diff options
Diffstat (limited to 'sbin/gconcat/gconcat.c')
| -rw-r--r-- | sbin/gconcat/gconcat.c | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/sbin/gconcat/gconcat.c b/sbin/gconcat/gconcat.c deleted file mode 100644 index 7219078..0000000 --- a/sbin/gconcat/gconcat.c +++ /dev/null @@ -1,525 +0,0 @@ -/*- - * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/linker.h> -#include <sys/module.h> -#include <sys/disk.h> -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <limits.h> -#include <paths.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <libgen.h> -#include <assert.h> -#include <libgeom.h> -#include <geom/concat/g_concat.h> - - -enum { - UNSET, - CREATE, - DESTROY, - LABEL, - CLEAR, - LIST -} action = UNSET; - -static const char *comm; -static int force = 0; -static int verbose = 0; - - -static void -usage(void) -{ - fprintf(stderr, - "usage: %s create [-v] name dev1 dev2 [dev3 [...]]\n" - " %s destroy [-fv] name\n" - " %s label [-v] name dev1 dev2 [dev3 [...]]\n" - " %s clear [-v] dev1 [dev2 [...]]\n" - " %s list\n", - comm, comm, comm, comm, comm); - exit(EXIT_FAILURE); -} - -static void -load_module(void) -{ - - if (modfind("g_concat") < 0) { - /* Not present in kernel, try loading it. */ - if (kldload("geom_concat") < 0 || modfind("g_concat") < 0) { - if (errno != EEXIST) { - errx(EXIT_FAILURE, - "geom_concat module not available!"); - } - } - } -} - -/* - * Remove ".concat" suffix if exists. - */ -static void -cut_suffix(char *name) -{ - - for (; *name != '\0'; name++) { - if (strcmp(name, ".concat") == 0) { - *name = '\0'; - return; - } - } -} - -/* - * Add ".concat" suffix if not exists. - */ -static char * -add_suffix(char *name) -{ - char *newname, *s; - size_t size; - - for (s = name; *s != '\0'; s++) { - if (strcmp(s, ".concat") == 0) { - newname = strdup(name); - if (newname == NULL) - errx(EXIT_FAILURE, "no memory"); - return (newname); - } - } - /* 8 == strlen(".concat") + 1 */ - size = strlen(name) + 8; - newname = malloc(size); - if (newname == NULL) - errx(EXIT_FAILURE, "no memory"); - snprintf(newname, size, "%s.concat", name); - - return (newname); -} - -static struct gctl_req * -init_gctl(const char *name, const char *verb) -{ - struct gctl_req *grq; - - grq = gctl_get_handle(); - gctl_ro_param(grq, "verb", -1, verb); - gctl_ro_param(grq, "class", -1, G_CONCAT_CLASS_NAME); - if (name != NULL) - gctl_ro_param(grq, "geom", -1, name); - - return (grq); -} - -static void -concat_create(int argc, char *argv[]) -{ - struct g_concat_metadata md; - struct gctl_req *grq; - const char *errstr; - char buf[256], *s; - unsigned i; - - if (argc < 2) - usage(); - - cut_suffix(argv[0]); - strlcpy(md.md_name, argv[0], sizeof(md.md_name)); - md.md_id = arc4random(); - - argc--; - argv++; - - load_module(); - - if (verbose) - printf("Creating device %s:", md.md_name); - - md.md_all = argc; - grq = init_gctl(NULL, "create device"); - gctl_ro_param(grq, "metadata", sizeof(md), &md); - for (i = 0; i < (unsigned)argc; i++) { - snprintf(buf, sizeof(buf), "disk%u", i); - s = argv[i]; - if (strncmp(s, _PATH_DEV, strlen(_PATH_DEV)) == 0) - s += strlen(_PATH_DEV); - if (verbose) - printf(" %s", s); - gctl_ro_param(grq, buf, -1, s); - } - if (verbose) - printf(".\n"); - errstr = gctl_issue(grq); - if (errstr == NULL) { - gctl_free(grq); - if (verbose) - printf("Done.