mirror of
git://git.gnupg.org/gnupg.git
synced 2025-01-21 14:47:03 +01:00
g10/armor: remove unused unarmor_pump code
* g10/armor.c (unarmor_state_e, unarmor_pump_s, unarmor_pump_new) (unarmor_pump_release, unarmor_pump): Remove. * g10/filter.h (UnarmorPump, unarmor_pump_new, unarmor_pump_release) (unarmor_pump): Remove. -- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
This commit is contained in:
Jussi Kivilinna
parent
a571bb8df5
commit
47424881b2
218
g10/armor.c
218
g10/armor.c
@ -1350,221 +1350,3 @@ make_radix64_string( const byte *data, size_t len )
|
||||
*p = 0;
|
||||
return buffer;
|
||||
}
|
||||
|
||||
|
||||
/***********************************************
|
||||
* For the pipemode command we can't use the armor filter for various
|
||||
* reasons, so we use this new unarmor_pump stuff to remove the armor
|
||||
*/
|
||||
|
||||
enum unarmor_state_e {
|
||||
STA_init = 0,
|
||||
STA_bypass,
|
||||
STA_wait_newline,
|
||||
STA_wait_dash,
|
||||
STA_first_dash,
|
||||
STA_compare_header,
|
||||
STA_found_header_wait_newline,
|
||||
STA_skip_header_lines,
|
||||
STA_skip_header_lines_non_ws,
|
||||
STA_read_data,
|
||||
STA_wait_crc,
|
||||
STA_read_crc,
|
||||
STA_ready
|
||||
};
|
||||
|
||||
struct unarmor_pump_s {
|
||||
enum unarmor_state_e state;
|
||||
byte val;
|
||||
int checkcrc;
|
||||
int pos; /* counts from 0..3 */
|
||||
u32 crc;
|
||||
u32 mycrc; /* the one store in the data */
|
||||
};
|
||||
|
||||
|
||||
|
||||
UnarmorPump
|
||||
unarmor_pump_new (void)
|
||||
{
|
||||
UnarmorPump x;
|
||||
|
||||
if( !is_initialized )
|
||||
initialize();
|
||||
x = xmalloc_clear (sizeof *x);
|
||||
return x;
|
||||
}
|
||||
|
||||
void
|
||||
unarmor_pump_release (UnarmorPump x)
|
||||
{
|
||||
xfree (x);
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the next character from the ascii armor taken from the IOBUF
|
||||
* created earlier by unarmor_pump_new().
|
||||
* Return: c = Character
|
||||
* 256 = ignore this value
|
||||
* -1 = End of current armor
|
||||
* -2 = Premature EOF (not used)
|
||||
* -3 = Invalid armor
|
||||
*/
|
||||
int
|
||||
unarmor_pump (UnarmorPump x, int c)
|
||||
{
|
||||
int rval = 256; /* default is to ignore the return value */
|
||||
|
||||
switch (x->state) {
|
||||
case STA_init:
|
||||
{
|
||||
byte tmp[2];
|
||||
tmp[0] = c;
|
||||
tmp[1] = 0;
|
||||
if ( is_armored (tmp) )
|
||||
x->state = c == '-'? STA_first_dash : STA_wait_newline;
|
||||
else {
|
||||
x->state = STA_bypass;
|
||||
return c;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case STA_bypass:
|
||||
return c; /* return here to avoid crc calculation */
|
||||
case STA_wait_newline:
|
||||
if (c == '\n')
|
||||
x->state = STA_wait_dash;
|
||||
break;
|
||||
case STA_wait_dash:
|
||||
x->state = c == '-'? STA_first_dash : STA_wait_newline;
|
||||
break;
|
||||
case STA_first_dash: /* just need for initialization */
|
||||
x->pos = 0;
|
||||
x->state = STA_compare_header; /* fall through */
|
||||
case STA_compare_header:
|
||||
if ( "-----BEGIN PGP SIGNATURE-----"[++x->pos] == c ) {
|
||||
if ( x->pos == 28 )
|
||||
x->state = STA_found_header_wait_newline;
|
||||
}
|
||||
else
|
||||
x->state = c == '\n'? STA_wait_dash : STA_wait_newline;
|
||||
break;
|
||||
case STA_found_header_wait_newline:
|
||||
/* to make CR,LF issues easier we simply allow for white space
|
||||
behind the 5 dashes */
|
||||
if ( c == '\n' )
|
||||
x->state = STA_skip_header_lines;
|
||||
else if ( c != '\r' && c != ' ' && c != '\t' )
|
||||
x->state = STA_wait_dash; /* garbage after the header line */
|
||||
break;
|
||||
case STA_skip_header_lines:
|
||||
/* i.e. wait for one empty line */
|
||||
if ( c == '\n' ) {
|
||||
