e3f99a9397
Pass the vnode type to vaccess(), and use it when checking VEXEC. Make sure
...
that the mode bits passed to vaccess() and returned by foo_getattr() contain
only permission bits.
1997-05-08 16:19:43 +00:00
d7f33c5e60
va_mode contains stat bits. Use S_IS[UG]ID rather than VS[UG]ID.
1997-05-08 10:19:10 +00:00
b34794e10f
Do not return success when checking for execute permission by super-user and no
...
execute bits are set. Also, this test is no longer needed in execve(2).
1997-04-23 20:18:16 +00:00
cb9c71d716
Back out last change: just return EACCESS for any non-VREG file.
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Fixes PR/3472 from Matthias Pfaller.
1997-04-10 19:45:40 +00:00
e01c3bbe05
Return EISDIR for directories, not EACCES.
1997-03-14 06:12:11 +00:00
7de1b7c8eb
only set P_SUGID once.
1997-01-07 10:41:02 +00:00
e7af2a8237
* catch up with system call argument type fixups/const poisoning.
...
* Fix arguments to various copyin()/copyout() invocations, to avoid
gratuitous casts.
* Some KNF formatting fixes
1996-12-22 10:21:06 +00:00
3b34cba879
exec vnode locking protocol changes: in a nutshell, don't keep vnodes
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locked for any longer than we have to.
1996-09-30 23:18:43 +00:00
2f42e5b8ed
fix some typos and clean up some comments.
1996-09-26 23:34:46 +00:00
09afd77655
More proto fixes
1996-02-09 18:59:18 +00:00
8a5b1b92e2
First pass at prototyping
1996-02-04 02:15:01 +00:00
feb42498e3
If we abort, make sure to free ep_emul_arg.
1995-12-09 04:11:00 +00:00
245f292fed
Prefix names of system call implementation functions with `sys_'.
1995-10-07 06:25:19 +00:00
60024eb978
Make system calls conform to a standard prototype and bring those
...
prototypes into scope.
1995-09-19 21:40:36 +00:00
7de0fcfd12
Add KTR_EMUL to indicate a switch between syscall emulations.
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Currently this record is emitted only on exec. Maybe it should
be emitted on ktrace() attach too.
1995-07-19 15:19:08 +00:00
bfd22ffde8
Generate the new ps_strings format.
1995-05-16 14:19:03 +00:00
2581c66077
remember first error code (if any) that's different than ENOEXEC.
...
Not perfect, but there's no perfect solution to the "multiple interesting
error codes" problem.
1995-05-01 22:36:45 +00:00
3d1b06ab09
- new copyargs routine.
...
- use emul_xxx
- deprecate nsysent; use constant SYS_MAXSYSCALL instead.
- deprecate ep_setup
- call sendsig and setregs indirectly.
1995-04-22 19:42:47 +00:00
c75f9f2e07
Change `fdclose' to `fdrelease', to avoid confusion with device interfaces.
1995-04-10 18:27:59 +00:00
366ba9b889
Use sigcode fields in package structure. This seems to be the cleanest
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way to deal with seperate trampoline code for emulation of other OSs,
it avoids having to clutter up kern_exec.c any further.
1995-04-07 22:33:23 +00:00
2f805fa51b
copy*str() should use size_t.
1995-03-09 12:05:21 +00:00
6782442a8c
use long for argc, envc, and u_long for len.
1995-03-08 01:23:00 +00:00
c7fde1470b
various XXX changes that linux bins need to get their args correctly.
1995-02-28 23:09:01 +00:00
e8f67573e2
Align the stack even if envp is NULL.
1995-02-22 01:39:56 +00:00
a8dd9a66e2
Optimize differently.
1995-02-04 14:44:48 +00:00
5561e58072
Small optimization.
1995-02-04 14:22:13 +00:00
90ef05a32c
Use common fdclose() rather than a private version.
1994-12-04 03:10:40 +00:00
dc7de949e9
change exec_setup_fcn() to be more useful (from christos)
1994-10-24 05:32:19 +00:00
6b86130410
update for new syscall args description mechanism
1994-10-20 04:22:35 +00:00
cf92afd66e
New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD'
1994-06-29 06:29:24 +00:00
699bbb84b6
Update to 4.4-Lite fs code.
