david/ipxe
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ipxe/src/config/config.c
Michael Brown 518a98eb56 [http] Rewrite HTTP core to support content encodings 
Rewrite the HTTP core to allow for the addition of arbitrary content
encoding mechanisms, such as PeerDist and gzip.

The core now exposes http_open() which can be used to create requests
with an explicitly selected HTTP method, an optional requested content
range, and an optional request body.  A simple wrapper provides the
preexisting behaviour of creating either a GET request or an
application/x-www-form-urlencoded POST request (if the URI includes
parameters).

The HTTP SAN interface is now implemented using the generic block
device translator.  Individual blocks are requested using http_open()
to create a range request.

Server connections are now managed via a connection pool; this allows
for multiple requests to the same server (e.g. for SAN blocks) to be
completely unaware of each other.  Repeated HTTPS connections to the
same server can reuse a pooled connection, avoiding the per-connection
overhead of establishing a TLS session (which can take several seconds
if using a client certificate).

Support for HTTP SAN booting and for the Basic and Digest
authentication schemes is now optional and can be controlled via the
SANBOOT_PROTO_HTTP, HTTP_AUTH_BASIC, and HTTP_AUTH_DIGEST build
configuration options in config/general.h.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2015-08-17 13:24:33 +01:00

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <config/general.h>
#include <config/console.h>
#include <config/sideband.h>
#include <config/settings.h>
/** @file
*
* Configuration options
*
* This file contains macros that pull various objects into the link
* based on definitions in configuration header files. Ideally it
* should be the only place in iPXE where one might need to use #ifdef
* for compile-time options.
*
* In the fairly common case where an object should only be considered
* for inclusion if the subsystem it depends on is present, its
* configuration macros should be placed in a file named
* <tt>config_<i>subsystem</i>.c</tt>, where @e subsystem is the
* object basename of the main source file for that subsystem. The
* build system will pull in that file if @c subsystem.c is included
* in the final iPXE executable built.
*/
PROVIDE_REQUIRING_SYMBOL();
/*
* Drag in all requested console types
*
*/
#ifdef CONSOLE_PCBIOS
REQUIRE_OBJECT ( bios_console );
#endif
#ifdef CONSOLE_SERIAL
REQUIRE_OBJECT ( serial );
#endif
#ifdef CONSOLE_DIRECT_VGA
REQUIRE_OBJECT ( video_subr );
#endif
#ifdef CONSOLE_PC_KBD
REQUIRE_OBJECT ( pc_kbd );
