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2002-05-13 Marcus Brinkmann <marcus@gnu.org>

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* hurd/hurdchdir.c (_hurd_change_directory_port_from_name):
        Allocate three, not two, more than LEN when appending '/.'.
        * sysdeps/mach/hurd/chroot.c (chroot): Likewise.  Don't check
        if NAME ends with '/.' if it is shorter than 2 chars.

	* mach/Makefile ($(mach-syscalls:%=$(objpfx)%.S)): Make the generated
	files #include <sysdep.h> instead of <mach/machine/syscall_sw.h>.
This commit is contained in:
Roland McGrath 2002-05-13 01:48:25 +00:00
parent 6f1428364a
commit ab7dd85bfb
4 changed files with 15 additions and 5 deletions
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10
ChangeLog
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@ -1,5 +1,15 @@
2002-05-13 Marcus Brinkmann <marcus@gnu.org>
* hurd/hurdchdir.c (_hurd_change_directory_port_from_name):
Allocate three, not two, more than LEN when appending '/.'.
* sysdeps/mach/hurd/chroot.c (chroot): Likewise. Don't check
if NAME ends with '/.' if it is shorter than 2 chars.
2002-05-12 Roland McGrath <roland@frob.com> 2002-05-12 Roland McGrath <roland@frob.com>
* mach/Makefile ($(mach-syscalls:%=$(objpfx)%.S)): Make the generated
files #include <sysdep.h> instead of <mach/machine/syscall_sw.h>.
* hurd/hurdexec.c (_hurd_exec): Reauthenticate ports/dtable used in * hurd/hurdexec.c (_hurd_exec): Reauthenticate ports/dtable used in
file_exec to effect svuid=euid, svgid=egid if that is not a no-op. file_exec to effect svuid=euid, svgid=egid if that is not a no-op.

2
hurd/hurdchdir.c
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@ -40,7 +40,7 @@ _hurd_change_directory_port_from_name (struct hurd_port *portcell,
lookup = name; lookup = name;
else else
{ {
char *n = alloca (len + 2); char *n = alloca (len + 3);
memcpy (n, name, len); memcpy (n, name, len);
n[len] = '/'; n[len] = '/';
n[len + 1] = '.'; n[len + 1] = '.';

4
mach/Makefile
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@ -96,8 +96,8 @@ ifndef mach-syscalls
no_deps=t no_deps=t
else else
$(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk $(mach-syscalls:%=$(objpfx)%.S): $(objpfx)%.S: $(objpfx)mach-syscalls.mk
(echo '#include <mach/machine/syscall_sw.h>'; \ (echo '#include <sysdep.h>'; \
echo 'kernel_trap(__$*,$(sysno-$*),$(nargs-$*))'; \ echo 'kernel_trap (__$*,$(sysno-$*),$(nargs-$*))'; \
echo 'weak_alias (__$*, $*)') > $@-new echo 'weak_alias (__$*, $*)') > $@-new
mv -f $@-new $@ mv -f $@-new $@
generated += $(mach-syscalls:=.S) generated += $(mach-syscalls:=.S)

4
sysdeps/mach/hurd/chroot.c
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@ -36,11 +36,11 @@ chroot (const char *path)
/* Append trailing "/." to directory name to force ENOTDIR if it's not a /* Append trailing "/." to directory name to force ENOTDIR if it's not a
directory and EACCES if we don't have search permission. */ directory and EACCES if we don't have search permission. */
len = strlen (path); len = strlen (path);
if (path[len - 2] == '/' && path[len - 1] == '.') if (len >= 2 && path[len - 2] == '/' && path[len - 1] == '.')
lookup = path; lookup = path;
else else
{ {
char *n = alloca (len + 2); char *n = alloca (len + 3);
memcpy (n, path, len); memcpy (n, path, len);
n[len] = '/'; n[len] = '/';
n[len + 1] = '.'; n[len + 1] = '.';