4 files changed, 69 insertions, 84 deletions

diff --git a/openbsd-compat/getrrsetbyname.c b/openbsd-compat/getrrsetbyname.c
index 1a4d9c14b..3ba54e0da 100644
--- a/openbsd-compat/getrrsetbyname.c
+++ b/openbsd-compat/getrrsetbyname.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: getrrsetbyname.c,v 1.4 2001/08/16 18:16:43 ho Exp $ */
+/* $OpenBSD: getrrsetbyname.c,v 1.7 2003/03/07 07:34:14 itojun Exp $ */
 
 /*
  * Copyright (c) 2001 Jakob Schlyter. All rights reserved.
@@ -49,6 +49,8 @@
 
 #include "getrrsetbyname.h"
 
+/* #include "thread_private.h" */
+
 #define ANSWER_BUFFER_SIZE 1024*64
 
 struct dns_query {
@@ -76,10 +78,10 @@ struct dns_response {
         struct dns_rr           *additional;
 };
 
-static struct dns_response *parse_dns_response(const char *, int);
-static struct dns_query *parse_dns_qsection(const char *, int, const char **,
-    int);
-static struct dns_rr *parse_dns_rrsection(const char *, int, const char **,
+static struct dns_response *parse_dns_response(const u_char *, int);
+static struct dns_query *parse_dns_qsection(const u_char *, int,
+    const u_char **, int);
+static struct dns_rr *parse_dns_rrsection(const u_char *, int, const u_char **,
     int);
 
 static void free_dns_query(struct dns_query *);
@@ -153,13 +155,15 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
     unsigned int rdtype, unsigned int flags,
     struct rrsetinfo **res)
 {
+        struct __res_state *_resp = &_res;
         int result;
         struct rrsetinfo *rrset = NULL;
         struct dns_response *response;
         struct dns_rr *rr;
         struct rdatainfo *rdata;
-        unsigned int length, index_ans, index_sig;
-        char answer[ANSWER_BUFFER_SIZE];
+        int length;
+        unsigned int index_ans, index_sig;
+        u_char answer[ANSWER_BUFFER_SIZE];
 
         /* check for invalid class and type */
         if (rdclass > 0xffff || rdtype > 0xffff) {
@@ -180,23 +184,24 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
         }
 
         /* initialize resolver */
-        if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
+        if ((_resp->options & RES_INIT) == 0 && res_init() == -1) {
                 result = ERRSET_FAIL;
                 goto fail;
         }
 
 #ifdef DEBUG
-        _res.options |= RES_DEBUG;
+        _resp->options |= RES_DEBUG;
 #endif /* DEBUG */
 
 #ifdef RES_USE_DNSSEC
         /* turn on DNSSEC if EDNS0 is configured */
-        if (_res.options & RES_USE_EDNS0)
-                _res.options |= RES_USE_DNSSEC;
+        if (_resp->options & RES_USE_EDNS0)
+                _resp->options |= RES_USE_DNSSEC;
 #endif /* RES_USE_DNSEC */
 
         /* make query */
-        length = res_query(hostname, rdclass, rdtype, answer, sizeof(answer));
+        length = res_query(hostname, (signed int) rdclass, (signed int) rdtype,
+            answer, sizeof(answer));
         if (length < 0) {
                 switch(h_errno) {
                 case HOST_NOT_FOUND:
@@ -338,10 +343,10 @@ freerrset(struct rrsetinfo *rrset)
  * DNS response parsing routines
  */
 static struct dns_response *
-parse_dns_response(const char *answer, int size)
+parse_dns_response(const u_char *answer, int size)
 {
         struct dns_response *resp;
-        const char *cp;
+        const u_char *cp;
 
         /* allocate memory for the response */
         resp = calloc(1, sizeof(*resp));
@@ -403,7 +408,7 @@ parse_dns_response(const char *answer, int size)
 }
 
 static struct dns_query *
-parse_dns_qsection(const char *answer, int size, const char **cp, int count)
+parse_dns_qsection(const u_char *answer, int size, const u_char **cp, int count)
 {
         struct dns_query *head, *curr, *prev;
         int i, length;
@@ -449,7 +454,7 @@ parse_dns_qsection(const char *answer, int size, const char **cp, int count)
 }
 
 static struct dns_rr *
-parse_dns_rrsection(const char *answer, int size, const char **cp, int count)
+parse_dns_rrsection(const u_char *answer, int size, const u_char **cp, int count)
 {
         struct dns_rr *head, *curr, *prev;
         int i, length;
diff --git a/openbsd-compat/strlcat.c b/openbsd-compat/strlcat.c
index 3a9b5d1a7..8df757730 100644
--- a/openbsd-compat/strlcat.c
+++ b/openbsd-compat/strlcat.c
@@ -1,37 +1,26 @@
-/*      $OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $     */
+/*      $OpenBSD: strlcat.c,v 1.10 2003/04/12 21:56:39 millert Exp $    */
 
