rbutil/sansapatcher/main.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006-2007 Dave Chapman
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdio.h>
  23 #include <unistd.h>
  24 #include <fcntl.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27 #include <inttypes.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30
  31 #include "sansapatcher.h"
  32 #include "sansaio.h"
  33 #include "parttypes.h"
  34
  35 #define VERSION "0.8 with v6.0 bootloaders"
  36
  37 enum {
  38    NONE,
  39    INSTALL,
  40    INTERACTIVE,
  41    SHOW_INFO,
  42    LIST_IMAGES,
  43    DELETE_BOOTLOADER,
  44    ADD_BOOTLOADER,
  45    READ_FIRMWARE,
  46    WRITE_FIRMWARE,
  47    READ_PARTITION,
  48    WRITE_PARTITION,
  49    UPDATE_OF,
  50    UPDATE_PPBL
  51 };
  52
  53 static void print_usage(void)
  54 {
  55     fprintf(stderr,"Usage: sansapatcher --scan\n");
  56 #ifdef __WIN32__
  57     fprintf(stderr,"    or sansapatcher [DISKNO] [action]\n");
  58 #else
  59     fprintf(stderr,"    or sansapatcher [device] [action]\n");
  60 #endif
  61     fprintf(stderr,"\n");
  62     fprintf(stderr,"Where [action] is one of the following options:\n");
  63     fprintf(stderr,"        --install\n");
  64     fprintf(stderr,"  -l,   --list\n");
  65     fprintf(stderr,"  -rf,  --read-firmware             filename.mi4\n");
  66     fprintf(stderr,"  -a,   --add-bootloader            filename.mi4\n");
  67     fprintf(stderr,"  -d,   --delete-bootloader\n");
  68     fprintf(stderr,"  -of   --update-original-firmware  filename.mi4\n");
  69     fprintf(stderr,"  -bl   --update-ppbl               filename.bin\n");
  70     fprintf(stderr,"\n");
  71
  72 #ifdef __WIN32__
  73     fprintf(stderr,"DISKNO is the number (e.g. 2) Windows has assigned to your sansa's hard disk.\n");
  74     fprintf(stderr,"The first hard disk in your computer (i.e. C:\\) will be disk 0, the next disk\n");
  75     fprintf(stderr,"will be disk 1 etc.  sansapatcher will refuse to access a disk unless it\n");
  76     fprintf(stderr,"can identify it as being an E200 or C200.\n");
  77     fprintf(stderr,"\n");
  78 #else
  79 #if defined(linux) || defined (__linux)
  80     fprintf(stderr,"\"device\" is the device node (e.g. /dev/sda) assigned to your sansa.\n");
  81 #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
  82     fprintf(stderr,"\"device\" is the device node (e.g. /dev/da1) assigned to your sansa.\n");
  83 #elif defined(__APPLE__) && defined(__MACH__)
  84     fprintf(stderr,"\"device\" is the device node (e.g. /dev/disk1) assigned to your sansa.\n");
  85 #endif
  86     fprintf(stderr,"sansapatcher will refuse to access a disk unless it can identify it as being\n");
  87     fprintf(stderr,"an E200 or C200.\n");
  88 #endif
  89 }
  90
  91 static const char* get_parttype(int pt)
  92 {
  93     int i;
  94     static const char unknown[]="Unknown";
  95
  96     if (pt == -1) {
  97         return "HFS/HFS+";
  98     }
  99
 100     i=0;
 101     while (parttypes[i].name != NULL) {
 102         if (parttypes[i].type == pt) {
 103             return (parttypes[i].name);
 104         }
 105         i++;
 106     }
 107
 108     return unknown;
 109 }
 110
 111 static void display_partinfo(struct sansa_t* sansa)
 112 {
 113     int i;
 114     double sectors_per_MB = (1024.0*1024.0)/sansa->sector_size;
 115
 116     printf("[INFO] Part    Start Sector    End Sector   Size (MB)   Type\n");
 117     for ( i = 0; i < 4; i++ ) {
 118         if (sansa->pinfo[i].start != 0) {
 119             printf("[INFO]    %d      %10ld    %10ld  %10.1f   %s (0x%02x)\n",
