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Log truncated DNS replies.

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This commit is contained in:
Simon Kelley
2023-05-17 23:19:30 +01:00
parent 31c91b40bd
commit 1419de285f
3 changed files with 35 additions and 17 deletions
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17
src/cache.c
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@@ -2049,9 +2049,10 @@ static char *edestr(int ede)
void log_query(unsigned int flags, char *name, union all_addr *addr, char *arg, unsigned short type)
{
char *source, *dest = arg;
char *source, *dest;
char *verb = "is";
char *extra = "";
char *gap = " ";
char portstring[7]; /* space for #<portnum> */
if (!option_bool(OPT_LOG))
@@ -2061,6 +2062,8 @@ void log_query(unsigned int flags, char *name, union all_addr *addr, char *arg,
if (!(flags & (F_SERVER | F_IPSET)) && type > 0)
arg = querystr(arg, type);
dest = arg;
#ifdef HAVE_DNSSEC
if ((flags & F_DNSSECOK) && option_bool(OPT_EXTRALOG))
extra = " (DNSSEC signed)";
@@ -2186,19 +2189,21 @@ void log_query(unsigned int flags, char *name, union all_addr *addr, char *arg,
else
source = "cached";
if (name && !name[0])
if (!name)
gap = name = "";
else if (!name[0])
name = ".";
if (option_bool(OPT_EXTRALOG))
{
if (flags & F_NOEXTRA)
my_syslog(LOG_INFO, "%u %s %s %s %s%s", daemon->log_display_id, source, name, verb, dest, extra);
my_syslog(LOG_INFO, "%u %s %s%s%s %s%s", daemon->log_display_id, source, name, gap, verb, dest, extra);
else
{
int port = prettyprint_addr(daemon->log_source_addr, daemon->addrbuff2);
my_syslog(LOG_INFO, "%u %s/%u %s %s %s %s%s", daemon->log_display_id, daemon->addrbuff2, port, source, name, verb, dest, extra);
my_syslog(LOG_INFO, "%u %s/%u %s %s%s%s %s%s", daemon->log_display_id, daemon->addrbuff2, port, source, name, gap, verb, dest, extra);
}
}
else
my_syslog(LOG_INFO, "%s %s %s %s%s", source, name, verb, dest, extra);
my_syslog(LOG_INFO, "%s %s%s%s %s%s", source, name, gap, verb, dest, extra);
}