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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-06-14 16:36:20 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-06-14 16:36:20 +0100 |
| commit | 7e6126e0169e6397d1e9e989433f590398d20fd8 (patch) | |
| tree | 691986e20bf64a560ce19be6ee77eca154c22189 /src/ragel/smtp_whitespace.rl | |
| parent | e1955662ec5a6d1b3b6b3d939d7d9be9346aa87d (diff) | |
| download | rspamd-7e6126e0169e6397d1e9e989433f590398d20fd8.tar.gz rspamd-7e6126e0169e6397d1e9e989433f590398d20fd8.zip | |
[Feature] Implement ragel parser for received headers
Diffstat (limited to 'src/ragel/smtp_whitespace.rl')
| -rw-r--r-- | src/ragel/smtp_whitespace.rl | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/ragel/smtp_whitespace.rl b/src/ragel/smtp_whitespace.rl new file mode 100644 index 000000000..5bac17a4e --- /dev/null +++ b/src/ragel/smtp_whitespace.rl @@ -0,0 +1,30 @@ +%%{ + machine smtp_whitespace; + + WSP = " "; + CRLF = "\r\n" | ("\r" [^\n]) | ([^\r] "\n"); + DQUOTE = '"'; + + # Printable US-ASCII characters not including specials + atext = alpha | digit | "!" | "#" | "$" | "%" | "&" | + "'" | "*" | "+" | "_" | "/" | "=" | "?" | "^" | + "-" | "`" | "{" | "|" | "}" | "~"; + # Printable US-ASCII characters not including "[", "]", or "\" + dtext = 33..90 | 94..126; + # Printable US-ASCII characters not including "(", ")", or "\" + ctext = 33..39 | 42..91 | 93..126; + + dcontent = 33..90 | 94..126; + Let_dig = alpha | digit; + Ldh_str = ( alpha | digit | "_" | "-" )* Let_dig; + + quoted_pairSMTP = "\\" 32..126; + qtextSMTP = 32..33 | 35..91 | 93..126; + Atom = atext+; + Dot_string = Atom ("." Atom)*; + dot_atom_text = atext+ ("." atext+)*; + FWS = ((WSP* CRLF)? WSP+); + + comment = "(" (FWS? ctext)* FWS? ")"; + CFWS = ((FWS? comment)+ FWS?) | FWS; +}%%
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