ntlm.c File Reference

#include "syshead.h"
#include "common.h"
#include "buffer.h"
#include "misc.h"
#include "socket.h"
#include "fdmisc.h"
#include "proxy.h"
#include "ntlm.h"
#include "base64.h"
#include "crypto.h"
#include "memdbg.h"

Include dependency graph for ntlm.c:

Go to the source code of this file.

Macros
#define	UINTEGER64   unsigned long long
#define	UINT64(c)   c ## LL

Functions
static void	create_des_keys (const unsigned char *hash, unsigned char *key)
static void	gen_md4_hash (const uint8_t *data, int data_len, uint8_t *result)
static void	gen_hmac_md5 (const uint8_t *data, int data_len, const uint8_t *key, int key_len, uint8_t *result)
static void	gen_timestamp (uint8_t *timestamp)
static void	gen_nonce (unsigned char *nonce)
static void	my_strupr (char *str)
static int	unicodize (char *dst, const char *src)
static void	add_security_buffer (int sb_offset, void *data, int length, unsigned char *msg_buf, int *msg_bufpos)
const char *	ntlm_phase_1 (const struct http_proxy_info *p, struct gc_arena *gc)
const char *	ntlm_phase_3 (const struct http_proxy_info *p, const char *phase_2, struct gc_arena *gc)

Macro Definition Documentation

UINT64

#define UINT64

(

c

)

c ## LL

Definition at line 54 of file ntlm.c.

Referenced by add_block_dns_filters(), and gen_timestamp().

UINTEGER64

#define UINTEGER64   unsigned long long

Definition at line 53 of file ntlm.c.

Referenced by gen_timestamp().

Function Documentation

add_security_buffer()

static void add_security_buffer ( int  sb_offset, void *  data, int  length, unsigned char *  msg_buf, int *  msg_bufpos  )

static

Definition at line 161 of file ntlm.c.

Referenced by ntlm_phase_3().

create_des_keys()

static void create_des_keys ( const unsigned char *  hash, unsigned char *  key  )

static

Definition at line 60 of file ntlm.c.

References key_des_fixup().

Referenced by ntlm_phase_3().

gen_hmac_md5()

static void gen_hmac_md5 ( const uint8_t *  data, int  data_len, const uint8_t *  key, int  key_len, uint8_t *  result  )

static

Definition at line 85 of file ntlm.c.

References hmac_ctx_cleanup(), hmac_ctx_final(), hmac_ctx_free(), hmac_ctx_init(), hmac_ctx_new(), hmac_ctx_update(), and md_kt_get().

Referenced by ntlm_phase_3().

gen_md4_hash()

static void gen_md4_hash ( const uint8_t *  data, int  data_len, uint8_t *  result  )

static

Definition at line 74 of file ntlm.c.

References MD4_DIGEST_LENGTH, md_full(), and md_kt_get().

Referenced by ntlm_phase_3().

gen_nonce()

static void gen_nonce ( unsigned char *  nonce )

static

Definition at line 123 of file ntlm.c.

References get_random().

Referenced by ntlm_phase_3().

gen_timestamp()

static void gen_timestamp ( uint8_t *  timestamp )

static

Definition at line 99 of file ntlm.c.

References openvpn_time(), UINT64, and UINTEGER64.

Referenced by ntlm_phase_3().

my_strupr()

static void my_strupr ( char *  str )

static

Definition at line 135 of file ntlm.c.

Referenced by ntlm_phase_3().

ntlm_phase_1()

const char* ntlm_phase_1	(	const struct http_proxy_info *	p,
		struct gc_arena *	gc
	)

Definition at line 175 of file ntlm.c.

References alloc_buf_gc(), BSTR, and buf_printf().

Referenced by establish_http_proxy_passthru().

ntlm_phase_3()

const char* ntlm_phase_3	(	const struct http_proxy_info *	p,
		const char *	phase_2,
		struct gc_arena *	gc
	)

Definition at line 192 of file ntlm.c.

References add_security_buffer(), ASSERT, http_proxy_info::auth_method, cipher_des_encrypt_ecb(), CLEAR, create_des_keys(), DES_KEY_LENGTH, flags, gen_hmac_md5(), gen_md4_hash(), gen_nonce(), gen_timestamp(), HTTP_AUTH_NTLM2, buffer::len, M_INFO, make_base64_string2(), MD4_DIGEST_LENGTH, MD5_DIGEST_LENGTH, msg, my_strupr(), openvpn_base64_decode(), user_pass::password, unicodize(), http_proxy_info::up, and user_pass::username.

Referenced by establish_http_proxy_passthru().

unicodize()

static int unicodize ( char *  dst, const char *  src  )

static

Definition at line 147 of file ntlm.c.

Referenced by ntlm_phase_3().