The mount(5) man page states that the noquota, quota, usrquota and

[nfs-utils.git] / utils / mount / mount.c

diff --git a/utils/mount/mount.c b/utils/mount/mount.c
index 94435c88030c3e91b6123cb4924acf124cfc677a..839a3296214ac654aa5738bc33f004ba5003dc31 100644 (file)
--- a/utils/mount/mount.c
+++ b/utils/mount/mount.c
@@ -36,18 +36,21 @@
 #include "nls.h"
 #include "mount_constants.h"
 #include "nfs_paths.h"
+#include "nfs_mntent.h"
 
 #include "nfs_mount.h"
 #include "nfs4_mount.h"
 #include "mount.h"
 #include "error.h"
 #include "network.h"
+#include "stropts.h"
 
 char *progname;
 int nfs_mount_data_version;
 int nomtab;
 int verbose;
 int sloppy;
+int string;
 
 #define FOREGROUND     (0)
 #define BACKGROUND     (1)
@@ -127,6 +130,16 @@ static const struct opt_map opt_map[] = {
   { "diratime", 0, 1, MS_NODIRATIME },  /* Update dir access times */
   { "nodiratime", 0, 0, MS_NODIRATIME },/* Do not update dir access times */
 #endif
+#ifdef MS_RELATIME
+  { "relatime", 0, 0, MS_RELATIME },   /* Update access times relative to
+                      mtime/ctime */
+  { "norelatime", 0, 1, MS_RELATIME }, /* Update access time without regard
+                      to mtime/ctime */
+#endif
+  { "noquota", 0, 0, MS_DUMMY },        /* Don't enforce quota */
+  { "quota", 0, 0, MS_DUMMY },          /* Enforce user quota */
+  { "usrquota", 0, 0, MS_DUMMY },       /* Enforce user quota */
+  { "grpquota", 0, 0, MS_DUMMY },       /* Enforce group quota */
   { NULL,      0, 0, 0         }
 };
 
@@ -173,6 +186,9 @@ static void discover_nfs_mount_data_version(void)
        }
        if (nfs_mount_data_version > NFS_MOUNT_VERSION)
                nfs_mount_data_version = NFS_MOUNT_VERSION;
+       else
+               if (kernel_version > MAKE_VERSION(2, 6, 22))
+                       string++;
 }
 
 static void print_one(char *spec, char *node, char *type, char *opts)
@@ -222,7 +238,7 @@ static int add_mtab(char *spec, char *mount_point, char *fstype,
                        int flags, char *opts, int freq, int pass)
 {
        struct mntent ment;
-       FILE *mtab;
+       mntFILE *mtab;
        int result = EX_FILEIO;
 
        ment.mnt_fsname = spec;
@@ -234,43 +250,45 @@ static int add_mtab(char *spec, char *mount_point, char *fstype,
 
        if (flags & MS_REMOUNT) {
                update_mtab(ment.mnt_dir, &ment);
-               return 0;
+               free(ment.mnt_opts);
+               return EX_SUCCESS;
        }
 
        lock_mtab();
 
-       if ((mtab = setmntent(MOUNTED, "a+")) == NULL) {
-               unlock_mtab();
+       mtab = nfs_setmntent(MOUNTED, "a+");
+       if (mtab == NULL || mtab->mntent_fp == NULL) {
                nfs_error(_("Can't open mtab: %s"),
                                strerror(errno));
                goto fail_unlock;
        }
 
-       if (addmntent(mtab, &ment) == 1) {
+       if (nfs_addmntent(mtab, &ment) == 1) {
                nfs_error(_("Can't write mount entry to mtab: %s"),
                                strerror(errno));
                goto fail_close;
        }
 
-       if (fchmod(fileno(mtab), 0644) == -1) {
+       if (fchmod(fileno(mtab->mntent_fp), 0644) == -1) {
                nfs_error(_("Can't set permissions on mtab: %s"),
                                strerror(errno));
                goto fail_close;
        }
 
-       result = 0;
+       result = EX_SUCCESS;
 
 fail_close:
-       endmntent(mtab);
+       nfs_endmntent(mtab);
 fail_unlock:
        unlock_mtab();
+       free(ment.mnt_opts);
 
        return result;
 }
 
 void mount_usage(void)
 {
-       printf(_("usage: %s remotetarget dir [-rvVwfnsh] [-o nfsoptions]\n"),
+       printf(_("usage: %s remotetarget dir [-rvVwfnsih] [-o nfsoptions]\n"),
                progname);
        printf(_("options:\n"));
        printf(_("\t-r\t\tMount file system readonly\n"));
@@ -370,12 +388,17 @@ static int try_mount(char *spec, char *mount_point, int flags,
 {
        int ret;
 
