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
|
/* upsconf.c - code for handling ups.conf ini-style parsing
Copyright (C) 2001 Russell Kroll <rkroll@exploits.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "upsconf.h"
#include "common.h"
#include "parseconf.h"
static char *ups_section;
/* handle arguments separated by parseconf */
static void conf_args(int numargs, char **arg)
{
char *ep;
if (numargs < 1)
return;
/* look for section headers - [upsname] */
if ((arg[0][0] == '[') && (arg[0][strlen(arg[0])-1] == ']')) {
free(ups_section);
arg[0][strlen(arg[0])-1] = '\0';
ups_section = xstrdup(&arg[0][1]);
return;
}
/* handle 'foo=bar' (compressed form) */
ep = strchr(arg[0], '=');
if (ep) {
*ep = '\0';
do_upsconf_args(ups_section, arg[0], ep+1);
return;
}
/* handle 'foo' (flag) */
if (numargs == 1) {
do_upsconf_args(ups_section, arg[0], NULL);
return;
}
if (numargs < 3)
return;
/* handle 'foo = bar' (split form) */
if (!strcmp(arg[1], "=")) {
do_upsconf_args(ups_section, arg[0], arg[2]);
return;
}
}
/* called for fatal errors in parseconf like malloc failures */
static void upsconf_err(const char *errmsg)
{
upslogx(LOG_ERR, "Fatal error in parseconf(ups.conf): %s", errmsg);
}
/* open the ups.conf, parse it, and call back do_upsconf_args() */
void read_upsconf(void)
{
char fn[SMALLBUF];
PCONF_CTX_t ctx;
ups_section = NULL;
snprintf(fn, sizeof(fn), "%s/ups.conf", confpath());
pconf_init(&ctx, upsconf_err);
if (!pconf_file_begin(&ctx, fn))
fatalx(EXIT_FAILURE, "Can't open %s: %s", fn, ctx.errmsg);
while (pconf_file_next(&ctx)) {
if (pconf_parse_error(&ctx)) {
upslogx(LOG_ERR, "Parse error: %s:%d: %s",
fn, ctx.linenum, ctx.errmsg);
continue;
}
conf_args(ctx.numargs, ctx.arglist);
}
pconf_finish(&ctx);
free(ups_section);
}
|
