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#include <string.h>
#include <log/log.h>
#include <types/types.h>
#include <talloc/talloc.h>
#include "pb-config.h"
#include "storage.h"
void *config_ctx;
static struct config *config;
static struct config_storage *storage;
void config_set_defaults(struct config *config)
{
config->autoboot_enabled = true;
config->autoboot_timeout_sec = 10;
config->network.interfaces = NULL;
config->network.n_interfaces = 0;
config->network.dns_servers = NULL;
config->network.n_dns_servers = 0;
config->n_boot_priorities = 2;
config->boot_priorities = talloc_array(config, struct boot_priority,
config->n_boot_priorities);
config->boot_priorities[0].type = DEVICE_TYPE_NETWORK;
config->boot_priorities[1].type = DEVICE_TYPE_DISK;
}
static struct interface_config *config_copy_interface(struct config *ctx,
struct interface_config *src)
{
struct interface_config *dest = talloc(ctx, struct interface_config);
memcpy(dest->hwaddr, src->hwaddr, sizeof(src->hwaddr));
dest->ignore = src->ignore;
if (dest->ignore)
return dest;
dest->method = src->method;
switch (src->method) {
case CONFIG_METHOD_DHCP:
break;
case CONFIG_METHOD_STATIC:
dest->static_config.address =
talloc_strdup(dest, src->static_config.address);
dest->static_config.gateway =
talloc_strdup(dest, src->static_config.gateway);
break;
}
return dest;
}
struct config *config_copy(void *ctx, const struct config *src)
{
struct config *dest;
unsigned int i;
dest = talloc(ctx, struct config);
dest->autoboot_enabled = src->autoboot_enabled;
dest->autoboot_timeout_sec = src->autoboot_timeout_sec;
dest->network.n_interfaces = src->network.n_interfaces;
dest->network.interfaces = talloc_array(dest, struct interface_config *,
dest->network.n_interfaces);
dest->network.n_dns_servers = src->network.n_dns_servers;
dest->network.dns_servers = talloc_array(dest, const char *,
dest->network.n_dns_servers);
for (i = 0; i < src->network.n_interfaces; i++)
dest->network.interfaces[i] = config_copy_interface(dest,
src->network.interfaces[i]);
for (i = 0; i < src->network.n_dns_servers; i++)
dest->network.dns_servers[i] = talloc_strdup(dest,
src->network.dns_servers[i]);
dest->n_boot_priorities = src->n_boot_priorities;
dest->boot_priorities = talloc_array(dest, struct boot_priority,
src->n_boot_priorities);
for (i = 0; i < src->n_boot_priorities; i++)
dest->boot_priorities[i].type = src->boot_priorities[i].type;
return dest;
}
void dump_config(struct config *config);
void dump_config(struct config *config)
{
unsigned int i;
pb_log("configuration:\n");
if (config->autoboot_enabled)
pb_log(" autoboot: enabled, %d sec\n",
config->autoboot_timeout_sec);
else
pb_log(" autoboot: disabled\n");
if (config->network.n_interfaces || config->network.n_dns_servers)
pb_log(" network configuration:\n");
for (i = 0; i < config->network.n_interfaces; i++) {
struct interface_config *ifconf =
config->network.interfaces[i];
pb_log(" interface %02x:%02x:%02x:%02x:%02x:%02x\n",
ifconf->hwaddr[0], ifconf->hwaddr[1],
ifconf->hwaddr[2], ifconf->hwaddr[3],
ifconf->hwaddr[4], ifconf->hwaddr[5]);
if (ifconf->ignore) {
pb_log(" ignore\n");
continue;
}
if (ifconf->method == CONFIG_METHOD_DHCP) {
pb_log(" dhcp\n");
} else if (ifconf->method == CONFIG_METHOD_STATIC) {
pb_log(" static:\n");
pb_log(" ip: %s\n", ifconf->static_config.address);
pb_log(" gw: %s\n", ifconf->static_config.gateway);
}
}
for (i = 0; i < config->network.n_dns_servers; i++)
pb_log(" dns server %s\n", config->network.dns_servers[i]);
}
int config_init(void *ctx)
{
config_ctx = talloc_new(ctx);
config = talloc(config_ctx, struct config);
config_set_defaults(config);
storage = create_powerpc_nvram_storage(config);
storage->load(storage, config);
dump_config(config);
return 0;
}
int config_set(struct config *newconfig)
{
int rc;
if (!storage || !storage->save)
return -1;
if (newconfig == config)
return 0;
pb_log("new configuration data received\n");
dump_config(newconfig);
rc = storage->save(storage, newconfig);
if (!rc)
config = talloc_steal(config_ctx, newconfig);
else
pb_log("error saving new configuration; changes lost\n");
return rc;
}
/* A non-exported function to allow the test infrastructure to initialise
* (and change) the configuration variables */
struct parser_test;
struct config __attribute__((unused)) *test_config_init(
struct parser_test *test);
struct config *test_config_init(struct parser_test *test)
{
config = talloc(test, struct config);
config_set_defaults(config);
return config;
}
const struct config *config_get(void)
{
return config;
}
void config_set_autoboot(bool autoboot_enabled)
{
config->autoboot_enabled = autoboot_enabled;
pb_log("set autoboot: %s\n",
config->autoboot_enabled ? "enabled" : "disabled");
}
int config_fini(void)
{
talloc_free(config_ctx);
return 0;
}
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