Commit Graph

81 Commits

Author SHA1 Message Date
Doug Rabson
486bddb033 Fix some 64bit truncation problems which crept into SYSCTL_LONG() with the
last cleanup.  Since the oid_arg2 field of struct sysctl_oid is not wide
enough to hold a long, the SYSCTL_LONG() macro has been modified to only
support exporting long variables by pointer instead of by value.

Reviewed by: bde
1998-12-27 18:03:29 +00:00
Don Lewis
2b648ac0a1 Add a generic flag, CTLFLAG_SECURE, which can be used to mark a sysctl
variable unwriteable when securelevel > 0.
Reviewed by: jdp, eivind
1998-12-13 07:19:13 +00:00
Archie Cobbs
2127f26023 Examine all occurrences of sprintf(), strcat(), and str[n]cpy()
for possible buffer overflow problems. Replaced most sprintf()'s
with snprintf(); for others cases, added terminating NUL bytes where
appropriate, replaced constants like "16" with sizeof(), etc.

These changes include several bug fixes, but most changes are for
maintainability's sake. Any instance where it wasn't "immediately
obvious" that a buffer overflow could not occur was made safer.

Reviewed by:	Bruce Evans <bde@zeta.org.au>
Reviewed by:	Matthew Dillon <dillon@apollo.backplane.com>
Reviewed by:	Mike Spengler <mks@networkcs.com>
1998-12-04 22:54:57 +00:00
Peter Wemm
aa855a598d *gulp*. Jordan specifically OK'ed this..
This is the bulk of the support for doing kld modules.  Two linker_sets
were replaced by SYSINIT()'s.  VFS's and exec handlers are self registered.
kld is now a superset of lkm.  I have converted most of them, they will
follow as a seperate commit as samples.
This all still works as a static a.out kernel using LKM's.
1998-10-16 03:55:01 +00:00
Bruce Evans
e99ea9ec2b Ignore the statically configured vfs type numbers and assign vfs
type numbers in vfs attach order (modulo incomplete reuse of old
numbers after vfs LKMs are unloaded).  This requires reinitializing
the sysctl tree (or at least the vfs subtree) for vfs's that support
sysctls (currently only nfs).  sysctl_order() already handled
reinitialization reasonably except it checked for annulled self
references in the wrong place.

Fixed sysctls for vfs LKMs.
1998-09-05 17:13:28 +00:00
Bruce Evans
134e06fe71 Fixed bogotification of pseudocode for syscall args by rev.1.53 of
syscalls.master.
1998-09-05 14:30:11 +00:00
Doug Rabson
069e9bc1b4 Change various syscalls to use size_t arguments instead of u_int.
Add some overflow checks to read/write (from bde).

Change all modifications to vm_page::flags, vm_page::busy, vm_object::flags
and vm_object::paging_in_progress to use operations which are not
interruptable.

Reviewed by: Bruce Evans <bde@zeta.org.au>
1998-08-24 08:39:39 +00:00
Eivind Eklund
5591b823d1 Make COMPAT_43 and COMPAT_SUNOS new-style options. 1997-12-16 17:40:42 +00:00
Poul-Henning Kamp
cb226aaa62 Move the "retval" (3rd) parameter from all syscall functions and put
it in struct proc instead.

This fixes a boatload of compiler warning, and removes a lot of cruft
from the sources.

I have not removed the /*ARGSUSED*/, they will require some looking at.

libkvm, ps and other userland struct proc frobbing programs will need
recompiled.
1997-11-06 19:29:57 +00:00
Poul-Henning Kamp
a1c995b626 Last major round (Unless Bruce thinks of somthing :-) of malloc changes.
Distribute all but the most fundamental malloc types.  This time I also
remembered the trick to making things static:  Put "static" in front of
them.