\n"); - exit(EXIT_SUCCESS); - } - - fprintf(stderr, "%s\n", errstr); - gctl_free(grq); - exit(EXIT_FAILURE); -} - -static void -concat_destroy(int argc, char *argv[]) -{ - struct gctl_req *grq; - const char *errstr; - char *name; - - if (argc != 1) - usage(); - - name = add_suffix(argv[0]); - - if (verbose) - printf("Destroying device %s.\n", name); - - grq = init_gctl(name, "destroy device"); - gctl_ro_param(grq, "force", sizeof(force), &force); - errstr = gctl_issue(grq); - free(name); - if (errstr == NULL) { - gctl_free(grq); - if (verbose) - printf("Done.\n"); - exit(EXIT_SUCCESS); - } - - fprintf(stderr, "%s\n", errstr); - gctl_free(grq); - exit(EXIT_FAILURE); -} - -static void -concat_label(int argc, char *argv[]) -{ - struct g_concat_metadata md; - unsigned sectorsize; - off_t mediasize; - u_char *sector; - int fd, i, status; - - if (argc < 2) - usage(); - - strlcpy(md.md_magic, G_CONCAT_MAGIC, sizeof(md.md_magic)); - md.md_version = G_CONCAT_VERSION; - strlcpy(md.md_name, argv[0], sizeof(md.md_name)); - md.md_id = arc4random(); - - argc--; - argv++; - status = EXIT_SUCCESS; - - md.md_all = argc; - for (i = 0; i < argc; i++) { - fd = open(argv[i], O_WRONLY); - if (fd == -1) { - fprintf(stderr, "Can't open %s: %s.\n", argv[i], - strerror(errno)); - status = EXIT_FAILURE; - continue; - } - if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) < 0) { - fprintf(stderr, "Can't get media size for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - if (ioctl(fd, DIOCGSECTORSIZE, §orsize) < 0) { - fprintf(stderr, "Can't get sector size for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - assert(sectorsize >= sizeof(md)); - sector = malloc(sectorsize); - if (sector == NULL) { - fprintf(stderr, "Can't allocate memory for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - md.md_no = i; - concat_metadata_encode(&md, sector); - if (pwrite(fd, sector, sectorsize, mediasize - sectorsize) != - (ssize_t)sectorsize) { - fprintf(stderr, "Problems with storing metadata on %s: " - "%s.\n", argv[i], strerror(errno)); - status = EXIT_FAILURE; - free(sector); - continue; - } - free(sector); - close(fd); - if (verbose) - printf("Metadata value stored on %s.\n", argv[i]); - } - - load_module(); - - exit(status); -} - -static void -concat_clear(int argc, char *argv[]) -{ - struct g_concat_metadata md; - unsigned sectorsize; - off_t mediasize; - u_char *sector; - int fd, i, status; - - if (argc < 1) - usage(); - - status = EXIT_SUCCESS; - - md.md_all = argc; - for (i = 0; i < argc; i++) { - fd = open(argv[i], O_RDWR); - if (fd == -1) { - fprintf(stderr, "Can't open %s: %s.\n", argv[i], - strerror(errno)); - status = EXIT_FAILURE; - continue; - } - if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) < 0) { - fprintf(stderr, "Can't get media size for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - if (ioctl(fd, DIOCGSECTORSIZE, §orsize) < 0) { - fprintf(stderr, "Can't get sector size for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - assert(sectorsize >= sizeof(md)); - sector = malloc(sectorsize); - if (sector == NULL) { - fprintf(stderr, "Can't allocate memory for %s: %s.\n", - argv[i], strerror(errno)); - status = EXIT_FAILURE; - continue; - } - if (pread(fd, sector, sectorsize, mediasize - sectorsize) != - (ssize_t)sectorsize) { - fprintf(stderr, "Problems with reading metadata from " - "%s: %s.