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提交 f9bf63e6 编写于 作者: J Ján Tomko
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SELinux: don't fail silently when no label is present 

This fixes startup of a domain with:
<seclabel type='none' model='dac'/>
on a host with selinux and dac drivers and
security_default_confined = 0

https://bugzilla.redhat.com/show_bug.cgi?id=1105939
https://bugzilla.redhat.com/show_bug.cgi?id=1102611
上级 a7b0040a
隐藏空白更改
内联 并排
Showing with 29 addition and 69 deletion
src/security/security_selinux.c
浏览文件 @ f9bf63e6
......@@ -585,7 +585,7 @@ virSecuritySELinuxGenSecurityLabel(virSecurityManagerPtr mgr,
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return rc;
return 0;
data = virSecurityManagerGetPrivateData(mgr);
......@@ -739,11 +739,7 @@ virSecuritySELinuxReserveSecurityLabel(virSecurityManagerPtr mgr,
virSecurityLabelDefPtr seclabel;
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL) {
return -1;
}
if (seclabel->type == VIR_DOMAIN_SECLABEL_STATIC)
if (!seclabel || seclabel->type == VIR_DOMAIN_SECLABEL_STATIC)
return 0;
if (getpidcon_raw(pid, &pctx) == -1) {
......@@ -1060,7 +1056,7 @@ virSecuritySELinuxSetSecurityTPMFileLabel(virSecurityManagerPtr mgr,
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return -1;
return 0;
switch (tpm->type) {
case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
......@@ -1102,7 +1098,7 @@ virSecuritySELinuxRestoreSecurityTPMFileLabelInt(virSecurityManagerPtr mgr,
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return -1;
return 0;
switch (tpm->type) {
case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
......@@ -1136,7 +1132,7 @@ virSecuritySELinuxRestoreSecurityImageLabelInt(virSecurityManagerPtr mgr,
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return -1;
return 0;
disk_seclabel = virDomainDiskDefGetSecurityLabelDef(disk,
SECURITY_SELINUX_NAME);
......@@ -1256,10 +1252,7 @@ virSecuritySELinuxSetSecurityImageLabel(virSecurityManagerPtr mgr,
cbdata.manager = mgr;
cbdata.secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (cbdata.secdef == NULL)
return -1;
if (cbdata.secdef->norelabel)
if (!cbdata.secdef || cbdata.secdef->norelabel)
return 0;
if (virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_NETWORK)
......@@ -1279,7 +1272,7 @@ virSecuritySELinuxSetSecurityHostdevLabelHelper(const char *file, void *opaque)
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
return virSecuritySELinuxSetFilecon(file, secdef->imagelabel);
}
......@@ -1397,7 +1390,7 @@ virSecuritySELinuxSetSecurityHostdevCapsLabel(virDomainDefPtr def,
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
switch (dev->source.caps.type) {
case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_STORAGE: {
......@@ -1447,10 +1440,7 @@ virSecuritySELinuxSetSecurityHostdevLabel(virSecurityManagerPtr mgr ATTRIBUTE_UN
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->norelabel)
if (!secdef || secdef->norelabel)
return 0;
switch (dev->mode) {
......@@ -1635,10 +1625,7 @@ virSecuritySELinuxRestoreSecurityHostdevLabel(virSecurityManagerPtr mgr,
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->norelabel)
if (!secdef || secdef->norelabel)
return 0;
switch (dev->mode) {
......@@ -1667,14 +1654,14 @@ virSecuritySELinuxSetSecurityChardevLabel(virDomainDefPtr def,
int ret = -1;
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return -1;
if (!seclabel || seclabel->norelabel)
return 0;
if (dev)
chr_seclabel = virDomainChrDefGetSecurityLabelDef(dev,
SECURITY_SELINUX_NAME);
if (seclabel->norelabel || (chr_seclabel && chr_seclabel->norelabel))
if (chr_seclabel && chr_seclabel->norelabel)
return 0;
if (chr_seclabel)
......@@ -1738,13 +1725,13 @@ virSecuritySELinuxRestoreSecurityChardevLabel(virSecurityManagerPtr mgr,
