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#ifndef _INCLUDE_ADS_H_
#define _INCLUDE_ADS_H_
/*
header for ads (active directory) library routines
basically this is a wrapper around ldap
*/
#include "../libds/common/flags.h"
/*
* This should be under the HAVE_KRB5 flag but since they're used
* in lp_kerberos_method(), they ned to be always available
*/
#define KERBEROS_VERIFY_SECRETS 0
#define KERBEROS_VERIFY_SYSTEM_KEYTAB 1
#define KERBEROS_VERIFY_DEDICATED_KEYTAB 2
#define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3
/*
* If you add any entries to the above, please modify the below expressions
* so they remain accurate.
*/
#define USE_KERBEROS_KEYTAB (KERBEROS_VERIFY_SECRETS != lp_kerberos_method())
#define USE_SYSTEM_KEYTAB \
((KERBEROS_VERIFY_SECRETS_AND_KEYTAB == lp_kerberos_method()) || \
(KERBEROS_VERIFY_SYSTEM_KEYTAB == lp_kerberos_method()))
#define TOK_ID_KRB_AP_REQ ((const uint8_t *)"\x01\x00")
#define TOK_ID_KRB_AP_REP ((const uint8_t *)"\x02\x00")
#define TOK_ID_KRB_ERROR ((const uint8_t *)"\x03\x00")
#define TOK_ID_GSS_GETMIC ((const uint8_t *)"\x01\x01")
#define TOK_ID_GSS_WRAP ((const uint8_t *)"\x02\x01")
enum wb_posix_mapping {
WB_POSIX_MAP_UNKNOWN = -1,
WB_POSIX_MAP_TEMPLATE = 0,
WB_POSIX_MAP_SFU = 1,
WB_POSIX_MAP_SFU20 = 2,
WB_POSIX_MAP_RFC2307 = 3,
WB_POSIX_MAP_UNIXINFO = 4
};
/* there are 5 possible types of errors the ads subsystem can produce */
enum ads_error_type {ENUM_ADS_ERROR_KRB5, ENUM_ADS_ERROR_GSS,
ENUM_ADS_ERROR_LDAP, ENUM_ADS_ERROR_SYSTEM, ENUM_ADS_ERROR_NT};
typedef struct {
enum ads_error_type error_type;
union err_state{
int rc;
NTSTATUS nt_status;
} err;
/* For error_type = ENUM_ADS_ERROR_GSS minor_status describe GSS API error */
/* Where rc represents major_status of GSS API error */
int minor_status;
} ADS_STATUS;
struct ads_struct;
struct ads_saslwrap_ops {
const char *name;
ADS_STATUS (*wrap)(struct ads_struct *, uint8 *buf, uint32 len);
ADS_STATUS (*unwrap)(struct ads_struct *);
void (*disconnect)(struct ads_struct *);
};
enum ads_saslwrap_type {
ADS_SASLWRAP_TYPE_PLAIN = 1,
ADS_SASLWRAP_TYPE_SIGN = 2,
ADS_SASLWRAP_TYPE_SEAL = 4
};
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;
int foreign; /* set to 1 if connecting to a foreign
* realm */
bool gc; /* Is this a global catalog server? */
} server;
/* info needed to authenticate */
struct {
char *realm;
char *password;
char *user_name;
char *kdc_server;
unsigned flags;
int time_offset;
time_t tgt_expire;
time_t tgs_expire;
time_t renewable;
} auth;
/* info derived from the servers config */
struct {
uint32 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;
} config;
/* info about the current LDAP connection */
#ifdef HAVE_LDAP
struct {
LDAP *ld;
struct sockaddr_storage ss; /* the ip of the active connection, if any */
time_t last_attempt; /* last attempt to reconnect */
int port;
enum ads_saslwrap_type wrap_type;
#ifdef HAVE_LDAP_SASL_WRAPPING
Sockbuf_IO_Desc *sbiod; /* lowlevel state for LDAP wrapping */
#endif /* HAVE_LDAP_SASL_WRAPPING */
TALLOC_CTX *mem_ctx;
const struct ads_saslwrap_ops *wrap_ops;
void *wrap_private_data;
struct {
uint32 ofs;
uint32 needed;
uint32 left;
#define ADS_SASL_WRAPPING_IN_MAX_WRAPPED 0x0FFFFFFF
uint32 max_wrapped;
uint32 min_wrapped;
uint32 size;
uint8 *buf;
} in;
struct {
uint32 ofs;
uint32 left;
#define ADS_SASL_WRAPPING_OUT_MAX_WRAPPED 0x00A00000
