File: | src/sbin/disklabel/editor.c |
Warning: | line 2005, column 24 Array access (from variable 'unit2') results in a null pointer dereference |
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1 | /* $OpenBSD: editor.c,v 1.417 2023/09/06 12:45:19 robert Exp $ */ | |||
2 | ||||
3 | /* | |||
4 | * Copyright (c) 1997-2000 Todd C. Miller <millert@openbsd.org> | |||
5 | * | |||
6 | * Permission to use, copy, modify, and distribute this software for any | |||
7 | * purpose with or without fee is hereby granted, provided that the above | |||
8 | * copyright notice and this permission notice appear in all copies. | |||
9 | * | |||
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |||
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |||
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |||
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |||
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |||
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
17 | */ | |||
18 | ||||
19 | #include <sys/param.h> /* MAXBSIZE DEV_BSIZE */ | |||
20 | #include <sys/types.h> | |||
21 | #include <sys/signal.h> | |||
22 | #include <sys/stat.h> | |||
23 | #include <sys/ioctl.h> | |||
24 | #include <sys/dkio.h> | |||
25 | #include <sys/sysctl.h> | |||
26 | #define DKTYPENAMES | |||
27 | #include <sys/disklabel.h> | |||
28 | ||||
29 | #include <ufs/ffs/fs.h> | |||
30 | ||||
31 | #include <ctype.h> | |||
32 | #include <err.h> | |||
33 | #include <errno(*__errno()).h> | |||
34 | #include <string.h> | |||
35 | #include <libgen.h> | |||
36 | #include <stdint.h> | |||
37 | #include <stdio.h> | |||
38 | #include <stdlib.h> | |||
39 | #include <unistd.h> | |||
40 | #include <limits.h> | |||
41 | ||||
42 | #include "extern.h" | |||
43 | #include "pathnames.h" | |||
44 | ||||
45 | #define ROUNDUP(_s, _a)((((_s) + (_a) - 1) / (_a)) * (_a)) ((((_s) + (_a) - 1) / (_a)) * (_a)) | |||
46 | #define ROUNDDOWN(_s, _a)(((_s) / (_a)) * (_a)) (((_s) / (_a)) * (_a)) | |||
47 | #define CHUNKSZ(_c)((_c)->stop - (_c)->start) ((_c)->stop - (_c)->start) | |||
48 | ||||
49 | /* flags for getuint64() */ | |||
50 | #define DO_CONVERSIONS0x00000001 0x00000001 | |||
51 | #define DO_ROUNDING0x00000002 0x00000002 | |||
52 | ||||
53 | /* flags for alignpartition() */ | |||
54 | #define ROUND_OFFSET_UP0x00000001 0x00000001 | |||
55 | #define ROUND_OFFSET_DOWN0x00000002 0x00000002 | |||
56 | #define ROUND_SIZE_UP0x00000004 0x00000004 | |||
57 | #define ROUND_SIZE_DOWN0x00000008 0x00000008 | |||
58 | #define ROUND_SIZE_OVERLAP0x00000010 0x00000010 | |||
59 | ||||
60 | /* Special return values for getnumber and getuint64() */ | |||
61 | #define CMD_ABORTED(0xffffffffffffffffULL - 1) (ULLONG_MAX0xffffffffffffffffULL - 1) | |||
62 | #define CMD_BADVALUE(0xffffffffffffffffULL) (ULLONG_MAX0xffffffffffffffffULL) | |||
63 | ||||
64 | /* structure to describe a portion of a disk */ | |||
65 | struct diskchunk { | |||
66 | u_int64_t start; | |||
67 | u_int64_t stop; | |||
68 | }; | |||
69 | ||||
70 | /* used when sorting mountpoints in mpsave() */ | |||
71 | struct mountinfo { | |||
72 | char *mountpoint; | |||
73 | int partno; | |||
74 | }; | |||
75 | ||||
76 | /* used when allocating all space according to recommendations */ | |||
77 | ||||
78 | struct space_allocation { | |||
79 | u_int64_t minsz; /* starts as blocks, xlated to sectors. */ | |||
80 | u_int64_t maxsz; /* starts as blocks, xlated to sectors. */ | |||
81 | int rate; /* % of extra space to use */ | |||
82 | char *mp; | |||
83 | }; | |||
84 | ||||
85 | /* | |||
86 | * NOTE! Changing partition sizes in the space_allocation tables | |||
87 | * requires corresponding updates to the *.ok files in | |||
88 | * /usr/src/regress/sbin/disklabel. | |||
89 | */ | |||
90 | ||||
91 | /* entries for swap and var are changed by editor_allocspace() */ | |||
92 | struct space_allocation alloc_big[] = { | |||
93 | { MEG(150)((150) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, | |||
94 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, | |||
95 | { MEG(120)((120) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 8, "/tmp" }, | |||
96 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 13, "/var" }, | |||
97 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(30)(((30) * 1024LL * (1024 / (1 << 9))) * 1024LL), 10, "/usr" }, | |||
98 | { MEG(384)((384) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 3, "/usr/X11R6" }, | |||
99 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(20)(((20) * 1024LL * (1024 / (1 << 9))) * 1024LL), 15, "/usr/local" }, | |||
100 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 2, "/usr/src" }, | |||
101 | { GIG(5)(((5) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(6)(((6) * 1024LL * (1024 / (1 << 9))) * 1024LL), 4, "/usr/obj" }, | |||
102 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(300)(((300) * 1024LL * (1024 / (1 << 9))) * 1024LL), 30, "/home" } | |||
103 | /* Anything beyond this leave for the user to decide */ | |||
104 | }; | |||
105 | ||||
106 | struct space_allocation alloc_medium[] = { | |||
107 | { MEG(800)((800) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, | |||
108 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, | |||
109 | { MEG(1300)((1300) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 78, "/usr" }, | |||
110 | { MEG(256)((256) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 7, "/home" } | |||
111 | }; | |||
112 | ||||
113 | struct space_allocation alloc_small[] = { | |||
114 | { MEG(700)((700) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 95, "/" }, | |||
115 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 5, "swap" } | |||
116 | }; | |||
117 | ||||
118 | struct space_allocation alloc_stupid[] = { | |||
119 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(2048)((2048) * 1024LL * (1024 / (1 << 9))), 100, "/" } | |||
120 | }; | |||
121 | ||||
122 | #ifndef nitems | |||
123 | #define nitems(_a)(sizeof((_a)) / sizeof((_a)[0])) (sizeof((_a)) / sizeof((_a)[0])) | |||
124 | #endif | |||
125 | ||||
126 | struct alloc_table { | |||
127 | struct space_allocation *table; | |||
128 | int sz; | |||
129 | }; | |||
130 | ||||
131 | struct alloc_table alloc_table_default[] = { | |||
132 | { alloc_big, nitems(alloc_big)(sizeof((alloc_big)) / sizeof((alloc_big)[0])) }, | |||
133 | { alloc_medium, nitems(alloc_medium)(sizeof((alloc_medium)) / sizeof((alloc_medium)[0])) }, | |||
134 | { alloc_small, nitems(alloc_small)(sizeof((alloc_small)) / sizeof((alloc_small)[0])) }, | |||
135 | { alloc_stupid, nitems(alloc_stupid)(sizeof((alloc_stupid)) / sizeof((alloc_stupid)[0])) } | |||
136 | }; | |||
137 | struct alloc_table *alloc_table = alloc_table_default; | |||
138 | int alloc_table_nitems = 4; | |||
139 | ||||
140 | void edit_packname(struct disklabel *); | |||
141 | void editor_resize(struct disklabel *, const char *); | |||
142 | void editor_add(struct disklabel *, const char *); | |||
143 | void editor_change(struct disklabel *, const char *); | |||
144 | u_int64_t editor_countfree(const struct disklabel *); | |||
145 | void editor_delete(struct disklabel *, const char *); | |||
146 | void editor_help(void); | |||
147 | void editor_modify(struct disklabel *, const char *); | |||
148 | void editor_name(const struct disklabel *, const char *); | |||
149 | char *getstring(const char *, const char *, const char *); | |||
150 | u_int64_t getuint64(const struct disklabel *, char *, char *, u_int64_t, | |||
151 | u_int64_t, int *); | |||
152 | u_int64_t getnumber(const char *, const char *, u_int32_t, u_int32_t); | |||
153 | int getpartno(const struct disklabel *, const char *, const char *); | |||
154 | int has_overlap(struct disklabel *); | |||
155 | int partition_cmp(const void *, const void *); | |||
156 | const struct partition **sort_partitions(const struct disklabel *, int); | |||
157 | void find_bounds(const struct disklabel *); | |||
158 | void set_bounds(struct disklabel *); | |||
159 | void set_duid(struct disklabel *); | |||
160 | int set_fragblock(struct disklabel *, int); | |||
161 | const struct diskchunk *free_chunks(const struct disklabel *, int); | |||
162 | int micmp(const void *, const void *); | |||
163 | int mpequal(char **, char **); | |||
164 | int get_fstype(struct disklabel *, int); | |||
165 | int get_mp(const struct disklabel *, int); | |||
166 | int get_offset(struct disklabel *, int); | |||
167 | int get_size(struct disklabel *, int); | |||
168 | void zero_partitions(struct disklabel *); | |||
169 | u_int64_t max_partition_size(const struct disklabel *, int); | |||
170 | void display_edit(const struct disklabel *, char); | |||
171 | void psize(u_int64_t sz, char unit, const struct disklabel *lp); | |||
172 | char *get_token(char **); | |||
173 | int apply_unit(double, u_char, u_int64_t *); | |||
174 | int parse_sizespec(const char *, double *, char **); | |||
175 | int parse_sizerange(char *, u_int64_t *, u_int64_t *); | |||
176 | int parse_pct(char *, int *); | |||
177 | int alignpartition(struct disklabel *, int, u_int64_t, u_int64_t, int); | |||
178 | int allocate_space(struct disklabel *, const struct alloc_table *); | |||
179 | void allocate_physmemincr(struct space_allocation *); | |||
180 | int allocate_partition(struct disklabel *, struct space_allocation *); | |||
181 | const struct diskchunk *allocate_diskchunk(const struct disklabel *, | |||
182 | const struct space_allocation *); | |||
183 | ||||
184 | static u_int64_t starting_sector; | |||
185 | static u_int64_t ending_sector; | |||
186 | static int resizeok; | |||
187 | ||||
188 | /* | |||
189 | * Simple partition editor. | |||
190 | */ | |||
191 | int | |||
192 | editor(int f) | |||
193 | { | |||
194 | struct disklabel origlabel, lastlabel, tmplabel, newlab = lab; | |||
195 | struct partition *pp; | |||
196 | FILE *fp; | |||
197 | char buf[BUFSIZ1024], *cmd, *arg; | |||
198 | char **omountpoints = NULL((void *)0); | |||
199 | char **origmountpoints = NULL((void *)0), **tmpmountpoints = NULL((void *)0); | |||
200 | int i, error = 0; | |||
201 | ||||
202 | /* Alloc and init mount point info */ | |||
203 | if (!(omountpoints = calloc(MAXPARTITIONS16, sizeof(char *))) || | |||
