Promote netsat, and move ifconfig, netcat, and rfkill to new toys/net directory.

1 files changed, 0 insertions, 383 deletions

diff --git a/toys/pending/netstat.c b/toys/pending/netstat.c
deleted file mode 100644
index c7ab62d0..00000000
--- a/toys/pending/netstat.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/* netstat.c - Display Linux networking subsystem.
- *
- * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com>
- * Copyright 2013 Kyungwan Han <asura321@gmail.com>
- *
- * Not in SUSv4.
- *
-USE_NETSTAT(NEWTOY(netstat, "pWrxwutneal", TOYFLAG_BIN))
-config NETSTAT
-  bool "netstat"
-  default n
-  help
-    usage: netstat [-pWrxwutneal]
-
-    Display networking information. Default is netsat -tuwx
-
-    -r  routing table
-    -a  all sockets (not just connected)
-    -l  listening server sockets
-    -t  TCP sockets
-    -u  UDP sockets
-    -w  raw sockets
-    -x  unix sockets
-    -e  extended info
-    -n  don't resolve names
-    -W  wide display
-    -p  PID/Program name of sockets
-*/
-
-#define FOR_netstat
-#include "toys.h"
-#include <net/route.h>
-
-GLOBALS(
-  struct num_cache *inodes;
-  int wpad;
-);
-
-// convert address into text format.
-static void addr2str(int af, void *addr, unsigned port, char *buf, int len,
-  char *proto)
-{
-  int pos, count;
-  struct servent *ser = 0;
-
-  // Convert to numeric address
-  if (!inet_ntop(af, addr, buf, 256)) {
-    *buf = 0;
-
-    return;
-  }
-  buf[len] = 0;
-  pos = strlen(buf);
-
-  // If there's no port number, it's a local :* binding, nothing to look up.
-  if (!port) {
-    if (len-pos<2) pos = len-2;
-    strcpy(buf+pos, ":*");
-
-    return;
-  }
-
-  if (!(toys.optflags & FLAG_n)) {
-    struct addrinfo hints, *result, *rp;
-    char cut[4];
-
-    memset(&hints, 0, sizeof(struct addrinfo));
-    hints.ai_family = af;
-
-    if (!getaddrinfo(buf, NULL, &hints, &result)) {
-      socklen_t sock_len = (af == AF_INET) ? sizeof(struct sockaddr_in)
-        : sizeof(struct sockaddr_in6);
-
-      // We assume that a failing getnameinfo dosn't stomp "buf" here.
-      for (rp = result; rp; rp = rp->ai_next)
-        if (!getnameinfo(rp->ai_addr, sock_len, buf, 256, 0, 0, 0)) break;
-      freeaddrinfo(result);
-      buf[len] = 0;
-      pos = strlen(buf);
-    }
-
-    // Doesn't understand proto "tcp6", so truncate
-    memcpy(cut, proto, 3);
-    cut[3] = 0;
-    ser = getservbyport(htons(port), cut);
-  }
-
-  // Append :service
-  count = snprintf(0, 0, ":%u", port);
-  if (ser) {
-    count = snprintf(0, 0, ":%s", ser->s_name);
-    // sheer paranoia
-    if (count>=len) {
-      count = len-1;
-      ser->s_name[count] = 0;
-    }
-  }
-  if (len-pos<count) pos = len-count;
-  if (ser) sprintf(buf+pos, ":%s", ser->s_name);
-  else sprintf(buf+pos, ":%u", port);
-}
-
-// Display info for tcp/udp/raw
-static void show_ip(char *fname)
-{
-  char *ss_state = "UNKNOWN", buf[12], *s, *label = strrchr(fname, '/')+1;
-  char *state_label[] = {"", "ESTABLISHED", "SYN_SENT", "SYN_RECV", "FIN_WAIT1",
-                         "FIN_WAIT2", "TIME_WAIT", "CLOSE", "CLOSE_WAIT",
-                         "LAST_ACK", "LISTEN", "CLOSING", "UNKNOWN"};
-  struct passwd *pw;
-  FILE *fp = fopen(fname, "r");
-
-  if (!fp) {
-     perror_msg("'%s'", fname);
-     return;
-  }
-
-  if(!fgets(toybuf, sizeof(toybuf), fp)) return; //skip header.
