#include <fcntl.h>
#include <dirent.h>
#include <time.h>
+#include <ctype.h>
+/* For dirname() */
+#include <libgen.h>
#include <lnet/api-support.h>
#include <lnet/lnetctl.h>
static int lfs_setquota(int argc, char **argv);
static int lfs_quota(int argc, char **argv);
#endif
+static int lfs_flushctx(int argc, char **argv);
static int lfs_join(int argc, char **argv);
+static int lfs_getfacl(int argc, char **argv);
+static int lfs_setfacl(int argc, char **argv);
/* all avaialable commands */
command_t cmdlist[] = {
"Create a new file with a specific striping pattern or\n"
"set the default striping pattern on an existing directory or\n"
"delete the default striping pattern from an existing directory\n"
- "usage: setstripe <filename|dirname> <stripe size> <stripe start> <stripe count>\n"
+ "usage: setstripe <filename|dirname> <stripe_size> <stripe_index> <stripe_count>\n"
+ " or \n"
+ " setstripe <filename|dirname> [--size|-s stripe_size]\n"
+ " [--index|-i stripe_index]\n"
+ " [--count|-c stripe_count]\n"
" or \n"
" setstripe -d <dirname> (to delete default striping)\n"
- "\tstripe size: Number of bytes on each OST (0 filesystem default)\n"
- "\tstripe start: OST index of first stripe (-1 filesystem default)\n"
- "\tstripe count: Number of OSTs to stripe over (0 default, -1 all)"},
+ "\tstripe_size: Number of bytes on each OST (0 filesystem default)\n"
+ "\tstripe_index: OST index of first stripe (-1 filesystem default)\n"
+ "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)"},
{"getstripe", lfs_getstripe, 0,
"To list the striping info for a given filename or files in a\n"
"directory or recursively for all files in a directory tree.\n"
{"quota", lfs_quota, 0, "Display disk usage and limits.\n"
"usage: quota [ -o obd_uuid ] [ -u | -g ] [name] <filesystem>"},
#endif
+ {"flushctx", lfs_flushctx, 0, "Flush security context for current user.\n"
+ "usage: flushctx [-k] [mountpoint...]"},
+ {"getfacl", lfs_getfacl, 0,
+ "Get file access control list in remote client.\n"
+ "usage: getfacl [-dRLPvh] file"},
+ {"setfacl", lfs_setfacl, 0,
+ "Set file access control list in remote client.\n"
+ "usage: setfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file"},
{"help", Parser_help, 0, "help"},
{"exit", Parser_quit, 0, "quit"},
{"quit", Parser_quit, 0, "quit"},
long st_size;
int st_offset, st_count;
char *end;
+ int c;
+ int delete = 0;
+ char *stripe_size_arg = NULL;
+ char *stripe_off_arg = NULL;
+ char *stripe_count_arg = NULL;
- if (argc != 5 && argc != 3)
- return CMD_HELP;
-
-
- if (argc == 3) {
- if (strcmp(argv[1], "-d") != 0)
- return CMD_HELP;
+ struct option long_opts[] = {
+ {"size", required_argument, 0, 's'},
+ {"count", required_argument, 0, 'c'},
+ {"index", required_argument, 0, 'i'},
+ {"delete", no_argument, 0, 'd'},
+ {0, 0, 0, 0}
+ };
+ st_size = 0;
+ st_offset = -1;
+ st_count = 0;
+ if (argc == 3 && strcmp(argv[1], "-d") == 0) {
+ /* for compatibility with the existing positional parameter
+ * usage */
fname = argv[2];
- st_size = 0;
- st_offset = -1;
- st_count = 0;
- } else {
+ optind = 2;
+ } else if (argc == 5 &&
+ (argv[2][0] != '-' || isdigit(argv[2][1])) &&
+ (argv[3][0] != '-' || isdigit(argv[3][1])) &&
+ (argv[4][0] != '-' || isdigit(argv[4][1])) ) {
+ /* for compatibility with the existing positional parameter
+ * usage */
fname = argv[1];
+ stripe_size_arg = argv[2];
+ stripe_off_arg = argv[3];
+ stripe_count_arg = argv[4];
+ optind = 4;
+ } else {
+ while ((c = getopt_long(argc, argv, "c:di:s:",
+ long_opts, NULL)) >= 0)
+ {
+ switch (c) {
+ case 0:
+ /* Long options. */
+ break;
+ case 'c':
+ stripe_count_arg = optarg;
+ break;
+ case 'd':
+ /* delete the default striping pattern */
