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110 lines
3.2 KiB
110 lines
3.2 KiB
commit cb046cfef1d6b954d3fc09f09a1fc3a7ffeb7593
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Author: Chen Minqiang <ptpt52@gmail.com>
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Date: Sun Jul 5 10:42:52 2020 +0800
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options: ext_ip_reserved_ignore support
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This make the port forwarding force to work even
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when the router is behind NAT
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Signed-off-by: Chen Minqiang <ptpt52@gmail.com>
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--- a/getifaddr.c
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+++ b/getifaddr.c
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@@ -25,6 +25,7 @@
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#if defined(USE_GETIFADDRS) || defined(ENABLE_IPV6) || defined(ENABLE_PCP)
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#include <ifaddrs.h>
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#endif
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+#include "upnpglobalvars.h"
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int
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getifaddr(const char * ifname, char * buf, int len,
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@@ -295,6 +296,11 @@ addr_is_reserved(struct in_addr * addr)
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uint32_t address = ntohl(addr->s_addr);
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size_t i;
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+ if(GETFLAG(EXTIPRESERVEDIGNOREMASK)) {
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+ syslog(LOG_NOTICE, "private/reserved address checking is ignore");
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+ return 0;
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+ }
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+
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for (i = 0; i < sizeof(reserved)/sizeof(reserved[0]); ++i) {
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if ((address >> reserved[i].rmask) == (reserved[i].address >> reserved[i].rmask))
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return 1;
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--- a/miniupnpd.c
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+++ b/miniupnpd.c
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@@ -1225,6 +1225,10 @@ init(int argc, char * * argv, struct run
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case UPNPEXT_IP:
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use_ext_ip_addr = ary_options[i].value;
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break;
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+ case UPNPEXT_IP_RESERVED_IGNORE:
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+ if(strcmp(ary_options[i].value, "yes") == 0)
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+ SETFLAG(EXTIPRESERVEDIGNOREMASK);
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+ break;
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case UPNPEXT_PERFORM_STUN:
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if(strcmp(ary_options[i].value, "yes") == 0)
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SETFLAG(PERFORMSTUNMASK);
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--- a/miniupnpd.conf
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+++ b/miniupnpd.conf
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@@ -9,6 +9,8 @@
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# Setting ext_ip is also useful in double NAT setup, you can declare here
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# the public IP address.
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#ext_ip=
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+#ignore even if ext_ip is reserved: default is no
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+#ext_ip_reserved_ignore=yes
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# WAN interface must have public IP address. Otherwise it is behind NAT
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# and port forwarding is impossible. In some cases WAN interface can be
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# behind unrestricted NAT 1:1 when all incoming traffic is NAT-ed and
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--- a/options.c
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+++ b/options.c
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@@ -34,6 +34,7 @@ static const struct {
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{ UPNPEXT_IFNAME6, "ext_ifname6" },
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#endif
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{ UPNPEXT_IP, "ext_ip" },
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+ { UPNPEXT_IP_RESERVED_IGNORE, "ext_ip_reserved_ignore" },
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{ UPNPEXT_PERFORM_STUN, "ext_perform_stun" },
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{ UPNPEXT_STUN_HOST, "ext_stun_host" },
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{ UPNPEXT_STUN_PORT, "ext_stun_port" },
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--- a/options.h
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+++ b/options.h
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@@ -21,6 +21,7 @@ enum upnpconfigoptions {
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UPNPEXT_IFNAME6, /* ext_ifname6 */
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#endif
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UPNPEXT_IP, /* ext_ip */
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+ UPNPEXT_IP_RESERVED_IGNORE, /* ignore if ext_ip is reserved */
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UPNPEXT_PERFORM_STUN, /* ext_perform_stun */
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UPNPEXT_STUN_HOST, /* ext_stun_host */
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UPNPEXT_STUN_PORT, /* ext_stun_port */
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--- a/testgetifaddr.c
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+++ b/testgetifaddr.c
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@@ -13,6 +13,8 @@
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#include "config.h"
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#include "getifaddr.h"
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+int runtime_flags = 0;
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+
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#if defined(__sun)
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/* solaris 10 does not define LOG_PERROR */
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#define LOG_PERROR 0
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--- a/testportinuse.c
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+++ b/testportinuse.c
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@@ -14,6 +14,8 @@
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#include "config.h"
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#include "portinuse.h"
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+int runtime_flags = 0;
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+
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int main(int argc, char * * argv)
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{
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#ifndef CHECK_PORTINUSE
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--- a/upnpglobalvars.h
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+++ b/upnpglobalvars.h
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@@ -84,6 +84,8 @@ extern int runtime_flags;
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#define PERFORMSTUNMASK 0x1000
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+#define EXTIPRESERVEDIGNOREMASK 0x2000
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+
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#define SETFLAG(mask) runtime_flags |= mask
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#define GETFLAG(mask) (runtime_flags & mask)
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#define CLEARFLAG(mask) runtime_flags &= ~mask
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