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util: remove virKeyFile

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The functionality is now provided by glib's GKeyFile.

Signed-off-by: Rafael Fonseca <r4f4rfs@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Rafael Fonseca 2020-03-23 14:19:13 +01:00 committed by Michal Privoznik
parent 5084091a5a
commit 8ffc7e9190
7 changed files with 1 additions and 552 deletions
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1
po/POTFILES.in
View File

@ -259,7 +259,6 @@
@SRCDIR@/src/util/viriptables.c
@SRCDIR@/src/util/viriscsi.c
@SRCDIR@/src/util/virjson.c
@SRCDIR@/src/util/virkeyfile.c
@SRCDIR@/src/util/virlease.c
@SRCDIR@/src/util/virlockspace.c
@SRCDIR@/src/util/virlog.c

10
src/libvirt_private.syms
View File

@ -2378,16 +2378,6 @@ virKeycodeValueFromString;
virKeycodeValueTranslate;
# util/virkeyfile.h
virKeyFileFree;
virKeyFileGetValueString;
virKeyFileHasGroup;
virKeyFileHasValue;
virKeyFileLoadData;
virKeyFileLoadFile;
virKeyFileNew;
# util/virkmod.h
virKModConfig;
virKModIsBlacklisted;

2
src/util/Makefile.inc.am
View File

@ -108,8 +108,6 @@ UTIL_SOURCES = \
util/virjson.h \
util/virkeycode.c \
util/virkeycode.h \
util/virkeyfile.c \
util/virkeyfile.h \
util/virlease.c \
util/virlease.h \
util/virlockspace.c \