1994-06-08 11:28:29 +00:00
d1f36d3007
fname --> path
1994-05-27 08:44:12 +00:00
d0f39cffd9
return 0 on success
1994-05-27 07:58:37 +00:00
ebcaebd335
MIN -> min, MAX -> max
1994-05-24 02:35:53 +00:00
82fabd73d5
struct execve_args now defined in exec.h
1994-05-21 07:48:10 +00:00
72db136279
kill bogus include
1994-05-07 04:17:10 +00:00
4bbabd8e7a
Rename a lot of process flags.
1994-05-04 03:41:12 +00:00
f50f031448
kill syscall name aliases. no user-visible changes
1994-04-29 04:41:02 +00:00
675a199909
SUGID semantics, similar to 4.4BSD
1994-04-07 00:40:14 +00:00
a790e23e87
simplify error returns, and fix bugs
1994-02-16 01:21:00 +00:00
974e9ba226
Fix typo in last change.
1994-02-12 07:19:11 +00:00
3a46cb73c6
ditto on the last; weird failure modes are the cause of the day.
1994-02-12 07:02:34 +00:00
64517d6f7f
don't forget to deallocate vmcmds if exec fails bounds checks.
...
thanks to charles for pointing it out.
1994-02-12 04:13:43 +00:00
114cf35108
dtrt with exec header size
1994-02-05 02:23:30 +00:00
8c996398fc
clean up, break script handling out of check_exec(), and comment a bit.
1994-01-16 03:09:59 +00:00
8ca18c3fa8
use exec_map
1994-01-13 06:23:57 +00:00
7422e2a40c
trim debugging code, for now, and kill dead code (unused options)
1994-01-13 02:33:57 +00:00
4c8ff3970f
try until error != ENOEXEC, so that formats can report errros reasonably
1994-01-09 17:11:42 +00:00
34ea9285e9
de-macroify kill_vmcmds()
1994-01-08 18:05:29 +00:00
957ce06f24
far reaching but relatively minor cleanup and slight reorg of exec code
1994-01-08 07:14:24 +00:00
8955aeedd5
#include vm_user.h.
1994-01-08 04:15:41 +00:00
914aac9116
field name change
1994-01-04 11:29:55 +00:00
a67d24d94b
add support for p_vnode, from jsp
1993-12-22 13:39:27 +00:00
c38503af4d
sparc must flush register windows before vm_deallocate or else fireworks
...
must deallocate shm's
set/reset emulation environment at the right times
keep arg buffer around for later use
canonicalize all #includes.
support STACKGAP for COMPAT_SUNOS code
support OMAGIC/NMAGIC-style memory loading
don't assume VM_MIN_ADDRESS is 0.
(changes come from magnum branch)
1993-12-12 19:38:37 +00:00
620a222f9f
If EXEC_DEBUG, display name of file we're trying to exec.
1993-12-06 14:18:58 +00:00
dde22728d4
drag changes down from magnum
1993-11-15 10:21:08 +00:00
13ca4d98c7
it's correct to return EACCES if FS is mounted MNT_NOEXEC.
1993-10-26 01:42:56 +00:00
c7582cbd4f
use copyinstr rather than strcpy to copy in the saved shell-script
...
name from userland. From Markus Wild, mw@lamp
1993-10-26 00:32:29 +00:00
a84055b552
use the ALIGN macro to align the stack, rather than rounding up
...
by a (char *). the former is safe, even on strange machines
(read: sparc).
1993-10-06 07:27:58 +00:00
83aeee1bc0
there now exists an "exec switch". break the a.out code into another
...
module, and tidy up the interface so that other object formats are
more easily supportable.
