1 /*
2 * options.c
3 *
4 * Command line options parsing routine for apcupsd.
5 */
6
7 /*
8 * Copyright (C) 2000-2004 Kern Sibbald
9 * Copyright (C) 1999-2000 Riccardo Facchetti <riccardo@master.oasi.gpa.it>
10 * Copyright (C) 1996-99 Andre M. Hedrick <andre@suse.com>
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of version 2 of the GNU General
14 * Public License as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the Free
23 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
24 * MA 02110-1335, USA.
25 */
26
27 #include "apc.h"
28
29 static const char *const shortoptions = "bhRtTVf:d:pP:ko";
30
31 enum {
32 OPT_NOARG,
33 OPT_HELP,
34 OPT_VERSION,
35 OPT_CFGFILE,
36 OPT_DEBUG,
37 OPT_HIBERNATE,
38 OPT_POWEROFF,
39 OPT_TERMONPWRFAIL,
40 OPT_KILLONPWRFAIL,
41 OPT_PIDFILE
42 };
43
44 static const struct option longoptions[] = {
45 {"help", no_argument, NULL, OPT_HELP},
46 {"version", no_argument, NULL, OPT_VERSION},
47 {"config-file", required_argument, NULL, OPT_CFGFILE},
48 {"debug", required_argument, NULL, OPT_DEBUG},
49 {"killpower", no_argument, NULL, OPT_HIBERNATE},
50 {"hibernate", no_argument, NULL, OPT_HIBERNATE},
51 {"power-off", no_argument, NULL, OPT_POWEROFF},
52 {"term-on-powerfail", no_argument, NULL, OPT_TERMONPWRFAIL},
53 {"kill-on-powerfail", no_argument, NULL, OPT_KILLONPWRFAIL},
54 {"pid-file", required_argument, NULL, OPT_PIDFILE},
55 {0, no_argument, NULL, OPT_NOARG}
56 };
57
58 /* Globals used by command line options. */
59 int show_version = FALSE;
60 char *cfgfile = NULL;
61 int terminate_on_powerfail = FALSE;
62 int kill_on_powerfail = FALSE;
63 int dumb_mode_test = FALSE; /* for testing dumb mode */
64 int go_background = TRUE;
65 extern char *pidfile;
66 extern bool trace;
67
print_usage(char * argv[])68 static void print_usage(char *argv[])
69 {
70 printf("usage: apcupsd [options]\n"
71 " Options are as follows:\n"
72 " -b, don't go into background\n"
73 " -d, --debug <level> set debug level (>0)\n"
74 " -f, --config-file <file> load specified config file\n"
75 " -k, --killpower, --hibernate put UPS into hibernation mode [*]\n"
76 " -o, --power-off turn off UPS completely [*]\n"
77 " -P, --pid-file specify name of PID file\n"
78 " -p, --kill-on-powerfail hibernate UPS on powerfail\n"
79 " -R, put SmartUPS into dumb mode\n"
80 " -t, --term-on-powerfail terminate when battery power fails\n"
81 " -T send debug to ./apcupsd.trace\n"
82 " -V, --version display version info\n"
83 " -h, --help display this help\n"
84 "\n"
85 " [*] Only one parameter of this kind and apcupsd must not already be running.\n"
86 "\n"
87 "Copyright (C) 2004-2009 Adam Kropelin\n"
88 "Copyright (C) 1999-2005 Kern Sibbald\n"
89 "Copyright (C) 1996-1999 Andre Hedrick\n"
90 "Copyright (C) 1999-2001 Riccardo Facchetti\n"
91 "apcupsd is free software and comes with ABSOLUTELY NO WARRANTY\n"
92 "under the terms of the GNU General Public License\n"
93 "\n"
94 "Report bugs to apcupsd Support Center:\n"
95 " apcupsd-users@lists.sourceforge.net\n");
96 }
97
parse_options(int argc,char * argv[])98 int parse_options(int argc, char *argv[])
99 {
100 int options = 0;
101 int oneshot = FALSE;
102 int option_index;
103 int errflag = 0;
104 int c;
105
106 while (!errflag &&
107 (c = getopt_long(argc, argv, shortoptions,
108 longoptions, &option_index)) != -1) {
109 options++;
110
111 switch (c) {
112 case 'b': /* do not become daemon */
113 go_background = FALSE;
114 break;
115 case 'R':
116 dumb_mode_test = TRUE;
117 break;
118 case 'V':
119 case OPT_VERSION:
120 show_version = TRUE;
121 oneshot = TRUE;
122 break;
123 case 'f':
124 case OPT_CFGFILE:
125 if (optarg[0] == '-') {
126 /* Following option: no argument set for -f */
127 errflag++;
128 break;
129 }
130
131 /*
132 * The reason for this is that loading a different config file
133 * is not something dangerous when we are doing `oneshot' things
134 * and we may even want to load a different config file during
135 * `oneshot's.
