743 lines
17 KiB
C
743 lines
17 KiB
C
/*
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* This file is part of Luma3DS.
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* Copyright (C) 2016-2020 Aurora Wright, TuxSH
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*
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* SPDX-License-Identifier: (MIT OR GPL-2.0-or-later)
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*/
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#include "minisoc.h"
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#include <sys/socket.h>
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#include <3ds.h>
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#include <string.h>
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#include "utils.h"
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s32 miniSocRefCount = 0;
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static u32 socContextAddr = 0x08000000;
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static u32 socContextSize = 0x60000;
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static Handle miniSocHandle;
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static Handle miniSocMemHandle;
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bool miniSocEnabled = false;
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s32 _net_convert_error(s32 sock_retval);
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// To prevent ndm:u from disconnecting us
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static Result srvExtAddToNdmuWorkaroundCount(s32 count)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x1000,1,0);
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cmdbuf[1] = (u32)count;
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ret = svcSendSyncRequest(*srvGetSessionHandle());
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if(ret != 0)
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return ret;
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return cmdbuf[1];
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}
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static Result SOCU_Initialize(Handle memhandle, u32 memsize)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x1,1,4); // 0x10044
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cmdbuf[1] = memsize;
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cmdbuf[2] = IPC_Desc_CurProcessId();
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cmdbuf[4] = IPC_Desc_SharedHandles(1);
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cmdbuf[5] = memhandle;
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0)
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return ret;
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return cmdbuf[1];
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}
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static Result SOCU_Shutdown(void)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x19,0,0); // 0x190000
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0)
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return ret;
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return cmdbuf[1];
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}
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Result miniSocInit(void)
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{
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if(AtomicPostIncrement(&miniSocRefCount))
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return 0;
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u32 tmp = 0;
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Result ret = 0;
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bool isSocURegistered;
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ret = srvIsServiceRegistered(&isSocURegistered, "soc:U");
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if(ret != 0) goto cleanup;
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if(!isSocURegistered)
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{
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ret = -1;
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goto cleanup;
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}
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ret = srvGetServiceHandle(&miniSocHandle, "soc:U");
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if(ret != 0) goto cleanup;
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ret = svcControlMemoryEx(&tmp, socContextAddr, 0, socContextSize, MEMOP_ALLOC, MEMREGION_SYSTEM | MEMPERM_READ | MEMPERM_WRITE, true);
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if(ret != 0) goto cleanup;
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socContextAddr = tmp;
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ret = svcCreateMemoryBlock(&miniSocMemHandle, (u32)socContextAddr, socContextSize, 0, 3);
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if(ret != 0) goto cleanup;
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ret = SOCU_Initialize(miniSocMemHandle, socContextSize);
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if(ret != 0) goto cleanup;
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svcKernelSetState(0x10000, 0x10);
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miniSocEnabled = true;
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srvExtAddToNdmuWorkaroundCount(1);
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return 0;
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cleanup:
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AtomicDecrement(&miniSocRefCount);
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if(miniSocMemHandle != 0)
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{
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svcCloseHandle(miniSocMemHandle);
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miniSocMemHandle = 0;
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}
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if(miniSocHandle != 0)
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{
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SOCU_Shutdown();
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svcCloseHandle(miniSocHandle);
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miniSocHandle = 0;
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}
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if(tmp != 0)
