(time_t now);
void router_new_address_suggestion(const char *suggestion,
const dir_connection_t *d_conn);
int router_compare_to_my_exit_policy(edge_connection_t *conn);
int router_compare_to_my_exit_policy(const tor_addr_t *addr, uint16_t port);
int router_my_exit_policy_is_reject_star(void);
const routerinfo_t *router_get_my_routerinfo(void);
extrainfo_t *router_get_my_extrainfo(void);