#include "parser-conf.h"
#include "parser-utils.h"
#include "resource.h"
+#include "paths.h"
+#include "user-event.h"
+
+struct pxe_parser_info {
+ struct discover_boot_option *opt;
+ const char *default_name;
+};
static void pxe_finish(struct conf_context *conf)
{
- discover_context_add_boot_option(conf->dc, conf->parser_info);
+ struct pxe_parser_info *info = conf->parser_info;
+ if (info->opt)
+ discover_context_add_boot_option(conf->dc, info->opt);
}
static void pxe_process_pair(struct conf_context *ctx,
const char *name, char *value)
{
- struct discover_boot_option *opt = ctx->parser_info;
+ struct pxe_parser_info *parser_info = ctx->parser_info;
+ struct discover_boot_option *opt = parser_info->opt;
struct pb_url *url;
/* quirk in the syslinux config format: initrd can be separated
if (!name)
return;
+ if (streq(name, "DEFAULT")) {
+ parser_info->default_name = talloc_strdup(parser_info, value);
+ return;
+ }
+
if (streq(name, "LABEL")) {
if (opt)
pxe_finish(ctx);
opt = discover_boot_option_create(ctx->dc, ctx->dc->device);
- ctx->parser_info = opt;
opt->option->name = talloc_strdup(opt, value);
opt->option->id = talloc_asprintf(opt, "%s@%p",
ctx->dc->device->device->id, opt);
+
+ opt->option->is_default = parser_info->default_name &&
+ streq(parser_info->default_name, value);
+
+ parser_info->opt = opt;
return;
}
}
-static int pxe_parse(struct discover_context *dc, char *buf, int len)
+static int pxe_parse(struct discover_context *dc)
{
+ struct pxe_parser_info *parser_info;
+ char **pxe_conf_files, **filename;
+ struct pb_url *conf_url, *url;
struct conf_context *conf;
+ int len, rc;
+ char *buf;
+
+ /* Expects dhcp event parameters to support network boot */
+ if (!dc->event)
+ return -1;
conf = talloc_zero(dc, struct conf_context);
if (!conf)
- return 0;
+ goto out;
conf->dc = dc;
conf->get_pair = conf_get_pair_space;
conf->process_pair = pxe_process_pair;
conf->finish = pxe_finish;
+ parser_info = talloc_zero(conf, struct pxe_parser_info);
+ conf->parser_info = parser_info;
+
+ conf_url = user_event_parse_conf_url(dc, dc->event);
+ if (!conf_url)
+ goto out_conf;
+
+ if (dc->conf_url) {
+ rc = parser_request_url(dc, dc->conf_url, &buf, &len);
+ if (rc)
+ goto out_conf;
+ } else {
+ pxe_conf_files = user_event_parse_conf_filenames(dc, dc->event);
+ if (!pxe_conf_files)
+ goto out_conf;
+
+ rc = -1;
+
+ for (filename = pxe_conf_files; *filename; filename++) {
+ url = pb_url_join(dc, conf_url, *filename);
+ if (!url)
+ goto out_pxe_conf;
+
+ rc = parser_request_url(dc, url, &buf, &len);
+ if (!rc) /* found one, just break */
+ break;
+
+ talloc_free(url);
+ }
+
+ /* No configuration file found on the boot server */
+ if (rc)
+ goto out_pxe_conf;
+
+ dc->conf_url = url;
+
+ talloc_free(conf_url);
+ talloc_free(pxe_conf_files);
+ }
+
+ /* Call the config file parser with the data read from the file */
conf_parse_buf(conf, buf, len);
+ talloc_free(buf);
+ talloc_free(conf);
+
+ return 0;
+
+out_pxe_conf:
+ talloc_free(pxe_conf_files);
+out_conf:
talloc_free(conf);
- return 1;
+out:
+ return -1;
}
static struct parser pxe_parser = {
.name = "pxe",
.parse = pxe_parse,
- .method = CONF_METHOD_DHCP,
};
register_parser(pxe_parser);