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17 Commits

Author SHA1 Message Date
Warner Losh
018caaaed0 Fix error in determining the next available boot slot. 
Sponsored by: Netflix
 2018-01-12 15:30:48 +00:00
Warner Losh
cac7bbe16a There's no need / benefit from deleting the variable before we set it. 
Sponsored by: Netflix
 2018-01-06 06:00:40 +00:00
Warner Losh
af9d0c273f Fix usage strings. -d and -p were removed before this was committed to 
FreeBSD, but the strings weren't updated.

Sponsored by: Netflix
 2018-01-06 06:00:34 +00:00
Warner Losh
63b5669494 Free options before setting them. This will prevent us from leaking 
memory when we have multiple copies of the same option from being
specified.

Sponsored by: Netflix
 2018-01-05 07:09:19 +00:00
Warner Losh
da15338df8 Ensure that we have a description string. When unspecified, default to "". 
Sponsored by: Netflix
 2018-01-05 07:09:09 +00:00
Alexander Kabaev
96289d0961 Remove write-only opt and useless optlen variables. 
This squashes the warning gebnerated by GCC 6.x. Since
variables that are now removed had come documentation
value, put relevant bits in comment, so they can be
resurrected from there when actually needed.
 2017-12-24 16:39:57 +00:00
Warner Losh
155b183ad2 Actually insert the free(d) call missed in r326802. 
Noticed by: rpokala@
 2017-12-12 19:45:24 +00:00
Warner Losh
af934ea3ba Add sanity testing against maximum sane lengths for device paths for 
loader and kernel.

CID: 1383608
Sponsored by: Netflix
 2017-12-12 19:26:24 +00:00
Warner Losh
a6b6f888b5 Free load_opt_buf after we're done with it. 
CID: 1383607
Sponsored by: Netflix
 2017-12-12 19:26:19 +00:00
Warner Losh
8354d13d9b Fix resource leak. Free converted description after printing it. 
Also minor style sort of local vars.

CID: 1383606
Sponsored by: Netflix
 2017-12-12 19:26:15 +00:00
Warner Losh
3af42ca7c1 Don't leak new_data. 
CID: 1383605
Sponsored by: Netflix
 2017-12-12 19:26:10 +00:00
Warner Losh
c66805a5d5 Check return value for set_bootvar and give a good error message. 
CID: 1383601
Sponsored by: Netflix
 2017-12-12 19:25:54 +00:00
Warner Losh
6604afe9c7 Unbreak gcc build by using (void) for functions that take no args. 
Sponsored by: Netflix
 2017-12-11 16:17:53 +00:00
Warner Losh
a2aa66719e Indent multiple device path entries correctly. 
Sponsored by: Netflix
 2017-12-09 07:44:00 +00:00
Warner Losh
1127aea3e7 Remove vestiges of -d and -p commands. 
Fix two core dumps when optional data isn't specified.

Sponsored by: Netflix
 2017-12-09 07:43:55 +00:00
Warner Losh
a3e6c4a6fc Forgotten in 326725 
Release Notes: Yes
 2017-12-09 06:57:19 +00:00
Warner Losh
1285bcc833 Import Netflix's efibootmgr to help manage UEFI boot variables 
efibootmgr manages the UEFI BootXXXX variables that implement the UEFI
Boot Manager protocol defined in the UEFI standards. It is modeled
after the Linux program of the same name with a mostly compatible set
of command line options. Since there's a fair amount of OS specifioc
code due to differeing names and methods of doing things, the
compatibility isn't 100%.

Basic functionality is implemented, though the more advanced next boot
functionality that's been defined elsewhere is unimplemented.

Submitted by: Matt Williams (with unix / efi path xlate by me)
Sponsored by: Netflix
 2017-12-09 06:52:20 +00:00