Mercurial > illumos > illumos-gate
annotate usr/src/cmd/dumpadm/dconf.c @ 13967:92bec6d87f59
3557 dumpvp_size is not updated correctly when a dump zvol's size is changed
3558 setting the volsize on a dump device does not return back ENOSPC
3559 setting a volsize larger than the space available sometimes succeeds
3560 dumpadm should be able to remove a dump device
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Albert Lee <trisk@nexenta.com>
| author | George Wilson <george.wilson@delphix.com> |
|---|---|
| date | Wed, 20 Feb 2013 22:50:16 -0800 |
| parents | ab9ae749152f |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
|
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5 * Common Development and Distribution License (the "License"). |
|
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6 * You may not use this file except in compliance with the License. |
| 0 | 7 * |
| 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 * or http://www.opensolaris.org/os/licensing. | |
| 10 * See the License for the specific language governing permissions | |
| 11 * and limitations under the License. | |
| 12 * | |
| 13 * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 * If applicable, add the following below this CDDL HEADER, with the | |
| 16 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 * | |
| 19 * CDDL HEADER END | |
| 20 */ | |
| 21 /* | |
|
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PSARC/2009/617 Software Events Notification Parameters CLI
Gavin Maltby <gavin.maltby@oracle.com>
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22 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 23 */ |
| 24 | |
| 25 #include <sys/types.h> | |
| 26 #include <sys/stat.h> | |
| 27 #include <sys/swap.h> | |
| 28 #include <sys/dumpadm.h> | |
| 29 #include <sys/utsname.h> | |
| 30 | |
| 31 #include <unistd.h> | |
| 32 #include <string.h> | |
| 33 #include <stdlib.h> | |
| 34 #include <stdio.h> | |
| 35 #include <fcntl.h> | |
| 36 #include <errno.h> | |
| 767 | 37 #include <libdiskmgt.h> |
| 6423 | 38 #include <libzfs.h> |
|
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39 #include <uuid/uuid.h> |
| 0 | 40 |
| 41 #include "dconf.h" | |
| 42 #include "minfree.h" | |
| 43 #include "utils.h" | |
| 44 #include "swap.h" | |
| 45 | |
| 46 typedef struct dc_token { | |
| 47 const char *tok_name; | |
| 48 int (*tok_parse)(dumpconf_t *, char *); | |
| 49 int (*tok_print)(const dumpconf_t *, FILE *); | |
| 50 } dc_token_t; | |
| 51 | |
| 767 | 52 |
| 0 | 53 static int print_device(const dumpconf_t *, FILE *); |
| 54 static int print_savdir(const dumpconf_t *, FILE *); | |
| 55 static int print_content(const dumpconf_t *, FILE *); | |
| 56 static int print_enable(const dumpconf_t *, FILE *); | |
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6828976 Fast Crash Dump
Dave Plauger <Dave.Plauger@Sun.COM>
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57 static int print_csave(const dumpconf_t *, FILE *); |
| 0 | 58 |
| 59 static const dc_token_t tokens[] = { | |
| 60 { "DUMPADM_DEVICE", dconf_str2device, print_device }, | |
| 61 { "DUMPADM_SAVDIR", dconf_str2savdir, print_savdir }, | |
| 62 { "DUMPADM_CONTENT", dconf_str2content, print_content }, | |
| 63 { "DUMPADM_ENABLE", dconf_str2enable, print_enable }, | |
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64 { "DUMPADM_CSAVE", dconf_str2csave, print_csave }, |
| 0 | 65 { NULL, NULL, NULL } |
| 66 }; | |
| 67 | |
