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f4b5dbe005
Due to some testing its possible to install the agent via occ and the frontend by setting this on 60s. Lower values didn't work in my testing. Signed-off-by: Bastian Derigs <155444921+derigs@users.noreply.github.com>
66 lines
3.8 KiB
INI
66 lines
3.8 KiB
INI
# Inspiration: https://github.com/Tecnativa/docker-socket-proxy/blob/master/haproxy.cfg
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global
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maxconn 10
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defaults
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timeout connect 60s
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timeout client 60s
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timeout server 60s
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frontend http
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mode http
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bind :::2375 v4v6
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http-request deny unless { src 127.0.0.1 } || { src ::1 } || { src NC_IPV4_PLACEHOLDER } || { src NC_IPV6_PLACEHOLDER }
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# docker system _ping
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/_ping$ } METH_GET
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# container inspect: GET containers/%s/json
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/json } METH_GET
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# container inspect: GET containers/%s/logs
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/logs } METH_GET
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# container start/stop: POST containers/%s/start containers/%s/stop
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((start)|(stop)) } METH_POST
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# container rm: DELETE containers/%s
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+ } METH_DELETE
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# container update/exec: POST containers/%s/update containers/%s/exec
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((update)|(exec)) } METH_POST
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# container put: PUT containers/%s/archive
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/archive } METH_PUT
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# run exec instance: POST exec/%s
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/exec/[a-zA-Z0-9_.-]+/start } METH_POST
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# container create: POST containers/create?name=%s
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# ACL to restrict container name to nc_app_[a-zA-Z0-9_.-]+
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acl nc_app_container_name url_param(name) -m reg -i "^nc_app_[a-zA-Z0-9_.-]+"
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# ACL to restrict the number of Mounts to 1
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acl one_mount_volume req.body -m reg -i "\"Mounts\"\s*:\s*\[\s*(?:(?!\"Mounts\"\s*:\s*\[)[^}]*)}[^}]*\]"
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# ACL to deny if there are any binds
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acl binds_present req.body -m reg -i "\"HostConfig\"\s*:.*\"Binds\"\s*:"
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# ACL to restrict the type of Mounts to volume
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acl type_not_volume req.body -m reg -i "\"Mounts\"\s*:\s*\[[^\]]*(\"Type\"\s*:\s*\"(?!volume\b)\w+\"[^\]]*)+\]"
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http-request deny if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/create } nc_app_container_name !one_mount_volume binds_present type_not_volume METH_POST
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# ACL to restrict container creation, that it has HostConfig.Privileged(by searching for "Privileged" word in all payload)
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acl no_privileged_flag req.body -m reg -i "\"Privileged\""
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# ACL to allow mount volume with strict pattern for name: nc_app_[a-zA-Z0-9_.-]+_data
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acl nc_app_volume_data_only req.body -m reg -i "\"Mounts\"\s*:\s*\[\s*{[^}]*\"Source\"\s*:\s*\"nc_app_[a-zA-Z0-9_.-]+_data\""
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/create } nc_app_container_name !no_privileged_flag nc_app_volume_data_only METH_POST
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# end of container create
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# volume create: POST volumes/create
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# restrict name
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acl nc_app_volume_data req.body -m reg -i "\"Name\"\s*:\s*\"nc_app_[a-zA-Z0-9_.-]+_data\""
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# do not allow to use "device" word e.g., "--opt device=:/path/to/dir"
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acl volume_no_device req.body -m reg -i "\"device\""
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/create } nc_app_volume_data !volume_no_device METH_POST
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# volume rm: DELETE volumes/%s
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/nc_app_[a-zA-Z0-9_.-]+_data } METH_DELETE
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# image pull: POST images/create?fromImage=%s
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/images/create } METH_POST
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http-request deny
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default_backend dockerbackend
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backend dockerbackend
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mode http
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server dockersocket /var/run/docker.sock
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