build fix: added missing include

Thanks to Jim Downing for spotting it!

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/basic_rp.cc b/lib/basic_rp.cc
index 3357d0b..3cad71c 100644
--- a/lib/basic_rp.cc
+++ b/lib/basic_rp.cc
@@ -1,48 +1,49 @@
+#include <sys/types.h>
 #include <cassert>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
 #include <opkele/basic_rp.h>
 #include <opkele/exception.h>
 #include <opkele/uris.h>
 #include <opkele/data.h>
 #include <opkele/util.h>
 #include <opkele/util-internal.h>
 #include <opkele/curl.h>
 #include <opkele/debug.h>
 
 namespace opkele {
 
     void basic_RP::reset_vars() {
 	claimed_id.clear(); identity.clear();
     }
 
     const string& basic_RP::get_claimed_id() const {
 	if(claimed_id.empty())
 	    throw non_identity(OPKELE_CP_ "attempting to retreive claimed_id of non-identity assertion");
 	assert(!identity.empty());
 	return claimed_id;
     }
 
     const string& basic_RP::get_identity() const {
 	if(identity.empty())
 	    throw non_identity(OPKELE_CP_ "attempting to retrieve identity of non-identity related assertion");
 	assert(!claimed_id.empty());
 	return identity;
     }
 
     static void dh_get_secret(
 	    secret_t& secret, const basic_openid_message& om,
 	    const char *exp_assoc, const char *exp_sess,
 	    util::dh_t& dh,
 	    size_t d_len, unsigned char *(*d_fun)(const unsigned char*,size_t,unsigned char*),
 	    size_t exp_s_len) try {
 	if(om.get_field("assoc_type")!=exp_assoc || om.get_field("session_type")!=exp_sess)
 	    throw bad_input(OPKELE_CP_ "Unexpected associate response");
 	util::bignum_t s_pub = util::base64_to_bignum(om.get_field("dh_server_public"));
 	vector<unsigned char> ck(DH_size(dh)+1);
 	unsigned char *ckptr = &(ck.front())+1;
 	int cklen = DH_compute_key(ckptr,s_pub,dh);
 	if(cklen<0)
 	    throw exception_openssl(OPKELE_CP_ "failed to DH_compute_key()");
 	if(cklen && (*ckptr)&0x80) {
 	    (*(--ckptr))=0; ++cklen; }