9pfs: prevent opening special files (CVE-2023-2861)

[mirror_qemu.git] / fsdev / qemu-fsdev-opts.c

diff --git a/fsdev/qemu-fsdev-opts.c b/fsdev/qemu-fsdev-opts.c
index 385423f02db61989f33f5dd86faf53eb726bdbc0..07a18c6e48d3122d69e21a486008ee539cfcafeb 100644 (file)
--- a/fsdev/qemu-fsdev-opts.c
+++ b/fsdev/qemu-fsdev-opts.c
@@ -9,6 +9,7 @@
 #include "qemu/config-file.h"
 #include "qemu/option.h"
 #include "qemu/module.h"
+#include "qemu/throttle-options.h"
 
 static QemuOptsList qemu_fsdev_opts = {
     .name = "fsdev",
@@ -30,7 +31,9 @@ static QemuOptsList qemu_fsdev_opts = {
         }, {
             .name = "readonly",
             .type = QEMU_OPT_BOOL,
-
+        }, {
+            .name = "multidevs",
+            .type = QEMU_OPT_STRING,
         }, {
             .name = "socket",
             .type = QEMU_OPT_STRING,
@@ -38,82 +41,15 @@ static QemuOptsList qemu_fsdev_opts = {
             .name = "sock_fd",
             .type = QEMU_OPT_NUMBER,
         }, {
-            .name = "throttling.iops-total",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit total I/O operations per second",
-        }, {
-            .name = "throttling.iops-read",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit read operations per second",
-        }, {
-            .name = "throttling.iops-write",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit write operations per second",
-        }, {
-            .name = "throttling.bps-total",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit total bytes per second",
-        }, {
-            .name = "throttling.bps-read",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit read bytes per second",
-        }, {
-            .name = "throttling.bps-write",
-            .type = QEMU_OPT_NUMBER,
-            .help = "limit write bytes per second",
-        }, {
-            .name = "throttling.iops-total-max",
-            .type = QEMU_OPT_NUMBER,
-            .help = "I/O operations burst",
-        }, {
-            .name = "throttling.iops-read-max",
-            .type = QEMU_OPT_NUMBER,
-            .help = "I/O operations read burst",
-        }, {
-            .name = "throttling.iops-write-max",
-            .type = QEMU_OPT_NUMBER,
-            .help = "I/O operations write burst",
-        }, {
-            .name = "throttling.bps-total-max",
-            .type = QEMU_OPT_NUMBER,
-            .help = "total bytes burst",
-        }, {
-            .name = "throttling.bps-read-max",
+            .name = "fmode",
             .type = QEMU_OPT_NUMBER,
-            .help = "total bytes read burst",
         }, {
-            .name = "throttling.bps-write-max",
+            .name = "dmode",
             .type = QEMU_OPT_NUMBER,
-            .help = "total bytes write burst",
-        }, {
-            .name = "throttling.iops-total-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the iops-total-max burst period, in seconds",
-        }, {
-            .name = "throttling.iops-read-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the iops-read-max burst period, in seconds",
-        }, {
-            .name = "throttling.iops-write-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the iops-write-max burst period, in seconds",
-        }, {
-            .name = "throttling.bps-total-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the bps-total-max burst period, in seconds",
-        }, {
-            .name = "throttling.bps-read-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the bps-read-max burst period, in seconds",
-        }, {
-            .name = "throttling.bps-write-max-length",
-            .type = QEMU_OPT_NUMBER,
-            .help = "length of the bps-write-max burst period, in seconds",
-        }, {
-            .name = "throttling.iops-size",
-            .type = QEMU_OPT_NUMBER,
-            .help = "when limiting by iops max size of an I/O in bytes",
         },
+
+        THROTTLE_OPTS,
+
         { /*End of list */ }
     },
 };
@@ -141,12 +77,21 @@ static QemuOptsList qemu_virtfs_opts = {
         }, {
             .name = "readonly",
             .type = QEMU_OPT_BOOL,
+        }, {
+            .name = "multidevs",
+            .type = QEMU_OPT_STRING,
         }, {
             .name = "socket",
             .type = QEMU_OPT_STRING,
         }, {
             .name = "sock_fd",
             .type = QEMU_OPT_NUMBER,
+        }, {
+            .name = "fmode",
+            .type = QEMU_OPT_NUMBER,
+        }, {
+            .name = "dmode",
+            .type = QEMU_OPT_NUMBER,
         },
 
         { /*End of list */ }