1 files changed, 111 insertions, 0 deletions
diff --git a/accel-pptpd/ppp_auth.c b/accel-pptpd/ppp_auth.c
new file mode 100644
index 0000000..b66727b
--- /dev/null
+++ b/accel-pptpd/ppp_auth.c
@@ -0,0 +1,111 @@
+#include "triton/triton.h"
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "ppp_fsm.h"
+#include "ppp_auth.h"
+
+static LIST_HEAD(drv_list);
+
+int auth_register(struct auth_driver_t *new)
+{
+	struct auth_driver_t *drv;
+
+	list_for_each_entry(drv,&drv_list,entry)
+	{
+		if (drv->type==new->type)
+			return -1;
+	}
+	list_add_tail(&new->entry,&drv_list);
+	return 0;
+}
+
+int auth_get_conf_req(struct ppp_layer_t *l, struct lcp_opt32_t *opt)
+{
+	int i,n;
+	struct auth_driver_t *drv;
+
+	for(i=0; i<AUTH_MAX; i++)
+	{
+		if (l->auth[i] && l->options.lcp.neg_auth[i]>0)
+			goto cont;
+	}
+	for(i=0; i<AUTH_MAX; i++)
+	{
+		if (l->auth[i] && l->options.lcp.neg_auth[i]==0)
+			goto cont;
+	}
+	return -1;
+
+cont:
+	list_for_each_entry(drv,&drv_list,entry)
+	{
+		if (drv->type==l->auth[i])
+			break;
+	}
+	n=drv->get_conf_req(drv,l,opt);
+	opt->val=l->auth[i];
+	opt->hdr.len=6+n;
+	return 0;
+}
+int auth_recv_conf_req(struct ppp_layer_t *l, struct lcp_opt_hdr_t *hdr)
+{
+	struct lcp_opt32_t *opt=(struct lcp_opt32_t*)hdr;
+	struct auth_driver_t *drv;
+	int i;
+
+	for(i=0; i<AUTH_MAX; i++)
+	{
+		if (l->auth[i]==opt->val)
+		{
+			list_for_each_entry(drv,&drv_list,entry)
+			{
+				if (drv->type==l->auth[i])
+				{
+					if (drv->recv_conf_req(drv,l,opt))
+						return -1;
+					l->options.lcp.neg_auth[i]=1;
+					return 0;
+				}
+			}
+			return -1;
+		}
+	}
+	return -1;
+}
+int auth_recv_conf_rej(struct ppp_layer_t *l, struct lcp_opt_hdr_t *hdr)
+{
+	struct lcp_opt32_t *opt=(struct lcp_opt32_t*)hdr;
+	int i;
+
+	for(i=0; i<AUTH_MAX; i++)
+	{
+		if (l->auth[i]==opt->val)
+		{
+			l->options.lcp.neg_auth[i]=-1;
+			break;
+		}
+	}
+	for(i=0; i<3; i++)
+	{
+		if (l->auth[i] && l->options.lcp.neg_auth[i]!=-1)
+			return 0;
+	}
+	return -1;
+}
+int auth_recv_conf_nak(struct ppp_layer_t *l, struct lcp_opt_hdr_t *hdr)
+{
+	struct lcp_opt32_t *opt=(struct lcp_opt32_t*)hdr;
+	int i;
+
+	for(i=0; i<AUTH_MAX; i++)
+	{
+		if (l->auth[i]==opt->val)
+		{
+			l->options.lcp.neg_auth[i]=2;
+			return 0;
+		}
+	}
+	return -1;
+}
+