-#define _GNU_SOURCE
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
#include <assert.h>
#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
+#include <i18n/i18n.h>
#include "log/log.h"
#include "talloc/talloc.h"
#include "resource.h"
struct yaboot_state {
- struct discover_boot_option *opt;
- char *desc_image;
- char *desc_initrd;
int globals_done;
- const char *const *known_names;
+
+ /* current option data */
+ struct discover_boot_option *opt;
+ const char *device;
+ const char *partition;
+ const char *boot_image;
+ const char *initrd;
+ const char *initrd_size;
+ const char *literal;
+ const char *ramdisk;
+ const char *root;
+ bool read_only;
+ bool read_write;
};
+static struct discover_boot_option *state_start_new_option(
+ struct conf_context *conf,
+ struct yaboot_state *state)
+{
+ state->opt = discover_boot_option_create(conf->dc, conf->dc->device);
+ state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
+
+ /* old allocated values will get freed with the state */
+ state->device = conf_get_global_option(conf, "device");
+ state->partition = conf_get_global_option(conf, "partition");
+ state->initrd_size = conf_get_global_option(conf, "initrd_size");
+ state->literal = conf_get_global_option(conf, "literal");
+ state->ramdisk = conf_get_global_option(conf, "ramdisk");
+ state->root = conf_get_global_option(conf, "root");
+
+ return state->opt;
+}
+
+static struct resource *create_yaboot_devpath_resource(
+ struct yaboot_state *state,
+ struct conf_context *conf,
+ const char *path)
+{
+ struct discover_boot_option *opt = state->opt;
+ const char *dev, *part, *devpos;
+ struct resource *res;
+ char *devpath, *devstr;
+
+ dev = state->device;
+ part = state->partition;
+
+ if (!dev)
+ dev = conf_get_global_option(conf, "device");
+ if (!part)
+ part = conf_get_global_option(conf, "partition");
+
+ if (strchr(path, ':')) {
+ devpath = talloc_strdup(conf, path);
+
+ } else if (dev && part) {
+ devpos = &dev[strlen(dev) - 1];
+ if (isdigit(*devpos)) {
+ while (isdigit(*devpos))
+ devpos--;
+
+ devstr = talloc_strndup(conf, dev, devpos - dev + 1);
+ devpath = talloc_asprintf(conf, "%s%s:%s", devstr,
+ part, path);
+ talloc_free(devstr);
+ } else {
+ devpath = talloc_asprintf(conf,
+ "%s%s:%s", dev, part, path);
+ }
+ } else if (dev) {
+ devpath = talloc_asprintf(conf, "%s:%s", dev, path);
+ } else {
+ devpath = talloc_strdup(conf, path);
+ }
+
+ res = create_devpath_resource(opt, conf->dc->device, devpath);
+
+ talloc_free(devpath);
+
+ return res;
+}
+
static void yaboot_finish(struct conf_context *conf)
{
struct yaboot_state *state = conf->parser_info;
- struct device *dev = conf->dc->device->device;
+ const char *default_label;
struct boot_option *opt;
- if (!state->desc_image) {
- pb_log("%s: %s: no image found\n", __func__, dev->id);
+ if (!state->opt)
return;
- }
-
- assert(state->opt);
opt = state->opt->option;
assert(opt);
assert(opt->name);
assert(opt->boot_args);
- opt->description = talloc_asprintf(opt, "%s %s %s",
- state->desc_image,
- (state->desc_initrd ? state->desc_initrd : ""),
- opt->boot_args);
+ /* populate the boot option from state data */
+ state->opt->boot_image = create_yaboot_devpath_resource(state,
+ conf, state->boot_image);
- talloc_free(state->desc_initrd);
- state->desc_initrd = NULL;
+ char* args_sigfile_default = talloc_asprintf(opt,
+ "%s.cmdline.sig", state->boot_image);
+ state->opt->args_sig_file = create_yaboot_devpath_resource(state,
+ conf, args_sigfile_default);
+ talloc_free(args_sigfile_default);
- conf_strip_str(opt->boot_args);
- conf_strip_str(opt->description);
+ if (state->initrd) {
+ state->opt->initrd = create_yaboot_devpath_resource(state,
+ conf, state->initrd);
+ }
- /* opt is persistent, so must be associated with device */
+ if (state->initrd_size) {
+ opt->boot_args = talloc_asprintf(opt, "ramdisk_size=%s %s",
+ state->initrd_size, opt->boot_args);
+ }
- discover_context_add_boot_option(conf->dc, state->opt);
+ if (state->ramdisk) {
