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52ad194e | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
5a920b42 MP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2016 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
5a920b42 | 21 | #include "conf-parser.h" |
81c58355 MB |
22 | #include "parse-util.h" |
23 | #include "string-util.h" | |
24 | #include "vlan-util.h" | |
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25 | |
26 | int parse_vlanid(const char *p, uint16_t *ret) { | |
27 | uint16_t id; | |
28 | int r; | |
29 | ||
30 | r = safe_atou16(p, &id); | |
31 | if (r < 0) | |
32 | return r; | |
33 | if (!vlanid_is_valid(id)) | |
34 | return -ERANGE; | |
35 | ||
36 | *ret = id; | |
37 | return 0; | |
38 | } | |
39 | ||
81c58355 MB |
40 | int config_parse_default_port_vlanid( |
41 | const char *unit, | |
42 | const char *filename, | |
43 | unsigned line, | |
44 | const char *section, | |
45 | unsigned section_line, | |
46 | const char *lvalue, | |
47 | int ltype, | |
48 | const char *rvalue, | |
49 | void *data, | |
50 | void *userdata) { | |
51 | uint16_t *id = data; | |
52 | ||
53 | assert(lvalue); | |
54 | assert(rvalue); | |
55 | assert(data); | |
56 | ||
57 | if (streq(rvalue, "none")) { | |
58 | *id = 0; | |
59 | return 0; | |
60 | } | |
61 | ||
62 | return config_parse_vlanid(unit, filename, line, section, section_line, | |
63 | lvalue, ltype, rvalue, data, userdata); | |
64 | } | |
65 | ||
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66 | int config_parse_vlanid( |
67 | const char *unit, | |
68 | const char *filename, | |
69 | unsigned line, | |
70 | const char *section, | |
71 | unsigned section_line, | |
72 | const char *lvalue, | |
73 | int ltype, | |
74 | const char *rvalue, | |
75 | void *data, | |
76 | void *userdata) { | |
77 | ||
78 | uint16_t *id = data; | |
79 | int r; | |
80 | ||
81 | assert(filename); | |
82 | assert(lvalue); | |
83 | assert(rvalue); | |
84 | assert(data); | |
85 | ||
86 | r = parse_vlanid(rvalue, id); | |
87 | if (r == -ERANGE) { | |
88 | log_syntax(unit, LOG_ERR, filename, line, r, "VLAN identifier outside of valid range 0…4094, ignoring: %s", rvalue); | |
89 | return 0; | |
90 | } | |
91 | if (r < 0) { | |
92 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse VLAN identifier value, ignoring: %s", rvalue); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | return 0; | |
97 | } |