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authorRoland McGrath <roland@gnu.org>1995-08-22 22:47:57 +0000
committerRoland McGrath <roland@gnu.org>1995-08-22 22:47:57 +0000
commit3cf595e562f955e399d80ea9d053e41d50469e6b (patch)
tree77ed930262ae9606543c580c4a3d69141c1bd561
parent207eb76afba6503af9c4ab5711bfd76f9697c1ad (diff)
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Tue Aug 22 16:49:12 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* inet/netdb.h: Moved to resolv. * inet/Makefile (headers): Remove netdb.h. * resolv/Makefile (headers): Add netdb.h. * resolv/gethnamaddr.c, resolv/inet_addr.c, resolv/netdb.h, resolv/res_send.c: Updated from BIND-4.9.3-BETA26. * hurd/thread-cancel.c: If SS->cancel_hook is not null, call it before resuming the thread. * hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel_hook'. * hurd/Makefile: Removed dep on hurd/signal.h for RPC stub objects. Mon Aug 21 16:37:09 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/i386/dl-machine.h (elf_machine_rel): Grok R_386_NONE relocs, and do nothing. Why the linker generates them we may never know. * sysdeps/mach/hurd/i386/intr-msg.h: New file.
-rw-r--r--ChangeLog21
-rw-r--r--NEWS2
-rw-r--r--hurd/thread-cancel.c6
-rw-r--r--inet/Makefile2
-rw-r--r--netdb.h2
-rw-r--r--resolv/Makefile2
-rw-r--r--resolv/gethnamaddr.c82
-rw-r--r--resolv/inet_addr.c20
-rw-r--r--resolv/netdb.h (renamed from inet/netdb.h)1
-rw-r--r--resolv/res_send.c11
-rw-r--r--sysdeps/mach/hurd/i386/intr-msg.h47
11 files changed, 150 insertions, 46 deletions
diff --git a/ChangeLog b/ChangeLog
index 37ed19f..a05ebf2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,29 @@
+Tue Aug 22 16:49:12 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * inet/netdb.h: Moved to resolv.
+ * inet/Makefile (headers): Remove netdb.h.
+ * resolv/Makefile (headers): Add netdb.h.
+ * resolv/gethnamaddr.c, resolv/inet_addr.c, resolv/netdb.h,
+ resolv/res_send.c: Updated from BIND-4.9.3-BETA26.
+
+ * hurd/thread-cancel.c: If SS->cancel_hook is not null, call it before
+ resuming the thread.
+ * hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel_hook'.
+
+ * hurd/Makefile: Removed dep on hurd/signal.h for RPC stub objects.
+
+Mon Aug 21 16:37:09 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * sysdeps/i386/dl-machine.h (elf_machine_rel): Grok R_386_NONE
+ relocs, and do nothing. Why the linker generates them we may
+ never know.
+
Thu Aug 17 16:18:38 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/Makefile: Don't elide sunrpc and manual from
`subdirs' variable.
+ * sysdeps/mach/hurd/i386/intr-msg.h: New file.
* hurd/intr-msg.c: Use INTR_MSG_TRAP macro from machine-dependent
"intr-msg.h" for special syscall code, instead of i386-specific asm.
* hurd/hurdsig.c: Use INTR_MSG_BACK_OUT macro from
diff --git a/NEWS b/NEWS
index 915af45..9d4c7d6 100644
--- a/NEWS
+++ b/NEWS
@@ -75,7 +75,7 @@ Version 1.10
* The new header file <fts.h> and suite of functions simplify programs that
operate on directory trees. This code comes from 4.4 BSD.
-* The resolver code has been updated from the BIND-4.9.3-BETA24 release.
+* The resolver code has been updated from the BIND-4.9.3-BETA26 release.
* The new function `malloc_find_object_address' finds the starting address
of a malloc'd block, given any address within the block. This can be
diff --git a/hurd/thread-cancel.c b/hurd/thread-cancel.c
index db527c3..7fb8cd2 100644
--- a/hurd/thread-cancel.c
+++ b/hurd/thread-cancel.c
@@ -62,6 +62,12 @@ hurd_thread_cancel (thread_t thread)
(natural_t *) &state.basic,
MACHINE_THREAD_STATE_COUNT);
+ if (ss->cancel_hook)
+ /* The code being cancelled has a special wakeup function.
