xref: /titanic_41/usr/src/cmd/svr4pkg/pkgtrans/main.c (revision ea394cb00fd96864e34d2841b4a22357b621c78f)
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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29 
30 
31 #include <locale.h>
32 #include <libintl.h>
33 #include <stdio.h>
34 #include <signal.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 #include <string.h>
38 #include <pkgtrans.h>
39 #include <pkglib.h>
40 #include <pkglocs.h>
41 #include <libadm.h>
42 #include <libinst.h>
43 
44 static int	options;
45 static keystore_handle_t	keystore = NULL;
46 
47 static void	usage(void);
48 static void	trap(int signo);
49 
50 #define	PASSWD_CMDLINE \
51 		"## WARNING: USING <%s> MAKES PASSWORD " \
52 		"VISIBLE TO ALL USERS."
53 
54 #define	PASSPHRASE_PROMPT	"Enter keystore password:"
55 #define	KEYSTORE_OPEN	"Retrieving signing certificates from keystore <%s>"
56 #define	PARAM_LEN		"Parameter <%s> too long"
57 
58 int
59 main(int argc, char *argv[])
60 {
61 	int	c;
62 	void	(*func)();
63 	extern char	*optarg;
64 	extern int	optind;
65 	char		*keystore_alias = NULL;
66 	char		*keystore_file = NULL;
67 	boolean_t	create_sig = B_FALSE;
68 	char		*homedir = NULL;
69 	PKG_ERR		*err;
70 	int		ret, len, homelen;
71 
72 	(void) setlocale(LC_ALL, "");
73 
74 #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
75 #define	TEXT_DOMAIN "SYS_TEST"
76 #endif
77 	(void) textdomain(TEXT_DOMAIN);
78 
79 	(void) set_prog_name(argv[0]);
80 
81 	while ((c = getopt(argc, argv, "ga:P:k:snio?")) != EOF) {
82 		switch (c) {
83 		case 'n':
84 			options |= PT_RENAME;
85 			break;
86 
87 		case 'i':
88 			options |= PT_INFO_ONLY;
89 			break;
90 
91 		case 'o':
92 			options |= PT_OVERWRITE;
93 			break;
94 
95 		case 's':
96 			options |= PT_ODTSTREAM;
97 			break;
98 
99 		case 'g':
100 			/* this should eventually be a PT_ option */
101 			create_sig = B_TRUE;
102 			break;
103 
104 		case 'k':
105 			keystore_file = optarg;
106 			break;
107 
108 		case 'a':
109 			keystore_alias = optarg;
110 			break;
111 
112 		case 'P':
113 			set_passphrase_passarg(optarg);
114 			if (ci_strneq(optarg, "pass:", 5)) {
115 				/*
116 				 * passwords on the command line are highly
117 				 * insecure.  complain.
118 				 */
119 				logerr(gettext(PASSWD_CMDLINE), "pass:<pass>");
120 			}
121 			break;
122 
123 		default:
124 			usage();
125 			return (1);
126 		}
127 	}
128 	func = signal(SIGINT, trap);
129 	if (func != SIG_DFL)
130 		(void) signal(SIGINT, func);
131 	(void) signal(SIGHUP, trap);
132 	(void) signal(SIGQUIT, trap);
133 	(void) signal(SIGTERM, trap);
134 	(void) signal(SIGPIPE, trap);
135 #ifndef SUNOS41
136 	(void) signal(SIGPWR, trap);
137 #endif
138 
139 	if ((argc-optind) < 2) {
140 		usage();
141 		return (1);
142 	}
143 
144 	if (create_sig) {
145 		sec_init();
146 		err = pkgerr_new();
147 
148 		/* figure out which keystore to use */
149 		if (keystore_file == NULL) {
150 			if (geteuid() == 0) {
151 				/* we are superuser, so use their keystore */
152 				keystore_file = PKGSEC;
153 			} else {
154 				if ((homedir = getenv("HOME")) == NULL) {
155 				/*
156 				 * not superuser, but no home dir, so
157 				 * use superuser's keystore
158 				 */
159 					keystore_file = PKGSEC;
160 				} else {
161 				/* $HOME/.pkg/security\0 */
162 					homelen = strlen(homedir) + 15;
163 					keystore_file =
164 					    malloc(strlen(homedir) + 15);
165 					if (((len = snprintf(keystore_file,
166 					    homelen, "%s/%s", homedir,
167 					    ".pkg/security")) < 0) ||
168 					    (len >= homelen)) {
169 						logerr(gettext(PARAM_LEN),
170 						    "$HOME");
171 						quit(1);
172 					}
173 				}
174 			}
175 		}
176 
177 		logerr(gettext(KEYSTORE_OPEN), keystore_file);
178 
179 		set_passphrase_prompt(gettext(PASSPHRASE_PROMPT));
180 
181 		/* open keystore for reading */
182 		if (open_keystore(err, keystore_file, get_prog_name(),
183 		    pkg_passphrase_cb, KEYSTORE_DFLT_FLAGS, &keystore) != 0) {
184 			pkgerr(err);
185 			pkgerr_free(err);
186 			quit(1);
187 		}
188 
189 	} else {
190 		/* no signature, so don't use a keystore */
191 		keystore = NULL;
192 	}
193 
194 	ret = pkgtrans(flex_device(argv[optind], 1),
195 	    flex_device(argv[optind+1], 1), &argv[optind+2], options,
196 	    keystore, keystore_alias);
197 
198 	if (create_sig) {
199 		/* close keystore */
200 		if (close_keystore(err, keystore, NULL) != 0) {
201 			pkgerr(err);
202 			pkgerr_free(err);
203 			quit(1);
204 		}
205 		keystore = NULL;
206 	}
207 
208 	quit(ret);
209 	/*NOTREACHED*/
210 }
211 
212 void
213 quit(int retcode)
214 {
215 	PKG_ERR	*err;
216 
217 	err = pkgerr_new();
218 	(void) signal(SIGINT, SIG_IGN);
219 	(void) signal(SIGHUP, SIG_IGN);
220 	(void) ds_close(1);
221 	(void) pkghead(NULL);
222 	if (keystore != NULL) {
223 		(void) close_keystore(err, keystore, NULL);
224 		pkgerr_free(err);
225 	}
226 	exit(retcode);
227 }
228 
229 static void
230 trap(int signo)
231 {
232 	(void) signal(SIGINT, SIG_IGN);
233 	(void) signal(SIGHUP, SIG_IGN);
234 
235 	if (signo == SIGINT) {
236 		progerr(gettext("aborted at user request.\n"));
237 		quit(3);
238 	}
239 	progerr(gettext("aborted by signal %d\n"), signo);
240 	quit(1);
241 }
242 
243 static void
244 usage(void)
245 {
246 	(void) fprintf(stderr,
247 	    gettext("usage: %s [-ionsg] [-k keystore] " \
248 	    "[-a alias] [-P password] srcdev dstdev [pkg [pkg...]]\n"),
249 	    get_prog_name());
250 }
251