Commit Graph

81 Commits

Author SHA1 Message Date
Toomas Soome
63f582e0f5 loader: ptable_close() should check its argument
If the passed in table is NULL, just return.
2019-02-18 20:29:19 +00:00
Ian Lepore
7827bb1c2c Garbage collection no-longer-used constant. 2019-02-17 23:48:51 +00:00
Ian Lepore
5b777dbfa5 Make lsdev -v output line up in neat columns by using a fixed width for
the size field and a tab between the partition type and the size.

Changes this

  disk devices:
        disk0 (MMC)
        disk0s1: DOS/Windows            49MB
        disk0s2: FreeBSD                14GB
        disk0s2a: FreeBSD UFS         14GB
        disk0s2b: Unknown             2048KB
        disk0s2d: FreeBSD UFS         2040KB

to this

  disk devices:
        disk0 (MMC)
        disk0s1: DOS/Windows      49MB
        disk0s2: FreeBSD          14GB
        disk0s2a: FreeBSD UFS     14GB
        disk0s2b: Unknown       2048KB
        disk0s2d: FreeBSD UFS   2040KB
2019-02-17 23:46:11 +00:00
Ian Lepore
71c96def1c Use a couple local variables to avoid repetitive long expressions that
cause line-wrapping.
2019-02-17 23:38:17 +00:00
Ian Lepore
4d02caf7cb Restore loader(8)'s ability for lsdev to show partitions within a bsd slice.
I'm pretty sure this used to work at one time, perhaps long ago.  It has
been failing recently because if you call disk_open() with dev->d_partition
set to -1 when d_slice refers to a bsd slice, it assumes you want it to
open the first partition within that slice.  When you then pass that open
dev instance to ptable_open(), it tries to read the start of the 'a'
partition and decides there is no recognizable partition type there.

This restores the old functionality by resetting d_offset to the start
of the raw slice after disk_open() returns.  For good measure, d_partition
is also set back to -1, although that doesn't currently affect anything.

I would have preferred to make disk_open() avoid such rude assumptions and
if you ask for partition -1 you get the raw slice.  But the commit history
shows that someone already did that once (r239058), and had to revert it
(r239232), so I didn't even try to go down that road.
2019-02-17 23:32:09 +00:00
Kyle Evans
e49f2c66d1 stand: dev_net: correct net_open's interpretation of params
net_open previously casted the first vararg to a char * and this was
half-OK: at first, it is passed to netif_open, which would cast it back to
the struct devdesc * that it really is and use it properly. It is then
strdup()d and used as the netdev_name, which is objectively wrong.

Correct it so that the first vararg is properly casted to a struct devdesc *
and the netdev_name gets set properly to make it more clear at a glance that
it's not doing something horribly wrong.

Reported by:	mmel
Reviewed by:	imp, mmel, tsoome
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D19206
2019-02-15 18:28:51 +00:00
Maxim Sobolev
d92fb78458 When handling CMD_CRIT error set command_errmsg to NULL after we dump it out,
so that it does not result in error message printed twice.

OK load doodoo
can't find 'doodoo'
can't find 'doodoo'
OK

MFC after:	2 weeks
2018-11-30 02:14:41 +00:00
Maxim Sobolev
55d5c94943 The libstand's panic() appends its own '\n' to the message, so that users of the API
don't need to supply one.

MFC after:	2 weeks
2018-11-29 18:37:48 +00:00
Toomas Soome
13dcff6bd8 loader: command_bcache() should print unsigned values
All bcache counters are unsigned.
2018-11-29 14:21:01 +00:00
Maxim Sobolev
6c81fe160c Nuke out buffer overflow safety marker code, it duplicates similar code in
the malloc()/free() as well as having potential of softening the handling
in case error is detected down to a mere warning as compared to hard panic
in free().

Submitted by:	tsoome
Differential Revision:	https://reviews.freebsd.org/D18299
2018-11-23 22:36:56 +00:00
Toomas Soome
a3fd276be0 loader: ptable_open() check for ptable_cd9660read result is wrong
The ptable_*read() functions return NULL on read errors (and partition table
closed as an side effect). The ptable_open must check the return value and
act properly.

PR:		232483
Reported by:	lev
Reviewed by:	lev,cem
Differential Revision:	https://reviews.freebsd.org/D17890
2018-11-07 21:36:52 +00:00
Toomas Soome
53e3fbee09 loader: always set media size from partition.
The disk access is validated by using partition table definitions, therefore
we have no need for if statements, just set the disk size.

Of course the partition table itself may be incorrect/inconsistent, but if
so, we are in trouble anyhow.

