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Remove the return value of node_get_prim_orport() and node_get_prim_dirport()

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This commit is contained in:
Neel Chauhan 2018-02-06 08:13:55 -05:00 committed by Nick Mathewson
parent 200fc8c640
commit c2fa743806
4 changed files with 23 additions and 19 deletions
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6
changes/ticket23873 Normal file
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@ -0,0 +1,6 @@
o Code simplification and refactoring:
- We remove the return value of node_get_prim_orport() and
node_get_prim_dirport(), and introduce node_get_prim_orport()
in node_ipv6_or_preferred() and node_ipv6_dir_preferred() in
order to check for a null address. Closes ticket 23873. Patch
by Neel Chauhan.

6
src/or/circuitbuild.c
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@ -2866,8 +2866,10 @@ extend_info_from_node(const node_t *node, int for_direct_connect)
valid_addr = fascist_firewall_choose_address_node(node,
FIREWALL_OR_CONNECTION,
0, &ap);
else
valid_addr = !node_get_prim_orport(node, &ap);
else {
node_get_prim_orport(node, &ap);
valid_addr = tor_addr_port_is_valid_ap(&ap, 0);
}
if (valid_addr)
log_debug(LD_CIRC, "using %s for %s",

26
src/or/nodelist.c
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@ -1456,9 +1456,11 @@ node_ipv6_or_preferred(const node_t *node)
/* XX/teor - node->ipv6_preferred is set from
* fascist_firewall_prefer_ipv6_orport() each time the consensus is loaded.
*/
node_get_prim_orport(node, &ipv4_addr);
if (!fascist_firewall_use_ipv6(options)) {
return 0;
} else if (node->ipv6_preferred || node_get_prim_orport(node, &ipv4_addr)) {
} else if (node->ipv6_preferred ||
!tor_addr_port_is_valid_ap(&ipv4_addr, 0)) {
return node_has_ipv6_orport(node);
}
return 0;
@ -1469,14 +1471,12 @@ node_ipv6_or_preferred(const node_t *node)
if (r && tor_addr_port_is_valid_ipv4h((r)->addr, (r)->port_field, 0)) { \
tor_addr_from_ipv4h(&(ap_out)->addr, (r)->addr); \
(ap_out)->port = (r)->port_field; \
return 0; \
} \
STMT_END
/** Copy the primary (IPv4) OR port (IP address and TCP port) for
* <b>node</b> into *<b>ap_out</b>. Return 0 if a valid address and
* port was copied, else return non-zero.*/
int
/** Copy the primary (IPv4) OR port (IP address and TCP port) for <b>node</b>
* into *<b>ap_out</b>. */
void
node_get_prim_orport(const node_t *node, tor_addr_port_t *ap_out)
{
node_assert_ok(node);
@ -1493,8 +1493,6 @@ node_get_prim_orport(const node_t *node, tor_addr_port_t *ap_out)
RETURN_IPV4_AP(node->ri, or_port, ap_out);
RETURN_IPV4_AP(node->rs, or_port, ap_out);
/* Microdescriptors only have an IPv6 address */
return -1;
}
/** Copy the preferred OR port (IP address and TCP port) for
@ -1566,19 +1564,19 @@ node_ipv6_dir_preferred(const node_t *node)
* so we can't use it to determine DirPort IPv6 preference.
* This means that bridge clients will use IPv4 DirPorts by default.
*/
node_get_prim_dirport(node, &ipv4_addr);
if (!fascist_firewall_use_ipv6(options)) {
return 0;
} else if (node_get_prim_dirport(node, &ipv4_addr)
} else if (!tor_addr_port_is_valid_ap(&ipv4_addr, 0)
|| fascist_firewall_prefer_ipv6_dirport(get_options())) {
return node_has_ipv6_dirport(node);
}
return 0;
}
/** Copy the primary (IPv4) Dir port (IP address and TCP port) for
* <b>node</b> into *<b>ap_out</b>. Return 0 if a valid address and
* port was copied, else return non-zero.*/
int
/** Copy the primary (IPv4) Dir port (IP address and TCP port) for <b>node</b>
* into *<b>ap_out</b>. */
void
node_get_prim_dirport(const node_t *node, tor_addr_port_t *ap_out)
{
node_assert_ok(node);
@ -1590,8 +1588,6 @@ node_get_prim_dirport(const node_t *node, tor_addr_port_t *ap_out)
RETURN_IPV4_AP(node->ri, dir_port, ap_out);
RETURN_IPV4_AP(node->rs, dir_port, ap_out);
/* Microdescriptors only have an IPv6 address */
return -1;
}
#undef RETURN_IPV4_AP

4
src/or/nodelist.h
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@ -77,11 +77,11 @@ int node_has_ipv6_dirport(const node_t *node);
/* Deprecated - use node_ipv6_or_preferred or node_ipv6_dir_preferred */
#define node_ipv6_preferred(node) node_ipv6_or_preferred(node)
int node_ipv6_or_preferred(const node_t *node);
int node_get_prim_orport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_prim_orport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_pref_orport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_pref_ipv6_orport(const node_t *node, tor_addr_port_t *ap_out);
int node_ipv6_dir_preferred(const node_t *node);
int node_get_prim_dirport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_prim_dirport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_pref_dirport(const node_t *node, tor_addr_port_t *ap_out);
void node_get_pref_ipv6_dirport(const node_t *node, tor_addr_port_t *ap_out);
int node_has_curve25519_onion_key(const node_t *node);