1 #ifndef SMTP_SYNTAX_H
2 #define SMTP_SYNTAX_H
3
4 struct smtp_parser;
5
6 /*
7 * String
8 */
9
10 int smtp_string_parse(const char *string, const char **value_r,
11 const char **error_r);
12 void smtp_string_write(string_t *out, const char *value);
13
14 /*
15 * Xtext encoding
16 */
17
18 int smtp_xtext_decode(string_t *out, const char *xtext, bool allow_nul,
19 const char **error_r);
20 int smtp_xtext_parse(const char *xtext, const char **value_r,
21 const char **error_r);
22
23 void smtp_xtext_encode(string_t *out, const unsigned char *data, size_t size);
24 static inline void
smtp_xtext_encode_cstr(string_t * out,const char * data)25 smtp_xtext_encode_cstr(string_t *out, const char *data)
26 {
27 smtp_xtext_encode(out, (const unsigned char *)data, strlen(data));
28 }
29
30 /*
31 * HELO domain
32 */
33
34 int smtp_helo_domain_parse(const char *helo, bool allow_literal,
35 const char **domain_r);
36
37 /*
38 * EHLO reply
39 */
40
41 bool smtp_ehlo_keyword_is_valid(const char *keyword);
42 bool smtp_ehlo_param_is_valid(const char *param);
43 bool smtp_ehlo_params_are_valid(const char *const *params) ATTR_NULL(1);
44 bool smtp_ehlo_params_str_is_valid(const char *params);
45
46 int smtp_ehlo_line_parse(const char *ehlo_line, const char **key_r,
47 const char *const **params_r, const char **error_r);
48
49 #endif
50