Differential Revision:	https://reviews.freebsd.org/D17822
2018-11-07 11:14:22 +00:00
Kyle Evans
d3d381b2b1 userboot: handle guest interpreter mismatches more intelligently
The switch to lualoader creates a problem with userboot: the host is
inclined to build userboot with Lua, but the host userboot's interpreter
must match what's available on the guest. For almost all FreeBSD guests in
the wild, Lua is not yet available and a Lua-based userboot will fail.

This revision updates userboot protocol to version 5, which adds a
swap_interpreter callback to request a different interpreter, and tries to
determine the proper interpreter to be used based on how the guest
/boot/loader is compiled. This is still a bit of a guess, but it's likely
the best possible guess we can make in order to get it right. The
interpreter is now embedded in the resulting executable, so we can open
/boot/loader on the guest and hunt that down to derive the interpreter it
was built with.

Using -l with bhyveload will not allow an intepreter swap, even if the
loader specified happens to be a userboot with the wrong interpreter. We'll
simply complain about the mismatch and bail out.

For legacy guests without the interpreter marker, we assume they're 4th.
For new guests with the interpreter marker, we'll read it and swap over
to the proper interpreter if it doesn't match what the userboot we're using
was compiled with.

Both flavors of userboot are installed by default, userboot_4th.so and
userboot_lua.so. This fixes the build WITHOUT_FORTH as a coincidence, which
was broken by userboot being forced to 4th.

Reviewed by:	imp, jhb, araujo (earlier version)
Approved by:	re (gjb)
Differential Revision:	https://reviews.freebsd.org/D16945
2018-09-01 02:23:45 +00:00
Kyle Evans
2ac6dfb0c2 lualoader: Print error messages from command failures at the prompt
Previously lualoader would remain silent, rather than printing
command_errmsg or noting that a command had failed or was not found.

Approved by:	re (gjb)
2018-08-31 15:02:53 +00:00
Warner Losh
060679ef9c Collapse zfsloader functionality back down into loader.
We no longer really need a separate zfsloader. It was useful when we
were first supporting ZFS and had limited ability to properly boot off
of ZFS without the special boot loader. Now that the boot loader has
matured, go the way loader.efi pioneered and just build one
binary. Change the name of the loader to load in the secondary boot
blocks to be just /boot/loader. Provide a symbolic link from zfsloader
to loader so people who have not upgraded their boot blocks are not
affected. This has the happy benefit of making coexistence easier as
well (fewer binaries in the matrix).

Discussed with: allanjude@, kevans@
RelNotes: Yes
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D16361
2018-07-20 05:17:37 +00:00
Ian Lepore
c1418270b2 Extend loader(8) geli support to all architectures and all disk-like devices.
This moves the bulk of the geli support from lib386/biosdisk.c into a new
geli/gelidev.c which implements a devsw-type device whose dv_strategy()
function handles geli decryption. Support for all arches comes from moving
the taste-and-attach code to the devopen() function in libsa.

After opening any DEVT_DISK device, devopen() calls the new function
geli_probe_and_attach(), which will "attach" the geli code to the open_file
struct by creating a geli_devdesc instance to replace the disk_devdesc
instance in the open_file. That routes all IO for the device through the
geli code.

A new public geli_add_key() function is added, to allow arch/vendor-specific
code to add keys obtained from custom hardware or other sources.

With these changes, geli support will be compiled into all variations of
loader(8) on all arches because the default is WITH_LOADER_GELI.

Relnotes:	yes
Sponsored by:	Microchip Technology Inc
Differential Revision:	https://reviews.freebsd.org/D15743
2018-07-13 17:50:25 +00:00
Warner Losh
c96ac12e5c Transition to boot_env_to_howto and boot_howto_to_env in the boot
loader.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D16205
2018-07-13 16:43:29 +00:00
Warner Losh
4569e91328 Eliminate boot loader copies of boot arg parsing.
Eliminate 4 of the copies of the arg parsing in /boot/laoder
by using boot_parse_cmdline.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D16205
2018-07-13 16:43:23 +00:00
Warner Losh
007b82d7ab Stop using ../zfs/libzfs.h but instead use libzfs.h.
While ../zfs/libzfs.h mostly works, there are a few situations where
it does not. Eliminate the problem by using plain libzfs.h, like we do
for ufs support. This fixes the weird cases, and is easier to
understand. It also follows the general style convetion of avoiding
../ in #includes.
2018-07-08 07:42:58 +00:00
Allan Jude
436dbc4262 stand/common/disk.c: dev->d_offset still needs to be set to 0
With r335868, I thought this was no longer necessary. I was wrong.

Reported by:	ian
Sponsored by:	Klara Systems
2018-07-03 05:53:27 +00:00
Allan Jude
32c52b4847 stand/common/disk.c: Read partition table relative to the start of the disk
If a disk is of an oddball size, like the 200mb + 512b used in rootgen.sh,
when disk_open() is called on a GELI encrypted partition, attempts to read
the partition table fail, as they pass through the decryption process which
turns the already plaintext data into jibberish.

