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* [shell] Enable "shell" command even when BANNER_TIMEOUT is zeroMichael Brown2017-08-011-0/+3
| | | | | | | | | | | Setting BANNER_TIMEOUT to zero removes the only symbol reference to shell.o, causing the "shell" command to become unavailable. Add SHELL_CMD in config/general.h (enabled by default) which will explicitly drag in shell.o regardless of the value of BANNER_TIMEOUT. Reported-by: Julian Brost <julian@0x4a42.net> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [acpi] Expose ACPI tables via settings mechanismMichael Brown2017-05-231-0/+3
| | | | | | | | | | | | | | | | | | | | | | | Allow values to be read from ACPI tables using the syntax ${acpi/<signature>.<index>.0.<offset>.<length>} where <signature> is the ACPI table signature as a 32-bit hexadecimal number (e.g. 0x41504093 for the 'APIC' signature on the MADT), <index> is the index into the array of tables matching this signature, <offset> is the byte offset within the table, and <length> is the field length in bytes. Numeric values are returned in reverse byte order, since ACPI numeric values are usually little-endian. For example: ${acpi/0x41504943.0.0.0.0} - entire MADT table in raw hex ${acpi/0x41504943.0.0.0x0a.6:string} - MADT table OEM ID ${acpi/0x41504943.0.0.0x24.4:uint32} - local APIC address Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add certificate management commandsMichael Brown2016-08-311-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [pixbuf] Enable PNG format by defaultMichael Brown2016-07-291-6/+0Star
| | | | | | | Enable IMAGE_PNG (but not IMAGE_PNM) by default, and drag in the relevant objects only when image_pixbuf() is present in the binary. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [crypto] Enable both DER and PEM formats by defaultMichael Brown2016-07-291-6/+0Star
| | | | | | | | | | Enable both IMAGE_DER and IMAGE_PEM by default, and drag in the relevant objects only when image_asn1() is present in the binary. This allows "imgverify" to transparently use either DER or PEM signature files. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [crypto] Add PEM image formatMichael Brown2016-07-291-0/+3
| | | | | | | | | | | Add PEM-encoded ASN.1 as an image format. We accept as PEM any image containing a line starting with a "-----BEGIN" boundary marker. We allow for PEM files containing multiple ASN.1 objects, such as a certificate chain produced by concatenating individual certificate files. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [crypto] Add DER image formatMichael Brown2016-07-291-0/+3
| | | | | | | | Add DER-encoded ASN.1 as an image format. There is no fixed signature for DER files. We treat an image as DER if it comprises a single valid SEQUENCE object covering the entire length of the image. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "ntp" commandMichael Brown2016-06-131-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Generalise CONSOLE_VESAFB to CONSOLE_FRAMEBUFFERMichael Brown2015-10-161-9/+0Star
| | | | | | | | | | | The name "vesafb" is intrinsically specific to a BIOS environment. Generalise the build configuration option CONSOLE_VESAFB to CONSOLE_FRAMEBUFFER, in preparation for adding EFI framebuffer support. Existing configurations using CONSOLE_VESAFB will continue to work. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [http] Rewrite HTTP core to support content encodingsMichael Brown2015-08-171-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* [serial] Use new UART abstraction in serial console driverMichael Brown2015-06-291-1/+1
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [int13con] Add basic ability to log to a local disk via INT 13Michael Brown2015-05-191-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | Several popular public cloud providers do not provide any sensible mechanism for obtaining debug output from an OS which is failing to boot. For example, Amazon EC2 provides the "Get System Log" facility, which occasionally deigns to report a random subset of the characters emitted via the VM's serial port, but usually returns only a blank screen. (Amazingly, this is still superior to the debugging facilities provided by Azure.) Work around these shortcomings by adding a console type which sends output to a magically detected raw disk partition, and including such a partition within any iPXE .usb-format image. To use this facility: - build an iPXE .usb image with CONSOLE_INT13 enabled - boot the cloud VM from this image - after the boot fails, attach the VM's boot disk to a second VM - from this second VM, use "less -f -R /dev/sdb3" (or similar) to view the iPXE output. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [vram] Add "vram" built-in setting to dump video RAMMichael Brown2015-04-241-0/+3
| | | | | | | | | | | | | | | | | | | | The "vram" setting returns the (Base64-encoded) contents of video RAM, and can be used to capture a screenshot. For example: after running memtest.0 and encountering an error, the output can be captured and sent to a remote server for later diagnosis: #!ipxe chain -a http://server/memtest.0 && goto ok || goto bad :bad params param errno ${errno} param vram ${vram} chain -a http://server/report.php##params :ok Inspired-by: Christian Nilsson <nikize@gmail.com> Originally-implemented-by: Christian Nilsson <nikize@gmail.