| #ifndef HEADER_CURL_POP3_H |
| #define HEADER_CURL_POP3_H |
| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 2009 - 2021, Daniel Stenberg, <[email protected]>, et al. |
| * |
| * This software is licensed as described in the file COPYING, which |
| * you should have received as part of this distribution. The terms |
| * are also available at https://curl.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ***************************************************************************/ |
| |
| #include "pingpong.h" |
| #include "curl_sasl.h" |
| |
| /**************************************************************************** |
| * POP3 unique setup |
| ***************************************************************************/ |
| typedef enum { |
| POP3_STOP, /* do nothing state, stops the state machine */ |
| POP3_SERVERGREET, /* waiting for the initial greeting immediately after |
| a connect */ |
| POP3_CAPA, |
| POP3_STARTTLS, |
| POP3_UPGRADETLS, /* asynchronously upgrade the connection to SSL/TLS |
| (multi mode only) */ |
| POP3_AUTH, |
| POP3_APOP, |
| POP3_USER, |
| POP3_PASS, |
| POP3_COMMAND, |
| POP3_QUIT, |
| POP3_LAST /* never used */ |
| } pop3state; |
| |
| /* This POP3 struct is used in the Curl_easy. All POP3 data that is |
| connection-oriented must be in pop3_conn to properly deal with the fact that |
| perhaps the Curl_easy is changed between the times the connection is |
| used. */ |
| struct POP3 { |
| curl_pp_transfer transfer; |
| char *id; /* Message ID */ |
| char *custom; /* Custom Request */ |
| }; |
| |
| /* pop3_conn is used for struct connection-oriented data in the connectdata |
| struct */ |
| struct pop3_conn { |
| struct pingpong pp; |
| pop3state state; /* Always use pop3.c:state() to change state! */ |
| bool ssldone; /* Is connect() over SSL done? */ |
| bool tls_supported; /* StartTLS capability supported by server */ |
| size_t eob; /* Number of bytes of the EOB (End Of Body) that |
| have been received so far */ |
| size_t strip; /* Number of bytes from the start to ignore as |
| non-body */ |
| struct SASL sasl; /* SASL-related storage */ |
| unsigned int authtypes; /* Accepted authentication types */ |
| unsigned int preftype; /* Preferred authentication type */ |
| char *apoptimestamp; /* APOP timestamp from the server greeting */ |
| }; |
| |
| extern const struct Curl_handler Curl_handler_pop3; |
| extern const struct Curl_handler Curl_handler_pop3s; |
| |
| /* Authentication type flags */ |
| #define POP3_TYPE_CLEARTEXT (1 << 0) |
| #define POP3_TYPE_APOP (1 << 1) |
| #define POP3_TYPE_SASL (1 << 2) |
| |
| /* Authentication type values */ |
| #define POP3_TYPE_NONE 0 |
| #define POP3_TYPE_ANY ~0U |
| |
| /* This is the 5-bytes End-Of-Body marker for POP3 */ |
| #define POP3_EOB "\x0d\x0a\x2e\x0d\x0a" |
| #define POP3_EOB_LEN 5 |
| |
| /* This function scans the body after the end-of-body and writes everything |
| * until the end is found */ |
| CURLcode Curl_pop3_write(struct Curl_easy *data, char *str, size_t nread); |
| |
| #endif /* HEADER_CURL_POP3_H */ |