When reading the partition table, always pass a slice and partition setting
of -1, and an offset of 0. Setting the slice to -1 prevents a false
positive when checking the slice against the cache of GELI encrypted
slices.

Reviewed by:	imp, ian
Sponsored by:	Klara Systems
Differential Revision:	https://reviews.freebsd.org/D15847
2018-07-02 18:19:08 +00:00
Allan Jude
d48c0a685d stand/common/disk.c: Update debug printf
This was missed in r330809 because it is compiled out by default

Sponsored by:	Klara Systems
2018-06-17 19:31:35 +00:00
Warner Losh
5f88ee4479 bootprog_info is generated in vers.c. Move it's definition to
bootstrap.h and remove all the redundant copies.

Sponsored by: Netflix
2018-06-14 06:41:33 +00:00
Kyle Evans
3db6d179e8 stand: One more trivial consolidation (setting environment from howto) 2018-06-09 15:52:29 +00:00
Kyle Evans
28ee318d9c stand: Fix build after r334882
Not sure how this was not caught in Universe.
2018-06-09 15:28:37 +00:00
Kyle Evans
593e2c6ece stand: Consolidate checking for boot flags driven by environment vars
e.g. boot_mute, boot_single, boot_verbose, and friends; we checked for these
in multiple places, consolidate into common/ and allow a setting of "NO" for
any of these to turn them off. This allows systems with multiple
loader.conf(5) or loader.conf(5) overlay systems to easily turn off
variables in later processed files by setting it to NO.

Reported by:	Nick Wolff @ iXsystems
Reviewed by:	imp
2018-06-09 15:10:39 +00:00
Ian Lepore
9f6fd8397c Remove comments and assertions that are no longer valid after r330809.
r330809 replaced duplication of devdesc struct fields with an embedded copy
of the devdesc struct, to avoid fragility.  That means all the scattered
comments indicating that structs must match are no longer valid.  Likewise
asserts that attempted to mitigate some of the old fragility.

Reviewed by:	imp@
2018-06-05 22:13:45 +00:00
Dimitry Andric
073193ed51 Fix build of stand with base gcc
* Make autoboot() a static function in stand/common/boot.c, so it does
  not shadow local variables in gptboot.c and zfsboot.c.
* Remove -Winline from the Makefiles for gptboot, gptzfsboot and
  zfsboot, as gcc will always fail to inline some functions, and there
  is nothing we can do about it.
* For gcc <= 4.2.1, silence -Wuninitialized for isoboot, as it produces
  a false positive warning.
* Remove deprecated and unnecessary -mcpu=i386 flag from stand/defs.mk,
  as there is already a -march=i386 flag further in the file.

Reviewed by:	imp
MFC after:	3 days
Differential Revision: https://reviews.freebsd.org/D15628
2018-05-31 14:38:13 +00:00
Marius Strobl
dd5dbb3199 - Unbreak booting sparc64 kernels after the metadata unification in
r329190; sparc64 kernels are always 64-bit but with that revision
  in place, the loader was treating them as 32-bit ones.
- In order to reduce the likelihood of this kind of breakage in the
  future, #ifdef out md_load() on sparc64 and make md_load_dual() -
  which is currently local to metadata.c anyway - static.
- Make md_getboothowto() - also local to metadata.c - static.
- Get rid of the unused DTB pointer on sparc64.
2018-05-21 01:20:19 +00:00
Warner Losh
09001b5c78 Revert r333365
Even though we don't use it, it appears something else requires it to
be != 0 to work. This breaks tftp boot in loader.efi, so revert until
that can be sorted out.
2018-05-10 20:27:12 +00:00
Warner Losh
a1947307e7 We don't use f_devdata, so don't set it. Should that need to change
later, we can. This leaves ZFS as the only irregular f_devdata
user in the tree.
2018-05-08 16:16:56 +00:00
Warner Losh
e4eef18848 Use M. Warner Losh everywhere on my copyrights.
Remove 'All Rights Reserved' where I can.
2018-05-01 16:29:22 +00:00
Toomas Soome
b67d407ac7 loader: cstyle cleanup of command.c
just clean it up. no functional changes intended.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D15087
2018-04-16 14:10:19 +00:00
Toomas Soome
6d68f8acf4 loader: make sure we do not return garbage from help_getnext
Since we do free subtopic and desc in help_getnext(), we need to set them also
NULL, so we make sure we dont get double free().

