xref: /titanic_41/usr/src/cmd/svc/svccfg/svccfg_main.c (revision 0bb073995ac5a95bd35f2dd790df1ea3d8c2d507)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * svccfg - modify service configuration repository
30  */
31 
32 #include <sys/stat.h>
33 #include <sys/types.h>
34 #include <sys/wait.h>
35 
36 #include <errno.h>
37 #include <libintl.h>
38 #include <libscf.h>
39 #include <libscf_priv.h>
40 #include <libuutil.h>
41 #include <locale.h>
42 #include <signal.h>
43 #include <stdarg.h>
44 #include <stddef.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <unistd.h>
49 
50 #include "svccfg.h"
51 
52 #ifndef TEXT_DOMAIN
53 #define	TEXT_DOMAIN	"SUNW_OST_OSCMD"
54 #endif /* TEXT_DOMAIN */
55 
56 #define	MAX_CMD_LINE_SZ	2048
57 
58 static const char *myname;
59 int g_verbose = 0;
60 const char *fmri;
61 
62 static void
63 usage()
64 {
65 	(void) fprintf(stderr, gettext(
66 	    "Usage:\tsvccfg [-v] [-s FMRI] [-f file]\n"
67 	    "\tsvccfg [-v] [-s FMRI] <command> [args]\n"));
68 	exit(UU_EXIT_USAGE);
69 }
70 
71 void *
72 safe_malloc(size_t sz)
73 {
74 	void *p;
75 
76 	if ((p = calloc(1, sz)) == NULL)
77 		uu_die(gettext("Out of memory.\n"));
78 
79 	return (p);
80 }
81 
82 char *
83 safe_strdup(const char *cp)
84 {
85 	char *result;
86 
87 	result = strdup(cp);
88 	if (result == NULL)
89 		uu_die(gettext("Out of memory.\n"));
90 
91 	return (result);
92 }
93 
94 /*
95  * Send a message to the user.  If we're interactive, send it to stdout.
96  * Otherwise send it to stderr.
97  */
98 static void
99 vmessage(const char *fmt, va_list va)
100 {
101 	int interactive = est->sc_cmd_flags & SC_CMD_IACTIVE;
102 	FILE *strm = interactive ? stdout : stderr;
103 	const char *ptr;
104 
105 	if (!interactive) {
106 		if (est->sc_cmd_file == NULL)
107 			(void) fprintf(stderr, "%s: ", myname);
108 		else
109 			(void) fprintf(stderr, "%s (%s, line %d): ", myname,
110 			    est->sc_cmd_filename, est->sc_cmd_lineno - 1);
111 	}
112 
113 	if (vfprintf(strm, fmt, va) < 0 && interactive)
114 		uu_die(gettext("printf() error"));
115 
116 	ptr = strchr(fmt, '\0');
117 	if (*(ptr - 1) != '\n')
118 		(void) fprintf(strm, ": %s.\n", strerror(errno));
119 }
120 
121 /*
122  * Display a warning.  Should usually be predicated by g_verbose.
123  */
124 /* PRINTFLIKE1 */
125 void
126 warn(const char *fmt, ...)
127 {
128 	va_list va;
129 
130 	va_start(va, fmt);
131 	vmessage(fmt, va);
132 	va_end(va);
133 }
134 
135 /*
136  * Syntax error.
137  */
138 void
139 synerr(int com)
140 {
141 	if (est->sc_cmd_flags & SC_CMD_IACTIVE) {
142 		help(com);
143 		return;
144 	}
145 
146 	warn(gettext("Syntax error.\n"));
147 
148 	if ((est->sc_cmd_flags & SC_CMD_DONT_EXIT) == 0)
149 		exit(1);
150 }
151 
152 /*
153  * Semantic error.  Display the warning and exit if we're not interactive.
154  */
155 /* PRINTFLIKE1 */
156 void
157 semerr(const char *fmt, ...)
158 {
159 	va_list va;
160 
161 	va_start(va, fmt);
162 	vmessage(fmt, va);
163 	va_end(va);
164 
165 	if ((est->sc_cmd_flags & (SC_CMD_IACTIVE | SC_CMD_DONT_EXIT)) == 0)
166 		exit(1);
167 }
168 
169 /*ARGSUSED*/
170 static void
171 initialize(int argc, char *argv[])
172 {
173 	myname = uu_setpname(argv[0]);
174 	(void) atexit(lscf_cleanup);
175 
176 	(void) setlocale(LC_ALL, "");
177 	(void) textdomain(TEXT_DOMAIN);
178 
179 	(void) lxml_init();
180 	internal_init();
181 	engine_init();
182 	lscf_init();			/* must follow engine_init() */
183 }
184 
185 int
186 main(int argc, char *argv[])
187 {
188 	char *cmd, *command_file = NULL;
189 	char *fmri = NULL;
190 	int c;
191 
192 	while ((c = getopt(argc, argv, "vf:s:")) != EOF)
193 		switch (c) {
194 		case 'v':
195 			g_verbose = 1;
196 			break;
197 
198 		case 's':
199 			fmri = optarg;
200 			break;
201 
202 		case 'f':
203 			command_file = optarg;
204 			break;
205 
206 		default:
207 			usage();
208 			break;
209 		}
210 
211 	initialize(argc, argv);
212 
213 	if (fmri != NULL)
214 		lscf_select(fmri);
215 
216 	if (command_file != NULL)
217 		return (engine_source(command_file, 0));
218 
219 	if (optind == argc) {
220 		if (isatty(fileno(stdin)))
221 			return (engine_interp());
222 		else
223 			return (engine_source("-", 0));
224 	}
225 
226 	/*
227 	 * Knit together remaining arguments into a single statement.
228 	 */
229 	cmd = safe_malloc(MAX_CMD_LINE_SZ);
230 	for (c = optind; c < argc; c++) {
231 		(void) strlcat(cmd, argv[c], MAX_CMD_LINE_SZ);
232 		(void) strlcat(cmd, " ", MAX_CMD_LINE_SZ);
233 	}
234 
235 	return (engine_exec(cmd));
236 }
237