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68 static const char DC_STR_ON[] = "on"; /* On string */ |
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69 static const char DC_STR_OFF[] = "off"; /* Off string */ |
| 0 | 70 static const char DC_STR_YES[] = "yes"; /* Enable on string */ |
| 71 static const char DC_STR_NO[] = "no"; /* Enable off string */ | |
| 72 static const char DC_STR_SWAP[] = "swap"; /* Default dump device */ | |
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73 static const char DC_STR_NONE[] = "none"; |
| 0 | 74 |
| 75 /* The pages included in the dump */ | |
| 76 static const char DC_STR_KERNEL[] = "kernel"; /* Kernel only */ | |
| 77 static const char DC_STR_CURPROC[] = "curproc"; /* Kernel + current process */ | |
| 78 static const char DC_STR_ALL[] = "all"; /* All pages */ | |
| 79 | |
| 80 /* | |
| 81 * Permissions and ownership for the configuration file: | |
| 82 */ | |
| 83 #define DC_OWNER 0 /* Uid 0 (root) */ | |
| 84 #define DC_GROUP 1 /* Gid 1 (other) */ | |
| 85 #define DC_PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) /* Mode 0644 */ | |
| 86 | |
| 87 static void | |
| 88 dconf_init(dumpconf_t *dcp, int dcmode) | |
| 89 { | |
| 90 struct utsname ut; | |
| 91 | |
| 92 /* | |
| 93 * Default device for dumps is 'swap' (appropriate swap device), | |
| 94 * and default savecore directory is /var/crash/`uname -n`, | |
| 95 * which is compatible with pre-dumpadm behavior. | |
| 96 */ | |
| 97 (void) strcpy(dcp->dc_device, DC_STR_SWAP); | |
| 98 (void) strcpy(dcp->dc_savdir, "/var/crash"); | |
| 99 | |
| 100 if (uname(&ut) != -1) { | |
| 101 (void) strcat(dcp->dc_savdir, "/"); | |
| 102 (void) strcat(dcp->dc_savdir, ut.nodename); | |
| 103 } | |
| 104 | |
| 105 /* | |
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106 * Default is contents kernel, savecore enabled on reboot, |
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107 * savecore saves compressed core files. |
| 0 | 108 */ |
| 109 dcp->dc_cflags = DUMP_KERNEL; | |
| 110 dcp->dc_enable = DC_ON; | |
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111 dcp->dc_csave = DC_COMPRESSED; |
| 0 | 112 |
| 113 dcp->dc_mode = dcmode; | |
| 114 dcp->dc_conf_fp = NULL; | |
| 115 dcp->dc_conf_fd = -1; | |
| 116 dcp->dc_dump_fd = -1; | |
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117 dcp->dc_readonly = B_FALSE; |
| 0 | 118 } |
| 119 | |
| 120 int | |
| 121 dconf_open(dumpconf_t *dcp, const char *dpath, const char *fpath, int dcmode) | |
| 122 { | |
| 123 char buf[BUFSIZ]; | |
| 124 int line; | |
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125 const char *fpmode = "r+"; |
| 0 | 126 |
| 127 dconf_init(dcp, dcmode); | |
| 128 | |
| 129 if ((dcp->dc_dump_fd = open(dpath, O_RDWR)) == -1) { | |
| 130 warn(gettext("failed to open %s"), dpath); | |
| 131 return (-1); | |
| 132 } | |
| 133 | |
| 134 if ((dcp->dc_conf_fd = open(fpath, O_RDWR | O_CREAT, DC_PERM)) == -1) { | |
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4801
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
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135 /* |
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136 * Attempt to open the file read-only. |
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
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137 */ |
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138 if ((dcp->dc_conf_fd = open(fpath, O_RDONLY)) == -1) { |
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139 warn(gettext("failed to open %s"), fpath); |
