1 files changed, 0 insertions, 282 deletions

diff --git a/roots.c b/roots.c
deleted file mode 100644
index cb7e067a1..000000000
--- a/roots.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * Copyright (C) 2007 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 <errno.h>
-#include <stdlib.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <ctype.h>
-
-#include "mtdutils/mtdutils.h"
-#include "mtdutils/mounts.h"
-#include "roots.h"
-#include "common.h"
-#include "make_ext4fs.h"
-
-static int num_volumes = 0;
-static Volume* device_volumes = NULL;
-
-static int parse_options(char* options, Volume* volume) {
-    char* option;
-    while (option = strtok(options, ",")) {
-        options = NULL;
-
-        if (strncmp(option, "length=", 7) == 0) {
-            volume->length = strtoll(option+7, NULL, 10);
-        } else {
-            LOGE("bad option \"%s\"\n", option);
-            return -1;
-        }
-    }
-    return 0;
-}
-
-void load_volume_table() {
-    int alloc = 2;
-    device_volumes = malloc(alloc * sizeof(Volume));
-
-    // Insert an entry for /tmp, which is the ramdisk and is always mounted.
-    device_volumes[0].mount_point = "/tmp";
-    device_volumes[0].fs_type = "ramdisk";
-    device_volumes[0].device = NULL;
-    device_volumes[0].device2 = NULL;
-    device_volumes[0].length = 0;
-    num_volumes = 1;
-
-    FILE* fstab = fopen("/etc/recovery.fstab", "r");
-    if (fstab == NULL) {
-        LOGE("failed to open /etc/recovery.fstab (%s)\n", strerror(errno));
-        return;
-    }
-
-    char buffer[1024];
-    int i;
-    while (fgets(buffer, sizeof(buffer)-1, fstab)) {
-        for (i = 0; buffer[i] && isspace(buffer[i]); ++i);
-        if (buffer[i] == '\0' || buffer[i] == '#') continue;
-
-        char* original = strdup(buffer);
-
-        char* mount_point = strtok(buffer+i, " \t\n");
-        char* fs_type = strtok(NULL, " \t\n");
-        char* device = strtok(NULL, " \t\n");
-        // lines may optionally have a second device, to use if
-        // mounting the first one fails.
-        char* options = NULL;
-        char* device2 = strtok(NULL, " \t\n");
-        if (device2) {
-            if (device2[0] == '/') {
-                options = strtok(NULL, " \t\n");
-            } else {
-                options = device2;
-                device2 = NULL;
-            }
-        }
-
-        if (mount_point && fs_type && device) {
-            while (num_volumes >= alloc) {
-                alloc *= 2;
-                device_volumes = realloc(device_volumes, alloc*sizeof(Volume));
-            }
-            device_volumes[num_volumes].mount_point = strdup(mount_point);
-            device_volumes[num_volumes].fs_type = strdup(fs_type);
-            device_volumes[num_volumes].device = strdup(device);
-            device_volumes[num_volumes].device2 =
-                device2 ? strdup(device2) : NULL;
-
-            device_volumes[num_volumes].length = 0;
-            if (parse_options(options, device_volumes + num_volumes) != 0) {
-                LOGE("skipping malformed recovery.fstab line: %s\n", original);
-            } else {
-                ++num_volumes;
-            }
-        } else {
-            LOGE("skipping malformed recovery.fstab line: %s\n", original);
-        }
-        free(original);
-    }
-
-    fclose(fstab);
-
-    printf("recovery filesystem table\n");
-    printf("=========================\n");
-    for (i = 0; i < num_volumes; ++i) {
-        Volume* v = &device_volumes[i];
-        printf("  %d %s %s %s %s %lld\n", i, v->mount_point, v->fs_type,
-               v->device, v->device2, v->length);
-    }
-    printf("\n");
-}
-
-Volume* volume_for_path(const char* path) {
-    int i;
-    for (i = 0; i < num_volumes; ++i) {
-        Volume* v = device_volumes+i;
-        int len = strlen(v->mount_point);
-        if (strncmp(path, v->mount_point, len) == 0 &&
-            (path[len] == '\0' || path[len] == '/')) {
-            return v;
-        }
-    }
-    return NULL;
-}
-
-int ensure_path_mounted(const char* path) {
-    Volume* v = volume_for_path(path);
-    if (v == NULL) {
-        LOGE("unknown volume for path [%s]\n", path);
-        return -1;
-    }
-    if (strcmp(v->fs_type, "ramdisk") == 0) {
-        // the ramdisk is always mounted.
