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Fixed two bugs in QEMU impl of capabilities call

This commit is contained in:
Daniel P. Berrange 2007-03-15 18:23:00 +00:00
parent 6d11322bc7
commit 33134578b3
3 changed files with 12 additions and 1 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
Thu Mar 15 14:14:20 EST 2007 Daniel P Berrange <berrange@redhat.com>
* src/qemud_internal.c: Paranoia ensure the XML returned by
the getCapabilities call is NULL terminated before strduping
to protect from malicious / buggy server
* qemud/dispatch.c: Packet length for getCapabilities call
should be the size of the reply body, not the size of the
XML string.
Thu Mar 15 14:14:20 EST 2007 Daniel P Berrange <berrange@redhat.com>
* src/xen_internal.c: Fix missing NULL initializer

2
qemud/dispatch.c
View File

@ -269,7 +269,7 @@ qemudDispatchGetCapabilities (struct qemud_server *server,
return 0;
}
out->header.type = QEMUD_PKT_GET_CAPABILITIES;
out->header.dataSize = len;
out->header.dataSize = sizeof(out->data.getCapabilitiesReply);
strcpy (out->data.getCapabilitiesReply.xml, xml->content);
bufferFree (xml);
return 0;

2
src/qemu_internal.c
View File

@ -468,6 +468,8 @@ qemuGetCapabilities (virConnectPtr conn)
return NULL;
}
reply.data.getCapabilitiesReply.xml[QEMUD_MAX_XML_LEN-1] = '\0';
xml = strdup (reply.data.getCapabilitiesReply.xml);
if (!xml) {
qemuError (conn, NULL, VIR_ERR_NO_MEMORY, NULL);