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757c090899
By making use of GNU C's cleanup attribute handled by the VIR_AUTOFREE macro for declaring scalar variables, majority of the VIR_FREE calls can be dropped, which in turn leads to getting rid of most of our cleanup sections. Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com> Reviewed-by: Erik Skultety <eskultet@redhat.com>
155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/*
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* virauthconfig.c: authentication config handling
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*
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* Copyright (C) 2012 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include "virauthconfig.h"
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#include "virkeyfile.h"
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#include "virlog.h"
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#include "virerror.h"
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#include "virstring.h"
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struct _virAuthConfig {
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virKeyFilePtr keyfile;
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char *path;
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};
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#define VIR_FROM_THIS VIR_FROM_NONE
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VIR_LOG_INIT("util.authconfig");
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virAuthConfigPtr virAuthConfigNew(const char *path)
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{
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virAuthConfigPtr auth;
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if (VIR_ALLOC(auth) < 0)
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goto error;
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if (VIR_STRDUP(auth->path, path) < 0)
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goto error;
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if (!(auth->keyfile = virKeyFileNew()))
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goto error;
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if (virKeyFileLoadFile(auth->keyfile, path) < 0)
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goto error;
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return auth;
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error:
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virAuthConfigFree(auth);
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return NULL;
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}
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virAuthConfigPtr virAuthConfigNewData(const char *path,
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const char *data,
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size_t len)
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{
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virAuthConfigPtr auth;
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if (VIR_ALLOC(auth) < 0)
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goto error;
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if (VIR_STRDUP(auth->path, path) < 0)
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goto error;
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if (!(auth->keyfile = virKeyFileNew()))
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goto error;
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if (virKeyFileLoadData(auth->keyfile, path, data, len) < 0)
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goto error;
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return auth;
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error:
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virAuthConfigFree(auth);
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return NULL;
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}
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void virAuthConfigFree(virAuthConfigPtr auth)
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{
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if (!auth)
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return;
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virKeyFileFree(auth->keyfile);
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VIR_FREE(auth->path);
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VIR_FREE(auth);
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}
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int virAuthConfigLookup(virAuthConfigPtr auth,
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const char *service,
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const char *hostname,
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const char *credname,
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const char **value)
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{
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VIR_AUTOFREE(char *) authgroup = NULL;
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VIR_AUTOFREE(char *) credgroup = NULL;
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const char *authcred;
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*value = NULL;
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VIR_DEBUG("Lookup '%s' '%s' '%s'", service, NULLSTR(hostname), credname);
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if (!hostname)
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hostname = "localhost";
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if (virAsprintf(&authgroup, "auth-%s-%s", service, hostname) < 0)
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return -1;
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if (!virKeyFileHasGroup(auth->keyfile, authgroup)) {
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VIR_FREE(authgroup);
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if (virAsprintf(&authgroup, "auth-%s-%s", service, "default") < 0)
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return -1;
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}
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if (!virKeyFileHasGroup(auth->keyfile, authgroup))
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return 0;
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if (!(authcred = virKeyFileGetValueString(auth->keyfile, authgroup, "credentials"))) {
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virReportError(VIR_ERR_CONF_SYNTAX,
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_("Missing item 'credentials' in group '%s' in '%s'"),
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authgroup, auth->path);
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return -1;
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}
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if (virAsprintf(&credgroup, "credentials-%s", authcred) < 0)
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return -1;
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if (!virKeyFileHasGroup(auth->keyfile, credgroup)) {
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virReportError(VIR_ERR_CONF_SYNTAX,
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_("Missing group 'credentials-%s' referenced from group '%s' in '%s'"),
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authcred, authgroup, auth->path);
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return -1;
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}
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if (!virKeyFileHasValue(auth->keyfile, credgroup, credname))
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return 0;
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*value = virKeyFileGetValueString(auth->keyfile, credgroup, credname);
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return 0;
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}
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