static PyObject *bits__putenv(PyObject *self, PyObject *args)
{
const char *key, *value;
if (!PyArg_ParseTuple(args, "ss:putenv", &key, &value))
return NULL;
if (grub_env_set(key, value) != GRUB_ERR_NONE || grub_env_export(key) != GRUB_ERR_NONE)
return PyErr_SetFromErrno(PyExc_OSError);
return Py_BuildValue("");
}
static grub_err_t
grub_env_new_context (int export_all)
{
struct grub_env_context *context;
int i;
struct menu_pointer *menu;
context = grub_zalloc (sizeof (*context));
if (! context)
return grub_errno;
menu = grub_zalloc (sizeof (*menu));
if (! menu)
{
grub_free (context);
return grub_errno;
}
context->prev = grub_current_context;
grub_current_context = context;
menu->prev = current_menu;
current_menu = menu;
/* Copy exported variables. */
for (i = 0; i < HASHSZ; i++)
{
struct grub_env_var *var;
for (var = context->prev->vars[i]; var; var = var->next)
if (var->global || export_all)
{
if (grub_env_set (var->name, var->value) != GRUB_ERR_NONE)
{
grub_env_context_close ();
return grub_errno;
}
grub_env_export (var->name);
grub_register_variable_hook (var->name, var->read_hook, var->write_hook);
}
}
return GRUB_ERR_NONE;
}
/* Run a menu entry. */
static void
grub_menu_execute_entry(grub_menu_entry_t entry, int auto_boot)
{
grub_err_t err = GRUB_ERR_NONE;
int errs_before;
grub_menu_t menu = NULL;
char *optr, *buf, *oldchosen = NULL, *olddefault = NULL;
const char *ptr, *chosen, *def;
grub_size_t sz = 0;
if (entry->restricted)
err = grub_auth_check_authentication (entry->users);
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
return;
}
errs_before = grub_err_printed_errors;
chosen = grub_env_get ("chosen");
def = grub_env_get ("default");
if (entry->submenu)
{
grub_env_context_open ();
menu = grub_zalloc (sizeof (*menu));
if (! menu)
return;
grub_env_set_menu (menu);
if (auto_boot)
grub_env_set ("timeout", "0");
}
for (ptr = entry->id; *ptr; ptr++)
sz += (*ptr == '>') ? 2 : 1;
if (chosen)
{
oldchosen = grub_strdup (chosen);
if (!oldchosen)
grub_print_error ();
}
if (def)
{
olddefault = grub_strdup (def);
if (!olddefault)
grub_print_error ();
}
sz++;
if (chosen)
sz += grub_strlen (chosen);
sz++;
buf = grub_malloc (sz);
if (!buf)
grub_print_error ();
else
{
optr = buf;
if (chosen)
{
optr = grub_stpcpy (optr, chosen);
*optr++ = '>';
}
for (ptr = entry->id; *ptr; ptr++)
{
if (*ptr == '>')
*optr++ = '>';
*optr++ = *ptr;
}
*optr = 0;
grub_env_set ("chosen", buf);
grub_env_export ("chosen");
grub_free (buf);
}
for (ptr = def; ptr && *ptr; ptr++)
{
if (ptr[0] == '>' && ptr[1] == '>')
{
ptr++;
continue;
}
if (ptr[0] == '>')
break;
}
if (ptr && ptr[0] && ptr[1])
grub_env_set ("default", ptr + 1);
else
grub_env_unset ("default");
grub_script_execute_sourcecode (entry->sourcecode, entry->argc, entry->args);
if (errs_before != grub_err_printed_errors)
grub_wait_after_message ();
if (grub_errno == GRUB_ERR_NONE && grub_loader_is_loaded ())
/* Implicit execution of boot, only if something is loaded. */
grub_command_execute ("boot", 0, 0);
if (entry->submenu)
{
if (menu && menu->size)
{
grub_show_menu (menu, 1, auto_boot);
grub_normal_free_menu (menu);
}
grub_env_context_close ();
}
if (oldchosen)
grub_env_set ("chosen", oldchosen);
else
grub_env_unset ("chosen");
if (olddefault)
grub_env_set ("default", olddefault);
else
grub_env_unset ("default");
grub_env_unset ("timeout");
}
struct grub_net_network_level_interface *
grub_net_configure_by_dhcp_ack (const char *name,
struct grub_net_card *card,
grub_net_interface_flags_t flags,
const struct grub_net_bootp_packet *bp,
grub_size_t size,
int is_def, char **device, char **path)
{
grub_net_network_level_address_t addr;
grub_net_link_level_address_t hwaddr;
struct grub_net_network_level_interface *inter;
int mask = -1;
addr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
addr.ipv4 = bp->your_ip;
if (device)
*device = 0;
if (path)
*path = 0;
grub_memcpy (hwaddr.mac, bp->mac_addr,
bp->hw_len < sizeof (hwaddr.mac) ? bp->hw_len
: sizeof (hwaddr.mac));
hwaddr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;
inter = grub_net_add_addr (name, card, &addr, &hwaddr, flags);
#if 0
/* This is likely based on misunderstanding. gateway_ip refers to
address of BOOTP relay and should not be used after BOOTP transaction
is complete.
