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Fixed parser to properly handle Received: lines

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Signed-off-by: Janos SUTO <sj@acts.hu>
This commit is contained in:
Janos SUTO 2022-05-28 13:04:55 +02:00
parent d1b0df1b41
commit eb2b22b2bc
1 changed files with 13 additions and 1 deletions
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14
src/parser.c
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@ -113,7 +113,19 @@ void post_parse(struct session_data *sdata, struct parser_state *state, struct c
} }
char *q = strrchr(state->receivedbuf, ';'); char *q = strrchr(state->receivedbuf, ';');
if(q){ // I've seen some odd 1st Received: lines where the date
// wasn't the last item after a semicolon, eg.
//
// Received: from some.server.local [172.16.102.18]
// by some.server.com with POP3 (Message Archiver)
// for <nobody@127.0.0.1> (single-drop); Fri, 22 Nov 2019 11:24:49 -0500 (EST)
// smtp.auth=3Daaaaaaaa@yourdomain.com|Received:=20by=20yourdomain
// .com=20with=20ESMTPA=20id=20md50124862414.msg=3B=20Fri,=2022=20
// ...
//
// Such line messes with the parse_date_header() function
// so the workaround is to discard such Received: line
if(q && strlen(q+1) < 45){
time_t received_timestamp = parse_date_header(q+1); time_t received_timestamp = parse_date_header(q+1);
if(received_timestamp > 10000000){ if(received_timestamp > 10000000){
// If the calculated date based on Date: header line differs more than 1 week // If the calculated date based on Date: header line differs more than 1 week