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the loop in main() already checks EOF, and errno is
properly handled at the end of main()
we only need to call ferror(), to check error state
this fixes a bogus error message when pressing ctrl+D
to terminate the program, *which is the intended way
to terminate this program* (that, or EOF is reached
in any other another way)
do not treat intended behaviour as an error condition!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i've build-tested this code with clang and that also
works. in practise, a user is going to have clang or gcc
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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make it more obvious that this *is* a ring buffer being
handled, and make it more obvious when checking a pulse
in the next frame
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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This reverts commit a4ea2867319471d9fe7d4ee540881e0286b4d3cf.
The licensing audit has been abandoned. I will not be re-licensing
in bulk to MIT.
I can still use MIT license on new works, e.g. utilities, but there's
really no pressing need to re-license lbmk. It's just shell scripts,
and most of what it interacts with (coreboot, grub, seabios) is GPL
anyway.
So who cares?
Ferass's patch was removed due to refusal to re-license, but the
decision to re-license has been canceled.
I'm now aiming for a quick stable release.
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SD card' (#78) from nic3-14159/lbmk:e6400-sd-card-patch into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/78
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This fixes the PCI interrupt routing tables for the E6400 so that the SD
card works. It is already merged in upstream but libreboot has not yet
updated coreboot.
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nic3-14159/lbmk:fix-lbmk into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/77
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- A spurious semicolon caused the arguments to printf in die() to be
executed instead of printed
- ${@} in die() needs to be in quotes or else printf prints each word on
a separate line
- The number of arguments to main() does not include main itself so it
should be comparing against 1 instead of 2 to determine if enough
arguments were supplied.
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i forked spkmodem-recv from coreboot, who forked it from
gnu grub. gnu grub's version has the full header, with
copyright declared as belonging to the fsf
coreboot made changes after forking it, and later replaced
the license declaration with an equivalent SPDX header, but
they also removed the FSF's copyright declaration, which by
itself does not void the declaration
anyway, i just feel better re-adding the full declaration.
make it so!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Riku_V/lbmk:hp8200sff_4mb into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/72
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nic3-14159/lbmk:update_bios_extract into master
Reviewed-on: https://codeberg.org/libreboot/lbmk/pulls/74
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My patches are now merged in upstream so
just use that and drop the patch files.
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The last bit wasn't being handled, *and* ascii_bit
wasn't being reduced at all.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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there's no point passing it as argument to a
function. it's used across more than one function,
so make it global
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's currently a build-time option
make it a runtime option instead, so that every
user can optionally make use of it, on all builds
Signed-off-by: Leah Rowe <leah@libreboot.org>
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thus, there's no need to handle flushing of stdout
whatsoever, and the code can be greatly simplified
ascii bits are still reset, when no input on stdin
is given
Signed-off-by: Leah Rowe <leah@libreboot.org>
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when spkmodem-recv doesn't receive anything (via stdout)
after a few frames, it's assumed that the console is dead
and the buffered output is flushed
this logic is assumed superfluous when -u is set
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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the logic for *setting* a character, and the logic
for outputting it, ought to be separate. do that.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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my style was: 2 tabs. bsd-style, for extending a line, is
4 spaces. this style has grown on me, so let's do it here
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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my style of C programming is this: always return errno
upon exit from the program, or from a thread.
handle errno in the calling/forking function.
returning errno at the end of main has this intention:
if an unhandled error occured, the program exits with
non-zero status.
a correctly written program should *never* return non-zero
at the end of main, and if it does, this indicates a bug
in the code (per my code style / philosophy).
so, warn the user with a message if this occurs. the
intention is that this message should never be printed.
do not use assert() for this. i don't believe in that.
such a test should always be present, for everyone.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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This version of spkmodem uses err() to indicate an error,
and the value of errno is used as exit status at all times,
even when it is zero.
When calling err(), it is intended that errno always be
non-zero, so modify the code accordingly.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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also be more thorough about errno value when calling
pledge. rename variable in a for loop for clarity.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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when calling fread(), errno may be set to EOVEFLOW if
the range being read will cause an integer overflow
if end-of-file is reached, errno may not be set. when
calling this function, you must check errno or check
feof() - ferror() should also be checked, so this check
is added immediately afterwards in the code
ferror() does not set errno, so ERR() is used to set
errno to ECANCELED as program exit status
further separate reading of frames into a new function
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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The mentality behind pledge and unveil is that you should
think ahead, so that large parts of code can run under
extremely tight restrictions.
The pledge calls have been adjusted accordingly, also.
Disallow all unveil calls after the gbe file and the
file /dev/urandom have been unveiled.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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also remove wpath if using the dump command
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in practise, no other condition would be met and the
program still worked. this is a pre-emptive fix.
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Also hardened the pledges.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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This replaces a check in the function for O_RDONLY, and
fixes the bug where the "dump" command triggers such error.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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*Open* files at the start, then unveil. The same overall
behaviour is observed. In the case that invalid arguments
are given, simply opening a file does not cause much
performance impact (if any).
Restrict operations as early as possible in code.
Bonus:
writeGbeFile also hardened; if flags is O_RDONLY, it aborts.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i screwed up in an earlier commit
this change fixes a bug where on rhex(), each
call would re-open /dev/urandom, resetting rfd
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in practise, the file was never written unless the checksum
was valid, but in the same of sloccount reduction i made it
do the swap/copy before checking. while functionally ok, it
never sat right with me. this is one example of where sloc
count doesn't mean everything. code correctness is critical
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the style was already quite similar, but extended lines in
bsd are indented by 4 spaces instead of a tab. this style
has grown on me, so i'm adopting it here
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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