136 */
137 options--;
138 cfgfile = optarg;
139 break;
140 case 'P':
141 case OPT_PIDFILE:
142 if (optarg[0] == '-') {
143 /* Following option: no argument set for -P */
144 errflag++;
145 break;
146 }
147 options--;
148 pidfile = optarg;
149 break;
150 case 'd':
151 case OPT_DEBUG:
152 if (optarg[0] == '-') {
153 /* Following option: no argument set for -d */
154 errflag++;
155 break;
156 }
157 /*
158 * The reason of this, is that enabling debugging is
159 * not something dangerous when we are doing `oneshot's
160 */
161 options--;
162 debug_level = atoi(optarg);
163 break;
164 case 'p':
165 case OPT_KILLONPWRFAIL:
166 kill_on_powerfail = TRUE;
167 break;
168 case 't':
169 case OPT_TERMONPWRFAIL:
170 terminate_on_powerfail = TRUE;
171 break;
172 case 'T':
173 trace = true;
174 break;
175 case 'k':
176 case OPT_HIBERNATE:
177 hibernate_ups = TRUE;
178 oneshot = TRUE;
179 break;
180 case 'o':
181 case OPT_POWEROFF:
182 shutdown_ups = TRUE;
183 oneshot = TRUE;
184 break;
185 case 'h':
186 case OPT_HELP:
187 default:
188 errflag++;
189 }
190 }
191
192 /* Win32-specific dynamic path handling... */
193 #ifdef HAVE_MINGW
194 extern char sbindir[MAXSTRING];
195
196 /* Obtain full path to this executable */
197 DWORD len = GetModuleFileName(NULL, sbindir, sizeof(sbindir)-1);
198 sbindir[len] = '\0';
199 Dmsg(200, "Exepath: %s\n", sbindir);
200 if (len == 0) {
201 /* Failed to get path, so make an assumption */
202 asnprintf(sbindir, sizeof(sbindir), "C:\\apcupsd\\bin\\apcupsd.exe");
203 }
204
205 /* Strip trailing filename component */
206 char *ptr = strrchr(sbindir, '\\');
207 if (ptr)
208 *ptr = '\0';
209 else
210 sbindir[0] = '\0';
211
212 /*
213 * If the user did not provide a -f argument to specify
214 * the location of apcupsd.conf, simulate one relative to current
215 * executable path.
216 */
217 if (cfgfile == APCCONF) {
218 asnprintf(APCCONF, sizeof(APCCONF),
219 "%s\\..\\etc\\apcupsd%s", sbindir, APCCONF_FILE);
220 }
221 #endif
222
223 if ((oneshot == TRUE) && options > 1) {
224 fprintf(stderr, "\nError: too many arguments.\n\n");
225 errflag++;
226 }
227
228 if (errflag)
229 print_usage(argv);
230
231 return errflag;
232 }
233