-        return 0;
-    }
-
-    int result;
-    result = scan_mounted_volumes();
-    if (result < 0) {
-        LOGE("failed to scan mounted volumes\n");
-        return -1;
-    }
-
-    const MountedVolume* mv =
-        find_mounted_volume_by_mount_point(v->mount_point);
-    if (mv) {
-        // volume is already mounted
-        return 0;
-    }
-
-    mkdir(v->mount_point, 0755);  // in case it doesn't already exist
-
-    if (strcmp(v->fs_type, "yaffs2") == 0) {
-        // mount an MTD partition as a YAFFS2 filesystem.
-        mtd_scan_partitions();
-        const MtdPartition* partition;
-        partition = mtd_find_partition_by_name(v->device);
-        if (partition == NULL) {
-            LOGE("failed to find \"%s\" partition to mount at \"%s\"\n",
-                 v->device, v->mount_point);
-            return -1;
-        }
-        return mtd_mount_partition(partition, v->mount_point, v->fs_type, 0);
-    } else if (strcmp(v->fs_type, "ext4") == 0 ||
-               strcmp(v->fs_type, "vfat") == 0) {
-        result = mount(v->device, v->mount_point, v->fs_type,
-                       MS_NOATIME | MS_NODEV | MS_NODIRATIME, "");
-        if (result == 0) return 0;
-
-        if (v->device2) {
-            LOGW("failed to mount %s (%s); trying %s\n",
-                 v->device, strerror(errno), v->device2);
-            result = mount(v->device2, v->mount_point, v->fs_type,
-                           MS_NOATIME | MS_NODEV | MS_NODIRATIME, "");
-            if (result == 0) return 0;
-        }
-
-        LOGE("failed to mount %s (%s)\n", v->mount_point, strerror(errno));
-        return -1;
-    }
-
-    LOGE("unknown fs_type \"%s\" for %s\n", v->fs_type, v->mount_point);
-    return -1;
-}
-
-int ensure_path_unmounted(const char* path) {
-    Volume* v = volume_for_path(path);
-    if (v == NULL) {
-        LOGE("unknown volume for path [%s]\n", path);
-        return -1;
-    }
-    if (strcmp(v->fs_type, "ramdisk") == 0) {
-        // the ramdisk is always mounted; you can't unmount it.
-        return -1;
-    }
-
-    int result;
-    result = scan_mounted_volumes();
-    if (result < 0) {
-        LOGE("failed to scan mounted volumes\n");
-        return -1;
-    }
-
-    const MountedVolume* mv =
-        find_mounted_volume_by_mount_point(v->mount_point);
-    if (mv == NULL) {
-        // volume is already unmounted
-        return 0;
-    }
-
-    return unmount_mounted_volume(mv);
-}
-
-int format_volume(const char* volume) {
-    Volume* v = volume_for_path(volume);
-    if (v == NULL) {
-        LOGE("unknown volume \"%s\"\n", volume);
-        return -1;
-    }
-    if (strcmp(v->fs_type, "ramdisk") == 0) {
-        // you can't format the ramdisk.
-        LOGE("can't format_volume \"%s\"", volume);
-        return -1;
-    }
-    if (strcmp(v->mount_point, volume) != 0) {
-        LOGE("can't give path \"%s\" to format_volume\n", volume);
-        return -1;
-    }
-
-    if (ensure_path_unmounted(volume) != 0) {
-        LOGE("format_volume failed to unmount \"%s\"\n", v->mount_point);
-        return -1;
-    }
-
-    if (strcmp(v->fs_type, "yaffs2") == 0 || strcmp(v->fs_type, "mtd") == 0) {
-        mtd_scan_partitions();
-        const MtdPartition* partition = mtd_find_partition_by_name(v->device);
-        if (partition == NULL) {
-            LOGE("format_volume: no MTD partition \"%s\"\n", v->device);
-            return -1;
-        }
-
-        MtdWriteContext *write = mtd_write_partition(partition);
-        if (write == NULL) {
-            LOGW("format_volume: can't open MTD \"%s\"\n", v->device);
-            return -1;
-        } else if (mtd_erase_blocks(write, -1) == (off_t) -1) {
-            LOGW("format_volume: can't erase MTD \"%s\"\n", v->device);
-            mtd_write_close(write);
-            return -1;
-        } else if (mtd_write_close(write)) {
-            LOGW("format_volume: can't close MTD \"%s\"\n", v->device);
-            return -1;
-        }
-        return 0;
-    }
-
-    if (strcmp(v->fs_type, "ext4") == 0) {
-        int result = make_ext4fs(v->device, v->length);
-        if (result != 0) {
-            LOGE("format_volume: make_extf4fs failed on %s\n", v->device);
-            return -1;
-        }
-        return 0;
-    }
-
-    LOGE("format_volume: fs_type \"%s\" unsupported\n", v->fs_type);
-    return -1;
-}