static grub_menu_t
read_config_file (const char *config)
{
grub_file_t file;
auto grub_err_t getline (char **line, int cont);
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
{
while (1)
{
char *buf;
*line = buf = grub_file_getline (file);
if (! buf)
return grub_errno;
if (buf[0] == '#')
grub_free (*line);
else
break;
}
return GRUB_ERR_NONE;
}
grub_menu_t newmenu;
newmenu = grub_env_get_menu ();
if (! newmenu)
{
newmenu = grub_zalloc (sizeof (*newmenu));
if (! newmenu)
return 0;
grub_env_set_menu (newmenu);
}
/* Try to open the config file. */
file = grub_file_open (config);
if (! file)
return 0;
while (1)
{
char *line;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
if ((getline (&line, 0)) || (! line))
break;
grub_normal_parse_line (line, getline);
grub_free (line);
}
grub_file_close (file);
return newmenu;
}
/* Read the file crypto.lst for auto-loading. */
void
read_crypto_list (const char *prefix)
{
char *filename;
grub_file_t file;
char *buf = NULL;
if (!prefix)
{
grub_errno = GRUB_ERR_NONE;
return;
}
filename = grub_xasprintf ("%s/" GRUB_TARGET_CPU "-" GRUB_PLATFORM
"/crypto.lst", prefix);
if (!filename)
{
grub_errno = GRUB_ERR_NONE;
return;
}
file = grub_file_open (filename);
grub_free (filename);
if (!file)
{
grub_errno = GRUB_ERR_NONE;
return;
}
/* Override previous crypto.lst. */
grub_crypto_spec_free ();
for (;; grub_free (buf))
{
char *p, *name;
struct load_spec *cur;
buf = grub_file_getline (file);
if (! buf)
break;
name = buf;
while (grub_isspace (name[0]))
name++;
p = grub_strchr (name, ':');
if (! p)
continue;
*p = '\0';
p++;
while (*p == ' ' || *p == '\t')
p++;
cur = grub_malloc (sizeof (*cur));
if (!cur)
{
grub_errno = GRUB_ERR_NONE;
continue;
}
cur->name = grub_strdup (name);
if (! name)
{
grub_errno = GRUB_ERR_NONE;
grub_free (cur);
continue;
}
cur->modname = grub_strdup (p);
if (! cur->modname)
{
grub_errno = GRUB_ERR_NONE;
grub_free (cur);
grub_free (cur->name);
continue;
}
cur->next = crypto_specs;
crypto_specs = cur;
}
grub_file_close (file);
grub_errno = GRUB_ERR_NONE;
grub_crypto_autoload_hook = grub_crypto_autoload;
}
/* Read the file command.lst for auto-loading. */
void
read_command_list (const char *prefix)
{
if (prefix)
{
char *filename;
filename = grub_xasprintf ("%s/command.lst", prefix);
if (filename)
{
grub_file_t file;
file = grub_file_open (filename);
if (file)
{
char *buf = NULL;
grub_command_t ptr, last = 0, next;
/* Override previous commands.lst. */
for (ptr = grub_command_list; ptr; ptr = next)
{
next = ptr->next;
if (ptr->func == grub_dyncmd_dispatcher)
{
if (last)
last->next = ptr->next;
else
grub_command_list = ptr->next;
grub_free (ptr);
}
else
last = ptr;
}
for (;; grub_free (buf))
{
char *p, *name, *modname;
grub_command_t cmd;
int prio = 0;
buf = grub_file_getline (file);
if (! buf)
break;
name = buf;
if (*name == '*')
{
name++;
prio++;
}
if (! grub_isgraph (name[0]))
continue;
p = grub_strchr (name, ':');
if (! p)
continue;
*p = '\0';
while (*++p == ' ')
;
if (! grub_isgraph (*p))
continue;
if (grub_dl_get (p))
continue;
name = grub_strdup (name);
if (! name)
continue;
modname = grub_strdup (p);
