mirror of
https://github.com/sheumann/hush.git
synced 2024-08-20 04:28:57 +00:00
function old new delta do_iptunnel 203 977 +774 process_dev 5328 5494 +166 ioctl_or_perror - 54 +54 ioctl_or_perror_and_die - 51 +51 ioctl_alt_func - 49 +49 bb_ioctl_or_warn - 47 +47 do_add_ioctl 102 145 +43 bb_xioctl - 39 +39 print_value_on_off - 31 +31 get_lcm 105 123 +18 arp_main 2155 2167 +12 .................. zcip_main 1576 1566 -10 setlogcons_main 92 82 -10 dumpkmap_main 263 253 -10 do_get_ioctl 85 75 -10 setkeycodes_main 165 154 -11 write_table 244 232 -12 vconfig_main 318 306 -12 do_del_ioctl 93 81 -12 set_address 75 62 -13 maybe_set_utc 30 16 -14 loadfont_main 495 479 -16 slattach_main 712 695 -17 do_loadfont 191 174 -17 do_iplink 1155 1136 -19 getty_main 2583 2562 -21 fbset_main 2058 2035 -23 do_time 588 565 -23 xioctl 25 - -25 read_rtc 186 160 -26 parse_conf 1299 1270 -29 udhcp_read_interface 269 239 -30 bb_ioctl 45 - -45 bb_ioctl_alt 70 - -70 bb_ioctl_on_off 78 - -78 .rodata 129370 129018 -352 do_show 799 - -799 ------------------------------------------------------------------------------ (add/remove: 6/5 grow/shrink: 13/49 up/down: 1316/-1864) Total: -548 bytes text data bss dec hex filename 675352 2740 13968 692060 a8f5c busybox_old 674804 2740 13968 691512 a8d38 busybox_unstripped
165 lines
4.4 KiB
C
165 lines
4.4 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* vconfig implementation for busybox
|
|
*
|
|
* Copyright (C) 2001 Manuel Novoa III <mjn3@codepoet.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
/* BB_AUDIT SUSv3 N/A */
|
|
|
|
#include "libbb.h"
|
|
#include <net/if.h>
|
|
|
|
/* Stuff from linux/if_vlan.h, kernel version 2.4.23 */
|
|
enum vlan_ioctl_cmds {
|
|
ADD_VLAN_CMD,
|
|
DEL_VLAN_CMD,
|
|
SET_VLAN_INGRESS_PRIORITY_CMD,
|
|
SET_VLAN_EGRESS_PRIORITY_CMD,
|
|
GET_VLAN_INGRESS_PRIORITY_CMD,
|
|
GET_VLAN_EGRESS_PRIORITY_CMD,
|
|
SET_VLAN_NAME_TYPE_CMD,
|
|
SET_VLAN_FLAG_CMD
|
|
};
|
|
enum vlan_name_types {
|
|
VLAN_NAME_TYPE_PLUS_VID, /* Name will look like: vlan0005 */
|
|
VLAN_NAME_TYPE_RAW_PLUS_VID, /* name will look like: eth1.0005 */
|
|
VLAN_NAME_TYPE_PLUS_VID_NO_PAD, /* Name will look like: vlan5 */
|
|
VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, /* Name will look like: eth0.5 */
|
|
VLAN_NAME_TYPE_HIGHEST
|
|
};
|
|
|
|
struct vlan_ioctl_args {
|
|
int cmd; /* Should be one of the vlan_ioctl_cmds enum above. */
|
|
char device1[24];
|
|
|
|
union {
|
|
char device2[24];
|
|
int VID;
|
|
unsigned int skb_priority;
|
|
unsigned int name_type;
|
|
unsigned int bind_type;
|
|
unsigned int flag; /* Matches vlan_dev_info flags */
|
|
} u;
|
|
|
|
short vlan_qos;
|
|
};
|
|
|
|
#define VLAN_GROUP_ARRAY_LEN 4096
|
|
#define SIOCSIFVLAN 0x8983 /* Set 802.1Q VLAN options */
|
|
|
|
/* On entry, table points to the length of the current string plus
|
|
* nul terminator plus data length for the subsequent entry. The
|
|
* return value is the last data entry for the matching string. */
|
|
static const char *xfind_str(const char *table, const char *str)
|
|
{
|
|
while (strcasecmp(str, table+1) != 0) {
|
|
if (!*(table += table[0])) {
|
|
bb_show_usage();
|
|
}