354
src/util/virkeyfile.c
View File

@ -1,354 +0,0 @@
/*
* virkeyfile.c: "ini"-style configuration file handling
*
* Copyright (C) 2012-2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "virlog.h"
#include "viralloc.h"
#include "virfile.h"
#include "virutil.h"
#include "virhash.h"
#include "virkeyfile.h"
#include "virerror.h"
#include "virstring.h"
#define VIR_FROM_THIS VIR_FROM_CONF
VIR_LOG_INIT("util.keyfile");
typedef struct _virKeyFileGroup virKeyFileGroup;
typedef virKeyFileGroup *virKeyFileGroupPtr;
typedef struct _virKeyFileParserCtxt virKeyFileParserCtxt;
typedef virKeyFileParserCtxt *virKeyFileParserCtxtPtr;
struct _virKeyFile {
virHashTablePtr groups;
};
struct _virKeyFileParserCtxt {
virKeyFilePtr conf;
const char *filename;
const char *base;
const char *cur;
const char *end;
size_t line;
char *groupname;
virHashTablePtr group;
};
/*
* The grammar for the keyfile
*
* KEYFILE = (GROUP | COMMENT | BLANK )*
*
* COMMENT = ('#' | ';') [^\n]* '\n'
* BLANK = (' ' | '\t' )* '\n'
*
* GROUP = '[' GROUPNAME ']' '\n' (ENTRY ) *
* GROUPNAME = [^[]\n]+
*
* ENTRY = KEYNAME '=' VALUE
* VALUE = [^\n]* '\n'
* KEYNAME = [-a-zA-Z0-9]+
*/
#define IS_EOF (ctxt->cur >= ctxt->end)
#define IS_EOL(c) (((c) == '\n') || ((c) == '\r'))
#define IS_BLANK(c) (((c) == ' ') || ((c) == '\t'))
#define IS_ASCII(c) (((unsigned char) (c)) < 128)
#define CUR (*ctxt->cur)
#define NEXT if (!IS_EOF) ctxt->cur++;
#define virKeyFileError(ctxt, error, info) \
virKeyFileErrorHelper(__FILE__, __FUNCTION__, __LINE__, ctxt, error, info)
static void
virKeyFileErrorHelper(const char *file, const char *func, size_t line,
virKeyFileParserCtxtPtr ctxt,
virErrorNumber error, const char *info)
{
/* Construct the string 'filename:line: info' if we have that. */
if (ctxt && ctxt->filename) {
virReportErrorHelper(VIR_FROM_CONF, error, file, func, line,
_("%s:%zu: %s '%s'"), ctxt->filename, ctxt->line, info, ctxt->cur);
} else {
virReportErrorHelper(VIR_FROM_CONF, error, file, func, line,
"%s", info);
}
}
static int virKeyFileParseGroup(virKeyFileParserCtxtPtr ctxt)
{
int ret = -1;
const char *name;
NEXT;
ctxt->group = NULL;
VIR_FREE(ctxt->groupname);
name = ctxt->cur;
while (!IS_EOF && IS_ASCII(CUR) && CUR != ']')
ctxt->cur++;
if (CUR != ']') {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "cannot find end of group name, expected ']'");
return -1;
}
ctxt->groupname = g_strndup(name, ctxt->cur - name);
NEXT;
if (!(ctxt->group = virHashCreate(10, virHashValueFree)))
goto cleanup;
if (virHashAddEntry(ctxt->conf->groups, ctxt->groupname, ctxt->group) < 0)
goto cleanup;
ret = 0;
cleanup:
if (ret != 0) {
virHashFree(ctxt->group);
ctxt->group = NULL;
VIR_FREE(ctxt->groupname);
}
return ret;
}
static int virKeyFileParseValue(virKeyFileParserCtxtPtr ctxt)
{
int ret = -1;
const char *keystart;
const char *valuestart;
char *key = NULL;
char *value = NULL;
size_t len;
if (!ctxt->groupname || !ctxt->group) {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "value found before first group");
return -1;
}
keystart = ctxt->cur;
while (!IS_EOF && g_ascii_isalnum(CUR) && CUR != '=')
ctxt->cur++;
if (CUR != '=') {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "expected end of value name, expected '='");
return -1;
}
key = g_strndup(keystart, ctxt->cur - keystart);
NEXT;
valuestart = ctxt->cur;
while (!IS_EOF && !IS_EOL(CUR))
ctxt->cur++;
if (!(IS_EOF || IS_EOL(CUR))) {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "unexpected end of value");
goto cleanup;
}
len = ctxt->cur - valuestart;
if (IS_EOF && !IS_EOL(CUR))
len++;
value = g_strndup(valuestart, len);
if (virHashAddEntry(ctxt->group, key, value) < 0) {
VIR_FREE(value);
goto cleanup;
}
NEXT;
ret = 0;
cleanup:
VIR_FREE(key);
return ret;
}
static int virKeyFileParseComment(virKeyFileParserCtxtPtr ctxt)
{
NEXT;
while (!IS_EOF && !IS_EOL(CUR))
ctxt->cur++;
NEXT;
return 0;
}
static int virKeyFileParseBlank(virKeyFileParserCtxtPtr ctxt)
{
while ((ctxt->cur < ctxt->end) && IS_BLANK(CUR))
ctxt->cur++;
if (!((ctxt->cur == ctxt->end) || IS_EOL(CUR))) {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "expected newline");
return -1;
}
NEXT;
return 0;
}
static int virKeyFileParseStatement(virKeyFileParserCtxtPtr ctxt)
{
int ret = -1;
if (CUR == '[') {
ret = virKeyFileParseGroup(ctxt);
} else if (g_ascii_isalnum(CUR)) {
ret = virKeyFileParseValue(ctxt);
} else if (CUR == '#' || CUR == ';') {
ret = virKeyFileParseComment(ctxt);
} else if (IS_BLANK(CUR) || IS_EOL(CUR)) {
ret = virKeyFileParseBlank(ctxt);
} else {
virKeyFileError(ctxt, VIR_ERR_CONF_SYNTAX, "unexpected statement");
}
return ret;
}
static int virKeyFileParse(virKeyFilePtr conf,
const char *filename,
const char *data,
size_t len)
{
virKeyFileParserCtxt ctxt;
int ret = -1;
VIR_DEBUG("Parse %p '%s' %p %zu", conf, filename, data, len);
memset(&ctxt, 0, sizeof(ctxt));
ctxt.filename = filename;
ctxt.base = ctxt.cur = data;
ctxt.end = data + len - 1;
ctxt.line = 1;
ctxt.conf = conf;
while (ctxt.cur < ctxt.end) {
if (virKeyFileParseStatement(&ctxt) < 0)
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(ctxt.groupname);
return ret;
}
static void virKeyFileEntryFree(void *payload)
{
virHashFree(payload);
}
virKeyFilePtr virKeyFileNew(void)
{
virKeyFilePtr conf;
if (VIR_ALLOC(conf) < 0)
goto error;
if (!(conf->groups = virHashCreate(10,
virKeyFileEntryFree)))
goto error;
return conf;
error:
virKeyFileFree(conf);
return NULL;
}
#define MAX_CONFIG_FILE_SIZE (1024 * 1024)
int virKeyFileLoadFile(virKeyFilePtr conf,
const char *filename)
{
char *data = NULL;
ssize_t len;
int ret;
if ((len = virFileReadAll(filename, MAX_CONFIG_FILE_SIZE, &data)) < 0)
return -1;
ret = virKeyFileParse(conf, filename, data, len);
VIR_FREE(data);
return ret;
}
int virKeyFileLoadData(virKeyFilePtr conf,
const char *path,
const char *data,
size_t len)
{
return virKeyFileParse(conf, path, data, len);
}
void virKeyFileFree(virKeyFilePtr conf)
{
if (!conf)
return;
virHashFree(conf->groups);
VIR_FREE(conf);
}
bool virKeyFileHasGroup(virKeyFilePtr conf,
const char *groupname)
{
VIR_DEBUG("conf=%p groupname=%s", conf, groupname);
return virHashLookup(conf->groups, groupname) != NULL;
}
bool virKeyFileHasValue(virKeyFilePtr conf,
const char *groupname,
const char *valuename)
{
virHashTablePtr group = virHashLookup(conf->groups, groupname);
VIR_DEBUG("conf=%p groupname=%s valuename=%s", conf, groupname, valuename);
return group && virHashLookup(group, valuename) != NULL;
}
const char *virKeyFileGetValueString(virKeyFilePtr conf,
const char *groupname,
const char *valuename)
{
virHashTablePtr group = virHashLookup(conf->groups, groupname);
VIR_DEBUG("conf=%p groupname=%s valuename=%s", conf, groupname, valuename);
return virHashLookup(group, valuename);
}

