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samba-mirror/source3/include/ads.h
Garming Sam deec2af7d2 libads: Decide to have no fallback option
Before this change, it would always possibly choose another server at
random despite later using the original principal when it got back to
the connection initialization in the the winbind connection manager.
This caused bizarre authentication failures.

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2017-05-30 08:06:06 +02:00

157 lines
3.7 KiB
C

#ifndef _INCLUDE_ADS_H_
#define _INCLUDE_ADS_H_
/*
header for ads (active directory) library routines
basically this is a wrapper around ldap
*/
#include "libads/ads_status.h"
#include "smb_ldap.h"
struct ads_saslwrap;
struct ads_saslwrap_ops {
const char *name;
ADS_STATUS (*wrap)(struct ads_saslwrap *, uint8_t *buf, uint32_t len);
ADS_STATUS (*unwrap)(struct ads_saslwrap *);
void (*disconnect)(struct ads_saslwrap *);
};
enum ads_saslwrap_type {
ADS_SASLWRAP_TYPE_PLAIN = 1,
ADS_SASLWRAP_TYPE_SIGN = 2,
ADS_SASLWRAP_TYPE_SEAL = 4
};
struct ads_saslwrap {
/* expected SASL wrapping type */
enum ads_saslwrap_type wrap_type;
/* SASL wrapping operations */
const struct ads_saslwrap_ops *wrap_ops;
#ifdef HAVE_LDAP_SASL_WRAPPING
Sockbuf_IO_Desc *sbiod; /* lowlevel state for LDAP wrapping */
#endif /* HAVE_LDAP_SASL_WRAPPING */
TALLOC_CTX *mem_ctx;
void *wrap_private_data;
struct {
uint32_t ofs;
uint32_t needed;
uint32_t left;
#define ADS_SASL_WRAPPING_IN_MAX_WRAPPED 0x0FFFFFFF
uint32_t max_wrapped;
uint32_t min_wrapped;
uint32_t size;
uint8_t *buf;
} in;
struct {
uint32_t ofs;
uint32_t left;
#define ADS_SASL_WRAPPING_OUT_MAX_WRAPPED 0x00A00000
uint32_t max_unwrapped;
uint32_t sig_size;
uint32_t size;
uint8_t *buf;
} out;
};
typedef struct ads_struct {
int is_mine; /* do I own this structure's memory? */
/* info needed to find the server */
struct {
char *realm;
char *workgroup;
char *ldap_server;
bool gc; /* Is this a global catalog server? */
bool no_fallback; /* Bail if the ldap_server is not available */
} server;
/* info needed to authenticate */
struct {
char *realm;
char *password;
char *user_name;
char *kdc_server;
unsigned flags;
int time_offset;
char *ccache_name;
time_t tgt_expire;
time_t tgs_expire;
time_t renewable;
} auth;
/* info derived from the servers config */
struct {
uint32_t flags; /* cldap flags identifying the services. */
char *realm;
char *bind_path;
char *ldap_server_name;
char *server_site_name;
char *client_site_name;
time_t current_time;
char *schema_path;
char *config_path;
int ldap_page_size;
} config;
/* info about the current LDAP connection */
#ifdef HAVE_LDAP
struct ads_saslwrap ldap_wrap_data;
struct {
LDAP *ld;
struct sockaddr_storage ss; /* the ip of the active connection, if any */
time_t last_attempt; /* last attempt to reconnect, monotonic clock */
int port;
} ldap;
#endif /* HAVE_LDAP */
} ADS_STRUCT;
#ifdef HAVE_ADS
typedef LDAPMod **ADS_MODLIST;
#else
typedef void **ADS_MODLIST;
#endif
/* time between reconnect attempts */
#define ADS_RECONNECT_TIME 5
/* ldap control oids */
#define ADS_PAGE_CTL_OID "1.2.840.113556.1.4.319"
#define ADS_NO_REFERRALS_OID "1.2.840.113556.1.4.1339"
#define ADS_SERVER_SORT_OID "1.2.840.113556.1.4.473"
#define ADS_PERMIT_MODIFY_OID "1.2.840.113556.1.4.1413"
#define ADS_ASQ_OID "1.2.840.113556.1.4.1504"
#define ADS_EXTENDED_DN_OID "1.2.840.113556.1.4.529"
#define ADS_SD_FLAGS_OID "1.2.840.113556.1.4.801"
/* ldap bitwise searches */
#define ADS_LDAP_MATCHING_RULE_BIT_AND "1.2.840.113556.1.4.803"
#define ADS_LDAP_MATCHING_RULE_BIT_OR "1.2.840.113556.1.4.804"
#define ADS_PINGS 0x0000FFFF /* Ping response */
enum ads_extended_dn_flags {
ADS_EXTENDED_DN_HEX_STRING = 0,
ADS_EXTENDED_DN_STRING = 1 /* not supported on win2k */
};
/* this is probably not very well suited to pass other controls generically but
* is good enough for the extended dn control where it is only used for atm */
typedef struct {
const char *control;
int val;
int critical;
} ads_control;
#include "libads/ads_proto.h"
#ifdef HAVE_LDAP
#include "libads/ads_ldap_protos.h"
#endif
#include "libads/kerberos_proto.h"
#endif /* _INCLUDE_ADS_H_ */