1 files changed, 68 insertions, 0 deletions
diff --git a/tools/sepolicy-analyze/utils.c b/tools/sepolicy-analyze/utils.c
new file mode 100644
index 0000000..5e52f59
--- /dev/null
+++ b/tools/sepolicy-analyze/utils.c
@@ -0,0 +1,68 @@
+#include <fcntl.h>
+#include <sepol/policydb/policydb.h>
+#include <sepol/policydb/util.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+bool USAGE_ERROR = false;
+
+void display_allow(policydb_t *policydb, avtab_key_t *key, int idx, uint32_t perms)
+{
+    printf("    allow %s %s:%s { %s };\n",
+           policydb->p_type_val_to_name[key->source_type
+                                        ? key->source_type - 1 : idx],
+           key->target_type == key->source_type ? "self" :
+           policydb->p_type_val_to_name[key->target_type
+                                        ? key->target_type - 1 : idx],
+           policydb->p_class_val_to_name[key->target_class - 1],
+           sepol_av_to_string
+           (policydb, key->target_class, perms));
+}
+
+int load_policy(char *filename, policydb_t * policydb, struct policy_file *pf)
+{
+    int fd;
+    struct stat sb;
+    void *map;
+    int ret;
+
+    fd = open(filename, O_RDONLY);
+    if (fd < 0) {
+        fprintf(stderr, "Can't open '%s':  %s\n", filename, strerror(errno));
+        return 1;
+    }
+    if (fstat(fd, &sb) < 0) {
+        fprintf(stderr, "Can't stat '%s':  %s\n", filename, strerror(errno));
+        close(fd);
+        return 1;
+    }
+    map = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+    if (map == MAP_FAILED) {
+        fprintf(stderr, "Can't mmap '%s':  %s\n", filename, strerror(errno));
+        close(fd);
+        return 1;
+    }
+
+    policy_file_init(pf);
+    pf->type = PF_USE_MEMORY;
+    pf->data = map;
+    pf->len = sb.st_size;
+    if (policydb_init(policydb)) {
+        fprintf(stderr, "Could not initialize policydb!\n");
+        close(fd);
+        munmap(map, sb.st_size);
+        return 1;
+    }
+    ret = policydb_read(policydb, pf, 0);
+    if (ret) {
+        fprintf(stderr, "error(s) encountered while parsing configuration\n");
+        close(fd);
+        munmap(map, sb.st_size);
+        return 1;
+    }
+
+    return 0;
+}