return ret;
}
-int llapi_getfacl(char *fname, char *cmd)
+#include <pwd.h>
+#include <grp.h>
+#include <mntent.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <ctype.h>
+
+static int rmtacl_notify(int ops)
{
- struct rmtacl_ioctl_data data;
- char out[RMTACL_SIZE_MAX] = "";
- int fd, rc;
-
- data.cmd = cmd;
- data.cmd_len = strlen(cmd) + 1;
- data.res = out;
- data.res_len = sizeof(out);
-
- fd = open(fname, 0);
- if (fd == -1) {
- llapi_err(LLAPI_MSG_ERROR,"open %s failed", fname);
+ FILE *fp;
+ struct mntent *mnt;
+ int found = 0, fd, rc;
+
+ fp = setmntent(MOUNTED, "r");
+ if (fp == NULL) {
+ perror("setmntent");
return -1;
}
- rc = ioctl(fd, LL_IOC_GETFACL, &data);
- close(fd);
- if (errno == EBADE) {
- llapi_err(LLAPI_MSG_ERROR, "Please use getfacl directly!");
- rc = 1;
- } else if (rc) {
- llapi_err(LLAPI_MSG_ERROR,"getfacl %s failed", fname);
+ while (1) {
+ mnt = getmntent(fp);
+ if (!mnt)
+ break;
+
+ if (!llapi_is_lustre_mnt(mnt))
+ continue;
+
+ fd = open(mnt->mnt_dir, O_RDONLY | O_DIRECTORY);
+ if (fd < 0) {
+ perror("open");
+ return -1;
+ }
+
+ rc = ioctl(fd, LL_IOC_RMTACL, ops);
+ if (rc < 0) {
+ perror("ioctl");
+ return -1;
+ }
+
+ found++;
+ }
+ endmntent(fp);
+ return found;
+}
+
+static char *next_token(char *p, int div)
+{
+ if (p == NULL)
+ return NULL;
+
+ if (div)
+ while (*p && *p != ':' && !isspace(*p))
+ p++;
+ else
+ while (*p == ':' || isspace(*p))
+ p++;
+
+ return *p ? p : NULL;
+}
+
+static int rmtacl_name2id(char *name, int is_user)
+{
+ if (is_user) {
+ struct passwd *pw;
+
+ if ((pw = getpwnam(name)) == NULL)
+ return INVALID_ID;
+ else
+ return (int)(pw->pw_uid);
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", out);
+ struct group *gr;
+
+ if ((gr = getgrnam(name)) == NULL)
+ return INVALID_ID;
+ else
+ return (int)(gr->gr_gid);
}
+}
- return rc;
+static int isodigit(int c)
+{
+ return (c >= '0' && c <= '7') ? 1 : 0;
+}
+
+/*
+ * Whether the name is just digits string (uid/gid) already or not.
+ * Return value:
+ * 1: str is id
+ * 0: str is not id
+ */
+static int str_is_id(char *str)
+{
+ if (str == NULL)
+ return 0;
+
+ if (*str == '0') {
+ str++;
+ if (*str == 'x' || *str == 'X') { /* for Hex. */
+ if (!isxdigit(*(++str)))
+ return 0;
+
+ while (isxdigit(*(++str)));
+ } else if (isodigit(*str)) { /* for Oct. */
+ while (isodigit(*(++str)));
+ }
+ } else if (isdigit(*str)) { /* for Dec. */
+ while (isdigit(*(++str)));
+ }
+
+ return (*str == 0) ? 1 : 0;
}
-int llapi_setfacl(char *fname, char *cmd)
+typedef struct {
+ char *name;
+ int length;
+ int is_user;
+ int next_token;
+} rmtacl_name_t;
+
+#define RMTACL_OPTNAME(name) name, sizeof(name) - 1
+
+static rmtacl_name_t rmtacl_namelist[] = {
+ { RMTACL_OPTNAME("user:"), 1, 0 },
+ { RMTACL_OPTNAME("group:"), 0, 0 },
+ { RMTACL_OPTNAME("default:user:"), 1, 0 },
+ { RMTACL_OPTNAME("default:group:"), 0, 0 },
+ /* for --tabular option */
+ { RMTACL_OPTNAME("user"), 1, 1 },
+ { RMTACL_OPTNAME("group"), 0, 1 },
+ { 0 }
+};
+
+static int rgetfacl_output(char *str)
{
- struct rmtacl_ioctl_data data;
- char out[RMTACL_SIZE_MAX] = "";
- int fd, rc;
-
- data.cmd = cmd;
- data.cmd_len = strlen(cmd) + 1;
- data.res = out;
- data.res_len = sizeof(out);
-