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140 return (-1); |
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141 } |
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142 |
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
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143 dcp->dc_readonly = B_TRUE; |
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
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144 fpmode = "r"; |
| 0 | 145 } |
| 146 | |
|
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
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147 if ((dcp->dc_conf_fp = fdopen(dcp->dc_conf_fd, fpmode)) == NULL) { |
| 0 | 148 warn(gettext("failed to open stream for %s"), fpath); |
| 149 return (-1); | |
| 150 } | |
| 151 | |
| 152 /* | |
| 153 * If we're in override mode, the current kernel settings override the | |
| 154 * default settings and anything invalid in the configuration file. | |
| 155 */ | |
| 156 if (dcmode == DC_OVERRIDE) | |
| 157 (void) dconf_getdev(dcp); | |
| 158 | |
| 159 for (line = 1; fgets(buf, BUFSIZ, dcp->dc_conf_fp) != NULL; line++) { | |
| 160 | |
| 161 char name[BUFSIZ], value[BUFSIZ]; | |
| 162 const dc_token_t *tokp; | |
| 163 int len; | |
| 164 | |
| 165 if (buf[0] == '#' || buf[0] == '\n') | |
| 166 continue; | |
| 167 | |
| 168 /* | |
| 169 * Look for "name=value", with optional whitespace on either | |
| 170 * side, terminated by a newline, and consuming the whole line. | |
| 171 */ | |
| 172 /* LINTED - unbounded string specifier */ | |
| 173 if (sscanf(buf, " %[^=]=%s \n%n", name, value, &len) == 2 && | |
| 174 name[0] != '\0' && value[0] != '\0' && len == strlen(buf)) { | |
| 175 /* | |
| 176 * Locate a matching token in the tokens[] table, | |
| 177 * and invoke its parsing function. | |
| 178 */ | |
| 179 for (tokp = tokens; tokp->tok_name != NULL; tokp++) { | |
| 180 if (strcmp(name, tokp->tok_name) == 0) { | |
| 181 if (tokp->tok_parse(dcp, value) == -1) { | |
| 182 warn(gettext("\"%s\", line %d: " | |
| 183 "warning: invalid %s\n"), | |
| 184 fpath, line, name); | |
| 185 } | |
| 186 break; | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 /* | |
| 191 * If we hit the end of the tokens[] table, | |
| 192 * no matching token was found. | |
| 193 */ | |
| 194 if (tokp->tok_name == NULL) { | |
| 195 warn(gettext("\"%s\", line %d: warning: " | |
| 196 "invalid token: %s\n"), fpath, line, name); | |
| 197 } | |
| 198 | |
| 199 } else { | |
| 200 warn(gettext("\"%s\", line %d: syntax error\n"), | |
| 201 fpath, line); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 /* | |
| 206 * If we're not in override mode, the current kernel settings | |
| 207 * override the settings read from the configuration file. | |
| 208 */ | |
| 209 if (dcmode == DC_CURRENT) | |
| 210 return (dconf_getdev(dcp)); | |
| 211 | |
| 212 return (0); | |
| 213 } | |
| 214 | |
| 215 int | |
| 216 dconf_getdev(dumpconf_t *dcp) | |
| 217 { | |
| 218 int status = 0; | |
| 219 | |
| 220 if ((dcp->dc_cflags = ioctl(dcp->dc_dump_fd, DIOCGETCONF, 0)) == -1) { | |
| 221 warn(gettext("failed to get kernel dump settings")); | |
| 222 status = -1; | |
| 223 } | |
| 224 | |
| 225 if (ioctl(dcp->dc_dump_fd, DIOCGETDEV, dcp->dc_device) == -1) { | |
| 226 if (errno != ENODEV) { | |
| 227 warn(gettext("failed to get dump device")); | |
| 228 status = -1; | |
| 229 } else | |
| 230 dcp->dc_device[0] = '\0'; | |
| 231 } | |
| 232 | |
