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Factor out scramble / mkboot functions to allow easier reuse (for rbutil).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17732 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2008-06-18 22:30:59 +00:00
parent efbd2b8d7a
commit c47988034f
6 changed files with 116 additions and 34 deletions
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50
tools/iriver.c
View file

@ -96,7 +96,7 @@ static FILE * openoutfile( const char * filename )
return F;
}
int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
int iriver_decode(const char *infile_name, const char *outfile_name, BOOL modify,
enum striptype stripmode )
{
FILE * infile = NULL;
@ -120,7 +120,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This doesn't look like a valid encrypted iHP "
"firmware - reason: header length\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -1;
};
i = testheader( headerdata );
@ -128,7 +130,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This firmware is for an unknown model, or is not"
" a valid encrypted iHP firmware\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -2;
};
fprintf( stderr, "Model %s\n", models[ i ] );
@ -149,7 +153,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: file 'length' data\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -3;
};
pChecksums = ppChecksums = (unsigned char *)( malloc( dwLength3 ) );
@ -209,7 +215,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: 'length2' mismatch\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -4;
};
fp = 0;
@ -224,7 +232,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: Checksum mismatch!" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -5;
};
ppChecksums += lenread;
};
@ -233,7 +243,9 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
{
fprintf( stderr, "This doesn't look like a valid encrypted "
"iHP firmware - reason: 'length3' mismatch\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -6;
};
@ -258,7 +270,7 @@ int iriver_decode(char *infile_name, char *outfile_name, BOOL modify,
return 0;
}
int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
int iriver_encode(const char *infile_name, const char *outfile_name, BOOL modify )
{
FILE * infile = NULL;
FILE * outfile = NULL;
@ -281,7 +293,9 @@ int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: header length\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -1;
};
if( modify )
@ -294,7 +308,9 @@ int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
{
fprintf( stderr, "This firmware is for an unknown model, or is not"
" a valid decoded iHP firmware\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -2;
};
fprintf( stderr, "Model %s\n", models[ i ] );
@ -314,7 +330,9 @@ int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
{
fprintf( stderr, "This doesn't look like a valid decoded iHP"
" firmware - reason: file 'length' data\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -3;
};
pChecksums = ppChecksums = (unsigned char *)( malloc( dwLength3 ) );
@ -351,7 +369,9 @@ int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: 'length1' mismatch\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -4;
};
/* write out remainder w/out applying descrambler */
@ -370,10 +390,14 @@ int iriver_encode(char *infile_name, char *outfile_name, BOOL modify )
{
fprintf( stderr, "This doesn't look like a valid decoded "
"iHP firmware - reason: 'length2' mismatch\n" );
exit( -1 );
fclose(infile);
fclose(outfile);
return -5;
};
fprintf( stderr, "File encoded successfully and checksum table built!\n" );
fclose(infile);
fclose(outfile);
return 0;
}