int ret = -1;
seclabel = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (seclabel == NULL)
return -1;
if (!seclabel || seclabel->norelabel)
return 0;
if (dev)
chr_seclabel = virDomainChrDefGetSecurityLabelDef(dev,
SECURITY_SELINUX_NAME);
if (seclabel->norelabel || (chr_seclabel && chr_seclabel->norelabel))
if (chr_seclabel && chr_seclabel->norelabel)
return 0;
switch (dev_source->type) {
......@@ -1864,7 +1851,7 @@ virSecuritySELinuxRestoreSecurityAllLabel(virSecurityManagerPtr mgr,
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
if (secdef->norelabel || data->skipAllLabel)
return 0;
......@@ -1925,7 +1912,7 @@ virSecuritySELinuxReleaseSecurityLabel(virSecurityManagerPtr mgr,
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
if (secdef->type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
if (secdef->label != NULL) {
......@@ -1953,10 +1940,7 @@ virSecuritySELinuxSetSavedStateLabel(virSecurityManagerPtr mgr ATTRIBUTE_UNUSED,
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->norelabel)
if (!secdef || secdef->norelabel)
return 0;
return virSecuritySELinuxSetFilecon(savefile, secdef->imagelabel);
......@@ -1971,10 +1955,7 @@ virSecuritySELinuxRestoreSavedStateLabel(virSecurityManagerPtr mgr,
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->norelabel)
if (!secdef || secdef->norelabel)
return 0;
return virSecuritySELinuxRestoreSecurityFileLabel(mgr, savefile);
......@@ -1989,7 +1970,7 @@ virSecuritySELinuxSecurityVerify(virSecurityManagerPtr mgr ATTRIBUTE_UNUSED,
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
if (!STREQ(SECURITY_SELINUX_NAME, secdef->model)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
......@@ -2018,10 +1999,7 @@ virSecuritySELinuxSetSecurityProcessLabel(virSecurityManagerPtr mgr ATTRIBUTE_UN
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
VIR_DEBUG("label=%s", secdef->label);
......@@ -2055,10 +2033,7 @@ virSecuritySELinuxSetSecurityChildProcessLabel(virSecurityManagerPtr mgr ATTRIBU
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
VIR_DEBUG("label=%s", secdef->label);
......@@ -2088,10 +2063,7 @@ virSecuritySELinuxSetSecurityDaemonSocketLabel(virSecurityManagerPtr mgr ATTRIBU
int rc = -1;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
if (!STREQ(SECURITY_SELINUX_NAME, secdef->model)) {
......@@ -2138,10 +2110,7 @@ virSecuritySELinuxSetSecuritySocketLabel(virSecurityManagerPtr mgr ATTRIBUTE_UNU
int rc = -1;
secdef = virDomainDefGetSecurityLabelDef(vm, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
if (!STREQ(SECURITY_SELINUX_NAME, secdef->model)) {
......@@ -2179,10 +2148,7 @@ virSecuritySELinuxClearSecuritySocketLabel(virSecurityManagerPtr mgr ATTRIBUTE_U
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
if (!STREQ(SECURITY_SELINUX_NAME, secdef->model)) {
......@@ -2264,7 +2230,7 @@ virSecuritySELinuxSetSecurityAllLabel(virSecurityManagerPtr mgr,
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
return 0;
if (secdef->norelabel || data->skipAllLabel)
return 0;
......@@ -2337,10 +2303,7 @@ virSecuritySELinuxSetImageFDLabel(virSecurityManagerPtr mgr ATTRIBUTE_UNUSED,
virSecurityLabelDefPtr secdef;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return -1;
if (secdef->imagelabel == NULL)
if (!secdef || !secdef->imagelabel)
return 0;
return virSecuritySELinuxFSetFilecon(fd, secdef->imagelabel);
......@@ -2358,10 +2321,7 @@ virSecuritySELinuxSetTapFDLabel(virSecurityManagerPtr mgr,
int rc = -1;
secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_SELINUX_NAME);
if (secdef == NULL)
return rc;
if (secdef->label == NULL)
if (!secdef || !secdef->label)
return 0;
if (fstat(fd, &buf) < 0) {
......
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