-       if (strcmp(fs_type, "nfs4") == 0)
-               ret = nfs4mount(spec, mount_point, flags,
-                               extra_opts, fake, bg);
-       else
-               ret = nfsmount(spec, mount_point, flags,
-                               extra_opts, fake, bg);
+       if (string)
+               ret = nfsmount_string(spec, mount_point, fs_type, flags,
+                                       extra_opts, fake, bg);
+       else {
+               if (strcmp(fs_type, "nfs4") == 0)
+                       ret = nfs4mount(spec, mount_point, flags,
+                                       extra_opts, fake, bg);
+               else
+                       ret = nfsmount(spec, mount_point, flags,
+                                       extra_opts, fake, bg);
+       }
 
        if (ret)
                return ret;
@@ -408,7 +431,7 @@ int main(int argc, char *argv[])
                        printf("%s ("PACKAGE_STRING")\n", progname);
                else
                        mount_usage();
-               exit(0);
+               exit(EX_SUCCESS);
        }
 
        if ((argc < 3)) {
@@ -431,7 +454,7 @@ int main(int argc, char *argv[])
                        break;
                case 'V':
                        printf("%s: ("PACKAGE_STRING")\n", progname);
-                       return 0;
+                       exit(EX_SUCCESS);
                case 'w':
                        flags &= ~MS_RDONLY;
                        break;
@@ -453,7 +476,7 @@ int main(int argc, char *argv[])
                case 'h':
                default:
                        mount_usage();
-                       exit(EX_USAGE);
+                       goto out_usage;
                }
        }
 
@@ -462,7 +485,7 @@ int main(int argc, char *argv[])
         */
        if (optind != argc - 2) {
                mount_usage();
-               exit(EX_USAGE);
+               goto out_usage;
        }
 
        if (strcmp(progname, "mount.nfs4") == 0)
@@ -481,7 +504,7 @@ int main(int argc, char *argv[])
                    strcmp(mc->m.mnt_type, fs_type) != 0) {
                        nfs_error(_("%s: permission denied: no match for %s "
                                "found in /etc/fstab"), progname, mount_point);
-                       exit(EX_USAGE);
+                       goto out_usage;
                }
 
                /*
@@ -496,7 +519,7 @@ int main(int argc, char *argv[])
        mount_point = canonicalize(mount_point);
        if (!mount_point) {
                nfs_error(_("%s: no mount point provided"), progname);
-               exit(EX_USAGE);
+               goto out_usage;
        }
        if (mount_point[0] != '/') {
                nfs_error(_("%s: unrecognized mount point %s"),
@@ -523,15 +546,19 @@ int main(int argc, char *argv[])
        mnt_err = try_mount(spec, mount_point, flags, fs_type, &extra_opts,
                                mount_opts, fake, nomtab, FOREGROUND);
        if (mnt_err == EX_BG) {
-               printf(_("mount: backgrounding \"%s\"\n"), spec);
+               printf(_("%s: backgrounding \"%s\"\n"),
+                       progname, spec);
                fflush(stdout);
 
                /*
-                * Parent exits immediately with success.  Make
-                * sure not to free "mount_point"
+                * Parent exits immediately with success.
                 */
-               if (fork() > 0)
-                       exit(0);
+               if (daemon(0, 0)) {
+                       nfs_error(_("%s: failed to start "
+                                       "background process: %s\n"),
+                                               progname, strerror(errno));
+                       exit(EX_FAIL);
+               }
 
                mnt_err = try_mount(spec, mount_point, flags, fs_type,
                                        &extra_opts, mount_opts, fake,
@@ -539,10 +566,15 @@ int main(int argc, char *argv[])
                if (verbose && mnt_err)
                        printf(_("%s: giving up \"%s\"\n"),
                                progname, spec);
-               exit(0);
        }
 
 out:
+       free(mount_opts);
+       free(extra_opts);
        free(mount_point);
        exit(mnt_err);
+
+out_usage:
+       free(mount_opts);
+       exit(EX_USAGE);
 }