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Unverified Commit 9d4bf22d by Christian Brauner
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network: implement network getters

Signed-off-by: 's avatarChristian Brauner <christian.brauner@ubuntu.com>
parent 6bed0fb6
Showing with 508 additions and 156 deletions
src/lxc/confile.c
......@@ -197,74 +197,104 @@ static int clr_config_hooks(const char *, struct lxc_conf *, void *);
static int set_config_network_type(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_type(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_type(const char *, struct lxc_conf *, void *);
static int set_config_network_flags(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_flags(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_flags(const char *, struct lxc_conf *, void *);
static int set_config_network_link(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_link(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_link(const char *, struct lxc_conf *, void *);
static int set_config_network_name(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_name(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_name(const char *, struct lxc_conf *, void *);
static int set_config_network_veth_pair(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_veth_pair(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_veth_pair(const char *, struct lxc_conf *,
void *);
static int set_config_network_macvlan_mode(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_macvlan_mode(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_macvlan_mode(const char *, struct lxc_conf *,
void *);
static int set_config_network_hwaddr(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_hwaddr(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_hwaddr(const char *, struct lxc_conf *, void *);
static int set_config_network_vlan_id(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_vlan_id(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_vlan_id(const char *, struct lxc_conf *, void *);
static int set_config_network_mtu(const char *, const char *, struct lxc_conf *,
void *);
static int get_config_network_mtu(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_mtu(const char *, struct lxc_conf *, void *);
static int set_config_network_ipv4(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_ipv4(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_ipv4(const char *, struct lxc_conf *, void *);
static int set_config_network_ipv4_gateway(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_ipv4_gateway(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_ipv4_gateway(const char *, struct lxc_conf *,
void *);
static int set_config_network_script_up(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_script_up(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_script_up(const char *, struct lxc_conf *,
void *);
static int set_config_network_script_down(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_script_down(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_script_down(const char *, struct lxc_conf *,
void *);
static int set_config_network_ipv6(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_ipv6(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_ipv6(const char *, struct lxc_conf *, void *);
static int set_config_network_ipv6_gateway(const char *, const char *,
struct lxc_conf *, void *);
static int get_config_network_ipv6_gateway(const char *, char *, int,
struct lxc_conf *, void *);
static int clr_config_network_ipv6_gateway(const char *, struct lxc_conf *,
void *);
static int set_config_network_nic(const char *, const char *, struct lxc_conf *,
void *);
static int get_config_network_item(const char *, char *, int, struct lxc_conf *,
void *);
static int get_config_network_nic(const char *, char *, int, struct lxc_conf *,
void *);
static int clr_config_network_nic(const char *, struct lxc_conf *, void *);
static int set_config_network(const char *, const char *, struct lxc_conf *,
......@@ -431,22 +461,22 @@ static struct lxc_config_t config[] = {
{ "lxc.hook.clone", set_config_hooks, get_config_hooks, clr_config_hooks, },
{ "lxc.hook.destroy", set_config_hooks, get_config_hooks, clr_config_hooks, },
{ "lxc.hook", set_config_hooks, get_config_hooks, clr_config_hooks, },
{ "lxc.network.type", set_config_network_type, get_config_network_item, clr_config_network_type, },
{ "lxc.network.flags", set_config_network_flags, get_config_network_item, clr_config_network_flags, },
{ "lxc.network.link", set_config_network_link, get_config_network_item, clr_config_network_link, },
{ "lxc.network.name", set_config_network_name, get_config_network_item, clr_config_network_name, },
{ "lxc.network.macvlan.mode", set_config_network_macvlan_mode, get_config_network_item, clr_config_network_macvlan_mode, },
{ "lxc.network.veth.pair", set_config_network_veth_pair, get_config_network_item, clr_config_network_veth_pair, },
{ "lxc.network.script.up", set_config_network_script_up, get_config_network_item, clr_config_network_script_up, },
{ "lxc.network.script.down", set_config_network_script_down, get_config_network_item, clr_config_network_script_down, },
{ "lxc.network.hwaddr", set_config_network_hwaddr, get_config_network_item, clr_config_network_hwaddr, },
{ "lxc.network.mtu", set_config_network_mtu, get_config_network_item, clr_config_network_mtu, },
{ "lxc.network.vlan.id", set_config_network_vlan_id, get_config_network_item, clr_config_network_vlan_id, },
