]>
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"
37 /* Run the user supplied parser for an assignment */
38 static int next_assignment(
52 for (; t
->parse
; t
++) {
54 if (t
->lvalue
&& !streq(lvalue
, t
->lvalue
))
57 if (t
->section
&& !section
)
60 if (t
->section
&& !streq(section
, t
->section
))
63 return t
->parse(filename
, line
, section
, lvalue
, rvalue
, t
->data
, userdata
);
66 /* Warn about unknown non-extension fields. */
67 if (!startswith(lvalue
, "X-"))
68 log_info("[%s:%u] Unknown lvalue '%s' in section '%s'. Ignoring.", filename
, line
, lvalue
, strna(section
));
73 /* Parse a variable assignment line */
74 static int parse_line(const char *filename
, unsigned line
, char **section
, const char* const * sections
, const ConfigItem
*t
, char *l
, void *userdata
) {
82 if (strchr(COMMENTS
, *l
))
85 if (startswith(l
, ".include ")) {
89 if (!(fn
= file_in_same_dir(filename
, strstrip(l
+9))))
92 r
= config_parse(fn
, NULL
, sections
, t
, userdata
);
106 log_error("[%s:%u] Invalid section header.", filename
, line
);
110 if (!(n
= strndup(l
+1, k
-2)))
113 if (sections
&& !strv_contains((char**) sections
, n
)) {
114 log_error("[%s:%u] Unknown section '%s'.", filename
, line
, n
);
125 if (!(e
= strchr(l
, '='))) {
126 log_error("[%s:%u] Missing '='.", filename
, line
);
133 return next_assignment(filename
, line
, *section
, t
, strstrip(l
), strstrip(e
), userdata
);
136 /* Go through the file and parse each line */
137 int config_parse(const char *filename
, FILE *f
, const char* const * sections
, const ConfigItem
*t
, void *userdata
) {
139 char *section
= NULL
;
147 if (!(f
= fopen(filename
, "re"))) {
149 log_error("Failed to open configuration file '%s': %s", filename
, strerror(-r
));
159 if (!fgets(l
, sizeof(l
), f
)) {
164 log_error("Failed to read configuration file '%s': %s", filename
, strerror(-r
));
168 if ((r
= parse_line(filename
, ++line
, §ion
, sections
, t
, l
, userdata
)) < 0)
183 int config_parse_int(
184 const char *filename
,
200 if ((r
= safe_atoi(rvalue
, i
)) < 0) {
201 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
208 int config_parse_unsigned(
209 const char *filename
,
225 if ((r
= safe_atou(rvalue
, u
)) < 0) {
226 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
233 int config_parse_size(
234 const char *filename
,
251 if ((r
= safe_atou(rvalue
, &u
)) < 0) {
252 log_error("[%s:%u] Failed to parse numeric value: %s", filename
, line
, rvalue
);
260 int config_parse_bool(
261 const char *filename
,
277 if ((k
= parse_boolean(rvalue
)) < 0) {
278 log_error("[%s:%u] Failed to parse boolean value: %s", filename
, line
, rvalue
);
286 int config_parse_string(
287 const char *filename
,
304 if (!(n
= strdup(rvalue
)))
315 int config_parse_path(
316 const char *filename
,
332 if (!path_is_absolute(rvalue
)) {
333 log_error("[%s:%u] Not an absolute path: %s", filename
, line
, rvalue
);
337 if (!(n
= strdup(rvalue
)))
346 int config_parse_strv(
347 const char *filename
,
367 k
= strv_length(*sv
);
368 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
)
371 if (!(n
= new(char*, k
+1)))
375 for (k
= 0; (*sv
)[k
]; k
++)
380 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
)
381 if (!(n
[k
++] = strndup(w
, l
)))
398 int config_parse_path_strv(
399 const char *filename
,
420 k
= strv_length(*sv
);
421 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
)
424 if (!(n
= new(char*, k
+1)))
429 for (; (*sv
)[k
]; k
++)
432 FOREACH_WORD_QUOTED(w
, l
, rvalue
, state
) {
433 if (!(n
[k
] = strndup(w
, l
))) {
438 if (!path_is_absolute(n
[k
])) {
439 log_error("[%s:%u] Not an absolute path: %s", filename
, line
, rvalue
);