| 233 return (status); | |
| 234 } | |
| 235 | |
| 236 int | |
| 237 dconf_close(dumpconf_t *dcp) | |
| 238 { | |
| 239 if (fclose(dcp->dc_conf_fp) == 0) { | |
| 240 (void) close(dcp->dc_dump_fd); | |
| 241 return (0); | |
| 242 } | |
| 243 return (-1); | |
| 244 } | |
| 245 | |
| 246 int | |
| 247 dconf_write(dumpconf_t *dcp) | |
| 248 { | |
| 249 const dc_token_t *tokp; | |
| 250 | |
| 251 if (fseeko(dcp->dc_conf_fp, (off_t)0, SEEK_SET) == -1) { | |
| 252 warn(gettext("failed to seek config file")); | |
| 253 return (-1); | |
| 254 } | |
| 255 | |
| 256 if (ftruncate(dcp->dc_conf_fd, (off_t)0) == -1) { | |
| 257 warn(gettext("failed to truncate config file")); | |
| 258 return (-1); | |
| 259 } | |
| 260 | |
| 261 (void) fputs("#\n# dumpadm.conf\n#\n" | |
| 262 "# Configuration parameters for system crash dump.\n" | |
| 263 "# Do NOT edit this file by hand -- use dumpadm(1m) instead.\n" | |
| 264 "#\n", dcp->dc_conf_fp); | |
| 265 | |
| 266 for (tokp = tokens; tokp->tok_name != NULL; tokp++) { | |
| 267 if (fprintf(dcp->dc_conf_fp, "%s=", tokp->tok_name) == -1 || | |
| 268 tokp->tok_print(dcp, dcp->dc_conf_fp) == -1) { | |
| 269 warn(gettext("failed to write token")); | |
| 270 return (-1); | |
| 271 } | |
| 272 } | |
| 273 | |
| 274 if (fflush(dcp->dc_conf_fp) != 0) | |
| 275 warn(gettext("warning: failed to flush config file")); | |
| 276 | |
| 277 if (fsync(dcp->dc_conf_fd) == -1) | |
| 278 warn(gettext("warning: failed to sync config file to disk")); | |
| 279 | |
| 280 if (fchmod(dcp->dc_conf_fd, DC_PERM) == -1) | |
| 281 warn(gettext("warning: failed to reset mode on config file")); | |
| 282 | |
| 283 if (fchown(dcp->dc_conf_fd, DC_OWNER, DC_GROUP) == -1) | |
| 284 warn(gettext("warning: failed to reset owner on config file")); | |
| 285 | |
| 286 return (0); | |
| 287 } | |
| 288 | |
| 289 static int | |
| 290 open_stat64(const char *path, struct stat64 *stp) | |
| 291 { | |
| 292 int fd = open64(path, O_RDONLY); | |
| 293 | |
| 294 if (fd >= 0) { | |
| 295 int status = fstat64(fd, stp); | |
| 296 (void) close(fd); | |
| 297 return (status); | |
| 298 } | |
| 299 | |
| 300 return (-1); | |
| 301 } | |
| 302 | |
| 303 static int | |
| 304 dconf_swap_compare(const swapent_t *s1, const swapent_t *s2) | |
| 305 { | |
| 306 struct stat64 st1, st2; | |
| 307 | |
| 308 int prefer_s1 = -1; /* Return value to move s1 left (s1 < s2) */ | |
| 309 int prefer_s2 = 1; /* Return value to move s2 left (s1 > s2) */ | |
| 310 | |
| 311 /* | |
| 312 * First try: open and fstat each swap entry. If either system | |
| 313 * call fails, arbitrarily prefer the other entry. | |
| 314 */ | |
| 315 if (open_stat64(s1->ste_path, &st1) == -1) | |
| 316 return (prefer_s2); | |
| 317 | |
| 318 if (open_stat64(s2->ste_path, &st2) == -1) | |
| 319 return (prefer_s1); | |
| 320 | |
| 321 /* | |
| 322 * Second try: if both entries are block devices, or if | |
| 323 * neither is a block device, prefer the larger. | |
| 324 */ | |
| 325 if (S_ISBLK(st1.st_mode) == S_ISBLK(st2.st_mode)) { | |
| 326 if (st2.st_size > st1.st_size) | |
| 327 return (prefer_s2); | |
| 328 return (prefer_s1); | |
| 329 } | |
| 330 | |
| 331 /* | |
| 332 * Third try: prefer the entry that is a block device. | |
| 333 */ | |
| 334 if (S_ISBLK(st2.st_mode)) | |
| 335 return (prefer_s2); | |
| 336 return (prefer_s1); | |
| 337 } | |
| 338 | |
| 339 static int | |
| 340 dconf_dev_ioctl(dumpconf_t *dcp, int cmd) | |
| 341 { | |
| 342 if (ioctl(dcp->dc_dump_fd, cmd, dcp->dc_device) == 0) | |