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svcControlMemory(&tmp, socContextAddr, socContextAddr, socContextSize, MEMOP_FREE, MEMPERM_DONTCARE);
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return ret;
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}
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Result miniSocExitDirect(void)
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{
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//if (miniSocRefCount != 0) __builtin_trap();
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Result ret = 0;
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u32 tmp;
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svcCloseHandle(miniSocMemHandle);
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miniSocMemHandle = 0;
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ret = SOCU_Shutdown();
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svcCloseHandle(miniSocHandle);
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miniSocHandle = 0;
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svcControlMemory(&tmp, socContextAddr, socContextAddr, socContextSize, MEMOP_FREE, MEMPERM_DONTCARE);
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if(ret == 0)
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{
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miniSocEnabled = false;
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srvExtAddToNdmuWorkaroundCount(-1);
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svcKernelSetState(0x10000, 0x10);
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}
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return ret;
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}
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Result miniSocExit(void)
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{
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if(!miniSocEnabled || AtomicDecrement(&miniSocRefCount))
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return 0;
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return miniSocExitDirect();
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}
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int socSocket(int domain, int type, int protocol)
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{
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int ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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// The protocol on the 3DS *must* be 0 to work
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// To that end, when appropriate, we will make the change for the user
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if (domain == AF_INET
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&& type == SOCK_STREAM
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&& protocol == IPPROTO_TCP) {
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protocol = 0; // TCP is the only option, so 0 will work as expected
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}
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if (domain == AF_INET
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&& type == SOCK_DGRAM
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&& protocol == IPPROTO_UDP) {
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protocol = 0; // UDP is the only option, so 0 will work as expected
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}
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cmdbuf[0] = IPC_MakeHeader(0x2,3,2); // 0x200C2
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cmdbuf[1] = domain;
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cmdbuf[2] = type;
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cmdbuf[3] = protocol;
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cmdbuf[4] = IPC_Desc_CurProcessId();
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0)
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{
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//errno = SYNC_ERROR;
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return R_FAILED(ret) ? ret : -1;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0) ret = cmdbuf[2];
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if(ret < 0)
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{
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//if(cmdbuf[1] == 0)errno = _net_convert_error(ret);
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//if(cmdbuf[1] != 0)errno = SYNC_ERROR;
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return -1;
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}
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else
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return cmdbuf[2];
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}
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int socBind(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
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{
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Result ret = 0;
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socklen_t tmp_addrlen = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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u8 tmpaddr[0x1c];
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memset(tmpaddr, 0, 0x1c);
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if(addr->sa_family == AF_INET)
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tmp_addrlen = 8;
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else
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tmp_addrlen = 0x1c;
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if(addrlen < tmp_addrlen)
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{
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//errno = EINVAL;
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return -1;
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}
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tmpaddr[0] = tmp_addrlen;
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tmpaddr[1] = addr->sa_family;
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memcpy(&tmpaddr[2], &addr->sa_data, tmp_addrlen-2);
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cmdbuf[0] = IPC_MakeHeader(0x5,2,4); // 0x50084
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)tmp_addrlen;
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cmdbuf[3] = IPC_Desc_CurProcessId();
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cmdbuf[5] = IPC_Desc_StaticBuffer(tmp_addrlen,0);
