File: | src/sbin/disklabel/editor.c |
Warning: | line 2503, column 37 Division by zero |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* $OpenBSD: editor.c,v 1.370 2021/12/19 19:26:18 krw 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 MAXIMUM(a, b)(((a) > (b)) ? (a) : (b)) (((a) > (b)) ? (a) : (b)) | |||
46 | ||||
47 | /* flags for getuint64() */ | |||
48 | #define DO_CONVERSIONS0x00000001 0x00000001 | |||
49 | #define DO_ROUNDING0x00000002 0x00000002 | |||
50 | ||||
51 | /* flags for alignpartition() */ | |||
52 | #define ROUND_OFFSET_UP0x00000001 0x00000001 | |||
53 | #define ROUND_OFFSET_DOWN0x00000002 0x00000002 | |||
54 | #define ROUND_SIZE_UP0x00000004 0x00000004 | |||
55 | #define ROUND_SIZE_DOWN0x00000008 0x00000008 | |||
56 | #define ROUND_SIZE_OVERLAP0x00000010 0x00000010 | |||
57 | ||||
58 | /* Special return values for getnumber and getuint64() */ | |||
59 | #define CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1) (ULLONG_MAX(9223372036854775807LL*2ULL+1ULL) - 1) | |||
60 | #define CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL)) (ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)) | |||
61 | ||||
62 | /* structure to describe a portion of a disk */ | |||
63 | struct diskchunk { | |||
64 | u_int64_t start; | |||
65 | u_int64_t stop; | |||
66 | }; | |||
67 | ||||
68 | /* used when sorting mountpoints in mpsave() */ | |||
69 | struct mountinfo { | |||
70 | char *mountpoint; | |||
71 | int partno; | |||
72 | }; | |||
73 | ||||
74 | /* used when allocating all space according to recommendations */ | |||
75 | ||||
76 | struct space_allocation { | |||
77 | u_int64_t minsz; /* starts as blocks, xlated to sectors. */ | |||
78 | u_int64_t maxsz; /* starts as blocks, xlated to sectors. */ | |||
79 | int rate; /* % of extra space to use */ | |||
80 | char *mp; | |||
81 | }; | |||
82 | ||||
83 | /* | |||
84 | * NOTE! Changing partition sizes in the space_allocation tables | |||
85 | * requires corresponding updates to the *.ok files in | |||
86 | * /usr/src/regress/sbin/disklabel. | |||
87 | */ | |||
88 | ||||
89 | /* entries for swap and var are changed by editor_allocspace() */ | |||
90 | struct space_allocation alloc_big[] = { | |||
91 | { MEG(150)((150) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, | |||
92 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, | |||
93 | { MEG(120)((120) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 8, "/tmp" }, | |||
94 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 13, "/var" }, | |||
95 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(6)(((6) * 1024LL * (1024 / (1 << 9))) * 1024LL), 10, "/usr" }, | |||
96 | { MEG(384)((384) * 1024LL * (1024 / (1 << 9))), GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), 3, "/usr/X11R6" }, | |||
97 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(20)(((20) * 1024LL * (1024 / (1 << 9))) * 1024LL), 15, "/usr/local" }, | |||
98 | { MEG(1500)((1500) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 2, "/usr/src" }, | |||
99 | { GIG(5)(((5) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(6)(((6) * 1024LL * (1024 / (1 << 9))) * 1024LL), 4, "/usr/obj" }, | |||
100 | { GIG(1)(((1) * 1024LL * (1024 / (1 << 9))) * 1024LL), GIG(300)(((300) * 1024LL * (1024 / (1 << 9))) * 1024LL), 30, "/home" } | |||
101 | /* Anything beyond this leave for the user to decide */ | |||
102 | }; | |||
103 | ||||
104 | struct space_allocation alloc_medium[] = { | |||
105 | { MEG(800)((800) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 5, "/" }, | |||
106 | { MEG(80)((80) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 10, "swap" }, | |||
107 | { MEG(1300)((1300) * 1024LL * (1024 / (1 << 9))), GIG(3)(((3) * 1024LL * (1024 / (1 << 9))) * 1024LL), 78, "/usr" }, | |||
108 | { MEG(256)((256) * 1024LL * (1024 / (1 << 9))), GIG(2)(((2) * 1024LL * (1024 / (1 << 9))) * 1024LL), 7, "/home" } | |||
109 | }; | |||
110 | ||||
111 | struct space_allocation alloc_small[] = { | |||
112 | { MEG(700)((700) * 1024LL * (1024 / (1 << 9))), GIG(4)(((4) * 1024LL * (1024 / (1 << 9))) * 1024LL), 95, "/" }, | |||
113 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(256)((256) * 1024LL * (1024 / (1 << 9))), 5, "swap" } | |||
114 | }; | |||
115 | ||||
116 | struct space_allocation alloc_stupid[] = { | |||
117 | { MEG(1)((1) * 1024LL * (1024 / (1 << 9))), MEG(2048)((2048) * 1024LL * (1024 / (1 << 9))), 100, "/" } | |||
118 | }; | |||
119 | ||||
120 | #ifndef nitems | |||
121 | #define nitems(_a)(sizeof((_a)) / sizeof((_a)[0])) (sizeof((_a)) / sizeof((_a)[0])) | |||
122 | #endif | |||
123 | ||||
124 | struct alloc_table { | |||
125 | struct space_allocation *table; | |||
126 | int sz; | |||
127 | }; | |||
128 | ||||
129 | struct alloc_table alloc_table_default[] = { | |||
130 | { alloc_big, nitems(alloc_big)(sizeof((alloc_big)) / sizeof((alloc_big)[0])) }, | |||
131 | { alloc_medium, nitems(alloc_medium)(sizeof((alloc_medium)) / sizeof((alloc_medium)[0])) }, | |||
132 | { alloc_small, nitems(alloc_small)(sizeof((alloc_small)) / sizeof((alloc_small)[0])) }, | |||
133 | { alloc_stupid, nitems(alloc_stupid)(sizeof((alloc_stupid)) / sizeof((alloc_stupid)[0])) } | |||
134 | }; | |||
135 | struct alloc_table *alloc_table = alloc_table_default; | |||
136 | int alloc_table_nitems = 4; | |||
137 | ||||
138 | void edit_parms(struct disklabel *); | |||
139 | void editor_resize(struct disklabel *, char *); | |||
140 | void editor_add(struct disklabel *, char *); | |||
141 | void editor_change(struct disklabel *, char *); | |||
142 | u_int64_t editor_countfree(struct disklabel *); | |||
143 | void editor_delete(struct disklabel *, char *); | |||
144 | void editor_help(void); | |||
145 | void editor_modify(struct disklabel *, char *); | |||
146 | void editor_name(struct disklabel *, char *); | |||
147 | char *getstring(const char *, const char *, const char *); | |||
148 | u_int64_t getuint64(struct disklabel *, char *, char *, u_int64_t, | |||
149 | u_int64_t, int *); | |||
150 | u_int64_t getnumber(char *, char *, u_int32_t, u_int32_t); | |||
151 | int has_overlap(struct disklabel *); | |||
152 | int partition_cmp(const void *, const void *); | |||
153 | struct partition **sort_partitions(struct disklabel *); | |||
154 | void getdisktype(struct disklabel *, char *, char *); | |||
155 | void find_bounds(struct disklabel *); | |||
156 | void set_bounds(struct disklabel *); | |||
157 | void set_duid(struct disklabel *); | |||
158 | struct diskchunk *free_chunks(struct disklabel *); | |||
159 | int micmp(const void *, const void *); | |||
160 | int mpequal(char **, char **); | |||
161 | int get_bsize(struct disklabel *, int); | |||
162 | int get_fsize(struct disklabel *, int); | |||
163 | int get_cpg(struct disklabel *, int); | |||
164 | int get_fstype(struct disklabel *, int); | |||
165 | int get_mp(struct disklabel *, int); | |||
166 | int get_offset(struct disklabel *, int); | |||
167 | int get_size(struct disklabel *, int); | |||
168 | void get_geometry(int, struct disklabel **); | |||
169 | void set_geometry(struct disklabel *, struct disklabel *, struct disklabel *, | |||
170 | char *); | |||
171 | void zero_partitions(struct disklabel *); | |||
172 | u_int64_t max_partition_size(struct disklabel *, int); | |||
173 | void display_edit(struct disklabel *, char); | |||
174 | void psize(u_int64_t sz, char unit, struct disklabel *lp); | |||
175 | char *get_token(char **); | |||
176 | int apply_unit(double, u_char, u_int64_t *); | |||
177 | int parse_sizespec(const char *, double *, char **); | |||
178 | int parse_sizerange(char *, u_int64_t *, u_int64_t *); | |||
179 | int parse_pct(char *, int *); | |||
180 | int alignpartition(struct disklabel *, int, u_int64_t, u_int64_t, int); | |||
181 | ||||
182 | static u_int64_t starting_sector; | |||
183 | static u_int64_t ending_sector; | |||
184 | static int expert; | |||
185 | static int overlap; | |||
186 | ||||
187 | /* | |||
188 | * Simple partition editor. | |||
189 | */ | |||
190 | int | |||
191 | editor(int f) | |||
192 | { | |||
193 | struct disklabel origlabel, lastlabel, tmplabel, newlab = lab; | |||
194 | struct disklabel *disk_geop = NULL((void *)0); | |||
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 | errx(4, "out of memory"); | |||
207 | ||||
208 | /* Don't allow disk type of "unknown" */ | |||
209 | getdisktype(&newlab, "You need to specify a type for this disk.", | |||
210 | specname); | |||
211 | ||||
212 | /* Get the on-disk geometries if possible */ | |||
213 | get_geometry(f, &disk_geop); | |||
214 | ||||
215 | /* How big is the OpenBSD portion of the disk? */ | |||
216 | find_bounds(&newlab); | |||
217 | ||||
218 | /* Make sure there is no partition overlap. */ | |||
219 | if (has_overlap(&newlab)) | |||
220 | errx(1, "can't run when there is partition overlap."); | |||
221 | ||||
222 | /* If we don't have a 'c' partition, create one. */ | |||
223 | pp = &newlab.d_partitions[RAW_PART2]; | |||
224 | if (newlab.d_npartitions
| |||
225 | puts("No 'c' partition found, adding one that spans the disk."); | |||
226 | if (newlab.d_npartitions
| |||
227 | newlab.d_npartitions = 3; | |||
228 | DL_SETPOFFSET(pp, 0)do { u_int64_t __x = (0); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); | |||
229 | 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); | |||
230 | pp->p_fstype = FS_UNUSED0; | |||
231 | pp->p_fragblock = pp->p_cpg = 0; | |||
232 | } | |||
233 | ||||
234 | #ifdef SUN_CYLCHECK | |||
235 | if ((newlab.d_flags & D_VENDOR0x08) && !quiet) { | |||
236 | puts("This platform requires that partition offsets/sizes " | |||
237 | "be on cylinder boundaries.\n" | |||
238 | "Partition offsets/sizes will be rounded to the " | |||
239 | "nearest cylinder automatically."); | |||
240 | } | |||
241 | #endif | |||
242 | ||||
243 | /* Set d_bbsize and d_sbsize as necessary */ | |||
244 | if (newlab.d_bbsize == 0) | |||
245 | newlab.d_bbsize = BBSIZE8192; | |||
246 | if (newlab.d_sbsize == 0) | |||
247 | newlab.d_sbsize = SBSIZE8192; | |||
248 | ||||
249 | /* Save the (U|u)ndo labels and mountpoints. */ | |||
250 | mpcopy(origmountpoints, mountpoints); | |||
251 | origlabel = newlab; | |||
252 | lastlabel = newlab; | |||
253 | ||||
254 | puts("Label editor (enter '?' for help at any prompt)"); | |||
255 | for (;;) { | |||
256 | fprintf(stdout(&__sF[1]), "%s%s%c ", dkname, | |||
257 | (memcmp(&lab, &newlab, sizeof(newlab)) == 0) ? "" : "*", | |||
258 | (expert == 0) ? '>' : '#'); | |||
259 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { | |||
260 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
261 | buf[0] = 'q'; | |||
262 | buf[1] = '\0'; | |||
263 | } | |||
264 | if ((cmd = strtok(buf, " \t\r\n")) == NULL((void *)0)) | |||
265 | continue; | |||
266 | arg = strtok(NULL((void *)0), " \t\r\n"); | |||
267 | ||||
268 | if ((*cmd != 'u') && (*cmd != 'U')) { | |||
269 | /* | |||
270 | * Save undo info in case the command tries to make | |||
271 | * changes but decides not to. | |||
272 | */ | |||
273 | tmplabel = lastlabel; | |||
274 | lastlabel = newlab; | |||
275 | mpcopy(tmpmountpoints, omountpoints); | |||
276 | mpcopy(omountpoints, mountpoints); | |||
277 | } | |||
278 | ||||
279 | switch (*cmd) { | |||
280 | case '?': | |||
281 | case 'h': | |||
282 | editor_help(); | |||
283 | break; | |||
284 | ||||
285 | case 'A': | |||
286 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) { | |||
287 | warn("DIOCGPDINFO"); | |||
288 | newlab = lastlabel; | |||
289 | } else { | |||
290 | int oquiet = quiet, oexpert = expert; | |||
291 | aflag = 1; | |||
292 | quiet = expert = 0; | |||
293 | editor_allocspace(&newlab); | |||
294 | quiet = oquiet; | |||
295 | expert = oexpert; | |||
296 | } | |||
297 | break; | |||
298 | case 'a': | |||
299 | editor_add(&newlab, arg); | |||
300 | break; | |||
301 | ||||
302 | case 'b': | |||
303 | set_bounds(&newlab); | |||
304 | break; | |||
305 | ||||
306 | case 'c': | |||
307 | editor_change(&newlab, arg); | |||
308 | break; | |||
309 | ||||
310 | case 'D': | |||
311 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), &newlab) == -1) | |||
312 | warn("DIOCGPDINFO"); | |||
313 | else { | |||
314 | dflag = 1; | |||
315 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
316 | free(mountpoints[i]); | |||
