openbsd-compat/getrrsetbyname-ldns.c openbsd-compat/getrrsetbyname.c]
bz 1320: Add optional support for LDNS, a BSD licensed DNS resolver library
which supports DNSSEC. Patch from Simon Vallet (svallet at genoscope cns fr)
with some rework from myself and djm. ok djm.
[servconf.c servconf.h sshd.c sshd_config.5 sandbox-rlimit.c]
[sandbox-systrace.c sandbox.h configure.ac Makefile.in]
introduce sandboxing of the pre-auth privsep child using systrace(4).
This introduces a new "UsePrivilegeSeparation=sandbox" option for
sshd_config that applies mandatory restrictions on the syscalls the
privsep child can perform. This prevents a compromised privsep child
from being used to attack other hosts (by opening sockets and proxying)
or probing local kernel attack surface.
The sandbox is implemented using systrace(4) in unsupervised "fast-path"
mode, where a list of permitted syscalls is supplied. Any syscall not
on the list results in SIGKILL being sent to the privsep child. Note
that this requires a kernel with the new SYSTR_POLICY_KILL option.
UsePrivilegeSeparation=sandbox will become the default in the future
so please start testing it now.
feedback dtucker@; ok markus@
options, we should corresponding -W-option when trying to determine
whether it is accepted. Also includes a warning fix on the program
fragment uses (bad main() return type).
bz#1900 and bz#1901 reported by g.esp AT free.fr; ok dtucker@
[entropy.c ssh-add.c ssh-agent.c ssh-keygen.c ssh-keyscan.c]
[ssh-keysign.c ssh-pkcs11-helper.c ssh-rand-helper.8 ssh-rand-helper.c]
[ssh.c ssh_prng_cmds.in sshd.c contrib/aix/buildbff.sh]
[regress/README.regress] Remove ssh-rand-helper and all its
tentacles. PRNGd seeding has been rolled into entropy.c directly.
Thanks to tim@ for testing on affected platforms.
- (tim) [configure.ac] Consistent M4 quoting throughout, updated obsolete
AC_TRY_COMPILE with AC_COMPILE_IFELSE, updated obsolete AC_TRY_LINK with
AC_LINK_IFELSE, updated obsolete AC_TRY_RUN with AC_RUN_IFELSE, misc white
space changes for consistency/readability. Makes autoconf 2.68 happy.
"Nice work" djm
openbsd-compat/port-linux.h] Move SELinux-specific code from ssh.c to
port-linux.c to avoid compilation errors. Add -lselinux to ssh when
building with SELinux support to avoid linking failure; report from
amk AT spamfence.net; ok dtucker
RSA_get_default_method() for the benefit of openssl versions that don't
have it (at least openssl-engine-0.9.6b). Found and tested by Kevin Brott,
ok djm@.
[regress/sftp-glob.sh regress/test-exec.sh] Rework how feature tests are
disabled on platforms that do not support them; add a "config_defined()"
shell function that greps for defines in config.h and use them to decide
on feature tests.
Convert a couple of existing grep's over config.h to use the new function
Add a define "FILESYSTEM_NO_BACKSLASH" for filesystem that can't represent
backslash characters in filenames, enable it for Cygwin and use it to turn
of tests for quotes backslashes in sftp-glob.sh.
based on discussion with vinschen AT redhat.com and dtucker@; ok dtucker@
formatter if it is present, followed by nroff and groff respectively.
Fixes distprep target on OpenBSD (which has bumped groff/nroff to ports
in favour of mandoc). feedback and ok tim
