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Merge 9967f64430 into 73da8a35a3

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huaraz 2024-07-18 08:14:50 +08:00 committed by GitHub
commit dd4018feb3
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10
configure.ac
View File

@ -101,6 +101,16 @@ if test x"$transparent_enabled" = x"yes"; then
AC_DEFINE(TRANSPARENT_PROXY)
fi
dnl Include support for reverse dns to match IP network/mask ?
AH_TEMPLATE([FDNS_ENABLE],
[Include support for forward dns to match IP network/mask. This is best used with nscd enabled to minimise DNS resolution delays])
TP_ARG_ENABLE(fdns,
[Enable support for forward dns to match IP network/mask (default is NO)],
no)
if test x"$fdns__enabled" = x"yes"; then
AC_DEFINE(FDNS_ENABLE)
fi
dnl Let user decide whether he wants support for manpages
dnl Which require either pod2man or a tarball release
AH_TEMPLATE([MANPAGE_SUPPORT],

1
docs/man5/tinyproxy.conf.txt.in
View File

@ -204,6 +204,7 @@ Note that the upstream directive can also be used to null-route
a specific target domain/host, e.g.:
`upstream http 0.0.0.0:0 ".adserver.com"`
With FDNS enabled the site's IP address will also be matched against the <IP/bits> or <IP/mask> values in addition to the name or domain match
=item B<MaxClients>
Tinyproxy creates one thread for each connected client.

42
src/hostspec.c
View File

@ -2,6 +2,9 @@
#include "hostspec.h"
#include "heap.h"
#include "network.h"
#ifdef FDNS_ENABLE
#include "log.h"
#endif
static int dotted_mask(char *bitmask_string, unsigned char array[])
{
@ -159,6 +162,42 @@ static int numeric_match(const uint8_t addr[], const struct hostspec *h)
return 1;
}
#ifdef FDNS_ENABLE
static int dns_numeric_match(const char *ip, const struct hostspec *h)
{
int ret;
struct addrinfo *res, *ressave;
uint8_t numeric_addr[IPV6_LEN];
char ipbuf[512];
errno = 0;
ret =getaddrinfo (ip, NULL, NULL, &res);
ressave = res;
if (ret != 0) {
if (ret == EAI_SYSTEM)
log_message (LOG_ERR, "Could not retrieve address info for %s : %s",ip,strerror(errno));
else
log_message (LOG_ERR, "Could not retrieve address info for %s : %s",ip,gai_strerror(errno));
} else {
do {
/* return if IP matches */
get_ip_string (res->ai_addr, ipbuf, sizeof (ipbuf));
full_inet_pton (ipbuf, &numeric_addr);
if (numeric_match (numeric_addr, h)) {
break;
}
} while ((res = res->ai_next) != NULL);
}
freeaddrinfo (ressave);
return numeric_match (numeric_addr, h);
}
#endif
/* check whether ip matches hostspec.
return 1 on match, 0 on non-match */
int hostspec_match(const char *ip, const struct hostspec *h) {
@ -171,6 +210,9 @@ int hostspec_match(const char *ip, const struct hostspec *h) {
if(is_numeric_addr) return 0;
return string_match (ip, h->address.string);
case HST_NUMERIC:
#ifdef FDNS_ENABLE
if(!is_numeric_addr) return dns_numeric_match(ip, h);
#endif
return numeric_match (numeric_addr, h);
case HST_NONE:
return 0;