317 | mountpoints[i] = NULL((void *)0); | |||
318 | } | |||
319 | } | |||
320 | break; | |||
321 | ||||
322 | case 'd': | |||
323 | editor_delete(&newlab, arg); | |||
324 | break; | |||
325 | ||||
326 | case 'e': | |||
327 | edit_parms(&newlab); | |||
328 | break; | |||
329 | ||||
330 | case 'g': | |||
331 | set_geometry(&newlab, disk_geop, &lab, arg); | |||
332 | break; | |||
333 | ||||
334 | case 'i': | |||
335 | set_duid(&newlab); | |||
336 | break; | |||
337 | ||||
338 | case 'm': | |||
339 | editor_modify(&newlab, arg); | |||
340 | break; | |||
341 | ||||
342 | case 'n': | |||
343 | if (!fstabfile) { | |||
344 | fputs("This option is not valid when run " | |||
345 | "without the -F or -f flags.\n", stderr(&__sF[2])); | |||
346 | break; | |||
347 | } | |||
348 | editor_name(&newlab, arg); | |||
349 | break; | |||
350 | ||||
351 | case 'p': | |||
352 | display_edit(&newlab, arg ? *arg : 0); | |||
353 | break; | |||
354 | ||||
355 | case 'l': | |||
356 | display(stdout(&__sF[1]), &newlab, arg ? *arg : 0, 0); | |||
357 | break; | |||
358 | ||||
359 | case 'M': { | |||
360 | sig_t opipe = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
361 | char *pager, *comm = NULL((void *)0); | |||
362 | extern const u_char manpage[]; | |||
363 | extern const int manpage_sz; | |||
364 | ||||
365 | if ((pager = getenv("PAGER")) == NULL((void *)0) || *pager == '\0') | |||
366 | pager = _PATH_LESS"/usr/bin/less"; | |||
367 | ||||
368 | if (asprintf(&comm, "gunzip -qc|%s", pager) != -1 && | |||
369 | (fp = popen(comm, "w")) != NULL((void *)0)) { | |||
370 | (void) fwrite(manpage, manpage_sz, 1, fp); | |||
371 | pclose(fp); | |||
372 | } else | |||
373 | warn("unable to execute %s", pager); | |||
374 | ||||
375 | free(comm); | |||
376 | (void)signal(SIGPIPE13, opipe); | |||
377 | break; | |||
378 | } | |||
379 | ||||
380 | case 'q': | |||
381 | if (donothing) { | |||
382 | puts("In no change mode, not writing label."); | |||
383 | goto done; | |||
384 | } | |||
385 | ||||
386 | /* | |||
387 | * If we haven't changed the original label, and it | |||
388 | * wasn't a default label or an auto-allocated label, | |||
389 | * there is no need to do anything before exiting. Note | |||
390 | * that 'w' will reset dflag and aflag to allow 'q' to | |||
391 | * exit without further questions. | |||
392 | */ | |||
393 | if (!dflag && !aflag && | |||
394 | memcmp(&lab, &newlab, sizeof(newlab)) == 0) { | |||
395 | puts("No label changes."); | |||
396 | /* Save mountpoint info. */ | |||
397 | mpsave(&newlab); | |||
398 | goto done; | |||
399 | } | |||
400 | do { | |||
401 | arg = getstring("Write new label?", | |||
402 | "Write the modified label to disk?", | |||
403 | "y"); | |||
404 | } while (arg && tolower((unsigned char)*arg) != 'y' && | |||
405 | tolower((unsigned char)*arg) != 'n'); | |||
406 | if (arg && tolower((unsigned char)*arg) == 'y') { | |||
407 | if (writelabel(f, &newlab) == 0) { | |||
408 | newlab = lab; /* lab now has UID info */ | |||
409 | goto done; | |||
410 | } | |||
411 | warnx("unable to write label"); | |||
412 | } | |||
413 | error = 1; | |||
414 | goto done; | |||
415 | /* NOTREACHED */ | |||
416 | break; | |||
417 | ||||
418 | case 'R': | |||
419 | if (aflag && !overlap) | |||
420 | editor_resize(&newlab, arg); | |||
421 | else | |||
422 | fputs("Resize only implemented for auto " | |||
423 | "allocated labels\n", stderr(&__sF[2])); | |||
424 | break; | |||
425 | ||||
426 | case 'r': { | |||
427 | struct diskchunk *chunks; | |||
428 | int i; | |||
429 | /* Display free space. */ | |||
430 | chunks = free_chunks(&newlab); | |||
431 | for (i = 0; chunks[i].start != 0 || chunks[i].stop != 0; | |||
432 | i++) | |||
433 | fprintf(stderr(&__sF[2]), "Free sectors: %16llu - %16llu " | |||
434 | "(%16llu)\n", | |||
435 | chunks[i].start, chunks[i].stop - 1, | |||
436 | chunks[i].stop - chunks[i].start); | |||
437 | fprintf(stderr(&__sF[2]), "Total free sectors: %llu.\n", | |||
438 | editor_countfree(&newlab)); | |||
439 | break; | |||
440 | } | |||
441 | ||||
442 | case 's': | |||
443 | if (arg == NULL((void *)0)) { | |||
444 | arg = getstring("Filename", | |||
445 | "Name of the file to save label into.", | |||
446 | NULL((void *)0)); | |||
447 | if (arg == NULL((void *)0) || *arg == '\0') | |||
448 | break; | |||
449 | } | |||
450 | if ((fp = fopen(arg, "w")) == NULL((void *)0)) { | |||
451 | warn("cannot open %s", arg); | |||
452 | } else { | |||
453 | display(fp, &newlab, 0, 1); | |||
454 | (void)fclose(fp); | |||
455 | } | |||
456 | break; | |||
457 | ||||
458 | case 'U': | |||
459 | /* | |||
460 | * If we allow 'U' repeatedly, information would be | |||
461 | * lost. This way multiple 'U's followed by 'u' will | |||
462 | * undo the 'U's. | |||
463 | */ | |||
464 | if (memcmp(&newlab, &origlabel, sizeof(newlab)) || | |||
465 | !mpequal(mountpoints, origmountpoints)) { | |||
466 | tmplabel = newlab; | |||
467 | newlab = origlabel; | |||
468 | lastlabel = tmplabel; | |||
469 | mpcopy(tmpmountpoints, mountpoints); | |||
470 | mpcopy(mountpoints, origmountpoints); | |||
471 | mpcopy(omountpoints, tmpmountpoints); | |||
472 | } | |||
473 | puts("Original label and mount points restored."); | |||
474 | break; | |||
475 | ||||
476 | case 'u': | |||
477 | tmplabel = newlab; | |||
478 | newlab = lastlabel; | |||
479 | lastlabel = tmplabel; | |||
480 | mpcopy(tmpmountpoints, mountpoints); | |||
481 | mpcopy(mountpoints, omountpoints); | |||
482 | mpcopy(omountpoints, tmpmountpoints); | |||
483 | puts("Last change undone."); | |||
484 | break; | |||
485 | ||||
486 | case 'w': | |||
487 | if (donothing) { | |||
488 | puts("In no change mode, not writing label."); | |||
489 | break; | |||
490 | } | |||
491 | ||||
492 | /* Write label to disk. */ | |||
493 | if (writelabel(f, &newlab) != 0) | |||
494 | warnx("unable to write label"); | |||
495 | else { | |||
496 | dflag = aflag = 0; | |||
497 | newlab = lab; /* lab now has UID info */ | |||
498 | } | |||
499 | break; | |||
500 | ||||
501 | case 'X': | |||
502 | expert = !expert; | |||
503 | printf("%s expert mode\n", expert ? "Entering" : | |||
504 | "Exiting"); | |||
505 | break; | |||
506 | ||||
507 | case 'x': | |||
508 | goto done; | |||
509 | break; | |||
510 | ||||
511 | case 'z': | |||
512 | zero_partitions(&newlab); | |||
513 | break; | |||
514 | ||||
515 | case '\n': | |||
516 | break; | |||
517 | ||||
518 | default: | |||
519 | printf("Unknown option: %c ('?' for help)\n", *cmd); | |||
520 | break; | |||
521 | } | |||
522 | ||||
523 | /* | |||
524 | * If no changes were made to label or mountpoints, then | |||
525 | * restore undo info. | |||
526 | */ | |||
527 | if (memcmp(&newlab, &lastlabel, sizeof(newlab)) == 0 && | |||
528 | (mpequal(mountpoints, omountpoints))) { | |||
529 | lastlabel = tmplabel; | |||
530 | mpcopy(omountpoints, tmpmountpoints); | |||
531 | } | |||
532 | } | |||
533 | done: | |||
534 | mpfree(omountpoints); | |||
535 | mpfree(origmountpoints); | |||
536 | mpfree(tmpmountpoints); | |||
537 | free(disk_geop); | |||
538 | return (error); | |||
539 | } | |||
540 | ||||
541 | /* | |||
542 | * Allocate all disk space according to standard recommendations for a | |||
543 | * root disk. | |||
544 | */ | |||
545 | int | |||
546 | editor_allocspace(struct disklabel *lp_org) | |||
547 | { | |||
548 | struct disklabel *lp, label; | |||
549 | struct space_allocation *alloc; | |||
550 | struct space_allocation *ap; | |||
551 | struct partition *pp; | |||
552 | struct diskchunk *chunks; | |||
553 | u_int64_t chunkstart, chunkstop, chunksize; | |||
554 | u_int64_t cylsecs, secs, xtrasecs; | |||
555 | char **partmp; | |||
556 | int i, j, lastalloc, index, partno, freeparts; | |||
557 | extern int64_t physmem; | |||
558 | ||||
559 | /* How big is the OpenBSD portion of the disk? */ | |||
560 | find_bounds(lp_org); | |||
561 | ||||
562 | overlap = 0; | |||
563 | freeparts = 0; | |||
564 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
565 | u_int64_t psz, pstart, pend; | |||
566 | ||||
567 | pp = &lp_org->d_partitions[i]; | |||
568 | psz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
569 | if (psz == 0) | |||
570 | freeparts++; | |||
571 | pstart = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); | |||
572 | pend = pstart + psz; | |||
573 | if (i != RAW_PART2 && psz != 0 && | |||
574 | ((pstart >= starting_sector && pstart < ending_sector) || | |||
575 | (pend > starting_sector && pend <= ending_sector))) { | |||
576 | overlap = 1; | |||
577 | break; | |||
578 | } | |||
579 | } | |||
580 | ||||
581 | cylsecs = lp_org->d_secpercyl; | |||
582 | alloc = NULL((void *)0); | |||
583 | index = -1; | |||
584 | again: | |||
585 | free(alloc); | |||
586 | alloc = NULL((void *)0); | |||
587 | index++; | |||
588 | if (index >= alloc_table_nitems) | |||
589 | return 1; | |||
590 | lp = &label; | |||
591 | for (i=0; i<MAXPARTITIONS16; i++) { | |||
592 | free(mountpoints[i]); | |||
593 | mountpoints[i] = NULL((void *)0); | |||
594 | } | |||
595 | memcpy(lp, lp_org, sizeof(struct disklabel)); | |||
596 | lp->d_npartitions = MAXPARTITIONS16; | |||
597 | lastalloc = alloc_table[index].sz; | |||
598 | if (lastalloc > freeparts) | |||
599 | goto again; | |||
600 | alloc = reallocarray(NULL((void *)0), lastalloc, sizeof(struct space_allocation)); | |||
601 | if (alloc == NULL((void *)0)) | |||
602 | errx(4, "out of memory"); | |||
603 | memcpy(alloc, alloc_table[index].table, | |||
604 | lastalloc * sizeof(struct space_allocation)); | |||
605 | ||||
606 | /* bump max swap based on phys mem, little physmem gets 2x swap */ | |||
607 | if (index == 0 && alloc_table == alloc_table_default) { | |||
608 | if (physmem && physmem / DEV_BSIZE(1 << 9) < MEG(256)((256) * 1024LL * (1024 / (1 << 9)))) | |||
609 | alloc[1].minsz = alloc[1].maxsz = 2 * (physmem / | |||
610 | DEV_BSIZE(1 << 9)); | |||
611 | else | |||
612 | alloc[1].maxsz += (physmem / DEV_BSIZE(1 << 9)); | |||
613 | /* bump max /var to make room for 2 crash dumps */ | |||
614 | alloc[3].maxsz += 2 * (physmem / DEV_BSIZE(1 << 9)); | |||
615 | } | |||
616 | ||||
617 | xtrasecs = editor_countfree(lp); | |||
618 | ||||
619 | for (i = 0; i < lastalloc; i++) { | |||
620 | alloc[i].minsz = DL_BLKTOSEC(lp, alloc[i].minsz)((alloc[i].minsz) / ((lp)->d_secsize / (1 << 9))); | |||
621 | alloc[i].maxsz = DL_BLKTOSEC(lp, alloc[i].maxsz)((alloc[i].maxsz) / ((lp)->d_secsize / (1 << 9))); | |||
622 | if (xtrasecs >= alloc[i].minsz) | |||
623 | xtrasecs -= alloc[i].minsz; | |||
624 | else { | |||
625 | /* It did not work out, try next strategy */ | |||
626 | goto again; | |||
627 | } | |||
628 | } | |||
629 | ||||
630 | for (i = 0; i < lastalloc; i++) { | |||
631 | /* Find next available partition. */ | |||
632 | for (j = 0; j < MAXPARTITIONS16; j++) | |||
633 | if (DL_GETPSIZE(&lp->d_partitions[j])(((u_int64_t)(&lp->d_partitions[j])->p_sizeh << 32) + (&lp->d_partitions[j])->p_size) == 0) | |||
634 | break; | |||
635 | if (j == MAXPARTITIONS16) { | |||
636 | /* It did not work out, try next strategy */ | |||
637 | goto again; | |||
638 | } | |||
639 | partno = j; | |||
640 | pp = &lp->d_partitions[j]; | |||
641 | partmp = &mountpoints[j]; | |||
642 | ap = &alloc[i]; | |||
643 | ||||
644 | /* Find largest chunk of free space. */ | |||
645 | chunks = free_chunks(lp); | |||
646 | chunksize = 0; | |||
647 | for (j = 0; chunks[j].start != 0 || chunks[j].stop != 0; j++) { | |||
648 | if ((chunks[j].stop - chunks[j].start) > chunksize) { | |||
649 | chunkstart = chunks[j].start; | |||
650 | chunkstop = chunks[j].stop; | |||
651 | #ifdef SUN_CYLCHECK | |||
652 | if (lp->d_flags & D_VENDOR0x08) { | |||
653 | /* Align to cylinder boundaries. */ | |||
654 | chunkstart = ((chunkstart + cylsecs - 1) | |||
655 | / cylsecs) * cylsecs; | |||
656 | chunkstop = (chunkstop / cylsecs) * | |||
657 | cylsecs; | |||
658 | } | |||
659 | #endif | |||
660 | chunksize = chunkstop - chunkstart; | |||
661 | } | |||
662 | } | |||
663 | ||||
664 | /* Figure out the size of the partition. */ | |||
665 | if (i == lastalloc - 1) { | |||
666 | if (chunksize > ap->maxsz) | |||
667 | secs = ap->maxsz; | |||
668 | else | |||
669 | secs = chunksize; | |||
670 | } else { | |||
671 | secs = ap->minsz; | |||
672 | if (xtrasecs > 0) | |||
673 | secs += (xtrasecs / 100) * ap->rate; | |||
674 | if (secs > ap->maxsz) | |||
