* flags */
struct {
- char *name;
+ const char *name;
long flags;
} static mount_options[] = {
// MS_FLAGS set a bit. ~MS_FLAGS disable that bit. 0 flags are NOPs.
#define VECTOR_SIZE(v) (sizeof(v) / sizeof((v)[0]))
/* Append mount options to string */
-static void append_mount_options(char **oldopts, char *newopts)
+static void append_mount_options(char **oldopts, const char *newopts)
{
if (*oldopts && **oldopts) {
/* do not insert options which are already there */
fsname = 0;
if (!mp->mnt_type || !*mp->mnt_type) { /* bind mount */
mp->mnt_fsname = fsname = bb_simplify_path(mp->mnt_fsname);
- mp->mnt_type = "bind";
+ mp->mnt_type = (char*)"bind";
}
mp->mnt_freq = mp->mnt_passno = 0;
static struct pmap p = {0, 0, 0, 0};
server_addr->sin_port = PMAPPORT;
+/* glibc 2.4 (still) has pmap_getmaps(struct sockaddr_in *).
+ * I understand it like "IPv6 for this is not 100% ready" */
pmap = pmap_getmaps(server_addr);
if (version > MAX_NFSPROT)
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
- if (fd > 2) close(fd);
+ while (fd > 2) close(fd--);
setsid();
openlog(applet_name, LOG_PID, LOG_DAEMON);
logmode = LOGMODE_SYSLOG;
do_mount: /* perform actual mount */
- mp->mnt_type = "nfs";
+ mp->mnt_type = (char*)"nfs";
retval = mount_it_now(mp, vfsflags, (char*)&data);
goto ret;
// Treat fstype "auto" as unspecified.
- if (mp->mnt_type && !strcmp(mp->mnt_type,"auto")) mp->mnt_type = 0;
+ if (mp->mnt_type && strcmp(mp->mnt_type,"auto") == 0)
+ mp->mnt_type = 0;
// Might this be an CIFS filesystem?
- if (ENABLE_FEATURE_MOUNT_CIFS &&
- (!mp->mnt_type || !strcmp(mp->mnt_type,"cifs")) &&
- (mp->mnt_fsname[0]==mp->mnt_fsname[1] && (mp->mnt_fsname[0]=='/' || mp->mnt_fsname[0]=='\\')))
- {
- struct hostent *he;
- char ip[32], *s;
+ if (ENABLE_FEATURE_MOUNT_CIFS
+ && (!mp->mnt_type || strcmp(mp->mnt_type,"cifs") == 0)
+ && (mp->mnt_fsname[0]=='/' || mp->mnt_fsname[0]=='\\')
+ && mp->mnt_fsname[0]==mp->mnt_fsname[1]
+ ) {
+ len_and_sockaddr *lsa;
+ char *ip, *dotted;
+ char *s;
rc = 1;
// Replace '/' with '\' and verify that unc points to "//server/share".
// get server IP
s = strrchr(mp->mnt_fsname, '\\');
- if (s == mp->mnt_fsname+1) goto report_error;
- *s = 0;
- he = gethostbyname(mp->mnt_fsname+2);
+ if (s <= mp->mnt_fsname+1) goto report_error;
+ *s = '\0';
+ lsa = host2sockaddr(mp->mnt_fsname+2, 0);
*s = '\\';
- if (!he) goto report_error;
+ if (!lsa) goto report_error;
- // Insert ip=... option into string flags. (NOTE: Add IPv6 support.)
+ // insert ip=... option into string flags.
- sprintf(ip, "ip=%d.%d.%d.%d", he->h_addr[0], he->h_addr[1],
- he->h_addr[2], he->h_addr[3]);
+ dotted = xmalloc_sockaddr2dotted_noport(&lsa->sa, lsa->len);
+ ip = xasprintf("ip=%s", dotted);
parse_mount_options(ip, &filteropts);
// compose new unc '\\server-ip\share'
+ // (s => slash after hostname)
- mp->mnt_fsname = xasprintf("\\\\%s%s", ip+3,
- strchr(mp->mnt_fsname+2,'\\'));
+ mp->mnt_fsname = xasprintf("\\\\%s%s", dotted, s);
// lock is required
vfsflags |= MS_MANDLOCK;
- mp->mnt_type = "cifs";
+ mp->mnt_type = (char*)"cifs";
rc = mount_it_now(mp, vfsflags, filteropts);
- if (ENABLE_FEATURE_CLEAN_UP) free(mp->mnt_fsname);
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ free(mp->mnt_fsname);
+ free(ip);
+ free(dotted);
+ free(lsa);
+ }
goto report_error;
}
// Might this be an NFS filesystem?
- if (ENABLE_FEATURE_MOUNT_NFS &&
- (!mp->mnt_type || !strcmp(mp->mnt_type,"nfs")) &&
- strchr(mp->mnt_fsname, ':') != NULL)
- {
+ if (ENABLE_FEATURE_MOUNT_NFS
+ && (!mp->mnt_type || !strcmp(mp->mnt_type,"nfs"))
+ && strchr(mp->mnt_fsname, ':') != NULL
+ ) {
rc = nfsmount(mp, vfsflags, filteropts);
goto report_error;
}
// Look at the file. (Not found isn't a failure for remount, or for
// a synthetic filesystem like proc or sysfs.)
- if (!lstat(mp->mnt_fsname, &st) && !(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE)))
- {
+ if (!lstat(mp->mnt_fsname, &st)
+ && !(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE))
+ ) {
// Do we need to allocate a loopback device for it?
if (ENABLE_FEATURE_MOUNT_LOOP && S_ISREG(st.st_mode)) {
if (mp->mnt_type || (vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE)))
rc = mount_it_now(mp, vfsflags, filteropts);
-
- // Loop through filesystem types until mount succeeds or we run out
-
else {
+ // Loop through filesystem types until mount succeeds
+ // or we run out
/* Initialize list of block backed filesystems. This has to be
* done here so that during "mount -a", mounts after /proc shows up
}
}
-report_error:
- if (ENABLE_FEATURE_CLEAN_UP) free(filteropts);
+ report_error:
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(filteropts);
if (rc && errno == EBUSY && ignore_busy) rc = 0;
if (rc < 0)
const char must_be_root[] = "you must be root";
+int mount_main(int argc, char **argv);
int mount_main(int argc, char **argv)
{
enum { OPT_ALL = 0x10 };
// If we have a shared subtree flag, don't worry about fstab or mtab.
- if (ENABLE_FEATURE_MOUNT_FLAGS &&
- (i & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)))
- {
+ if (ENABLE_FEATURE_MOUNT_FLAGS
+ && (i & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+ ) {
rc = mount("", argv[0], "", i, "");
if (rc) bb_perror_msg_and_die("%s", argv[0]);
goto clean_up;
// Mount this thing.
+ // NFS mounts want this to be xrealloc-able
+ mtcur->mnt_opts = xstrdup(mtcur->mnt_opts);
if (singlemount(mtcur, 1)) {
/* Count number of failed mounts */
rc++;
}
+ free(mtcur->mnt_opts);
}
}
if (ENABLE_FEATURE_CLEAN_UP) endmntent(fstab);
projects / oweals / busybox.git / blobdiff