mirror of
git://git.gnupg.org/gnupg.git
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214 lines
4.2 KiB
C
214 lines
4.2 KiB
C
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/* import.c - Import certificates
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* Copyright (C) 2001 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <time.h>
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#include <assert.h>
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#include <ksba.h>
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#include "gpgsm.h"
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struct reader_cb_parm_s {
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FILE *fp;
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};
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static int
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reader_cb (void *cb_value, unsigned char *buffer, size_t count, size_t *nread)
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{
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struct reader_cb_parm_s *parm = cb_value;
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size_t n;
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int c = 0;
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*nread = 0;
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if (!buffer)
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return -1; /* not supported */
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for (n=0; n < count; n++)
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{
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c = getc (parm->fp);
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if (c == EOF)
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{
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if ( ferror (parm->fp) )
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return -1;
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if (n)
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break; /* return what we have beofre an EOF */
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return -1;
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}
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*buffer++ = c;
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}
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*nread = n;
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return 0;
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}
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static void
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print_integer (unsigned char *p)
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{
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unsigned long len;
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if (!p)
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fputs ("none", stdout);
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else
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{
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len = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
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for (p+=4; len; len--, p++)
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printf ("%02X", *p);
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}
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}
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static void
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print_time (time_t t)
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{
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if (!t)
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fputs ("none", stdout);
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else if ( t == (time_t)(-1) )
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fputs ("error", stdout);
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else
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{
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struct tm *tp;
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tp = gmtime (&t);
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printf ("%04d-%02d-%02d %02d:%02d:%02d",
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1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday,
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tp->tm_hour, tp->tm_min, tp->tm_sec);
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assert (!tp->tm_isdst);
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}
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}
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static void
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print_dn (char *p)
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{
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if (!p)
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fputs ("error", stdout);
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else
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printf ("`%s'", p);
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}
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int
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gpgsm_import (int in_fd)
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{
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int rc;
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KsbaReader reader = NULL;
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KsbaCert cert = NULL;
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struct reader_cb_parm_s rparm;
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memset (&rparm, 0, sizeof rparm);
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rparm.fp = fdopen ( dup (in_fd), "rb");
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if (!rparm.fp)
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{
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log_error ("fdopen() failed: %s\n", strerror (errno));
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rc = seterr (IO_Error);
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goto leave;
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}
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/* setup a skaba reader which uses a callback function so that we can
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strip off a base64 encoding when necessary */
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reader = ksba_reader_new ();
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if (!reader)
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{
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rc = seterr (Out_Of_Core);
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goto leave;
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}
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rc = ksba_reader_set_cb (reader, reader_cb, &rparm );
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if (rc)
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{
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ksba_reader_release (reader);
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rc = map_ksba_err (rc);
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goto leave;
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}
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cert = ksba_cert_new ();
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if (!cert)
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{
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rc = seterr (Out_Of_Core);
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goto leave;
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}
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rc = ksba_cert_read_der (cert, reader);
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if (rc)
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{
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rc = map_ksba_err (rc);
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goto leave;
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}
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{
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unsigned char *p;
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char *dn;
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time_t t;
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p = ksba_cert_get_serial (cert);
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fputs ("serial: ", stdout);
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print_integer (p);
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ksba_free (p);
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putchar ('\n');
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t = ksba_cert_get_validity (cert, 0);
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fputs ("notBefore: ", stdout);
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print_time (t);
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putchar ('\n');
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t = ksba_cert_get_validity (cert, 1);
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fputs ("notAfter: ", stdout);
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print_time (t);
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putchar ('\n');
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dn = ksba_cert_get_issuer (cert);
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fputs ("issuer: ", stdout);
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print_dn (dn);
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ksba_free (dn);
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putchar ('\n');
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dn = ksba_cert_get_subject (cert);
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fputs ("subject: ", stdout);
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print_dn (dn);
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ksba_free (dn);
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putchar ('\n');
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printf ("hash algo: %d\n", ksba_cert_get_digest_algo (cert));
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ksba_cert_hash (cert, NULL, NULL);
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}
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leave:
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ksba_cert_release (cert);
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ksba_reader_release (reader);
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if (rparm.fp)
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fclose (rparm.fp);
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return rc;
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}
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