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xselinux: Implement "get context" protocol requests.

This commit is contained in:
Eamon Walsh 2008-01-24 19:09:58 -05:00 committed by Eamon Walsh
parent f0bf9a5231
commit 7ba8e97cba
1 changed files with 116 additions and 3 deletions
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119
Xext/xselinux.c
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@ -1098,7 +1098,40 @@ ProcSELinuxSetDeviceContext(ClientPtr client)
static int static int
ProcSELinuxGetDeviceContext(ClientPtr client) ProcSELinuxGetDeviceContext(ClientPtr client)
{ {
return Success; char *ctx;
DeviceIntPtr dev;
SELinuxStateRec *state;
SELinuxGetContextReply rep;
int rc;
REQUEST(SELinuxGetContextReq);
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
rc = dixLookupDevice(&dev, stuff->id, client, DixGetAttrAccess);
if (rc != Success)
return rc;
state = dixLookupPrivate(&dev->devPrivates, stateKey);
rc = avc_sid_to_context(state->sid, &ctx);
if (rc != Success)
return BadValue;
rep.type = X_Reply;
rep.length = (strlen(ctx) + 4) >> 2;
rep.sequenceNumber = client->sequence;
rep.context_len = strlen(ctx) + 1;
if (client->swapped) {
int n;
swapl(&rep.length, n);
swaps(&rep.sequenceNumber, n);
swaps(&rep.context_len, n);
}
WriteToClient(client, sizeof(SELinuxGetContextReply), (char *)&rep);
WriteToClient(client, rep.context_len, ctx);
free(ctx);
return client->noClientException;
} }
static int static int
@ -1116,7 +1149,54 @@ ProcSELinuxGetPropertyCreateContext(ClientPtr client)
static int static int
ProcSELinuxGetPropertyContext(ClientPtr client) ProcSELinuxGetPropertyContext(ClientPtr client)
{ {
return Success; char *ctx;
WindowPtr pWin;
PropertyPtr pProp;
SELinuxStateRec *state;
SELinuxGetContextReply rep;
int rc;
REQUEST(SELinuxGetPropertyContextReq);
REQUEST_SIZE_MATCH(SELinuxGetPropertyContextReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetPropAccess);
if (rc != Success)
return rc;
pProp = wUserProps(pWin);
while (pProp) {
if (pProp->propertyName == stuff->property)
break;
pProp = pProp->next;
}
if (!pProp)
return BadValue;
rc = XaceHook(XACE_PROPERTY_ACCESS, client, pWin, pProp, DixGetAttrAccess);
if (rc != Success)
return rc;
state = dixLookupPrivate(&pProp->devPrivates, stateKey);
rc = avc_sid_to_context(state->sid, &ctx);
if (rc != Success)
return BadValue;
rep.type = X_Reply;
rep.length = (strlen(ctx) + 4) >> 2;
rep.sequenceNumber = client->sequence;
rep.context_len = strlen(ctx) + 1;
if (client->swapped) {
int n;
swapl(&rep.length, n);
swaps(&rep.sequenceNumber, n);
swaps(&rep.context_len, n);
}
WriteToClient(client, sizeof(SELinuxGetContextReply), (char *)&rep);
WriteToClient(client, rep.context_len, ctx);
free(ctx);
return client->noClientException;
} }
static int static int
@ -1134,7 +1214,40 @@ ProcSELinuxGetWindowCreateContext(ClientPtr client)
static int static int
ProcSELinuxGetWindowContext(ClientPtr client) ProcSELinuxGetWindowContext(ClientPtr client)
{ {
return Success; char *ctx;
WindowPtr pWin;
SELinuxStateRec *state;
SELinuxGetContextReply rep;
int rc;
REQUEST(SELinuxGetContextReq);
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
if (rc != Success)
return rc;
state = dixLookupPrivate(&pWin->devPrivates, stateKey);
rc = avc_sid_to_context(state->sid, &ctx);
if (rc != Success)
return BadValue;
rep.type = X_Reply;
rep.length = (strlen(ctx) + 4) >> 2;
rep.sequenceNumber = client->sequence;
rep.context_len = strlen(ctx) + 1;
if (client->swapped) {
int n;
swapl(&rep.length, n);
swaps(&rep.sequenceNumber, n);
swaps(&rep.context_len, n);
}
WriteToClient(client, sizeof(SELinuxGetContextReply), (char *)&rep);
WriteToClient(client, rep.context_len, ctx);
free(ctx);
return client->noClientException;
} }
static int static int