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/*
* $Id: pilot-getrom.c,v 1.47 2009/06/04 13:32:31 desrod Exp $
*
* pilot-getrom: Fetch ROM image from Palm, without using getrom.prc.
* Contains all functional code from getram and getromtoken,
* too, with additional copyrights.
*
* Copyright (C) 2002, Owen Stenseth
* Copyright (C) 1997, Kenneth Albanowski
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "popt.h"
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <string.h>
#include <netinet/in.h>
#include "pi-header.h"
#include "pi-source.h"
#include "pi-syspkt.h"
#include "pi-dlp.h"
#include "pi-header.h"
#include "pi-userland.h"
#ifndef DEFAULT_MODE
#define DEFAULT_MODE mode_getrom
#endif
/* Cancel code, common to all the get* */
int cancel = 0;
static void sighandler(int signo)
{
cancel = 1;
}
/* Per-action code. */
/* Check ROM version, return < 0 if the ROM doesn't support RPC.
* Otherwise, fill buffer with filename + romversion string.
*/
static int check_romversion(int sd, plu_romversion_t *version)
{
if (plu_getromversion(sd,version) < 0) {
fprintf(stderr," ERROR: Could not retrieve ROM version.\n");
return -1;
}
/* OS5 devices no longer support RPC, and will crash if we try to call it */
if ((version->major >= 5)) {
printf(" Unfortunately, Palm changed the underlying protocol used to fetch ROM\n"
" images from the handheld in a fatal way, and accessing them with these\n"
" tools will cause the Palm to crash.\n\n"
" Future versions of these tools may be updated to work around these\n"
" problems. For now, we'd like to avoid crashing your device.\n\n");
return -2;
}
return 0;
}
int do_get_rom(int sd,const char *filename)
{
int i,
file = -1,
timespent = 0;
struct RPC_params p;
plu_romversion_t version;
unsigned long ROMstart;
unsigned long ROMlength;
unsigned long offset;
unsigned long left;
char name[256],
print[256];
time_t start = time(NULL), end;
/* Tell user (via Palm) that we are starting things up */
dlp_OpenConduit(sd);
if (check_romversion(sd,&version) < 0) {
return -1;
}
PackRPC(&p, 0xA23E, RPC_IntReply, RPC_Long(0xFFFFFFFF), RPC_End);
/* err = */ dlp_RPC(sd, &p, &ROMstart);
PackRPC(&p, 0xA23E, RPC_IntReply, RPC_Long(ROMstart), RPC_End);
/* err = */ dlp_RPC(sd, &p, &ROMlength);
/* As Steve said, "Bummer." */
if ((version.major == 3) && (version.minor == 0)
&& (ROMlength == 0x100000)) {
ROMlength = 0x200000;
}
snprintf(name, sizeof(name),"%s%s.rom",
(filename ? filename : "pilot-"),
version.name);
if (!plu_quiet) {
printf(" Generating %s\n", name);
}
file = open(name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
offset = lseek(file, 0, SEEK_END);
offset &= ~255;
lseek(file, offset, SEEK_SET);
PackRPC(&p, 0xA164, RPC_IntReply, RPC_Byte(1), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
sprintf(print, "Downloading byte %ld", offset);
PackRPC(&p, 0xA220, RPC_IntReply, RPC_Ptr(print, strlen(print)),
RPC_Short(strlen(print)), RPC_Short(0), RPC_Short(28),
RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
signal(SIGINT, sighandler);
left = ROMlength - offset;
i = offset;
while (left > 0) {
int len = left,
j;
char buffer[256];
double perc = ((double) offset / ROMlength) * 100.0;
if (len > 256)
len = 256;
if (!plu_quiet) {
printf("\r %ld of %ld bytes (%.2f%%)", offset, ROMlength, perc);
}
fflush(stdout);
PackRPC(&p, 0xA026, RPC_IntReply, RPC_Ptr(buffer, len),
RPC_Long(offset + ROMstart), RPC_Long(len),
RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
left -= len;
/* If the buffer only contains zeros, skip instead of
writing, so that the file will be holey. */
for (j = 0; j < len; j++)
if (buffer[j])
break;
if (j == len)
lseek(file, len, SEEK_CUR);
else
write(file, buffer, len);
offset += len;
if (cancel || !(i++ % 8))
if (cancel || (dlp_OpenConduit(sd) < 0)) {
printf("\n Operation cancelled!\n");
dlp_AddSyncLogEntry(sd, "\npilot-getrom ended unexpectedly.\n"
"Entire ROM was not fetched.\n");
goto cancel;
}
if (!(i % 16)) {
