mirror of
git://git.gnupg.org/gnupg.git
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* Makefile.am, hkp.c, hkp.h, keyserver.c (keyserver_work): Remove internal
HKP support.
This commit is contained in:
David Shaw
parent
07991aa5af
commit
b45a2d03a6
@ -1,5 +1,8 @@
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2002-09-12 David Shaw <dshaw@jabberwocky.com>
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* Makefile.am, hkp.c, hkp.h, keyserver.c (keyserver_work): Remove
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internal HKP support.
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* keyserver.c (keyserver_spawn): Remove whitespace after keyserver
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commands.
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@ -76,8 +76,6 @@ gpg_SOURCES = g10.c \
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dearmor.c \
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import.c \
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export.c \
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hkp.h \
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hkp.c \
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trustdb.c \
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trustdb.h \
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tdbdump.c \
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613
g10/hkp.c
613
g10/hkp.c
@ -1,613 +0,0 @@
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/* hkp.c - Horowitz Keyserver Protocol
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* Copyright (C) 1998, 1999, 2000, 2001, 2002 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 <ctype.h>
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#include <errno.h>
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#include <assert.h>
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#include "errors.h"
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#include "util.h"
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#include "ttyio.h"
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#include "i18n.h"
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#include "options.h"
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#include "filter.h"
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#include "http.h"
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#include "main.h"
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#include "keyserver-internal.h"
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static int urlencode_filter( void *opaque, int control,
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IOBUF a, byte *buf, size_t *ret_len);
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/****************
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* Try to import the key with KEYID from a keyserver but ask the user
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* before doing so.
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* Returns: 0 the key was successfully imported
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* -1 key not found on server or user does not want to
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* import the key
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* or other error codes.
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*/
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int
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hkp_ask_import( KEYDB_SEARCH_DESC *desc, void *stats_handle)
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{
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struct http_context hd;
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char *request;
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int rc;
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unsigned int hflags = opt.keyserver_options.honor_http_proxy? HTTP_FLAG_TRY_PROXY : 0;
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u32 key[2];
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if(desc->mode==KEYDB_SEARCH_MODE_FPR20)
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keyid_from_fingerprint(desc->u.fpr,MAX_FINGERPRINT_LEN,key);
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else if(desc->mode==KEYDB_SEARCH_MODE_LONG_KID ||
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desc->mode==KEYDB_SEARCH_MODE_SHORT_KID)
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{
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key[0]=desc->u.kid[0];
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key[1]=desc->u.kid[1];
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}
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else
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return -1; /* HKP does not support v3 fingerprints */
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if(opt.keyserver_options.verbose)
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log_info(_("requesting key %08lX from %s\n"),
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(ulong)key[1],opt.keyserver_uri);
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request = m_alloc( strlen( opt.keyserver_host ) + 100 );
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/* hkp does not accept the long keyid - we should really write a
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* nicer one :-)
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* FIXME: request binary mode - need to pass no_armor mode
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* down to the import function. Marc told that there is such a
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* binary mode ... how?
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*/
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if(opt.keyserver_options.broken_http_proxy)
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hflags |= HTTP_FLAG_NO_SHUTDOWN;
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sprintf(request,"x-hkp://%s%s%s/pks/lookup?op=get&search=0x%08lX",
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opt.keyserver_host,
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opt.keyserver_port?":":"",
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opt.keyserver_port?opt.keyserver_port:"",
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(ulong)key[1] );
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if(opt.keyserver_options.verbose>2)
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log_info("request is \"%s\"\n",request);
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rc = http_open_document( &hd, request, hflags );
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if( rc ) {
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log_info(_("can't get key from keyserver: %s\n"),
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rc == G10ERR_NETWORK? strerror(errno)
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: g10_errstr(rc) );
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}
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else {
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rc = import_keys_stream( hd.fp_read, 0, stats_handle,
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opt.keyserver_options.import_options);
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http_close( &hd );
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}
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m_free( request );
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return rc;
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}
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int
