/* * 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); 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; }