{ "lxc.network.ipv4.gateway", set_config_network_ipv4_gateway, get_config_network_item, clr_config_network_ipv4_gateway, },
{ "lxc.network.ipv4", set_config_network_ipv4, get_config_network_item, clr_config_network_ipv4, },
{ "lxc.network.ipv6.gateway", set_config_network_ipv6_gateway, get_config_network_item, clr_config_network_ipv6_gateway, },
{ "lxc.network.ipv6", set_config_network_ipv6, get_config_network_item, clr_config_network_ipv6, },
{ "lxc.network.", set_config_network_nic, get_config_network_item, clr_config_network_nic, },
{ "lxc.network.type", set_config_network_type, get_config_network_type, clr_config_network_type, },
{ "lxc.network.flags", set_config_network_flags, get_config_network_flags, clr_config_network_flags, },
{ "lxc.network.link", set_config_network_link, get_config_network_link, clr_config_network_link, },
{ "lxc.network.name", set_config_network_name, get_config_network_name, clr_config_network_name, },
{ "lxc.network.macvlan.mode", set_config_network_macvlan_mode, get_config_network_macvlan_mode, clr_config_network_macvlan_mode, },
{ "lxc.network.veth.pair", set_config_network_veth_pair, get_config_network_veth_pair, clr_config_network_veth_pair, },
{ "lxc.network.script.up", set_config_network_script_up, get_config_network_script_up, clr_config_network_script_up, },
{ "lxc.network.script.down", set_config_network_script_down, get_config_network_script_down, clr_config_network_script_down, },
{ "lxc.network.hwaddr", set_config_network_hwaddr, get_config_network_hwaddr, clr_config_network_hwaddr, },
{ "lxc.network.mtu", set_config_network_mtu, get_config_network_mtu, clr_config_network_mtu, },
{ "lxc.network.vlan.id", set_config_network_vlan_id, get_config_network_vlan_id, clr_config_network_vlan_id, },
{ "lxc.network.ipv4.gateway", set_config_network_ipv4_gateway, get_config_network_ipv4_gateway, clr_config_network_ipv4_gateway, },
{ "lxc.network.ipv4", set_config_network_ipv4, get_config_network_ipv4, clr_config_network_ipv4, },
{ "lxc.network.ipv6.gateway", set_config_network_ipv6_gateway, get_config_network_ipv6_gateway, clr_config_network_ipv6_gateway, },
{ "lxc.network.ipv6", set_config_network_ipv6, get_config_network_ipv6, clr_config_network_ipv6, },
{ "lxc.network.", set_config_network_nic, get_config_network_nic, clr_config_network_nic, },
{ "lxc.network", set_config_network, get_config_network, clr_config_network, },
{ "lxc.cap.drop", set_config_cap_drop, get_config_cap_drop, clr_config_cap_drop, },
{ "lxc.cap.keep", set_config_cap_keep, get_config_cap_keep, clr_config_cap_keep, },
......@@ -881,6 +911,9 @@ static int set_config_network_flags(const char *key, const char *value,
{
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_flags(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_get_netdev_by_idx(lxc_conf, 0);
......@@ -899,9 +932,6 @@ static int set_network_link(const char *key, const char *value,
{
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_flags(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_get_netdev_by_idx(lxc_conf, 0);
......@@ -999,7 +1029,7 @@ static int set_config_network_name(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_script_down(key, lxc_conf, data);
return clr_config_network_name(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1038,7 +1068,7 @@ static int set_config_network_macvlan_mode(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_name(key, lxc_conf, data);
return clr_config_network_macvlan_mode(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1093,7 +1123,7 @@ static int set_config_network_vlan_id(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_macvlan_mode(key, lxc_conf, data);
return clr_config_network_vlan_id(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1115,7 +1145,7 @@ static int set_config_network_mtu(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_vlan_id(key, lxc_conf, data);
return clr_config_network_mtu(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1231,7 +1261,7 @@ static int set_config_network_ipv4_gateway(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_mtu(key, lxc_conf, data);
return clr_config_network_ipv4_gateway(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1344,7 +1374,7 @@ static int set_config_network_ipv6_gateway(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_ipv4_gateway(key, lxc_conf, data);
return clr_config_network_ipv6_gateway(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1389,7 +1419,7 @@ static int set_config_network_script_up(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_ipv6_gateway(key, lxc_conf, data);
return clr_config_network_script_up(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -1408,7 +1438,7 @@ static int set_config_network_script_down(const char *key, const char *value,
struct lxc_netdev *netdev;
if (lxc_config_value_empty(value))
return clr_config_network_script_up(key, lxc_conf, data);
return clr_config_network_script_down(key, lxc_conf, data);
/* lxc.network.* without an index */
if (!data)
......@@ -3650,133 +3680,6 @@ static int get_config_network(const char *key, char *retv, int inlen,
return fulllen;
}
/*
* lxc.network.0.XXX, where XXX can be: name, type, link, flags, type,
* macvlan.mode, veth.pair, vlan, ipv4, ipv6, script.up, hwaddr, mtu,
* ipv4.gateway, ipv6.gateway. ipvX.gateway can return 'auto' instead
* of an address. ipv4 and ipv6 return lists (newline-separated).