675 | secs = ap->maxsz; | |||
676 | } | |||
677 | #ifdef SUN_CYLCHECK | |||
678 | if (lp->d_flags & D_VENDOR0x08) { | |||
679 | secs = ((secs + cylsecs - 1) / cylsecs) * cylsecs; | |||
680 | while (secs > chunksize) | |||
681 | secs -= cylsecs; | |||
682 | } | |||
683 | #endif | |||
684 | ||||
685 | /* See if partition can fit into chunk. */ | |||
686 | if (secs > chunksize) | |||
687 | secs = chunksize; | |||
688 | if (secs < ap->minsz) { | |||
689 | /* It did not work out, try next strategy */ | |||
690 | goto again; | |||
691 | } | |||
692 | ||||
693 | /* Everything seems ok so configure the partition. */ | |||
694 | DL_SETPSIZE(pp, secs)do { u_int64_t __x = (secs); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); | |||
695 | DL_SETPOFFSET(pp, chunkstart)do { u_int64_t __x = (chunkstart); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
696 | if (ap->mp[0] != '/') | |||
697 | pp->p_fstype = FS_SWAP1; | |||
698 | else { | |||
699 | pp->p_fstype = FS_BSDFFS7; | |||
700 | pp->p_fragblock = 0; | |||
701 | if (get_fsize(lp, partno) == 1 || | |||
702 | get_bsize(lp, partno) == 1 || | |||
703 | get_cpg(lp, partno) == 1) { | |||
704 | free(alloc); | |||
705 | return 1; | |||
706 | } | |||
707 | free(*partmp); | |||
708 | if ((*partmp = strdup(ap->mp)) == NULL((void *)0)) | |||
709 | errx(4, "out of memory"); | |||
710 | } | |||
711 | } | |||
712 | ||||
713 | free(alloc); | |||
714 | memcpy(lp_org, lp, sizeof(struct disklabel)); | |||
715 | return 0; | |||
716 | } | |||
717 | ||||
718 | /* | |||
719 | * Resize a partition, moving all subsequent partitions | |||
720 | */ | |||
721 | void | |||
722 | editor_resize(struct disklabel *lp, char *p) | |||
723 | { | |||
724 | struct disklabel label; | |||
725 | struct partition *pp, *prev; | |||
726 | u_int64_t ui, sz, off; | |||
727 | int partno, i, flags, shrunk; | |||
728 | ||||
729 | label = *lp; | |||
730 | ||||
731 | /* Change which partition? */ | |||
732 | if (p == NULL((void *)0)) | |||
733 | p = getstring("partition to resize", | |||
734 | "The letter of the partition to name, a - p.", NULL((void *)0)); | |||
735 | if (p
| |||
736 | return; | |||
737 | partno = p[0] - 'a'; | |||
738 | if (partno < 0 || partno == RAW_PART2 || partno >= lp->d_npartitions) { | |||
739 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
740 | "(excluding 'c').\n", 'a' + lp->d_npartitions - 1); | |||
741 | return; | |||
742 | } | |||
743 | ||||
744 | pp = &label.d_partitions[partno]; | |||
745 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
746 | if (sz == 0) { | |||
747 | fputs("No such partition\n", stderr(&__sF[2])); | |||
748 | return; | |||
749 | } | |||
750 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) { | |||
751 | fputs("Cannot resize spoofed partition\n", stderr(&__sF[2])); | |||
752 | return; | |||
753 | } | |||
754 | flags = DO_CONVERSIONS0x00000001; | |||
755 | ui = getuint64(lp, "[+|-]new size (with unit)", | |||
756 | "new size or amount to grow (+) or shrink (-) partition including " | |||
757 | "unit", sz, sz + editor_countfree(lp), &flags); | |||
758 | ||||
759 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
760 | return; | |||
761 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
762 | return; | |||
763 | else if (ui == 0) { | |||
764 | fputs("The size must be > 0 sectors\n", stderr(&__sF[2])); | |||
765 | return; | |||
766 | } | |||
767 | ||||
768 | #ifdef SUN_CYLCHECK | |||
769 | if (lp->d_secpercyl & D_VENDOR0x08) { | |||
770 | u_int64_t cylsecs; | |||
771 | cylsecs = lp->d_secpercyl; | |||
772 | ui = ((ui + cylsecs - 1) / cylsecs) * cylsecs; | |||
773 | } | |||
774 | #endif | |||
775 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) + ui > ending_sector) { | |||
776 | fputs("Amount too big\n", stderr(&__sF[2])); | |||
777 | return; | |||
778 | } | |||
779 | ||||
780 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); | |||
781 | pp->p_fragblock = 0; | |||
782 | if (get_fsize(&label, partno) == 1 || | |||
783 | get_bsize(&label, partno) == 1 || | |||
784 | get_cpg(&label, partno) == 1) | |||
785 | return; | |||
786 | ||||
787 | /* | |||
788 | * Pack partitions above the resized partition, leaving unused | |||
789 | * partitions alone. | |||
790 | */ | |||
791 | shrunk = -1; | |||
792 | prev = pp; | |||
793 | for (i = partno + 1; i < MAXPARTITIONS16; i++) { | |||
794 | if (i == RAW_PART2) | |||
795 | continue; | |||
796 | pp = &label.d_partitions[i]; | |||
797 | if (pp->p_fstype != FS_BSDFFS7 && pp->p_fstype != FS_SWAP1) | |||
798 | continue; | |||
799 | sz = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size); | |||
800 | if (sz == 0) | |||
801 | continue; | |||
802 | ||||
803 | 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 ); | |||
804 | ||||
805 | if (off < ending_sector) { | |||
806 | DL_SETPOFFSET(pp, off)do { u_int64_t __x = (off); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
807 | if (off + DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) > ending_sector) { | |||
808 | 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); | |||
809 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(0, 0)((0) * (0) == 0 ? 0 : (((ffs((0) * (0)) - 13) << 3) | ( ffs(0)))); | |||
810 | if (get_fsize(&label, i) == 1 || | |||
811 | get_bsize(&label, i) == 1 || | |||
812 | get_cpg(&label, i) == 1) | |||
813 | return; | |||
814 | shrunk = i; | |||
815 | } | |||
816 | } else { | |||
817 | fputs("Amount too big\n", stderr(&__sF[2])); | |||
818 | return; | |||
819 | } | |||
820 | prev = pp; | |||
821 | } | |||
822 | ||||
823 | if (shrunk != -1) | |||
824 | fprintf(stderr(&__sF[2]), "Partition %c shrunk to %llu sectors to make " | |||
825 | "room\n", 'a' + shrunk, | |||
826 | DL_GETPSIZE(&label.d_partitions[shrunk])(((u_int64_t)(&label.d_partitions[shrunk])->p_sizeh << 32) + (&label.d_partitions[shrunk])->p_size)); | |||
827 | *lp = label; | |||
828 | } | |||
829 | ||||
830 | /* | |||
831 | * Add a new partition. | |||
832 | */ | |||
833 | void | |||
834 | editor_add(struct disklabel *lp, char *p) | |||
835 | { | |||
836 | struct partition *pp; | |||
837 | struct diskchunk *chunks; | |||
838 | char buf[2]; | |||
839 | int i, partno; | |||
840 | u_int64_t freesectors, new_offset, new_size; | |||
841 | ||||
842 | freesectors = editor_countfree(lp); | |||
843 | ||||
844 | /* XXX - prompt user to steal space from another partition instead */ | |||
845 | #ifdef SUN_CYLCHECK | |||
846 | if ((lp->d_flags & D_VENDOR0x08) && freesectors < lp->d_secpercyl) { | |||
847 | fputs("No space left, you need to shrink a partition " | |||
848 | "(need at least one full cylinder)\n", | |||
849 | stderr(&__sF[2])); | |||
850 | return; | |||
851 | } | |||
852 | #endif | |||
853 | if (freesectors == 0) { | |||
854 | fputs("No space left, you need to shrink a partition\n", | |||
855 | stderr(&__sF[2])); | |||
856 | return; | |||
857 | } | |||
858 | ||||
859 | if (p == NULL((void *)0)) { | |||
860 | /* | |||
861 | * Use the first unused partition that is not 'c' as the | |||
862 | * default partition in the prompt string. | |||
863 | */ | |||
864 | pp = &lp->d_partitions[0]; | |||
865 | buf[0] = buf[1] = '\0'; | |||
866 | for (partno = 0; partno < MAXPARTITIONS16; partno++, pp++) { | |||
867 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0 && partno != RAW_PART2) { | |||
868 | buf[0] = partno + 'a'; | |||
869 | p = &buf[0]; | |||
870 | break; | |||
871 | } | |||
872 | } | |||
873 | p = getstring("partition", | |||
874 | "The letter of the new partition, a - p.", p); | |||
875 | } | |||
876 | if (p == NULL((void *)0)) | |||
877 | return; | |||
878 | partno = p[0] - 'a'; | |||
879 | if (partno < 0 || partno == RAW_PART2 || partno >= MAXPARTITIONS16) { | |||
880 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
881 | "(excluding 'c').\n", 'a' + MAXPARTITIONS16 - 1); | |||
882 | return; | |||
883 | } | |||
884 | pp = &lp->d_partitions[partno]; | |||
885 | ||||
886 | if (pp->p_fstype != FS_UNUSED0 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) != 0) { | |||
887 | fprintf(stderr(&__sF[2]), "Partition '%c' exists. Delete it first.\n", | |||
888 | p[0]); | |||
889 | return; | |||
890 | } | |||
891 | ||||
892 | /* | |||
893 | * Increase d_npartitions if necessary. Ensure all new partitions are | |||
894 | * zero'ed to avoid inadvertent overlaps. | |||
895 | */ | |||
896 | for(; lp->d_npartitions <= partno; lp->d_npartitions++) | |||
897 | memset(&lp->d_partitions[lp->d_npartitions], 0, sizeof(*pp)); | |||
898 | ||||
899 | /* Make sure selected partition is zero'd too. */ | |||
900 | memset(pp, 0, sizeof(*pp)); | |||
901 | chunks = free_chunks(lp); | |||
902 | ||||
903 | /* | |||
904 | * Since we know there's free space, there must be at least one | |||
905 | * chunk. So find the largest chunk and assume we want to add the | |||
906 | * partition in that free space. | |||
907 | */ | |||
908 | new_size = new_offset = 0; | |||
909 | for (i = 0; chunks[i].start != 0 || chunks[i].stop != 0; i++) { | |||
910 | if (chunks[i].stop - chunks[i].start > new_size) { | |||
911 | new_size = chunks[i].stop - chunks[i].start; | |||
912 | new_offset = chunks[i].start; | |||
913 | } | |||
914 | } | |||
915 | DL_SETPSIZE(pp, new_size)do { u_int64_t __x = (new_size); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
916 | DL_SETPOFFSET(pp, new_offset)do { u_int64_t __x = (new_offset); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
917 | pp->p_fstype = partno == 1 ? FS_SWAP1 : FS_BSDFFS7; | |||
918 | ||||
919 | if (get_offset(lp, partno) == 0 && | |||
920 | get_size(lp, partno) == 0 && | |||
921 | get_fstype(lp, partno) == 0 && | |||
922 | get_mp(lp, partno) == 0 && | |||
923 | get_fsize(lp, partno) == 0 && | |||
924 | get_bsize(lp, partno) == 0 && | |||
925 | get_cpg(lp, partno) == 0) | |||
926 | return; | |||
927 | ||||
928 | /* Bailed out at some point, so effectively delete the partition. */ | |||
929 | memset(pp, 0, sizeof(*pp)); | |||
930 | } | |||
931 | ||||
932 | /* | |||
933 | * Set the mountpoint of an existing partition ('name'). | |||
934 | */ | |||
935 | void | |||
936 | editor_name(struct disklabel *lp, char *p) | |||
937 | { | |||
938 | struct partition *pp; | |||
939 | int partno; | |||
940 | ||||
941 | /* Change which partition? */ | |||
942 | if (p == NULL((void *)0)) | |||
943 | p = getstring("partition to name", | |||
944 | "The letter of the partition to name, a - p.", NULL((void *)0)); | |||
945 | if (p == NULL((void *)0)) | |||
946 | return; | |||
947 | partno = p[0] - 'a'; | |||
948 | if (partno < 0 || partno == RAW_PART2 || partno >= lp->d_npartitions) { | |||
949 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
950 | "(excluding 'c').\n", 'a' + lp->d_npartitions - 1); | |||
951 | return; | |||
952 | } | |||
953 | pp = &lp->d_partitions[partno]; | |||
954 | ||||
955 | if (pp->p_fstype == FS_UNUSED0 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { | |||
956 | fprintf(stderr(&__sF[2]), "Partition '%c' is not in use.\n", p[0]); | |||
957 | return; | |||
958 | } | |||
959 | ||||
960 | get_mp(lp, partno); | |||
961 | } | |||
962 | ||||
963 | /* | |||
964 | * Change an existing partition. | |||
965 | */ | |||
966 | void | |||
967 | editor_modify(struct disklabel *lp, char *p) | |||
968 | { | |||
969 | struct partition opp, *pp; | |||
970 | int partno; | |||
971 | ||||
972 | /* Change which partition? */ | |||
973 | if (p == NULL((void *)0)) | |||
974 | p = getstring("partition to modify", | |||
975 | "The letter of the partition to modify, a - p.", NULL((void *)0)); | |||
976 | if (p == NULL((void *)0)) | |||
977 | return; | |||
978 | partno = p[0] - 'a'; | |||
979 | if (partno < 0 || partno == RAW_PART2 || partno >= lp->d_npartitions) { | |||
980 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
981 | "(excluding 'c').\n", 'a' + lp->d_npartitions - 1); | |||
982 | return; | |||
983 | } | |||
984 | pp = &lp->d_partitions[partno]; | |||
985 | ||||
986 | if (pp->p_fstype == FS_UNUSED0 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { | |||
987 | fprintf(stderr(&__sF[2]), "Partition '%c' is not in use.\n", p[0]); | |||
988 | return; | |||
989 | } | |||
990 | ||||
991 | opp = *pp; | |||
992 | ||||
993 | if (get_offset(lp, partno) == 0 && | |||
994 | get_size(lp, partno) == 0 && | |||
995 | get_fstype(lp, partno) == 0 && | |||
