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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:29:04 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:29:04 -0800 |
commit | e54eebbf1a908d65ee8cf80bab62821c05666d70 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /netcfg/netcfg.c | |
parent | a1e1c1b106423de09bc918502e7a51d4ffe5a4ae (diff) | |
download | system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.zip system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.tar.gz system_core-e54eebbf1a908d65ee8cf80bab62821c05666d70.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'netcfg/netcfg.c')
-rw-r--r-- | netcfg/netcfg.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/netcfg/netcfg.c b/netcfg/netcfg.c deleted file mode 100644 index fc9cf48..0000000 --- a/netcfg/netcfg.c +++ /dev/null @@ -1,175 +0,0 @@ -/* system/bin/netcfg/netcfg.c -** -** 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 <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <dirent.h> - -static int verbose = 0; - -int ifc_init(); -void ifc_close(); -int ifc_up(char *iname); -int ifc_down(char *iname); -int ifc_remove_host_routes(char *iname); -int ifc_remove_default_route(char *iname); -int ifc_get_info(const char *name, unsigned *addr, unsigned *mask, unsigned *flags); -int do_dhcp(char *iname); - -void die(const char *reason) -{ - perror(reason); - exit(1); -} - -const char *ipaddr(unsigned addr) -{ - static char buf[32]; - - sprintf(buf,"%d.%d.%d.%d", - addr & 255, - ((addr >> 8) & 255), - ((addr >> 16) & 255), - (addr >> 24)); - return buf; -} - -void usage(void) -{ - fprintf(stderr,"usage: netcfg [<interface> {dhcp|up|down}]\n"); - exit(1); -} - -int dump_interface(const char *name) -{ - unsigned addr, mask, flags; - - if(ifc_get_info(name, &addr, &mask, &flags)) { - return 0; - } - - printf("%-8s %s ", name, flags & 1 ? "UP " : "DOWN"); - printf("%-16s", ipaddr(addr)); - printf("%-16s", ipaddr(mask)); - printf("0x%08x\n", flags); - 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; -} - -struct -{ - const char *name; - int nargs; - void *func; -} CMDS[] = { - { "dhcp", 1, do_dhcp }, - { "up", 1, ifc_up }, - { "down", 1, ifc_down }, - { "flhosts", 1, ifc_remove_host_routes }, - { "deldefault", 1, ifc_remove_default_route }, - { 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; -} |