if (! modname)
{
grub_free (name);
continue;
}
cmd = grub_register_command_prio (name,
grub_dyncmd_dispatcher,
0, N_("not loaded"), prio);
if (! cmd)
{
grub_free (name);
grub_free (modname);
continue;
}
cmd->flags |= GRUB_COMMAND_FLAG_DYNCMD;
cmd->data = modname;
/* Update the active flag. */
grub_command_find (name);
}
grub_file_close (file);
}
grub_free (filename);
}
}
/* Ignore errors. */
grub_errno = GRUB_ERR_NONE;
}
/* Read the file fs.lst for auto-loading. */
void
read_fs_list (const char *prefix)
{
if (prefix)
{
char *filename;
filename = grub_xasprintf ("%s/" GRUB_TARGET_CPU "-" GRUB_PLATFORM
"/fs.lst", prefix);
if (filename)
{
grub_file_t file;
grub_fs_autoload_hook_t tmp_autoload_hook;
/* This rules out the possibility that read_fs_list() is invoked
recursively when we call grub_file_open() below. */
tmp_autoload_hook = grub_fs_autoload_hook;
grub_fs_autoload_hook = NULL;
file = grub_file_open (filename);
if (file)
{
/* Override previous fs.lst. */
while (fs_module_list)
{
grub_named_list_t tmp;
tmp = fs_module_list->next;
grub_free (fs_module_list);
fs_module_list = tmp;
}
while (1)
{
char *buf;
char *p;
char *q;
grub_named_list_t fs_mod;
buf = grub_file_getline (file);
if (! buf)
break;
p = buf;
q = buf + grub_strlen (buf) - 1;
/* Ignore space. */
while (grub_isspace (*p))
p++;
while (p < q && grub_isspace (*q))
*q-- = '\0';
/* If the line is empty, skip it. */
if (p >= q)
{
grub_free (buf);
continue;
}
fs_mod = grub_malloc (sizeof (*fs_mod));
if (! fs_mod)
{
grub_free (buf);
continue;
}
fs_mod->name = grub_strdup (p);
grub_free (buf);
if (! fs_mod->name)
{
grub_free (fs_mod);
continue;
}
fs_mod->next = fs_module_list;
fs_module_list = fs_mod;
}
grub_file_close (file);
grub_fs_autoload_hook = tmp_autoload_hook;
}
grub_free (filename);
}
}
/* Ignore errors. */
grub_errno = GRUB_ERR_NONE;
/* Set the hook. */
grub_fs_autoload_hook = autoload_fs_module;
}
/* Read the file crypto.lst for auto-loading. */
void
read_crypto_list (void)
{
const char *prefix;
char *filename;
grub_file_t file;
char *buf = NULL;
prefix = grub_env_get ("prefix");
if (!prefix)
{
grub_errno = GRUB_ERR_NONE;
return;
}
filename = grub_xasprintf ("%s/crypto.lst", prefix);
if (!filename)
{
grub_errno = GRUB_ERR_NONE;
return;
}
file = grub_file_open (filename);
grub_free (filename);
if (!file)
{
grub_errno = GRUB_ERR_NONE;
return;
}
/* Override previous crypto.lst. */
grub_crypto_spec_free ();
for (;; grub_free (buf))
{
char *p, *name;
struct load_spec *cur;
buf = grub_file_getline (file);
if (! buf)
break;
name = buf;
p = grub_strchr (name, ':');
if (! p)
continue;
*p = '\0';
while (*++p == ' ')
;
cur = grub_malloc (sizeof (*cur));
if (!cur)
{
grub_errno = GRUB_ERR_NONE;
continue;
}
cur->name = grub_strdup (name);
if (! name)
{
grub_errno = GRUB_ERR_NONE;
grub_free (cur);
continue;
}
cur->modname = grub_strdup (p);
if (! cur->modname)
{
grub_errno = GRUB_ERR_NONE;
grub_free (cur);
grub_free (cur->name);
continue;
}
cur->next = crypto_specs;
crypto_specs = cur;
}
grub_file_close (file);
grub_errno = GRUB_ERR_NONE;
grub_crypto_autoload_hook = grub_crypto_autoload;
}