204 | !(origmountpoints = calloc(MAXPARTITIONS16, sizeof(char *))) || | |||
205 | !(tmpmountpoints = calloc(MAXPARTITIONS16, sizeof(char *)))) | |||
206 | err(1, NULL((void *)0)); | |||
207 | ||||
208 | /* How big is the OpenBSD portion of the disk? */ | |||
209 | find_bounds(&newlab); | |||
210 | ||||
211 | /* Make sure there is no partition overlap. */ | |||
212 | if (has_overlap(&newlab)) | |||
213 | errx(1, "can't run when there is partition overlap."); | |||
214 | ||||
215 | /* If we don't have a 'c' partition, create one. */ | |||
216 | pp = &newlab.d_partitions[RAW_PART2]; | |||
217 | if (newlab.d_npartitions <= RAW_PART2 || DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { | |||
218 | puts("No 'c' partition found, adding one that spans the disk."); | |||
219 | if (newlab.d_npartitions <= RAW_PART2) | |||
220 | newlab.d_npartitions = RAW_PART2 + 1; | |||
221 | DL_SETPOFFSET(pp, 0)do { u_int64_t __x = (0); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); | |||
222 | DL_SETPSIZE(pp, DL_GETDSIZE(&newlab))do { u_int64_t __x = ((((u_int64_t)(&newlab)->d_secperunith << 32) + (&newlab)->d_secperunit)); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
223 | pp->p_fstype = FS_UNUSED0; | |||
224 | pp->p_fragblock = pp->p_cpg = 0; | |||
225 | } | |||
226 | ||||
227 | #ifdef SUN_CYLCHECK | |||
228 | if ((newlab.d_flags & D_VENDOR0x08) && !quiet) { | |||
229 | puts("This platform requires that partition offsets/sizes " | |||
230 | "be on cylinder boundaries.\n" | |||
231 | "Partition offsets/sizes will be rounded to the " | |||
232 | "nearest cylinder automatically."); | |||
233 | } | |||
234 | #endif | |||
235 | ||||
236 | /* Save the (U|u)ndo labels and mountpoints. */ | |||
237 | mpcopy(origmountpoints, mountpoints); | |||
238 | origlabel = newlab; | |||
239 | lastlabel = newlab; | |||
240 | ||||
241 | puts("Label editor (enter '?' for help at any prompt)"); | |||
242 | for (;;) { | |||
243 | fprintf(stdout(&__sF[1]), "%s%s> ", dkname, | |||
244 | (memcmp(&lab, &newlab, sizeof(newlab)) == 0) ? "" : "*"); | |||
245 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { | |||
246 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
247 | buf[0] = 'q'; | |||
248 | buf[1] = '\0'; | |||
249 | } | |||
250 | if ((cmd = strtok(buf, " \t\r\n")) == NULL((void *)0)) | |||
251 | continue; | |||
252 | arg = strtok(NULL((void *)0), " \t\r\n"); | |||
253 | ||||
254 | if ((*cmd != 'u') && (*cmd != 'U')) { | |||
255 | /* | |||
256 | * Save undo info in case the command tries to make | |||
257 | * changes but decides not to. | |||
258 | */ | |||
259 | tmplabel = lastlabel; | |||
260 | lastlabel = newlab; | |||
261 | mpcopy(tmpmountpoints, omountpoints); | |||
262 | mpcopy(omountpoints, mountpoints); | |||
263 | } | |||
264 | ||||
265 | switch (*cmd) { | |||
266 | case '?': | |||
267 | case 'h': | |||
268 | editor_help(); | |||
269 | break; | |||
270 | ||||
271 | case 'A': | |||
272 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) { | |||
273 | warn("DIOCGPDINFO"); | |||
274 | newlab = lastlabel; | |||
275 | } else { | |||
276 | int oquiet = quiet; | |||
277 | aflag = 1; | |||
278 | quiet = 0; | |||
279 | editor_allocspace(&newlab); | |||
280 | quiet = oquiet; | |||
281 | } | |||
282 | break; | |||
283 | case 'a': | |||
284 | editor_add(&newlab, arg); | |||
285 | break; | |||
286 | ||||
287 | case 'b': | |||
288 | set_bounds(&newlab); | |||
289 | break; | |||
290 | ||||
291 | case 'c': | |||
292 | editor_change(&newlab, arg); | |||
293 | break; | |||
294 | ||||
295 | case 'D': | |||
296 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) | |||
297 | warn("DIOCGPDINFO"); | |||
298 | else { | |||
299 | dflag = 1; | |||
300 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
301 | free(mountpoints[i]); | |||
302 | mountpoints[i] = NULL((void *)0); | |||
303 | } | |||
304 | } | |||
305 | break; | |||
306 | ||||
307 | case 'd': | |||
308 | editor_delete(&newlab, arg); | |||
309 | break; | |||
310 | ||||
311 | case 'e': | |||
312 | edit_packname(&newlab); | |||
313 | break; | |||
314 | ||||
315 | case 'i': | |||
316 | set_duid(&newlab); | |||
317 | break; | |||
318 | ||||
319 | case 'm': | |||
320 | editor_modify(&newlab, arg); | |||
321 | break; | |||
322 | ||||
323 | case 'n': | |||
324 | if (!fstabfile) { | |||
325 | fputs("This option is not valid when run " | |||
326 | "without the -F or -f flags.\n", stderr(&__sF[2])); | |||
327 | break; | |||
328 | } | |||
329 | editor_name(&newlab, arg); | |||
330 | break; | |||
331 | ||||
332 | case 'p': | |||
333 | display_edit(&newlab, arg ? *arg : 0); | |||
334 | break; | |||
335 | ||||
336 | case 'l': | |||
337 | display(stdout(&__sF[1]), &newlab, arg ? *arg : 0, 0); | |||
338 | break; | |||
339 | ||||
340 | case 'M': { | |||
341 | sig_t opipe = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
342 | char *pager, *comm = NULL((void *)0); | |||
343 | extern const u_char manpage[]; | |||
344 | extern const int manpage_sz; | |||
345 | ||||
346 | if ((pager = getenv("PAGER")) == NULL((void *)0) || *pager == '\0') | |||
347 | pager = _PATH_LESS"/usr/bin/less"; | |||
348 | ||||
349 | if (asprintf(&comm, "gunzip -qc|%s", pager) != -1 && | |||
350 | (fp = popen(comm, "w")) != NULL((void *)0)) { | |||
351 | (void) fwrite(manpage, manpage_sz, 1, fp); | |||
352 | pclose(fp); | |||
353 | } else | |||
354 | warn("unable to execute %s", pager); | |||
355 | ||||
356 | free(comm); | |||
357 | (void)signal(SIGPIPE13, opipe); | |||
358 | break; | |||
359 | } | |||
360 | ||||
361 | case 'q': | |||
362 | if (donothing) { | |||
363 | puts("In no change mode, not writing label."); | |||
364 | goto done; | |||
365 | } | |||
366 | ||||
367 | /* | |||
368 | * If we haven't changed the original label, and it | |||
369 | * wasn't a default label or an auto-allocated label, | |||
370 | * there is no need to do anything before exiting. Note | |||
371 | * that 'w' will reset dflag and aflag to allow 'q' to | |||
372 | * exit without further questions. | |||
373 | */ | |||
374 | if (!dflag && !aflag && | |||
375 | memcmp(&lab, &newlab, sizeof(newlab)) == 0) { | |||
376 | puts("No label changes."); | |||
377 | /* Save mountpoint info. */ | |||
378 | mpsave(&newlab); | |||
379 | goto done; | |||
380 | } | |||
381 | do { | |||
382 | arg = getstring("Write new label?", | |||
383 | "Write the modified label to disk?", | |||
384 | "y"); | |||
385 | } while (arg && tolower((unsigned char)*arg) != 'y' && | |||
386 | tolower((unsigned char)*arg) != 'n'); | |||
387 | if (arg && tolower((unsigned char)*arg) == 'y') { | |||
388 | if (writelabel(f, &newlab) == 0) { | |||
389 | newlab = lab; /* lab now has UID info */ | |||
390 | goto done; | |||
391 | } | |||
392 | warnx("unable to write label"); | |||
393 | } | |||
394 | error = 1; | |||
395 | goto done; | |||
396 | /* NOTREACHED */ | |||
397 | break; | |||
398 | ||||
399 | case 'R': | |||
400 | if (aflag && resizeok) | |||
401 | editor_resize(&newlab, arg); | |||
402 | else | |||
403 | fputs("Resize only implemented for auto " | |||
404 | "allocated labels\n", stderr(&__sF[2])); | |||
405 | break; | |||
406 | ||||
407 | case 'r': { | |||
408 | const struct diskchunk *chunk; | |||
409 | uint64_t total = 0; | |||
410 | /* Display free space. */ | |||
411 | chunk = free_chunks(&newlab, -1); | |||
412 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { | |||
413 | total += CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); | |||
414 | fprintf(stderr(&__sF[2]), "Free sectors: %16llu - %16llu " | |||
415 | "(%16llu)\n", | |||
416 | chunk->start, chunk->stop - 1, | |||
417 | CHUNKSZ(chunk)((chunk)->stop - (chunk)->start)); | |||
418 | } | |||
419 | fprintf(stderr(&__sF[2]), "Total free sectors: %llu.\n", total); | |||
420 | break; | |||
421 | } | |||
422 | ||||
423 | case 's': | |||
424 | if (arg == NULL((void *)0)) { | |||
425 | arg = getstring("Filename", | |||
426 | "Name of the file to save label into.", | |||
427 | NULL((void *)0)); | |||
428 | if (arg == NULL((void *)0) || *arg == '\0') | |||
429 | break; | |||
430 | } | |||
431 | if ((fp = fopen(arg, "w")) == NULL((void *)0)) { | |||
432 | warn("cannot open %s", arg); | |||
433 | } else { | |||
434 | display(fp, &newlab, 0, 1); | |||
435 | (void)fclose(fp); | |||
436 | } | |||
437 | break; | |||
438 | ||||
439 | case 'U': | |||
440 | /* | |||
441 | * If we allow 'U' repeatedly, information would be | |||
442 | * lost. This way multiple 'U's followed by 'u' will | |||
443 | * undo the 'U's. | |||
444 | */ | |||
445 | if (memcmp(&newlab, &origlabel, sizeof(newlab)) || | |||
446 | !mpequal(mountpoints, origmountpoints)) { | |||
447 | tmplabel = newlab; | |||
448 | newlab = origlabel; | |||
449 | lastlabel = tmplabel; | |||
450 | mpcopy(tmpmountpoints, mountpoints); | |||
451 | mpcopy(mountpoints, origmountpoints); | |||
452 | mpcopy(omountpoints, tmpmountpoints); | |||
453 | } | |||
454 | puts("Original label and mount points restored."); | |||
455 | break; | |||
456 | ||||
457 | case 'u': | |||
458 | tmplabel = newlab; | |||
459 | newlab = lastlabel; | |||
460 | lastlabel = tmplabel; | |||
461 | mpcopy(tmpmountpoints, mountpoints); | |||
462 | mpcopy(mountpoints, omountpoints); | |||
463 | mpcopy(omountpoints, tmpmountpoints); | |||
464 | puts("Last change undone."); | |||
465 | break; | |||
466 | ||||
467 | case 'w': | |||
468 | if (donothing) { | |||
469 | puts("In no change mode, not writing label."); | |||
470 | break; | |||
471 | } | |||
472 | ||||
473 | /* Write label to disk. */ | |||
474 | if (writelabel(f, &newlab) != 0) | |||
475 | warnx("unable to write label"); | |||
476 | else { | |||
477 | dflag = aflag = 0; | |||
478 | newlab = lab; /* lab now has UID info */ | |||
479 | } | |||
480 | break; | |||
481 | ||||
482 | case 'x': | |||
483 | goto done; | |||
484 | break; | |||
485 | ||||
486 | case 'z': | |||
487 | zero_partitions(&newlab); | |||
488 | break; | |||
489 | ||||
490 | case '\n': | |||
491 | break; | |||
492 | ||||
493 | default: | |||
494 | printf("Unknown option: %c ('?' for help)\n", *cmd); | |||
495 | break; | |||
496 | } | |||
497 | ||||
498 | /* | |||
499 | * If no changes were made to label or mountpoints, then | |||