#endif
#ifdef CONSOLE_SYSLOG
REQUIRE_OBJECT ( syslog );
#endif
#ifdef CONSOLE_SYSLOGS
REQUIRE_OBJECT ( syslogs );
#endif
#ifdef CONSOLE_EFI
REQUIRE_OBJECT ( efi_console );
#endif
#ifdef CONSOLE_LINUX
REQUIRE_OBJECT ( linux_console );
#endif
#ifdef CONSOLE_VMWARE
REQUIRE_OBJECT ( vmconsole );
#endif
#ifdef CONSOLE_DEBUGCON
REQUIRE_OBJECT ( debugcon );
#endif
#ifdef CONSOLE_VESAFB
REQUIRE_OBJECT ( vesafb );
#endif
#ifdef CONSOLE_INT13
REQUIRE_OBJECT ( int13con );
#endif
/*
* Drag in all requested network protocols
*
*/
#ifdef NET_PROTO_IPV4
REQUIRE_OBJECT ( ipv4 );
#endif
#ifdef NET_PROTO_IPV6
REQUIRE_OBJECT ( ipv6 );
#endif
/*
* Drag in all requested PXE support
*
*/
#ifdef PXE_MENU
REQUIRE_OBJECT ( pxemenu );
#endif
#ifdef PXE_STACK
REQUIRE_OBJECT ( pxe_call );
#endif
/*
* Drag in all requested download protocols
*
*/
#ifdef DOWNLOAD_PROTO_TFTP
REQUIRE_OBJECT ( tftp );
#endif
#ifdef DOWNLOAD_PROTO_HTTP
REQUIRE_OBJECT ( http );
#endif
#ifdef DOWNLOAD_PROTO_HTTPS
REQUIRE_OBJECT ( https );
#endif
#ifdef DOWNLOAD_PROTO_FTP
REQUIRE_OBJECT ( ftp );
#endif
#ifdef DOWNLOAD_PROTO_NFS
REQUIRE_OBJECT ( nfs_open );
#endif
#ifdef DOWNLOAD_PROTO_SLAM
REQUIRE_OBJECT ( slam );
#endif
/*
* Drag in all requested SAN boot protocols
*
*/
#ifdef SANBOOT_PROTO_ISCSI
REQUIRE_OBJECT ( iscsi );
#endif
#ifdef SANBOOT_PROTO_HTTP
REQUIRE_OBJECT ( httpblock );
#endif
/*
* Drag in all requested resolvers
*
*/
#ifdef DNS_RESOLVER
REQUIRE_OBJECT ( dns );
#endif
/*
* Drag in all requested image formats
*
*/
#ifdef IMAGE_NBI
REQUIRE_OBJECT ( nbi );
#endif
#ifdef IMAGE_ELF
REQUIRE_OBJECT ( elfboot );
#endif
#ifdef IMAGE_MULTIBOOT
REQUIRE_OBJECT ( multiboot );
#endif
#ifdef IMAGE_PXE
REQUIRE_OBJECT ( pxe_image );
#endif
#ifdef IMAGE_SCRIPT
REQUIRE_OBJECT ( script );
#endif
#ifdef IMAGE_BZIMAGE
REQUIRE_OBJECT ( bzimage );
#endif
#ifdef IMAGE_ELTORITO
REQUIRE_OBJECT ( eltorito );
#endif
#ifdef IMAGE_COMBOOT
REQUIRE_OBJECT ( comboot );
REQUIRE_OBJECT ( com32 );
REQUIRE_OBJECT ( comboot_call );
REQUIRE_OBJECT ( com32_call );
REQUIRE_OBJECT ( com32_wrapper );
REQUIRE_OBJECT ( comboot_resolv );
#endif
#ifdef IMAGE_EFI
REQUIRE_OBJECT ( efi_image );
#endif
#ifdef IMAGE_SDI
REQUIRE_OBJECT ( sdi );
#endif
#ifdef IMAGE_PNM
REQUIRE_OBJECT ( pnm );
#endif
#ifdef IMAGE_PNG
REQUIRE_OBJECT ( png );
#endif
/*
* Drag in all requested commands
*
*/
#ifdef AUTOBOOT_CMD
REQUIRE_OBJECT ( autoboot_cmd );
#endif
#ifdef NVO_CMD
REQUIRE_OBJECT ( nvo_cmd );
#endif
#ifdef CONFIG_CMD
REQUIRE_OBJECT ( config_cmd );
#endif
#ifdef IFMGMT_CMD
REQUIRE_OBJECT ( ifmgmt_cmd );
#endif
/* IWMGMT_CMD is brought in by net80211.c if requested */
#ifdef ROUTE_CMD
REQUIRE_OBJECT ( route_cmd );
