projects / people / ms / network.git / blame
| Commit | Line | Data |
|---|---|---|
| ef953be2 | 1 | #!/bin/bash |
| 15a5f44d MT |
2 | ############################################################################### |
| 3 | # # | |
| 4 | # IPFire.org - A linux based firewall # | |
| ef953be2 | 5 | # Copyright (C) 2013 IPFire Network Development Team # |
| 15a5f44d MT |
6 | # # |
| 7 | # This program is free software: you can redistribute it and/or modify # | |
| 8 | # it under the terms of the GNU General Public License as published by # | |
| 9 | # the Free Software Foundation, either version 3 of the License, or # | |
| 10 | # (at your option) any later version. # | |
| 11 | # # | |
| 12 | # This program is distributed in the hope that it will be useful, # | |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
| 15 | # GNU General Public License for more details. # | |
| 16 | # # | |
| 17 | # You should have received a copy of the GNU General Public License # | |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
| 19 | # # | |
| 20 | ############################################################################### | |
| 21 | ||
| ef953be2 MT |
22 | SYSCTL_PATH="/proc/sys" |
| 23 | ||
| 24 | function sysctl_key_to_path() { | |
| 25 | local key="${1}" | |
| 26 | assert isset key | |
| 27 | ||
| 28 | print "${SYSCTL_PATH}/${key//.//}" | |
| 29 | ||
| 30 | return ${EXIT_OK} | |
| 31 | } | |
| 32 | ||
| 33 | function sysctl_key_exists() { | |
| 34 | local key="${1}" | |
| 35 | assert isset key | |
| 36 | ||
| 37 | local path="$(sysctl_key_to_path "${key}")" | |
| 38 | ||
| 39 | [ -e "${path}" ] && return ${EXIT_OK} | |
| 40 | return ${EXIT_ERROR} | |
| 41 | } | |
| 42 | ||
| 43 | function sysctl_get() { | |
| 44 | local key="${1}" | |
| 45 | assert isset key | |
| 46 | ||
| 47 | fread "$(sysctl_key_to_path "${key}")" || return $? | |
| 48 | return ${EXIT_OK} | |
| 49 | } | |
| 50 | ||
| 51 | function sysctl_set() { | |
| 52 | local key="${1}" | |
| 53 | assert isset key | |
| 54 | ||
| 55 | local value="${2}" | |
| 56 | ||
| 57 | fwrite "$(sysctl_key_to_path "${key}")" "${value}" || return $? | |
| 58 | return ${EXIT_OK} | |
| 59 | } | |
| 60 | ||
| 61 | function sysctl_set_bool() { | |
| 62 | local key="${1}" | |
| 63 | ||
| 64 | local value="${2}" | |
| 65 | if enabled value; then | |
| 66 | value="1" | |
| 67 | else | |
| 68 | value="0" | |
| 69 | fi | |
| 70 | ||
| 71 | sysctl_set "${key}" "${value}" | |
| 72 | } | |
| 73 | ||
| 74 | function sysctl_set_recursively() { | |
| 75 | local basekey="${1}" | |
| 76 | assert isset basekey | |
| 77 | ||
| 78 | local subkey="${2}" | |
| 79 | assert isset subkey | |
| 80 | ||
| 81 | local value="${3}" | |
| 82 | ||
| 83 | local basepath="$(sysctl_key_to_path "${basekey}")" | |
| 84 | local subpath="/${subkey//\.//}" | |
| 85 | ||
| 86 | local path | |
| 87 | for path in $(find "${basepath}" -type f); do | |
| 88 | [[ ${path} =~ ${subpath}$ ]] || continue | |
| 89 | ||
| 90 | fwrite "${path}" "${value}" | |
| 91 | done | |
| 92 | ||
| 93 | return ${EXIT_OK} | |
| 94 | } |