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annotate src/login-common/login-proxy.h @ 9756:e30495ae11de HEAD

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*-login: Moved most of the common code to login-common.
author Timo Sirainen <tss@iki.fi>
date Sun, 09 Aug 2009 21:53:14 -0400
parents 96678e83eab6
children 8e099a00f8a9
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef LOGIN_PROXY_H
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2 #define LOGIN_PROXY_H
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3
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4 struct client;
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5 struct login_proxy;
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6
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7 enum login_proxy_ssl_flags {
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8 /* Use SSL/TLS enabled */
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9 PROXY_SSL_FLAG_YES = 0x01,
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10 /* Don't do SSL handshake immediately after connected */
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11 PROXY_SSL_FLAG_STARTTLS = 0x02,
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12 /* Don't require that the received certificate is valid */
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13 PROXY_SSL_FLAG_ANY_CERT = 0x04
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14 };
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15
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16 /* Called when new input comes from proxy. */
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17 typedef void proxy_callback_t(void *context);
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18
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19 /* Create a proxy to given host. Returns NULL if failed. Given callback is
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20 called when new input is available from proxy. */
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21 struct login_proxy *
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22 login_proxy_new(struct client *client, const char *host, unsigned int port,
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23 enum login_proxy_ssl_flags ssl_flags,
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24 proxy_callback_t *callback, void *context);
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25 #ifdef CONTEXT_TYPE_SAFETY
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26 # define login_proxy_new(client, host, port, ssl_flags, callback, context) \
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27 ({(void)(1 ? 0 : callback(context)); \
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28 login_proxy_new(client, host, port, ssl_flags, \
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29 (proxy_callback_t *)callback, context); })
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30 #else
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31 # define login_proxy_new(client, host, port, ssl_flags, callback, context) \
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32 login_proxy_new(client, host, port, ssl_flags, \
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33 (proxy_callback_t *)callback, context)
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34 #endif
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35 /* Free the proxy. This should be called if authentication fails. */
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36 void login_proxy_free(struct login_proxy **proxy);
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37
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38 /* Return TRUE if host/port/destuser combination points to same as current
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39 connection. */
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40 bool login_proxy_is_ourself(const struct client *client, const char *host,
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41 unsigned int port, const char *destuser);
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42
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43 /* Detach proxy from client. This is done after the authentication is
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44 successful and all that is left is the dummy proxying. */
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45 void login_proxy_detach(struct login_proxy *proxy, struct istream *client_input,
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46 struct ostream *client_output);
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47
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48 /* STARTTLS command was issued. */
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49 int login_proxy_starttls(struct login_proxy *proxy);
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50
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51 struct istream *login_proxy_get_istream(struct login_proxy *proxy);
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52 struct ostream *login_proxy_get_ostream(struct login_proxy *proxy);
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53
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54 const char *login_proxy_get_host(const struct login_proxy *proxy) ATTR_PURE;
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55 unsigned int login_proxy_get_port(const struct login_proxy *proxy) ATTR_PURE;
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56 enum login_proxy_ssl_flags
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57 login_proxy_get_ssl_flags(const struct login_proxy *proxy) ATTR_PURE;
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58
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59 void login_proxy_deinit(void);
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60
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61 #endif