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authorGiovanni Condello <giovanni.condello@coderit.it>2022-08-04 19:30:35 +0200
committerSimone Bortolin <simonebortolin@users.noreply.github.com>2022-12-19 22:48:22 +0100
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diff --git a/ont-technicolor-afm0002.md b/ont-technicolor-afm0002.md
index 28ae87c..a92e709 100644
--- a/ont-technicolor-afm0002.md
+++ b/ont-technicolor-afm0002.md
@@ -8,28 +8,193 @@ parent: ONT
## Hardware Specifications
-| | |
-|----------|---------------|
-| Vendor | Technicolor |
-| Model | AFM0002TIM/FWB/WND |
-| Alias | |
-| Chipset | Realtek RTL9601B |
-| Flash | |
-| RAM | |
-| System | Linux (Luna SDK) |
-| HSGMII | NO |
-| Optics | |
-| IP address | |
-| Web Gui | |
-| SSH | |
-| Form Factor | miniONT SFP |
-
-### Interchangeable firmware with
-### List of software version
+| | |
+|-------------|--------------------|
+| Vendor | Technicolor |
+| Model | AFM0002TIM/FWB/WND |
+| Alias | |
+| Chipset | Realtek RTL9601B |
+| Flash | |
+| RAM | |
+| System | Linux (Luna SDK) |
+| HSGMII | NO |
+| Optics | |
+| IP address | 192.168.2.1 |
+| Web Gui | Can be enabled |
+| SSH | Enabled |
+| Form Factor | miniONT SFP |
+
+## Default credentials:
+- User: admin
+- Password: system
+## Interchangeable firmware with
+## List of software versions
+- V1_7_8_181123
- V1_7_8_210928
- V1_7_8_210412
-### List of partition
-### List of firmware and files
+## List of partitions
+
+| dev | size | erasesize | name |
+|-------|----------|-----------|-----------------|
+| mtd0 | 00040000 | 00001000 | "boot" |
+| mtd1 | 00002000 | 00001000 | "env" |
+| mtd2 | 00002000 | 00001000 | "env2" |
+| mtd3 | 0003c000 | 00001000 | "config" |
+| mtd4 | 00300000 | 00001000 | "k0" |
+| mtd5 | 004c0000 | 00001000 | "r0" |
+| mtd6 | 00300000 | 00001000 | "k1" |
+| mtd7 | 004c0000 | 00001000 | "r1" |
+| mtd8 | 00001000 | 00001000 | "Partition_008" |
+| mtd9 | 00001000 | 00001000 | "Partition_009" |
+| mtd10 | 00001000 | 00001000 | "Partition_010" |
+| mtd11 | 00001000 | 00001000 | "Partition_011" |
+| mtd12 | 00300000 | 00001000 | "linux" |
+| mtd13 | 004c0000 | 00001000 | "rootfs" |
+
+This stick supports dual boot.
+
+k0 and r0 contains respectively the kernel and firmware of the first image, k1 and r1 of the second one
+
+## List of firmware and files
+## Useful files
+- `/var/config/lastgood.xml` - Contains the user portion of the configuration
+- `/var/config/lastgood-hs.xml` - Contains the "hardware" configuration (i.e. that _should_ not be changed)
+- `/tmp/omcilog` - OMCI messages logs (must be enabeled, see below)
+
+## Useful binaries
+- `/etc/scripts/flash` - Used to manipulate the config files in a samewhat safe manner
+- `xmlconfig` - Used to low-level manipulate the XML config files. Called by `flash`
+- `nv` - Used to manipulate the nvram storage, including persistent config entries via `nv setenv`/`nv getenv`
+- `omcicli` - Used to interact with the running OMCI daemon
+- `omci_app` - The OMCI daemon
+- `diag` - Used to run low-level diagnostics commands on the stick
+
+## Useful commands
+
+### Enable the Web UI
+```sh
+# /bin/iptables -D INPUT -p tcp --dport 80 -j DROP
+```
+
+### Check the currently active image
+```sh
+# nv getenv sw_active
+sw_activ=1
+# nv getenv sw_version0
+sw_version0=V1_7_8_210412
+# nv getenv sw_version1
+sw_version1=V1_7_8_210412
+```
+
+### Boot to a different image
+```sh
+# nv setenv sw_commit 0|1
+# reboot
+```
+
+### Get/Set the ONT S/N
+```sh
+# /etc/scripts/bin flash get GPON_SN
+GPON_SN=TMBB00000000
+# /etc/scripts/bin flash set GPON_SN TMBB0A1B2C3D
+```
+
+### Get/Set the ONT PLOAM password
+Note: the password is in ASCII format
+```sh
+# /etc/scripts/bin flash get GPON_PLOAM_PASSWD
+GPON_PLOAM_PASSWD=AAAAAAAAAA
+# /etc/scripts/bin flash set GPON_PLOAM_PASSWD AAAAAAAAAA
+```
+
+### Query a particular OMCI ME
+```sh
+# omcicli mib get MIB_IDX
+```
+
+## Low level modding
+Note: this section is based on version `V1_7_8_210412` of the stick
+### Trasnfer files from/to the stick
+Works with binary files too, just run md5sum on source and destination to make sure you are not corrupting anything...