+ delete = 1;
+ break;
+ case 'i':
+ stripe_off_arg = optarg;
+ break;
+ case 's':
+ stripe_size_arg = optarg;
+ break;
+ case '?':
+ return CMD_HELP;
+ default:
+ fprintf(stderr, "error: %s: option '%s' "
+ "unrecognized\n",
+ argv[0], argv[optind - 1]);
+ return CMD_HELP;
+ }
+ }
+ if (optind < argc)
+ fname = argv[optind];
+ else
+ return CMD_HELP;
- /* get the stripe size */
- st_size = strtoul(argv[2], &end, 0);
+
+ if (delete &&
+ (stripe_size_arg != NULL || stripe_off_arg != NULL ||
+ stripe_count_arg != NULL)) {
+ fprintf(stderr, "error: %s: cannot specify -d with "
+ "-s, -c or -i options\n",
+ argv[0]);
+ return CMD_HELP;
+ }
+ }
+ if (optind != argc - 1) {
+ fprintf(stderr, "error: %s: only 1 filename|dirname can be "
+ "specified: '%s'\n",
+ argv[0], argv[argc - 1]);
+ return CMD_HELP;
+ }
+
+ /* get the stripe size */
+ if (stripe_size_arg != NULL) {
+ st_size = strtoul(stripe_size_arg, &end, 0);
if (*end != '\0') {
fprintf(stderr, "error: %s: bad stripe size '%s'\n",
- argv[0], argv[2]);
+ argv[0], stripe_size_arg);
return CMD_HELP;
}
- /* get the stripe offset */
- st_offset = strtoul(argv[3], &end, 0);
+ }
+ /* get the stripe offset */
+ if (stripe_off_arg != NULL) {
+ st_offset = strtoul(stripe_off_arg, &end, 0);
if (*end != '\0') {
fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
- argv[0], argv[3]);
+ argv[0], stripe_off_arg);
return CMD_HELP;
}
- /* get the stripe count */
- st_count = strtoul(argv[4], &end, 0);
+ }
+ /* get the stripe count */
+ if (stripe_count_arg != NULL) {
+ st_count = strtoul(stripe_count_arg, &end, 0);
if (*end != '\0') {
fprintf(stderr, "error: %s: bad stripe count '%s'\n",
- argv[0], argv[4]);
+ argv[0], stripe_count_arg);
return CMD_HELP;
}
}
case 1:
if (strcmp(optarg, "!") == 0)
neg_opt = 2;
- break;
+ break;
case 'A':
xtime = ¶m.atime;
xsign = ¶m.asign;
return CMD_HELP;
};
}
-
+
if (pathstart == -1) {
fprintf(stderr, "error: %s: no filename|pathname\n",
- argv[0]);
+ argv[0]);
return CMD_HELP;
} else if (pathend == -1) {
/* no options */
param.quiet = quiet;
param.maxdepth = recursive ? -1 : 1;
}
-
+
do {
if (new_fashion)
ret = llapi_find(argv[pathstart], ¶m);
if (ret)
fprintf(stderr, "error: %s failed for %s.\n",
argv[0], argv[optind - 1]);
-
return ret;
}
}
#endif /* HAVE_QUOTA_SUPPORT */
+static int flushctx_ioctl(char *mp)
+{
+ int fd, rc;
+
+ fd = open(mp, O_RDONLY);
+ if (fd == -1) {
+ fprintf(stderr, "flushctx: error open %s: %s\n",
+ mp, strerror(errno));
+ return -1;
+ }
+
+ rc = ioctl(fd, LL_IOC_FLUSHCTX);
+ if (rc == -1)
+ fprintf(stderr, "flushctx: error ioctl %s: %s\n",
+ mp, strerror(errno));
+
+ close(fd);
+ return rc;
+}
+
+static int lfs_flushctx(int argc, char **argv)
+{
+ int kdestroy = 0, c;
+ FILE *proc;
+ char procline[PATH_MAX], *line;
+ int rc = 0;
+
+ optind = 0;
+ while ((c = getopt(argc, argv, "k")) != -1) {
+ switch (c) {
+ case 'k':
+ kdestroy = 1;
+ break;
+ default:
+ fprintf(stderr, "error: %s: option '-%c' "
+ "unrecognized\n", argv[0], c);
+ return CMD_HELP;
+ }
+ }
+
+ if (kdestroy)
+ system("kdestroy > /dev/null");
+
+ if (optind >= argc) {
+ /* flush for all mounted lustre fs. */
+ proc = fopen("/proc/mounts", "r");
+ if (!proc) {
+ fprintf(stderr, "error: %s: can't open /proc/mounts\n",
+ argv[0]);
+ return -1;
+ }
+
+ while ((line = fgets(procline, PATH_MAX, proc)) != NULL) {
+ char dev[PATH_MAX];
+ char mp[PATH_MAX];
+ char fs[PATH_MAX];
+
+ if (sscanf(line, "%s %s %s", dev, mp, fs) != 3) {
+ fprintf(stderr, "%s: unexpected format in "
+ "/proc/mounts\n",
+ argv[0]);
+ return -1;
+ }
+
+ if (strcmp(fs, "lustre") != 0)
+ continue;
+ /* we use '@' to determine it's a client. are there
+ * any other better way?
