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5e3934b15a
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. 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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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 <sys/param.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <arpa/inet.h>
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#include <ifaddrs.h>
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#include <libutil.h>
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#include <netdb.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <err.h>
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#include <libxo/xo.h>
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#include "netstat.h"
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#include "common.h"
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const char *
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fmt_flags(const struct bits *p, int f)
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{
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static char name[33];
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char *flags;
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for (flags = name; p->b_mask; p++)
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if (p->b_mask & f)
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*flags++ = p->b_val;
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*flags = '\0';
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return (name);
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}
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void
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print_flags_generic(int flags, const struct bits *pbits, const char *format,
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const char *tag_name)
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{
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const struct bits *p;
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char tag_fmt[64];
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xo_emit(format, fmt_flags(pbits, flags));
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snprintf(tag_fmt, sizeof(tag_fmt), "{le:%s/%%s}", tag_name);
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xo_open_list(tag_name);
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for (p = pbits; p->b_mask; p++)
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if (p->b_mask & flags)
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xo_emit(tag_fmt, p->b_name);
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xo_close_list(tag_name);
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}
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struct ifmap_entry *
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prepare_ifmap(size_t *pifmap_size)
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{
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int ifindex = 0, size;
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struct ifaddrs *ifap, *ifa;
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struct sockaddr_dl *sdl;
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struct ifmap_entry *ifmap = NULL;
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int ifmap_size = 0;
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/*
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* Retrieve interface list at first
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* since we need #ifindex -> if_xname match
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*/
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if (getifaddrs(&ifap) != 0)
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err(EX_OSERR, "getifaddrs");
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for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
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if (ifa->ifa_addr->sa_family != AF_LINK)
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continue;
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sdl = (struct sockaddr_dl *)ifa->ifa_addr;
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ifindex = sdl->sdl_index;
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if (ifindex >= ifmap_size) {
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size = roundup2(ifindex + 1, 32) *
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sizeof(struct ifmap_entry);
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if ((ifmap = realloc(ifmap, size)) == NULL)
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errx(2, "realloc(%d) failed", size);
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memset(&ifmap[ifmap_size], 0,
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size - ifmap_size *
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sizeof(struct ifmap_entry));
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ifmap_size = roundup2(ifindex + 1, 32);
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}
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if (*ifmap[ifindex].ifname != '\0')
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continue;
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strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
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}
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freeifaddrs(ifap);
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*pifmap_size = ifmap_size;
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return (ifmap);
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}
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