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Fixes build on IRIX. bz#3081.
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This fixes builds on platforms that don't have it (at least old DragonFly,
probably others).
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We shipped a BSD implementation of realpath() because sftp-server
depended on its behaviour.
OpenBSD is now moving to a more strictly POSIX-compliant realpath(2),
so sftp-server now unconditionally requires its own BSD-style realpath
implementation. As such, there is no need to carry another independant
implementation in openbsd-compat.
ok dtucker@
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Add getline for the benefit of platforms that don't have it. Sourced
from NetBSD (OpenBSD's implementation is a little too chummy with the
internals of FILE).
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The code required to support it is quite invasive to the mainline
code that is synced with upstream and is an ongoing maintenance burden.
Both the hardware and software are literal museum pieces these days and
we could not find anyone still running OpenSSH on one.
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Ahead of adding rdomain support
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ok dtucker@
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recallocarray() needs getpagesize() so add a tiny replacement for that.
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These commented-out includes have "Still needed?" comments. Since
they've been commented out for ~13 years I assert that they're not.
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We no longer need to wrap/replace mmap for portability now that
pre-auth compression has been removed from OpenSSH.
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Since -portable switched to git the CVS $Id tags are no longer being
updated and are becoming increasingly misleading. Remove them.
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Mechanically strip trailing whitespace on files not synced with OpenBSD
(or in the case of bsd-snprint.c, rsync).
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Some AIX compilers unconditionally undefine va_copy but don't set it back
to an internal function, causing link errors. In some compat code we
already use VA_COPY instead so move the two existing instances into the
shared header and use for sshbuf-getput-basic.c too. Should fix building
with at lease some versions of AIX's compiler. bz#2589, ok djm@
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If we don't have wcwidth force fallback implementations of nl_langinfo
and mbtowc. Based on advice from Ingo Schwarze.
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This reverts commit 14c887c8393adde2d9fd437d498be30f8c98535c.
dtucker beat me to it :/
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Move glob.h from includes.h to the only caller (sftp) and override the
names for the symbols. This prevents name collisions with the system glob
in the case where something other than ssh uses it (eg kerberos). With
jjelen at redhat.com, ok djm@
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On some platforms the native realpath doesn't work with non-existent
files (this is actually specified in some versions of POSIX), however
the sftp spec says its realpath with "canonicalize any given path name".
On those platforms, use realpath from the compat library.
In addition, when compiling with -DFORTIFY_SOURCE, glibc redefines
the realpath symbol to the checked version, so redefine ours to
something else so we pick up the compat version we want.
bz#2428, ok djm@
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This might help with the reported problem cross compiling for Android
("error: expected identifier or '(' before numeric constant") but
shouldn't hurt in any case.
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Disables and removes dependency on OpenSSL. Many features don't
work and the set of crypto options is greatly restricted. This
will only work on system with native arc4random or /dev/urandom.
Considered highly experimental for now.
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[openbsd-compat/openbsd-compat.h] Kludge around bad glibc
_FORTIFY_SOURCE check that doesn't grok heap-allocated fd_sets;
ok dtucker@
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[auth2-chall.c authfd.c authfile.c bufaux.c bufec.c canohost.c]
[channels.c cipher-chachapoly.c clientloop.c configure.ac hostfile.c]
[kexc25519.c krl.c monitor.c sandbox-systrace.c session.c]
[sftp-client.c ssh-keygen.c ssh.c sshconnect2.c sshd.c sshlogin.c]
[openbsd-compat/explicit_bzero.c openbsd-compat/openbsd-compat.h]
replace most bzero with explicit_bzero, except a few that cna be memset
ok djm dtucker
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[openbsd-compat/blf.h openbsd-compat/blowfish.c]
[openbsd-compat/openbsd-compat.h] Start at supporting bcrypt_pbkdf in
portable.
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arc4random_stir for platforms that have arc4random but don't have
arc4random_stir (right now this is only OpenBSD -current).
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platforms that don't have multibyte character support (specifically,
mblen).
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openbsd-compat/openbsd-compat.h] Add compat bits for scan_scaled.
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openbsd-compat/openbsd-compat.h] pull in getopt.h from openbsd and plumb
in to use it when we're using our own getopt.
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group strto* function prototypes together.
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openbsd-compat/openbsd-compat.h] Add strtoull to compat library for
platforms that don't have it.
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openbsd-compat/bsd-setres_id.c openbsd-compat/bsd-setres_id.h
openbsd-compat/openbsd-compat.h] Move the fallback code for setting uids
and gids from uidswap.c to the compat library, which allows it to work with
the new setresuid calls in auth2-pubkey. with tim@, ok djm@
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[openbsd-compat/inet_ntop.c]
fix inet_ntop(3) prototype; ok millert@ libc to be bumbed very soon
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[misc.c misc.h configure.ac openbsd-compat/openbsd-compat.h]
[openbsd-compat/timingsafe_bcmp.c]
Add timingsafe_bcmp(3) to libc, mention that it's already in the
kernel in kern(9), and remove it from OpenSSH.
ok deraadt@, djm@
NB. re-added under openbsd-compat/ for portable OpenSSH
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openbsd-compat/openbsd-compat.h openbsd-compat/strptime.c] Add strptime to
the compat library which helps on platforms like old IRIX. Based on work
by djm, tested by Tom Christensen.
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Tim.
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and group_from_gid.
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openbsd-compat/Makefile.in openbsd-compat/openbsd-compat.h
openbsd-compat/bsd-statvfs.{c,h}] Add a null implementation of statvfs and
fstatvfs and remove #defines around statvfs code. ok djm@
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[openbsd-compat/fmt_scaled.c openbsd-compat/openbsd-compat.h]
Fix compilation on Linux, including pulling in fmt_scaled(3)
implementation from OpenBSD's libutil.
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[configure.ac] Implement arc4random_buf(), import implementation of
arc4random_uniform() from OpenBSD
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openbsd-compat/bsd-poll.{c,h} openbsd-compat/openbsd-compat.h]
Add an implementation of poll() built on top of select(2). Code from
OpenNTPD with changes suggested by djm. ok djm@
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declaration of writev(2) and declare it ourselves if necessary. Makes
the atomiciov() calls build on really old systems. ok djm@
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