diff options
Diffstat (limited to 'package/ead/src/libbridge_init.c')
| -rw-r--r-- | package/ead/src/libbridge_init.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/package/ead/src/libbridge_init.c b/package/ead/src/libbridge_init.c deleted file mode 100644 index 36d0eb9b8e..0000000000 --- a/package/ead/src/libbridge_init.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright (C) 2000 Lennert Buytenhek - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <dirent.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "libbridge.h" -#include "libbridge_private.h" - -int br_socket_fd = -1; - -static int br_init(void) -{ - if ((br_socket_fd = socket(AF_LOCAL, SOCK_STREAM, 0)) < 0) - return errno; - return 0; -} - -static void br_shutdown(void) -{ - close(br_socket_fd); - br_socket_fd = -1; -} - -/* If /sys/class/net/XXX/bridge exists then it must be a bridge */ -static int isbridge(const struct dirent *entry) -{ - char path[SYSFS_PATH_MAX]; - struct stat st; - - snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/bridge", entry->d_name); - return stat(path, &st) == 0 && S_ISDIR(st.st_mode); -} - -/* - * New interface uses sysfs to find bridges - */ -static int new_foreach_bridge(int (*iterator)(const char *name, void *), - void *arg) -{ - struct dirent **namelist; - int i, count = 0; - - count = scandir(SYSFS_CLASS_NET, &namelist, isbridge, alphasort); - if (count < 0) - return -1; - - for (i = 0; i < count; i++) { - if (iterator(namelist[i]->d_name, arg)) - break; - } - - for (i = 0; i < count; i++) - free(namelist[i]); - free(namelist); - - return count; -} - -/* - * Old interface uses ioctl - */ -static int old_foreach_bridge(int (*iterator)(const char *, void *), - void *iarg) -{ - int i, ret=0, num; - char ifname[IFNAMSIZ]; - int ifindices[MAX_BRIDGES]; - unsigned long args[3] = { BRCTL_GET_BRIDGES, - (unsigned long)ifindices, MAX_BRIDGES }; - - num = ioctl(br_socket_fd, SIOCGIFBR, args); - if (num < 0) { - dprintf("Get bridge indices failed: %s\n", - strerror(errno)); - return -errno; - } - - for (i = 0; i < num; i++) { - if (!if_indextoname(ifindices[i], ifname)) { - dprintf("get find name for ifindex %d\n", - ifindices[i]); - return -errno; - } - - ++ret; - if(iterator(ifname, iarg)) - break; - } - - return ret; - -} - -/* - * Go over all bridges and call iterator function. - * if iterator returns non-zero then stop. - */ -static int br_foreach_bridge(int (*iterator)(const char *, void *), - void *arg) -{ - int ret; - - ret = new_foreach_bridge(iterator, arg); - if (ret <= 0) - ret = old_foreach_bridge(iterator, arg); - - return ret; -} - -/* - * Only used if sysfs is not available. - */ -static int old_foreach_port(const char *brname, - int (*iterator)(const char *br, const char *port, - void *arg), - void *arg) -{ - int i, err, count; - struct ifreq ifr; - char ifname[IFNAMSIZ]; - int ifindices[MAX_PORTS]; - unsigned long args[4] = { BRCTL_GET_PORT_LIST, - (unsigned long)ifindices, MAX_PORTS, 0 }; - - memset(ifindices, 0, sizeof(ifindices)); - strncpy(ifr.ifr_name, brname, IFNAMSIZ); - ifr.ifr_data = (char *) &args; - - err = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr); - if (err < 0) { - dprintf("list ports for bridge:'%s' failed: %s\n", - brname, strerror(errno)); - return -errno; - } - - count = 0; - for (i = 0; i < MAX_PORTS; i++) { - if (!ifindices[i]) - continue; - - if (!if_indextoname(ifindices[i], ifname)) { - dprintf("can't find name for ifindex:%d\n", - ifindices[i]); - continue; - } - - ++count; - if (iterator(brname, ifname, arg)) - break; - } - - return count; -} - -/* - * Iterate over all ports in bridge (using sysfs). - */ -static int br_foreach_port(const char *brname, - int (*iterator)(const char *br, const char *port, void *arg), - void *arg) -{ - int i, count; - struct dirent **namelist; - char path[SYSFS_PATH_MAX]; - - snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/brif", brname); - count = scandir(path, &namelist, 0, alphasort); - if (count < 0) - return old_foreach_port(brname, iterator, arg); - - for (i = 0; i < count; i++) { - if (namelist[i]->d_name[0] == '.' - && (namelist[i]->d_name[1] == '\0' - || (namelist[i]->d_name[1] == '.' - && namelist[i]->d_name[2] == '\0'))) - continue; - - if (iterator(brname, namelist[i]->d_name, arg)) - break; - } - for (i = 0; i < count; i++) - free(namelist[i]); - free(namelist); - - return count; -} |