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libnm: cleanup constructing GVariants for IP addresses

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This commit is contained in:
Thomas Haller
2020-10-29 12:00:30 +01:00
parent 11fc851741
commit b2780ffa72
1 changed files with 44 additions and 34 deletions
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78
libnm-core/nm-utils.c
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@@ -1425,16 +1425,23 @@ nm_utils_ip4_addresses_to_variant(GPtrArray *addresses, const char *gateway)
for (i = 0; i < addresses->len; i++) {
NMIPAddress *addr = addresses->pdata[i];
guint32 array[3];
in_addr_t gw;
if (nm_ip_address_get_family(addr) != AF_INET)
continue;
gw = 0u;
if (gateway) {
in_addr_t a;
if (inet_pton(AF_INET, gateway, &a) == 1)
gw = a;
gateway = NULL;
}
nm_ip_address_get_address_binary(addr, &array[0]);
array[1] = nm_ip_address_get_prefix(addr);
if (i == 0 && gateway)
inet_pton(AF_INET, gateway, &array[2]);
else
array[2] = 0;
array[2] = gw;
g_variant_builder_add(
&builder,
@@ -1656,6 +1663,8 @@ nm_utils_ip4_get_default_prefix(guint32 ip)
* Utility function to convert an array of IP address strings int a #GVariant of
* type 'aay' representing an array of IPv6 addresses.
*
* If a string cannot be parsed, it will be silently ignored.
*
* Returns: (transfer none): a new floating #GVariant representing @dns.
**/
GVariant *
@@ -1665,19 +1674,15 @@ nm_utils_ip6_dns_to_variant(char **dns)
gsize i;
g_variant_builder_init(&builder, G_VARIANT_TYPE("aay"));
if (dns) {
for (i = 0; dns[i]; i++) {
struct in6_addr ip;
inet_pton(AF_INET6, dns[i], &ip);
g_variant_builder_add(
&builder,
"@ay",
g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, &ip, sizeof(ip), 1));
if (inet_pton(AF_INET6, dns[i], &ip) != 1)
continue;
g_variant_builder_add(&builder, "@ay", nm_g_variant_new_ay_in6addr(&ip));
}
}
return g_variant_builder_end(&builder);
}
@@ -1744,26 +1749,28 @@ nm_utils_ip6_addresses_to_variant(GPtrArray *addresses, const char *gateway)
if (addresses) {
for (i = 0; i < addresses->len; i++) {
NMIPAddress * addr = addresses->pdata[i];
struct in6_addr ip_bytes, gateway_bytes;
GVariant * ip_var, *gateway_var;
guint32 prefix;
NMIPAddress * addr = addresses->pdata[i];
struct in6_addr address_bin;
struct in6_addr gateway_bin_data;
const struct in6_addr *gateway_bin;
if (nm_ip_address_get_family(addr) != AF_INET6)
continue;
nm_ip_address_get_address_binary(addr, &ip_bytes);
ip_var = g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, &ip_bytes, 16, 1);
nm_ip_address_get_address_binary(addr, &address_bin);
prefix = nm_ip_address_get_prefix(addr);
gateway_bin = &in6addr_any;
if (gateway) {
if (inet_pton(AF_INET6, gateway, &gateway_bin_data) == 1)
gateway_bin = &gateway_bin_data;
gateway = NULL;
}
if (i == 0 && gateway)
inet_pton(AF_INET6, gateway, &gateway_bytes);
else
memset(&gateway_bytes, 0, sizeof(gateway_bytes));
gateway_var = g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, &gateway_bytes, 16, 1);
g_variant_builder_add(&builder, "(@ayu@ay)", ip_var, prefix, gateway_var);
g_variant_builder_add(&builder,
"(@ayu@ay)",
nm_g_variant_new_ay_in6addr(&address_bin),
(guint32) nm_ip_address_get_prefix(addr),
nm_g_variant_new_ay_in6addr(gateway_bin));
}
}
@@ -1868,22 +1875,25 @@ nm_utils_ip6_routes_to_variant(GPtrArray *routes)
if (routes) {
for (i = 0; i < routes->len; i++) {
NMIPRoute * route = routes->pdata[i];
struct in6_addr dest_bytes, next_hop_bytes;
GVariant * dest, *next_hop;
guint32 prefix, metric;
struct in6_addr dest_bytes;
struct in6_addr next_hop_bytes;
guint32 metric;
if (nm_ip_route_get_family(route) != AF_INET6)
continue;
nm_ip_route_get_dest_binary(route, &dest_bytes);
dest = g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, &dest_bytes, 16, 1);
prefix = nm_ip_route_get_prefix(route);
nm_ip_route_get_next_hop_binary(route, &next_hop_bytes);
next_hop = g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, &next_hop_bytes, 16, 1);
/* The old routes format uses "0" for default, not "-1" */
metric = MAX(0, nm_ip_route_get_metric(route));
g_variant_builder_add(&builder, "(@ayu@ayu)", dest, prefix, next_hop, metric);
/* The old routes format uses "0" for default, not "-1" */
metric = NM_MAX(0, nm_ip_route_get_metric(route));
g_variant_builder_add(&builder,
"(@ayu@ayu)",
nm_g_variant_new_ay_in6addr(&dest_bytes),
(guint32) nm_ip_route_get_prefix(route),
nm_g_variant_new_ay_in6addr(&next_hop_bytes),
metric);
}
}