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libnm-util: enforce IPv4 prefix range validity

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Prefixes are between 1 and 32 inclusive so we might as well
enforce that.
This commit is contained in:
Dan Williams 2011-07-05 19:26:43 -05:00
parent 24855b02ec
commit 39b2d78ee3
1 changed files with 5 additions and 2 deletions
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7
libnm-util/nm-setting-ip4-config.c
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@ -1423,7 +1423,7 @@ nm_ip4_address_get_prefix (NMIP4Address *address)
/** /**
* nm_ip4_address_set_prefix: * nm_ip4_address_set_prefix:
* @address: the #NMIP4Address * @address: the #NMIP4Address
* @prefix: the address prefix, a number between 0 and 32 inclusive * @prefix: the address prefix, a number between 1 and 32 inclusive
* *
* Sets the IPv4 address prefix. * Sets the IPv4 address prefix.
**/ **/
@ -1433,6 +1433,7 @@ nm_ip4_address_set_prefix (NMIP4Address *address, guint32 prefix)
g_return_if_fail (address != NULL); g_return_if_fail (address != NULL);
g_return_if_fail (address->refcount > 0); g_return_if_fail (address->refcount > 0);
g_return_if_fail (prefix <= 32); g_return_if_fail (prefix <= 32);
g_return_if_fail (prefix > 0);
address->prefix = prefix; address->prefix = prefix;
} }
@ -1636,7 +1637,7 @@ nm_ip4_route_get_prefix (NMIP4Route *route)
/** /**
* nm_ip4_route_set_prefix: * nm_ip4_route_set_prefix:
* @route: the #NMIP4Route * @route: the #NMIP4Route
* @prefix: the prefix, a number between 0 and 32 inclusive * @prefix: the prefix, a number between 1 and 32 inclusive
* *
* Sets the IPv4 prefix of this route. * Sets the IPv4 prefix of this route.
**/ **/
@ -1645,6 +1646,8 @@ nm_ip4_route_set_prefix (NMIP4Route *route, guint32 prefix)
{ {
g_return_if_fail (route != NULL); g_return_if_fail (route != NULL);
g_return_if_fail (route->refcount > 0); g_return_if_fail (route->refcount > 0);
g_return_if_fail (prefix <= 32);
g_return_if_fail (prefix > 0);
route->prefix = prefix; route->prefix = prefix;
} }