Blob Blame History Raw
diff --git a/libselinux/src/audit2why.c b/libselinux/src/audit2why.c
index ffe381b..2d68482 100644
--- a/libselinux/src/audit2why.c
+++ b/libselinux/src/audit2why.c
@@ -310,10 +310,12 @@ static PyObject *init(PyObject *self __attribute__((unused)), PyObject *args) {
 }
 
 #define RETURN(X) \
-	PyTuple_SetItem(result, 0, Py_BuildValue("i", X));	\
-	return result;						
+	{ \
+		return Py_BuildValue("iO", (X), Py_None);	\
+	}					
 
 static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args) {
+	char *reason_buf = NULL;
 	security_context_t scon; 
 	security_context_t tcon;
 	char *tclassstr; 
@@ -328,10 +330,6 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
 	struct sepol_av_decision avd;
 	int rc;
 	int i=0;
-	PyObject *result = PyTuple_New(2);
-	if (!result) return NULL;
-	Py_INCREF(Py_None);
-	PyTuple_SetItem(result, 1, Py_None);
 
 	if (!PyArg_ParseTuple(args,(char *)"sssO!:audit2why",&scon,&tcon,&tclassstr,&PyList_Type, &listObj)) 
 		return NULL;
@@ -342,22 +340,21 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
 	/* should raise an error here. */
 	if (numlines < 0)	return NULL; /* Not a list */
 
-	if (!avc) {
+	if (!avc)
 		RETURN(NOPOLICY)
-	}
 
 	rc = sepol_context_to_sid(scon, strlen(scon) + 1, &ssid);
-	if (rc < 0) {
+	if (rc < 0)
 		RETURN(BADSCON)
-	}
+
 	rc = sepol_context_to_sid(tcon, strlen(tcon) + 1, &tsid);
-	if (rc < 0) {
+	if (rc < 0)
 		RETURN(BADTCON)
-	}
+
 	tclass = string_to_security_class(tclassstr);
-	if (!tclass) {
+	if (!tclass)
 		RETURN(BADTCLASS)
-	}
+
 	/* Convert the permission list to an AV. */
 	av = 0;
 
@@ -377,21 +374,20 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
 #endif
 		
 		perm = string_to_av_perm(tclass, permstr);
-		if (!perm) {
+		if (!perm)
 			RETURN(BADPERM)
-		}
+
 		av |= perm;
 	}
 
 	/* Reproduce the computation. */
-	rc = sepol_compute_av_reason(ssid, tsid, tclass, av, &avd, &reason);
-	if (rc < 0) {
+	rc = sepol_compute_av_reason_buffer(ssid, tsid, tclass, av, &avd, &reason, &reason_buf, 0);
+	if (rc < 0)
 		RETURN(BADCOMPUTE)
-	}
 
-	if (!reason) {
+	if (!reason)
 		RETURN(ALLOW)
-	}
+
 	if (reason & SEPOL_COMPUTEAV_TE) {
 		avc->ssid = ssid;
 		avc->tsid = tsid;
@@ -404,28 +400,34 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
 				RETURN(TERULE)
 			}
 		} else {
-			PyTuple_SetItem(result, 0, Py_BuildValue("i", BOOLEAN));
+			PyObject *outboollist;
 			struct boolean_t *b = bools;
 			int len=0;
 			while (b->name) {
 				len++; b++;
 			}
 			b = bools;
-			PyObject *outboollist = PyTuple_New(len);
+			outboollist = PyList_New(len);
 			len=0;
 			while(b->name) {
-				PyObject *bool = Py_BuildValue("(si)", b->name, b->active);
-				PyTuple_SetItem(outboollist, len++, bool);
+				PyObject *bool_ = Py_BuildValue("(si)", b->name, b->active);
+				PyList_SetItem(outboollist, len++, bool_);
 				b++;
 			}
 			free(bools);
-			PyTuple_SetItem(result, 1, outboollist);
-			return result;
+			/* 'N' steals the reference to outboollist */
+			return Py_BuildValue("iN", BOOLEAN, outboollist);
 		}
 	}
 
 	if (reason & SEPOL_COMPUTEAV_CONS) {
-		RETURN(CONSTRAINT);
+		if (reason_buf) {
+			PyObject *result = NULL;
+			result = Py_BuildValue("is", CONSTRAINT, reason_buf);
+			free(reason_buf);
+			return result;
+		} 
+		RETURN(CONSTRAINT)
 	}
 