1993-09-05 01:33:35 +00:00
491d6b4b9d
fix problem where exec would lose on shell scripts with symlinks in
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their names. fix from "James W. Dolter" <jdolter@sawtooth.eecs.umich.edu>.
test script:
#!/bin/csh
mkdir /tmp/foodir
cat > /tmp/foodir/testscript <<EOF
#!/bin/sh
echo "Executing script \$1"
EOF
chmod 755 /tmp/foodir/testscript
(cd /tmp ; ln -s foodir foosym)
echo "Trying full path (w/o symlink) to /tmp/foodir/testscript"
/tmp/foodir/testscript "with out symlink"
echo "Trying full path (w/ symlink) to /tmp/foosym/testscript"
/tmp/foosym/testscript "with symlink"
echo "End of Test"
1993-09-01 21:43:50 +00:00
d365662684
ok, initialize that errno, to make theo and gcc2 happy...
1993-08-31 01:52:34 +00:00
518f7c78d6
a program being exec'd *must* cause *some* exec commands to be invoked;
...
if it doesn't there's a problem in the kernel, because a program
with no exec commands run will have no address space except the stack,
and i don't think it's valid to have a "run from stack only" exec type,
so panic. if need for that case comes up later, it can be changed...
1993-08-31 01:46:36 +00:00
2680a043c7
general cleanup (get close to KNF), and remove a few fuzzies
...
in preparation for The Grand Re-rewriting.
1993-07-28 04:08:27 +00:00
c0334ef92c
break args structs out, into syscallname_args structs, so gcc2 doesn't
...
whine so much.
1993-07-13 22:13:15 +00:00
b5236e7d0f
Roundup stack len to naturally aligned address. This fixes emacs aborting due to an odd address in alloca'ed memory.
1993-07-10 02:07:48 +00:00
31d24dc82e
Ignore the flags field in midmag.
1993-07-08 16:48:18 +00:00
b274bb4126
add support for checking entry against max user address
1993-07-05 01:53:56 +00:00
955ae6a915
change exit() to kexit(), so prototypes are "safe" with stdio.h, etc.
1993-07-04 23:30:33 +00:00
b21025e4f3
call setregs with a retval, too, so the hp300 & mac, and more works.
1993-07-04 09:48:29 +00:00
0e6cb953ea
ANSIfications - removed all implicit function return types and argument
...
definitions. Ensured that all files include "systm.h" to gain access to
general prototypes. Casts where necessary.
1993-06-27 06:01:27 +00:00
ee8d969be4
ansi-style function definitions
1993-06-22 01:31:53 +00:00
c8bdad0560
convert magic numbers to network byte order, and attendent changes
1993-06-18 06:49:30 +00:00
24fe3e4563
fixed bug where extra spaces at the end of a shell name would
...
cause shell scripts to be executed incorrectly. shells would
receive an *empty* arg for name of script, open it, the kernel
would say "oh, that's ." or something similar, and the results
would be interesting... found, diagnosed, and killed by me.
1993-06-07 03:09:29 +00:00
7489eff03c
fix stoopid location to label problem
1993-06-06 02:36:22 +00:00
165b917efe
add fixes supplied by markus wild
1993-06-05 19:38:13 +00:00
23f01c5982
call a cpu-dependent function to check executable's a_mid type.
1993-06-03 01:31:43 +00:00
654e213804
when copying out signal trampoline code, make sure that
...
the copyout actually succeeds.
1993-06-02 04:43:54 +00:00
d2bf51450c
fixed minor typo in sigcode copying code
1993-06-02 03:15:36 +00:00
af4017c23f
general cleanup including, but not limited to:
...
better-integreate vmcmd building and exec hdr interpretation,
get stack sigcode copying right
etc.
1993-06-02 02:49:40 +00:00
956c046db5
do address mapping in a new way...
...
it works, but the code needs to be cleaned some...
1993-06-02 00:20:07 +00:00
4206d7f100
break before letting child run, if tracing, and do the right
...
thing with stack limits
1993-06-01 04:52:40 +00:00
0656a4bbbe
final patchups, also add support for finding argv/env via PS_STRINGS
1993-06-01 01:31:39 +00:00
eb4c4de385
replace exec.
...
new one based on one by Wolfgang Solfrank, but majorly hacked
(as it: it didn't have a chance in hell of working, before; didn't
even bother copying out argc, for one...)
1993-05-31 01:44:55 +00:00
mycroft