upstream/knot-dns
1
0
Fork 0
mirror of https://gitlab.nic.cz/knot/knot-dns.git synced 2026-06-09 00:22:42 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

conf: fix ignoring of root zone dot with %s zonfile formatter

Browse source
This commit is contained in:
Daniel Salzman 2016-10-13 16:51:29 +02:00
parent 1bd5b78a82
commit fb83ae4a32
4 changed files with 68 additions and 61 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
doc/man/knot.conf.5in
View file

@ -733,8 +733,8 @@ A path to the zone file. Non absolute path is relative to
\fB%c[\fP\fIN\fP\fB]\fP or \fB%c[\fP\fIN\fP\fB\-\fP\fIM\fP\fB]\fP – means the \fIN\fPth
character or a sequence of characters beginning from the \fIN\fPth and ending
with the \fIM\fPth character of the textual zone name (see \fB%s\fP). The
indexes are counted from 0 from the left. If the character is not available,
the formatter has no effect.
indexes are counted from 0 from the left. All dots (including the terminal
one) are considered. If the character is not available, the formatter has no effect.
.IP \(bu 2
\fB%l[\fP\fIN\fP\fB]\fP – means the \fIN\fPth label of the textual zone name
(see \fB%s\fP). The index is counted from 0 from the right (0 ~ TLD).

4
doc/reference.rst
View file

@ -880,8 +880,8 @@ A path to the zone file. Non absolute path is relative to
- ``%c[``\ *N*\ ``]`` or ``%c[``\ *N*\ ``-``\ *M*\ ``]`` – means the *N*\ th
character or a sequence of characters beginning from the *N*\ th and ending
with the *M*\ th character of the textual zone name (see ``%s``). The
indexes are counted from 0 from the left. If the character is not available,
the formatter has no effect.
indexes are counted from 0 from the left. All dots (including the terminal
one) are considered. If the character is not available, the formatter has no effect.
- ``%l[``\ *N*\ ``]`` – means the *N*\ th label of the textual zone name
(see ``%s``). The index is counted from 0 from the right (0 ~ TLD).
If the label is not available, the formatter has no effect.

9
src/knot/conf/conf.c
View file

@ -841,9 +841,10 @@ static void replace_slashes(
}
}
// Remove trailing dot if not root zone.
if (remove_dot && ch - name > 1) {
*(--ch) = '\0';
// Remove trailing dot.
if (remove_dot && ch > name) {
assert(*(ch - 1) == '.');
*(ch - 1) = '\0';
}
}
@ -858,10 +859,8 @@ static int str_char(
return KNOT_EINVAL;
}
// Remove the trailing dot.
size_t zone_len = strlen(buff);
assert(zone_len > 0);
buff[zone_len--] = '\0';
// Get the block length.
size_t len = index2 - index1 + 1;