58
src/util/virkeyfile.h
View File

@ -1,58 +0,0 @@
/*
* virkeyfile.h: "ini"-style configuration file handling
*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "internal.h"
/**
* virKeyFilePtr:
* a pointer to a parsed configuration file
*/
typedef struct _virKeyFile virKeyFile;
typedef virKeyFile *virKeyFilePtr;
virKeyFilePtr virKeyFileNew(void);
int virKeyFileLoadFile(virKeyFilePtr conf,
const char *filename)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
int virKeyFileLoadData(virKeyFilePtr conf,
const char *filename,
const char *data,
size_t len)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
void virKeyFileFree(virKeyFilePtr conf);
bool virKeyFileHasGroup(virKeyFilePtr conf,
const char *groupname)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
bool virKeyFileHasValue(virKeyFilePtr conf,
const char *groupname,
const char *valuename)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
const char *virKeyFileGetValueString(virKeyFilePtr conf,
const char *groupname,
const char *valuename)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);

6
tests/Makefile.am
View File

@ -176,7 +176,7 @@ test_programs = virshtest sockettest \
commandtest seclabeltest \
virhashtest virconftest \
utiltest shunloadtest \
virtimetest viruritest virkeyfiletest \
virtimetest viruritest \
viralloctest \
virauthconfigtest \
virbitmaptest \
@ -1397,10 +1397,6 @@ viruritest_SOURCES = \
viruritest.c testutils.h testutils.c
viruritest_LDADD = $(LDADDS)
virkeyfiletest_SOURCES = \
virkeyfiletest.c testutils.h testutils.c
virkeyfiletest_LDADD = $(LDADDS)
viralloctest_SOURCES = \
viralloctest.c testutils.h testutils.c
viralloctest_LDADD = $(LDADDS)

122
tests/virkeyfiletest.c
View File

@ -1,122 +0,0 @@
/*
* Copyright (C) 2011, 2012, 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <signal.h>
#include "testutils.h"
#include "virerror.h"
#include "viralloc.h"
#include "virlog.h"
#include "virkeyfile.h"
#define VIR_FROM_THIS VIR_FROM_RPC
VIR_LOG_INIT("tests.keyfiletest");
static int testParse(const void *args G_GNUC_UNUSED)
{
static const char *cfg1 =
"# Some config\n"
"\n"
"# The first group\n"
"[Foo]\n"
"one=The first entry is here\n"
"two=The second entry\n"
" \n"
"three=The third entry\n"
"[Bar]\n"
"; Another comment\n"
"one=The first entry in second group";
virKeyFilePtr kf = virKeyFileNew();
int ret = -1;
if (virKeyFileLoadData(kf, "demo.conf", cfg1, strlen(cfg1)) < 0)
goto cleanup;
if (!virKeyFileHasGroup(kf, "Foo")) {
VIR_DEBUG("Missing group 'Foo'");
goto cleanup;
}
if (!virKeyFileHasValue(kf, "Foo", "one")) {
VIR_DEBUG("Missing Value 'Foo.one'");
goto cleanup;
}
if (!virKeyFileHasValue(kf, "Foo", "two")) {
VIR_DEBUG("Missing Value 'Foo.two'");
goto cleanup;
}
if (!virKeyFileHasValue(kf, "Foo", "three")) {
VIR_DEBUG("Missing Value 'Foo.three'");
goto cleanup;
}
if (STRNEQ(virKeyFileGetValueString(kf, "Foo", "one"),
"The first entry is here")) {
VIR_DEBUG("Wrong value for 'Foo.one'");
goto cleanup;
}
if (STRNEQ(virKeyFileGetValueString(kf, "Foo", "two"),
"The second entry")) {
VIR_DEBUG("Wrong value for 'Foo.one'");
goto cleanup;
}
if (STRNEQ(virKeyFileGetValueString(kf, "Foo", "three"),
"The third entry")) {
VIR_DEBUG("Wrong value for 'Foo.one'");
goto cleanup;
}
if (!virKeyFileHasGroup(kf, "Bar")) {
VIR_DEBUG("Missing group 'Bar'");
goto cleanup;
}
if (!virKeyFileHasValue(kf, "Bar", "one")) {
VIR_DEBUG("Missing Value 'Bar.one'");
goto cleanup;
}
if (STRNEQ(virKeyFileGetValueString(kf, "Bar", "one"),
"The first entry in second group")) {
VIR_DEBUG("Wrong value for 'Bar.one'");
goto cleanup;
}
ret = 0;
cleanup:
virKeyFileFree(kf);
return ret;
}
static int
mymain(void)
{
int ret = 0;
#ifndef WIN32
signal(SIGPIPE, SIG_IGN);
#endif /* WIN32 */
if (virTestRun("Test parse", testParse, NULL) < 0)
ret = -1;
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)