mount_it_now() does the actual mount.
*/
-#include "busybox.h"
+#include "libbb.h"
#include <mntent.h>
/* Needed for nfs support only... */
#include <rpc/pmap_clnt.h>
+#if defined(__dietlibc__)
+/* 16.12.2006, Sampo Kellomaki (sampo@iki.fi)
+ * dietlibc-0.30 does not have implementation of getmntent_r() */
+/* OTOH: why we use getmntent_r instead of getmntent? TODO... */
+struct mntent *getmntent_r(FILE* stream, struct mntent* result, char* buffer, int bufsize)
+{
+ /* *** XXX FIXME WARNING: This hack is NOT thread safe. --Sampo */
+ struct mntent* ment = getmntent(stream);
+ memcpy(result, ment, sizeof(struct mntent));
+ return result;
+}
+#endif
+
+
// Not real flags, but we want to be able to check for this.
enum {
MOUNT_USERS = (1<<28)*ENABLE_DESKTOP,
* 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.
USE_FEATURE_MOUNT_FSTAB(
{"defaults", 0},
- {"quiet", 0},
+ /* {"quiet", 0}, - do not filter out, vfat wants to see it */
{"noauto", MOUNT_NOAUTO},
+ {"sw", MOUNT_SWAP},
{"swap", MOUNT_SWAP},
USE_DESKTOP({"user", MOUNT_USERS},)
USE_DESKTOP({"users", MOUNT_USERS},)
{"remount", MS_REMOUNT}, // action flag
};
-#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 */
&& (p[len]==',' || p[len]==0))
goto skip;
p = strchr(p,',');
- if(!p) break;
+ if (!p) break;
p++;
}
p = xasprintf("%s,%.*s", *oldopts, len, newopts);
if (comma) *comma = 0;
// Find this option in mount_options
- for (i = 0; i < VECTOR_SIZE(mount_options); i++) {
+ for (i = 0; i < ARRAY_SIZE(mount_options); i++) {
if (!strcasecmp(mount_options[i].name, options)) {
long fl = mount_options[i].flags;
if (fl < 0) flags &= fl;
}
}
// If unrecognized not NULL, append unrecognized mount options */
- if (unrecognized && i == VECTOR_SIZE(mount_options)) {
+ if (unrecognized && i == ARRAY_SIZE(mount_options)) {
// Add it to strflags, to pass on to kernel
i = *unrecognized ? strlen(*unrecognized) : 0;
*unrecognized = xrealloc(*unrecognized, i+strlen(options)+2);
static llist_t *get_block_backed_filesystems(void)
{
- static const char *const filesystems[] = {
+ static const char filesystems[2][sizeof("/proc/filesystems")] = {
"/etc/filesystems",
"/proc/filesystems",
- 0
};
char *fs, *buf;
llist_t *list = 0;
int i;
FILE *f;
- for (i = 0; filesystems[i]; i++) {
+ for (i = 0; i < 2; i++) {
f = fopen(filesystems[i], "r");
if (!f) continue;
/* If the mount was successful, and we're maintaining an old-style
* mtab file by hand, add the new entry to it now. */
-mtab:
+ mtab:
if (ENABLE_FEATURE_MTAB_SUPPORT && useMtab && !rc && !(vfsflags & MS_REMOUNT)) {
char *fsname;
FILE *mountTable = setmntent(bb_path_mtab_file, "a+");
int i;
- if (!mountTable)
+ if (!mountTable) {
bb_error_msg("no %s",bb_path_mtab_file);
+ goto ret;
+ }
// Add vfs string flags
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;
free(fsname);
}
}
-
+ ret:
return rc;
}
short pc_name_max;
short pc_path_max;
short pc_pipe_buf;
- u_char pc_vdisable;
+ uint8_t pc_vdisable;
char pc_xxx;
short pc_mask[2];
