virsh-secret: Refactor error paths

This patch switches string option retrieval to vshCommandOptStringReq
and refactors some error paths to avoid an unlikely memory leak of a
secret object in cmdSecretSetValue.
This commit is contained in:
Peter Krempa 2013-01-21 18:28:47 +01:00
parent 05af594bf7
commit fbe2d4940d

View File

@ -48,7 +48,7 @@ vshCommandOptSecret(vshControl *ctl, const vshCmd *cmd, const char **name)
if (!vshCmdHasOption(ctl, cmd, optname))
return NULL;
if (vshCommandOptString(cmd, optname, &n) <= 0)
if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0)
return NULL;
vshDebug(ctl, VSH_ERR_DEBUG,
@ -90,28 +90,31 @@ cmdSecretDefine(vshControl *ctl, const vshCmd *cmd)
char *buffer;
virSecretPtr res;
char uuid[VIR_UUID_STRING_BUFLEN];
bool ret = false;
if (vshCommandOptString(cmd, "file", &from) <= 0)
if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
res = virSecretDefineXML(ctl->conn, buffer, 0);
VIR_FREE(buffer);
if (res == NULL) {
if (!(res = virSecretDefineXML(ctl->conn, buffer, 0))) {
vshError(ctl, _("Failed to set attributes from %s"), from);
return false;
goto cleanup;
}
if (virSecretGetUUIDString(res, &(uuid[0])) < 0) {
vshError(ctl, "%s", _("Failed to get UUID of created secret"));
virSecretFree(res);
return false;
goto cleanup;
}
vshPrint(ctl, _("Secret %s created\n"), uuid);
ret = true;
cleanup:
VIR_FREE(buffer);
virSecretFree(res);
return true;
return ret;
}
/*
@ -188,11 +191,10 @@ cmdSecretSetValue(vshControl *ctl, const vshCmd *cmd)
int res;
bool ret = false;
secret = vshCommandOptSecret(ctl, cmd, NULL);
if (secret == NULL)
if (!(secret = vshCommandOptSecret(ctl, cmd, NULL)))
return false;
if (vshCommandOptString(cmd, "base64", &base64) <= 0)
if (vshCommandOptStringReq(ctl, cmd, "base64", &base64) < 0)
goto cleanup;
if (!base64_decode_alloc(base64, strlen(base64), &value, &value_size)) {
@ -201,7 +203,7 @@ cmdSecretSetValue(vshControl *ctl, const vshCmd *cmd)
}
if (value == NULL) {
vshError(ctl, "%s", _("Failed to allocate memory"));
return false;
goto cleanup;
}
res = virSecretSetValue(secret, (unsigned char *)value, value_size, 0);