#include <sys_defs.h>
#ifdef USE_TLS
#include <stdio.h>
#include <msg.h>
#define TLS_INTERNAL
#include <tls.h>
static unsigned char dh512_p[] = {
0x88, 0x3F, 0x00, 0xAF, 0xFC, 0x0C, 0x8A, 0xB8, 0x35, 0xCD, 0xE5, 0xC2,
0x0F, 0x55, 0xDF, 0x06, 0x3F, 0x16, 0x07, 0xBF, 0xCE, 0x13, 0x35, 0xE4,
0x1C, 0x1E, 0x03, 0xF3, 0xAB, 0x17, 0xF6, 0x63, 0x50, 0x63, 0x67, 0x3E,
0x10, 0xD7, 0x3E, 0xB4, 0xEB, 0x46, 0x8C, 0x40, 0x50, 0xE6, 0x91, 0xA5,
0x6E, 0x01, 0x45, 0xDE, 0xC9, 0xB1, 0x1F, 0x64, 0x54, 0xFA, 0xD9, 0xAB,
0x4F, 0x70, 0xBA, 0x5B,
};
static unsigned char dh512_g[] = {
0x02,
};
static unsigned char dh1024_p[] = {
0xB0, 0xFE, 0xB4, 0xCF, 0xD4, 0x55, 0x07, 0xE7, 0xCC, 0x88, 0x59, 0x0D,
0x17, 0x26, 0xC5, 0x0C, 0xA5, 0x4A, 0x92, 0x23, 0x81, 0x78, 0xDA, 0x88,
0xAA, 0x4C, 0x13, 0x06, 0xBF, 0x5D, 0x2F, 0x9E, 0xBC, 0x96, 0xB8, 0x51,
0x00, 0x9D, 0x0C, 0x0D, 0x75, 0xAD, 0xFD, 0x3B, 0xB1, 0x7E, 0x71, 0x4F,
0x3F, 0x91, 0x54, 0x14, 0x44, 0xB8, 0x30, 0x25, 0x1C, 0xEB, 0xDF, 0x72,
0x9C, 0x4C, 0xF1, 0x89, 0x0D, 0x68, 0x3F, 0x94, 0x8E, 0xA4, 0xFB, 0x76,
0x89, 0x18, 0xB2, 0x91, 0x16, 0x90, 0x01, 0x99, 0x66, 0x8C, 0x53, 0x81,
0x4E, 0x27, 0x3D, 0x99, 0xE7, 0x5A, 0x7A, 0xAF, 0xD5, 0xEC, 0xE2, 0x7E,
0xFA, 0xED, 0x01, 0x18, 0xC2, 0x78, 0x25, 0x59, 0x06, 0x5C, 0x39, 0xF6,
0xCD, 0x49, 0x54, 0xAF, 0xC1, 0xB1, 0xEA, 0x4A, 0xF9, 0x53, 0xD0, 0xDF,
0x6D, 0xAF, 0xD4, 0x93, 0xE7, 0xBA, 0xAE, 0x9B,
};
static unsigned char dh1024_g[] = {
0x02,
};
static DH *dh_1024 = 0;
static DH *dh_512 = 0;
void tls_set_dh_1024_from_file(const char *path)
{
FILE *paramfile;
if ((paramfile = fopen(path, "r")) != 0) {
dh_1024 = PEM_read_DHparams(paramfile, NULL, NULL, NULL);
if (dh_1024 == 0) {
msg_warn("cannot load 1024-bit DH parameters from file %s"
" -- using compiled-in defaults", path);
tls_print_errors();
}
(void) fclose(paramfile);
} else {
msg_warn("cannot load 1024-bit DH parameters from file %s: %m"
" -- using compiled-in defaults", path);
}
}
void tls_set_dh_512_from_file(const char *path)
{
FILE *paramfile;
if ((paramfile = fopen(path, "r")) != 0) {
dh_512 = PEM_read_DHparams(paramfile, NULL, NULL, NULL);
if (dh_512 == 0) {
msg_warn("cannot load 512-bit DH parameters from file %s"
" -- using compiled-in defaults", path);
tls_print_errors();
}
(void) fclose(paramfile);
} else {
msg_warn("cannot load 512-bit DH parameters from file %s: %m"
" -- using compiled-in defaults", path);
}
}
static DH *tls_get_dh_512(void)
{
DH *dh;
if (dh_512 == 0) {
if ((dh = DH_new()) == 0) {
msg_warn("cannot create DH parameter set: %m");
return (0);
}
dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), (BIGNUM *) 0);
dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), (BIGNUM *) 0);
if ((dh->p == 0) || (dh->g == 0)) {
msg_warn("cannot load compiled-in DH parameters");
DH_free(dh);
return (0);
} else
dh_512 = dh;
}
return (dh_512);
}
static DH *tls_get_dh_1024(void)
{
DH *dh;
if (dh_1024 == 0) {
if ((dh = DH_new()) == 0) {
msg_warn("cannot create DH parameter set: %m");
return (0);
}
dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), (BIGNUM *) 0);
dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), (BIGNUM *) 0);
if ((dh->p == 0) || (dh->g == 0)) {
msg_warn("cannot load compiled-in DH parameters");
DH_free(dh);
return (0);
} else
dh_1024 = dh;
}
return (dh_1024);
}
DH *tls_tmp_dh_cb(SSL *unused_ssl, int export, int keylength)
{
DH *dh_tmp;
if (export) {
if (keylength == 512)
dh_tmp = tls_get_dh_512();
else if (keylength == 1024)
dh_tmp = tls_get_dh_1024();
else
dh_tmp = tls_get_dh_1024();
} else {
dh_tmp = tls_get_dh_1024();
}
return (dh_tmp);
}
#ifdef TEST
int main(int unused_argc, char **unused_argv)
{
tls_tmp_dh_cb(0, 1, 512);
tls_tmp_dh_cb(0, 1, 1024);
tls_tmp_dh_cb(0, 1, 2048);
tls_tmp_dh_cb(0, 0, 512);
return (0);
}
#endif
#endif