From 44b3f2ffbc01c0a9fcfb5d60af3e292f505ac67c Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 21 Aug 2017 02:14:19 +0200 Subject: libbb: move capability names code to libbb function old new delta cap_name_to_number - 77 +77 parse_cap 117 29 -88 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 0/1 up/down: 77/-88) Total: -11 bytes Signed-off-by: Denys Vlasenko --- util-linux/setpriv.c | 82 ++++------------------------------------------------ 1 file changed, 5 insertions(+), 77 deletions(-) (limited to 'util-linux/setpriv.c') diff --git a/util-linux/setpriv.c b/util-linux/setpriv.c index c549bcaf8..9f2793949 100644 --- a/util-linux/setpriv.c +++ b/util-linux/setpriv.c @@ -5,7 +5,6 @@ * Copyright (C) 2017 by * * Licensed under GPLv2 or later, see file LICENSE in this source tree. - * */ //config:config SETPRIV //config: bool "setpriv (3.4 kb)" @@ -131,49 +130,6 @@ struct caps { int u32s; }; -# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES -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", -}; -# endif /* FEATURE_SETPRIV_CAPABILITY_NAMES */ - static void getcaps(struct caps *caps) { static const uint8_t versions[] = { @@ -211,10 +167,8 @@ static void getcaps(struct caps *caps) bb_simple_perror_msg_and_die("capget"); } -static unsigned long parse_cap(const char *cap) +static unsigned parse_cap(const char *cap) { - unsigned long i; - switch (cap[0]) { case '-': break; @@ -226,24 +180,7 @@ static unsigned long parse_cap(const char *cap) } cap++; - if ((sscanf(cap, "cap_%lu", &i)) == 1) { - if (!cap_valid(i)) - bb_error_msg_and_die("unsupported capability '%s'", cap); - return i; - } - -# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES - for (i = 0; i < ARRAY_SIZE(capabilities); i++) { - if (strcasecmp(capabilities[i], cap) != 0) - continue; - - if (!cap_valid(i)) - bb_error_msg_and_die("unsupported capability '%s'", cap); - return i; - } -# endif - - bb_error_msg_and_die("unknown capability '%s'", cap); + return cap_name_to_number(cap); } static void set_inh_caps(char *capstring) @@ -254,7 +191,7 @@ static void set_inh_caps(char *capstring) capstring = strtok(capstring, ","); while (capstring) { - unsigned long cap; + unsigned cap; cap = parse_cap(capstring); if (CAP_TO_INDEX(cap) >= caps.u32s) @@ -280,7 +217,7 @@ static void set_ambient_caps(char *string) cap = strtok(string, ","); while (cap) { - unsigned long index; + unsigned index; index = parse_cap(cap); if (cap[0] == '+') { @@ -296,16 +233,7 @@ static void set_ambient_caps(char *string) #endif /* FEATURE_SETPRIV_CAPABILITIES */ #if ENABLE_FEATURE_SETPRIV_DUMP -# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES -static void 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); -} -# else +# if !ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES # define printf_cap(pfx, cap_no) printf("%scap_%u", (pfx), (cap_no)) # endif -- cgit v1.2.3