initial upload

Dockerfile

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+FROM alpine:3.12.12
+
+RUN apk --no-cache --no-progress upgrade && \
+    apk --no-cache --no-progress add bash tini && \
+    # SMBv1 protocols were deprecated in 4.13 -> https://www.samba.org/samba/history/samba-4.13.0.html
+    apk --no-cache --no-progress add samba=4.12.15-r0 --repository=http://dl-cdn.alpinelinux.org/alpine/v3.12/main && \
+    file="/etc/samba/smb.conf" && \
+    sed -i 's|^;* *\(log file = \).*|   \1/dev/stdout|' $file && \
+    sed -i '/Share Definitions/,$d' $file && \
+    echo '   ntlm auth = yes' >>$file && \
+    echo '   min protocol = LANMAN1' >>$file
+
+EXPOSE 137/udp 138/udp 139 445
+
+COPY ./setup.sh /etc/setup.sh
+RUN chmod +x /etc/setup.sh
+ENTRYPOINT ["/sbin/tini", "--", "/etc/setup.sh"]

README.md

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-# docker-smb1
-A docker container supporting "scan to share" for older scanners 
+# Samba container with SMB1 suppport
+
+Some devices like my old printer/scanner (Canon MB5150) only support deprecated protocols to scan to.
+This container sets up a network share that it can access.
+
+## Install
+1. Clone repo
+2. Adjust username, password, share name and the local path on your system
+3. Run `docker compose up -d`

docker-compose.yml

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+services:
+  smb1:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: smb-for-scanning
+    environment:
+      SMB_USERNAME: example_username
+      SMB_PASSWORD: example_password
+      SHARE_NAME: example_sharename
+    ports:
+      - "445:445/tcp"
+    volumes:
+      - /path/to/local/directory:/share

setup.sh

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+#!/usr/bin/env bash
+set -o nounset
+file="/etc/samba/smb.conf"
+
+adduser -D -H "$SMB_USERNAME"&& echo User "$SMB_USERNAME" was added to the system
+echo -e "$SMB_PASSWORD\n$SMB_PASSWORD" | smbpasswd -s -a "$SMB_USERNAME"
+smbpasswd -e "$SMB_USERNAME" > /dev/null
+
+if [ ! -d /share ] ; then
+        mkdir /share
+fi
+chgrp "$SMB_USERNAME" /share
+chown -R "$SMB_USERNAME" /share
+
+echo '' >>$file && \
+echo "   [$SHARE_NAME]" >>$file && \
+echo '   path = /share'  >>$file && \
+echo '   browsable = yes'  >>$file && \
+echo '   read only = no'  >>$file && \
+echo '   guest ok = no'  >>$file && \
+echo '   veto files = /.apdisk/.DS_Store/.TemporaryItems/.Trashes/desktop.ini/ehthumbs.db/Network Trash Folder/Temporary Items/Thumbs.db/'  >>$file && \
+echo '   delete veto files = yes'  >>$file && \
+echo "   valid users = $SMB_USERNAME"  >>$file
+
+smbd -FS --no-process-group && sleep infinity