xref: /titanic_41/usr/src/cmd/rmformat/rmf_main.c (revision bb25c06cca41ca78e5fb87fbb8e81d55beb18c95)
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  * rmf_main.c :
30  *	The file containing main() for rmformat. The command line
31  *	options are parsed in this file.
32  */
33 
34 
35 #include <priv_utils.h>
36 #include "rmformat.h"
37 
38 int32_t b_flag = 0;
39 int32_t c_flag = 0;
40 int32_t D_flag = 0;
41 int32_t e_flag = 0;
42 int32_t F_flag = 0;
43 int32_t H_flag = 0;
44 int32_t l_flag = 0;
45 int32_t p_flag = 0;
46 int32_t R_flag = 0;
47 int32_t s_flag = 0;
48 int32_t U_flag = 0;
49 int32_t V_flag = 0;
50 int32_t W_flag = 0;
51 int32_t w_flag = 0;
52 
53 static char *myname;
54 char *slice_file = NULL;
55 char *label;
56 uint32_t repair_blk_no;
57 int32_t quick_format = 0;
58 int32_t long_format = 0;
59 int32_t force_format = 0;
60 int32_t rw_protect_enable = 0;
61 int32_t rw_protect_disable = 0;
62 int32_t wp_enable_passwd = 0;
63 int32_t wp_disable_passwd = 0;
64 int32_t wp_enable = 0;
65 int32_t wp_disable = 0;
66 int32_t verify_write = 0;
67 char *dev_name = NULL;
68 
69 static void usage(char *);
70 void check_invalid_combinations();
71 void check_invalid_combinations_again(int32_t);
72 extern int64_t my_atoll(char *ptr);
73 extern void my_perror(char *err_string);
74 void process_options();
75 
76 int
77 main(int32_t argc, char **argv)
78 {
79 	char i;
80 	char *tmp_ptr;
81 
82 	/*
83 	 * This program requires file_dac_read, file_dac_write,
84 	 * proc_fork, proc_exec, and sys_devices privileges.
85 	 *
86 	 * child processes require the sys_mount privilege
87 	 */
88 	(void) __init_suid_priv(PU_INHERITPRIVS,
89 	    PRIV_FILE_DAC_READ, PRIV_FILE_DAC_WRITE, PRIV_PROC_FORK,
90 	    PRIV_PROC_EXEC, PRIV_SYS_MOUNT, PRIV_SYS_DEVICES, NULL);
91 
92 	(void) setlocale(LC_ALL, "");
93 
94 #if !defined(TEXT_DOMAIN)
95 #define	TEXT_DOMAIN	"SYS_TEST"
96 #endif
97 
98 	(void) textdomain(TEXT_DOMAIN);
99 
100 	myname = argv[0];
101 	DPRINTF1("myname %s\n", myname);
102 
103 	while ((i = getopt(argc, argv, "b:c:DeF:HlpR:s:tUV:W:w:"))
104 							!= -1) {
105 		DPRINTF1("arg %c\n", i);
106 		switch (i) {
107 		case 'b' :
108 			b_flag++;
109 			label = strdup(optarg);
110 			if (strlen(label) > 8) {
111 				(void) fprintf(stderr, gettext("Label is \
112 restricted to 8 characters.\n"));
113 				__priv_relinquish();
114 				exit(1);
115 			}
116 
117 			break;
118 
119 		case 'c' :
120 			c_flag++;
121 			tmp_ptr = strdup(optarg);
122 			errno = 0;
123 			repair_blk_no = (uint32_t)my_atoll(tmp_ptr);
124 			if (repair_blk_no == (uint32_t)(-1)) {
125 				free(tmp_ptr);
126 				usage("invalid block number");
127 			}
128 
129 			DPRINTF1(" block no. %x\n", repair_blk_no);
130 			free(tmp_ptr);
131 			break;
132 
133 		case 'D' :
134 			D_flag++;
135 			break;
136 
137 		case 'e' :
138 			e_flag++;
139 			break;
140 
141 		case 'F' :
142 			F_flag++;
143 			tmp_ptr = strdup(optarg);
144 			if (strcmp(tmp_ptr, "quick") == 0) {
145 				DPRINTF("q");
146 				quick_format = 1;
147 			} else if (strcmp(tmp_ptr, "long") == 0) {
148 				DPRINTF("l");
149 				long_format = 1;
150 			} else if (strcmp(tmp_ptr, "force") == 0) {
151 				DPRINTF("f");
152 				force_format = 1;
153 			} else {
154 				free(tmp_ptr);
155 				usage("invalid argument for option -F");
156 			}
157 			free(tmp_ptr);
158 			break;
159 
160 		case 'H' :
161 			H_flag++;
162 			break;
163 
164 		case 'l' :
165 			l_flag++;
166 			break;
167 
168 		case 'p' :
169 			p_flag++;
170 			break;
171 
172 		case 'R' :
173 			R_flag++;
174 			tmp_ptr = strdup(optarg);
175 			if (strcmp(tmp_ptr, "enable") == 0) {
176 				rw_protect_enable++;
177 			} else if (strcmp(tmp_ptr, "disable") == 0) {
178 				rw_protect_disable++;
179 			} else {