A couple of finer points by:	bde
1997-10-12 20:26:33 +00:00
Poul-Henning Kamp
55166637cd Distribute and statizice a lot of the malloc M_* types.
Substantial input from:	bde
1997-10-11 18:31:40 +00:00
Bruce Evans
4e7506495b Include <sys/buf.h> instead of <sys/vnode.h>. kern_sysctl.c no
longer has anything to do with vnodes and never had anything to do
with buffers, but it needs the definitions of B_READ and B_WRITE
for use with the bogus useracc() interface and was getting them
bogusly due to excessive cleanups in rev.1.49.
1997-04-09 15:23:09 +00:00
Peter Wemm
6875d25465 Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not
ready for it yet.
1997-02-22 09:48:43 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
Bruce Evans
1fbf1f7140 Fixed garbage being returned for constant int values, e.g., for
KERN_SAVED_IDS.

Should be in 2.2.

Reviewed by:	phk
Found by:	NIST-PCTS
1996-12-15 14:38:46 +00:00
Bruce Evans
3f6a052a89 Fixed bogus casts (const on the wrong *' in **') in a qsort-comparision
function.
1996-09-03 22:26:31 +00:00
Bruce Evans
09a8dfa260 Don't depend in the kernel on the gcc feature of doing arithmetic on
pointers of type `void *'.  Warn about this in future.
1996-08-31 14:48:13 +00:00
Nate Williams
1c346c7092 Implemented 'kern_sysctl', which differs from 'userland_sysctl' in that
it assumes all of the data exists in the kernel.  Also, fix
sysctl_new-kernel (unused until now) which had reversed operands to
bcopy().

Reviewed by:	phk

Poul writes:
... actually the lock/sleep/wakeup cruft shouldn't be needed in the
kernel version I think, but just leave it there for now.
1996-06-10 16:23:42 +00:00
Poul-Henning Kamp
7a69d9230f If handler function returns EAGAIN, restart operation. 1996-06-06 17:17:54 +00:00
Poul-Henning Kamp
61220614a8 Fix a longstanding bug and a buglet of no significance.
Now net.ipx works.

Noticed by:	John Hay -- John.Hay@csir.co.za
1996-04-13 13:28:54 +00:00
Poul-Henning Kamp
45ec3b3838 Move the "mib" variables out to their own file. 1996-04-07 13:03:06 +00:00
Jeffrey Hsu
04d41bbeb7 From Lite2: rename fs to vfs.
Reviewed by:	davidg & bde
1996-03-11 02:18:23 +00:00
Peter Wemm
a1d2540fa0 Fix the reversed source and dest args to bcopy() in the kernel space
sysctl handler (ouch!)

Add a "const" qualifier to the source of the copyin() and copyout()
functions - the other const warning in kern_sysctl.c was silenced when
copyout was declared as having a const source.. (which it is)
1996-01-01 17:05:07 +00:00
Poul-Henning Kamp
3ac9f819ae Add an obscure feature, needed for debugging. 1995-12-17 21:11:22 +00:00
Poul-Henning Kamp
87b6de2b76 A Major staticize sweep. Generates a couple of warnings that I'll deal
with later.
A number of unused vars removed.
A number of unused procs removed or #ifdefed.
1995-12-14 08:32:45 +00:00
David Greenman
efeaf95a41 Untangled the vm.h include file spaghetti. 1995-12-07 12:48:31 +00:00
Poul-Henning Kamp
65d0bc1387 A couple of minor tweaks to the sysctl stuff. 1995-12-06 13:27:39 +00:00
Bruce Evans
4cb03b1b55 Include <vm/vm.h> or <vm/vm_page.h> explicitly to avoid breaking when
vnode_if.h doesn't include vm stuff.
1995-12-05 21:51:45 +00:00
Poul-Henning Kamp
946bb7a268 A major sweep over the sysctl stuff.
Move a lot of variables home to their own code (In good time before xmas :-)

Introduce the string descrition of format.

Add a couple more functions to poke into these marvels, while I try to
decide what the correct interface should look like.

Next is adding vars on the fly, and sysctl looking at them too.