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * 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.
  *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TODD C. MILLER DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL TODD C. MILLER 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.
  */
 
 #include "includes.h"
 #ifndef HAVE_STRLCAT
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $";
+static char *rcsid = "$OpenBSD: strlcat.c,v 1.10 2003/04/12 21:56:39 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -46,10 +35,7 @@ static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp
  * If retval >= siz, truncation occurred.
  */
 size_t
-strlcat(dst, src, siz)
-        char *dst;
-        const char *src;
-        size_t siz;
+strlcat(char *dst, const char *src, size_t siz)
 {
         register char *d = dst;
         register const char *s = src;
diff --git a/openbsd-compat/strlcpy.c b/openbsd-compat/strlcpy.c
index 2f87eca44..fbb4f8ae2 100644
--- a/openbsd-compat/strlcpy.c
+++ b/openbsd-compat/strlcpy.c
@@ -1,37 +1,26 @@
-/*      $OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $     */
+/*      $OpenBSD: strlcpy.c,v 1.7 2003/04/12 21:56:39 millert Exp $     */
 
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * 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.
  *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND TODD C. MILLER DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL TODD C. MILLER 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.
  */
 
 #include "includes.h"
 #ifndef HAVE_STRLCPY
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
+static char *rcsid = "$OpenBSD: strlcpy.c,v 1.7 2003/04/12 21:56:39 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -44,10 +33,7 @@ static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp
  * Returns strlen(src); if retval >= siz, truncation occurred.
  */
 size_t
-strlcpy(dst, src, siz)
-        char *dst;
-        const char *src;
-        size_t siz;
+strlcpy(char *dst, const char *src, size_t siz)
 {
         register char *d = dst;
         register const char *s = src;
diff --git a/openbsd-compat/vis.c b/openbsd-compat/vis.c
index fc5741390..0d15886f0 100644
--- a/openbsd-compat/vis.c
+++ b/openbsd-compat/vis.c
@@ -34,7 +34,7 @@
 #if !defined(HAVE_STRNVIS)
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: vis.c,v 1.8 2002/02/19 19:39:36 millert Exp $";
+static char rcsid[] = "$OpenBSD: vis.c,v 1.11 2003/05/14 05:16:43 pjanzen Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <ctype.h>
@@ -47,8 +47,9 @@ static char rcsid[] = "$OpenBSD: vis.c,v 1.8 2002/02/19 19:39:36 millert Exp $";
                                 ((flag & VIS_SP) == 0 && (c) == ' ') ||      \
                                 ((flag & VIS_TAB) == 0 && (c) == '\t') ||    \
                                 ((flag & VIS_NL) == 0 && (c) == '\n') ||     \
-                                ((flag & VIS_SAFE) &&                        \
-                                ((c) == '\b' || (c) == '\007' || (c) == '\r')))
+                                ((flag & VIS_SAFE) && ((c) == '\b' ||        \
+                                (c) == '\007' || (c) == '\r' ||              \
+                                isgraph((u_char)(c)))))
 
 /*
  * vis - visually encode characters
@@ -169,16 +170,20 @@ strvis(dst, src, flag)
 
 int
 strnvis(dst, src, siz, flag)
-        register char *dst;
-        register const char *src;
+        char *dst;
+        const char *src;
         size_t siz;
         int flag;
 {
-        register char c;
+        char c;
         char *start, *end;
+        char tbuf[5];
+        int  i;
 
+        i = 0;
         for (start = dst, end = start + siz - 1; (c = *src) && dst < end; ) {
                 if (isvisible(c)) {
+                        i = 1;
                         *dst++ = c;
                         if (c == '\\' && (flag & VIS_NOSLASH) == 0) {
                                 /* need space for the extra '\\' */
@@ -186,22 +191,25 @@ strnvis(dst, src, siz, flag)
                                         *dst++ = '\\';
                                 else {
                                         dst--;
+                                        i = 2;
                                         break;
                                 }
                         }
                         src++;
                 } else {
-                        /* vis(3) requires up to 4 chars */
-                        if (dst + 3 < end)
-                                dst = vis(dst, c, flag, *++src);
-                        else
+                        i = vis(tbuf, c, flag, *++src) - tbuf;
+                        if (dst + i <= end) {
+                                memcpy(dst, tbuf, i);
+                                dst += i;
+                        } else {
+                                src--;
                                 break;
+                        }
                 }
         }
-        *dst = '\0';
-        if (dst >= end) {
-                char tbuf[5];
-
+        if (siz > 0)
+                *dst = '\0';
+        if (dst + i > end) {
                 /* adjust return value for truncation */
                 while ((c = *src))
                         dst += vis(tbuf, c, flag, *++src) - tbuf;