180 				usage("Invalid argument for -R option");
181 			}
182 			free(tmp_ptr);
183 			break;
184 
185 		case 's' :
186 			s_flag++;
187 
188 			slice_file = strdup(optarg);
189 			break;
190 
191 		case 'U' :
192 			U_flag++;
193 			break;
194 
195 		case 'V' :
196 			V_flag++;
197 			tmp_ptr = strdup(optarg);
198 			if (strcmp(tmp_ptr, "read") == 0) {
199 				verify_write = 0;
200 			} else if (strcmp(tmp_ptr, "write") == 0) {
201 				verify_write = 1;
202 			} else {
203 				usage("Invalid argument for -V option");
204 			}
205 			free(tmp_ptr);
206 			break;
207 
208 		case 'W' :
209 			W_flag++;
210 			tmp_ptr = strdup(optarg);
211 			if (strcmp(tmp_ptr, "enable") == 0) {
212 				wp_enable_passwd++;
213 			} else if (strcmp(tmp_ptr, "disable") == 0) {
214 				wp_disable_passwd++;
215 			} else {
216 				usage("Invalid argument for -W option");
217 			}
218 			free(tmp_ptr);
219 			break;
220 
221 		case 'w' :
222 			w_flag++;
223 			tmp_ptr = strdup(optarg);
224 			if (strcmp(tmp_ptr, "enable") == 0) {
225 				wp_enable++;
226 			} else if (strcmp(tmp_ptr, "disable") == 0) {
227 				wp_disable++;
228 			} else {
229 				usage("Invalid arguments for -w option");
230 			}
231 			free(tmp_ptr);
232 			break;
233 
234 		default:
235 			usage("");
236 			break;
237 		}
238 	}
239 	if (optind < argc -1) {
240 		usage("more than one device name argument");
241 		/* NOTREACHED */
242 	}
243 
244 	if (optind == argc -1) {
245 		dev_name = argv[optind];
246 	} else if (optind == 1) {
247 		/* list devices by default */
248 		l_flag++;
249 	} else if ((optind == argc) && !l_flag) {
250 		(void) fprintf(stderr,
251 		    gettext("No device specified.\n"));
252 		__priv_relinquish();
253 		exit(1);
254 #if 0
255 		(void) printf("Using floppy device\n");
256 		dev_name = "/dev/rdiskette";
257 #endif /* 0 */
258 	}
259 
260 	process_options();
261 
262 	/* Remove the privileges we gave. */
263 	__priv_relinquish();
264 	return (0);
265 }
266 
267 static void
268 usage(char *str)
269 {
270 
271 	if (strlen(str)) {
272 		(void) fprintf(stderr, "%s : ", myname);
273 		(void) fprintf(stderr, gettext(str));
274 		(void) fprintf(stderr, "\n");
275 	}
276 
277 	(void) fprintf(stderr, "Usage:\n");
278 	(void) fprintf(stderr, gettext("\t%s \
279 [ -DeHpU ] [ -b label ] [ -c blockno ] [ -F quick|long|force ] \
280 [ -R enable|disable ] [ -s filename ] [ -V read|write ] \
281 [ -w enable|disable ] [ -W enable|disable ] devname \n"), myname);
282 	(void) fprintf(stderr, gettext("\t%s -l [ devname ]\n"),
283 	    myname);
284 	__priv_relinquish();
285 	exit(1);
286 }
287 
288 void
289 check_invalid_combinations()
290 {
291 
292 	/* Inherited from FLOPPY */
293 
294 	if (D_flag && H_flag) {
295 		usage("Options -D and -H incompatible");
296 	}
297 
298 	if (D_flag && F_flag) {
299 		usage("Options -D and -F incompatible");
300 	}
301 
302 	if (H_flag && F_flag) {
303 		usage("Options -H and -F incompatible");
304 	}
305 
306 	/* rmformat additions */
307 
308 	if ((w_flag && W_flag) || (w_flag && R_flag) || (W_flag && R_flag)) {
309 		usage("Options -w, -W and -R incompatible");
310 	}
311 
312 	if (c_flag && F_flag) {
313 		usage("Options -c, -F incompatible");
314 	}
315 
316 	/* l_flag is mutually exclusive of these flags */
317 	if (l_flag && (D_flag + e_flag + H_flag + p_flag + U_flag +
318 	    b_flag + c_flag + F_flag + R_flag + s_flag + V_flag +
319 	    w_flag + W_flag)) {
320 		usage("Options incompatible");
321 	}
322 }
323 
324 
325 void
326 check_invalid_combinations_again(int32_t medium_type)
327 {
328 	if ((medium_type != SM_FLOPPY) &&
329 			(medium_type != SM_PCMCIA_MEM)) {
330 		if (D_flag || H_flag) {
331 			usage("-D, -H  options are compatible with floppy and \
332 PCMCIA memory cards only.");
333 		}
334 	}
335 }
336