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* g10.c (print_hex, print_mds): Print long hash strings a lot neater.

Browse Source 
This assumes at least an 80-character display, as there are a few other
similar assumptions here and there.  Users who need unformatted hashes can
still use with-colons.
This commit is contained in:
David Shaw 2003-02-05 16:22:30 +00:00
parent 443e083f4a
commit d52392f9e1
2 changed files with 95 additions and 57 deletions
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7
g10/ChangeLog
View File

@ -1,3 +1,10 @@
2003-02-05 David Shaw <dshaw@jabberwocky.com>
* g10.c (print_hex, print_mds): Print long hash strings a lot
neater. This assumes at least an 80-character display, as there
are a few other similar assumptions here and there. Users who
need unformatted hashes can still use with-colons.
2003-02-04 David Shaw <dshaw@jabberwocky.com>
* armor.c (parse_hash_header, armor_filter): Accept the new SHAs

147
g10/g10.c
View File

@ -605,7 +605,6 @@ static char *build_list( const char *text, char letter,
const char *(*mapf)(int), int (*chkf)(int) );
static void set_cmd( enum cmd_and_opt_values *ret_cmd,
enum cmd_and_opt_values new_cmd );
static void print_hex( byte *p, size_t n );
static void print_mds( const char *fname, int algo );
static void add_notation_data( const char *string, int which );
static void add_policy_url( const char *string, int which );
@ -2569,40 +2568,89 @@ g10_exit( int rc )
}
/* Pretty-print hex hashes. This assumes at least an 80-character
display, but there are a few other similar assumptions in the
display code. */
static void
print_hex( byte *p, size_t n )
print_hex( MD_HANDLE md, int algo, const char *fname )
{
int i;
int i,n,count,indent=0;
const byte *p;
if( n == 16 ) {
for(i=0; i < n ; i++, p++ ) {
if( i )
putchar(' ');
if( i && !(i%8) )
putchar(' ');
printf("%02X", *p );
if(fname)
indent=printf("%s: ",fname);
if(indent>40)
{
printf("\n");
indent=0;
}
if(algo==DIGEST_ALGO_RMD160)
indent+=printf("RMD160 = ");
else if(algo==DIGEST_ALGO_TIGER)
indent+=printf(" TIGER = ");
else if(algo>0)
indent+=printf("%6s = ",digest_algo_to_string(algo));
else
algo=abs(algo);
count=indent;
p = md_read( md, algo );
n = md_digest_length(algo);
count+=printf("%02X",*p++);
for(i=1;i<n;i++,p++)
{
if(n==16)
{
if(count+2>79)
{
printf("\n%*s",indent," ");
count=indent;
}
else
count+=printf(" ");
if(!(i%8))
count+=printf(" ");
}
else if (n==20)
{
if(!(i%2))
{
if(count+4>79)
{
printf("\n%*s",indent," ");
count=indent;
}
else
count+=printf(" ");
}
if(!(i%10))
count+=printf(" ");
}
else
{
if(!(i%4))
{
if(count+8>79)
{
printf("\n%*s",indent," ");
count=indent;
}
else
count+=printf(" ");
}
}
else if( n == 20 ) {
for(i=0; i < n ; i++, i++, p += 2 ) {
if( i )
putchar(' ');
if( i == 10 )
putchar(' ');
printf("%02X%02X", *p, p[1] );
}
}
else {
for(i=0; i < n ; i += 4, p += 4 ) {
if( i )
putchar(' ');
if( i == 12 && n <= 24 )
putchar(' ');
printf("%02X%02X%02X%02X", *p, p[1], p[2], p[3] );
}
count+=printf("%02X",*p);
}
printf("\n");
}
static void
@ -2636,23 +2684,18 @@ print_mds( const char *fname, int algo )
char buf[1024];
size_t n;
MD_HANDLE md;
char *pname;
if( !fname ) {
fp = stdin;
#ifdef HAVE_DOSISH_SYSTEM
setmode ( fileno(fp) , O_BINARY );
#endif
pname = m_strdup("[stdin]: ");
}
else {
pname = m_alloc(strlen(fname)+3);
strcpy(stpcpy(pname,fname),": ");
fp = fopen( fname, "rb" );
}
if( !fp ) {
log_error("%s%s\n", pname, strerror(errno) );
m_free(pname);
log_error("%s: %s\n", fname?fname:"[stdin]", strerror(errno) );
return;
}
@ -2673,7 +2716,7 @@ print_mds( const char *fname, int algo )
while( (n=fread( buf, 1, DIM(buf), fp )) )
md_write( md, buf, n );
if( ferror(fp) )
log_error("%s%s\n", pname, strerror(errno) );
log_error("%s: %s\n", fname?fname:"[stdin]", strerror(errno) );
else {
md_final(md);
if ( opt.with_colons ) {
@ -2691,30 +2734,18 @@ print_mds( const char *fname, int algo )
}
}
else {
if( algo ) {
if( fname )
fputs( pname, stdout );
print_hex(md_read(md, algo), md_digest_length(algo) );
}
if( algo )
print_hex(md,-algo,fname);
else {
printf( "%s MD5 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_MD5), 16 );
printf("\n%s SHA1 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_SHA1), 20 );
printf("\n%sRMD160 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_RMD160), 20 );
if( !check_digest_algo(DIGEST_ALGO_TIGER) ) {
printf("\n%s TIGER = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_TIGER), 24 );
print_hex( md, DIGEST_ALGO_MD5, fname );
print_hex( md, DIGEST_ALGO_SHA1, fname );
print_hex( md, DIGEST_ALGO_RMD160, fname );
if( !check_digest_algo(DIGEST_ALGO_TIGER) )
print_hex( md, DIGEST_ALGO_TIGER, fname );
print_hex( md, DIGEST_ALGO_SHA256, fname );
print_hex( md, DIGEST_ALGO_SHA384, fname );
print_hex( md, DIGEST_ALGO_SHA512, fname );
}
printf("\n%sSHA256 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_SHA256), 32 );
printf("\n%sSHA384 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_SHA384), 48 );
printf("\n%sSHA512 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_SHA512), 64 );
}
putchar('\n');
}
}
md_close(md);