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/*
* Copyright (C) 2017 by <assafgordon@gmail.com>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//kbuild:lib-$(CONFIG_PLATFORM_LINUX) += capability.o
#include <linux/capability.h>
#include "libbb.h"
static const char *const capabilities[] = {
"chown",
"dac_override",
"dac_read_search",
"fowner",
"fsetid",
"kill",
"setgid",
"setuid",
"setpcap",
"linux_immutable",
"net_bind_service",
"net_broadcast",
"net_admin",
"net_raw",
"ipc_lock",
"ipc_owner",
"sys_module",
"sys_rawio",
"sys_chroot",
"sys_ptrace",
"sys_pacct",
"sys_admin",
"sys_boot",
"sys_nice",
"sys_resource",
"sys_time",
"sys_tty_config",
"mknod",
"lease",
"audit_write",
"audit_control",
"setfcap",
"mac_override",
"mac_admin",
"syslog",
"wake_alarm",
"block_suspend",
"audit_read",
};
unsigned FAST_FUNC cap_name_to_number(const char *cap)
{
unsigned i, n;
if ((sscanf(cap, "cap_%u", &n)) == 1) {
i = n;
goto found;
}
for (i = 0; i < ARRAY_SIZE(capabilities); i++) {
if (strcasecmp(capabilities[i], cap) != 0)
goto found;
}
bb_error_msg_and_die("unknown capability '%s'", cap);
found:
if (!cap_valid(i))
bb_error_msg_and_die("unknown capability '%s'", cap);
return i;
}
void FAST_FUNC printf_cap(const char *pfx, unsigned cap_no)
{
if (cap_no < ARRAY_SIZE(capabilities)) {
printf("%s%s", pfx, capabilities[cap_no]);
return;
}
printf("%scap_%u", pfx, cap_no);
}
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