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hkp_export( STRLIST users )
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{
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int rc;
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armor_filter_context_t afx;
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IOBUF temp = iobuf_temp();
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struct http_context hd;
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char *request;
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unsigned int status;
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unsigned int hflags = opt.keyserver_options.honor_http_proxy? HTTP_FLAG_TRY_PROXY : 0;
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iobuf_push_filter( temp, urlencode_filter, NULL );
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memset( &afx, 0, sizeof afx);
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afx.what = 1;
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iobuf_push_filter( temp, armor_filter, &afx );
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rc = export_pubkeys_stream( temp, users,
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opt.keyserver_options.export_options );
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if( rc == -1 ) {
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iobuf_close(temp);
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return 0;
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}
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iobuf_flush_temp( temp );
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request = m_alloc( strlen( opt.keyserver_host ) + 100 );
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if(opt.keyserver_options.broken_http_proxy)
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hflags |= HTTP_FLAG_NO_SHUTDOWN;
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sprintf( request, "x-hkp://%s%s%s/pks/add",
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opt.keyserver_host,
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opt.keyserver_port?":":"",
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opt.keyserver_port?opt.keyserver_port:"");
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if(opt.keyserver_options.verbose>2)
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log_info("request is \"%s\"\n",request);
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rc = http_open( &hd, HTTP_REQ_POST, request , hflags );
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if( rc ) {
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log_error(_("can't connect to `%s': %s\n"),
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opt.keyserver_host,
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rc == G10ERR_NETWORK? strerror(errno)
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: g10_errstr(rc) );
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iobuf_close(temp);
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m_free( request );
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return rc;
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}
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sprintf( request, "Content-Length: %u\r\n",
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(unsigned)iobuf_get_temp_length(temp) + 9 );
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iobuf_writestr( hd.fp_write, request );
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m_free( request );
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http_start_data( &hd );
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iobuf_writestr( hd.fp_write, "keytext=" );
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iobuf_write( hd.fp_write, iobuf_get_temp_buffer(temp),
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iobuf_get_temp_length(temp) );
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iobuf_put( hd.fp_write, '\n' );
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iobuf_flush_temp( temp );
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iobuf_close(temp);
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rc = http_wait_response( &hd, &status );
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if( rc ) {
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log_error(_("error sending to `%s': %s\n"),
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opt.keyserver_host, g10_errstr(rc) );
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}
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else {
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#if 1
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if( opt.verbose ) {
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int c;
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while( (c=iobuf_get(hd.fp_read)) != EOF )
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if ( c >= 32 && c < 127 )
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putchar( c );
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else
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putchar ( '?' );
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}
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#endif
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if( (status/100) == 2 )
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log_info(_("success sending to `%s' (status=%u)\n"),
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opt.keyserver_host, status );
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else
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log_error(_("failed sending to `%s': status=%u\n"),
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opt.keyserver_host, status );
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}
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http_close( &hd );
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return rc;
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}
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static int
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urlencode_filter( void *opaque, int control,
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IOBUF a, byte *buf, size_t *ret_len)
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{
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size_t size = *ret_len;
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int rc=0;
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if( control == IOBUFCTRL_FLUSH ) {
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const byte *p;
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for(p=buf; size; p++, size-- ) {
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if( isalnum(*p) || *p == '-' )
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iobuf_put( a, *p );
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else if( *p == ' ' )
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iobuf_put( a, '+' );
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else {
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char numbuf[5];
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sprintf(numbuf, "%%%02X", *p );
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iobuf_writestr(a, numbuf );
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}
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}
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}
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else if( control == IOBUFCTRL_DESC )
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*(char**)buf = "urlencode_filter";
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return rc;
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}
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static int
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write_quoted(IOBUF a, const char *buf, char delim)
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{
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char quoted[5];
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sprintf(quoted,"\\x%02X",delim);
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while(*buf)
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{
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if(*buf==delim)
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{
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if(iobuf_writestr(a,quoted))
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return -1;
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}
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else if(*buf=='\\')
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{
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if(iobuf_writestr(a,"\\x5c"))
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return -1;
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}
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else
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{
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if(iobuf_writebyte(a,*buf))
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return -1;
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}
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buf++;
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}
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return 0;
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}
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/* Remove anything <between brackets> and de-urlencode in place. Note
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that this requires all brackets to be closed on the same line. It
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also means that the result is never larger than the input. */
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static void
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dehtmlize(char *line)
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{
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int parsedindex=0;
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char *parsed=line;
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while(*line!='\0')
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{
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switch(*line)
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{
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case '<':
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while(*line!='>' && *line!='\0')
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line++;
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if(*line!='\0')
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line++;
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break;
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case '&':
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if((*(line+1)!='\0' && ascii_tolower(*(line+1))=='l') &&
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(*(line+2)!='\0' && ascii_tolower(*(line+2))=='t') &&
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(*(line+3)!='\0' && *(line+3)==';'))
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{
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parsed[parsedindex++]='<';
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line+=4;
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break;
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}
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else if((*(line+1)!='\0' && ascii_tolower(*(line+1))=='g') &&
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(*(line+2)!='\0' && ascii_tolower(*(line+2))=='t') &&
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(*(line+3)!='\0' && *(line+3)==';'))
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{
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parsed[parsedindex++]='>';
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line+=4;
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break;
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}
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else if((*(line+1)!='\0' && ascii_tolower(*(line+1))=='a') &&
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(*(line+2)!='\0' && ascii_tolower(*(line+2))=='m') &&
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(*(line+3)!='\0' && ascii_tolower(*(line+3))=='p') &&
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(*(line+4)!='\0' && *(line+4)==';'))
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{
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parsed[parsedindex++]='&';
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line+=5;
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break;
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}
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default:
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parsed[parsedindex++]=*line;
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line++;
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break;
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}
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}
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parsed[parsedindex]='\0';
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/* Chop off any trailing whitespace. Note that the HKP servers have
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\r\n as line endings, and the NAI HKP servers have just \n. */
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if(parsedindex>0)
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{
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parsedindex--;
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while(isspace(((unsigned char*)parsed)[parsedindex]))
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{
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parsed[parsedindex]='\0';
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parsedindex--;
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}
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}
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}
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/* pub 2048/<a href="/pks/lookup?op=get&search=0x3CB3B415">3CB3B415</a> 1998/04/03 David M. Shaw <<a href="/pks/lookup?op=get&search=0x3CB3B415">dshaw@jabberwocky.com</a>> */
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/* Luckily enough, both the HKP server and NAI HKP interface to their
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LDAP server are close enough in output so the same function can
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parse them both. */
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static int
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parse_hkp_index(IOBUF buffer,char *line)
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{
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static int open=0,revoked=0;
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static char *key=NULL,*type=NULL;
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#ifdef __riscos__
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static char *uid=NULL;
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#else
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static unsigned char *uid=NULL;
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#endif
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static u32 bits,createtime;
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int ret=0;
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/* printf("Open %d, LINE: \"%s\", uid: %s\n",open,line,uid); */
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dehtmlize(line);
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/* printf("Now open %d, LINE: \"%s\", uid: %s\n",open,line,uid); */
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/* Try and catch some bastardization of HKP. If we don't have
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certain unchanging landmarks, we can't reliably parse the
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response. This only complains about problems within the key
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section itself. Headers and footers should not matter. */
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if(open && line[0]!='\0' &&
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ascii_strncasecmp(line,"pub ",4)!=0 &&
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ascii_strncasecmp(line," ",4)!=0)
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{
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m_free(key);
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m_free(uid);
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log_error(_("this keyserver is not fully HKP compatible\n"));
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return -1;
|
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}
|
||||
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/* For multiple UIDs */
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if(open && uid!=NULL)
|
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{
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ret=0;
|
||||
|
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if(!(revoked && !opt.keyserver_options.include_revoked))
|
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{
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char intstr[11];
|
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|
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if(key)
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write_quoted(buffer,key,':');
|
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iobuf_writestr(buffer,":");
|
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write_quoted(buffer,uid,':');
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iobuf_writestr(buffer,":");
|
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iobuf_writestr(buffer,revoked?"1:":":");
|
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sprintf(intstr,"%u",createtime);
|
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write_quoted(buffer,intstr,':');
|
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iobuf_writestr(buffer,":::");
|
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if(type)
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write_quoted(buffer,type,':');
|
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iobuf_writestr(buffer,":");
|
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sprintf(intstr,"%u",bits);
|
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write_quoted(buffer,intstr,':');
|
||||
iobuf_writestr(buffer,"\n");
|
||||
|
||||
ret=1;
|
||||
}
|
||||
|
||||
if(strncmp(line," ",4)!=0)
|
||||
{
|
||||
revoked=0;
|
||||
m_free(key);
|
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m_free(uid);
|
||||
uid=NULL;
|
||||
open=0;
|
||||
}
|
||||
}
|
||||
|
||||
if(ascii_strncasecmp(line,"pub ",4)==0)
|
||||
{
|
||||
char *tok,*temp;
|
||||
|
||||
open=1;
|
||||
|
||||
line+=4;
|
||||
|
||||
tok=strsep(&line,"/");
|
||||
if(tok==NULL)
|
||||
return ret;
|
||||
|
||||
if(tok[strlen(tok)-1]=='R')
|
||||
type="RSA";
|
||||
else if(tok[strlen(tok)-1]=='D')
|
||||
type="DSA";
|
||||
else
|
||||
type=NULL;
|
||||
|
||||
bits=atoi(tok);
|
||||
|
||||
tok=strsep(&line," ");
|
||||
if(tok==NULL)
|
||||
return ret;
|
||||
|
||||
key=m_strdup(tok);
|
||||
|
||||
tok=strsep(&line," ");
|
||||
if(tok==NULL)
|
||||
return ret;
|
||||
|
||||
/* The date parser wants '-' instead of '/', so... */
|
||||
temp=tok;
|
||||
while(*temp!='\0')
|
||||
{
|
||||
if(*temp=='/')
|
||||
*temp='-';
|
||||
|
||||
temp++;
|
||||
}
|
||||
|
||||
createtime=scan_isodatestr(tok);
|
||||
}
|
||||
|
||||
if(open)
|
||||
{
|
||||
if(line==NULL)
|
||||
{
|
||||
uid=m_strdup("Key index corrupted");
|
||||
return ret;
|
||||
}
|
||||
|
||||
while(*line==' ' && *line!='\0')
|
||||
line++;
|
||||
|
||||
if(*line=='\0')
|
||||
return ret;
|
||||
|
||||
if(strncmp(line,"*** KEY REVOKED ***",19)==0)
|
||||
{
|
||||
revoked=1;
|
||||
return ret;
|
||||
}
|
||||
|
||||
uid=m_strdup(line);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int hkp_search(STRLIST tokens)
|
||||
{
|
||||
int rc=0,len=0,max,first=1;
|
||||
unsigned int maxlen=1024,buflen=0;
|
||||
#ifndef __riscos__
|
||||
unsigned char *searchstr=NULL,*searchurl;
|
||||
unsigned char *request;
|
||||
#else
|
||||
char *searchstr=NULL,*searchurl;
|
||||
char *request;
|
||||
#endif
|
||||
struct http_context hd;
|
||||
unsigned int hflags=opt.keyserver_options.honor_http_proxy?HTTP_FLAG_TRY_PROXY:0;
|
||||
byte *line=NULL;
|
||||
|
||||
/* Glue the tokens together to make a search string */
|
||||
|
||||
for(;tokens;tokens=tokens->next)
|
||||
{
|
||||
len+=strlen(tokens->d)+1;
|
||||
|
||||
searchstr=m_realloc(searchstr,len+1);
|
||||
if(first)
|
||||
{
|
||||
searchstr[0]='\0';
|
||||
first=0;
|
||||
}
|
||||
|
||||
strcat(searchstr,tokens->d);
|
||||
strcat(searchstr," ");
|
||||
}
|
||||
|
||||
if(len<=1)
|
||||
{
|
||||
m_free(searchstr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
searchstr[len-1]='\0';
|
||||
|
||||
log_info(_("searching for \"%s\" from HKP server %s\n"),
|
||||
searchstr,opt.keyserver_host);
|
||||
|
||||
/* Now make it url-ish */
|
||||
|
||||
max=0;
|
||||
len=0;
|
||||
searchurl=NULL;
|
||||
request=searchstr;
|
||||
|
||||
while(*request!='\0')
|
||||
{
|
||||
if(max-len<3)
|
||||
{
|
||||
max+=100;
|
||||
searchurl=m_realloc(searchurl,max+1); /* Note +1 for \0 */
|
||||
}
|
||||
|
||||
if(isalnum(*request) || *request=='-')
|
||||
searchurl[len++]=*request;
|
||||
else if(*request==' ')
|
||||
searchurl[len++]='+';
|
||||
else
|
||||
{
|
||||
sprintf(&searchurl[len],"%%%02X",*request);
|
||||
len+=3;
|
||||
}
|
||||
|
||||
request++;
|
||||
}
|
||||
|
||||
searchurl[len]='\0';
|
||||
|
||||
request=m_alloc(strlen(opt.keyserver_host) + 100 + strlen(searchurl));
|
||||
|
||||
if(opt.keyserver_options.broken_http_proxy)
|
||||
hflags |= HTTP_FLAG_NO_SHUTDOWN;
|
||||
|
||||
sprintf(request,"x-hkp://%s%s%s/pks/lookup?op=index&search=%s",
|
||||
opt.keyserver_host,
|
||||
opt.keyserver_port?":":"",
|
||||
opt.keyserver_port?opt.keyserver_port:"",
|
||||
searchurl);
|
||||
|
||||
if(opt.keyserver_options.verbose>2)
|
||||
log_info("request is \"%s\"\n",request);
|
||||
|
||||
rc=http_open_document(&hd,request,hflags);
|
||||
if(rc)
|
||||
{
|
||||
log_error(_("can't search keyserver: %s\n"),
|
||||
rc==G10ERR_NETWORK?strerror(errno):g10_errstr(rc));
|
||||
}
|
||||
else
|
||||
{
|
||||
IOBUF buffer;
|
||||
int count=1;
|
||||
int ret;
|
||||
|
||||
buffer=iobuf_temp();
|
||||
|
||||
rc=1;
|
||||
while(rc!=0)
|
||||
{
|
||||
/* This is a judgement call. Is it better to slurp up all
|
||||
the results before prompting the user? On the one hand,
|
||||
it probably makes the keyserver happier to not be blocked
|
||||
on sending for a long time while the user picks a key.
