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Alexey Kryuchkov 2024-02-24 05:37:10 -07:00 committed by GitHub
commit 0a7d1e1740
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8 changed files with 48 additions and 4 deletions

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@ -30,6 +30,7 @@
<ul>
<li>Older versions of SoftEther VPN before June 2019 don't support JSON-RPC APIs.</li>
<li>If you want to completely disable the JSON-RPC on your VPN Server, set the <code>DisableJsonRpcWebApi</code> variable to <code>true</code> on the <code>vpn_server.config</code>.</li>
<li>You may also restrict access to JSON-RPC API to a specific subnet, e.g. your internal network, by setting the <code>JsonRpcWebApiAllowedSubnet</code> variable to, for example, <code>192.168.0.0/16</code>.</li>
</ul>
<h3 id="json-rpc-specification">JSON-RPC specification</h3>
<p>You must use HTTPS 1.1 <code>POST</code> method to call each of JSON-RPC APIs.<br />

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@ -25,6 +25,7 @@ https://<vpn_server_hostname>:<port>/api/
- Older versions of SoftEther VPN before June 2019 don't support JSON-RPC APIs.
- If you want to completely disable the JSON-RPC on your VPN Server, set the `DisableJsonRpcWebApi` variable to `true` on the `vpn_server.config`.
- You may also restrict access to JSON-RPC API to a specific subnet, e.g. your internal network, by setting the `JsonRpcWebApiAllowedSubnet` variable to, for example, `192.168.0.0/16`.
### JSON-RPC specification

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@ -25,6 +25,7 @@ https://<vpn_server_hostname>:<port>/api/
- Older versions of SoftEther VPN before June 2019 don't support JSON-RPC APIs.
- If you want to completely disable the JSON-RPC on your VPN Server, set the `DisableJsonRpcWebApi` variable to `true` on the `vpn_server.config`.
- You may also restrict access to JSON-RPC API to a specific subnet, e.g. your internal network, by setting the `JsonRpcWebApiAllowedSubnet` variable to, for example, `192.168.0.0/16`.
### JSON-RPC specification

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@ -5740,6 +5740,7 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
UINT num = 0, max = 19;
SERVER *server;
char *vpn_http_target = HTTP_VPN_TARGET2;
bool disableJsonRpcWebApi;
// Validate arguments
if (c == NULL)
{
@ -5750,6 +5751,15 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
s = c->FirstSock;
disableJsonRpcWebApi = server->DisableJsonRpcWebApi;
if (!disableJsonRpcWebApi && !IsZeroIP(&server->JsonRpcWebApiAllowedSubnetAddr)
&& !IsZeroIP(&server->JsonRpcWebApiAllowedSubnetMask)) {
// restrict JSON-RPC Web API to specified subnet only
if (!IsInSameNetwork(&s->RemoteIP, &server->JsonRpcWebApiAllowedSubnetAddr, &server->JsonRpcWebApiAllowedSubnetMask)) {
disableJsonRpcWebApi = true;
}
}
while (true)
{
bool not_found_error = false;
@ -5782,7 +5792,7 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
// Receive the data since it's POST
data_size = GetContentLength(h);
if (server->DisableJsonRpcWebApi == false)
if (disableJsonRpcWebApi == false)
{
if (StrCmpi(h->Target, "/api") == 0 || StrCmpi(h->Target, "/api/") == 0)
{
@ -5868,7 +5878,7 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
}
else if (StrCmpi(h->Method, "OPTIONS") == 0)
{
if (server->DisableJsonRpcWebApi == false)
if (disableJsonRpcWebApi == false)
{
if (StrCmpi(h->Target, "/api") == 0 || StrCmpi(h->Target, "/api/") == 0 || StartWith(h->Target, "/admin"))
{
@ -5939,7 +5949,7 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
BUF *b = NULL;
*error_detail_str = "HTTP_ROOT";
if (server->DisableJsonRpcWebApi == false)
if (disableJsonRpcWebApi == false)
{
b = ReadDump("|wwwroot/index.html");
}
@ -6019,7 +6029,7 @@ bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str)
if (b == false)
{
if (server->DisableJsonRpcWebApi == false)
if (disableJsonRpcWebApi == false)
{
if (StartWith(h->Target, "/api?") || StartWith(h->Target, "/api/") || StrCmpi(h->Target, "/api") == 0)
{

