Function report |
Source Code:fs\crypto\fname.c |
Create Date:2022-07-28 20:23:39 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:scrypt_setup_filename() - prepare to search a possibly encrypted directory*@dir: the directory that will be searched*@iname: the user-provided filename being searched for*@lookup: 1 if we're allowed to proceed without the key because it's* ->lookup() or
Proto:int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname, int lookup, struct fscrypt_name *fname)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct inode * | dir | |
const struct qstr * | iname | |
int | lookup | |
struct fscrypt_name * | fname |
323 | memset(fname, 0, sizeof(structfscrypt_name)) |
326 | If Not IS_ENCRYPTED(dir) || fscrypt_is_dot_dotdot(iname) Then |
331 | ret = fscrypt_get_encryption_info(dir) |
335 | If fscrypt_has_encryption_key(dir) Then |
336 | If Not fscrypt_fname_encrypted_size(dir, len, max_namelen, & len) Then Return -ENAMETOOLONG |
340 | name = Allocation memory |
351 | Return 0 |
355 | is_ciphertext_name = true |
361 | If name[0] == '_' Then |
362 | If len != 1 + BASE64_CHARS( size of fscrypt_digested_name ) Then Return -ENOENT |
365 | digested = 1 |
366 | Else |
367 | If len > BASE64_CHARS(FSCRYPT_FNAME_MAX_UNDIGESTED_SIZE) Then Return -ENOENT |
370 | digested = 0 |
373 | name = Allocation memory |
382 | If ret < 0 Then |
387 | If digested Then |
392 | Else |
396 | Return 0 |
398 | errout : |
400 | Return ret |
Name | Describe |
---|---|
__fscrypt_prepare_lookup |
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