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The first one is an mquery(2) syscall. It's for asking the VM system
about where to map things. It will be used by ld.so, read the man page
for details.
The second change is related and is a centralization of uvm_map hint
that all callers of uvm_map calculated. This will allow us to adjust
this hint on architectures that have segments for non-exec mappings.
deraadt@ drahn@ ok.
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now build libraries with propolice enabled. Without this, existing
binaries (such as ports/packages) that link with any system library
other than libc will fail with an undefined symbol of "___guard"
(__guard on ELF).
Pointed out by markus@ and discussed with deraadt@
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attack protection scheme, into gcc.
This protection is enabled by default. It can be turned off by using the
-fno-stack-protector flag.
Code by Hiroaki Etoh (etoh at jp dot ibm dot com); work on openbsd-specific
integration by fgsch@, deraadt@ and myself; tests by fgsch@, naddy@ and
myself; beer drinking by myself.
Please note that system upgrades with this new code will require a new
libc and ld.so to be build and installed before the propolice-enabled
compiler can be installed.
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putchar_unlocked. Crank the minor on related libs. OK fgs@, deraadt@
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ok millert@
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to such, permitting them to be discovered, instead of exploited as the ssh
crc insertion detector was. Idea by theo, written by tdeval.
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ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf, ok deraadt@
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Needed for cap_mkdb to really DRT when given several input files or
an output file with a different name from the input file.
cvs: ----------------------------------------------------------------------
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things like rm can't remove files with ridiculously long path names
that were created by some script kiddie trying in vain to exploit
something. Previously, the length was effectively constrained to
USHRT_MAX due to one of the internal structs. Also, nuke FTS_CHDIRROOT
since it never worked correctly and hasn't been documented for a
long time.
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Ok'd deraadt@, millert@
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which will come later. At this stage it is primarily used for setting
resource limits.
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strtofflags/fflagstostr to convert file flags
to/from binary from/into a string as used in chflags(1).
use u_int32_t instead of u_long (as freebsd does).
increase libc minor.
millert@ ok.
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increase shlib minor.
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that EFAULT return value is possible
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fstatfs(2), and getfsstat(2) so you will need to build a new kernel
before doing a "make build" or you will get "unimplemented syscall" errors.
The new struct statfs has the following featuires:
o Has a u_int32_t flags field--now softdep can have a real flag.
o Uses u_int32_t instead of longs (nicer on the alpha). Note: the man
page used to lie about setting invalid/unused fields to -1. SunOS does
that but our code never has.
o Gets rid of f_type completely. It hasn't been used since NetBSD 0.9
and having it there but always 0 is confusing. It is conceivable
that this may cause some old code to not compile but that is better
than silently breaking.
o Adds a mount_info union that contains the FSTYPE_args struct. This
means that "mount" can now tell you all the options a filesystem was
mounted with. This is especially nice for NFS.
Other changes:
o The linux statfs emulation didn't convert between BSD fs names
and linux f_type numbers. Now it does, since the BSD f_type
number is useless to linux apps (and has been removed anyway)
o FreeBSD's struct statfs is different from our (both old and new)
and thus needs conversion. Previously, the OpenBSD syscalls
were used without any real translation.
o mount(8) will now show extra info when invoked with no arguments.
However, to see *everything* you need to use the -v (verbose) flag.
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