static void create_root_dir(ext2_filsys fs)
{
errcode_t retval;
struct ext2_inode inode;
retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0);
if (retval) {
com_err("ext2fs_mkdir", retval, _("while creating root dir"));
exit(1);
}
if (geteuid()) {
retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_read_inode", retval,
_("while reading root inode"));
exit(1);
}
inode.i_uid = getuid();
if (inode.i_uid)
inode.i_gid = getgid();
retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode);
if (retval) {
com_err("ext2fs_write_inode", retval,
_("while setting root inode ownership"));
exit(1);
}
}
}
static void create_lost_and_found(ext2_filsys fs)
{
errcode_t retval;
ext2_ino_t ino;
const char *name = "lost+found";
int i;
int lpf_size = 0;
fs->umask = 077;
retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name);
if (retval) {
com_err("ext2fs_mkdir", retval,
_("while creating /lost+found"));
exit(1);
}
retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino);
if (retval) {
com_err("ext2_lookup", retval,
_("while looking up /lost+found"));
exit(1);
}
for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
if ((lpf_size += fs->blocksize) >= 16*1024)
break;
retval = ext2fs_expand_dir(fs, ino);
if (retval) {
com_err("ext2fs_expand_dir", retval,
_("while expanding /lost+found"));
exit(1);
}
}
}
/* Make a directory in the fs */
errcode_t do_mkdir_internal(ext2_filsys fs, ext2_ino_t cwd, const char *name,
struct stat *st, ext2_ino_t root)
{
char *cp;
ext2_ino_t parent_ino;
errcode_t retval;
cp = strrchr(name, '/');
if (cp) {
*cp = 0;
retval = ext2fs_namei(fs, root, cwd, name, &parent_ino);
if (retval) {
com_err(name, retval, 0);
return retval;
}
name = cp+1;
} else
parent_ino = cwd;
try_again:
retval = ext2fs_mkdir(fs, parent_ino, 0, name);
if (retval == EXT2_ET_DIR_NO_SPACE) {
retval = ext2fs_expand_dir(fs, parent_ino);
if (retval) {
com_err(__func__, retval, "while expanding directory");
return retval;
}
goto try_again;
}
if (retval)
com_err("ext2fs_mkdir", retval, 0);
return retval;
}
/*
* this function creates a new directory inode (returned in newdir)
* and the link in the upper directory (e2c->curr_e2dir)
* the name is the basename of the current path (e2c->curr_path)
*/
int e2mkdir(e2i_ctx_t *e2c, ext2_ino_t *newdir) {
int ret;
struct stat s;
const char *dname;
ext2_ino_t nd;
ret = lstat(e2c->curr_path, &s);
ERRNO_ERR(ret,"Could not 'stat': ", e2c->curr_path);
/* sanity check */
if (!S_ISDIR(s.st_mode)) {
fprintf(stderr, "File '%s' is not a directory\n", e2c->curr_path);
return -1;
}
/* edit the directoryname and create it */
dname = basename(e2c->curr_path);
ret = ext2fs_mkdir(e2c->fs, e2c->curr_e2dir, 0, dname);
if (ret == EXT2_ET_DIR_NO_SPACE) {
/* resize the directory */
if (ext2fs_expand_dir(e2c->fs, e2c->curr_e2dir) == 0)
ret = ext2fs_mkdir(e2c->fs, e2c->curr_e2dir, 0, dname);
}
E2_ERR(ret, "Could not create dir: ", dname);
/* say what we do and increase the counter */
if (e2c->verbose)
printf ("Creating directory %s\n", dname);
e2c->cnt->dir++;
/* lookup the inode of the new directory if requested */
ret = ext2fs_lookup(e2c->fs, e2c->curr_e2dir, dname, strlen(dname), 0, &nd);
E2_ERR(ret, "Could not Ext2-lookup: ", dname);
modinode(e2c, dname, nd);
if (newdir) {
*newdir = nd;
}
return 0;
}
static errcode_t create_directory(ext2_filsys fs, char *dir,
ext2_ino_t *ret_ino)
{
struct ext2_inode inode;
ext2_ino_t ino = EXT2_ROOT_INO;
