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			105 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) Atmosphère-NX
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#pragma once
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#include <stratosphere/sf/sf_mitm_config.hpp>
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#if AMS_SF_MITM_SUPPORTED
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#include <switch.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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    Handle target_session;
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    u32 context;
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    SfBufferAttrs buffer_attrs;
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    SfBuffer buffers[8];
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    bool in_send_pid;
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    u32 in_num_objects;
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    const Service* in_objects[8];
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    u32 in_num_handles;
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    Handle in_handles[8];
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    u32 out_num_objects;
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    Service* out_objects;
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    SfOutHandleAttrs out_handle_attrs;
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    Handle* out_handles;
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    u64 override_pid;
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} SfMitmDispatchParams;
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NX_INLINE Result serviceMitmDispatchImpl(
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    Service* s, u32 request_id,
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    const void* in_data, u32 in_data_size,
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    void* out_data, u32 out_data_size,
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    SfMitmDispatchParams disp
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)
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{
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    // Make a copy of the service struct, so that the compiler can assume that it won't be modified by function calls.
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    Service srv = *s;
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    void* in = serviceMakeRequest(&srv, request_id, disp.context,
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        in_data_size, disp.in_send_pid,
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        disp.buffer_attrs, disp.buffers,
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        disp.in_num_objects, disp.in_objects,
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        disp.in_num_handles, disp.in_handles);
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    if (in_data_size)
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        __builtin_memcpy(in, in_data, in_data_size);
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    if (disp.in_send_pid && disp.override_pid) {
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        const u64 pid = (disp.override_pid & 0x0000FFFFFFFFFFFFul) | 0xFFFE000000000000ul;
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        __builtin_memcpy((u8 *)armGetTls() + 0xC, &pid, sizeof(pid));
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    }
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    Result rc = svcSendSyncRequest(disp.target_session == INVALID_HANDLE ? s->session : disp.target_session);
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    if (R_SUCCEEDED(rc)) {
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        void* out = NULL;
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        rc = serviceParseResponse(&srv,
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            out_data_size, &out,
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            disp.out_num_objects, disp.out_objects,
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            disp.out_handle_attrs, disp.out_handles);
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        if (R_SUCCEEDED(rc) && out_data && out_data_size)
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            __builtin_memcpy(out_data, out, out_data_size);
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    }
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    return rc;
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}
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#define serviceMitmDispatch(_s,_rid,...) \
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    serviceMitmDispatchImpl((_s),(_rid),NULL,0,NULL,0,(SfMitmDispatchParams){ __VA_ARGS__ })
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#define serviceMitmDispatchIn(_s,_rid,_in,...) \
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    serviceMitmDispatchImpl((_s),(_rid),&(_in),sizeof(_in),NULL,0,(SfMitmDispatchParams){ __VA_ARGS__ })
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#define serviceMitmDispatchOut(_s,_rid,_out,...) \
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    serviceMitmDispatchImpl((_s),(_rid),NULL,0,&(_out),sizeof(_out),(SfMitmDispatchParams){ __VA_ARGS__ })
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#define serviceMitmDispatchInOut(_s,_rid,_in,_out,...) \
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    serviceMitmDispatchImpl((_s),(_rid),&(_in),sizeof(_in),&(_out),sizeof(_out),(SfMitmDispatchParams){ __VA_ARGS__ })
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#ifdef __cplusplus
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}
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#endif
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#endif |