1 files changed, 0 insertions, 406 deletions
diff --git a/lib/libc/net/res_mkupdate.c b/lib/libc/net/res_mkupdate.c
deleted file mode 100644
index ebcaba2..0000000
--- a/lib/libc/net/res_mkupdate.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- * Copyright (c) 1996 by Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-
-/*
- * Based on the Dynamic DNS reference implementation by Viraj Bais
- * <viraj_bais@ccm.fm.intel.com>
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <sys/param.h>
-
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <arpa/inet.h>
-
-#include <limits.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <res_update.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-
-#include "res_config.h"
-
-static int getnum_str(u_char **, u_char *);
-static int getword_str(char *, int, u_char **, u_char *);
-
-#define ShrinkBuffer(x)  if ((buflen -= x) < 0) return (-2);
-
-/*
- * Form update packets.
- * Returns the size of the resulting packet if no error
- * On error,
- *	returns -1 if error in reading a word/number in rdata
- *		   portion for update packets
- *		-2 if length of buffer passed is insufficient
- *		-3 if zone section is not the first section in
- *		   the linked list, or section order has a problem
- *		-4 on a number overflow
- *		-5 unknown operation or no records
- */
-int
-res_nmkupdate(res_state statp, ns_updrec *rrecp_in, u_char *buf, int buflen) {
-	ns_updrec *rrecp_start = rrecp_in;
-	HEADER *hp;
-	u_char *cp, *sp2, *startp, *endp;
-	int n, i, soanum, multiline;
-	ns_updrec *rrecp;
-	struct in_addr ina;
-        char buf2[MAXDNAME];
-	int section, numrrs = 0, counts[ns_s_max];
-	u_int16_t rtype, rclass;
-	u_int32_t n1, rttl;
-	u_char *dnptrs[20], **dpp, **lastdnptr;
-
-	/*
-	 * Initialize header fields.
-	 */
-	if ((buf == NULL) || (buflen < HFIXEDSZ))
-		return (-1);
-	memset(buf, 0, HFIXEDSZ);
-	hp = (HEADER *) buf;
-	hp->id = htons(++statp->id);
-	hp->opcode = ns_o_update;
-	hp->rcode = NOERROR;
-	cp = buf + HFIXEDSZ;
-	buflen -= HFIXEDSZ;
-	dpp = dnptrs;
-	*dpp++ = buf;
-	*dpp++ = NULL;
-	lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0];
-
-	if (rrecp_start == NULL)
-		return (-5);
-	else if (rrecp_start->r_section != S_ZONE)
-		return (-3);
-
-	memset(counts, 0, sizeof counts);
-	for (rrecp = rrecp_start; rrecp; rrecp = rrecp->r_grpnext) {
-		numrrs++;
-                section = rrecp->r_section;
-		if (section < 0 || section >= ns_s_max)
-			return (-1);
-		counts[section]++;
-		for (i = section + 1; i < ns_s_max; i++)
-			if (counts[i])
-				return (-3);
-		rtype = rrecp->r_type;
-		rclass = rrecp->r_class;
-		rttl = rrecp->r_ttl;
-		/* overload class and type */
-		if (section == S_PREREQ) {
-			rttl = 0;
-			switch (rrecp->r_opcode) {
-			case YXDOMAIN:
-				rclass = C_ANY;
-				rtype = T_ANY;
-				rrecp->r_size = 0;
-				break;
-			case NXDOMAIN:
-				rclass = C_NONE;
-				rtype = T_ANY;
-				rrecp->r_size = 0;
-				break;
-			case NXRRSET:
-				rclass = C_NONE;
-				rrecp->r_size = 0;
-				break;
-			case YXRRSET:
-				if (rrecp->r_size == 0)
-					rclass = C_ANY;
-				break;
-			default:
-				fprintf(stderr,
-					"res_nmkupdate: incorrect opcode: %d\n",
-					rrecp->r_opcode);
-				fflush(stderr);
-				return (-1);
-			}
-		} else if (section == S_UPDATE) {
-			switch (rrecp->r_opcode) {
-			case DELETE:
-				rclass = rrecp->r_size == 0 ? C_ANY : C_NONE;
-				break;
-			case ADD:
-				break;
-			default:
-				fprintf(stderr,
-					"res_nmkupdate: incorrect opcode: %d\n",
-					rrecp->r_opcode);
-				fflush(stderr);
-				return (-1);
-			}
-		}
-
-		/*
-		 * XXX	appending default domain to owner name is omitted,
-		 *	fqdn must be provided
-		 */
-		if ((n = dn_comp(rrecp->r_dname, cp, buflen, dnptrs,
-				 lastdnptr)) < 0)
-			return (-1);
-		cp += n;
-		ShrinkBuffer(n + 2*INT16SZ);
-		PUTSHORT(rtype, cp);
-		PUTSHORT(rclass, cp);
-		if (section == S_ZONE) {
-			if (numrrs != 1 || rrecp->r_type != T_SOA)
-				return (-3);
-			continue;
-		}
-		ShrinkBuffer(INT32SZ + INT16SZ);
-		PUTLONG(rttl, cp);
-		sp2 = cp;  /* save pointer to length byte */
-		cp += INT16SZ;
-		if (rrecp->r_size == 0) {
-			if (section == S_UPDATE && rclass != C_ANY)
-				return (-1);
-			else {
-				PUTSHORT(0, sp2);
-				continue;
-			}
-		}
-		startp = rrecp->r_data;
-		endp = startp + rrecp->r_size - 1;
-		/* XXX this should be done centrally. */
-		switch (rrecp->r_type) {
-		case T_A:
-			if (!getword_str(buf2, sizeof buf2, &startp, endp))
-				return (-1);
-			if (!inet_aton(buf2, &ina))
-				return (-1);
-			n1 = ntohl(ina.s_addr);
-			ShrinkBuffer(INT32SZ);
-			PUTLONG(n1, cp);
-			break;
-		case T_CNAME:
-		case T_MB:
-		case T_MG:
-		case T_MR:
-		case T_NS:
-		case T_PTR:
-			if (!getword_str(buf2, sizeof buf2, &startp, endp))
-				return (-1);
-			n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr);
-			if (n < 0)
-				return (-1);
-			cp += n;
-			ShrinkBuffer(n);
-			break;
-		case T_MINFO:
-		case T_SOA:
-		case T_RP:
-			for (i = 0; i < 2; i++) {
-				if (!getword_str(buf2, sizeof buf2, &startp,
-						 endp))
-				return (-1);
-				n = dn_comp(buf2, cp, buflen,
-					    dnptrs, lastdnptr);
-				if (n < 0)
-					return (-1);
-				cp += n;
-				ShrinkBuffer(n);
-			}
-			if (rrecp->r_type == T_SOA) {
-				ShrinkBuffer(5 * INT32SZ);
-				while (isspace(*startp) || !*startp)
-					startp++;
-				if (*startp == '(') {
-					multiline = 1;
-					startp++;
-				} else
-					multiline = 0;
-				/* serial, refresh, retry, expire, minimum */
-				for (i = 0; i < 5; i++) {
-					soanum = getnum_str(&startp, endp);
-					if (soanum < 0)
-						return (-1);
-					PUTLONG(soanum, cp);
-				}
-				if (multiline) {
-					while (isspace(*startp) || !*startp)
-						startp++;
-					if (*startp != ')')
-						return (-1);
-				}
-			}
-			break;
-		case T_MX:
-		case T_AFSDB:
-		case T_RT:
-			n = getnum_str(&startp, endp);
-			if (n < 0)
-				return (-1);
-			PUTSHORT(n, cp);
-			ShrinkBuffer(INT16SZ);
-			if (!getword_str(buf2, sizeof buf2, &startp, endp))
-				return (-1);
-			n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr);
-			if (n < 0)
-				return (-1);
-			cp += n;
-			ShrinkBuffer(n);
-			break;
-		case T_PX:
-			n = getnum_str(&startp, endp);
-			if (n < 0)
-				return (-1);
-			PUTSHORT(n, cp);
-			ShrinkBuffer(INT16SZ);
-			for (i = 0; i < 2; i++) {
-				if (!getword_str(buf2, sizeof buf2, &startp,
-						 endp))
-					return (-1);
-				n = dn_comp(buf2, cp, buflen, dnptrs,
-					    lastdnptr);
-				if (n < 0)
-					return (-1);
-				cp += n;
-				ShrinkBuffer(n);
-			}
-			break;
-		case T_WKS:
-		case T_HINFO:
-		case T_TXT:
-		case T_X25:
-		case T_ISDN:
-		case T_NSAP:
-		case T_LOC:
-			/* XXX - more fine tuning needed here */