500 | * restore undo info. | |||
501 | */ | |||
502 | if (memcmp(&newlab, &lastlabel, sizeof(newlab)) == 0 && | |||
503 | (mpequal(mountpoints, omountpoints))) { | |||
504 | lastlabel = tmplabel; | |||
505 | mpcopy(omountpoints, tmpmountpoints); | |||
506 | } | |||
507 | } | |||
508 | done: | |||
509 | mpfree(omountpoints, DISCARD0); | |||
510 | mpfree(origmountpoints, DISCARD0); | |||
511 | mpfree(tmpmountpoints, DISCARD0); | |||
512 | return error; | |||
513 | } | |||
514 | ||||
515 | /* | |||
516 | * Allocate all disk space according to standard recommendations for a | |||
517 | * root disk. | |||
518 | */ | |||
519 | int | |||
520 | editor_allocspace(struct disklabel *lp_org) | |||
521 | { | |||
522 | struct disklabel label; | |||
523 | struct partition *pp; | |||
524 | u_int64_t pstart, pend; | |||
525 | int i; | |||
526 | ||||
527 | /* How big is the OpenBSD portion of the disk? */ | |||
528 | find_bounds(lp_org); | |||
529 | ||||
530 | resizeok = 1; | |||
531 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
532 | if (i == RAW_PART2) | |||
533 | continue; | |||
534 | pp = &lp_org->d_partitions[i]; | |||
535 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || pp->p_fstype == FS_UNUSED0) | |||
536 | continue; | |||
537 | pstart = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); | |||
538 | pend = pstart + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
539 | if (((pstart >= starting_sector && pstart < ending_sector) || | |||
540 | (pend > starting_sector && pend <= ending_sector))) | |||
541 | resizeok = 0; /* Part of OBSD area is in use! */ | |||
542 | } | |||
543 | ||||
544 | for (i = 0; i < alloc_table_nitems; i++) { | |||
545 | memcpy(&label, lp_org, sizeof(label)); | |||
546 | if (allocate_space(&label, &alloc_table[i]) == 0) { | |||
547 | memcpy(lp_org, &label, sizeof(struct disklabel)); | |||
548 | return 0; | |||
549 | } | |||
550 | } | |||
551 | ||||
552 | return 1; | |||
553 | } | |||
554 | ||||
555 | const struct diskchunk * | |||
556 | allocate_diskchunk(const struct disklabel *lp, | |||
557 | const struct space_allocation *sa) | |||
558 | { | |||
559 | const struct diskchunk *chunk; | |||
560 | static struct diskchunk largest; | |||
561 | uint64_t maxstop; | |||
562 | ||||
563 | largest.start = largest.stop = 0; | |||
564 | ||||
565 | chunk = free_chunks(lp, -1); | |||
566 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { | |||
567 | if (CHUNKSZ(chunk)((chunk)->stop - (chunk)->start) > CHUNKSZ(&largest)((&largest)->stop - (&largest)->start)) | |||
568 | largest = *chunk; | |||
569 | } | |||
570 | maxstop = largest.start + DL_BLKTOSEC(lp, sa->maxsz)((sa->maxsz) / ((lp)->d_secsize / (1 << 9))); | |||
571 | if (maxstop > largest.stop) | |||
572 | maxstop = largest.stop; | |||
573 | #ifdef SUN_CYLCHECK | |||
574 | if (lp->d_flags & D_VENDOR0x08) { | |||
575 | largest.start = ROUNDUP(largest.start, lp->d_secpercyl)((((largest.start) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl )) * (lp->d_secpercyl)); | |||
576 | maxstop = ROUNDUP(maxstop, lp->d_secpercyl)((((maxstop) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl )) * (lp->d_secpercyl)); | |||
577 | if (maxstop > largest.stop) | |||
578 | maxstop -= lp->d_secpercyl; | |||
579 | if (largest.start >= maxstop) | |||
580 | largest.start = largest.stop = maxstop = 0; | |||
581 | } | |||
582 | #endif | |||
583 | if (maxstop < largest.stop) | |||
584 | largest.stop = maxstop; | |||
585 | if (CHUNKSZ(&largest)((&largest)->stop - (&largest)->start) < DL_BLKTOSEC(lp, sa->minsz)((sa->minsz) / ((lp)->d_secsize / (1 << 9)))) | |||
586 | return NULL((void *)0); | |||
587 | ||||
588 | return &largest; | |||
589 | } | |||
590 | ||||
591 | int | |||
592 | allocate_partition(struct disklabel *lp, struct space_allocation *sa) | |||
593 | { | |||
594 | const struct diskchunk *chunk; | |||
595 | struct partition *pp; | |||
596 | unsigned int partno; | |||
597 | ||||
598 | for (partno = 0; partno < nitems(lp->d_partitions)(sizeof((lp->d_partitions)) / sizeof((lp->d_partitions) [0])); partno++) { | |||
599 | if (partno == RAW_PART2) | |||
600 | continue; | |||
601 | pp = &lp->d_partitions[partno]; | |||
602 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || pp->p_fstype == FS_UNUSED0) | |||
603 | break; | |||
604 | } | |||
605 | if (partno >= nitems(lp->d_partitions)(sizeof((lp->d_partitions)) / sizeof((lp->d_partitions) [0]))) | |||
606 | return 1; /* No free partition. */ | |||
607 | ||||
608 | /* Find appropriate chunk of free space. */ | |||
609 | chunk = allocate_diskchunk(lp, sa); | |||
610 | if (chunk == NULL((void *)0)) | |||
611 | return 1; | |||
612 | ||||
613 | if (strcasecmp(sa->mp, "raid") == 0) | |||
614 | pp->p_fstype = FS_RAID19; | |||
615 | else if (strcasecmp(sa->mp, "swap") == 0) | |||
616 | pp->p_fstype = FS_SWAP1; | |||
617 | else if (sa->mp[0] == '/') | |||
618 | pp->p_fstype = FS_BSDFFS7; | |||
619 | else | |||
620 | return 1; | |||
621 | ||||
622 | DL_SETPSIZE(pp, chunk->stop - chunk->start)do { u_int64_t __x = (chunk->stop - chunk->start); (pp) ->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
623 | DL_SETPOFFSET(pp, chunk->start)do { u_int64_t __x = (chunk->start); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
624 | ||||
625 | if (pp->p_fstype == FS_BSDFFS7 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > 0) { | |||
626 | mountpoints[partno] = strdup(sa->mp); | |||
627 | if (mountpoints[partno] == NULL((void *)0)) | |||
628 | err(1, NULL((void *)0)); | |||
629 | if (set_fragblock(lp, partno)) | |||
630 | return 1; | |||
631 | } | |||
632 | ||||
633 | return 0; | |||
634 | } | |||
635 | ||||
636 | void | |||
637 | allocate_physmemincr(struct space_allocation *sa) | |||
638 | { | |||
639 | u_int64_t memblks; | |||
640 | extern int64_t physmem; | |||
641 | ||||
642 | if (physmem == 0) | |||
643 | return; | |||
644 | ||||
645 | memblks = physmem / DEV_BSIZE(1 << 9); | |||
646 | if (strcasecmp(sa->mp, "swap") == 0) { | |||
647 | if (memblks < MEG(256)((256) * 1024LL * (1024 / (1 << 9)))) | |||
648 | sa->minsz = sa->maxsz = 2 * memblks; | |||
649 | else | |||
650 | sa->maxsz += memblks; | |||
651 | } else if (strcasecmp(sa->mp, "/var") == 0) { | |||
652 | sa->maxsz += 2 * memblks; | |||
653 | } | |||
654 | } | |||
655 | ||||
656 | int | |||
657 | allocate_space(struct disklabel *lp, const struct alloc_table *alloc_table) | |||
658 | { | |||
659 | struct space_allocation sa[MAXPARTITIONS16]; | |||
660 | u_int64_t maxsz, xtrablks; | |||
661 | int i; | |||
662 | ||||
663 | xtrablks = DL_SECTOBLK(lp, editor_countfree(lp))((editor_countfree(lp)) * ((lp)->d_secsize / (1 << 9 ))); | |||
664 | memset(sa, 0, sizeof(sa)); | |||
665 | for (i = 0; i < alloc_table->sz; i++) { | |||
666 | sa[i] = alloc_table->table[i]; | |||
667 | if (alloc_table->table == alloc_big) | |||
668 | allocate_physmemincr(&sa[i]); | |||
669 | if (xtrablks < sa[i].minsz) | |||
670 | return 1; /* Too few free blocks. */ | |||
671 | xtrablks -= sa[i].minsz; | |||
672 | } | |||
673 | sa[alloc_table->sz - 1].rate = 100; /* Last allocation is greedy. */ | |||
674 | ||||
675 | for (i = lp->d_npartitions; i < MAXPARTITIONS16; i++) { | |||
676 | if (i == RAW_PART2) | |||
677 | continue; | |||
678 | memset(&lp->d_partitions[i], 0, sizeof(lp->d_partitions[i])); | |||
679 | } | |||
680 | lp->d_npartitions = MAXPARTITIONS16; | |||
681 | ||||
682 | mpfree(mountpoints, KEEP1); | |||
683 | for (i = 0; i < alloc_table->sz; i++) { | |||
684 | if (sa[i].rate == 100) | |||
685 | maxsz = sa[i].minsz + xtrablks; | |||
686 | else | |||
687 | maxsz = sa[i].minsz + (xtrablks / 100) * sa[i].rate; | |||
688 | if (maxsz < sa[i].maxsz) | |||
689 | sa[i].maxsz = maxsz; | |||
690 | if (allocate_partition(lp, &sa[i])) { | |||
691 | mpfree(mountpoints, KEEP1); | |||
692 | return 1; | |||
693 | } | |||
694 | } | |||
695 | ||||
696 | return 0; | |||
697 | } | |||
698 | ||||
699 | /* | |||
700 | * Resize a partition, moving all subsequent partitions | |||
701 | */ | |||
702 | void | |||
703 | editor_resize(struct disklabel *lp, const char *p) | |||
704 | { | |||
705 | struct disklabel label; | |||
706 | struct partition *pp, *prev; | |||
707 | u_int64_t ui, sz, off; | |||
708 | int partno, i, flags, shrunk; | |||
709 | ||||
710 | label = *lp; | |||
711 | ||||
712 | if ((partno = getpartno(&label, p, "resize")) == -1) | |||
713 | return; | |||
714 | ||||
715 | pp = &label.d_partitions[partno]; | |||
716 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
717 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) { | |||
718 | fputs("Cannot resize spoofed partition\n", stderr(&__sF[2])); | |||
719 | return; | |||
720 | } | |||
721 | flags = DO_CONVERSIONS0x00000001; | |||
722 | ui = getuint64(lp, "[+|-]new size (with unit)", | |||
723 | "new size or amount to grow (+) or shrink (-) partition including " | |||
724 | "unit", sz, sz + editor_countfree(lp), &flags); | |||
725 | ||||
726 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) | |||
727 | return; | |||
728 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
729 | return; | |||
730 | else if (ui == 0) { | |||
731 | fputs("The size must be > 0 sectors\n", stderr(&__sF[2])); | |||
732 | return; | |||
733 | } | |||
734 | ||||
735 | #ifdef SUN_CYLCHECK | |||
736 | if (lp->d_flags & D_VENDOR0x08) | |||
737 | ui = ROUNDUP(ui, lp->d_secpercyl)((((ui) + (lp->d_secpercyl) - 1) / (lp->d_secpercyl)) * (lp->d_secpercyl)); | |||
738 | #endif | |||
739 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + ui > ending_sector) { | |||
740 | fputs("Amount too big\n", stderr(&__sF[2])); | |||
741 | return; | |||
742 | } | |||
743 | ||||
744 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); | |||
745 | pp->p_fragblock = 0; | |||
746 | if (set_fragblock(&label, partno) == 1) | |||
747 | return; | |||
748 | ||||
749 | /* | |||
750 | * Pack partitions above the resized partition, leaving unused | |||
751 | * partitions alone. | |||
752 | */ | |||
753 | shrunk = -1; | |||
754 | prev = pp; | |||
755 | for (i = partno + 1; i < MAXPARTITIONS16; i++) { | |||
756 | if (i == RAW_PART2) | |||
757 | continue; | |||
758 | pp = &label.d_partitions[i]; | |||