+ */
+ if (strchr(dev, '@') == NULL)
+ continue;
+
+ if (flushctx_ioctl(mp))
+ rc = -1;
+ }
+ } else {
+ /* flush fs as specified */
+ while (optind < argc) {
+ if (flushctx_ioctl(argv[optind++]))
+ rc = -1;
+ }
+ }
+
+ return rc;
+}
+
+/*
+ * We assume one and only one filename is supplied as the
+ * last parameter.
+ */
+static int acl_cmd_parse(int argc, char **argv, char *fname, char *cmd)
+{
+ char *dname, *rpath = NULL;
+ char path[PATH_MAX], cwd[PATH_MAX];
+ FILE *fp;
+ struct mntent *mnt;
+ int i;
+
+ if (argc < 2)
+ return -1;
+
+ /* FIXME the premise is there is no sub-mounted filesystems under this
+ * mounted lustre tree. */
+ strncpy(fname, argv[argc - 1], PATH_MAX);
+
+ /* get path prefix */
+ dname = dirname(fname);
+
+ /* try to resolve the pathname into relative to the root of the mounted
+ * lustre filesystem.
+ */
+ if (getcwd(cwd, sizeof(cwd)) == NULL) {
+ fprintf(stderr, "getcwd %s failed: %s\n", cwd, strerror(errno));
+ return -1;
+ }
+
+ if (chdir(dname) == -1) {
+ fprintf(stderr, "chdir to %s failed: %s\n",
+ dname, strerror(errno));
+ return -1;
+ }
+
+ if (getcwd(path, sizeof(path)) == NULL) {
+ fprintf(stderr, "getcwd %s: %s\n", path, strerror(errno));
+ return -1;
+ }
+
+ if (chdir(cwd) == -1) {
+ fprintf(stderr, "chdir back to %s: %s\n",
+ cwd, strerror(errno));
+ return -1;
+ }
+
+ strncat(path, "/", PATH_MAX);
+ strncpy(fname, argv[argc - 1], PATH_MAX);
+ strncat(path, basename(fname), PATH_MAX);
+
+ fp = setmntent(MOUNTED, "r");
+ if (fp == NULL) {
+ fprintf(stderr, "setmntent %s failed: %s\n",
+ MOUNTED, strerror(errno));
+ return -1;
+ }
+
+ while (1) {
+ mnt = getmntent(fp);
+ if (!mnt)
+ break;
+
+ if (!llapi_is_lustre_mnttype(mnt->mnt_type))
+ continue;
+
+ if (!strncmp(mnt->mnt_dir, path, strlen(mnt->mnt_dir))) {
+ rpath = path + strlen(mnt->mnt_dir);
+ break;
+ }
+ }
+ endmntent(fp);
+
+ /* remove char '/' from rpath to be a relative path */
+ while (rpath && *rpath == '/') rpath++;
+
+ if (!rpath) {
+ fprintf(stderr,
+ "%s: file %s doesn't belong to a lustre file system!\n",
+ argv[0], argv[argc - 1]);
+ return -1;
+ }
+
+ for (i = 0; i < argc - 1; i++) {
+ strncat(cmd, argv[i], PATH_MAX);
+ strncat(cmd, " ", PATH_MAX);
+ }
+ strncat(cmd, *rpath ? rpath : ".", PATH_MAX);
+ strncpy(fname, argv[argc - 1], sizeof(fname));
+
+ return 0;
+}
+
+static int lfs_getfacl(int argc, char **argv)
+{
+ char fname[PATH_MAX] = "", cmd[PATH_MAX] = "";
+
+ if (acl_cmd_parse(argc, argv, fname, cmd))
+ return CMD_HELP;
+
+ return llapi_getfacl(fname, cmd);
+}
+
+static int lfs_setfacl(int argc, char **argv)
+{
+ char fname[PATH_MAX] = "", cmd[PATH_MAX] = "";
+
+ if (acl_cmd_parse(argc, argv, fname, cmd))
+ return CMD_HELP;
+
+ return llapi_setfacl(fname, cmd);
+}
+
int main(int argc, char **argv)
{
int rc;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff