mirror of
https://github.com/YunoHost/yunohost.git
synced 2024-09-03 20:06:10 +02:00
132 lines
3.7 KiB
Bash
132 lines
3.7 KiB
Bash
#!/bin/bash
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# Find a free port and return it
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#
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# [packagingv1]
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#
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# usage: ynh_find_port --port=begin_port
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# | arg: -p, --port= - port to start to search
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# | ret: the port number
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#
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# example: port=$(ynh_find_port --port=8080)
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#
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# Requires YunoHost version 2.6.4 or higher.
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ynh_find_port() {
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# Declare an array to define the options of this helper.
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local legacy_args=p
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local -A args_array=([p]=port=)
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local port
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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test -n "$port" || ynh_die --message="The argument of ynh_find_port must be a valid port."
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while ! ynh_port_available --port=$port; do
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port=$((port + 1))
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done
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echo $port
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}
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# Test if a port is available
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#
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# [packagingv1]
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#
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# usage: ynh_find_port --port=XYZ
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# | arg: -p, --port= - port to check
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# | ret: 0 if the port is available, 1 if it is already used by another process.
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#
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# example: ynh_port_available --port=1234 || ynh_die --message="Port 1234 is needs to be available for this app"
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#
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# Requires YunoHost version 3.8.0 or higher.
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ynh_port_available() {
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# Declare an array to define the options of this helper.
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local legacy_args=p
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local -A args_array=([p]=port=)
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local port
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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# Check if the port is free
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if ss --numeric --listening --tcp --udp | awk '{print$5}' | grep --quiet --extended-regexp ":$port$"; then
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return 1
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# This is to cover (most) case where an app is using a port yet ain't currently using it for some reason (typically service ain't up)
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elif grep -q "port: '$port'" /etc/yunohost/apps/*/settings.yml; then
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return 1
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else
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return 0
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fi
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}
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# Validate an IP address
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#
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# [internal]
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#
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# usage: ynh_validate_ip --family=family --ip_address=ip_address
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# | ret: 0 for valid ip addresses, 1 otherwise
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#
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# example: ynh_validate_ip 4 111.222.333.444
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_validate_ip() {
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# http://stackoverflow.com/questions/319279/how-to-validate-ip-address-in-python#319298
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# Declare an array to define the options of this helper.
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local legacy_args=fi
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local -A args_array=([f]=family= [i]=ip_address=)
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local family
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local ip_address
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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[ "$family" == "4" ] || [ "$family" == "6" ] || return 1
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python3 /dev/stdin <<EOF
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import socket
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import sys
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family = { "4" : socket.AF_INET, "6" : socket.AF_INET6 }
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try:
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socket.inet_pton(family["$family"], "$ip_address")
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except socket.error:
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sys.exit(1)
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sys.exit(0)
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EOF
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}
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# Validate an IPv4 address
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#
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# usage: ynh_validate_ip4 --ip_address=ip_address
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# | arg: -i, --ip_address= - the ipv4 address to check
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# | ret: 0 for valid ipv4 addresses, 1 otherwise
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#
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# example: ynh_validate_ip4 111.222.333.444
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_validate_ip4() {
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# Declare an array to define the options of this helper.
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local legacy_args=i
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local -A args_array=([i]=ip_address=)
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local ip_address
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_validate_ip --family=4 --ip_address=$ip_address
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}
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# Validate an IPv6 address
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#
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# usage: ynh_validate_ip6 --ip_address=ip_address
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# | arg: -i, --ip_address= - the ipv6 address to check
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# | ret: 0 for valid ipv6 addresses, 1 otherwise
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#
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# example: ynh_validate_ip6 2000:dead:beef::1
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_validate_ip6() {
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# Declare an array to define the options of this helper.
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local legacy_args=i
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local -A args_array=([i]=ip_address=)
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local ip_address
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_validate_ip --family=6 --ip_address=$ip_address
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}
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