759 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) | |||
760 | continue; | |||
761 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
762 | if (sz == 0) | |||
763 | continue; | |||
764 | ||||
765 | off = DL_GETPOFFSET(prev)(((u_int64_t)(prev)->p_offseth << 32) + (prev)->p_offset ) + DL_GETPSIZE(prev)(((u_int64_t)(prev)->p_sizeh << 32) + (prev)->p_size ); | |||
766 | ||||
767 | if (off < ending_sector) { | |||
768 | DL_SETPOFFSET(pp, off)do { u_int64_t __x = (off); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
769 | if (off + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > ending_sector) { | |||
770 | DL_SETPSIZE(pp, ending_sector - off)do { u_int64_t __x = (ending_sector - off); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
771 | pp->p_fragblock = 0; | |||
772 | if (set_fragblock(&label, i) == 1) | |||
773 | return; | |||
774 | shrunk = i; | |||
775 | } | |||
776 | } else { | |||
777 | fputs("Amount too big\n", stderr(&__sF[2])); | |||
778 | return; | |||
779 | } | |||
780 | prev = pp; | |||
781 | } | |||
782 | ||||
783 | if (shrunk != -1) | |||
784 | fprintf(stderr(&__sF[2]), "Partition %c shrunk to %llu sectors to make " | |||
785 | "room\n", 'a' + shrunk, | |||
786 | DL_GETPSIZE(&label.d_partitions[shrunk])(((u_int64_t)(&label.d_partitions[shrunk])->p_sizeh << 32) + (&label.d_partitions[shrunk])->p_size)); | |||
787 | *lp = label; | |||
788 | } | |||
789 | ||||
790 | /* | |||
791 | * Add a new partition. | |||
792 | */ | |||
793 | void | |||
794 | editor_add(struct disklabel *lp, const char *p) | |||
795 | { | |||
796 | struct partition *pp; | |||
797 | const struct diskchunk *chunk; | |||
798 | int partno; | |||
799 | u_int64_t new_offset, new_size; | |||
800 | ||||
801 | chunk = free_chunks(lp, -1); | |||
802 | new_size = new_offset = 0; | |||
803 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { | |||
804 | if (CHUNKSZ(chunk)((chunk)->stop - (chunk)->start) > new_size) { | |||
805 | new_size = CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); | |||
806 | new_offset = chunk->start; | |||
807 | } | |||
808 | } | |||
809 | ||||
810 | #ifdef SUN_CYLCHECK | |||
811 | if ((lp->d_flags & D_VENDOR0x08) && new_size < lp->d_secpercyl) { | |||
812 | fputs("No space left, you need to shrink a partition " | |||
813 | "(need at least one full cylinder)\n", | |||
814 | stderr(&__sF[2])); | |||
815 | return; | |||
816 | } | |||
817 | #endif | |||
818 | if (new_size == 0) { | |||
819 | fputs("No space left, you need to shrink a partition\n", | |||
820 | stderr(&__sF[2])); | |||
821 | return; | |||
822 | } | |||
823 | ||||
824 | if ((partno = getpartno(lp, p, "add")) == -1) | |||
825 | return; | |||
826 | pp = &lp->d_partitions[partno]; | |||
827 | memset(pp, 0, sizeof(*pp)); | |||
828 | ||||
829 | /* | |||
830 | * Increase d_npartitions if necessary. Ensure all new partitions are | |||
831 | * zero'ed to avoid inadvertent overlaps. | |||
832 | */ | |||
833 | for(; lp->d_npartitions <= partno; lp->d_npartitions++) | |||
834 | memset(&lp->d_partitions[lp->d_npartitions], 0, sizeof(*pp)); | |||
835 | ||||
836 | DL_SETPSIZE(pp, new_size)do { u_int64_t __x = (new_size); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
837 | DL_SETPOFFSET(pp, new_offset)do { u_int64_t __x = (new_offset); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
838 | pp->p_fstype = partno == 1 ? FS_SWAP1 : FS_BSDFFS7; | |||
839 | ||||
840 | if (get_offset(lp, partno) == 0 && | |||
841 | get_size(lp, partno) == 0 && | |||
842 | get_fstype(lp, partno) == 0 && | |||
843 | get_mp(lp, partno) == 0 && | |||
844 | set_fragblock(lp, partno) == 0) | |||
845 | return; | |||
846 | ||||
847 | /* Bailed out at some point, so effectively delete the partition. */ | |||
848 | memset(pp, 0, sizeof(*pp)); | |||
849 | } | |||
850 | ||||
851 | /* | |||
852 | * Set the mountpoint of an existing partition ('name'). | |||
853 | */ | |||
854 | void | |||
855 | editor_name(const struct disklabel *lp, const char *p) | |||
856 | { | |||
857 | int partno; | |||
858 | ||||
859 | if ((partno = getpartno(lp, p, "name")) == -1) | |||
860 | return; | |||
861 | ||||
862 | get_mp(lp, partno); | |||
863 | } | |||
864 | ||||
865 | /* | |||
866 | * Change an existing partition. | |||
867 | */ | |||
868 | void | |||
869 | editor_modify(struct disklabel *lp, const char *p) | |||
870 | { | |||
871 | struct partition opp, *pp; | |||
872 | int partno; | |||
873 | ||||
874 | if ((partno = getpartno(lp, p, "modify")) == -1) | |||
875 | return; | |||
876 | ||||
877 | pp = &lp->d_partitions[partno]; | |||
878 | opp = *pp; | |||
879 | ||||
880 | if (get_offset(lp, partno) == 0 && | |||
881 | get_size(lp, partno) == 0 && | |||
882 | get_fstype(lp, partno) == 0 && | |||
883 | get_mp(lp, partno) == 0 && | |||
884 | set_fragblock(lp, partno) == 0) | |||
885 | return; | |||
886 | ||||
887 | /* Bailed out at some point, so undo any changes. */ | |||
888 | *pp = opp; | |||
889 | } | |||
890 | ||||
891 | /* | |||
892 | * Delete an existing partition. | |||
893 | */ | |||
894 | void | |||
895 | editor_delete(struct disklabel *lp, const char *p) | |||
896 | { | |||
897 | struct partition *pp; | |||
898 | int partno; | |||
899 | ||||
900 | if ((partno = getpartno(lp, p, "delete")) == -1) | |||
901 | return; | |||
902 | if (partno == lp->d_npartitions) { | |||
903 | zero_partitions(lp); | |||
904 | return; | |||
905 | } | |||
906 | pp = &lp->d_partitions[partno]; | |||
907 | ||||
908 | /* Really delete it (as opposed to just setting to "unused") */ | |||
909 | memset(pp, 0, sizeof(*pp)); | |||
910 | free(mountpoints[partno]); | |||
911 | mountpoints[partno] = NULL((void *)0); | |||
912 | } | |||
913 | ||||
914 | /* | |||
915 | * Change the size of an existing partition. | |||
916 | */ | |||
917 | void | |||
918 | editor_change(struct disklabel *lp, const char *p) | |||
919 | { | |||
920 | struct partition *pp; | |||
921 | int partno; | |||
922 | ||||
923 | if ((partno = getpartno(lp, p, "change size")) == -1) | |||
924 | return; | |||
925 | ||||
926 | pp = &lp->d_partitions[partno]; | |||
927 | printf("Partition %c is currently %llu sectors in size, and can have " | |||
928 | "a maximum\nsize of %llu sectors.\n", | |||
929 | 'a' + partno, DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), max_partition_size(lp, partno)); | |||
930 | ||||
931 | /* Get new size */ | |||
932 | get_size(lp, partno); | |||
933 | } | |||
934 | ||||
935 | /* | |||
936 | * Sort the partitions based on starting offset. | |||
937 | * This assumes there can be no overlap. | |||
938 | */ | |||
939 | int | |||
940 | partition_cmp(const void *e1, const void *e2) | |||
941 | { | |||
942 | struct partition *p1 = *(struct partition **)e1; | |||
943 | struct partition *p2 = *(struct partition **)e2; | |||
944 | u_int64_t o1 = DL_GETPOFFSET(p1)(((u_int64_t)(p1)->p_offseth << 32) + (p1)->p_offset ); | |||
945 | u_int64_t o2 = DL_GETPOFFSET(p2)(((u_int64_t)(p2)->p_offseth << 32) + (p2)->p_offset ); | |||
946 | ||||
947 | if (o1 < o2) | |||
948 | return -1; | |||
949 | else if (o1 > o2) | |||
950 | return 1; | |||
951 | else | |||
952 | return 0; | |||
953 | } | |||
954 | ||||
955 | char * | |||
956 | getstring(const char *prompt, const char *helpstring, const char *oval) | |||
957 | { | |||
958 | static char buf[BUFSIZ1024]; | |||
959 | int n; | |||
960 | ||||
961 | buf[0] = '\0'; | |||
962 | do { | |||
963 | printf("%s: [%s] ", prompt, oval ? oval : ""); | |||
964 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { | |||
965 | buf[0] = '\0'; | |||
966 | if (feof(stdin)(!__isthreaded ? ((((&__sF[0]))->_flags & 0x0020) != 0) : (feof)((&__sF[0])))) { | |||
967 | clearerr(stdin)(!__isthreaded ? ((void)(((&__sF[0]))->_flags &= ~ (0x0040|0x0020))) : (clearerr)((&__sF[0]))); | |||
968 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
969 | fputs("Command aborted\n", stderr(&__sF[2])); | |||
970 | return NULL((void *)0); | |||
971 | } | |||
972 | } | |||
973 | n = strlen(buf); | |||
974 | if (n > 0 && buf[n-1] == '\n') | |||
975 | buf[--n] = '\0'; | |||
976 | if (buf[0] == '?') | |||
977 | puts(helpstring); | |||
978 | else if (oval != NULL((void *)0) && buf[0] == '\0') | |||
979 | strlcpy(buf, oval, sizeof(buf)); | |||
980 | } while (buf[0] == '?'); | |||
981 | ||||
982 | return &buf[0]; | |||
983 | } | |||
984 | ||||
985 | int | |||
986 | getpartno(const struct disklabel *lp, const char *p, const char *action) | |||
987 | { | |||
988 | char buf[2] = { '\0', '\0'}; | |||
989 | const char *promptfmt = "partition to %s"; | |||
990 | const char *helpfmt = "Partition must be between 'a' and '%c' " | |||
991 | "(excluding 'c')%s.\n"; | |||
992 | const struct partition *pp; | |||
993 | char *help = NULL((void *)0), *prompt = NULL((void *)0); | |||
994 | unsigned char maxpart; | |||
995 | unsigned int partno; | |||
996 | int add, delete, inuse; | |||
997 | ||||
998 | add = strcmp("add", action) == 0; | |||
999 | delete = strcmp("delete", action) == 0; | |||
1000 | maxpart = 'a' - 1 + (add ? MAXPARTITIONS16 : lp->d_npartitions); | |||
1001 | ||||
1002 | if (p == NULL((void *)0)) { | |||
1003 | if (asprintf(&prompt, promptfmt, action) == -1 || | |||
1004 | asprintf(&help, helpfmt, maxpart, delete ? ", or '*'" : "") | |||
1005 | == -1) { | |||
1006 | fprintf(stderr(&__sF[2]), "Unable to build prompt or help\n"); | |||
1007 | goto done; | |||
1008 | } | |||
1009 | if (add) { | |||
1010 | /* Default to first unused partition. */ | |||
1011 | for (partno = 0; partno < MAXPARTITIONS16; partno++) { | |||
1012 | if (partno == RAW_PART2) | |||
1013 | continue; | |||
1014 | pp = &lp->d_partitions[partno]; | |||
1015 | if (partno >= lp->d_npartitions || | |||
1016 | DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 || | |||
1017 | pp->p_fstype == FS_UNUSED0) { | |||
1018 | buf[0] = 'a' + partno; | |||
1019 | p = buf; | |||
1020 | break; | |||
1021 | } | |||
1022 | } | |||
1023 | } | |||
1024 | p = getstring(prompt, help, p); | |||
1025 | free(prompt); | |||
1026 | free(help); | |||
1027 | if (p == NULL((void *)0) || *p == '\0') | |||
1028 | goto done; | |||
1029 | } | |||
1030 | ||||
1031 | if (delete && strlen(p) == 1 && *p == '*') | |||
1032 | return lp->d_npartitions; | |||
