libctru/libctru/source/services/soc/soc_gethostbyname.c
megazig 8e7606692d move h_errno definition to soc_common
add h_addr member to hostent structure
implement gethostbyaddr
2015-08-18 16:55:50 -05:00

71 lines
1.7 KiB
C

#include "soc_common.h"
#include <netdb.h>
#define MAX_HOSTENT_RESULTS 16
static struct hostent SOC_hostent;
static char *SOC_hostent_results[MAX_HOSTENT_RESULTS+1];
static char *SOC_hostent_alias = NULL;
struct hostent* gethostbyname(const char *name)
{
int ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 saved_threadstorage[2];
static u8 outbuf[0x1A88];
h_errno = 0;
cmdbuf[0] = 0x000D0082;
cmdbuf[1] = strlen(name)+1;
cmdbuf[2] = sizeof(outbuf);
cmdbuf[3] = ((strlen(name)+1) << 14) | 0xC02;
cmdbuf[4] = (u32)name;
saved_threadstorage[0] = cmdbuf[0x100>>2];
saved_threadstorage[1] = cmdbuf[0x104>>2];
cmdbuf[0x100>>2] = (sizeof(outbuf) << 14) | 2;
cmdbuf[0x104>>2] = (u32)outbuf;
ret = svcSendSyncRequest(SOCU_handle);
if(ret != 0) {
h_errno = NO_RECOVERY;
return NULL;
}
cmdbuf[0x100>>2] = saved_threadstorage[0];
cmdbuf[0x104>>2] = saved_threadstorage[1];
ret = (int)cmdbuf[1];
if(ret == 0)
ret = _net_convert_error(cmdbuf[2]);
if(ret < 0) {
/* TODO: set h_errno based on ret */
h_errno = HOST_NOT_FOUND;
return NULL;
}
u32 num_results, i;
memcpy(&num_results, (char*)outbuf+4, sizeof(num_results));
if(num_results > MAX_HOSTENT_RESULTS)
num_results = MAX_HOSTENT_RESULTS;
SOC_hostent.h_name = (char*)outbuf + 8;
SOC_hostent.h_aliases = &SOC_hostent_alias;
SOC_hostent.h_addrtype = AF_INET;
SOC_hostent.h_length = 4;
SOC_hostent.h_addr_list = SOC_hostent_results;
SOC_hostent_alias = NULL;
for(i = 0; i < num_results; ++i)
SOC_hostent_results[i] = (char*)outbuf + 0x1908 + i*0x10;
SOC_hostent_results[num_results] = NULL;
SOC_hostent.h_addr = SOC_hostent.h_addr_list[0];
return &SOC_hostent;
}