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[SCRIPT] CLI update auto-download and flash latest beta

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osm0sis
DD-WRT Novice

Joined: 28 Jul 2021
Posts: 11
Location: Canada

Posted: Thu Aug 05, 2021 1:03 Post subject: [SCRIPT] CLI update auto-download and flash latest beta

Worked out a little script to paste into telnet to make CLI updates a bit easier:

Code:

cliupdate() {
local build_latest ddwrt firmware n platform year;
ddwrt=http://download1.dd-wrt.com/dd-wrtv2/downloads/betas;
year=2021;
build_latest=$(wget -qO- $ddwrt/$year | grep href | tail -n1 | cut -d\" -f2);
platform=tplink_archer-c7-v4;
firmware=tplink_archer-c7-v4.bin;
read -p "Download and flash DD-WRT \"$build_latest\" (y/n)? " n;
case $n in
Y|y)
rm -f /tmp/$firmware;
wget -P /tmp $ddwrt/$year/$build_latest$platform/$firmware \
&& write /tmp/$firmware linux;
;;
esac;
if [ $? -eq 0 ]; then
read -p "Reboot (y/n)? " n;
case $n in
Y|y) reboot;;
esac;
fi;
}

cliupdate;

I have it set up for my TP-Link Archer C7 v4, but simply change out the platform= and firmware= values for your device and you should be set!

Enjoy! Cool

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RobrPatty
DD-WRT User

Joined: 06 Jun 2016
Posts: 174

Posted: Mon Nov 29, 2021 8:41 Post subject: where in telenet
Not sure where to paste this script.

blkt
DD-WRT Guru

Joined: 20 Jan 2019
Posts: 4952

Posted: Mon Nov 29, 2021 10:08 Post subject:
https://www.chiark.greenend.org.uk/~sgtatham/putty/ Telnet, or SSH if configured, router IP username root.

the-joker
DD-WRT Developer/Maintainer

Joined: 31 Jul 2021
Posts: 2143
Location: All over YOUR webs

Posted: Mon Nov 29, 2021 13:15 Post subject:

You dont paste the script per say.

You copy it to /tmp on the router, make it executable and then run it.
Each time you want to upgrade again you must do same, since anything on tmp will disapear after each reboot.

TBH that script could be slightly tweaked. =)

Take care.
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kernel-panic69
DD-WRT Guru

Joined: 08 May 2018
Posts: 13281
Location: Texas, USA

Posted: Mon Nov 29, 2021 16:48 Post subject:

Details on the tweaks would be wonderful, and quite helpful. If said tweaks are valid, of course, lol.
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mwchang
DD-WRT Guru

Joined: 26 Mar 2013
Posts: 1315
Location: Hung Hom, Hong Kong

Posted: Thu Dec 02, 2021 15:13 Post subject: Re: [SCRIPT] CLI update auto-download and flash latest beta

osm0sis wrote:

Worked out a little script to paste into telnet to make CLI updates a bit easier:

Code:

....
read -p "Download and flash DD-WRT \"$build_latest\" (y/n)? " n;
case $n in
Y|y)
rm -f /tmp/$firmware;
wget -P /tmp $ddwrt/$year/$build_latest$platform/$firmware \
&& write /tmp/$firmware linux;
;;
esac;
....

Didn't see any error checking (e.g. download size vs listed size)? Smile

Sometimes, the file size of a firmware was too small, indicating an error. If you flashed it, the router might be bricked.

It would be great if all builds have CRC checksum as a companion text files. Until then... Smile

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kernel-panic69
DD-WRT Guru

Joined: 08 May 2018
Posts: 13281
Location: Texas, USA

Posted: Thu Dec 02, 2021 17:31 Post subject:

We will likely never see cryptographic signing, md5, sha256, crc verification information for DD-WRT ever again. Don't hold your breath. FWIW, I know how much longer it would take to parse md5sums on the number of firmware images currently built just by calculating how long it takes to do so on a full run of FreshTomato MIPS and ARM images. "Time is money".
_________________
"Life is but a fleeting moment, a vapor that vanishes quickly; All is vanity"
Contribute To DD-WRT
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Because they are tired of bottom-feeders and the same old hat.
----------------------
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yoyoma2
DD-WRT User

Joined: 24 Sep 2016
Posts: 336

Posted: Fri Dec 03, 2021 6:10 Post subject: Re: [SCRIPT] CLI update auto-download and flash latest beta

mwchang wrote:

Didn't see any error checking (e.g. download size vs listed size)? Smile

Sometimes, the file size of a firmware was too small, indicating an error. If you flashed it, the router might be bricked.

Note that easyddup has a configurable minimum & maximum file size check feature. The listed size, if unusually large or small, could indicate a problem build even if it matches the file.

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