 120                    i,
 121                    sansa->pinfo[i].start,
 122                    sansa->pinfo[i].start+sansa->pinfo[i].size-1,
 123                    sansa->pinfo[i].size/sectors_per_MB,
 124                    get_parttype(sansa->pinfo[i].type),
 125                    sansa->pinfo[i].type);
 126         }
 127     }
 128 }
 129
 130
 131 int main(int argc, char* argv[])
 132 {
 133     char yesno[4];
 134     int i;
 135     int n;
 136     char* filename;
 137     int action = SHOW_INFO;
 138     int type;
 139     struct sansa_t sansa;
 140     int res = 0;
 141
 142     fprintf(stderr,"sansapatcher v" VERSION " - (C) Dave Chapman 2006-2007\n");
 143     fprintf(stderr,"This is free software; see the source for copying conditions.  There is NO\n");
 144     fprintf(stderr,"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
 145
 146     if ((argc > 1) && ((strcmp(argv[1],"-h")==0) || (strcmp(argv[1],"--help")==0))) {
 147         print_usage();
 148         return 1;
 149     }
 150
 151     if (sansa_alloc_buffer(&sansa_sectorbuf,BUFFER_SIZE) < 0) {
 152         fprintf(stderr,"Failed to allocate memory buffer\n");
 153     }
 154
 155     if ((argc > 1) && (strcmp(argv[1],"--scan")==0)) {
 156         if (sansa_scan(&sansa) == 0)
 157             fprintf(stderr,"[ERR]  No E200s or C200s found.\n");
 158         return 0;
 159     }
 160
 161     /* If the first parameter doesn't start with -, then we interpret it as a device */
 162     if ((argc > 1) && (argv[1][0] != '-')) {
 163         sansa.diskname[0]=0;
 164 #ifdef __WIN32__
 165         snprintf(sansa.diskname,sizeof(sansa.diskname),"\\\\.\\PhysicalDrive%s",argv[1]);
 166 #else
 167         strncpy(sansa.diskname,argv[1],sizeof(sansa.diskname));
 168 #endif
 169         i = 2;
 170     } else {
 171         /* Autoscan for C200/E200s */
 172         n = sansa_scan(&sansa);
 173         if (n==0) {
 174             fprintf(stderr,"[ERR]  No E200s or C200s found, aborting\n");
 175             fprintf(stderr,"[ERR]  Please connect your sansa and ensure it is in UMS mode\n");
 176 #if defined(__APPLE__) && defined(__MACH__)
 177             fprintf(stderr,"[ERR]  Also ensure that your Sansa's main partition is not mounted.\n");
 178 #elif !defined(__WIN32__)
 179             if (geteuid()!=0) {
 180                 fprintf(stderr,"[ERR]  You may also need to run sansapatcher as root.\n");
 181             }
 182 #endif
 183             fprintf(stderr,"[ERR]  Please refer to the Rockbox manual if you continue to have problems.\n");
 184         } else if (n > 1) {
 185             fprintf(stderr,"[ERR]  %d Sansas found, aborting\n",n);
 186             fprintf(stderr,"[ERR]  Please connect only one Sansa and re-run sansapatcher.\n");
 187         }
 188
 189         if (n != 1) {
 190             if (argc==1) {
 191                 printf("\nPress ENTER to exit sansapatcher :");
 192                 fgets(yesno,4,stdin);
 193             }
 194             return 0;
 195         }
 196
 197         i = 1;
 198     }
 199
 200     action = INTERACTIVE;
 201
 202     while (i < argc) {
 203         if ((strcmp(argv[i],"-l")==0) || (strcmp(argv[i],"--list")==0)) {
 204             action = LIST_IMAGES;
 205             i++;
 206         } else if (strcmp(argv[i],"--install")==0) {
 207             action = INSTALL;
 208             i++;
 209         } else if ((strcmp(argv[i],"-d")==0) ||
 210                    (strcmp(argv[i],"--delete-bootloader")==0)) {
 211             action = DELETE_BOOTLOADER;
 212             i++;
