xref: /illumos-gate/usr/src/cmd/fm/fmadm/common/fmadm.c (revision 12fb9219923f41528f673d4f31667db2c3f103ff)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <strings.h>
27 #include <limits.h>
28 #include <stdlib.h>
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <errno.h>
32 
33 #include <fmadm.h>
34 
35 static const char *g_pname;
36 static fmd_adm_t *g_adm;
37 static int g_quiet;
38 
39 /*PRINTFLIKE1*/
40 void
41 note(const char *format, ...)
42 {
43 	va_list ap;
44 
45 	if (g_quiet)
46 		return; /* suppress notices if -q specified */
47 
48 	(void) fprintf(stdout, "%s: ", g_pname);
49 	va_start(ap, format);
50 	(void) vfprintf(stdout, format, ap);
51 	va_end(ap);
52 }
53 
54 static void
55 vwarn(const char *format, va_list ap)
56 {
57 	int err = errno;
58 
59 	(void) fprintf(stderr, "%s: ", g_pname);
60 
61 	if (format != NULL)
62 		(void) vfprintf(stderr, format, ap);
63 
64 	errno = err; /* restore errno for fmd_adm_errmsg() */
65 
66 	if (format == NULL)
67 		(void) fprintf(stderr, "%s\n", fmd_adm_errmsg(g_adm));
68 	else if (strchr(format, '\n') == NULL)
69 		(void) fprintf(stderr, ": %s\n", fmd_adm_errmsg(g_adm));
70 }
71 
72 /*PRINTFLIKE1*/
73 void
74 warn(const char *format, ...)
75 {
76 	va_list ap;
77 
78 	va_start(ap, format);
79 	vwarn(format, ap);
80 	va_end(ap);
81 }
82 
83 /*PRINTFLIKE1*/
84 void
85 die(const char *format, ...)
86 {
87 	va_list ap;
88 
89 	va_start(ap, format);
90 	vwarn(format, ap);
91 	va_end(ap);
92 
93 	fmd_adm_close(g_adm);
94 	exit(FMADM_EXIT_ERROR);
95 }
96 
97 static const struct cmd {
98 	int (*cmd_func)(fmd_adm_t *, int, char *[]);
99 	const char *cmd_name;
100 	const char *cmd_usage;
101 	const char *cmd_desc;
102 } cmds[] = {
103 { cmd_config, "config", NULL, "display fault manager configuration" },
104 { cmd_faulty, "faulty", "[-afgiprsv] [-u <uuid>] [-n <max_fault>]",
105 	"display list of faulty resources" },
106 { cmd_flush, "flush", "<fmri> ...", "flush cached state for resource" },
107 { cmd_gc, "gc", "<module>", NULL },
108 { cmd_load, "load", "<path>", "load specified fault manager module" },
109 { cmd_repair, "repair", "<fmri>|label|<uuid>", NULL },
110 { cmd_repaired, "repaired", "<fmri>|label>",
111 	"notify fault manager that resource has been repaired" },
112 { cmd_acquit, "acquit", "<fmri> [<uuid>] | label [<uuid>] | <uuid>",
113 	"acquit resource or acquit case" },
114 { cmd_replaced, "replaced", "<fmri>|label",
115 	"notify fault manager that resource has been replaced" },
116 { cmd_reset, "reset", "[-s serd] <module>", "reset module or sub-component" },
117 { cmd_rotate, "rotate", "<logname>", "rotate log file" },
118 { cmd_unload, "unload", "<module>", "unload specified fault manager module" },
119 { NULL, NULL, NULL }
120 };
121 
122 static int
123 usage(FILE *fp)
124 {
125 	const struct cmd *cp;
126 	char buf[256];
127 
128 	(void) fprintf(fp,
129 	    "Usage: %s [-P prog] [-q] [cmd [args ... ]]\n\n", g_pname);
130 
131 	for (cp = cmds; cp->cmd_name != NULL; cp++) {
132 		if (cp->cmd_desc == NULL)
133 			continue;
134 
135 		if (cp->cmd_usage != NULL) {
136 			(void) snprintf(buf, sizeof (buf), "%s %s %s",
137 			    g_pname, cp->cmd_name, cp->cmd_usage);
138 		} else {
139 			(void) snprintf(buf, sizeof (buf), "%s %s",
140 			    g_pname, cp->cmd_name);
141 		}
142 		(void) fprintf(fp, "\t%-30s - %s\n", buf, cp->cmd_desc);
143 	}
144 
145 	return (FMADM_EXIT_USAGE);
146 }
147 
148 static uint32_t
149 getu32(const char *name, const char *s)
150 {
151 	u_longlong_t val;
152 	char *p;
153 
154 	errno = 0;
155 	val = strtoull(s, &p, 0);
156 
157 	if (errno != 0 || p == s || *p != '\0' || val > UINT32_MAX) {
158 		(void) fprintf(stderr, "%s: invalid %s argument -- %s\n",
159 		    g_pname, name, s);
160 		exit(FMADM_EXIT_USAGE);
161 	}
162 
163 	return ((uint32_t)val);
164 }
165 
166 int
167 main(int argc, char *argv[])
168 {
169 	const struct cmd *cp;
170 	uint32_t program;
171 	const char *p;
172 	int c, err;
173 
174 	if ((p = strrchr(argv[0], '/')) == NULL)
175 		g_pname = argv[0];
176 	else
177 		g_pname = p + 1;
178 
179 	if ((p = getenv("FMD_PROGRAM")) != NULL)
180 		program = getu32("$FMD_PROGRAM", p);
181 	else
182 		program = FMD_ADM_PROGRAM;
183 
184 	while ((c = getopt(argc, argv, "P:q")) != EOF) {
185 		switch (c) {
186 		case 'P':
187 			program = getu32("program", optarg);
188 			break;
189 		case 'q':
190 			g_quiet++;
191 			break;
192 		default:
193 			return (usage(stderr));
194 		}
195 	}
196 
197 	if (optind >= argc)
198 		return (usage(stdout));
199 
200 	for (cp = cmds; cp->cmd_name != NULL; cp++) {
201 		if (strcmp(cp->cmd_name, argv[optind]) == 0)
202 			break;
203 	}
204 
205 	if (cp->cmd_name == NULL) {
206 		(void) fprintf(stderr, "%s: illegal subcommand -- %s\n",
207 		    g_pname, argv[optind]);
208 		return (usage(stderr));
209 	}
210 
211 	if ((g_adm = fmd_adm_open(NULL, program, FMD_ADM_VERSION)) == NULL)
212 		die(NULL); /* fmd_adm_errmsg() has enough info */
213 
214 	argc -= optind;
215 	argv += optind;
216 
217 	optind = 1; /* reset optind so subcommands can getopt() */
218 
219 	err = cp->cmd_func(g_adm, argc, argv);
220 	fmd_adm_close(g_adm);
221 	return (err == FMADM_EXIT_USAGE ? usage(stderr) : err);
222 }
223