996 | get_mp(lp, partno) == 0 && | |||
997 | get_fsize(lp, partno) == 0 && | |||
998 | get_bsize(lp, partno) == 0 && | |||
999 | get_cpg(lp, partno) == 0) | |||
1000 | return; | |||
1001 | ||||
1002 | /* Bailed out at some point, so undo any changes. */ | |||
1003 | *pp = opp; | |||
1004 | } | |||
1005 | ||||
1006 | /* | |||
1007 | * Delete an existing partition. | |||
1008 | */ | |||
1009 | void | |||
1010 | editor_delete(struct disklabel *lp, char *p) | |||
1011 | { | |||
1012 | struct partition *pp; | |||
1013 | int partno; | |||
1014 | ||||
1015 | if (p == NULL((void *)0)) | |||
1016 | p = getstring("partition to delete", | |||
1017 | "The letter of the partition to delete, a - p, or '*'.", | |||
1018 | NULL((void *)0)); | |||
1019 | if (p == NULL((void *)0)) | |||
1020 | return; | |||
1021 | if (p[0] == '*') { | |||
1022 | zero_partitions(lp); | |||
1023 | return; | |||
1024 | } | |||
1025 | partno = p[0] - 'a'; | |||
1026 | if (partno < 0 || partno == RAW_PART2 || partno >= lp->d_npartitions) { | |||
1027 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
1028 | "(excluding 'c').\n", 'a' + lp->d_npartitions - 1); | |||
1029 | return; | |||
1030 | } | |||
1031 | pp = &lp->d_partitions[partno]; | |||
1032 | ||||
1033 | if (pp->p_fstype == FS_UNUSED0 && DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { | |||
1034 | fprintf(stderr(&__sF[2]), "Partition '%c' is not in use.\n", p[0]); | |||
1035 | return; | |||
1036 | } | |||
1037 | ||||
1038 | /* Really delete it (as opposed to just setting to "unused") */ | |||
1039 | memset(pp, 0, sizeof(*pp)); | |||
1040 | free(mountpoints[partno]); | |||
1041 | mountpoints[partno] = NULL((void *)0); | |||
1042 | } | |||
1043 | ||||
1044 | /* | |||
1045 | * Change the size of an existing partition. | |||
1046 | */ | |||
1047 | void | |||
1048 | editor_change(struct disklabel *lp, char *p) | |||
1049 | { | |||
1050 | struct partition *pp; | |||
1051 | int partno; | |||
1052 | ||||
1053 | if (p == NULL((void *)0)) | |||
1054 | p = getstring("partition to change size", | |||
1055 | "The letter of the partition to change size, a - p.", NULL((void *)0)); | |||
1056 | if (p == NULL((void *)0)) | |||
1057 | return; | |||
1058 | partno = p[0] - 'a'; | |||
1059 | if (partno < 0 || partno == RAW_PART2 || partno >= lp->d_npartitions) { | |||
1060 | fprintf(stderr(&__sF[2]), "Partition must be between 'a' and '%c' " | |||
1061 | "(excluding 'c').\n", 'a' + lp->d_npartitions - 1); | |||
1062 | return; | |||
1063 | } | |||
1064 | pp = &lp->d_partitions[partno]; | |||
1065 | ||||
1066 | if (DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) == 0) { | |||
1067 | fprintf(stderr(&__sF[2]), "Partition '%c' is not in use.\n", p[0]); | |||
1068 | return; | |||
1069 | } | |||
1070 | ||||
1071 | printf("Partition %c is currently %llu sectors in size, and can have " | |||
1072 | "a maximum\nsize of %llu sectors.\n", | |||
1073 | p[0], DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), max_partition_size(lp, partno)); | |||
1074 | ||||
1075 | /* Get new size */ | |||
1076 | get_size(lp, partno); | |||
1077 | } | |||
1078 | ||||
1079 | /* | |||
1080 | * Sort the partitions based on starting offset. | |||
1081 | * This assumes there can be no overlap. | |||
1082 | */ | |||
1083 | int | |||
1084 | partition_cmp(const void *e1, const void *e2) | |||
1085 | { | |||
1086 | struct partition *p1 = *(struct partition **)e1; | |||
1087 | struct partition *p2 = *(struct partition **)e2; | |||
1088 | u_int64_t o1 = DL_GETPOFFSET(p1)(((u_int64_t)(p1)->p_offseth << 32) + (p1)->p_offset ); | |||
1089 | u_int64_t o2 = DL_GETPOFFSET(p2)(((u_int64_t)(p2)->p_offseth << 32) + (p2)->p_offset ); | |||
1090 | ||||
1091 | if (o1 < o2) | |||
1092 | return -1; | |||
1093 | else if (o1 > o2) | |||
1094 | return 1; | |||
1095 | else | |||
1096 | return 0; | |||
1097 | } | |||
1098 | ||||
1099 | char * | |||
1100 | getstring(const char *prompt, const char *helpstring, const char *oval) | |||
1101 | { | |||
1102 | static char buf[BUFSIZ1024]; | |||
1103 | int n; | |||
1104 | ||||
1105 | buf[0] = '\0'; | |||
1106 | do { | |||
1107 | printf("%s: [%s] ", prompt, oval ? oval : ""); | |||
1108 | if (fgets(buf, sizeof(buf), stdin(&__sF[0])) == NULL((void *)0)) { | |||
1109 | buf[0] = '\0'; | |||
1110 | if (feof(stdin)(!__isthreaded ? ((((&__sF[0]))->_flags & 0x0020) != 0) : (feof)((&__sF[0])))) { | |||
1111 | clearerr(stdin)(!__isthreaded ? ((void)(((&__sF[0]))->_flags &= ~ (0x0040|0x0020))) : (clearerr)((&__sF[0]))); | |||
1112 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1113 | fputs("Command aborted\n", stderr(&__sF[2])); | |||
1114 | return (NULL((void *)0)); | |||
1115 | } | |||
1116 | } | |||
1117 | n = strlen(buf); | |||
1118 | if (n > 0 && buf[n-1] == '\n') | |||
1119 | buf[--n] = '\0'; | |||
1120 | if (buf[0] == '?') | |||
1121 | puts(helpstring); | |||
1122 | else if (oval != NULL((void *)0) && buf[0] == '\0') | |||
1123 | strlcpy(buf, oval, sizeof(buf)); | |||
1124 | } while (buf[0] == '?'); | |||
1125 | ||||
1126 | return (&buf[0]); | |||
1127 | } | |||
1128 | ||||
1129 | /* | |||
1130 | * Returns | |||
1131 | * 0 .. CMD_ABORTED - 1 ==> valid value | |||
1132 | * CMD_BADVALUE ==> invalid value | |||
1133 | * CMD_ABORTED ==> ^D on input | |||
1134 | */ | |||
1135 | u_int64_t | |||
1136 | getnumber(char *prompt, char *helpstring, u_int32_t oval, u_int32_t maxval) | |||
1137 | { | |||
1138 | char buf[BUFSIZ1024], *p; | |||
1139 | int rslt; | |||
1140 | long long rval; | |||
1141 | const char *errstr; | |||
1142 | ||||
1143 | rslt = snprintf(buf, sizeof(buf), "%u", oval); | |||
1144 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) | |||
1145 | return (CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))); | |||
1146 | ||||
1147 | p = getstring(prompt, helpstring, buf); | |||
1148 | if (p == NULL((void *)0)) | |||
1149 | return (CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)); | |||
1150 | if (strlen(p) == 0) | |||
1151 | return (oval); | |||
1152 | ||||
1153 | rval = strtonum(p, 0, maxval, &errstr); | |||
1154 | if (errstr != NULL((void *)0)) { | |||
1155 | printf("%s must be between 0 and %u\n", prompt, maxval); | |||
1156 | return (CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))); | |||
1157 | } | |||
1158 | ||||
1159 | return (rval); | |||
1160 | } | |||
1161 | ||||
1162 | /* | |||
1163 | * Returns | |||
1164 | * 0 .. CMD_ABORTED - 1 ==> valid value | |||
1165 | * CMD_BADVALUE ==> invalid value | |||
1166 | * CMD_ABORTED ==> ^D on input | |||
1167 | */ | |||
1168 | u_int64_t | |||
1169 | getuint64(struct disklabel *lp, char *prompt, char *helpstring, | |||
1170 | u_int64_t oval, u_int64_t maxval, int *flags) | |||
1171 | { | |||
1172 | char buf[21], *p, operator = '\0'; | |||
1173 | char *unit = NULL((void *)0); | |||
1174 | u_int64_t rval = oval; | |||
1175 | double d; | |||
1176 | int rslt; | |||
1177 | ||||
1178 | rslt = snprintf(buf, sizeof(buf), "%llu", oval); | |||
1179 | if (rslt < 0 || (unsigned int)rslt >= sizeof(buf)) | |||
1180 | goto invalid; | |||
1181 | ||||
1182 | p = getstring(prompt, helpstring, buf); | |||
1183 | if (p == NULL((void *)0)) | |||
1184 | return (CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)); | |||
1185 | else if (p[0] == '\0') | |||
1186 | rval = oval; | |||
1187 | else if (p[0] == '*' && p[1] == '\0') | |||
1188 | rval = maxval; | |||
1189 | else { | |||
1190 | if (*p == '+' || *p == '-') | |||
1191 | operator = *p++; | |||
1192 | if (parse_sizespec(p, &d, &unit) == -1) | |||
1193 | goto invalid; | |||
1194 | if (unit == NULL((void *)0)) | |||
1195 | rval = d; | |||
1196 | else if (flags != NULL((void *)0) && (*flags & DO_CONVERSIONS0x00000001) == 0) | |||
1197 | goto invalid; | |||
1198 | else { | |||
1199 | switch (tolower((unsigned char)*unit)) { | |||
1200 | case 'b': | |||
1201 | rval = d / lp->d_secsize; | |||
1202 | break; | |||
1203 | case 'c': | |||
1204 | rval = d * lp->d_secpercyl; | |||
1205 | break; | |||
1206 | case '%': | |||
1207 | rval = DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) * (d / 100.0); | |||
1208 | break; | |||
1209 | case '&': | |||
1210 | rval = maxval * (d / 100.0); | |||
1211 | break; | |||
1212 | default: | |||
1213 | if (apply_unit(d, *unit, &rval) == -1) | |||
1214 | goto invalid; | |||
1215 | rval = DL_BLKTOSEC(lp, rval)((rval) / ((lp)->d_secsize / (1 << 9))); | |||
1216 | break; | |||
1217 | } | |||
1218 | } | |||
1219 | ||||
1220 | /* Range check then apply [+-] operator */ | |||
1221 | if (operator == '+') { | |||
1222 | if (CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1) - oval > rval) | |||
1223 | rval += oval; | |||
1224 | else { | |||
1225 | goto invalid; | |||
1226 | } | |||
1227 | } else if (operator == '-') { | |||
1228 | if (oval >= rval) | |||
1229 | rval = oval - rval; | |||
1230 | else { | |||
1231 | goto invalid; | |||
1232 | } | |||
1233 | } | |||
1234 | } | |||
1235 | ||||
1236 | if (flags != NULL((void *)0)) { | |||
1237 | if (unit != NULL((void *)0)) | |||
1238 | *flags |= DO_ROUNDING0x00000002; | |||
1239 | #ifdef SUN_CYLCHECK | |||
1240 | if (lp->d_flags & D_VENDOR0x08) | |||
1241 | *flags |= DO_ROUNDING0x00000002; | |||
1242 | #endif | |||
1243 | } | |||
1244 | return (rval); | |||
1245 | ||||
1246 | invalid: | |||
1247 | fputs("Invalid entry\n", stderr(&__sF[2])); | |||
1248 | return (CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))); | |||
1249 | } | |||
1250 | ||||
1251 | /* | |||
1252 | * Check for partition overlap in lp and prompt the user to resolve the overlap | |||
1253 | * if any is found. Returns 1 if unable to resolve, else 0. | |||
1254 | */ | |||
1255 | int | |||
1256 | has_overlap(struct disklabel *lp) | |||
1257 | { | |||
1258 | struct partition **spp; | |||
1259 | int i, p1, p2; | |||
1260 | char *line = NULL((void *)0); | |||
1261 | size_t linesize = 0; | |||
1262 | ssize_t linelen; | |||
1263 | ||||
1264 | for (;;) { | |||
1265 | spp = sort_partitions(lp); | |||
1266 | for (i = 0; spp[i+1] != NULL((void *)0); i++) { | |||
1267 | 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) > | |||
1268 | DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset)) | |||
1269 | break; | |||
1270 | } | |||
1271 | if (spp[i+1] == NULL((void *)0)) { | |||
1272 | free(line); | |||
1273 | return (0); | |||
1274 | } | |||
1275 | ||||
1276 | p1 = 'a' + (spp[i] - lp->d_partitions); | |||
1277 | p2 = 'a' + (spp[i+1] - lp->d_partitions); | |||
1278 | printf("\nError, partitions %c and %c overlap:\n", p1, p2); | |||
1279 | printf("# %16.16s %16.16s fstype [fsize bsize cpg]\n", | |||
1280 | "size", "offset"); | |||
1281 | display_partition(stdout(&__sF[1]), lp, p1 - 'a', 0); | |||
1282 | display_partition(stdout(&__sF[1]), lp, p2 - 'a', 0); | |||
1283 | ||||
1284 | for (;;) { | |||
1285 | printf("Disable which one? (%c %c) ", p1, p2); | |||
1286 | linelen = getline(&line, &linesize, stdin(&__sF[0])); | |||
1287 | if (linelen == -1) | |||
1288 | goto done; | |||
1289 | if (linelen == 2 && (line[0] == p1 || line[0] == p2)) | |||
1290 | break; | |||
1291 | } | |||
1292 | lp->d_partitions[line[0] - 'a'].p_fstype = FS_UNUSED0; | |||
1293 | } | |||
1294 | ||||
1295 | done: | |||
1296 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1297 | free(line); | |||
1298 | return (1); | |||
1299 | } | |||
1300 | ||||
1301 | void | |||
1302 | edit_parms(struct disklabel *lp) | |||
1303 | { | |||
1304 | char *p; | |||
1305 | u_int64_t freesectors, ui; | |||
1306 | struct disklabel oldlabel = *lp; | |||
1307 | ||||
1308 | printf("Changing device parameters for %s:\n", specname); | |||
1309 | ||||
1310 | /* disk type */ | |||
1311 | for (;;) { | |||
1312 | p = getstring("disk type", | |||
1313 | "What kind of disk is this? Usually SCSI, ESDI, ST506, or " | |||
1314 | "floppy (use ESDI for IDE).", dktypenames[lp->d_type]); | |||
1315 | if (p == NULL((void *)0)) | |||
1316 | return; | |||
1317 | if (strcasecmp(p, "IDE") == 0) | |||
1318 | ui = DTYPE_ESDI5; | |||
1319 | else | |||
1320 | for (ui = 1; ui < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) && strcasecmp(p, | |||
1321 | dktypenames[ui]); ui++) | |||
1322 | ; | |||
1323 | if (ui < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1)) { | |||
1324 | break; | |||
1325 | } else { | |||
