1 #ifndef HEADER_CURL_IMAP_H 2 #define HEADER_CURL_IMAP_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 2009 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at https://curl.haxx.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 ***************************************************************************/ 24 25 #include "pingpong.h" 26 #include "curl_sasl.h" 27 28 /**************************************************************************** 29 * IMAP unique setup 30 ***************************************************************************/ 31 typedef enum { 32 IMAP_STOP, /* do nothing state, stops the state machine */ 33 IMAP_SERVERGREET, /* waiting for the initial greeting immediately after 34 a connect */ 35 IMAP_CAPABILITY, 36 IMAP_STARTTLS, 37 IMAP_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS 38 (multi mode only) */ 39 IMAP_AUTHENTICATE, 40 IMAP_LOGIN, 41 IMAP_LIST, 42 IMAP_SELECT, 43 IMAP_FETCH, 44 IMAP_FETCH_FINAL, 45 IMAP_APPEND, 46 IMAP_APPEND_FINAL, 47 IMAP_SEARCH, 48 IMAP_LOGOUT, 49 IMAP_LAST /* never used */ 50 } imapstate; 51 52 /* This IMAP struct is used in the Curl_easy. All IMAP data that is 53 connection-oriented must be in imap_conn to properly deal with the fact that 54 perhaps the Curl_easy is changed between the times the connection is 55 used. */ 56 struct IMAP { 57 curl_pp_transfer transfer; 58 char *mailbox; /* Mailbox to select */ 59 char *uidvalidity; /* UIDVALIDITY to check in select */ 60 char *uid; /* Message UID to fetch */ 61 char *section; /* Message SECTION to fetch */ 62 char *partial; /* Message PARTIAL to fetch */ 63 char *query; /* Query to search for */ 64 char *custom; /* Custom request */ 65 char *custom_params; /* Parameters for the custom request */ 66 }; 67 68 /* imap_conn is used for struct connection-oriented data in the connectdata 69 struct */ 70 struct imap_conn { 71 struct pingpong pp; 72 imapstate state; /* Always use imap.c:state() to change state! */ 73 bool ssldone; /* Is connect() over SSL done? */ 74 struct SASL sasl; /* SASL-related parameters */ 75 unsigned int preftype; /* Preferred authentication type */ 76 int cmdid; /* Last used command ID */ 77 char resptag[5]; /* Response tag to wait for */ 78 bool tls_supported; /* StartTLS capability supported by server */ 79 bool login_disabled; /* LOGIN command disabled by server */ 80 bool ir_supported; /* Initial response supported by server */ 81 char *mailbox; /* The last selected mailbox */ 82 char *mailbox_uidvalidity; /* UIDVALIDITY parsed from select response */ 83 }; 84 85 extern const struct Curl_handler Curl_handler_imap; 86 extern const struct Curl_handler Curl_handler_imaps; 87 88 /* Authentication type flags */ 89 #define IMAP_TYPE_CLEARTEXT (1 << 0) 90 #define IMAP_TYPE_SASL (1 << 1) 91 92 /* Authentication type values */ 93 #define IMAP_TYPE_NONE 0 94 #define IMAP_TYPE_ANY ~0U 95 96 #endif /* HEADER_CURL_IMAP_H */ 97