static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
{
int ret;
char *next;
char fpath[128];
char *name = fpath;
unsigned long root_inum = 1;
unsigned long inum;
strcpy(fpath, filename);
/* Remove all leading slashes */
while (*name == '/')
name++;
/*
* Handle root-direcoty ('/')
*/
inum = root_inum;
if (!name || *name == '\0')
return inum;
for (;;) {
/* Extract the actual part from the pathname. */
next = strchr(name, '/');
if (next) {
/* Remove all leading slashes. */
while (*next == '/')
*(next++) = '\0';
}
ret = ubifs_finddir(sb, name, root_inum, &inum);
/*
* Check if directory with this name exists
*/
/* Found the node! */
if (!next || *next == '\0') {
if (ret)
return inum;
break;
}
root_inum = inum;
name = next;
}
return 0;
}
static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
{
int ret;
char *next;
char fpath[128];
char symlinkpath[128];
char *name = fpath;
unsigned long root_inum = 1;
unsigned long inum;
int symlink_count = 0; /* Don't allow symlink recursion */
char link_name[64];
strcpy(fpath, filename);
/* Remove all leading slashes */
while (*name == '/')
name++;
/*
* Handle root-direcoty ('/')
*/
inum = root_inum;
if (!name || *name == '\0')
return inum;
for (;;) {
struct inode *inode;
struct ubifs_inode *ui;
/* Extract the actual part from the pathname. */
next = strchr(name, '/');
if (next) {
/* Remove all leading slashes. */
while (*next == '/')
*(next++) = '\0';
}
ret = ubifs_finddir(sb, name, root_inum, &inum);
if (!ret)
return 0;
inode = ubifs_iget(sb, inum);
if (!inode)
return 0;
ui = ubifs_inode(inode);
if ((inode->i_mode & S_IFMT) == S_IFLNK) {
char buf[128];
/* We have some sort of symlink recursion, bail out */
if (symlink_count++ > 8) {
printf("Symlink recursion, aborting\n");
return 0;
}
memcpy(link_name, ui->data, ui->data_len);
link_name[ui->data_len] = '\0';
if (link_name[0] == '/') {
/* Absolute path, redo everything without
* the leading slash */
next = name = link_name + 1;
root_inum = 1;
continue;
}
/* Relative to cur dir */
sprintf(buf, "%s/%s",
link_name, next == NULL ? "" : next);
memcpy(symlinkpath, buf, sizeof(buf));
next = name = symlinkpath;
continue;
}
/*
* Check if directory with this name exists
*/
/* Found the node! */
if (!next || *next == '\0')
return inum;
root_inum = inum;
name = next;
}
return 0;
}
