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This allows platform code to check if firmware image can be used with
preserving a backup. It may be used e.g. when installing vendor
firmwares that won't restore appended backup archive.
Suggested-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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So far firmware validation result was binary limited: it was either
successful or not. That meant various limitations, e.g.:
1) Lack of proper feedback on validation problems
2) No way of marking firmware as totally broken (impossible to install)
This change introduces JSON for storing detailed validation info. It
provides a list of performed validation tests and their results. It
allows marking firmware as non-forceable (broken image that can't be
even forced to install).
Example:
{
"tests": {
"fwtool_signature": true,
"fwtool_device_match": true
},
"valid": true,
"forceable": true
}
Implementation is based on *internal* check_image bash script that:
1) Uses existing validation functions
2) Provides helpers for setting extra validation info
This allows e.g. platform_check_image() to call notify_check_broken()
when needed & prevent user from bricking a device.
Right now the new JSON info is used by /sbin/sysupgrade only. It still
doesn't make use of "forceable" as that is planned for later
development.
Further plans for this feature are:
1) Expose firmware validation using some new ubus method
2) Move validation step from /sbin/sysupgrade into "sysupgrade" ubus
method so:
a) It's possible to safely sysupgrade using ubus only
b) /sbin/sysupgrade can be more like just a CLI
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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For equality test a simple = is sufficient, the == is
usually disregarded as bashism.
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
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Fix "uci: Entry not found" output if "ttylogin" is not set in
"etc/config/system"
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
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Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>
Signed-off-by: John Crispin <john@phrozen.org>
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