1326 | printf("\"%s\" is not a valid disk type.\n", p); | |||
1327 | fputs("Valid types are: ", stdout(&__sF[1])); | |||
1328 | for (ui = 1; ui < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1); ui++) { | |||
1329 | printf("\"%s\"", dktypenames[ui]); | |||
1330 | if (ui < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) - 1) | |||
1331 | fputs(", ", stdout(&__sF[1])); | |||
1332 | } | |||
1333 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1334 | } | |||
1335 | } | |||
1336 | lp->d_type = ui; | |||
1337 | ||||
1338 | /* pack/label id */ | |||
1339 | p = getstring("label name", | |||
1340 | "15 char string that describes this label, usually the disk name.", | |||
1341 | lp->d_packname); | |||
1342 | if (p == NULL((void *)0)) { | |||
1343 | *lp = oldlabel; /* undo damage */ | |||
1344 | return; | |||
1345 | } | |||
1346 | strncpy(lp->d_packname, p, sizeof(lp->d_packname)); /* checked */ | |||
1347 | ||||
1348 | /* sectors/track */ | |||
1349 | for (;;) { | |||
1350 | ui = getnumber("sectors/track", | |||
1351 | "The Number of sectors per track.", lp->d_nsectors, | |||
1352 | UINT32_MAX0xffffffffU); | |||
1353 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) { | |||
1354 | *lp = oldlabel; /* undo damage */ | |||
1355 | return; | |||
1356 | } else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1357 | ; /* Try again. */ | |||
1358 | else | |||
1359 | break; | |||
1360 | } | |||
1361 | lp->d_nsectors = ui; | |||
1362 | ||||
1363 | /* tracks/cylinder */ | |||
1364 | for (;;) { | |||
1365 | ui = getnumber("tracks/cylinder", | |||
1366 | "The number of tracks per cylinder.", lp->d_ntracks, | |||
1367 | UINT32_MAX0xffffffffU); | |||
1368 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) { | |||
1369 | *lp = oldlabel; /* undo damage */ | |||
1370 | return; | |||
1371 | } else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1372 | ; /* Try again. */ | |||
1373 | else | |||
1374 | break; | |||
1375 | } | |||
1376 | lp->d_ntracks = ui; | |||
1377 | ||||
1378 | /* sectors/cylinder */ | |||
1379 | for (;;) { | |||
1380 | ui = getnumber("sectors/cylinder", | |||
1381 | "The number of sectors per cylinder (Usually sectors/track " | |||
1382 | "* tracks/cylinder).", lp->d_secpercyl, UINT32_MAX0xffffffffU); | |||
1383 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) { | |||
1384 | *lp = oldlabel; /* undo damage */ | |||
1385 | return; | |||
1386 | } else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1387 | ; /* Try again. */ | |||
1388 | else | |||
1389 | break; | |||
1390 | } | |||
1391 | lp->d_secpercyl = ui; | |||
1392 | ||||
1393 | /* number of cylinders */ | |||
1394 | for (;;) { | |||
1395 | ui = getnumber("number of cylinders", | |||
1396 | "The total number of cylinders on the disk.", | |||
1397 | lp->d_ncylinders, UINT32_MAX0xffffffffU); | |||
1398 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) { | |||
1399 | *lp = oldlabel; /* undo damage */ | |||
1400 | return; | |||
1401 | } else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1402 | ; /* Try again. */ | |||
1403 | else | |||
1404 | break; | |||
1405 | } | |||
1406 | lp->d_ncylinders = ui; | |||
1407 | ||||
1408 | /* total sectors */ | |||
1409 | for (;;) { | |||
1410 | u_int64_t nsec = MAXIMUM(DL_GETDSIZE(lp),((((((u_int64_t)(lp)->d_secperunith << 32) + (lp)-> d_secperunit)) > ((u_int64_t)lp->d_ncylinders * lp-> d_secpercyl)) ? ((((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit)) : ((u_int64_t)lp->d_ncylinders * lp->d_secpercyl)) | |||
1411 | (u_int64_t)lp->d_ncylinders * lp->d_secpercyl)((((((u_int64_t)(lp)->d_secperunith << 32) + (lp)-> d_secperunit)) > ((u_int64_t)lp->d_ncylinders * lp-> d_secpercyl)) ? ((((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit)) : ((u_int64_t)lp->d_ncylinders * lp->d_secpercyl)); | |||
1412 | ui = getuint64(lp, "total sectors", | |||
1413 | "The total number of sectors on the disk.", | |||
1414 | nsec, nsec, NULL((void *)0)); | |||
1415 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) { | |||
1416 | *lp = oldlabel; /* undo damage */ | |||
1417 | return; | |||
1418 | } else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1419 | ; /* Try again. */ | |||
1420 | else if (ui > DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) && | |||
1421 | ending_sector == DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )) { | |||
1422 | puts("You may want to increase the size of the 'c' " | |||
1423 | "partition."); | |||
1424 | break; | |||
1425 | } else if (ui < DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) && | |||
1426 | ending_sector == DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )) { | |||
1427 | /* shrink free count */ | |||
1428 | freesectors = editor_countfree(lp); | |||
1429 | if (DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - ui > freesectors) | |||
1430 | fprintf(stderr(&__sF[2]), | |||
1431 | "Not enough free space to shrink by %llu " | |||
1432 | "sectors (only %llu sectors left)\n", | |||
1433 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - ui, freesectors); | |||
1434 | else | |||
1435 | break; | |||
1436 | } else | |||
1437 | break; | |||
1438 | } | |||
1439 | /* Adjust ending_sector if necessary. */ | |||
1440 | if (ending_sector > ui) { | |||
1441 | ending_sector = ui; | |||
1442 | DL_SETBEND(lp, ending_sector)do { u_int64_t __x = (ending_sector); (lp)->d_bendh = __x >> 32; (lp)->d_bend = __x; } while (0); | |||
1443 | } | |||
1444 | DL_SETDSIZE(lp, ui)do { u_int64_t __x = (ui); (lp)->d_secperunith = __x >> 32; (lp)->d_secperunit = __x; } while (0); | |||
1445 | } | |||
1446 | ||||
1447 | struct partition ** | |||
1448 | sort_partitions(struct disklabel *lp) | |||
1449 | { | |||
1450 | static struct partition *spp[MAXPARTITIONS16+2]; | |||
1451 | int i, npartitions; | |||
1452 | ||||
1453 | memset(spp, 0, sizeof(spp)); | |||
1454 | ||||
1455 | for (npartitions = 0, i = 0; i < lp->d_npartitions; i++) { | |||
1456 | if (lp->d_partitions[i].p_fstype != FS_UNUSED0 && | |||
1457 | DL_GETPSIZE(&lp->d_partitions[i])(((u_int64_t)(&lp->d_partitions[i])->p_sizeh << 32) + (&lp->d_partitions[i])->p_size) != 0) | |||
1458 | spp[npartitions++] = &lp->d_partitions[i]; | |||
1459 | } | |||
1460 | ||||
1461 | /* | |||
1462 | * Sort the partitions based on starting offset. | |||
1463 | * This is safe because we guarantee no overlap. | |||
1464 | */ | |||
1465 | if (npartitions > 1) | |||
1466 | if (mergesort((void *)spp, npartitions, sizeof(spp[0]), | |||
1467 | partition_cmp)) | |||
1468 | err(4, "failed to sort partition table"); | |||
1469 | ||||
1470 | return (spp); | |||
1471 | } | |||
1472 | ||||
1473 | /* | |||
1474 | * Get a valid disk type if necessary. | |||
1475 | */ | |||
1476 | void | |||
1477 | getdisktype(struct disklabel *lp, char *banner, char *dev) | |||
1478 | { | |||
1479 | int i; | |||
1480 | char *s; | |||
1481 | const char *def = "SCSI"; | |||
1482 | const struct dtypes { | |||
1483 | const char *dev; | |||
1484 | const char *type; | |||
1485 | } dtypes[] = { | |||
1486 | { "sd", "SCSI" }, | |||
1487 | { "wd", "IDE" }, | |||
1488 | { "fd", "FLOPPY" }, | |||
1489 | { "xd", "SMD" }, | |||
1490 | { "xy", "SMD" }, | |||
1491 | { "hd", "HP-IB" }, | |||
1492 | { "vnd", "VND" }, | |||
1493 | { "svnd", "VND" }, | |||
1494 | { NULL((void *)0), NULL((void *)0) } | |||
1495 | }; | |||
1496 | ||||
1497 | if ((s = basename(dev)) != NULL((void *)0)) { | |||
1498 | if (*s == 'r') | |||
1499 | s++; | |||
1500 | i = strcspn(s, "0123456789"); | |||
1501 | s[i] = '\0'; | |||
1502 | dev = s; | |||
1503 | for (i = 0; dtypes[i].dev != NULL((void *)0); i++) { | |||
1504 | if (strcmp(dev, dtypes[i].dev) == 0) { | |||
1505 | def = dtypes[i].type; | |||
1506 | break; | |||
1507 | } | |||
1508 | } | |||
1509 | } | |||
1510 | ||||
1511 | if (lp->d_type > DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) || lp->d_type == 0) { | |||
1512 | puts(banner); | |||
1513 | puts("Possible values are:"); | |||
1514 | printf("\"IDE\", "); | |||
1515 | for (i = 1; i < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1); i++) { | |||
1516 | printf("\"%s\"", dktypenames[i]); | |||
1517 | if (i < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) - 1) | |||
1518 | fputs(", ", stdout(&__sF[1])); | |||
1519 | } | |||
1520 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1521 | ||||
1522 | for (;;) { | |||
1523 | s = getstring("Disk type", | |||
1524 | "What kind of disk is this? Usually SCSI, IDE, " | |||
1525 | "ESDI, ST506, or floppy.", def); | |||
1526 | if (s == NULL((void *)0)) | |||
1527 | continue; | |||
1528 | if (strcasecmp(s, "IDE") == 0) { | |||
1529 | lp->d_type = DTYPE_ESDI5; | |||
1530 | return; | |||
1531 | } | |||
1532 | for (i = 1; i < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1); i++) | |||
1533 | if (strcasecmp(s, dktypenames[i]) == 0) { | |||
1534 | lp->d_type = i; | |||
1535 | return; | |||
1536 | } | |||
1537 | printf("\"%s\" is not a valid disk type.\n", s); | |||
1538 | fputs("Valid types are: ", stdout(&__sF[1])); | |||
1539 | for (i = 1; i < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1); i++) { | |||
1540 | printf("\"%s\"", dktypenames[i]); | |||
1541 | if (i < DKMAXTYPES(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) - 1) | |||
1542 | fputs(", ", stdout(&__sF[1])); | |||
1543 | } | |||
1544 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
1545 | } | |||
1546 | } | |||
1547 | } | |||
1548 | ||||
1549 | /* | |||
1550 | * Get beginning and ending sectors of the OpenBSD portion of the disk | |||
1551 | * from the user. | |||
1552 | */ | |||
1553 | void | |||
1554 | set_bounds(struct disklabel *lp) | |||
1555 | { | |||
1556 | u_int64_t ui, start_temp; | |||
1557 | ||||
1558 | /* Starting sector */ | |||
1559 | for (;;) { | |||
1560 | ui = getuint64(lp, "Starting sector", | |||
1561 | "The start of the OpenBSD portion of the disk.", | |||
1562 | starting_sector, DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ), NULL((void *)0)); | |||
1563 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
1564 | return; | |||
1565 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1566 | ; /* Try again. */ | |||
1567 | else if (ui >= DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )) | |||
1568 | fprintf(stderr(&__sF[2]), "starting sector must be < %llu\n", | |||
1569 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit )); | |||
1570 | else | |||
1571 | break; | |||
1572 | } | |||
1573 | start_temp = ui; | |||
1574 | ||||
1575 | /* Size */ | |||
1576 | for (;;) { | |||
1577 | ui = getuint64(lp, "Size ('*' for entire disk)", | |||
1578 | "The size of the OpenBSD portion of the disk ('*' for the " | |||
1579 | "entire disk).", ending_sector - starting_sector, | |||
1580 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp, NULL((void *)0)); | |||
1581 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
1582 | return; | |||
1583 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1584 | ; /* Try again. */ | |||
1585 | else if (ui > DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp) | |||
1586 | fprintf(stderr(&__sF[2]), "size must be <= %llu\n", | |||
1587 | DL_GETDSIZE(lp)(((u_int64_t)(lp)->d_secperunith << 32) + (lp)->d_secperunit ) - start_temp); | |||
1588 | else | |||
1589 | break; | |||
1590 | } | |||
1591 | ending_sector = start_temp + ui; | |||
1592 | DL_SETBEND(lp, ending_sector)do { u_int64_t __x = (ending_sector); (lp)->d_bendh = __x >> 32; (lp)->d_bend = __x; } while (0); | |||
1593 | starting_sector = start_temp; | |||
1594 | DL_SETBSTART(lp, starting_sector)do { u_int64_t __x = (starting_sector); (lp)->d_bstarth = __x >> 32; (lp)->d_bstart = __x; } while (0); | |||
1595 | } | |||
1596 | ||||
1597 | /* | |||
1598 | * Allow user to interactively change disklabel UID. | |||
1599 | */ | |||
1600 | void | |||
1601 | set_duid(struct disklabel *lp) | |||
1602 | { | |||
1603 | char *s; | |||
1604 | int i; | |||
1605 | ||||
1606 | printf("The disklabel UID is currently: " | |||
1607 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx\n", | |||
1608 | lp->d_uid[0], lp->d_uid[1], lp->d_uid[2], lp->d_uid[3], | |||
1609 | lp->d_uid[4], lp->d_uid[5], lp->d_uid[6], lp->d_uid[7]); | |||
1610 | ||||
1611 | do { | |||
1612 | s = getstring("duid", "The disklabel UID, given as a 16 " | |||
