58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#include "soc_common.h"
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#include <errno.h>
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#include <sys/socket.h>
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#include <3ds/ipc.h>
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int getsockname(int sockfd, struct sockaddr *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 saved_threadstorage[2];
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u8 tmpaddr[0x1c];
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sockfd = soc_get_fd(sockfd);
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if(sockfd < 0) {
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errno = -sockfd;
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return -1;
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}
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cmdbuf[0] = IPC_MakeHeader(0x17,2,2); // 0x170082
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cmdbuf[1] = (u32)sockfd;
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cmdbuf[2] = 0x1c;
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cmdbuf[3] = IPC_Desc_CurProcessHandle();
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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(0x1c,0);
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staticbufs[1] = (u32)tmpaddr;
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ret = svcSendSyncRequest(SOCU_handle);
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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 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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if(*addrlen > tmpaddr[0])
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*addrlen = tmpaddr[0];
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memset(addr, 0, sizeof(struct sockaddr));
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addr->sa_family = tmpaddr[1];
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memcpy(addr->sa_data, &tmpaddr[2], *addrlen - 2);
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return ret;
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}
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