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/*
* BIRD Internet Routing Daemon -- Configuration File Handling
*
* (c) 1999 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <setjmp.h>
#include <stdarg.h>
#include "nest/bird.h"
#include "nest/route.h"
#include "nest/protocol.h"
#include "nest/iface.h"
#include "lib/resource.h"
#include "lib/string.h"
#include "conf/conf.h"
#include "filter/filter.h"
static jmp_buf conf_jmpbuf;
struct config *config, *new_config;
struct config *
config_alloc(byte *name)
{
pool *p = rp_new(&root_pool, "Config");
linpool *l = lp_new(p, 4080);
struct config *c = lp_allocz(l, sizeof(struct config));
c->pool = p;
cfg_mem = c->mem = l;
init_list(&c->protos);
c->file_name = cfg_strdup(name);
return c;
}
int
config_parse(struct config *c)
{
struct proto_config *p;
debug("Parsing configuration file `%s'\n", c->file_name);
new_config = c;
cfg_pool = c->pool;
cfg_mem = c->mem;
if (setjmp(conf_jmpbuf))
return 0;
cf_lex_init(1);
cf_lex_init_tables();
protos_preconfig(c);
rt_preconfig(c);
cf_parse();
filters_postconfig(); /* FIXME: Do we really need this? */
protos_postconfig(c);
#ifdef IPV6
if (!c->router_id)
cf_error("Router ID must be configured manually on IPv6 routers");
#endif
return 1;
}
void
config_free(struct config *c)
{
rfree(c->pool);
}
void
config_commit(struct config *c)
{
config = c;
rt_commit(c);
protos_commit(c);
}
void
cf_error(char *msg, ...)
{
char buf[1024];
va_list args;
va_start(args, msg);
if (bvsnprintf(buf, sizeof(buf), msg, args) < 0)
strcpy(buf, "<bug: error message too long>");
new_config->err_msg = cfg_strdup(buf);
new_config->err_lino = conf_lino;
longjmp(conf_jmpbuf, 1);
}
char *
cfg_strdup(char *c)
{
int l = strlen(c) + 1;
char *z = cfg_allocu(l);
memcpy(z, c, l);
return z;
}
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