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chattr-util: Make chattr_full() an openat() style function

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Daan De Meyer
2023-06-06 14:42:03 +02:00
parent 77c66be37b
commit cf91b9155c
4 changed files with 24 additions and 21 deletions
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src/basic/chattr-util.h
+8 -5
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@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <fcntl.h>
#include <linux/fs.h>
#include <stdbool.h>
#include <stddef.h>
@@ -39,13 +40,15 @@ typedef enum ChattrApplyFlags {
CHATTR_WARN_UNSUPPORTED_FLAGS = 1 << 1,
} ChattrApplyFlags;
int chattr_full(const char *path, int fd, unsigned value, unsigned mask, unsigned *ret_previous, unsigned *ret_final, ChattrApplyFlags flags);
int chattr_full(int dir_fd, const char *path, unsigned value, unsigned mask, unsigned *ret_previous, unsigned *ret_final, ChattrApplyFlags flags);
static inline int chattr_at(int dir_fd, const char *path, unsigned value, unsigned mask, unsigned *previous) {
return chattr_full(dir_fd, path, value, mask, previous, NULL, 0);
}
static inline int chattr_fd(int fd, unsigned value, unsigned mask, unsigned *previous) {
return chattr_full(NULL, fd, value, mask, previous, NULL, 0);
return chattr_full(fd, NULL, value, mask, previous, NULL, 0);
}
static inline int chattr_path(const char *path, unsigned value, unsigned mask, unsigned *previous) {
return chattr_full(path, -1, value, mask, previous, NULL, 0);
return chattr_full(AT_FDCWD, path, value, mask, previous, NULL, 0);
}
int read_attr_fd(int fd, unsigned *ret);
@@ -57,5 +60,5 @@ int read_attr_path(const char *p, unsigned *ret);
#define CHATTR_SECRET_FLAGS (FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL)
static inline int chattr_secret(int fd, ChattrApplyFlags flags) {
return chattr_full(NULL, fd, CHATTR_SECRET_FLAGS, CHATTR_SECRET_FLAGS, NULL, NULL, flags|CHATTR_FALLBACK_BITWISE);
return chattr_full(fd, NULL, CHATTR_SECRET_FLAGS, CHATTR_SECRET_FLAGS, NULL, NULL, flags|CHATTR_FALLBACK_BITWISE);
}