1033 | ||||
1034 | if (strlen(p) > 1 || *p < 'a' || *p > maxpart || *p == 'c') { | |||
1035 | fprintf(stderr(&__sF[2]), helpfmt, maxpart, delete ? ", or '*'" : ""); | |||
1036 | goto done; | |||
1037 | } | |||
1038 | ||||
1039 | partno = *p - 'a'; | |||
1040 | pp = &lp->d_partitions[partno]; | |||
1041 | inuse = partno < lp->d_npartitions && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > 0 && | |||
1042 | pp->p_fstype != FS_UNUSED0; | |||
1043 | ||||
1044 | if ((add && !inuse) || (!add && inuse)) | |||
1045 | return partno; | |||
1046 | ||||
1047 | fprintf(stderr(&__sF[2]), "Partition '%c' is %sin use.\n", *p, | |||
1048 | inuse ? "" : "not "); | |||
1049 | ||||
1050 | done: | |||
1051 | return -1; | |||
1052 | } | |||
1053 | ||||
1054 | /* | |||
1055 | * Returns | |||
1056 | * 0 .. CMD_ABORTED - 1 ==> valid value | |||
1057 | * CMD_BADVALUE ==> invalid value | |||
1058 | * CMD_ABORTED ==> ^D on input | |||
1059 | */ | |||
1060 | u_int64_t | |||
1061 | getnumber(const char *prompt, const char *helpstring, u_int32_t oval, | |||
1062 | u_int32_t maxval) | |||
1063 | { | |||
1064 | char buf[BUFSIZ1024], *p; | |||
1065 | int rslt; | |||
1066 | long long rval; | |||
1067 | const char *errstr; | |||
1068 | ||||
1069 | rslt = snprintf(buf, sizeof(buf), "%u", oval); | |||
1070 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) | |||
1071 | return CMD_BADVALUE(0xffffffffffffffffULL); | |||
1072 | ||||
1073 | p = getstring(prompt, helpstring, buf); | |||
1074 | if (p == NULL((void *)0)) | |||
1075 | return CMD_ABORTED(0xffffffffffffffffULL - 1); | |||
1076 | if (strlen(p) == 0) | |||
1077 | return oval; | |||
1078 | ||||
1079 | rval = strtonum(p, 0, maxval, &errstr); | |||
1080 | if (errstr != NULL((void *)0)) { | |||
1081 | printf("%s must be between 0 and %u\n", prompt, maxval); | |||
1082 | return CMD_BADVALUE(0xffffffffffffffffULL); | |||
1083 | } | |||
1084 | ||||
1085 | return rval; | |||
1086 | } | |||
1087 | ||||
1088 | /* | |||
1089 | * Returns | |||
1090 | * 0 .. CMD_ABORTED - 1 ==> valid value | |||
1091 | * CMD_BADVALUE ==> invalid value | |||
1092 | * CMD_ABORTED ==> ^D on input | |||
1093 | */ | |||
1094 | u_int64_t | |||
1095 | getuint64(const struct disklabel *lp, char *prompt, char *helpstring, | |||
1096 | u_int64_t oval, u_int64_t maxval, int *flags) | |||
1097 | { | |||
1098 | char buf[21], *p, operator = '\0'; | |||
1099 | char *unit = NULL((void *)0); | |||
1100 | u_int64_t rval = oval; | |||
1101 | double d; | |||
1102 | int rslt; | |||
1103 | ||||
1104 | rslt = snprintf(buf, sizeof(buf), "%llu", oval); | |||
1105 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) | |||
1106 | goto invalid; | |||
1107 | ||||
1108 | p = getstring(prompt, helpstring, buf); | |||
1109 | if (p == NULL((void *)0)) | |||
1110 | return CMD_ABORTED(0xffffffffffffffffULL - 1); | |||
1111 | else if (p[0] == '\0') | |||
1112 | rval = oval; | |||
1113 | else if (p[0] == '*' && p[1] == '\0') | |||
1114 | rval = maxval; | |||
1115 | else { | |||
1116 | if (*p == '+' || *p == '-') | |||
1117 | operator = *p++; | |||
1118 | if (parse_sizespec(p, &d, &unit) == -1) | |||
1119 | goto invalid; | |||
1120 | if (unit == NULL((void *)0)) | |||
1121 | rval = d; | |||
1122 | else if (flags != NULL((void *)0) && (*flags & DO_CONVERSIONS0x00000001) == 0) | |||
1123 | goto invalid; | |||
1124 | else { | |||
1125 | switch (tolower((unsigned char)*unit)) { | |||
1126 | case 'b': | |||
1127 | rval = d / lp->d_secsize; | |||
1128 | break; | |||
1129 | case 'c': | |||
1130 | rval = d * lp->d_secpercyl; | |||
1131 | break; | |||
1132 | case '%': | |||
1133 | rval = DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) * (d / 100.0); | |||
1134 | break; | |||
1135 | case '&': | |||
1136 | rval = maxval * (d / 100.0); | |||
1137 | break; | |||
1138 | default: | |||
1139 | if (apply_unit(d, *unit, &rval) == -1) | |||
1140 | goto invalid; | |||
1141 | rval = DL_BLKTOSEC(lp, rval)((rval) / ((lp)->d_secsize / (1 << 9))); | |||
1142 | break; | |||
1143 | } | |||
1144 | } | |||
1145 | ||||
1146 | /* Range check then apply [+-] operator */ | |||
1147 | if (operator == '+') { | |||
1148 | if (CMD_ABORTED(0xffffffffffffffffULL - 1) - oval > rval) | |||
1149 | rval += oval; | |||
1150 | else { | |||
1151 | goto invalid; | |||
1152 | } | |||
1153 | } else if (operator == '-') { | |||
1154 | if (oval >= rval) | |||
1155 | rval = oval - rval; | |||
1156 | else { | |||
1157 | goto invalid; | |||
1158 | } | |||
1159 | } | |||
1160 | } | |||
1161 | ||||
1162 | if (flags != NULL((void *)0)) { | |||
1163 | if (unit != NULL((void *)0)) | |||
1164 | *flags |= DO_ROUNDING0x00000002; | |||
1165 | #ifdef SUN_CYLCHECK | |||
1166 | if (lp->d_flags & D_VENDOR0x08) | |||
1167 | *flags |= DO_ROUNDING0x00000002; | |||
1168 | #endif | |||
1169 | } | |||
1170 | return rval; | |||
1171 | ||||
1172 | invalid: | |||
1173 | fputs("Invalid entry\n", stderr(&__sF[2])); | |||
1174 | return CMD_BADVALUE(0xffffffffffffffffULL); | |||
1175 | } | |||
1176 | ||||
1177 | /* | |||
1178 | * Check for partition overlap in lp and prompt the user to resolve the overlap | |||
1179 | * if any is found. Returns 1 if unable to resolve, else 0. | |||
1180 | */ | |||
1181 | int | |||
1182 | has_overlap(struct disklabel *lp) | |||
1183 | { | |||
1184 | const struct partition **spp; | |||
1185 | int i, p1, p2; | |||
1186 | char *line = NULL((void *)0); | |||
1187 | size_t linesize = 0; | |||
1188 | ssize_t linelen; | |||
1189 | ||||
1190 | for (;;) { | |||
1191 | spp = sort_partitions(lp, -1); | |||
1192 | for (i = 0; spp[i+1] != NULL((void *)0); i++) { | |||
1193 | if (DL_GETPOFFSET(spp[i])(((u_int64_t)(spp[i])->p_offseth << 32) + (spp[i])-> p_offset) + DL_GETPSIZE(spp[i])(((u_int64_t)(spp[i])->p_sizeh << 32) + (spp[i])-> p_size) > | |||
1194 | DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset)) | |||
1195 | break; | |||
1196 | } | |||
1197 | if (spp[i+1] == NULL((void *)0)) { | |||
1198 | free(line); | |||
1199 | return 0; | |||
1200 | } | |||
1201 | ||||
1202 | p1 = 'a' + (spp[i] - lp->d_partitions); | |||
1203 | p2 = 'a' + (spp[i+1] - lp->d_partitions); | |||
1204 | printf("\nError, partitions %c and %c overlap:\n", p1, p2); | |||
1205 | printf("# %16.16s %16.16s fstype [fsize bsize cpg]\n", | |||
1206 | "size", "offset"); | |||
1207 | display_partition(stdout(&__sF[1]), lp, p1 - 'a', 0); | |||
1208 | display_partition(stdout(&__sF[1]), lp, p2 - 'a', 0); | |||
1209 | ||||
1210 | for (;;) { | |||
1211 | printf("Disable which one? (%c %c) ", p1, p2); | |||
1212 | linelen = getline(&line, &linesize, stdin(&__sF[0])); | |||
1213 | if (linelen == -1) | |||
1214 | goto done; | |||
1215 | if (linelen == 2 && (line[0] == p1 || line[0] == p2)) | |||
1216 | break; | |||
1217 | } | |||
1218 | lp->d_partitions[line[0] - 'a'].p_fstype = FS_UNUSED0; | |||
1219 | } | |||
1220 | ||||
1221 | done: | |||
1222 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1223 | free(line); | |||
1224 | return 1; | |||
1225 | } | |||
1226 | ||||
1227 | void | |||
1228 | edit_packname(struct disklabel *lp) | |||
1229 | { | |||
1230 | char *p; | |||
1231 | struct disklabel oldlabel = *lp; | |||
1232 | ||||
1233 | printf("Changing label description for %s:\n", specname); | |||
1234 | ||||
1235 | /* pack/label id */ | |||
1236 | p = getstring("label name", | |||
1237 | "15 char string that describes this label, usually the disk name.", | |||
1238 | lp->d_packname); | |||
1239 | if (p == NULL((void *)0)) { | |||
1240 | *lp = oldlabel; /* undo damage */ | |||
1241 | return; | |||
1242 | } | |||
1243 | strncpy(lp->d_packname, p, sizeof(lp->d_packname)); /* checked */ | |||
1244 | } | |||
1245 | ||||
1246 | const struct partition ** | |||
1247 | sort_partitions(const struct disklabel *lp, int ignore) | |||
1248 | { | |||
1249 | const static struct partition *spp[MAXPARTITIONS16+2]; | |||
1250 | int i, npartitions; | |||
1251 | ||||
1252 | memset(spp, 0, sizeof(spp)); | |||
1253 | ||||
1254 | for (npartitions = 0, i = 0; i < lp->d_npartitions; i++) { | |||
1255 | if (i != ignore && lp->d_partitions[i].p_fstype != FS_UNUSED0 && | |||
1256 | DL_GETPSIZE(&lp->d_partitions[i])(((u_int64_t)(&lp->d_partitions[i])->p_sizeh << 32) + (&lp->d_partitions[i])->p_size) != 0) | |||
1257 | spp[npartitions++] = &lp->d_partitions[i]; | |||
1258 | } | |||
1259 | ||||
1260 | /* | |||
1261 | * Sort the partitions based on starting offset. | |||
1262 | * This is safe because we guarantee no overlap. | |||
1263 | */ | |||
1264 | if (npartitions > 1) | |||
1265 | if (mergesort((void *)spp, npartitions, sizeof(spp[0]), | |||
1266 | partition_cmp)) | |||
1267 | err(4, "failed to sort partition table"); | |||
1268 | ||||
1269 | return spp; | |||
1270 | } | |||
1271 | ||||
1272 | /* | |||
1273 | * Get beginning and ending sectors of the OpenBSD portion of the disk | |||
1274 | * from the user. | |||
1275 | */ | |||
1276 | void | |||
1277 | set_bounds(struct disklabel *lp) | |||
1278 | { | |||
1279 | u_int64_t ui, start_temp; | |||
1280 | ||||
1281 | /* Starting sector */ | |||
1282 | for (;;) { | |||
1283 | ui = getuint64(lp, "Starting sector", | |||
1284 | "The start of the OpenBSD portion of the disk.", | |||
1285 | starting_sector, DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ), NULL((void *)0)); | |||
1286 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) | |||
1287 | return; | |||
1288 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
1289 | ; /* Try again. */ | |||
1290 | else if (ui >= DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )) | |||
1291 | fprintf(stderr(&__sF[2]), "starting sector must be < %llu\n", | |||
1292 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )); | |||
1293 | else | |||
1294 | break; | |||
1295 | } | |||
1296 | start_temp = ui; | |||
1297 | ||||
1298 | /* Size */ | |||
1299 | for (;;) { | |||
1300 | ui = getuint64(lp, "Size ('*' for entire disk)", | |||
1301 | "The size of the OpenBSD portion of the disk ('*' for the " | |||
1302 | "entire disk).", ending_sector - starting_sector, | |||
1303 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp, NULL((void *)0)); | |||
1304 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) | |||
