trunk/Include/wptKeyserver.h

/* wptKeyserver.h - Keyserver headerfile
 *      Copyright (C) 2000-2006 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version.
 *  
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

#ifndef WPT_KEYSERVER_H
#define WPT_KEYSERVER_H

#define HKP_PORT     11371 /* Horowitz Keyserver Protocol */
#define FINGER_PORT     79 /* Finger Protocol */
#define LDAP_PORT      389 /* Light Weight Dir Access Protocol. */

/* Default keyserver URL. */
#define DEF_HKP_KEYSERVER "http://subkeys.pgp.net"

/* Valid proxy protocols. */
enum proxy_proto_t {
    PROXY_PROTO_NONE = 0,
    PROXY_PROTO_HTTP,
    PROXY_PROTO_SOCKS4,
    PROXY_PROTO_SOCKS5
};

/* Valid proxy authentications. */
enum proxy_auth_t {
    PROXY_AUTH_NONE = 0,
    PROXY_AUTH_PLAIN = 2
};

/* Valid key server protocols. */
enum ksproto_t {
    KSPROTO_HTTP   = 0,
    KSPROTO_LDAP   = 1,
    KSPROTO_FINGER = 2
};
#define KSPROTO_HKP 0 /* alias for http */

struct keyserver_ctx {
    const char    *name;
    unsigned short port;
    const char    *pattern;
};

struct keyserver {
    char *name;     /* name of the keyserver. */
    int   port;     /* used tcp port. */
    int   used;     /* 1=entry will be used. */
    int   proto;    /* protocol (0..2). */
};

/* Proxy configuration context. */
struct keyserver_proxy_s {
    int   proto;        /* protocol. */
    int   port;         /* server port. */
    char *host;         /* server host. */
    int   auth_mode;    /* authentication mode. */
    char *user;         /* user. */
    char *base64_user;  /* base64 encoded user. */
    char *pass;         /* password. */
};
typedef struct keyserver_proxy_s *keyserver_proxy_t;

#define MAX_KEYSERVERS 32
extern keyserver server[MAX_KEYSERVERS]; /* runtime initialized */
extern char *default_keyserver;
extern WORD default_keyserver_port;
extern keyserver_proxy_s proxy;


struct keyserver_uid_s {
    struct keyserver_uid_s *next;
    long creation;
    long expires;
    char *uid;
};

struct keyserver_key_s {
    int    algo;                    /* pubkey algorithm. */
    int    bits;                    /* length of the key. */
    char   *keyid;                  /* keyid of the key. */
    long   creation;                /* creation date. */
    long   expires;
    struct keyserver_uid_s *uids;   /* list ofuser-ids. */
    const struct keyserver_uid_s *main_uid;
};


/*-- wptSOCKS.cpp --*/
int socks_handshake (keyserver_proxy_t ctx, int conn_fd,
                     const char *hostname, WORD port);

/*-- Winsock2 support --*/
int wsock_init (void);
void wsock_end (void);
const char* wsock_strerror (void);

/*-- Keyserver config --*/
int kserver_load_conf (const char *conf);
int kserver_save_conf (const char *conf);
const char* kserver_check_keyid (const char *keyid);
void kserver_proxy_release (keyserver_proxy_t ctx);
const char* kserver_get_hostname (int idx, int type, unsigned short *port);
void keyserver_set_default (const char *hostname, unsigned short port);
void kserver_set_socket_timeout (int nsec);

/*-- General --*/
int check_IP_or_hostname (const char *name);
const char* kserver_strerror (void);
int kserver_check_inet_connection (void);
int kserver_connect (const char *hostname, WORD port, int *conn_fd);
int kserver_sendkey (const char *hostname, WORD port, 
                     const char *pubkey, int len);
int kserver_recvkey (const char *hostname, WORD port, 
                     const char *keyid, char **r_key, int *r_keylen);
int kserver_search_begin (const char *hostname, WORD port, 
                          const char *pattern, int *conn_fd, int *nkeys);
int kserver_search_next (int conn_fd, keyserver_key_s **r_key);
void kserver_search_end (int conn_fd);
void kserver_release_key (keyserver_key_s *key);

/*-- Finger/LDAP Protocol --*/
int  ldap_recvkey (const char *hostname, const char *keyid, 
                   char **r_key, int *r_keylen);
int finger_recvkey (const char *host, const char *user, 
                    char **r_key, int *r_keylen);

/*-- Dialog support --*/
int hkp_send_key (HWND dlg, const char *kserver, unsigned short port, 
                  const char *pattern);
int hkp_recv_key (HWND dlg, const char *kserver, unsigned short port, 
                  const char *pattern, int proto, int flags);

