xref: /titanic_41/usr/src/cmd/svc/svccfg/svccfg_main.c (revision 749f21d359d8fbd020c974a1a5227316221bfc9c)
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 /*
30  * svccfg - modify service configuration repository
31  */
32 
33 #include <sys/stat.h>
34 #include <sys/types.h>
35 #include <sys/wait.h>
36 
37 #include <errno.h>
38 #include <libintl.h>
39 #include <libscf.h>
40 #include <libscf_priv.h>
41 #include <libuutil.h>
42 #include <locale.h>
43 #include <signal.h>
44 #include <stdarg.h>
45 #include <stddef.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <unistd.h>
50 
51 #include "svccfg.h"
52 
53 #ifndef TEXT_DOMAIN
54 #define	TEXT_DOMAIN	"SUNW_OST_OSCMD"
55 #endif /* TEXT_DOMAIN */
56 
57 #define	MAX_CMD_LINE_SZ	2048
58 
59 static const char *myname;
60 int g_verbose = 0;
61 const char *fmri;
62 
63 static void
64 usage()
65 {
66 	(void) fprintf(stderr, gettext(
67 	    "Usage:\tsvccfg [-v] [-s FMRI] [-f file]\n"
68 	    "\tsvccfg [-v] [-s FMRI] <command> [args]\n"));
69 	exit(UU_EXIT_USAGE);
70 }
71 
72 void *
73 safe_malloc(size_t sz)
74 {
75 	void *p;
76 
77 	if ((p = calloc(1, sz)) == NULL)
78 		uu_die(gettext("Out of memory.\n"));
79 
80 	return (p);
81 }
82 
83 char *
84 safe_strdup(const char *cp)
85 {
86 	char *result;
87 
88 	result = strdup(cp);
89 	if (result == NULL)
90 		uu_die(gettext("Out of memory.\n"));
91 
92 	return (result);
93 }
94 
95 /*
96  * Send a message to the user.  If we're interactive, send it to stdout.
97  * Otherwise send it to stderr.
98  */
99 static void
100 vmessage(const char *fmt, va_list va)
101 {
102 	int interactive = est->sc_cmd_flags & SC_CMD_IACTIVE;
103 	FILE *strm = interactive ? stdout : stderr;
104 	const char *ptr;
105 
106 	if (!interactive) {
107 		if (est->sc_cmd_file == NULL)
108 			(void) fprintf(stderr, "%s: ", myname);
109 		else
110 			(void) fprintf(stderr, "%s (%s, line %d): ", myname,
111 			    est->sc_cmd_filename, est->sc_cmd_lineno - 1);
112 	}
113 
114 	if (vfprintf(strm, fmt, va) < 0 && interactive)
115 		uu_die(gettext("printf() error"));
116 
117 	ptr = strchr(fmt, '\0');
118 	if (*(ptr - 1) != '\n')
119 		(void) fprintf(strm, ": %s.\n", strerror(errno));
120 }
121 
122 /*
123  * Display a warning.  Should usually be predicated by g_verbose.
124  */
125 /* PRINTFLIKE1 */
126 void
127 warn(const char *fmt, ...)
128 {
129 	va_list va;
130 
131 	va_start(va, fmt);
132 	vmessage(fmt, va);
133 	va_end(va);
134 }
135 
136 /*
137  * Syntax error.
138  */
139 void
140 synerr(int com)
141 {
142 	if (est->sc_cmd_flags & SC_CMD_IACTIVE) {
143 		help(com);
144 		return;
145 	}
146 
147 	warn(gettext("Syntax error.\n"));
148 	exit(1);
149 }
150 
151 /*
152  * Semantic error.  Display the warning and exit if we're not interactive.
153  */
154 /* PRINTFLIKE1 */
155 void
156 semerr(const char *fmt, ...)
157 {
158 	va_list va;
159 
160 	va_start(va, fmt);
161 	vmessage(fmt, va);
162 	va_end(va);
163 
164 	if ((est->sc_cmd_flags & (SC_CMD_IACTIVE | SC_CMD_DONT_EXIT)) == 0)
165 		exit(1);
166 }
167 
168 /*ARGSUSED*/
169 static void
170 initialize(int argc, char *argv[])
171 {
172 	myname = uu_setpname(argv[0]);
173 	(void) atexit(lscf_cleanup);
174 
175 	(void) setlocale(LC_ALL, "");
176 	(void) textdomain(TEXT_DOMAIN);
177 
178 	(void) lxml_init();
179 	internal_init();
180 	engine_init();
181 	lscf_init();			/* must follow engine_init() */
182 }
183 
184 int
185 main(int argc, char *argv[])
186 {
187 	char *cmd, *command_file = NULL;
188 	char *fmri = NULL;
189 	int c;
190 
191 	while ((c = getopt(argc, argv, "vf:s:")) != EOF)
192 		switch (c) {
193 		case 'v':
194 			g_verbose = 1;
195 			break;
196 
197 		case 's':
198 			fmri = optarg;
199 			break;
200 
201 		case 'f':
202 			command_file = optarg;
203 			break;
204 
205 		default:
206 			usage();
207 			break;
208 		}
209 
210 	initialize(argc, argv);
211 
212 	if (fmri != NULL)
213 		lscf_select(fmri);
214 
215 	if (command_file != NULL)
216 		return (engine_source(command_file, 0));
217 
218 	if (optind == argc) {
219 		if (isatty(fileno(stdin)))
220 			return (engine_interp());
221 		else
222 			return (engine_source("-", 0));
223 	}
224 
225 	/*
226 	 * Knit together remaining arguments into a single statement.
227 	 */
228 	cmd = safe_malloc(MAX_CMD_LINE_SZ);
229 	for (c = optind; c < argc; c++) {
230 		(void) strlcat(cmd, argv[c], MAX_CMD_LINE_SZ);
231 		(void) strlcat(cmd, " ", MAX_CMD_LINE_SZ);
232 	}
233 
234 	return (engine_exec(cmd));
235 }
236