112
tests/conf.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
/* Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -19,11 +19,11 @@
#include "knot/conf/conf.c"
#include "test_conf.h"
#define ZONE1 "0/25.2.0.192.in-addr.arpa."
#define ZONE2 "."
#define ZONE3 "x."
#define ZONE4 "abc.ab.a."
#define ZONEX "unknown."
#define ZONE_ARPA "0/25.2.0.192.in-addr.arpa."
#define ZONE_ROOT "."
#define ZONE_1LABEL "x."
#define ZONE_3LABEL "abc.ab.a."
#define ZONE_UNKNOWN "unknown."
static void check_name(const char *zone, const char *name, const char *ref)
{
@ -50,11 +50,19 @@ static void check_name_err(const char *zone, const char *name)
static void test_get_filename(void)
{
// Name formatter.
char *zone = "abc";
check_name(zone, "/%s", "/abc");
zone = ".";
check_name(zone, "/%s", "/");
// Char formatter.
char *zone = "abc.def.gh";
zone = "abc.def.g";
check_name(zone, "/%c[0]", "/a");
check_name(zone, "/%c[9]", "/h");
check_name(zone, "/%c[3]", "/.");
check_name(zone, "/%c[8]", "/g");
check_name(zone, "/%c[9]", "/.");
check_name(zone, "/%c[0-1]", "/ab");
check_name(zone, "/%c[1-1]", "/b");
check_name(zone, "/%c[1-3]", "/bc.");
@ -64,21 +72,21 @@ static void test_get_filename(void)
check_name_err(zone, "/%c[a]");
check_name_err(zone, "/%c[:]");
check_name_err(zone, "/%c[/]");
check_name_err(zone, "/%c[12]");
check_name_err(zone, "/%c[10]");
check_name_err(zone, "/%c[");
check_name_err(zone, "/%c[1");
check_name_err(zone, "/%c[1-");
check_name_err(zone, "/%c[1-2");
check_name_err(zone, "/%c[1-b]");
check_name_err(zone, "/%c[9-0]");
check_name_err(zone, "/%c[8-0]");
zone = "abcd";
check_name(zone, "/%c[2-9]", "/cd");
check_name(zone, "/%c[2-9]", "/cd.");
check_name(zone, "/%c[3]", "/d");
check_name(zone, "/%c[4]", "/");
check_name(zone, "/%c[4]", "/.");
zone = ".";
check_name(zone, "/%c[0]", "/");
check_name(zone, "/%c[0]", "/.");
check_name(zone, "/%c[1]", "/");
// Label formatter.
@ -91,7 +99,7 @@ static void test_get_filename(void)
check_name_err(zone, "/%l[0-1]");
zone = ".";
check_name(zone, "/%l[0]", "/.");
check_name(zone, "/%l[0]", "/");
check_name(zone, "/%l[1]", "/");
}
@ -100,16 +108,16 @@ static void test_conf_zonefile(void)
int ret;
char *file;
knot_dname_t *zone1 = knot_dname_from_str_alloc(ZONE1);
ok(zone1 != NULL, "create dname "ZONE1);
knot_dname_t *zone2 = knot_dname_from_str_alloc(ZONE2);
ok(zone2 != NULL, "create dname "ZONE2);
knot_dname_t *zone3 = knot_dname_from_str_alloc(ZONE3);
ok(zone3 != NULL, "create dname "ZONE3);
knot_dname_t *zone4 = knot_dname_from_str_alloc(ZONE4);
ok(zone4 != NULL, "create dname "ZONE4);
knot_dname_t *zonex = knot_dname_from_str_alloc(ZONEX);
ok(zonex != NULL, "create dname "ZONEX);
knot_dname_t *zone_arpa = knot_dname_from_str_alloc(ZONE_ARPA);
ok(zone_arpa != NULL, "create dname "ZONE_ARPA);
knot_dname_t *zone_root = knot_dname_from_str_alloc(ZONE_ROOT);
ok(zone_root != NULL, "create dname "ZONE_ROOT);
knot_dname_t *zone_1label = knot_dname_from_str_alloc(ZONE_1LABEL);
ok(zone_1label != NULL, "create dname "ZONE_1LABEL);
knot_dname_t *zone_3label = knot_dname_from_str_alloc(ZONE_3LABEL);
ok(zone_3label != NULL, "create dname "ZONE_3LABEL);
knot_dname_t *zone_unknown = knot_dname_from_str_alloc(ZONE_UNKNOWN);
ok(zone_unknown != NULL, "create dname "ZONE_UNKNOWN);
const char *conf_str =
"template:\n"
@ -117,68 +125,68 @@ static void test_conf_zonefile(void)
" storage: /tmp\n"
"\n"
"zone:\n"
" - domain: "ZONE1"\n"
" - domain: "ZONE_ARPA"\n"
" file: dir/a%%b/%s.suffix/%a\n"
" - domain: "ZONE2"\n"
" - domain: "ZONE_ROOT"\n"
" file: /%s\n"
" - domain: "ZONE3"\n"
" - domain: "ZONE_1LABEL"\n"
" file: /%s\n"
" - domain: "ZONE4"\n";
" - domain: "ZONE_3LABEL"\n";
ret = test_conf(conf_str, NULL);
ok(ret == KNOT_EOK, "Prepare configuration");
// Relative path with formatters.
file = conf_zonefile(conf(), zone1);
ok(file != NULL, "Get zonefile path for "ZONE1);
file = conf_zonefile(conf(), zone_arpa);
ok(file != NULL, "Get zonefile path for "ZONE_ARPA);
if (file != NULL) {
ok(strcmp(file, "/tmp/dir/a%b/0_25.2.0.192.in-addr.arpa.suffix/") == 0,
"Zonefile path compare for "ZONE1);
"Zonefile path compare for "ZONE_ARPA);
free(file);
}
// Absolute path without formatters - root zone.
file = conf_zonefile(conf(), zone2);
ok(file != NULL, "Get zonefile path for "ZONE2);
file = conf_zonefile(conf(), zone_root);
ok(file != NULL, "Get zonefile path for "ZONE_ROOT);
if (file != NULL) {
ok(strcmp(file, "/.") == 0,
"Zonefile path compare for "ZONE2);
ok(strcmp(file, "/") == 0,
"Zonefile path compare for "ZONE_ROOT);
free(file);
}
// Absolute path without formatters.
file = conf_zonefile(conf(), zone3);
ok(file != NULL, "Get zonefile path for "ZONE3);
// Absolute path without formatters - non-root zone.
file = conf_zonefile(conf(), zone_1label);
ok(file != NULL, "Get zonefile path for "ZONE_1LABEL);
if (file != NULL) {
ok(strcmp(file, "/x") == 0,
"Zonefile path compare for "ZONE3);
"Zonefile path compare for "ZONE_1LABEL);
free(file);
}
// Default zonefile path.
file = conf_zonefile(conf(), zone4);
ok(file != NULL, "Get zonefile path for "ZONE4);
file = conf_zonefile(conf(), zone_3label);
ok(file != NULL, "Get zonefile path for "ZONE_3LABEL);
if (file != NULL) {
ok(strcmp(file, "/tmp/"ZONE4"zone") == 0,
"Zonefile path compare for "ZONE4);
ok(strcmp(file, "/tmp/abc.ab.a.zone") == 0,
"Zonefile path compare for "ZONE_3LABEL);
free(file);
}
// Unknown zone zonefile path.
file = conf_zonefile(conf(), zonex);
ok(file != NULL, "Get zonefile path for "ZONEX);
file = conf_zonefile(conf(), zone_unknown);
ok(file != NULL, "Get zonefile path for "ZONE_UNKNOWN);
if (file != NULL) {
ok(strcmp(file, "/tmp/"ZONEX"zone") == 0,
"Zonefile path compare for "ZONEX);
ok(strcmp(file, "/tmp/unknown.zone") == 0,
"Zonefile path compare for "ZONE_UNKNOWN);
free(file);
}
conf_free(conf());
knot_dname_free(&zone1, NULL);
knot_dname_free(&zone2, NULL);
knot_dname_free(&zone3, NULL);
knot_dname_free(&zone4, NULL);
knot_dname_free(&zonex, NULL);
knot_dname_free(&zone_arpa, NULL);
knot_dname_free(&zone_root, NULL);
knot_dname_free(&zone_1label, NULL);
knot_dname_free(&zone_3label, NULL);
knot_dname_free(&zone_unknown, NULL);
}
int main(int argc, char *argv[])