1 files changed, 156 insertions, 0 deletions

diff --git a/private/inc/sockets/resolv.h b/private/inc/sockets/resolv.h
new file mode 100644
index 000000000..5edc854c4
--- /dev/null
+++ b/private/inc/sockets/resolv.h
@@ -0,0 +1,156 @@
+/******************************************************************
+ *
+ *  SpiderTCP BIND
+ *
+ *  Copyright 1990  Spider Systems Limited
+ *
+ *  RESOLV.H
+ *
+ ******************************************************************/
+
+/*
+ *   /usr/projects/tcp/SCCS.rel3/rel/src/include/0/s.resolv.h
+ *  @(#)resolv.h    5.3
+ *
+ *  Last delta created  14:05:35 3/4/91
+ *  This file extracted 11:19:25 3/8/91
+ *
+ *  Modifications:
+ *
+ *      GSS 20 Jul 90   New File
+ */
+
+/*
+ * Copyright (c) 1983, 1987, 1989 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  @(#)resolv.h    5.10 (Berkeley) 6/1/90
+ */
+
+#ifndef _RESOLV_INCLUDED
+#define _RESOLV_INCLUDED
+
+/*
+ * Global defines and variables for resolver stub.
+ */
+#define MAXNS            8  /* max # name servers we'll track per list */
+#define MAXNSLIST        4  /* max # name servers lists we'll track */
+#define MAXDFLSRCH       3  /* # default domain levels to try */
+#define MAXDNSRCH        6  /* max # domains in search path */
+#define LOCALDOMAINPARTS 2  /* min levels in name that is "local" */
+#define RES_TIMEOUT      5  /* min. seconds between retries */
+
+typedef struct _ADDR_LIST {
+    u_long ServerCount;
+    u_long Servers[MAXNS];
+
+} ADDR_LIST, FAR * LPADDR_LIST;
+
+struct state {
+    long       options;             /* option flags - see below. */
+    int        retrans;             /* retransmition time interval */
+    u_short    retry;               /* number of times to retransmit */
+    u_short    id;                  /* current packet id */
+    ADDR_LIST  nslist[MAXNSLIST];   /* the server lists */
+    char       defdname[MAXDNAME];  /* default domain */
+    char      *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
+};
+
+/*
+ * Resolver options
+ */
+#define RES_INIT        0x0001      /* address initialized */
+#define RES_DEBUG       0x0002      /* print debug messages */
+#define RES_AAONLY      0x0004      /* authoritative answers only */
+#define RES_USEVC       0x0008      /* use virtual circuit */
+#define RES_PRIMARY     0x0010      /* query primary server only */
+#define RES_IGNTC       0x0020      /* ignore trucation errors */
+#define RES_RECURSE     0x0040      /* recursion desired */
+#define RES_DEFNAMES    0x0080      /* use default domain name */
+#define RES_STAYOPEN    0x0100      /* Keep TCP socket open */
+#define RES_DNSRCH      0x0200      /* search up local domain tree */
+
+#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
+
+
+//
+// Resolver function prototypes
+//
+
+int
+dn_expand(
+    IN  unsigned char *msg,
+    IN  unsigned char *eomorig,
+    IN  unsigned char *comp_dn,
+    OUT unsigned char *exp_dn,
+    IN  int            length
+    );
+
+int
+dn_comp(
+    IN      unsigned char  *exp_dn,
+    OUT     unsigned char  *comp_dn,
+    IN      int             length,
+    IN      unsigned char **dnptrs,     OPTIONAL
+    IN OUT  unsigned char **lastdnptr   OPTIONAL
+    );
+
+int
+res_init(
+    void
+    );
+
+int
+res_send(
+    IN  char *buf,
+    IN  int buflen,
+    OUT char *answer,
+    IN  int anslen
+    );
+
+int
+res_query(
+    IN  char          *name,      /* domain name */
+    IN  int            class,     /* class of query */
+    IN  int            type,      /* type of query */
+    OUT unsigned char *answer,    /* buffer to put answer */
+    IN  int            anslen     /* size of answer buffer */
+    );
+
+int
+res_search(
+    IN  char           *name,     /* domain name */
+    IN  int            class,     /* class of query */
+    IN  int            type,      /* type of query */
+    OUT unsigned char *answer,    /* buffer to put answer */
+    IN  int            anslen     /* size of answer */
+    );
+
+int
+res_mkquery(
+    IN  int          op,             // opcode of query
+    IN  char        *dname,          // domain name
+    IN  int          class,                  // class of query
+    IN  int          type,               // type of query
+    IN  char        *data,    OPTIONAL       // resource record data
+    IN  int          datalen, OPTIONAL       // length of data
+    IN  struct rrec *newrr,   OPTIONAL       // new rr for modify or append
+    OUT char        *buf,            // buffer to put query
+    IN  int          buflen                  // size of buffer
+    );
+
+#endif    // _RESOLV_INCLUDED