/* this function parses passwd.psk file. Format is:
* string(username):hex(passwd)
*/
static int pwd_put_values(gnutls_datum_t * psk, char *str)
{
char *p;
int len, ret;
gnutls_datum_t tmp;
p = strchr(str, ':');
if (p == NULL) {
gnutls_assert();
return GNUTLS_E_SRP_PWD_PARSING_ERROR;
}
*p = '\0';
p++;
/* skip username
*/
/* read the key
*/
len = strlen(p);
if (p[len - 1] == '\n' || p[len - 1] == ' ')
len--;
tmp.data = (void*)p;
tmp.size = len;
ret = gnutls_hex_decode2(&tmp, psk);
if (ret < 0) {
gnutls_assert();
return ret;
}
return 0;
}
static
int dn_attr_crt_set(set_dn_func f, void *crt, const gnutls_datum_t * name,
const gnutls_datum_t * val, unsigned is_raw)
{
char _oid[MAX_OID_SIZE];
gnutls_datum_t tmp;
const char *oid;
int ret;
unsigned i,j;
if (name->size == 0 || val->size == 0)
return gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
if (c_isdigit(name->data[0]) != 0) {
if (name->size >= sizeof(_oid))
return gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
memcpy(_oid, name->data, name->size);
_oid[name->size] = 0;
oid = _oid;
if (gnutls_x509_dn_oid_known(oid) == 0 && !is_raw) {
_gnutls_debug_log("Unknown OID: '%s'\n", oid);
return gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
}
} else {
oid =
_gnutls_ldap_string_to_oid((char *) name->data,
name->size);
}
if (oid == NULL) {
_gnutls_debug_log("Unknown DN attribute: '%.*s'\n",
(int) name->size, name->data);
return gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
}
if (is_raw) {
gnutls_datum_t hex = {val->data+1, val->size-1};
ret = gnutls_hex_decode2(&hex, &tmp);
if (ret < 0)
return gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
} else {
tmp.size = val->size;
tmp.data = gnutls_malloc(tmp.size+1);
if (tmp.data == NULL) {
return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
}
/* unescape */
for (j=i=0;i<tmp.size;i++) {
if (1+j!=val->size && val->data[j] == '\\') {
if (val->data[j+1] == ',' || val->data[j+1] == '#' ||
val->data[j+1] == ' ' || val->data[j+1] == '+' ||
val->data[j+1] == '"' || val->data[j+1] == '<' ||
val->data[j+1] == '>' || val->data[j+1] == ';' ||
val->data[j+1] == '\\' || val->data[j+1] == '=') {
tmp.data[i] = val->data[j+1];
j+=2;
tmp.size--;
} else {
ret = gnutls_assert_val(GNUTLS_E_PARSING_ERROR);
goto fail;
}
} else {
tmp.data[i] = val->data[j++];
}
}
tmp.data[tmp.size] = 0;
}
ret = f(crt, oid, is_raw, tmp.data, tmp.size);
if (ret < 0) {
gnutls_assert();
goto fail;
}
ret = 0;
fail:
gnutls_free(tmp.data);
return ret;
}