|
|
}
|
|
return table - 1;
|
|
}
|
|
|
|
static const char cmds[] = {
|
|
4, ADD_VLAN_CMD, 7,
|
|
'a', 'd', 'd', 0,
|
|
3, DEL_VLAN_CMD, 7,
|
|
'r', 'e', 'm', 0,
|
|
3, SET_VLAN_NAME_TYPE_CMD, 17,
|
|
's', 'e', 't', '_',
|
|
'n', 'a', 'm', 'e', '_',
|
|
't', 'y', 'p', 'e', 0,
|
|
5, SET_VLAN_FLAG_CMD, 12,
|
|
's', 'e', 't', '_',
|
|
'f', 'l', 'a', 'g', 0,
|
|
5, SET_VLAN_EGRESS_PRIORITY_CMD, 18,
|
|
's', 'e', 't', '_',
|
|
'e', 'g', 'r', 'e', 's', 's', '_',
|
|
'm', 'a', 'p', 0,
|
|
5, SET_VLAN_INGRESS_PRIORITY_CMD, 16,
|
|
's', 'e', 't', '_',
|
|
'i', 'n', 'g', 'r', 'e', 's', 's', '_',
|
|
'm', 'a', 'p', 0,
|
|
};
|
|
|
|
static const char name_types[] = {
|
|
VLAN_NAME_TYPE_PLUS_VID, 16,
|
|
'V', 'L', 'A', 'N',
|
|
'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
|
|
0,
|
|
VLAN_NAME_TYPE_PLUS_VID_NO_PAD, 22,
|
|
'V', 'L', 'A', 'N',
|
|
'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
|
|
'_', 'N', 'O', '_', 'P', 'A', 'D', 0,
|
|
VLAN_NAME_TYPE_RAW_PLUS_VID, 15,
|
|
'D', 'E', 'V',
|
|
'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
|
|
0,
|
|
VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, 20,
|
|
'D', 'E', 'V',
|
|
'_', 'P', 'L', 'U', 'S', '_', 'V', 'I', 'D',
|
|
'_', 'N', 'O', '_', 'P', 'A', 'D', 0,
|
|
};
|
|
|
|
static const char conf_file_name[] = "/proc/net/vlan/config";
|
|
|
|
int vconfig_main(int argc, char **argv);
|
|
int vconfig_main(int argc, char **argv)
|
|
{
|
|
struct vlan_ioctl_args ifr;
|
|
const char *p;
|
|
int fd;
|
|
|
|
if (argc < 3) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
/* Don't bother closing the filedes. It will be closed on cleanup. */
|
|
/* Will die if 802.1q is not present */
|
|
xopen(conf_file_name, O_RDONLY);
|
|
|
|
memset(&ifr, 0, sizeof(struct vlan_ioctl_args));
|
|
|
|
++argv;
|
|
p = xfind_str(cmds+2, *argv);
|
|
ifr.cmd = *p;
|
|
if (argc != p[-1]) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) { /* set_name_type */
|
|
ifr.u.name_type = *xfind_str(name_types+1, argv[1]);
|
|
} else {
|
|
if (strlen(argv[1]) >= IF_NAMESIZE) {
|
|
bb_error_msg_and_die("if_name >= %d chars", IF_NAMESIZE);
|
|
}
|
|
strcpy(ifr.device1, argv[1]);
|
|
p = argv[2];
|
|
|
|
/* I suppose one could try to combine some of the function calls below,
|
|
* since ifr.u.flag, ifr.u.VID, and ifr.u.skb_priority are all same-sized
|
|
* (unsigned) int members of a unions. But because of the range checking,
|
|
* doing so wouldn't save that much space and would also make maintainence
|
|
* more of a pain. */
|
|
if (ifr.cmd == SET_VLAN_FLAG_CMD) { /* set_flag */
|
|
ifr.u.flag = xatoul_range(p, 0, 1);
|
|
/* DM: in order to set reorder header, qos must be set */
|
|
ifr.vlan_qos = xatoul_range(argv[3], 0, 7);
|
|
} else if (ifr.cmd == ADD_VLAN_CMD) { /* add */
|
|
ifr.u.VID = xatoul_range(p, 0, VLAN_GROUP_ARRAY_LEN-1);
|
|
} else if (ifr.cmd != DEL_VLAN_CMD) { /* set_{egress|ingress}_map */
|
|
ifr.u.skb_priority = xatou(p);
|
|
ifr.vlan_qos = xatoul_range(argv[3], 0, 7);
|
|
}
|
|
}
|
|
|
|
fd = xsocket(AF_INET, SOCK_STREAM, 0);
|
|
ioctl_or_perror_and_die(fd, SIOCSIFVLAN, &ifr,
|
|
"ioctl error for %s", *argv);
|
|
|
|
return 0;
|
|
}
|