xref: /illumos-gate/usr/src/cmd/fm/fmadm/common/fmadm.c (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <strings.h>
30 #include <limits.h>
31 #include <stdlib.h>
32 #include <stdarg.h>
33 #include <stdio.h>
34 #include <errno.h>
35 
36 #include <fmadm.h>
37 
38 static const char *g_pname;
39 static fmd_adm_t *g_adm;
40 static int g_quiet;
41 
42 /*PRINTFLIKE1*/
43 void
44 note(const char *format, ...)
45 {
46 	va_list ap;
47 
48 	if (g_quiet)
49 		return; /* suppress notices if -q specified */
50 
51 	(void) fprintf(stdout, "%s: ", g_pname);
52 	va_start(ap, format);
53 	(void) vfprintf(stdout, format, ap);
54 	va_end(ap);
55 }
56 
57 static void
58 vwarn(const char *format, va_list ap)
59 {
60 	int err = errno;
61 
62 	(void) fprintf(stderr, "%s: ", g_pname);
63 
64 	if (format != NULL)
65 		(void) vfprintf(stderr, format, ap);
66 
67 	errno = err; /* restore errno for fmd_adm_errmsg() */
68 
69 	if (format == NULL)
70 		(void) fprintf(stderr, "%s\n", fmd_adm_errmsg(g_adm));
71 	else if (strchr(format, '\n') == NULL)
72 		(void) fprintf(stderr, ": %s\n", fmd_adm_errmsg(g_adm));
73 }
74 
75 /*PRINTFLIKE1*/
76 void
77 warn(const char *format, ...)
78 {
79 	va_list ap;
80 
81 	va_start(ap, format);
82 	vwarn(format, ap);
83 	va_end(ap);
84 }
85 
86 /*PRINTFLIKE1*/
87 void
88 die(const char *format, ...)
89 {
90 	va_list ap;
91 
92 	va_start(ap, format);
93 	vwarn(format, ap);
94 	va_end(ap);
95 
96 	fmd_adm_close(g_adm);
97 	exit(FMADM_EXIT_ERROR);
98 }
99 
100 static const struct cmd {
101 	int (*cmd_func)(fmd_adm_t *, int, char *[]);
102 	const char *cmd_name;
103 	const char *cmd_usage;
104 	const char *cmd_desc;
105 } cmds[] = {
106 { cmd_config, "config", NULL, "display fault manager configuration" },
107 { cmd_faulty, "faulty", "[-ai]", "display list of faulty resources" },
108 { cmd_flush, "flush", "<fmri> ...", "flush cached state for resource" },
109 { cmd_gc, "gc", "<module>", NULL },
110 { cmd_load, "load", "<path>", "load specified fault manager module" },
111 { cmd_repair, "repair", "<fmri>|<uuid>", "record repair to resource(s)" },
112 { cmd_reset, "reset", "[-s serd] <module>", "reset module or sub-component" },
113 { cmd_rotate, "rotate", "<logname>", "rotate log file" },
114 { cmd_unload, "unload", "<module>", "unload specified fault manager module" },
115 { NULL, NULL, NULL }
116 };
117 
118 static int
119 usage(FILE *fp)
120 {
121 	const struct cmd *cp;
122 	char buf[256];
123 
124 	(void) fprintf(fp,
125 	    "Usage: %s [-P prog] [-q] [cmd [args ... ]]\n\n", g_pname);
126 
127 	for (cp = cmds; cp->cmd_name != NULL; cp++) {
128 		if (cp->cmd_desc == NULL)
129 			continue;
130 
131 		if (cp->cmd_usage != NULL) {
132 			(void) snprintf(buf, sizeof (buf), "%s %s %s",
133 			    g_pname, cp->cmd_name, cp->cmd_usage);
134 		} else {
135 			(void) snprintf(buf, sizeof (buf), "%s %s",
136 			    g_pname, cp->cmd_name);
137 		}
138 		(void) fprintf(fp, "\t%-30s - %s\n", buf, cp->cmd_desc);
139 	}
140 
141 	return (FMADM_EXIT_USAGE);
142 }
143 
144 static uint32_t
145 getu32(const char *name, const char *s)
146 {
147 	u_longlong_t val;
148 	char *p;
149 
150 	errno = 0;
151 	val = strtoull(s, &p, 0);
152 
153 	if (errno != 0 || p == s || *p != '\0' || val > UINT32_MAX) {
154 		(void) fprintf(stderr, "%s: invalid %s argument -- %s\n",
155 		    g_pname, name, s);
156 		exit(FMADM_EXIT_USAGE);
157 	}
158 
159 	return ((uint32_t)val);
160 }
161 
162 int
163 main(int argc, char *argv[])
164 {
165 	const struct cmd *cp;
166 	uint32_t program;
167 	const char *p;
168 	int c, err;
169 
170 	if ((p = strrchr(argv[0], '/')) == NULL)
171 		g_pname = argv[0];
172 	else
173 		g_pname = p + 1;
174 
175 	if ((p = getenv("FMD_PROGRAM")) != NULL)
176 		program = getu32("$FMD_PROGRAM", p);
177 	else
178 		program = FMD_ADM_PROGRAM;
179 
180 	while ((c = getopt(argc, argv, "P:q")) != EOF) {
181 		switch (c) {
182 		case 'P':
183 			program = getu32("program", optarg);
184 			break;
185 		case 'q':
186 			g_quiet++;
187 			break;
188 		default:
189 			return (usage(stderr));
190 		}
191 	}
192 
193 	if (optind >= argc)
194 		return (usage(stdout));
195 
196 	for (cp = cmds; cp->cmd_name != NULL; cp++) {
197 		if (strcmp(cp->cmd_name, argv[optind]) == 0)
198 			break;
199 	}
200 
201 	if (cp->cmd_name == NULL) {
202 		(void) fprintf(stderr, "%s: illegal subcommand -- %s\n",
203 		    g_pname, argv[optind]);
204 		return (usage(stderr));
205 	}
206 
207 	if ((g_adm = fmd_adm_open(NULL, program, FMD_ADM_VERSION)) == NULL)
208 		die(NULL); /* fmd_adm_errmsg() has enough info */
209 
210 	argc -= optind;
211 	argv += optind;
212 
213 	optind = 1; /* reset optind so subcommands can getopt() */
214 
215 	err = cp->cmd_func(g_adm, argc, argv);
216 	fmd_adm_close(g_adm);
217 	return (err == FMADM_EXIT_USAGE ? usage(stderr) : err);
218 }
219