| 343 return (0); | |
| 344 | |
| 345 switch (errno) { | |
| 346 case ENOTSUP: | |
| 347 warn(gettext("dumps not supported on %s\n"), dcp->dc_device); | |
| 348 break; | |
| 349 case EBUSY: | |
| 350 warn(gettext("device %s is already in use\n"), dcp->dc_device); | |
| 351 break; | |
| 6423 | 352 case EBADR: |
| 353 /* ZFS pool is too fragmented to support a dump device */ | |
| 354 warn(gettext("device %s is too fragmented to be used as " | |
| 355 "a dump device\n"), dcp->dc_device); | |
| 356 break; | |
| 0 | 357 default: |
| 358 /* | |
| 359 * NOTE: The stmsboot(1M) command's boot-up script parses this | |
| 360 * error to get the dump device name. If you change the format | |
| 361 * of this message, make sure that stmsboot(1M) is in sync. | |
| 362 */ | |
| 363 warn(gettext("cannot use %s as dump device"), dcp->dc_device); | |
| 364 } | |
| 365 return (-1); | |
| 366 } | |
| 367 | |
| 368 int | |
| 767 | 369 dconf_update(dumpconf_t *dcp, int checkinuse) |
| 0 | 370 { |
|
13967
92bec6d87f59
3557 dumpvp_size is not updated correctly when a dump zvol's size is changed
George Wilson <george.wilson@delphix.com>
parents:
12979
diff
changeset
|
371 int oconf; |
| 767 | 372 int error; |
| 373 char *msg; | |
| 374 | |
| 375 error = 0; | |
| 376 | |
| 377 if (checkinuse && (dm_inuse(dcp->dc_device, &msg, DM_WHO_DUMP, | |
|
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4687827 dumpadm should be more tolerant of a read-only /etc/dumpadm.conf
eschrock
parents:
767
diff
changeset
|
378 &error) || error)) { |
| 767 | 379 if (error != 0) { |
| 380 warn(gettext("failed to determine if %s is" | |
| 381 " in use"), dcp->dc_device); | |
| 382 } else { | |
| 383 warn(msg); | |
| 384 free(msg); | |
| 385 return (-1); | |
| 386 } | |
| 387 } | |
| 0 | 388 |
| 389 /* | |
| 390 * Save the existing dump configuration in case something goes wrong. | |
| 391 */ | |
| 392 if ((oconf = ioctl(dcp->dc_dump_fd, DIOCGETCONF, 0)) == -1) { | |
| 393 warn(gettext("failed to get kernel dump configuration")); | |
| 394 return (-1); | |
| 395 } | |
| 396 | |
| 397 oconf &= DUMP_CONTENT; | |
| 398 dcp->dc_cflags &= DUMP_CONTENT; | |
| 399 | |
| 400 if (ioctl(dcp->dc_dump_fd, DIOCSETCONF, dcp->dc_cflags) == -1) { | |
| 401 warn(gettext("failed to update kernel dump configuration")); | |
| 402 return (-1); | |
| 403 } | |
| 404 | |
| 405 if (strcmp(dcp->dc_device, DC_STR_SWAP) == 0) { | |
| 406 swaptbl_t *swt; | |
| 407 int i; | |
| 408 | |
| 409 if ((swt = swap_list()) == NULL) | |
| 410 goto err; | |
| 411 | |
| 412 if (swt->swt_n == 0) { | |
| 413 warn(gettext("no swap devices are available\n")); | |
| 414 free(swt); | |
| 415 goto err; | |
| 416 } | |
| 417 | |
| 418 qsort(&swt->swt_ent[0], swt->swt_n, sizeof (swapent_t), | |
| 419 (int (*)(const void *, const void *))dconf_swap_compare); | |
| 420 | |
| 421 /* | |
| 422 * Iterate through the prioritized list of swap entries, | |
| 423 * trying to configure one as the dump device. | |
| 424 */ | |
| 425 for (i = 0; i < swt->swt_n; i++) { | |
| 426 if (ioctl(dcp->dc_dump_fd, DIOCSETDEV, | |
| 427 swt->swt_ent[i].ste_path) == 0) { | |
| 428 (void) strcpy(dcp->dc_device, | |
| 429 swt->swt_ent[i].ste_path); | |
| 430 break; | |
| 431 } | |
| 432 } | |
| 433 | |
| 434 if (i == swt->swt_n) { | |
| 435 warn(gettext("no swap devices could be configured " | |
| 436 "as the dump device\n")); | |
| 437 free(swt); | |
| 438 goto err; | |
| 439 } | |
| 440 free(swt); | |
| 441 | |
|
