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authorKay Sievers <kay@vrfy.org>2013-10-11 09:47:31 +0200
committerKay Sievers <kay@vrfy.org>2013-10-11 10:16:41 +0200
commit9a4e038c1519d836d217fac5df3722e6a02ea78d (patch)
tree62cdab0fa3da479f39317a049908ca9265d0040f /src/shared
parentadcdb3747609962881301ed19636002dd34c05a0 (diff)
smack: minimize ifdef use, and move all labeling to smack-util.c
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/smack-util.c52
-rw-r--r--src/shared/smack-util.h4
2 files changed, 55 insertions, 1 deletions
diff --git a/src/shared/smack-util.c b/src/shared/smack-util.c
index 4e8cf796d3..df194e0844 100644
--- a/src/shared/smack-util.c
+++ b/src/shared/smack-util.c
@@ -22,11 +22,14 @@
***/
#include <unistd.h>
+#include <string.h>
+#ifdef HAVE_XATTR
+#include <attr/xattr.h>
+#endif
#include "smack-util.h"
bool use_smack(void) {
-
#ifdef HAVE_SMACK
static int use_smack_cached = -1;
@@ -39,3 +42,50 @@ bool use_smack(void) {
#endif
}
+
+int smack_label_path(const char *path, const char *label) {
+#ifdef HAVE_SMACK
+ if (!use_smack())
+ return 0;
+
+ if (label)
+ return setxattr(path, "security.SMACK64", label, strlen(label), 0);
+ else
+ return lremovexattr(path, "security.SMACK64");
+#else
+ return 0;
+#endif
+}
+
+int smack_label_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+ if (!use_smack())
+ return 0;
+
+ return fsetxattr(fd, "security.SMACK64", label, strlen(label), 0);
+#else
+ return 0;
+#endif
+}
+
+int smack_label_ip_out_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+ if (!use_smack())
+ return 0;
+
+ return fsetxattr(fd, "security.SMACK64IPOUT", label, strlen(label), 0);
+#else
+ return 0;
+#endif
+}
+
+int smack_label_ip_in_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+ if (!use_smack())
+ return 0;
+
+ return fsetxattr(fd, "security.SMACK64IPIN", label, strlen(label), 0);
+#else
+ return 0;
+#endif
+}
diff --git a/src/shared/smack-util.h b/src/shared/smack-util.h
index 7b950ea0cb..42895ff805 100644
--- a/src/shared/smack-util.h
+++ b/src/shared/smack-util.h
@@ -26,3 +26,7 @@
#include <stdbool.h>
bool use_smack(void);
+int smack_label_path(const char *path, const char *label);
+int smack_label_fd(int fd, const char *label);
+int smack_label_ip_in_fd(int fd, const char *label);
+int smack_label_ip_out_fd(int fd, const char *label);