1 /* $NetBSD: drvctl.c,v 1.16 2012/01/17 08:22:09 wiz Exp $ */ 2 3 /* 4 * Copyright (c) 2004 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <inttypes.h> 30 #include <stdbool.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <unistd.h> 34 #include <err.h> 35 #include <fcntl.h> 36 #include <string.h> 37 #include <sys/ioctl.h> 38 #include <sys/drvctlio.h> 39 40 #define OPTS "QRSa:dlnprt" 41 42 #define OPEN_MODE(mode) \ 43 (((mode) == 'd' || (mode) == 'r') ? O_RDWR \ 44 : O_RDONLY) 45 46 __dead static void usage(void); 47 static void extract_property(prop_dictionary_t, const char *, bool); 48 static void display_object(prop_object_t, bool); 49 static void list_children(int, char *, bool, bool, int); 50 51 static void 52 usage(void) 53 { 54 55 fprintf(stderr, "Usage: %s -r [-a attribute] busdevice [locator ...]\n" 56 " %s -d device\n" 57 " %s [-nt] -l [device]\n" 58 " %s [-n] -p device [prop]\n" 59 " %s -Q device\n" 60 " %s -R device\n" 61 " %s -S device\n", 62 getprogname(), getprogname(), getprogname(), getprogname(), 63 getprogname(), getprogname(), getprogname()); 64 exit(1); 65 } 66 67 int 68 main(int argc, char **argv) 69 { 70 bool nflag = false, tflag = false; 71 int c, mode; 72 char *attr = 0; 73 extern char *optarg; 74 extern int optind; 75 int fd, res; 76 struct devpmargs paa = {.devname = "", .flags = 0}; 77 struct devdetachargs daa; 78 struct devrescanargs raa; 79 int *locs, i; 80 prop_dictionary_t command_dict, args_dict, results_dict, 81 data_dict; 82 prop_string_t string; 83 prop_number_t number; 84 char *xml; 85 86 mode = 0; 87 while ((c = getopt(argc, argv, OPTS)) != -1) { 88 switch (c) { 89 case 'Q': 90 case 'R': 91 case 'S': 92 case 'd': 93 case 'l': 94 case 'p': 95 case 'r': 96 mode = c; 97 break; 98 case 'a': 99 attr = optarg; 100 break; 101 case 'n': 102 nflag = true; 103 break; 104 case 't': 105 tflag = nflag = true; 106 break; 107 case '?': 108 default: 109 usage(); 110 } 111 } 112 113 argc -= optind; 114 argv += optind; 115 116 if ((argc < 1 && mode != 'l') || mode == 0) 117 usage(); 118 119 fd = open(DRVCTLDEV, OPEN_MODE(mode), 0); 120 if (fd < 0) 121 err(2, "open %s", DRVCTLDEV); 122 123 switch (mode) { 124 case 'Q': 125 paa.flags = DEVPM_F_SUBTREE; 126 /*FALLTHROUGH*/ 127 case 'R': 128 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 129 130 if (ioctl(fd, DRVRESUMEDEV, &paa) == -1) 131 err(3, "DRVRESUMEDEV"); 132 break; 133 case 'S': 134 strlcpy(paa.devname, argv[0], sizeof(paa.devname)); 135 136 if (ioctl(fd, DRVSUSPENDDEV, &paa) == -1) 137 err(3, "DRVSUSPENDDEV"); 138 break; 139 case 'd': 140 strlcpy(daa.devname, argv[0], sizeof(daa.devname)); 141 142 if (ioctl(fd, DRVDETACHDEV, &daa) == -1) 143 err(3, "DRVDETACHDEV"); 144 break; 145 case 'l': 146 list_children(fd, argc ? argv[0] : NULL, nflag, tflag, 0); 147 break; 148 case 'r': 149 memset(&raa, 0, sizeof(raa)); 150 strlcpy(raa.busname, argv[0], sizeof(raa.busname)); 151 if (attr) 152 strlcpy(raa.ifattr, attr, sizeof(raa.ifattr)); 153 if (argc > 1) { 154 locs = malloc((argc - 1) * sizeof(int)); 155 if (!locs) 156 err(5, "malloc int[%d]", argc - 1); 157 for (i = 0; i < argc - 1; i++) 158 locs[i] = atoi(argv[i + 1]); 159 raa.numlocators = argc - 1; 160 raa.locators = locs; 161 } 162 163 if (ioctl(fd, DRVRESCANBUS, &raa) == -1) 164 err(3, "DRVRESCANBUS"); 165 break; 166 case 'p': 167 168 command_dict = prop_dictionary_create(); 169 args_dict = prop_dictionary_create(); 170 171 string = prop_string_create_cstring_nocopy("get-properties"); 172 prop_dictionary_set(command_dict, "drvctl-command", string); 173 prop_object_release(string); 174 175 string = prop_string_create_cstring(argv[0]); 176 prop_dictionary_set(args_dict, "device-name", string); 177 prop_object_release(string); 178 179 