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@ -30,6 +30,7 @@
#include "Mayaqua/Internat.h"
#include "Mayaqua/Memory.h"
#include "Mayaqua/Microsoft.h"
#include "Mayaqua/Network.h"
#include "Mayaqua/Object.h"
#include "Mayaqua/OS.h"
#include "Mayaqua/Pack.h"
@ -6032,6 +6033,15 @@ void SiLoadServerCfg(SERVER *s, FOLDER *f)
// Disable JSON-RPC Web API
s->DisableJsonRpcWebApi = CfgGetBool(f, "DisableJsonRpcWebApi");
char tmpaddr[MAX_PATH];
if (CfgGetStr(f, "JsonRpcWebApiAllowedSubnet", tmpaddr, sizeof(tmpaddr))) {
IP _subnet, _mask;
if (ParseIpAndMask46(tmpaddr, &_subnet, &_mask)) {
s->JsonRpcWebApiAllowedSubnetAddr = _subnet;
s->JsonRpcWebApiAllowedSubnetMask = _mask;
}
}
// Bits of Diffie-Hellman parameters
c->DhParamBits = CfgGetInt(f, "DhParamBits");
if (c->DhParamBits == 0)
@ -6365,6 +6375,11 @@ void SiWriteServerCfg(FOLDER *f, SERVER *s)
// Disable JSON-RPC Web API
CfgAddBool(f, "DisableJsonRpcWebApi", s->DisableJsonRpcWebApi);
char tmpaddr[MAX_PATH];
IPAndMaskToStr(tmpaddr, sizeof(tmpaddr),
&s->JsonRpcWebApiAllowedSubnetAddr, &s->JsonRpcWebApiAllowedSubnetMask);
CfgAddStr(f, "JsonRpcWebApiAllowedSubnet", tmpaddr);
}
Unlock(c->lock);
}

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@ -276,6 +276,9 @@ struct SERVER
IP ListenIP; // Listen IP
bool StrictSyslogDatetimeFormat; // Make syslog datetime format strict RFC3164
bool DisableJsonRpcWebApi; // Disable JSON-RPC Web API
IP JsonRpcWebApiAllowedSubnetAddr; // If set, allow access to JSON-RPC Web API from
IP JsonRpcWebApiAllowedSubnetMask; // this subnet only
};

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@ -6986,6 +6986,18 @@ void IPToStr6Inner(char *str, IP *ip)
}
}
// Format IP and subnet mask as "<ip>/<masksize>"
void IPAndMaskToStr(char *str, UINT size, IP *ip, IP *subnet)
{
int iplen;
UINT masksize;
IPToStr(str, size, ip);
iplen = StrLen(str);
masksize = SubnetMaskToInt(subnet);
Format(str + iplen, size - iplen, "/%d", masksize);
}
// Convert the string to an IP address
bool StrToIP6(IP *ip, char *str)
{

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@ -1289,6 +1289,7 @@ void IPToStr6(char *str, UINT size, IP *ip);
void IP6AddrToStr(char *str, UINT size, IPV6_ADDR *addr);
void IPToStr6Array(char *str, UINT size, UCHAR *bytes);
void IPToStr6Inner(char *str, IP *ip);
void IPAndMaskToStr(char *str, UINT size, IP *ip, IP *subnet);
void IntToSubnetMask6(IP *ip, UINT i);
void IPAnd6(IP *dst, IP *a, IP *b);
void GetAllRouterMulticastAddress6(IP *ip);