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https://github.com/myvesta/vesta.git
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e757dc408a
When I enabled SFTP chroot, "Subsystem sftp internal-sftp" was put directly after "UsePAM yes" (Ubuntu 16.04.1), which made "UsePAM yesSubsystem sftp internal-sftp", which obviously caused a syntax error. I fixed this by manually dividing those two options.
107 lines
3.1 KiB
Bash
Executable File
107 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# info: add system sftp jail
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# options: NONE
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#
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# The script enables sftp jailed environment
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#----------------------------------------------------------#
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# Variable&Function #
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#----------------------------------------------------------#
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# Importing system environment as we run this script
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# mostly by cron which do not read it by itself
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source /etc/profile
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# Includes
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source $VESTA/func/main.sh
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source $VESTA/conf/vesta.conf
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#----------------------------------------------------------#
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# Verifications #
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#----------------------------------------------------------#
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if [ -z "$SFTPJAIL_KEY" ]; then
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exit
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fi
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#----------------------------------------------------------#
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# Action #
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#----------------------------------------------------------#
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# Checking sshd directives
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config='/etc/ssh/sshd_config'
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sftp_n=$(grep -n "Subsystem.*sftp" $config |grep -v internal |grep -v ":#")
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sftp_i=$(grep -n "Subsystem.*sftp" $config |grep internal |grep -v ":#")
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# Disabling normal sftp
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if [ ! -z "$sftp_n" ]; then
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fline=$(echo $sftp_n |cut -f 1 -d :)
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sed -i "${fline}s/Subsystem.*sftp/#Subsystem sftp/" $config
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restart='yes'
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fi
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# Enabling jailed sftp
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if [ -z "$sftp_i" ]; then
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echo " " >> $config
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echo "Subsystem sftp internal-sftp" >> $config
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echo "Match Group sftp-only" >> $config
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echo "ChrootDirectory /chroot/%u" >> $config
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echo " AllowTCPForwarding no" >> $config
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echo " X11Forwarding no" >> $config
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echo " ForceCommand internal-sftp" >> $config
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restart='yes'
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fi
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# Validating opensshd config
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if [ "$restart" = 'yes' ]; then
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subj="OpenSSH restart failed"
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email=$(grep CONTACT $VESTA/data/users/admin/user.conf |cut -f 2 -d \')
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/usr/sbin/sshd -t >/dev/null 2>&1
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if [ "$?" -ne 0 ]; then
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mail_text="OpenSSH can not be restarted. Please check config:
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\n\n$(/usr/sbin/sshd -t)"
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echo -e "$mail_text" |$SENDMAIL -s "$subj" $email
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else
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service ssh restart >/dev/null 2>&1
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service sshd restart >/dev/null 2>&1
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fi
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fi
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# Adding sftp group
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groupadd sftp-only 2>/dev/null
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# Checking users
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shells="rssh|nologin"
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for user in $(grep "$HOMEDIR" /etc/passwd |egrep "$shells" |cut -f 1 -d:); do
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$BIN/v-add-user-sftp-jail $user
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done
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# Adding v-add-sys-sftp-jail to startup
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if [ -e "/etc/rc.local" ]; then
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check_sftp=$(grep $0 /etc/rc.local)
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check_exit=$(grep ^exit /etc/rc.local)
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if [ -z "$check_sftp" ]; then
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if [ -z "$check_exit" ]; then
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echo "$BIN/v-add-sys-sftp-jail" >> /etc/rc.local
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else
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sed -i "s|^exit|$BIN/v-add-sys-sftp-jail\nexit|" /etc/rc.local
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fi
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fi
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chmod +x /etc/rc.local
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else
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echo "$BIN/v-add-sys-sftp-jail" > /etc/rc.local
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chmod +x /etc/rc.local
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fi
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#----------------------------------------------------------#
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# Vesta #
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#----------------------------------------------------------#
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# Logging
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log_event "$OK" "$ARGUMENTS"
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exit
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