prop_dictionary_set(command_dict, "drvctl-arguments", 180 args_dict); 181 prop_object_release(args_dict); 182 183 res = prop_dictionary_sendrecv_ioctl(command_dict, fd, 184 DRVCTLCOMMAND, 185 &results_dict); 186 prop_object_release(command_dict); 187 if (res) 188 errx(3, "DRVCTLCOMMAND: %s", strerror(res)); 189 190 number = prop_dictionary_get(results_dict, "drvctl-error"); 191 if (prop_number_integer_value(number) != 0) { 192 errx(3, "get-properties: %s", 193 strerror((int)prop_number_integer_value(number))); 194 } 195 196 data_dict = prop_dictionary_get(results_dict, 197 "drvctl-result-data"); 198 if (data_dict == NULL) { 199 errx(3, "get-properties: failed to return result data"); 200 } 201 202 if (argc == 1) { 203 xml = prop_dictionary_externalize(data_dict); 204 if (!nflag) { 205 printf("Properties for device `%s':\n", 206 argv[0]); 207 } 208 printf("%s", xml); 209 free(xml); 210 } else { 211 for (i = 1; i < argc; i++) 212 extract_property(data_dict, argv[i], nflag); 213 } 214 215 prop_object_release(results_dict); 216 break; 217 default: 218 errx(4, "unknown command"); 219 } 220 221 return (0); 222 } 223 224 static void 225 extract_property(prop_dictionary_t dict, const char *prop, bool nflag) 226 { 227 char *s, *p, *cur, *ep = NULL; 228 prop_object_t obj; 229 230 s = strdup(prop); 231 p = strtok_r(s, "/", &ep); 232 while (p) { 233 cur = p; 234 p = strtok_r(NULL, "/", &ep); 235 if (p) { 236 if (prop_dictionary_get_dict(dict, cur, &dict) == false) 237 exit(EXIT_FAILURE); 238 } else { 239 obj = prop_dictionary_get(dict, cur); 240 display_object(obj, nflag); 241 } 242 } 243 244 free(s); 245 } 246 247 static void 248 display_object(prop_object_t obj, bool nflag) 249 { 250 char *xml; 251 prop_object_t next_obj; 252 prop_object_iterator_t iter; 253 254 if (obj == NULL) 255 exit(EXIT_FAILURE); 256 switch (prop_object_type(obj)) { 257 case PROP_TYPE_BOOL: 258 printf("%s\n", prop_bool_true(obj) ? "true" : "false"); 259 break; 260 case PROP_TYPE_NUMBER: 261 printf("%" PRId64 "\n", prop_number_integer_value(obj)); 262 break; 263 case PROP_TYPE_STRING: 264 printf("%s\n", prop_string_cstring_nocopy(obj)); 265 break; 266 case PROP_TYPE_DICTIONARY: 267 xml = prop_dictionary_externalize(obj); 268 printf("%s", xml); 269 free(xml); 270 break; 271 case PROP_TYPE_ARRAY: 272 iter = prop_array_iterator(obj); 273 if (!nflag) 274 printf("Array:\n"); 275 while ((next_obj = prop_object_iterator_next(iter)) != NULL) 276 display_object(next_obj, nflag); 277 break; 278 default: 279 fprintf(stderr, "unhandled type %d\n", prop_object_type(obj)); 280 exit(EXIT_FAILURE); 281 } 282 } 283 284 static void 285 list_children(int fd, char *dvname, bool nflag, bool tflag, int depth) 286 { 287 struct devlistargs laa = {.l_devname = "", .l_childname = NULL, 288 .l_children = 0}; 289 size_t children; 290 int i, n; 291 292 if (dvname == NULL) { 293 if (depth > 0) 294 return; 295 *laa.l_devname = '\0'; 296 } else { 297 strlcpy(laa.l_devname, dvname, sizeof(laa.l_devname)); 298 } 299 300 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 301 err(3, "DRVLISTDEV"); 302 303 children = laa.l_children; 304 305 laa.l_childname = malloc(children * sizeof(laa.l_childname[0])); 306 if (laa.l_childname == NULL) 307 err(5, "DRVLISTDEV"); 308 if (ioctl(fd, DRVLISTDEV, &laa) == -1) 309 err(3, "DRVLISTDEV"); 310 if (laa.l_children > children) 311 err(6, "DRVLISTDEV: number of children grew"); 312 313 for (i = 0; i < (int)laa.l_children; i++) { 314 for (n = 0; n < depth; n++) 315 printf(" "); 316 if (!nflag) { 317 printf("%s ", 318 (dvname == NULL) ? "root" : laa.l_devname); 319 } 320 printf("%s\n", laa.l_childname[i]); 321 if (tflag) { 322 list_children(fd, laa.l_childname[i], nflag, 323 tflag, depth + 1); 324 } 325 } 326 327 free(laa.l_childname); 328 } 329