* things like veth.pair return '' if invalid (i.e. if called for vlan
* type).
*/
static int get_config_network_item(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
char *p1;
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
if (!strncmp(key, "lxc.network.", 12))
key += 12;
else
return -1;
p1 = strchr(key, '.');
if (!p1 || *(p1 + 1) == '\0')
return -1;
p1++;
netdev = get_netdev_from_key(key, &c->network);
if (!netdev)
return -1;
if (strcmp(p1, "name") == 0) {
if (netdev->name)
strprint(retv, inlen, "%s", netdev->name);
} else if (strcmp(p1, "type") == 0) {
strprint(retv, inlen, "%s", lxc_net_type_to_str(netdev->type));
} else if (strcmp(p1, "link") == 0) {
if (netdev->link)
strprint(retv, inlen, "%s", netdev->link);
} else if (strcmp(p1, "flags") == 0) {
if (netdev->flags & IFF_UP)
strprint(retv, inlen, "up");
} else if (strcmp(p1, "script.up") == 0) {
if (netdev->upscript)
strprint(retv, inlen, "%s", netdev->upscript);
} else if (strcmp(p1, "script.down") == 0) {
if (netdev->downscript)
strprint(retv, inlen, "%s", netdev->downscript);
} else if (strcmp(p1, "hwaddr") == 0) {
if (netdev->hwaddr)
strprint(retv, inlen, "%s", netdev->hwaddr);
} else if (strcmp(p1, "mtu") == 0) {
if (netdev->mtu)
strprint(retv, inlen, "%s", netdev->mtu);
} else if (strcmp(p1, "macvlan.mode") == 0) {
if (netdev->type == LXC_NET_MACVLAN) {
const char *mode;
switch (netdev->priv.macvlan_attr.mode) {
case MACVLAN_MODE_PRIVATE:
mode = "private";
break;
case MACVLAN_MODE_VEPA:
mode = "vepa";
break;
case MACVLAN_MODE_BRIDGE:
mode = "bridge";
break;
case MACVLAN_MODE_PASSTHRU:
mode = "passthru";
break;
default:
mode = "(invalid)";
break;
}
strprint(retv, inlen, "%s", mode);
}
} else if (strcmp(p1, "veth.pair") == 0) {
if (netdev->type == LXC_NET_VETH) {
strprint(retv, inlen, "%s",
netdev->priv.veth_attr.pair
? netdev->priv.veth_attr.pair
: netdev->priv.veth_attr.veth1);
}
} else if (strcmp(p1, "vlan") == 0) {
if (netdev->type == LXC_NET_VLAN) {
strprint(retv, inlen, "%d", netdev->priv.vlan_attr.vid);
}
} else if (strcmp(p1, "ipv4.gateway") == 0) {
if (netdev->ipv4_gateway_auto) {
strprint(retv, inlen, "auto");
} else if (netdev->ipv4_gateway) {
char buf[INET_ADDRSTRLEN];
inet_ntop(AF_INET, netdev->ipv4_gateway, buf,
sizeof(buf));
strprint(retv, inlen, "%s", buf);
}
} else if (strcmp(p1, "ipv4") == 0) {
struct lxc_list *it2;
lxc_list_for_each(it2, &netdev->ipv4) {
struct lxc_inetdev *i = it2->elem;
char buf[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &i->addr, buf, sizeof(buf));
strprint(retv, inlen, "%s/%d\n", buf, i->prefix);
}
} else if (strcmp(p1, "ipv6.gateway") == 0) {
if (netdev->ipv6_gateway_auto) {
strprint(retv, inlen, "auto");
} else if (netdev->ipv6_gateway) {
char buf[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, netdev->ipv6_gateway, buf,
sizeof(buf));
strprint(retv, inlen, "%s", buf);
}
} else if (strcmp(p1, "ipv6") == 0) {
struct lxc_list *it2;
lxc_list_for_each(it2, &netdev->ipv6) {
struct lxc_inet6dev *i = it2->elem;
char buf[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, &i->addr, buf, sizeof(buf));
strprint(retv, inlen, "%s/%d\n", buf, i->prefix);
}
}
return fulllen;
}
static int get_config_cap_drop(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
......@@ -4753,3 +4656,452 @@ static int clr_config_network_ipv6(const char *key, struct lxc_conf *lxc_conf,
return 0;
}
static int get_config_network_nic(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
struct lxc_config_t *config;
struct lxc_netdev *netdev;
ssize_t idx = -1;
config = get_network_config_ops(key, c, &idx);
if (!config || idx < 0)
return -1;
netdev = lxc_find_netdev_by_idx(c, (unsigned int)idx);
if (!netdev)
return -1;
return config->get(key, retv, inlen, c, netdev);
}
static int get_config_network_type(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
strprint(retv, inlen, "%s", lxc_net_type_to_str(netdev->type));
return fulllen;
}
static int get_config_network_flags(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->flags & IFF_UP)
strprint(retv, inlen, "up");
return fulllen;
}
static int get_config_network_link(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->link)