};
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;
nfsvers = 0;
/* parse options */
-
- for (opt = strtok(filteropts, ","); opt; opt = strtok(NULL, ",")) {
+ if (filteropts) for (opt = strtok(filteropts, ","); opt; opt = strtok(NULL, ",")) {
char *opteq = strchr(opt, '=');
if (opteq) {
- const char *const options[] = {
- /* 0 */ "rsize",
- /* 1 */ "wsize",
- /* 2 */ "timeo",
- /* 3 */ "retrans",
- /* 4 */ "acregmin",
- /* 5 */ "acregmax",
- /* 6 */ "acdirmin",
- /* 7 */ "acdirmax",
- /* 8 */ "actimeo",
- /* 9 */ "retry",
- /* 10 */ "port",
- /* 11 */ "mountport",
- /* 12 */ "mounthost",
- /* 13 */ "mountprog",
- /* 14 */ "mountvers",
- /* 15 */ "nfsprog",
- /* 16 */ "nfsvers",
- /* 17 */ "vers",
- /* 18 */ "proto",
- /* 19 */ "namlen",
- /* 20 */ "addr",
- NULL
- };
+ static const char options[] =
+ /* 0 */ "rsize\0"
+ /* 1 */ "wsize\0"
+ /* 2 */ "timeo\0"
+ /* 3 */ "retrans\0"
+ /* 4 */ "acregmin\0"
+ /* 5 */ "acregmax\0"
+ /* 6 */ "acdirmin\0"
+ /* 7 */ "acdirmax\0"
+ /* 8 */ "actimeo\0"
+ /* 9 */ "retry\0"
+ /* 10 */ "port\0"
+ /* 11 */ "mountport\0"
+ /* 12 */ "mounthost\0"
+ /* 13 */ "mountprog\0"
+ /* 14 */ "mountvers\0"
+ /* 15 */ "nfsprog\0"
+ /* 16 */ "nfsvers\0"
+ /* 17 */ "vers\0"
+ /* 18 */ "proto\0"
+ /* 19 */ "namlen\0"
+ /* 20 */ "addr\0";
int val = xatoi_u(opteq + 1);
*opteq = '\0';
- switch (index_in_str_array(options, opt)) {
+ switch (index_in_strings(options, opt)) {
case 0: // "rsize"
data.rsize = val;
break;
}
}
else {
- const char *const options[] = {
- "bg",
- "fg",
- "soft",
- "hard",
- "intr",
- "posix",
- "cto",
- "ac",
- "tcp",
- "udp",
- "lock",
- NULL
- };
+ static const char options[] =
+ "bg\0"
+ "fg\0"
+ "soft\0"
+ "hard\0"
+ "intr\0"
+ "posix\0"
+ "cto\0"
+ "ac\0"
+ "tcp\0"
+ "udp\0"
+ "lock\0";
int val = 1;
if (!strncmp(opt, "no", 2)) {
val = 0;
opt += 2;
}
- switch (index_in_str_array(options, opt)) {
+ switch (index_in_strings(options, opt)) {
case 0: // "bg"
bg = val;
break;
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.)
+ // (We use stat, not lstat, in order to allow
+ // mount symlink_to_file_or_blkdev dir)
- if (!lstat(mp->mnt_fsname, &st) && !(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE)))
- {
+ if (!stat(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 };
sizeof(bb_common_bufsiz1)))
{
// Don't show rootfs. FIXME: why??
- if (!strcmp(mtpair->mnt_fsname, "rootfs")) continue;
+ // util-linux 2.12a happily shows rootfs...
+ //if (!strcmp(mtpair->mnt_fsname, "rootfs")) continue;
if (!fstype || !strcmp(mtpair->mnt_type, fstype))
printf("%s on %s type %s (%s)\n", mtpair->mnt_fsname,
// 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;
} else {
// Do we need to match a filesystem type?
- // TODO: support "-t type1,type2"; "-t notype1,type2"
-
- if (fstype && strcmp(mtcur->mnt_type, fstype)) continue;
+ if (fstype && match_fstype(mtcur, fstype)) continue;
// Skip noauto and swap anyway.
// 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