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Compile time option NO_ID

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Some consider it good practice to obscure software version numbers to
clients.  Compiling with -DNO_ID removes the *.bind info structure.
This includes: version, author, copyright, cachesize, cache insertions,
evictions, misses & hits, auth & servers.
This commit is contained in:
Kevin Darbyshire-Bryant
2016-09-09 20:52:08 +01:00
committed by Simon Kelley
parent c6af3a32f2
commit 7ac9ae1125
5 changed files with 19 additions and 3 deletions
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8
src/option.c
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@@ -657,7 +657,8 @@ static int atoi_check8(char *a, int *res)
return 1;
}
#endif
#ifndef NO_ID
static void add_txt(char *name, char *txt, int stat)
{
struct txt_record *r = opt_malloc(sizeof(struct txt_record));
@@ -670,13 +671,14 @@ static void add_txt(char *name, char *txt, int stat)
*(r->txt) = len;
memcpy((r->txt)+1, txt, len);
}
r->stat = stat;
r->name = opt_string_alloc(name);
r->next = daemon->txt;
daemon->txt = r;
r->class = C_CHAOS;
}
#endif
static void do_usage(void)
{
@@ -4532,6 +4534,7 @@ void read_opts(int argc, char **argv, char *compile_opts)
daemon->soa_expiry = SOA_EXPIRY;
daemon->max_port = MAX_PORT;
#ifndef NO_ID
add_txt("version.bind", "dnsmasq-" VERSION, 0 );
add_txt("authors.bind", "Simon Kelley", 0);
add_txt("copyright.bind", COPYRIGHT, 0);
@@ -4544,6 +4547,7 @@ void read_opts(int argc, char **argv, char *compile_opts)
add_txt("auth.bind", NULL, TXT_STAT_AUTH);
#endif
add_txt("servers.bind", NULL, TXT_STAT_SERVERS);
#endif
while (1)
{