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* [block] Allow use of a non-default EFI SAN boot filenameMichael Brown2017-04-121-3/+8
| | | | | | | | | | | | | | | | | | | | | | | Some older operating systems (e.g. RHEL6) use a non-default filename on the root disk and rely on setting an EFI variable to point to the bootloader. This does not work when performing a SAN boot on a machine where the EFI variable is not present. Fix by allowing a non-default filename to be specified via the "sanboot --filename" option or the "san-filename" setting. For example: sanboot --filename \efi\redhat\grub.efi \ iscsi:192.168.0.1::::iqn.2010-04.org.ipxe.demo:rhel6 or option ipxe.san-filename code 188 = string; option ipxe.san-filename "\\efi\\redhat\\grub.efi"; option root-path "iscsi:192.168.0.1::::iqn.2010-04.org.ipxe.demo:rhel6"; Originally-implemented-by: Vishvananda Ishaya Abrams <vish.ishaya@oracle.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [block] Add basic multipath supportMichael Brown2017-03-261-15/+15
| | | | | | | | | | | Add basic support for multipath block devices. The "sanboot" and "sanhook" commands now accept a list of SAN URIs. We open all URIs concurrently. The first connection to become available for issuing block device commands is marked as the active path and used for all subsequent commands; all other connections are then closed. Whenever the active path fails, we reopen all URIs and repeat the process. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [time] Allow timer to be selected at runtimeMichael Brown2017-01-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | Allow the active timer (providing udelay() and currticks()) to be selected at runtime based on probing during the INIT_EARLY stage of initialisation. TICKS_PER_SEC is now a fixed compile-time constant for all builds, and is independent of the underlying clock tick rate. We choose the value 1024 to allow multiplications and divisions on seconds to be converted to bit shifts. TICKS_PER_MS is defined as 1, allowing multiplications and divisions on milliseconds to be omitted entirely. The 2% inaccuracy in this definition is negligible when using the standard BIOS timer (running at around 18.2Hz). TIMER_RDTSC now checks for a constant TSC before claiming to be a usable timer. (This timer can be tested in KVM via the command-line option "-cpu host,+invtsc".) Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add certificate management commandsMichael Brown2016-08-311-0/+304
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Remove more obsolete explicit object requirementsMichael Brown2016-07-291-6/+0Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Remove obsolete explicit object requirementsMichael Brown2016-07-291-4/+0Star
| | | | | | | | As of commit b1caa48 ("[crypto] Support SHA-{224,384,512} in X.509 certificates"), the list of supported cryptographic algorithms is controlled by config/crypto.h. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [image] Use image_asn1() to extract data from CMS signature imagesMichael Brown2016-07-291-0/+1
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "ntp" commandMichael Brown2016-06-131-0/+81
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [lotest] Add option to use broadcast packets for loopback testingMichael Brown2016-05-231-1/+6
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [infiniband] Add "ibstat" commandMichael Brown2016-03-081-0/+79
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [legal] Relicense files under GPL2_OR_LATER_OR_UBDLMichael Brown2015-03-051-1/+5
| | | | | | | | | | | Relicense files with kind permission from Stefan Hajnoczi <stefanha@redhat.com> alongside the contributors who have already granted such relicensing permission. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [build] Fix the REQUIRE_SYMBOL mechanismMichael Brown2015-03-051-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* [legal] Relicense files under GPL2_OR_LATER_OR_UBDLMichael Brown2015-03-022-2/+10
| | | | | | | | | | | | | | | Relicence files with kind permission from the following contributors: Alex Williamson <alex.williamson@redhat.com> Eduardo Habkost <ehabkost@redhat.com> Greg Jednaszewski <jednaszewski@gmail.com> H. Peter Anvin <hpa@zytor.com> Marin Hannache <git@mareo.fr> Robin Smidsrød <robin@smidsrod.no> Shao Miller <sha0.miller@gmail.com> Thomas Horsten <thomas@horsten.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [legal] Relicense files under GPL2_OR_LATER_OR_UBDLMichael Brown2015-03-0222-22/+110
| | | | | | | Relicense files for which I am the sole author (as identified by util/relicense.pl). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ping] Allow "ping" command output to be inhibitedMichael Brown2014-10-231-1/+5