1613 | "character hexadecimal string.", NULL((void *)0)); | |||
1614 | if (s == NULL((void *)0) || strlen(s) == 0) { | |||
1615 | fputs("Command aborted\n", stderr(&__sF[2])); | |||
1616 | return; | |||
1617 | } | |||
1618 | i = duid_parse(lp, s); | |||
1619 | if (i != 0) | |||
1620 | fputs("Invalid UID entered.\n", stderr(&__sF[2])); | |||
1621 | } while (i != 0); | |||
1622 | } | |||
1623 | ||||
1624 | /* | |||
1625 | * Return a list of the "chunks" of free space available | |||
1626 | */ | |||
1627 | struct diskchunk * | |||
1628 | free_chunks(struct disklabel *lp) | |||
1629 | { | |||
1630 | struct partition **spp; | |||
1631 | static struct diskchunk chunks[MAXPARTITIONS16 + 2]; | |||
1632 | u_int64_t start, stop; | |||
1633 | int i, numchunks; | |||
1634 | ||||
1635 | /* Sort the in-use partitions based on offset */ | |||
1636 | spp = sort_partitions(lp); | |||
1637 | ||||
1638 | /* If there are no partitions, it's all free. */ | |||
1639 | if (spp[0] == NULL((void *)0)) { | |||
1640 | chunks[0].start = starting_sector; | |||
1641 | chunks[0].stop = ending_sector; | |||
1642 | chunks[1].start = chunks[1].stop = 0; | |||
1643 | return (chunks); | |||
1644 | } | |||
1645 | ||||
1646 | /* Find chunks of free space */ | |||
1647 | numchunks = 0; | |||
1648 | if (DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset) > starting_sector) { | |||
1649 | chunks[0].start = starting_sector; | |||
1650 | chunks[0].stop = DL_GETPOFFSET(spp[0])(((u_int64_t)(spp[0])->p_offseth << 32) + (spp[0])-> p_offset); | |||
1651 | numchunks++; | |||
1652 | } | |||
1653 | for (i = 0; spp[i] != NULL((void *)0); i++) { | |||
1654 | 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); | |||
1655 | if (start < starting_sector) | |||
1656 | start = starting_sector; | |||
1657 | else if (start > ending_sector) | |||
1658 | start = ending_sector; | |||
1659 | if (spp[i + 1] != NULL((void *)0)) | |||
1660 | stop = DL_GETPOFFSET(spp[i+1])(((u_int64_t)(spp[i+1])->p_offseth << 32) + (spp[i+1 ])->p_offset); | |||
1661 | else | |||
1662 | stop = ending_sector; | |||
1663 | if (stop < starting_sector) | |||
1664 | stop = starting_sector; | |||
1665 | else if (stop > ending_sector) | |||
1666 | stop = ending_sector; | |||
1667 | if (start < stop) { | |||
1668 | chunks[numchunks].start = start; | |||
1669 | chunks[numchunks].stop = stop; | |||
1670 | numchunks++; | |||
1671 | } | |||
1672 | } | |||
1673 | ||||
1674 | /* Terminate and return */ | |||
1675 | chunks[numchunks].start = chunks[numchunks].stop = 0; | |||
1676 | return (chunks); | |||
1677 | } | |||
1678 | ||||
1679 | void | |||
1680 | find_bounds(struct disklabel *lp) | |||
1681 | { | |||
1682 | starting_sector = DL_GETBSTART(lp)(((u_int64_t)(lp)->d_bstarth << 32) + (lp)->d_bstart ); | |||
1683 | ending_sector = DL_GETBEND(lp)(((u_int64_t)(lp)->d_bendh << 32) + (lp)->d_bend); | |||
1684 | ||||
1685 | if (ending_sector) { | |||
1686 | if (verbose) | |||
1687 | printf("Treating sectors %llu-%llu as the OpenBSD" | |||
1688 | " portion of the disk.\nYou can use the 'b'" | |||
1689 | " command to change this.\n\n", starting_sector, | |||
1690 | ending_sector); | |||
1691 | } | |||
1692 | } | |||
1693 | ||||
1694 | /* | |||
1695 | * Calculate free space. | |||
1696 | */ | |||
1697 | u_int64_t | |||
1698 | editor_countfree(struct disklabel *lp) | |||
1699 | { | |||
1700 | struct diskchunk *chunks; | |||
1701 | u_int64_t freesectors = 0; | |||
1702 | int i; | |||
1703 | ||||
1704 | chunks = free_chunks(lp); | |||
1705 | ||||
1706 | for (i = 0; chunks[i].start != 0 || chunks[i].stop != 0; i++) | |||
1707 | freesectors += chunks[i].stop - chunks[i].start; | |||
1708 | ||||
1709 | return (freesectors); | |||
1710 | } | |||
1711 | ||||
1712 | void | |||
1713 | editor_help(void) | |||
1714 | { | |||
1715 | puts("Available commands:"); | |||
1716 | puts( | |||
1717 | " ? | h - show help n [part] - set mount point\n" | |||
1718 | " A - auto partition all space p [unit] - print partitions\n" | |||
1719 | " a [part] - add partition q - quit & save changes\n" | |||
1720 | " b - set OpenBSD boundaries R [part] - resize auto allocated partition\n" | |||
1721 | " c [part] - change partition size r - display free space\n" | |||
1722 | " D - reset label to default s [path] - save label to file\n" | |||
1723 | " d [part] - delete partition U - undo all changes\n" | |||
1724 | " e - edit drive parameters u - undo last change\n" | |||
1725 | " g [d|u] - [d]isk or [u]ser geometry w - write label to disk\n" | |||
1726 | " i - modify disklabel UID X - toggle expert mode\n" | |||
1727 | " l [unit] - print disk label header x - exit & lose changes\n" | |||
1728 | " M - disklabel(8) man page z - delete all partitions\n" | |||
1729 | " m [part] - modify partition\n" | |||
1730 | "\n" | |||
1731 | "Suffixes can be used to indicate units other than sectors:\n" | |||
1732 | " 'b' (bytes), 'k' (kilobytes), 'm' (megabytes), 'g' (gigabytes) 't' (terabytes)\n" | |||
1733 | " 'c' (cylinders), '%' (% of total disk), '&' (% of free space).\n" | |||
1734 | "Values in non-sector units are truncated to the nearest cylinder boundary."); | |||
1735 | ||||
1736 | } | |||
1737 | ||||
1738 | void | |||
1739 | mpcopy(char **to, char **from) | |||
1740 | { | |||
1741 | int i; | |||
1742 | ||||
1743 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1744 | free(to[i]); | |||
1745 | to[i] = NULL((void *)0); | |||
1746 | if (from[i] != NULL((void *)0)) { | |||
1747 | to[i] = strdup(from[i]); | |||
1748 | if (to[i] == NULL((void *)0)) | |||
1749 | errx(4, "out of memory"); | |||
1750 | } | |||
1751 | } | |||
1752 | } | |||
1753 | ||||
1754 | int | |||
1755 | mpequal(char **mp1, char **mp2) | |||
1756 | { | |||
1757 | int i; | |||
1758 | ||||
1759 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1760 | if (mp1[i] == NULL((void *)0) && mp2[i] == NULL((void *)0)) | |||
1761 | continue; | |||
1762 | ||||
1763 | if ((mp1[i] != NULL((void *)0) && mp2[i] == NULL((void *)0)) || | |||
1764 | (mp1[i] == NULL((void *)0) && mp2[i] != NULL((void *)0)) || | |||
1765 | (strcmp(mp1[i], mp2[i]) != 0)) | |||
1766 | return (0); | |||
1767 | } | |||
1768 | return (1); | |||
1769 | } | |||
1770 | ||||
1771 | void | |||
1772 | mpsave(struct disklabel *lp) | |||
1773 | { | |||
1774 | int i, j; | |||
1775 | char bdev[PATH_MAX1024], *p; | |||
1776 | struct mountinfo mi[MAXPARTITIONS16]; | |||
1777 | FILE *fp; | |||
1778 | u_int8_t fstype; | |||
1779 | ||||
1780 | if (!fstabfile) | |||
1781 | return; | |||
1782 | ||||
1783 | memset(&mi, 0, sizeof(mi)); | |||
1784 | ||||
1785 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1786 | fstype = lp->d_partitions[i].p_fstype; | |||
1787 | if (mountpoints[i] != NULL((void *)0) || fstype == FS_SWAP1) { | |||
1788 | mi[i].mountpoint = mountpoints[i]; | |||
1789 | mi[i].partno = i; | |||
1790 | } | |||
1791 | } | |||
1792 | ||||
1793 | /* Convert specname to bdev */ | |||
1794 | if (uidflag) { | |||
1795 | snprintf(bdev, sizeof(bdev), | |||
1796 | "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx.%c", | |||
1797 | lab.d_uid[0], lab.d_uid[1], lab.d_uid[2], lab.d_uid[3], | |||
1798 | lab.d_uid[4], lab.d_uid[5], lab.d_uid[6], lab.d_uid[7], | |||
1799 | specname[strlen(specname)-1]); | |||
1800 | } else if (strncmp(_PATH_DEV"/dev/", specname, sizeof(_PATH_DEV"/dev/") - 1) == 0 && | |||
1801 | specname[sizeof(_PATH_DEV"/dev/") - 1] == 'r') { | |||
1802 | snprintf(bdev, sizeof(bdev), "%s%s", _PATH_DEV"/dev/", | |||
1803 | &specname[sizeof(_PATH_DEV"/dev/")]); | |||
1804 | } else { | |||
1805 | if ((p = strrchr(specname, '/')) == NULL((void *)0) || *(++p) != 'r') | |||
1806 | return; | |||
1807 | *p = '\0'; | |||
1808 | snprintf(bdev, sizeof(bdev), "%s%s", specname, p + 1); | |||
1809 | *p = 'r'; | |||
1810 | } | |||
1811 | bdev[strlen(bdev) - 1] = '\0'; | |||
1812 | ||||
1813 | /* Sort mountpoints so we don't try to mount /usr/local before /usr */ | |||
1814 | qsort((void *)mi, MAXPARTITIONS16, sizeof(struct mountinfo), micmp); | |||
1815 | ||||
1816 | if ((fp = fopen(fstabfile, "w"))) { | |||
1817 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
1818 | j = mi[i].partno; | |||
1819 | fstype = lp->d_partitions[j].p_fstype; | |||
1820 | if (fstype == FS_SWAP1) { | |||
1821 | fprintf(fp, "%s%c none swap sw\n", bdev, 'a'+j); | |||
1822 | } else if (mi[i].mountpoint) { | |||
1823 | fprintf(fp, "%s%c %s %s rw 1 %d\n", bdev, | |||
1824 | 'a' + j, mi[i].mountpoint, | |||
1825 | fstypesnames[fstype], j == 0 ? 1 : 2); | |||
1826 | } | |||
1827 | } | |||
1828 | fclose(fp); | |||
1829 | } | |||
1830 | } | |||
1831 | ||||
1832 | void | |||
1833 | mpfree(char **mp) | |||
1834 | { | |||
1835 | int part; | |||
1836 | ||||
1837 | if (mp == NULL((void *)0)) | |||
1838 | return; | |||
1839 | ||||
1840 | for (part = 0; part < MAXPARTITIONS16; part++) | |||
1841 | free(mp[part]); | |||
1842 | ||||
1843 | free(mp); | |||
1844 | } | |||
1845 | ||||
1846 | int | |||
1847 | get_offset(struct disklabel *lp, int partno) | |||
1848 | { | |||
1849 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
1850 | u_int64_t ui, offsetalign; | |||
1851 | int flags; | |||
1852 | ||||
1853 | flags = DO_CONVERSIONS0x00000001; | |||
1854 | ui = getuint64(lp, "offset", | |||
1855 | "Starting sector for this partition.", | |||
1856 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), | |||
1857 | DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ), &flags); | |||
1858 | ||||
1859 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1) || ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1860 | return (1); | |||
1861 | #ifdef SUN_AAT0 | |||
1862 | if (partno == 0 && ui != 0) { | |||
1863 | fprintf(stderr(&__sF[2]), "This architecture requires that " | |||
1864 | "partition 'a' start at sector 0.\n"); | |||
1865 | return (1); | |||
1866 | } | |||
1867 | #endif | |||
1868 | opp = *pp; | |||
1869 | DL_SETPOFFSET(pp, ui)do { u_int64_t __x = (ui); (pp)->p_offseth = __x >> 32 ; (pp)->p_offset = __x; } while (0); | |||
1870 | offsetalign = 1; | |||
1871 | if ((flags & DO_ROUNDING0x00000002) != 0 && pp->p_fstype == FS_BSDFFS7) | |||
1872 | offsetalign = lp->d_secpercyl; | |||
1873 | ||||
1874 | if (alignpartition(lp, partno, offsetalign, 1, ROUND_OFFSET_UP0x00000001) == 1) { | |||
1875 | *pp = opp; | |||
1876 | return (1); | |||
1877 | } | |||
1878 | ||||
1879 | if (expert == 1 && quiet == 0 && ui != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )) | |||
1880 | printf("offset rounded to sector %llu\n", DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )); | |||
1881 | ||||
1882 | return (0); | |||
1883 | } | |||
1884 | ||||
1885 | int | |||
1886 | get_size(struct disklabel *lp, int partno) | |||
1887 | { | |||
1888 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
1889 | u_int64_t maxsize, ui, sizealign; | |||
1890 | int flags; | |||
1891 | ||||
1892 | maxsize = max_partition_size(lp, partno); | |||
1893 | flags = DO_CONVERSIONS0x00000001; | |||
1894 | ui = getuint64(lp, "size", "Size of the partition. " | |||
1895 | "You may also say +/- amount for a relative change.", | |||
1896 | DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size), maxsize, &flags); | |||
1897 | ||||
1898 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1) || ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1899 | return (1); | |||
1900 | ||||
1901 | opp = *pp; | |||
1902 | DL_SETPSIZE(pp, ui)do { u_int64_t __x = (ui); (pp)->p_sizeh = __x >> 32 ; (pp)->p_size = __x; } while (0); | |||
1903 | sizealign = 1; | |||
1904 | if ((flags & DO_ROUNDING0x00000002) != 0 && (pp->p_fstype == FS_SWAP1 || | |||
1905 | pp->p_fstype == FS_BSDFFS7)) | |||
1906 | sizealign = lp->d_secpercyl; | |||
1907 | ||||
1908 | if (alignpartition(lp, partno, 1, sizealign, ROUND_SIZE_UP0x00000004) == 1) { | |||
1909 | *pp = opp; | |||
1910 | return (1); | |||
1911 | } | |||
1912 | ||||
1913 | if (expert == 1 && quiet == 0 && ui != DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)) | |||
1914 | printf("size rounded to %llu sectors\n", DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)); | |||
1915 | ||||
1916 | return (0); | |||
1917 | } | |||
1918 | ||||
1919 | int | |||
1920 | get_cpg(struct disklabel *lp, int partno) | |||
1921 | { | |||
1922 | u_int64_t ui; | |||
