diff options
Diffstat (limited to 'netcfg/netcfg.c')
-rw-r--r-- | netcfg/netcfg.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/netcfg/netcfg.c b/netcfg/netcfg.c deleted file mode 100644 index 4e83ba4..0000000 --- a/netcfg/netcfg.c +++ /dev/null @@ -1,182 +0,0 @@ -/* -** Copyright 2006, The Android Open Source Project -** -** Licensed under the Apache License, Version 2.0 (the "License"); -** you may not use this file except in compliance with the License. -** You may obtain a copy of the License at -** -** http://www.apache.org/licenses/LICENSE-2.0 -** -** Unless required by applicable law or agreed to in writing, software -** distributed under the License is distributed on an "AS IS" BASIS, -** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -** See the License for the specific language governing permissions and -** limitations under the License. -*/ - -#include <errno.h> -#include <dirent.h> -#include <netinet/ether.h> -#include <netinet/if_ether.h> -#include <netutils/dhcp.h> -#include <netutils/ifc.h> -#include <stdio.h> -#include <stdlib.h> - -void die(const char *reason) -{ - perror(reason); - exit(1); -} - -const char *ipaddr(in_addr_t addr) -{ - struct in_addr in_addr; - - in_addr.s_addr = addr; - return inet_ntoa(in_addr); -} - -void usage(void) -{ - fprintf(stderr,"usage: netcfg [<interface> {dhcp|up|down}]\n"); - exit(1); -} - -int dump_interface(const char *name) -{ - unsigned addr, flags; - unsigned char hwbuf[ETH_ALEN]; - int prefixLength; - - if(ifc_get_info(name, &addr, &prefixLength, &flags)) { - return 0; - } - - printf("%-8s %s ", name, flags & 1 ? "UP " : "DOWN"); - printf("%40s", ipaddr(addr)); - printf("/%-4d", prefixLength); - printf("0x%08x ", flags); - if (!ifc_get_hwaddr(name, hwbuf)) { - int i; - for(i=0; i < (ETH_ALEN-1); i++) - printf("%02x:", hwbuf[i]); - printf("%02x\n", hwbuf[i]); - } else { - printf("\n"); - } - return 0; -} - -int dump_interfaces(void) -{ - DIR *d; - struct dirent *de; - - d = opendir("/sys/class/net"); - if(d == 0) return -1; - - while((de = readdir(d))) { - if(de->d_name[0] == '.') continue; - dump_interface(de->d_name); - } - closedir(d); - return 0; -} - -int set_hwaddr(const char *name, const char *asc) { - struct ether_addr *addr = ether_aton(asc); - if (!addr) { - printf("Failed to parse '%s'\n", asc); - return -1; - } - return ifc_set_hwaddr(name, addr->ether_addr_octet); -} - -struct -{ - const char *name; - int nargs; - void *func; -} CMDS[] = { - { "dhcp", 1, do_dhcp }, - { "up", 1, ifc_up }, - { "down", 1, ifc_down }, - { "deldefault", 1, ifc_remove_default_route }, - { "hwaddr", 2, set_hwaddr }, - { 0, 0, 0 }, -}; - -static int call_func(void *_func, unsigned nargs, char **args) -{ - switch(nargs){ - case 1: { - int (*func)(char *a0) = _func; - return func(args[0]); - } - case 2: { - int (*func)(char *a0, char *a1) = _func; - return func(args[0], args[1]); - } - case 3: { - int (*func)(char *a0, char *a1, char *a2) = _func; - return func(args[0], args[1], args[2]); - } - default: - return -1; - } -} - -int main(int argc, char **argv) -{ - char *iname; - int n; - - if(ifc_init()) { - die("Cannot perform requested operation"); - } - - if(argc == 1) { - int result = dump_interfaces(); - ifc_close(); - return result; - } - - if(argc < 3) usage(); - - iname = argv[1]; - if(strlen(iname) > 16) usage(); - - argc -= 2; - argv += 2; - while(argc > 0) { - for(n = 0; CMDS[n].name; n++){ - if(!strcmp(argv[0], CMDS[n].name)) { - char *cmdname = argv[0]; - int nargs = CMDS[n].nargs; - - argv[0] = iname; - if(argc < nargs) { - fprintf(stderr, "not enough arguments for '%s'\n", cmdname); - ifc_close(); - exit(1); - } - if(call_func(CMDS[n].func, nargs, argv)) { - fprintf(stderr, "action '%s' failed (%s)\n", cmdname, strerror(errno)); - ifc_close(); - exit(1); - } - argc -= nargs; - argv += nargs; - goto done; - } - } - fprintf(stderr,"no such action '%s'\n", argv[0]); - usage(); - done: - ; - } - ifc_close(); - - return 0; -} |