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442 } else if (strcmp(dcp->dc_device, DC_STR_NONE) == 0) { |
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443 if (ioctl(dcp->dc_dump_fd, DIOCRMDEV, NULL) == -1) { |
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444 warn(gettext("failed to remove dump device")); |
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445 return (-1); |
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446 } |
| 0 | 447 } else if (dcp->dc_device[0] != '\0') { |
| 448 /* | |
| 449 * If we're not in forcible update mode, then fail the change | |
| 450 * if the selected device cannot be used as the dump device, | |
| 451 * or if it is not big enough to hold the dump. | |
| 452 */ | |
| 453 if (dcp->dc_mode == DC_CURRENT) { | |
| 454 struct stat64 st; | |
| 455 uint64_t d; | |
| 456 | |
| 457 if (dconf_dev_ioctl(dcp, DIOCTRYDEV) == -1) | |
| 458 goto err; | |
| 459 | |
| 460 if (open_stat64(dcp->dc_device, &st) == -1) { | |
| 461 warn(gettext("failed to access %s"), | |
| 462 dcp->dc_device); | |
| 463 goto err; | |
| 464 } | |
| 465 | |
| 6423 | 466 if ((error = zvol_check_dump_config( |
| 467 dcp->dc_device)) > 0) | |
| 468 goto err; | |
| 0 | 469 if (ioctl(dcp->dc_dump_fd, DIOCGETDUMPSIZE, &d) == -1) { |
| 470 warn(gettext("failed to get kernel dump size")); | |
| 471 goto err; | |
| 472 } | |
| 473 | |
| 474 if (st.st_size < d) { | |
| 475 warn(gettext("dump device %s is too small to " | |
| 476 "hold a system dump\ndump size %llu " | |
| 477 "bytes, device size %lld bytes\n"), | |
| 478 dcp->dc_device, d, st.st_size); | |
| 479 goto err; | |
| 480 } | |
| 481 } | |
| 482 | |
| 483 if (dconf_dev_ioctl(dcp, DIOCSETDEV) == -1) | |
| 484 goto err; | |
| 485 } | |
| 486 | |
| 487 /* | |
| 488 * Now that we've updated the dump device, we need to issue another | |
| 489 * ioctl to re-read the config flags to determine whether we | |
| 490 * obtained DUMP_EXCL access on our dump device. | |
| 491 */ | |
| 492 if ((dcp->dc_cflags = ioctl(dcp->dc_dump_fd, DIOCGETCONF, 0)) == -1) { | |
| 493 warn(gettext("failed to re-read kernel dump configuration")); | |
| 494 return (-1); | |
| 495 } | |
| 496 | |
| 497 return (0); | |
| 498 | |
| 499 err: | |
| 500 (void) ioctl(dcp->dc_dump_fd, DIOCSETCONF, oconf); | |
| 501 return (-1); | |
| 502 } | |
| 503 | |
|
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504 int |
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505 dconf_write_uuid(dumpconf_t *dcp) |
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506 { |
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507 char uuidstr[36 + 1]; |
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508 uuid_t uu; |
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509 int err; |
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510 |
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511 uuid_generate(uu); |
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512 uuid_unparse(uu, uuidstr); |
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513 |
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514 err = ioctl(dcp->dc_dump_fd, DIOCSETUUID, uuidstr); |
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515 |
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516 if (err) |
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517 warn(gettext("kernel image uuid write failed")); |
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518 |
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519 return (err == 0); |
