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Initialize ap in the fascist_firewall_choose_address_* family of functions to 0

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This commit is contained in:
Neel Chauhan 2018-04-09 21:12:33 -04:00 committed by Nick Mathewson
parent cb0af6157c
commit ddb2b965de
1 changed files with 20 additions and 2 deletions
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22
src/or/policies.c
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@ -845,6 +845,9 @@ fascist_firewall_choose_address_base(const tor_addr_t *ipv4_addr,
tor_assert(ipv6_addr);
tor_assert(ap);
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
tor_addr_port_t ipv4_ap;
tor_addr_copy(&ipv4_ap.addr, ipv4_addr);
ipv4_ap.port = (fw_connection == FIREWALL_OR_CONNECTION
@ -867,8 +870,6 @@ fascist_firewall_choose_address_base(const tor_addr_t *ipv4_addr,
ap->port = result->port;
return 1;
} else {
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
return 0;
}
}
@ -889,6 +890,11 @@ fascist_firewall_choose_address_ipv4h(uint32_t ipv4h_addr,
{
tor_addr_t ipv4_addr;
tor_addr_from_ipv4h(&ipv4_addr, ipv4h_addr);
tor_assert(ap);
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
return fascist_firewall_choose_address_base(&ipv4_addr, ipv4_orport,
ipv4_dirport, ipv6_addr,
ipv6_orport, ipv6_dirport,
@ -955,6 +961,9 @@ fascist_firewall_choose_address_rs(const routerstatus_t *rs,
tor_assert(ap);
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
const or_options_t *options = get_options();
const node_t *node = node_get_by_id(rs->identity_digest);
@ -996,6 +1005,10 @@ fascist_firewall_choose_address_node(const node_t *node,
}
node_assert_ok(node);
tor_assert(ap);
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
/* Calling fascist_firewall_choose_address_node() when the node is missing
* IPv6 information breaks IPv6-only clients.
@ -1047,6 +1060,11 @@ fascist_firewall_choose_address_dir_server(const dir_server_t *ds,
return 0;
}
tor_assert(ap);
tor_addr_make_null(&ap->addr, AF_UNSPEC);
ap->port = 0;
/* A dir_server_t always has a fake_status. As long as it has the same
* addresses/ports in both fake_status and dir_server_t, this works fine.
* (See #17867.)