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Commit 8ac3a138 authored by The Android Open Source Project's avatar The Android Open Source Project
Browse files

auto import from //branches/cupcake/...@127101

parent 2eef6029

cpio/mkbootfs.c

+57 −16
Original line number Diff line number Diff line
@@ -44,6 +44,11 @@ static void fix_stat(const char *path, struct stat *s) 


static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)

{

    // Nothing is special about this value, just picked something in the

    // approximate range that was being used already, and avoiding small

    // values which may be special.

    static unsigned next_inode = 300000;



    while(total_size & 3) {

        total_size++;

        putchar(0);
@@ -55,12 +60,12 @@ static void _eject(struct stat *s, char *out, int olen, char *data, unsigned dat 
    printf("%06x%08x%08x%08x%08x%08x%08x"

           "%08x%08x%08x%08x%08x%08x%08x%s%c",

           0x070701,

           (unsigned) s->st_ino,

           next_inode++,  //  s.st_ino,

           s->st_mode,

           0, // s.st_uid,

           0, // s.st_gid,

           1, // s.st_nlink,

           (unsigned) s->st_mtime,

           0, // s.st_mtime,

           datasize,

           0, // volmajor

           0, // volminor
@@ -101,9 +106,13 @@ static void _eject_trailer() 


static void _archive(char *in, char *out, int ilen, int olen);



static int compare(const void* a, const void* b) {

  return strcmp(*(const char**)a, *(const char**)b);

}



static void _archive_dir(char *in, char *out, int ilen, int olen)

{

    int t;

    int i, t;

    DIR *d;

    struct dirent *de;
@@ -115,6 +124,14 @@ static void _archive_dir(char *in, char *out, int ilen, int olen) 
    d = opendir(in);

    if(d == 0) die("cannot open directory '%s'", in);



    int size = 32;

    int entries = 0;

    char** names = malloc(size * sizeof(char*));

    if (names == NULL) {

      fprintf(stderr, "failed to allocate dir names array (size %d)\n", size);

      exit(1);

    }



    while((de = readdir(d)) != 0){

            /* xxx: feature? maybe some dotfiles are okay */

        if(de->d_name[0] == '.') continue;
@@ -122,22 +139,46 @@ static void _archive_dir(char *in, char *out, int ilen, int olen) 
            /* xxx: hack. use a real exclude list */

        if(!strcmp(de->d_name, "root")) continue;



        t = strlen(de->d_name);

        if (entries >= size) {

          size *= 2;

          names = realloc(names, size * sizeof(char*));

          if (names == NULL) {

            fprintf(stderr, "failed to reallocate dir names array (size %d)\n",

                    size);

            exit(1);

          }

        }

        names[entries] = strdup(de->d_name);

        if (names[entries] == NULL) {

          fprintf(stderr, "failed to strdup name \"%s\"\n",

                  de->d_name);

          exit(1);

        }

        ++entries;

    }



    qsort(names, entries, sizeof(char*), compare);



    for (i = 0; i < entries; ++i) {

        t = strlen(names[i]);

        in[ilen] = '/';

        memcpy(in + ilen + 1, de->d_name, t + 1);

        memcpy(in + ilen + 1, names[i], t + 1);



        if(olen > 0) {

            out[olen] = '/';

            memcpy(out + olen + 1, de->d_name, t + 1);

            memcpy(out + olen + 1, names[i], t + 1);

            _archive(in, out, ilen + t + 1, olen + t + 1);

        } else {

            memcpy(out, de->d_name, t + 1);

            memcpy(out, names[i], t + 1);

            _archive(in, out, ilen + t + 1, t);

        }



        in[ilen] = 0;

        out[olen] = 0;



        free(names[i]);

    }

    free(names);

}



static void _archive(char *in, char *out, int ilen, int olen)

include/cutils/native_handle.h

0 → 100644
+28 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2009 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 NATIVE_HANDLE_H_

