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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
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 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include "util.h" | |
23 | #include "conf-parser.h" | |
24 | ||
25 | #include "networkd-util.h" | |
26 | ||
27 | const char *address_family_boolean_to_string(AddressFamilyBoolean b) { | |
28 | if (b == ADDRESS_FAMILY_YES || | |
29 | b == ADDRESS_FAMILY_NO) | |
30 | return yes_no(b == ADDRESS_FAMILY_YES); | |
31 | ||
32 | if (b == ADDRESS_FAMILY_IPV4) | |
33 | return "ipv4"; | |
34 | if (b == ADDRESS_FAMILY_IPV6) | |
35 | return "ipv6"; | |
36 | ||
37 | return NULL; | |
38 | } | |
39 | ||
40 | AddressFamilyBoolean address_family_boolean_from_string(const char *s) { | |
41 | int r; | |
42 | ||
43 | /* Make this a true superset of a boolean */ | |
44 | ||
45 | r = parse_boolean(s); | |
46 | if (r > 0) | |
47 | return ADDRESS_FAMILY_YES; | |
48 | if (r == 0) | |
49 | return ADDRESS_FAMILY_NO; | |
50 | ||
51 | if (streq(s, "ipv4")) | |
52 | return ADDRESS_FAMILY_IPV4; | |
53 | if (streq(s, "ipv6")) | |
54 | return ADDRESS_FAMILY_IPV6; | |
55 | ||
56 | return _ADDRESS_FAMILY_BOOLEAN_INVALID; | |
57 | } | |
58 | ||
59 | DEFINE_CONFIG_PARSE_ENUM(config_parse_address_family_boolean, address_family_boolean, AddressFamilyBoolean, "Failed to parse option"); | |
60 | ||
61 | int config_parse_address_family_boolean_with_kernel( | |
62 | const char* unit, | |
63 | const char *filename, | |
64 | unsigned line, | |
65 | const char *section, | |
66 | unsigned section_line, | |
67 | const char *lvalue, | |
68 | int ltype, | |
69 | const char *rvalue, | |
70 | void *data, | |
71 | void *userdata) { | |
72 | ||
73 | AddressFamilyBoolean *fwd = data, s; | |
74 | ||
75 | assert(filename); | |
76 | assert(lvalue); | |
77 | assert(rvalue); | |
78 | assert(data); | |
79 | ||
80 | s = address_family_boolean_from_string(rvalue); | |
81 | if (s < 0) { | |
82 | if (streq(rvalue, "kernel")) | |
83 | s = _ADDRESS_FAMILY_BOOLEAN_INVALID; | |
84 | else { | |
6300502b | 85 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPForwarding= option, ignoring: %s", rvalue); |
d9dfd233 MP |
86 | return 0; |
87 | } | |
88 | } | |
89 | ||
90 | *fwd = s; | |
91 | ||
92 | return 0; | |
93 | } | |
94 | ||
95 | static const char* const resolve_support_table[_RESOLVE_SUPPORT_MAX] = { | |
96 | [RESOLVE_SUPPORT_NO] = "no", | |
97 | [RESOLVE_SUPPORT_YES] = "yes", | |
98 | [RESOLVE_SUPPORT_RESOLVE] = "resolve", | |
99 | }; | |
100 | ||
101 | DEFINE_STRING_TABLE_LOOKUP(resolve_support, ResolveSupport); | |
102 | ||
103 | int config_parse_resolve( | |
104 | const char* unit, | |
105 | const char *filename, | |
106 | unsigned line, | |
107 | const char *section, | |
108 | unsigned section_line, | |
109 | const char *lvalue, | |
110 | int ltype, | |
111 | const char *rvalue, | |
112 | void *data, | |
113 | void *userdata) { | |
114 | ||
115 | ResolveSupport *resolve = data; | |
116 | int k; | |
117 | ||
118 | assert(filename); | |
119 | assert(lvalue); | |
120 | assert(rvalue); | |
121 | assert(resolve); | |
122 | ||
123 | /* Our enum shall be a superset of booleans, hence first try | |
124 | * to parse as boolean, and then as enum */ | |
125 | ||
126 | k = parse_boolean(rvalue); | |
127 | if (k > 0) | |
128 | *resolve = RESOLVE_SUPPORT_YES; | |
129 | else if (k == 0) | |
130 | *resolve = RESOLVE_SUPPORT_NO; | |
131 | else { | |
132 | ResolveSupport s; | |
133 | ||
134 | s = resolve_support_from_string(rvalue); | |
135 | if (s < 0){ | |
6300502b | 136 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse %s= option, ignoring: %s", lvalue, rvalue); |
d9dfd233 MP |
137 | return 0; |
138 | } | |
139 | ||
140 | *resolve = s; | |
141 | } | |
142 | ||
143 | return 0; | |
144 | } |