usr.sbin/installboot/installboot.c

94 #define OPTION(params, type, opt) (*(type *)((char *)(params) + (opt)->offset))
102 	ib_params	*params;
110 	params = &installboot_params;
111 	memset(params, 0, sizeof(*params));
112 	params->fsfd = -1;
113 	params->s1fd = -1;
115 		getmachine(params, p, "$MACHINE");
130 				params->s1start = (uint32_t)lval;
131 				params->flags |= IB_STAGE1START;
133 				params->s2start = (uint32_t)lval;
134 				params->flags |= IB_STAGE2START;
139 			params->flags |= IB_CLEAR;
143 			params->flags |= IB_EDIT;
147 			params->flags |= IB_FORCE;
151 			getmachine(params, optarg, "-m");
155 			params->flags |= IB_NOWRITE;
159 			parseoptions(params, optarg);
163 			getfstype(params, optarg, "-t");
167 			params->flags |= IB_VERBOSE;
180 	if (params->flags & IB_CLEAR && params->flags & IB_EDIT)
182 	if (argc < 1 || argc + 2 * !!(params->flags & (IB_CLEAR | IB_EDIT)) > 3)
186 	if (params->machine == NULL) {
189 		getmachine(params, utsname.machine, "uname()");
193 	unsupported_flags = params->flags & ~params->machine->valid_flags;
202 				    options[ndx].name, params->machine->name);
207 			    params->machine->name);
210 			    params->machine->name);
218 	if (params->flags & IB_STAGE1START && params->flags & IB_APPEND) {
222 	if (params->flags & IB_CLEAR &&
223 	    params->flags & (IB_STAGE1START | IB_STAGE2START | IB_APPEND)) {
229 		params->stage2 = argv[2];
232 	params->filesystem = argv[0];
233 	if (params->flags & IB_NOWRITE) {
241 	params->sectorsize = DFL_SECSIZE;
242 	if ((params->fsfd = open(params->filesystem, mode, 0600)) == -1)
244 		    params->filesystem, op);
245 	if (fstat(params->fsfd, &params->fsstat) == -1)
246 		err(1, "Examining file system `%s'", params->filesystem);
247 	if (params->fstype != NULL) {
248 		if (! params->fstype->match(params))
250 			    params->filesystem, params->fstype->name);
252 		if (params->stage2 != NULL) {
253 			params->fstype = &fstypes[0];
254 			while (params->fstype->name != NULL &&
255 				    !params->fstype->match(params))
256 				params->fstype++;
257 			if (params->fstype->name == NULL)
259 				    params->filesystem);
264 		if ((params->s1fd = open(argv[1], O_RDONLY, 0600)) == -1)
266 		if (fstat(params->s1fd, &params->s1stat) == -1)
268 		if (!S_ISREG(params->s1stat.st_mode))
270 		params->stage1 = argv[1];
272 	assert(params->machine != NULL);
274 	if (params->flags & IB_VERBOSE) {
275 		printf("File system:         %s\n", params->filesystem);
276 		if (params->fstype)
279 			    params->fstype->name, params->fstype->blocksize,
280 			    params->fstype->needswap);
281 		if (!(params->flags & IB_EDIT))
283 			    (params->flags & IB_CLEAR) ? "(to be cleared)"
284 			    : params->stage1 ? params->stage1 : "(none)" );
285 		if (params->stage2 != NULL)
286 			printf("Secondary bootstrap: %s\n", params->stage2);
289 	if (params->flags & IB_EDIT) {
291 		rv = params->machine->editboot(params);
292 	} else if (params->flags & IB_CLEAR) {
294 		rv = params->machine->clearboot(params);
300 		rv = params->machine->setboot(params);
305 	if (S_ISREG(params->fsstat.st_mode)) {
306 		if (fsync(params->fsfd) == -1)
308 			    params->filesystem);
313 	if (close(params->fsfd) == -1)
314 		err(1, "Closing file system `%s'", params->filesystem);
316 		if (close(params->s1fd) == -1)
318 			    params->stage1);
325 parseoptions(ib_params *params, const char *option)
332 	assert(params != NULL);
350 		params->flags |= opt->flag;
372 			OPTION(params, char *, opt) = cp;
380 			OPTION(params, int, opt) = (int)val;
425 no_setboot(ib_params *params)
428 	assert(params != NULL);
431 	    params->machine->name);
436 no_clearboot(ib_params *params)
439 	assert(params != NULL);
442 	    params->machine->name);
447 no_editboot(ib_params *params)
450 	assert(params != NULL);
453 	    params->machine->name);