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/* global.h -- Header for global/shared variables & functions.
*
* Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef INCLUDED_GLOBAL_H
#define INCLUDED_GLOBAL_H
#include <sasl/sasl.h>
#include "libconfig.h"
#include "auth.h"
#include "prot.h"
#include "mboxname.h"
#include "signals.h"
#include "imapparse.h"
#include "libcyr_cfg.h"
#include "util.h"
#ifdef HAVE_SSL
#include <openssl/evp.h>
#define MAX_FINISHED_LEN EVP_MAX_MD_SIZE
#else /* !HAVE_SSL */
#define MAX_FINISHED_LEN 1
#endif /* HAVE_SSL */
#define MAX_SESSIONID_SIZE 256
/* Flags for cyrus_init() */
enum {
CYRUSINIT_NODB = (1<<0),
CYRUSINIT_PERROR = (1<<1)
};
/* Startup the configuration subsystem */
/* Note that cyrus_init is pretty much the wholesale startup function
* for any libimap/libcyrus process, and should be called fairly early
* (and needs an associated cyrus_done call) */
extern int cyrus_init(const char *alt_config, const char *ident,
unsigned flags, int config_need_data);
extern void global_sasl_init(int client, int server,
const sasl_callback_t *callbacks);
/* Register a module callback. This callback will be called
* during cyrus_done, passing callback data rock */
extern void cyrus_modules_add(void (*done)(void*), void *rock);
/* Shutdown a cyrus process */
extern void cyrus_done(void);
/* sasl configuration */
extern int mysasl_config(void *context,
const char *plugin_name,
const char *option,
const char **result,
unsigned *len);
extern sasl_security_properties_t *mysasl_secprops(int flags);
#if GCC_VERSION >= 80000
typedef void mysasl_cb_ft; /* shut up GCC */
#else
typedef int (mysasl_cb_ft)(void);
#endif
/* user canonification */
extern const char *canonify_userid(char *user, const char *loginid,
int *domain_from_ip);
extern int is_userid_anonymous(const char *user);
extern int mysasl_canon_user(sasl_conn_t *conn,
void *context,
const char *user, unsigned ulen,
unsigned flags,
const char *user_realm,
char *out_user,
unsigned out_max, unsigned *out_ulen);
extern int mysasl_proxy_policy(sasl_conn_t *conn,
void *context,
const char *requested_user, unsigned rlen,
const char *auth_identity, unsigned alen,
const char *def_realm __attribute__((unused)),
unsigned urlen __attribute__((unused)),
struct propctx *propctx __attribute__((unused)));
/* check if `authstate' is a valid member of class */
extern int global_authisa(struct auth_state *authstate,
enum imapopt opt);
/* useful types */
struct protstream;
struct proxy_context {
int use_acl;
int proxy_servers;
struct auth_state **authstate;
int *userisadmin;
int *userisproxyadmin;
};
struct saslprops_t {
struct buf iplocalport;
struct buf ipremoteport;
sasl_ssf_t ssf;
struct buf authid;
sasl_channel_binding_t cbinding;
unsigned char tls_finished[MAX_FINISHED_LEN];
};
#define SASLPROPS_INITIALIZER \
{ BUF_INITIALIZER, BUF_INITIALIZER, 0, BUF_INITIALIZER, \
{ NULL, 0, 0, NULL }, { 0 } }
/* Misc utils */
extern int shutdown_file(char *buf, int size);
extern char *find_msgid(char *, char **);
#define UNIX_SOCKET "[unix socket]"
extern const char *get_clienthost(int s,
const char **localip, const char **remoteip);
extern void saslprops_reset(struct saslprops_t *saslprops);
extern void saslprops_free(struct saslprops_t *saslprops);
extern int saslprops_set_tls(struct saslprops_t *saslprops,
sasl_conn_t *saslconn);
/* Misc globals */
extern volatile sig_atomic_t in_shutdown;
extern int config_fulldirhash;
extern int config_implicitrights;
extern unsigned long config_metapartition_files;
extern const char *config_mboxlist_db;
extern const char *config_quota_db;
extern const char *config_subscription_db;
extern const char *config_annotation_db;
extern const char *config_seenstate_db;
extern const char *config_mboxkey_db;
extern const char *config_duplicate_db;
extern const char *config_tls_sessions_db;
extern const char *config_ptscache_db;
extern const char *config_statuscache_db;
extern const char *config_userdeny_db;
extern const char *config_zoneinfo_db;
extern const char *config_conversations_db;
extern const char *config_backup_db;
extern int charset_flags;
extern int charset_snippet_flags;
extern size_t config_search_maxsize;
/* Session ID */
extern void session_new_id(void);
extern const char *session_id(void);
extern void parse_sessionid(const char *str, char *sessionid);
/* Capability suppression */
extern int capa_is_disabled(const char *str);
extern int cmd_cancelled(int insearch);
#endif /* INCLUDED_GLOBAL_H */
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