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-rw-r--r--scripts/selinux/genheaders/genheaders.c20
-rw-r--r--security/selinux/include/classmap.h4
2 files changed, 24 insertions, 0 deletions
diff --git a/scripts/selinux/genheaders/genheaders.c b/scripts/selinux/genheaders/genheaders.c
index 58a12c27..539855f 100644
--- a/scripts/selinux/genheaders/genheaders.c
+++ b/scripts/selinux/genheaders/genheaders.c
@@ -43,6 +43,8 @@ int main(int argc, char *argv[])
int i, j, k;
int isids_len;
FILE *fout;
+ const char *needle = "SOCKET";
+ char *substr;
progname = argv[0];
@@ -88,6 +90,24 @@ int main(int argc, char *argv[])
fprintf(fout, "%2d\n", i);
}
fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1);
+ fprintf(fout, "\nstatic inline bool security_is_socket_class(u16 kern_tclass)\n");
+ fprintf(fout, "{\n");
+ fprintf(fout, "\tbool sock = false;\n\n");
+ fprintf(fout, "\tswitch (kern_tclass) {\n");
+ for (i = 0; secclass_map[i].name; i++) {
+ struct security_class_mapping *map = &secclass_map[i];
+ substr = strstr(map->name, needle);
+ if (substr && strcmp(substr, needle) == 0)
+ fprintf(fout, "\tcase SECCLASS_%s:\n", map->name);
+ }
+ fprintf(fout, "\t\tsock = true;\n");
+ fprintf(fout, "\t\tbreak;\n");
+ fprintf(fout, "\tdefault:\n");
+ fprintf(fout, "\t\tbreak;\n");
+ fprintf(fout, "\t}\n\n");
+ fprintf(fout, "\treturn sock;\n");
+ fprintf(fout, "}\n");
+
fprintf(fout, "\n#endif\n");
fclose(fout);
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index 4227e5f..b8c5372 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -12,6 +12,10 @@
#define COMMON_IPC_PERMS "create", "destroy", "getattr", "setattr", "read", \
"write", "associate", "unix_read", "unix_write"
+/*
+ * Note: The name for any socket class should be suffixed by "socket",
+ * and doesn't contain more than one substr of "socket".
+ */
struct security_class_mapping secclass_map[] = {
{ "security",
{ "compute_av", "compute_create", "compute_member",
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