1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2014 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "alloc-util.h"
#include "conf-parser.h"
#include "def.h"
#include "extract-word.h"
#include "parse-util.h"
#include "resolved-conf.h"
#include "string-util.h"
int manager_add_dns_server_by_string(Manager *m, DnsServerType type, const char *word) {
union in_addr_union address;
int family, r;
DnsServer *s;
assert(m);
assert(word);
r = in_addr_from_string_auto(word, &family, &address);
if (r < 0)
return r;
/* Filter out duplicates */
s = manager_find_dns_server(m, type, family, &address);
if (s) {
/*
* Drop the marker. This is used to find the servers
* that ceased to exist, see
* manager_mark_dns_servers() and
* manager_flush_marked_dns_servers().
*/
s->marked = false;
return 0;
}
return dns_server_new(m, NULL, type, NULL, family, &address);
}
int manager_parse_dns_server_string_and_warn(Manager *m, DnsServerType type, const char *string) {
int r;
assert(m);
assert(string);
for(;;) {
_cleanup_free_ char *word = NULL;
r = extract_first_word(&string, &word, NULL, 0);
if (r < 0)
return r;
if (r == 0)
break;
r = manager_add_dns_server_by_string(m, type, word);
if (r < 0) {
log_warning_errno(r, "Failed to add DNS server address '%s', ignoring.", word);
continue;
}
}
return 0;
}
int config_parse_dns_servers(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
Manager *m = userdata;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(m);
if (isempty(rvalue))
/* Empty assignment means clear the list */
manager_flush_dns_servers(m, ltype);
else {
/* Otherwise, add to the list */
r = manager_parse_dns_server_string_and_warn(m, ltype, rvalue);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse DNS server string '%s'. Ignoring.", rvalue);
return 0;
}
}
/* If we have a manual setting, then we stop reading
* /etc/resolv.conf */
if (ltype == DNS_SERVER_SYSTEM)
m->read_resolv_conf = false;
return 0;
}
int config_parse_support(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
Support support, *v = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
support = support_from_string(rvalue);
if (support < 0) {
r = parse_boolean(rvalue);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse support level '%s'. Ignoring.", rvalue);
return 0;
}
support = r ? SUPPORT_YES : SUPPORT_NO;
}
*v = support;
return 0;
}
int manager_parse_config_file(Manager *m) {
assert(m);
return config_parse_many(PKGSYSCONFDIR "/resolved.conf",
CONF_PATHS_NULSTR("systemd/resolved.conf.d"),
"Resolve\0",
config_item_perf_lookup, resolved_gperf_lookup,
false, m);
}
|
