auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 428 deletions

diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c
deleted file mode 100644
index 88635d9..0000000
--- a/libnetutils/ifc_utils.c
+++ /dev/null
@@ -1,428 +0,0 @@
-/*
- * Copyright 2008, 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 <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <linux/if.h>
-#include <linux/sockios.h>
-#include <linux/route.h>
-#include <linux/wireless.h>
-
-#ifdef ANDROID
-#define LOG_TAG "NetUtils"
-#include <cutils/log.h>
-#include <cutils/properties.h>
-#else
-#include <stdio.h>
-#include <string.h>
-#define LOGD printf
-#define LOGW printf
-#endif
-
-static int ifc_ctl_sock = -1;
-void printerr(char *fmt, ...);
-
-static const char *ipaddr_to_string(uint32_t addr)
-{
-    struct in_addr in_addr;
-
-    in_addr.s_addr = addr;
-    return inet_ntoa(in_addr);
-}
-
-int ifc_init(void)
-{
-    if (ifc_ctl_sock == -1) {
-        ifc_ctl_sock = socket(AF_INET, SOCK_DGRAM, 0);    
-        if (ifc_ctl_sock < 0) {
-            printerr("socket() failed: %s\n", strerror(errno));
-        }
-    }
-    return ifc_ctl_sock < 0 ? -1 : 0;
-}
-
-void ifc_close(void)
-{
-    if (ifc_ctl_sock != -1) {
-        (void)close(ifc_ctl_sock);
-        ifc_ctl_sock = -1;
-    }
-}
-
-static void ifc_init_ifr(const char *name, struct ifreq *ifr)
-{
-    memset(ifr, 0, sizeof(struct ifreq));
-    strncpy(ifr->ifr_name, name, IFNAMSIZ);
-    ifr->ifr_name[IFNAMSIZ - 1] = 0;
-}
-
-int ifc_get_hwaddr(const char *name, void *ptr)
-{
-    int r;
-    struct ifreq ifr;
-    ifc_init_ifr(name, &ifr);
-
-    r = ioctl(ifc_ctl_sock, SIOCGIFHWADDR, &ifr);
-    if(r < 0) return -1;
-
-    memcpy(ptr, &ifr.ifr_hwaddr.sa_data, 6);
-    return 0;    
-}
-
-int ifc_get_ifindex(const char *name, int *if_indexp)
-{
-    int r;
-    struct ifreq ifr;
-    ifc_init_ifr(name, &ifr);
-
-    r = ioctl(ifc_ctl_sock, SIOCGIFINDEX, &ifr);
-    if(r < 0) return -1;
-
-    *if_indexp = ifr.ifr_ifindex;
-    return 0;    
-}
-
-static int ifc_set_flags(const char *name, unsigned set, unsigned clr)
-{
-    struct ifreq ifr;
-    ifc_init_ifr(name, &ifr);
-
-    if(ioctl(ifc_ctl_sock, SIOCGIFFLAGS, &ifr) < 0) return -1;
-    ifr.ifr_flags = (ifr.ifr_flags & (~clr)) | set;
-    return ioctl(ifc_ctl_sock, SIOCSIFFLAGS, &ifr);
-}
-
-int ifc_up(const char *name)
-{
-    return ifc_set_flags(name, IFF_UP, 0);
-}
-
-int ifc_down(const char *name)
-{
-    return ifc_set_flags(name, 0, IFF_UP);
-}
-
-static void init_sockaddr_in(struct sockaddr *sa, in_addr_t addr)
-{
-    struct sockaddr_in *sin = (struct sockaddr_in *) sa;
-    sin->sin_family = AF_INET;
-    sin->sin_port = 0;
-    sin->sin_addr.s_addr = addr;
-}
-
-int ifc_set_addr(const char *name, in_addr_t addr)
-{
-    struct ifreq ifr;
-
-    ifc_init_ifr(name, &ifr);
-    init_sockaddr_in(&ifr.ifr_addr, addr);
-    
-    return ioctl(ifc_ctl_sock, SIOCSIFADDR, &ifr);
-}
-
-int ifc_set_mask(const char *name, in_addr_t mask)
-{
-    struct ifreq ifr;
-
-    ifc_init_ifr(name, &ifr);
-    init_sockaddr_in(&ifr.ifr_addr, mask);
-    
-    return ioctl(ifc_ctl_sock, SIOCSIFNETMASK, &ifr);
-}
-
-int ifc_get_info(const char *name, in_addr_t *addr, in_addr_t *mask, unsigned *flags)
-{
-    struct ifreq ifr;
-    ifc_init_ifr(name, &ifr);
-
-    if (addr != NULL) {
-        if(ioctl(ifc_ctl_sock, SIOCGIFADDR, &ifr) < 0) {
-            *addr = 0;
-        } else {
-            *addr = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;
-        }
-    }
-    
-    if (mask != NULL) {
