diff options
| author | Guillem Jover <guillem@debian.org> | 2006-01-14 22:06:48 +0000 |
|---|---|---|
| committer | Guillem Jover <guillem@debian.org> | 2006-01-14 22:06:48 +0000 |
| commit | b88aac5c0555a853c707ac5a620279d86dca2b52 (patch) | |
| tree | 5efa4137b4796a3cae7976923fc595b84df6afaf /debian/patches/42_disable_ioperm.patch | |
| parent | 91ba9722acc0d10eb76815c829f7ea734cfd68ea (diff) | |
* Actually enable the io access disabling patch.
- debian/patches/42_disable_ioperm.disabled: Rename to ...
- debian/patches/42_disable_ioperm.patch: ... this.
Diffstat (limited to 'debian/patches/42_disable_ioperm.patch')
| -rw-r--r-- | debian/patches/42_disable_ioperm.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/debian/patches/42_disable_ioperm.patch b/debian/patches/42_disable_ioperm.patch new file mode 100644 index 0000000..2a292ec --- /dev/null +++ b/debian/patches/42_disable_ioperm.patch @@ -0,0 +1,53 @@ +#DPATCHLEVEL=0 + +2001-10-07 Marcus Brinkmann <marcus@gnu.org> + + * i386/i386/iopb.c (iopb_create, i386_io_port_add): Disable io + permissions by default. + +2004-11-16 Guillem Jover <guillem@hadrons.org> + + * i386/i386/ktss.c (ktss_init): Disable io permissions by default. + + +--- i386/i386/iopb.c Tue Feb 25 22:27:09 1997 ++++ i386/i386/iopb.c Sun Oct 7 05:00:09 2001 +@@ -270,7 +270,7 @@ + register iopb_tss_t ts; + + ts = (iopb_tss_t) kalloc(sizeof (struct iopb_tss)); +- io_tss_init(ts, TRUE); /* XXX */ ++ io_tss_init(ts, FALSE); + return ts; + } + +@@ -357,7 +360,7 @@ + simple_unlock(&iopb_lock); + + new_io_tss = (iopb_tss_t) kalloc(sizeof(struct iopb_tss)); +- io_tss_init(new_io_tss, TRUE); /* XXX */ ++ io_tss_init(new_io_tss, FALSE); + + goto Retry; + } +--- i386/i386/ktss.c 25 Feb 1997 21:27:10 -0000 1.1.1.1 ++++ i386/i386/ktss.c 16 Nov 2004 06:55:28 -0000 +@@ -44,7 +44,7 @@ + + /* Initialize the master TSS descriptor. */ + fill_gdt_descriptor(KERNEL_TSS, +- kvtolin(&ktss), sizeof(ktss)+65536/8+1-1, ++ kvtolin(&ktss), sizeof(ktss)-1, + ACC_PL_K|ACC_TSS, 0); + + /* Initialize the master TSS. */ +@@ -52,9 +52,6 @@ + ktss.esp0 = (unsigned)(exception_stack+1024); + ktss.io_bit_map_offset = sizeof(ktss); + +- /* Set the last byte in the I/O bitmap to all 1's. */ +- ((unsigned char*)&ktss)[sizeof(ktss)+65536/8] = 0xff; +- + /* Load the TSS. */ + ltr(KERNEL_TSS); + } |