1 files changed, 56 insertions, 0 deletions
diff --git a/src/analyze/analyze-capability.c b/src/analyze/analyze-capability.c
new file mode 100644
index 0000000..8072175
--- /dev/null
+++ b/src/analyze/analyze-capability.c
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "analyze.h"
+#include "analyze-capability.h"
+#include "cap-list.h"
+#include "capability-util.h"
+#include "format-table.h"
+
+int verb_capabilities(int argc, char *argv[], void *userdata) {
+        _cleanup_(table_unrefp) Table *table = NULL;
+        unsigned last_cap;
+        int r;
+
+        table = table_new("name", "number");
+        if (!table)
+                return log_oom();
+
+        (void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
+
+        /* Determine the maximum of the last cap known by the kernel and by us */
+        last_cap = MAX((unsigned) CAP_LAST_CAP, cap_last_cap());
+
+        if (strv_isempty(strv_skip(argv, 1)))
+                for (unsigned c = 0; c <= last_cap; c++) {
+                        r = table_add_many(table,
+                                           TABLE_STRING, capability_to_name(c) ?: "cap_???",
+                                           TABLE_UINT, c);
+                        if (r < 0)
+                                return table_log_add_error(r);
+                }
+        else {
+                for (int i = 1; i < argc; i++) {
+                        int c;
+
+                        c = capability_from_name(argv[i]);
+                        if (c < 0 || (unsigned) c > last_cap)
+                                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Capability \"%s\" not known.", argv[i]);
+
+                        r = table_add_many(table,
+                                           TABLE_STRING, capability_to_name(c) ?: "cap_???",
+                                           TABLE_UINT, (unsigned) c);
+                        if (r < 0)
+                                return table_log_add_error(r);
+                }
+
+                (void) table_set_sort(table, (size_t) 1);
+        }
+
+        pager_open(arg_pager_flags);
+
+        r = table_print(table, NULL);
+        if (r < 0)
+                return r;
+
+        return EXIT_SUCCESS;
+}