[PATCH v3 1/4] ipconfig: Add checks for invalid IPv4/IPv6 addresses

[patrik . flykt]

From: Patrik Flykt <patrik.fl...@linux.intel.com>

Also fine tune returned errors.
---
 src/ipconfig.c |   26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/ipconfig.c b/src/ipconfig.c
index 9ca3316..9535e9f 100644
--- a/src/ipconfig.c
+++ b/src/ipconfig.c
@@ -1933,6 +1933,7 @@ int __connman_ipconfig_set_config(struct connman_ipconfig 
*ipconfig,
                *privacy_string = NULL;
        int prefix_length = 0, privacy = 0;
        DBusMessageIter dict;
+       int type = -1;
 
        DBG("ipconfig %p", ipconfig);
 
@@ -2021,7 +2022,7 @@ int __connman_ipconfig_set_config(struct connman_ipconfig 
*ipconfig,
 
        case CONNMAN_IPCONFIG_METHOD_AUTO:
                if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
-                       return -EINVAL;
+                       return -EOPNOTSUPP;
 
                ipconfig->method = method;
                if (privacy_string != NULL)
@@ -2030,7 +2031,26 @@ int __connman_ipconfig_set_config(struct 
connman_ipconfig *ipconfig,
                break;
 
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
-               if (address == NULL)
+               switch (ipconfig->type) {
+               case CONNMAN_IPCONFIG_TYPE_IPV4:
+                       type = AF_INET;
+                       break;
+               case CONNMAN_IPCONFIG_TYPE_IPV6:
+                       type = AF_INET6;
+                       break;
+               case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
+                       type = -1;
+                       break;
+               }
+
+               if ((address != NULL && connman_inet_check_ipaddress(address)
+                                               != type) ||
+                               (netmask != NULL &&
+                               connman_inet_check_ipaddress(netmask)
+                                               != type) ||
+                               (gateway != NULL &&
+                               connman_inet_check_ipaddress(gateway)
+                                               != type))
                        return -EINVAL;
 
                ipconfig->method = method;
@@ -2045,7 +2065,7 @@ int __connman_ipconfig_set_config(struct connman_ipconfig 
*ipconfig,
                break;
 
        case CONNMAN_IPCONFIG_METHOD_DHCP:
-               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
                        return -EOPNOTSUPP;
 
                ipconfig->method = method;
-- 
1.7.10.4

_______________________________________________
connman mailing list
connman@connman.net
http://lists.connman.net/listinfo/connman