-			ShrinkBuffer(rrecp->r_size);
-			memcpy(cp, rrecp->r_data, rrecp->r_size);
-			cp += rrecp->r_size;
-			break;
-		default:
-			return (-1);
-		} /*switch*/
-		n = (u_int16_t)((cp - sp2) - INT16SZ);
-		PUTSHORT(n, sp2);
-	} /*for*/
-		
-	hp->qdcount = htons(counts[0]);
-	hp->ancount = htons(counts[1]);
-	hp->nscount = htons(counts[2]);
-	hp->arcount = htons(counts[3]);
-	return (cp - buf);
-}
-
-/*
- * Get a whitespace delimited word from a string (not file)
- * into buf. modify the start pointer to point after the
- * word in the string.
- */
-static int
-getword_str(char *buf, int size, u_char **startpp, u_char *endp) {
-        char *cp;
-        int c;
- 
-        for (cp = buf; *startpp <= endp; ) {
-                c = **startpp;
-                if (isspace(c) || c == '\0') {
-                        if (cp != buf) /* trailing whitespace */
-                                break;
-                        else { /* leading whitespace */
-                                (*startpp)++;
-                                continue;
-                        }
-                }
-                (*startpp)++;
-                if (cp >= buf+size-1)
-                        break;
-                *cp++ = (u_char)c;
-        }
-        *cp = '\0';
-        return (cp != buf);
-}
-
-/*
- * Get a whitespace delimited number from a string (not file) into buf
- * update the start pointer to point after the number in the string.
- */
-static int
-getnum_str(u_char **startpp, u_char *endp) {
-        int c, n;
-        int seendigit = 0;
-        int m = 0;
-
-        for (n = 0; *startpp <= endp; ) {
-                c = **startpp;
-                if (isspace(c) || c == '\0') {
-                        if (seendigit) /* trailing whitespace */
-                                break;
-                        else { /* leading whitespace */
-                                (*startpp)++;
-                                continue;
-                        }
-                }
-                if (c == ';') {
-                        while ((*startpp <= endp) &&
-			       ((c = **startpp) != '\n'))
-					(*startpp)++;
-                        if (seendigit)
-                                break;
-                        continue;
-                }
-                if (!isdigit(c)) {
-                        if (c == ')' && seendigit) {
-                                (*startpp)--;
-                                break;
-                        }
-			return (-1);
-                }        
-                (*startpp)++;
-                n = n * 10 + (c - '0');
-                seendigit = 1;
-        }
-        return (n + m);
-}
-
-/*
- * Allocate a resource record buffer & save rr info.
- */
-ns_updrec *
-res_mkupdrec(int section, const char *dname,
-	     u_int class, u_int type, u_long ttl) {
-	ns_updrec *rrecp = (ns_updrec *)calloc(1, sizeof(ns_updrec));
-
-	if (!rrecp || !(rrecp->r_dname = strdup(dname)))
-		return (NULL);
- 	rrecp->r_class = class;
-	rrecp->r_type = type;
-	rrecp->r_ttl = ttl;
-	rrecp->r_section = section;
-	return (rrecp);
-}
-
-/*
- * Free a resource record buffer created by res_mkupdrec.
- */
-void
-res_freeupdrec(ns_updrec *rrecp) {
-	/* Note: freeing r_dp is the caller's responsibility. */
-	if (rrecp->r_dname != NULL)
-		free(rrecp->r_dname);
-	free(rrecp);
-}