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3647b19f MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 IPFire Network Development Team # | |
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 | ||
3647b19f | 22 | function config_read() { |
144a8f96 MT |
23 | local file=${1} |
24 | assert isset file | |
25 | shift | |
26 | ||
27 | local valid_keys=$@ | |
28 | ||
29 | # Exit if the file cannot be read. | |
30 | [ -r "${file}" ] || return ${EXIT_ERROR} | |
31 | ||
32 | local line key val | |
33 | while read -r line; do | |
34 | case "${line}" in | |
35 | *=*) | |
36 | key=$(cli_get_key ${line}) | |
37 | ||
38 | # If valid keys is set, key must be in the list. | |
39 | if [ -n "${valid_keys}" ]; then | |
40 | if ! listmatch ${key} ${valid_keys}; then | |
41 | log DEBUG "Ignoring configuration setting: ${key}" | |
42 | continue | |
43 | fi | |
44 | fi | |
45 | ||
46 | val=$(cli_get_val ${line}) | |
47 | val=$(config_strip ${val}) | |
48 | ||
49 | # Assign variable. | |
50 | printf -v ${key} "%s" "${val}" | |
51 | ;; | |
52 | *) | |
53 | log DEBUG "Invalid line in configuration file: ${line}" | |
7bd91daa MT |
54 | ;; |
55 | esac | |
56 | done < ${file} | |
57 | } | |
58 | ||
59 | function config_read_array() { | |
60 | local file=${1} | |
61 | assert isset file | |
62 | shift | |
63 | ||
64 | local array=${1} | |
65 | assert isset array | |
66 | shift | |
67 | ||
68 | local valid_keys=$@ | |
69 | ||
70 | # Exit if the file cannot be read. | |
71 | [ -r "${file}" ] || return ${EXIT_ERROR} | |
72 | ||
73 | local line key val | |
74 | while read -r line; do | |
75 | case "${line}" in | |
76 | *=*) | |
77 | key=$(cli_get_key ${line}) | |
78 | ||
79 | # If valid_keys is set, key must be in the list. | |
80 | if [ -n "${valid_keys}" ]; then | |
81 | if ! listmatch ${key} ${valid_keys}; then | |
82 | log DEBUG "Ignoring configuration setting: ${key}" | |
83 | continue | |
84 | fi | |
85 | fi | |
86 | ||
87 | val=$(cli_get_val ${line}) | |
88 | val=$(config_strip ${val}) | |
89 | ||
90 | # Assign variable. | |
91 | printf -v "${array}["${key}"]" "%s" "${val}" | |
92 | ;; | |
93 | *) | |
94 | log DEBUG "Invalid line in configuration file: ${line}" | |
144a8f96 MT |
95 | ;; |
96 | esac | |
97 | done < ${file} | |
98 | } | |
99 | ||
100 | # Strip leading and trailing "s. | |
101 | function config_strip() { | |
f80ce052 MT |
102 | local var="$@" |
103 | ||
104 | # Do nothing for strings that contain spaces. | |
105 | if contains_spaces ${var}; then | |
106 | print "${var}" | |
107 | return ${EXIT_OK} | |
108 | fi | |
144a8f96 | 109 | |
04854c77 | 110 | unquote "${var}" |
3647b19f MT |
111 | } |
112 | ||
113 | function config_write() { | |
114 | local config_file=${1} | |
d2a21d01 | 115 | assert isset config_file |
3647b19f MT |
116 | shift |
117 | ||
118 | # Check if all values to be written are sane | |
ab699251 SS |
119 | if ! config_check; then |
120 | log CRITICAL "Configuration check failed. No config has been written." | |
121 | return ${EXIT_ERROR} | |
122 | fi | |
3647b19f MT |
123 | |
124 | log DEBUG "Writing configuration file ${config_file}." | |
125 | ||
126 | mkdir -p $(dirname ${config_file}) 2>/dev/null | |
127 | > ${config_file} | |
128 | ||
129 | local param | |
130 | for param in $(listsort $@); do | |
131 | echo "${param}=\"${!param}\"" >> ${config_file} | |
