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-rw-r--r--src/util/inet_proto.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/util/inet_proto.h b/src/util/inet_proto.h
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--- /dev/null
+++ b/src/util/inet_proto.h
@@ -0,0 +1,51 @@
+#ifndef _INET_PROTO_INFO_H_INCLUDED_
+#define _INET_PROTO_INFO_H_INCLUDED_
+
+/*++
+/* NAME
+/* inet_proto_info 3h
+/* SUMMARY
+/* convert protocol names to assorted constants
+/* SYNOPSIS
+/* #include <inet_proto_info.h>
+ DESCRIPTION
+ .nf
+
+ /*
+ * External interface.
+ */
+typedef struct {
+ unsigned int ai_family; /* PF_UNSPEC, PF_INET, or PF_INET6 */
+ unsigned int *ai_family_list; /* PF_INET and/or PF_INET6 */
+ unsigned int *dns_atype_list; /* TAAAA and/or TA */
+ unsigned char *sa_family_list; /* AF_INET6 and/or AF_INET */
+} INET_PROTO_INFO;
+
+ /*
+ * Some compilers won't link initialized data unless we call a function in
+ * the same source file. Therefore, inet_proto_info() is a function instead
+ * of a global variable.
+ */
+#define inet_proto_info() \
+ (inet_proto_table ? inet_proto_table : \
+ inet_proto_init("default protocol setting", DEF_INET_PROTOCOLS))
+
+extern INET_PROTO_INFO *inet_proto_init(const char *, const char *);
+extern INET_PROTO_INFO *inet_proto_table;
+
+#define INET_PROTO_NAME_IPV6 "ipv6"
+#define INET_PROTO_NAME_IPV4 "ipv4"
+#define INET_PROTO_NAME_ALL "all"
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif