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/* ksutil.h
* Copyright (C) 2004, 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* In addition, as a special exception, the Free Software Foundation
* gives permission to link the code of the keyserver helper tools:
* gpgkeys_ldap, gpgkeys_curl and gpgkeys_hkp with the OpenSSL
* project's "OpenSSL" library (or with modified versions of it that
* use the same license as the "OpenSSL" library), and distribute the
* linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If
* you modify this file, you may extend this exception to your version
* of the file, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
#ifndef _KSUTIL_H_
#define _KSUTIL_H_
#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#else
#include "curl-shim.h"
#endif
/* MAX_LINE must be at least 1 larger than the largest item we expect
to receive, including the name tag ("COMMAND", "PORT", etc) and
space between. In practice, that means it should be
strlen("OPAQUE")+1+sizeof_opaque+1 */
#define MAX_LINE (6+1+1024+1)
#define MAX_COMMAND 7
#define MAX_OPTION 256
#define MAX_SCHEME 20
#define MAX_OPAQUE 1024
#define MAX_AUTH 128
#define MAX_HOST 80
#define MAX_PORT 10
#define URLMAX_PATH 1024
#define MAX_PROXY 128
#define MAX_URL (MAX_SCHEME+1+3+MAX_AUTH+1+1+MAX_HOST+1+1 \
+MAX_PORT+1+1+URLMAX_PATH+1+50)
#define STRINGIFY(x) #x
#define MKSTRING(x) STRINGIFY(x)
#define BEGIN "-----BEGIN PGP PUBLIC KEY BLOCK-----"
#define END "-----END PGP PUBLIC KEY BLOCK-----"
#ifdef __riscos__
#define HTTP_PROXY_ENV "GnuPG$HttpProxy"
#else
#define HTTP_PROXY_ENV "http_proxy"
#endif
struct keylist
{
char str[MAX_LINE];
struct keylist *next;
};
/* 2 minutes seems reasonable */
#define DEFAULT_KEYSERVER_TIMEOUT 120
unsigned int set_timeout(unsigned int seconds);
int register_timeout(void);
enum ks_action {KS_UNKNOWN=0,KS_GET,KS_GETNAME,KS_SEND,KS_SEARCH};
enum ks_search_type {KS_SEARCH_SUBSTR,KS_SEARCH_EXACT,
KS_SEARCH_MAIL,KS_SEARCH_MAILSUB,
KS_SEARCH_KEYID_LONG,KS_SEARCH_KEYID_SHORT};
struct ks_options
{
enum ks_action action;
char *host;
char *port;
char *scheme;
char *auth;
char *path;
char *opaque;
struct
{
unsigned int include_disabled:1;
unsigned int include_revoked:1;
unsigned int include_subkeys:1;
unsigned int check_cert:1;
} flags;
unsigned int verbose;
unsigned int debug;
unsigned int timeout;
char *ca_cert_file;
};
struct ks_options *init_ks_options(void);
void free_ks_options(struct ks_options *opt);
int parse_ks_options(char *line,struct ks_options *opt);
const char *ks_action_to_string(enum ks_action action);
void print_nocr(FILE *stream,const char *str);
enum ks_search_type classify_ks_search(const char **search);
int curl_err_to_gpg_err(CURLcode error);
struct curl_writer_ctx
{
struct
{
unsigned int initialized:1;
unsigned int begun:1;
unsigned int done:1;
unsigned int armor:1;
} flags;
int armor_remaining;
unsigned char armor_ctx[3];
int markeridx,linelen;
const char *marker;
FILE *stream;
};
size_t curl_writer(const void *ptr,size_t size,size_t nmemb,void *cw_ctx);
void curl_writer_finalize(struct curl_writer_ctx *ctx);
int ks_hextobyte (const char *s);
int ks_toupper (int c);
int ks_strcasecmp (const char *a, const char *b);
#endif /* !_KSUTIL_H_ */
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