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all core functionality *works*

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This commit is contained in:
Conor Patrick
2018-07-11 21:55:20 -04:00
parent 156dc3163a
commit eaa7e15499
15 changed files with 850 additions and 63 deletions
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2
pc/app.h
View File

@@ -10,6 +10,8 @@
#define USING_DEV_BOARD
#define USING_PC
#define BRIDGE_TO_WALLET
void printing_init();

192
pc/device.c
View File

@@ -15,6 +15,7 @@
#include "log.h"
void authenticator_initialize();
int udp_server()
{
@@ -135,9 +136,13 @@ void usbhid_close()
udp_close(serverfd);
}
void device_init()
{
usbhid_init();
authenticator_initialize();
}
@@ -206,6 +211,193 @@ int ctap_generate_rng(uint8_t * dst, size_t num)
}
const char * state_file = "authenticator_state.bin";
const char * backup_file = "authenticator_state2.bin";
void authenticator_read_state(AuthenticatorState * state)
{
FILE * f;
int ret;
f = fopen(state_file, "rb");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fread(state, 1, sizeof(AuthenticatorState), f);
fclose(f);
if(ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
}
void authenticator_read_backup_state(AuthenticatorState * state )
{
FILE * f;
int ret;
f = fopen(backup_file, "rb");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fread(state, 1, sizeof(AuthenticatorState), f);
fclose(f);
if(ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
}
void authenticator_write_state(AuthenticatorState * state, int backup)
{
FILE * f;
int ret;
if (! backup)
{
f = fopen(state_file, "wb+");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fwrite(state, 1, sizeof(AuthenticatorState), f);
fclose(f);
if (ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
}
else
{
f = fopen(backup_file, "wb+");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fwrite(state, 1, sizeof(AuthenticatorState), f);
fclose(f);
if (ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
}
}
// Return 1 yes backup is init'd, else 0
int authenticator_is_backup_initialized()
{
uint8_t header[16];
AuthenticatorState * state = (AuthenticatorState*) header;
FILE * f;
int ret;
uint8_t * mem;
printf("state file exists\n");
f = fopen(backup_file, "rb");
if (f== NULL)
{
printf("Warning, backup file doesn't exist\n");
return 0;
}
ret = fread(header, 1, sizeof(header), f);
fclose(f);
if(ret != sizeof(header))
{
perror("fwrite");
exit(1);
}
return state->is_initialized == INITIALIZED_MARKER;
}
// Return 1 yes backup is init'd, else 0
int authenticator_is_initialized()
{
}
void authenticator_initialize()
{
uint8_t header[16];
FILE * f;
int ret;
uint8_t * mem;
if (access(state_file, F_OK) != -1)
{
printf("state file exists\n");
f = fopen(state_file, "rb");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fread(header, 1, sizeof(header), f);
fclose(f);
if(ret != sizeof(header))
{
perror("fwrite");
exit(1);
}
}
else
{
printf("state file does not exist, creating it\n");
f = fopen(state_file, "wb+");
if (f== NULL)
{
perror("fopen");
exit(1);
}
mem = malloc(sizeof(AuthenticatorState));
memset(mem,0xff,sizeof(AuthenticatorState));
ret = fwrite(mem, 1, sizeof(AuthenticatorState), f);
free(mem);
fclose(f);
if (ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
f = fopen(backup_file, "wb+");
if (f== NULL)
{
perror("fopen");
exit(1);
}
mem = malloc(sizeof(AuthenticatorState));
memset(mem,0xff,sizeof(AuthenticatorState));
ret = fwrite(mem, 1, sizeof(AuthenticatorState), f);
free(mem);
fclose(f);
if (ret != sizeof(AuthenticatorState))
{
perror("fwrite");
exit(1);
}
}
}