1305 | return; | |||
1306 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
1307 | ; /* Try again. */ | |||
1308 | else if (ui > DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp) | |||
1309 | fprintf(stderr(&__sF[2]), "size must be <= %llu\n", | |||
1310 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp); | |||
1311 | else | |||
1312 | break; | |||
1313 | } | |||
1314 | ending_sector = start_temp + ui; | |||
1315 | DL_SETBEND(lp, ending_sector)do { u_int64_t __x = (ending_sector); (lp)->d_bendh = __x >> 32; (lp)->d_bend = __x; } while (0); | |||
1316 | starting_sector = start_temp; | |||
1317 | DL_SETBSTART(lp, starting_sector)do { u_int64_t __x = (starting_sector); (lp)->d_bstarth = __x >> 32; (lp)->d_bstart = __x; } while (0); | |||
1318 | } | |||
1319 | ||||
1320 | /* | |||
1321 | * Allow user to interactively change disklabel UID. | |||
1322 | */ | |||
1323 | void | |||
1324 | set_duid(struct disklabel *lp) | |||
1325 | { | |||
1326 | char *s; | |||
1327 | int i; | |||
1328 | ||||
1329 | printf("The disklabel UID is currently: " | |||
1330 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx\n", | |||
1331 | lp->d_uid[0], lp->d_uid[1], lp->d_uid[2], lp->d_uid[3], | |||
1332 | lp->d_uid[4], lp->d_uid[5], lp->d_uid[6], lp->d_uid[7]); | |||
1333 | ||||
1334 | do { | |||
1335 | s = getstring("duid", "The disklabel UID, given as a 16 " | |||
1336 | "character hexadecimal string.", NULL((void *)0)); | |||
1337 | if (s == NULL((void *)0) || strlen(s) == 0) { | |||
1338 | fputs("Command aborted\n", stderr(&__sF[2])); | |||
1339 | return; | |||
1340 | } | |||
1341 | i = duid_parse(lp, s); | |||
1342 | if (i != 0) | |||
1343 | fputs("Invalid UID entered.\n", stderr(&__sF[2])); | |||
1344 | } while (i != 0); | |||
1345 | } | |||
1346 | ||||
1347 | /* | |||
1348 | * Return a list of the "chunks" of free space available | |||
1349 | */ | |||
1350 | const struct diskchunk * | |||
1351 | free_chunks(const struct disklabel *lp, int partno) | |||
1352 | { | |||
1353 | const struct partition **spp; | |||
1354 | static struct diskchunk chunks[MAXPARTITIONS16 + 2]; | |||
1355 | u_int64_t start, stop; | |||
1356 | int i, numchunks; | |||
1357 | ||||
1358 | /* Sort the in-use partitions based on offset */ | |||
1359 | spp = sort_partitions(lp, partno); | |||
1360 | ||||
1361 | /* If there are no partitions, it's all free. */ | |||
1362 | if (spp[0] == NULL((void *)0)) { | |||
1363 | chunks[0].start = starting_sector; | |||
1364 | chunks[0].stop = ending_sector; | |||
1365 | chunks[1].start = chunks[1].stop = 0; | |||
1366 | return chunks; | |||
1367 | } | |||
1368 | ||||
1369 | /* Find chunks of free space */ | |||
1370 | numchunks = 0; | |||
1371 | if (DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset) > starting_sector) { | |||
1372 | chunks[0].start = starting_sector; | |||
1373 | chunks[0].stop = DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset); | |||
1374 | numchunks++; | |||
1375 | } | |||
1376 | for (i = 0; spp[i] != NULL((void *)0); i++) { | |||
1377 | start = DL_GETPOFFSET(spp[i])(((u_int64_t)(spp[i])->p_offseth << 32) + (spp[i])-> p_offset) + DL_GETPSIZE(spp[i])(((u_int64_t)(spp[i])->p_sizeh << 32) + (spp[i])-> p_size); | |||
1378 | if (start < starting_sector) | |||
1379 | start = starting_sector; | |||
1380 | else if (start > ending_sector) | |||
1381 | start = ending_sector; | |||
1382 | if (spp[i + 1] != NULL((void *)0)) | |||
1383 | stop = DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset); | |||
1384 | else | |||
1385 | stop = ending_sector; | |||
1386 | if (stop < starting_sector) | |||
1387 | stop = starting_sector; | |||
1388 | else if (stop > ending_sector) | |||
1389 | stop = ending_sector; | |||
1390 | if (start < stop) { | |||
1391 | chunks[numchunks].start = start; | |||
1392 | chunks[numchunks].stop = stop; | |||
1393 | numchunks++; | |||
1394 | } | |||
1395 | } | |||
1396 | ||||
1397 | /* Terminate and return */ | |||
1398 | chunks[numchunks].start = chunks[numchunks].stop = 0; | |||
1399 | return chunks; | |||
1400 | } | |||
1401 | ||||
1402 | void | |||
1403 | find_bounds(const struct disklabel *lp) | |||
1404 | { | |||
1405 | starting_sector = DL_GETBSTART(lp)(((u_int64_t)(lp)->d_bstarth << 32) + (lp)->d_bstart ); | |||
1406 | ending_sector = DL_GETBEND(lp)(((u_int64_t)(lp)->d_bendh << 32) + (lp)->d_bend); | |||
1407 | ||||
1408 | if (ending_sector) { | |||
1409 | if (verbose) | |||
1410 | printf("Treating sectors %llu-%llu as the OpenBSD" | |||
1411 | " portion of the disk.\nYou can use the 'b'" | |||
1412 | " command to change this.\n\n", starting_sector, | |||
1413 | ending_sector); | |||
1414 | } | |||
1415 | } | |||
1416 | ||||
1417 | /* | |||
1418 | * Calculate free space. | |||
1419 | */ | |||
1420 | u_int64_t | |||
1421 | editor_countfree(const struct disklabel *lp) | |||
1422 | { | |||
1423 | const struct diskchunk *chunk; | |||
1424 | u_int64_t freesectors = 0; | |||
1425 | ||||
1426 | chunk = free_chunks(lp, -1); | |||
1427 | ||||
1428 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) | |||
1429 | freesectors += CHUNKSZ(chunk)((chunk)->stop - (chunk)->start); | |||
1430 | ||||
1431 | return freesectors; | |||
1432 | } | |||
1433 | ||||
1434 | void | |||
1435 | editor_help(void) | |||
1436 | { | |||
1437 | puts("Available commands:"); | |||
1438 | puts( | |||
1439 | " ? | h - show help n [part] - set mount point\n" | |||
1440 | " A - auto partition all space p [unit] - print partitions\n" | |||
1441 | " a [part] - add partition q - quit & save changes\n" | |||
1442 | " b - set OpenBSD boundaries R [part] - resize auto allocated partition\n" | |||
1443 | " c [part] - change partition size r - display free space\n" | |||
1444 | " D - reset label to default s [path] - save label to file\n" | |||
1445 | " d [part] - delete partition U - undo all changes\n" | |||
1446 | " e - edit label description u - undo last change\n" | |||
1447 | " i - modify disklabel UID w - write label to disk\n" | |||
1448 | " l [unit] - print disk label header x - exit & lose changes\n" | |||
1449 | " M - disklabel(8) man page z - delete all partitions\n" | |||
1450 | " m [part] - modify partition\n" | |||
1451 | "\n" | |||
1452 | "Suffixes can be used to indicate units other than sectors:\n" | |||
1453 | " 'b' (bytes), 'k' (kilobytes), 'm' (megabytes), 'g' (gigabytes) 't' (terabytes)\n" | |||
1454 | " 'c' (cylinders), '%' (% of total disk), '&' (% of free space).\n" | |||
1455 | "Values in non-sector units are truncated to the nearest cylinder boundary."); | |||
1456 | ||||
1457 | } | |||
1458 | ||||
1459 | void | |||
1460 | mpcopy(char **to, char **from) | |||
1461 | { | |||
1462 | int i; | |||
1463 | ||||
1464 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1465 | free(to[i]); | |||
1466 | to[i] = NULL((void *)0); | |||
1467 | if (from[i] != NULL((void *)0)) { | |||
1468 | to[i] = strdup(from[i]); | |||
1469 | if (to[i] == NULL((void *)0)) | |||
1470 | err(1, NULL((void *)0)); | |||
1471 | } | |||
1472 | } | |||
1473 | } | |||
1474 | ||||
1475 | int | |||
1476 | mpequal(char **mp1, char **mp2) | |||
1477 | { | |||
1478 | int i; | |||
1479 | ||||
1480 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1481 | if (mp1[i] == NULL((void *)0) && mp2[i] == NULL((void *)0)) | |||
1482 | continue; | |||
1483 | ||||
1484 | if ((mp1[i] != NULL((void *)0) && mp2[i] == NULL((void *)0)) || | |||
1485 | (mp1[i] == NULL((void *)0) && mp2[i] != NULL((void *)0)) || | |||
1486 | (strcmp(mp1[i], mp2[i]) != 0)) | |||
1487 | return 0; | |||
1488 | } | |||
1489 | return 1; | |||
1490 | } | |||
1491 | ||||
1492 | void | |||
1493 | mpsave(const struct disklabel *lp) | |||
1494 | { | |||
1495 | int i, j; | |||
1496 | char bdev[PATH_MAX1024], *p; | |||
1497 | struct mountinfo mi[MAXPARTITIONS16]; | |||
1498 | FILE *fp; | |||
1499 | u_int8_t fstype; | |||
1500 | ||||
1501 | if (!fstabfile) | |||
1502 | return; | |||
1503 | ||||
1504 | memset(&mi, 0, sizeof(mi)); | |||
1505 | ||||
1506 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1507 | fstype = lp->d_partitions[i].p_fstype; | |||
1508 | if (mountpoints[i] != NULL((void *)0) || fstype == FS_SWAP1) { | |||
1509 | mi[i].mountpoint = mountpoints[i]; | |||
1510 | mi[i].partno = i; | |||
1511 | } | |||
1512 | } | |||
1513 | ||||
1514 | /* Convert specname to bdev */ | |||
1515 | if (uidflag) { | |||
1516 | snprintf(bdev, sizeof(bdev), | |||
1517 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx.%c", | |||
1518 | lab.d_uid[0], lab.d_uid[1], lab.d_uid[2], lab.d_uid[3], | |||
1519 | lab.d_uid[4], lab.d_uid[5], lab.d_uid[6], lab.d_uid[7], | |||
1520 | specname[strlen(specname)-1]); | |||
1521 | } else if (strncmp(_PATH_DEV"/dev/", specname, sizeof(_PATH_DEV"/dev/") - 1) == 0 && | |||
1522 | specname[sizeof(_PATH_DEV"/dev/") - 1] == 'r') { | |||
1523 | snprintf(bdev, sizeof(bdev), "%s%s", _PATH_DEV"/dev/", | |||
1524 | &specname[sizeof(_PATH_DEV"/dev/")]); | |||
1525 | } else { | |||
1526 | if ((p = strrchr(specname, '/')) == NULL((void *)0) || *(++p) != 'r') | |||
1527 | return; | |||
1528 | *p = '\0'; | |||
1529 | snprintf(bdev, sizeof(bdev), "%s%s", specname, p + 1); | |||
1530 | *p = 'r'; | |||
1531 | } | |||
1532 | bdev[strlen(bdev) - 1] = '\0'; | |||
1533 | ||||
1534 | /* Sort mountpoints so we don't try to mount /usr/local before /usr */ | |||
1535 | qsort((void *)mi, MAXPARTITIONS16, sizeof(struct mountinfo), micmp); | |||
1536 | ||||
1537 | if ((fp = fopen(fstabfile, "w"))) { | |||
1538 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1539 | j = mi[i].partno; | |||
1540 | fstype = lp->d_partitions[j].p_fstype; | |||
1541 | if (fstype == FS_RAID19) | |||
1542 | continue; | |||
1543 | if (fstype == FS_SWAP1) { | |||
1544 | fprintf(fp, "%s%c none swap sw\n", bdev, 'a'+j); | |||
1545 | } else if (mi[i].mountpoint) { | |||
1546 | fprintf(fp, "%s%c %s %s rw 1 %d\n", bdev, | |||
1547 | 'a' + j, mi[i].mountpoint, | |||
1548 | fstypesnames[fstype], j == 0 ? 1 : 2); | |||
1549 | } | |||
1550 | } | |||
1551 | fclose(fp); | |||
1552 | } | |||
1553 | } | |||
1554 | ||||
1555 | void | |||
1556 | mpfree(char **mp, int action) | |||
1557 | { | |||
1558 | int part; | |||
1559 | ||||