+ opt->boot_args = talloc_asprintf(opt, "ramdisk=%s %s",
+ state->initrd_size, opt->boot_args);
+ }
- state->opt = discover_boot_option_create(conf->dc, conf->dc->device);
- state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
-}
+ if (state->root) {
+ opt->boot_args = talloc_asprintf(opt, "root=%s %s",
+ state->root, opt->boot_args);
+ }
-static struct resource *create_yaboot_devpath_resource(
- struct conf_context *conf,
- const char *path, char **desc_str)
-{
- const char *g_boot = conf_get_global_option(conf, "boot");
- const char *g_part = conf_get_global_option(conf, "partition");
- struct resource *res;
- char *devpath;
+ if (state->read_only && state->read_write) {
+ pb_log("boot option %s specified both 'ro' and 'rw', "
+ "using 'rw'\n", opt->name);
+ state->read_only = false;
+ }
- if (g_boot && g_part) {
- devpath = talloc_asprintf(conf,
- "%s%s:%s", g_boot, g_part, path);
- } else if (g_boot) {
- devpath = talloc_asprintf(conf, "%s:%s", g_boot, path);
- } else {
- devpath = talloc_strdup(conf, path);
+ if (state->read_only || state->read_write) {
+ opt->boot_args = talloc_asprintf(opt, "%s %s",
+ state->read_only ? "ro" : "rw",
+ opt->boot_args);
}
- res = create_devpath_resource(conf->dc, conf->dc->device, devpath);
+ if (state->literal) {
+ opt->boot_args = talloc_strdup(opt, state->literal);
+ }
- if (desc_str)
- *desc_str = devpath;
- else
- talloc_free(devpath);
+ opt->description = talloc_asprintf(opt, "%s %s %s",
+ state->boot_image,
+ (state->initrd ? state->initrd : ""),
+ opt->boot_args ? opt->boot_args : "");
- return res;
-}
+ conf_strip_str(opt->boot_args);
+ conf_strip_str(opt->description);
+ default_label = conf_get_global_option(conf, "default");
+ if (default_label &&
+ !strcasecmp(state->opt->option->name, default_label))
+ state->opt->option->is_default = true;
+
+ discover_context_add_boot_option(conf->dc, state->opt);
+}
static void yaboot_process_pair(struct conf_context *conf, const char *name,
char *value)
if (!state->globals_done && conf_set_global_option(conf, name, value))
return;
- if (!conf_param_in_list(state->known_names, name))
- return;
-
- state->globals_done = 1;
-
/* image */
-
if (streq(name, "image")) {
+ /* an image section finishes our global defintions */
+ state->globals_done = 1;
/* First finish any previous image. */
- if (opt->boot_image)
+ if (opt)
yaboot_finish(conf);
/* Then start the new image. */
- opt->boot_image = create_yaboot_devpath_resource(conf,
- value, &state->desc_image);
+ opt = state_start_new_option(conf, state);
+
+ state->boot_image = talloc_strdup(state, value);
return;
}
if (suse_fp) {
/* First finish any previous image. */
-
- if (opt->boot_image)
+ if (opt)
yaboot_finish(conf);
/* Then start the new image. */
+ opt = state_start_new_option(conf, state);
if (*value == '/') {
- opt->boot_image = create_yaboot_devpath_resource(
- conf, value, &state->desc_image);
+ state->boot_image = talloc_strdup(state, value);
} else {
- char *tmp;
-
- opt->boot_image = create_yaboot_devpath_resource(
- conf, suse_fp->image,
- &state->desc_image);
-
- opt->initrd = create_yaboot_devpath_resource(
- conf, suse_fp->initrd, &tmp);
-
- state->desc_initrd = talloc_asprintf(opt,
- "initrd=%s", tmp);
- talloc_free(tmp);
+ state->boot_image = talloc_strdup(state,
+ suse_fp->image);
+ state->initrd = talloc_strdup(state, suse_fp->initrd);
}
return;
}
- if (!opt->boot_image) {
- pb_log("%s: unknown name: %s\n", __func__, name);
+ /* all other processing requires an image */
+ if (!opt) {
+ pb_debug("%s: unknown name: %s\n", __func__, name);
return;
}
/* initrd */
-
if (streq(name, "initrd")) {
- opt->initrd = create_yaboot_devpath_resource(conf,
- value, &state->desc_image);
-
+ state->initrd = talloc_strdup(state, value);
return;
}
/* label */
-
if (streq(name, "label")) {
opt->option->id = talloc_asprintf(opt->option, "%s#%s",
conf->dc->device->device->id, value);
}
/* args */
+ if (streq(name, "device")) {
+ printf("option device : %s", value);
+ state->device = talloc_strdup(state, value);