 213         } else if ((strcmp(argv[i],"-a")==0) ||
 214                    (strcmp(argv[i],"--add-bootloader")==0)) {
 215             action = ADD_BOOTLOADER;
 216             type = FILETYPE_MI4;
 217             i++;
 218             if (i == argc) { print_usage(); return 1; }
 219             filename=argv[i];
 220             i++;
 221         } else if ((strcmp(argv[i],"-of")==0) ||
 222                    (strcmp(argv[i],"--update-original-firmware")==0)) {
 223             action = UPDATE_OF;
 224             i++;
 225             if (i == argc) { print_usage(); return 1; }
 226             filename=argv[i];
 227             i++;
 228         } else if ((strcmp(argv[i],"-bl")==0) ||
 229                    (strcmp(argv[i],"--update-ppbl")==0)) {
 230             action = UPDATE_PPBL;
 231             i++;
 232             if (i == argc) { print_usage(); return 1; }
 233             filename=argv[i];
 234             i++;
 235         } else if ((strcmp(argv[i],"-rf")==0) ||
 236                    (strcmp(argv[i],"--read-firmware")==0)) {
 237             action = READ_FIRMWARE;
 238             i++;
 239             if (i == argc) { print_usage(); return 1; }
 240             filename=argv[i];
 241             i++;
 242         }
 243     }
 244
 245     if (sansa.diskname[0]==0) {
 246         print_usage();
 247         return 1;
 248     }
 249
 250     if (sansa_open(&sansa, 0) < 0) {
 251         return 1;
 252     }
 253
 254     fprintf(stderr,"[INFO] Reading partition table from %s\n",sansa.diskname);
 255     fprintf(stderr,"[INFO] Sector size is %d bytes\n",sansa.sector_size);
 256
 257     if (sansa_read_partinfo(&sansa,0) < 0) {
 258         return 2;
 259     }
 260
 261     display_partinfo(&sansa);
 262
 263     i = is_sansa(&sansa);
 264     if (i < 0) {
 265         fprintf(stderr,"[ERR]  Disk is not an E200 or C200 (%d), aborting.\n",i);
 266         return 3;
 267     }
 268
 269     if (sansa.hasoldbootloader) {
 270         printf("[ERR]  ************************************************************************\n");
 271         printf("[ERR]  *** OLD ROCKBOX INSTALLATION DETECTED, ABORTING.\n");
 272         printf("[ERR]  *** You must reinstall the original Sansa firmware before running\n");
 273         printf("[ERR]  *** sansapatcher for the first time.\n");
 274         printf("[ERR]  *** See http://www.rockbox.org/twiki/bin/view/Main/SansaE200Install\n");
 275         printf("[ERR]  ************************************************************************\n");
 276         res = 4;
 277     } else {
 278         if (action==LIST_IMAGES) {
 279             sansa_list_images(&sansa);
 280         } else if (action==INTERACTIVE) {
 281
 282             printf("Enter i to install the Rockbox bootloader, u to uninstall\n or c to cancel and do nothing (i/u/c) :");
 283
 284             if (fgets(yesno,4,stdin)) {
 285                 if (yesno[0]=='i') {
 286                     if (sansa_reopen_rw(&sansa) < 0) {
 287                         res = 5;
 288                     }
 289
 290                     if (sansa_add_bootloader(&sansa, NULL, FILETYPE_INTERNAL)==0) {
 291                         fprintf(stderr,"[INFO] Bootloader installed successfully.\n");
 292                     } else {
 293                         fprintf(stderr,"[ERR]  --install failed.\n");
 294                         res = 6;
 295                     }
 296                 } else if (yesno[0]=='u') {
 297                     if (sansa_reopen_rw(&sansa) < 0) {
 298                         res = 5;
 299                     }
