Authentication
[LibTDS API]

Functions for handling authentication. More...

Classes
struct	names_blob_prefix_t
struct	tds_answer
struct	tds_ntlm_auth
Defines
#define	offsetof(st, m)   ((size_t) ( (char *)&((st *)(0))->m - (char *)0 ))
Typedefs
typedef struct tds_answer	TDSANSWER
typedef struct tds_ntlm_auth	TDSNTLMAUTH
Functions
static void	convert_to_upper (char *buf, size_t len)
static size_t	convert_to_usc2le_string (TDSSOCKET *tds, const char *s, size_t len, char *out)
static void	fill_names_blob_prefix (names_blob_prefix_t *prefix)
static void	generate_random_buffer (unsigned char *out, int len)
static unsigned char *	make_lm_v2_response (const unsigned char ntlm_v2_hash[16], const unsigned char *client_data, TDS_INT client_data_len, const unsigned char challenge[8])
static int	make_ntlm_hash (TDSSOCKET *tds, const char *passwd, unsigned char ntlm_hash[16])
static int	make_ntlm_v2_hash (TDSSOCKET *tds, const char *passwd, unsigned char ntlm_v2_hash[16])
static int	tds7_send_auth (TDSSOCKET *tds, const unsigned char *challenge, TDS_UINT flags, const unsigned char *names_blob, TDS_INT names_blob_len)
static int	tds_answer_challenge (TDSSOCKET *tds, TDSCONNECTION *connection, const unsigned char *challenge, TDS_UINT *flags, const unsigned char *names_blob, TDS_INT names_blob_len, TDSANSWER *answer, unsigned char **ntlm_v2_response)
	Crypt a given password using schema required for NTLMv1 or NTLM2 authentication.
static int	tds_answer_challenge_ntlmv2 (TDSSOCKET *tds, TDSCONNECTION *connection, const unsigned char *challenge, TDS_UINT *flags, const unsigned char *names_blob, TDS_INT names_blob_len, TDSANSWER *answer, unsigned char **ntlm_v2_response)
static void	tds_convert_key (const unsigned char *key_56, DES_KEY *ks)
static void	tds_encrypt_answer (const unsigned char *hash, const unsigned char *challenge, unsigned char *answer)
static int	tds_ntlm_free (TDSSOCKET *tds, TDSAUTHENTICATION *tds_auth)
TDSAUTHENTICATION *	tds_ntlm_get_auth (TDSSOCKET *tds)
	Build a NTLMSPP packet to send to server.
static int	tds_ntlm_handle_next (TDSSOCKET *tds, struct tds_authentication *auth, size_t len)
static void	unix_to_nt_time (TDS_UINT8 *nt, time_t t)
	put a 8 byte filetime from a time_t This takes GMT as input
Variables
static const unsigned char	ntlm_id [] = "NTLMSSP"

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Detailed Description

Functions for handling authentication.

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Function Documentation

static int tds_answer_challenge	(	TDSSOCKET *	tds,
		TDSCONNECTION *	connection,
		const unsigned char *	challenge,
		TDS_UINT *	flags,
		const unsigned char *	names_blob,
		TDS_INT	names_blob_len,
		TDSANSWER *	answer,
		unsigned char **	ntlm_v2_response
	)			[static]

Crypt a given password using schema required for NTLMv1 or NTLM2 authentication.

Parameters:

	passwd	clear text domain password
	challenge	challenge data given by server
	flags	NTLM flags from server side
	answer	buffer where to store crypted password

TDSAUTHENTICATION* tds_ntlm_get_auth

(

TDSSOCKET *

tds

)

Build a NTLMSPP packet to send to server.

Parameters:

tds

A pointer to the TDSSOCKET structure managing a client/server operation.

Returns:

authentication info