Merge pull request #11827 from keszybz/pkgconfig-variables

[thirdparty/systemd.git] / src / shared / dissect-image.h

diff --git a/src/shared/dissect-image.h b/src/shared/dissect-image.h
index 30a12cb54080c0e6d4015002079f7bac4fcbd98c..f50b40ea1154775380aec52a1bd68ffd454a2906 100644 (file)
--- a/src/shared/dissect-image.h
+++ b/src/shared/dissect-image.h
@@ -1,27 +1,10 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2016 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
 #include <stdbool.h>
 
+#include "sd-id128.h"
+
 #include "macro.h"
 
 typedef struct DissectedImage DissectedImage;
@@ -62,15 +45,19 @@ static inline int PARTITION_VERITY_OF(int p) {
 }
 
 typedef enum DissectImageFlags {
-        DISSECT_IMAGE_READ_ONLY = 1,
-        DISSECT_IMAGE_DISCARD_ON_LOOP = 2,   /* Turn on "discard" if on a loop device and file system supports it */
-        DISSECT_IMAGE_DISCARD = 4,           /* Turn on "discard" if file system supports it, on all block devices */
-        DISSECT_IMAGE_DISCARD_ON_CRYPTO = 8, /* Turn on "discard" also on crypto devices */
+        DISSECT_IMAGE_READ_ONLY           = 1 << 0,
+        DISSECT_IMAGE_DISCARD_ON_LOOP     = 1 << 1,  /* Turn on "discard" if on a loop device and file system supports it */
+        DISSECT_IMAGE_DISCARD             = 1 << 2,  /* Turn on "discard" if file system supports it, on all block devices */
+        DISSECT_IMAGE_DISCARD_ON_CRYPTO   = 1 << 3,  /* Turn on "discard" also on crypto devices */
         DISSECT_IMAGE_DISCARD_ANY = DISSECT_IMAGE_DISCARD_ON_LOOP |
                                     DISSECT_IMAGE_DISCARD |
                                     DISSECT_IMAGE_DISCARD_ON_CRYPTO,
-        DISSECT_IMAGE_GPT_ONLY = 16,         /* Only recognize images with GPT partition tables */
-        DISSECT_IMAGE_REQUIRE_ROOT = 32,     /* Don't accept disks without root partition */
+        DISSECT_IMAGE_GPT_ONLY            = 1 << 4,  /* Only recognize images with GPT partition tables */
+        DISSECT_IMAGE_REQUIRE_ROOT        = 1 << 5,  /* Don't accept disks without root partition */
+        DISSECT_IMAGE_MOUNT_ROOT_ONLY     = 1 << 6,  /* Mount only the root partition */
+        DISSECT_IMAGE_MOUNT_NON_ROOT_ONLY = 1 << 7,  /* Mount only non-root partitions */
+        DISSECT_IMAGE_VALIDATE_OS         = 1 << 8,  /* Refuse mounting images that aren't identifyable as OS images */
+        DISSECT_IMAGE_NO_UDEV             = 1 << 9,  /* Don't wait for udev initializing things */
 } DissectImageFlags;
 
 struct DissectedImage {
@@ -86,14 +73,16 @@ struct DissectedImage {
         char **os_release;
 };
 
+int probe_filesystem(const char *node, char **ret_fstype);
 int dissect_image(int fd, const void *root_hash, size_t root_hash_size, DissectImageFlags flags, DissectedImage **ret);
+int dissect_image_and_warn(int fd, const char *name, const void *root_hash, size_t root_hash_size, DissectImageFlags flags, DissectedImage **ret);
 
 DissectedImage* dissected_image_unref(DissectedImage *m);
 DEFINE_TRIVIAL_CLEANUP_FUNC(DissectedImage*, dissected_image_unref);
 
 int dissected_image_decrypt(DissectedImage *m, const char *passphrase, const void *root_hash, size_t root_hash_size, DissectImageFlags flags, DecryptedImage **ret);
 int dissected_image_decrypt_interactively(DissectedImage *m, const char *passphrase, const void *root_hash, size_t root_hash_size, DissectImageFlags flags, DecryptedImage **ret);
-int dissected_image_mount(DissectedImage *m, const char *dest, DissectImageFlags flags);
+int dissected_image_mount(DissectedImage *m, const char *dest, uid_t uid_shift, DissectImageFlags flags);
 
 int dissected_image_acquire_metadata(DissectedImage *m);