132 | done | |
133 | } | |
134 | ||
135 | function config_print() { | |
136 | local param | |
137 | ||
138 | for param in $(listsort $@); do | |
f6294d6a | 139 | printf "%-32s = %s\n" "${param}" "${!param}" |
3647b19f MT |
140 | done |
141 | } | |
142 | ||
143 | function config_check() { | |
144 | # If there is a function defined that is called __check | |
145 | # we call that function | |
4eb91679 SS |
146 | if [ -n "$(type -t _check)" ]; then |
147 | _check || return $? | |
148 | fi | |
149 | ||
150 | return ${EXIT_OK} | |
3647b19f MT |
151 | } |
152 | ||
97cb552e MT |
153 | function config_header() { |
154 | local what=${1} | |
155 | assert isset what | |
156 | ||
157 | # Print the header. | |
158 | echo "#" | |
159 | echo "# This is a ${what}." | |
cd464143 MT |
160 | echo "# THIS FILE IS AUTOMATICALLY GENERATED AND" |
161 | echo "# ANY CUSTOM CHANGES WILL BE OVERWRITTEN!" | |
97cb552e MT |
162 | echo "#" |
163 | echo "# $(date -u)" | |
164 | echo "#" | |
165 | echo | |
166 | } | |
167 | ||
3647b19f MT |
168 | function config_hostname() { |
169 | local hostname=${1} | |
170 | ||
171 | if [ -n "${hostname}" ]; then | |
172 | echo "${hostname}" > ${CONFIG_HOSTNAME} | |
173 | else | |
174 | echo "$(<${CONFIG_HOSTNAME})" | |
175 | fi | |
176 | } | |
177 | ||
144a8f96 MT |
178 | function config_domainname() { |
179 | local hostname=$(config_hostname) | |
180 | ||
181 | # Strip off the hostname part and just return | |
182 | # the domain part. | |
183 | print "${hostname#*.}" | |
184 | } | |
185 | ||
3647b19f MT |
186 | function config_set() { |
187 | while [ $# -gt 0 ]; do | |
188 | case "${1}" in | |
189 | *=*) | |
6c8635c9 MT |
190 | local key=$(cli_get_key ${1}) |
191 | local val=$(cli_get_val ${1}) | |
192 | ||
193 | log INFO "Setting configuration option '${key}=${val}'". | |
194 | ||
144a8f96 | 195 | printf -v ${key} "%s" "${val}" |
3647b19f MT |
196 | ;; |
197 | *) | |
198 | warning "Invalid parameter given: ${1}" | |
199 | ;; | |
200 | esac | |
201 | shift | |
202 | done | |
203 | } | |
204 | ||
205 | function network_config_read() { | |
144a8f96 | 206 | local options=${NETWORK_CONFIG_FILE_PARAMS} |
3647b19f | 207 | |
144a8f96 MT |
208 | # If the DEBUG variable has already been set, |
209 | # don't overwrite it. | |
210 | if [ -n "${DEBUG}" ]; then | |
211 | list_remove options DEBUG | |
3647b19f | 212 | fi |
144a8f96 MT |
213 | |
214 | config_read ${NETWORK_CONFIG_FILE} ${options} | |
3647b19f MT |
215 | } |
216 | ||
217 | function network_config_write() { | |
519d9b82 | 218 | config_write ${NETWORK_CONFIG_FILE} ${NETWORK_CONFIG_FILE_PARAMS} |
acc9efd5 MT |
219 | |
220 | # Update DNS configuration. | |
221 | dns_generate_resolvconf | |
3647b19f MT |
222 | } |
223 | ||
224 | function network_config_print() { | |
519d9b82 | 225 | config_print ${NETWORK_CONFIG_FILE_PARAMS} |
3647b19f MT |
226 | } |
227 | ||
228 | function firewall_config_read() { | |
1206f44c | 229 | config_read "${FIREWALL_CONFIG_FILE}" "${FIREWALL_CONFIG_PARAMS}" |
3647b19f MT |
230 | } |
231 | ||
232 | function firewall_config_write() { | |
1206f44c | 233 | config_write "${FIREWALL_CONFIG_FILE}" "${FIREWALL_CONFIG_PARAMS}" |
3647b19f MT |
234 | } |
235 | ||
236 | function firewall_config_print() { | |
1206f44c | 237 | config_print "${FIREWALL_CONFIG_PARAMS}" |
3647b19f | 238 | } |