Remove canned_fs_config from ext4_utils

It is now also used in mksquashfs so it was added to libcutils

BUG: 27467028
Change-Id: I81c87938d5b6b200a8ad817f0c64c5ca699f451c
Signed-off-by: Mohamad Ayyash <mkayyash@google.com>

5 files changed, 13 insertions, 146 deletions

diff --git a/ext4_utils/Android.mk b/ext4_utils/Android.mk
index 3dd5409a..a8362b22 100644
--- a/ext4_utils/Android.mk
+++ b/ext4_utils/Android.mk
@@ -34,7 +34,7 @@ include $(BUILD_HOST_STATIC_LIBRARY)
 
 
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES := make_ext4fs_main.c canned_fs_config.c
+LOCAL_SRC_FILES := make_ext4fs_main.c
 LOCAL_MODULE := make_ext4fs
 LOCAL_SHARED_LIBRARIES += libcutils
 LOCAL_STATIC_LIBRARIES += \
@@ -99,7 +99,7 @@ include $(BUILD_STATIC_LIBRARY)
 
 
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES := make_ext4fs_main.c canned_fs_config.c
+LOCAL_SRC_FILES := make_ext4fs_main.c
 LOCAL_MODULE := make_ext4fs
 LOCAL_SHARED_LIBRARIES := \
     libcutils \
diff --git a/ext4_utils/canned_fs_config.c b/ext4_utils/canned_fs_config.c
deleted file mode 100644
index 089a8df7..00000000
--- a/ext4_utils/canned_fs_config.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdlib.h>
-
-#include "private/android_filesystem_config.h"
-
-#include "canned_fs_config.h"
-
-typedef struct {
-	const char* path;
-	unsigned uid;
-	unsigned gid;
-	unsigned mode;
-	uint64_t capabilities;
-} Path;
-
-static Path* canned_data = NULL;
-static int canned_alloc = 0;
-static int canned_used = 0;
-
-static int path_compare(const void* a, const void* b) {
-	return strcmp(((Path*)a)->path, ((Path*)b)->path);
-}
-
-int load_canned_fs_config(const char* fn) {
-	FILE* f = fopen(fn, "r");
-	if (f == NULL) {
-		fprintf(stderr, "failed to open %s: %s\n", fn, strerror(errno));
-		return -1;
-	}
-
-	char line[PATH_MAX + 200];
-	while (fgets(line, sizeof(line), f)) {
-		while (canned_used >= canned_alloc) {
-			canned_alloc = (canned_alloc+1) * 2;
-			canned_data = (Path*) realloc(canned_data, canned_alloc * sizeof(Path));
-		}
-		Path* p = canned_data + canned_used;
-		p->path = strdup(strtok(line, " "));
-		p->uid = atoi(strtok(NULL, " "));
-		p->gid = atoi(strtok(NULL, " "));
-		p->mode = strtol(strtok(NULL, " "), NULL, 8);   // mode is in octal
-		p->capabilities = 0;
-
-		char* token = NULL;
-		do {
-			token = strtok(NULL, " ");
-			if (token && strncmp(token, "capabilities=", 13) == 0) {
-				p->capabilities = strtoll(token+13, NULL, 0);
-				break;
-			}
-		} while (token);
-
-		canned_used++;
-	}
-
-	fclose(f);
-
-	qsort(canned_data, canned_used, sizeof(Path), path_compare);
-	printf("loaded %d fs_config entries\n", canned_used);
-
-	return 0;
-}
-
-static const int kDebugCannedFsConfig = 0;
-
-void canned_fs_config(const char* path, int dir, const char* target_out_path,
-					  unsigned* uid, unsigned* gid, unsigned* mode, uint64_t* capabilities) {
-	Path key;
-	key.path = path+1;   // canned paths lack the leading '/'
-	Path* p = (Path*) bsearch(&key, canned_data, canned_used, sizeof(Path), path_compare);
-	if (p == NULL) {
-		fprintf(stderr, "failed to find [%s] in canned fs_config\n", path);
-		exit(1);
-	}
-	*uid = p->uid;
-	*gid = p->gid;
-	*mode = p->mode;
-	*capabilities = p->capabilities;
-
-	if (kDebugCannedFsConfig) {
-		// for debugging, run the built-in fs_config and compare the results.
-
-		unsigned c_uid, c_gid, c_mode;
-		uint64_t c_capabilities;
-		fs_config(path, dir, target_out_path, &c_uid, &c_gid, &c_mode, &c_capabilities);
-
-		if (c_uid != *uid) printf("%s uid %d %d\n", path, *uid, c_uid);
-		if (c_gid != *gid) printf("%s gid %d %d\n", path, *gid, c_gid);
-		if (c_mode != *mode) printf("%s mode 0%o 0%o\n", path, *mode, c_mode);
-		if (c_capabilities != *capabilities)
-			printf("%s capabilities %" PRIx64 " %" PRIx64 "\n",
-				path,
-				*capabilities,
-				c_capabilities);
-        }
-}
diff --git a/ext4_utils/canned_fs_config.h b/ext4_utils/canned_fs_config.h
deleted file mode 100644
index d9f51ca3..00000000
--- a/ext4_utils/canned_fs_config.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _CANNED_FS_CONFIG_H
-#define _CANNED_FS_CONFIG_H
-
-#include <inttypes.h>
-
-int load_canned_fs_config(const char* fn);
-void canned_fs_config(const char* path, int dir, const char* target_out_path,
-                      unsigned* uid, unsigned* gid, unsigned* mode, uint64_t* capabilities);
-
-#endif
diff --git a/ext4_utils/make_ext4fs_main.c b/ext4_utils/make_ext4fs_main.c
index 56ced5b5..323a445b 100644
--- a/ext4_utils/make_ext4fs_main.c
+++ b/ext4_utils/make_ext4fs_main.c
@@ -27,6 +27,7 @@
 
