2006-04-28 10:51:19 +00:00
parent 51c3484a9f
commit 1029d84d23
514 changed files with 2 additions and 2 deletions
@@ -0,0 +1,85 @@
+/* Algorithm info parsing and creation functions
+ * Author: JuanJo Ciarlante <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * RCSID $Id: alg_info.h,v 1.4 2004/09/29 22:39:44 as Exp $
+ */
+
+#ifndef ALG_INFO_H
+#define ALG_INFO_H
+
+struct esp_info {
+	u_int8_t transid;	/* ESP transform */
+	u_int16_t auth;		/* AUTH */
+	size_t enckeylen;	/* keylength for ESP transform */
+	size_t authkeylen;	/* keylength for AUTH */
+	u_int8_t encryptalg;	/* normally  encryptalg=transid */
+	u_int8_t authalg;	/* normally  authalg=auth+1 */
+};
+
+struct ike_info {
+	u_int16_t ike_ealg;	/* high 16 bit nums for reserved */
+	u_int8_t ike_halg;
+	size_t ike_eklen;
+	size_t ike_hklen;
+	u_int16_t ike_modp;
+};
+
+#define ALG_INFO_COMMON \
+	int alg_info_cnt;		\
+	int ref_cnt;			\
+	unsigned alg_info_flags;	\
+	unsigned alg_info_protoid
+
+struct alg_info {
+	ALG_INFO_COMMON;
+};
+
+struct alg_info_esp {
+	ALG_INFO_COMMON;
+	struct esp_info esp[64];
+	int esp_pfsgroup;
+};
+
+struct alg_info_ike {
+	ALG_INFO_COMMON;
+	struct ike_info ike[64];
+};
+#define esp_ealg_id transid
+#define esp_aalg_id auth
+#define esp_ealg_keylen enckeylen	/* bits */
+#define esp_aalg_keylen authkeylen	/* bits */
+
+/*	alg_info_flags bits */
+#define ALG_INFO_F_STRICT	0x01
+
+extern int alg_info_esp_aa2sadb(int auth);
+extern int alg_info_esp_sadb2aa(int sadb_aalg);
+extern void alg_info_free(struct alg_info *alg_info);
+extern void alg_info_addref(struct alg_info *alg_info);
+extern void alg_info_delref(struct alg_info **alg_info);
+extern struct alg_info_esp* alg_info_esp_create_from_str(const char *alg_str
+    , const char **err_p);
+extern struct alg_info_ike* alg_info_ike_create_from_str(const char *alg_str
+    , const char **err_p);
+extern int alg_info_parse(const char *str);
+extern int alg_info_snprint(char *buf, int buflen
+    , struct alg_info *alg_info);
+extern int alg_info_snprint_esp(char *buf, int buflen
+    , struct alg_info_esp *alg_info);
+extern int alg_info_snprint_ike(char *buf, int buflen
+    , struct alg_info_ike *alg_info);
+#define ALG_INFO_ESP_FOREACH(ai, ai_esp, i) \
+	for (i=(ai)->alg_info_cnt,ai_esp=(ai)->esp; i--; ai_esp++) 
+#define ALG_INFO_IKE_FOREACH(ai, ai_ike, i) \
+	for (i=(ai)->alg_info_cnt,ai_ike=(ai)->ike; i--; ai_ike++) 
+#endif /* ALG_INFO_H */