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authorDenys Vlasenko2017-08-21 02:14:19 +0200
committerDenys Vlasenko2017-08-21 02:14:19 +0200
commit44b3f2ffbc01c0a9fcfb5d60af3e292f505ac67c (patch)
treef892e9df211798dd5335b6bc363c0afa0effd462 /util-linux/setpriv.c
parentec2482e966c505d9076cf8581dabc4925c4c8bfe (diff)
downloadbusybox-44b3f2ffbc01c0a9fcfb5d60af3e292f505ac67c.zip
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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 <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux/setpriv.c')
-rw-r--r--util-linux/setpriv.c82
1 files changed, 5 insertions, 77 deletions
diff --git a/util-linux/setpriv.c b/util-linux/setpriv.c
index c549bca..9f27939 100644
--- a/util-linux/setpriv.c
+++ b/util-linux/setpriv.c
@@ -5,7 +5,6 @@
* Copyright (C) 2017 by <assafgordon@gmail.com>
*
* 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