uint32 max_unwrapped;
uint32 sig_size;
uint32 size;
uint8 *buf;
} out;
} ldap;
#endif /* HAVE_LDAP */
} ADS_STRUCT;
/* used to remember the names of the posix attributes in AD */
/* see the rfc2307 & sfu nss backends */
struct posix_schema {
char *posix_homedir_attr;
char *posix_shell_attr;
char *posix_uidnumber_attr;
char *posix_gidnumber_attr;
char *posix_gecos_attr;
char *posix_uid_attr;
};
#ifdef HAVE_ADS
typedef LDAPMod **ADS_MODLIST;
#else
typedef void **ADS_MODLIST;
#endif
/* macros to simplify error returning */
#define ADS_ERROR(rc) ADS_ERROR_LDAP(rc)
#define ADS_ERROR_LDAP(rc) ads_build_error(ENUM_ADS_ERROR_LDAP, rc, 0)
#define ADS_ERROR_SYSTEM(rc) ads_build_error(ENUM_ADS_ERROR_SYSTEM, rc?rc:EINVAL, 0)
#define ADS_ERROR_KRB5(rc) ads_build_error(ENUM_ADS_ERROR_KRB5, rc, 0)
#define ADS_ERROR_GSS(rc, minor) ads_build_error(ENUM_ADS_ERROR_GSS, rc, minor)
#define ADS_ERROR_NT(rc) ads_build_nt_error(ENUM_ADS_ERROR_NT,rc)
#define ADS_ERR_OK(status) ((status.error_type == ENUM_ADS_ERROR_NT) ? NT_STATUS_IS_OK(status.err.nt_status):(status.err.rc == 0))
#define ADS_SUCCESS ADS_ERROR(0)
#define ADS_ERROR_HAVE_NO_MEMORY(x) do { \
if (!(x)) {\
return ADS_ERROR(LDAP_NO_MEMORY);\
}\
} while (0)
/* 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 attribute oids (Services for Unix 3.0, 3.5) */
#define ADS_ATTR_SFU_UIDNUMBER_OID "1.2.840.113556.1.6.18.1.310"
#define ADS_ATTR_SFU_GIDNUMBER_OID "1.2.840.113556.1.6.18.1.311"
#define ADS_ATTR_SFU_HOMEDIR_OID "1.2.840.113556.1.6.18.1.344"
#define ADS_ATTR_SFU_SHELL_OID "1.2.840.113556.1.6.18.1.312"
#define ADS_ATTR_SFU_GECOS_OID "1.2.840.113556.1.6.18.1.337"
#define ADS_ATTR_SFU_UID_OID "1.2.840.113556.1.6.18.1.309"
/* ldap attribute oids (Services for Unix 2.0) */
#define ADS_ATTR_SFU20_UIDNUMBER_OID "1.2.840.113556.1.4.7000.187.70"
#define ADS_ATTR_SFU20_GIDNUMBER_OID "1.2.840.113556.1.4.7000.187.71"
#define ADS_ATTR_SFU20_HOMEDIR_OID "1.2.840.113556.1.4.7000.187.106"
#define ADS_ATTR_SFU20_SHELL_OID "1.2.840.113556.1.4.7000.187.72"
#define ADS_ATTR_SFU20_GECOS_OID "1.2.840.113556.1.4.7000.187.97"
#define ADS_ATTR_SFU20_UID_OID "1.2.840.113556.1.4.7000.187.102"
/* ldap attribute oids (RFC2307) */
#define ADS_ATTR_RFC2307_UIDNUMBER_OID "1.3.6.1.1.1.1.0"
#define ADS_ATTR_RFC2307_GIDNUMBER_OID "1.3.6.1.1.1.1.1"
#define ADS_ATTR_RFC2307_HOMEDIR_OID "1.3.6.1.1.1.1.3"
#define ADS_ATTR_RFC2307_SHELL_OID "1.3.6.1.1.1.1.4"
#define ADS_ATTR_RFC2307_GECOS_OID "1.3.6.1.1.1.1.2"
#define ADS_ATTR_RFC2307_UID_OID "0.9.2342.19200300.100.1.1"
/* 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 */
/* ads auth control flags */
#define ADS_AUTH_DISABLE_KERBEROS 0x0001
#define ADS_AUTH_NO_BIND 0x0002
#define ADS_AUTH_ANON_BIND 0x0004
#define ADS_AUTH_SIMPLE_BIND 0x0008
#define ADS_AUTH_ALLOW_NTLMSSP 0x0010
#define ADS_AUTH_SASL_SIGN 0x0020
#define ADS_AUTH_SASL_SEAL 0x0040
#define ADS_AUTH_SASL_FORCE 0x0080
#define ADS_AUTH_USER_CREDS 0x0100
/* Kerberos environment variable names */
#define KRB5_ENV_CCNAME "KRB5CCNAME"
#define WELL_KNOWN_GUID_COMPUTERS "AA312825768811D1ADED00C04FD8D5CD"
#define WELL_KNOWN_GUID_USERS "A9D1CA15768811D1ADED00C04FD8D5CD"
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;
#define ADS_IGNORE_PRINCIPAL "not_defined_in_RFC4178@please_ignore"
#endif /* _INCLUDE_ADS_H_ */
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