mirror of
https://github.com/atmoz/sftp.git
synced 2024-11-17 12:51:33 -05:00
103 lines
2.3 KiB
Bash
Executable file
103 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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userConfPath="/etc/sftp-users.conf"
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userConfFinalPath="/var/run/sftp-users.conf"
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function printHelp() {
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echo "Add users as command arguments, STDIN or mounted in $userConfPath"
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echo "Syntax: user:pass[:e][:uid[:gid]]..."
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echo "Use --readme for more information and examples."
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}
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function printReadme() {
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cat /README.md
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echo "TIP: Read this in HTML format here: https://github.com/atmoz/sftp"
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}
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function createUser() {
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IFS=':' read -a param <<< $@
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user="${param[0]}"
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pass="${param[1]}"
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if [ -z "$user" ]; then
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echo "You must at least provide a username."
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printHelp
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exit 1
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fi
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if [ "${param[2]}" == "e" ]; then
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chpasswdOptions="-e"
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uid="${param[3]}"
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gid="${param[4]}"
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else
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uid="${param[2]}"
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gid="${param[3]}"
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fi
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useraddOptions="--no-user-group"
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if [ -n "$uid" ]; then
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useraddOptions="$useraddOptions --non-unique --uid $uid"
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fi
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if [ -n "$gid" ]; then
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useraddOptions="$useraddOptions --gid $gid"
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if [ "$(cat /etc/group | cut -d : -f3 | grep -q "$gid")" ]; then
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groupadd --gid $gid $gid
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fi
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fi
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useradd $useraddOptions $user
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chown root:root /home/$user
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chmod 755 /home/$user
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if [ -z "$pass" ]; then
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pass="$(echo `</dev/urandom tr -dc A-Za-z0-9 | head -c256`)"
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chpasswdOptions=""
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fi
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echo "$user:$pass" | chpasswd $chpasswdOptions
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cat /home/$user/.ssh/keys/* >> /home/$user/.ssh/authorized_keys
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chown $user /home/$user/.ssh/authorized_keys
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chmod 600 /home/$user/.ssh/authorized_keys
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}
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if [[ $1 =~ ^--help$|^-h$ ]]; then
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printHelp
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exit 0
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fi
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if [ "$1" == "--readme" ]; then
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printReadme
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exit 0
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fi
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# Append mounted config to final config
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if [ -f "$userConfPath" ]; then
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cat "$userConfPath" >> "$userConfFinalPath"
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fi
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# Append users from arguments to final config
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for user in "$@"; do
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echo "$user" >> "$userConfFinalPath"
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done
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# Append users from STDIN to final config
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while IFS= read -r user || [[ -n "$user" ]]; do
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echo "$user" >> "$userConfFinalPath"
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done
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if [ ! -f "$userConfFinalPath" ]; then
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echo "ERROR: Missing users!"
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printHelp
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exit 1
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fi
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# Import users from final conf file
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while IFS= read -r user || [[ -n "$user" ]]; do
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createUser "$user";
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done < "$userConfFinalPath"
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exec /usr/sbin/sshd -D
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