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Fix the REQUIRE_SYMBOL mechanismMichael Brown2015-03-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | At some point in the past few years, binutils became more aggressive at removing unused symbols. To function as a symbol requirement, a relocation record must now be in a section marked with @progbits and must not be in a section which gets discarded during the link (either via --gc-sections or via /DISCARD/). Update REQUIRE_SYMBOL() to generate relocation records meeting these criteria. To minimise the impact upon the final binary size, we use existing symbols (specified via the REQUIRING_SYMBOL() macro) as the relocation targets where possible. We use R_386_NONE or R_X86_64_NONE relocation types to prevent any actual unwanted relocation taking place. Where no suitable symbol exists for REQUIRING_SYMBOL() (such as in config.c), the macro PROVIDE_REQUIRING_SYMBOL() can be used to generate a one-byte-long symbol to act as the relocation target. If there are versions of binutils for which this approach fails, then the fallback will probably involve killing off REQUEST_SYMBOL(), redefining REQUIRE_SYMBOL() to use the current definition of REQUEST_SYMBOL(), and postprocessing the linked ELF file with something along the lines of "nm -u | wc -l" to check that there are no undefined symbols remaining. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Remove obsolete and unused portions of config.cMichael Brown2015-03-041-28/+0Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [legal] Relicense files under GPL2_OR_LATER_OR_UBDLMichael Brown2015-03-021-1/+5
| | | | | | | | | | These files cannot be automatically relicensed by util/relicense.pl since they either contain unusual but trivial contributions (such as the addition of __nonnull function attributes), or contain lines dating back to the initial git revision (and so require manual knowledge of the code's origin). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [legal] Include full licence text for all GPL2_OR_LATER filesMichael Brown2015-02-261-2/+12
| | | | | | | | Add the standard warranty disclaimer and Free Software Foundation address paragraphs to the licence text where these are not currently present. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "profstat" command to display profiling statisticsMichael Brown2014-04-281-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add the "ipstat" commandMichael Brown2014-03-031-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [png] Add support for PNG imagesMichael Brown2014-01-121-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [vesafb] Add VESA frame buffer consoleMichael Brown2013-11-281-0/+3
| | | | | | | | | | | The VESA frame buffer console uses the VESA BIOS extensions (VBE) to enumerate video modes, selects an appropriate mode, and then hands off to the generic frame buffer code. The font is extracted from the VGA BIOS, avoiding the need to provide an external font file. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "console" command to configure consoleMichael Brown2013-11-281-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [pnm] Add support for PNM imagesMichael Brown2013-11-271-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "ping" commandMichael Brown2013-10-211-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "nstat" commandMichael Brown2013-09-251-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ipv6] Replace IPv6 stackMichael Brown2013-09-031-0/+3
| | | | | | | | | | | | | | | | Replace the existing partially-implemented IPv6 stack with a fresh implementation. This implementation is not yet complete. The IPv6 transmit and receive datapaths are functional (including fragment reassembly and parsing of arbitrary extension headers). NDP neighbour solicitations and advertisements are supported. ICMPv6 echo is supported. At present, only link-local addresses may be used, and there is no way to specify an IPv6 address as part of a URI (either directly or via a DNS lookup). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "params" and "param" commands to manage form parameter listsMichael Brown2013-08-191-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Expose memory map via settings mechanismMichael Brown2013-08-121-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow memory map entries to be read using the syntax ${memmap/<region>.<properties>.<scale>} where <region> is the index of the memory region, <properties> is a bitmask where bit 0 represents the start address and bit 1 represents the length (allowing the end address to be encoded by having both bits 0 and 1 set), and <scale> is the number of bits by which to shift the result. This allows for several values of interest to be encoded. For example: ${memmap/<region>.1.0:hexraw} # 64-bit start address of <region> ${memmap/<region>.2.0:hexraw} # 64-bit length of <region>, in bytes ${memmap/<region>.3.0:hexraw} # 64-bit end address of <region> ${memmap/<region>.2.10:int32} # Length of <region>, in kB ${memmap/<region>.2.20:int32} # Length of <region>, in MB The numeric encoding is slightly more sophisticated than described here, allowing a single encoding to cover multiple regions. (See the source code for details.) The primary use case for this feature is to provide the total system memory size (in MB) via the "memsize" predefined setting. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Expose CPUID instruction via settings mechanismMichael Brown2013-08-071-0/+3
| | | | | | | | | | | | | | | | | | | | | | | Allow CPUID values to be read using the syntax ${cpuid/<register>.<function>} For example, ${cpuid/2.0x80000001} will give the value of %ecx after calling CPUID with %eax=0x80000001. Values for <register> are encoded as %eax=0, %ebx=1, %ecx=2, %edx=3. The numeric encoding is more sophisticated than described above, allowing for settings such as the CPU model (obtained by calling CPUID with %eax=0x80000002-0x80000004 inclusive and concatenating the values returned in %eax:%ebx:%ecx:%edx). See the source code for details. The "cpuvendor" and "cpumodel" settings provide easy access to these more complex CPUID settings. This functionality is intended to complement the "cpuid" command, which allows for testing individual CPUID feature bits. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "pciscan" command to allow iteration over PCI devicesMichael Brown2013-08-051-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [nfs] Add support for NFS protocolMarin Hannache2013-07-151-0/+3
