mirror of
git://git.gnupg.org/gnupg.git
synced 2024-10-31 20:08:43 +01:00
9382b621ad
key ID field. * fingerprint.c (gpgsm_get_short_fingerprint): New. * verify.c (gpgsm_verify): Print more verbose info for a good signature.
458 lines
10 KiB
C
458 lines
10 KiB
C
/* certdump.c - Dump a certificate for debugging
|
||
* Copyright (C) 2001 Free Software Foundation, Inc.
|
||
*
|
||
* This file is part of GnuPG.
|
||
*
|
||
* GnuPG 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.
|
||
*
|
||
* GnuPG 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||
*/
|
||
|
||
#include <config.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <errno.h>
|
||
#include <unistd.h>
|
||
#include <time.h>
|
||
#include <assert.h>
|
||
|
||
#include <gcrypt.h>
|
||
#include <ksba.h>
|
||
|
||
#include "gpgsm.h"
|
||
#include "keydb.h"
|
||
#include "i18n.h"
|
||
|
||
struct dn_array_s {
|
||
char *key;
|
||
char *value;
|
||
};
|
||
|
||
|
||
/* print the first element of an S-Expression */
|
||
void
|
||
gpgsm_print_serial (FILE *fp, KsbaConstSexp p)
|
||
{
|
||
unsigned long n;
|
||
KsbaConstSexp endp;
|
||
|
||
if (!p)
|
||
fputs (_("none"), fp);
|
||
else if (*p != '(')
|
||
fputs ("[Internal error - not an S-expression]", fp);
|
||
else
|
||
{
|
||
p++;
|
||
n = strtoul (p, (char**)&endp, 10);
|
||
p = endp;
|
||
if (*p!=':')
|
||
fputs ("[Internal Error - invalid S-expression]", fp);
|
||
else
|
||
{
|
||
for (p++; n; n--, p++)
|
||
fprintf (fp, "%02X", *p);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
void
|
||
gpgsm_dump_serial (KsbaConstSexp p)
|
||
{
|
||
unsigned long n;
|
||
KsbaConstSexp endp;
|
||
|
||
if (!p)
|
||
log_printf ("none");
|
||
else if (*p != '(')
|
||
log_printf ("ERROR - not an S-expression");
|
||
else
|
||
{
|
||
p++;
|
||
n = strtoul (p, (char**)&endp, 10);
|
||
p = endp;
|
||
if (*p!=':')
|
||
log_printf ("ERROR - invalid S-expression");
|
||
else
|
||
{
|
||
for (p++; n; n--, p++)
|
||
log_printf ("%02X", *p);
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
gpgsm_print_time (FILE *fp, time_t t)
|
||
{
|
||
if (!t)
|
||
fputs (_("none"), fp);
|
||
else if ( t == (time_t)(-1) )
|
||
fputs ("[Error - Invalid time]", fp);
|
||
else
|
||
{
|
||
struct tm *tp;
|
||
|
||
tp = gmtime (&t);
|
||
fprintf (fp, "%04d-%02d-%02d %02d:%02d:%02d Z",
|
||
1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday,
|
||
tp->tm_hour, tp->tm_min, tp->tm_sec);
|
||
assert (!tp->tm_isdst);
|
||
}
|
||
}
|
||
|
||
void
|
||
gpgsm_dump_time (time_t t)
|
||
{
|
||
|
||
if (!t)
|
||
log_printf (_("[none]"));
|
||
else if ( t == (time_t)(-1) )
|
||
log_printf (_("[error]"));
|
||
else
|
||
{
|
||
struct tm *tp;
|
||
|
||
tp = gmtime (&t);
|
||
log_printf ("%04d-%02d-%02d %02d:%02d:%02d",
|
||
1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday,
|
||
tp->tm_hour, tp->tm_min, tp->tm_sec);
|
||
assert (!tp->tm_isdst);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
void
|
||
gpgsm_dump_string (const char *string)
|
||
{
|
||
|
||
if (!string)
|
||
log_printf ("[error]");
|
||
else
|
||
{
|
||
const unsigned char *s;
|
||
|
||
for (s=string; *s; s++)
|
||
{
|
||
if (*s < ' ' || (*s >= 0x7f && *s <= 0xa0))
|
||
break;
|
||
}
|
||
if (!*s && *string != '[')
|
||
log_printf ("%s", string);
|
||
else
|
||
{
|
||
log_printf ( "[ ");
|
||
log_printhex (NULL, string, strlen (string));
|
||
log_printf ( " ]");
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