|
||||
On the other hand, it might be nice for the server to be
|
||||
able to stop sending before a large search result page is
|
||||
complete. */
|
||||
|
||||
rc=iobuf_read_line(hd.fp_read,&line,&buflen,&maxlen);
|
||||
|
||||
ret=parse_hkp_index(buffer,line);
|
||||
if(ret==-1)
|
||||
break;
|
||||
|
||||
if(rc!=0)
|
||||
count+=ret;
|
||||
}
|
||||
|
||||
http_close(&hd);
|
||||
|
||||
count--;
|
||||
|
||||
if(ret>-1)
|
||||
keyserver_search_prompt(buffer,count,searchstr);
|
||||
|
||||
iobuf_close(buffer);
|
||||
m_free(line);
|
||||
}
|
||||
|
||||
m_free(request);
|
||||
m_free(searchurl);
|
||||
m_free(searchstr);
|
||||
|
||||
return rc;
|
||||
}
|
||||
29
g10/hkp.h
29
g10/hkp.h
@ -1,29 +0,0 @@
|
||||
/* hkp.h - Horowitz Keyserver Protocol
|
||||
* Copyright (C) 1998, 1999, 2000, 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
|
||||
*/
|
||||
|
||||
#ifndef G10_HKP_H
|
||||
#define G10_HKP_H 1
|
||||
|
||||
int hkp_ask_import( KEYDB_SEARCH_DESC *desc, void *stats_handle);
|
||||
int hkp_import( STRLIST users );
|
||||
int hkp_export( STRLIST users );
|
||||
int hkp_search(STRLIST tokens);
|
||||
|
||||
#endif /*G10_HKP_H*/
|
||||
@ -30,7 +30,6 @@
|
||||
#include "exec.h"
|
||||
#include "main.h"
|
||||
#include "i18n.h"
|
||||
#include "hkp.h"
|
||||
#include "iobuf.h"
|
||||
#include "memory.h"
|
||||
#include "options.h"
|
||||
@ -663,46 +662,13 @@ keyserver_work(int action,STRLIST list,KEYDB_SEARCH_DESC *desc,int count)
|
||||
return G10ERR_BAD_URI;
|
||||
}
|
||||
|
||||
#ifndef USE_EXTERNAL_HKP
|
||||
/* Use the internal HKP code */
|
||||
if(ascii_strcasecmp(opt.keyserver_scheme,"hkp")==0)
|
||||
{
|
||||
if(opt.keyserver_host==NULL)
|
||||
{
|
||||
log_error(_("no keyserver known (use option --keyserver)\n"));
|
||||
return G10ERR_BAD_URI;
|
||||
}
|
||||
else
|
||||
{
|
||||
void *stats_handle = import_new_stats_handle ();
|
||||
|
||||
switch(action)
|
||||
{
|
||||
case GET:
|
||||
for(count--;count>=0;count--)
|
||||
if(hkp_ask_import(&desc[count],stats_handle))
|
||||
log_inc_errorcount();
|
||||
break;
|
||||
case SEND:
|
||||
return hkp_export(list);
|
||||
case SEARCH:
|
||||
return hkp_search(list);
|
||||
}
|
||||
|
||||
import_print_stats (stats_handle);
|
||||
import_release_stats_handle (stats_handle);
|
||||
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef DISABLE_KEYSERVER_HELPERS
|
||||
|
||||
log_error(_("external keyserver calls are not supported in this build\n"));
|
||||
return G10ERR_KEYSERVER;
|
||||
#else
|
||||
|
||||
/* It's not the internal HKP code, so try and spawn a handler for it */
|
||||
#else
|
||||
/* Spawn a handler */
|
||||
|
||||
rc=keyserver_spawn(action,list,desc,count,&ret);
|
||||
if(ret)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user