External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-12-22 05:35:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

security: Add swtpm paths to the domain's AppArmor profile

Browse Source 
This patch extends the AppArmor domain profile with file paths
the swtpm accesses for state, log, pid, and socket files.

Both, QEMU and swtpm, use this AppArmor profile.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: Christian Ehrhardt <christian.ehrhardt@canonical.com>
This commit is contained in:
Stefan Berger 2018-05-18 23:33:46 -04:00
parent f8c65481d5
commit 43b0b4f834
2 changed files with 50 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
examples/apparmor/libvirt-qemu
View File

@ -158,6 +158,11 @@
/usr/{lib,lib64}/qemu/*.so mr,
/usr/lib/@{multiarch}/qemu/*.so mr,
# swtpm
/{usr/,}bin/swtpm rmix,
/usr/{lib,lib64}/libswtpm_libtpms.so mr,
/usr/lib/@{multiarch}/libswtpm_libtpms.so mr,
# for save and resume
/{usr/,}bin/dash rmix,
/{usr/,}bin/dd rmix,

45
src/security/virt-aa-helper.c
View File

@ -1181,6 +1181,51 @@ get_files(vahControl * ctl)
}
}
if (ctl->def->tpm) {
char *shortName = NULL;
const char *tpmpath = NULL;
switch (ctl->def->tpm->type) {
case VIR_DOMAIN_TPM_TYPE_EMULATOR:
shortName = virDomainDefGetShortName(ctl->def);
switch (ctl->def->tpm->version) {
case VIR_DOMAIN_TPM_VERSION_1_2:
tpmpath = "tpm1.2";
break;
case VIR_DOMAIN_TPM_VERSION_2_0:
tpmpath = "tpm2";
break;
case VIR_DOMAIN_TPM_VERSION_DEFAULT:
case VIR_DOMAIN_TPM_VERSION_LAST:
break;
}
/* Unix socket for QEMU and swtpm to use */
virBufferAsprintf(&buf,
" \"/run/libvirt/qemu/swtpm/%s-swtpm.sock\" rw,\n",
shortName);
/* Paths for swtpm to use: give it access to its state
* directory, log, and PID files.
*/
virBufferAsprintf(&buf,
" \"%s/lib/libvirt/swtpm/%s/%s/**\" rw,\n",
LOCALSTATEDIR, uuidstr, tpmpath);
virBufferAsprintf(&buf,
" \"%s/log/swtpm/libvirt/qemu/%s-swtpm.log\" a,\n",
LOCALSTATEDIR, ctl->def->name);
virBufferAsprintf(&buf,
" \"/run/libvirt/qemu/swtpm/%s-swtpm.pid\" rw,\n",
shortName);
VIR_FREE(shortName);
break;
case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
case VIR_DOMAIN_TPM_TYPE_LAST:
break;
}
}
if (ctl->def->virtType == VIR_DOMAIN_VIRT_KVM) {
for (i = 0; i < ctl->def->nnets; i++) {
virDomainNetDefPtr net = ctl->def->nets[i];