 #ifdef ANDROID
 #include <private/android_filesystem_config.h>
+#include <private/canned_fs_config.h>
 #endif
 
 #ifndef USE_MINGW
@@ -41,7 +42,6 @@ struct selabel_handle;
 
 #include "make_ext4fs.h"
 #include "ext4_utils.h"
-#include "canned_fs_config.h"
 
 #ifndef USE_MINGW /* O_BINARY is windows-specific flag */
 #define O_BINARY 0
diff --git a/squashfs_utils/mksquashfsimage.sh b/squashfs_utils/mksquashfsimage.sh
index 1bc2b83b..5f8cfeab 100755
--- a/squashfs_utils/mksquashfsimage.sh
+++ b/squashfs_utils/mksquashfsimage.sh
@@ -5,7 +5,7 @@
 function usage() {
 cat<<EOT
 Usage:
-${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-c FILE_CONTEXTS] [-b BLOCK_SIZE] [-z COMPRESSOR] [-zo COMPRESSOR_OPT]
+${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-b BLOCK_SIZE] [-z COMPRESSOR] [-zo COMPRESSOR_OPT]
 EOT
 }
 
@@ -42,6 +42,12 @@ if [[ "$1" == "-d" ]]; then
     shift; shift
 fi
 
+FS_CONFIG=
+if [[ "$1" == "-C" ]]; then
+    FS_CONFIG=$2
+    shift; shift
+fi
+
 FILE_CONTEXTS=
 if [[ "$1" == "-c" ]]; then
     FILE_CONTEXTS=$2
@@ -74,6 +80,9 @@ fi
 if [ -n "$PRODUCT_OUT" ]; then
   OPT="$OPT -product-out $PRODUCT_OUT"
 fi
+if [ -n "$FS_CONFIG" ]; then
+  OPT="$OPT -fs-config-file $FS_CONFIG"
+fi
 if [ -n "$FILE_CONTEXTS" ]; then
   OPT="$OPT -context-file $FILE_CONTEXTS"
 fi