int hex4(uint8_t **buffer, uint16_t *value)
{
uint8_t v;
if ((hex2(buffer, &v)) < 0) {
return -1;
}
*(value) = (v << 8);
if ((hex2(buffer, &v)) < 0) {
return -1;
}
*(value) |= v;
return 0;
}
// File Operation Example
void file_ex () {
// Degree 163 Binary Field from fips186-2
use_NIST_B_163 ();
EC_Domain_Parameters dp = NIST_B_163;
ECPrivKey privKeyA (dp, OS2IP(SHA1("A's password")));
ECPubKey pubKeyA (privKeyA);
DER derA1 (pubKeyA);
std::ofstream key_outfile ("pubKeyA.key", std::ios::binary);
if (!key_outfile) {
std::cout << "Error can't open file!\n";
return;
}
key_outfile << derA1;
key_outfile.close();
std::ifstream key_infile ("pubKeyA.key", std::ios::binary);
if (!key_infile) {
std::cout << "Error can't open file!\n";
return;
}
OCTETSTR derA2_v;
char c; OCTET o;
while (key_infile.get (c)) {
o = (unsigned char)c;
derA2_v.push_back (o);
}
std::cout << std::endl;
key_infile.close();
DER derA2 (derA2_v);
HexEncoder hex1 (derA1);
HexEncoder hex2 (derA2);
std::cout << "derA1: " << hex1 << std::endl;
std::cout << "derA2: " << hex2 << std::endl;
if (!(derA1.v == derA2.v)) {
std::cout << "Error\n";
return;
} else {
std::cout << "OK\n";
}
return;
}
int send_wol_packet(unsigned char *broadcast_addr, unsigned char *mac_addr)
{
int sd;
int optval;
char unsigned buf[BUFMAX];
size_t len;
struct sockaddr_in sin;
unsigned char mac[MACLEN];
unsigned char *p;
int i, j;
bzero((char *)&sin, sizeof(sin));
sin.sin_family = AF_INET;
host2addr((char *)broadcast_addr, &sin.sin_addr, &sin.sin_family);
sin.sin_port = htons(9);
if ((sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
fprintf(stderr, "Can't get socket.\n");
return 1;
}
optval = 1;
if (setsockopt(sd, SOL_SOCKET, SO_BROADCAST, &optval, sizeof(optval)) < 0) {
fprintf(stderr, "Can't set sockopt: %d.\n", errno);
return 1;
}
p = mac_addr;
j = hex2(p);
if (j < 0) {
MACerror: fprintf(stderr,"Illegal MAC address: %s.\n", mac_addr);
return 1;
}
mac[0] = j;
p += 2;
for (i = 1; i < MACLEN; i++) {
if (*p++ != ':') goto MACerror;
j = hex2(p);
if (j < 0) goto MACerror;
mac[i] = j;
p += 2;
}
p = buf;
for (i = 0; i < 6; i++) {
*p++ = 0xFF;
}
for (i = 0; i < 16; i++) {
for (j = 0; j < MACLEN; j++) {
*p++ = mac[j];
}
}
len = p - buf;
if (sendto(sd, buf, len, 0, (struct sockaddr*)&sin, sizeof(sin)) != len) {
fprintf(stderr, "Failed to send: %d.\n", errno);
}
return 0;
}
int process_ihexfile(const char *ihexfile, struct record **rec_p)
{
int fd;
int rc;
int i;
int len;
uint8_t *ptr;
uint8_t c;
uint8_t ih_count;
uint16_t ih_address;
uint8_t ih_type;
uint8_t ih_data[256];
uint8_t ih_checksum;
uint32_t ip = 0;
struct record *rec;
fd = open(ihexfile, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "process_ihexfile: open failed (%s) :%s\n", ihexfile, strerror(errno));
return -1;
}
while (1) {
ptr = io_buffer;
len = read_fully(fd, ptr, 1);
if (len < 0)
goto read_error;
else if (len == 0)
break;
c = *(ptr++);
if (c == '\n')
continue;
else if (c == '\r')
continue;
if (c != ':')
goto data_error;
ptr = io_buffer;
len = read_fully(fd, ptr, 8);
if (len < 0)
goto read_error;
else if (len == 0)
goto data_error;
if (hex2(&ptr, &ih_count) < 0)
goto data_error;
if (hex4(&ptr, &ih_address) < 0)
goto data_error;
if (hex2(&ptr, &ih_type) < 0)
goto data_error;
if (ih_count > 0) {
ptr = io_buffer;
len = read_fully(fd, ptr, (ih_count * 2));
if (len < 0)
goto read_error;
else if (len == 0)
goto data_error;
for (i = 0; i < ih_count; i++) {
if (hex2(&ptr, &ih_data[i]) < 0)
goto data_error;
}
}
ptr = io_buffer;
len = read_fully(fd, ptr, 2);
if (len < 0)
goto read_error;
else if (len == 0)
goto data_error;
if (hex2(&ptr, &ih_checksum) < 0)
goto data_error;
if (ih_type == 0x00) {
rec = malloc(sizeof(struct record) + (sizeof(uint8_t) * ih_count));
if (rec == NULL)
goto memory_error;
rec->next = NULL;
rec->count = ih_count;
rec->address = ip + ih_address;
memcpy(rec->data, ih_data, ih_count);
*(rec_p) = rec;
rec_p = &rec->next;
} else if (ih_type == 0x02) {
ip = (((ih_data[0] << 8) | (ih_data[1] << 0)) << 4);
} else if (ih_type == 0x04) {
ip = (((ih_data[0] << 8) | (ih_data[1] << 0)) << 16);
}
}
rc = 0;
goto close;
memory_error:
fprintf(stderr, "process_ihexfile: memory error\n");
rc = -1;
goto close;
read_error:
fprintf(stderr, "process_ihexfile: read error\n");
rc = -1;
goto close;
data_error:
fprintf(stderr, "process_ihexfile: data error\n");
rc = -1;
goto close;
close:
if (close(fd) < 0) {
fprintf(stderr, "process_ihexfile: close failed %s\n", strerror(errno));
return -1;
}
return rc;
}