#endif
#ifdef IMAGE_CMD
REQUIRE_OBJECT ( image_cmd );
#endif
#ifdef IMAGE_TRUST_CMD
REQUIRE_OBJECT ( image_trust_cmd );
#endif
#ifdef DHCP_CMD
REQUIRE_OBJECT ( dhcp_cmd );
#endif
#ifdef SANBOOT_CMD
REQUIRE_OBJECT ( sanboot_cmd );
#endif
#ifdef MENU_CMD
REQUIRE_OBJECT ( menu_cmd );
#endif
#ifdef LOGIN_CMD
REQUIRE_OBJECT ( login_cmd );
#endif
#ifdef TIME_CMD
REQUIRE_OBJECT ( time_cmd );
#endif
#ifdef DIGEST_CMD
REQUIRE_OBJECT ( digest_cmd );
#endif
#ifdef PXE_CMD
REQUIRE_OBJECT ( pxe_cmd );
#endif
#ifdef LOTEST_CMD
REQUIRE_OBJECT ( lotest_cmd );
#endif
#ifdef VLAN_CMD
REQUIRE_OBJECT ( vlan_cmd );
#endif
#ifdef POWEROFF_CMD
REQUIRE_OBJECT ( poweroff_cmd );
#endif
#ifdef REBOOT_CMD
REQUIRE_OBJECT ( reboot_cmd );
#endif
#ifdef CPUID_CMD
REQUIRE_OBJECT ( cpuid_cmd );
#endif
#ifdef SYNC_CMD
REQUIRE_OBJECT ( sync_cmd );
#endif
#ifdef NSLOOKUP_CMD
REQUIRE_OBJECT ( nslookup_cmd );
#endif
#ifdef PCI_CMD
REQUIRE_OBJECT ( pci_cmd );
#endif
#ifdef PARAM_CMD
REQUIRE_OBJECT ( param_cmd );
#endif
#ifdef NEIGHBOUR_CMD
REQUIRE_OBJECT ( neighbour_cmd );
#endif
#ifdef PING_CMD
REQUIRE_OBJECT ( ping_cmd );
#endif
#ifdef CONSOLE_CMD
REQUIRE_OBJECT ( console_cmd );
#endif
#ifdef IPSTAT_CMD
REQUIRE_OBJECT ( ipstat_cmd );
#endif
#ifdef PROFSTAT_CMD
REQUIRE_OBJECT ( profstat_cmd );
#endif
/*
* Drag in miscellaneous objects
*
*/
#ifdef NULL_TRAP
REQUIRE_OBJECT ( nulltrap );
#endif
#ifdef GDBSERIAL
REQUIRE_OBJECT ( gdbidt );
REQUIRE_OBJECT ( gdbserial );
REQUIRE_OBJECT ( gdbstub_cmd );
#endif
#ifdef GDBUDP
REQUIRE_OBJECT ( gdbidt );
REQUIRE_OBJECT ( gdbudp );
REQUIRE_OBJECT ( gdbstub_cmd );
#endif
/*
* Drag in objects that are always required, but not dragged in via
* symbol dependencies.
*
*/
REQUIRE_OBJECT ( device );
REQUIRE_OBJECT ( embedded );
/* linux drivers aren't picked up by the parserom utility so drag them in here */
#ifdef DRIVERS_LINUX
REQUIRE_OBJECT ( tap );
#endif
/*
* Drag in relevant sideband entry points
*/
#ifdef CONFIG_BOFM
#ifdef BOFM_EFI
REQUIRE_OBJECT ( efi_bofm );
#endif /* BOFM_EFI */
#endif /* CONFIG_BOFM */
/*
* Drag in relevant settings sources
*/
#ifdef PCI_SETTINGS
REQUIRE_OBJECT ( pci_settings );
#endif
#ifdef VMWARE_SETTINGS
REQUIRE_OBJECT ( guestinfo );
#endif
#ifdef CPUID_SETTINGS
REQUIRE_OBJECT ( cpuid_settings );
#endif
#ifdef MEMMAP_SETTINGS
REQUIRE_OBJECT ( memmap_settings );
#endif
#ifdef VRAM_SETTINGS
REQUIRE_OBJECT ( vram_settings );
#endif
/*
* Drag in selected keyboard map
*/
#define REQUIRE_KEYMAP_OBJECT( _map ) REQUIRE_OBJECT ( keymap_ ## _map )
#define REQUIRE_KEYMAP( _map ) REQUIRE_KEYMAP_OBJECT ( _map )
REQUIRE_KEYMAP ( KEYBOARD_MAP );
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