-        if(ioctl(ifc_ctl_sock, SIOCGIFNETMASK, &ifr) < 0) {
-            *mask = 0;
-        } else {
-            *mask = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;
-        }
-    }
-
-    if (flags != NULL) {
-        if(ioctl(ifc_ctl_sock, SIOCGIFFLAGS, &ifr) < 0) {
-            *flags = 0;
-        } else {
-            *flags = ifr.ifr_flags;
-        }
-    }
-
-    return 0;
-}
-
-
-int ifc_create_default_route(const char *name, in_addr_t addr)
-{
-    struct rtentry rt;
-
-    memset(&rt, 0, sizeof(rt));
-    
-    rt.rt_dst.sa_family = AF_INET;
-    rt.rt_flags = RTF_UP | RTF_GATEWAY;
-    rt.rt_dev = (void*) name;
-    init_sockaddr_in(&rt.rt_genmask, 0);
-    init_sockaddr_in(&rt.rt_gateway, addr);
-    
-    return ioctl(ifc_ctl_sock, SIOCADDRT, &rt);
-}
-
-int ifc_add_host_route(const char *name, in_addr_t addr)
-{
-    struct rtentry rt;
-    int result;
-
-    memset(&rt, 0, sizeof(rt));
-    
-    rt.rt_dst.sa_family = AF_INET;
-    rt.rt_flags = RTF_UP | RTF_HOST;
-    rt.rt_dev = (void*) name;
-    init_sockaddr_in(&rt.rt_dst, addr);
-    init_sockaddr_in(&rt.rt_genmask, 0);
-    init_sockaddr_in(&rt.rt_gateway, 0);
-    
-    ifc_init();
-    result = ioctl(ifc_ctl_sock, SIOCADDRT, &rt);
-    if (result < 0 && errno == EEXIST) {
-        result = 0;
-    }
-    ifc_close();
-    return result;
-}
-
-int ifc_disable(const char *ifname)
-{
-    int result;
-
-    ifc_init();
-    result = ifc_down(ifname);
-    ifc_set_addr(ifname, 0);
-    ifc_close();
-    return result;
-}
-
-int ifc_reset_connections(const char *ifname)
-{
-#ifdef HAVE_ANDROID_OS
-    int result;
-    in_addr_t myaddr;
-    struct ifreq ifr;
-
-    ifc_init();
-    ifc_get_info(ifname, &myaddr, NULL, NULL);
-    ifc_init_ifr(ifname, &ifr);
-    init_sockaddr_in(&ifr.ifr_addr, myaddr);
-    result = ioctl(ifc_ctl_sock, SIOCKILLADDR,  &ifr);
-    ifc_close();
-    
-    return result;
-#else
-    return 0;
-#endif
-}
-
-/*
- * Remove the routes associated with the named interface.
- */
-int ifc_remove_host_routes(const char *name)
-{
-    char ifname[64];
-    in_addr_t dest, gway, mask;
-    int flags, refcnt, use, metric, mtu, win, irtt;
-    struct rtentry rt;
-    FILE *fp;
-    struct in_addr addr;
-
-    fp = fopen("/proc/net/route", "r");
-    if (fp == NULL)
-        return -1;
-    /* Skip the header line */
-    if (fscanf(fp, "%*[^\n]\n") < 0) {
-        fclose(fp);
-        return -1;
-    }
-    ifc_init();
-    for (;;) {
-        int nread = fscanf(fp, "%63s%X%X%X%d%d%d%X%d%d%d\n",
-                           ifname, &dest, &gway, &flags, &refcnt, &use, &metric, &mask,
-                           &mtu, &win, &irtt);
-        if (nread != 11) {
-            break;
-        }
-        if ((flags & (RTF_UP|RTF_HOST)) != (RTF_UP|RTF_HOST)
-                || strcmp(ifname, name) != 0) {
-            continue;
-        }
-        memset(&rt, 0, sizeof(rt));
-        rt.rt_dev = (void *)name;
-        init_sockaddr_in(&rt.rt_dst, dest);
-        init_sockaddr_in(&rt.rt_gateway, gway);
-        init_sockaddr_in(&rt.rt_genmask, mask);
-        addr.s_addr = dest;
-        if (ioctl(ifc_ctl_sock, SIOCDELRT, &rt) < 0) {
-            LOGD("failed to remove route for %s to %s: %s",
-                 ifname, inet_ntoa(addr), strerror(errno));
-        }
-    }
-    fclose(fp);
-    ifc_close();
-    return 0;
-}
-
-/*
- * Return the address of the default gateway
- *
- * TODO: factor out common code from this and remove_host_routes()
- * so that we only scan /proc/net/route in one place.