-
-  while (fgets(toybuf, sizeof(toybuf), fp)) {
-    char lip[256], rip[256];
-    union {
-      struct {unsigned u; unsigned char b[4];} i4;
-      struct {struct {unsigned a, b, c, d;} u; unsigned char b[16];} i6;
-    } laddr, raddr;
-    unsigned lport, rport, state, txq, rxq, num, uid, nitems;
-    unsigned long inode;
-
-    // Try ipv6, then try ipv4
-    nitems = sscanf(toybuf,
-      " %d: %8x%8x%8x%8x:%x %8x%8x%8x%8x:%x %x %x:%x %*X:%*X %*X %d %*d %ld",
-      &num, &laddr.i6.u.a, &laddr.i6.u.b, &laddr.i6.u.c,
-      &laddr.i6.u.d, &lport, &raddr.i6.u.a, &raddr.i6.u.b,
-      &raddr.i6.u.c, &raddr.i6.u.d, &rport, &state, &txq, &rxq,
-      &uid, &inode);
-
-    if (nitems!=16) {
-      nitems = sscanf(toybuf,
-        " %d: %x:%x %x:%x %x %x:%x %*X:%*X %*X %d %*d %ld",
-        &num, &laddr.i4.u, &lport, &raddr.i4.u, &rport, &state, &txq,
-        &rxq, &uid, &inode);
-
-      if (nitems!=10) continue;
-      nitems = AF_INET;
-    } else nitems = AF_INET6;
-
-    // Should we display this? (listening or all or TCP/UDP/RAW)
-    if (!((toys.optflags & FLAG_l) && (!rport && (state & 0xA)))
-      && !(toys.optflags & FLAG_a) && !(rport & (0x10 | 0x20 | 0x40)))
-        continue;
-
-    addr2str(nitems, &laddr, lport, lip, TT.wpad, label);
-    addr2str(nitems, &raddr, rport, rip, TT.wpad, label);
-
-    // Display data
-    s = label;
-    if (strstart(&s, "tcp")) {
-      int sz = ARRAY_LEN(state_label);
-      if (!state || state >= sz) state = sz-1;
-      ss_state = state_label[state];
-    } else if (strstart(&s, "udp")) {
-      if (state == 1) ss_state = state_label[state];
-      else if (state == 7) ss_state = "";
-    } else if (strstart(&s, "raw")) sprintf(ss_state = buf, "%u", state);
-
-    if (!(toys.optflags & FLAG_n) && (pw = bufgetpwuid(uid)))
-      snprintf(toybuf, sizeof(toybuf), "%s", pw->pw_name);
-    else snprintf(toybuf, sizeof(toybuf), "%d", uid);
-
-    printf("%-6s%6d%7d ", label, rxq, txq);
-    printf("%*.*s %*.*s ", -TT.wpad, TT.wpad, lip, -TT.wpad, TT.wpad, rip);
-    printf("%-11s", ss_state);
-    if ((toys.optflags & FLAG_e)) printf(" %-10s %-11ld", toybuf, inode);
-    if ((toys.optflags & FLAG_p)) {
-      struct num_cache *nc = get_num_cache(TT.inodes, inode);
-
-      printf(" %s", nc ? nc->data : "-");
-    }
-    xputc('\n');
-  }
-  fclose(fp);
-}
-
-static void show_unix_sockets(void)
-{
-  char *types[] = {"","STREAM","DGRAM","RAW","RDM","SEQPACKET","DCCP","PACKET"},
-       *states[] = {"","LISTENING","CONNECTING","CONNECTED","DISCONNECTING"},
-       *s, *ss;
-  unsigned long refcount, flags, type, state, inode;
-  FILE *fp = xfopen("/proc/net/unix", "r");
-
-  if(!fgets(toybuf, sizeof(toybuf), fp)) return; //skip header.
