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virDomainCreate(XML)WithFiles: Add check for VIR_DRV_FEATURE_FD_PASSING

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All APIs using FD passing have this check to prevent sending a
'VIR_NET_CALL_WITH_FDS' to an older daemon but
virDomainCreateXMLWithFiles was missing it.

Now the LXC driver was historically not exposing
VIR_DRV_FEATURE_FD_PASSING, but that is not a problem as LXC always goes
through the remote driver which intercepts it and injects
VIR_DRV_FEATURE_FD_PASSING when it was implemented.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Peter Krempa 2022-02-16 16:33:22 +01:00
parent ef476708f3
commit 1c71e06619
1 changed files with 24 additions and 0 deletions
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24
src/libvirt-domain.c
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@ -244,6 +244,18 @@ virDomainCreateXMLWithFiles(virConnectPtr conn, const char *xmlDesc,
virCheckNonNullArgGoto(xmlDesc, error);
virCheckReadOnlyGoto(conn->flags, error);
if (nfiles > 0) {
int rc;
if ((rc = VIR_DRV_SUPPORTS_FEATURE(conn->driver, conn,
VIR_DRV_FEATURE_FD_PASSING)) <= 0) {
if (rc == 0)
virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
_("fd passing is not supported by this connection"));
goto error;
}
}
if (conn->driver->domainCreateXMLWithFiles) {
virDomainPtr ret;
ret = conn->driver->domainCreateXMLWithFiles(conn, xmlDesc,
@ -6869,6 +6881,18 @@ virDomainCreateWithFiles(virDomainPtr domain, unsigned int nfiles,
virCheckReadOnlyGoto(conn->flags, error);
if (nfiles > 0) {
int rc;
if ((rc = VIR_DRV_SUPPORTS_FEATURE(conn->driver, conn,
VIR_DRV_FEATURE_FD_PASSING)) <= 0) {
if (rc == 0)
virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s",
_("fd passing is not supported by this connection"));
goto error;
}
}
if (conn->driver->domainCreateWithFiles) {
int ret;
ret = conn->driver->domainCreateWithFiles(domain,