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Add SOCU_GetIPInfo

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This commit is contained in:
Michael Theall 2016-01-21 19:21:43 -06:00
parent de0a39089c
commit 5af3dd73de
2 changed files with 68 additions and 0 deletions
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7
libctru/include/3ds/services/soc.h
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@ -5,6 +5,7 @@
* After initializing this service you will be able to use system calls from netdb.h, sys/socket.h etc.
*/
#pragma once
#include <netinet/in.h>
/**
* @brief Initializes the SOC service.
@ -33,3 +34,9 @@ int gethostname(char *name, size_t namelen);
int SOCU_ShutdownSockets();
int SOCU_CloseSockets();
/**
* @brief Gets the system's IP address, netmask, and subnet broadcast
* @return error
*/
int SOCU_GetIPInfo(struct in_addr *ip, struct in_addr *netmask, struct in_addr *broadcast);

61
libctru/source/services/soc/soc_getipinfo.c Normal file
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@ -0,0 +1,61 @@
#include "soc_common.h"
#include <3ds/ipc.h>
#include <3ds/result.h>
typedef struct
{
struct in_addr ip;
struct in_addr netmask;
struct in_addr broadcast;
} SOCU_IPInfo_t;
int SOCU_GetIPInfo(struct in_addr *ip, struct in_addr *netmask, struct in_addr *broadcast)
{
int i, ret;
u32 *cmdbuf = getThreadCommandBuffer();
u32 *staticbufs = getThreadStaticBuffers();
u32 saved_threadstorage[2];
SOCU_IPInfo_t info;
cmdbuf[0] = IPC_MakeHeader(0x1A,3,0); //0x1A00C0
cmdbuf[1] = 0xFFFE;
cmdbuf[2] = 0x4003;
cmdbuf[3] = sizeof(info);
// Save the thread storage values
for(i = 0 ; i < 2 ; ++i)
saved_threadstorage[i] = staticbufs[i];
staticbufs[0] = IPC_Desc_StaticBuffer(sizeof(info), 0);
staticbufs[1] = (u32)&info;
ret = svcSendSyncRequest(SOCU_handle);
// Restore the thread storage values
for(i = 0 ; i < 2 ; ++i)
staticbufs[i] = saved_threadstorage[i];
if(R_FAILED(ret)) {
errno = SYNC_ERROR;
return ret;
}
ret = cmdbuf[1];
if(R_FAILED(ret)) {
errno = SYNC_ERROR;
return ret;
}
if(cmdbuf[2] != 0)
{
return cmdbuf[2];
}
if(ip != NULL)
*ip = info.ip;
if(netmask != NULL)
*netmask = info.netmask;
if(broadcast != NULL)
*broadcast = info.broadcast;
return 0;
}