/*
*===========================================================================
* ipcom_sysvar_release
*===========================================================================
* Description:
* Parameters:
* Returns:
*/
IP_STATIC void
ipcom_sysvar_free(Ipcom_sysvar_entry *sysvar, Ipcom_sysvar_tree *tree)
{
/* Remove the sys entry */
ipcom_hash_remove(tree->sysvars, sysvar);
ipcom_free(sysvar);
}
/*
*===========================================================================
* ipnet_vrrp_add_addr
*===========================================================================
* Description: Adds a virtual router address.
* Parameters: netif - The network interface the VRIP will be assigned to.
* vrid - The VRID the address will be assigned to.
* Returns: 0 = success, <0 = error code.
*
*/
IP_GLOBAL int
ipnet_vrrp_add_addr(Ipnet_netif *netif, Ip_u8 vrid, struct Ip_in_addr addr)
{
Ipnet_vrrp_addr_t *addr_entry;
if (ipnet->vrrp_addrs == IP_NULL)
{
ipnet->vrrp_addrs = ipcom_hash_new((Ipcom_hash_obj_func) ipnet_vrrp_obj_hash,
(Ipcom_hash_key_func) ipnet_vrrp_obj_hash,
(Ipcom_hash_cmp_func) ipnet_vrrp_hash_cmp);
if (ipnet->vrrp_addrs == IP_NULL)
return -IP_ERRNO_ENOMEM;
}
addr_entry = ipnet_vrrp_get_addr_entry(netif, vrid);
if (addr_entry == IP_NULL)
{
addr_entry = ipcom_malloc(sizeof(Ipnet_vrrp_addr_t));
if (addr_entry == IP_NULL)
return -IP_ERRNO_ENOMEM;
IPNET_IF_LOCK(netif);
addr_entry->netif = netif;
addr_entry->vrid = vrid;
addr_entry->num_addrs = 1;
addr_entry->addrs[0] = addr;
}
else
{
Ipnet_vrrp_addr_t *a;
int i;
i = ipnet_vrrp_addr_index(addr_entry, addr);
if (i >= 0)
return -IP_ERRNO_EEXIST;
(void)ipcom_hash_remove(ipnet->vrrp_addrs, addr_entry);
a = ipcom_realloc(addr_entry,
sizeof(Ipnet_vrrp_addr_t) + addr_entry->num_addrs * sizeof(Ipnet_vrrp_addr_t));
if (a == IP_NULL)
return -IP_ERRNO_ENOMEM;
a->addrs[a->num_addrs++] = addr;
addr_entry = a;
}
if (ipcom_hash_add(ipnet->vrrp_addrs, addr_entry) != IPCOM_SUCCESS)
{
ipcom_free(addr_entry);
return -IP_ERRNO_ENOMEM;
}
IPCOM_LOG2(INFO, "VRRP: added address %s on %s",
ipcom_inet_ntop(IP_AF_INET, &addr, ipnet->log_buf, sizeof(ipnet->log_buf)),
netif->ipcom.name);
return 0;
}
/*
*===========================================================================
* ipcom_sysvar_release
*===========================================================================
* Description:
* Parameters:
* Returns:
*/
IP_STATIC void
ipcom_sysvar_release(Ipcom_sysvar_tree *tree, Ipcom_sysvar_entry *sysvar)
{
if (--sysvar->refcount == 0)
{
tree->modified = IP_TRUE;
ipcom_hash_remove(tree->sysvars, sysvar);
ipcom_free(sysvar);
}
}
/*
*===========================================================================
* ipnet_vrrp_del_addr
*===========================================================================
* Description: Deletes a virtual router address.
* Parameters: netif - The network interface the VRIP was assigned to.
* vrid - The VRID the address was assigned to.
* Returns: 0 = success, <0 = error code.