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cmdbuf[6] = (u32)tmpaddr;
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0) {
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//errno = SYNC_ERROR;
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return ret;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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if(ret < 0) {
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//errno = -ret;
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return -1;
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}
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return ret;
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}
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int socListen(int sockfd, int max_connections)
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{
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Result ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x3,2,2); // 0x30082
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)max_connections;
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cmdbuf[3] = IPC_Desc_CurProcessId();
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0)
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{
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//errno = SYNC_ERROR;
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return ret;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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if(ret < 0) {
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//errno = -ret;
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return -1;
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}
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return 0;
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}
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int socAccept(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
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{
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Result ret = 0;
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int tmp_addrlen = 0x1c;
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u32 *cmdbuf = getThreadCommandBuffer();
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u8 tmpaddr[0x1c];
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u32 saved_threadstorage[2];
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memset(tmpaddr, 0, 0x1c);
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cmdbuf[0] = IPC_MakeHeader(0x4,2,2); // 0x40082
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)tmp_addrlen;
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cmdbuf[3] = IPC_Desc_CurProcessId();
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u32 *staticbufs = getThreadStaticBuffers();
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saved_threadstorage[0] = staticbufs[0];
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saved_threadstorage[1] = staticbufs[1];
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staticbufs[0] = IPC_Desc_StaticBuffer(tmp_addrlen,0);
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staticbufs[1] = (u32)tmpaddr;
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ret = svcSendSyncRequest(miniSocHandle);
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staticbufs[0] = saved_threadstorage[0];
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staticbufs[1] = saved_threadstorage[1];
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if(ret != 0)
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return ret;
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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// if(ret < 0)
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//errno = -ret;
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if(ret >= 0 && addr != NULL)
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{
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addr->sa_family = tmpaddr[1];
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if(*addrlen > tmpaddr[0])
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*addrlen = tmpaddr[0];
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memcpy(addr->sa_data, &tmpaddr[2], *addrlen - 2);
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}
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if(ret < 0)
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return -1;
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return ret;
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}
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int socConnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
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{
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int ret = 0;
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socklen_t tmp_addrlen = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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u8 tmpaddr[0x1c];
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memset(tmpaddr, 0, 0x1c);
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if(addr->sa_family == AF_INET)
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tmp_addrlen = 8;
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else
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tmp_addrlen = 0x1c;
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if(addrlen < tmp_addrlen)
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return -1;
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tmpaddr[0] = tmp_addrlen;
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tmpaddr[1] = addr->sa_family;
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memcpy(&tmpaddr[2], &addr->sa_data, tmp_addrlen-2);
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cmdbuf[0] = IPC_MakeHeader(0x6,2,4); // 0x60084
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)addrlen;
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cmdbuf[3] = IPC_Desc_CurProcessId();
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cmdbuf[5] = IPC_Desc_StaticBuffer(tmp_addrlen,0);
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cmdbuf[6] = (u32)tmpaddr;
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0) return -1;
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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if(ret < 0)
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return -1;
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return 0;
