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/* Copyright (C) 2014 mod_auth_gssapi authors - See COPYING for (C) terms */
#include <stdbool.h>
#include <stdint.h>
#include <time.h>
#define APR_WANT_STRFUNC
#include "apr_want.h"
#include <apr_strings.h>
#include <apr_base64.h>
#include <httpd.h>
#include <http_core.h>
#include <http_connection.h>
#include <http_log.h>
#include <http_request.h>
#include <mod_session.h>
#include <mod_ssl.h>
/* apache's httpd.h drags in empty PACKAGE_* variables.
* undefine them to avoid annoying compile warnings as they
* are re-defined in config.h */
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#include "config.h"
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_ext.h>
#include <gssapi/gssapi_krb5.h>
#ifdef HAVE_GSSAPI_GSSAPI_NTLMSSP_H
# include <gssapi/gssapi_ntlmssp.h>
#endif
#include "crypto.h"
#include "sessions.h"
#include "environ.h"
#define MIN_SESS_EXP_TIME 300 /* 5 minutes validity minimum */
#ifdef HAVE_GSS_ACQUIRE_CRED_FROM
# ifdef HAVE_GSS_STORE_CRED_INTO
#define HAVE_CRED_STORE 1
# endif
#endif
struct mag_na_map {
char *env_name;
char *attr_name;
};
struct mag_name_attributes {
bool output_json;
int map_count;
struct mag_na_map map[];
};
struct mag_config {
apr_pool_t *pool;
bool ssl_only;
bool map_to_local;
bool gss_conn_ctx;
bool send_persist;
bool use_sessions;
#ifdef HAVE_CRED_STORE
bool use_s4u2proxy;
char *deleg_ccache_dir;
gss_key_value_set_desc *cred_store;
#endif
struct seal_key *mag_skey;
bool use_basic_auth;
gss_OID_set_desc *allowed_mechs;
gss_OID_set_desc *basic_mechs;
struct mag_name_attributes *name_attributes;
};
struct mag_server_config {
gss_OID_set default_mechs;
struct seal_key *mag_skey;
};
struct mag_req_cfg {
request_rec *req;
struct mag_config *cfg;
gss_OID_set desired_mechs;
bool use_sessions;
bool send_persist;
const char *req_proto;
const char *rep_proto;
struct seal_key *mag_skey;
};
struct mag_attr {
const char *name;
const char *value;
};
struct mag_conn {
apr_pool_t *pool;
gss_ctx_id_t ctx;
bool established;
const char *user_name;
const char *gss_name;
time_t expiration;
int auth_type;
bool delegated;
struct databuf basic_hash;
bool is_preserved;
int na_count;
struct mag_attr *name_attributes;
};
#define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
struct mag_conn *mag_new_conn_ctx(apr_pool_t *pool);
const char *mag_str_auth_type(int auth_type);
char *mag_gss_name_to_ccache_name(request_rec *req,
char *dir, const char *gss_name);
char *mag_error(request_rec *req, const char *msg, uint32_t maj, uint32_t min);
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