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108 lines
3 KiB
C
108 lines
3 KiB
C
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/* $Id$ */
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/* Copyright Gerhard Rieger 2004-2007 */
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/* Published under the GNU General Public License V.2, see file COPYING */
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#ifndef __xio_socks5_h_included
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#define __xio_socks5_h_included 1
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#define SOCKS5_VERSION 5
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#define SOCKS5_METHOD_NOAUTH 0x00
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#define SOCKS5_METHOD_GSSAPI 0x01
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#define SOCKS5_METHOD_USERPASS 0x02
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#define SOCKS5_METHOD_AVENTAIL 0x86 /*!*/
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#define SOCKS5_METHOD_NONE 0xff
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#define SOCKS5_COMMAND_CONNECT 0x01
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#define SOCKS5_COMMAND_BIND 0x02
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#define SOCKS5_COMMAND_UDPASSOC 0x03
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#define SOCKS5_ADDRTYPE_IPV4 0x01
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#define SOCKS5_ADDRTYPE_NAME 0x03
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#define SOCKS5_ADDRTYPE_IPV6 0x04
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#define SOCKS5_REPLY_SUCCESS 0x00
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#define SOCKS5_REPLY_FAILURE 0x01
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#define SOCKS5_REPLY_DENIED 0x02
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#define SOCKS5_REPLY_NETUNREACH 0x03
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#define SOCKS5_REPLY_HOSTUNREACH 0x04
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#define SOCKS5_REPLY_REFUSED 0x05
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#define SOCKS5_REPLY_TTLEXPIRED 0x06
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#define SOCKS5_REPLY_CMDUNSUPP 0x07
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#define SOCKS5_REPLY_ADDRUNSUPP 0x08
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#define SOCKS5_USERPASS_VERSION 0x01
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/* just the first byte of server replies */
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struct socks5_version {
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uint8_t version;
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} ;
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/* the version/method selection message of the client */
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struct socks5_method {
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uint8_t version;
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uint8_t nmethods;
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uint8_t methods[1]; /* has variable length, see nmethods */
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} ;
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/* the selection message of the server */
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struct socks5_select {
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uint8_t version;
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uint8_t method;
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} ;
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#define SOCKS5_SELECT_LENGTH sizeof(struct socks5_select)
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/* the request message */
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struct socks5_request {
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uint8_t version;
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uint8_t command;
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uint8_t reserved;
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uint8_t addrtype;
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uint8_t destaddr[1]; /* has variable length */
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/*uint16_t destport;*/ /* position depends on length of destaddr */
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} ;
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/* the request message */
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struct socks5_reply {
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uint8_t version;
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uint8_t reply;
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uint8_t reserved;
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uint8_t addrtype;
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uint8_t destaddr[1]; /* has variable length */
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/*uint16_t destport;*/ /* position depends on length of destaddr */
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} ;
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#define SOCKS5_REPLY_LENGTH1 4 /*!*/ /* the fixed size fields */
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/* the username/password authentication reply */
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struct socks5_userpass_reply {
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uint8_t version; /* authentication version, not socks version */
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uint8_t status;
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} ;
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#if 0
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extern const struct optdesc opt_socksport;
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extern const struct optdesc opt_socksuser;
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#endif
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extern const struct optdesc opt_socks5_username;
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extern const struct optdesc opt_socks5_password;
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extern const union xioaddr_desc *xioaddrs_socks5_client[];
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extern int
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_xioopen_socks5_connect0(struct single *xfd,
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const char *targetname, const char *targetservice,
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int level);
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extern int _xioopen_socks5_connect(struct single *xfd,
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const char *targetname,
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const char *targetservice,
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struct opt *opts,
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int level);
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extern int xio_socks5_dialog(int level, struct single *xfd,
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unsigned char *sendbuff, size_t sendlen,
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unsigned char *recvbuff, size_t recvlen,
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const char *descr);
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extern int xio_socks5_username_password(int level, struct opt *opts,
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struct single *xfd);
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#endif /* !defined(__xio_socks5_h_included) */
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