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[libvirt] [PATCH] Improve invalid argument checks for the public API



---
 src/libvirt.c |  100 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 94 insertions(+), 6 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index 787908e..87391c6 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -1390,7 +1390,7 @@ int
 virConnectRef(virConnectPtr conn)
 {
     if ((!VIR_IS_CONNECT(conn))) {
-        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
         virDispatchError(NULL);
         return -1;
     }
@@ -4487,7 +4487,6 @@ virDomainMigratePrepareTunnel(virConnectPtr conn,
                               const char *dname,
                               unsigned long bandwidth,
                               const char *dom_xml)
-
 {
     VIR_DEBUG("conn=%p, stream=%p, flags=%lu, dname=%s, "
               "bandwidth=%lu, dom_xml=%s", conn, st, flags,
@@ -4994,6 +4993,12 @@ virDomainGetSchedulerType(virDomainPtr domain, int *nparams)
         virDispatchError(NULL);
         return NULL;
     }
+
+    if (nparams == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     conn = domain->conn;
 
     if (conn->driver->domainGetSchedulerType){
@@ -5040,6 +5045,12 @@ virDomainGetSchedulerParameters(virDomainPtr domain,
         virDispatchError(NULL);
         return -1;
     }
+
+    if (params == NULL || nparams == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     conn = domain->conn;
 
     if (conn->driver->domainGetSchedulerParameters) {
@@ -5084,6 +5095,12 @@ virDomainSetSchedulerParameters(virDomainPtr domain,
         virDispatchError(NULL);
         return -1;
     }
+
+    if (params == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -5534,7 +5551,7 @@ virDomainGetBlockInfo(virDomainPtr domain, const char *path, virDomainBlockInfoP
         virDispatchError(NULL);
         return -1;
     }
-    if (info == NULL) {
+    if (path == NULL || info == NULL) {
         virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         goto error;
     }
@@ -6440,6 +6457,12 @@ virDomainAttachDevice(virDomainPtr domain, const char *xml)
         virDispatchError(NULL);
         return -1;
     }
+
+    if (xml == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -6500,6 +6523,12 @@ virDomainAttachDeviceFlags(virDomainPtr domain,
         virDispatchError(NULL);
         return -1;
     }
+
+    if (xml == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -6545,6 +6574,12 @@ virDomainDetachDevice(virDomainPtr domain, const char *xml)
         virDispatchError(NULL);
         return -1;
     }
+
+    if (xml == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -6601,6 +6636,12 @@ virDomainDetachDeviceFlags(virDomainPtr domain,
         virDispatchError(NULL);
         return -1;
     }
+
+    if (xml == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -6661,6 +6702,12 @@ virDomainUpdateDeviceFlags(virDomainPtr domain,
         virDispatchError(NULL);
         return -1;
     }
+
+    if (xml == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (domain->conn->flags & VIR_CONNECT_RO) {
         virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -7321,7 +7368,7 @@ int
 virNetworkRef(virNetworkPtr network)
 {
     if ((!VIR_IS_CONNECTED_NETWORK(network))) {
-        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        virLibConnError(VIR_ERR_INVALID_NETWORK, __FUNCTION__);
         virDispatchError(NULL);
         return -1;
     }
@@ -8187,7 +8234,7 @@ int
 virInterfaceRef(virInterfacePtr iface)
 {
     if ((!VIR_IS_CONNECTED_INTERFACE(iface))) {
-        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        virLibConnError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
         virDispatchError(NULL);
         return -1;
     }
@@ -8630,7 +8677,7 @@ virStoragePoolLookupByVolume(virStorageVolPtr vol)
     virResetLastError();
 
     if (!VIR_IS_CONNECTED_STORAGE_VOL(vol)) {
-        virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
+        virLibConnError(VIR_ERR_INVALID_STORAGE_VOL, __FUNCTION__);
         virDispatchError(NULL);
         return NULL;
     }
@@ -9702,6 +9749,11 @@ virStorageVolCreateXML(virStoragePoolPtr pool,
         return NULL;
     }
 
+    if (xmldesc == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (pool->conn->flags & VIR_CONNECT_RO) {
         virLibConnError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
@@ -9758,6 +9810,11 @@ virStorageVolCreateXMLFrom(virStoragePoolPtr pool,
         goto error;
     }
 
+    if (xmldesc == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (pool->conn->flags & VIR_CONNECT_RO ||
         clonevol->conn->flags & VIR_CONNECT_RO) {
         virLibConnError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
@@ -10508,6 +10565,11 @@ int virNodeDeviceListCaps(virNodeDevicePtr dev,
         return -1;
     }
 
+    if (names == NULL || maxnames < 0) {
+        virLibNodeDeviceError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (dev->conn->deviceMonitor && dev->conn->deviceMonitor->deviceListCaps) {
         int ret;
         ret = dev->conn->deviceMonitor->deviceListCaps (dev, names, maxnames);
@@ -11764,6 +11826,11 @@ int virStreamSend(virStreamPtr stream,
         return -1;
     }
 
+    if (data == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (stream->driver &&
         stream->driver->streamSend) {
         int ret;
@@ -11859,6 +11926,11 @@ int virStreamRecv(virStreamPtr stream,
         return -1;
     }
 
+    if (data == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (stream->driver &&
         stream->driver->streamRecv) {
         int ret;
@@ -11935,6 +12007,11 @@ int virStreamSendAll(virStreamPtr stream,
         return -1;
     }
 
+    if (handler == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto cleanup;
+    }
+
     if (stream->flags & VIR_STREAM_NONBLOCK) {
         virLibConnError(VIR_ERR_OPERATION_INVALID,
                         _("data sources cannot be used for non-blocking streams"));
@@ -12032,6 +12109,11 @@ int virStreamRecvAll(virStreamPtr stream,
         return -1;
     }
 
+    if (handler == NULL) {
+        virLibConnError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto cleanup;
+    }
+
     if (stream->flags & VIR_STREAM_NONBLOCK) {
         virLibConnError(VIR_ERR_OPERATION_INVALID,
                         _("data sinks cannot be used for non-blocking streams"));
@@ -13746,6 +13828,12 @@ virDomainSnapshotCreateXML(virDomainPtr domain,
     }
 
     conn = domain->conn;
+
+    if (xmlDesc == NULL) {
+        virLibDomainError(VIR_ERR_INVALID_ARG, __FUNCTION__);
+        goto error;
+    }
+
     if (conn->flags & VIR_CONNECT_RO) {
         virLibConnError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
         goto error;
-- 
1.7.0.4


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