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Fixes bug introduced last time where toys.optargs was both snapshotted and used
directly and the two fell out of sync.
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add estrtol() (which clears errno first), and xstrtol() (which error_exit()s on overflow).
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curly brackets.)
He says:
In the channel selection loop, "if (TT.chan)" had been combined with
a strcmp; the else conditionals were premised on if (TT.chan) alone.
The help text had been only partially updated for a couple option changes.
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macros for a disabled command (needed when multiple commands share infrastructure with a common set of flags).
This means the flag space is no longer packed, but leaves gaps where the zeroes
go. (Actual flag bit positions are the same for all configs.) Since the
option parsing needs to know where the holes are, the OPTSTR values are
now generated as part of flags.h with ascii 1 values for the disabled values.
(So generated/oldflags.h went away.)
This also means that the option string argument for OLDTOY() went away, it now
uses the same arguments as the NEWTOY() it references.
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the end and option parsing fell off the end looking for it (segfault) if DEBUG wasn't enabled to check for that.
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random other symbol name (because gnu) and this screws up nontrivial macro expansions of NEWTOY(basename), so work around it in portability.h.
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Thompson).
(The diff looks bigger than it is because of reindenting.)
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two more easy SELinux commands:
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'traceroute' keep swapping places. self-inflicted, yes, but not much i
can do about it :-(
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infrastructure upgrades needed to restore separate catv option.
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the same command.)
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1) Newline in -e after s/// was eaten as "whitespace before flags"
2) \\ needs to be passed through to regex to avoid "trailing \" error and
"\\n" is not a newline.
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MV still requires CP enabled until the flag generation logic gets updated.
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using more accurate ext3/ext4 filesystem sub-type.
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The s/// command would copy the \ of substitutions before deciding what to
do with them (generally overwriting the \ with the new data). When the
substitution was A) at the very end of the new string, B) resolved to nothing,
it could leave a trailing \ that didn't belong there and didn't get overwritten
because the "copy trailing data" part that copies the original string's null
terminator already happened before the \ overwrote it.
The ghostwheel() function restarts regexes after embedded NUL bytes, but
if the string it's passed is _longer_ than the length it's told then it
gets confused (and it means we're off the end of our allocation so segfaults
are likely).
Fix: test for \ first and move the "copy byte" logic into an else case.
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zeroes (nul terminator overwritten).
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warning.
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including that. (Worked until I did a "make clean".)
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The tizen guys wanted this. Yeah, I know there's base64 code in
uuencode/uudecode, but that this has -i, input lines aren't of fixed length,
encode/decode are in same file, there's no prefix/suffix code, it always
writes to stdout... Eliminating the code duplication wouldn't be worth
the if/else I'd have to add, so I just did a new one.
Factored out the base64 table init into lib.c though: that was worth sharing.
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The semantics of strncat() and strncpy() are non-obvious, so let's not use 'em.
Both zero all their remaining buffer space, and with strncat() the size is
the space left at the _end_ of the string (not the size of the buffer) so
it's way too easy to stomp memory you don't own. As long as we have to measure
stuff ourselves to get it right, just use memcpy().
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(it also adds a feature, -R, because toybox makes that so easy.)
you'll probably want fancier configuration here because although the
--as-needed works okay, a typical Ubuntu box will have the .so but not
the .h files. i did consider adding a toys/selinux/ directory, but
given that existing tools like ls and id will want -Z SELinux options,
i wasn't sure whether you'd think it was worth segregating the
SELinux-only toys.
note that this won't help the tizen smack users (and patch for smack
won't help SELinux users). so you might want to think about where
you'd like us to be aiming: #if USE_SELINUX/USE_SMACK in all the
relevant places, or a toys/selinux and a toys/smack (though we'd still
need #if in at least ls and id), or a lib/security.c that concentrates
all the differences into one file?
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messed up.
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A newline after 'b' commands in -e command line patterns was being discarded
as whitespace, a single element regex match on a {} was leaving stale state
for the next line, and giant -e blobs of instructions were saying things
like problem at character 432 (note: nulls inserted for regex processing
aren't always cleaned up, screws up error reporting).
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xfork() to portability.h and #ifdef based on __uClinux__ (which seems to be the nommu compiler define).
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