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util: auth: use VIR_AUTOFREE instead of VIR_FREE for scalar types

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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>
This commit is contained in:
Sukrit Bhatnagar 2018-07-13 23:24:54 +05:30 committed by Erik Skultety
parent 757c090899
commit 12614e7e25
1 changed files with 13 additions and 32 deletions
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45
src/util/virauth.c
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@ -41,10 +41,9 @@ int
virAuthGetConfigFilePathURI(virURIPtr uri,
char **path)
{
int ret = -1;
size_t i;
const char *authenv = virGetEnvBlockSUID("LIBVIRT_AUTH_FILE");
char *userdir = NULL;
VIR_AUTOFREE(char *) userdir = NULL;
*path = NULL;
@ -53,7 +52,7 @@ virAuthGetConfigFilePathURI(virURIPtr uri,
if (authenv) {
VIR_DEBUG("Using path from env '%s'", authenv);
if (VIR_STRDUP(*path, authenv) < 0)
goto cleanup;
return -1;
return 0;
}
@ -63,17 +62,17 @@ virAuthGetConfigFilePathURI(virURIPtr uri,
uri->params[i].value) {
VIR_DEBUG("Using path from URI '%s'", uri->params[i].value);
if (VIR_STRDUP(*path, uri->params[i].value) < 0)
goto cleanup;
return -1;
return 0;
}
}
}
if (!(userdir = virGetUserConfigDirectory()))
goto cleanup;
return -1;
if (virAsprintf(path, "%s/auth.conf", userdir) < 0)
goto cleanup;
return -1;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
@ -82,7 +81,7 @@ virAuthGetConfigFilePathURI(virURIPtr uri,
VIR_FREE(*path);
if (VIR_STRDUP(*path, SYSCONFDIR "/libvirt/auth.conf") < 0)
goto cleanup;
return -1;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
@ -91,13 +90,9 @@ virAuthGetConfigFilePathURI(virURIPtr uri,
VIR_FREE(*path);
done:
ret = 0;
VIR_DEBUG("Using auth file '%s'", NULLSTR(*path));
cleanup:
VIR_FREE(userdir);
return ret;
return 0;
}
@ -155,7 +150,7 @@ virAuthGetUsernamePath(const char *path,
{
unsigned int ncred;
virConnectCredential cred;
char *prompt;
VIR_AUTOFREE(char *) prompt = NULL;
char *ret = NULL;
if (virAuthGetCredential(servicename, hostname, "username", path, &ret) < 0)
@ -192,8 +187,6 @@ virAuthGetUsernamePath(const char *path,
break;
}
VIR_FREE(prompt);
return cred.result;
}
@ -205,18 +198,13 @@ virAuthGetUsername(virConnectPtr conn,
const char *defaultUsername,
const char *hostname)
{
char *ret;
char *path;
VIR_AUTOFREE(char *) path = NULL;
if (virAuthGetConfigFilePath(conn, &path) < 0)
return NULL;
ret = virAuthGetUsernamePath(path, auth, servicename,
return virAuthGetUsernamePath(path, auth, servicename,
defaultUsername, hostname);
VIR_FREE(path);
return ret;
}
@ -229,7 +217,7 @@ virAuthGetPasswordPath(const char *path,
{
unsigned int ncred;
virConnectCredential cred;
char *prompt;
VIR_AUTOFREE(char *) prompt = NULL;
char *ret = NULL;
if (virAuthGetCredential(servicename, hostname, "password", path, &ret) < 0)
@ -263,8 +251,6 @@ virAuthGetPasswordPath(const char *path,
break;
}
VIR_FREE(prompt);
return cred.result;
}
@ -276,15 +262,10 @@ virAuthGetPassword(virConnectPtr conn,
const char *username,
const char *hostname)
{
char *ret;
char *path;
VIR_AUTOFREE(char *) path = NULL;
if (virAuthGetConfigFilePath(conn, &path) < 0)
return NULL;
ret = virAuthGetPasswordPath(path, auth, servicename, username, hostname);
VIR_FREE(path);
return ret;
return virAuthGetPasswordPath(path, auth, servicename, username, hostname);
}