See RFC1542, 3.4 Interpretation of the 'giaddr' field
*/
if (bp->gateway_ip)
{
grub_net_network_level_netaddress_t target;
grub_net_network_level_address_t gw;
char *rname;
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
target.ipv4.base = bp->server_ip;
target.ipv4.masksize = 32;
gw.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
gw.ipv4 = bp->gateway_ip;
rname = grub_xasprintf ("%s:gw", name);
if (rname)
grub_net_add_route_gw (rname, target, gw);
grub_free (rname);
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
target.ipv4.base = bp->gateway_ip;
target.ipv4.masksize = 32;
grub_net_add_route (name, target, inter);
}
#endif
if (size > OFFSET_OF (boot_file, bp))
grub_env_set_net_property (name, "boot_file", bp->boot_file,
sizeof (bp->boot_file));
if (is_def)
grub_net_default_server = 0;
if (is_def && !grub_net_default_server && bp->server_ip)
{
grub_net_default_server = grub_xasprintf ("%d.%d.%d.%d",
((grub_uint8_t *) &bp->server_ip)[0],
((grub_uint8_t *) &bp->server_ip)[1],
((grub_uint8_t *) &bp->server_ip)[2],
((grub_uint8_t *) &bp->server_ip)[3]);
grub_print_error ();
}
if (is_def)
{
grub_env_set ("net_default_interface", name);
grub_env_export ("net_default_interface");
}
if (device && !*device && bp->server_ip)
{
*device = grub_xasprintf ("tftp,%d.%d.%d.%d",
((grub_uint8_t *) &bp->server_ip)[0],
((grub_uint8_t *) &bp->server_ip)[1],
((grub_uint8_t *) &bp->server_ip)[2],
((grub_uint8_t *) &bp->server_ip)[3]);
grub_print_error ();
}
if (size > OFFSET_OF (server_name, bp)
&& bp->server_name[0])
{
grub_env_set_net_property (name, "dhcp_server_name", bp->server_name,
sizeof (bp->server_name));
if (is_def && !grub_net_default_server)
{
grub_net_default_server = grub_strdup (bp->server_name);
grub_print_error ();
}
if (device && !*device)
{
*device = grub_xasprintf ("tftp,%s", bp->server_name);
grub_print_error ();
}
}
if (size > OFFSET_OF (boot_file, bp) && path)
{
*path = grub_strndup (bp->boot_file, sizeof (bp->boot_file));
grub_print_error ();
if (*path)
{
char *slash;
slash = grub_strrchr (*path, '/');
if (slash)
*slash = 0;
else
**path = 0;
}
}
if (size > OFFSET_OF (vendor, bp))
parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp), &mask);
grub_net_add_ipv4_local (inter, mask);
inter->dhcp_ack = grub_malloc (size);
if (inter->dhcp_ack)
{
grub_memcpy (inter->dhcp_ack, bp, size);
inter->dhcp_acklen = size;
}
else
grub_errno = GRUB_ERR_NONE;
return inter;
}
