Merge "Lose netstat to toybox."
This commit is contained in:
Elliott Hughes
Gerrit Code Review
commit
dbe4975791
2 changed files with 0 additions and 155 deletions
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@ -87,7 +87,6 @@ OUR_TOOLS := \
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lsof \
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lsof \
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mount \
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mount \
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nandread \
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nandread \
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netstat \
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newfs_msdos \
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newfs_msdos \
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notify \
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notify \
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ps \
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ps \
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@ -1,154 +0,0 @@
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/*
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* Copyright (c) 2008, The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google, Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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typedef union iaddr iaddr;
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typedef union iaddr6 iaddr6;
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union iaddr {
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unsigned u;
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unsigned char b[4];
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};
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union iaddr6 {
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struct {
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unsigned a;
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unsigned b;
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unsigned c;
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unsigned d;
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} u;
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unsigned char b[16];
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};
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static const char *state2str(unsigned state)
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{
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switch(state){
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case 0x1: return "ESTABLISHED";
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case 0x2: return "SYN_SENT";
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case 0x3: return "SYN_RECV";
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case 0x4: return "FIN_WAIT1";
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case 0x5: return "FIN_WAIT2";
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case 0x6: return "TIME_WAIT";
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case 0x7: return "CLOSE";
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case 0x8: return "CLOSE_WAIT";
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case 0x9: return "LAST_ACK";
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case 0xA: return "LISTEN";
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case 0xB: return "CLOSING";
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default: return "UNKNOWN";
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}
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}
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/* addr + : + port + \0 */
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#define ADDR_LEN INET6_ADDRSTRLEN + 1 + 5 + 1
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static void addr2str(int af, const void *addr, unsigned port, char *buf)
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{
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if (inet_ntop(af, addr, buf, ADDR_LEN) == NULL) {
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*buf = '\0';
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return;
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}
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size_t len = strlen(buf);
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if (port) {
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snprintf(buf+len, ADDR_LEN-len, ":%d", port);
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} else {
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strncat(buf+len, ":*", ADDR_LEN-len-1);
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}
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}
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static void ipv4(const char *filename, const char *label) {
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FILE *fp = fopen(filename, "r");
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if (fp == NULL) {
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return;
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}
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char buf[BUFSIZ];
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fgets(buf, BUFSIZ, fp);
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while (fgets(buf, BUFSIZ, fp)){
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char lip[ADDR_LEN];
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char rip[ADDR_LEN];
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iaddr laddr, raddr;
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unsigned lport, rport, state, txq, rxq, num;
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int n = sscanf(buf, " %d: %x:%x %x:%x %x %x:%x",
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&num, &laddr.u, &lport, &raddr.u, &rport,
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&state, &txq, &rxq);
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if (n == 8) {
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addr2str(AF_INET, &laddr, lport, lip);
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addr2str(AF_INET, &raddr, rport, rip);
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printf("%4s %6d %6d %-22s %-22s %s\n",
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label, rxq, txq, lip, rip,
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state2str(state));
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}
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}
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fclose(fp);
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}
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static void ipv6(const char *filename, const char *label) {
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FILE *fp = fopen(filename, "r");
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if (fp == NULL) {
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return;
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}
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char buf[BUFSIZ];
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fgets(buf, BUFSIZ, fp);
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while (fgets(buf, BUFSIZ, fp)){
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char lip[ADDR_LEN];
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char rip[ADDR_LEN];
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iaddr6 laddr6, raddr6;
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unsigned lport, rport, state, txq, rxq, num;
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int n = sscanf(buf, " %d: %8x%8x%8x%8x:%x %8x%8x%8x%8x:%x %x %x:%x",
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&num, &laddr6.u.a, &laddr6.u.b, &laddr6.u.c, &laddr6.u.d, &lport,
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&raddr6.u.a, &raddr6.u.b, &raddr6.u.c, &raddr6.u.d, &rport,
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&state, &txq, &rxq);
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if (n == 14) {
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addr2str(AF_INET6, &laddr6, lport, lip);
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addr2str(AF_INET6, &raddr6, rport, rip);
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printf("%4s %6d %6d %-22s %-22s %s\n",
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label, rxq, txq, lip, rip,
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state2str(state));
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}
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}
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fclose(fp);
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}
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int netstat_main(int argc, char *argv[])
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{
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printf("Proto Recv-Q Send-Q Local Address Foreign Address State\n");
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ipv4("/proc/net/tcp", "tcp");
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ipv4("/proc/net/udp", "udp");
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ipv6("/proc/net/tcp6", "tcp6");
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ipv6("/proc/net/udp6", "udp6");
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return 0;
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}
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