sprintf(print, "%ld", offset);
PackRPC(&p, 0xA220, RPC_IntReply,
RPC_Ptr(print, strlen(print)),
RPC_Short(strlen(print)), RPC_Short(92),
RPC_Short(28), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
}
}
end = time(NULL);
timespent = (end-start);
if (!plu_quiet) {
printf("\n ROM fetch complete\n");
printf(" ROM fetched in: %d:%02d:%02d\n",timespent/3600, (timespent/60)%60, timespent%60);
}
cancel:
if (file>=0) {
close(file);
}
return 0;
}
int do_get_ram(int sd, const char *filename)
{
char name[256],
print[256];
time_t start = time(NULL), end;
struct RPC_params p;
plu_romversion_t version;
unsigned long SRAMstart, SRAMlength, offset, left;
int i,
file = -1,
j,
timespent = 0;
/* Tell user (via Palm) that we are starting things up */
dlp_OpenConduit(sd);
if (check_romversion(sd, &version) < 0) {
return 1;
}
PackRPC(&p, 0xA23D, RPC_IntReply, RPC_Long(0xFFFFFFFE), RPC_End);
/* err = */ dlp_RPC(sd, &p, &SRAMstart);
PackRPC(&p, 0xA23D, RPC_IntReply, RPC_Long(SRAMstart), RPC_End);
/* err = */ dlp_RPC(sd, &p, &SRAMlength);
snprintf(name, sizeof(name),"%s%s.ram",
(filename ? filename : "pilot-"),
version.name);
if (!plu_quiet) {
printf(" Generating %s\n", name);
}
file = open(name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
offset = lseek(file, 0, SEEK_END);
offset &= ~255;
lseek(file, offset, SEEK_SET);
PackRPC(&p, 0xA164, RPC_IntReply, RPC_Byte(1), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
sprintf(print, "Downloading byte %ld", offset);
PackRPC(&p, 0xA220, RPC_IntReply, RPC_Ptr(print, strlen(print)),
RPC_Short(strlen(print)), RPC_Short(0), RPC_Short(28),
RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
#if 0
PackRPC(&p, 0xA026, RPC_IntReply, RPC_LongPtr(&penPtr),
RPC_Long(364), RPC_Long(4), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
printf("penPtr = %lu (%8.8lX)\n", penPtr, penPtr);
PackRPC(&p, 0xA026, RPC_IntReply, RPC_Ptr(print, 8),
RPC_Long(penPtr), RPC_Long(8), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
pi_dumpdata(print, 8);
#endif
signal(SIGINT, sighandler);
left = SRAMlength - offset;
i = offset;
while (left > 0) {
int len = left;
char buffer[256];
double perc = ((double) offset / SRAMlength) * 100.0;
if (len > 256)
len = 256;
if (!plu_quiet) {
printf("\r %ld of %ld bytes (%.2f%%)", offset, SRAMlength, perc);
}
fflush(stdout);
PackRPC(&p, 0xA026, RPC_IntReply, RPC_Ptr(buffer, len),
RPC_Long(offset + SRAMstart), RPC_Long(len),
RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
left -= len;
/* If the buffer only contains zeros, skip instead of
writing, so that the file will be holey. */
for (j = 0; j < len; j++)
if (buffer[j])
break;
if (j == len)
lseek(file, len, SEEK_CUR);
else
write(file, buffer, len);
offset += len;
if (cancel || !(i++ % 4))
if (cancel || (dlp_OpenConduit(sd) < 0)) {
printf("\n Operation cancelled!\n");
dlp_AddSyncLogEntry(sd, "\npilot-getrom ended unexpectedly.\n"
"Entire RAM was not fetched.\n");
goto cancel;
}
if (!(i % 8)) {
sprintf(print, "%ld", offset);
PackRPC(&p, 0xA220, RPC_IntReply,
RPC_Ptr(print, strlen(print)),
RPC_Short(strlen(print)), RPC_Short(92),
RPC_Short(28), RPC_End);
/* err = */ dlp_RPC(sd, &p, 0);
}
}
end = time(NULL);
timespent = (end-start);
if (!plu_quiet) {
printf(" RAM fetch complete\n");
printf(" RAM fetched in: %d:%02d:%02d\n",timespent/3600, (timespent/60)%60, timespent%60);
}
cancel:
if (file >=0) {
close(file);
}
return 0;
}
int do_get_token(int sd, const char *token)
{
unsigned long t = 0;
size_t size;
char buffer[50];
if (!token) {
return -1;
}
/* asking for trouble on aligned architectures */
set_long(&t,*((long *)token));
size = sizeof(buffer);
if (dlp_GetROMToken(sd, t, buffer, &size) < 0) {
return -1;
}
fprintf(stdout, "Token for '%s' was: %s\n", token, buffer);
return 0;
}
int do_sysinfo(int sd)
{
struct SysInfo info;
char buf[256];
if (dlp_ReadSysInfo(sd,&info) < 0) {
fprintf(stderr," ERROR: Could not read Palm System Information.\n");
return -1;
}
memset(buf,0,sizeof(buf));