-
-  while (fgets(toybuf, sizeof(toybuf), fp)) {
-    unsigned offset = 0;
-
-    // count = 6 or 7 (first field ignored, sockets don't always have filenames)
-    if (6<sscanf(toybuf, "%*p: %lX %*X %lX %lX %lX %lu %n",
-      &refcount, &flags, &type, &state, &inode, &offset))
-        continue;
-
-    // Linux exports only SO_ACCEPTCON since 2.3.15pre3 in 1999, but let's
-    // filter in case they add more someday.
-    flags &= 1<<16;
-
-    // Only show unconnected listening sockets with -a
-    if (state==1 && flags && !(toys.optflags&FLAG_a)) continue;
-
-    if (type==10) type = 7; // move SOCK_PACKET into line
-    if (type>ARRAY_LEN(types)) type = 0;
-    if (state>ARRAY_LEN(states) || (state==1 && !flags)) state = 0;
-    sprintf(toybuf, "[ %s]", flags ? "ACC " : "");
-
-    printf("unix  %-6ld %-11s %-10s %-13s %8lu ",
-      refcount, toybuf, types[type], states[state], inode);
-    if (toys.optflags & FLAG_p) {
-      struct num_cache *nc = get_num_cache(TT.inodes, inode);
-
-      printf("%-19.19s", nc ? nc->data : "-");
-    }
-
-    if (offset) {
-      if ((ss = strrchr(s = toybuf+offset, '\n'))) *ss = 0;
-      printf("%s", s);
-    }
-    xputc('\n');
-  }
-
-  fclose(fp);
-}
-
-static int scan_pids(struct dirtree *node)
-{
-  char *s = toybuf+256;
-  struct dirent *entry;
-  DIR *dp;
-  int pid, dirfd;
-
-  if (!node->parent) return DIRTREE_RECURSE;
-  if (!(pid = atol(node->name))) return 0;
-
-  sprintf(toybuf, "/proc/%d/cmdline", pid);
-  if (!(readfile(toybuf, toybuf, 256))) return 0;
-
-  sprintf(s, "%d/fd", pid);
-  if (-1==(dirfd = openat(dirtree_parentfd(node), s, O_RDONLY))) return 0;
-  if (!(dp = fdopendir(dirfd))) {
-    close(dirfd);
-
-    return 0;
-  }
-
-  while ((entry = readdir(dp))) {
-    s = toybuf+256;
-    if (!readlinkat0(dirfd, entry->d_name, s, sizeof(toybuf)-256)) continue;
-    // Can the "[0000]:" happen in a modern kernel?
-    if (strstart(&s, "socket:[") || strstart(&s, "[0000]:")) {
-      long long ll = atoll(s);
-
-      sprintf(s, "%d/%s", pid, getbasename(toybuf));
-      add_num_cache(&TT.inodes, ll, s, strlen(s)+1);
-    }
-  }
-  closedir(dp);
-
-  return 0;
-}
-
-/*
- * extract inet4 route info from /proc/net/route file and display it.
- */
-static void display_routes(void)
-{
-  static const char flagchars[] = "GHRDMDAC";
-  static const unsigned flagarray[] = {
-    RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC, RTF_MODIFIED
-  };
-  unsigned long dest, gate, mask;
-  int flags, ref, use, metric, mss, win, irtt;
-  char *out = toybuf, *flag_val;
-  char iface[64]={0};
-  FILE *fp = xfopen("/proc/net/route", "r");
-
-  if(!fgets(toybuf, sizeof(toybuf), fp)) return; //skip header.