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520 } |
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521 |
| 0 | 522 void |
| 523 dconf_print(dumpconf_t *dcp, FILE *fp) | |
| 524 { | |
| 525 u_longlong_t min; | |
| 526 char *content; | |
| 527 | |
| 528 if (dcp->dc_cflags & DUMP_ALL) | |
| 529 content = gettext("all"); | |
| 530 else if (dcp->dc_cflags & DUMP_CURPROC) | |
| 531 content = gettext("kernel and current process"); | |
| 532 else | |
| 533 content = gettext("kernel"); | |
| 534 | |
| 535 (void) fprintf(fp, gettext(" Dump content: %s pages\n"), content); | |
| 536 | |
| 537 if (dcp->dc_device[0] != '\0') { | |
| 538 (void) fprintf(fp, gettext(" Dump device: %s (%s)\n"), | |
| 539 dcp->dc_device, (dcp->dc_cflags & DUMP_EXCL) ? | |
| 540 gettext("dedicated") : gettext("swap")); | |
| 541 } else { | |
| 542 (void) fprintf(fp, gettext(" Dump device: none " | |
| 543 "(dumps disabled)\n")); | |
| 544 } | |
| 545 | |
| 546 (void) fprintf(fp, gettext("Savecore directory: %s"), dcp->dc_savdir); | |
| 547 | |
| 548 if (minfree_read(dcp->dc_savdir, &min) == 0) { | |
| 549 if (min < 1024 || (min % 1024) != 0) | |
| 550 (void) fprintf(fp, gettext(" (minfree = %lluKB)"), min); | |
| 551 else | |
| 552 (void) fprintf(fp, gettext(" (minfree = %lluMB)"), | |
| 553 min / 1024); | |
| 554 } | |
| 555 | |
| 556 (void) fprintf(fp, gettext("\n")); | |
| 557 | |
| 558 (void) fprintf(fp, gettext(" Savecore enabled: %s\n"), | |
| 559 (dcp->dc_enable == DC_OFF) ? gettext("no") : gettext("yes")); | |
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560 (void) fprintf(fp, gettext(" Save compressed: %s\n"), |
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561 (dcp->dc_csave == DC_UNCOMPRESSED) ? gettext("off") : |
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562 gettext("on")); |
| 0 | 563 } |
| 564 | |
| 565 int | |
| 566 dconf_str2device(dumpconf_t *dcp, char *buf) | |
| 567 { | |
| 568 if (strcasecmp(buf, DC_STR_SWAP) == 0) { | |
| 569 (void) strcpy(dcp->dc_device, DC_STR_SWAP); | |
| 570 return (0); | |
| 571 } | |
| 572 | |
|
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573 if (strcasecmp(buf, DC_STR_NONE) == 0) { |
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574 (void) strcpy(dcp->dc_device, DC_STR_NONE); |
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575 return (0); |
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576 } |
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577 |
| 0 | 578 if (valid_abspath(buf)) { |
| 579 (void) strcpy(dcp->dc_device, buf); | |
| 580 return (0); | |
| 581 } | |
| 582 | |
| 583 return (-1); | |
| 584 } | |
| 585 | |
| 586 int | |
| 587 dconf_str2savdir(dumpconf_t *dcp, char *buf) | |
| 588 { | |
| 589 if (valid_abspath(buf)) { | |
| 590 (void) strcpy(dcp->dc_savdir, buf); | |
| 591 return (0); | |
| 592 } | |
| 593 | |
| 594 return (-1); | |
| 595 } | |
| 596 | |
| 597 int | |
| 598 dconf_str2content(dumpconf_t *dcp, char *buf) | |
| 599 { | |
| 600 if (strcasecmp(buf, DC_STR_KERNEL) == 0) { | |
| 601 dcp->dc_cflags = (dcp->dc_cflags & ~DUMP_CONTENT) | DUMP_KERNEL; | |
| 602 return (0); | |
| 603 } | |
| 604 | |
| 605 if (strcasecmp(buf, DC_STR_CURPROC) == 0) { | |
| 606 dcp->dc_cflags = (dcp->dc_cflags & ~DUMP_CONTENT) | | |
| 607 DUMP_CURPROC; | |
| 608 return (0); | |
| 609 } | |
| 610 | |
| 611 if (strcasecmp(buf, DC_STR_ALL) == 0) { | |
| 612 dcp->dc_cflags = (dcp->dc_cflags & ~DUMP_CONTENT) | DUMP_ALL; | |