ext2_ino_t newdir;
errcode_t retval = 0;
char *fn, *cp, *next;
fn = malloc(strlen(dir) + 1);
if (fn == NULL)
return ENOMEM;
strcpy(fn, dir);
cp = fn;
while(1) {
next = strchr(cp, '/');
if (next)
*next++ = 0;
if (*cp) {
retval = ext2fs_new_inode(fs, ino, LINUX_S_IFDIR,
NULL, &newdir);
if (retval)
goto errout;
retval = ext2fs_mkdir(fs, ino, newdir, cp);
if (retval)
goto errout;
ino = newdir;
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval)
goto errout;
inode.i_uid = uid & 0xFFFF;
ext2fs_set_i_uid_high(inode, (uid >> 16) & 0xffff);
inode.i_gid = gid & 0xFFFF;
ext2fs_set_i_gid_high(inode, (gid >> 16) & 0xffff);
retval = ext2fs_write_inode(fs, ino, &inode);
if (retval)
goto errout;
}
if (next == NULL || *next == '\0')
break;
cp = next;
}
errout:
free(fn);
if (retval == 0)
*ret_ino = ino;
return retval;
}
static ext2_ino_t ext2CreateMkDir(ext2_vd *vd, ext2_inode_t * parent, int type, const char * name)
{
ext2_ino_t newentry = 0;
ext2_ino_t existing;
if(ext2fs_namei_follow(vd->fs, vd->root, parent->ino, name, &existing) == 0){
errno = EEXIST;
return 0;
}
errcode_t err = ext2fs_new_inode(vd->fs, parent->ino, type, 0, &newentry);
if(err != EXT2_ET_OK) {
errno = EFAULT;
return 0;
}
while((err = ext2fs_mkdir(vd->fs, parent->ino, newentry, name)) == EXT2_ET_DIR_NO_SPACE)
{
if(ext2fs_expand_dir(vd->fs, parent->ino) != EXT2_ET_OK) {
errno = EMLINK;
return 0;
}
}
if(err != EXT2_ET_OK) {
errno = EMLINK;
return 0;
}
struct ext2_inode inode;
if(ext2fs_read_inode(vd->fs, newentry, &inode) == EXT2_ET_OK)
{
inode.i_mode = type;
inode.i_uid = parent->ni.i_uid;
inode.i_gid = parent->ni.i_gid;
ext2fs_write_new_inode(vd->fs, newentry, &inode);
}
return newentry;
}
static errcode_t dir_test(ext2_filsys fs)
{
const char *dot_name = ".";
const char *stub_name = "stub";
const char *parent_name = "test";
ext2_ino_t parent, dir, tmp;
errcode_t retval;
char dirname[PATH_MAX];
int i;
retval = ext2fs_mkdir(fs, 11, 11, stub_name);
if (retval) {
com_err("dir_test", retval, "while creating %s dir", stub_name);
return retval;
}
retval = ext2fs_mkdir(fs, 11, 0, parent_name);
if (retval) {
com_err("dir_test", retval,
"while creating %s dir", parent_name);
return retval;
}
retval = ext2fs_lookup(fs, 11, parent_name, strlen(parent_name),
0, &parent);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
retval = ext2fs_lookup(fs, parent, dot_name, strlen(dot_name),
0, &tmp);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
if (parent != tmp) {
fprintf(stderr, "tst_inline_data: parent (%u) != tmp (%u)\n",
parent, tmp);
return 1;
}
for (i = 0, dir = 13; i < 4; i++, dir++) {
tmp = 0;
snprintf(dirname, sizeof(dirname), "%d", i);
retval = ext2fs_mkdir(fs, parent, 0, dirname);
if (retval) {
com_err("dir_test", retval,
"while creating %s dir", dirname);
return retval;
}
retval = ext2fs_lookup(fs, parent, dirname, strlen(dirname),
0, &tmp);
if (retval) {
com_err("dir_test", retval,
"while looking up %s dir", parent_name);
return retval;
}
if (dir != tmp) {
fprintf(stderr,
"tst_inline_data: dir (%u) != tmp (%u)\n",
dir, tmp);
return 1;
}
}
snprintf(dirname, sizeof(dirname), "%d", i);
retval = ext2fs_mkdir(fs, parent, 0, dirname);
if (retval && retval != EXT2_ET_DIR_NO_SPACE) {
com_err("dir_test", retval, "while creating %s dir", dirname);
return retval;
}
retval = ext2fs_expand_dir(fs, parent);
if (retval) {
com_err("dir_test", retval, "while expanding %s dir", parent_name);
return retval;
}
return 0;
}
