mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.0 KiB
95 lines
3.0 KiB
11 years ago
|
/* Copyright StrongLoop, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to
|
||
|
|
* deal in the Software without restriction, including without limitation the
|
||
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||
|
|
* IN THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef S5_H_
|
||
|
|
#define S5_H_
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#define S5_ERR_MAP(V) \
|
||
|
|
V(-1, bad_version, "Bad protocol version.") \
|
||
|
|
V(-2, bad_cmd, "Bad protocol command.") \
|
||
|
|
V(-3, bad_atyp, "Bad address type.") \
|
||
|
|
V(0, ok, "No error.") \
|
||
|
|
V(1, auth_select, "Select authentication method.") \
|
||
|
|
V(2, auth_verify, "Verify authentication.") \
|
||
|
|
V(3, exec_cmd, "Execute command.") \
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
#define S5_ERR_GEN(code, name, _) s5_ ## name = code,
|
||
|
|
S5_ERR_MAP(S5_ERR_GEN)
|
||
|
|
#undef S5_ERR_GEN
|
||
|
|
s5_max_errors
|
||
|
|
} s5_err;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
S5_AUTH_NONE = 1 << 0,
|
||
|
|
S5_AUTH_GSSAPI = 1 << 1,
|
||
|
|
S5_AUTH_PASSWD = 1 << 2
|
||
|
|
} s5_auth_method;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
s5_auth_allow,
|
||
|
|
s5_auth_deny
|
||
|
|
} s5_auth_result;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
s5_atyp_ipv4,
|
||
|
|
s5_atyp_ipv6,
|
||
|
|
s5_atyp_host
|
||
|
|
} s5_atyp;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
s5_cmd_tcp_connect,
|
||
|
|
s5_cmd_tcp_bind,
|
||
|
|
s5_cmd_udp_assoc
|
||
|
|
} s5_cmd;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t arg0; /* Scratch space for the state machine. */
|
||
|
|
uint32_t arg1; /* Scratch space for the state machine. */
|
||
|
|
uint8_t state;
|
||
|
|
uint8_t methods;
|
||
|
|
uint8_t cmd;
|
||
|
|
uint8_t atyp;
|
||
|
|
uint8_t userlen;
|
||
|
|
uint8_t passlen;
|
||
|
|
uint16_t dport;
|
||
|
|
uint8_t username[257];
|
||
|
|
uint8_t password[257];
|
||
|
|
uint8_t daddr[257]; /* TODO(bnoordhuis) Merge with username/password. */
|
||
|
|
} s5_ctx;
|
||
|
|
|
||
|
|
void s5_init(s5_ctx *ctx);
|
||
|
|
|
||
|
|
s5_err s5_parse(s5_ctx *cx, uint8_t **data, size_t *size);
|
||
|
|
|
||
|
|
/* Only call after s5_parse() has returned s5_want_auth_method. */
|
||
|
|
unsigned int s5_auth_methods(const s5_ctx *cx);
|
||
|
|
|
||
|
|
/* Call after s5_parse() has returned s5_want_auth_method. */
|
||
|
|
int s5_select_auth(s5_ctx *cx, s5_auth_method method);
|
||
|
|
|
||
|
|
const char *s5_strerror(s5_err err);
|
||
|
|
|
||
|
|
#endif /* S5_H_ */
|