*/
#include "ubifs.h"
-
-#if !defined(CONFIG_SYS_64BIT_VSPRINTF)
-#warning Please define CONFIG_SYS_64BIT_VSPRINTF for correct output!
-#endif
+#include <u-boot/zlib.h>
DECLARE_GLOBAL_DATA_PTR;
/* compress.c */
/*
- * We need a wrapper for gunzip() because the parameters are
+ * We need a wrapper for zunzip() because the parameters are
* incompatible with the lzo decompressor.
*/
static int gzip_decompress(const unsigned char *in, size_t in_len,
unsigned char *out, size_t *out_len)
{
unsigned long len = in_len;
- return gunzip(out, *out_len, (unsigned char *)in, &len);
+ return zunzip(out, *out_len, (unsigned char *)in, &len, 0, 0);
}
/* Fake description object for the "none" compressor */
static int __init compr_init(struct ubifs_compressor *compr)
{
ubifs_compressors[compr->compr_type] = compr;
+
+#ifndef CONFIG_RELOC_FIXUP_WORKS
ubifs_compressors[compr->compr_type]->name += gd->reloc_off;
ubifs_compressors[compr->compr_type]->capi_name += gd->reloc_off;
ubifs_compressors[compr->compr_type]->decompress += gd->reloc_off;
+#endif
+
return 0;
}
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 */
strcpy(fpath, filename);
return inum;
for (;;) {
+ struct inode *inode;
+ struct ubifs_inode *ui;
+
/* Extract the actual part from the pathname. */
next = strchr(name, '/');
if (next) {
}
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 link_name[64];
+ 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') {
- if (ret)
- return inum;
-
- break;
- }
+ if (!next || *next == '\0')
+ return inum;
root_inum = inum;
name = next;
}
dn = kmalloc(UBIFS_MAX_DATA_NODE_SZ, GFP_NOFS);
- if (!dn) {
- err = -ENOMEM;
- goto error;
- }
+ if (!dn)
+ return -ENOMEM;
i = 0;
while (1) {
int err = 0;
int i;
int count;
- char link_name[64];
- struct ubifs_inode *ui;
c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READONLY);
+ /* ubifs_findfile will resolve symlinks, so we know that we get
+ * the real file here */
inum = ubifs_findfile(ubifs_sb, filename);
if (!inum) {
err = -1;
}
/*
- * Check for symbolic link
- */
- ui = ubifs_inode(inode);
- if (((inode->i_mode & S_IFMT) == S_IFLNK) && ui->data_len) {
- memcpy(link_name, ui->data, ui->data_len);
- link_name[ui->data_len] = '\0';
- printf("%s is linked to %s!\n", filename, link_name);
- ubifs_iput(inode);
-
- /*
- * Now we have the "real" filename, call ubifs_load()
- * again (recursive call) to load this file instead
- */
- return ubifs_load(link_name, addr, size);
- }
-
- /*
* If no size was specified or if size bigger than filesize
* set size to filesize
*/