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virtio-9p: Introduces an option to specify the security model.

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The new option is:

-fsdev fstype,id=myid,path=/share_path/,security_model=[mapped|passthrough]
-virtfs fstype,path=/share_path/,security_model=[mapped|passthrough],mnt_tag=tag

In the case of mapped security model, files are created with QEMU user
credentials and the client-user's credentials are saved in extended attributes.
Whereas in the case of passthrough security model, files on the
filesystem are directly created with client-user's credentials.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2010-06-14 13:34:40 -07:00 • committed by Anthony Liguori
parent fac4f11147
commit 9ce56db6f0
6 changed files with 50 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

9
fsdev/qemu-fsdev.c
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@ -34,7 +34,7 @@ int qemu_fsdev_add(QemuOpts *opts)
return -1;
}
for (i = 0; i < ARRAY_SIZE(FsTypes); i++) {
for (i = 0; i < ARRAY_SIZE(FsTypes); i++) {
if (strcmp(FsTypes[i].name, qemu_opt_get(opts, "fstype")) == 0) {
break;
}
@ -46,10 +46,17 @@ int qemu_fsdev_add(QemuOpts *opts)
return -1;
}
if (qemu_opt_get(opts, "security_model") == NULL) {
fprintf(stderr, "fsdev: No security_model specified.\n");
return -1;
}
fsle = qemu_malloc(sizeof(*fsle));
fsle->fse.fsdev_id = qemu_strdup(qemu_opts_id(opts));
fsle->fse.path = qemu_strdup(qemu_opt_get(opts, "path"));
fsle->fse.security_model = qemu_strdup(qemu_opt_get(opts,
"security_model"));
fsle->fse.ops = FsTypes[i].ops;
QTAILQ_INSERT_TAIL(&fstype_entries, fsle, next);