 	if (reason & SEPOL_COMPUTEAV_RBAC)
diff --git a/libselinux/src/avc.c b/libselinux/src/avc.c
index 802a07f..6ff83a7 100644
--- a/libselinux/src/avc.c
+++ b/libselinux/src/avc.c
@@ -827,6 +827,7 @@ int avc_has_perm(security_id_t ssid, security_id_t tsid,
 	errsave = errno;
 	avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
 	errno = errsave;
+	if (!avc_enforcing) return 0;
 	return rc;
 }
 
diff --git a/libselinux/src/get_context_list.c b/libselinux/src/get_context_list.c
index b9e8002..355730a 100644
--- a/libselinux/src/get_context_list.c
+++ b/libselinux/src/get_context_list.c
@@ -426,7 +426,7 @@ int get_ordered_context_list(const char *user,
 	/* Initialize ordering array. */
 	ordering = malloc(nreach * sizeof(unsigned int));
 	if (!ordering)
-		goto oom_order;
+		goto failsafe;
 	for (i = 0; i < nreach; i++)
 		ordering[i] = nreach;
 
@@ -435,7 +435,7 @@ int get_ordered_context_list(const char *user,
 	fname_len = strlen(user_contexts_path) + strlen(user) + 2;
 	fname = malloc(fname_len);
 	if (!fname)
-		goto oom_order;
+		goto failsafe;
 	snprintf(fname, fname_len, "%s%s", user_contexts_path, user);
 	fp = fopen(fname, "r");
 	if (fp) {
@@ -465,31 +465,28 @@ int get_ordered_context_list(const char *user,
 		}
 	}
 
+	if (!nordered)
+		goto failsafe;
+
 	/* Apply the ordering. */
-	if (nordered) {
-		co = malloc(nreach * sizeof(struct context_order));
-		if (!co)
-			goto oom_order;
-		for (i = 0; i < nreach; i++) {
-			co[i].con = reachable[i];
-			co[i].order = ordering[i];
-		}
-		qsort(co, nreach, sizeof(struct context_order), order_compare);
-		for (i = 0; i < nreach; i++)
-			reachable[i] = co[i].con;
-		free(co);
+	co = malloc(nreach * sizeof(struct context_order));
+	if (!co)
+		goto failsafe;
+	for (i = 0; i < nreach; i++) {
+		co[i].con = reachable[i];
+		co[i].order = ordering[i];
 	}
+	qsort(co, nreach, sizeof(struct context_order), order_compare);
+	for (i = 0; i < nreach; i++)
+		reachable[i] = co[i].con;
+	free(co);
 
-	/* Return the ordered list. 
-	   If we successfully ordered it, then only report the ordered entries
-	   to the caller.  Otherwise, fall back to the entire reachable list. */
-	if (nordered && nordered < nreach) {
+	/* Only report the ordered entries to the caller. */
+	if (nordered < nreach) {
 		for (i = nordered; i < nreach; i++)
 			free(reachable[i]);
 		reachable[nordered] = NULL;
 		rc = nordered;
-	} else {
-		rc = nreach;
 	}
 
       out:
@@ -523,14 +520,6 @@ int get_ordered_context_list(const char *user,
 	}
 	rc = 1;			/* one context in the list */
 	goto out;
-
-      oom_order:
-	/* Unable to order context list due to OOM condition.
-	   Fall back to unordered reachable context list. */
-	fprintf(stderr, "%s:  out of memory, unable to order list\n",
-		__FUNCTION__);
-	rc = nreach;
-	goto out;
 }
 
 hidden_def(get_ordered_context_list)
diff --git a/libselinux/src/matchpathcon.c b/libselinux/src/matchpathcon.c
index 2d7369e..2a00807 100644
--- a/libselinux/src/matchpathcon.c
+++ b/libselinux/src/matchpathcon.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <errno.h>
 #include <stdio.h>
+#include <syslog.h>
 #include "selinux_internal.h"
 #include "label_internal.h"
 #include "callbacks.h"
@@ -62,7 +63,7 @@ static void
 {
 	va_list ap;
 	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
+	vsyslog(LOG_ERR, fmt, ap);
 	va_end(ap);
 }