*
*/
IP_GLOBAL int
ipnet_vrrp_del_addr(Ipnet_netif *netif, Ip_u8 vrid, struct Ip_in_addr addr)
{
Ipnet_vrrp_addr_t *addr_entry;
int i;
ip_assert(ipnet->vrrp_addrs != IP_NULL);
addr_entry = ipnet_vrrp_get_addr_entry(netif, vrid);
if (addr_entry == IP_NULL)
return -IP_ERRNO_ESRCH;
i = ipnet_vrrp_addr_index(addr_entry, addr);
if (i < 0)
return -IP_ERRNO_ESRCH;
IPCOM_LOG2(INFO, "VRRP: deleted address %s on %s",
ipcom_inet_ntop(IP_AF_INET, &addr, ipnet->log_buf, sizeof(ipnet->log_buf)),
netif->ipcom.name);
if (--addr_entry->num_addrs > 0)
{
for (;i < addr_entry->num_addrs; i++)
addr_entry->addrs[i] = addr_entry->addrs[i + 1];
}
else
{
(void)ipcom_hash_remove(ipnet->vrrp_addrs, addr_entry);
ipcom_free(addr_entry);
if (ipnet->vrrp_addrs->elem == 0)
{
ipcom_hash_delete(ipnet->vrrp_addrs);
ipnet->vrrp_addrs = IP_NULL;
}
}
return 0;
}
/*
*===========================================================================
* ipcom_sysvar_set_internal
*===========================================================================
* Description:
* Parameters:
* Returns:
*/
IP_GLOBAL Ip_err
ipcom_sysvar_set_tree(const char *name, const char *value, int flags, Ipcom_sysvar_tree *tree)
{
Ip_size_t name_length;
Ip_size_t value_length;
Ipcom_sysvar_entry *sysvar;
Ip_err retval = IPCOM_SUCCESS;
/* Check for duplicate. */
sysvar = ipcom_hash_get(tree->sysvars, name);
if (sysvar)
{
if (IP_BIT_ISSET(sysvar->flags, IPCOM_SYSVAR_FLAG_READONLY))
{
retval = IPCOM_ERR_READONLY;
goto leave;
}
else if (IP_BIT_ISFALSE(flags, IPCOM_SYSVAR_FLAG_OVERWRITE))
{
retval = IPCOM_ERR_DUPLICATE;
goto leave;
}
else
{
flags |= sysvar->flags & IPCOM_SYSVAR_FLAG_KERNEL;
ipcom_hash_remove(tree->sysvars, sysvar);
ipcom_free(sysvar);
goto set;
}
}
/* No current entry found and not allowed to create a new entry. */
if(IP_BIT_ISSET(flags, IPCOM_SYSVAR_FLAG_NOCREATE))
{
retval = IPCOM_ERR_FAILED;
goto leave;
}
/* Add the new sysvar. */
set:
name_length = ipcom_strlen(name) + 1;
value_length = ipcom_strlen(value) + 1;
sysvar = ipcom_malloc(sizeof(Ipcom_sysvar_entry) + name_length + value_length);
if(sysvar == IP_NULL)
{
retval = IPCOM_ERR_NO_MEMORY;
goto leave;
}
sysvar->refcount = 1;
sysvar->flags = flags;
if (IP_BIT_ISFALSE(flags, IPCOM_SYSVAR_FLAG_INIT))
{
tree->modified = IP_TRUE;
sysvar->flags |= IPCOM_SYSVAR_FLAG_MODIFIED;
}
sysvar->name = (const char *)sysvar + sizeof(Ipcom_sysvar_entry);
ipcom_memcpy((void *)sysvar->name, name, name_length);
sysvar->value = sysvar->name + name_length;
ipcom_memcpy((void *)sysvar->value, value, value_length);
retval = ipcom_hash_add(tree->sysvars, sysvar);
leave:
return retval; /*lint !e429 Custodial pointer 'sysvar' has not been freed or returned */
}
/*
*===========================================================================
* ipcom_env_delete
*===========================================================================
* Description: Removes the element from its hash table and frees memory for
* the entry.
* Parameters: env - entry to delete
* hash - hash table the entry is assigned to
* Returns:
*
*/
IP_STATIC void
ipcom_env_delete(Ipcom_env_entry *env, Ipcom_hash *hash)
{
ipcom_hash_remove(hash, env);
ipcom_free(env);
}