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}
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int socPoll(struct pollfd *fds, nfds_t nfds, int timeout)
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{
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int ret = 0;
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nfds_t i;
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u32 size = sizeof(struct pollfd)*nfds;
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u32 *cmdbuf = getThreadCommandBuffer();
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u32 saved_threadstorage[2];
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if(nfds == 0) {
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return -1;
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}
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for(i = 0; i < nfds; ++i) {
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fds[i].revents = 0;
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}
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cmdbuf[0] = IPC_MakeHeader(0x14,2,4); // 0x140084
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cmdbuf[1] = (u32)nfds;
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cmdbuf[2] = (u32)timeout;
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cmdbuf[3] = IPC_Desc_CurProcessId();
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cmdbuf[5] = IPC_Desc_StaticBuffer(size,10);
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cmdbuf[6] = (u32)fds;
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u32 * staticbufs = getThreadStaticBuffers();
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saved_threadstorage[0] = staticbufs[0];
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saved_threadstorage[1] = staticbufs[1];
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staticbufs[0] = IPC_Desc_StaticBuffer(size,0);
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staticbufs[1] = (u32)fds;
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ret = svcSendSyncRequest(miniSocHandle);
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staticbufs[0] = saved_threadstorage[0];
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staticbufs[1] = saved_threadstorage[1];
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if(ret != 0) {
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return R_FAILED(ret) ? ret : -1;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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return ret;
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}
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int socClose(int sockfd)
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{
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int ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0xB,1,2); // 0xB0042
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = IPC_Desc_CurProcessId();
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0) {
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//errno = SYNC_ERROR;
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return ret;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret =_net_convert_error(cmdbuf[2]);
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if(ret < 0) {
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//errno = -ret;
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return -1;
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}
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return 0;
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}
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int socSetsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen)
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{
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int ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x12,4,4); // 0x120104
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)level;
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cmdbuf[3] = (u32)optname;
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cmdbuf[4] = (u32)optlen;
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cmdbuf[5] = IPC_Desc_CurProcessId();
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cmdbuf[7] = IPC_Desc_StaticBuffer(optlen,9);
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cmdbuf[8] = (u32)optval;
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0) {
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return ret;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
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if(ret < 0) {
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//errno = -ret;
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return -1;
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}
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return ret;
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}
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long socGethostid(void)
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{
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int ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x16,0,0); // 0x160000
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ret = svcSendSyncRequest(miniSocHandle);
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if(ret != 0) {
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//errno = SYNC_ERROR;
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return -1;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = cmdbuf[2];
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return ret;
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}
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static ssize_t _socuipc_cmd7(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen)
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{
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int ret = 0;
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u32 *cmdbuf = getThreadCommandBuffer();
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u32 tmp_addrlen = 0;
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u8 tmpaddr[0x1c];
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u32 saved_threadstorage[2];
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memset(tmpaddr, 0, 0x1c);
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if(src_addr)
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tmp_addrlen = 0x1c;
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cmdbuf[0] = IPC_MakeHeader(0x7,4,4); // 0x70104