Approved by:	bapt
Differential Revision:	https://reviews.freebsd.org/D15082
2018-04-16 12:46:14 +00:00
Toomas Soome
746dddb134 loader: command_errmsg should be const
Use const char * for command_errmsg.
2018-04-16 08:41:44 +00:00
Toomas Soome
faa5306390 loader: make sure we use snprintf() in commands.c
Safeguard against memory corruptions.
2018-04-16 08:15:50 +00:00
Toomas Soome
5276f60430 loader: provide values in help_getnext()
With r328289 we attempt to make sure we free the resources allocated in
help_getnext(), however, it is possible that we get no resources allocated
and help_getnext() will return early.

Make sure we have pointers set to NULL early in help_getnext().

Reported by:	Andy Fiddaman
2018-04-16 07:26:23 +00:00
Benno Rice
48990fce8e Add an ISO9660 "partition table" type to loader.
When booted via isoboot(8) loader will be handed a disk that simply contains
an ISO9660 image. Currently this confuses it greatly. Teach it how to spot
that it's in this situation and that ISO9660 has one "partition" covering
the whole disk.

Reviewed by:	imp
Sponsored by:	iXsystems, Inc.
Differential Revision:	https://reviews.freebsd.org/D14915
2018-04-05 19:45:30 +00:00
Conrad Meyer
70be5ca734 Apply r228478 (CTASSERT => _Static_assert()) to stand bootstrap.h
Reported by:	GCC (it doesn't like the unused array)
Sponsored by:	Dell EMC Isilon
2018-03-21 23:46:26 +00:00
Warner Losh
56e53cb8ef Prefer uintXX_t to u_intXX_t
A foolish consistency is the hobgoblin of little minds, adored by
little statesmen and philosophers and divines. With consistency a
great soul has simply nothing to do. -- Ralph Waldo Emerson
2018-03-13 16:33:00 +00:00
Warner Losh
de04d704a9 Use the actual struct devdesc at the start of all *_devdesc structs
The current system is fragile and requires very careful layout of all
*_devdesc structures. It also makes it hard to change the base
devdesc. Take a page from CAM and put the 'header' in all the derived
classes and adjust the code to match.

For OFW, move the iHandle h_handle out of a slot conflicting with
d_opendata. Due to quirks in the alignment rules, this worked.
However changing the code to use d_opendata storage now that it's a
pointer is hard, so just have a separate field for it.

All other cleanups were to make the *_devdesc structures match where
they'd taken some liberties that were none-the-less compatible enough
to work.
2018-03-12 21:39:49 +00:00
Warner Losh
b3a2aad11e Minor cosmetic changes.
Make sure { on the same line as struct for all struct *devdesc.  Move
some type definitions to next to the dv_type define, since that's what
sets the d_type.
2018-03-12 21:39:27 +00:00
Kyle Evans
bef6cd493c stand/interp_lua: correct errorr => error 2018-03-11 04:10:18 +00:00
Ian Lepore
7feea4075b Fix module loading on arm after the metadata.c unification in r329190.
Arm modules need an additional address fixup not needed by other platforms.
2018-02-28 21:51:51 +00:00
Ed Maste
6b6324985a load_elf.c: Use consistent indentation
As noted in D14267 load_elf.c has a variety of indentation styles.  Move
to standard 8 column hard tab indents, 4 space second level indents.
Also includes some whitespace cleanups found by clang-format.
2018-02-21 19:42:54 +00:00
Warner Losh
4784aef9f5 Consolidate three copies of ZFS commands into a central location.
There's no reason to have multiple copies of lszfs and
reloadbe. Consolidate them into one location. Also ldi_get_size is the
same everywhere (except sparc64). Make it the same everywhere as the
common definition is more general and will work on spar64.
2018-02-21 15:57:36 +00:00
Conrad Meyer
f91f3926e0 loader.lua: Expose errno table to lua
Reviewed by:	kevans
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D14454
2018-02-20 19:39:48 +00:00
Kyle Evans
afad05b233 lualoader: Add ability to intercept cli commands
If we failed to execute the input line as pure lua, run the command through
parse for consistent argument parsing. Pass the parsed arguments through to
a global "cli_execute" written in Lua, which is expected to either handle it
or pass it back through to interp_builtin_cmd (via loader.command).

lua-handled cli commands will then exist as globals in whatever module they
most belong in, and invocations at the loader prompt will magically dispatch
to them if they exist.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D14450
2018-02-20 17:46:50 +00:00
Conrad Meyer
77d4be50c9 Lua loader: Add barebones "lfs" module
Add a Lua FileSystem module, an emulation of a subset of the permissively
licensed (MIT) Lua library of the same name[0], to our loader's Lua
environment.

[0]: https://github.com/keplerproject/luafilesystem/

Reviewed by:	kevans
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D14418
2018-02-18 01:15:25 +00:00
Conrad Meyer
6771d4a815 interp_lua: Register io/loader with regular Lua module system
Reviewed by:	kevans
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D14421
2018-02-18 01:13:58 +00:00