void
|
||
gpgsm_dump_cert (const char *text, KsbaCert cert)
|
||
{
|
||
KsbaSexp sexp;
|
||
unsigned char *p;
|
||
char *dn;
|
||
time_t t;
|
||
|
||
log_debug ("BEGIN Certificate `%s':\n", text? text:"");
|
||
if (cert)
|
||
{
|
||
sexp = ksba_cert_get_serial (cert);
|
||
log_debug (" serial: ");
|
||
gpgsm_dump_serial (sexp);
|
||
ksba_free (sexp);
|
||
log_printf ("\n");
|
||
|
||
t = ksba_cert_get_validity (cert, 0);
|
||
log_debug (" notBefore: ");
|
||
gpgsm_dump_time (t);
|
||
log_printf ("\n");
|
||
t = ksba_cert_get_validity (cert, 1);
|
||
log_debug (" notAfter: ");
|
||
gpgsm_dump_time (t);
|
||
log_printf ("\n");
|
||
|
||
dn = ksba_cert_get_issuer (cert, 0);
|
||
log_debug (" issuer: ");
|
||
gpgsm_dump_string (dn);
|
||
ksba_free (dn);
|
||
log_printf ("\n");
|
||
|
||
dn = ksba_cert_get_subject (cert, 0);
|
||
log_debug (" subject: ");
|
||
gpgsm_dump_string (dn);
|
||
ksba_free (dn);
|
||
log_printf ("\n");
|
||
|
||
log_debug (" hash algo: %s\n", ksba_cert_get_digest_algo (cert));
|
||
|
||
p = gpgsm_get_fingerprint_string (cert, 0);
|
||
log_debug (" SHA1 Fingerprint: %s\n", p);
|
||
xfree (p);
|
||
}
|
||
log_debug ("END Certificate\n");
|
||
}
|
||
|
||
|
||
|
||
/* helper for the rfc2253 string parser */
|
||
static const unsigned char *
|
||
parse_dn_part (struct dn_array_s *array, const unsigned char *string)
|
||
{
|
||
const unsigned char *s, *s1;
|
||
size_t n;
|
||
unsigned char *p;
|
||
|
||
/* parse attributeType */
|
||
for (s = string+1; *s && *s != '='; s++)
|
||
;
|
||
if (!*s)
|
||
return NULL; /* error */
|
||
n = s - string;
|
||
if (!n)
|
||
return NULL; /* empty key */
|
||
array->key = p = xtrymalloc (n+1);
|
||
if (!array->key)
|
||
return NULL;
|
||
memcpy (p, string, n);
|
||
p[n] = 0;
|
||
trim_trailing_spaces (p);
|
||
if ( !strcmp (p, "1.2.840.113549.1.9.1") )
|
||
strcpy (p, "EMail");
|
||
string = s + 1;
|
||
|
||
if (*string == '#')
|
||
{ /* hexstring */
|
||
string++;
|
||
for (s=string; hexdigitp (s); s++)
|
||
s++;
|
||
n = s - string;
|
||
if (!n || (n & 1))
|
||
return NULL; /* empty or odd number of digits */
|
||
n /= 2;
|
||
array->value = p = xtrymalloc (n+1);
|
||
if (!p)
|
||
return NULL;
|
||
for (s1=string; n; s1 += 2, n--)
|
||
*p++ = xtoi_2 (s1);
|
||
*p = 0;
|
||
}
|
||
else
|
||
{ /* regular v3 quoted string */
|
||
for (n=0, s=string; *s; s++)
|
||
{
|
||
if (*s == '\\')
|
||
{ /* pair */
|
||
s++;
|
||
if (*s == ',' || *s == '=' || *s == '+'
|
||
|| *s == '<' || *s == '>' || *s == '#' || *s == ';'
|
||
|| *s == '\\' || *s == '\"' || *s == ' ')
|
||
n++;
|
||
else if (hexdigitp (s) && hexdigitp (s+1))
|
||
{
|
||
s++;
|
||
n++;
|
||
}
|
||
else
|
||
return NULL; /* invalid escape sequence */
|
||
}
|
||
else if (*s == '\"')
|
||
return NULL; /* invalid encoding */
|
||
else if (*s == ',' || *s == '=' || *s == '+'
|
||
|| *s == '<' || *s == '>' || *s == '#' || *s == ';' )
|
||
break;
|
||
else
|
||
n++;
|
||
}
|
||
|
||
array->value = p = xtrymalloc (n+1);
|
||
if (!p)
|
||
return NULL;
|
||
for (s=string; n; s++, n--)
|
||
{
|
||
if (*s == '\\')
|
||
{
|
||
s++;
|
||
if (hexdigitp (s))
|
||
{
|
||
*p++ = xtoi_2 (s);
|
||
s++;
|
||
}
|
||
else
|
||
*p++ = *s;
|
||
}
|
||
else
|
||
*p++ = *s;
|
||
}
|
||
*p = 0;
|
||
}
|
||
return s;
|
||
}
|
||
|
||
|
||
/* Parse a DN and return an array-ized one. This is not a validating
|
||
parser and it does not support any old-stylish syntax; KSBA is
