/dev/net/ssl/code
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This code allows to follow the process for establishing a connection and communication over SSL (through IOS) described in /dev/net/ssl.
ssl.c
#include <gccore.h>
#include <string.h>
#include "ssl.h"
#define ISALIGNED(x) ((((u32)x)&0x1F)==0)
static char __ssl_fs[] ATTRIBUTE_ALIGN(32) = "/dev/net/ssl";
static s32 __ssl_fd = -1;
static s32 __ssl_hid = -1;
u32 ssl_init(void){
if(__ssl_hid < 0 ) {
__ssl_hid = iosCreateHeap(SSL_HEAP_SIZE);
if(__ssl_hid < 0){
return __ssl_hid;
}
}
return 0;
}
u32 ssl_open(void){
s32 ret;
if (__ssl_fd < 0) {
ret = IOS_Open(__ssl_fs,0);
if(ret<0){
return ret;
}
__ssl_fd = ret;
}
return 0;
}
u32 ssl_close(void){
s32 ret;
if(__ssl_fd < 0){
return 0;
}
ret = IOS_Close(__ssl_fd);
__ssl_fd = -1;
if(ret<0){
return ret;
}
return 0;
}
s32 ssl_new(u8 * CN, u32 ssl_verify_options){
s32 ret;
s32 aContext[8] ATTRIBUTE_ALIGN(32);
u32 aVerify_options[8] ATTRIBUTE_ALIGN(32);
ret = ssl_open();
if(ret){
return ret;
}
aVerify_options[0] = ssl_verify_options;
if(ISALIGNED(CN)){ //Avoid alignment if the input is aligned
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_NEW, "d:dd", aContext, 0x20, aVerify_options, 0x20, CN, 0x100);
}else{
u8 *aCN = NULL;
aCN = iosAlloc(__ssl_hid, 0x100);
if (!aCN) {
return IPC_ENOMEM;
}
memcpy(aCN, CN, 0x100);
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_NEW, "d:dd", aContext, 0x20, aVerify_options, 0x20, aCN, 0x100);
if(aCN){
iosFree(__ssl_hid, aCN);
}
}
ssl_close();
return (ret ? ret : aContext[0]);
}
s32 ssl_setbuiltinclientcert(s32 ssl_context, s32 index){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aIndex[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
aSsl_context[0] = ssl_context;
aIndex[0] = index;
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_SETBUILTINCLIENTCERT, "d:dd", aResponse, 32, aSsl_context, 32, aIndex, 32);
ssl_close();
return (ret ? ret : aResponse[0]);
}
s32 ssl_setrootca(s32 ssl_context, const void *root, u32 length){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
aSsl_context[0] = ssl_context;
if(ISALIGNED(root)){ //Avoid alignment if the input is aligned
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_SETROOTCA, "d:dd", aResponse, 0x20, aSsl_context, 0x20, root, length);
}else{
u8 *aRoot = NULL;
aRoot = iosAlloc(__ssl_hid, length);
if (!aRoot) {
return IPC_ENOMEM;
}
memcpy(aRoot, root, length);
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_SETROOTCA, "d:dd", aResponse, 0x20, aSsl_context, 0x20, aRoot, length);
if(aRoot){
iosFree(__ssl_hid, aRoot);
}
}
ssl_close();
return (ret ? ret : aResponse[0]);
}
s32 ssl_connect(s32 ssl_context, s32 socket){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aSocket[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
aSsl_context[0] = ssl_context;
aSocket[0] = socket;
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_CONNECT, "d:dd", aResponse, 0x20, aSsl_context, 0x20, aSocket, 0x20);
ssl_close();
return (ret ? ret : aResponse[0]);
}
s32 ssl_handshake( s32 ssl_context ){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
aSsl_context[0] = ssl_context;
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_HANDSHAKE, "d:d", aResponse, 0x20, aSsl_context, 0x20);
ssl_close();
return (ret ? ret : aResponse[0]);
}
s32 ssl_read(s32 ssl_context, void* buffer, u32 length){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
if(!buffer){
return IPC_EINVAL;
}
u8 *aBuffer = NULL;
aBuffer = iosAlloc(__ssl_hid, length);
if (!aBuffer) {
return IPC_ENOMEM;
}
aSsl_context[0] = ssl_context;
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_READ, "dd:d", aResponse, 0x20, aBuffer, length, aSsl_context, 0x20);
ssl_close();
if(ret == IPC_OK){
memcpy(buffer, aBuffer, aResponse[0]);
}
if(aBuffer){
iosFree(__ssl_hid, aBuffer);
}
return (ret ? ret : aResponse[0]);
}
s32 ssl_write(s32 ssl_context, const void *buffer, u32 length){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
if(!buffer){
return IPC_EINVAL;
}
aSsl_context[0] = ssl_context;
if(ISALIGNED(buffer)){ //Avoid alignment if the input is aligned
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_WRITE, "d:dd", aResponse, 0x20, aSsl_context, 0x20, buffer, length);
}else{
u8 *aBuffer = NULL;
aBuffer = iosAlloc(__ssl_hid, length);
if (!aBuffer) {
return IPC_ENOMEM;
}
memcpy(aBuffer, buffer, length);
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_WRITE, "d:dd", aResponse, 0x20, aSsl_context, 0x20, aBuffer, length);
}
ssl_close();
return (ret ? ret : aResponse[0]);
}
s32 ssl_shutdown( s32 ssl_context){
s32 aSsl_context[8] ATTRIBUTE_ALIGN(32);
s32 aResponse[8] ATTRIBUTE_ALIGN(32);
s32 ret;
ret = ssl_open();
if(ret){
return ret;
}
aSsl_context[0] = ssl_context;
ret = IOS_IoctlvFormat(__ssl_hid, __ssl_fd, IOCTLV_SSL_SHUTDOWN, "d:d", aResponse, 0x20, aSsl_context, 0x20);
ssl_close();
return (ret ? ret : aResponse[0]);
}ssl.h
#define IOCTLV_SSL_NEW 1
#define IOCTLV_SSL_CONNECT 2
#define IOCTLV_SSL_HANDSHAKE 3
#define IOCTLV_SSL_READ 4
#define IOCTLV_SSL_WRITE 5
#define IOCTLV_SSL_SHUTDOWN 6
#define IOCTLV_SSL_SETROOTCA 10
#define IOCTLV_SSL_SETBUILTINCLIENTCERT 14
#define SSL_HEAP_SIZE 0xB000
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
u32 ssl_init(void);
u32 ssl_open(void);
u32 ssl_close(void);
s32 ssl_new(u8 * CN, u32 verify_options);
s32 ssl_setbuiltinclientcert(s32 ssl_context, s32 index);
s32 ssl_setrootca(s32 ssl_context, const void *root, u32 length);
s32 ssl_connect(s32 ssl_context, s32 socket);
s32 ssl_handshake( s32 ssl_context );
s32 ssl_read(s32 ssl_context, void* buffer, u32 length);
s32 ssl_write(s32 ssl_context, const void * buffer, u32 length);
s32 ssl_shutdown( s32 ssl_context);
#ifdef __cplusplus
}
#endif /* __cplusplus */