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-rw-r--r--libcap/include/sys/capability.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/libcap/include/sys/capability.h b/libcap/include/sys/capability.h
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+++ b/libcap/include/sys/capability.h
@@ -0,0 +1,129 @@
+/*
+ * <sys/capability.h>
+ *
+ * Copyright (C) 1997 Aleph One
+ * Copyright (C) 1997-8,2008 Andrew G. Morgan <morgan@kernel.org>
+ *
+ * defunct POSIX.1e Standard: 25.2 Capabilities <sys/capability.h>
+ */
+
+#ifndef _SYS_CAPABILITY_H
+#define _SYS_CAPABILITY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This file complements the kernel file by providing prototype
+ * information for the user library.
+ */
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <linux/types.h>
+
+/*
+ * Required to limit what gets defined in the kernel header file.
+ */
+#ifndef __user
+#define __user
+#endif
+#include <linux/capability.h>
+
+/*
+ * POSIX capability types
+ */
+
+/*
+ * Opaque capability handle (defined internally by libcap)
+ * internal capability representation
+ */
+typedef struct _cap_struct *cap_t;
+
+/* "external" capability representation is a (void *) */
+
+/*
+ * This is the type used to identify capabilities
+ */
+
+typedef int cap_value_t;
+
+/*
+ * Set identifiers
+ */
+typedef enum {
+ CAP_EFFECTIVE=0, /* Specifies the effective flag */
+ CAP_PERMITTED=1, /* Specifies the permitted flag */
+ CAP_INHERITABLE=2 /* Specifies the inheritable flag */
+} cap_flag_t;
+
+/*
+ * These are the states available to each capability
+ */
+typedef enum {
+ CAP_CLEAR=0, /* The flag is cleared/disabled */
+ CAP_SET=1 /* The flag is set/enabled */
+} cap_flag_value_t;
+
+/*
+ * User-space capability manipulation routines
+ */
+
+/* libcap/cap_alloc.c */
+extern cap_t cap_dup(cap_t);
+extern int cap_free(void *);
+extern cap_t cap_init(void);
+
+/* libcap/cap_flag.c */
+extern int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
+extern int cap_set_flag(cap_t, cap_flag_t, int, const cap_value_t *,
+ cap_flag_value_t);
+extern int cap_clear(cap_t);
+extern int cap_clear_flag(cap_t, cap_flag_t);
+
+/* libcap/cap_file.c */
+extern cap_t cap_get_fd(int);
+extern cap_t cap_get_file(const char *);
+extern int cap_set_fd(int, cap_t);
+extern int cap_set_file(const char *, cap_t);
+
+/* libcap/cap_proc.c */
+extern cap_t cap_get_proc(void);
+extern cap_t cap_get_pid(pid_t);
+extern int cap_set_proc(cap_t);
+
+extern int cap_get_bound(cap_value_t);
+extern int cap_drop_bound(cap_value_t);
+
+#define CAP_IS_SUPPORTED(cap) (cap_get_bound(cap) >= 0)
+
+/* libcap/cap_extint.c */
+extern ssize_t cap_size(cap_t);
+extern ssize_t cap_copy_ext(void *, cap_t, ssize_t);
+extern cap_t cap_copy_int(const void *);
+
+/* libcap/cap_text.c */
+extern cap_t cap_from_text(const char *);
+extern char * cap_to_text(cap_t, ssize_t *);
+extern int cap_from_name(const char *, cap_value_t *);
+extern char * cap_to_name(cap_value_t);
+
+#define CAP_DIFFERS(result, flag) (((result) & (1 << (flag))) != 0)
+extern int cap_compare(cap_t, cap_t);
+
+/* system calls - look to libc for function to system call mapping */
+extern int capset(cap_user_header_t header, cap_user_data_t data);
+extern int capget(cap_user_header_t header, const cap_user_data_t data);
+
+/* deprecated - use cap_get_pid() */
+extern int capgetp(pid_t pid, cap_t cap_d);
+
+/* not valid with filesystem capability support - use cap_set_proc() */
+extern int capsetp(pid_t pid, cap_t cap_d);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_CAPABILITY_H */