| | | | | | Tested-by: Robin Smidsrød <robin@smidsrod.no> Signed-off-by: Marin Hannache <git@mareo.fr> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "poweroff" commandMarin Hannache2013-07-151-0/+3
| | | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Marin Hannache <git@mareo.fr> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Expose PCI configuration space via settings mechanismMichael Brown2013-07-131-0/+3
| | | | | | | | | | | | | | | | Allow values to be read from PCI configuration space using the syntax ${pci/<busdevfn>.<offset>.<length>} where <busdevfn> is the bus:dev.fn address of the PCI device (expressed as a single integer, as returned by ${net0/busloc}), <offset> is the offset within PCI configuration space, and <length> is the length within PCI configuration space. Values are returned in reverse byte order, since PCI configuration space is little-endian by definition. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Add config/settings.hMichael Brown2013-07-131-1/+6
| | | | | | | | | | Move VMWARE_SETTINGS build configuration option from config/sideband.h to a new config/settings.h. Existing instances of config/local/sideband.h will not be affected, since config.c still #includes config/sideband.h. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [console] Add support for the bochs/qemu debug port consoleMichael Brown2012-09-101-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add standalone "nslookup" commandPatrick Plenefisch2012-09-101-0/+3
| | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [sdi] Add support for SDI imagesMichael Brown2012-09-051-0/+3
| | | | | | | Add support (disabled by default) for booting .sdi images as used by Windows XP Embedded. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "sync" commandMichael Brown2012-06-091-0/+3
| | | | | | | Add "sync" command (loosely based on the Unix "sync"), which will wait for any pending operations to complete. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "cpuid" commandMichael Brown2012-06-071-0/+3
| | | | | | | Allow x86 CPU feature flags (such as support for 64-bit mode) to be checked using the "cpuid" command. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [image] Remove non-working image loadersMarin Hannache2012-04-241-9/+0Star
| | | | | | | | | | The WinCE, a.out and FreeBSD loaders are designed to be #included by core/loader.c, which no longer exists. These old loaders are not usable anymore and cause compilation failures when enabled in config/general.h. Signed-off-by: Marin Hannache <mareo@mareo.fr> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [vmware] Allow settings to be specified in the VMware .vmx fileMichael Brown2012-04-171-1/+4
| | | | | | | | | | | | | Allow iPXE settings to be specified in the .vmx file via the VMware GuestInfo mechanism. For example: guestinfo.ipxe.filename = "http://boot.ipxe.org/demo/boot.php" guestinfo.ipxe.dns = "192.168.0.1" guestinfo.ipxe.net0.ip = "192.168.0.15" guestinfo.ipxe.net0.netmask = "255.255.255.0" guestinfo.ipxe.net0.gateway = "192.168.0.1" Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [tftp] Remove configuration option for tftmMarin Mareo Hannache2012-04-101-3/+0Star
| | | | | | | DOWNLOAD_PROTO_TFTM is now useless as tftm support has been merged into tftp.c. DOWNLOAD_PROTO_TFTP should be used instead. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [syslog] Add basic support for encrypted syslog via TLSMichael Brown2012-04-101-0/+3
| | | | | | | Encrypted syslog seems not yet to be standardised, but is supported by some existing syslog servers. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [menu] Add menu commandsMichael Brown2012-03-291-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow iPXE scripts to create menus. For example: #!ipxe menu iSCSI boot demonstration item install Install Fedora to ${root-path} item --default boot Boot from ${root-path} item shell Enter iPXE shell item exit Exit to BIOS choose label && goto ${label} :boot sanboot ${root-path} :install sanhook ${root-path} chain http://${next-server}/fedora.ipxe :shell shell :exit Inspired-by: Robin Smidsrød <robin@smidsrod.no> Tested-by: Robin Smidsrød <robin@smidsrod.no> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [console] Remove unused "btext" consoleMichael Brown2012-03-261-3/+0Star
| | | | | | The "btext" console has been disabled by a "#if 0" since 2007. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [image] Add the "imgtrust" and "imgverify" commandsMichael Brown2012-03-251-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [vmware] Add VMware logfile console (CONSOLE_VMWARE)Michael Brown2012-02-291-0/+3
| | | | | | | Allow iPXE console output to be sent to the VMware logfile via the GuestRPC mechanism. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [console] Add keyboard map selectionMichael Brown2011-03-161-0/+7
| | | | | | | The active keyboard map may be selected by editing KEYBOARD_MAP in config/console.h. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [bofm] Add support for BOFM under EFIMichael Brown2011-03-031-0/+10
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "reboot" commandMichael Brown2010-12-091-0/+3
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
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