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[src/netbsd-9]: src/usr.sbin/npf/npfctl Pull up following revision(s) (reques...



details:   https://anonhg.NetBSD.org/src/rev/92fdd7341007
branches:  netbsd-9
changeset: 453126:92fdd7341007
user:      martin <martin%NetBSD.org@localhost>
date:      Sun Aug 11 10:12:18 2019 +0000

description:
Pull up following revision(s) (requested by rmind in ticket #45):

        usr.sbin/npf/npfctl/npf_show.c: revision 1.29

npfctl show/validate: fix couple bugs in multiple table/port representation.
Fixes PR/54122.

diffstat:

 usr.sbin/npf/npfctl/npf_show.c |  46 +++++++++++++++++++++++++++--------------
 1 files changed, 30 insertions(+), 16 deletions(-)

diffs (96 lines):

diff -r 3ff1fbdbd6e9 -r 92fdd7341007 usr.sbin/npf/npfctl/npf_show.c
--- a/usr.sbin/npf/npfctl/npf_show.c    Sun Aug 11 10:10:23 2019 +0000
+++ b/usr.sbin/npf/npfctl/npf_show.c    Sun Aug 11 10:12:18 2019 +0000
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * Copyright (c) 2013-2019 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: npf_show.c,v 1.28 2019/07/23 00:52:02 rmind Exp $");
+__RCSID("$NetBSD: npf_show.c,v 1.28.2.1 2019/08/11 10:12:18 martin Exp $");
 
 #include <sys/socket.h>
 #define        __FAVOR_BSD
@@ -220,21 +220,29 @@
 }
 
 static char *
-print_portrange(npf_conf_info_t *ctx, const uint32_t *words)
+print_pbarrier(npf_conf_info_t *ctx, const uint32_t *words __unused)
+{
+       if (ctx->curmark == BM_SRC_PORTS && (ctx->flags & SEEN_SRC) == 0) {
+               ctx->flags |= SEEN_SRC;
+               return estrdup("from any");
+       }
+       if (ctx->curmark == BM_DST_PORTS && (ctx->flags & SEEN_DST) == 0) {
+               ctx->flags |= SEEN_DST;
+               return estrdup("to any");
+       }
+       return NULL;
+}
+
+static char *
+print_portrange(npf_conf_info_t *ctx __unused, const uint32_t *words)
 {
        u_int fport = words[0], tport = words[1];
-       const char *any_str = "";
        char *p;
 
-       if (ctx->curmark == BM_SRC_PORTS && (ctx->flags & SEEN_SRC) == 0)
-               any_str = "from any ";
-       if (ctx->curmark == BM_DST_PORTS && (ctx->flags & SEEN_DST) == 0)
-               any_str = "to any ";
-
        if (fport != tport) {
-               easprintf(&p, "%sport %u:%u", any_str, fport, tport);
+               easprintf(&p, "%u-%u", fport, tport);
        } else {
-               easprintf(&p, "%sport %u", any_str, fport);
+               easprintf(&p, "%u", fport);
        }
        return p;
 }
@@ -283,12 +291,14 @@
        { BM_ICMP_CODE, "code %s",      NULL, 0,        print_number,   1 },
 
        { BM_SRC_CIDR,  "from %s",      ", ", SEEN_SRC, print_address,  6 },
-       { BM_SRC_TABLE, "from %s",      NULL, SEEN_SRC, print_table,    1 },
-       { BM_SRC_PORTS, "%s",           ", ", 0,        print_portrange,2 },
+       { BM_SRC_TABLE, "from %s",      ", ", SEEN_SRC, print_table,    1 },
+       { BM_SRC_PORTS, "%s",           NULL, 0,        print_pbarrier, 2 },
+       { BM_SRC_PORTS, "port %s",      ", ", 0,        print_portrange,2 },
 
        { BM_DST_CIDR,  "to %s",        ", ", SEEN_DST, print_address,  6 },
-       { BM_DST_TABLE, "to %s",        NULL, SEEN_DST, print_table,    1 },
-       { BM_DST_PORTS, "%s",           ", ", 0,        print_portrange,2 },
+       { BM_DST_TABLE, "to %s",        ", ", SEEN_DST, print_table,    1 },
+       { BM_DST_PORTS, "%s",           NULL, 0,        print_pbarrier, 2 },
+       { BM_DST_PORTS, "port %s",      ", ", 0,        print_portrange,2 },
 };
 
 static const char * __attribute__((format_arg(2)))
@@ -314,13 +324,17 @@
                        errx(EXIT_FAILURE, "byte-code marking inconsistency");
                }
                if (m == mk->mark) {
+                       char *val;
+
                        /* Set the current mark and the flags. */
                        ctx->flags |= mk->set_flags;
                        ctx->curmark = m;
 
                        /* Value is processed by the print function. */
                        assert(mk->fwords == nwords);
-                       vals[nvals++] = mk->printfn(ctx, marks);
+                       if ((val = mk->printfn(ctx, marks)) != NULL) {
+                               vals[nvals++] = val;
+                       }
                }
                marks += nwords;
                mlen -= nwords;



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