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basic/label: introduce mkdirat_label()/mkdirat_errno_wrapper() helpers

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This commit is contained in:
Franck Bui 2018-04-27 12:55:56 +02:00
parent 7e531a5265
commit 1e9126316f
4 changed files with 25 additions and 0 deletions
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1
src/basic/label.h
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@ -12,6 +12,7 @@ typedef enum LabelFixFlags {
int label_fix(const char *path, LabelFixFlags flags);
int mkdir_label(const char *path, mode_t mode);
int mkdirat_label(int dirfd, const char *path, mode_t mode);
int symlink_label(const char *old_path, const char *new_path);
int btrfs_subvol_make_label(const char *path);

17
src/basic/mkdir-label.c
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@ -28,6 +28,23 @@ int mkdir_label(const char *path, mode_t mode) {
return mac_smack_fix(path, 0);
}
int mkdirat_label(int dirfd, const char *path, mode_t mode) {
int r;
assert(path);
r = mac_selinux_create_file_prepare_at(dirfd, path, S_IFDIR);
if (r < 0)
return r;
r = mkdirat_errno_wrapper(dirfd, path, mode);
mac_selinux_create_file_clear();
if (r < 0)
return r;
return mac_smack_fix_at(dirfd, path, 0);
}
int mkdir_safe_label(const char *path, mode_t mode, uid_t uid, gid_t gid, MkdirFlags flags) {
return mkdir_safe_internal(path, mode, uid, gid, flags, mkdir_label);
}

6
src/basic/mkdir.c
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@ -80,6 +80,12 @@ int mkdir_errno_wrapper(const char *pathname, mode_t mode) {
return 0;
}
int mkdirat_errno_wrapper(int dirfd, const char *pathname, mode_t mode) {
if (mkdirat(dirfd, pathname, mode) < 0)
return -errno;
return 0;
}
int mkdir_safe(const char *path, mode_t mode, uid_t uid, gid_t gid, MkdirFlags flags) {
return mkdir_safe_internal(path, mode, uid, gid, flags, mkdir_errno_wrapper);
}

1
src/basic/mkdir.h
View File

@ -9,6 +9,7 @@ typedef enum MkdirFlags {
} MkdirFlags;
int mkdir_errno_wrapper(const char *pathname, mode_t mode);
int mkdirat_errno_wrapper(int dirfd, const char *pathname, mode_t mode);
int mkdir_safe(const char *path, mode_t mode, uid_t uid, gid_t gid, MkdirFlags flags);
int mkdir_parents(const char *path, mode_t mode);
int mkdir_p(const char *path, mode_t mode);