| 613 return (0); | |
| 614 } | |
| 615 | |
| 616 warn(gettext("invalid dump content type -- %s\n"), buf); | |
| 617 return (-1); | |
| 618 } | |
| 619 | |
| 620 int | |
| 621 dconf_str2enable(dumpconf_t *dcp, char *buf) | |
| 622 { | |
| 623 if (strcasecmp(buf, DC_STR_YES) == 0) { | |
| 624 dcp->dc_enable = DC_ON; | |
| 625 return (0); | |
| 626 } | |
| 627 | |
| 628 if (strcasecmp(buf, DC_STR_NO) == 0) { | |
| 629 dcp->dc_enable = DC_OFF; | |
| 630 return (0); | |
| 631 } | |
| 632 | |
| 633 warn(gettext("invalid enable value -- %s\n"), buf); | |
| 634 return (-1); | |
| 635 } | |
| 636 | |
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637 int |
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638 dconf_str2csave(dumpconf_t *dcp, char *buf) |
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639 { |
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640 if (strcasecmp(buf, DC_STR_ON) == 0) { |
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641 dcp->dc_csave = DC_COMPRESSED; |
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642 return (0); |
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643 } |
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644 |
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645 if (strcasecmp(buf, DC_STR_OFF) == 0) { |
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646 dcp->dc_csave = DC_UNCOMPRESSED; |
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647 return (0); |
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648 } |
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649 |
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650 warn(gettext("invalid save compressed value -- %s\n"), buf); |
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651 return (-1); |
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652 } |
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653 |
| 0 | 654 static int |
| 655 print_content(const dumpconf_t *dcp, FILE *fp) | |
| 656 { | |
| 657 const char *content; | |
| 658 | |
| 659 if (dcp->dc_cflags & DUMP_ALL) | |
| 660 content = DC_STR_ALL; | |
| 661 else if (dcp->dc_cflags & DUMP_CURPROC) | |
| 662 content = DC_STR_CURPROC; | |
| 663 else | |
| 664 content = DC_STR_KERNEL; | |
| 665 | |
| 666 return (fprintf(fp, "%s\n", content)); | |
| 667 } | |
| 668 | |
| 669 static int | |
| 670 print_device(const dumpconf_t *dcp, FILE *fp) | |
| 671 { | |
| 672 return (fprintf(fp, "%s\n", (dcp->dc_device[0] != '\0') ? | |
| 673 dcp->dc_device : DC_STR_SWAP)); | |
| 674 } | |
| 675 | |
| 676 static int | |
| 677 print_enable(const dumpconf_t *dcp, FILE *fp) | |
| 678 { | |
| 679 return (fprintf(fp, "%s\n", (dcp->dc_enable == DC_OFF) ? | |
| 680 DC_STR_NO : DC_STR_YES)); | |
| 681 } | |
| 682 | |
| 683 static int | |
|
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684 print_csave(const dumpconf_t *dcp, FILE *fp) |
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685 { |
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686 return (fprintf(fp, "%s\n", (dcp->dc_csave == DC_COMPRESSED) ? |
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687 DC_STR_ON : DC_STR_OFF)); |
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688 } |
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689 |
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690 static int |
| 0 | 691 print_savdir(const dumpconf_t *dcp, FILE *fp) |
| 692 { | |
| 693 return (fprintf(fp, "%s\n", dcp->dc_savdir)); | |
| 694 } |