1923 | struct partition *pp = &lp->d_partitions[partno]; | |||
1924 | ||||
1925 | if (pp->p_fstype != FS_BSDFFS7) | |||
1926 | return (0); | |||
1927 | ||||
1928 | if (pp->p_cpg == 0) | |||
1929 | pp->p_cpg = 1; | |||
1930 | ||||
1931 | if (expert == 0) | |||
1932 | return (0); | |||
1933 | ||||
1934 | for (;;) { | |||
1935 | ui = getnumber("cpg", "Size of partition in fs blocks.", | |||
1936 | pp->p_cpg, USHRT_MAX(32767 *2 +1)); | |||
1937 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
1938 | return (1); | |||
1939 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1940 | ; /* Try again. */ | |||
1941 | else | |||
1942 | break; | |||
1943 | } | |||
1944 | pp->p_cpg = ui; | |||
1945 | return (0); | |||
1946 | } | |||
1947 | ||||
1948 | int | |||
1949 | get_fsize(struct disklabel *lp, int partno) | |||
1950 | { | |||
1951 | struct partition *pp = &lp->d_partitions[partno]; | |||
1952 | u_int64_t ui, bytes; | |||
1953 | u_int32_t frag, fsize; | |||
1954 | ||||
1955 | if (pp->p_fstype != FS_BSDFFS7) | |||
1956 | return (0); | |||
1957 | ||||
1958 | 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))))); | |||
1959 | frag = DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))); | |||
1960 | if (fsize == 0) { | |||
1961 | fsize = 2048; | |||
1962 | frag = 8; | |||
1963 | bytes = DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size) * lp->d_secsize; | |||
1964 | if (bytes > 128ULL * 1024 * 1024 * 1024) | |||
1965 | fsize *= 2; | |||
1966 | if (bytes > 512ULL * 1024 * 1024 * 1024) | |||
1967 | fsize *= 2; | |||
1968 | if (fsize < lp->d_secsize) | |||
1969 | fsize = lp->d_secsize; | |||
1970 | if (fsize > MAXBSIZE(64 * 1024) / frag) | |||
1971 | fsize = MAXBSIZE(64 * 1024) / frag; | |||
1972 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(fsize, frag)((fsize) * (frag) == 0 ? 0 : (((ffs((fsize) * (frag)) - 13) << 3) | (ffs(frag)))); | |||
1973 | } | |||
1974 | ||||
1975 | if (expert == 0) | |||
1976 | return (0); | |||
1977 | ||||
1978 | for (;;) { | |||
1979 | ui = getnumber("fragment size", | |||
1980 | "Size of ffs block fragments. A multiple of the disk " | |||
1981 | "sector-size.", fsize, UINT32_MAX0xffffffffU); | |||
1982 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
1983 | return (1); | |||
1984 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
1985 | ; /* Try again. */ | |||
1986 | else if (ui < lp->d_secsize || (ui % lp->d_secsize) != 0) | |||
1987 | fprintf(stderr(&__sF[2]), "Error: fragment size must be a " | |||
1988 | "multiple of the disk sector size (%d)\n", | |||
1989 | lp->d_secsize); | |||
1990 | else | |||
1991 | break; | |||
1992 | } | |||
1993 | if (ui == 0) | |||
1994 | puts("Zero fragment size implies zero block size"); | |||
1995 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(ui, frag)((ui) * (frag) == 0 ? 0 : (((ffs((ui) * (frag)) - 13) << 3) | (ffs(frag)))); | |||
1996 | return (0); | |||
1997 | } | |||
1998 | ||||
1999 | int | |||
2000 | get_bsize(struct disklabel *lp, int partno) | |||
2001 | { | |||
2002 | u_int64_t ui, frag, fsize; | |||
2003 | struct partition opp, *pp = &lp->d_partitions[partno]; | |||
2004 | u_int64_t offsetalign, sizealign; | |||
2005 | char *p; | |||
2006 | ||||
2007 | if (pp->p_fstype
| |||
2008 | return (0); | |||
2009 | ||||
2010 | /* Avoid dividing by zero... */ | |||
2011 | if (pp->p_fragblock == 0) | |||
2012 | return (1); | |||
2013 | ||||
2014 | opp = *pp; | |||
2015 | if (expert
| |||
2016 | goto align; | |||
2017 | ||||
2018 | 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))))); | |||
2019 | frag = DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))); | |||
2020 | ||||
2021 | for (;;) { | |||
2022 | ui = getnumber("block size", | |||
2023 | "Size of ffs blocks. 1, 2, 4 or 8 times ffs fragment size.", | |||
2024 | fsize * frag, UINT32_MAX0xffffffffU); | |||
2025 | ||||
2026 | /* sanity checks */ | |||
2027 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
2028 | return (1); | |||
2029 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
2030 | ; /* Try again. */ | |||
2031 | else if (ui < getpagesize()) | |||
2032 | fprintf(stderr(&__sF[2]), | |||
2033 | "Error: block size must be at least as big " | |||
2034 | "as page size (%d).\n", getpagesize()); | |||
2035 | else if (ui < fsize || (fsize != ui && fsize * 2 != ui && | |||
2036 | fsize * 4 != ui && fsize * 8 != ui)) | |||
2037 | fprintf(stderr(&__sF[2]), "Error: block size must be 1, 2, 4 or " | |||
2038 | "8 times fragment size (%llu).\n", | |||
2039 | (unsigned long long) fsize); | |||
2040 | else | |||
2041 | break; | |||
2042 | } | |||
2043 | frag = ui / fsize; | |||
2044 | pp->p_fragblock = DISKLABELV1_FFS_FRAGBLOCK(fsize, frag)((fsize) * (frag) == 0 ? 0 : (((ffs((fsize) * (frag)) - 13) << 3) | (ffs(frag)))); | |||
2045 | ||||
2046 | #ifdef SUN_CYLCHECK | |||
2047 | return (0); | |||
2048 | #endif | |||
2049 | p = getstring("Align partition to block size", | |||
2050 | "Round the partition offset and size to multiples of bsize?", "y"); | |||
2051 | if (*p == 'n' || *p == 'N') | |||
2052 | return (0); | |||
2053 | ||||
2054 | align: | |||
2055 | #ifdef SUN_CYLCHECK | |||
2056 | return (0); | |||
2057 | #endif | |||
2058 | sizealign = (DISKLABELV1_FFS_FRAG(pp->p_fragblock)((pp->p_fragblock) == 0 ? 0 : (1 << (((pp->p_fragblock ) & 0x07) - 1))) * | |||
2059 | 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; | |||
2060 | offsetalign = 1; | |||
2061 | if (DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ) != starting_sector) | |||
2062 | offsetalign = sizealign; | |||
2063 | ||||
2064 | if (alignpartition(lp, partno, offsetalign, sizealign, ROUND_OFFSET_UP0x00000001 | | |||
2065 | ROUND_SIZE_DOWN0x00000008 | ROUND_SIZE_OVERLAP0x00000010) == 1) { | |||
2066 | *pp = opp; | |||
2067 | return (1); | |||
2068 | } | |||
2069 | ||||
2070 | if (expert == 1 && quiet == 0 && | |||
2071 | DL_GETPOFFSET(&opp)(((u_int64_t)(&opp)->p_offseth << 32) + (&opp )->p_offset) != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )) | |||
2072 | printf("offset rounded to sector %llu\n", DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )); | |||
2073 | if (expert == 1 && quiet == 0 && DL_GETPSIZE(&opp)(((u_int64_t)(&opp)->p_sizeh << 32) + (&opp) ->p_size) != DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)) | |||
2074 | printf("size rounded to %llu sectors\n", DL_GETPSIZE(pp)(((u_int64_t)(pp)->p_sizeh << 32) + (pp)->p_size)); | |||
2075 | ||||
2076 | return (0); | |||
2077 | } | |||
2078 | ||||
2079 | int | |||
2080 | get_fstype(struct disklabel *lp, int partno) | |||
2081 | { | |||
2082 | char *p; | |||
2083 | u_int64_t ui; | |||
2084 | struct partition *pp = &lp->d_partitions[partno]; | |||
2085 | ||||
2086 | if (pp->p_fstype < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { | |||
2087 | p = getstring("FS type", | |||
2088 | "Filesystem type (usually 4.2BSD or swap)", | |||
2089 | fstypenames[pp->p_fstype]); | |||
2090 | if (p == NULL((void *)0)) { | |||
2091 | return (1); | |||
2092 | } | |||
2093 | for (ui = 0; ui < FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1); ui++) { | |||
2094 | if (!strcasecmp(p, fstypenames[ui])) { | |||
2095 | pp->p_fstype = ui; | |||
2096 | break; | |||
2097 | } | |||
2098 | } | |||
2099 | if (ui >= FSMAXTYPES(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)) { | |||
2100 | printf("Unrecognized filesystem type '%s', treating " | |||
2101 | "as 'unknown'\n", p); | |||
2102 | pp->p_fstype = FS_OTHER10; | |||
2103 | } | |||
2104 | } else { | |||
2105 | for (;;) { | |||
2106 | ui = getnumber("FS type (decimal)", | |||
2107 | "Filesystem type as a decimal number; usually 7 " | |||
2108 | "(4.2BSD) or 1 (swap).", | |||
2109 | pp->p_fstype, UINT8_MAX0xff); | |||
2110 | if (ui == CMD_ABORTED((9223372036854775807LL*2ULL+1ULL) - 1)) | |||
2111 | return (1); | |||
2112 | else if (ui == CMD_BADVALUE((9223372036854775807LL*2ULL+1ULL))) | |||
2113 | ; /* Try again. */ | |||
2114 | else | |||
2115 | break; | |||
2116 | } | |||
2117 | pp->p_fstype = ui; | |||
2118 | } | |||
2119 | return (0); | |||
2120 | } | |||
2121 | ||||
2122 | int | |||
2123 | get_mp(struct disklabel *lp, int partno) | |||
2124 | { | |||
2125 | struct partition *pp = &lp->d_partitions[partno]; | |||
2126 | char *p; | |||
2127 | int i; | |||
2128 | ||||
2129 | if (fstabfile == NULL((void *)0) || | |||
2130 | pp->p_fstype == FS_UNUSED0 || | |||
2131 | pp->p_fstype == FS_SWAP1 || | |||
2132 | pp->p_fstype == FS_BOOT13 || | |||
2133 | pp->p_fstype == FS_OTHER10 || | |||
2134 | pp->p_fstype == FS_RAID19) { | |||
2135 | /* No fstabfile, no names. Not all fstypes can be named */ | |||
2136 | return 0; | |||
2137 | } | |||
2138 | ||||
2139 | for (;;) { | |||
2140 | p = getstring("mount point", | |||
2141 | "Where to mount this filesystem (ie: / /var /usr)", | |||
2142 | mountpoints[partno] ? mountpoints[partno] : "none"); | |||
2143 | if (p == NULL((void *)0)) | |||
2144 | return (1); | |||
2145 | if (strcasecmp(p, "none") == 0) { | |||
2146 | free(mountpoints[partno]); | |||
2147 | mountpoints[partno] = NULL((void *)0); | |||
2148 | break; | |||
2149 | } | |||
2150 | for (i = 0; i < MAXPARTITIONS16; i++) | |||
2151 | if (mountpoints[i] != NULL((void *)0) && i != partno && | |||
2152 | strcmp(p, mountpoints[i]) == 0) | |||
2153 | break; | |||
2154 | if (i < MAXPARTITIONS16) { | |||
2155 | fprintf(stderr(&__sF[2]), "'%c' already being mounted at " | |||
2156 | "'%s'\n", 'a'+i, p); | |||
2157 | break; | |||
2158 | } | |||
2159 | if (*p == '/') { | |||
2160 | /* XXX - might as well realloc */ | |||
2161 | free(mountpoints[partno]); | |||
2162 | if ((mountpoints[partno] = strdup(p)) == NULL((void *)0)) | |||
2163 | errx(4, "out of memory"); | |||
2164 | break; | |||
2165 | } | |||
2166 | fputs("Mount points must start with '/'\n", stderr(&__sF[2])); | |||
2167 | } | |||
2168 | ||||
2169 | return (0); | |||
2170 | } | |||
2171 | ||||
2172 | int | |||
2173 | micmp(const void *a1, const void *a2) | |||
2174 | { | |||
2175 | struct mountinfo *mi1 = (struct mountinfo *)a1; | |||
2176 | struct mountinfo *mi2 = (struct mountinfo *)a2; | |||
2177 | ||||
2178 | /* We want all the NULLs at the end... */ | |||
2179 | if (mi1->mountpoint == NULL((void *)0) && mi2->mountpoint == NULL((void *)0)) | |||
2180 | return (0); | |||
2181 | else if (mi1->mountpoint == NULL((void *)0)) | |||
2182 | return (1); | |||
2183 | else if (mi2->mountpoint == NULL((void *)0)) | |||
2184 | return (-1); | |||
2185 | else | |||
2186 | return (strcmp(mi1->mountpoint, mi2->mountpoint)); | |||
2187 | } | |||
2188 | ||||
2189 | void | |||
2190 | get_geometry(int f, struct disklabel **dgpp) | |||
2191 | { | |||
2192 | struct stat st; | |||
2193 | struct disklabel *disk_geop; | |||
2194 | ||||
2195 | if (fstat(f, &st) == -1) | |||
2196 | err(4, "Can't stat device"); | |||
2197 | ||||
2198 | /* Get disk geometry */ | |||
2199 | if ((disk_geop = calloc(1, sizeof(struct disklabel))) == NULL((void *)0)) | |||
2200 | errx(4, "out of memory"); | |||
2201 | if (ioctl(f, DIOCGPDINFO((unsigned long)0x40000000 | ((sizeof(struct disklabel) & 0x1fff) << 16) | ((('d')) << 8) | ((114))), disk_geop) == -1) | |||
2202 | err(4, "DIOCGPDINFO"); | |||
2203 | *dgpp = disk_geop; | |||
2204 | } | |||
2205 | ||||
2206 | void | |||
2207 | set_geometry(struct disklabel *lp, struct disklabel *dgp, | |||
2208 | struct disklabel *ugp, char *p) | |||
2209 | { | |||
2210 | if (p == NULL((void *)0)) | |||
2211 | p = getstring("[d]isk or [u]ser geometry", | |||
2212 | "Enter 'd' to use the geometry based on what the disk " | |||
2213 | "itself thinks it is, or 'u' to use the geometry that " | |||
2214 | "was found in the label.", | |||
2215 | "d"); | |||
2216 | if (p == NULL((void *)0)) | |||
2217 | return; | |||
2218 | switch (*p) { | |||
2219 | case 'd': | |||
2220 | case 'D': | |||
2221 | if (dgp == NULL((void *)0)) | |||
2222 | fputs("BIOS geometry not defined.\n", stderr(&__sF[2])); | |||
2223 | else { | |||
2224 | lp->d_secsize = dgp->d_secsize; | |||
2225 | lp->d_nsectors = dgp->d_nsectors; | |||
2226 | lp->d_ntracks = dgp->d_ntracks; | |||
2227 | lp->d_ncylinders = dgp->d_ncylinders; | |||
2228 | lp->d_secpercyl = dgp->d_secpercyl; | |||
2229 | DL_SETDSIZE(lp, DL_GETDSIZE(dgp))do { u_int64_t __x = ((((u_int64_t)(dgp)->d_secperunith << 32) + (dgp)->d_secperunit)); (lp)->d_secperunith = __x >> 32; (lp)->d_secperunit = __x; } while (0); | |||
