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Fix network prefix

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Fix the missing network prefix. When no network prefix is specified,
the prefix is computed from the network class specified.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
This commit is contained in:
Daniel Lezcano 2009-10-12 22:02:06 +02:00 committed by Daniel Lezcano
parent a1511e8d15
commit a059591e9f
1 changed files with 17 additions and 2 deletions
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19
src/lxc/confile.c
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@ -134,6 +134,18 @@ static int config_network_type(const char *key, char *value, struct lxc_conf *lx
return 0;
}
static int config_ip_prefix(struct in_addr *addr)
{
if (IN_CLASSA(addr->s_addr))
return 32 - IN_CLASSA_NSHIFT;
if (IN_CLASSB(addr->s_addr))
return 32 - IN_CLASSB_NSHIFT;
if (IN_CLASSC(addr->s_addr))
return 32 - IN_CLASSC_NSHIFT;
return 0;
}
static int config_network_flags(const char *key, char *value, struct lxc_conf *lxc_conf)
{
struct lxc_list *network = &lxc_conf->network;
@ -308,8 +320,10 @@ static int config_network_ipv4(const char *key, char *value, struct lxc_conf *lx
return -1;
}
if (prefix)
inetdev->prefix = atoi(prefix);
/* no prefix specified, determine it from the network class */
inetdev->prefix = prefix ? atoi(prefix) :
config_ip_prefix(&inetdev->addr);
lxc_list_add(&netdev->ipv4, list);
@ -352,6 +366,7 @@ static int config_network_ipv6(const char *key, char *value, struct lxc_conf *lx
lxc_list_init(list);
list->elem = inet6dev;
inet6dev->prefix = 64;
slash = strstr(value, "/");
if (slash) {
*slash = '\0';