\n", argv[i], strerror(errno)); - status = EXIT_FAILURE; - free(sector); - continue; - } - concat_metadata_decode(sector, &md); - if (strcmp(md.md_magic, G_CONCAT_MAGIC) != 0) { - fprintf(stderr, "Cannot find metadata to clear on " - "%s.\n", argv[i]); - status = EXIT_FAILURE; - free(sector); - continue; - } - bzero(sector, sectorsize); - if (pwrite(fd, sector, sectorsize, mediasize - sectorsize) != - (ssize_t)sectorsize) { - fprintf(stderr, "Problems with clearing metadata on " - "%s: %s.\n", argv[i], strerror(errno)); - status = EXIT_FAILURE; - free(sector); - continue; - } - free(sector); - close(fd); - if (verbose) - printf("Metadata cleared on %s.\n", argv[i]); - } - - exit(status); -} - -static struct gclass * -find_class(struct gmesh *mesh, const char *name) -{ - struct gclass *class; - - LIST_FOREACH(class, &mesh->lg_class, lg_class) { - if (strcmp(class->lg_name, name) == 0) - return (class); - } - - return (NULL); -} - -static const char * -get_conf(struct ggeom *gp, const char *name) -{ - struct gconfig *conf; - - LIST_FOREACH(conf, &gp->lg_config, lg_config) { - if (strcmp(conf->lg_name, name) == 0) - return (conf->lg_val); - } - - return (NULL); -} - -static void -show_config(struct ggeom *gp) -{ - struct gprovider *pp; - struct gconsumer *cp; - - pp = LIST_FIRST(&gp->lg_provider); - if (pp == NULL) - return; - - printf(" NAME: %s\n", pp->lg_name); - printf(" id: %s\n", get_conf(gp, "id")); - printf(" type: %s\n", get_conf(gp, "type")); - printf(" mediasize: %jd\n", pp->lg_mediasize); - printf("sectorsize: %u\n", pp->lg_sectorsize); - printf(" mode: %s\n", pp->lg_mode); - printf(" providers:"); - LIST_FOREACH(cp, &gp->lg_consumer, lg_consumer) { - printf(" %s", cp->lg_provider->lg_name); - } - printf("\n"); -} - -static void -concat_list(void) -{ - struct gmesh mesh; - struct gclass *class; - struct ggeom *gp; - int error; - - error = geom_gettree(&mesh); - if (error != 0) - exit(EXIT_FAILURE); - - class = find_class(&mesh, G_CONCAT_CLASS_NAME); - if (class == NULL) { - geom_deletetree(&mesh); - exit(EXIT_SUCCESS); - } - - LIST_FOREACH(gp, &class->lg_geom, lg_geom) { - show_config(gp); - } - - geom_deletetree(&mesh); - exit(EXIT_SUCCESS); -} - -int -main(int argc, char *argv[]) -{ - int ch; - - comm = basename(argv[0]); - - if (argc < 2) - usage(); - - if (strcasecmp(argv[1], "create") == 0) - action = CREATE; - else if (strcasecmp(argv[1], "destroy") == 0) - action = DESTROY; - else if (strcasecmp(argv[1], "label") == 0) - action = LABEL; - else if (strcasecmp(argv[1], "clear") == 0) - action = CLEAR; - else if (strcasecmp(argv[1], "list") == 0) - action = LIST; - else - usage(); - argv++; - argc--; - - while ((ch = getopt(argc, argv, "fv")) != -1) { - switch (ch) { - case 'f': - if (action != DESTROY) - usage(); - force = 1; - break; - case 'v': - /* -v options is only not permited while listing */ - if (action == LIST) - usage(); - verbose = 1; - break; - default: - usage(); - } - } - argc -= optind; - argv += optind; - - switch (action) { - case CREATE: - concat_create(argc, argv); - /* NOTREACHED */ - break; - case DESTROY: - concat_destroy(argc, argv); - /* NOTREACHED */ - break; - case LABEL: - concat_label(argc, argv); - /* NOTREACHED */ - break; - case CLEAR: - concat_clear(argc, argv); - /* NOTREACHED */ - break; - case LIST: - concat_list(); - /* NOTREACHED */ - break; - case UNSET: - default: - usage(); - /* NOTREACHED */ - } - - exit(EXIT_SUCCESS); -} |