2230 | } | |||
2231 | break; | |||
2232 | case 'u': | |||
2233 | case 'U': | |||
2234 | if (ugp == NULL((void *)0)) | |||
2235 | fputs("BIOS geometry not defined.\n", stderr(&__sF[2])); | |||
2236 | else { | |||
2237 | lp->d_secsize = ugp->d_secsize; | |||
2238 | lp->d_nsectors = ugp->d_nsectors; | |||
2239 | lp->d_ntracks = ugp->d_ntracks; | |||
2240 | lp->d_ncylinders = ugp->d_ncylinders; | |||
2241 | lp->d_secpercyl = ugp->d_secpercyl; | |||
2242 | DL_SETDSIZE(lp, DL_GETDSIZE(ugp))do { u_int64_t __x = ((((u_int64_t)(ugp)->d_secperunith << 32) + (ugp)->d_secperunit)); (lp)->d_secperunith = __x >> 32; (lp)->d_secperunit = __x; } while (0); | |||
2243 | if (dgp != NULL((void *)0) && ugp->d_secsize == dgp->d_secsize && | |||
2244 | ugp->d_nsectors == dgp->d_nsectors && | |||
2245 | ugp->d_ntracks == dgp->d_ntracks && | |||
2246 | ugp->d_ncylinders == dgp->d_ncylinders && | |||
2247 | ugp->d_secpercyl == dgp->d_secpercyl && | |||
2248 | DL_GETDSIZE(ugp)(((u_int64_t)(ugp)->d_secperunith << 32) + (ugp)-> d_secperunit) == DL_GETDSIZE(dgp)(((u_int64_t)(dgp)->d_secperunith << 32) + (dgp)-> d_secperunit)) | |||
2249 | fputs("Note: user geometry is the same as disk " | |||
2250 | "geometry.\n", stderr(&__sF[2])); | |||
2251 | } | |||
2252 | break; | |||
2253 | default: | |||
2254 | fputs("You must enter either 'd' or 'u'.\n", stderr(&__sF[2])); | |||
2255 | break; | |||
2256 | } | |||
2257 | } | |||
2258 | ||||
2259 | void | |||
2260 | zero_partitions(struct disklabel *lp) | |||
2261 | { | |||
2262 | int i; | |||
2263 | ||||
2264 | for (i = 0; i < MAXPARTITIONS16; i++) { | |||
2265 | memset(&lp->d_partitions[i], 0, sizeof(struct partition)); | |||
2266 | free(mountpoints[i]); | |||
2267 | mountpoints[i] = NULL((void *)0); | |||
2268 | } | |||
2269 | ||||
2270 | 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); | |||
2271 | } | |||
2272 | ||||
2273 | u_int64_t | |||
2274 | max_partition_size(struct disklabel *lp, int partno) | |||
2275 | { | |||
2276 | struct partition *pp = &lp->d_partitions[partno]; | |||
2277 | struct diskchunk *chunks; | |||
2278 | u_int64_t maxsize = 0, offset; | |||
2279 | int fstype, i; | |||
2280 | ||||
2281 | fstype = pp->p_fstype; | |||
2282 | pp->p_fstype = FS_UNUSED0; | |||
2283 | chunks = free_chunks(lp); | |||
2284 | pp->p_fstype = fstype; | |||
2285 | ||||
2286 | offset = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); | |||
2287 | for (i = 0; chunks[i].start != 0 || chunks[i].stop != 0; i++) { | |||
2288 | if (offset < chunks[i].start || offset >= chunks[i].stop) | |||
2289 | continue; | |||
2290 | maxsize = chunks[i].stop - offset; | |||
2291 | break; | |||
2292 | } | |||
2293 | return (maxsize); | |||
2294 | } | |||
2295 | ||||
2296 | void | |||
2297 | psize(u_int64_t sz, char unit, struct disklabel *lp) | |||
2298 | { | |||
2299 | double d = scale(sz, unit, lp); | |||
2300 | if (d < 0) | |||
2301 | printf("%llu", sz); | |||
2302 | else | |||
2303 | printf("%.*f%c", unit == 'B' ? 0 : 1, d, unit); | |||
2304 | } | |||
2305 | ||||
2306 | void | |||
2307 | display_edit(struct disklabel *lp, char unit) | |||
2308 | { | |||
2309 | u_int64_t fr; | |||
2310 | int i; | |||
2311 | ||||
2312 | fr = editor_countfree(lp); | |||
2313 | unit = canonical_unit(lp, unit); | |||
2314 | ||||
2315 | printf("OpenBSD area: "); | |||
2316 | psize(starting_sector, 0, lp); | |||
2317 | printf("-"); | |||
2318 | psize(ending_sector, 0, lp); | |||
2319 | printf("; size: "); | |||
2320 | psize(ending_sector - starting_sector, unit, lp); | |||
2321 | printf("; free: "); | |||
2322 | psize(fr, unit, lp); | |||
2323 | ||||
2324 | printf("\n# %16.16s %16.16s fstype [fsize bsize cpg]\n", | |||
2325 | "size", "offset"); | |||
2326 | for (i = 0; i < lp->d_npartitions; i++) | |||
2327 | display_partition(stdout(&__sF[1]), lp, i, unit); | |||
2328 | } | |||
2329 | ||||
2330 | void | |||
2331 | parse_autotable(char *filename) | |||
2332 | { | |||
2333 | FILE *cfile; | |||
2334 | size_t linesize = 0; | |||
2335 | char *line = NULL((void *)0), *buf, *t; | |||
2336 | uint idx = 0, pctsum = 0; | |||
2337 | struct space_allocation *sa; | |||
2338 | ||||
2339 | if ((cfile = fopen(filename, "r")) == NULL((void *)0)) | |||
2340 | err(1, "%s", filename); | |||
2341 | if ((alloc_table = calloc(1, sizeof(struct alloc_table))) == NULL((void *)0)) | |||
2342 | err(1, NULL((void *)0)); | |||
2343 | alloc_table_nitems = 1; | |||
2344 | ||||
2345 | while (getline(&line, &linesize, cfile) != -1) { | |||
2346 | if ((alloc_table[0].table = reallocarray(alloc_table[0].table, | |||
2347 | idx + 1, sizeof(*sa))) == NULL((void *)0)) | |||
2348 | err(1, NULL((void *)0)); | |||
2349 | sa = &(alloc_table[0].table[idx]); | |||
2350 | memset(sa, 0, sizeof(*sa)); | |||
2351 | idx++; | |||
2352 | ||||
2353 | buf = line; | |||
2354 | if ((sa->mp = get_token(&buf)) == NULL((void *)0) || | |||
2355 | (sa->mp[0] != '/' && strcmp(sa->mp, "swap"))) | |||
2356 | errx(1, "%s: parse error on line %u", filename, idx); | |||
2357 | if ((t = get_token(&buf)) == NULL((void *)0) || | |||
2358 | parse_sizerange(t, &sa->minsz, &sa->maxsz) == -1) | |||
2359 | errx(1, "%s: parse error on line %u", filename, idx); | |||
2360 | if ((t = get_token(&buf)) != NULL((void *)0) && | |||
2361 | parse_pct(t, &sa->rate) == -1) | |||
2362 | errx(1, "%s: parse error on line %u", filename, idx); | |||
2363 | if (sa->minsz > sa->maxsz) | |||
2364 | errx(1, "%s: min size > max size on line %u", filename, | |||
2365 | idx); | |||
2366 | pctsum += sa->rate; | |||
2367 | } | |||
2368 | if (pctsum > 100) | |||
2369 | errx(1, "%s: sum of extra space allocation > 100%%", filename); | |||
2370 | alloc_table[0].sz = idx; | |||
2371 | free(line); | |||
2372 | fclose(cfile); | |||
2373 | } | |||
2374 | ||||
2375 | char * | |||
2376 | get_token(char **s) | |||
2377 | { | |||
2378 | char *p, *r; | |||
2379 | size_t tlen = 0; | |||
2380 | ||||
2381 | p = *s; | |||
2382 | while (**s != '\0' && !isspace((u_char)**s)) { | |||
2383 | (*s)++; | |||
2384 | tlen++; | |||
2385 | } | |||
2386 | if (tlen == 0) | |||
2387 | return (NULL((void *)0)); | |||
2388 | ||||
2389 | /* eat whitespace */ | |||
2390 | while (isspace((u_char)**s)) | |||
2391 | (*s)++; | |||
2392 | ||||
2393 | if ((r = strndup(p, tlen)) == NULL((void *)0)) | |||
2394 | err(1, NULL((void *)0)); | |||
2395 | return (r); | |||
2396 | } | |||
2397 | ||||
2398 | int | |||
2399 | apply_unit(double val, u_char unit, u_int64_t *n) | |||
2400 | { | |||
2401 | u_int64_t factor = 1; | |||
2402 | ||||
2403 | switch (tolower(unit)) { | |||
2404 | case 't': | |||
2405 | factor *= 1024; | |||
2406 | /* FALLTHROUGH */ | |||
2407 | case 'g': | |||
2408 | factor *= 1024; | |||
2409 | /* FALLTHROUGH */ | |||
2410 | case 'm': | |||
2411 | factor *= 1024; | |||
2412 | /* FALLTHROUGH */ | |||
2413 | case 'k': | |||
2414 | factor *= 1024; | |||
2415 | break; | |||
2416 | default: | |||
2417 | return (-1); | |||
2418 | } | |||
2419 | ||||
2420 | val *= factor / DEV_BSIZE(1 << 9); | |||
2421 | if (val > ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)) | |||
2422 | return (-1); | |||
2423 | *n = val; | |||
2424 | return (0); | |||
2425 | } | |||
2426 | ||||
2427 | int | |||
2428 | parse_sizespec(const char *buf, double *val, char **unit) | |||
2429 | { | |||
2430 | errno(*__errno()) = 0; | |||
2431 | *val = strtod(buf, unit); | |||
2432 | if (errno(*__errno()) == ERANGE34 || *val < 0 || *val > ULLONG_MAX(9223372036854775807LL*2ULL+1ULL)) | |||
2433 | return (-1); /* too big/small */ | |||
2434 | if (*val == 0 && *unit == buf) | |||
2435 | return (-1); /* No conversion performed. */ | |||
2436 | if (*unit != NULL((void *)0) && *unit[0] == '\0') | |||
2437 | *unit = NULL((void *)0); | |||
2438 | return (0); | |||
2439 | } | |||
2440 | ||||
2441 | int | |||
2442 | parse_sizerange(char *buf, u_int64_t *min, u_int64_t *max) | |||
2443 | { | |||
2444 | char *p, *unit1 = NULL((void *)0), *unit2 = NULL((void *)0); | |||
2445 | double val1 = 0, val2 = 0; | |||
2446 | ||||
2447 | if ((p = strchr(buf, '-')) != NULL((void *)0)) { | |||
2448 | p[0] = '\0'; | |||
2449 | p++; | |||
2450 | } | |||
2451 | *max = 0; | |||
2452 | if (parse_sizespec(buf, &val1, &unit1) == -1) | |||
2453 | return (-1); | |||
2454 | if (p != NULL((void *)0) && p[0] != '\0') { | |||
2455 | if (p[0] == '*') | |||
2456 | *max = -1; | |||
2457 | else | |||
2458 | if (parse_sizespec(p, &val2, &unit2) == -1) | |||
2459 | return (-1); | |||
2460 | } | |||
2461 | if (unit1 == NULL((void *)0) && (unit1 = unit2) == NULL((void *)0)) | |||
2462 | return (-1); | |||
2463 | if (apply_unit(val1, unit1[0], min) == -1) | |||
2464 | return (-1); | |||
2465 | if (val2 > 0) { | |||
2466 | if (apply_unit(val2, unit2[0], max) == -1) | |||
2467 | return (-1); | |||
2468 | } else | |||
2469 | if (*max == 0) | |||
2470 | *max = *min; | |||
2471 | free(buf); | |||
2472 | return (0); | |||
2473 | } | |||
2474 | ||||
2475 | int | |||
2476 | parse_pct(char *buf, int *n) | |||
2477 | { | |||
2478 | const char *errstr; | |||
2479 | ||||
2480 | if (buf[strlen(buf) - 1] == '%') | |||
2481 | buf[strlen(buf) - 1] = '\0'; | |||
2482 | *n = strtonum(buf, 0, 100, &errstr); | |||
2483 | if (errstr) { | |||
2484 | warnx("parse percent %s: %s", buf, errstr); | |||
2485 | return (-1); | |||
2486 | } | |||
2487 | free(buf); | |||
2488 | return (0); | |||
2489 | } | |||
2490 | ||||
2491 | int | |||
2492 | alignpartition(struct disklabel *lp, int partno, u_int64_t startalign, | |||
2493 | u_int64_t stopalign, int flags) | |||
2494 | { | |||
2495 | struct partition *pp = &lp->d_partitions[partno]; | |||
2496 | struct diskchunk *chunks; | |||
2497 | u_int64_t start, stop, maxstop; | |||
2498 | unsigned int i; | |||
2499 | u_int8_t fstype; | |||
2500 | ||||
2501 | start = DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset ); | |||
2502 | if ((flags & ROUND_OFFSET_UP0x00000001) == ROUND_OFFSET_UP0x00000001) | |||
2503 | start = ((start + startalign - 1) / startalign) * startalign; | |||
| ||||
2504 | else if ((flags & ROUND_OFFSET_DOWN0x00000002) == ROUND_OFFSET_DOWN0x00000002) | |||
2505 | start = (start / startalign) * startalign; | |||
2506 | ||||
2507 | /* Find the chunk that contains 'start'. */ | |||
2508 | fstype = pp->p_fstype; | |||
2509 | pp->p_fstype = FS_UNUSED0; | |||
2510 | chunks = free_chunks(lp); | |||
2511 | pp->p_fstype = fstype; | |||
2512 | for (i = 0; chunks[i].start != 0 || chunks[i].stop != 0; i++) { | |||
2513 | if (start >= chunks[i].start && start < chunks[i].stop) | |||
2514 | break; | |||
2515 | } | |||
2516 | if (chunks[i].stop == 0) { | |||
2517 | fprintf(stderr(&__sF[2]), "'%c' aligned offset %llu lies outside " | |||
2518 | "the OpenBSD bounds or inside another partition\n", | |||
2519 | 'a' + partno, start); | |||
2520 | return (1); | |||
2521 | } | |||
2522 | ||||
2523 | /* Calculate the new 'stop' sector, the sector after the partition. */ | |||
2524 | if ((flags & ROUND_SIZE_OVERLAP0x00000010) == 0) | |||
2525 | maxstop = (chunks[i].stop / stopalign) * stopalign; | |||
2526 | else | |||
2527 | maxstop = (ending_sector / stopalign) * stopalign; | |||
2528 | ||||
2529 | 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); | |||
2530 | if ((flags & ROUND_SIZE_UP0x00000004) == ROUND_SIZE_UP0x00000004) | |||
2531 | stop = ((stop + stopalign - 1) / stopalign) * stopalign; | |||
2532 | else if ((flags & ROUND_SIZE_DOWN0x00000008) == ROUND_SIZE_DOWN0x00000008) | |||
2533 | stop = (stop / stopalign) * stopalign; | |||
2534 | if (stop > maxstop) | |||
2535 | stop = maxstop; | |||
2536 | ||||
2537 | if (stop <= start) { | |||
2538 | fprintf(stderr(&__sF[2]), "not enough space\n"); | |||
2539 | return (1); | |||
2540 | } | |||
2541 | ||||
2542 | if (start != DL_GETPOFFSET(pp)(((u_int64_t)(pp)->p_offseth << 32) + (pp)->p_offset )) | |||
2543 | DL_SETPOFFSET(pp, start)do { u_int64_t __x = (start); (pp)->p_offseth = __x >> 32; (pp)->p_offset = __x; } while (0); | |||
2544 | 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)) | |||
2545 | DL_SETPSIZE(pp, stop - start)do { u_int64_t __x = (stop - start); (pp)->p_sizeh = __x >> 32; (pp)->p_size = __x; } while (0); | |||
2546 | ||||
2547 | return (0); | |||
2548 | } |