1560 | if (mp == NULL((void *)0)) | |||
1561 | return; | |||
1562 | ||||
1563 | for (part = 0; part < MAXPARTITIONS16; part++) { | |||
1564 | free(mp[part]); | |||
1565 | mp[part] = NULL((void *)0); | |||
1566 | } | |||
1567 | ||||
1568 | if (action == DISCARD0) { | |||
1569 | free(mp); | |||
1570 | mp = NULL((void *)0); | |||
1571 | } | |||
1572 | } | |||
1573 | ||||
1574 | int | |||
1575 | get_offset(struct disklabel *lp, int partno) | |||
1576 | { | |||
1577 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
1578 | u_int64_t ui, offsetalign; | |||
1579 | int flags; | |||
1580 | ||||
1581 | flags = DO_CONVERSIONS0x00000001; | |||
1582 | ui = getuint64(lp, "offset", | |||
1583 | "Starting sector for this partition.", | |||
1584 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), | |||
1585 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), &flags); | |||
1586 | ||||
1587 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1) || ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
1588 | return 1; | |||
1589 | #ifdef SUN_AAT0 | |||
1590 | if (partno == 0 && ui != 0) { | |||
1591 | fprintf(stderr(&__sF[2]), "This architecture requires that " | |||
1592 | "partition 'a' start at sector 0.\n"); | |||
1593 | return 1; | |||
1594 | } | |||
1595 | #endif | |||
1596 | opp = *pp; | |||
1597 | DL_SETPOFFSET(pp, ui)do { u_int64_t __x = (ui); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); | |||
1598 | offsetalign = 1; | |||
1599 | if ((flags & DO_ROUNDING0x00000002) != 0 && pp->p_fstype == FS_BSDFFS7) | |||
1600 | offsetalign = lp->d_secpercyl; | |||
1601 | ||||
1602 | if (alignpartition(lp, partno, offsetalign, 1, ROUND_OFFSET_UP0x00000001) == 1) { | |||
1603 | *pp = opp; | |||
1604 | return 1; | |||
1605 | } | |||
1606 | ||||
1607 | return 0; | |||
1608 | } | |||
1609 | ||||
1610 | int | |||
1611 | get_size(struct disklabel *lp, int partno) | |||
1612 | { | |||
1613 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
1614 | u_int64_t maxsize, ui, sizealign; | |||
1615 | int flags; | |||
1616 | ||||
1617 | maxsize = max_partition_size(lp, partno); | |||
1618 | flags = DO_CONVERSIONS0x00000001; | |||
1619 | ui = getuint64(lp, "size", "Size of the partition. " | |||
1620 | "You may also say +/- amount for a relative change.", | |||
1621 | DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), maxsize, &flags); | |||
1622 | ||||
1623 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1) || ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
1624 | return 1; | |||
1625 | ||||
1626 | opp = *pp; | |||
1627 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); | |||
1628 | sizealign = 1; | |||
1629 | if ((flags & DO_ROUNDING0x00000002) != 0 && (pp->p_fstype == FS_SWAP1 || | |||
1630 | pp->p_fstype == FS_BSDFFS7)) | |||
1631 | sizealign = lp->d_secpercyl; | |||
1632 | ||||
1633 | if (alignpartition(lp, partno, 1, sizealign, ROUND_SIZE_UP0x00000004) == 1) { | |||
1634 | *pp = opp; | |||
1635 | return 1; | |||
1636 | } | |||
1637 | ||||
1638 | return 0; | |||
1639 | } | |||
1640 | ||||
1641 | int | |||
1642 | set_fragblock(struct disklabel *lp, int partno) | |||
1643 | { | |||
1644 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
1645 | u_int64_t bytes, offsetalign, sizealign; | |||
1646 | u_int32_t frag, fsize; | |||
1647 | ||||
1648 | if (pp->p_fstype != FS_BSDFFS7) | |||
1649 | return 0; | |||
1650 | ||||
1651 | if (pp->p_cpg == 0) | |||
1652 | pp->p_cpg = 1; | |||
1653 | ||||
1654 | fsize = DISKLABELV1_FFS_FSIZE(pp->p_fragblock)(((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) == 0 ? 0 : (((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock) >> 3) + 12))) / ((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))))); | |||
1655 | frag = DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))); | |||
1656 | if (fsize == 0) { | |||
1657 | fsize = 2048; | |||
1658 | frag = 8; | |||
1659 | bytes = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) * lp->d_secsize; | |||
1660 | if (bytes > 128ULL * 1024 * 1024 * 1024) | |||
1661 | fsize *= 2; | |||
1662 | if (bytes > 512ULL * 1024 * 1024 * 1024) | |||
1663 | fsize *= 2; | |||
1664 | if (fsize < lp->d_secsize) | |||
1665 | fsize = lp->d_secsize; | |||
1666 | if (fsize > MAXBSIZE(64 * 1024) / frag) | |||
1667 | fsize = MAXBSIZE(64 * 1024) / frag; | |||
1668 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(fsize, frag)((fsize) * (frag) == 0 ? 0 : (((ffs((fsize) * (frag)) - 13) << 3) | (ffs(frag)))); | |||
1669 | } | |||
1670 | #ifdef SUN_CYLCHECK | |||
1671 | return 0; | |||
1672 | #endif | |||
1673 | opp = *pp; | |||
1674 | sizealign = (DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) * | |||
1675 | DISKLABELV1_FFS_FSIZE(pp->p_fragblock)(((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) == 0 ? 0 : (((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock) >> 3) + 12))) / ((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1)))))) / lp->d_secsize; | |||
1676 | offsetalign = 1; | |||
1677 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) != starting_sector) | |||
1678 | offsetalign = sizealign; | |||
1679 | ||||
1680 | if (alignpartition(lp, partno, offsetalign, sizealign, ROUND_OFFSET_UP0x00000001 | | |||
1681 | ROUND_SIZE_DOWN0x00000008 | ROUND_SIZE_OVERLAP0x00000010) == 1) { | |||
1682 | *pp = opp; | |||
1683 | return 1; | |||
1684 | } | |||
1685 | ||||
1686 | return 0; | |||
1687 | } | |||
1688 | ||||
1689 | int | |||
1690 | get_fstype(struct disklabel *lp, int partno) | |||
1691 | { | |||
1692 | char *p; | |||
1693 | u_int64_t ui; | |||
1694 | struct partition *pp = &lp->d_partitions[partno]; | |||
1695 | ||||
1696 | if (pp->p_fstype < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { | |||
1697 | p = getstring("FS type", | |||
1698 | "Filesystem type (usually 4.2BSD or swap)", | |||
1699 | fstypenames[pp->p_fstype]); | |||
1700 | if (p == NULL((void *)0)) { | |||
1701 | return 1; | |||
1702 | } | |||
1703 | for (ui = 0; ui < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1); ui++) { | |||
1704 | if (!strcasecmp(p, fstypenames[ui])) { | |||
1705 | pp->p_fstype = ui; | |||
1706 | break; | |||
1707 | } | |||
1708 | } | |||
1709 | if (ui >= FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { | |||
1710 | printf("Unrecognized filesystem type '%s', treating " | |||
1711 | "as 'unknown'\n", p); | |||
1712 | pp->p_fstype = FS_OTHER10; | |||
1713 | } | |||
1714 | } else { | |||
1715 | for (;;) { | |||
1716 | ui = getnumber("FS type (decimal)", | |||
1717 | "Filesystem type as a decimal number; usually 7 " | |||
1718 | "(4.2BSD) or 1 (swap).", | |||
1719 | pp->p_fstype, UINT8_MAX0xff); | |||
1720 | if (ui == CMD_ABORTED(0xffffffffffffffffULL - 1)) | |||
1721 | return 1; | |||
1722 | else if (ui == CMD_BADVALUE(0xffffffffffffffffULL)) | |||
1723 | ; /* Try again. */ | |||
1724 | else | |||
1725 | break; | |||
1726 | } | |||
1727 | pp->p_fstype = ui; | |||
1728 | } | |||
1729 | return 0; | |||
1730 | } | |||
1731 | ||||
1732 | int | |||
1733 | get_mp(const struct disklabel *lp, int partno) | |||
1734 | { | |||
1735 | const struct partition *pp = &lp->d_partitions[partno]; | |||
1736 | char *p; | |||
1737 | int i; | |||
1738 | ||||
1739 | if (fstabfile == NULL((void *)0) || | |||
1740 | pp->p_fstype == FS_UNUSED0 || | |||
1741 | pp->p_fstype == FS_SWAP1 || | |||
1742 | pp->p_fstype == FS_BOOT13 || | |||
1743 | pp->p_fstype == FS_OTHER10 || | |||
1744 | pp->p_fstype == FS_RAID19) { | |||
1745 | /* No fstabfile, no names. Not all fstypes can be named */ | |||
1746 | return 0; | |||
1747 | } | |||
1748 | ||||
1749 | for (;;) { | |||
1750 | p = getstring("mount point", | |||
1751 | "Where to mount this filesystem (ie: / /var /usr)", | |||
1752 | mountpoints[partno] ? mountpoints[partno] : "none"); | |||
1753 | if (p == NULL((void *)0)) | |||
1754 | return 1; | |||
1755 | if (strcasecmp(p, "none") == 0) { | |||
1756 | free(mountpoints[partno]); | |||
1757 | mountpoints[partno] = NULL((void *)0); | |||
1758 | break; | |||
1759 | } | |||
1760 | for (i = 0; i < MAXPARTITIONS16; i++) | |||
1761 | if (mountpoints[i] != NULL((void *)0) && i != partno && | |||
1762 | strcmp(p, mountpoints[i]) == 0) | |||
1763 | break; | |||
1764 | if (i < MAXPARTITIONS16) { | |||
1765 | fprintf(stderr(&__sF[2]), "'%c' already being mounted at " | |||
1766 | "'%s'\n", 'a'+i, p); | |||
1767 | break; | |||
1768 | } | |||
1769 | if (*p == '/') { | |||
1770 | /* XXX - might as well realloc */ | |||
1771 | free(mountpoints[partno]); | |||
1772 | if ((mountpoints[partno] = strdup(p)) == NULL((void *)0)) | |||
1773 | err(1, NULL((void *)0)); | |||
1774 | break; | |||
1775 | } | |||
1776 | fputs("Mount points must start with '/'\n", stderr(&__sF[2])); | |||
1777 | } | |||
1778 | ||||
1779 | return 0; | |||
1780 | } | |||
1781 | ||||
1782 | int | |||
1783 | micmp(const void *a1, const void *a2) | |||
1784 | { | |||
1785 | struct mountinfo *mi1 = (struct mountinfo *)a1; | |||
1786 | struct mountinfo *mi2 = (struct mountinfo *)a2; | |||
1787 | ||||
1788 | /* We want all the NULLs at the end... */ | |||
1789 | if (mi1->mountpoint == NULL((void *)0) && mi2->mountpoint == NULL((void *)0)) | |||
1790 | return 0; | |||
1791 | else if (mi1->mountpoint == NULL((void *)0)) | |||
1792 | return 1; | |||
1793 | else if (mi2->mountpoint == NULL((void *)0)) | |||
1794 | return -1; | |||
1795 | else | |||
1796 | return strcmp(mi1->mountpoint, mi2->mountpoint); | |||
1797 | } | |||
1798 | ||||
1799 | void | |||
1800 | zero_partitions(struct disklabel *lp) | |||
1801 | { | |||
1802 | memset(lp->d_partitions, 0, sizeof(lp->d_partitions)); | |||
1803 | DL_SETPSIZE(&lp->d_partitions[RAW_PART], DL_GETDSIZE(lp))do { u_int64_t __x = ((((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit)); (&lp->d_partitions[2]) ->p_sizeh = __x >> 32; (&lp->d_partitions[2]) ->p_size = __x; } while (0); | |||
1804 | ||||
1805 | mpfree(mountpoints, KEEP1); | |||
1806 | } | |||
1807 | ||||
1808 | u_int64_t | |||
1809 | max_partition_size(const struct disklabel *lp, int partno) | |||
1810 | { | |||
1811 | const struct diskchunk *chunk; | |||
1812 | u_int64_t maxsize = 0, offset; | |||
1813 | ||||
1814 | chunk = free_chunks(lp, partno); | |||
