[xfer] Avoid using stack-allocated memory in xfer_printf()
xfer_printf() occasionally has to deal with strings that are
potentially long, such as HTTP URIs with multiple query parameters.
Allocating these on the stack can lead to stack overruns and memory
corruption.
Fix by using vasprintf() instead of a stack allocation.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
The link state is currently set at probe time, and updated only when
the device is polled. This results in the user seeing a misleading
stale "Link: down" message, if autonegotiation did not complete within
the short timespan of the probe routine.
Fix by updating the link state when the device is opened, so that the
message that ends up being displayed to the user reflects the real
link state at device open time.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[netdevice] Allow network device to update link state before checking
If the network interface has only just been opened (e.g. by the "dhcp"
command) then we should allow at least one opportunity for the card to
update the link state before testing it, to avoid false positives.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
There is no explicit SNP API call to determine link state; the SNP
interface user may check the MediaPresent field within the mode data
at any time.
Update the MediaPresent field whenever the link state changes.
Reported-by: Michael R Turner <mikeyt@us.ibm.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[crypto] Allow trusted root certificate to be changed without a rebuild
Changing the trusted root certificate currently requires a rebuild of
the iPXE binary, which may be inconvenient or impractical.
Allow the list of trusted root certificate fingerprints to be
overridden using the "trust" setting, but only at the point of iPXE
initialisation. This prevents untrusted sources of settings
(e.g. DHCP) from subverting the chain of trust, while allowing
trustworthy sources to change the trusted root certificate without
requiring a rebuild.
The basic idea is that if you are able to manipulate a trustworthy
source of settings (e.g. VMware GuestInfo or non-volatile stored
options), then you would be able to replace the iPXE binary anyway,
and so no security is lost by allowing such sources to override the
list of trusted root certificates.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Solaris assumes that there is enough space above the Multiboot modules
to use as a decompression and scratch area. This assumption is
invalid when using iPXE, which places the Multiboot modules near the
top of (32-bit) memory.
Fix by copying the modules to an area of memory immediately following
the loaded kernel.
Debugged-by: Michael Brown <mcb30@ipxe.org>
Debugged-by: Scott McWhirter <scottm@joyent.com>
Tested-by: Robin Smidsrød <robin@smidsrod.no>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE provides no support for manually configuring the link speed.
Provide a generic routine which should be able to reset any MII/GMII
PHY and enable autonegotiation.
Prototyped-by: Thomas Miletich <thomas.miletich@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[util] Add utility to generate list of supported network cards
niclist.pl recursively scans specified source folders and builds a
list of supported NICs by looking for ISA_ROM and PCI_ROM lines and
outputs the list in text, CSV, JSON, HTML or DokuWiki format. Sorting
and column selection is possible.
The pci-utils pci.ids file is fetched from SourceForge once a day to
also output the "official" vendor/device names associated with the PCI
device.
Signed-off-by: Robin Smidsrød <robin@smidsrod.no>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[vmware] Allow settings to be specified in the VMware .vmx file
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>
Allow TFTP to be configured out by moving the next-server setting
definition (which is used by autoboot.c) from tftp.c to settings.c.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[settings] Split fetching and storing out of setting type handlers
Refactor setting type handlers to parse and format values, rather than
storing and fetching formatted values.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[multiboot] Include full image URI in command line
Solaris kernels seem to rely on having the full kernel path present in
the multiboot command line; if only the kernel name is present then
the boot fails with the error message
krtld: failed to open 'unix'
Debugged-by: Michael Brown <mcb30@ipxe.org>
Debugged-by: Scott McWhirter <scottm@joyent.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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>
Add support for 82579-based chips such as those found on Sandy Bridge
motherboards. Based on d3738bb820 in
Linux.
Signed-off-by: Daniel Hokka Zakrisson <daniel@hozac.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[tls] Fix wrong memset in function tls_clear_cipher
sizeof(cipherspec) is obviously wrong in this context, because it will
only zero the first 4 or 8 bytes (cipherspec is a pointer).
This problem was reported by cppcheck.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Use explicit size in memset because 8 bytes must be set always.
This problem was reported by cppcheck.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Using __from_text16() and __from_data16() in inline asm constraints
sometimes defeats gcc's ability to simplify expressions down to
compile-time constants.
Reported-by: Jason Kohles <jkohles@palantir.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE's support for COMBOOT images is now quite outdated; it has not
kept up to date with changes in the COMBOOT API. The primary use for
COMBOOT seems to be for menuing support. Now that we have native iPXE
script-based menus, COMBOOT support can be gracefully retired (with
immense thanks to Daniel Verkamp for having successfully implemented
such an ambitious feature many years ago).
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[console] Ignore unexpected keysyms when generating keyboard maps
I am unable to find any definitive documentation on how Linux keyboard
symbols work. In the absence of any documentation, I'm going to
assume that unexpected keysyms are harmless and should be ignored.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
[umalloc] Unhide umalloc()ed memory region when there are no allocations
At present, we always hide an extra sizeof(struct external_memory), to
account for the header on the lowest allocated block. This header
ceases to exist when there are no allocated blocks remaining.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Michael Brown