Hi Serge,
On Mon, 2014-07-14 at 13:55 +0000, Serge Hallyn wrote:
> Quoting Cédric Bosdonnat (cbosdonnat@xxxxxxxx):
>
> > diff --git a/examples/apparmor/libvirt-lxc b/examples/apparmor/libvirt-lxc
> > index d404328..4bfb503 100644
> > --- a/examples/apparmor/libvirt-lxc
> > +++ b/examples/apparmor/libvirt-lxc
> > @@ -2,16 +2,115 @@
>
> Hi,
>
> this being a verbatim copy from lxc's policy, is there any plan for
> keeping the policy uptodate as the lxc policy is updated?
Well... ATM I have nothing planned to keep it up to date. But I can
write a script to check if there are changes in the lxc policy we could
merge.
> Does lxc-enter-namespace --cmd /bin/bash still work? (I would expect so)
Yes, it still works.
> > diff --git a/src/security/security_apparmor.c b/src/security/security_apparmor.c
> > index 1e2a38b..778d233 100644
> > --- a/src/security/security_apparmor.c
> > +++ b/src/security/security_apparmor.c
> > @@ -351,26 +351,36 @@ AppArmorSetSecuritySCSILabel(virSCSIDevicePtr dev ATTRIBUTE_UNUSED,
> > static int
> > AppArmorSecurityManagerProbe(const char *virtDriver ATTRIBUTE_UNUSED)
> > {
> > - char *template = NULL;
> > + char *template_qemu = NULL;
> > + char *template_lxc = NULL;
> > int rc = SECURITY_DRIVER_DISABLE;
> >
> > if (use_apparmor() < 0)
> > return rc;
> >
> > /* see if template file exists */
> > - if (virAsprintf(&template, "%s/TEMPLATE",
> > + if (virAsprintf(&template_qemu, "%s/TEMPLATE.qemu",
> > APPARMOR_DIR "/libvirt") == -1)
> > return rc;
> >
> > - if (!virFileExists(template)) {
> > + if (virAsprintf(&template_lxc, "%s/TEMPLATE.lxc",
> > + APPARMOR_DIR "/libvirt") == -1)
>
> (This remains a bug, a 'goto cleanup' is needed here)
Oops, indeed... seems like I went blind. Patch v3 just sent with that
fix in.
--
Cedric
> > +
> > + if (!virFileExists(template_qemu)) {
> > + virReportError(VIR_ERR_INTERNAL_ERROR,
> > + _("template \'%s\' does not exist"), template_qemu);
> > + goto cleanup;
> > + }
> > + if (!virFileExists(template_lxc)) {
> > virReportError(VIR_ERR_INTERNAL_ERROR,
> > - _("template \'%s\' does not exist"), template);
> > + _("template \'%s\' does not exist"), template_lxc);
> > goto cleanup;
> > }
> > rc = SECURITY_DRIVER_ENABLE;
> >
> > cleanup:
> > - VIR_FREE(template);
> > + VIR_FREE(template_qemu);
> > + VIR_FREE(template_lxc);
> >
> > return rc;
> > }
> > diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
> > index d563b98..2a09145 100644
> > --- a/src/security/virt-aa-helper.c
> > +++ b/src/security/virt-aa-helper.c
> > @@ -336,24 +336,20 @@ create_profile(const char *profile, const char *profile_name,
> > char *pcontent = NULL;
> > char *replace_name = NULL;
> > char *replace_files = NULL;
> > - char *replace_driver = NULL;
> > const char *template_name = "\nprofile LIBVIRT_TEMPLATE";
> > const char *template_end = "\n}";
> > - const char *template_driver = "libvirt-driver";
> > int tlen, plen;
> > int fd;
> > int rc = -1;
> > - const char *driver_name = "qemu";
> > -
> > - if (virtType == VIR_DOMAIN_VIRT_LXC)
> > - driver_name = "lxc";
> >
> > if (virFileExists(profile)) {
> > vah_error(NULL, 0, _("profile exists"));
> > goto end;
> > }
> >
> > - if (virAsprintfQuiet(&template, "%s/TEMPLATE", APPARMOR_DIR "/libvirt") < 0) {
> > +
> > + if (virAsprintfQuiet(&template, "%s/TEMPLATE.%s", APPARMOR_DIR "/libvirt",
> > + virDomainVirtTypeToString(virtType)) < 0) {
> > vah_error(NULL, 0, _("template name exceeds maximum length"));
> > goto end;
> > }
> > @@ -378,11 +374,6 @@ create_profile(const char *profile, const char *profile_name,
> > goto clean_tcontent;
> > }
> >
> > - if (strstr(tcontent, template_driver) == NULL) {
> > - vah_error(NULL, 0, _("no replacement string in template"));
> > - goto clean_tcontent;
> > - }
> > -
> > /* '\nprofile <profile_name>\0' */
> > if (virAsprintfQuiet(&replace_name, "\nprofile %s", profile_name) == -1) {
> > vah_error(NULL, 0, _("could not allocate memory for profile name"));
> > @@ -397,15 +388,7 @@ create_profile(const char *profile, const char *profile_name,
> > goto clean_tcontent;
> > }
> >
> > - /* 'libvirt-<driver_name>\0' */
> > - if (virAsprintfQuiet(&replace_driver, "libvirt-%s", driver_name) == -1) {
> > - vah_error(NULL, 0, _("could not allocate memory for profile driver"));
> > - VIR_FREE(replace_driver);
> > - goto clean_tcontent;
> > - }
> > -
> > - plen = tlen + strlen(replace_name) - strlen(template_name) +
> > - strlen(replace_driver) - strlen(template_driver) + 1;
> > + plen = tlen + strlen(replace_name) - strlen(template_name) + 1;
> >
> > if (virtType != VIR_DOMAIN_VIRT_LXC)
> > plen += strlen(replace_files) - strlen(template_end);
> > @@ -422,9 +405,6 @@ create_profile(const char *profile, const char *profile_name,
> > pcontent[0] = '\0';
> > strcpy(pcontent, tcontent);
> >
> > - if (replace_string(pcontent, plen, template_driver, replace_driver) < 0)
> > - goto clean_all;
> > -
> > if (replace_string(pcontent, plen, template_name, replace_name) < 0)
> > goto clean_all;
> >
> > @@ -455,7 +435,6 @@ create_profile(const char *profile, const char *profile_name,
> > clean_replace:
> > VIR_FREE(replace_name);
> > VIR_FREE(replace_files);
> > - VIR_FREE(replace_driver);
> > clean_tcontent:
> > VIR_FREE(tcontent);
> > end:
> > --
> > 1.8.4.5
> >
> > --
> > libvir-list mailing list
> > libvir-list@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/libvir-list
>
> --
> libvir-list mailing list
> libvir-list@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/libvir-list
>
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