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = (u32)len;
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cmdbuf[3] = (u32)flags;
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cmdbuf[4] = (u32)tmp_addrlen;
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cmdbuf[5] = IPC_Desc_CurProcessId();
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cmdbuf[7] = IPC_Desc_Buffer(len,IPC_BUFFER_W);
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cmdbuf[8] = (u32)buf;
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u32 * staticbufs = getThreadStaticBuffers();
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saved_threadstorage[0] = staticbufs[0];
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saved_threadstorage[1] = staticbufs[1];
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staticbufs[0] = IPC_Desc_StaticBuffer(tmp_addrlen,0);
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staticbufs[1] = (u32)tmpaddr;
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ret = svcSendSyncRequest(miniSocHandle);
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staticbufs[0] = saved_threadstorage[0];
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staticbufs[1] = saved_threadstorage[1];
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if(ret != 0) {
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//errno = SYNC_ERROR;
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return -1;
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}
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ret = (int)cmdbuf[1];
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if(ret == 0)
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ret = _net_convert_error(cmdbuf[2]);
|
|
|
|
if(ret < 0) {
|
|
//errno = -ret;
|
|
return -1;
|
|
}
|
|
|
|
if(src_addr != NULL) {
|
|
src_addr->sa_family = tmpaddr[1];
|
|
if(*addrlen > tmpaddr[0])
|
|
*addrlen = tmpaddr[0];
|
|
memcpy(src_addr->sa_data, &tmpaddr[2], *addrlen - 2);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t _socuipc_cmd8(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen)
|
|
{
|
|
int ret = 0;
|
|
u32 *cmdbuf = getThreadCommandBuffer();
|
|
u32 tmp_addrlen = 0;
|
|
u8 tmpaddr[0x1c];
|
|
u32 saved_threadstorage[4];
|
|
|
|
if(src_addr)
|
|
tmp_addrlen = 0x1c;
|
|
|
|
memset(tmpaddr, 0, 0x1c);
|
|
|
|
cmdbuf[0] = 0x00080102;
|
|
cmdbuf[1] = (u32)sockfd;
|
|
cmdbuf[2] = (u32)len;
|
|
cmdbuf[3] = (u32)flags;
|
|
cmdbuf[4] = (u32)tmp_addrlen;
|
|
cmdbuf[5] = 0x20;
|
|
|
|
saved_threadstorage[0] = cmdbuf[0x100>>2];
|
|
saved_threadstorage[1] = cmdbuf[0x104>>2];
|
|
saved_threadstorage[2] = cmdbuf[0x108>>2];
|
|
saved_threadstorage[3] = cmdbuf[0x10c>>2];
|
|
|
|
cmdbuf[0x100>>2] = (((u32)len)<<14) | 2;
|
|
cmdbuf[0x104>>2] = (u32)buf;
|
|
cmdbuf[0x108>>2] = (tmp_addrlen<<14) | 2;
|
|
cmdbuf[0x10c>>2] = (u32)tmpaddr;
|
|
|
|
ret = svcSendSyncRequest(miniSocHandle);
|
|
if(ret != 0) {
|
|
//errno = SYNC_ERROR;
|
|
return ret;
|
|
}
|
|
|
|
cmdbuf[0x100>>2] = saved_threadstorage[0];
|
|
cmdbuf[0x104>>2] = saved_threadstorage[1];
|
|
cmdbuf[0x108>>2] = saved_threadstorage[2];
|
|
cmdbuf[0x10c>>2] = saved_threadstorage[3];
|
|
|
|
ret = (int)cmdbuf[1];
|
|
if(ret == 0)
|
|
ret = _net_convert_error(cmdbuf[2]);
|
|
|
|
if(ret < 0) {
|
|
//errno = -ret;
|
|
return -1;
|
|
}
|
|
|
|
if(src_addr != NULL) {
|
|
src_addr->sa_family = tmpaddr[1];
|
|
if(*addrlen > tmpaddr[0])
|
|
*addrlen = tmpaddr[0];
|
|
memcpy(src_addr->sa_data, &tmpaddr[2], *addrlen - 2);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t _socuipc_cmd9(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
|
|
{
|
|
int ret = 0;
|
|
u32 *cmdbuf = getThreadCommandBuffer();
|
|
u32 tmp_addrlen = 0;
|
|
u8 tmpaddr[0x1c];
|
|
|
|
memset(tmpaddr, 0, 0x1c);
|
|
|
|
if(dest_addr) {
|
|
if(dest_addr->sa_family == AF_INET)
|
|
tmp_addrlen = 8;
|
|
else
|
|
tmp_addrlen = 0x1c;
|
|
|
|
if(addrlen < tmp_addrlen) {
|
|
//errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
tmpaddr[0] = tmp_addrlen;
|
|
tmpaddr[1] = dest_addr->sa_family;
|
|
memcpy(&tmpaddr[2], &dest_addr->sa_data, tmp_addrlen-2);
|
|
}
|
|
|
|
cmdbuf[0] = IPC_MakeHeader(0x9,4,6); // 0x90106
|
|
cmdbuf[1] = (u32)sockfd;
|
|
cmdbuf[2] = (u32)len;
|
|
cmdbuf[3] = (u32)flags;
|
|
cmdbuf[4] = (u32)tmp_addrlen;
|
|
cmdbuf[5] = IPC_Desc_CurProcessId();
|
|
cmdbuf[7] = IPC_Desc_StaticBuffer(tmp_addrlen,1);
|
|
cmdbuf[8] = (u32)tmpaddr;
|
|
cmdbuf[9] = IPC_Desc_Buffer(len,IPC_BUFFER_R);
|
|
cmdbuf[10] = (u32)buf;
|
|
|
|
ret = svcSendSyncRequest(miniSocHandle);
|
|
if(ret != 0) {
|
|
//errno = SYNC_ERROR;
|
|
return ret;
|
|
}
|
|
|
|
ret = (int)cmdbuf[1];
|
|
if(ret == 0)
|
|
ret = _net_convert_error(cmdbuf[2]);
|
|
|
|
if(ret < 0) {
|
|
//errno = -ret;
|
|
return -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t _socuipc_cmda(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
|
|
{
|
|
int ret = 0;
|
|
u32 *cmdbuf = getThreadCommandBuffer();
|
|
u32 tmp_addrlen = 0;
|
|
u8 tmpaddr[0x1c];
|
|
|
|
memset(tmpaddr, 0, 0x1c);
|
|
|
|
if(dest_addr) {
|
|
if(dest_addr->sa_family == AF_INET)
|
|
tmp_addrlen = 8;
|
|
else
|
|
tmp_addrlen = 0x1c;
|
|
|
|
if(addrlen < tmp_addrlen) {
|
|
//errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
tmpaddr[0] = tmp_addrlen;
|
|
tmpaddr[1] = dest_addr->sa_family;
|
|
memcpy(&tmpaddr[2], &dest_addr->sa_data, tmp_addrlen-2);
|
|
}
|
|
|
|
cmdbuf[0] = IPC_MakeHeader(0xA,4,6); // 0xA0106
|
|
cmdbuf[1] = (u32)sockfd;
|
|
cmdbuf[2] = (u32)len;
|
|
cmdbuf[3] = (u32)flags;
|
|
cmdbuf[4] = (u32)tmp_addrlen;
|
|
cmdbuf[5] = IPC_Desc_CurProcessId();
|
|
cmdbuf[7] = IPC_Desc_StaticBuffer(len,2);
|
|
cmdbuf[8] = (u32)buf;
|
|
cmdbuf[9] = IPC_Desc_StaticBuffer(tmp_addrlen,1);
|
|
cmdbuf[10] = (u32)tmpaddr;
|
|
|
|
ret = svcSendSyncRequest(miniSocHandle);
|
|
if(ret != 0) {
|
|
//errno = SYNC_ERROR;
|
|
return ret;
|
|
}
|
|
|
|
ret = (int)cmdbuf[1];
|
|
if(ret == 0)
|
|
ret = _net_convert_error(cmdbuf[2]);
|
|
|
|
if(ret < 0) {
|
|
//errno = -ret;
|
|
return -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
ssize_t socRecvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen)
|
|
{
|
|
if(len < 0x2000)
|
|
return _socuipc_cmd8(sockfd, buf, len, flags, src_addr, addrlen);
|
|
return _socuipc_cmd7(sockfd, buf, len, flags, src_addr, addrlen);
|
|
}
|
|
|
|
ssize_t socSendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
|
|
{
|
|
if(len < 0x2000)
|
|
return _socuipc_cmda(sockfd, buf, len, flags, dest_addr, addrlen);
|
|
return _socuipc_cmd9(sockfd, buf, len, flags, dest_addr, addrlen);
|
|
}
|