+ return;
+ }
+
+ if (streq(name, "parititon")) {
+ state->partition = talloc_strdup(state, value);
+ return;
+ }
if (streq(name, "append")) {
opt->option->boot_args = talloc_asprintf_append(
}
if (streq(name, "initrd-size")) {
- opt->option->boot_args = talloc_asprintf_append(
- opt->option->boot_args, "ramdisk_size=%s ", value);
+ state->initrd_size = talloc_strdup(state, value);
return;
}
if (streq(name, "literal")) {
- if (*opt->option->boot_args) {
- pb_log("%s: literal over writes '%s'\n", __func__,
- opt->option->boot_args);
- talloc_free(opt->option->boot_args);
- }
- talloc_asprintf(opt->option, "%s ", value);
+ state->literal = talloc_strdup(state, value);
return;
}
if (streq(name, "ramdisk")) {
- opt->option->boot_args = talloc_asprintf_append(
- opt->option->boot_args, "ramdisk=%s ", value);
+ state->ramdisk = talloc_strdup(state, value);
return;
}
if (streq(name, "read-only")) {
- opt->option->boot_args = talloc_asprintf_append(
- opt->option->boot_args, "ro ");
+ state->read_only = true;
return;
}
if (streq(name, "read-write")) {
- opt->option->boot_args = talloc_asprintf_append(
- opt->option->boot_args, "rw ");
+ state->read_write = true;
return;
}
if (streq(name, "root")) {
- opt->option->boot_args = talloc_asprintf_append(
- opt->option->boot_args, "root=%s ", value);
+ state->root = talloc_strdup(state, value);
return;
}
- pb_log("%s: unknown name: %s\n", __func__, name);
+ pb_debug("%s: unknown name: %s\n", __func__, name);
}
static struct conf_global_option yaboot_global_options[] = {
- { .name = "boot" },
- { .name = "initrd" },
+ { .name = "root" },
+ { .name = "device" },
{ .name = "partition" },
+ { .name = "initrd" },
+ { .name = "initrd_size" },
{ .name = "video" },
+ { .name = "literal" },
+ { .name = "ramdisk" },
+ { .name = "default" },
{ .name = NULL },
};
static const char *const yaboot_conf_files[] = {
"/yaboot.conf",
"/yaboot.cnf",
+ "/etc/lilo.conf",
+ "/etc/silo.conf",
"/etc/yaboot.conf",
"/etc/yaboot.cnf",
"/suseboot/yaboot.cnf",
"/YABOOT.CONF",
"/YABOOT.CNF",
+ "/ETC/LILO.CONF",
+ "/ETC/SILO.CONF",
"/ETC/YABOOT.CONF",
"/ETC/YABOOT.CNF",
"/SUSEBOOT/YABOOT.CNF",
NULL
};
-static const char *yaboot_known_names[] = {
- "append",
- "image",
- "image[64bit]", /* SUSE extension */
- "image[32bit]", /* SUSE extension */
- "initrd",
- "initrd-size",
- "label",
- "literal",
- "ramdisk",
- "read-only",
- "read-write",
- "root",
- NULL
-};
-
-static int yaboot_parse(struct discover_context *dc, char *buf, int len)
+static int yaboot_parse(struct discover_context *dc)
{
- struct conf_context *conf;
+ const char * const *filename;
struct yaboot_state *state;
+ struct conf_context *conf;
+ int len, rc;
+ char *buf;
+
+ /* Support block device boot only at present */
+ if (dc->event)
+ return -1;
conf = talloc_zero(dc, struct conf_context);
if (!conf)
- return 0;
+ return -1;
conf->dc = dc;
conf->global_options = yaboot_global_options,
conf->finish = yaboot_finish;
conf->parser_info = state = talloc_zero(conf, struct yaboot_state);
- state->known_names = yaboot_known_names;
-
- /* opt is persistent, so must be associated with device */
+ state->opt = NULL;
- state->opt = discover_boot_option_create(conf->dc, conf->dc->device);
- state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
+ for (filename = yaboot_conf_files; *filename; filename++) {
+ rc = parser_request_file(dc, dc->device, *filename, &buf, &len);
+ if (rc)
+ continue;
- conf_parse_buf(conf, buf, len);
+ conf_parse_buf(conf, buf, len);
+ device_handler_status_dev_info(dc->handler, dc->device,
+ _("Parsed yaboot configuration from %s"),
+ *filename);
+ talloc_free(buf);
+ }
talloc_free(conf);
- return 1;
+ return 0;
}
static struct parser yaboot_parser = {
- .name = "yaboot",
- .method = CONF_METHOD_LOCAL_FILE,
- .parse = yaboot_parse,
- .filenames = yaboot_conf_files,
+ .name = "yaboot",
+ .parse = yaboot_parse,
+ .resolve_resource = resolve_devpath_resource,
};
register_parser(yaboot_parser);
projects / petitboot / blobdiff