+ Calling this should make the thread wake up and check the
+ cancellation flag. */
+ (*ss->cancel_hook) ();
+
__thread_resume (thread);
}
diff --git a/inet/Makefile b/inet/Makefile
index 069485b..9389a22 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -21,7 +21,7 @@
#
subdir := inet
-headers := netinet/in.h $(wildcard arpa/*.h protocols/*.h) netdb.h
+headers := netinet/in.h $(wildcard arpa/*.h protocols/*.h)
routines := ntohl ntohs htonl htons \
inet_lnaof inet_mkadr \
diff --git a/netdb.h b/netdb.h
index e31569f..e2e1868 100644
--- a/netdb.h
+++ b/netdb.h
@@ -1 +1 @@
-#include <inet/netdb.h>
+#include <resolv/netdb.h>
diff --git a/resolv/Makefile b/resolv/Makefile
index e07cfb0..f1a8701 100644
--- a/resolv/Makefile
+++ b/resolv/Makefile
@@ -21,7 +21,7 @@
#
subdir := resolv
-headers := resolv.h arpa/nameser.h sys/bitypes.h
+headers := resolv.h netdb.h arpa/nameser.h sys/bitypes.h
distribute := ../conf/portability.h
routines := gethnamaddr getnetbyaddr getnetbyname getnetent getnetnamadr \
diff --git a/resolv/gethnamaddr.c b/resolv/gethnamaddr.c
index d3b68f7..87b4db1 100644
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -93,6 +93,7 @@ static const char AskedForGot[] =
"gethostby*.getanswer: asked for \"%s\", got \"%s\"";
static char *h_addr_ptrs[MAXADDRS + 1];
+static struct hostent *gethostbyname_ipv4 __P((const char *));
static struct hostent host;
static char *host_aliases[MAXALIASES];
@@ -156,7 +157,9 @@ getanswer(answer, anslen, qname, qclass, qtype)
int haveanswer, had_error;
int toobig = 0;
char tbuf[MAXDNAME+1];
+ const char *tname;
+ tname = qname;
host.h_name = NULL;
eom = answer->buf + anslen;
/*
@@ -249,19 +252,36 @@ getanswer(answer, anslen, qname, qclass, qtype)
buflen -= n;
continue;
}
+ if (qtype == T_PTR && type == T_CNAME) {
+ n = dn_expand(answer->buf, eom, cp, tbuf, sizeof tbuf);
+ if (n < 0) {
+ had_error++;
+ continue;
+ }
+ cp += n;
+ /* Get canonical name. */
+ n = strlen(tbuf) + 1; /* for the \0 */
+ if (n > buflen) {
+ had_error++;
+ continue;
+ }
+ strcpy(bp, tbuf);
+ tname = bp;
+ bp += n;
+ buflen -= n;
+ continue;
+ }
if (type != qtype) {
- /* CNAME->PTR should not cause a log message. */
- if (!(qtype == T_PTR && type == T_CNAME))
- syslog(LOG_NOTICE|LOG_AUTH,
+ syslog(LOG_NOTICE|LOG_AUTH,
"gethostby*.getanswer: asked for \"%s %s %s\", got type \"%s\"",
- qname, p_class(qclass), p_type(qtype),
- p_type(type));
+ qname, p_class(qclass), p_type(qtype),
+ p_type(type));
cp += n;
continue; /* XXX - had_error++ ? */
}
switch (type) {
case T_PTR:
- if (strcasecmp(qname, bp) != 0) {
+ if (strcasecmp(tname, bp) != 0) {
syslog(LOG_NOTICE|LOG_AUTH,
AskedForGot, qname, bp);
cp += n;
@@ -377,6 +397,36 @@ struct hostent *
gethostbyname(name)
const char *name;
{
+ struct hostent *hp;
+
+#if defined(AF_INET6) && defined(RES_TRY_INET6)
+ if (_res.options & RES_TRY_INET6) {
+ hp = gethostbyname2(name, AF_INET6);
+ if (hp)
+ return (hp);
+ }
+#endif
+ return (gethostbyname2(name, AF_INET));
+}
+
+struct hostent *
+gethostbyname2(name, af)
+ const char *name;
+ int af;
+{
+ switch (af) {
+ case AF_INET:
+ return (gethostbyname_ipv4(name));
+ }
+ errno = EAFNOSUPPORT;
+ h_errno = NETDB_INTERNAL;
+ return (NULL);
+}
+
+static struct hostent *
+gethostbyname_ipv4(name)
+ const char *name;
+{
querybuf buf;
register const char *cp;
int n;
@@ -727,23 +777,3 @@ dn_skipname(comp_dn, eom)
return (__dn_skipname(comp_dn, eom));
}
#endif /*old-style libc with yp junk in it*/
-
-#ifdef ultrix
-/* more icky libc packaging in ultrix */
-int
-local_hostname_length(hostname)
- const char *hostname;
-{
- int len_host, len_domain;
-
- if (!*_res.defdname)
- res_init();
- len_host = strlen(hostname);
- len_domain = strlen(_res.defdname);
- if (len_host > len_domain &&
- !strcasecmp(hostname + len_host - len_domain, _res.defdname) &&
- hostname[len_host - len_domain - 1] == '.')
- return (len_host - len_domain - 1);
- return (0);
-}
-#endif
diff --git a/resolv/inet_addr.c b/resolv/inet_addr.c
index 2a15067..01a38e6 100644
--- a/resolv/inet_addr.c
+++ b/resolv/inet_addr.c
@@ -66,10 +66,6 @@ static char rcsid[] = "$Id$";
/* these are compatibility routines, not needed on recent BSD releases */
-#ifndef NEED_INETADDR
-int __inet_addr_unneeded__;
-#else
-
/*
* Ascii internet address interpretation routine.
* The value returned is in network order.