|
||
expected to return only rfc2253 compatible strings. */
|
||
static struct dn_array_s *
|
||
parse_dn (const unsigned char *string)
|
||
{
|
||
struct dn_array_s *array;
|
||
size_t arrayidx, arraysize;
|
||
int i;
|
||
|
||
arraysize = 7; /* C,ST,L,O,OU,CN,email */
|
||
arrayidx = 0;
|
||
array = xtrymalloc ((arraysize+1) * sizeof *array);
|
||
if (!array)
|
||
return NULL;
|
||
while (*string)
|
||
{
|
||
while (*string == ' ')
|
||
string++;
|
||
if (!*string)
|
||
break; /* ready */
|
||
if (arrayidx >= arraysize)
|
||
{
|
||
struct dn_array_s *a2;
|
||
|
||
arraysize += 5;
|
||
a2 = xtryrealloc (array, (arraysize+1) * sizeof *array);
|
||
if (!a2)
|
||
goto failure;
|
||
array = a2;
|
||
}
|
||
array[arrayidx].key = NULL;
|
||
array[arrayidx].value = NULL;
|
||
string = parse_dn_part (array+arrayidx, string);
|
||
arrayidx++;
|
||
if (!string)
|
||
goto failure;
|
||
while (*string == ' ')
|
||
string++;
|
||
if (*string && *string != ',' && *string != ';' && *string != '+')
|
||
goto failure; /* invalid delimiter */
|
||
if (*string)
|
||
string++;
|
||
}
|
||
array[arrayidx].key = NULL;
|
||
array[arrayidx].value = NULL;
|
||
return array;
|
||
|
||
failure:
|
||
for (i=0; i < arrayidx; i++)
|
||
{
|
||
xfree (array[i].key);
|
||
xfree (array[i].value);
|
||
}
|
||
xfree (array);
|
||
return NULL;
|
||
}
|
||
|
||
|
||
static void
|
||
print_dn_part (FILE *fp, struct dn_array_s *dn, const char *key)
|
||
{
|
||
int any = 0;
|
||
|
||
for (; dn->key; dn++)
|
||
{
|
||
if (!strcmp (dn->key, key) && dn->value && *dn->value)
|
||
{
|
||
putc ('/', fp);
|
||
if (any)
|
||
fputs (" + ", fp);
|
||
else
|
||
fprintf (fp, "%s=", key);
|
||
print_sanitized_utf8_string (fp, dn->value, '/');
|
||
any = 1;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Print all parts of a DN in a "standard" sequence. We first print
|
||
all the known parts, followed by the uncommon ones */
|
||
static void
|
||
print_dn_parts (FILE *fp, struct dn_array_s *dn)
|
||
{
|
||
const char *stdpart[] = {
|
||
"CN", "OU", "O", "STREET", "L", "ST", "C", "EMail", NULL
|
||
};
|
||
int i;
|
||
|
||
for (i=0; stdpart[i]; i++)
|
||
print_dn_part (fp, dn, stdpart[i]);
|
||
|
||
/* now print the rest without any specific ordering */
|
||
for (; dn->key; dn++)
|
||
{
|
||
for (i=0; stdpart[i]; i++)
|
||
{
|
||
if (!strcmp (dn->key, stdpart[i]))
|
||
break;
|
||
}
|
||
if (!stdpart[i])
|
||
print_dn_part (fp, dn, dn->key);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
void
|
||
gpgsm_print_name (FILE *fp, const char *name)
|
||
{
|
||
const unsigned char *s;
|
||
int i;
|
||
|
||
s = name;
|
||
if (!s)
|
||
{
|
||
fputs (_("[Error - No name]"), fp);
|
||
}
|
||
else if (*s == '<')
|
||
{
|
||
const unsigned char *s2 = strchr (s+1, '>');
|
||
if (s2)
|
||
print_sanitized_utf8_buffer (fp, s + 1, s2 - s - 1, 0);
|
||
}
|
||
else if (*s == '(')
|
||
fputs (_("[Error - unknown encoding]"), fp);
|
||
else if (!((*s >= '0' && *s < '9')
|
||
|| (*s >= 'A' && *s <= 'Z')
|
||
|| (*s >= 'a' && *s <= 'z')))
|
||
fputs (_("[Error - invalid encoding]"), fp);
|
||
else
|
||
{
|
||
struct dn_array_s *dn = parse_dn (s);
|
||
if (!dn)
|
||
fputs (_("[Error - invalid DN]"), fp);
|
||
else
|
||
{
|
||
print_dn_parts (fp, dn);
|
||
for (i=0; dn[i].key; i++)
|
||
{
|
||
xfree (dn[i].key);
|
||
xfree (dn[i].value);
|
||
}
|
||
xfree (dn);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|