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[MINOR] halog: support backslash-escaped quotes 

Some syslog servers escape quotes, which make the resulting logs unusable
for URL processing since the parser looks for the first field beginning
with a quote. It now supports also fields starting with backslash and
quote in order to address this. No performance impact was measured.
This commit is contained in:
Willy Tarreau 2011-09-06 08:11:27 +02:00
parent d3007ffa6f
commit 61a40c7402
1 changed files with 5 additions and 1 deletions
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6
contrib/halog/halog.c
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@ -1127,8 +1127,12 @@ void filter_count_url(const char *accept_field, const char *time_field, struct t
* if there's nothing else.
*/
e = field_start(e, METH_FIELD - TIME_FIELD + 1); // avg 100 ns per line
while (*e != '"' && *e)
while (*e != '"' && *e) {
/* Note: some syslog servers escape quotes ! */
if (*e == '\\' && e[1] == '"')
break;
e = field_start(e, 2);
}
if (unlikely(!*e)) {
truncated_line(linenum, line);