-
-  printf("Kernel IP routing table\n"
-          "Destination\tGateway \tGenmask \tFlags %s Iface\n",
-          !(toys.optflags&FLAG_e) ? "  MSS Window  irtt" : "Metric Ref    Use");
-
-  while (fgets(toybuf, sizeof(toybuf), fp)) {
-     char *destip = 0, *gateip = 0, *maskip = 0;
-
-     if (11 != sscanf(toybuf, "%63s%lx%lx%X%d%d%d%lx%d%d%d", iface, &dest,
-       &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt))
-         break;
-
-    // skip down interfaces.
-    if (!(flags & RTF_UP)) continue;
-
-// TODO /proc/net/ipv6_route
-
-    if (dest) {
-      if (inet_ntop(AF_INET, &dest, out, 16)) destip = out;
-    } else destip = (toys.optflags&FLAG_n) ? "0.0.0.0" : "default";
-    out += 16;
-
-    if (gate) {
-      if (inet_ntop(AF_INET, &gate, out, 16)) gateip = out;
-    } else gateip = (toys.optflags&FLAG_n) ? "0.0.0.0" : "*";
-    out += 16;
-
-// TODO /24
-    //For Mask
-    if (inet_ntop(AF_INET, &mask, out, 16)) maskip = out;
-    else maskip = "?";
-    out += 16;
-
-    //Get flag Values
-    flag_val = out;
-    *out++ = 'U';
-    for (dest = 0; dest < ARRAY_LEN(flagarray); dest++)
-      if (flags&flagarray[dest]) *out++ = flagchars[dest];
-    *out = 0;
-    if (flags & RTF_REJECT) *flag_val = '!';
-
-    printf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val);
-    if (!(toys.optflags & FLAG_e))
-      printf("%5d %-5d %6d %s\n", mss, win, irtt, iface);
-    else printf("%-6d %-2d %7d %s\n", metric, ref, use, iface);
-  }
-
-  fclose(fp);
-}
-
-void netstat_main(void)
-{
-  int tuwx = FLAG_t|FLAG_u|FLAG_w|FLAG_x;
-  char *type = "w/o";
-
-  TT.wpad = (toys.optflags&FLAG_W) ? 51 : 23;
-  if (!(toys.optflags&(FLAG_r|tuwx))) toys.optflags |= tuwx;
-  if (toys.optflags & FLAG_r) display_routes();
-  if (!(toys.optflags&tuwx)) return;
-
-  if (toys.optflags & FLAG_a) type = "established and";
-  else if (toys.optflags & FLAG_l) type = "only";
-
-  if (toys.optflags & FLAG_p) dirtree_read("/proc", scan_pids);
-
-  if (toys.optflags&(FLAG_t|FLAG_u|FLAG_w)) {
-    printf("Active %s (%s servers)\n", "Internet connections", type);
-    printf("Proto Recv-Q Send-Q %*s %*s State      ", -TT.wpad, "Local Address",
-      -TT.wpad, "Foreign Address");
-    if (toys.optflags & FLAG_e) printf(" User       Inode      ");
-    if (toys.optflags & FLAG_p) printf(" PID/Program Name");
-    xputc('\n');
-
-    if (toys.optflags & FLAG_t) {
-      show_ip("/proc/net/tcp");
-      show_ip("/proc/net/tcp6");
-    }
-    if (toys.optflags & FLAG_u) {
-      show_ip("/proc/net/udp");
-      show_ip("/proc/net/udp6");
-    }
-    if (toys.optflags & FLAG_w) {
-      show_ip("/proc/net/raw");
-      show_ip("/proc/net/raw6");
-    }
-  }
-
-  if (toys.optflags & FLAG_x) {
-    printf("Active %s (%s servers)\n", "UNIX domain sockets", type);
-
-    printf("Proto RefCnt Flags\t Type\t    State\t    %s Path\n",
-      (toys.optflags&FLAG_p) ? "PID/Program Name" : "I-Node");
-    show_unix_sockets();
-  }
-
-  if ((toys.optflags & FLAG_p) && CFG_TOYBOX_FREE)
-    llist_traverse(TT.inodes, free);
-  toys.exitval = 0;
-}