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This commit is contained in:
Werner Koch 1998-07-29 19:35:05 +00:00
parent 1a80de41a5
commit 5ae562b41d
48 changed files with 2044 additions and 984 deletions
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18
g10/build-packet.c
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@ -51,6 +51,7 @@ static int calc_header_length( u32 len );
static int write_16(IOBUF inp, u16 a);
static int write_32(IOBUF inp, u32 a);
static int write_header( IOBUF out, int ctb, u32 len );
static int write_sign_packet_header( IOBUF out, int ctb, u32 len );
static int write_header2( IOBUF out, int ctb, u32 len, int hdrlen, int blkmode );
static int write_new_header( IOBUF out, int ctb, u32 len, int hdrlen );
static int write_version( IOBUF out, int ctb );
@ -669,7 +670,10 @@ do_signature( IOBUF out, int ctb, PKT_signature *sig )
for(i=0; i < n; i++ )
mpi_write(a, sig->data[i] );
write_header(out, ctb, iobuf_get_temp_length(a) );
if( is_RSA(sig->pubkey_algo) && sig->version < 4 )
write_sign_packet_header(out, ctb, iobuf_get_temp_length(a) );
else
write_header(out, ctb, iobuf_get_temp_length(a) );
if( iobuf_write_temp( out, a ) )
rc = G10ERR_WRITE_FILE;
@ -747,6 +751,18 @@ write_header( IOBUF out, int ctb, u32 len )
return write_header2( out, ctb, len, 0, 1 );
}
static int
write_sign_packet_header( IOBUF out, int ctb, u32 len )
{
/* work around a bug in the pgp read function for signature packets,
* which are not correctly coded and silently assume at some
* point 2 byte length headers.*/
iobuf_put(out, 0x89 );
iobuf_put(out, len >> 8 );
return iobuf_put(out, len ) == -1 ? -1:0;
}
/****************
* if HDRLEN is > 0, try to build a header of this length.
* we need this, so that we can hash packets without reading them again.