| | | | | Originally-implemented-by: Cedric Levasseur <cyr-ius@ipocus.net> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ping] Allow termination after a specified number of packetsMichael Brown2014-10-231-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | Add the "-c <count>" option to the "ping" command, allowing for automatic termination after a specified number of packets. When a number of packets is specified: - if a serious error (i.e. length mismatch or content mismatch) occurs, then the ping will be immediately terminated with the relevant status code; - if at least one response is received successfully, and all errors are non-serious (i.e. timeouts or out-of-sequence responses), then the ping will be terminated after the final response (or timeout) with a success status; - if no responses are received successfully, then the ping will be terminated after the final timeout with ETIMEDOUT. If no number of packets is specified, then the ping will continue until manually interrupted. Originally-implemented-by: Cedric Levasseur <cyr-ius@ipocus.net> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "profstat" command to display profiling statisticsMichael Brown2014-04-281-0/+70
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [image] Add "--timeout" parameter to image downloading commandsMichael Brown2014-03-104-9/+22
| | | | | | | | | | | | | | | | | | iPXE will detect timeout failures in several situations: network link-up, DHCP, TCP connection attempts, unacknowledged TCP data, etc. This does not cover all possible circumstances. For example, if a connection to a web server is successfully established and the web server acknowledges the HTTP request but never sends any data in response, then no timeout will be triggered. There is no timeout defined within the HTTP specifications, and the underlying TCP connection will not generate a timeout since it has no way to know that the HTTP layer is expecting to receive data from the server. Add a "--timeout" parameter to "imgfetch", "chain", etc. If no progress is made (i.e. no data is downloaded) within the timeout period, then the download will be aborted. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add the "ipstat" commandMichael Brown2014-03-031-0/+70
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [params] Use reference counters for form parameter listsMichael Brown2014-02-271-2/+4
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Always clear screen after reconfiguring consoleMichael Brown2014-01-221-0/+5
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add margin options to the "console" commandMichael Brown2014-01-221-0/+8
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Rename "console" command's --bpp option to --depthMichael Brown2014-01-221-2/+2
| | | | | | | | | | Rename the "--bpp" option to "--depth", to free up the single-letter option "-b" for "--bottom" in preparation for adding margin support. This does not break backwards compatibility with documented features, since the "console" command has not yet been documented. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add the "colour" and "cpair" commandsMichael Brown2013-12-091-0/+125
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Explicitly separate the concept of a completed fetched settingMichael Brown2013-12-052-14/+13Star
| | | | | | | | | | The fetch_setting() family of functions may currently modify the definition of the specified setting (e.g. to add missing type information). Clean up this interface by requiring callers to provide an explicit buffer to contain the completed definition of the fetched setting, if required. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "console" command to configure consoleMichael Brown2013-11-281-0/+125
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Generate command option help text automaticallyMichael Brown2013-11-0716-67/+69
| | | | | | | Generate the command option help text automatically from the list of defined options. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Make "dhcp" command a synonym for "ifconf"Michael Brown2013-11-052-49/+2Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "ifconf" commandMichael Brown2013-11-051-0/+59
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Allow "if<xxx>" commands to take optionsMichael Brown2013-11-054-52/+121
| | | | | | | Allow commands implemented using ifcommon_exec() to accept command-specific options. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Rewrite "sync" command to use monojob_wait()Michael Brown2013-11-011-2/+2
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [parseopt] Add parse_timeout()Michael Brown2013-11-013-11/+9Star
| | | | | | | | Parsing a timeout value (specified in milliseconds) into an internal timeout value measured in timer ticks is a common operation. Provide a parse_timeout() value to carry out this conversion automatically. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "ping" commandMichael Brown2013-10-211-0/+100