- fd = open(fname, 0);
- if (fd == -1) {
- llapi_err(LLAPI_MSG_ERROR,"open %s failed", fname);
+ char *start = NULL, *end = NULL;
+ int is_user = 0, n, id;
+ char c;
+ rmtacl_name_t *rn;
+
+ if (str == NULL)
return -1;
+
+ for (rn = rmtacl_namelist; rn->name; rn++) {
+ if(strncmp(str, rn->name, rn->length) == 0) {
+ if (!rn->next_token)
+ start = str + rn->length;
+ else
+ start = next_token(str + rn->length, 0);
+ is_user = rn->is_user;
+ break;
+ }
}
- rc = ioctl(fd, LL_IOC_SETFACL, &data);
- close(fd);
- if (errno == EBADE) {
- llapi_err(LLAPI_MSG_ERROR, "Please use setfacl directly!");
- rc = 1;
- } else if (errno == EOPNOTSUPP) {
- llapi_err(LLAPI_MSG_ERROR, "setfacl: %s: %s", fname);
- rc = 1;
- } else if (rc) {
- llapi_err(LLAPI_MSG_ERROR,"setfacl %s failed", fname);
+ end = next_token(start, 1);
+ if (end == NULL || start == end) {
+ n = printf("%s", str);
+ return n;
+ }
+
+ c = *end;
+ *end = 0;
+ id = rmtacl_name2id(start, is_user);
+ if (id == INVALID_ID) {
+ if (str_is_id(start)) {
+ *end = c;
+ n = printf("%s", str);
+ } else
+ return -1;
+ } else if ((id == NOBODY_UID && is_user) ||
+ (id == NOBODY_GID && !is_user)) {
+ *end = c;
+ n = printf("%s", str);
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", out);
+ *end = c;
+ *start = 0;
+ n = printf("%s%d%s", str, id, end);
}
+ return n;
+}
- return rc;
+static int child_status(int status)
+{
+ return WIFEXITED(status) ? WEXITSTATUS(status) : -1;
+}
+
+static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *))
+{
+ pid_t pid = 0;
+ int fd[2], status;
+ FILE *fp;
+ char buf[PIPE_BUF];
+
+ if (output_func) {
+ if (pipe(fd) < 0) {
+ perror("pipe");
+ return -1;
+ }
+
+ if ((pid = fork()) < 0) {
+ perror("fork");
+ close(fd[0]);
+ close(fd[1]);
+ return -1;
+ } else if (!pid) {
+ /* child process redirects its output. */
+ close(fd[0]);
+ close(1);
+ if (dup2(fd[1], 1) < 0) {
+ perror("dup2");
+ close(fd[1]);
+ return -1;
+ }
+ } else {
+ close(fd[1]);
+ }
+ }
+
+ if (!pid) {
+ status = rmtacl_notify(ops);
+ if (status < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
+ }
+
+ /* the following is parent process */
+ if ((fp = fdopen(fd[0], "r")) == NULL) {
+ perror("fdopen");
+ kill(pid, SIGKILL);
+ close(fd[0]);
+ return -1;
+ }
+
+ while (fgets(buf, PIPE_BUF, fp) != NULL) {
+ if (output_func(buf) < 0)
+ fprintf(stderr, "WARNING: unexpected error!\n[%s]\n",
+ buf);
+ }
+ fclose(fp);
+ close(fd[0]);
+
+ if (waitpid(pid, &status, 0) < 0) {
+ perror("waitpid");
+ return -1;
+ }
+
+ return child_status(status);
+}
+
+int llapi_lsetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_LSETFACL, NULL);
+}
+
+int llapi_lgetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_LGETFACL, NULL);
+}
+
+int llapi_rsetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_RSETFACL, NULL);
+}
+
+int llapi_rgetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_RGETFACL, rgetfacl_output);
+}
+
+int llapi_cp(int argc, char *argv[])
+{
+ int rc;
+
+ rc = rmtacl_notify(RMT_RSETFACL);
+ if (rc < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
+}
+
+int llapi_ls(int argc, char *argv[])
+{
+ int rc;
+
+ rc = rmtacl_notify(RMT_LGETFACL);
+ if (rc < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff