96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* upsconf.c - code for handling ups.conf ini-style parsing
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Copyright (C) 2001 Russell Kroll <rkroll@exploits.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "upsconf.h"
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#include "common.h"
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#include "parseconf.h"
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static char *ups_section;
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/* handle arguments separated by parseconf */
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static void conf_args(int numargs, char **arg)
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{
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if (numargs < 1)
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return;
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/* look for section headers - [upsname] */
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if ((arg[0][0] == '[') && (arg[0][strlen(arg[0])-1] == ']')) {
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free(ups_section);
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arg[0][strlen(arg[0])-1] = '\0';
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ups_section = xstrdup(&arg[0][1]);
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return;
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}
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/* handle 'foo' (flag) */
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if (numargs == 1) {
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do_upsconf_args(ups_section, arg[0], NULL);
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return;
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}
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if (numargs < 3)
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return;
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/* handle 'foo = bar', 'foo=bar', 'foo =bar' or 'foo= bar' forms */
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if (!strcmp(arg[1], "=")) {
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do_upsconf_args(ups_section, arg[0], arg[2]);
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return;
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}
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}
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/* called for fatal errors in parseconf like malloc failures */
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static void upsconf_err(const char *errmsg)
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{
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upslogx(LOG_ERR, "Fatal error in parseconf(ups.conf): %s", errmsg);
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}
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/* open the ups.conf, parse it, and call back do_upsconf_args() */
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void read_upsconf(void)
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{
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char fn[SMALLBUF];
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PCONF_CTX_t ctx;
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ups_section = NULL;
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snprintf(fn, sizeof(fn), "%s/ups.conf", confpath());
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pconf_init(&ctx, upsconf_err);
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if (!pconf_file_begin(&ctx, fn))
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fatalx(EXIT_FAILURE, "Can't open %s: %s", fn, ctx.errmsg);
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while (pconf_file_next(&ctx)) {
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if (pconf_parse_error(&ctx)) {
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upslogx(LOG_ERR, "Parse error: %s:%d: %s",
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fn, ctx.linenum, ctx.errmsg);
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continue;
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}
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conf_args(ctx.numargs, ctx.arglist);
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}
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pconf_finish(&ctx);
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free(ups_section);
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}
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