]>
git.ipfire.org Git - people/ms/systemd.git/blob - conf-parser.c
1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include "conf-parser.h"
34 #define COMMENTS "#;\n"
35 #define NEWLINES "\n\r"
38 /* Run the user supplied parser for an assignment */
39 static int next_assignment(
53 for (; t
->parse
; t
++) {
55 if (t
->lvalue
&& !streq(lvalue
, t
->lvalue
))
58 if (t
->section
&& !section
)
61 if (t
->section
&& !streq(section
, t
->section
))
64 return t
->parse(filename
, line
, section
, lvalue
, rvalue
, t
->data
, userdata
);
67 log_info("[%s:%u] Unknown lvalue '%s' in section '%s'. Ignoring.", filename
, line
, lvalue
, strna(section
));
71 /* Parse a variable assignment line */
72 static int parse_line(const char *filename
, unsigned line
, char **section
, const char* const * sections
, const ConfigItem
*t
, char *l
, void *userdata
) {
80 if (strchr(COMMENTS
, *l
))
83 if (startswith(l
, ".include ")) {
87 if (!(fn
= file_in_same_dir(filename
, strstrip(l
+9))))
90 r
= config_parse(fn
, NULL
, sections
, t
, userdata
);
104 log_error("[%s:%u] Invalid section header.", filename
, line
);
108 if (!(n
= strndup(l
+1, k
-2)))
111 if (sections
&& !strv_contains((char**) sections
, n
)) {
122 if (!(e
= strchr(l
, '='))) {
123 log_error("[%s:%u] Missing '='.", filename
, line
);
130 return next_assignment(filename
, line
, *section
, t
, strstrip(l
), strstrip(e
), userdata
);
133 /* Go through the file and parse each line */
134 int config_parse(const char *filename
, FILE *f
, const char* const * sections
, const ConfigItem
*t
, void *userdata
) {
136 char *section
= NULL
;
144 if (!(f
= fopen(filename
, "re"))) {
146 log_error("Failed to open configuration file '%s': %s", filename
, strerror(-r
));
156 if (!fgets(l
, sizeof(l
), f
)) {
161 log_error("Failed to read configuration file '%s': %s", filename
, strerror(-r
));
165 if ((r
= parse_line(filename
, ++line
, §ion
, sections
, t
, l
, userdata
)) < 0)
180 int config_parse_int(
181 const char *filename
,
197 if ((r
= safe_atoi(rvalue
, i
)) < 0) {
198 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
205 int config_parse_unsigned(
206 const char *filename
,
222 if ((r
= safe_atou(rvalue
, u
)) < 0) {
223 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
230 int config_parse_size(
231 const char *filename
,
248 if ((r
= safe_atou(rvalue
, &u
)) < 0) {
249 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
257 int config_parse_bool(
258 const char *filename
,
274 if ((k
= parse_boolean(rvalue
)) < 0) {
275 log_error("[%s:%u] Failed to parse boolean value: %s", filename
, line
, rvalue
);
283 int config_parse_string(
284 const char *filename
,
301 if (!(n
= strdup(rvalue
)))
312 int config_parse_path(
313 const char *filename
,
329 if (*rvalue
!= '/') {
330 log_error("[%s:%u] Not an absolute path: %s", filename
, line
, rvalue
);
334 if (!(n
= strdup(rvalue
)))
343 int config_parse_strv(
344 const char *filename
,
364 k
= strv_length(*sv
);
365 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
)
368 if (!(n
= new(char*, k
+1)))
372 for (k
= 0; (*sv
)[k
]; k
++)
377 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
)
378 if (!(n
[k
++] = strndup(w
, l
)))