1 #ifndef HEADER_CURL_IMAP_H 2 #define HEADER_CURL_IMAP_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 2009 - 2020, 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 *mindex; /* Index in mail box of mail to fetch */ 62 char *section; /* Message SECTION to fetch */ 63 char *partial; /* Message PARTIAL to fetch */ 64 char *query; /* Query to search for */ 65 char *custom; /* Custom request */ 66 char *custom_params; /* Parameters for the custom request */ 67 }; 68 69 /* imap_conn is used for struct connection-oriented data in the connectdata 70 struct */ 71 struct imap_conn { 72 struct pingpong pp; 73 imapstate state; /* Always use imap.c:state() to change state! */ 74 bool ssldone; /* Is connect() over SSL done? */ 75 bool preauth; /* Is this connection PREAUTH? */ 76 struct SASL sasl; /* SASL-related parameters */ 77 unsigned int preftype; /* Preferred authentication type */ 78 unsigned int cmdid; /* Last used command ID */ 79 char resptag[5]; /* Response tag to wait for */ 80 bool tls_supported; /* StartTLS capability supported by server */ 81 bool login_disabled; /* LOGIN command disabled by server */ 82 bool ir_supported; /* Initial response supported by server */ 83 char *mailbox; /* The last selected mailbox */ 84 char *mailbox_uidvalidity; /* UIDVALIDITY parsed from select response */ 85 struct dynbuf dyn; /* for the IMAP commands */ 86 }; 87 88 extern const struct Curl_handler Curl_handler_imap; 89 extern const struct Curl_handler Curl_handler_imaps; 90 91 /* Authentication type flags */ 92 #define IMAP_TYPE_CLEARTEXT (1 << 0) 93 #define IMAP_TYPE_SASL (1 << 1) 94 95 /* Authentication type values */ 96 #define IMAP_TYPE_NONE 0 97 #define IMAP_TYPE_ANY ~0U 98 99 #endif /* HEADER_CURL_IMAP_H */ 100