#endif /* WPT_KEYSERVER_H */
1	werner	37	/* wptKeyserver.h - Keyserver headerfile
2	twoaday	146	* Copyright (C) 2000-2006 Timo Schulz
3	werner	37	*
4			* This file is part of WinPT.
5			*
6			* WinPT is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* WinPT is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#ifndef WPT_KEYSERVER_H
22			#define WPT_KEYSERVER_H
23
24			#define HKP_PORT 11371 /* Horowitz Keyserver Protocol */
25			#define FINGER_PORT 79 /* Finger Protocol */
26	twoaday	226	#define LDAP_PORT 389 /* Light Weight Dir Access Protocol. */
27	werner	37
28			/* Default keyserver URL. */
29			#define DEF_HKP_KEYSERVER "http://subkeys.pgp.net"
30
31	twoaday	180	/* Valid proxy protocols. */
32			enum proxy_proto_t {
33	twoaday	186	PROXY_PROTO_NONE = 0,
34			PROXY_PROTO_HTTP,
35	twoaday	180	PROXY_PROTO_SOCKS4,
36			PROXY_PROTO_SOCKS5
37	werner	37	};
38
39	twoaday	180	/* Valid proxy authentications. */
40			enum proxy_auth_t {
41			PROXY_AUTH_NONE = 0,
42			PROXY_AUTH_PLAIN = 2
43			};
44
45	werner	37	/* Valid key server protocols. */
46			enum ksproto_t {
47			KSPROTO_HTTP = 0,
48			KSPROTO_LDAP = 1,
49			KSPROTO_FINGER = 2
50			};
51			#define KSPROTO_HKP 0 /* alias for http */
52
53			struct keyserver_ctx {
54			const char *name;
55			unsigned short port;
56			const char *pattern;
57			};
58
59			struct keyserver {
60			char name; / name of the keyserver. */
61			int port; /* used tcp port. */
62			int used; /* 1=entry will be used. */
63			int proto; /* protocol (0..2). */
64			};
65
66	twoaday	180	/* Proxy configuration context. */
67			struct keyserver_proxy_s {
68			int proto; /* protocol. */
69			int port; /* server port. */
70			char host; / server host. */
71			int auth_mode; /* authentication mode. */
72			char user; / user. */
73			char base64_user; / base64 encoded user. */
74			char pass; / password. */
75	werner	37	};
76	twoaday	180	typedef struct keyserver_proxy_s *keyserver_proxy_t;
77	werner	37
78			#define MAX_KEYSERVERS 32
79			extern keyserver server[MAX_KEYSERVERS]; /* runtime initialized */
80	twoaday	115	extern char *default_keyserver;
81	twoaday	146	extern WORD default_keyserver_port;
82	twoaday	180	extern keyserver_proxy_s proxy;
83	werner	37
84	twoaday	214
85			struct keyserver_uid_s {
86			struct keyserver_uid_s *next;
87			long creation;
88			long expires;
89			char *uid;
90	werner	37	};
91
92	twoaday	214	struct keyserver_key_s {
93			int algo; /* pubkey algorithm. */
94			int bits; /* length of the key. */
95			char keyid; / keyid of the key. */
96			long creation; /* creation date. */
97			long expires;
98			struct keyserver_uid_s uids; / list ofuser-ids. */
99			const struct keyserver_uid_s *main_uid;
100			};
101	werner	37
102	twoaday	214
103	twoaday	180	/-- wptSOCKS.cpp --/
104			int socks_handshake (keyserver_proxy_t ctx, int conn_fd,
105			const char *hostname, WORD port);
106
107	werner	37	/-- Winsock2 support --/
108			int wsock_init (void);
109			void wsock_end (void);
110			const char* wsock_strerror (void);
111
112			/-- Keyserver config --/
113			int kserver_load_conf (const char *conf);
114	twoaday	151	int kserver_save_conf (const char *conf);
115	werner	37	const char* kserver_check_keyid (const char *keyid);
116	twoaday	180	void kserver_proxy_release (keyserver_proxy_t ctx);
117	twoaday	146	const char* kserver_get_hostname (int idx, int type, unsigned short *port);
118	werner	37	void keyserver_set_default (const char *hostname, unsigned short port);
119	twoaday	182	void kserver_set_socket_timeout (int nsec);
120	werner	37
121			/-- General --/
122			int check_IP_or_hostname (const char *name);
123	twoaday	146	const char* kserver_strerror (void);
124	werner	37	int kserver_check_inet_connection (void);
125	twoaday	146	int kserver_connect (const char hostname, WORD port, int conn_fd);
126			int kserver_sendkey (const char *hostname, WORD port,
127	twoaday	115	const char *pubkey, int len);
128	twoaday	146	int kserver_recvkey (const char *hostname, WORD port,
129	twoaday	209	const char keyid, char r_key, int r_keylen);
130	twoaday	186	int kserver_search_begin (const char *hostname, WORD port,
131	twoaday	214	const char pattern, int conn_fd, int *nkeys);
132			int kserver_search_next (int conn_fd, keyserver_key_s **r_key);
133	twoaday	186	void kserver_search_end (int conn_fd);
134	twoaday	214	void kserver_release_key (keyserver_key_s *key);
135	werner	37
136			/-- Finger/LDAP Protocol --/
137	twoaday	209	int ldap_recvkey (const char hostname, const char keyid,
138			char *r_key, int r_keylen);
139			int finger_recvkey (const char host, const char user,
140			char *r_key, int r_keylen);
141	werner	37
142			/-- Dialog support --/
143	twoaday	115	int hkp_send_key (HWND dlg, const char *kserver, unsigned short port,
144			const char *pattern);
145			int hkp_recv_key (HWND dlg, const char *kserver, unsigned short port,
146			const char *pattern, int proto, int flags);
147	werner	37
148	twoaday	115	#endif /* WPT_KEYSERVER_H */