#define NATIVE_HANDLE_H_



typedef struct

{

    int version;        /* sizeof(native_handle) */

    int numFds;         /* number of file-descriptors at &data[0] */

    int numInts;        /* number of ints at &data[numFds] */

    int data[0];        /* numFds + numInts ints */

} native_handle;



#endif /* NATIVE_HANDLE_H_ */

libmincrypt/Android.mk

+7 −0
Original line number Diff line number Diff line
@@ -7,5 +7,12 @@ LOCAL_MODULE := libmincrypt 
LOCAL_SRC_FILES := rsa.c sha.c

include $(BUILD_STATIC_LIBRARY)



include $(CLEAR_VARS)



LOCAL_MODULE := libmincrypt

LOCAL_SRC_FILES := rsa.c sha.c

include $(BUILD_HOST_STATIC_LIBRARY)





# TODO: drop the hyphen once these are checked in

include $(LOCAL_PATH)/tools/Android.mk

mkbootimg/Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ LOCAL_PATH:= $(call my-dir) 
include $(CLEAR_VARS)



LOCAL_SRC_FILES := mkbootimg.c

LOCAL_STATIC_LIBRARIES := libmincrypt



LOCAL_MODULE := mkbootimg

mkbootimg/mkbootimg.c

+34 −40
Original line number Diff line number Diff line
@@ -21,8 +21,8 @@ 
#include <unistd.h>

#include <fcntl.h>

#include <errno.h>

#include <time.h>



#include "mincrypt/sha.h"

#include "bootimg.h"



static void *load_file(const char *fn, unsigned *_sz)
@@ -90,17 +90,6 @@ int write_padding(int fd, unsigned pagesize, unsigned itemsize) 
    }

}



unsigned checksum(void *_ptr, unsigned len)

{

    unsigned chk = 0;

    unsigned char *ptr = _ptr;

    while (len > 0) {

        chk += *ptr++;

        len--;

    }

    return chk;

}



int main(int argc, char **argv)

{

    boot_img_hdr hdr;
@@ -117,6 +106,8 @@ int main(int argc, char **argv) 
    unsigned pagesize = 2048;

    unsigned saddr = 0;

    int fd;

    SHA_CTX ctx;

    uint8_t* sha;



    argc--;

    argv++;
@@ -215,15 +206,19 @@ int main(int argc, char **argv) 
        }

    }



        /* put some stuff in the header to differentiate between

         * different boot images.  SHA1 would be nicer, but this

         * isn't for crypto grade anything, just to have a quick

         * way to compare boot.imgs based on their first 2k

    /* put a hash of the contents in the header so boot images can be

     * differentiated based on their first 2k.

     */

    hdr.id[0] = (unsigned) time(0);

    hdr.id[1] = checksum(kernel_data, hdr.kernel_size);

    hdr.id[2] = checksum(ramdisk_data, hdr.ramdisk_size);

    hdr.id[3] = checksum(second_data, hdr.second_size);

    SHA_init(&ctx);

    SHA_update(&ctx, kernel_data, hdr.kernel_size);

    SHA_update(&ctx, &hdr.kernel_size, sizeof(hdr.kernel_size));

    SHA_update(&ctx, ramdisk_data, hdr.ramdisk_size);

    SHA_update(&ctx, &hdr.ramdisk_size, sizeof(hdr.ramdisk_size));

    SHA_update(&ctx, second_data, hdr.second_size);

    SHA_update(&ctx, &hdr.second_size, sizeof(hdr.second_size));

    sha = SHA_final(&ctx);

    memcpy(hdr.id, sha,

           SHA_DIGEST_SIZE > sizeof(hdr.id) ? sizeof(hdr.id) : SHA_DIGEST_SIZE);



    fd = open(bootimg, O_CREAT | O_TRUNC | O_WRONLY, 0644);

    if(fd < 0) {
@@ -254,4 +249,3 @@ fail: 
            strerror(errno));

    return 1;

}