Removed a tine bit of defunct and #ifdefed notused code in swapgeneric.
1995-12-04 16:48:58 +00:00
Poul-Henning Kamp
4b2af45f4b Mega commit for sysctl.
Convert the remaining sysctl stuff to the new way of doing things.
the devconf stuff is the reason for the large number of files.
Cleaned up some compiler warnings while I were there.
1995-11-20 12:42:39 +00:00
Poul-Henning Kamp
5204129576 All net.* sysctl converted now. 1995-11-16 19:00:27 +00:00
Poul-Henning Kamp
43f242265a Do what is generally belived to be the right thing, though it may not be :-) 1995-11-14 20:43:29 +00:00
Poul-Henning Kamp
d457bade76 Final part of this bunch of sysctl commits: cleanup. 1995-11-14 09:42:22 +00:00
Poul-Henning Kamp
af8364b0ad Get rid of the last debug sysctl variables of the old style. 1995-11-14 09:40:06 +00:00
Poul-Henning Kamp
9565c0e60d Get rid of hostnamelen variable. 1995-11-14 09:37:22 +00:00
Poul-Henning Kamp
a9ad941c7a Move all the VM sysctl stuff home where it belongs. 1995-11-14 09:29:34 +00:00
Poul-Henning Kamp
16cd04a3b8 A couple of nitpicks. 1995-11-14 09:26:17 +00:00
Poul-Henning Kamp
f7152c81a0 Convert dumpdev & securelevel. 1995-11-14 09:22:15 +00:00
Poul-Henning Kamp
549a075acc KERN_MAXFILESPERPROC, KERN_MAXFILES went to another file. 1995-11-14 09:17:32 +00:00
Poul-Henning Kamp
27aef04699 Get rid of domainnamelen. 1995-11-14 09:10:54 +00:00
Poul-Henning Kamp
a52752a457 Move KERN_NTP to a more suitable file. 1995-11-14 09:07:14 +00:00
Poul-Henning Kamp
45a4ad1146 Move the process-table stuff to a more suitable file.
Remove filetable stuff from kern_sysctl.c
1995-11-14 09:05:40 +00:00
Poul-Henning Kamp
deae269ab1 Try to make my new scheme work more along the lines of the manual.
There are still some gray areas here and there.
1995-11-13 13:54:09 +00:00
Poul-Henning Kamp
ae0eb976c5 The entire sysctl callback to read/write version. I havn't tested this as
much as I'd like to, but the malloc stunt I tried for an interim for
sure does worse.
Now we can read and write from any kind of address-space, not only
user and kernel, using callbacks.
This may be over-generalization for now, but it's actually simpler.
1995-11-12 19:52:09 +00:00
Bruce Evans
d2d3e8751c Included <sys/sysproto.h> to get central declarations for syscall args
structs and prototypes for syscalls.

Ifdefed duplicated decentralized declarations of args structs.  It's
convenient to have this visible but they are hard to maintain.  Some
are already different from the central declarations.  4.4lite2 puts
them in comments in the function headers but I wanted to avoid the
large changes for that.
1995-11-12 06:43:28 +00:00
Bruce Evans
3c8e79dd2b Fixed type of sysctl_order_cmp().
KNFized sysctl_order_cmp().
Staticized definition of kern_sysctl() to match its declaration.
1995-11-11 00:09:21 +00:00
Poul-Henning Kamp
69feb38841 Fix a minor buglet. 1995-11-10 16:22:41 +00:00
Poul-Henning Kamp
6ff1bbebdf convert more sysctl variables. 1995-11-10 09:58:53 +00:00
Poul-Henning Kamp
b8da239623 Make the old compat functions use the sysctl front door, rather than
crashing through the walls.
This should save Peters blood pressure and netscapes uname call.
1995-11-09 20:22:12 +00:00
Poul-Henning Kamp
787d58f201 Fix some of the sysctl broke, and add a lot more to it. 1995-11-08 08:48:36 +00:00