69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#include "soc_common.h"
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#include <netdb.h>
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#include <3ds/ipc.h>
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#include <3ds/result.h>
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int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags)
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{
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int i,tmp_addrlen;
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u32 *cmdbuf = getThreadCommandBuffer();
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u32 saved_threadstorage[4];
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u8 tmpaddr[ADDR_STORAGE_LEN]; // sockaddr size for the kernel is 0x1C (sockaddr_in6?)
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if((host == NULL || hostlen == 0) && (serv == NULL || servlen == 0))
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{
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return EAI_NONAME;
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}
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if(sa->sa_family == AF_INET)
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tmp_addrlen = 8;
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else
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tmp_addrlen = ADDR_STORAGE_LEN;
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if(salen < tmp_addrlen) {
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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] = sa->sa_family;
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memcpy(&tmpaddr[2], &sa->sa_data, tmp_addrlen-2);
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cmdbuf[0] = IPC_MakeHeader(0x10,4,2); // 0x100102
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cmdbuf[1] = sizeof(tmpaddr);
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cmdbuf[2] = hostlen;
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cmdbuf[3] = servlen;
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cmdbuf[4] = flags;
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cmdbuf[5] = IPC_Desc_StaticBuffer(sizeof(tmpaddr),8);
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cmdbuf[6] = (u32)tmpaddr;
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u32 * staticbufs = getThreadStaticBuffers();
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// Save the thread storage values
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for(i = 0 ; i < 4 ; ++i)
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saved_threadstorage[i] = staticbufs[i];
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staticbufs[0] = IPC_Desc_StaticBuffer(hostlen,0);
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staticbufs[1] = (u32)host;
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staticbufs[2] = IPC_Desc_StaticBuffer(servlen,0);
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staticbufs[3] = (u32)serv;
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Result ret = svcSendSyncRequest(SOCU_handle);
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// Restore the thread storage values
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for(i = 0 ; i < 4 ; ++i)
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staticbufs[i] = saved_threadstorage[i];
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if(R_FAILED(ret)) {
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errno = SYNC_ERROR;
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return ret;
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}
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ret = cmdbuf[1];
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if(R_FAILED(ret)) {
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errno = SYNC_ERROR;
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return ret;
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}
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return cmdbuf[2];
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}
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