 300
 301                     if (sansa_delete_bootloader(&sansa)==0) {
 302                         fprintf(stderr,"[INFO] Bootloader removed.\n");
 303                     } else {
 304                         fprintf(stderr,"[ERR]  Bootloader removal failed.\n");
 305                         res = 7;
 306                     }
 307                 }
 308             }
 309         } else if (action==READ_FIRMWARE) {
 310             if (sansa_read_firmware(&sansa, filename)==0) {
 311                 fprintf(stderr,"[INFO] Firmware read to file %s.\n",filename);
 312             } else {
 313                 fprintf(stderr,"[ERR]  --read-firmware failed.\n");
 314             }
 315         } else if (action==INSTALL) {
 316             if (sansa_reopen_rw(&sansa) < 0) {
 317                 return 5;
 318             }
 319
 320             if (sansa_add_bootloader(&sansa, NULL, FILETYPE_INTERNAL)==0) {
 321                 fprintf(stderr,"[INFO] Bootloader installed successfully.\n");
 322             } else {
 323                 fprintf(stderr,"[ERR]  --install failed.\n");
 324             }
 325         } else if (action==ADD_BOOTLOADER) {
 326             if (sansa_reopen_rw(&sansa) < 0) {
 327                 return 5;
 328             }
 329
 330             if (sansa_add_bootloader(&sansa, filename, type)==0) {
 331                 fprintf(stderr,"[INFO] Bootloader %s written to device.\n",filename);
 332             } else {
 333                 fprintf(stderr,"[ERR]  --add-bootloader failed.\n");
 334             }
 335         } else if (action==DELETE_BOOTLOADER) {
 336             if (sansa_reopen_rw(&sansa) < 0) {
 337                 return 5;
 338             }
 339
 340             if (sansa_delete_bootloader(&sansa)==0) {
 341                 fprintf(stderr,"[INFO] Bootloader removed successfully.\n");
 342             } else {
 343                 fprintf(stderr,"[ERR]  --delete-bootloader failed.\n");
 344             }
 345         } else if (action==UPDATE_OF) {
 346             if (sansa_reopen_rw(&sansa) < 0) {
 347                 return 5;
 348             }
 349
 350             if (sansa_update_of(&sansa, filename)==0) {
 351                 fprintf(stderr,"[INFO] OF updated successfully.\n");
 352             } else {
 353                 fprintf(stderr,"[ERR]  --update-original-firmware failed.\n");
 354             }
 355         } else if (action==UPDATE_PPBL) {
 356             printf("[WARN] PPBL installation will overwrite your bootloader. This will lead to a\n");
 357             printf("       Sansa that won't boot if the bootloader file is invalid. Only continue if\n");
 358             printf("       you're sure you know what you're doing.\n");
 359             printf("       Continue (y/n)? ");
 360
 361             if (fgets(yesno,4,stdin)) {
 362                 if (yesno[0]=='y') {
 363                     if (sansa_reopen_rw(&sansa) < 0) {
 364                         return 5;
 365                     }
 366
 367                     if (sansa_update_ppbl(&sansa, filename)==0) {
 368                         fprintf(stderr,"[INFO] PPBL updated successfully.\n");
 369                     } else {
 370                         fprintf(stderr,"[ERR]  --update-ppbl failed.\n");
 371                     }
 372                 }
 373             }
 374         }
 375     }
 376
 377     sansa_close(&sansa);
 378
 379     if (action==INTERACTIVE) {
 380         printf("Press ENTER to exit sansapatcher :");
 381         fgets(yesno,4,stdin);
 382     }
 383
 384     return res;
 385 }