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#ifndef RSPAMD_SMTP_PROTO_H
#define RSPAMD_SMTP_PROTO_H
#include "config.h"
/* SMTP errors */
#define SMTP_ERROR_BAD_COMMAND "500 Syntax error, command unrecognized" CRLF
#define SMTP_ERROR_BAD_ARGUMENTS "501 Syntax error in parameters or arguments" \
CRLF
#define SMTP_ERROR_SEQUENCE "503 Bad sequence of commands" CRLF
#define SMTP_ERROR_RECIPIENTS "554 No valid recipients" CRLF
#define SMTP_ERROR_UNIMPLIMENTED "502 Command not implemented" CRLF
#define SMTP_ERROR_LIMIT "505 Too many errors. Aborting." CRLF
#define SMTP_ERROR_UPSTREAM \
"421 Service not available, closing transmission channel" CRLF
#define SMTP_ERROR_FILE "420 Service not available, filesystem error" CRLF
#define SMTP_ERROR_OK "250 Requested mail action okay, completed" CRLF
#define SMTP_ERROR_DATA_OK "354 Start mail input; end with <CRLF>.<CRLF>" CRLF
#define DATA_END_TRAILER "." CRLF
#define XCLIENT_HOST_UNAVAILABLE "[UNAVAILABLE]"
#define XCLIENT_HOST_TEMPFAIL "[TEMPUNAVAIL]"
#define MAX_SMTP_UPSTREAMS 128
struct smtp_command {
enum {
SMTP_COMMAND_HELO,
SMTP_COMMAND_EHLO,
SMTP_COMMAND_QUIT,
SMTP_COMMAND_NOOP,
SMTP_COMMAND_MAIL,
SMTP_COMMAND_RCPT,
SMTP_COMMAND_RSET,
SMTP_COMMAND_DATA,
SMTP_COMMAND_VRFY,
SMTP_COMMAND_EXPN,
SMTP_COMMAND_HELP
} command;
GList *args;
};
/*
* Generate SMTP error message
*/
gchar * make_smtp_error (rspamd_mempool_t *pool,
gint error_code,
const gchar *format,
...);
/*
* Parse a single SMTP command
*/
gboolean parse_smtp_command (struct smtp_session *session,
f_str_t *line,
struct smtp_command **cmd);
/*
* Parse HELO command
*/
gboolean parse_smtp_helo (struct smtp_session *session,
struct smtp_command *cmd);
/*
* Parse MAIL command
*/
gboolean parse_smtp_from (struct smtp_session *session,
struct smtp_command *cmd);
/*
* Parse RCPT command
*/
gboolean parse_smtp_rcpt (struct smtp_session *session,
struct smtp_command *cmd);
/* Upstream SMTP */
/*
* Read a line from SMTP upstream
*/
gboolean smtp_upstream_read_socket (f_str_t * in, void *arg);
/*
* Write to SMTP upstream
*/
gboolean smtp_upstream_write_socket (void *arg);
/*
* Error handler for SMTP upstream
*/
void smtp_upstream_err_socket (GError *err, void *arg);
/*
* Terminate connection with upstream
*/
void smtp_upstream_finalize_connection (gpointer data);
/*
* Write a list of strings to the upstream
*/
size_t smtp_upstream_write_list (GList *args, gchar *buf, size_t buflen);
#endif
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