@@ -84,11 +80,6 @@ inet_addr(cp)
return (val.s_addr);
return (INADDR_NONE);
}
-#endif /*NEED_INETADDR*/
-
-#ifndef NEED_INETATON
-int __inet_aton_unneeded__;
-#else
/*
* Check whether "cp" is a valid ascii representation
@@ -113,8 +104,10 @@ inet_aton(cp, addr)
/*
* Collect number up to ``.''.
* Values are specified as for C:
- * 0x=hex, 0=octal, other=decimal.
+ * 0x=hex, 0=octal, isdigit=decimal.
*/
+ if (!isdigit(c))
+ return (0);
val = 0; base = 10;
if (c == '0') {
c = *++cp;
@@ -123,7 +116,7 @@ inet_aton(cp, addr)
else
base = 8;
}
- while (c != '\0') {
+ for (;;) {
if (isascii(c) && isdigit(c)) {
val = (val * base) + (c - '0');
c = *++cp;
@@ -141,7 +134,7 @@ inet_aton(cp, addr)
* a.b.c (with c treated as 16 bits)
* a.b (with b treated as 24 bits)
*/
- if (pp >= parts + 3 || val > 0xff)
+ if (pp >= parts + 3)
return (0);
*pp++ = val;
c = *++cp;
@@ -151,7 +144,7 @@ inet_aton(cp, addr)
/*
* Check for trailing characters.
*/
- if (c && (!isascii(c) || (!isspace(c) && !ispunct(c))))
+ if (c != '\0' && (!isascii(c) || !isspace(c)))
return (0);
/*
* Concoct the address according to
@@ -188,4 +181,3 @@ inet_aton(cp, addr)
addr->s_addr = htonl(val);
return (1);
}
-#endif /*NEED_INETATON*/
diff --git a/inet/netdb.h b/resolv/netdb.h
index a568e2d..822b621 100644
--- a/inet/netdb.h
+++ b/resolv/netdb.h
@@ -133,6 +133,7 @@ void endprotoent __P((void));
void endservent __P((void));
struct hostent *gethostbyaddr __P((const char *, int, int));
struct hostent *gethostbyname __P((const char *));
+struct hostent *gethostbyname2 __P((const char *, int));
struct hostent *gethostent __P((void));
struct netent *getnetbyaddr __P((long, int)); /* u_long? */
struct netent *getnetbyname __P((const char *));
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 4ee52b4..f8e58f3 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -109,6 +109,13 @@ static int vc = 0; /* is the socket a virtual ciruit? */
#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p)))
#endif
+/* XXX - this should be done in portability.h */
+#if (defined(BSD) && (BSD >= 199103)) || defined(linux)
+# define CAN_RECONNECT 1
+#else
+# define CAN_RECONNECT 0
+#endif
+
#ifndef DEBUG
# define Dprint(cond, args) /*empty*/
# define DprintQ(cond, args, query, size) /*empty*/
@@ -484,7 +491,7 @@ res_send(buf, buflen, ans, anssiz)
_res_close();
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s < 0) {
-#if !defined(BSD) || (BSD < 199103)
+#if !CAN_RECONNECT
bad_dg_sock:
#endif
terrno = errno;
@@ -538,7 +545,7 @@ res_send(buf, buflen, ans, anssiz)
* for responses from more than one server.
*/
if (connected) {
-#if defined(BSD) && (BSD >= 199103)
+#if CAN_RECONNECT
struct sockaddr_in no_addr;
no_addr.sin_family = AF_INET;
diff --git a/sysdeps/mach/hurd/i386/intr-msg.h b/sysdeps/mach/hurd/i386/intr-msg.h
new file mode 100644
index 0000000..353a6d2
--- /dev/null
+++ b/sysdeps/mach/hurd/i386/intr-msg.h
@@ -0,0 +1,47 @@
+/* Machine-dependent details of interruptible RPC messaging. i386 version.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+
+#define INTR_MSG_TRAP(msg, option, send_size, rcv_size, rcv_name, timeout, notify) \
+({ \
+ error_t err; \
+ asm (".globl _hurd_intr_rpc_msg_do_trap\n" \
+ ".globl _hurd_intr_rpc_msg_in_trap\n" \
+ ".globl _hurd_intr_rpc_msg_cx_sp\n" \
+ ".globl _hurd_intr_rpc_msg_sp_restored\n" \
+ " movl %%esp, %%ecx\n" \
+ " leal %1, %%esp\n" \
+ "_hurd_intr_rpc_msg_cx_sp: movl $-25, %%eax\n" \
+ "_hurd_intr_rpc_msg_do_trap: lcall $7, $0 # status in %0\n" \
+ "_hurd_intr_rpc_msg_in_trap: movl %%ecx, %%esp\n" \
+ "_hurd_intr_rpc_msg_sp_restored:" \
+ : "=a" (err) : "m" ((&msg)[-1]) : "%ecx"); \
+ err; \
+})
+
+
+static void inline
+INTR_MSG_BACK_OUT (struct i386_thread_state *state)
+{
+ extern const void _hurd_intr_rpc_msg_cx_sp;
+ if (state->eip >= (natural_t) &_hurd_intr_rpc_msg_cx_sp)
+ state->uesp = state->ecx;
+ else
+ state->ecx = state->uesp;
+}