+From the stick to the PC:
+```sh
+# ssh admin@192.168.2.1 "cat /tmp/omcilog" > omcilog.log
+```
+From the PC to the stick
+```sh
+# cat lastgood.xml | ssh admin@192.168.2.1 "cat > /var/config/lastgood.xml"
+```
+**Note:** on windows replace type with cat and run the commands from cmd (not powershell)
+### Extract and repack the rootfs
+```sh
+# unsquashfs mtd5.bin
+# mksquashfs squashfs-root rootfs -b 131072 -comp lzma -no-recovery
+```
+### Flash a new rootfs
+**Note: you can only flash the inactive image**. So mtd4/5 if you are on image1, mtd6/7 if you are on image0.
+
+The follwing examples flashes a new rootfs to image1 and boots to it
+```sh
+# flash_eraseall /dev/mtd7
+# cat /tmp/rootfs.new > /dev/mtd7
+# nv setenv sw_commit=1
+# reboot
+```
+### Add support to configurable SW and HW versions, VENDOR ID and much more
+We can patch `/etc/scripts/flash` in order to add support for some variables implemented in `omci_app` but removed from `xmlconfig`. The patch is below (change the values to suit your needs)
+```patch
+--- squashfs-root/etc/scripts/flash 2021-09-28 10:38:52.000000000 +0200
++++ squashfs-root.new/etc/scripts/flash 2022-08-04 00:00:29.769605000 +0200
+@@ -62,7 +62,26 @@
+ if [ `echo $para | egrep $specific_mib_patten` ]; then
+ /bin/xmlconfig -g $para | sed -r "s/$rename_mib_name+/$2/g" | sed -r "s/,+//g"
+ else
+- /bin/xmlconfig -g $para | sed -r "s/$rename_mib_name+/$2/g"
++ case "$para" in
++ "OMCI_EQID")
++ echo "$para=MY_EQID"
++ ;;
++ "OMCI_VENDOR_ID")
++ echo "$para=MY_VENDOR"
++ ;;
++ "OMCI_SW_VER1")
++ echo "$para=MY_SW_VER1"
++ ;;
++ "OMCI_SW_VER2")
++ echo "$para=MY_SW_VER2"
++ ;;
++ "OMCI_ONT_VER")
++ echo "$para=MY_HW_VER"
++ ;;
++ *)
++ /bin/xmlconfig -g $para | sed -r "s/$rename_mib_name+/$2/g"
++ ;;
++ esac
+ fi
+ if [ "$?" = "0" ]; then
+ exit 0
+```
+### Increase the length of the software version from 13 to 14 characters
+`omci_app` has an hard-coded limit of 13 characters for the software version, which is too low. We can binary patch it to increase it to 14 (or more, if you dare/need)
+```
+JVhEWjAwNCUAAAAIAAgACAAAAAAAAAAAAAAAAAAAAABvbWNpX2FwcG9tY2lfYXBwH4sIAAAAAAAA
+AwMAAAAAAAAAAAAfiwgAAAAAAAADY2BoYGZgYFjh9Uq/aNcZQdXsOh3R5ktr/fd0sTEwcuTnJmfG
+JxYUYJVlZGAA0gCHsMK2QQAAAAAAAEQlWERaMDA0JQ==
+```
+Save it as omci_app.xdelta.b64, then run:
+```sh
+# base64 -d omci_app.xdelta.base64 > omci_app.xdelta
+# xdelta patch omci_app.xdelta bin/omci_app bin/omci_app.new
+# mv bin/omci_app.new bin/omci_app
+```
+For reference, the patch changes the follwing section of the omci_app:
+```diff
+-00408c24 24 05 00 0e li a1,0xe
++00408c24 24 05 00 0f li a1,0xf
+-00408cf0 24 05 00 0f li a1,0xe
++00408cf0 24 05 00 0f li a1,0xf
+```
+(It's inside the function referecing the string `OMCI_SW_VER1`)
## Miscellaneous Links