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "nstat" commandMichael Brown2013-09-251-0/+69
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "params" and "param" commands to manage form parameter listsMichael Brown2013-08-191-0/+162
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "pciscan" command to allow iteration over PCI devicesMichael Brown2013-08-051-0/+114
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "inc" commandMichael Brown2013-08-011-0/+72
| | | | | | | | The "inc" command allows the numeric value of a setting to be incremented, allowing for the construction of simple loops within an iPXE script. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Eliminate calls to {fetch,store}f_named_setting() in NVO commandsMichael Brown2013-07-221-40/+56
| | | | | | | | | | | | | | | | | A deliberate side effect of this commit is that the "read" command will now preserve the type of the setting, if the setting name contains no type information. For example: iPXE> set foo:ipv4 192.168.0.1 iPXE> read foo 192.168.0.100 iPXE> show foo foo:ipv4 = 192.168.0.100 rather than the arguably unexpected behaviour of resetting the type to "string". Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Eliminate call to storef_named_setting() in choose_exec()Michael Brown2013-07-221-5/+12
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [parseopt] Move parse_settings() to parseopt.cMichael Brown2013-07-221-22/+0Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [parseopt] Allow parsed option to be modifiedMichael Brown2013-07-224-10/+9Star
| | | | | | | Parsing a setting name requires the ability to modify the text being parsed. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [ifmgmt] Avoid relying on global variable within ifcommon_exec()Michael Brown2013-07-151-4/+3Star
| | | | | | | | | | | | | | | The getopt API defines optind as a global variable. When used by the "autoboot" command, the payload function passed to ifcommon_exec() may result in a new iPXE script being executed; the commands therein would then overwrite the value of optind. On returning, ifcommon_exec() would continue processing the list of interfaces from an undefined point. Fix by using a local variable to hold the index within the list of interfaces. Reported-by: Robin Smidsrød <robin@smidsrod.no> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add "poweroff" commandMarin Hannache2013-07-151-0/+72
| | | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Marin Hannache <git@mareo.fr> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add ability to perform a warm rebootMichael Brown2013-03-221-4/+11
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [efi] Add "reboot" command for EFIMichael Brown2013-03-221-0/+67
| | | | | | | | | Abstract out the ability to reboot the system to a separate reboot() function (with platform-specific implementations), add an EFI implementation, and make the existing "reboot" command available under EFI. Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [readline] Allow readline_history() to return a meaningful statusMichael Brown2012-10-251-5/+9
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Prefill existing setting value in "read" commandMichael Brown2012-10-251-8/+22
| | | | | | | | When prompting the user to enter a setting value via the "read" command, prefill the input buffer with the setting's current value. Requested-by: Ján Ondrej (SAL) <ondrejj@salstar.ks> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [cmdline] Add standalone "nslookup" commandPatrick Plenefisch2012-09-101-0/+79
| | | | | Modified-by: Michael Brown <mcb30@ipxe.org> Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [settings] Use a generic setting's own type as its default typeMichael Brown2012-09-102-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When fetching a named setting using a name that does not explicitly specify a type, default to using the type stored when the setting was created, rather than always defaulting to "string". This allows the behaviour of user-defined settings to match the behaviour of predefined settings (which have a sensible default type). For example: set server:ipv4 192.168.0.1 echo ${server} will now print "192.168.0.1", rather than trying to print out the raw IPv4 address bytes as a string. The downside of this change is that existing tricks for printing special characters within scripts may require (backwards-compatible) modification. For example, the "clear screen" sequence: set esc:hex 1b set cls ${esc}[2J echo ${cls} will now have to become set esc:hex 1b set cls ${esc:string}[2J # Must now explicitly specify ":string" echo ${cls} Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [legal] Update FSF mailing address in GPL licence textsMichael Brown2012-07-2019-19/+38
| | | | | Suggested-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
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