x->state = STA_read_data;
|
||||
x->crc = CRCINIT;
|
||||
x->val = 0;
|
||||
x->pos = 0;
|
||||
}
|
||||
else if ( c != '\r' && c != ' ' && c != '\t' )
|
||||
x->state = STA_skip_header_lines_non_ws;
|
||||
break;
|
||||
case STA_skip_header_lines_non_ws:
|
||||
/* like above but we already encountered non white space */
|
||||
if ( c == '\n' )
|
||||
x->state = STA_skip_header_lines;
|
||||
break;
|
||||
case STA_read_data:
|
||||
/* fixme: we don't check for the trailing dash lines but rely
|
||||
* on the armor stop characters */
|
||||
if( c == '\n' || c == ' ' || c == '\r' || c == '\t' )
|
||||
break; /* skip all kind of white space */
|
||||
|
||||
if( c == '=' ) { /* pad character: stop */
|
||||
if( x->pos == 1 ) /* in this case val has some value */
|
||||
rval = x->val;
|
||||
x->state = STA_wait_crc;
|
||||
break;
|
||||
}
|
||||
|
||||
{
|
||||
int c2;
|
||||
if( (c = asctobin[(c2=c)]) == 255 ) {
|
||||
log_error(_("invalid radix64 character %02X skipped\n"), c2);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
switch(x->pos) {
|
||||
case 0:
|
||||
x->val = c << 2;
|
||||
break;
|
||||
case 1:
|
||||
x->val |= (c>>4)&3;
|
||||
rval = x->val;
|
||||
x->val = (c<<4)&0xf0;
|
||||
break;
|
||||
case 2:
|
||||
x->val |= (c>>2)&15;
|
||||
rval = x->val;
|
||||
x->val = (c<<6)&0xc0;
|
||||
break;
|
||||
case 3:
|
||||
x->val |= c&0x3f;
|
||||
rval = x->val;
|
||||
break;
|
||||
}
|
||||
x->pos = (x->pos+1) % 4;
|
||||
break;
|
||||
case STA_wait_crc:
|
||||
if( c == '\n' || c == ' ' || c == '\r' || c == '\t' || c == '=' )
|
||||
break; /* skip ws and pad characters */
|
||||
/* assume that we are at the next line */
|
||||
x->state = STA_read_crc;
|
||||
x->pos = 0;
|
||||
x->mycrc = 0; /* fall through */
|
||||
case STA_read_crc:
|
||||
if( (c = asctobin[c]) == 255 ) {
|
||||
rval = -1; /* ready */
|
||||
if( x->crc != x->mycrc ) {
|
||||
log_info (_("CRC error; %06lX - %06lX\n"),
|
||||
(ulong)x->crc, (ulong)x->mycrc);
|
||||
if ( invalid_crc() )
|
||||
rval = -3;
|
||||
}
|
||||
x->state = STA_ready; /* not sure whether this is correct */
|
||||
break;
|
||||
}
|
||||
|
||||
switch(x->pos) {
|
||||
case 0:
|
||||
x->val = c << 2;
|
||||
break;
|
||||
case 1:
|
||||
x->val |= (c>>4)&3;
|
||||
x->mycrc |= x->val << 16;
|
||||
x->val = (c<<4)&0xf0;
|
||||
break;
|
||||
case 2:
|
||||
x->val |= (c>>2)&15;
|
||||
x->mycrc |= x->val << 8;
|
||||
x->val = (c<<6)&0xc0;
|
||||
break;
|
||||
case 3:
|
||||
x->val |= c&0x3f;
|
||||
x->mycrc |= x->val;
|
||||
break;
|
||||
}
|
||||
x->pos = (x->pos+1) % 4;
|
||||
break;
|
||||
case STA_ready:
|
||||
rval = -1;
|
||||
break;
|
||||
}
|
||||
|
||||
if ( !(rval & ~255) ) { /* compute the CRC */
|
||||
x->crc = (x->crc << 8) ^ crc_table[((x->crc >> 16)&0xff) ^ rval];
|
||||
x->crc &= 0x00ffffff;
|
||||
}
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
@ -69,8 +69,6 @@ typedef struct {
|
||||
int pending_lf; /* used together with faked */
|
||||
} armor_filter_context_t;
|
||||
|
||||
struct unarmor_pump_s;
|
||||
typedef struct unarmor_pump_s *UnarmorPump;
|
||||
|
||||
|
||||
struct compress_filter_context_s {
|
||||
@ -172,9 +170,6 @@ armor_filter_context_t *new_armor_context (void);
|
||||
void release_armor_context (armor_filter_context_t *afx);
|
||||
int push_armor_filter (armor_filter_context_t *afx, iobuf_t iobuf);
|
||||
int use_armor_filter( iobuf_t a );
|
||||
UnarmorPump unarmor_pump_new (void);
|
||||
void unarmor_pump_release (UnarmorPump x);
|
||||
int unarmor_pump (UnarmorPump x, int c);
|
||||
|
||||
/*-- compress.c --*/
|
||||
gpg_error_t push_compress_filter (iobuf_t out, compress_filter_context_t *zfx,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user