- */
-int ifc_get_default_route(const char *ifname)
-{
-    char name[64];
-    in_addr_t dest, gway, mask;
-    int flags, refcnt, use, metric, mtu, win, irtt;
-    int result;
-    FILE *fp;
-
-    fp = fopen("/proc/net/route", "r");
-    if (fp == NULL)
-        return 0;
-    /* Skip the header line */
-    if (fscanf(fp, "%*[^\n]\n") < 0) {
-        fclose(fp);
-        return 0;
-    }
-    ifc_init();
-    result = 0;
-    for (;;) {
-        int nread = fscanf(fp, "%63s%X%X%X%d%d%d%X%d%d%d\n",
-                           name, &dest, &gway, &flags, &refcnt, &use, &metric, &mask,
-                           &mtu, &win, &irtt);
-        if (nread != 11) {
-            break;
-        }
-        if ((flags & (RTF_UP|RTF_GATEWAY)) == (RTF_UP|RTF_GATEWAY)
-                && dest == 0
-                && strcmp(ifname, name) == 0) {
-            result = gway;
-            break;
-        }
-    }
-    fclose(fp);
-    ifc_close();
-    return result;
-}
-
-/*
- * Sets the specified gateway as the default route for the named interface.
- */
-int ifc_set_default_route(const char *ifname, in_addr_t gateway)
-{
-    struct in_addr addr;
-    int result;
-
-    ifc_init();
-    addr.s_addr = gateway;
-    if ((result = ifc_create_default_route(ifname, gateway)) < 0) {
-        LOGD("failed to add %s as default route for %s: %s",
-             inet_ntoa(addr), ifname, strerror(errno));
-    }
-    ifc_close();
-    return result;
-}
-
-/*
- * Removes the default route for the named interface.
- */
-int ifc_remove_default_route(const char *ifname)
-{
-    struct rtentry rt;
-    int result;
-
-    ifc_init();
-    memset(&rt, 0, sizeof(rt));
-    rt.rt_dev = (void *)ifname;
-    rt.rt_flags = RTF_UP|RTF_GATEWAY;
-    init_sockaddr_in(&rt.rt_dst, 0);
-    if ((result = ioctl(ifc_ctl_sock, SIOCDELRT, &rt)) < 0) {
-        LOGD("failed to remove default route for %s: %s", ifname, strerror(errno));
-    }
-    ifc_close();
-    return result;
-}
-
-int
-ifc_configure(const char *ifname,
-        in_addr_t address,
-        in_addr_t netmask,
-        in_addr_t gateway,
-        in_addr_t dns1,
-        in_addr_t dns2) {
-
-    char dns_prop_name[PROPERTY_KEY_MAX];
-
-    ifc_init();
-
-    if (ifc_up(ifname)) {
-        printerr("failed to turn on interface %s: %s\n", ifname, strerror(errno));
-        ifc_close();
-        return -1;
-    }
-    if (ifc_set_addr(ifname, address)) {
-        printerr("failed to set ipaddr %s: %s\n", ipaddr_to_string(address), strerror(errno));
-        ifc_close();
-        return -1;
-    }
-    if (ifc_set_mask(ifname, netmask)) {
-        printerr("failed to set netmask %s: %s\n", ipaddr_to_string(netmask), strerror(errno));
-        ifc_close();
-        return -1;
-    }
-    if (ifc_create_default_route(ifname, gateway)) {
-        printerr("failed to set default route %s: %s\n", ipaddr_to_string(gateway), strerror(errno));
-        ifc_close();
-        return -1;
-    }
-
-    ifc_close();
-
-    snprintf(dns_prop_name, sizeof(dns_prop_name), "dhcp.%s.dns1", ifname);
-    property_set(dns_prop_name, dns1 ? ipaddr_to_string(dns1) : "");
-    snprintf(dns_prop_name, sizeof(dns_prop_name), "dhcp.%s.dns2", ifname);
-    property_set(dns_prop_name, dns2 ? ipaddr_to_string(dns2) : "");
-
-    return 0;
-}