strprint(retv, inlen, "%s", netdev->link);
return fulllen;
}
static int get_config_network_name(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->name)
strprint(retv, inlen, "%s", netdev->name);
return fulllen;
}
static int get_config_network_macvlan_mode(const char *key, char *retv,
int inlen, struct lxc_conf *c,
void *data)
{
const char *mode;
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->type != LXC_NET_MACVLAN)
return 0;
switch (netdev->priv.macvlan_attr.mode) {
case MACVLAN_MODE_PRIVATE:
mode = "private";
break;
case MACVLAN_MODE_VEPA:
mode = "vepa";
break;
case MACVLAN_MODE_BRIDGE:
mode = "bridge";
break;
case MACVLAN_MODE_PASSTHRU:
mode = "passthru";
break;
default:
mode = "(invalid)";
break;
}
strprint(retv, inlen, "%s", mode);
return fulllen;
}
static int get_config_network_veth_pair(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->type != LXC_NET_VETH)
return 0;
strprint(retv, inlen, "%s",
netdev->priv.veth_attr.pair ? netdev->priv.veth_attr.pair
: netdev->priv.veth_attr.veth1);
return fulllen;
}
static int get_config_network_script_up(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->upscript)
strprint(retv, inlen, "%s", netdev->upscript);
return fulllen;
}
static int get_config_network_script_down(const char *key, char *retv,
int inlen, struct lxc_conf *c,
void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->downscript)
strprint(retv, inlen, "%s", netdev->downscript);
return fulllen;
}
static int get_config_network_hwaddr(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->hwaddr)
strprint(retv, inlen, "%s", netdev->hwaddr);
return fulllen;
}
static int get_config_network_mtu(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->mtu)
strprint(retv, inlen, "%s", netdev->mtu);
return fulllen;
}
static int get_config_network_vlan_id(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->type != LXC_NET_VLAN)
return 0;
strprint(retv, inlen, "%d", netdev->priv.vlan_attr.vid);
return fulllen;
}
static int get_config_network_ipv4_gateway(const char *key, char *retv,
int inlen, struct lxc_conf *c,
void *data)
{
int len, fulllen = 0;
char buf[INET_ADDRSTRLEN];
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->ipv4_gateway_auto) {
strprint(retv, inlen, "auto");
} else if (netdev->ipv4_gateway) {
inet_ntop(AF_INET, netdev->ipv4_gateway, buf, sizeof(buf));
strprint(retv, inlen, "%s", buf);
}
return fulllen;
}
static int get_config_network_ipv4(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
size_t listlen;
char buf[INET_ADDRSTRLEN];
struct lxc_netdev *netdev;
struct lxc_list *it;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
listlen = lxc_list_len(&netdev->ipv4);
lxc_list_for_each(it, &netdev->ipv4) {
struct lxc_inetdev *i = it->elem;
inet_ntop(AF_INET, &i->addr, buf, sizeof(buf));
strprint(retv, inlen, "%s/%d%s", buf, i->prefix,
(listlen-- > 1) ? "\n" : "");
}
return fulllen;
}
static int get_config_network_ipv6_gateway(const char *key, char *retv,
int inlen, struct lxc_conf *c,
void *data)
{
int len, fulllen = 0;
char buf[INET6_ADDRSTRLEN];
struct lxc_netdev *netdev;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
if (netdev->ipv6_gateway_auto) {
strprint(retv, inlen, "auto");
} else if (netdev->ipv6_gateway) {
inet_ntop(AF_INET6, netdev->ipv6_gateway, buf, sizeof(buf));
strprint(retv, inlen, "%s", buf);
}
return fulllen;
}
static int get_config_network_ipv6(const char *key, char *retv, int inlen,
struct lxc_conf *c, void *data)
{
int len, fulllen = 0;
size_t listlen;
char buf[INET6_ADDRSTRLEN];
struct lxc_netdev *netdev;
struct lxc_list *it;
if (!retv)
inlen = 0;
else
memset(retv, 0, inlen);
/* lxc.network.* without an index */
if (!data)
netdev = lxc_find_netdev_by_idx(c, 0);
else
netdev = data;
if (!netdev)
return -1;
listlen = lxc_list_len(&netdev->ipv6);
lxc_list_for_each(it, &netdev->ipv6) {
struct lxc_inet6dev *i = it->elem;
inet_ntop(AF_INET6, &i->addr, buf, sizeof(buf));
strprint(retv, inlen, "%s/%d%s", buf, i->prefix,
(listlen-- > 1) ? "\n" : "");
}
return fulllen;
}
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