strncpy(buf,info.prodID,info.prodIDLength < sizeof(buf)-1 ? info.prodIDLength : sizeof(buf)-1);
fprintf(stdout,"ProdId..:%s\n", buf);
fprintf(stdout,"ROM.....:%ld\n", info.romVersion);
fprintf(stdout,"DLP.....:%d.%d\n", info.dlpMajorVersion,info.dlpMinorVersion);
fprintf(stdout,"Compat..:%d.%d\n", info.compatMajorVersion,info.compatMinorVersion);
fprintf(stdout,"Locale..:%ld\n", info.locale);
fprintf(stdout,"MaxRec..:%ld\n", info.maxRecSize);
return 0;
}
int main(int argc, const char *argv[])
{
int c, /* switch */
sd = -1;
const char **args = NULL;
const char *filename = NULL;
char *token = NULL;
enum { mode_none, mode_getrom = 'R', mode_getram = 'r', mode_gettoken = 't', mode_sysinfo='s' } mode = mode_none;
poptContext po;
struct poptOption options[] = {
USERLAND_RESERVED_OPTIONS
{"token", 't', POPT_ARG_STRING, &token, 't', "A ROM token to read (i.e. snum)", "token"},
{"sysinfo",'s',POPT_ARG_NONE, NULL, 's', "Print SysInfo", NULL},
{"ram", 0 , POPT_ARG_NONE, NULL, 'r', "Read RAM", NULL},
{"rom", 0 , POPT_ARG_NONE, NULL, 'R', "Read ROM", NULL},
POPT_TABLEEND
};
const char *progname = NULL;
const char *opthelp = NULL;
/* These are optimized away compile-time */
if (DEFAULT_MODE == mode_getrom) {
progname = "pilot-getrom";
opthelp=
"[filename]\n\n"
" Retrieves the ROM image from your Palm device.\n\n";
} else if (DEFAULT_MODE == mode_gettoken) {
progname="pilot-getromtoken";
opthelp=
"\n\n"
" Reads a ROM token from a Palm Handheld device.\n"
" Tokens you may currently extract are:\n"
" adcc: Entropy for internal A->D convertor calibration\n"
" irda: Present only on memory card w/IrDA support\n"
" snum: Device serial number (from Memory Card Flash ID)\n\n"
" Example arguments:\n"
" -p /dev/pilot -t snum\n\n";
} else if (DEFAULT_MODE == mode_getram) {
progname="pilot-getram";
opthelp=
"[filename]\n\n"
" Retrieves the RAM image from your Palm device\n\n";
}
if (!progname) {
fprintf(stderr," ERROR: Compile-time error.\n");
return -1;
}
po = poptGetContext(progname, argc, argv, options, 0);
poptSetOtherOptionHelp(po,opthelp);
if (argc < 2) {
poptPrintUsage(po,stderr,0);
return 1;
}
while ((c = poptGetNextOpt(po)) >= 0) {
switch(c) {
case 's' :
case 't' :
case 'r' :
case 'R' :
if (mode != mode_none) {
fprintf(stderr," ERROR: Use only one of --ram, --rom, and --token.\n");
return 1;
}
mode =c;
break;
default:
fprintf(stderr," ERROR: Unhandled option %d.\n",c);
return 1;
}
}
if ( c < -1) {
plu_badoption(po,c);
}
if (mode == mode_none) {
mode = DEFAULT_MODE;
}
switch(mode) {
case mode_getrom:
case mode_getram:
args = poptGetArgs(po);
if (args && args[0] && args[1]) {
fprintf(stderr," ERROR: Specify at most one filename.\n");
return 1;
}
if (args && args[0]) {
filename = args[0];
}
break;
case mode_gettoken:
if (!token) {
fprintf(stderr," ERROR: Must specify a token.\n");
return 1;
}
break;
case mode_sysinfo:
break;
case mode_none:
/* impossible */
return 1;
}
switch(mode) {
case mode_getrom:
printf(
" NOTICE: Use of this program may place you in violation\n"
" of your license agreement with Palm Computing.\n\n"
" Please read your Palm Computing handbook (\"Software\n"
" License Agreement\") before running this program.\n\n");
/* FALLTHRU */
case mode_getram:
printf(
" WARNING: Please completely back up your Palm (with pilot-xfer -b)\n"
" before using this program!\n\n");
break;
case mode_sysinfo:
case mode_none:
case mode_gettoken:
/* nothing to do */
break;
}
sd = plu_connect();
if (sd < 0) {
return -1;
}
switch(mode) {
case mode_getrom:
c = do_get_rom(sd,filename);
break;
case mode_gettoken:
c = do_get_token(sd,token);
break;
case mode_getram:
c = do_get_ram(sd,filename);
break;
case mode_sysinfo:
c = do_sysinfo(sd);
break;
case mode_none:
/* impossible */
break;
}
dlp_EndOfSync(sd,0);
pi_close(sd);
return c;
}
/* vi: set ts=8 sw=4 sts=4 noexpandtab: cin */
/* ex: set tabstop=4 expandtab: */
/* Local Variables: */
/* indent-tabs-mode: t */
/* c-basic-offset: 8 */
/* End: */