1815 | ||||
1816 | offset = DL_GETPOFFSET(&lp->d_partitions[partno])(((u_int64_t)(&lp->d_partitions[partno])->p_offseth << 32) + (&lp->d_partitions[partno])->p_offset ); | |||
1817 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { | |||
1818 | if (offset < chunk->start || offset >= chunk->stop) | |||
1819 | continue; | |||
1820 | maxsize = chunk->stop - offset; | |||
1821 | break; | |||
1822 | } | |||
1823 | return maxsize; | |||
1824 | } | |||
1825 | ||||
1826 | void | |||
1827 | psize(u_int64_t sz, char unit, const struct disklabel *lp) | |||
1828 | { | |||
1829 | double d = scale(sz, unit, lp); | |||
1830 | if (d < 0) | |||
1831 | printf("%llu", sz); | |||
1832 | else | |||
1833 | printf("%.*f%c", unit == 'B' ? 0 : 1, d, unit); | |||
1834 | } | |||
1835 | ||||
1836 | void | |||
1837 | display_edit(const struct disklabel *lp, char unit) | |||
1838 | { | |||
1839 | u_int64_t fr; | |||
1840 | int i; | |||
1841 | ||||
1842 | fr = editor_countfree(lp); | |||
1843 | unit = canonical_unit(lp, unit); | |||
1844 | ||||
1845 | printf("OpenBSD area: "); | |||
1846 | psize(starting_sector, 0, lp); | |||
1847 | printf("-"); | |||
1848 | psize(ending_sector, 0, lp); | |||
1849 | printf("; size: "); | |||
1850 | psize(ending_sector - starting_sector, unit, lp); | |||
1851 | printf("; free: "); | |||
1852 | psize(fr, unit, lp); | |||
1853 | ||||
1854 | printf("\n# %16.16s %16.16s fstype [fsize bsize cpg]\n", | |||
1855 | "size", "offset"); | |||
1856 | for (i = 0; i < lp->d_npartitions; i++) | |||
1857 | display_partition(stdout(&__sF[1]), lp, i, unit); | |||
1858 | } | |||
1859 | ||||
1860 | void | |||
1861 | parse_autotable(char *filename) | |||
1862 | { | |||
1863 | FILE *cfile; | |||
1864 | size_t linesize = 0; | |||
1865 | char *line = NULL((void *)0), *buf, *t; | |||
1866 | uint idx = 0, pctsum = 0; | |||
1867 | struct space_allocation *sa; | |||
1868 | ||||
1869 | if (strcmp(filename, "-") == 0) | |||
| ||||
1870 | cfile = stdin(&__sF[0]); | |||
1871 | else if ((cfile = fopen(filename, "r")) == NULL((void *)0)) | |||
1872 | err(1, "%s", filename); | |||
1873 | if ((alloc_table = calloc(1, sizeof(struct alloc_table))) == NULL((void *)0)) | |||
1874 | err(1, NULL((void *)0)); | |||
1875 | alloc_table_nitems = 1; | |||
1876 | ||||
1877 | while (getline(&line, &linesize, cfile) != -1) { | |||
1878 | if ((alloc_table[0].table = reallocarray(alloc_table[0].table, | |||
1879 | idx + 1, sizeof(*sa))) == NULL((void *)0)) | |||
1880 | err(1, NULL((void *)0)); | |||
1881 | sa = &(alloc_table[0].table[idx]); | |||
1882 | memset(sa, 0, sizeof(*sa)); | |||
1883 | idx++; | |||
1884 | ||||
1885 | buf = line; | |||
1886 | if ((sa->mp = get_token(&buf)) == NULL((void *)0) || | |||
1887 | (sa->mp[0] != '/' && strcasecmp(sa->mp, "swap") && | |||
1888 | strcasecmp(sa->mp, "raid"))) | |||
1889 | errx(1, "%s: parse error on line %u", filename, idx); | |||
1890 | if ((t = get_token(&buf)) == NULL((void *)0) || | |||
1891 | parse_sizerange(t, &sa->minsz, &sa->maxsz) == -1) | |||
1892 | errx(1, "%s: parse error on line %u", filename, idx); | |||
1893 | if ((t = get_token(&buf)) != NULL((void *)0) && | |||
1894 | parse_pct(t, &sa->rate) == -1) | |||
1895 | errx(1, "%s: parse error on line %u", filename, idx); | |||
1896 | if (sa->minsz > sa->maxsz) | |||
1897 | errx(1, "%s: min size > max size on line %u", filename, | |||
1898 | idx); | |||
1899 | pctsum += sa->rate; | |||
1900 | } | |||
1901 | if (pctsum > 100) | |||
1902 | errx(1, "%s: sum of extra space allocation > 100%%", filename); | |||
1903 | alloc_table[0].sz = idx; | |||
1904 | free(line); | |||
1905 | fclose(cfile); | |||
1906 | } | |||
1907 | ||||
1908 | char * | |||
1909 | get_token(char **s) | |||
1910 | { | |||
1911 | char *p, *r; | |||
1912 | size_t tlen = 0; | |||
1913 | ||||
1914 | p = *s; | |||
1915 | while (**s != '\0' && !isspace((u_char)**s)) { | |||
1916 | (*s)++; | |||
1917 | tlen++; | |||
1918 | } | |||
1919 | if (tlen == 0) | |||
1920 | return NULL((void *)0); | |||
1921 | ||||
1922 | /* eat whitespace */ | |||
1923 | while (isspace((u_char)**s)) | |||
1924 | (*s)++; | |||
1925 | ||||
1926 | if ((r = strndup(p, tlen)) == NULL((void *)0)) | |||
1927 | err(1, NULL((void *)0)); | |||
1928 | return r; | |||
1929 | } | |||
1930 | ||||
1931 | int | |||
1932 | apply_unit(double val, u_char unit, u_int64_t *n) | |||
1933 | { | |||
1934 | u_int64_t factor = 1; | |||
1935 | ||||
1936 | switch (tolower(unit)) { | |||
1937 | case 't': | |||
1938 | factor *= 1024; | |||
1939 | /* FALLTHROUGH */ | |||
1940 | case 'g': | |||
1941 | factor *= 1024; | |||
1942 | /* FALLTHROUGH */ | |||
1943 | case 'm': | |||
1944 | factor *= 1024; | |||
1945 | /* FALLTHROUGH */ | |||
1946 | case 'k': | |||
1947 | factor *= 1024; | |||
1948 | break; | |||
1949 | default: | |||
1950 | return -1; | |||
1951 | } | |||
1952 | ||||
1953 | val *= factor / DEV_BSIZE(1 << 9); | |||
1954 | if (val > (double)ULLONG_MAX0xffffffffffffffffULL) | |||
1955 | return -1; | |||
1956 | *n = val; | |||
1957 | return 0; | |||
1958 | } | |||
1959 | ||||
1960 | int | |||
1961 | parse_sizespec(const char *buf, double *val, char **unit) | |||
1962 | { | |||
1963 | errno(*__errno()) = 0; | |||
1964 | *val = strtod(buf, unit); | |||
1965 | if (errno(*__errno()) == ERANGE34 || *val < 0 || *val > (double)ULLONG_MAX0xffffffffffffffffULL) | |||
1966 | return -1; /* too big/small */ | |||
1967 | if (*val == 0 && *unit == buf) | |||
1968 | return -1; /* No conversion performed. */ | |||
1969 | if (*unit != NULL((void *)0) && *unit[0] == '\0') | |||
1970 | *unit = NULL((void *)0); | |||
1971 | return 0; | |||
1972 | } | |||
1973 | ||||
1974 | int | |||
1975 | parse_sizerange(char *buf, u_int64_t *min, u_int64_t *max) | |||
1976 | { | |||
1977 | char *p, *unit1 = NULL((void *)0), *unit2 = NULL((void *)0); | |||
1978 | double val1 = 0, val2 = 0; | |||
1979 | ||||
1980 | if (strcmp(buf, "*") == 0) { | |||
1981 | *min = 0; | |||
1982 | *max = UINT64_MAX0xffffffffffffffffULL; | |||
1983 | goto done; | |||
1984 | } | |||
1985 | ||||
1986 | if ((p = strchr(buf, '-')) != NULL((void *)0)) { | |||
1987 | p[0] = '\0'; | |||
1988 | p++; | |||
1989 | } | |||
1990 | *max = 0; | |||
1991 | if (parse_sizespec(buf, &val1, &unit1) == -1) | |||
1992 | return -1; | |||
1993 | if (p
| |||
1994 | if (p[0] == '*') | |||
1995 | *max = UINT64_MAX0xffffffffffffffffULL; | |||
1996 | else | |||
1997 | if (parse_sizespec(p, &val2, &unit2) == -1) | |||
1998 | return -1; | |||
1999 | } | |||
2000 | if (unit1
| |||
2001 | return -1; | |||
2002 | if (apply_unit(val1, unit1[0], min) == -1) | |||
2003 | return -1; | |||
2004 | if (val2 > 0) { | |||
2005 | if (apply_unit(val2, unit2[0], max) == -1) | |||
| ||||
2006 | return -1; | |||
2007 | } else | |||
2008 | if (*max == 0) | |||
2009 | *max = *min; | |||
2010 | done: | |||
2011 | free(buf); | |||
2012 | return 0; | |||
2013 | } | |||
2014 | ||||
2015 | int | |||
2016 | parse_pct(char *buf, int *n) | |||
2017 | { | |||
2018 | const char *errstr; | |||
2019 | ||||
2020 | if (buf[strlen(buf) - 1] == '%') | |||
2021 | buf[strlen(buf) - 1] = '\0'; | |||
2022 | *n = strtonum(buf, 0, 100, &errstr); | |||
2023 | if (errstr) { | |||
2024 | warnx("parse percent %s: %s", buf, errstr); | |||
2025 | return -1; | |||
2026 | } | |||
2027 | free(buf); | |||
2028 | return 0; | |||
2029 | } | |||
2030 | ||||
2031 | int | |||
2032 | alignpartition(struct disklabel *lp, int partno, u_int64_t startalign, | |||
2033 | u_int64_t stopalign, int flags) | |||
2034 | { | |||
2035 | struct partition *pp = &lp->d_partitions[partno]; | |||
2036 | const struct diskchunk *chunk; | |||
2037 | u_int64_t start, stop, maxstop; | |||
2038 | ||||
2039 | start = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); | |||
2040 | if ((flags & ROUND_OFFSET_UP0x00000001) == ROUND_OFFSET_UP0x00000001) | |||
2041 | start = ROUNDUP(start, startalign)((((start) + (startalign) - 1) / (startalign)) * (startalign) ); | |||
2042 | else if ((flags & ROUND_OFFSET_DOWN0x00000002) == ROUND_OFFSET_DOWN0x00000002) | |||
2043 | start = ROUNDDOWN(start, startalign)(((start) / (startalign)) * (startalign)); | |||
2044 | ||||
2045 | /* Find the chunk that contains 'start'. */ | |||
2046 | chunk = free_chunks(lp, partno); | |||
2047 | for (; chunk->start != 0 || chunk->stop != 0; chunk++) { | |||
2048 | if (start >= chunk->start && start < chunk->stop) | |||
2049 | break; | |||
2050 | } | |||
2051 | if (chunk->stop == 0) { | |||
2052 | fprintf(stderr(&__sF[2]), "'%c' aligned offset %llu lies outside " | |||
2053 | "the OpenBSD bounds or inside another partition\n", | |||
2054 | 'a' + partno, start); | |||
2055 | return 1; | |||
2056 | } | |||
2057 | ||||
2058 | /* Calculate the new 'stop' sector, the sector after the partition. */ | |||
2059 | if ((flags & ROUND_SIZE_OVERLAP0x00000010) == 0) | |||
2060 | maxstop = ROUNDDOWN(chunk->stop, stopalign)(((chunk->stop) / (stopalign)) * (stopalign)); | |||
2061 | else | |||
2062 | maxstop = ROUNDDOWN(ending_sector, stopalign)(((ending_sector) / (stopalign)) * (stopalign)); | |||
2063 | ||||
2064 | stop = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
2065 | if ((flags & ROUND_SIZE_UP0x00000004) == ROUND_SIZE_UP0x00000004) | |||
2066 | stop = ROUNDUP(stop, stopalign)((((stop) + (stopalign) - 1) / (stopalign)) * (stopalign)); | |||
2067 | else if ((flags & ROUND_SIZE_DOWN0x00000008) == ROUND_SIZE_DOWN0x00000008) | |||
2068 | stop = ROUNDDOWN(stop, stopalign)(((stop) / (stopalign)) * (stopalign)); | |||
2069 | if (stop > maxstop) | |||
2070 | stop = maxstop; | |||
2071 | ||||
2072 | if (stop <= start) { | |||
2073 | fprintf(stderr(&__sF[2]), "not enough space\n"); | |||
2074 | return 1; | |||
2075 | } | |||
2076 | ||||
2077 | if (start != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )) | |||
2078 | DL_SETPOFFSET(pp, start)do { u_int64_t __x = (start); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
2079 | if (stop != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)) | |||
2080 | DL_SETPSIZE(pp, stop - start)do { u_int64_t __x = (stop - start); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
2081 | ||||
2082 | return 0; | |||
2083 | } |